CN209621828U - A kind of check bolt - Google Patents
A kind of check bolt Download PDFInfo
- Publication number
- CN209621828U CN209621828U CN201920257425.9U CN201920257425U CN209621828U CN 209621828 U CN209621828 U CN 209621828U CN 201920257425 U CN201920257425 U CN 201920257425U CN 209621828 U CN209621828 U CN 209621828U
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- CN
- China
- Prior art keywords
- screw rod
- slot
- retaining part
- nut
- bolt
- 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 discloses a kind of check bolt, it is related to technical field of fastening, aim to solve the problem that the problem of bolt loosens under the influence of vibration or even falls and cause repair of machine, including nut and screw rod and the nut being screwed on screw rod, nut is equipped with through slot, through slot extends inwardly at screw rod, through slot offers through-hole at screw rod periphery wall, it is additionally provided with the fastening retaining part chimeric with through slot, screw rod and workpiece alignment are used in advance, rotating screw cap makes screw rod enter inside workpiece slowly, fastening retaining part is inserted into along through slot, then fastening retaining part enters screw rod along through slot and part protrudes along through-hole and abuts with work pieces mate, setting fastening retaining part, avoid bolt looseness and slippage, when needing demounting bolt simultaneously, fastening retaining part is extracted, then turn nut, screw rod is set to exit inside screw, retaining part is fastened by setting The intensity of whole structure is further enhanced, screw rod is avoided to exit workpiece, prevents from loosening, structure is simple, and excellent effect prevents from loosening.
Description
Technical field
The utility model relates to technical field of fastening, more particularly, to a kind of check bolt.
Background technique
Screw is usually by head and screw rod a kind of fastener dimerous, and screw rod is usually by with externally threaded cylinder
Body is constituted, and for being fastenedly connected two components with through-hole or shooting inside parts, bolt is the inclined-plane using object
The physics and mathematical principle of circular rotating and frictional force fasten the tool of implements parts by easy stages.
Now, it needs fasten using bolt in many of industrial circle place locking, it is desirable that be firm, prolonged resistance to
With, but in practical work process, since machinery can generate very big vibration in operation, screw rod by be easy after impact force with
Screw head generate shearing force and be broken, influence using.For general bolt by judder the case where, bolt is likely to pine
De-, for some blind holes, bolt, which loosens, is possible to affect mechanical service life, machine security and personal safety,
And the bolt head in standard component is mostly the hexagon or other shapes of direct-dismounted dual at present, is easy to be disassembled.
The case where loosening can be easy to happen in use by bolt fastening component, the prior art can increase in screw rod thus
If spring shim eliminates gap to prevent from loosening, but easy gram of spring shim is hurt workpiece surface and needs to place a plain cushion in bullet
To protect workpiece between spring gasket and workpiece, but the installation steps of part are increased, is inconvenient, and anti-loosing effect is bad.
Utility model content
The purpose of the utility model is to provide a kind of check bolts, have structure simple, prevent the effect of bolt looseness.
The above-mentioned purpose of the utility model has the technical scheme that a kind of check bolt, including spiral shell
Cap and screw rod, nut upper end end face are equipped with through slot, and the through slot extends inwardly at the screw rod, and the through slot is in described
Through-hole is offered at screw rod periphery wall, is additionally provided with the fastening retaining part chimeric with the through slot.
Implement above-mentioned technical proposal, use screw rod and workpiece alignment in advance, rotating screw cap enters screw rod in workpiece slowly
Fastening retaining part is inserted into along through slot when screw rod completes fixed, then fastens retaining part along through slot and enter screw rod and part by portion
It protrudes along through-hole and is abutted with work pieces mate, setting fastening retaining part avoids bolt looseness and slippage, while needing demounting bolt
When, fastening retaining part is extracted, nut is then turned, screw rod is made to exit inside screw, there is fastening in place, and prevents bolt loose
Dynamic effect.
The utility model is further arranged to: the contact surface of through-hole described in the through slot face is in move closer to inclining for through-hole
Tiltedly setting.
Implement above-mentioned technical proposal, the contact surface being inclined to set can make to fasten retaining part gradually along contact towards in workpiece
Wall pushes against, and further enhances the fastening effect of bolt.
The utility model is further arranged to: the contact surface is 30 ° with the bolt axis angle.
Implement above-mentioned technical proposal, angle is 30 °, can be pushed against convenient for fastening retaining part along screw rod periphery and workpiece.
The utility model is further arranged to: the fastening retaining part is emitted including hammering and chimeric block, the hammering emit table
Face is equipped with anti-skid chequer.
Implement above-mentioned technical proposal, after bolt is fixed, fastening retaining part is aligned with through slot, hammering hammering emits will be chimeric
Block is inserted into through slot, completes the fastening of bolt.
The utility model is further arranged to: the chimeric block is in from rectangular block shape, and the chimeric block end is equipped with direction
The abutting tip that the through-hole tilts.
Implement above-mentioned technical proposal, when chimeric block is inserted into through slot, abut tip enter inside through slot and stretch out through-hole with
Workpiece abuts, and avoids that bolt is caused to exit loosening because of vibration, while enhancing the tightness of entire bolt.
The utility model is further arranged to: the abutting tip is equipped with retreat stop block.
Implement above-mentioned technical proposal, when abutting tip is abutted with workpiece, retreat stop block is also abutted with workpiece, is further consolidated whole
A device.
The utility model is further arranged to: the nut and screw rod junction are equipped with reinforcing ring.
Implement above-mentioned technical proposal, reinforcing ring is welded on nut and screw rod junction, further strengthens nut and screw rod
Connection, reduces the probability of nut fractures, enhances whole structural strength.
The utility model is further arranged to: further including the gasket being sheathed on the screw rod.
Implement above-mentioned technical proposal, setting gasket reduces the friction of nut and workpiece, while playing to the vibration of workpiece slow
Punching effect.
In conclusion the advantageous effects of the utility model are as follows:
1. the utility model discloses a kind of check bolt, including nut and screw rod, nut upper end end face is equipped with logical
Slot, the through slot extend inwardly at the screw rod, and the through slot offers through-hole at the screw rod periphery wall, be additionally provided with
The chimeric fastening retaining part of the through slot, uses screw rod and workpiece alignment in advance, and rotating screw cap enters screw rod in workpiece slowly
Fastening retaining part is inserted into along through slot when screw rod completes fixed, then fastens retaining part along through slot and enter screw rod and part by portion
It protrudes along through-hole and is abutted with work pieces mate, setting fastening retaining part avoids bolt looseness and slippage, while needing demounting bolt
When, fastening retaining part is extracted, nut is then turned, screw rod is made to exit inside screw, it is further by setting fastening retaining part
The intensity for enhancing whole structure, avoids screw rod from exiting workpiece, prevents from loosening, and structure is simple, and excellent effect prevents from loosening；
2. fastening retaining part is emitted including hammering and chimeric block, chimeric block is in from rectangular block shape, and chimeric block end is equipped with direction
Fastening retaining part is aligned, hammering hammering is emitted chimeric block by the abutting tip that the through-hole tilts after bolt is fixed with through slot
It is inserted into through slot, completes the fastening of bolt, when chimeric block is inserted into through slot, tip is abutted and enters inside through slot and stretch out through-hole and work
Part abuts, and retreat stop block also abuts with workpiece, avoids that bolt is caused to exit loosening because of vibration, while enhancing the fastening of entire bolt
Degree.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of check bolt provided by the utility model.
Fig. 2 is a kind of the schematic diagram of the section structure of check bolt provided by the utility model.
In figure: 1, nut；2, screw rod；3, through slot；4, through-hole；5, retaining part is fastened；6, straight rib；7, annular portion；8, it contacts
Face；9, hammering emits；10, chimeric block；11, tip is abutted；12, retreat stop block；13, reinforcing ring；14, gasket.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Figures 1 and 2, is a kind of check bolt disclosed by the utility model, including nut 1 and screw rod 2, on nut 1
End end face is provided with through slot 3, and through slot 3 extends inwardly at screw rod 2, and through slot 3 is installed with through-hole 4 at 2 periphery wall of screw rod, separately
It is provided with the fastening retaining part 5 chimeric with through slot 3, is wherein provided with the straight rib 6 connected and fixed for spanner on nut 1, on nut 1
It is additionally provided with the annular portion 7 spread from straight rib 6 to periphery, screw rod 2 is screwed in into workpiece, screw rod 2 and workpiece alignment is used in advance, turns
Dynamic nut 1 makes screw rod 2 enter inside workpiece slowly, and annular portion 7 is contacted with workpiece at this time covers the screw rod 2 of screw-in, avoids ash
Dirt residue enters the screw-on place of screw rod 2 Yu workpiece, when screw rod 2 completes fixed, fastening retaining part 5 is inserted into along through slot 3, then
Fastening retaining part 5 enters screw rod 2 along through slot 3 and part protrudes along through-hole 4 and abuts with work pieces mate, and setting fastening retaining part 5 is kept away
When having exempted from bolt looseness and slippage, while having needed demounting bolt, fastening retaining part 5 is extracted, nut 1 is then turned, makes screw rod 2
It exits inside screw rod 2.
Referring to Figures 1 and 2, the contact surface 8 of 3 face through-hole 4 of through slot is in move closer to being obliquely installed for through-hole 4, contact surface 8
It is 30 ° with bolt axis angle, the contact surface 8 being inclined to set can make to fasten retaining part 5 gradually along contact surface 8 to workpiece inner wall
It pushes against, further enhances the fastening effect of bolt, angle is 30 °, can be convenient for fastening retaining part 5 along 2 periphery of screw rod and workpiece
It pushes against.
Referring to Figures 1 and 2, fastening retaining part 5 includes that hammering emits 9 and chimeric block 10, hammering emit 9 surfaces be provided with it is anti-skidding
Fastening retaining part 5 is aligned by line after bolt is fixed with through slot 3, and hammering hammering emits 9 and chimeric block 10 is inserted into through slot 3, completes
The fastening of bolt, skidding when setting anti-skid chequer avoids fixed, chimeric block 10 is in from rectangular block shape, and 10 end of chimeric block is provided with court
The abutting tip 11 tilted to through-hole 4 abuts and is provided with retreat stop block 12 on tip 11, when abutting tip 11 is abutted with workpiece, only
It moves back block 12 also to abut with workpiece, further consolidates whole device, when chimeric block 10 is inserted into through slot 3, abutting tip 11 enters logical
The inside of slot 3 is simultaneously stretched out through-hole 4 and is abutted with workpiece, avoids that bolt is caused to exit loosening because of vibration.
Referring to Figures 1 and 2, in order to avoid nut 1 and screw rod 2 because vibration of workpiece constantly causes nut 1 to be broken, screw rod 2 blocks
Extremely in workpiece, nut 1 and 2 junction of screw rod are provided with reinforcing ring 13, and 13 periphery of reinforcing ring polishes smooth, is arranged on screw rod 2
There is gasket 14, reinforcing ring 13 is welded on 2 junction of nut 1 and screw rod, further strengthens the connection of nut 1 and screw rod 2, reduces spiral shell
The probability that cap 1 is broken, setting gasket 14 reduce the friction of nut 1 and workpiece.
The course of work (principle): the utility model discloses a kind of check bolt, including nut 1 and screw rod 2, on nut 1
End end face is provided with through slot 3, and through slot 3 extends inwardly at screw rod 2, and through slot 3 is installed with through-hole 4 at 2 periphery wall of screw rod, separately
It is provided with the fastening retaining part 5 chimeric with through slot 3, fastening retaining part 5 includes that hammering emits 9 and chimeric block 10, and hammering emits 9 surfaces and sets
It is equipped with anti-skid chequer, chimeric block 10 is in from rectangular block shape, and 10 end of chimeric block is provided with the abutting tip tilted towards the through-hole 4
11, abut tip 11 on be provided with retreat stop block 12, in advance use screw rod 2 and workpiece alignment, rotating screw cap 1 make screw rod 2 slowly into
Enter inside workpiece, when screw rod 2 completes fixed, after bolt is fixed, fastening retaining part 5 is aligned with through slot 3, hammering hammering emits
Chimeric block 10 is inserted into through slot 3 by 9, and abutting tip 11 enters 3 inside of through slot and stretches out through-hole 4 to abut with workpiece, retreat stop block 12
It is abutted with workpiece, the intensity of whole structure is further enhanced by setting fastening retaining part 5, screw rod 2 is avoided to exit workpiece,
When preventing from loosening, while needing demounting bolt, fastening retaining part 5 is extracted, nut 1 is then turned, exits screw rod 2 in screw rod
Portion, structure is simple, and excellent effect prevents from loosening.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of check bolt, including nut (1) and screw rod (2) and the nut being screwed on screw rod (2), it is characterised in that: institute
Nut (1) upper end end face is stated equipped with through slot (3), the through slot (3) extends inwardly at the screw rod (2), the through slot (3) in
Through-hole (4) are offered at screw rod (2) periphery wall, are additionally provided with the fastening retaining part (5) chimeric with the through slot (3).
2. a kind of check bolt according to claim 1, it is characterised in that: through-hole (4) described in through slot (3) face
Contact surface (8) is in move closer to being obliquely installed for through-hole (4).
3. a kind of check bolt according to claim 2, it is characterised in that: the contact surface (8) and the bolt axis
Angle is 30 °.
4. a kind of check bolt according to claim 1, it is characterised in that: the fastening retaining part (5) includes that hammering emits
(9) and chimeric block (10), the hammering emit (9) surface equipped with anti-skid chequer.
5. a kind of check bolt according to claim 4, it is characterised in that: the chimeric block (10) be in from rectangular block shape,
Chimeric block (10) end is equipped with the abutting tip (11) tilted towards the through-hole (4).
6. a kind of check bolt according to claim 5, it is characterised in that: the chimeric block (10) is in the abutting tip
(11) retreat stop block (12) are equipped at, the retreat stop block (12).
7. a kind of check bolt according to claim 1, it is characterised in that: the nut (1) and screw rod (2) junction are set
There are reinforcing ring (13).
8. a kind of check bolt according to claim 1, it is characterised in that: further include being sheathed on the screw rod (2)
Gasket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257425.9U CN209621828U (en) | 2019-02-28 | 2019-02-28 | A kind of check bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257425.9U CN209621828U (en) | 2019-02-28 | 2019-02-28 | A kind of check bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621828U true CN209621828U (en) | 2019-11-12 |
Family
ID=68455249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920257425.9U Expired - Fee Related CN209621828U (en) | 2019-02-28 | 2019-02-28 | A kind of check bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209621828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303098A (en) * | 2020-11-17 | 2021-02-02 | 崔路晋 | Anti-loosening bolt fastener |
| CN112431839A (en) * | 2020-10-28 | 2021-03-02 | 江阴市江扬标准紧固件制造有限公司 | Anti-drop bolt for narrow area |
-
2019
- 2019-02-28 CN CN201920257425.9U patent/CN209621828U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431839A (en) * | 2020-10-28 | 2021-03-02 | 江阴市江扬标准紧固件制造有限公司 | Anti-drop bolt for narrow area |
| CN112431839B (en) * | 2020-10-28 | 2022-04-05 | 江阴市江扬标准紧固件制造有限公司 | Anti-drop bolt for narrow area |
| CN112303098A (en) * | 2020-11-17 | 2021-02-02 | 崔路晋 | Anti-loosening bolt 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20210228 |