A horizontal bar

Abstract

The present invention discloses a horizontal bar, belonging to the technical field of fitness equipment. The horizontal bar of the present invention includes end supports, a support rod, and a smart terminal. The end supports are arranged at both ends of the support rod; the smart terminal is fixedly or detachably connected to the horizontal bar; an activity seat and a pressure switch are arranged in the accommodation space of at least one of the end supports. The activity seat can reciprocate between the outer shell and the base. The activity seat includes an installation side and a pressing side. The pressure switch is installed between the pressing side of the activity seat and the base. The installation side is connected to the support rod; the pressure switch includes a first pole and a second pole. Positive and negative electrical contacts are arranged on the smart terminal. The first pole and the second pole are respectively connected to the positive and negative electrical contacts through conductive paths. The main use of the present invention is that the pressure switch is electrically connected to the smart terminal. By the conduction of the pressure switch, the installation and locking state of the horizontal bar is judged; and the installation and locking information is transmitted to the smart terminal for display.

Description

Technical Field

[0001] The present invention relates to the technical field of fitness equipment, and more particularly, to a horizontal bar. Background Art

[0002] With the improvement of modern people's living standards, people increasingly like fitness, such as taking walks, dancing, jogging or directly going to the gym for exercise. However, some equipment for anaerobic strength exercises are inconvenient to store at home due to their large size, such as horizontal bars. A horizontal bar is a device for training upper limb strength. It is a simple training equipment, including vertical bars for support at both ends and a crossbar erected between the two vertical bars. When in use, the trainer grabs the crossbar and drives the body to move upward by pulling with both hands, using their own body weight to conduct strength training on both hands, so as to achieve the purpose of exercising upper limb strength.

[0003] Traditional horizontal bars generally have a large floor area and require stable support for the crossbar, so they are usually set outdoors. The crossbar is welded to the vertical bars at both ends, and the vertical bars at both ends are buried in the ground, so that the horizontal bar can be stably installed on the ground to prevent users from falling and getting injured due to the instability of the horizontal bar. With the accelerating pace of life, today's young people generally cannot often go outdoors for exercise due to work and other reasons, and outdoor horizontal bars cannot be used frequently due to weather reasons. For this reason, a horizontal bar that can be used indoors has emerged as the times require.

[0004] Indoor horizontal bars are quite different from traditional horizontal bars. Due to the limitation of indoor space size, the size of indoor horizontal bars is relatively smaller than that of outdoor horizontal bars. At the same time, the vertical bars for support at both ends are cancelled and replaced with end support members. An indoor horizontal bar generally includes a support rod and fixed support members arranged at both ends of the support rod. When the indoor horizontal bar is in use, the horizontal bar is placed between two walls, and the fixed support members tightly support on both side walls, using friction to ensure that the horizontal bar does not fall. At the same time, in order to adapt to the use scenarios of different indoor spaces, the length of the support rod of the indoor horizontal bar is adjustable.

[0005] However, there are still some problems with indoor horizontal bars. First of all, there is the issue of whether the installation is in place. Since the indoor horizontal bar uses friction to support the bar, if the squeezing force of the fixed support on the wall is insufficient, there is a risk that the user may fall when using the horizontal bar. Therefore, it is necessary to detect whether the end support is installed in place. Currently, there are the following several ways to detect and prompt the user whether the installation is in place: 1. Use a mechanical pointer to indicate; in this kind of solution, generally a window is opened at the end support, an indicating component is arranged inside the window, and at the same time a spring is connected to the indicating component. When the installation is in place, the spring is compressed to a certain position, and the indicating component can be observed through the window, that is, it is considered that the installation is in place (such as the patent document with the application number: 2020211609974, the invention name: Top extension pressure indicating device for horizontal bar, and the application date: 2020.06.21); 2. Use a pressure sensor to detect the pressure received at the end to judge whether the installation is in place; that is, a pressure sensor is arranged inside the end support, and the pressure sensor is arranged above the end of the support rod. When the installation is in place, the support rod generates pressure on the pressure sensor, and the pressure sensor gives a prompt (such as the patent document with the application number: 2021210547867, the invention name: A horizontal bar on the door, and the application date: 2021.05.18). However, there are certain problems with the existing centralized methods. For the first method, the mechanical indicating sign is prone to rebound when the user uses the horizontal bar, and it cannot display the extrusion situation in real time. When it becomes loose, it cannot give a warning in time; for the second method, first of all, the pressure sensor is a precision electrical component, and it is inconvenient to install it inside the end support. Secondly, the pressure sensor is arranged on the upper part of the support rod. When in use, the support rod is pulled down and will not generate pressure on the pressure sensor, so it cannot monitor in real time whether the rod is always installed in place. Finally, the pressure sensor is expensive, resulting in an increase in the cost of the horizontal bar.

[0006] Using a horizontal bar for exercise mostly involves doing pull - ups. Usually, during the exercise, the number of pull - ups is used as an exercise indicator, so it is necessary to count the number of pull - ups. If manual counting is used, it is easy for the counting process to be interrupted and for counting errors to occur. To facilitate counting, some current horizontal bars are equipped with counters to help exercisers with statistics. For example, in Chinese Patent CN216061833U, a counter for a horizontal bar is disclosed, which includes a housing. A display screen and control buttons are provided on the surface of the housing. A through - hole is provided in the housing along its length direction, and the horizontal bar passes through the through - hole and is fixedly connected to the counter. A controller and a counting sensor are provided inside the housing, and the counting sensor and the display screen are electrically connected to the controller. In this solution, the counter is installed on the horizontal bar and senses the pull - up actions of the user through the principle of infrared induction. In order for the infrared sensor to sense the human body, the counter needs to face the human body at a certain angle. However, the counter in this solution is fixedly connected to the horizontal bar and cannot be adjusted in angle after being installed on the horizontal bar, which easily results in the counter not sensing the human body during exercise, missing the count of the number of times, and making the counting inaccurate.

[0007] Another example is Chinese Patent CN214860842U, which discloses a counter for a fitness horizontal bar, including a bracket that can be detachably connected to the horizontal bar. The bracket is a C - shaped elastic buckle or a U - shaped elastic buckle. A battery, a counting sensor of the photoelectric type, and a display screen are installed on the bracket. The battery, the counting sensor, and the display screen are electrically connected. In the state of a person doing a pull - up, the counting sensor faces the human body. The bracket includes elastic edges on both sides for providing clamping force, and an opening is provided on the bracket to allow the rod body of the horizontal bar to enter the elastic edges. This counter can rotate on the horizontal bar to adjust the angle of the counter facing the human body. However, the bracket of this counter is on the horizontal bar, and the entire inner side of the bracket contacts the round tube of the horizontal bar. This contact is a surface contact, with a large frictional force, which causes difficulty in rotating the counter. Sometimes, it may even get stuck, making it difficult to adjust the angle of the counter, and it is not convenient for information observation. In addition, since the elastic edges of the bracket extend to the edges of the entire length direction of the bracket, when connecting to the horizontal bar, a relatively large force is required to snap the bracket onto the horizontal bar, and the installation is not convenient.

[0008] In order to provide a horizontal bar that can ensure proper installation and prevent the horizontal bar from falling, a component for detecting pressure is provided at the end, and the electrical component can effectively monitor it. In order for the user to intuitively observe whether the installation is in place, the electrical signal of the detection component needs to be transmitted to the intelligent terminal. The intelligent terminal can display the counting status and can also detect the installation or use status of the horizontal bar. For this purpose, wires are generally selected for transmission. However, using wires has certain problems. Too many wires are prone to tangling, which is not safe and the product is not aesthetically pleasing. Therefore, the horizontal bar needs to be improved. Summary of the Invention

[0009] 1. Technical Problem to be Solved by the Invention

[0010] In view of the problems in the prior art, in order to solve the problems that after the horizontal bar is installed, it is impossible to judge whether the end support member is installed and locked in place, and the problem of information transmission of the installation and locking of the end support member, the present invention provides a horizontal bar. A pressure switch is provided inside the end support member, and the pressure switch is electrically connected to the intelligent terminal. By the conduction of the pressure switch, the installation and locking state of the horizontal bar is judged; and the installation and locking information is transmitted to the intelligent terminal for display.

[0011] 2. Technical Solution

[0012] To achieve the above object, the technical solution provided by the present invention is as follows:

[0013] A horizontal bar, comprising end support members, support rods and an intelligent terminal. The end support members are arranged at both ends of the support rods, and both ends of the support rods are telescopic; the intelligent terminal is fixedly or detachably connected to the horizontal bar; the end support member includes a housing and a base, which are connected together to form an accommodation space inside; at least one of the accommodation spaces of the end support member is provided with a movable seat and a pressure switch. The movable seat can reciprocate between the housing and the base. The movable seat includes an installation side and a pressing side. The pressure switch is installed between the pressing side of the movable seat and the base. The installation side is connected to the support rod; the pressure switch includes a first pole and a second pole. Positive and negative electrical contacts are provided on the intelligent terminal. The first pole and the second pole are respectively connected to the positive and negative electrical contacts through conductive paths; when the horizontal bar is not installed and used, the support rod does not press the pressure switch through the movable seat, and the first pole and the second pole of the pressure switch are not conducted, and there is no information transmission between the pressure switch and the intelligent terminal; when the horizontal bar is installed and used, both ends of the support rod extend and press the movable seat, and the movable seat moves towards the pressure switch and presses the pressure switch, so that the first pole and the second pole are conducted, and the conduction information of the pressure switch is transmitted to the intelligent terminal.

[0014] Further, the first pole and the second pole of the pressure switch are arranged at a certain distance from each other; an insulating member is arranged between the first pole and the second pole to separate and insulate the two poles.

[0015] Further, the first pole and the second pole are respectively located on both sides of the insulating member.

[0016] Further, the insulating member is a spacer, and a guide rod groove is provided on the spacer, and a guide rod is installed in the guide rod groove.

[0017] Furthermore, the first pole and the second pole are deformable disc springs; when the horizontal bar is not installed and used, the disc spring is not squeezed and deformed, and the guide rod does not connect the first pole and the second pole; when the horizontal bar is installed and used, the disc spring is squeezed and deformed, and the guide rod connects the first pole and the second pole, allowing conduction between the first pole and the second pole.

[0018] Furthermore, the first pole and the second pole are non-deformable conductors; the insulating member is a compressible member; protrusions are provided on the first pole and the second pole, and the two protrusions are arranged opposite to each other; when the horizontal bar is not installed and used, the compressible member is not compressed, and the protrusions of the first pole and the second pole are not in contact; when the horizontal bar is installed and used, the compressible member is compressed, and the protrusions of the first pole and the second pole are in contact, so that the first pole and the second pole are conductive.

[0019] Furthermore, the first pole and the second pole are arranged on the insulating member and extend toward the same side of the insulating member.

[0020] Furthermore, the pressure switch also includes a support seat, and a conductor is arranged on one side of the support seat close to the insulating member; a compressible member is arranged between the insulating member and the support seat, and when the horizontal bar is not installed and used, the compressible member is not compressed, and the first pole and the second pole are not in contact with the conductor; when the horizontal bar is installed and used, the compressible member is compressed, and the first pole and the second pole are in contact with the conductor at the same time, so that conduction is achieved between the first pole and the second pole.

[0021] Furthermore, the support rod includes a main pipe, a screw rod is inserted into the main pipe, both ends of the main pipe are connected to end pipes respectively, the end pipes are sleeved inside the main pipe and on the screw rod, and the end pipes can move along the axial direction of the main pipe driven by the main pipe and the screw rod.

[0022] Furthermore, the end tube and the lead screw are both insulated from the main tube; one pole of the pressure switch is connected to the end tube, the end tube is connected to the lead screw to form a first pole electrical path, and the other pole of the pressure switch is connected to the main tube to form a second pole electrical path.

[0023] Furthermore, at least two conductive slip rings surrounding the main pipe are arranged outside the main pipe, and inner surfaces of the conductive slip rings are electrically connected to the first pole electrical path and the second pole electrical path respectively.

[0024] Furthermore, the smart terminal is arc-shaped with a connection opening on one side, and the smart terminal is clamped on the main pipe of the support rod through the connection opening. The positive and negative electrical contacts of the smart terminal are in contact and connected with the outer surface of the conductive slip ring, thereby being electrically connected with the first pole electrical path and the second pole electrical path.

[0025] Furthermore, a weight and a counting sensor are arranged in the smart terminal. Under the action of the weight, the smart terminal can rotate around a certain center so that the counting sensor always faces the exerciser.

[0026] Adopting the technical solution provided by the present invention, compared with the existing well-known technologies, it has the following beneficial effects: The end support members are connected to both ends of the support rod, and the intelligent terminal is arranged on the support rod; a pressure switch is arranged inside the end support member, and both ends of the support rod can telescopically squeeze the pressure switch. The pressure switch converts the pressure signal of the installation and locking of the end support member into an electrical signal, and transmits the electrical signal to the intelligent terminal through the conductive path. The pressure switch can detect the installation state of the horizontal bar, transmit the pressure switch information to the intelligent terminal for display, and moreover, the intelligent terminal automatically aligns itself by arranging a heavy object at the lower part, so that the display interface always faces the exerciser, which is convenient for observation. Using the support rod as the conductive path, the support rod can replace the wire harness to avoid the wire harness wiring problem and prevent the wire harness from being wound together and causing a short circuit phenomenon. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Schematic diagram of the overall mechanism of Embodiment 1 of the present invention;

[0028] Figure 2 Schematic diagram of the structure of the end support member of Embodiment 1 of the present invention;

[0029] Figure 3 Schematic diagram of the structure of the end support member of Embodiment 1 of the present invention from another perspective;

[0030] Figure 4 Exploded view of the end support member of Embodiment 1 of the present invention;

[0031] Figure 5 Schematic diagram of the structure of the outer shell in the end support member of Embodiment 1 of the present invention;

[0032] Figure 6 Schematic diagram of the structure of the outer shell in the end support member of Embodiment 1 of the present invention from another perspective;

[0033] Figure 7 Rear view of the outer shell in the end support member of Embodiment 1 of the present invention;

[0034] Figure 8 Schematic diagram of the structure of the movable seat in the end support member of Embodiment 1 of the present invention;

[0035] Figure 9 Schematic diagram of the structure of the movable seat in the end support member of Embodiment 1 of the present invention from another perspective;

[0036] Figure 10 Side view of the movable seat in the end support member of Embodiment 1 of the present invention;

[0037] Figure 11 Schematic diagram of the structure of the pressure switch in the end support member of Embodiment 1 of the present invention;

[0038] Figure 12Schematic diagram of the spacer in the end support of Embodiment 1 of the present invention;

[0039] Figure 13 Side view of the spacer in the end support of Embodiment 1 of the present invention;

[0040] Figure 14 Schematic diagram of the pressure switch seat in the end support of Embodiment 1 of the present invention;

[0041] Figure 15 Schematic diagram of the base in the end support of Embodiment 1 of the present invention;

[0042] Figure 16 Schematic diagram of the base in another perspective in the end support of Embodiment 1 of the present invention;

[0043] Figure 17 Schematic diagram of the friction member in the end support of Embodiment 1 of the present invention;

[0044] Figure 18 Schematic diagram of the connection structure between the support rod and the pressure switch in Embodiment 1 of the present invention;

[0045] Figure 19 Cross-sectional view of the connection between the support rod and the end support in Embodiment 1 of the present invention;

[0046] Figure 20 Schematic diagram of the ferrule in Embodiment 1 of the present invention;

[0047] Figure 21 Schematic diagram of the end pipe nut in Embodiment 1 of the present invention;

[0048] Figure 22 Installation diagram of the contact piece in Embodiment 1 of the present invention;

[0049] Figure 23 Installation diagram of the contact piece in another perspective in Embodiment 1 of the present invention;

[0050] Figure 24 Schematic diagram of the intelligent terminal connected to the horizontal bar in Embodiment 1 of the present invention;

[0051] Figure 25 Schematic diagram of the overall structure of the adapter in Embodiment 1 of the present invention;

[0052] Figure 26 Cross-sectional view of the horizontal bar extending along the direction of the pin 206 in Embodiment 1 of the present invention;

[0053] Figure 27 For Embodiment 1 of the present invention Figure 26 Enlarged view at B;

[0054] Figure 28 Partial sectional view in the direction of the vertical pin 206 in Embodiment 1 of the present invention Figure 26 ;

[0055] Figure 29 Schematic diagram of the structure of the intelligent terminal housing in Embodiment 1 of the present invention

[0056] Figure 30 Schematic diagram of the internal structure of the intelligent terminal housing in Embodiment 1 of the present invention

[0057] Figure 31 Schematic diagram of another angle of the internal structure of the intelligent terminal housing in Embodiment 1 of the present invention

[0058] Figure 32 Schematic diagram of another angle of the structure of the intelligent terminal housing in Embodiment 1 of the present invention

[0059] Figure 33 Left view of the intelligent terminal housing in Embodiment 1 of the present invention

[0060] Figure 34 Schematic diagram of the internal structure of the intelligent terminal in Embodiment 1 of the present invention

[0061] Figure 35 Schematic diagram of the structure of the pressure switch in Embodiment 2 of the present invention

[0062] Figure 36 Schematic diagram of the structure of the pressure switch with the spring removed in Embodiment 2 of the present invention

[0063] Figure 37 Schematic diagram of the structure of the pressure switch in Embodiment 3 of the present invention

[0064] Figure 38 Schematic diagram of the structure of the elastomer of the pressure switch in Embodiment 3 of the present invention

[0065] Explanation of the reference numerals in the figure:

[0066] 1. End support member; 11. Outer shell; 111. Cladding shell; 112. Outer shell body; 113. Outer shell transition surface; 114. Outer shell edge; 115. Outer shell boss; 116. Outer shell through hole; 117. Outer shell inner ring; 118. Inner ring notch; 119. Outer shell stiffening rib;

[0067] 12. Movable seat; 121. Movable seat body; 122. Connecting platform; 123. Mounting edge; 124. Connecting ring; 125. First electrical through hole; 126. Fixed groove; 127. Movable seat through hole; 128. Second electrical through hole; 129. Mounting hole; 1210. Fixed edge; 1211. Movable seat boss; 1212. Accommodating groove; 1213. Mounting platform; 1214. Movable seat wire groove;

[0068] 13. Connecting piece; 14. Pressure switch; 141. First pole; 1411. First pole contact; 1413. First pole body; 1414. First pole wire rod; 1415. Movable seat mounting groove; 1416. Second pole guide rod; 142. Spacer; 1421. Spacer through hole; 1422. Guide rod groove; 143. Second pole; 1431. Second pole contact; 1433. Second pole body; 144. Guide rod; 145. Switch spring; 146. Elastic body; 147. Insulating seat; 1471. Insulating base; 1472. Insulating convex column; 148. Support seat; 1481. Conductive body;

[0069] 15. Pressure switch seat; 151. Seat plate; 152. Abutting boss; 153. Pressure switch seat through hole;

[0070] 16. Base; 161. Base body; 162. Base counterbore; 163. Base transition surface; 164. Base through hole; 165. Limiting plate; 166. Connecting groove;

[0071] 17. Friction part; 171. Friction part body; 172. Friction convex strip; 173. Mounting convex point;

[0072] 2. Support rod; 21. Insulating sleeve; 22. Fixed sleeve; 23. Main pipe; 231. Fixed convex strip; 24. Ferrule; 241. Ferrule ring; 242. Ferrule groove; 243. Ferrule inner ring; 244. Ferrule convex rib; 245. Inner card slot;

[0073] 25. End pipe; 251. End pipe card slot; 252. End pipe fixing hole; 26. Lead screw; 27. End pipe nut; 271. Nut limiting ring plate; 272. Nut outer ring; 273. Nut inner ring; 274. Yielding notch; 275. Nut wire through slot;

[0074] 28. Contact piece mounting sleeve; 281. Mounting sleeve body; 282. Mounting sleeve convex rib; 283. Mounting convex plate; 284. Mounting sleeve limiting ring plate; 285. Contact piece mounting hole; 29. Contact piece; 291. Contact piece mounting part; 292. Contact point;

[0075] 2030. Sunk groove; 204. Connecting block; 2041. First sunk hole; 2042. Second sunk hole; 205. Adapter seat; 2050. Boss; 2051. First through hole; 206. Pin; 210. First slip ring; 211. Second slip ring; 212. Third slip ring; 213. First spring; 214. Second spring; 215. Insulating sleeve ring; 216. Probe; 217. Limiting boss;

[0076] 30. Smart terminal;

[0077] 31. Main housing; 310. Battery compartment; 311. Counterweight compartment; 3110. Rib plate; 312. Fixed frame; 3120. Flat platform; 313. Connecting column; 3130. Second connecting column; 314. Left side plate; 3140. Data interface mounting hole; 315. Right side plate; 3150. Button hole; 3151. Edge end face; 3152. Elastic clip; 3153. Spacing; 3154. Convex point; 316. Contact position; 3160. Contact hole; 317. Upper side plate; 3170. Cover plate connection hole; 3171. Reinforcing rib plate; 318. Lower side plate; 319. Substrate; 320. Upper side edge; 321. Lower side edge; 322. Right side edge; 323. Left side edge;

[0078] 32. Cover plate; 324. Counting display window; 325. Infrared port; 326. Status indication port;

[0079] 331. Data interface; 332. Circuit module; 333. Counting sensor; 334. Button; 335. Counterweight module; 336. Battery accommodation module; 337. Conductive sheet. Detailed implementation mode

[0080] To further understand the content of the present invention, the present invention will be described in detail in combination with the drawings and embodiments.

[0081] Next, the present invention will be described in detail with reference to the drawings. What is described here is only the preferred implementation mode of the present invention. Those skilled in the art can think of other ways to implement the present invention based on the preferred implementation mode, and other ways also fall within the scope of the present invention.

[0082] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "horizontal", "vertical", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0083] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0084] Embodiment 1

[0085] Combined with Figures 1 - 23 In this embodiment, a horizontal bar is provided, which includes end supports 1, support rods 2, and a smart terminal 30. The end supports 1 are arranged at both ends of the support rods 2, and both ends of the support rods 2 are telescopic; the smart terminal 30 is fixedly or detachably connected to the horizontal bar; the end support 1 includes a housing 11 and a base 16, which are connected together to form an accommodation space inside. An active seat 12 and a pressure switch 14 are arranged in the accommodation space of at least one end support 1. The active seat 12 can reciprocate between the housing 11 and the base 16. The active seat 12 includes an installation side and a pressing side. The pressure switch 14 is installed between the pressing side of the active seat 12 and the base 16, and the installation side is connected to the support rod 2. The pressure switch 14 includes a first pole 141 and a second pole 143. Positive and negative electrical contacts are arranged on the smart terminal 30. The first pole 141 and the second pole 143 are respectively connected to the positive and negative electrical contacts through conductive paths.

[0086] When the horizontal bar is not installed and used, the support rod 2 does not press the pressure switch 14 through the active seat 12, the first pole 141 and the second pole 143 of the pressure switch 14 are not conducting, and there is no information transmission between the pressure switch 14 and the smart terminal 30. When the horizontal bar is installed and used, both ends of the support rod 2 extend and press the active seat 12. The active seat 12 moves towards the pressure switch 14 and presses the pressure switch 14, making the first pole 141 and the second pole 143 conduct, and the conduction information of the pressure switch 14 is transmitted to the smart terminal 30.

[0087] In this embodiment, pressure switches 14 are arranged in the end supports 1 at both ends. By the extrusion of the end supports 1 during the installation of the support rods 2, the pressure switch 14 converts the pressure signal into an electrical signal, and the electrical signal is transmitted to the smart terminal 30 through the conductive path. The smart terminal 30 displays the installation status in real time and prompts the user whether the horizontal bar is installed in place.

[0088] Refer to Figures 1 - 4 In this embodiment, the end support 1 is improved. The end support 1 includes an external installation part, an internal movable part, and a pressure switch 14 part. The external installation part wraps the internal movable part and the pressure switch 14 part, and the internal movable part presses the pressure switch 14 part to achieve the conduction of the pressure switch 14. In this embodiment, in order to install the end support 1 more firmly on the wall, a friction member 17 is arranged on the side of the base 16 close to the wall. The friction member 17 is made of a material with high friction. In this embodiment, the material of the friction member 17 is rubber.

[0089] The internal movable part and the pressure switch 14 are installed in the accommodation cavity formed by the housing 11 and the base 16. Among them, the internal movable part includes a movable seat 12, and the movable seat 12 is movably arranged in the accommodation cavity. In this embodiment, the movable seat 12 can move axially along the support rod 2 and also radially along the support rod 2. The pressure switch 14 includes a pressure switch 14 and a pressure switch seat 15 for supporting the pressure switch 14. The pressure switch seat 15 abuts against one side of the pressure switch 14, and the extrusion side of the movable seat 12 abuts against the other side of the pressure switch 14. The support rod 2 is connected to the installation side of the movable seat 12. When the support rod 2 squeezes the movable seat 12, the movable seat 12 moves axially along the support rod 2, squeezing the pressure switch 14, and the pressure switch 14 is turned on under the action of pressure and then transmits an electrical signal to the intelligent terminal 30. During the use of the horizontal bar, once the horizontal bar becomes loose, the pressure switch 14 is disconnected, and the intelligent terminal 30 cannot receive the electrical signal, then the user is reminded that the horizontal bar is loose, so as to ensure that during the use of the horizontal bar, the user can know in real time whether the horizontal bar is loose. In this embodiment, the movable seat 12 can move radially along the support rod 2. When the horizontal bar is in use, the movable seat 12 will move radially along the support rod 2 driven by the support rod 2. At this time, in cooperation with the structure of the base 16, the effect of being tightened more and more when pulled can be achieved.

[0090] In this embodiment, one side of the pressure switch seat 15 abuts against the pressure switch 14, and the other side abuts against the base 16. The movable seat 12 is installed on the housing 11. There is a hole in the middle of the pressure switch 14, and it is sleeved on the movable seat 12. A connecting piece 13 is also connected to the pressure switch 14. One connecting piece 13 is connected to each of the two poles of the pressure switch 14, and the pressure switch 14 is connected to the intelligent terminal 30 through the connecting piece 13.

[0091] Specifically, the structures of the components in this embodiment are introduced as follows: Refer to Figures 5 - 7 , the housing 11 includes a housing body 112. One side of the housing body 112 is open, and the other side is provided with a housing boss 115 protruding outward. The housing body 112 and the housing boss 115 together form an accommodation cavity. In the middle of the housing boss 115, a housing through hole 116 is opened, and the movable seat 12 is erected in the housing through hole 116. In this embodiment, the housing boss 115 and the housing body 112 are connected by four inclined housing transition surfaces 113, and a housing edge 114 is provided at each connection of the four housing transition surfaces 113. Through the setting of the housing transition surfaces 113, while connecting the housing boss 115 and the housing body 112, the accommodation cavity is fully covered. The housing transition surfaces 113 are inclined, reducing the volume of the housing 11 and reducing unnecessary space occupation. The setting of the housing edge 114 can enhance the strength of the housing and play the role of a reinforcing rib. At the same time, the housing edge 114 has a rounded transition to avoid hurting the user with straight edges.

[0092] In this embodiment, a covering shell 111 is provided at the opening of the outer shell body 112. The covering shell 111 is arranged along the outer periphery of the outer shell body 112. The opening of the covering shell 111 is larger than the opening of the outer shell body 112 and can be tightly fitted with the base 16, enabling the outer shell body 112 to be stably clamped on the base 16. In this embodiment, the outer shell 11 is first clamped on the base 16 through the covering shell 111, and then connected by screws to further ensure the stable connection between the two.

[0093] In this embodiment, an outer shell reinforcing rib 119 is provided in the inner cavity of the outer shell body 112. The outer shell reinforcing ribs 119 are arranged horizontally and vertically to improve the strength of the outer shell body 112. At the outer shell through hole 116, an outer shell inner ring 117 extends from the outer shell boss 115 towards the inner cavity. The outer shell inner ring 117 is provided with at least one inner ring notch 118 (four are provided in this embodiment). The outer shell inner ring 117 can stably support the movable seat 12, and the setting of the inner ring notch 118, in cooperation with the structure provided on the movable seat 12, can ensure that the movable seat 12 does not rotate and is more stably installed. The outer shell 11 of this embodiment is an integrally formed plastic part, and other materials can also be used. The forming method is not limited to integral forming, and methods such as welding and blow molding can be used.

[0094] See Figures 8 - 10 , the movable seat 12 of this embodiment includes a movable seat body 121. A connecting platform 122 protrudes outward from one side of the movable seat body 121. A connecting ring 124 protrudes outward from the upper side of the connecting platform 122 towards the installation side. The movable seat 12 is erected in the outer shell through hole 116 of the outer shell 11 through the connecting ring 124. The connecting platform 122 is used for limiting to prevent the movable seat 12 from being closely attached to the outer shell 11 and thus unable to move. The outer periphery of the connecting ring 124 is provided with installation edges 123 corresponding to the number and position of the inner ring notches 118 (four are provided in this embodiment). The installation edges 123 are clamped in the inner ring notches 118 to ensure that the movable seat 12 does not rotate. In this embodiment, the end of the connecting ring 124 is grooved, and the support rod 2 is arranged in the groove at the end of the connecting ring 124. At least one installation hole 129 (two are provided in this embodiment) is opened on the side wall of the connecting ring 124. The support rod 2 and the connecting ring 124 are fixedly connected by screws. At least one fixing edge 1210 is also provided on the inner side wall of the connecting ring 124 and is embedded in the groove provided on the support rod 2 to ensure that the movable seat 12 and the support rod 2 do not rotate relative to each other.

[0095] In this embodiment, a movable seat through-hole 127 is formed at the center of the connecting platform 122. An installation platform 1213 is extended from the connecting platform 122 along the movable seat through-hole 127 towards the extrusion side of the movable seat 12. The pressure switch 14 is sleeved on the installation platform 1213. In this embodiment, a movable seat boss 1211 protrudes outward on one side of the movable seat body 121 close to the extrusion side. A receiving groove 1212 for receiving the pressure switch 14 is formed in the middle of the movable seat boss 1211. The installation platform 1213 is located in the middle of the receiving groove 1212. The non-perforated part of the connecting platform 122 becomes the part for extruding the pressure switch 14.

[0096] In this embodiment, a first electrical through-hole 125 and a second electrical through-hole 128 are formed on the connecting platform 122. The first electrical through-hole 125 and the second electrical through-hole 128 are arranged on the side of the movable seat through-hole 127. The first electrical through-hole 125 and the second electrical through-hole 128 are respectively connected to a movable seat wire groove 1214. The movable seat wire groove 1214 is formed on the installation platform 1213, facilitating the passage of the connectors 13 connected to the two poles of the pressure switch 14, preventing the connectors 13 from being wound around each other or contacting each other, realizing the mutual insulation of different connectors 13, and preventing short-circuit phenomena.

[0097] In this embodiment, a fixing groove 126 is also arranged on the side of the movable seat through-hole 127. When the movable seat 12 is installed in the accommodation cavity formed by the outer shell 11 and the base 16, a cross bar is arranged in the fixing groove 126, and the spring connected to the cross bar passes through the movable seat through-hole 127 and the base 16. Another cross bar connected to the spring is also arranged on the other side of the base 16. In this way, when the horizontal bar is not in use, the two cross bars approach each other under the action of the spring, binding the movable seat 12 to the base 16, so that the movable seat 12 does not move and will not be damaged due to collision. When the horizontal bar is in use, the horizontal bar can be removed to release the binding between the movable seat 12 and the base 16.

[0098] See Figures 11 - 13, the pressure switch 14 includes two poles: a first pole 141 and a second pole 143, with a certain distance set between the first pole 141 and the second pole 143; an insulating member is arranged between the first pole 141 and the second pole 143 to separate and insulate the two poles. The first pole 141 and the second pole 143 are respectively located on both sides of the insulating member. When the pressure switch 14 is squeezed, the two poles move towards each other. When the two poles contact or are connected together through a conductive structure, the pressure switch 14 is turned on. Specifically in this embodiment, an insulating spacer 142 is arranged between the first pole 141 and the second pole 143. The insulating member is the spacer 142, which isolates the first pole 141 and the second pole 143. A spacer through hole 1421 is opened on the spacer 142, and at least one guide rod groove 1422 is opened along the inner wall of the spacer through hole 1421. A guide rod 144 made of a conductor material is arranged in the guide rod groove 1422 (in this embodiment, a total of four guide rod grooves 1422 are opened, and one guide rod 144 is placed in each guide rod groove 1422). The length of the guide rod 144 is greater than the thickness of the spacer 142 but less than the gap between the two poles when not squeezed. In this embodiment, the two poles are disc springs. When the horizontal bar is not installed and used, the disc springs are not squeezed and deformed, and the guide rod 144 does not connect the first pole 141 and the second pole 143; when the horizontal bar is installed and used, the disc springs are squeezed and deformed, and the guide rod 144 connects the first pole 141 and the second pole 143, making the first pole 141 and the second pole 143 conduct. In this embodiment, through holes are also opened on the first pole 141 and the second pole 143, with the same size as the spacer through hole 1421, facilitating the pressure switch 14 to be sleeved on the movable seat 12.

[0099] In this embodiment, the connecting member 13 connected to the first pole 141 is a spring contact, which directly contacts the surface of the first pole 141. The spring is continuously kept in a compressed state to ensure that the spring contact always contacts the first pole 141. The spring contact is connected to the outside of the end support member 1 through the movable seat through groove 1214 on the movable seat 12. The connecting member 13 connected to the second pole 143 is a wire, which is wound around the second pole 143, then passes through the through holes provided on the pole piece and the spacer 142, and is connected to the inside of the end support member 1 through the movable seat through groove 1214 on the movable seat 12.

[0100] See Figure 14 , in this embodiment, the pressure switch seat 15 includes a seat plate 151. One side of the seat plate 151 abuts against the base 16, and an abutting boss 152 is arranged on the other side, which abuts against the pressure switch 14 to provide a supporting force for the pressure switch 14. A pressure switch seat through hole 153 is opened in the middle of the pressure switch seat 15 in this embodiment.

[0101] See Figures 15 - 16, in this embodiment, the base 16 includes a base body 161. On one side of the base body 161, there is a recessed base sink 162. An inclined base transition surface 163 is provided between the base body 161 and the base sink 162. Cooperating with the structure of the movable seat boss 1211 on the movable seat 12, the movable seat 12 can move radially along the support rod 2 in the cavity. When the horizontal bar is in use, the movable seat 12 will move radially along the support rod 2 driven by the support rod 2. At this time, cooperating with the structure of the inclined base transition surface 163 on the base 16, the gap between the movable seat 12 and the base 16 is reduced, achieving the effect that the tighter it is pulled, the tighter it is installed.

[0102] In this embodiment, a base through hole 164 is opened in the middle of the base body 161. The base through hole 164 extends to the other side of the base body 161. On the other side of the base body 161, a plurality of reinforcing ribs are provided to improve the strength of the base body 161. A connecting groove 166 is opened on the inner wall of the base through hole 164, and limiting plates 165 are provided on both sides of the base through hole 164. In this embodiment, a cross bar provided on the movable seat through hole 127, and the connecting spring connected thereto passes through the movable seat through hole 127, the spacer through hole 1421, the pressure switch seat through hole 153, and the base through hole 164, and is connected to another cross bar. The other cross bar is erected on the limiting plate 165.

[0103] See Figure 17 , in this embodiment, the friction member 17 includes a friction member body 171. On one side of the friction member body 171, a plurality of mounting bumps 173 are provided. The friction member 17 is clamped in the mounting holes opened on the base body 161 through the mounting bumps 173. On the other side, spaced-apart friction ridges 172 are provided to increase the friction with the wall surface.

[0104] The horizontal bar support rod 2 of this embodiment, on the one hand, serves as a horizontal bar body to support the human body, and on the other hand, is used to connect the end support member 1 and the intelligent terminal 30 to realize information transmission between the end support member 1 and the intelligent terminal 30. In order to transmit the electrical signal of the pressure switch 14 installed inside the end support member 1 to the intelligent terminal 30 installed in the middle, the original necessary structure of the horizontal bar is used as the conductive path between the pressure switch 14 and the intelligent terminal 30, and the components in the horizontal bar are used as the conduction path to transmit the electrical signal. This embodiment reasonably utilizes the structure of the existing horizontal bar, and without adding too many structures, it can replace the structure of the wire harness. At the same time, it can connect the pressure switch 14 in the end support member 1 with the intelligent terminal 30. The intelligent terminal 30 is installed in the middle of the horizontal bar, which is convenient for the user to observe the installation state of the horizontal bar in real time and understand their own exercise state. Using the structure of the horizontal bar to replace the wire harness can also avoid the problem of wire harness wiring and avoid the short-circuit phenomenon caused by the wire harness winding together; at the same time, the connection stability of the horizontal bar is relatively high and will not break like the wire harness.

[0105] Specifically, seeFigure 18 and Figure 19 , the support rod 2 of this embodiment includes a main pipe 23, a lead screw 26 is inserted inside the main pipe 23, both ends of the main pipe 23 are respectively connected to end pipes 25, the end pipes 25 are sleeved inside the main pipe 23 and on the lead screw 26, and the end pipes 25 can move along the axial direction of the main pipe 23 driven by the main pipe 23 and the lead screw 26.

[0106] In this embodiment, an intelligent terminal 30 is installed in the middle of the main pipe 23, and the intelligent terminal 30 is sleeved outside the main pipe 23. In this embodiment, the end pipe 25 is connected to the end support member 1 (the connection end where the end pipe 25 is connected to the end support member 1 is called the outer end, and the other end is called the inner end, the same below). The outer end of the end pipe 25 is inserted into the end support member 1 and is connected to the end support member 1 by a screw passing through the end pipe fixing hole 252. The pressure switch 14 provided on the end support member 1 includes two poles, one of which is connected to the end pipe 25 through an electrical connector, and the other pole is connected to the main pipe 23. In this embodiment, the outer part of the main pipe 23 is wrapped with an insulating sleeve 21. While preventing the human body from contacting the main pipe 23 and getting an electric shock, the insulating sleeve 21 can increase the friction between the user's palm and the horizontal bar, preventing the user's hand from slipping.

[0107] In this embodiment, both the end pipe 25 and the lead screw 26 are insulated from the main pipe 23. Two lead screws 26 are arranged inside the main pipe 23, external threads are provided on the lead screws 26, and the end pipe 25 is connected to the lead screw 26 through threads. The lead screw 26 is fixed on the main pipe 23, and when the lead screw 26 rotates with the main pipe 23, the end pipe 25 can be moved along the axial direction of the main pipe 23 under the action of the threads, so as to push the end support member 1 to squeeze against the wall. While facilitating the adjustment of the installation length of the horizontal bar, after being installed on the wall, it can drive the end pipe 25 to extend outwards, increasing the pressure between the end support member 1 and the wall surface, making the installation of the horizontal bar more stable, and further squeezing the pressure switch 14 to make it conduct, reminding the user that the horizontal bar has been installed in place.

[0108] In this embodiment, an end pipe nut 27 is fixedly connected to the inner end of the end pipe 25 (see Figure 21) The end pipe nut 27 includes a nut outer ring 272. A nut inner ring 273 is arranged in the inner cavity of the nut outer ring 272, and the two form a stepped hole. An internal thread is arranged on the inner wall of the nut inner ring 273, which is sleeved on the lead screw 26 and meshes with the external thread on the lead screw 26. The end pipe nut 27 is connected to the end pipe 25 through the nut outer ring 272, and can be connected by means such as adhesion and welding. In this embodiment, welding is adopted. The end pipe nut 27 is made of a conductive material and forms an electrical path with the end pipe 25 and the lead screw 26. In this embodiment, one end of the nut outer ring 272 is provided with a nut limiting ring plate 271 extending outwards. The nut limiting ring plate 271 is located outside the end pipe 25 to prevent the end pipe nut 27 from falling into the end pipe 25 and being unable to be taken out. In this embodiment, a relief notch 274 is opened on the nut outer ring 272, and a nut wire groove 275 is opened in the relief notch 274. In this embodiment, one pole of the pressure switch 14, which is the first pole 141 in this embodiment, is connected to the end pipe 25 through a spring contact. The end pipe 25 is connected to the lead screw 26 through the end pipe nut 27 to form a first pole electrical path.

[0109] See Figures 22 - 23 , in this embodiment, a contact piece mounting sleeve 28 is further arranged at the inner end of the end pipe 25. The contact piece mounting sleeve 28 is an insulating component. The contact piece mounting sleeve 28 includes an annular mounting sleeve body 281, and the mounting sleeve body 281 is sleeved on the end pipe 25. One end of the mounting sleeve body 281 away from the end pipe 25 is provided with a mounting convex plate 283, on which a contact piece mounting hole 285 is opened. An inner ring of one end of the mounting sleeve body 281 close to the mounting convex plate 283 is provided with a mounting sleeve limiting ring plate 284 to prevent the contact piece mounting sleeve 28 from shifting. A contact piece 29 is installed in the contact piece mounting hole 285. The contact piece 29 includes a contact piece mounting portion 291 and a contact point 292. The contact piece mounting portion 291 is fixed in the contact piece mounting hole 285, and the contact point 292 is arranged on the part where the contact piece mounting portion 291 extends outwards. The contact point 292 contacts the main pipe 23. In this embodiment, the other pole of the pressure switch 14, which is the second pole 143 in this embodiment, is wound with a wire. The wire passes through the inner cavity of the end pipe 25, passes through the end pipe nut 27 through the nut wire groove 275, and is connected to the contact piece 29. The contact piece 29 contacts the main pipe 23 to form a second pole electrical path.

[0110] At least two conductive slip rings surrounding the main pipe 23 for one week are arranged on the outer side of the main pipe 23. In this embodiment, three conductive slip rings are arranged, and the inner surfaces of the conductive slip rings are respectively electrically connected to the first pole electrical path and the second pole electrical path.

[0111] In this embodiment, a fixing sleeve 22 is arranged at the outer end of the main pipe 23, and a fixing rib 231 extends from the outermost end of the main pipe 23 to the fixing sleeve 22. On the outer side of the outer end of the main pipe 23, a ferrule 24 is sleeved on the end pipe 25 and moves axially along the end pipe 25. When the ferrule 24 moves towards the main pipe 23, it can be sleeved on the main pipe 23 and is limited by the fixing sleeve 22. See Figure 20, in this embodiment, the ferrule 24 includes a collar 241 and an inner ferrule 243, which form a double-layer annular structure, where the extension length of the collar 241 is greater than that of the inner ferrule 243. In this embodiment, a plurality of ferrule grooves 242 are spaced on the outer side wall of the collar 241 to increase friction and facilitate the user to apply force. A plurality of inner card slots 245 are spaced on the inner side wall of the collar 241. When the ferrule 24 is sleeved on the main pipe 23, the fixing rib 231 enters any one of the inner card slots 245 to restrict the rotation of the collar 241. In this embodiment, a ferrule rib 244 is provided on the inner wall of the inner ferrule 243, and the ferrule rib 244 is clamped on the end pipe slot 251 opened on the end pipe 25. When the horizontal bar is installed in place, the ferrule 24 is sleeved on the end pipe 25, and the ferrule 24 locks the end pipe 25 and the main pipe 23 through the cooperation of the ferrule rib 244 and the end pipe slot 251. In this embodiment, the relief notch 274 of the end pipe nut 27 is designed to avoid the inward protrusion of the end pipe slot 251. An installation sleeve rib 282 is provided in the inner cavity of the contact piece installation sleeve 28, and the installation sleeve rib 282 is also clamped in the end pipe slot 251.

[0112] As Figure 24 shown, the connection between the support rod 2 and the smart terminal 30 is introduced. The smart terminal 30 is arc-shaped with a connection opening on one side, and the smart terminal 30 is snap-fitted on the main pipe 23 of the support rod 2 through the connection opening. A circuit module 332 is installed inside the smart terminal 30. In order to detect the pressure state of the end supports 1 at both ends of the support rod 2, the circuit module 332 needs to be electrically connected to the pressure switch inside the end support 1. In this embodiment, the circuit module 332 is electrically connected to three electrical contacts (not shown in the figure), which are the positive and negative electrical contacts on the smart terminal 30, namely one positive electrical contact and two negative electrical contacts, or one negative electrical contact and two positive electrical contacts. The three electrical contacts extend out of the housing and are respectively connected to the outer surface of the conductive slip ring to be electrically connected to the first electrical path and the second electrical path, and are electrically connected to the pressure switch inside the end support 1 through the first electrical path and the second electrical path. As Figure 27 and Figure 32 shown, a contact point position 316 is also opened on the side surface above the housing. The bottom surface of the contact point position 316 is a plane, reserving more space for the electrical contacts to extend out. Three contact holes 3160 are opened on the bottom surface of the contact point position 316 for the electrical contacts to extend out of the housing. The contact point position 316 is located on the side surface of the housing close to the horizontal bar, and the electrical contacts are in contact connection with the horizontal bar after extending out through the contact holes 3160. In this embodiment, the contact point position 316 is arranged above the housing, so that under the action of gravity, the electrical contacts installed in the contact point position 316 can better contact and connect with the horizontal bar.

[0113] Specifically, as Figure 25As shown, a adapter base 205 is provided at the connection between the main pipe 23 and the smart terminal 30 in this embodiment. Three conductive slip rings are sleeved on the outer circular surface of the adapter base 205, and each conductive slip ring is circumferentially wound around the outer circular side surface of the adapter base 205. Moreover, the conductive slip ring has conductivity and is used for conducting electricity. The three conductive slip rings are respectively a first slip ring 210, a second slip ring 211 and a third slip ring 212, and the structures and materials of the three conductive slip rings are the same. The three electrical contacts electrically connected to the control circuit board 330 extend out from the contact holes 3160 and are respectively connected to the outer surfaces of the first slip ring 210, the second slip ring 211 and the third slip ring 212. In this embodiment, after the conductive slip rings are wound around the outer circular side surface of the adapter base 205, the side close to the horizontal bar is the inner surface, and the side close to the smart terminal 30 is the outer surface. The outer surfaces of the three conductive slip rings are connected to the electrical contacts by contact. Since the slip rings are all circular and circumferentially wound around the outer circular side surface of the adapter base 205, when the angle of the smart terminal is adjusted by rotation, the electrical contacts are always connected to the outer surfaces of the slip rings. In order to prevent the positions of the slip rings from changing after long-term use, the adapter base 205 is further provided with limiting bosses 217. The limiting bosses 217 are located on both sides of each conductive slip ring, and the limiting bosses 217 also circumferentially wind around the outer circular side surface of the adapter base 205 for one week like the slip rings. The limiting bosses 217 are arranged close to the slip rings, and every two limiting bosses 217 limit one conductive slip ring, and the conductive slip rings are limited throughout the path.

[0114] As Figure 28 shown, a first through hole 2051 is opened on the adapter base 205. The number of the first through holes 2051 is three. Each first through hole 2051 is located at the inner surface of the slip ring and corresponds to the position of the conductive slip ring.

[0115] In this embodiment, the main pipe 23 is an integral unit. The adapter base 205 is sleeved on the main pipe 23. The connecting block 204 is located at approximately the middle position inside the main pipe 23, and the connecting block 204 is insulated from the main pipe 23. Since the inside of the adapter base 205 is hollow, when it is sleeved on the outer side of the main pipe 23, its position corresponds to that of the connecting block 204, that is, the connecting block 204 is also located inside the adapter base 205. Second counterbores 2042 are respectively opened at both ends of the connecting block 204 connected to the lead screw 26, and the two second counterbores 2042 at both ends are not communicated. One end of the two lead screws 26 extends into the second counterbore 2042, so that the two lead screws 26 are fixedly connected to the connecting block 204. First counterbores 2041 are opened on the side surface of the connecting block 204 close to the main pipe 23. The number of the first counterbores 2041 is two, and they are respectively close to both ends of the connecting block 204. At one end of the connecting block 204, the first counterbore 2041 is communicated with the second counterbore 2042. Moreover, the positions of the two first counterbores 2041 correspond to the positions of the second slip ring 211 and the third slip ring 212. Moreover, second through holes are opened on the main pipe 23 corresponding to the second slip ring 211 and the third slip ring 212, so that the first counterbore 2041 is communicated with the first through hole 2051 and the second through hole corresponding to the second slip ring 211 and the third slip ring 212.

[0116] Probes 216 are respectively arranged in the two first counterbores 2041. The probes 216 pass through the first counterbores 2041 and are connected to the corresponding lead screws 26. Further, a sinking groove 2030 is opened on the lead screw 26 extending into the second counterbore 2042. The sinking groove 2030 corresponds to the first counterbore 2041. One end of the probe 216 connected to the lead screw 26 abuts against the sinking groove 2030, so that the probe 216 and the lead screw 26 are not easily displaced, and moreover, the contact area between the probe 216 and the lead screw 26 is increased, having a better conduction effect.

[0117] A first spring 213 is arranged in the first through hole 2051 corresponding to the first slip ring 210. One end of the first spring 213 abuts against the inner surface of the first slip ring 210, and the other end abuts against the outer side of the main pipe 23, so that the first slip ring 210 and the main pipe 23 are connected. A second spring 214 is arranged in the first through hole 2051 corresponding to the second slip ring 211. The second spring 214 passes through the first through hole 2051 and the second through hole. One end of the second spring 214 abuts against the inner surface of the second slip ring 211, and the other end abuts against the probe 216, so that the second slip ring 211 is connected to one end of the lead screw 26. Similarly, a second spring 214 is arranged in the first through hole 2051 corresponding to the third slip ring 212. The second spring 214 passes through the first through hole 2051 and the second through hole. One end of the second spring 214 abuts against the inner surface of the second slip ring 211, and the other end abuts against the probe 216, so that the third slip ring 212 is connected to the other end of the lead screw 26.

[0118] In this embodiment, both the first spring 213 and the second spring 214 are conductive springs with conductivity. By using conductive springs, due to the elasticity of the springs and the elastic force, for the first spring 213, the first slip rings 210 at both ends can be better connected to the main pipe 23, and for the second spring 214, the second slip rings 211 or the third slip rings 212 at both ends can be better connected to the lead screw 26, avoiding the occurrence of open circuits. In some cases, the first spring 213 and the second spring 214 can also adopt other conductive elastic components as long as they can achieve the functions of the conductive springs here.

[0119] It should be noted that in order to avoid short circuits, both the connection block 204 and the adapter base 205 are made of insulating materials. Moreover, when the second spring 214 passes through the first through hole 2051 and the second through hole, to prevent the second spring 214 from contacting the main pipe 23 and causing a short circuit phenomenon, an insulating sleeve ring 215 needs to be sleeved outside the second spring 214 to insulate the second spring 214 from the main pipe 23.

[0120] Based on Figure 28The positions of the two lead screws are distinguished by the orientation of the middle view. Since pressure switches 14 are provided inside the end supports 1 in this embodiment, and the pressure switches 14 are all connected to the lead screws 26, two first-pole electrical paths are formed. The two first-pole electrical paths are respectively connected to a second-pole electrical path through the intelligent terminal 30 to form two conductive loops with the pressure switches 14. Specifically, the outer surfaces of the three conductive slip rings are respectively connected to the three electrical contacts. The inner surfaces of the three slip rings are connected to the main pipe 23 in the way of springs or springs plus probes. The main pipe 23 is connected to the second pole 143, that is, the first slip ring 210 is connected to the second-pole electrical path, realizing the connection of the second-pole electrical path and the conduction with the intelligent terminal 30. The second slip ring 211 is connected to the left lead screw 26, the left lead screw 26 is connected to the left end pipe 25, and the end pipe 25 is connected to the first pole 141, that is, the second slip ring 211 is connected to the first-pole electrical path, realizing the connection of the first-pole electrical path and the conduction with the intelligent terminal 30. Similarly, the third slip ring 212 is connected to the right lead screw 26, the right lead screw 26 is connected to the right end pipe 25, and the end pipe 25 is connected to the first pole 141, that is, the third slip ring 212 is connected to the first-pole electrical path, realizing the connection of another first-pole electrical path and the conduction with the intelligent terminal 30, thus forming two conductive loops. More specifically, the two conductive loops are respectively from the first slip ring 210, the main pipe 23, the pressure switch 14, the left end pipe 25, the left lead screw 26 to the second slip ring 211, and from the first slip ring 210, the main pipe 23, the pressure switch 14, the right end pipe 25, the right lead screw 26 to the third slip ring 212. The two conductive loops share the main pipe 23 and the first slip ring 210. Since each conductive slip ring rotates around the adapter base 205 for one week, when the intelligent terminal 30 rotates, the electrical contacts are always in contact with the slip rings, and the control circuit inside the intelligent terminal 30 is always conductive with the horizontal bar.

[0121] On the horizontal bar in this embodiment, a heavy object and a counting sensor 333 are provided inside the intelligent terminal 30. Under the action of the heavy object, the intelligent terminal 30 can rotate around a certain center, so that the counting sensor 333 always faces the exerciser. The intelligent terminal 30 is arranged at the middle part close to the support rod 2. When exercising, the exerciser generally grasps the positions of the support rod 2 close to both ends. Arranging the intelligent terminal 30 at the middle part close to the support rod 2, on the one hand, since the intelligent terminal 30 in this embodiment uses an infrared counting sensor to sense the human body for counting, it is convenient for the intelligent terminal 30 to effectively count the number of exercises, enabling the exerciser to intuitively know the intensity of the exercise, so as to better carry out physical exercise; on the other hand, it can facilitate the exerciser to observe the state of the horizontal bar through the display on the intelligent terminal 30. When a failure occurs, the exerciser can react in time, improving the safety of horizontal bar exercise.

[0122] The intelligent terminal 30 includes a housing, and a power source, a control circuit board and other components are further arranged in the housing. The power source is electrically connected to the control circuit board, and a counting sensor 333 is connected to the control circuit board for counting, and the control circuit board also monitors the state of the horizontal bar. In this embodiment, the housing not only provides a setting carrier for each component in the intelligent terminal 30, provides a display position for the information of the intelligent terminal 30, but also enables the intelligent terminal 30 to be easily installed on the horizontal bar.

[0123] For the sake of convenience of description, Figure 29 in it, the positive direction of Z is upward, and the negative direction is downward; the positive direction of Y is to the right, and the negative direction is to the left; the positive direction of X is backward, and the negative direction is forward.

[0124] Referring to Figure 29 , in this embodiment, the housing of the intelligent terminal 30 is integrally arc-shaped and is formed by enclosing a main housing 31 and a cover plate 32. The main housing 31 and the cover plate 32 are fixed together, and an accommodation space is formed therein for accommodating each component.

[0125] Referring to Figure 30 , the main housing 31 includes an upper side plate 317, a lower side plate 318, a left side plate 314, a right side plate 315 and a base plate 319. In this embodiment, the base plate 319 includes four sides, and the upper side plate 317, the lower side plate 318, the left side plate 314 and the right side plate 315 are respectively arranged on one side of the base plate 319. The four side plates are connected to each other to enclose the base plate 319, and the four side plates and the base plate 319 jointly form an accommodation cavity. The base plate 319 is not limited to four sides and can be a polygon of other shapes. Correspondingly, the number of side plates corresponding to the number of sides of the base plate 319 is set. No matter how many side plates are set, the side plates are always connected to each other, enclose along the circumferential direction of the base plate 319, and jointly form an accommodation cavity with the base plate 319. In this embodiment, the base plate 319 is bent into an arc shape that fits the outer circular surface of the horizontal bar. In its side view, the base plate 319 is generally arc-shaped. The front surface of the base plate 319 is the accommodation cavity. Since the base plate 319 is integrally bent into a semi-closed cylinder, the base plate 319 includes a pair of opposite straight edges and a pair of opposite arc edges. The upper side plate 317 and the lower side plate 318 are respectively arranged at the two straight edges, and the left side plate 314 and the right side plate 315 are respectively arranged at the two arc edges. The free edges of the left side plate 314 and the right side plate 315 are also arc edges, and the shapes and radian are the same as the arc edges of the base plate 319.

[0126] The cover plate 32 is also bent into an arc shape, and its bent shape is the same as that of the main housing 31. It also includes a pair of opposite straight edges and a pair of opposite arc edges, and the radian of the arc edge of the cover plate 32 is the same as that of the arc edge of the main housing 31. Specifically in this embodiment, the cover plate 32 includes two straight upper side edges 320 and lower side edges 321, and two arc right side edges 322 and left side edges 323. The upper side edge 320 is cooperatively connected with the upper side plate 317, the lower side edge 321 is cooperatively connected with the lower side plate 318, the arc edge of the right side edge 322 is cooperatively connected with the right side plate 315, and the arc edge of the left side edge 323 is cooperatively connected with the left side plate 314.

[0127] In this embodiment, the main housing 31 is located on the installation side (i.e., the rear side), with the opening facing forward, and the cover plate 32 is located on the display side (i.e., the front side); however, the structure of the housing of the intelligent terminal 30 can also be that the main housing 31 is located on the display side, extending side plates towards the rear side, with the opening facing backward, and the cover plate 32 is located on the installation side, closing the main housing 31 from the rear.

[0128] In this embodiment, an infrared port 325 is provided on the cover plate 32, and a counting sensor 333 is provided in the infrared port 325 for sensing the user. In this embodiment, the counting sensor 333 is an infrared sensor. When the user is sensed by the infrared sensor, the counter increases the count. A counting display window 324 and a horizontal bar status indication port 326 are also provided. In this embodiment, multiple status indication ports 326 are provided, such as the installation status indication of the horizontal bar, the horizontal status indication of the horizontal bar, the pressure status indication of the pressure switch 14, the battery power status indication of the intelligent terminal 30, and the wireless connection status indication. The specific parameters are displayed on the liquid crystal screen at the counting display window 324. The status indication port 326 can display the specific parameters on the liquid crystal screen or can use other methods to prompt the status, such as an indicator light. In this embodiment, at the status indication port 326, corresponding indicator lights are installed at the corresponding positions of the accommodation cavity, and under the control of the control circuit, the corresponding indicator lights are controlled to be lit or extinguished according to the received signal, thereby reminding the user of the horizontal bar status. Therefore, on the one hand, the cover plate 32 can display the parameters of the intelligent terminal, and on the other hand, it can close the cavity of the main housing 31 to protect the components installed in the housing.

[0129] See Figures 30 - 34In this embodiment, the cover plate 32 is connected to the main housing 31 by bolts. A plurality of cover plate connection holes 3170 for installing bolts or screws are respectively arranged near the upper side plate 317 and the lower side plate 318 inside the main housing 31, which are used to connect the cover plate 32 to the main housing 31. The cover plate 32 and the main housing 31 can be repeatedly disassembled and assembled by bolts or screws. In this embodiment, a gap is reserved between the upper edge of the main housing 31 and the upper side plate 317, and the gap is used to accommodate the cover plate connection holes 3170. At the same time, in order to strengthen the structure of the housing, a plurality of reinforcing ribs 3171 are arranged in the gap at intervals. The reinforcing ribs 3171 are vertically arranged between the main housing 31 and the upper side plate 317. When the reinforcing ribs 3171 are arranged, a space for making way is reserved for the electrical contacts.

[0130] In this embodiment, a gap is left between the lower edge of the main housing 31 and the lower side plate 318 to set a weight compartment for placing weights. In this embodiment, two types of compartments are set in the weight compartment, one is a battery compartment 310, and the other is a counterweight compartment 311. The battery compartment 310 is used to install a battery receiving module 336, and the battery is installed on the smart terminal 30 through the battery receiving module 336; the counterweight compartment 311 is used to install a counterweight module 335 to increase the lower mass of the smart terminal 30. In this embodiment, in order to ensure the counterweight quality of the lower part of the smart terminal 30, a battery and a counterweight module 335 are installed at the lower part of the smart terminal 30 at the same time, and conductive sheets 337 are set at both ends of the battery. Since the battery itself has a certain mass, when the mass of the smart terminal 30 itself is small, the counterweight module 335 can be installed, and only the battery can be used as the counterweight of the smart terminal 30. At the same time, the gap between the lower edge of the main housing 31 and the lower side plate 318 is not divided into two types of compartments, but all of them are used as battery compartments 310. In this embodiment, the battery compartment 310 is disposed in the middle of the lower gap, and a counterweight compartment 311 is disposed on each side of the battery compartment 310 to ensure the mass balance of the counterweight at the bottom of the smart terminal 30 .

[0131] In this embodiment, the purpose of setting a counterweight at the bottom of the smart terminal 30 is to enable the smart terminal 30 to always maintain a certain angle with the ground under the action of the lower counterweight. When the horizontal bar is rotating, if the smart terminal 30 cannot always maintain a certain angle with the ground, but rotates with the horizontal bar, the counting sensor 333 of the smart terminal 30 will not always face the user, resulting in inaccurate counting. In this embodiment, in order to prevent the smart terminal 30 from rotating with the horizontal bar, a counterweight is set at the bottom of the smart terminal 30. When the horizontal bar rotates, the smart terminal 30 always maintains a certain angle with the ground under the action of the lower counterweight, so that the counting sensor 333 can always face the user, so the number of exercises of the user can be accurately counted. At the same time, the display interface of the cover plate 32 is always facing the user, which is convenient for the user to observe the display status on the cover plate 32.

[0132] In this embodiment, in order to facilitate the installation and fixation of the counterweight module 335, a plurality of rib plates 3110 are provided on two opposite sides of the counterweight bin 311. The rib plates 3110 are respectively located on the cover plate 32 and the lower side plate 318. The rib plates 3110 are strip-shaped and extend from the opening of the counterweight bin 311 towards its interior. The rib plates 3110 form a regular square space in the counterweight bin 311. On the one hand, it simplifies the structure of the counterweight module 335, and on the other hand, it facilitates the installation of the counterweight module 335.

[0133] In this embodiment, a fixing frame 312 is provided on the substrate 319. The fixing frame 312 is located at the arc edges at both ends of the substrate 319 and is respectively close to the left side plate 314 and the right side plate 315. Convex platforms 2050 are provided at both ends of the adapter seat 205. During use, the fixing frame 312 is clamped on the convex platforms 2050. The fixing frame 312 follows the bending of the substrate 319, and its two ends respectively extend towards the two straight edges of the substrate 319. The fixing frame 312 can strengthen the strength of the housing on the one hand, and can be used to connect the housing to the horizontal bar on the other hand.

[0134] In this embodiment, a circuit module 332 for controlling each component is provided in the accommodation cavity formed by the main housing 31. The circuit module 332 in this embodiment is a control circuit board. A plurality of connecting columns 313 are provided on one side of the substrate 319 close to the housing accommodation space. Connecting holes are opened on the connecting columns 313. The control circuit board is arranged in the housing by screwing or bolting through the control circuit board and the connecting holes. Usually, four connecting columns 313 are provided, and the four connecting columns 313 are respectively close to the four corners of the control circuit board. In some cases, such as in this embodiment, in order to avoid some electrical components on the control circuit board, four connecting columns 313 are provided, and in addition, second connecting columns 3130 are provided. The structure size and position of the second connecting columns 3130 will be determined according to the electrical components on the control circuit board. In order to reserve a larger space for the installation of the control circuit board, a flat platform 3120 is provided on the side of the fixing frame 312 in contact with the control circuit board. The flat platform 3120 is formed by removing a part of the structure of the fixing frame 312.

[0135] In order to facilitate the exerciser to manually operate the intelligent terminal 30 or adjust the parameters of the intelligent terminal, some buttons are provided for operation. In this embodiment, a button hole 3150 is opened on the right side plate 315. The button 334 is installed in the button hole 3150. While protruding from the right side plate 315, it is electrically connected to the circuit module 332. The button 334 is used to set the button for manual operation or adjustment. In order to export the data of the intelligent terminal 30, a data interface 331 is also provided in this embodiment, which is electrically connected to the circuit module 332. The data interface 331 is installed in the data interface installation hole 3140 opened on the left side plate 314. The data interface 331 can also charge the battery.

[0136] The fixing bracket 312 connected to the right side plate 315 will be described in detail. Elastic clips 3152 are provided at both ends of the fixing bracket 312, and a gap 3153 is provided between the elastic clip 3152 and the end of the fixing bracket 312. During the process of the horizontal bar being inserted into the fixing bracket 312, the horizontal bar will squeeze the elastic clips 3152 at both ends. Due to the provision of the gap 3153, the elastic clip 3152 has a squeezing allowance when being squeezed, making the process of the fixing bracket 312 clamping the horizontal bar more labor-saving. In this embodiment, the fixing brackets 312 are arranged at both ends of the housing, so that when the housing is connected to the horizontal bar, there are two elastic clips 3152 clamping at both the upper and lower positions of the horizontal bar, and the housing is more balanced in force and will not skew.

[0137] In this embodiment, in order to enable the elastic clips 3152 at both ends to clamp onto the horizontal bar after the fixing bracket 312 is clamped onto the horizontal bar, so that the housing will not loosen and fall off, in this embodiment, a convex point 3154 is protrudingly provided on the side of the free end of the elastic clip 3152 close to the horizontal bar towards the horizontal bar, which can firmly clamp the horizontal bar in the fixing bracket 312. At the same time, the opening angle α of the housing is less than 180°. In this embodiment, when the intelligent terminal 30 is installed on the horizontal bar, it rotates around the axis c of the horizontal bar. The perpendicular line from the convex point 3154 above the intelligent terminal 30 to the axis c is a, and the perpendicular line from the convex point 3154 below the intelligent terminal 30 to the axis c is b. The included angle between the perpendicular line a and the perpendicular line b is the opening angle α.

[0138] In this embodiment, when the intelligent terminal 30 is connected to the horizontal bar, a transfer seat is provided on the horizontal bar, and the housing of the intelligent terminal 30 is clamped onto the transfer seat. Since the intelligent terminal 30 needs to rotate a certain angle on the horizontal bar, in order to reduce the friction between the housing and the transfer seat, after the housing is clamped onto the transfer seat, only the side surface of the fixing bracket 312 contacts the transfer seat, and the housing substrate 319 between the fixing brackets 312 at both ends does not contact the transfer seat, reducing the contact area between the transfer seat and the housing.

[0139] Furthermore, the side of the fixing bracket 312 close to the horizontal bar is polygonal, formed by a plurality of prism end faces 3151 connected to each other. The plurality of prism end faces 3151 extend to the elastic clips 3152 at both ends of the fixing bracket 312. When the fixing bracket 312 is clamped onto the transfer seat, the plurality of prism end faces 3151 contact the outer circular ring surface of the transfer seat, and each prism end face 3151 is in line contact with the outer circular ring surface of the transfer seat, further reducing the contact area between the fixing bracket 312 and the transfer seat. In this embodiment, the prism end face 3151 is a plane. In some other cases, the prism end face 3151 can also be arc-shaped.

[0140] In this embodiment, the end supports 1 at both ends of the horizontal bar are supported at the door frame or the connecting corridor, separating the ferrule 24 from the fixed sleeve 22. The main pipe 23 is rotated, and the two lead screws 26 rotate together with the main pipe 23, driving the end pipes 25 at both ends to extend out. The end pipe 25 presses the pressure switch 14, causing the first pole 141 and the second pole 143 to deform and connect to both ends of the guide rod 144, thus turning on the pressure switch 14. It is electrically connected to the intelligent terminal 30 through the first-pole electrical path and the second-pole electrical path, and transmits the installation information of the horizontal bar to the intelligent terminal 30.

[0141] Embodiment 2

[0142] Refer to Figures 35 - 36 , the structure of this embodiment is basically the same as that of Embodiment 1, except for the structure of the pressure switch 14. In this embodiment, the pressure switch 14 includes a first pole 141 and a second pole 143. The first pole 141 and the second pole 143 are arranged on the insulating member and extend toward the same side of the insulating member. The pressure switch 14 further includes a support base 148, and a conductor 1481 is arranged on the side of the support base 148 close to the insulating member. A compressible member is arranged between the insulating member and the support base 148. When the horizontal bar is not installed and used, the compressible member is not compressed, and the first pole 141 and the second pole 143 do not contact the conductor 1481. When the horizontal bar is installed and used, the compressible member is compressed, and the first pole 141 and the second pole 143 contact the conductor 1481 at the same time, making the first pole 141 and the second pole 143 conduct.

[0143] Specifically, the first pole 141 is the first pole contact 1411, and the second pole 143 is the second pole contact 1431. The first pole contact 1411 and the second pole contact 1431 are installed on the insulating base 147. The insulating base 147 is an insulating component. The two are arranged at a certain distance and are insulated from each other. The insulating base 147 includes an insulating base 1471 and an insulating stud 1472. The first pole contact 1411 and the second pole contact 1431 are installed on the insulating stud 1472. The other end of the insulating stud 1472 is connected to the insulating base 1471. An activity seat installation groove 1415 is provided on the other side of the insulating base 1471. Two through holes are provided on the insulating base 1471 and the insulating stud 1472. A first pole wire rod 1414 and a second pole rod 1416 are respectively installed in the two through holes. The first pole wire rod 1414 is connected to the first pole contact 1411, and the second pole rod 1416 is connected to the second pole contact 1431. A switch spring 145 is sleeved on the insulating stud 1472. The switch spring 145 is a compressible component. The other end of the switch spring 145 is sleeved on the support seat 148. A conductor 1481 is provided at the end of the support seat 148 close to the insulating base 147. When the pressure switch 14 is not squeezed by the end pipe 25, the switch spring 145 is in a natural stretched state, separating the insulating base 147 and the support seat 148 by a certain distance; when the pressure switch 14 is squeezed by the end pipe 25, the end pipe 25 squeezes the insulating base 147, the switch spring 145 is compressed, the insulating base 147 and the support seat 148 approach, and the first pole contact 1411 and the second pole contact 1431 are simultaneously in contact with the conductor 1481, thus achieving conduction. In this embodiment, the activity seat 12 is installed in the activity seat installation groove 1415, and the end pipe 25 pushes the activity seat 12 to move, thereby pushing the insulating base 147 and the support seat 148 closer.

[0144] In this embodiment, the first pole 141 is electrically connected to the first pole electrical path through the first pole wire rod 1414, and the second pole 143 is electrically connected to the second pole electrical path through the second pole rod 1416.

[0145] Embodiment 3

[0146] See Figures 37 - 38 , the structure of this embodiment is basically the same as that of Embodiment 1, except for the structure of the pressure switch 14. In this embodiment, the pressure switch 14 includes a first pole 141, a second pole 143, and an elastic body 146 separating the two. The first pole 141 and the second pole 143 are non-deformable conductors, and the insulating component is a compressible component, that is, the elastic body 146. Protrusions are provided on both the first pole 141 and the second pole 143, and the two protrusions are arranged opposite to each other. When the horizontal bar is not installed and used, the compressible component is not compressed, and the protrusions of the first pole 141 and the second pole 143 do not contact; when the horizontal bar is installed and used, the compressible component is compressed, and the protrusions of the first pole 141 and the second pole 143 contact, making the first pole 141 and the second pole 143 conduct.

[0147] Specifically, the first pole 141 includes a first pole body 1413, and a first pole contact 1411 is arranged on one side of the first pole body 1413; the second pole 143 includes a second pole body 1433, and a second pole contact 1431 is arranged on one side of the second pole body 1433. The first pole 141 is connected to the first pole wire rod 1414, and the second pole 143 is connected to the second pole guide rod 1416. In this embodiment, the elastomer 146 is an insulating part, and materials such as rubber are selected. When being squeezed by the end pipe 25, the elastomer 146 is squeezed to a thickness less than the sum of the thicknesses of the two pole contacts, and the first pole contact 1411 contacts the second pole contact 1431 to achieve conduction. Through holes are formed in the first pole 141, the second pole 143 and the elastomer 146 to facilitate the wiring of the pole of the pressure switch 14 away from the support rod 2.

Claims

1. A horizontal bar, comprising end supports (1), support rods (2) and a smart terminal (30). The end supports (1) are arranged at both ends of the support rods (2), and both ends of the support rods (2) are telescopic. The smart terminal (30) is fixedly or detachably connected to the horizontal bar. It is characterized in that: The end support (1) comprises a housing (11) and a base (16), which are connected together to form an accommodation space inside. An activity seat (12) and a pressure switch (14) are arranged in the accommodation space of at least one end support (1). The activity seat (12) can reciprocate between the housing (11) and the base (16). The activity seat (12) comprises an installation side and a pressing side. The pressure switch (14) is installed between the pressing side of the activity seat (12) and the base (16), and the installation side is connected to the support rod (2). The pressure switch (14) comprises a first pole (141) and a second pole (143). Positive and negative electrical contacts are arranged on the smart terminal (30). The first pole (141) and the second pole (143) are respectively connected to the positive and negative electrical contacts through conductive paths. When the horizontal bar is not installed and used, the support rod (2) does not press the pressure switch (14) through the activity seat (12). The first pole (141) and the second pole (143) of the pressure switch (14) are not conducting, and there is no information transmission between the pressure switch (14) and the smart terminal (30). When the horizontal bar is installed and used, both ends of the support rod (2) extend and press the activity seat (12). The activity seat (12) moves towards the pressure switch (14) and presses the pressure switch (14), making the first pole (141) and the second pole (143) conduct. The conduction information of the pressure switch (14) is transmitted to the smart terminal (30).

2. The horizontal bar according to claim 1, characterized in that: The first pole (141) and the second pole (143) of the pressure switch (14) are arranged at a certain distance from each other. An insulating member is arranged between the first pole (141) and the second pole (143) to separate and insulate the two poles.

3. The horizontal bar according to claim 2, characterized in that: The first pole (141) and the second pole (143) are respectively located on both sides of the insulating member.

4. The horizontal bar according to claim 3, characterized in that: The insulating member is a spacer (142). A guide rod groove (1422) is formed in the spacer (142), and a guide rod (144) is installed in the guide rod groove (1422).

5. The horizontal bar according to claim 4, characterized in that: The first pole (141) and the second pole (143) are deformable disc springs. When the horizontal bar is not installed and used, the disc springs are not squeezed and deformed, and the guide rod (144) does not connect the first pole (141) and the second pole (143). When the horizontal bar is installed and used, the disc springs are squeezed and deformed, and the guide rod (144) connects the first pole (141) and the second pole (143), making the first pole (141) and the second pole (143) conduct.

6. The horizontal bar according to claim 3, characterized in that: The first pole (141) and the second pole (143) are non-deformable conductors; the insulating member is a compressible member; protrusions are provided on both the first pole (141) and the second pole (143), and the two protrusions are arranged opposite to each other; when the horizontal bar is not installed and used, the compressible member is not compressed, and the protrusions of the first pole (141) and the second pole (143) are not in contact; when the horizontal bar is installed and used, the compressible member is compressed, and the protrusions of the first pole (141) and the second pole (143) are in contact, so that the first pole (141) and the second pole (143) are conductive.

7. The horizontal bar according to claim 2, characterized in that: The first pole (141) and the second pole (143) are arranged on the insulating member and extend toward the same side of the insulating member.

8. The horizontal bar according to claim 7, characterized in that: The pressure switch (14) further comprises a support seat (148), a conductor (1481) being arranged on a side of the support seat (148) close to the insulating member; a compressible member is arranged between the insulating member and the support seat (148); when the horizontal bar is not installed and used, the compressible member is not compressed, and the first pole (141) and the second pole (143) are not in contact with the conductor (1481); when the horizontal bar is installed and used, the compressible member is compressed, and the first pole (141) and the second pole (143) are in contact with the conductor (1481) at the same time, so that conduction is achieved between the first pole (141) and the second pole (143).

9. The horizontal bar according to any one of claims 1-8, characterized in that: The support rod (2) comprises a main pipe (23), a screw rod (26) is inserted into the main pipe (23), and both ends of the main pipe (23) are respectively connected to end pipes (25). The end pipes (25) are sleeved inside the main pipe (23) and sleeved on the screw rod (26). The end pipes (25) can move along the axial direction of the main pipe (23) under the drive of the main pipe (23) and the screw rod (26).

10. The horizontal bar according to claim 9, characterized in that: The end tube (25) and the screw rod (26) are both insulated from the main tube (23); one pole of the pressure switch (14) is connected to the end tube (25), the end tube (25) is connected to the screw rod (26) to form a first pole electrical path, and the other pole of the pressure switch (14) is connected to the main tube (23) to form a second pole electrical path.

11. The horizontal bar according to claim 10, characterized in that: At least two conductive slip rings are arranged on the outside of the main pipe (23) and surround the main pipe. The inner surfaces of the conductive slip rings are electrically connected to the first pole electrical path and the second pole electrical path respectively.

12. The horizontal bar according to claim 11, characterized in that: The smart terminal (30) is arc-shaped with a connection opening on one side, and the smart terminal (30) is clamped on the main pipe (23) of the support rod (2) through the connection opening, and the positive and negative electrical contacts of the smart terminal (30) are in contact and connected with the outer surface of the conductive slip ring, thereby being electrically connected with the first electrical path and the second electrical path.

13. The horizontal bar according to claim 12, characterized in that: A weight and a counting sensor (333) are arranged in the smart terminal (30); under the action of the weight, the smart terminal (30) can rotate around a certain center so that the counting sensor (333) always faces the exerciser.

Images