CN218954069U

CN218954069U - Flow regulator

Info

Publication number: CN218954069U
Application number: CN202223530401.7U
Authority: CN
Inventors: 杨干; 梁栋科; 吴德华
Original assignee: Zhuhai Derui Medical Equipment Co ltd
Current assignee: Zhuhai Derui Medical Equipment Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-02
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a flow regulator, which comprises a shell, an elastic sealing cover, a regulating piece and an elastic piece, wherein a containing cavity is arranged in the shell, a threaded hole, a liquid inlet channel and a liquid outlet channel which are all communicated with the containing cavity are arranged on the shell, and the tail end of the liquid inlet channel is coaxial with the threaded hole; the elastic sealing cover is arranged in the accommodating cavity and covers the tail end of the liquid inlet channel and the head end of the liquid outlet channel, and part of the structure of the elastic sealing cover penetrates through the tail end of the liquid inlet channel; the adjusting piece is in threaded connection with the inner wall of the threaded hole; one end of the elastic piece is connected with or abutted against the adjusting piece, the other end of the elastic piece is abutted against the elastic sealing cover, and the elastic piece can deform part of the structure of the elastic sealing cover so as to adjust the size of the conducting area of the tail end of the liquid inlet channel. The elastic piece and the elastic sealing cover can be deformed, so that the adjusting piece rotates by a larger angle or a larger number of turns, the conduction area of the tail end of the liquid inlet channel can be changed, and the flow precision adjustment of the flow regulator is improved.

Description

Flow regulator

Technical Field

The utility model relates to the technical field of valves, in particular to a flow regulator.

Background

The flow regulator is a device for regulating the flow of liquid, and has wide application, such as flow control of medical liquid medicine, preparation of mixed liquid of pesticides and the like. The flow regulator at the present stage has a simpler structure, and the principle is that the flow is regulated by regulating the position of the valve plate and then regulating the conduction area of the flow channel, but the regulation operation of the position of the valve plate is inconvenient, the precision of the moving position of the valve plate is lower, and then the precision of flow regulation is lower.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the flow regulator, and the flow regulation precision is higher.

The flow regulator comprises a shell, an elastic sealing cover, an adjusting piece and an elastic piece, wherein a containing cavity is formed in the shell, a threaded hole, a liquid inlet channel and a liquid outlet channel which are communicated with the containing cavity are formed in the shell, and the tail end of the liquid inlet channel is coaxial with the threaded hole; the elastic sealing cover is arranged in the accommodating cavity and covers the tail end of the liquid inlet channel and the head end of the liquid outlet channel, and part of the structure of the elastic sealing cover penetrates through the tail end of the liquid inlet channel; the adjusting piece is in threaded connection with the inner wall of the threaded hole; one end of the elastic piece is connected with or abutted against the adjusting piece, the other end of the elastic piece is abutted against the elastic sealing cover, and the elastic piece can deform part of the structure of the elastic sealing cover so as to adjust the size of the conducting area at the tail end of the liquid inlet channel.

Has at least the following beneficial effects: the liquid inlet channel, the elastic sealing cover, the tail end of the liquid inlet channel or the containing cavity between the head ends of the liquid outlet channels and the liquid outlet channels form a flow channel, and liquid circulates in the flow channel. The adjusting piece is rotated to enable the adjusting piece to be close to or far away from the tail end of the liquid inlet channel, when the adjusting piece is close to the tail end of the liquid inlet channel, the adjusting piece drives the elastic piece to squeeze part of the structure of the elastic sealing cover, so that the part of the structure of the elastic sealing cover deforms, the part of the structure of the elastic sealing cover occupies a larger area of the tail end of the liquid inlet channel, and the smaller the conduction area of the tail end of the liquid inlet channel is, the smaller the flow passing through the flow channel is; when the regulating piece is far away from the tail end of the liquid inlet channel, the larger the conduction area of the tail end of the liquid inlet channel is, the larger the flow passing through the flow channel is. Because elastic component and elasticity sealed cowling all can take place deformation, so the regulating part rotates great angle or more number of turns, and the conduction area at the end of feed liquor passageway just can change, is favorable to improving flow regulator's flow accuracy and adjusts.

According to some embodiments of the utility model, a portion of the structure of the elastomeric boot is provided with a receiving slot that receives a support post.

According to some embodiments of the utility model, a positioning groove is formed in a region, opposite to the threaded hole, of the inner wall of the shell, a positioning block is arranged in the positioning groove, a through hole coaxial with the threaded hole is formed in the positioning block, and the through hole is the tail end of the liquid inlet channel.

According to some embodiments of the utility model, the peripheral wall of the elastic sealing cover is in sealing connection with the inner peripheral wall of the accommodating cavity, the elastic sealing cover divides the accommodating cavity into an upper cavity and a lower cavity, and the elastic piece is arranged in the upper cavity.

According to some embodiments of the utility model, the housing is provided with an air hole, and the air hole is communicated with the upper cavity.

According to some embodiments of the utility model, the housing comprises a lower cover and an upper cover connected to each other, the lower cover and the upper cover forming the receiving cavity therebetween.

According to some embodiments of the utility model, one of the lower cover and the upper cover is provided with an annular flange, and the other is provided with an annular groove cooperating with the annular flange.

According to some embodiments of the utility model, all annular grooves are formed between the lower cover and the upper cover, and the elastic sealing cover is provided with an annular limiting part which is arranged in the annular groove.

According to some embodiments of the utility model, the adjusting member is a bolt, a head of the bolt is provided with a limit groove, and one end of the elastic member extends into the limit groove and abuts against the inner bottom wall of the limit groove.

According to some embodiments of the utility model, the elastic sealing boot is made of a rubber material.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a flow regulator according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a flow regulator according to an embodiment of the present utility model;

reference numerals: the device comprises a shell 100, a lower cover 110, an upper cover 120, an annular flange 130, a storage cavity 200, an air hole 210, a threaded hole 300, a liquid inlet channel 400, a liquid outlet channel 500, an elastic sealing cover 600, a containing groove 610, a supporting column 611, an annular limiting part 620, an adjusting part 700, a limiting groove 710, an elastic part 800, a positioning groove 900, a positioning block 910 and a through hole 911.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 and 2, the present utility model discloses a flow regulator, which comprises a housing 100, an elastic sealing cover 600, a regulating member 700 and an elastic member 800, wherein a receiving cavity 200 is arranged in the housing 100, a threaded hole 300, a liquid inlet channel 400 and a liquid outlet channel 500 which are all communicated with the receiving cavity 200 are arranged on the housing 100, and the tail end of the liquid inlet channel 400 is coaxial with the threaded hole 300; the elastic sealing cover 600 is arranged in the accommodating cavity 200 and covers the tail end of the liquid inlet channel 400 and the head end of the liquid outlet channel 500, and part of the structure of the elastic sealing cover 600 penetrates through the tail end of the liquid inlet channel 400; the adjusting member 700 is screw-coupled with the inner wall of the screw hole 300; one end of the elastic member 800 is connected to or abutted against the adjusting member 700, and the other end of the elastic member 800 abuts against the elastic sealing cover 600, and the elastic member 800 can deform a part of the structure of the elastic sealing cover 600 to adjust the size of the conducting area at the end of the liquid inlet channel 400.

The receiving chamber 200 and the liquid outlet channel 500 between the liquid inlet channel 400, the elastic sealing cover 600 and the end of the liquid inlet channel 400 or the head end of the liquid outlet channel 500 form a flow channel, and liquid circulates in the flow channel. Rotating the adjusting member 700 may make the adjusting member 700 approach or separate from the end of the liquid inlet channel 400, when the adjusting member 700 approaches the end of the liquid inlet channel 400, the adjusting member 700 drives the elastic member 800 to press part of the structure of the elastic sealing cover 600, so that part of the structure of the elastic sealing cover 600 deforms, and part of the structure of the elastic sealing cover 600 occupies a larger area of the end of the liquid inlet channel 400, so that the smaller the conduction area of the end of the liquid inlet channel 400 is, the smaller the flow rate passing through the flow channel is; and when the regulator 700 is far from the end of the liquid inlet channel 400, the larger the conduction area of the end of the liquid inlet channel 400 is, the larger the flow rate through the flow channel is.

Since the elastic member 800 and the elastic sealing cover 600 can be deformed, the adjusting member 700 rotates by a larger angle or more turns, and the conducting area of the end of the liquid inlet channel 400 can be changed, which is beneficial to improving the flow accuracy adjustment of the flow regulator.

Referring to fig. 2, a part of the structure of the elastic sealing cover 600 is provided with a receiving groove 610, the receiving groove 610 receives a supporting column 611, the elastic sealing cover 600 plays a role of wrapping most of the structure of the supporting column 611, the supporting column 611 and the structure of the elastic sealing cover 600 wrapping the supporting column 611 penetrate through the tail end of the liquid inlet channel 400, when the elastic member 800 extrudes part of the structure of the elastic sealing cover 600, the structure of the elastic sealing cover 600 wrapping the supporting column 611 deforms on the supporting column 611, and the structure of the elastic sealing cover 600 forms an annular bulge, so that the conduction area of the tail end of the liquid inlet channel 400 is reduced.

The elastic member 800 is a spring. The elastic member 800 is coaxially disposed with the support column 611, and the inner diameter of the elastic member 800 is larger than the outer diameter of the support column 611, so that the other end of the elastic member 800 is prevented from directly abutting against the support column 611.

Referring to fig. 2, the adjusting member 700 is a bolt or a screw, one end of the head of the bolt or one end of the screw extends into the accommodating cavity 200, one end of the head of the bolt or one end of the screw is provided with a limiting groove 710, one end of the elastic member 800 extends into the limiting groove 710 and abuts against an inner bottom wall of the limiting groove 710, and the limiting groove 710 plays a role of limiting the elastic member 800. The tail of the bolt or the other end of the screw rod extends out of the shell 100, a groove is formed in the tail end face of the bolt or the other end face of the screw rod, and the groove is convenient for driving the bolt or the screw rod to rotate. The groove is plum blossom-shaped or cross-shaped or straight-shaped.

The requirement on the dimensional accuracy of the tail end of the liquid inlet channel 400 is high, and timely cleaning or repairing processing is needed under the conditions of liquid deposition and the like so as to avoid unstable flow control of a flow regulator, so that the liquid inlet channel 400 is not suitable to be manufactured in a mode of directly processing one part, the tail end of the liquid inlet channel 400 is manufactured by adopting another part, and the other part needs to be directly replaced when cleaning or repairing processing is needed.

Referring to fig. 2, a positioning groove 900 is formed in a region of the inner wall of the housing 100 opposite to the threaded hole 300, a positioning block 910 is formed in the positioning groove 900, and the positioning groove 900 plays a role of positioning and installing the positioning block 910. The positioning block 910 is provided with a through hole 911 coaxial with the threaded hole 300, and the through hole 911 is the end of the liquid inlet channel 400.

The peripheral wall of the elastic sealing cover 600 is in sealing connection with the inner peripheral wall of the receiving chamber 200, the elastic sealing cover 600 divides the receiving chamber 200 into an upper chamber and a lower chamber, the upper chamber and the lower chamber are not communicated, liquid can enter the lower chamber but not the upper chamber, and the liquid inlet channel 400, the lower chamber and the liquid outlet channel 500 form a flow channel. The elastic member 800 is disposed in the upper cavity, so that the elastic member 800 can be prevented from contacting with the liquid. Similarly, the notch of the accommodating groove 610 is formed on the side of the elastic sealing cover 600 away from the lower cavity, so that the support column 611 is prevented from contacting with the liquid.

Referring to fig. 1 or 2, the housing 100 is provided with an air hole 210, the air hole 210 communicates with the upper chamber, and the air hole 210 plays a role in adjusting the air pressure of the upper chamber.

The case 100 includes a lower cover 110 and an upper cover 120 connected to each other, and a receiving chamber 200 is formed between the lower cover 110 and the upper cover 120. When the flow regulator is assembled, the elastic sealing cover 600, the elastic member 800 and the supporting column 611 are disposed on the lower cover 110, and then the upper cover 120 is closed.

One of the lower and

upper covers

110 and 120 is provided with an annular flange 130, and the other is provided with an annular groove that mates with the annular flange 130. The annular flange 130 and the annular groove structure can facilitate and accurately butt joint of the lower cover 110 and the upper cover 120, and can enable better sealing performance between the lower cover 110 and the upper cover 120. The lower cover 110 and the upper cover 120 may be connected by ultrasonic welding.

All annular grooves are formed between the lower cover 110 and the upper cover 120, the elastic sealing cover 600 is provided with an annular limiting part 620, the annular limiting part 620 is arranged in the annular groove, the annular groove plays a role of limiting the annular limiting part 620, the whole elastic sealing cover 600 is opened, the elastic sealing cover 600 divides the storage cavity 200 into an upper cavity and a lower cavity, and the tightness between the upper cavity and the lower cavity is good.

Both the liquid inlet channel 400 and the liquid outlet channel 500 are formed in the lower cover 110. Further, the lower cover 110 is provided with a liquid inlet pipe portion and a liquid outlet pipe portion, and the liquid inlet channel 400 and the liquid outlet channel 500 are respectively provided on the liquid inlet pipe portion and the liquid outlet pipe portion. The liquid inlet pipe part and the liquid outlet pipe part are convenient to be connected with an external pipeline.

The elastic sealing cover 600 is made of rubber materials, the rubber materials have good chemical property and physical property, are not easy to deteriorate, and have good elasticity.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the claims.

Claims

1. A flow regulator, comprising:

the shell is internally provided with a containing cavity, the shell is provided with a threaded hole, a liquid inlet channel and a liquid outlet channel which are all communicated with the containing cavity, and the tail end of the liquid inlet channel is coaxial with the threaded hole;

the elastic sealing cover is arranged in the containing cavity and covers the tail end of the liquid inlet channel and the head end of the liquid outlet channel, and part of the structure of the elastic sealing cover penetrates through the tail end of the liquid inlet channel;

the adjusting piece is in threaded connection with the inner wall of the threaded hole;

the elastic piece, the one end of elastic piece with the regulating part is connected or the butt, the other end of elastic piece is supported on the elastic seal cover, the elastic piece can make the partial structure deformation of elastic seal cover is in order to adjust the conduction area size of feed liquor passageway's end.

2. A flow regulator according to claim 1, wherein: the part of the structure of the elastic sealing cover is provided with an accommodating groove, and the accommodating groove accommodates the supporting column.

3. A flow regulator according to claim 1, wherein: the inner wall of the shell is provided with a positioning groove in a region opposite to the threaded hole, a positioning block is arranged in the positioning groove, the positioning block is provided with a through hole coaxial with the threaded hole, and the through hole is the tail end of the liquid inlet channel.

4. A flow regulator according to claim 1, wherein: the periphery wall of the elastic sealing cover is in sealing connection with the inner periphery wall of the containing cavity, the elastic sealing cover divides the containing cavity into an upper cavity and a lower cavity, and the elastic piece is arranged in the upper cavity.

5. A flow regulator according to claim 4, wherein: and the shell is provided with an air hole which is communicated with the upper cavity.

6. A flow regulator according to claim 1, wherein: the shell comprises a lower cover and an upper cover which are connected, and the containing cavity is formed between the lower cover and the upper cover.

7. A flow regulator according to claim 6, wherein: one of the lower cover and the upper cover is provided with an annular flange, and the other is provided with an annular groove matched with the annular flange.

8. A flow regulator according to claim 6 or 7, characterized in that: all annular grooves are formed between the lower cover and the upper cover, the elastic sealing cover is provided with an annular limiting part, and the annular limiting part is arranged in the annular groove.

9. A flow regulator according to claim 1, wherein: the adjusting piece is a bolt, a limiting groove is formed in the head of the bolt, and one end of the elastic piece stretches into the limiting groove and abuts against the inner bottom wall of the limiting groove.

10. A flow regulator according to claim 1, wherein: the elastic sealing cover is made of rubber materials.