CN218625625U

CN218625625U - Straight-through type large-flow stop valve

Info

Publication number: CN218625625U
Application number: CN202223338769.3U
Authority: CN
Inventors: 窦文胜
Original assignee: Tianjin Zhonggong Valve Manufacturing Co ltd
Current assignee: Tianjin Zhonggong Valve Manufacturing Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-03-14
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a large-traffic stop valve of through type, including the valve casing, both ends difference fixedly connected with rubber sleeve about the valve casing external diameter, a plurality of evenly distributed's of fixedly connected with buffer beam on the rubber sleeve, the front end sliding connection has the protection front shell between the buffer beam front side, the first connecting plate of both ends difference fixedly connected with about the shell before the protection, run through and threaded connection has the hob, the rear end on the first connecting plate respectively sliding connection has the protection backshell between the buffer beam rear side, both ends difference fixedly connected with second connecting plate about the protection backshell, run through and fixedly connected with helicla flute around respectively on the second connecting plate, shell and protection backshell bottom do not run through and are provided with the wash port before the protection. The utility model discloses in, the protecting crust through the design blocks the striking of outside object, avoids the stop valve to appear damaging to can not continue normal use.

Description

Straight-through type high-flow stop valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a large-traffic stop valve of through type.

Background

The straight-through stop valve relies on the pressure of the valve rod to make the sealing surface of the valve clack and the sealing surface of the valve seat tightly combined to prevent the medium from flowing. The friction force between the sealing surfaces is small in the opening and closing process, the wear-resisting sealing surfaces are wear-resisting, the opening height is small, the manufacturing process performance is good, and the like. It is the most widely used valve in the industrial sector.

Present stop valve installation all is exposed open air, and its shell does not have any protective structure, leads to the stop valve when receiving outside striking, produces the damage extremely easily, leads to the stop valve can not continue normal use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a straight-through type large flow stop valve.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a large-traffic stop valve of through type, includes the valve casing, both ends difference fixedly connected with rubber sleeve about the valve casing external diameter, the buffer rod of a plurality of evenly distributed of fixedly connected with on the rubber sleeve, the front end sliding connection has the protection front shell between the buffer rod front side, both ends difference fixedly connected with first connecting plate about both sides about the protection front shell external diameter rear end, run through respectively on the first connecting plate and threaded connection has the hob, the rear end sliding connection has the protection backshell between the buffer rod rear side, both ends difference fixedly connected with second connecting plate about both sides about the protection backshell external diameter front end, run through respectively around on the second connecting plate and fixedly connected with helicla flute.

As a further description of the above technical solution:

the two ends are fixedly connected with the ring flange respectively about the valve casing.

As a further description of the above technical solution:

the valve casing top is run through and is provided with the valve wheel, just the valve wheel runs through respectively with the protection preceding shell and protection backshell.

As a further description of the above technical solution:

the spiral rods are respectively penetrated through and in threaded connection with the spiral grooves.

As a further description of the above technical solution:

the protective front shell and the protective rear shell are mutually attached but not connected.

As a further description of the above technical solution:

the bottom parts of the protective front shell and the protective rear shell respectively penetrate through and are provided with drain holes.

As a further description of the above technical solution:

the rubber sleeve is round in shape.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first be connected between the ring flange of stop valve through both sides and the pipeline, the installation is accomplished the back, for the striking that avoids receiving outside of protection valve casing, shell and protection backshell before the protection has been set up in the outside of valve casing, block the object that carries out the striking through shell and protection backshell before the protection, buffer beam and rubber sleeve that set up simultaneously on the valve casing can effectively avoid the impact force directly to use on the valve casing, effectively avoid the stop valve to produce the damage, the use of guarantee stop valve.

2. The utility model discloses in, can dismantle shell and protection backshell from the valve casing before the protection under, the upper and lower both ends of shell and protection backshell have set up first connecting plate and second connecting plate respectively before the protection, carry out fixed connection through running through the hob rotation in into the helicla flute between first connecting plate and the second connecting plate, outside twisting the helicla flute with the hob rotation, separate the connection between taking off first connecting plate and the second connecting plate with the helicla flute, can separate before further messenger's protection between shell and the protection backshell, make both can follow the valve casing and tear down, show the valve casing outer wall out, let the technical staff look over, only need wrap the valve casing before the protection with the protection backshell again simultaneously, then in the helicla flute that corresponds with the hob rotation respectively of upper and lower both ends, just can make the protection before the protection shell with the protection backshell reinstall install on the return again, process operation is simple and convenient, make things convenient for the staff to carry out quick detection to the stop valve.

Drawings

Fig. 1 is a perspective view of a straight-through high-flow stop valve provided by the present invention;

fig. 2 is a three-dimensional bottom view of a straight-through high-flow stop valve provided by the utility model;

fig. 3 is the utility model provides a valve casing show of large-traffic stop valve of through type.

Illustration of the drawings:

1. a valve housing; 2. a protective front shell; 3. a protective rear housing; 4. a first connecting plate; 5. a second connecting plate; 6. a screw rod; 7. a helical groove; 8. a rubber sleeve; 9. a buffer rod; 10. a drain hole; 11. a flange plate; 12. a valve wheel.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a large-traffic stop valve of through type, including valve casing 1, both ends difference fixedly connected with rubber sleeve 8 about 1 external diameter of valve casing, rubber sleeve 8 goes up a plurality of evenly distributed's of fixedly connected with buffer beam 9, the impact force that receives on buffer beam 9 can directly be used on rubber sleeve 8, block and certain buffering effect through rubber sleeve 8, avoid on buffer beam 9 the impact force direct use of valve casing 1 of passing down, sliding connection has protection front shell 2 between the front end buffer beam 9 front side, both ends difference fixedly connected with first connecting plate 4 about 2 external diameter rear ends of protection front shell about the both sides, run through respectively on first connecting plate 4 and threaded connection has hob 6, sliding connection has protection backshell 3 between the 9 rear sides of rear end buffer beam, come to carry out comprehensive protecting effect to valve casing 1 through protection front shell 2 and protection backshell 3, effectual object that comes to keeping off the external shock, both ends difference fixedly connected with second connecting plate 5 about the both sides about 3 external diameter front ends of protection backshell, run through respectively and fixedly connected with helicla flute 7 around the second connecting plate 5.

Both ends are fixedly connected with ring flange 11 respectively about valve casing 1, enable stop valve and pipeline through ring flange 11 and carry out erection joint, 1 top of valve casing runs through and is provided with valve wheel 12, and valve wheel 12 runs through respectively and protects preceding shell 2 and protection backshell 3, hob 6 runs through and threaded connection between 7 respectively and the helicla flute, carry out rotatory wrench movement to hob 6, make 6 wrench movement department helicla flute 7 external cancellation fixed, it comes to connect again between the two to carry out reverse direction wrench movement, it is nevertheless discord to hug closely each other between 2 and the protection backshell 3 before the protection, shell 2 and the top department of protection backshell 3 before the protection, it leads to certain gap to run through to appear because of valve wheel 12, in order to prevent that the rainwater from entering into the interior of protection preceding shell 2 and protection backshell 3 from the gap department, casing 2 and protection backshell 3 bottom run through respectively and are provided with wash port 10 and come to discharge out the rainwater, in order to avoid inside ponding, rubber sleeve 8 uses the shape to be circular.

The working principle is as follows: firstly, the valve casing 1 is connected with the pipeline through flange plates 11 at two sides, the inside adjustment can be carried out through a valve wheel 12 arranged above in the using process, meanwhile, in order to prevent the valve casing 1 of the stop valve from being damaged in the using process, the outside of the valve casing 1 is protected by a protective front casing 2 and a protective rear casing 3 at the outer side of the valve casing 1, when the valve casing is impacted by an external object, the impacted object is blocked by the protective front casing 2 and the protective rear casing 3, meanwhile, a buffer rod 9 is connected between the protective front casing 2 and the protective rear casing 3 for supporting, a rubber sleeve 8 is fixed at the bottom of the buffer rod 9, and the impact force generated when the object impacts the protective front casing 2 and the protective rear casing 3 is directly acted on the valve casing 1 through the buffer rod 9 and the rubber sleeve 8, avoid influencing the function of the internals of valve casing 1, the bottom of casing 2 and protection backshell 3 has set up wash port 10 respectively before the protection, will enter into the rainwater in casing 2 and the protection backshell 3 inside before the protection through valve wheel 12 department and discharge out, later will protect before casing 2 and protection backshell 3 dismantlement lift off, when directly looking over valve casing 1, through first connecting plate 4 and the second connecting plate 5 of fixing respectively before the protection on casing 2 and the protection backshell 3, twist out through the helicla flute 7 of following respectively on the second connecting plate 5 with the hob 6 on first connecting plate 4, get the relation of connection between casing 2 and the protection backshell 3 before the fire control protects, then will protect respectively before casing 2 and protection backshell 3 take off from valve casing 1, will reveal out and look over with 1 valve casing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A through type high flow stop valve comprises a valve casing (1), and is characterized in that: both ends difference fixedly connected with rubber sleeve (8) about valve casing (1) external diameter, a plurality of evenly distributed's of fixedly connected with buffer beam (9) on rubber sleeve (8), the front end sliding connection has protection front shell (2) between buffer beam (9) front side, both ends difference fixedly connected with first connecting plate (4) about both sides about protection front shell (2) external diameter rear end, run through respectively on first connecting plate (4) and threaded connection has hob (6), the rear end sliding connection has protection backshell (3) between buffer beam (9) the rear side, both ends difference fixedly connected with second connecting plate (5) are controlled to both ends about protection backshell (3) external diameter front end, run through respectively and fixedly connected with helicla flute (7) around on second connecting plate (5).

2. A straight-through high flow stop valve according to claim 1, wherein: the left end and the right end of the valve casing (1) are respectively and fixedly connected with flange plates (11).

3. A straight-through high flow stop valve according to claim 1, wherein: valve casing (1) top is run through and is provided with valve wheel (12), just valve wheel (12) run through respectively with protection front shell (2) and protection backshell (3).

4. A straight-through high flow stop valve according to claim 1, wherein: the screw rods (6) are respectively connected with the spiral grooves (7) in a penetrating and threaded mode.

5. A straight-through high flow stop valve according to claim 1, wherein: the protective front shell (2) and the protective rear shell (3) are mutually clung but not connected.

6. A straight-through high flow stop valve according to claim 1, wherein: the bottoms of the protective front shell (2) and the protective rear shell (3) are respectively penetrated and provided with a drain hole (10).

7. A straight-through high flow stop valve according to claim 1, wherein: the rubber sleeve (8) is round in shape.