CN217682716U - Fastener with lubrication hole - Google Patents
Fastener with lubrication hole Download PDFInfo
- Publication number
- CN217682716U CN217682716U CN202123327214.4U CN202123327214U CN217682716U CN 217682716 U CN217682716 U CN 217682716U CN 202123327214 U CN202123327214 U CN 202123327214U CN 217682716 U CN217682716 U CN 217682716U
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- lubricating
- annular
- fastening
- fastener
- lubrication
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Abstract
The utility model relates to a fastener with a lubrication hole, which comprises a fastening cap and a fastening rod connected with the fastening cap, wherein the bottom of the fastening cap is provided with an annular mounting groove, a gasket is arranged in the annular mounting groove, the gasket comprises a top plane, a bottom plane, an outer straight cylindrical surface and an inner conical surface, and the inner conical surface of the gasket extends to the top of the fastening rod; the top of the fastening cap is provided with an annular lubricating port, the bottom of the annular lubricating port is provided with a plurality of lubricating holes, and the end parts of the lubricating holes extend to the inner side conical surface of the gasket; after the fastening piece is fixedly installed on the equipment main body, when lubrication is needed, lubricating oil is injected into the lubricating hole in a point injection mode, flows to the inner side conical surface of the gasket through the lubricating hole and flows to the top peripheral surface position of the fastening rod along the inner side conical surface, so that the lubricating oil permeates into a connecting gap between the fastening rod and the equipment main body, the fixed-point lubricating function of the fastening rod is realized, and the lubricating operation is convenient and the precision is high.
Description
Technical Field
The utility model belongs to the technical field of the fastener structure and specifically relates to a take fastener of lubrication hole.
Background
The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener has wide application industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts.
After the fastener is connected on the equipment main part, need often pour into lubricating oil into at fastening screw and the hookup location of equipment main part, prevent that fastening screw from blocking, however, in actual use, fastening screw and equipment main part are connected the back, and the fastening cap laminating is on equipment main part surface, and when point notes lubrication, lubricating oil is difficult to enter into the hookup location of fastening screw and equipment main part, can't realize the lubricated work after the installation.
Disclosure of Invention
The utility model aims at providing a take fastener of lubrication hole in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a fastener with a lubricating hole comprises a fastening cap and a fastening rod connected with the fastening cap, wherein an annular mounting groove is formed in the bottom of the fastening cap, a gasket is arranged in the annular mounting groove and comprises a top plane, a bottom plane, an outer straight cylindrical surface and an inner conical surface, and the inner conical surface of the gasket extends to the top of the fastening rod;
the top of locking cap is equipped with annular lubrication mouth, and the bottom of annular lubrication mouth is equipped with a plurality of lubrication holes, and the tip of lubrication hole extends to the inboard conical surface of packing ring.
Furthermore, an annular dustproof cover is arranged in the annular lubricating port.
Furthermore, a plurality of lubrication holes are circumferentially and uniformly distributed at the bottom of the annular lubrication port.
Further, the locking cap and the tighrening rod integrated into one piece have the screw thread on the global of tighrening rod.
Furthermore, the cross sections of the gasket and the annular mounting groove are both trapezoidal.
Further, the thickness of the gasket is larger than the depth of the annular mounting groove.
Further, the gasket is made of rubber.
The utility model has the advantages that: this fastener is after fixed mounting in the equipment main part, when needing to lubricate, take off the intraoral annular shield of annular lubrication, through the mode of point notes pouring lubricating oil into towards the lubrication hole, lubricating oil flows the inboard conical surface of packing ring through the lubrication hole, and along the global position in top of inboard conical surface flow direction tighrening rod, thereby permeate in the connecting gap of tighrening rod and equipment main part, better lubrication effect has been reached, this fastener passes through the structural design of the inboard conical surface of lubrication hole cooperation packing ring, the fixed point lubrication function of tighrening rod has been realized, lubrication operation is convenient and the precision is high.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention before installing the gasket;
fig. 3 is a schematic view of the installation of the present invention on the main body of the apparatus;
fig. 4 is a schematic structural diagram of the gasket of the present invention.
Detailed Description
As shown in fig. 1 to 3, a fastener with a lubrication hole comprises a fastening cap 1 and a fastening rod 2 connected with the fastening cap 1, wherein the fastening cap and the fastening rod are integrally formed, the peripheral surface of the fastening rod is provided with threads, the bottom of the fastening cap 1 is provided with an annular mounting groove 3, and a gasket 4 is arranged in the annular mounting groove 3;
as shown in fig. 4, the washer 4 includes a top plane 41, a bottom plane 42, an outer straight cylindrical surface 43, and an inner tapered surface 44, and the inner tapered surface 44 of the washer 4 extends to the top of the fastening rod 2;
in addition, the top of the fastening cap 1 is provided with an annular lubricating opening 5, the bottom of the annular lubricating opening 5 is provided with a plurality of lubricating holes 6, the end parts of the lubricating holes 6 extend to the inner side conical surface 44 of the gasket 4, and the plurality of lubricating holes 6 are uniformly distributed at the bottom of the annular lubricating opening 5 in the circumferential direction.
Further, an annular dustproof cover 7 is arranged in the annular lubricating port 5, and before lubricating operation, the annular dustproof cover 7 is installed in the annular lubricating port 5 to prevent external dust from entering the annular lubricating port 5.
In this embodiment, the cross-sections of the gasket 4 and the annular mounting groove 3 are both trapezoidal, the gasket 4 is made of rubber, the thickness of the gasket 4 is greater than the depth of the annular mounting groove 3, and the bottom plane 42 of the gasket 4 can be ensured to be in close contact with the surface of the device main body 8.
This fastener is after fixed mounting on equipment main part 8, when needing to lubricate, take off annular shield 7 in the annular lubrication mouth 5, mode through the point is annotated injects lubricating oil in 6 lubricating holes, lubricating oil flows the inboard conical surface 44 of packing ring 4 through lubricating holes 6, and along the global position in the top of inboard conical surface 44 flow direction anchorage bar 2, thereby permeate in the connecting gap of anchorage bar 2 and equipment main part 8, better lubrication effect has been reached, this fastener passes through the structural design of the inboard conical surface 44 of 6 cooperation packing rings in lubricating holes, the fixed point lubrication function of anchorage bar has been realized, lubrication operation is convenient and the precision is high.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A fastener with a lubricating hole comprises a fastening cap and a fastening rod connected with the fastening cap, and is characterized in that an annular mounting groove is formed in the bottom of the fastening cap, a gasket is arranged in the annular mounting groove and comprises a top plane, a bottom plane, an outer side straight cylindrical surface and an inner side conical surface, and the inner side conical surface of the gasket extends to the top of the fastening rod;
the top of fastening cap is equipped with annular lubrication mouth, and the bottom of annular lubrication mouth is equipped with a plurality of lubrication holes, and the tip of lubrication hole extends to the inboard conical surface of packing ring.
2. The fastener of claim 1, wherein an annular dust cap is disposed in the annular lubrication opening.
3. The fastener of claim 2, wherein the lubrication holes are circumferentially and uniformly arranged at the bottom of the annular lubrication port.
4. The fastener of claim 2, wherein the cap is integrally formed with the shank, and the shank is threaded on its circumference.
5. The fastener of claim 1, wherein the cross-sections of the washer and the annular mounting groove are trapezoidal.
6. The fastener of claim 5, wherein the thickness of the washer is greater than the depth of the annular mounting groove.
7. The fastener of claim 5, wherein the washer is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123327214.4U CN217682716U (en) | 2021-12-28 | 2021-12-28 | Fastener with lubrication hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123327214.4U CN217682716U (en) | 2021-12-28 | 2021-12-28 | Fastener with lubrication hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682716U true CN217682716U (en) | 2022-10-28 |
Family
ID=83727159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123327214.4U Active CN217682716U (en) | 2021-12-28 | 2021-12-28 | Fastener with lubrication hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682716U (en) |
-
2021
- 2021-12-28 CN CN202123327214.4U patent/CN217682716U/en active Active
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