CN208123211U - A kind of check bolt improving structure - Google Patents
A kind of check bolt improving structure Download PDFInfo
- Publication number
- CN208123211U CN208123211U CN201721412254.XU CN201721412254U CN208123211U CN 208123211 U CN208123211 U CN 208123211U CN 201721412254 U CN201721412254 U CN 201721412254U CN 208123211 U CN208123211 U CN 208123211U
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- China
- Prior art keywords
- bolt
- bolt head
- screw rod
- utility
- model
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- 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.)
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Abstract
The utility model relates to a kind of check bolts, belong to a kind of fastener.The technical solution adopted in the utility model is：A kind of check bolt improving structure, including bolt head and screw rod, the lower end surface connecting screw of the bolt head, another end face is equipped with central recess, bolt head is circumferentially distributed several recesses, and it is smooth section close to one end of bolt head that the front end of the screw rod, which is thread segment, it is equipped with hairbrush circle on the thread of the screw rod end, is closely connected with mould set shell in the smooth section.The utility model has the advantages that：The bolt of the utility model, structurally reasonable, functional good, locking and favorable rust preventing effect.
Description
Technical field
The utility model relates to a kind of check bolts, belong to a kind of fastener.
Background technique
Fastener is most widely used fundamental parts, is to be fastenedly connected into two or more parts or component
The general name of used one kind machine components when one entirety.Fastener description is various, performance purposes each one, and standard
It is change, seriation, unitized strong.Wherein bolt is one of the most common type in fastener.Conventional bolt generally comprises
Head and the screw rod being connected under head, the bolt of this structure, structure is simple, and service performance is also general, some right
Using effect requires relatively high occasion, and traditional bolt is no longer satisfied use demand.Therefore, it should provide a kind of new
Technical solution solves the above problems.
Summary of the invention
The purpose of the utility model is to provide a kind of structure is simple, the bolt of the good improvement structure of using effect.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of check bolt improving structure, including bolt head and screw rod, the lower end surface connecting screw of the bolt head, separately
One end face is equipped with central recess, and bolt head is circumferentially distributed several recesses, and the front end of the screw rod is thread segment, close
One end of bolt head is smooth section, is equipped with hairbrush circle on the thread of the screw rod end, closely connects in the smooth section
There is mould set shell.
Further technical solution：
The diameter of the mould set shell is less than the diameter of thread segment.
The edge of the lower surface of the bolt head and screw rod junction is equipped with annular sealing strip.
The bolt head is round bolt head.
The mould set shell is closely connect in such a way that fixture block and card slot match with smooth section.
Due to the application of above-mentioned technical proposal, the utility model has the following advantages that compared with prior art：
1, the bolt of the utility model, due to being equipped with hairbrush circle on the thread of screw rod end, in bolt precession spiral shell
Kong Shi, hairbrush circle are contacted with the internal screw thread of screw hole first, and hairbrush encloses the work of the impurity on the internal screw thread in cleaning threaded hole
With.
2, the bolt of the utility model, due to being equipped with mould set shell in smooth section, when the humidity of bolt installation place, mould set shell with
Shank of bolt is completely embedded, and does not tend to have steam into causing shank of bolt to get rusty, shank of bolt will not corrode in mounting hole, disassembly when side
Just.
3, the edge of the lower surface of the bolt of the utility model, bolt head and screw rod junction is equipped with described in annular sealing strip
The edge of the lower surface of bolt head is equipped with annular sealing strip, can ensure leakproofness without another shimming when use.
Detailed description of the invention
It is attached that FIG. 1 is a schematic structural view of the utility model.
Attached drawing 2 is bolt head inside structure schematic diagram.
In the figures above：1, bolt head, 2, screw rod, 3, recess, 4, hairbrush circle, 5, mould set shell, 6, sealing strip.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments：
Embodiment one：
As shown in Figure 1, a kind of check bolt for improving structure of the utility model, including bolt head 1 and screw rod 2, the spiral shell
The lower end surface connecting screw 2 of bolt head 1, another end face are equipped with central recess 3, and bolt head 1 is circumferentially distributed several recesses
3, the front end of the screw rod 2 is thread segment, is smooth section close to one end of bolt head 1, covers on the thread of 2 end of screw rod
It is equipped with hairbrush circle 4, is closely connected with mould set shell 5 in the smooth section.
Preferably, as second embodiment of the utility model, the present embodiment is further limiting to embodiment one,
Mould set shell 5 is closely connect in such a way that fixture block and card slot match with smooth section.
Preferably, as the third embodiment of the utility model, the present embodiment is also the further limit to embodiment one
Fixed, the diameter of the mould set shell 5 is less than the diameter of thread segment.
Preferably, as the 4th embodiment of the utility model, the present embodiment is the further improvement to embodiment one,
The edge for the lower surface that bolt head 1 is connect with screw rod 2 is equipped with annular sealing strip 6.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements or replace, these improvement
Or replacement also should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of check bolt for improving structure, it is characterised in that：Including bolt head (1) and screw rod (2), the bolt head (1)
Lower end surface connecting screw (2), another end face be equipped with central recess, bolt head (1) is circumferentially distributed several recesses
(3), the front end of the screw rod (2) is thread segment, and one end close to bolt head (1) is smooth section, the spiral shell of screw rod (2) end
It is equipped on line tooth hairbrush circle (4), mould set shell (5) is closely connected in the smooth section.
2. a kind of check bolt for improving structure according to claim 1, it is characterised in that：The mould set shell (5) it is straight
Diameter is less than the diameter of thread segment.
3. a kind of check bolt for improving structure according to claim 1, it is characterised in that：The bolt head (1) and spiral shell
The edge of the lower surface of bar (2) junction is equipped with annular sealing strip (6).
4. a kind of check bolt for improving structure according to claim 1, it is characterised in that：The bolt head (1) is circle
Shape bolt head.
5. a kind of check bolt for improving structure according to claim 1, it is characterised in that：The mould set shell (5) passes through
The mode that fixture block and card slot match closely is connect with smooth section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412254.XU CN208123211U (en) | 2017-10-27 | 2017-10-27 | A kind of check bolt improving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412254.XU CN208123211U (en) | 2017-10-27 | 2017-10-27 | A kind of check bolt improving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208123211U true CN208123211U (en) | 2018-11-20 |
Family
ID=64209579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721412254.XU Expired - Fee Related CN208123211U (en) | 2017-10-27 | 2017-10-27 | A kind of check bolt improving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208123211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605912A (en) * | 2017-10-27 | 2018-01-19 | 江苏昊嘉不锈钢标准件有限公司 | A kind of check bolt of special improved structure |
-
2017
- 2017-10-27 CN CN201721412254.XU patent/CN208123211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605912A (en) * | 2017-10-27 | 2018-01-19 | 江苏昊嘉不锈钢标准件有限公司 | A kind of check bolt of special improved structure |
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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: 20181120 Termination date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |