Switch structure

Abstract

The present invention relates to the field of switch technology and provides a switch structure, which includes a rope, a trigger member and a switch body. The switch body can be pressed along the triggering direction to be triggered. A rope passing hole penetrating along the triggering direction of the switch body is formed on the switch body. The rope movably passes through the rope passing hole. The trigger member is fixedly sleeved on the rope. The trigger member can move along with the rope and can trigger the switch body along the triggering direction when reaching the switch body. In the switch structure of the present invention, through the design that the rope penetrates through the switch body, no matter in which direction the trigger member approaches the switch along the rope, the switch body can be effectively and accurately triggered.

Description

Technical Field

[0001] The present invention belongs to the technical field of switches, and more particularly, relates to a switch structure. Background Art

[0002] Microswitches are widely used in the work of triggering device signals. The working principle of a microswitch is that when a moving object applies pressure to the switch, the switch closes, the signal of the switch is connected, and a trigger signal is generated; when the moving object leaves the switch, the switch signal is disconnected.

[0003] In the working fields such as lifting devices or lifting ropes, since a microswitch is generally fixed at a certain position around the lifting rope, and the moving object on the lifting rope moves along with the lifting rope, it is impossible to ensure that the moving object on the lifting rope can effectively trigger the microswitch during the lifting and lowering process of the lifting rope. Summary of the Invention

[0004] The purpose of the embodiment of the present invention is to provide a switch structure to solve the technical problem that the moving object on the existing lifting device or lifting rope is difficult to effectively trigger the microswitch.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: to provide a switch structure, including a rope, a triggering member, and a switch body. The switch body can be pressed along the triggering direction to be triggered. A rope passing hole penetrating along its triggering direction is formed in the switch body. The rope movably penetrates through the rope passing hole. The triggering member is fixedly sleeved on the rope. The triggering member can move along with the rope and can trigger the switch body along the triggering direction when reaching the switch body.

[0006] In one embodiment, one end of the switch body has a start button that can be pressed by the triggering member to trigger the switch body, and the rope passing hole penetrates through the start button along the central axis of the start button.

[0007] In one embodiment, the switch body further includes a housing, a conducting sheet, a pin, and a reset member. The pin is arranged in the housing. The start button is arranged at one end of the housing. The conducting sheet is arranged in the housing and is connected to the start button. The conducting sheet can conduct or disconnect the pin under the drive of the start button. The reset member abuts between the housing and the start button.

[0008] In one embodiment, a button support is further arranged in the housing. The button support is slidably arranged in the housing. One side of the button support is connected to the start button. The conducting sheet is arranged on the other side of the button support. The reset member abuts between the other side of the button support and the housing.

[0009] In one embodiment, the button bracket includes a support plate and a guide block connected to each other, the outer peripheral wall of the support plate and the outer peripheral wall of the start button are respectively slidably abutted against the inner peripheral wall of the shell, one side edge of the support plate is abutted against one end edge of the start button, the guide block is arranged at the center of the other side of the support plate and is slidably limited in the shell, and the conductive plate and the reset member are both connected to the other side of the support plate.

[0010] In one embodiment, the conductive sheet is disposed beside the guide block, the switch body includes two pins, the reset member is located between the two pins, and the reset member is held between the conductive sheet and the housing;

[0011] Alternatively, the conductive sheet is arranged around the guide block, the pins are symmetrically arranged with the central axis of the support plate as the symmetry axis, there are multiple reset members, and the reset members are evenly spaced around the central axis of the support plate in the circumferential direction.

[0012] In one embodiment, a guide groove, a first receiving groove and a second receiving groove are defined in the shell, and the end of the guide block facing away from the support plate is slidably limited in the guide groove, the pin is received in the first receiving groove, and the reset member is received in the second receiving groove. A through groove connected to the first receiving groove is opened on the shell, and one end of the pin extends from the through groove to be connected to an external circuit.

[0013] In one embodiment, the guide groove, the first receiving groove and the second receiving groove are all formed by a partition extending vertically from the bottom of the shell. The guide groove is located at the center of the bottom of the shell, and a group of first receiving grooves and second receiving grooves are respectively provided on both sides of the guide groove.

[0014] In one embodiment, both ends of the switch body are provided with wear-resistant rings, and the rope is passed through the wear-resistant rings.

[0015] In one embodiment, a nut for external installation is sleeved on the outer periphery of the switch body.

[0016] The beneficial effects of the switch structure provided by the present invention are as follows: In the switch structure provided by the embodiments of the present invention, a rope passing hole is formed in the switch body, and the rope passing hole extends along the triggering direction of the switch body. When the rope passes through the rope passing hole, the moving direction of the rope when passing through the switch body is the same as the triggering direction of the switch body. Then, by fixedly sleeving the actuating member on the rope, the actuating member can be driven by the rope to move. Since the moving direction of the rope when passing through the switch body is the same as the triggering direction of the switch body, when the actuating member approaches the switch body, it will ultimately be brought to the position of the switch body by the rope and press the switch body along the triggering direction, so that the actuating member can effectively and accurately trigger the switch when reaching the switch body. This solves the problem that the actuating member on the rope cannot efficiently trigger the switch body, improves the stability of the triggering signal, and no matter in which direction the actuating member approaches the switch on the rope, the switch body can be effectively and accurately triggered. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a three-dimensional schematic diagram of the switch structure provided by the embodiments of the present invention;

[0019] Figure 2 is Figure 1 an exploded schematic diagram of the switch structure in

[0020] Figure 3 is Figure 1 a sectional schematic diagram of the switch structure in one direction in

[0021] Figure 4 is Figure 1 a sectional schematic diagram of the switch structure in another direction in

[0022] Figure 5 is Figure 1 a three-dimensional schematic diagram of the housing in

[0023] Figure 6 is Figure 5 another angle schematic diagram of the housing in

[0024] Among them, the reference numerals in the drawings are as follows:

[0025] 10. Rope; 20. Trigger member; 30. Switch body; 31. Housing; 311. Guide groove; 312. First storage groove; 313. Second storage groove; 314. Partition; 315. Third through hole; 316. Through groove; 32. Start button; 321. Pressing part; 3210. Second through hole; 322. Sliding part; 33. Button bracket; 331. Support plate; 332. Guide block; 333. First through hole; 34. Conductive sheet; 35. Pin; 36. Reset member; 37. Wear-resistant ring; 38. Nut; 300. Rope threading hole. Detailed implementation manners

[0026] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and 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 should not be construed as a limitation to the present invention.

[0029] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0030] Please refer to Figure 1 , and now the switch structure provided by the embodiment of the present invention will be described. This switch structure is used in the lifting work of a lifting device or a lifting rope to effectively and accurately trigger the switch structure. It can be understood that in other embodiments of the present invention, according to the actual application situation, the above switch structure can also be applied to a horizontal rope 10 or other devices that require the movement of the rope 10 to trigger the switch, and no unique limitation is made here.

[0031] The switch structure includes a rope 10, a trigger member 20 and a switch body 30. The switch body 30 is set and fixed at a certain position on the movement path of the rope 10. The switch body 30 can be pressed along the triggering direction to be triggered. Among them, Figure 1 the arrow X in the figure is the triggering direction of the switch body 30. A rope-passing hole 300 penetrating along its triggering direction is formed in the switch body 30. The rope 10 movably penetrates through the rope-passing hole 300. The trigger member 20 is fixedly sleeved on the rope 10. The trigger member 20 can move along with the rope 10 and can trigger the switch body 30 along the triggering direction when reaching the switch body 30.

[0032] The rope 10 is the rope 10 or the lifting rope in the lifting device. The rope 10 will move along a direction during the working process. Since the rope 10 is arranged to penetrate through the rope-passing hole 300, during the movement of the rope 10, the distance between the trigger member 20 and the switch body 30 will increase or decrease. When the trigger member 20 is driven by the rope 10 to abut against and press the switch body 30 along the triggering direction, the switch body 30 will be triggered and send a signal.

[0033] In the switch structure of this embodiment, by forming a rope-passing hole 300 in the switch body 30, and the rope-passing hole 300 extends along the triggering direction of the switch body 30, and enabling the rope 10 to penetrate through the rope-passing hole 300, the movement direction of the rope 10 when passing through the switch body 30 is the same as the triggering direction of the switch body 30. Then, by fixedly sleeving the trigger member 20 on the rope 10, the trigger member 20 can be driven by the rope 10 to move. And since the movement direction of the rope 10 when passing through the switch body 30 is the same as the triggering direction of the switch body 30, during the process of the trigger member 20 approaching the switch body 30, the trigger member 20 will ultimately be brought to the position of the switch body 30 by the rope 10 and will press the switch body 30 along the triggering direction, so that the trigger member 20 can effectively and accurately trigger the switch when reaching the switch body 30. It solves the problem that the trigger member 20 on the rope 10 cannot efficiently trigger the switch body 30, improves the stability of the triggering signal, and no matter in which direction the trigger member 20 approaches the switch on the rope 10, the switch body 30 can be effectively and accurately triggered.

[0034] In a specific embodiment, please refer to Figures 1 to 4 , one end of the switch body 30 has a start button 32. The start button 32 can be pressed by the trigger member 20 to trigger the switch body 30, and the rope-passing hole 300 penetrates through the start button 32 along the central axis of the start button 32. Then the rope 10 passes through from the central axis position of the start button 32. When the trigger member 20 is driven by the rope 10 to reach the switch body 30, the trigger member 20 can abut against the central position of the start button 32 and press the central position of the start button 32, thereby further improving the triggering accuracy and effectiveness of the switch body 30.

[0035] Please refer to Figure 1 , the appearance of the switch body 30 is columnar, and the rope threading hole 300 is the central hole of the entire switch body 30, and the rope threading hole 300 extends along the axial direction of the switch body 30, that is, the rope 10 moves along the axial direction of the switch body 30 inside the switch body 30.

[0036] In a specific embodiment, please refer to Figures 1 to 4 , the switch body 30 further includes a housing 31, a conducting piece 34, pins 35 and a reset member 36. The pins 35 are fixedly arranged inside the housing 31, the start button 32 is movably arranged at one end of the housing 31, the conducting piece 34 is arranged inside the housing 31 and connected to the start button 32, and the conducting piece 34 can be conducted or disconnected from the pins 35 under the drive of the start button 32, and the reset member 36 abuts between the housing 31 and the start button 32. In actual work, the pins 35 are normally in a disconnected state. When the rope 10 drives the actuating member 20 to reach the switch body 30, the actuating member 20 presses the start button 32 under the drive of the rope 10, and the start button 32 drives the conducting piece 34 to move towards the pins 35 to conduct the pins 35, thereby triggering a signal, and at this time the reset member 36 abuts between the start button 32 and the housing 31 and is in a compressed state; when the actuating member 20 releases the start button 32 under the drive of the rope 10, since the reset member 36 stores compressed energy when compressed, the reset member 36 has a reverse driving force on the start button 32, thereby pushing the start button 32 and the conducting piece 34 to reset, and the pins 35 are disconnected.

[0037] In a specific embodiment, please refer to Figures 2 to 4 , a button bracket 33 is further arranged inside the housing 31. The button bracket 33 is slidably arranged inside the housing 31. One side of the button bracket 33 is connected to the start button 32, the conducting piece 34 is arranged on the other side of the button bracket 33, and the reset member 36 abuts between the other side of the button bracket 33 and the housing 31. In this way, not only the connection between the start button 32, the conducting piece 34 and the reset member 36 is realized through the button bracket 33, but also the sliding stability of the start button 32 can be enhanced, and the phenomenon that the start button 32 deflects in position when being pressed or reset can be avoided. It can be understood that in other embodiments of the present invention, according to the actual design situation, the button bracket 33 may not be provided, but the axial dimension of the start button 32 is set to be large enough, and the sliding stability of the start button 32 can also be improved, which is not uniquely limited here.

[0038] In a specific embodiment, please refer to Figure 3 and Figure 4, the button bracket 33 includes a support plate 331 and a guide block 332. The support plate 331 and the guide block 332 are connected to each other, specifically, they are integrally connected, that is, the button bracket 33 is an integrally formed structure. During installation, the outer peripheral wall of the support plate 331 and the outer peripheral wall of the start button 32 are respectively in sliding contact with the inner peripheral wall of the housing 31. One side edge of the support plate 331 facing the start button 32 abuts against one end edge of the start button 32. The guide block 332 is provided at the center of the other side of the support plate 331 and is slidably limited within the housing 31. The conduction sheet 34 is connected to the other side of the support plate 331, and the reset member 36 is connected to the other side of the support plate 331. It should be noted that the outer peripheral wall of the support plate 331 is the outer side wall of the support plate 331 along the circumferential direction, the outer peripheral wall of the start button 32 is the outer side wall of the start button 32 along the circumferential direction, and the inner peripheral wall of the housing 31 is the inner side wall of the housing 31 along the circumferential direction. In the present invention, the outer peripheral edge of the start button 32 is received by the support plate 331, and the outer peripheral wall of the support plate 331 and the outer peripheral wall of the start button 32 are respectively in sliding contact with the inner peripheral wall of the housing 31. Then, a sliding connection is formed between the guide block 332 located at the center and the housing 31, so that the start button 32 and the button bracket 33 can slide smoothly within the housing 31 and will not deflect under the pressing of the actuating member 20 and the elastic force of the reset member 36.

[0039] Please refer to Figures 2 to 4 , the housing 31 is cylindrical. The housing 31 has an open end and a receiving cavity that communicate with each other. The pins 35, the reset member 36, the conduction sheet 34, and the button bracket 33 are all disposed in the receiving cavity. The start button 32 is installed at the opening. The start button 32 is cylindrical, the support plate 331 is circular, and the inner peripheral wall of the receiving cavity is a cylindrical surface.

[0040] Please refer to Figure 4 , a first through hole 333 is formed in the center of the button bracket 33. The first through hole 333 axially penetrates the support plate 331 and the guide block 332, and the first through hole 333 is designed in a V shape at one end of the support plate 331, so as to reduce the friction between the rope 10 and the button bracket 33.

[0041] In a specific embodiment, please refer to Figure 3 and Figure 4, the guide block 332 is arranged on the other side of the support plate 331, the guide block 332 is in the shape of a long strip and extends along a certain diameter direction of the support plate 331, the conductive sheet 34 is arranged beside the guide block 332, that is, the conductive sheet 34 and the guide block 332 are staggered, and the conductive sheet 34 does not pass through the center of the support plate 331. The switch body 30 includes two pins 35, and the reset member 36 is located between the two pins 35. The reset member 36 is supported between the conductive sheet 34 and the housing 31, that is, the conductive sheet 34, the pin 35 and the reset member 36 are all eccentrically arranged relative to the button bracket 33. It can be understood that in other embodiments of the present invention, in order to balance the force of the button bracket 33, another reset member 36 can be arranged on the other side of the guide block 332. In addition, the above-mentioned pins 35 can be 2, 4 or other quantities, which are not limited here.

[0042] In another embodiment of the present invention, the guide block 332 can also be set in a long strip shape, but the two ends of the guide block 332 do not extend to the edge of the support plate 331, so that the conductive sheet 34 can be arranged around the guide block 332, and the conductive sheet 34 can be arranged coaxially with the support plate 331, then the two pins 35 can be symmetrically arranged with the central axis of the support plate 331 as the symmetry axis, and the number of reset members 36 can also be set to be multiple, and then the reset members 36 are evenly spaced around the central axis of the support plate 331 in the circumferential direction, so that the button bracket 33 is balanced in force in the circumferential direction.

[0043] In the specific embodiment, please see Figures 3 to 6 The housing 31 is defined with a guide groove 311, a first receiving groove 312 and a second receiving groove 313. The end of the guide block 332 that is away from the support plate 331 is slidably limited in the guide groove 311. The pin 35 is received in the first receiving groove 312. The reset member 36 is a spring and is received in the second receiving groove 313. The housing 31 is provided with a through groove 316 that is connected to the first receiving groove 312. The end of the pin 35 that is away from the conductive sheet 34 extends from the through groove 316 to connect with the external circuit. By setting the guide groove 311, the first receiving groove 312 and the second receiving groove 313, the guide block 332, the pin 35 and the reset member 36 can all be well limited, and the three will not interfere with each other in structure. It can be understood that in other embodiments of the present invention, the reset member 36 can also be an elastic member other than a spring, such as a spring, which is not limited here.

[0044] For details, please refer to Figure 5, the guiding groove 311, the first receiving groove 312, and the second receiving groove 313 are all formed by enclosing with a partition 314 vertically extending from the bottom of the housing 31. The guiding groove 311 is located at the central position of the bottom of the housing 31. A set of the first receiving groove 312 and the second receiving groove 313 are respectively arranged on both sides of the guiding groove 311, that is, two first receiving grooves 312 and one second receiving groove 313 are respectively arranged on both sides of the guiding groove 311, and one second receiving groove 313 is arranged at the middle position between the two first receiving grooves 312. In this way, the entire housing 31 has a central symmetry structure, the manufacturing process is simple, and there is no need to worry about the direction problem during assembly. At the same time, a reset member 36 can be installed in the second receiving grooves 313 on both sides of the guiding groove 311 to improve the sliding smoothness of the button bracket 33.

[0045] In a specific embodiment, please refer to Figures 2 to 4 , wear-resistant rings 37 are arranged at both ends of the switch body 30, and the rope 10 is arranged through the wear-resistant rings 37. Through the arrangement of the wear-resistant rings 37, the friction and wear brought by the movement of the rope 10 to the switch body 30 can be reduced.

[0046] Specifically, the wear-resistant rings 37 at both ends are respectively arranged on the start button 32 and the housing 31.

[0047] Please refer to Figure 4 , the start button 32 includes a pressing part 321 and a sliding part 322. The sliding part 322 is in a cylindrical shape, the outer peripheral wall of the sliding part 322 is in sliding contact with the inner peripheral wall of the housing 31, one end periphery of the sliding part 322 abuts against one side edge of the support plate 331, the pressing part 321 is in a circular plate shape and is arranged at the other end of the sliding part 322, the pressing part 321 is integrally connected with the sliding part 322, and the pressing part 321 is used to be pressed by the actuating member 20. A second through hole 3210 is opened at the center of the pressing part 321, and one of the wear-resistant rings 37 is sleeved in the second through hole 3210.

[0048] Please refer to Figure 5 and Figure 6 , a third through hole 315 is opened at the center of the bottom of the housing 31, the third through hole 315 is communicated with the guiding groove 311, and the wear-resistant ring 37 is sleeved in the third through hole 315.

[0049] In a specific embodiment, please refer to Figures 1 to 3 , a nut 38 is sleeved on the outer periphery of the switch body 30. The nut 38 is used for the external installation of the switch body 30. During actual work, first, the switch body 30 is installed on an external base through the nut 38 to make the position of the switch body 30 in a fixed state, and then the rope 10 is passed through the central hole of the switch body 30, thereby completing the installation of the entire switch structure.

[0050] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A switch structure, characterized in that: The invention comprises a rope, a trigger and a switch body, wherein the switch body can be triggered by pressing in a trigger direction, the switch body is provided with a rope threading hole passing through in the trigger direction, the rope movably passes through the rope threading hole, the trigger is fixedly sleeved on the rope, the trigger can follow the movement of the rope, and can trigger the switch body in the trigger direction when reaching the switch body; the trigger is a cylindrical structure, and the rope is fixedly passed through the center position of the trigger; One end of the switch body is provided with a start button which can be pressed by the trigger to trigger the switch body, and the rope threading hole passes through the start button along the central axis of the start button; The switch body also includes a shell, a conductive sheet, a pin and a reset member, the pin is arranged in the shell, the start button is arranged at one end of the shell, the conductive sheet is arranged in the shell and connected to the start button, the conductive sheet can conduct or disconnect the pin under the drive of the start button, and the reset member abuts between the shell and the start button.

2. The switch structure according to claim 1, wherein: A button bracket is also provided in the shell, and the button bracket is slidably arranged in the shell, one side of the button bracket is connected to the start button, the conductive sheet is arranged on the other side of the button bracket, and the reset member is held between the other side of the button bracket and the shell.

3. The switch structure according to claim 2, characterized in that: The button bracket includes a support plate and a guide block connected to each other. The outer peripheral wall of the support plate and the outer peripheral wall of the start button are respectively slidably abutted against the inner peripheral wall of the shell. One side edge of the support plate is abutted against one end edge of the start button. The guide block is arranged at the center of the other side of the support plate and is slidably limited in the shell. The conductive plate and the reset member are both connected to the other side of the support plate.

4. The switch structure according to claim 3, wherein: The conducting piece is arranged beside the guide block, the switch body comprises two pins, the reset member is located between the two pins, and the reset member is held between the conducting piece and the housing; Alternatively, the conductive sheet is arranged around the guide block, the pins are symmetrically arranged with the central axis of the support plate as the symmetry axis, there are multiple reset members, and the reset members are evenly spaced around the central axis of the support plate in the circumferential direction.

5. The switch structure according to claim 3, characterized in that: A guide groove, a first receiving groove and a second receiving groove are defined in the shell, and one end of the guide block facing away from the support plate is slidably limited in the guide groove, the pin is received in the first receiving groove, and the reset member is received in the second receiving groove. A through groove connected to the first receiving groove is provided on the shell, and one end of the pin extends from the through groove to be connected to an external circuit.

6. The switch structure according to claim 5, characterized in that: The guide groove, the first receiving groove and the second receiving groove are all formed by a partition extending vertically from the bottom of the shell. The guide groove is located at the center of the bottom of the shell, and a group of first receiving grooves and second receiving grooves are respectively provided on both sides of the guide groove.

7. The switch structure according to any one of claims 1 to 6, characterized in that: Both ends of the switch body are provided with wear-resistant rings, and the rope is passed through the wear-resistant rings.

8. The switch structure according to any one of claims 1 to 6, characterized in that: The outer periphery of the switch body is sleeved with a nut for external installation.

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