Manual valve convenient to install

Abstract

The utility model discloses a hand valve convenient to install, and relates to the technical field of hand valves, the hand valve convenient to install comprises a valve seat main body, the right side of the valve seat main body is provided with a valve cavity, the upper and lower end faces of the valve seat main body are provided with left and right through dovetail slots, and the right side of the valve seat main body is inserted with a valve core fixing frame; a valve cavity is formed in the valve seat body, dovetail inserting blocks corresponding to the dovetail inserting grooves in the upper portion and the lower portion of the valve cavity are fixedly connected with the dovetail inserting blocks, a hand-pulling valve element rod is fixedly and movably connected to the center of the valve element fixing frame in an inserted mode, the hand-pulling valve element rod is correspondingly inserted into the valve cavity, and the valve element fixing frame and the hand-pulling valve element rod are pushed leftwards along the dovetail inserting grooves in the valve seat body, so that fixed installation of the valve element fixing frame is achieved. The manual valve is simple and convenient to mount and dismount, special tools are not needed, the dismounting and mounting time is greatly saved, the maintenance difficulty and cost are reduced, the clamping structure of the piston spring bolt and the butt-joint lock hole is stable, the mounting stability of the valve element fixing frame is guaranteed, the situation that the valve element fixing frame shakes or falls off in the using process is avoided, and normal operation of the manual valve is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to hand pull valve technical field, concretely relates to a kind of installation convenient hand valve. BACKGROUND

[0002] Gas route hand pull valve plays a vital role in semiconductor manufacturing and other clean environment, so it needs frequent maintenance to ensure its normal operation. In the prior art, the valve core of gas route hand pull valve is usually fixed by flange bolt. However, this fixing method needs to use special tools when disassembling, and the operation is complex, and the whole process takes a very long time, often more than half an hour. This not only increases the difficulty and cost of maintenance, but also may affect the normal operation of production line, causing huge economic losses. Therefore, we propose a kind of installation convenient hand valve. SUMMARY

[0003] The utility model aims at: for solving the valve core of gas route hand pull valve is usually fixed by flange bolt. However, this fixing method needs to use special tools when disassembling, and the operation is complex, and the whole process takes a very long time, often more than half an hour. This not only increases the difficulty and cost of maintenance, but also may affect the normal operation of production line, causing huge economic losses. The utility model provides a kind of installation convenient hand valve.

[0004] The utility model discloses a kind of installation convenient hand valve to achieve the above-mentioned purposes specifically using the following technical solutions:

[0005] A kind of installation convenient hand valve, including valve seat main body, the right side of the valve seat main body is equipped with valve cavity, and the upper and lower end surfaces of valve seat main body are equipped with left and right through dovetail insertion slot, the right side of the valve seat main body is inserted with valve core fixing frame, and the upper and lower valve cavity is fixedly connected with dovetail insertion block corresponding dovetail insertion slot, the valve core fixing frame center is fixedly inserted with hand pull valve core rod, and hand pull valve core rod is inserted in valve cavity corresponding, the hand pull valve core rod is provided with multiple switching pistons corresponding valve cavity inner cavity section, the upper and lower valve seat main body are movably inserted with piston lock tongue corresponding dovetail insertion slot left side, and lock tongue is provided with lock tongue ejecting spring between the bottom and groove bottom, the upper and lower dovetail insertion block of the valve core fixing frame is equipped with butt joint lock hole corresponding piston lock tongue position.

[0006] Further, the upper and lower sides of the valve seat main body are equipped with multiple gas route channels corresponding valve cavity, and the valve core fixing frame is fixedly connected with multiple pipeline connecting mechanisms corresponding gas route channel.

[0007] Further, the pipeline connecting mechanism includes pipeline connecting seat, the outer wall bottom of the pipeline connecting seat is provided with limit stop ring, and the dovetail insertion block of the valve core fixing frame is equipped with mounting insertion hole outside corresponding gas route channel, the pipeline connecting seat is inserted into mounting insertion hole, and fixed step is equipped with corresponding limit stop ring on the inner side of the side wall of mounting insertion hole.

[0008] Further, the outer side bottom of the pipe connecting seat is provided with a plurality of movable sliding grooves in an annular array, and the inner wall of the limiting stop ring is fixedly connected with a plurality of sliding tightening protrusions corresponding to the movable sliding grooves, the inner end of the sliding tightening protrusion penetrates the inner end of the movable sliding groove, and the upper end of the movable sliding groove is provided with a stop ring return spring, and the upper end of the pipe connecting seat is rotatably inserted with a compression sleeve, and the outer thread of the compression sleeve is threadedly connected with the inner end of the sliding tightening protrusion.

[0009] Further, the inner wall of the pipe connecting seat is fixedly connected with a pipe inner inserting sleeve at the center, and the gas path pipe is sleeved on the outer wall of the pipe inner inserting sleeve and is tightly fixed through the pipe connecting seat, and the outer wall of the pipe inner inserting sleeve is a tapered structure.

[0010] Further, the outer wall of the pipe inner inserting sleeve is provided with a plurality of triangular protruding teeth, and the outer wall of the pipe connecting seat is fixedly connected with an annular sealing ring at the lower end.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1, the utility model discloses a valve core fixing frame is pushed in along dovetail insertion slot on the valve seat main body with hand valve core rod to the left, until dovetail insertion block and piston lock tongue are connected, at this moment, lock tongue pushes piston lock tongue and is connected into butt joint lock hole, realize the fixed installation of valve core fixing frame, and installation dismounts simple and convenient, need not use special tool, greatly save the dismounting time, reduce the difficulty and cost of maintenance, and the lock tongue of piston and the butt joint lock hole are connected stably, guarantee the stability of valve core fixing frame installation, avoid the situation that it shakes or falls off in the use process, guarantee the normal operation of the manual valve.

[0013] 2, the utility model discloses the cooperation of limiting stop ring and fixed step can limit the axial movement of pipe connecting seat in the installation jack, when installing, pipe connecting seat is inserted from the inner side of dovetail insertion block of valve core fixing frame, and pipe connecting seat can be fixed through the dovetail insertion block of valve core fixing frame, and the dismounting of pipe connecting seat is convenient.

[0014] 3, the utility model discloses the compression sleeve when rotating, the outer thread of compression sleeve pushes down the movement of pipe connecting seat, and the sliding tightening protrusion slides along movable sliding groove and compresses stop ring return spring, and pipe connecting seat moves down and is inserted into gas path channel, realizes sealing through the sliding sealing ring of the outer wall of pipe connecting seat, improves the stability of the dovetail insertion block of valve core fixing frame and the connecting position of valve seat main body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the perspective view of the utility model;

[0016] Figure 2is the front view of the utility model;

[0017] Figure 3 is the utility model Figure 2 is the enlarged view of A in the figure;

[0018] Figure 4 is the front view of the utility model limit baffle ring place.

[0019] Mark: 1, valve seat body;2, valve cavity;3, valve core fixed frame;4, hand valve core rod;5, piston lock tongue;6, butt joint lock hole;7, lock tongue ejection spring;8, gas path channel;9, pipeline connecting seat;10, limit baffle ring;11, movable sliding chute;12, baffle ring reset spring;13, compression sleeve;14, pipeline inner plug barrel;15, sliding tightening protruding block. Specific implementation

[0020] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment.

[0021] Please refer to Figures 1-4 The utility model provides a kind of installation convenient hand valve, including valve seat body 1, the right side of the valve seat body 1 is equipped with valve cavity 2, and the upper and lower end surfaces of valve seat body 1 are equipped with left-right through dovetail insertion slot, the right side of the valve seat body 1 is inserted with valve core fixed frame 3, and dovetail insertion block is fixedly connected with dovetail insertion block in valve cavity 2 corresponding dovetail insertion slot upper and lower, the center of valve core fixed frame 3 is fixedly inserted with hand valve core rod 4, and hand valve core rod 4 is inserted in valve cavity 2 corresponding, a plurality of switching pistons are provided in the cavity of valve cavity 2 corresponding hand valve core rod 4, the upper and lower dovetail insertion slot left side of the valve seat body 1 is movably inserted with piston lock tongue 5 corresponding dovetail insertion slot, and lock tongue ejection spring 7 is arranged between the bottom of piston lock tongue 5 and groove bottom, the upper and lower dovetail insertion block of valve core fixed frame 3 is equipped with butt joint lock hole 6 corresponding piston lock tongue 5 position.

[0022] In the embodiment, preferably, the upper and lower sides of the valve seat body 1 are equipped with a plurality of gas path channels 8 corresponding to the valve cavity 2, and a plurality of pipeline connecting mechanisms are fixedly connected to the valve core fixed frame 3 corresponding to the gas path channels 8;By setting the pipeline connecting mechanism, the gas path pipeline can be easily connected with the valve seat body, and the connection is stable and not prone to loosening or falling off. At the same time, the design of the pipeline connecting mechanism makes the disassembly and assembly of the gas path pipeline more simple and fast, without the need for special tools, greatly improving the efficiency and convenience of maintenance.

[0023] In this embodiment, preferably, the pipeline connecting mechanism comprises a pipeline connecting seat 9, the outer wall bottom of the pipeline connecting seat 9 is provided with a limiting stop ring 10, and the dovetail plug block of the valve core fixing frame 3 is provided with a mounting jack on the outside of the gas path channel 8, the pipeline connecting seat 9 is inserted into the mounting jack, and the side wall of the mounting jack is provided with a fixed step on the inner side corresponding to the limiting stop ring 10; through the cooperation of the limiting stop ring 10 and the fixed step, the axial movement of the pipeline connecting seat 9 in the mounting jack can be limited, the pipeline connecting seat 9 is inserted from the inner side of the dovetail plug block of the valve core fixing frame 3 during installation, and the pipeline connecting seat 9 can be fixed through the dovetail plug block of the valve core fixing frame 3, which facilitates the disassembly and assembly of the pipeline connecting seat 9.

[0024] In this embodiment, preferably, the outer bottom of the pipeline connecting seat 9 is annularly arrayed with a plurality of movable sliding grooves 11, and the inner wall of the limiting stop ring 10 is fixedly connected with a plurality of sliding tightening protrusions 15 corresponding to the movable sliding grooves 11, the inner end of the sliding tightening protrusion 15 penetrates the inner end of the movable sliding groove 11, the upper end of the movable sliding groove 11 is provided with a stop ring reset spring 12, the upper end of the pipeline connecting seat 9 is rotatably inserted with a compression sleeve 13, and the outer thread of the compression sleeve 13 is threadedly connected with the inner end of the plurality of sliding tightening protrusions 15; through the setting of the compression sleeve 13, when the compression sleeve 13 is rotated, the outer thread of the compression sleeve 13 pushes the pipeline connecting seat 9 to move downward, the sliding tightening protrusion 15 slides along the movable sliding groove 11 and compresses the stop ring reset spring 12, the pipeline connecting seat 9 moves downward and inserts into the gas path channel 8, and sealing is achieved through the sliding sealing ring along the lower wall of the pipeline connecting seat 9, thereby improving the stability of the connection position of the dovetail plug block of the valve core fixing frame 3 and the valve seat body 1.

[0025] In this embodiment, preferably, the inner wall center of the pipeline connecting seat 9 is fixedly connected with a pipeline inner insertion cylinder 14, and the gas path pipeline is tightly fixed through the pipeline connecting seat 9 after being sleeved on the outer wall of the pipeline inner insertion cylinder 14, and the outer wall of the pipeline inner insertion cylinder 14 is a conical structure; through the setting of the pipeline inner insertion cylinder 14, a stable sleeving basis can be provided, so that the gas path pipeline can be firmly sleeved on the outer wall of the pipeline inner insertion cylinder 14. Thus, the sealing and stability of the gas path are ensured. This design not only improves the firmness of the connection, but also effectively prevents gas leakage, ensuring the normal operation and performance of the valve. Greatly improves the convenience and efficiency of connection.

[0026] In this embodiment, preferably, the outer wall of the pipeline inner insertion cylinder 14 is provided with a plurality of triangular protruding teeth, and the outer wall lower end of the pipeline connecting seat 9 is fixedly connected with a ring-shaped sealing ring; through the outer wall of the pipeline inner insertion cylinder 14 being provided with a plurality of triangular protruding teeth, these triangular protruding teeth can increase the friction between the pipeline inner insertion cylinder 14 and the gas path pipeline, further improving the stability and reliability of the connection.

[0027] The utility model discloses a working principle and use flow: the device uses, and with the hand pull valve core stem 4 along dovetail insertion slot on valve seat main body 1 to the left push in with valve core fixing frame 3, until dovetail insertion block and piston lock bolt 5 joint, at this moment, lock bolt push spring 7 pushes piston lock bolt 5 and inserts into butt joint lock hole 6, realize the fixed mounting of valve core fixing frame 3, and installation dismounts simple and convenient, need not use special tool, greatly save the dismounting time, reduce the difficulty and cost of maintenance, and the joint structure of piston lock bolt 5 and butt joint lock hole 6 is stable, guarantees the stability of valve core fixing frame 3 installation, avoids the situation that it shakes or falls off in the use process, guarantees the normal operation of the manual valve.

[0028] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the utility model. Various modifications to these embodiments will be apparent to those of ordinary skill in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the utility model. Accordingly, the utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A convenient installation manual valve, characterized by: The utility model provides a valve seat body (1) right side is provided with the valve cavity (2), and the upper and lower end surface of valve seat body (1) is provided with the dovetail slot that left and right penetrates, the valve seat body (1) right side inserts the valve core fixed frame (3), and the upper and lower corresponding dovetail slot of valve cavity (2) is fixedly connected with the dovetail plug, the valve core fixed frame (3) center fixedly inserts the hand pull valve core rod (4) of activity, and the hand pull valve core rod (4) corresponds the valve cavity (2) in the cavity a part and is provided with a plurality of switching pistons, the upper and lower corresponding dovetail slot of valve seat body (1) left side activity inserts piston lock tongue (5), and the bottom between piston lock tongue (5) and groove bottom is provided with lock tongue ejection spring (7), the upper and lower dovetail plug of valve core fixed frame (3) corresponding piston lock tongue (5) position is provided with the butt joint lock hole (6).

2. A convenient installation manual valve according to claim 1, characterized in that: The upper and lower sides of the valve seat body (1) correspond to the valve cavity (2) and are provided with a plurality of air path channels (8), and a plurality of pipeline connecting mechanisms are fixedly connected to the valve core fixed frame (3) corresponding to the air path channels (8).

3. A convenient installation manual valve according to claim 2, characterized in that: The pipeline connecting mechanism comprises a pipeline connecting seat (9), the outer wall bottom of the pipeline connecting seat (9) is provided with a limiting stop ring (10), and the dovetail plug of the valve core fixed frame (3) is provided with a mounting insertion hole outside the air path channel (8), the pipeline connecting seat (9) is inserted into the mounting insertion hole, and a fixed step is formed on the inner side of the side wall of the mounting insertion hole corresponding to the limiting stop ring (10).

4. A convenient installation manual valve according to claim 3, characterized in that: The outer bottom of the pipeline connecting seat (9) is provided with a plurality of movable sliding grooves (11) in a ring array, and a plurality of sliding tightening protrusions (15) are fixedly connected to the inner wall of the limiting stop ring (10) corresponding to the movable sliding grooves (11), the inner end of the sliding tightening protrusion (15) penetrates the inner end of the movable sliding groove (11), and the upper end of the movable sliding groove (11) is provided with a stop ring reset spring (12), the upper end of the pipeline connecting seat (9) is rotatably inserted into a compression sleeve (13), and the outer threads of the compression sleeve (13) are threadedly connected to the inner ends of the plurality of sliding tightening protrusions (15).

5. A convenient installation manual valve according to claim 4, characterized in that: The inner wall center of the pipeline connecting seat (9) is fixedly connected to a pipeline inner insertion cylinder (14), and the air path pipeline is tightly fixed through the pipeline connecting seat (9) after being sleeved to the outer wall of the pipeline inner insertion cylinder (14), and the outer wall of the pipeline inner insertion cylinder (14) is a tapered structure.

6. A convenient installation manual valve according to claim 5, characterized in that: The outer wall of the pipeline inner insertion cylinder (14) is provided with a plurality of triangular protrusions, and the outer wall lower end of the pipeline connecting seat (9) is fixedly connected to a ring-shaped sealing ring.

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