CN217951322U

CN217951322U - Oil outlet one-way valve and HCU body

Info

Publication number: CN217951322U
Application number: CN202222009178.5U
Authority: CN
Inventors: 曹忠
Original assignee: Hubei Hangte Technology Co ltd
Current assignee: Hubei Hangte Technology Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-02
Anticipated expiration: 2032-07-28

Abstract

The application provides an oil-out check valve and HCU body, belongs to ABS braking system field. The oil outlet one-way valve comprises an oil outlet one-way valve base, a plug, an oil outlet elastic part and an oil outlet valve ball, a containing cavity and an oil outlet channel which are communicated with each other are formed in the oil outlet one-way valve base, the containing cavity is configured to be a roller pin which can contain a return spring of the HCU body and can contain the HCU body in a sliding mode, and an oil inlet hole communicated with the containing cavity is formed in the side wall of the oil outlet one-way valve base. The plug and the oil outlet one-way valve base are arranged in a split mode, and an oil outlet valve cavity corresponding to the oil outlet channel is concavely arranged at one end, close to the oil outlet one-way valve base, of the plug. The oil outlet elastic part is accommodated in the oil outlet valve cavity, and the oil outlet valve ball is abutted between the opening of the oil outlet channel and the oil outlet elastic part. The oil outlet one-way valve is applied to the HCU body, and the production difficulty and the cost of the HCU body can be reduced.

Description

Oil outlet one-way valve and HCU body

Technical Field

The application relates to the field of ABS (anti-lock brake system), in particular to an oil outlet one-way valve and an HCU (hydro-pneumatic unit) body.

Background

In the existing ABS braking system, two check valves are usually required to be configured on one HCU body, so that the HCU body is difficult to produce and high in cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides an oil-out check valve and HCU body can reduce the production degree of difficulty and the cost of HCU body.

The embodiment of the application is realized as follows:

in a first aspect, an embodiment of the present application provides an oil outlet check valve, including: an oil outlet one-way valve base, a plug, an oil outlet elastic part and an oil outlet valve ball.

The oil outlet one-way valve base comprises a base first end and a base second end which are opposite in the axial direction, a containing cavity and an oil outlet channel which are communicated with each other are formed in the oil outlet one-way valve base, the containing cavity penetrates through the end face of the base first end, the containing cavity is configured to contain a return spring of the HCU body and can contain a roller pin of the HCU body in a sliding mode, and the oil outlet channel penetrates through the end face of the base second end; the lateral wall of oil-out check valve base is equipped with and holds the inlet port of chamber intercommunication.

The plug and the oil outlet one-way valve base are arranged in a split mode, an oil outlet valve cavity corresponding to the oil outlet channel is concavely arranged at one end, close to the oil outlet one-way valve base, of the plug, and an oil outlet gap is formed between the end face of one end, close to the oil outlet one-way valve base, of the plug and the end face of the second end of the base.

The oil outlet elastic piece is accommodated in the oil outlet valve cavity.

The outlet valve ball is held between the opening of the outlet passage and the outlet elastic member.

In the technical scheme, the oil outlet one-way valve is used as a pump body structure of the HCU body, the oil inlet hole is configured to be communicated with the oil inlet one-way valve, and the accommodating cavity is configured to accommodate the return spring and the roller pin to regulate and control the opening and closing of the oil inlet hole; the oil outlet channel is matched with the oil outlet elastic part, the oil outlet valve ball and the plug to realize one-way oil outlet control. The plug and the oil outlet one-way valve base are arranged in a split mode, so that the oil outlet one-way valve can be conveniently and gradually installed in the HCU body in a split mode, and compared with the one-way valve integrally connected with the oil outlet, the production difficulty and cost of the HCU body can be reduced.

In some possible embodiments, one end of the plug close to the oil outlet one-way valve base is detachably connected with the second end of the base.

Among the above-mentioned technical scheme, end cap and oil-out check valve base can dismantle the connection for the installation of oil-out check valve at the HCU body is more convenient.

In some possible embodiments, the second end of the base is convexly provided with a connecting boss, one end, close to the oil outlet one-way valve base, of the plug is concavely provided with a connecting groove, and the connecting boss is detachably clamped in the connecting groove.

Among the above-mentioned technical scheme, end cap and oil-out check valve base adopt to connect boss and connecting groove to carry out the removable connection, and this connected mode is simple.

In some possible embodiments, the connection groove is an interference fit with the connection groove.

Among the above-mentioned technical scheme, interference fit's mode makes the removable connection of end cap and oil-out check valve base more reliable and stable.

In some possible embodiments, a tapered section is disposed at an end of the oil outlet channel close to the second end of the base, and the oil outlet valve ball abuts against an inner wall of the tapered section.

In the technical scheme, the oil outlet channel is provided with the conical section to abut against the oil outlet valve ball, so that the abutting part of the oil outlet valve ball and the conical section is in a tangent state, the two are stably matched when abutting against each other, the sealing effect is good, and the abrasion to the oil outlet valve ball is small.

In some possible embodiments, the oil outlet elastic member is a telescopic spring.

Among the above-mentioned technical scheme, dispose expanding spring as oil-out elastic component, simple structure, and can provide elastic force to oil-out valve ball steadily.

In a second aspect, an embodiment of the present application provides an HCU body, including: the base member, as provide like oil-out check valve, oil inlet check valve, return spring and the kingpin that embodiment provided above.

The oil outlet one-way valve base is connected with the base body.

The oil inlet one-way valve is connected with the base body, and the liquid outlet end of the oil inlet one-way valve is communicated with the oil inlet hole.

The return spring is positioned at one end of the containing cavity close to the oil outlet channel.

The needle roller is slidably accommodated in the accommodating cavity and abuts against the return spring.

In the technical scheme, the oil outlet adopts the split type oil outlet one-way valve in the embodiment, two integrally connected one-way valves do not need to be simultaneously configured in one HCU body, and the production difficulty and the cost of the HCU body can be reduced.

In some possible embodiments, the oil inlet check valve includes an oil inlet check valve base and an oil inlet check valve body which are matched with each other, and the oil inlet check valve base and the oil inlet check valve body are fixedly connected.

Among the above-mentioned technical scheme, oil inlet check valve base and the oil inlet check valve body fixed connection of oil inlet check valve, that is to say the oil inlet check valve disposes the form of integral connection, and structural integrity is good, the simple installation.

In some possible embodiments, the axial direction of the oil inlet check valve is perpendicular to the axial direction of the oil outlet check valve.

Among the above-mentioned technical scheme, the axial of oil inlet check valve is perpendicular with the axial of oil-out check valve, can reduce the holistic overall arrangement space of HCU body for HCU body compact structure, small.

In some possible embodiments, the HCU body further includes a sealing ring, a retaining ring and a guide gasket which are sleeved between the needle roller and the base body, and the sealing ring, the retaining ring and the guide gasket are sequentially arranged away from the oil outlet check valve along the axial direction of the needle roller.

Among the above-mentioned technical scheme, the leakproofness when making the kingpin move through setting up of sealing washer is good, and the orbit is stable when the setting up of guide washer makes the kingpin move, and setting up of retaining ring makes things convenient for setting up and separating of sealing washer and guide washer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an HCU body according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of an oil outlet check valve provided in an embodiment of the present application.

Icon: 1000-HCU body; 100-oil outlet one-way valve; 110-outlet check valve base; 111-a base first end; 112-a base second end; 113-a containment chamber; 114-an oil outlet channel; 115-oil inlet hole; 116-a connection boss; 120-plug; 121-oil outlet valve cavity; 122-a connecting groove; 130-outlet elastic member; 140-outlet valve ball; 150-oil outlet gap; 200-a substrate; 300-oil inlet check valve; 310-oil inlet check valve base; 320-oil inlet one-way valve body; 330-inlet valve ball; 340-oil inlet elastic member; 400-a return spring; 500-rolling needles; 600-sealing ring; 700-a retainer ring; 800-guide washer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the application are used, and are only used for convenience in describing the application 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 application.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "perpendicular", "parallel", and the like do not require that the components be absolutely perpendicular or parallel, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the current HCU body, both the oil inlet and the oil outlet need to be respectively provided with one check valve, that is, one HCU body usually needs to be provided with two check valves. However, due to the limitation of product size, the process requirement for simultaneously configuring two integrally connected check valves on one HCU body is high, which results in high difficulty and high cost in the production of the HCU body.

The inventor researches and discovers that the check valve at the oil outlet is designed in a split mode, when the HCU body is manufactured, only one integrally connected check valve needs to be manufactured at the oil inlet, the oil outlet is assembled in a split mode step by step to achieve configuration of the check valve, and production difficulty and cost of the HCU body can be reduced.

Based on this, this application embodiment provides a split type check valve for the oil-out, and applies it to HCU body. The application scene of the HCU body is mainly an ABS braking system, in particular to an ABS braking system of a motorcycle.

Some exemplary descriptions will be made below on the technical solution of the present application with reference to the accompanying drawings.

Referring to fig. 1 and 2, an HCU body 1000 includes a base 200, an oil outlet check valve 100, an oil inlet check valve 300, a return spring 400, and a needle roller 500.

The base body 200 is a main body of the HCU body 1000, and is used for mounting components such as the oil outlet check valve 100 and the oil inlet check valve 300, and the specific structure (for example, the shape and size of an internal mounting cavity) of the HCU body can be adaptively designed according to the components such as the oil outlet check valve 100 and the oil inlet check valve 300.

Outlet check valve base 110, plug 120, outlet elastic member 130 and outlet valve ball 140. An outlet check valve base 110 serves as a main body of the outlet check valve 100, and the outlet check valve base 110 is connected to the base 200.

Outlet check valve seat 110 includes axially opposed seat first and

second ends

111 and 112. An accommodating cavity 113 and an oil outlet channel 114 which are communicated with each other are formed in the oil outlet one-way valve base 110. The accommodating cavity 113 and the oil outlet passage 114 both extend along the axial direction of the oil outlet check valve 100, and are designed in a step shape, and the inner diameter of the accommodating cavity 113 is greater than that of the oil outlet passage 114.

The side wall of the outlet check valve base 110 is provided with an oil inlet hole 115 communicating with the accommodating chamber 113.

Correspondingly, the oil inlet check valve 300 is connected with the base 200, and the liquid outlet end of the oil inlet check valve 300 is communicated with the oil inlet hole 115. After entering from the inlet check valve 300, the fluid enters the accommodating chamber 113 from the oil inlet hole 115, and enters the oil outlet passage 114 from the accommodating chamber 113.

The receiving cavity 113 penetrates an end surface of the base first end 111, and the receiving cavity 113 is configured to receive the return spring 400 of the HCU body 1000 and to slidably receive the needle roller 500 of the HCU body 1000.

Correspondingly, the return spring 400 is located at one end of the accommodating cavity 113 close to the oil outlet channel 114, and one end of the return spring close to the oil outlet channel 114 abuts against a stepped surface at the boundary of the accommodating cavity 113 and the oil outlet channel 114. The needle roller 500 is slidably received in the receiving cavity 113 and abuts against the return spring 400, the needle roller 500 can reciprocate along the axial direction of the outlet check valve 100, wherein the needle roller 500 moves towards the outlet passage 114 under the action of external force to exceed the outlet so as to close the outlet, and the needle roller 500 is driven by the return spring 400 to return to open the outlet after the external force is lost.

The oil outlet passage 114 extends through the end surface of the second end 112 of the base. The plug 120 and the outlet check valve base 110 are arranged separately, the plug 120 is located on one side of the base second end 112 far away from the base first end 111, and the plug 120 and the base second end 112 are distributed side by side along the axial direction of the outlet check valve 100.

An oil outlet valve cavity 121 corresponding to the oil outlet passage 114 is concavely arranged at one end of the plug 120 close to the oil outlet one-way valve base 110, and an oil outlet gap 150 is formed between the end surface of one end of the plug 120 close to the oil outlet one-way valve base 110 and the end surface of the base second end 112.

The oil outlet elastic member 130 is accommodated in the oil outlet valve chamber 121. The outlet valve ball 140 is held between the opening of the outlet passage 114 and the outlet elastic member 130.

In an operating state, when the outlet check valve 100 is in an oil outlet state, the fluid in the oil outlet channel 114 flows in a direction toward the plug 120, and when the power of the fluid is greater than the action exerted by the outlet elastic member 130 on the outlet valve ball 140, the fluid flushes the outlet valve ball 140 from the opening of the oil outlet channel 114, and at this time, the fluid can discharge oil through the oil outlet gap 150; when the outlet check valve 100 is in the oil outlet state, the outlet valve ball 140 is pressed against the opening of the oil outlet passage 114 by the elastic force applied to the outlet valve ball 140 by the outlet elastic member 130.

According to the oil outlet one-way valve 100 provided by the application, the plug 120 and the oil outlet one-way valve base 110 are arranged in a split manner, so that the oil outlet one-way valve 100 can be conveniently and gradually installed in the HCU body 1000 in a split manner. On the basis of the design, compared with the mode that the oil outlet is provided with the one-way valve which is integrally connected, and the inlet and the outlet of the oil outlet pump are provided with the one-way valve which is integrally connected, the production difficulty and the cost of the HCU body 1000 can be reduced.

It should be noted that, in the present application, the two structures are separately arranged, which means that the two structures may be separated from each other, may not be connected to each other, and may also be detachably connected to each other. Correspondingly, in the application, one large component is integrally connected or two structures are integrally connected, which means that the large component is fixedly connected and cannot be detached.

In some possible embodiments, the end of the plug 120 near the outlet check valve base 110 is detachably connected to the base second end 112.

In the design, the plug 120 is detachably connected with the oil outlet one-way valve base 110, so that the oil outlet one-way valve 100 is more conveniently installed on the HCU body 1000.

It is understood that the detachable connection is not limited, such as but not limited to, a snap fit, a fastening connection, etc.

Illustratively, the second end 112 of the base is convexly provided with a connecting boss 116, one end of the plug 120 close to the oil outlet check valve base 110 is concavely provided with a connecting groove 122, and the connecting boss 116 is detachably clamped in the connecting groove 122.

In the design, the plug 120 and the oil outlet one-way valve base 110 are detachably connected by the connecting boss 116 and the connecting groove 122, and the connecting mode is simple.

Further, the connecting groove 122 is in interference fit with the connecting groove 122, so that the detachable connection between the plug 120 and the oil outlet check valve base 110 is more stable and reliable.

In the present application, the arrangement of the oil outlet channel 114, the oil outlet valve ball 140 and the oil outlet elastic member 130 is not limited, and may be designed in a conventional manner.

As an example, the oil outlet channel 114 is provided with a tapered section at an end thereof near the second end 112 of the base, and the oil outlet valve ball 140 abuts against the inner wall of the tapered section.

In the design, the oil outlet passage 114 is provided with a conical section to abut against the oil outlet valve ball 140, so that the abutting part of the oil outlet valve ball 140 and the conical section is in a tangent state, and the two are stable in matching, good in sealing effect and small in abrasion to the oil outlet valve ball 140 when abutting against each other.

As an example, the outlet valve ball 140 is a steel ball, which has better corrosion resistance.

As an example, the outlet elastic member 130 is a telescopic spring, which has a simple structure and can stably provide an elastic force to the outlet valve ball 140.

In order to better perform the compact layout of the oil inlet check valve 300 and the oil outlet check valve 100, in some possible embodiments, the axial direction of the oil inlet check valve 300 is perpendicular to the axial direction of the oil outlet check valve 100, so that the overall layout space of the HCU body 1000 can be reduced, and the HCU body 1000 has a compact structure and a small volume.

In this application, the configuration of the oil inlet check valve 300 is not limited, and as an example, the oil inlet check valve 300 includes an oil inlet check valve base 310 and an oil inlet check valve body 320, which are engaged with each other, and the oil inlet check valve base 310 and the oil inlet check valve body 320 are fixedly connected.

In the design, the oil inlet check valve base 310 of the oil inlet check valve 300 is fixedly connected with the oil inlet check valve body 320, that is, the oil inlet check valve 300 is configured in an integrally connected mode, so that the structure integrity is good, and the installation is simple and convenient.

It will be appreciated that the inlet check valve base 310 and the inlet check valve body 320 may be configured in a conventional manner, and that the inlet check valve 300 may further include an inlet valve ball 330 (e.g., a steel ball), an inlet spring 340 (e.g., a compression spring), etc., according to conventional designs.

In the present application, the HCU body 1000 may also be designed with other functional structures as needed.

Illustratively, the HCU body 1000 further includes a sealing ring 600, a retaining ring 700 and a guiding washer 800, which are disposed between the roller pins 500 and the base 200, that is, the sealing ring 600, the retaining ring 700 and the guiding washer 800 are disposed on the outer wall of the roller pins 500, respectively, and the sealing ring 600, the retaining ring 700 and the guiding washer 800 are disposed inside the base 200, respectively.

The sealing ring 600, the retainer ring 700 and the guide washer 800 are sequentially arranged far away from the outlet check valve 100 along the axial direction of the roller needle 500, that is, the retainer ring 700 is positioned between the sealing ring 600 and the guide washer 800, the sealing ring 600 is positioned at the position closest to the outlet check valve 100, and the guide washer 800 is positioned at the position farthest from the outlet check valve 100.

In the above design, the sealing performance is good when the needle roller 500 moves due to the arrangement of the sealing ring 600, the track is stable when the needle roller 500 moves due to the arrangement of the guide gasket 800, and the arrangement and separation of the sealing ring 600 and the guide gasket 800 are convenient due to the arrangement of the retainer ring 700.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An oil outlet check valve, comprising:

the oil outlet check valve comprises an oil outlet check valve base, wherein the oil outlet check valve base comprises a base first end and a base second end which are opposite in the axial direction, a containing cavity and an oil outlet channel which are communicated with each other are formed in the oil outlet check valve base, the containing cavity penetrates through the end face of the base first end, the containing cavity is configured to be capable of containing a return spring of the HCU body and slidably containing a roller pin of the HCU body, and the oil outlet channel penetrates through the end face of the base second end; an oil inlet hole communicated with the accommodating cavity is formed in the side wall of the oil outlet one-way valve base;

the plug and the oil outlet one-way valve base are arranged in a split mode, an oil outlet valve cavity corresponding to the oil outlet channel is concavely arranged at one end, close to the oil outlet one-way valve base, of the plug, and an oil outlet gap is formed between the end face of one end, close to the oil outlet one-way valve base, of the plug and the end face of the second end of the base;

the oil outlet elastic piece is accommodated in the oil outlet valve cavity; and

the oil outlet valve ball is abutted between the opening of the oil outlet channel and the oil outlet elastic piece.

2. The oil outlet check valve of claim 1, wherein an end of said bulkhead adjacent said oil outlet check valve base is removably connected to said base second end.

3. An oil outlet check valve as defined in claim 2, wherein a connecting boss is convexly provided at the second end of said base, a connecting groove is concavely provided at one end of said plug close to said oil outlet check valve base, and said connecting boss is detachably engaged in said connecting groove.

4. An oil outlet check valve as defined in claim 3, wherein said connection groove is an interference fit with said connection groove.

5. An oil outlet one-way valve according to any one of claims 1 to 4, wherein a tapered section is provided at an end of said oil outlet channel close to said second end of said base, and said oil outlet valve ball abuts against an inner wall of said tapered section.

6. An oil outlet check valve according to any one of claims 1 to 4, wherein said oil outlet resilient member is a telescopic spring.

7. An HCU body, comprising:

a base;

the outlet check valve of any one of claims 1 to 6, said outlet check valve seat being connected to said base;

the oil inlet one-way valve is connected with the base body, and the liquid outlet end of the oil inlet one-way valve is communicated with the oil inlet;

the return spring is positioned at one end, close to the oil outlet channel, in the accommodating cavity; and

the needle roller can be slidably accommodated in the accommodating cavity and abuts against the return spring.

8. The HCU body of claim 7, wherein the inlet check valve comprises an inlet check valve base and an inlet check valve body that mate with each other, the inlet check valve base and the inlet check valve body being fixedly connected.

9. The HCU body of claim 7 or 8, wherein an axial direction of the oil inlet check valve is perpendicular to an axial direction of the oil outlet check valve.

10. The HCU body as claimed in claim 7, further comprising a seal ring, a retainer ring and a guide washer sleeved between the needle roller and the base, wherein the seal ring, the retainer ring and the guide washer are sequentially arranged away from the outlet check valve along the axial direction of the needle roller.