CN214466435U

CN214466435U - High-low temperature resistant and pressure resistant air conditioner stop valve

Info

Publication number: CN214466435U
Application number: CN202023157940.1U
Authority: CN
Inventors: 项世长; 方敏; 陈建建; 方南力; 何东华; 柳晓燕
Original assignee: Zhejiang Jinchuang Refrigeration System Co Ltd
Current assignee: Zhejiang Jinchuang Refrigeration System Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-22
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a resistant high low temperature, withstand voltage air conditioner stop valve aims at solving the stop valve and blocks up, will often maintain to can shorten the life's of stop valve problem. The key points of the technical scheme are as follows: the utility model provides a resistant high low temperature, withstand voltage air conditioner stop valve, includes the valve body, the inside of valve body is provided with inlet channel and exit channel, inlet channel communicates with each other with exit channel, inlet channel's inside is provided with filter assembly, filter assembly includes the frame and sets up the multilayer filter screen on the frame, the mesh aperture of each layer filter screen diminishes by the past water direction of intaking in proper order, adjacent filter screen is the interval setting, the inner wall joint of frame and inlet channel, each layer filter screen all can dismantle with the frame and be connected. The utility model discloses a resistant high low temperature, withstand voltage air conditioner stop valve for impurity adhesion is on the filter screen, and makes things convenient for the filter screen to dismantle out and in time clear up, prevents that the filter screen from producing the situation of jam, increases the life of stop valve.

Description

High-low temperature resistant and pressure resistant air conditioner stop valve

Technical Field

The utility model relates to a stop valve, more specifically say, it relates to a resistant high low temperature, withstand voltage air conditioner stop valve.

Background

The stop valve is also called as a stop valve, is durable due to small friction force between sealing surfaces in the opening and closing process, is not large in opening height, easy to manufacture and convenient to maintain, is suitable for medium and low pressure, is suitable for high pressure and is widely applied to various fields. The existing stop valve often causes leakage due to friction and abrasion of sealing packing, the packing cannot be added quickly, and when the pressure of the conveyed fluid is too high, the stop valve needs larger torque for opening or closing.

To the above-mentioned problem, the stop valve that chinese patent publication No. CN206754389U discloses, which comprises a valve body, the case, the surge chamber, the screw rod, surge chamber and valve body integrated into one piece, and the surge chamber is located the top of valve body, the case is installed in the valve body, sleeve and case welding, the sleeve runs through sealing filler in proper order, the surge chamber, sealing filler passes through bolt fixed mounting in the surge chamber, and sealing filler is located the vertical direction of case, the feed opening has been seted up to surge chamber and sealing filler corresponding position department, the sleeve passes through the connecting rod and is connected with the screw rod, the hand wheel is installed through the bolt in the top of screw rod.

The stop valve of above-mentioned scheme simple structure, reasonable in design, and the surge chamber has reduced the operating torque that the valve needs when opening or closing, and the connecting rod can reduce temperature variation and cause the damage to the screw, and the charge door can carry out the filling of sealing filler. However, when the stop valve is used for a long time, due to the fact that sundries with different sizes are unavoidably arranged in the fluid passing through the stop valve, after the fluid enters the inlet channel of the valve body, the stop valve is blocked by the sundries with different sizes in the fluid and needs to be maintained frequently, and therefore the service life of the stop valve is shortened.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a resistant high low temperature, withstand voltage air conditioner stop valve makes things convenient for the filter screen to take out from the valve body through the inner wall joint of frame and inlet channel, makes things convenient for the filter screen to dismantle out from the frame simultaneously and clears up, prevents that the filter screen from producing the situation of jam, and can prevent that the stop valve from blockking up, increases the life of stop valve.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a resistant high low temperature, withstand voltage air conditioner stop valve, includes the valve body, the inside of valve body is provided with inlet channel and exit channel, inlet channel communicates with each other with exit channel, inlet channel's inside is provided with filter assembly, filter assembly includes the frame and sets up the multilayer filter screen on the frame, each layer the mesh aperture of filter screen diminishes in proper order by the past water direction of intaking, and is adjacent the filter screen is the interval setting, the inner wall joint of frame and inlet channel, each layer the filter screen all can be dismantled with the frame and be connected.

By adopting the technical scheme, when the stop valve is normally used, fluid passes through the inlet channel and the outlet channel from the inside of the valve body, impurities in the fluid cannot be discharged from the outlet channel along with the fluid, the impurities can be adhered to the filter screens on the inner wall of the inlet channel, the filter screens are distributed at intervals, the mesh apertures of the filter screens are sequentially reduced from the water inlet direction to the water outlet direction, impurities with different sizes in the water body are prevented from being blocked between the adjacent filter screens, the service life of each filter screen is ensured while the filtering effect is ensured, a large amount of impurities can be adhered to the filter screens after the filter screens are used for a long time, a worker can prevent the fluid from being blocked in the valve body only by timely cleaning the filter screens, and the frame can conveniently slide out of the inlet channel by being clamped with the inner wall of the inlet channel, the filter screen is convenient to assemble and disassemble, convenient to clean, and each layer of filter screen and the frame can be disassembled, so that the filter screen can be conveniently disassembled to clean, and further the filter assembly is prevented from being blocked, thereby prolonging the service life of the filter screen, and simultaneously increasing the service life of the stop valve to prevent the stop valve from being blocked.

The utility model discloses further set up to: the frame is provided with a plurality of elastic blocks near the one end of import passageway inner wall, set up the first draw-in groove that a plurality of confession elastic block cards were gone into on the inner wall of import passageway, elastic block and first draw-in groove clearance fit.

Through adopting above-mentioned technical scheme, need follow the inlet channel roll-off of valve body with the frame before will tearing off the filter screen, staff's pulling frame makes the frame slide along inlet channel's inner wall this moment, make a plurality of elastic blocks break away from in the first draw-in groove, continue sliding frame until the frame roll-off from inlet channel, and when getting up the frame installation again, promote the frame and make the frame slide along the inlet channel inner wall, elastic block on the frame slides and can pop out and with first draw-in groove looks block when locating to the position that corresponds with first draw-in groove, the dismantlement of frame has been made things convenient for.

The utility model discloses further set up to: the elastic block is arranged in a hemispherical shape.

Through adopting above-mentioned technical scheme, be hemispherical elastic block and prevent that the elastic block from taking off from first draw-in groove, make things convenient for the elastic block roll-off and can not produce wearing and tearing to the valve body inner wall from first draw-in groove under the effect of the extrusion force.

The utility model discloses further set up to: all sliding connection all around of filter screen has a plurality of first slides, the first cavity that supplies first slide retraction is seted up to the inside of filter screen, the second draw-in groove that supplies first slide card to go into is seted up to the inside of frame, first slide is inhaled the card through magnetism and is gone into to the second draw-in groove.

Through adopting the above-mentioned technical scheme, need in time handle the filter screen after the filter screen uses longer time, prevent that the too much impurity of filter screen adhesion and lose original filtration efficiency, and when dismantling the filter screen from the frame, the pulling filter screen makes the magnetic attraction between first slide and the second draw-in groove disappear gradually, and first slide can retract gradually to the first cavity of filter screen in, continue to stimulate the filter screen and just can realize that the filter screen separates with the frame, thereby can make things convenient for the filter screen to dismantle to get off and clear up, prevent that the impurity adhesion from preventing impurity continuation adhesion simultaneously on the filter screen between the contained angle of filter screen and frame, make the filter screen can in time handle, the life of increase filter screen, thereby can increase the life of stop valve.

The utility model discloses further set up to: the equal sliding connection in both ends of filter screen has the second slide, the gliding second cavity of confession second slide is seted up to the inside of filter screen, be provided with the top between the diapire of second cavity and the second slide and push away the spring, the third draw-in groove that confession second slide card was gone into is seted up to the inside of frame.

Through adopting above-mentioned technical scheme, when the staff pulls out the frame from the valve body, need dismantle the filter screen that has adhered too much impurity from the frame, press the filter screen and make the second slide at filter screen both ends retract to the second cavity in push away the top in the second cavity simultaneously and push away the spring, continue to stimulate the filter screen and make second slide and third draw-in groove separation, thereby make the filter screen break away from with the frame gradually, make things convenient for the staff to clear up impurity on the filter screen again with the filter screen installation back in the frame this moment, and the operation is simple, and the clearance of filter screen is convenient.

The utility model discloses further set up to: the outer side of the pushing spring is sleeved with a limiting sleeve, and the limiting sleeve comprises a first limiting sleeve and a second limiting sleeve which is in sliding connection with the first limiting sleeve.

Through adopting above-mentioned technical scheme, when pushing away the spring and being extrudeed or reply to initial condition, first stop collar can slide in second stop collar is inside, can prevent to push away the spring and take place to buckle and the fracture when being extruded and extension simultaneously to increase the life who pushes away the spring.

The utility model discloses further set up to: the valve also comprises a valve cover and a hand wheel, and a sealing gasket is arranged between the valve body and the valve cover.

Through adopting above-mentioned technical scheme, the valve gap passes through threaded connection with the valve body fixedly, and the hand wheel has made things convenient for opening and shutting of staff control stop valve, and sealed the pad to fix on the valve body, realizes external seal, and all is provided with low temperature resistant insulating layer on valve body, valve gap and hand wheel, prevents that low temperature from influencing the normal use of stop valve, and the filter screen can effectual impurity in the filtration low temperature liquid simultaneously to can increase the life of stop valve.

To sum up, the utility model discloses following beneficial effect has: make impurity adhesion on the filter screen when passing inlet channel, and make things convenient for the filter screen to take out from the valve body through the inner wall joint of frame and inlet channel, make things convenient for the filter screen to dismantle out from the frame simultaneously and clear up, prevent that the filter screen from producing the situation of blockking up, and can prevent that the stop valve from producing and blockking up, reduce the number of times that the stop valve need carry out the maintenance to can increase the life of stop valve.

Drawings

Fig. 1 is a schematic view of the internal structure of a valve body according to a first embodiment;

FIG. 2 is a schematic structural diagram of a frame according to the first embodiment;

FIG. 3 is a schematic structural diagram of a filter screen according to the first embodiment;

FIG. 4 is a schematic structural diagram of a frame according to a second embodiment;

fig. 5 is a schematic structural diagram of a filter screen according to a second embodiment.

In the figure: 1. a valve body; 2. a valve cover; 3. a hand wheel; 4. an inlet channel; 5. an outlet channel; 6. a frame; 7. an elastic block; 8. a second card slot; 9. a third card slot; 10. a filter screen; 11. a first cavity; 12. a second cavity; 13. a first slide plate; 14. a second slide plate; 15. pushing the spring.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to the accompanying drawings and examples.

The first embodiment is as follows: the utility model provides a resistant high low temperature, withstand voltage air conditioner stop valve, refer to fig. 1, including valve body 1, valve gap 2 with 1 threaded connection of valve body and hand wheel 3 with 2 threaded connection of valve gap, and it has sealed the pad to bond between valve body 1 and the valve gap 2, inlet channel 4 and exit channel 5 have been seted up to the inside of valve body 1, and inlet channel 4 communicates with each other with exit channel 5, the inside filter assembly that is equipped with of inlet channel 4, filter assembly includes frame 6 and sets up the multilayer filter screen 10 on frame 6, the mesh aperture of each layer filter screen 10 diminishes toward the play water direction by the direction of intaking in proper order, and adjacent filter screen 10 is the interval setting, frame 6 and inlet channel 4's inner wall joint simultaneously, each layer filter screen 10 all can dismantle with frame 6 and be connected.

Referring to fig. 2, the frame 6 has a plurality of elastic blocks 7 in sliding connection with one end close to the inner wall of the inlet channel 4, a plurality of first clamping grooves for the elastic blocks 7 to be clamped are formed in the inner wall of the inlet channel 4, the elastic blocks 7 are in clearance fit with the first clamping grooves, and the elastic blocks 7 are arranged in a hemispherical shape.

Referring to fig. 3, all sliding connection has a plurality of first slides 13 around filter screen 10, and the inside of filter screen 10 sets up the first cavity 11 that supplies first slide 13 retraction, and the second draw-in groove 8 that supplies first slide 13 card to go into is seted up to the inside of frame 6, and first slide 13 can be gone into to the second draw-in groove 8 through the effect card of magnetism.

The working principle is as follows: when the stop valve is used normally, fluid passes through the valve body 1 and flows in and out through the inlet channel 4 and the outlet channel 5, at the moment, impurities in the fluid cannot be discharged from the outlet channel 5 along with the fluid passing, so that the impurities can be adhered to the filter screens 10 on the inner wall of the inlet channel 4, meanwhile, the filter screens 10 are distributed at intervals, the mesh apertures of the filter screens 10 are sequentially reduced from the water inlet direction to the water outlet direction, impurities with different sizes in a water body are prevented from being blocked between the adjacent filter screens 10, the service life of each layer of filter screen 10 is ensured while the filtering effect is ensured, a large amount of impurities can be adhered to the filter screens 10 after the filter screens 10 are used for a long time, a worker can prevent the fluid from being blocked in the valve body 1 by timely cleaning the filter screens 10, and the frame 6 can conveniently slide out of the inlet channel 4 by clamping with the inner wall of the inlet channel 4, easy to assemble dismantles, and each layer filter screen 10 also can dismantle with frame 6, and the convenience is dismantled filter screen 10 and is got off and wash, further prevents that filtering component from producing the jam to can increase the life of filter screen 10, can increase the life of stop valve simultaneously, prevent that the stop valve from taking place to block up.

Before the filter screen 10 is detached, the frame 6 needs to slide out of the inlet channel 4 of the valve body 1, at the moment, a worker pulls the frame 6 to enable the frame 6 to slide along the inner wall of the inlet channel 4, the elastic blocks 7 are separated from the first clamping groove, the frame 6 continues to slide until the frame 6 slides out of the inlet channel 4, when the frame 6 is installed again, the frame 6 is pushed to enable the frame 6 to slide along the inner wall of the inlet channel 4, when the elastic blocks 7 on the frame 6 slide to the positions corresponding to the first clamping groove, the elastic blocks can be popped out and clamped with the first clamping groove, and the frame 6 is convenient to detach.

When the filter screen 10 needs to be detached from the frame 6 after the frame 6 is taken out, the filter screen 10 is pulled to enable the magnetic attraction between the first sliding plate 13 and the second clamping groove 8 to gradually disappear, the first sliding plate 13 can gradually retract into the first cavity 11 of the filter screen 10, and the filter screen 10 can be separated from the frame 6 by continuously pulling the filter screen 10; and when the staff blocked filter screen 10 in the groove to frame 6, filter screen 10 first slide 13 all around can be slided and retract in first cavity 11 by frame 6's inner wall extrusion simultaneously, and filter screen 10 blocks completely when to frame 6 in, filter screen 10 can slide out and block in second draw-in groove 8 in first cavity 11 under the effect of magnetism is inhaled, moreover, the steam generator is simple in operation, thereby can make things convenient for filter screen 10 to dismantle and clear up, and simultaneously, easy to assemble, prevent impurity adhesion on filter screen 10, and prevent that impurity from continuing to adhere between the contained angle of filter screen 10 and frame 6, make filter screen 10 can in time clear up, the life of filter screen 10 is prolonged, thereby can increase the life of stop valve

Example two: compared with the first embodiment, the second embodiment is different in that: referring to fig. 4 and 5, both ends of the filter screen 10 are slidably connected with second sliding plates 14, a second cavity 12 for the second sliding plates 14 to slide is formed in the filter screen 10, a pushing spring 15 is abutted between the bottom wall of the second cavity 12 and the second sliding plates 14, and a third clamping groove 9 for the second sliding plates 14 to be clamped is formed in the frame 6; a limiting sleeve is sleeved on the outer side of the pushing spring 15 and comprises a first limiting sleeve and a second limiting sleeve which is in sliding connection with the first limiting sleeve, one end of the first limiting sleeve is bonded on the second sliding plate 14, the other end of the first limiting sleeve is inserted into the second limiting sleeve, the other end of the second limiting sleeve is bonded on the inner wall of the second cavity 12, the limiting sleeve is arranged to prevent the pushing spring 15 from being bent and broken when being extruded and extended, thereby prolonging the service life of the pushing spring 15, keeping the whole length of the stop collar consistent with the inner diameter width of the second cavity 12, and the width of the second sliding plate 14 can be half of the length of the stop collar, when the second slide plate 14 is retracted into the second cavity 12, the first stop collar slides inside the second stop collar, and the first stop collar slides out of the second stop collar only when the second slide plate 14 is snapped into, for example, the third snap groove 9.

When a worker pulls the frame 6 out of the valve body 1, the filter screen 10 adhered with excessive impurities needs to be detached from the frame 6, at the moment, the filter screen 10 is pressed to enable the second sliding plates 14 at two ends of the filter screen 10 to be retracted into the second cavity 12 under the action of external force and simultaneously extrude the pushing spring 15 in the second cavity 12, the filter screen 10 is continuously pulled to enable the second sliding plates 14 to be separated from the third clamping groove 9, so that the filter screen 10 is gradually separated from the frame 6, and at the moment, the worker can conveniently clean the impurities on the filter screen 10 and then install the filter screen 10 back into the frame 6; when installing filter screen 10 in the frame 6, at first align second slide 14 with the third draw-in groove 9 of frame 6 at both ends of filter screen 10, extrude second slide 14 simultaneously and make second slide 14 slide in to the second cavity 12 of filter screen 10, push away spring 15 this moment and be in by compression state, and filter screen 10 and frame 6's groove clearance fit, block filter screen 10 again in to frame 6, second slide 14 can pop out under the spring action that pushes away spring 15 and third draw-in groove 9 looks block, thereby realize being connected of filter screen 10 and frame 6, easy operation makes things convenient for the dismouting of filter screen 10.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a resistant high low temperature, withstand voltage air conditioner stop valve, includes valve body (1), the inside of valve body (1) is provided with inlet channel (4) and outlet channel (5), inlet channel (4) communicate with each other its characterized in that with outlet channel (5): the inside of inlet channel (4) is provided with filter assembly, filter assembly includes frame (6) and sets up multilayer filter screen (10) on frame (6), each layer the mesh aperture of filter screen (10) diminishes in proper order toward the play water direction by the direction of intaking, and is adjacent filter screen (10) are the interval setting, frame (6) and the inner wall joint of inlet channel (4), each layer filter screen (10) all can dismantle with frame (6) and be connected.

2. A high and low temperature resistant and pressure resistant air conditioner stop valve as claimed in claim 1, characterized in that: the frame (6) are close to the one end of inlet channel (4) inner wall and are provided with a plurality of elastic blocks (7), set up a plurality of first draw-in grooves that supply elastic block (7) card to go into on the inner wall of inlet channel (4), elastic block (7) and first draw-in groove clearance fit.

3. A high and low temperature resistant and pressure resistant air conditioner stop valve according to claim 2, characterized in that: the elastic block (7) is arranged in a hemispherical shape.

4. A high and low temperature resistant and pressure resistant air conditioner stop valve as claimed in claim 1, characterized in that: equal sliding connection all around of filter screen (10) has a plurality of first slide (13), first cavity (11) that supply first slide (13) retraction are seted up to the inside of filter screen (10), second draw-in groove (8) that supply first slide (13) card to go into are seted up to the inside of frame (6), first slide (13) are gone into to second draw-in groove (8) through magnetism card.

5. A high and low temperature resistant and pressure resistant air conditioner stop valve as claimed in claim 1, characterized in that: the equal sliding connection in both ends of filter screen (10) has second slide (14), confession second slide (14) gliding second cavity (12) have been seted up to the inside of filter screen (10), be provided with between the diapire of second cavity (12) and second slide (14) and push away spring (15), third draw-in groove (9) that confession second slide (14) card was gone into are seted up to the inside of frame (6).

6. A high and low temperature resistant and pressure resistant air conditioner stop valve as claimed in claim 5, characterized in that: the outside cover that pushes away spring (15) is equipped with the stop collar, the stop collar includes first stop collar and the second stop collar with first stop collar sliding connection.

7. A high and low temperature resistant and pressure resistant air conditioner stop valve as claimed in claim 1, characterized in that: the valve is characterized by further comprising a valve cover (2) and a hand wheel (3), wherein a sealing gasket is arranged between the valve body (1) and the valve cover (2).