Clip applier
By designing a clamping pliers that incorporates a linkage structure for feeding and clamping mechanisms, as well as an elastic element for avoiding obstruction, the problems of laborious operation and non-compact structure of existing clamping pliers are solved, achieving a labor-saving and compact operation effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FENGH MEDICAL CO LTD
- Filing Date
- 2024-12-25
- Publication Date
- 2026-04-28
AI Technical Summary
Existing clamping pliers are inconvenient to operate during clamping and clamping processes, resulting in strenuous operation for users and a lack of compact structure.
A clamping pliers was designed, comprising a clamp body assembly, a jaw assembly, and an operating assembly. Through the linkage of the clamping and clamping mechanisms, combined with the avoidance elastic element and the linkage structure, the switching between clamping and clamping states is realized, reducing friction and improving the ease of operation and the compactness of the structure.
It achieves labor-saving operation and compact structural design of the clamp, improving the user's ease of operation and the space utilization efficiency of the equipment.
Smart Images
Figure CN224166361U_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to a clamping clamp. Background Technology
[0002] During surgical procedures, it is necessary to ligate severed tissues or blood vessels to stop bleeding. A common method is to use clamps to apply clamps to the tissues or blood vessels.
[0003] A clipping forceps consists of a clamping chamber and an end effector. The clamping chamber stores clips. A complete clipping process typically includes a clip delivery action and a clip application action. When using a clipping forceps, the forceps perform a clip delivery action to deliver the clips stored in the clamping chamber to the end effector. The forceps then perform a clip application action to drive the end effector to close, causing the clips in the end effector to close and clamp onto tissue or blood vessels, thereby blocking blood flow. Summary of the Invention
[0004] In view of the shortcomings of the prior art, this disclosure aims to provide a clamping clamp.
[0005] This disclosure is achieved through the following technical solution:
[0006] A clamping pliers includes a main body, a clamp body assembly, a jaw assembly, and an operating assembly;
[0007] The jaw assembly is connected to the jaw body assembly;
[0008] The clamp body assembly is connected to the main body, and the clamp body assembly includes a clamping mechanism and a clamping mechanism;
[0009] The operating component includes a clamping handle, which is movably connected to the main body. The clamping handle includes a first grip, a first abutting structure, and an abutting elastic member. The first abutting structure is movably connected to the first grip, and the abutting elastic member abuts against the first grip and against the first abutting structure.
[0010] The clamping clamp has an initial state, a clamping state, and a clamping state;
[0011] In the initial state, the first abutment structure is located in the initial position;
[0012] In the clamping state, in response to the clamping mechanism moving distally along the axial direction of the clamp body assembly to a stop position, the clamping mechanism abuts against the first abutting structure so that the first abutting structure is in a clearance position after moving relative to the first grip from the initial position, and the clearance elastic element stores energy.
[0013] In the clamping state, in response to the movement of the clamping handle relative to the main body, the first abutment structure disengages from the clamping mechanism, and the avoidance elastic member releases energy to move the first abutment structure relative to the first grip to the initial position. The first abutment structure abuts against the clamping mechanism to drive the clamping mechanism to move distally along the axial direction of the clamp body assembly, thereby closing the jaw assembly.
[0014] For example, the first abutment structure is rotatably connected to the first grip, or the first abutment structure is telescopically connected to the first grip.
[0015] For example, the first grip has a first groove, the first abutment structure portion is received in the first groove, the remaining portion of the first abutment structure protrudes relative to the first grip, and the avoidance elastic element is received in the first groove.
[0016] For example, the first abutment structure has a second groove, the clamping handle further includes a first pivot, the first abutment structure is rotatably connected to the first grip via the first pivot, the avoidance elastic element is a torsion spring, the avoidance elastic element surrounds the first pivot, one end of the avoidance elastic element abuts against the inner wall of the first groove, and the other end of the avoidance elastic element abuts against the inner wall of the second groove.
[0017] For example, the first groove has a limiting wall, and in the initial state, the first abutting structure located at the initial position abuts against the limiting wall.
[0018] For example, the operating component further includes a clamping handle, which is movably connected to the main body and is driveably connected to the clamping mechanism; one of the clamping handle and the clamping handle includes a first linkage structure, and the other of the clamping handle and the clamping handle includes a second linkage structure.
[0019] In the clamping state, the clamping handle moves relative to the main body, causing the clamping mechanism to move distally along the axial direction of the clamp body assembly. The first linkage structure and the second linkage structure cooperate with each other, causing the clamping handle to move relative to the main body.
[0020] In the clamping state, the clamping handle moves relative to the main body and relative to the feeding handle, and the second linkage structure is disengaged from the first linkage structure.
[0021] For example, the first linkage structure includes an abutting protrusion, and the second linkage structure includes an abutting wall;
[0022] In the clamping state, the clamping handle moves relative to the main body, and the abutting protrusion abuts against the abutting wall, so that the clamping handle moves relative to the main body;
[0023] In the clamping state, the clamping handle moves relative to the main body and relative to the feeding handle, and the protrusion disengages from the abutment wall.
[0024] For example, the second linkage structure includes a groove, the abutting protrusion is accommodated in the groove, and a portion of the inner sidewall of the groove is the abutting wall.
[0025] For example, the clamping mechanism includes a first pusher and a clamping member connected to each other. The first pusher is configured to drive the clamping member to move distally along the axial direction of the clamp body assembly, so that the clamping member pushes the clamp into the jaw assembly.
[0026] In the clamping state, the first pusher moves distally along the axial direction of the clamp body assembly, causing the clamping member to move distally along the axial direction of the clamp body assembly. In response to the first pusher moving distally to a stop position, the first pusher abuts against the first abutting structure, causing the first abutting structure to move relative to the first grip from the initial position, so that the avoidance elastic member stores energy.
[0027] In the clamping state, in response to the movement of the clamping handle relative to the main body, the first abutting structure disengages from the first pushing member, and the avoidance elastic member releases energy to rotate the first abutting structure relative to the first grip to the initial position. The first abutting structure abuts against the clamping mechanism to drive the clamping mechanism to move distally along the axial direction of the clamp body assembly.
[0028] For example, the first pusher includes a protrusion and an extension, the extension extending axially along the clamp body assembly, the protrusion being connected to the extension and protruding relative to the extension in the circumferential direction of the extension;
[0029] In the clamping state, in response to the first pusher moving distally, there is a gap between the extension and the first abutting structure, and there is a gap between the protrusion and the first abutting structure; in response to the first pusher continuing to move distally to the stop position, the protrusion abuts against the first abutting structure, causing the first abutting structure to move relative to the first grip from the initial position, so that the avoidance elastic member stores energy.
[0030] In the clamping state, in response to the movement of the clamping handle relative to the main body, the first abutment structure disengages from the protrusion, and there is a gap between the extension and the first abutment structure. The avoidance elastic member releases energy to rotate the first abutment structure relative to the first grip to the initial position.
[0031] For example, the operating component further includes a clamping handle, which is movably connected to the main body and is driveably connected to the clamping mechanism. Attached Figure Description
[0032] Figure 1 A perspective view of the clamp provided for some embodiments of this disclosure;
[0033] Figure 2 for Figure 1 The diagram shows a partial cross-sectional view of the clamp, in its initial state.
[0034] Figure 3 for Figure 1 The diagram shows a partial cross-sectional view of the clamping pliers, in which the clamping pliers are in the clamping state and the clamping mechanism moves to a stop position.
[0035] Figure 4 for Figure 1 The diagram shows a partial three-dimensional view of the clamping pliers, in which the clamping pliers are in the clamping state and the clamping mechanism moves to the stop position.
[0036] Figure 5 for Figure 1 The diagram shows a partial cross-sectional view of the clamping pliers, in which the clamping pliers are in the clamping state.
[0037] Figure 6 for Figure 1 The diagram shows the coordination of the clamping handle, clamping handle, clamping mechanism, and clamping mechanism of the clamping clamp.
[0038] Figure 7 for Figure 1 A three-dimensional schematic diagram of the clamping handle of the clamping pliers shown;
[0039] Figure 8 for Figure 7 A three-dimensional schematic diagram of a portion of the clamping handle shown;
[0040] Figure 9 for Figure 7 A three-dimensional schematic diagram of the first grip of the clamping handle shown;
[0041] Figure 10 for Figure 7 A three-dimensional schematic diagram of the first contact structure of the clamping handle shown;
[0042] Figure 11-A A schematic diagram of the clamping handle, clamping mechanism and clamping mechanism of the clamping pliers provided for some other embodiments of the present disclosure, wherein the clamping pliers are in the initial state;
[0043] Figure 11-B for Figure 11-A The diagram shows the clamping handle, the clamping mechanism, and the clamping mechanism of the clamping pliers. The clamping pliers are in the clamping state, and the clamping mechanism moves to the stop position.
[0044] Figure 11-C for Figure 11-A The diagram shows the clamping handle, the clamping mechanism, and the clamping mechanism of the clamping pliers, wherein the clamping pliers are in the applying state;
[0045] Figure 12 for Figure 1 The diagram shows the engagement of the clamping handle and the clamping handle of the clamping pliers, where the clamping pliers are in their initial state.
[0046] Figure 13 for Figure 1 The diagram shows the interaction between the clamping handle and the clamping lever of the clamping pliers. In this diagram, the clamping pliers are in the clamping state, and the clamping mechanism is moving to the distal side but has not yet reached the stop position.
[0047] Figure 14 for Figure 1 The diagram shows the interaction between the clamping handle and the clamping lever of the clamping pliers. In this diagram, the clamping pliers are in the clamping state, and the clamping mechanism moves to the stop position.
[0048] Figure 15 for Figure 1 The diagram shows the interaction between the clamping handle and the clamping handle of the clamping pliers. In this diagram, the clamping pliers are in the clamping state, and the clamping mechanism is moving to the distal side but has not yet reached the stop position.
[0049] Figure 16 for Figure 1 The diagram shows the interaction between the clamping handle and the clamping handle of the clamping pliers. In this diagram, the clamping pliers are in the clamping state, and the clamping mechanism moves to the stop position.
[0050] Figure 17 for Figure 1 A three-dimensional schematic diagram of the clamping handle shown;
[0051] Figure 18 for Figure 1 A three-dimensional schematic diagram of the first pusher of the clamping mechanism shown;
[0052] Figure 19 for Figure 1A three-dimensional schematic diagram of the second pusher of the clamping mechanism of the clamping pliers shown;
[0053] Figure 20 Figure 1 The cross-sectional view of the clamp body assembly and jaw assembly of the clamp shown is shown in the initial state.
[0054] Figure 21 for Figure 1 The cross-sectional view of the clamp body assembly and jaw assembly of the clamp shown shows the clamp in the firing state, with the clamping mechanism starting to move distally.
[0055] Figure 22 for Figure 1 The cross-sectional view of the clamp body assembly and jaw assembly of the clamp shown shows the clamp in the firing state, with the clamping mechanism having moved to the stop position distally.
[0056] Figure 23 for Figure 1 The cross-sectional view of the clamp body assembly and jaw assembly of the clamp shown shows the clamp in the firing state, with the clamping mechanism beginning to move distally.
[0057] Figure 24 for Figure 1 The cross-sectional view of the clamp body assembly and jaw assembly of the clamp shown shows the clamp in the firing state, with the clamping mechanism moving distally and not yet reaching the stop position.
[0058] Figure 25 for Figure 1 The cross-sectional view of the clamp body assembly and jaw assembly of the clamp shown shows the clamp in the firing state, with the clamping mechanism having moved distally to the stop position.
[0059] Figure 26 Figure 1 A three-dimensional schematic diagram of the clamping chamber of the clamping pliers shown;
[0060] Figure 27 for Figure 26 A three-dimensional schematic diagram of the clamping chamber from another angle;
[0061] Figure 28 for Figure 26 A three-dimensional schematic diagram of the clamps stacked in the clamping compartment shown;
[0062] Figure 29 for Figure 26 A top view of the clamps stacked in the clamp compartment shown;
[0063] Figure 30 for Figure 1 The cross-sectional view of a portion of the clamp body assembly and jaw assembly of the clamp shown in another direction, wherein the clamp is in its initial state;
[0064] Figure 31 for Figure 1 The cross-sectional view of the clamp body assembly and jaw assembly of the clamp shown is taken from another direction, in which the clamp is in the firing state and the clamping mechanism begins to move to the distal side.
[0065] Figure 32 for Figure 1 The cross-sectional view of the clamp body assembly and jaw assembly of the clamp shown is taken from another direction, wherein the clamp is in the firing state and the clamping mechanism moves to the stop position.
[0066] Figure 33 for Figure 1 The diagram shows a partial cross-sectional view of the clamp body assembly and jaw assembly of the clamp in another direction, with the clamp returned to its initial state.
[0067] The reference numerals in the above figures are:
[0068] 100 - Main body, 130 - Guide shaft, 140 - Fixed structure;
[0069] 200-Clamp body assembly, 210-Clamping chamber, 211-Clamp, 211a-First clamp, 212-Clamping channel, 212a-Inlet, 212b-Outlet, 213-Biasing component, 214-Support component, 220-Clamping mechanism, 221-First pusher, 221d-Fourth abutment structure, 221g-Protrusion, 221h-Extension, 222-Clamping component, 222a-First pusher, 222b-Second pusher, 222c-Clamping part, 223-First reset component, 230-Clamping mechanism, 231-Second pusher, 231b-Second abutment structure, 232-Clamping component, 232a-First sleeve, 232b-Second sleeve, 232c-Pivot part, 233-Second reset component;
[0070] 300 - Jaw assembly, 310 - Jaw arm;
[0071] 400 - Operating component, 410 - Feeding handle, 411 - Third abutment structure, 411a - Abutment groove, 412 - Second grip, 413 - First linkage structure, 413a - Abutment protrusion, 420 - Applying handle, 421 - First abutment structure, 421a - Second groove, 422 - First grip, 422a - First groove, 422b - Limiting wall, 423 - Avoidance elastic element, 424 - First pivot, 425 - Second linkage structure, 425a - Abutment wall. Detailed Implementation
[0072] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this disclosure. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.
[0073] It is important to understand that the terms "proximal," "posterior," "distal," and "anterior" used in this article are relative to the clinician manipulating the handle assembly of the clamp. "Proximal" and "posterior" refer to the portion closer to the clinician, while "distal" and "anterior" refer to the portion farther from the clinician. That is, the manipulator is the proximal end, and the end effector is the distal end. For example, the proximal end of a component refers to the end relatively closer to the manipulator, while the distal end refers to the end relatively closer to the end effector.
[0074] In this disclosure, unless otherwise expressly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, a movable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, such as contact. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances. It should be noted that when "connected" or "linked" is preceded by a qualifier, it has the meaning defined by that qualifier, excluding only obviously excluding cases, but not other possible cases. For example, "detachable connection" refers to a detachable connection, excluding an integral part, but movable connections are not excluded.
[0075] The term "axial" refers to the length direction of the guide shaft 130.
[0076] Reference Figure 1 This disclosure provides a clamping tool, including a main body 100, a clamp body assembly 200, a jaw assembly 300, and an operating assembly 400.
[0077] The jaw assembly 300 is connected to the jaw body assembly 200; the jaw body assembly 200 is connected to the main body 100, and the jaw body assembly 200 includes a clamping mechanism 220 and a clamping mechanism 230. For example, a clamping chamber 210 is mounted on the jaw body assembly 200, and the clamping chamber 210 stores clamps 211; see reference. Figures 2 to 6 The operating component 400 includes a clamping handle 420, which is movably connected to the main body 100, as shown in the reference. Figure 7 and Figure 8The clamping handle 420 includes a first grip 422, a first abutting structure 421, and an abutting elastic member 423. The first abutting structure 421 is movably connected to the first grip 422; the abutting elastic member 423 abuts against the first grip 422 and against the first abutting structure 421.
[0078] The clamping pliers have an initial state, a clamping state, and a clamping state, as shown in the reference. Figure 2 In the initial state, the first abutment structure 421 is in the initial position. A complete working process of the clamp includes at least the following actions:
[0079] In the clamping state, refer to Figure 3 and Figure 4 In response to the clamping mechanism 220 moving distally along the axial direction of the clamp body assembly 200 to a stop position, the clamping mechanism 220 abuts against the first abutting structure 421 so that the first abutting structure 421 is in a clearance position after moving relative to the first grip 422 from the initial position, and the clearance elastic member 423 stores energy.
[0080] Reference Figure 5 In the clamping state, in response to the movement of the clamping handle 420 relative to the main body 100, the first abutting structure 421 disengages from the clamping mechanism 220, avoids the elastic element 423 releasing energy to move the first abutting structure 421 relative to the first grip 422 to the initial position, and the first abutting structure 421 abuts against the clamping mechanism 230 to drive the clamping mechanism 230 to move distally along the axial direction of the clamp body assembly 200, thereby closing the jaw assembly 300.
[0081] The first abutting structure 421 in the clamping handle 420, which abuts against the clamping mechanism 230, is configured to be rotatably connected to the first grip 422. An abutting elastic element 423 is provided between the first abutting structure 421 and the first grip 422. In the clamping state, when the clamping mechanism 220 moves distally to a stop position, the first abutting structure 421 can move relative to the first grip 422 to avoid the clamping mechanism 220. In the clamping state, the first abutting structure 421 can return to its initial position under the elastic force of the abutting elastic element 423, stably abutting against the clamping mechanism 230, thereby pushing the clamping mechanism 230 distally. Figure 2 , Figure 3 and Figure 5 With the direction as a reference, the above settings help to reduce the size of the clamp in the vertical direction while ensuring the normal operation of the clamp, making the clamp structure more compact.
[0082] There are various ways in which the first abutment structure 421 and the first grip 422 can be movably connected. In some embodiments, refer to... Figures 2 to 5 The first abutment structure 421 is rotatably connected to the first grip 422, so as to Figure 2 , Figure 3 , Figure 5 The directions shown are for reference. In the clamping state, when the clamping mechanism 220 moves to the stop position, the first abutment structure 421 rotates counterclockwise relative to the first handle 422 to avoid the clamping mechanism 220 and avoid the elastic element 423 storing energy. In the clamping state, the clamping handle 420 moves relative to the main body 100, causing the first abutment structure 421 to disengage from the clamping mechanism 220. The avoidance elastic element 423 releases energy, causing the first abutment structure 421 to rotate clockwise to return to the initial position. The first abutment structure 421 abuts against the clamping mechanism 230, causing the clamping mechanism 230 to move to the distance.
[0083] Reference Figure 9 The first grip 422 has a first groove 422a, see reference. Figure 2 , Figure 3 , Figure 5 and Figure 8 The first abutment structure 421 is partially accommodated in the first groove 422a, and the remaining portion of the first abutment structure 421 protrudes relative to the first grip 422. The first abutment structure 421 is configured to rotate within the first groove 422a, and the clearance elastic member 423 is accommodated within the first groove 422a. The first groove 422a provides installation space for the first abutment structure 421 and the clearance elastic member 423, ensuring the stability of their installation.
[0084] For example, refer to Figure 10 The first abutment structure 421 has a second groove 421a, as shown in the figure. Figure 7 and Figure 8 The clamping handle 420 also includes a first rotating shaft 424. The first abutting structure 421 is rotatably connected to the first grip 422 via the first rotating shaft 424. The clearance elastic element 423 is a torsion spring, which surrounds the first rotating shaft 424. One end of the clearance elastic element 423 abuts against the inner wall of the first groove 422a, and the other end abuts against the inner wall of the second groove 421a. The first rotating shaft 424 not only enables the first abutting structure 421 to be rotatably connected to the first grip 422, but also provides an installation limit for the torsion spring, resulting in a simple structure and high stability.
[0085] Reference Figure 9 The first groove 422a has a limiting wall 422b, as shown in the reference. Figure 2 In the initial state, the first abutting structure 421, located in the initial position, abuts against the limiting wall 422b. The limiting wall 422b can limit the stop position of the first abutting structure 421. Thus, when the first abutting structure 421 is in the initial position, the avoidance elastic member 423 still stores energy, thereby ensuring the reliability of the first abutting structure 421 resetting to the initial position in the clamping state.
[0086] In other embodiments, reference is made to Figures 11-A to 11-C The first abutment structure 421 is retractably connected to the first grip 422. (See reference...) Figures 11-A to 11-B In the clamping state, when the clamping mechanism 220 moves to a stop position, the first abutment structure 421 moves away from the clamping mechanism 220 relative to the first grip 422 to avoid the clamping mechanism 220 and avoid the elastic element 423 storing energy; see reference Figure 11-C In the clamping state, the clamping handle 420 moves relative to the main body 100, causing the first abutting structure 421 to disengage from the clamping mechanism 220. The elastic member 423 releases energy, causing the first abutting structure 421 to move away from the first grip 422 to return to its initial position. The first abutting structure 421 abuts against the clamping mechanism 230, causing the clamping mechanism 230 to move to the far side.
[0087] Reference Figures 11-A to 11-C The first grip 422 has a first groove 422a, and a first abutment structure 421 is partially accommodated in the first groove 422a. The remaining portion of the first abutment structure 421 protrudes relative to the first grip 422. The first abutment structure 421 is configured to extend and retract within the first groove 422a, and a clearance elastic member 423 is accommodated within the first groove 422a. The first groove 422a provides installation space for the first abutment structure 421 and the clearance elastic member 423, ensuring the stability of their installation.
[0088] In both of the above embodiments, the first abutting structure 421 and the first groove 422a can be provided with a clearance fit so that the first abutting structure 421 can move smoothly in the first groove 422a.
[0089] Reference Figures 12 to 16 , Figure 7 and Figure 17 The operating component 400 also includes a clamping handle 410, which is movably connected to the main body 100 and is driveably connected to the clamping mechanism 220. The clamping handle 410 includes a first linkage structure 413, and the clamping handle 420 includes a second linkage structure 425. (Refer to...) Figures 12 to 14 In the clamping state, the user moves the clamping handle 410, causing it to move relative to the main body 100. This causes the clamping mechanism 220 to move distally along the axial direction of the clamp body assembly 200. The first linkage structure 413 and the second linkage structure 425 cooperate to allow the clamping handle 420 to move relative to the main body 100. That is, while the clamping handle 410 moves, the clamping handle 420 can move along with it. (Refer to...) Figures 14 to 16In the clamping state, the user moves the clamping handle 420, causing it to move relative to the main body 100 and relative to the delivery handle 410, thus disengaging the second linkage structure 425 from the first linkage structure 413. For ease of explanation, the distance between the delivery handle 410 and the clamping handle 410 in the initial state is referred to as the initial distance. The specific concept of "distance" here is determined based on factors such as the installation method and movement method of the delivery handle 410 and the clamping handle 420, and may be a distance in length or an angle in angle. In the clamping state, the clamping handle 410 moves with the delivery handle 410, ensuring that the distance between the clamping handle 420 and the delivery handle 410 is the same as or close to the initial distance, so that the user can move the clamping handle 420.
[0090] There are various specific structures for the first linkage structure 413 and the second linkage structure 425, for example, referring to Figures 12 to 16 and Figure 17 The first linkage structure 413 includes an abutment protrusion 413a, as shown in the figure. Figures 12 to 16 and Figure 7 The second linkage structure 425 includes an abutment wall 425a. (See reference...) Figures 12 to 14 In the clamping state, the clamping handle 410 moves relative to the main body 100, and the abutment protrusion 413a abuts against the abutment wall 425a, causing the clamping handle 430 to move relative to the main body 100; see reference. Figures 14 to 16 In the clamping state, the clamping handle 420 moves relative to the main body 100 and relative to the feeding handle 410, and the abutting protrusion 413a disengages from the abutting wall 425a.
[0091] There are various ways in which the abutment wall 425a can be formed, for example, refer to Figures 12 to 16 and Figure 7 The second linkage structure 425 includes a groove, and the abutting protrusion 413a is accommodated in the groove. A portion of the inner sidewall of the groove is the abutting wall 425a. Alternatively, the second linkage structure 425 can be a protrusion structure, and a portion of the outer sidewall of the protrusion structure is the abutting wall 425a.
[0092] Reference Figures 20 to 25 The clamping mechanism 220 includes a first pusher 221 and a clamping member 222 connected to each other. The first pusher 221 is configured to drive the clamping member 222 to move distally along the axial direction of the clamp body assembly 200, so that the clamping member 222 pushes the clamp 211 into the jaw assembly 300.
[0093] Reference Figure 2 , Figure 3 , Figures 20 to 22 In the clamping state, the first pusher 221 moves distally along the axial direction of the clamp body assembly 200, causing the clamping member 222 to move distally along the axial direction of the clamp body assembly 200, as shown in the reference. Figure 3In response to the first pusher 221 moving to a stop position, the first pusher 221 abuts against the first abutting structure 421, causing the first abutting structure 421 to move relative to the first grip 422 from its initial position, so that the avoidance elastic member 423 stores energy.
[0094] Reference Figure 5 , Figures 23 to 25 In the clamping state, in response to the movement of the clamping handle 420 relative to the main body 100, the first abutting structure 421 disengages from the first pusher 221, avoids the elastic member 423 releasing energy to cause the first abutting structure 421 to rotate relative to the first grip 422 to the initial position, and the first abutting structure 421 abuts against the clamping mechanism 230 to drive the clamping mechanism 230 to move distally along the axial direction of the clamp body assembly 200.
[0095] For example, refer to Figure 18 The first pusher 221 includes a protrusion 221g and an extension 221h. The extension 221h extends along the axial direction of the clamp body assembly 200. The protrusion 221g is connected to the extension 221h and protrudes relative to the extension 221h in the circumferential direction of the extension 221h.
[0096] Reference Figures 2 to 4 In the clamping state, in response to the first pusher 221 moving distally, there is a gap between the extension 221h and the first abutting structure 421, and there is also a gap between the protrusion 221g and the first abutting structure 421. That is, at this time, the first abutting structure 421 and the first pusher 221 do not contact each other, so the first abutting structure 421 and the first pusher 221 will not generate friction. Taking the embodiment where the clamping mechanism 220 is driven by the clamping handle 410 as an example, the clamping handle 410 is subjected to less force, and it is easier to operate the clamping handle 410. In response to the clamping handle 410 continuing to move relative to the main body 100, causing the first pusher 221 to continue moving distally to the stop position, the protrusion 221g abuts against the first abutting structure 421, causing the first abutting structure 421 to move relative to the first grip 422 from the initial position, so that the avoidance elastic member 423 stores energy.
[0097] Reference Figure 5 In the clamping state, in response to the movement of the clamping handle 420 relative to the main body 100, the first abutting structure 421 disengages from the protrusion 221g, and there is a gap between the extension 221h and the first abutting structure 421. The elastic member 423 releases energy to rotate the first abutting structure 421 relative to the first grip 422 to the initial position. At this time, the first abutting structure 421 and the first push member 221 return to a non-contact state. The first abutting structure 421 is no longer subjected to frictional force from the first push member 221, the clamping handle 420 is subjected to less force, and it is easier to operate the clamping handle 420.
[0098] The following combination Figures 20 to 33 The structure and operation of the clamping mechanism 220, clamping mechanism 230, and clamping chamber 210 in some embodiments of the present disclosure are described. It should be noted that the following content is merely illustrative and is not intended to limit the present disclosure.
[0099] Reference Figures 2 to 5 , Figures 20 to 25 The main body 100 includes a guide shaft 130 extending axially along the clamp body assembly 200. The first pusher 221 and the second pusher 231 are slidably connected to the guide shaft 130. The guide shaft 130 provides an installation position and guidance for the clamping mechanism 220 and the clamping mechanism 230, thereby improving the structural stability and operational stability of the clamp.
[0100] Reference Figures 20 to 25 The clamping member 222 includes a first pushing part 222a, a second pushing part 222b, and a clamping part 222c connected sequentially from the proximal side to the distal side. The first pushing part 222a is connected to the first pushing member 221. The second pushing part 222b has elastic deformation capability. The clamping member 222c is used to push the clamp 211. The clamping member 232 includes a first sleeve 232a, a second sleeve 232b, and a pivoting part 232c. The first sleeve 232a and the second sleeve 232b are rotatably connected through the pivoting part 232c. When the second sleeve 232b rotates relative to the first sleeve 232a, the second pushing part 222b can deform. The first sleeve 232a is connected to the second pushing member 231. The jaw assembly 300 is located at the distal end of the second sleeve 232b. The clamping member 222 is accommodated inside the clamping member 232. The axial direction of the jaw assembly 200 is the length direction of the first sleeve 232a.
[0101] Reference Figures 20 to 25 The clamping mechanism 220 further includes a first reset member 223, which is disposed between the main body 100 and the first pusher 221. The first reset member 223 is configured to store energy when the operating component 400 drives the first pusher 221 to move distally, and to release energy to move the first pusher 221 proximally to reset the clamping mechanism 220. The clamping mechanism 230 further includes a second reset member 233, which is disposed between the main body 100 and the second pusher 231. The second reset member 233 is configured to store energy when the operating component 400 drives the second pusher 231 to move distally, and to release energy to move the second pusher 231 proximally to reset the clamping mechanism 230. After the firing state ends, the external force applied to the clamping mechanism 220 and the clamping mechanism 230 by the operating component 400 is removed. Without additional operation, the first reset member 223 and the second reset member 233 can release energy to reset the clamping mechanism 220 and the clamping mechanism 230. The operation of the clamping pliers is relatively simple and easy to use.
[0102] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5 Both the clamping handle 410 and the clamping handle 420 are rotatably connected to the main body 100. For example, refer to... Figure 1 , Figure 2 , Figure 3 and Figure 5 The rotation axis of the clamping handle is parallel to and spaced apart from the rotation axis of the clamping handle.
[0103] Reference Figure 6 , Figure 17 and Figure 18 The clamping handle 410 has a third abutment structure 411, and the clamping mechanism 220 has a fourth abutment structure 221d. The third abutment structure 411 and the fourth abutment structure 221d are movably engaged, for example, referring to... Figure 18 The first pusher 221 has a fourth abutment structure 221d; refer to Figure 6 , Figure 7 and Figure 19 The clamping handle 420 has a first abutment structure 421, and the clamping mechanism 230 has a second abutment structure 231b. The first abutment structure 421 and the second abutment structure 231b are movably engaged, for example, referring to... Figure 19 The second pusher 231 has a second abutment structure 231b.
[0104] by Figure 2 , Figure 3 , Figure 5 The directions shown are for reference only. Figures 2 to 4 In response to the counterclockwise rotation of the clamping handle 410, the third abutment structure 411 abuts against the fourth abutment structure 221d, causing the clamping handle 410 to drive the clamping mechanism 220 to move distally; see reference. Figures 4 to 6 In response to the counterclockwise rotation of the clamping handle 420, the first abutting structure 421 abuts against the second abutting structure 231b, causing the clamping handle 420 to drive the clamping mechanism 230 to move to the distal side.
[0105] The width direction of the main body 100 is perpendicular to the pushing direction of the clamping mechanism 220, so as to... Figure 2 , Figure 3 , Figure 5 The directions shown are for reference only; the width direction of the main body 100 is perpendicular to the paper. (Reference) Figure 17 In the width direction of the main body 100, a third abutment structure 411 is provided on both sides of the clamping handle 410; refer to Figure 18 The first pusher 221 has a fourth abutment structure 221d on both sides, as shown in the figure. Figure 6Each third abutment structure 411 corresponds to a fourth abutment structure 221d. (Refer to...) Figure 7 The clamping handle 420 has a first abutment structure 421; see reference Figure 19 The second pusher 231 has a second abutment structure 231b, as shown in the figure. Figure 6 In the width direction of the main body 100, the first abutting structure 421 and the second abutting structure 231b are both located between the two third abutting structures 411. As a result, the clamping mechanism 220 and the clamping mechanism 230 are subjected to relatively balanced forces and occupy less space.
[0106] Reference Figure 17 The third abutment structure 411 has an abutment groove 411a, as shown in the figure. Figure 18 The fourth abutment structure 221d is a protruding structure, see reference. Figure 6 The fourth abutment structure 221d is accommodated in the abutment groove 411a. In response to rotation of the feed handle 410 in a first direction, the inner wall of the abutment groove 411a pushes against the fourth abutment structure 221d, causing the feed mechanism 220 to move distally; in response to movement of the feed mechanism 220 proximally, the fourth abutment structure 221d pushes against the inner wall of the abutment groove 411a, causing the feed handle 410 to rotate in a second direction. (See reference...) Figure 17 The clamping handle 410 also includes a second grip 412 and a third abutment structure 411 connected to the second grip 412. The second grip 412 is used to provide a force application position for the user. The force application position is located on one side of the rotation axis of the clamping handle 410. The third abutment structure 411 is used to cooperate with the position of the fourth abutment structure 221d located on the other side of the rotation axis of the clamping handle 410.
[0107] Reference Figure 7 and Figure 19 Both the first abutment structure 421 and the second abutment structure 231b are protruding structures. The first grip 422 is used to provide a force application position for the user, and the force application position is located on one side of the rotation axis of the application handle 420. The first abutment structure 421 is used to cooperate with the second abutment structure 231b, which is located on the other side of the rotation axis of the clamping handle 420.
[0108] Reference Figures 26 to 33The clamping chamber 210 has a clamping channel 212, with an inlet 212a and an outlet 212b at opposite ends. The clamping chamber 210 stores a plurality of clamps 211, which are stacked sequentially in a direction perpendicular to the inlet 212a to the outlet 212b, with one clamp 211 located in the clamping channel 212. The clamping chamber 210 is also provided with a biasing member 213 and a support member 214. The support member 214 is movably disposed inside the clamping chamber 210 and has a groove for accommodating a single clamp 211. The support member 214 can maintain the orderly stacking of the plurality of clamps 211. One end of the biasing member 213 abuts against the support member 214 to apply a force toward the clamping channel 212 to the plurality of clamps 211 in the clamping chamber 210.
[0109] Reference Figures 20 to 25 The main body 100 is connected to a fixed structure 140. The jaw assembly 300 includes two jaw arms 310, each of which is rotatably connected to the fixed structure 140 at one end.
[0110] Reference Figures 20 to 25 , Figures 30 to 33 The clamping chamber 210 is installed on the second sleeve 232b. The inlet 212a of the clamping channel 212 is used to feed the clamping piece 222 in, and the outlet 212b is connected to the jaw assembly 300.
[0111] In the initial state, refer to Figure 20 and Figure 30 One of the clamps 211 in the clamping chamber 210 is located in the clamping channel 212. For ease of description, this clamp 211 is named the first clamp 211a. The clamping part 222c of the clamping member 222 is located at the entrance 212a of the clamping chamber 210.
[0112] The clamp is engaged in the firing position, refer to... Figure 21 and Figure 22 , Figure 31 and Figure 32 The operating component 400 drives the first pusher 221 to move distally, causing the clamping member 222 to move distally. The clamping part 222c moves distally along the clamping channel 212 and abuts against the first clamp 211a located in the clamping channel 212. The clamping part 222c continues to move distally so that the first clamp 211a in the clamping channel 212 enters the jaw assembly 300 through the outlet 212b; then, referring to... Figures 23 to 25 The operating component 400 drives the second pusher 231 to move distally, causing the clamping member 232 to move distally. The first sleeve 232a pushes the second sleeve 232b to move distally through the pivot part 232c. The second sleeve 232b houses part of the clamp arm 310 inside, so that the two clamp arms 310 move closer to each other, thereby causing the first clamp 211a in the jaw assembly 300 to close.
[0113] The clamp enters the reset state, refer to... Figure 33 The feed clamp 222 moves to the proximal side, so that the feed clamp 222c returns to its initial position after passing through the feed clamp channel 212, and the feed clamp channel 212 is emptied. The biasing member 213 releases energy and pushes the support member 214 to move in the direction of the feed clamp channel 212, so that the remaining clamps 211 in the clamping chamber 210 move in the direction of the feed clamp channel 212 until one clamp 211 reaches the feed clamp channel 212, preparing for the next firing.
[0114] In summary, in the clamping pliers provided in this embodiment, the first abutting structure 421 of the clamping handle 420 for abutting the clamping mechanism 230 is configured to be rotatably connected to the first grip 422, and an abutment elastic member 423 is provided between the first abutting structure 421 and the first grip 422. In the clamping state, when the clamping mechanism 220 moves distally to a stop position, the first abutting structure 421 can move relative to the first grip 422 to avoid the clamping mechanism 220; in the clamping state, the first abutting structure 421 can return to its initial position under the elastic force of the abutment elastic member 423 to stably abut the clamping mechanism 230, thereby pushing the clamping mechanism 230 distally. Figure 2 , Figure 3 and Figure 5 With the direction as a reference, the above settings help to reduce the size of the clamp in the vertical direction while ensuring the normal operation of the clamp, making the clamp structure more compact.
[0115] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
[0116] The detailed descriptions listed above are merely specific descriptions of feasible implementations of this disclosure and are not intended to limit the scope of protection of this disclosure. All equivalent implementations or modifications made without departing from the spirit of the art of this disclosure should be included within the scope of protection of this disclosure.
Claims
1. A clamping pliers, characterized in that, Includes the main body, clamp body assembly, jaw assembly, and operating components; The jaw assembly is connected to the jaw body assembly; The clamp body assembly is connected to the main body, and the clamp body assembly includes a clamping mechanism and a clamping mechanism; The operating component includes a clamping handle, which is movably connected to the main body. The clamping handle includes a first grip, a first abutment structure, and an abutment elastic member. The first abutment structure is movably connected to the first grip, and the abutment elastic member abuts against the first grip and against the first abutment structure. The clamping clamp has an initial state, a clamping state, and a clamping state; In the initial state, the first abutment structure is located in the initial position; In the clamping state, in response to the clamping mechanism moving distally along the axial direction of the clamp body assembly to a stop position, the clamping mechanism abuts against the first abutting structure so that the first abutting structure is in a clearance position after moving relative to the first grip from the initial position, and the clearance elastic element stores energy. In the clamping state, in response to the movement of the clamping handle relative to the main body, the first abutment structure disengages from the clamping mechanism, and the avoidance elastic member releases energy to move the first abutment structure relative to the first grip to the initial position. The first abutment structure abuts against the clamping mechanism to drive the clamping mechanism to move distally along the axial direction of the clamp body assembly, thereby closing the jaw assembly.
2. The clamping pliers according to claim 1, characterized in that, The first abutment structure is rotatably connected to the first grip, or the first abutment structure is telescopically connected to the first grip.
3. The clamping forceps according to claim 1, characterized in that, The first grip has a first groove, the first abutting structure portion is accommodated in the first groove, the remaining portion of the first abutting structure protrudes relative to the first grip, and the avoidance elastic element is accommodated in the first groove.
4. The clamping pliers according to claim 3, characterized in that, The first abutting structure has a second groove, and the clamping handle further includes a first rotating shaft. The first abutting structure is rotatably connected to the first grip via the first rotating shaft. The avoidance elastic element is a torsion spring. The avoidance elastic element surrounds the first rotating shaft. One end of the avoidance elastic element abuts against the inner wall of the first groove, and the other end of the avoidance elastic element abuts against the inner wall of the second groove.
5. The clamping pliers according to claim 4, characterized in that, The first groove has a limiting wall, and in the initial state, the first abutting structure located at the initial position abuts against the limiting wall.
6. The clamping pliers according to claim 1, characterized in that, The operating component further includes a clamping handle, which is movably connected to the main body and is driveably connected to the clamping mechanism; one of the clamping handle and the clamping handle includes a first linkage structure, and the other of the clamping handle and the clamping handle includes a second linkage structure. In the clamping state, the clamping handle moves relative to the main body, causing the clamping mechanism to move distally along the axial direction of the clamp body assembly. The first linkage structure and the second linkage structure cooperate with each other, causing the clamping handle to move relative to the main body. In the clamping state, the clamping handle moves relative to the main body and relative to the feeding handle, and the second linkage structure is disengaged from the first linkage structure.
7. The clamping pliers according to claim 6, characterized in that, The first linkage structure includes an abutting protrusion, and the second linkage structure includes an abutting wall; In the clamping state, the clamping handle moves relative to the main body, and the abutting protrusion abuts against the abutting wall, so that the clamping handle moves relative to the main body; In the clamping state, the clamping handle moves relative to the main body and relative to the feeding handle, and the protrusion disengages from the abutment wall.
8. The clamping pliers according to claim 7, characterized in that, The second linkage structure includes a groove, the abutting protrusion is accommodated in the groove, and a portion of the inner wall of the groove is the abutting wall.
9. The clamping pliers according to claim 1, characterized in that, The clamping mechanism includes a first pusher and a clamping member connected to each other. The first pusher is configured to drive the clamping member to move distally along the axial direction of the jaw assembly, so that the clamping member pushes the clamp into the jaw assembly. In the clamping state, the first pusher moves distally along the axial direction of the clamp body assembly, causing the clamping member to move distally along the axial direction of the clamp body assembly. In response to the first pusher moving distally to a stop position, the first pusher abuts against the first abutting structure, causing the first abutting structure to move relative to the first grip from the initial position, so that the avoidance elastic member stores energy. In the clamping state, in response to the movement of the clamping handle relative to the main body, the first abutment structure disengages from the first pusher, and the avoidance elastic member releases energy to rotate the first abutment structure relative to the first grip to the initial position. The first abutment structure abuts against the clamping mechanism to drive the clamping mechanism to move distally along the axial direction of the clamp body assembly.
10. The clamping pliers according to claim 9, characterized in that, The first pusher includes a protrusion and an extension, the extension extending along the axial direction of the clamp body assembly, the protrusion being connected to the extension and protruding relative to the extension in the circumferential direction of the extension; In the clamping state, in response to the first pusher moving distally, there is a gap between the extension and the first abutting structure, and there is a gap between the protrusion and the first abutting structure; in response to the first pusher continuing to move distally to the stop position, the protrusion abuts against the first abutting structure, causing the first abutting structure to move relative to the first grip from the initial position, so that the avoidance elastic member stores energy. In the clamping state, in response to the movement of the clamping handle relative to the main body, the first abutment structure disengages from the protrusion, and there is a gap between the extension and the first abutment structure. The avoidance elastic member releases energy to rotate the first abutment structure relative to the first grip to the initial position.
11. The clamping pliers according to claim 1, characterized in that, The operating component also includes a clamping handle, which is movably connected to the main body and is driveably connected to the clamping mechanism.