CN211729050U

CN211729050U - Multifunctional spanner

Info

Publication number: CN211729050U
Application number: CN201921602091.0U
Authority: CN
Inventors: 徐永秋; 韩永光; 魏尚卿
Original assignee: Chongqing City Vocational College
Current assignee: Chongqing City Vocational College
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-10-23
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to the field of mounting and dismounting tools, in particular to a multifunctional wrench, which comprises a wrench head part with a twisting nut, a handle part directly stressed, wherein the wrench head part is rotationally connected with the handle part, the handle part comprises a first handle and a second handle, the front end of the first handle is movably connected with the wrench head part, and the rear end of the first handle is hinged with the front end of the second handle; the other end of the handle part is provided with a screwdriver, and the screwdriver is movably connected with the tail part of the second handle through a telescopic mechanism in the handle at the tail part of the second handle. The utility model discloses a multiple functions can be realized to the spanner structure, realizes the installation or dismantles the multi-functional spanner that different positions and different angles set up the nut, realizes simultaneously that the installation is dismantled the in-process and is perhaps dismantled the installation of screw nail.

Description

Multifunctional spanner

Technical Field

The utility model relates to an installation, extracting tool field, concretely relates to multifunctional spanner.

Background

In life, when a wrench is used for installing and disassembling tools, a lever principle is utilized to screw and rotate a bolt, a screw, a nut or other manual tools for tightly clamping a workpiece through threads. The common spanner is generally provided with an opening or a trepanning for clamping a bolt and a nut at one end or two ends of a handle part, the trepanning spanner can only be suitable for the bolt or the nut with one specification, and the spanner without the clamping spanner has wide application range; however, when the clamping type wrench adjusts the size of the clamping opening to adapt to bolts or nut caps with different specifications, the adjusting device is rusted after long-term use, the adjustment is very laborious, and the adjustment process needs to be compared continuously; resulting in time and labor waste in assembling or disassembling the bolt and the nut by the wrench.

In the utility model patent of application No. CN203062663U, a dual purpose wrench with convertible angles of both open end wrench head and box end wrench head is disclosed, wherein the open end wrench head is connected with a handle through a pin shaft a; the head of the double offset ring spanner is connected with the handle through a pin b.

The utility model discloses an above-mentioned utility model patent has following defect: 1. although the nut can be clamped and screwed by the wrench head and the hand-held handle at a certain angle, when the wrench head and the handle are at a certain angle, the handle is inconvenient to apply force; 2. when the machine is generally disassembled or assembled, a screwdriver is required to assemble or disassemble a small installation fixing connection part, so that parts for assembling or disassembling screws can be added on the wrench.

Therefore, after the head of the existing wrench rotates by a certain angle, the handle exerts force to twist the head of the wrench, and the problem that the wrench cannot be used for installing or disassembling the screw nail is also caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a free rotation handle and the angle of head realize the installation or dismantle different positions and different angles and set up the multi-functional spanner of nut, realize simultaneously that the installation is dismantled the in-process and to the installation or the dismantlement of screw nail.

The utility model aims at realizing the multifunctional wrench, which comprises a wrench head part with a torsion nut, a handle part directly exerting force, a first handle and a second handle, wherein the wrench head part is rotationally connected with the handle part; the handle part is internally provided with a screwdriver which is movably connected with the tail part of the second handle through a telescopic mechanism in the handle at the tail part of the second handle.

The working principle of the utility model lies in that 1, under the normal condition, the bolt is arranged under the surface exposed position of the mechanical device, the size of the head of the wrench is adjusted only by controlling the handle part, the bolt position is accurately positioned, and the handle part is normally rotated to tighten the bolt or disassemble the bolt; 2. when the position of the bolt is provided with an angle or the plane is special, the bolt can be adjusted into the plane which is convenient for people to hold and send a person through rotating the handle part, so that the bolt at the special position can be more conveniently installed or disassembled; 3, through telescopic machanism's elasticity, at the inside telescopic machanism that sets up of multi-functional spanner, guarantee when installation or dismantlement part mechanical structure device, can set up the screwdriver, reduce and carry installation extracting tool.

The utility model discloses an application principle lies in, the utility model discloses mainly use to set up the position at the bolt special, and the angle is special, and the narrow little installation of scope is perhaps dismantled the in-process. Firstly, judging the setting position and the operation space of a bolt, judging whether the head clamping distance of the wrench needs to be adjusted, and further adjusting the head clamping distance of the wrench to be consistent with the bolt; then, the angle between the head part and the handle part of the wrench is adjusted, and the angle at the hinged part of the first handle and the second handle is rotationally adjusted, so that a person rotating the wrench can conveniently hold and rotate to apply force; finally, according to the requirement of mounting or dismounting the mechanical device, the screw driver is extended out through the telescopic mechanism to mount or dismount the screw, so that the carrying and the convenience of a tool for dismounting the mechanical device are achieved.

The utility model discloses a multi-functional spanner beneficial effect does, the utility model discloses a multiple functions can be realized to the spanner structure, realizes the installation or dismantles the multi-functional spanner that different positions and different angles set up the nut, realizes simultaneously that the installation is dismantled the in-process and is perhaps dismantled the installation of screw nail. Through the relation of being connected of spanner head and handle portion to and the relation of being connected of the first handle and the second handle of handle portion, realize the angle to adjusting spanner head and handle portion, and rotate the angle of adjusting the articulated department of first handle and second handle, be convenient for rotate spanner personnel's control and rotate and have an effect. The arrangement of the telescopic mechanism and the screwdriver is convenient for mounting or dismounting connecting pieces such as screws in the mechanical structure, reduces the carrying tools for mounting or dismounting the mechanical structure, and improves the efficiency of mounting and dismounting machinery.

Drawings

FIG. 1 is a schematic view of a multi-functional wrench according to the present invention;

FIG. 2 is a schematic view of the multi-functional wrench after rotating;

FIG. 3 is a schematic perspective view of a part of the retractable mechanism of the multi-functional wrench of the present invention;

wherein: 1. a wrench head; a first handle; 4. a second handle; 5. a chute; 6. pushing and twisting; 7. a sawtooth strip; 8. a screwdriver; 9. a tooth socket.

Detailed Description

The multi-functional wrench of the present invention will be further described with reference to the accompanying drawings and the embodiments.

As shown in fig. 1, 2 and 3, the multifunctional wrench comprises a wrench head 1 with a twist nut and a handle part directly acting on force, wherein the wrench head 1 is rotatably connected with the handle part, the handle part comprises a first handle 3 and a second handle 4, the front end of the first handle 3 is movably connected with the wrench head 1, and the rear end of the first handle 3 is hinged with the front end of the second handle 4; the other end of the handle part is provided with a screwdriver 8, and the screwdriver 8 is movably connected with the tail part of the second handle 4 in the handle at the tail part of the second handle 4 through a telescopic mechanism.

The working principle of the utility model is that 1, under the normal condition, the bolt is arranged under the surface exposed position of the mechanical device, the size of the wrench head part 1 is adjusted only by controlling the handle part, the bolt position is accurately positioned, and the handle part is normally rotated to tighten the bolt or disassemble the bolt; 2. when the position of the bolt is provided with an angle or the plane is special, the bolt can be adjusted into the plane which is convenient for people to hold and send a person through rotating the handle part, so that the bolt at the special position can be more conveniently installed or disassembled; for example, the bolt in a narrow space is mounted or dismounted, the bolt can be rotated by the existing wrench, so that the operation is very inconvenient, if the head part of the wrench, the first handle part and the second handle part are sequentially rotated for 90 degrees to the maximum limit, the bolt in the narrow space can be dismounted or mounted and converted to a space plane which is parallel to the plane of the bolt, and then the bolt in the narrow space can be conveniently and quickly rotated only by rotating the second handle part; 3, through telescopic machanism's elasticity, set up telescopic machanism inside multi-functional spanner, guarantee when installation or dismantlement part mechanical structure device, can set up screwdriver 8, reduce and carry installation extracting tool.

The utility model discloses an application principle lies in, the utility model discloses mainly use to set up the position at the bolt special, and the angle is special, and the narrow little installation of scope is perhaps dismantled the in-process. Firstly, judging the setting position and the size of an operation space of a bolt, judging whether the clamping distance of the wrench head 1 needs to be adjusted, and further adjusting the clamping distance of the wrench head 1 to be consistent with the bolt; then, the angle between the head part 1 of the wrench and the handle part is adjusted, and the angle at the hinged part of the first handle 3 and the second handle 4 is rotationally adjusted, so that a person rotating the wrench can conveniently hold and rotate to apply force; finally, according to the requirement of mounting or dismounting the mechanical device, the screw driver 8 is extended out through the telescopic mechanism to mount or dismount the screw, so that the carrying and the convenience of a tool for dismounting the mechanical device are achieved.

The utility model discloses a multi-functional spanner beneficial effect does, the utility model discloses a multiple functions can be realized to the spanner structure, realizes the installation or dismantles the multi-functional spanner that different positions and different angles set up the nut, realizes simultaneously that the installation is dismantled the in-process and is perhaps dismantled the installation of screw nail. Through the relation of being connected of spanner head 1 and handle portion to and the relation of being connected of first handle 3 and the second handle 4 of handle portion, realize the angle to adjusting spanner head 1 and handle portion, and rotate the angle of adjusting the articulated department of first handle 3 and second handle 4, be convenient for rotate spanner personnel's the control and rotate and have an effect. The arrangement of the telescopic mechanism and the screwdriver 8 is convenient for mounting or dismounting connecting pieces such as screws in the mechanical structure, reduces the carrying tools for mounting or dismounting the mechanical structure, and improves the efficiency of mounting and dismounting the machine.

The telescopic mechanism comprises a sliding groove 5 and a push button 6. The push button 6 and the sliding groove 5 are matched to push the screwdriver 8 to extend out of the tail of the second handle 4 or push the screwdriver 8 to be retracted, so that the screwdriver 8 is prevented from being exposed at the tail end of the wrench under the condition of no use, and the multifunctional use range of the wrench is improved.

The handle surface of the second handle 4 is provided with a sliding groove 5, the joint of the screwdriver 8 and the second handle 4 is provided with a sawtooth strip 7, and two side surfaces inside the second handle 4 are provided with tooth grooves 9 meshed with the sawtooth strip 7 of the screwdriver 8. The design of the sawtooth racks 7 and the tooth grooves 9 is convenient for preventing the relative sliding of the screwdriver 8 and the second handle 4 when the screwdriver 8 twists the screws in the using process, and the use convenience of rotating the screwdriver 8 is influenced.

The tail part of the screwdriver 8 is fixedly connected with the push button 6. The tail of the screwdriver 8 is controlled to realize the quick expansion of the screwdriver 8, and the screw can be mounted or dismounted.

The wrench head 1 is rotationally connected with the front end of the first handle 3, and the range of the rotation angle is less than or equal to 90 degrees. Wrench head and handle portion can anticlockwise or clockwise rotation direction, and when 1 centre gripping bolt of wrench head portion of being convenient for, the convenience of bolt installation or dismantlement is improved to the power of handle portion of being convenient for. The rotation angle is less than or equal to 90 degrees, so that the force application point of the handle part is prevented from being out of a plane, the force application is insufficient, the rotation force of the wrench head part 1 is too small, and the effect of mounting or dismounting the bolt is influenced.

The rear end of the first handle 3 is hinged with the front end of the second handle 4, and the rotation range of the hinged part is less than or equal to 90 degrees. Similarly, the force application point of the first handle 3 is transferred to the second handle 4 again, so that the plane of the wrench head 1 is parallel to the plane of the second handle 4, and the first handle 3 only performs the force transfer, so that the bolt angle range of the wrench handle capable of being mounted or dismounted is wider, and the force application is convenient.

The telescopic mechanism is similar to a telescopic pushing and twisting 6 structure of an art knife, the rotation of the screwdriver 8 is completely not influenced by whether the telescopic structure is fixed or not, and when the screwdriver 8 is used for twisting screws, the screwdriver 8 can not retract into the tail of the wrench when the screwdriver 8 is used by slightly pressing the screwdriver 6 through a thumb. The sawtooth racks 7 and the tooth grooves 9 are designed so that the pushing screws 6 can have certain resistance when being pushed out, and further, when the tail of the hand-held wrench faces downwards, the screwdriver 8 in the tail of the wrench drops, and when the screwdriver 8 in a working state is disassembled or installed with screws, a certain rotation limiting effect can be achieved.

Claims

1. A multifunctional wrench comprises a wrench head part (1) with a torsion nut and a handle part directly stressed, and is characterized in that the wrench head part (1) is rotatably connected with the handle part, the handle part comprises a first handle (3) and a second handle (4), the front end of the first handle (3) is movably connected with the wrench head part (1), and the rear end of the first handle (3) is hinged with the front end of the second handle (4); a screwdriver (8) is arranged in the handle part, and the screwdriver (8) is movably connected with the tail part of the second handle (4) in the handle at the tail part of the second handle through a telescopic mechanism.

2. The multi-function wrench of claim 1, wherein: the telescopic mechanism comprises a sliding chute (5) and a push button (6).

3. The multi-function wrench of claim 2, wherein: a sliding groove (5) is formed in the handle surface of the second handle (4), a sawtooth strip (9) is arranged at the joint of the screwdriver (8) and the second handle (4), and tooth grooves meshed with the sawtooth strip (9) are formed in two side surfaces in the second handle (4).

4. The multi-function wrench of claim 3, wherein: the tail part of the screwdriver (8) is fixedly connected with the push button (6).

5. The multi-function wrench of claim 4, wherein: the wrench head (1) is rotationally connected with the front end of the first handle (3), and the range of the rotation angle is less than or equal to 90 degrees.

6. The multi-function wrench of claim 5, wherein: the rear end of the first handle (3) is hinged with the front end of the second handle (4), and the rotation range of the hinged part is less than or equal to 90 degrees.