CN215673787U

CN215673787U - Novel flow control valve

Info

Publication number: CN215673787U
Application number: CN202122085054.0U
Authority: CN
Inventors: 宋佳; 余昊; 张维; 楼海雷; 韦永安; 韩磊
Original assignee: Baotou Second Thermal Power Plant North United Power Corp
Current assignee: Baotou Second Thermal Power Plant North United Power Corp
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-28
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a novel flow control valve, which mainly solves the problem that the flow control valve is damaged during maintenance due to weathering, corrosion and the like in the prior art. The control valve comprises a conveying pipeline and a control valve body which is communicated with the conveying pipeline, is positioned above the conveying pipeline and is used for adjusting the flow of water supply in the conveying pipeline; the flow control valve body comprises an inner shell, a blocking block which is arranged in the inner shell and used for blocking a conveying pipeline and matched with the inner structure of the conveying pipeline is fixed on the top of the blocking block and penetrates through the inner shell, a compression spring which is arranged on the pull rod in a sleeved mode and used for extruding the blocking block is sleeved on the pull rod, a self-locking device which is connected with the pull rod and the inner shell and used for locking the compression spring is sleeved on the outer shell of the inner shell, and a valve disc body which is fixed at the top of the pull rod is arranged on the valve disc body. Through the scheme, the utility model achieves the purpose of avoiding the loss caused by the damage of the flow controller, and has very high practical value and popularization value.

Description

Novel flow control valve

Technical Field

The utility model belongs to the technical field of hardware fittings, and particularly relates to a novel flow control valve.

Background

The self-operated flow control valve is a new regulating valve type, and has the advantages of automatic regulation compared with a manual regulating valve; compared with an electric regulating valve, the valve has the advantages that external power is not needed, and application practices prove that the valve disc body is correctly used in a closed water circulation system (such as a hot water heating system and an air-conditioning refrigeration system), so that the flow distribution of the system can be conveniently realized; the dynamic balance of the system can be realized; the debugging work of the system can be greatly simplified; the operating state of the pump and the like can be stabilized. Therefore, the self-operated regulating valve has wide application prospect in heat supply and air conditioning engineering. However, the existing self-operated flow control valve is exposed outside for a long time, when the flow control valve is periodically overhauled, the threaded connection part at the top is difficult to screw due to weathering, corrosion and the like, sometimes the threaded connection part can be screwed to damage threads to cause a thread slipping phenomenon, when the thread slipping phenomenon occurs, the flow control valve is difficult to adjust to a proper position, so that the flow control valve can only be replaced with a new one, and no matter the condition is lost for a detection party or a user, the problem how to solve the existing flow control valve in the prior art is a problem that needs to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel flow control valve, which mainly solves the problem that the flow control valve is damaged during maintenance due to weathering, corrosion and the like in the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a novel flow control valve comprises a conveying pipeline and a control valve body, wherein the control valve body is communicated with the conveying pipeline and is positioned above the conveying pipeline and used for adjusting the flow of water supply in the conveying pipeline; the flow control valve body comprises an inner shell, a plugging block which is arranged in the inner shell and used for plugging a conveying pipeline and matched with the inner structure of the conveying pipeline is fixed on the top of the plugging block and penetrates through the inner shell, a compression spring which is arranged on the pull rod in a sleeved mode and used for extruding the plugging block is sleeved on the pull rod, two ends of the self-locking device are connected with the pull rod and the inner shell and used for locking the compression spring, an outer shell body which is arranged outside the inner shell in a sleeved mode, and a valve disk body which is fixed on the top of the pull rod, wherein the pull rod penetrates through the outer shell body.

Furthermore, a limiting block for limiting the plugging block is arranged at the position, corresponding to the plugging block, of the bottom in the conveying pipeline.

Furthermore, a sealing gasket is arranged between the blocking block and the inner shell.

Furthermore, a T-shaped sealing ring is arranged at the contact position of the pull rod and the inner shell and the outer shell.

Furthermore, the relative division of interior casing lateral wall is equipped with the spout of two vertical extensions, and the dislocation is seted up in the locking groove of spout both sides, and wherein, locking groove terminal position is equipped with one downwards and is curved spacing groove.

Specifically, the self-locking device comprises a connecting rod which is transversely arranged at the bottom of the pull rod and provided with threads at the end part, and an I-shaped nut of which one end is in threaded connection with the connecting rod and the other end is locked in the limiting groove, wherein the I-shaped nut can only slide into the locking groove and the sliding groove from the end of the limiting groove.

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

(1) according to the utility model, when the conventional threaded connection mode is changed into direct drawing, the side surface is in threaded connection, so that the situations of weathering, corrosion and the like caused by long-time exposure are avoided, and the compression spring arranged in the self-locking device can quickly push the plugging block into the conveying pipeline when the self-locking device is unlocked. During the maintenance usually, the flow controller is in the user state, the shutoff piece is pulled up, need the return during maintenance, it can relax the i-shaped nut to pull down the shell body, then stretch into pipeline under the effect of spring tension, then lift gently upwards through handheld valve disk body, then realize holistic locking through i-shaped nut locking connecting rod in suitable position, owing to there is the shell body cover outside, consequently can avoid i-shaped screw thread to be weathered, the condition of corrosion takes place, the loss that the flow controller damage brought has been avoided.

(2) The limiting block can well assist the blocking block to be in place, and the blocking block plays a role in supporting the blocking block under a larger pressure when the blocking block blocks the conveying pipeline.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the inner housing of the present invention.

Fig. 3 is an enlarged view of the i-nut of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1-conveying pipeline, 2-control valve body, 3-inner shell, 4-blocking block, 5-pull rod, 6-compression spring, 7-outer shell, 8-valve disk body, 9-limiting block, 10-sealing pad, 11-T-shaped sealing ring, 12-sliding groove, 13-locking groove, 14-limiting groove, 15-connecting rod and 16-I-shaped nut.

Detailed Description

The present invention is further illustrated by the following figures and examples, which include, but are not limited to, the following examples.

Examples

As shown in fig. 1 to 3, a novel flow control valve comprises a delivery pipe 1, a control valve body 2 which is communicated with the delivery pipe 1 and is positioned above the delivery pipe 1 and used for adjusting the flow of water supply in the delivery pipe 1; flow control valve body 2 includes interior casing 3, install in interior casing 3 and be used for blockking up and the shutoff piece 4 that matches with 1 inner structure of pipeline to pipeline 1, fix at shutoff piece 4 top and run through the pull rod 5 of interior casing 3, the cover is put on pull rod 5 and is used for extrudeing the compression spring 6 of shutoff piece 4, both ends are connected with pull rod 5 and interior casing 3 simultaneously and are used for locking compression spring 6's self-lock device, the cover is put at the outside shell body 7 of interior casing 3, and fix the valve disk body 8 at pull rod 5 top, wherein, pull rod 5 runs through shell body 7.

When the water heater is used, the two ends of the conveying pipeline 1 are connected with a water inlet and a water outlet of hot water, and then the control valve body 2 is adjusted to meet the requirements of users.

The pull rod 5 is fixed through a clamping tool, then the valve disc body 8 is unscrewed in the opposite direction, the outer shell 7 is taken out, and then the valve disc body 8 is reset. The disc body 8 of the hand-held valve is upwards pulled to lift the blocking block 4, when the fact that the amount of hot water flowing out of the water outlet of the conveying pipeline 1 meets the requirement is detected, the connecting end of the I-shaped nut 16 and the connecting rod 15 is inserted into the limiting groove 14 and then locked on the limiting groove 14 (the size of the I-shaped nut, which is located at the outer end of the inner shell, is larger than that of the limiting groove), if fine adjustment is needed, the I-shaped nut 16 can be slightly unscrewed, and the I-shaped nut slides into the adjacent limiting groove 14 through the locking groove 13 and the sliding groove 12 to be fixed. After the valve disc body 8 is fixed, the valve disc body 8 is dismounted in the same mode, the outer shell 7 is sleeved on the pull rod 5 and pushed to be attached to the conveying pipeline 1, positioning is achieved by clamping the T-shaped sealing ring 11, then the valve disc body 8 is sleeved on the pull rod 5 to return, and at the moment, the adjustment of the flow control valve is completed.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, but all changes that can be made by applying the principles of the present invention and performing non-inventive work on the basis of the principles shall fall within the scope of the present invention.

Claims

1. The novel flow control valve is characterized by comprising a conveying pipeline (1), and a control valve body (2) which is communicated with the conveying pipeline (1), is positioned above the conveying pipeline (1) and is used for adjusting the flow of water supply in the conveying pipeline (1); flow control valve body (2) are including interior casing (3), install in interior casing (3) and be used for blockking up and with pipeline (1) inner structure matched plugging block (4) to pipeline (1), fix at plugging block (4) top and run through pull rod (5) of interior casing (3), the cover is put on pull rod (5) and is used for extrudeing compression spring (6) of plugging block (4), both ends are connected with pull rod (5) and interior casing (3) simultaneously and are used for locking compression spring's (6) self-lock device, the cover is put at the outside shell body (7) of interior casing (3), and fix valve disk body (8) at pull rod (5) top, wherein, pull rod (5) run through shell body (7).

2. The novel flow control valve according to claim 1, characterized in that a limiting block (9) for limiting the blocking block (4) is arranged at the bottom of the conveying pipeline (1) corresponding to the blocking block (4).

3. A new type of flow control valve according to claim 2, characterized in that a sealing gasket (10) is provided between the block (4) and the inner housing (3).

4. A new type of flow control valve according to claim 3, characterized in that the contact between the pull rod (5) and the inner (3) and outer (7) housings is provided with T-ring seals (11).

5. A new type of flow control valve according to claim 4, characterized in that the side wall of the inner housing (3) is provided with two vertically extending sliding grooves (12) which are oppositely arranged, and locking grooves (13) which are arranged at both sides of the sliding grooves (12) in a staggered manner, wherein the end position of the locking groove (13) is provided with a downward arc-shaped limiting groove (14).

6. A new type of flow control valve according to claim 5, characterized in that the self-locking device comprises a connecting rod (15) which is arranged transversely at the bottom of the pull rod (5) and is provided with a thread at the end, and a I-nut (16) which is connected with the connecting rod (15) in a threaded manner at one end and locked in the limiting groove (14) at the other end, wherein the I-nut (16) can only slide into the locking groove (13) and the sliding groove (12) from the end of the limiting groove (14).