CN213711559U - Bolt convenient for oil injection - Google Patents
Bolt convenient for oil injection Download PDFInfo
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- CN213711559U CN213711559U CN202022345902.2U CN202022345902U CN213711559U CN 213711559 U CN213711559 U CN 213711559U CN 202022345902 U CN202022345902 U CN 202022345902U CN 213711559 U CN213711559 U CN 213711559U
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Abstract
The application relates to the technical field of bolts and discloses a bolt convenient for oil injection, which comprises a fixed block and a fixed rod, wherein the fixed rod is fixedly connected with the fixed rod, the periphery of the fixed rod is provided with threads, the fixed block is far away from the fixed rod and is provided with an operation groove, the end surface of the operation groove, which is far away from an opening, is provided with a fixed hole penetrating through the fixed block, one end of the fixed rod, which is close to the fixed block, is provided with an oil injection groove communicated with the fixed hole, the periphery of the fixed rod is provided with an oil injection hole communicated with the oil injection groove, and the; seal structure includes threaded connection in the action bars of operation inslot, the one end fixedly connected with operation piece of dead lever is kept away from to the action bars, and this application has carries out the work piece at the bolt and connects the back, and the convenience is to the effect of oiling between bolt and the screw hole.
Description
Technical Field
The application relates to the technical field of bolts, in particular to a bolt convenient for oil injection.
Background
Currently, bolts are a mechanical part, often used for cylindrical threaded fasteners with nuts. The bolt is a fastener consisting of a hexagonal block and a screw, needs to be matched with a nut and is used for fastening and connecting two parts with through holes.
The current Chinese patent with publication number CN210978137U discloses an adjustable bolt fastener, which comprises an end cover, wherein the bottom of the end cover is provided with a rod body, and the outer wall of the rod body is provided with an external thread.
The above related technical solutions have the following drawbacks: above-mentioned bolt is connected with the article, and the time is one long, appears the corrosion easily between the screw portion of bolt and the screw hole, and is harder when later stage rotates the bolt to cause the damage to the screw portion and the screw hole of bolt easily, thereby make the life-span greatly reduced of bolt.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that the corrosion appears easily in the bolt, this application provides a bolt of convenient oiling.
The application provides a pair of bolt of convenient oiling adopts following technical scheme:
a bolt convenient for oil injection comprises a fixing block and a fixing rod, wherein the fixing rod is fixedly connected with the fixing rod, the circumferential surface of the fixing rod is provided with threads, the fixing block is provided with an operation groove far away from the fixing rod, the end surface of the operation groove far away from an opening is provided with a fixing hole penetrating through the fixing block, one end of the fixing rod close to the fixing block is provided with an oil injection groove communicated with the fixing hole, the circumferential surface of the fixing rod is provided with an oil injection hole communicated with the oil injection groove, and the fixing block is provided with a sealing structure for sealing; the sealing structure comprises an operating rod in the operating groove in threaded connection, and one end of the operating rod, far away from the fixing rod, is fixedly connected with an operating block.
Through adopting above-mentioned technical scheme, the drive operation piece rotates, makes action bars and fixed block separation, and toward the lubricating oil that adds in the operation inslot again, lubricating oil process fixed orifices, oiling groove and oil filler point reach the junction of action bars and screw hole, play lubricated and rust-resistant effect.
Preferably, one end of the operating rod, which is far away from the operating block, is fixedly connected with an elastic block; when the elastic block is embedded into the fixing hole, the elastic block is abutted against the inner wall of the fixing hole.
Through adopting above-mentioned technical scheme, when the elastic block was embedded into the fixed orifices, the outer wall of elastic block and the inner wall butt of fixed orifices improved seal structure's leakproofness, made the foreign matter difficult entering into the operation inslot.
Preferably, the edge of the elastic block, which is far away from the operating rod, is provided with a chamfer.
Through adopting above-mentioned technical scheme, set up the chamfer, be convenient for imbed the elastic block in the fixed orifices.
Preferably, the end face of the operating block, which is far away from the operating rod, is provided with an operating hole penetrating through the operating rod, the distance from the opening of the operating hole, which faces the fixing hole, to the axis of the operating rod is greater than half of the inner diameter of the fixing hole, and the depth of the operating groove is greater than the height of the elastic block.
Through adopting above-mentioned technical scheme, when the elasticity piece breaks away from the fixed orifices, the staff can add lubricating oil to the handle hole to the operation of accomplishing to add oil in the operation groove has convenient operation, need not to separate action bars and fixed block simultaneously, avoids the operation piece to lose.
Preferably, the operation hole is provided with a plurality of operation holes, and the plurality of operation holes are distributed along the axis of the operation hole in a circumferential array.
By adopting the technical scheme, the working personnel can add lubricating oil to any one operation hole to ensure that the lubricating oil
Preferably, one end of the operating block, which is far away from the operating rod, is provided with an inner hexagonal groove.
Through adopting above-mentioned technical scheme, the staff can rotate through hexagonal spanner drive operation piece in the interior, conveniently separates action bars and fixed block to refuel toward the operation inslot with the staff.
Preferably, a cross groove is formed in one end, far away from the opening, of the inner hexagonal groove.
Through adopting above-mentioned technical scheme, the staff can rotate through cross screwdriver or a word screwdriver drive operation piece, conveniently separates action bars and fixed block to refuel toward the operating channel with the staff.
Preferably, the oil filler holes are provided in a plurality, and the plurality of oil filler holes are distributed along the axis circumference array of the fixed rod.
By adopting the technical scheme, the plurality of oil injection holes are arranged, so that the lubricating oil in the fixing holes is accelerated to be conveyed to the connecting part of the fixing rod and the threaded hole; when one oil filling hole is blocked, other oil filling holes can convey lubricating oil to the outside of the fixed rod, so that the anti-rust effect is achieved, the service life of the bolt is prolonged,
preferably, an elastic layer is arranged at one end, facing the fixing rod, of the fixing block.
By adopting the technical scheme, when the threads are connected with the object, the elastic layer is compressed, the elastic layer applies acting force to the fixed block and the object, the positive pressure of the elastic layer on the object or the fixed block is increased, the friction force between the elastic layer and the object or the fixed block is increased, and the anti-loosening effect is achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the operating block is driven to rotate, so that the operating rod is separated from the fixed block, lubricating oil is added into the operating groove, and the lubricating oil reaches the joint of the operating rod and the threaded hole through the fixed hole, the oil injection groove and the oil injection hole, so that lubricating and rust-proof effects are achieved;
2. the elastic block is arranged, so that the sealing performance between the operating rod and the fixing block is improved, and the connecting effect of the operating rod and the fixing block is better.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
figure 2 is a cross-sectional view highlighting the seal structure.
Reference numerals: 1. fixing the rod; 11. an oil filler hole; 2. a fixed block; 21. an operation slot; 22. fixing grooves; 23. an elastic layer; 3. a sealing structure; 31. an operating lever; 32. an operation block; 321. an inner hexagonal groove; 322. a cross groove; 323. an operation hole; 33. an elastic block; 331. and (6) chamfering.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment discloses a bolt convenient for oiling. Referring to fig. 1, the bolt includes a fixing rod 1 and a fixing block 2 integrally formed, the cross-section of the fixing block 2 is a regular hexagon, and a thread is formed on the circumferential surface of the fixing rod 1.
Referring to fig. 1 and 2, an operation groove 21 and a fixing hole 22 are formed in the fixing block 2, the operation groove 21 is located on one side, away from the fixing rod 1, of the fixing block 2, the fixing hole 22 is located on the end face, away from the opening, of the operation groove 21 and penetrates through the fixing block 2, and the fixing hole 22 and the fixing rod 1 are coaxially arranged. An oil filling groove 12 is formed in one side, close to the fixed block 2, of the fixed rod 1, and the oil filling groove 12 and the fixed hole 22 are arranged in an equal-diameter and coaxial mode. Two oil filler points 11 have been seted up on dead lever 1, and two oil filler points 11 all communicate the oil filler point 11 of oil filler tank 12, and two oil filler points 11 distribute along the axis circumference array of dead lever 1.
Referring to fig. 1 and 2, the fixed block 2 is provided with a sealing structure 3 that seals the operation groove 21. The seal structure 3 includes an operation lever 31 and an operation block 32. The outer circumferential surface of the operation lever 31 is provided with external threads, the inner wall of the operation groove 21 is provided with internal threads, and the operation lever 31 is in threaded fit with the operation hole 323.
Referring to fig. 1 and 2, the operation rod 31 is integrally formed with the operation block 32, and the operation block 32 has a regular hexagonal cross-section so that a worker can rotate the operation block 32 with a wrench. An inner hexagonal groove 321 is formed in one end of the operating block 32 away from the operating rod 31, and a cross groove 322 is formed in one end of the inner hexagonal groove 321 away from the opening. The operator can also drive the operating block 32 to rotate by any one of a hexagon socket wrench, a cross screwdriver or a straight screwdriver, so as to separate or connect the operating rod 31 from the fixed block 2.
Referring to fig. 1 and 2, an elastic block 33 is fixedly connected to an end of the operating lever 31 away from the operating block 32, and a height of the elastic block 33 is lower than a depth of the fixing hole 22. The edge of the elastic block 33 away from the operating rod 31 is provided with a chamfer 331. The chamfer 331 helps the elastic block 33 to be inserted into the fixing hole 22 when the operating lever 31 is mounted to the fixing block 2. When the elastic block 33 is fitted into the fixing hole 22, the elastic block 33 is deformed to abut against the inner wall of the fixing hole 22, thereby increasing the sealing property when the fixing block 2 is connected to the operating rod 31.
Referring to fig. 1 and 2, four operation holes 323 are opened in an end surface of the operation block 32 away from the operation rod 31, and the four operation holes 323 are circumferentially distributed in an array along an axis of the operation rod 31. The four operation holes 323 penetrate through the operation rod 31, and the four operation holes 323 are arranged coaxially with the operation tube. The distance from the opening of the operation hole 323 toward the fixing hole 22 to the axis of the operation rod 31 is more than half of the inner diameter of the fixing hole 22. The staff rotates operation piece 32, makes elastic block 33 break away from fixed orifices 22, and the staff can be through operation hole 323 to adding lubricating oil in the fixed orifices 22, need not to separate action bars 31 and fixed block 2, has the effect of convenient operation.
Referring to fig. 1 and 2, the fixing block 2 is fixedly connected with the elastic layer 23 at one end facing the fixing rod 1, and when an object and the fixing block 2 extrude the elastic layer 23, a locking effect is achieved, so that the bolt and the object are more stably connected.
The implementation principle of the bolt convenient for oil injection is as follows: the tool driving operation block 32 rotates to enable the elastic block 33 to be separated from the fixing hole 22, lubricating oil is added into the operation hole 323 and enters between the bolt and the threaded hole through the fixing hole 22, the column oil groove 12 and the oil filling hole 11, and finally the tool driving operation block 32 rotates reversely to enable the elastic block 33 to be embedded into the oil filling hole 11 again.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the design concept of the present application should be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a bolt of convenient oiling, includes fixed block (2) and dead lever (1), its characterized in that: the fixing rod (1) is fixedly connected with the fixing rod (1), threads are formed in the circumferential surface of the fixing rod (1), an operation groove (21) is formed in the fixing block (2) far away from the fixing rod (1), a fixing hole (22) penetrating through the fixing block (2) is formed in the end face, far away from an opening, of the operation groove (21), an oil injection groove (12) communicated with the fixing hole (22) is formed in one end, close to the fixing block (2), of the fixing rod (1), an oil injection hole (11) communicated with the oil injection groove (12) is formed in the circumferential surface of the fixing rod (1), and a sealing structure (3) for sealing the operation groove (21) is arranged on the fixing block (2; the sealing structure (3) comprises an operating rod (31) in the operating groove (21) in a threaded connection mode, and one end of the operating rod (31) far away from the fixing rod (1) is fixedly connected with an operating block (32).
2. The bolt of claim 1, wherein: one end of the operating rod (31) far away from the operating block (32) is fixedly connected with an elastic block (33); when the elastic block (33) is fitted into the fixing hole (22), the elastic block (33) abuts against the inner wall of the fixing hole (22).
3. The bolt of claim 2, wherein: the edge of the elastic block (33) far away from the operating rod (31) is provided with a chamfer (331).
4. The bolt of claim 2, wherein: the end face, far away from the operating rod (31), of the operating block (32) is provided with an operating hole (323) penetrating through the operating rod (31), the distance from an opening, facing the fixing hole (22), of the operating hole (323) to the axis of the operating rod (31) is larger than half of the inner diameter of the fixing hole (22), and the depth of the operating groove (21) is larger than the height of the elastic block (33).
5. The bolt of claim 4, wherein: the plurality of operation holes (323) are arranged, and the plurality of operation holes (323) are distributed in a circumferential array along the axis of the operation holes (323).
6. The bolt of claim 1, wherein: an inner hexagonal groove (321) is formed in one end, far away from the operating rod (31), of the operating block (32).
7. The bolt of claim 6, wherein: one end of the inner hexagonal groove (321) far away from the opening is provided with a cross groove (322).
8. The bolt of claim 1, wherein: the oil filler point (11) are provided with a plurality of, and are a plurality of oil filler point (11) distribute along the axis circumference array of dead lever (1).
9. The bolt of claim 1, wherein: and an elastic layer (23) is arranged at one end of the fixing block (2) facing the fixing rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022345902.2U CN213711559U (en) | 2020-10-20 | 2020-10-20 | Bolt convenient for oil injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022345902.2U CN213711559U (en) | 2020-10-20 | 2020-10-20 | Bolt convenient for oil injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213711559U true CN213711559U (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022345902.2U Active CN213711559U (en) | 2020-10-20 | 2020-10-20 | Bolt convenient for oil injection |
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| Country | Link |
|---|---|
| CN (1) | CN213711559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847323A (en) * | 2021-09-22 | 2021-12-28 | 嘉兴圣龙五金科技股份有限公司 | Bolt with lubricating oil filling structure |
-
2020
- 2020-10-20 CN CN202022345902.2U patent/CN213711559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847323A (en) * | 2021-09-22 | 2021-12-28 | 嘉兴圣龙五金科技股份有限公司 | Bolt with lubricating oil filling structure |
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