CN222633914U - Buffer type check valve - Google Patents

Abstract

The utility model relates to the technical field of check valves, in particular to a buffer type check valve which comprises a check valve structure, wherein the check valve structure comprises a valve body, a water outlet pipe fitting is connected to the side face of the valve body in a penetrating way, and a water pressure buffer structure is arranged at one end, far away from the water outlet pipe fitting, of the check valve structure. According to the utility model, a high-pressure water source flows into the circulation buffer drum through the water inlet pipe at first, and presses the water pressure buffer plate in the circulation buffer drum, so that the water pressure buffer plate is impacted by the water source to drive the buffer rotating rod to rotate in the circulation buffer drum, the buffer rotating rod drives the flywheel to rotate in the magnetic field of the electromagnet, and when the flywheel rotates, the conductor in the circulation buffer drum cuts the magnetic field through interaction between the electromagnet and the flywheel and the conductor based on the magnetic field, and induction current can be generated in the conductor according to Faraday electromagnetic induction law, and the induction current interacts with the magnetic field to generate braking torque, so that resistance adjustment is realized.

Description

Buffer type check valve

Technical Field

The utility model relates to the technical field of check valves, in particular to a buffer type check valve.

Background

The check valve is arranged in the pipeline and comprises a valve body and a valve core rotationally connected with the valve body, under the condition that fluid reversely flows, the fluid can push the valve core to enable a channel in the valve body to be closed, and at the moment, when the valve core closes the channel in the valve body, the fluid impacts on the valve core to generate obvious water hammer phenomenon, so that the whole check valve can vibrate in a larger amplitude to further influence the sealing effect in the check valve. Chinese patent discloses (grant bulletin number CN 220082290U), and this patent technology discloses a buffering type check valve, belongs to valve technical field, solves and produces comparatively obvious water hammer phenomenon for the vibrations of great amplitude can appear in whole check valve, and then influence the problem of the sealed effect in the check valve, lead to the problem of unable assurance good sealed effect between the two. The utility model comprises a valve body and a connecting disc which is detachably connected in the valve body and is arranged along the direction of a channel in the valve body, wherein a flow channel for fluid to pass through is arranged on the connecting disc, a slide bar is arranged on the connecting disc in a penetrating manner in the thickness direction, one end of the slide bar limits the slide bar to be separated from the connecting disc, the other end of the slide bar shields the flow channel, and both ends of the slide bar are made of elastic materials. The elastic material is used for solving the problems that when reverse fluid is contacted with one end of the sliding rod, the sliding rod cannot rigidly collide with the connecting disc.

But among the prior art rivers last to strike, can make the bolster be difficult for the resilience, and then to the effect reduction of water source buffering, when needing to solve the water inlet to the water source, adjustable to water source buffer pressure, to the problem of water source buffering.

Accordingly, a buffering type check valve is provided by those skilled in the art to solve the problems set forth in the background art described above.

Disclosure of utility model

In order to solve the technical problems, the utility model provides:

The buffer type check valve comprises a check valve structure, wherein the check valve structure comprises a valve body, a water outlet pipe fitting is connected to the side face of the valve body in a penetrating mode, a water pressure buffer structure is installed at one end, far away from the water outlet pipe fitting, of the check valve structure, the water pressure buffer structure comprises a circulating buffer drum, a buffer water pipe is integrally arranged in a penetrating mode at one end of the circulating buffer drum, a water inlet pipe is integrally connected to the other end of the circulating buffer drum, a side fixing disc is integrally fixed to one side wall of the circulating buffer drum, a buffer rotating rod is installed at the center of the side fixing disc in a rotating mode, one end of the buffer rotating rod penetrates through the side fixing disc in a penetrating mode, a flywheel is fixedly installed, and an electromagnet is arranged outside the flywheel.

Preferably, the bottom end of the valve body is integrally provided with a butt bottom valve in a sealing way, and the butt bottom valve is integrally connected with the buffer water pipe.

The circulating buffer drum is connected with the valve body through a buffer water pipe and a butt joint bottom valve in a water supply manner.

Preferably, an inner valve groove is formed in the valve body, a check valve core is movably arranged in the inner valve groove, a spring is mounted on the surface of the check valve core, and a lower pressure plate is fixedly arranged at the top end of the spring.

Preferably, a ring shaft is rotatably arranged at the center of the lower pressure plate, a screw rod is rotatably arranged at the inner side of the ring shaft, a sealing disc piece is arranged outside the screw rod in a spiral transmission manner, and the sealing disc piece is detachably arranged on the surface of the valve body piece.

Preferably, the top end of the screw rod is fixedly provided with a hand wheel.

Preferably, a pressure adjusting cylinder is arranged outside the electromagnet, the pressure adjusting cylinder is fixedly assembled on the outer wall of the side fixing disc, and a sealing outer disc is detachably arranged on the outer side of the pressure adjusting cylinder.

Preferably, the outer wall of the buffering rotating rod is provided with four water pressure buffering plates in an annular equidistant fixed mode, and the water pressure buffering plates are movably located on the inner side of the circulating buffering drum.

The side sealing disc is detachably and hermetically arranged on the other side wall of the circulating buffer drum.

The electromagnet is electrically connected with a controller, and the controller is arranged on the pressure regulating disc.

The utility model has the technical effects and advantages that:

According to the utility model, a high-pressure water source flows into the circulation buffer drum through the water inlet pipe at first, and presses the water pressure buffer plate in the circulation buffer drum, so that the water pressure buffer plate is impacted by the water source to drive the buffer rotating rod to rotate in the circulation buffer drum, the buffer rotating rod drives the flywheel to rotate in the magnetic field of the electromagnet, and when the flywheel rotates, the conductor in the circulation buffer drum cuts the magnetic field through interaction between the electromagnet and the flywheel and the conductor based on the magnetic field, and induction current can be generated in the conductor according to Faraday electromagnetic induction law, and the induction current interacts with the magnetic field to generate braking torque, so that resistance adjustment is realized.

Drawings

Fig. 1 is a schematic structural view of a buffer type check valve according to an embodiment of the present application;

FIG. 2 is a schematic view of the front surface of a buffer check valve according to an embodiment of the present application;

FIG. 3 is a schematic view of a side sealing disk in a cushion check valve according to an embodiment of the present application;

FIG. 4 is a schematic view of a hydraulic buffering structure in a buffering check valve according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a buffering check valve stop valve structure according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an electromagnet in a buffer check valve according to an embodiment of the present application.

In the figure:

1. The valve comprises a check valve structure, a water outlet pipe fitting, a valve body, a 103, a butt joint bottom valve, a 104, a buffer water pipe, a 105, an inner valve groove, a 106, a check valve core, a 107, a spring, a 108, a sealing disc, a 109, a screw rod, a 110 and a hand wheel;

2. A hydraulic buffer structure; 201, a circulation buffer drum, 202, a side sealing disc, 203, a side fixing disc, 204, a pressure regulating cylinder, 205, a buffer rotating rod, 206, a water pressure buffer plate, 207, a flywheel, 208, an electromagnet, 209, a sealing outer disc, 210, a water inlet pipe, 211 and a controller.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Examples:

Referring to fig. 1-6, in the present embodiment, a buffer type check valve is provided, which includes a check valve structure 1, wherein the check valve structure 1 includes a valve body member 102, a water outlet pipe member 101 is connected to a side surface of the valve body member 102 in a through manner, and a hydraulic buffer structure 2 is installed at one end of the check valve structure 1 far from the water outlet pipe member 101;

The hydraulic buffer structure 2 comprises a circulating buffer drum 201, one end of the circulating buffer drum 201 is integrally provided with a buffer water pipe 104 in a penetrating way, and the other end of the circulating buffer drum 201 is integrally connected with a water inlet pipe 210;

A side fixing plate 203 is integrally fixed on one side wall of the circulating buffer drum 201, a buffer rotating rod 205 is rotatably installed at the center of the side fixing plate 203, one end of the buffer rotating rod 205 penetrates through the side fixing plate 203 in a rotating mode, a flywheel 207 is fixedly installed, and an electromagnet 208 is arranged outside the flywheel 207;

The circulating buffer drum 201 is connected with the valve body 102 in a water supply way through the buffer water pipe 104 and the butt joint bottom valve 103, an inner valve groove 105 is formed in the valve body 102, a check valve core 106 is movably arranged in the inner valve groove 105, a spring 107 is arranged on the surface of the check valve core 106, and a lower pressure plate is fixedly assembled at the top end of the spring 107;

The center of the lower pressure plate is rotatably provided with a ring shaft, the inner side of the ring shaft is rotatably provided with a screw rod 109, the outside of the screw rod 109 is spirally driven and provided with a sealing disc 108, the sealing disc 108 is detachably arranged on the surface of the valve body 102, the top end of the screw rod 109 is fixedly provided with a hand wheel 110, the outside of the electromagnet 208 is provided with a pressure regulating cylinder 204, the pressure regulating cylinder 204 is fixedly arranged on the outer wall of the side fixed plate 203, and the outside of the pressure regulating cylinder 204 is detachably provided with a sealing outer plate 209;

Four water pressure buffer plates 206 are fixedly arranged on the outer wall of the buffer rotating rod 205 at equal intervals in an annular shape, the water pressure buffer plates 206 are movably located on the inner side of the circulation buffer drum 201, a side sealing disc 202 is detachably and hermetically arranged on the other side wall of the circulation buffer drum 201, a controller 211 is electrically connected with the electromagnet 208, and the controller 211 is arranged on the pressure regulating disc 204.

Working principle:

The check valve structure 1 is connected with a water pipe through flanges on the water outlet pipe fitting 101 and the water inlet pipe 210;

When the check valve structure 1 is opened, a high-pressure water source firstly flows into the circulation buffer drum 201 through the water inlet pipe 210, the water pressure buffer plate 206 in the circulation buffer drum 201 is pressurized, the water pressure buffer plate 206 is impacted by the water source to drive the buffer rotary rod 205 to rotate in the circulation buffer drum 201, the buffer rotary rod 205 drives the flywheel 207 to rotate in the magnetic field of the electromagnet 208, the flywheel 207 cuts the magnetic field through the interaction between the electromagnet 208 and the conductor based on the magnetic field, and when the flywheel 207 rotates, induced current is generated in the conductor according to Faraday electromagnetic induction law, and the induced current interacts with the magnetic field to generate braking moment, so that the resistance adjustment is realized;

the electromagnet 208 is connected with a controller 211 for adjusting gear voltage;

When the flywheel 207 rotates in the magnetic field in the electromagnet 208, electromagnetic resistance is provided, the water source flowing in the circulation buffer drum 201 is buffered through the water pressure buffer plate 206, the water source with reduced water pressure is discharged into the inner valve groove 105 of the valve body member 102 through the buffer water pipe 104 connected with the butt joint bottom valve 103, the spring 107 is pressed through the check valve core 106 by the pressure of the water pressure, the spring 107 is compressed, the water source can be discharged into the inner valve groove 105, and the water source is discharged from the water outlet pipe fitting 101 through the inner valve groove 105;

When the compression pressure of the spring 107 is adjusted, the screw 109 is rotated manually to adjust the height along the sealing disc 108 in a spiral transmission manner, so that the spring 107 descends through the lower pressure disc, and the compression pressure of the spring 107 is adjusted.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, connected internally of two elements or the interaction relationship of two elements, and the specific meaning of the terms in the present utility model will be understood by those skilled in the art according to the specific circumstances unless explicitly defined otherwise.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (7)

1. A buffer type check valve, characterized in that it comprises: a check valve structure (1); the check valve structure (1) comprises a valve body (102), a water outlet pipe (101) is connected to the side of the valve body (102), and a water pressure buffer structure (2) is installed at one end of the check valve structure (1) away from the water outlet pipe (101); The water pressure buffer structure (2) comprises a circulating buffer drum (201), one end of the circulating buffer drum (201) is integrally provided with a buffer water pipe (104), and the other end of the circulating buffer drum (201) is integrally connected to a water inlet pipe (210); A side fixed disk (203) is integrally fixed to one side wall of the circulation buffer drum (201), a buffer rotating rod (205) is rotatably mounted at the center of the side fixed disk (203), one end of the buffer rotating rod (205) rotates through the side fixed disk (203) and is fixedly mounted with a flywheel (207), and an electromagnet (208) is disposed outside the flywheel (207). 2. A buffer type check valve according to claim 1, characterized in that a docking bottom valve (103) is integrally sealed at the bottom end of the valve body (102), and the docking bottom valve (103) is integrally connected to the buffer water pipe (104). 3. A buffer-type check valve according to claim 2, characterized in that an inner valve groove (105) is opened inside the valve body (102), a check valve core (106) is movably provided inside the inner valve groove (105), a spring (107) is installed on the surface of the check valve core (106), and a lower pressure plate is fixedly assembled on the top of the spring (107). 4. A buffer-type check valve according to claim 3, characterized in that a ring shaft is rotatably installed at the center of the lower pressure plate, and a screw rod (109) is rotatably installed on the inner side of the ring shaft, and a sealing disk component (108) is provided on the outer spiral transmission of the screw rod (109), and the sealing disk component (108) is detachably installed on the surface of the valve body component (102). 5. A buffer type check valve according to claim 4, characterized in that a hand wheel (110) is fixedly mounted on the top end of the screw rod (109). 6. A buffer-type check valve according to claim 1, characterized in that a pressure regulating cylinder (204) is installed on the outside of the electromagnet (208), the pressure regulating cylinder (204) is fixedly assembled on the outer wall of the side fixed disk (203), and a sealing outer disk (209) is detachably installed on the outer side of the pressure regulating cylinder (204). 7. A buffer-type check valve according to claim 1, characterized in that the outer wall of the buffer rotating rod (205) is annularly equidistantly fixed with four water pressure buffer plates (206), and the water pressure buffer plates (206) are movably located on the inner side of the circulating buffer drum (201).