CN208268203U - Automatic anti-loosing screw nut and dedicated dismantling device - Google Patents
Automatic anti-loosing screw nut and dedicated dismantling device Download PDFInfo
- Publication number
- CN208268203U CN208268203U CN201820439841.6U CN201820439841U CN208268203U CN 208268203 U CN208268203 U CN 208268203U CN 201820439841 U CN201820439841 U CN 201820439841U CN 208268203 U CN208268203 U CN 208268203U
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- CN
- China
- Prior art keywords
- nut
- automatic anti
- dismantling device
- screw nut
- loosing screw
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Abstract
The utility model is automatic anti-loosing screw nut and dedicated dismantling device, and nut is an entirety, the half-nut comprising two adjacent threaded hole misalignments being connected as one.Use dedicated dismantling device, it include calibration baffle and corresponding extruding protrusion, the two mating reaction makes the screw thread centerline hole of dislocation point-blank, thus can smoothly it be installed on screw rod as plain nut, after tightening disengaging tool, the screw thread of upper and lower half-nut respectively will can be close to the side of corresponding screw flight, and the gap of the other side will increase, due to the dislocation of screw thread centerline hole, meeting is so that the opposite face of upper and lower nut is close to simultaneously, the locking to screw rod is formed, to achieve the purpose that anti-loosening.
Description
Technical field
The utility model relates to a kind of automatic anti-loosing screw nut and dedicated dismantling devices, belong to machanical fastener technical field.
Background technique
Nut or nut are threaded together the part for playing the role of fastening with screw rod or bolt, and nut, which screws on screw rod, is
With it is their own be threaded through rotation be mutually twisted together, be spun on them successfully together, when tightening they
Respective screw thread centerline hole almost will on the same line, and flight pitch and cross sectional shape are consistent, and want between screw thread
There is a certain interval, that is, the diameter of thread of nut is more slightly bigger than screw flight diameter.It just can be used for the company of fastening in this way
It connects on two machine components with through-hole.But due to the presence in gap, plain nut is when exposed to external forces, especially outer
When boundary has compared with strong vibration, lateral turn power can be generated, often to loosen between bolts and nuts, it is also possible to send out
The phenomenon that raw bolt abjection nut thread hole, to cause mechanical breakdown, some will cause serious consequence.There are many improve at present
The nut of type, though there is improvement, effect is not too ideal.More famous is Hadlock fastener, is by two spiral shells in fact
What mother worked together, the convex cone for having opposite thread centerline hole bias on a nut, another nut is corresponding with relatively
The concave cone of the positive heart of screw thread centerline hole, wherein second nut locks first nut by the pressure of eccentric conical, to reach
To locking purpose.This nut is the best one kind of current anti-loosing effect.But the required precision for making this nut is high, right
The size that different materials require also is not quite similar.Ideal effect is reached, difficulty of processing is very big, higher cost.In use process
Two nuts to be twisted, also support are required to hold suitable torsion, excessive or too small power is all undesirable, therefore also wastes installation cost,
Dismantling process is also cumbersome.In addition it squeezes between convex-concave cone when installing first time and mutually wears, be not suitable for reusing.
Summary of the invention
The utility model automatic anti-loosing screw nut and dedicated dismantling device overcome disadvantage mentioned above, and nut is an entirety, include
The half-nut of two adjacent threaded hole misalignments being connected as one.So-called half-nut can be a part of nut,
It can be a full nut, be a part of entire automatic anti-loosing screw nut herein, therefore referred to as half-nut.Using dedicated
Dismantling device includes to calibrate baffle and corresponding extruding protrusion,
Calibration baffle, which is fixed on, is equivalent to conventional hexagonal nut tool when in use on a side of clamping nut, and squeezes
Pressure protrusion is set on its opposite side, and when external force, which is transmitted to, squeezes protrusion, the threaded hole center of dislocation is made under the two mating reaction
Line point-blank, thus can be smoothly installed on screw rod as plain nut, after tightening disengaging tool, above and below
The respective corresponding screw thread side of half-nut can abut, and the gap of the other side will increase, and due to the dislocation of screw thread centerline hole, can make
The correspondence flank for obtaining upper and lower nut is close in opposite directions, forms the automatic locking to screw rod, thus reach tight purpose, therefore
It is dynamic to be called automatic loose proof.Threaded hole misalignment has following form: the two neighboring half-nut threaded hole center line angle
Dislocation, intersects and forms angle；The two neighboring half-nut threaded hole position of center line dislocation, in parallel and keeps spacing.Separately
The half-nut number to connect together outside is also not necessarily two can be more, consider taken up space size, generally are as follows: adjacent connection
The half-nut sum being integrated is two, and two adjacent half-nut sums being connected as one are three.To dedicated
Dismantling device requirement, the dedicated dismantling device conduct external force to extruding protrusion again to the half-nut stress point by screw rod
On, which can increase upper component on existing tool.Applying external force to the nut, also there are many forms, main
Have: the dedicated dismantling device conducts external force to squeezing protrusion again on the half-nut stress point, by convex by bolt
Wheel conduction external force is to extruding protrusion and extremely on the half-nut stress point.And it is applied to outer in the extruding protrusion on tool
Power is transmitted by sleeve cooperation ripping bar.In order to easy to operate, the ripping bar and sleeve are separation member.When ripping bar is by automatic loose proof spiral shell
Mother is installed on tool after calibration clamps, and ripping bar can detach, and is more convenient the tool in this way and can smoothly unclamp to tighten nut.This
Utility model automatic anti-loosing screw nut uses dedicated dismantling device, easily can be removed and be loaded onto.The utility model is prevented automatically
Loose nut processing method is similar with plain nut processing, and difficulty of processing is weak to be higher than plain nut, and the utility model is prevented automatically
Loose nut biggest advantage is that it is not necessarily in close contact with the workpiece to be tightened, loosens prevented also from extraneous vibration
And fall off, using especially when this is suitable for and is adjustable to elasticity in workpiece portion elasticity of some needs to fastening
It is important.
The description of the illustrative embodiments of principle according to the present utility model is intended to read in conjunction with the accompanying, and attached drawing will be made
For a part of entire written description.In the description of the embodiments of the present invention disclosed herein, to the direction of part
Or any reference oriented or meaning are intended merely to the convenience of description, and not limit the scope of the utility model.For example, containing
The relative terms of upper and lower, left and right, inside and outside, remote, close etc. be understood to refer to the place in subsequent description attached drawing to.These
Relative terms merely to description convenience, and be not required for equipment specific direction construction, unless explicitly stated otherwise.In addition to
The shape or form of object known to description reference masses.
Detailed description of the invention
Fig. 1 is the connected two half-nut threaded hole position of center line dislocation front schematic view of automatic anti-loosing screw nut；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the right view of Fig. 1；
Fig. 5 is any angle perspective view of Fig. 1；
Fig. 6 is that the two half-nut threaded hole position of center line dislocation that are connected of automatic anti-loosing screw nut are fixed to front on screw rod
Perspective view；
Fig. 7 is Fig. 6 along the direction m partial cutaway schematic；
Fig. 8 is the front schematic view of two half-nut threaded hole center line angular misalignment openings inwardly；
Fig. 9 is connected to two half-nut threaded hole center line angular misalignments opening and is installed to part section on screw rod inwardly to show
It is intended to；
Figure 10 is connected to the front schematic view of two half-nut threaded hole center line angular misalignment openings outwardly；
Figure 11 is specific purpose tool stereoscopic schematic diagram；
Automatic anti-loosing screw nut is assembled the schematic diagram on specific purpose tool by Figure 12；
Fig. 1 each section title into Figure 12: lower half-nut 1, upper half-nut 2, connection wall 3, face gap 4, gap 5, lower half
Nut thread 6, upper half nut thread 7, upper right thread contact area 8, lower-left thread contact area 9, bottom right thread contact area 10, upper left
Thread contact area 11, stress hole 13, dedicated dismantling device 14, spanner contact surface 15, calibration baffle 16, squeezes screw flight 12
Bolt fixed block 17 squeezes protrusion 18, sleeve 19, ripping bar 20, squeezes bolt 21, screw rod 22, lower thread center line A, upper screw thread
Center line B, pitch line V.
Specific embodiment
Embodiment one, as shown in figs. 1-7, the nut are wrong by two adjacent threaded hole position of center line being connected as one
The half-nut of position is constituted, and the screw thread centerline hole A of lower half-nut 1, screw thread the centerline hole B, A and B of upper half-nut 2 are parallel and protect
Hold suitable spacing, be linked together between upper and lower half-nut 2,1 by connection wall 3, and have face gap 4, connection wall 3 and it is upper,
Gap 5 is formed between lower half-nut 2,1, Fig. 3, which can be seen that, sets stress hole 13 on half-nut 2.Pass through dedicated dismantling device 14
It can attach it on screw rod 22, at A at this time and B on the same line, when assembly also exists with the thread center line V of screw rod 22
On same straight line.As shown in Figure 6.Fig. 6 unclamps dedicated dismounting it can thus be seen that working as along the partial sectional view such as Fig. 7 in the direction m
Tool 14, upper and lower half-nut 2,1 respective screw thread upper half nut thread 7, lower half nut thread 6 are in contact with screw flight 12,
Upper right thread contact area 8, lower-left thread contact area 9, bottom right thread contact area 10, upper left thread contact area 11 are formed, wherein right
Gap increases between lower thread contact area 10,11 screw thread of upper left thread contact area, and upper right thread contact area 8 and lower-left thread contact
Area 9 is to be in close contact area, and distance is zero between screw thread, is formed to the automatic locking of screw rod 22, as long as therefore the nut be installed
On screw rod 22, it is not necessary to be tightly attached on workpiece, anyway the external world, which vibrates, also all will not loosen or fall.Connection wall 3 connects
Lower half-nut 1 and upper half-nut 2, have certain elasticity and hardness, it can carry out thickness according to size, the material of nut and set
Meter can also be divided into multiple connecting plates and connect half-nut up and down, and the position of setting is also not limited on one side, Ke Yishe
Meter is on angle, and gap 5 increases the elasticity of connection wall 3 and adjusts so as to more convenient in dismounting, and face gap 4 is also easy disassembly.
Stress hole 13 is strip cylinder pit or spherical pit, squeezes the extruding stress of protrusion 18 without sliding to facilitate.Such as Figure 11
With 12, dedicated dismantling device 14 includes calibration baffle 16, corresponding extrudings protrusion 18, squeezes bolt fixed block 17, extruding bolt
21, sleeve 19, ripping bar 20, spanner contact surface 15.It squeezes bolt fixed block 17 and is equipped with screw hole compatible with bolt 21 is squeezed.Peace
Poly- loading nut step is in this way: being first aligned the side of lower half-nut 1 with spanner contact surface 15, stress hole 13 and extruding protrusion 18 are right
Just, left hand can hold the handle of dedicated dismantling device 14, and the right hand pulls ripping bar 20, band moving sleeve 19 and squeeze bolt 21(they are
Connected) rotation, it ultimately forms and squeezes protrusion 18 to the generation extruding of stress hole 13, force half-nut 2 toward calibration 16 side of baffle
To leaning on, due to the design of calibration baffle 16 dimensionally, so that when upper half-nut 2 is close to toward calibration 16 direction of baffle, lower spiral shell
Line center line A is just overlapped with upper thread center's line B, at this moment can extract ripping bar 20 out, can be directed at screw rod 22 and install, tear open
Except when it is similar with this process.Here screw rod 21 can be replaced with protrusion 18 and extruding bolt fixed block 17 is squeezed with cam structure
It changes, is not drawn into concrete structure diagram in this example.
Embodiment two is shown in Fig. 8 and Fig. 9, as seen from Figure 8, lower thread center's line of lower half-nut 1 and upper half-nut 2
A, upper thread center's line B is not parallel, generates angular misalignment, and A intersects with B generates angle k, and this structure is referred to as interior
Fig. 9 stance is presented when it is fixed to screw rod 22 in hatch frame, and Fig. 9 is similar with Fig. 7, is partial sectional view, wherein upper right spiral shell
Line contact zone 8 and lower-left thread contact area 9 form gap, and bottom right thread contact area 10 is closely to connect with upper left thread contact area 11
It touches area and locking is formed to screw rod 22, to be fastened on screw rod 22.The angle of A and B at this time are k1, k1 < k.Its disassembly process
It is similar with embodiment one.
Embodiment three, is shown in Figure 10, and lower thread center's line A, the upper thread center's line B of lower half-nut 1 and upper half-nut 2 are not yet
It is parallel, but generates angular misalignment, A and B generates angle k2, and this structure is referred to as external-open mouth structure, with embodiment two
The mechanism of action it is identical, only squeeze stress point position be varied.
Although the specific example for including the currently preferred mode for implementing the utility model is described, this field
Technical staff be appreciated that many flexible and displacement there are above-mentioned technology.It should be appreciated that not departing from the utility model
In the case where scope, it can use other embodiments, and modification structurally and functionally can be carried out.Therefore, this is practical new
The principle and range of type should be broadly construed as described in appended claims.
Claims (10)
1. a kind of automatic anti-loosing screw nut, it is characterised in that: automatic anti-loosing screw nut is installed by dedicated dismantling device or dismantled in phase
On the screw rod answered, the automatic anti-loosing screw nut is the half-nut of two adjacent threaded hole misalignments being connected as one.
2. automatic anti-loosing screw nut as described in claim 1, it is characterised in that: the two neighboring half-nut threaded hole centerline angles
Degree dislocation, intersects and forms angle.
3. automatic anti-loosing screw nut as described in claim 1, it is characterised in that: the two neighboring half-nut screw thread centerline hole position
Dislocation is set, in parallel and keeps spacing.
4. automatic anti-loosing screw nut as described in claim 1, it is characterised in that: two adjacent half-nuts being connected as one are total
Number is two.
5. automatic anti-loosing screw nut as described in claim 1, it is characterised in that: the adjacent half-nut sum being connected as one is
Three.
6. a kind of dedicated dismantling device of automatic anti-loosing screw nut, it is characterised in that: automatic anti-loosing screw nut is pacified by dedicated dismantling device
Dress is dismantled on corresponding screw rod, and the dedicated dismantling device includes calibration baffle and corresponding extruding protrusion, calibration gear
Plate, which is fixed on, is equivalent to conventional hexagonal nut tool when in use on a side of clamping nut, and it is right set on its to squeeze protrusion
Bian Shang, when external force, which is transmitted to, squeezes protrusion, the two mating reaction makes the half-nut in the automatic anti-loosing screw nut misplace
Screw thread centerline hole is point-blank.
7. the dedicated dismantling device of automatic anti-loosing screw nut as claimed in claim 6, it is characterised in that: the dedicated dismantling device is logical
It crosses screw rod and conducts external force to squeezing protrusion again on the half-nut stress point.
8. the dedicated dismantling device of automatic anti-loosing screw nut as claimed in claim 6, it is characterised in that: the dedicated dismantling device is logical
It crosses cam and conducts external force to extruding protrusion and extremely on the half-nut stress hole.
9. the dedicated dismantling device of automatic anti-loosing screw nut as claimed in claim 6, it is characterised in that: be applied to described on tool
The external force squeezed in protrusion is transmitted by sleeve cooperation ripping bar.
10. the dedicated dismantling device of automatic anti-loosing screw nut as claimed in claim 9, it is characterised in that: the ripping bar is with sleeve
Separation member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820439841.6U CN208268203U (en) | 2018-03-30 | 2018-03-30 | Automatic anti-loosing screw nut and dedicated dismantling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820439841.6U CN208268203U (en) | 2018-03-30 | 2018-03-30 | Automatic anti-loosing screw nut and dedicated dismantling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268203U true CN208268203U (en) | 2018-12-21 |
Family
ID=64676507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820439841.6U Expired - Fee Related CN208268203U (en) | 2018-03-30 | 2018-03-30 | Automatic anti-loosing screw nut and dedicated dismantling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374980A (en) * | 2019-07-22 | 2019-10-25 | 新昌县远轴工业设计有限公司 | A kind of fast self-locking formula nut structure and its assembly and application method |
-
2018
- 2018-03-30 CN CN201820439841.6U patent/CN208268203U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374980A (en) * | 2019-07-22 | 2019-10-25 | 新昌县远轴工业设计有限公司 | A kind of fast self-locking formula nut structure and its assembly and application method |
| CN110374980B (en) * | 2019-07-22 | 2020-04-10 | 温州思林工业设计有限公司 | Quick self-locking nut structure and assembling and using method thereof |
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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 |
Granted publication date: 20181221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |