Temperature electromagnetic control valve

Abstract

The application belongs to the technical field of electromagnetic valves, and specifically discloses a temperature electromagnetic control valve, which comprises a valve body shell, a valve pipe is inserted into the top of the valve body shell, a flow channel is formed between the valve pipe and the valve body shell, a valve core assembly is fixedly arranged in the valve pipe, the valve core assembly comprises a wire core, a pressure relief pipe is fixedly connected to the bottom of the valve body shell, a pressure relief sleeve is threadedly connected to the bottom of the pressure relief pipe, a top column is fixedly connected to the top of the pressure relief sleeve, and the top column extends into the flow channel. After long-time use, impurities are left at the valve core, and the impurities will affect the sealing and closing of the valve core. At this time, the pressure relief sleeve can be opened, the pressure relief sleeve can remove the impurities at the valve core, and thus the sealing property of the valve core is prevented from being affected by the impurities.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electromagnetic valves, in particular to a temperature electromagnetic control valve. BACKGROUND

[0002] In the field of fluid control, electromagnetic valves are used as control components to control the conduction of flow paths. An electromagnetic valve includes a valve body, an electromagnetic coil and an electromagnetic iron inner column. During production and manufacturing, the electromagnetic iron inner column and the valve body need to be assembled and fixed, and then the electromagnetic coil and the electromagnetic iron inner column need to be assembled and fixed.

[0003] The basic working principle of an electromagnetic valve is that when powered on, the electromagnetic force generated by the electromagnetic coil lifts the closing piece from the valve seat, and the valve is opened. When power is off, the electromagnetic force disappears, and the spring presses the closing piece on the valve seat, and the valve is closed.

[0004] The applicant has found some typical prior art through searching, such as the electromagnetic valves disclosed in Chinese patent applications CN 117967793 A, CN 118775613 A and CN 118462897 B. These electromagnetic valves are used in the process of liquid delivery. However, the existing electromagnetic valves cannot protect the electromagnetic valve during use. The valve core of the electromagnetic valve is prone to reduce the sealing performance of the valve core due to impurities after long-term use, which affects the closure of the valve core. The existing electromagnetic valves do not have the ability to remove impurities from the valve core. To facilitate the removal of impurities from the valve core and improve the service life of the valve core, the present application provides a temperature electromagnetic control valve. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a temperature electromagnetic control valve. After long-term use, impurities remain in the valve core, which affects the sealing and closure of the valve core. At this time, the pressure relief sleeve can be opened to remove the impurities from the valve core, thereby avoiding the influence of impurities on the sealing performance of the valve core. The present application solves the problems in the background. The specific technical solution is as follows:

[0006] The utility model provides a temperature electromagnetic control valve, including the valve body shell, the top of valve body shell inserts the valve pipe, forms the flow channel with valve body shell between, the inside fixed assembly of valve pipe is equipped with the valve core subassembly, the valve core subassembly includes the wire core, the outer surface of wire core is wound with the energized coil, the inside fixed connection of wire core has the fixed iron core, the inside fixed assembly of valve pipe is equipped with the fixed ring, the top fixed connection of valve rod is equipped with the movable iron core, the outer surface fixed sleeve of valve rod is equipped with the piston, the piston and fixed ring are equipped with the spring, the spring is sleeved on the outer surface of valve rod, the bottom fixed connection of piston is equipped with the valve post, the outer surface fixed sleeve of valve post is equipped with the valve core, the outer surface screw joint of valve body shell is equipped with the protective sleeve, the top fixed connection of protective sleeve is equipped with the top cap, the bottom fixed connection of valve body shell is equipped with the pressure relief pipe, the bottom screw joint of pressure relief pipe is equipped with the pressure relief sleeve, the top fixed connection of pressure relief sleeve is equipped with the top post, and the top post extends into the flow channel.

[0007] As further of the application, the valve body shell is integrally connected with a positioning shell, the positioning shell is screw-connected with a positioning sleeve, the positioning sleeve is fixedly connected with a positioning column, the valve pipe is provided with a positioning slot, and the positioning column abuts against the positioning slot.

[0008] As further of the application, the fixed ring is provided with a first assembly groove, the first assembly groove is installed with a first sealing ring, the piston is provided with a second assembly groove, and the second assembly groove is installed with a second sealing ring.

[0009] As further of the application, the pressure relief sleeve is provided with a plurality of third assembly grooves, and the third assembly grooves are installed with third sealing rings.

[0010] As further of the application, the positioning sleeve is provided with a sealing groove, and the sealing groove is installed with a rubber sealing ring.

[0011] As further of the application, both ends of the valve body shell are fixedly welded with first flange plates, the left side of the valve body shell is provided with a filter pipe, both ends of the filter pipe are fixedly welded with second flange plates, a plurality of fastening bolts are bolt-connected between the right second flange plate and the left first flange plate, the filter pipe is integrally connected with a mounting sleeve, the inside of the mounting sleeve is installed with a filter sleeve, the filter sleeve is provided with a plurality of filter holes, the top of the mounting sleeve is screw-connected with a fastening sleeve, and the top of the fastening sleeve is integrally connected with an outer hexagonal nut.

[0012] As further of the application, a sealing washer is installed between the filter sleeve and the fastening sleeve.

[0013] As further of the application, a rubber washer is installed between the first flange plate and the second flange plate.

[0014] The present application provides a temperature electromagnetic control valve. Compared with the prior art, the following beneficial effects are achieved:

[0015] 1. The new compact electromagnetic valve with compact assembly structure, during assembly of the temperature electromagnetic control valve, the valve pipe is first assembled to the top of the valve body shell, then the spool assembly is assembled into the valve pipe, the spool assembly is composed of a wire core, an energizing coil, a fixed core, a fixing ring, a valve rod, a moving core, a piston, a spring, a valve post and a spool, then the protective sleeve and the fixed cover are assembled to the top of the valve body shell, when the valve body normally supplies fluid flow, the spool is located below the valve pipe under the action of the spring, the spool will not intercept the flow passage, when the energizing coil is energized, the wire core and the fixed core will generate a magnetic attraction force, at this time the magnetic attraction force generated will be greater than the force of the spring, at this time the spool will move upward, the spool will intercept the flow passage, thereby realizing fluid on-off, after long-term use, impurities are left at the spool, which will affect the sealing closure of the spool, at this time the pressure relief sleeve can be opened, the pressure relief sleeve can remove the impurities at the spool, thereby avoiding the influence of the impurities on the sealing property of the spool.

[0016] 2. The new compact electromagnetic valve with compact assembly structure, the filter pipe can be disassembled and used, and is not integrally fixed, which facilitates personnel to select whether to use the filter pipe according to actual needs, the filter sleeve in the filter pipe can treat impurities in the fluid, thereby avoiding the influence of the impurities on the closure at the spool. BRIEF DESCRIPTION OF DRAWINGS

[0017] The application can be further understood from the following description in conjunction with the drawings. The components in the drawings are not necessarily drawn to scale, but emphasis is instead placed on illustrating the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0018] Figure 1 is a front view of the main body structure of the present application;

[0019] Figure 2 is a bottom view of the main body structure of the present application;

[0020] Figure 3 is a sectional view of the main body structure of the present application;

[0021] Figure 4 is a disassembled view of the main body structure of the present application;

[0022] Figure 5 is a disassembled view of the filter pipe of the present application;

[0023] Figure 6 is a sectional view of the filter pipe of the present application;

[0024] Figure 7 is a view of the spool assembly structure of the present application;

[0025] Figure 8 Figure is a schematic diagram of the valve pipe structure of the present application.

[0026] Figure: 1, valve body shell; 2, positioning shell; 3, positioning strip hole; 4, filter pipe; 5, moving iron core; 6, filter sleeve; 7, valve column; 8, pressure relief pipe; 9, valve core; 10, valve pipe; 11, valve rod; 12, energizing coil; 13, fixed iron core; 14, wire core; 15, fixed ring; 16, piston; 17, top cover; 18, protective sleeve; 19, spring; 20, top column; 21, third sealing ring; 22, pressure relief sleeve; 23, positioning column; 24, positioning sleeve; 25, outer hexagonal nut; 26, fastening sleeve; 27, sealing washer; 28, second flange plate; 29, mounting sleeve; 30, second sealing ring; 31, first sealing ring; 32, first flange plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with its embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the protection scope of the present application.

[0028] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right", and the like are used for explanation purposes only and are not intended to limit the present application.

[0029] Unless otherwise defined, 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 application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] The "first", "second" in the present application do not represent the specific number and order, but only for the name of the distinction.

[0031] Example one:

[0032] Please refer to Figures 1-8The application provides a temperature electromagnetic control valve, which comprises a valve body shell 1, a valve pipe 10 is arranged on the top of the valve body shell 1, a flow channel is formed between the valve pipe 10 and the valve body shell 1, a valve core assembly is fixedly arranged in the valve pipe 10, the valve core assembly comprises a wire core 14, the outer surface of the wire core 14 is wound with a power coil 12, the inner part of the wire core 14 is fixedly connected with a fixed iron core 13, the inner part of the valve pipe 10 is fixedly arranged with a fixed ring 15, the fixed ring 15 is slidably arranged with a valve rod 11, the top of the valve rod 11 is fixedly connected with a movable iron core 5, the outer surface of the valve rod 11 is fixedly sleeved with a piston 16, the piston 16 and the fixed ring 15 are arranged with a spring 19, the spring 19 is sleeved on the outer surface of the valve rod 11, the bottom of the piston 16 is fixedly connected with a valve column 7, the outer surface of the valve column 7 is fixedly sleeved with a valve core 9, the outer surface of the valve body shell 1 is screw-connected with a protective sleeve 18, the top of the protective sleeve 18 is fixedly connected with a top cover 17, the bottom of the valve body shell 1 is fixedly connected with a pressure relief pipe 8, the bottom of the pressure relief pipe 8 is screw-connected with a pressure relief sleeve 22, the top of the pressure relief sleeve 22 is fixedly connected with a top column 20, and the top column 20 extends into the flow channel.

[0033] When the temperature electromagnetic control valve is assembled, the valve pipe 10 is first arranged on the top of the valve body shell 1, then the valve core assembly is arranged in the valve pipe 10, the valve core assembly is composed of the wire core 14, the power coil 12, the fixed iron core 13, the fixed ring 15, the valve rod 11, the movable iron core 5, the piston 16, the spring 19, the valve column 7 and the valve core 9, then the protective sleeve 18 and the top cover 17 are arranged on the top of the valve body shell 1, when the valve body normally supplies fluid flow, the valve core 9 is located below the valve pipe 10 under the action of the spring 19, the valve core 9 will not intercept the flow channel, when the power coil 12 is electrified, the wire core 14 and the fixed iron core 13 will generate magnetic attraction force, at this time, the generated magnetic attraction force will be greater than the force of the spring 19, at this time, the valve core 9 will move upward, the valve core 9 will intercept the flow channel, thereby realizing fluid on-off, after long-term use, impurities are left on the valve core 9, the impurities will affect the sealing closure of the valve core 9, at this time, the pressure relief sleeve 22 can be opened, the pressure relief sleeve 22 can remove the impurities on the valve core 9, thereby avoiding the influence of the impurities on the sealing property of the valve core 9.

[0034] The valve body shell 1 is integrally connected with a positioning shell 2, the positioning shell 2 is screw-connected with a positioning sleeve 24, the positioning sleeve 24 is fixedly connected with a positioning column 23, the valve pipe 10 is provided with a positioning strip hole 3, and the positioning column 23 abuts against the positioning strip hole 3.

[0035] After the positioning sleeve 24 is screwed into the positioning shell 2, the positioning column 23 abuts in the positioning strip hole 3, and the valve pipe 10 can be tightly fixed.

[0036] The first assembly groove is provided with a first sealing ring 31, and the second assembly groove is provided with a second sealing ring 30.

[0037] The third assembly groove is provided with a third sealing ring 21.

[0038] The first sealing ring 31 and the second sealing ring 30 can improve the sealing performance of the valve core assembly, and the third sealing ring 21 can improve the sealing performance of the pressure relief sleeve 22.

[0039] The sealing groove is provided with a rubber sealing ring, and the rubber sealing ring can improve the sealing performance of the positioning sleeve 24.

[0040] Embodiment two:

[0041] Please refer to Figures 1-8 The temperature electromagnetic control valve comprises a valve body shell 1, a valve pipe 10 is inserted into the top of the valve body shell 1, a flow channel is formed between the valve pipe 10 and the valve body shell 1, a valve core assembly is fixedly arranged in the valve pipe 10, the valve core assembly comprises a wire core 14, the outer surface of the wire core 14 is wound with a power coil 12, a fixed iron core 13 is fixedly connected to the inside of the wire core 14, a fixed ring 15 is fixedly arranged in the valve pipe 10, a valve rod 11 is slidingly arranged on the fixed ring 15, a movable iron core 5 is fixedly connected to the top of the valve rod 11, a piston 16 is fixedly sleeved on the outer surface of the valve rod 11, a spring 19 is sleeved on the outer surface of the valve rod 11 and arranged between the piston 16 and the fixed ring 15, a valve column 7 is fixedly connected to the bottom of the piston 16, a valve core 9 is fixedly sleeved on the outer surface of the valve column 7, a protective sleeve 18 is screw-connected to the outer surface of the valve body shell 1, a top cover 17 is fixedly connected to the top of the protective sleeve 18, a pressure relief pipe 8 is fixedly connected to the bottom of the valve body shell 1, a pressure relief sleeve 22 is screw-connected to the bottom of the pressure relief pipe 8, a top column 20 is fixedly connected to the top of the pressure relief sleeve 22, and the top column 20 extends into the flow channel.

[0042] Preferably, a temperature sensor for detecting the temperature of the fluid medium is further arranged in the temperature electromagnetic control valve, the temperature sensor can be arranged in the filter pipe or the valve pipe, the temperature sensor is electrically connected with the controller, the controller detects the temperature of the fluid medium through the temperature sensor, compares the detected temperature with a set value, controls the opening degree of the valve core by controlling the current flowing into the power coil, and further controls the flow rate of the fluid medium. Since the installation and connection mode of the temperature sensor and the controller belongs to the conventional technology in the field, it is not described herein.

[0043] The temperature electromagnetic control valve is assembled as follows: first, the valve pipe 10 is assembled to the top of the valve body shell 1, then the valve core assembly is assembled into the valve pipe 10, the valve core assembly is composed of the wire core 14, the energized coil 12, the fixed iron core 13, the fixing ring 15, the valve rod 11, the moving iron core 5, the piston 16, the spring 19, the valve post 7 and the valve core 9, then the protective sleeve 18 and the top cover 17 are assembled to the top of the valve body shell 1, when the valve body normally supplies fluid flow, the valve core 9 is located below the valve pipe 10 under the action of the spring 19, the valve core 9 will not intercept the flow passage, when the energized coil 12 is energized, the wire core 14 and the fixed iron core 13 will generate a magnetic attraction force, at this time, the generated magnetic attraction force will be greater than the force of the spring 19, at this time, the valve core 9 will move upward, the valve core 9 will intercept the flow passage, thereby realizing fluid on-off, after long-term use, impurities are left at the valve core 9, the impurities will affect the sealing closure of the valve core 9, at this time, the pressure relief sleeve 22 can be opened, the pressure relief sleeve 22 can remove the impurities at the valve core 9, thereby avoiding the influence of the impurities on the sealing property of the valve core 9.

[0044] The valve body shell 1 is integrally connected with the positioning shell 2, the positioning shell 2 is threadedly connected with the positioning sleeve 24, the positioning sleeve 24 is fixedly connected with the positioning column 23, the valve pipe 10 is provided with the positioning strip hole 3, and the positioning column 23 abuts against the positioning strip hole 3.

[0045] After the positioning sleeve 24 is screwed into the positioning shell 2, the positioning column 23 abuts in the positioning strip hole 3, and the valve pipe 10 can be tightly fixed.

[0046] The fixing ring 15 is provided with the first assembly groove, the first sealing ring 31 is mounted on the first assembly groove, the piston 16 is provided with the second assembly groove, and the second sealing ring 30 is mounted on the second assembly groove.

[0047] The pressure relief sleeve 22 is provided with a plurality of third assembly grooves, and the third sealing ring 21 is mounted on the third assembly groove.

[0048] The first sealing ring 31 and the second sealing ring 30 can improve the sealing property of the valve core assembly, and the third sealing ring 21 can improve the sealing property of the pressure relief sleeve 22.

[0049] The positioning sleeve 24 is provided with the sealing groove, and the rubber sealing ring is mounted on the sealing groove, so that the sealing property of the positioning sleeve 24 is improved.

[0050] Please refer to Figures 1-8The application provides a temperature electromagnetic control valve, first flange plates 32 are fixedly welded at two ends of a valve body shell 1, a filter pipe 4 is arranged at the left side of the valve body shell 1, second flange plates 28 are fixedly welded at the left and right ends of the filter pipe 4, a plurality of fastening bolts are bolt-connected between the second flange plate 28 at the right side and the first flange plate 32 at the left side, an installation sleeve 29 is integrally connected on the filter pipe 4, a filter sleeve 6 is installed in the installation sleeve 29, a plurality of filter holes are formed in the filter sleeve 6, a fastening sleeve 26 is threadedly screwed at the top of the installation sleeve 29, and an outer hexagonal nut 25 is integrally connected at the top of the fastening sleeve 26.

[0051] The filter pipe 4 can be disassembled and used, is not integrally fixed, personnel can select whether to use the filter pipe 4 according to actual needs, the filter sleeve 6 in the filter pipe 4 can treat impurities in fluid, and impurities are prevented from affecting the closing of the valve core 9.

[0052] The sealing gasket 27 is arranged between the filter sleeve 6 and the fastening sleeve 26, and the sealing gasket 27 can improve the sealing performance of the filter sleeve 6 and the fastening sleeve 26.

[0053] The rubber gasket is arranged between the first flange plate 32 and the second flange plate 28, and the sealing performance between the filter pipe 4 and the valve body shell 1 is improved.

[0054] Embodiment three:

[0055] It should be understood that the embodiment at least includes all the technical features of the above-mentioned embodiments, and is further elaborated on the basis of the above-mentioned embodiments.

[0056] In the embodiment, the working principle of the temperature electromagnetic control valve is described as follows.

[0057] The temperature electromagnetic control valve is assembled as follows: first, the valve pipe 10 is assembled to the top of the valve body shell 1, then the valve core assembly is assembled into the valve pipe 10, the valve core assembly is composed of the wire core 14, the energized coil 12, the fixed iron core 13, the fixing ring 15, the valve rod 11, the moving iron core 5, the piston 16, the spring 19, the valve post 7 and the valve core 9, then the protective sleeve 18 and the top cover 17 are assembled to the top of the valve body shell 1, when the valve body normally supplies fluid flow, the valve core 9 is located below the valve pipe 10 under the action of the spring 19, the valve core 9 will not intercept the flow passage, when the energized coil 12 is energized, the wire core 14 and the fixed iron core 13 will generate magnetic attraction, at this time, the generated magnetic attraction will be greater than the force of the spring 19, at this time, the valve core 9 will move upward, the valve core 9 will intercept the flow passage, thereby realizing fluid on-off, after long-term use, impurities are left at the valve core 9, the impurities will affect the sealing closure of the valve core 9, at this time, the pressure relief sleeve 22 can be opened, the pressure relief sleeve 22 can remove the impurities at the valve core 9, thereby avoiding the influence of the impurities on the sealing property of the valve core 9.

[0058] The first sealing ring 31 and the second sealing ring 30 can improve the sealing property of the valve core assembly, and the third sealing ring 21 can improve the sealing property of the pressure relief sleeve 22.

[0059] The filter pipe 4 can be disassembled and used, and is not integrally fixed, so that personnel can select whether to use the filter pipe 4 according to actual needs, the filter sleeve 6 in the filter pipe 4 can treat impurities in the fluid, thereby avoiding the influence of the impurities on the closure at the valve core 9.

[0060] The technical features of the above-described embodiments can be combined arbitrarily, in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0061] The above-described embodiments only express several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as limiting the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A temperature solenoid operated valve comprising a valve body housing, characterized by: The top of the valve body shell is inserted with a valve pipe, a flow channel is formed between the valve pipe and the valve body shell, a valve core assembly is fixedly assembled in the valve pipe, the valve core assembly comprises a wire core, an energized coil is wound on the outer surface of the wire core, a fixed iron core is fixedly connected in the wire core, a fixed ring is fixedly assembled in the valve pipe, a valve rod is slidingly assembled on the fixed ring, a moving iron core is fixedly connected to the top of the valve rod, a piston is fixedly sleeved on the outer surface of the valve rod, a spring is assembled between the piston and the fixed ring, the spring is sleeved on the outer surface of the valve rod, a valve column is fixedly connected to the bottom of the piston, a valve core is fixedly sleeved on the outer surface of the valve column, a protective sleeve is helically screwed on the outer surface of the valve body shell, a top cover is fixedly connected to the top of the protective sleeve, a pressure relief pipe is fixedly connected to the bottom of the valve body shell, a pressure relief sleeve is threadedly connected to the bottom of the pressure relief pipe, a top column is fixedly connected to the top of the pressure relief sleeve, and the top column extends into the flow channel; The positioning shell is integrally connected to the valve body shell, the positioning sleeve is threadedly connected to the positioning shell, the positioning column is fixedly connected to the positioning sleeve, the positioning strip hole is formed in the valve pipe, the positioning column abuts against the positioning strip hole, the first assembly groove is formed in the fixed ring, the first sealing ring is mounted on the first assembly groove, the second assembly groove is formed in the piston, the second sealing ring is mounted on the second assembly groove, the sealing groove is formed in the positioning sleeve, the rubber sealing ring is mounted on the sealing groove, the first flange plate is fixedly welded at both ends of the valve body shell, the filter pipe is arranged on the left side of the valve body shell, the second flange plate is fixedly welded at both ends of the filter pipe, a plurality of fastening bolts are bolted between the right second flange plate and the left first flange plate, the mounting sleeve is integrally connected to the filter pipe, the filter sleeve is mounted in the mounting sleeve, a plurality of filter holes are formed in the filter sleeve, the fastening sleeve is threadedly connected to the top of the mounting sleeve, and the external hexagonal nut is integrally connected to the top of the fastening sleeve.

2. A temperature solenoid operated valve as defined in claim 1, wherein: The sealing gasket is mounted between the filter sleeve and the fastening sleeve.

3. A thermoelectrically controlled valve according to claim 2, characterized in that: The rubber gasket is mounted between the first flange plate and the second flange plate.

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