CN203443188U - Air conditioner and short pipe throttle valve thereof - Google Patents
Air conditioner and short pipe throttle valve thereof Download PDFInfo
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- CN203443188U CN203443188U CN201320551186.0U CN201320551186U CN203443188U CN 203443188 U CN203443188 U CN 203443188U CN 201320551186 U CN201320551186 U CN 201320551186U CN 203443188 U CN203443188 U CN 203443188U
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- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 abstract description 16
- 230000002457 bidirectional effect Effects 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 52
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an air conditioner and short pipe throttle valve thereof, short pipe throttle valve includes: a valve body having a flow-through passage; the valve comprises a first stop block, a valve seat and a second stop block which are fixedly connected with the inner wall of the valve body in a sealing way, wherein the first stop block is provided with a first channel, and the second stop block is provided with a second channel; the main valve core is sleeved in the valve seat in a sealing mode and can axially slide along the flow passage, the main valve core is provided with a main throttling channel communicated with the second passage and a containing cavity communicated with the main throttling channel, and two ends of the main valve core can be connected with the end face of the first stop block and the end face of the second stop block in a sealing mode respectively; the auxiliary valve core is provided with an auxiliary throttling channel and a shunting through groove, the auxiliary valve core can axially slide along the circulating channel so as to realize that the main throttling channel is communicated with the first channel through the auxiliary throttling channel when the auxiliary valve core is abutted against the accommodating groove, and the main throttling channel is communicated with the first channel through the shunting through groove when the auxiliary valve core is separated from the accommodating groove. The short pipe throttle valve realizes bidirectional throttling and can be applied to a cooling and heating type air conditioner.
Description
Technical field
The utility model relates to air-conditioner throttling technology field, more particularly, relates to a kind of air-conditioner and short-tube throttle valve thereof.
Background technology
Along with the development of air conditioner industry, the competitive pressure of air conditioner industry is increasing, needs to reduce the production cost of air-conditioner.Along with the rise of copper valency, reduce the use amount of copper in air-conditioner, can reduce the production cost of air-conditioner.At present, in air-conditioner, refrigerant runner pipe and capillary etc. all need to use copper pipe.Because short-tube throttle valve has the advantages such as cost is low, throttling performance is strong, adjustable range is large, adopt short-tube throttle valve to replace mode capillaceous to be widely used gradually.
But current short-tube throttle valve is through type half-duplex channel, can only be applied to single-cooling type air-conditioner, cannot realize bidirectional throttle, and then cannot be applied to refrigerating and heating type air-conditioner.
In addition, current short-tube throttle valve is through type, and the noise producing during throttling is larger, and the phenomenon of easily uttering long and high-pitched sounds affects the serviceability of air-conditioner.
In sum, how providing a kind of short-tube throttle valve, to achieve bidirectional throttle, and then can be applied to refrigerating and heating type air-conditioner, is current those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of short-tube throttle valve, to achieve bidirectional throttle, and then can be applied to refrigerating and heating type air-conditioner.Another object of the present utility model is to provide a kind of air-conditioner with above-mentioned short-tube throttle valve.
To achieve these goals, the utility model provides following technical scheme:
, comprising: the valve body with circulation passage; Be positioned at successively described valve body, all, with inner wall sealing and the first block being fixedly linked, valve seat and second block of described valve body, described the first block is provided with first passage, and described the second block is provided with second channel; This short-tube throttle valve also comprises:
In sealing, be placed on described valve seat and can be along the main valve plug in axial sliding of described circulation passage, the container cavity that described main valve plug is provided with main throttling passage and is communicated with described main throttling passage, described main throttling passage is communicated with described second channel, and one end of described main valve plug can be connected with the end face seal of described the first block, the other end of described main valve plug can be connected with the end face seal of described the second block;
Be positioned at described container cavity and there is chromaffin body circulation road and the auxiliary valve core of minute circulation groove, described auxiliary valve core can endwisely slipping along described circulation passage, while offseting to realize described auxiliary valve core and described holding tank, described main throttling passage is communicated with by described chromaffin body circulation road with described first passage, and described auxiliary valve core is when separated with described holding tank, described main throttling passage is communicated with by described minute circulation groove with described first passage.
Preferably, in above-mentioned short-tube throttle valve, described minute circulation groove extending axially along described auxiliary valve core.
Preferably, in above-mentioned short-tube throttle valve, the number of described minute circulation groove is at least two, and described minute circulation groove is uniformly distributed on the sidewall of described auxiliary valve core along hoop.
Preferably, in above-mentioned short-tube throttle valve, described the first block is provided with: along the first blind hole of described circulation passage extension, run through the first tap hole of described the first blind hole sidewall; Wherein, described the first tap hole and described the first blind hole form described first passage, and the number of described the first tap hole is at least two and be all positioned at described the first block away from one end of described valve seat.
Preferably, in above-mentioned short-tube throttle valve, described the first tap hole is uniformly distributed on the sidewall of described the first block along hoop.
Preferably, in above-mentioned short-tube throttle valve, described the second block is provided with: second blind hole of extending along described circulation passage, the second tap hole that runs through described the second blind hole sidewall, described the second tap hole and described the second blind hole form described second channel, and the number of described the second tap hole is at least two and be all positioned at described the second block away from one end of described valve seat.
Preferably, in above-mentioned short-tube throttle valve, described the second tap hole is uniformly distributed on the sidewall of described the second block along hoop.
Preferably, in above-mentioned short-tube throttle valve, the spacing of described the first block and described valve seat, and described the second block equates with the spacing of described valve seat.
Preferably, in above-mentioned short-tube throttle valve, on the inwall of described valve body, be provided with annular protrusion, described the first block, described valve seat and described the second block are fixedly linked by annular protrusion and described valve seal respectively, and described annular protrusion is arranged on described valve body.
Preferably, in above-mentioned short-tube throttle valve, the two ends of the sidewall of described main valve plug all have the conical surface, and the described conical surface from the end face of described main valve plug the middle part flaring to described main valve plug.
Preferably, in above-mentioned short-tube throttle valve, described valve body and described valve seat are all cylindrical, and described main valve plug and described auxiliary valve core are all cylindric.
Preferably, in above-mentioned short-tube throttle valve, the axis conllinear of the axis of the axis of described main throttling passage, described chromaffin body circulation road, the axis of described the first block and described the second block.
Based on the above-mentioned short-tube throttle valve providing, the utility model also provides a kind of air-conditioner, and this air-conditioner has above-mentioned short-tube throttle valve.
The operation principle of the short-tube throttle valve that the utility model provides is:
The refrigerant passage that circulates from one end of valve body, through the first passage of the first block, enter the middle part of valve body, main valve plug is endwisely slipping along circulation passage under refrigerant pressure-acting, until the end face of the end of main valve plug and the second block is close to, realization is tightly connected, simultaneously, auxiliary valve core is also in refrigerant pressure-acting lower slider, until the holding tank of auxiliary valve core and main valve plug offsets, the diapire that divides circulation groove to be received groove of auxiliary valve core blocks, refrigerant is successively by the chromaffin body circulation road of auxiliary valve core and the main throttling passage of main valve plug, the throttling of realization to refrigerant, last refrigerant flows out from the second channel of the second block, completed throttling (chromaffin body circulation road and main throttling passage have all played throttling action),
Refrigerant is from the other end of the valve body passage that circulates, second channel through the second block enters valve body middle part, main valve plug is endwisely slipping along circulation passage under refrigerant pressure-acting, until the end face of the end of main valve plug and the first block is close to, realization is tightly connected, simultaneously, auxiliary valve core is also under refrigerant pressure-acting, auxiliary valve core is separated with the holding tank of main valve plug, divide circulation groove and chromaffin body circulation road to be negotiable, but because minute circulation groove is less compared with the circulating resistance of chromaffin body circulation road, refrigerant selects to flow through a minute circulation groove, therefore refrigerant is by the main throttling passage of main valve plug, the throttling of realization to refrigerant, complete after throttling, refrigerant flows out from minute circulation groove of auxiliary valve core, finally from the first passage of the first block, flow out valve body, completed reverse throttling (only having main throttling passage all to play throttling action).
From above-mentioned operation principle, the short-tube throttle valve that the utility model provides, can be along main valve plug in axial sliding and the auxiliary valve core of circulation passage by arrange two in valve body, realized bidirectional throttle, and then can be in refrigerating state throttling, also can, heating state throttling, can be applied to refrigerating and heating type air-conditioner.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the short-tube throttle valve that Fig. 1 provides for the utility model embodiment;
The cutaway view when short-tube throttle valve that Fig. 2 provides for the utility model embodiment is applied to air-conditioner refrigerating state;
The cutaway view when short-tube throttle valve that Fig. 3 provides for the utility model embodiment is applied to air conditioner heat-production state;
The cutaway view of main valve plug in the short-tube throttle valve that Fig. 4 provides for the utility model embodiment;
The structural representation of auxiliary valve core in the short-tube throttle valve that Fig. 5 provides for the utility model embodiment;
The structural representation of the first block in the short-tube throttle valve that Fig. 6 provides for the utility model embodiment;
The cutaway view of the first block in the short-tube throttle valve that Fig. 7 provides for the utility model embodiment;
The structural representation of the second block in the short-tube throttle valve that Fig. 8 provides for the utility model embodiment;
The cutaway view of the second block in the short-tube throttle valve that Fig. 9 provides for the utility model embodiment.
In upper Fig. 1-9:
1 is that valve body, 11 is that annular protrusion, 2 is that valve seat, 3 is that the second block, 31 is that the second blind hole, 32 is that the second tap hole, 4 is that the first block, 41 is that the first blind hole, 42 is that the first tap hole, 5 is that main valve plug, 51 is that main throttling passage, 52 is that container cavity, 53 is that the conical surface, 6 is that auxiliary valve core, 61 is that chromaffin body circulation road, 62 is to divide a circulation groove.
The specific embodiment
The utility model embodiment provides a kind of short-tube throttle valve, has achieved bidirectional throttle, and then can be applied to refrigerating and heating type air-conditioner.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The short-tube throttle valve that the utility model embodiment provides, comprising: the valve body 1 with circulation passage; Be positioned at successively valve body 1, be all provided with first passage with the inner wall sealing of valve body 1 and the first block 4 being fixedly linked, valve seat 2 and the second block 3, the first blocks 4, the second block 3 is provided with second channel; In sealing, be placed on valve seat 2 and can be along the main valve plug in axial sliding 5 of circulation passage, the container cavity 52 that this main valve plug 5 is provided with main throttling passage 51 and is communicated with main throttling passage 51, main throttling passage 51 is communicated with second channel, and one end of main valve plug 5 can be connected with the end face seal of the first block 4, the other end of main valve plug 5 can be connected with the end face seal of the second block 3; Be positioned at container cavity 52 and there is chromaffin body circulation road 61 and the auxiliary valve core 6 of minute circulation groove 62, this auxiliary valve core 6 can endwisely slipping along circulation passage, while offseting to realize auxiliary valve core 6 and holding tank 52, main throttling passage 51 is communicated with by chromaffin body circulation road 61 with first passage, and auxiliary valve core 6 is when separated with holding tank 52, main throttling passage 51 is communicated with by a minute circulation groove 62 with first passage.
It should be noted that, main valve plug 5 can endwisely slipping along circulation passage, need the spacing of the first block 4 and the second block 3 to be greater than the length of main valve plug 5, the spacing of the first block 4 and the second block 3 refers to, the first block 4 is the distance near the end face of valve seat 2 near tip to face distance second block 3 of valve seat 2.Auxiliary valve core 6 offsets with holding tank 52, refers to that auxiliary valve core 6 and the diapire of holding tank 52 offset; Auxiliary valve core 6 is separated with holding tank 52, refers to that auxiliary valve core 6 is separated with the diapire of holding tank 52.Wherein, the diapire of holding tank 52 refers to the cell wall that holding tank 52 is connected with main throttling passage 51.In main valve plug 5 sealings, be placed on valve seat 2, refer to, in main valve plug 5, be placed on valve seat 2 and main valve plug 5 and valve seat 2 and be tightly connected.
The operation principle of the short-tube throttle valve that the utility model embodiment provides is:
The refrigerant passage that circulates from one end of valve body 1, through the first passage of the first block 4, enter the middle part of valve body 1, main valve plug 5 is endwisely slipping along circulation passage under refrigerant pressure-acting, until the end face of the end of main valve plug 5 and the second block 3 is close to, realization is tightly connected, simultaneously, auxiliary valve core 6 is also in refrigerant pressure-acting lower slider, until auxiliary valve core 6 offsets with the holding tank 52 of main valve plug 5, the diapire that divides circulation groove 62 to be received groove 52 of auxiliary valve core 6 blocks, refrigerant is successively by the chromaffin body circulation road 61 of auxiliary valve core 6 and the main throttling passage 51 of main valve plug 5, the throttling of realization to refrigerant, last refrigerant flows out from the second channel of the second block 3, (chromaffin body circulation road 61 and main throttling passage 51 have all played throttling action to have completed throttling, throttling when this is air-conditioner refrigerating state, as shown in Figure 2),
Refrigerant is from the other end of valve body 1 passage that circulates, second channel through the second block 3 enters valve body 1 middle part, main valve plug 5 is pressure-acting the endwisely slipping along circulation passage of refrigerant, until the end face of the end of main valve plug 5 and the first block 4 is close to, realization is tightly connected, simultaneously, auxiliary valve core 6 is also under refrigerant pressure-acting, auxiliary valve core 6 is separated with the holding tank 52 of main valve plug 5, divide circulation groove 62 and chromaffin body circulation road 61 to be negotiable, but because minute circulation groove 62 is less compared with the circulating resistance of chromaffin body circulation road 61, refrigerant selects to flow through minute circulation groove 62, therefore refrigerant is by the main throttling passage 51 of main valve plug 5, the throttling of realization to refrigerant, complete after throttling, refrigerant flows out from minute circulation groove 62 of auxiliary valve core 6, finally from the first passage of the first block 4, flow out valve body 1, having completed reverse throttling (only has main throttling passage 51 all to play throttling action, this is the throttling while heating state, as shown in Figure 3).
From above-mentioned operation principle, the short-tube throttle valve that the utility model embodiment provides, by valve body 1 interior arrange two can be along main valve plug in axial sliding 5 and the auxiliary valve core 6 of circulation passage, realized bidirectional throttle, and then can be in refrigerating state throttling, also can, heating state throttling, can be applied to refrigerating and heating type air-conditioner.
Meanwhile, the short-tube throttle valve that the utility model embodiment provides, can realize two kinds of restriction effects, only needs a short-tube throttle valve can meet the throttling requirement of refrigerating and heating type air-conditioner.Because the state of air-conditioner when refrigeration refrigerant and while heating the state of refrigerant different, in the refrigerant capillaceous of flowing through while heating, gaseous coolant is more, so need two kinds of restriction effects.
In the short-tube throttle valve that the utility model embodiment provides, main throttling passage 51 and chromaffin body circulation road 61 can be realized throttling, the cross-sectional area of the cross-sectional area of main throttling passage 51 and chromaffin body circulation road 61, and restriction effect is according to actual needs set; Minute circulation groove 62 is not realized throttling, and just, for refrigerant circulation, the cross-sectional area of minute circulation groove 62 determine according to actual service condition, and in the refrigerant of the short-tube throttle valve of flowing through while heating such as basis, the content of gaseous coolant etc. is set.
Preferably, in the short-tube throttle valve that above-described embodiment provides, minute circulation groove 62 extending axially along auxiliary valve core 6.Like this, make the length of minute circulation groove 62 the shortest, be convenient to flowing of refrigerant.Certainly, the bearing of trend of minute circulation groove 62 also can with auxiliary valve core 6 axially there is angle, the utility model embodiment does not do this particularly and limits.
For the stability that guarantees that refrigerant is mobile, in the short-tube throttle valve that above-described embodiment provides, the number of minute circulation groove 62 is at least two, and a minute circulation groove 62 is uniformly distributed on the sidewall of auxiliary valve core 6, as shown in Figure 5 along hoop.Like this, make flowing of refrigerant more stable, reduce the noise that refrigerant produces in flow process.The number of minute circulation groove 62 is set according to actual concrete condition (heating the content of gaseous coolant in the refrigerant of the short-tube throttle valve of flowing through in process), and the utility model embodiment does not do this particularly and limits.
In order further to optimize technique scheme, in the short-tube throttle valve that above-described embodiment provides, the first block 4 is provided with: along the first blind hole 41 of circulation passage extension, run through the first tap hole 42 of the first blind hole 41 sidewalls; Wherein, the first tap hole 42 and the first blind hole 41 form first passages, and the number of the first tap hole 42 is at least two and be all positioned at the first block 4 away from one end of valve seat 2, as shown in Figure 6 and Figure 7.Like this, refrigerant enters after the circulation passage of valve body 1, through the first tap hole 42, flow to the first blind hole 41, and then the opening through the first blind hole 41 flows out.Adopt after above-mentioned short-tube throttle valve, by the first tap hole 42, changed the flow direction of refrigerant, avoided refrigerant through type first block 4 of flowing through, thereby reduced the noise that refrigerant produces in flow process.
In order further to reduce the noise that refrigerant produces in flow process, in the short-tube throttle valve that above-described embodiment provides, the first tap hole 42 is uniformly distributed on the sidewall of the first block 4 along hoop.Like this, make flowing of refrigerant more stable, further reduced the noise that refrigerant produces in flow process.
In the short-tube throttle valve that above-described embodiment provides, the second block 3 also can adopt the structure of above-mentioned the first block 4, and particularly, the second block 3 is provided with: along the second blind hole 31 of circulation passage extension, run through the second tap hole 32 of the second blind hole 31 sidewalls; Wherein, the second tap hole 32 and the second blind hole 31 form second channels, and the number of the second tap hole 32 is at least two and be all positioned at the second block 3 away from one end of valve seat 2, as shown in Figure 8 and Figure 9.Like this, refrigerant enters after the second blind hole 31, through the second tap hole 32, flows out, and has avoided refrigerant through type second block 3 of flowing through, thereby has reduced the noise that refrigerant produces in flow process.Preferably, the second tap hole 32 is uniformly distributed on the sidewall of the second block 3 along hoop.In order effectively to reduce the noise that refrigerant produces in flow process, preferential second block 3 of selecting is identical with the structure of the first block 4, the first block 4 is provided with the first blind hole 41 and the first tap hole 42, and meanwhile, the second block 3 is provided with the second blind hole 31 and the second tap hole 32.
For the ease of realizing the bidirectional throttle of short-tube throttle valve, in the short-tube throttle valve that above-described embodiment provides, the spacing of the first block 4 and valve seat 2, and the second block 3 equates with the spacing of valve seat 2.Like this, be convenient to guarantee under refrigerant pressure-acting, all can realize being tightly connected of main valve plug 5 and the first block 4 and being tightly connected of main valve plug 5 and the second block 3.Certainly, the spacing of the first block 4 and valve seat 2, also can not wait with the second block 3 and the spacing of valve seat 2, as long as in the time of can guaranteeing refrigerant forward flow, main valve plug 5 can with being tightly connected of the first block 4, during refrigerant reverse flow, main valve plug 5 can with being tightly connected of the second block 3, the utility model embodiment does not do this particularly and limits.
In the short-tube throttle valve that above-described embodiment provides, realizing the first block 4, valve seat 2 and the second block 3 is all fixedly linked and seals with valve body 1 and be connected, there is various ways, for example the first block 4, valve seat 2 and the second block 3 are all fixedly connected with valve body 1 thread seal, or the first block 4, valve seat 2 and the second block 3 are all riveted with valve body 1, then realize sealing etc. by welding.For the ease of manufacturing and installing, preferentially select the first block 4, valve seat 2 and the second block 3 all with valve body 1 interference fit.Concrete, on the inwall of valve body 1, being provided with annular protrusion 11, the first blocks 4, valve seat 2 and the second block 3 and by annular protrusion 11, being connected with valve body 1 fixing seal respectively, annular protrusion 11 is arranged on the inwall of valve body 1, as shown in Figures 2 and 3.Concrete, the first block 4, valve seat 2 and the second block 3 be annular protrusion 11 interference fit respectively, by interference fit, realize sealing and are fixedly linked.Wherein, the number of annular protrusion 11 is three, respectively corresponding the first block 4, valve seat 2 and the second block 3.Certainly, the number of annular protrusion 11 can be greater than three, according to actual concrete condition, determines.
For the ease of realizing being tightly connected of main valve plug 5 and the first block 4 and the second block 3, in the short-tube throttle valve that above-described embodiment provides, the two ends of the sidewall of main valve plug 5 all have the conical surface 53, and the end face of the conical surface 53 autonomous spools 5 is to the middle part flaring of main valve plug 5, as shown in Figure 4.It should be noted that, the end face of the first block 4 and the second block 3 all matches with the sidewall of main valve plug 5, is tightly connected guaranteeing.Certainly, the two ends of the sidewall of main valve plug 5 also can be other shapes, as long as can realize and being tightly connected with the first block 4 and the second block 3.
Preferably, in the short-tube throttle valve that above-described embodiment provides, valve body 1 and valve seat 2 are all cylindrical, and main valve plug 5 and auxiliary valve core 6 are all cylindric, as shown in Figure 1.Like this, be convenient to produce and make, be also convenient to realize being tightly connected between all parts simultaneously.
In order to reduce the size of this short-tube throttle valve, in the short-tube throttle valve that above-described embodiment provides, the axis conllinear of the axis of the axis of main throttling passage 51, chromaffin body circulation road 61, the axis of the first block 4 and the second block 3.Like this, can effectively strengthen the compactedness of short-tube throttle valve, thereby reduce the size of this short-tube throttle valve, also be convenient to flowing of refrigerant simultaneously.
The short-tube throttle valve providing based on above-described embodiment, the utility model embodiment also provides a kind of air-conditioner, and this air-conditioner has the short-tube throttle valve described in above-described embodiment.
The short-tube throttle valve providing due to above-described embodiment has above-mentioned technique effect, and the air-conditioner that the utility model embodiment provides has above-mentioned short-tube throttle valve, and the air-conditioner that the utility model embodiment provides also has corresponding technique effect, repeats no more herein.
In the air-conditioner that the utility model embodiment provides, short-tube throttle valve has replaced position capillaceous, and short-tube throttle valve is arranged on former position capillaceous, concrete, and short-tube throttle valve is positioned on the tube connector that connects indoor set and off-premises station.It should be noted that, this air-conditioner can be single-cooling type air-conditioner, also can be refrigerating and heating type air-conditioner.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (13)
1. a short-tube throttle valve, comprising: the valve body (1) with circulation passage; Be positioned at successively described valve body (1), all with inner wall sealing and the first block (4) being fixedly linked, valve seat (2) and second block (3) of described valve body (1), described the first block (4) is provided with first passage, and described the second block (3) is provided with second channel; It is characterized in that, described short-tube throttle valve also comprises:
In sealing, be placed on described valve seat (2) and can be along the main valve plug in axial sliding (5) of described circulation passage, the container cavity (52) that described main valve plug (5) is provided with main throttling passage (51) and is communicated with described main throttling passage (51), described main throttling passage (51) is communicated with described second channel, and one end of described main valve plug (5) can be connected with the end face seal of described the first block (4), the other end of described main valve plug (5) can be connected with the end face seal of described the second block (3);
Be positioned at described container cavity (52) and there is chromaffin body circulation road (61) and the auxiliary valve core (6) of minute circulation groove (62), described auxiliary valve core (6) can endwisely slipping along described circulation passage, while offseting to realize described auxiliary valve core (6) and described holding tank (52), described main throttling passage (51) is communicated with by described chromaffin body circulation road (61) with described first passage, and described auxiliary valve core (6) is when separated with described holding tank (52), described main throttling passage (51) and described first passage by described minute circulation groove (62) be communicated with.
2. short-tube throttle valve as claimed in claim 1, is characterized in that, described minute circulation groove (62) extending axially along described auxiliary valve core (6).
3. short-tube throttle valve as claimed in claim 1, is characterized in that, described minute circulation groove (62) number be at least two, and described minute circulation groove (62) along hoop, be uniformly distributed on the sidewall of described auxiliary valve core (6).
4. short-tube throttle valve as claimed in claim 1, is characterized in that, described the first block (4) is provided with: along first blind hole (41) of described circulation passage extension, run through first tap hole (42) of described the first blind hole (41) sidewall; Wherein, described the first tap hole (42) and described the first blind hole (41) form described first passage, and the number of described the first tap hole (42) is at least two and be all positioned at described the first block (4) away from one end of described valve seat (2).
5. short-tube throttle valve as claimed in claim 4, is characterized in that, described the first tap hole (42) is uniformly distributed on the sidewall of described the first block (4) along hoop.
6. the short-tube throttle valve as described in claim 1 or 4, is characterized in that, described the second block (3) is provided with: along second blind hole (31) of described circulation passage extension, run through second tap hole (32) of described the second blind hole (31) sidewall; Wherein, described the second tap hole (32) and described the second blind hole (31) form described second channel, and the number of described the second tap hole (32) is at least two and be all positioned at described the second block (3) away from one end of described valve seat (2).
7. short-tube throttle valve as claimed in claim 6, is characterized in that, described the second tap hole (32) is uniformly distributed on the sidewall of described the second block (3) along hoop.
8. short-tube throttle valve as claimed in claim 1, is characterized in that, the spacing of described the first block (4) and described valve seat (2), and described the second block (3) equates with the spacing of described valve seat (2).
9. short-tube throttle valve as claimed in claim 1, it is characterized in that, described the first block (4), described valve seat (2) and described the second block (3) are fixedly linked by annular protrusion (11) and described valve body (1) sealing respectively, and described annular protrusion (11) is arranged on the inwall of described valve body (1).
10. short-tube throttle valve as claimed in claim 1, is characterized in that, the two ends of the sidewall of described main valve plug (5) all have the conical surface (53), and the described conical surface (53) from the end face of described main valve plug (5) the middle part flaring to described main valve plug (5).
11. short-tube throttle valves as claimed in claim 1, is characterized in that, described valve body (1) and described valve seat (2) are all cylindrical, and described main valve plug (5) and described auxiliary valve core (6) are all cylindric.
12. short-tube throttle valves as claimed in claim 1, is characterized in that, the axis conllinear of the axis of the axis of described main throttling passage (51), described chromaffin body circulation road (61), the axis of described the first block (4) and described the second block (3).
13. 1 kinds of air-conditioners, is characterized in that, have the short-tube throttle valve as described in any one in claim 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551186.0U CN203443188U (en) | 2013-09-05 | 2013-09-05 | Air conditioner and short pipe throttle valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551186.0U CN203443188U (en) | 2013-09-05 | 2013-09-05 | Air conditioner and short pipe throttle valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443188U true CN203443188U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320551186.0U Expired - Lifetime CN203443188U (en) | 2013-09-05 | 2013-09-05 | Air conditioner and short pipe throttle valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422211A (en) * | 2013-09-05 | 2015-03-18 | 珠海格力电器股份有限公司 | Air conditioner and short pipe throttle valve thereof |
| CN109520186A (en) * | 2018-12-05 | 2019-03-26 | 格力电器（合肥）有限公司 | Throttle stop valve and air conditioner with same |
-
2013
- 2013-09-05 CN CN201320551186.0U patent/CN203443188U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422211A (en) * | 2013-09-05 | 2015-03-18 | 珠海格力电器股份有限公司 | Air conditioner and short pipe throttle valve thereof |
| CN104422211B (en) * | 2013-09-05 | 2016-08-24 | 珠海格力电器股份有限公司 | Air conditioner and short pipe throttle valve thereof |
| CN109520186A (en) * | 2018-12-05 | 2019-03-26 | 格力电器（合肥）有限公司 | Throttle stop valve and air conditioner with same |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140219 Effective date of abandoning: 20160824 |
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| AV01 | Patent right actively abandoned |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |