CN220891228U

CN220891228U - Electric leak-proof valve

Info

Publication number: CN220891228U
Application number: CN202322657543.8U
Authority: CN
Inventors: 谭珍
Original assignee: Foshan Ruiji Machinery Co ltd
Current assignee: Foshan Ruiji Machinery Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-03
Anticipated expiration: 2033-09-28

Abstract

The utility model relates to the field of valve devices, and particularly discloses an electric leakage-stopping valve, which comprises a valve body, wherein the valve body comprises a valve barrel, a valve rod and a valve core, the valve barrel is of an internal hollow structure, a feed inlet is arranged on the side surface of the valve barrel, a discharge outlet is arranged at one end of the valve barrel, one end of the valve rod extends into the valve barrel, the other end of the valve rod extends out of the valve barrel, and the valve core is connected with one end of the valve rod extending into the valve barrel and used for blocking the discharge outlet; the driving assembly comprises a motor, an eccentric wheel and a swinging rod, wherein the eccentric wheel is fixedly connected with an output shaft of the motor, one end of the swinging rod is rotatably connected with the eccentric wheel, and the other end of the swinging rod is hinged with one end of the valve rod extending out of the valve cylinder. The electric leakage-stopping valve is directly driven by the motor, energy utilization rate can be improved without energy multilevel conversion, and voltage stability directly supplied by a power grid is higher than that provided by a common gas tank or an air compression station, so that accuracy can be ensured without an additionally equipped voltage stabilizing device, and the electric leakage-stopping valve is simpler in structure and lower in cost.

Description

Electric leak-proof valve

Technical Field

The utility model relates to the field of valve devices, in particular to an electric leakage-stopping valve.

Background

The filling machine is widely applied to industries such as food, medicine, daily chemicals, grease and the like, and can fill fluids with different viscosities. The leak-proof valve is an important component of the filling machine for controlling the filling quantity. In the prior art, the leak-proof valve is usually provided with a cylinder to drive the filling rod to reciprocate, so that the sealing and the separation of the filling rod and the filling head are controlled, and the opening and closing control of the fluid filling is realized.

Because the leak-proof valve is driven to open and close by the air cylinder, the air tank or the air pressure station is required to be arranged on the filling machine, which inevitably leads to the increase of energy consumption, and the arrangement of the air pipe can complicate and make the structure of the equipment more complicated, thereby increasing the investment of cost. In addition, because the cylinder is by compressed gas drive, in order to ensure the accuracy of leak-proof valve switching, the pressure of the compressed gas of drive cylinder must remain invariable, just can satisfy the requirement of accurate control, but the pressure of the compressed gas of general gas pitcher and atmospheric pressure station output all can inevitably take place undulantly, this just leads to the accurate that just hardly ensures the leak-proof valve switching, leads to the filling volume inaccurate, and the emergence leaks and still can cause the waste of filling material, needs additionally to increase pressure stabilizing device in order to solve this problem, can further increase the input of cost like this.

The technical problems to be solved by the application are as follows: how to improve the control precision of the leakage stop valve and reduce the energy consumption for controlling the opening and closing of the leakage stop valve.

Disclosure of utility model

In order to overcome the defects of the prior art, the utility model aims to provide the electric leakage-stopping valve which is simple in structure, high in control precision and low in energy consumption.

The technical scheme adopted by the utility model is as follows: the electric leakage-stopping valve comprises a valve body, wherein the valve body comprises a valve barrel, a valve rod and a valve core, the valve barrel is of an internal hollow structure, a feed inlet is formed in the side face of the valve barrel, a discharge outlet is formed in one end of the valve barrel, one end of the valve rod extends into the valve barrel, the other end of the valve rod extends out of the valve barrel, the valve core is connected with one end of the valve rod extending into the valve barrel and used for blocking the discharge outlet, and the electric leakage-stopping valve further comprises a driving assembly;

The driving assembly comprises a motor, an eccentric wheel and a swinging rod, wherein the eccentric wheel is fixedly connected with an output shaft of the motor, one end of the swinging rod is rotatably connected with the eccentric wheel, and the other end of the swinging rod is hinged with one end of the valve rod extending out of the valve cylinder.

The electric leakage-stopping valve provided by the application has the advantages that the eccentric wheel is driven by the motor to rotate, the eccentric wheel drives the swing rod to swing, and the valve rod is driven to do linear reciprocating motion, so that the valve core is used for controlling the opening and closing of the discharge hole, the transmission efficiency is high, and the energy loss is reduced; the traditional leak-stopping valve driven by the air cylinder needs to compress air by utilizing electric energy, then the air cylinder is driven by adopting compressed gas, multi-stage energy conversion exists in the process, the energy loss is necessarily caused, the energy utilization rate is reduced, the energy consumption is increased, the electric leak-stopping valve is directly driven by a motor, the energy utilization rate can be improved without energy multi-stage conversion, and the power required by the motor for driving the valve rod is definitely smaller than the power of the motor for driving the air compression, so that the electric leak-stopping valve is more energy-saving; the voltage stability of the electric power grid is higher than that of the air pressure provided by a common air tank or an air compression station, so that the electric leakage-stopping valve is not required to be provided with an additional voltage stabilizing device, the precision can be ensured, and the structure is simpler and the cost is lower compared with that of the pneumatic leakage-stopping valve.

In some embodiments, the swing link comprises a joint head and a pivot joint, one end of the joint head, which is rotationally connected with the deflection wheel, is provided with a bearing, the other end of the joint head is detachably connected with the pivot joint, and the other end of the pivot joint is hinged with the valve rod. The swing rod is arranged to be of a split type structure, on one hand, the pivot joint belongs to a loss piece due to the functional characteristics of the pivot joint, and the pivot joint and the joint head are detachably connected after being used for a period of time, so that only the pivot joint can be replaced, and the piece replacement cost is reduced; on the other hand, the valve rod can be conveniently assembled and disassembled, and the motor is not required to be disassembled when the valve rod is replaced or installed.

In some embodiments, the valve stem comprises a connecting rod and a hinge joint, one end of the connecting rod is connected with the valve core, the other end of the connecting rod is detachably connected with one end of the hinge joint, and the other end of the hinge joint is hinged with the hinge joint. The hinge joint is detachably connected with the connecting rod, so that the hinge joint can be independently replaced after being worn, the valve rod is not required to be directly replaced integrally, and the replacement cost is reduced.

In some embodiments, the valve body further comprises a first quick connector, a second quick connector and a clamping piece, wherein the first quick connector is fixedly connected with one end of the valve barrel, which is far away from the discharge hole, the second quick connector is in butt joint with the first quick connector, and the clamping piece is connected with the first quick connector and the second quick connector. The design can facilitate the installation or the removal of the valve rod and the valve core.

In some embodiments, the valve rod further comprises a sealing assembly arranged between the first quick connector and the second quick connector, the sealing assembly comprises a sealing ring and a sealing plug, two ends of the sealing ring are respectively abutted with the first quick connector and the second quick connector, and the sealing plug is sleeved on the valve rod. The sealing performance between the first quick connector and the second quick connector can be ensured by arranging the sealing ring, and materials in the valve cylinder can be leaked between the valve rod and the first quick connector by arranging the sealing plug.

In some embodiments, the sealing assembly further comprises a mounting sleeve and a sealing cover, wherein through holes for the valve rods to penetrate are formed in the mounting sleeve and the sealing cover, the mounting sleeve is arranged in the sealing plug, the sealing cover is provided with the mounting sleeve, and the edge of the sealing cover is in pressure connection with the first quick connector and the second quick connector. Because valve rod and sealing plug are for sliding the setting, can lead to sealing plug leakproofness to descend after long-term use, pass through the installation cover with the sealing plug fixed with the closing cap, can reduce the volume of sealing plug, only need change small volume's sealing plug can when changing, be favorable to reduce cost.

In some embodiments, the motor is a stepper motor.

In some embodiments, the drive assembly further comprises a housing coupled to the valve cartridge, and the motor is mounted to the housing.

In some embodiments, the device further comprises a proximity switch, the proximity switch is arranged opposite to the swing rod, the detection direction of the proximity switch is perpendicular to the movement track of the swing rod, and the proximity switch is used for controlling whether the material is input into the feed inlet. Through setting up proximity switch, when case shutoff discharge gate, proximity switch control feed inlet stops the input material, can reduce the pressure in the valve section of thick bamboo, avoids discharge gate department to take place the seepage.

In some embodiments, one end of the valve cylinder near the discharge port is conical, and the valve core is in a truncated cone structure corresponding to the conical discharge port. Through setting up the conical surface cooperation, can make things convenient for the case to fix a position when cooperating with the discharge gate on the one hand, on the other hand also can increase the area of contact when the shutoff discharge gate of case, ensures the leakproofness.

Drawings

FIG. 1 is a schematic view of an electric leak-proof valve according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the electrically actuated leak-stop valve of FIG. 1 in an axial cut-away configuration along a valve stem;

fig. 3 is an enlarged schematic view of the structure at a shown in fig. 2.

In the figure: 100. an electric leak-stopping valve; 10. a valve body; 11. a valve cylinder; 111. a feed inlet; 112. a discharge port; 12. a valve stem; 121. a connecting rod; 122. a hinge joint; 13. a valve core; 14. a first quick connector; 15. a second quick connector; 16. a clamping piece; 20. a drive assembly; 21. a motor; 22. an eccentric wheel; 23. swing rod; 231. a joint head; 232. a pivot joint; 24. a base; 30. a seal assembly; 31. a seal ring; 32. a sealing plug; 33. a mounting sleeve; 34. a cover; 40. and a proximity switch.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When the number of one element is referred to as being "plural," it may be any number of two or more. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 3, an electric leakage stop valve 100 according to a preferred embodiment of the present utility model includes a valve body 10, the valve body 10 includes a valve barrel 11, a valve rod 12 and a valve core 13, the valve barrel 11 is of an internal hollow structure, a side surface of the valve barrel 11 is provided with a feed inlet 111, one end of the valve barrel 11 is provided with a discharge outlet 112, one end of the valve rod 12 extends into the valve barrel 11, the other end extends out of the valve barrel 11, the valve core 13 is connected with one end of the valve rod 12 extending into the valve barrel 11 for blocking the discharge outlet 112, and further includes a driving assembly 20, the driving assembly 20 includes a motor 21, an eccentric wheel 22 and a swing rod 23, the eccentric wheel 22 is fixedly connected with an output shaft of the motor 21, one end of the swing rod 23 is rotatably connected with the eccentric wheel 22, and the other end is hinged with one end of the valve rod 12 extending out of the valve barrel 11. The motor-driven leakage-stopping valve 100 drives the eccentric wheel 22 to rotate through the motor 21, and then drives the swing rod 23 to swing through the eccentric wheel 22, so as to drive the valve rod 12 to do linear reciprocating motion, thereby realizing that the valve core 13 controls the opening and closing of the discharge hole 112, having high transmission efficiency and being beneficial to reducing energy loss; the traditional leak-stopping valve driven by a cylinder needs to compress air by utilizing electric energy, then the cylinder is driven by adopting compressed gas, multi-stage energy conversion exists in the process, the energy loss is necessarily caused, the energy utilization rate is reduced, the energy consumption is increased, the electric leak-stopping valve 100 is directly driven by a motor 21, the energy utilization rate can be improved without energy multi-stage conversion, and the power required by the motor 21 for driving a valve rod 12 is definitely smaller than the power of the motor 21 for driving air compression, so that the electric leak-stopping valve 100 is more energy-saving; the voltage stability of the electric power supplied by the electric network is higher than the air pressure provided by a common air tank or an air compression station, so that the electric leakage-stopping valve 100 can be ensured without being provided with an additional voltage stabilizing device, and has simpler structure and lower cost compared with a pneumatic leakage-stopping valve.

As shown in fig. 1 and 2, the swing link 23 includes a joint 231 and a pivot 232, one end of the joint 231 rotatably connected to the deflection wheel is provided with a bearing, the other end is detachably connected to the pivot 232, and the other end of the pivot 232 is hinged to the valve rod 12. The swing rod 23 is arranged to be of a split type structure, on one hand, the pivot joint 232 belongs to a loss piece due to the functional characteristics of the swing rod, the pivot joint 232 and the joint 231 are detachably connected after being used for a period of time, only the pivot joint 232 can be replaced, and the piece replacement cost is reduced; on the other hand, the valve rod 12 can be conveniently assembled and disassembled, and the motor 21 is not required to be disassembled when the valve rod 12 is replaced or installed. In this embodiment, the joint 231 and the pivot 232 are detachably connected through threads, and in other embodiments, the joint 231 and the pivot 232 may be detachably connected through pins or screws.

As shown in fig. 2, corresponding to the swing link 23, the valve rod 12 includes a link 121 and a joint 122, one end of the link 121 is connected to the valve core 13, the other end is detachably connected to one end of the joint 122, and the other end of the joint 122 is hinged to the joint 232. The articulated head 122 is detachably connected with the connecting rod 121, so that the articulated head 122 can be independently replaced after being worn, the valve rod 12 is not required to be directly replaced integrally, and the replacement cost is reduced. In this embodiment, hinge 122 is detachably connected to link 121 by threads, and in other embodiments, the detachable connection may be achieved by pins or screws. Similarly, to facilitate replacement of the valve core 13, the valve core 13 is detachably connected to the connecting rod 121, in this embodiment, the valve core 13 is detachably connected to the connecting rod 121 through threads, and in other embodiments, the removable connection may be achieved by other conventional means, which are not limited herein.

As shown in fig. 1 and 3, in order to facilitate the disassembly or assembly of the valve rod 12 and the valve core 13, the valve body 10 further includes a first quick connector 14, a second quick connector 15, and a clamping member 16, wherein the first quick connector 14 is fixedly connected with one end of the valve cylinder 11 far away from the discharge port 112, the second quick connector 15 is in butt joint with the first quick connector 14, the clamping member 16 is connected with the first quick connector 14 and the second quick connector 15, and the first quick connector 14 and the second quick connector 15 can be connected or separated quickly through the connection of the clamping member 16; alternatively, the clip 16 is a single rivet clip.

As shown in fig. 2 and 3, in order to ensure the tightness of the connection between the first quick connector 14 and the second quick connector 15 and prevent leakage therefrom, the electric leakage stop valve 100 further comprises a sealing assembly 30 installed between the first quick connector 14 and the second quick connector 15, the sealing assembly 30 comprises a sealing ring 31 and a sealing plug 32, two ends of the sealing ring 31 are respectively abutted against the first quick connector 14 and the second quick connector 15, and the sealing plug 32 is sleeved on the valve rod 12. The sealing performance between the first quick connector 14 and the second quick connector 15 can be ensured by arranging the sealing ring 31, and the material in the valve cylinder 11 can leak from the valve rod 12 to the first quick connector 14 by arranging the sealing plug 32. Further, the sealing assembly 30 further comprises a mounting sleeve 33 and a sealing cover 34, through holes for the valve rod 12 to penetrate are formed in the mounting sleeve 33 and the sealing cover 34, the sealing plug 32 is arranged in the mounting sleeve 33, the sealing cover 34 covers the mounting sleeve 33, the edge of the sealing cover 34 is in pressure connection with the first quick connector 14 and the second quick connector 15, and in order to facilitate replacement of the sealing plug 32, the sealing cover 34 is connected with the mounting sleeve 33 through screws. Because the valve rod 12 and the sealing plug 32 are in sliding arrangement, the sealing performance of the sealing plug 32 can be reduced after long-term use, the sealing plug 32 is fixed with the sealing cover 34 through the mounting sleeve 33, the volume of the sealing plug 32 can be reduced, and only the sealing plug 32 with small volume needs to be replaced during replacement, thereby being beneficial to reducing the cost. Of course, in other embodiments, a bulky sealing plug 32 may be used such that the rim of the sealing plug 32 is compressed between the first and second quick connectors 14, 15 to secure the sealing plug 32. Preferably, the sealing plug 32 is a Y-shaped sealing plug 32.

Preferably, as shown in fig. 2, one end of the valve cylinder 11 near the discharge port 112 is conical, and the valve core 13 has a truncated cone structure corresponding to the conical discharge port 112. Through setting up the conical surface cooperation, can make things convenient for the case 13 to fix a position when the cooperation of discharge gate 112 on the one hand, on the other hand also can increase the area of contact when the shutoff of case 13 discharge gate 112, ensures the leakproofness.

In an embodiment, the electric leakage stop valve 100 further includes a proximity switch 40, the proximity switch 40 is disposed opposite to the swing rod 23, and the detection direction of the proximity switch 40 is perpendicular to the movement track of the swing rod 23, and the proximity switch 40 is used for controlling whether the material is input into the feed inlet 111. By arranging the proximity switch 40, when the valve core 13 blocks the discharge hole 112, the proximity switch 40 controls the feed hole 111 to stop inputting materials so as to reduce the pressure in the valve barrel 11 and avoid leakage at the discharge hole 112. The proximity switch 40 operates on the principle that: when the proximity switch 40 detects that the swing rod 23 is blocked, namely, the electric leakage stop valve 100 is in a filling state, the proximity switch 40 transmits related information to the controller, and the controller controls the feeding end to continuously input materials into the feeding port 111; when the proximity switch 40 detects that the swing rod 23 is not blocked, namely, the electric leakage stop valve 100 is in a closed state, the proximity switch 40 transmits related information to the controller, and then the controller controls the feeding end to stop feeding to the feeding port 111.

Preferably, the motor 21 is a stepper motor 21, which is economical and accurate.

To facilitate the fixing of the motor 21, the drive assembly 20 further comprises a housing 24, the housing 24 being connected to the valve cartridge 11, the motor 21 being mounted on the housing 24.

The electric leakage-stopping valve 100 directly drives the valve rod 12 to drive the valve core 13 to move in the valve cylinder 11 through the motor 21, so that the electric leakage-stopping valve 100 is opened and closed, the transmission efficiency is high, the transmission is stable, the filling precision of the leakage-stopping valve is improved, and compared with a traditional pneumatic leakage-stopping valve, the electric leakage-stopping valve has lower energy consumption and saves more worry and money for users.

Finally, it should be noted that the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the foregoing embodiments, but may be modified or substituted for some of the features described in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an electronic leak-stopping valve (100), includes valve body (10), valve body (10) include valve section of thick bamboo (11), valve rod (12) and case (13), valve section of thick bamboo (11) are inside hollow structure, valve section of thick bamboo (11) side is equipped with feed inlet (111), valve section of thick bamboo (11) one end is equipped with discharge gate (112), valve rod (12) one end stretches into in valve section of thick bamboo (11), the other end stretches out valve section of thick bamboo (11), case (13) are connected with valve rod (12) one end of stretching into valve section of thick bamboo (11) for shutoff discharge gate (112), characterized in that still includes drive assembly (20);

The driving assembly (20) comprises a motor (21), an eccentric wheel (22) and a swinging rod (23), wherein the eccentric wheel (22) is fixedly connected with an output shaft of the motor (21), one end of the swinging rod (23) is rotatably connected with the eccentric wheel (22), and the other end of the swinging rod is hinged with one end of the valve rod (12) extending out of the valve barrel (11).

2. The electric leakage stop valve (100) according to claim 1, wherein the swing rod (23) comprises a joint head (231) and a pivot joint (232), one end of the joint head (231) rotationally connected with the deflection wheel is provided with a bearing, the other end of the joint head is detachably connected with the pivot joint (232), and the other end of the pivot joint (232) is hinged with the valve rod (12).

3. The electric leakage stop valve (100) according to claim 2, wherein the valve rod (12) comprises a connecting rod (121) and a hinge head (122), one end of the connecting rod (121) is connected with the valve core (13), the other end is detachably connected with one end of the hinge head (122), and the other end of the hinge head (122) is hinged with the hinge head (232).

4. The electric leakage stop valve (100) according to claim 1, wherein the valve body (10) further comprises a first quick connector (14), a second quick connector (15) and a clamping piece (16), the first quick connector (14) is fixedly connected with one end, far away from the discharge port (112), of the valve cylinder (11), the second quick connector (15) is in butt joint with the first quick connector (14), and the clamping piece (16) is connected with the first quick connector (14) and the second quick connector (15).

5. The electric leakage stop valve (100) according to claim 4, further comprising a sealing assembly (30) mounted between the first quick connector (14) and the second quick connector (15), wherein the sealing assembly (30) comprises a sealing ring (31) and a sealing plug (32), two ends of the sealing ring (31) are respectively abutted with the first quick connector (14) and the second quick connector (15), and the sealing plug (32) is sleeved on the valve rod (12).

6. The electric leakage stop valve (100) according to claim 5, wherein the sealing assembly (30) further comprises a mounting sleeve (33) and a sealing cover (34), through holes for the valve rod (12) to penetrate are formed in the mounting sleeve (33) and the sealing cover (34), the sealing plug (32) is arranged in the mounting sleeve (33), the sealing cover (34) covers the mounting sleeve (33), and the edge of the sealing cover (34) is in pressure connection with the first quick connector (14) and the second quick connector (15).

7. The electric leakage stop valve (100) according to claim 1, wherein the motor (21) is a stepper motor (21).

8. The electric leakage stop valve (100) according to claim 1, wherein the drive assembly (20) further comprises a housing (24), the housing (24) being connected to the valve cartridge (11), the motor (21) being mounted on the housing (24).

9. The electric leakage stop valve (100) according to claim 1, further comprising a proximity switch (40), wherein the proximity switch (40) is arranged opposite to the swing rod (23), the detection direction of the proximity switch (40) is perpendicular to the movement track of the swing rod (23), and the proximity switch (40) is used for controlling whether the material is input into the feed inlet (111).

10. The electric leakage stop valve (100) according to claim 1, wherein one end of the valve cylinder (11) close to the discharge port (112) is conical, and the valve core (13) has a truncated cone structure corresponding to the conical discharge port (112).