CN2271429Y

CN2271429Y - Multiple-jaw spanner

Info

Publication number: CN2271429Y
Application number: CN 96217785
Authority: CN
Inventors: 冯钦闲
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-07-22
Filing date: 1996-07-22
Publication date: 1997-12-31
Anticipated expiration: 2006-07-22

Abstract

The utility model relates to a spanner with multiple jaws, which is used for fastening parts. In the prior art, a plum blossom spanner head with multiple jaws or a spanner head with a sleeve barrel has limitation when in use, and a solid spanner head with multiple jaws is needed additionally. The utility model is characterized in that through different combination of the plum blossom spanner head with multiple jaws, the spanner head with a sleeve barrel, and the solid spanner head with multiple jaws, the dual-purpose spanner with multiple jaws, and the solid spanner with multiple jaws are formed, wherein, the solid spanner is characterized in that the side surfaces of the spanner jaws of the solid spanner are provided with a plurality of thickened sheets which axially move; a plurality of different spanner jaws can be formed by the movement of the thickened sheets. The novel spanner with multiple jaws can replace a plurality of dual-purpose spanners or solid spanners.

Description

The Multiple-jaw spanner

The utility model is about a kind of Multiple-jaw spanner, is used for the firm of fastenings.

As everyone knows, no matter traditional spanner is slow-witted spanner, and plum blossom spanner or Socket type driving end of wrenches all have only one to pull mouth.People had done improvement afterwards, four the plum blossom spanners (1) (number of patent application 88201831) (Fig. 2 is the lateral plan of Fig. 1) that vary in size and pull mouthful that have as shown in Figure 1 and Figure 2 for example occurred.Occurred again as Fig. 3, Fig. 4, shown in have four and vary in size that (Fig. 4 is the lateral plan of Fig. 3 to the Socket type driving end of wrenches of pulling mouthful (2) (number of patent application 93203028.9), it is made up of inner sleeve (21) and outer sleeve (22), and both all contain two pulling mouthful of varying in size).But it is bigger than normal that the shortcoming of above-mentioned spanner is a wall thickness, can not pull the nut (3) that leans on the wall place that is positioned at of standard.Address this problem, the slow-witted spanner of a same Multiple-jaw can be set at the other end of the double offset ring spanner of above-mentioned Multiple-jaw or box spanner handle.If the slow-witted spanner of this Multiple-jaw has been designed, so also just having produced the handle two ends all is fork spanners of the Multiple-jaw of slow-witted spanner.The Multiple-jaw spanner will bring convenience to using and carrying all, and the slow-witted spanner of tradition has only one to pull mouth.

The purpose of this utility model provides a kind of Multiple-jaw spanner, and it has various combination, and every kind of combination all contains the slow-witted spanner of Multiple-jaw.For example a slow-witted spanner of Multiple-jaw and a Multiple-jaw plum blossom spanner are formed Multiple-jaw plum blossom combination wrenches; A slow-witted spanner of Multiple-jaw and a Multiple-jaw Socket type driving end of wrenches are formed Multiple-jaw sleeve combination wrenches; The slow-witted spanner of a slow-witted spanner of Multiple-jaw and another Multiple-jaw that varies in size is formed the Multiple-jaw fork spanner.

The utility model be achieved in that it by handle, slow-witted spanner, Multiple-jaw plum blossom spanner and Multiple-jaw Socket type driving end of wrenches through different combining, every kind of combination all contains slow-witted spanner, and the oral-lateral face of pulling of described slow-witted spanner is provided with a slice above (comprising a slice) and makes the axially movable sheet that thickens.Leave and pull mouth when thickening sheet, pull mouthful bore and become big.Pull mouth when thickening the sheet immigration, be affixed on the oral-lateral face of pulling, then pull mouth and diminish.Thereby make slow-witted spanner change the mouth of pulling that a plurality of different bores.

The utility model has the advantages that: in fact one can replace novel spanner manyly combination wrenches, and it is comparatively convenient to carry and operate.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is the prior art of plum blossom spanner.

Fig. 2 is the lateral plan of Fig. 1.

Fig. 3 is the prior art of Socket type driving end of wrenches.

Fig. 4 is the lateral plan of Fig. 3.

Fig. 5 is the front view of the utility model embodiment 1.

Fig. 6 is the A-A side sectional view of Fig. 5.

Fig. 7 is that the B of Fig. 5 is to partial view.

Fig. 8 is the front view of the utility model embodiment 2.

Fig. 9 is the lateral plan of Fig. 8.

Figure 10 is the front view of the utility model embodiment 3.

Figure 11 is the lateral plan of Figure 10.

Figure 12 is the another kind of version (enlarged drawing) of slow-witted spanner among the embodiment 3.

Figure 13 is the C-C side sectional view of Figure 12.

Figure 14 is the rearview of Figure 12.

Figure 15 is the front view of the utility model embodiment 4.

Figure 16 is the lateral plan of Figure 15.

Figure 17 is the another kind of form of embodiment 4.

Figure 18 is the view of embodiment 5.

Figure 19 is the partial view of embodiment 6.

In order to understand the utility model in more detail, below contrast figure be described in further detail.

This pulls the Multiple-jaw sleeve combination wrenches that the slow-witted spanner (4) of mouth is formed by four Socket type driving end of wrenches of pulling mouthful (2) and four embodiment 1, (seeing Fig. 5,6,7).The two sides that slow-witted spanner is pulled mouthful (41) are provided with and thicken sheet (42) and (43).Thickening sheet can debouch and pull mouthful rear side vestibule (44) and (45) (see figure 7).The effect of vestibule is to thicken sheet from the four direction constraint, and it can not rocked.The second, when pulling nut, by up and down two-layer (49) and (11) average force (see figure 6).The thickness of supposing to thicken sheet (42) is 1mm, and the thickness that thickens sheet (43) is 2mm, and pulling mouthful bore is 20mm.When being in the diagram solid line position, pull the nut that mouth can be pulled 20mm so.All enter and pull mouthful both sides (imaginary line position) when thickening sheet (42) and (43).At this moment can pull the nut of 17mm.Be retracted into vestibule (44) when thickening sheet (43), enter and pull mouth, at this moment can pull the nut of 19mm and thicken sheet (42).Enter and pull mouth when thickening sheet (43), be retracted into vestibule (45), at this moment can pull the nut of 18mm and thicken sheet (42).Through above-mentioned adjusting, this slow-witted spanner can pull 17,18,19, four kinds of specifications of nuts of 20mm.

For when operating, prevent to thicken sheet and move arbitrarily, on slow-witted spanner, be provided with back stop slot (46).And be provided with an elasticity die stop (47) on the sheet thickening.Enter and pull mouth when thickening sheet, colluding tooth (48) and can fall into back stop slot on the elasticity die stop thickens sheet thereby fixed.Will be retracted into vestibule when thickening sheet, as long as press elasticity die stop (shown in the imaginary line), the tooth that colludes on the elasticity die stop withdraws from back stop slot, just it is removable to thicken sheet.

At will mention the processing method of back stop slot (46).The first, can adopt precision casting technology to obtain back stop slot.The second, the part (49) that contains back stop slot can be broken away from spanner processing, use pin (40) to be fixed on the spanner then.When pulling nut, pin (40) can bear a part of moment.Certainly also can adopt the connection of the method replacement pin of welding.

Establish hole (50) on the sheet thickening, in adorn a cylinder compression spring (51).Both ends of the spring withstands on the two sides of groove (52), and the damping that is produced can stop to thicken to be touched arbitrarily after sheet is retracted into vestibule.Can certainly adopt alternate manner, as long as but thicken sheet and spanner generation damping.

Embodiment 2, and this pulls the Multiple-jaw plum blossom combination wrenches that the slow-witted spanner (4) of mouth is formed by the four plum blossom spanners of pulling mouthful (1) and four (seeing Fig. 8,9).

Embodiment 3, the Multiple-jaw sleeve combination wrenches that (seeing Figure 10,11) this slow-witted spanner (7) of being pulled mouthful by the Multiple-jaw Socket type driving end of wrenches (6) (prior art) that can regulate and one eight is formed.Eight pull mouthful slow-witted spanner is actually and has established one again in the four slow-witted spanner back of pulling mouthful and pull mouthful (71).Pulling mouth for two share and thickens sheet (72) and (73) and elasticity die stop (74) and (75).This spanner is provided with a groove (76), can hold the square key (78) on the handle (77) in the groove, and both connections can be born the moment when pulling nut.

Spanner and handle also can adopt as Figure 12, the method for attachment shown in 13,14.Handle (97) is connected with pin (79) with the spanner back, and handle can carry out 180 ° rotation (among Figure 13 shown in the imaginary line) around spanner.

Embodiment 4, and this pulls mouthful Multiple-jaw fork spanner that slow-witted spanner (4) is formed by two four (seeing Figure 15,16).

Figure 17 pulls mouthful lateral plan of the Multiple-jaw fork spanner that slow-witted spanner (7) is formed by two eight.

Embodiment 5, and this is only to contain one to thicken the slow-witted spanner (8) of sheet (43) and contain two combination wrenches of pulling sleeve (9) composition of mouth for (seeing Figure 18).Contain the outer sleeve that in fact two sleeves of pulling mouthful are equivalent to remove among Fig. 4 inner sleeve.

Embodiment 6, and this is to contain three figures that thicken the slow-witted spanner of sheet (43) (12) (42) for (seeing Figure 19).Certainly more more sheets that thickens according to said method also can be set, to obtain more to pull mouth, this is that those skilled in the art are all attainable, so be not repeated.

Claims

1, a kind of Multiple-jaw spanner, it by handle, slow-witted spanner, Multiple-jaw plum blossom spanner and Multiple-jaw Socket type driving end of wrenches through different combining, every kind of combination all contains slow-witted spanner, and the oral-lateral face of pulling that it is characterized in that described slow-witted spanner is provided with a slice above (comprising a slice) and makes the axially movable sheet that thickens.

2, Multiple-jaw spanner as claimed in claim 1 is characterized in that mouthful rear side of pulling of described slow-witted spanner is provided with for the vestibule that thickens the sheet turnover.

3, Multiple-jaw spanner as claimed in claim 1 is characterized in that described slow-witted spanner can contain two and pull mouth.

4, Multiple-jaw spanner as claimed in claim 3, it is characterized in that described two pull mouth can be provided with share thicken sheet and elasticity die stop.

5, Multiple-jaw spanner as claimed in claim 1, it is characterized in that described slow-witted spanner is provided with back stop slot, described thickening is provided with the elasticity die stop that colludes tooth on the sheet, enter when pulling mouthful when thickening sheet, and the dedentition of colluding on the described elasticity die stop is gone in the back stop slot.