CN207278663U - A kind of bolt - Google Patents
A kind of bolt Download PDFInfo
- Publication number
- CN207278663U CN207278663U CN201720744562.6U CN201720744562U CN207278663U CN 207278663 U CN207278663 U CN 207278663U CN 201720744562 U CN201720744562 U CN 201720744562U CN 207278663 U CN207278663 U CN 207278663U
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- CN
- China
- Prior art keywords
- mounting
- screw
- screw rod
- bolt
- hole
- 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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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of bolt,Including screw head,Screw rod,Driver flutes,Counterbore,Mounting hole,Antiskid bar and the first spring,The center of the lower part of the screw head is fixed with screw rod,The center on the top of the screw head offers driver flutes,The center of the driver flutes offers counterbore,The lower part of the screw head offers multiple mounting holes parallel with screw rod,Slided in the mounting hole and be equipped with antiskid bar,The first spring is connected between the bottom hole of the mounting hole and the upper end of antiskid bar,The screw rod includes upper screw rod,Lower screw rod,Mounting groove,Mounting blocks,Screw hole,Through hole and fastening bolt,The upper end of the upper screw rod is fixedly connected with screw head,Compared with prior art,It can facilitate and bolt is twisted,Effectively prevent bolt from being loosened because of vibrations,Effectively debris is prevented to be stuck between bolt and screw hole,Improve the adaptability of bolt,Enhance the working performance of bolt,Extend the service life of bolt.
Description
【Technical field】
Standard component technical field is the utility model is related to, particularly a kind of bolt.
【Background technology】
Bolt：Machine components, the cylindrical threaded fastener of adapted nut.By head and screw rod with externally threaded
Cylinder a kind of fastener dimerous, need to coordinate with nut, for being fastenedly connected two parts for carrying through hole.It is this
Type of attachment claims to be bolted.It as nut is screwed off from bolt, and can separate the two parts, therefore it is to belong to be bolted
In being detachably connected, existing bolt to twist mode relatively simple, or such as existing bolt can only be twisted with screwdriver
It can only be twisted with spanner, when instrument not with bolt matching at hand, bolt cannot just use, and existing bolt is all
Do not possess flexible function, when needing the distance between connected two objects farther out, short bolt cannot reach at the same time
The screw hole on two objects, causes bolt when cannot be normal, moreover, existing bolt does not possess the work(of cleaning debris
Can, bolt is during actual use, and often there are the debris such as iron filings, existing bolt inside screw hole matched with bolt
All be thread directly into screw hole, debris be easy to be stuck in caused between bolt and screw hole bolt tighten difficulty or cause bolt or
The thread damage of screw hole, existing bolt do not possess locking function yet, and when bolt works in vibration environment, bolt holds very much
Loosening is also easy to produce, causes to be bolted inadequate fastening.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of bolt, can be facilitated to bolt
Twisted, effectively prevent bolt from being loosened because of vibrations, effectively prevent debris to be stuck between bolt and screw hole, improve bolt
Adaptability, enhances the working performance of bolt, extends the service life of bolt.
To achieve the above object, the utility model proposes a kind of bolt, including screw head, screw rod, driver flutes, counterbore,
Mounting hole, antiskid bar and the first spring, the center of the lower part of the screw head are fixed with screw rod, the top of the screw head
Center offers driver flutes, and the center of the driver flutes offers counterbore, and the lower part of the screw head offers
Multiple mounting holes parallel with screw rod, interior slide of the mounting hole are equipped with antiskid bar, the bottom hole and antiskid bar of the mounting hole
Upper end between be connected with the first spring, the screw rod include upper screw rod, lower screw rod, mounting groove, mounting blocks, screw hole, through hole and
Fastening bolt, the upper end of the upper screw rod are fixedly connected with screw head, and the lower end of the upper screw rod offers the axial direction along upper screw rod
The mounting groove of extension, the upper end of the lower screw rod is fixed with to be slided slotting with the matched mounting blocks of mounting groove, the mounting blocks
In mounting groove, the sidepiece of the lower end of the upper screw rod offers the screw hole communicated with mounting groove, is opened up on the mounting blocks
Have offered in line style it is multiple with the matched through hole of screw hole, the fastening bolt be arranged in screw hole with through hole by upper screw rod and
Lower screw rod is fixedly connected, and the fastening bolt is threadedly coupled with screw hole, and the lower end of the lower screw rod offers the axis along lower screw hole
Slided to the installation cavity of extension, in the installation cavity and be inserted with mounting rod, the upper end of the installation cavity and the upper end of mounting rod it
Between be connected with second spring, the sidepiece of the lower end of the mounting rod is equipped with the bristle perpendicular to mounting rod.
Preferably, the cross section of the screw head and the cross section of counterbore are regular hexagon, the driver flutes are ten
Word driver flutes.
Preferably, the length of the antiskid bar is slightly less than the depth of mounting hole, the outer end of the antiskid bar is equipped with anti-skidding
Line, the both ends of first spring are to be fixedly connected.
Preferably, the mounting groove and mounting blocks are designed in cuboid, the volume and mounting groove of the mounting blocks
Volume it is identical, the deep gouge on the head that can accommodate fastening bolt completely is offered on the outside of the oral area of the screw hole.
Preferably, the length of the mounting rod is slightly less than the depth of installation cavity, the mounting rod is including thick section and thin
Segment, described thick section of upper end are fixedly connected with the lower end of second spring, the upper end of the small sections and thick section of lower end
It is fixedly connected, described thick section of diameter is slightly less than the diameter of installation cavity, and the bristle is located at small sections and is located at beyond installation cavity
Sidepiece, the outside diameter of the bristle is slightly larger than the diameter of screw rod, and the upper end of the second spring and the bottom of chamber of installation cavity, which are fixed, to be connected
Connect.
The beneficial effects of the utility model：The utility model is by the way that the cross section of the cross section of screw head and counterbore is designed to
Regular hexagon, driver flutes are equipped with the top of screw head so that bolt can use screwdriver, spanner and Hexagonal jacket etc. different
Instrument is twisted, and improves adaptability of the bolt to instrument, by being equipped with mounting hole in the lower part of screw head, is set in mounting hole
There is antiskid bar, the first spring is equipped between mounting hole and antiskid bar, anti-skid chequer is equipped with the outer end of antiskid bar, when bolt is screwed
After tight, spring is given antiskid bar and is flexibly supported so that the outer end of antiskid bar is held out against in the outer surface of object, can effectively prevent
Bolt produces loosening because of vibrations, and anti-skid chequer can strengthen the frictional force between antiskid bar and object outer surface, and antiskid effect is more
It is good, by being equipped with mounting rod in the lower end of screw rod, bristle is equipped with the outside of mounting rod, when bolt is being tightened, bristle takes the lead in
The debris of screw hole inner wall is brushed off, effectively prevents debris to be stuck between screw rod and screw hole and to cause bolt to tighten difficult or screw rod
Thread damage, by the way that screw design is slided into upper screw rod and lower screw rod, upper screw rod and lower screw rod by mounting groove and mounting blocks
Be connected so that the length of screw rod can change, even if the distance between two objects farther out when, screw rod still can be by two
A object is connected, and compared with prior art, can facilitate and bolt is twisted, effectively prevent bolt from being loosened because of vibrations,
Effectively prevent debris to be stuck between bolt and screw hole, improve the adaptability of bolt, enhance the working performance of bolt, extend
The service life of bolt.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural front view of bolt of the utility model.
Fig. 2 is a kind of structure top view of bolt of the utility model.
In figure：Screw rod under 1- screw heads, 2- screw rods, the upper screw rods of 21-, 22-, 23- mounting grooves, 24- mounting blocks, 25- screw holes,
26- through holes, 27- fastening bolts, 3- driver flutes, 4- counterbores, 5- mounting holes, 6- antiskid bars, the first springs of 7-, 8- installation cavitys,
Thick section of 9- mounting rods, 91-, 92- small sections, 10- second springs, 11- bristles.
【Embodiment】
Refering to Fig. 1,2, a kind of bolt of the utility model, including screw head 1, screw rod 2, driver flutes 3, counterbore 4, mounting hole 5,
6 and first spring 7 of antiskid bar, the center of the lower part of the screw head 1 are fixed with screw rod 2, in the top of the screw head 1
Heart position offers driver flutes 3, and the center of the driver flutes 3 offers counterbore 4, and the lower part of the screw head 1 opens up
Have multiple mounting holes 5 parallel with screw rod 2, slided in the mounting hole 5 and be equipped with antiskid bar 6, the bottom hole of the mounting hole 5 and
The first spring 7 is connected between the upper end of antiskid bar 6, the screw rod 2 includes upper screw rod 21, lower screw rod 22, mounting groove 23, installation
Block 24, screw hole 25, through hole 26 and fastening bolt 27, the upper end of the upper screw rod 21 are fixedly connected with screw head 1, the upper screw rod 21
Lower end offer axially extending mounting groove 23 along upper screw rod 21, the upper end of the lower screw rod 22 is fixed with and mounting groove
23 matched mounting blocks 24, the mounting blocks 24 are slided and are inserted in mounting groove 23, the sidepiece of the lower end of the upper screw rod 21
The screw hole 25 communicated with mounting groove 23 is offered, offers to offer in line style on the mounting blocks 24 and multiple matches with screw hole 25
The through hole 26 of conjunction, the fastening bolt 27 are arranged in screw hole 25 and are fixedly connected with upper screw rod 21 and lower screw rod 22 with through hole 26,
The fastening bolt 27 is threadedly coupled with screw hole 25, and the lower end of the lower screw rod 22 is offered along the axially extending of lower screw hole 22
Installation cavity 8, interior slide of the installation cavity 8 are inserted with mounting rod 9, connect between the upper end of the installation cavity 8 and the upper end of mounting rod 9
Second spring 10 is connected to, the sidepiece of the lower end of the mounting rod 9 is equipped with the bristle 11 perpendicular to mounting rod 9, the horizontal stroke of the screw head 1
Section and the cross section of counterbore 4 are regular hexagon, and the driver flutes 3 are Philip's head screw cutter groove, the length of the antiskid bar 6
It is slightly less than the depth of mounting hole 5, the outer end of the antiskid bar 6 is equipped with anti-skid chequer, and the both ends of first spring 7 connect to be fixed
Connect, the mounting groove 23 and mounting blocks 24 are designed in cuboid, the volume of the mounting blocks 24 and the volume of mounting groove 23
It is identical, the deep gouge on the head that can accommodate fastening bolt 27 completely, the installation are offered on the outside of the oral area of the screw hole 25
The length of bar 9 is slightly less than the depth of installation cavity 8, and the mounting rod 9 includes thick section 91 and small sections 92, described thick section 91
Upper end is fixedly connected with the lower end of second spring 10, and the upper end of the small sections 92 is fixedly connected with thick section 91 of lower end, institute
The diameter that thick section 91 of diameter is slightly less than installation cavity 8 is stated, the bristle 11 is located at the side that small sections 92 are located at beyond installation cavity 8
Portion, the outside diameter of the bristle 11 are slightly larger than the diameter of screw rod 2, and the upper end and the bottom of chamber of installation cavity 8 of the second spring 10 are fixed
Connection.
Utility model works process：
A kind of bolt of the utility model during the work time, when the bolt is being used, can be pressed from both sides by using spanner
Firmly the sidepiece of screw head 1 is either inserted in driver flutes 3 to bolt with Hexagonal jacket insertion counterbore 4 or with the cutter head of screwdriver
Twisted, when the bolt is being tightened, the meeting of mounting rod 9 advancing into screw hole in screw rod 2, the brush in the outside of mounting rod 9
Hair 11 can brush off the debris of screw hole inner wall, effectively prevent the debris of screw hole inner wall to be stuck between screw rod 2 and screw hole, due to installation
Bar 9 includes thick section 91 and small sections 92, even if mounting rod 9, by jacking installation cavity 8, bristle 11 still has certain space
Storage, bristle 11 is not easy to be subject to crushing, and after bolt is tightened, antiskid bar 6 can be got into mounting hole 5 by object, and at this time first
Spring 7 is compressed, and the first spring 7 gives the resilient support of antiskid bar 6 so that antiskid bar 6 is held out against in the outer surface of object, Neng Gouyou
Effect prevents bolt from producing loosening because of vibrations, and anti-skid chequer can strengthen the frictional force between antiskid bar 6 and object outer surface, work as quilt
The distance between two objects of connection farther out when, fastening bolt 27 can be loosened mounting blocks 24 are slided along mounting groove 23
It is dynamic, then allow different through holes 26 corresponding with screw hole 25, mounting blocks 24 are then fixed on mounting groove with fastening bolt 27 again
Inside 23 so that the length of screw rod 2 changes, and is capable of the adaptability of elevator bolt, compared with prior art, can conveniently pair
Bolt is twisted, and effectively prevents bolt from being loosened because of vibrations, effectively prevents debris to be stuck between bolt and screw hole, improves spiral shell
The adaptability of bolt, enhances the working performance of bolt, extends the service life of bolt.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (5)
- A kind of 1. bolt, it is characterised in that：Including screw head (1), screw rod (2), driver flutes (3), counterbore (4), mounting hole (5), Antiskid bar (6) and the first spring (7), the center of the lower part of the screw head (1) are fixed with screw rod (2), the screw head (1) The center on top offer driver flutes (3), the center of the driver flutes (3) offers counterbore (4), described The lower part of screw head (1) offers multiple mounting holes (5) parallel with screw rod (2), is slided in the mounting hole (5) equipped with anti-skidding Bar (6), is connected with the first spring (7), screw rod (2) bag between the bottom hole of the mounting hole (5) and the upper end of antiskid bar (6) Include screw rod (21), lower screw rod (22), mounting groove (23), mounting blocks (24), screw hole (25), through hole (26) and fastening bolt (27), the upper end of the upper screw rod (21) is fixedly connected with screw head (1), and the lower end of the upper screw rod (21) is offered along upper screw rod (21) axially extending mounting groove (23), the upper end of the lower screw rod (22) are fixed with and mounting groove (23) matched peace Block (24) is filled, the mounting blocks (24), which are slided, to be inserted in mounting groove (23), and the sidepiece of the lower end of the upper screw rod (21) opens up There is the screw hole (25) communicated with mounting groove (23), offered on the mounting blocks (24) and offer multiple and screw hole (25) in line style Matched through hole (26), it is interior by upper screw rod (21) and lower spiral shell with through hole (26) that the fastening bolt (27) is arranged in screw hole (25) Bar (22) is fixedly connected, and the fastening bolt (27) is threadedly coupled with screw hole (25), and the lower end of the lower screw rod (22) offers Slided along the axially extending installation cavity (8) of lower screw rod (22), in the installation cavity (8) and be inserted with mounting rod (9), the installation Second spring (10), the sidepiece of the lower end of the mounting rod (9) are connected between the upper end of chamber (8) and the upper end of mounting rod (9) Equipped with the bristle (11) perpendicular to mounting rod (9).
- A kind of 2. bolt as claimed in claim 1, it is characterised in that：The cross section of the screw head (1) and counterbore (4) it is transversal Face is regular hexagon, and the driver flutes (3) are Philip's head screw cutter groove.
- A kind of 3. bolt as claimed in claim 1, it is characterised in that：The length of the antiskid bar (6) is slightly less than mounting hole (5) Depth, the outer end of the antiskid bar (6) is equipped with anti-skid chequer, and the both ends of first spring (7) is are fixedly connected with.
- A kind of 4. bolt as claimed in claim 1, it is characterised in that：The mounting groove (23) and mounting blocks (24) are in rectangular Curvature, the volume of the mounting blocks (24) is identical with the volume of mounting groove (23), the outside of the oral area of the screw hole (25) Offer the deep gouge on the head that can accommodate fastening bolt (27) completely.
- A kind of 5. bolt according to any one of claims 1 to 4, it is characterised in that：The length of the mounting rod (9) is smaller Depth in installation cavity (8), the mounting rod (9) include thick section (91) and small sections (92), thick section (91) it is upper End is fixedly connected with the lower end of second spring (10), and the upper end of the small sections (92) is fixed with the lower end of thick section (91) to be connected Connect, the diameter of thick section (91) is slightly less than the diameter of installation cavity (8), and the bristle (11) is located at small sections (92) positioned at peace The sidepiece behaveing affectedly beyond (8), the outside diameter of the bristle (11) are slightly larger than the diameter of screw rod (2), the second spring (10) it is upper End is fixedly connected with the bottom of chamber of installation cavity (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744562.6U CN207278663U (en) | 2017-06-24 | 2017-06-24 | A kind of bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744562.6U CN207278663U (en) | 2017-06-24 | 2017-06-24 | A kind of bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278663U true CN207278663U (en) | 2018-04-27 |
Family
ID=61993114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720744562.6U Expired - Fee Related CN207278663U (en) | 2017-06-24 | 2017-06-24 | A kind of bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278663U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218283A (en) * | 2017-06-24 | 2017-09-29 | 海盐三鑫机械有限公司 | A kind of bolt |
| CN110488123A (en) * | 2019-08-27 | 2019-11-22 | 国网山东省电力公司滨州供电公司 | A kind of low pressure AVC control and electric energy quality on-line monitoring device |
| CN112283226A (en) * | 2020-09-30 | 2021-01-29 | 晏洋 | Detachable fastening bolt |
| WO2023241623A1 (en) * | 2022-06-17 | 2023-12-21 | 航星利华(北京)科技有限公司 | Anti-loosening and anti-disengaging fastener |
-
2017
- 2017-06-24 CN CN201720744562.6U patent/CN207278663U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218283A (en) * | 2017-06-24 | 2017-09-29 | 海盐三鑫机械有限公司 | A kind of bolt |
| CN110488123A (en) * | 2019-08-27 | 2019-11-22 | 国网山东省电力公司滨州供电公司 | A kind of low pressure AVC control and electric energy quality on-line monitoring device |
| CN110488123B (en) * | 2019-08-27 | 2021-08-27 | 国网山东省电力公司滨州供电公司 | Low-voltage AVC control and electric energy quality on-line monitoring device |
| CN112283226A (en) * | 2020-09-30 | 2021-01-29 | 晏洋 | Detachable fastening bolt |
| WO2023241623A1 (en) * | 2022-06-17 | 2023-12-21 | 航星利华(北京)科技有限公司 | Anti-loosening and anti-disengaging fastener |
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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: 20180427 Termination date: 20190624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |