CN216200098U

CN216200098U - Hydraulic suspension

Info

Publication number: CN216200098U
Application number: CN202122704676.7U
Authority: CN
Inventors: 平立芳; 王晓东
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model provides a hydraulic suspension, which comprises a base and a control valve, wherein an inertia channel is arranged in the base, and the control valve is arranged on the base; the control valve can be pressed by external force to make the inertia channel conduct with the outside and to isolate the inertia channel from the outside when the external force is removed. According to the hydraulic suspension, the control valve is arranged on the base, when liquid is filled and oil in the hydraulic suspension needs to be exhausted, the control valve can be pressed by external force to enable the inertia channel to be communicated with the outside, so that the oil can enter and exit, and when the external force is removed, the inertia channel can be isolated from the outside, so that the oil can be prevented from entering and exiting, oil can be filled or discharged according to the requirement, the hydraulic suspension can be recycled, and research, development, verification and after-sale maintenance cost can be reduced.

Description

Hydraulic suspension

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to a hydraulic suspension.

Background

With the increasingly intense competition of the automobile industry, in order to improve the product competitiveness, the continuous improvement of the quality of the whole automobile is a more effective coping way. At the present stage, hydraulic suspensions are mostly adopted for the left suspension and the right suspension of the middle-high-end passenger car type engine, so that the driving comfort of the whole car is improved.

At present, liquid is generally required to be injected into a main spring cavity through a tool, and after the liquid in the cavity is injected, a steel ball is pressed into a liquid injection hole through a press-fitting process, so that a liquid cavity is sealed, the structure is simple, and the cost is low.

However, the liquid seal mode adopts an interference fit mode, the steel ball is not detachable and replaceable after being pressed in, the rubber main spring of the hydraulic suspension is not reusable, oil in the suspension needs to be released when the hydraulic suspension is verified, and verification and after-sale maintenance cost can be increased because the steel ball is not detachable and replaceable. Meanwhile, after liquid is injected, a press-fitting process is needed, and the steel ball is pressed into the liquid injection port, so that the tooling cost and the labor-hour loss are increased, and the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a hydraulic mount to reduce the verification and maintenance cost of the mount.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a hydraulic mount comprising a base and a control valve, wherein:

an inertia channel is arranged in the base;

the control valve is arranged on the base;

the control valve can be pressed by external force to make the inertia channel communicated with the outside and isolate the inertia channel from the outside when the external force is removed.

Furthermore, a liquid injection channel is formed in the base, the inertia channel is communicated with the outside through the liquid injection channel, and the control valve is installed in the liquid injection channel.

Further, the control valve includes a plugging cap, an elastic member and a plugging member, wherein: the plugging cap is hermetically connected in the liquid injection channel, a liquid injection hole is formed in the plugging cap, and the liquid injection channel is communicated with the outside through the liquid injection hole; the elastic piece and the plugging piece are arranged in the liquid injection channel, and the plugging piece is in sealing and abutting connection with the liquid injection hole; a ring protrusion is formed in the liquid injection channel, one end of the elastic piece is abutted to the plugging piece, and the other end of the elastic piece is abutted to the ring protrusion.

Further, the control valve includes a housing, an elastic member, and a blocking member, wherein: the shell is hermetically connected in the liquid injection channel; a containing cavity is arranged in the shell, a liquid injection hole is formed in one end of the shell, a liquid outlet hole is formed in the other end of the shell, the containing cavity is communicated with the outside through the liquid injection hole, and the containing cavity is communicated with the inertia channel through the liquid outlet hole; the elastic piece and the plugging piece are arranged in the accommodating cavity, and the plugging piece is in sealing butt joint with the liquid injection hole; one end of the elastic piece is abutted to the blocking piece, and the other end of the elastic piece is abutted to the accommodating cavity.

Further, the housing includes a base and a housing body; the base is arranged in the inertia channel, the shell body is in threaded connection with the liquid injection channel, the liquid injection hole is formed in the end face of one end of the shell body, the other end of the shell body is detachably connected with the base, and the liquid outlet hole is formed in one end, close to the base, of the shell body.

Further, the base comprises a base plate and an outer convex part arranged on the base plate; the base is inserted into the housing main body via the convex portion.

Further, the outer convex part is formed with a restraining groove around the outer convex part, and the elastic part comprises a spring with one end restrained in the restraining groove; and/or, the closure comprises a ball.

Further, a tool operating part is arranged on the shell body.

Further, the tool operation part comprises a groove formed on the shell body; the liquid injection hole is formed in the bottom wall of the groove.

Furthermore, a plurality of liquid outlet holes are formed in the circumferential surface of one end, close to the base, of the shell body; the liquid outlet holes are arranged around the shell body at intervals in the circumferential direction.

Compared with the prior art, the utility model has the following advantages:

(1) according to the hydraulic suspension, the control valve is arranged on the base, when liquid is filled and oil in the hydraulic suspension needs to be exhausted, the control valve can be pressed by external force to enable the inertia channel to be communicated with the outside, so that the oil can enter and exit, and when the external force is removed, the inertia channel can be isolated from the outside, so that the oil can be prevented from entering and exiting, oil can be filled or discharged according to the requirement, the hydraulic suspension can be recycled, and research, development, verification and after-sale maintenance cost can be reduced.

(2) The base is provided with the liquid injection channel, so that the control valve can be conveniently installed and arranged.

(3) The control valve comprises a plugging cap, an elastic piece and a plugging piece, a liquid injection hole is formed in the plugging cap, the plugging piece is used for plugging, a ring protrusion is arranged in a liquid injection channel, the arrangement of the elastic piece can be facilitated, external force can be applied to the plugging piece in the liquid injection process, the elastic piece is compressed by the plugging piece, the elastic piece stores energy and the liquid injection hole is opened, after the liquid injection is completed, the elastic piece releases energy and enables the plugging piece to be plugged again to form the liquid injection hole, when oil needs to be exhausted in the hydraulic suspension verification process, the oil can be released by pressing the plugging piece, and the application is convenient.

(4) The control valve includes the casing, elastic component and shutoff piece, casing sealing connection is in annotating the liquid passageway, set up in the casing and hold the chamber, make things convenient for arranging of elastic component and shutoff piece, and hold and set up on the chamber and annotate the liquid hole and go out the liquid hole, annotate the liquid in-process and can apply external force to the shutoff piece, compress the elastic component by the shutoff piece, the elastic component energy storage just annotates the liquid hole and opens, annotate the liquid hole after the liquid finishes, the elastic component energy release makes the shutoff piece restore the shutoff, when oil liquid needs to be emptied in the hydraulic pressure suspension verification process, also can release fluid through pressing the shutoff piece, and convenient to use. (5) The shell adopts the base and the shell body which are detachably connected together, so that the assembly and disassembly are convenient; the shell body is screwed in the liquid injection channel, so that the convenience of assembly and disassembly between the suspension liquid injection structure and the base can be improved.

(6) The base comprises a base plate and an outer convex part, and the outer convex part is surrounded to form a restraining groove, so that the base is conveniently connected with the shell body and can conveniently restrain the elastic part.

(7) The tool operation part is arranged on the shell body, so that the shell can be conveniently installed on the base, and the tool operation part is arranged to be a groove, so that the processing is convenient.

(8) The chamfer angle is formed at the end part of the liquid injection hole, the chamfer angle of the exposed end can be conveniently matched with an external liquid injection mechanism, and the chamfer angle of the built-in end can be conveniently matched with a plugging piece, so that the liquid injection hole has a better application effect.

(9) Set up a plurality of liquid holes in the casing main part, be favorable to improving and annotate liquid efficiency.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a control valve according to an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 1;

FIG. 5 is a partial cross-sectional view of a control valve according to an embodiment of the present invention mounted on a base;

FIG. 6 is a schematic structural diagram of a hydraulic mount according to an embodiment of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a schematic diagram of a control valve of an embodiment of the present invention mounted on a base;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a top view of FIG. 8;

FIG. 11 is a cross-sectional view taken along line B-B of FIG. 8;

fig. 12 is an enlarged view of a portion C in fig. 11.

Description of reference numerals:

1. a base; 2. a housing; 3. an elastic member; 4. a blocking member; 5. a bridge support; 6. a bracket arm;

101. an inertial channel; 102. a liquid injection channel;

201. a base; 202. a housing main body; 203. an accommodating chamber;

2011. a substrate; 2012. an outer convex portion; 2013. a confinement groove;

2021. a liquid injection hole; 20211. chamfering; 2022. a liquid outlet hole; 2023. a tool operating part.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The present embodiment relates to a hydraulic mount, as shown in fig. 1 and fig. 5, which mainly includes a base 1 and a control valve, wherein an inertia channel 101 is disposed on the base 1, the control valve is disposed on the base 1, and the control valve can be pressed by an external force to connect the inertia channel 101 with the outside, and the inertia channel 101 is isolated from the outside when the external force is removed.

Based on the above design concept, an exemplary structure of the hydraulic mount of the present embodiment can be seen in fig. 6 and 7, and includes a base 1, a bridge bracket 5 and a bracket 6, wherein a main rubber spring is installed between the base 1 and the bridge bracket 5, the main rubber spring and a cup enclosure not shown in the figure are configured to have a liquid chamber, and the structures of the above components and other components not mentioned can be seen from the existing structure, and the present embodiment will not be described in detail.

The main improvement point of the embodiment is that the structure of the base 1 is improved, and a control valve is installed in the liquid injection channel 102 of the base 1, so as to facilitate the suspension liquid injection and reduce the verification and maintenance cost of the suspension.

In order to better understand the hydraulic mount of the present embodiment, the structure of the base 1 will be briefly described with reference to fig. 5. The structure of the base 1 can refer to the prior art specifically, and as shown in fig. 8 to 12, a liquid injection channel 102 is generally provided on the base 1, and is communicated with a liquid chamber in a rubber main spring of a hydraulic suspension through an inertia channel 101, and the control valve of the embodiment is assembled at the liquid injection channel 102.

As a preferred embodiment, the control valve mainly comprises a housing 2, an elastic member 3 and a blocking member 4, wherein the housing 2 is detachably connected to the through hole 102, an accommodating cavity 203 is formed in the housing 2, and the elastic member 3 and the blocking member 4 are installed in the accommodating cavity 203.

Still referring to fig. 1 to 4, the casing 2 includes a base 201 and a casing main body 202 detachably connected together, wherein the base 201 is disposed in the inertia channel 101, the casing main body 202 is screwed to the liquid injection channel 102, an end face of one end of the casing main body 202 is provided with a liquid injection hole 2021, the other end of the casing main body 202 is detachably connected to the base 201, and an end of the casing main body 202 close to the base 201 is provided with a liquid injection hole 2022.

Structurally, the base 201 and the housing main body 202 form a containing cavity 203, one end of the containing cavity 203 is communicated with the outside to form a liquid injection hole 2021, the side wall of the containing cavity 203 is communicated with the inertia channel 101 through a liquid outlet hole 2022, the elastic element 3 and the blocking element 4 are both arranged in the containing cavity 203, the blocking element 4 is blocked at the liquid injection hole 2021, one end of the elastic element 3 abuts against the blocking element 4, the other end abuts against the bottom wall of the containing cavity 203, and in the state shown in fig. 4, the bottom wall of the containing cavity 203 is arranged at the lower part of the containing cavity 203.

Preferably, the housing main body 202 and the base 201 are connected by plugging, the base 201 can be fixed in the inertia channel 101 by gluing, the injection channel 102 is a threaded hole, and the housing main body 202 is screwed to the injection channel 102.

It should be noted that, instead of being fixed in the inertia track 101 by gluing, the base 201 may be fixed by other methods, such as welding, screwing, clipping, etc. Besides, the housing body 202 can be screwed to the through hole, but other structures can be adopted, such as clamping, or a flange is arranged on the outer wall of the housing body 202, and the housing body is fixed on the base 1 through a connecting piece penetrating through the flange, such as a bolt.

Structurally, the base 201 includes a base 2011 and an outer protrusion 2012 disposed on the base 2011, in this embodiment, the outer protrusion 2012 is preferably annular, such that the outer protrusion 2012 forms a constraining groove 2013, the base 201 can be inserted into the housing body 202 through the outer protrusion 2012, and an end of the elastic member 3 away from the blocking member 4 can be constrained in the constraining groove 2013.

The structure of the housing body 202, which can still be seen in fig. 1 to 4, includes a sleeve, and a plurality of extension plates extending downward from one end of the sleeve. A convex ring is formed inside the sleeve, a liquid injection hole 2021 is formed in the middle of the convex ring, and chamfers 20211 are formed at two ends of the liquid injection hole 2021. In the state shown in fig. 4, the chamfer 20211 at the upper end of the liquid injection hole 2021 can be conveniently matched with an external liquid injection mechanism, and the chamfer 20211 at the lower end of the liquid injection hole 2021 can be conveniently matched with the plugging piece 4, so that the application effect is better.

It should be noted here that, in addition to the chamfer 20211 may be formed on both ends of the liquid injection hole 2021, the chamfer 20211 may be formed only on one end of the liquid injection hole 2021, which may only cause the effect of the engagement with the external liquid injection mechanism or the stopper 4 to be deteriorated.

The extension plates on the housing main body 202 are multiple, and the multiple extension plates are arranged around the circumference of the housing main body 202 at intervals, so that the multiple extension plates, the convex ring inside the sleeve and the base 201 form the accommodating cavity 203 of the housing 2, and the gap between adjacent extension plates forms the liquid outlet 2022. In this structure, be formed with a plurality of liquid holes 2022 on the lateral wall of casing main part 202, and a plurality of liquid holes 2022 encircle the circumference interval arrangement of casing main part 202, can effectively improve and annotate liquid efficiency when annotating the liquid.

To facilitate the installation of the case 2 in the liquid injection passage 102, a tool operation portion 2023 is provided on the case main body 202, specifically, the tool operation portion 2023 includes a recessed groove formed on the case main body 202, and the liquid injection hole 2021 is opened on the bottom wall of the recessed groove.

In this structure, the cross section of the groove is preferably hexagonal, but it may also be other shapes, such as quadrilateral, which is convenient for inserting and connecting with a wrench to screw the housing main body 202 into the liquid injection channel 102. Furthermore, the tool-operating portion 2023 may be a boss instead of a groove, and thus may be engaged with a socket wrench to facilitate the installation of the housing 2.

Finally, it should be added that, in this embodiment, the liquid outlet hole 2022 may be formed on the side wall of the accommodating cavity 203, but may also be formed on the base 201, or the liquid outlet hole 2022 is formed on both the side wall of the accommodating cavity 203 and the base 201, only when the housing 2 is screwed to the liquid injection channel 102, a gap should be reserved between the base 201 and the side wall of the inertia channel 101, so as to facilitate the liquid outlet of the liquid outlet hole 2022 on the bottom wall.

The plugging member 4 is a ball, the elastic member 3 is preferably a spring, and when the base 201 and the housing main body 202 are connected together, the spring is in an energy storage state, so that the liquid injection hole 2021 of the plugging member 4 is sealed well, one end of the spring abuts against the ball, and the other end of the spring abuts against the bottom of the accommodating cavity 203 and is constrained in the constraint groove 2013.

It should be noted here that the blocking element 4 may also take other shapes than a sphere, for example, it may be a truncated cone. Besides the spring, the elastic member 3 may also be of other existing structures with elasticity. The number of the springs can be one, and the springs can also be in other numbers, so that the limiting columns convenient for limiting the positions of the springs can be arranged in the accommodating cavity 203, and the springs are respectively sleeved on the corresponding limiting columns.

As another preferred embodiment, the control valve comprises a blocking cap, an elastic member 3 and a blocking member 4, wherein: the plugging cap is hermetically connected in the liquid injection channel 102, a liquid injection hole 2021 is formed in the plugging cap, and the liquid injection channel 102 is communicated with the outside through the liquid injection hole 2021; the elastic element 3 and the plugging element 4 are both arranged in the liquid injection channel 102, and the plugging element 4 is in sealing and abutting joint with the liquid injection hole 2021; an annular protrusion is formed in the liquid injection channel 102, one end of the elastic part 3 is abutted to the plugging part 4, and the other end of the elastic part 3 is abutted to the annular protrusion, so that oil injection or oil discharge can be conveniently performed.

During the specific assembly, the plugging cap may be provided with external threads, which are screwed into the liquid injection channel 102, and in order to facilitate the installation of the plugging cap in the liquid injection channel 102, the plugging cap may also be provided with a tool operation portion 2023, and the specific structure and the arrangement mode of the tool operation portion may refer to the above description, and will not be described in detail herein.

The hydraulic suspension of this embodiment annotates the liquid in-process and can exert external force to shutoff piece 4, by shutoff piece 4 compression elastic component 3, elastic component 3 energy storage, annotate the back that the liquid is accomplished, elastic component 3 energy release and make shutoff piece 4 shutoff again annotate liquid hole 2021, when the oil liquid needs the evacuation in the hydraulic suspension verification process, also can release fluid through pressing shutoff piece 4 to can make hydraulic suspension reuse, and then reduce research and development and verify and after-sale cost of maintenance.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. Hydraulic mount, characterized by comprising a base (1) and a control valve, wherein:

an inertia channel (101) is arranged in the base (1);

the control valve is arranged on the base (1);

the control valve can be pressed by external force to enable the inertia channel (101) to be communicated with the outside, and the inertia channel (101) is isolated from the outside when the external force is removed.

2. The hydraulic mount of claim 1 wherein:

the base (1) is provided with a liquid injection channel (102), the inertia channel (101) is communicated with the outside through the liquid injection channel (102), and the control valve is installed in the liquid injection channel (102).

3. The hydraulic mount of claim 2 wherein:

the control valve comprises a plugging cap, an elastic piece (3) and a plugging piece (4), wherein:

the plugging cap is hermetically connected in the liquid injection channel (102), a liquid injection hole (2021) is formed in the plugging cap, and the liquid injection channel (102) is communicated with the outside through the liquid injection hole (2021);

the elastic piece (3) and the plugging piece (4) are arranged in the liquid injection channel (102), and the plugging piece (4) is in sealing butt joint with the liquid injection hole (2021);

an annular bulge is formed in the liquid injection channel (102), one end of the elastic piece (3) is abutted to the plugging piece (4), and the other end of the elastic piece (3) is abutted to the annular bulge.

4. The hydraulic mount of claim 2 wherein:

the control valve comprises a housing (2), an elastic member (3) and a blocking member (4), wherein:

the shell (2) is hermetically connected in the liquid injection channel (102);

an accommodating cavity (203) is arranged in the shell (2), one end of the shell (2) is provided with a liquid injection hole (2021), the other end of the shell (2) is provided with a liquid outlet hole (2022), the accommodating cavity (203) is communicated with the outside through the liquid injection hole (2021), and the accommodating cavity (203) is communicated with the inertia channel (101) through the liquid outlet hole (2022);

the elastic piece (3) and the blocking piece (4) are arranged in the accommodating cavity (203), and the blocking piece (4) is in sealing and abutting joint with the liquid injection hole (2021);

one end of the elastic piece (3) is abutted against the plugging piece (4), and the other end of the elastic piece (3) is abutted against the accommodating cavity (203).

5. The hydraulic mount of claim 4 wherein:

the housing (2) comprises a base (201) and a housing body (202);

the base (201) is arranged in the inertia channel (101), the shell body (202) is screwed to the liquid injection channel (102), the liquid injection hole (2021) is formed in the end face of one end of the shell body (202), the other end of the shell body (202) is detachably connected with the base (201), and the liquid outlet hole (2022) is formed in one end, close to the base (201), of the shell body (202).

6. The hydraulic mount of claim 5 wherein:

the base (201) comprises a base plate (2011) and an external convex part (2012) arranged on the base plate (2011);

the base (201) is inserted into the housing body (202) via the projection (2012).

7. The hydraulic mount of claim 6 wherein:

the male part (2012) is formed with a restraint groove (2013) around the male part, and the elastic member (3) comprises a spring with one end restrained in the restraint groove (2013); and/or the presence of a gas in the gas,

the closure (4) comprises a ball.

8. The hydraulic mount of claim 5 wherein:

the housing main body (202) is provided with a tool operation part (2023).

9. The hydraulic mount of claim 8 wherein:

the tool operating portion (2023) includes a groove formed on the housing main body (202); the liquid injection hole (2021) is arranged on the bottom wall of the groove.

10. The hydraulic mount of any of claims 5-9 wherein:

the circumferential surface of one end of the shell body (202) close to the base (201) is provided with a plurality of liquid outlet holes (2022);

the liquid outlet holes (2022) are arranged around the circumference of the shell body (202) at intervals.