CN208034537U

CN208034537U - Commutate spanner structure

Info

Publication number: CN208034537U
Application number: CN201820324625.7U
Authority: CN
Inventors: 黄证城
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-09
Filing date: 2018-03-09
Publication date: 2018-11-02
Anticipated expiration: 2028-03-09

Abstract

The utility model discloses a kind of commutation spanner structure, it includes：One 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, can the tug tooth be interlocked by couple axle really, one is formed by axis bolt interlock fulcrum simultaneously, promote the smooth degree of tug tooth displacement start, more allow elastic component that can really stretch in the perforating, avoid the fault condition for deforming or popping up, and then the commutation spanner structure of the utility model is made to have effects that stable operation and increase structure joggled strength, to improve its durability.

Description

Commutate spanner structure

Technical field

The utility model is to refer in particular to a kind of commutation spanner structure about a kind of spanner.

Background technology

A kind of commutation spanner structure in known technology, 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 the second slot room 52 is mutually connected at the first slot room 51, a control is installed with 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 be 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 by the pushing tow of spring 82 to set 83, be controlled by control block 80 To 83 selection of set by the top of ratchet member 70 set on the not homonymy of the first slot room 51, 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 bullet The pushing tow of spring 82, and the sliding of the other end to set 83 presses on the cambered surface 71 of ratchet member 70, when ratchet member 70 is carried out in spanner 50 It pulls and generates vibrations or when control block 80 switches over, the sliding of 83 one end of set should be supported in the cambered surface 71 of ratchet member 70, and is another Lateral friction in the jack 81 of control block 80, is made to be easy to be popped up by jack 81 or generated change with spring 82 to set 83 by one end Shape, and resistance can be formed and reduce its operational stability, and the apparent problem for having 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 be fastened, limits control block 80 and is only capable of carrying out rotation process, be further placed in spring 82 by 51 end of the first slot room In jack 81, and it is arranged this 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 action of installation spring 82, the spring 82 and the small volume to 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, so that it is had 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 sliding of the other end to set 83 presses on the cambered surface 71 of ratchet member 70, it, should in the case of 70 start 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 so that excessively convexedly stretched in outside jack 81 with spring 82 to set 83, the locating effect to set 83 with spring 82 can be reduced.

In view of this, this creator is in the manufacturing development and design experiences of being engaged in Related product for many years, for above-mentioned mesh Mark, is designed in detail after being assessed with discretion, and obtain one eventually has the utility model of practicability really.

Utility model content

The technical problem to be solved by the utility model is to be directed to above-mentioned missing of the existing technology, one kind is provided and is changed To spanner structure.

The utility model provides a kind of commutation spanner structure, it includes：One wrench body, a control piece, one tug tooth with And there is one first work department and one second work department, first work department to be equipped with an installing for a ratchet member, the wrench body Hole and a control hole, communicated between the installation hole and the control hole equipped with an arc pull tooth socket, the control piece have a shank with And a 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 installed with In in arc tug tooth socket, the end face of the tug tooth forms an arc teeth portion to the installation hole, and the other end then faces the control Hole forms 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 By the elastic component as the couple axle is mounted in the perforating, which is located in the installation hole of first work department, The ratchet member outer rim forms a circular tooth part, and engages start with the arc teeth portion of the tug tooth by the circular tooth part, and the ratchet The internal diameter of part 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, which is equipped with one, fixes 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 both 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 a bullet with the couple axle Property part and group enter the control piece when in the perforating of jack-post, making control piece handover operation, can really by couple axle interlock should Tug tooth, while fulcrum is interlocked by axis bolt formation one, the smooth degree of tug tooth displacement start is promoted, more allows elastic component energy certain It stretches in the perforating, avoids the fault condition for deforming or popping up, and then with stable operation and increase structure joggled strength The effect of, 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, you can complete the connecting state of the tug tooth and control piece, effectively simplify the assembling of the wrench body Step, while structure built-up time and human cost are reduced, contribute to the promotion of economic benefit.

Description of the drawings

Fig. 1 is the stereogram of the utility model.

Fig. 2 is the exploded view of the utility model.

Fig. 3 is the plan view of the utility model.

Fig. 4 is the assembled sectional view of the utility model.

Fig. 5 is that the utility model rotates clockwise the schematic diagram to form idle running.

Fig. 6 is that the utility model rotates counterclockwise and interlocks the schematic diagram of ratchet member.

Fig. 7 is the schematic diagram of the switching adjustment control piece in the utility model.

Fig. 8 is that the utility model rotates clockwise and interlocks the schematic diagram of rachet.

The schematic diagram that Fig. 9 is known technology.

Symbol description in attached drawing：

Sign flag in the utility model：

10 wrench bodies；11 first work departments；12 second work departments；13 installation holes；131 fix annular groove；14 controls Drilling；141 limiting slots；142 openings；15 tug tooth sockets；20 control pieces；21 shanks；22 jack-posts；23 perforatings；30 tugs Tooth；31 arc teeth portion；32 imploded arcs slots；321 axis bolts；33 couple axles；331 round head；332 through holes；34 elasticity Part；40 ratchet members；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 control blocks；81 jacks；82 springs；83 support set.

Specific implementation mode

To enable to have a better understanding and awareness to the purpose of this utility model, feature and effect, coordinate below Details are as follows for schema：

First, it please referring to Fig.1, shown in 2, the utility model provides a kind of commutation spanner structure, it includes：One spanner sheet Body 10, a control piece 20, one tug tooth 30 and a ratchet member 40, the wrench body 10 have one first work department 11 and one Second work department 12, first work department 11 are equipped with an installation hole 13 and a control hole 14, the installation hole 13 and the control hole It is communicated between 14 equipped with arc tug tooth socket 15, which is equipped with one and fixes annular groove 131, and 14 upper end of control hole is expanded Equipped with limiting slot 141, which there is an opening 142, the control piece 20 to have a shank 21 and a jack-post 22, should Jack-post 22 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 installed with In in arc tug tooth socket 15, one end is to form an arc teeth portion 31 in face of the installation hole 13, and the other end then faces the control Hole 14 forms an imploded arcs slot 32, which is to connect a couple axle 33,33 front end of couple axle by an axis bolt 321 A round head 331 is formed, which wears for the axis bolt 321 equipped with pass through aperture 332 and connect, and the couple axle 33 also covers There is an elastic component 34, and by the elastic component 34 as the couple axle 33 is mounted in the perforating 23, which is located in In the installation hole 13 of first work department 11, which forms a circular tooth part 41, and by the circular tooth part 41 and is somebody's turn to do The arc teeth portion 31 for tooth 30 of pulling engages start, and the internal diameter of the ratchet member 40 then forms a tooling hole 42, outside the ratchet member 40 Emargination is equipped with 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 to connect a couple axle 33 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 by installation hole 13 in face of the tooth 30 that will pull of control hole 14, 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 face the installation hole 13, finally again by the ratchet member 40 groups enter in the installation hole 13, utilize a C The ratchet member 40 is limited to the installation hole 13 by 44 clip of shape fastener whereby between the limited ring groove 43 and fixed annular groove 131 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 start 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 starts 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, when wrench body 10 rotates clockwise, due to start direction and the bullet of 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, 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 the start direction with the wrench body 10 on the contrary, making the tug tooth 30 that can not be pushed back and arc teeth portion 31 being engaged this really The circular tooth part 41 of ratchet member 40, and then drive the ratchet member 40 to rotate and reach the torsion start of screw lock unit, it is formed pull whereby The driving condition that hand ontology 10 unidirectionally reverses counterclockwise.

Secondly, when which is pulled toward other direction, then please refer to Fig. 7, shown in 8, the tug tooth 30 then via The 20 switching start of control piece and the counter clockwise direction for being resisted against tug tooth socket 15, while passing 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 start 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 start direction is on the contrary, make 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 start 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：(1) 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, can the tug tooth 30 be interlocked by couple axle 33 really, led to simultaneously Cross axis bolt 321 formed one interlock fulcrum, promoted tug 30 displacement start of tooth 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 with stable operation and the work(for increasing structure joggled strength Effect, to improve its durability；(2) the tug tooth 30 is to wear an elastic component 34 via couple axle 33, directly again by even when combination The elastic component 34 is limited in the perforating 23 by moving axis 33, you can completes the connection shape of the tug tooth 30 and control piece 20 State, effectively simplifies the assembling steps of the wrench body 10, while reducing structure built-up time and human cost, contributes to economic effect The promotion of benefit.

The above, only a preferred embodiment of the utility model, it is real when the utility model cannot be limited with this The range applied；That is equivalent changes and modifications made according to the patent scope of the utility model generally, should all still fall within this practicality In the range of new patent is covered.

Claims

1. a kind of commutation spanner structure, which is characterized in that include：

There is one first work department and one second work department, first work department to be equipped with one for one wrench body, the wrench body Installation hole and a control hole are communicated between the installation hole and the control hole equipped with arc tug tooth socket；

There is a shank and a jack-post, the jack-post to be radially provided with the perforating of a scalariform for one control piece, the control piece, and with this Jack-post is mounted in the control hole；

One tug tooth is located in arc tug tooth socket, and the end face of the tug tooth forms an arc teeth portion to 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 start 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 one and fixes 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, and the limiting slot is to limit the shank of the control piece, and the limiting slot has an opening, and in the opening Both sides are respectively equipped with one first stopper and one second stopper.