Novel connecting clamp
By using the anti-loosening locking unit and the arc-shaped anti-deviation plate structure, the problem of loosening and deflection of the clamp during long-term use is solved, achieving stable locking and increased strength of the clamp, which is suitable for pipe connection in complex working conditions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-10
AI Technical Summary
Existing clamps are prone to loosening and deflection during long-term use, resulting in a decrease in tightening effect and making it difficult to meet stringent technical requirements.
It adopts an anti-loosening locking unit and an arc-shaped anti-deviation plate structure, including locking screws, locking plates, arc-shaped reinforcing plates and elastic retaining teeth. Through threaded connection and snap-fit method, it realizes stable locking and shaping of the retaining ring, enhancing the strength and anti-loosening performance of the retaining ring.
It effectively prevents the retaining ring from loosening and deflecting, improves the stability and strength of pipe fitting connections, ensures fastening effect, and adapts to the diverse connection needs of complex working conditions.
Smart Images

Figure CN223984912U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of the clamp, specifically to a novel connecting clamp. BACKGROUND
[0002] The clamp is a key connecting device for connecting grooved pipe fittings, valves and pipeline accessories. Its main function is to achieve fastening connection between the quick couplings. With its unique design, the device significantly improves the convenience and efficiency of pipe fitting connection, especially suitable for various complex working conditions and can flexibly meet diversified pipe fitting connection requirements. However, the existing clamp is prone to loosening and deflection due to external vibration, temperature change or mechanical stress during long-term use, resulting in decreased fastening effect and difficulty in meeting current increasingly stringent technical requirements. SUMMARY
[0003] The utility model aims at providing a novel connecting clamp with good locking effect.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel connecting clamp, comprising an open ring-shaped clamp ring, the opening of the clamp ring is locked by a loosening prevention locking unit, the loosening prevention locking unit comprises two connecting bent plates, one of the connecting bent plates is internally provided with a first connecting column, the other connecting bent plate is internally provided with a second connecting column, a locking screw is arranged between the first connecting column and the second connecting column, the outer surface of one end of the locking screw is circumferentially provided with a plurality of positioning grooves, the outer side of the middle part of the second connecting column is provided with a locking plate, and the locking plate is clamped with the positioning grooves; at least two arc-shaped anti-deviation plates are fixedly arranged on the inner side of the clamp ring, and a plurality of first elastic clamping teeth and second elastic clamping teeth are arranged in the arc-shaped anti-deviation plates.
[0005] Preferably, a plurality of arc-shaped reinforcing plates are arranged on the outer side of the clamp ring, a locking bolt is arranged on the arc-shaped reinforcing plate, the plurality of arc-shaped reinforcing plates are arranged in a circumferential direction around the center of the clamp ring, one end of the locking bolt penetrates through the arc-shaped reinforcing plate and is connected with the clamp ring through threads, and the material of the arc-shaped reinforcing plate is alloy steel.
[0006] Preferably, the at least two arc-shaped anti-deviation plates are arranged in a circumferential direction of the clamp ring, a clamping groove is arranged on the inner side of the clamp ring, the arc-shaped anti-deviation plate is in contact with the inner wall of the clamping groove, the first elastic clamping teeth and the second elastic clamping teeth are oppositely inclined, and the arc-shaped anti-deviation plate, the first elastic clamping teeth and the second elastic clamping teeth are integrally stamped.
[0007] Preferably, both ends of the retaining ring are fixedly connected to the two connecting bends, the two connecting bends are collar structures, and are respectively sleeved with the first connecting post and the second connecting post. One end of the locking screw passes through the first connecting post and the second connecting post in sequence, and the locking screw is threadedly connected to the second connecting post.
[0008] Preferably, one end of the locking plate is provided with a sleeve hole for the locking screw to pass through, and the inner wall of the sleeve hole is provided with a locking protrusion that engages with the positioning groove; the other end of the locking plate is fixedly connected to the outside of another connecting bent plate; the positioning groove is arranged along the axial direction of the locking screw.
[0009] Compared with the prior art, the beneficial effects of this utility model are:
[0010] This invention features a first elastic locking tooth and a second elastic locking tooth fixedly installed on the inner side of an arc-shaped anti-deviation plate. These teeth effectively position and engage the pipe fitting inside the retaining ring, preventing deviation during application. Multiple circumferentially arranged arc-shaped reinforcing plates are installed on the outer side of the retaining ring, and the retaining ring and these plates are fixedly connected by locking bolts. These bolts shape and support the sides of the retaining ring, improving its strength and preventing deformation due to excessive force, which could affect the stability of the pipe fitting connection. Furthermore, after the anti-loosening locking unit locks the retaining ring, the locking plate engages with the locking screw, providing circumferential restraint and preventing loosening. Attached Figure Description
[0011] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.
[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0013] Figure 2 This is a partial structural schematic diagram of the anti-loosening locking unit of this utility model;
[0014] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure at point A in the middle;
[0015] Figure 4 This is a schematic diagram of the arc-shaped anti-deviation plate in this utility model.
[0016] In the diagram: 1. Snap ring; 2. Anti-loosening locking unit; 201. Connecting bend plate; 202. First connecting post; 203. Locking screw; 204. Second connecting post; 205. Locking plate; 206. Positioning groove; 3. Arc-shaped reinforcing plate; 4. Locking bolt; 5. Arc-shaped anti-deviation plate; 6. First elastic locking tooth; 7. Second elastic locking tooth. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0018] Please see Figure 1 and Figure 3 The novel connecting clamp in this embodiment includes an open annular clamp 1. Multiple arc-shaped reinforcing plates 3 are installed on the outer side of the clamp 1, forming a wrap around the corresponding parts of the clamp 1. Locking bolts 4 are installed on the arc-shaped reinforcing plates 3. The multiple arc-shaped reinforcing plates 3 are arranged in a circle around the center of the clamp 1. One end of the locking bolt 4 passes through the arc-shaped reinforcing plate 3 and is connected to the clamp 1 by threads to fix the arc-shaped reinforcing plate 3. The arc-shaped reinforcing plate 3 is made of alloy steel, which has strong strength and toughness. The arc-shaped reinforcing plate 3 can shape and support the side of the clamp 1, improve the strength of the clamp 1, and prevent the clamp 1 from being deformed due to excessive force, thus affecting the stability of the pipe connection.
[0019] Please see Figure 1 and Figure 2The opening of the retaining ring 1 is locked by the anti-loosening locking unit 2. The anti-loosening locking unit 2 includes two connecting bent plates 201. Both ends of the retaining ring 1 are fixedly connected to the two connecting bent plates 201. A first connecting post 202 is installed on the inner side of one connecting bent plate 201, and a second connecting post 204 is installed on the inner side of the other connecting bent plate 201. In this embodiment, the two connecting bent plates 201 are specifically designed as collar structures, and are respectively sleeved with the first connecting post 202 and the second connecting post 204. A locking screw 203 is connected between the first connecting post 202 and the second connecting post 204. One end of the locking screw 203 passes through the first connecting post 202 and the second connecting post 204 in sequence, and the locking screw 203 and the second connecting post 204 are connected by threads (the threads on the locking screw 203 are not shown in the figure). When locking the retaining ring 1, the locking screw 203 is rotated. The locking screw 203 causes the second connecting post 204 to move closer to the first connecting post 202, thereby gradually locking the retaining ring 1. Multiple positioning grooves 206 are provided circumferentially on the outer surface of one end of the locking screw 203. A locking plate 205 is installed on the outer side of the middle part of the second connecting post 204, and the locking plate 205 engages with the positioning grooves 206. More specifically, one end of the locking plate 205 has a sleeve hole for the locking screw 203 to pass through, and the inner wall of the sleeve hole has a protrusion that cooperates with the positioning groove 206. The other end of the locking plate 205 is fixedly connected (e.g., by spot welding) to another connecting bent plate 201. The positioning groove 206 is arranged axially along the locking screw 203. The cooperation between the protrusion on the locking plate 205 and the positioning groove 206 limits the locking screw 203, preventing it from deflecting relative to the locking plate 205 and causing it to loosen.
[0020] Please see Figure 1 and Figure 4 At least two arc-shaped anti-deviation plates 5 are fixedly installed on the inner side of the retaining ring 1. The arc-shaped anti-deviation plates 5 are provided with multiple first elastic teeth 6 and second elastic teeth 7. The at least two arc-shaped anti-deviation plates 5 are evenly distributed around the circumference of the retaining ring 1. The inner side of the retaining ring 1 is provided with a groove. The arc-shaped anti-deviation plates 5 are in close contact with the inner wall of the groove. The first elastic teeth 6 and the second elastic teeth 7 are inclined towards each other. The arc-shaped anti-deviation plates 5, the first elastic teeth 6 and the second elastic teeth 7 are integrally stamped and formed. When in use, the first elastic teeth 6 and the second elastic teeth 7 on the arc-shaped anti-deviation plates 5 can effectively abut and clamp the pipe fittings inside the retaining ring 1, strengthening the connection between the retaining ring 1 and the pipe fittings.
[0021] In use, the retaining ring 1 is fitted onto the pipe fitting connection. A groove is provided on the inner side of the retaining ring 1, allowing it to engage with the pipe fitting connection. An arc-shaped anti-deviation plate 5 is fixed inside the groove, enabling the retaining ring 1 to be positioned. Multiple first elastic teeth 6 and second elastic teeth 7 are fixedly installed on the inner side of the arc-shaped anti-deviation plate 5, allowing it to effectively clamp the pipe fitting inside the retaining ring 1, enhancing the friction between the retaining ring 1 and the pipe fitting. Multiple circumferentially arranged arc-shaped reinforcing plates 3 are installed on the outer side of the retaining ring 1, and the retaining ring 1 and the multiple arc-shaped reinforcing plates 3 are fixedly connected by locking bolts 4. The arc-shaped reinforcing plates 3 shape and support the sides of the retaining ring 1, improving its strength and preventing excessive force that could deform the retaining ring 1 and affect the stability of the pipe fitting connection.
[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.
Claims
1. A new type of connecting clamp, comprising an open ring-shaped clasp ring (1), characterized in that: The opening of the clasp ring (1) is locked by the anti-loosening locking unit (2), the anti-loosening locking unit (2) comprises two connecting bent plates (201), one of the connecting bent plates (201) is internally provided with a first connecting column (202), the other of the connecting bent plates (201) is internally provided with a second connecting column (204), a locking screw (203) is arranged between the first connecting column (202) and the second connecting column (204), a plurality of positioning grooves (206) are circumferentially arranged on the outer surface of one end of the locking screw (203), a locking plate (205) is externally arranged on the middle of the second connecting column (204), and the locking plate (205) is clamped with the positioning grooves (206); at least two arc-shaped anti-deviation plates (5) are fixedly arranged on the inner side of the clasp ring (1), and a plurality of first elastic clamping teeth (6) and second elastic clamping teeth (7) are arranged in the arc-shaped anti-deviation plates (5).
2. A new type of connecting clamp according to claim 1, characterized in that: A plurality of arc-shaped reinforcing plates (3) are arranged on the outer side of the clasp ring (1), the arc-shaped reinforcing plates (3) are provided with locking bolts (4), the plurality of arc-shaped reinforcing plates (3) are arranged in a circle around the center of the clasp ring (1), one end of the locking bolt (4) penetrates the arc-shaped reinforcing plate (3) and is connected with the clasp ring (1) through threads, and the material of the arc-shaped reinforcing plate (3) is alloy steel.
3. A new type of connecting clamp according to claim 1, characterized in that: The at least two arc-shaped anti-deviation plates (5) are arranged in a circumferential direction of the clasp ring (1), the inner side of the clasp ring (1) is provided with a clamping groove, the arc-shaped anti-deviation plates (5) are in contact with the inner wall of the clamping groove, the first elastic clamping teeth (6) and the second elastic clamping teeth (7) are oppositely inclined, and the arc-shaped anti-deviation plates (5), the first elastic clamping teeth (6) and the second elastic clamping teeth (7) are integrally stamped.
4. A new type of connecting clamp according to claim 1, characterized in that: Both ends of the clasp ring (1) are fixedly connected with the two connecting bent plates (201), the two connecting bent plates (201) are in a sleeve ring structure and are sleeved with the first connecting column (202) and the second connecting column (204) respectively, one end of the locking screw (203) penetrates the first connecting column (202) and the second connecting column (204) in sequence, and the locking screw (203) is connected with the second connecting column (204) through threads.
5. A new type of connecting clamp according to claim 4, characterized in that: One end of the locking plate (205) is provided with a sleeve hole for the locking screw (203) to pass through, the inner wall of the sleeve hole is provided with a clamping convex for clamping with the positioning groove (206), and the other end of the locking plate (205) is fixedly connected to the outer side of the other connecting bent plate (201); the positioning groove (206) is arranged in an axial direction of the locking screw (203).