CN212763193U

CN212763193U - Multipurpose spanner

Info

Publication number: CN212763193U
Application number: CN202021232468.0U
Authority: CN
Inventors: 程永胜; 陈兴望; 周新荣; 陈尧; 张星; 朱宏黎; 彭静
Original assignee: Sinopec Sichuan East Gas Pipeline Co Ltd
Current assignee: China Oil and Gas Pipeline Network Corp; National Pipeline Network Group Sichuan to East Natural Gas Pipeline Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-23
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a multipurpose spanner, including the holder, the connecting rod, movable rod and chuck, holder one end is established to first plane, and this first planar one side is equipped with the cross-section and is curved centre gripping groove, connecting rod vertical fixation is in the one end middle part of holder, one side of connecting rod is arranged in to the movable rod parallel, and through the rotatable assembly of connecting piece on the connecting rod, and can rotate to the position that corresponds the centre gripping groove around the connecting rod, the chuck passes through extending structure and connects in the one end that the movable rod is close to the holder, the one end that the chuck is close to the holder is established to the second plane parallel with first plane, the chuck can remove to being close to or keeping away from the holder for the movable rod, and can fix at its optional position of moving trajectory. The advantages are that: structural design is simple, reasonable, operation convenient to use can adapt to the dismouting of multiple screw member, has solved because the damaged screw member of outer hexagonal that external force reason leads to can't dismantle the problem, labour saving and time saving.

Description

Multipurpose spanner

Technical Field

The utility model relates to a spanner instrument, in particular to multipurpose spanner.

Background

As is well known, a wrench is a common installation and removal tool, which is a hand tool that uses the principle of leverage to turn bolts, screws, nuts, and other threaded fasteners that hold open or trepanned fasteners of bolts or nuts. The wrench is typically made of structural steel of carbon or alloy material.

The wrenches are basically divided into two types, namely a dead wrench and a monkey wrench, wherein the dead wrench refers to a wrench with fixed numbers written on, and the monkey wrench refers to an monkey wrench. 1) The solid wrench has one or two ends with fixed size opening for screwing certain size nut or bolt. 2) The double offset ring spanner has two working ends with hexagonal holes or dodecagonal holes at two ends, and is suitable for occasions with narrow working space and where ordinary spanners cannot be used. 3) The dual-purpose wrench has one end identical to that of the single solid wrench and the other end identical to that of the double offset ring spanner, and bolts or nuts of the same specification are screwed at the two ends. 4) The adjustable wrench has the advantages that the opening width can be adjusted within a certain size range, bolts or nuts of different specifications can be screwed, however, the existing wrench can only be used for an external hexagonal threaded part when being detached, but the threaded part with an external hexagonal damaged due to external force cannot be detached.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a multipurpose spanner is provided, the effectual defect of overcoming prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a multipurpose wrench comprises a clamping piece, a connecting rod, a movable rod and a chuck, wherein one end of the clamping piece is set to be a first plane, a clamping groove with an arc-shaped section is formed in one side of the first plane, the connecting rod is perpendicularly fixed in the middle of one end of the clamping piece, the movable rod is arranged on one side of the connecting rod in parallel, is rotatably assembled on the connecting rod through a connecting piece and can rotate around the connecting rod to a position corresponding to the clamping groove, the chuck is connected to one end, close to the clamping piece, of the movable rod through a telescopic structure, one end, close to the clamping piece, of the chuck is set to be a second plane parallel to the first plane, and the chuck can move to be close to or far away from the clamping piece relative to the movable rod and can be fixed at any position of a moving track of the chuck.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the connecting rod is a screw rod, the connecting pieces are at least two nuts which are distributed at intervals and screwed outside the connecting rod, and the movable rod is fixedly connected with the nuts.

Furthermore, one end of the movable rod close to the clamping piece is provided with a threaded blind hole, the telescopic structure is a screw rod screwed in the threaded blind hole, and the chuck is fixedly connected with the tail end of the screw rod.

Furthermore, the inner wall of the clamping groove is provided with a tooth-shaped protruding part which is used for increasing the friction force of the contact with other objects.

Furthermore, the clamping piece is a triangular plate body component, the plane where the bottom edge of the clamping piece is located forms the first plane, and the tip of the clamping piece is provided with a smooth chamfer.

The utility model has the advantages that: structural design is simple, reasonable, operation convenient to use can adapt to the dismouting of multiple screw member, has solved because the damaged screw member of outer hexagonal that external force reason leads to can't dismantle the problem, labour saving and time saving.

Drawings

FIG. 1 is a schematic view of the multi-purpose wrench of the present invention;

FIG. 2 is a schematic view of a clamping member of the multipurpose wrench of the present invention;

fig. 3 is a schematic view of the connection structure between the chuck and the movable rod of the multipurpose wrench of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the clamping device comprises a clamping piece, 2, a connecting rod, 3, a movable rod, 4, a clamping head, 11, a clamping groove, 12, a protruding part, 31, a connecting piece, 41 and a telescopic structure.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1 and 2, the multipurpose wrench of the present embodiment includes a clamping member 1, a connecting rod 2, a movable rod 3 and a collet 4, one end of the clamping member 1 is set to be a first plane, one side of the first plane is provided with a clamping groove 11 having an arc-shaped cross section, the connecting rod 2 is perpendicularly fixed to a middle portion of one end of the clamping member 1, the movable rod 3 is disposed in parallel to one side of the connecting rod 2, is rotatably mounted to the connecting rod 2 through a connecting member 31, and is rotatable around the connecting rod 2 to a position corresponding to the clamping groove 11, the collet 4 is connected to one end of the movable rod 3 close to the clamping member 1 through a telescopic structure, one end of the collet 4 close to the clamping member 1 is set to be a second plane parallel to the first plane, the collet 4 is movable relative to the movable rod 3 to be close to or far away from the clamping member 1, and can be fixed at any position of the moving track.

When the clamping device is used, the movable rod 3 is firstly rotated around the connecting rod 2 according to different options of detaching or screwing the threaded piece according to requirements, so that the movable rod 3 drives the clamping head 4 to move to the position corresponding to one side of the clamping groove 11 and the other side of the clamping piece 1 while rotating. When the threaded part with the outer hexagonal socket head is detached or fixed, the chuck 4 is moved to the position corresponding to the other side of the first plane, then the chuck 4 is adjusted to be close to the first plane through the telescopic structure, the outer hexagonal socket head of the threaded part is tightly attached (namely, the chuck 4 and the first plane clamp the outer hexagonal socket head together), and then the movable rod 3 is pushed, so that the operation of detaching and screwing the threaded part can be completed. When needs are dismantled or are screwed the screw of not possessing outer hexagonal, only need rotate movable rod 3, make movable rod 3 drive chuck 4 and remove to the position that corresponds centre gripping groove 11, repeat above-mentioned step, will not possess between outer hexagonal screw centre gripping and chuck 4 and the centre gripping groove 11, later dismantle can, whole easy operation can adapt to multiple screw, the problem of can't dismantle but the damaged screw of outer hexagonal that has solved because external force reason leads to, time saving and labor saving.

In a preferred embodiment, the link 2 is a screw, the coupling 31 is at least two nuts spaced apart from each other and screwed to the outside of the link 2, and the movable rod 3 is connected and fixed to the nuts.

In this embodiment, the movable rod 3 is connected to the connecting rod 2 through the nut, so that when the movable rod 3 rotates around the connecting rod 2 under the action of external force, the position of the chuck 4 corresponding to the first plane can be adjusted, the distance between the chuck 4 and the first plane can be adjusted, and the operation is very convenient and fast.

As a preferred embodiment, as shown in fig. 3, a blind threaded hole is formed at one end of the movable rod 3 close to the holder 1, the telescopic structure 41 is a screw rod screwed into the blind threaded hole, and the chuck 4 is connected and fixed to the end of the screw rod.

In the embodiment, the screw rod connected with the threaded blind hole is adopted to realize the adjustment of the distance between the chuck 4 and the first plane, the structural design is simple and reasonable, the operation is very quick, and the operation of quickly clamping a threaded piece for subsequent dismounting and pre-tightening is facilitated.

The chuck 4 is a conventional outer hexagon nut, and is welded and fixed with one end of the movable rod 3 close to the clamping piece 1.

It should be noted that: the telescopic structure can also be a rod-shaped component, one end of the movable rod 3 is provided with a cavity matched with the movable rod, one end of the telescopic structure is inserted into the cavity, and the bolt screwed on the periphery of the end part of one end of the movable rod 3 carries out pre-tightening fixing operation on the telescopic structure.

In a preferred embodiment, the inner wall of the holding groove 11 is provided with a corrugated protrusion 12, and the protrusion 12 is used for increasing the friction force between the object and the protrusion 12.

In this embodiment, the protruded portion 12 having a tooth pattern can be closely contacted with the screw member when the chuck 4 is engaged with the screw member to increase the contact area, thereby increasing the friction force, preventing relative slipping, and maintaining good clamping of the screw member without an outer hexagonal head.

It should be added that: the protruding portion 12 has a continuous arc-shaped insection structure and is provided along the inner wall of the holding groove 11.

In a preferred embodiment, the holder 1 is a triangular plate member, the plane of the bottom edge thereof constitutes the first plane, and the tip thereof is provided with a smooth chamfer.

In this embodiment, the holder 1 is simple in design and beautiful in appearance.

Certainly, in order to promote the function of whole spanner, can be at the most advanced design outer hexagonal blind hole of triangular plate body to carry out the dismouting operation to assorted outer hexagonal.

What needs to be supplemented is: the connecting rod 2 and the clamping piece 1 are fixed by welding, and the nut and the movable rod 3 are also fixed by welding, so that the corresponding components are firmly connected.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A multipurpose wrench, characterized in that: comprises a clamping piece (1), a connecting rod (2), a movable rod (3) and a chuck (4), wherein one end of the clamping piece (1) is arranged to be a first plane, a clamping groove (11) with an arc-shaped cross section is formed in one side of the first plane, the connecting rod (2) is vertically fixed in the middle of one end of the clamping piece (1), the movable rod (3) is arranged in one side of the connecting rod (2) in parallel and rotatably assembled on the connecting rod (2) through a connecting piece (31) and can rotate around the connecting rod (2) to a position corresponding to the clamping groove (11), the chuck (4) is connected to one end, close to the clamping piece (1), of the movable rod (3) through a telescopic structure (41), one end, close to the clamping piece (1), of the chuck (4) is arranged to be a second plane parallel to the first plane, the chuck (4) can move to be close to or far away from the clamping piece (1) relative to the movable rod (3), and can be fixed at any position of the moving track.

2. The multipurpose wrench of claim 1, wherein: the connecting rod (2) is a screw rod, the connecting piece (31) is at least two nuts which are distributed at intervals and screwed outside the connecting rod (2), and the movable rod (3) is fixedly connected with the nuts.

3. The multipurpose wrench of claim 1, wherein: one end of the movable rod (3) close to the clamping piece (1) is provided with a threaded blind hole, the telescopic structure is a screw rod screwed in the threaded blind hole, and the chuck (4) is fixedly connected with the tail end of the screw rod.

4. A multipurpose wrench as claimed in any one of claims 1 to 3, in which: the inner wall of the clamping groove (11) is provided with a corrugated protruding part (12), and the protruding part (12) is used for increasing the friction force of the clamping groove in contact with other objects.

5. A multipurpose wrench as claimed in any one of claims 1 to 3, in which: the clamping piece (1) is a triangular plate body component, the plane where the bottom edge of the clamping piece is located forms the first plane, and the tip end of the clamping piece is provided with a smooth chamfer.