CN114658871A - Multistage sealing refrigeration valve - Google Patents

Multistage sealing refrigeration valve Download PDF

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Publication number
CN114658871A
CN114658871A CN202210151894.9A CN202210151894A CN114658871A CN 114658871 A CN114658871 A CN 114658871A CN 202210151894 A CN202210151894 A CN 202210151894A CN 114658871 A CN114658871 A CN 114658871A
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China
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sealing
groove
fixedly connected
plate
seted
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CN202210151894.9A
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Chinese (zh)
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何婧
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Individual
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • F16K1/38Valve members of conical shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/46Attachment of sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00Spindle sealings
    • F16K41/02Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/04Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)

Abstract

The invention relates to the technical field of refrigeration valves and discloses a multistage sealing refrigeration valve which comprises a pipe body, wherein the center of the top of the pipe body is provided with an installation groove, the periphery of the bottom of the installation groove is provided with first threaded grooves, and the outer surface of the center of the bottom of the installation groove is provided with a first sealing groove. The sealing device is used in cooperation with the two second sealing rings, secondary sealing operation can be performed on the device, the sealing performance of the device is improved, the elastic ribs are used, expansion and contraction phenomena can occur on the second sealing rings, the second sealing rings can be reset through elasticity of the second sealing rings, gaps are prevented from occurring at the sealing positions due to the expansion and contraction phenomena, the sealing performance of the device is improved, the mounting plate is used, the two second sealing rings can be fixed in the third sealing groove through bolts, the second sealing rings are prevented from being separated, and the sealing performance of the device is further improved.

Description

Multi-stage sealing refrigeration valve
Technical Field
The invention relates to the technical field of refrigeration valves, in particular to a multi-stage sealing refrigeration valve.
Background
The refrigerating valve is a small-flow, hard-sealing and normally closed electromagnetic valve, and can be used for defrosting, flow direction control and on-off control of refrigerating system. When the coil in the refrigeration valve is electrified, a magnetic field is generated to drive the iron core, the valve is opened by the movement of the iron core, and the resetting action of the valve is completed by utilizing the gravity of the valve core and the elastic force of the spring arranged at the top of the valve core.
The refrigeration valve is placed in the lower operational environment of temperature mostly on the market at present, then make the internal working environment and the external environment temperature of refrigeration valve differ great, and then in the longer time of refrigeration valve application or, its inside sealing washer can be because of expend with heat and contract with cold's a short time, make the volume of sealing washer change, thereby make sealed position gap appear, and then influenced the leakproofness of equipment, and the in-process of refrigeration valve at the installation on the market at present, mostly all be through the welded mode, with controlling means, sealing device and body are connected, and then prevent that equipment from appearing the gas-liquid leakage phenomenon, but the use of this mode, when making the inside sealing washer of equipment appear damaging, be difficult to change work to the sealing washer, and then long when having influenced the use of equipment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-stage sealing refrigeration valve which has the advantages of high-efficiency sealing and detachable replacement of a sealing ring, and solves the problems explained above.
The invention provides the following technical scheme: the utility model provides a multistage sealed refrigeration valve, includes the body, the mounting groove has been seted up at the center at body top, first thread groove has all been seted up all around to the mounting groove bottom, first seal groove has been seted up to the surface at mounting groove bottom center, the internal surface swing joint of mounting groove has sealing device, sealing device's top swing joint has drive arrangement, the equal fixedly connected with flange in both sides of body, the central fixedly connected with closing plate of body inner chamber, the second seal groove has been seted up at the center at closing plate top.
Preferably, the sealing device comprises a ring plate, a central fixedly connected with partition plate on the inner surface of the ring plate, springs are fixedly connected to the top and the bottom of the partition plate, a movable rod is movably connected to the inner surface of the partition plate, a limiting plate is fixedly connected to the top and the bottom of the movable rod, a sealing block is fixedly connected to the bottom of the movable rod, and a connecting plate is fixedly connected to the top and the bottom of the ring plate.
Preferably, the number of the connecting plates is two, one the outer fixed surface at the center of the bottom of the connecting plate is connected with a first sealing ring, the outer surface of the first sealing ring is matched with the inner surface of the first sealing groove, two the outer surface of the connecting plate is provided with a second thread groove, and the second thread groove is positioned right above the first thread groove.
Preferably, two one side that the circle board was kept away from to the connecting plate all sets up limited groove, the third seal groove has been seted up to one side that the limited groove is close to the circle board, the internal surface swing joint of third seal groove has the elasticity muscle, one side fixedly connected with second sealing washer that the elasticity muscle is close to the circle board center, the internal surface swing joint in limited groove has the mounting panel, the third thread groove has all been seted up to the surface of mounting panel.
Preferably, the driving device comprises a protection plate, the top of the protection plate is fixedly connected with a hydraulic press, the output end of the hydraulic press is fixedly connected with a hydraulic rod, and the bottom of the hydraulic rod is fixedly connected with a push plate.
Preferably, the outer surface of the bottom of the protection plate is provided with a fourth thread groove, and the fourth thread groove is located right above the second thread groove.
Preferably, the top of the movable rod penetrates through the connecting plate and extends to the inside of the protection plate, the bottom of the movable rod penetrates through the connecting plate and extends to the inside of the pipe body, and the outer surface of the sealing block is matched with the inner surface of the second sealing groove.
Compared with the prior art, the invention has the following beneficial effects:
1. this multistage sealed refrigeration valve, cooperation through protection shield and connecting plate is used, can let the user fix drive arrangement and sealing device through the bolt, and seting up of first thread groove, make sealing device and body can utilize the bolt to carry out fixed connection, then make equipment wholly connect, and its dismantlement mode is simple swift, and then the handling efficiency of equipment has been improved, wherein seting up of first seal groove, make first sealing washer can seal the junction between sealing device and the body and work, and then prevent the gas-liquid leakage phenomenon, thereby the leakproofness after the improvement equipment loading and unloading.
2. This multistage sealed refrigeration valve uses through the cooperation of baffle and limiting plate, can prescribe a limit to the displacement of movable rod, prevents then that the movable rod from leading to appearing breaking away from the phenomenon because the displacement overlength to improve the protectiveness of equipment, wherein the use of spring can cushion the protection work to limiting plate, and then prevents that limiting plate from appearing the collision damage phenomenon, thereby has improved limiting plate's life.
3. The multistage sealing refrigeration valve can perform secondary sealing work on equipment by matching the two second sealing rings, so that the sealing property of the equipment is improved, wherein the elastic ribs can perform reset work on the second sealing rings through the elasticity of the elastic ribs when the second sealing rings expand with heat and contract with cold, so that the second sealing rings are prevented from generating gaps at the sealing positions due to the expansion with heat and contract with cold, the sealing property of the equipment is improved, the mounting plate can be used for fixing the two second sealing rings in the third sealing groove through bolts, so that the separation phenomenon of the second sealing rings is prevented, the sealing property of the equipment is further improved, because the sealing device can be detached from the pipe body and the driving device, and the mounting plate can be detached, so that the second sealing rings can be replaced when the two second sealing rings are damaged, thereby improving the service life of the whole equipment.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged top view of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of the center of FIG. 2 according to the present invention;
fig. 5 is a top cross-sectional view of a structural seal of the present invention.
In the figure: 1. a tube body; 2. a sealing device; 201. a ring plate; 202. a partition plate; 203. a spring; 204. a limiting plate; 205. a movable rod; 206. a sealing block; 207. a connecting plate; 208. a first seal ring; 209. an elastic rib; 210. a second seal ring; 211. mounting a plate; 3. a drive device; 31. a protection plate; 32. a hydraulic press; 33. a hydraulic lever; 34. pushing the plate; 4. a flange; 5. and (7) sealing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, fig. 2 and fig. 3, a multistage sealing refrigeration valve, including a pipe body 1, a mounting groove has been seted up at the center at the top of the pipe body 1, the setting up of mounting groove, make connecting plate 207 of bottom can carry out joint work with the pipe body 1, first thread groove has all been seted up around the mounting groove bottom, the setting up of first thread groove and second thread groove, make the user carry out fixed connection with connecting plate 207 after the joint with pipe body 1 through the bolt, first seal groove has been seted up to the surface at mounting groove bottom center, the setting up of first seal groove, can carry out joint work to first sealing washer 208.
Wherein the internal surface swing joint of mounting groove has sealing device 2, sealing device 2's top swing joint has drive arrangement 3, drive arrangement 3 is including protection shield 31, the fourth thread groove has been seted up to the surface of protection shield 31 bottom, seting up of fourth thread groove and second thread groove, make the user can carry out fixed connection through connecting plate 207 and protection shield 31 at bolt with the top, the fourth thread groove is located directly over the second thread groove, the top fixedly connected with hydraulic press 32 of protection shield 31, the operation hydraulic press 32, make hydraulic stem 33 carry out concertina movement, the output fixedly connected with hydraulic stem 33 of hydraulic press 32, concertina movement's hydraulic stem 33, make push pedal 34 reciprocate, the bottom fixedly connected with push pedal 34 of hydraulic stem 33.
Wherein the equal fixedly connected with flange 4 in both sides of body 1, the use of flange 4 can be so that the whole equipment carries out threaded connection with external pipeline, the central fixedly connected with closing plate 5 of body 1 inner chamber, the use of closing plate 5 can carry out check to liquid and keep off the work, the second seal groove has been seted up at the center at closing plate 5 top, the seting up of second seal groove for sealed piece 206 can carry out joint work with closing plate 5.
Referring to fig. 4 and 5, the sealing device 2 includes a ring plate 201, a partition plate 202 is fixedly connected to the center of the inner surface of the ring plate 201, the partition plate 202 is used to limit the position of a limiting plate 204, and then limit a movable rod 205 through the limiting plate 204, springs 203 are fixedly connected to the top and bottom of the partition plate 202, and the springs 203 can perform buffering protection work on the limiting plate 204 when the movable rod 205 moves up and down, so as to prevent the limiting plate 204 from being damaged.
Wherein the internal surface swing joint of baffle 202 has movable rod 205, the inside that connecting plate 207 extends to protection shield 31 is run through to the top of movable rod 205, extend to the inside movable rod 205 of protection shield 31, can reciprocate when push pedal 34 reciprocates, reciprocate, the inside that connecting plate 207 extends to body 1 is run through to the bottom of movable rod 205, extend to the inside movable rod 205 of body 1 for sealed piece 206 is located the inside of body 1, the surface looks adaptation of the surface of sealed piece 206 and the internal surface of second seal groove.
Wherein the equal fixedly connected with of surface of movable rod 205 top and bottom limits board 204, with movable rod 205 fixed connection's limit board 204 for movable rod 205 when reciprocating, self can reciprocate, and the bottom fixedly connected with of movable rod 205 seals piece 206, when sealed piece 206 carries out the joint with the second seal groove, can keep apart work to liquid through closing plate 5, makes the inside liquid of body 1 stop flowing.
Wherein the top and the bottom of the ring plate 201 are both fixedly connected with two connecting plates 207, the outer surface of the center of the bottom of one connecting plate 207 is fixedly connected with a first sealing ring 208, when the first sealing ring 208 is clamped in the first sealing groove, the joint of the connecting plate 207 and the mounting groove can be sealed, and then gas-liquid leakage can be prevented, the outer surface of the first sealing ring 208 is matched with the inner surface of the first sealing groove, the outer surfaces of the two connecting plates 207 are both provided with second thread grooves which are positioned right above the first thread grooves, one sides of the two connecting plates 207 far away from the ring plate 201 are both provided with limiting grooves, one sides of the limiting grooves close to the ring plate 201 are provided with third sealing grooves, the inner surfaces of the third sealing grooves are movably connected with elastic ribs 209, when the second sealing rings 210 become larger or smaller due to thermal expansion and cold contraction, the elastic ribs 209 can enable the second sealing rings 210 to reset through the reaction force thereof, then prevent the inside gap that appears of equipment, elastic rib 209 is close to one side fixedly connected with second sealing washer 210 at circle board 201 center, second sealing washer 210 can seal the removal notch of movable rod 205, then prevent that the gas-liquid from appearing leaking the phenomenon, the internal surface swing joint in restriction groove has mounting panel 211, fix the mounting panel 211 at restriction inslot portion, can prescribe a limit to second sealing washer 210, then prevent that second sealing washer 210 from breaking away from the phenomenon, the third thread groove has all been seted up to mounting panel 211's surface, the seting up of third thread groove, make the user can fix the inside at restriction groove with mounting panel 211 through the bolt.
Operating principle, cooperation through protection shield 31 and connecting plate 207 is used, can let the user fix drive arrangement 3 and sealing device 2 through the bolt, and seting up of first thread groove, make sealing device 2 and body 1 can utilize the bolt to carry out fixed connection, then make equipment wholly connect, and its dismantlement mode is simple swift, and then the handling efficiency of equipment has been improved, wherein seting up of first seal groove, make first sealing washer 208 can carry out sealing operation with the junction between sealing device 2 and the body 1, and then prevent the gas-liquid leakage phenomenon, thereby leakproofness after the improve equipment loading and unloading. Through the cooperation of baffle 202 and limiting plate 204, can restrict the work to the displacement of movable rod 205, prevent then that the movable rod 205 from leading to appearing breaking away from the phenomenon because the displacement overlength to the protectiveness of equipment has been improved, wherein the use of spring 203 can cushion the protection work to limiting plate 204, and then prevents limiting plate 204 from appearing the collision damage phenomenon, thereby has improved limiting plate 204's life. Through the matching use of the two second sealing rings 210, the secondary sealing work can be carried out on the equipment, and then the sealing performance of the equipment is improved, wherein the elastic ribs 209 can reset the second sealing rings 210 through the elasticity of the elastic ribs when the second sealing rings 210 expand with heat and contract with cold, so that the sealing position of the second sealing rings 210 is prevented from generating gaps due to the expansion with heat and contraction with cold, and the sealing performance of the equipment is improved, and the mounting plate 211 is used, the two second sealing rings 210 can be fixed in the third sealing groove through bolts, so that the separation phenomenon of the second sealing rings 210 is prevented, the sealing performance of the equipment is further improved, because the sealing device 2 can be detached from the pipe body 1 and the driving device 3, and the mounting plate 211 can be detached, and then when the two second sealing rings 210 are damaged, the second sealing rings 210 can be replaced, thereby improving the service life of the whole equipment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a multistage sealed refrigeration valve, includes body (1), its characterized in that: the mounting groove has been seted up at the center at body (1) top, first thread groove has all been seted up all around to the mounting groove bottom, first seal groove has been seted up to the surface at mounting groove bottom center, the internal surface swing joint of mounting groove has sealing device (2), the top swing joint of sealing device (2) has drive arrangement (3), the equal fixedly connected with flange (4) in both sides of body (1), the central fixedly connected with closing plate (5) of body (1) inner chamber, the second seal groove has been seted up at the center at closing plate (5) top.
2. The multi-stage sealing refrigeration valve of claim 1, wherein: sealing device (2) is including circle board (201), the central fixedly connected with baffle (202) of circle board (201) internal surface, the top and the equal fixedly connected with spring (203) in bottom of baffle (202), the internal surface swing joint of baffle (202) has movable rod (205), the equal fixedly connected with of surface of movable rod (205) top and bottom limit plate (204), the bottom fixedly connected with seal block (206) of movable rod (205), the top and the equal fixedly connected with connecting plate (207) in bottom of circle board (201).
3. The multi-stage sealing refrigeration valve of claim 2, wherein: the quantity of connecting plate (207) is two, one the outer surface fixed connection at connecting plate (207) bottom center has first sealing washer (208), the surface of first sealing washer (208) and the internal surface looks adaptation of first seal groove, two the second thread groove has all been seted up to the surface of connecting plate (207), the second thread groove is located first thread groove directly over.
4. The multi-stage sealing refrigeration valve of claim 3, wherein: two one side that circle board (201) were kept away from in connecting plate (207) all sets up a definite groove, the third seal groove has been seted up to one side that the definite groove is close to circle board (201), the internal surface swing joint of third seal groove has elastic rib (209), one side fixedly connected with second sealing washer (210) that elastic rib (209) are close to circle board (201) center, the internal surface swing joint in definite groove has mounting panel (211), the third thread groove has all been seted up to the surface of mounting panel (211).
5. The multi-stage sealing refrigeration valve of claim 2, wherein: the driving device (3) comprises a protection plate (31), the top of the protection plate (31) is fixedly connected with a hydraulic press (32), the output end of the hydraulic press (32) is fixedly connected with a hydraulic rod (33), and the bottom of the hydraulic rod (33) is fixedly connected with a push plate (34).
6. The multi-stage sealing refrigeration valve of claim 5, wherein: and a fourth thread groove is formed in the outer surface of the bottom of the protection plate (31), and the fourth thread groove is positioned right above the second thread groove.
7. The multi-stage sealing refrigeration valve of claim 6, wherein: the top of movable rod (205) runs through connecting plate (207) and extends to the inside of protection shield (31), the bottom of movable rod (205) runs through connecting plate (207) and extends to the inside of body (1), the surface of sealed piece (206) and the internal surface looks adaptation of second seal groove.
CN202210151894.9A 2022-02-18 2022-02-18 Multistage sealing refrigeration valve Pending CN114658871A (en)

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CN202210151894.9A CN114658871A (en) 2022-02-18 2022-02-18 Multistage sealing refrigeration valve

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CN202210151894.9A CN114658871A (en) 2022-02-18 2022-02-18 Multistage sealing refrigeration valve

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CN114658871A true CN114658871A (en) 2022-06-24

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CN113431948A (en) * 2021-08-26 2021-09-24 徐州金宸制冷设备有限公司 Multistage sealing refrigeration valve
CN113803471A (en) * 2021-08-17 2021-12-17 曾俊 Multistage sealing refrigeration valve

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FR2291423A1 (en) * 1974-11-15 1976-06-11 Kupfer Asbest Co SEALING PISTON FOR OPERATING CYLINDER
US20090194168A1 (en) * 2004-07-30 2009-08-06 Gl Tool & Manufacturing Company, Inc. Valve
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TW201350719A (en) * 2012-04-23 2013-12-16 Ckd Corp Linear actuator and vacuum control device
WO2014003214A1 (en) * 2012-06-26 2014-01-03 주식회사 에이치케이밸브 Watertight shaft housing structure for butterfly valve
DE102013002452A1 (en) * 2013-02-12 2014-08-14 Festo Ag & Co. Kg Fluidic device e.g. fluid-actuated cylinder for controlling fluid flow valve, has sealing sleeve whose wall thickness in force introduction region is lowered based on wall thickness increased axially in both directions
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KR20150004364U (en) * 2014-05-27 2015-12-07 박미순 an angle valve
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WO2019048179A1 (en) * 2017-09-06 2019-03-14 Zf Friedrichshafen Ag Piston-cylinder unit
US20190383419A1 (en) * 2018-06-19 2019-12-19 Jiangsu Suyan Valve Machinery Co.,Ltd Anti-leakage self-sealing valve
CN110005863A (en) * 2019-04-12 2019-07-12 徐育平 A kind of fire extinguisher valve control structure
CN210890152U (en) * 2019-11-21 2020-06-30 天津沃得斯阀门有限公司 Butterfly valve with ear clip soft valve seat
CN110848437A (en) * 2019-12-23 2020-02-28 昆山莱恒洁净材料有限公司 Diaphragm type pressure reducing valve capable of allowing high pressure to enter and low pressure to exit
US20210285548A1 (en) * 2020-03-13 2021-09-16 Dana Automotive Systems Group, Llc Valve Stem Seal and Assembly
CN112178211A (en) * 2020-09-03 2021-01-05 湖北三江航天红峰控制有限公司 Ultralow-temperature electromagnetic pneumatic stop valve
CN213271084U (en) * 2020-10-13 2021-05-25 北京冠龙阀门厂 Groove type soft sealing gate valve
CN213711913U (en) * 2020-11-14 2021-07-16 恒通阀门有限责任公司 Pipeline valve of high leakproofness
CN112856075A (en) * 2020-12-31 2021-05-28 江苏益诚精密器件科技有限公司 Fluid connector with sealing ring protection structure
CN113803471A (en) * 2021-08-17 2021-12-17 曾俊 Multistage sealing refrigeration valve
CN113431948A (en) * 2021-08-26 2021-09-24 徐州金宸制冷设备有限公司 Multistage sealing refrigeration valve

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