Flow control balance valve

Abstract

The utility model relates to the technical field of balance valves, in particular to a flow control balance valve which comprises a valve body, a valve element used for blocking is installed in the valve body in a sliding mode, an upper valve rod is assembled on the surface of the top end of the valve element, a lower valve rod is assembled at the end, away from the upper valve rod, of the valve element, and a ring body is integrally constructed on the surface of the bottom end of the valve body. A ring cover used for blocking is installed on the periphery of the ring body in a screwed mode, a T-shaped rod is assembled at the end, located in the ring cover, of the lower valve rod, and a gasket used for supporting is connected to the periphery of the T-shaped rod in an inserted mode. In the process of using the flow control balance valve, the spring on the surface of the gasket in the ring body at the bottom end of the valve body conveniently pushes the gasket, so that the gasket pulls the T-shaped rod to move and drives the lower valve rod to automatically move, and when a medium in the valve body runs off, the elastic force of the spring can be utilized to drive the valve element in the valve body to move through the lower valve rod; and a channel in the valve body can be conveniently and automatically blocked, so that the balance valve can be more stably used.

Description

TECHNICAL FIELD

[0001] The utility model relates to balanced valve technical field, concretely relates to a flow control balanced valve. BACKGROUND

[0002] Flow balance valve is a kind of control valve universally used in many fields, it reaches the effect of controlling flow or the flow balance between the inlet and outlet of valve body by the regulating mechanism arranged inside and outside the valve body;Patent No. CN201420670918.2 discloses a self force liquid control flow balance valve, not only has the liquid level adjusting function of general diaphragm type balanced valve, and the replacement of rubber diaphragm is very convenient under the premise of not affecting the whole fluid pipeline through by the locking mechanism arranged in the lower part of valve core;But when using flow control balanced valve, if the medium is exhausted, the valve core in the valve body can only rely on the elastic action of diaphragm to drive the valve core to reset under the condition of no external force, leading to that the balanced valve has certain limitations in use. Therefore, we propose a flow control balanced valve. SUMMARY

[0003] In view of the problems in the prior art, the utility model provides a flow control balanced valve.

[0004] The utility model discloses a kind of flow control balanced valves, including valve body, the valve core for plugging is slidably installed in the valve body, and the valve core top end surface is equipped with upper valve rod, and the valve core is equipped with lower valve rod away from upper valve rod, the ring body is integrally structured on the valve body bottom end surface, and ring body outer periphery is screw-mounted for plugging cover, the lower valve rod is equipped with T-shaped rod in one end in cover, and T-shaped rod outer periphery is inserted for supporting washer, the gasket for supporting is screw-mounted in ring body, and the one side of gasket close to washer is equipped with the spring of washer interlocking, the hexagonal ring for limiting washer is screw-mounted on the outer periphery of T-shaped rod, the valve cover is equipped on the valve body top end surface, and the diaphragm body is equipped with upper valve rod between valve cover and valve body.

[0005] By adopting the above technical scheme, in the process of using flow control balanced valve, the spring on the surface of gasket in the ring body bottom end of valve body conveniently pushes washer, so that washer pulls T-shaped rod displacement and drives lower valve rod to move automatically, so that when the medium in the valve body is exhausted, the spring can drive the valve core in the valve body to move through lower valve rod, and the passage in the valve body is automatically blocked, so that the balanced valve can be used more stably.

[0006] When the spring needs to be replaced, the ring cover at the bottom of the valve body can be rotated, so that the ring cover can be mutually screwed with the ring body, then the hexagonal ring at the outer periphery of the T-shaped rod is unscrewed, the gasket inserted at the outer periphery of the T-shaped rod is conveniently disassembled, and the gasket screwed in the ring body is conveniently disassembled, so that the spring can be disassembled and replaced, different elastic springs can be conveniently replaced, and the disassembly and assembly are simple, and meanwhile, the nut added at the outer periphery of the valve rod is convenient for locking the position of the lower valve rod, and is convenient for use when replacing the diaphragm body in the valve cover at the top of the valve body.

[0007] Specifically, the bottom end surface of the valve body is provided with a ring groove matched with the ring cover.

[0008] By adopting the above technical scheme, the ring groove at the bottom of the valve body is matched with the ring cover, so that the tightness after the ring cover and the valve body are screwed is improved, and the leakage condition is reduced.

[0009] Specifically, the ring groove is provided with a rubber seat matched with the ring cover.

[0010] By adopting the above technical scheme, the rubber seat in the ring groove is matched with the ring cover, so that the tightness after the ring cover is installed is further improved, and the ring cover can operate more stably.

[0011] Specifically, the bottom end surface of the valve body is provided with a ring groove matched with the ring cover.

[0012] By adopting the above technical scheme, the hole in the plug sleeve and the lower valve rod are mutually and slidably connected, the lower valve rod is supported, the lower valve rod can be stably lifted and displaced, and the rubber pad on the surface of the gasket is convenient for protection, so that the friction between the spring and the gasket is reduced.

[0013] Specifically, the T-shaped rod is provided with a plurality of grooves matched with the gasket.

[0014] By adopting the above technical scheme, the grooves at the outer periphery of the T-shaped rod are matched with the protrusions at the inner periphery of the gasket, so that the gasket inserted at the outer periphery of the T-shaped rod cannot rotate, and the gasket can be stably clamped with the spring.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1、The technical scheme of the application is characterized in that the spring on the surface of the gasket in the ring body at the bottom end of the valve body facilitates pushing the gasket, so that the gasket pulls the T-shaped rod to displace and drive the lower valve rod to move automatically, and when the medium in the valve body is almost exhausted, the spring can drive the valve core in the valve body to move through the lower valve rod, so as to facilitate automatic plugging of the passage in the valve body, thereby enabling the balance valve to be used more stably.

[0017] 2、The technical scheme of the application is characterized in that when the spring needs to be replaced, the ring cover at the bottom of the valve body can be rotated to screw and separate the ring cover and the ring body, then the hexagonal ring on the outer periphery of the T-shaped rod is unscrewed, the gasket inserted on the outer periphery of the T-shaped rod is conveniently disassembled, and the gasket screwed in the ring body is conveniently disassembled and assembled, so that the spring can be disassembled and replaced, different elastic springs can be replaced conveniently, and the disassembly and assembly are simple, and the nut added on the outer periphery of the valve rod facilitates locking the position of the lower valve rod, thereby facilitating use when replacing the diaphragm body in the valve cover at the top of the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described below in combination with the drawings and embodiments.

[0019] Figure 1 It is the isometric view of the utility model;

[0020] Figure 2 It is the structure schematic view of the internal structure of the valve body of the utility model;

[0021] Figure 3 It is the explosion view of the connecting structure between the T-shaped rod and the hexagonal ring of the utility model;

[0022] In the drawing: 1, valve body; 2, valve core; 3, lower valve rod; 4, upper valve rod; 5, valve cover; 6, diaphragm body; 7, ring body; 8, ring cover; 9, T-shaped rod; 10, gasket; 11, hexagonal ring; 12, spring; 13, gasket; 14, plug sleeve; 15, ring groove; 16, rubber seat; 17, recess; 18, rubber pad. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model will be further described below in combination with specific embodiments.

[0024] Please refer to Figures 1-3The utility model embodiment provides a technical scheme: a flow control balance valve, including valve body 1, the valve body 1 inside sliding installation is used for the valve core 2 of plugging, and the valve core 2 top end surface assembly has upper valve stem 4, and the valve core 2 is away from upper valve stem 4 one end assembly has lower valve stem 3, the valve body 1 bottom end surface integral configuration has ring body 7, and ring body 7 periphery screwing installs the ring cover 8 for plugging, lower valve stem 3 is located in the one end assembly of ring cover 8 T type rod 9, and T type rod 9 periphery inserts the washer 10 for support, ring body 7 inside screwing installs the gasket 13 for support, and gasket 13 is close to the washer 10 one side assembly has the spring 12 of the washer 10 with the joint, T type rod 9 periphery screwing installs the hexagonal ring 11 for the limiting washer 10, the valve body 1 top end surface assembly has valve cover 5, and valve cover 5 with valve body 1 between assembly has the diaphragm body 6 of the connection of upper valve stem 4.

[0025] In use, in the process of using the flow control balance valve, the spring 12 on the surface of the gasket 13 inside the ring body 7 at the bottom end of the valve body 1 facilitates the pushing of the washer 10, so that the washer 10 pulls the T-shaped rod 9 to displace and drives the lower valve stem 3 to move automatically, so that when the medium in the valve body 1 is exhausted, the spring 12 can drive the valve core 2 inside the lower valve stem 3 to move, facilitating the automatic plugging of the passage inside the valve body 1, so that the balance valve can be used more stably;

[0026] When the spring 12 needs to be replaced, the ring cover 8 at the bottom of the valve body 1 can be rotated to separate the ring cover 8 from the ring body 7, then the hexagonal ring 11 around the T-shaped rod 9 is unscrewed, the washer 10 inserted around the T-shaped rod 9 is conveniently disassembled, and the gasket 13 screwed inside the ring body 7 is conveniently disassembled, so that the spring 12 can be disassembled and replaced, facilitating the replacement of springs 12 with different elasticity, and the disassembly is simple, and the nut added around the valve stem facilitates the locking of the position of the lower valve stem 3, facilitating the use when replacing the diaphragm body 6 in the valve cover 5 at the top of the valve body 1.

[0027] As shown in Figure 1 and Figure 2 , the bottom end surface of the valve body 1 is provided with a ring groove 15 matched with the ring cover 8.

[0028] In use, the ring groove 15 at the bottom of the valve body 1 facilitates the mutual matching between the ring cover 8, thereby improving the tightness after the screwing connection between the ring cover 8 and the valve body 1, and reducing the leakage condition.

[0029] As shown in Figure 1 and Figure 2 , the ring groove 15 is provided with a rubber seat 16 matched with the ring cover 8.

[0030] In use, the rubber seat 16 inside the ring groove 15 and the ring cover 8 match each other, thereby further improving the tightness after the installation of the ring cover 8, so that the ring cover 8 can operate more stably.

[0031] As shown in Figure 1 and Figure 2 , the bottom end surface of the valve body 1 is screw-mounted with the plug sleeve 14 which is in sliding connection with the lower valve rod 3, and the end of the gasket 10 close to the gasket 13 is bonded with the rubber pad 18 for protection.

[0032] In use, the hole inside the plug sleeve 14 and the lower valve rod 3 are in sliding connection with each other, thereby facilitating the support of the lower valve rod 3, so that the lower valve rod 3 can perform lifting displacement more stably, and the rubber pad 18 on the surface of the gasket 10 facilitates the protection thereof, thereby reducing the rubbing between the spring 12 and the gasket 10 and the resulting scratches.

[0033] As shown in Figure 3 , the outer periphery of the T-shaped rod 9 is provided with the grooves 17 which match the gasket 10, and the grooves 17 have multiple groups.

[0034] In use, the grooves 17 on the outer periphery of the T-shaped rod 9 match the protrusions on the inner periphery of the gasket 10, so that the gasket 10 cannot rotate after being inserted on the outer periphery of the T-shaped rod 9, and the gasket 10 can be more stably clamped with the spring 12.

[0035] The working principle and use process of the utility model are as follows: in use, first, the corresponding structure components are installed in the appropriate positions, and in the process of using the flow control balance valve, the spring 12 on the surface of the gasket 13 inside the bottom end ring body 7 of the valve body 1 facilitates the pushing of the gasket 10, so that the gasket 10 pulls the T-shaped rod 9 to displace and drives the lower valve rod 3 to move automatically, so that when the medium in the valve body 1 is exhausted, the spring 12 can drive the inner valve core 2 to move through the lower valve rod 3, thereby facilitating the automatic plugging of the passage inside the valve body 1, so that the balance valve can be used more stably, and when the spring 12 needs to be replaced, the ring cover 8 at the bottom of the valve body 1 is rotated, so that the ring cover 8 can be separated from the ring body 7, then the hexagonal ring 11 on the outer periphery of the T-shaped rod 9 is rotated and removed, the gasket 10 inserted on the outer periphery of the T-shaped rod 9 is removed, and the gasket 13 screwed inside the ring body 7 is disassembled, so that the spring 12 can be disassembled and replaced, different elastic springs 12 can be replaced, the disassembly and assembly are simple, the nut added on the outer periphery of the valve rod facilitates the locking of the position of the lower valve rod 3, and facilitates the use when replacing the diaphragm body 6 in the valve cover 5 at the top of the valve body 1, so that the flow control balance valve can be used more stably and conveniently.

[0036] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A flow-controlling balancing valve, characterized in that, The valve includes a valve body (1), in which a valve core (2) for sealing is slidably installed. An upper valve stem (4) is mounted on the top surface of the valve core (2), and a lower valve stem (3) is mounted on the end of the valve core (2) away from the upper valve stem (4). An annular body (7) is integrally constructed on the bottom surface of the valve body (1), and a sealing ring cover (8) is screwed onto the outer circumference of the annular body (7). A T-shaped rod (9) is mounted on the end of the lower valve stem (3) located inside the ring cover (8), and the outer circumference of the T-shaped rod (9) is inserted into... There is a support washer (10), and a support washer (13) is screwed into the ring body (7). The side of the washer (13) close to the washer (10) is fitted with a spring (12) that engages with the washer (10). A hexagonal ring (11) for limiting the washer (10) is screwed onto the outer periphery of the T-shaped rod (9). A valve cover (5) is fitted on the top surface of the valve body (1), and a diaphragm body (6) connected to the upper valve stem (4) is fitted between the valve cover (5) and the valve body (1).

2. The flow-controlling balancing valve according to claim 1, characterized in that, The bottom surface of the valve body (1) is provided with an annular groove (15) that fits with the ring cover (8).

3. A flow-controlling balancing valve according to claim 2, characterized in that, The annular groove (15) is fitted with a rubber seat (16) for fitting the ring cover (8).

4. A flow-controlling balancing valve according to claim 1, characterized in that, The valve body (1) has a plug (14) screwed onto its bottom surface and slidably connected to the lower valve stem (3). The gasket (10) has a protective rubber pad (18) glued to one end near the gasket (13).

5. A flow-controlling balancing valve according to claim 1, characterized in that, The T-shaped rod (9) has a groove (17) on its outer periphery that fits with the washer (10), and there are multiple sets of grooves (17).

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