Replaceable clamp group structure

Abstract

The utility model discloses a replaceable plier group structure, which comprises a plier rod and a plier handle, the plier handle comprises a fixed handle and a movable handle movably connected with the fixed handle, the end part of the fixed handle is provided with a connecting port, and one end of the plier rod is clamped into the connecting port; a transmission assembly connected with the movable handle is arranged in the fixed handle, a fixed head and a hinged movable head are arranged at the end, away from the clamp handle, of the clamp rod, a linkage rod connected with the end of the movable head is movably connected in the clamp rod, and the linkage rod and the transmission assembly are arranged in a linkage fit mode. Compared with the prior art, the replaceable forceps group structure has the advantages that operation is convenient, instrument preparation can be reduced, forceps heads can be replaced and used conveniently, and follow-up maintenance and cleaning are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, specifically point to a kind of replaceable forceps group structure. BACKGROUND

[0002] Medical operating forceps are medical tools frequently used by medical workers in daily nursing work, and there are many kinds, such as tissue forceps, operating forceps and hemostatic forceps; they have different shapes, and can be divided into straight head forceps, bent head forceps and flat head forceps according to their different shapes and structures; operating forceps are used frequently in clinical medicine, and have a wide range of applications.

[0003] The medical forceps in the prior art are mostly of one-piece structure, and it is difficult to clean and wash after use, and it is difficult to disinfect the inside; in addition, multiple one-piece medical forceps need to be prepared when using the prior art, and multiple forceps bodies need to be prepared for use of different forceps heads, which makes the use inconvenient. UTILITY MODEL CONTENT

[0004] (I) Problem to be solved

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects, and provide a replaceable forceps group structure which is convenient to operate, can reduce the preparation of instruments, is convenient for replacing and using forceps heads, and is convenient for subsequent maintenance and cleaning.

[0006] (II) Technical solution

[0007] To solve the above technical problems, the utility model provides a technical scheme of a replaceable forceps group structure, characterized by comprising a forceps rod and a forceps handle, the forceps handle comprises a fixed handle and a movable handle movably connected with the fixed handle, an end of the fixed handle is provided with a connecting port, and one end of the forceps rod is clamped into the connecting port.

[0008] A transmission assembly is arranged in the fixed handle and connected with the movable handle, a fixed head and a hinged movable head are arranged at the end of the forceps rod away from the forceps handle, a linkage rod movably connected with the end of the movable head is arranged in the forceps rod, and the linkage rod is movably connected with the transmission assembly.

[0009] As an improvement, a rotating sleeve is sleeved on one end of the forceps rod close to the connecting port, and a vertical sliding groove is recessed in the end of the fixed handle close to the connecting port.

[0010] A positioning sleeve is slidably sleeved in the sliding groove, and the positioning sleeve is fixedly sleeved with the end of the forceps rod.

[0011] As an improvement, a sliding groove and a limiting opening are recessed in the upper end and the lower end of the positioning sleeve respectively, a limiting rod is connected in the sliding groove and arranged in the sliding groove opening, the limiting opening is arranged towards the forceps rod, and two groups of limiting grooves are symmetrically recessed in the outer wall of the rotating sleeve.

[0012] As improvement, the fixed handle is internally provided with two groups of shafts, the end of the movable handle is sleeved with the lower shaft, the upper shaft is sleeved with a driven ratchet, the end of the movable handle is provided with a driving tooth engaged with the driven ratchet, the driven ratchet is hingedly connected with a push rod towards one end of the connecting port, and the linkage rod is sleeved in the push rod.

[0013] As improvement, the end of the push rod is inserted into the rotating sleeve, and the push rod is provided with a protrusion near the driven ratchet, and the driven ratchet is provided with a channel matched with the protrusion.

[0014] As improvement, the movable handle is further connected with a stroke limiting block along the movement direction thereof.

[0015] (Three) beneficial effects

[0016] The utility model discloses compared with prior art has the advantages of: in the application, the installation of two groups of limiting grooves is convenient for the forward or 180° rotation of the clamp rod, and the direction of the head of the clamp can be quickly rotated according to actual conditions;

[0017] Meanwhile, the clamp handle and the clamp rod body can be detached and cleaned separately, which is more convenient for disinfection and cross infection prevention, and different clamp rods can be replaced according to needs during use, and the movable handle is a front handle, improving the stability of the clamp during use.

[0018] The cooperation of the transmission assembly and the linkage rod can drive the clamp head, meeting the use needs of the clamp. DRAWINGS

[0019] Figure 1 It is a structure schematic diagram of a replaceable clamp group structure.

[0020] Figure 2 It is a structure schematic diagram of an explosion view of a replaceable clamp group structure.

[0021] Figure 3 It is a structure schematic diagram of a cross-sectional view of a replaceable clamp group structure.

[0022] Figure 4 It is a structure schematic diagram of a second view of a replaceable clamp group structure.

[0023] As shown in the drawings: 1, clamp rod; 2, clamp handle; 3, fixed handle; 4, movable handle; 5, connecting port; 6, fixed head; 7, movable head; 8, linkage rod; 9, rotating sleeve; 10, sliding groove; 11, positioning sleeve; 12, sliding groove port; 13, limiting port; 14, limiting rod; 15, limiting groove; 16, driven ratchet; 17, driving tooth; 18, push rod; 19, push rod; 20, channel; 21, stroke limiting block. DETAILED DESCRIPTION

[0024] The specific embodiments of the present application will be further described below with reference to the drawings. Identical parts are denoted by identical reference numerals.

[0025] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element, and the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs, and the terms used herein in the specification are intended to describe the specific embodiments of the present application for purposes of illustration only and are not intended to limit the present application, and the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0028] In order to make the content of the present application more easily understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

[0029] Please refer to the drawings carefully Figures 1-4 A replaceable pliers group structure, comprising a plier rod 1 and a plier handle 2, the plier handle 2 comprises a fixed handle 3 and a movable handle 4 movably connected with the fixed handle 3, the end of the fixed handle 3 is provided with a connecting port 5, the plier rod 1 is clamped into the connecting port 5 for use, the plier rod 1 can be disassembled and replaced for use according to needs, and it is also convenient for subsequent cleaning and maintenance.

[0030] In specific use:

[0031] A transmission assembly is arranged in the fixed handle 3 and connected with the movable handle 4, a fixed head 6 and a movable head 7 arranged in a hinged manner are arranged at the end of the plier rod 1 away from the plier handle 2, a linkage rod 8 connected with the end of the movable head 7 is movably arranged in the plier rod 1, the linkage rod 8 is arranged in linkage cooperation with the transmission assembly, the movement of the movable head 7 is completed by driving the linkage rod 8 through the transmission assembly, and the use of the plier head is completed.

[0032] In one of the embodiments

[0033] Transmission assembly: The fixed handle 3 has two sets of shafts, upper and lower. The end of the movable handle 4 is sleeved with the lower shaft. The upper shaft is sleeved with a driven ratchet 16. The end of the movable handle 4 is provided with a driving tooth 17 that meshes with the driven ratchet 16. A push rod 18 is hinged to the end of the driven ratchet 16 facing the connection port 5. The linkage rod 8 is sleeved in the push rod 18. The movement of the linkage rod 8 is controlled by the movement of the push rod 18 to complete the transmission control.

[0034] In one embodiment:

[0035] A rotating sleeve 9 is fitted onto one end of the clamp bar 1 near the connection port 5. A vertically arranged sliding groove 10 is recessed at the end of the fixed handle 3 near the connection port 5. A positioning sleeve 11 is slidably fitted into the sliding groove 10. The positioning sleeve 11 is fitted and fixed to the end of the clamp bar 1. The clamp bar 1 is assembled and used through the positioning sleeve 11.

[0036] More specifically, the upper and lower ends of the positioning sleeve 11 are respectively recessed with a sliding groove 12 and a limiting port 13. A limiting rod 14 is connected inside the sliding groove 10 and is inserted into the sliding groove 12. The limiting port 13 is set towards the clamp rod 1. The outer wall of the rotating sleeve 10 is recessed with two sets of symmetrically arranged limiting grooves 15 in conjunction with the limiting port 13. The setting of the two sets of limiting grooves 15 allows the clamp rod 1 to have two specific installation directions, so that the direction of the clamp head can be changed for use to meet different needs. The targeted setting of the rotating sleeve 9 makes it easy to remember the rotation angle. When disassembling and assembling, the positioning sleeve 11 needs to be pressed to release the locking of the limiting groove 15. The rotating sleeve 9 can be rotated 90° and pulled out to complete the disassembly.

[0037] In one embodiment

[0038] To ensure stable stroke during use, the end of the push rod 18 is inserted into the rotating sleeve 9. The push rod 18 has a protrusion 19 near the driven ratchet 16, and the driven ratchet 16 has a groove 20 to match the protrusion 19. At the same time, the movable handle 4 is also connected to a stroke limit block 21 along its movement direction.

[0039] By squeezing the movable handle, the active gear engages with the driven ratchet to move, thereby adjusting the position of the push rod 18 and controlling the linkage. The end of the linkage is hinged to the moving head, causing it to move and enabling the use of the pliers head.

[0040] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0041] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, which will not be described in detail herein, and the contents not described in detail in the description belong to the prior art known by the professional technical personnel in the field.

[0042] The above describes the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if the ordinary skilled person in the art is inspired, without departing from the creative purpose of the utility model, similar structure modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A replaceable head structure, characterized in that: It includes a clamp lever (1) and a clamp handle (2), the clamp handle (2) includes a fixed handle (3) and a movable handle (4) movably connected with the fixed handle (3), the end of the fixed handle (3) is provided with a connecting port (5), one end of the clamp lever (1) is clamped into the connecting port (5); The fixed handle (3) is provided with a transmission assembly connected with the movable handle (4), the end of the clamp lever (1) away from the clamp handle (2) is provided with a fixed head (6) and a movable head (7) hingedly arranged, the clamp lever (1) is movably connected with a linkage rod (8) connected with the end of the movable head (7), the linkage rod (8) is arranged in linkage with the transmission assembly; The end of the fixed handle (3) is recessed with a vertically arranged sliding groove (10) near the connecting port (5); The sliding groove (10) is slidably provided with a positioning sleeve (11), the positioning sleeve (11) is fixedly sleeved with the end of the clamp lever (1); The positioning sleeve (11) is recessed with a sliding groove (12) and a limiting port (13) at the upper end and the lower end respectively, the sliding groove (10) is connected with a limiting rod (14) arranged in the sliding groove (12), the limiting port (13) is arranged towards the clamp lever (1), the outer wall of the rotating sleeve (9) is recessed with two sets of limiting grooves (15) symmetrically arranged in the limiting port (13).

2. The replaceable head structure according to claim 1, wherein: The fixed handle (3) is provided with two sets of shafts arranged above and below, the end of the movable handle (4) is sleeved with the lower shaft, the upper shaft is sleeved with a driven ratchet wheel (16), the end of the movable handle (4) is provided with a driving tooth (17) engaged with the driven ratchet wheel (16), the driven ratchet wheel (16) is hingedly provided with a push rod (18) towards one end of the connecting port (5), the linkage rod (8) is sleeved in the push rod (18).

3. The replaceable head structure according to claim 2, wherein: The end of the push rod (18) is inserted into the rotating sleeve (9), the push rod (18) is provided with a protruding head (19) near the driven ratchet wheel (16), the driven ratchet wheel (16) is provided with a groove (20) matched with the protruding head (19).

4. The replaceable head structure according to claim 2, wherein: The movable handle (4) is further connected with a stroke limiting block (21) along the movement direction thereof.

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