CN206913023U - Rocking bar spanner - Google Patents
Rocking bar spanner Download PDFInfo
- Publication number
- CN206913023U CN206913023U CN201720492835.2U CN201720492835U CN206913023U CN 206913023 U CN206913023 U CN 206913023U CN 201720492835 U CN201720492835 U CN 201720492835U CN 206913023 U CN206913023 U CN 206913023U
- Authority
- CN
- China
- Prior art keywords
- plane
- force
- spanner
- driving end
- force application
- 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
It the utility model is related to a kind of spanner, disclose a kind of rocking bar spanner, it includes driving end (1) and spanner handle (2), force hole (11) is provided with driving end (1), force hole (11) is sequentially provided with the first force application plane (101), the second force application plane (102), the 3rd force application plane (103) and arc surface (104) along clockwise direction；The force side (21) of spanner handle (2) is interior from the bottom of driving end (1) through arc surface (104) insertion force hole (11), and hinged place be hinged by pin (3) is provided with torsion spring (4) between driving end (1) and spanner handle (2), and the pin joint that force side (21) can be in force hole (11) between driving end (1) and spanner handle (2) rotates.The utility model passes through the design internal to spanner handle (2) and driving end (1) so that four faces of spanner are in close contact with nut so that nut uniform force, while nut skidding during effective means rotating nut.
Description
Technical field
It the utility model is related to a kind of spanner, more particularly to a kind of rocking bar spanner.
Background technology
Spanner is a kind of conventional installation and extracting tool, its using lever principle twist bolt, screw, nut and other
Screw thread tightly holds the opening of bolt or nut or the hand tools of trepanning firmware.Spanner is generally formed with folder in the one or both ends of shank
Shank applies external force shank and applies external force, just can twist bolt or nut holds the opening or sets of holes of bolt or nut, edge during use
Screw thread rotation direction applies external force in shank, with regard to that can twist bolt or nut.
The clamp holder portion of existing spanner is typically the part with opening, and open interior is by two clamping planes and one
The arcwall face composition being connected with two clamping planes, in nutting, nut only clamps by two clamping planes, rotation process
In be easy to skidding occur, simultaneously because nut only two face stress, have the defects of unbalance stress.
Utility model content
The problem of the utility model is directed to the existing force inequality of spanner in the prior art, easily skidded, there is provided a kind of
Rocking bar spanner.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
Rocking bar spanner, including driving end and spanner handle, driving end is interior to be provided with the force hole that can be embedded in hex nut, and exert a force hole
The first force application plane, the second force application plane, the 3rd force application plane are sequentially provided with along clockwise direction and are arranged on the first force
Arc surface between plane and the 3rd force application plane；Spanner handle includes force side and holding end, and force side is from the bottom of driving end
Inserted through arc surface in force hole, torsion spring, force side are provided with by pin-hinges and hinged place between driving end and spanner handle
Pin joint that can be in force hole between driving end and spanner handle rotates.By the way that spanner handle is inserted inside driving end, make it
Be configured to the spacing of the another side of nut, can effective means nut skidding, while also cause when being exerted a force to nut, energy
Enough four faces to nut exert a force, and make that it is equally loaded, while on the one hand the design of torsion spring enables to rotating spanner head
When ease rotation, on the other hand it is also possible that the force side of spanner handle end can be brought into close contact with nut, realize to nut
Easily unscrew or tighten.
Preferably, the angle and the second force application plane between the first force application plane and the second force application plane are applied with the 3rd
Angle between power plane is 120 °.By the angle for being designed to cooperate with hex nut by three planes, so as to it
It can be brought into close contact with hex nut, realize plane-plane contact so that force balance is uniform, while can also reduce nut table and face
The abrasion of spanner.
Preferably, driving end include outline in circular arc upper end and with the integrally formed bottom in upper end,
Bottom includes front bulkhead and aft bulkhead, is provided between front bulkhead and aft bulkhead and inserts and communicated with force hole logical for spanner handle
The hinge hole of supply and marketing nail insertion is equipped with groove, front bulkhead and aft bulkhead.In spanner handle end insertion driving end, it can be in groove
Interior swing, so as to realize the clamping to nut with loosening.
Preferably, the end face of the force side of spanner handle be sequentially provided with along clockwise direction the first plane, the second plane and
3rd plane, second force application plane of second plane parallel to force hole.By the way that the second plane is designed to apply parallel to second
Power plane, so that the spanner can be carried out to nut to clamping, ensureing the uniform force during being exerted a force to nut, turning
Dynamic stability.
Preferably, pass through circular arc mistake between the first plane and the second plane and between the second plane and the 3rd plane
Cross connection.Three planes are connected by arc transition, so that spanner handle is during rotating nut, can be more smoothly
It is moved on next face of nut, nut is exerted a force again, retrieve the abrasion between spanner handle end and nut outer surfaces, increases
Big spanner service life.
Preferably, the first plane is mutually perpendicular to the second plane, it is in 120-150 ° between the 3rd plane and the second plane
Angle.First plane and the 3rd plane are designed to this kind of form, the width of spanner handle force side can be reduced, pulled so as to increase
Distance of the handle around be hinged spot wobble.
Preferably, spanner handle is provided with the torsional spring slot for being used for disposing torsion spring, it is provided with torsional spring slot and is inserted for torsion spring end
Torsion spring hole.Torsional spring slot enables to the structure of whole spanner compacter, reduces spanner volume, makes it more dexterous convenient；
Torsion spring is arranged in torsional spring slot simultaneously so that the front bulkhead and aft bulkhead of spanner handle and driving end being capable of plane-plane contacts so that
Spanner handle is more stable in rotation process.
The utility model has significant technique effect as a result of above technical scheme：
The utility model passes through to the design inside spanner handle and driving end so that four faces of spanner closely connect with nut
Touch so that nut uniform force, while nut skidding during effective means rotating nut.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is Fig. 1 front view.
Fig. 3 is Fig. 1 explosive view.
Fig. 4 is the structural representation of driving end in Fig. 1.
Fig. 5 is the structural representation of driving end other direction in Fig. 1.
Fig. 6 is Fig. 4 or Fig. 5 side view.
Fig. 7 is the structural representation of spanner handle in Fig. 1.
Fig. 8 is Fig. 7 front view.
The toponym that each number designation is referred in accompanying drawing is as follows：1-driving end, 2-spanner handle, 3-pin, 4-
Torsion spring, 11-force hole, 12-upper end, 13-bottom, 21-force side, 22-holding end, the 101-the first force are flat
It is face, the 102-the second force application plane, the 103-the three force application plane, 104-arc surface, the 201-the first plane, 202-the second flat
Face, the 203-the three plane, 131-front bulkhead, 132-aft bulkhead, 133-groove, 134-hinge hole, 41-torsional spring slot,
42-torsion spring hole.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Rocking bar spanner, as Figure 1-Figure 5, including driving end 1 and spanner handle 2, interior be provided with of driving end 1 can be embedded in hexagonal spiral shell
Female force hole 11, the hole wall in force hole 11 are sequentially provided with the first force application plane 101, the second force application plane along clockwise direction
102nd, the 3rd force application plane 103 and the arc surface 104 being arranged between the first force application plane 101 and the 3rd force application plane 103,
Angle and the second force application plane 102 and the 3rd force between wherein the first force application plane 101 and the second force application plane 102 is flat
Angle between face 103 is 120 °, so that when rotating hex nut, the first force application plane 101, the second force application plane
102nd, three faces that the 3rd force application plane 103 can be all the time with nut are in close contact, and on the one hand play the position-limiting action to nut,
On the other hand the force between face and face can be realized so that spanner uniform force application, nut uniform force.
As shown in fig. 6, in the present embodiment driving end 1 include outline in circular arc upper end 12 and with upper end 12 1
Body formed bottom 13, bottom 13 include front bulkhead 131 and aft bulkhead 132, set between front bulkhead 131 and aft bulkhead 132
There is the groove 133 for inserting for spanner handle 2 and being communicated with force hole 11, supply and marketing nail 3 is equipped with front bulkhead 131 and aft bulkhead 132
The hinge hole 134 of insertion.
As shown in Figs. 7-8, spanner handle 2 includes force side 21 and holding end 22, and force side 21 is worn from the bottom of driving end 1
Cross in the insertion force of arc surface 104 hole 11, be hinged between driving end 1 and spanner handle 2 by pin 3 and hinged place is provided with torsion spring 4,
Force side 21 can rotate in the interior pin joint between driving end 1 and spanner handle 2 in force hole 11.Wherein spanner handle 2, which is provided with, uses
In the torsional spring slot 41 of placement torsion spring 4, the interior torsion spring hole 42 being provided with for the insertion of the end of torsion spring 4 of torsional spring slot 41, the setting of torsional spring slot 41
Enable to the structure of whole spanner compacter, reduce spanner volume, make it more dexterous convenient；Torsion spring 4 is arranged on simultaneously
In torsional spring slot 41 so that the front bulkhead 131 and aft bulkhead 132 of spanner handle 2 and driving end 1 being capable of plane-plane contacts so that spanner
Handle 2 is more stable in rotation process.
The end face of the force side 21 of spanner handle 2 is sequentially provided with the first plane 201, second along clockwise direction in the present embodiment
The plane 203 of plane 202 and the 3rd, second force application plane 102 of second plane 202 parallel to force hole 11.First plane 201 with
Connected between second plane 202 and between the second plane 202 and the 3rd plane 203 by arc transition.First plane 201
It is mutually perpendicular to the second plane 202, is in 120-150 ° of angle between the 3rd plane 203 and the second plane 202, the first plane 201
The width of force side 21 for enabling to spanner handle 2 with the set-up mode of the 3rd plane 203 reduces, and is on the one hand easy to it to insert spanner
In first 1 groove 133, on the other hand enable the force side 21 more flexible when the groove 133 can rotate, increase spanner
Handle 2 avoids the phenomenon blocked to nut during nut rotation around the distance of be hinged spot wobble.
During using the wrench, the force hole 11 of the spanner is enclosed on hex nut, now the three of hex nut face point
The first force application plane 101, the second force application plane 102, the 3rd force application plane 103 not with the hole 11 that exerts a force are in close contact, while with
The second plane 202 on hex nut with the face that the second force application plane 102 is in contact and the force side 21 of spanner handle 2 is in close contact,
Rotating spanner handle 2 so that the force side 21 of spanner handle 2 promotes hex nut to rotate clockwise, after hex nut rotates, outside nut
Wall extrudes the force side 21 of spanner handle 2 so that spanner handle 2 overcomes the elastic force of torsion spring 4 to the contract of groove 133, when it is retracted to
During certain position, you can cross the corner of hex nut, and next plane of hex nut is returned under the effect of torsion spring 4
On, with this circulate operation, realize the fastening to nut.
In a word, preferred embodiment of the present utility model is the foregoing is only, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work, it should all belong to the covering scope of the utility model patent.
Claims (7)
1. rocking bar spanner, including driving end (1) and spanner handle (2), it is characterised in that：Hexagonal can be embedded in by being provided with driving end (1)
The force hole (11) of nut, force hole (11) are sequentially provided with the first force application plane (101), the second force application plane along clockwise direction
(102), the 3rd force application plane (103) and the circle being arranged between the first force application plane (101) and the 3rd force application plane (103)
Cambered surface (104)；Spanner handle (2) includes force side (21) and holding end (22), and force side (21) pass through from the bottom of driving end (1)
In arc surface (104) insertion force hole (11), it is hinged between driving end (1) and spanner handle (2) by pin (3) and hinged place is set
There is torsion spring (4), the pin joint that force side (21) can be in force hole (11) between driving end (1) and spanner handle (2) rotates.
2. rocking bar spanner according to claim 1, it is characterised in that：First force application plane (101) and the second force application plane
(102) angle between angle and the second force application plane (102) and the 3rd force application plane (103) between is 120 °.
3. rocking bar spanner according to claim 1, it is characterised in that：Driving end (1) includes outline in the upper of circular arc
End (12) and include front bulkhead (131) and aft bulkhead with upper end (12) integrally formed bottom (13), bottom (13)
(132) groove for inserting for spanner handle (2) and being communicated with force hole (11), is provided between front bulkhead (131) and aft bulkhead (132)
(133), it is equipped with the hinge hole (134) that supply and marketing nail (3) inserts on front bulkhead (131) and aft bulkhead (132).
4. rocking bar spanner according to claim 1, it is characterised in that：The end face of the force side (21) of spanner handle (2) is along suitable
Clockwise is sequentially provided with the first plane (201), the second plane (202) and the 3rd plane (203), and the second plane (202) is parallel
In the second force application plane (102) of force hole (11).
5. rocking bar spanner according to claim 4, it is characterised in that：Between first plane (201) and the second plane (202)
And second be connected by arc transition between plane (202) and the 3rd plane (203).
6. the rocking bar spanner according to claim 4 or 5, it is characterised in that：First plane (201) and the second plane (202)
It is mutually perpendicular to, is in 120-150 ° of angle between the 3rd plane (203) and the second plane (202).
7. according to the rocking bar spanner described in claim 1-4 any one, it is characterised in that：Spanner handle (2), which is provided with, to be used to pacify
The torsional spring slot (41) of torsion spring (4) is put, the torsion spring hole (42) for the insertion of torsion spring (4) end is provided with torsional spring slot (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492835.2U CN206913023U (en) | 2017-05-05 | 2017-05-05 | Rocking bar spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492835.2U CN206913023U (en) | 2017-05-05 | 2017-05-05 | Rocking bar spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206913023U true CN206913023U (en) | 2018-01-23 |
Family
ID=61305380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720492835.2U Expired - Fee Related CN206913023U (en) | 2017-05-05 | 2017-05-05 | Rocking bar spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206913023U (en) |
-
2017
- 2017-05-05 CN CN201720492835.2U patent/CN206913023U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20200505 |