A telescopic crowbar

By designing a back clip and limiting structure for the telescopic crowbar, the problems of time-consuming and laborious use and easy loss of small crowbars are solved, achieving a stable clamping, time-saving and labor-saving, and safe and reliable user experience.

CN224394548UActive Publication Date: 2026-06-23KAIFENG CHIXI ARTS & CRAFTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing small crowbars are short and lack clamping and fixing structures, making them time-consuming, laborious to use, inconvenient to carry, and easy to lose.

Method used

Design a telescopic pry bar that uses a back clamp to slide under the action of a spring on a guide rod. Combined with a limiting platform and a receiving groove structure, it achieves a stable and reliable clamping. Furthermore, the use of a detachable conical block and a locking groove structure enhances time-saving, labor-saving, and carrying safety.

Benefits of technology

It achieves a stable clamping of objects of different thicknesses, preventing them from slipping out. It is compact when retracted, saving time and effort to use, is safe and reliable to carry, and is quick to disassemble.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a telescopic crowbar, including bottom shell, still include the crowbar body of sliding setting in the bottom shell, be used for locking the locking assembly of crowbar body position, the cover of separable connection with bottom shell, be provided with the pusher for driving crowbar body to slide out bottom shell on the cover, the outside of bottom shell is provided with back clamp, the side of bottom shell is provided with slide hole, back clamp is along the vertical bottom shell surface direction and is slidably arranged in the slide hole, the side of cover is provided with guide hole, is provided with the guide rod of being connected with back clamp in guide hole, the outside of guide rod is equipped with spring, the utility model provides a telescopic crowbar, the connecting portion of back clamp is under the action of spring on guide rod and slides in the slide hole, make back clamp's adjustment range be bigger, back clamp is more stable and reliable when clamping the clamping object of different thickness, avoided back clamp to come off the clamping object, back clamp is more small and exquisite when retracting, the use of small crowbar is more time -saving and labor -saving, and the carrying is more safe and reliable.
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Description

Technical Field

[0001] This utility model relates to the field of everyday tools technology, specifically to a telescopic crowbar. Background Technology

[0002] A miniature crowbar is a portable tool designed for everyday carry. It's a miniaturized version of a traditional industrial crowbar, utilizing leverage to achieve a "small but powerful" effect. Suitable for outdoor adventures, emergency rescues, and everyday use, it has become an important part of the EDC (Everyday Carry) enthusiast's toolkit. The EDC miniature crowbar serves both as a practical tool for handling unexpected needs and as a stress-relieving toy or collectible, integrating into EDC culture, standing out for its portability and versatility.

[0003] However, existing small crowbars are strip-shaped structures with relatively short overall length. They are not only time-consuming and laborious to use, but also easy to lose when carried due to the lack of a clamping and fixing structure. The reliability of carrying and using small crowbars is poor. This solution addresses this technical problem. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a telescopic pry bar. The connecting part of the back clip slides within a sliding hole under the action of a spring on the guide rod, resulting in a wider adjustment range for the back clip. This makes the back clip more stable and reliable when clamping objects of different thicknesses. The setting of the limiting platform prevents the back clip from slipping out of the clamped object. The clamping part is accommodated by the receiving groove, and the limiting platform is accommodated by the positioning hole, making the back clip more compact when retracted. The small pry bar is more time-saving and labor-saving to use, and safer and more reliable to carry.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a telescopic crowbar, including a bottom shell, a crowbar body slidably disposed in the bottom shell, a locking component for locking the position of the crowbar body, and a cover detachably connected to the bottom shell. The cover is provided with a push block for driving the crowbar body to slide out of the bottom shell. The push block is slidably disposed on the cover. A back clip is provided on the outer side of the bottom shell.

[0006] A sliding hole is provided through the side of the bottom shell. The back clip is slidably disposed in the sliding hole in a direction perpendicular to the surface of the bottom shell. A guide hole is provided on the side of the cover. A guide rod connected to the back clip is disposed in the guide hole. A spring is sleeved on the outside of the guide rod. One end of the spring is connected to the guide rod, and the other end of the spring is in contact with the bottom shell.

[0007] The inner edge of the bottom shell is provided with a plurality of connecting screws arranged in a circumferential array. The side of the cover is provided with a corresponding locking groove for accommodating the nut of the connecting screw. The size of the opening on one side of the locking groove is larger than the size of the nut of the connecting screw, and the size of the opening on the other side of the locking groove is smaller than the size of the nut of the connecting screw. The nut of the connecting screw abuts against the bottom of the locking groove. The end of the bottom shell is provided with a threaded through hole. The back clip and the guide rod are fastened together by a locking screw passing through the threaded through hole. The end of the bottom shell is provided with a locking block connected to the threaded through hole. The locking block is used to press the locking groove on the cover against the outside of the connecting screw.

[0008] The back clip includes a connecting part connected to the bottom shell and a clamping part connected to the connecting part at one end. The connecting part is slidably disposed in the sliding hole, and the locking screw passes through the connecting part and the guide rod in sequence.

[0009] The inner side of the bottom shell is provided with a sliding groove, and the two sides of the crowbar body are slidably disposed in the sliding groove. The bottom end of the crowbar body is provided with a conical block, and the two ends of the bottom shell are provided with conical grooves for accommodating the conical block.

[0010] An adjusting screw is provided on the side of the crowbar body, the conical block is connected to one end of the adjusting screw, and a clamping screw is provided on the side of the crowbar body for clamping the other end of the adjusting screw.

[0011] The bottom shell has a receiving groove on its side for accommodating the clamping part, and the sliding hole is disposed in the receiving groove.

[0012] The other end of the clamping part is provided with a limiting platform, and the receiving groove is provided with a positioning hole for accommodating the limiting platform.

[0013] The bottom shell has a limiting groove on its side, and the inner side of the cover is provided with a limiting block corresponding to the limiting groove. The limiting block is detachably inserted into the limiting groove.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] (1) The connecting part of the back clip slides in the sliding hole under the action of the spring on the guide rod, which makes the adjustment range of the back clip larger, thus making the back clip more stable and reliable when clamping objects of different thicknesses. The setting of the limiting platform prevents the back clip from falling out of the clamped object. The clamping part is accommodated by the receiving groove and the limiting platform is accommodated by the positioning hole, making the back clip smaller in size when retracted. The use of the small pry bar is more time-saving and labor-saving, and the carrying is safer and more reliable.

[0016] (2) By detachably installing a conical block on the pry bar body, on the one hand, the pry bar body is limited to prevent it from coming out of the bottom shell. On the other hand, while the pry bar body is limited by the sliding groove, the conical block contacts the conical grooves at both ends of the bottom shell to limit the movement. The contact area between the pry bar body and the bottom shell is larger, and the bottom shell's limitation on the pry bar body is more stable and reliable. The use of the pry bar is time-saving, labor-saving, safe and reliable.

[0017] (3) The locking groove of the cover is detachably connected to the connecting screw on the bottom shell, and the size of the opening on one side of the locking groove is larger than the size of the nut in the connecting screw, while the size of the opening on the other side of the locking groove is smaller than the size of the nut in the connecting screw. The cover is pressed onto the connecting screw on the bottom shell by the locking block. On the one hand, the cover is quick to install and remove, and on the other hand, the bolt holes are not exposed. The pry bar is easy to remove and quick to use, and it is safer and more reliable to carry and use. Attached Figure Description

[0018] Figure 1 This is an exploded view of the connection structure between the bottom shell and the cover of this utility model. Figure 1 ;

[0019] Figure 2 This is an exploded view of the connection structure between the bottom shell and the cover of this utility model. Figure 2 ;

[0020] Figure 3 This is a partial planar structural schematic diagram of the cover of this utility model;

[0021] Figure 4 This is a schematic diagram of the locking groove of this utility model;

[0022] Figure 5 This is an exploded view of the connection structure between the crowbar body and the bottom shell of this utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the crowbar body of this utility model;

[0024] Figure 7 This is a schematic diagram of the connection structure between the crowbar conical block and the conical groove of this utility model;

[0025] Figure 8 This is a schematic diagram of the structure of the conical block of this utility model.

[0026] In the diagram: 1. Bottom shell; 11. Sliding hole; 12. Threaded through hole; 13. Sliding groove; 14. Conical groove; 15. Receiving groove; 16. Positioning hole; 17. Limiting groove; 2. Crowbar body; 21. Conical block; 22. Adjusting screw; 23. Clamping screw; 3. Protective cover; 31. Guide hole; 32. Locking groove; 33. Limiting block; 4. Back clamp; 41. Connecting part; 42. Clamping part; 421. Limiting platform; 5. Guide rod; 6. Spring; 7. Connecting screw; 8. Locking screw; 9. Locking block. Detailed Implementation

[0027] To more clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0028] Example 1: See Figures 1-8 A telescopic crowbar includes a base shell 1, a crowbar body 2 slidably disposed within the base shell 1, a locking component for locking the position of the crowbar body 2, and a cover 3 detachably connected to the base shell 1. The cover 3 is provided with a push block for driving the crowbar body 2 to slide out of the base shell 1. The push block is slidably disposed on the cover 3 and is connected to the crowbar body 2. The crowbar body 2 slides out of the base shell 1 by pushing the push block. A back clip 4 is provided on the outer side of the base shell 1.

[0029] The purpose of the locking component is to lock the position of the crowbar body 2 inside the bottom shell 1. The locking component includes a swing block disposed inside the bottom shell 1. A slot is provided on the side of the crowbar body 2. When the conical block 21 of the crowbar body 2 contacts the conical groove 14 of the bottom shell 1, the swing block is operated to swing, so that the swing block engages with the slot, thereby preventing the crowbar body 2 from sliding. The locking component is implemented using existing technology and will not be described in detail here.

[0030] A sliding hole 11 is provided through the side of the bottom shell 1. The back clip 4 is slidably disposed in the sliding hole 11 in a direction perpendicular to the surface of the bottom shell 1. A guide hole 31 is provided on the side of the cover 3. A guide rod 5 connected to the back clip 4 is disposed in the guide hole 31. A spring 6 is sleeved on the outside of the guide rod 5. One end of the spring 6 is connected to the guide rod 5, and the other end of the spring 6 is in contact with the bottom shell 1. Specifically, one end of the guide rod 5 is provided with a boss, and the guide rod 5 is abutted against the boss. The other end of the spring 6 abuts against the edge of the sliding hole 11 on the bottom shell 1. When the back clip 4 drives the guide rod 5 to slide in the guide hole 31, the spring 6 is compressed, so that the back clip 4 generates elastic force to clamp the object.

[0031] A plurality of connecting screws 7 are arranged in a circumferential array along the inner edge of the bottom shell 1. A locking groove 32 for accommodating the nut in the connecting screw 7 is provided at a corresponding position on the side of the cover 3. The size of the opening on one side of the locking groove 32 is larger than the size of the nut in the connecting screw 7, and the size of the opening on the other side of the locking groove 32 is smaller than the size of the nut in the connecting screw 7. The nut of the connecting screw 7 is abutted against the bottom of the locking groove 32. A threaded through hole 12 is provided at the end of the bottom shell 1. The back clip 4 and the guide rod 5 are fastened together by a locking screw 8 passing through the threaded through hole 12. A locking block 9 connected to the threaded through hole 12 is provided at the end of the bottom shell 1. The locking block 9 is used to press the locking groove 32 on the cover 3 against the outside of the connecting screw 7.

[0032] The back clip 4 includes a connecting part 41 connected to the bottom shell 1 and a clamping part 42 connected to the connecting part 41 at one end. The connecting part 41 is slidably disposed in the sliding hole 11, and the locking screw 8 passes through the connecting part 41 and the guide rod 5 in sequence.

[0033] The inner side of the bottom shell 1 is provided with a sliding groove 13, and the two sides of the crowbar body 2 are slidably disposed in the sliding groove 13. The bottom end of the crowbar body 2 is provided with a conical block 21, and the two ends of the bottom shell 1 are provided with conical grooves 14 for accommodating the conical block 21.

[0034] The pry bar body 2 has an adjusting screw 22 on its side. The conical block 21 is connected to one end of the adjusting screw 22. Specifically, one end of the adjusting screw 22 has a connecting rod, and the conical block 21 has a connecting hole. The connecting rod is inserted into the connecting hole of the conical block 21. By adjusting the depth of the adjusting screw 22 in the pry bar body 2, the degree of clamping between the conical block 21 and the conical groove 14 can be adjusted, thereby making the pry bar body 2 more stable in the bottom shell 1. The pry bar body 2 also has a clamping screw 23 on its side for clamping the other end of the adjusting screw 22.

[0035] The bottom shell 1 has a receiving groove 15 on its side for accommodating the clamping part 42, and a sliding hole 11 is provided in the receiving groove 15.

[0036] The other end of the clamping part 42 is provided with a limiting stage 421, and the receiving groove 15 is provided with a positioning hole 16 for accommodating the limiting stage 421.

[0037] A limiting groove 17 is provided on the side of the bottom shell 1, and a limiting block 33 corresponding to the limiting groove 17 is provided on the inner side of the cover 3. The limiting block 33 can be detachably inserted into the limiting groove 17.

[0038] The specific working process of this utility model:

[0039] When in use, by operating the push block, the crowbar body 2 slides out of the bottom shell 1. The crowbar body 2 slides in the groove 13 of the bottom shell 1 until the conical block 21 on the crowbar body 2 contacts and abuts against the conical groove 14 at one end of the bottom shell 1. The crowbar body 2 is locked in the bottom shell 1 by the locking component. At this time, the crowbar can be used by holding the bottom shell 1.

[0040] By detachably installing a conical block 21 on the crowbar body 2, the crowbar body 2 is limited to prevent it from coming off the bottom shell 1. At the same time, while the crowbar body 2 is limited by the sliding groove 13, the conical block 21 contacts and limits the crowbar body 2 with the conical grooves 14 at both ends of the bottom shell 1. The contact area between the crowbar body 2 and the bottom shell 1 is larger, and the bottom shell 1 provides a more stable and reliable limit for the crowbar body 2. The crowbar is time-saving, labor-saving, safe and reliable to use.

[0041] When it is necessary to disassemble and replace the pry bar body 2, first loosen the locking block 9 by unscrewing it. Push the cover 3 along the direction of the locking block 9. The limiting block 33 slides in the limiting groove 17 until the nut of the connecting screw 7 is at the larger end of the opening of the locking groove 32. Then, hold the cover 3 and move it in the direction perpendicular to the connecting screw 7, so that the nut of the connecting screw 7 disengages from the limiting groove 17, thereby removing the cover 3. Then loosen and remove the clamping screw 23 and the adjusting screw 22. At this time, the conical block 21 separates from the pry bar body 2, and the pry bar body 2 can be removed. The body 2 is pulled out from the bottom shell 1 to replace the new pry bar body 2. Then, the adjusting screw 22 is passed through the new pry bar body 2 and connected to the conical block 21. Finally, the adjusting screw 22 is tightened by the clamping screw 23 to prevent the adjusting screw 22 from loosening. Finally, the locking groove 32 of the cover 3 is put into the outside of the nut in the connecting screw 7, and the locking block 9 is tightened so that the locking block 9 presses the cover 3 tightly, so that the connecting screw 7 and the locking groove 32 are firmly abutted, thus completing the replacement of the pry bar body 2 and the disassembly and installation of the cover 3.

[0042] The locking groove 32 of the cover 3 is detachably connected to the connecting screw 7 on the bottom shell 1. The size of the opening on one side of the locking groove 32 is larger than the size of the nut in the connecting screw 7, and the size of the opening on the other side of the locking groove 32 is smaller than the size of the nut in the connecting screw 7. The cover 3 is pressed tightly onto the connecting screw 7 on the bottom shell 1 by the locking block 9. On the one hand, the installation and removal of the cover 3 is quick and easy, and on the other hand, the bolt holes are not exposed. The pry bar is easy and quick to remove, and it is safer and more reliable to carry and use.

[0043] When it is necessary to use the back clip 4 to clamp the pry bar to clothing pockets or backpacks, pull the clamping part 42 of the back clip 4. At this time, the connecting part 41 of the back clip 4 overcomes the elastic force of the spring 6 and slides out from the sliding hole 11. After inserting the back clip 4 into the strap of the clothing or backpack, release the back clip 4. Under the action of the spring 6, the back clip 4 is clamped to the clothing or backpack.

[0044] The connecting part 41 of the back clip 4 slides in the sliding hole 11 under the action of the spring 6 on the guide rod 5, avoiding the disadvantages of conventional back clips that generate clamping force through deformation, resulting in a small clamping range and unstable clamping. This makes the adjustment range of the back clip 4 larger, thus making the back clip 4 more stable and reliable when clamping objects of different thicknesses. The setting of the limiting platform 421 prevents the back clip 4 from falling out of the clamped object. The clamping part 42 is accommodated by the receiving groove 15, and the limiting platform 421 is accommodated by the positioning hole 16, making the back clip 4 more compact when retracted, avoiding the back clip 4 from tilting. The use of the small pry bar is more time-saving and labor-saving, and the carrying is safer and more reliable.

[0045] Example 2: Based on Example 1, the bottom shell 1 is provided with a drive assembly for driving the pry bar body to slide, a push block connected to the drive assembly and the locking assembly. When the push block is pushed, the locking assembly releases the pry bar body 2, and at the same time the drive assembly drives the pry bar body 2, so that the pry bar body 2 slides out of the bottom shell 1, so that the conical block 21 of the pry bar body 2 contacts the conical groove 14 at one end of the bottom shell 1, and is further locked by the locking assembly. When it is necessary to retract, the push block is pushed in the opposite direction, the locking assembly releases the pry bar body 2 again, and the drive assembly drives the pry bar body 2 to slide into the bottom shell 1 in the opposite direction, so that the conical block 21 on the pry bar body 2 contacts the conical groove 14 at the other end of the bottom shell 1, thereby realizing the automatic extension and retraction function of the pry bar body 2. The rest of the structure is the same as in Example 1, and will not be described in detail here.

[0046] The technical features of this utility model not described can be implemented by or by using existing technology, and will not be repeated here. Of course, the above description is not a limitation of this utility model, and this utility model is not limited to the examples above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model should also be within the protection scope of this utility model.

Claims

1. A telescopic crowbar, comprising a base shell (1), characterized in that, It also includes a crowbar body (2) that is slidably disposed in the bottom shell (1), a locking component for locking the position of the crowbar body (2), and a cover (3) that is detachably connected to the bottom shell (1). The cover (3) is provided with a push block for driving the crowbar body (2) to slide out of the bottom shell (1). The push block is slidably disposed on the cover (3). A back clip (4) is provided on the outside of the bottom shell (1). The bottom shell (1) has a through-hole (11) on its side. The back clip (4) is slidably disposed in the through-hole (11) in a direction perpendicular to the surface of the bottom shell (1). The cover (3) has a guide hole (31) on its side. A guide rod (5) connected to the back clip (4) is disposed in the guide hole (31). A spring (6) is sleeved on the outside of the guide rod (5). One end of the spring (6) is connected to the guide rod (5), and the other end of the spring (6) is in contact with the bottom shell (1).

2. The telescopic crowbar according to claim 1, characterized in that, The inner edge of the bottom shell (1) is provided with a plurality of connecting screws (7) arranged in a circumferential array. The side of the cover (3) is provided with a corresponding locking groove (32) for accommodating the nut in the connecting screw (7). The size of the opening on one side of the locking groove (32) is larger than the size of the nut in the connecting screw (7), and the size of the opening on the other side of the locking groove (32) is smaller than the size of the nut in the connecting screw (7). The nut of the connecting screw (7) is abutted against the bottom of the locking groove (32). The end of the bottom shell (1) is provided with a threaded through hole (12). The back clip (4) and the guide rod (5) are fastened together by a locking screw (8) passing through the threaded through hole (12). The end of the bottom shell (1) is provided with a locking block (9) connected to the threaded through hole (12). The locking block (9) is used to press the locking groove (32) on the cover (3) against the outside of the connecting screw (7).

3. The telescopic crowbar according to claim 2, characterized in that, The back clip (4) includes a connecting part (41) connected to the bottom shell (1) and a clamping part (42) connected to the connecting part (41) at one end. The connecting part (41) is slidably disposed in the sliding hole (11), and the locking screw (8) passes through the connecting part (41) and the guide rod (5) in sequence.

4. The telescopic crowbar according to claim 1, characterized in that, The inner side of the bottom shell (1) is provided with a sliding groove (13), and the two sides of the crowbar body (2) are slidably disposed in the sliding groove (13). The bottom end of the crowbar body (2) is provided with a conical block (21), and the two ends of the bottom shell (1) are provided with conical grooves (14) for accommodating the conical block (21).

5. The telescopic crowbar according to claim 4, characterized in that, The crowbar body (2) has an adjusting screw (22) on its side. The conical block (21) is connected to one end of the adjusting screw (22). The crowbar body (2) has a clamping screw (23) on its side for clamping the other end of the adjusting screw (22).

6. The telescopic crowbar according to claim 3, characterized in that, The bottom shell (1) has a receiving groove (15) on its side for accommodating the clamping part (42), and the sliding hole (11) is disposed in the receiving groove (15).

7. The telescopic crowbar according to claim 6, characterized in that, The other end of the clamping part (42) is provided with a limiting stage (421), and the receiving groove (15) is provided with a positioning hole (16) for accommodating the limiting stage (421).

8. The telescopic crowbar according to claim 2, characterized in that, The bottom shell (1) has a limiting groove (17) on its side, and the inner side of the cover (3) is provided with a limiting block (33) corresponding to the limiting groove (17). The limiting block (33) can be separably inserted into the limiting groove (17).