CN202805059U

CN202805059U - Sleeve connection location mechanism for hand tools

Info

Publication number: CN202805059U
Application number: CN 201220398287
Authority: CN
Inventors: 林滄海
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-13
Filing date: 2012-08-13
Publication date: 2013-03-20
Anticipated expiration: 2022-08-13

Abstract

A sleeve connection location mechanism for hand tools is formed by a main body, one end of the main body protrudes to form a sleeve connection portion, a location radially penetrating through the sleeve connection portion is arranged between two opposite lateral sides of the sleeve connection portion, location steel balls are arranged in the location hole at the opening positions close to the two ends, and a conical spring is arranged between to location steel balls in the location hole of the sleeve connection portion. Thus, the location steel balls of the sleeve connection portion of the main body can synchronously compress two ends of the conical spring, and the length of the compressed conical spring can be effective shortened due to the fact that rings of the conical spring can contract into larger adjacent rings. The main body uses a socket connection rod or a socket spanner, labial margins are form in the location hole of the sleeve connection portion of the main body close to the inner edges of the two ends, and accordingly the steel balls can protrude but cannot break away completely. The conical spring is a bidirectional different-diameter conical spring or a bidirectional same-diameter conical spring or a unidirectional conical spring. The sleeve connection location mechanism can improve clamping force of hand tools, is smooth to plug and release and reduces manufacturing cost.

Description

The socket detent mechanism of hand-held tool

Technical field

The utility model is subordinate to a kind of technical field that is socketed the location, particularly refers to a kind of socket detent mechanism of simple in structure, the hand-held tool that is easy to make, clip power and the sliding compliance of action so as to can promote its socket the time.

Background technology

Increase in user demand, the function of hand-held tool, use kenel also change thereupon, it in use, no matter be manual or gas, electronic, for convenient hand-held tool is applied to position narrow or the inner edge depths, thus must cooperate with the extension bar of development length, in addition in order to change different dimensions, also can change on demand its tool heads, such as sleeve etc.Such as Fig. 1, this hand-held tool is a kind of for locking or release nut, the sleeve extension rod of bolt, this hand-held tool has a body 10, and body 10 two ends are formed with respectively one and overlap pull section 11 and a socket part 15, cover the pull hexagon ring of nut or bolt of section's 11 optional confession covers of pulling wherein, for the screwdriver head of inserting the bolt of pulling, socket part 15 then is provided with a steel ball 18 that utilizes elastic component 16 to shore, this steel ball 18 can slightly protrude 15 surfaces, socket part, for the corresponding inlay card groove that is embedded in the sleeve inner edge of relative fit, and utilize the steel ball 18 of tool elastic reaction to produce the local positioning snap effect, to avoid any slippage of this hand-held tool.

So bear when driving torsion because of pull section 11 or socket part 15 of the cover of the body 10 two ends fit nuts of this hand-held tool or sleeve, not only steadiness is poor, and also bearing of torsion can't reach balance, and this kind situation is more obvious in the use of pneumatic or electric tool, and necessity of being improved is arranged.

As shown in Figure 2, be TaiWan, China patent announcement M390204 number, the formation of this extension bar comprises a body 20, and body 20 is objects of general elongated rod shape, and the one end is provided with for what cover was pulled box spanner or nut and is nested with hole 21, and another end then is convexly equipped with and forms a socket part 25.This socket part 25 is four horn shapes, just can insert the sincere hole that is nested with in sleeve or extension bar, and the suitable place of these socket part 25 radial orientation, be formed with locating hole 26 through running through in two sides, axially suitably locate simultaneously and inwardly be drilled with to form an accommodating hole slot 27, and locating hole 26 two ends are arranged with the positioning ball 28 on alternative outstanding 25 surfaces, socket part, be provided with again a promotion steel ball 29 of being shored by elastic component 291 in the accommodating hole slot 27, it is selective outstanding or be hidden in the actions of this locating hole 26 that this promotion steel ball 29 can push against aforementioned two positioning balls 28 synchronously.But make socket part 25 buckles in the hole that is nested with of sleeve or extension bar, and utilize both sides positioning ball 28 to produce the snap effect of relative positioning, it can improve its steadiness and clip power;

But its positioning ball 28 utilizes axial promotion steel ball 29 and elastic component 291 to come start, the transmission of power between the two and start direction are vertical configuration, and have influence on the sliding compliance of clip power and action, cause it to insert the inconvenience pull when threading off, moreover socket part 25 is except needs are radially processed, more need further axially process, and need utilize at last end plug to be fixed, not only increase spare part, also improve the difficulty made from assembling, invisible has been improved processing cost, so can't satisfy the demand of actual use, remains further to be improved.

In view of this, the inventor is the problem that faces during for the socket of aforementioned existing hand-held tool location, and by the research and development of being engaged in for many years related industry and manufacturing experience, further investigated and actively seek solution, research through constantly making great efforts with study, finally the socket detent mechanism of developing a kind of hand-held tool of success, so as to overcome the hand-held tools such as existing box spanner or sleeve extension rod because of clip power is not enough, action has some setbacks, the processing cost height causes puzzlement with inconvenient.

The utility model content

Technical problem underlying to be solved in the utility model is, overcome the defects that prior art exists, and a kind of socket detent mechanism of hand-held tool is provided, the clip power that it promotes hand-held tool, further can have concurrently insert the action of pulling when threading off sliding along and reduce the cost of making processing.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of socket detent mechanism of hand-held tool is characterized in that, is made of a body, and a wherein end of this body is convexly equipped with and forms a socket part;

Be formed with a locating hole that radially runs through in this socket part between two relative side, and be provided with a location steel ball in contiguous both ends open place in this locating hole, the socket part locating hole is provided with a volute spring between two positioning balls again;

Whereby, but make the two ends of positioning ball synchronous compression volute spring of the socket part of body, but and utilize each circle indentation of volute spring adjacent than the characteristic in the great circle, effectively shorten the length after its compression, and group consist of one have that clip power promotes concurrently, the socket detent mechanism of the sliding compliance of action and the hand-held tool that cuts down finished cost.

The socket detent mechanism of described hand-held tool, wherein, this body adopts sleeve extension rod or box spanner.

The socket detent mechanism of described hand-held tool, wherein, the socket part locating hole of this body is formed with an antelabium in the inner edge at contiguous two ends, makes positioning ball can slightly give prominence to and unlikelyly deviate from fully.

The socket detent mechanism of described hand-held tool, wherein, this volute spring adopts the volute spring of two-way Different Diameter.

The socket detent mechanism of described hand-held tool, wherein, this volute spring adopts two-way volute spring with the footpath.

The socket detent mechanism of described hand-held tool, wherein, this volute spring adopts unidirectional volute spring.

The beneficial effects of the utility model are, promote the clip power of hand-held tool, further can have concurrently insert the action of pulling when threading off sliding along and reduce the cost of making processing.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the side-looking generalized section of relevant socket location in the existing hand-held tool.

Fig. 2 is the side-looking generalized section of relevant socket location in another existing hand-held tool.

Fig. 3 is the three-dimensional exploded view that the socket detent mechanism of the utility model hand-held tool applies to sleeve extension rod, for the aspect and the relativeness thereof that disclose its each primary clustering.

Fig. 4 is the three-dimensional appearance schematic diagram that the socket detent mechanism of the utility model hand-held tool applies to sleeve extension rod.

Fig. 5 is the three-dimensional appearance schematic diagram that the socket detent mechanism of the utility model hand-held tool applies to box spanner.

Fig. 6 is the side-looking generalized section of the socket detent mechanism of the utility model hand-held tool.

Fig. 7 is the side-looking action schematic diagram of socket detent mechanism when compression of the utility model hand-held tool.

Fig. 8 is the side-looking generalized section of a volute spring again in the socket detent mechanism of the utility model hand-held tool.

Fig. 9 is the side-looking action schematic diagram of a volute spring when compression again in the socket detent mechanism of the utility model hand-held tool.

Figure 10 is the side-looking generalized section of another volute spring in the socket detent mechanism of the utility model hand-held tool.

Figure 11 is the side-looking action schematic diagram of another volute spring when compression in the socket detent mechanism of the utility model hand-held tool.

The number in the figure explanation:

10 bodies 11 overlap the section of pulling

15 socket parts, 16 elastic components

18 steel balls, 20 bodies

21 are nested with 25 socket parts, hole

26 locating holes, 27 accommodating hole slots

28 positioning balls 29 promote steel ball

291 elastic components

50 bodies 51 are nested with the hole

55 socket parts, 56 locating holes

561 antelabium, 562 antelabium

571 positioning balls, 572 positioning balls

58 volute springs

The specific embodiment

The detailed formation of the socket detent mechanism of the utility model hand-held tool, such as Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, this hand-held tool is made of a body 50, this body 50 can be selected from sleeve extension rod or box spanner, a wherein end of this body 50 can be set as for what cover was pulled nut and be nested with hole 51 or spanner handle, the other end then is convexly equipped with and forms a socket part 55, and this socket part 55 is four horn shapes, just can insert sincere on sleeve;

This socket part 55 wherein is formed with a locating hole that radially runs through 56 between two relative side again, this locating hole 56 is formed with an antelabium 561 in the inner edge at contiguous two ends, 562, and be provided with one in contiguous both ends open place in this locating hole 56 and locate steel ball 571,572, for the antelabium 561 that utilizes locating hole 56,562 make positioning ball 571,572 can be slightly outstanding, and unlikelyly deviate from fully, socket part 55 locating holes 56 are in two positioning balls 571 again, 572 are provided with a volute spring 58, it can be selected from volute spring 58[such as Fig. 6 of two-way Different Diameter, shown in Figure 7], unidirectional volute spring 58[such as Fig. 8, shown in Figure 9] or two-way volute spring 58[such as Figure 10 with the footpath, shown in Figure 11], because volute spring 58 is when compression, but each the circle indentation adjacent than in the plane of great circle [such as Fig. 6, shown in Figure 7], make positioning ball 571,572 stressed hiding when entering locating hole 56, this volute spring 58 can be out of shape first by major diameter, and spring constant increases and increases along with decrement, and do not affect the active force that it is shored, can effectively guarantee positioning ball 571,572 clip power;

Whereby, but make the positioning ball 571 on the socket part 55 of body 50, the two ends of 572 synchronous compression volute springs 58, but and utilize volute spring 58 each circle indentation adjacent than the characteristic in the great circle, effectively shorten the length after its compression, and group consist of one have that clip power promotes concurrently, the socket detent mechanism of the sliding compliance of action and the hand-held tool that cuts down finished cost.

By above-mentioned structural design, the socket detent mechanism of the utility model hand-held tool is when practical operation, such as Fig. 6, Fig. 7 is shown [for another Fig. 8, Fig. 9 or Figure 10, shown in Figure 11], in the operation, when the socket part 55 of body 50 will be inserted when pulling or threading off relatively with sleeve, positioning ball 571 on the socket part 55, in the stressed retraction locating hole 56 of 572 meetings, because positioning ball 571,572 shored by a volute spring 58, this volute spring 58 can be out of shape first by major diameter, but and each the circle indentation adjacent than in the great circle, so not only do not affect volute spring 58 and shore positioning ball 571,572 active force, make body 50 can utilize the positioning ball 571 of socket part 55,572 effective clips are in sleeve, and do not affect its clip power;

Moreover, two positioning balls 571 of socket part 55,572 moving direction are coaxial with the flexible direction of volute spring 58, not only can effectively shorten its compression after length, and it is inserted to pull and very slides suitable with the action of threading off, can promote it and insert the clip power of pulling, thereby improve the surcharge of product, further also can promote its economic benefit.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.

In sum, the utility model is on structural design, use practicality and cost benefit, it is required to meet industry development fully, and the structure that discloses also is to have unprecedented innovative structure, have novelty, creativeness, practicality, the regulation that meets relevant new patent important document is so mention application in accordance with the law.

Claims

1. the socket detent mechanism of a hand-held tool is characterized in that, is made of a body, and a wherein end of this body is convexly equipped with and forms a socket part;

2. the socket detent mechanism of hand-held tool according to claim 1 is characterized in that, described body adopts sleeve extension rod or box spanner.

3. the socket detent mechanism of hand-held tool according to claim 1 is characterized in that, the socket part locating hole of described body is formed with an antelabium in the inner edge at contiguous two ends, makes positioning ball can give prominence to and unlikelyly deviate from fully.

4. the socket detent mechanism of hand-held tool according to claim 1 is characterized in that, described volute spring adopts the volute spring of two-way Different Diameter.

5. the socket detent mechanism of hand-held tool according to claim 1 is characterized in that, described volute spring adopts two-way volute spring with the footpath.

6. the socket detent mechanism of hand-held tool according to claim 1 is characterized in that, described volute spring adopts unidirectional volute spring.