Valve with good sealing performance

Abstract

The utility model relates to a valve with good sealing performance, which belongs to the field of valves and comprises a valve body, a movable sealing component is mounted on the valve body, a guide component is mounted on the valve body, the movable sealing component comprises a mounting frame and a mounting rod, the mounting frame is fixedly mounted in the valve body, and the mounting rod is fixedly mounted in the mounting frame. An annular block is slidably mounted on the outer side of the mounting rod, a sealing ring is fixedly mounted on the outer side of the annular block, and a connecting column is fixedly mounted at the top of the valve body. According to the valve with the good sealing performance, by installing the movable sealing assembly, the flow of flowing water can be conveniently adjusted according to the use requirement, so that the valve can be better sealed when not used, the sealing effect of a water through hole is improved, and the effect of the sealing performance is improved in the use process of the valve; guiding is provided for vertical movement of the sealing ring, and the sealing quality and the using effect of the device are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is a valve with good sealing performance. BACKGROUND

[0002] Valve is the device for controlling the direction, pressure and flow of fluid in a fluid system, which is used to control the flow or stop of medium in piping and equipment and control its flow rate, and valve is a control component in fluid conveying system, which is used to change the passage section and medium flow direction and has the functions of flow guiding, stopping, throttling, check, dividing or overflow pressure relief.

[0003] Please refer to the announcement number CN112128400A, a valve with good sealing performance, the device realizes the function of double-layer efficient sealing after long time use, solves the problem of poor sealing of traditional valve after long time use, improves the sealing performance of valve after long time use; solve the problem that the surface of the traditional rotary valve is easy to be contaminated by objects, which leads to poor sealing performance of the valve, improve the sealing time of the valve; solve the problem that the traditional valve is not convenient to install, improve the convenience of installing the valve.

[0004] In the above-mentioned patent, due to the fact that the valve needs to be opened and closed frequently, and the valve is subjected to external factors such as pressure and vibration, some valves have the problem of insufficient sealing after a period of use, which causes fluid to leak from the gap between the valve stem and the valve body, and the sealing reliability is not strong, which reduces the quality of valve use, and the present application proposes another technical solution to solve the technical problem. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a valve with good sealing performance, which has the advantages of movement adjustment and solves the problems of fluid leakage from the gap between the valve stem and the valve body, poor sealing reliability and reduced quality of valve use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a valve with good sealing performance, comprising a valve body, a mobile sealing assembly is installed on the valve body, a guide assembly is installed on the valve body;

[0007] The mobile sealing assembly comprises an installation frame fixedly installed in the valve body, an installation rod fixedly installed in the inside of the installation frame, an annular block slidingly installed on the outside of the installation rod, a sealing ring fixedly installed on the outside of the annular block, and a connecting column fixedly installed on the top of the valve body;

[0008] A screw rod is threadedly connected to the inside of the connecting column, an installation plate is arranged at the bottom of the screw rod, two connecting push rods are fixedly installed at the bottom of the installation plate, and a first sealing ring is fixedly installed on the outside of the two connecting push rods.

[0009] Further, the guide assembly comprises two vertical columns fixedly installed on the bottom of the inner wall of the mounting frame, telescopic springs fixedly installed inside the two vertical columns, sliding plates fixedly installed on the top of the two telescopic springs, guide rods fixedly installed on the top of the two sliding plates, and second sealing rings fixedly installed on the outer side of the two guide rods.

[0010] Further, the mounting frame is provided with through holes on both sides for water flow, and the first sealing ring is provided in four.

[0011] Further, the top of the connecting column is provided with a threaded hole, and the screw rod is threadedly connected with the connecting column through the threaded hole.

[0012] Further, the top of the valve body is provided with an extension hole, and the connecting push rod penetrates into the inside of the valve body through the extension hole.

[0013] Further, the inside of the two vertical columns is provided with a sliding groove, and the sliding plate is slidingly connected with the vertical column through the sliding groove.

[0014] Further, the top of the two vertical columns is provided with a through hole, and the guide rod extends into the inside of the vertical column through the through hole.

[0015] Further, the second sealing ring is provided in four, and the two guide rods are fixedly connected with the top of the annular block.

[0016] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0017] The valve with good sealing performance is provided with a movable sealing assembly, so that the flow of water can be adjusted according to the use requirement, the valve can be better sealed when it is not in use, the sealing effect of the through hole is improved, the sealing performance is improved during the use of the valve, and the sealing quality and use effect of the device are further improved by providing the guide assembly for the upward and downward movement of the sealing ring. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a sectional view of the utility model structure;

[0019] Figure 2 It is a sectional view of the utility model structure; Figure 1 It is an enlarged view of structure A in the utility model;

[0020] Figure 3 It is a sectional view of the utility model structure;

[0021] Figure 4 It is a sectional view of the utility model structure;

[0022] In the figure: 1, valve body; 2, mounting frame; 3, mounting rod; 4, annular block; 5, sealing ring; 6, connecting column; 7, screw; 8, mounting plate; 9, connecting push rod; 10, first sealing ring; 11, stand; 12, extension spring; 13, sliding plate; 14, guide rod; 15, second sealing ring. DETAILED DESCRIPTION

[0023] The technical solutions 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1 to 4 The valve with good sealing performance in the embodiment comprises a valve body 1, a mobile sealing assembly is installed on the valve body 1, and a guide assembly is installed on the valve body 1.

[0025] Embodiment one: the mobile sealing assembly comprises a mounting frame 2 fixedly installed inside the valve body 1, through holes for water flow are formed in the two sides of the mounting frame 2, and a mounting rod 3 is fixedly installed inside the mounting frame 2.

[0026] An annular block 4 is slidingly installed on the outer side of the mounting rod 3, a sealing ring 5 is fixedly installed on the outer side of the annular block 4, and a connecting column 6 is fixedly installed on the top of the valve body 1.

[0027] The connecting column 6 is internally screwed with a screw 7, a threaded hole is formed in the top of the connecting column 6, the screw 7 is screwed with the connecting column 6 through the threaded hole, and a turntable is fixedly installed on the top of the screw 7, so that the user can conveniently rotate the screw 7 by twisting the turntable.

[0028] The bottom of the screw 7 is provided with a mounting plate 8, an axle sleeve is fixedly installed on the top of the mounting plate 8, the screw 7 is rotatably installed inside the axle sleeve, two connecting push rods 9 are fixedly installed on the bottom of the mounting plate 8, an extension hole is formed in the top of the valve body 1, and the connecting push rods 9 pass through the extension hole and extend into the valve body 1.

[0029] In addition, the outer sides of the two connecting push rods 9 are fixedly installed with first sealing rings 10, the number of the first sealing rings 10 is four, so that the connecting push rods 9 can reduce the water overflow from the valve body 1 when moving and improve the sealing quality of the valve body 1.

[0030] Need to explain, this good sealing performance valve, through the installation of mobile sealing assembly, according to the use demand, and then adjust the flow of water, in order to better sealing when the valve is not in use, improve the sealing effect of the through hole, help to improve the sealing performance effect in the process of valve use.

[0031] Specifically, the good sealing performance valve, when in use, rotates the rotating disc, drives the screw rod 7 to rotate in the connecting column 6, and then makes the mounting plate 8 move down, synchronously drives the connecting push rod 9 to move down, makes the connecting push rod 9 and the top of the annular block 4 fit, at the same time, makes the annular block 4 slide down outside the mounting rod 3, makes the sealing ring 5 move down, removes the sealing of the through hole, makes the water flow, when sealing, rotates the rotating disc in the opposite direction, makes the annular block 4 move up, and then the sealing ring 5 moves up to seal the through hole again, controls the flow of the valve body 1, improves the sealing effect of the through hole, helps to improve the sealing performance effect in the process of valve use.

[0032] Example two: please refer to Figure 1 On the basis of example one, the valve body 1 is also provided with a guide assembly, the guide assembly includes two vertical columns 11 fixedly installed on the inner wall bottom of the mounting frame 2, and the two vertical columns 11 are fixedly installed with two telescopic springs 12 inside.

[0033] The top of the two telescopic springs 12 is fixedly installed with a sliding plate 13, and the inside of the two vertical columns 11 is provided with a sliding groove, and the sliding plate 13 is slidably connected with the vertical column 11 through the sliding groove, which provides guidance for the movement of the sliding plate 13.

[0034] Among them, the top of the two sliding plates 13 is fixedly installed with a guide rod 14, and the top of the two vertical columns 11 is provided with a through hole, and the guide rod 14 extends to the inside of the vertical column 11 through the through hole, and the number of the second sealing ring 15 is four, and the two guide rods 14 are fixedly connected with the top of the annular block 4.

[0035] The outer side of the two guide rods 14 is fixedly installed with a second sealing ring 15, and the second sealing ring 15 reduces the penetration of water into the inside of the vertical column 11 when the guide rod 14 moves, and improves the effect of the device in use.

[0036] Need to explain, this good sealing performance valve, through the installation of guide assembly, provides guidance for the up and down movement of the sealing ring 5, further improves the sealing quality and use effect of the device.

[0037] Specifically, when the annular block 4 moves down, the guide rod 14 drives the sliding plate 13 to move down, at the same time, the telescopic spring 12 is compressed, when the connecting push rod 9 removes the pushing force on the annular block 4, the telescopic spring 12 resets, synchronously drives the sliding plate 13 to move up, drives the annular block 4 to move up through the guide rod 14, and then seals the through hole.

[0038] The working principle of the above embodiment is as follows:

[0039] (1) The valve with good sealing performance, in use, the rotating disc is rotated to drive the screw rod 7 to rotate in the connecting column 6, and then the mounting plate 8 is lowered to synchronously drive the connecting push rod 9 to be lowered, so that the connecting push rod 9 is attached to the top of the annular block 4, and at the same time, the annular block 4 is slidably lowered outside the mounting rod 3, so that the sealing ring 5 is lowered to unseal the through hole, so that the flowing water is circulated, and in the sealing process, the rotating disc is rotated in the opposite direction to make the annular block 4 move upwards, and then the sealing ring 5 moves upwards to seal the through hole again, so as to control the flow of the valve body 1, improve the sealing effect of the through hole, and improve the sealing performance in the process of using the valve.

[0040] (2) The valve with good sealing performance, when the annular block 4 is lowered, the guide rod 14 drives the sliding plate 13 to be lowered, and at the same time, the extension spring 12 is compressed, when the connecting push rod 9 removes the pushing force on the annular block 4, the extension spring 12 is reset to synchronously drive the sliding plate 13 to move upwards, and the guide rod 14 drives the annular block 4 to move upwards, and then the through hole is sealed.

[0041] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations exist in any such actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A valve with good sealing properties, comprising a valve body (1), characterised in that: The valve body (1) is provided with a mobile sealing assembly and a guide assembly; The mobile sealing assembly comprises an installation frame (2) fixedly installed inside the valve body (1), an installation rod (3) fixedly installed inside the installation frame (2), an annular block (4) slidingly installed outside the installation rod (3), a sealing ring (5) fixedly installed outside the annular block (4), and a connecting column (6) fixedly installed on the top of the valve body (1); The connecting column (6) is internally screwed with a screw rod (7), the bottom of the screw rod (7) is provided with an installation plate (8), the bottom of the installation plate (8) is fixedly installed with two connecting push rods (9), and the outer sides of the two connecting push rods (9) are fixedly installed with first sealing rings (10).

2. The valve of claim 1, wherein: The guide assembly comprises two vertical columns (11) fixedly installed on the bottom of the inner wall of the installation frame (2), two telescopic springs (12) fixedly installed inside the two vertical columns (11), two sliding plates (13) fixedly installed on the top of the two telescopic springs (12), two guide rods (14) fixedly installed on the top of the two sliding plates (13), and two second sealing rings (15) fixedly installed outside the two guide rods (14).

3. The valve of claim 1, wherein: The installation frame (2) is provided with through holes on both sides for water flow, and the number of the first sealing rings (10) is four.

4. The valve of claim 1, wherein: The top of the connecting column (6) is provided with a threaded hole, and the screw rod (7) is screwed with the connecting column (6) through the threaded hole.

5. The valve of claim 1, wherein: The top of the valve body (1) is provided with an extension hole, and the connecting push rod (9) penetrates through the extension hole to the inside of the valve body (1).

6. The valve of claim 2, wherein: The inside of the two vertical columns (11) is provided with a sliding groove, and the sliding plate (13) is slidingly connected with the vertical column (11) through the sliding groove.

7. The valve of claim 2, wherein: The top of the two vertical columns (11) is provided with a through hole, and the guide rod (14) extends to the inside of the vertical column (11) through the through hole.

8. The valve of claim 2, wherein: The number of the second sealing rings (15) is four, and the two guide rods (14) are fixedly connected with the top of the annular block (4).

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