CN210566372U

CN210566372U - Environment-friendly corrosion-resistant hard sealing seat sealing gate valve

Info

Publication number: CN210566372U
Application number: CN201921708264.7U
Authority: CN
Inventors: 梁竞; 梁璋开; 林依谋; 唐茂顺
Original assignee: FUJIAN FIRST VALVE GROUP CO LTD
Current assignee: Foster Valve Group Co.,Ltd.
Priority date: 2019-10-13
Filing date: 2019-10-13
Publication date: 2020-05-19
Anticipated expiration: 2029-10-13

Abstract

The utility model discloses a corrosion-resistant tight seat seal gate valve of environmental protection, the power distribution valve comprises a valve, the gate subassembly is installed at the inside center of valve, the through-hole has all been processed to the inside of sealed dish, the through-hole is linked together with the valve, a plurality of rubber strips are installed at the inside center of valve. This corrosion-resistant tight seat of environmental protection seals gate valve, through first carousel, the second carousel, first screw rod, the gate, the pivot, sealed dish and the cooperation between the sleeve, make and rotate the second carousel and can realize that the first carousel of drive carries out the retransmission of three multiplying powers, the problem that the gate valve of prior art is too slow in the process of opening or closing the gate completely is solved, through first slider, the second slider, the gear, the fluted disc, the second screw rod, the nut, cooperation between second bearing and the second carousel, the high position that makes mobile first slider as required fixes with the nut of screwing up, the problem that need waste energy to do the idle work when having solved if needs to carry out the accurate position of slow movement gate.

Description

Environment-friendly corrosion-resistant hard sealing seat sealing gate valve

Technical Field

The utility model relates to the technical field of valves, specifically be a gate valve is sealed to corrosion-resistant sealed seat firmly of environmental protection.

Background

The gate valve is an opening and closing member gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed, the gate valve is not suitable for different gate parameters, generally 5 degrees, and the medium temperature is 2 degrees and 52 degrees when not high, the manufacturability is improved, the deviation of the angle of a sealing surface in the processing process is compensated, the gate plate is called an elastic gate plate, although the gate valve in the prior art can be normally used, the problem that the process of fully opening or closing the gate valve is too slow exists in the using process, and meanwhile, the problem that energy is wasted to do useless work if the accurate position of the gate needs to be slowly moved still exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant sealed seat of environmental protection seals gate valve firmly to there is the gate valve in the process of opening or closing the gate completely too slow problem to the existence that proposes in solving above-mentioned background art, still exists simultaneously if need carry on the problem that the useless work is done to the extravagant energy when slow movement gate accurate position.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gate valve is sealed to corrosion-resistant sealed seat firmly of environmental protection, includes the valve, the gate assembly is installed at the inside center of valve, the flange is all installed to the outer wall left and right sides of valve, drive assembly is installed to the left side top of valve, drive assembly's below is equipped with sliding assembly, the equal rigid coupling in the inside left and right sides of lower extreme of valve has sealed dish, the inside of sealed dish is all processed there is the through-hole, the through-hole is linked together with the valve, a plurality of rubber strips are installed at the inside center of valve.

Preferably, the gate subassembly includes first screw rod, first bearing, first carousel, baffle, gate, horizontal pole and sleeve, the gate is located the inboard of two sealed dishes, closely laminate between gate and the sealed dish, the upper end rigid coupling of gate has first screw rod, first screw rod and rubber strip laminate mutually, the upper end outer wall of first screw rod is equipped with first carousel, first carousel links to each other with first screw rod screw thread, the upper end rigid coupling of first screw rod has the baffle, the lower extreme rigid coupling of first carousel has the sleeve, telescopic outer wall rotates with the valve through first bearing and links to each other, telescopic outer wall top rigid coupling has a plurality of horizontal poles.

Preferably, the left and right inclination angles of the gate and the sealing disc are consistent.

Preferably, drive assembly includes fluted disc, gear, pivot and second carousel, the inboard of fluted disc all links to each other with a plurality of horizontal poles are fixed, the below left side of fluted disc is equipped with the gear, gear and fluted disc intermeshing, the inside rigid coupling of gear has the pivot, the left end rigid coupling of pivot has the second carousel.

Preferably, the transmission ratio between the gear and the fluted disc is 3: 1.

preferably, the slip subassembly includes second slider, montant, nut, second screw rod, cushion, second bearing and first slider, the inside of first slider all rotates with the pivot through the second bearing and links to each other, first slider and valve slip joint, left side the lower extreme of first slider passes through the montant and links to each other with the second slider is fixed, second slider and valve slip joint, the left end of second slider is fixedly connected with the second screw rod, the outer wall of second screw rod is equipped with the nut, the nut links to each other with second screw rod screw thread, the right-hand member rigid coupling of nut has the cushion, the cushion closely laminates with the valve.

Compared with the prior art, the beneficial effects of the utility model are that: this gate valve is sealed to corrosion-resistant sealed seat of environmental protection, through first carousel, the second carousel, the gear, the fluted disc, first screw rod, the gate, the apparatus further comprises a rotating shaft, sealed dish and the cooperation between the sleeve, make to rotate the second carousel and can realize that the first carousel of drive carries out the retransmission of three multiplying powers, the problem that the gate valve of prior art is too slow at the process of opening or closing the gate completely is solved, through first slider, the second slider, the gear, the fluted disc, the second screw rod, the nut, cooperation between second bearing and the second carousel, the high position that makes can mobile first slider as required fixes with the nut of screwing up, the problem that need extravagant energy to do the idle work when having solved if needs to carry out slow movement gate accurate position.

Drawings

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

FIG. 2 is a schematic structural view of the valve, the fluted disc and the first screw of FIG. 1;

FIG. 3 is a schematic view of the valve, gear and second slide of FIG. 1;

fig. 4 is a schematic view of the valve, the gear and the first slider in fig. 1.

In the figure: 1. valve, 2, gate subassembly, 201, first screw rod, 202, first bearing, 203, first carousel, 204, baffle, 205, gate, 206, horizontal pole, 207, sleeve, 3, drive assembly, 301, fluted disc, 302, gear, 303, pivot, 304, second carousel, 4, sliding component, 401, second slider, 402, montant, 403, nut, 404, second screw rod, 405, cushion, 406, second bearing, 407, first slider, 5, flange, 6, through-hole, 7, sealed dish, 8, rubber strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a gate valve is sealed to corrosion-resistant sealed seat firmly of environmental protection, including valve 1, gate assembly 2 is installed at valve 1's inside center, flange 5 is all installed to valve 1's the outer wall left and right sides, 1 accessible flange 5 of valve and external piping erection, drive assembly 3 is installed to valve 1's left side top, drive assembly 3's below is equipped with sliding assembly 4, the equal rigid coupling in the inside left and right sides of valve 1's lower extreme has sealed dish 7, valve 1 can support sealed dish 7, the inside of sealed dish 7 is all processed there is through-hole 6, through-hole 6 is linked together with valve 1, can realize valve 1's inside intercommunication through-hole 6, a plurality of rubber strips 8 are installed at valve 1's inside center, valve 1 can support rubber strip.

The gate assembly 2 comprises a first screw 201, a first bearing 202, a first rotating disc 203, a baffle 204, a gate 205, a cross rod 206 and a sleeve 207, wherein the gate 205 is positioned on the inner sides of two sealing discs 7, the relative positions of the gate 205 and the sealing discs 7 are limited, the gate 205 and the sealing discs 7 are tightly attached, the sealing between the gate 205 and the sealing discs 7 is realized through the tight attachment between the gate 205 and the sealing discs 7, the upper end of the gate 205 is fixedly connected with the first screw 201, the first screw 201 can drive the gate 205 to move, the first screw 201 is attached to a rubber strip 8, the first screw 201 can move in the rubber strip 8 and ensure the relative sealing in the moving process, the first rotating disc 203 is arranged on the outer wall of the upper end of the first screw 201, the first rotating disc 203 is in threaded connection with the first screw 201, the first rotating disc 203 rotates to realize that the first screw 201 moves in the first rotating disc 203, the upper end rigid coupling of first screw rod 201 has baffle 204, baffle 204 can restrict the below extreme position of first screw rod 201, the lower extreme rigid coupling of first carousel 203 has sleeve 207, first carousel 203 can drive sleeve 207 and rotate, sleeve 207's outer wall rotates with valve 1 through first bearing 202 and links to each other, valve 1 accessible first bearing 202 rotates sleeve 207 and supports, sleeve 207's outer wall top rigid coupling has a plurality of horizontal poles 206, sleeve 207 can drive horizontal pole 206 and rotate, gate 205 is unanimous with sealed dish 7's left and right sides inclination, guarantee to realize better laminating between gate 205 and the sealed dish 7.

Drive assembly 3 includes fluted disc 301, gear 302, pivot 303 and second carousel 304, fluted disc 301's inboard all links to each other with a plurality of horizontal poles 206 is fixed, fluted disc 301 accessible horizontal pole 206 drives sleeve 207 and rotates, fluted disc 301's below left side is equipped with gear 302, gear 302 and fluted disc 301 intermeshing, gear 302 rotates and can drive fluted disc 301 and rotate, gear 302's inside rigid coupling has pivot 303, pivot 303 can drive gear 302 and rotate, the left end rigid coupling of pivot 303 has second carousel 304, second carousel 304 can drive pivot 303 and rotate, the drive ratio between gear 302 and the fluted disc 301 is 3: 1, making the gear 302 rotate one circle can drive the fluted disc 301 to rotate three circles.

The sliding assembly 4 comprises a second sliding block 401, a vertical rod 402, a nut 403, a second screw 404, a rubber pad 405, a second bearing 406 and a first sliding block 407, the inside of the first sliding block 407 is rotatably connected with the rotating shaft 303 through the second bearing 406, the first sliding block 407 can rotatably support the rotating shaft 303 through the second bearing 406, the first sliding block 407 is slidably clamped with the valve 1, the lower end of the first sliding block 407 on the left side is fixedly connected with the second sliding block 401 through the vertical rod 402, the second sliding block 401 can drive the first sliding block 407 to move through the vertical rod 402, the second sliding block 401 is slidably clamped with the valve 1, the first sliding block 407 and the second sliding block 401 can move inside the valve 1, the left end of the second sliding block 401 is fixedly connected with the second screw 404, the second sliding block 401 can drive the second screw 404 to move, the outer wall of the second screw 404 is provided with the nut 403, the nut 403 is connected with the second screw 404 through a thread, and the nut 403 can rotate on the outer wall of the second screw 404 to realize the movement, the right end of nut 403 is fixedly connected with rubber pad 405, nut 403 can drive rubber pad 405 to move, rubber pad 405 and valve 1 are tightly attached, and rubber pad 405 can realize the frictional force fastening between second screw rod 404 and valve 1.

When the environment-friendly corrosion-resistant hard sealing seat gate valve is required to be used, firstly, a user can complete the communication installation of the valve 1 and an external liquid pipeline through the flange 5, when the environment-friendly corrosion-resistant hard sealing seat gate valve is required to be used, the user can rotate the first rotary disc 203, so that the first rotary shaft 203 is matched with the first screw 201 in a threaded manner to drive the first screw 201 to lift, the first screw 201 drives the gate 205 to lift, after the matching between the gate 205 and the sealing disc 7 is removed, the valve 1 can realize the communication through the through hole 6, if the valve 1 is required to be completely opened or closed, the nut 403 can be unscrewed, the second rotary disc 304 is pulled to move upwards, the first sliding block 407 and the second sliding block 401 can both move to the uppermost direction inside the valve 1, at the moment, the gear 302 is meshed with the fluted disc 301, the nut 403 is screwed tightly to realize the height position limitation of the first sliding block 401, at the moment, the second rotary disc 304 can be rotated to drive, the second rotary disc 304 rotates for a circle to drive the first rotary shaft 203 to rotate for three circles, so that the first screw 201 can be quickly lifted, the speed of the completely opened or closed state is changed, if the rapid opening is not needed, and if the flow rate is required to be accurately adjusted, the nut 403 can be unscrewed to move the gear 302 downwards, the first rotary disc 203 is recovered to be independently driven, and the slow lifting of the gate 205 is realized.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 close seat of corrosion-resistant hard of environmental protection seals gate valve, includes valve (1), its characterized in that: gate subassembly (2) are installed at the inside center of valve (1), flange (5) are all installed to the outer wall left and right sides of valve (1), drive assembly (3) are installed to the left side top of valve (1), the below of drive assembly (3) is equipped with slip subassembly (4), the equal rigid coupling in the inside left and right sides of lower extreme of valve (1) has sealed dish (7), the inside of sealed dish (7) is all processed there is through-hole (6), through-hole (6) are linked together with valve (1), a plurality of rubber strips (8) are installed at the inside center of valve (1).

2. The environment-friendly corrosion-resistant hard seal seat seal gate valve according to claim 1, characterized in that: the gate component (2) comprises a first screw rod (201), a first bearing (202), a first rotary disc (203), a baffle (204), a gate (205), a cross rod (206) and a sleeve (207), the gate (205) is positioned on the inner sides of two sealing discs (7), the gate (205) and the sealing discs (7) are tightly attached, the upper end of the gate (205) is fixedly connected with the first screw rod (201), the first screw rod (201) is attached to a rubber strip (8), the outer wall of the upper end of the first screw rod (201) is provided with the first rotary disc (203), the first rotary disc (203) is in threaded connection with the first screw rod (201), the upper end of the first screw rod (201) is fixedly connected with the baffle (204), the lower end of the first rotary disc (203) is fixedly connected with the sleeve (207), the outer wall of the sleeve (207) is rotatably connected with the valve (1) through the first bearing (202), a plurality of cross rods (206) are fixedly connected above the outer wall of the sleeve (207).

3. The environment-friendly corrosion-resistant hard sealing seat sealing gate valve according to claim 2, characterized in that: the left and right inclination angles of the gate (205) and the sealing disc (7) are consistent.

4. The environment-friendly corrosion-resistant hard seal seat seal gate valve according to claim 1, characterized in that: drive assembly (3) include fluted disc (301), gear (302), pivot (303) and second carousel (304), the inboard of fluted disc (301) all links to each other with a plurality of horizontal poles (206) are fixed, the below left side of fluted disc (301) is equipped with gear (302), gear (302) and fluted disc (301) intermeshing, the inside rigid coupling of gear (302) has pivot (303), the left end rigid coupling of pivot (303) has second carousel (304).

5. The environment-friendly corrosion-resistant hard seal seat seal gate valve according to claim 4, characterized in that: the transmission ratio between the gear (302) and the fluted disc (301) is 3: 1.

6. the environment-friendly corrosion-resistant hard seal seat seal gate valve according to claim 1, characterized in that: the sliding component (4) comprises a second sliding block (401), a vertical rod (402), a nut (403), a second screw rod (404), a rubber pad (405), a second bearing (406) and a first sliding block (407), the inner parts of the first sliding blocks (407) are rotatably connected with the rotating shaft (303) through second bearings (406), the first sliding block (407) is clamped with the valve (1) in a sliding manner, the lower end of the first sliding block (407) on the left side is fixedly connected with the second sliding block (401) through a vertical rod (402), the second sliding block (401) is in sliding clamping connection with the valve (1), the left end of the second sliding block (401) is fixedly connected with a second screw rod (404), the outer wall of the second screw rod (404) is provided with a nut (403), the nut (403) is in threaded connection with the second screw rod (404), the right end rigid coupling of nut (403) has cushion (405), cushion (405) and valve (1) are closely laminated.