Detachable tong head assembly with anti-loosening function

Abstract

The utility model relates to a detachable tong head assembly with an anti-loosening function, and belongs to the field of medical instruments. The pair of anti-loosening forceps comprises a forceps head, an inner forceps rod and an outer forceps tube, the inner forceps rod is mounted in the outer forceps tube, the pair of anti-loosening forceps is structurally characterized by further comprising an anti-loosening structure, the anti-loosening structure comprises an anti-loosening sleeve, a limiting boss, a limiting sleeve, a limiting groove, a rotating nut and a positioning backing ring, the anti-loosening sleeve is arranged on the forceps head, and the limiting boss is arranged on the limiting sleeve. The limiting boss is arranged on the anti-loose sleeve, the limiting sleeve is arranged at one end of the outer clamp pipe, the limiting groove is formed in the limiting sleeve, the rotating nut is rotationally arranged on the limiting sleeve, the positioning backing ring is arranged on the limiting sleeve, the limiting boss is located in the limiting groove, and the anti-loose sleeve is located in the limiting sleeve.

Description

Technical Field

[0001] The utility model relates to a detachable clamp head assembly with anti-loosening function, belonging to the field of medical equipment. Background Art

[0002] Surgical forceps are surgical instruments frequently used in surgical procedures. They are provided in various models and sizes according to their functions and specifications. Surgical forceps are usually composed of a handle, a rod and a head. In view of this, a tension limiting device for surgical forceps is disclosed in the patent document with application number 202320906731.7. The head assembly of the above-mentioned prior art cannot be disassembled and is inconvenient to assemble. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide a detachable clamp head assembly with reasonable structural design and anti-loosening kinetic energy.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problem is: the detachable pliers head assembly with anti-loosening kinetic energy includes a pliers head, an inner pliers rod and an outer pliers tube, the inner pliers rod is installed in the outer pliers tube, and its structural characteristics are: it also includes an anti-loosening structure, the anti-loosening structure includes an anti-loosening sleeve, a limiting boss, a limiting sleeve, a limiting groove, a rotating nut and a positioning gasket, the anti-loosening sleeve is arranged on the pliers head, the limiting boss is arranged on the anti-loosening sleeve, the limiting sleeve is arranged at one end of the outer pliers tube, the limiting groove is arranged on the limiting sleeve, the rotating nut is rotatably arranged on the limiting sleeve, the positioning gasket is arranged on the limiting sleeve, the limiting boss is located in the limiting groove, and the anti-loosening sleeve is located in the limiting sleeve.

[0005] Furthermore, the pliers head includes a fixed pliers head, a movable pliers head and a pliers head seat, the movable pliers head is installed on the fixed pliers head, and the movable pliers head cooperates with the fixed pliers head, the fixed pliers head and the anti-loosening sleeve are both fixed to the pliers head seat, and the movable pliers head is connected to one end of the inner pliers rod.

[0006] Furthermore, the limiting boss is provided with an external thread, the rotating nut is provided with an internal thread, and the limiting boss is connected to the rotating nut through threads.

[0007] Furthermore, the positioning gasket is provided with a groove structure that cooperates with the limiting boss and the limiting groove.

[0008] Compared with the prior art, the utility model has the following advantages: a limiting boss is provided on the anti-loosening sleeve, an external thread is provided on the limiting boss, and a limiting groove is provided on the limiting sleeve at the same time, the rotating nut is rotatably installed on the limiting sleeve, and an internal thread is provided on the rotating nut, and the rotating nut is threadedly connected with the limiting boss, so that the disassembly and assembly of the pliers head assembly are convenient, and the limiting boss and the limiting groove cooperate with each other, when the angle of the pliers head is adjusted, the force is applied to the limiting boss and the limiting groove, so that the threaded connection is not subjected to force, thereby preventing the rotating nut and the limiting boss from rotating, so as to prevent the pliers head assembly from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the fracture structure of a detachable clamp head assembly with anti-loosening kinetic energy according to an embodiment of the utility model.

[0010] Figure 2 It is a partial structural schematic diagram of a detachable clamp head assembly with anti-loosening kinetic energy according to an embodiment of the utility model.

[0011] Figure 3 It is a schematic diagram of the explosion structure of a detachable clamp head assembly with anti-loosening kinetic energy according to an embodiment of the utility model.

[0012] In the figure: clamp head 1, inner clamp rod 2, outer clamp tube 3, anti-loosening structure 4,

[0013] Fixed clamp head 11, movable clamp head 12, clamp head seat 13,

[0014] Anti-loosening sleeve 41 , limiting boss 42 , limiting sleeve 43 , limiting groove 44 , rotating nut 45 , positioning washer 46 , groove structure 47 . DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0016] Example

[0017] See also Figures 1 to 3As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship, without substantially changing the technical content, should also be regarded as the scope of the implementation of the utility model.

[0018] The detachable pliers head assembly with anti-loosening kinetic energy in this embodiment includes a pliers head 1, an inner pliers rod 2, an outer pliers tube 3 and an anti-loosening structure 4, wherein the inner pliers rod 2 is installed in the outer pliers tube 3, the pliers head 1 is installed on the outer pliers tube 3, and the pliers head 1 is connected to the inner pliers rod 2.

[0019] The anti-loosening structure 4 in this embodiment includes an anti-loosening sleeve 41, a limiting boss 42, a limiting sleeve 43, a limiting groove 44, a rotating nut 45 and a positioning gasket 46. The anti-loosening sleeve 41 is arranged on the pliers head 1, and the limiting boss 42 is arranged on the anti-loosening sleeve 41.

[0020] The limiting sleeve 43 in this embodiment is arranged at one end of the outer clamp tube 3, the limiting groove 44 is arranged on the limiting sleeve 43, the rotating nut 45 is rotatably arranged on the limiting sleeve 43, the limiting boss 42 is arranged with an external thread, the rotating nut 45 is arranged with an internal thread, and the limiting boss 42 is connected to the rotating nut 45 by threads.

[0021] The positioning gasket 46 in this embodiment is arranged on the limiting sleeve 43 , and a groove structure 47 cooperating with the limiting boss 42 and the limiting groove 44 is arranged on the positioning gasket 46 . The limiting boss 42 is located in the limiting groove 44 , and the anti-loosening sleeve 41 is located in the limiting sleeve 43 .

[0022] The pliers head 1 in this embodiment includes a fixed pliers head 11, a movable pliers head 12 and a pliers head seat 13. The movable pliers head 12 is installed on the fixed pliers head 11 and cooperates with the fixed pliers head 11. The fixed pliers head 11 and the anti-loosening sleeve 41 are both fixed to the pliers head seat 13. The movable pliers head 12 is connected to one end of the inner pliers rod 2.

[0023] Specifically, during assembly, the detachable pliers head assembly with anti-loosening kinetic energy can insert the inner pliers rod 2 into the outer pliers tube 3, and at the same time the anti-loosening sleeve 41 is inserted into the limiting sleeve 43, and the limiting boss 42 is inserted into the limiting boss 42. Since an external thread is provided on the limiting boss 42 and an internal thread is provided on the rotating nut 45, the pliers head 1 can be fixed by rotating the rotating nut 45 to achieve assembly, and disassembly is also convenient.

[0024] When in use, the inner clamp rod 2 can be controlled by the handle to push and pull the movable clamp head 12 to realize the opening and closing control of the movable clamp head 12 and the fixed clamp head 11. When the clamp head 1 is controlled to rotate by the outer clamp tube 3, the limiting boss 42 cooperates with the limiting groove 44 and the groove structure 47, and the force is applied to the limiting boss 42, the limiting groove 44 and the groove structure 47, while the external thread on the limiting boss 42 and the internal thread on the rotating nut 45 are not subjected to force, thereby preventing the clamp head 1 from loosening.

[0025] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the utility model. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A detachable clamp head assembly with anti-loosening kinetic energy, comprising a clamp head (1), an inner clamp rod (2) and an outer clamp tube (3), wherein the inner clamp rod (2) is installed in the outer clamp tube (3), characterized in that: The invention also comprises an anti-loosening structure (4), wherein the anti-loosening structure (4) comprises an anti-loosening sleeve (41), a limiting boss (42), a limiting sleeve (43), a limiting groove (44), a rotating nut (45) and a positioning gasket (46), wherein the anti-loosening sleeve (41) is arranged on the pliers head (1), the limiting boss (42) is arranged on the anti-loosening sleeve (41), the limiting sleeve (43) is arranged at one end of the outer pliers tube (3), the limiting groove (44) is arranged on the limiting sleeve (43), the rotating nut (45) is rotatably arranged on the limiting sleeve (43), the positioning gasket (46) is arranged on the limiting sleeve (43), the limiting boss (42) is located in the limiting groove (44), and the anti-loosening sleeve (41) is located in the limiting sleeve (43).

2. The detachable clamp head assembly with anti-loosening kinetic energy according to claim 1, characterized in that: The pliers head (1) comprises a fixed pliers head (11), a movable pliers head (12) and a pliers head seat (13); the movable pliers head (12) is mounted on the fixed pliers head (11) and the movable pliers head (12) cooperates with the fixed pliers head (11); the fixed pliers head (11) and the anti-loosening sleeve (41) are both fixed to the pliers head seat (13); and the movable pliers head (12) is connected to one end of the inner pliers rod (2).

3. The detachable clamp head assembly with anti-loosening kinetic energy according to claim 1, characterized in that: The limiting boss (42) is provided with an external thread, the rotating nut (45) is provided with an internal thread, and the limiting boss (42) and the rotating nut (45) are connected via threads.

4. The detachable clamp head assembly with anti-loosening kinetic energy according to claim 1, characterized in that: The positioning gasket (46) is provided with a groove structure (47) that cooperates with the limiting boss (42) and the limiting groove (44).

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