CN217682718U - Screw structure with sealing boss - Google Patents
Screw structure with sealing boss Download PDFInfo
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- CN217682718U CN217682718U CN202123329392.0U CN202123329392U CN217682718U CN 217682718 U CN217682718 U CN 217682718U CN 202123329392 U CN202123329392 U CN 202123329392U CN 217682718 U CN217682718 U CN 217682718U
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- lubrication
- boss
- nut
- annular
- sealed boss
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Abstract
The utility model relates to a screw rod structure of sealed boss in area, including nut and the screw rod of being connected with the nut, the junction of screw rod and nut is equipped with sealed boss, the outside cover of sealed boss is equipped with the supporting pad, the top of nut is equipped with annular lubrication mouth, the bottom of annular lubrication mouth is equipped with a plurality of lubrication holes, the tip of lubrication hole extends to the top of sealed boss, be equipped with the lubrication channel in the sealed boss, the one end of lubrication channel aligns with the lubrication hole, the other end extends to the global of sealed boss; when needing to lubricate, take off the intraoral annular shield of annular lubrication, through the mode of point notes towards the downthehole lubricating oil that injects of lubricating, lubricating oil flows the lubrication passage of sealed boss through the lubrication hole to flow the global position of sealed boss along the lubrication passage, thereby permeate in the connecting gap of screw rod and equipment, reached better lubricated effect, realized the fixed point lubricating function of screw rod, lubricated convenient operation and precision height.
Description
Technical Field
The utility model belongs to the technical field of the fastener structure and specifically relates to a screw rod structure of sealed boss in area is related to.
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 in the equipment main part, in order to improve the joint strength of fastening screw and nut, the junction of some fastening screw and nut can set up sealed boss, sealed boss installation back, can have the clearance between the nut of fastener and the surface of equipment, the easy overstocking dust in this clearance, furthermore, the fastener installation back, need often pour into lubricating oil into at the hookup location of fastening screw and equipment main part, prevent fastening screw card dead, however, in the use of reality, fastening screw and equipment main part are connected the back, when point-pouring is lubricated, lubricating oil hardly enters into the hookup location of fastening screw and equipment main part, lubrication work after the unable realization installation.
Disclosure of Invention
The utility model aims at providing a screw rod structure of sealed boss 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:
the utility model provides a screw rod structure of sealed boss in area, includes the nut and the screw rod of being connected with the nut, the screw rod is equipped with sealed boss with the junction of nut, the outside cover of sealed boss is equipped with the supporting pad, the top of nut is equipped with annular lubrication mouth, the bottom of annular lubrication mouth is equipped with a plurality of lubrication holes, the tip of lubrication hole extends to the top of sealed boss, be equipped with lubrication passage in the sealed boss, lubrication passage's one end aligns with the lubrication hole, the other end extends to the global of sealed boss.
Further, the nut, the screw and the sealing boss are integrally formed.
Furthermore, the middle part of supporting pad is equipped with the supported hole, and the inner wall in supported hole is the arc, and the inner wall in supported hole is laminated with the global of sealed boss.
Further, the diameter of the sealing boss is larger than that of the screw.
Furthermore, the supporting pad is made of rubber.
Furthermore, an annular dustproof cover is arranged in the annular lubricating port.
Furthermore, a plurality of lubrication holes are uniformly distributed at the bottom of the annular lubrication port in the annular direction.
The beneficial effects of the utility model are that: the joint of the screw and the nut of the structure is provided with the sealing boss, the sealing boss ensures the connection strength of the screw and the nut, the outer side of the sealing boss is sleeved with the supporting pad, the middle part of the supporting pad is provided with the supporting hole, the inner wall of the supporting hole is arc-shaped, the inner wall of the supporting hole is attached to the peripheral surface of the sealing boss, after the screw structure is installed, the supporting pad is positioned between the nut and the surface of equipment, and the supporting pad fills the gap between the nut and the surface of the equipment to prevent external dust from contacting with the sealing boss;
in addition, the top of nut is equipped with annular lubrication mouth, the bottom of annular lubrication mouth is equipped with a plurality of lubrication holes, the tip of lubrication hole extends to the top of sealed boss, be equipped with lubrication channel in the sealed boss, lubrication channel's one end aligns with the lubrication hole, the other end extends to sealed boss global, when needing to lubricate, take off the intraoral annular shield of annular lubrication, through the mode of point notes pouring lubricating oil of pouring into towards the lubrication hole, lubricating oil passes through the lubrication channel that lubrication hole flows to sealed boss, and flow to sealed boss global position along lubrication channel, thereby permeate in the connecting gap of screw rod and equipment, better lubrication effect has been reached, the fixed point lubrication function of screw rod has been realized, lubrication operation is convenient and the precision is high.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a diagram showing the installation effect of the present invention;
fig. 3 is a schematic structural view of the supporting pad of the present invention.
Detailed Description
As shown in fig. 1 to 3, a screw structure with a sealing boss includes a nut 1 and a screw 2 connected to the nut 1, the joint of the screw 2 and the nut 1 is provided with a sealing boss 3, the nut 1, the screw 2 and the sealing boss 3 are integrally formed, wherein the diameter of the sealing boss 3 is larger than that of the screw 2.
The outside cover of sealed boss 3 is equipped with supporting pad 4, and the material of supporting pad 4 is rubber, and the middle part of supporting pad 4 is equipped with supported hole 5, and the inner wall of supported hole 5 is the arc, the inner wall of supported hole 5 and the global laminating of sealed boss 3.
The top of nut 1 is equipped with annular lubrication mouth 6, and the bottom of annular lubrication mouth 6 is equipped with a plurality of lubrication holes 7, and the tip of lubrication holes 7 extends to the top of sealed boss 3, is equipped with lubrication channel 8 in the sealed boss 3, and lubrication channel 8's one end aligns with lubrication holes 7, and the other end extends to sealed boss 3 global.
Further, an annular dust cover 9 is arranged in the annular lubricating opening 6, and the plurality of lubricating holes 7 are uniformly distributed in the annular direction at the bottom of the annular lubricating opening 6.
To sum up, a sealing boss 3 is arranged at the joint of the screw 2 and the nut 1, the sealing boss 3 ensures the connection strength of the screw 2 and the nut 1, a supporting pad 4 is sleeved outside the sealing boss 3, a supporting hole 5 is arranged in the middle of the supporting pad 4, the inner wall of the supporting hole 5 is arc-shaped, the inner wall of the supporting hole 5 is attached to the peripheral surface of the sealing boss 3, after the screw 2 is structurally installed, the supporting pad 4 is positioned between the nut 1 and the surface of the equipment 10, and the supporting pad 4 fills the gap between the nut 1 and the surface of the equipment 10 to prevent external dust from contacting the sealing boss 3;
in addition, the top of nut 1 is equipped with annular lubrication mouth 6, the bottom of annular lubrication mouth 6 is equipped with a plurality of lubrication holes 7, the tip of lubrication hole 7 extends to the top of sealed boss 3, be equipped with lubrication channel 8 in the sealed boss 3, lubrication channel 8's one end aligns with lubrication hole 7, the other end extends to sealed boss 3 global, when needing to lubricate, take off annular shield 9 in the annular lubrication mouth 6, pour into lubricating oil into in the lubrication hole 7 through the mode of point injection, lubricating oil flows to sealed boss 3's lubrication channel 8 through lubrication hole 7, and flow to sealed boss 3 global position along lubrication channel 8, thereby in infiltrating the connecting gap of screw rod 2 and equipment 10, better lubrication effect has been reached, screw rod 2's fixed point lubrication function has been realized, lubrication operation is convenient and the precision is high.
The foregoing shows and describes the basic 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. The utility model provides a screw rod structure of sealed boss in area, includes the nut and the screw rod of being connected with the nut, its characterized in that, the screw rod with the junction of nut is equipped with sealed boss, and the outside cover of sealed boss is equipped with the supporting pad, the top of nut 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 top of sealed boss, be equipped with lubrication passage in the sealed boss, lubrication passage's one end with the lubrication hole aligns, and the other end extends to global of sealed boss.
2. The screw structure with the sealing boss according to claim 1, wherein the nut, the screw and the sealing boss are integrally formed.
3. The screw structure with the sealing boss according to claim 1 or 2, wherein a support hole is formed in the middle of the support pad, the inner wall of the support hole is arc-shaped, and the inner wall of the support hole is attached to the peripheral surface of the sealing boss.
4. A screw structure with a sealing boss according to claim 3, wherein the diameter of the sealing boss is larger than the diameter of the screw.
5. The screw structure with the sealing boss according to claim 3, wherein the material of the supporting pad is rubber.
6. A screw structure with a sealing boss according to claim 3, wherein an annular dust cover is provided in the annular lubricating port.
7. The screw structure with the sealing boss according to claim 3, wherein the plurality of lubrication holes are circumferentially and uniformly arranged at the bottom of the annular lubrication port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123329392.0U CN217682718U (en) | 2021-12-28 | 2021-12-28 | Screw structure with sealing boss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123329392.0U CN217682718U (en) | 2021-12-28 | 2021-12-28 | Screw structure with sealing boss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682718U true CN217682718U (en) | 2022-10-28 |
Family
ID=83726733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123329392.0U Active CN217682718U (en) | 2021-12-28 | 2021-12-28 | Screw structure with sealing boss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682718U (en) |
-
2021
- 2021-12-28 CN CN202123329392.0U patent/CN217682718U/en active Active
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