Through ball type seven-way change-over valve

Abstract

The utility model provides a through ball type seven-way change-over valve, which belongs to the technical field of change-over valves and comprises a valve shell, a plurality of groups of valve outlets arranged on the peripheral side of the valve shell, a top plate arranged at the top of the valve shell, a transmission component arranged at the top of the top plate, a bottom plate arranged at the bottom of the valve shell and a valve inlet arranged at the bottom of the bottom plate. A valve element is arranged in the valve shell, one end of the transmission assembly penetrates through the top plate to be arranged in the valve element, a valve element channel is formed in the valve element, it is ensured that an external line sweeping ball smoothly passes through the valve element channel, it is ensured that residual liquid in the device is swept, a user can drive the valve element to rotate through the transmission assembly, one-in-multiple-out can be achieved, and different conveying requirements are met; accurate butt joint of the valve element, the valve outlet and the valve inlet is ensured, and the top plate and the bottom plate are arranged, so that a user can maintain the device without dismantling the valve body.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of change-over valve, more specifically, it relates to a ball-passing type seven-way change-over valve. BACKGROUND

[0002] In the industrial scene of liquid delivery, as the key component of controlling fluid flow direction and on-off, the performance of valve directly affects production efficiency, product quality and system stability, but the existing ball-passing type three-way change-over valve mostly adopts spherical valve core, the channel in the middle of the valve core is formed by machining, the trajectory is non-circular arc type, which leads to the fact that the sweep ball cannot pass through smoothly, at the same time, the channel formed by casting can make the sweep ball pass through, but the surface is rough, the cleaning effect is poor, and the liquid residual amount is large, the existing change-over valve is mostly driven by air cylinder to realize the rotation of valve core to switch position and fix, and the number of channels is less, in addition, the angle of the channel of the existing change-over valve core and shell is difficult to accurately align, even if it can be aligned when newly installed, after a period of use, misalignment phenomenon is prone to occur, when maintaining and replacing the sealing element, the existing three-way change-over valve needs to disassemble the whole valve, in the case of multiple valve combination application, the production efficiency and maintenance cost are affected. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a ball-passing type seven-way change-over valve to solve the technical problems of poor cleaning effect, fixed rotation structure, poor connection precision and inconvenient disassembly of the existing device in the prior art.

[0004] The purpose and effect of the ball-passing type seven-way change-over valve of the utility model are achieved by the following specific technical means:

[0005] The ball-passing type seven-way change-over valve comprises a valve shell, a plurality of valve outlets are arranged on the periphery of the valve shell, a top plate is arranged on the top of the valve shell, a transmission assembly is arranged on the top of the top plate, a bottom plate is arranged on the bottom of the valve shell, a valve inlet is arranged on the bottom of the bottom plate, a valve core is arranged in the valve shell, one end of the transmission assembly is arranged in the valve core through the top plate, and a valve core channel is formed in the valve core.

[0006] According to one preferred mode, the transmission assembly comprises a motor, the motor is arranged above the top plate, and a support is arranged below the motor.

[0007] According to one preferred mode, the support is connected with the motor through a speed reducer, and the shaft end of the motor is arranged in the speed reducer.

[0008] According to one preferred mode, the reducer shaft end is arranged in the valve core through the bracket and the top plate, the reducer is detachably connected with the motor and the bracket, and the bracket bottom is detachably connected with the top plate.

[0009] According to one preferred mode, the valve core is connected by welding, and the valve inlet is connected with one group of the valve outlets through the valve core channel.

[0010] According to one preferred mode, the valve core channel is provided with a second outlet and a second inlet at both ends respectively, the second outlet is arranged on one side of the valve core, and the second inlet is arranged at the bottom of the valve core.

[0011] According to one preferred mode, the second outlet is in sealing connection with one group of the valve outlets, the second inlet is in sealing connection with the valve inlet, the valve core channel is in circular arc structure, and the diameter of the valve core channel is 4D.

[0012] According to one preferred mode, a plurality of groups of the valve outlets are detachably connected with the valve shell, the top plate and the bottom plate are detachably connected with the valve shell, and the valve inlet is detachably connected with the bottom plate.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] 1、The utility model discloses a valve core channel is arranged, so that the user can ensure the smooth passing of the wire sweeping ball through the circular arc structure of the valve core channel, and then clean the residual liquid in the valve core channel, reduce the problem caused by the residual liquid, and improve the reliability of the device in liquid delivery.

[0015] 2、When using the device, the user can drive the valve core to rotate through the motor, so that the user can switch the valve core between a plurality of valve outlets, so that the device can realize one-in and multiple-out, meet the liquid delivery demand in different scenes, and improve the adaptability of the device in actual application.

[0016] 3、Through the arrangement of the reducer, the device can accurately adjust the rotation of the valve core, ensure the accurate butt joint of the valve core and the valve outlet and the valve inlet, reduce the misplacement phenomenon, and after the device is assembled, can keep alignment for a long time, reduce the maintenance operation of the user, and improve the stability of the device.

[0017] 4、Through the arrangement of the top plate and the bottom plate, the device is a detachable structure, so that the user can maintain and replace the device without disassembling the valve body when the valve fails or the sealing element is replaced, shorten the downtime of the equipment, reduce the maintenance cost of the user, and improve the practicability of the device. Attached Figure Description

[0018] Fig. 1 This is a front view structural schematic diagram of this utility model;

[0019] Fig. 2 This is a schematic cross-sectional view of the present invention;

[0020] Fig. 3 This is a bottom view of the structure of this utility model.

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0022] 11. Valve housing; 12. Valve outlet; 13. Top plate; 14. Bottom plate; 15. Valve inlet; 16. Valve core; 17. Valve core passage; 21. Motor; 22. Bracket; 23. Reducer; 101. Second outlet; 102. Second inlet. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model.

[0024] Example:

[0025] like Figs. 1 to 3 As shown, this utility model provides a ball-type seven-way switching valve, including a valve housing 11. The valve housing 11 provides space for internal components, allowing users to install components reasonably and improving the structural stability of the device. A top plate 13 is provided on the top of the valve housing 11, and a bottom plate 14 is provided on the bottom of the valve housing 11. The top plate 13 and the bottom plate 14 ensure that the internal components of the device can be detached. This structure allows users to access the internal components by removing the top plate 13 or the bottom plate 14 when maintaining the device, improving the maintainability of the device.

[0026] The bottom plate 14 is provided with a valve inlet 15 at the bottom, which can provide a channel for liquid input, so that the user can conveniently connect the device to the external delivery system, and improve the convenience of connecting with the pipeline. The valve housing 11 is provided with a plurality of valve outlets 12 on the side, which can increase the output path of the liquid in the device, so that the user can select to deliver the liquid to different equipment according to the actual demand, and improve the flexibility of liquid distribution of the device. The valve housing 11 is provided with a valve core 16, which is connected by welding, which can enhance the stability of the structure of the valve core 16, so that the valve core 16 can maintain the integrity of the overall structure, reduce the risk of liquid leakage, and improve the sealing and reliability of the device. The valve core 16 is provided with a valve core channel 17, which is a circular arc structure, and the diameter of the valve core channel 17 is 4D. Through this structure, the device can ensure the passage of the external wire sweeping ball, and the user can use the wire sweeping ball to clean the residual liquid, improving the internal cleaning ability of the device.

[0027] The valve inlet 15 is connected to one of the valve outlets 12 through the valve core channel 17. The plurality of valve outlets 12 are perpendicular to the valve inlet 15. Through this structure, a regular and efficient fluid passage layout can be formed, so that the user can clearly determine the flow direction and distribution of the liquid, conveniently plan and control the liquid delivery path, and improve the rationality and operability of the pipeline layout of the device. The user can change the communication state of the valve core channel 17 and different valve outlets 12 by rotating the valve core 16, so that the device can realize switching selection of different outlets, improve the flexibility of the device, and improve the user's ability to control the liquid delivery path.

[0028] The valve core channel 17 is provided with a second outlet 101 and a second inlet 102 at both ends, respectively. The second outlet 101 is arranged on one side of the valve core 16, and the second inlet 102 is arranged at the bottom of the valve core 16. The second outlet 101 is sealingly connected to one of the valve outlets 12, and the second inlet 102 is sealingly connected to the valve inlet 15. Through this structure, a liquid flow path can be constructed, so that the user can ensure that the liquid flows in the valve core 16 according to the predetermined route, improve the accuracy and sealing of the liquid delivery of the device, and improve the adaptability of the device. The user can control the communication direction of the valve core channel 17 by rotating the valve core 16, so that the device can realize liquid switching between different pipelines, improve the adaptability of the device, and improve the user's ability to control the liquid delivery path switching.

[0029] The plurality of valve outlets 12 are detachably connected to the valve housing 11, and the valve inlet 15 is detachably connected to the bottom plate 14. Through this structure, the user can conveniently maintain or disassemble the valve outlet 12 and the valve inlet 15, improve the maintainability, adaptability and universality of the device, ensure that the valve inlets and outlets are in good condition, improve the maintenance efficiency, and reduce the user's maintenance burden.

[0030] The top plate 13 is provided with a transmission assembly at the top, one end of the transmission assembly is arranged in the valve core 16 through the top plate 13, and the transmission assembly can provide a power transmission path for the rotation of the valve core 16. This allows the user to drive the valve core 16 by means of the transmission assembly to realize the switching of different passages of the valve, thereby improving the operation convenience of the device. The transmission assembly includes a motor 21 arranged above the top plate 13. A support 22 is arranged below the motor 21. The user can drive the valve core 16 to rotate by controlling the operation of the motor 21, so that the device can change the liquid passage according to the user's demand, thereby improving the flexibility of the device and the user's control ability of the liquid flow direction.

[0031] The support 22 is connected with the motor 21 through a speed reducer 23. The shaft end of the motor 21 is arranged in the speed reducer 23. The shaft end of the speed reducer 23 is arranged in the valve core 16 through the support 22 and the top plate 13. Through this structure, the speed reducer 23 can adjust the rotation speed and torque output by the motor 21, so that the rotation of the valve core 16 is more accurate and stable. The user can accurately control the rotation angle of the valve core 16 by using the speed reducer 23, so that the device can realize accurate communication between different valve outlets 12 and valve inlets 15, thereby improving the accuracy of the device when switching the liquid passage and improving the user's accurate adjustment ability of the liquid conveying path. The speed reducer 23 is detachably connected with the motor 21 and the support 22. The bottom of the support 22 is detachably connected with the top plate 13. Through this structure, the user can conveniently maintain or replace the motor 21, the speed reducer 23 or the support 22, so that the maintenance of the device is more convenient, and the maintainability of the device is improved.

[0032] The specific use and effect of the embodiment are as follows:

[0033] In practical application, first, the valve inlet 15 of the ball-through seven-way conversion valve is connected with the external liquid conveying pipeline, the device is connected to the external conveying system through the valve inlet 15, when the liquid needs to be conveyed, the user starts the motor 21, the motor 21 is connected with the speed reducer 23 through the support 22, the speed reducer 23 adjusts the rotating speed and torque output by the motor 21, controls the rotating angle of the valve core 16, the valve core 16 is connected with the transmission assembly, the valve core 16 rotates under the driving of the motor 21, changes the communication state of the valve core channel 17 and different valve outlets 12, realizes the switching selection of different outlets, so as to change the liquid passage according to the user's demand, convey the liquid to different equipment, meet the diversified liquid distribution demand in actual production, in the liquid conveying process, the valve core 16 adopts the welding connection, enhances the structural stability, maintains the overall structural integrity, effectively reduces the risk of liquid leakage, ensures the sealing and reliability of the device. The valve core channel 17 is of circular arc structure and the diameter is 4D, which can ensure that the wire sweeping ball passes through smoothly, when one kind of liquid conveying is completed and the pipeline needs to be cleaned, the user can push the wire sweeping ball through the valve core channel 17 to clean the residual liquid and improve the internal cleaning capacity of the device, if the device fails during use, through the detachable structure of the device, the user can conveniently disassemble the corresponding parts for maintenance or replacement, improve the maintainability of the device, ensure that each inlet and outlet of the valve remains in good condition, and maintain long-term stable operation of the device.

[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments.

Claims

1. A ball plug seven-way selector valve characterized by: The utility model provides a valve, including valve shell (11), a plurality of groups of valve outlet (12) are arranged on the periphery of valve shell (11), top plate (13) is arranged on the top of valve shell (11), drive assembly is arranged on the top of top plate (13), bottom plate (14) is arranged on the bottom of valve shell (11), valve inlet (15) is arranged on the bottom of bottom plate (14), valve core (16) is arranged in valve shell (11), one end of drive assembly is arranged in valve core (16) through top plate (13), valve core channel (17) is formed in valve core (16).

2. The through ball seven-way selector valve according to claim 1, characterized in that: The utility model discloses a valve, including valve shell (11), a plurality of groups of valve outlet (12) are arranged on the periphery of valve shell (11), top plate (13) is arranged on the top of valve shell (11), drive assembly is arranged on the top of top plate (13), bottom plate (14) is arranged on the bottom of valve shell (11), valve inlet (15) is arranged on the bottom of bottom plate (14), valve core (16) is arranged in valve shell (11), one end of drive assembly is arranged in valve core (16) through top plate (13), valve core channel (17) is formed in valve core (16).

3. The through ball seven-way selector valve according to claim 2, characterized in that: The utility model discloses a valve, including valve shell (11), a plurality of groups of valve outlet (12) are arranged on the periphery of valve shell (11), top plate (13) is arranged on the top of valve shell (11), drive assembly is arranged on the top of top plate (13), bottom plate (14) is arranged on the bottom of valve shell (11), valve inlet (15) is arranged on the bottom of bottom plate (14), valve core (16) is arranged in valve shell (11), one end of drive assembly is arranged in valve core (16) through top plate (13), valve core channel (17) is formed in valve core (16).

4. The through ball seven-way selector valve according to claim 3, characterized in that: The utility model discloses a valve, including valve shell (11), a plurality of groups of valve outlet (12) are arranged on the periphery of valve shell (11), top plate (13) is arranged on the top of valve shell (11), drive assembly is arranged on the top of top plate (13), bottom plate (14) is arranged on the bottom of valve shell (11), valve inlet (15) is arranged on the bottom of bottom plate (14), valve core (16) is arranged in valve shell (11), one end of drive assembly is arranged in valve core (16) through top plate (13), valve core channel (17) is formed in valve core (16).

5. The through ball seven-way conversion valve according to claim 1, wherein: The utility model discloses a valve, including valve shell (11), a plurality of groups of valve outlet (12) are arranged on the periphery of valve shell (11), top plate (13) is arranged on the top of valve shell (11), drive assembly is arranged on the top of top plate (13), bottom plate (14) is arranged on the bottom of valve shell (11), valve inlet (15) is arranged on the bottom of bottom plate (14), valve core (16) is arranged in valve shell (11), one end of drive assembly is arranged in valve core (16) through top plate (13), valve core channel (17) is formed in valve core (16).

6. The through ball seven-way conversion valve according to claim 5, wherein: The utility model discloses a valve, including valve shell (11), a plurality of groups of valve outlet (12) are arranged on the periphery of valve shell (11), top plate (13) is arranged on the top of valve shell (11), drive assembly is arranged on the top of top plate (13), bottom plate (14) is arranged on the bottom of valve shell (11), valve inlet (15) is arranged on the bottom of bottom plate (14), valve core (16) is arranged in valve shell (11), one end of drive assembly is arranged in valve core (16) through top plate (13), valve core channel (17) is formed in valve core (16).

7. The through ball seven-way selector valve according to claim 6, characterized in that: ​ 8. The through ball seven-way conversion valve according to claim 1, wherein: ​

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