CN209196402U - A kind of normally closed solenoid valve with filtration system - Google Patents

Abstract

The utility model relates to a kind of normally closed solenoid valves with filtration system, including valve body, influent stream pipe, outflow tube and upper housing, cavity is provided in the valve body, valve seat is provided in the cavity, flow-out hole is offered in the valve seat, flow-in hole is also offered respectively on the side wall of the valve body, the flow-in hole is connected with influent stream pipe, the flow-out hole is connected with outflow tube, the upper housing is mounted on the top of valve body, cored and electromagnetic coil is set in the upper housing, the iron core is movably connected in electromagnetic coil, the roof that the lower end of the iron core passes through valve body stretches in cavity, the lower end of the iron core is provided with spherical plug, the link slot to match with spherical plug is offered on the valve seat, the flow-out hole is connected in link slot by spherical plug and is sealed.The design has the advantages that structure is simple, easily fabricated and practical and efficient.

Description

A kind of normally closed solenoid valve with filtration system

Technical field

The utility model relates to a kind of valves, are specifically related to a kind of normally closed solenoid valve with filtration system.

Background technique

Normally closed solenoid valve is of wide application, such as: in ice machine, in air-conditioning, the fluid pressure type pneumatic circuit of various equipment In, for ice machine and air conditioner, it is a kind of essential component, and working principle is the valve when air conditioner normal operation Door no power, the system pipeline is in closed state, and when carrying out dehumidifier, valve, which is powered, to be opened, and compressor 10%-20% exhaust is straight It connects and flows back to compressor inlet, so as to energy saving, there are many producer of domestic production normally closed solenoid valve at present, mostly use greatly Be plane be attracted and rubber seal, sealing performance is not good, is easy to produce leakage, dangerous.

Summary of the invention

The utility model is provided with pipeline patching device on the outside of outflow tube, when outflow tube is damaged, can pass through Pipeline patching device is repaired, to continue to use, play the role of reducing cost and improve practical performance；A kind of band is provided There is the normally closed solenoid valve of filtration system.

In order to solve the above technical problems, the utility model provides a kind of normally closed solenoid valve with filtration system, It is characterized by comprising valve body, influent stream pipe, outflow tube and upper housing, it is provided with cavity in the valve body, in the cavity It is provided with valve seat, flow-out hole is offered in the valve seat, also offers flow-in hole on the side wall of the valve body respectively, it is described Flow-in hole be connected with influent stream pipe, the flow-out hole is connected with outflow tube, and the upper housing is mounted on the top of valve body, institute Cored and electromagnetic coil is set in the upper housing stated, and the iron core is movably connected in electromagnetic coil, the iron core The roof that lower end passes through valve body stretches in cavity, and the lower end of the iron core is provided with spherical plug, opens on the valve seat Equipped with the link slot to match with spherical plug, the flow-out hole is connected in link slot by spherical plug and is sealed, End cap is installed at the top of the upper housing, the upper end of the iron core is connected by the first spring with end cap, it is described into Filtration system and limit base are additionally provided in flow tube, the filtration system is detachably connected in influent stream pipe and and limit base It is in contact, is further sleeved with pipeline patching device on the outer wall of the outflow tube.

Further, the pipeline patching device includes upper grip, lower collet and sealing ring, the lower surface of the upper grip And the upper surface of lower collet all offers the semi-circular recesses to match with outflow tube, the half of the upper grip and lower collet Sealing ring is both provided in circular groove, outflow tube is fixedly clamped between upper grip and lower collet, and the two of the upper grip Side is provided with the first attachment base, and the two sides of the lower collet are provided with the second attachment base, and first attachment base passes through spiral shell Line component is connected with the second attachment base.

Further: the filtration system includes upper clamping frames, lower clamping frames, active carbon cartridge filter and filter plate, The active carbon cartridge filter and filter plate are fixedly clamped between upper clamping frames and lower clamping frames, the upper clamping frames The card slot to match with active carbon cartridge filter and filter plate is all offered on the inner wall of lower clamping frames.

Further: being additionally provided with elastic clamping machine between the upper clamping frames and lower clamping frames and influent stream pipe Structure, the elastic clamping mechanism include the groove being provided on influent stream inside pipe wall, are provided with clamping frames and lower clamp frame Frame outer wall upper half spherical shape card slot, spherical clamp and second spring, the spherical clamp are connected in groove by second spring, The spherical clamp is caught in hemispherical card slot under the action of second spring.

After adopting the above structure, the utility model is provided with pipeline patching device on the outside of outflow tube, occurs in outflow tube It when damage, can be repaired by pipeline patching device, to continue to use, playing reduces cost and improve practical performance Effect；And the design also has the advantages that structure is simple, easily fabricated and practical and efficient.

Detailed description of the invention

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the enlarged drawing of A in Fig. 1.

Fig. 3 is the structural schematic diagram of pipeline patching device.

Fig. 4 is the structural scheme of mechanism of filtration system.

Specific embodiment

A kind of normally closed solenoid valve with filtration system as shown in Figure 1, including valve body 1, influent stream pipe 8,4 and of outflow tube Upper housing 14 is provided with cavity in the valve body 1, valve seat 6 is provided in the cavity, is offered in the valve seat 6 Flow-out hole also offers flow-in hole 3 on the side wall of the valve body 1 respectively, and the flow-in hole 3 is connected with influent stream pipe 8, described Flow-out hole be connected with outflow tube 4, the upper housing 14 is mounted on the top of valve body 1, is provided in the upper housing 14 Iron core 15 and electromagnetic coil 13, the iron core 15 are movably connected in electromagnetic coil, and the lower end of the iron core passes through valve body 1 Roof stretch in cavity, the lower end of the iron core is provided with spherical plug 7, offered on the valve seat 6 with it is spherical The link slot that plug matches, the flow-out hole are connected in link slot by spherical plug and are sealed, the upper casing The top of body 14 is equipped with end cap 12, and the upper end of the iron core 15 is connected by the first spring 11 with end cap 12, it is described into Be additionally provided with filtration system 9 and limit base 10 in flow tube 8, the filtration system 9 be detachably connected in influent stream pipe 8 and with Limit base 10 is in contact, and is further sleeved with pipeline patching device 5 on the outer wall of the outflow tube 4.The design has structure simple, easy In manufacture and practical and efficient advantage.

Pipeline patching device 5 as shown in Figure 3 includes upper grip 20, lower collet 21 and sealing ring 22, the upper grip 20 Lower surface and the upper surface of lower collet all offer the semi-circular recesses to match with outflow tube 4, the upper grip 20 With sealing ring 22 is both provided in the semi-circular recesses of lower collet 21, outflow tube 4 is fixedly clamped in upper grip 20 and lower collet 21 Between, the two sides of the upper grip 20 are provided with the first attachment base 23, and the two sides of the lower collet 21 are provided with the second company Joint chair 24, first attachment base 23 are connected by threaded components with the second attachment base 24.

Filtration system 9 as shown in Figure 4 includes upper clamping frames 25, lower clamping frames 26, active carbon cartridge filter 28 and filter Plate 27, the active carbon cartridge filter 28 and filter plate 27 are fixedly clamped between upper clamping frames 25 and lower clamping frames 26, institute It all offers on the inner wall of the upper clamping frames 25 and lower clamping frames 26 stated and matches with active carbon cartridge filter 28 and filter plate 27 Card slot.The utility model is provided with pipeline patching device on the outside of outflow tube, when outflow tube is damaged, can pass through pipe Road patcher is repaired, to continue to use, play the role of reducing cost and improve practical performance.

Elastic clamping machine is additionally provided between upper clamping frames 25 and lower clamping frames 26 and influent stream pipe 8 as shown in Figure 2 Structure, the elastic clamping mechanism include the groove 17 being provided on 8 inner wall of influent stream pipe, are provided with clamping frames 25 and lower folder 26 outer wall upper half spherical shape card slot 16 of tight frame, spherical clamp 19 and second spring 18, the spherical clamp 19 pass through the second bullet Spring 18 is connected in groove 17, and the spherical clamp 19 is caught in hemispherical card slot 16 under the action of second spring 18.

Claims (4)

1. a kind of normally closed solenoid valve with filtration system, it is characterised in that: including valve body, influent stream pipe, outflow tube and upper casing Body is provided with cavity in the valve body, valve seat is provided in the cavity, flow-out hole, institute are offered in the valve seat Flow-in hole is also offered on the side wall for the valve body stated respectively, the flow-in hole is connected with influent stream pipe, the flow-out hole with go out Flow tube is connected, and the upper housing is mounted on the top of valve body, and cored and electromagnetic coil is arranged in the upper housing, described Iron core be movably connected in electromagnetic coil, the roof that the lower end of the iron core passes through valve body stretches in cavity, described The lower end of iron core is provided with spherical plug, and the link slot to match with spherical plug is offered on the valve seat, and described goes out Discharge orifice is connected in link slot by spherical plug and is sealed, and end cap, the iron are equipped at the top of the upper housing The upper end of core is connected by the first spring with end cap, is additionally provided with filtration system and limit base in the influent stream pipe, described Filtration system is detachably connected to be in contact in influent stream pipe and with limit base, is further sleeved with pipe on the outer wall of the outflow tube Road patcher.

2. a kind of normally closed solenoid valve with filtration system according to claim 1, it is characterised in that: the pipeline Patcher includes upper grip, lower collet and sealing ring, and the upper surface of the lower surface of the upper grip and lower collet all opens up There are a semi-circular recesses to match with outflow tube, is both provided with sealing in the semi-circular recesses of the upper grip and lower collet Circle, outflow tube are fixedly clamped between upper grip and lower collet, and the two sides of the upper grip are provided with the first attachment base, described The two sides of lower collet be provided with the second attachment base, first attachment base is connected by threaded components with the second attachment base.

3. a kind of normally closed solenoid valve with filtration system according to claim 1, it is characterised in that: the filtering System includes upper clamping frames, lower clamping frames, active carbon cartridge filter and filter plate, and the active carbon cartridge filter and filter plate clamp It is fixed between clamping frames and lower clamping frames, is all offered on the inner wall of the upper clamping frames and lower clamping frames The card slot to match with active carbon cartridge filter and filter plate.

4. a kind of normally closed solenoid valve with filtration system according to claim 3, it is characterised in that: the upper folder Elastic clamping mechanism is additionally provided between tight frame and lower clamping frames and influent stream pipe, the elastic clamping mechanism includes opening up Groove on influent stream inside pipe wall, be provided with upper clamping frames and lower clamping frames outer wall upper half spherical shape card slot, spherical clamp and Second spring, the spherical clamp are connected in groove by second spring, work of the spherical clamp in second spring It is caught under in hemispherical card slot.