CN1277656C

CN1277656C - Improved spanner structure

Info

Publication number: CN1277656C
Application number: CN 02125583
Authority: CN
Inventors: 谢智庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-22
Filing date: 2002-07-22
Publication date: 2006-10-04
Anticipated expiration: 2022-07-22
Also published as: CN1470361A

Abstract

The present invention relates to an improved spanner structure which comprises a driving head and a spanner handle body which can be mutually pivoted, wherein the driving head is provided with a sheathing and holding seat used for being sheathed with a spiral piece, the spanner handle body is a component which can be used for being held and exerting force, one end of the spiral component and the component is respectively provided with a pivoting part, the head and the spanner handle body are driven by the pivoting parts to form a vertical and interlaced structural form, and thus, the wrenching and force exerting holding area of the spanner is increased. Simultaneously, the driving head can do angular adjustment with the spanner handle body to increase the efficacy of the spanner.

Description

The spanner structure of improvement

Technical field

The present invention relates to the spanner structure that a kind of field of hand is used for fastening, connection, dismounting or clamping tools, particularly relate to a kind ofly increase that spanner is pulled, the application of force and cover hold the spanner structure of the improvement of spiral shell spare effect.And become a kind of new design that quite has practicality and progressive, be suitable for the industrial circle wide popularization and application.

Background technology

The use of Wrench, for industry development now, it is an indispensable important tool, and along with utilization rate extensively, the increase of demand factor, the function of spanner structure, kind has also had various development, change, see also Fig. 1～shown in Figure 3, it is respectively active open spanner and blossom type back-up wrench, though these two kinds of spanner one ends are the structures that is different in order to " cover is held seat " of socket spiral shell spare, but it is used for the user and grips, the shank of pulling but is all identical structural form, and this shank commonly used is because be to be flat thin structure, and hold seat with this cover and be parallel linking structure, therefore, when the user is gripping, when pulling, tend to produce the situation that is difficult for gripping or sliding easily hand, cause the puzzlement in the use, main cause be because, when the cover of spanner is held seat at socket spiral shell spare, also to hold seat parallel with this spiral shell spare and cover for this shank larger area one side, so shank that user's application of force is contacted when pulling, be to be the area smaller lateral, because contact area is less, so have the defective of the inconvenience in the use.

In addition, please consult shown in Figure 4 again, it is that the previous invention of the design people " is easy to the spanner shank structural improvement of the application of force ", though it is to be vertical stratification that its shank of pulling gripping of invention that should existing spanner and the cover of socket spiral shell spare are held, but, because this spanner structure is to form a folded part with " stubborn folding processing " with the spanner middle section, therefore making and using the defective that inconvenience is all arranged, wherein, in the manufacturing, the shank of spanner is because need through stubborn folding processing, so, not only cause stress to concentrate to the spanner material easily and reach harmful effects such as destruction, and grip for the spanner shank that makes stubborn foldable type meets human body, its process is also more numerous and diverse, inconvenience, and need higher cost; In the use, because should " folded part " be the middle section that is shaped in spanner, so if the user pulls the words that the position of gripping is positioned at this folded part rear, the strength of being executed when then pulling just can concentrate on this folded part, causes minus effect, moreover, because shank and the cover portion of holding can't do the adjustment of angle, therefore, more cause and use the restricted of effect, and the necessity that is improved is arranged.

Because the defective that above-mentioned existing spanner structure exists, the design people is based on being engaged in such product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, spanner structure in the hope of the improvement of founding a kind of new structure, can improve general existing on the market conventional spanner structure, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.

Summary of the invention

Main purpose of the present invention is, overcome the defective that existing spanner structure exists, and a kind of spanner structure of improvement of new structure is provided, technical problem underlying to be solved is the effect that can make spanner possess easy gripping, the application of force simultaneously and pull angle adjustment.

Another object of the present invention is to, a kind of spanner structure of improvement is provided, make it not influence spanner structure intensity and not cause under the situation of spanner material destruction, make spanner pull the area increase that the application of force grips.Technical problem to be solved is to make it have more practicality, and can increase economic efficiency greatly, thereby has the effect of enhancement on the whole, and has the value on the industry.

Purpose of the present invention and solve its technical problem underlying and realize by the following technical solutions.

The spanner structure of a kind of improvement that proposes according to the present invention, it comprises a drive head and spanner handle body, this drive head has one and holds seat in order to the cover of socket spiral shell spare, the spanner handle body is one can be for gripping, the member of the application of force, wherein an end of this drive head and spanner handle body is provided with first articulated section and second articulated section of pivot cover mutually, pivot joint by first articulated section and second articulated section forms the pin-jointed structure that a staggered structure is 90 degree vertical interlaceds with drive head and spanner handle body, in view of the above, not only convenient wrench is pulled the operation of the application of force, simultaneously, more can adjust the angle that spanner is pulled in good time.

The object of the invention to solve the technical problems can also adopt following technical measures further to realize.

The spanner structure of aforesaid improvement, first articulated section that wherein is positioned at this drive head one end is the type configuration state, second articulated section that then is positioned at this spanner handle body one end promptly is the character cut in bas-relief configuration state, otherwise, if first articulated section is the character cut in bas-relief configuration state, then this second articulated section then is the pin-jointed structure of type configuration state.

The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the spanner structure of the present invention's improvement, it comprises a drive head that can articulate mutually and spanner handle body, this drive head has a cover and holds seat, in order to socket spiral shell spare, and this spanner handle body be one can for grip, the member of the application of force, this two members, one end has an articulated section respectively, mainly be to make this articulated section drive head and spanner handle body form the structural form of vertical interlaced, using increases that spanner is pulled, the gripping area of the application of force, simultaneously, can do the adjustment of angle with this spanner handle body by this drive head.

Now specify advantage of the present invention as follows:

1. simple and convenient assembly, do not need numerous and diverse stubborn folding processing, when assembling, after first articulated section 12 of these drive head 10 1 ends is overlapped with second articulated section, 21 pivots of spanner shank 20, utilize this pivot 31 to wear pivot admittedly again, can reach and make this covered joint seat 11 and spanner handle body 20 be vertical interlaced to connect the structural form of establishing, and more existing spanner more can be saved processing cost and time efficient.

2. structural strength is good, do not have that stress is concentrated or the situation of improper destruction, because second articulated section 21 of the present invention is complete integrated formed structures with spanner handle body 20, but not existing spanner is with stubborn foldable type, so on the intensity of structure, not only do not have the situation that stress is concentrated or material is destroyed, because this second articulated section 21 is end pivot joints of direct and this drive head 10, therefore can be more certain in the transmission of pulling the application of force, and can not cause loss on the efficient.

3. practicality is good, and it is more convenient to pull the application of force, and the present invention not only can increase the area that grips when spanner is pulled the application of force, and increase convenience when pulling the application of force, simultaneously, this drive head 10 this spanner handle body 20 is more relatively made the structure of angle adjustment, and can increase the practicality of wrench operated.

In sum, the spanner structure of the improvement of special construction of the present invention has above-mentioned many advantages and practical value, it really belongs to innovation on the space structure kenel, more existing spanner structure product has the multinomial effect of enhancement, and simple structure, be suitable for practicality, have the extensive value of industry.It is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.

The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.

Description of drawings

Fig. 1 is the surface structure schematic diagram of first kind of existing spanner.

Fig. 2 is the surface structure schematic diagram of second kind of existing spanner.

Fig. 3 is the surface structure schematic diagram of the third existing spanner.

Fig. 4 is the surface structure schematic diagram of the third existing spanner.

Fig. 5 is a combination surface structure schematic diagram of the present invention.

Fig. 6 is a perspective exploded view of the present invention.

Fig. 7 is an angle adjustment action schematic diagram of the present invention.

Fig. 8 is the reference view of holding operation of the present invention.

Fig. 9 is a second embodiment of the present invention surface structure schematic diagram.

Figure 10 is the surface structure schematic diagram that the present invention is used for open-end wrench.

Figure 11 is another surface structure schematic diagram that the present invention is used for open-end wrench.

Figure 12 is the surface structure schematic diagram that the present invention is used for box spanner.

Figure 13 is another surface structure schematic diagram that the present invention is used for box spanner.

The figure number explanation:

10, drive head 11, cover are held seat

12, first articulated section 20, spanner handle body

21, second articulated section 31, pivot

311, emboss knobs portion

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of spanner structure, structure, feature and the effect thereof of the improvement that foundation the present invention is proposed, describe in detail as after.

See also Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, the spanner structure of the present invention's improvement, it mainly comprises: one can articulate the drive head 10 and spanner handle body 20 into one mutually, wherein:

This drive head 10 slightly is ellipticity, and inner edge is provided with a cover and holds seat 11, and in order to socket spiral shell spare, it is formed with first articulated section 12 of a convex character shape to a end that should spanner handle body 20, in order to articulate this spanner handle body 20.

This spanner handle body 20 is for one can be for gripping, the long element of the application of force, it forms second articulated section 21 of a character cut in bas-relief shape to a end that should drive head 10, and this second articulated section 21 also is the extended structure form of vertical interlaced shape with this spanner handle body 20, and this second articulated section 21 is to supply this first articulated section 12 wherein sheathed by the containing state, pivot is solid by a pivot 31 wears two members again, the outer rim side face appropriate location of this pivot 31, be be provided with along this circumferential ring one recessed, the emboss knobs portion 311 of convex attitude can increase the tightness that this drive head 10 and spanner handle body 20 articulate.

Therefore, above-mentioned second articulated section 21 and spanner handle body 20 are the configuration state of vertical interlaced, and make this drive head 10 and this spanner handle body 20 be vertical connecting structure structure attitude, and then can be under the situation that does not influence spanner structure intensity, make spanner pull the area increase that the application of force grips, and, be pin-jointed structure by this drive head 10 with this spanner handle body 20, and the angle that makes the spanner cover hold spiral shell spare can be done suitable adjustment, simultaneously, because the outer rim side face appropriate location of this pivot 31 is formed with emboss knobs portion 311, therefore, the tightness in the time of can increasing these drive head 10 pivoting angles.

As shown in Figure 9, the present invention is in the design of package assembly, also first articulated section, 12 designs of being located at these drive head 10 1 ends can be the character cut in bas-relief structural form, second articulated section 21 that is positioned at these spanner handle body 20 1 ends then is the type structural form, moreover, as Figure 10, Figure 11, Figure 12 and shown in Figure 13, the applicability of feature structure of the present invention, also can be used in the spanner invention of different structure form,, can further increase industry applications as active open spanner, box spanner or the like.

The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any personnel that are familiar with this technology may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, every content that does not break away from technical solution of the present invention,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.

Claims

1. the spanner structure of an improvement, it comprises a drive head and spanner handle body, this drive head has one and holds seat in order to the cover of socket spiral shell spare, the spanner handle body be one can for grip, the member of the application of force, it is characterized in that:

One end of this drive head and spanner handle body is provided with first articulated section and second articulated section of pivot cover mutually, and it is 90 to spend the pin-jointed structure of vertical interlaceds that the pivot joint by first articulated section and second articulated section forms a staggered structure with drive head and spanner handle body.

2. the spanner structure of improvement according to claim 1, it is characterized in that: first articulated section that is positioned at this drive head one end is the type configuration state, second articulated section that then is positioned at this spanner handle body one end promptly is the character cut in bas-relief configuration state, otherwise, if first articulated section is the character cut in bas-relief configuration state, then this second articulated section then is the pin-jointed structure of type configuration state.