CN218094334U

CN218094334U - High-temperature high-pressure double-gate-plate gate valve

Info

Publication number: CN218094334U
Application number: CN202222071558.1U
Authority: CN
Inventors: 黄圣贤; 杨柏; 王雯晶; 杨武全
Original assignee: Zhenjiang Chemical Instruments And Electrical Appliances Co ltd
Current assignee: Zhenjiang Chemical Instruments And Electrical Appliances Co ltd
Priority date: 2022-08-06
Filing date: 2022-08-06
Publication date: 2022-12-20
Anticipated expiration: 2032-08-06

Abstract

The utility model relates to a high temperature high pressure double-gate board gate valve, including the double-gate board gate valve body, the last fixed surface of double-gate board gate valve body has the hand wheel that the double-gate board gate valve body of control opened or closed, the outside of double-gate board gate valve body is fixed with the closure case, the upper surface of closure case is equipped with the closing mechanism who is used for sealing the closure case, the last fixed surface of closure case has fixed case, the left side wall of fixed incasement chamber is fixed with first spring, first spring right side is fixed with the push pedal. This high temperature high pressure double-gate board gate valve seals the closed box through the closing gate under closing mechanism's effect, makes the double-gate board gate valve body people can not miss when not using and touch the hand wheel to avoided the hand wheel mistake to touch and lead to the double-gate board gate valve body accident to open or close, and then guaranteed can not cause the unnecessary loss, improved high temperature high pressure double-gate board gate valve's practicality and convenience greatly.

Description

High-temperature high-pressure double-gate-plate gate valve

Technical Field

The utility model relates to a double-gate board gate valve technical field specifically is a high temperature high pressure double-gate board gate valve.

Background

The double-gate valve is suitable for being used as closed-circuit equipment on pipelines with water and sewage as media, is not allowed to be used for flow regulation and evacuation, is widely applied to industries such as petroleum, chemical engineering, pharmacy, electric power and the like, is used for opening and closing pipelines with steam, water, oil and other media with nominal pressure of zero one MPa, and comprises a parallel double-gate valve, a parallel single-gate valve, an open-stem parallel double-gate valve and an open-stem parallel single-gate valve.

Chinese patent CN 212480191U discloses a high-temperature and high-pressure double-gate-plate gate valve, which relates to the field of gate valves and aims to solve the problems of poor high-temperature and high-pressure resistance and general use strength of the existing double-gate-plate gate valve in the prior art, wherein two gates are arranged on two sides below the interior of a valve body, connecting plates are arranged on one sides of the two gates, a pressing plate is arranged between the two connecting plates, a connecting pipe is arranged in the pressing plate, a first through hole is arranged in the gate, a second through hole is arranged in the connecting plate, elastic blocks are arranged at the upper end and the lower end of the connecting pipe, pressure springs are arranged at the upper end and the lower end of each elastic block, connecting pieces are arranged at the upper end and the lower end of each pressure spring, clamping blocks are arranged on two sides of each pressing plate, the limiting plate is installed to the preceding terminal surface of connecting plate, the connecting axle is installed to the top of clamp plate, the externally mounted of valve body has flange, the outside of flashboard is provided with seal ring, and high temperature high pressure double-gate board gate valve is controlled through the hand wheel in the use and is closed and open, can produce wearing and tearing when the hand wheel uses after a period, wearing and tearing can lead to the clearance grow between hand wheel and the high temperature high pressure double-gate board gate valve when too much, make the hand wheel become to rotate easily, need not to exert too much power at this moment and can rotate the hand wheel, just can make the high temperature high pressure double-gate board gate valve accident close or open when touch the hand wheel carelessly, thereby cause the unnecessary loss, therefore high temperature high pressure double-gate board gate valve needs regular maintenance in the use, in order to ensure the safe handling of high temperature high pressure double-gate board gate valve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high temperature high pressure double-disc gate valve possesses and prevents that the hand wheel from being touched advantages such as by mistake, has solved the hand wheel not hard up back and has been touched by mistake and lead to the unexpected problem of opening or closing of high temperature high pressure double-disc gate valve.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature and high-pressure double-gate-plate gate valve comprises a double-gate-plate gate valve body, wherein a hand wheel for controlling the double-gate-plate gate valve body to open or close is fixed on the upper surface of the double-gate-plate gate valve body, a closing box is fixed on the outer side of the double-gate-plate gate valve body, and a closing mechanism for closing the closing box is arranged on the upper surface of the closing box;

a fixed box is fixed on the upper surface of the closed box, a first spring is fixed on the left side wall of the inner cavity of the fixed box, a push plate is fixed on the right side of the first spring, a sliding block is connected inside the closed box in a sliding manner, a closed door is fixed on the upper surface of the sliding block, a handle is fixed on the upper surface of the closed door, and a stop block positioned on the left side of the sliding block is fixed on the lower surface of the closed door;

and the upper surface of the fixed box is provided with a positioning component for fixing the closing door.

Furthermore, the upper surface of the closed box is provided with a sliding groove, the sliding block is in clearance fit with the closed box through the sliding groove, the sliding block is T-shaped, and the height of the stop block is larger than that of the sliding block.

Further, the fixed box is hollow inside and the right side lacks the cuboid, and the length of the closed door is greater than that of the closed box.

Further, the locating component is including fixing the location case at fixed case upper surface, the roof of location incasement chamber is fixed with the second spring, the lower fixed surface of second spring has a limiting plate, the lower fixed surface of limiting plate has the locating piece, the upper surface of limiting plate is fixed with the locating lever that is located the inside of second spring, the upper surface of location case is fixed with the fixed plate, the inside sliding connection of fixed plate has the gag lever post, the left side of gag lever post is fixed with the ejector pad, the right-hand member of gag lever post is fixed with the movable block, the right side of movable block is fixed with the stopper of pegging graft in the locating lever inside.

Furthermore, the upper surface of the closed door is provided with a positioning groove, the positioning block is inserted in the positioning groove, the lower surface of the positioning block is fixed with a rubber pad, and the upper surface of the fixing box is provided with a positioning hole for the positioning block to penetrate through and is in clearance fit with the fixing box through the positioning hole.

Furthermore, a limiting groove is formed in the left side of the positioning rod, the limiting block is connected in the limiting groove in an inserting mode, a limiting hole for penetrating through the limiting rod is formed in the left side of the fixing plate, and the limiting hole is in clearance fit with the fixing plate.

Further, the shape of location case is the cuboid of inside cavity and lower surface disappearance, limiting plate sliding connection is in the location case, the upper surface of location case is seted up and is provided with the through-hole that runs through for the locating lever, and through-hole and location case clearance fit.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this high temperature high pressure double-gate board gate valve seals the closed box through the closing gate under closing mechanism's effect, makes the double-gate board gate valve body people can not miss when not using and touch the hand wheel to avoided the hand wheel mistake to touch and lead to the double-gate board gate valve body accident to open or close, and then guaranteed can not cause the unnecessary loss, improved high temperature high pressure double-gate board gate valve's practicality and convenience greatly.

2. This high temperature high pressure double-gate board gate valve makes its unable removal about to the closed door location through the locating piece under positioning assembly's effect to guarantee the stability when closed door closed box, fix the locating lever in the eminence and do not fall after opening the closed door through the stopper simultaneously, thereby make the user of service can convenient and fast close the closed door after having used up the hand wheel.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the closing mechanism of the present invention;

fig. 3 is a schematic view of the positioning assembly of the present invention.

In the figure: the gate valve comprises a gate valve body 1 with double gate plates, a closing box 2, a closing mechanism 3, a closing door 301, a handle 302, a push plate 303, a first spring 304, a fixed box 305, a stop 306, a slide block 307, a positioning box 308, a positioning rod 309, a limited block 310, a movable block 311, a limited rod 312, a push block 313, a fixed plate 314, a second spring 315, a limited plate 316, a positioning block 317 and a hand wheel 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1, the high-temperature and high-pressure double-gate-plate gate valve in the embodiment includes a double-gate-plate gate valve body 1, where the double-gate-plate gate valve body 1 is a common double-gate-plate gate valve suitable for high-temperature and high-pressure in the market, a hand wheel 4 for controlling the opening or closing of the double-gate-plate gate valve body 1 is fixed on an upper surface of the double-gate-plate gate valve body 1, a closing box 2 is fixed on an outer side of the double-gate-plate gate valve body 1, and a closing mechanism 3 for closing the closing box 2 is arranged on an upper surface of the closing box 2.

Referring to fig. 2, in order to prevent the handwheel 4 from being touched by mistake when not in use, a fixed box 305 is fixed on the upper surface of the closed box 2 in this embodiment, a first spring 304 is fixed on the left side wall of an inner cavity of the fixed box 305, a push plate 303 is fixed on the right side of the first spring 304, a slider 307 is slidably connected inside the closed box 2, a closed door 301 is fixed on the upper surface of the slider 307, a handle 302 is fixed on the upper surface of the closed door 301, a stopper 306 located on the left side of the slider 307 is fixed on the lower surface of the closed door 301, when the closed door 301 is released, the first spring 304 pushes the push plate 303 to the right side through a rebound force and pushes the closed door 301 to the right side through the push plate 303, when the handwheel 4 is completely exposed, a user can use the handwheel directly, when the handwheel 4 is completely exposed, the user needs to grasp the handle 302 to pull the handle 302 to the right side, and drive the closed door 301 to move to the right side through the handle 302 until the stopper 306 is attached to the right side wall of the inner cavity of the closed box 2.

The upper surface of the closed box 2 is provided with a sliding chute, the sliding block 307 is in clearance fit with the closed box 2 through the sliding chute, the sliding block 307 is T-shaped, the closed door 301 is prevented from being separated from the closed box 2 upwards through the T-shaped sliding block 307, the height of the stop block 306 is larger than that of the sliding block 307, the stop block 306 higher than the sliding block 307 is used for preventing the closed door 301 from being separated from the closed box 2 when moving rightwards, the fixed box 305 is hollow, the right side of the fixed box 305 is missing, the closed door 301 is connected in the fixed box 305 in a sliding mode, and the length of the closed door 301 is larger than that of the closed box 2.

Can see out closing mechanism 3 and seal closed box 2 through closing door 301, make double-gate board gate valve body 1 people can not miss when not using and touch hand wheel 4 to avoided hand wheel 4 mistake to touch and lead to double-gate board gate valve body 1 to open or close by accident.

Referring to fig. 3, in order to fix the closing door 301, in this embodiment, a positioning assembly for fixing the closing door 301 is disposed on an upper surface of the fixing box 305, the positioning assembly includes a positioning box 308 fixed on an upper surface of the fixing box 305, a second spring 315 is fixed on a top wall of an inner cavity of the positioning box 308, a limiting plate 316 is fixed on a lower surface of the second spring 315, a positioning block 317 is fixed on a lower surface of the limiting plate 316, a positioning rod 309 located inside the second spring 315 is fixed on an upper surface of the limiting plate 316, a fixing plate 314 is fixed on an upper surface of the positioning box 308, a limiting rod 312 is slidably connected inside the fixing plate 314, a pushing block 313 is fixed on a left side of the limiting rod 312, a movable block 311 is fixed on a right end of the limiting rod 312, a limiting block 310 inserted inside the positioning rod 309 is fixed on a right side of the movable block 311, the positioning rod 309 is fixed at a high position after the closing door 301 is opened by the limiting block 310, so that a user does not need to continuously pull the positioning rod 309 when the closing door 301, thereby greatly improving work efficiency of the worker.

The positioning groove is formed in the upper surface of the closed door 301, the positioning block 317 is inserted into the positioning groove to position the closed door 301 so that the closed door 301 cannot move left and right, and therefore the closed box 2 cannot be opened under the condition without manual operation, and further the possibility that the hand wheel 4 is touched by mistake is avoided.

Therefore, the positioning assembly positions the closing door 301 through the positioning block 317 so that the closing door 301 cannot move left and right, stability of the closing door 301 when the closing box 2 is closed is guaranteed, and meanwhile, the positioning rod 309 is fixed at a high position through the limiting block 310 after the closing door 301 is opened so that the closing door 301 can be conveniently and rapidly closed by a user after the hand wheel 4 is used.

The working principle of the embodiment is as follows:

(1) After the hand wheel 4 is used, the handle 302 is grasped to pull to the left side, the handle 302 drives the closing door 301 to move to the left side, the closing door 301 drives the stop block 306 to move to the left side to separate from the right side wall of the inner cavity of the closing box 2, meanwhile, the sliding block 307 is driven to slide to the left side, the closing door 301 continues to push to the left side after moving to the left side to be attached to the push plate 303, the push plate 303 is pushed to the left side by the closing door 301, the first spring 304 is extruded by the push plate 303, when the first spring 304 is compressed to the shortest, the stop block 306 is attached to the left side wall of the inner cavity of the closing box 2, the closing mechanism 3 seals the closing box 2 through the closing door 301, people cannot mistakenly touch the hand wheel 4 when the double-gate valve body 1 is not used, and therefore accidental opening or closing of the double-gate valve body 1 caused by mistaken touch of the hand wheel 4 is avoided.

(2) After the stop block 306 is attached to the left side wall of the inner cavity of the closed box 2, the push block 313 is grasped to pull to the left side, the push block 313 drives the limiting rod 312 to move to the left side, the limiting rod 312 drives the movable block 311 to move to the left side, the limiting block 310 moves to the left side along with the movable block 311 and is separated from the positioning groove and the positioning rod 309, at the moment, the second spring 315 pushes the limiting plate 316 downwards through the rebound force, the limiting plate 316 drives the positioning rod 309 to slide downwards and drives the positioning block 317 to move downwards, the positioning block 317 penetrates through the positioning hole and is inserted into the positioning groove in the closed door 301, the closed box 2 can be closed, the positioning assembly positions the closed door 301 through the positioning block 317 to enable the closed door 301 to move leftwards and rightwards, stability of the closed box 2 when the closed door 301 is closed is ensured, and the positioning rod 309 is fixed at a high place to not fall after the closed door 301 is opened through the limiting block 310, and therefore a user can conveniently and quickly close the closed door 301 after using the handwheel 4.

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. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a high temperature high pressure double-disc gate valve, includes double-disc gate valve body (1), its characterized in that: a hand wheel (4) for controlling the opening or closing of the double-gate-plate gate valve body (1) is fixed on the upper surface of the double-gate-plate gate valve body (1), a closing box (2) is fixed on the outer side of the double-gate-plate gate valve body (1), and a closing mechanism (3) for closing the closing box (2) is arranged on the upper surface of the closing box (2);

a fixed box (305) is fixed on the upper surface of the closed box (2), a first spring (304) is fixed on the left side wall of an inner cavity of the fixed box (305), a push plate (303) is fixed on the right side of the first spring (304), a sliding block (307) is connected inside the closed box (2) in a sliding manner, a closed door (301) is fixed on the upper surface of the sliding block (307), a handle (302) is fixed on the upper surface of the closed door (301), and a stop block (306) located on the left side of the sliding block (307) is fixed on the lower surface of the closed door (301);

the upper surface of the fixed box (305) is provided with a positioning component for fixing the closing door (301).

2. A high temperature and high pressure double gate disc gate valve according to claim 1, wherein: the upper surface of the closed box (2) is provided with a sliding groove, the sliding block (307) is in clearance fit with the closed box (2) through the sliding groove, the sliding block (307) is T-shaped, and the height of the stop block (306) is larger than that of the sliding block (307).

3. A high temperature and high pressure double gate valve according to claim 1, wherein: the fixed box (305) is hollow inside and a cuboid with a missing right side, and the length of the closed door (301) is larger than that of the closed box (2).

4. A high temperature and high pressure double gate disc gate valve according to claim 1, wherein: the locating component is including fixing locating box (308) at fixed case (305) upper surface, the roof of locating box (308) inner chamber is fixed with second spring (315), the lower fixed surface of second spring (315) has limiting plate (316), the lower fixed surface of limiting plate (316) has locating piece (317), the upper surface of limiting plate (316) is fixed with locating lever (309) that is located second spring (315) inside, the upper surface of locating box (308) is fixed with fixed plate (314), the inside sliding connection of fixed plate (314) has gag lever post (312), the left side of gag lever post (312) is fixed with ejector pad (313), the right-hand member of gag lever post (312) is fixed with movable block (311), the right side of movable block (311) is fixed with stopper (310) of pegging graft in locating lever (309) inside.

5. The high-temperature high-pressure double-disc gate valve according to claim 4, wherein: the upper surface of the closed door (301) is provided with a positioning groove, the positioning block (317) is inserted into the positioning groove, the lower surface of the positioning block (317) is fixed with a rubber pad, the upper surface of the fixing box (305) is provided with a positioning hole for the positioning block (317) to penetrate through, and the positioning hole is in clearance fit with the fixing box (305).

6. The high-temperature high-pressure double-disc gate valve according to claim 4, wherein: the left side of locating lever (309) has seted up the spacing groove, stopper (310) are pegged graft in the spacing groove, the left side of fixed plate (314) is seted up and is provided with the spacing hole that runs through for gag lever post (312), and through spacing hole and fixed plate (314) clearance fit.

7. A high temperature and high pressure double gate valve according to claim 4, wherein: the shape of location case (308) is the cuboid of inside cavity and lower surface disappearance, limiting plate (316) sliding connection is in location case (308), the upper surface of location case (308) is seted up and is provided with the through-hole that runs through for locating lever (309), and through-hole and location case (308) clearance fit.