CN219865817U - Lock nut for rail transit link - Google Patents
Lock nut for rail transit link Download PDFInfo
- Publication number
- CN219865817U CN219865817U CN202321100936.2U CN202321100936U CN219865817U CN 219865817 U CN219865817 U CN 219865817U CN 202321100936 U CN202321100936 U CN 202321100936U CN 219865817 U CN219865817 U CN 219865817U
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- China
- Prior art keywords
- nut
- extrusion
- side edge
- main screw
- disc
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Links
- 238000001125 extrusion Methods 0.000 claims abstract description 56
- 230000013011 mating Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000670 limiting effect Effects 0.000 abstract description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
Landscapes
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The utility model discloses a locknut for rail transit linkage, which relates to the field of nuts and comprises a nut body, wherein a main screw is vertically and downwards welded on the bottom surface of the nut body, an extrusion nut is sleeved on the outer side edge of the main screw, a matching disc is horizontally sleeved on the outer side edge of the main screw, a concentric through groove is formed in the top surface of the matching disc, the matching nut is welded on the bottom surface of the matching disc, a fixing screw hole is vertically formed in the inner side edge of the matching nut, a fastening screw hole is vertically formed in the inner side edge of the extrusion nut, an extrusion bottom block is vertically and downwards welded on the bottom surface of the extrusion nut, a matching screw groove is formed in the side edge of the extrusion bottom block, the nut body is in a hexagon shape, the top end of the main screw is fixedly arranged at the center of the bottom surface of the nut body, a semi-annular structure is adopted to enable the locking limiting effect to be formed, and meanwhile, the locking nut is further fastened under eccentric extrusion fixing to prevent rotation operation.
Description
Technical Field
The utility model relates to the technical field of nuts, in particular to a locknut for rail transit links.
Background
Nuts are parts of nuts which are screwed with bolts or screws to play a role in fastening, and all components which are necessary for manufacturing machines are classified into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials.
When the existing rail transit is installed, various nuts are required to be used for fixing connection operation, the traditional nuts are screwed down and fixed through threads under the condition that the loosening is required to be prevented during the fixing operation for safety, and the existing rail transit is not easy to be connected and used due to the fact that the loosening is formed under the condition of long-time vibration.
Disclosure of Invention
The utility model aims to provide a locknut for rail transit linkage, which is used for solving the problems that in the prior art, when the existing rail transit is installed, various nuts are needed to be used for fixing and connecting operation, the conventional nuts are screwed and fixed through threads for safety when the fixing operation needs to be prevented from loosening, and the existing rail transit is not easy to use due to loosening under the condition of long-time vibration.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a locknut for track traffic is linked, includes the nut body, the perpendicular welding of bottom surface of the nut body has the main screw rod downwards, extrusion nut has been cup jointed to the lateral margin of main screw rod, the lateral margin level of main screw rod has cup jointed the cooperation disc, concentric logical groove has been seted up to the top surface of cooperation disc, the bottom surface welding of cooperation disc has the cooperation nut, the fixed screw has been vertically seted up to the medial side of cooperation nut, the vertical fastening screw that has seted up to of medial side of extrusion nut, extrusion nut's bottom surface perpendicular welding downwards has extrusion bottom piece, the side of extrusion bottom piece is provided with the cooperation helicoid.
As a preferred embodiment of the present utility model: the nut body is hexagonal shape setting, and the top of main screw rod is fixed to be set up in the bottom surface central point of the nut body, and the outside limit of main screw rod is close to the bottom and evenly is provided with the screw thread.
As a preferred embodiment of the present utility model: the extrusion nut is sleeved at one end position of the outer side edge of the main screw rod, which is close to the nut body, and the extrusion nut is in threaded connection with the outer side edge of the main screw rod through a central fastening screw hole.
As a preferred embodiment of the present utility model: the cooperation disc and extrusion nut are overlapped parallel arrangement each other and are set up in the top surface central point of cooperation disc in the concentric logical groove, concentric logical groove cup joints the outside limit that sets up at the main screw rod.
As a preferred embodiment of the present utility model: the specification and the size of the matched nut and the specification and the size of the extrusion nut are kept consistent, and the top end of the matched nut is fixedly arranged at the center of the bottom surface of the matched disc.
As a preferred embodiment of the present utility model: the top of fixed screw and the inside of concentric logical groove keep the logical setting that connects, and the extrusion bottom piece is the fixed bottom surface that sets up at extrusion nut of semi-ring, and the fixed bottom opening edge position that sets up in the fastening screw in top of extrusion bottom piece, and the side of extrusion bottom piece is the slope form setting, and extrusion bottom piece grafting sets up the medial side in concentric logical groove, cooperation helicoid groove and the lateral side threaded connection setting of main screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the main screw is inserted into the track connecting hole, the central fastening screw hole is in threaded connection with the outer side edge of the main screw after the extrusion nut is sleeved at the penetrating end, then the matched disc on the top surface is arranged at the top position after the matched nut is sleeved, the connecting position is fastened and fixed with the nut body after the extrusion nut is rotated, then the concentric through groove is sleeved and arranged on the outer side edge of the extrusion bottom block after the matched nut is rotated and moved upwards, the fastening position of the matched nut is fixed on the bottom surface of the extrusion nut, the buckle limiting effect can be formed by adopting the semi-annular structure, and meanwhile, the rotary operation is further prevented by further fastening under the eccentric extrusion fixing.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of a locknut for rail transit links;
FIG. 2 is a schematic structural view of a mating disc top view connection detail for a locknut for rail transit links;
FIG. 3 is a schematic structural view of a mating nut front cross-sectional connection detail for a locknut for rail transit links;
fig. 4 is a schematic illustration of the construction of a compression nut front cross-section connection detail for a locknut for rail transit links.
In the figure: 1. a nut body; 2. a main screw; 3. extruding a nut; 4. a matching disc; 5. concentric through grooves; 6. matching a nut; 7. fixing the screw holes; 8. fastening the screw hole; 9. extruding the bottom block; 10. matching with the screw groove.
Detailed Description
Referring to fig. 1-4, in the embodiment of the utility model, a locknut for rail transit link comprises a nut body 1, wherein a main screw rod 2 is vertically welded downwards on the bottom surface of the nut body 1, the nut body 1 is arranged in a hexagonal shape, the top end of the main screw rod 2 is fixedly arranged at the center position of the bottom surface of the nut body 1, threads are uniformly arranged on the outer side edge of the main screw rod 2 close to the bottom end, an extrusion nut 3 is sleeved on the outer side edge of the main screw rod 2, the extrusion nut 3 is sleeved on the outer side edge of the main screw rod 2 close to one end position of the nut body 1, the extrusion nut 3 is in threaded connection with the outer side edge of the main screw rod 2 through a central fastening screw hole 8, a matching disc 4 is horizontally sleeved on the outer side edge of the main screw rod 2, concentric through grooves 5 are formed on the top surface of the matching disc 4, the matching disc 4 and the extrusion nut 3 are mutually overlapped in parallel arrangement, the concentric through groove 5 is arranged at the center position of the top surface of the matching disc 4 in a penetrating way, the concentric through groove 5 is sleeved on the outer side edge of the main screw rod 2, the matching nut 6 is welded on the bottom surface of the matching disc 4, the specification and the size of the matching nut 6 and the specification and the size of the extrusion nut 3 are mutually consistent, the top end of the matching nut 6 is fixedly arranged at the center position of the bottom surface of the matching disc 4, the inner side edge of the matching nut 6 is vertically provided with a fixing screw hole 7, the inner side edge of the extrusion nut 3 is vertically provided with a fastening screw hole 8, the bottom surface of the extrusion nut 3 is vertically and downwards welded with an extrusion bottom block 9, the side edge of the extrusion bottom block 9 is provided with a matching screw groove 10, the top end of the fixing screw hole 7 is in communication connection with the inner part of the concentric through groove 5, the extrusion bottom block 9 is in a semi-ring shape and fixedly arranged on the bottom surface of the extrusion nut 3, and the top end of the extrusion bottom block 9 is fixedly arranged at the edge of the bottom opening of the fastening screw hole 8, the side edge of the extrusion bottom block 9 is obliquely arranged, the extrusion bottom block 9 is inserted and arranged at the inner side edge of the concentric through groove 5, and the matching screw groove 10 is in threaded connection with the outer side edge of the main screw 2.
The working principle of the utility model is as follows:
the main screw rod 2 is inserted into the track connecting hole, the through end is sleeved with the extrusion nut 3, the fastening screw hole 8 in the center is in threaded connection with the outer side edge of the main screw rod 2, then the matched disc 4 on the top surface is arranged at the top position after the matched nut 6 is sleeved, the matched nut 3 is rotated and then fastened and fixed with the nut body 1 at the connecting position, then the matched nut 6 at the bottom is rotated and moved upwards, the concentric through groove 5 is sleeved and arranged on the outer side edge of the extrusion bottom block 9, and the bottom surface of the extrusion nut 3 is fixed after the matched nut 6 is fastened.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A locknut for track traffic is linked, includes nut body (1), its characterized in that, the bottom surface of nut body (1) has welded perpendicularly downwards main screw rod (2), extrusion nut (3) have been cup jointed to the outside limit of main screw rod (2), cooperation disc (4) have been cup jointed to the outside limit level of main screw rod (2), concentric logical groove (5) have been seted up to the top surface of cooperation disc (4), the bottom surface welding of cooperation disc (4) has cooperation nut (6), fixed screw (7) have been seted up to the medial edge of cooperation nut (6) is vertical, fastening screw (8) have been seted up to the medial edge of extrusion nut (3) is vertical, the bottom surface of extrusion nut (3) has welded perpendicularly downwards extrusion bottom block (9), the side of extrusion bottom block (9) is provided with cooperation helicoid (10).
2. The locknut for rail transit linkage according to claim 1, wherein the nut body (1) is arranged in a hexagonal shape, the top end of the main screw (2) is fixedly arranged at the center of the bottom surface of the nut body (1), and threads are uniformly arranged on the outer side edge of the main screw (2) close to the bottom end.
3. The locknut for rail transit linkage according to claim 1, wherein the extrusion nut (3) is sleeved at a position close to one end of the nut body (1) at the outer side edge of the main screw (2), and the extrusion nut (3) is in threaded connection with the outer side edge of the main screw (2) through a central fastening screw hole (8).
4. The locknut for rail transit linkage according to claim 1, wherein the matching disc (4) and the extrusion nut (3) are arranged in a stacked parallel manner, the concentric through groove (5) is arranged at the center of the top surface of the matching disc (4) in a penetrating manner, and the concentric through groove (5) is sleeved on the outer side edge of the main screw (2).
5. Locknut for rail transit linkage according to claim 1, characterized in that the specification size of the mating nut (6) and the specification size of the extrusion nut (3) are kept consistent with each other, and the top end of the mating nut (6) is fixedly arranged at the center of the bottom surface of the mating disc (4).
6. The locknut for rail transit linkage according to claim 1, wherein the top end of the fixing screw hole (7) is in communication with the inside of the concentric through groove (5), the extrusion bottom block (9) is arranged on the bottom surface of the extrusion nut (3) in a semi-annular fixed manner, the top end of the extrusion bottom block (9) is fixedly arranged at the edge position of the bottom opening of the fastening screw hole (8), the side edge of the extrusion bottom block (9) is arranged in an inclined manner, the extrusion bottom block (9) is inserted and arranged on the inner side edge of the concentric through groove (5), and the matching screw groove (10) is in threaded connection with the outer side edge of the main screw (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100936.2U CN219865817U (en) | 2023-05-09 | 2023-05-09 | Lock nut for rail transit link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100936.2U CN219865817U (en) | 2023-05-09 | 2023-05-09 | Lock nut for rail transit link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865817U true CN219865817U (en) | 2023-10-20 |
Family
ID=88325631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321100936.2U Active CN219865817U (en) | 2023-05-09 | 2023-05-09 | Lock nut for rail transit link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865817U (en) |
-
2023
- 2023-05-09 CN CN202321100936.2U patent/CN219865817U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |