Stop valve capable of being quickly opened and closed

Abstract

The utility model discloses a stop valve capable of being opened and closed quickly, which belongs to the technical field of stop valves and comprises a valve body, a valve cover, a valve core and a locking mechanism, the valve core is slidably connected in a containing groove, the top of the valve core is fixedly connected with a valve rod, and two locking grooves distributed at intervals are formed in one side of the valve rod. An inserting groove is formed in the position, located on one side of the valve rod, of the top of the valve cover, the locking mechanism comprises an inserting rod inserted into the inserting groove in a sliding mode, a first groove and a second groove are sequentially formed in one side of the inserting rod, a locking block is connected to one side of the first groove in a sliding mode, and a guide groove is formed in the inner wall of the first groove; guide blocks are fixedly connected to the two sides of the locking block, the guide blocks are slidably connected into the guide grooves, and springs are fixedly connected to the inner top walls of the second grooves. By arranging the valve element, the valve rod, the locking groove and the locking mechanism, quick opening and closing of the stop valve can be achieved, operation is quick, and the opening and closing efficiency of the stop valve is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of stop valve, concretely relates to a quick opening and closing stop valve. BACKGROUND

[0002] The stop valve belongs to the forced sealing type valve, and when the valve is closed, pressure must be applied to the valve disc to force the sealing surface to be leakproof, and when the stop valve is opened or closed, the hand wheel needs to be rotated for several turns, and the speed is slow.

[0003] The existing Chinese patent with the publication number CN216306735U discloses a marine stop valve, which comprises a valve body, a valve cover arranged at the top of the valve body, a valve rod threadedly connected to the middle of the valve cover, a rotating handle connected to the top of the valve rod, a direction-changing block arranged below the valve rod, an elastic rubber sleeve connected to the top of the direction-changing block, the top of the elastic rubber sleeve connected to the upper side wall inside the valve body, a rotating groove arranged in the direction-changing block, the bottom of the valve rod extending into the rotating groove through the elastic rubber sleeve and the direction-changing block and connected to a rod head, the rod head matched with the rotating groove, a fixed block fixedly connected to the bottom of the direction-changing block, a valve core arranged below the fixed block, a connecting rod arranged at the top of the valve core, an active cavity arranged in the fixed block, the connecting rod extending upward into the active cavity and connected to a limiting block, a spring connected between the top of the valve core and the bottom of the fixed block, the spring sleeved outside the connecting rod, an input pipe arranged at one side of the valve body, an output pipe arranged at the other side of the valve body, a valve port connected between the input pipe and the output pipe, and the central axis of the valve port coincides with the central axis of the valve core.

[0004] For the above-mentioned related technology, the inventors found that at least the following problems exist in the technology: the existing stop valve needs to be rotated several times to achieve opening and closing, which is not quick enough, and reduces the opening and closing efficiency of the stop valve. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a quick opening and closing stop valve to solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a quick opening and closing stop valve, including valve body, valve cover, valve core and locking mechanism, the inside of valve body is provided with valve hole, the top of valve body is fixedly installed, the bottom of valve cover is provided with accommodating groove, the valve core is connected in accommodating groove, the top of valve core is fixedly connected with valve rod, one side of valve rod is provided with two interval distribution's locking groove, the top of valve cover is located one side of valve rod and is provided with the slot, the locking mechanism is located in the slot, the locking mechanism includes the plug rod of sliding plug connection in the slot, one side of plug rod is sequentially provided with first recess and second recess, one side of first recess is connected with locking block in sliding mode, the inner wall of first recess is provided with guide groove, both sides of locking block are fixedly connected with guide block, the guide block is connected in sliding mode in guide groove, the inner top wall of second recess is fixedly connected with spring, the inner side wall of slot is fixedly connected with support plate, the lower end of spring abuts on support plate.

[0007] As a preferred implementation form, the valve body is provided with flanges at both ends.

[0008] As a preferred implementation form, the valve cover is inserted with a plurality of bolts at the edge, and the valve cover is fixedly installed on the valve body through the bolts.

[0009] As a preferred implementation form, the bottom of the valve core is fixedly connected with a sealing gasket.

[0010] As a preferred implementation form, the inner side wall of the accommodating groove is provided with a limiting groove, and both sides of the valve core are fixedly connected with limiting blocks, and the limiting blocks are connected in sliding mode in the limiting groove.

[0011] As a preferred implementation form, the upper end of the valve rod is fixedly connected with a handle.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The quick opening and closing stop valve, through setting the valve core, the valve rod, the locking groove and the locking mechanism, when opening the valve, only need to press the plug rod, make the plug rod compress the spring, at the same time, the plug rod drives the guide block of the locking block to slide in the guide groove, make the locking block move out from the upper locking groove, pull the handle, make the handle drive the valve rod to slide up, make the valve rod drive the valve core to move out from the valve hole, when hearing the 'click' sound, it shows that the locking block inserts into the lower locking groove under the elastic reset of the spring, locks the valve rod, completes the opening of the valve, when closing the valve, only need to press the plug rod, make the locking block move out from the lower locking groove, then press down the handle, when hearing the 'click' sound, it shows that the locking block inserts into the upper locking groove under the elastic reset of the spring, at this time, the valve core inserts into the valve hole, completes the closing of the valve, quick operation, improves the opening and closing efficiency of the stop valve.

[0014] The quick opening and closing stop valve, through setting the sealing gasket, can improve the sealing property after the valve core inserts into the valve hole. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the section structure schematic view of the utility model;

[0017] Figure 3 It is the utility model Figure 2 The structure enlarged view of A place in the middle.

[0018] In the drawing: 1, valve body;11, valve hole;12, flange;2, valve cover;21, containing groove;22, plug groove;23, support plate;24, bolt;25, limiting groove;3, valve core;31, valve rod;32, locking groove;33, sealing gasket;34, limiting block;35, handle;4, locking mechanism;41, plug rod;42, first recess;43, second recess;44, locking block;45, guide groove;46, guide block;47, spring. PREFERRED EMBODIMENT

[0019] The utility model will be further described in combination with examples.

[0020] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and the simple improvement of the method of the utility model under the concept of the utility model belongs to the range required to be protected by the utility model.

[0021] Please refer to Figures 1-3The utility model provides a quick open -close's stop valve, including valve body 1, valve cover 2, valve core 3 and locking mechanism 4, both ends of valve body 1 are provided with flange 12, through setting up flange 12, can install valve body 1 on the pipeline.

[0022] Referring to Figure 2 And Figure 3 The inside of valve body 1 is provided with valve hole 11, a plurality of bolts 24 are inserted in the edge of valve cover 2, valve cover 2 is fixedly installed on valve body 1 through bolt 24, the bottom of valve cover 2 is provided with accommodating groove 21, valve core 3 is slidably connected in accommodating groove 21, the top of valve core 3 is fixedly connected with valve rod 31, the upper end of valve rod 31 is fixedly connected with handle 35, two interval distribution locking grooves 32 are formed in one side of valve rod 31, an insertion slot 22 is formed in the top of one side of valve rod 31, locking mechanism 4 is arranged in insertion slot 22, locking mechanism 4 includes insertion rod 41 slidably inserted in insertion slot 22, first recess 42 and second recess 43 are sequentially formed in one side of insertion rod 41, locking block 44 is slidably connected in one side of first recess 42, guide groove 45 is formed in the inner wall of first recess 42, guide block 46 is fixedly connected in both sides of locking block 44, guide block 46 is slidably connected in guide groove 45, spring 47 is fixedly connected in the inner top wall of second recess 43, support plate 23 is fixedly connected in the inner side wall of insertion slot 22, the lower end of spring 47 abuts on support plate 23, by setting valve core 3, valve rod 31, locking groove 32 and locking mechanism 4, when opening the valve, only need to press insertion rod 41, make insertion rod 41 compress spring 47, simultaneously, insertion rod 41 drives the sliding of guide block 46 of locking block 44 in guide groove 45, makes locking block 44 remove from the locking groove 32 in the top, simultaneously, pulls handle 35, makes handle 35 drive the sliding of valve rod 31, makes valve rod 31 drive valve core 3 remove from valve hole 11, when hearing " click " sound, it shows that locking block 44 inserts into the locking groove 32 in the bottom under the elastic reset of spring 47, locks valve rod 31, completes the opening of the valve, when closing the valve, only need to press insertion rod 41 again, make locking block 44 remove from the locking groove 32 in the bottom, then, press handle 35, when hearing " click " sound, it shows that locking block 44 inserts into the locking groove 32 in the top under the elastic reset of spring 47, at this time, valve core 3 inserts into valve hole 11, completes the closing of the valve, the operation is quick, improves the opening and closing efficiency of stop valve.

[0023] The bottom of valve core 3 is fixedly connected with sealing gasket 33, by setting sealing gasket 33, the sealing property after valve core 3 inserts valve hole 11 can be improved.

[0024] The inner side wall of the accommodating groove 21 is provided with a limiting groove 25, and the valve core 3 is fixedly connected with a limiting block 34 on both sides, and the limiting block 34 is slidingly connected in the limiting groove 25.

[0025] The working principle and use process of the utility model are as follows: firstly, when opening the valve, only need to press the inserting rod 41, make the inserting rod 41 compress the spring 47, simultaneously the inserting rod 41 drives the guiding block 46 of locking block 44 to slide in the guiding groove 45, make locking block 44 remove from the locking groove 32 of top, simultaneously pull handle 35, make handle 35 drive valve rod 31 to slide up, make valve rod 31 drive valve core 3 to remove from valve hole 11, when hearing " click " sound, then show that locking block 44 inserts into the locking groove 32 of below under the elastic reset of spring 47, locking valve rod 31, complete the opening of valve; when closing the valve, also only need to press the inserting rod 41, make locking block 44 remove from the locking groove 32 of below, then press down handle 35, when hearing " click " sound, then show that locking block 44 inserts into the locking groove 32 of top under the elastic reset of spring 47, valve core 3 inserts into valve hole 11 at this time, complete the closing of valve, operation is quick, improve the opening and closing efficiency of stop valve.

[0026] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-opening and quick-closing stop valve comprising a valve body (1), a valve cover (2), a valve core (3) and a locking mechanism (4), characterized in that: The inside of the valve body (1) is provided with a valve hole (11), the valve cover (2) is fixedly installed on the top of the valve body (1), the bottom of the valve cover (2) is provided with a containing groove (21), the valve core (3) is slidingly connected in the containing groove (21), the top of the valve core (3) is fixedly connected with a valve rod (31), one side of the valve rod (31) is provided with two spaced locking grooves (32), the top of the valve cover (2) is provided with a slot (22) on one side of the valve rod (31), the locking mechanism (4) is arranged in the slot (22), the locking mechanism (4) comprises an insertion rod (41) slidingly inserted in the slot (22), one side of the insertion rod (41) is sequentially provided with a first recess (42) and a second recess (43), one side of the first recess (42) is slidingly connected with a locking block (44), the inner wall of the first recess (42) is provided with a guide groove (45), both sides of the locking block (44) are fixedly connected with guide blocks (46), the guide blocks (46) are slidingly connected in the guide groove (45), the inner top wall of the second recess (43) is fixedly connected with a spring (47), the inner side wall of the slot (22) is fixedly connected with a support plate (23), the lower end of the spring (47) abuts against the support plate (23).

2. The quick open and close stop valve according to claim 1, characterized in that: Both ends of the valve body (1) are provided with flanges (12).

3. The quick open and close stop valve according to claim 1, characterized in that: The edges of the valve cover (2) are inserted with a plurality of bolts (24), and the valve cover (2) is fixedly installed on the valve body (1) through the bolts (24).

4. The quick open and close stop valve according to claim 1, characterized in that: The bottom of the valve core (3) is fixedly connected with a sealing gasket (33).

5. The quick open and close stop valve according to claim 1, characterized in that: The inner side wall of the containing groove (21) is provided with a limiting groove (25), both sides of the valve core (3) are fixedly connected with limiting blocks (34), and the limiting blocks (34) are slidingly connected in the limiting groove (25).

6. The quick open and close stop valve according to claim 1, characterized in that: The upper end of the valve rod (31) is fixedly connected with a handle (35).

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