Small tweezers

Abstract

The utility model provides a pair of small tweezers, relates to the technical field of tweezers, and solves the technical problems that parts clamped by the tweezers are unstable, and the tweezers must be always pinched by manpower in order to maintain the clamping ends of the tweezers to be closed. The small tweezers comprise a first bent rod with a first pressing part and a second bent rod with a second pressing part, one end of the first bent rod is fixedly connected with one end of the second bent rod, and in a natural state, the other end of the first bent rod and the other end of the second bent rod are closed to form a clamping part; the first pressing part and the second pressing part are pinched and pressed at the same time, and the first pressing part and the second pressing part can move oppositely, so that the clamping part is opened and clamps the object; the clamping parts of the tweezers naturally clamp objects such as screws in a natural state, the tweezers do not need to be closed with force all the time, the clamping structure is more stable, and the objects are prevented from falling off due to insufficient force. The tweezers can be manufactured in a small size, do not block hands and view during use, and are convenient to observe.

Description

TECHNICAL FIELD

[0001] The utility model relates to forceps technical field, especially a small forceps. BACKGROUND

[0002] Forceps is a common tool, and is widely used in medical treatment, scientific research, precision machining and daily life.

[0003] When the user holds the middle part of the forceps and exerts force outward, the tip of the forceps will be closed, because the power arm (the distance from the holding part to the fulcrum) is usually greater than the resistance arm (the distance from the tip to the fulcrum), so that a small force can generate sufficient clamping force.

[0004] The applicant finds that the prior art at least has the following technical problems: in the prior art, in order to maintain the clamping end of the forceps closed, the human force must always pinch the forceps, and once the pinching force is not enough or is accidentally released, the clamped article will fall off, especially for small parts such as small screws, the forceps are particularly difficult to maintain closed, resulting in inconvenience in using the forceps. Therefore, the forceps in the prior art have the problem of unstable clamping of articles. SUMMARY

[0005] The utility model discloses a small forceps to solve the technical problem that the clamping part of the forceps in the prior art is unstable, and the clamping end of the forceps must be maintained closed by the human force all the time; the preferred technical solutions in the plurality of technical solutions provided by the utility model can produce a plurality of technical effects, which are described below.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a small forceps, comprising a first bent rod with a first pressing part, a second bent rod with a second pressing part, wherein:

[0008] One end of the first bent rod is fixedly connected with one end of the second bent rod, in a natural state, the other end of the first bent rod and the other end of the second bent rod are closed, and a clamping part is formed;

[0009] Simultaneously pinch the first pressing part and the second pressing part, the first pressing part and the second pressing part can move towards each other, so that the clamping part is opened and clamps the article.

[0010] Preferably, the clamping end of the first bent rod and the clamping end of the second bent rod are both provided with accommodating grooves, in the natural state, the two accommodating grooves on the first bent rod and the second bent rod are spliced with each other, and are used for clamping the article passing therethrough.

[0011] Preferably, the first bending rod and the second bending rod are provided with a positioning groove, which is located at one end of the accommodating groove away from the clamping part, and is in communication with the accommodating groove. The positioning groove on the first bending rod is oppositely arranged with the positioning groove on the second bending rod, and can clamp the head of the screw.

[0012] Preferably, the first bending rod is provided with a receiving part, and the second bending rod is provided with a sliding part. The sliding part extends into the receiving part and is in sliding connection with the receiving part, so as to limit the opening angle of the clamping part.

[0013] Preferably, the first bending rod comprises a first limiting rod, and the second bending rod comprises a second limiting rod. The receiving part is located on the first limiting rod, and the sliding part is located on the second limiting rod. The first limiting rod and the second limiting rod are cross arranged.

[0014] Preferably, the receiving part comprises a first groove, which is opened on the first limiting rod and arranged along the width direction of the first limiting rod. A second groove is opened on the second limiting rod and arranged along the width direction of the second limiting rod. The remaining part of the second limiting rod in the width direction forms the receiving part.

[0015] When the clamping part is closed, the receiving part abuts against one side of the first groove, and simultaneously pinches the first pressing part and the second pressing part. When the clamping part is opened, the receiving part abuts against the other side of the first groove.

[0016] Preferably, the small forceps further comprise a fixing ring. The first bending rod and the second bending rod are structurally identical. The fixed end of the first bending rod and the fixed end of the second bending rod are inserted into the fixing ring and are in interference fit with the fixing ring.

[0017] Preferably, the first bending rod further comprises a first rod body and a second rod body, and the second bending rod comprises a third rod body and a fourth rod body. Wherein:

[0018] The two ends of the first limiting rod are fixedly connected with the first rod body and the second rod body respectively. The two ends of the second limiting rod are fixedly connected with the third rod body and the fourth rod body respectively. The first pressing part is located at the position of the second rod body close to the first limiting rod.

[0019] The end parts of the first rod body and the third rod body are closed to each other and form the clamping part. The tail ends of the second rod body and the fourth rod body are fixedly connected. The second pressing part is located at the position of the fourth rod body close to the second limiting rod.

[0020] Preferably, among the first rod body, the second rod body and the first limiting rod, any two of them have a non-zero included angle;

[0021] Among the third rod body, the fourth rod body and the second limiting rod, any two of them have a non-zero included angle.

[0022] Preferably, the first pressing part and the second pressing part are both provided with a concave-convex anti-skid structure.

[0023] The end of the first bending rod and the second bending rod away from the clamping part is provided with a stop block, and the two stop blocks on the first bending rod and the second bending rod are mutually adhered.

[0024] Compared with the prior art, the small forceps has the following beneficial effects: the forceps is closed in the natural state, when the user simultaneously pinches the first pressing part and the second pressing part, the first pressing part and the second pressing part can move towards each other, the clamping part is opened and clamps the object, after the object is released from the external force, the clamping part of the forceps naturally clamps the object in the natural state, the forceps does not need to be always forced to be closed, the clamping structure is more stable, and the object is prevented from falling off due to insufficient force. The forceps can be manufactured in a small size, and when used, the hand and the visual field are not blocked, and the observation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0026] Figure 1 is a schematic view of the overall structure of the small forceps;

[0027] Figure 2 is a schematic view of the structure of the small forceps after omitting the fixing ring;

[0028] Figure 3 is a schematic view of the structure of the first bending rod;

[0029] Figure 4 is a schematic view of the structure of the clamping part of the forceps.

[0030] 1, first rod body; 12, second rod body; 121, first pressing part; 13, first limiting rod; 131, first groove; 21, third rod body; 22, fourth rod body; 221, second pressing part; 23, second limiting rod; 231, second groove; 232, sliding part; 3, fixed ring; 4, clamping part; 41, accommodating groove; 42, positioning groove; 5, abutting block. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0032] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms 'center', 'length', 'width', 'height', 'upper', 'lower', 'front','rear', 'left', 'right','vertical', 'horizontal', 'top', 'bottom', 'inner', 'outer','side' and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In the description of the utility model, unless otherwise specified, the meaning of 'a plurality of' is two or more than two.

[0033] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms'set', 'installed', 'connected', 'connected' should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] The utility model embodiment provides a kind of small forceps, and the clamping part of forceps is naturally clamped screw and the like object in natural state, without always force to make forceps close, clamping structure is more stable.

[0035] The technical scheme provided by the utility model will be described in more detail below. Figures 1-4 The technical scheme provided by the utility model will be described in more detail below.

[0036] Reference Figures 1-4As shown in the utility model provides small forceps, including with first press part 121's first bending rod, with second press part 221's second bending rod, wherein: first bending rod's one end and second bending rod's one end fixed connection, in natural state, first bending rod's other end and second bending rod's other end close and form clamping portion 4, simultaneously pinch and press first press part 121 and second press part 221, first press part 121 and second press part 221 can move towards each other, so that clamping portion 4 opens and clamps object.

[0037] Figure 1 In the natural state, the clamping portion 4 is in a closed state, thereby maintaining the closure of the clamping portion 4 without the need for external force.

[0038] The small forceps of the embodiment are closed in the natural state. When the user simultaneously pinches and presses the first press part 121 and the second press part 221, the first press part 121 and the second press part 221 can move towards each other, the clamping portion 4 opens and clamps the object, and after the object is released from the external force, the clamping portion 4 of the forceps naturally clamps the screw and other objects in the natural state. There is no need to always force the forceps to close, the clamping structure is more stable, and the object is prevented from falling off due to insufficient force. The forceps can be manufactured in a small size, and the use does not block the hand and the field of view, which is convenient for observation.

[0039] The first bending rod and the second bending rod of the embodiment are made of plastic with a certain toughness. Simultaneously pinching and pressing the first press part 121 and the second press part 221, the first press part 121 and the second press part 221 can move towards each other, the first bending rod and the second bending rod slide relative to each other, and will not break.

[0040] As an optional implementation, referring to Figure 4 As shown, the clamping end of the first bending rod and the clamping end of the second bending rod are both provided with accommodating grooves 41. In the natural state, the two accommodating grooves 41 on the first bending rod and the second bending rod are spliced with each other, and are used for clamping the object passing therethrough.

[0041] When the clamping portion 4 is closed, the screw rod of the object such as a screw passes through the spliced accommodating grooves 41, and the screw and other objects can be prevented from falling off. Specifically, the side wall of the accommodating groove 41 is an arc-shaped side wall, which is matched with the shape of the screw and other objects, and further improves the stability of clamping.

[0042] As an optional implementation, referring to Figure 4 As shown, the first bending rod and the second bending rod are both provided with positioning grooves 42. The positioning grooves 42 are located at one end of the accommodating grooves 41 away from the clamping portion 4. The positioning grooves 42 are communicated with the accommodating grooves 41. The positioning grooves 42 located on the first bending rod are oppositely arranged with the positioning grooves 42 located on the second bending rod, and can clamp the head of the screw.

[0043] When the clamping part 4 is closed, the shank of an object such as a screw passes through the mutually spliced accommodating groove 41, and the head of the screw is located in the positioning groove 42, so that the object such as the screw cannot fall off, and the clamping stability of the forceps is further improved.

[0044] As an optional embodiment, in the embodiment, the first bending rod is provided with a receiving part, and the second bending rod is provided with a sliding part 232, the sliding part 232 extends into the receiving part and is in sliding connection with the receiving part, so as to limit the opening angle of the clamping part 4.

[0045] That is, the first pressing part 121 and the second pressing part 221 are pinched at the same time, and the sliding part 232 and the receiving part slide with each other, so as to limit the opening angle of the clamping part 4 within a certain range, and prevent the first bending rod and the second bending rod from being broken due to excessive deformation.

[0046] As an optional embodiment, referring to Figure 1 and Figure 2 , Figure 3 , the first bending rod comprises a first limiting rod 13, the second bending rod comprises a second limiting rod 23, the receiving part is located on the first limiting rod 13, and the sliding part 232 is located on the second limiting rod 23, and the first limiting rod 13 and the second limiting rod 23 are cross arranged.

[0047] The first limiting rod 13 and the second limiting rod 23 are always in a cross state, the sliding part 232 and the receiving part slide with each other, so as to improve the stability of the structure and prevent the two from being separated and unable to be restored.

[0048] As an optional embodiment, referring to Figures 1-3 , the receiving part comprises a first groove 131, the first groove 131 is arranged on the first limiting rod 13 and along the width direction of the first limiting rod 13, a second groove 231 is arranged on the second limiting rod 23 and along the width direction of the second limiting rod 23, and the remaining part of the second limiting rod 23 in the width direction forms the receiving part; when the clamping part 4 is closed, the receiving part abuts against one side of the first groove 131, the first pressing part 121 and the second pressing part 221 are pinched at the same time, and when the clamping part 4 is opened, the receiving part abuts against the other side of the first groove 131.

[0049] In the embodiment, the first limiting rod 13 and the second limiting rod 23 have the same structure, referring to Figure 3 , by arranging the first groove 131 and the second groove 231 on the first limiting rod 13 and the second limiting rod 23 respectively, the receiving part and the sliding part 232 can be formed respectively, so as to realize the sliding connection of the first bending rod and the second bending rod, and prevent the first bending rod and the second bending rod from being broken due to excessive deformation.

[0050] As an optional implementation, refer to Figure 1 As shown in the figure, the small forceps also includes a fixed ring 3, the first bending rod and the second bending rod have the same structure, the fixed ends of the first bending rod and the second bending rod are inserted into the fixed ring 3 and are in interference fit with the fixed ring 3.

[0051] When used to disassemble the fixed ring 3, the first bending rod and the second bending rod are separated from each other, facilitating assembly and disassembly therebetween.

[0052] Alternatively, the fixed ends of the first bending rod and the second bending rod are integrally formed, without the need for an extra connecting structure, but the first bending rod and the second bending rod cannot be disassembled at this time.

[0053] As an optional implementation, refer to Figures 1-3 As shown in the figure, the first bending rod further includes a first rod body 11 and a second rod body 12, and the second bending rod includes a third rod body 21 and a fourth rod body 22, wherein: the two ends of the first limiting rod 13 are fixedly connected with the first rod body 11 and the second rod body 12 respectively, the two ends of the second limiting rod 23 are fixedly connected with the third rod body 21 and the fourth rod body 22 respectively, and the first pressing part 121 is located at a position of the second rod body 12 close to the first limiting rod 13; the end portions of the first rod body 11 and the third rod body 21 are closed to each other and form a clamping part 4, and the tail end of the second rod body 12 is fixedly connected with the fourth rod body 22; and the second pressing part 221 is located at a position of the fourth rod body 22 close to the second limiting rod 23.

[0054] Specifically, the first limiting rod 13, the first rod body 11 and the second rod body 12 are integrally formed, and the second limiting rod 23, the third rod body 21 and the fourth rod body 22 are integrally formed, so that the first bending rod and the second bending rod have the same structure, facilitating assembly.

[0055] As an optional implementation, refer to Figures 1-3 As shown in the figure, among the first rod body 11, the second rod body 12 and the first limiting rod 13, any two of them have a non-zero included angle; and among the third rod body 21, the fourth rod body 22 and the second limiting rod 23, any two of them have a non-zero included angle.

[0056] The above structure, the first rod body 11 and the third rod body 21 cooperatively form an openable and closable rod body assembly, and the outer diameter of the rod body assembly cooperatively formed by the first rod body 11 and the third rod body 21 gradually decreases in the direction towards the clamping part 4, which can prevent the clamping part 4 of the forceps from being too large to affect the field of view when clamping an object, and facilitates clamping and fixing of small objects such as small screws.

[0057] As an optional implementation, refer to Figures 1-3As shown, the first pressing part 121 and the second pressing part 221 are provided with anti-skid structures, which can prevent hands from slipping when pressing.

[0058] Referring to Figure 1 and Figure 2 As shown, the first bending rod and the second bending rod are provided with abutting blocks 5 at one end away from the clamping part 4, and the two abutting blocks 5 on the first bending rod and the second bending rod are in close contact with each other.

[0059] The opposite sides of the two abutting blocks 5 are flat, as shown in Figure 1 No matter in any state, the abutting blocks 5 on the first bending rod and the second bending rod are in close contact with each other, filling the gap between the fixed ends of the first bending rod and the second bending rod, so that the tweezers remain in a stable state when the first pressing part 121 and the second pressing part 221 are pressed at the same time, and the first bending rod and the second bending rod are always aligned.

[0060] The small tweezers of the embodiment, as shown in Figure 1 In the natural state, the clamping part 4 is closed, and the tweezers can always clamp the object without applying external force; as shown in Figure 2 Figure 2 The fixed ring 3 is omitted in, it should be noted that the fixed ring 3 should be installed when in use. When the user presses the first pressing part 121 and the second pressing part 221 at the same time, the first pressing part 121 and the second pressing part 221 can move towards each other, the first groove 131 and the second groove 231 cooperate with each other, the sliding part 232 slides in the receiving part, the clamping part 4 opens and clamps the object, and the clamping part 4 of the tweezers naturally clamps the object in the natural state after the object is released from the external force, without the need to always press the tweezers to close, the clamping structure is more stable, and the object is prevented from falling off due to insufficient force. As shown in Figure 4 When the receiving part moves to the position abutting against the other inner wall of the first groove 131, the clamping part 4 is in the maximum state.

[0061] The tweezers can be manufactured in small size, and the hand and field of view are not blocked during use, which is convenient for observation.

[0062] In the description of the present specification, specific features, structures or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0063] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, different embodiments or examples described in the present specification and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction.

[0064] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A small pair of tweezers, characterized in that, It includes a first bent rod having a first pressing portion and a second bent rod having a second pressing portion, wherein: One end of the first bent rod is fixedly connected to one end of the second bent rod. In its natural state, the other ends of the first bent rod and the other ends of the second bent rod are closed together to form a clamping part. Simultaneously squeezing the first pressing part and the second pressing part allows the first pressing part and the second pressing part to move towards each other, thereby causing the clamping part to open and clamp the object.

2. The small tweezers according to claim 1, characterized in that, Both the clamping end of the first bent rod and the clamping end of the second bent rod are provided with receiving grooves. In the natural state, the two receiving grooves on the first bent rod and the second bent rod are spliced ​​together to clamp objects passing through them.

3. The small tweezers according to claim 2, characterized in that, Both the first bent rod and the second bent rod are provided with positioning grooves. The positioning grooves are located at the end of the receiving groove opposite to the clamping part. The positioning grooves are connected to the receiving groove. The positioning grooves on the first bent rod and the positioning grooves on the second bent rod are arranged opposite to each other, which can clamp the head of the screw.

4. The small tweezers according to claim 1, characterized in that, The first bent rod is provided with a receiving part, and the second bent rod is provided with a sliding part. The sliding part extends into the receiving part and is slidably connected with the receiving part, thereby limiting the opening angle of the clamping part.

5. The small tweezers according to claim 4, characterized in that, The first bending rod includes a first limiting rod, the second bending rod includes a second limiting rod, the receiving part is located on the first limiting rod, the sliding part is located on the second limiting rod, and the first limiting rod and the second limiting rod are arranged intersectingly.

6. The small tweezers according to claim 5, characterized in that, The receiving part includes a first groove, which is formed on the first limiting rod and is arranged along the width direction of the first limiting rod; a second groove is formed on the second limiting rod and is arranged along the width direction of the second limiting rod; the remaining part in the width direction of the second limiting rod forms the receiving part. When the clamping part is closed, the receiving part abuts against one side of the first groove, while simultaneously pinching the first pressing part and the second pressing part. When the clamping part is open, the receiving part abuts against the other opposite side of the first groove.

7. The small tweezers according to any one of claims 1-6, characterized in that, The small tweezers also include a retaining ring. The first bending rod and the second bending rod have the same structure. The fixed ends of the first bending rod and the second bending rod are inserted into the retaining ring and are interference-fitted with the retaining ring.

8. The small tweezers according to claim 5, characterized in that, The first bent rod further includes a first rod body and a second rod body, and the second bent rod includes a third rod body and a fourth rod body, wherein: The two ends of the first limiting rod are fixedly connected to the first rod body and the second rod body, respectively. The two ends of the second limiting rod are fixedly connected to the third rod body and the fourth rod body, respectively. The first pressing part is located on the second rod body near the first limiting rod. The ends of the first rod and the third rod are closed to each other to form the clamping part, and the tail end of the second rod is fixedly connected to the fourth rod; the second pressing part is located on the fourth rod near the second limiting rod.

9. The small tweezers according to claim 8, characterized in that, Among the first rod, the second rod, and the first limiting rod, there is a non-zero included angle between any two of them; Of the third rod, the fourth rod, and the second limiting rod, there is a non-zero included angle between any two of them.

10. The small tweezers according to claim 1, characterized in that, Both the first pressing part and the second pressing part are provided with a concave-convex anti-slip structure; The first bending rod and the second bending rod are provided with a stop block at the end opposite to the clamping part, and the two stops blocks located on the first bending rod and the second bending rod are in contact with each other.

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