CN112405629B

CN112405629B - Multipurpose hand tool

Info

Publication number: CN112405629B
Application number: CN202011337903.0A
Authority: CN
Inventors: 王玉皞; 罗雨桑; 容彤; 陈煊邦; 曹凡
Original assignee: Nanchang University
Current assignee: Nanchang University
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-12-28
Anticipated expiration: 2040-11-25
Also published as: CN112405629A

Abstract

The invention provides a multipurpose hand tool, which comprises two elastic arms and two tool heads, wherein one ends of the two elastic arms are connected, the other ends of the two elastic arms are arranged at intervals and are respectively connected with one tool head, at least one tool head is connected with the corresponding elastic arm through a sliding adjusting structure, the sliding adjusting structure comprises at least one sliding groove arranged along the length direction of the vertical elastic arm and a sliding part matched with the sliding groove, the sliding part is connected with the elastic arms and the tool heads, and each tool head is provided with a cutting edge. Above-mentioned multi-purpose hand tool connects instrument head and elastic arm through setting up the slide adjusting structure, with the mobile setting of instrument head, the operator can use the thumb to upwards push away mobilizable instrument head along the spout, makes the instrument head can position control on the elastic arm, lets the instrument head switch into the scissors state from the tweezers state for instrument head collection is cut, tweezers are as an organic whole, and is easy and simple to handle, efficient, has solved among the prior art frequently to trade instrument extension operating time, has increased the technical problem of operational risk.

Description

Multipurpose hand tool

Technical Field

The invention relates to the technical field of surgical medical instruments, in particular to a multipurpose hand tool.

Background

With the development process of medical instruments becoming more scientific, the medical instruments are developed towards the direction of simple operation at present.

In ophthalmic/brain surgery, the operations of dissecting experimental animals, precisely maintaining the experimental animals and the like are often performed under a microscope, and the operations of precisely shearing and clamping are the most common and frequently alternating operations of the above applications.

In the prior art, the scissors and the tweezers are independent tools respectively, and when an operator performs the operation of the scissors and the tweezers, the operator needs to frequently replace the tools, so that the tool replacement by the operator is extremely inconvenient, the operation time is prolonged, and the operation risk is increased.

Disclosure of Invention

Based on this, the invention aims to provide a multipurpose hand tool, which is used for solving the technical problems that the operation time is prolonged and the operation risk is increased due to frequent tool replacement in the prior art.

A multi-purpose hand tool comprises two elastic arms and two tool heads, wherein one ends of the two elastic arms are connected, the other ends of the two elastic arms are arranged at intervals and are respectively connected with one tool head, at least one tool head is connected with the corresponding elastic arm through a sliding adjusting structure, the sliding adjusting structure comprises at least one sliding groove arranged along the direction vertical to the length direction of the elastic arms and a sliding part matched with the sliding groove, the sliding part is connected with the elastic arms and the tool heads, each tool head is gradually reduced from one end close to the elastic arms to the end far away from the elastic arms, and the tool head comprises a tool body and a cutting edge arranged at the edge of one side of the tool body; the sliding piece slides along the sliding groove, so that the cutting edges on the two tool heads are oppositely arranged or arranged in a staggered manner.

Above-mentioned multi-purpose hand tool, through setting up slide adjusting structure connecting tool head and elastic arm, with the mobile setting of tool head, the operator can use the thumb to upwards push away mobilizable tool head along the spout, make the tool head can position control on the elastic arm, let the tool head switch into the scissors state from the tweezers state, make the tool head collection cut, tweezers are as an organic whole, avoid changing tools, and is easy and simple to handle, high efficiency, the technical problem of frequently changing tools among the prior art extension operating time, increase the operational risk has been solved.

Further, the sliding groove is provided with a first end, and when the sliding piece slides to abut against the first end, the cutting edge on the first tool bit is opposite to the cutting edge on the second tool bit.

Further, the spout still is equipped with the second end, the second end with first end is established respectively the relative both ends of spout, work as the slider slide to with when the second end butt, on the first instrument head the cutting edge with on the second instrument head the cutting edge dislocation set.

Further, the tool head comprises a tool body, the cutting edge is arranged at the edge of one side of the tool body, and when the sliding piece slides to abut against the first end, the tool body on the first tool head and the tool body on the second tool head are arranged in a staggered mode.

Further, when the sliding member slides to abut against the second end, the cutter body on the first tool bit is disposed opposite to the cutter body on the second tool bit.

Furthermore, one end of the cutter body is provided with a fixing part, the fixing part is connected with the elastic arm, and the cutting edge is arranged at one end, far away from the elastic arm, of the cutter body.

Further, the elastic arm comprises an elastic arm body and an installation part arranged at one end of the elastic arm body, the sliding groove is arranged on the installation part, and the sliding piece is connected with the fixing part and the installation part.

Drawings

FIG. 1 is a schematic diagram of a multi-purpose hand tool according to an embodiment of the present invention;

FIG. 2 is a schematic view of the multi-purpose hand tool of the present invention in use as a pair of scissors;

FIG. 3 is a schematic cross-sectional view of the tool head of FIG. 2 in use;

FIG. 4 is a schematic structural view of the multi-purpose hand tool of the present invention used as a pair of tweezers;

FIG. 5 is a schematic cross-sectional view of the tool head of FIG. 4 in use;

FIG. 6 is a schematic view of a tool head according to an embodiment of the present invention.

Description of the main element symbols:

the following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 6, a multipurpose hand tool according to an embodiment of the present invention is shown, which includes two elastic arms 100 and two tool bits 200, wherein one end of each of the two elastic arms 100 is connected, the other end is disposed at an interval and is connected to one of the tool bits 200, at least one of the tool bits 200 is connected to the corresponding elastic arm 100 through a sliding adjusting structure, the sliding adjusting structure includes at least one sliding slot 111 disposed along a direction perpendicular to a length direction of the elastic arm 100 and a sliding member engaged with the sliding slot 111, the sliding member connects the elastic arm 100 and the tool bit 200, and each of the tool bits 200 is provided with a blade 230.

In this embodiment, one tool head 200 is connected to the corresponding elastic arm 100 through the sliding adjustment structure, and it should be further described that only one tool head 200 is connected to the corresponding elastic arm 100 through the sliding adjustment structure, and in other embodiments, two tool heads 200 may be connected to the corresponding elastic arms 100 through the sliding adjustment structure.

Further, in the present embodiment, two sliding grooves 111 are provided, and the tool head 200 is slidably connected to the sliding grooves 111 through two sliding members fixed on the tool head 200, so that the tool head 200 and the elastic arm 100 can be adjusted in position.

Referring to fig. 2 and 3, the sliding groove 111 has a first end, and when the sliding member slides to abut against the first end, the blade 230 of the first tool bit is opposite to the blade 230 of the second tool bit.

The tool head 200 comprises a cutter body 210, the cutting edge 230 is arranged at the edge of one side of the cutter body 210, and when the sliding part slides to abut against the first end, the cutter body 210 on the first tool head and the cutter body 210 on the second tool head are arranged in a staggered mode.

As a specific example, when the blade 230 of the first tool bit is opposite to the blade 230 of the second tool bit, the blade 210 of the first tool bit is offset from the blade 210 of the second tool bit, and the multipurpose hand tool can be used as a pair of scissors.

Referring to fig. 4 and 5, the sliding slot 111 further has a second end, the second end and the first end are respectively disposed at two opposite ends of the sliding slot 111, and when the sliding member slides to abut against the second end, the blade 230 on the first tool bit and the blade 230 on the second tool bit are disposed in a staggered manner.

When the slider slides into abutment with the second end, the blade 210 on the first bit is disposed opposite the blade 210 on the second bit.

As a specific example, when the blade 230 of the first tool bit is offset from the blade 230 of the second tool bit, the blade 210 of the first tool bit is opposite to the blade 210 of the second tool bit, and the multipurpose hand tool can be used as a pair of tweezers.

The tool head 200 tapers from the end near the resilient arm 100 to the end away from the resilient arm 100.

In this embodiment, at the end of the tool head 200 away from the end of the elastic arm 100, the tool head 200 is gradually reduced to a pointed shape, so that the multi-purpose hand tool can conveniently clamp a target object when performing a tweezers function; when the multipurpose hand tool performs the function of scissors, the multipurpose hand tool is convenient for cutting a target object in a narrow space.

Referring to fig. 6, a fixing portion 220 is disposed at one end of the cutter body 210, the fixing portion 220 is connected to the elastic arm 100, and the blade 230 is disposed at one end of the cutter body 210 away from the elastic arm 100.

The elastic arm 100 comprises an elastic arm body 120 and an installation part 110 arranged at one end of the elastic arm body 120, the chute 111 is arranged on the installation part 110, and the sliding part is connected with the fixing part 220 and the installation part 110.

In this embodiment, a contact surface between the mounting portion 110 and the fixing portion 220 is lower than an upper surface of the elastic arm body 120, and the contact surface is a plane, so that the fixing of the fixing portion 220 and the mounting portion 110, that is, the connection between the tool bit 200 and the elastic arm 100, is facilitated.

The utility model relates to a multi-purpose hand tool based on movable tool head 200, collect and cut, tweezers as an organic whole. The operator can use the thumb to push up movable tweezers point (instrument head 200) along spout 111, lets the instrument switch over into the scissors state from the tweezers state, and the scissors of being convenient for, tweezers are dual-purpose, avoids changing the instrument, when having reduced the operation risk, has improved work efficiency.

In summary, in the multi-purpose hand tool in the above embodiments of the present invention, the sliding adjustment structure is arranged to connect the tool head and the elastic arm, so that the tool head can be movably arranged, and an operator can use a thumb to push the movable tool head upwards along the sliding slot, so that the tool head can adjust the position on the elastic arm, and the tool head is switched from the state of the tweezers to the state of the scissors, so that the tool head integrates the scissors and the tweezers, thereby avoiding tool replacement, having simple and convenient operation and high efficiency, and solving the technical problems of prolonging the operation time and increasing the operation risk due to frequent tool replacement in the prior art.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A multipurpose hand tool is characterized by comprising two elastic arms and two tool heads, wherein one ends of the two elastic arms are connected, the other ends of the two elastic arms are arranged at intervals and are respectively connected with one tool head, at least one tool head is connected with the corresponding elastic arm through a sliding adjusting structure, the sliding adjusting structure comprises at least one sliding groove arranged along the direction vertical to the length direction of the elastic arms and a sliding part matched with the sliding groove, the sliding part is connected with the elastic arms and the tool heads, each tool head is gradually reduced from one end close to the elastic arms to the end far away from the elastic arms, and the tool head comprises a tool body and a cutting edge arranged at the edge of one side of the tool body; the sliding piece slides along the sliding groove, so that the cutting edges on the two tool heads are oppositely arranged or arranged in a staggered manner.

2. The multi-purpose hand tool of claim 1, wherein the slide slot has a first end, and wherein the cutting edge on the first tool bit is disposed opposite the cutting edge on the second tool bit when the slide is slid into abutment with the first end.

3. The multi-purpose hand tool of claim 2 wherein said slide channel further defines a second end, said second end being disposed at opposite ends of said slide channel from said first end, said cutting edge on said first tool bit being offset from said cutting edge on said second tool bit when said slide member is slid into abutment with said second end.

4. The multipurpose hand tool of claim 3, wherein the tool head includes a blade body, the blade body being disposed at an edge of one side of the blade body, the blade body of the first tool head being offset from the blade body of the second tool head when the slide member is slid into abutment with the first end.

5. The multi-purpose hand tool of claim 4, wherein the blade body on the first tool bit is disposed opposite the blade body on the second tool bit when the slide is slid into abutment with the second end.

6. The multipurpose hand tool according to claim 5, wherein the blade body has a securing portion at one end thereof, the securing portion being connected to the resilient arm, and the blade is disposed at an end of the blade body remote from the resilient arm.

7. The multipurpose hand tool according to claim 6, wherein the resilient arm includes a resilient arm body and a mounting portion provided at one end of the resilient arm body, the slide groove being provided at the mounting portion, and the slide member connecting the fixing portion and the mounting portion.