CN212106546U - Fastening bolt for oil pump - Google Patents
Fastening bolt for oil pump Download PDFInfo
- Publication number
- CN212106546U CN212106546U CN202020602494.1U CN202020602494U CN212106546U CN 212106546 U CN212106546 U CN 212106546U CN 202020602494 U CN202020602494 U CN 202020602494U CN 212106546 U CN212106546 U CN 212106546U
- Authority
- CN
- China
- Prior art keywords
- bolt
- shank
- nut
- oil pump
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 238000009434 installation Methods 0.000 abstract description 14
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 6
- 210000002268 wool Anatomy 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses an oil pump fastening bolt belongs to the bolt field, including the shank of bolt, the one end fixed mounting of shank of bolt has the end cover, the packing ring has been cup jointed on the surface of shank of bolt, the surface symmetry of shank of bolt is equipped with the recess, be equipped with first screw hole between the recess, the surface symmetry of shank of bolt is equipped with the screw thread, the nut is installed through the screw thread in the surface of shank of bolt, the surface symmetry of nut is equipped with the second screw hole, it passes through the setting of packing ring, improve the pressurized area of end cover to the oil pump, and under the effect of friction disc, improve the frictional property on surface of packing ring, thereby strengthen the stability of installation, through the second screw hole, the setting of first screw hole, can carry out the thread tightening to the reinforcement threaded rod, guarantee the fastening stability of nut, improve holistic firmness.
Description
Technical Field
The utility model relates to a bolt field, more specifically say, relate to an oil pump fastening bolt.
Background
The bolt is a common fastener used by matching a screw rod and a nut, is used for connecting and fastening mechanical parts, and is inevitably fixed by using the fastening bolt in the installation process of the oil pump.
However, in most oil pump fastening bolts, no friction plate is arranged on the surface of the washer, so that the whole friction effect is poor, the stability of installation is difficult to improve, and the problem of frequent looseness of most nuts due to the influence of external factors can be solved.
Therefore, a large number of oil pump fastening bolts appear in the prior art, and the existing oil pump fastening bolts cannot improve the pressure bearing area of the end cover on the oil pump through the arrangement of the gaskets, cannot improve the friction performance of the surfaces of the gaskets under the action of the friction plates, so that the installation stability is enhanced, and the reinforcing threaded rods can be fixed by threads through the arrangement of the second threaded holes and the first threaded holes, thereby ensuring the fastening stability of nuts, improving the overall firmness and avoiding looseness.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide an oil pump fastening bolt, it passes through the setting of packing ring, improves the pressure area of end cover to the oil pump to under the effect of friction disc, improve the frictional behavior on surface of packing ring, thereby strengthen the stability of installation, through the setting of second screw hole, first screw hole, can carry out the thread tightening to the reinforcement threaded rod, guarantee the fastening stability of nut, improve holistic firmness, avoid becoming flexible.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides an oil pump fastening bolt, includes the shank of bolt, the one end fixed mounting of shank of bolt has the end cover, the packing ring has been cup jointed on the surface of shank of bolt, the surface symmetry of shank of bolt is equipped with the recess, be equipped with first screw hole between the recess, the surface symmetry of shank of bolt is equipped with the screw thread, the nut is installed through the screw thread in the surface of shank of bolt, the surface symmetry of nut is equipped with the second screw hole, and it passes through the setting of packing ring, improves the pressure area of end cover to the oil pump to under the effect of friction disc, improve the surperficial frictional property of packing ring, thereby strengthen the stability of installation, through the setting of second screw hole, first screw hole, can carry out the thread tightening to the reinforcing threaded rod, guarantee the fastening stability of nut, improve holistic firmness, avoid.
Furthermore, the gasket is connected with the end cover in a sliding mode, the surface area of the gasket is larger than that of the end cover, the pressed area of the end cover on the surface of the oil pump is conveniently increased under the action of the gasket, and the installation stability is enhanced.
Furthermore, the fixed surface of packing ring installs the friction disc, and the friction disc is asbestos fine hair matter material, is convenient for under the effect of friction disc, improves the surperficial friction dynamics of packing ring, reinforcing stable effect.
Further, the reinforcing threaded rod is installed between the second threaded hole and the first threaded hole in a threaded mode, the length of the reinforcing threaded rod is larger than the outer diameter of the nut, threaded installation can be conducted on the second threaded hole and the first threaded hole under the effect of the reinforcing threaded rod, and stability of the nut is guaranteed.
Further, the surface thread of reinforcing threaded rod installs the fastening cap, sliding connection between fastening cap and the nut is convenient for under the effect of fastening cap, can compress tightly the nut, prevents not hard up of nut.
Compared with the prior art, the utility model has the advantages of:
(1) the setting of packing ring is passed through to this scheme, improves the pressure area of end cover to the oil pump to under the effect of friction disc, improve the frictional property on the surface of packing ring, thereby the stability of reinforcing installation, through the setting of second screw hole, first screw hole, can carry out the thread tightening to the reinforcement threaded rod, guarantee the fastening stability of nut, improve holistic firmness, avoid not hard up.
(2) The gasket is connected with the end cover in a sliding mode, the surface area of the gasket is larger than that of the end cover, the pressed area of the end cover on the surface of the oil pump is conveniently increased under the action of the gasket, and the installation stability is enhanced.
(3) The friction plate is fixedly arranged on the surface of the washer and made of asbestos wool, so that the friction force on the surface of the washer is improved under the action of the friction plate, and the stability effect is enhanced.
(4) The reinforcing threaded rod is installed between the second threaded hole and the first threaded hole in a threaded mode, the length of the reinforcing threaded rod is larger than the outer diameter of the nut, threaded installation can be conducted on the second threaded hole and the first threaded hole under the effect of the reinforcing threaded rod, and stability of the nut is guaranteed.
(5) The surface thread of reinforcing threaded rod installs the fastening cap, and sliding connection between fastening cap and the nut is convenient for under the effect of fastening cap, can compress tightly the nut, prevents not hard up of nut.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic top view of the washer of the present invention;
fig. 3 is a schematic view of the gasket in a bottom view;
fig. 4 is a sectional view of the top view of the nut of the present invention.
The reference numbers in the figures illustrate:
the structure comprises a bolt rod 1, an end cover 2, a washer 3, a friction plate 4, a groove 5, a first threaded hole 6, a thread 7, a nut 8, a second threaded hole 9, a reinforcing threaded rod 10 and a fastening cap 11.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-4, an oil pump fastening bolt includes a bolt bar 1, referring to fig. 1-4, an end cover 2 is fixedly installed at one end of the bolt bar 1, a washer 3 is sleeved on the surface of the bolt bar 1, the washer 3 is slidably connected with the end cover 2, the surface area of the washer 3 is larger than that of the end cover 2, so that the pressed area of the end cover 2 on the surface of an oil pump is increased under the action of the washer 3, the installation stability is enhanced, a friction plate 4 is fixedly installed on the surface of the washer 3, the friction plate 4 is made of asbestos wool material, so that the friction force on the surface of the washer 3 is increased under the action of the friction plate 4, the stabilization effect is enhanced, grooves 5 are symmetrically formed on the surface of the bolt bar 1, first threaded holes 6 are formed between the grooves 5, threads 7 are symmetrically formed on the surface of the bolt bar 1, and nuts 8 are installed on the, nut 8's surface symmetry is equipped with second screw hole 9, reinforced threaded rod 10 is installed to the screw thread between the first screw hole 6, and reinforced threaded rod 10's length is greater than nut 8's external diameter, be convenient for under reinforced threaded rod 10's effect, can be to second screw hole 9, first screw hole 6 carries out the screw thread installation, guarantee nut 8's stability, reinforced threaded rod 10's surface thread installs fastening cap 11, sliding connection between fastening cap 11 and the nut 8, be convenient for under fastening cap 11's effect, can compress tightly nut 8, prevent nut 8's not hard up.
This oil pump fastening bolt, the setting of accessible packing ring 3, and the surface area of packing ring 3 is greater than the surface area of end cover 2, can improve the pressurized area of end cover 2 to the oil pump surface, and under the effect of friction disc 4, strengthen the friction dynamics of packing ring 3, thereby strengthen holistic installation stability, under the effect of screw thread 7, can carry out the thread tightening to nut 8, and through second screw hole 9, the effect of first screw hole 6, can carry out the screw thread installation to reinforcing threaded rod 10, and under the effect of fastening cap 11, make nut 8 keep the steadiness, avoid nut 8 to receive external factor's influence, and take place not hard up problem.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. An oil pump fastening bolt, includes shank of bolt (1), its characterized in that: the one end fixed mounting of shank of bolt (1) has end cover (2), packing ring (3) have been cup jointed on the surface of shank of bolt (1), the surface symmetry of shank of bolt (1) is equipped with recess (5), be equipped with first screw hole (6) between recess (5), the surface symmetry of shank of bolt (1) is equipped with screw thread (7), nut (8) are installed through screw thread (7) screw thread to the surface of shank of bolt (1), the surface symmetry of nut (8) is equipped with second screw hole (9).
2. The oil pump fastening bolt according to claim 1, characterized in that: the gasket (3) is connected with the end cover (2) in a sliding mode, and the surface area of the gasket (3) is larger than that of the end cover (2).
3. The oil pump fastening bolt according to claim 1, characterized in that: the surface of the washer (3) is fixedly provided with a friction plate (4), and the friction plate (4) is made of asbestos velvet materials.
4. The oil pump fastening bolt according to claim 1, characterized in that: and a reinforcing threaded rod (10) is installed between the second threaded hole (9) and the first threaded hole (6) in a threaded manner, and the length of the reinforcing threaded rod (10) is greater than the outer diameter of the nut (8).
5. The oil pump fastening bolt according to claim 4, characterized in that: the surface thread of the reinforcing threaded rod (10) is provided with a fastening cap (11), and the fastening cap (11) is in sliding connection with the nut (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602494.1U CN212106546U (en) | 2020-04-21 | 2020-04-21 | Fastening bolt for oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602494.1U CN212106546U (en) | 2020-04-21 | 2020-04-21 | Fastening bolt for oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106546U true CN212106546U (en) | 2020-12-08 |
Family
ID=73640778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020602494.1U Expired - Fee Related CN212106546U (en) | 2020-04-21 | 2020-04-21 | Fastening bolt for oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106546U (en) |
-
2020
- 2020-04-21 CN CN202020602494.1U patent/CN212106546U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20201208 |