CN211231228U - Hexagonal socket head cap screw for nuclear power station - Google Patents
Hexagonal socket head cap screw for nuclear power station Download PDFInfo
- Publication number
- CN211231228U CN211231228U CN201922075257.4U CN201922075257U CN211231228U CN 211231228 U CN211231228 U CN 211231228U CN 201922075257 U CN201922075257 U CN 201922075257U CN 211231228 U CN211231228 U CN 211231228U
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- Prior art keywords
- guide
- nuclear power
- cap screw
- head cap
- hexagon socket
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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.)
- Expired - Fee Related
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- 230000002265 prevention Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a hexagon socket head cap screw for nuclear power station, including hexagon socket head cap screw, threaded rod, guide screw hole, guide slot, guide screw, inflation conical head, spacing spout, spacing roof, inflation oblique angle, spacing rubber sleeve. The utility model discloses can make hexagon socket head cap screw install and carry out the auto-lock after nuclear power station equipment locking, the bolt that the circumstances such as effective prevention equipment vibrations, external shock caused is not hard up breaks away from, promotes bolted connection's security.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of fastener, especially a hexagon socket head cap screw's for nuclear power station technical field.
[ background of the invention ]
A bolt is a commonly used fastener, which is widely used in various fields. A plurality of bolts can be used for fastening in assembling parts of nuclear power station equipment so as to ensure the normal work of the nuclear power station equipment and achieve the aim of safe work of the nuclear power station. However, the existing bolt may be loosened and even fall off under the conditions of equipment vibration, external impact and the like, so that potential safety hazards are caused.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a hexagon socket head cap screw for nuclear power station, it is locking after can making hexagon socket head cap screw install on nuclear power station equipment to carry out the auto-lock, and the bolt that the condition such as effective prevention equipment vibrations, external impact caused is not hard up breaks away from, promotes bolted connection's security.
In order to realize the aim, the utility model provides an inner hexagon bolt for a nuclear power station, which comprises an inner hexagon bolt head, a threaded rod, a guide threaded hole, a guide groove, a guide screw, an expansion conical head, a limit sliding groove, a limit top plate, an expansion oblique angle and a limit rubber sleeve, the bottom of the inner hexagonal bolt head is provided with a threaded rod, the inner side of the top of the inner hexagonal bolt head is vertically and downwards provided with a guide threaded hole, a guide screw is arranged in the guide threaded hole, an expansion conical head is arranged at the bottom of the guide screw, the expansion cone head extends into a guide groove, the guide groove is vertically and downwards arranged at the bottom of the guide threaded hole, the left and right side surfaces of the guide groove are symmetrically provided with limit chutes, limit top plates are arranged in the limit chutes in a sliding way, the inner side of the limit top plate is provided with an expansion oblique angle corresponding to the expansion conical head, and the outer side of the limit top plate is coated with a limit rubber sleeve.
Preferably, the axial leads of the guide threaded hole and the guide groove are located on the same straight line.
Preferably, the guide groove is a smooth circular groove which is vertically arranged.
Preferably, expansion springs are arranged on two sides of the opening position of the outer side of the limiting sliding groove and connected with the outer edge of the limiting top plate.
Preferably, the length of the thread section of the guide screw is larger than the depth of the guide threaded hole.
Preferably, the shape of the expansion cone head is smooth conical.
Preferably, the diameter of the guide groove is larger than that of the guide threaded hole.
Preferably, the maximum extending position of the limiting rubber sleeve exceeds the height position of the external thread of the threaded rod.
The utility model has the advantages that: the utility model discloses a combine hexagon bolt head, threaded rod, guide screw hole, guide way, guide screw, inflation conical head, spacing spout, spacing roof, inflation oblique angle, spacing rubber sleeve together, through experimental optimization, can make interior hexagon bolt install carry out the auto-lock after on nuclear power station equipment locking, the bolt that the condition such as effective prevention equipment vibrations, external impact caused is not hard up breaks away from, promotes bolted connection's security.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the hexagon socket head cap screw for a nuclear power station.
In the figure: the expansion device comprises a base, a bolt head, a threaded rod, a threaded guide hole, a guide groove, a guide screw, an expansion conical head, a limiting sliding groove, a limiting top plate, an expansion bevel, a limiting rubber sleeve and an expansion spring, wherein the base comprises 1-an inner hexagonal bolt head, 2-a threaded rod, 3-a guide threaded hole, 4-a guide groove, 5-a guide screw, 6-an expansion conical head, 7-a limiting sliding groove, 8-.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a hexagon socket head cap screw for nuclear power station, including hexagon socket head cap screw 1, threaded rod 2, guide screw hole 3, guide way 4, guide screw 5, inflation conical head 6, spacing spout 7, spacing roof 8, inflation oblique angle 9, spacing rubber sleeve 10, hexagon socket head cap screw 1's bottom is provided with threaded rod 2, hexagon socket head cap screw 1's top inboard is provided with guide screw hole 3 vertically downwards, install guide screw 5 in the guide screw hole 3, guide screw 5's bottom is provided with inflation conical head 6, inflation conical head 6 stretches into in the guide way 4, guide way 4 vertically sets up in the bottom of guide screw hole 3 downwards, guide way 4 left and right sides face symmetry is provided with spacing spout 7, slidable mounting has spacing roof 8 in the spacing spout 7, the inboard of spacing roof 8 is provided with the inflation oblique angle 9 that corresponds with inflation conical head 6, The outer side of the limiting top plate 8 is coated with a limiting rubber sleeve 10, the axial leads of the guiding threaded hole 3 and the guiding groove 4 are located on the same straight line, the guiding groove 4 is a vertically-arranged smooth circular groove, two sides of the outer side opening position of the limiting sliding groove 7 are provided with expansion springs 11 connected with the outer side edge of the limiting top plate 8, the length of the threaded section of the guiding screw 5 is larger than the depth of the guiding threaded hole 3, the expansion conical head 6 is in a smooth conical shape, the diameter of the guiding groove 4 is larger than that of the guiding threaded hole 3, and the maximum extending position of the limiting rubber sleeve 10 exceeds the height position of the external thread of the threaded rod 2.
The utility model discloses a combine together hexagon bolt head, threaded rod 2, guide screw hole 3, guide way 4, guide screw 5, inflation conical head 6, spacing spout 7, spacing roof 8, inflation oblique angle 9, spacing rubber sleeve 10, through experimental optimization, can make interior hexagon bolt install carry out the auto-lock after nuclear power station equipment locking, the bolt that the condition such as effective prevention equipment vibrations, external impact caused is not hard up breaks away from, promotes bolted connection's security.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. The utility model provides a hexagon socket head cap screw for nuclear power station which characterized in that: the novel hexagonal bolt comprises an inner hexagonal bolt head (1), a threaded rod (2), a guide threaded hole (3), a guide groove (4), a guide screw (5), an expansion conical head (6), a limiting sliding groove (7), a limiting top plate (8), an expansion oblique angle (9) and a limiting rubber sleeve (10), wherein the threaded rod (2) is arranged at the bottom of the inner hexagonal bolt head (1), the guide threaded hole (3) is vertically and downwards arranged on the inner side of the top of the inner hexagonal bolt head (1), the guide screw (5) is installed in the guide threaded hole (3), the expansion conical head (6) is arranged at the bottom of the guide screw (5), the expansion conical head (6) extends into the guide groove (4), the guide groove (4) is vertically and downwards arranged at the bottom of the guide threaded hole (3), and the limiting sliding grooves (7) are symmetrically arranged on the left side surface and the right side surface of the, the limiting sliding groove (7) is internally provided with a limiting top plate (8) in a sliding manner, the inner side of the limiting top plate (8) is provided with an expansion oblique angle (9) corresponding to the expansion conical head (6), and the outer side of the limiting top plate (8) is coated with a limiting rubber sleeve (10).
2. The hexagon socket head cap screw for a nuclear power plant as claimed in claim 1, wherein: the axial leads of the guide threaded holes (3) and the guide grooves (4) are positioned on the same straight line.
3. The hexagon socket head cap screw for a nuclear power plant as claimed in claim 1, wherein: the guide groove (4) is a smooth circular groove which is vertically arranged.
4. The hexagon socket head cap screw for a nuclear power plant as claimed in claim 1, wherein: and expansion springs (11) are arranged on two sides of the opening position of the outer side of the limiting sliding groove (7) and connected with the outer side edge of the limiting top plate (8).
5. The hexagon socket head cap screw for a nuclear power plant as claimed in claim 1, wherein: the length of the thread section of the guide screw (5) is greater than the depth of the guide thread hole (3).
6. The hexagon socket head cap screw for a nuclear power plant as claimed in claim 1, wherein: the shape of the expansion cone head (6) is smooth and conical.
7. The hexagon socket head cap screw for a nuclear power plant as claimed in claim 1, wherein: the diameter of the guide groove (4) is larger than that of the guide threaded hole (3).
8. The hexagon socket head cap screw for a nuclear power plant as claimed in claim 1, wherein: the maximum extending position of the limiting rubber sleeve (10) exceeds the height position of the external thread of the threaded rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075257.4U CN211231228U (en) | 2019-11-27 | 2019-11-27 | Hexagonal socket head cap screw for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075257.4U CN211231228U (en) | 2019-11-27 | 2019-11-27 | Hexagonal socket head cap screw for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231228U true CN211231228U (en) | 2020-08-11 |
Family
ID=71932834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922075257.4U Expired - Fee Related CN211231228U (en) | 2019-11-27 | 2019-11-27 | Hexagonal socket head cap screw for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555263A (en) * | 2020-12-03 | 2021-03-26 | 浙江超博尔五金股份有限公司 | Anti-loose and anti-theft bolt |
| CN113685418A (en) * | 2021-09-02 | 2021-11-23 | 浙江盛世瑞金紧固件股份有限公司 | Anti-vibration fastening bolt for automobile engine |
-
2019
- 2019-11-27 CN CN201922075257.4U patent/CN211231228U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555263A (en) * | 2020-12-03 | 2021-03-26 | 浙江超博尔五金股份有限公司 | Anti-loose and anti-theft bolt |
| CN112555263B (en) * | 2020-12-03 | 2022-09-30 | 浙江超博尔五金股份有限公司 | Anti-loose and anti-theft bolt |
| CN113685418A (en) * | 2021-09-02 | 2021-11-23 | 浙江盛世瑞金紧固件股份有限公司 | Anti-vibration fastening bolt for automobile engine |
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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: 20200811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |