CN214008200U - Direct action type pressure regulator pressure balancer - Google Patents

Direct action type pressure regulator pressure balancer Download PDF

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Publication number
CN214008200U
CN214008200U CN202023122647.1U CN202023122647U CN214008200U CN 214008200 U CN214008200 U CN 214008200U CN 202023122647 U CN202023122647 U CN 202023122647U CN 214008200 U CN214008200 U CN 214008200U
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China
Prior art keywords
cavity
valve
valve body
pressure
sealing
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CN202023122647.1U
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Chinese (zh)
Inventor
张伟
郑文学
黄聪
马铁铸
陈燚
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Chengdu Chuanli Smart Fluid Equipment Co ltd
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Chengdu Chuanli Smart Fluid Equipment Co ltd
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Abstract

The utility model discloses a pressure balancer of a direct-acting pressure regulator, which comprises a valve body, a valve cover arranged at the upper end of the valve body and a sealing component arranged between the valve body and the valve cover; the valve cover is connected with the valve body to form a cavity, the sealing assembly divides the cavity into an upper cavity and a lower cavity, the left side of the valve body is provided with a first cavity, and the first cavity is communicated with the lower cavity through a flow passage; the valve comprises a valve body, a first cavity, a seal assembly, a valve cover and a second cavity, wherein the first cavity is internally provided with an adjusting assembly used for sealing and opening the flow channel, the seal assembly is connected with the adjusting assembly, the valve cover is provided with a small hole, the small hole is communicated with the upper cavity, and the upper cavity can be communicated with the first cavity of the valve body through the small hole. The utility model is used for install on well low pressure direct action formula voltage regulator pressure feedback pipeline, with unstable atmospheric pressure through adjusting the back, output stable atmospheric pressure.

Description

Direct action type pressure regulator pressure balancer
Technical Field
The utility model relates to a gas pressure regulating equipment technical field, concretely relates to direct action formula voltage regulator pressure balancer.
Background
The gas pressure regulator is specially suitable for being used as gas pressure regulating equipment for regulating and stabilizing pressure in a gas transmission and distribution system, and is widely applied to gas transmission and distribution engineering; the pressure regulating device has the function of automatically regulating the pressure of the gas outlet, so that the gas outlet is stabilized in a certain pressure range, the pressure value required by a user is met, and the use requirement is met.
The gas pressure regulator that uses at present, its structure is provided with the diaphragm including the casing that has air inlet, gas outlet and disk seat in, in the casing, and diaphragm upper portion is provided with tray, pressure regulating spring, regulation pole and adjusting nut, and the diaphragm lower part is provided with the valve rod that is connected with the tray, and the valve rod bottom is provided with the loose valve with disk seat assorted.
When the pressure regulator works normally, the force of the pressure of the air outlet acting on the bottom surface of the diaphragm and the force of the pressure regulating spring acting on the top surface of the diaphragm are balanced, the valve rod is static, and the valve port is in a normal open state;
(1) when the pressure of the air outlet rises and the force of the pressure of the air outlet on the bottom surface of the diaphragm is larger than the force of the pressure regulating spring on the top surface of the diaphragm, the diaphragm drives the tray to move upwards, the tray moves upwards to drive the valve rod to move upwards, the valve rod drives the movable valve to move upwards, the valve port between the movable valve and the valve seat is reduced, the pressure of the air outlet is reduced and recovered to a normal value, and therefore normal air supply is maintained;
(2) when the pressure of the air outlet is reduced and the force of the pressure of the air outlet on the bottom surface of the diaphragm is smaller than the force of the pressure regulating spring on the top surface of the diaphragm, the diaphragm drives the tray to move downwards, the tray moves downwards to drive the valve rod to move downwards, the valve rod drives the valve to move downwards, the valve port between the valve and the valve seat is increased, the pressure of the air outlet is increased and recovered to a normal value, and therefore normal air supply is maintained.
However, in practical use, the medium-low pressure direct-acting pressure regulator is of a self-operated structure, pressure feedback is from the outlet end of the pressure regulator, when the downstream gas consumption is small, the pressure output by the pressure regulator is inconsistent with an actually adjusted pressure value, the pressure regulator works under unbalanced force, the output pressure is always in a periodic fluctuation state, and the stability of the downstream gas consumption is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a direct action formula voltage regulator pressure equalizer, the device are used for installing on well low pressure direct action formula voltage regulator pressure feedback pipeline, with unstable atmospheric pressure through adjusting the back, export stable atmospheric pressure.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a pressure balancer of a direct-acting pressure regulator comprises a valve body, a valve cover arranged at the upper end of the valve body, and a sealing assembly arranged between the valve body and the valve cover; the valve cover is connected with the valve body to form a cavity, the sealing assembly divides the cavity into an upper cavity and a lower cavity, the left side of the valve body is provided with a first cavity, and the first cavity is communicated with the lower cavity through a flow passage;
the valve comprises a valve body, a first cavity, a seal assembly, a valve cover and a second cavity, wherein the first cavity is internally provided with an adjusting assembly used for sealing and opening the flow channel, the seal assembly is connected with the adjusting assembly, the valve cover is provided with a small hole, the small hole is communicated with the upper cavity, and the upper cavity can be communicated with the first cavity of the valve body through the small hole.
Wherein, the adjusting part includes pivot, lever and valve pad, and in the lower cavity that the lever rotated the installation valve body through the pivot, the lever left end was provided with the valve pad, the lever right-hand member was connected with seal assembly, and under seal assembly's effect, the lever can use the pivot to carry out clockwise or anticlockwise rotation for the valve pad is opened the runner or is sealed.
Wherein, the lever left end is provided with the mounting groove, valve pad fixed mounting be in the mounting groove.
The sealing assembly comprises a pull rod assembly and a pressure regulating spring, the pull rod assembly comprises a pull rod, an upper pressing plate, a lower pressing plate, a diaphragm, a sealing seat and a relief spring, the upper pressing plate and the lower pressing plate are mounted on the sealing seat, the diaphragm is arranged between the upper pressing plate and the lower pressing plate, and the diaphragm is tightly pressed on the valve body by a valve cover after the valve cover is connected with the valve body; the sealing seat is provided with a groove, the lower end of the sealing seat is provided with a chute, the groove is communicated with the chute, the middle part of the pull rod is provided with an inclined part which can be matched with the chute, the lower end of the pull rod is connected with the lever, the upper end of the pull rod is provided with a nut, the diffusion spring is sleeved at the upper end of the pull rod and positioned in the groove, the upper end of the diffusion spring is contacted with the nut, the lower end of the diffusion spring is contacted with the bottom of the groove, and the pull rod is connected with the sealing seat under the action of the diffusion spring; a sealing ring mounting groove is formed in the inclined part, and a sealing ring is arranged in the sealing ring mounting groove; the pressure regulating spring is positioned in the upper cavity, the upper end of the pressure regulating spring is contacted with the valve cover, and the lower end of the pressure regulating spring is contacted with the upper pressure plate.
Wherein, the right end of the lever is provided with a clamping groove, and the lower end of the pull rod is clamped in the clamping groove.
Further optimize, the diaphragm edge is provided with the installation department, is provided with the installation draw-in groove on the valve body, and the valve gap tightly presses the installation department in the installation draw-in groove.
Wherein, the section of the mounting part is rectangular.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses mainly constitute by the valve body, set up the valve gap in the valve body upper end and the seal assembly who sets up between valve body and valve gap, its mainly install on middle and low pressure direct action formula voltage regulator pressure feedback pipeline, through adjusting feedback atmospheric pressure, adjust unstable atmospheric pressure for stable pressure output for voltage regulator work is steady.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the sealing assembly of the present invention.
Reference numerals: 1-valve body, 2-valve cover, 3-sealing component, 4-chamber, 5-upper chamber, 6-lower chamber, 7-first chamber, 8-flow channel, 9-regulating component, 10-small hole, 11-rotating shaft, 12-lever, 13-valve pad, 14-mounting groove, 15-pressure regulating spring, 16-pull rod, 17-upper pressure plate, 18-lower pressure plate, 19-diaphragm, 20-sealing seat, 21-relief spring, 22-groove, 23-chute, 24-chute, 25-nut, 26-sealing ring, 27-clamping groove, 28-limiting bulge, 29-pressing ring, 30-mounting part, 31-mounting clamping groove, 32-sealing ring mounting groove
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example one
The embodiment discloses a pressure balancer of a direct-acting pressure regulator, which comprises a valve body 1, a valve cover 2 arranged at the upper end of the valve body 1 and a sealing component 3 arranged between the valve body 1 and the valve cover 2; the valve cover 2 is connected with the valve body 1 to form a chamber 4, the sealing assembly 3 divides the chamber 4 into an upper chamber 5 and a lower chamber 6, the left side of the valve body 1 is provided with a first chamber 7, and the first chamber 7 is communicated with the lower chamber 6 through a flow passage 8;
an adjusting component 9 used for sealing and opening the flow channel 8 is arranged in the first cavity 7, the sealing component 3 is connected with the adjusting component 9, a small hole 10 is formed in the valve cover 2, the small hole 10 is communicated with the upper cavity 5, and the upper cavity 5 can be communicated with the first cavity 7 of the valve body 1 through the small hole 10.
Wherein, adjusting part 9 includes pivot 11, lever 12 and valve pad 13, and in lever 12 rotated the lower chamber 6 of installation valve body 1 through pivot 11, lever 12 left end was provided with valve pad 13, lever 12 right-hand member was connected with seal assembly 3, and under seal assembly 3's effect, lever 12 can use pivot 11 to carry out clockwise or anticlockwise rotation for valve pad 13 opens or seals runner 8.
Further preferably, the left end of the lever 12 is provided with a mounting groove 14, and the valve pad 13 is fixedly mounted in the mounting groove 14; this facilitates the installation of the valve pad 13, and can provide reinforcement to the valve pad 13.
The sealing assembly 3 comprises a pull rod assembly and a pressure regulating spring 15, the pull rod assembly comprises a pull rod 16, an upper pressing plate 17, a lower pressing plate 18, a diaphragm 19, a sealing seat 20 and a relief spring 21, the upper pressing plate 17 and the lower pressing plate 18 are installed on the sealing seat 20, the diaphragm 19 is arranged between the upper pressing plate 17 and the lower pressing plate 18, and after the valve cover 2 is connected with the valve body 1, the diaphragm 19 is tightly pressed on the valve body 1 by the valve cover 2; the sealing seat 20 is provided with a groove 22, the lower end of the sealing seat is provided with a chute 23, the groove 22 is communicated with the chute, the middle part of the pull rod 16 is provided with an inclined part 24 which can be matched with the chute 23, the lower end of the pull rod 16 is connected with the lever 12, the upper end of the pull rod 16 is provided with a nut 25, the diffusion spring 21 is sleeved at the upper end of the pull rod 16 and is positioned in the groove 22, the upper end of the diffusion spring 21 is contacted with the nut 25, the lower end of the diffusion spring is contacted with the bottom of the groove 22, and the pull rod 16 is connected with the sealing seat 20 under the action of the diffusion spring 21; a sealing ring mounting groove 32 is formed in the inclined portion 24, and a sealing ring 26 is arranged in the sealing ring mounting groove 32; the pressure regulating spring 15 is positioned in the upper chamber 5, the upper end of the pressure regulating spring is contacted with the valve cover 2, and the lower end of the pressure regulating spring is contacted with the upper pressure plate 17.
Wherein, lever 12 right-hand member is provided with draw-in groove 27, and the lower extreme joint of pull rod 16 is in draw-in groove 27, like this, when pull rod 16 pulling lever 12, can make lever 12 rotate around pivot 11.
In the embodiment, the pull rod 16 and the sealing seat 20 are integrated and structured through the relief spring 21, and the purpose is achieved through the arranged sealing ring 26; under the action of the pressure regulating spring 15, the pull rod assembly is kept in a stable state; therefore, the pressure of the air inlet end and the air outlet end can be kept consistent, and the purpose of automatic adjustment is achieved; when the pull rod assembly moves up and down, the lever 12 can rotate clockwise or anticlockwise, and the opening and closing between the valve pad 13 and the valve body 1 are further controlled; in actual use, the pressure regulating spring 15 in a compressed state gives a downward force to the drawbar assembly. The direct acting regulator pressure balancer is in an open state with the valve pad 13 and the valve body 1 in a non-operating condition.
The utility model discloses a to feedback atmospheric pressure regulation, adjust unstable atmospheric pressure for stable pressure output for voltage regulator work is steady.
In practical use, the rear limiting bulge 28 is arranged on the sealing seat 20, the upper pressure plate 17 and the lower pressure plate 18 are mounted on the sealing seat 20, the diaphragm 19 is located between the upper pressure plate 17 and the lower pressure plate 18, the upper end of the sealing seat 20 is screwed with the compression ring 29, and under the action of the compression ring 29, the diaphragm 19 is tightly pressed on the lower pressure plate 18 by the upper pressure plate 17.
In practical use, the lower end of the pull rod 16 and the lever 12 can also be connected through a ball joint.
Example two
The embodiment is further optimized on the basis of the first embodiment, in the embodiment, the edge of the diaphragm 19 is provided with the mounting part 30, the valve body 1 is provided with the mounting clamping groove 31, and the valve cover 2 tightly presses the mounting part 30 in the mounting clamping groove 31.
The mounting portion 30 has a rectangular cross section.
Thus, in actual use, after the valve body 1 and the bonnet 2 are connected, the diaphragm 19 can be tightly pressed, and the installation part 30 can play a good anti-drop effect.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.

Claims (7)

1. A direct-acting pressure regulator pressure balancer, comprising: comprises a valve body, a valve cover arranged at the upper end of the valve body and a sealing component arranged between the valve body and the valve cover; the valve cover is connected with the valve body to form a cavity, the sealing assembly divides the cavity into an upper cavity and a lower cavity, the left side of the valve body is provided with a first cavity, and the first cavity is communicated with the lower cavity through a flow passage;
the valve comprises a valve body, a first cavity, a seal assembly, a valve cover and a second cavity, wherein the first cavity is internally provided with an adjusting assembly used for sealing and opening the flow channel, the seal assembly is connected with the adjusting assembly, the valve cover is provided with a small hole, the small hole is communicated with the upper cavity, and the upper cavity can be communicated with the first cavity of the valve body through the small hole.
2. A direct acting pressure regulator pressure balancer as claimed in claim 1, wherein: the adjusting part comprises a rotating shaft, a lever and a valve pad, the lever rotates in a lower cavity of the valve body through the rotating shaft, the left end of the lever is provided with the valve pad, the right end of the lever is connected with the sealing component, and under the action of the sealing component, the lever can rotate clockwise or anticlockwise by using the rotating shaft as a fulcrum, so that the valve pad opens or closes the flow channel.
3. A direct acting pressure regulator pressure balancer as claimed in claim 2, wherein: the lever left end is provided with the mounting groove, and valve pad fixed mounting is in the mounting groove.
4. A direct acting pressure regulator pressure balancer as claimed in claim 2, wherein: the sealing assembly comprises a pull rod assembly and a pressure regulating spring, the pull rod assembly comprises a pull rod, an upper pressing plate, a lower pressing plate, a diaphragm, a sealing seat and a relief spring, the upper pressing plate and the lower pressing plate are arranged on the sealing seat, the diaphragm is arranged between the upper pressing plate and the lower pressing plate, and the diaphragm is tightly pressed on the valve body by the valve cover after the valve cover is connected with the valve body; the sealing seat is provided with a groove, the lower end of the sealing seat is provided with a chute, the groove is communicated with the chute, the middle part of the pull rod is provided with an inclined part which can be matched with the chute, the lower end of the pull rod is connected with the lever, the upper end of the pull rod is provided with a nut, the diffusion spring is sleeved at the upper end of the pull rod and positioned in the groove, the upper end of the diffusion spring is contacted with the nut, the lower end of the diffusion spring is contacted with the bottom of the groove, and the pull rod is connected with the sealing seat under the action of the diffusion spring; a sealing ring mounting groove is formed in the inclined part, and a sealing ring is arranged in the sealing ring mounting groove; the pressure regulating spring is positioned in the upper cavity, the upper end of the pressure regulating spring is contacted with the valve cover, and the lower end of the pressure regulating spring is contacted with the upper pressure plate.
5. A direct acting pressure regulator pressure balancer as claimed in claim 4, wherein: the right end of the lever is provided with a clamping groove, and the lower end of the pull rod is clamped in the clamping groove.
6. A direct acting pressure regulator pressure balancer as claimed in claim 4 or 5, wherein: the diaphragm edge is provided with the installation department, is provided with the installation draw-in groove on the valve body, and the valve gap tightly presses the installation department in the installation draw-in groove.
7. A direct acting pressure regulator pressure balancer as claimed in claim 6, wherein: the section of the mounting part is rectangular.
CN202023122647.1U 2020-12-22 2020-12-22 Direct action type pressure regulator pressure balancer Active CN214008200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023122647.1U CN214008200U (en) 2020-12-22 2020-12-22 Direct action type pressure regulator pressure balancer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023122647.1U CN214008200U (en) 2020-12-22 2020-12-22 Direct action type pressure regulator pressure balancer

Publications (1)

Publication Number Publication Date
CN214008200U true CN214008200U (en) 2021-08-20

Family

ID=77289876

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023122647.1U Active CN214008200U (en) 2020-12-22 2020-12-22 Direct action type pressure regulator pressure balancer

Country Status (1)

Country Link
CN (1) CN214008200U (en)

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