Clamp with self-locking function

Abstract

The utility model relates to the technical field of pipeline construction, and discloses a hoop with a self-locking function, which comprises a hoop body, and the surface of the hoop body is in threaded connection with a threaded rod. According to the clamp with the self-locking function, when the two ends of the clamp body get close, the clamp body at the two ends is guided by the limiting plate, the clamp body at the two ends can be conveniently aligned, meanwhile, the teeth on the limiting plate are locked after getting close to the fixing teeth, the two ends of the clamp body can be fixed to a certain degree in the alignment process, limiting is conducted, and the clamp body can be conveniently fixed; secondly, when the clamp bodies are unlocked, a connecting seat moves on the surface of a limiting rod to drive a limiting plate to move to a certain distance under the tensile force of the clamp bodies at the two ends, a torsional spring initially has deformation quantity, a limiting groove makes contact with limiting of a limiting block, the torsional spring is reset, a movable rod is driven to rotate, and the limiting plate rotates to release locking of the limiting plate to fixed teeth; and therefore, the hoop body can be used for self-locking installation of the threaded rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline construction technical field, concretely is a clamp with self -locking function. BACKGROUND

[0002] The clamp is a connecting device for connecting pipe fittings with grooves, valves and pipe fittings, is used for tightening the clamp between quick couplings, has the characteristics of beautiful appearance, convenient use, strong tightening force, good sealing performance and the like, and is mainly used for connecting and fastening and sealing the interfaces of ordinary rubber pipes, nylon plastic hoses, rubber hoses and water hoses of various mechanical equipment, chemical equipment such as air conditioners, vehicles, ships, diesel engines, gasoline engines, machine tools and fire fighting.

[0003] According to a novel self-locking clamp device (announcement number: CN213655961U) disclosed, the magnet in the above application can effectively position the just-closed upper fixed block and lower fixed block, has good use effect, and the rotating sheep horn bolt can adjust the fastening degree of the upper fixed block and lower fixed block.

[0004] But the clamp needs to pull the two ends of the clamp to align the threaded rod before tightening, and the tightening of the object limited by part of the clamp is more difficult to align, which affects the tightening efficiency of the threaded rod, therefore, we provide a clamp with self-locking function. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a clamp with self-locking function to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a clamp with self-locking function, including clamp body, the surface of the clamp body is connected with threaded rod, the surface of the clamp body is provided with guide mechanism, the surface of the clamp body is provided with stabilizing mechanism, the guide mechanism includes:

[0007] Fixed tooth, the fixed tooth is fixedly installed on the surface of the clamp body, the surface of the clamp body is provided with movable slot, the inner wall of the movable slot is fixedly connected with the limiting rod, the inner wall of the movable slot is fixedly connected with the return spring, one end of the return spring away from the inner wall of the movable slot is fixedly connected with the connecting seat, the surface of the connecting seat is fixedly installed with the mounting seat;

[0008] Straight rod, the straight rod is fixedly installed on the surface of the mounting seat, the curved surface of the straight rod is fixedly connected with the torsion spring, one end of the torsion spring away from the curved surface of the straight rod is fixedly connected with the inner wall of the movable rod, the upper surface of the movable rod is fixedly installed with the limiting block, the outer side of the movable rod is provided with the limiting plate, the inner wall of the movable slot is provided with the limiting slot.

[0009] Preferably, the stabilizing mechanism comprises a mounting groove, the mounting groove is arranged on the side wall of the movable rod, the inner wall of the mounting groove is fixedly connected with a cylinder, the inner wall of the mounting groove is fixedly connected with a rubber ring, and the surface of the limiting plate is fixedly connected with a mounting cylinder.

[0010] Preferably, the surface of the mounting cylinder is provided with a positioning hole, the diameter of the positioning hole is matched with the diameter of the cylinder, the arc surface of the mounting cylinder is provided with a limiting ring groove, and the shape of the limiting ring groove is matched with the shape of the rubber ring.

[0011] Preferably, the surface of the connecting seat and the mounting seat is provided with a sliding hole, and the diameter of the sliding hole is matched with the diameter of the limiting rod.

[0012] Preferably, the surface of the movable rod is provided with a rotating hole, and the diameter of the rotating hole is matched with the diameter of the straight rod.

[0013] Preferably, the shape of one end of the limiting groove is matched with the shape of the limiting block, and the other end of the limiting groove is larger than the limiting block.

[0014] Compared with the prior art, the clamp with the self-locking function has the following beneficial effects:

[0015] 1. The clamp with the self-locking function has the following beneficial effects: the two ends of the clamp body are guided by the limiting plate when being close to each other, the teeth on the limiting plate and the fixed teeth are locked after being close to each other, the two ends of the clamp body are limited in the alignment process to fix the clamp body, the connecting seat moves on the surface of the limiting rod to drive the limiting plate to move when the clamp body is disassembled, the limiting plate is moved to a certain distance, the torsional spring has an initial deformation amount, the limiting groove contacts the limiting block, the torsional spring is reset, the movable rod is rotated to drive the limiting plate to rotate and unlock the fixed teeth, and then the clamp body can be installed by the self-locking screw rod and can be disassembled.

[0016] 2. The clamp with the self-locking function has the following beneficial effects: the clamp body drives the mounting cylinder to be clamped in the inside of the movable rod, the positioning hole of the mounting cylinder is aligned with the cylinder for clamping and limiting, the rubber ring is clamped to the mounting groove on the mounting cylinder for fixing, the mounting cylinder is conveniently installed, the limiting plate is conveniently disassembled and replaced, the teeth on the limiting plate better clamp the fixed teeth for locking, and the screw rod is conveniently fixed to the clamp body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main body structure of the utility model;

[0018] Figure 2The utility model discloses a hoop body partial structure schematic diagram;

[0019] Figure 3 The utility model discloses a hoop body partial structure schematic diagram;

[0020] Figure 4 The utility model discloses a hoop body partial structure schematic diagram;

[0021] Figure 5 The utility model discloses a limiting rod partial explosion structure schematic diagram;

[0022] Figure 6 The utility model discloses a movable rod partial structure schematic diagram.

[0023] In the drawing: 1, hoop body, 2, threaded rod, 3, guide mechanism, 301, fixed tooth, 302, movable slot, 303, limiting rod, 304, return spring, 305, connecting seat, 306, mounting seat, 307, straight rod, 308, torsion spring, 309, movable rod, 310, limiting block, 311, limiting plate, 312, limiting slot, 4, stabilizing mechanism, 401, mounting groove, 402, cylinder, 403, rubber ring, 404, mounting cylinder. DETAILED DESCRIPTION

[0024] As Figures 1-6 The utility model provides a kind of hoop with self-locking function, including hoop body 1, the surface of hoop body 1 is connected with threaded rod 2, the surface of hoop body 1 is provided with guide mechanism 3, the surface of hoop body 1 is provided with stabilizing mechanism 4, guide mechanism 3 includes fixed tooth 301, movable slot 302, limiting rod 303, return spring 304, connecting seat 305, mounting seat 306, straight rod 307, torsion spring 308, movable rod 309, limiting block 310, limiting plate 311, limiting slot 312.

[0025] In an embodiment of the utility model, fixed tooth 301 is fixedly installed on the surface of hoop body 1, the surface of hoop body 1 is provided with movable slot 302, the inner wall of movable slot 302 is fixedly connected with limiting rod 303, the inner wall of movable slot 302 is fixedly connected with return spring 304, the end of return spring 304 away from the inner wall of movable slot 302 is fixedly connected with connecting seat 305, the surface of connecting seat 305 is fixedly installed with mounting seat 306, straight rod 307 is fixedly installed on the surface of mounting seat 306, the arc surface of straight rod 307 is fixedly connected with torsion spring 308, the end of torsion spring 308 away from the arc surface of straight rod 307 is fixedly connected with the inner wall of movable rod 309, the upper surface of movable rod 309 is fixedly installed with limiting block 310, the outer side of movable rod 309 is provided with limiting plate 311, the inner wall of movable slot 302 is provided with limiting slot 312.

[0026] In addition, the stabilizing mechanism 4 comprises a mounting groove 401 formed in the side wall of the movable rod 309, the inner wall of the mounting groove 401 is fixedly connected with a cylinder 402, the inner wall of the mounting groove 401 is fixedly mounted with a rubber ring 403, the surface of the limiting plate 311 is fixedly mounted with a mounting cylinder 404, the surface of the mounting cylinder 404 is formed with a positioning hole, the diameter of the positioning hole is matched with the diameter of the cylinder 402, the arc surface of the mounting cylinder 404 is formed with a limiting ring groove, the shape of the limiting ring groove is matched with the shape of the rubber ring 403, so that the rubber ring 403 is clamped to the surface of the limiting ring groove to prevent the limiting plate 311 from falling off.

[0027] In the embodiment of the utility model, the surface of connecting seat 305 and mounting seat 306 all are formed with sliding hole, the diameter of sliding hole is matched with the diameter of limiting rod 303, the surface of movable rod 309 is formed with rotating hole, the diameter of rotating hole is matched with the diameter of straight rod 307, movable rod 309 can be offset around straight rod 307, the shape of one end of limiting groove 312 is matched with the shape of limiting block 310, the other end of limiting groove 312 is larger than limiting block 310, limiting block 310 is limited by limiting groove 312, and when moving to a certain distance, limiting block 310 is released from the limitation, so that movable rod 309 rotates, and reset spring 304 ensures the reset of connecting seat 305.

[0028] In the utility model, when the two ends of the clamp body 1 are close, they are guided by the limiting plate 311, which facilitates the alignment of the two ends of the clamp body 1, and the teeth on the limiting plate 311 and the fixed teeth 301 are close to each other and locked, and the alignment process can limit the two ends of the clamp body 1 to a certain extent to facilitate the fixation of the clamp body 1.

[0029] Further, the hoop body 1 drives the installation cylinder 404 to be clamped in the inside of the movable rod 309, the positioning hole of the installation cylinder 404 is clamped to the cylinder 402 for limiting, the rubber ring 403 is clamped to the installation groove 401 on the installation cylinder 404 for fixing, the installation cylinder 404 is conveniently installed, the limiting plate 311 is conveniently disassembled and replaced, the tooth on the limiting plate 311 better clamps the fixed tooth 301, prevents the wear and replacement of the tooth of the limiting plate 311, and is locked, and the hoop body 1 of the threaded rod 2 is conveniently fixed.

[0030] The utility model has been described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modifications or improvements are within the scope of the utility model.

Claims

1. A clamp with self-locking function, comprising a clamp body (1), the surface of the clamp body (1) is connected with a threaded rod (2) by screwing, characterized in that: The surface of the clamp body (1) is provided with a guide mechanism (3), and the surface of the clamp body (1) is provided with a stabilizing mechanism (4), the guide mechanism (3) comprises: The fixed tooth (301) is fixedly installed on the surface of the clamp body (1), the surface of the clamp body (1) is provided with a movable slot (302), the inner wall of the movable slot (302) is fixedly connected with a limiting rod (303), the inner wall of the movable slot (302) is fixedly connected with a return spring (304), one end of the return spring (304) away from the inner wall of the movable slot (302) is fixedly connected with a connecting seat (305), and the surface of the connecting seat (305) is fixedly installed with a mounting seat (306); The straight rod (307) is fixedly installed on the surface of the mounting seat (306), the curved surface of the straight rod (307) is fixedly connected with a torsion spring (308), one end of the torsion spring (308) away from the curved surface of the straight rod (307) is fixedly connected with the inner wall of the movable rod (309), the upper surface of the movable rod (309) is fixedly installed with a limiting block (310), and the outer side of the movable rod (309) is provided with a limiting plate (311), and the inner wall of the movable slot (302) is provided with a limiting slot (312).

2. The clamp with self-locking function according to claim 1, characterized in that: The stabilizing mechanism (4) comprises an installation slot (401), the installation slot (401) is arranged on the side wall of the movable rod (309), the inner wall of the installation slot (401) is fixedly connected with a cylinder (402), the inner wall of the installation slot (401) is fixedly installed with a rubber ring (403), and the surface of the limiting plate (311) is fixedly installed with an installation cylinder (404).

3. The clamp with self-locking function according to claim 2, characterized in that: The surface of the installation cylinder (404) is provided with a positioning hole, the diameter of the positioning hole is matched with the diameter of the cylinder (402), the curved surface of the installation cylinder (404) is provided with a limiting ring groove, and the shape of the limiting ring groove is matched with the shape of the rubber ring (403).

4. The clamp with self-locking function according to claim 1, characterized in that: The surfaces of the connecting seat (305) and the mounting seat (306) are both provided with sliding holes, and the diameters of the sliding holes are matched with the diameter of the limiting rod (303).

5. The clamp with self-locking function according to claim 1, characterized in that: The surface of the movable rod (309) is provided with a rotating hole, and the diameter of the rotating hole is matched with the diameter of the straight rod (307).

6. The clamp with self-locking function according to claim 1, characterized in that: The shape of one end of the limiting slot (312) is matched with the shape of the limiting block (310), and the other end of the limiting slot (312) is larger than the limiting block (310).

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