CN110238784A

CN110238784A - Commutate spanner structure

Info

Publication number: CN110238784A
Application number: CN201810195398.7A
Authority: CN
Inventors: 黄证城
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-09
Filing date: 2018-03-09
Publication date: 2019-09-17
Anticipated expiration: 2038-03-09
Also published as: CN110238784B

Abstract

The invention discloses a kind of commutation spanner structures, it includes: a wrench body, one control piece, one tug tooth and a ratchet member, the tug tooth is to be tethered to connect a couple axle by an axis by imploded arcs slot, again in the perforating for the jack-post that the couple axle is arranged an elastic component and group enters the control piece, when making control piece handover operation, the tug tooth can be interlocked by couple axle really, one, which is formed, by axis bolt simultaneously interlocks fulcrum, promote the smooth degree of tug tooth displacement actuation, more allow elastic component that can stretch really in the perforating, avoid the fault condition for deforming or popping up, and then so that commutation spanner structure of the invention is had effects that stable operation and increase structure joggled strength, to improve its durability.

Description

Commutate spanner structure

Technical field

The present invention relates to a kind of spanners, refer in particular to a kind of commutation spanner structure.

Background technique

One of known technology commutation spanner structure, please refer to shown in Fig. 9, spanner 50 is assembled with a rotation in one end Turn part 60, and the revolving part 60 can be rotated in 50 end of spanner, pull the work that nut or bolt are locked and unscrewed whereby Industry, the outer rim of the revolving part 60 are provided with a ring gear 61, and 61 side of ring gear correspond to it is ratcheting have a ratchet member 70, and the ratchet Part 70 can be active in the first slot room 51 inside spanner 50, which is formed with one in the other end of ratcheting revolving part 60 Cambered surface 71, in addition the spanner 50 is mutually connected with the second slot room 52 at the first slot room 51, is installed with a control by the second slot room 52 Block 80, and the control block 80 offers a jack 81, and a spring 82 is installed at jack 81, and is arranged in 82 top of spring There is one to support set 83, makes to be contacted at the cambered surface 71 of ratchet member 70 to set 83 by the pushing tow of spring 82, be controlled by control block 80 The top of ratchet member 70 is set to the not ipsilateral of the first slot room 51 to the selection of set 83, can generate unidirectional drive pulls effect.

It sees above-mentioned known technology structure in detail to be not difficult to realize that it has remained a little shortcoming, main cause is summarized as follows:

One, it is folded with spring 82 between the ratchet member 70 and control block 80 and supports set 83, and 83 one end of set should be supported by spring 82 Pushing tow, and the other end sliding for supporting set 83 presses on the cambered surface 71 of ratchet member 70, when ratchet member 70 is pulled in spanner 50 And generation shakes or when control block 80 switches over, and should support 83 one end of set and slide in the cambered surface 71 of ratchet member 70, and the other end By lateral friction in the jack 81 of control block 80, make to be easy to be popped up or be deformed by jack 81 with spring 82 to set 83, and It will form resistance and reduce its operational stability, and obviously have the problem of structural strength deficiency.

Two, the assembling steps of the spanner 50 are that first control block 80 is installed at the second slot room 52, and advanced line control block 80 are fastened, and limitation control block 80 only can be carried out rotation process, are further placed in spring 82 by 51 end of the first slot room In jack 81, and this is arranged in 82 top of spring and supports set 83, it, will not since the opening of the first slot room 51 is towards 60 direction of revolving part The movement of installation spring 82, the spring 82 and the small volume for supporting set 83 are easily carried out, is easy to fall or lose in assembling process The case where mistake, but will further increase it and assemble difficulty, have it and be not easily assembled the missing excessive with component.

Three, it is folded with spring 82 between the ratchet member 70 and control block 80 and supports set 83, and 83 one end of set should be supported by bullet The pushing tow of spring 82, and the other end sliding for supporting set 83 presses on the cambered surface 71 of ratchet member 70, it, should in the case of 70 actuation of ratchet member It stretches to 83 energy biasing springs 82 of set, therefore the activity of ratchet member 70 will be maintained between ratchet member 70 and control block 80 Space excessively convexedly stretches in outside jack 81 so that supporting set 83 with spring 82, can reduce the locating effect to set 83 with spring 82.

In view of this, the present inventor is in the manufacturing development and design experiences of being engaged in Related product for many years, for above-mentioned mesh Mark designs in detail and after scrupulous assessment, obtains one eventually really with the present invention of practicability.

Summary of the invention

Technical problem to be solved by the present invention lies in above-mentioned missing of the existing technology is directed to, a kind of commutate is provided and is pulled Hand structure.

The present invention provides a kind of commutation spanner structure, it includes: a wrench body, a control piece, a tug tooth and one Ratchet member, the wrench body have one first work department and one second work department, first work department be equipped with an installation hole with And a control hole, it communicates between the installation hole and the control hole and pulls tooth socket equipped with an arc, which has a shank and one Jack-post, which is radially provided with the perforating of a scalariform, and is mounted in the control hole with the jack-post, which is located in this Arc is pulled in tooth socket, and one end of the tug tooth forms an arc teeth portion in face of the installation hole, and the other end then faces the control hole shape At an imploded arcs slot, which is to tether to connect a couple axle by an axis, which is also cased with an elastic component, and should Elastic component is mounted in the perforating with the couple axle, which is located in the installation hole of first work department, the spine Gear member outer rim forms a circular tooth part, and engages actuation with the arc teeth portion of the tug tooth by the circular tooth part, and the ratchet member Internal diameter then forms a tooling hole, by above structure, to constitute a kind of commutation spanner structure.

Preferably, the couple axle front end forms a round head, which wears for the axis bolt equipped with pass through aperture and connects.

Preferably, the installation hole inner edge of first work department is equipped with a fixed annular groove, which is recessed with a limit Position annular groove, which is embedded a C-shaped fastener, then is incorporated into the fixation annular groove with the C-shaped fastener, whereby by the ratchet member It is limited in the installation hole.

Preferably, the wrench body expands in the control hole upper end is equipped with limiting slot, to limit the shank of the control piece, and The limiting slot has an opening, and is respectively equipped with one first stopper and one second stopper in the opening two sides.

The effect of compareing prior art:

(1), the tug tooth is to be tethered to connect a couple axle by an axis by imploded arcs slot, then be arranged an elastic component with the couple axle And group enters the control piece in the perforating of jack-post, when making control piece handover operation, can interlock the tug tooth by couple axle really Part, while forming one by axis bolt and interlocking fulcrum, the smooth degree of tug tooth displacement actuation is promoted, more allows elastic component that can stretch really Function in the fault condition in the perforating, avoiding deformation or popping up, and then with stable operation and increase structure joggled strength Effect, to improve its durability.

(2), the tug tooth wears an elastic component via couple axle, and when combination is directly again limited the elastic component by couple axle It is formed in the perforating, the connecting state of the tug tooth and control piece can be completed, effectively simplify the assembling of the wrench body Step, while structure built-up time and human cost are reduced, facilitate the promotion of economic benefit.

Detailed description of the invention

Fig. 1 is perspective view of the invention.

Fig. 2 is exploded view of the invention.

Fig. 3 is plan view of the invention.

Fig. 4 is assembled sectional view of the invention.

Fig. 5 is that the present invention rotates clockwise the schematic diagram to form idle running.

Fig. 6 is the schematic diagram that the present invention rotated counterclockwise and interlocked ratchet member.

Fig. 7 is the schematic diagram of the switching adjustment control piece in the present invention.

Fig. 8 is the schematic diagram that the present invention rotated clockwise and interlocked rachet.

The schematic diagram that Fig. 9 is known technology.

Symbol description in attached drawing:

Sign flag in the present invention:

10 wrench bodies；11 first work departments；12 second work departments；13 installation holes；131 fixed annular grooves；14 control holes； 141 limiting slots；142 openings；15 tug tooth sockets；20 control pieces；21 shanks；22 jack-posts；23 perforatings；30 tug tooth； 31 arc teeth portion；32 imploded arcs slots；321 axis bolts；33 couple axles；331 round head；332 through holes；34 elastic components；40 Ratchet member；41 circular tooth parts；42 tooling holes；43 limited ring grooves；44 C-shaped fasteners；

Sign flag in known technology:

50 spanners；51 first slot rooms；52 second slot rooms；60 revolving parts；61 ring gears；70 ratchet members；71 cambered surfaces；80 controls Clamp dog；81 jacks；82 springs；83 support set.

Specific embodiment

To enable to have a better understanding and awareness to the purpose of the present invention, feature and effect, cooperate schema below Details are as follows:

Firstly, please refer to Fig. 1, shown in 2, the present invention provides a kind of commutation spanner structure, it includes: a wrench body 10, one The tug tooth 30 of control piece 20, one and a ratchet member 40, the wrench body 10 have one first work department 11 and one second work Make portion 12, which is equipped with an installation hole 13 and a control hole 14,14 phases of the installation hole 13 and the control hole Lead to and be equipped with arc tug tooth socket 15, which is equipped with a fixed annular groove 131, and 14 upper end of control hole expansion is equipped with and limits Position slot 141, the limiting slot 141 have an opening 142, which has a shank 21 and a jack-post 22, the jack-post 22 It is radially provided with the perforating 23 of a scalariform, and is mounted in the control hole 14 with the jack-post 22, which is located in the arc Shape is pulled in tooth socket 15, and one end is to form an arc teeth portion 31 in face of the installation hole 13, and the other end then faces 14 shape of control hole At an imploded arcs slot 32, which is that a couple axle 33 is connected by an axis bolt 321, which forms one Round head 331, which wears for the axis bolt 321 equipped with pass through aperture 332 and connects, and the couple axle 33 is also cased with a bullet Property part 34, and by the elastic component 34 as the couple axle 33 is mounted in the perforating 23, the ratchet member 40 be located in this first In the installation hole 13 of work department 11, which forms a circular tooth part 41, and passes through the circular tooth part 41 and the tug tooth 30 arc teeth portion 31 engages actuation, and the internal diameter of the ratchet member 40 then forms a tooling hole 42, and 40 outer rim of ratchet member is recessed There is a limited ring groove 43, which is embedded a C-shaped fastener 44.

The composition of its structure, then please refer to shown in Fig. 2,3,4, the wrench body 10 is respectively by the control hole 14, tug tooth socket 15 and installation hole 13 control piece 20, tug tooth 30 and ratchet member 40 are installed, wherein the control piece 20 is worn with jack-post 22 In the control hole 14, and by the shank 21 be limited to the limiting slot 141 and be pierced by opening 142 outside, the tug tooth 30 it is interior Concave arc slot 32 is that a couple axle 33 is connected with an axis bolt 321, which is to be cased with an elastic component 34, then with the couple axle 33 It is placed in the tug tooth socket 15 in face of the tooth 30 that will pull of control hole 14 by installation hole 13, while by the related elasticity of the couple axle 33 Part 34 is arranged in the control piece 20 and is located in the perforating 23 of jack-post 22, and reaches 33 elasticity of couple axle by elastic component 34 and stretch Contracting, and the arc teeth portion 31 then faces the installation hole 13, finally enters 40 groups of the ratchet member in the installation hole 13 again, utilizes a C The ratchet member 40 is limited to the installation hole 13 whereby between the limited ring groove 43 and fixed annular groove 131 by 44 clip of shape fastener It is interior, to complete a kind of commutation spanner structure.

The state of its structure actual use, continuous to please refer to Fig. 5, shown in 6, which is by the tool of ratchet member 40 Hole 42 engages screw lock unit, and reaches the locking of screw lock unit via the switching actuation of wrench body 10, loosens state, logical first It crosses the control piece 20 and cuts to control and fasten stopper direction between the tug tooth 30 and the ratchet member 40, when tug tooth 30 is via the control piece 20 switching actuations and when being resisted against the clockwise direction of tug tooth socket 15, while it is clockwise by the couple axle 33 and elastic component 34 Direction pushes against the tug tooth 30, the actuation direction and the bullet when wrench body 10 rotates clockwise, due to the wrench body 10 Property part 34 push against direction it is identical, so that the ratchet member 40 is pushed back the tug tooth 30 along 34 direction of elastic component, lead to this The arc teeth portion 31 of tug tooth 30 can not effectively be engaged the circular tooth part 41 of the ratchet member 40, idling conditions be formed, conversely, this is pulled When hand ontology 10 rotates counterclockwise, please refer to shown in Fig. 6, because the couple axle 33 of the tug tooth 30 is by 34 side of pushing and pressing of elastic component To contrary with the actuation of the wrench body 10, make that the tug tooth 30 can not be pushed back and occlusion should really by arc teeth portion 31 The circular tooth part 41 of ratchet member 40, and then drive the ratchet member 40 to rotate and reach the torsion actuation of screw lock unit, it is formed pull whereby The driving condition that hand ontology 10 unidirectionally reverses counterclockwise.

Secondly, when the control piece 20 is pulled toward other direction, then please refer to Fig. 7, shown in 8, the tug tooth 30 then via The 20 switching actuation of control piece and be resisted against tug tooth socket 15 counter clockwise direction, while pass through the couple axle 33 and elastic component 34 The tug tooth 30 counterclockwise is pushed against, when wrench body 10 rotates counterclockwise, due to the actuation direction of the wrench body 10 It is identical as the pushing and pressing direction of elastic component 34, so that the ratchet member 40 is pushed back the tug tooth 30 along 34 direction of elastic component, leads It causes the arc teeth portion 31 of the tug tooth 30 that can not effectively be engaged the circular tooth part 41 of the ratchet member 40, forms idling conditions, conversely, will When the wrench body 10 rotates clockwise, because the couple axle 33 of the tug tooth 30 is pushed against direction and the wrench body by elastic component 34 10 actuation is contrary, makes the tug tooth 30 that can not be pushed back and be engaged arc teeth portion 31 really the ring tooth of the ratchet member 40 Portion 41, and then drive the ratchet member 40 to rotate and reach the torsion actuation of screw lock unit, it is clockwise that wrench body 10 is formed whereby The driving condition unidirectionally reversed.

By means of the structure of above-mentioned specific embodiment, following benefits can be obtained: (one) the tug tooth 30 is by imploded arcs slot 32 A couple axle 33 is connected by an axis bolt 321, then an elastic component 34 is arranged with the couple axle 33 and group enters the control piece 20 in axis In the perforating 23 of column 22, when making 20 handover operation of control piece, the tug tooth 30 can be interlocked by couple axle 33 really, led to simultaneously Cross axis bolt 321 formed one interlock fulcrum, promoted tug tooth 30 be displaced actuation smooth degree, more allow elastic component 34 can stretch really in In the perforating 23, the fault condition for deforming or popping up is avoided, and then the function with stable operation and increase structure joggled strength Effect, to improve its durability；(2) the tug tooth 30 is that an elastic component 34 is worn via couple axle 33, directly again by even when combination The elastic component 34 is limited in the perforating 23 by moving axis 33, and the connection shape of the tug tooth 30 and control piece 20 can be completed State, effectively simplifies the assembling steps of the wrench body 10, while reducing structure built-up time and human cost, facilitates economic effect The promotion of benefit.

The above, a preferred embodiment only of the invention, when cannot be limited the scope of implementation of the present invention with this； I.e. big equivalent changes and modifications made according to the patent scope of the present invention, should still belong to the range covered in the invention patent It is interior.

Claims

1. a kind of commutation spanner structure, characterized by comprising:

One wrench body, the wrench body have one first work department and one second work department, which is equipped with one Installation hole and a control hole are communicated between the installation hole and the control hole equipped with arc tug tooth socket；

One control piece, the control piece have a shank and a jack-post, which is radially provided with the perforating of a scalariform, and with this Jack-post is mounted in the control hole；

One tug tooth is located in arc tug tooth socket, and one end of the tug tooth forms an arc teeth portion in face of the installation hole, separately One end then faces the control hole and forms an imploded arcs slot, which is to tether to connect a couple axle by an axis, the couple axle It is also cased with an elastic component, and by the elastic component as the couple axle is mounted in the perforating；

One ratchet member is located in the installation hole of first work department, which forms a circular tooth part, and passes through the ring Teeth portion engages actuation with the arc teeth portion of the tug tooth, and the internal diameter of the ratchet member then forms a tooling hole.

2. commutation spanner structure according to claim 1, which is characterized in that wherein, which forms a round end Portion, the round head are worn for the axis bolt equipped with pass through aperture and are connect.

3. commutation spanner structure according to claim 1, which is characterized in that wherein, in the installation hole of first work department Edge is equipped with a fixed annular groove, which is recessed with a limited ring groove, which is embedded a C-shaped fastener, then with the C Shape fastener is incorporated into the fixation annular groove, and the ratchet member is limited in the installation hole whereby.

4. commutation spanner structure according to claim 1, which is characterized in that wherein, the wrench body is on the control hole End, which is expanded, is equipped with limiting slot, shank of the limiting slot to limit the control piece, and the limiting slot with an opening, and in the opening Two sides are respectively equipped with one first stopper and one second stopper.