Nail clipper with locking device

Abstract

The utility model discloses a nail clipper with a locking device, which comprises a first clipper body and a second clipper body which are crossed and pivoted together, a first cutting edge is arranged at the front end of the first clipper body, and a second cutting edge is arranged at the front end of the second clipper body. The front portion of the second plier body is bent upwards, a receding opening penetrating through the second plier body is formed in the bent portion of the second plier body, the front portion of the first plier body penetrates through the receding opening to the meshing position of the first cutting edge and the second cutting edge and then is in pivot joint with the second plier body through a pivot joint nail, and an abutting portion is arranged at the top of the receding opening. A locking mechanism is arranged at the position, corresponding to the abutting part, of the front portion of the first clamp body, and the locking mechanism is arranged to be capable of sliding front and back along the first clamp body and has a first position abutting against the abutting part and a second position separated from the abutting part. The utility model has the beneficial effects that the locking and unlocking of the first plier body and the second plier body can be realized by sliding the locking mechanism relative to the first plier body, and the operation is simple and convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the nail tool technical field, more specifically, especially relate to a nail clippers with locking device. BACKGROUND

[0002] Nail clippers are also called nail scissors or nail clippers, which are personal care products mainly used for trimming nails and toenails. The operation utilizes the principle of leverage. Most nail clippers are made of metal. Users only need to press the end of the clippers to easily cut the nails through the sharp front end.

[0003] There are many styles of nail clippers now. Some are large and have nail files attached. Some are small and light, which can be used as a lock key. Some have a locking device to maintain the closed state of the clippers.

[0004] For example, the Chinese utility model patent with the patent number 202220027601.1 and the invention name of a new type of lock type nail clippers includes a lower clamp body. A fixed cutting edge is provided on the left end of the lower clamp body. A movable cutting edge is installed between the front and rear side walls of the lower clamp body corresponding to the fixed cutting edge through a first pivot. A mouth opening spring is provided on the first pivot, and the upper and lower sides of the mouth opening spring are in contact with the lower inner wall of the lower clamp body and the upper inner wall of the movable cutting edge. An upper clamp body is installed on the front and rear inner walls of the lower clamp body near the movable cutting edge through a connecting mechanism. An extension plate is provided on the left end of the upper clamp body, and the extension plate is inserted into the lower inner wall of the movable cutting edge. An installation hole is formed in the lower wall of the lower clamp body near the right side. A moving block is movably installed on the lower inner wall of the lower clamp body corresponding to the installation hole through a rivet. A first long slot is formed in the moving block corresponding to the position of the rivet. A buckle spring is provided on the left end of the moving block. The buckle spring is buckled and installed on the limiting column on the upper surface of the lower clamp body. An unlocking switch is fixedly installed on the lower surface of the moving block. A second long slot is formed in the lower wall of the lower clamp body corresponding to the unlocking switch. A lock hook is provided on the right end of the moving block. The lock hook is provided with a lock groove on the right inner wall of the upper clamp body corresponding to the lock hook.

[0005] The above technical solution moves the moving block to the right side by setting the buckle spring, so that the lock hook is buckled and installed in the lock groove on the right end of the upper clamp body. This can effectively lock and fix the lower clamp body and the upper clamp body, and effectively prevent the nail clippers from being accidentally opened. However, the structure is too complex, the assembly process is too long, the labor cost is high, and the production cost is also high. SUMMARY

[0006] The utility model aims to solve the above-mentioned technical problems, and aims to provide a nail clippers with locking device which has simple structure, less assembly process and relatively low production cost.

[0007] The utility model discloses a following technical scheme realizes.

[0008] The utility model provides a kind of nail clippers with locking device, including first jaw body and second jaw body that are crossed and hinged together, the front end of first jaw body is equipped with first blade edge, the front end of second jaw body is equipped with second blade edge, first blade edge and second blade edge are oppositely arranged and can be mutually occluded, the front portion of second jaw body is curved upwards and the curved portion of second jaw body is equipped with the avoidance mouth that passes through second jaw body, the front portion of first jaw body passes through avoidance mouth until first blade edge and second blade edge occlusion position is hinged with second jaw body by hinge nail, the top of avoidance mouth is equipped with abutment portion, the front portion of first jaw body is equipped with locking mechanism in the position corresponding with abutment portion, the locking mechanism is set to can slide along first jaw body front and back and have the first position of abutment with abutment portion and the second position of disengagement with abutment portion, when locking mechanism is located in first position, the locking mechanism can maintain first blade edge and second blade edge occlusion state with the cooperation of abutment portion, when locking mechanism is located in second position, first blade edge and second blade edge can be relatively opened.

[0009] The above technical scheme, right hand single hand grips nail clippers can be controlled by right thumb when first blade edge and second blade edge are in occlusion state, right thumb operates locking mechanism to slide forward relative to first jaw body until locking mechanism abuts with abutment portion, locking mechanism can cooperate with abutment portion to maintain first blade edge and second blade edge occlusion state, so that nail clippers are not used, user will not touch first blade edge and second blade edge, and safety is good, when nail clippers are needed to be used to trim nail, only need to operate locking mechanism to slide backward relative to first jaw body until locking mechanism disengages with abutment portion when first blade edge and second blade edge are in occlusion state, first jaw body can be opened and approached relative to second jaw body, to realize that first blade edge is opened and occluded relative to second blade edge to complete trimming nail operation.

[0010] Preferably, the locking mechanism includes a pusher, a slider and a limiting piece, the pusher is placed in the first sliding groove provided on the upper surface of the front portion of the first jaw body, the slider is placed in the second sliding groove that communicates with the first sliding groove and penetrates the first jaw body, the bottom end of the slider extends to the outside of the second sliding groove, the top end of the slider is connected with the pusher, the limiting piece is arranged between the bottom end of the slider and the lower surface of the first jaw body and is connected with the slider, the limiting piece abuts against the lower surface of the first jaw body to limit the slider from disengaging the sliding groove in the direction of the upper surface of the first jaw body. In the technical solution, the pusher cooperates with the first sliding groove to slide, the slider cooperates with the second sliding groove to slide, the locking mechanism is not easy to slide left and right when sliding forward and backward relative to the first jaw body, the sliding can be more stable, and the limiting piece can prevent the locking mechanism from disengaging the first sliding groove and the second sliding groove when sliding forward and backward relative to the first jaw body, so that the locking mechanism operates stably and reliably.

[0011] Preferably, the bottom end of the sliding piece is provided with a lug extending outwardly, the limiting piece is a compression spring, the compression spring is sleeved on the sliding piece, the bottom end of the compression spring abuts against the upper side of the lug, and the top end of the compression spring abuts against the lower surface of the first plier body. In the technical solution, the lug is arranged at the bottom end of the sliding piece, so that the compression spring can be conveniently fixed. The compression spring can not only prevent the sliding piece from being separated from the second sliding groove, but also increase the friction force when the pushing piece slides relative to the first sliding groove by the elastic force of the compression spring, so as to prevent the locking mechanism from sliding accidentally under the action of gravity and improve the reliability of the locking mechanism.

[0012] Preferably, the compression spring is in the shape of a frustum of a cone with a small end and a large end, the bottom end of the compression spring is the small end, and the top end of the compression spring is the large end. In the technical solution, the compression spring is arranged in the shape of a frustum of a cone with a small end and a large end. The small end of the compression spring abuts against the lug, so that the length of the lug can be reduced to save materials, the strength of the lug can be prevented from being reduced due to the excessive length of the lug, the abutting area can be increased by the large end of the compression spring abutting against the lower surface of the first plier body, the stability of the locking mechanism during sliding is better, and the compression spring can be conveniently installed. The compression spring is only needed to be compressed first, then to be inclined at a certain angle relative to the sliding piece, to pass one lug through the small end first, to pass the other lug through the small end, and finally to be straightened to complete the installation of the compression spring.

[0013] Preferably, the number of the lugs is two, and the two lugs are symmetrically arranged on the opposite front and rear sides of the sliding piece. In the technical solution, the two lugs are symmetrically arranged on the opposite front and rear sides of the sliding piece, the length of the lugs and the length of the sliding piece are the same as the extension direction of the length of the second sliding groove, so that the width of the sliding piece can be arranged to be equivalent to the width of the second sliding groove. The width of the sliding piece equivalent to the width of the second sliding groove can prevent the sliding piece from deviating when sliding relative to the second sliding groove. In this case, the two lugs and the sliding piece can also smoothly pass through the second sliding groove, and the assembly of the locking mechanism and the first plier body can be realized by finally installing the compression spring.

[0014] Preferably, the upper surface of the pushing piece is provided with an abutting surface matched with the abutting portion at the front end, the upper surface of the pushing piece is provided with a pushing portion higher than the abutting surface at the rear end, and the pushing portion is located outside the first sliding groove. In the technical solution, the pushing piece slides in cooperation with the first sliding groove. The thumb of the user can push the pushing piece to slide forward and backward relative to the first plier body by contacting the pushing portion. The abutting surface at the front end of the pushing piece matches the abutting portion, so that the locking and unlocking of the first plier body and the second plier body can be realized, and the operation is simple and convenient.

[0015] Preferably, the outer surface of the pushing part is provided with anti-skid stripes. In this way, the friction between the user's thumb and the pushing part can be increased, and the situation of slipping when pushing the pushing part due to sweat or moisture on the thumb can be avoided.

[0016] Preferably, the pushing part, the sliding part and the lug are integrally formed. In this way, the locking mechanism is simpler in structure, and is convenient for processing and assembling.

[0017] Preferably, the abutting part is a block-shaped body which is integrally formed with the second plier body and extends downward from the middle part of the top of the avoiding opening and protrudes relative to the top of the avoiding opening, the lower end surface of the block-shaped body is matched with the abutting surface of the front end of the upper surface of the pushing part, and the width of the block-shaped body is set to be equivalent to the width of the first sliding groove. In this way, the abutting part is easy to form, can be formed at the same time when the avoiding opening is processed, and the structure of the abutting part is simple and practical.

[0018] Preferably, a torsion spring is sleeved on the pivot pin, one end of the torsion spring is abutted against the inner side of the first plier body, and the other end of the torsion spring is abutted against the inner side of the second plier body. In this way, after the first blade opening and the second blade opening are engaged, the first blade opening and the second blade opening can be automatically opened under the elastic force of the torsion spring to facilitate the next engagement operation after the operating force on the first plier body and the second plier body is removed.

[0019] The utility model discloses the beneficial effect lies in, through relative first plier body sliding locking mechanism can realize the locking and unlocking of first plier body and second plier body, simple and convenient operation, pushing part, sliding part and lug are integral structure, and cooperate compression spring and can realize the assembly fixed with first plier body, and the assembly is easy, through pushing part and first sliding groove cooperation, sliding part and second sliding groove cooperation, and compression spring makes pushing part and first sliding groove abutting tightly, and locking mechanism operation is simple, and sliding is stable, and the locking effect is reliable. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model;

[0021] Figure 2 It is the structure schematic view of second plier body of the utility model;

[0022] Figure 3 It is the structure schematic view of first plier body of the utility model;

[0023] Figure 4 It is the structure schematic view of locking mechanism of the utility model;

[0024] Figure 5 It is the structure schematic view of locking mechanism of the utility model omitting limiting piece;

[0025] Figure 6A schematic view of the locking mechanism cooperating with the abutting part of the utility model;

[0026] Figure 7 A schematic view of the locking mechanism cooperating with the first jaw body assembly of the utility model. DETAILED DESCRIPTION

[0027] The drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent; in order to better illustrate the embodiment, some components of the drawings are omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted. The positional relationship described in the drawings is only used for exemplary illustration, and cannot be understood as a limitation on the patent.

[0028] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the terms "upper", "lower", "left", "right", "long", "short" and the like indicate the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not to indicate or imply that the device or element referred to must have a particular orientation, structure and operation, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0029] The technical scheme of the utility model will be further described in detail below through specific embodiments, and in conjunction with the drawings:

[0030] Embodiment 1

[0031] The utility model provides a nail clipper with locking device, such as Figures 1 to 3As shown, it comprises a first jaw 1 and a second jaw 2 which are cross-pivoted together, the front end of the first jaw 1 is provided with a first blade 11, the front end of the second jaw 2 is provided with a second blade 21, the first blade 11 and the second blade 21 are oppositely arranged and can be mutually engaged, the front part of the second jaw 2 is upwardly bent and the second jaw 2 is provided with an avoiding opening 3 which penetrates the second jaw 2 at the bent part, the front part of the first jaw 1 penetrates the avoiding opening 3 and is pivoted to the second jaw 2 by a pivot pin 4 after the first blade 11 and the second blade 21 reach the engaged position, the top of the avoiding opening 3 is provided with an abutting part 5, the front part of the first jaw 1 is provided with a locking mechanism 6 at the position corresponding to the abutting part 5, the locking mechanism 6 is arranged to be slidable forward and backward along the first jaw 1 and has a first position abutting against the abutting part 5 and a second position disengaging from the abutting part 5, when the locking mechanism 6 is located at the first position, the locking mechanism 6 cooperates with the abutting part 5 to maintain the engaged state of the first blade 11 and the second blade 21, when the locking mechanism 6 is located at the second position, the first blade 11 and the second blade 21 can be relatively opened.

[0032] In the embodiment, as shown in Figures 3 to 7 The locking mechanism 6 comprises a pushing piece 61, a sliding piece 62 and a limiting piece 63, the pushing piece 61 is arranged in a first sliding groove 7 provided on the upper surface of the front part of the first jaw 1, the sliding piece 62 is arranged in a second sliding groove 8 which is in communication with the first sliding groove 7 and penetrates the first jaw 1, the bottom end of the sliding piece 62 extends out of the second sliding groove 8, the top end of the sliding piece 62 is connected with the pushing piece 61, the bottom end of the sliding piece 62 is provided with two lugs 621 which are symmetrically arranged on the opposite front and rear sides of the sliding piece 62, the limiting piece 63 is a compression spring, the compression spring 63 is sleeved on the sliding piece 62 and the bottom end of the compression spring 63 abuts against the upper side of the lug 621, the top end of the compression spring 63 abuts against the lower surface of the first jaw 1, in the embodiment, the pushing piece 61, the sliding piece 62 and the lug 621 are integrally formed.

[0033] As shown in Figure 5 As a further improvement, the upper surface of the pushing piece 61 is provided with an abutting face 611 which cooperates with the abutting part 5, the rear end of the upper surface of the pushing piece 61 is provided with a pushing part 612 which is higher than the abutting face 611, the pushing part 612 is located outside the first sliding groove 7, the outer surface of the pushing part 612 is provided with anti-skid stripes.

[0034] As shown in Figure 2As shown, as a further improvement, the abutting portion 5 is a block which is integrally formed with the second plier body 2, extends downward from the middle portion of the top of the avoiding opening 3 and protrudes from the top of the avoiding opening 3, the lower end surface of the block cooperates with the abutting surface 611 of the front end of the upper surface of the pushing member 61, and the width of the block is set to be equal to the width of the first sliding groove 7 so that the block can be conveniently inserted into the first sliding groove 7 and cooperates with the abutting surface 611 of the pushing member 61.

[0035] Embodiment 2

[0036] The structure of the present embodiment is similar to that of Embodiment 1, and the difference lies in that, as shown in Figure 6 and Figure 7 As shown, the compression spring 63 is in the shape of a truncated cone with a small end and a large end, the bottom end of the compression spring 63 is the small end, the top end of the compression spring 63 is the large end, the compression spring 63 can be installed by abutting the small end with the lug 621, which can reduce the length of the lug 621 to save material and avoid the lug 621 being too long to reduce the strength of the lug 621, abutting the large end with the lower surface of the first plier body 1 can increase the abutting area, the locking mechanism 6 is more stable when sliding, and the compression spring 63 can be conveniently installed by first compressing the compression spring 63, then tilting the compression spring 63 at a certain angle relative to the sliding member 62, letting one of the lugs 621 pass through the small end first, then letting the other lug 621 pass through the small end, and finally returning the compression spring 63 to the normal position.

[0037] Embodiment 3

[0038] The structure of the present embodiment is similar to that of Embodiment 2, and the difference lies in that, a torsion spring (not shown in the drawings) is sleeved on the pivot pin 4, one end of the torsion spring abuts the inner side of the first plier body 1, and the other end of the torsion spring abuts the inner side of the second plier body 2, so that after the first blade opening 11 and the second blade opening 21 are engaged, the first blade opening 11 and the second blade opening 21 can be automatically opened under the elastic force of the torsion spring to facilitate the next engagement operation.

[0039] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, it is not necessary and impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A nail clipper with a locking device, comprising a first clamping body and a second clamping body pivotally connected together, wherein the front end of the first clamping body is provided with a first cutting edge, and the front end of the second clamping body is provided with a second cutting edge, the first cutting edge and the second cutting edge being arranged opposite to each other and capable of interlocking, characterized in that... The front part of the second clamp body is bent upward and the second clamp body has a clearance opening that penetrates through the second clamp body at the bent part. The front part of the first clamp body passes through the clearance opening until the first and second cutting edges are engaged, and then is pivotally connected to the second clamp body by a pivot pin. The top of the clearance opening has an abutment part. The front part of the first clamp body has a locking mechanism at a position corresponding to the abutment part. The locking mechanism is configured to slide back and forth along the first clamp body and has a first position that abuts against the abutment part and a second position that disengages from the abutment part. When the locking mechanism is in the first position, the locking mechanism cooperates with the abutment part to maintain the engagement state of the first and second cutting edges. When the locking mechanism is in the second position, the first and second cutting edges can open relative to each other.

2. The nail clipper with a locking device according to claim 1, characterized in that, The locking mechanism includes a pusher, a slider, and a limiter. The pusher is placed in a first groove on the upper surface of the front of the first clamp body. The slider is placed in a second groove that communicates with the first groove and penetrates the first clamp body. The bottom end of the slider extends outside the second groove, and the top end of the slider is connected to the pusher. The limiter is located between the bottom end of the slider and the lower surface of the first clamp body and is connected to the slider. The limiter abuts against the lower surface of the first clamp body to prevent the slider from disengaging from the groove towards the upper surface of the first clamp body.

3. The nail clipper with a locking device according to claim 2, characterized in that, The bottom end of the slider is provided with a lug extending outward from the slider. The limiting member is a compression spring. The compression spring is fitted on the slider and the bottom end of the compression spring abuts against the upper side of the lug. The top end of the compression spring abuts against the lower surface of the first clamp body.

4. The nail clipper with a locking device according to claim 3, characterized in that, The compression spring is shaped like a frustum with a small end and a large end, with the small end at the bottom and the large end at the top.

5. The nail clipper with a locking device according to claim 4, characterized in that, The number of lugs is two, and the two lugs are symmetrically arranged on the front and rear sides of the slider.

6. The nail clipper with a locking device according to claim 5, characterized in that, The upper surface of the pusher has an abutment surface at the front end that mates with the abutment part, and the upper surface of the pusher has a push part at the rear end that is higher than the abutment surface. The push part is located outside the first slide groove.

7. The nail clipper with a locking device according to claim 6, characterized in that, The outer surface of the pusher is provided with anti-slip stripes.

8. The nail clipper with a locking device according to claim 7, characterized in that, The pusher, the slider, and the lug are integrally formed.

9. The nail clipper with a locking device according to claim 6, characterized in that, The abutting part is a block-shaped body, which is integrally formed with the second clamp body. It is formed by extending downward from the middle part of the top of the clearance opening and protruding relative to the top of the clearance opening. The lower end face of the block-shaped body cooperates with the abutting surface of the front end of the upper surface of the pusher. The width of the protrusion is set to be equivalent to the width of the first slide groove.

10. The nail clipper with a locking device according to claim 9, characterized in that, A torsion spring is fitted onto the pivot pin. One end of the torsion spring abuts against the inside of the first clamp body, and the other end of the torsion spring abuts against the inside of the second clamp body.

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