CN213628931U

CN213628931U - Linear driving type valve

Info

Publication number: CN213628931U
Application number: CN202022363597.XU
Authority: CN
Inventors: 李艳征; 陈双河; 洪江河; 陈炳忠; 耿梅
Original assignee: Changzhou Xinruisi Energy Equipment Co ltd
Current assignee: Changzhou Xinruisi Energy Equipment Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-06
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a linear driving valve, which comprises a valve body, wherein the top and the bottom of the valve body are respectively provided with a water inlet and a water outlet, the top surface of the inner cavity of the valve body is a conical surface, a conical piston is movably connected inside the conical surface, the bottom of the conical piston is fixedly connected with a guide rod, the bottom end of the guide rod is rotatably connected with a first rotating rod and a second rotating rod through a rotating block, the threaded rod is rotatably connected inside the valve body, the left side and the right side of the outer surface of the threaded rod are both in threaded connection with the threaded block, the conical piston can be driven to be in close contact with the inner wall of the valve body through the matching among the threaded rod, the threaded block, the first rotating rod, the second rotating rod and the guide rod, even the valve body inner wall and the conical piston have contact friction, the position of the thread block on the threaded rod is adjustable, and the situation that the sealing performance is not high due to friction can be avoided.

Description

Linear driving type valve

Technical Field

The utility model relates to the technical field of valves, specifically a linear drive formula valve.

Background

Definition of the valve: the device is used for controlling the direction, pressure and flow of fluid in a fluid system. The valve is a device that can control the flow rate of a medium (liquid, gas, powder) in a pipe or equipment by flowing or stopping the medium. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, non-return, flow splitting, overflow pressure relief and the like.

Traditional drive formula valve is too fixed to the structure that the valve was opened and close, and along with live time's lapse, the valve body inner wall of its piston and piston contact can produce certain friction, and then can lead to appearing certain intermittent type, leads to its sealed effect variation, for this the utility model provides a straight line drive formula valve.

Disclosure of Invention

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

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a linear drive formula valve, which comprises a valve body, water inlet and delivery port have been seted up respectively to the top and the bottom of valve body, the top surface of valve body inner chamber is the conical surface, the inside swing joint of conical surface has conical piston, conical piston's bottom fixedly connected with guide bar, the bottom of guide bar is rotated through the turning block and is connected with first dwang and second dwang, the inside of valve body is rotated and is connected with the threaded rod, the equal threaded connection in the left and right sides of threaded rod surface has the thread block, two the top of thread block is rotated with the bottom of first dwang and second dwang respectively and is connected, the screw thread opposite direction of the threaded rod surface left and right sides.

As an optimal technical solution of the utility model: the right-hand member fixedly connected with dead lever of threaded rod, the right-hand member fixedly connected with drive wheel of dead lever.

As an optimal technical solution of the utility model: the left side and the right side inside the valve body are fixedly connected with supporting rods.

As an optimal technical solution of the utility model: two through fixed cover fixed connection between the relative one end of branch, the inside of fixed cover and the surface sliding connection of guide bar.

As an optimal technical solution of the utility model: and the surface of the conical surface at the top of the inner cavity of the valve body is fixedly connected with a rubber ring.

As an optimal technical solution of the utility model: and a sealing plug is arranged between the outer surface of the fixed rod and the inner wall of the valve body.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a cooperation between threaded rod, thread piece, first dwang, second dwang and the guide bar can drive the inner wall of conical piston and valve body and carry out in close contact with, even the valve body inner wall has the contact friction with conical piston, makes the thread piece adjustable in the position of threaded rod, and then can avoid leading to the condition that the leakproofness is not high to appear because of the friction.

Drawings

Fig. 1 is a schematic structural view of a linear driving type valve.

Fig. 2 is a schematic view of the outer structure of a linear driving type valve.

Fig. 3 is an enlarged view of a portion of the linear actuated valve shown at a in fig. 1.

In the figure: 1. a valve body; 2. a water inlet; 3. a water outlet; 4. a conical piston; 5. a guide bar; 6. rotating the block; 7. a first rotating lever; 8. a second rotating lever; 9. a threaded rod; 10. a thread block; 11. fixing the rod; 12. a drive wheel; 13. a strut; 14. fixing a sleeve; 15. a rubber ring; 16. and (4) sealing the plug.

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.

Example (b): as shown in fig. 1-3, the utility model provides a linear drive formula valve, including valve body 1, water inlet 2 and delivery port 3 have been seted up respectively to the top and the bottom of valve body 1, the top surface of 1 inner chamber of valve body is the conical surface, the inside swing joint of conical surface has conical piston 4, conical piston 4's bottom fixedly connected with guide bar 5, the bottom of guide bar 5 is rotated through turning block 6 and is connected with first dwang 7 and second dwang 8, the inside of valve body 1 is rotated and is connected with threaded rod 9, the equal threaded connection in the left and right sides of threaded rod 9 surface has thread block 10, the top of two thread blocks 10 is rotated with the bottom of first dwang 7 and second dwang 8 respectively and is connected, the screw thread opposite direction of the 9 surface left and right sides of threaded rod.

Wherein, the right end fixedly connected with dead lever 11 of threaded rod 9, the right end fixedly connected with drive wheel 12 of dead lever 11, can drive dead lever 11 through drive wheel 12 and rotate.

Wherein, the left and right sides inside the valve body 1 are fixedly connected with a support rod 13.

Wherein, the opposite ends of the two support rods 13 are fixedly connected through a fixing sleeve 14, and the inner part of the fixing sleeve 14 is slidably connected with the outer surface of the guide rod 5, so that the guide rod 5 can move more stably through the fixing sleeve 14.

Wherein, the surface of the conical surface at the top of the inner cavity of the valve body 1 is fixedly connected with a rubber ring 15.

Wherein, a sealing plug 16 is arranged between the outer surface of the fixing rod 11 and the inner wall of the valve body 1.

Specifically, the utility model discloses during the use: the threaded rod 9 can be driven to rotate by rotating the driving wheel 12, and the first rotating rod 7 and the second rotating rod 8 can be driven to rotate simultaneously by matching with the two threaded blocks 10, so that the guide rod 5 is driven to be in sliding connection with the inner part of the fixed sleeve 14, and the conical piston 4 is driven to be in close contact with the rubber ring 15.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A linear driving type valve comprises a valve body (1) and is characterized in that the top and the bottom of the valve body (1) are respectively provided with a water inlet (2) and a water outlet (3), the top surface of the inner cavity of the valve body (1) is a conical surface, a conical piston (4) is movably connected inside the conical surface, the bottom of the conical piston (4) is fixedly connected with a guide rod (5), the bottom end of the guide rod (5) is rotatably connected with a first rotating rod (7) and a second rotating rod (8) through a rotating block (6), the inside of valve body (1) is rotated and is connected with threaded rod (9), the equal threaded connection in the left and right sides of threaded rod (9) surface has screw block (10), two the top of screw block (10) rotates with the bottom of first dwang (7) and second dwang (8) respectively and is connected, the screw thread opposite direction of the threaded rod (9) surface left and right sides.

2. A valve according to claim 1, wherein a fixed rod (11) is fixedly connected to the right end of the threaded rod (9), and a driving wheel (12) is fixedly connected to the right end of the fixed rod (11).

3. A linear actuation valve according to claim 1, characterized in that a support rod (13) is fixedly connected to each of the left and right sides of the interior of the valve body (1).

4. A valve according to claim 3, wherein the opposite ends of said two support rods (13) are fixedly connected by a fixing sleeve (14), the inner part of said fixing sleeve (14) being slidably connected to the outer surface of the guide rod (5).

5. The linear driving valve as claimed in claim 1, wherein a rubber ring (15) is fixedly connected to the surface of the conical surface at the top of the inner cavity of the valve body (1).

6. A linear actuation valve according to claim 2, characterized in that a sealing plug (16) is arranged between the outer surface of the fixing rod (11) and the inner wall of the valve body (1).