CN211175540U

CN211175540U - Stop valve for air conditioner and air conditioner

Info

Publication number: CN211175540U
Application number: CN201922100602.5U
Authority: CN
Inventors: 李世勇
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-04
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses an idle call stop valve and air conditioner, wherein, idle call stop valve includes valve body and case, and the valve body has case hole, first runner and second runner, and first runner and second runner supply the refrigerant circulation, and case movable assembly is downthehole with the case to change the break-make state between first runner and the second runner, be equipped with on the valve body with the takeover of second runner intercommunication, be equipped with in the takeover and filter. The utility model discloses technical scheme can reduce the inside solder joint of air conditioner and interface, improves the installation effectiveness to reduce cost.

Description

Stop valve for air conditioner and air conditioner

Technical Field

The utility model relates to the technical field of household appliances, in particular to stop valve and air conditioner for idle call.

Background

The shutoff valve for the air conditioner plays a role in closing or opening a refrigerant circuit, vacuumizing or filling refrigerant in the air conditioner. In the related art, in order to prevent external impurities from entering an internal circulation system through an external connection component such as a stop valve for an air conditioner, separate filters are generally added to a pipeline close to the stop valve for the air conditioner, and the filters are generally separately produced and then welded to an internal pipeline of a refrigeration system, so that welding spots and interfaces are added, and the installation efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an idle call stop valve aims at improving the installation effectiveness of air conditioner.

In order to achieve the above object, the utility model provides an idle call stop valve, including valve body and case, the valve body has case hole, first runner and second runner supply the refrigerant circulation, case movable assembly in the case is downthehole, in order to change first runner with break-make state between the second runner, be equipped with on the valve body with the takeover of second runner intercommunication, be equipped with in the takeover and filter.

In one embodiment, the filter element is removably fitted to the adapter.

In an embodiment, the inner wall ring of takeover is equipped with fixed annular, filter includes filter screen and solid fixed ring, the periphery of filter screen is fixed in gu fixed ring, gu fixed ring joint is fixed in gu fixed annular.

In one embodiment, the fixing ring groove is concavely arranged on the inner wall of the adapter tube; or two annular convex ribs are arranged on the inner wall of the connecting pipe at intervals, and the fixed ring groove is limited between the two annular convex ribs.

In one embodiment, the inner wall interval of takeover is equipped with two rings of spacing bumps, filter includes filter screen and solid fixed ring, the periphery of filter screen is fixed in gu fixed ring, gu fixed ring is spacing in between two rings of spacing bumps.

In one embodiment, the connecting pipe comprises a main pipe section and a pipe orifice section which are connected, the inner diameter of the pipe orifice section is larger than that of the main pipe section, so that a limiting step is formed at the joint of the pipe orifice section and the main pipe section, and a circle of limiting salient points which are arranged at intervals of the limiting step are further arranged in the pipe orifice section; the filter piece comprises a filter screen and a fixing ring, the periphery of the filter screen is fixed on the fixing ring, and the fixing ring is limited between the limit step and the circle of limit salient points.

In one embodiment, the filter screen is arranged as a net bag.

In one embodiment, another filter element is disposed within the first flow path.

In an embodiment, the valve body is further provided with a filling hole communicated with the first flow passage and/or the second flow passage, and a filling valve is arranged in the filling hole.

The utility model also provides an air conditioner, including indoor set, off-premises station and as above any one in all schemes idle call stop valve, idle call stop valve connects the indoor set with the off-premises station, idle call stop valve includes valve body and case, the valve body has case hole, first runner and second runner supply the refrigerant circulation, the case activity assemble in the case hole is downthehole, in order to change first runner with break-make state between the second runner, be equipped with on the valve body with the takeover of second runner intercommunication, be equipped with filtering piece in the takeover.

The utility model discloses technical scheme filters the piece through adopting to set up in taking over, makes the idle call stop valve from taking filtering capability, utilizes to filter the impurity that filters the installation of air conditioner, in the operation process, blocks impurity and gets into refrigerating system from the air conditioner outside, keeps refrigerating system's cleanliness, has solved the problem that needs weld the filter alone again in the air conditioner among the correlation technique, has reduced the inside solder joint of air conditioner and has improved the installation effectiveness to the interface, has still reduced the welding cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a stop valve for an air conditioner according to the present invention;

fig. 2 is a schematic view of another perspective structure of an embodiment of the stop valve for an air conditioner according to the present invention;

fig. 3 is a schematic sectional view of another embodiment of the stop valve for an air conditioner according to the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Valve body	300	Connecting pipe
110	Filling hole	310	Fixed ring groove
				120	First flow channel	400	Filter element
130	Second flow channel	410	Fixing ring
				200	Valve core

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an idle call stop valve.

In the embodiment of the present invention, as shown in fig. 1 to 3, the stop valve for an air conditioner includes a valve body 100 and a valve core 200, the valve body 100 has a valve core 200 hole, a first flow channel 120 and a second flow channel 130, the first flow channel 120 and the second flow channel 130 provide for the circulation of a refrigerant, the valve core 200 is movably assembled in the valve core 200 hole, the on-off state between the first flow channel 120 and the second flow channel 130 is changed by changing the position of the valve core 200 in the valve core 200 hole, when the valve core 200 blocks the first flow channel 120 and the second flow channel 130, the refrigerant cannot circulate between the first flow channel 120 and the second flow channel 130, and when the position of the valve core 200 changes to communicate the first flow channel 120 with the second flow channel 130, the refrigerant can circulate between the first flow channel 120 and the second flow channel 130; the valve body 100 is provided with a connection pipe 300 connected to the second flow passage 130, the connection pipe 300 is used to connect the shut-off valve to the air conditioner, a filter 400 is provided in the connection pipe 300, and the filter 400 is used to block impurities that may enter the interior of the refrigeration system through the connection pipe 300.

The utility model discloses technical scheme is through adopting to set up in taking over 300 and filtering piece 400, make the idle call stop valve from taking filtering capability, utilize and filter the installation of 400 filtration air conditioners, the impurity in the operation process, block probably getting into the inside impurity of refrigerating system through taking over 300 from the air conditioner outside, keep refrigerating system's cleanliness, the problem that needs weld the filter alone again in the air conditioner among the correlation technique has been solved, the inside solder joint and the interface of air conditioner have been reduced, the installation effectiveness has been improved, the welding cost has still been reduced.

When the stop valve for the air conditioner is applied to a split air conditioner, the stop valve for the air conditioner has the functions of connecting an outdoor unit and an indoor unit, closing or opening a refrigerant loop, vacuumizing or filling refrigerant. Specifically, the first flow channel 120 is communicated with the indoor unit, the connection pipe 300 and the second flow channel 130 are communicated with the outdoor unit, and the on-off state between the first flow channel 120 and the second flow channel 130 can be adjusted by changing the position of the valve core 200 in the hole of the valve core 200, so that the flow state of the refrigerant between the indoor unit and the outdoor unit can be controlled by using the stop valve in the process of assembling and disassembling the indoor unit and the outdoor unit of the split air conditioner, that is, the first flow channel 120 and the second flow channel 130 can be blocked by using the stop valve before the indoor unit and the outdoor unit are assembled, so that the refrigerant does not flow between the indoor unit and the outdoor unit, and the waste of the refrigerant is reduced. After the indoor unit and the outdoor unit are assembled, the filter element 400 is arranged in the connecting pipe 300, so that the filter element 400 can play a role in filtering in the connecting pipe 300 in the use process of the air conditioner, impurities are prevented from entering the interior of the refrigeration system, the cleanliness of the interior of the refrigeration system is kept, core parts of the outdoor unit are protected, a compressor, a throttle valve and the like are protected, and the normal operation of the air conditioner is guaranteed.

In some embodiments, the filter 400 is detachably assembled with the adapter 300. After the air conditioner is used for a period of time, impurities may accumulate on the filtering member 400, and the filtering member 400 can be cleaned or replaced by detaching the filtering member 400 from the connection pipe 300, so that the filtering member 400 is prevented from being blocked due to the fact that the filtering member 400 cannot be cleaned or replaced for a long time, or the filtering member 400 is prevented from being contaminated by the impurities and seeps into a refrigerating system to affect the normal operation of the air conditioner. And, when filtering piece 400 damages, through dismantling damaged filtering piece 400 and change new filtering piece 400, can continue to use idle call stop valve to the life of extension idle call stop valve, reduce cost reduces extravagantly.

In some embodiments, the filter 400 includes a filter net and a fixing ring 410, the periphery of the filter net is fixed to the fixing ring 410, and the filter net is assembled with the adapter 300 through the fixing ring 410, it can be understood that the fixing ring 410 is rigid relative to the filter net, and the filter net is assembled on the adapter 300 by using the fixing ring 410, so that the filter net is more conveniently installed, the filter net is not easily separated from the fixing ring groove 310, and the filter net is not easily damaged, thereby not only improving the installation efficiency, but also prolonging the service life of the filter net.

In an embodiment, the inner wall of the adapter tube 300 is provided with a fixing ring groove 310, the filter 400 includes a filter screen and a fixing ring 410, the periphery of the filter screen is fixed to the fixing ring 410, the fixing ring 410 is clamped and fixed to the fixing ring groove 310, the fixing ring 410 is clamped and connected to the fixing ring groove 310, the filter 400 and the adapter tube 300 can be detachably assembled by clamping the fixing ring groove 310 to the fixing ring 410, and the fixing ring groove 310 is easy and convenient to process and convenient to mount in a clamping manner.

In an embodiment, the fixing ring groove 310 is concavely disposed on the inner wall of the connection tube 300, so that the detachable assembly of the filter 400 and the connection tube 300 is achieved without occupying the space in the connection tube 300, thereby reducing the influence of the installation of the filter 400 on the refrigerant circulation process.

In another embodiment, two annular ribs are spaced apart from each other on the inner wall of the connection pipe 300, and the fixing ring groove 310 is limited between the two annular ribs, so as to avoid damaging the structure of the connection pipe 300 itself, so that the connection pipe 300 is more stable in structure and less prone to damage, and further the service life is prolonged. And moreover, the two annular convex ribs enable the circumferential positions of the filter screen to be more uniformly distributed by supporting force, so that the filter screen is more stably assembled. In addition, the filter screen is not easy to deform due to uneven stress, so that the filter screen can better play a role in filtering.

In other embodiments, the number of the annular ribs may be three, four or more, the filter 400 may be clamped in the gap between any two adjacent annular ribs, so that the operator may adjust the installation position of the filter 400 in the adapter tube 300 according to actual requirements, and the gap between any two adjacent annular ribs may be provided with the filter 400, that is, the adapter tube 300 may be simultaneously provided with two, three or more filter 400, so as to enhance the filtering effect, and further reduce the probability of impurities entering the refrigeration system from the adapter tube 300.

In an embodiment, two circles of limiting protrusions (not shown) are disposed on the inner wall of the connection tube 300, the filter 400 includes a filter net and a fixing ring 410, the periphery of the filter net is fixed to the fixing ring 410, and the fixing ring 410 is limited between the two circles of limiting protrusions, so as to reduce the space occupied by the installation filter 400 in the connection tube 300, and further reduce the influence of the installation filter 400 on the refrigerant circulation.

In an embodiment, the connection pipe 300 includes a main pipe section and a pipe opening section, the inner diameter of the pipe opening section is greater than the inner diameter of the main pipe section, so that a limit step is formed at the joint of the pipe opening section and the main pipe section, a circle of limit bumps arranged at intervals are further arranged in the pipe opening section, the filter element 400 includes a filter screen and a fixing ring 410, the periphery of the filter screen is fixed on the fixing ring 410, the fixing ring 410 is limited between the limit step and the circle of limit bumps, on one hand, the detachable assembly between the filter element 400 and the connection pipe 300 can be realized, on the other hand, the arrangement of annular convex ribs or the limit bumps inside the connection pipe 300 can be reduced, the structure of.

In one embodiment, the inner wall of the adapter tube 300 is provided with a plurality of grooves extending along the length direction of the adapter tube 300, the cross section of each groove is in a T shape or a dovetail shape, and the width of the bottom of each groove is larger than the width of the notch of each groove, so that a part with the shape and size matched with that of each groove is difficult to separate from each groove from the notch after being clamped in the groove; filter 400 includes filter screen and a plurality of stopper, and a plurality of stoppers are fixed at the periphery of filter screen, and the shape, size, quantity and the position of stopper match with the shape, size, quantity and the position of recess for be difficult to break away from the recess behind stopper and the recess joint, thereby make refrigerant circulation in-process filter 400 be difficult to take place to remove in taking over 300, and then make filter 400 filter better. During the assembly process, the limiting block is inserted into one end of the groove from the port of the adapter tube 300 and slides into the other end of the groove along the extending direction of the groove. Wherein, the extension length of the groove can be adjusted according to the length of the adapter tube 300 and the installation position of the filter 400.

In an embodiment, the filter element 400 is a net bag, and the net bag is utilized to filter in the connecting tube 300, so that on one hand, the filtering area can be increased, and on the premise that the filter element 400 plays a role in filtering, the obstruction of the filter element 400 to the refrigerant circulation is reduced; on the other hand, dismantle the in-process that gets off to clear up or change with filtering piece 400, the string bag can take more impurity out to reduce the in-process of dismantling and filtering piece 400, filter the probability that the impurity on 400 dropped to takeover 300, further reduce the probability that refrigerating system is polluted by impurity, thereby make the air conditioner better operate. In other embodiments, the filter member 400 may be provided in a multi-layered mesh structure, so that the filtering effect may be enhanced.

In an embodiment, another filtering member 400 is disposed in the first flow channel 120, and when the first flow channel 120 is communicated with the second flow channel 130, the filtering member 400 disposed in the first flow channel 120 can filter the circulating refrigerant, so as to further reduce the probability of the outdoor unit refrigeration system being contaminated by impurities, and enable the air conditioner to operate better.

In an embodiment, the valve body 100 is further provided with a filling hole 110, the filling hole 110 is communicated with the first flow passage 120 and the second flow passage 130, or the filling hole 110 is communicated with one of the first flow passage 120 and the second flow passage 130, and when the refrigerant is insufficient, the refrigerant is filled through the filling hole 110.

In one embodiment, the filter screen is disposed perpendicular to the inner wall of the adapter 300, i.e., the filter screen is located on the cross section of the adapter 300. With the inner wall setting of filter screen perpendicular to takeover 300, compare in the inner wall setting of cutting the filter screen to take over 300 for the assembly between filter screen and the takeover 300 is more stable, and the filter screen is difficult to slide in takeover 300. For example, when the filter screen is inclined to the inner wall of the connection pipe 300, the friction force generated by the inner wall of the connection pipe 300 to the filter screen to prevent the filter screen from sliding down is divided into two component forces which are perpendicular to the filter screen and parallel to the filter screen, and when the filter screen is arranged perpendicular to the inner wall of the connection pipe 300, the friction force generated by the inner wall of the connection pipe 300 to the filter screen to prevent the filter screen from sliding down is completely applied to the direction perpendicular to the filter screen, so that the filter screen is not easy to slide down.

The utility model also provides an air conditioner, this air conditioner include indoor set, off-premises station and idle call stop valve, and the specific structure of this idle call stop valve refers to above-mentioned embodiment, because this air conditioner has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The stop valve for an air conditioner is connected to both the indoor unit and the outdoor unit, and specifically, the first flow channel 120 is connected to the indoor unit, and the connection pipe 300 and the second flow channel 130 are connected to the outdoor unit.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The stop valve for the air conditioner is characterized by comprising a valve body and a valve core, wherein the valve body is provided with a valve core hole, a first flow channel and a second flow channel, the first flow channel and the second flow channel are used for refrigerant circulation, the valve core is movably assembled in the valve core hole so as to change the on-off state between the first flow channel and the second flow channel, a connecting pipe communicated with the second flow channel is arranged on the valve body, and a filtering piece is arranged in the connecting pipe.

2. An air conditioning shutoff valve as defined in claim 1 wherein said filter member is detachably fitted to said adapter tube.

3. The stop valve for air conditioner as claimed in claim 2, wherein the inner wall ring of the adapter tube is provided with a fixing ring groove, the filter member includes a filter net and a fixing ring, the periphery of the filter net is fixed to the fixing ring, and the fixing ring is snap-fitted to the fixing ring groove.

4. The shutoff valve for air conditioner according to claim 3, wherein said fixing ring groove is recessed in an inner wall of said nozzle; or two annular convex ribs are arranged on the inner wall of the connecting pipe at intervals, and the fixed ring groove is limited between the two annular convex ribs.

5. The stop valve for air conditioner as claimed in claim 2, wherein the inner wall of the adapter is spaced apart by two rings of limit protrusions, the filter member includes a filter net and a fixing ring, the periphery of the filter net is fixed to the fixing ring, and the fixing ring is limited between the two rings of limit protrusions.

6. The stop valve for air conditioner as claimed in claim 2, wherein said connection pipe comprises a main pipe section and a pipe orifice section which are connected, the inner diameter of said pipe orifice section is larger than the inner diameter of said main pipe section, so as to form a limit step at the connection of said pipe orifice section and said main pipe section, and a circle of limit salient points which are arranged at intervals of said limit step are further arranged in said pipe orifice section;

the filter piece comprises a filter screen and a fixing ring, the periphery of the filter screen is fixed on the fixing ring, and the fixing ring is limited between the limit step and the circle of limit salient points.

7. The stop valve for air conditioner according to claim 6, wherein said filter net is provided as a string bag.

8. An air conditioning shutoff valve as defined in claim 1 wherein a further filter is provided in said first flow passage.

9. The air conditioner stop valve as claimed in any one of claims 1 to 8, wherein a filling hole communicating with the first flow passage and/or the second flow passage is further provided in the valve body, and a filling valve is provided in the filling hole.

10. An air conditioner characterized by comprising an indoor unit, an outdoor unit, and the air conditioning shutoff valve of any one of claims 1 to 9, which connects the indoor unit and the outdoor unit.