CN211082902U

CN211082902U - Blind plate valve

Info

Publication number: CN211082902U
Application number: CN201921881635.1U
Authority: CN
Inventors: 王文芳; 于爱华
Original assignee: Shandong Lulin Valve Co ltd
Current assignee: Shandong Lulin Valve Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-24
Anticipated expiration: 2029-11-04

Abstract

A blind plate valve belongs to the technical field of blind plate valves. The method is characterized in that: the valve comprises valve bodies (1), mounting plates (5) and valve plates (3), wherein the two valve bodies (1) are arranged side by side at intervals, a clamping mechanism is arranged between the two valve bodies (1), the mounting plates (5) are arranged between the two valve bodies (1) in a swinging manner, the two valve plates (3) are symmetrically arranged at two sides of the mounting plates (5), one valve plate is a blind plate, the other valve plate is a through hole plate, and sealing rings (6) used for sealing the valve bodies (1) are arranged at two sides of each valve plate (3); the valve plate (3) is detachably connected with the mounting plate (5), and a locking mechanism is arranged between each valve plate (3) and the mounting plate (5). When the sealing ring is replaced, the blind plate valve can be used for rapidly detaching the valve plate and replacing the valve plate in a place without coal gas, so that potential safety hazards are eliminated, danger to a human body is reduced, the sealing ring is replaced rapidly, and the time for replacing the sealing ring is shortened.

Description

Blind plate valve

Technical Field

A blind plate valve belongs to the technical field of blind plate valves.

Background

The blind plate valve generally comprises a valve body, a valve plate and a lead screw, the lead screw rotates to enable the two valve bodies to be loosened, the valve plate rotates to complete the switching of the working state, then the lead screw rotates reversely to clamp, the switching of the opening and closing actions of the blind plate valve is completed, and the valve plate and the valve body are sealed through a sealing ring. Because the sealing ring belongs to a quick-wear part and needs to be replaced periodically, a valve plate of a blind plate valve used in the market can not be detached, when the sealing ring is damaged and replaced, the sealing ring can only be replaced on site, and because the blind plate valve is usually applied to a gas pipeline and has gas on site, the potential safety hazard is large when the sealing ring is replaced on site, and personal danger is easily caused.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the blind plate valve overcomes the defects of the prior art, is convenient to disassemble, enables the valve plate to be replaced quickly and conveniently, and further is convenient to replace a sealing ring and free of potential safety hazards.

The utility model provides a technical scheme that its technical problem adopted is: this blind plate valve, its characterized in that: the valve comprises two valve bodies, a mounting plate and valve plates, wherein the two valve bodies are arranged side by side at intervals, a clamping mechanism is arranged between the two valve bodies, the mounting plate is arranged between the two valve bodies in a swinging manner, the two valve plates are symmetrically arranged at two sides of the mounting plate, one valve plate is a blind plate, the other valve plate is a through hole plate, and two sides of each valve plate are provided with sealing rings for sealing with the valve bodies;

the valve plate is detachably connected with the mounting plate, and a locking mechanism is arranged between each valve plate and the mounting plate.

Preferably, locking mechanism including setting up latch segment and the locating piece on the valve plate, latch segment and locating piece set up along the circumferencial direction interval of valve plate, are provided with the curved installation department of middle part indent on the mounting panel, are provided with the location mouth in the installation department, in the locating piece stretched into the location mouth that corresponds the side, link to each other through the locking bolt between latch segment and the mounting panel.

Preferably, the mounting plate is provided with a connecting piece in a swinging manner, the locking bolt is in threaded connection with the connecting piece, the locking block is U-shaped, and the locking bolt is clamped in the locking block and is fastened to the valve plate on the corresponding side.

Preferably, a positioning mechanism is arranged between each valve plate and the mounting plate.

Preferably, the positioning mechanism comprises a positioning groove arranged on the valve plate, the plane of the positioning groove is perpendicular to the axis of the valve plate, and the corresponding side of the mounting plate extends into the positioning groove of the valve plate.

Preferably, two end faces of each valve plate are symmetrically provided with mounting grooves for mounting sealing rings.

Preferably, the mounting groove is tapered from the bottom to the opening.

Preferably, the clamping mechanism comprises a screw rod, threads with different turning directions are arranged at two ends of the screw rod, two ends of the screw rod are respectively in threaded connection with the valve bodies on the corresponding sides, and nuts for locking the valve bodies on the corresponding sides are further arranged at two ends of the screw rod.

Preferably, the clamping mechanism comprises a lead screw, the lead screw is fixedly connected with any one valve body through a nut, and the lead screw is in threaded connection with the other valve body.

Preferably, the clamping mechanisms are arranged at intervals around the valve body, and the mounting plate is arranged on any one of the clamping mechanisms in a swinging mode.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. the valve plate of this blind plate valve is connected with detachable between the mounting panel to through locking mechanism locking, when changing the sealing washer, can pull down the valve plate fast, and change in the place that does not have coal gas, eliminated the potential safety hazard, also reduced the danger that causes the people body moreover, the sealing washer is changed fast, has reduced the time that the sealing washer was changed.

2. The locating piece and the locating hole are matched, the locating of the valve plate is achieved, the locking bolt locks the locking block and is matched with the locating piece, the valve plate is locked in the circumferential direction, the locking is firm, the locking can be achieved through the bolt, and the valve plate is convenient to disassemble.

3. The locking block is U-shaped, so that the locking block and the locking bolt can be quickly disassembled and assembled, and the disassembly can be completed within 10 s.

4. The positioning mechanism can position the valve plate, and avoids the relative displacement between the valve plate and the mounting plate in the use process to influence the sealing effect between the valve plate and the valve body.

5. The corresponding side of mounting panel stretches into in the constant head tank of valve plate to fix a position the valve plate on the axis direction, guarantee that the valve plate is firm with the mounting panel fastening, avoid taking place relative displacement between mounting panel and the valve plate.

6. The two end surfaces of the valve plate are respectively provided with a mounting groove for mounting the sealing ring, so that the mounting of the sealing ring is convenient, and the positioning of the sealing ring is accurate; the seal groove is conical, so that firm installation of the seal ring is ensured, and leakage caused by looseness of the seal ring is avoided.

7. The fastening between two valve bodies is realized through the screw rod, and the fastening is convenient.

8. The clamping mechanism is arranged in a plurality of intervals around the valve body, so that the sealing reliability between the valve body and the valve plate is ensured.

Drawings

Fig. 1 is a schematic front view of a blind plate valve.

Fig. 2 is a left side schematic view of a blind plate valve.

FIG. 3 is a schematic view of the connection of the valve plate to the mounting plate.

Fig. 4 is a front view schematically showing the valve plate.

FIG. 5 is a front cross-sectional schematic view of a valve plate.

In the figure: 1. valve body 101, connecting plate 2, lead screw 3, valve plate 301, latch segment 302, locating piece 303, mounting groove 304, constant head tank 4, locking bolt 5, mounting panel 501, location mouth 6, sealing washer.

Detailed Description

Fig. 1 to 5 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 5.

A blind plate valve comprises valve bodies 1, mounting plates 5 and valve plates 3, wherein the two valve bodies 1 are arranged side by side at intervals, a clamping mechanism is arranged between the two valve bodies 1, the mounting plates 5 are arranged between the two valve bodies 1 in a swinging mode, the valve plates 3 are provided with two blocks which are symmetrically arranged on two sides of the mounting plates 5, one of the two blocks is a blind plate, the other block is a through hole plate, and sealing rings 6 used for sealing the valve bodies 1 are arranged on two sides of each valve plate 3; the valve plate 3 is detachably connected with the mounting plate 5, and a locking mechanism is arranged between each valve plate 3 and the mounting plate 5. Detachable is connected between valve plate 3 and the mounting panel 5 of this blind plate valve to through locking mechanism locking, when changing sealing washer 6, can pull down valve plate 3 fast, and change in the place that does not have coal gas, eliminated the potential safety hazard, also reduced the danger that causes the people body moreover, sealing washer 6 is changed fast, has reduced the time that sealing washer 6 was changed.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Specifically, the method comprises the following steps: as shown in FIGS. 1-2: the valve body 1 has two that set up side by side, and two parallel and intervals of valve body 1 set up, and the middle part of two valve bodies 1 all is provided with the valve opening, and the coaxial setting of valve opening of two valve bodies 1.

The clamping mechanism has at least two at intervals around the valve body 1, and in this embodiment, the clamping mechanism has three at intervals around the valve body 1. Three connecting plates 101 are uniformly distributed at intervals around the side part of each valve body 1, and the clamping mechanism is arranged between the corresponding connecting plates 101 in the two valve bodies 1.

Clamping mechanism includes

lead screw

2, and 2 one ends of lead screw pass through nut and the connecting plate 101 fixed connection of a valve body 1, the other end and the connecting plate 101 threaded connection of another valve body 1 to realized compressing tightly and unclamping of two valve bodies 1. The both ends of lead screw 2 can also set up the screw thread of turning to the difference, and the both ends of lead screw 2 respectively with the connecting plate 101 threaded connection of the valve body 1 who corresponds the side, rotate lead screw 2 and can realize that two valve body 1 remove to opposite direction in step, and then realized the clamp of two valve body 1 tightly with unclamp, the both ends of every lead screw 2 all are provided with and are used for the nut to the locking of corresponding side valve body 1, avoid in the use valve body 1 not hard up.

The valve plate 3 has two of symmetry setting in mounting panel 5 both sides, and one of them valve plate 3 is the blind plate, and another valve plate 3 is the through hole board, and the both sides of every valve plate 3 all are provided with sealing washer 6. The mounting plate 5 is provided with a sleeve, the screw rod 2 on the upper part of the sleeve is rotatably connected, and the valve plate 3 synchronously swings along with the mounting plate 5. When the blind plate swings to between two valve bodies 1 and is aligned with the valve hole of the valve body 1, the blind plate valve is in a turn-off state, when the through hole plate swings to between the two valve bodies 1 and is aligned with the valve holes on the two valve bodies 1, the blind plate valve is in a turn-on state at the moment.

As shown in FIGS. 3-4: the mounting plate 5 is fan-shaped, and the mounting plate 5 and the sleeve are coaxially arranged. The both sides symmetry of mounting panel 5 is provided with the convex installation department of middle part indent, and valve plate 3 installs on the installation department of corresponding side, and valve plate 3 sets up with the installation department of corresponding side is coaxial. The central angle that the installation department corresponds is less than 180 to make things convenient for the dismouting of valve plate 3.

The locking mechanism comprises a locking block 301 and a positioning block 302 which are arranged on the valve plate 3, the locking block 301 and the positioning block 302 are arranged along the radial direction of the valve plate 3, the locking block 301 and the positioning block 302 are connected with the outer edge of the valve plate 3, the locking block 301 is arranged on the upper side of the valve plate 3, and the positioning block 302 is arranged on the lower portion of the valve plate 3 close to one side of the mounting plate 5. All be provided with on every installation department with the locating piece 302 matched with of corresponding side location mouth 501, the width of location mouth 501 is greater than the width of locating piece 302 to make things convenient for locating piece 302 to stretch into in the location mouth 501. The locking block 301 is connected with the mounting plate 5 through the locking bolt 4, and the axis of the locking bolt 4 is coplanar with the valve plate 3, so that the locking block is matched with the positioning block 302 to fix the valve plate 3.

The latch segment 301 is "U" shape that the opening faces upwards, be provided with the connecting piece on the mounting panel 5, the connecting piece rotates with mounting panel 5 to be connected, locking bolt 4 and connecting piece threaded connection, locking bolt 4 card is gone into in the opening of latch segment 301, and to locking between latch segment 301 and the mounting panel 5, through can realizing the fastening of valve plate 3 with locking bolt 4, only need during the dismantlement loosen locking bolt 4 can, and locking bolt 4 need not pull down, it is convenient to make locking bolt 4 dismantle.

As shown in fig. 5: all be provided with annular mounting groove 303 on two terminal surfaces of every valve plate 3, mounting groove 303 and the coaxial setting of valve plate 3, every mounting groove 303 is the toper by bottom to opening narrowing gradually, and seal ring 6 is close to one side of valve plate 3 and installs in the mounting groove 303 that corresponds the side, has both made things convenient for seal ring 6's location installation, has guaranteed again that seal ring 6 installs firmly, avoids seal ring 6 not hard up to arouse to leak.

Be provided with positioning mechanism between valve plate 3 and the mounting panel 5, positioning mechanism is including setting up constant head tank 304 on valve plate 3, the plane at constant head tank 304 place is perpendicular with the axis of valve plate 3, constant head tank 304 sets up on the outer edge that valve plate 3 is close to mounting panel 5 one side, the width of constant head tank 304 equals or is a bit bigger than mounting panel 5's thickness, mounting panel 5's the side that corresponds stretches into in the constant head tank 304, thereby accomplished the axial location of valve plate 3, guarantee that 3 installations of valve plate are firm reliable.

When sealing washer 6 damaged, loosen corresponding valve plate 3's locking bolt 4, then pull down valve plate 3, the dismantlement of valve plate 3 can be accomplished in 10s, and it is convenient quick to dismantle. After the valve plate 3 is detached, the sealing ring 6 is moved to a place without gas to be replaced, so that harm to a human body is reduced.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A blind plate valve is characterized in that: the valve comprises valve bodies (1), mounting plates (5) and valve plates (3), wherein the two valve bodies (1) are arranged side by side at intervals, a clamping mechanism is arranged between the two valve bodies (1), the mounting plates (5) are arranged between the two valve bodies (1) in a swinging manner, the two valve plates (3) are symmetrically arranged at two sides of the mounting plates (5), one valve plate is a blind plate, the other valve plate is a through hole plate, and sealing rings (6) used for sealing the valve bodies (1) are arranged at two sides of each valve plate (3);

the valve plate (3) is detachably connected with the mounting plate (5), and a locking mechanism is arranged between each valve plate (3) and the mounting plate (5).

2. The blind plate valve according to claim 1, wherein: locking mechanism including setting up latch segment (301) and locating piece (302) on valve plate (3), the circumferencial direction interval of valve plate (3) is followed to latch segment (301) and locating piece (302) sets up, is provided with the curved installation department of middle part indent on mounting panel (5), is provided with location mouth (501) in the installation department, in locating piece (302) stretched into location mouth (501) that correspond the side, link to each other through locking bolt (4) between latch segment (301) and mounting panel (5).

3. The blind plate valve according to claim 2, wherein: the connecting piece is arranged on the mounting plate (5) in a swinging mode, the locking bolt (4) is in threaded connection with the connecting piece, the locking block (301) is U-shaped, and the locking bolt (4) is clamped into the locking block (301) and is fastened to the valve plate (3) on the corresponding side.

4. The blind plate valve according to any one of claims 1 to 3, wherein: and a positioning mechanism is arranged between each valve plate (3) and the mounting plate (5).

5. The blind plate valve according to claim 4, wherein: the positioning mechanism comprises a positioning groove (304) arranged on the valve plate (3), the plane where the positioning groove (304) is located is perpendicular to the axis of the valve plate (3), and the corresponding side of the mounting plate (5) extends into the positioning groove (304) of the valve plate (3).

6. The blind plate valve according to claim 1, wherein: and two end faces of each valve plate (3) are symmetrically provided with mounting grooves (303) for mounting the sealing rings (6).

7. The blind plate valve according to claim 6, wherein: the mounting groove (303) is in a tapered shape gradually narrowing from the bottom to the opening.

8. The blind plate valve according to claim 1, wherein: the clamping mechanism comprises a lead screw (2), threads which are different in turning direction are arranged at two ends of the lead screw (2), two ends of the lead screw (2) are respectively in threaded connection with the valve bodies (1) on the corresponding sides, and nuts for locking the valve bodies (1) on the corresponding sides are further arranged at two ends of the lead screw (2).

9. The blind plate valve according to claim 1, wherein: the clamping mechanism comprises a lead screw (2), the lead screw (2) is fixedly connected with any one valve body (1) through a nut, and the lead screw (2) is in threaded connection with the other valve body (1).

10. The blind plate valve according to claim 1, 8 or 9, wherein: the clamping mechanisms are arranged at intervals around the valve body (1), and the mounting plate (5) is arranged on any one clamping mechanism in a swinging mode.