CN203792239U

CN203792239U - Inserting structure of trepanning type ratchet wrench

Info

Publication number: CN203792239U
Application number: CN201420091028.6U
Authority: CN
Inventors: 徐浚财
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-28
Filing date: 2014-02-28
Publication date: 2014-08-27
Anticipated expiration: 2024-02-28

Abstract

The utility model relates to an embedding structure of trepanning ratchet wrench, at the ratchet action head end of wrench body, be equipped with the shallow slot adjacent to the cavity trepanning, this shallow slot central authorities are equipped with the locating bolt hole, supply the switching-over of ratchet subassembly to cut the button and the insertion of locating bolt, wherein, below this switching-over to cut the button, place the shallow slot profile close in appearance and have the embedded part, slot hole and the embedded piece of the portion of pulling first, then near ratchet action head end department of wrench body, cooperate with the closure part and wear to put the lantern ring that has the holding hole, for the elastomer to put into, and the portion of pulling of embedded piece corresponds the end and inserts in this holding hole, and is held by the elastomer top; through the above components, the embedding part of the embedding sheet can protrude into the end edge of the hollow trepanning of the ratchet action head end, and can be firmly embedded in the corresponding annular groove of the external sleeve and the external conversion head, so that the unexpected falling-off phenomenon is avoided.

Description

The flush structure of cover pass ratchet spanner

Technical field

The utility model relates to a kind of flush structure that overlaps pass ratchet spanner, and this structure can be stablized inlay card by external sleeve and external conversion head, makes it that unlikely generation is unexpected to come off situation and affect operation smoothness.

Background technology

" ratchet spanner " specially refers to a kind ofly have ratchet Kong Xiang mechanism to control the professional spanner of application of force driving direction, and so-called " cover pass " ratchet spanner, specially finger is a kind of is designed to a hollow trepanning by ratchet effect head end, for such as external sleeve or external conversion head (as Fig. 6, similar spare part shown in 7) etc. the slotting knot of collocation spare part is used, and the control that can expect to screw workpiece (not being shown in figure) operates to turn.

Certainly, though these existing cover pass ratchet spanneres are early used for many years, also be early that the operator institute degree of depth is familiar with in the use, but, all the time, due to the buckle mode between its external sleeve and external conversion head and hollow trepanning, only by such as the holding or the locking of ring (being located at the inner edge of hollow trepanning) of the decorative pearl on top of an official cap (being located at the side of external sleeve and external conversion head), make can produce combination dynamics to a certain degree between the two and unlikelyly depart from easily; Yet, as everyone knows, when carrying out the operation of the spanner application of force, very likely because of with arround collision or the operator itself of object excessively rock, external sleeve and external conversion head are departed from hollow trepanning because of stressed, and then affect the operation smoothness while constructing, even may cause the loss of external sleeve and external conversion head or pick up difficult situation, thereby cause, be more difficult to the situation of tidying up, be therefore necessary structure of the prior art to be improved.

Utility model content

The purpose of this utility model is to provide a kind of flush structure that overlaps pass ratchet spanner for overcoming the defect of prior art.

For achieving the above object, the utility model is by the following technical solutions:

A flush structure that overlaps pass ratchet spanner, comprising:

Wrench body, its one end is the ratchet effect head end with ratchet assembly, at this ratchet effect head end, is provided with hollow trepanning, in the side adjacent to hollow trepanning, is provided with shallow slot, the central authorities of this shallow slot are provided with location keyhole, for the commutation of ratchet assembly, cut button and the slotting knot of pilot pin;

Dummy slider, its group is established position and is cut under button for being positioned at commutation, and its external form is comparable to shallow slot profile, is flat in this shallow slot, and it has respectively embedding portion, slotted hole and pushes away the portion of pulling;

The collar, coordinates sealed part and corresponding aperture position and is locked on the corresponding screw place of the nearly ratchet effect head end of wrench body, has accommodating hole on it, insert, and the portion corresponding end of pulling that pushes away of dummy slider is also inserted in this accommodating hole, and is held by elastomer for elastomer.

A kind of flush structure that overlaps pass ratchet spanner, the main ratchet effect head end in wrench body, be provided with the shallow slot adjacent to hollow trepanning, these shallow slot central authorities have location keyhole, for the commutation of ratchet assembly, cut button and the slotting knot of pilot pin, this commutation cut button below, first setting is placed with external form and is comparable to shallow slot profile and has embedding portion, slotted hole and push away the dummy slider of the portion of pulling, at the nearly ratchet effect head end of wrench body place, coordinate sealed part and place the collar of tool accommodating hole, for elastomer, insert, and the portion corresponding end of pulling that pushes away of dummy slider is also inserted in this accommodating hole, and held by elastomer, by the composition of above-mentioned member, the embedding portion of its dummy slider can protrude out the hollow sleeve nose end edge that enters ratchet effect head end, and can pass through firmly build-in, in the corresponding circular groove of external sleeve and external conversion head, makes it to be unlikely the unexpected obscission of generation.

The utlity model has following beneficial effect:

The flush structure of the cover pass ratchet spanner that the utility model provides makes the unexpected break-off of unlikely generation between external sleeve and external conversion head and spanner, and effectively maintain the Global Operation smoothness in when construction, can really increase its practical value, make it no longer to become operator's extra puzzlement.

Accompanying drawing explanation

Fig. 1 is the exploded perspective view of the utility model preferred embodiment.

Fig. 2 is combination stereogram embodiment illustrated in fig. 1.

Fig. 3 is combined planar schematic diagram embodiment illustrated in fig. 1.

Fig. 4 is top plan view embodiment illustrated in fig. 3.

Fig. 5 is illustrative view embodiment illustrated in fig. 4.

Fig. 6 is the schematic perspective view of external sleeve.

Fig. 7 is the schematic perspective view of external conversion head.

The specific embodiment

Below in conjunction with drawings and Examples, further illustrate the utility model:

As Figure 1-3, be the assembled embodiment figure of the flush structure of the utility model cover pass ratchet spanner, as seen from the figure, it comprises:

Wrench body 10, its one end is the ratchet effect head end 11 with ratchet assembly 20, correct position at this ratchet effect head end 11 is provided with hollow trepanning 12, in the side adjacent to hollow trepanning 12, be provided with shallow slot 13, and these shallow slot 13 central authorities are provided with location keyhole 14, for the commutation of ratchet assembly 20, cut button 21 and the slotting knot of pilot pin 22;

Dummy slider 30, its group establish position be positioned at commutation cut under button 21, the profile of its external form and shallow slot 13 is close, is flat in this shallow slot 13, it has respectively embedding portion 31, slotted hole 32 and pushes away the portion of pulling 33;

The collar 40, coordinate sealed part 43 and corresponding aperture position 42 and be locked on corresponding screw 15 places of wrench body 10 nearly ratchet effect head ends 11, on the collar 40, there is accommodating hole 41, for elastomer 44, insert, and the portion's of pulling 33 corresponding end that push away of dummy slider 30 are also inserted in this accommodating hole 41, and held by elastomer 44 always.

As Fig. 4, shown in 5, by the composition of above-mentioned member, the embedding portion 31 of its dummy slider 30 can protrude out the ora terminalis of the hollow trepanning 12 that enters ratchet effect head end 11, therefore, when external sleeve 50 inserts behind hollow trepanning 12 places, its firmly build-in in the corresponding circular groove 51 of external sleeve 50, make it the unexpected obscission of unlikely generation, in the time will taking off external sleeve 50, need only push away the effect of the portion of pulling 33 and pass (as shown in Figure 5) to opposite direction by dummy slider 30, just can make the circular groove 51 of the external sleeve 50 of embedding portion 31 disengaging of dummy slider 30, enable to be taken off easily and install replacement, especially, the activity displacement of this dummy slider 30, by not affecting ratchet assembly 20 commutations, cut controlling smoothly of button 21.

Certainly, due to ratchet assembly 20 and commutation thereof, cutting button 21 and pilot pin 22, is existing member, the technical characterictic that not the utility model will comprise, so it will not go into details.

As shown in Figure 6,7, the utility model can be bestowed easy replacement operation for external sleeve 50 or external conversion 60, and this external sleeve 50 and external conversion 60 be also all provided with can with dummy slider 30 embedding portions 31 circular groove 51,61 corresponding and inlay card mutually.

Claims

1. An embedded structure of a socket type ratchet wrench, characterized in that: comprising:

The main body of the wrench, one end of which is a ratchet head with a ratchet assembly, a hollow sleeve hole is provided at the ratchet head end, and a shallow groove is provided on the side adjacent to the hollow sleeve hole. The center of the shallow groove is provided with a positioning Bolt hole, for the reversing cut button and positioning bolt of the ratchet assembly to be inserted;

Insert, its assembly position is located under the reversing cut button, its appearance is similar to the outline of the shallow groove, it is placed flat in the shallow groove, and it has an embedded part, a long hole and a push part;

The collar, matched with the locking parts and corresponding holes, is locked in the corresponding screw hole of the main body of the wrench near the head end of the ratchet, and has accommodating holes on it for the insertion of elastic bodies, and the corresponding end of the push part of the insert is also Inserted in the accommodating hole and supported by the elastic body. the