Nail clipper head and nail clipper comprising same

Abstract

The utility model provides a nail clipper head which comprises a first clipper body and a second clipper body which are oppositely pivoted together through a pivot, a first jaw is arranged at the front end of the first clipper body, a second jaw is arranged at the front end of the second clipper body, and the rear end of the first clipper body and the rear end of the second clipper body are connected together through a synchronous assembly. The utility model further provides a nail clipper which comprises a first pressing handle, a second pressing handle and the nail clipper head, the front end of the first pressing handle is connected with the first connecting shaft in a pivoted mode, and the front end of the second pressing handle is connected with the second connecting shaft in a pivoted mode. Positioning openings matched with the third connecting shaft are formed in the positions, corresponding to the third connecting shaft, of the sides, facing the third connecting shaft, of the first pressing handle and the second pressing handle. The nail clipper has the advantages that the first clipper body and the second clipper body rotate synchronously, nails can be clipped more easily, the first pressing handle and the second pressing handle rotate synchronously, the fulcrum of the lever is a movable fulcrum, the first pressing handle and the second pressing handle get close gradually, the resisting arm is shortened gradually, and more labor is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of nail clippers. More specifically, it particularly relates to a nail clipper head and a nail clipper including the nail clipper head. Background Art

[0002] A nail clipper, also known as a nail cutter, was invented by an American in the 1930s. It is a personal care product mainly used for trimming fingernails and toenails. The operation utilizes the lever principle. Most nail clipper materials are metal. Users only need to apply force to press the end of the pliers, and they can easily cut the nails through the sharp front end.

[0003] As a dedicated tool for trimming nails, the nail clipper is very convenient to use and has become an indispensable personal item in people's lives. To facilitate people's use while carrying it around, merchants have tried every means to design the nail clipper as small as possible.

[0004] For example, in a Chinese utility model patent with the patent number 202221488243.0 and the invention name of a foldable portable nail clipper, it includes a first hand pressing plate with a first storage cavity opened at the upper end of the outside, two first connecting plates arranged at the upper end of the inner wall of the first storage cavity, a first jaw fixed to the inner sides of the two first connecting plates, a second hand pressing plate arranged at the rear end of the first hand pressing plate and having a second storage cavity opened at the upper end of the outside, two second connecting plates arranged at the upper end of the inner wall of the second storage cavity, and a second jaw fixed to the inner sides of the two second connecting plates. Among them, the inner wall of the first connecting plate fits with the outer wall of the second connecting plate. A pin shaft is arranged on the outer wall of the first connecting plate, and the pin shaft penetrates through the first connecting plate. Two first openings are opened at the upper end of the first storage cavity, and the first connecting plate fits with the first openings. Two second openings are opened at the upper end of the second storage cavity, and the second connecting plate fits with the second openings. Grooves are opened on both sides of the inner wall of the first storage cavity;

[0005] A folding assembly, including first bumps fixed to the upper ends of both sides of the inner wall of the first storage cavity and second bumps fixed to the upper ends of both sides of the inner wall of the second storage cavity. Through holes are opened on both the first connecting plate and the second connecting plate, and the inner walls of the through holes fit with the outer walls of the first bumps and the second bumps. The cross-sections of the first bumps and the second bumps are circular;

[0006] A clamping assembly, including a snap plate fixed in the groove and a clamping groove opened on the inner wall of the second storage cavity, and the outer wall of the clamping groove is clamped with the snap plate.

[0007] In the above technical solution, although the first jaw and the second jaw can be folded and stored in the first storage cavity of the first hand pressing plate, and the second hand pressing plate is clamped on the first hand pressing plate under the action of the card slot, thereby folding and storing the first jaw and the second jaw, improving the carrying safety of the device. However, the first jaw and the second jaw are in a cross-shaped pivoting structure. When pressing the first hand pressing plate and the second hand pressing plate, the first hand pressing plate and the second hand pressing plate cannot ensure the same moving amplitude. That is, during the actual biting process and when cutting nails, the first jaw and the second jaw cannot ensure the same moving amplitude and the same force applied to the nails by the first jaw and the second jaw, and cannot make full use of the two sets of lever forces, thus failing to achieve the optimal labor-saving effect. Summary of the Invention

[0008] The utility model is to solve the above-mentioned existing technical problems, and aims to provide a nail clipper head that can ensure the same force applied to the nails by the first jaw and the second jaw, make full use of the two sets of lever forces, and is labor-saving in operation, and a nail clipper including the nail clipper head that can be folded and stored, is convenient and safe to carry.

[0009] The utility model is realized through the following technical solutions.

[0010] The utility model provides a nail clipper head, which includes a first jaw body and a second jaw body pivotally connected to each other relatively through a pivot shaft. A first jaw is provided at the front end of the first jaw body, and a second jaw is provided at the front end of the second jaw body. The rear ends of the first jaw body and the second jaw body are connected together through a synchronization component that can make the first jaw body and the second jaw body rotate synchronously with the pivot shaft as the rotation axis.

[0011] In the above technical solution, the rear ends of the first jaw body and the second jaw body are connected together through a synchronization component. When the first jaw head rotates with the pivot shaft as the rotation axis, the second jaw head will also rotate synchronously. In this way, during the actual nail cutting, the first jaw and the second jaw will simultaneously apply the same force to the nail being cut, making it easier to cut the nail, and the user's physical feeling is that it is more labor-saving; it solves the problem that in the traditional nail clipper, due to the characteristics of the material itself and the working principle, when the pressing handle drives the first jaw body and the second jaw body to close and cut the nail, the first jaw body and the second jaw body will have uneven forces, resulting in one jaw body moving while the other does not move, or the first jaw body and the second jaw body having different moving amplitudes, and the force cannot be fully utilized.

[0012] Preferably, the synchronization component includes a first connecting shaft, a second connecting shaft, a third connecting shaft, a first connecting rod, and a second connecting rod. The first connecting shaft is provided at the rear end of the first jaw body, the second connecting shaft is provided at the rear end of the second jaw body, and the third connecting shaft is provided at a position behind and away from the rear ends of the first jaw body and the second jaw body. The front end of the first connecting rod is pivotally connected to the first connecting shaft, and the rear end of the first connecting rod is pivotally connected to the third connecting shaft. The front end of the second connecting rod is pivotally connected to the second connecting shaft, and the rear end of the second connecting rod is pivotally connected to the third connecting shaft. The distance from the first connecting shaft to the third connecting shaft is set to be equal to the distance from the second connecting shaft to the third connecting shaft. In this technical solution, the distance from the first connecting shaft to the third connecting shaft is set to be equal to the distance from the second connecting shaft to the third connecting shaft. When the first jaw body rotates with the pivot shaft as the rotation axis under the cooperation and limitation of the first connecting rod and the second connecting rod, it can ensure that the second jaw body can also rotate synchronously with the pivot shaft as the rotation axis, and the rotation amplitude is the same as that of the first jaw body.

[0013] Preferably, the first connecting rod includes a front shaft sleeve, a connecting rod, and a rear shaft sleeve. The front end of the connecting rod is connected to a position near the right end of the front shaft sleeve, and the rear end of the connecting rod is connected to a position near the left end of the rear shaft sleeve. In this technical solution, the installation of the first connecting rod is relatively convenient. It only needs to sleeved the front shaft sleeve and the rear shaft sleeve on the first connecting shaft and the third connecting shaft respectively.

[0014] Preferably, the second connecting rod has the same structure as the first connecting rod, and its installation direction is opposite to that of the first connecting rod when installed. In this technical solution, the second connecting rod has the same structure as the first connecting rod, which can save the number of molds and reduce production costs. When installed, by installing in a direction opposite to that of the first connecting rod, the rear shaft sleeves can be symmetrically sleeved on both sides of the third connecting shaft, and the acting forces exerted by the first connecting rod and the second connecting rod on the third connecting shaft are uniform.

[0015] The present utility model also provides a nail clipper, which includes a first pressing handle and a second pressing handle, and the nail clipper head as described above. The front end of the first pressing handle is pivotally connected to the first connecting shaft, the front end of the second pressing handle is pivotally connected to the second connecting shaft, and positioning ports for cooperating with the third connecting shaft are provided at positions corresponding to the third connecting shaft on the side of the first pressing handle and the second pressing handle facing the third connecting shaft.

[0016] In the above solution, both the first pressing handle and the second pressing handle are provided with positioning ports for cooperating with the third connecting shaft. When a force is applied to the tails of the first pressing handle and the second pressing handle, both the first pressing handle and the second pressing handle form a labor-saving lever structure with the third connecting shaft as the fulcrum. Their resistances respectively come from the first connecting shaft and the second connecting shaft. When both the first pressing handle and the second pressing handle rotate with the third connecting shaft as the fulcrum, the first pressing handle drives the first connecting shaft to move upward, causing the rear end of the first jaw to move upward, and the second pressing handle drives the second connecting shaft to move downward, causing the rear end of the second jaw to move downward, so that the first jaw and the second jaw bite. During this process, the first pressing rod and the second pressing rod rotate synchronously and equally. At the same time, during the process of the first connecting shaft and the second connecting shaft moving away from each other, the first connecting rod and the second connecting rod will drive the third connecting shaft to move leftward and approach the rear end of the nail clipper head. In this way, as the first pressing handle and the second pressing handle rotate and approach with the third connecting shaft as the fulcrum, in fact, the resistance arm gradually becomes shorter. With the resistance and the power arm unchanged, the required power gradually decreases. Moreover, during the process of the first pressing handle and the second pressing handle rotating and approaching with the third connecting shaft as the fulcrum, a component force for moving leftward will also be applied to the third connecting shaft, which is transmitted to the first connecting shaft and the second connecting shaft respectively through the first connecting rod and the second connecting rod, prompting the first connecting shaft and the second connecting shaft to move away. That is, when pressing the first pressing handle and the second pressing handle, in addition to being bitten by the lever force, the first jaw and the second jaw are also bitten by the thrust force of the third connecting shaft moving leftward. Compared with traditional nail clippers, the labor-saving effect is more obvious.

[0017] Preferably, an elastic member is provided between the first jaw and the second jaw to provide an elastic force for the relative opening of the first jaw and the second jaw. In this technical solution, by setting the elastic member to provide an elastic force for the relative opening of the first jaw and the second jaw, after the first jaw and the second jaw complete the action of cutting nails, they can automatically reset, reducing the trouble of manual reset and making the operation more convenient.

[0018] Preferably, a first receiving groove for receiving the first jaw is provided on one side of the first pressing handle away from the third connecting shaft, and a second receiving groove for receiving the second jaw is provided on one side of the second pressing handle away from the third connecting shaft. When the first pressing handle and the second pressing handle are buckled, the first jaw and the second jaw are respectively exactly received in the first receiving groove and the second receiving groove. In this technical solution, when the first pressing handle rotates and buckles towards the first jaw direction with the first connecting shaft as the rotation axis, the first jaw can be received in the first receiving groove. Similarly, when the second pressing handle rotates and buckles towards the second jaw direction with the second connecting shaft as the rotation axis, the second jaw can be received in the second receiving groove. When the nail clipper is not in use, the first jaw and the second jaw will not be touched, improving safety and also reducing the overall length of the nail clipper during storage.

[0019] Preferably, a first abutting portion is provided at the front end of the first pressing handle. The distance from the first abutting portion to the first connecting shaft is set to be greater than half of the distance from the first connecting shaft to the second connecting shaft when the elastic member is in the natural state. A second abutting portion is provided at the front end of the second pressing handle. The distance from the second abutting portion to the second connecting shaft is set to be greater than half of the distance from the first connecting shaft to the second connecting shaft when the elastic member is in the natural state. In this technical solution, since the distances from the first abutting portion to the first connecting shaft and from the second abutting portion to the second connecting shaft are both greater than half of the distance from the first connecting shaft to the second connecting shaft when the elastic member is in the natural state, when the first pressing handle and the second pressing handle are folded and buckled and opened, the first jaw and the second jaw will approach and compress the elastic member, that is, it is necessary to overcome the restoring elastic force exerted by the elastic member on the first jaw body and the second jaw body, and use this restoring elastic force to achieve the effect of buckling the first pressing handle and the second pressing handle, without additionally providing an independent locking structure.

[0020] Preferably, the elastic member is a torsion spring. The torsion spring is sleeved on the pivot shaft. One end of the torsion spring abuts against the first jaw body, and the other end of the torsion spring abuts against the second jaw body. In this way, the structure is simple and the installation is convenient.

[0021] Preferably, the positioning port is an arc-shaped notch. In this way, it can better fit the outer circumferential shape of the third connecting shaft and the outer circumferential shape of the rear bushing of the connecting rod.

[0022] The beneficial effects of the present utility model are as follows: The first jaw body and the second jaw body of the nail clipper head rotate synchronously, so that the acting forces of the first jaw and the second jaw when cutting nails are the same, and it is easier to cut nails; the first pressing handle and the second pressing handle of the nail clipper rotate synchronously, and at the same time, the fulcrum of the lever is a movable fulcrum. As the first pressing handle and the second pressing handle gradually approach, the resistance arm gradually becomes shorter. When the resistance and the power arm remain unchanged, the required power gradually decreases, which is more labor-saving; in the process of the first pressing handle and the second pressing handle rotating and approaching with the third connecting shaft as the fulcrum, a component force moving to the left will also be applied to the third connecting shaft, and is transmitted to the first connecting shaft and the second connecting shaft respectively through the first connecting rod and the second connecting rod to promote the first connecting shaft and the second connecting shaft to move away, assisting the first jaw and the second jaw to bite, achieving a labor-saving effect. Description of the Drawings

[0023] Figure 1 is an exploded structural schematic diagram of the nail clipper head of the present utility model;

[0024] Figure 2 is a three-dimensional structural schematic diagram of the nail clipper head of the present utility model;

[0025] Figure 3 is a side structural schematic diagram of the nail clipper head of the present utility model;

[0026] Figure 4Schematic diagram of the assembly relationship between the first connecting rod and the second connecting rod of the present utility model;

[0027] Figure 5 Schematic three-dimensional structure diagram of the present utility model's nail clipper;

[0028] Figure 6 Schematic structure diagram of the second pressing handle of the present utility model;

[0029] Figure 7 Schematic structure diagram of the pressing handle of the present utility model's nail clipper in a natural state;

[0030] Figure 8 Schematic structure diagram of the first jaw and the second jaw of the present utility model's nail clipper when they bite;

[0031] Figure 9 Schematic side structure diagram of the first pressing handle and the second pressing handle of the present utility model when they are buckled;

[0032] Figure 10 Schematic three-dimensional structure diagram of the first pressing handle and the second pressing handle of the present utility model when they are buckled. Detailed implementation manners

[0033] The attached drawings are only for illustrative purposes and should not be construed as a limitation to this patent; for better illustration of this embodiment, some components in the attached drawings are omitted, enlarged or reduced, which do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the attached drawings may be omitted. The positional relationships described in the attached drawings are only for illustrative purposes and should not be construed as a limitation to this patent.

[0034] The following will further specifically describe the technical solutions of the present utility model through specific embodiments in conjunction with the attached drawings:

[0035] Embodiment 1

[0036] The present utility model provides a nail clipper head, as Figures 1 to 3 shown, including a first jaw body 1 and a second jaw body 2 pivotally connected to each other relatively through a pivot 3. A first jaw 11 is provided at the front end of the first jaw body 1, and a second jaw 21 is provided at the front end of the second jaw body 2. A torsion spring 4 for providing elastic force for the relative opening of the first jaw 11 and the second jaw 21 is provided between the first jaw body 1 and the second jaw body 2. The torsion spring 4 is sleeved on the pivot 3. One end of the torsion spring 4 abuts against the inner side of the first jaw body 1, and the other end of the torsion spring 4 abuts against the inner side of the second jaw body 2. The rear ends of the first jaw body 1 and the second jaw body 2 are connected together through a synchronous assembly 5 that can make the first jaw body 1 and the second jaw body 2 rotate synchronously with the pivot 3 as the rotation axis.

[0037] As Figure 2As shown, in this embodiment, the synchronization component 5 includes a first connecting shaft 51, a second connecting shaft 52, a third connecting shaft 53, a first connecting rod 54, and a second connecting rod 55. A notch is provided in the middle position at the rear end of the first jaw 1, and mounting holes for mounting the first connecting rod 54 are provided on both sides of the notch. The first connecting shaft 51 is inserted into the mounting holes at the rear end of the first jaw head 1. A notch is provided in the middle position at the rear end of the second jaw 2, and mounting holes for mounting the second connecting rod 55 are provided on both sides of the notch. The second connecting shaft 52 is inserted into the mounting holes at the rear end of the second jaw 2. The third connecting shaft 53 is provided at a position behind the rear ends of the first jaw 1 and the second jaw 2. The front end of the first connecting rod 54 is placed in the notch of the first jaw 1 and pivotally connected to the first connecting shaft 51, and the rear end of the first connecting rod 54 is pivotally connected to the third connecting shaft 53. The front end of the second connecting rod 55 is placed in the notch of the second jaw 2 and pivotally connected to the second connecting shaft 52, and the rear end of the second connecting rod 55 is pivotally connected to the third connecting shaft 53. The distance from the first connecting shaft 51 to the third connecting shaft 53 is set to be equal to the distance from the second connecting shaft 52 to the third connecting shaft 53.

[0038] As Figure 4 shown, as a further improvement, the first connecting rod 54 includes a front shaft sleeve 541, a connecting rod 542, and a rear shaft sleeve 543. The front end of the connecting rod 542 is connected to a position near the right end of the front shaft sleeve 541, and the rear end of the connecting rod 542 is connected to a position near the left end of the rear shaft sleeve 543. The front shaft sleeve 541 of the first connecting rod 54 is placed in the notch at the rear end of the first jaw 1 and pivotally connected to the first connecting shaft 51. The rear shaft sleeve 543 of the first connecting rod 54 is sleeved on the right half of the third connecting shaft 53. The second connecting rod 55 has the same structure as the first connecting rod 54. The front shaft sleeve 541 of the second connecting rod 55 is placed in the notch at the rear end of the second jaw 2 and pivotally connected to the second connecting shaft 52. The rear shaft sleeve 543 of the second connecting rod 55 is sleeved on the left half of the third connecting shaft 53. That is, when the second connecting rod 55 is installed, its installation direction is opposite to that of the first connecting rod 54 in the left-right direction. In this way, the acting forces exerted by the first connecting rod 54 and the second connecting rod 55 on the third connecting shaft 53 are uniform, and the acting forces exerted on the first jaw 1 and the second jaw 2 are also uniform.

[0039] Embodiment 2

[0040] The present utility model provides a nail clipper, as Figure 5 and Figure 6 shown, which includes a first pressing handle 6 and a second pressing handle 7, and the nail clipper jaw head as described above. The front end of the first pressing handle 6 is pivotally connected to the first connecting shaft 51, and the second pressing handle 7 is pivotally connected to the second connecting shaft 52. On the side of the first pressing handle 6 and the second pressing handle 7 facing the third connecting shaft 53, positioning ports 8 that cooperate with the third connecting shaft 53 are provided at positions corresponding to the third connecting shaft 53. The positioning ports 8 are arc-shaped concave openings to cooperate with the rear shaft sleeve 543 of the first connecting rod 54

[0041] matches the shape of the outer circumference of the rear bushing 543 of the second link 55.

[0042] The working principle of this embodiment is as follows:

[0043] As Figure 7 and Figure 8 shown, when a force is applied to the ends of the first pressing handle 6 and the second pressing handle 7, both the first pressing handle 6 and the second pressing handle 7 form a labor-saving lever structure with the third connecting shaft 53 as the fulcrum. Their resistances come from the first connecting shaft 51 and the second connecting shaft 52 respectively. When the first pressing handle 6 and the second pressing handle 7 rotate with the third connecting shaft 53 as the fulcrum, the first pressing handle 6 drives the first connecting shaft 51 to move upward, causing the rear end of the first jaw 1 to move upward, and the second pressing handle 7 drives the second connecting shaft 52 to move downward, causing the rear end of the second jaw 2 to move downward, so that the first jaw 11 and the second jaw 21 bite. During this process, the first pressing rod 6 and the second pressing rod 7 rotate synchronously and equally. At the same time, during the process of the first connecting shaft 51 and the second connecting shaft 52 moving away from each other, the first link 54 and the second link 55 will drive the third connecting shaft 53 to move leftward and approach the rear end of the nail clipper head. In this way, as the first pressing handle 6 and the second pressing handle 7 rotate and approach with the third connecting shaft 53 as the fulcrum, in fact, the resistance arm gradually becomes shorter. With the resistance and the power arm unchanged, the required power gradually decreases. Moreover, during the process of the first pressing handle 6 and the second pressing handle 7 rotating and approaching with the third connecting shaft 53 as the fulcrum, a component force for moving leftward will also be applied to the third connecting shaft 53, which is transmitted to the first connecting shaft 51 and the second connecting shaft 52 respectively through the first link 54 and the second link 55, prompting the first connecting shaft 51 and the second connecting shaft 52 to move away. That is, when pressing the first pressing handle 6 and the second pressing handle 7, in addition to being bitten by the lever force, the first jaw 11 and the second jaw 21 are also bitten by the thrust force of the third connecting shaft 53 moving leftward, making it more labor-saving to cut nails.

[0044] Embodiment 3

[0045] The structure of this embodiment is similar to that of Embodiment 2, the difference being that, as Figure 5 and Figure 6 shown, the first pressing handle 6 is provided with a first receiving groove 61 for receiving the first jaw 1 on the side away from the third connecting shaft 53, and the second pressing handle 7 is provided with a second receiving groove 71 for receiving the second jaw 2 on the side away from the third connecting shaft 53. When the first pressing handle 6 and the second pressing handle 7 are buckled, the first jaw 1 and the second jaw 2 are respectively exactly received in the first receiving groove 61 and the second receiving groove 71.

[0046] As Figure 9 and Figure 10As shown, as a further improvement, a first abutting portion 62 is provided at the front end of the first pressing handle 6. The distance from the first abutting portion 62 to the first connecting shaft 51 is set to be greater than half of the distance from the first connecting shaft 51 to the second connecting shaft 52 when the torsion spring 4 is in a natural state. A second abutting portion 72 is provided at the front end of the second pressing handle 7. The distance from the second abutting portion 72 to the second connecting shaft 52 is set to be greater than half of the distance from the first connecting shaft 51 to the second connecting shaft 52 when the torsion spring 4 is in a natural state. In this way, when the first pressing handle 6 and the second pressing handle 7 are folded and buckled and opened, the first jaw 11 and the second jaw 21 will be close to compress the torsion spring 4, that is, the first pressing handle 6 and the second pressing handle 7 need to overcome the restoring elastic force exerted by the torsion spring 4 on the first jaw body 6 and the second jaw body 7, and the effect of buckling the first pressing handle 6 and the second pressing handle 7 is achieved by using this restoring elastic force, without additionally providing an independent locking structure.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A nail clipper head, comprising a first clamp body (1) and a second clamp body (2) which are pivotally connected to each other in a relative manner through a pivot (3), wherein the front end of the first clamp body (1) is provided with a first jaw (11), and the front end of the second clamp body (2) is provided with a second jaw (21), characterized in that: The rear end of the first pliers body (1) and the rear end of the second pliers body (2) are connected together via a synchronization component (5) that enables the first pliers body (1) and the second pliers body (2) to rotate synchronously with the pivot (3) as the rotation axis.

2. The nail clipper head according to claim 1, characterized in that: The synchronization component (5) comprises a first connecting shaft (51), a second connecting shaft (52), a third connecting shaft (53), a first connecting rod (54) and a second connecting rod (55); the first connecting shaft (51) is arranged at the rear end of the first caliper body (1); the second connecting shaft (52) is arranged at the rear end of the second caliper body (2); the third connecting shaft (53) is arranged at a rear position away from the rear end of the first caliper body (1) and the rear end of the second caliper body (2); the front end of the first connecting rod (54) is pivotally connected to the first connecting shaft (51); the rear end of the first connecting rod (54) is pivotally connected to the third connecting shaft (53); the front end of the second connecting rod (55) is pivotally connected to the second connecting shaft (52); the rear end of the second connecting rod (55) is pivotally connected to the third connecting shaft (53); the distance from the first connecting shaft (51) to the third connecting shaft (53) is set to be equal to the distance from the second connecting shaft (52) to the third connecting shaft (53).

3. The nail clipper head according to claim 2, characterized in that: The first connecting rod (54) comprises a front shaft sleeve (541), a connecting rod (542) and a rear shaft sleeve (543); the front end of the connecting rod (542) is connected to a position of the front shaft sleeve (541) close to the right end, and the rear end of the connecting rod (542) is connected to a position of the rear shaft sleeve (543) close to the left end.

4. The nail clipper head according to claim 3, characterized in that: The second connecting rod (55) has the same structure as the first connecting rod (54), and when installed, its installation direction is opposite to that of the first connecting rod (54) in the left and right direction.

5. A nail clipper, characterized in that: The invention comprises a first pressing handle (6) and a second pressing handle (7), and a nail clipper head as described in any one of claims 1 to 4, wherein the front end of the first pressing handle (6) is pivotally connected to the first connecting shaft (51), the front end of the second pressing handle (7) is pivotally connected to the second connecting shaft (52), and the first pressing handle (6) and the second pressing handle (7) are both provided with a positioning hole (8) matching the third connecting shaft (53) at a position corresponding to the third connecting shaft (53) on the side facing the third connecting shaft (53).

6. The nail clipper according to claim 5, characterized in that: An elastic member is provided between the first pliers body (1) and the second pliers body (2) to provide elastic force for the first jaw (11) and the second jaw (21) to open relative to each other.

7. The nail clipper according to claim 6, characterized in that: The first pressing handle (6) is provided with a first receiving groove (61) for receiving the first pliers body (1) on a side away from the third connecting shaft (53), and the second pressing handle (7) is provided with a second receiving groove (71) for receiving the second pliers body (2) on a side away from the third connecting shaft (53); when the first pressing handle (6) and the second pressing handle (7) are buckled together, the first pliers body (1) and the second pliers body (2) are respectively exactly received in the first receiving groove (61) and the second receiving groove (71).

8. The nail clipper according to claim 7, characterized in that: A first abutment portion (62) is provided at the front end of the first pressing handle (6), and a distance from the first abutment portion (62) to the first connecting axis (51) is set to be greater than half of a distance from the first connecting axis (51) to the second connecting axis (52) when the elastic member is in a natural state; a second abutment portion (72) is provided at the front end of the second pressing handle (7), and a distance from the second abutment portion (72) to the second connecting axis (52) is set to be greater than half of a distance from the first connecting axis (51) to the second connecting axis (52) when the elastic member is in a natural state.

9. The nail clipper according to claim 8, characterized in that: The elastic member is a torsion spring (4), which is sleeved on the pivot (3), one end of the torsion spring (4) abuts against the first caliper body (1), and the other end of the torsion spring (4) abuts against the second caliper body (2).

10. The nail clipper according to claim 5, characterized in that: The positioning opening (8) is an arc-shaped notch.

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