CN210500094U

CN210500094U - Nut breaking and cutting tool

Info

Publication number: CN210500094U
Application number: CN201921339845.8U
Authority: CN
Inventors: 李标; 丁正龙; 朱晓明
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-12
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a nut breaking and cutting tool, which comprises a nut sleeve body, a nut breaking and cutting knife, a thread driving rod and a handle; the nut sleeve body consists of a nut sleeve and a supporting rod, a threaded through hole is formed in the supporting rod along the length direction, and a cutting knife placing opening at the top of the threaded through hole is communicated with the nut sleeve hole of the nut sleeve; the nut breaking cutter is arranged at one end of the threaded driving rod, and the handle is connected to the other end of the threaded driving rod; the threaded driving rod can move in the threaded through hole under the driving of the handle so that the nut breaking cutter enters and exits the nut trepanning; the external thread of the thread driving rod is matched with the internal thread of the thread through hole. The breaking tool can efficiently urge against the nut.

Description

Nut breaking and cutting tool

Technical Field

The utility model relates to a broken instrument of cutting specifically relates to a broken instrument of cutting of nut.

Background

In the maintenance of household appliances, in daily industrial production and daily life. The nut is rusted and cannot be screwed by a wrench, and particularly when the nut is exposed to a damp, high-temperature or corrosive working environment for a long time, the nut is extremely easy to rust and difficult to detach, which brings certain troubles to daily inspection and maintenance operation.

Most of the existing nut breaking and cutting tools are hydraulic nut breaking and cutting devices. The hydraulic structure makes the whole workpiece slightly heavy and expensive, the extending length of the breaking cutter cannot be controlled when the hydraulic structure is used, and the bolt is often damaged to a certain extent when the nut is broken and cut.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a broken instrument of cutting of nut, this broken instrument of cutting can be high-efficiently urgent nut.

In order to achieve the purpose, the utility model provides a nut breaking and cutting tool, which comprises a nut sleeve body, a nut breaking cutter, a thread driving rod and a handle; the nut sleeve body consists of a nut sleeve and a supporting rod, a threaded through hole is formed in the supporting rod along the length direction, and a cutting knife placing opening at the top of the threaded through hole is communicated with the nut sleeve hole of the nut sleeve; the nut breaking cutter is arranged at one end of the threaded driving rod, and the handle is connected to the other end of the threaded driving rod; the threaded driving rod can move in the threaded through hole under the driving of the handle so that the nut breaking cutter enters and exits the nut trepanning; the external thread of the thread driving rod is matched with the internal thread of the thread through hole.

Preferably, a breaking cutter shaft pin is arranged below the nut breaking cutter, and the bottom of the breaking cutter shaft pin is in contact with the threaded driving rod.

Preferably, at least one vertical cutting knife positioning sliding groove is formed in the threaded through hole at intervals along the circumferential direction, a guiding edge is formed outside the shaft pin of the cutting knife, and the guiding edge can be clamped in the cutting knife positioning sliding groove.

Preferably, the top end of the inner part of the threaded through hole is provided with a stop block, the bottom of the breaking cutter shaft pin is provided with a stop piece, and the outer part of the breaking cutter shaft pin is sleeved with a spring; the spring is positioned between the stop block and the stop piece to move in a telescopic way.

Preferably, the bottom of the threaded driving rod is provided with a mounting hole, the handle is L-shaped, and one end of the handle can be inserted into the mounting hole.

Preferably, the mounting hole is an inner hexagonal hole, and one end of the handle is of an outer hexagonal structure.

Preferably, the nut breaking cutter is a carbide cutter.

Preferably, the front end of the nut cutting knife is wedge-shaped.

In the technical scheme, the utility model provides a broken cutting tool's of nut working process as follows: firstly, fixing a nut to be pressed in a nut sleeve hole, then enabling a threaded driving rod to move along the internal thread of a threaded through hole by driving a handle until a nut breaking cutter enters the nut sleeve hole from a breaking cutter placing opening, and starting to break and cut the nut by the nut breaking cutter; and continuously driving the handle, rotating the thread driving rod to push the nut breaking cutter to move forwards until the rusted nut is broken, and then reversing the thread driving rod to enable the nut breaking cutter to be far away from the nut, so that the nut can be easily removed. According to the description, the nut breaking and cutting tool has the advantages of being simple in structure, convenient to operate, light in weight, low in cost, time-saving, labor-saving and the like, and can rapidly break and cut off rusted or deformed nuts with stressed outlines without damaging bolts in the using process.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a preferred embodiment of a nut breaking tool provided by the present invention;

FIG. 2-1 is a cross-sectional view of a preferred embodiment of the nut sleeve of FIG. 1;

FIG. 2-2 is an enlarged view of a portion of the nut sleeve of FIG. 1;

FIG. 3-1 is a front view of a preferred embodiment of the nut cracker of FIG. 1;

fig. 3-2 is a perspective view of a preferred embodiment of the nut cracker of fig. 1;

FIG. 4 is a disassembled view of the threaded drive rod and handle of FIG. 1;

fig. 5 is a front view of fig. 1.

Description of the reference numerals

1. Nut sleeve body 2 and nut breaking cutter

3. Screw drive rod 4, handle

5. Nut trepan boring 6, broken cutter place the mouth

7. Breaking cutter positioning chute 8 and breaking cutter shaft pin

9. Spring

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the terms of orientation such as "top, bottom, inner, outer, upper, lower" and the like included in the terms only represent the orientation of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.

The utility model provides a nut breaking and cutting tool, as shown in figure 1, comprising a nut sleeve body 1, a nut breaking cutter 2, a thread driving rod 3 and a handle 4; the nut sleeve body 1 consists of a nut sleeve and a supporting rod, a threaded through hole is formed in the supporting rod along the length direction, and a breaking cutter placing opening 6 at the top of the threaded through hole is communicated with a nut sleeve hole 5 of the nut sleeve; the nut breaking cutter 2 is arranged at one end of the threaded driving rod 3, and the handle 4 is connected to the other end of the threaded driving rod 3; the threaded driving rod 3 can move in the threaded through hole under the driving of the handle 4 so that the nut breaking cutter 2 enters and exits the nut trepan 5; the external thread of the thread driving rod 3 is matched with the internal thread of the thread through hole.

The working process of the nut breaking and cutting tool is as follows: firstly, fixing a nut to be pressed in a nut trepanning 5, then enabling a threaded driving rod 3 to move along the internal thread of a threaded through hole through a driving handle 4 until a nut breaking cutter 2 enters the nut trepanning 5 from a breaking cutter placing opening 6, and at the moment, starting to break the nut by the nut breaking cutter 2; and continuously driving the handle 4, rotating the thread driving rod 3 to push the nut breaking cutter 2 to move forwards until the rusted nut is broken, and then reversing the thread driving rod 3 to enable the nut breaking cutter 2 to be far away from the nut, so that the nut can be easily removed. According to the description, the nut breaking and cutting tool has the advantages of being simple in structure, convenient to operate, light in weight, low in cost, time-saving, labor-saving and the like, and can rapidly break and cut off rusted or deformed nuts with stressed outlines without damaging bolts in the using process.

In the above embodiment, in order to further facilitate the driving of the nut cracking knife 2 and to improve the stability of the nut cracking knife 2, it is preferable that a cracking knife shaft pin 8 is provided below the nut cracking knife 2, and the bottom of the cracking knife shaft pin 8 is in contact with the screw driving rod 3.

In the above embodiment, in order to further facilitate the directional movement of the nut breaking knife 2, it is preferable that at least one vertical breaking knife positioning sliding groove 7 is circumferentially arranged in the threaded through hole at intervals, and a guiding ridge is formed outside the breaking knife shaft pin 8 and can be clamped in the breaking knife positioning sliding groove 7. Therefore, the directional movement of the nut breaking knife 2 can be realized by the matching of the breaking knife positioning chute 7 and the guide edge.

In the above embodiment, in order to allow the nut breaking cutter 2 to be timely reset after the nut is broken, preferably, a stop block is arranged at the top end inside the threaded through hole, a stop block is arranged at the bottom of the breaking cutter shaft pin 8, and a spring 9 is sleeved outside the breaking cutter shaft pin 8; the spring 9 is positioned between the stop block and the stop piece for telescopic movement. Then, after the spring 9 is squeezed by the stopping block and the stopping piece, once the breaking cutter shaft pin 8 moves backwards, the nut breaking cutter 2 can be timely reset under the action of the spring elasticity.

The utility model discloses in, can adopt multiple connected mode between screw drive pole 3, the handle 4, like welding, riveting etc. but in order to be convenient for further the installation between screw drive pole 3, the handle 4 and the storage of whole instrument, preferably, the bottom of screw drive pole 3 is provided with the mounting hole, and handle 4 is the L type, and the one end of handle 4 can inlay and insert to the mounting hole in.

In the above embodiment, the specific structure of the mounting hole and the handle 4 can also be selected in a wide range, but in consideration of the stability of the joint, it is preferable that the mounting hole is a hexagon socket and one end of the handle 4 is a hexagon socket.

The utility model discloses in, the broken cutter 2 of nut's material can be selected at wide within range, but in order to guarantee the broken cutter 2's of nut intensity, preferably, the broken cutter 2 of nut is the carbide cutter.

The utility model discloses in, the shape of nut broken cutter 2 can be selected at the wide within range, but in order to guarantee the urgent dynamics of nut broken cutter 2, preferably, the front end of nut broken cutter 2 is the wedge.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. A nut breaking and cutting tool is characterized by comprising a nut sleeve body (1), a nut breaking and cutting knife (2), a threaded driving rod (3) and a handle (4); the nut sleeve body (1) consists of a nut sleeve and a supporting rod, a threaded through hole is formed in the supporting rod along the length direction, and a breaking cutter placing opening (6) at the top of the threaded through hole is communicated with a nut sleeve hole (5) of the nut sleeve; the nut breaking cutter (2) is arranged at one end of the threaded driving rod (3), and the handle (4) is connected to the other end of the threaded driving rod (3); the threaded driving rod (3) can move in the threaded through hole under the driving of the handle (4) so that the nut breaking cutter (2) can enter and exit the nut trepanning (5); and the external thread of the thread driving rod (3) is matched with the internal thread of the thread through hole.

2. Nut breaking tool according to claim 1, wherein a breaking cutter axle pin (8) is arranged below the nut breaking cutter (2), the bottom of the breaking cutter axle pin (8) being in contact with the threaded drive rod (3).

3. The nut breaking tool according to claim 2, wherein at least one vertical breaking cutter positioning sliding groove (7) is arranged in the threaded through hole at intervals along the circumferential direction, and a guiding ridge is formed on the outer portion of the breaking cutter shaft pin (8), and can be clamped in the breaking cutter positioning sliding groove (7).

4. The nut breaking tool according to claim 2, wherein the inner top end of the threaded through hole is provided with a stop block, the bottom of the breaking cutter shaft pin (8) is provided with a stop block, and the outer part of the breaking cutter shaft pin (8) is sleeved with a spring (9); the spring (9) is positioned between the stop block and the stop piece to move telescopically.

5. The nut breaking tool according to claim 1, wherein a mounting hole is provided at the bottom of the threaded driving rod (3), the handle (4) is L-shaped, and one end of the handle (4) can be inserted into the mounting hole.

6. The nut breaking tool according to claim 5, wherein the mounting hole is a socket head and the handle (4) has an external socket head at one end.

7. Nut breaking tool according to claim 1, wherein the nut breaking knife (2) is a carbide knife.

8. Nut breaking tool according to claim 1, wherein the front end of the nut breaking knife (2) is wedge shaped.