CN211820812U - Oblique cone type pipeline gate valve - Google Patents

Abstract

The utility model discloses a tapered pipe gate valve, including the pipeline, its characterized in that: the top bolted connection of pipeline has the valve body, the dog is installed to the inner chamber bottom of pipeline, the left side of pipeline is pegged graft and is had the filter screen, filter screen left side top outer wall is seted up flutedly, filter screen left side top outer wall is provided with latch mechanism. This oblique cone formula pipeline gate valve realizes opening and closing the convenience of oblique cone gate valve through structures such as valve body, pipeline, lead screw, runner, sliding block, oblique cone, dog, and the throttle is effectual, realizes the filtration of impurity in the fluid through structures such as rectangle piece, horizontal pole, triangle piece, spring, filter screen, recess, makes the magazine can not adhere to in the main part of gate valve, and beneficial effect is obvious, and the suitability is strong.

Description

Oblique cone type pipeline gate valve

Technical Field

The utility model relates to a gate valve technical field specifically is a tapered pipeline gate valve.

Background

The gate valve is an opening and closing member gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed and can not be adjusted and throttled, the gate valve is sealed by the contact of a valve seat and the gate plate, usually, a sealing surface can be welded with metal materials to increase the wear resistance, such as welded 1Cr13, STL6, stainless steel and the like, the gate plate is provided with a rigid gate plate and an elastic gate plate, the gate valve is divided into the rigid gate valve and the elastic gate valve according to the difference of the gate plates, the gate valve can be used for relevant control in the control of a water pipeline, however, the existing pipeline gate valve has some defects in the using process, the connection sealing performance between the gate plate and the gate seat is not strong enough, the phenomenon of water flow leakage is easy to occur, the practicability of the gate valve is reduced, if impurities in fluid passing through the gate valve are too much, the impurities can be attached to the main body of the gate valve, the beneficial effects are not obvious, and the applicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oblique cone formula pipeline gate valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tapered pipe gate valve, includes pipeline, its characterized in that: the top end of the pipeline is connected with a valve body through a bolt, a stop block is installed at the bottom end of an inner cavity of the pipeline, a filter screen is inserted into the left side of the pipeline in a splicing mode, a groove is formed in the outer wall of the top end of the left side of the filter screen, and a clamping mechanism is arranged on the outer wall of the top end of the left side of the filter;

the valve body comprises a valve body, a lead screw, a rotating wheel, a sliding block and an inclined cone;

the inner cavity of the valve body is in threaded connection with a lead screw along the vertical direction, the top end of the lead screw is welded with a rotating wheel, the outer wall of the lead screw is in threaded connection with a sliding block, the sliding block is embedded with the inner wall of the valve body, and the bottom end of the sliding block is welded with an inclined cone;

the clamping mechanism comprises a rectangular block, a cross rod, a triangular block and a spring;

the bottom of the rectangular block is welded with the outer wall of the top end of the pipeline, a cross rod is inserted into an inner cavity of the rectangular block along the left-right direction, a triangular block is welded on the right side of the cross rod and is embedded with the groove, a spring is sleeved on the outer wall of the cross rod, and the spring is welded with the inner cavity of the rectangular block.

Preferably, the cross section of the block is triangular.

Preferably, the groove is a triangular groove.

Preferably, the outer wall of the left side of the cross rod is sleeved with a rubber sleeve.

Preferably, the inner cavity of the valve body is provided with a slideway.

Compared with the prior art, the beneficial effects of the utility model are that: this oblique cone formula pipeline gate valve realizes opening and closing the convenience of oblique cone gate valve through structures such as valve body, pipeline, lead screw, runner, sliding block, oblique cone, dog, and the throttle is effectual, realizes the filtration of impurity in the fluid through structures such as rectangle piece, horizontal pole, triangle piece, spring, filter screen, recess, makes the magazine can not adhere to in the main part of gate valve, and beneficial effect is obvious, and the suitability is strong.

Drawings

FIG. 1 is a front sectional view of the pipeline structure of the present invention;

FIG. 2 is a left side sectional view of the pipeline structure of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: 1. the valve body, 2, the pipeline, 3, the lead screw, 4, the runner, 5, the sliding block, 6, the oblique cone, 7, the dog, 8, the rectangle piece, 9, the horizontal pole, 10, the triangle piece, 11, the spring, 12, the filter screen, 13, recess.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a tapered pipeline gate valve comprises a pipeline 2, wherein a valve body is connected to the top end of the pipeline 2 through a bolt, a stop block 7 is installed at the bottom end of an inner cavity of the pipeline 2, a filter screen 12 is inserted into the left side of the pipeline 2 in an inserted mode, the filter screen 12 filters impurities in water in the pipeline, a groove 13 is formed in the outer wall of the top end of the left side of the filter screen 12, and a clamping mechanism is arranged on the outer wall of the top end of the left;

the valve body comprises a valve body 1, a screw rod 3, a rotating wheel 4, a sliding block 5 and an inclined cone 6;

the inner cavity of the valve body 1 is in threaded connection with a lead screw 3 in the vertical direction, the top end of the lead screw 3 is welded with a rotating wheel 4, the rotating wheel 4 is used for conveniently rotating the lead screw 3, the outer wall of the lead screw 3 is in threaded connection with a sliding block 5, the sliding block 5 can slide up and down on the inner wall of the valve body 1, the sliding block 5 is embedded with the inner wall of the valve body 1, and the bottom end of the sliding block 5 is welded with an oblique cone 6;

the clamping mechanism comprises a rectangular block 8, a cross rod 9, a triangular block 10 and a spring 11;

the bottom of rectangular block 8 welds mutually with the top outer wall of pipeline 2, and the inner chamber of rectangular block 8 is followed left right direction and is pegged graft and have horizontal pole 9, and the right side welding of horizontal pole 9 has three hornblocks 10, and three hornblocks 10 are rabbeted mutually with recess 13, and the outer wall of horizontal pole 9 has cup jointed spring 11, and spring 11 welds with the inner chamber of rectangular block 8, and spring 11's coefficient of elasticity is 10N CM.

Preferably, the cross section of the block 7 is triangular, and the oblique cone 6 and the block 7 block the water flow.

Preferably, the groove 13 is a triangular groove, and the groove 13 is inserted and matched with the triangular block 10.

As an optimal scheme, furthermore, the outer wall of the left side of the cross rod 9 is sleeved with a rubber sleeve, and the rubber sleeve plays a role in skid resistance.

As preferred scheme, still further, the inner chamber of valve body 1 has seted up the slide, and the slide prevents that slider 5 from rotating.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the gate valve is used, when the gate valve needs to be closed, a worker rotates the rotating wheel 4 clockwise, the rotating wheel 4 drives the screw rod 3 to rotate clockwise, the screw rod 3 rotates clockwise to drive the sliding block 5 to move downwards through the screw thread effect, the sliding block 5 drives the oblique cone 6 to move downwards, when the oblique cone 6 moves downwards to a certain position, after the oblique cone 6 is tightly attached to the stop block 7, the rotating wheel 4 stops rotating, the oblique cone 6 and the stop block 7 block water flow, a filter screen 12 is arranged at a water inlet of the pipeline 2, impurities in fluid passing through the pipeline 2 can be removed through the filter screen 12, the filter screen 12 is of a detachable structure, after the use end time, if more impurities are accumulated on the filter screen 12, the worker pulls the cross rod 9 leftwards, the cross rod 9 drives the triangular block 10 to move leftwards, when the triangular block 10 moves leftwards to be separated from the groove 13, the, after the filter screen 12 is cleaned, the filter screen 12 is inserted into the pipeline 2, and the filter screen 12 is replaced.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" or "coupling" or "mating" or "welding" or "mounting" or "providing" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A tapered pipe gate valve, includes pipeline (2), its characterized in that: the top end of the pipeline (2) is connected with a valve body through a bolt, a stop block (7) is installed at the bottom end of an inner cavity of the pipeline (2), a filter screen (12) is inserted into the left side of the pipeline (2), a groove (13) is formed in the outer wall of the top end of the left side of the filter screen (12), and a clamping mechanism is arranged on the outer wall of the top end of the left side of the filter screen (12);

the valve body comprises a valve body (1), a lead screw (3), a rotating wheel (4), a sliding block (5) and an inclined cone (6);

a screw rod (3) is screwed in the inner cavity of the valve body (1) along the vertical direction, a rotating wheel (4) is welded at the top end of the screw rod (3), a sliding block (5) is screwed on the outer wall of the screw rod (3), the sliding block (5) is embedded with the inner wall of the valve body (1), and an inclined cone (6) is welded at the bottom end of the sliding block (5);

the clamping mechanism comprises a rectangular block (8), a cross rod (9), a triangular block (10) and a spring (11);

the bottom of rectangle piece (8) and the top outer wall of pipeline (2) weld mutually, the inner chamber of rectangle piece (8) is followed left right direction and is pegged graft and have horizontal pole (9), the right side welding of horizontal pole (9) has three hornblocks (10), three hornblocks (10) are rabbeted with recess (13) mutually, the outer wall of horizontal pole (9) has cup jointed spring (11), the inner chamber welding of spring (11) and rectangle piece (8).

2. The tapered pipe gate valve of claim 1, further comprising: the cross section of the stop block (7) is triangular.

3. The tapered pipe gate valve of claim 1, further comprising: the groove (13) is a triangular groove.

4. The tapered pipe gate valve of claim 1, further comprising: the outer wall of the left side of the cross rod (9) is sleeved with a rubber sleeve.

5. The tapered pipe gate valve of claim 1, further comprising: the inner cavity of the valve body (1) is provided with a slideway.

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