CN214789280U

CN214789280U - Stop valve

Info

Publication number: CN214789280U
Application number: CN202120281664.5U
Authority: CN
Inventors: 张胜武; 金云寿
Original assignee: Yongjia Shengbo Valve Technology Co ltd
Current assignee: Yongjia Shengbo Valve Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-19
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a stop valve, the on-line screen storage device comprises a base, install the valve body on the base, two fixed arc strip two about installing are all used to the centre week of valve body, and two fixed arc strip one around all installing of both ends week about the valve body, the inside valve rod that is provided with of valve body, valve rod upper end fixedly connected with turning handle, the below of turning handle is equipped with the restriction piece of installing on the valve body. The utility model discloses a two fixed arc one and fixed arc two of the left and right sides of fixing on the valve body in the installation make the valve body stabilized on the valve body, avoid because outside unexpected striking, the valve body that causes damages, and then influences its use, through set up limit structure on the valve body, avoid because the valve body accident that the mistake touched and lead to is closed and open, through two sealed commentaries on classics boards that set up in the valve body inside and be located the valve block downside, improve the leakproofness of valve body.

Description

Stop valve

Technical Field

The utility model relates to a valve specifically is a 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. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing. The valve of China has been specified in the 'three-in-one' mode, and the flow direction of the stop valve is uniformly from top to bottom, so that the stop valve has directionality during installation. The structure length of stop valve is greater than the gate valve, and fluid resistance is big simultaneously, and long-term operation, sealing reliability is not strong.

Stop valve uses very extensively in people's daily life, however, present stop valve has many problems, and like the installation of actual valve body is unstable, the valve body receives outside striking easily not hard up, and then influences the use of valve body, and the valve body touches by mistake easily when using, leads to the valve body to open by accident or close. Therefore, the utility model provides a stop valve to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stop valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a stop valve, includes the base, install the valve body on the base, two fixed arc strip two about the centre week of valve body is installed, and two fixed arc strip one around both ends week all installs of the valve body about, the inside valve rod that is provided with of valve body, valve rod upper end fixedly connected with turning handle, the below of turning handle is equipped with the restriction piece of installing on the valve body, and the lower extreme fixedly connected with of valve rod is located the valve block in the valve body, and valve rod week side fixedly mounted has the ratchet that is located the inside of restriction piece, and one side of ratchet is provided with the fixture block, the fixture block rotates to be connected and rotates through a turning rod two and connect inside the restriction piece, and is provided with reset spring on the turning rod two, is equipped with of fixture block and rotates to connect in the inside turning rod one of restriction piece, the downside of valve block is equipped with and rotates to connect in the inside two sealed commentaries on classics boards of controlling of valve body.

As a further aspect of the present invention: and the screw rods penetrate through the front end and the rear end of the second fixed arc strip, and the two ends of each screw rod penetrate through the first fixed arc strip and the second fixed arc strip.

As a further aspect of the present invention: the screw rod is connected with the outer ends of the first fixed arc strips and the second fixed arc strips through threads, corresponding first fixed nuts are connected with the outer ends of the first fixed arc strips and the outer ends of the second fixed arc strips through threads, and corresponding first fixed bolts and corresponding nuts are connected with the two ends of the first fixed arc strips in a threaded mode.

As a further aspect of the present invention: through holes corresponding to the lower ends of the first fixing arc strips are formed in the base, and fixing bolts II in threaded connection are arranged on the outer sides of the through holes.

As a further aspect of the present invention: and a pull rope with one end fixedly connected with the clamping block is wound around the periphery of the first rotating rod, and a rotating button is fixedly connected with the front end of the first rotating rod.

As a further aspect of the present invention: one end of the sealing rotating plate is fixedly connected with a pinion, the outer side of the pinion is provided with a rack meshed with the pinion, and the two racks are respectively connected to the left lower side and the right lower side of the valve plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a two fixed arc one and fixed arc two of the left and right sides on the valve body are fixed in the installation, make the valve body stabilized on the valve body, avoid because outside unexpected striking, the valve body that causes damages, and then influences its use.

2. The utility model discloses a set up limit structure on the valve body, avoid closing and opening because the valve body accident that the mistake touched and lead to, through two sealed commentaries on classics boards that are located the valve block downside that set up in the valve body is inside, improve the leakproofness of valve body.

Drawings

Fig. 1 is a schematic structural diagram of a stop valve.

Fig. 2 is a schematic diagram of the internal structure of a valve body in a shutoff valve.

Fig. 3 is an enlarged schematic view of a stop valve at a point a in fig. 2.

Fig. 4 is a schematic diagram of an internal top structure of a limiting block in a stop valve.

In the figure: 1. a base; 2. a valve body; 3. a handle is rotated; 4. a valve stem; 5. turning a button; 6. fixing the first arc strip; 7. fixing an arc strip II; 8. a screw; 9. fixing a first nut; 10. fixing a first bolt; 11. fixing a second bolt; 12. pulling a rope; 13. a limiting block; 14. a ratchet wheel; 16. a valve plate; 17. sealing the rotating plate; 18. a pinion gear; 19. a rack; 20. a clamping block; 21. a first rotating rod; 22. and a second rotating rod.

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 to 4, in the embodiment of the present invention, a stop valve comprises a base 1, a valve body 2 is mounted on the base 1, a left fixed arc strip 7 and a right fixed arc strip 7 are mounted around the middle of the valve body 2, a front fixed arc strip 6 and a rear fixed arc strip 6 are mounted around the left end and the right end of the valve body 2, a screw 8 penetrates through the front end and the rear end of each fixed arc strip 7, both ends of the screw 8 penetrate through the left fixed arc strip 6 and the right fixed arc strip 6, the screw 8, the outer ends of the fixed arc strips 6 and the fixed arc strips 7 are in threaded connection with a corresponding fixed nut 9, both ends of the front fixed arc strip 6 and the rear fixed arc strip 6 are in threaded connection with a corresponding fixed bolt 10 and nut, a through hole corresponding to the lower end of the fixed arc strips 6 is formed in the base 1, a fixing bolt 11 in threaded connection is disposed outside the through hole, the stop valve is mounted and fixed, the fixed arc strips 7 are fixed on the valve body 2, the first fixed arc strips 6 are arranged at the left end and the right end of the valve body 2, the front ends and the rear ends of the second fixed arc strips 7 penetrate through the screw rods 8, the two ends of the screw rods 8 penetrate through the first fixed arc strips 6 on the left side and the right side respectively, the two first fixed nuts 9 on the two sides of the screw rods 8 are screwed in, so that the second fixed arc strips 7 are fixed on the valve body 2, meanwhile, the first fixed arc strips 6 are fixedly connected with the valve body 2 through the screw rods 8, the first fixed bolts 10 and the fixed nuts at the two ends of the first fixed arc strips 6 are screwed, the second fixed bolts 11 on the outer side of the base 1 are screwed at the same time, so that the first fixed arc strips 6 are fixed on the base 1, and the valve body 2 is immediately and stably arranged on the base 1;

a valve rod 4 is arranged in the valve body 2, a rotating handle 3 is fixedly connected to the upper end of the valve rod 4, a limiting block 13 arranged on the valve body 2 is arranged below the rotating handle 3, a valve plate 16 positioned in the valve body 2 is fixedly connected to the lower end of the valve rod 4, a ratchet 14 positioned in the limiting block 13 is fixedly arranged on the periphery of the valve rod 4, a clamping block 20 is arranged on one side of the ratchet 14, the clamping block 20 is rotatably connected to the inside of the limiting block 13 through a rotating rod two 22, a reset spring is arranged on the rotating rod two 22, the clamping block 20 is provided with a rotating rod one 21 rotatably connected to the inside of the limiting block 13, a pull rope 12 with one end fixedly connected with the clamping block 20 is wound on the periphery of the rotating rod one 21, a rotating knob 5 is fixedly connected to the front end of the rotating rod one 21, a left sealing rotating plate 17 and a right sealing rotating plate 17 rotatably connected to the inside of the valve body 2 are arranged on the lower side of the valve plate 16, a pinion 18 is fixedly connected to one end of the sealing rotating plate 17, the outside of the pinion 18 is provided with a rack 19 engaged with the pinion 18, and the two racks 19 are respectively connected with the left and right lower sides of the valve plate 16, when the valve body 2 is opened or closed through the rotating handle 3, the valve rod 4 rotates and is limited by the fixture block 20 on one side of the ratchet 14, at this time, the rotating knob 5 needs to rotate the first rotating rod 21 in the limiting block 13, the first rotating rod 21 tightens the pull rope 12, the fixture block 20 rotates, the ratchet 14 rotates immediately, and then the opening or closing action is carried out, the valve rod 4 drives the valve plate 16 to move downwards, the racks 19 at the two ends transmit the pinion 18 in the valve body 2, so that the pinion 18 drives the fixedly connected sealing rotating plate 17 to rotate inwards to match the valve plate 16.

The utility model discloses a theory of operation is:

when the stop valve is used, the stop valve needs to be installed and fixed, a fixed arc strip II 7 is fixed on a valve body 2, a fixed arc strip I6 is installed at the left end and the right end of the valve body 2, the front end and the rear end of the two fixed arc strips II 7 both penetrate through a screw rod 8, the two ends of the screw rod 8 respectively penetrate through two fixed arc strips I6 on the left side and the right side, two fixing nuts I9 on the two sides of the screw rod 8 are screwed in, so that the fixed arc strip II 7 is fixed on the valve body 2, meanwhile, the fixed arc strip I6 is fixedly connected with the valve body 2 through the screw rod 8, fixing bolts I10 and fixing nuts at the two ends of the two fixed arc strips I6 are screwed, meanwhile, fixing bolts II 11 on the outer side of a base 1 are screwed, so that the fixed arc strip I6 is fixed on the base 1, and the valve body 2 is immediately installed and fixed on the base 1; when the valve body 2 is opened or closed through the rotating handle 3, the valve rod 4 rotates and is limited by the fixture block 20 on one side of the ratchet wheel 14, at the moment, the rotating rod 21 in the limiting block 13 needs to be rotated through the rotating button 5, the pulling rope 12 is tightened by the rotating rod 21, the fixture block 20 rotates, the ratchet wheel 14 rotates immediately, opening or closing is further performed, the valve rod 4 drives the valve plate 16 to move downwards, the racks 19 at the two ends transmit the pinion 18 in the valve body 2, the pinion drives the fixedly connected sealing rotating plate 17 to rotate inwards, and the closing sealing performance of the valve body 2 is enhanced by matching with the valve plate 16.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A stop valve comprises a base (1) and is characterized in that a valve body (2) is installed on the base (1), a left fixed arc strip II (7) and a right fixed arc strip II (7) are installed on the periphery of the middle of the valve body (2), a front fixed arc strip I (6) and a rear fixed arc strip I (6) are installed on the periphery of the left end and the right end of the valve body (2), a valve rod (4) is arranged inside the valve body (2), a rotating handle (3) is fixedly connected to the upper end of the valve rod (4), a limiting block (13) installed on the valve body (2) is arranged below the rotating handle (3), a valve block (16) located in the valve body (2) is fixedly connected to the lower end of the valve rod (4), a ratchet wheel (14) located inside the limiting block (13) is fixedly installed on the periphery of the valve rod (4), a clamping block (20) is arranged on one side of the ratchet wheel (14), and the clamping block (20) is rotatably connected to the inside the limiting block (13) through a rotating rod II (22), and a return spring is arranged on the rotating rod II (22), the fixture block (20) is provided with a rotating rod I (21) which is rotatably connected inside the limiting block (13), and the lower side of the valve plate (16) is provided with a left sealing rotating plate (17) and a right sealing rotating plate (17) which are rotatably connected inside the valve body (2).

2. The stop valve according to claim 1, characterized in that the front end and the rear end of the second fixed arc strip (7) are both provided with a screw (8) in a penetrating way, and both ends of the screw (8) are both provided with a left fixed arc strip (6) and a right fixed arc strip (6) in a penetrating way.

3. The stop valve according to claim 2, characterized in that the outer ends of the screw (8) and the first (6) and second (7) fixed arc strips are in threaded connection with corresponding first fixing nuts (9), and the two ends of the first (6) fixed arc strips are in threaded connection with corresponding first fixing bolts (10) and corresponding nuts.

4. The stop valve according to claim 1, characterized in that a through hole corresponding to the lower end of the plurality of first fixing arc strips (6) is formed in the base (1), and a second fixing bolt (11) in threaded connection is arranged on the outer side of the through hole.

5. A stop valve according to claim 1, wherein a pull rope (12) with one end fixedly connected with the block (20) is wound around the periphery of the first rotating rod (21), and the knob (5) is fixedly connected with the front end of the first rotating rod (21).

6. A stop valve according to claim 1, characterized in that a pinion (18) is fixedly connected to one end of the sealing rotary plate (17), a rack (19) meshed with the pinion (18) is arranged on the outer side of the pinion (18), and the two racks (19) are respectively connected to the left and right lower sides of the valve plate (16).