CN217539973U

CN217539973U - Be provided with anti-seepage structure oil return pipe of power steering oil return pot

Info

Publication number: CN217539973U
Application number: CN202220480053.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shaanxi West Zhilian New Energy Industry Group Co ltd
Current assignee: Shaanxi West Zhilian New Energy Industry Group Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-10-04
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to an oil return pipe technical field, in particular to power steering oil return kettle oil return pipe with anti-seepage structure, including advancing oil pipe, advance oil pipe fixedly connected with takeover b, takeover b threaded connection has oil return pipe, oil return pipe is located the inboard of sealing member a, sealing member a is located the below of sealing member b, sealing member a is located the inboard of fastener a, fastener a has fastener b through the bolt, the internal surface of sealing member a and sealing member b all bonds and has the oil absorption silica gel, fastener a and fastener b internal surface all bond the barrier layer, oil return pipe internal surface is scribbled and is scribbled the temperature resistant layer, oil return pipe surface bonds and has temperature resistant cloth, temperature resistant cloth surface is scribbled and is scribbled the skin, cooperation such as fastener, sealing member, oil absorption silica gel are sealed fixed oil pipe and oil return pipe junction, can avoid leaking; the heat resistance of the oil return pipe is improved by matching the temperature resistant layer, the temperature resistant cloth and the outer layer.

Description

Be provided with power steering oil return kettle return oil pipe of anti-seepage structure

Technical Field

The utility model relates to a be provided with power steering return oil kettle of anti-seepage structure returns oil pipe, specifically be a power steering return oil kettle that is provided with anti-seepage structure returns oil pipe, belong to back oil pipe technical field.

Background

Most of the existing automobiles are provided with an oil return pipe, oil is supplied to an engine by a fuel pump, certain pressure is formed, except for the condition that the oil is normally supplied to a fuel nozzle for oil injection, the rest fuel oil is returned to an oil tank through an oil return pipeline, and the rest gasoline steam collected by a carbon tank is returned to the oil return pipe of the oil tank through the oil return pipe, so that the rest oil can be returned to the oil tank, the pressure for discharging the gasoline can be achieved, and the oil consumption can be reduced.

The patent No. CN 205706846U discloses a power steering oil return pipe, which is characterized in that a hose and a hard pipe are combined, so that on one hand, steering fluid flowing out of a steering gear is buffered through a buffer hose; on the other hand, the steering fluid is buffered through the first U-shaped hard tube and the second U-shaped hard tube, and the damping of the hydraulic system is increased; the problem of abnormal sound of a steering system caused by high-frequency impact on the road surface can be effectively reduced.

The oil return pipe of the prior art has the following disadvantages: 1. the joint of the existing oil return pipe and the upper oil inlet pipe of the oil can has poor sealing and fixing effects, and oil in the oil return pipe is easy to loosen after long-time use to cause oil leakage; 2. the existing oil return pipe has poor heat resistance, is easy to soften and age after long-time use and has short service life, so the problem is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide an oil return pipe of a power steering oil return kettle with an anti-leakage structure, and the joint of an oil inlet pipe and the oil return pipe is sealed and fixed by matching a clamping piece, a sealing piece, oil absorption silica gel and the like, so that leakage can be avoided; the temperature resistant layer, the temperature resistant cloth and the outer layer are matched to improve the heat resistance of the oil return pipe.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a power steering returns oil pot and returns oil pipe that is provided with seepage prevention structure, including advancing oil pipe, advance oil pipe fixedly connected with and take over b, take over b threaded connection and return oil pipe, it is located sealing member an's inboard to return oil pipe, sealing member a is located sealing member b's below, sealing member an is located clamping member an's inboard, clamping member a has clamping member b through the bolt fastening, sealing member an and sealing member b's internal surface all bonds and has the oil absorption silica gel, clamping member an and clamping member b internal surface all bond and have the barrier layer, it coats with the temperature-resistant layer to return oil pipe internal surface, it bonds and has temperature-resistant cloth to return oil pipe surface, temperature-resistant cloth surface coating has the skin.

Preferably, the oil inlet pipe is fixedly connected to the right side of the oil can, and the oil can is fixedly connected with the oil outlet pipe.

Preferably, the oil outlet pipe is in interference connection with a connecting pipe a, and the surface of the oil inlet pipe is provided with a groove a.

Preferably, the oil return pipe is provided with an installation groove, the installation groove is in threaded connection with a connecting pipe b, and a rubber sleeve is bonded on the inner surface of the installation groove.

Preferably, the right side of the oil inlet pipe is provided with a sealing ring, and the surface of the oil return pipe is provided with a groove b.

Preferably, the oil absorption silica gel extends outwards to form a convex block, and the convex block is connected with a groove b in a buckling mode.

Preferably, the material of the temperature-resistant layer is TPEE, and the material of the temperature-resistant cloth is aluminum silicate fiber.

The beneficial effects of the utility model are that:

1. the joint of the oil inlet pipe and the oil return pipe is sealed and fixed by matching the clamping piece, the sealing piece, the oil absorption silica gel and the like, so that leakage can be avoided; when the oil return pipe is installed, the position of the oil return pipe is adjusted to enable the position of an oil return pipe end installation groove to correspond to the position of a connecting pipe b on an oil inlet pipe, the oil return pipe is rotated after the connecting pipe b is inserted into the installation groove, the connecting pipe b can gradually rotate along the internal thread of the installation groove and enter the installation groove, the outer wall of the connecting pipe b extrudes a thin rubber sleeve in the installation groove in the continuous rotation process, the rubber sleeve has elasticity, the surface of the extruded rubber sleeve is tightly attached to the outer wall of the connecting pipe b, the sealing effect of the joint of the connecting pipe b and the oil return pipe can be improved, a sealing ring is arranged on the surface of the oil inlet pipe, the end face of the oil return pipe and the surface of the oil inlet pipe are attached to extrude the sealing ring in the continuous screwing process, the sealing ring is tightly fixed at the joint of the oil inlet pipe and the oil return pipe, the sealing element b is placed above the oil inlet pipe and the oil return pipe after being screwed, and one side of a convex block of oil absorption silica gel adhered to the inner surface of the sealing element b is clamped in a groove a formed in the oil inlet pipe, one side of the sealing element is clamped in a groove b formed in the oil return pipe, when the sealing element a is placed below the oil inlet pipe and the oil return pipe in the same way, a convex block on the oil absorption silica gel is also clamped in the groove, the clamping element a is placed on the left side of the oil inlet pipe and the oil return pipe while the sealing element a is lifted, the outer side of the joint of the sealing element a and the sealing element b is also the outer side of the joint of the sealing element a and the sealing element b, the clamping element b is placed on the right side of the oil inlet pipe and the oil return pipe and then is pinched, a bolt penetrates through the clamping element and then is screwed, the clamping element a and the clamping element b are tightly attached to each other in the continuous screwing process, simultaneously, an impermeable layer adhered to the inner sides of the clamping element a and the clamping element b is tightly attached to the outer surface of the sealing element, an extrusion force is applied to the sealing element in the continuous screwing process to enable the sealing element to be tightly attached to the oil inlet pipe and the oil return pipe, namely, the oil absorption silica gel is tightly attached to the upper side and the lower side of the joint of the oil inlet pipe and the oil return pipe, and the clamping element is positioned on the outer side of the joint of the sealing element, can seal the sealing member junction, when advancing oil pipe and returning oil pipe junction oil leakage promptly, most oil is absorbed through the inboard oil absorption silica gel of sealing member, the oil absorption silica gel expands after absorbing petrol, can be to advancing oil pipe and returning oil pipe gap, the gap is filled up between sealing member a and the sealing member b, thereby play sealed effect, the barrier layer material of fastener inboard simultaneously also is silica gel, also can expand after the oil absorption, thereby play sealed prevention of seepage effect once more, the accessible fastener, sealing member and takeover b cooperation make play oil pipe and return oil pipe zonulae occludens, the rubber sleeve simultaneously, oil absorption silica gel and barrier layer cooperation play the sealed prevention of seepage effect of multilayer, avoid petrol to leak.

2. The temperature-resistant layer, the temperature-resistant cloth and the outer layer are matched to improve the heat-resistant capability of the oil return pipe; the coating of time oil pipe internal surface has the temperature resistant layer that the material is TPEE, the temperature resistant layer has excellent heat resistance and splendid oil resistance, can improve the heat-resisting ability who returns the oil pipe, it has the material to be the temperature resistant cloth of aluminium silicate fibre to return the oil pipe outside bonding simultaneously, it has low thermal conductivity and good heat stability, can play thermal-insulated effect, obstruct external heat transfer and give back the oil pipe, and the temperature resistant cloth outside material has better heat resistance for epoxy's outer layer, can improve the holistic heat-resisting ability of oil pipe with inlayer temperature resistant cloth and temperature resistant layer cooperation, the high temperature causes the deformation of back-heating pipe when avoiding returning the oil pipe to use, thereby improve the life of back-heating pipe.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of the oil return pipe of the present invention;

FIG. 3 is a schematic structural diagram of a side view of the oil return pipe of the present invention;

fig. 4 is a cross-sectional view of the oil return pipe of the present invention.

In the figure: 1. an oil can; 2. an oil outlet pipe; 3. an oil inlet pipe; 4. a clamping piece a; 5. a bolt; 6. an oil return pipe; 7. a sealing member a; 8. taking over a; 9. a groove a; 10. a seal member b; 11. a clamping piece b; 12. oil-absorbing silica gel; 13. a bump; 14. a groove b; 15. a rubber sleeve; 16. c, connecting a pipe b; 17. mounting grooves; 18. a seal ring; 19. an impermeable layer; 20. a temperature resistant layer; 21. temperature-resistant cloth; 22. and (4) an outer layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1, please refer to fig. 1-4, a power steering oil return kettle oil return pipe provided with an anti-seepage structure includes an oil inlet pipe 3, the oil inlet pipe 3 is fixedly connected with a connection pipe b16, the connection pipe b16 is in threaded connection with an oil return pipe 6, the oil inlet pipe 3 is connected with the oil return pipe 6 through the connection pipe b16, the oil return pipe 6 is located inside a sealing element a7, the sealing element a7 is located below the sealing element b10, the sealing element a7 and the sealing element b10 are respectively located at upper and lower sides of the oil inlet pipe 3 and the oil return pipe 6, the sealing element a7 is located inside a clamping element a4, the clamping element a4 is located at left sides of the oil inlet pipe 3 and the oil return pipe 6, the clamping element a4 is bolted with a clamping element b11 through a bolt 5, the clamping element a4 and the bolt 5 are screwed down, the clamping element b11 is located at right sides of the oil inlet pipe 3 and the oil return pipe 6, inner surfaces of the sealing element a7 and the sealing element b10 are both coated with a silica gel 12, the oil absorption silica gel 12 can expand after the oil absorption of gasoline, the oil gel 12 and the oil absorption, the inner surface of the silica gel 12 and the oil tube 6 are coated with an anti-seepage layer 19, the outer layer 21 is coated with a heat-resistant cloth 21, the outer layer 21 is coated with a heat-resistant cloth 20, the heat-resistant cloth, the outer surface of the outer layer 21, the outer layer 21 is coated with the heat-resistant cloth capable of the oil return pipe 6, and the heat-resistant cloth capable of improving the oil-resistant cloth.

Particularly, go out oil pipe 2 interference and be connected with takeover a8, go out oil pipe 2 and be connected with external pipeline through takeover a8, advance oil pipe 3 surface and set up fluted a9, advance the recess a9 of seting up on the oil pipe 3 and can play the prevention of seepage effect with oil absorption silica gel 12 cooperation.

Specifically, the oil return pipe 6 is provided with an installation groove 17, the installation groove 17 is in threaded connection with a connection pipe b16, an internal thread formed on the inner surface of the connection pipe b16 is matched with an external thread formed in the installation groove 17, a rubber sleeve 15 is bonded on the inner surface of the installation groove 17, and the connection pipe b16 continuously extrudes the rubber sleeve 15 in the tightening process, so that the sealing effect is improved.

Specifically, a sealing ring 18 is installed on the right side of the oil inlet pipe 3, the sealing ring 18 is fixed at a position where the oil inlet pipe 3 is attached to the oil return pipe 6 and can play a role in sealing, and a groove b14 is formed in the surface of the oil return pipe 6.

Particularly, 12 outside extensions on oil absorption silica gel have lug 13, lug 13 snap-fit connection is fluted b14, and lug 13 card is gone into behind the recess, can improve the fastener and advance oil pipe 3 and return oil pipe 6 between sealed effect.

Specifically, the temperature-resistant layer 20 is made of TPEE, the temperature-resistant layer 20 has good heat resistance, the temperature-resistant cloth 21 is made of aluminum silicate fiber, and the temperature-resistant cloth 21 has good heat resistance and heat insulation capability.

Example 2: referring to fig. 1, the difference between the embodiment and the embodiment 1 is: the oil inlet pipe 3 is fixedly connected to the right side of the oil can 1, oil is conveyed into the oil can 1 through the oil inlet pipe 3, the oil can 1 is fixedly connected with the oil outlet pipe 2, and the oil in the oil can 1 is conveyed outwards through the oil outlet pipe 2.

When the utility model is used, when the oil return pipe 6 is installed, the position of the oil return pipe 6 is adjusted to ensure that the position of an installation groove 17 at the end of the oil return pipe 6 corresponds to the position of a connecting pipe b16 on an oil inlet pipe 3, the oil return pipe 6 is rotated after the connecting pipe b16 is inserted into the installation groove 17, the connecting pipe b16 can gradually rotate along the internal thread of the installation groove 17 and enter the installation groove 17, the outer wall of the connecting pipe b16 extrudes a thin rubber sleeve 15 in the installation groove 17 in the continuous rotation process, the rubber sleeve 15 has elasticity, the surface after extrusion is clung to the outer wall of the connecting pipe b16, the sealing effect of the joint of the connecting pipe b16 and the oil return pipe 6 can be improved, a sealing ring 18 is arranged on the surface of the oil inlet pipe 3, the end surface of the oil return pipe 6 is clung to the surface of the oil inlet pipe 3 in the continuous screwing process to extrude the sealing ring 18, the oil return pipe is fastened at the joint of the oil inlet pipe 3 and the oil return pipe 6, the sealing effect can be achieved, the sealing element b10 is placed above the oil return pipe 3 and the oil return pipe 6 after screwing, and one side of a convex block 13 on an oil absorption silica gel 12 bonded on the inner surface of a sealing element b10 is clamped in a groove a9 arranged on an oil inlet pipe 3, and the other side is clamped in a groove b14 arranged on an oil return pipe 6, and similarly, when the sealing element a7 is placed below the oil inlet pipe 3 and the oil return pipe 6, the convex block 13 on the oil absorption silica gel 12 is also clamped in the groove, a clamping piece a4 is placed on the left side of the oil inlet pipe 3 and the oil return pipe 6 and on the outer side of the joint of the sealing element a7 and the sealing element b10 while the sealing element a7 is lifted, the clamping piece b11 is placed on the right side of the oil inlet pipe 3 and the oil return pipe 6 and then two clamping pieces are pinched, a bolt 5 is screwed after penetrating through the clamping piece, the clamping piece a4 and the clamping piece b11 are mutually attached in the continuous screwing process, meanwhile, an anti-seepage layer 19 bonded on the inner sides of the clamping piece a4 and the clamping piece b11 and the outer surface of the sealing element are tightly attached to the oil inlet pipe 3 and the oil return pipe 6, namely the oil absorption silica gel 12 is clung to the oil inlet pipe 3 and the oil return pipe 6, the upper and lower sides of the joint of the oil inlet pipe 3 and the oil return pipe 6 can be sealed, the clamping piece is positioned at the outer side of the joint of the sealing piece, the joint of the sealing piece can be sealed, namely when oil leaks at the joint of the oil inlet pipe 3 and the oil return pipe 6, most of the oil is absorbed by the oil absorption silica gel 12 at the inner side of the sealing piece, the oil absorption silica gel 12 expands after absorbing the gasoline, the gap between the oil inlet pipe 3 and the oil return pipe 6 and the gap between the sealing piece a7 and the sealing piece b10 can be filled, thereby having the sealing effect, simultaneously, the impermeable layer 19 at the inner side of the clamping piece is also made of silica gel, can expand after absorbing the gasoline, thereby having the sealing and impermeable effects again, and the oil outlet pipe can be tightly connected with the oil return pipe 6 through the matching of the clamping piece, the sealing piece and the connecting pipe b16, meanwhile, the rubber sleeve 15, the oil absorption silica gel 12 and the impermeable layer 19 are matched to achieve a multi-layer sealing impermeable effect, so that gasoline leakage is avoided, the inner surface of the oil return pipe 6 is coated with a temperature resistant layer 20 made of TPEE, the temperature resistant layer 20 has excellent heat resistance and excellent oil resistance, the heat resistance of the oil return pipe 6 can be improved, meanwhile, a temperature resistant cloth 21 made of aluminum silicate fibers is bonded on the outer side of the oil return pipe 6, the oil return pipe has low heat conductivity and excellent heat stability, a heat insulation effect is achieved, external heat is prevented from being transmitted to the oil return pipe 6, an outer layer 22 made of epoxy resin on the outer side of the temperature resistant cloth 21 has good heat resistance, the heat resistant cloth can be matched with the inner heat resistant cloth 21 and the temperature resistant layer 20 to improve the overall heat resistance of the oil return pipe 6, deformation caused by overhigh temperature when the oil return pipe 6 is used is avoided, and the service life of the oil return pipe is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be provided with power steering return oil kettle oil return pipe of prevention of seepage leak structure, includes into oil pipe (3), its characterized in that: advance oil pipe (3) fixedly connected with and take over b (16), take over b (16) threaded connection has back oil pipe (6), it is located the inboard of sealing member a (7) to return oil pipe (6), sealing member a (7) are located the below of sealing member b (10), sealing member a (7) are located the inboard of fastener a (4), fastener a (4) have fastener b (11) through bolt (5) bolt joint, the internal surface of sealing member a (7) and sealing member b (10) all bonds and has oil absorption silica gel (12), fastener a (4) and fastener b (11) internal surface all bond and have barrier layer (19), it has temperature-resistant layer (20) to return oil pipe (6) internal surface coating, it has temperature-resistant cloth (21) to return oil pipe (6) surface bonding, temperature-resistant cloth (21) surface coating has outer (22).

2. The power steering return oil pot return pipe with the leakage prevention structure as claimed in claim 1, wherein: the oil inlet pipe (3) is fixedly connected to the right side of the oil can (1), and the oil can (1) is fixedly connected with the oil outlet pipe (2).

3. The power steering return oil pot return pipe with the leakage prevention structure as claimed in claim 2, wherein: the oil outlet pipe (2) is connected with a connecting pipe a (8) in an interference mode, and a groove a (9) is formed in the surface of the oil inlet pipe (3).

4. The power steering return oil pot return pipe with the leakage prevention structure as claimed in claim 1, wherein: the oil return pipe (6) is provided with an installation groove (17), the installation groove (17) is in threaded connection with a connecting pipe b (16), and a rubber sleeve (15) is bonded on the inner surface of the installation groove (17).

5. The power steering return oil pot return pipe with the leakage prevention structure as claimed in claim 1, wherein: the right side of the oil inlet pipe (3) is provided with a sealing ring (18), and the surface of the oil return pipe (6) is provided with a groove b (14).

6. The power steering return oil pot return pipe with the leakage prevention structure as claimed in claim 1, wherein: oil absorption silica gel (12) outwards extend has lug (13), lug (13) snap-fit connection has recess b (14).

7. The power steering return oil pot return pipe with the leakage prevention structure as claimed in claim 1, wherein: the temperature-resistant layer (20) is made of TPEE, and the temperature-resistant cloth (21) is made of aluminum silicate fibers.