CN2838861Y

CN2838861Y - Ratchet spanner holding positioning structure

Info

Publication number: CN2838861Y
Application number: CN 200520063476
Authority: CN
Inventors: 李逸民
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-17
Filing date: 2005-08-17
Publication date: 2006-11-22
Anticipated expiration: 2015-08-17

Abstract

The utility model discloses a clamping positioning structure for ratchet spanners, particularly a clamping positioning structure which has the advantages of easy operation and fluent action. In the utility model, the head and the top surface of a handle rod is covered by a sealing cover of which the inner part forms two mutually parallel channels by blocking pieces and is also provided with an annular clamping piece which glides corresponding to the channels; the inner part of the clamping piece forms a relief groove with larger diameter; the front edge of the relief groove is convexly extended with a clamping part; the clamping piece supports a cambered reed between the blocking pieces of the sealing cover; the clamping piece can cause the clamping part to be frequently kept in a state for inserting and clamping sleeve barrels and to automatically reset after actions. The design easy is easy of the clamping and the separating of sleeve barrel, because the utility model simultaneously can uniformly glide, thereby, the utility model can increase the easement of actions and lengthen the service life.

Description

The blocking locating structure of ratchet spanner

Technical field

The utility model relates to a kind of technical field of ratchet spanner, refers to a kind of blocking locating structure for clip and release sleeve especially.

Background technology

Ratchet spanner is a kind of hand-held tool of available different go to actions, it cooperates the sleeve of different size to loosen or lock nut or bolt, make it in the process of operation, can unidirectional clip and the idle running characteristic of returning, exempt conventional spanner constantly release sleeve and workpiece, and puzzlement of position, school again in the rotational action process, so applied on the Wrench widely at present.And sleeve mainly is intercalated in the ratchet device of ratchet spanner, it mainly utilizes polygonal insert opening and the polygonal outer rim of sleeve to come mutual fit, because general working face is horizontal, therefore drop for fear of sleeve, general equal one-handed performance spanner, another hand rest are lived sleeve and are rotated, and cause operational inconvenience.

In order to solve the problem of sleeve location, present most ratchet spanner mostly adopts the location structure of being made up of positioning ball and spring to overcome, because it mainly utilizes the restoring force of spring to reach the purpose of clip and disengaging, when the coefficient of elasticity of spring too hour, its clip poor effect, and when coefficient of elasticity is too big, then in operation, need powerful drawing or press sleeve, not only very effort, inconvenience in operation, and after long-term the use, the draw-in groove of positioning ball and sleeve can wear and tear, and has influence on its service life.

For this reason, the applicant once created a kind of clamping location structure of ratchet spanner, it as shown in Figure 6, this clamping and positioning device 70 breaks away in ratchet lever 50 corresponding ratchet devices 55 1 and is provided with a pushing piece 71,50 of pushing piece 71 and ratchet levers are shored a spring leaf 72, reset after action for pushing piece 71, and pushing piece 71 tops are provided with a clip 75 that stretches into ratchet device 55 openings 56, clip 75 can corresponding sleeve 60 endless groove 65 produce the action of clips and disengaging, so when the user passes pushing piece 71 forward, can allow clip 75 separate with the endless groove 65 of sleeve 60, sleeve 60 can be broken away from ratchet device 55, otherwise when pushing piece 71 drive clips 75 resetted backward, clip 75 can be embedded in sleeve 60 in the opening 56 of ratchet device 55, thereby reaches easy operating and labour-saving purpose.

Detailed sight, above-mentioned design is owing to have splendid operability, therefore liked by the consumer, but this creates and be monolateral slip and clip, and its pushing piece need be located at one-sided, so can have influence on the smoothness of action, pushing piece is positioned at a side of ratchet lever simultaneously, during the operation of user's desire, needs finger migration pushing piece, form operational having some setbacks, thereby the space of further improvement is arranged.

The utility model content

The purpose of this utility model is to provide a kind of blocking locating structure of ratchet spanner, and it can reach easy operating and move purpose smoothly.

For achieving the above object, technical solution of the present utility model is: a kind of blocking locating structure of ratchet spanner, this ratchet spanner is provided with a ratchet device for the intercalation sleeve in handle bar one termination portion, but and head top surface be provided with the blocking locating structure of an inlay card sleeve periphery blocking annular groove; This blocking locating structure is covered with a capping in the end face of head, be formed with the open-work that a corresponding head ratchet device sleeve passes the hole in the capping, the capping inner face is striden in the open-work periphery and is provided with a catch again, is formed with the conduit that is parallel to each other between the two side of capping and catch respectively; Moreover this is covered in and is slidingly equipped with a clip that can reset backward between inner face and head top surface, be formed with a release groove that is slightly larger than sleeve outer diameter between this clip, and clip forms the guide card of corresponding conduit in the release groove both sides, clip has protruded out a fastening part in the release groove leading edge again, and this fastening part is with respect to the blocking annular groove of clip sleeve.

The head utilization locking bolt of this handle bar upwards is locked in end face with capping by the containing hole inwall.

This clip rear end utilization locking bolt lock is provided with one and is convenient to the push jack that the user promotes.

Shoring between the release groove bottom of this clip and capping catch has an arcuation reed that can make clip reset backward automatically, and the central point of this reed peaks at the catch trailing edge, and the reed two-end-point stays on two ends, release groove inner edge rear.

After adopting such scheme, the utility model is by the particular design of relative sleeve both sides periphery action, not only can be easy to Clip for sleeve or disengaging that the user operates ratchet spanner, can evenly slide owing to it simultaneously, and can promote smoothness and the convenience of operating, have the effect that prolongs its service life, and then can promote its economic benefit.

Description of drawings

Fig. 1 is a perspective exploded view of the present utility model, and it shows the aspect and the relativeness thereof of the utility model constitutive requirements;

Fig. 2 is a three-dimensional appearance schematic diagram of the present utility model, and it discloses state and utilization thereof after the utility model is formed;

Fig. 3 is a local section schematic diagram of the present utility model, in order to explanation the utility model clip button the pull aspect and the relevant position thereof of sleeve;

Fig. 3 A is the partial enlarged drawing of Fig. 3;

Fig. 4 is another local section schematic diagram of the present utility model, further specifies state and corresponding relation thereof that the utility model clip separates with sleeve;

Fig. 4 A is the partial enlarged drawing of Fig. 4;

The action schematic diagram that when Fig. 5 is the utility model practice sleeve is taken off;

Fig. 6 is the generalized section of habit formula clamping location structure.

The primary clustering symbol description

10 handle bars, 11 heads, 12 containing holes

13 pivot grooves, 14 shifting blocks, 15 ratchets

16 sour jujube pieces, 17 C types are buckled 20 blocking locating structures

21 cappings, 22 open-works, 23 catch

24 conduits, 25 locking bolts, 26 clips

260 release grooves, 261 guide cards, 262 fastening parts

27 push jacks, 28 locking bolts, 29 reeds

30 sleeves, 35 blocking annular grooves, 50 ratchet levers

55 ratchet devices, 56 openings, 60 sleeves

65 endless grooves, 70 clamping and positioning devices, 71 pushing pieces

72 spring leafs, 75 clips

The specific embodiment

The blocking locating structure of a kind of ratchet spanner of the utility model, as Fig. 1, shown in 2, this ratchet spanner is provided with a ratchet device in handle bar 10 1 termination portions 11, this ratchet device is formed with the containing hole 12 and pivot groove 13 that is interconnected at head 11, be pivoted with a shifting block 14 in its maincenter groove 13, be installed with a ratchet 15 for intercalation sleeve 30 and utilize the C type to buckle 17 in the containing

hole

12, and 14 of ratchet 15 and shifting blocks are provided with sour jujube piece 16, make shifting block 14 can see through the clip direction of action that sour jujube piece 16 is controlled ratchet 15, moreover but head 11 end faces are provided with the blocking locating structure 20 of an inlay card sleeve 30 periphery blocking annular grooves 35, above-described structure is same as the prior art, and non-feature of the present utility model place, appearance repeats no more.

And about the detailed formation of the utility model feature structure, then please be simultaneously referring to Fig. 1,2 and shown in Figure 3, this blocking locating structure 20 is covered with a capping 21 in the end face of handle bar 10 heads 11, be formed with the open-work 22 that corresponding head 11 ratchet device sleeves 30 pass the hole in the capping 21, capping 21 inner faces are striden in open-work 22 peripheries and are provided with a U-shaped catch 23 again, make between capping 21 two sides and catch 23 two sides being formed with the conduit 24 that is parallel to each other respectively, and can utilize locking bolt 25 upwards capping 21 to be locked in head 11 end faces by containing hole 12 inwalls;

Moreover capping 21 is slidingly equipped with a clip 26 between inner face and head 11 end faces, 26 of this clips are formed with a release groove 260 that is slightly larger than sleeve 30 external diameters, allow release groove 260 turnover of clip 26 relatively of sleeve 30 tops, and clip 26 forms the guide card 261 of corresponding capping 21 conduits 24 in release groove 260 both sides, clip 26 is slided sleeve 30 both sides relatively, to promote the smooth degree of its slip, and clip 26 has protruded out a fastening part 262 in release groove 260 leading edges, this fastening part 262 can be at clip 26 backward during displacement, clip is in the blocking annular groove 35 of sleeve 30, clip 26 rear ends utilize locking bolt 28 locks to be provided with a push jack 27 again, so that the user promotes, and release groove 260 bottoms of

clip

26 and 23 of capping 21 catch are shored an arcuation reed 29 are arranged, the central point of reed 29 peaks at catch 23 trailing edges, and reed 29 two-end-points stay on two ends, release groove 260 inner edge rear, make clip 26 reset backward automatically, are blocking shape (as shown in Figure 3A);

Whereby, group formation one is easy to the application of force and the operation and the blocking locating structure structure of ratchet spanner smoothly of moving.

As for practice of the present utility model, then as Fig. 3,4, shown in 5, when sleeve 30 is desired to be interspersed in the ratchet device, push jack 27 with blocking locating structure 20 promotes forward earlier, and drive clip 26 displacement forward (shown in Fig. 4 A), make its release groove 260 corresponding ratchet device openings, again sleeve 30 is intercalated in the opening, fastening part 262 with the blocking annular groove 35 corresponding clips 26 of seasonal sleeve 30, when so the user decontrols push jack 27, clip 26 is resetted by reed 29 effects backward, and the fastening part 262 of clip 26 is embedded in the blocking annular groove 35 of sleeve 30, reaches the purpose of clip sleeve 30;

Otherwise, when needs unload lower sleeve 30, then equally the push jack 27 of blocking locating structure 20 is promoted forward, and drive clip 26 displacement forward, make its fastening part 262 break away from the blocking annular groove 35 of sleeve 30, further make its release groove 260 corresponding sleeves 30, sleeve 30 can be separated with ratchet spanner.

Via above-mentioned explanation as can be known, because blocking locating structure 20 is located at the central authorities of head 11 end faces, corresponding user's thumb by chance, therefore be easier to operation than prior art, adding its clip 26 strides and is located at sleeve 30 both sides, so its action is more smooth-going, and can not concentrate, and then can prolong its service life because of monolateral action forms stress.

Claims

1, a kind of blocking locating structure of ratchet spanner, this ratchet spanner are provided with a ratchet device for the intercalation sleeve in handle bar one termination portion, but and head top surface be provided with the blocking locating structure of an inlay card sleeve periphery blocking annular groove; It is characterized in that:

This blocking locating structure is covered with a capping in the end face of head, be formed with the open-work that a corresponding head ratchet device sleeve passes the hole in the capping, the capping inner face is striden in the open-work periphery and is provided with a catch again, is formed with the conduit that is parallel to each other between the two side of capping and catch respectively;

Moreover this is covered in and is slidingly equipped with a clip that can reset backward between inner face and head top surface, be formed with a release groove that is slightly larger than sleeve outer diameter between this clip, and clip forms the guide card of corresponding conduit in the release groove both sides, clip has protruded out a fastening part in the release groove leading edge again, and this fastening part is with respect to the blocking annular groove of clip sleeve.

2, the blocking locating structure of ratchet spanner according to claim 1 is characterized in that: the head utilization locking bolt of this handle bar upwards is locked in end face with capping by the containing hole inwall.

3, the blocking locating structure of ratchet spanner according to claim 1 is characterized in that: this clip rear end utilizes locking bolt lock to be provided with one to be convenient to the push jack that the user promotes.

4, as the blocking locating structure of ratchet spanner as described in claim 1 or 3, it is characterized in that: shoring between the release groove bottom of this clip and capping catch has an arcuation reed that can make clip reset backward automatically, the central point of this reed peaks at the catch trailing edge, and the reed two-end-point stays on two ends, release groove inner edge rear.