CN221003954U - Exhaust assembly and control box applying same - Google Patents

Abstract

The application discloses an exhaust assembly and a control box using the same, which relate to the technical field of air path control and are used for preventing dust at an exhaust port of the control box. The application provides an exhaust assembly with reliable use and good dustproof effect and a control box using the exhaust assembly.

Description

Exhaust assembly and control box applying same

Technical Field

The application relates to the technical field of gas path control, in particular to an exhaust assembly and a control box using the same.

Background

At present, a wheel type off-road vehicle has complex and polygonal running pavement, and if the vehicle has proper air pressure on tires under different pavement conditions, the maneuverability, off-road maneuverability and throughput of the vehicle can be effectively improved. Therefore, it is required that the tire air pressure can be adjusted at any time during the running of the vehicle to achieve the optimum tire air pressure value.

The existing off-road vehicle wheel air pressure control generally realizes synchronous control of a plurality of tires through a control box, and as disclosed in China patent publication No. CN201961110U, the control box comprises an upper cover, an exhaust port, an interface, a box base, a box wall plate, an electromagnetic reversing valve, an electromagnetic valve and a socket; the reversing valve base, the connector and the box base and the upper cover of the air channel form an integrated valve block; the electromagnetic reversing valve and the electromagnetic valve are arranged on the base of the box body and connected into a whole, and the electromagnetic valve is arranged on the upper cover and connected into a whole; the wall plate of the box body is arranged on the base of the box body; the exhaust port is connected with the gas path channel of the integrated valve block; the socket is arranged on the wall plate of the box body and is connected with the low-temperature constant-interruption electromagnetic reversing valve and the electromagnetic valve coil through wires.

The aim of miniaturizing the control valve is fulfilled by integrating all pipelines of the circuit, but the exhaust port of the control valve is directly communicated with the internal gas circuit; the use environment of the off-road vehicle is relatively bad, dust and sundries can enter an internal gas path through the exhaust port to be blocked or attached to the sealing surface of the valve core, so that the condition of poor sealing occurs.

Disclosure of Invention

The application aims to provide an exhaust assembly and a control box using the same, which are characterized in that an exhaust port is plugged by using an elastically arranged sealing seat, and when the exhaust is carried out, the sealing seat can be propped open by air pressure to realize the exhaust, so that dust and sundries are effectively prevented from entering an internal air path.

According to the embodiment of the application, the exhaust assembly is used for preventing dust of an exhaust port of a control box and comprises a support sleeve connected with the control box, an end cover is arranged on the outer side of the support sleeve, ventilation holes are formed in the end cover, and a sealing seat for sealing the exhaust port is elastically arranged on the end cover.

According to one aspect of the embodiment of the application, the elastic piece is installed on the end cover, and the connecting column used for being connected with the elastic piece is arranged on the sealing seat.

According to one aspect of the embodiment of the application, the end cover is inserted and provided with a limit post, the limit post is clamped with the elastic piece at one side of the end seat, and the limit post is connected with a nut in locking fit with the end cover through threads.

According to one aspect of the embodiment of the application, the end cover is connected with an adjusting rod in a threaded manner, a buckle is formed at one end of the adjusting rod extending into the end cover, and the elastic piece is in clamping fit with the buckle.

According to one aspect of the embodiment of the application, the sealing seat is provided with a guide sleeve which is used for extending into the exhaust port, the guide sleeve is provided with a gas passing hole, and the sealing seat outside the guide sleeve is provided with a sealing ring.

According to one aspect of the embodiment of the application, the outer part of the end cover is of a polygonal structure.

On the other hand, the embodiment of the application provides a control box, which comprises the exhaust assembly and further comprises a control box main body, wherein the support sleeve is in threaded connection with an exhaust port of the control box main body, and a sealing table which is tightly abutted and sealed with a sealing seat is formed on the inner side of the exhaust port.

In summary, the beneficial technical effects of the application are as follows:

The elastic piece provides pretightening force for the sealing seat, so that the exhaust port can be plugged when exhaust is not needed, and dust is prevented from entering; when the exhaust is needed, the exhaust body is propped open to seal the plug, so that the exhaust can be performed, and dust cannot enter the exhaust port, so that the cleanliness of an internal gas path can be effectively ensured, and the use reliability of the control box is ensured.

Drawings

FIG. 1 is an isometric view of the overall structure of an exhaust assembly according to one embodiment of the present application;

FIG. 2 is an exploded view of an exhaust assembly according to one embodiment of the present application;

FIG. 3 is an exploded view of a vent assembly according to another embodiment of the application;

FIG. 4 is a schematic isometric view of the overall structure of a control box according to another embodiment of the present application;

FIG. 5 is a partial schematic view of the overall structure of a control box according to another embodiment of the present application.

Reference numerals: 1. a support sleeve; 2. an end cap; 3. ventilation holes; 4. a sealing seat; 5. an elastic member; 6. a connecting column; 7. guide sleeve; 8. air passing holes; 9. a seal ring; 10. a limit column; 11. a nut; 12. an adjusting rod; 13. a buckle; 14. a control box main body; 15. an exhaust port; 16. and a sealing table.

Detailed Description

Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the particular embodiments described herein are meant to be illustrative of the application only and not limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the application by showing examples of the application.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

The term "plurality" as used herein refers to two or more (including two).

In one aspect, an exhaust assembly according to an embodiment of the present application is described in detail below in conjunction with fig. 1-3.

Referring to fig. 1 and 2, an exhaust assembly for a control box exhaust port 15 is dustproof, and comprises a support sleeve 1 connected with the control box, wherein the support sleeve 1 is of a circular tubular structure, one end of the support sleeve 1 is integrally formed with an end cover 2, the end cover 2 can be of a polygonal column structure, and a plurality of ventilation holes 3 are uniformly formed in the end cover 2 at intervals around the axis direction of the support sleeve 1. And the end cover 2 is also elastically provided with a sealing seat 4 for sealing the exhaust port 15.

In some embodiments, the elastic member 5 is disposed in the end cover 2 in an abutting manner, the elastic member 5 is preferably made of a spring, and the connecting post 6 for connecting with the elastic member 5 is formed on the sealing seat 4, wherein the connecting post 6 is sleeved and clamped with the end, away from the end seat, of the elastic member 5. And the sealing seat 4 is also provided with a guide sleeve 7 which is used for extending into the exhaust port 15 so as to ensure the moving stability of the sealing seat 4, a plurality of air passing holes 8 for exhausting are uniformly formed at intervals on the periphery side of the guide sleeve 7, and a sealing ring 9 is fixedly clamped on the sealing seat 4 on the outer side of the guide sleeve 7.

In other embodiments, the end cover 2 is inserted and provided with a limiting post 10 clamped with one end of the elastic member 5 near the end seat, and a nut 11 in tight fit with the end cover 2 is screwed on one side of the limiting post 10 extending out of the end cover 2. The limit of the elastic piece 5 can be further achieved by utilizing the limit column 10, and the clamping installation of the sealing seat 4 is convenient for workers.

Referring to fig. 3, in other embodiments, the end cover 2 is screwed with an adjusting rod 12, where the adjusting rod 12 can adjust the distance extending into the supporting sleeve 1, and one end of the adjusting rod 12 extending into the end cover 2 is formed with a buckle 13, and one end of the elastic member 5, which is close to the end cover 2, is clamped and arranged on the buckle 13. The position of the elastic piece 5 is adjusted by the adjusting rod 12, so that the pretightening force of the sealing seat 4 can be further adjusted, and the sealing seat 4 is ensured to always keep a good sealing effect.

On the other hand, a control box according to an embodiment of the present application will be described in detail with reference to fig. 4 and 5.

Referring to fig. 4 and 5, a control box comprises the above-mentioned exhaust assembly, and further comprises a control box main body 14, wherein the support sleeve 1 is in threaded connection with an exhaust port 15 of the control box main body 14, a sealing table 16 tightly abutted and sealed with the sealing seat 4 is formed on the inner side of the exhaust port 15, the sealing table 16 corresponds to a sealing ring 9 on the sealing seat 4, and a guide sleeve 7 on the sealing seat 4 extends into the exhaust port 15.

In the embodiment, the support sleeve 1 fixedly sets the exhaust component at the exhaust port 15 of the control box, and the elastic piece 5 presses the sealing seat 4 on the sealing table 16, so that the sealing treatment at the exhaust port 15 is realized; when the exhaust is needed, the exhaust gas pushes up the sealing seat 4 and is exhausted from the air passing holes 8 of the guide sleeve 7, and is further completely exhausted through the air holes 3 on the end cover 2; when the gas is exhausted, the sealing seat 4 is restored under the action of the elastic piece 5. Thereby effectively ensuring the isolation between the inside of the exhaust port 15 and the outside dust and ensuring the stable operation of the control box.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. All equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (7)

1. An exhaust assembly for dust protection at a control box exhaust port (15), characterized in that: including being used for with the support cover (1) that the control box is connected, support cover (1) outside is provided with end cover (2), the shaping has bleeder vent (3) on end cover (2), still elasticity sets up on end cover (2) be used for with sealing seat (4) of gas vent (15) shutoff.

2. An exhaust assembly according to claim 1, wherein: an elastic piece (5) is arranged on the end cover (2), and a connecting column (6) used for being connected with the elastic piece (5) is arranged on the sealing seat (4).

3. An exhaust assembly according to claim 2, wherein: the end cover (2) is inserted and connected with a limiting column (10), the limiting column (10) and the elastic piece (5) are clamped on one side of the end seat, and a nut (11) which is in locking fit with the end cover (2) is connected to the limiting column (10) in a threaded mode.

4. An exhaust assembly according to claim 2, wherein: the end cover (2) is connected with an adjusting rod (12) in a threaded mode, a buckle (13) is formed at one end, extending into the end cover (2), of the adjusting rod (12), and the elastic piece (5) is in clamping fit with the buckle (13).

5. An exhaust assembly according to claim 1, wherein: the sealing seat (4) is provided with a guide sleeve (7) which is used for extending into the exhaust port (15), the guide sleeve (7) is provided with an air passing hole (8), and the sealing seat (4) at the outer side of the guide sleeve (7) is provided with a sealing ring (9).

6. An exhaust assembly according to claim 5, wherein: the outside of the end cover (2) is of a polygonal structure.

7. A control box comprising the exhaust assembly of any one of claims 1-6, characterized in that: the control box further comprises a control box main body (14), the support sleeve (1) is in threaded connection with an exhaust port (15) of the control box main body (14), and a sealing table (16) which is tightly abutted and sealed with the sealing seat (4) is formed on the inner side of the exhaust port (15).