CN220632177U - Novel clamping pliers - Google Patents

Abstract

The utility model discloses a novel clamping pliers, which comprises an outer barrel, a movable handle and a fixed handle, wherein a clamping mechanism is arranged at one end of the outer barrel, far away from the fixed handle, a third limiting groove is formed in the fixed handle, a plurality of clamping blocks are uniformly distributed and fixed in the third limiting groove and positioned at one side, far away from the clamping mechanism, of the fixed handle, and the novel clamping pliers also comprise a self-locking pull rod, one end of the self-locking pull rod is rotationally connected with the movable handle, and one end, far away from the movable handle, of the self-locking pull rod slides in the third limiting groove. According to the novel clamping pliers, when the movable handle is loosened, the end, away from the movable handle, of the self-locking pull rod can generate an upward force, so that the end, away from the movable handle, of the self-locking pull rod is clamped with the clamping block, and the clamping mechanism can continuously clamp foreign matters in the inner cavity of a patient, so that the portability of the device in use is improved.

Description

Novel clamping pliers

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a novel clamping forceps.

Background

The pliers are divided into industrial pliers and medical pliers, and the industrial pliers are hand tools for clamping and fixing a processed workpiece or twisting, bending and cutting metal wires. The pliers are V-shaped in shape and generally comprise three parts, namely a handle, a cheek and a mouth. The medical clamp is used for clamping articles such as gauze, absorbent cotton and the like, and also is used for taking out foreign matters and the like in the inner cavity or wounds of a patient.

The laparoscope grasping forceps with the publication number of CN21417718U comprises a forceps tube, wherein forceps heads are arranged at the front part of the forceps tube, and a fixed handle and a movable handle are arranged on a forceps body at the rear part of the forceps tube. The laparoscopic grasping forceps adopts four forceps heads, and through the rubber layer and the grooves on the forceps heads, friction is increased, tissue grasping is more stable, pressure on blood vessels and nerves in the tissues is reduced, the effect of current protection on the nerves can be achieved, the nerves are prevented from being damaged by current of an electrotome and the like, meanwhile, the laparoscopic grasping forceps can be connected with a suction device, liquid at an operation part is conveniently sucked away during operation through a switch on a handle, and an operation field of view is guaranteed.

However, when the present inventors embodied this device, the following drawbacks were found to exist: the laparoscopic grasping forceps need to continuously apply force to the handle when in grasping, otherwise slipping is easy to occur, and the laparoscopic grasping forceps are inconvenient to use.

Disclosure of Invention

Based on this, it is necessary to provide a novel clamp to above-mentioned technical problem, through pinching movable handle and fixed handle, make the auto-lock pull rod move to the direction that is close to fixed handle, the one end that movable handle was kept away from to the auto-lock pull rod moves to fixed handle's bottom in the inside of third spacing groove, when loosening movable handle, the one end that movable handle was kept away from to the auto-lock pull rod can produce an ascending power, thereby make the one end and the joint piece joint that movable handle was kept away from to the auto-lock pull rod, when loosening movable handle, the foreign matter to patient's inner chamber that fixture can be continuous is held, the foreign matter of avoiding the centre gripping takes place the slippage or drops, the portability that the hoisting device used.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the novel clamp comprises the following components: the automatic clamping device comprises an outer barrel, a movable handle and a fixed handle, wherein the movable handle is rotationally connected with the fixed handle, a first spring is arranged between the movable handle and the fixed handle, one end of the outer barrel is fixed at the top of the fixed handle, one end of the outer barrel, which is far away from the fixed handle, is provided with a clamping mechanism, a third limiting groove is formed in the inner part of the fixed handle, a plurality of clamping blocks are uniformly distributed on one side, which is far away from the clamping mechanism, of the inner part of the third limiting groove, and the automatic clamping device further comprises a self-locking pull rod, one end of the self-locking pull rod is rotationally connected with the movable handle, and one end, which is far away from the movable handle, of the self-locking pull rod slides in the third limiting groove.

As a preferred embodiment of the novel clamping pliers provided by the utility model, the novel clamping pliers further comprise a movable rod, the front surface and the back surface of the movable handle are symmetrically provided with second limit grooves, the movable rod is positioned in the movable handle, two sides of the movable rod are respectively and slidably connected in the second limit grooves, a connecting rod is fixed in the self-locking pull rod, and a second spring is arranged between the connecting rod and the second limit grooves.

As a preferred implementation mode of the novel clamping pliers, pushing blocks are symmetrically fixed at two ends of the moving rod, an elastic block is fixed in the movable handle and located at one side, close to the fixed handle, of the second limiting groove, and a limiting ball head is fixed at one end of the elastic block and located at one side, close to the movable handle.

As a preferred embodiment of the novel clamping pliers provided by the utility model, the front surface and the back surface of the movable handle and one side of the second limiting groove, which is close to the fixed handle, are respectively and symmetrically provided with limiting holes, and the limiting ball heads are used for being clamped into the limiting holes.

As a preferred embodiment of the novel clamping pliers, the clamping mechanism comprises a clamping head, the clamping head is fixed at one end of the outer barrel far away from the fixed handle, clamping plates are symmetrically and rotatably connected to one end of the clamping head far away from the outer barrel, and an incomplete gear is fixed at one end of the clamping plates close to the clamping head.

As a preferred embodiment of the novel clamping pliers, a sliding block is slidably connected to the inside of the chuck and is positioned at one end close to the fixed handle, a double-sided rack is fixed to one end, away from the fixed handle, of the sliding block, and two sides of the double-sided rack are respectively meshed with the incomplete gear.

As a preferred implementation mode of the novel clamping pliers, one side, close to the fixed handle, of the sliding block is rotatably connected with the transmission rod, the transmission rod is positioned in the outer barrel, one end, far away from the clamping head, of the transmission rod is fixed with the driving rod, and first limiting grooves are symmetrically formed in two sides of the outer barrel.

As a preferred implementation mode of the novel clamping pliers, one end of the movable handle, which is close to the outer cylinder, penetrates through the fixed handle to fix the U-shaped frame, U-shaped grooves are symmetrically formed in two sides of the U-shaped frame, and two ends of the driving rod penetrate through the first limiting grooves to be respectively and slidably connected in the U-shaped grooves.

Compared with the prior art, the utility model has the following beneficial effects:

1. through pinching movable handle and fixed handle, make the auto-lock pull rod move to the direction that is close to fixed handle, the one end that movable handle was kept away from to the auto-lock pull rod moves to fixed handle's bottom in the inside of third spacing groove, when loosening movable handle, the one end that movable handle was kept away from to the auto-lock pull rod can produce an ascending power to make the one end and the joint piece joint that movable handle was kept away from to the auto-lock pull rod, make when loosening movable handle, the foreign matter to in the patient inner chamber that clamping mechanism can be continuous is carried out the centre gripping, avoid the foreign matter of centre gripping to take place the slippage or drop, the portability that hoisting device used.

2. The pushing block is pushed upwards or downwards, so that the elastic block drives the limiting ball head to be clamped into the limiting hole and drives the moving rod to move up and down, the self-locking function of the movable handle and the fixed handle can be opened or closed, and the portability of the device in use can be improved in one step.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the movable handle and the fixed handle of the present utility model;

FIG. 3 is a schematic view of the structure of the inside of the movable handle of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the inside of the movable handle of the present utility model;

FIG. 5 is a schematic view of the structure of the side of the transmission rod close to the movable handle;

FIG. 6 is a schematic view of a clamping mechanism according to the present utility model;

fig. 7 is a schematic view of the structure of the inside of the chuck according to the present utility model.

The labels in the figures are illustrated below:

1. an outer cylinder; 2. a movable handle; 3. a fixed handle; 4. a transmission rod; 5. a first limit groove; 6. a driving rod; 7. a U-shaped frame; 8. a U-shaped groove; 9. a clamping block; 10. a self-locking pull rod; 11. a first spring; 12. the second limit groove; 13. a connecting rod; 14. a pushing block; 15. a second spring; 16. a third limit groove; 17. a slide block; 18. an elastic block; 19. limiting ball heads; 20. a limiting hole; 21. a moving rod; 22. a chuck; 23. a clamping plate; 24. double-sided racks; 25. incomplete gear.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As mentioned in the background art, a laparoscopic grasper requires a continuous force on the handle during grasping, otherwise slippage is easily generated, and the use is very inconvenient.

In order to solve the technical problem, the utility model provides a novel clamping forceps.

Specifically, referring to fig. 1-3, a novel clamp comprises: the novel self-locking device comprises an outer barrel 1, a movable handle 2 and a fixed handle 3, wherein the movable handle 2 is rotationally connected with the fixed handle 3, a first spring 11 is arranged between the movable handle 2 and the fixed handle 3, one end of the outer barrel 1 is fixed at the top of the fixed handle 3, one end of the outer barrel 1, far away from the fixed handle 3, is provided with a clamping mechanism, a third limit groove 16 is formed in the inner part of the fixed handle 3, a plurality of clamping blocks 9 are uniformly distributed on one side, far away from the clamping mechanism, of the inner part of the third limit groove 16, the novel self-locking device further comprises a self-locking pull rod 10, one end of the self-locking pull rod 10 is rotationally connected with the movable handle 2, and one end, far away from the movable handle 2, of the self-locking pull rod 10 slides in the inner part of the third limit groove 16.

According to the novel clamping pliers provided by the utility model, the movable handle 2 and the fixed handle 3 are pinched to enable the self-locking pull rod 10 to move towards the direction close to the fixed handle 3, one end of the self-locking pull rod 10 away from the movable handle 2 moves towards the bottom of the fixed handle 3 in the third limit groove 16, and when the movable handle 2 is loosened, one end of the self-locking pull rod 10 away from the movable handle 2 can generate an upward force, so that one end of the self-locking pull rod 10 away from the movable handle 2 is clamped with the clamping block 9, and when the movable handle 2 is loosened, the clamping mechanism can continuously clamp foreign matters in the inner cavity of a patient, so that the clamped foreign matters are prevented from slipping or falling, and the portability of the device in use is improved.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to figures 1-2 of the drawings,

including urceolus 1, movable handle 2 and fixed handle 3 rotate to be connected, be provided with first spring 11 between movable handle 2 and the fixed handle 3, the one end of urceolus 1 is fixed at the top of fixed handle 3, the one end that fixed handle 3 was kept away from to urceolus 1 is provided with fixture, be arranged in grabbing the foreign matter in the patient's inner chamber through fixture, third spacing groove 16 has been seted up to the inside of fixed handle 3, the inside and one side equipartition that is located the mechanism of keeping away from the centre gripping of third spacing groove 16 are fixed with a plurality of joint piece 9, still include self-locking pull rod 10, the one end and the movable handle 2 of self-locking pull rod 10 rotate to be connected, the one end that movable handle 2 was kept away from to self-locking pull rod 10 slides in the inside of third spacing groove 16, specifically, when using, through pinching movable handle 2 and fixed handle 3, to apply force to fixture, thereby snatch the foreign matter in the patient's inner chamber, when pinching movable handle 2 and fixed handle 3, self-locking pull rod 10 can move to the direction near fixed handle 3, the one end that movable handle 2 was kept away from in the inside of third spacing groove 16 is kept away from to the inside, one end that the fixed handle 2 is kept away from to the motion to the fixed handle 2, when the self-locking pull rod 2 is kept away from the motion 2, and the tip 2 when the self-locking pull rod 2 is kept away from the movable handle 2, and the tip 2 is kept away from the movable handle 2 when the tip 2, and the user is kept away from the movable handle 2, and the tip-locking device is kept away from the user, and the self-locking device can keep away from the user.

Referring to figures 3-4 of the drawings,

the movable handle 2 is provided with a first limiting groove 12, a first spring 15 is arranged between the first limiting groove 12 and the first limiting groove 12, one end of the first spring 15 is fixed with the first limiting groove 13, and the other end of the first spring 15 is fixed with the first limiting groove 21;

when the self-locking handle is used, when the moving rod 21 is positioned at the bottom of the self-locking pull rod 10, which is close to one end of the movable handle 2, the second spring 15 pulls the self-locking pull rod 10 through the connecting rod 13, so that the end of the self-locking pull rod 10, which is far away from the movable handle 2, obtains an elastic force for rotating downwards, and further, the end of the self-locking pull rod 10, which is far away from the movable handle 2, can be clamped with the clamping block 9, so that the movable handle 2 and the fixed handle 3 are self-locked;

when the movable rod 21 is located above the end, close to the movable handle 2, of the self-locking pull rod 10, the second spring 15 pulls the self-locking pull rod 10 through the connecting rod 13, so that the end, far away from the movable handle 2, of the self-locking pull rod 10 obtains upward rotating elastic force, the end, far away from the movable handle 2, of the connecting rod 13 is in sliding connection with the inner wall of the driving rod 6, the self-locking functions of the movable handle 2 and the fixed handle 3 are relieved, the device can be used like a normal clamping clamp, and the portability of the device in use is further improved.

Referring to figures 4-5 of the drawings,

the push block 14 is symmetrically fixed at two ends of the moving rod 21, the elastic block 18 is fixed at one side, close to the fixed handle 3, of the movable handle 2, one end of the elastic block 18 is fixed at one side, close to the movable handle 2, of the elastic block 18, the limit holes 20 are symmetrically formed in the front side and the back side of the movable handle 2 and at one side, close to the fixed handle 3, of the second limit groove 12 respectively, the limit balls 19 are used for being clamped into the limit holes 20, and specifically, when the push block 14 is pushed upwards or downwards in use, the elastic block 18 drives the limit balls 19 to be clamped into the limit holes 20, so that the push block 14 can be limited.

Example 2

Further optimization of the novel gripping pliers provided in example 1, as shown in figures 2, 6 and 7 in particular,

the clamping mechanism comprises a clamping head 22, wherein the clamping head 22 is fixed at one end of the outer cylinder 1 far away from the fixed handle 3, a clamping plate 23 is symmetrically and rotationally connected to one end of the clamping head 22 far away from the outer cylinder 1, an incomplete gear 25 is fixed at one end of the clamping plate 23 near the clamping head 22, a sliding block 17 is slidably connected to one end of the clamping head 22 near the fixed handle 3, a double-sided rack 24 is fixed at one end of the sliding block 17 far away from the fixed handle 3, two sides of the double-sided rack 24 are respectively meshed with the incomplete gear 25, and the double-sided rack 24 is meshed with the incomplete gear 25 to drive the clamping plate 23 to mutually approach or far away from rotation;

one side that slider 17 is close to fixed handle 3 rotates and is connected with transfer line 4, transfer line 4 is located the inside of urceolus 1, the one end that chuck 22 was kept away from to transfer line 4 is fixed with actuating lever 6, first spacing groove 5 has been seted up to the bilateral symmetry of urceolus 1, U-shaped frame 7 has been seted up to the both sides symmetry of fixed handle 3 in movable handle 2 near urceolus 3, U-shaped groove 8 has been seted up to the bilateral symmetry of U-shaped frame 7, the both ends of actuating lever 6 run through first spacing groove 5 and do not sliding connection in U-shaped groove 8's inside, specifically, when using, through pinching movable handle 2 and fixed handle 3, drive U-shaped frame 7 to move to the direction of keeping away from splint 23, and drive actuating lever 6 and transfer line 4 to move to the direction of keeping away from splint 23 by U-shaped frame 7, thereby drive slider 17 moves to the direction of being close to fixed handle 3.

The novel clamping pliers provided by the utility model are used as follows:

technical principle: when the self-locking handle is used, the pushing block 14 is pushed downwards to drive the moving rod 21 to move to the bottom of the self-locking pull rod 10, which is close to one end of the movable handle 2, so that the elastic block 18 drives the limiting ball head 19 to be clamped into the limiting hole 20, one end of the self-locking pull rod 10, which is far away from the movable handle 2, obtains the elastic force of downward rotation, so that one end of the self-locking pull rod 10, which is far away from the movable handle 2, can be clamped with the clamping block 9, and the movable handle 2 and the fixed handle 3 can be self-locked, the U-shaped frame 7 is driven to move in the direction away from the clamping plate 23 by pinching the movable handle 2 and the fixed handle 3, and the U-shaped frame 7 drives the driving rod 6 and the transmission rod 4 to move in the direction away from the clamping plate 23 through the U-shaped groove 8, so that the sliding block 17 is driven to move in the direction close to the fixed handle 3, and the sliding block 17 drives the double-sided rack 24 to move in the direction close to the fixed handle 3, and the double-sided rack 24 is meshed with the incomplete gear 25 to drive the clamping plate 23 to rotate close to each other, so that foreign matters in the inner cavity of a patient can be grabbed;

when the movable handle 2 and the fixed handle 3 are pinched, the self-locking pull rod 10 moves towards the direction close to the fixed handle 3, one end of the self-locking pull rod 10 away from the movable handle 2 moves towards the bottom of the fixed handle 3 in the third limiting groove 16, when the movable handle 2 is loosened, one end of the self-locking pull rod 10 away from the movable handle 2 can generate an upward force, so that one end of the self-locking pull rod 10 away from the movable handle 2 is clamped with the clamping block 9, the movable handle 2 and the fixed handle 3 are self-locked, when the movable handle 2 is loosened, the clamping mechanism can continuously clamp foreign matters in the inner cavity of a patient, the clamped foreign matters are prevented from slipping or falling, and the portability of the device in use is improved.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (8)

1. The novel clamping pliers comprise an outer barrel (1), a movable handle (2) and a fixed handle (3), wherein the movable handle (2) is rotationally connected with the fixed handle (3), a first spring (11) is arranged between the movable handle (2) and the fixed handle (3), one end of the outer barrel (1) is fixed at the top of the fixed handle (3), and the novel clamping pliers are characterized in that a clamping mechanism is arranged at one end, far away from the fixed handle (3), of the outer barrel (1);

a third limit groove (16) is formed in the fixed handle (3), and a plurality of clamping blocks (9) are uniformly distributed and fixed in the third limit groove (16) and positioned at one side far away from the clamping mechanism;

the self-locking handle is characterized by further comprising a self-locking pull rod (10), wherein one end of the self-locking pull rod (10) is rotationally connected with the movable handle (2), and one end of the self-locking pull rod (10) far away from the movable handle (2) slides in the third limit groove (16).

2. The novel clamping pliers according to claim 1, further comprising a moving rod (21), wherein the front surface and the back surface of the movable handle (2) are symmetrically provided with second limiting grooves (12), the moving rod (21) is located inside the movable handle (2), two sides of the moving rod (21) are respectively and slidably connected inside the second limiting grooves (12), a connecting rod (13) is fixed inside the self-locking pull rod (10), and a second spring (15) is arranged between the connecting rod (13) and the second limiting grooves (12).

3. The novel clamping pliers according to claim 2, wherein pushing blocks (14) are symmetrically fixed at two ends of the moving rod (21), an elastic block (18) is fixed at one side, close to the fixed handle (3), of the second limiting groove (12) inside the movable handle (2), and a limiting ball head (19) is fixed at one end of the elastic block (18) and at one side, close to the movable handle (2).

4. The novel clamping pliers according to claim 3, wherein limiting holes (20) are symmetrically formed in the front face and the back face of the movable handle (2) and located on one side, close to the fixed handle (3), of the second limiting groove (12), and the limiting ball heads (19) are used for being clamped into the limiting holes (20).

5. The novel clamping pliers according to claim 1, wherein the clamping mechanism comprises a chuck (22), the chuck (22) is fixed at one end of the outer barrel (1) far away from the fixed handle (3), one end of the chuck (22) far away from the outer barrel (1) is symmetrically and rotationally connected with a clamping plate (23), and an incomplete gear (25) is fixed at one end of the clamping plate (23) near the chuck (22).

6. The novel clamping pliers according to claim 5, wherein a sliding block (17) is slidably connected to the inside of the clamping head (22) and located at one end close to the fixed handle (3), a double-sided rack (24) is fixed to one end, away from the fixed handle (3), of the sliding block (17), and two sides of the double-sided rack (24) are meshed with the incomplete gear (25) respectively.

7. The novel clamping pliers according to claim 6, wherein one side of the sliding block (17) close to the fixed handle (3) is rotationally connected with a transmission rod (4), the transmission rod (4) is located inside the outer barrel (1), one end of the transmission rod (4) far away from the chuck (22) is fixed with a driving rod (6), and two sides of the outer barrel (1) are symmetrically provided with first limit grooves (5).

8. The novel clamping pliers according to claim 7, wherein one end of the movable handle (2) close to the outer barrel (1) penetrates through the fixed handle (3) to fix the U-shaped frame (7), two sides of the U-shaped frame (7) are symmetrically provided with U-shaped grooves (8), and two ends of the driving rod (6) penetrate through the first limiting grooves (5) to be respectively and slidably connected in the U-shaped grooves (8).