CN204921623U - Bolt assembly - Google Patents
Bolt assembly Download PDFInfo
- Publication number
- CN204921623U CN204921623U CN201520546531.0U CN201520546531U CN204921623U CN 204921623 U CN204921623 U CN 204921623U CN 201520546531 U CN201520546531 U CN 201520546531U CN 204921623 U CN204921623 U CN 204921623U
- Authority
- CN
- China
- Prior art keywords
- bolt
- nut
- screw thread
- hole
- screw rod
- 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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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a bolt assembly, including bolt and nut, the bolt includes that bolt head, screw rod, first screw thread and cross are recessed, the nut includes screw thread through -hole, second screw thread and support, the bolt head below is equipped with the screw rod, be equipped with first screw thread on the screw rod, it is recessed that bolt head central authorities are equipped with a cross, the nut center is equipped with the screw thread through -hole, be equipped with the screw thread on the inner wall of screw thread through -hole, bolt and nut are on the same axis of ordinates, the outer wall both sides of screw thread through -hole are equipped with the support, the utility model discloses an it is recessed that the middle position of bolt head is equipped with a cross, and the degree of depth is enough dark, makes things convenient for that the instrument inserts, swivel bolt, support securing nut bottom and screw through -hole on the nut, and the screw on screw rod and the nut be the insection shape, during the cooperation, can make the fastening degree higher, compares with prior art, and the installation of bolt is more convenient, and the fastening degree is higher, is difficult for becoming flexible and skidding more difficult wearing and tearing, simple structure.
Description
[technical field]
The utility model relates to the technical field of bolted fittings, particularly a kind of technical field of bolt assembly.
[background technique]
Bolt is by head and a screw rod class fastening piece dimerous, and bolt is the mechanical parts connected, and bolt is with externally threaded cylindrical body, need coordinate with nut, can dismantle.Bolt in the market, after nut screws, can fix the part that two are threaded hole, but, after fixing certain hour, due to the effect of external force, usually make nut loosen, even come off, make it to lose corresponding function.In order to solve the problem, the utility model provides a kind of bolt assembly, on the basis of traditional bolt-nut, add bolt and nut, can not only lock two coupled parts, can also adjust the position of two parts.
[model utility content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of bolt assembly, and can make the easier for installation of bolt, tightness is higher, and not easily loosen and skid, more difficult wearing and tearing, structure is simple.
For achieving the above object, the utility model proposes a kind of bolt assembly, comprise bolt and nut, it is recessed that described bolt comprises bolt head, screw rod, the first screw thread and cross, described nut comprises tapped through hole, the second screw thread and support, screw rod is provided with below described bolt head, described screw rod is provided with the first screw thread, described bolt head central authorities are provided with a cross and are recessed into, described nut center is provided with tapped through hole, the inwall of described tapped through hole is provided with screw thread, and described bolt and nut are on the same longitudinal axis, and the outer wall both sides of described tapped through hole are provided with support.
As preferably, the equal and opposite in direction of the tapped through hole in the external diameter size of the first screw thread on described screw rod and nut, the first screw thread on described screw rod matches with the second screw thread in nut, and described first screw thread and the second screw thread are groove shape.
As preferably, the surface of the front-end and back-end of described screw rod is respectively provided with a fixed hole, the size of the fixed hole on the front-end and back-end of described screw rod is identical, and described fixed hole is on the center line of screw rod plane of structure.
As preferably, the height that described cross is recessed into is equal with the height of bolt head, and the interval on the limit that described cross is recessed into and limit is identical.
As preferably, the diameter bottom described nut is greater than the diameter of bolt head.
The beneficial effects of the utility model: the utility model is provided with a cross by the middle position of bolt head and is recessed into, the degree of depth is enough dark, instrument is facilitated to insert, swivel bolt, a fixed hole is respectively provided with in the front-end and back-end of screw rod, orientation one class can be carried out, bottom support fastening nut on nut and tapped through hole, screw thread on screw rod and nut is groove shape, during cooperation, tightness can be made higher, not easily loosen and skid, compared with prior art, bolt easier for installation, tightness is higher, not easily loosen and skid, more difficult wearing and tearing, structure is simple.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of bolt assembly of the utility model;
Fig. 2 is the plan view of bolt in a kind of bolt assembly of the utility model;
Fig. 3 is the plan view of nut in a kind of bolt assembly of the utility model.
In figure: 1-bolt head, 2-screw rod, 3-first screw thread, 4-cross are recessed, 5-fixed hole, 6-bolt, 7-tapped through hole, 8-nut, 9-support, 10-screw thread.
[embodiment]
Consult Fig. 1, Fig. 2 and Fig. 3, a kind of bolt assembly of the utility model, comprise bolt 6 and nut 8, described bolt 6 comprises bolt head 1, screw rod 2, first screw thread 3 and cross recessed 4, described nut 8 comprises tapped through hole 7, second screw thread 10 and support 9, screw rod 2 is provided with below described bolt head 1, described screw rod 2 is provided with the first screw thread 3, described bolt head 1 central authorities are provided with a cross recessed 4, described nut 8 center is provided with tapped through hole 7, the inwall of described tapped through hole 7 is provided with screw thread 10, described bolt 6 and nut 8 are on the same longitudinal axis, the outer wall both sides of described tapped through hole 7 are provided with support 9, the equal and opposite in direction of the tapped through hole 7 in the external diameter size of the first screw thread 3 on described screw rod 2 and nut 8, the first screw thread 3 on described screw rod 2 matches with the second screw thread 10 in nut 8, described first screw thread 3 and the second screw thread 10 are groove shape, the surface of the front-end and back-end of described screw rod 2 is respectively provided with a fixed hole 5, the size of the fixed hole 5 on the front-end and back-end of described screw rod 2 is identical, described fixed hole 5 is on the center line of screw rod 2 plane of structure, described cross be recessed into 4 height equal with the height of bolt head 1, described cross be recessed into 4 limit identical with the interval on limit, diameter bottom described nut 8 is greater than the diameter of bolt head 1.
Utility model works process:
A kind of bolt assembly of the utility model in the course of the work, the middle position of bolt head 1 is provided with a cross recessed 4, cross be recessed into 4 height identical with the degree of depth of bolt head 1, the area of contact of instrument and bolt mouth when can increase swivel bolt 6, convenient insertion, rotate, a fixed hole 5 is respectively provided with in the front-end and back-end of screw rod 1, orientation one class can be carried out, with tapped through hole 7 bottom support 9 fastening nut on nut 8, the second nut 10 in the first screw thread 3 on screw rod 2 and nut 8 is groove shape, when matching, to make tightness higher, not easily loosen and skid.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
Claims (5)
1. a bolt assembly, it is characterized in that: comprise bolt (6) and nut (8), described bolt (6) comprises bolt head (1), screw rod (2), first screw thread (3) and cross recessed (4), described nut (8) comprises tapped through hole (7), second screw thread (10) and support (9), described bolt head (1) below is provided with screw rod (2), described screw rod (2) is provided with the first screw thread (3), described bolt head (1) central authorities are provided with a cross recessed (4), described nut (8) center is provided with tapped through hole (7), the inwall of described tapped through hole (7) is provided with screw thread (10), described bolt (6) and nut (8) are on the same longitudinal axis, the outer wall both sides of described tapped through hole (7) are provided with support (9).
2. a kind of bolt assembly as claimed in claim 1, it is characterized in that: the equal and opposite in direction of the tapped through hole (7) in the external diameter size of the first screw thread (3) on described screw rod (2) and nut (8), the first screw thread (3) on described screw rod (2) matches with the second screw thread (10) in nut (8), and described first screw thread (3) and the second screw thread (10) are groove shape.
3. a kind of bolt assembly as claimed in claim 1, it is characterized in that: the surface of the front-end and back-end of described screw rod (2) is respectively provided with a fixed hole (5), the size of the fixed hole (5) on the front-end and back-end of described screw rod (2) is identical, and described fixed hole (5) is on the center line of screw rod (2) plane of structure.
4. a kind of bolt assembly as claimed in claim 1, is characterized in that: the height of described cross recessed (4) is equal with the height of bolt head (1), and the limit of described cross recessed (4) is identical with the interval on limit.
5. a kind of bolt assembly as claimed in claim 1, is characterized in that: the diameter of described nut (8) bottom is greater than the diameter of bolt head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546531.0U CN204921623U (en) | 2015-07-24 | 2015-07-24 | Bolt assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520546531.0U CN204921623U (en) | 2015-07-24 | 2015-07-24 | Bolt assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921623U true CN204921623U (en) | 2015-12-30 |
Family
ID=54970754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520546531.0U Expired - Fee Related CN204921623U (en) | 2015-07-24 | 2015-07-24 | Bolt assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020233A (en) * | 2015-07-24 | 2015-11-04 | 浙江天元金属制品有限公司 | Bolt assembly |
-
2015
- 2015-07-24 CN CN201520546531.0U patent/CN204921623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020233A (en) * | 2015-07-24 | 2015-11-04 | 浙江天元金属制品有限公司 | Bolt assembly |
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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: 20151230 Termination date: 20160724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |