Linkage stretching sealing ball valve

Abstract

The utility model relates to the technical field of valves, in particular to a linkage stretching sealing ball valve which comprises a valve body and an opening and closing piece which is movably clamped, attached and arranged in the valve body in a sealed mode, and the top end of the opening and closing piece penetrates through the top of the valve body and extends upwards. The opening and closing piece comprises a rotating rod penetrating through the valve body and extending upwards and a ball valve element arranged at the bottom end of the rotating rod, a sealing ring is arranged outside the ball valve element, a water passing channel is integrally formed in an inner cavity of the ball valve element, and a surrounding air pipe is arranged between the exterior of the ball valve element and the inner wall of the sealing ring. A plurality of impact pipes embedded into the inner wall of the sealing ring are arranged on the outer wall of the surrounding air pipe, a conveying air pipe is integrally formed in the rotating rod, and the bottom end of the conveying air pipe communicates with the surrounding air pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a linkage stretch sealing ball valve. BACKGROUND

[0002] Valve is used for opening and closing pipeline, controls flow direction, adjusts and controls the parameter (temperature, pressure and flow) of conveying medium, and is pipeline accessory, according to its function, can be divided into shut-off valve, check valve, regulating valve, also can be divided into ball valve, butterfly valve, gate valve according to the type of its opening element, and the ball valve is a kind of valve, its opening and closing element is spherical, and water passage that can pass water flow is provided in opening and closing element, rotating opening and closing element, can make valve open or close, compared with traditional gate valve, it is more fast to open and close, and it is more labor-saving to open and close.

[0003] Although the above prior art can solve the corresponding technical problems, there are still some defects: the existing ball valve will have part of water remaining in the ball valve after water flow transmission, and then when used in cold zone, the remaining water remaining in the ball valve is easy to freeze, and then the inner cavity of the ball valve is easy to freeze ice and cause flow decline phenomenon, and the valve core of the ball valve is also easy to freeze and rotate, which affects use. UTILITY MODEL CONTENTS

[0004] The utility model is directed at the defects and deficiencies of prior art, and provides a linkage stretch sealing ball valve that is easy to open and not easy to jam.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a linkage stretch sealing ball valve, including valve body and opening and closing element movably clamped and closedly arranged in the valve body, the top end of the opening and closing element penetrates the top of the valve body and extends upward, the opening and closing element includes a rotating rod penetrating the valve body and extending upward and a ball valve core arranged at the bottom end of the rotating rod, the ball valve core is externally provided with a closing ring, the inner cavity of the ball valve core is integrally formed with a water passage, a surrounding air pipe is arranged between the outer wall of the ball valve core and the inner wall of the closing ring, a plurality of impact pipes are arranged on the outer wall of the surrounding air pipe and embedded in the inner wall of the closing ring, a transmission air pipe is integrally formed in the rotating rod, and the bottom end of the transmission air pipe is connected with the surrounding air pipe.

[0006] Further improvement is that: the valve body is provided with a connecting flange on both sides.

[0007] Further improvement is that: a power motor connected with the rotating rod is detachably arranged on the top of the valve body.

[0008] Further improvement is that: the impact pipe includes an upper impact pipe body connected with the surrounding air pipe and embedded in the inner wall of the closing ring, and an upper impact block closedly and slidably arranged in the inner wall of the upper impact pipe body.

[0009] Further improvement is that the upper punch top is further provided with a hemispherical concentration block.

[0010] Further improvement is that the upper punch bottom is integrally formed with a pressure groove.

[0011] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: when the temperature outside is very low and freezing occurs, high-pressure air can be injected into the transmission air pipe, and then the high-pressure air enters the surrounding air pipe, the pressure of the high-pressure air is output to the impact pipe through the surrounding air pipe, the impact pipe impacts the closed ring, the ice layer condensed outside the closed ring is broken by the impact force, and the ball valve core can rotate normally after repeated operations, and the frozen ball valve core can be restored to rotate conveniently and quickly. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Fig. 1 is a structure schematic diagram of a front view section of the ball valve of the present application;

[0014] Fig. 2 is a structure schematic diagram of a side view section of the opening and closing member of the present application;

[0015] Fig. 3 is a structure schematic diagram of a front view section of the impact pipe of the present application. DETAILED DESCRIPTION

[0016] The present application will be further described in combination with the drawings and specific embodiments.

[0017] Referring to Figs. 1-3The technical scheme adopted by the present embodiment is shown as follows: a linkage expansion sealing ball valve, comprising a valve body 1 and a movable clamping and closed closing member 4 arranged in the valve body 1, the top end of the closing member 4 penetrates the top of the valve body 1 and extends upward, the closing member 4 comprises a rotating rod 41 penetrating the valve body 1 and extending upward and a ball valve core 42 arranged at the bottom end of the rotating rod 41, the ball valve core 42 is externally provided with a closed ring 46, the inner cavity of the ball valve core 42 is integrally formed with a water passing channel 43, a surrounding air pipe 45 is arranged between the outer wall of the ball valve core 42 and the inner wall of the closed ring 46, the outer wall of the surrounding air pipe 45 is provided with a plurality of impact pipes 47 embedded in the inner wall of the closed ring 46, the impact pipe 47 comprises an upper impact pipe body 471 which is in communication with the surrounding air pipe 45 and is embedded in the inner wall of the closed ring 46, and an upper impact block 472 which is closed and slidingly arranged in the inner wall of the upper impact pipe body 471, the rotating rod 41 is integrally formed with a transmission air pipe 44 at the inner side, the bottom end of the transmission air pipe 44 is in communication with the surrounding air pipe 45, in use, the valve body 1 is connected in the pipeline, and the ball valve core 42 is rotated by rotating the rotating rod 41, when the water passing channel 43 of the ball valve core 42 coincides with the inner cavity of the valve body 1, the water flow can pass through, when the closed ring 46 of the ball valve core 42 coincides with the inner cavity of the valve body 1, the inner cavity of the valve body 1 is closed, so that the water flow cannot pass through, if the external temperature is very low, freezing phenomenon occurs, at this time, high pressure air can be injected from the transmission air pipe 44, so that the high pressure air enters the surrounding air pipe 45, the pressure of the high pressure air is output to the upper impact pipe body 471 of the impact pipe 47 through the surrounding air pipe 45, the upper impact block 472 is pushed upward by the high pressure air, and impacts the inner wall of the closed ring 46 with high impact force, the ice layer condensed outside the closed ring 46 is broken by the impact force, and the closing member 4 can be normally rotated by repeating the above process for many times, and the rotation force is recovered after freezing, which is convenient and fast.

[0018] The valve body 1 is provided with a connecting flange 6 on both sides, which is convenient for connecting the valve body 1 to the external pipeline.

[0019] The top of the valve body 1 is detachably provided with a power motor 5 connected with the rotating rod 41, which is convenient for improving the torsion through the power motor 5, so that the rotating rod 41 and the ball valve core 42 can be twisted more effectively, and the automation is improved.

[0020] The top of the upper impact block 472 is further provided with a hemispherical concentration block 473, which is convenient for concentrating the impact force, so that the condensed ice layer can be impacted more concentratedly, and the ice layer can be cracked more easily.

[0021] The bottom of the upper impact block 472 is integrally formed with a pressure groove 474, which is convenient for enabling the high pressure gas to push the upper impact block 472 to impact upward more efficiently.

[0022] The utility model discloses a working principle: the utility model uses, connects valve body 1 in pipeline, and drives ball valve core 42 to rotate through rotating rotating rod 41, when the water passage 43 of ball valve core 42 coincides with the inner chamber of valve body 1, can make water flow, when the sealing ring 46 of ball valve core 42 coincides with the inner chamber of valve body 1, can close the inner chamber of valve body 1, makes water flow unable, if the temperature of outside is very low, produces freezing phenomenon, at this time can from transmission air pipe 44 in the high pressure air, and then make high pressure air enter to surround air pipe 45, and the pressure of high pressure air is exported to the upper impact pipe body 471 of impact pipe 47 through surround air pipe 45, and the upper impact block 472 is moved upward through high pressure air to push, and with high impact force impact sealing ring 46 inner wall, and the ice layer that condenses on the outside of sealing ring 46 is broken through impact force, repeatedly many times, thereby make opening and closing member 4 can rotate normally, and the frozen recovery rotation force is convenient and fast.

[0023] The utility model wants to protect the structure of product, and the model of each element is not the content of the utility model protection, is also the known technology, and the element of market as long as can realize the function of the above-mentioned utility model can be as a kind of selection application.Therefore the model of element and so on parameters are not detailed in the utility model.The contribution of the utility model is that each element is combined scientifically.

[0024] The basic principle and main features of the utility model and its advantages are shown and described above, and the skilled person in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and description are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.The utility model is not detailed, and all are the known technology of the skilled person in the art.

Claims

1. A linkage type expanding sealing ball valve, comprising a valve body (1) and a movable closing member (4) which is movably engaged and tightly closed in the valve body (1), the top end of the closing member (4) penetrates the top of the valve body (1) and extends upward, the closing member (4) comprises a rotating rod (41) which penetrates the valve body (1) and extends upward, and a ball valve core (42) which is arranged at the bottom end of the rotating rod (41), the ball valve core (42) is externally provided with a closing ring (46), and a water passing channel (43) is integrally formed in the inner cavity of the ball valve core (42), characterized in that: The outer wall of the surrounding air pipe (45) is provided with a plurality of impact pipes (47) embedded in the inner wall of the closed ring (46), the inner wall of the rotating rod (41) is integrally formed with a transmission air pipe (44), and the bottom end of the transmission air pipe (44) is communicated with the surrounding air pipe (45).

2. A linked-traveling seal ball valve according to claim 1, characterized in that: Both sides of the valve body (1) are provided with connecting flanges (6).

3. A linked-traveling seal ball valve according to claim 1, wherein: The top of the valve body (1) is detachably provided with a power motor (5) connected with the rotating rod (41).

4. A linked-traveling seal ball valve according to claim 1, wherein: The impact pipe (47) comprises an upper impact pipe body (471) communicated with the surrounding air pipe (45) and embedded in the inner wall of the closed ring (46), and an upper impact block (472) closed and slidably arranged in the inner wall of the upper impact pipe body (471).

5. A linked-traveling seal ball valve according to claim 4, wherein: The top of the upper impact block (472) is further provided with a hemispherical concentration block (473).

6. A linked-traveling seal ball valve according to claim 4, wherein: The bottom of the upper impact block (472) is integrally formed with a pressure groove (474).

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