CN113897817A - Railway track anti-drop nut - Google Patents
Railway track anti-drop nut Download PDFInfo
- Publication number
- CN113897817A CN113897817A CN202111195859.9A CN202111195859A CN113897817A CN 113897817 A CN113897817 A CN 113897817A CN 202111195859 A CN202111195859 A CN 202111195859A CN 113897817 A CN113897817 A CN 113897817A
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- CN
- China
- Prior art keywords
- nut
- pressure plate
- groove
- hole
- nut main
- 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.)
- Pending
Links
- 239000004677 Nylon Substances 0.000 claims abstract description 21
- 229920001778 nylon Polymers 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims 6
- 230000001681 protective effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses an anti-falling nut for a railway track, which comprises a nut main body, side pressure plates, nylon pressure plates, side grooves, side thread holes and locking bolts, wherein a main thread hole is formed in the axis of the nut main body, a plurality of side grooves are formed in the side walls of the main thread hole, the side grooves are vertically arranged strip-shaped grooves, one side pressure plate is arranged in each side groove, the nylon pressure plate is fixed on the side, close to the axis of the nut main body, of each side pressure plate, the side thread holes are formed in the end, far away from the axis of the nut main body, of each side groove, the side thread holes are formed in the side walls of the nut main body, the locking bolts are screwed in the side thread holes, and the locking bolts penetrate through the side thread holes to abut against the side pressure plates. According to the invention, the side pressure plates, the nylon pressure plate and the locking bolt are matched, so that the nut can be locked by the locking bolt after the nut main body is screwed down, and the nut is not easy to loosen.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of nuts.
[ background of the invention ]
Nuts are used for fixing on railway rails. Due to the particularity of the railway track, the nut is not easy to loosen, and great potential safety hazards can be brought once the nut loosens or even falls off. The existing nut can not well meet the requirement.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides an anti-falling nut for a railway track, which can prevent the nut from loosening and falling off easily.
In order to achieve the purpose, the invention provides an anti-falling nut for a railway track, which comprises a nut main body, side pressure plates, nylon pressure plates, side grooves, side thread holes and locking bolts, wherein a main thread hole is formed in the axis of the nut main body, a plurality of side grooves are formed in the side wall of the main thread hole, the side grooves are vertically arranged strip-shaped grooves, one side pressure plate is arranged in each side groove, the nylon pressure plate is fixed on the side, close to the axis of the nut main body, of each side pressure plate, a plurality of side thread holes are formed in the end, far away from the axis of the nut main body, of each side groove, each side thread hole is formed in the side wall of the nut main body, each locking bolt is screwed in each side thread hole, and each locking bolt penetrates through each side thread hole to abut against the corresponding side pressure plate.
Preferably, the side grooves are uniformly distributed on the side wall of the main threaded hole, and the width of each side groove is slightly larger than that of each side pressure plate.
Preferably, the side grooves are open at the top end of the nut body, and the depth of the horizontal row of the side grooves is greater than the total thickness of the side pressure plates and the nylon pressure plate.
Preferably, the side surface of the bottommost part of the side groove is an inclined surface inclined downwards to the side far away from the axis of the main threaded hole, a downward inclined hole is arranged on the side surface of the bottommost part of the side groove, and the inclined hole is opened on the outer wall of the nut body.
Preferably, a guide hole is formed in the center of the end, away from the axis of the nut body, of the side groove, the guide hole is a rectangular hole, a guide rod is inserted into the guide hole, and the guide rod is fixed with the side pressing plate.
Preferably, the nut body is hexagonal, a protective cover with an opening at the lower end is sleeved outside the nut body, the inner wall of the protective cover is matched with the outer wall of the nut body, a plurality of auxiliary grooves matched with the locking bolts are formed in the inner wall of the protective cover, and the part, located outside the nut body, of each locking bolt is located in each auxiliary groove.
Preferably, the side of the side pressure plate, which is close to the nylon pressure plate, is provided with a plurality of clamping grooves which are sunken downwards, and the nylon pressure plate is provided with a plurality of clamping strips which are embedded into the clamping grooves.
The invention has the beneficial effects that: according to the invention, the side pressure plates, the nylon pressure plate and the locking bolt are matched, so that the nut can be locked by the locking bolt after the nut main body is screwed down, and the nut is not easy to loosen; the arrangement of the protective cover enables the nut main body and the locking bolt to be effectively protected and not easy to damage.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a railway rail anti-drop nut of the present invention.
In the figure: 1-nut main body, 2-side groove, 3-protective cover, 10-main threaded hole, 20-guide hole, 21-side pressure plate, 22-nylon pressure plate, 23-clamping groove, 24-clamping strip, 25-guide rod, 26-side threaded hole, 27-locking bolt, 28-inclined hole and 30-auxiliary groove.
[ detailed description ] embodiments
Referring to fig. 1, the anti-drop nut for railway tracks comprises a nut body 1, side pressure plates 21, nylon pressure plates 22, side grooves 2, side thread holes 26 and locking bolts 27, wherein a main thread hole 10 is formed in the axis of the nut body 1, a plurality of side grooves 2 are formed in the side walls of the main thread hole 10, each side groove 2 is a vertically arranged strip-shaped groove, one side pressure plate 21 is arranged in each side groove 2, the nylon pressure plate 22 is fixed on the side, close to the axis of the nut body 1, of each side pressure plate 21, a plurality of side thread holes 26 are formed in the end, far away from the axis of the nut body 1, of each side groove 2, each side thread hole 26 is opened in the side wall of the nut body 1, each locking bolt 27 is screwed in each side thread hole 26, each locking bolt 27 penetrates through each side thread hole 26 to abut against each side pressure plate 21, each side groove 2 is uniformly distributed on the side wall of the main thread hole 10, the width of each side groove 2 is slightly larger than the width of each side pressure plate 21, the side groove 2 is opened at the top end of the nut main body 1, the depth of the side groove 2 in the horizontal direction is larger than the total thickness of the side pressing plate 21 and the nylon pressing plate 22, the side surface of the bottommost part of the side groove 2 is an inclined surface which inclines downwards towards the side far away from the axis of the main threaded hole 10, the side surface of the bottommost part of the side groove 2 is provided with an inclined hole 28 which inclines downwards, the inclined hole 28 is opened on the outer wall of the nut main body 1, the center of the end of the side groove 2 far away from the axis of the nut main body 1 is provided with a guide hole 20, the guide hole 20 is a rectangular hole, a guide rod 25 is inserted in the guide hole 20, the guide rod 25 is fixed with the side pressing plate 21, the nut main body 1 is hexagonal, the outer part of the nut main body 1 is sleeved with a protective cover 3 with an opening at the lower end, the inner wall of the protective cover 3 is matched with the outer wall of the nut main body 1, the inner wall of the protective cover 3 is provided with a plurality of auxiliary grooves 30 matched with locking bolts 27, the part of the locking bolt 27, which is positioned outside the nut main body 1, is positioned in the auxiliary groove 30, the side of the side pressure plate 21, which is close to the nylon pressure plate 22, is provided with a plurality of clamping grooves 23 which are sunken downwards, and the nylon pressure plate 22 is provided with a plurality of clamping strips 24 which are embedded into the clamping grooves 23.
The working process of the invention is as follows:
in the working process of the anti-falling nut for the railway track, the side pressure plate 21, the nylon pressure plate 22 and the locking bolt 27 are matched, so that the nut body 1 can be locked by the locking bolt 27 after being screwed down, and the nut is not easy to loosen; the arrangement of the protective cover 3 enables the nut body 1 and the locking bolt 27 to be effectively protected and not easily damaged.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a railway rails anti-drop nut which characterized in that: including nut main part (1), side pressure plate (21), nylon clamp plate (22), side groove (2), side screw hole (26), locking bolt (27), be equipped with one main screw hole (10) on the axis of nut main part (1), be equipped with a plurality of side groove (2) on the lateral wall of main screw hole (10), side groove (2) are the bar groove of vertical setting, are equipped with one side pressure plate (21) in side groove (2), and the side of being close to nut main part (1) axis of side pressure plate (21) is fixed with nylon clamp plate (22), keeping away from nut main part (1) axis end of side groove (2) is equipped with a plurality of side screw hole (26), and side screw hole (26) open-ended on the lateral wall of nut main part (1), has twisted on side screw hole (26) locking bolt (27), and locking bolt (27) pass side screw hole (26) and support side pressure plate (21).
2. A railway track drop-off prevention nut as claimed in claim 1, wherein: the side grooves (2) are uniformly distributed on the side wall of the main threaded hole (10), and the width of each side groove (2) is slightly larger than that of each side pressure plate (21).
3. A railway track drop-off prevention nut as claimed in claim 1, wherein: the side grooves (2) are opened at the top end of the nut main body (1), and the depth of the side grooves (2) in the horizontal direction is larger than the total thickness of the side pressing plates (21) and the nylon pressing plate (22).
4. A railway track drop-off prevention nut as claimed in claim 1, wherein: the side face of the bottommost part of the side groove (2) is an inclined face inclining downwards towards the side far away from the axis of the main threaded hole (10), the side face of the bottommost part of the side groove (2) is provided with an inclined hole (28) inclining downwards, and the inclined hole (28) is opened on the outer wall of the nut main body (1).
5. A railway track drop-off prevention nut as claimed in claim 1, wherein: a guide hole (20) is formed in the center of the end, far away from the axis of the nut body (1), of the side groove (2), the guide hole (20) is a rectangular hole, a guide rod (25) is inserted into the guide hole (20), and the guide rod (25) is fixed with the side pressing plate (21).
6. A railway track drop-off prevention nut as claimed in claim 1, wherein: the nut main part (1) is hexagonal, the outside cover of nut main part (1) has a lower extreme open-ended visor (3), and visor (3) inner wall suits with the outer wall of nut main part (1), is equipped with a plurality of auxiliary groove (30) that suit with locking bolt (27) on the inner wall of visor (3), and the part that is located nut main part (1) outside of locking bolt (27) is located auxiliary groove (30).
7. A railway track drop-off prevention nut as claimed in claim 1, wherein: the side of the side pressure plate (21) close to the nylon pressure plate (22) is provided with a plurality of clamping grooves (23) which are sunken downwards, and the nylon pressure plate (22) is provided with a plurality of clamping strips (24) embedded into the clamping grooves (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195859.9A CN113897817A (en) | 2021-10-14 | 2021-10-14 | Railway track anti-drop nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195859.9A CN113897817A (en) | 2021-10-14 | 2021-10-14 | Railway track anti-drop nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113897817A true CN113897817A (en) | 2022-01-07 |
Family
ID=79191925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111195859.9A Pending CN113897817A (en) | 2021-10-14 | 2021-10-14 | Railway track anti-drop nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113897817A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280741A (en) * | 1998-03-30 | 1999-10-15 | Kansai Electric Power Co Inc:The | Preventive method of bolt from coming off and apparatus therefor |
| CN1734106A (en) * | 2004-08-03 | 2006-02-15 | 德事隆国际公司 | Rivetless nut plate |
| CN103867549A (en) * | 2014-04-07 | 2014-06-18 | 松阳县永新机械制造有限公司 | Nut and screw assembly, locking tool, locking method and unlocking method |
| CN205895839U (en) * | 2016-08-01 | 2017-01-18 | 海盐龙腾高强度紧固件有限公司 | Difficult not hard up bolt group |
| CN207701567U (en) * | 2017-12-11 | 2018-08-07 | 嘉兴市群邦五金有限公司 | A kind of nylon locking nut |
| CN108488194A (en) * | 2018-06-09 | 2018-09-04 | 海盐卫士标准件有限公司 | A kind of anti-theft nut for being not easy to unscrew |
| CN110821941A (en) * | 2019-09-29 | 2020-02-21 | 宁波金鼎紧固件有限公司 | Triangular tooth flange bolt assembly of lock takes one's place |
| CN213451257U (en) * | 2020-11-11 | 2021-06-15 | 扬州三劦紧固件有限公司 | Locking nut |
-
2021
- 2021-10-14 CN CN202111195859.9A patent/CN113897817A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280741A (en) * | 1998-03-30 | 1999-10-15 | Kansai Electric Power Co Inc:The | Preventive method of bolt from coming off and apparatus therefor |
| CN1734106A (en) * | 2004-08-03 | 2006-02-15 | 德事隆国际公司 | Rivetless nut plate |
| CN103867549A (en) * | 2014-04-07 | 2014-06-18 | 松阳县永新机械制造有限公司 | Nut and screw assembly, locking tool, locking method and unlocking method |
| CN205895839U (en) * | 2016-08-01 | 2017-01-18 | 海盐龙腾高强度紧固件有限公司 | Difficult not hard up bolt group |
| CN207701567U (en) * | 2017-12-11 | 2018-08-07 | 嘉兴市群邦五金有限公司 | A kind of nylon locking nut |
| CN108488194A (en) * | 2018-06-09 | 2018-09-04 | 海盐卫士标准件有限公司 | A kind of anti-theft nut for being not easy to unscrew |
| CN110821941A (en) * | 2019-09-29 | 2020-02-21 | 宁波金鼎紧固件有限公司 | Triangular tooth flange bolt assembly of lock takes one's place |
| CN213451257U (en) * | 2020-11-11 | 2021-06-15 | 扬州三劦紧固件有限公司 | Locking nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220107 |