CN114635984B - Stable formula stop valve that pushes down - Google Patents

Stable formula stop valve that pushes down Download PDF

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Publication number
CN114635984B
CN114635984B CN202210277011.9A CN202210277011A CN114635984B CN 114635984 B CN114635984 B CN 114635984B CN 202210277011 A CN202210277011 A CN 202210277011A CN 114635984 B CN114635984 B CN 114635984B
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CN
China
Prior art keywords
valve
partition plate
rod
inclined partition
valve body
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Application number
CN202210277011.9A
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Chinese (zh)
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CN114635984A (en
Inventor
韩昱
王麒雄
安德春
黄博远
邓博远
郭琰林
滕远
范德利
高子钰
韩尚
董家宇
韩栋
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Jiangsu Jiangyuan Machinery Co ltd
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Jiangsu Jiangyuan Machinery Co ltd
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Priority to CN202210277011.9A priority Critical patent/CN114635984B/en
Publication of CN114635984A publication Critical patent/CN114635984A/en
Application granted granted Critical
Publication of CN114635984B publication Critical patent/CN114635984B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/56—Mechanical actuating means without stable intermediate position, e.g. with snap action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Lift Valve (AREA)

Abstract

The invention relates to the field of petroleum valves, in particular to a stable pressing type stop valve. The utility model provides a stabilize formula stop valve that pushes down, includes the valve body to and set up the valve clack of control stop valve switching in the valve body, and be four arcs of annular setting on the valve clack. The valve flap comprises a valve flap body, and is characterized by further comprising ten fonts arranged on the lower side of the valve flap, wherein the ten fonts are connected with the four arc-shaped plates. The valve body is characterized by further comprising a flat partition plate, an inclined partition plate II and an inclined partition plate I, wherein the inclined partition plate II and the inclined partition plate I are arranged on the left side and the right side of the flat partition plate respectively, the left side of the inclined partition plate II and the left side of the inclined partition plate I are inclined downwards, and the flat partition plate, the inclined partition plate II and the inclined partition plate I are arranged in the valve body and divide the valve body into two spaces. The valve clack is arranged on the upper side of the conical cylinder, and the four arc plates are vertically connected to the conical cylinder in a sliding manner. The press-down closing can be stabilized.

Description

Stable formula stop valve that pushes down
Technical Field
The invention relates to the field of petroleum valves, in particular to a stable downward-pressing stop valve.
Background
The opening and closing part of the stop valve is a plug-shaped valve clack, the upper surface of the seal is a plane or a sea cone surface, and the valve clack moves linearly along the central line of the valve seat. The movement form of the valve rod, also a lifting rotating rod type, can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. When the transmission stop valve presses down for sealing, if the transmission stop valve is unstable during movement, the situation of poor sealing can occur.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the stable downward-pressing stop valve which has the beneficial effect that the stop valve can be closed stably by downward pressing.
The utility model provides a stabilize formula stop valve that pushes down, includes the valve body to and set up the valve clack of control stop valve switching in the valve body, and be four arcs of annular setting on the valve clack.
The valve flap comprises a valve flap body and is characterized by further comprising ten fonts arranged on the lower side of the valve flap body, wherein the ten fonts are connected with the four arc-shaped plates.
The valve body is characterized by further comprising a flat partition plate, an inclined partition plate II and an inclined partition plate I, wherein the inclined partition plate II and the inclined partition plate I are arranged on the left side and the right side of the flat partition plate respectively, the left side of the inclined partition plate II and the left side of the inclined partition plate I are inclined downwards, and the flat partition plate, the inclined partition plate II and the inclined partition plate I are arranged in the valve body and divide the valve body into two spaces.
Still including setting up the awl section of thick bamboo on the flat separator, the valve clack setting is in the upside of awl section of thick bamboo, and the vertical sliding connection of four arcs is on a awl section of thick bamboo.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a first schematic structural view of a stable push-down stop valve;
FIG. 2 is a second schematic structural view of a stable push-down stop valve;
FIG. 3 is a third schematic structural view of a stable push-down stop valve;
FIG. 4 is a first schematic structural diagram of a valve body;
FIG. 5 is a second schematic structural view of the valve body;
FIG. 6 is a first schematic structural diagram of a valve flap;
FIG. 7 is a second schematic view of the structure of the valve flap;
FIG. 8 is a first schematic structural view of the cap, the valve stem and the cross-post;
fig. 9 is a structural schematic diagram two of the cap, the valve stem and the cross post.
In the figure: a valve body 101; an upper barrel 102; a swash plate I103; a buffer rib 104; a flat partition plate 105; a cone 106; a swash plate II107; concentric annular ribs 108;
a valve flap 201; a guide bar 202; a fixed barrel 203; an arcuate plate 204; ten fonts 205;
a cap 301; an insert barrel 302; a conduit 303;
a valve stem 401; a baffle 402; a gate 403; a rotor 404; threads 405; a handwheel 406;
a cross post 501; a wafer 502; a plug 503; a spring rod 504; a fixed seat 505; a telescoping rod 506; a track rod 507; an L-shaped stop 508; a plunger 509.
Detailed Description
As shown in fig. 1-9, this example solves the problem of ensuring the tightness of the shut-off valve,
the utility model provides a stabilize formula stop valve that pushes down, includes valve body 101 to and set up the valve clack 201 of control stop valve switching in valve body 101, and be four arcs 204 of annular setting on valve clack 201. Valve clack 201 can be vertical slip on valve body 101, and then control opening and closing of stop valve, because be provided with four arcs 204 on the valve clack 201, four arcs 204 can guarantee that valve clack 201 slides from top to bottom through four arcs 204 are stable, and then makes the stable push down of stop valve sealed, guarantees that the stop valve is sealed tight.
As shown in fig. 1-9, this example solves the problem of having four arcuate plates 204 that do not deform,
the stable push-down stop valve further comprises a cross-shaped body 205 arranged on the lower side of the valve clack 201, and the cross-shaped body 205 is connected with the four arc-shaped plates 204. Ten fonts 205 can be connected with four arc-shaped plates 204 and the valve body 101 into a whole, so that the ten fonts 205, the four arc-shaped plates 204 and the valve body 101 are stably fixed together, the four arc-shaped plates 204 cannot deform, and the stability of the valve clack 201 in pressing down is further improved.
As shown in fig. 1 to 9, this example solves the problem of dividing the valve body 101 into two spaces,
the stable push-down stop valve further comprises a flat partition plate 105, and an inclined partition plate II107 and an inclined partition plate I103 which are respectively arranged on the left side and the right side of the flat partition plate 105, wherein the left sides of the inclined partition plate II107 and the left sides of the inclined partition plate I103 are inclined downwards, and the flat partition plate 105, the inclined partition plate II107 and the inclined partition plate I103 are arranged in the valve body 101 and divide the valve body 101 into two spaces. The valve flap 201 slides vertically on the flat partition 105, and controls the closing of the shutoff valve, when the valve flap 201 presses down on the flat partition 105, the shutoff valve is closed, and the liquid flows from the right side of the valve body 101 to the left side of the valve body 101, that is, the liquid flows from the space on the right side of the valve body 101 to the space on the left side of the valve body 101.
As shown in fig. 1-9, this example solves the problem of improving the sealing effect between the valve flap 201 and the cone 106,
the stable push-down stop valve further comprises a conical cylinder 106 arranged on the flat partition plate 105, the valve clack 201 is arranged on the upper side of the conical cylinder 106, and the four arc-shaped plates 204 are vertically connected to the conical cylinder 106 in a sliding mode. The valve clack 201 is the back taper, and awl section of thick bamboo 106 is the cylindric of back taper, presses the valve clack 201 of back taper on the cylindric awl section of thick bamboo 106 of back taper and has promoted the sealed effect between valve clack 201 and the awl section of thick bamboo 106 to the valve clack 201 presses the power of a awl section of thick bamboo 106 big more, and sealed effect is better, and the pressure of the liquid that the stop valve can bear is big more.
As shown in fig. 1-9, this example solves the problem of increasing the strength of the swash plate II107 and I103,
the stable push-down stop valve further comprises a plurality of buffer ribs 104 arranged on the right side of the inclined partition plate II107 and the inclined partition plate I103. The plurality of buffer ribs 104 can mute the sound of the liquid flow when the liquid in the right space of the valve body 101 flows therethrough, and enhance the strength of the oblique partition plates II107 and I103.
As shown in fig. 1 to 9, this example solves the problem of preventing damage to the valve body 101 caused by excessive impact to the valve body 101,
the stable push-down stop valve further comprises a concentric ring ridge 108 arranged in the valve body 101 and above the inclined partition plate II 107. When the valve is just opened, liquid flows from the lower side of the conical cylinder 106 to the upper side of the conical cylinder 106, and the concentric annular ribs 108 buffer the flushed liquid, so that the valve body 101 is prevented from being damaged due to excessive impact on the valve body 101.
As shown in fig. 1-9, this example addresses the problem of facilitating inspection or repair of the interior of the valve body 101,
the stable push-down stop valve further comprises an upper barrel 102 arranged in the middle of the upper side of the valve body 101, and a cover cap 301 screwed on the upper barrel 102. The cap 301 is detachable from the upper cylinder 102, and the inside of the valve body 101 can be easily observed or repaired after the upper cylinder 102 is detached.
As shown in fig. 1-9, this example solves the problem of controlling the up and down movement of the flap 201,
the stable push-down stop valve further comprises a fixed cylinder 203 arranged on the upper side of the valve clack 201, a valve rod 401 rotatably connected to the cover cap 301, a rotating sheet 404 fixed to the lower end of the valve rod 401, a rotating sheet 404 rotatably connected to the fixed cylinder 203, and a door-shaped part 403 fixedly connected to the upper side of the valve clack 201, wherein the door-shaped part 403 is blocked above the rotating sheet 404, and the valve rod 401 penetrates through the rotating sheet 404. When the valve rod 401 moves up and down, the flap piece 404 can drive the door-shaped part 403 and the valve clack 201 to move up and down, and further control the valve clack 201 to move up and down, and when the valve rod 401 rotates by taking the axis of the valve rod 401 as the axis, the flap piece 404 is driven to rotate, and the flap piece 404 can rotate by taking the axis of the valve rod 401 as the axis in the fixed cylinder 203.
As shown in fig. 1-9, this example addresses the problem of stability when the poppet flap 201 is depressed,
the stable push-down stop valve further comprises two guide rods 202 arranged on the upper side of the valve clack 201 and two guide pipes 303 arranged on the lower side of the cap 301, and the two guide pipes 303 are respectively connected with the two guide rods 202 in a sliding mode. The valve clack 201 drives the two guide rods 202 to lift when moving up and down, the two guide rods 202 can vertically slide on the two guide pipes 303, and therefore the valve clack 201 is kept vertical when moving vertically, and the stability of the valve clack 201 when pressing down is improved.
As shown in fig. 1-9, this example solves the problem of precisely controlling the opening and closing of the shut-off valve by means of threads 405,
stabilize formula stop valve down, still including setting up the screw thread 405 in the middle part of valve rod 401 to and set up the spreader 501 at block 301 upside, valve rod 401 cooperatees with spreader 501 through the screw thread. When driving valve rod 401 uses the axis of self to rotate as the axle, because the setting of screw thread 405 for valve rod 401 reciprocates for 501 posts relatively, and then through the switching of screw thread 405 accurate control stop valve, and screw thread 405 can guarantee that valve rod 401 can the auto-lock, makes the position of screw thread 405 fixed easily.
The stable downward-pressing stop valve further comprises a baffle 402, a handwheel 406, a wafer 502, an inserting column 503, a spring rod 504, a fixed seat 505, an expansion link 506, a track rod 507, an L-shaped baffle 508 and an inserting rod 509, wherein the upper side of the cap 301 is fixedly connected with two inserting cylinders 302, the lower side of the cross column 501 is fixedly connected with two inserting rods 509, the two inserting rods 509 are respectively connected to the two inserting cylinders 302 in a sliding manner, the fixed seat 505 is fixedly connected to the upper side of the valve body 101, the upper side of the fixed seat 505 is fixedly connected with the spring rod 504, the left part of the cross column 501 is vertically connected to the spring rod 504 in a sliding manner, the upper side of the spring rod 504 is fixedly connected with the wafer 502, a compression spring is sleeved on the spring rod 504 and arranged between the cross column 501 and the wafer 502, the left part of the cross column 501 is inserted with the inserting column 503, the inserting column 503 can be inserted in the middle of the spring rod 504, the expansion link 506 is fixedly connected to the upper side of the fixed seat 505, the expansion link 506 is positioned below the cross column 504, the upper end position of the thread 405 on the baffle 402 is fixedly connected to the right end of the track rod 507 of the cross column 501, the L-shaped baffle 508 is fixedly connected to the right end of the L-shaped baffle 508, the L-shaped baffle 508 is connected to the L-shaped baffle 508, the L-shaped baffle 508 is fixedly connected to the track rod 501, the L-shaped baffle 508, the valve rod is fixedly connected to the L-shaped baffle 508, and the track rod 401, and the L-shaped baffle 508, and the screw is fastened on the track rod 401.
When the inserting column 503 is inserted on the spring rod 504, the cross column 501 is fixed on the spring rod 504, and then the hand wheel 406 is screwed to drive the valve rod 401 to rotate, so that the opening and closing of the stop valve can be accurately controlled through the thread 405; when the valve is rapidly controlled to be opened and closed by hand, the L-shaped stopper 508 is moved leftwards on the track rod 507, so that the L-shaped stopper 508 is pressed on the upper side of the baffle 402, at this time, the relative position between the valve rod 401 and the cross column 501 is fixed, at this time, the plug column 503 is pulled out to contact with the fixation between the cross column 501 and the spring rod 504, so that the cross column 501 can vertically slide on the spring rod 504, the compression spring on the spring rod 504 gives the downward pressing force to the cross column 501, so that the cross column 501 drives the valve rod 401 and the valve flap 201 to move downwards, the valve flap 201 is pressed on the conical cylinder 106 to close the valve, at this time, when the telescopic rod 506 is driven to extend, the cross column 501 can be pushed upwards, so that the cross column 501 moves upwards, the valve flap 201 is rapidly opened by extending the telescopic rod 506, but the mode of rapidly opening the valve flap 201 causes the pressure born by the valve to be insufficient, and the valve can be used when the valve needs to be rapidly opened.

Claims (2)

1. The utility model provides a stabilize formula stop valve that pushes down which characterized in that: the stop valve comprises a valve body (101), a valve clack (201) arranged in the valve body (101) and used for controlling the stop valve to open and close, and four arc-shaped plates (204) annularly arranged on the valve clack (201);
the valve flap (201) is characterized by further comprising ten fonts (205) arranged on the lower side of the valve flap (201), wherein the cross-shaped bodies (205) are connected with the four arc-shaped plates (204);
the valve body is characterized by further comprising a flat partition plate (105), and an inclined partition plate II (107) and an inclined partition plate I (103) which are respectively arranged on the left side and the right side of the flat partition plate (105), wherein the left sides of the inclined partition plate II (107) and the inclined partition plate I (103) incline downwards, and the flat partition plate (105), the inclined partition plate II (107) and the inclined partition plate I (103) are arranged in the valve body (101) and divide the valve body (101) into two spaces;
the valve flap (201) is arranged on the upper side of the conical cylinder (106), and the four arc-shaped plates (204) are vertically connected to the conical cylinder (106) in a sliding manner;
the buffer device also comprises a plurality of buffer ribs (104) arranged on the right sides of the inclined partition plates II (107) and the inclined partition plates I (103);
the valve also comprises a concentric ring rib (108) which is arranged in the valve body (101) and is arranged above the inclined partition plate II (107);
the valve also comprises an upper barrel (102) arranged in the middle of the upper side of the valve body (101), and a cover cap (301) connected to the upper barrel (102) through a screw;
the valve further comprises a fixed cylinder (203) arranged on the upper side of the valve clack (201), a valve rod (401) rotatably connected to the cover cap (301), a rotary vane (404) fixed to the lower end of the valve rod (401), the rotary vane (404) is rotatably connected to the fixed cylinder (203), a door-shaped part (403) fixedly connected to the upper side of the valve clack (201), the door-shaped part (403) is blocked above the rotary vane (404), and the valve rod (401) penetrates through the rotary vane (404);
the valve further comprises two guide rods (202) arranged on the upper side of the valve clack (201), and two guide pipes (303) arranged on the lower side of the cover cap (301), wherein the two guide pipes (303) are respectively connected with the two guide rods (202) in a sliding manner;
the valve rod (401) is matched with the cross column (501) through threads.
2. A stable push-down stop valve as defined in claim 1, wherein: the stable downward-pressing stop valve further comprises a blocking piece (402), a hand wheel (406), a disc (502), an inserted column (503), a spring rod (504), a fixing seat (505), a telescopic rod (506), a track rod (507), an L-shaped blocking piece (508) and an inserted rod (509), wherein the upper side of the cover cap (301) is fixedly connected with two inserted cylinders (302), the lower side of the cross column (501) is fixedly connected with two inserted rods (509), the two inserted rods (509) are respectively connected onto the two inserted cylinders (302) in a sliding manner, the fixing seat (505) is fixedly connected onto the upper side of the valve body (101), the upper side of the fixing seat (505) is fixedly connected with the spring rod (504), the left part of the cross column (501) is vertically connected onto the spring rod (504) in a sliding manner, the disc (502) is fixedly connected onto the upper side of the spring rod (504), a compression spring is sleeved on the spring rod (504), the compression spring is arranged between the cross column (501) and the disc (502), the left part of the cross column (501) is inserted with the inserted column (503), the inserted column (503) can be inserted into the middle part of the spring rod (504), the inserted column (506), the inserted column (505) is fixedly connected onto the upper end of the fixed rod (401), the telescopic rod (405) is positioned below the telescopic rod (401), track pole (507) fixed connection is at the right-hand member of spreader (501), L shape keeps off piece (508) sliding connection on spreader (501), L shape keeps off piece (508) and can slide and keep off the upside at separation blade (402), L shape keeps off threaded connection has fastening screw on piece (508), fastening screw can press on track pole (507) and fix L shape fender piece (508) on track pole (507), hand wheel (406) are fixed in the upper end of valve rod (401).
CN202210277011.9A 2022-03-21 2022-03-21 Stable formula stop valve that pushes down Active CN114635984B (en)

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Application Number Priority Date Filing Date Title
CN202210277011.9A CN114635984B (en) 2022-03-21 2022-03-21 Stable formula stop valve that pushes down

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Application Number Priority Date Filing Date Title
CN202210277011.9A CN114635984B (en) 2022-03-21 2022-03-21 Stable formula stop valve that pushes down

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CN114635984A CN114635984A (en) 2022-06-17
CN114635984B true CN114635984B (en) 2022-12-13

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Publication number Priority date Publication date Assignee Title
CN115282301A (en) * 2022-08-26 2022-11-04 青岛澳柯玛生物医疗有限公司 Sealed self-locking steam sterilizer

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CN205689768U (en) * 2016-06-12 2016-11-16 浙江力诺流体控制科技股份有限公司 Practical single-seat valve
CN210372060U (en) * 2019-06-12 2020-04-21 浙江阳达阀门有限公司 Anti-backflow stop valve
CN211474881U (en) * 2019-11-26 2020-09-11 东台市远洋船舶配件有限公司 Low-abrasion stop valve
CN212131326U (en) * 2020-04-28 2020-12-11 苏州嘉乐威新材料股份有限公司 Connect blowing valve soon

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