CN221628945U - Piston type pressure reducing valve - Google Patents

Piston type pressure reducing valve Download PDF

Info

Publication number
CN221628945U
CN221628945U CN202322828588.7U CN202322828588U CN221628945U CN 221628945 U CN221628945 U CN 221628945U CN 202322828588 U CN202322828588 U CN 202322828588U CN 221628945 U CN221628945 U CN 221628945U
Authority
CN
China
Prior art keywords
valve core
valve
pressure reducing
pressing ring
reducing valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322828588.7U
Other languages
Chinese (zh)
Inventor
黄金良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Xuananju Hvac Technology Co ltd
Original Assignee
Zhejiang Xuananju Hvac Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Xuananju Hvac Technology Co ltd filed Critical Zhejiang Xuananju Hvac Technology Co ltd
Priority to CN202322828588.7U priority Critical patent/CN221628945U/en
Application granted granted Critical
Publication of CN221628945U publication Critical patent/CN221628945U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Control Of Fluid Pressure (AREA)

Abstract

The utility model provides a piston type pressure reducing valve, and belongs to the technical field of valve manufacturing. The valve core solves the problem that the valve core is easy to damage when the valve core is detached in the prior art. The pressure reducing valve comprises a valve body, wherein a valve core is arranged in the valve body, a diaphragm is arranged on the valve core, a pressing ring is arranged on the diaphragm, the pressing ring and the valve core form a fastening structure and clamp the diaphragm to form fixation, and the pressing ring comprises a hook part for hooking the pressing ring by matching with a hook piece. The pressing ring can be hooked by hooking the hook part by the hook piece and pulling upwards, and the valve core is hooked together. The pressure reducing valve ensures that the valve core is convenient to disassemble and simultaneously avoids damage to the valve core.

Description

Piston type pressure reducing valve
Technical Field
The utility model belongs to the technical field of valve manufacturing, and relates to a piston type pressure reducing valve.
Background
In modern industrial production, some devices using fluid are prone to damage and not work normally if the fluid pressure is too high, and even explosion of the devices is likely to cause great danger to people. In addition, if the pressure of the fluid is too high, potential safety hazards can be brought, and energy waste can be caused.
The main current solution to the problems is to provide a pressure reducing valve on the related equipment to maintain the inlet pressure at a certain required outlet pressure and control the fluid in the equipment, and the outlet pressure is automatically kept stable by utilizing the energy of the pressure reducing valve, so that the fluid pressure is ensured to be in a safety range, and the energy consumption is reduced while the stability and the safety of the equipment are improved. However, the valve core assembly in the conventional pressure reducing valve is usually composed of parts sequentially installed in the valve body, and if personnel want to clean or replace damaged parts, the parts of the valve core assembly are required to be sequentially disassembled, so that the time and the labor are consumed.
For this reason, chinese patent application (application number: 201020250302.1) discloses a pressure reducing valve, which comprises a valve body, wherein the upper end of the valve body is in threaded connection with a valve cover, the valve cover is propped against a pressure ring, an annular shoulder is arranged on the outer side of the valve core, when the valve core is mounted on a valve core seat, one surface of the annular shoulder is placed on the valve core seat, and the other surface is propped against the pressure ring, so that the valve core is fixed between the valve core seat and the pressure ring through the annular shoulder, and the valve core can be taken out by removing the valve cover and taking out the pressure ring.
However, the above method has the following drawbacks: 1. when the valve core of the pressure reducing valve needs to be replaced or cleaned, a person needs to detach the valve cover, clamp the clamping piece to take out the compression ring, so that the valve core is taken out, if the force is too small, the sliding friction force and the blockage of dirt in the gap are difficult to overcome, the valve core is successfully taken out, and the valve core possibly slides down to collide with to cause damage in the clamping operation process. 2. When the valve core of the pressure reducing valve needs to be replaced or cleaned, a person needs to detach the valve cover, clamps the clamping piece to take out the compression ring, so that the valve core is taken out, and if the force is too large, the valve core is easily damaged.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a piston type pressure reducing valve, which aims to solve the technical problems that: how to avoid damaging the valve core while facilitating the disassembly of the valve core.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a piston relief pressure valve, includes the valve body, be equipped with the case in the valve body, be equipped with the diaphragm on the case, be equipped with the clamping ring on the diaphragm, the clamping ring forms fastening structure and presss from both sides the diaphragm and forms fixedly with the case, the clamping ring is including being used for the cooperation to collude the hook portion that the piece colluded the clamping ring.
The valve body is internally provided with the valve core, the valve body and the valve core are arranged in a split mode, when the valve core of the pressure reducing valve needs to be replaced or cleaned, personnel only need to take out the valve core from the valve body, the valve core is convenient to detach, and waste caused by integral replacement of the valve body is avoided. The diaphragm is arranged on the upper portion of the valve core in a propping mode, the pressing ring is arranged on the upper portion of the diaphragm in a propping mode, the pressing ring and the valve core clamp the diaphragm to form fastening, the pressing ring, the diaphragm and the valve core are fixed together, and the valve core can be taken out after the pressing ring is taken out. The pressing ring comprises a hook part for hooking the pressing ring by matching with the hook part, the hook part is hooked to be pulled upwards to hook the pressing ring together with the valve core, so that the valve core is more convenient to disassemble, and the problem that the valve core is damaged or the clamping failure is difficult to avoid due to overlarge or overlarge clamping force when the valve core is clamped for taking out the valve core is avoided.
In the piston pressure reducing valve, the pressing ring comprises a lug, and the hook part is a through hole arranged on the side wall of the lug. The lug protrudes out of the upper top surface of the valve core, the window arranged on the side wall of the lug is higher than the upper top surface of the valve core, the pressing ring can be hooked by the hooking piece penetrating through the window to lift upwards, the valve core is hooked together, and the situation that the hooking piece is used for hooking the valve core side wall to touch the valve core side wall so as to be difficult to successfully hook or accidentally injure the valve core side wall when the hooking part and the valve core are horizontal or lower than the upper top surface of the valve core is avoided.
In the piston type pressure reducing valve, two lugs are symmetrically arranged. The hooking piece penetrates through the two symmetrical windows and is lifted upwards, so that the hooking operation is more stable and reliable.
In the piston type pressure reducing valve, the pressing ring body is cylindrical, the outer side wall of the pressing ring body and the outer side wall of the lug are arranged in the same cambered surface, and the inner side wall of the pressing ring body and the inner side wall of the lug are arranged in the same cambered surface. The pressing ring body is arranged in a cylindrical shape, so that the condition that the lug is too high and easy to fold is avoided, and the hooking operation of the hooking part by the hooking part is more stable and reliable. The force exerted by the hook piece on the hook part is always vertical upwards, the outer side wall of the pressing ring body and the outer side wall of the lug are arranged in the same cambered surface, and the inner side wall of the pressing ring body and the inner side wall of the lug are arranged in the same cambered surface, so that deformation of the pressing ring caused by the force exerted by the hooking operation on the pressing ring is avoided.
In the piston type pressure reducing valve, the valve body is cylindrical, the two sides of the valve body are respectively provided with an inlet end and an outlet end, the inlet end is inclined towards the top end of the valve body, and the outlet end is inclined towards the bottom end of the valve body. Under the condition of low pressure use, the fluctuation of the water pressure in the pressurizing valve is reduced, and the flow change in the pressure reducing valve is stabilized.
In the piston type pressure reducing valve, the valve body is further provided with a mounting hole communicated with the outlet end and a detachable blocking cap, the mounting hole is used for mounting the pressure gauge, and the blocking cap is used for sealing the mounting hole. The pressure gauge is arranged on the mounting hole, so that personnel can intuitively detect the change of the pressure value, the quality of the pressure reducing valve can be judged more conveniently, and the maintenance and replacement of the pressure reducing valve which works abnormally can be more timely. And when the pressure gauge is not required to be installed, the installation hole is sealed by the plugging cap.
In the piston type pressure reducing valve, the hook part is a hook. The pressing ring can be hooked by hooking the hook by the hooking piece to pull upwards, and the valve core is hooked together, so that the valve core is more convenient to disassemble, and the valve core is prevented from being damaged.
Compared with the prior art, the utility model has the following advantages:
1. The utility model uses the hook piece to hook the hook part so as to hook the valve core, thereby avoiding the problem that the valve core is damaged or the clamping fails due to overlarge or overlarge clamping force when the valve core is taken out for clamping operation.
2. The lug is arranged to protrude out of the upper top surface of the valve core, so that the situation that the side wall of the valve core is difficult to successfully hook or accidentally hurt due to the fact that the hooking part is touched with the side wall of the valve core by hooking operation when the hooking part and the valve core are horizontal or lower than the upper top surface of the valve core is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall assembly structure of the present piston-type pressure reducing valve.
Fig. 2 is a schematic diagram of an explosion structure of the piston type pressure reducing valve.
Fig. 3 is an overall assembled sectional view of the present piston-type pressure reducing valve.
Fig. 4 is a schematic structural view of a pressing ring of the first embodiment of the piston type pressure reducing valve.
Fig. 5 is a schematic diagram of a pressing ring of a second embodiment of the piston-type pressure reducing valve.
In the figure, 1, a valve body; 1a, a water inlet end; 1b, a water outlet end; 2. a valve core; 3. a membrane; 4. a pressing ring; 4a, a hook part; 4b, lugs; 5. a mounting hole; 6. and (5) plugging the cap.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. 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.
Embodiment one:
As shown in fig. 1, the present utility model includes a valve body 1.
As shown in fig. 2, 3 and 4, in the utility model, the valve core 2 is arranged in the valve body 1, the valve core 2 is sealed with the valve body 1 through the sealing element, and the valve core 2 and the valve body 1 are arranged in a split manner, when the valve core 2 of the pressure reducing valve needs to be replaced or cleaned, a person only needs to take out the valve core 2 from the valve body 1, so that the valve core 2 is more convenient to detach, and the waste caused by integrally replacing the valve body 1 is avoided. The diaphragm 3 is arranged on the upper side of the valve core 2 in a jacking mode, the pressing ring 4 is arranged on the upper side of the diaphragm 3 in a jacking mode, the pressing ring 4, the diaphragm 3 and the valve core 2 are sequentially and fixedly connected from top to bottom through the fixing piece, and the valve core 2 can be taken out by taking out the pressing ring 4. The pressing ring 4 comprises a hook part 4a for hooking the pressing ring 4 by matching with a hook part, the hook part 4a is hooked to be pulled upwards to hook the pressing ring 4, and the valve core 2 is hooked together, so that the valve core 2 is more convenient to detach, and the problem that the valve core 2 is damaged or the clamping failure is difficult to avoid when the valve core 2 is clamped in order to take out the valve core 2 due to overlarge or overlarge clamping force is avoided.
Specifically, the fixing member is a fixing screw penetrating the pressing ring 4.
As another way, a connecting part extending into the valve core 2 can be arranged on the pressing ring 4, and the connecting part is fixedly connected with the valve core 2 in a threaded connection, joggle connection or clamping connection way, and meanwhile, the pressing ring 4 and the valve core 2 clamp the diaphragm 3 to form a fixed connection.
The pressing ring 4 comprises a lug 4b, and the hook 4a is a through hole arranged on the side wall of the lug 4 b. The lug 4b protrudes out of the upper top surface of the valve core 2, the window arranged on the side wall of the lug 4b is higher than the upper top surface of the valve core 2, the pressing ring 4 can be hooked by lifting the hook through the window upwards, and the valve core 2 is hooked together, so that the situation that the hook is difficult to successfully hook or accidentally injure the side wall of the valve core 2 due to the fact that the hook is used for hooking when the hook 4a and the valve core 2 are horizontal or lower than the upper top surface of the valve core 2 and touch the side wall of the valve core 2.
The lugs 4b are two and symmetrically arranged. The hooking piece penetrates through the two symmetrical windows and is lifted upwards, so that the hooking operation is more stable and reliable.
The pressing ring 1 body is cylindrical, the outer side wall of the pressing ring 1 body and the outer side wall of the lug 4b are arranged in the same cambered surface, and the inner side wall of the pressing ring 1 body and the inner side wall of the lug 4b are arranged in the same cambered surface. The pressing ring 1 body is arranged in a cylindrical shape, so that the condition that the lug 4b is too high and easy to fold is avoided, and the hooking operation of the hooking part on the hooking part 4a is more stable and reliable. The force exerted by the hook piece on the hook part 4a is always vertical upwards, the outer side wall of the pressing ring 1 body and the outer side wall of the lug 4b are arranged in the same cambered surface, and the inner side wall of the pressing ring 1 body and the inner side wall of the lug 4b are arranged in the same cambered surface, so that deformation of the pressing ring 1 caused by the force exerted by the hooking operation is avoided.
The valve body 1 is cylindrical, and valve body 1 body both sides are equipped with entrance point 1a and exit point 1b respectively, and entrance point 1a inclines to valve body 1 top, and exit point 1b inclines to valve body 1 bottom. Under the condition of low pressure use, the fluctuation of the water pressure in the pressurizing valve is reduced, and the flow change in the pressure reducing valve is stabilized.
The valve body 1 is also provided with a mounting hole 5 communicated with the outlet end 1b and a detachable blocking cap 6, the mounting hole 5 is used for mounting a pressure gauge, and the blocking cap 6 is used for sealing the mounting hole 5. The pressure gauge is arranged on the mounting hole 5, so that personnel can intuitively detect the change of the pressure value, the quality of the pressure reducing valve can be judged more conveniently, and the maintenance and replacement of the pressure reducing valve which works abnormally can be more timely. And when the pressure gauge is not required to be installed, the mounting hole 5 is sealed by the plugging cap 6.
Embodiment two:
As shown in fig. 5, the technical solution in this embodiment is basically the same as that in the first embodiment, except that the hook portion 4a in this embodiment is a hook.
The pressing ring 4 can be hooked by hooking the hook by the hooking piece and pulling upwards, and the valve core 2 is hooked together, so that the valve core 2 is more convenient to disassemble, and meanwhile, the valve core 2 is prevented from being damaged.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the terms of the valve body 1, the inlet end 1a, the outlet end 1b, the valve body 2, the diaphragm 3, the pressing ring 4, the hook portion 4a, the lug 4b, the mounting hole 5, the cap 6, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (7)

1. The utility model provides a piston relief pressure valve, includes valve body (1), be equipped with case (2) in valve body (1), be equipped with diaphragm (3) on case (2), its characterized in that, be equipped with clamping ring (4) on diaphragm (3), clamping ring (4) form fastening structure and clamp diaphragm (3) and form fixedly with case (2), clamping ring (4) are including being used for the cooperation to collude hook portion (4 a) that the piece colluded clamping ring (4).
2. A piston pressure reducing valve according to claim 1, wherein the pressure ring (4) comprises a lug (4 b), and the hook (4 a) is a through hole provided in a side wall of the lug (4 b).
3. A piston pressure reducing valve according to claim 2, characterized in that the lugs (4 b) are two and symmetrically arranged.
4. A piston pressure reducing valve according to claim 3, wherein the body of the pressing ring (4) is cylindrical, the outer side wall of the pressing ring (4) and the outer side wall of the lug (4 b) are arranged in the same cambered surface, and the inner side wall of the pressing ring (4) and the inner side wall of the lug (4 b) are arranged in the same cambered surface.
5. A piston type pressure reducing valve according to claim 1, wherein the valve body (1) is cylindrical, an inlet end (1 a) and an outlet end (1 b) are respectively arranged at two sides of the valve body (1), the inlet end (1 a) is inclined towards the top end of the valve body (1), and the outlet end (1 b) is inclined towards the bottom end of the valve body (1).
6. A piston pressure reducing valve according to claim 5, wherein the valve body (1) is further provided with a mounting hole (5) for communicating with the outlet end (1 b) and a detachable blocking cap (6), the mounting hole (5) is used for mounting a pressure gauge, and the blocking cap (6) is used for sealing the mounting hole (5).
7. A piston pressure reducing valve according to claim 1, wherein the hook (4 a) is a hook.
CN202322828588.7U 2023-10-20 2023-10-20 Piston type pressure reducing valve Active CN221628945U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322828588.7U CN221628945U (en) 2023-10-20 2023-10-20 Piston type pressure reducing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322828588.7U CN221628945U (en) 2023-10-20 2023-10-20 Piston type pressure reducing valve

Publications (1)

Publication Number Publication Date
CN221628945U true CN221628945U (en) 2024-08-30

Family

ID=92496309

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322828588.7U Active CN221628945U (en) 2023-10-20 2023-10-20 Piston type pressure reducing valve

Country Status (1)

Country Link
CN (1) CN221628945U (en)

Similar Documents

Publication Publication Date Title
CN221628945U (en) Piston type pressure reducing valve
CN216112623U (en) HDPE double-wall corrugated pipe with water leakage detection function
CN205552410U (en) Extracting tool of small -size impeller
CN201574720U (en) Stopper supporting barrel
CN215201791U (en) Aircraft fuel filter dismounting device
CN213068034U (en) Quick-mounting stewart six-axis sensor
CN211398857U (en) Pipe fitting connecting structure
CN220217402U (en) Mandrel structure of pipe fitting sealing ring assembling machine
CN216604310U (en) Oil liquid filtering device
CN219224020U (en) Anti-blocking air inlet pipe for pressure gauge
CN221222552U (en) Down lamp convenient to disassemble and examine
CN218556957U (en) Carbon seal seat extraction device
CN214886963U (en) Integrated oil pipe and casing device
CN219657069U (en) Pressure gauge convenient to dismouting
CN221525412U (en) Clutch pressure plate assembly convenient to dismantle
CN221348036U (en) Tap pressure relief pipe
CN218491497U (en) Fixing device
CN211779218U (en) Safety valve of vacuum system
CN115306811B (en) Bolt with disassembling assembly
CN213743924U (en) Electric parameter intermittent oil extraction controller for oil well
CN202970594U (en) Wellhead device special for oil field fracturing
CN212027726U (en) High-pressure oil gas well logging cable sealing device
CN211779122U (en) Stable electric rubber tube valve
CN209309224U (en) It is a kind of can automatic oiling hoisting chain
CN211287729U (en) Upright post hydraulic control one-way valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant