CN221226963U

CN221226963U - Cable scissors

Info

Publication number: CN221226963U
Application number: CN202322552796.9U
Authority: CN
Inventors: 张传祥; 鲍尚刚; 孙健; 缪龙骁
Original assignee: Baishi Technology Shanghai Co ltd
Current assignee: Baishi Technology Shanghai Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-06-25
Anticipated expiration: 2033-09-20

Abstract

The utility model relates to the technical field of cable shearing tools, and particularly discloses a cable shear. According to the cable cutter provided by the utility model, the fixed blade and the movable blade are connected through the first connecting piece, one part of the rolling piece is arranged in the first rolling groove, the other part of the rolling piece is arranged in the second rolling groove, and the rolling piece cannot rotate along the axis of the rolling piece in the rotating process of the movable blade relative to the fixed blade, so that the first connecting piece is prevented from loosening, and the problem that the normal use of the cable cutter is influenced due to the loosening of the first connecting piece is avoided.

Description

Cable scissors

Technical Field

The utility model relates to the technical field of cable shearing tools, in particular to a cable shear.

Background

The ratchet type cable scissors comprise a grab handle device, a shearing device and a propelling device, wherein the propelling device of the ratchet type cable scissors drives teeth on a movable cutter body to advance by means of two gear transmissions, so that a circular shearing part formed by the blade parts of the movable cutter body and a fixed cutter body is gradually reduced, and the shearing effect is achieved.

At present, after the conventional ratchet type cable scissors are sheared for a plurality of times, bolts for connecting the fixed blade and the movable blade are easy to loose or even fall off. In the prior art, in order to solve the above technical problem, glue is generally applied to a bolt connecting a fixed blade and a movable blade, so that the bolt is prevented from loosening, and the problem is not solved by structural improvement.

Accordingly, there is a need to provide a cable shears to solve the above technical problems.

Disclosure of utility model

The utility model aims to provide a pair of cable shears, which is structurally improved to solve the problem that a first connecting piece for connecting a fixed blade and a movable blade is loose or even falls off.

To achieve the purpose, the utility model adopts the following technical scheme:

a pair of cable shears comprising:

A fixed blade provided with a first mounting hole;

The movable blade is provided with a second mounting hole, and the hole wall of at least one of the second mounting hole and the first mounting hole is provided with a first rolling groove;

The first mounting hole and the second mounting hole are penetrated at one end of the first connecting piece, a second connecting piece is detachably connected to one end of the first connecting piece, and a second rolling groove corresponding to the first rolling groove is formed in the side wall of the first connecting piece;

And one part of the rolling piece is arranged in the first rolling groove in a rolling way, and the other part of the rolling piece is arranged in the second rolling groove in a rolling way.

As an optional technical scheme of the cable scissors, a first rolling groove is formed in the hole wall of the first mounting hole.

As an alternative solution of the above cable cutter, two ends of the first rolling groove penetrate through a side wall of the fixed blade or the movable blade.

As an optional technical scheme of the cable scissors, the rolling member is a ball, the second rolling groove is matched with the ball in shape, and the first rolling groove is provided with an arc-shaped surface matched with the ball.

As an optional technical scheme of the cable scissors, the rolling element is a cylindrical pin, the second rolling groove and the first rolling groove extend along the axial direction of the first connecting piece respectively, the cylindrical pin and the first connecting piece are coaxially arranged, one part of the cylindrical pin is arranged in the first rolling groove, and the other part of the cylindrical pin is arranged in the second rolling groove.

As an optional technical scheme of the cable scissors, the first connecting piece comprises a connecting bolt, one end of the connecting bolt penetrates through the first mounting hole and the second mounting hole, the second rolling groove is formed in a screw rod of the connecting bolt, and the second connecting piece comprises a connecting nut in threaded connection with the connecting bolt.

As an optional technical scheme of the cable scissors, the cable scissors further comprise at least one gasket, wherein the gasket is sleeved on the screw rod of the connecting bolt, and the gasket is arranged between the movable blade and the connecting nut.

As an optional technical scheme of the cable cutter, the fixed blade is of an arc-shaped structure, an arc-shaped first blade is arranged on the inner side of the fixed blade, one end of the fixed blade is connected with the handle portion, and the other end of the fixed blade is provided with the first mounting hole.

As an optional technical scheme of the cable scissors, the movable blade is of an arc-shaped structure, an arc-shaped second cutting edge is arranged on the inner side of the movable blade, a second mounting hole is formed in one end of the movable blade, and a shearing part for accommodating cables is formed by surrounding the second cutting edge and the first cutting edge.

As an alternative technical solution of the cable cutter, a driving tooth is arranged on the outer side of the movable blade from one end to the other end, the driving tooth is meshed with a pushing component, and the pushing component can enable the movable blade to rotate relative to the fixed blade so as to shrink or enlarge the cutting part.

The utility model has the beneficial effects that:

According to the cable cutter provided by the utility model, the fixed blade and the movable blade are connected through the first connecting piece, one part of the rolling piece is arranged in the first rolling groove, the other part of the rolling piece is arranged in the second rolling groove, and the rolling piece cannot rotate along the axis of the rolling piece in the rotating process of the movable blade relative to the fixed blade, so that the first connecting piece is prevented from loosening, and the problem that the normal use of the cable cutter is influenced due to the loosening of the first connecting piece is avoided.

Drawings

Fig. 1 is a schematic diagram of an explosion structure of a cable scissor according to an embodiment of the utility model;

fig. 2 is a schematic view of a partial structure of a cable cutter according to an embodiment of the present utility model.

In the figure:

1. A fixed blade; 2. a movable blade; 3. a first connector; 4. a second connector; 5. a rolling member; 6. a gasket; 7. A handle portion; 8. A propulsion assembly;

11. A first mounting hole; 12. A first rolling groove; 13. A first blade;

21. a second mounting hole; 22. A second blade; 23. A drive tooth;

31. and a second rolling groove.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1 and 2, the present embodiment provides a cable cutter including a fixed blade 1 and a movable blade 2, the fixed blade 1 being provided with a first mounting hole 11, the movable blade 2 being provided with a second mounting hole 21, and a wall of at least one of the second mounting hole 21 and the first mounting hole 11 being provided with a first rolling groove 12. The first mounting hole 11 and the second mounting hole 21 are worn to establish by the one end of first connecting piece 3, and the one end of first connecting piece 3 can be dismantled and be connected with second connecting piece 4, and the lateral wall of first connecting piece 3 is equipped with the second rolling groove 31 that corresponds with first rolling groove 12. A part of the rolling member 5 is placed in the first rolling groove 12, and another part of the rolling member 5 is placed in the second rolling groove 31 in a rolling manner.

The cable cutter that this embodiment provided, its fixed blade 1 and movable blade 2 are connected through first connecting piece 3, and first rolling groove 12 is arranged in to part of rolling element 5, and second rolling groove 31 is arranged in to another part of rolling element 5, and in movable blade 2 relative fixed blade 1 rotation in-process, the rolling element 5 that sets up can not rotate along self axis, and then can play the not hard up effect of preventing first connecting piece 3, avoids influencing the problem of the normal use of cable cutter because first connecting piece 3 is not hard up.

In some embodiments, the fixed blade 1 has an arc structure, and an inner side of the fixed blade 1 is provided with an arc first blade edge 13, one end of the fixed blade 1 is connected with the handle portion 7, and the other end of the fixed blade 1 is provided with the first mounting hole 11. The fixed blade 1 is arc structure to in order to process curved first cutting edge 13, and when shearing the cable, curved fixed blade 1 can support on the holding surface, in shearing process, fixed blade 1 can produce the displacement relative holding surface, and the holding surface does not influence the cable and cuts the cable when providing holding power for the cable to cut.

The movable blade 2 is of an arc-shaped structure, an arc-shaped second blade 22 is arranged on the inner side of the movable blade 2, a second mounting hole 21 is formed in one end of the movable blade 2, and a shearing part for accommodating cables is formed by surrounding the second blade 22 and the first blade 13. The movable blade 2 can be rotated relative to the fixed blade 1 to increase or decrease the cutout. When the cable is placed in the shearing part, the position of the movable blade 2 can be adjusted, the shearing part is reduced, and the first blade 13 and the second blade 22 cut off the cable, so that the cable shearing machine is suitable for shearing cables with different thicknesses.

The movable blade 2 is rotatable relative to the fixed blade 1, and a driving force needs to be provided to the movable blade 2, alternatively, a driving tooth 23 is provided on the outer side of the movable blade 2 from one end to the other end, and the driving tooth 23 is engaged with a propulsion assembly 8, and the propulsion assembly 8 can rotate the movable blade 2 relative to the fixed blade 1 to reduce or enlarge the shearing portion. The propulsion component 8 not only can provide driving force for adjusting the position of the movable blade 2, but also can keep the position of the movable blade 2, so that the movable blade 2 cannot be locked to be inconvenient to carry and store, and operators are not injured even in the carrying or storing process.

The construction of the propulsion assembly 8 described above is prior art and is not described in detail herein.

With continued reference to fig. 2, in some embodiments, the wall of the first mounting hole 11 is provided with a first rolling groove 12, and the corresponding first connecting member 3 is provided with a second rolling groove 31. The provision of only one first rolling groove 12 also serves to prevent the first connecting member 3 from loosening and facilitates the installation of the first connecting member 3.

In other embodiments, the wall of the second mounting hole 21 is provided with a first rolling groove 12, and the corresponding first connecting piece 3 is provided with a second rolling groove 31. Or the wall of the first mounting hole 11 and the wall of the second mounting hole 21 are respectively provided with a first rolling groove 12, and the first connecting piece 3 is provided with two second rolling grooves 31.

The wall of the first mounting hole 11 may be provided with a plurality of first rolling grooves 12 in the circumferential direction, and/or the wall of the second mounting hole 21 may be provided with a plurality of first rolling grooves 12 in the circumferential direction, and the corresponding first connecting member 3 may be provided with a plurality of second rolling grooves 31 in the circumferential direction.

The two ends of the first rolling groove 12 penetrate through the side wall of the fixed blade 1 or the movable blade 2, so that the first connecting piece 3 is convenient to install, in the process that the first connecting piece 3 penetrates through the first mounting hole 11 and the second mounting hole 21, the rolling piece 5 installed in the second rolling groove 31 enters the first rolling groove 12 from one end of the first rolling groove 12, and the second rolling groove 31 limits the rolling piece 5 not to be separated from the first connecting piece 3. In addition, both ends of the first rolling groove 12 are provided through the side wall of the fixed blade 1 or the movable blade 2, facilitating the processing of the first rolling groove 12.

In some embodiments, the rolling elements 5 are balls, the second rolling grooves 31 are matched with the shapes of the balls, and the balls can roll in the second rolling grooves 31. The first rolling groove 12 has an arcuate surface matching with the balls so as to facilitate the installation of the balls, and has an effect of preventing the first connecting member 3 from loosening. Preferably, the first rolling groove 12 penetrates the side wall of the fixed blade 1 or the movable blade 2, facilitating the installation of the first connector 3. The first rolling groove 12 is provided with an arc-shaped surface matched with the ball, so that the connecting structure of the first connecting piece 3 and the fixed blade 1 or the movable blade 2 is more compact, and the anti-loosening effect of the first connecting piece 3 is improved.

In other embodiments, the rolling member 5 is a cylindrical pin, the second rolling groove 31 and the first rolling groove 12 extend along the axial direction of the first connecting member 3, the cylindrical pin is coaxially disposed with the first connecting member 3, a portion of the cylindrical pin is disposed in the first rolling groove 12, and another portion of the cylindrical pin is disposed in the second rolling groove 31. The first rolling groove 12 and the second rolling groove 31 are respectively provided with an arc surface matched with the cylindrical pin, so that the connecting structure of the first connecting piece 3 and the fixed blade 1 or the movable blade 2 is more compact, and the anti-loosening effect of the first connecting piece 3 is improved.

The first connecting piece 3 comprises a connecting bolt, one end of the connecting bolt is penetrated through the first mounting hole 11 and the second mounting hole 21, the second rolling groove 31 is formed in a screw rod of the connecting bolt, the second connecting piece 4 comprises a connecting nut in threaded connection with the connecting bolt, the first connecting piece 3 and the second connecting piece 4 are convenient to assemble, and materials are easy to obtain. The rolling piece 5 can prevent the connecting bolt from rotating relative to the connecting nut, and further can play the anti-loosening purpose of the connecting bolt.

Further alternatively, the cable shears further comprise at least one gasket 6, the gasket 6 is sleeved on the screw rod of the connecting bolt, the gasket 6 is arranged between the movable blade 2 and the connecting nut, and the gasket 6 can also play a role in preventing the connecting screw rod from loosening relative to the connecting nut.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A pair of cable shears, comprising:

a fixed blade (1), wherein a first mounting hole (11) is formed in the fixed blade (1);

The movable blade (2), a second mounting hole (21) is formed in the movable blade (2), and a first rolling groove (12) is formed in the hole wall of at least one of the second mounting hole (21) and the first mounting hole (11);

The first connecting piece (3), one end of the first connecting piece (3) is penetrated through the first mounting hole (11) and the second mounting hole (21), one end of the first connecting piece (3) is detachably connected with the second connecting piece (4), and a second rolling groove (31) corresponding to the first rolling groove (12) is formed in the side wall of the first connecting piece (3);

a rolling element (5), wherein one part of the rolling element (5) is arranged in the first rolling groove (12) in a rolling way, and the other part of the rolling element (5) is arranged in the second rolling groove (31) in a rolling way.

2. Cable shear according to claim 1, wherein the wall of the first mounting hole (11) is provided with a first rolling groove (12).

3. The cable shears according to claim 1, wherein the first rolling groove (12) extends through a side wall of the stationary blade (1) or the movable blade (2).

4. The cable shears according to claim 1, wherein the rolling elements (5) are balls, the second rolling grooves (31) are matched with the shape of the balls, and the first rolling grooves (12) have an arc-shaped surface matched with the balls.

5. The cable shears according to claim 1, wherein the rolling member (5) is a cylindrical pin, the second rolling groove (31) and the first rolling groove (12) extend along the axial direction of the first connecting member (3), respectively, the cylindrical pin is coaxially arranged with the first connecting member (3), a part of the cylindrical pin is arranged in the first rolling groove (12), and another part of the cylindrical pin is arranged in the second rolling groove (31).

6. The cable shears according to claim 1, wherein the first connecting member (3) comprises a connecting bolt, one end of the connecting bolt is threaded through the first mounting hole (11) and the second mounting hole (21), the second rolling groove (31) is provided on a screw of the connecting bolt, and the second connecting member (4) comprises a connecting nut screwed with the connecting bolt.

7. The cable shears according to claim 6, further comprising at least one spacer (6), the spacer (6) being sleeved on the screw of the connecting bolt, and the spacer (6) being interposed between the movable blade (2) and the connecting nut.

8. The cable cutter according to claim 1, wherein the fixed blade (1) is of an arc-shaped structure, an arc-shaped first blade (13) is arranged on the inner side of the fixed blade (1), one end of the fixed blade (1) is connected with a handle portion (7), and the other end of the fixed blade (1) is provided with the first mounting hole (11).

9. The pair of cable shears according to claim 8, wherein the movable blade (2) has an arc-shaped structure, an arc-shaped second blade (22) is provided on the inner side of the movable blade (2), a second mounting hole (21) is provided at one end of the movable blade (2), and the second blade (22) and the first blade (13) enclose a shearing portion for accommodating the cable.

10. Cable cutter according to claim 9, wherein the outer side of the movable blade (2) is provided with a driving tooth (23) from one end to the other end, the driving tooth (23) being engaged with a propulsion assembly (8), the propulsion assembly (8) being capable of rotating the movable blade (2) relative to the stationary blade (1) to reduce or enlarge the cutting portion.