CN207212899U - A kind of Lengthened bolt - Google Patents
A kind of Lengthened bolt Download PDFInfo
- Publication number
- CN207212899U CN207212899U CN201721196479.6U CN201721196479U CN207212899U CN 207212899 U CN207212899 U CN 207212899U CN 201721196479 U CN201721196479 U CN 201721196479U CN 207212899 U CN207212899 U CN 207212899U
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- China
- Prior art keywords
- screw rod
- cavity
- fixed block
- lengthening
- bolt
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Abstract
A kind of component of machine is the utility model is related to, more particularly to a kind of Lengthened bolt.Include screw rod and with the integrally formed bolt head of screw rod, dismountable be provided with lengthens screw rod on the other end that described screw rod is connected with nut, described screw rod is provided with the cavity with opening towards the one end for lengthening screw rod, cavity sets the other end of opening to be provided with the second cavity turned on cavity, described lengthening screw rod is provided with the fixed block being adapted to cavity, fixed block is provided with the second fixed block being adapted to the second cavity, described fixed block is placed in cavity and is connected with screw flight, the fixation kit that can be fixed to lengthening screw rod is provided between described screw rod and fixed block, the second fixation kit that can be fixed to lengthening screw rod auxiliary is provided between described the second cavity and the second fixed block.The utility model provides a kind of a kind of Lengthened bolt that can extend to bolt.
Description
Technical field
A kind of component of machine is the utility model is related to, more particularly to a kind of Lengthened bolt.
Background technology
Bolt is machine components, is mainly used in the connection and fastening of two parts, or attaching nut uses.
Bolt includes bolt head and is provided with external screw thread, people with the integrally formed screw rod of bolt head, the outer surface of screw rod
When being attached fastening to two parts, the shorter situation of screw rod occurs once in a while, causes two parts to connect well
Fastening is connect, at this moment in the case where being not equipped with the stay bolt of adaptation, can not disposably fasten, the long spiral shell being adapted to therewith need to be equipped with
Bolt could fasten, and therefore, current bolt need further to improve.
The content of the invention
In order to overcome the shortcomings of background technology, the utility model provides a kind of a kind of lengthening spiral shell that can extend to bolt
Bolt.
Technical scheme is used by the utility model：A kind of Lengthened bolt, include screw rod and be integrally formed with screw rod
Bolt head, dismountable be provided with lengthens screw rod, described screw rod direction on the other end that described screw rod is connected with bolt head
The one end for lengthening screw rod is provided with the cavity with opening, and cavity sets the other end of opening to be provided with second turned on cavity
Cavity, described lengthening screw rod are provided with the fixed block being adapted to cavity, and fixed block is provided with second be adapted to the second cavity
Fixed block, described fixed block are placed in cavity and be connecteds with screw flight, provided with pair can adding between described screw rod and fixed block
The fixation kit that long bolt is fixed, being provided between described the second cavity and the second fixed block can be to lengthening screw rod auxiliary fixation
Second fixation kit.
Using above-mentioned technical proposal, dismountable be provided with lengthens screw rod on screw rod, is needed when two parts connect
During longer bolt, screw rod will be lengthened and be connected with screw rod, form a stay bolt, so setting is so that people connect in life
When fastening some part, more flexibly, bolt itself can be extended, during connection, fixed block and cavity screw thread are spun, second
Fixed block is placed in the second cavity, and is fixed by fixation kit and the second fixation kit, makes Lengthened bolt firmly and screw rod
Connection, the simple simultaneously fixation of overall structure.
The utility model is further arranged to：Described fixation kit includes thread groove and fixing screws, described spiral shell
Groove sets the outer surface of cavity located at screw rod and the thread groove turn on cavity, described fixing screws be placed in thread groove it is interior and
Screw flight is connected and can contradicted with fixed block and fixed.
Using above-mentioned technical proposal, after fixed block precession cavity, the thread groove internal rotation spiral shell by fixing bolt from side
Groove is simultaneously contradicted with fixed block, and fixed block is fixed in cavity, prevents that lengthening screw rod comes off, because screw rod outer surface sets spiral shell
Line, and wanting in the screwed hole of precession fixed part, therefore, thread groove are and solid in the externally threaded thread groove in surface
The diameter for determining the head of screw of screw is less than the diameter of thread groove, so that fixing screws are entirely placed in thread groove, avoid spiral shell
Bar fixing screws when fixing influence fixation of the screw rod to part, and overall structure is simple, and promotes to lengthen screw rod fixation.
The utility model is further arranged to：The second described fixation kit includes diaphragm seal and top piece, described
Diaphragm seal form annular seal space in the second cavity and with the second cavity bottom, is provided with seccotine, institute in described annular seal space
Top piece stated is on the other end that the second fixed block is connected with fixed block.
Using above-mentioned technical proposal, fixed block is placed in cavity and is connected with screw flight, when fixed block is completely disposed at cavity
When interior, the second fixed block is placed in the second cavity, during installation, top piece can bursting diaphragm seal, at this moment in annular seal space
Seccotine can ooze out by the side wall of the second fixed block and the second cavity bond, auxiliary fixing assembly to lengthen screw rod enter traveling one
Step is fixed, and fixation kit is used cooperatively with the second fixation kit, lengthening screw rod is firmly connected with screw rod very much, prevent screw rod
During with helical rotation, lengthen screw rod come off or lengthen screw rod can not coordinate very well screw rod rotation fixation.
The utility model is further arranged to：The diameter of the second described cavity is less than the diameter of cavity, and described the
The diameter of two fixed blocks is less than the diameter of fixed block.
Using above-mentioned technical proposal, so set and make it that overall structure is more reasonable, fixed block of the present utility model it is straight
Footpath is less than the diameter for lengthening screw rod and forms a step with lengthening screw rod, and when fixed block is placed in cavity, step just contradicts
Screw rod bottom, so it is easy to screw rod to form an entirety well with lengthening screw rod, is easy to bolt to be connected part.
The utility model is further arranged to：Described the second fixed block, fixed block and lengthening screw rod is integrally formed.
Above-mentioned technical proposal is used, in this way, being easy to lengthen the processing of screw rod.
The utility model is further arranged to：The diameter of described lengthening screw rod is identical with the diameter of screw rod, and lengthens
Screw rod is consistent with the hand of spiral of screw rod outer surface.
Using above-mentioned technical proposal, after lengthening screw rod is connected with screw rod, lengthens screw rod and form a cylinder with screw rod
Entirety, and lengthen that screw rod is consistent with screw flight direction, and so whole lengthening screw rod is easy to when to two parts fixations
The screw thread for lengthening screw rod and two parts coordinates.
The utility model embodiment is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the sectional view of non-Lengthened bolt in the utility model embodiment；
Fig. 2 is the structure chart that screw rod is lengthened in the utility model embodiment；
Fig. 3 is the entirety sectional view of the utility model embodiment.
Embodiment
As shown in Figure 1-Figure 3, the utility model provides a kind of Lengthened bolt, includes screw rod 1 and is integrally formed with screw rod 1
Bolt head 2, dismountable be provided with lengthens screw rod 3, described screw rod 1 on the other end that described screw rod 1 is connected with bolt head 2
Towards lengthen screw rod 3 one end be provided with opening 11 cavity 12, cavity 12 set opening 11 the other end be provided with
The second cavity 13 that cavity 12 turns on, described lengthenings screw rod 3 is provided with the fixed block 31 that is adapted to cavity 12, on fixed block 31
Provided with the second fixed block 32 being adapted to the second cavity 13, described fixed block 31 is placed in cavity 12 and is threadedly coupled with screw rod 1,
Be provided with the fixation kit 4 that can be fixed to lengthening screw rod 3 between described screw rod 1 and fixed block 21, described second cavity 13 with
Second fixation kit 5 of fixation can be aided in lengthening screw rod 3 by being provided between second fixed block 32, in such scheme, in screw rod 1
Upper dismountable be provided with lengthens screw rod 3, when needing longer bolt when two parts connect, will lengthen screw rod 3 and screw rod 1
Connection, a stay bolt is formed, so set when make it that people connects some part of fastening in life, more flexibly, can be by
Bolt itself extends, and during connection, fixed block 31 and the screw thread of cavity 12 is spun, the second fixed block 32 is placed in the second cavity 13
It is interior, and fixed by the fixation kit 5 of fixation kit 4 and second, lengthening screw rod 3 is firmly connected with screw rod 1, overall structure letter
Single and fixation.
In the utility model embodiment, described fixation kit 4 includes thread groove 41 and fixing screws 42, described
Thread groove 41 sets the outer surface of cavity 12 located at screw rod 1 and the thread groove 41 turns on cavity 12, described fixing screws 42
It is placed in thread groove 41 to be threadedly coupled and can contradict with fixed block 31 with screw rod 1 and fixes, in such scheme, when fixed block 31 revolves
After entering cavity 12, fixing screws 42 are contradicted from the internal rotation thread groove 41 of thread groove 41 of side and with fixed block 31, by fixation
Block 31 is fixed in cavity 12, prevents that lengthening screw rod 3 comes off, and because the outer surface of screw rod 1 is threaded, and wants precession to be fixed
In the screwed hole of part, therefore, the diameter of the head of screw of fixing screws 42 is less than the diameter of thread groove 41, so that fixed spiral shell
Nail 42 is entirely placed in thread groove 41, avoids the fixing screws 42 when fixing of screw rod 1 from influenceing fixation of the screw rod to part, overall knot
Structure is simple, and promotes to lengthen the fixation of screw rod 3.
In the utility model embodiment, the second described fixation kit 5 includes diaphragm seal 51 and top piece 52, described
Diaphragm seal 51 form annular seal space 53 in the second cavity 13 and with the bottom of the second cavity 13, be provided with described annular seal space 53
Seccotine, described top piece 52 is located on the other end that the second fixed block 32 is connected with fixed block 31, in such scheme, Gu
Determine block 31 and be placed in cavity 12 to be threadedly coupled with screw rod 1, when fixed block 31 is completely disposed in cavity 12, the second fixed block 32 is put
In in the second cavity 13, during installation, top piece 52 is understood bursting diaphragm seal 51, at this moment the seccotine meeting in annular seal space 53
Ooze out and bond the side wall of the second fixed block 32 and the second cavity 13, auxiliary fixing assembly 4 is carried out further admittedly to lengthening screw rod 3
Fixed, fixation kit 4 is used cooperatively with the second fixation kit 5, lengthening screw rod 3 is firmly connected with screw rod 1 very much, is prevented screw rod
During 1 helical rotation, lengthen screw rod 3 come off or lengthen screw rod 3 can not coordinate very well screw rod 1 rotation fixation.
In the utility model embodiment, the diameter of the second described cavity 13 is less than the diameter of cavity 12, and described the
The diameter of two fixed blocks 32 is less than the diameter of fixed block 31, in such scheme, so sets and make it that overall structure is more reasonable,
The diameter of fixed block 31 of the present utility model is less than the diameter for lengthening screw rod 3 and forms a step 33 with lengthening screw rod 3, works as fixation
When block 31 is placed in cavity 12, step 33, which is just bonded, contradicts the bottom of screw rod 1, is so easy to screw rod 1 can be very well with lengthening screw rod 3
One entirety of formation, be easy to bolt to be connected part.
In the utility model embodiment, the second described fixed block 32, fixed block 31 and lengthening screw rod 3 are integrally formed,
In such scheme, in this way, being easy to lengthen the processing of screw rod.
In the utility model embodiment, the diameter of described lengthening screw rod 3 is identical with the diameter of screw rod 1, and lengthens spiral shell
Bar 3 is consistent with the hand of spiral of the outer surface of screw rod 1, in such scheme, when lengthen screw rod be connected with screw rod after, lengthening screw rod and
Screw rod forms a cylindrical entirety, and lengthening screw rod is consistent with screw flight direction, so entirely lengthens screw rod right
When two parts are fixed, the screw thread for being easy to lengthen screw rod and two parts coordinates.
Every technical staff's notice：Although the utility model describes according to above-mentioned embodiment, this
The invention thought of utility model is not limited to that invention, any repacking with the utility model thought, will all include this specially
In sharp scope of patent protection.
Claims (6)
1. a kind of Lengthened bolt, include screw rod and with the integrally formed bolt head of screw rod, it is characterised in that：Described screw rod with
Dismountable be provided with lengthens screw rod on the other end of nut connection, and described screw rod is provided with towards the one end for lengthening screw rod to be had
The cavity of opening, cavity set the other end of opening to be provided with the second cavity turned on cavity, set on described lengthening screw rod
There is the fixed block being adapted to cavity, fixed block is provided with the second fixed block being adapted to the second cavity, and described fixed block is placed in
It is connected in cavity with screw flight, the fixation kit that can be fixed to lengthening screw rod, institute is provided between described screw rod and fixed block
The second fixation kit that can be fixed to lengthening screw rod auxiliary is provided between the second cavity and the second fixed block stated.
A kind of 2. Lengthened bolt according to claim 1, it is characterised in that：Described fixation kit include thread groove and
Fixing screws, described thread groove sets the outer surface of cavity located at screw rod and the thread groove turns on cavity, described fixation
Screw is placed in thread groove to be connected and can contradict with fixed block with screw flight and fixed.
A kind of 3. Lengthened bolt according to claim 1 or 2, it is characterised in that：The second described fixation kit includes
Diaphragm seal and top piece, described diaphragm seal form annular seal space in the second cavity and with the second cavity bottom, and described is close
Envelope intracavitary is provided with seccotine, and described top piece on the other end that the second fixed block is connected with fixed block.
A kind of 4. Lengthened bolt according to claim 2, it is characterised in that：The diameter of the second described cavity is less than cavity
Diameter, the diameter of the second described fixed block is less than the diameter of fixed block.
A kind of 5. Lengthened bolt according to claim 3, it is characterised in that：Described the second fixed block, fixed block and add
Long bolt is integrally formed.
6. according to a kind of Lengthened bolt described in claim any one of 1-5, it is characterised in that：Described screw rod is with lengthening screw rod
Diameter it is identical, screw rod is consistent with the hand of spiral for lengthening screw rod outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196479.6U CN207212899U (en) | 2017-09-18 | 2017-09-18 | A kind of Lengthened bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196479.6U CN207212899U (en) | 2017-09-18 | 2017-09-18 | A kind of Lengthened bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212899U true CN207212899U (en) | 2018-04-10 |
Family
ID=61821402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721196479.6U Expired - Fee Related CN207212899U (en) | 2017-09-18 | 2017-09-18 | A kind of Lengthened bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058264A (en) * | 2018-09-12 | 2018-12-21 | 江苏永昊高强度螺栓有限公司 | A kind of bolt with length adjustment function |
| CN110319099A (en) * | 2019-07-31 | 2019-10-11 | 嘉兴同辉汽配有限公司 | A kind of automobile ignition coil contactor bolt |
-
2017
- 2017-09-18 CN CN201721196479.6U patent/CN207212899U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058264A (en) * | 2018-09-12 | 2018-12-21 | 江苏永昊高强度螺栓有限公司 | A kind of bolt with length adjustment function |
| CN110319099A (en) * | 2019-07-31 | 2019-10-11 | 嘉兴同辉汽配有限公司 | A kind of automobile ignition coil contactor bolt |
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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: 20180410 Termination date: 20180918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |