CN202462284U - Plug-in type wrench - Google Patents

Abstract

The utility model discloses a plug-in type wrench, comprising a wrench body and a driving head. The wrench body and the driving head can be rapidly dismounted and replaced by virtue of a case hole and a socket which are matched with the wrench body and the driving head. The wrench body is provided with a bolt hole, the central axes of the bolt hole and the case hole crosses with each other, the bolt hole is internally provided with a bolt piece and a spring, the bolt piece is provided with a blocking part and can move between a first position and a second position in a limiting manner along the bolt hole, the spring can provide elastic force for keeping the bolt piece and the blocking part in the first position, one end of the bolt piece is actuated to protrude out of the bolt hole, and the socket side of the driving head is provided with a blocking hole and a cutting groove communicated with the blocking hole. When the socket penetrates into the case hole, the bolt piece can pass through the cutting groove, and the blocking part can be forced to move toward the second position; after the bolt piece enters into the blocking hole, the cutting groove releases the blocking part, the bolt piece and the blocking part return to the first position, and the blocking part is fastened with the blocking hole, thus the driving head can be rapidly placed into the wrench body.

Description

The plug-in spanner

Technical field

The utility model provides a kind of plug-in spanner.

Background technology

Commonly use structure shown in the ratchet spanner of the ratchet head the adjusted angle of No. the 099211703rd, TaiWan, China application, please be referring to Fig. 1, Fig. 2, it comprises:

One wrench body 10; It is formed with a head 12 in shank 11 ora terminalis; These head 12 bottom surfaces are provided with the Connection Block 13 of an ability 360 degree rotations; This Connection Block 13 is coupled to head 12 with an angle adjustment structure (not shown), and head 12 end faces more are provided with a switch 14, make switch 14 must Connection Block 13 be fixed in unspecified angle; This Connection Block 13 is concaved with the casket hole 15 of a rectangular cross section; Casket hole 15 end faces define a upper wall 16A, the bottom surface defines a lower wall 16B; This upper wall 16A then provides the last fish eyelet 17A that intersects with casket hole 15 central axis; Lower wall 16B then is provided with the following fish eyelet 17B corresponding with last fish eyelet 17B; Should go up fish eyelet 17A and down each tight fit of fish eyelet 17B outer end position one baffle ring 17C is arranged, with so that go up the inner upper limit space 17D of formation of fish eyelet 17A, the inner lower limit space 17E of formation of fish eyelet 17B down; Said casket hole 15 end faces are provided with the 18A that leads the way on the pushing and drawing shape corresponding with last fish eyelet 17A, and 15 bottom surfaces, casket hole also are provided with the 18B that leads the way under the pushing and drawing shape corresponding with following fish eyelet 17B;

Bolt spare 20A, the 20B of two shapes symmetry; Its stage casing respectively has radially outstanding shoulder 21; Make the shoulder 21 of a bolt spare 20A be limited in upper limit space 17D; 21 of shoulders as for another bolt spare 20B are limited in lower limit space 17E, make two bolt spare 20A, 20B spacing moving between the primary importance and the second place respectively;

One driving head 30; It is articulated with the output part 32 of an inclined angle-adjustable in an adaptor 31; 32 of this output parts are provided with the joint portion 321 that can clockwise rotate, and are provided with the socket 310 that matees casket hole 15 as for 31 of adaptors, and 310 of sockets vertically provide the up-small and down-big class hole 311 of an internal diameter; These class hole 311 bottom tight fits have a bottom plug 312; In order to a top tip 313 limit mounting in class hole 311, this top tip 313 also receives a spring 314 pushing tows, makes its top have the gesture in outstanding class hole 311 at any time.

Penetrating in 15 processes of casket hole of driving head 30 sockets 310 forwards; Its top tip 313 tops can be led the way that 18A oppresses in proper order in contract; When treating that the top tip 313 is relative with last fish eyelet 17A, just can discharge the top tip 313, make the tip 313 tops in top can be fastened on fish eyelet 17A bottom; So that driving head 30 forwards are assembled in wrench body 10, what more convenient operation joint portion 321 clockwise rotated screws screw lock module.When the top tip 313 fastens fish eyelet 17A bottom; This top tip 313 can promote to move on the bolt spare 20A among the fish eyelet 17A; Make the outstanding fish eyelet 17A of going up of this bolt spare 20A apical margin; So that when pushing this bolt spare 20A apical margin, can remove this forward buckling state, separate this driving head 30 and wrench body 10.

Please cooperate Fig. 3 to see it, when joint portion 321 desire to rotate counterclockwise screw lock module is unscrewed the time, it need only turn over turnback with driving head 30; Make socket 310 oppositely penetrate casket hole 15; Make the tip 313 bottoms in top can receive down to lead the way and contract in 18B oppresses in proper order, when treating that the top tip 313 is relative with following fish eyelet 17B, just can discharge the top tip 313; Make the tip 313 bottoms in top can be fastened on down fish eyelet 17B top, the loosening screw lock module that makes joint portion 321 rotate counterclockwise.Identical reason, in the fish eyelet 17B bottom, the bolt spare 20B that this top tip 313 can promote down among the fish eyelet 17B moves down under the top tip 313 fastens, and makes the outstanding fish eyelet 17B down of this bolt spare 20A root edge, removes this buckling state utilization to provide.

, the technology that plugs of this spanner has following shortcoming at least:

Its wrench body 10 make must through: fish eyelet 17A and time fish eyelet 17B → installation two bolt spare 20A are set, 20B → three road programs such as assembling two baffle ring 17C could be accomplished.As for driving head 30 manufacturing must through: class hole 311 → installation top four road programs such as the tip 313 → mounting spring 314 → tight fit bottom plug 312 grades are set could be accomplished.By being to know, its whole spare part quantity is quite various, and assembly program is quite complicated again, and real difficulty is proposed the growth of economic benefit, and this is that present technology can't break through part.

Please be referring to Fig. 3; When desire releasing driving head 30 oppositely was fastened on the state of wrench body 10, it can't directly visually be positioned at the bolt spare 20B of fish eyelet 17B down, often causes condescending to take this post of rotating spanner body 10 up; Thus, there is the operation inconvenience to exist in fact.

In view of this design people is to think hard the funiculus active research, is engaged in the experience of Related product research and development for many years, and through constantly test and improvement, grinds exhibition the utility model finally.

The utility model content

The purpose of the utility model is to provide a kind of plug-in spanner, and it is simple in structure, and can promote operation convenience.

For reaching above-mentioned purpose, the solution of the utility model is:

A kind of plug-in spanner includes:

One wrench body, it is provided with casket hole and keyhole, and the central axis in this keyhole and casket hole intersects each other;

One has the bolt spare of blocking part, and it can be along keyhole spacing moving between the primary importance and the second place;

One spring, the elastic force that it provides bolt spare and blocking part to remain in primary importance is actuated bolt spare one distal process simultaneously and is gone out keyhole;

One driving head, it has the socket in coupling casket hole, and socket is provided with hole clipping and is communicated with the profile groove of hole clipping; Penetrate in the process of casket hole at socket, profile groove can supply bolt spare to pass through, and can move towards the second place by blocking part forced to move; After treating that bolt spare gets into hole clipping, profile groove just discharges blocking part, so that bolt spare and blocking part involution primary importance; This moment, blocking part just fastened hole clipping, so that driving head is assembled in wrench body.

The rectangular section in described casket hole, and in end face define a upper wall, the bottom surface defines a lower wall, upper wall has more provided keyhole, the keyhole bottom penetrates in the lower wall.

Described keyhole apical margin is provided with the riveting edge in constriction aperture; Bolt spare bottom then has the blocking part, the apical margin that radially extend out and has radially extended out shoulder, makes forming the less necking section of an external diameter between shoulder and the blocking part, and this shoulder is limited by the riveting edge; And the blocking part Lower Half remains in the keyhole of lower wall; Make bolt spare when primary importance, its shoulder then is to be connected to the riveting edge, then can stretch in the casket hole as for the blocking part first half; But when bolt spare during in the second place, its blocking part first half then can shrink in the lower wall keyhole.

Described bolt spare forms the guidance part of flaring under the outer radial at necking section, blocking part handing-over position; Socket vertically provides hole clipping and is communicated with the inside and outside profile groove of this hole clipping, and the external diameter of hole clipping is bigger than blocking part, and the formed Breadth Maximum in profile groove both sides then is less than the hole clipping diameter, and profile groove both sides upper limb and lower edge respectively are arranged with the fillet surface that matees with guidance part; Penetrate in the process of casket hole at socket; Profile groove can supply bolt spare necking section to pass through; And the fillet surface that makes the lower edge both sides can synchronous guidance part forced to move moves down, with so that bolt spare move towards the second place, treat bolt spare necking section entering hole clipping after; Fillet surface just can discharge guidance part, so that bolt spare and blocking part can receive the spring force effect and the involution primary importance.

The formed width in described profile groove both sides is towards the setting of hole clipping direction convergent.

Described bolt spare bottom is concaved with a spring chamber in addition, and spring is installed in this spring chamber and the lower wall keyhole.

Described wrench body further has shank and head; This head bottom surface is provided with the Connection Block of an ability 360 degree rotations; This Connection Block is coupled to head with an angle adjustment structure; And head more is provided with switch, and switch is fixed in unspecified angle with Connection Block, and said casket hole, keyhole are arranged at this Connection Block.

Described driving head has an adaptor in addition, and this adaptor is articulated with the output part of an inclined angle-adjustable, and this output part then is provided with the joint portion that can clockwise rotate, and adaptor is provided with the socket in coupling casket hole.

Described wrench body further has shank and head, and said casket hole, keyhole directly are arranged at this head.　

After adopting said structure, the utility model has following progressive place:

1, the utility model wrench body need only be the labyrinth that instead is commonly used wrench body with a bolt spare and a keyhole.In addition, the utility model driving head need only be processed hole clipping and profile groove, and promptly instead is commonly used the labyrinth of driving head.So the utility model really meets economic principle.

2, the utility model not pipe insert seat be being combined in the casket hole forward or backwards; It all is the outstanding keyholes in bolt spare top; So user's desire is removed the state that driving head is fastened on wrench body; This bolt spare top of pushing that it need only be unified gets final product, and does not commonly use inconvenience place that needs the upset wrench body fully.

Description of drawings

Fig. 1 is a perspective exploded view of commonly using spanner;

Fig. 2 is the generalized section when commonly using spanner and making up in driving head in forward;

Fig. 3 commonly uses spanner in the generalized section of driving head in reverse when combination;

Fig. 4 is the perspective exploded view of the utility model;

Fig. 5 is the schematic top plan view of the utility model driving head;

Fig. 6 is the section decomposing schematic representation of the utility model;

Fig. 7 drives the sketch map that bolt spare moves towards the second place for the utility model profile groove;

Fig. 8 is the combination generalized section of the utility model;

Fig. 9 is the solid combination sketch map of the utility model;

Figure 10 is another embodiment sketch map of the utility model.

[primary clustering symbol description]

Commonly use partly:

10 wrench body, 11 shanks

12 heads, 13 Connection Blocks

14 switches, 15 casket holes

16A upper wall 16B lower wall

Fish eyelet under the last fish eyelet 17B of 17A

17C baffle ring 17D upper limit space

Lead the way on the 17E lower limit space 18A

Lead the way under the 18B 20A, 20B bolt spare

21 shoulders, 30 driving heads

31 adaptors, 310 sockets

311 class holes, 312 bottom plugs

The 313 top tips, 314 springs

32 output parts, 321 joint portions

The utility model part:

40 wrench body, 41 shanks

42 heads, 43 Connection Blocks

44 switches, 45 casket holes

46A upper wall 46B lower wall

47 keyholes, 48 riveting edge

50 bolt spares, 51 blocking parts

52 shoulders, 53 necking sections

Spring chambers 54 55 guidance parts

60 springs, 70 driving heads

71 adaptors, 710 sockets

711 hole clippings, 712 profile grooves

713 fillet surfaces, 72 output parts

721 joint portions.

The specific embodiment

In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.

See also Fig. 4 to Fig. 9, the utility model discloses to be had:

One wrench body 40; It has shank 41 and head 42; These head 42 bottom surfaces are provided with the Connection Block 43 of an ability 360 degree rotations; This Connection Block 43 is coupled to head 42 with an angle adjustment structure (not shown), and head 42 end faces more are provided with switch 44, make switch 44 must Connection Block 43 be fixed in unspecified angle; This Connection Block 43 is concaved with the casket hole 45 of a rectangular cross section; Make casket hole 45 end faces define a upper wall 46A, 45 bottom surfaces, casket hole define a lower wall 46B; Upper wall 46A has more provided a keyhole 47, and makes the central axis in this keyhole 47 and casket hole 45 intersect each other, and keyhole 47 bottoms penetrate lower wall 46B top; With so that keyhole 47 can run through casket hole 45, the riveting edge 48 that stamp out an internal diameter constriction of keyhole 47 apical margins as then can be as shown in Figure 7;

One bolt spare 50; It penetrates in the keyhole 47; The order bottom has the blocking part 51, the apical margin that radially extend out and has radially extended out a shoulder 52; Between shoulder 52 and blocking part 51, form the less necking section 53 of an external diameter, said shoulder 52 can be by 48 restrictions of riveting edge, so that blocking part 51 Lower Halves can remain in the keyhole 47 of lower wall 46B; Can move so that blocking part 51 first halves can be made primary importance in casket hole 45 and lower wall 46B keyhole 47 and the second place is spacing across casket hole 45 with further control bolt spare 50; Make bolt spare 50 when primary importance, its top projects to keyhole 47 tops, and shoulder 52 then is to be connected to riveting edge 48, then can stretch in the casket hole 45 as for blocking part 51 first halves; But when bolt spare 50 during in the second place, its top trims with keyhole 47 tops approximately, then can be contracted to as for blocking part 51 first halves in the keyhole 47 of lower wall 46B; As shown in Figure 7, this bolt spare 50 bottoms are concaved with a spring chamber 54 in addition, and form the guidance part 55 of flaring under the outer radial at necking section 53, blocking part 51 handing-over positions;

One spring 60, it is installed in spring chamber 54 and the lower wall 46B keyhole 47, makes it to provide bolt spare 50 and blocking part 51 to remain in the elastic force of primary importance, to actuate the outstanding keyhole 47 in bolt spare 50 tops;

One driving head 70; It is articulated with the output part 72 of an inclined angle-adjustable in an adaptor 71, and 72 of this output parts are provided with the joint portion 721 that can clockwise rotate, and is provided with the socket 710 in coupling casket hole 45 as for 71 of adaptors; Socket 710 vertically provides hole clipping 711 and is communicated with the inside and outside profile groove 712 of this hole clipping 711; The external diameter of hole clipping 711 is bigger than blocking part 51, and the formed Breadth Maximum in profile groove 712 both sides then is less than hole clipping 711 diameters; And make this width towards hole clipping 711 direction convergents, and these profile groove 712 both sides upper limbs and lower edge respectively are arranged with the fillet surface 713 that matees with guidance part 55.

Penetrate in 45 processes of casket hole at socket 710 forwards, profile groove 712 can supply bolt spare 50 necking sections 53 to pass through, and makes the fillet surface 713 of lower edge both sides move down by synchronous guidance part 55 forced to move; In order to the elastic force that overcomes spring 60 bolt spare 50 is moved towards the second place; After treating that bolt spare 50 necking sections 53 get into hole clipping 711, fillet surface 713 just can discharge guidance part 55, so that bolt spare 50 and blocking part 51 can receive spring 60 elastic force effects and the involution primary importance; At this moment; Blocking part 51 just fastens hole clipping 711, so that driving head 70 forwards are assembled in wrench body 40, what application of force operation joint portion 721 clockwise rotated easily screws screw lock module.At the same time, keyhole 47 is given prominence on this bolt spare 50 tops, so that when the user pushes this bolt spare 50 tops, can remove this forward buckling state, separates this driving head 70 and wrench body 40.

When joint portion 721 desire to rotate counterclockwise screw lock module is unscrewed the time, it need only turn over turnback with driving head 70, makes socket 710 oppositely penetrate casket hole 45; Make profile groove 712 can supply necking section 53 to pass through; And make the fillet surface 713 of lower edge both sides move down by guidance part 55 forced to move, with so that bolt spare 50 move towards the second place, treat bolt spare 50 necking sections 53 entering hole clippings 711 after; Bolt spare 50 and blocking part 51 just can receive spring 60 elastic force effects and the involution primary importance; Make blocking part 51 fasten hole clipping 711,, screw lock module is unscrewed with what easy application of force operation joint portion 721 rotated counterclockwise so that driving head 70 oppositely is assembled in wrench body 40.At the same time, keyhole 47 is given prominence on this bolt spare 50 tops, so that when the user pushes this bolt spare 50 tops, can remove this reverse buckling state, separates this driving head 70 and wrench body 40.

Learn that by above-mentioned structure the utility model has following advantage at least:

1, the utility model wrench body 10 need only be with a bolt spare 50, a keyhole 47, and promptly instead is commonly used fish eyelet and fish eyelet setting once on the two bolt spares, two baffle rings, of wrench body.In addition, the utility model driving head 70 need only be processed hole clipping 711 and profile groove 712, and promptly instead is commonly used class hole, the top tip, spring, the bottom plug setting of driving head.The overall co-ordination of this kind of the utility model can reach the characteristics that structure is significantly simplified, so that significantly saving man-hour and promoting outside the efficient, meets economical principle and novel capabilities according to this.

2, the utility model not pipe insert seat 710 are being combined in the casket hole 45 forward or backwards; It all is the outstanding keyholes 47 in bolt spare 50 tops; So user's desire is removed the state that driving head 70 is fastened on wrench body 40, this bolt spare 50 tops of pushing that it need only be unified get final product, and do not commonly use the problem that needs the upset wrench body fully; So can remove the bad problem of commonly using operation, be that driving head 70 switch operations propose an effective innovative techniques that solves really.

In addition; Please be referring to Figure 10, it further specifies the Connection Block 43 that Fig. 4 discloses, and it is not the utility model necessary condition; And can be with casket hole 45, keyhole 47 direct replacements in head 42 or wrench body 40 appropriate locations, this kind embodiment is the scope that the utility model is contained.

The above person of thought; Be merely the preferred embodiment of the utility model; When can not with the scope implemented of qualification the utility model, the equalization of promptly being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that the utility model contains.

Claims (9)

1. a plug-in spanner is characterized in that, includes:

One wrench body, it is provided with casket hole and keyhole, and the central axis in this keyhole and casket hole intersects each other;

One has blocking part and can be along keyhole spacing mobile bolt spare between the primary importance and the second place;

One provides bolt spare and blocking part to remain in the spring of the elastic force of primary importance;

One driving head, it has the socket in coupling casket hole, and socket is provided with hole clipping and is communicated with the profile groove of hole clipping; Profile groove penetrates at socket and supplies bolt spare to pass through in the process of casket hole, and blocking part forced to move moves towards the second place, and profile groove is treated just to discharge blocking part after bolt spare gets into hole clipping, bolt spare and blocking part involution primary importance, and blocking part just fastens hole clipping, and driving head is assembled in wrench body.

2. plug-in spanner as claimed in claim 1 is characterized in that: the rectangular section in casket hole, in end face define a upper wall, the bottom surface defines a lower wall, upper wall has more provided keyhole, the keyhole bottom penetrates in the lower wall.

3. plug-in spanner as claimed in claim 2 is characterized in that: the keyhole apical margin is provided with the riveting edge in constriction aperture, and bolt spare bottom has the blocking part, the apical margin that radially extend out and radially extended out shoulder; Form the less necking section of an external diameter between shoulder and the blocking part; This shoulder is by the restriction of riveting edge, and the blocking part Lower Half remains in the keyhole of lower wall, and bolt spare is when primary importance; Its shoulder then is to be connected to the riveting edge; The blocking part first half can stretch in the casket hole, and when bolt spare during in the second place, its blocking part first half can shrink in the lower wall keyhole.

4. plug-in spanner as claimed in claim 3 is characterized in that: bolt spare forms the guidance part of flaring under the outer radial at necking section, blocking part handing-over position; Socket vertically provides hole clipping and is communicated with the inside and outside profile groove of this hole clipping, and the external diameter of hole clipping is bigger than blocking part, and the formed Breadth Maximum in profile groove both sides is less than the hole clipping diameter, and profile groove both sides upper limb and lower edge respectively are arranged with the fillet surface with the guidance part coupling; Profile groove penetrates at socket and supplies bolt spare necking section to pass through in the process of casket hole; The synchronous guidance part forced to move of the fillet surface of lower edge both sides moves down; Bolt spare moves towards the second place, and fillet surface is treated to discharge guidance part after bolt spare necking section gets into hole clipping, and bolt spare and blocking part can receive the spring force effect and the involution primary importance.

5. plug-in spanner as claimed in claim 4 is characterized in that: the formed width in profile groove both sides is towards the setting of hole clipping direction convergent.

6. plug-in spanner as claimed in claim 4 is characterized in that: bolt spare bottom is concaved with a spring chamber in addition, and spring is installed in this spring chamber and the lower wall keyhole.

7. like claim 1 or 4 described plug-in spanners; It is characterized in that: wrench body further has shank and head; This head bottom surface is provided with the Connection Block of an ability 360 degree rotations, and Connection Block is coupled to head with an angle adjustment structure, and head is provided with switch; Switch is fixed in unspecified angle with Connection Block, and said casket hole, keyhole are arranged at this Connection Block.

8. like claim 1 or 4 described plug-in spanners, it is characterized in that: driving head has an adaptor in addition, and this adaptor is articulated with the output part of an inclined angle-adjustable, and output part is provided with the joint portion that can clockwise rotate, and adaptor is provided with the socket in coupling casket hole.

9. like claim 1 or 4 described plug-in spanners, it is characterized in that: wrench body further has shank and head, and said casket hole, keyhole directly are arranged at this head.

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