Indoor multifunctional fitness bar

Abstract

The utility model discloses an indoor multifunctional fitness bar which comprises stand columns, supporting seats, a connecting transverse rod, a movable bar and a bolt rod structure. Wherein a spring, a bolt rod, a deflector rod, a guide hole, a safety clamping groove and a locking groove are arranged in the bolt rod structure. The two stand columns abut against the supporting bases to be supported between the ceiling and the ground, and supporting of the whole fitness bar in the vertical direction is formed. The fitness bar is stably and reliably supported between a ceiling and the ground through connection among the supporting bases, the stand columns, the connecting transverse rods and the movable bars, the relative position between the two supporting bases is fixed, the overall stability of the fitness bar is improved, and the purpose of improving the safety of the fitness bar during use is achieved; by means of a shifting rod, a safety clamping groove and a locking groove in the bolt rod structure, the adjusting process of the movable rod on the stand column is simplified, the two states that the bolt rods stretch into the bolt holes and slide out of the bolt holes are solidified, the situation that two persons need to operate the bolt rods on the two sides to be inserted into different bolt holes at the same time is avoided, and the height adjusting difficulty of the movable rod is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of household sports equipment, in particular to an indoor multifunctional fitness bar. Background Art

[0002] With the rapid development of my country's economy, people's desire for sports and fitness is increasing. Horizontal bar exercise is loved by most people. Citizens use horizontal bars to do some fitness exercises, such as hanging bars, pull-ups, assisted pull-ups, etc. Through the above exercises, users can prevent hunchbacks, self-weight and weight-bearing lumbar traction, assist waist stretching, neck traction, induce knee pain, prevent and assist shoulder periarthritis rehabilitation, swing hips in place to reduce abdominal fat and many other suitable rehabilitation training. Since the use of outdoor horizontal bars is greatly affected by the environment and requires a special venue, there is an urgent need for a horizontal bar structure for indoor use.

[0003] There are two main types of indoor horizontal bars widely used on the market. One is supported on the door frame; the other is supported on the ground with its own bracket. The former is fixed on the door frame, with a limited height range, which is not friendly to taller people. Secondly, there is a risk of damage to the door frame. Finally, the stability is relatively poor during use, and the horizontal bar on the door is easy to fall off, posing certain safety hazards. The latter is supported on the ground by a bracket, and the overall weight of the bracket is large, which requires a large site for use, and the entire horizontal bar is inconvenient to move. In addition, both types of horizontal bars have the problem of inconvenient height adjustment when adjusting the height of the horizontal bar; as well as the problem of single function. Utility Model Content

[0004] In view of the above-mentioned defects in the prior art, an indoor multifunctional fitness bar is provided, which has the advantages of convenient height adjustment and safety and reliability.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] Indoor multifunctional fitness bar, including

[0007] The columns are provided with support seats at the top and bottom of the columns, and the two columns are supported between the ceiling and the ground respectively; a plurality of latch holes are provided at intervals on the columns, and the heights of the latch holes on the two columns correspond to each other;

[0008] A connecting crossbar, wherein the connecting crossbar is connected between the two uprights;

[0009] The movable bar and the latch rod structure, the latch rod structure is fixed at both ends of the movable bar, and latch rods corresponding to the latch holes are arranged in the latch rod structure; the height of the movable bar can be adjusted by controlling the latch rods of the latch rod structure at both ends of the movable bar to be inserted into different latch holes;

[0010] Among them, a spring, a latch rod, a lever, a guide hole, a safety slot and a locking slot are provided in the latch rod structure, the lever is fixed to the end of the spring away from the latch hole, the spring is connected between the latch rod and the latch rod structure, and the latch rod is inserted into the latch hole under the action of the spring; the locking slot and the safety slot are both connected to the end of the guide hole away from the latch hole, the locking slot and the safety slot are not on the same straight line as the guide hole, and the safety slot is located between the locking slot and the column; when the user slides, the lever has three states, namely sliding in the guide hole, hanging in the safety slot, and hanging in the locking slot.

[0011] According to the above technical scheme, the latch rod structure also includes a latch rod seat body, a sliding sleeve and a spring installation cavity. One end of the latch rod seat body is fixedly connected to the end of the movable lever, the sliding sleeve is fixed to the other end of the latch rod seat body, and the sliding sleeve is sleeved on the column; the guide hole is provided in the latch rod seat body, the guide hole passes through the sliding sleeve, and the axis of the guide hole and the axis of the latch hole on the column are on the same vertical plane; the spring installation cavity is arranged around the guide hole, the latch rod is placed in the guide hole, the spring is sleeved on the latch rod, and the spring One end is fixed on the latch rod, and the other end of the spring is fixed on the end surface of the spring mounting cavity; a through slot is provided at the end of the guide hole located at the lever, the length of the through slot is consistent with the length of the moving area of ​​the lever, and the through slot connects the safety slot and the locking slot; when the lever slides from the through slot into the locking slot, the latch rod is completely separated from the latch hole; when the lever slides from the through slot into the safety slot, the latch rod is locked in the latch hole; when the lever is located in the locking slot or the safety slot, the spring is not subjected to torsion; when the lever is located in the guide hole, the spring is subjected to torsion.

[0012] According to the above technical solution, the spring is sleeved on the latch rod, the end of the spring close to the latch hole is fixed on the latch rod, and the end of the spring away from the latch hole is fixed on the end face of the spring mounting cavity away from the latch hole, and the spring is in a compressed state.

[0013] According to the above technical solution, the spring is sleeved on the latch rod, the end of the spring away from the latch hole is fixed on the latch rod, and the end of the latch rod close to the latch hole is fixed to the end face of the spring mounting cavity close to the latch hole, and the spring is in a stretched state.

[0014] According to the above technical solution, the support seat at the bottom of the column is height-adjustable. The bottom support seat includes a support panel, a lead screw and an adjusting nut. The bottom end of the lead screw is fixed to the support panel, and the lead screw and the adjusting nut are connected by a thread. A cylindrical cavity matching the outer diameter of the lead screw is provided at the bottom of the column, and the outer diameter of the adjusting screw is larger than the inner diameter of the column.

[0015] The column is made of two standard rods. A sleeve is provided at the top of the lower standard rod, and a capital is provided at the bottom of the upper standard column. The size of the capital matches the size of the sleeve. The lower standard rod is set with various length specifications, and different specifications are adopted according to different room heights.

[0016] According to the above technical solution, a silicone cushion layer is provided at the contact surface between the support base and the ground or the ceiling.

[0017] According to the above technical scheme, the top support seat includes a support panel and a first sleeve, the top end of the first sleeve is fixed to the bottom surface of the support panel; fastening nuts are fixed at both ends of the connecting cross bar; a cavity matching the first sleeve is provided at the top of the column, the first sleeve is placed in the cavity, and through holes with matching positions and sizes are provided on the cavity of the first sleeve and the top of the column, the size and position of the locking nut match the through hole, and a space for screwing in the locking bolt is provided in the connecting cross bar; the locking bolt passes through the through holes on the cavity of the first sleeve and the top of the column at the same time, and is screwed into the locking nut.

[0018] According to the above technical solution, the latch holes are arranged at intervals on the column, and the distribution range of the latch holes is within the range of 0.25m to 2.5m from the column to the ground.

[0019] According to the above technical solution, target hanging rings are respectively provided on the four supporting seats at the top and bottom of the column, and flexible targets or auxiliary tools are hung on the target hanging rings through pull ropes.

[0020] The utility model has the following beneficial effects:

[0021] 1. The two columns are supported between the ceiling and the ground through the support seat to form the vertical support of the entire fitness bar. The relative position between the two support seats is fixed by connecting the crossbar to improve the overall stability of the fitness bar. The bolt rod structure is used to realize the rapid adjustment of the fixed height of the movable bar on the column. When the height of the movable bar needs to be adjusted, the lever is first rotated to rotate the lever from the safety card slot to the guide hole; then the user overcomes the spring force, slides the lever along the guide hole direction to the connection between the locking slot and the guide hole, and rotates the lever to hang the lever in the locking slot to achieve the fixation of the bolt rod and the bolt hole in the separated state, thereby avoiding the need for the user to pull the lever all the time, reducing the difficulty of adjusting the height of the movable bar. After the height of the movable bar is adjusted to the right position, the user rotates the lever from the locking slot to the guide hole. After the bolt rod and the bolt hole are aligned, the bolt rod is inserted into the bolt hole of the column under the action of the spring; then, the user hangs the lever from the guide hole into the safety card slot to achieve the fixation of the bolt rod inserted into the bolt hole. Based on the above structure, the connection between the column, the connecting cross bar and the movable bar is stably and reliably supported between the ceiling and the ground, thereby improving the safety of the fitness bar when in use; in addition, the lever, the safety card slot and the locking slot in the latch rod structure are used to simplify the adjustment process of the movable bar on the column, and the two states of the latch rod extending into the latch hole and sliding out of the latch hole are solidified, avoiding the need for two people to simultaneously operate the latch rods on both sides to insert into different latch holes, thereby reducing the difficulty of adjusting the height of the movable bar.

[0022] 2. The column is divided into two sections, the lower section having a plurality of different height specifications; and a lead screw and an adjusting nut are arranged between the lower section and the bottom support panel, so that the fitness bar is suitable for use between ceilings and the ground at different height ranges, thereby improving the applicable range of the fitness bar.

[0023] 3. A silicone pad is provided at the contact surface between the support base and the ground or ceiling, which greatly increases the friction and prevents the support base from affecting the ground and ceiling.

[0024] 4. By adjusting the movable bar to fix it at the pin holes at different heights, it can meet the needs of hanging bar, pull-ups, assisted pull-ups, hanging bar abdomen contraction, crunches on the bar, walking in the air, double-handed flips, incline push-ups, push-ups, high push-ups, hanging upside down, leg stretching, weightlifting, weighted squats, tiptoeing with the bar, dance exercises and resistance training for the elderly.

[0025] 5. The adjustment range of the movable bar is 0.25m to 2.5m, which is suitable for people of different heights and different physical conditions to perform fitness and assisted rehabilitation of different height movements. The use scenarios of the fitness bar have been greatly enriched. The sports fitness and rehabilitation functions are rich and diverse. More than 60 basic methods have been summarized, and everyone can choose according to their own hobbies and needs. For example, hanging bars, pull-ups, assisted pull-ups, hanging bar abdomen, crunches on the bar, air walking, double-handed forward and reverse flips, incline push-ups, push-ups, leg presses, weightlifting, weighted squats, tiptoeing with bars, dance exercises and elderly impedance exercises, etc.; prevention and correction of hunchback, self-weight and weight-bearing lumbar traction, assisted waist stretching, neck traction, knee pain, prevention and assistance of periarthritis of the shoulder rehabilitation, in-situ hip swing and abdominal slimming and many other suitable rehabilitation training.

[0026] 6. Target rings are provided on the four support seats at the top and bottom of the column, and flexible targets are hung on the target rings through ropes, which are used for punching, kicking, kneeing, elbowing, strength training, speed training, and auxiliary boxing, martial arts, Tai Chi, Taekwondo, yoga and other basic training. Auxiliary tools such as safety ropes with limited lengths and power belts can also be set on the target rings, which greatly increases safety, greatly reduces the difficulty of exercise, and greatly improves the exercise and rehabilitation effects.

[0027] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0029] Figure 1 It is a structural schematic diagram of an embodiment provided by the utility model;

[0030] Figure 2 yes Figure 1 A-direction view;

[0031] Figure 3 yes Figure 1 An enlarged schematic diagram of point B;

[0032] Figure 4 yes Figure 1 An enlarged schematic diagram of point C;

[0033] Figure 5 yes Figure 1 An enlarged schematic diagram of point D;

[0034] Figure 6 This is a schematic diagram of the structure of installing a flexible target according to an embodiment of the utility model;

[0035] In the figure, 1, column; 2, support seat; 2-1, support panel; 2-2, screw; 2-3, adjusting nut; 2-4, first sleeve; 3, latch hole; 4, connecting cross bar; 5, movable lever; 6, latch rod structure; 6-1, latch rod; 6-2, spring; 6-3, lever; 6-4, guide hole; 6-5, locking groove; 6-6, latch rod seat body; 6-7, sliding sleeve; 6-8, spring mounting cavity; 6-9, safety card slot; 7, sliding pad; 8, fastening nut; 9, locking bolt; 10, target ring; 11, flexible target. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-6 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0037] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0039] Reference Figure 1 to Figure 6 As shown, the utility model provides an indoor multifunctional fitness bar.

[0040] Example 1

[0041] It comprises a column 1, a support base 2 is provided at the top and bottom of the column, and the two columns are supported between the ceiling and the ground respectively through the support base; a plurality of latch holes 3 are provided at intervals on the column, and the heights of the latch holes on the two columns correspond to each other;

[0042] The connecting crossbar 4 is connected between the two columns; if the connecting crossbar is arranged on the top or bottom support seat, the effect achieved is the same as that achieved by directly connecting to the connecting crossbar, and it is also within the protection scope of this application. After all, the support seat is also part of the column.

[0043] The movable bar 5 and the latch rod structure 6, the latch rod structure is fixed at both ends of the movable bar, and a latch rod 6-1 corresponding to the latch hole is arranged in the latch rod structure; the height of the movable bar can be adjusted by controlling the latch rods of the latch rod structure at both ends of the movable bar to be inserted into different latch holes;

[0044] Among them, a spring 6-2, a latch rod, a lever 6-3, a guide hole 6-4, a safety slot 6-9 and a locking slot 6-5 are provided in the latch rod structure, the lever is fixed at the end of the spring away from the latch hole, the spring is connected between the latch rod and the latch rod structure, and the latch rod is inserted into the latch hole under the action of the spring; the locking slot and the safety slot are both connected to the end of the guide hole away from the latch hole, the locking slot and the safety slot are not on the same straight line with the guide hole, and the safety slot is located between the locking slot and the column; when the user slides, the lever has three states, namely sliding in the guide hole, hanging in the safety slot, and hanging in the locking slot.

[0045] In this embodiment, two columns are supported between the ceiling and the ground through support seats, forming a vertical support for the entire fitness bar. The relative position between the two support seats is fixed by connecting a cross bar, thereby improving the overall stability of the fitness bar. The latch rod structure is used to quickly adjust the fixed height of the movable bar on the column. When the height of the movable bar needs to be adjusted, the lever is first rotated to rotate the lever from the safety slot to the guide hole; then the user overcomes the spring force, slides the lever along the direction of the guide hole to the connection between the locking slot and the guide hole, and rotates the lever to hang the lever into the locking slot, thereby fixing the latch rod and the latch hole in a separated state, thereby avoiding the need for the user to keep pulling the lever, and reducing the difficulty of adjusting the height of the movable bar. After the height of the movable bar is adjusted to the right position, the user rotates the lever from the locking slot to the guide hole. After the latch rod and the latch hole are aligned, the latch rod is inserted into the latch hole of the column under the action of the spring (elastic force and torsion); then, the user hangs the lever from the guide hole into the safety slot to fix the state of the latch rod inserted into the latch hole. Based on the above structure, the connection between the column, the connecting cross bar and the movable bar is stably and reliably supported between the ceiling and the ground, thereby improving the safety of the fitness bar when in use; in addition, the lever, the safety slot and the locking slot in the latch rod structure are used to simplify the adjustment process of the movable bar on the column, and the two states of the latch rod extending into the latch hole and sliding out of the latch hole are solidified, thereby avoiding the need for two people to simultaneously operate the latch rods on both sides to insert into different latch holes, thereby reducing the difficulty of adjusting the height of the movable bar.

[0046] Example 2

[0047] The structure and principle of embodiment 2 are similar to those of embodiment 1, except that: Figure 3 As shown, the latch rod structure also includes a latch rod seat body 6-6, a sliding sleeve 6-7 and a spring mounting cavity 6-8, one end of the latch rod seat body is fixedly connected to the end of the movable lever, the sliding sleeve is fixed to the other end of the latch rod seat body, and the sliding sleeve is sleeved on the column; a guide hole is arranged in the latch rod seat body, the guide hole passes through the sliding sleeve, and the axis of the guide hole and the axis of the latch hole on the column are on the same vertical plane; the spring mounting cavity is arranged around the guide hole, the latch rod is placed in the guide hole, the spring is sleeved on the latch rod, one end of the spring is fixed on the latch rod, and the other end of the spring is fixed on the end face of the spring mounting cavity; a through groove is provided at the end of the guide hole located at the shift rod, the length of the through groove is consistent with the length of the moving area of ​​the shift rod, and the through groove connects the safety card slot and the locking slot; when the shift rod slides from the through groove into the locking slot, the latch rod is completely separated from the latch hole; when the shift rod slides from the through groove into the safety card slot, the latch rod is locked in the latch hole. When the lever is located in the locking slot or the safety slot, the spring is not subjected to torsion; when the lever is located in the guide hole, the spring is subjected to torsion. Preferably, a self-lubricating pad 7 is provided between the sleeve and the column to ensure smooth and silent sliding of the sleeve.

[0048] In Example 2, a preferred spring fixing method is given; when the push rod slides into the locking groove, the push spring is in a compressed state; the spring is sleeved on the latch rod, the end of the spring close to the latch hole is fixed on the latch rod, and the end of the spring away from the latch hole is fixed on the end face of the spring mounting cavity away from the latch hole, and the spring is in a compressed state, as shown in the figure.

[0049] In Example 2, another preferred spring fixing method is given; when the push rod slides into the locking groove, the push spring is in a stretched state; the spring is sleeved on the latch rod, the end of the spring away from the latch hole is fixed on the latch rod, and the end of the latch rod close to the latch hole is fixed to the end face of the spring mounting cavity close to the latch hole. The spring is in a stretched state, which is not shown in the figure.

[0050] Example 3

[0051] The structure and principle of embodiment 3 are similar to those of embodiment 1 or 2, except that: Figure 4 As shown, in order to install the fitness bar on the ceiling and the ground at different height ranges, the support base at the bottom of the column adopts a height-adjustable method. The bottom support base includes a support panel 2-1, a screw 2-2 and an adjusting nut 2-3. The bottom end of the screw is fixed on the support panel, and the screw and the adjusting nut are connected by a thread. A cylindrical cavity matching the outer diameter of the screw is provided at the bottom of the column, and the outer diameter of the adjusting screw is larger than the inner diameter of the column. The screw is screwed on the adjusting nut and inserted into the cylindrical cavity at the lower end of the column. The adjusting nut is tightened, and the column is tightly fixed between the ceiling and the ground.

[0052] The columns are made of two standard rods (solid rods or pipes) spliced ​​together. A sleeve is provided at the top of the lower standard rod, and a capital is provided at the bottom of the upper standard column. The size of the capital matches the size of the sleeve. The lower standard rod is set in a variety of length specifications, and different specifications are used according to different room heights.

[0053] In this embodiment, the height between the ceiling and the ground of the installation area is determined by selecting a lower standard rod of appropriate length according to the adjustment range between the nut and the lead screw; then, by adjusting the height of the adjusting thread on the lead screw, the column is firmly supported between the ground and the ceiling.

[0054] Example 4

[0055] The structure and principle of Example 4 are similar to those of Examples 1-3, except that a silicone pad is provided at the contact surface between the support base and the ground or ceiling to increase the friction between the support base and the ceiling, while preventing the support base from affecting the ground and ceiling.

[0056] In Examples 1-4, Figure 4As shown, a preferred connection form between the column, the connecting cross bar, and the top support seat is given, and the top support seat includes a support panel 2-1 and a first sleeve 2-4, the top of the first sleeve is fixed to the bottom surface of the support panel; both ends of the connecting cross bar are fixed with fastening nuts 8; a cavity matching the first sleeve is provided at the top of the column, the first sleeve is placed in the cavity, and through holes with matching positions and sizes are provided on the cavities of the first sleeve and the top of the column, the size and position of the locking nut match the through hole, and a space for screwing in the locking bolt 9 is provided in the connecting cross bar; the locking bolt passes through the through holes on the cavities of the first sleeve and the top of the column at the same time, and is screwed into the locking nut.

[0057] Example 5

[0058] The structure and principle of Example 5 are similar to those of Examples 1-4, except that the pin holes are arranged at intervals on the column, and the distribution range of the pin holes is within the range of 0.25m to 2.5m from the column to the ground. By adjusting the fixing of the movable bar at the pin holes at different heights, the realization of sports functions such as hanging bar, pull-ups, assisted pull-ups, hanging bar abdomen contraction, abdominal crunches on the bar, air walking, double-handed forward and reverse flips, incline push-ups, push-ups, leg presses, weightlifting, weight-bearing squats, tiptoeing with bar support, dance exercises, and elderly resistance training, as well as the realization of various auxiliary rehabilitation functions, can be achieved.

[0059] Example 6

[0060] The structure and principle of Example 6 are similar to those of Examples 1-5, except that: Figure 6 As shown, target rings 10 are provided on the four support seats at the top and bottom of the column, and flexible targets 11 are hung on the target rings through ropes, which are used for punching, kicking, kneeing, elbowing, strength training, speed training, and assisting basic training such as boxing, martial arts, Tai Chi, Taekwondo, and yoga. Auxiliary tools such as safety ropes with limited lengths and power belts can also be set on the target rings, which greatly increases safety protection, greatly reduces the difficulty of exercise, and greatly improves the exercise and rehabilitation effects.

[0061] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. Indoor multifunctional fitness bar, characterized by: include The columns are provided with support seats at the top and bottom of the columns, and the two columns are supported between the ceiling and the ground respectively; a plurality of latch holes are provided at intervals on the columns, and the heights of the latch holes on the two columns correspond to each other; A connecting crossbar, wherein the connecting crossbar is connected between the two uprights; The movable bar and the latch rod structure, the latch rod structure is fixed at both ends of the movable bar, and latch rods corresponding to the latch holes are arranged in the latch rod structure; the height of the movable bar can be adjusted by controlling the latch rods of the latch rod structure at both ends of the movable bar to be inserted into different latch holes; Among them, a spring, a latch rod, a lever, a guide hole, a safety slot and a locking slot are provided in the latch rod structure, the lever is fixed to the end of the spring away from the latch hole, the spring is connected between the latch rod and the latch rod structure, and the latch rod is inserted into the latch hole under the action of the spring; the locking slot and the safety slot are both connected to the end of the guide hole away from the latch hole, the locking slot and the safety slot are not on the same straight line as the guide hole, and the safety slot is located between the locking slot and the column; when the user slides, the lever has three states, namely sliding in the guide hole, hanging in the safety slot, and hanging in the locking slot.

2. The indoor multifunctional fitness bar according to claim 1, characterized in that: The latch rod structure also includes a latch rod seat body, a sliding sleeve and a spring installation cavity. One end of the latch rod seat body is fixedly connected to the end of the movable lever, the sliding sleeve is fixed to the other end of the latch rod seat body, and the sliding sleeve is sleeved on the column; a guide hole is provided in the latch rod seat body, the guide hole passes through the sliding sleeve, and the axis of the guide hole and the axis of the latch hole on the column are on the same vertical plane; the spring installation cavity is arranged around the guide hole, the latch rod is placed in the guide hole, the spring is sleeved on the latch rod, and one end of the spring is fixed On the latch rod, the other end of the spring is fixed on the end surface of the spring mounting cavity; a through groove is provided at the end of the guide hole located at the lever, the length of the through groove is consistent with the length of the moving area of ​​the lever, and the through groove connects the safety slot and the locking slot; when the lever slides from the through groove into the locking slot, the latch rod is completely separated from the latch hole; when the lever slides from the through groove into the safety slot, the latch rod is locked in the latch hole; when the lever is located in the locking slot or the safety slot, the spring is not subjected to torsion; when the lever is located in the guide hole, the spring is subjected to torsion.

3. The indoor multifunctional fitness bar according to claim 2, characterized in that: The spring is sleeved on the latch rod, one end of the spring close to the latch hole is fixed on the latch rod, and one end of the spring away from the latch hole is fixed on the end surface of the spring installation cavity away from the latch hole, and the spring is in a compressed state.

4. The indoor multifunctional fitness bar according to claim 2, characterized in that: The spring is sleeved on the latch rod, one end of the spring away from the latch hole is fixed on the latch rod, and one end of the latch rod close to the latch hole is fixed on the end surface of the spring installation cavity close to the latch hole, and the spring is in a stretched state.

5. The indoor multifunctional fitness bar according to claim 1, characterized in that: The support base at the bottom of the column is height-adjustable. The bottom support base includes a support panel, a lead screw and an adjusting nut. The bottom end of the lead screw is fixed to the support panel, and the lead screw and the adjusting nut are connected by threads. A cylindrical cavity matching the outer diameter of the lead screw is provided at the bottom of the column, and the outer diameter of the adjusting screw is larger than the inner diameter of the column. The column is made of two standard rods. A sleeve is provided at the top of the lower standard rod, and a capital is provided at the bottom of the upper standard column. The size of the capital matches the size of the sleeve. The lower standard rod is set with various length specifications, and different specifications are adopted according to different room heights.

6. The indoor multifunctional fitness bar according to claim 1, characterized in that: A silicone cushion layer is arranged at the contact surface between the support base and the ground or the ceiling.

7. The indoor multifunctional fitness bar according to claim 1, characterized in that: The top support seat includes a support panel and a first sleeve, the top end of the first sleeve is fixed to the bottom surface of the support panel; fastening nuts are fixed at both ends of the connecting cross bar; a cavity matching the first sleeve is provided at the top of the column, the first sleeve is placed in the cavity, and through holes with matching positions and sizes are provided on the first sleeve and the cavity at the top of the column, the size and position of the locking nut match the through holes, and a space for screwing in a locking bolt is provided in the connecting cross bar; the locking bolt passes through the through holes on the cavity of the first sleeve and the top of the column at the same time, and is screwed into the locking nut.

8. The indoor multifunctional fitness bar according to claim 1, characterized in that: The latch holes are arranged at intervals on the column, and the distribution range of the latch holes is within the range of 0.25m to 2.5m from the column to the ground.

9. The indoor multifunctional fitness bar according to claim 1, characterized in that: Four support seats at the top and bottom of the column are respectively provided with target hanging rings, and flexible targets or auxiliary tools are hung on the target hanging rings through pull ropes.

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