CN219159574U

CN219159574U - Pressure regulating valve for metering pump

Info

Publication number: CN219159574U
Application number: CN202320097039.4U
Authority: CN
Inventors: 杨泽; 王学冬; 原松晓; 鲁淑柏
Original assignee: Tianjin Shengxinyu Machinery Manufacturing Co ltd
Current assignee: Tianjin Shengxinyu Machinery Manufacturing Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-06-09
Anticipated expiration: 2033-02-01

Abstract

The utility model discloses a pressure regulating valve for a metering pump, which comprises a valve body, wherein the outer surface of the valve body is fixedly connected with a thread block, the inner side wall of the valve body is fixedly connected with a connecting pipe, the inner side wall of connecting pipe has seted up the opening, the inside of opening is equipped with the regulating block, the inside wall fixedly connected with first sealing ring of connecting pipe, and the inner circle of first sealing ring contacts with the surface of regulating block. This device plays the regulation pole and carries out pivoted effect at the bearing inner race through adjusting the cooperation of pole and bearing to utilize first sealing ring, reach and make the regulating block reciprocate and carry out the purpose of clearance to the dirt that attaches on regulating block surface, the combination of second sealing block and screw thread piece is used, prevents to appear the phenomenon of infiltration when the regulating block surface is cleared up, thereby effectually solved the inside regulating block surface of governing valve and attached the dirt, the dirt influences the sealing effect of regulating block easily, leads to the problem that pressure regulating valve practicality is low.

Description

Pressure regulating valve for metering pump

Technical Field

The utility model relates to the field of metering pumps, in particular to a pressure regulating valve for a metering pump.

Background

The metering pump is also called a quantitative pump or a proportional pump, the metering pump can meet the requirements of various strict technological processes, the flow can be adjusted steplessly in a range, the metering pump is a special volumetric pump for conveying liquid, especially corrosive liquid, the metering pump is a fluid conveying machine, the metering pump is characterized in that the constant flow irrelevant to the discharge pressure can be kept, the functions of conveying, metering and adjusting can be simultaneously completed by using the metering pump, thus the production technological process is simplified, a plurality of metering pumps are used, a plurality of mediums can be input into the technological process according to the accurate proportion for mixing, and the metering pump is widely applied to various industrial fields such as petrochemical industry, pharmacy and food nowadays due to the prominence of the metering pump.

However, in the prior art, when the pressure regulating valve for the metering pump is used, dirt is attached to the outer surface area of the regulating block inside the regulating valve, and the dirt easily influences the sealing effect of the regulating block, so that the problem of low practicability of the pressure regulating valve is caused.

Disclosure of Invention

The present utility model aims to provide a pressure regulating valve for a metering pump to solve the problems set forth in the background art described above.

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

a pressure regulating valve for metering pump, including the valve body, the surface fixedly connected with screw thread piece of valve body, the connector is seted up to the inside wall fixedly connected with connecting pipe of valve body, the through-hole has been seted up to the inside wall of connecting pipe, the inside of through-hole is equipped with the regulating block, the inside wall fixedly connected with first sealing ring of connecting pipe, and the inner circle of first sealing ring contacts with the surface of regulating block, the upper surface fixed mosaic of regulating block has the bearing, the inner circle fixedly connected with regulation pole of bearing, the connector has been seted up to the upper surface of valve body, the screw hole has been seted up to the upper surface of screw thread piece.

In a further embodiment, two supporting seats are arranged below the valve body, and the upper surface of each supporting seat is fixedly connected with the outer surface of the valve body.

In a further embodiment, a positioning groove is formed in the inner side wall of the connecting pipe, and the bottom surface of the adjusting block is in contact with the inner bottom wall of the positioning groove.

In a further embodiment, the outer surface of the connecting pipe is fixedly connected with four positioning blocks, and one side surface of each of the two groups of positioning blocks, which is far away from each other, is fixedly connected with the inner side wall of the valve body.

In a further embodiment, the outer surface of the connecting pipe is fixedly connected with a second sealing ring, the upper surface of the second sealing ring is fixedly connected with the inner side wall of the valve body, and the top end of the adjusting rod sequentially penetrates through the through hole, the second sealing ring, the connecting port and the threaded hole and extends to the upper portion of the threaded block.

In a further embodiment, the left and right sides of the valve body are fixedly connected with connectors, and two sides of the two connectors, which are close to each other, are fixedly connected with the left and right ends of the connecting pipe respectively.

Compared with the prior art, the utility model has the beneficial effects that:

this device plays the regulation pole and carries out pivoted effect at the bearing inner race through adjusting the cooperation of pole and bearing to utilize first sealing ring, reach and make the regulating block reciprocate and to attach the purpose that the filth was cleared up to the volume on regulating block surface, through the use of the combination of second sealing block and screw thread piece, be convenient for seal water, prevent the phenomenon that the infiltration appears when clearing up the regulating block surface, thereby effectually solved the inside regulating block surface of governing valve attach the filth, the filth influences the sealing effect of regulating block easily, lead to the problem that pressure regulating valve practicality is low.

Drawings

Fig. 1 is a schematic perspective view of a valve body of a pressure regulating valve for a metering pump.

Fig. 2 is a schematic view of a front sectional structure of a valve body in a pressure regulating valve for a metering pump.

Fig. 3 is a schematic perspective view of a regulating block in a pressure regulating valve for a metering pump.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 2 in a pressure regulating valve for a metering pump.

In the figure: 1. a valve body; 2. a connector; 3. a support base; 4. a screw block; 5. a connecting pipe; 6. a positioning groove; 7. a first seal ring; 8. a through port; 9. a positioning block; 10. a second seal ring; 11. an adjusting block; 12. a bearing; 13. an adjusting rod; 14. a connection port; 15. and (3) a threaded hole.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the pressure regulating valve for a metering pump of the present utility model, the pressure regulating valve comprises a valve body 1, wherein the outer surface of the valve body 1 is fixedly connected with a threaded block 4, the inner side wall of the valve body 1 is fixedly connected with a connecting pipe 5, the inner side wall of the connecting pipe 5 is provided with a through hole 8, an adjusting block 11 is arranged in the through hole 8, the inner side wall of the connecting pipe 5 is fixedly connected with a first sealing ring 7, the inner ring of the first sealing ring 7 is contacted with the outer surface of the adjusting block 11, a bearing 12 is fixedly embedded on the upper surface of the adjusting block 11, the inner ring of the bearing 12 is fixedly connected with an adjusting rod 13, the upper surface of the valve body 1 is provided with a connecting port 14, and the upper surface of the threaded block 4 is provided with a threaded hole 15.

The below of valve body 1 is equipped with two supporting seats 3, the upper surface of every supporting seat 3 all is connected with the surface mounting of valve body 1, constant head tank 6 has been seted up through the supporting seat 3 that is equipped with to the inside wall of connecting pipe 5, the bottom surface of regulating block 11 contacts with the interior bottom wall of constant head tank 6, through the constant head tank 6 that is equipped with, be convenient for fix a position regulating block 11, the surface mounting of connecting pipe 5 is connected with four locating pieces 9, a side that two sets of locating pieces 9 kept away from each other all is connected with the inside wall fixed of valve body 1, through the locating piece 9 that is equipped with, be convenient for fix a position connecting pipe 5.

The surface fixedly connected with second sealing ring 10 of connecting pipe 5, the upper surface of second sealing ring 10 and the inside wall fixed connection of valve body 1, the top of adjusting pole 13 is through hole 8 in proper order, second sealing ring 10, connector 14 and screw hole 15 and extend to the top of screw thread piece 4, through being equipped with second sealing ring 10, be convenient for seal adjusting pole 13, the equal fixed intercommunication of the left and right sides face of valve body 1 has connector 2, the both ends fixed intercommunication about one side that two connectors 2 are close to each other respectively with connecting pipe 5, through the connector 2 that is equipped with, be convenient for connect connecting pipe 5.

The working principle of the utility model is as follows:

when the novel cleaning device is used, the inner ring of the bearing 12 can be rotated by rotating the adjusting rod 13, the adjusting block 11 is conveniently driven to move up and down along with the rotation of the adjusting rod 13, and the first sealing ring 7 is fixedly connected with the inner side wall of the connecting pipe 5, so that dirt attached to the outer surface area of the adjusting block 11 is conveniently cleaned, and the positioning groove 6 is utilized, so that the adjusting block 11 is conveniently positioned, and the cleaning work of the dirt attached to the outer surface area of the adjusting block 11 is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A pressure regulating valve for metering pump, its characterized in that: including valve body (1), the surface fixedly connected with screw thread piece (4) of valve body (1), inside wall fixedly connected with connecting pipe (5) of valve body (1), through-hole (8) have been seted up to the inside wall of connecting pipe (5), the inside of through-hole (8) is equipped with regulating block (11), the inside wall fixedly connected with first sealing ring (7) of connecting pipe (5), and the inner circle of first sealing ring (7) contacts with the surface of regulating block (11), the upper surface fixed mosaic of regulating block (11) has bearing (12), the inner circle fixedly connected with regulation pole (13) of bearing (12), connector (14) have been seted up to the upper surface of valve body (1), screw hole (15) have been seted up to the upper surface of screw thread piece (4).

2. A pressure regulating valve for a metering pump as claimed in claim 1, wherein: two supporting seats (3) are arranged below the valve body (1), and the upper surface of each supporting seat (3) is fixedly connected with the outer surface of the valve body (1).

3. A pressure regulating valve for a metering pump as claimed in claim 1, wherein: the inner side wall of the connecting pipe (5) is provided with a positioning groove (6), and the bottom surface of the adjusting block (11) is contacted with the inner bottom wall of the positioning groove (6).

4. A pressure regulating valve for a metering pump as claimed in claim 1, wherein: the outer surface of the connecting pipe (5) is fixedly connected with four positioning blocks (9), and one side surface, away from each other, of each two groups of positioning blocks (9) is fixedly connected with the inner side wall of the valve body (1).

5. A pressure regulating valve for a metering pump as claimed in claim 1, wherein: the outer surface fixedly connected with second sealing ring (10) of connecting pipe (5), the upper surface of second sealing ring (10) and the inside wall fixed connection of valve body (1), the top of adjusting pole (13) is through mouthful (8), second sealing ring (10), connector (14) and screw hole (15) and extends to the top of screw thread piece (4) in proper order.

6. A pressure regulating valve for a metering pump as claimed in claim 1, wherein: the left side face and the right side face of the valve body (1) are fixedly communicated with connectors (2), and one side face, close to each other, of each connector (2) is fixedly communicated with the left end and the right end of a connecting pipe (5) respectively.