CN221547134U

CN221547134U - Valve housing part

Info

Publication number: CN221547134U
Application number: CN202420054797.2U
Authority: CN
Inventors: 邓虎
Original assignee: Ningbo Fande Precision Technology Co ltd
Current assignee: Ningbo Fande Precision Technology Co ltd
Priority date: 2024-01-10
Filing date: 2024-01-10
Publication date: 2024-08-16
Anticipated expiration: 2034-01-10

Abstract

The utility model relates to the field of EGR valves, in particular to a valve housing part, which comprises an EGR valve housing, wherein a cooling box is sleeved and welded on the back surface of the bottom of the EGR valve housing, a sealing gasket is stuck on the upper surface of an upper outer ring of the upper part of the EGR valve housing, a main cavity is formed in the upper part of the EGR valve housing, one side of the main cavity is communicated with a secondary cavity, a connector is arranged at the bottom of the EGR valve housing, and a plurality of connecting columns are uniformly arranged on the back surface of the bottom of the EGR valve housing and around the connector. According to the utility model, the outer shells at the main cavity and the auxiliary cavity are spherical shells, so that the EGR valve has good structural stability, high strength and rigidity, the whole service life of the EGR valve can be prolonged, and cooling liquid is discharged into the cooling box, so that the EGR valve housing can be cooled effectively, heat in the main cavity and the auxiliary cavity is conducted out, a good cooling effect is achieved, and meanwhile, the cooling liquid can be discharged out quickly through the liquid outlet pipeline with the liquid outlet downwards for replacement.

Description

Valve housing part

Technical Field

The utility model relates to the technical field of EGR valves, in particular to a valve housing part.

Background

The EGR valve is an EGR system of the vehicle, the EGR system is a system which is very important for the operation of the engine, and the EGR valve can monitor the flow of the exhaust gas when the engine is in operation, so that the flow is fed back to a driving computer to make correct control, and the vehicle can normally operate.

And when the EGR valve is manufactured, the design of the shell is extremely important, most of the EGR valve shells are simple in structure and low in manufacturing cost, so that the strength of the EGR valve shells is low, and when most of tail gas is discharged into the EGR valve for recycling, the EGR valve is easy to generate heat due to the high temperature generated during the operation of parts, so that the service life of internal parts is reduced, and the strength of some EGR valve shells is low due to the simple structure of the EGR valve shells, so that the service life of the EGR valve shells is short.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a valve housing part.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a valve case part, includes the EGR valve case, the welded fastening has the cooler bin is established to EGR valve case bottom back cover, and outer lane upper surface pastes on EGR valve case upper portion has been equipped with sealed the pad, and main cavity has been seted up on EGR valve case upper portion, and vice cavity has been seted up in main cavity one side intercommunication, and EGR valve case bottom is provided with the connector, and EGR valve case bottom back just is located the connector evenly and is provided with a plurality of spliced poles all around.

In addition, the outer shell at the main cavity is in a spherical shell shape, the outer shell at the auxiliary cavity is in a spherical shell shape, and the volume of the main cavity is larger than that of the auxiliary cavity.

In addition, the preferred structure is, the through-hole has been seted up to vertical lining up on the connector, is provided with O type sealing rubber circle on the connector through-hole bottom inner wall, has seted up the mounting hole on the spliced pole.

In addition, the preferred structure is, the cooling tank includes the cooling tank casing, and the welding is established in the outside of EGR valve housing bottom shell to the cooling tank casing cover, forms sealed cavity between cooling tank casing and the EGR valve housing, and cooling tank casing lateral wall one side upper portion connection is provided with the feed liquor pipeline, and the feed liquor pipeline below corresponds and is provided with the drain pipe.

In addition, the preferred structure is, in feed liquor pipeline and the play liquid pipeline intercommunication business turn over cooling tank casing cavity, the feed liquor pipeline inlet sets up, and the play liquid pipeline liquid outlet sets up down.

In addition, preferably, a gasket groove is formed in the top surface of the upper part of the EGR valve housing, and a gasket is provided in the gasket groove.

The beneficial effects of the utility model are as follows: through setting up main cavity and vice cavity department outside casing into spherical shell shape casing, make it have good structural stability, have higher intensity and rigidity, can prolong the holistic life-span of EGR valve, with the coolant liquid discharge into the cooler bin that sets up for the EGR valve casing can obtain effectual cooling, thereby with heat conduction in main cavity and the vice cavity come out, play good cooling effect, the quick discharge coolant liquid of liquid outlet decurrent drain line is changed simultaneously.

Drawings

FIG. 1 is an isometric view of a valve housing part according to the present utility model;

FIG. 2 is an isometric view of the back of the EGR valve housing;

FIG. 3 is an isometric view of the EGR valve housing separated from the cooling tank;

FIG. 4 is an isometric view of the gasket separated from the EGR valve housing;

Fig. 5 is an isometric view of the cooling box.

In the figure: the device comprises a valve housing of an EGR valve, a sealing gasket 2, a cooling box 3, a liquid inlet pipe 31, a liquid outlet pipe 32, a cooling box housing 33, a connector 4, a main cavity 5, an auxiliary cavity 6, a sealing rubber ring 7O, a connecting column 8 and a sealing gasket groove 9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a valve housing part comprises an EGR valve housing 1, a cooling box 3 is sleeved and welded on the back surface of the bottom of the EGR valve housing 1, a sealing gasket 2 is attached to the upper surface of an outer ring on the upper part of the EGR valve housing 1, a main cavity 5 is formed in the upper part of the EGR valve housing 1, an auxiliary cavity 6 is formed in one side of the main cavity 5 in a communicating mode, a connector 4 is arranged at the bottom of the EGR valve housing 1, and a plurality of connecting columns 8 are uniformly arranged on the back surface of the bottom of the EGR valve housing 1 and located around the connector 4.

Wherein, main cavity 5 department outside casing is spherical shell shape, and vice cavity 6 department outside casing is spherical shell shape, and main cavity 5 volume is greater than vice cavity 6 volumes, and main cavity 5 and the spherical shell shape casing that the outside of vice cavity 6 department set up have good structural stability, have higher intensity and rigidity, can prolong the holistic life-span of EGR valve.

In addition, the through hole is vertically and completely arranged on the connector 4, the O-shaped sealing rubber ring 7 is arranged on the inner wall of the bottom of the through hole of the connector 4, the mounting hole is arranged on the connecting column 8, and when the O-shaped sealing rubber ring 7 is convenient for mounting parts, the sealing effect of a vacuum cavity formed after the upper end of the EGR valve housing 1 is mounted with the upper housing is better.

Moreover, cooling tank 3 includes cooling tank casing 33, cooling tank casing 33 cover is established and is welded outside EGR valve casing 1 bottom shell, form sealed cavity between cooling tank casing 33 and the EGR valve casing 1, cooling tank casing 33 lateral wall one side upper portion is connected and is provided with feed liquor pipeline 31, the feed liquor pipeline 31 below is provided with drain pipe 32 correspondingly, feed liquor pipeline 31 and drain pipe 32 intercommunication are in cooling tank casing 33 cavity, the feed liquor inlet of feed liquor pipeline 31 sets up to up, the drain liquor outlet of drain pipe 32 sets up down, be convenient for discharge the coolant liquid into the sealed cavity between cooling tank casing 33 and the EGR valve casing 1 through feed liquor pipeline 31, thereby carry out the efficient cooling to EGR valve casing 1.

Simultaneously, the sealing gasket groove 9 is formed in the top end surface of the upper portion of the EGR valve housing 1, the sealing gasket 2 is arranged in the sealing gasket groove 9, and the sealing gasket 2 can improve the sealing performance of the joint when the upper portion of the EGR valve housing 1 is connected with other housings.

In the present embodiment, when the EGR valve is mounted, the EGR valve housing 1 can be used when the housing at the bottom of the vacuum chamber is mounted, and first, the EGR valve housing 1 is integrally molded by a mold, so that the mold processing molding is easier in such a structural design, and the productivity is improved. The main cavity 5 is used for mainly installing driving parts, the auxiliary cavity 6 is used for installing auxiliary parts, the spherical shell-shaped shell arranged outside the main cavity 5 and the auxiliary cavity 6 has good structural stability, has higher strength and rigidity, and can prolong the service life of the whole EGR valve.

The connector 4 is used for the passage of the valve rod of the poppet valve assembly, and the valve rod moves up and down at the connector, and the O-shaped sealing rubber ring 7 can ensure the vacuum property of the upper vacuum cavity when the valve rod moves up and down, so that tail gas is prevented from leaking into the main cavity 5 from the connector.

Moreover, a cooling box shell 33 can be welded on the back shell of the formed EGR valve shell 1, and then cooling liquid is discharged into the cooling box shell by opening a liquid inlet with a pipeline 31, so that the EGR valve shell 1 can be effectively cooled, heat in the main cavity 5 and the auxiliary cavity 6 is conducted out, a good cooling effect is achieved, and meanwhile, the cooling liquid can be rapidly discharged through a liquid outlet pipeline 32 with a downward liquid outlet for replacement.

Meanwhile, when the upper part of the EGR valve housing 1 is connected and installed with other housings, the sealing performance of the connecting part is improved, and the connecting column 8 is convenient for connecting and installing the bottom of the EGR valve housing 1 with other parts.

According to the utility model, the outer shells at the positions of the main cavity 5 and the auxiliary cavity 6 are spherical shell-shaped shells, so that the spherical shell-shaped shells have good structural stability and high strength and rigidity, the service life of the whole EGR valve can be prolonged, and cooling liquid is discharged into the cooling box 3, so that the EGR valve housing 1 can be effectively cooled, heat in the main cavity 5 and the auxiliary cavity 6 is conducted out, a good cooling effect is achieved, and meanwhile, the cooling liquid can be rapidly discharged through the liquid outlet pipeline 32 with the liquid outlet downwards for replacement.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a valve case part, includes EGR valve case (1), its characterized in that, EGR valve case (1) casing bottom back cover is established welded fastening and is had cooler bin (3), and outer lane upper surface subsides are equipped with sealed pad (2) on EGR valve case (1) casing upper portion, and main cavity (5) have been seted up on EGR valve case (1) upper portion, and auxiliary cavity (6) have been seted up in main cavity (5) one side intercommunication, and EGR valve case (1) bottom is provided with connector (4), and EGR valve case (1) bottom back just is located evenly be provided with a plurality of spliced pole (8) around connector (4).

2. A valve housing part according to claim 1, characterized in that the outer housing at the main cavity (5) is spherical and the outer housing at the auxiliary cavity (6) is spherical, the main cavity (5) having a larger volume than the auxiliary cavity (6).

3. The valve housing part according to claim 1, wherein the connecting head (4) is vertically provided with a through hole, an O-shaped sealing rubber ring (7) is arranged on the inner wall of the bottom of the through hole of the connecting head (4), and the connecting column (8) is provided with a mounting hole.

4. The valve housing part according to claim 1, wherein the cooling tank (3) comprises a cooling tank housing (33), the cooling tank housing (33) is sleeved and welded outside the bottom end housing of the EGR valve housing (1), a sealing cavity is formed between the cooling tank housing (33) and the EGR valve housing (1), a liquid inlet pipeline (31) is connected to the upper part of one side of the side wall of the cooling tank housing (33), and a liquid outlet pipeline (32) is correspondingly arranged below the liquid inlet pipeline (31).

5. A valve housing part according to claim 4, characterized in that the liquid inlet pipe (31) is connected to the liquid outlet pipe (32) and is arranged in the cavity of the cooling box housing (33), the liquid inlet of the liquid inlet pipe (31) is arranged upwards, and the liquid outlet of the liquid outlet pipe (32) is arranged downwards.

6. The valve housing part according to claim 1, characterized in that the upper top surface of the EGR valve housing (1) is provided with a gasket groove (9), and that the gasket groove (9) is provided with a gasket (2).