Opening and closing angle adjusting structure of rib scissors

Abstract

The utility model discloses a rib shear opening and closing angle adjusting structure, which belongs to the field of rib shear opening and closing angle adjusting structure equipment and comprises a first shear body, a second shear body, an adjusting component and a shear shaft, a first tool bit is arranged at one end of the first shear body, a limit groove is arranged at one end of the first shear body facing the second shear body, and a second tool bit is arranged at one end of the second shear body. The adjusting assembly is provided with an adjusting sliding rod capable of being controlled to move, and the adjusting sliding rod is inserted into the limiting groove. The rib scissors have the advantages that the opening and closing angle of the rib scissors is adjusted by adjusting movement of the sliding rod and limiting the rotation angle of the first scissors handle, the situation that the opening and closing angle of the rib scissors is too large, internal organs are damaged during operation is avoided, and the rib scissors have the advantages of being simple in operation step and high in adjusting speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to rib shears opening and closing angle adjusting structure technical field, specifically to a rib shears opening and closing angle adjusting structure. BACKGROUND

[0002] Rib shears are surgical instruments, mainly used for cutting or trimming ribs.

[0003] At present, in the use process of rib shears, because the existing rib shears usually have elastic structure, the elastic force of elastic structure is easy to open rib shears, if the operator controls rib shears opening and closing angle too big, the open rib shears may exist the problem of puncturing internal organs. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a rib shears opening and closing angle adjusting structure to solve the technical problem that the current rib shears opening and closing angle is too big, and the open rib shears may exist the problem of puncturing internal organs.

[0005] Based on the above-mentioned purpose, the utility model provides a rib shears opening and closing angle adjusting structure, including first shears body, one end has first cutter head, the other end has first shears handle, the first shears body is set up with the limit slot to one end towards second shears body, the limit slot has first limit end and second limit end, second shears body, one end has second cutter head, the other end has second shears handle, adjusting assembly has one controllable mobile adjusting sliding rod, the adjusting sliding rod is inserted in the limit slot, the adjusting sliding rod can be in the first limit end and the second limit end and the resistance is touched, shears axle, one end is fixedly connected with adjusting assembly, the other end is rotationally connected with first shears body, the adjusting sliding rod is arc movement with shears axle center line as the center, and the rotation of first shears body is limited by the resistance of first limit end.

[0006] Preferably, the adjusting assembly includes a limiting ring, an adjusting ring, and a locking ring, the second shears body is provided with a mounting groove at one end away from the first shears body, the limiting ring is inserted and fixed in the mounting groove, the shears axle is connected with the limiting ring through threads, the adjusting ring is rotationally inserted in the mounting groove, the adjusting sliding rod is arranged at one end of the adjusting ring facing the first shears body, the limiting ring is provided with a limiting protrusion at one end facing the adjusting ring, the adjusting ring is provided with a limiting groove matching the limiting protrusion at one end facing the limiting ring, the limiting protrusion is inserted in the limiting groove, and the locking ring is inserted in the mounting groove through threaded connection, the locking ring is in contact with the adjusting ring, so that the adjusting ring cannot rotate.

[0007] Preferably, the rotating part and the connecting part are arranged on the cutting shaft, the first rotating hole is arranged on the first cutting shaft, the rotating part is inserted into the first rotating hole in a rotating mode, the connecting part is connected with the limiting ring in a threaded mode, and the diameter of the rotating part is larger than that of the connecting part.

[0008] Preferably, the second rotating hole is arranged in the mounting groove, the connecting part passes through the second rotating hole and is connected with the limiting ring, the mounting through groove is arranged in the mounting groove in a penetrating mode, the adjusting sliding rod passes through the mounting through groove and is inserted into the limiting groove in a sliding mode.

[0009] Preferably, the positioning groove is arranged in the mounting groove, the positioning convex block is arranged on the limiting ring and can be inserted into the positioning groove, the connecting outer thread is arranged on the outer wall of the connecting part, and the connecting inner thread matched with the connecting outer thread is arranged on the inner wall of the limiting ring.

[0010] Preferably, the adjusting flange extending outward is arranged at one end of the adjusting ring and passes through the locking ring.

[0011] Preferably, the locking outer thread is arranged at one end of the locking ring and faces the adjusting ring, and the locking inner thread matched with the locking outer thread is arranged on the inner wall of the mounting groove.

[0012] Preferably, the locking flange is arranged on the outer wall of the locking ring.

[0013] Preferably, the first elastic member is arranged on the first cutting shaft, the second elastic member is arranged on the second cutting shaft, and the first elastic member and the second elastic member can abut against each other.

[0014] Preferably, the abutting groove is arranged on the first elastic member, and the abutting head matched with the abutting groove is arranged on the second elastic member.

[0015] The rib shears can be quickly disassembled through cooperation of the limiting ring, the adjusting ring and the locking ring. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is an explosion structure schematic diagram of the utility model;

[0018] Figure 3It is the three-dimensional structure schematic view of the first scissor body in the utility model;

[0019] Figure 4 It is the three-dimensional structure schematic view of the second scissor body in the utility model;

[0020] Figure 5 It is the three-dimensional structure schematic view of the scissor axle in the utility model;

[0021] Figure 6 It is the three-dimensional structure schematic view of the limiting ring in the utility model;

[0022] Figure 7 It is the three-dimensional structure schematic view of the adjusting ring in the utility model;

[0023] Figure 8 It is the three-dimensional structure schematic view of the locking ring in the utility model.

[0024] In the drawing: 1, first scissor body;11, first cutter head;12, first scissor handle;13, limiting groove;131, first limiting end;132, second limiting end;14, first rotating hole;2, second scissor body;21, second cutter head;22, second scissor handle;23, installation recess;231, second rotating hole;232, installation through slot;233, positioning recess;3, adjusting assembly;31, adjusting sliding rod;32, limiting ring;321, limiting protrusion;322, positioning protrusion;33, adjusting ring;331, limiting recess;332, adjusting flange;34, locking ring;341, locking flange;4, scissor axle;41, rotating part;42, connecting part;5, first elastic member;51, abutting groove;6, second elastic member;61, abutting head. DETAILED DESCRIPTION

[0025] So that the purposes, technical solutions and advantages of the embodiments of the present disclosure are clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below in combination with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without any creative work belong to the scope of protection of the present disclosure.

[0026] Unless otherwise defined, technical terms or scientific terms used in the present disclosure shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "including", "containing" or "comprising" and the like in the present disclosure are meant to be inclusive, and are intended to mean that there are items or components that are present, but not to the exclusion of other items or components. The use of terms such as "connected" or "coupled" or the like is not limited to a physical or mechanical connection, but also includes electrical connections, whether direct or indirect. "Up", "down", "left", "right", and the like are only used to indicate relative positions, and when the absolute positions of the described objects are changed, the relative positions may also be changed accordingly.

[0027] In an embodiment, referring to Figures 1 to 2 The rib shears opening and closing angle adjusting structure provided by the utility model has the advantages that the rib shears opening and closing angle adjusting structure is provided with the first shears body 1 and the second shears body 2, the first shears body 1 and the second shears body 2 are connected through the shears shaft 4, the first shears body 1 is provided with the first shears handle 12, the second shears body 2 is provided with the second shears handle 22, the first shears handle 12 and the second shears handle 22 are connected through the adjusting assembly 3, the adjusting assembly 3 is connected with the shears shaft 4, and the adjusting assembly 3 is connected with the first shears body 1 and the second shears body 2 through the shears shaft 4.

[0028] The second shears body 2 has a second blade 21 at one end and a second shears handle 22 at the other end.

[0029] The adjusting assembly 3 has one controllable moving adjusting sliding rod 31, the adjusting sliding rod 31 is inserted into the limiting groove 13, and the adjusting sliding rod 31 can abut against the first limiting end 131 and the second limiting end 132.

[0030] The shears shaft 4 is fixedly connected with the adjusting assembly 3 at one end and rotatably connected with the first shears body 1 at the other end, the adjusting sliding rod 31 moves in an arc shape with the center line of the shears shaft 4 as the center, and the rotation of the first shears body 1 is limited by abutting against the first limiting end 131.

[0031] Specifically, by adjusting the movement of the adjusting sliding rod 31, the rotation angle of the first shears handle 12 is limited, the opening and closing angle of the rib shears is adjusted, and the opening and closing angle of the rib shears is prevented from being too large to damage internal organs during operation.

[0032] As an example, referring to Figures 1 to 5As shown, in order to facilitate the adjustment of the rib shears opening angle, the adjusting assembly 3 comprises a limiting ring 32, an adjusting ring 33 and a locking ring 34, the second shear body 2 is provided with a mounting groove 23 at the end away from the first shear body 1, the limiting ring 32 is inserted and fixed in the mounting groove 23, the shear shaft 4 is connected with the limiting ring 32 through threads, the adjusting ring 33 is rotatably inserted in the mounting groove 23, the adjusting sliding rod 31 is arranged at the end of the adjusting ring 33 towards the first shear body 1, the end of the limiting ring 32 towards the adjusting ring 33 is provided with a limiting protrusion 321, the end of the adjusting ring 33 towards the limiting ring 32 is provided with a limiting groove 331 matched with the limiting protrusion 321, the limiting protrusion 321 is inserted in the limiting groove 331, and the locking ring 34 is inserted in the mounting groove 23 through threaded connection, and the locking ring 34 abuts against the adjusting ring 33, so that the adjusting ring 33 cannot rotate.

[0033] Specifically, when adjusting the rib shears opening angle, the locking ring 34 is first rotated until the locking ring 34 is separated from the adjusting ring 33, then the adjusting ring 33 is rotated, the adjusting ring 33 drives the adjusting sliding rod 31 to move until the adjusting sliding rod 31 moves to the set position, after reaching the set position, the locking ring 34 is reversely rotated until the locking ring 34 abuts against the adjusting ring 33 to be fixed, thereby achieving the adjustment of the rib shears opening angle, and having the advantages of simple operation steps and fast adjusting speed.

[0034] As an example, refer to Figures 1 to 5 As shown, in order to facilitate the disassembly and assembly of the adjusting assembly 3, the shear shaft 4 has a rotating part 41 and a connecting part 42, the first shear body 1 is provided with a first rotating hole 14, the rotating part 41 is rotatably inserted in the first rotating hole 14, the connecting part 42 is connected with the limiting ring 32 through threads, and the diameter of the rotating part 41 is greater than that of the connecting part 42.

[0035] Specifically, during disassembly and assembly, the connecting part 42 is quickly fixed by rotating the shear shaft 4, thereby facilitating the disassembly and assembly of the adjusting assembly 3.

[0036] As an example, refer to Figures 1 to 6 As shown, in order to facilitate the disassembly and assembly of the limiting ring 32, the mounting groove 23 is provided with a second rotating hole 231, the connecting part 42 passes through the second rotating hole 231 and is connected with the limiting ring 32, the mounting groove 23 is provided with a through mounting slot 232, the adjusting sliding rod 31 passes through the mounting slot 232 and is slidably inserted in the limiting groove 13.

[0037] Specifically, during disassembly and assembly, the shear shaft 4 passes through the second rotating hole 231 and is connected with the limiting ring 32 through threads, thereby facilitating the disassembly and assembly of the limiting ring 32.

[0038] As an example, refer to Figures 1 to 6As shown, in order to facilitate the disassembly and assembly of the limiting ring 32, a positioning recess 233 is arranged in the mounting groove 23, and a positioning protrusion 322 is arranged on the limiting ring 32, the positioning protrusion 322 is capable of being inserted into the positioning recess 233, and a connecting external thread is arranged on the outer wall of the connecting part 42, and a connecting internal thread matched with the connecting external thread is arranged on the inner wall of the limiting ring 32.

[0039] Specifically, by inserting the positioning protrusion 322 into the positioning recess 233, the direction of the limiting ring 32 is quickly fixed, thereby facilitating the disassembly and assembly of the limiting ring 32.

[0040] As an example, please refer to Figures 1 to 8 As shown, in order to facilitate the disassembly and assembly of the adjusting assembly 3, an adjusting flange 332 extending outward is arranged on one end of the adjusting ring 33 facing the locking ring 34, and the adjusting flange 332 penetrates through the locking ring 34.

[0041] Specifically, the operator can rotate the adjusting flange 332 to drive the rotation of the adjusting ring 33, thereby facilitating the disassembly and assembly of the adjusting assembly 3.

[0042] As an example, please refer to Figures 1 to 8 As shown, in order to facilitate the disassembly and assembly of the adjusting ring 33, a locking external thread is arranged on one end of the locking ring 34 facing the adjusting ring 33, and a locking internal thread matched with the locking external thread is arranged on the inner wall of the mounting groove 23.

[0043] Specifically, the operator can rotate the adjusting ring 33 to fix the adjusting ring 33 with the second shear body 2, thereby facilitating the disassembly and assembly of the adjusting ring 33.

[0044] As an example, please refer to Figures 1 to 8 As shown, in order to facilitate the disassembly and assembly of the adjusting assembly 3, a plurality of locking flanges 341 are arranged on the outer wall of the locking ring 34.

[0045] Specifically, the operator can rotate the locking protrusion to drive the rotation of the locking ring 34, thereby facilitating the disassembly and assembly of the locking ring 34.

[0046] As an example, please refer to Figures 1 to 4 As shown, in order to facilitate the use of the rib shears, a first elastic member 5 is fixed on the first shear body 1 by bolts, and a second elastic member 6 is fixed on the second shear body 2 by bolts, and the first elastic member 5 and the second elastic member 6 can abut each other.

[0047] Specifically, the first elastic member 5 and the second elastic member 6 can both adopt a spring structure design, and through the elastic force of the first elastic member 5 and the second elastic member 6, the first shear body 1 and the second shear body 2 can return to the initial position after shearing, thereby facilitating the use of the rib shears.

[0048] As an example, please refer to Figures 1 to 4As shown, in order to facilitate the use of the rib shears, the first elastic member 5 is provided with a resisting groove 51, and the second elastic member 6 is provided with a resisting head 61 matched with the resisting groove 51.

[0049] Specifically, through the cooperation of the resisting groove 51 and the resisting head 61, the first elastic member 5 and the second elastic member 6 can uniformly release elastic force, facilitating the use of the rib shears.

[0050] The above embodiments are only exemplary embodiments of the utility model and are not used for limiting the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the essence and protection scope of the utility model, and the modification or equivalent replacement should also be regarded as falling within the protection scope of the utility model.

Claims

1. A rib shears opening and closing angle adjusting structure, characterized in that, The utility model relates to a kind of scissors, including: First body (1) has first cutter head (11) in one end, and first handle (12) in the other end, the first body (1) is opened with limiting slot (13) in one end towards second body (2), the limiting slot (13) has first limiting end (131) and second limiting end (132); Second body (2) has second cutter head (21) in one end, and second handle (22) in the other end; Adjusting assembly (3) has one controllable mobile adjusting slide rod (31), the adjusting slide rod (31) is inserted in limiting slot (13), the adjusting slide rod (31) can be in first limiting end (131) and second limiting end (132) abutment; Scissors shaft (4) is fixedly connected in one end with adjusting assembly (3), and rotationally connected in the other end with first body (1), the adjusting slide rod (31) is arc-shaped movement with the center line of scissors shaft (4) as center, and the rotation of first body (1) is limited by the abutment of first limiting end (131).

2. The rib shears opening angle adjustment structure according to claim 1, characterized by: The adjusting assembly (3) includes limiting ring (32), adjusting ring (33) and locking ring (34), the second body (2) is opened with installation recess (23) in one end away from first body (1), the limiting ring (32) is inserted and fixed in installation recess (23), the scissors shaft (4) is connected with limiting ring (32) by thread, the adjusting ring (33) is rotationally inserted in installation recess (23), the adjusting slide rod (31) is arranged in one end of adjusting ring (33) towards first body (1), one end of limiting ring (32) towards adjusting ring (33) is provided with limiting lug (321), one end of adjusting ring (33) towards limiting ring (32) is provided with limiting recess (331) matched with limiting lug (321), the limiting lug (321) is inserted in limiting recess (331), the locking ring (34) is inserted in installation recess (23) by threaded connection, the locking ring (34) and adjusting ring (33) are in abutment, so that the adjusting ring (33) cannot rotate.

3. The rib shears opening angle adjustment structure according to claim 2, characterized by: The scissors shaft (4) has rotating part (41) and connecting part (42), the first body (1) is opened with first rotating hole (14), the rotating part (41) is inserted in first rotating hole (14) by rotating, the connecting part (42) is connected with limiting ring (32) by thread, the diameter of rotating part (41) is greater than the diameter of connecting part (42).

4. The rib shears opening angle adjustment structure according to claim 3, characterized by: The installation recess (23) is opened with second rotating hole (231), the connecting part (42) is connected with limiting ring (32) through second rotating hole (231), the installation recess (23) is opened with through installation through slot (232), the adjusting slide rod (31) passes through installation through slot (232) and is inserted in the limiting slot (13).

5. The rib shears opening angle adjustment structure according to claim 4, characterized by: A positioning groove (233) is arranged in the mounting groove (23), a positioning protrusion (322) is arranged on the limiting ring (32), the positioning protrusion (322) can be inserted into the positioning groove (233), an outer connecting thread is arranged on the outer wall of the connecting part (42), and an inner connecting thread matched with the outer connecting thread is arranged on the inner wall of the limiting ring (32).

6. The rib shears opening angle adjustment structure according to claim 5, characterized by: An adjusting flange (332) extending outward is arranged on one end of the adjusting ring (33) facing the locking ring (34), and the adjusting flange (332) penetrates through the locking ring (34).

7. The rib shears opening angle adjustment structure according to claim 6, characterized by: A locking outer thread is arranged on one end of the locking ring (34) facing the adjusting ring (33), and a locking inner thread matched with the locking outer thread is arranged on the inner wall of the mounting groove (23).

8. The rib shears opening angle adjustment structure according to claim 7, characterized by: A plurality of locking flanges (341) are arranged on the outer wall of the locking ring (34).

9. The rib shears opening angle adjustment structure according to claim 1, characterized by: A first elastic member (5) is fixed on the first cutting body (1), a second elastic member (6) is fixed on the second cutting body (2), and the first elastic member (5) and the second elastic member (6) can abut against each other.

10. The rib shears opening angle adjustment structure according to claim 9, characterized by: An abutting groove (51) is arranged on the first elastic member (5), and an abutting head (61) matched with the abutting groove (51) is arranged on the second elastic member (6).

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