CN212838849U - Anti-oxidation device for water tank fastener - Google Patents
Anti-oxidation device for water tank fastener Download PDFInfo
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- CN212838849U CN212838849U CN202021867124.7U CN202021867124U CN212838849U CN 212838849 U CN212838849 U CN 212838849U CN 202021867124 U CN202021867124 U CN 202021867124U CN 212838849 U CN212838849 U CN 212838849U
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- protective cover
- water tank
- gasket
- groove
- preventing device
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Abstract
The utility model relates to a technical field is fixed to the water tank, specifically is anti-oxidation device of water tank fastener, including the fixed part with cover in bolt head outlying protection casing, the fixed part sets up on the gasket, and the mutual lock of lower part and fixed part of protection casing, and the protection casing inner wall is provided with the rust-resistant layer of paining of round. After the bolt is installed, the protective cover covers the bolt head to protect the bolt head; the lower edge of protection casing can realize mutual lock with the fixed part, has guaranteed the stability of protection casing, also can guarantee the leakproofness in the protection casing when anti-drop.
Description
Technical Field
The utility model relates to a technical field is fixed to the water tank, specifically is water tank fastener anti-oxidation device.
Background
The automobile water tank is the main part of the cooling system, and can absorb the heat of the cylinder body and prevent the engine from overheating; the specific heat capacity of water is large, so that the temperature is not increased much after the heat of the cylinder is absorbed, the heat of the engine passes through a liquid loop of cooling water, the water is used as a heat carrier for heat conduction, and then the heat is dissipated in a convection mode through a large-area heat dissipation fin so as to maintain the proper working temperature of the engine.
When the water tank is installed in the automobile, fasteners such as bolts and nuts are usually used, a gasket is generally sleeved when the bolts are installed, and the bolts can tightly press the gasket when the bolts are screwed down. The prior art fasteners are metal and the bolt head oxidizes when exposed to oxygen and electrolytes (i.e., atmospheric moisture or water); oxidation is a chemical reaction of the metal surface with oxygen present in the air, which causes some metals to corrode (or oxidize) and form corresponding metal oxides on the surface, resulting in corrosion; the corrosion affects the function of the fastener, resulting in difficult disassembly, lengthy repair time, etc. In order to solve the problem that a bolt head is exposed in air and oxidized to generate rust, the invention needs to invent an anti-oxidation device for a fastener.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water tank fastener anti oxidation device can solve among the prior art bolt head and expose in the air, and easy oxidation produces the problem of corrosion.
The application provides the following technical scheme:
the anti-oxidation device of the water tank fastener comprises a fixing part and a protective cover covering the periphery of a bolt head, wherein the fixing part is arranged on the gasket, and the lower part of the protective cover is buckled with the fixing part; the inner wall of the protective cover is provided with a circle of antirust smearing layer.
Has the advantages that:
the fixed part sets up on the gasket, realizes the fixed of protection casing through the gasket, and is more convenient simple: after the bolt is installed, the protective cover covers the bolt head to protect the bolt head; the lower edge of protection casing can realize mutual lock with the fixed part, has guaranteed the stability of protection casing, also can guarantee the leakproofness in the protection casing when anti-drop.
When the protective cover is covered on the bolt head, the anti-rust smearing layer can be contacted with the bolt head to further realize the anti-rust of the bolt head.
Further, the fixed part is the rubber sleeve that sets up in the gasket bottom, the rubber sleeve is the annular, and the outer fringe of rubber sleeve inwards forms the turn-up of parcel gasket.
When the protective cover covers the bolt head, the inner wall of the bottom of the protective cover is in contact with the rubber sleeve, so that the protective cover is buckled and clamped at the outer edge of the gasket, and the protective cover is simply fixed; meanwhile, the rubber sleeve can further ensure the airtightness of the interior of the protective cover.
Further, the bead includes an inner projection and an outer projection connected to each other, the inner projection contacting an upper surface of the gasket; the bottom of the protective cover is provided with a circle of inner edge bulges, and when the protective cover covers the bolt head, the inner edge bulges are clamped into the lower parts of the outer bulges to be buckled with each other.
Through the convex buckling of the inner edge, the protection cover is fixed, and the stability and the sealing performance are further ensured.
Furthermore, the fixed part is the location arch of setting at the gasket upper surface, and the bottom of protection casing is provided with and is used for the card to go into the bellied positioning groove of location.
The protective cover is simply fixed by clamping the positioning protrusion into the positioning groove.
Further, a rubber ring is arranged in the positioning groove, and a built-in groove is arranged on the rubber ring; the positioning bulge is clamped in the built-in groove.
The rubber ring ensures the stability and the tightness of the installation of the positioning bulge.
Further, the groove wall of the built-in groove is convexly arranged towards the vertical central line of the built-in groove.
After the positioning protrusions are clamped into the built-in grooves, the positioning protrusions can abut against the protruding parts of the groove walls to be clamped, and stability is guaranteed.
Further, the rust-proof coating layer is a sponge layer or a cotton cloth layer stained with rust-proof oil.
The rust-proof treatment of the bolt head is simply realized.
Further, an oil filling hole is formed in the protective cover shell. And in the process of facilitating subsequent maintenance, antirust oil is injected into the protective cover from the oil injection hole.
Furthermore, a hole plug is arranged at the position of the oil filling hole. After the oiling is finished, the hole can be plugged by the hole plug, and the sealing performance inside the protective cover is further ensured.
Drawings
Fig. 1 is a schematic structural view of a bolt installation in a first embodiment of the present invention;
fig. 2 is a schematic structural view illustrating the installation of a protective cover according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the shield and bolt head of FIG. 2;
fig. 4 is a cross-sectional view of the protective cover and the bolt head according to the second embodiment of the present invention;
fig. 5 is a cross-sectional view of the shield and the bolt head according to the third embodiment of the present invention;
fig. 6 is a cross-sectional view of a positioning groove at the bottom of a protective cover according to a fourth embodiment of the present invention;
fig. 7 is a schematic structural view of a fifth protective cover according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the anti-rust protective cover comprises a protective cover 1, a gasket 2, a rubber sleeve 3, a curled edge 31, an inner protrusion 311, an outer protrusion 312, a positioning protrusion 4, a positioning groove 41, a rubber ring 411, an internal groove 4111, an anti-rust smearing layer 5 and a bolt head 6.
Example one
Anti-oxidation device of water tank fastener, as shown in fig. 3, including fixed part and cover in bolt head 6 outlying protection casing 1, the fixed part setting is on gasket 2, and the lower part of protection casing 1 and the mutual lock of fixed part, and then realizes the fixed of protection casing 1 through gasket 2, has guaranteed the stability of protection casing 1, also can guarantee the leakproofness in the protection casing 1 when anti-drop.
The fixed part is the rubber sleeve 3 that sets up in gasket 2 bottom, and rubber sleeve 3 is the annular, and the outer fringe of rubber sleeve 3 inwards forms the turn-up 31 of parcel gasket 2.
During installation, the rubber sleeve 3 is sleeved on the gasket 2, the gasket 2 is wrapped at the bottom of the rubber sleeve 3, and the outer edge of the gasket 2 is wrapped upwards by the outer edge of the rubber sleeve 3; after the assembly of completion gasket 2, penetrate gasket 2 on the bolt, then screw up the bolt with the spanner as shown in fig. 1, can also guarantee the leakproofness when the rubber sleeve 3 of bolt bottom plays protection gasket 2's effect, prevents that the air from entering into in the screwed hole from gasket 2 bottom. After the installation of the bolt is finished, the protective cover 1 is covered on the bolt head 6 to form a state shown in fig. 2; as shown in fig. 3, the inner wall of the bottom of the protective cover 1 contacts with the outer wall of the rubber sleeve 3, and the rubber sleeve 3 has a tensioning effect, so that the stability of the protective cover 1 is further ensured, the risk of falling off of the protective cover 1 is prevented, and the problem that the bolt head 6 is exposed in the air and is easily oxidized to generate rust in the prior art is solved.
It should be noted that the protective cover 1 in the present solution can be used for protecting the bolt head at any position where there is a bolt, and is not limited to the position of the water tank shown in fig. 1.
Example two
The difference between the present embodiment and the first embodiment is that, as shown in fig. 4, the curled edge 31 includes an inner protrusion 311 and an outer protrusion 312, and the inner protrusion 311 and the outer protrusion 312 are integrally formed; the inner projection 311 in this embodiment is in contact with the upper surface of the gasket 2; the bottom of the protective cover 1 is provided with a circle of inner edge bulges.
During the installation, overlap rubber sleeve 3 on gasket 2, the bottom parcel gasket 2 of rubber sleeve 3, the outer fringe of rubber sleeve 3 upwards wraps up the outer fringe of gasket 2, and interior protruding 311 presses at the upper surface of gasket 2, guarantees that rubber sleeve 3 can be stable fixed with gasket 2. The outer protrusion 312 extends outwards and protrudes from the pad 2; when the protective cover 1 covers the bolt head 6, the inner edge bulge at the bottom of the protective cover 1 can be clamped below the outer bulge 312, so that the protective cover 1 is fixed; the stability of protection casing 1 has further been guaranteed, prevents the risk that protection casing 1 drops, solves among the prior art bolt head 6 and exposes in the air, and easy oxidation produces the problem of corrosion.
EXAMPLE III
The difference between the first embodiment and the second embodiment is that, as shown in fig. 5, the fixing portion is a circle of positioning protrusions 4 made of rubber material adhered to the upper surface of the pad 2, and the bottom of the protective cover 1 is provided with positioning grooves 41 for being clamped into the positioning protrusions 4.
When in installation, the positioning bulge 4 is stuck on the upper surface of the gasket 2; when the protection cover 1 is covered at the bolt head 6, the positioning groove 41 at the bottom of the protection cover 1 can be clamped at the positioning protrusion 4, so that the protection cover 1 is fixed, the stability of the protection cover 1 is further ensured, the risk that the protection cover 1 falls off is prevented, and the problem that the bolt head 6 is exposed in the air and is easily oxidized to generate corrosion in the prior art is solved.
Example four
The present embodiment is different from the third embodiment in that, as shown in fig. 6, a rubber ring 411 is provided inside the positioning groove 41, an internal groove 4111 is provided on the rubber ring 411, and both side groove walls of the internal groove 4111 are convexly provided toward a vertical center line of the internal groove 4111.
When the protective cover is installed, the rubber ring 411 is pressed into the positioning groove 41 at the bottom of the protective cover 1; compared with the third embodiment, the positioning protrusion 4 in this embodiment has a narrower width, the width is mainly determined according to the matching width clamped in the built-in groove 4111 of the rubber ring 411, and the width is set to be a conventional setting manner in the art, which is not described herein in detail; when the protective cover 1 covers the bolt head 6, the positioning protrusion 4 on the gasket 2 is clamped into the built-in groove 4111, and the outer walls of the two sides of the positioning protrusion 4 tightly abut against the groove wall protrusion of the built-in groove 4111, so that the protective cover 1 is fixed; the stability of protection casing 1 has further been guaranteed, prevents the risk that protection casing 1 drops, solves among the prior art bolt head 6 and exposes in the air, and easy oxidation produces the problem of corrosion.
EXAMPLE five
The difference between the embodiment and the first embodiment is that as shown in fig. 7, a circle of rust-proof coating layer 5 is arranged on the inner wall of the protective cover 1, and the rust-proof coating layer 5 in the embodiment can be one of a sponge layer and a cotton cloth layer which are stained with rust-proof oil; the antirust smearing layer 5 can be directly made into a ring shape and put into the protective cover 1, or adhered to the inner wall of the protective cover 1; this embodiment is preferably bonded to the inner wall of the shield 1. When the protective cover 1 covers the bolt head 6, the antirust smearing layer 5 can smear antirust oil on the bolt head 6, so that the antirust effect is realized, and the problem that the bolt head 6 is easy to oxidize and generate rust in the prior art is further solved.
EXAMPLE six
The difference between the embodiment and the fifth embodiment is that an oil filling hole is formed in the housing of the protective cover 1, and during subsequent maintenance, a user can fill rust preventive oil into the rust preventive coating layer 5 through the oil filling hole.
EXAMPLE seven
The difference between the embodiment and the sixth embodiment is that the hole plug is arranged at the oil injection hole, and after oil injection is completed, the hole plug can be used for plugging the hole, so that the sealing performance inside the protective cover 1 is further ensured.
The above are merely examples of the present invention, and the present invention is not limited to the field related to the embodiments, and general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should also be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. The anti-oxidation device for the water tank fastener is characterized by comprising a fixing part and a protective cover covering the periphery of a bolt head, wherein the fixing part is arranged on a gasket, and the lower part of the protective cover is buckled with the fixing part; the inner wall of the protective cover is provided with a circle of antirust smearing layer.
2. The water tank fastener oxidation preventing device according to claim 1, wherein: the fixed part is the rubber sleeve that sets up in the gasket bottom, the rubber sleeve is the annular, and the outer fringe of rubber sleeve inwards forms the turn-up of parcel gasket.
3. The water tank fastener oxidation preventing device according to claim 2, wherein: the bead includes an inner projection and an outer projection connected to each other, the inner projection contacting an upper surface of the gasket; the bottom of the protective cover is provided with a circle of inner edge bulges, and when the protective cover covers the bolt head, the inner edge bulges are clamped into the lower parts of the outer bulges to be buckled with each other.
4. The water tank fastener oxidation preventing device according to claim 1, wherein: the fixed part is a positioning bulge arranged on the upper surface of the gasket, and a positioning groove used for being clamped into the positioning bulge is formed in the bottom of the protective cover.
5. The water tank fastener oxidation preventing device according to claim 4, wherein: a rubber ring is arranged in the positioning groove, and a built-in groove is arranged on the rubber ring; the positioning bulge is clamped in the built-in groove.
6. The water tank fastener oxidation preventing device according to claim 5, wherein: the groove wall of the built-in groove is convexly arranged towards the vertical central line of the built-in groove.
7. The water tank fastener oxidation preventing device according to any one of claims 1 to 6, wherein: the rust-proof smearing layer is a sponge layer or a cotton cloth layer stained with rust-proof oil.
8. The water tank fastener oxidation preventing device according to claim 7, wherein: an oil filling hole is formed in the protective cover shell.
9. The water tank fastener oxidation preventing device according to claim 8, wherein: the oil filling hole is provided with a hole plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867124.7U CN212838849U (en) | 2020-08-31 | 2020-08-31 | Anti-oxidation device for water tank fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867124.7U CN212838849U (en) | 2020-08-31 | 2020-08-31 | Anti-oxidation device for water tank fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212838849U true CN212838849U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021867124.7U Active CN212838849U (en) | 2020-08-31 | 2020-08-31 | Anti-oxidation device for water tank fastener |
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| CN (1) | CN212838849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458894A (en) * | 2022-02-15 | 2022-05-10 | 特瑞拓软件(辽宁)有限公司 | High altitude parabolic monitoring method and system for vehicle |
-
2020
- 2020-08-31 CN CN202021867124.7U patent/CN212838849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458894A (en) * | 2022-02-15 | 2022-05-10 | 特瑞拓软件(辽宁)有限公司 | High altitude parabolic monitoring method and system for vehicle |
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