CN213206704U

CN213206704U - Flange gate valve that security performance is high

Info

Publication number: CN213206704U
Application number: CN202022253560.1U
Authority: CN
Inventors: 洪月玲; 洪进益; 洪超伟
Original assignee: Fujian Guanda Valve Manufacturing Co ltd
Current assignee: Guanda Valve Manufacturing Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-14
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a flanged gate valve that security performance is high relates to the valve field. This flanged gate valve that security performance is high, including valve body and pipeline, the top of valve body is provided with adjustment mechanism, the connecting pipe has all been welded to the both sides of valve body surface, the welding has the lantern ring on the surface of connecting pipe, the spout has been seted up on the surface of the lantern ring, sliding connection has the slider on the inner wall of spout, the slider is provided with spacing subassembly, and the top of slider passes the spout and to external extension and welding have the connecting plate, the one end lower surface welding that the slider was kept away from to the connecting plate has the fixed plate, the bottom welding of. This flange gate valve that security performance is high, when the installation flange gate valve, with the valve body towards removing between two pipelines, until the lower surface and the pipeline surface laminating of arc, first ring flange and second ring flange laminate mutually this moment, and the location is accurate simultaneously, and convenient to use bolt is fixed.

Description

Flange gate valve that security performance is high

Technical Field

The utility model relates to the technical field of valves, specifically be a flanged gate valve that security performance is high.

Background

The flange gate valve is a gate valve with a flange as a connection mode, and the flange gate valve is most common in connection mode, stable and reliable when used in a pipeline, so that the flange gate valve is often adopted on a high-pressure pipeline.

Flange gate valve carries out the flange joint with the pipeline of both sides when, at first will align the flange dish on the gate valve with the location on the pipeline, make a plurality of mounting holes of two flange dishes align, thereby can use the bolt to fix, but when mounting flange gate valve, flange gate valve is in unsettled state usually, even the installation is carried out after flange gate valve meeting level is placed sometimes, thereby need installer to fix a position the alignment to two flange dishes when supporting flange gate valve, it is comparatively loaded down with trivial details, need great manual strength, therefore we have proposed a flange gate valve that the security performance is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a flanged gate valve that security performance is high to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a flange gate valve with high safety performance comprises a valve body and pipelines, wherein an adjusting mechanism is arranged at the top of the valve body, connecting pipes are welded on two sides of the outer surface of the valve body, a first flange is welded at one end, away from the valve body, of each connecting pipe, the number of the pipelines is two, a second flange is welded at the end parts of the two pipelines, the first flange and the second flange are fixedly connected through bolts, and the valve body, the connecting pipes and the interiors of the pipelines are communicated;

the welding has the lantern ring on the surface of connecting pipe, the spout has been seted up on the surface of the lantern ring, sliding connection has the slider on the inner wall of spout, the slider is provided with spacing subassembly, just the top of slider is passed the spout and is extended and have the welding to the external world, the welding has the fixed plate on the one end lower surface that the slider was kept away from to the connecting plate, the bottom welding of fixed plate has the arc, just the arc is laminated with the surface of pipeline mutually.

Preferably, the cross section of the sliding groove and the sliding block is T-shaped.

Preferably, the lower surface of the connecting plate is not pressed when being contacted with the first flange and the second flange.

Preferably, the limiting assembly comprises four fixing blocks and four fixing blocks, the fixing blocks are welded on the side wall of the sleeve ring, the transverse central axes of the two fixing blocks coincide with the horizontal plane, and the vertical central axes of the other two fixing blocks are perpendicular to the horizontal plane.

Preferably, sliding connection has the slide on the inner wall of fixed block, the welding of one side of slide has the stopper, the spacing groove has been seted up on the surface of slider, the tip of stopper passes the outer wall of the lantern ring and extends towards in the spout, and the tip and the spacing groove of stopper laminate mutually.

Preferably, the opposite side welding of slide has the movable rod, the surface activity of movable rod cup joints the elastic component, just the both ends of elastic component fixed connection respectively on the lateral wall of slide and the inner wall of fixed block.

Preferably, one end of the movable rod, which is far away from the sliding plate, penetrates through the outer wall of the fixed block and extends to the outside, and the pull ring is fixedly connected with the movable rod.

The utility model discloses a flanged gate valve that security performance is high, its beneficial effect who possesses as follows:

1. this flange gate valve that security performance is high, lantern ring through the setting, the spout, the slider, arc and spacing subassembly, when the installation flange gate valve, move the valve body towards between two pipelines, the lower surface and the pipeline surface of arc laminate mutually up to, first ring flange and second ring flange laminate mutually this moment, the while location is accurate, be convenient for use bolt is fixed, but when valve body horizontal installation perhaps reverses the installation, open spacing subassembly, make the rotation slider can slide in the spout, the slider that slides this moment has driven the arc and has rotated, make the arc be in directly over the pipeline, then move the valve body towards between two pipelines again, the lower surface and the pipeline surface of arc laminate mutually up to this moment, first ring flange and second ring flange laminate mutually, the while location is accurate.

2. This flanged gate valve that security performance is high sets up to "T" type through the cross-section with spout and slider to make the slider can be stable carry out gliding in the spout, avoid the slider to take place the condition that breaks away from in the spout simultaneously.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

FIG. 3 is a schematic structural view of the joint between the connecting pipe and the pipeline of the present invention;

FIG. 4 is a schematic structural view of the junction between four fixing blocks and the sleeve ring;

fig. 5 is an enlarged schematic view of a portion B in fig. 3 according to the present invention.

In the figure: 1. a valve body; 101. an adjustment mechanism; 102. a connecting pipe; 103. a first flange plate; 2. a pipeline; 201. a second flange plate; 3. a collar; 301. a chute; 302. a slider; 303. a connecting plate; 304. a fixing plate; 305. an arc-shaped plate; 4. a fixed block; 401. a slide plate; 402. a limiting block; 403. a limiting groove; 404. a movable rod; 405. an elastic member; 406. and (4) a pull ring.

Detailed Description

The embodiment of the utility model discloses flange gate valve that security performance is high, as shown in fig. 1-5, including valve body 1 and pipeline 2, the top of valve body 1 is provided with adjustment mechanism 101, connecting pipe 102 has all been welded to the both sides of valve body 1 surface, the one end welding that connecting pipe 102 kept away from valve body 1 has first ring flange 103, the quantity of pipeline 2 sets up to two, second ring flange 201 has all been welded to the tip of two pipeline 2, connect through bolt fastening between first ring flange 103 and the second ring flange 201, and valve body 1, the inside of connecting pipe 102 and pipeline 2 is linked together, through the adjustment mechanism 101 that sets up, thereby be convenient for adjust in the valve body 1, and adjustment mechanism 101 is current structure, this embodiment is no longer repeated;

the outer surface of the connecting pipe 102 is welded with a lantern ring 3, the outer surface of the lantern ring 3 is provided with a sliding groove 301, the inner wall of the sliding groove 301 is connected with a sliding block 302 in a sliding manner, the sliding block 302 is provided with a limiting component, the top end of the sliding block 302 penetrates through the sliding groove 301 to extend outwards and is welded with a connecting plate 303, the lower surface of one end, far away from the sliding block 302, of the connecting plate 303 is welded with a fixing plate 304, the bottom end of the fixing plate 304 is welded with an arc plate 305, the arc plate 305 is attached to the outer surface of the pipeline 2, through the lantern ring 3, the sliding groove 301, the sliding block 302, the arc plate 305 and the limiting component, when the gate valve is installed, the valve body 1 is moved towards the space between the two pipelines 2 until the lower surface of the arc plate 305 is attached to the outer surface of the pipeline 2, at the, open spacing subassembly for rotate slider 302 and can slide in spout 301, slide slider 302 has driven the arc 305 and has rotated this moment, make the arc 305 be in directly over pipeline 2, then move valve body 1 between two pipelines 2 towards again, until the lower surface of arc 305 and the laminating of pipeline 2 surface mutually, first ring flange 103 and the laminating of second ring flange 201 mutually this moment, the while location is accurate.

The cross sections of the sliding groove 301 and the sliding block 302 are "T" shaped, and the cross sections of the sliding groove 301 and the sliding block 302 are set to be "T" shaped, so that the sliding block 302 can stably slide in the sliding groove 301, and the sliding block 302 is prevented from being separated from the sliding groove 301.

The lower surface of the connecting plate 303 is not pressed against the first flange 103 and the second flange 201.

The limiting assembly comprises four fixing blocks 4, the four fixing blocks 4 are all welded on the side wall of the sleeve ring 3, the transverse central axes of the two fixing blocks 4 coincide with the horizontal plane, and the vertical central axes of the other two fixing blocks 4 are perpendicular to the horizontal plane, so that the sliding block 302 can be fixed to the top, the bottom and two sides of the sleeve ring 3.

Sliding connection has slide 401 on the inner wall of fixed block 4, and the welding of one side of slide 401 has stopper 402, has seted up spacing groove 403 on the surface of slider 302, and the tip of stopper 402 passes the outer wall of lantern ring 3 and extends towards in the spout 301, and the tip and the spacing groove 403 of stopper 402 laminate mutually.

The other side of slide 401 has welded movable rod 404, and the surface activity of movable rod 404 cup joints elastic component 405, and the both ends of elastic component 405 fixed connection respectively on the lateral wall of slide 401 and the inner wall of fixed block 4.

One end of the movable rod 404, which is far away from the sliding plate 401, penetrates through the outer wall of the fixed block 4 to extend to the outside and is fixedly connected with a pull ring 406, and the pull ring 406 is arranged, so that the movable rod 404 is conveniently pulled outwards.

The working principle is as follows: when the flanged gate valve is vertically arranged between two pipelines 2, the valve body 1 moves towards the space between the two pipelines 2 until the lower surface of the arc-shaped plate 305 is attached to the outer surface of the pipeline 2, and at the moment, the first flange plate 103 is attached to the second flange plate 201, and the positioning is accurate and convenient to fix by using bolts;

when the flanged gate valve is horizontally installed between two pipelines 2, a pull ring 406 arranged at the top of a lantern ring 3 is pulled, the movable rod 404 and a sliding plate 401 drive the end part of a limit block 402 to be separated from a limit groove 403, at the moment, the sliding block 302, a connecting plate 303, a fixing plate 304 and an arc-shaped plate 305 are rotated, the pull ring 406 arranged at one side of the middle of the lantern ring 3 is pulled, the movable rod 404 and the sliding plate 401 drive the limit block 402 to move outwards and compress an elastic part 405 to enable the elastic part to be in a power-storage compression state, then when the sliding block 302 rotates 90 degrees, the limit block 402 is arranged at one side of the limit groove 403, at the moment, the pull ring 406 is loosened, the elastic part 405 compressed by the previous power storage rebounds, the end part of the limit block 402 is driven by the sliding plate 401 to be clamped into the limit groove 403, so that the position of the sliding block, then the valve body 1 is moved towards the space between the two pipelines 2 until the lower surface of the arc-shaped plate 305 is attached to the outer surface of the pipeline 2, and at the moment, the first flange plate 103 is attached to the second flange plate 201, and the positioning is accurate;

when the flanged gate valve is mounted between two pipes 2 in an inverted position, the above working steps are repeated, so that when the valve body 1 is in the inverted position, the arc-shaped plate 305 is still positioned right above the pipes 2, and then positioning and mounting are carried out.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flanged gate valve that security performance is high, includes valve body (1) and pipeline (2), its characterized in that: the top of the valve body (1) is provided with an adjusting mechanism (101), connecting pipes (102) are welded on two sides of the outer surface of the valve body (1), a first flange (103) is welded at one end, far away from the valve body (1), of each connecting pipe (102), the number of the pipelines (2) is two, second flanges (201) are welded at the end parts of the two pipelines (2), the first flange (103) and the second flanges (201) are fixedly connected through bolts, and the valve body (1), the connecting pipes (102) and the pipelines (2) are communicated;

the welding has the lantern ring (3) on the surface of connecting pipe (102), spout (301) have been seted up on the surface of the lantern ring (3), sliding connection has slider (302) on the inner wall of spout (301), slider (302) are provided with spacing subassembly, just the top of slider (302) is passed spout (301) and is extended and weld to the external world and have connecting plate (303), the welding has fixed plate (304) on the one end lower surface that slider (302) was kept away from in connecting plate (303), the welding of the bottom of fixed plate (304) has arc (305), just arc (305) are laminated mutually with the surface of pipeline (2).

2. A high-safety flanged gate valve according to claim 1, characterized in that: the cross sections of the sliding groove (301) and the sliding block (302) are T-shaped.

3. A high-safety flanged gate valve according to claim 1, characterized in that: the lower surface of the connecting plate (303) is contacted with the first flange plate (103) and the second flange plate (201) without extrusion.

4. A high-safety flanged gate valve according to claim 1, characterized in that: the limiting assembly comprises four fixing blocks (4) and four fixing blocks (4) which are all welded on the side wall of the sleeve ring (3), the transverse central axes of the two fixing blocks (4) coincide with the horizontal plane, and the vertical central axes of the other two fixing blocks (4) are perpendicular to the horizontal plane.

5. The flanged gate valve of claim 4, wherein: sliding connection has slide (401) on the inner wall of fixed block (4), one side welding of slide (401) has stopper (402), spacing groove (403) have been seted up on the surface of slider (302), the outer wall that the tip of stopper (402) passed lantern ring (3) extends towards in spout (301), and the tip and the spacing groove (403) of stopper (402) are laminated mutually.

6. A high-safety flanged gate valve according to claim 5, characterized in that: the welding of the opposite side of slide (401) has movable rod (404), the surface activity of movable rod (404) is cup jointed elastic component (405), just the both ends of elastic component (405) fixed connection respectively is on the lateral wall of slide (401) and the inner wall of fixed block (4).

7. The flanged gate valve of claim 6, wherein: one end, far away from the sliding plate (401), of the movable rod (404) penetrates through the outer wall of the fixed block (4) to extend to the outside and is fixedly connected with a pull ring (406).