Conical valve element valve with insertion piece type sealing structure

Abstract

The utility model relates to the field of valves, and discloses a conical valve core valve with an insertion piece type sealing structure, which comprises a valve body, a bearing body is in threaded connection with the interior of the valve body, a valve core body is rotatably connected with the interior of the valve body, a valve rod is fixedly connected with the top of the valve core body, two annular rings are arranged on the upper side of the valve core body, and the valve rod is fixedly connected with the bearing body. A sealing assembly is installed outside the valve element body, a fixing assembly is installed at the top of the valve body, the sealing assembly comprises an inserting piece, the inserting piece is arranged in the valve body, the inserting piece is sleeved with a sealing gasket, and the fixing assembly comprises a fixing plate. According to the valve element, the inserting piece is installed in the valve body and matched with the sealing gasket, the gap between the valve element body and the valve body is filled, effective sealing is achieved, meanwhile, the size of the sealing gasket is small, most of the sealing gasket is filled with the inserting piece, the cracking coefficient is small, and the service life of the valve is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve field especially relates to a conical valve core valve with insert piece type sealing structure. BACKGROUND

[0002] The conical valve core valve is a kind of important valve type commonly used in fluid control system, is widely used in petroleum, chemical industry, pharmacy, electric power etc., and its core component is a valve core with conical shape, the position of valve core is adjusted to control the flow, pressure and direction of fluid, conical valve core usually works in sealing cooperation with valve seat, and the passage of fluid is accurately adjusted by rotating, lifting etc. Movement mode, to realize the function of fluid control, compared with other types of valves, conical valve core valve has the advantages of compact structure, good sealing, high adjustment precision etc.

[0003] The working principle of conical valve core valve is based on the relative motion between valve core and valve seat, the conical design of valve core makes it can provide better sealing effect when closing, and can smoothly adjust the flow of fluid when opening, the control mode of valve is manual, electric or pneumatic, and appropriate control mode can be selected according to different working conditions, due to its sealing performance and flow regulation capacity, conical valve core valve is often used in occasions needing accurate flow control and high reliability.

[0004] The valve core of conical valve core valve has strong sealing property and can bear strong pressure, but in traditional conical valve core valve, sealing pad for sealing valve core will shrink and harden or even crack due to long time, causing valve body to leak, and service life is shorter, therefore, a conical valve core valve with insert piece type sealing structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a conical valve core valve with insert piece type sealing structure, to improve the problem that in traditional conical valve core valve, sealing pad for sealing valve core will shrink and harden or even crack due to long time, causing valve body to leak, and service life is shorter.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a conical valve core valve with insert piece type sealing structure, including valve body, the inside of valve body is connected with bearing body by screw thread, the inside of valve body is rotatably connected with valve core body, the top of valve core body is fixedly connected with valve rod, the upper side of valve core body is provided with two annular rings, the outside of valve core body is installed with sealing assembly, the top of valve body is installed with fixed assembly;

[0007] The sealing assembly includes insert piece, the insert piece is arranged in the inside of valve body, and sealing pad is sleeved on the outside of insert piece.

[0008] As a further description of the above technical solutions:

[0009] The fixed assembly comprises a fixed plate, the fixed plate is externally slidably connected to the top of the valve body, a pin shaft is slidably connected to the inside of the fixed plate, and two nuts are threadedly connected to the front side of the pin shaft.

[0010] As a further description of the above technical solutions:

[0011] The bottom of the valve core body is rotationally connected to the top of the carrier body, and the outside of the valve rod is rotationally connected to the top of the valve body.

[0012] As a further description of the above technical solutions:

[0013] The upper side of the carrier body is a filter screen, and the outside of the annular ring is rotationally connected to the inside of the valve body.

[0014] As a further description of the above technical solutions:

[0015] The outside of the pin shaft penetrates the top of the valve body, and the rear side of the nut is rotationally connected to the front side of the valve body.

[0016] As a further description of the above technical solutions:

[0017] The outside of the sealing gasket is slidably connected to the outer wall of the valve core body, and the outside of the plug-in piece is slidably connected to the outer wall of the valve core body.

[0018] As a further description of the above technical solutions:

[0019] The outside of the sealing gasket abuts against the inner wall of the valve body.

[0020] As a further description of the above technical solutions:

[0021] The outside of the valve rod is rotationally connected to the bottom of the fixed plate.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、In the utility model, the gap between the valve core body and the valve body is filled by installing the plug-in piece in the valve body and cooperating with the sealing gasket, effective sealing is realized, the volume of the sealing gasket is relatively small, most of the gap is filled by the plug-in piece, so that the cracking coefficient is small, and the service life of the valve is effectively improved.

[0024] 2、In the utility model, the nut is separated from the pin shaft by rotating the nut, and the pin shaft is pulled out from the valve body, so that the fixed plate can be quickly disassembled and assembled, the actuator is conveniently installed, and the operation is convenient, time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of a conical valve core valve with a plug type sealing structure is provided in the utility model;

[0026] Figure 2 A structure schematic view of a bearing body of a conical valve core valve with a plug type sealing structure is provided in the utility model;

[0027] Figure 3 A structure schematic view of a valve core body of a conical valve core valve with a plug type sealing structure is provided in the utility model;

[0028] Figure 4 For Figure 2 The enlarged view of A in the figure.

[0029] Legend:

[0030] 1, valve body;2, bearing body;3, valve core body;4, valve stem;5, annular ring;6, sealing gasket;7, plug-in sheet;8, fixed plate;9, pin shaft;10, nut. Specific implementation

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] Referring to Figure 1 - Figure 4 An embodiment provided by the utility model: a conical valve core valve with a plug type sealing structure, comprising a valve body 1, a bearing body 2 is screw-connected inside the valve body 1, a valve core body 3 is rotationally connected inside the valve body 1, a valve stem 4 is fixedly connected to the top of the valve core body 3, two annular rings 5 are arranged on the upper side of the valve core body 3, the valve body 1 is used for connecting and protecting internal parts, the bearing body 2 is used for supporting the valve core body 3, avoiding the valve core body 3 from falling off, and preventing impurities from entering the valve body 1, the valve core body 3 is used for controlling the direction of water flow, the valve stem 4 is used for driving the valve core body 3 to rotate synchronously, the annular ring 5 is used for sealing the upper part of the valve, a sealing assembly is installed outside the valve core body 3, and a fixed assembly is installed on the top of the valve body 1;

[0033] The sealing assembly comprises a splicing piece 7 arranged inside the valve body 1, a sealing gasket 6 sleeved outside the splicing piece 7, the splicing piece 7 being used for filling the gap between the valve body 1 and the valve core body 3, the sealing gasket 6 being used for sealing the splicing piece 7, the valve core body 3 being rotatably connected to the top of the bearing body 2 to keep the valve core body 3 stable, the valve rod 4 being rotatably connected to the top of the valve body 1 to keep the valve rod 4 stable, the upper side of the bearing body 2 being a filter screen for filtering out impurities in the water body, the annular ring 5 being rotatably connected to the inner side of the valve body 1 to realize upper sealing, the sealing gasket 6 being slidably connected to the outer wall of the valve core body 3, and the splicing piece 7 being slidably connected to the outer wall of the valve core body 3 to make the valve core body 3 tightly contact the sealing gasket 6 and the splicing piece 7, so that no gap is formed, and the sealing gasket 6 is abutted against the inner wall of the valve body 1 to realize sealing.

[0034] Reference Figure 1 - Figure 4 The fixing assembly comprises a fixing plate 8 slidably connected to the top of the valve body 1, a pin shaft 9 slidably connected to the inside of the fixing plate 8, and two nuts 10 threadedly connected to the front side of the pin shaft 9, the fixing plate 8 being used for fixing and bearing the actuating mechanism, the pin shaft 9 being used for fixing the fixing plate 8 to the top of the valve body 1, and the nuts 10 being used for keeping the pin shaft 9 stable to avoid falling off, the valve rod 4 being rotatably connected to the bottom of the fixing plate 8 to keep the nuts 10 stable.

[0035] Working principle: when the device is used, the actuating mechanism is first installed on the top of the valve body 1, the fixing plate 8 with the actuating mechanism fixed thereon is first put into the top of the valve body 1, then the pin shaft 9 is penetrated through the valve body 1 and the fixing plate 8 from the rear side of the valve body 1, and finally the nuts 10 are screwed into the pin shaft 9 to realize installation, then the valve core body 3 can be rotated through the actuating mechanism, the valve rod 4 is rotated through the actuating mechanism, the valve core body 3 is synchronously rotated under the support of the bearing body 2, and the gap between the valve body 1 and the valve core body 3 is filled by the splicing piece 7 and the sealing gasket 6, so that sealing is realized and the phenomenon of leakage is avoided, thereby effectively improving the service life.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A conical valve core valve with a insert-type sealing structure, comprising a valve body (1), characterized in that: The valve body (1) is internally threaded with a bearing body (2), the valve body (1) is internally rotatably connected with a valve core body (3), the valve core body (3) is fixedly connected with a valve stem (4) at the top, the valve core body (3) is provided with two annular rings (5) on the upper side, the valve core body (3) is externally installed with a sealing assembly, and the valve body (1) is fixedly installed with a fixing assembly at the top. The sealing assembly includes a plug-in piece (7), which is disposed inside the valve body (1), and a sealing gasket (6) is fitted over the plug-in piece (7).

2. A conical valve core valve with a insert-type sealing structure according to claim 1, characterized in that: The fixing assembly includes a fixing plate (8), which is externally slidably connected to the top of the valve body (1), and a pin (9) is internally slidably connected to the fixing plate (8). Two nuts (10) are threadedly connected to the front side of the pin (9).

3. A conical valve core valve with a insert-type sealing structure according to claim 1, characterized in that: The bottom of the valve core body (3) is rotatably connected to the top of the carrier (2), and the valve stem (4) is rotatably connected to the top of the valve body (1).

4. A conical valve core valve with a insert-type sealing structure according to claim 1, characterized in that: The upper side of the carrier (2) is a filter screen, and the annular ring (5) is rotatably connected to the inner side of the valve body (1).

5. A conical valve core valve with a insert-type sealing structure according to claim 2, characterized in that: The pin (9) extends through the top of the valve body (1) and the nut (10) is rotatably connected to the front of the valve body (1) from the rear.

6. A conical valve core valve with a insert-type sealing structure according to claim 1, characterized in that: The sealing gasket (6) is externally slidably connected to the outer wall of the valve core body (3), and the plug-in piece (7) is externally slidably connected to the outer wall of the valve core body (3).

7. A conical valve core valve with a insert-type sealing structure according to claim 1, characterized in that: The sealing gasket (6) abuts against the outer side and the inner wall of the valve body (1).

8. A conical valve core valve with a insert-type sealing structure according to claim 2, characterized in that: The valve stem (4) is externally rotatably connected to the bottom of the fixed plate (8).

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