Reinforcing structure for metal pipe wrench
By designing a reinforced structure with mounting brackets, adjusting rings, and clamp bars on the metal pipe wrench, the problem of existing pipe wrenches becoming loose after adjustment is solved, achieving higher stability and safety in use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-03-03
AI Technical Summary
Existing pipe wrenches lack a fixing mechanism after adjustment, making them prone to loosening during the clamping process.
A reinforced structure was designed, comprising a mounting bracket, an adjusting ring, a clamp bar, a clamp head, a clamp plate, a handle, a sliding groove, and a locking post. Through the rotational connection between the adjusting ring and the clamp bar, the matching of the teeth, and the cooperation of the movable block in the sliding groove and the locking post, the extension and retraction and limiting fixation of the clamp bar are achieved, thereby enhancing the stability of use.
It effectively prevents the clamp bar from loosening during use, improving the stability and safety of metal pipe wrenches.
Smart Images
Figure CN223961222U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipe wrench technology, and more specifically to a reinforcement structure for metal pipe wrenches. Background Technology
[0002] Pipe wrenches are specialized tools used for clamping and rotating steel pipes. Based on factors such as load-bearing capacity, weight, and style, pipe wrenches can be classified into various types to meet the needs of different working scenarios. They are widely used in the installation of oil pipelines and civil pipelines.
[0003] Existing pipe wrenches lack a proper fixing mechanism after adjustment, making them prone to loosening during clamping. Therefore, a new technical solution is needed to address this issue. Utility Model Content
[0004] The purpose of this utility model is to provide a reinforcement structure for metal pipe wrenches, which solves the problem that existing pipe wrenches lack a certain fixing mechanism after adjustment, making them prone to loosening during the clamping process.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a reinforcement structure for metal pipe wrenches, comprising: a mounting frame, wherein an adjusting ring is provided on the side of the mounting frame and is rotatably connected to the mounting frame; a clamp bar is provided inside the mounting frame and the surface of the clamp bar is provided with several sets of teeth; the clamp bar is inserted into the interior of the mounting frame and the teeth match the internal tooth grooves of the adjusting ring; a clamp head is provided on the side of the clamp bar and a first clamping plate is provided on the inner side of the side of the clamp head; a second clamping plate is provided on the side of the mounting frame and the first clamping plate and the second clamping plate correspond to each other; a handle is provided on the other side of the mounting frame and is fixedly connected to the mounting frame; sliding grooves are provided on both sides of the mounting frame and movable blocks are provided inside the sliding grooves; a locking post is provided between the movable blocks and a connecting rod is provided at the lower part of the movable blocks; a connecting post is provided on the side of the connecting rod; a locking groove is provided on the side of the sliding groove and the locking groove matches the connecting post; a spring post is provided at the bottom of the sliding groove and is connected to the connecting post.
[0006] In a preferred embodiment of this utility model, the handle has a strip groove inside and a hanging hole at the tail end.
[0007] In a preferred embodiment of this utility model, the pliers head is configured with a semi-circular structure.
[0008] In a preferred embodiment of this utility model, the pliers head and the mounting bracket are both provided with insertion grooves on their inner sides, and the first clamping plate and the second clamping plate are both provided with insertion blocks on their sides, and the insertion blocks and insertion holes are interlocked with each other.
[0009] In a preferred embodiment of this utility model, both sides of the pliers head and the mounting bracket are provided with fixing bolts, and the plug block is provided with threaded holes inside. The fixing bolts pass through the pliers head and the mounting bracket and connect with the threaded holes.
[0010] In a preferred embodiment of this utility model, both the plug block and the plug slot are arranged in a T-shape.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0012] This utility model features an adjusting ring on the side of a mounting frame, rotatably connected to the mounting frame. Inside the mounting frame is a clamp bar with several sets of teeth on its surface. The clamp bar is inserted into the mounting frame, and the teeth match the internal tooth grooves of the adjusting ring. Rotating the adjusting ring allows the clamp bar to extend or retract. A clamp head is located on the side of the clamp bar, with a first clamping plate on its inner side. A second clamping plate is located on the side of the mounting frame, with the first and second clamping plates corresponding to each other. A handle is located on the other side of the mounting frame and is fixedly connected to the mounting frame. The two sides of the mounting frame... Each side is equipped with a sliding groove, and the sliding groove contains a movable block. A locking pin is positioned between the movable blocks, and a connecting rod is located at the bottom of each movable block. A connecting pin is positioned on the side of the connecting rod. A locking groove is positioned on the side of the sliding groove, and the locking groove matches the connecting pin. A spring pin is positioned at the bottom of the sliding groove, and the spring pin connects to the connecting pin. After adjustment, pulling the connecting pin positions the locking pin between the teeth of the clamp bar, thus limiting the clamp bar's position. Simultaneously, the connecting pin is positioned inside the locking groove to fix it. This design provides secondary reinforcement to the clamp bar, ensuring stability during use. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a schematic cross-sectional view of the mounting bracket of this utility model;
[0015] Figure 3 This is a schematic diagram of the clamping plate installation structure of this utility model.
[0016] In the diagram: 1. Mounting bracket; 2. Pliers bar; 3. Teeth; 4. Adjusting ring; 5. Pliers head; 6. First clamping plate; 7. Second clamping plate; 8. Handle; 9. Hanging hole; 10. Sliding groove; 11. Movable block; 12. Connecting rod; 13. Connecting post; 14. Slot; 15. Spring post; 16. Snap-fit post; 17. Insertion groove; 18. Fixing bolt; 19. Insertion hole; 20. Threaded hole. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figure 1-3This utility model provides a technical solution: a reinforcement structure for metal pipe wrenches, comprising: a mounting frame 1, wherein an adjusting ring 4 is provided on the side of the mounting frame 1 and is rotatably connected to the mounting frame 1; a clamp bar 2 is provided inside the mounting frame 1 and the surface of the clamp bar 2 is provided with several sets of teeth 3; the clamp bar 2 is inserted into the interior of the mounting frame 1 and the teeth 3 match the internal grooves of the adjusting ring 4; a clamp head 5 is provided on the side of the clamp bar 2 and a first clamping plate 6 is provided on the inner side of the side of the clamp head 5; a second clamping plate 7 is provided on the side of the mounting frame 1 and the first clamping plate 6 and the second clamping plate 7 correspond to each other; and the other side of the mounting frame 1... A handle 8 is provided on the side and is fixedly connected to the mounting bracket 1. Sliding grooves 10 are provided on both sides of the mounting bracket 1, and movable blocks 11 are provided inside the sliding grooves 10. A locking post 16 is provided between the movable blocks 11, and a connecting rod 12 is provided at the lower part of the movable blocks 11. A connecting post 13 is provided on the side of the connecting rod 12. A locking groove 14 is provided on the side of the sliding groove 10, and the locking groove 14 matches the connecting post 13. A spring post 15 is provided at the bottom of the sliding groove 10, and the spring post 15 is connected to the connecting post 13. An adjusting ring 4 is provided on the side of the mounting bracket 1, and the adjusting ring 4 rotates between the mounting bracket 1 and the mounting bracket 1. The mounting frame 1 has a clamp bar 2 inside, and the surface of the clamp bar 2 has several sets of teeth 3. The clamp bar 2 is inserted into the mounting frame 1, and the teeth 3 match the internal grooves of the adjusting ring 4. Rotating the adjusting ring 4 can extend or retract the clamp bar 2. A clamp head 5 is provided on the side of the clamp bar 2, and a first clamping plate 6 is provided on the inner side of the side of the clamp head 5. A second clamping plate 7 is provided on the side of the mounting frame 1, and the first clamping plate 6 and the second clamping plate 7 correspond to each other. A handle 8 is provided on the other side of the mounting frame 1, and the handle 8 is fixedly connected to the mounting frame 1. Sliding grooves 10 are provided on both sides of the mounting frame 1, and movable blocks 1 are provided inside the sliding grooves 10. 1. A locking post 16 is provided between the movable blocks 11, and a connecting rod 12 is provided at the lower part of the movable block 11. A connecting post 13 is provided on the side of the connecting rod 12. A slot 14 is provided on the side of the sliding groove 10, and the slot 14 and the connecting post 13 are matched with each other. A spring post 15 is provided at the bottom of the sliding groove 10, and the spring post 15 and the connecting post 13 are connected to each other. After adjustment, the connecting post 13 is pulled so that the locking post 16 is located between the locking teeth of the clamp rod 2, thereby limiting the clamp rod 2. At the same time, the connecting post 13 is located inside the slot 14 to fix it. This arrangement provides secondary reinforcement to the clamp rod 2 and ensures the stability of use.
[0019] Further improvements, such as Figure 1 As shown: The handle 8 has a strip groove inside and a hanging hole 9 at the tail end, which makes it convenient to hang the pipe wrench.
[0020] Further improvements, such as Figure 1As shown: The clamp head 5 is designed with a semi-circular structure, which increases the safety of use.
[0021] Further improvements, such as Figure 3 As shown: The clamp head 5 and the mounting bracket 1 are both provided with insertion slots 17 on their inner sides, and the first clamp plate 6 and the second clamp plate 7 are both provided with insertion blocks on their sides. The insertion blocks and insertion holes 19 are interlocked with each other. This arrangement facilitates the replacement of the first clamp plate 6 and the second clamp plate 7.
[0022] Further improvements, such as Figure 3 As shown: Both sides of the pliers head 5 and the mounting bracket 1 are provided with fixing bolts 18, and the plug block is provided with threaded holes 20. The fixing bolts 18 pass through the pliers head 5 and the mounting bracket 1 and connect with the threaded holes 20. This arrangement ensures the firmness of the installation.
[0023] Further improvements, such as Figure 3 As shown: Both the plug-in block and the plug-in slot 17 are T-shaped structures.
[0024] Working principle: An adjusting ring 4 is provided on the side of the mounting frame 1 and is rotatably connected to the mounting frame 1. A clamp bar 2 is provided inside the mounting frame 1, and the surface of the clamp bar 2 is provided with several sets of teeth 3. The clamp bar 2 is inserted into the inside of the mounting frame 1, and the teeth 3 match the internal grooves of the adjusting ring 4. Rotating the adjusting ring 4 can extend and retract the clamp bar 2. A clamp head 5 is provided on the side of the clamp bar 2, and a first clamping plate 6 is provided on the inner side of the side of the clamp head 5. A second clamping plate 7 is provided on the side of the mounting frame 1, and the first clamping plate 6 and the second clamping plate 7 correspond to each other. A handle 8 is provided on the other side of the mounting frame 1 and is fixedly connected to the mounting frame 1. Sliding grooves 1 are provided on both sides of the mounting frame 1. The sliding groove 10 has a movable block 11 inside, a locking post 16 between the movable blocks 11, a connecting rod 12 at the bottom of the movable block 11, a connecting post 13 on the side of the connecting rod 12, a locking groove 14 on the side of the sliding groove 10, and the locking groove 14 and the connecting post 13 are matched with each other. A spring post 15 is provided at the bottom of the sliding groove 10, and the spring post 15 and the connecting post 13 are connected to each other. After adjustment, the connecting post 13 is pulled so that the locking post 16 is located between the locking teeth of the clamp rod 2, thereby limiting the clamp rod 2. At the same time, the connecting post 13 is located inside the locking groove 14 and fixed thereto. This arrangement provides secondary reinforcement to the clamp rod 2 and ensures the stability of use.
[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0026] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can refer to mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc., are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.
[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A reinforcement structure for a metal pipe wrench, characterized by: The utility model provides a kind of adjustable clamp, including: The inside of the installation frame (1) is provided with the clamp bar (2), and the surface of the clamp bar (2) is provided with several groups of teeth (3);The clamp bar (2) is inserted in the inside of the installation frame (1), and the teeth (3) and the inside tooth slot of the adjusting ring (4) are matched with each other;The side surface of the clamp bar (2) is provided with the clamp head (5), and the side surface inside of the clamp head (5) is provided with the first clamping plate (6);The side surface of the installation frame (1) is provided with the second clamping plate (7), and the first clamping plate (6) and the second clamping plate (7) are matched with each other;The other side of the installation frame (1) is provided with the handle (8), and the handle (8) and the installation frame (1) are fixedly connected;Both sides of the installation frame (1) are provided with the sliding groove (10), and the inside of the sliding groove (10) is provided with the movable block (11);The movable block (11) is provided with the clamping column (16) between, and the lower part of the movable block (11) is provided with the connecting rod (12);The side surface of the connecting rod (12) is provided with the connecting column (13);The side surface of the sliding groove (10) is provided with the clamping groove (14), and the clamping groove (14) and the connecting column (13) are matched with each other;The bottom of the sliding groove (10) is provided with the spring column (15), and the spring column (15) and the connecting column (13) are connected with each other.
2. A reinforcing structure for a metal pipe wrench according to claim 1, characterized in that: The inside of the handle (8) is provided with a strip-shaped groove, and the tail end is provided with a hanging hole (9).
3. The reinforcing structure for a metal pipe wrench according to claim 1, wherein: The clamp head (5) is provided in a semicircular structure.
4. The reinforcing structure for a metal pipe wrench according to claim 1, wherein: The clamp head (5) and the installation frame (1) are provided with the insertion groove (17) on the inside.
5. A reinforcing structure for a metal pipe tongs according to claim 4, characterized in that: Both sides of the clamp head (5) and the installation frame (1) are provided with the fixed bolt (18), and the inside of the insertion block is provided with the threaded hole (20), the fixed bolt (18) penetrates the clamp head (5) and the installation frame (1) and is connected with the threaded hole (20) between.
6. A reinforcing structure for a metal pipe tongs according to claim 4, wherein: The insertion block and the insertion groove (17) are provided in a T-shaped structure.