CN211202893U

CN211202893U - Liquid stop valve

Info

Publication number: CN211202893U
Application number: CN201921890527.0U
Authority: CN
Inventors: 吕鑫
Original assignee: Xi'an Woweilong Control System Co ltd
Current assignee: Xi'an Woweilong Control System Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-07
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a liquid stop valve, which comprises a valve body and a valve cover, wherein a first cavity and a second cavity are respectively arranged at two sides inside the valve body, the first cavity is communicated with the second cavity, an annular groove is arranged at the top end of the inner wall of the first cavity, the annular groove is connected with an annular rod in a clamping way, the annular rod is fixedly arranged at the bottom end of a cover plate, a valve core is fixedly arranged at the middle part of the bottom end of the cover plate, the middle part of the top end of the cover plate is rotatably connected with one end of a valve rod, one side of the top end of the cover plate is hinged with one end of a first baffle plate, the cover plate is driven by the valve rod to move downwards, the cover plate drives the annular rod to move downwards and is clamped with the annular groove, the cover plate drives the first baffle plate and the second baffle plate to move to shield the second cavity, water in the first cavity and the second cavity can be prevented from overflowing, and the, the service life of the stop valve is prolonged.

Description

Liquid stop valve

Technical Field

The utility model relates to a stop valve, in particular to liquid stop valve.

Background

The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for high pressure.

In view of the above, chinese patent No. CN105452739B proposes a stop valve housing and a stop valve, chinese patent No. CN102927301B proposes a two-way stop valve, and chinese patent No. CN104930206B proposes a stop valve, which do not relate to corrosion prevention and rust prevention of a threaded sleeve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid stop valve can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a liquid stop valve, includes valve body and valve gap, first cavity and second cavity have been seted up respectively to the inside both sides of valve body, first cavity and second cavity intercommunication, annular groove has been seted up on the top of first cavity inner wall, annular groove is connected with annular rod block, and the fixed bottom that sets up at the apron of annular rod, the fixed case that is provided with in middle part of apron bottom, the middle part on apron top is rotated with the one end of valve rod and is connected, one side on apron top is articulated with the one end of first baffle, the other end of first baffle is articulated with the one end of second baffle, the other end of second baffle is articulated with one side of second cavity inner wall.

Preferably, the top of the valve cover is provided with a through hole, the inner wall of the through hole is in threaded connection with the outer wall of the threaded sleeve, the inner wall of the threaded sleeve is in sliding connection with the outer wall of the inner plate, and the inner plate is sleeved at the middle part of the outer wall of the valve rod.

Preferably, both ends of the two sides of the inner plate are rotatably connected with fixing plates, the middle parts of one sides of the fixing plates are respectively in threaded connection with one ends of the four screw rods, and the other ends of the four screw rods are respectively rotatably connected with the middle parts of one sides of the four rotating plates.

Preferably, four the both ends of commentaries on classics board opposite side are articulated with the one end of eight bracing pieces respectively, eight the bottom of bracing piece one side respectively with the both ends fixed connection of four springs, eight the bottom of bracing piece opposite side respectively with the one end fixed connection of eight kellies, eight the other end of kellies is connected with eight first draw-in groove block respectively, and eight first draw-in grooves are seted up respectively in the both sides of four recess inner walls, and the both ends in thread bush both sides are seted up respectively to four recesses.

Preferably, the middle part of the outer wall of the valve rod is connected with the middle part of one side of the valve plate in a sliding mode, the bottom end of the valve plate is connected with the second clamping groove in a clamping mode, and the second clamping groove is formed in the top of the inner wall of the through hole.

Preferably, both sides on valve plate top all are fixed and are equipped with even board, two one side of even board bottom is articulated with the one end of two risers respectively, two the bottom of riser one side respectively with the one end fixed connection of two fixture blocks, two the both ends of fixture block respectively with two third draw-in groove snap connections, and two third draw-in grooves set up respectively at the top of valve gap both sides.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the apron has been set up, the valve rod rotates, the valve rod drives the apron downstream, the apron drives annular pole downstream and annular groove block, the apron drives first baffle and the motion of second baffle, shelter from the second cavity, can avoid the water in first cavity and the second cavity to spill over, effectively prevent thread bush and through-hole inner wall from being corroded, the life of extension stop valve, slide the inner panel outside with the thread bush, put into first draw-in groove inside with the kelly, the bracing piece is to both sides motion under the effort of spring, the screw rod rotates, can make the thread bush fix in the inner panel outside, the change and the installation of the thread bush of being convenient for.

Drawings

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

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

FIG. 3 is a schematic view of the structure of the threaded sleeve of the present invention;

fig. 4 is a schematic view of the clamping rod structure of the present invention.

In the figure: 1. a valve body; 2. a vertical plate; 3. connecting plates; 4. a third card slot; 5. a valve cover; 6. a clamping block; 7. a threaded sleeve; 8. a valve stem; 9. a valve plate; 10. a second card slot; 11. a through hole; 12. a second baffle; 13. a second cavity; 14. a first baffle plate; 15. a ring-shaped rod; 16. an annular groove; 17. a valve core; 18. a cover plate; 19. a first cavity; 20. a screw; 21. an inner plate; 22. a fixing plate; 23. a first card slot; 24. a groove; 25. rotating the plate; 26. a support bar; 27. a clamping rod; 28. a spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

The first embodiment is as follows:

as shown in fig. 1 and 2, a liquid stop valve comprises a valve body 1 and a valve cover 5, wherein a first cavity 19 and a second cavity 13 are respectively formed on two sides inside the valve body 1, the first cavity 19 is communicated with the second cavity 13, an annular groove 16 is formed in the top end of the inner wall of the first cavity 19, the annular groove 16 is connected with an annular rod 15 in a clamping manner, the annular rod 15 is fixedly arranged at the bottom end of a cover plate 18, a valve core 17 is fixedly arranged in the middle of the bottom end of the cover plate 18, the middle of the top end of the cover plate 18 is rotatably connected with one end of a valve rod 8, one side of the top end of the cover plate 18 is hinged with one end of a first baffle plate 14, the other end of the first baffle plate 14 is hinged with one end of a second baffle plate 12, the other end of the second baffle plate 12 is hinged with one side of the inner wall of the second cavity 13, the valve rod 8 is rotated, the valve rod 8 drives the cover plate 18 to move downwards, the cover plate 18 moves the first baffle plate 14 and the second baffle plate 12 to shield the second cavity 13, so as to prevent water from overflowing upwards to corrode the threaded sleeve 7 and the inner wall of the through hole 11, and prevent the threaded sleeve from being difficult to rotate due to rusting.

Example two:

on the basis of the first embodiment, referring to fig. 3 and 4, the top of the valve cover 5 is provided with a through hole 11, the inner wall of the through hole 11 is in threaded connection with the outer wall of the threaded sleeve 7, the inner wall of the threaded sleeve 7 is in sliding connection with the outer wall of the inner plate 21, the inner plate 21 is sleeved on the middle part of the outer wall of the valve rod 8, two ends of two sides of the inner plate 21 are rotatably connected with fixing plates 22, the middle part of one side of each of the four fixing plates 22 is respectively in threaded connection with one end of each of four screws 20, the other end of each of the four screws 20 is respectively rotatably connected with the middle part of one side of each of four rotating plates 25, two ends of the other side of each of the four rotating plates 25 are respectively hinged with one end of eight support rods 26, the bottom of one side of each of the eight support rods 26 is respectively fixedly connected with two ends of, eight first draw-in grooves 23 are seted up respectively in the both sides of four recess 24 inner walls, and four recess 24 are seted up respectively at the both ends of screw thread cover 7 both sides, overlap screw thread cover 7 in the outside of inner panel 21, rotate fixed plate 22, place inside first draw-in groove 23 kelly 27, make bracing piece 26 move to both sides under the effort of spring 28, rotate screw rod 20, screw rod 20 drives and changes board 25 upward movement to make screw thread cover 7 fix in the outside of inner panel 21.

Example two:

on the basis of the first embodiment and the second embodiment, referring to fig. 1, the middle part of the outer wall of the valve rod 8 is slidably connected with the middle part of one side of the valve plate 9, the bottom end of the valve plate 9 is connected with the second clamping groove 10 in a clamping manner, the second clamping groove 10 is arranged at the top part of the inner wall of the through hole 11, the connecting plates 3 are fixedly arranged at two sides of the top end of the valve plate 9, one side of the bottom ends of the two connecting plates 3 is respectively hinged with one end of the two vertical plates 2, the bottom parts of one side of the two vertical plates 2 are respectively fixedly connected with one end of the two clamping blocks 6, two ends of the two clamping blocks 6 are respectively connected with the two third clamping grooves 4 in a clamping manner, the two third clamping grooves 4 are respectively arranged at the top parts of two sides of the valve cover 5, the valve plate 9 is placed in the second clamping groove 10, the vertical plates 2 are rotated, the vertical plates 2 drive the clamping, affecting the normal use of the stop valve.

It should be noted that, the present invention is a liquid stop valve, firstly, the valve rod 8 is rotated, the valve rod 8 drives the threaded sleeve 7 to be in threaded connection with the through hole 11, so as to drive the cover plate 18 to move downwards, the cover plate 18 drives the annular rod 15 to move downwards to be engaged with the annular groove 16, so as to prevent water from overflowing from the water inlet, the cover plate 18 drives the first baffle plate 14 and the second baffle plate 12 to move, so as to shield the second cavity 13, so as to prevent water in the second cavity 13 from flowing back, so as to effectively prevent the water from corroding the surface of the threaded sleeve 7, prevent the threaded sleeve 7 from rusting and being difficult to rotate, avoid affecting the normal use of the stop valve, the threaded sleeve 7 is placed outside the inner plate 21, the fixed plate 22 is rotated, the clamping rod 27 is placed inside the first clamping groove 23, the support rod 26 is moved to both sides under the acting force of the spring 28, the screw rod 20 is rotated, thereby make thread bush 7 fix in the outside of inner panel 21, after the stop valve used, slide valve plate 9, place valve plate 9 in second draw-in groove 10, the riser 2 rotates, riser 2 drives the motion of fixture block 6, place fixture block 6 in third draw-in groove 4, can make valve plate 9 fixed, prevent outside rainwater corruption thread bush 7, influence the normal use of stop valve, can effectively avoid thread bush 7 and 11 inner walls of through-hole to be corroded by rivers, avoid rusting because of the rivers corruption, influence the normal use of stop valve, the life of extension stop valve.

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 liquid stop valve, includes valve body (1) and valve gap (5), its characterized in that: first cavity (19) and second cavity (13) have been seted up respectively to the inside both sides of valve body (1), first cavity (19) and second cavity (13) intercommunication, annular groove (16) have been seted up on the top of first cavity (19) inner wall, annular groove (16) are connected with annular rod (15) block, and annular rod (15) are fixed to be set up in the bottom of apron (18), the middle part of apron (18) bottom is fixed and is provided with case (17), the middle part on apron (18) top is rotated with the one end of valve rod (8) and is connected, one side on apron (18) top is articulated with the one end of first baffle (14), the other end of first baffle (14) is articulated with the one end of second baffle (12), the other end of second baffle (12) is articulated with one side of second cavity (13) inner wall.

2. A liquid shut-off valve as claimed in claim 1, wherein: through-hole (11) have been seted up at the top of valve gap (5), the inner wall of through-hole (11) and the outer wall threaded connection of thread bush (7), the inner wall of thread bush (7) and the outer wall sliding connection of inner panel (21), and inner panel (21) cover is established at the middle part of valve rod (8) outer wall.

3. A liquid shut-off valve as claimed in claim 2, wherein: the both ends of inner panel (21) both sides all rotate and are connected with fixed plate (22), four the middle part of fixed plate (22) one side respectively with the one end threaded connection of four screw rods (20), four the other end of screw rod (20) rotates with the middle part of four commentaries on classics board (25) one side respectively and is connected.

4. A liquid shut-off valve as claimed in claim 3, wherein: four the both ends of commentaries on classics board (25) opposite side are articulated with the one end of eight bracing pieces (26) respectively, eight the bottom of bracing piece (26) one side respectively with the both ends fixed connection of four springs (28), eight the bottom of bracing piece (26) opposite side respectively with the one end fixed connection of eight kellies (27), eight the other end of kellies (27) is connected with eight first draw-in grooves (23) block respectively, and the both sides at four recess (24) inner walls are seted up respectively in eight first draw-in grooves (23), and the both ends in thread bush (7) both sides are seted up respectively in four recess (24).

5. A liquid shut-off valve as claimed in claim 2, wherein: the middle part of valve rod (8) outer wall and the middle part sliding connection of valve plate (9) one side, the bottom and second draw-in groove (10) block of valve plate (9) are connected, and set up the top at through-hole (11) inner wall in second draw-in groove (10).

6. A liquid shut-off valve as claimed in claim 5, wherein: the both sides on valve plate (9) top are all fixed and are equipped with even board (3), two even one side of board (3) bottom is articulated with the one end of two riser (2) respectively, two the bottom of riser (2) one side respectively with the one end fixed connection of two fixture blocks (6), two the both ends of fixture block (6) are connected with two third draw-in grooves (4) block respectively, and set up the top in valve gap (5) both sides respectively in two third draw-in grooves (4).