阅读说明：本技术 一种二位四通电磁阀 (Two-position four-way electromagnetic valve ) 是由 宋春华 朱晓善 程川 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种二位四通电磁阀。包括具有内部联通孔的金属阀体,阀芯,手动旋钮和电磁机构。其中金属阀体上设有四个内部连通孔和两个工作口,一个排气口和一个压力进口,内部连通孔连通金属阀体的上下阀腔,两个工作口在金属阀体一侧,排气口和压力进口在工作口对侧,错位布置,减小两个口对同段阀芯所受到压力。阀芯由四段阀杆组成,阀杆通过组合环组合,便于阀芯的维修和组装,在阀杆上有间隔套和密封圈,阀芯安装在金属阀体内。金属阀体的上方是电磁机构,电磁机构下有调节螺钉,调节电磁机构与金属阀体的间距,金属阀体下方是手动旋钮,在断电时,手动旋钮推动阀芯,实现电磁阀开阀和泄压。(The invention discloses a two-position four-way electromagnetic valve. The electromagnetic valve comprises a metal valve body with an internal connecting through hole, a valve core, a manual knob and an electromagnetic mechanism. The metal valve body is provided with four internal communication holes and two working ports, an exhaust port and a pressure inlet, the internal communication holes are communicated with the upper valve cavity and the lower valve cavity of the metal valve body, the two working ports are arranged on one side of the metal valve body, the exhaust port and the pressure inlet are arranged on the opposite sides of the working ports in a staggered mode, and pressure applied to the same-section valve core by the two ports is reduced. The valve core is composed of four sections of valve rods, the valve rods are combined through a combination ring, the valve core is convenient to maintain and assemble, a spacing sleeve and a sealing ring are arranged on the valve rods, and the valve core is installed in the metal valve body. The electromagnetic mechanism is arranged above the metal valve body, the adjusting screw is arranged below the electromagnetic mechanism, the distance between the electromagnetic mechanism and the metal valve body is adjusted, the manual knob is arranged below the metal valve body, and when the power is off, the manual knob pushes the valve core to realize opening and pressure relief of the electromagnetic valve.)

1. A two-position four-way solenoid valve is characterized in that: the two-position four-way electromagnetic valve comprises a metal valve body (1), a valve core (2), an electromagnetic mechanism (3) and a manual knob (4); the valve body (1) is provided with four internal communication holes (101) which are communicated with an upper valve cavity (103) and a lower valve cavity (104) of the metal valve body (1), and the valve cavities are inwards concave rectangles; the electromagnetic valve core (2) consists of a first valve rod (201), a second valve rod (202), a third valve rod (203), a fourth valve rod (204), a first combined ring (2011), a second combined ring (2021) and a third combined ring (2031), wherein a sealing gasket (2041) is arranged in the first combined ring (2011), two sealing gaskets (2042) (2043) are arranged in the second combined ring (2021), a sealing gasket (2044) is arranged in the third combined ring (2031), the sealing gasket (2041) and the sealing gasket (2044) are wrapped by steps, and the four valve rods are connected by three combined rings and threads; when the electromagnetic valve core (2) is combined, three spacing sleeves and five sealing gaskets need to be assembled on the valve core (2), a spacing sleeve (2051) is assembled on a valve rod B (202), a spacing sleeve (2052) is assembled on a valve rod C (203), a spacing sleeve (2053) can be assembled on a valve rod D (204), the sealing gaskets (2061) and (2062) are arranged at two ends of the valve rod B (202), the sealing gaskets (2063) and (2064) are arranged at two ends of the valve rod C (203), and the sealing gaskets (2065) are arranged at the tail end of the valve rod D (204); the spacer sleeve (2053) at the valve rod D (204) is always communicated with the lower valve cavity (104) and the exhaust port (108); the electromagnetic mechanism (3) is connected to the valve rod A (201), the distance between the electromagnetic mechanism (3) and the upper valve chamber cover (1031) is adjusted through an adjusting screw (301), a sealing ring (1032) is arranged in the upper valve chamber cover (1031), and a sealing ring (1042) is arranged in the lower valve chamber cover (1041).

2. The two-position four-way solenoid valve according to claim 1, wherein: the upper valve cavity (103) and the lower valve cavity (104) are provided with an upper valve cavity cover (1031) and a lower valve cavity cover (1041), the valve rod A (201) can penetrate through the upper valve cavity cover (1031) to be connected with the electromagnetic mechanism (3), the manual knob (4) can penetrate through the lower valve cavity cover (1041), a sealing ring (1031) and a sealing ring (1032) are arranged in the upper valve cavity (103), and a tetrafluoro gasket (1043) and a sealing ring (1042) are arranged in the lower valve cavity (104).

3. The two-position four-way solenoid valve according to claim 1, wherein: a sealing ring (401) is arranged on the manual knob (4), and a gap is reserved between the manual knob (4) and the valve core (2); a sealing washer (401) is arranged on the manual knob (4), and the position of the valve core (2) is adjusted by rotating the manual knob (4), so that the purposes of opening the valve and releasing the pressure of the electromagnetic valve in the power-off process are achieved.

4. The two-position four-way solenoid valve according to claim 1, wherein: the three spacing sleeves are non-solid cylinders, three holes are formed in the periphery of each cylinder, and the head end and the tail end of each spacing sleeve have certain gradients.

5. The two-position four-way solenoid valve according to claim 1, wherein: the internal communication hole (101) is parallel to the valve core (2), is vertical to the upper valve cavity cover (1031) and the lower valve cavity cover (1041), and the working port A (105), the working port B (106), the pressure inlet (107) and the exhaust port (108) are vertical to the valve core (2), are parallel to the upper valve cavity cover (1031) and the lower valve cavity cover (1041).

6. The two-position four-way solenoid valve according to claim 1, wherein: the bottom of the valve rod III is in a step shape at the joint of the valve rod III (203) and the combined ring III (2031), and the bottom of the valve rod A is in a step shape at the joint of the valve rod I (201) and the combined ring I (2011).

7. The two-position four-way solenoid valve according to claim 1, wherein: the valve core (2) of the electromagnetic valve has two working positions, when in the first working position (in a non-energized state), a gap is formed between the pressure inlet (107) and the combined ring II (2021), and a medium reaches a working port A (105) from the gap through a spacing sleeve (2051) on the valve rod I (201); the medium flows from the working port B (106) to the combined ring III (2031) through a spacer sleeve (2052) on the valve rod III (203) and flows out from a gap between the combined ring III (2031) and the exhaust port (108); the channel between the exhaust port (108) and the lower valve cavity (104) is a gap between the bottom step of the fourth valve rod (204) and the sealing ring (2065), the upper part of the fourth valve rod (204) is sleeved in the lower valve cavity (104) at intervals, the medium is communicated to the upper valve cavity (103) through the internal communication hole (101), and the bottom step of the first valve rod (201) and the sealing ring (1032) are sealed at the upper valve cavity (103); when the valve core (2) of the electromagnetic valve is at a second working position (in an electrified state), a medium flows from the pressure inlet (107) to a spacing sleeve (2052) on the valve rod III (203) through a gap between the combined ring II (2021) and the sealing ring (2063) to reach a working port B (106); the medium flows from the working port A (105), through a spacer sleeve (2051) on the valve rod I (201), to a combination ring I (2011) and a sealing ring (2061) to an upper valve cavity (103), through an internal communication hole (101) to a lower valve cavity (104), and finally reaches the exhaust port (108) through a gap between the bottom step of the valve rod IV (204) and the sealing ring (2065).

8. The two-position four-way solenoid valve according to claim 1, wherein: the inner wall of the second combined ring (2021) is provided with a sealing ring (2042) and a sealing ring (2043), and a small hole is arranged on the circumference.

9. The two-position four-way solenoid valve according to claim 1, wherein: the electromagnetic mechanism (3) consists of an adjusting screw (301), an electromagnetic coil (302), a return spring (303), a movable iron core (304) and an armature (305); the electromagnetic mechanism is used for adjusting two working positions of the valve core (2) according to requirements.

10. The two-position four-way solenoid valve according to claim 1, wherein: the working port A (105), the working port B (106), the pressure inlet (107) and the exhaust port (108) are oppositely arranged in a staggered manner, and the inner walls of the four ports are all provided with threads.

Technical Field

The invention relates to the technical field of solenoid valves, in particular to a two-position four-way solenoid valve.

Background

The electromagnetic valves are various in types, the common electromagnetic valves are generally two-position two-way and two-position four-way, and the media of the common electromagnetic valves are generally fluid and gas; the electromagnetic valve belongs to an actuator, and the actuator requires accurate control, quick execution and convenient maintenance. The commonly used solenoid valve has problems, the whole solenoid valve can be replaced and used, the maintenance cost is increased, the structure is complex, and the assembly is difficult.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a two-position four-way electromagnetic valve which can realize the function of a two-position four-way valve and has a simple structure. In order to achieve the above object, the present invention provides a two-position four-way valve comprising: the valve comprises a valve body, a valve core, an electromagnetic mechanism and a manual knob; the valve body is provided with four internal communicating holes which are communicated with an upper valve cavity and a lower valve cavity of the metal valve body, and the valve cavity is concave and is in a normally open state; the valve core of the electromagnetic valve consists of a valve rod I, a valve rod II, a valve rod III, a valve rod IV, a combination ring I, a combination ring II and a combination ring III, a sealing gasket is arranged in the valve rod and wraps the sealing gasket through steps, and the four valve rods are connected through the combination ring and threads; when the valve core of the electromagnetic valve is combined, the spacing sleeve and the sealing washer are assembled on the valve core, the valve rod II, the valve rod III and the valve rod IV are all assembled with the spacing sleeve, and the valve rod I, the valve rod II, the valve rod III and the valve rod IV are all provided with the sealing washer at the mutual connection position; the valve rod is provided with a lower valve cavity and an exhaust port at four positions; the electromagnetic mechanism is connected to the first valve rod, and the distance between the electromagnetic mechanism and the upper valve cavity cover is adjusted through the adjusting screw. The manual knob is provided with a sealing washer, and the position of the valve core is adjusted by rotation, so that the purposes of opening the valve and releasing pressure of the electromagnetic valve in power failure are achieved. Furthermore, the upper valve cavity and the lower valve cavity are provided with an upper valve cavity cover and a lower valve cavity cover, the valve rod penetrates through the upper valve cavity cover for a moment to be connected with the electromagnetic mechanism, and the manual knob penetrates through the lower valve cavity cover; a sealing ring is arranged in the valve cavity, and a tetrafluoro gasket and a sealing ring are arranged in the lower valve cavity. Furthermore, a sealing ring is arranged on the manual knob, and a gap is reserved between the manual knob and the valve core. Furthermore, the three spacing sleeves are non-solid cylinders, three holes are formed in the periphery of each cylinder, and the head end and the tail end of each spacing sleeve have certain gradients. Furthermore, the internal communication hole is parallel to the valve core and vertical to the upper valve cavity and the lower valve cavity, and the working port A, the working port B, the pressure inlet and the exhaust port are vertical to the valve core and parallel to the upper valve cavity and the lower valve cavity. Furthermore, the bottom of the valve rod III is in a step shape at the joint of the valve rod III and the combination ring III, the bottom of the valve rod I is in a step shape at the joint of the valve rod I and the combination ring I, and the bottom of the valve rod I is in a step shape. Furthermore, the valve core of the electromagnetic valve has two working positions, when in the first working position (in a non-electrified state), a gap is formed between the pressure inlet and the combination ring, and the medium reaches the working port A from the gap through the upper spacer sleeve of the valve rod I; the medium is sleeved to the combined ring III from the working port B through the interval on the valve rod III and flows out from the gap between the combined ring III and the exhaust port; the passage between the exhaust port and the lower valve cavity is a gap between the bottom steps of the valve rod four and the sealing ring, the upper part of the valve rod four is sleeved in the lower valve cavity at intervals, the medium is communicated to the upper valve cavity through the internal communicating hole, and the bottom steps of the valve rod one and the sealing ring are sealed in the upper valve cavity; when the valve core of the electromagnetic valve is at a second working position (electrified state), a medium flows from a pressure inlet) to a spacer sleeve on a valve rod III through a gap between a combined ring II and a sealing ring to reach a working port B; the medium flows from the working port A, through the spacing sleeve on the valve rod I, to the upper valve cavity through the gap between the combination ring I and the sealing ring, then to the lower valve cavity through the internal communicating hole, and finally reaches the exhaust port through the gap between the steps at the four bottoms of the valve rod and the sealing ring. Furthermore, two sealing rings are arranged on the inner walls of the two combined rings, and a small hole is formed in the circumference of each combined ring. Furthermore, the electromagnetic mechanism consists of an adjusting screw, an electromagnetic coil, a reset spring, a movable iron core and an armature; the electromagnetic mechanism is used for adjusting two working positions of the valve core according to requirements. Further, the working port A and the working port B are oppositely and staggeredly arranged with the pressure inlet and the exhaust port, and the inner walls of the four ports are all provided with threads.

The invention adopts a slide valve structure, realizes the opening and closing of the electromagnetic valve by means of the movement of the valve core and the control and driving of the electromagnetic valve, and controls the flow direction of a medium. Furthermore, the two-position four-way electromagnetic valve adopts the distributed valve core to replace the integral type, the solidified plastic in the middle of the valve rod is replaced by the rubber ring, the problem that the plastic sealing part in the valve core is damaged and integrally replaced is solved, the problem of difficult assembly of the integral type valve core is solved, meanwhile, the valve port interference is avoided at the unique position of the valve body backflow hole, and the perforation risk is reduced.

Description of the drawings:

FIG. 1: schematic cross-sectional structure diagram of two-position four-way solenoid valve

FIG. 2: valve core structure schematic diagram sectional structure schematic diagram

FIG. 3: schematic sectional structure diagram of valve body

Reference numerals: 1, a valve body; 2 an internal communication hole; 103 an upper valve cavity; 1030 an upper valve cavity; 1032 sealing ring; 104 lower valve cavity; 1041 a lower valve cavity; 1042 sealing ring; 1043 a tetrafluoro gasket; 105 working port A; 106 working port B; 107 pressure inlet; 108 an exhaust port; 2, a valve core; 201 a first valve rod; 2011 combination ring one; 202 a valve rod II; 2021 Combined Ring II; 203, a valve rod III; 2031 and Ring III; 204, valve stem four; 2041 and 2044 sealing gaskets; 2051 and 2053 spacer sleeves; 2061-2065 sealing gasket; 3, an electromagnetic mechanism; 301 adjusting the screw; 302 an electromagnetic coil; 303 a return spring; 304 a movable iron core; 305 an armature; 4, a manual knob; 401 sealing ring.

The specific implementation mode is as follows:

the following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relationships between the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments: referring to the attached figure 1, the invention discloses a two-position four-way electromagnetic valve which comprises a valve core, a valve body, an electromagnetic mechanism and a manual knob. Referring to fig. 2, the valve core is a split type valve core, and is composed of a first valve rod, a second valve rod, a third valve rod, a fourth valve rod, a first combination ring, a second combination ring, a third combination ring and a plurality of sealing rings; referring to fig. 3, the valve body has an upper valve chamber, a lower valve chamber, a working port a, a working port B, an exhaust port, a pressure port, four internal communication holes and a plurality of assembly holes.

The positions or installation relations of the components are as follows: the combined ring is stepped, a sealing ring is arranged on the inner wall of the first valve rod, threads are arranged on the inner wall of the bottom of the first valve rod, the bottom of the first valve rod is stepped, a bolt at the head of the second valve rod is in threaded connection with the threads of the first valve rod, the first combined ring is arranged at the threaded connection position of the first valve rod and the second valve rod, the first combined ring is stepped and plays a role in fixing and sealing, and a medium can flow through the steps when the electromagnetic valve is in a power-on state; the bottom of the second valve rod is also conical, the inner wall of the second valve rod is provided with threads, a bolt at the head of the third valve rod is in threaded connection with the threads of the second valve rod, the second combination ring is arranged at the threaded connection position of the second valve rod and the third valve rod, the second combination ring is provided with two sealing gaskets, the connection between the second valve rod and the third valve rod is reinforced, a medium is prevented from penetrating through the second combination ring, and the medium flows through the gap between the second combination ring and the sealing gaskets when the electromagnetic valve is electrified; the bottom of the valve rod III is provided with a bolt which is in threaded connection with the inner wall thread of the valve rod IV, the combined ring III is arranged at the threaded connection part of the valve rod III and the valve rod IV, the combined ring III is in a step shape, and a medium flows through the step to an exhaust port. The valve rod two-rod body, the valve rod three-rod body are provided with two sealing rings and a spacing sleeve, and the valve rod three-rod body is provided with a sealing ring and a spacing sleeve. And the first valve rod penetrates through the upper valve cavity and the upper valve cavity cover to be connected with the electromagnetic mechanism. The four tail ends of the valve rod are arranged in the lower valve cavity, and a certain gap is reserved between the four tail ends of the valve rod and the manual knob. The manual knob penetrates through the lower valve cavity cover, and a sealing ring and a tetrafluoro gasket are arranged on the manual knob to achieve the purpose of sealing. The effect diagram of the position or installation relation of the valve core and the valve body, the electromagnetic mechanism and the manual knob refers to the section view of the attached figure 1. Under the condition that the electromagnetic valve is not electrified, a medium of the electromagnetic valve enters from the pressure port, flows to the first valve rod spacer sleeve through a gap between the first combination ring II and the sealing ring at the bottom end of the first valve rod and then flows out from the working port A, the first combination ring II and the sealing ring seal the second valve rod spacer sleeve and the upper valve cavity, and the second combination ring II and the sealing ring seal the second valve rod spacer sleeve and the third valve rod; the medium of the working port B flows to the lower valve cavity and the discharge port from the gap between the third valve rod and the third combined ring through the third valve rod spacer sleeve, and the lower valve cavity flows to the upper valve cavity through the internal communication hole. When the electromagnetic valve is electrified, a suction iron core (an armature original) of the electromagnetic mechanism enables the valve core to move upwards, and at the moment, a medium enters from the pressure port, passes through a gap between the combined ring II and the sealing ring to reach the valve rod third spacer sleeve and then reaches the working port B; the medium of the working opening A flows from the gap between the first combined ring and the sealing ring to the upper valve cavity, flows from the inner communicating hole to the lower valve cavity, and finally flows out of the exhaust opening from the gap between the third combined ring and the sealing ring.