Lifting, positioning and locking mechanism for sports equipment

Abstract

The utility model relates to the technical field of sports equipment, and discloses a sports equipment lifting, positioning and locking mechanism which comprises a hollow column and a connecting belt, the outer wall of the hollow column is rotatably connected with a knob, and the tail end of the knob penetrates through the hollow column and is fixedly connected with a driving belt pulley. The inner side of the hollow column on the rear side is rotationally connected with a driven belt wheel, the driving belt wheel is in transmission connection with the driven belt wheel through the connecting belt, the outer side of the driving belt wheel is fixedly connected with a gear, the front side of the gear is in meshed connection with a sawtooth strip, and the outer side of the sawtooth strip is fixedly connected with a stress shell. According to the utility model, the rotation of the gear is in meshing transmission with the sawtooth rack, so that the sawtooth rack and the stress shell are driven to lift and move, the parallel bars on the arc-shaped rod are driven to lift and move, the insertion disc is taken to be inserted into the open hole, and meanwhile, the insertion disc penetrates through the open hole to be clamped with the clamping groove, so that the parallel bars are positioned, locked and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of sports equipment, in particular to a lifting, positioning and locking mechanism for sports equipment. Background Art

[0002] Sports equipment refers to various devices or tools used for physical exercise, fitness or competition training. These equipment vary in types and functions and are designed to meet different sports needs and training purposes. Sports equipment can be selected and used according to different sports needs and purposes to help people carry out comprehensive physical exercise, fitness training and competition.

[0003] In the process of using sports equipment for exercise, it is necessary to use the sports equipment lifting, positioning and locking mechanism to fix the sports equipment. The sports equipment lifting, positioning and locking mechanism is a special device in the sports equipment. Common locking mechanisms include pins, spiral locks and retaining springs, etc., which are used to ensure that the equipment can be accurately lifted to the specified position when in use or storage, and locked after reaching the target position to maintain stability.

[0004] Parallel bars are a common sports equipment. In gyms and parks, parallel bars of various heights are provided for use by people of different heights. However, in the sports environment of residential areas, due to limited space, only parallel bars of a fixed height can be installed for use, so it is not possible to meet the needs of people of different heights to exercise. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a lifting, positioning and locking mechanism for sports equipment, aiming to improve the problem in the prior art that in the sports environment of residential areas, due to limited space, only a fixed height parallel bar can be installed for use, thus failing to meet the needs of people of different heights to exercise.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sports equipment lifting, positioning and locking mechanism, comprising a hollow column and a connecting belt, the outer wall of the hollow column is rotatably connected with a knob, the end of the knob passes through the hollow column and is fixedly connected with a driving pulley, the inner side of the rear hollow column is rotatably connected with a driven pulley, the driving pulley is transmission-connected with the driven pulley through the connecting belt, the outer side of the driving pulley is fixedly connected with a gear, the front side of the gear is meshingly connected with a sawtooth bar, the outer side of the sawtooth bar is fixedly connected with a force-bearing shell, a through hole is opened in the middle part of the outer wall of the hollow column, the outer side of the force-bearing shell is fixedly connected with an arc rod, the end of the arc rod passes through the through hole, a positioning and locking assembly is installed in the middle and lower part of the outer wall of the hollow column, and a mounting mechanism is installed on the outer side of the arc rod.

[0007] As a further description of the above technical solution:

[0008] The mounting mechanism comprises a right-angle plate, the bottom of the right-angle plate is fixedly connected to the top of the arc rod, the top of the right-angle plate is fixedly connected to the arc plate, the left and right ends of the front side of the arc plate are provided with insertion holes, the middle and upper part of the front side of the right-angle plate is fixedly connected to a fixing frame, the inner side of the fixing frame is fixedly connected to a fixing rod, the left and right ends of the outer wall of the fixing rod are provided with a torsion spring, the far-away ends of the torsion spring are respectively fixedly connected to the left and right sides of the inner wall of the fixing frame, the middle part of the fixing rod is rotatably connected to a rotating plate, the adjacent ends of the torsion spring are respectively fixedly connected to the middle of the left and right sides of the rotating plate, the left and right ends of the bottom of the rotating plate are fixedly connected to insertion rods, the end of the insertion rod passes through the insertion hole, the inner side of the insertion rod is threadedly connected with a bolt 1, and a lever is passed between the rotating plate and the arc plate.

[0009] As a further description of the above technical solution:

[0010] The positioning and locking assembly includes an elastic band, which is fixedly connected to the bottom end of the outer wall of the hollow column. The end of the elastic band is fixedly connected to an insert disk. The outer wall of the knob is equidistantly provided with a plurality of openings. The outer wall of the hollow column is equidistantly provided with a plurality of slots. The end of the insert disk passes through the knob and engages with the slot.

[0011] As a further description of the above technical solution:

[0012] The bottom of the hollow column is fixedly connected with a base frame, and the top of the base frame is threadedly connected with bolt 2.

[0013] As a further description of the above technical solution:

[0014] A plurality of scale grooves are equidistantly arranged on the front side of the outer wall of the hollow column, and a pointer is fixedly connected to the front side of the lever.

[0015] As a further description of the above technical solution:

[0016] The front and rear sides of the force-bearing shell are fixedly connected with sliding bars, the front and rear sides of the inner wall of the hollow column are provided with sliding grooves, and the sliding bars are slidably connected with the corresponding sliding grooves respectively.

[0017] As a further description of the above technical solution:

[0018] An annular groove is provided at the outer bottom end of the hollow column, and a slip ring is fixedly connected to the outer wall of the knob, and the slip ring is slidably connected to the annular groove.

[0019] As a further description of the above technical solution:

[0020] A plurality of hollow tubes are fixedly connected between the two hollow columns at equal distances.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the rotation of the gear meshes with the sawtooth bar to drive the sawtooth bar and the force-bearing shell to move up and down, and then the parallel bars on the arc rod are moved up and down. The insert plate is inserted into the opening, and the opening is penetrated and engaged with the card slot to position, lock and fix the parallel bars, so that the parallel bars can be used by people of different heights.

[0023] 2. In the utility model, when the rotating plate is flipped, the torsion spring stores energy and is forced to deform and flip the rotating plate, so that the insertion rod is inserted into the insertion hole and the lever is clamped. The step of disassembling the lever is only to remove the bolt, and it can be quickly disassembled for maintenance or replacement, which saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a lifting, positioning and locking mechanism for sports equipment proposed by the utility model;

[0025] Figure 2 This is a partial structural explosion diagram of a sports equipment lifting, positioning and locking mechanism proposed by the utility model;

[0026] Figure 3 This is a partial structural diagram of a lifting, positioning and locking mechanism for sports equipment proposed by the utility model;

[0027] Figure 4 This is a partial structural cross-sectional view of a lifting, positioning and locking mechanism for sports equipment proposed by the utility model;

[0028] Figure 5 This is a disassembled diagram of the installation mechanism of the lifting, positioning and locking mechanism of a sports equipment proposed by the utility model.

[0029] Legend:

[0030] 1. Hollow column; 2. Mounting mechanism; 201. Insert rod; 202. Turn plate; 203. Fixed rod; 204. Torsion spring; 205. Fixed frame; 206. Lever; 207. Arc plate; 208. Right-angle plate; 209. Socket; 210. Bolt 1; 3. Hollow tube; 4. Base frame; 5. Bolt 2; 6. Scale groove; 7. Through hole; 8. Sawtooth bar; 9. Active pulley; 10. Opening; 11. Knob; 12. Insert plate; 13. Gear; 14. Slip ring; 15. Elastic belt; 16. Connecting belt; 17. Driven pulley; 18. Slide bar; 19. Arc rod; 20. Force shell; 21. Slide groove; 22. Ring groove; 23. Slot; 24. Pointer. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 2 , Figure 3 and Figure 4 The utility model provides an embodiment: a lifting, positioning and locking mechanism for sports equipment, comprising a hollow column 1 and a connecting belt 16, the outer wall of the hollow column 1 is rotatably connected with a knob 11, the end of the knob 11 penetrates the hollow column 1 and is fixedly connected with a driving pulley 9, the inner side of the rear hollow column 1 is rotatably connected with a driven pulley 17, the driving pulley 9 is transmission-connected with the driven pulley 17 through the connecting belt 16, the outer side of the driving pulley 9 is fixedly connected with a gear 13, the front side of the gear 13 is meshedly connected with a sawtooth bar 8, the outer side of the sawtooth bar 8 is fixedly connected with a force-bearing shell 20, a through hole 7 is opened in the middle of the outer wall of the hollow column 1, an arc rod 19 is fixedly connected to the outer side of the force-bearing shell 20, the end of the arc rod 19 penetrates the through hole 7, the outer wall of the hollow column 1 A positioning and locking assembly is installed at the lower part, and a mounting mechanism 2 is installed at the outer side of the arc rod 19; the front and rear sides of the force-bearing shell 20 are fixedly connected with a slide bar 18, and the front and rear sides of the inner wall of the hollow column 1 are provided with a slide groove 21, and the slide bar 18 is slidably connected with the corresponding slide groove 21 respectively; an annular groove 22 is provided at the outer bottom end of the hollow column 1, and a slip ring 14 is fixedly connected to the outer wall of the knob 11, and the slip ring 14 is slidably connected to the annular groove 22; the positioning and locking assembly includes an elastic band 15, the elastic band 15 is fixedly connected to the bottom end of the outer wall of the hollow column 1, and the end of the elastic band 15 is fixedly connected to the insert disk 12, the outer wall of the knob 11 is equidistantly provided with a plurality of openings 10, and the outer wall of the hollow column 1 is equidistantly provided with a plurality of card slots 23, and the end of the insert disk 12 passes through the knob 11 and is engaged with the card slot 23;

[0033] Specifically, firstly, by rotating the knob 11, the driving pulley 9 is driven to rotate synchronously, thereby driving the two gears 13 to rotate, and the rotation of the gear 13 is meshed with the sawtooth bar 8 to drive the sawtooth bar 8 and the force shell 20 to move up and down; this design allows the parallel bars to be adjusted according to the height of the user, meeting the needs of people of different heights; in the process of adjusting the height, the slide bar 18 and the slide groove 21 play a key role; the slide bar 18 slides in the slide groove 21 to limit the moving direction of the force shell 20, ensuring the stability and safety of the lifting process; in addition, the arc rod 19 also plays an important role; in the process of the force shell 20 moving, the arc rod 19 slides in the through hole 7 to drive the parallel bars to move up and down; when the parallel bars are raised to the required height, the insert plate 12 can play a role; the insert plate 12 is inserted into the opening 10, and at the same time, it passes through the opening 10 and engages with the card slot 23, so as to fix the angle of the knob 11; in this way, the parallel bars are accurately positioned at the required height and locked.

[0034] Reference Figure 1 , Figure 3 and Figure 5 The mounting mechanism 2 includes a right-angle plate 208, the bottom of the right-angle plate 208 is fixedly connected to the top of the arc rod 19, the top of the right-angle plate 208 is fixedly connected to the arc plate 207, the front left and right ends of the arc plate 207 are provided with sockets 209, the upper and middle parts of the front side of the right-angle plate 208 are fixedly connected to the fixing frame 205, the inner side of the fixing frame 205 is fixedly connected to the fixing rod 203, the outer wall left and right ends of the fixing rod 203 are provided with torsion springs 204, the torsion springs 204 The ends away from each other are fixedly connected to the left and right sides of the inner wall of the fixing frame 205, the middle part of the fixing rod 203 is rotatably connected with the rotating plate 202, the adjacent ends of the torsion spring 204 are fixedly connected to the middle parts of the left and right sides of the rotating plate 202, the left and right ends of the bottom of the rotating plate 202 are fixedly connected with the plug rod 201, the end of the plug rod 201 passes through the insertion hole 209, the inner side of the plug rod 201 is threadedly connected with a bolt 210, and a lever 206 is inserted between the rotating plate 202 and the arc plate 207;

[0035] Specifically, bolt 210 is removed from rod 201; in this process, it is necessary to keep rod 201 stable to avoid damage caused by improper operation; then, the torsion spring 204 rebounds with potential energy, driving the rotating plate 202 to flip; this step is to disconnect and merge the rotating plate 202 with the arc plate 207 for subsequent operations; when the rotating plate 202 and the arc plate 207 are disconnected and merged, the lever 206 is taken out; in this step, it is necessary to keep the integrity of the lever 206 to avoid damage during the disassembly process; the lever 206 is placed in the arc plate 207; in this step, it is necessary to ensure that the lever The position of 206 is accurate to ensure smooth subsequent operations; flip the rotating plate 202, and at the same time, the torsion spring 204 stores energy and is stressed, driving the rotating plate 202 to deform and flip; this step is to allow the insertion rod 201 to be smoothly inserted into the socket 209; after the insertion rod 201 is inserted into the socket 209, the lever 206 is clamped; in this step, attention should be paid to maintaining the stability of the lever 206 to ensure that it will not shift during use; take the bolt 210, insert it into the insertion rod 201, and complete the fixing process of the lever 206; in this step, attention should be paid to the tightness of the bolt 210 to ensure the stability and safety of the lever 206.

[0036] Reference Figure 1 and Figure 5 The front side of the outer wall of the hollow column 1 is equidistantly provided with a plurality of scale grooves 6, and the front side of the lever 206 is fixedly connected with a pointer 24; a plurality of hollow tubes 3 are equidistantly fixedly connected between the two hollow columns 1; a base frame 4 is fixedly connected to the bottom of the hollow column 1, and a bolt 5 is threadedly connected to the top of the base frame 4;

[0037] Specifically, the height suitable for the body height is judged by the cooperation between the pointer 24 on the parallel bars and the scale groove 6, and the connecting belt 16 is protected by the hollow tube 3. The connecting belt 16 runs through the hollow tube 3. At the same time, the hollow tube 3 can also be used for climbing and playing. The equipment is installed and fixed by the cooperation between the base frame 4 and the bolt 2 5.

[0038] Working principle: When the parallel bars in the sports equipment are lifted, positioned and locked, the rotating knob 11 rotates the driving pulley 9, and the rotation of the knob 11 drives the slip ring 14 to slide in the ring groove 22, planning the rotation trajectory of the knob 11. The rotation of the driving pulley 9 is driven by the connecting belt 16 to drive the driven pulley 17 to rotate synchronously, thereby rotating the two gears 13, and the rotation of the gear 13 is meshed with the sawtooth bar 8 to drive the sawtooth bar 8 and the load-bearing shell. 20 is lifted and lowered, and the slide bar 18 slides in the slide groove 21 through the movement of the force-bearing shell 20, which is used to limit the moving direction of the force-bearing shell 20. The arc rod 19 slides in the through hole 7 through the movement of the force-bearing shell 20, so that the parallel bars on the arc rod 19 are lifted and lowered. The height suitable for the height is judged by the cooperation of the pointer 24 on the parallel bars and the scale groove 6. After moving to the required height, the insert plate 12 is taken out and inserted into the opening 10, and the opening 10 is penetrated at the same time. The latch 23 is engaged with the latching groove 23, thereby fixing the angle of the knob 11, and then positioning and locking the parallel bars, so that the parallel bars can be used by people of different heights. When the lever 206 of the parallel bars becomes rusty or loses paint after long-term use, the bolt 210 is removed from the insertion rod 201, and the potential energy rebound of the torsion spring 204 drives the rotating plate 202 to flip, so that the rotating plate 202 and the arc plate 207 are disconnected and merged, and the lever 206 is taken out. When installing the lever 206, the lever 206 is placed in the arc plate 207, the rotating plate 202 is flipped, and the torsion spring 204 is energized and driven to deform and flip the rotating plate 202, so that the insertion rod 201 is inserted into the insertion hole 209, the lever 206 is clamped, and the bolt 210 is taken out and inserted into the insertion rod 201 to complete the fixing process of the lever 206. The step of disassembling the lever 206 is only to remove the bolt 210, and it can be quickly disassembled for maintenance or replacement, which is more time-saving and labor-saving.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting, positioning and locking mechanism for sports equipment, comprising a hollow column (1) and a connecting belt (16), characterized in that: The outer wall of the hollow column (1) is rotatably connected to a knob (11), the end of the knob (11) passes through the hollow column (1) and is fixedly connected to a driving pulley (9), the inner side of the rear hollow column (1) is rotatably connected to a driven pulley (17), the driving pulley (9) is transmission-connected to the driven pulley (17) via the connecting belt (16), the outer side of the driving pulley (9) is fixedly connected to a gear (13), the gear (13) 3) is meshedly connected with a sawtooth bar (8) on the front side, a load-bearing shell (20) is fixedly connected to the outer side of the sawtooth bar (8), a through hole (7) is opened in the middle of the outer wall of the hollow column (1), an arc-shaped rod (19) is fixedly connected to the outer side of the load-bearing shell (20), the end of the arc-shaped rod (19) passes through the through hole (7), a positioning locking assembly is installed in the middle and lower part of the outer wall of the hollow column (1), and a mounting mechanism (2) is installed on the outer side of the arc-shaped rod (19).

2. A sports equipment lifting, positioning and locking mechanism according to claim 1, characterized in that: The mounting mechanism (2) comprises a right-angle plate (208), the bottom of the right-angle plate (208) is fixedly connected to the top of the arc-shaped rod (19), the top of the right-angle plate (208) is fixedly connected to the arc-shaped plate (207), the front left and right ends of the arc-shaped plate (207) are both provided with insertion holes (209), the front upper middle part of the right-angle plate (208) is fixedly connected to a fixing frame (205), the inner side of the fixing frame (205) is fixedly connected to a fixing rod (203), the outer wall left and right ends of the fixing rod (203) are both provided with torsion springs (204), the torsion springs (204) are 4) are respectively fixedly connected to the left and right sides of the inner wall of the fixing frame (205), the middle part of the fixing rod (203) is rotatably connected to the rotating plate (202), the adjacent ends of the torsion spring (204) are respectively fixedly connected to the middle parts of the left and right sides of the rotating plate (202), the left and right ends of the bottom of the rotating plate (202) are fixedly connected to the insertion rod (201), the end of the insertion rod (201) passes through the insertion hole (209), the inner side of the insertion rod (201) is threadedly connected to a bolt (210), and a lever (206) is inserted between the rotating plate (202) and the arc plate (207).

3. A sports equipment lifting, positioning and locking mechanism according to claim 1, characterized in that: The positioning locking assembly comprises an elastic band (15), wherein the elastic band (15) is fixedly connected to the bottom end of the outer wall of the hollow column (1), and the end of the elastic band (15) is fixedly connected to an insert disk (12), the outer wall of the knob (11) is provided with a plurality of openings (10) at equal intervals, and the outer wall of the hollow column (1) is provided with a plurality of slots (23) at equal intervals, and the end of the insert disk (12) passes through the knob (11) and is engaged with the slot (23).

4. A sports equipment lifting, positioning and locking mechanism according to claim 1, characterized in that: The bottom of the hollow column (1) is fixedly connected to a base frame (4), and the top of the base frame (4) is threadedly connected to a second bolt (5).

5. A sports equipment lifting, positioning and locking mechanism according to claim 2, characterized in that: A plurality of scale grooves (6) are equidistantly provided on the front side of the outer wall of the hollow column (1), and a pointer (24) is fixedly connected to the front side of the lever (206).

6. A sports equipment lifting, positioning and locking mechanism according to claim 1, characterized in that: The front and rear sides of the load-bearing shell (20) are fixedly connected with sliding bars (18), the front and rear sides of the inner wall of the hollow column (1) are provided with sliding grooves (21), and the sliding bars (18) are respectively slidably connected with the corresponding sliding grooves (21).

7. A sports equipment lifting, positioning and locking mechanism according to claim 1, characterized in that: An annular groove (22) is provided at the outer bottom end of the hollow column (1), and a slip ring (14) is fixedly connected to the outer wall of the knob (11), and the slip ring (14) is slidably connected to the annular groove (22).

8. A sports equipment lifting, positioning and locking mechanism according to claim 1, characterized in that: A plurality of hollow tubes (3) are fixedly connected between the two hollow columns (1) at equal intervals.

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