CN212959966U

CN212959966U - High-temperature-resistant valve

Info

Publication number: CN212959966U
Application number: CN202021843551.1U
Authority: CN
Inventors: 陈碰; 刘豆
Original assignee: Tianjin Rongxin Valve Manufacturing Co ltd
Current assignee: Tianjin Rongxin Valve Manufacturing Co ltd
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2021-04-13
Anticipated expiration: 2030-08-29

Abstract

The utility model relates to the technical field of valves, specifically a high temperature resistant valve, the fixed ring flange that is provided with of both ends symmetry of valve body, and the fixed seal ring that is provided with of inside symmetry of valve body, the inside of valve body is located the position department rotation between two seal ring and is connected with the spheroid, and the fixed filter screen that is provided with in inside of valve body, the fixed valve rod that is provided with in spheroidal top, the top of valve body is provided with the valve gap, the one end of valve rod runs through valve body and valve gap in proper order and extends to its external fixation and be provided with first disc, the top symmetry of valve gap is fixed and is provided with first bracing piece, two link to each other through the second disc between the first. The utility model relates to a novelty, the fin can reduce the temperature of valve rod, and the design of motor, first gear, second gear and fourth bracing piece portion makes first disc can save the labour with the help of the direction of fourth bracing piece control valve core, has increased the practicality.

Description

High-temperature-resistant valve

Technical Field

The utility model relates to the technical field of valves, specifically a high temperature resistant valve.

Background

In a process industrial fluid regulating system, a valve is an essential important device, and is an important switch control element consisting of a control mechanism and a valve in an automatic control system. The ball valve is widely applied to one of valves, the working principle of the ball valve is the same as that of a plug valve, the valve is opened and closed by a rotary valve core, but the ball valve is lighter than the plug valve, has a relatively small size, can be made into a large-diameter ball valve, is reliable in sealing, simple in structure and convenient to maintain, and is not easily eroded by a medium when a sealing surface and a ball body are in a closed state, so that the ball valve is widely applied to industries such as petroleum, chemical engineering, metallurgy and the like.

However, the problem that the ball valve in the prior art exists is that the packing between the valve rod and the valve body is easy to lose efficacy because of high temperature when the temperature is high, on the other hand, the high temperature can cause the deformation of the valve ball to be too large, which leads to the increase of friction between the valve ball and the valve seat, the service life is shortened, the valve is cooled by adopting a water circulation cooling mode, although partial cooling effect can be obtained, the water resource waste is serious, the scale is easy to appear on the cooling water pipe, the water cooling effect is reduced, therefore, the technical personnel in the field provide a high temperature resistant valve, and the problem that is proposed in the background technology is solved.

Disclosure of Invention

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

In order to achieve the above purpose, the utility model provides a high temperature resistant valve, which comprises a valve body, wherein two ends of the valve body are symmetrically and fixedly provided with flange plates, and the valve body is internally and symmetrically and fixedly provided with sealing gaskets, the position of the interior of the valve body between the two sealing gaskets is rotatably connected with a ball body, and the interior of the valve body is fixedly provided with a filter screen, the outer side of the ball body is symmetrically provided with a valve core, and the upper part of the ball body is fixedly provided with a valve rod, the upper part of the valve body is provided with a valve cover, and the valve body is connected with the valve cover through screws, one end of the valve rod sequentially penetrates through the valve body and the valve cover and extends to the exterior thereof to be fixedly provided with a first disc, the outer side of the valve rod is fixedly provided with sealing filler in the interior of the valve body, the outer, two link to each other through the second disc between the first bracing piece, the inboard of second disc is located bottom central point and puts the fixed rotation piece that is provided with of department, the inside of rotating the piece rotates and is connected with the second bracing piece, the fixed first gear that is provided with in outside of second bracing piece, and the fixed third bracing piece that is provided with in one end of second bracing piece, the fixed fourth bracing piece that is provided with of both ends symmetry of third bracing piece, two the fourth bracing piece all runs through the second disc and extends to its outside and link to each other with first disc, the inboard of second disc is located one side of rotating the piece and is fixed and be provided with the motor, the fixed fifth bracing piece that is provided with in one end of motor, the fixed second gear that is provided with first gear engaged with of one end of fifth bracing piece.

As a further proposal of the utility model; and a circular through hole is formed below the second disc, and the inner diameter of the circular through hole is the same as the diameter of the fourth supporting rod.

As a further proposal of the utility model; the filter screen is a component made of stainless steel materials, and the aperture size of the filter screen is not more than 0.2 cm.

As a further proposal of the utility model; through holes are formed in the positions, connected with the two screws, of the upper portion of the valve cover, the diameters of the through holes are the same as those of the screws, and internal threads matched with the external threads of the screws are arranged inside the through holes.

As a further proposal of the utility model; the sealing washer is a rubber component, and the thickness of the sealing washer is not more than 1 cm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, it is nimble convenient, the filter screen can filter the medium that flows in the valve, the fin can reduce the temperature of valve rod, improve the life of valve, and the design of motor, first gear, second bracing piece, fourth bracing piece and fifth bracing piece portion makes first disc can take place to rotate with the help of the fourth bracing piece when the motor starts to control valve element's direction, easy operation has saved the labour greatly, has increased the practicality.

Drawings

FIG. 1 is a schematic view of a high temperature resistant valve;

FIG. 2 is a schematic sectional view of a high temperature resistant valve;

fig. 3 is an enlarged schematic view of a high temperature resistant valve at a in fig. 2.

In the figure: 1. a valve body; 2. a flange plate; 3. a sealing gasket; 4. a sphere; 5. a filter screen; 6. a valve core; 7. a valve stem; 8. a valve cover; 9. a screw; 10. a first disc; 11. sealing and filling; 12. a heat sink; 13. a first support bar; 14. a second disc; 15. a rotating member; 16. a second support bar; 17. a first gear; 18. a third support bar; 19. a fourth support bar; 20. a motor; 21. a fifth support bar; 22. a second gear.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a high temperature resistant valve includes a valve body 1, two ends of the valve body 1 are symmetrically and fixedly provided with flange plates 2, and the interior of the valve body 1 is symmetrically and fixedly provided with sealing gaskets 3, the interior of the valve body 1 is rotatably connected with a ball 4 at a position between the two sealing gaskets 3, and the interior of the valve body 1 is fixedly provided with a filter screen 5, the outer side of the ball 4 is symmetrically provided with a valve core 6, and the upper side of the ball 4 is fixedly provided with a valve rod 7, the upper side of the valve body 1 is provided with a valve cover 8, and the valve body 1 and the valve cover 8 are connected by a screw 9, one end of the valve rod 7 sequentially penetrates through the valve body 1 and the valve cover 8 and extends to the exterior thereof to be fixedly provided with a first disc 10, and the outer side of the valve rod 7 is fixedly, the upper part of the valve cover 8 is symmetrically and fixedly provided with first supporting rods 13, the two first supporting rods 13 are connected through a second circular disc 14, the inner side of the second circular disc 14 at the center of the bottom end is fixedly provided with a rotating part 15, the inner part of the rotating part 15 is rotatably connected with a second supporting rod 16, the outer side of the second supporting rod 16 is fixedly provided with a first gear 17, and one end of the second support bar 16 is fixedly provided with a third support bar 18, two ends of the third support bar 18 are symmetrically and fixedly provided with fourth support bars 19, two fourth support bars 19 all penetrate through the second disc 14 and extend to the outside of the second disc to be connected with the first disc 10, one side of the inner side of the second disc 14, which is located on the rotating part 15, is fixedly provided with a motor 20, one end of the motor 20 is fixedly provided with a fifth support bar 21, and one end of the fifth support bar 21 is fixedly provided with a second gear 22 which is meshed with the first gear 17.

In fig. 1, a circular through hole is opened below the second disc 14, and the inner diameter of the circular through hole is the same as the diameter of the fourth support rod 19, so that the fourth support rod 19 can rotate along with the rotation of the third support rod 18.

In fig. 2, the filter screen 5 is a stainless steel member, and the aperture size of the filter screen 5 is not more than 0.2cm, so that impurities in the medium can be filtered.

In fig. 1, through holes are formed in the upper portion of the valve cover 8 at the connection positions of the two screws 9, the diameters of the through holes are the same as those of the screws 9, and internal threads matched with the external threads of the screws 9 are arranged inside the through holes, so that the valve cover 8 can be fixed above the valve body 1.

In fig. 2, the sealing washer 3 is a rubber member, and the thickness of the sealing washer 3 is not more than 1cm, so as to improve the sealing performance of the valve assembly.

The utility model discloses a theory of operation is: when the valve is used, firstly, two pipelines to be connected are respectively fixed at two ends of a valve body 1 by means of two flange plates 2, then a control switch of a motor 20 is turned on, the rotation of a transmission shaft of the motor 20 drives a fifth support rod 21 to rotate, the rotation of the fifth support rod 21 drives a second gear 22 to rotate, the rotation of the second gear 22 drives a first gear 17 to rotate, the rotation of the first gear 17 drives a second support rod 16 to rotate, so as to drive a third support rod 18 to rotate, the rotation of the third support rod 18 drives two fourth support rods 19 to rotate, so as to drive a first disc 10 to rotate, the rotation of the first disc 10 drives a valve rod 7 to rotate, so as to drive a ball 4 to rotate, the rotation of the ball 4 drives a valve core 6 to rotate until the valve core 6 is parallel to a channel in the valve body 1, and at the moment, a medium in one pipeline can flow into the other pipeline through the valve device, when the valve core 6 is vertical to the channel in the valve body 1, the medium in the pipeline can not flow into another pipeline through the valve device, the filter screen can filter impurities in the medium, the radiating fins can reduce the temperature of the valve rod, the service life of the valve device is prolonged, the operation is simple, and the practicability is improved.

The above-mentioned, 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. The high-temperature-resistant valve comprises a valve body (1) and is characterized in that flange plates (2) are symmetrically and fixedly arranged at two ends of the valve body (1), sealing gaskets (3) are symmetrically and fixedly arranged inside the valve body (1), a ball body (4) is rotatably connected to a position, which is positioned between the two sealing gaskets (3), inside the valve body (1) and is fixedly provided with a filter screen (5), a valve core (6) is symmetrically arranged at the outer side of the ball body (4), a valve rod (7) is fixedly arranged above the ball body (4), a valve cover (8) is arranged above the valve body (1), the valve body (1) and the valve cover (8) are connected through screws (9), one end of the valve rod (7) sequentially penetrates through the valve body (1) and the valve cover (8) and extends to the outside of the valve body and is fixedly provided with a first disc (10), and the outside of the valve rod (7) is positioned in the valve body (1) and fixedly provided with a sealing filler (11), the outside of the valve rod (7) is positioned below the sealing filler (11) and fixedly provided with a heat radiating fin (12), the upper part of the valve cover (8) is symmetrically and fixedly provided with first supporting rods (13), the two first supporting rods (13) are connected through a second disc (14), the inner side of the second disc (14) is positioned at the bottom center position and fixedly provided with a rotating part (15), the inner part of the rotating part (15) is rotatably connected with a second supporting rod (16), the outside of the second supporting rod (16) is fixedly provided with a first gear (17), one end of the second supporting rod (16) is fixedly provided with a third supporting rod (18), and the two ends of the third supporting rod (18) are symmetrically and fixedly provided with a fourth supporting rod (19), two fourth bracing piece (19) all run through second disc (14) and extend to its outside and link to each other with first disc (10), the inboard of second disc (14) is located one side fixed motor (20) that is provided with of rotating piece (15), the one end of motor (20) is fixed and is provided with fifth bracing piece (21), the one end fixed second gear (22) that are engaged with first gear (17) that is provided with of fifth bracing piece (21).

2. The high temperature resistant valve according to claim 1, wherein a circular through hole is opened below the second disk (14), and the inner diameter of the circular through hole is the same as the diameter of the fourth support rod (19).

3. A high temperature resistant valve according to claim 1, wherein the filter screen (5) is a stainless steel member, and the filter screen (5) has a pore size not exceeding 0.2 cm.

4. The high-temperature-resistant valve as claimed in claim 1, wherein through holes are formed in the upper portion of the valve cover (8) at the connection positions of the valve cover and the two screws (9), the diameters of the through holes are the same as those of the screws (9), and internal threads matched with external threads of the screws (9) are arranged inside the through holes.

5. A high temperature resistant valve according to claim 1, wherein the sealing gasket (3) is a rubber member and the thickness of the sealing gasket (3) does not exceed 1 cm.