CN207598691U - Braking and locking nut - Google Patents
Braking and locking nut Download PDFInfo
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- CN207598691U CN207598691U CN201720965947.5U CN201720965947U CN207598691U CN 207598691 U CN207598691 U CN 207598691U CN 201720965947 U CN201720965947 U CN 201720965947U CN 207598691 U CN207598691 U CN 207598691U
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- braking
- nut
- tooth side
- screw thread
- external screw
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- 230000009471 action Effects 0.000 claims abstract description 13
- 230000008719 thickening Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 3
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- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 244000248349 Citrus limon Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model is related to one kind in thread connection, the braking and locking nut 1 of screw thread is braked with braking member 4, the braking and locking nut 1, which is included in nut 1, sets head as inclined-plane or the braking member 4 of the conical surface 41, under the action of thrust device 3, the inclined-plane or the conical surface 41 on 4 head of braking member are engaged with the boundary line 24 of the 23 tooth side 22 of crest of external screw thread 21, brake, lock, wherein, braking member 4 is radially arranged in 12 position of tooth side of the internal thread 11 of nut 1.The utility model has the advantage of：Head is provided in nut 1 as inclined-plane or the braking member 4 of the conical surface 41, using the inclined-plane braking principle of machinery, under the action of thrust device 3, the inclined-plane or the conical surface 41 on the head of braking member 4 are engaged with the boundary line 24 of the 23 tooth side 22 of crest of external screw thread 21, brake, lock external screw thread 21, make braking and locking nut 1 in the state of transverse load, alternating load, oscillating load, ensure braking and locking thread connection.
Description
Technical field
The utility model is related to the braking and locking nuts of a kind of nut anti-looseness technology, more particularly, to thread connection.
Background technology
It in common thread connection, will be pre-tightened when the overwhelming majority is threadably coupled within assembling, it is therefore intended that enhancing connection
It the rigidity that connects, compactness, anti-loose ability and prevents from being slided by transverse load, the bolt-connection of oscillating load.
At present, there are many stop nut, principle is：Increase the contact area of nut and connected compcnent, increase loosening
The moment of resistance；The embedded non-metallic insert in nut, brakes screw thread with non-metallic insert, is locked and increased the resistance of loosening
Square；Double nut is locked；Change threaded engagement state and increase the moment of resistance of loosening；Etc..But above-mentioned overwhelming majority stop nut
It does not prevent from being slided by transverse load, alternating load, the bolt-connection of oscillating load.Its basic reason is：Thread connection
The moment of friction under the action of by transverse load, alternating load, oscillating load, coupling screw thread by transverse load, alternating load,
The external force of oscillating load overcomes, and internal and external threads occur to slide, slide；Change threaded engagement state and increase the moment of resistance of loosening,
This structure anti-thread connection can effectively loosen, but change threaded engagement state, make the internal thread strength reduction of nut, screw thread connection
Connect decrease.So mechanic author to design screw bolt and nut in thread connection screw lemon it is next not by transverse load,
Under the action of alternating load, oscillating load, the nut apparatus that is subjected to displacement.
Utility model content is
Technical problem to be solved in the utility model is to be directed to the present situation of the prior art and provide a kind of nut, bolt connection
The locking nut that internal and external threads are not slided, slid under the action of by transverse load, alternating load, oscillating load is connected on, it
Bolt and nut connection can be effectively performed, and bolt and spiral shell will not occur under transverse load, alternating load, oscillating load effect
The nut apparatus of female relative displacement, the locking nut is sturdy and durable, does not weaken screw strength, is hardly damaged bolt and nut connection
Screw thread, easy installation, easy maintaining.
Technical solution is used by the utility model solves above-mentioned technical problem：In thread connection, a kind of braking
The externally threaded locking nut of element braking bolt, it is characterised in that：It is included in nut and head is set for inclined-plane or the conical surface
Braking member and thrust device, under the action of thrust device, the inclined-plane or the conical surface on braking member head and the outer spiral shell of bolt
The crest of line and the occlusion of the boundary line of externally threaded tooth side, braking, locking, wherein, braking member is radially arranged in the interior of nut
The tooth side of screw thread makes the inclined-plane on braking member head or the externally threaded crest and externally threaded tooth side of the conical surface and bolt
Boundary line is engaged.
The tooth side that above-mentioned braking member is radially arranged in the internal thread of nut refers to that the center line of braking member is fallen
The intermediate region of the tooth side of the internal thread of nut.
The head of braking member is engaged with the boundary line of externally threaded crest tooth side for inclined-plane or the conical surface, brakes, locks
Using the inclined-plane braking principle of machinery, braking member is radially arranged in the tooth side of the internal thread of nut, in thrust device
Under effect, the inclined-plane or the conical surface on braking member head are engaged, brake, locking the boundary line of externally threaded crest tooth side, so as to make
Dynamic locking screw connection.
The braking member of above-mentioned braking and locking nut has the head of inclined-plane or the conical surface, and braking member passes through spiral shell in nut
Moved radially under the action of line thrust device or other thrust devices, the inclined-plane or the conical surface on the head of braking member with it is externally threaded
The boundary line contact of crest tooth side, under thrust device effect, the inclined-plane or the conical surface on the head of braking member press externally threaded
The boundary line of crest tooth side, so as to braking and locking thread connection.
The braking member of above-mentioned braking and locking nut is the screw with conical surface head, and thrust device is filled for screw thrust
It puts, screw hole, tightening screw, the head conical surface and the externally threaded crest of screw is set in the tooth side of the internal thread of nut body
The boundary line contact of tooth side, occlusion, braking, locking external screw thread, so as to braking and locking thread connection.
The preposition neonychium in conical surface head of the clamping screw of the braking member of above-mentioned braking and locking nut, preposition neonychium
For：The conical surface head of neonychium or screw stick neonychium apply upper protective film or plate soft metal layer or burn-on soft metal layer or
It burn-ons plastic layer, the purpose is to prevent screw from damaging external screw thread in the boundary line for squeezing externally threaded crest tooth side.
The thrust device that the thrust device of above-mentioned braking and locking nut is made of screw or swivel nut and spring, thrust device
It is inside from nut gabarit, the tooth side of the internal thread of nut, and hole same with braking member, coaxial line are radially arranged in, is screwed
Screw or swivel nut, screw or swivel nut press spring, and spring presses braking member again, the inclined-plane or the conical surface on braking member head with it is outer
The boundary line contact of the crest tooth side of screw thread, occlusion, braking, locking external screw thread, so as to braking and locking thread connection, adjusting screw
Or swivel nut spinning spring dynamics, that is, adjust braking member braking and locking screw thread degree.
The thrust device of above-mentioned braking and locking nut, can be with axis in the nut of big specification or the nut lifting force device of thickening
To setting, the thrust of thrust device acts on the braking of the tooth side for the internal thread for being radially arranged in nut by transfer medium
Element is contacted with the boundary line of externally threaded crest tooth side by the inclined-plane or the conical surface on braking member head, be engaged, braked, locked
External screw thread, so as to braking and locking thread connection.
The braking member of above-mentioned braking and locking nut is distributed in the radial orientation of nut, and rides respectively, and externally threaded
Crest contacts, with the boundary line of carrying tooth side and non-bearing tooth side under the action of thrust device, the inclined-plane on braking member head
Or the conical surface is close to the boundary line of externally threaded crest tooth side, is engaged, brakes, locks external screw thread.
External screw thread has carrying tooth side and non-bearing tooth side, and external screw thread has crest and carries the boundary line of tooth side, have crest with
The boundary line of non-bearing tooth side, when the inclined-plane on main braking member head or the conical surface and the friendship of externally threaded crest and carrying tooth side
Boundary line contact, occlusion, braking, locking external screw thread are effectual, if being radially arranged in the tooth side of the internal thread of nut
Braking member, the tooth side that auxiliary braking element is arranged on the internal thread of nut is separated, with externally threaded crest and non-holding
It carries the boundary line contact of tooth side, occlusion, braking, lock external screw thread, in this way, main braking member is braked externally threaded crest and held
The boundary line of tooth side is carried, auxiliary braking element brakes the boundary line contact, occlusion, system of externally threaded crest and non-bearing tooth side
Dynamic, locking external screw thread, seems, an externally threaded crest and the boundary line and crest of carrying tooth side and the boundary of non-bearing tooth side
It rides respectively on line main braking member and auxiliary braking element.
Compared with prior art, the advantage of the invention is that：Braking of the head for inclined-plane or the conical surface is provided in nut
Element, under the action of thrust device, the boundary line on the inclined-plane or the conical surface on the head of braking member and externally threaded crest tooth side
Occlusion, braking, locking external screw thread, wherein, braking member is radially arranged in the tooth side of the internal thread of nut.The spiral shell of the present invention
Mother is under the action of transverse load, alternating load, oscillating load, using the inclined-plane on the head of the braking member of inclined-plane braking principle
Or the conical surface is engaged with the boundary line of externally threaded crest tooth side, brakes, locking external screw thread, ensures braking and locking thread connection.
Description of the drawings
Fig. 1 is the utility model embodiment one；
Fig. 2 is the utility model embodiment two；
Fig. 3 is the utility model embodiment three；
In figure：1st, nut, 11, internal thread, 12, the tooth side of internal thread, 13, the tooth bottom of internal thread, 14, the tooth of internal thread
Top, 2, bolt, 21, external screw thread, 22, external screw thread tooth side, 23, external screw thread crest, 24, the boundary line of tooth side crest, 3, thrust dress
It puts, 31, screw, 32, screw hole, 33, spring, 4, braking member, 41, the inclined-plane or the conical surface on braking member head.
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Embodiment one：
As shown in Figure 1, being the threaded connection device of bolt 2 and nut 1, braking member 4 is radially arranged in the interior spiral shell of nut 1
12 position of tooth side of line 11 sets screw hole 31 in the radial position at 12 position of tooth side of the internal thread of braking and locking nut 1,
Braking member 4 has 41 head of the conical surface, and thrust device 3 is made of screw hole 32 and screw 31, and screw 31 is both thrust device 3
Screw 31, and be braking member 4.
Screw 31 screws in screw hole 32 from 1 gabarit of nut, and the conical surface 41 on 31 head of screw contacts the external screw thread 21 of bolt 2
Crest 23 tooth side 22 boundary line 24, occlusion, braking, locking external screw thread 21 ensure braking and locking thread connection.
Embodiment two：
As shown in Fig. 2, being the threaded connection device of bolt 2 and nut 1, braking member 4 is radially arranged in the interior spiral shell of nut 1
12 position of tooth side of line 11 sets screw hole 32 in the radial position at 12 position of tooth side of the internal thread of braking and locking nut 1
With the coaxial hole coordinated with braking member 4, braking member 4 is made of conical surface head, cylinder and spring core, and thrust device 3 is
It is made of screw hole 32, screw 31, spring 33.
Braking member 4 is put into the braking member hole of nut 1, spring 33 is put on the spring core of braking member 4, is covered
Enter 31 endoporus of screw, screw 31 screws in screw hole 32,31 compressed spring 33 of screw from 1 gabarit of nut, and spring 33 presses braking member
Part 4, the conical surface 41 on 4 head of braking member contact the boundary line 24 of the 23 tooth side 22 of externally threaded crest of bolt 2, be engaged, brake,
External screw thread 21 is locked, ensures braking and locking thread connection.
Embodiment three：
As shown in figure 3, be the threaded connection device of bolt 2 and nut 1,4 diameter of main braking member 4 and auxiliary braking element
To 12 position of tooth side for the internal thread 11 for being arranged on nut 1, under the action of thrust dress system 3, the head cone of main braking member 4
The crest 23 of external screw thread 21 and the boundary line 24 of carrying tooth side 22 are braked in face 41, and the head conical surface 41 of auxiliary braking element 4 is braked
The crest 23 of external screw thread 21 and the boundary line 24 of non-bearing tooth side 22, occlusion, braking, locking external screw thread 21, ensure braking and locking
Thread connection.
Claims (6)
1. braking and locking nut (1) is a kind of locking nut (1) of the external screw thread (21) with braking member (4) braking bolt (2),
It is characterized in that：It is included in and head is set in nut (1) for inclined-plane or the braking member (4) and thrust device of the conical surface (41)
(3), under the action of thrust device (3), the inclined-plane or the conical surface (41) on braking member (4) head and the external screw thread of bolt (2)
(21) crest (23) and boundary line (24) occlusion, braking, the locking of the tooth side (22) of external screw thread (21), wherein, braking member
(4) tooth side (12) position of the internal thread (11) of nut (1) is radially arranged in, makes the inclined-plane or the conical surface on braking member (4) head
(41) boundary line (24) with the crest of the external screw thread of bolt (2) (21) (23) and the tooth side (22) of external screw thread (21) is engaged.
2. braking and locking nut (1) according to claim 1, it is characterised in that：The braking member of braking and locking nut (1)
(4) for the screw (31) with conical surface head, thrust device (3) is screw thrust device (3), the internal thread in nut (1)
(11) tooth side (12) position setting screw hole (32), tightening screw (31), the head conical surface (41) and external screw thread of screw (31)
(21) boundary line (24) occlusion of crest (23) tooth side (22), braking, locking external screw thread (21).
3. braking and locking nut (1) according to claim 1 or 2, it is characterised in that：The braking of braking and locking nut (1)
The preposition neonychium in conical surface head of the clamping screw (31) of element (4).
4. braking and locking nut (1) according to claim 1, it is characterised in that：The thrust device of braking and locking nut (1)
(3) thrust device (3) being made of screw (31) and spring (33), thrust device (3) are radially set from nut (1) gabarit
It puts at tooth side (12) position of the internal thread (11) of nut (1), and hole same with braking member (4), coaxial line.
5. braking and locking nut (1) according to claim 1, it is characterised in that：In big specification or the braking and locking of thickening
Nut (1) lifting force device (3) application is axial to be set, and the thrust of thrust device (3) is acted on by transfer medium radially to be set
Braking member (4) at tooth side (12) position of the internal thread (11) of nut (1), by the inclined-plane or cone on braking member (4) head
Face (41) is engaged with the boundary line (24) of crest (23) the tooth side (22) of external screw thread (21), brakes, locks external screw thread.
6. braking and locking nut (1) according to claim 1, it is characterised in that：The braking member of braking and locking nut (1)
(4) radial orientation of nut (1) is distributed in, and is ridden in the boundary line (24) of (23) the two tooth side (22) of crest of external screw thread (21)
Occlusion, under the action of thrust device (3), the inclined-plane or the conical surface (41) on braking member (4) head and the crest of external screw thread (21)
(23) boundary line (24) of tooth side (22) is engaged, braking, locks external screw thread (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965947.5U CN207598691U (en) | 2017-07-26 | 2017-07-26 | Braking and locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965947.5U CN207598691U (en) | 2017-07-26 | 2017-07-26 | Braking and locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598691U true CN207598691U (en) | 2018-07-10 |
Family
ID=62751871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720965947.5U Active CN207598691U (en) | 2017-07-26 | 2017-07-26 | Braking and locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306996A (en) * | 2017-07-26 | 2019-02-05 | 杨洁薇 | brake lock nut |
-
2017
- 2017-07-26 CN CN201720965947.5U patent/CN207598691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306996A (en) * | 2017-07-26 | 2019-02-05 | 杨洁薇 | brake lock nut |
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| GR01 | Patent grant |