Electric valve capable of reducing abrasion of valve element

Abstract

The utility model relates to the technical field of electric valves, in particular to an electric valve capable of reducing abrasion of a valve element, which comprises a structural valve body, an electric control base is mounted at the top of the outer wall of the structural valve body through welding, an assembly top cover is fixedly mounted at the top end of the electric control base, and an electric component is arranged above the top of the assembly top cover. A liquid inlet end and a liquid outlet end are installed in the centers of the two sides of the structural valve body correspondingly, a water filtering assembly is arranged on the outer side of the liquid inlet end, and a valve element assembly is arranged in the center of the interior of the structural valve body and connected with an electric assembly. The electric valve capable of reducing the valve element abrasion is simple in overall structure, the abrasion of the valve element can be effectively reduced by reducing the influence of external impurities and improving the abrasion resistance of the valve element, and therefore the service life of the valve element is prolonged; and meanwhile, the angle of the valve element is convenient to adjust, rotation is stable, good cooling and buffering effects on the valve element adjusting motor can be achieved, and the working stability of the electric valve is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric valves, in particular to an electric valve capable of reducing valve core wear. Background Art

[0002] Electric valves are important actuators in industrial control systems; they can achieve on / off control of fluids. In industrial production, electric ball valves are commonly used to control the flow and pressure of fluid media such as hydraulics, pneumatics, water, and oil, ensuring the safety and stability of the production process and meeting the needs of different production processes.

[0003] In the prior art, publication number CN211574370U discloses an electric ball valve. To address the problems of inconvenience in controlling the flow rate of liquid and impurities in the liquid easily causing blockage, a solution is proposed, comprising an electric ball valve body, with an inlet pipe and an outlet pipe respectively sealed and fixedly connected on both sides of the electric ball valve body, an adjustment seat fixedly connected to the top of the electric ball valve body, a fixed chamber provided on the adjustment seat, and a support plate fixedly connected to one inner wall of the fixed chamber;

[0004] The electric valve in the prior art has a single function; it is inconvenient to clean impurities during use; and the valve core has poor stability when adjusting the angle, which easily causes valve core wear, thereby affecting the normal use of the electric valve; therefore, to address the above problems, an electric valve is proposed that reduces valve core wear. Utility Model Content

[0005] The problem that the utility model solves is to provide an electric valve that reduces valve core wear. The overall structure is simple, and the wear of the valve core can be effectively reduced by reducing the influence of external impurities and improving the wear resistance of the valve core, thereby extending the service life of the valve core. At the same time, the valve core angle is easy to adjust and the rotation is smooth, which can have a good cooling and buffering effect on the valve core adjustment motor, effectively improving the working stability of the electric valve.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] An electric valve for reducing valve core wear comprises a structural valve body, an electric control base is mounted on the top of the outer wall of the structural valve body by welding, an assembly top cover is fixedly mounted on the top of the electric control base, an electric assembly is arranged above the top of the assembly top cover, a liquid inlet and a liquid outlet are respectively mounted in the center of two sides of the structural valve body, a water filter assembly is arranged outside the liquid inlet, a valve core assembly is arranged in the center of the interior of the structural valve body, and the valve core assembly is connected to the electric assembly;

[0008] The electric assembly includes a drive chassis, which is installed on the top of the assembly top cover by welding. A drive motor is fixedly installed on one side of the interior of the drive chassis, and a drive shaft, a gearbox and a valve core shaft are sequentially connected and installed on the bottom side of the drive motor. A rotating shaft sleeve is installed on the outer side of the valve core shaft, and the rotating shaft sleeve and the valve core shaft pass through the assembly top cover, the electric control base, and are connected to the interior of the structural valve body. A fixed box cover is fixedly installed on the top of the drive chassis by bolts, and an electric control board is fixedly installed on the top of the fixed box cover. Ventilation plates are installed on both side end faces of the fixed box cover, and a cooling fan is fixedly installed on the inner side of the ventilation plate. Two wiring terminals are plugged into one end of the fixed box cover.

[0009] Furthermore, two buffer brackets are fixedly installed on the center of the inner wall of the drive chassis by welding, and the bottom end face of the drive motor is fixedly connected to the top end faces of the two buffer brackets; by setting the buffer brackets, the shaking generated when the drive motor is working is reduced, and the structural stability is improved.

[0010] Furthermore, a drive shaft is fixedly installed at the bottom end of the motor shaft of the drive motor, the gearbox is fixedly installed at the center of the bottom side of the inner wall of the drive chassis, and the drive shaft is fixedly connected to one end of the power input shaft of the gearbox, and one end of the power output shaft of the gearbox is fixedly connected to the valve core shaft; it is convenient for power transmission and effectively realizes the speed adjustment of the valve core shaft.

[0011] Furthermore, the water filtration assembly includes a filter cartridge, which is arranged on the outside of the liquid inlet end, and the first clean water pipe and the second clean water pipe are respectively plugged and installed in the center of the end faces on both sides of the filter cartridge, and the second clean water pipe is fixedly connected to the liquid inlet end through a connecting flange, and the inner wall of the filter cartridge is fixedly installed with a filter end cover near the end face of the second clean water pipe, and the outer side of the filter end cover is fixedly installed with a filter cage by screws, and the bottom of the outer wall of the filter cartridge is plugged and installed with a sedimentation tube, and the outer bottom of the sedimentation tube is installed with a locking base through a threaded connection, and the inner center of the locking base is fixedly installed with an electrostatic dust removal rod, and the top of the electrostatic dust removal rod passes through the sedimentation tube and is located on the bottom side of the filter cage.

[0012] Furthermore, the valve core assembly includes a structural valve cavity, which is opened in the inner center of the structural valve body, and the structural valve cavity is a spherical groove structure. The structural valve cavity is connected with the liquid inlet end and the liquid outlet end. The inner wall of the structural valve cavity is fit-fitted with a wear-resistant liner, and a sealing plug is fixedly installed in the center of the top end face of the wear-resistant liner, and the bottom end face of the rotating sleeve is fit-fitted with the top end face of the sealing plug. A spherical valve core is provided in the inner center of the wear-resistant liner, and the spherical valve core is a hemispherical structure. A rotating top seat is fixedly installed in the top center of the spherical valve core, and the bottom end of the valve core shaft is fixedly connected to the top end face of the rotating top seat through the sealing plug, a limiting protrusion is fixedly installed in the center of one end of the inner wall of the wear-resistant liner, and the outer wall of one side end face of the spherical valve core is fit-fitted with the outer wall of the limiting protrusion.

[0013] Furthermore, two positioning screw holes are provided at both ends of the top of the electric control base, and two locking screws are respectively installed at both ends of the assembly top cover, and the bottom of the locking screw passes through the assembly top cover and is fixedly connected with the positioning screw holes through threads; it is convenient to connect and fix the assembly top cover to the electric control base, and it is easy to install and disassemble, and the fixed assembly is firm, which effectively improves the convenience of use.

[0014] Furthermore, buffer seats are fixedly installed in the center of the inner walls of the two side end faces of the structural valve body, and the inner ends of the liquid inlet end and the liquid outlet end are respectively fitted and connected to the end faces of the two buffer seats; the connection sealing effect between the liquid inlet end and the liquid outlet end and the structural valve body is effectively improved, and a good buffering effect is achieved.

[0015] The beneficial effects of the present invention are as follows: the electric valve for reducing valve core wear has a simple overall structure and diverse functions; when in use, the water filter assembly is set to have a good filtering and impurity removal effect on the water source, effectively reducing the contact between impurities and the filter element, and reducing the influence of external impurities on the ball valve core; and the filter element assembly is set to make the ball valve core and the wear-resistant liner rotate and fit together, thereby avoiding the contact between the ball valve core and the inner wall of the structural valve cavity, which can improve the wear resistance of the valve core, effectively reduce the wear of the valve core, and thus extend the service life of the valve core; at the same time, by setting the electric assembly, it is convenient to adjust the rotation angle of the spherical valve core, the valve core angle adjustment is convenient, the rotation is smooth, and it can have a good cooling and buffering effect on the valve core adjustment motor, effectively improving the working stability of the electric valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the first overall structure of the utility model;

[0017] Figure 2 This is a second overall structural diagram of the present utility model;

[0018] Figure 3 This is the overall front view of the utility model;

[0019] Figure 4 for Figure 3 Schematic cross-sectional view of AA in the figure;

[0020] Figure 5 for Figure 3 Schematic cross-sectional view of the middle BB;

[0021] Figure 6 This is an overall top view of the utility model;

[0022] Figure 7 for Figure 6 Schematic cross-sectional view of CC.

[0023] Legend:

[0024] 1. Structural valve body; 2. Electric control base; 3. Assembly top cover; 4. Electric assembly; 5. Liquid inlet end; 6. Water filter assembly; 7. Valve core assembly; 8. Liquid outlet end; 9. Buffer seat; 41. Drive chassis; 42. Drive motor; 43. Drive shaft; 44. Gearbox; 45. Rotating sleeve; 46. Valve core shaft; 47. Fixed box cover; 48. Electric control board; 49. Cooling fan; 410. Ventilation plate; 411. Terminal block; 61. Filter cartridge; 62. Second clean water pipe; 63. Filter end cover; 64. Filter cage; 65. Sedimentation pipe; 66. Locking base; 67. Electrostatic dust removal rod; 68. First clean water pipe; 71. Structural valve chamber; 72. Wear-resistant liner; 73. Sealing plug; 74. Rotating top seat; 75. Spherical valve core; 76. Limiting bump. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Specific examples are given below.

[0027] See also Figures 1 to 7 , an electric valve with reduced valve core wear, comprising:

[0028] The structural valve body 1 has an electric control base 2 installed on the top of the outer wall of the structural valve body 1 by welding, and an assembly top cover 3 is fixedly installed on the top of the electric control base 2. The arrangement of the electric control base 2 and the assembly top cover 3 facilitates the installation and support of the drive chassis 41, thereby improving the convenience of installation and disassembly; an electric component 4 is arranged above the top of the assembly top cover 3, which facilitates electric control adjustment through the electric component 4; a liquid inlet end 5 and a liquid outlet end 8 are respectively installed in the center of both sides of the structural valve body 1, which are convenient for liquid inlet and liquid discharge; a water filter component 6 is arranged on the outside of the liquid inlet end 5, which is convenient for filtering the liquid flowing through the liquid inlet end 5 through the water filter component 6, thereby effectively preventing impurities from entering the interior of the structural valve body 1 and causing wear of the valve core; a valve core component 7 is arranged in the center of the interior of the structural valve body 1, and the valve core component 7 is connected to the electric component 4, which is convenient for adjusting the spherical valve core 75, thereby realizing the opening and closing of the electric valve;

[0029] The driving chassis 41, the electric component 4 includes a driving chassis 41, the driving chassis 41 is installed on the top of the assembly top cover 3 by welding, the driving motor 42 is fixedly installed on one side of the interior of the driving chassis 41, and the driving shaft 43, the gearbox 44 and the valve core rotating shaft 46 are connected and installed in sequence on the bottom side of the driving motor 42, the bottom end of the motor shaft of the driving motor 42 is fixedly installed with the driving shaft 43, the gearbox 44 is fixedly installed in the center of the bottom side of the inner wall of the driving chassis 41, and the driving shaft 43 is fixedly connected to one end of the power input shaft of the gearbox 44, and one end of the power output shaft of the gearbox 44 is fixedly connected to the valve core rotating shaft 46; it is convenient for power transmission and effectively realizes the speed adjustment of the valve core rotating shaft 46; the outer side of the valve core rotating shaft 46 is sleeved with a rotating shaft sleeve 45, and the rotating shaft sleeve 45 and the valve core rotating shaft 46 pass through the assembly top cover 3, the electric control base 2, and are connected to the interior of the structural valve body 1, and the top of the driving chassis 41 is fixed with a fixed box cover 47 by bolts. , and an electric control board 48 is fixedly installed on the top of the fixed box cover 47, and ventilation plates 410 are installed on both side end surfaces of the fixed box cover 47, and a cooling fan 49 is fixedly installed on the inner side of the ventilation plate 410. One end of the fixed box cover 47 is plugged with two wiring terminals 411. When in use, it is convenient to connect electricity to the outside through the wiring terminals 411, so that the electric control board 48 on the top of the fixed box cover 47 can be electrically controlled; when the cooling fan 49 inside the ventilation plate 410 is working, it can facilitate cooling and air circulation inside the drive chassis 41, thereby reducing the temperature increase inside the drive chassis 41 caused by the operation of the drive motor 42; when the valve of the electric valve needs to be opened or closed, the drive motor 42 is operated, and the drive shaft 43 is driven to rotate by the motor shaft. After the gearbox 44 is adjusted by the power input shaft, the power is transmitted to the valve core shaft 46 through the power output shaft, so that the valve core shaft 46 rotates in the center of the rotating shaft sleeve 45, which is convenient for driving the spherical valve core 75 to rotate.

[0030] Two buffer brackets are fixedly installed on the center of the inner wall of the driving chassis 41 by welding, and the bottom end face of the driving motor 42 is fixedly connected to the top end faces of the two buffer brackets; by setting the buffer brackets, the shaking generated when the driving motor 42 is working is reduced, and the structural stability is improved.

[0031] The water filter assembly 6 includes a filter cartridge 61, which is arranged on the outside of the liquid inlet end 5. The first clean water pipe 68 and the second clean water pipe 62 are respectively installed in the center of the end faces on both sides of the filter cartridge 61, and the second clean water pipe 62 is fixedly connected to the liquid inlet end 5 through a connecting flange. A filter end cover 63 is fixedly installed on the inner wall of the filter cartridge 61 near the end face of the second clean water pipe 62, and a filter cage 64 is fixedly installed on the outside of the filter end cover 63 by screws. A sedimentation pipe 65 is installed on the bottom of the outer wall of the filter cartridge 61, and a locking base 66 is installed on the outer bottom of the sedimentation pipe 65 by threaded connection. An electrostatic dust removal rod 67 is fixedly installed in the center of the inner part of the locking base 66, and the top of the electrostatic dust removal rod 67 passes through the sedimentation pipe 65 and is located in the The bottom side of the filter cage 64; when the external water flows into the interior of the filter cartridge 61 through the first clean water pipe 68, the filter cage 64 on the outside of the filter end cover 63 can filter and purify the water flow, and the water flows into the liquid inlet end 5 through the second clean water pipe 62, and enters the interior of the structural valve body 1 through the liquid inlet end 5; at the same time, after the electrostatic dust removal rod 67 on the end face of the locking base 66 is energized, it can electrostatically adsorb the interior of the filter cartridge 61, so that impurities blocked on the outside of the filter cage 64 are adsorbed to the outside of the electrostatic dust removal rod 67, avoiding impurities adhering to the outside of the filter cage 64 and affecting the filtering effect of the filter cage 64. After use, the locking base 66 can be removed from the outside of the sedimentation tube 65 to facilitate cleaning of the electrostatic dust removal rod 67 and facilitate subsequent use.

[0032] The valve core assembly 7 includes a structural valve cavity 71, which is opened in the center of the interior of the structural valve body 1 and is a spherical groove structure. The structural valve cavity 71 is connected to the liquid inlet end 5 and the liquid outlet end 8. The inner wall of the structural valve cavity 71 is fitted with a wear-resistant liner 72, and a sealing plug 73 is fixedly installed in the center of the top end face of the wear-resistant liner 72. The bottom end face of the rotating shaft sleeve 45 is fitted and connected with the top end face of the sealing plug 73. The inner center of the wear-resistant liner 72 is fixed with a sealing plug 73. The center is provided with a spherical valve core 75, and the spherical valve core 75 is a hemispherical structure. A rotating top seat 74 is fixedly installed in the center of the top of the spherical valve core 75, and the bottom end of the valve core shaft 46 passes through the sealing plug 73 and is fixedly connected to the top end surface of the rotating top seat 74. A limiting protrusion 76 is fixedly installed in the center of one end of the inner wall of the wear-resistant liner 72, and the outer wall of one end surface of the spherical valve core 75 is in contact with the outer wall of the limiting protrusion 76. When the hemispherical end of the spherical valve core 75 rotates to the side of the liquid inlet end 5, At this time, one end of the spherical valve core 75 is in contact with the limiting protrusion 76, and the liquid inlet end 5 and the structural valve cavity 71 are blocked by the spherical valve core 75. The internal structure of the valve cavity 71 and the liquid outlet end 8 are connected. As the valve core shaft 46 rotates between the sealing plug 73, it can drive the rotating top seat 74 to rotate, thereby causing the spherical valve core 75 to rotate inside the wear-resistant liner 72, so that one end of the spherical valve core 75 is separated from the limiting protrusion 76, thereby closing the gap between the liquid inlet end 5 and the structural valve cavity 71. By gradually adjusting, the liquid inlet end 5, the wear-resistant liner 72 and the liquid outlet end 8 are internally connected, which facilitates the circulation of water; by adjusting the rotation angle of the spherical valve core 75, the size of the gap connecting the liquid inlet end 5 and the structural valve cavity 71 is changed, thereby adjusting the valve size of the electric valve; when the spherical valve core 75 and the wear-resistant liner 72 rotate, they can have a good wear-resistant effect, effectively reduce the wear of the spherical valve core 75 and the inner wall of the structural valve cavity 71, and extend the service life of the spherical valve core 75.

[0033] Two positioning screw holes are provided at both ends of the top of the electric control base 2, and two locking screws are respectively installed at both ends of the assembly top cover 3, and the bottom of the locking screw passes through the assembly top cover 3 and is fixedly connected with the positioning screw holes through threads; it is convenient to connect and fix the assembly top cover 3 to the electric control base 2, and the installation and disassembly are convenient, and the fixed assembly is firm, which effectively improves the convenience of use.

[0034] A buffer seat 9 is fixedly installed in the center of the inner wall of the two side end faces of the structural valve body 1, and the inner end of the liquid inlet end 5 and the liquid outlet end 8 are respectively fitted and connected with the end faces of the two buffer seats 9; it effectively improves the connection sealing effect between the liquid inlet end 5 and the liquid outlet end 8 and the structural valve body 1, and has a good buffering effect.

[0035] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An electric valve for reducing valve core wear, characterized in that: The invention comprises a structural valve body (1), wherein an electric control base (2) is mounted on the top of the outer wall of the structural valve body (1) by welding, and an assembly top cover (3) is fixedly mounted on the top of the electric control base (2), an electric component (4) is arranged above the top of the assembly top cover (3), a liquid inlet end (5) and a liquid outlet end (8) are respectively mounted at the center of both sides of the structural valve body (1), a water filter assembly (6) is arranged outside the liquid inlet end (5), a valve core assembly (7) is arranged at the center of the interior of the structural valve body (1), and the valve core assembly (7) is connected to the electric component (4); The electric assembly (4) includes a drive chassis (41), which is mounted on the top of the assembly top cover (3) by welding. A drive motor (42) is fixedly mounted on one side of the inner portion of the drive chassis (41), and a drive shaft (43), a gearbox (44) and a valve core rotating shaft (46) are sequentially connected and mounted on the bottom side of the drive motor (42). A rotating shaft sleeve (45) is sleeved on the outer side of the valve core rotating shaft (46), and the rotating shaft sleeve (45) and the valve core rotating shaft (46) penetrate the assembly. The top cover (3), the electric control base (2), and the interior of the structural valve body (1) are connected. The top of the driving chassis (41) is fixedly installed with a fixed box cover (47) by bolts, and the top of the fixed box cover (47) is fixedly installed with an electric control board (48). The end surfaces of both sides of the fixed box cover (47) are both installed with ventilation plates (410), and the inner side of the ventilation plate (410) is fixedly installed with a cooling fan (49). One end of the fixed box cover (47) is plugged and installed with two wiring terminals (411).

2. The electric valve for reducing valve core wear according to claim 1, characterized in that: Two buffer brackets are fixedly mounted on the center of the inner wall of the drive chassis (41) by welding, and the bottom end surface of the drive motor (42) is fixedly connected to the top end surfaces of the two buffer brackets.

3. The electric valve for reducing valve core wear according to claim 2, characterized in that: A drive shaft (43) is fixedly mounted on the bottom end of the motor shaft of the drive motor (42), the gearbox (44) is fixedly mounted on the center of the bottom side of the inner wall of the drive chassis (41), and the drive shaft (43) is fixedly connected to one end of the power input shaft of the gearbox (44), and one end of the power output shaft of the gearbox (44) is fixedly connected to the valve core rotating shaft (46).

4. The electric valve for reducing valve core wear according to claim 3, characterized in that: The water filter assembly (6) includes a filter cartridge (61), which is arranged outside the liquid inlet end (5). A first clean water pipe (68) and a second clean water pipe (62) are respectively plugged and installed at the center of the end faces on both sides of the filter cartridge (61), and the second clean water pipe (62) is fixedly connected to the liquid inlet end (5) through a connecting flange. A filter end cover (63) is fixedly installed on the inner wall of the filter cartridge (61) near the end face of the second clean water pipe (62), and a filter cage (64) is fixedly installed on the outer side of the filter end cover (63) by screws. A sedimentation pipe (65) is plugged and installed at the bottom of the outer wall of the filter cartridge (61), and a locking base (66) is installed on the outer bottom of the sedimentation pipe (65) by threaded connection. An electrostatic dust removal rod (67) is fixedly installed at the center of the inner side of the locking base (66), and the top end of the electrostatic dust removal rod (67) passes through the sedimentation pipe (65) and is located at the bottom side of the filter cage (64).

5. The electric valve for reducing valve core wear according to claim 4, characterized in that: The valve core assembly (7) includes a structural valve cavity (71), the structural valve cavity (71) is opened in the center of the interior of the structural valve body (1), and the structural valve cavity (71) is a spherical groove structure. The structural valve cavity (71) is connected with the liquid inlet end (5) and the liquid outlet end (8). The inner wall of the structural valve cavity (71) is fitted with a wear-resistant liner (72), and a sealing plug (73) is fixedly installed at the center of the top end face of the wear-resistant liner (72), and the bottom end face of the rotating shaft sleeve (45) is fitted with the top end face of the sealing plug (73). A spherical valve core (75) is provided in the center of the interior of the wear-resistant liner (72), and the spherical valve core (75) is a hemispherical structure. A rotating top seat (74) is fixedly installed in the center of the top of the spherical valve core (75), and the bottom end of the valve core shaft (46) passes through the sealing plug (73) and is fixedly connected to the top end face of the rotating top seat (74). A limiting protrusion (76) is fixedly installed in the center of one end of the inner wall of the wear-resistant liner (72), and the outer wall of one end face of the spherical valve core (75) is fitted and connected to the outer wall of the limiting protrusion (76).

6. The electric valve for reducing valve core wear according to claim 5, characterized in that: Two positioning screw holes are provided at both ends of the top of the electric control base (2), and two locking screws are respectively inserted and installed at both ends of the assembly top cover (3), and the bottom of the locking screw passes through the assembly top cover (3) and is threadedly fixedly connected to the positioning screw holes.

7. The electric valve for reducing valve core wear according to claim 6, characterized in that: Buffer seats (9) are fixedly mounted at the center of the inner walls of both end faces of the structural valve body (1), and the inner ends of the liquid inlet end (5) and the liquid outlet end (8) are respectively fitted and connected to the end faces of the two buffer seats (9).

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