CN203418478U

CN203418478U - Monkey spanner capable of twisting workpiece continuously

Info

Publication number: CN203418478U
Application number: CN201320387238.5U
Authority: CN
Inventors: 林岩明
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-29
Filing date: 2013-06-29
Publication date: 2014-02-05
Anticipated expiration: 2023-06-29

Abstract

The utility model belongs to the technical field of spanners, and relates to a monkey spanner capable of twisting a workpiece continuously. The monkey spanner capable of twisting the workpiece continuously comprises a handle and a workpiece grabbing and connecting part, wherein the workpiece grabbing and connecting part is arranged at one end of the handle, and the size of an opening of the workpiece grabbing and connecting part is adjustable; the workpiece grabbing and connecting part comprises a fixed arm, a movable arm and an adjusting part; a blind hole, parallel to the inner wall face of the fixed arm or the movable arm, is formed in the fixed arm; a blind hole, parallel to the inner wall face of the fixed arm or the movable arm, is formed in the movable arm; an opening of the blind hole in the fixed arm and an opening of the blind hole in the movable arm are opposite in direction; curved surfaces are arranged in the middle of the inner wall face of the fixed arm and in the middle of the inner wall face of the movable arm in a corresponding mode, and the curved surfaces are communicated with the blind holes respectively; a one-way workpiece grabbing component is arranged in each blind hole, wherein the movement of the one-way workpiece grabbing component towards the bottom of the blind hole is limited, the movement of the one-way workpiece grabbing component towards the opening of the blind hole is not limited, and more than three sawteeth are arranged on the outer side face of a main piece, exposed out of the curved surface, of the one-way workpiece grabbing component. The monkey spanner capable of twisting the workpiece continuously has the advantages of being high in speed and efficiency of twisting the workpiece and suitable for continuous twisting of nuts or cylindrical parts with different sizes.

Description

The monkey wrench that can reverse continuously

Technical field

The utility model belongs to spanner technical field, refers in particular to a kind of monkey wrench that can reverse continuously.

Background technology

Existing monkey wrench (also claiming adjustable wrench), the adjustable workpiece of openings of sizes that comprises handle and the setting of handle one end is grabbed the portion of connecing, described workpiece is grabbed the portion of connecing and is comprised fixed arm, lever arm and adjusting portion, adjusting portion drives lever arm along the movement of screw axial by the rotation of a screw rod, can adapt to the nut of twisting different size.Its weak point is: the one, and while twisting nut, need to turn round and once need afterwards spanner to pull down from the nut being reversed, be placed to again on the nut of another angle and twist, sometimes also to readjust the size of opening to adapt to the needs of tightness, successively repeatedly, not only bother, and its efficiency of twisting nut is extremely low; The 2nd, the fixed arm of this monkey wrench and the internal face of lever arm are plane, can only twist nut or object that similar hexagonal (hexagon)nut etc. has corner angle, for the pipe fitting of cylinder, owing to skidding, can not twist.

Utility model content

The purpose of this utility model be to provide a kind of twist speed soon, also can twist the monkey wrench that can reverse continuously of the elements such as pipe fitting of the outer surface of cylinder.

The purpose of this utility model is achieved in that

The monkey wrench that can reverse continuously, the adjustable workpiece of openings of sizes that comprises handle and the setting of handle one end is grabbed the portion of connecing, described workpiece is grabbed the portion of connecing and is comprised fixed arm, lever arm and adjusting portion, the internal face that is all parallel to fixed arm or lever arm on described fixed arm and lever arm is provided with blind hole, the opening direction of the blind hole on fixed arm and lever arm is contrary, the middle part correspondence of the internal face of fixed arm and lever arm is provided with arcwall face, described arcwall face is communicated with described blind hole respectively, in each blind hole, be provided with and move spacing to the bottom direction of blind hole, opening direction to blind hole moves the not spacing unidirectional part assembly of grabbing, on the lateral surface of the unidirectional main part of grabbing part assembly that exposes arcwall face, be provided with three above sawtooth.

Above-mentioned unidirectional concrete structure of grabbing part assembly is: on a side of the main part of cylindricality, be provided with three above sawtooth, on the another side of the main part relative with sawtooth, be provided with the open slot that connects an end face, in open slot, be provided with spring, the main part that spring is installed inserts respectively in the blind hole of fixed arm and lever arm, and make a serrate side towards the arcwall face side of fixed arm or lever arm, the perforation end of open slot is towards the open side of blind hole, the arranged outside of fixed arm and lever arm has screwed hole vertical and perforation blind hole, the screw rod spinning on screwed hole inserts in open slot and props up the outer end of spring.

The outer end of above-mentioned spring is provided with the spring base of T font, and described screw rod gear is connected on described spring base.

Above-mentioned sawtooth is arranged on the inclined-plane of main part one side.

Groove between first and second sawtooth on above-mentioned inclined-plane is with respect to the groove depth between second above adjacent sawtooth and wide, more than second oblique direction away from first sawtooth of sawtooth.

Sawtooth on above-mentioned main part has five.

Above-mentioned fixed arm is contrary with the sensing of sawtooth on main part on lever arm.

The other end of above-mentioned handle is provided with single head double offset ring spanner.

On above-mentioned handle, be set with anti-skidding plastic sheath.

The utility model compared to existing technology outstanding and useful technique effect is:

When 1, the utility model is twisted nut, only spanner need to be arranged on the nut or pipe fitting being reversed, the handle of reciprocally swinging spanner can be unscrewed the nut being reversed or pipe fitting or tighten, and speed is fast, efficiency is high.

2, stretch out on the arcwall face of fixed arm of the present utility model and lever arm inwall three above sawtooth not only can be twisted nut or the object that similar hexagonal (hexagon)nut etc. has corner angle, can also twist the original papers such as pipe fitting of cylinder, one-object-many-purposes.

3, the utility model is applicable to reverse continuously the nut of different size or the monkey wrench of column.

Accompanying drawing explanation

Fig. 1 is schematic perspective view of the present utility model.

Fig. 2 is the partial enlarged drawing that workpiece of the present utility model is grabbed the portion of connecing.

Fig. 3 is the local amplification view that workpiece of the present utility model is grabbed the portion of connecing.

Fig. 4 is the schematic perspective view that the utility model is arranged on the main part on lever arm.

Fig. 5 is the schematic perspective view that the utility model is arranged on the main part on fixed arm.

The specific embodiment

Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 1-Fig. 5:

The monkey wrench that can reverse continuously, the adjustable workpiece of openings of sizes that comprises handle 10 and handle 10 one end settings is grabbed the portion of connecing, described workpiece is grabbed the portion of connecing and is comprised fixed arm 14, lever arm 15 and adjusting portion, the internal face that is all parallel to fixed arm 14 or lever arm 15 on described fixed arm 14 and lever arm 15 is provided with blind hole 17, the opening direction of the blind hole 17 on fixed arm 14 and lever arm 15 is contrary, the middle part correspondence of the internal face of fixed arm 14 and lever arm 15 is provided with arcwall face 19, 18, described arcwall face 19, 18 are communicated with described blind hole 17 respectively, in each blind hole 17, be provided with and move spacing to the bottom direction of blind hole 17, opening direction to blind hole 17 moves the not spacing unidirectional part assembly of grabbing, expose arcwall face 19, 18 unidirectional main part 20 of grabbing part assembly, on 30 lateral surface, be provided with three above

sawtooth

21, 31.

Above-mentioned unidirectional concrete structure of grabbing part assembly is: the main part 20 of cylindricality, on a side of 30, be provided with three above

sawtooth

21, 31, with

sawtooth

21, 31 relative main parts 20, on 30 another side, be provided with the open slot 25 that connects an end face, 35, open slot 25, in 35, be provided with spring 40, the main part 20 of spring 40 is installed, 30 insert respectively in the blind hole 17 of fixed arm 14 and lever arm 15, and made sawtooth 21, a side of 31 is towards the arcwall face 18 of fixed arm 14 or lever arm 15, 19 sides,

open slot

25, 35

perforation end

26, 36 open side towards blind hole 17, the arranged outside of fixed arm 14 and lever arm 15 has screwed hole 16 vertical and perforation blind hole 17, the screw rod 50 spinning on screwed hole 16 inserts open slot 25, in 35 and prop up the outer end of spring 40.

The outer end of above-mentioned spring 40 is provided with the spring base 60 of T font, described screw rod 50 gears are connected on described spring base 60, when

main part

20,30 is outwards moved, Compress Spring 40, after external force disappears, under the effect of spring 40,

main part

20,30 is reset to the bottom that holds out against blind hole 17, and spring base 60 is motionless with respect to fixed arm 14 with screw rod 50.

Above-mentioned

sawtooth

21,31 is arranged on the inclined-plane of

main part

20,30 1 sides.

Between first and

second sawtooth

22 and 23 on above-mentioned inclined-plane and the groove between 32 and 33 24,34 with respect to the groove depth between second above

adjacent sawtooth

21,31 and wide, second above oblique direction away from

first sawtooth

22,32 of sawtooth, referring to the direction of arrow in Fig. 3.

Sawtooth 21,31 on above-mentioned

main part

20,30 has respectively five.

Above-mentioned fixed arm 14 is contrary with the sensing of sawtooth 21 on

main part

20,30 on

lever arm

15 and 31, referring to the direction of arrow in Fig. 3.

The other end of above-mentioned handle 10 is provided with single head double offset ring spanner 12.

On above-mentioned handle 10, be set with anti-skidding plastic sheath 11.

Use of the present utility model: when adjusting the screw rod 13 of adjusting portion of the present utility model, fixed arm 14 is relative to lever arm 15 clamping nut or columniform rod member or the pipe fitting being reversed, forward rotation handle, main part 20, sawtooth 22 on 30, 32 bite after the nut or columniform rod member or pipe fitting being reversed, firmly forward is moved handle rotation of the present utility model, the nut being reversed or columniform rod member or pipe fitting can be unscrewed or tightened, turning to can not be after turning handle 10, turning handle 10 in the opposite direction,

main part

20, 30 Compress Springs 40 outwards move, forward is moved handle rotation of the present utility model again, by continuing, unscrew or tighten nut or columniform rod member or the pipe fitting being reversed, the reciprocal handle of moving wrench successively, can be rapidly the nut being reversed or columniform rod member or pipe fitting be unscrewed or are tightened.

Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.

Claims

1. the monkey wrench that can reverse continuously, the adjustable workpiece of openings of sizes that comprises handle and the setting of handle one end is grabbed the portion of connecing, described workpiece is grabbed the portion of connecing and is comprised fixed arm, lever arm and adjusting portion, it is characterized in that: the internal face that is all parallel to fixed arm or lever arm on described fixed arm and lever arm is provided with blind hole, the opening direction of the blind hole on fixed arm and lever arm is contrary, the middle part correspondence of the internal face of fixed arm and lever arm is provided with arcwall face, described arcwall face is communicated with described blind hole respectively, in each blind hole, be provided with and move spacing to the bottom direction of blind hole, opening direction to blind hole moves the not spacing unidirectional part assembly of grabbing, on the lateral surface of the unidirectional main part of grabbing part assembly that exposes arcwall face, be provided with three above sawtooth.

2. the monkey wrench that can reverse continuously according to claim 1, it is characterized in that: described unidirectional concrete structure of grabbing part assembly is: on a side of the main part of cylindricality, be provided with three above sawtooth, on the another side of the main part relative with sawtooth, be provided with the open slot that connects an end face, in open slot, be provided with spring, the main part that spring is installed inserts respectively in the blind hole of fixed arm and lever arm, and make a serrate side towards the arcwall face side of fixed arm or lever arm, the perforation end of open slot is towards the open side of blind hole, the arranged outside of fixed arm and lever arm has screwed hole vertical and perforation blind hole, the screw rod spinning on screwed hole inserts in open slot and props up the outer end of spring.

3. the monkey wrench that can reverse continuously according to claim 2, is characterized in that: the outer end of described spring is provided with the spring base of T font, and described screw rod gear is connected on described spring base.

4. the monkey wrench that can reverse continuously according to claim 2, is characterized in that: described sawtooth is arranged on the inclined-plane of main part one side.

5. the monkey wrench that can reverse continuously according to claim 4, it is characterized in that: the groove between first and second sawtooth on described inclined-plane is with respect to the groove depth between second above adjacent sawtooth and wide, more than second oblique direction away from first sawtooth of sawtooth.

6. the monkey wrench that can reverse continuously according to claim 1, is characterized in that: the sawtooth on described main part has five.

7. the monkey wrench that can reverse continuously according to claim 1, is characterized in that: described fixed arm is contrary with the sensing of sawtooth on main part on lever arm.

8. according to the monkey wrench that can reverse continuously described in claim 1-7 any one, it is characterized in that: the other end of described handle is provided with single head double offset ring spanner.

9. according to the monkey wrench that can reverse continuously described in claim 1-7 any one, it is characterized in that: on described handle, be set with anti-skidding plastic sheath.