CN207578268U - A kind of open-end wrench - Google Patents
A kind of open-end wrench Download PDFInfo
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- CN207578268U CN207578268U CN201721434987.3U CN201721434987U CN207578268U CN 207578268 U CN207578268 U CN 207578268U CN 201721434987 U CN201721434987 U CN 201721434987U CN 207578268 U CN207578268 U CN 207578268U
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- gasket
- open
- mounting groove
- opening
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Abstract
The utility model provides a kind of open-end wrench, belongs to production and living technical field of tools.It solves existing spanner cannot ensure the technical problems such as versatility and reliability simultaneously.This open-end wrench includes handle, and the end of handle has driving end, offers U-shaped opening on driving end, mounting groove is offered on the bottom wall of opening；Open-end wrench further includes the gasket of several different-thickness, and gasket is in strip, and one end of gasket is inserted into being detachably connected in mounting groove and with the cell wall of mounting groove；When one end of gasket is inserted into mounting groove, the side of gasket mutually reclines with the side side wall being open and between the two with the magnetive attraction to attract each other.Open-end wrench in the utility model not only has the advantages that fork spanner, but also can meet the needs of different size bolt and nut by gasket, and passes through structure design and realize reliable and stable use.
Description
Technical field
The utility model belongs to production and living technical field of tools, is related to a kind of open-end wrench.
Background technology
Spanner is a kind of common installation and extracting tool, and bolt, screw, nut and other spiral shells are twisted using lever principle
Line tightly holds the opening of bolt or nut or the hand tools of trepanning firmware；Usually grip bolt is formed in the one or both ends of shank
Or the opening or sets of holes of nut, threadingly direction of rotation applies external force in shank during use, with regard to that can twist bolt or nut；Spanner
Usually use carbon structural steels or alloy structure steel making.Open-end wrench is one kind of spanner, he generally includes monkey wrench with staying
Spanner, its main feature is that end has opening, for grip bolt or nut；The opening of monkey wrench can random adjusting size,
Applicability is good, it is clear that opening can loosen, the fastening peak torque of application is smaller；And fork spanner specification is fixed, maximum is turned round
Square great efforts, but for the bolt or nut of different size model, need the spanner of a whole set of different size so much to meet
Bolt, use is not convenient enough, is also easily lost.
China's patent (notification number：CN201217192；Publication date：A kind of open spanner pad 2009-04-08) is disclosed, by
Annular gasket made of sheet metal, inner and outer ring edge are U-shaped, it is mutually socketed by the diameter of one group of U-shaped
Spanner pad forms, the width of each gasket ring just difference for the radius of adjacent big or small ring, the consistency of thickness of ring, and open spanner
The thickness of hand is equal, and each long edge of gasket ring is equipped with the side wing, can prevent from slipping.
Although open spanner pad disclosed in above patent document can be used in open-end wrench, the bolt of different size is adapted to
Or nut, while there is monkey wrench and fork spanner, but the spanner pad is U-shaped, volume is larger, inconvenient to carry, and
It is embedded in the opening of spanner, not enough securely.
Invention content
The utility model provides a kind of open-end wrench, the utility model institute for the above problem existing for existing technology
Technical problems to be solved are：The reliability for how improving the portability of open-end wrench and using.
The purpose of this utility model can be realized by following technical proposal：
A kind of open-end wrench, including handle, the end of the handle has driving end, is offered on the driving end U-shaped
Opening；It is characterized in that, offer mounting groove on the bottom wall of the opening；It is different thick that the open-end wrench further includes several
The gasket of degree, the gasket are in strip, one end of the gasket be inserted into the mounting groove and with the mounting groove
Cell wall is detachably connected；When one end of the gasket is inserted into the mounting groove, the side of the gasket and the opening
Side side wall mutually reclines and between the two with the magnetive attraction to attract each other.
Its operation principle is as follows：Open-end wrench in the technical program can apply to stubborn bolt in need situation
In, as frequency of use height, the extensive track wrench of application field.In the bottom of opening close to opening side in the technical program
Deeper mounting groove is processed at the plane of side wall and is used for setting-up piece, when for the bolt or nut of different size model,
Installation gasket is chosen whether as needed and the gasket of how much thickness is installed, when the openings of sizes of spanner cannot meet stubborn smaller
Bolt or during nut demand, the opening width of spanner is reduced by the thickness of gasket, thus can easily twist various types
Number bolt, reduce spanner quantity, be convenient for carrying it.Gasket one end of adaptation is inserted into mounting groove, and is connected to installation
On the side wall of slot, be open both the side mutually to recline with gasket and gasket are selected one and are made of permanent magnet, another uses gold
Belong to iron or ferroalloy is made, the two has magnetive attraction between each other in this way, and the side of gasket and the side side wall being open mutually recline
When, be connected by magnetive attraction between the two, prevent gasket rotate or fall, improve gasket installation stability and use can
By property.Entire spanner structure both has the advantages that fork spanner, can complete all things that existing fork spanner can be completed well,
The risk that spanner quantity and spanner are lost can also be effectively reduced, effectively reduces the use, energy saving of steel.
In above-mentioned open-end wrench, the gasket includes the ontology in rectangular shaped post, and one end of the ontology, which has, to be connected
Socket part offers connecting hole on the connecting portion, mounting hole is offered on the cell wall of the mounting groove, the open-end wrench also wraps
The connecting hole and the spring catch being plugged in the mounting hole can be passed through by including.Spring catch has Telescopic, by connecting portion
During being inserted into mounting groove, spring catch is recovered in the connecting hole of connecting portion, when the axis of spring catch and the axis of mounting hole
When conllinear, the pop-up of spring pin end has been stuck in mounting hole, has realized connection；During dismounting, bullet is squeezed by using tools such as fine needles
Spring pin end makes its contraction, and can facilitate taking-up；It is easy to use, stable connection；And interference is few when turning nut or bolt.
It as an alternative, can also be by the way of screw connection come setting-up piece.
In above-mentioned open-end wrench, the gasket is medial surface with the side that the opening sidewalls mutually recline, opposite
Another side is lateral surface, and the other end of the ontology has the guide surface that extension is tilted by the outside side in end face.Pass through guiding
The effect in face is quickly smoothly entered in opening convenient for bolt or nut, improves efficiency and convenient degree.
In above-mentioned open-end wrench, the width of the connecting portion is less than the width of the ontology, the both sides of the ontology
Face and the side flush of the driving end, the end face of the ontology is resisted against on the bottom wall of the opening.Turning spiral shell in this way
During bolt or nut, gasket has larger loaded area, while it will not be caused to interfere, easy to use.
In above-mentioned open-end wrench, the end face of the bottom surface of the mounting groove and the connecting portion is in cambered surface.So just
In the installation of gasket, and ensure that the two has larger binding face, stable connection.
In above-mentioned open-end wrench, the quantity of the mounting hole is two and is symmetrically distributed in the cell wall of the mounting groove
On, the both ends end face curved surface spherical in shape of the spring catch and the mid diameter of the spring catch are more than the hole of the mounting hole
Diameter.The end of spring catch itself has guiding role, is connected to the clamping that spring catch is realized in mounting hole, can be with during dismounting
Apply larger external force, the end of spring catch squeezed by the guiding role of sphere curved surface, its own is made to be retracted into connecting hole,
It smoothly takes out, consequently facilitating installation and removal operation.
In above-mentioned open-end wrench, the side wall of the opening is made of permanent magnet material, and the gasket uses metal
Iron or ferroalloy are made.There is magnetive attraction between the two in this way, after the side wall of shim proximate opening, can be sucked, so as to protect
Card gasket does not fall out or shakes, using reliable.
As an alternative, gasket of permanent magnet material can also be made, driving end is made of ferroalloy；Or
Person's gasket and driving end are made of permanent magnet material.
Compared with prior art, the utility model has the following advantages：
1st, by setting the gaskets of various different-thickness in the utility model so that a spanner just adapts to a variety of differences
Big ting model bolt, it is not easy to lose, it is easy to carry.
2nd, the open-end wrench in the utility model has the advantages that fork spanner, and can complete existing fork spanner well can be complete
Into all things, peak torque great efforts, using reliable.
3rd, one end of gasket is connected in mounting groove by spring catch in the utility model, then by magnetive attraction by gasket
It is pull-in on the side side wall of opening, gasket is effectively prevent to rotate or fall, improve the stability of gasket installation and use
Reliability.
Description of the drawings
Fig. 1 is the dimensional structure diagram of this open-end wrench.
Fig. 2 is the dimensional structure diagram one when this open-end wrench does not install gasket.
Fig. 3 is the partial enlargement structural representation at A in Fig. 2.
Fig. 4 is the dimensional structure diagram two when this open-end wrench does not install gasket.
In figure, 1, handle；2nd, driving end；21st, it is open；22nd, mounting groove；22a, mounting hole；3rd, gasket；31st, ontology；31a、
Medial surface；31b, lateral surface；31c, guide surface；32nd, connecting portion；32a, connecting hole；4th, spring catch.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figures 1 to 4, this open-end wrench includes handle 1, and the end of handle 1 has driving end 2, opened on driving end 2
Equipped with U-shaped opening 21；Mounting groove 22 is offered on the bottom wall of opening 21；Open-end wrench further includes the pad of several different-thickness
Piece 3, gasket 3 are in strip, and one end of gasket 3 is inserted into being detachably connected in mounting groove 22 and with the cell wall of mounting groove 22；
When one end of gasket 3 is inserted into mounting groove 22, the side of gasket 3 and the side side wall of opening 21 mutually recline and have between the two
There is the magnetive attraction to attract each other；The side that gasket 3 mutually reclines with 21 side walls of opening is medial surface 31a, and opposite another side is
Lateral surface 31b.Specifically, gasket 3 includes the ontology 31 in rectangular shaped post, and one end of ontology 31 has connecting portion 32, connection
Connecting hole 32a is offered in portion 32, mounting hole 22a is offered on the cell wall of mounting groove 22, open-end wrench, which further includes, to be passed through
Connecting hole 32a and the spring catch 4 being plugged in mounting hole 22a；The other end of ontology 31 has to be tilted by the outside side 31b in end face
The guide surface 31c of extension.It is processed relatively deeply at the plane of 21 side side walls of opening in the bottom of opening 21 in the present embodiment
Mounting groove 22 for setting-up piece 3, when for the bolt or nut of different size model, choose whether to install as needed
Gasket 3 and the gasket 3 for installing how much thickness, when 21 size of opening of spanner cannot meet stubborn smaller bolt or nut demand
When, 21 width of opening of spanner is reduced by the thickness of gasket 3, the bolt of various models thus can be easily twisted, reduce
Spanner quantity, is convenient for carrying it.Spring catch 4 has Telescopic, during connecting portion 32 is inserted into mounting groove 22, spring
Pin 4 is recovered in the connecting hole 32a of connecting portion 32, when the axis collinear of the axis and mounting hole 22a of spring catch 4, spring catch 4
End is popped up, and has been stuck in mounting hole 22a, realizes connection；During dismounting, 4 end of spring catch is squeezed by using tools such as fine needles,
Make its contraction, taking-up can be facilitated.
The side wall of the present embodiment split shed 21 is made of permanent magnet material, and gasket 3 is made of metallic iron or ferroalloy；
Magnetive attraction is formed between the two, is connected by magnetive attraction between the two, prevents gasket 3 from rotating or falling, and is improved gasket 3 and is installed
Stability and the reliability that uses.
As shown in Figures 2 and 3, in the present embodiment connecting portion 32 width be less than ontology 31 width, the both sides of ontology 31
Face and the side flush of driving end 2, the end face of ontology 31 are resisted against on the bottom wall of opening 21；Turning bolt or nut in this way
During, gasket 3 has larger loaded area, while it will not be caused to interfere, easy to use.The bottom surface of mounting groove 22
End face with connecting portion 32 is in cambered surface；It is convenient for the installation of gasket 3 in this way, and ensures that the two has larger binding face, connection
It is firm.The quantity of mounting hole 22a is two and is symmetrically distributed on the cell wall of mounting groove 22, and the both ends end face of spring catch 4 is in
The mid diameter of sphere curved surface and spring catch 4 is more than the aperture of mounting hole 22a；The end of spring catch 4 itself has guiding role,
It is connected to the clamping that spring catch 4 is realized in mounting hole 22a, during dismounting, can apply larger external force, pass through sphere curved surface
Guiding role squeezes the end of spring catch 4, its own is made to be retracted into connecting hole 32a, smoothly takes out, consequently facilitating peace installation and dismantling
Unload operation.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although there is used herein 1, handles；2nd, driving end；21st, it is open；22nd, mounting groove；22a, mounting hole；3rd, gasket；31、
Ontology；31a, medial surface；31b, lateral surface；31c, guide surface；32nd, connecting portion；32a, connecting hole；4th, the terms such as spring catch, but
It does not preclude the possibility of using other terms.It is new the use of these items is only for more easily describing and explaining this practicality
The essence of type；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (7)
1. a kind of open-end wrench, including handle (1), the end of the handle (1) has a driving end (2), on the driving end (2)
Offer U-shaped opening (21)；It is characterized in that, offer mounting groove (22) on the bottom wall of the opening (21)；The opening
Spanner further includes the gasket (3) of several different-thickness, and the gasket (3) can insert in strip, one end of the gasket (3)
Enter in the mounting groove (22) and be detachably connected with the cell wall of the mounting groove (22)；When one end of the gasket (3) is inserted into
When the mounting groove (22) is interior, the side side wall of the side of the gasket (3) and the opening (21) mutually reclines and between the two
With the magnetive attraction to attract each other.
2. open-end wrench according to claim 1, which is characterized in that the gasket (3) including be in rectangular shaped post ontology
(31), one end of the ontology (31) has connecting portion (32), and connecting hole (32a) is offered on the connecting portion (32), described
Mounting hole (22a) is offered on the cell wall of mounting groove (22), the open-end wrench, which further includes, can pass through the connecting hole (32a)
And it is plugged on the spring catch (4) in the mounting hole (22a).
3. open-end wrench according to claim 2, which is characterized in that the gasket (3) and described opening (21) side wall phase
The side to recline is medial surface (31a), and opposite another side is lateral surface (31b), and the other end of the ontology (31) has
The guide surface (31c) of extension is tilted by the outside side in end face (31b).
4. the open-end wrench according to Claims 2 or 3, which is characterized in that the width of the connecting portion (32) is less than described
The width of ontology (31), the two sides of the ontology (31) and the side flush of the driving end (2), the ontology (31)
End face is resisted against on the bottom wall of the opening (21).
5. the open-end wrench according to Claims 2 or 3, which is characterized in that the bottom surface of the mounting groove (22) and the company
The end face of socket part (32) is in cambered surface.
6. the open-end wrench according to Claims 2 or 3, which is characterized in that the quantity of the mounting hole (22a) for two and
It is symmetrically distributed on the cell wall of the mounting groove (22), the both ends end face curved surface spherical in shape of the spring catch (4) and the bullet
The mid diameter of spring pin (4) is more than the aperture of the mounting hole (22a).
7. according to the open-end wrench described in claims 1 or 2 or 3, which is characterized in that the side wall of the opening (21) uses permanent magnetism
Iron material is made, and the gasket (3) is made of metallic iron or ferroalloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434987.3U CN207578268U (en) | 2017-10-31 | 2017-10-31 | A kind of open-end wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434987.3U CN207578268U (en) | 2017-10-31 | 2017-10-31 | A kind of open-end wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207578268U true CN207578268U (en) | 2018-07-06 |
Family
ID=62730505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721434987.3U Active CN207578268U (en) | 2017-10-31 | 2017-10-31 | A kind of open-end wrench |
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| Country | Link |
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| CN (1) | CN207578268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664761A (en) * | 2021-08-11 | 2021-11-19 | 江苏科瑞恩自动化科技有限公司 | Watch crown lock attaches anti-rotation spanner |
-
2017
- 2017-10-31 CN CN201721434987.3U patent/CN207578268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664761A (en) * | 2021-08-11 | 2021-11-19 | 江苏科瑞恩自动化科技有限公司 | Watch crown lock attaches anti-rotation spanner |
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