A crawling machine

The innovative design of the frame structure solves the problems of large footprint, inconvenient storage and transportation of crawling fitness equipment, and enables convenient disassembly and assembly, reducing production costs and extending service life.

CN224320984UActive Publication Date: 2026-06-05YONGKANG ZHIJIA IND & TRADE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YONGKANG ZHIJIA IND & TRADE CO LTD
Filing Date
2025-04-18
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing crawling fitness equipment occupies a large area and is inconvenient to store and transport.

Method used

The frame structure includes a sliding slide, guide rail device and connecting seat. Through the cooperation of positioning protrusions and positioning holes, combined with rotatable pressure blocks and elastic elements, it can be quickly disassembled and assembled, reducing production errors and increasing stability and durability.

Benefits of technology

This technology enables easy disassembly and assembly of the crawler, reducing storage and transportation volume, lowering production costs, and extending service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of crawling machine, especially a kind of crawling machine, including rack, and the sliding seat is slidably arranged on the rack, and the rack includes two groups of guide rail devices, and connecting seat is arranged between the two groups of guide rail devices, and mounting groove is arranged on the connecting seat and is matched with guide rail device, positioning protrusion is arranged in mounting groove, positioning hole is arranged on guide rail device and is matched with positioning protrusion, positioning hole penetrates guide rail device, and pressing block is rotatably arranged on positioning protrusion, pressing block can pass through positioning hole, and pressing block can be rotated to positioning hole end side and avoid that positioning protrusion and positioning hole are separated, and the utility model aims at providing a kind of crawling machine with simple structure and convenient storage and transportation.
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Description

Technical Field

[0001] This utility model belongs to the field of crawler technology, and specifically relates to a crawler. Background Technology

[0002] Crawling refers to the act of moving on the ground. It is a horizontal movement. Traditional crawling activities are mostly carried out directly on the ground, and are easily affected by the venue and weather.

[0003] The fitness equipment industry has now developed a device that allows crawling exercises indoors. Internationally known as the Fitclo crawler, this device breaks the limitations of space and is an internationally recognized crawling fitness device. For example, Chinese utility model patent application CN 202220557224.2 discloses a simulated tactical training crawling auxiliary device, which includes a support body and a movable base. The support body includes a horizontally arranged crossbeam and longitudinally arranged parallel and adjustable slides on both sides of the crossbeam. The movable base is mounted on a fixed component via an elastic element and can slide horizontally on the slides. The fixed component is located at one end of the crossbeam and in the middle of the slides. The movable base includes two upper bases and two lower bases that match the human limbs. A front baffle and a rear baffle are also provided on the lower bases. The front baffle is fixedly located at the front end of the lower base, and the rear baffle is detachably installed at the rear end of the lower base, with adjustable spacing between the front and rear baffles.

[0004] However, in order to facilitate the user's body stretching during crawling, the above-mentioned structures generally have a large footprint, making it inconvenient to store and transport the crawling aid device. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a crawler with a simple structure and convenient storage and transportation.

[0006] The purpose of this utility model is achieved as follows:

[0007] A crawler includes a frame with a slide seat slidably mounted on it. The frame includes two sets of guide rail devices, and a connecting seat is provided between the two sets of guide rail devices. The connecting seat has a mounting groove adapted to the guide rail device, and a positioning protrusion is provided in the mounting groove. The guide rail device has a positioning hole adapted to the positioning protrusion, and the positioning hole penetrates the guide rail device. A pressure block is rotatably mounted on the positioning protrusion, and the pressure block can pass through the positioning hole and can rotate to the side of the end of the positioning hole to prevent the positioning protrusion from disengaging from the positioning hole.

[0008] The present invention is further configured such that: a hinge rod is provided on the pressure block, and a hinge hole adapted to the hinge rod is provided on the guide rail device; the hinge rod is rotatably disposed in the hinge hole and can rotate axially along the hinge hole; and an elastic element is provided between the pressure block and the guide rail device; the elastic element drives the pressure block to reset and presses the pressure block against the guide rail device.

[0009] The present invention is further configured such that: the pressure block includes a pressing part for pressing against the guide rail device, the pressing part and the hinge rod are arranged in a T shape, and the two ends of the pressing part can extend to both sides of the end of the positioning hole and press against the guide rail device respectively.

[0010] The present invention is further configured such that: the mounting groove is provided at the lower end of the connecting seat, the side of the mounting groove is provided with a side opening for the guide rail device to pass through, the positioning protrusion is provided at the upper end of the mounting groove and extends downward from the mounting groove, and the lower side of the guide rail device is provided with a storage groove for storing the pressure block.

[0011] The present invention is further configured such that: the end of the positioning hole is provided with an inclined guide surface, and the positioning protrusion can be guided into the positioning hole through the guide surface.

[0012] The present invention is further configured such that: a support wheel is rotatably provided on the lower side of the slide block, the guide rail device includes a slide rail, a support part and two sets of limiting parts are provided on the support wheel, the support part can abut against the upper end of the slide rail and support the slide block, and the two sets of limiting parts extend to both sides of the slide rail and can abut against both sides of the slide rail respectively.

[0013] The present invention is further configured such that: a wear-resistant pad is provided at the upper end of the slide rail, the wear-resistant pad extends along the length of the slide rail, the control slide block slides along the slide rail, and the support part abuts against the wear-resistant pad and moves along the wear-resistant pad.

[0014] The present invention is further configured such that: the guide rail device includes two slide rails, each slide rail is slidably provided with a slide seat, the two slide rails on the same guide rail device are connected by at least two connecting seats, each slide rail is provided with a connecting part adapted to the mounting groove and a positioning protrusion adapted to the positioning hole, and the connecting seat is respectively provided with a mounting groove adapted to the two slide rails on the same guide rail device.

[0015] The present invention is further configured such that: a guide groove is provided at the upper end of the guide rail device, a guide protrusion adapted to the guide groove is provided on the slide block, and an elastic rope is provided in the guide rail device, the guide protrusion passes through the guide groove and is connected to the elastic rope.

[0016] The present invention is further configured such that buffer pads are provided at both ends of the guide protrusion, and the buffer pads can respectively abut against both ends of the guide groove and prevent the guide protrusion from colliding with the end of the guide groove.

[0017] The advantages of this utility model compared to the prior art are:

[0018] 1. The frame of this utility model includes a connecting seat and two guide rail devices. The connecting seat and the guide rail devices are positioned by positioning protrusions and positioning holes, and are fixed by rotating pressure blocks. The structure is simple and convenient for the assembly and disassembly of the crawler. When the crawler needs to be stored and transported, the user can disassemble the guide rail devices from the connecting seat to facilitate the storage and transportation of the crawler. When the user uses the crawler for exercise, the user can quickly assemble the connecting seat and the guide rail devices for convenient use.

[0019] 2. The structure of the hinge rod and hinge hole in this utility model not only allows the pressure block and the connecting seat to rotate relative to each other, but also simplifies the structure, facilitates the contact or separation of the pressure block from the side of the positioning hole end, and makes it convenient to disassemble and assemble the connecting seat and the guide rail device. Furthermore, this structure allows the pressure block and the connecting seat to slide relative to each other, reducing the possibility that the pressure block cannot rotate to the side of the positioning hole end due to production or installation errors, thus facilitating user control. The T-shaped clamping part and hinge rod facilitate the extension of the pressure block to both sides of the positioning hole end, which is beneficial for the pressure block to be evenly stressed and for the stable installation of the connecting seat and the guide rail device.

[0020] 3. In this utility model, since the mounting groove is located at the lower end of the connecting seat and the positioning protrusion is located at the upper end of the mounting groove, the positioning protrusion is not easy to detach from the positioning hole during use, which is conducive to the stable installation of the connecting seat and the guide rail device. In addition, since the guide rail device has a storage groove for storing the pressure block on the lower side, it prevents other objects from causing the pressure block to rotate during the use of the crawler and prevents it from being pressed into the positioning hole during use. The setting of the guide surface facilitates the quick installation of the positioning protrusion and the positioning hole, which is convenient for the rapid assembly of the crawler and convenient for the user.

[0021] 4. The support part in this utility model is conducive to the stable sliding of the slide block, while the limiting part is conducive to the sliding of the slide block along the extension direction of the slide rail, avoiding the slide block from tilting and shaking to both sides of the slide rail during use; the wear-resistant pad is conducive to reducing the wear of the slide rail during use and extending the service life of the guide rail; the two slide rails and multiple connecting seats help to reduce the types of parts of the crawler and reduce the production cost of the crawler, and this structure is also conducive to reducing the volume of the crawler when it is moved and stored, making the storage and transportation of the crawler convenient.

[0022] 5. The guide groove and guide protrusion in this utility model facilitate the stable sliding of the slide block, and this structure is conducive to the concealment of the elastic rope, avoiding other objects from affecting the extension and contraction of the elastic rope during use, and preventing other objects from damaging the elastic rope; the buffer pad can prevent the guide protrusion from colliding with the end of the guide groove during use, which helps to extend the service life of the guide rail device and the slide block. Attached Figure Description

[0023] Figure 1This is one of the structural schematic diagrams of Embodiment 1 of this utility model;

[0024] Figure 2 This is the second structural schematic diagram of Embodiment 1 of this utility model;

[0025] Figure 3 This is an exploded view of Embodiment 1 of this utility model;

[0026] Figure 4 This is a schematic diagram of the installation structure of the slide block and elastic rope on the slide rail in this utility model;

[0027] Figure 5 This is a cross-sectional view of the installation structure of the slide block and elastic rope on the slide rail in this utility model;

[0028] Figure 6 This is an exploded schematic diagram of the slide rail in this utility model;

[0029] Figure 7 This is an exploded view of the connecting seat in Embodiment 1 of this utility model;

[0030] Figure 8 This is a cross-sectional view of the connecting seat in Embodiment 1 of this utility model;

[0031] Figure 9 This is a schematic diagram of the slide block structure in this utility model;

[0032] Figure 10 This is a structural schematic diagram of Embodiment 2 of this utility model;

[0033] Figure 11 This is a partial structural schematic diagram of Embodiment 2 of this utility model;

[0034] Figure 12 This is a schematic diagram of the connecting seat in Embodiment 2 of this utility model.

[0035] The labels in the diagram have the following meanings: 1-Slide rail; 11-Connecting part; 12-Positioning hole; 13-Guide groove; 14-Wear-resistant pad; 15-Guide surface; 16-Storage groove; 17-Anti-slip pad; 18-Rope groove; 19-Pulley; 111-Upper shell; 112-Base plate; 2-Connecting seat; 21-Connecting seat body; 22-Connecting plate; 23-First screw; 24-Mounting groove; 25-Positioning protrusion; 26-Mounting cavity; 27-Hinge hole; 28-Side opening; 3-Slide seat; 31-Guide protrusion; 32-Support wheel; 311-Buffer pad; 312-Slot; 321-Support part; 322-Limiting part; 4-Pressure block; 41-Firming part; 42-Hinge rod; 43-Second screw; 5-Elastic rope; 51-Connecting head; 6-Elastic element. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0037] See Figures 1 to 12 As shown, a crawler includes a frame with a sliding base 3 slidably mounted on it. The frame includes two sets of guide rail devices, with a connecting seat 2 between them. The connecting seat 2 has a mounting groove 24 adapted to the guide rail device, and a positioning protrusion 25 is provided in the mounting groove 24. The guide rail device has a positioning hole 12 adapted to the positioning protrusion 25, which penetrates the guide rail device. A pressure block 4 is rotatably mounted on the positioning protrusion 25, which can pass through the positioning hole 12 and rotate towards the end side of the positioning hole 12. To prevent the positioning protrusion 25 from detaching from the positioning hole 12, the frame in this structure includes a connecting seat 2 and two guide rail devices. The connecting seat 2 and the guide rail devices are positioned by the positioning protrusion 25 and the positioning hole 12, and are fixed by the rotating pressure block 4. The structure is simple and convenient for the assembly and disassembly of the crawler. When the crawler needs to be stored and transported, the user can disassemble the guide rail device from the connecting seat 2 to facilitate the storage and transportation of the crawler. When the user uses the crawler for exercise, the user can quickly assemble the connecting seat 2 and the guide rail device for convenient use.

[0038] The pressure block 4 described in this utility model is provided with a hinge rod 42, and the guide rail device is provided with a hinge hole 27 adapted to the hinge rod 42. The hinge rod 42 is rotatably disposed in the hinge hole 27 and can rotate axially along the hinge hole 27. An elastic element 6 is provided between the pressure block 4 and the guide rail device. The elastic element 6 drives the pressure block 4 to reset and press the pressure block 4 against the guide rail device. The structure of the hinge rod 42 and the hinge hole 27 not only allows the pressure block 4 and the connecting seat 2 to rotate relative to each other, but also has a simple structure, making it easy for the pressure block 4 to contact or detach from the end side of the positioning hole 12, and facilitating the disassembly and assembly of the connecting seat 2 and the guide rail device. Furthermore, this structure allows the pressure block 4 and the connecting seat 2 to slide relative to each other, reducing the possibility that the pressure block 4 cannot rotate to the end side of the positioning hole 12 due to production errors or installation errors, and making it convenient for users to use and control.

[0039] Preferably, the pressure block 4 includes a clamping part 41 for clamping the guide rail device. The clamping part 41 and the hinge rod 42 are arranged in a T-shape. Both ends of the clamping part 41 can extend to both sides of the end of the positioning hole 12 and clamp onto the guide rail device respectively. The T-shaped clamping part 41 and the hinge rod 42 facilitate the extension of the pressure block 4 to both sides of the end of the positioning hole 12, facilitate the uniform force on the pressure block 4, and facilitate the stable installation of the connecting seat 2 and the guide rail device.

[0040] The connecting seat 2 includes a connecting seat body 21 and a connecting plate 22. The connecting seat body 21 and the connecting plate 22 are relatively fixed by a first screw 23. A mounting groove 24 is provided on the connecting seat body 21, and a hinge hole 27 is provided on the connecting plate 22. A mounting cavity 26 is provided between the connecting seat body 21 and the connecting plate 22. The hinge rod 42 passes through the hinge hole 27 and enters the mounting cavity 26. The elastic element 6 is a compression spring. The compression spring is provided in the mounting cavity 26 and sleeved on the hinge rod 42. A second screw 43 is detachably provided at the end of the hinge rod 42. One end of the compression spring abuts against the connecting plate 22, and the other end of the compression spring abuts against the second screw 43.

[0041] Preferably, the mounting groove 24 is located at the lower end of the connecting seat 2. The side of the mounting groove 24 is provided with a side opening 28 for the guide rail device to pass through. The positioning protrusion 25 is located at the upper end of the mounting groove 24 and extends downward from the mounting groove 24. The lower side of the guide rail device is provided with a storage groove 16 for storing the pressure block 4. During use, the positioning protrusion 25 is not easy to detach from the positioning hole 12, which is conducive to the stable installation of the connecting seat 2 and the guide rail device. Furthermore, since the lower side of the guide rail device is provided with a storage groove 16 for storing the pressure block 4, it is possible to prevent other objects from causing the pressure block 4 to rotate during the use of the crawler, and to prevent it from being pressed into the positioning hole 12 during use.

[0042] An inclined guide surface 15 is provided at the end of the positioning hole 12. The positioning protrusion 25 can be guided into the positioning hole 12 through the guide surface 15. The guide surface 15 facilitates the quick installation of the positioning protrusion 25 and the positioning hole 12, making it convenient for the crawler to be assembled quickly and for the user to use.

[0043] The guide rail device described in this utility model is provided with a guide groove 13 at the upper end, and a guide protrusion 31 adapted to the guide groove 13 is provided on the slide block 3. An elastic rope 5 is provided in the guide rail device. The guide protrusion 31 passes through the guide groove 13 and is connected to the elastic rope 5. The arrangement of the guide groove 13 and the guide protrusion 31 facilitates the stable sliding of the slide block 3. This structure is also conducive to the concealment of the elastic rope 5, avoiding other objects from affecting the extension and contraction of the elastic rope 5 during use, and preventing other objects from damaging the elastic rope 5.

[0044] Both ends of the guide protrusion 31 are provided with buffer pads 311. The buffer pads 311 can abut against both ends of the guide groove 13 and prevent the guide protrusion 31 from colliding with the end of the guide groove 13. The buffer pads 311 can prevent the guide protrusion 31 from colliding with the end of the guide groove 13 during use, which is beneficial to extending the service life of the guide rail device and the slide block 3.

[0045] The slide block 3 is rotatably provided with a support wheel 32 on its lower side. The guide rail device includes a slide rail 1. The support wheel 32 is provided with a support part 321 and two sets of limiting parts 322. The support part 321 can abut against the upper end of the slide rail 1 and support the slide block 3. The two sets of limiting parts 322 extend to both sides of the slide rail 1 and can abut against both sides of the slide rail 1 respectively. The setting of the support part 321 is conducive to the stable sliding of the slide block 3, while the setting of the limiting parts 322 is conducive to the sliding of the slide block 3 along the extension direction of the slide rail 1, and avoids the slide block 3 from tilting and shaking to both sides of the slide rail 1 during use.

[0046] The slide rail 1 described in this utility model includes a detachably connected upper shell 111 and a bottom plate 112. A rope groove 18 and a pulley 19 are provided between the upper shell 111 and the bottom plate 112. An elastic rope 5 is installed in the rope groove 18 and is reversed by the pulley 19. A guide protrusion 31 is provided with a slot 312. Both ends of the elastic rope 5 are provided with connectors 51. One end of the connector 51 is locked in the rope groove 18, and the other end of the connector 51 is locked in the slot 312. An anti-slip pad 17 is provided under the bottom plate 112 to prevent the slide rail 1 from sliding relative to each other on the ground during use.

[0047] Preferably, a wear-resistant pad 14 is provided on the upper end of the slide rail 1. The wear-resistant pad 14 extends along the length of the slide rail 1, controls the slide block 3 to slide along the slide rail 1, and the support part 321 abuts against the wear-resistant pad 14 and moves along the wear-resistant pad 14. The setting of the wear-resistant pad 14 helps to reduce the wear of the slide rail 1 during use and extend the service life of the guide rail.

[0048] The guide rail device described in this utility model may include only one slide rail 1, or it may include two slide rails 1. Specific embodiments are as follows:

[0049] Example 1

[0050] In this embodiment, the guide rail device includes only one slide rail 1. The two guide rail devices are connected to the connecting seat 2 to form a straight structure. With this structure, the user can drive the slide seats 3 on the two slide rails 1 with both hands to perform proportional training. The user can also step on the slide seats 3 on the two slide rails 1 with both feet to perform skiing training.

[0051] Example 2

[0052] The guide rail device described in this embodiment includes two slide rails 1, each with a sliding seat 3 slidably mounted on it. The user's limbs can control the sliding seats 3 on each slide rail 1 and perform crawling movements.

[0053] Preferably, the two slide rails 1 on the same guide rail device are connected by at least two connecting seats 2. Each slide rail 1 is provided with a connecting part 11 adapted to the mounting groove 24 and a positioning protrusion 25 adapted to the positioning hole 12. The connecting seats 2 are respectively provided with mounting grooves 24 adapted to the two slide rails 1 on the same guide rail device. In this structure, since the two slide rails 1 are connected by at least two connecting seats 2, it is beneficial to reduce the types of parts of the crawler, thereby reducing the production cost of the crawler. In addition, this structure facilitates the disassembly of the guide rail device, reduces the volume of the crawler when moving and storing, and facilitates the storage and transportation of the crawler.

[0054] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A crawler, comprising a frame, wherein a slide block (3) is slidably disposed on the frame, characterized in that: The frame includes two sets of guide rail devices, and a connecting seat (2) is provided between the two sets of guide rail devices. The connecting seat (2) is provided with a mounting groove (24) adapted to the guide rail device. A positioning protrusion (25) is provided in the mounting groove (24). A positioning hole (12) adapted to the positioning protrusion (25) is provided on the guide rail device. The positioning hole (12) passes through the guide rail device. A pressure block (4) is rotatably provided on the positioning protrusion (25). The pressure block (4) can pass through the positioning hole (12), and the pressure block (4) can rotate toward the end side of the positioning hole (12) to prevent the positioning protrusion (25) from disengaging from the positioning hole (12).

2. A crawler according to claim 1, characterized in that: The pressure block (4) is provided with a hinge rod (42), and the guide rail device is provided with a hinge hole (27) adapted to the hinge rod (42). The hinge rod (42) is rotatably disposed in the hinge hole (27) and can rotate along the axial direction of the hinge hole (27). An elastic element (6) is provided between the pressure block (4) and the guide rail device. The elastic element (6) drives the pressure block (4) to reset and presses the pressure block (4) against the guide rail device.

3. A crawler according to claim 2, characterized in that: The pressure block (4) includes a pressing part (41) for pressing against the guide rail device. The pressing part (41) and the hinge rod (42) are arranged in a T-shape. Both ends of the pressing part (41) can extend to both sides of the end of the positioning hole (12) and press against the guide rail device respectively.

4. A crawler according to claim 1, 2, or 3, characterized in that: The mounting groove (24) is located at the lower end of the connecting seat (2). The side of the mounting groove (24) is provided with a side opening (28) for the guide rail device to pass through. The positioning protrusion (25) is located at the upper end of the mounting groove (24) and extends downward to the mounting groove (24). The lower side of the guide rail device is provided with a storage groove (16) for storing the pressure block (4).

5. A crawler according to claim 4, characterized in that: The end of the positioning hole (12) is provided with an inclined guide surface (15), and the positioning protrusion (25) can be guided through the guide surface (15) to enter the positioning hole (12).

6. A crawler according to claim 1, 2, 3, or 5, characterized in that: The slide (3) is rotatably provided with a support wheel (32) on its lower side. The guide rail device includes a slide rail (1). The support wheel (32) is provided with a support part (321) and two sets of limiting parts (322). The support part (321) can abut against the upper end of the slide rail (1) and support the slide (3). The two sets of limiting parts (322) extend to both sides of the slide rail (1) and can abut against both sides of the slide rail (1) respectively.

7. A crawler according to claim 6, characterized in that: The upper end of the slide rail (1) is provided with a wear-resistant pad (14). The wear-resistant pad (14) extends along the length of the slide rail (1) to control the slide block (3) to slide along the slide rail (1). The support part (321) abuts against the wear-resistant pad (14) and moves along the wear-resistant pad (14).

8. A crawler according to claim 1, 2, 3, 5, or 7, characterized in that: The guide rail device includes two slide rails (1), each slide rail (1) is slidably provided with a slide seat (3), the two slide rails (1) on the same guide rail device are connected by at least two connecting seats (2), each slide rail (1) is provided with a connecting part (11) adapted to the mounting groove (24) and a positioning protrusion (25) adapted to the positioning hole (12), and the connecting seat (2) is provided with a mounting groove (24) adapted to the two slide rails (1) on the same guide rail device.

9. A crawler according to claim 1, 2, 3, 5, or 7, characterized in that: The upper end of the guide rail device is provided with a guide groove (13), and the slide (3) is provided with a guide protrusion (31) that is adapted to the guide groove (13). An elastic rope (5) is provided in the guide rail device, and the guide protrusion (31) passes into the guide groove (13) and is connected to the elastic rope (5).

10. A crawler according to claim 9, characterized in that: Both ends of the guide protrusion (31) are provided with buffer pads (311). The buffer pads (311) can abut against both ends of the guide groove (13) and prevent the guide protrusion (31) from colliding with the end of the guide groove (13).