CN205895846U - Looseness -prevention bolt - Google Patents
Looseness -prevention bolt Download PDFInfo
- Publication number
- CN205895846U CN205895846U CN201620709812.8U CN201620709812U CN205895846U CN 205895846 U CN205895846 U CN 205895846U CN 201620709812 U CN201620709812 U CN 201620709812U CN 205895846 U CN205895846 U CN 205895846U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- nut
- screw
- size
- hex nut
- 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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Abstract
The utility model relates to a looseness -prevention bolt, it includes the screw rod, the gasket, the spring shim, hexagon nut, nut cover and locating pin, the one end of screw rod is the hex bolts head, the stiff end of the other end for being equipped with the fixed orifices of screw rod, the lateral wall of the screw rod adjacent with the stiff end is equipped with the external screw thread, the length of screw rod is 70mm, hexagon nut's inside wall is equipped with the screw, be equipped with the internal thread that closes with outer thread to match in the screw, the nut cover is the hexagon nut cover, the nut cover is the cavity piece, one side of nut cover is equipped with annular stop part, the middle part of this annular stop part is equipped with the round hole, the size of this round hole cooperatees with the size of stiff end, the size of nut cover suits with hexagon nut's size, the screw rod passes through the screw thread with hexagon nut and links to each other, the cover is equipped with the gasket between hexagon nut and hex bolts head, the cover is equipped with the spring shim between gasket and hexagon nut, the stiff end that the nut cover passed the screw rod cup joints with hexagon nut, the locating pin is pegged graft with the fixed orifices.
Description
Technical field
This utility model belongs to mechanical field and in particular to a kind of check bolt.
Background technology
Bolt is the threaded securing member of cylinder of adapted nut.By head and screw rod (with externally threaded cylinder)
A class securing member dimerous, needs and nut screw connection, for being fastenedly connected two parts carrying through hole.This connection shape
Formula claims bolt connection.As nut is screwed off from bolt, this two parts can be made separately again, thus bolt connection be belonging to removable
Unload connection.
In existing bolt connecting mode, equal non-bolt locking device, in this case, due to the long-term high load capacity of equipment
Work, vibration frequently, easily causes bolt looseness, or even comes off, thus causing equipment fault or even field accident.
Utility model content
Utility model purpose: the problem that this utility model is directed to above-mentioned prior art presence makes improvement, and that is, this practicality is new
Type discloses a kind of check bolt.
Technical scheme: a kind of check bolt, including screw rod, pad, spring shim, hex nut, nut sleeve and alignment pin,
One end of described screw rod is hexagonal bolt head, and the other end of described screw rod is the fixing end being provided with fixing hole, with institute
The side wall stating the adjacent screw rod of fixing end is provided with external screw thread, and the length of described screw rod is 70mm,
The medial wall of described hex nut is provided with screw, is provided with the female thread matching with described external screw thread in screw,
Described nut sleeve is hex nut set, and described nut sleeve is hollow, and the side of described nut sleeve is provided with annular resistance
Stopper, the middle part of this annular stop part is provided with circular hole, and the matching size of the size of this circular hole and described fixing end closes, described nut
The size of set is adapted with the size of described hex nut,
Described screw rod is connected by screw thread with described hex nut, between described hex nut and described hexagonal bolt head
It is arranged with described pad, be arranged with described spring shim between described pad and described hex nut,
Described nut sleeve passes through the fixing end of screw rod and described hex nut socket,
Described alignment pin and described fixing hole grafting.
Further, the internal diameter of described fixing hole is 5mm.
Further, the thickness of described pad is 3mm.
Further, described externally threaded length is 30mm.
Further, described fixing end is in cuboid.
Beneficial effect: disclosed in this utility model, a kind of check bolt has the advantages that
1st, structure is simple；
2nd, anti-loose effect is good, and safety coefficient is high；
3rd, easy to operate.
Brief description
Fig. 1 is the schematic diagram of screw rod；
Fig. 2 is the schematic diagram of pad；
Fig. 3 is the schematic diagram of spring shim；
Fig. 4 is the schematic diagram of hex nut；
Fig. 5 is the schematic diagram of nut sleeve；
Fig. 6 is the schematic diagram of alignment pin；
Wherein:
1- screw rod 11- hexagonal bolt head
12- external screw thread 13- fixing hole
2- pad 3- spring shim
4- hex nut 41- screw
5- nut sleeve 6- alignment pin
Specific embodiment:
Below specific embodiment of the present utility model is described in detail.
As shown in figs. 1 to 6, a kind of check bolt, including screw rod 1, pad 2, spring shim 3, hex nut 4, nut sleeve 5
With alignment pin 6,
One end of screw rod 1 is hexagonal bolt head 11, and the other end of screw rod 1 is the fixing end being provided with fixing hole 13, with fixation
The side wall holding adjacent screw rod 1 is provided with external screw thread 12, and the length of screw rod 1 is 70mm,
The medial wall of hex nut 4 is provided with screw 41, is provided with, in screw 41, the female thread matching with external screw thread 12,
Nut sleeve 5 is hex nut set, and nut sleeve 5 is hollow, and the side of nut sleeve 5 is provided with annular stop part, this ring
The middle part of form drag stopper is provided with circular hole, matching size conjunction, the size of nut sleeve 5 and the hexagonal spiral shell of the size of this circular hole and fixing end
Female 4 size is adapted,
Screw rod 1 is connected by screw thread with hex nut 4, is arranged with pad between hex nut 4 and hexagonal bolt head 11
2, it is arranged with spring shim 3 between pad 2 and hex nut 4,
Nut sleeve 5 passes through the fixing end of screw rod 1 to be socketed with hex nut 4,
Alignment pin 6 and fixing hole 13 grafting of screw rod 1.
Further, the internal diameter of fixing hole 13 is 5mm.
Further, the thickness of pad 2 is 3mm.It is provided with through hole, the external diameter of the diameter of this through hole and screw rod 1 in the middle part of pad 2
It is adapted.
Further, the length of external screw thread 12 is 30mm.
Further, fixing end is in cuboid.
Above embodiment of the present utility model is elaborated.But this utility model is not limited to above-mentioned enforcement
Mode, in the ken that art those of ordinary skill possesses, can also be without departing from this utility model ancestor
Make a variety of changes on the premise of purport.
Claims (5)
1. a kind of check bolt is it is characterised in that include screw rod, pad, spring shim, hex nut, nut sleeve and alignment pin,
One end of described screw rod is hexagonal bolt head, and the other end of described screw rod is the fixing end being provided with fixing hole, solid with described
The side wall of the adjacent screw rod in fixed end is provided with external screw thread, and the length of described screw rod is 70mm,
The medial wall of described hex nut is provided with screw, is provided with the female thread matching with described external screw thread in screw,
Described nut sleeve is hex nut set, and described nut sleeve is hollow, and the side of described nut sleeve is provided with annular stop part,
The middle part of this annular stop part is provided with circular hole, and the matching size of the size of this circular hole and described fixing end closes, described nut sleeve
Size is adapted with the size of described hex nut,
Described screw rod is connected by screw thread with described hex nut, sheathed between described hex nut and described hexagonal bolt head
There is described pad, be arranged with described spring shim between described pad and described hex nut,
Described nut sleeve passes through the fixing end of screw rod and described hex nut socket,
Described alignment pin and described fixing hole grafting.
2. a kind of check bolt according to claim 1 is it is characterised in that the internal diameter of described fixing hole is 5mm.
3. a kind of check bolt according to claim 1 is it is characterised in that the thickness of described pad is 3mm.
4. a kind of check bolt according to claim 1 is it is characterised in that described externally threaded length is 30mm.
5. a kind of check bolt according to claim 1 is it is characterised in that described fixing end is in cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620709812.8U CN205895846U (en) | 2016-06-30 | 2016-06-30 | Looseness -prevention bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620709812.8U CN205895846U (en) | 2016-06-30 | 2016-06-30 | Looseness -prevention bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895846U true CN205895846U (en) | 2017-01-18 |
Family
ID=57771837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620709812.8U Expired - Fee Related CN205895846U (en) | 2016-06-30 | 2016-06-30 | Looseness -prevention bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205895846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107434209A (en) * | 2017-02-07 | 2017-12-05 | 上海太平洋制泵(集团)有限公司 | Large-scale middle-open pump impeller balances working position apparatus |
| CN109185315A (en) * | 2018-11-23 | 2019-01-11 | 航天精工股份有限公司 | A kind of locking auxiliary connection |
-
2016
- 2016-06-30 CN CN201620709812.8U patent/CN205895846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107434209A (en) * | 2017-02-07 | 2017-12-05 | 上海太平洋制泵(集团)有限公司 | Large-scale middle-open pump impeller balances working position apparatus |
| CN109185315A (en) * | 2018-11-23 | 2019-01-11 | 航天精工股份有限公司 | A kind of locking auxiliary connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20190630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |