CN209278304U - A kind of bolt of anti-back button - Google Patents
A kind of bolt of anti-back button Download PDFInfo
- Publication number
- CN209278304U CN209278304U CN201920011177.XU CN201920011177U CN209278304U CN 209278304 U CN209278304 U CN 209278304U CN 201920011177 U CN201920011177 U CN 201920011177U CN 209278304 U CN209278304 U CN 209278304U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- nut
- limitation locking
- limit chamber
- latch
- 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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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model discloses a kind of bolts of anti-back button, including screw rod, the external screw thread of the screw rod upper end is set, nut corresponding with the screw rod, the internal screw thread for being set to nut through-hole wall lower part and being matched with the external screw thread, it is set to the limit chamber of the nut through-hole internal upper part, it is set to the limitation locking block that can be moved up and down in the limit chamber and in the limit chamber, it is set to the annular groove on the limit chamber top, it is connected in the snap ring to connect in the annular groove and by elastic device with the limitation locking block, it is set to the screw rod latch of the screw rod end, and it is set to the limitation locking latch matched at the top of the limitation locking block and with the screw rod latch.The utility model realizes the limitation locking to nut by the cooperation of screw rod latch and limitation locking latch, taking out snap ring and limitation locking block also can easily realize the release of nut, effectively prevent nut moves back button, improves the fastening stability connected between component.
Description
Technical field
The utility model relates to mechanical manufacturing fields, and in particular to a kind of bolt of anti-back button.
Background technique
Bolt passes through the cooperation of nut and screw rod, the object that two separate can be attached fastening, it has also become application
A kind of connection the most universal fastens workpiece, and the external screw thread outside internal screw thread and screw rod in nut through-hole matches, and can make two
Object is firmly connected, however, for the connection between some components for needing to operate, due to the work of centrifugal inertial force
With during object drives the bolt rotation of connection for a long time, especially the object of high-speed rotation, centrifugal force promote nut
The active force for moving back button is generated, under the long duration of action of the active force, be easy for causing nut moves back button, to make two companies
It connects object and generates loosening, or even the case where the separating that fall off, component function is caused to fail, it is serious to may cause whole equipment operation
There is big damage, there are biggish security risk, the existing method for preventing Bolt-withdrawing device button mainly increases outside screw rod
One standby cap, this method can only mitigate the probability that nut moves back button to a certain extent, and can not prevent nut completely moves back button,
Another method is exactly one pin hole of brill on screw rod, after fastening nut, by being inserted into pin in pin hole, for placing
Nut moves back button, and since nut is after the completion of fastening, the distance of pin hole cannot be determined accurately on screw rod, thus make pin hole with
Generate a certain distance between nut, cause pin hole that cannot penetrate pin when distance is negative, distance is timing, nut and pin it
Between return have certain gap, thus may also promote nut move back detain the gap distance length, to cause the loosening of nut, no
Two connecting components can be fastened, while pin hole is set on screw rod and also reduces the intensity of screw rod to a certain extent, it is unfavorable
In the bearing strength of screw rod.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of bolt of anti-back button, it is fastenedly connected in bolt
When, timely and effectively nut can be limited, prevent nut from moving back button, guarantee the stability connected between component.
To achieve the above object, the technical solution adopted in the utility model is as follows:
The external screw thread of the screw rod upper end is arranged in a kind of bolt of anti-back button, including screw rod, corresponding with the screw rod
Nut, the internal screw thread for being set to nut through-hole wall lower part and matching with the external screw thread is set to the nut
The limit chamber of through-hole internal upper part is set to the limitation locking block that can be moved up and down in the limit chamber and in the limit chamber,
It is set to the annular groove on the limit chamber top, is connected in the annular groove and by elastic device and the limitation locking block
The snap ring to connect, is set to the screw rod latch of the screw rod end, and be set at the top of the limitation locking block and with it is described
The limitation locking latch that screw rod latch matches.
Further, the screw rod latch and the limitation locking latch are the broached-tooth design in circular ring shape, and sawtooth
The direction that rotates clockwise along nut of inclined surface be arranged.
Further, the limit chamber and the limitation locking block are square structure, and the width of the limit chamber is greater than
The width of the limitation locking block, and it is less than the cornerwise length of limitation locking block.
Further, the annular groove is circular groove structure.
Further, the snap ring is two pieces of semicircular hard plates by hinged composed circular configuration, straight
Diameter is equal with the diameter of the annular groove, and is greater than the catercorner length of the limit chamber；Between two pieces of hard plates
Equipped with for by two pieces of distracted compressed springs of hard plate, the top surface of two pieces of hard plates is equipped with convenient for by two
The handlebar stem of the closure tightening of hard plate described in block.
Further, the elastic device is spring or elastomeric pad.
Compared with prior art, the utility model has the following beneficial effects:
(1) the utility model realizes the limitation locking to nut by the cooperation of screw rod latch and limitation locking latch,
When nut rotates clockwise locking, the inclined surface of screw rod latch and limitation locking latch connects, at this time limitation locking block
It is moved up along limit chamber, when nut rotates clockwise locking, concedes the distance advanced needed for screw rod, realize nut
Locking, when nut counterclockwise move back button rotation when, the vertical plane of screw rod latch and limitation locking latch connects, screw rod latch and limit
Position locking latch clamping locking, since rectangular limitation locking block cannot rotate in rectangular limit chamber, so by nut lock
It is scheduled on the position of fastening, realizes anti-back button effect of nut.
(2) two pieces of hard plates need to be only closed by the utility model when being unclamped bolt nut by handlebar stem
Tightening is to make the diameter of snap ring reduce, to snap ring be taken out from annular groove, since limitation locking block can be along limit chamber
Lower movement at this point, can take out limitation locking block, then passes through rotary nut counterclockwise, so that it may realize the shredding of nut.
(3) the utility model is simple in sturcture, ingenious in design, and the nut after effectively avoiding bolt fastening moves back what button loosened
Situation strengthens being fastenedly connected between component, ensure that the fastening of connector, eliminates the security risk of bolt looseness.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model limitation locking block structure schematic diagram.
Fig. 3 is the elevational schematic view of Fig. 2.
Fig. 4 is the utility model Snap ring structure schematic diagram.
Wherein, the corresponding title of appended drawing reference are as follows:
1- nut, 2- screw rod, 3- limit chamber, 4- limitation locking block, 5- elastic device, 6- snap ring, 7- external screw thread, spiral shell in 8-
Line, 9- annular groove, 10- screw rod latch, 11- lock latch, 12- hard plate, 13- compressed spring, 14- handlebar stem.
Specific embodiment
The utility model is described in further detail with embodiment for explanation with reference to the accompanying drawing, and the mode of the utility model includes
But it is not limited only to following embodiment.
As shown in figures 1-4: the external screw thread 7 of 2 upper end of screw rod is arranged in a kind of bolt of anti-back button, including screw rod 2,
Nut 1 corresponding with the screw rod 2, be set to the 1 through-hole wall lower part of nut and matched with the external screw thread 7 in
Screw thread 8 is set to the limit chamber 3 of the 1 through-hole internal upper part of nut, is set in the limit chamber 3 and can be in the limit chamber 3
The limitation locking block 4 inside moved up and down is set to the annular groove 9 on 3 top of limit chamber, is connected in the annular groove 9 simultaneously
The snap ring 6 to be connected by elastic device 5 with the limitation locking block 4 is set to the screw rod latch 10 of 2 end of screw rod, with
And it is set to the limitation locking latch 11 limitation locking block 4 top and matched with the screw rod latch 10.
The screw rod latch 10 and the limitation locking latch 11 are the broached-tooth design in circular ring shape, and the inclination of sawtooth
The direction that face is rotated clockwise along nut is arranged, when rotating clockwise locking, screw rod latch and limitation locking latch
Inclined surface connects, and limitation locking block is moved up along limit chamber at this time, when nut rotates clockwise locking, concedes spiral shell
The distance advanced needed for bar, realizes the locking of nut, when nut moves back button rotation counterclockwise, screw rod latch and limitation locking latch
Vertical plane connect, screw rod latch and limitation locking latch clamping locking, since rectangular limitation locking block cannot be rectangular
Rotation, so nut to be locked in the position of fastening, realizes anti-back button effect of nut in limit chamber,
The limit chamber 3 and the limitation locking block 4 are square structure, in order to guarantee that limitation locking block can be in limit chamber
It inside moves up and down, the width of the limit chamber 3 is greater than the width of the limitation locking block 4, in order not to allow limitation locking block in institute
Rotation in limit chamber is stated, the width of the limit chamber 3 is less than the cornerwise length of the limitation locking block 4.
The annular groove 9 is circular groove structure, and the snap ring 6 is that two pieces of semicircular hard plates 12 pass through hingedly
Composed circular configuration, diameter is equal with the diameter of the annular groove 9, and is greater than the diagonal line length of the limit chamber 3
Degree；It is equipped between two pieces of hard plates 12 for by two pieces of distracted compressed springs 13 of the hard plate 12, two pieces of institutes
The top surface for stating hard plate 12 is equipped with convenient for two pieces of hard plates 12 to be closed to the handlebar stem 14 of tightening；By bolt spiral shell
When cap is unclamped, only two pieces of hard plate closures need to be tightened to reduce the diameter of snap ring by handlebar stem, thus will
Snap ring takes out from annular groove, since limitation locking block can be moved up and down along limit chamber, at this point, limitation locking block can be taken out,
Pass through rotary nut counterclockwise again, so that it may realize the shredding of nut.
In order to guarantee that limitation locking block can realize that compression is moved up and limited along limit chamber under active force
Position clamping block is downwardly applied to the active force being clamped for screw rod latch and limitation locking latch, the elastic device 5 be spring or
Person's elastomeric pad.
Above-described embodiment is only one of preferred embodiments of the present invention, should not be taken to limit the utility model
Protection scope, as long as the utility model body design thought and mentally make have no the change of essential meaning or profit
Color, it is solved the technical issues of it is still consistent with the utility model, the protection scope of the utility model should all be included in
Within.
Claims (6)
1. a kind of bolt of anti-back button, which is characterized in that including screw rod (2), the external screw thread in the screw rod (2) upper end is arranged
(7), nut (1) corresponding with the screw rod (2), be set to the nut (1) through-hole wall lower part and with the external screw thread
(7) internal screw thread (8) matched is set to the limit chamber (3) of the nut (1) through-hole internal upper part, is set to the limit chamber
(3) in and the card on the limit chamber (3) top can be set in the interior limitation locking block (4) that move up and down of the limit chamber (3)
Annular groove (9), the snap ring for being connected in the annular groove (9) and being connected by elastic device (5) with the limitation locking block (4)
(6), be set to the screw rod latch (10) of the screw rod (2) end, and be set at the top of the limitation locking block (4) and with institute
State the limitation locking latch (11) that screw rod latch (10) matches.
2. a kind of bolt of anti-back button according to claim 1, which is characterized in that the screw rod latch (10) and the limit
Position locking latch (11) is the broached-tooth design in circular ring shape, and the inclined surface of sawtooth is set along the direction that nut rotates clockwise
It sets.
3. a kind of bolt of anti-back button according to claim 2, which is characterized in that the limit chamber (3) and the limit
Clamping block (4) is square structure, and the width of the limit chamber (3) is greater than the width of the limitation locking block (4), and is less than institute
State limitation locking block (4) cornerwise length.
4. a kind of bolt of anti-back button according to claim 3, which is characterized in that the annular groove (9) is circular recessed
Slot structure.
5. a kind of bolt of anti-back button according to claim 4, which is characterized in that the snap ring (6) is two pieces of semicircles
Hard plate (12) by circular configuration composed by hinged, diameter is equal with the diameter of the annular groove (9), and greatly
Catercorner length in the limit chamber (3)；It is equipped between two pieces of hard plates (12) for by two pieces of hard plates
Block (12) distracted compressed spring (13), the top surface of two pieces of hard plates (12), which is equipped with, to be convenient for two pieces of hard plates
The handlebar stem (14) of block (12) closure tightening.
6. a kind of bolt of anti-back button described in any one according to claim 1~5, which is characterized in that the elastic device
It (5) is spring or elastomeric pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011177.XU CN209278304U (en) | 2019-01-04 | 2019-01-04 | A kind of bolt of anti-back button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011177.XU CN209278304U (en) | 2019-01-04 | 2019-01-04 | A kind of bolt of anti-back button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278304U true CN209278304U (en) | 2019-08-20 |
Family
ID=67605033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920011177.XU Expired - Fee Related CN209278304U (en) | 2019-01-04 | 2019-01-04 | A kind of bolt of anti-back button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235818A (en) * | 2021-05-27 | 2021-08-10 | 依格安顾问(香港)有限公司 | Connection structure and framework |
-
2019
- 2019-01-04 CN CN201920011177.XU patent/CN209278304U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235818A (en) * | 2021-05-27 | 2021-08-10 | 依格安顾问(香港)有限公司 | Connection structure and framework |
| CN113235818B (en) * | 2021-05-27 | 2022-12-02 | 依格安顾问(香港)有限公司 | Connection structure and framework |
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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: 20190820 Termination date: 20200104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |