CN2355848Y - Fixed spanners with improved spanner head - Google Patents
Fixed spanners with improved spanner head Download PDFInfo
- Publication number
- CN2355848Y CN2355848Y CN 99201270 CN99201270U CN2355848Y CN 2355848 Y CN2355848 Y CN 2355848Y CN 99201270 CN99201270 CN 99201270 CN 99201270 U CN99201270 U CN 99201270U CN 2355848 Y CN2355848 Y CN 2355848Y
- Authority
- CN
- China
- Prior art keywords
- spiral shell
- shell spare
- spanner
- right jaw
- stopper face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to fixed spanners with an improved spanner head, which comprises a grab handle. A spanner head is connected with one end of the grab handle and is provided with a left and a right jaws. A lean supporting space is formed between the left and the right jaws, and the left and the right jaws are respectively provided with at least one braking surface. The utility model is characterized in that the front ends of the left and the right jaws of the spanner head extend for connection to form a frame part and a spreading space which is provided for containing spiral pieces for free rotation. After the frame part of the spanner is sheathed on the spiral pieces, the spanner is rotated to every side peripheral surface of every braking surface parallel to the spiral pieces of the left and the right jaws, and the spanner is pushed forwards along the direction to cause every braking surface to lean against the spiral pieces and quit on the contrary.
Description
The utility model is relevant with spanner, is meant a kind of back-up wrench of improveing driving end especially, its easily fit by being held in spiral shell spare the operator.
Press, general assembling-disassembling bolt or nut with various spanners for it, wherein, the most normal is to be fixed open-end wrench by the user, well-known, general fixed open-end wrench is by a lever, and the end that a driving end is arranged in this lever constitutes; Wherein, this driving end has a left jaw and a right jaw, and this left and right jaw respectively has the lateral circle surface that a braking surface reliably is held in spiral shell spare.
When this wrench operated uses, must earlier this its left and right jaw be sleeved on spiral shell spare, so that this each stopper face then can rotate spiral shell spare when pulling this spanner by being held in each lateral circle surface of spiral shell spare; The operation of pulling when need repetitiousness must break away from this spiral shell spare with this spanner, and return back to the precalculated position angle, is sheathed on spiral shell spare again and pulls operation.But it still has following shortcoming:
1, the guiding that cooperates with spiral shell spare of each stopper face of this left and right jaw is relatively poor, often causes sheathed difficult aligning and makes operation inconvenience.
2, it is when repetitiousness is pulled operation, and each stopper face of the left and right jaw of this wrench must break away from spiral shell spare, causes the inconvenience of fit once again.
3, the left and right jaw of this spanner is to be the open type state, is subject to collide or reverse produce distortion and cause situation about can't normally use.
In addition, shown in Figure 7, No. 342761 disclosed reciprocating type spanner of patent gazette Announcement Number, the driving end 130 of its main body one end has a larynx cave 131, the inboard of these larynx cave 131 both sides jaws 132,133 respectively is provided with an application of force with protruding mound 134,136, and wherein 136 belows, protruding mound of a side are provided with one again and paste the face 135 that touches, its characteristics be and be provided with one cooperate that the application of force uses hold mound 138, wherein this driving end 130 can be made as a hollow circular ring shape body.
Though the hollow circular ring shape body in these throat 131 outsides is can be for this spanner to spiral shell spare idle running and prevent that spiral shell spare breaks away from; Only, but these subsides are touched face 135 and are only caused folk prescription to pulling this spiral shell spare on its space kenel, therefore at this spanner fit anisotropy or must reverse operation the time, still this spanner must be broken away from spiral shell spare and fit again.
Main purpose of the present utility model is promptly providing a kind of back-up wrench of improveing driving end, and it can make the quicker spiral shell spare that is sheathed on easily of spanner, and can pull spiral shell spare rotating operator.
An of the present utility model purpose provides a kind of back-up wrench of improveing driving end more again, and it is difficult for breaking away from spiral shell spare person after can making the spanner fit.
A purpose more of the present utility model provides a kind of back-up wrench of improveing driving end again again, and it can increase left and right jaw intensity and can prevent distortion person.
Edge is, takes off purpose on reaching, and a kind of back-up wrench of improveing driving end of the present utility model consists predominantly of: a lever be rhabodoid can be for the usefulness of staff gripping; One driving end is an end that is arranged in this lever, have two sides that a left jaw and a right jaw are formed at this handle end respectively, be that formation one can be for being installed with this spiral shell spare by holding the space between this left and right jaw, and this left and right jaw respectively form at least one stopper face in this by holding the space side, this each stopper face reliably is held in each lateral circle surface of this spiral shell spare; Its characteristics are that this left and right jaw front end more extends the frame portion that is connected to form, this frame portion with should define an extension space by the open end of holding the space, use when retracting for this spanner backward, can break away from this spiral shell spare and dally; Wherein this left and right jaw respectively has two and reliably is held in hexagonal spiral shell spare and pulls the stopper face of operation; Wherein more form a recess between this each stopper face; It is the circumscribed circle diameter of rounded its diameter dimension greater than this spiral shell spare that this frame portion has an inner edge.
For more understanding characteristics of the present utility model place, lift the one preferred embodiment now and cooperate graphic being described as follows, wherein:
Fig. 1 is the floor map of the utility model one preferred embodiment.
Fig. 2 is that the utility model one preferred embodiment is sleeved on spiral shell spare action diagram.
Fig. 3 is that the utility model one preferred embodiment is by being held in the state diagram of spiral shell spare.
Fig. 4 is the state diagram that spiral shell spare is pulled in the utility model one preferred embodiment.
Fig. 5 is the floor map of another preferred embodiment of the utility model.
Fig. 6 is the utility model floor map of a preferred embodiment again.
Fig. 7 is a floor map of commonly using reciprocating type spanner.
Please refer to shown in Figure 1ly, back-up wrench one preferred embodiment of the utility model improvement driving end consist predominantly of a lever 10, and a driving head 20 is formed in an end of this lever 10; And can be applicable to the spiral shell spare 2 of a predetermined dimension, wherein:
This lever 10 is can be for the usefulness of staff gripping for a rhabodoid, and having a shank 11 is to be elongated rod shape; In addition but the groove (not shown) is provided thereon in order to increasing the intensity of its body of rod, and indicates the dimensions of pulling spiral shell spare is arranged.
This driving head 20 is ends that are arranged in this lever 10, has left jaw 30, one a right jaw 40 and a frame portion 50 and is connected with in the front end of this left and right jaw 30,40, wherein:
These left side jaw 30 inboards have two stopper faces 31, and it is identical with this first stopper face 31 that these right side jaw 40 inboards also have two stopper faces 41; And this each stopper face the 31, the 41st can be against each lateral circle surface of this spiral shell spare of hexagon 2, and forms one by holding space 35; And this 31,41 adjacent in each stopper face more is formed with a recess 32, can select the crack to use for the exterior angle of this spiral shell spare 2.
This frame portion 50 forms an extension space 51 for being sleeved on this spiral shell spare 2 easily, and this spanner 1 still can turn round and do not drive this spiral shell spare 2; Having an inner edge 53 is rounded shapes, and its diameter dimension A is the catercorner length that is slightly larger than this spiral shell spare 2; And one outer rim 54 can prevent that this left and right jaw 30,40 is subjected to collision to injure distortion.
The mode of operation of relevant present embodiment roughly can be divided into three steps, is described as follows now:
One, fit step, as shown in Figure 2, the frame portion 50 with this driving head 20 is sleeved on this spiral shell spare 2 earlier, that is should be to be installed with this spiral shell spare 2 in the extension space 51; Because the inner edge 53 of this frame portion 50 is the diagonal angle line lengths greater than this spiral shell spare, so this spanner 1 is free to rotate and do not pull this spiral shell spare 2; Reverse procedure then can make the frame portion 50 of this spanner 1 break away from this spiral shell spare 2.
Two, by holding step, as shown in Figure 3, after the fit step, this spanner 1 is rotated, make the two side outer peripheral faces of each stopper face 31,41 parallel these spiral shell spare 2 of this left and right jaw 30,40, along its direction this spanner 1 is pushed forward into, each stopper face 31,41 that can make this left and right jaw 30,40 is by being held in this spiral shell spare 2, that is this spiral shell spare 2 is positioned at this by holding space 35; Reverse procedure then can make each stopper face 31,41 of this spanner 1 break away from this spiral shell spare 2, and makes this spiral shell spare 2 be positioned at the extension space 51 of this frame portion 50.
Three, pull step, as shown in Figure 4,, can make these each stopper face 31,41 pressure holdings, and this spiral shell spare 2 is pulled and rotated, therefore can lock or unscrew this spiral shell spare 2 in this spiral shell spare 2 in by after holding step spanner 1 being pulled rotation.
Use above steps operation in regular turn, this spanner 1 can be sleeved on this spiral shell spare 2 fast, and each the stopper face 31,41 that makes this left and right jaw 30,40 is by being held in each lateral circle surface of this spiral shell spare 2, and then pulls this spanner 1 this spiral shell spare 2 is screwed or unscrews.
Especially, need repetitiousness during this spiral shell spare of operation dismounting 2, then can continue by by holding the opposite procedure operation of step, make this frame portion 50 be displaced to this spiral shell spare 2 but can not break away from, and this spanner 1 can be returned back to predetermined angular, rotate but do not drive this spiral shell spare 2; With by holding the step operation, make this each stopper face 31,41 again, then can heavily cover the operation of pulling again by being held in this spiral shell spare 2.
As shown in Figure 5, be the floor map of another preferred embodiment of the utility model, wherein this left and right jaw respectively has all linearly plane and being parallel to each other of a stopper face 31 ', 41 '.
As shown in Figure 6, be the utility model floor map of a preferred embodiment again, wherein this left and right jaw respectively has two stopper faces 31 ", 41 ", and this each braking surface 31 ", 41 " to be all the straight line plane included angle be 120 degree.
By above embodiment explanation, it is as follows to conclude characteristics of the present utility model:
1, this frame section can be installed with screw piece, and each stopper face that can make spanner is by being held in the side week of screw piece Face is more quick, and the function that can pull this screw piece rotating operation is arranged.
2, can be for being installed with this screw piece by this frame section, and this spanner is rotated and do not cause and pull this Screw piece, the convenience that therefore can provide repetitiousness to operate.
3, this frame section engages with this left and right jaw front end to be integrated, and therefore can prevent this left and right jaw The distortion of being reversed and increase its intensity.
To sum up institute is old, and the back-up wrench of improved spanner head of the present utility model has aforesaid every spy Point reaches the convenient purpose of using with distinctive structure, and commonly use spanner have more progressive and Practicality, patent is filed an application in the whence in accordance with the law.
Claims (4)
1, a kind of back-up wrench of improveing driving end is that the spiral shell spare that is used to pull a predetermined dimension makes and screws or unscrew, and this spanner consists predominantly of:
One lever is to be rhabodoid can supply the usefulness of staff gripping;
One driving head, it is an end that is arranged in this lever, and be formed with a left jaw and a right jaw in two sides of this handle end, forming one between this left and right jaw can be for being installed with this spiral shell spare by holding the space, and this left and right jaw respectively have at least one stopper face in this by holding the space side, this each stopper face just reliably is held in each lateral circle surface of this spiral shell spare;
It is characterized in that: the left and right jaw front end of this driving head more extends the frame portion that is connected to form, and this frame portion define an extension space with this by the open end of holding the space.
According to the described a kind of back-up wrench of improveing driving end of claim 1, it is characterized in that 2, wherein this left and right jaw respectively has two and reliably is held in hexagonal spiral shell spare and pulls the stopper face of operation.
3, according to claim 1 or 2 described a kind of back-up wrenches of improveing driving end, it is characterized in that, wherein more form a recess between this each stopper face.
According to claim 1 or 2 described a kind of back-up wrenches of improveing driving end, it is characterized in that 4, it is the circumscribed circle diameter of rounded its diameter dimension greater than this spiral shell spare that this frame portion has an inner edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99201270 CN2355848Y (en) | 1999-02-03 | 1999-02-03 | Fixed spanners with improved spanner head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99201270 CN2355848Y (en) | 1999-02-03 | 1999-02-03 | Fixed spanners with improved spanner head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2355848Y true CN2355848Y (en) | 1999-12-29 |
Family
ID=33997075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99201270 Expired - Fee Related CN2355848Y (en) | 1999-02-03 | 1999-02-03 | Fixed spanners with improved spanner head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2355848Y (en) |
-
1999
- 1999-02-03 CN CN 99201270 patent/CN2355848Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |