CN212028283U - Hexagonal flange large-specification external member locknut - Google Patents
Hexagonal flange large-specification external member locknut Download PDFInfo
- Publication number
- CN212028283U CN212028283U CN202020203180.4U CN202020203180U CN212028283U CN 212028283 U CN212028283 U CN 212028283U CN 202020203180 U CN202020203180 U CN 202020203180U CN 212028283 U CN212028283 U CN 212028283U
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- China
- Prior art keywords
- nut
- screw
- screw rod
- hole
- chock
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- 239000000463 material Substances 0.000 claims description 14
- 230000006978 adaptation Effects 0.000 claims description 11
- 229920003051 synthetic elastomer Polymers 0.000 claims description 9
- 239000005061 synthetic rubber Substances 0.000 claims description 9
- 229910000639 Spring steel Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model relates to a nut technical field specifically is a hexagonal flange big specification external member locknut, including the screw rod, the surface of screw rod is provided with the external screw thread, the surface threaded connection of screw rod has the nut, the inside of nut is provided with the internal thread, threaded hole is seted up to one side of nut, the inside grafting of screw hole has the chock, the inside threaded connection of screw hole has fastening screw, the bottom of nut is provided with the gasket. The utility model has the advantages that: through the matched arrangement of the screw rod, the nut, the threaded hole, the plug block and the fastening screw, the nut can be effectively prevented from loosening, the connection tightness between flanges is enhanced, and the problem that the existing anti-loosening effect is poor is solved; through the cooperation setting of nut, screw hole, chock, fastening screw and gasket, can locking structure simple to operate, occupy less space, solved the current higher economic benefits of cost and low troublesome condition of connecting.
Description
Technical Field
The utility model relates to a nut technical field, especially a hexagonal flange big specification external member locknut.
Background
A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. In the connection between flanges, nuts, which are nuts, are used as fastening parts screwed together with bolts or screws, and an element that is necessary for all production machines is classified into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials. The nut is a part for tightly connecting mechanical equipment, and can be connected with a nut and a bolt with the same specification only through the inner threads, for example, the nut of M4-P0.7 can be connected with the bolt of M4-P0.7 series (in the nut, M4 means that the inner diameter of the nut is about 4mm, and 0.7 means that the distance between two threads is 0.7 mm); also, for aesthetic products, nuts such as 1/4-20 can only fit screws 1/4-20 (1/4 means that the inner diameter of the nut is about 0.25 inch, and 20 means that there are 20 teeth per inch).
The existing large-specification external member locknut with the hexagonal flange has the defects that:
1. the locking effect is not good, and the flange plates are easy to loosen, so that the connection between the flange plates is not tight enough;
2. the anti-loosening cost is higher, the economic benefit is low, and the connection is not simple and convenient enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a hexagonal flange big specification external member locknut.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a hexagonal flange big specification external member locknut, includes the screw rod, the surface of screw rod is provided with the external screw thread, the surface threaded connection of screw rod has the nut, the inside of nut is provided with the internal thread, one side set up threaded hole of nut, the inside grafting of screw hole has the chock, the inside threaded connection of screw hole has fastening screw, the bottom of nut is provided with the gasket, the ring flange main part has been cup jointed to the surface of screw rod, the bottom fixedly connected with bolt head of screw rod.
Optionally, the screw rod is made of high-strength steel, and the screw rod is matched with a round hole formed in the top of the flange main body.
Optionally, the external thread is matched with the internal thread, and the number of turns of the external thread is three times that of the internal thread.
Optionally, the threaded holes are formed in the middle of one side of the nut and are matched with the fastening screws, the threaded holes penetrate through the nut, and the number of the threaded holes is two.
Optionally, the material of chock is synthetic rubber, chock and screw rod looks adaptation, the diameter of chock is the same with the diameter of screw hole, the length of chock is the one third of screw hole length, the quantity of chock is two.
Optionally, the diameter of the fastening bolt is the same as that of the threaded hole, the length of the fastening screw is two thirds of that of the threaded hole, and one side of the fastening screw is provided with a cross groove.
Optionally, the diameter of the gasket is larger than that of the screw rod, the gasket is made of spring steel, the thickness of the gasket is one sixth of that of the nut, and the top of the gasket is provided with a through hole matched with the screw rod.
Optionally, the inside of the flange main body is fixedly connected with a sealing gasket, and the flange main body is fixedly connected with a nut through a screw.
Optionally, the bolt head is hexagonal in shape, and the thickness of the bolt head is half of that of the nut.
The utility model has the advantages of it is following:
1. this big specification external member locknut of hexagonal flange, one side through at the nut is seted up threaded hole, the inside grafting of screw hole has the chock, with the help of produced elastic deformation of chock pressurized and elastic pretightning force, radial and the lateral clearance between crowded dead nut and screw rod and nut and the fastening screw, the chock is the synthetic rubber material, and with screw rod looks adaptation, the coefficient of friction of synthetic rubber is far greater than the coefficient of friction of metal, consequently this kind of elasticity tight rigidity that expands presss from both sides more can inhale the shake than simple rigidity is tight, thereby vibration absorption and vibration elimination have strengthened the reliability of auto-lock, through the screw rod, the nut, the screw hole, the cooperation setting of chock and fastening screw, can effectually prevent that the nut is not hard up, the connection compactness between the reinforcing flange, the current not good condition of locking effect has been solved.
2. This big specification external member locknut of hexagonal flange, one side through at the nut sets up threaded hole, it has the chock to peg graft in the inside of screw hole, the material of chock is synthetic rubber, chock and screw rod looks adaptation, can with the fastening screw cooperation, it is inseparabler to make to be connected between screw rod and the nut, bottom through at the nut is provided with the gasket, the material of gasket is the spring steel, can give the nut second locking effect, make the locking effect of its nut better, simultaneously need not be with the help of unnecessary exterior structure, space and material have been saved, through the nut, the screw hole, the chock, the cooperation setting of fastening screw and gasket, can anti-loosening structure simple to operate, occupy less space, the trouble condition of connecting has been solved to the higher economic benefits of current cost.
Drawings
Fig. 1 is a schematic view of a first view structure of the present invention;
fig. 2 is a schematic view of a second perspective structure of the present invention;
fig. 3 is a schematic view of a third view structure of the present invention;
FIG. 4 is a schematic sectional view of the present invention;
fig. 5 is a schematic structural view of the nut of the present invention;
fig. 6 is a schematic view of the structure of the chock of the present invention.
In the figure: 1-screw rod, 2-external thread, 3-nut, 4-internal thread, 5-threaded hole, 6-chock, 7-fastening screw, 8-gasket, 9-flange body and 10-bolt head.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-6, a large-specification hexagonal flange external member locknut comprises a screw rod 1, an external thread 2 is arranged on the outer surface of the screw rod 1, a nut 3 is connected to the outer surface of the screw rod 1 in a threaded manner, an internal thread 4 is arranged inside the nut 3, a threaded hole 5 is formed in one side of the nut 3, a plug block 6 is inserted inside the threaded hole 5, a fastening screw 7 is connected to the internal thread of the threaded hole 5, a gasket 8 is arranged at the bottom of the nut 3, a flange main body 9 is sleeved on the outer surface of the screw rod 1, and a bolt head 10 is fixedly connected to the bottom.
As an optimal technical solution of the utility model: the material of screw rod 1 is high strength steel, screw rod 1 and the round hole looks adaptation that the ring flange main part 9 top was seted up, screw rod 1 runs through ring flange main part 9, ring flange main part 9 passes through screw rod 1 and another flange structure fixed connection, external screw thread 2 and internal thread 4 looks adaptation, the number of turns of external screw thread 2 is three times of the internal thread 4 number of turns, screw hole 5 is seted up in the middle part of nut 3 one side, screw hole 5 and fastening screw 7 looks adaptation, screw hole 5 runs through nut 3, the quantity of screw hole 5 is two, the material of chock 6 is synthetic rubber, chock 6 and screw rod 1 looks adaptation, the diameter of chock 6 is the same with the diameter of screw hole 5, the length of chock 6 is one third of screw hole 5 length, the quantity of chock 6 is two, chock 6 fills in screw hole 5 completely, and with screw rod 1 contact, the diameter of fastening bolt 7 is the same with the diameter of screw hole, fastening screw 7's length is two-thirds of screw hole 5 length, cross recess has been seted up to one side of fastening screw 7, fill in behind chock 6, install fastening screw 7 in screw hole 5, make chock 6 and nut 3 and screw rod 1 in close contact with, the diameter of gasket 8 is greater than the diameter of screw rod 1, the material of gasket 8 is the spring steel, the thickness of gasket 8 is one-sixth of nut 3 thickness, the through-hole with screw rod 1 looks adaptation is seted up at the top of gasket 8, gasket 8 plays the locking effect of second way of nut 3, the inside fixedly connected with of ring flange main part 9 is sealed to be filled up, ring flange main part 9 passes through screw rod 1 and nut 3 fixed connection, the shape of bolt head 10 is the hexagon, the thickness of bolt head 10 is half of nut 3.
The working process of the utility model is as follows: the screw 1 is inserted into the bottom of the flange main body 9, another flange structure is connected, the gasket 8 is placed, the nut 3 is installed and screwed, the plug 6 is plugged into the threaded hole 5 on one side of the nut 3, the fastening screw 7 is installed in the threaded hole 5, when vibration occurs, the plug 6 is in close contact with the nut 3 and the screw 1, vibration absorption, vibration elimination and vibration reduction can be achieved, the anti-loosening performance of the nut 3 is enhanced, and meanwhile the gasket 8 can achieve a second anti-loosening effect.
In conclusion, when the hexagonal flange large-specification suite anti-loose nut is used, the threaded hole 5 is formed in one side of the nut 3, the plug block 6 is inserted into the threaded hole 5, radial and lateral gaps between the nut 3 and the screw rod 1 and between the nut 3 and the fastening screw 7 are squeezed by means of elastic deformation and elastic pre-tightening force generated by the compression of the plug block 6, the plug block 6 is made of synthetic rubber, and is matched with the screw rod 1, the friction coefficient of the synthetic rubber is far greater than that of metal, so that compared with pure rigid clamping, the elastic expansion is more capable of absorbing vibration, absorbing vibration and relieving vibration, thereby enhancing the reliability of self-locking, through the matched arrangement of the screw rod 1, the nut 3, the threaded hole 5, the plug block 6 and the fastening screw 7, the nut 3 can be effectively prevented from loosening, the connection tightness between flanges is enhanced, and the problem that the existing anti-loosening effect is poor is solved; through the one side at nut 3 set up threaded hole 5, the inside grafting of screw hole 5 has chock 6, the material of chock 6 is synthetic rubber, chock 6 and 1 looks adaptation of screw rod, can cooperate with fastening screw 7, it is inseparabler to make to be connected between screw rod 1 and the nut 3, bottom through at nut 3 is provided with gasket 8, the material of gasket 8 is the spring steel, can give 3 second locking effects of nut, make its nut 3's locking effect better, need not be with the help of unnecessary exterior structure simultaneously, space and material have been saved, through nut 3, threaded hole 5, chock 6, fastening screw 7 and gasket 8's cooperation setting, can locking structure simple to operate, occupy less space, the trouble condition of the low connection of the higher economic benefits of current cost has been solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a big specification external member locknut of hexagonal flange which characterized in that: including screw rod (1), the surface of screw rod (1) is provided with external screw thread (2), the surface threaded connection of screw rod (1) has nut (3), the inside of nut (3) is provided with internal thread (4), one side set up screw hole (5) of nut (3), the inside grafting of screw hole (5) has chock (6), the inside threaded connection of screw hole (5) has fastening screw (7), the bottom of nut (3) is provided with gasket (8), ring flange main part (9) have been cup jointed to the surface of screw rod (1), the bottom fixedly connected with bolt head (10) of screw rod (1).
2. The large-specification hexagonal flange set locknut of claim 1, wherein: the screw rod (1) is made of high-strength steel, and the screw rod (1) is matched with a round hole formed in the top of the flange plate main body (9).
3. The large-specification hexagonal flange set locknut of claim 1, wherein: the external thread (2) is matched with the internal thread (4), and the number of turns of the external thread (2) is three times that of the internal thread (4).
4. The large-specification hexagonal flange set locknut of claim 1, wherein: the screw hole (5) is arranged in the middle of one side of the nut (3), the screw hole (5) is matched with the fastening screw (7), the screw hole (5) penetrates through the nut (3), and the number of the screw holes (5) is two.
5. The large-specification hexagonal flange set locknut of claim 1, wherein: the material of chock (6) is synthetic rubber, chock (6) and screw rod (1) looks adaptation, the diameter of chock (6) is the same with the diameter of screw hole (5), the length of chock (6) is the third of screw hole (5) length, the quantity of chock (6) is two.
6. The large-specification hexagonal flange set locknut of claim 1, wherein: the diameter of the fastening screw (7) is the same as that of the threaded hole (5), the length of the fastening screw (7) is two thirds of that of the threaded hole (5), and one side of the fastening screw (7) is provided with a cross groove.
7. The large-specification hexagonal flange set locknut of claim 1, wherein: the diameter of gasket (8) is greater than the diameter of screw rod (1), the material of gasket (8) is the spring steel, the thickness of gasket (8) is one sixth of nut (3) thickness, the through-hole with screw rod (1) looks adaptation is seted up at the top of gasket (8).
8. The large-specification hexagonal flange set locknut of claim 1, wherein: the inside fixedly connected with of ring flange main part (9) is sealed to be filled up, ring flange main part (9) pass through screw rod (1) and nut (3) fixed connection.
9. The large-specification hexagonal flange set locknut of claim 1, wherein: the bolt head (10) is hexagonal, and the thickness of the bolt head (10) is half of that of the nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020203180.4U CN212028283U (en) | 2020-02-24 | 2020-02-24 | Hexagonal flange large-specification external member locknut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020203180.4U CN212028283U (en) | 2020-02-24 | 2020-02-24 | Hexagonal flange large-specification external member locknut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212028283U true CN212028283U (en) | 2020-11-27 |
Family
ID=73491536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020203180.4U Expired - Fee Related CN212028283U (en) | 2020-02-24 | 2020-02-24 | Hexagonal flange large-specification external member locknut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212028283U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446300A (en) * | 2021-07-05 | 2021-09-28 | 国网山东省电力公司泰安供电公司 | Anti-loose nut |
| CN114001082A (en) * | 2021-11-11 | 2022-02-01 | 嘉兴紫云精密科技股份有限公司 | Hexagonal flange large-specification external member locking nut |
| CN114294312A (en) * | 2022-01-06 | 2022-04-08 | 四川精诚能源设备有限公司 | Anti-loosening super bolt |
| CN114294312B (en) * | 2022-01-06 | 2024-07-12 | 四川精诚能源设备有限公司 | Anti-loose super bolt |
-
2020
- 2020-02-24 CN CN202020203180.4U patent/CN212028283U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446300A (en) * | 2021-07-05 | 2021-09-28 | 国网山东省电力公司泰安供电公司 | Anti-loose nut |
| CN113446300B (en) * | 2021-07-05 | 2022-06-17 | 国网山东省电力公司泰安供电公司 | Anti-loose nut |
| CN114001082A (en) * | 2021-11-11 | 2022-02-01 | 嘉兴紫云精密科技股份有限公司 | Hexagonal flange large-specification external member locking nut |
| CN114294312A (en) * | 2022-01-06 | 2022-04-08 | 四川精诚能源设备有限公司 | Anti-loosening super bolt |
| CN114294312B (en) * | 2022-01-06 | 2024-07-12 | 四川精诚能源设备有限公司 | Anti-loose super bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210819 Address after: 437000 Xian'an Economic Development Zone, Xianning City, Hubei Province Patentee after: Xianning longfuquan Electronics Co.,Ltd. Address before: Room 2, No. 529, Tuanxi village, Datuan Town, Pudong New Area, Shanghai, 200120 Patentee before: Cheng Lei |
|
| 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: 20201127 |