CN2506399Y

CN2506399Y - Improved bidirection ratchet wrench

Info

Publication number: CN2506399Y
Application number: CN 01266323
Authority: CN
Inventors: 陈卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-02
Filing date: 2001-11-02
Publication date: 2002-08-21
Anticipated expiration: 2011-11-02

Abstract

An improved bidirection ratchet spanner comprises a body with one head end of the body connected with a rod body and the head is provided with a locating hole and a fixed groove; a fixed piece, wherein, one side of the fixed piece is convex arc surface, while the other side is concave arc ratchet, the convex arc surface is provided with a two-fixed groove which takes one flange as the edge, and the middle surface of the fixed piece is a locating groove which is concave-shaped; a handsetting piece, wherein, the handsetting piece is a concave arc in the plate body front edge, while a handsetting head protrudes in the back edge and close to the lower end of the front edge is arranged a handsetting block; a ratchet cylinder which consists of peripheral ring ratchets, wherein, the periphery that is close to the upper edge is provided with a ring wedge groove while the bottom edge of the cylinder is in shape of a step; a retaining ring which is a C-shaped elastic fastener; an elastic element which is an elastic spring used for pushing a steel ball; the steel ball which is a ball body arranged on one end surface of the elastic element; the head end surface of the spanner body has no interference component, thus improving the convenience for use .

Description

Reversible ratcheting tool through improvement

Technical field

The utility model relates to reversible ratcheting tool.

Technical background

The following structure of the general employing of the ratchet spanner of continuing to use at present, as shown in Figure 1, comprising: basic building blocks such as a noumenal seat 1, drive member 2, shifting block 3, steel ball 4, spring 5, cover plate 6, driving lever 7 are formed, wherein the inside of noumenal seat 1 is provided with several tanks and is located in wherein for various members, and drive member 2, shifting block 3, steel ball 4, spring 5 tools are located among the tank of noumenal seat 1, establish this noumenal seat 1 tank with cover plate 6 envelopes, and a driving lever 7 is combined with inner shifting block 3 by the bottom face of noumenal seat 1, make it constitute the assembly model of a ratchet spanner of continuing to use.

Yet, ratchet spanner with above-mentioned constitutive requirements is after assembling is finished, its driving lever 7 is directly to protrude from this pedestal 1 surface, and driving lever 7 is for controlling the important document of alloting the forward and reverse rotation of whole ratchet spanner, the collision because of instrument often makes the driving lever 7 that is revealed in the surface impaired, or easily is infected with greasy dirt when making this ratchet spanner of operation because of being convexly equipped with of driving lever 7;

Moreover, driving lever 7 be convexly set in noumenal seat 1 surface, except that be an impediment to control, and cause the moulded not too attractive in appearance of ratchet spanner, and then influence consumer's desire to purchase, make competitiveness of product low by contrast.

So in view of this this creator relies on practical experience for many years, and concentrated design has successfully been initiated a kind of reversible ratcheting tool through improvement finally after long-term trial-production, research, improvement.

Summary of the invention

Main purpose of the present utility model is: a kind of reversible ratcheting tool through improvement is provided, by at the head end of this wrench body and the ladder place of shaft intersection, offer a slotted eye, ecto-entad connects, communicate with the inner brake groove of head end, make a shifting part stretch out in a slotted eye part, make the ratchet tube be subject to rotation forward or backwards to control the brake swing by brake groove, do not hinder so that the driving end end surfaces is smooth, and then promote the characteristic of effective utilization and surface aesthetic.

Another purpose of the present utility model is: it is amesiality engaging with head end at the shaft of wrench body, the drop face at shaft intersection ladder place is strengthened, and the struck side of shifting part knot is established and is trimmed in a toggle and the ladder place slotted eye, has more novelty so that control the setting of shifting part in the slotted eye surface.

Following reversible ratcheting tool through improvement can be realized first purpose of the present utility model, mainly comprises a wrench body, and it is characterized in that: this body is that a head end is connected with a shaft, and the termination is provided with locating hole and brake groove; Wherein also comprise: a brake, this brake are that a side is convex globoidal, and the another side is the concave arc shape ratchet, and it is two of the boundary groove of pulling that convex globoidal is provided with a flange, and the brake intermediate surface then is one to be the locating slot of concavity; One shifting part, this shifting part is concave arc for place, plate body forward position, is to protrude out a struck side along the place then, nearby then establishes a slide block along the lower end; One ratchet tube, this ratchet tube by around annular ratchet constituted, establish around its place, nearly upper edge and encircle the wedge groove, Di Yanchu is a step; One clasp, this clasp are c-shaped shape snap-on spare; One elastic component, this elastic component are that an elastic spring is in order to push steel ball; One steel ball, this steel ball are the pearl body that places elastic component one end surfaces; This wrench body head end and shaft intersection ladder place establish a slotted eye, this slotted eye then is interconnected with locating hole and brake groove, and after this shifting part links brake and locate in brake groove, the struck side is then stretched out to allot the brake displacement by slotted eye, and phase shape presents the no any assembled component in wrench body head end surface.

Further, above-mentioned reversible ratcheting tool through improvement, its feature also is: its described slotted eye is established a step at wrench body ladder place, and this step be able to be established a toggle and combine with the struck side.

Description of drawings

Fig. 1 is the existing structure decomposing schematic representation.

Fig. 2 is a decomposing schematic representation of the present utility model.

Fig. 3 is stereoscopic figure of the present utility model.

Fig. 4 is plan cross-section of the present utility model and does not have application of force view.

Fig. 5 is the side cross-sectional schematic of the utility model Fig. 4.

Fig. 6 is a PROPEL schematic diagram of the present utility model.

Fig. 7 is the stereoscopic figure of another embodiment of the present utility model.

Fig. 8 is the side sectional view of another embodiment of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is specifically described, as Fig. 2, shown in Figure 3, this reversible ratcheting tool by: members such as a wrench body 10, brake 20, shifting part 30, ratchet tube 40, clasp 50, elastic component 60, steel ball 70 are formed, and the feature important document of each member is as follows:

Wrench body 10, one end is provided with a termination 11, the place, below of this termination 11 then is connected with and forms a shaft 12, and shaft 12 is to constitute ladder place 13 with head end 11 confluces, in the ladder place 13 then with the shaft 12 coaxial slotted eyes 14 that are provided with, wherein, head end 11 centers are provided with a locating hole 15, place, locating hole 15 nearly upper edge is arranged with an annular groove 16, the place, lower edge then is convexly equipped with a loop order 17, then be provided with brake groove 18 between this locating hole 15 and the slotted eye 14, brake groove 18 bottoms are provided with a containing hole 19, and this shaft 12 then runs through head end 11 with the slotted eye 14 at head end 11 ladder places 13 and communicates with brake groove 18;

Brake 20 is an arc block, a side be convex globoidal 21 another sides then for concave arc ratchet 22, be provided with 25 liang of sides of flange 25 flanges in the middle of this convex globoidal 21 and then be formed with two grooves 23 of pulling, adjacent this groove 23 of pulling then is provided with locating slot 24 in brake 20 surfaces;

Shifting part 30 is a laminal lamellar body, and forward position place is a concave arc 31, and the rear end then forms a struck side 32, this nearby the lower end side on edge be convexly equipped with a slide block 33;

Ratchet tube 40, annular on every side ratchet 41 constitutes tubular, and its place, nearly upper edge is arranged with a ring wedge groove 42, and the end, wherein then form arc tooth 44 in the ratchet tube 40 along then forming a step 43;

Clasp 50 is the spring secures rail to sleeper of c-shaped shape;

Elastic component 60 is positioned over the containing hole 19 of brake groove 18 bottoms by wrench body 10 head ends 11, steel ball 70 then places the end face of this elastic component 60, this shifting part 30 is located at the surface of brake 20, and slide block 33 matches with locating slot 24, afterwards, place brake 20 in the brake groove 18 of wrench body 10 head ends 11 together with shifting part 30, the struck side 32 of shifting part 30 protrudes out a part by this slotted eye 14 simultaneously, at last, this clasp 50 is placed in the ring wedge groove 42 of ratchet tube 40, using external force makes it be energy accumulating state, ratchet tube 40 then together with clasp 50 with step 43 and loop order 17 inconsistent inserting in the locating hole 15, clasp 50 promptly reverts to free state from former energy accumulating state, and clasp 50 is arranged between ring wedge groove 42 and the annular groove 16, impels ratchet tube 40 to locate in locating hole 15, as shown in Figure 5, these wrench body 10 head ends 11 places are the protruding surface that is exposed to of no any assembled component, make to control wrench body 10 and have more convenience, and make outward appearance have more novelty.

As Fig. 4 and Fig. 6 no application of force state plane of the present utility model is analysed and observe and the utility model action application of force schematic diagram shown in, this shifting part 30 its concave arc 31 in brake groove 18 is the annular ratchet 41 that props up ratchet tube 40, slide block 33 then places in the locating slot 24 of brake 20, when shifting part 30 exceeds when stirring in slotted eye 14 width with the protruding struck side 32 that is exposed at outside wrench body 10 slotted eyes 14, one slide block 33 drives brake 20 and moves in the brake groove 18 of wrench body 10, this brake 20 then makes the groove 23 of pulling through steel ball 70 surfaces once moving, and take advantage of a situation steel ball 70 is pressed down, when steel ball 70 and another are pulled groove 23 when relative, it is opposed by the elastic force of elastic component 60 steel ball 70 bullets to be pushed away the groove of pulling with this another, and when the wrench body shaft 12 swing application of forces, the concave arc ratchet 22 of brake 20 is promptly nibbled with the annular ratchet 41 of ratchet tube 40 and is incorporated in locating slot 24 1 sides location to force the 40 rotation urging works done of ratchet tube, otherwise, shifting part 30 with struck side 33 when other direction is alloted, 22 conversion locating slots 24 of the concave arc ratchet of brake 20, annular ratchet 41 engagements of opposite side and ratchet tube 40, so, do not present there to be any member on wrench body 10 head ends 11 surfaces, and highlight a struck side 22 on the slotted eye 14 with its head end 11 and shaft 12 ladder places 13, impel controlling of wrench body 10 sensitive more, make spanner reach two-way effect of alloting relatively and improve.

And work as, when wrench body 10 head ends 11 present than large space with shaft 12 ladder places 13, shown in the stereoscopic figure and side sectional view of another embodiment of the present utility model of Fig. 7 and Fig. 8, wherein wrench body 10 head ends 11 are a step 141 with outer the bringing out of the slotted eye 14 at shaft 12 ladder places 13, the shifting part 30 protruding struck sides 32 that are exposed to step 141 places of this slotted eye 14 then turn round 321 in conjunction with one group, use to dial and turn round 321 and combine with the struck side 32 of shifting part 30, make 13 surfaces, ladder place of wrench body 10 more smooth, and then make whole reversible ratcheting tool body 10 surfaces more meet the effect that without hindrance member presents.

Really realized that by above-mentioned detailed description the utility model the head end of wrench body does not have the purpose that any member presents, make overall package more easy, promoted result of use, and before application, do not see that ware has identical effect, as seen it has novelty undoubtedly, and changed the defective of current state really, so the applicant proposes utility application in accordance with the law.

Claims

1. the reversible ratcheting tool through improvement mainly comprises a wrench body, and it is characterized in that: this body is that a head end is connected with a shaft, and the termination is provided with locating hole and brake groove; Wherein also comprise:

One brake, this brake are that a side is convex globoidal, and the another side is the concave arc shape ratchet, and it is two of the boundary groove of pulling that convex globoidal is provided with a flange, and the brake intermediate surface then is one to be the locating slot of concavity;

One shifting part, this shifting part are plate body, and the place, forward position is concave arc, are to protrude out a struck side along the place then, nearby then establish a slide block along the lower end;

One ratchet tube, this ratchet tube by around annular ratchet constituted, establish around its place, nearly upper edge and encircle the wedge groove, Di Yanchu is a step;

One clasp, this clasp are c-shaped shape snap-on spare;

One elastic component, this elastic component are that an elastic spring is in order to push steel ball;

One steel ball, this steel ball are the pearl body that places elastic component one end surfaces;

This wrench body head end and shaft intersection ladder place establish a slotted eye, this slotted eye then is interconnected with locating hole and brake groove, and after this shifting part links brake and locate in brake groove, the struck side is then stretched out to allot the brake displacement by slotted eye, and phase shape presents the no any assembled component in wrench body head end surface.

2. the reversible ratcheting tool through improvement as claimed in claim 1, it is characterized in that: its described slotted eye is established a step at wrench body ladder place, and this step be able to be established a toggle and combine with the struck side.