Anti-corrosion hexagonal flange bolt for chassis triangular arm support

Abstract

The utility model discloses an anti-corrosion hexagonal flange bolt for a triangular arm bracket of a chassis. The anti-corrosion hexagonal flange bolt comprises a screw rod, a flange plate, a hexagonal screw head and a nut, wherein the flange plate and the hexagonal screw head are sequentially arranged on the screw rod; the nut is nested outside the screw rod and is in threaded connection with the screw rod; grooves are formed in the outer ends of the flange plate and the nut in a central symmetry mode, and the screw rod, the flange plate, the hexagonal screw head and the nut are each composed of a medium carbon steel inner layer, an anti-corrosion layer and an anti-rust layer. A first shielding protection structure is arranged on the outer side of the flange plate and the outer side of the hexagonal screw head, the first shielding protection structure comprises a first outer sleeve, a rubber block, a sealing gasket and a waterproof breathable film, and the first outer sleeve is attached to the outside of the flange plate in a nested mode. According to the anti-corrosion hexagonal flange face bolt for the chassis triangular arm support, the hexagonal flange face bolt has the anti-corrosion and anti-rust effects conveniently, shielding can be conducted conveniently after the hexagonal flange face bolt is installed, the anti-corrosion and anti-rust effects of the hexagonal flange face bolt are good, ventilation and heat dissipation can be conducted conveniently on the waterproof basis, and heat losses are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of chassis triangular arm brackets, in particular to a corrosion-resistant hexagonal flange surface bolt for a chassis triangular arm bracket. Background Art

[0002] The chassis triangular arm bracket is an important part of the automobile chassis. It has the function of transmitting various forces acting on the wheels to the body and ensuring that the wheels move along a certain trajectory. During its installation, hexagonal flange bolts are usually used as fasteners for fastening.

[0003] For example, a Chinese utility model patent with authorization announcement number CN220769896U discloses an anti-corrosion fastening bolt, including a hexagonal bolt head and a screw rod, a connecting block is provided in the hexagonal bolt head, a connecting rod is provided at the bottom of the connecting block, a symmetrically distributed sleeve rod is fixedly connected to the bottom of the connecting rod, a push rod is slidably connected in the sleeve rod, a spring located in the sleeve rod is fixedly connected between the push rod and the sleeve rod, and an anti-corrosion layer is provided on the outer surface of the screw rod; this application can prevent the bolt from falling off the nut and the robot arm parts, ensure the normal use of the robot, and improve safety during use.

[0004] However, the existing hexagonal flange bolts for chassis triangular arm brackets are not convenient to cover after installation during use, and the anti-corrosion and anti-rust effect is limited. Therefore, we propose an anti-corrosion hexagonal flange bolt for chassis triangular arm bracket to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a corrosion-resistant hexagonal flange bolt for a chassis triangular arm bracket, so as to solve the problem that the existing hexagonal flange bolt for a chassis triangular arm bracket proposed in the above background technology is not convenient to cover the hexagonal flange bolt after installation during use, and the anti-corrosion and anti-rust effect is limited.

[0006] To achieve the above object, the utility model provides the following technical solution: a hexagonal flange bolt for a corrosion-resistant chassis triangular arm bracket, comprising: a screw rod, a flange plate and a hexagonal screw head sequentially arranged on the screw rod, and a nut embedded outside the screw rod and threadedly connected therewith;

[0007] Also includes:

[0008] The outer ends of the flange plate and the nut are both centrally symmetrically provided with grooves, and the screw, flange plate, hexagonal screw head and nut are all made of a medium carbon steel inner layer, an anti-corrosion layer and an anti-rust layer;

[0009] A first shielding and protecting structure is provided on the outer sides of the flange plate and the hexagonal screw head. The first shielding and protecting structure includes a first outer sleeve, a rubber block, a gasket, and a waterproof and breathable film, and the first outer sleeve is nested and fitted outside the flange plate.

[0010] A second shielding and protecting structure is provided on the outer sides of the screw rod and the nut. The second shielding and protecting structure includes a second outer sleeve, a rubber block, a gasket, a corrugated folding sleeve, and a waterproof and breathable film, and the second outer sleeve is nested and fitted outside the nut.

[0011] Preferably, the flange plate is fixedly connected inside the screw rod and the hexagonal screw head, and the outer end of the flange plate protrudes outside the screw rod and the hexagonal screw head.

[0012] Preferably, the anticorrosive layer and the rust-proof layer are sequentially sprayed outside the medium carbon steel inner layer, and the materials of the anticorrosive layer and the rust-proof layer are polyurethane anticorrosive paint and sodium nitrite rust-proof paint respectively.

[0013] Preferably, rubber blocks symmetrically arranged at the center are fixedly pasted inside both the first outer sleeve and the second outer sleeve, and the rubber blocks are snap-fitted and connected with the grooves.

[0014] Preferably, gaskets are fixedly pasted on the lower side of the first outer sleeve and the upper side of the second outer sleeve. The single gasket is nested and fitted outside the flange plate and the nut respectively, and the outer horizontal surfaces of the single gaskets are respectively on the same horizontal plane as the lower surface of the flange plate and the upper surface of the nut.

[0015] Preferably, the upper end of the first outer sleeve is located outside the hexagonal screw head, and a waterproof and breathable film fitted with the hexagonal screw head is fixedly pasted on the inner side of the upper end of the first outer sleeve.

[0016] Preferably, a corrugated folding sleeve is fixedly pasted on the lower side of the second outer sleeve and located outside the lower end of the screw rod, and a waterproof and breathable film fitted with the screw rod is fixedly pasted on the inner side of the lower end of the corrugated folding sleeve.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: The hexagonal flange bolt for the anti-corrosion chassis triangular arm bracket facilitates the hexagonal flange bolt to have an anti-corrosion and rust-proof effect, facilitates shielding after the installation of the hexagonal flange bolt, so that the anti-corrosion and rust-proof effect is good, and facilitates heat dissipation through ventilation on the basis of waterproofing, reducing heat loss.

[0018] 1. A screw rod, a flange plate, a hexagonal screw head, and a nut are provided. Since the hexagonal screw head and the screw rod are respectively fixedly connected to the upper and lower sides of the flange plate, the screw rod is externally threaded with the nut, and the screw rod, the flange plate, the hexagonal screw head, and the nut are all composed of a medium carbon steel inner layer, an anticorrosive layer sprayed outside the medium carbon steel inner layer, and a rust-proof layer, it is convenient to make the hexagonal flange bolt have an anti-corrosion and rust-proof effect.

[0019] 2. It is provided with a flange plate, a nut, a groove and a first outer sleeve. Since grooves are symmetrically opened inside the outer ends of both the flange plate and the nut, a first outer sleeve and a second outer sleeve are respectively nested and fitted outside the flange plate and the nut. The rubber blocks symmetrically fixed at the centers inside the first outer sleeve and the second outer sleeve are snap-fitted and connected with the grooves. Sealing gaskets are respectively pasted and fixed on the lower part of the first outer sleeve and the upper part of the second outer sleeve, and the single sealing gaskets are respectively nested and fitted with the flange plate and the nut. A corrugated folding sleeve is fixedly connected under the second outer sleeve and located outside the lower end of the screw rod. Waterproof and breathable membranes are respectively pasted and fixed on the inner side of the upper end of the first outer sleeve and the inner side of the lower end of the corrugated folding sleeve, and the single waterproof and breathable membranes are respectively fitted on the hexagonal screw head and under the screw rod. Therefore, it is convenient to cover after the installation of the hexagonal flange face bolt, so that the anti-corrosion and rust-proof effect is good, and it is convenient to breathe and dissipate heat on the basis of waterproofing, reducing heat loss. Brief Description of the Drawings

[0020] Figure 1 It is a front view sectional structure schematic diagram of the present utility model;

[0021] Figure 2 It is a three-dimensional structure schematic diagram of the connection between the screw rod and the nut of the present utility model;

[0022] Figure 3 It is an internal structure schematic diagram of the screw rod of the present utility model;

[0023] Figure 4 It is a three-dimensional structure schematic diagram of the connection between the first outer sleeve and the waterproof and breathable membrane of the present utility model;

[0024] Figure 5 It is a three-dimensional structure schematic diagram of the connection between the second outer sleeve and the rubber block of the present utility model.

[0025] In the figure: 1, screw rod; 2, flange plate; 3, hexagonal screw head; 4, nut; 5, groove; 6, medium carbon steel inner layer; 7, anti-corrosion layer; 8, rust-proof layer; 9, first outer sleeve; 10, second outer sleeve; 11, rubber block; 12, sealing gasket; 13, corrugated folding sleeve; 14, waterproof and breathable membrane. Detailed Description of the Embodiment

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1-5, the present utility model provides a technical solution: a hexagon flange bolt for an anti-corrosion chassis triangular arm bracket, including a screw rod 1, a flange plate 2, a hexagon head 3, a nut 4, a groove 5, a medium carbon steel inner layer 6, an anti-corrosion layer 7, a rust-proof layer 8, a first outer sleeve 9, a second outer sleeve 10, a rubber block 11, a gasket 12, a corrugated folding sleeve 13 and a waterproof and breathable film 14. The flange plate 2 and the hexagon head 3 are sequentially arranged on the screw rod 1, and the nut 4 is nested and threadedly connected to the screw rod 1. Grooves 5 are symmetrically arranged at the centers of the outer ends of the flange plate 2 and the nut 4. The screw rod 1, the flange plate 2, the hexagon head 3 and the nut 4 are all composed of a medium carbon steel inner layer 6, an anti-corrosion layer 7 and a rust-proof layer 8. A first shielding and protecting structure is arranged on the outer sides of the flange plate 2 and the hexagon head 3. The first shielding and protecting structure includes a first outer sleeve 9, a rubber block 11, a gasket 12 and a waterproof and breathable film 14. The first outer sleeve 9 is nested and fitted on the outer side of the flange plate 2. A second shielding and protecting structure is arranged on the outer sides of the screw rod 1 and the nut 4. The second shielding and protecting structure includes a second outer sleeve 10, a rubber block 11, a gasket 12, a corrugated folding sleeve 13 and a waterproof and breathable film 14. The second outer sleeve 10 is nested and fitted on the outer side of the nut 4. Specific Embodiment 1

[0029] In order to solve the problems in the prior art that it is not convenient to shield after the installation of the hexagon flange bolt and the anti-corrosion and rust-proof effects are limited, therefore, this embodiment adopts the following technical solutions, such as Figure 1 , Figure 2 and Figure 3 . First, hold the flange plate 2 fixedly connected to the screw rod 1 by hand, penetrate the screw rod 1 into the chassis triangular arm bracket to be installed under the vehicle, then thread the nut 4 onto the screw rod 1, and on the basis of fixing the hexagon head 3 fixedly connected to the flange plate 2 by a wrench, tighten the nut 4 to fasten the chassis triangular arm bracket to the vehicle. In addition, the screw rod 1, the flange plate 2, the hexagon head 3 and the nut 4 are all composed of a medium carbon steel inner layer 6, an anti-corrosion layer 7 sprayed on the outer side of the medium carbon steel inner layer 6 and a rust-proof layer 8. The anti-corrosion layer 7 and the rust-proof layer 8 are polyurethane anti-corrosion paint and sodium nitrite rust-proof paint respectively. Therefore, it is convenient to make the hexagon flange bolt have anti-corrosion and rust-proof effects;

[0030] Such as Figure 1 , Figure 2 , Figure 4 and Figure 5, after fastening the chassis triangular arm bracket to the vehicle through the hexagon flange face bolt, the first outer sleeve 9 can be nested and fitted on the outside of the flange plate 2, so that the rubber blocks 11 symmetrically pasted and fixed inside the first outer sleeve 9 are snap-fitted and connected with the grooves 5 opened in the flange plate 2, and the gasket 12 pasted and fixed on the lower side of the first outer sleeve 9 is nested and fitted with the flange plate 2. The waterproof and breathable film 14 pasted and fixed on the inner side of the upper end of the first outer sleeve 9 is fitted on the outside of the hexagon head 3. Then, the second outer sleeve 10 can be nested and fitted on the outside of the nut 4, so that the rubber blocks 11 symmetrically pasted and fixed inside the second outer sleeve 10 are snap-fitted and connected with the grooves 5 opened in the nut 4, and the gasket 12 pasted and fixed on the upper side of the second outer sleeve 10 is nested and fitted with the nut 4. The corrugated folding sleeve 13 pasted and fixed on the lower side of the second outer sleeve 10 is located on the outside of the outer end of the screw rod 1, and the waterproof and breathable film 14 pasted and fixed on the inner side of the lower end of the corrugated folding sleeve 13 is fitted on the outside of the screw rod 1. In this way, the gasket 12 monomers are respectively fitted on the outside of the vehicle and the chassis triangular arm bracket, and the first outer sleeve 9, the second outer sleeve 10, the rubber blocks 11, the corrugated folding sleeve 13 and the waterproof and breathable film 14 play a role in shielding and protection, so that the anti-corrosion and rust-proof effect of the hexagon flange face bolt after installation is good. And due to the arrangement of the waterproof and breathable film 14, the hexagon flange face bolt can be breathable and dissipate heat on the basis of waterproofing, reducing heat loss. All the components contained above are prior arts and will not be described in detail herein.

[0031] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The standard parts used in the present invention can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt the conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt the conventional models in the prior art. Plus, the circuit connection adopts the conventional connection method in the prior art and will not be described in detail herein. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corrosion-resistant hexagonal flange bolt for a chassis triangular arm bracket, comprising: A screw rod (1), a flange plate (2) and a hexagonal screw head (3) arranged on the screw rod (1) in sequence, and a nut (4) arranged outside the screw rod (1) and threadedly connected thereto; It is characterized by further comprising: The outer ends of the flange plate (2) and the nut (4) are both centrally symmetrically provided with grooves (5), and the screw (1), the flange plate (2), the hexagonal screw head (3) and the nut (4) are all formed with a medium carbon steel inner layer (6), an anti-corrosion layer (7) and an anti-rust layer (8); A first shielding and protective structure is arranged on the outer side of the flange plate (2) and the hexagonal screw head (3), wherein the first shielding and protective structure comprises a first outer jacket (9), a rubber block (11), a sealing gasket (12) and a waterproof and breathable membrane (14), and the first outer jacket (9) is nested and attached to the outside of the flange plate (2); A second shielding and protective structure is arranged on the outer side of the screw rod (1) and the nut (4), wherein the second shielding and protective structure comprises a second outer sleeve (10), a rubber block (11), a sealing gasket (12), a corrugated folding sleeve (13) and a waterproof breathable membrane (14), and the second outer sleeve (10) is nested and fitted outside the nut (4).

2. The anti-corrosion hexagonal flange bolt for chassis triangular arm bracket according to claim 1, characterized in that: The flange plate (2) is fixedly connected to the screw rod (1) and the hexagonal screw head (3), and the outer end of the flange plate (2) protrudes outside the screw rod (1) and the hexagonal screw head (3).

3. The anti-corrosion hexagonal flange bolt for chassis triangular arm bracket according to claim 1, characterized in that: The anti-corrosion layer (7) and the anti-rust layer (8) are sprayed on the outside of the medium carbon steel inner layer (6) in sequence, and the materials of the anti-corrosion layer (7) and the anti-rust layer (8) are polyurethane anti-corrosion coating and sodium nitrite anti-rust coating respectively.

4. The anti-corrosion hexagonal flange bolt for chassis triangular arm bracket according to claim 1, characterized in that: A centrally symmetrically arranged rubber block (11) is glued and fixed inside the first outer sleeve (9) and the second outer sleeve (10), and the rubber block (11) is connected to the groove (5) by snap-fitting.

5. The anti-corrosion hexagonal flange bolt for chassis triangular arm bracket according to claim 1, characterized in that: A sealing gasket (12) is adhered and fixed to the lower side of the first outer sleeve (9) and the upper side of the second outer sleeve (10), and the sealing gasket (12) monomer is respectively nested and attached to the outside of the flange plate (2) and the nut (4), and the outer end horizontal plane of the sealing gasket (12) monomer is respectively in the same horizontal plane as the lower surface of the flange plate (2) and the upper surface of the nut (4).

6. The corrosion-resistant hexagonal flange bolt for chassis triangular arm bracket according to claim 1, characterized in that: The upper end of the first outer sleeve (9) is located outside the hexagonal screw head (3), and a waterproof breathable membrane (14) is adhered and fixed to the inner side of the upper end of the first outer sleeve (9) and is arranged in contact with the hexagonal screw head (3).

7. The anti-corrosion hexagonal flange bolt for chassis triangular arm bracket according to claim 1, characterized in that: A corrugated folded sleeve (13) located outside the lower end of the screw (1) is glued and fixed to the lower side of the second outer sleeve (10), and a waterproof breathable membrane (14) that is bonded to the screw (1) is glued and fixed to the inner side of the lower end of the corrugated folded sleeve (13).

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