CN208474296U - Shockproof self-locking screw - Google Patents
Shockproof self-locking screw Download PDFInfo
- Publication number
- CN208474296U CN208474296U CN201820983404.0U CN201820983404U CN208474296U CN 208474296 U CN208474296 U CN 208474296U CN 201820983404 U CN201820983404 U CN 201820983404U CN 208474296 U CN208474296 U CN 208474296U
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- China
- Prior art keywords
- locking
- mandril
- screw
- self
- screw rod
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Abstract
The utility model discloses a kind of shockproof self-locking screws, including screw head, screw rod, mandril screw hole is equipped at the top of screw head, mandril screw hole is connected with self-locking mandril, and self-locking mandril is connected to the locking disk being sheathed on screw rod, and screw rod is equipped with Upper gasket and lower gasket in locking disk lower end, lower gasket lower end is equipped with nut, bolt is arranged with sleeve in nut lower part, and screw rod bottom is equipped with gap, and gap to lower gasket bottom is equipped with check lock lever.The utility model improves bolt shockproof effect and stability by the cooperation of self-locking mandril and locking disk fixed link, pass through the cooperation on the inclined-plane and locking surface of the latch band being arranged on upper and lower gasket and nut, further improve the shockproof effect and stability of bolt, finally by the design of structure in sleeve and check lock lever, it be firmly fixed to bolt can more stable by latch fitting, while realizing the latch segment of check lock lever and the self-locking effect of internal thread of sleeve.
Description
Technical field
The utility model relates to a kind of shockproof self-locking screws.
Background technique
Bolt is a kind of threaded fastening machine components of stud-shape of adapted nut, mainly by head and screw rod two parts
A kind of fastener of composition need to cooperate with nut, and for being fastenedly connected two parts for having through-hole, this type of attachment claims spiral shell
It tethers and connects, such as nut is screwed off from bolt, and the two parts can be made to separate, therefore being bolted is that one kind detachably connects
It connects.After existing bolts and nuts connection, in use, object does not stop to be collided and shake, and leads to bolts and nuts
Connection gradually starts to loosen, so that being not connected firmly, according to nut bolt integral structure, bolt and nut is selected as fixed company
It connects, is not able to satisfy the demand that certain objects are detachably connected.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of nut and is bolted securely not easily to fall off and is
The shockproof self-locking screw being detachably connected.
To achieve the above object, the utility model uses following scheme:
A kind of shockproof self-locking screw, including screw head, screw rod, it is characterised in that: mandril screw hole, institute are equipped at the top of the screw head
It states mandril screw hole and is connected with self-locking mandril, the self-locking mandril is inserted through the screw head other end from screw head one end, is connected to and is sheathed on
Locking disk on screw rod, the locking disk are equipped with mandril location hole, and the self-locking mandril is connect by location hole with locking disk,
The screw rod is partially additionally provided with grooving between screw head and locking disk, and the self-locking mandril is connected with the fixed link being adapted to grooving,
The screw rod is equipped with Upper gasket and lower gasket in locking disk lower end, and the lower gasket lower end is equipped with nut, the Upper gasket upper end
Face is equipped with first latching tooth band, and the Upper gasket lower end surface is equipped with the second latch band, and the lower gasket upper surface is equipped with third latch
Band, the lower gasket lower end surface are equipped with the 4th latch band, and the nut upper surface is equipped with the 5th latch band, the first latching tooth
Band, the second latch band, third latch band, the 4th latch band and the 5th latch band include inclined-plane and locking surface, the screw rod in
Nut lower part is arranged with sleeve, and the lower cartridge is provided with longitudinal slot along all around stems direction, and the screw rod bottom, which is equipped with, slits
Mouthful, the gap to nut bottom is equipped with check lock lever, and the side of screw rod gap to the nut is provided with groove, the check lock lever
Upper end side is equipped with casting lug thereon, and the bottom of the check lock lever is equipped with latch segment, and the latch segment is located in bolt gap.
Using the above scheme, locking disk can strengthen screw rod frictional resistance, achieve the effect that prevent screw bolt loosening,
Screw head is equipped with mandril screw hole, and self-locking mandril passes through mandril screw hole and holds out against locking disk on the locking disk to after tightening, self-locking
It is additionally provided with a fixed link, fixed link and the establishing of screw rod undercut slots on mandril, improves self-locking mandril and screw rod and locking disk
Between fixed effect, prevent loosening for screw rod, the bottom of locking disk be provided with upper and lower gasket, lower gasket bottom be arranged
Nut is engaged between upper and lower gasket and nut by latch band, is worked in coordination and is clamped caught object, thus to screw rod carry out into
The fixation clamping of one step is equipped with sleeve, the longitudinal slot that lower cartridge is equipped in the end portion periphery of setting nut in screw rod
Make lower cartridge that there is certain elasticity and spreading performance, lower cartridge is strutted when bolt moves downward, so that lower cartridge is expanded,
Lower cartridge is greater than the aperture opened up on latch fitting and upper cartridge, stable being stuck in and on latch fitting, is made to be locked by latch fitting, locks
The protrusion that bar side is equipped with to form linkage effect with being perforated by latch fitting fastly, makes check lock lever to one end motion of nut, depth of groove by
Gap gradually becomes shallower as to head is screwed, so that latch segment protrudes from groove, causes connecing between check lock lever and the internal screw thread of sleeve firmly
Touching, to realize the self-locking locking of the latch segment and internal thread of sleeve of check lock lever, the design stable structure, and shockproof effect is good
It is good.
Further, the mandril screw hole is equipped at least two and is uniformly set to screw head circumferential edges.
Mandril screw hole can be equipped with it is multiple, setting the more fixed effect effects of quantity it is better, but be arranged two when fix
Effect is very good, it is contemplated that cost and complexity, disassembly difficulty, mandril screw hole design two to four is preferably.
Further, the tapped through hole that the mandril location hole is vertically arranged, the bottom of the locking disk are provided with anti-
The mounting means of loose lamina, the locking disk and screw rod is to be detachably connected.
Mandril location hole is set to immediately below mandril screw hole, and self-locking mandril realizes locating effect right through two location holes,
Dismountable connection side the adjustment of locking disk position and the disassembly of screw-rod structure.
Further, the fixed link connects by the way that the control switch being set on self-locking mandril is telescopic with self-locking mandril
It connects.
Self-locking mandril is equipped with the flexible switch of control fixed link, and mandril presses lower switch fixed link after being inserted into mandril location hole
It stretches out in insertion grooving, realizes fixed effect, when needing to dismantle, then by lower switch retract fixed link, to complete to dismantle.
Further, the screw rod is equipped with external screw thread in nut lower surface, is equipped on the inside of the sleeve suitable with external screw thread
The internal screw thread matched.
The beneficial effects of the utility model are: it is shockproof to improve bolt by the cooperation of self-locking mandril and locking disk fixed link
Effect and stability are further promoted by the cooperation on the inclined-plane and locking surface of the latch band being arranged on upper and lower gasket and nut
The shockproof effect and stability of bolt, finally by the design of structure in sleeve and check lock lever, make bolt can it is more stable securely
Be fixed on by latch fitting, while realizing the latch segment of check lock lever and the self-locking effect of internal thread of sleeve.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is upper spacer structure schematic diagram in the utility model.
Specific embodiment
For the contents, features and effects that can further appreciate that the utility model, it is listed below embodiment, and cooperates attached drawing detailed
Carefully it is described as follows.
As shown in Figure 1, 2, a kind of shockproof self-locking screw, including screw head 1, screw rod 2 are equipped with mandril screw hole 11 at the top of screw head 1,
Mandril screw hole 11 is connected with self-locking mandril 12, and self-locking mandril 12 is inserted through 1 other end of screw head from 1 one end of screw head, is connected to and is arranged
In the locking disk 13 on screw rod 2, locking disk 13 is equipped with mandril location hole 14, and self-locking mandril 12 passes through location hole 14 and locking disk
13 connections, screw rod 2 are partially additionally provided with grooving 21 between screw head 1 and locking disk 13, and self-locking mandril 12 is connected with to be adapted to grooving 21
Fixed link 15, screw rod 2 in locking 13 lower end of disk be equipped with Upper gasket 22 and lower gasket 23,22 lower end of lower gasket be equipped with nut 24,
22 upper surface of Upper gasket is equipped with first latching tooth band 31, and 22 lower end surface of Upper gasket is equipped with the second latch band 32,23 upper surface of lower gasket
Equipped with third latch band 33, gasket lower end surface is equipped with the 4th latch band 34, and 24 upper surface of nut is equipped with the 5th latch band 35, and first
Latch band 31, the second latch band 32, third latch band 33, the 4th latch band 34 and the 5th latch band 35 include inclined-plane 36 and card
Only face 37, screw rod 2 are arranged with sleeve 25 in 24 lower part of nut, and 25 lower part of sleeve is provided with longitudinal slot along 25 peripheral direction of sleeve
251,2 bottom of screw rod is equipped with gap 26, and gap 26 to 24 bottom of nut is equipped with check lock lever 27, and screw rod is by gap 26 to nut 24
Side is provided with groove 261, and the upper end side of check lock lever 27 is equipped with casting lug thereon 28, and the bottom of check lock lever 27 is equipped with latch segment 29, lock
Tight block 29 is located in bolt gap 26.
Further, mandril screw hole 11 is equipped at least two and uniformly set on 1 circumferential edges of screw head, mandril screw hole 11 can
Be equipped with it is multiple promote fixed effect, but fixed effect is basicly stable when being arranged two, it is contemplated that cost and complexity are torn open
Difficulty is unloaded, mandril screw hole design two to four is preferably.
Further, the bottom of the tapped through hole that mandril location hole 14 is vertically arranged, locking disk 13 is provided with locking line
The mounting means of layer, locking disk 13 and screw rod 2 is to be detachably connected, and self-locking mandril 12 realizes positioning right through two location holes
Effect, dismountable connection side the adjustment of locking 13 position of disk and the disassembly of screw-rod structure.
Further, fixed link 15 is telescopic with self-locking mandril 12 by the control switch 16 being set on self-locking mandril 12
Connection, self-locking mandril 12 are equipped with the flexible switch 16 of control fixed link 15, and mandril 12 is pressed out after being inserted into mandril location hole 14
Close 16 fixed links 15 stretch out insertion grooving 21 in, realize fixed effect, when needing to dismantle, then by lower switch 16 make fixed link 15 contract
It returns, to complete to dismantle.
Further, screw rod 2 is equipped with external screw thread in 24 lower surface of nut, is equipped on the inside of sleeve 25 and to be adapted to external screw thread
Internal screw thread.
Finally, it is stated that: it is the preferred embodiment that embodiment is only the utility model above, rather than its limitations；Although
The utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: its according to
It is so possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Range.
Claims (5)
1. a kind of shockproof self-locking screw, including screw head, screw rod, it is characterised in that: mandril screw hole is equipped at the top of the screw head, it is described
Mandril screw hole is connected with self-locking mandril, and the self-locking mandril is inserted through the screw head other end from screw head one end, is connected to and is sheathed on spiral shell
Locking disk on bar, the locking disk are equipped with mandril location hole, and the self-locking mandril is connect by location hole with locking disk, institute
It states screw rod and is partially additionally provided with grooving between screw head and locking disk, the self-locking mandril is connected with the fixed link being adapted to grooving, institute
It states screw rod and is equipped with Upper gasket and lower gasket in locking disk lower end, the lower gasket lower end is equipped with nut, the Upper gasket upper surface
Equipped with first latching tooth band, the Upper gasket lower end surface is equipped with the second latch band, and the lower gasket upper surface is equipped with third latch band,
The lower gasket lower end surface is equipped with the 4th latch band, and the nut upper surface is equipped with the 5th latch band, the first latching tooth band, the
Two latch bands, third latch band, the 4th latch band and the 5th latch band include inclined-plane and locking surface, and the screw rod is under nut
Portion is arranged with sleeve, and the lower cartridge is provided with longitudinal slot along all around stems direction, and the screw rod bottom is equipped with gap, described
Gap to nut bottom is equipped with check lock lever, and the screw rod is provided with groove, the upper end of the check lock lever by the side of gap to nut
Side is equipped with casting lug thereon, and the bottom of the check lock lever is equipped with latch segment, and the latch segment is located in bolt gap.
2. a kind of shockproof self-locking screw according to claim 1, which is characterized in that the mandril screw hole is equipped at least two
And uniformly it is set to screw head circumferential edges.
3. a kind of shockproof self-locking screw according to claim 1, which is characterized in that the mandril location hole is vertically arranged
Tapped through hole, the bottom of the locking disk is provided with locking lamina, and the mounting means of the locking disk and screw rod is detachable
Connection.
4. a kind of shockproof self-locking screw according to claim 1, which is characterized in that the fixed link is by being set to self-locking top
Control switch on bar is telescopic to be connect with self-locking mandril.
5. a kind of shockproof self-locking screw according to claim 1, which is characterized in that the screw rod is set in nut lower surface
There is external screw thread, is equipped with the internal screw thread being adapted to external screw thread on the inside of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983404.0U CN208474296U (en) | 2018-06-25 | 2018-06-25 | Shockproof self-locking screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983404.0U CN208474296U (en) | 2018-06-25 | 2018-06-25 | Shockproof self-locking screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474296U true CN208474296U (en) | 2019-02-05 |
Family
ID=65214977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820983404.0U Expired - Fee Related CN208474296U (en) | 2018-06-25 | 2018-06-25 | Shockproof self-locking screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081059A (en) * | 2019-05-30 | 2019-08-02 | 浙江洪扬汽车零部件有限公司 | A kind of anti-skidding tapping screw of antirust |
-
2018
- 2018-06-25 CN CN201820983404.0U patent/CN208474296U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081059A (en) * | 2019-05-30 | 2019-08-02 | 浙江洪扬汽车零部件有限公司 | A kind of anti-skidding tapping screw of antirust |
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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: 20190205 Termination date: 20200625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |