CN217272106U - Integral pressure stabilizing valve group - Google Patents

Abstract

The utility model discloses an integral steady voltage valves, which comprises a body, the back pressure valve, ball valve and two needle valves, the body lateral part is equipped with air inlet and two gas outlets, the body upside is equipped with the back pressure valve mounting hole, ball valve mounting hole and two needle valve mounting holes, each valve seal mounting is at corresponding mounting hole, this internal first passageway of connecting air inlet and back pressure valve mounting hole that is equipped with, the second passageway of connecting back pressure valve mounting hole and a gas outlet, the third passageway of connecting ball valve mounting hole and another gas outlet, and the fourth passageway of connecting second passageway and third passageway, first passageway and ball valve mounting hole intercommunication, two needle valve mounting holes are located second passageway and third passageway respectively. Compared with the pressure stabilizing valve group in the prior art, the pressure stabilizing valve group has the characteristics of small occupied space, low cost, less leakage points and no need of assembly.

Description

An integral pressure regulator valve group

technical field

The utility model relates to the technical field of valves, in particular to an integral pressure-stabilizing valve group.

Background technique

The pressure-stabilizing valve group consists of a filter, a back-pressure valve, a ball valve, a needle valve, a tee, a joint, a pressure pipe, etc.; the filter is in front; the back-pressure valve can maintain the required pressure of the pipeline pressure) Because it is difficult to adjust the back pressure valve, under normal circumstances, the back pressure valve will not be moved after adjusting the back pressure valve; when the pressure is released, open the ball valve on the bypass to vent; there are two Needle valve is used to adjust the flow size, that is, flow distribution.

The existing pressure-stabilizing valve group has the following disadvantages: the filter, the back pressure valve, the ball valve, and the needle valve are connected by joints and pressure pipes. When there is a bypass, a tee is required, a combination of multiple parts, many leakage points, and sealing points. After the valve group is formed, it takes up a lot of space; using multiple tees, joints, pressure pipes and other parts, the cost is high; before use or installation, it needs to be assembled, and leak detection is required after assembly.

Utility model content

Therefore, the utility model provides an integral pressure-stabilizing valve group to solve the technical problems of the existing pressure-stabilizing valve group with many leakage points, large space occupation, high cost, and need for assembly and leak detection.

In order to achieve the above object, the utility model provides the following technical solutions:

An integral pressure-stabilizing valve group includes a main body, a back pressure valve, a ball valve and two needle valves. The side part of the main body is provided with an air inlet and two air outlets, and the upper side of the main body is provided with a back pressure valve installation hole and a ball valve installation hole. hole and two needle valve installation holes, the back pressure valve seal is installed in the back pressure valve installation hole, the ball valve seal is installed in the ball valve installation hole, the two needle valves are sealed and installed in the two needle valve installation holes, and the body is provided with a connection inlet. The first channel connecting the air port and the back pressure valve mounting hole, the second channel connecting the back pressure valve mounting hole and one air outlet, the third channel connecting the ball valve mounting hole and the other air outlet, and the second channel and the third channel In the fourth channel of the channel, the first channel is communicated with the ball valve mounting hole, and the two needle valve mounting holes are respectively located on the second channel and the third channel, wherein the communication points between the fourth channel and the second channel and the third channel are respectively located on the back. Between the pressure valve mounting hole and the needle valve mounting hole, and between the ball valve mounting hole and the needle valve mounting hole.

Further, the side part of the main body also has a first process hole left when the first channel is processed, a second process hole left when the second channel is processed, a third process hole left when the third channel is processed, and a fourth channel. The fourth process hole left over from time to time.

Further, blind plugs are sealed and installed at each process hole.

Further, an air inlet interface is sealed and installed at the air inlet, and an air outlet joint is sealed and installed at the two air outlets.

Further, a valve handle or a valve wheel is installed on the top of each valve.

The utility model has the following advantages:

The integral pressure-stabilizing valve group provided by the utility model has the same effect as the pressure-stabilizing valve group in the prior art, but compared with it, it occupies a smaller space; it does not need to be assembled and leaked in use when it is used; The tee and some joints are eliminated, which reduces the cost, reduces the leakage points, and reduces the workload of leak detection.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, other implementation drawings can also be derived from the provided drawings without any creative effort.

The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions that the present invention can be implemented. The technical substantive significance, the modification of any structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope disclosed in the present utility model. within the scope of technical content.

1 is a schematic diagram of an integral pressure-stabilizing valve group provided by an embodiment of the present utility model;

Fig. 2 is the sectional view of A-A in Fig. 1;

Fig. 3 is the sectional view of B-B in Fig. 1;

4 is a schematic diagram of the gas flow direction when an integral pressure-stabilizing valve group is used according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of the gas flow direction when an integral pressure-stabilizing valve group is released according to an embodiment of the present invention.

In the figure: 1-Body, 2-Back pressure valve, 3-Ball valve, 4-Needle valve, 5-Blind plug, 6-Inlet connector, 7-Outlet connector, 8-First channel, 9-Second channel, 10-Third channel, 11-Fourth channel, 12-Filter.

Detailed ways

The embodiments of the present invention will be described below by specific specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are of the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Terms such as "upper", "lower", "left", "right", "middle", etc. quoted in this specification are only for the convenience of description and clarity, and are not used to limit the scope of the present invention. , the change or adjustment of the relative relationship, without substantial change of the technical content, should also be regarded as the scope of the present invention.

As shown in Figures 1 to 3, the present embodiment provides an integral pressure-stabilizing valve group, including a body 1, a back pressure valve 2, a ball valve 3, two needle valves 4, four blind plugs 5, and an air inlet connector 6 and two outlet connectors 7. The main body 1 has a rectangular parallelepiped shape, and other shapes may also be used. Taking Fig. 1 as an example, an air inlet is provided at the front position on the left side of the main body 1, and an air inlet joint 6 is sealed and installed at the air inlet. The end of the filter 12 is in contact with the filter 12, so that the filter 12 is limited to the step of the air inlet (the air inlet is the step hole with the outer large and the inner small); the right side of the main body 1 is provided with two spaced air outlets, The two air outlets are respectively sealed and installed with air outlet joints 7; the three joints are all common joints on the market, which are convenient for connection with other pipes. The upper side of the main body 1 is provided with almost rectangular distribution of back pressure valve installation holes, ball valve installation holes and two needle valve installation holes, each installation hole is matched with the valve core of the corresponding valve, and each valve is installed in the corresponding valve. On the installation holes, that is: the back pressure valve 2 is sealed and installed in the back pressure valve installation hole, the ball valve 3 is sealed and installed in the ball valve installation hole, and the two needle valves 4 are sealed and installed in the two needle valve installation holes respectively; the top of each valve is installed on the With valve handle or valve wheel. The body 1 is provided with a first channel 8 connecting the air inlet and the back pressure valve mounting hole, a second channel 9 connecting the back pressure valve mounting hole and one air outlet, and a third channel connecting the ball valve mounting hole and another air outlet. 10, and the fourth channel 11 connecting the second channel 9 and the third channel 10, according to the orientation in FIG. 1, the first channel 8, the fourth channel 11 are arranged along the front and rear Left and right direction settings. The first channel 8 communicates with the ball valve mounting hole, the two needle valve mounting holes are located on the second channel 9 and the third channel 10 respectively, and the connection point between the fourth channel 11 and the second channel 9 is located between the back pressure valve mounting hole and the needle valve. Between the mounting holes, the communication point between the fourth channel 11 and the third channel 10 is located between the ball valve mounting hole and the needle valve mounting hole. When processing four channels, four process holes are inevitably formed on the side of the main body 1, and blind plugs 5 are sealed and installed at each process hole; Front side; the second process hole is left over from the processing of the second channel 9, and is located on the right side of the body 1 and below the outlet joint 7; the third process hole is left over from the processing of the third channel 10, and is also on the right side of the body 1. It is located below the air outlet joint 7;

In fact, the above-mentioned valves are the general term of the valve core and the upper valve shell in the prior art, and there is no lower valve shell (the lower valve shell is replaced by the installation hole in the main body 1); when connecting or installing, the upper valve shell and the upper valve shell are connected with each other. The body 1 is fixed, and the valve core can act in the space formed by the upper valve shell and the installation hole, such as rotation, lifting, etc.; and the structure in the installation hole is the same as or similar to the internal structure of the lower valve shell in the prior art (including The positions of the installation holes, the air inlet holes and the air outlet holes of the lower valve shell are the same or similar), for example: the air inlet hole of the back pressure valve installation hole is communicated with the first channel 8, and its air outlet hole is communicated with the second channel 9; two The air inlet hole of the needle valve mounting hole is communicated with the second channel 9 and the third channel 10, and the air outlet hole is communicated with the air outlet; the air inlet hole of the ball valve 3 is communicated with the first channel 8, and the air outlet hole is located at the left end of the third channel 10. .

When the voltage is stabilized, as shown in Figure 4, at this time, the ball valve 3 is closed, the back pressure valve 2 is opened, and the gas is in accordance with the air inlet connector 6 - the first channel 8 - the back pressure valve 2 - the second channel 9 - the needle valve 4 - the gas outlet connector 7 and from the back pressure valve 2 - the second channel 9 branch flow - the fourth channel 11 - the third channel 10 - the needle valve 4 - the outlet joint 7 to flow. When the pressure is released, as shown in Figure 5, the ball valve 3 is opened at this time, and the gas is divided according to the air inlet connector 6-ball valve 3-third channel 10-needle valve 4-air outlet connector 7 and from the ball valve 3-third channel 10-No. Four channels 11-second channel 9-needle valve 4-air outlet joint 7 flow.

The integral pressure-stabilizing valve group provided by this embodiment has the same effect as the pressure-stabilizing valve group in the prior art, but takes up less space compared with it; it does not need to be assembled and leaked when used; it saves money Pipe valve parts such as tee and some joints are used to reduce costs, reduce leakage points, and reduce leak detection workload.

Although the present utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention belong to the scope of protection of the present invention.

Claims (5)

1. The integral type pressure stabilizing valve bank is characterized by comprising a body, a back pressure valve, a ball valve and two needle valves, wherein an air inlet and two air outlets are formed in the side portion of the body, a back pressure valve mounting hole, a ball valve mounting hole and two needle valve mounting holes are formed in the upper side of the body, the back pressure valve is mounted in the back pressure valve mounting hole in a sealing mode, the ball valve is mounted in the ball valve mounting hole in a sealing mode, the two needle valves are mounted in the two needle valve mounting holes in a sealing mode respectively, a first channel for connecting the air inlet and the back pressure valve mounting hole, a second channel for connecting the back pressure valve mounting hole and one air outlet, a third channel for connecting the ball valve mounting hole and the other air outlet and a fourth channel for connecting the second channel and the third channel are formed in the body and communicated with the ball valve mounting hole, the two needle valve mounting holes are located in the second channel and the third channel respectively, and the communication points of the fourth channel and the second channel and the third channel are located between the back pressure valve mounting hole and the needle valve mounting hole respectively, Between the ball valve mounting hole and the needle valve mounting hole.

2. The integrated pressure-stabilizing valve group according to claim 1, wherein the side of the body is further provided with a first process hole left when the first passage is machined, a second process hole left when the second passage is machined, a third process hole left when the third passage is machined, and a fourth process hole left when the fourth passage is machined.

3. The integrated pressure-stabilizing valve bank according to claim 2, wherein a blind plug is hermetically mounted at each technical hole.

4. The integrated pressure stabilizing valve group according to claim 1, wherein the air inlet is hermetically provided with an air inlet connector, and the two air outlets are hermetically provided with air outlet connectors.

5. The integrated pressure stabilizing valve group according to claim 1, wherein a valve handle or a valve wheel is mounted on the top of each valve.

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