CN219159543U - High-pressure stop valve with good sealing performance - Google Patents

Abstract

The utility model discloses a high-pressure stop valve with good sealing performance, which belongs to the field of high-pressure stop valves and comprises a stop valve body, an adjusting mechanism and a connecting mechanism, wherein a fixed seat is welded at the top end of the stop valve body, a sealing ring is sleeved at the top end of the fixed seat, a sealing cover is fixedly connected with the top end of the fixed seat, a fixing rod is fixedly connected with the inner wall of the sealing cover, a fixing nut is connected with the top end screw of the outer wall of the fixing rod, the connecting mechanisms are welded at two ends of the outer wall of the stop valve body, the stop valve body can be conveniently spliced and installed with a water pipe through the limiting rod in the use process, the installation step is simple, the sealing effect can be provided for the joint of the stop valve body and the water pipe through a sealing sleeve, the leakage of water flow in the conveying process can be avoided, and the sealing performance of the high-pressure stop valve is improved.

Description

A High Pressure Globe Valve with Good Sealing Performance

technical field

The utility model relates to the field of high-pressure cut-off valves, in particular to a high-pressure cut-off valve with good sealing performance.

Background technique

The opening and closing part of the high-pressure globe valve is a plug-shaped disc, the sealing surface is flat or conical, the disc moves in a straight line along the center line of the fluid, and the movement form of the valve stem has a lifting rod type (valve stem lifts, handwheel There is also a lifting and rotating rod type (the handwheel and the valve stem rotate together to lift, and the nut is set on the valve body). The globe valve is only suitable for full opening and full closing, and adjustment and throttling are not allowed.

Currently used high-pressure cut-off valves, the joint between the cut-off valve and the water pipe is not well sealed, which may easily cause leakage when water is transported in the pipeline, and the cut-off valve is not easy to disassemble, and scale will form inside the cut-off valve after long-term use , causing blockage, which is convenient for disassembly and cleaning, and it is not convenient to control according to the required water flow.

Utility model content

1. Technical problems to be solved

Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a high-pressure shut-off valve with good sealing performance, which can realize that the shut-off valve body can pass through the limit rod through the connecting mechanism during use. It is spliced and installed with water pipes, and the installation steps are simple. Through the sealing sleeve, the connection between the shut-off valve body and the water pipe can be provided with a sealing effect, which can avoid leakage caused by water flow during transportation and improve the sealing performance of the high-pressure shut-off valve.

2. Technical solution

In order to solve the above problems, the utility model adopts the following technical solutions.

A high-pressure shut-off valve with good sealing performance, including a shut-off valve body, an adjustment mechanism and a connection mechanism, a fixed seat is welded on the top of the shut-off valve body, and a sealing ring is set on the top of the fixed seat, and the top of the fixed seat is A sealing cover is fixedly connected, and the inner wall of the sealing cover is fixedly connected with a fixing rod, and the top end of the outer wall of the fixing rod is screwed with a fixing nut, and the adjustment mechanism is fixedly connected to the top of the sealing cover, and the bottom end of the adjustment mechanism is installed with a Lifting block, the bottom end of the lifting block is welded with a valve, the inner wall of the stop valve body is welded with a valve seat, and the inner wall of the stop valve body is provided with a water flow channel, and the connecting mechanisms are welded on both sides of the outer wall of the stop valve body end.

Further, the inner wall of the sealing ring is in close contact with the outer wall of the fixing seat, and the size of the inner wall of the sealing ring matches the size of the outer wall of the fixing seat.

Further, the sealing cover is threadedly connected to the fixing seat through the fixing rod, and the outer wall of the fixing rod and the inner wall of the fixing seat are both threaded.

Further, the adjustment mechanism includes a mounting frame, a series block, an adjustment rod, an adjustment disc and a rotating shaft, the mounting frame is fixedly connected to the top of the sealing cover, the top of the outer wall of the mounting frame is fixedly connected to the series block, and the series block An adjustment rod is connected to the inner wall screw, an adjustment disc is installed on the top of the adjustment rod, and a rotating shaft is welded on the bottom end of the adjustment rod.

Further, the adjusting rod and the serial block are threadedly connected, and the outer wall of the adjusting rod and the inner wall of the serial block are both threaded.

Further, the connection mechanism includes a connection block, a connection pipe, a sealing sleeve and a limit rod, and the connection blocks are welded to both ends of the outer wall of the stop valve body, and the outer wall of the connection block is equipped with a connection pipe, and The outer wall of the connecting pipe is covered with a sealing sleeve, and the inner wall of the connecting block is fixedly connected with a limit rod.

Further, the inner wall of the sealing sleeve is in close contact with the outer wall of the connecting pipe, and the size of the inner wall of the sealing sleeve matches the size of the outer wall of the connecting pipe.

3. Beneficial effect

Compared with the prior art, the utility model has the advantages of:

(1) Through the connection mechanism provided in this scheme, it is convenient to splice and install the shut-off valve body and the water pipe through the limit rod. Avoid leakage caused by water flow during transportation, and improve the sealing performance of the high-pressure stop valve.

(2) The sealing ring and the fixing rod are provided in this scheme, so that when installing the stop valve, the sealing ring is set on the top outer wall of the fixing seat, and then the sealing cover is fixedly connected with the fixing seat through the fixing rod, and the sealing ring The sealing effect can be provided for the connection between the sealing cover and the fixing seat, which facilitates the assembly and splicing of the high-pressure globe valve.

(3) This scheme adopts the adjustment mechanism provided, so that it is convenient to turn the adjustment disc to drive the adjustment rod to rotate during use, and the screw-type design of the outer wall of the adjustment rod and the inner wall of the series block can control the rotating shaft at the bottom during rotation. Up or down, it can drive the lifting block and the valve at the bottom to go up and down, and can control the size of the water flow.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the utility model;

Fig. 2 is a schematic diagram of the structure of the connecting mechanism parts of the present utility model;

Fig. 3 is the schematic diagram of the parts structure of the adjustment mechanism of the present invention;

Fig. 4 is a schematic diagram of the enlarged structure of part A in Fig. 1 of the present utility model.

Explanation of symbols in the figure:

1. Globe valve body; 2. Fixing seat; 3. Sealing ring; 4. Sealing cover; 5. Fixing rod; 6. Fixing nut; 7. Adjusting mechanism; 701. Mounting frame; 702. Series block; 704, adjusting disc; 705, rotating shaft; 8, lifting block; 9, valve; 10, valve seat; 11, water flow channel; 12, connecting mechanism; 1201, connecting block; 1202, connecting pipe; 1203, sealing sleeve; 1204 , Limit rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top/bottom" etc. are based on the Orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the utility model. limit. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "set with", "sleeve/connection", "connection", etc. should be understood in a broad sense, for example "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be two components Internal connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Please refer to Figure 1-4, a high-pressure stop valve with good sealing performance, including a stop valve body 1, an adjustment mechanism 7 and a connecting mechanism 12, the top of the stop valve body 1 is welded with a fixed seat 2, and the top end of the fixed seat 2 is covered A sealing ring 3 is provided, and the inner wall of the sealing ring 3 is closely attached to the outer wall of the fixing seat 2, and the size of the inner wall of the sealing ring 3 matches the size of the outer wall of the fixing seat 2, and the top end of the fixing seat 2 is fixedly connected with a sealing cover 4, sealing Cover 4 is threadedly connected with fixed seat 2 by fixed rod 5, and the outer wall of fixed rod 5 and the inner wall of fixed seat 2 are all threaded settings, and the inner wall of sealing cover 4 is fixedly connected with fixed rod 5, and the outer wall top of fixed rod 5 The screw is connected with a fixed nut 6, through the set sealing ring 3 and the fixed rod 5, so that when the globe valve is installed, the sealing ring 3 is set on the top outer wall of the fixed seat 2, and then the sealing cover 4 is passed through the fixed rod 5 and the fixed rod 5. The fixed seat 2 is fixedly connected, and the sealing ring 3 can provide a sealing effect on the joint between the sealing cover 4 and the fixed seat 2, which is convenient for assembling and splicing the high-pressure shut-off valve.

The adjustment mechanism 7 is fixedly connected to the top of the sealing cover 4. The adjustment mechanism 7 includes a mounting frame 701, a series block 702, an adjusting rod 703, an adjusting disc 704 and a rotating shaft 705. The mounting frame 701 is fixedly connected to the top of the sealing cover 4. The mounting frame 701 A series block 702 is fixedly connected to the top of the outer wall of the series block 702, and the inner wall screw of the series block 702 is connected with an adjustment rod 703. The top end of the adjustment rod 703 is equipped with an adjustment disc 704, and the bottom end of the adjustment rod 703 is welded with a rotating shaft 705. The adjustment rod 703 and The series blocks 702 are threadedly connected, and the outer wall of the adjustment rod 703 and the inner wall of the series block 702 are threaded, and the bottom end of the adjustment mechanism 7 is equipped with a lifting block 8, and the bottom end of the lifting block 8 is welded with a valve 9 , the inner wall of the stop valve body 1 is welded with a valve seat 10, and the inner wall of the stop valve body 1 is provided with a water flow channel 11, through the adjustment mechanism 7 provided, it is convenient to rotate the adjustment disc 704 during use, thereby driving the adjustment rod 703 Rotate, through the threaded design of the outer wall of the adjustment rod 703 and the inner wall of the series block 702, the rotating shaft 705 at the bottom can be controlled to rise or fall when rotating, and the lifting block 8 and the valve 9 at the bottom can be driven to lift, and the size of the water flow can be controlled.

The connecting mechanism 12 is welded on both ends of the outer wall of the globe valve body 1, the connecting mechanism 12 includes a connecting block 1201, a connecting pipe 1202, a sealing sleeve 1203 and a limit rod 1204, and the connecting block 1201 is welded on both ends of the outer wall of the globe valve body 1 The outer wall of the connecting block 1201 is equipped with a connecting pipe 1202, and the outer wall of the connecting pipe 1202 is covered with a sealing sleeve 1203, the inner wall of the connecting block 1201 is fixedly connected with the limit rod 1204, and the inner wall of the sealing sleeve 1203 is closely attached to the outer wall of the connecting pipe 1202. and the size of the inner wall of the sealing sleeve 1203 coincides with the size of the outer wall of the connecting pipe 1202. Through the provided connecting mechanism 12, it is convenient to splice and install the shut-off valve body 1 with the water pipe through the limit rod 1204. The installation steps are simple. Through the sealing sleeve 1203, which can provide a sealing effect on the connection between the shut-off valve body 1 and the water pipe, can avoid leakage caused by water flow during transportation, and improve the sealing performance of the high-pressure shut-off valve.

Working principle: During installation, the mounting frame 701 in the adjustment mechanism 7 is fixedly connected to the top of the sealing cover 4 through the screws at the bottom, then the series block 702 is fixed to the top of the mounting frame 701, and then the adjusting rod 703 is connected to the top of the mounting frame 701. The rotating shaft 705 is fixedly installed with the lifting block 8 and the valve 9 inside the shut-off valve body 1, and then the adjusting disc 704 is installed on the top of the adjusting rod 703, and then the whole sealing ring 3 is set on the top outer wall of the fixed seat 2, and then the The body seal cover 4 is installed through the fixed rod 5 and the top of the fixed seat 2, and the seal cover 4 is fixed with the fixed nut 6, and then the two ends of the outer wall of the shut-off valve body 1 are connected to the upper water pipe. 704, thereby driving the adjustment rod 703 to rotate, through the threaded design of the outer wall of the adjustment rod 703 and the inner wall of the series block 702, the rotating shaft 705 at the bottom can be controlled to rise or fall when rotating, and the lifting block 8 and the valve 9 at the bottom can be driven to lift , can control the size of the water flow, and the use process of such a high-pressure globe valve with good sealing is completed.

The above description is only a preferred embodiment of the present utility model; however, the protection scope of the present utility model is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the utility model, according to the technical solution of the utility model and its improvement concept to make an equivalent replacement or change, shall be covered in the protection scope of the utility model.

Claims (7)

1. A high-pressure shut-off valve with good sealing performance, comprising a shut-off valve body (1), an adjustment mechanism (7) and a connecting mechanism (12), characterized in that: the top of the shut-off valve body (1) is welded with a fixed seat (2), and the top end of the fixed seat (2) is provided with a sealing ring (3), the top end of the fixed seat (2) is fixedly connected with a sealing cover (4), and the inner wall of the sealing cover (4) is fixedly connected with A fixed rod (5), the outer wall top of the fixed rod (5) is screwed with a fixed nut (6), the adjustment mechanism (7) is fixedly connected to the top of the sealing cover (4), and the adjustment mechanism (7) The bottom end is equipped with a lifting block (8), the bottom end of the lifting block (8) is welded with a valve (9), the inner wall of the stop valve body (1) is welded with a valve seat (10), and the stop valve body ( The inner wall of 1) is provided with a water flow channel (11), and the connecting mechanism (12) is welded to both ends of the outer wall of the shut-off valve body (1). 2. A high-pressure stop valve with good sealing performance according to claim 1, characterized in that: the inner wall of the sealing ring (3) is in close contact with the outer wall of the fixing seat (2), and the sealing ring (3) The size of the inner wall matches the size of the outer wall of the holder (2). 3. A high-pressure shut-off valve with good sealing performance according to claim 1, characterized in that: the sealing cover (4) is screwed to the fixing seat (2) through a fixing rod (5), and the fixing rod (5) ) and the inwall of the holder (2) are threaded. 4. A high-pressure cut-off valve with good sealing performance according to claim 1, characterized in that: the adjustment mechanism (7) includes a mounting bracket (701), a series block (702), an adjustment rod (703), an adjustment disc (704) and rotating shaft (705), the mounting frame (701) is fixedly connected to the top of the sealing cover (4), and the top of the outer wall of the mounting frame (701) is fixedly connected with a series block (702), and the series block The inner wall screw of (702) is connected with adjusting rod (703), and the top of described adjusting rod (703) is equipped with adjusting disk (704), and the bottom end of adjusting rod (703) is welded with rotating shaft (705). 5. A high-pressure cut-off valve with good sealing performance according to claim 4, characterized in that: the adjusting rod (703) is connected to the serial block (702) by threads, and the outer wall of the adjusting rod (703) The inner wall of the series block (702) is threaded. 6. A high-pressure cut-off valve with good sealing performance according to claim 1, characterized in that: the connection mechanism (12) includes a connection block (1201), a connection pipe (1202), a sealing sleeve (1203) and a limit position bar (1204), the connecting block (1201) is welded on both ends of the outer wall of the stop valve body (1), the outer wall of the connecting block (1201) is equipped with a connecting pipe (1202), and the connecting pipe (1202) A sealing sleeve (1203) is provided on the outer wall of the connecting block (1201), and the inner wall of the connecting block (1201) is fixedly connected with a limit rod (1204). 7. A high-pressure shut-off valve with good sealing performance according to claim 6, characterized in that: the inner wall of the sealing sleeve (1203) is in close contact with the outer wall of the connecting pipe (1202), and the sealing sleeve (1203) The size of the inner wall matches the size of the outer wall of the connecting pipe (1202).

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