CN207395252U - Expansion valve component - Google Patents

Expansion valve component Download PDF

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Publication number
CN207395252U
CN207395252U CN201720775740.1U CN201720775740U CN207395252U CN 207395252 U CN207395252 U CN 207395252U CN 201720775740 U CN201720775740 U CN 201720775740U CN 207395252 U CN207395252 U CN 207395252U
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China
Prior art keywords
connector
wall
section
welded
fixed
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CN201720775740.1U
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Chinese (zh)
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不公告发明人
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Xinchang Four Link Electromechanical Co Ltd
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Xinchang Four Link Electromechanical Co Ltd
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Priority to CN201720775740.1U priority Critical patent/CN207395252U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The utility model discloses a kind of expansion valve component, including the first electric expansion valve, the second electric expansion valve, at least two filter elements, the first connector and the connecting portion of filter element are welded and fixed, first connector outer wall includes multiple first pressure contact portions, the first pressure contact portion and connecting portion inner wall compress set and between form electrolysis or crimp a little；And/or connecting portion inner wall includes multiple second pressure contact portions, the second pressure contact portion and the first connector outer wall compress set and between form electrolysis or crimp a little；Space between first connector outer wall and connecting portion inner wall sets at least part of the first solder portion.The utility model includes the first electric expansion valve, the second electric expansion valve, precision is higher, and first connector and the second connector and filter element/muffler part respective outer side edges, so that filter element, muffler part can not make it be limited to copper material due to Welding Problems, the fixed cost of the first connector and filter element is reduced.

Description

Expansion valve component
Technical field
The utility model is related to refrigerating field, the component being in particular related in air-conditioning system.
Background technology
Expansion valve is that an essential parts, expansion valve primarily serve the effect of reducing pressure by regulating flow in air-conditioning assembly, For the impurity in refrigerator pipes is avoided not enter expansion valve, filter element, but existing sky can be generally set before expansion valve import An expansion valve and a filter generally are connected using connecting tube in adjusting system, the refrigerant come out from filter fully enters Expansion valve throttles, and in the case where error occurs in expansion valve, be easy to cause precision and is not allowed.Further, since expansion valve and mistake Filter is connected with connecting tube, and material is substantially copper material, and manufacture cost is higher.
Utility model content
And a kind of manufacture lower-cost expansion valve component higher the purpose of this utility model is to provide precision.
To achieve the above object, adopt the following technical scheme that：A kind of expansion valve component, including the first electric expansion valve, Two electric expansion valves, filter element, first electric expansion valve include first interface portion and second interface portion, second electricity Sub- expansion valve includes the 3rd interface portion and the 4th interface portion；The filter element at least two, the filter element include the A connection piece and connecting portion, the connecting portion in the end of the filter element, the first interface portion, the 3rd interface portion with The connecting portion of wherein one end of one of filter element is welded and fixed, the second interface portion, the 4th interface portion and institute The connecting portion for stating one end of wherein other filter element is welded and fixed, the first connector inner hollow, and described first connects Fitting is at least partially disposed at the connecting portion, and at least part of first connector is welded and fixed with the connecting portion；
The first connector outer wall includes multiple first pressure contact portions, first pressure contact portion and wall pressure in the connecting portion It is tight to set, electrolysis is formed between first pressure contact portion and the connecting portion inner wall or is crimped a little；And/or in the connecting portion Wall includes multiple second pressure contact portions, and second pressure contact portion is compressed with the first connector outer wall and set, second crimping Electrolysis is formed between portion and the first connector outer wall or is crimped a little；The filter element includes the first solder portion, described Space between first connector outer wall and the connecting portion inner wall sets at least part of first solder portion, and the phase Space between adjacent electrolysis or crimping point sets at least part of first solder portion.
To achieve the above object, also adopt the following technical scheme that：A kind of expansion valve component, including the first electric expansion valve, Second electric expansion valve, filter element, muffler part, first electric expansion valve include first interface portion and second interface Portion, second electric expansion valve include the 3rd interface portion and the 4th interface portion；The filter element at least two, described One interface portion, the 3rd interface portion and one of filter element are welded and fixed, the second interface portion, the 4th interface portion with The wherein other filter element is welded and fixed, and the muffler part includes path section, and the path section is located at the noise elimination The both ends of component, one of filter element are welded and fixed with one of path section；The muffler part includes the Two connectors, the second connector inner hollow, second connector are at least partially disposed at the path section and described At least part of second connector is welded and fixed with the path section, and the second connector outer wall includes the multiple first crimping Portion, first pressure contact portion is compressed with the path section inner wall and set, between first pressure contact portion and the path section inner wall Form electrolysis or crimping point；And/or the path section inner wall include multiple second pressure contact portions, second pressure contact portion with it is described Second connector outer wall, which compresses, to be set, and electrolysis is formed between second pressure contact portion and the second connector outer wall or is crimped Point；The muffler part includes the second solder portion, and the space between the second connector outer wall and the path section inner wall is set At least part of second solder portion is put, and the space between the adjacent electrolysis or crimping point sets second solder At least part in portion.
The above-mentioned technical proposal of the utility model includes the first electric expansion valve, the second electric expansion valve that are arranged in parallel, The use of two electric expansion valves helps to improve precision, and wherein expansion valve component includes the first connector, the second connector, the A connection piece is welded and fixed with filter element, and the second connector is welded and fixed with muffler part, and the first connector is connected with second The respective outer side edges of part and filter element/muffler part so that filter element, muffler part can not make it limited due to Welding Problems In copper material, the so fixed cost of the first connector of reduction and filter element, the fixed cost of the second connector and muffler part.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of specific embodiment of the utility model；
Fig. 2 is the planar structure schematic diagram of filter element shown in Fig. 1；
Fig. 3 is a kind of partial cutaway schematic of embodiment of the filter element of position shown in I in Fig. 2；
Fig. 4 is the partial cutaway schematic of second of embodiment of the filter element of position shown in I in Fig. 2；
Fig. 5 is the partial cutaway schematic of the third embodiment of the filter element of position shown in I in Fig. 2；
Fig. 6 is the partial cutaway schematic of the 4th kind of embodiment of the filter element of position shown in I in Fig. 2；
Fig. 7 is a kind of dimensional structure diagram of embodiment of the first connector；
Fig. 8 is the diagrammatic cross-section in B-B faces shown in Fig. 7；
Fig. 9 is the diagrammatic cross-section of filter element another embodiment；
Figure 10 is the diagrammatic cross-section of another embodiment of filter element；
Figure 11 is the diagrammatic cross-section of the another embodiment of the first connector；
Figure 12 is the diagrammatic cross-section of filter element another embodiment；
Figure 13 is the planar structure schematic diagram of filter element other embodiment；
Figure 14 is the close-up schematic view of C in Figure 12；
Figure 15 is the dimensional structure diagram of the another embodiment of the utility model；
Figure 16 is a kind of planar structure schematic diagram of embodiment of muffler part；
Figure 17 is a kind of partial cutaway schematic of embodiment of the muffler part of position shown in II in Figure 16；
Figure 18 is the partial cutaway schematic of second of embodiment of the muffler part of position shown in II in Figure 16；
Figure 19 is the partial cutaway schematic of the third embodiment of the muffler part of position shown in II in Figure 16；
Figure 20 is the partial cutaway schematic of the 4th kind of embodiment of the muffler part of position shown in II in Figure 16；
Figure 21 is a kind of dimensional structure diagram of embodiment of the second connector；
Figure 22 is the diagrammatic cross-section of the another embodiment of the second connector；
Figure 23 is the planar structure schematic diagram of the another embodiment of muffler part；
Figure 24 is the close-up schematic view of C in Figure 23；
Figure 25 is the planar structure schematic diagram of another embodiment of muffler part；
Figure 26 is the planar structure schematic diagram of the another embodiment of muffler part；
Figure 27 is the planar structure schematic diagram of the other embodiment of muffler part；
Figure 28 is the planar structure schematic diagram of the other embodiment of muffler part；
Figure 29 is a kind of part section enlarged diagram of embodiment of muffler part shown in Figure 27；
Figure 30 is the part section enlarged diagram of second of embodiment of muffler part shown in Figure 27；
Figure 31 is the part section enlarged diagram of the third embodiment of muffler part shown in Figure 27；
Figure 32 is the part section enlarged diagram of the 4th kind of embodiment of muffler part shown in Figure 27；
Figure 33 is a kind of part section enlarged diagram of embodiment of muffler part shown in Figure 28；
Figure 34 is the part section enlarged diagram of second of embodiment of muffler part shown in Figure 28；
Figure 35 is the part section enlarged diagram of the third embodiment of muffler part shown in Figure 28；
Figure 36 is the part section enlarged diagram of the 4th kind of embodiment of muffler part shown in Figure 28；
Figure 37 is the schematic cross-section of the first connector shown in Fig. 7；
Figure 38 is the schematic cross-section in the other embodiment D-D directions in the figure 7 of the first connector；
Figure 39 is the schematic cross-section in the other embodiment D-D directions in the figure 7 of the first connector；
Figure 40 is the schematic cross-section in the other embodiment D-D directions in the figure 7 of the first connector；
Figure 41 is the schematic cross-section of connecting portion；
Figure 42 is a kind of schematic cross-section of the embodiment edge of connecting portion parallel to connecting portion axis；
Figure 43 is schematic cross-section of the connecting portion other embodiment edge parallel to connecting portion axis；
Figure 44 is schematic cross-section of the connecting portion other embodiment edge parallel to connecting portion axis；
Figure 45 is the schematic cross-section of the second connector shown in Figure 21；
Figure 46 is the schematic cross-section in the other embodiment D-D directions in figure 21 of the second connector；
Figure 47 is the schematic cross-section in the other embodiment D-D directions in figure 21 of the second connector；
Figure 48 is the schematic cross-section in the other embodiment D-D directions in figure 21 of the second connector；
Figure 49 is the schematic cross-section of path section；
Figure 50 is a kind of schematic cross-section of the embodiment edge of path section parallel to path section axis；
Figure 51 is schematic cross-section of the path section other embodiment edge parallel to path section axis；
Figure 52 is schematic cross-section of the path section other embodiment edge parallel to path section axis.
Specific embodiment
The dimensional structure diagram of expansion valve component 100 is illustrated with reference to Fig. 1-Figure 13, Fig. 1, and expansion valve component 100 includes First electric expansion valve 10a, the second electric expansion valve 10b, filter element 30, the first connectedness 60a, the second connectedness 60b, institute Stating the first electric expansion valve 10a includes first interface portion 110 and second interface portion 120, and the second electric expansion valve 10b includes 3rd interface portion 130 and the 4th interface portion 140；The filter element 30 at least two is filter element 30a shown on figure, 30b, filter element 30 include connecting portion 32, and connecting portion 32 is located at filter element both ends, and the first interface portion the 110, the 3rd connects Oral area 130 is connected with the connecting portion 32 of wherein one end of the filter element, the second interface portion 120, the 4th interface portion 140 It is connected with the connecting portion 32 of the other end of the filter element, specifically, the first connectedness 60a, the second connectedness 60b bags Main part 64, the first auxiliary section 61, the second auxiliary section 62, the 3rd auxiliary section 63 are included, the main part 64 connects described first and matches somebody with somebody Conjunction portion 61, the second auxiliary section 62, the 3rd auxiliary section 63, and the first auxiliary section 61 of the first connectedness 60a and one of them Filter element 30a is welded and fixed, and the second auxiliary section 62 of the first connectedness 60a and the first interface portion 110 welding are solid Fixed, the 3rd auxiliary section 63 of the first connectedness 60a is welded and fixed with the 3rd interface portion 130, second connectedness The first auxiliary section 61 of 60b is welded and fixed with other in which filter element 30b, the second cooperation of the second connectedness 60b Portion 62 is welded and fixed with the second interface portion 120, the 3rd auxiliary section 63 of the second connectedness 60b and the 4th interface Portion 140 is welded and fixed.When electric expansion valve works, fluid enters from one of interface, is left from another interface, electronics is swollen Swollen valve is internally provided with restricting element, by controlling electric expansion valve, restriction effect is adjusted, to adjust electronic expansion The flow of valve outlet.Expansion valve component includes two electric expansion valves, and two electric expansion valves are with parallel, flow Adjusting can be realized by two electric expansion valves, can more be accurately controlled flow, improve the precision of expansion valve component.
With reference to Fig. 2, the filter element 30 includes the first connector 33,33 inner hollow of the first connector, and described first Connector 33 is at least partially disposed at the connecting portion 32, and at least part of first connector 33 and the connecting portion 32 It is welded and fixed；With reference to Fig. 3-Fig. 8, filter element sets 30 and puts the first solder portion 23, and the filter element 30 and/or described first connect Fitting 33 includes the first limiting section, and first limiting section includes the first confined planes, 23 at least part position of the first solder portion In first limiting section, and described first solder portion, 23 at least part is oppositely arranged or contacts with first confined planes and sets It puts.The setting of first limiting section provides a limit point, in the first connector for the first solder portion in the axial position of connecting portion With in the assembling process of connecting portion, solder, such as weld-ring being positioned over the first limiting section, then again by the first connector with being connected Portion is connected, and is limited to the first limiting section, and the port movement of the solder of thawing from the first limiting section to connecting portion so ensures It seals and fixes between connecting portion inner wall and the first connector outer wall, promote the welding quality of the first connector and connecting portion.
With reference to Fig. 2-Fig. 8, more specifically, filter element 30 includes body part 31, and connecting portion 32 is connected to body part 31 End, and the first connector 33 is welded and fixed with connecting portion 32, connecting portion 32 coordinates with the first connector 33, the first connector 33 With the first end 332 and second end 333 being oppositely arranged, first end 332 is located inside connecting portion 32, second end 333 are located at the port position of filter element 30, and connecting portion 32 includes the first limiting section 3221, and the first limiting section 3221 includes first Confined planes 3222, the first solder portion 23 are at least partially arranged at the first limiting section 3221, and 23 at least part of the first solder portion with First confined planes 3222 are oppositely arranged or contact setting, and the first confined planes 3222 limit the axial position of the first weld part 23, the One limiting section 3221 is located at connecting portion inner wall, and the port 3223 of the first confined planes 3222 and connecting portion 32 is oppositely arranged, the first limit Plane 3222 is relatively distant from the port 3223 of connecting portion 32 with respect to the first end 332 of the first connector 33, is positioned over the first limit The solder in position portion 3221 can be flowed into after thawing between 33 outer wall of the first connector and connecting portion inner wall, be kept fixed it.Ginseng According to Fig. 3, Fig. 4, the first limiting section may be, for example, limited step；As other embodiment, with reference to Fig. 5, the first limiting section also may be used For limiting slot, compared with 332 position of first end of the first connector, limiting slot is relatively distant from the port of connecting portion 3223。
As other embodiment, with reference to Fig. 6, the first connector 33 includes the first limiting section 331, the first limiting section 331 Positioned at 33 first end of the first connector, 332 position, the first limiting section 331 includes the first confined planes 3311, the first limiting section 331 Including the first confined planes 3311, the first solder portion 23 is at least partially arranged at the first limiting section 331, and the first solder portion 23 is at least Part is oppositely arranged or contacts setting with the first confined planes 3311, and the first limiting section 331 is located at the first connector 33 and relatively neighbour Nearly first end 332, the first limiting section 331 include the first side 3312 and the second side 3313, with towards the first connector 33 Axis direction is inward direction, and the outer wall of the first side 3312 from the first connector 33 extends internally, the first confined planes 3311 In the first side 3312, the second side 3313 is axially extending certainly with 3312 junction of the first side, and the first solder portion 23 is at least Part is located at the first side 3312 and the second side 3313；First side 3312 and the second side 3313 are in step sample.First In the assembling process of connector and connecting portion, solder, such as weld-ring are placed in limiting section first, then will carry the first of weld-ring Connector and connecting portion are connected, and it is welded, make solder melt flow into connecting portion inner wall and the first connector outer wall it Between, the two is kept fixed, ensures preferably welding quality.
To ensure that the solder melted is flowed between connecting portion inner wall and the first connector outer wall, filter element includes gap, Gap is located between connecting portion inner wall and the first connector outer wall, and the gap is used to accommodate a part for solder portion, among it Gap is too small, and solder may be caused not permeated effectively, and gap is excessive, and solder may penetrate connecting portion port, thus make It is exposed into solder portion, influence welding quality.Herein, between the first connector outer wall and the connecting portion inner wall The length of solder portion is the 2 times or more of the connecting portion wall thickness, positioned at the first connector outer wall and the connecting portion inner wall Between solder portion length be the first connector wall thickness 2 times or more, the solder portion is located at first connector Length between outer wall and the connecting portion inner wall is 5mm-15mm, and the solder portion is located at the first connector outer wall and institute Width between connecting portion inner wall is stated as 0.025mm-0.15mm, the solder portion be located at the first connector outer wall with it is described Width between connecting portion inner wall is distance of the solder portion perpendicular to the first connector axis direction, so that even Socket part and the welding of the first connector are relatively reliable, and ensure solder effect infiltration as expected.
Herein, unless otherwise specified, the end is included apart from one section of part of port.
With reference to Fig. 7, Figure 11, the first connector 33 includes one and above slot 324, and the slot 324 is located at described first At least part outer wall of connector 33, and the slot 324 is located at connecting portion 32, first connector 33 includes forming the slot 324 bottom wall part 325, first solder portion 23 extend from first limiting section 324 along the bottom wall part 325；First Solder portion 23 is throughout slot inner cavity so that is sealed between 32 inner wall of 33 outer wall of the first connector and connecting portion and the two is kept fixed.
As other embodiment, there are one the settings of 32 inner wall of connecting portion and above slot, the filter element include shape Into the bottom wall part of the slot, the slot extends to the connecting portion port position from the first limiting section correspondence position, described First solder portion extends from first limiting section along the bottom wall part；In this way, the solder of the first limiting section is positioned over through melting It can be flowed into easily between the first connector outer wall and connecting portion inner wall after change, first solder portion is throughout slot inner cavity so that the It seals and is kept fixed between a connection piece outer wall and connecting portion inner wall.Certainly, the first connector and connecting portion inner wall can all be set Slot is equipped with, under the tight fit of the first connector and connecting portion, the first solder portion is set full of the first connector with connecting portion inner wall In the slot put so that the first connector outer wall and connecting portion inner wall sealing and fixation.When first connector is assembled with connecting portion, the A connection piece can be fixed with connecting portion with interference fit type, therefore can pass through the setting of slot so that solder in melting state more It easily enters between the first connector outer wall and connecting portion inner wall, keeps the fixation of the two, while ensure certain welding Quality.
Herein, it is inside and outside be relative expansion valve module inner cavity for, such as connecting portion inner wall refers to the side wall towards inner cavity.
With reference to Fig. 7, Figure 37-Figure 40, the first connector 33 be at least partially disposed at the connecting portion 32 and with the connection Portion's 32 stove weldering, the first connector outer wall 3340 include multiple first pressure contact portions 3342, define perpendicular to the connector 33 The section of axis is the first section, and first pressure contact portion 3342 includes the first crimping subdivision positioned at first section 3344, the section defined parallel to 33 axis of connector is the second section, and first pressure contact portion 3342 includes being located at institute The second crimping subdivision 3346 in the second section is stated, the second crimping subdivision 3346 is extended or in single axis in two A above interval setting, the first crimping subdivision 3344 are arranged at intervals or in more than two in single circumferentially disposed；First Pressure contact portion 3342 is compressed with 32 inner wall of connecting portion and set, between 32 inner wall of first pressure contact portion 3342 and the connecting portion Electrolysis or crimping point are formed with, filter element 30 includes solder portion 23, the first connector outer wall 3340 and the connecting portion 32 Space sets at least part of solder portion between inner wall, and at least part of solder portion is set between adjacent electrolysis or crimping point, In the axial direction of first connector, the solder portion is prolonged from the first connector port perimeter position curve or straight line Extend the 32 port perimeter position of connecting portion.
With reference to Fig. 3, reference Figure 41-Figure 44,32 inner wall 3350 of connecting portion includes multiple second pressure contact portions 3352, definition It is the 3rd section perpendicular to the section of 32 axis of connecting portion, second pressure contact portion 3352 includes being located at the 3rd section The 3rd crimping subdivision 3354, define the section parallel to 32 axis of connecting portion as the 4th section, second crimping Portion 3352 includes the 4th crimping subdivision 3356 positioned at the 4th section, and the 4th crimping subdivision 3356 is in single axis Line is extended or is arranged at intervals in two or more, and the 3rd crimping subdivision 3354 is arranged at intervals or in more than two in list It is a circumferentially disposed；Second pressure contact portion 3352 and 33 outer wall of the first connector, which compress, to be set, and the second pressure contact portion 3352 is connected with first Electrolysis or crimping point, filter element are formed between 33 outer wall of part includes the first solder portion 23, the first connector outer wall and institute At least part that space between 32 inner wall of connecting portion sets the first solder portion is stated, and the is set between adjacent electrolysis or crimping point At least part of one solder portion, in the axial direction of the first connector, solder portion is from the first connector port perimeter position curve Or linear extension is to connecting portion port perimeter position.
Specifically, first pressure contact portion is extended in the form of convex ribs and along the first connector axis direction, and First pressure contact portion is positioned apart from the first connector outer wall or first pressure contact portion with multiple in the form of salient point Discretely set；Second pressure contact portion is extended in the form of convex ribs and along 32 axis direction of connecting portion, the second crimping Portion is positioned apart from discretely setting in the form of salient point in connecting portion inner wall or second pressure contact portion with multiple.
It should be known that the upper illustrated shape of figure is not the limitation to the first pressure contact portion, the second pressure contact portion etc., the first crimping Portion, the second pressure contact portion can have variously-shaped.In first pressure contact portion and the second pressure contact portion or the first pressure contact portion and path section Wall is compressed between the second pressure contact portion and the first connector outer wall and set so that the first connector can be with tight fit side with connecting portion Formula crosses stove welding, and in addition it need not be fixed using frock, be conveniently operated.Structural representation structure shown in upper figure is not influencing In the case of signal, certain structures can be saved.For example, Figure 37-Figure 44 is only to illustrate, the hatching in figure has been omitted from.
With reference to Fig. 4-Fig. 8, the outer diameter of the first connector 33 is less than or equal to 32 internal diameter of connecting portion；First connector 33 includes Flange part 336, flange part 336 are located at 32 port position of connecting portion, and flange part 336 includes positioning table 3361 and root 3362, fixed Position platform 3361 is outwards circumferentially extended from the root of flange part 336 3362, and positioning table 3361 offsets with 32 end of connecting portion；Contribute to Solder is not easy to run to filter element in heating process, so that overall structure is more aesthetically pleasing.First solder portion is located at Inside connecting portion, the bare area of solder portion is relatively small, so as to reduce the potential difference corrosion that solder portion is contacted with air；Together When the first connector and the welding of connecting portion only need once to can be completed, compared with gas brazing, avoid the first connector, The multiple welding of connecting portion, the uniformity of solder portion is relatively preferable, so improves welding quality so that between product component Connection is more reliable, and once welding also simplifies welding sequence, improves efficiency.
First connector is two, and first connector is connected with first auxiliary section 61, for ease of more Structure is clearly distinguished, it is I classes the first connector 33a to define the first connector being connected with first auxiliary section 61, is defined In addition the first connector is the first connector of II classes 33b；Any one of I classes the first connector 33a in following：
(1) with reference to Fig. 9, Figure 10, one end of the first connector of I classes 33a is welded and fixed with the connecting portion 32, described The other end of the first connector of I classes 33a is connected with first auxiliary section 61；The first connector of I classes 33a is in the form of connecting tube Connect 32 and first connectedness 60a of connecting portion, during welding, by by connecting portion and the first connector cross after stove welding again with other Component assembles.
(2) with reference to Figure 12, Figure 14, I classes the first connector 33a is welded and fixed with the connecting portion 32, the expansion Valve module includes the first connecting tube 50, and first connecting tube 50 is welded and fixed with the first connector of I classes 33a inner walls；I classes In the form of sleeve or axle sleeve, outer wall and 32 inner wall of connecting portion of the first connector of I classes 33a are welded and fixed first connector 33a, The first connector of I classes 33a is first welded with connecting portion 32,50 stove of the first connecting tube, forms overall structure, 50 other end of the first connecting tube It is welded and fixed with the first connectedness 60a, it is convenient for assembly.
And/or any one of II classes the first connector 33b in following：
(1) with reference to Fig. 9, Figure 10, one end of the first connector of II classes 33b is welded and fixed with the connecting portion 32；II The first connector of class 33b can be the form of connecting tube, and one end of the first connector of II classes 33b is fixedly installed with connecting portion 32, II The other end of the first connector of class 33b is welded with external structure.
(2) with reference to Figure 12, Figure 13, Figure 14, II classes the first connector 33b is welded and fixed with the connecting portion 32, institute Stating expansion valve component includes the second connecting tube 70, with reference to Figure 12, second connecting tube 70 and the first connector of II classes 33b Inner wall is welded and fixed；In this way, II classes the first connector 33b is in the form of sleeve or axle sleeve, II classes the first connector 33b outer walls with 32 inner wall of connecting portion is welded and fixed, and II classes the first connector 33b is connected pipe furnace weldering with connecting portion, second, forms overall structure, the The two connecting tube other ends can be assembled with external structure, easy to assembly.
Herein, for structural relation is more clearly illustrated, the first connecting tube and the second connecting tube are specially defined, it should Understand, the first connecting tube, the second connecting tube are not limited to pipe fitting in the narrow sense, in the first connecting tube and the first connectedness 60a In the case of being welded and fixed, the first connecting tube can be substituted by the first auxiliary section 61；It is solid in the first connecting tube and filter element welding In the case of fixed, the first connecting tube can be substituted by the connecting portion of filter element and analogue.
With reference to Fig. 3-Fig. 6, the first connector 33 includes body part 337 and stopper protrusion 338, and the stopper protrusion 338 is certainly The body part 337 extends to 33 inner cavity of the first connector, and first connector 33 includes first end 332 and second End 333, the first end 332 are located inside the filter element, and the second end 333 is located at the filter element 30 Port position, the stopper protrusion 338 is located at 332 position of first end, and the stopper protrusion 338 is formed with second Confined planes 3380,332 phase of first end of second confined planes 3380 and the first connector 33 is back to setting；In the first connection Part is under the form of sleeve, the first connector needs to weld, and the setting of stopper protrusion is efficiently reduced in connector with connecting tube Solder between wall and connection pipe outer wall melts the inner wall for flowing into connecting tube, and the depth of connector is stretched into available for restriction connecting tube Spend position.
As other embodiment, as shown in figure 15, expansion valve component 200 includes the first electric expansion valve 10a, the second electricity Sub- expansion valve 10b, filter element 30, muffler part 20, the first connectedness 60a, the second connectedness 60b, first electronics are swollen Swollen valve 10a includes first interface portion 110 and second interface portion 120, and the second electric expansion valve 10b includes the 3rd interface portion 130 and the 4th interface portion 140；The filter element 30 at least two, including filter element 30a, 30b, first connection Part 60a, the second connectedness 60b include main part 64, the first auxiliary section 61, the second auxiliary section 62, the 3rd auxiliary section 63, the master Body portion 64 connects first auxiliary section 61, the second auxiliary section 62, the 3rd auxiliary section 63, and the of the first connectedness 60a One auxiliary section 61 is welded and fixed with one of filter element 30a, the second auxiliary section 62 of the first connectedness 60a with it is described First interface portion 110 is welded and fixed, and the 3rd auxiliary section 63 of the first connectedness 60a is welded with the 3rd interface portion 130 Fixed, the first auxiliary section 61 and the other in which filter element 30b of the second connectedness 60b are welded and fixed, and described second The second auxiliary section 62 of connectedness 60b is welded and fixed with the second interface portion 120, and the 3rd of the second connectedness 60b matches somebody with somebody Conjunction portion 63 is welded and fixed with the 4th interface portion 140.
With reference to Figure 16, muffler part 20 includes path section 212, and the path section 212 is located at the two of the muffler part 20 End, one of filter element 30a are connected with one of path section 212；The muffler part 20 includes second and connects Fitting 22,22 inner hollow of the second connector, second connector 22 be at least partially disposed at the path section 212 and It is welded and fixed with the path section 212, the muffler part 20 sets the second solder portion 23 '；The path section 212 and/or institute Stating the second connector 22 includes the first limiting section, and first limiting section includes the first confined planes, and second solder portion 23 ' is extremely Small part is arranged at first limiting section, and second solder portion is at least partly oppositely arranged with first confined planes.
Muffler part 20 includes main part 21, the second connector 22 and the second solder portion 23 ', and main part 21 includes major diameter section 211st, path section 212, path section 212 are located at 21 both ends of main part, the axial connection path section 212 of major diameter section 211, major diameter section 211 internal diameter is more than the internal diameter of path section 212, such as the internal diameter of major diameter section is more than twice of path section internal diameter.It is as shown in the figure, big Footpath section is columnar structured, and certainly, major diameter section is alternatively non-regular tubular, for example, major diameter section can be that middle part is relatively large, two The relatively small structure in side or or, both sides relatively small structure company relatively large by two or more middle parts Into or major diameter section radial section be alternatively the regular geometric shapes such as triangle, rectangle, ellipse or other irregular geometry Shape.Muffler part may be integrally formed, and can also be welded by each branch point.Main part material can be copper or stainless steel, Connecting piece material can be copper or stainless steel.Main part can be manufactured under normal circumstances with copper material, and copper material welds easy but copper material valency Lattice are higher；Preferably to reduce production cost, steel manufacture, such as stainless steel may be employed in main part, although the welding of steel Difficulty is higher, but according to content described herein, is designed by the special construction of connector and main part, it is difficult to can obviously reduce assembling Degree, does not influence the installation of expansion valve component and refrigeration system other pipelines.
As a kind of embodiment, main part 21 includes major diameter section 211, path section 212 and inside contracts section 213, inside contracts section 213 Including choke 2131 and expansion mouth 2132, choke 2131 is connected with path section 212, and expansion mouth 2132 connects with major diameter section 211 It connects, inside contracts section 213 and major diameter section 211 and path section 212, the so fluid from path section entrance are connected with similar flared shape, Such as gas-liquid two-phase, it flows through when inside contracting section, caliber starts to become larger, and when then flowing to path section through major diameter section, caliber becomes smaller, so The noise that fluid resonant generates is reduced, achievees the purpose that expansion valve component is eliminated the noise.
As other embodiment, major diameter section can be directly connected to path section, i.e., enter from the fluid moment that path section enters Major diameter section, the fluid moment for then flowing through major diameter section enter path section so that fluid is in the small intracavitary stream that becomes smaller again of becoming larger of caliber It is dynamic, realize the purpose of noise elimination.
With reference to Figure 21, Figure 45-Figure 48, the second connector 22 be at least partially disposed at the path section and with the path section Stove welds, and the second connector outer wall 2240 includes multiple first pressure contact portions 2242, defines perpendicular to second connector 22 The section of axis is the first section, and first pressure contact portion 2242 includes the first crimping subdivision positioned at first section 2244, the section defined parallel to 22 axis of the second connector is the second section, and first pressure contact portion 2242 includes position In second section second crimp subdivision 2246, it is described second crimping subdivision 2246 be extended in single axis or It is arranged at intervals in two or more, the first crimping subdivision 2244 is arranged at intervals or in more than two in single circumferentially disposed； First pressure contact portion 2242 is compressed with 212 inner wall of path section to be set, in first pressure contact portion 2242 and the path section 212 Electrolysis or crimping point, muffler part 20 are formed between wall includes the second solder portion 23 ', the second connector outer wall 2240 and institute At least part that space between path section inner wall sets the second solder portion is stated, solder portion is set between adjacent electrolysis or crimping point At least part, in the axial direction of second connector, second solder portion is from the second connector port perimeter Position curve or linear extension are to the path section port perimeter position.
With reference to Figure 17, reference Figure 49-Figure 52,212 inner wall 2250 of path section includes multiple second pressure contact portions 2252, fixed Justice is the 3rd section perpendicular to the section of 212 axis of path section, and second pressure contact portion 2252 includes being located at the described 3rd The 3rd crimping subdivision 2254 in section, defines the section parallel to 212 axis of path section as the 4th section, and described second Pressure contact portion 2252 includes the 4th crimping subdivision 2256 positioned at the 4th section, and the 4th crimping subdivision 2256 is in single A axis is extended or is arranged at intervals in two or more, the 3rd crimping subdivision 2254 be arranged at intervals in more than two or In single circumferentially disposed；Second pressure contact portion 2252 and 22 outer wall of the second connector, which compress, to be set, the second pressure contact portion 2252 and second Be formed between 22 outer wall of connector electrolysis or crimping point, muffler part include the second solder portion, the second connector outer wall with Space sets at least part of the second solder portion between the path section inner wall, and sets weldering between adjacent electrolysis or crimping point At least part in material portion, in the axial direction of the second connector, the second solder portion is from the second connector port perimeter position curve Or linear extension is to path section port perimeter position.
Specifically, first pressure contact portion is extended in the form of convex ribs and along 22 axis direction of the second connector, And first pressure contact portion be positioned apart from multiple in the second connector outer wall or first pressure contact portion with the shape of salient point Formula is discretely set；Second pressure contact portion is extended in the form of convex ribs and along path section axis direction, the second crimping Portion is positioned apart from discretely setting in the form of salient point in path section inner wall or second pressure contact portion with multiple.
It should be known that the upper illustrated shape of figure is not the limitation to the first pressure contact portion, the second pressure contact portion etc., the first crimping Portion, the second pressure contact portion can have variously-shaped.In first pressure contact portion and the second pressure contact portion or the first pressure contact portion and path section Wall is compressed between the second pressure contact portion and the second connector outer wall and set so that the second connector can be with tight fit side with path section Formula crosses stove welding, and in addition it need not be fixed using frock, be conveniently operated.Structural representation structure shown in upper figure is not influencing In the case of signal, certain structures can be saved, for example, Figure 45-Figure 52 is only to illustrate, the hatching in figure has been omitted from.
Second connector 22 is welded and fixed with main part 21, to ensure welding quality, the path section 212 and/or described Second connector 22 includes the first limiting section, and first limiting section includes the first confined planes, second solder portion at least portion Set up separately and be placed in first limiting section, and second solder portion is at least partly oppositely arranged or contacts with first confined planes It sets.
Specifically, as a kind of embodiment, with reference to Figure 17-Figure 19, muffler part 20 includes the second connector 22 and the Two solder portions 23 ', 22 inner hollow of the second connector, 22 inner cavity of the second connector are connected with major diameter section 211, the second connector 22 At least part be welded and fixed with path section 212；Path section 212 includes the first limiting section 2121, and the first limiting section 2121 includes First confined planes 2122, the second solder portion 23 ' is at least partially arranged at the first limiting section 2121, and the second solder portion 23 ' is at least Part is oppositely arranged or contacts setting with the first confined planes 2122.In the assembling process of the second connector and main part, it will weld Material, such as weld-ring are positioned over limiting section, and then connector and main part are connected again, and it is welded, and melt solder And path section inner wall and connector outer wall are flowed into, so that the two is fixed, preferably ensure welding quality.More specifically, path Section 212 has from the axially extending body part 2124 in 212 port 2123 of path section, and body part 2124 is matched somebody with somebody with the second connector 22 It closes, there is connector 22 first end 222 being oppositely arranged and second end 223, first end 222 to be located in path section 212 Portion, second end 223 are located at the port position of muffler part 20, and the first confined planes 2122 limit the axial position of the first weld part 23 It puts, the first limiting section 2121 is located at 212 inner wall of path section, and the first confined planes 2122 are oppositely arranged with 212 port 2123 of path section, The first end 222 of first confined planes, 2122 opposite second connector 22 is positioned over the first limit away from 212 port 2123 of path section The solder in position portion 2121 can flow into after thawing between 22 outer wall of the second connector and body part 2124 easily, i.e., solder portion extends It is kept fixed to the two between connector outer wall and body part, is made.With reference to Figure 17, Figure 18, the first limiting section may be, for example, /V Step；As other embodiment, with reference to Figure 19, the first limiting section is alternatively limiting slot, 223 institute of second end with connector It is compared in position, limiting slot is relatively distant from 2123 position of port of path section.
As other embodiment, with reference to Figure 20, the second connector 22 includes the first limiting section 221, the first limiting section 221 Positioned at 22 first end of the second connector, 222 position, the first limiting section 221 includes the first confined planes 2211, the first limiting section 221 Including the first confined planes 2211, the second solder portion 23 ' is at least partially arranged at the first limiting section 221, and the second solder portion 23 ' is extremely Small part and the first confined planes 2211 are oppositely arranged or contact setting, and the first limiting section 221 is located at the second connector 22 and opposite Neighbouring first end 222, the first limiting section 221 include the first side 2212 and the second side 2213, with towards the second connector 22 axis directions are inward direction, and the outer wall of the first side 2212 from the second connector 22 extends internally, the first confined planes 2211 Positioned at the first side 2212, the second side 2213 is axially extending certainly with 2212 junction of the first side, and the second solder portion 23 ' is extremely Small part is located at the first side 2212 and the second side 2213；First side 2212 and the second side 2213 are in step sample.Even In the assembling process of fitting and main part, solder, such as weld-ring are placed in limiting section first, then will carry the connector of weld-ring It is connected with main part, and it is welded, melt solder and flow between path section inner wall and connector outer wall, protect the two Fixation is held, ensures preferably welding quality.
More specifically, with reference to Figure 21, Figure 22, the second connector 22 includes slot 224, and slot 224 is located at the second connector 22 At least part outer wall, and slot 224 is oppositely arranged with path section 212, and the second connector 22 includes forming the bottom wall part of slot 224 225, the second solder portion 23 ' extends from the first limiting section 2121,221 along bottom wall part 225；Second solder portion 23 ' is in slot Chamber so that sealing and the two fixed setting between 212 inner wall of 22 outer wall of the second connector and path section.
As other embodiment, path section inner wall is provided with slot, and slot extends to path from the first limiting section correspondence position Section end, the second solder portion extend from the first limiting section along wall portion.
Certainly, connector and path section inner wall all may be provided with slot, under the tight fit of connector and path section, the second weldering In the slot that material portion is set full of connector with path section inner wall so that connector outer wall and path section inner wall sealing and fixation.Even When fitting is assembled with path section, connector can be fixed with path section with interference fit type, therefore can pass through the setting of slot so that weldering Material is more easily entered in melting state between connector outer wall and path section inner wall, is kept the fixation of the two, is protected simultaneously Demonstrate,prove certain welding quality.
Herein, it is inside and outside be relative expansion valve module inner cavity for, such as path section inner wall refers to the side wall towards inner cavity.
With reference to Figure 17-Figure 26, the outer diameter of the second connector 22 is less than or equal to 212 internal diameter of path section, and the second connector can In the form of sleeve, can also connecting tube form, the second connector 22 includes flange part 226, and flange part 226 is located at path section 212 port, 2123 position, flange part 226 include positioning table 2261 and root 2262, and positioning table 2261 is from the root of flange part 226 2262 outwards circumferentially extend, and positioning table 2261 offsets with 212 end of path section, and solder is contributed to be not easy to run extremely in heating process Outside path section, particularly avoid the solder between connector outer wall and path section inner wall and be heated and be moved to outside path section port, from And so that overall structure is more aesthetically pleasing.
Specifically, the second connector is two, the first interface portion of one of connector and the first electric expansion valve 10 110 connections for ease of more clearly distinguishing structure, define the connector being connected with first interface portion 110 and are connected for I classes second Part 22a defines other connector and is welded and fixed for II classes the second connector 22b, I class the second connector 22a with path section, II Class the second connector 22b is welded and fixed with path section 212,
Any one of I classes the second connector 22a in following：
(1) with reference to Figure 25, Figure 26, one end of the second connector of I classes 22a is welded and fixed with the path section 212, institute The other end for stating the second connector of I classes 22a is connected with the first connectedness 60a；The second connector of I classes 22a is in the form of connecting tube The first connectedness and path section are connected, alternatively, I classes the second connector 22a connection path sections and the first connectedness, during welding, is led to It crosses to cross muffler part and the second connector of I classes 22a after stove welding and be assembled again with other component.
(2) with reference to Figure 23, Figure 24, I classes the second connector 22a is welded and fixed with the path section 212, the expansion Valve module 200 include the first connecting tube 50, at least part of first connecting tube 50 in the second connector of I classes 22a Wall is welded and fixed；I classes the second connector 22a is in the form of sleeve or axle sleeve, the outer wall and path section of the second connector of I classes 22a Inner wall is welded and fixed, and the second connector of I classes 22a is first connected pipe furnace weldering with muffler part, first, forms overall structure, and first connects The take over other end is welded and fixed with the first connectedness, convenient for assembly.
And/or any one of II classes the second connector 22b in following：
(1) with reference to Figure 25, Figure 26, one end of the second connector of II classes 22b is welded and fixed with the path section 212； The second connector of II classes 22b can be the form of connecting tube, and one end and the path of the second connector of II classes 22b are fixedly installed, II classes The other end of second connector 22b is welded with external structure.
(2) with reference to Figure 23, Figure 24, II classes the second connector 22b is welded and fixed with the path section 212, described swollen Swollen valve module 200 includes the second connecting tube 70, at least part of second connecting tube 70 and the second connector of II classes 22b Inner wall is welded and fixed.In this way, II classes the second connector 22b is in the form of sleeve or axle sleeve, II classes the second connector 22b outer walls with Path section inner wall is welded and fixed, and II classes the second connector 22b is connected pipe furnace weldering with muffler part, second, forms overall structure, the The two connecting tube other ends can be assembled with external structure, easy to assembly.
With reference to Figure 17-Figure 20, the second connector 22 includes body part 227 and stopper protrusion 228, and stopper protrusion 228 is from originally Body portion 227 extends to 22 inner cavity of connector, and second connector 22 includes second end 223, and stopper protrusion 228 is located at first At 222 position of end, stopper protrusion 228 is protruded from body part 227 towards 22 inner cavity of the second connector, and stopper protrusion 228 has Second confined planes 2280,222 phase of first end of the second confined planes 2280 and the second connector 22 is back to setting, the second confined planes Towards the port of path section.In the second connector under the form of sleeve, connector needs to weld with connecting tube, stopper protrusion The solder for efficiently reducing connector inner wall and connecting between pipe outer wall is set to melt the inner wall for flowing into connecting tube, and can be used for limiting Determine the depth location that connecting tube stretches into connector.
With reference to Figure 15, expansion valve component 200 includes shut-off valve 40, and shut-off valve 40 includes valve port portion 401, the second connector 22b is welded and fixed with path section 212, and expansion valve component includes the second connecting tube 70, one end of the second connecting tube 70 and II classes the Two connector 22b inner walls are welded and fixed, and the other end of the second connecting tube is welded and fixed or with the valve port portion 401 with reference to figure 27, one end and II classes the second connector 22b inner walls of second connecting tube 70 are welded and fixed, the other end of the second connecting tube 70 3rd connector 71 is set, and the 3rd connector 71 is welded and fixed with 70 inner wall of the second connecting tube, the 3rd connector 71 and valve port portion 401 are welded and fixed；Or one end of the second connector of II classes 22b is welded and fixed with path section 212, the second connector of II classes 22b The other end be welded and fixed with valve port portion 401；Or with reference to Figure 28, one end of the second connector of II classes 22b is welded with path section 212 Fixation is connect, the other end of the second connector of II classes 22b sets the 4th connector 72, and the 4th connector 72 and II classes second connect Fitting 22b inner walls are welded and fixed, and the 4th connector 72 is welded and fixed with valve port portion 401.Since the 3rd connector the 71, the 4th connects Part 72 is in channel interior, for ease of the position of apparent the 3rd connector 71 of expression, the 4th connector 72, Figure 27, Figure 28 In probably illustrate the 3rd connector 71, position of the 4th connector 72 on muffler part, specific location is with reference to Figure 29-figure 36。
3rd connector 71, the structure of the 4th connector 72 are with reference to the second connector, referring for example to Figure 16-Figure 22, due to Similar with the second connector in structure, same or similar parts title and number use same title and number.Second connects It takes over or the second connector includes the second solder portion 23 ' and the first limiting section 2121 or the 3rd connector or the 4th connector Including the first limiting section 221, the second connecting tube 70 sets limiting section 2121, the first confined planes 2122 or the 3rd connector to set Put limiting section 221, the first confined planes 2211；Second connector 22b sets limiting section 2121, the first confined planes 2122, Huo Zhe Four connectors set limiting section 221, the first confined planes 2211；Second limiting section 221,2121 include the first confined planes 2211, 2122, the second solder portion 23 ' is at least partially arranged at the second limiting section 221,2121, and the second solder portion 23 ' at least partly with First confined planes 2211,2122 of the second limiting section 221,2121 are oppositely arranged or contact setting.
With reference to Figure 21, the 3rd connector 71 includes one and above slot 224, and slot 224 is located at the 3rd connector 71 extremely Small part outer wall, and slot 224 is oppositely arranged with 70 inner wall of the second connecting tube, the 3rd connector 71 includes the bottom wall for forming slot 224 Portion 225, the second solder portion 23 ' extend along bottom wall part 225；And/or there are one the settings of 70 inner wall of the second connecting tube and above Slot 224,70 inner wall of the second connecting tube include being formed the bottom wall part 225 of slot 224, and slot 224 extends to 212 end of path section, and second Solder portion 23 ' extends from the second limiting section 221,2121 along bottom wall part 225；
4th connector 72 includes one and above slot 224, and slot 224 is located at outside at least part of the 4th connector 72 Wall, and slot 224 is oppositely arranged with the second connector 22b inner walls, bottom wall part of the 4th connector 72 including forming slot 224, second Solder portion 23 ' extends along bottom wall part 225；And/or second connector 22b inner walls set there are one and above slot 224, second Connector 22b inner walls include forming the bottom wall part 225 of slot 224, and slot 224 extends to 212 end of path section, the second solder portion 23 ' Extend from the second limiting section 221,2121 along bottom wall part 225；
With reference to Figure 45-Figure 52, although these figures are the signals to 22 grade of the second connector, the 3rd connector and second connects The relation of the relation taken over, the 4th connector and the second connector can also refer to upper figure, and identical title can refer to described above Reference numeral.The 3rd connector outer wall includes multiple first pressure contact portions, defines cutting perpendicular to the connector axis Face is the first section, and first pressure contact portion includes the first crimping subdivision positioned at first section, defines parallel to institute The section of the 3rd connector axis is stated as the second section, first pressure contact portion includes the second crimping positioned at second section Subdivision, the second crimping subdivision are extended in single axis or are arranged at intervals in two or more, first crimping Subdivision is arranged at intervals or in more than two in single circumferentially disposed；First pressure contact portion is connected inside pipe wall with second and compresses setting, Electrolysis is formed between first pressure contact portion and the second connection inside pipe wall or is crimped a little；And/or the second connection inside pipe wall includes Multiple second pressure contact portions, define perpendicular to the section of the second connecting tube axis be the 3rd section, the second pressure contact portion bag The 3rd crimping subdivision positioned at the 3rd section is included, the section defined parallel to the second connecting tube axis is the 4th section Face, second pressure contact portion include the 4th crimping subdivision positioned at the 4th section, and the 4th crimping subdivision is in single A axis is extended or is arranged at intervals in two or more, and the 3rd crimping subdivision is arranged at intervals or in more than two in list It is a circumferentially disposed；Second pressure contact portion and the 3rd connector outer wall, which compress, to be set, between the second pressure contact portion and the 3rd connector outer wall Electrolysis or crimping point are formed with, the second connecting tube includes the second solder portion, the 3rd connector outer wall and second connecting tube Space between inner wall sets at least part of the second solder portion, and sets the second solder portion between adjacent electrolysis or crimping point At least part；
Or the 4th connector outer wall includes multiple first pressure contact portions, defines perpendicular to the 4th connector axis Section for the first section, first pressure contact portion includes the first crimping subdivision positioned at first section, defines parallel It is the second section in the section of the 4th connector axis, first pressure contact portion includes second positioned at second section Subdivision is crimped, the second crimping subdivision is extended in single axis or is arranged at intervals in two or more, described first Subdivision is crimped to be arranged at intervals or in single circumferentially disposed in more than two；First pressure contact portion is set with the second connector inner wall compression It puts, electrolysis is formed between the first pressure contact portion and the second connector inner wall or crimps a little；And/or the second connector inner wall Including multiple second pressure contact portions, it is the 3rd section to define perpendicular to the section of the second connector axis, second crimping Portion includes the 3rd crimping subdivision positioned at the 3rd section, defines the section parallel to the second connector axis as the Four sections, second pressure contact portion include the 4th crimping subdivision positioned at the 4th section, the 4th crimping subdivision Be extended in single axis or be arranged at intervals in two or more, the 3rd crimping subdivision be arranged at intervals in more than two or In single circumferentially disposed；Second pressure contact portion and the second connector inner wall, which compress, to be set, the second pressure contact portion and the second connector inner wall Between be formed with electrolysis or crimping point；Second connector includes the second solder portion, the second connector inner wall and institute State at least part that the space between the 4th connector inner wall sets second solder portion, and the adjacent electrolysis or crimping At least part of second solder portion is set between point；
First pressure contact portion is extended in the form of convex ribs and along the 3rd connector axis direction, and described First pressure contact portion is positioned apart from the 3rd connector outer wall or first pressure contact portion with multiple in the form of salient point Discretely set；Second pressure contact portion is extended in the form of convex ribs and along the described second connection tube axis direction, institute The second pressure contact portion is stated to be positioned apart from the described second connection inside pipe wall or second pressure contact portion with the shape of salient point with multiple Formula is discretely set；In the axial direction of the 3rd connector, second solder portion is from the 3rd connector Single port Peripheral position curve or linear extension are to the 3rd connector another port peripheral position；
First pressure contact portion is extended in the form of convex ribs and along the 4th connector axis direction, and described First pressure contact portion is positioned apart from the 4th connector outer wall or first pressure contact portion with multiple in the form of salient point Discretely set；Second pressure contact portion is extended in the form of convex ribs and along the second connector axis direction, institute The second pressure contact portion is stated to be positioned apart from the second connector inner wall or second pressure contact portion with the shape of salient point with multiple Formula is discretely set；In the axial direction of second connector, second solder portion is from the 4th connector Single port Peripheral position curve or linear extension are to the 4th connector another port peripheral position；
The length of the second solder portion between the 3rd connector outer wall and the second connection inside pipe wall is institute The 2 times or more of the second connection thickness of pipe wall is stated, the weldering between the 3rd connector outer wall and the second connection inside pipe wall The length in material portion is the 2 times or more of the 3rd connector wall thickness, and the second solder portion is located at the 3rd connector outer wall and institute The length between the second connection inside pipe wall is stated as 5mm-15mm, second solder portion is located at the 3rd connector outer wall and institute The width between the second connection inside pipe wall is stated as 0.025mm-0.15mm, second solder portion is located at outside the 3rd connector Width between wall and the second connection inside pipe wall is second solder portion perpendicular to the 3rd connector axis direction Distance；
The length of the second solder portion between the 4th connector outer wall and the second connector inner wall is institute The 2 times or more of the second connector wall thickness is stated, between the 4th connector outer wall and the second connector inner wall The length of two solder portions is the 2 times or more of the 4th connector wall thickness, and the second solder portion is located at the 4th connector outer wall Length between the second connector inner wall is 5mm-15mm, and the second solder portion is located at the 4th connector outer wall and institute Width between the second connector inner wall is stated as 0.025mm-0.15mm, the second solder portion be located at the 4th connector outer wall and Width between the second connector inner wall is the second solder portion perpendicular to the distance of the 4th connector axis direction；
With reference to Figure 21, Figure 29-Figure 32, the outer diameter of the 3rd connector 71 is less than or equal to 70 internal diameter of the second connecting tube；3rd Connector 71 includes flange part 226, and the flange part 226 of the 3rd connector 71 is located at 71 port position of the 3rd connector, and the 3rd connects The flange part 226 of fitting 71 includes positioning table 2261 and root 2262, and the positioning table 2261 of the 3rd connector 71 is connected from the 3rd The root 2262 of the flange part 226 of part 71 outwards circumferentially extends, 2261 and the 3rd connector 71 of positioning table of the 3rd connector 71 End offsets；
3rd connector 71 includes first end 222 and second end 223, the first end of the 3rd connector 71 222 Inside the second connecting tube 70, the 3rd connector 71 includes body part 227 and stopper protrusion 228, the /V of the 3rd connector 71 Protrusion 228 is located at 222 position of first end of the 3rd connector 71, and the stopper protrusion 228 of the 3rd connector 71 connects from the 3rd The body part 227 of fitting 71 extends to 71 inner cavity of the 3rd connector, and the stopper protrusion 228 of the 3rd connector 71 includes the second /V Face 2280, the second confined planes 2280 of the 3rd connector 71 and 222 phase of first end of the 3rd connector 71 are back to setting；
With reference to Figure 21, Figure 33-Figure 36, the outer diameter of the 4th connector 72 is less than or equal to the second connector 22b internal diameters；4th Connector 72 includes flange part 226, and the flange part 226 of the 4th connector 72 is located at 72 port position of the 4th connector, and the 4th connects The flange part 226 of fitting 72 includes positioning table 2261 and root 2262, and the positioning table 2261 of the 4th connector 72 is connected from the 4th The root 2262 of the flange part 226 of part 72 outwards circumferentially extends, 2261 and the 4th connector 72 of positioning table of the 4th connector 72 End offsets；
4th connector 72 includes first end 222 and second end 223, the first end of the 4th connector 72 222 Inside the second connector 22b, the 4th connector 72 includes body part 227 and stopper protrusion 228, the /V of the 4th connector 72 Protrusion 228 is located at 222 position of first end of the 4th connector 72, and the stopper protrusion 228 of the 4th connector 72 connects from the 4th The body part 227 of fitting 72 extends to 72 inner cavity of the 4th connector, and the stopper protrusion 228 of the 4th connector 72 includes the second /V Face 2280, the second confined planes 2280 of the 4th connector 72 and 222 phase of first end of the 4th connector 72 are back to setting.
Include the first take over 11 and the second take over 12 referring back to Figure 15, the first electric expansion valve 10a, described first takes over 11 set the first interface portion 110,12 setting of the second take over second interface portion 120；Second electronic expansion Valve 10b include the 3rd take over 13 and the 4th take over 14,13 setting of the 3rd take over the 3rd interface portion 130, the described 4th 14 setting of take over the 4th interface portion 140.
There is the first auxiliary section 61, the second auxiliary section 62 and the 3rd to match somebody with somebody by the first connectedness 60a, the second connectedness 60b Conjunction portion 63, first auxiliary section 61, the second auxiliary section 62 are connected with the 3rd auxiliary section 63, the first connectedness 60a The 3rd auxiliary section 63 be welded and fixed with first take over 11, the second auxiliary section 62 of the first connectedness 60a with it is described 3rd take over 13 is welded and fixed, and the first auxiliary section 61 and the connecting portion 32 of the first connectedness 60a are welded and fixed, described 61 clearance fit of the first auxiliary section of connecting portion 32 and the first connectedness 60a, connecting portion outer diameter are less than in the first auxiliary section Footpath；The second auxiliary section 62 of the second connectedness 60b is welded and fixed with second take over 12, and the of second connectedness Three auxiliary sections 63 are welded and fixed with the 4th take over 14.
First connectedness, the second connectedness are, for example, three-port structure, to cause the first connectedness, the second connectedness and first Electric expansion valve, the connection of the second electric expansion valve are more convenient, and expansion valve component 200 includes the first bend pipe 81 and the second bend pipe 82, first bend pipe 81 connects the second auxiliary section 62 of the first connectedness 60a and the first interface portion 110, described 62 clearance fit of the second auxiliary section of one end of first bend pipe 81 and the first connectedness 60a are simultaneously welded and fixed, described first The other end of bend pipe 81 and 110 clearance fit of first interface portion are simultaneously welded and fixed；Second bend pipe 82 connects described The 3rd auxiliary section 63 of one connectedness 60a and the 3rd interface portion 130, one end of second bend pipe 82 connect with described first 63 clearance fit of the 3rd auxiliary section of parts 60a is simultaneously welded and fixed, the other end of second bend pipe 82 and the 3rd interface 130 clearance fit of portion is simultaneously welded and fixed；
The expansion valve component 200 includes the 3rd bend pipe 83 and the 4th bend pipe 84, and the 3rd bend pipe 83 connects described the The second auxiliary section 62 of two connectedness 60b and the second interface portion 120, one end of the 3rd bend pipe 83 connect with described second 62 clearance fit of the second auxiliary section of parts 60b is simultaneously welded and fixed, the other end and the second interface of the 3rd bend pipe 83 120 clearance fit of portion is simultaneously welded and fixed；4th bend pipe 84 connects the 3rd auxiliary section 63 and the institute of the second connectedness 60b State the 4th interface portion 140, one end of the 4th bend pipe 84 and 63 clearance fit of the 3rd auxiliary section of the second connectedness 60b And be welded and fixed, the other end of the 4th bend pipe 84 and 140 clearance fit of the 4th interface portion are simultaneously welded and fixed；Described One bend pipe, the second bend pipe, the 3rd bend pipe, the end of the 4th bend pipe are both provided with choke, and each choke is located at what is be secured to First interface portion or second interface portion or the 3rd interface portion or the 4th interface portion.Wherein, bend pipe, the first connectedness, the second connection The material of part can be copper, in order to weld.
Herein, connection includes being directly connected to and being indirectly connected with, i.e. the connection of two components contacts directly company including two components It connects, it also can be by the way that other parts be set to be attached.
It should be noted that：Above example is merely to illustrate the utility model and not limits described by the utility model Technical solution, such as isotropy defines to "front", "rear", "left", "right", " on ", " under ", although this specification reference The above embodiments have been carried out being described in detail to the utility model, still, it will be understood by those of ordinary skill in the art that, Person of ordinary skill in the field still can be mutually combined the utility model, change or equivalent substitution, and one Technical solution and its improvement for the spirit and scope for not departing from the utility model are cut, the right that should all cover in the utility model is wanted In the range of asking.

Claims (19)

1. a kind of expansion valve component, including the first electric expansion valve, the second electric expansion valve, filter element, first electronics Expansion valve includes first interface portion and second interface portion, and second electric expansion valve includes the 3rd interface portion and the 4th interface Portion；The filter element at least two, the filter element include the first connector and connecting portion, and the connecting portion is in institute State the end of filter element, the first interface portion, the 3rd interface portion and wherein one end of one of filter element Connecting portion is welded and fixed, the second interface portion, the 4th interface portion and the connection of one end of the wherein other filter element Portion is welded and fixed, the first connector inner hollow, and first connector is at least partially disposed at the connecting portion, and institute At least part and the connecting portion for stating the first connector are welded and fixed；
The first connector outer wall includes multiple first pressure contact portions, and first pressure contact portion is set with connecting portion inner wall compression It puts, electrolysis is formed between first pressure contact portion and the connecting portion inner wall or crimps a little；And/or the connecting portion inner wall bag Include multiple second pressure contact portions, second pressure contact portion is compressed with the first connector outer wall and set, second pressure contact portion with Electrolysis or crimping point are formed between the first connector outer wall；The filter element include the first solder portion, described first Space between connector outer wall and the connecting portion inner wall sets at least part of first solder portion, and the adjacent pressure Space between junction or crimping point sets at least part of first solder portion.
2. a kind of expansion valve component, described including the first electric expansion valve, the second electric expansion valve, filter element, muffler part First electric expansion valve includes first interface portion and second interface portion, and second electric expansion valve includes the 3rd interface portion and the Four interface portions；The filter element at least two, the first interface portion, the 3rd interface portion and one of filter house Part is welded and fixed, and the second interface portion, the 4th interface portion and the wherein other filter element are welded and fixed, the noise elimination Component includes path section, and the path section is located at the both ends of the muffler part, one of filter element and wherein One path section is welded and fixed；The muffler part include the second connector, the second connector inner hollow, described second Connector be at least partially disposed at the path section and at least part of second connector is welded and fixed with the path section, The second connector outer wall includes multiple first pressure contact portions, and first pressure contact portion is compressed with the path section inner wall and set, Electrolysis is formed between first pressure contact portion and the path section inner wall or is crimped a little；And/or the path section inner wall includes Multiple second pressure contact portions, second pressure contact portion are compressed with the second connector outer wall and set, second pressure contact portion and institute It states and electrolysis or crimping point is formed between the second connector outer wall；The muffler part includes the second solder portion, and described second connects Space between fitting outer wall and the path section inner wall sets at least part of second solder portion, and the adjacent crimping Space between face or crimping point sets at least part of second solder portion.
3. expansion valve component according to claim 2, it is characterised in that：When first connector includes the described first pressure During socket part, it is the first section to define perpendicular to the section of the first connector axis, and first pressure contact portion includes being located at institute The first crimping subdivision in the first section is stated, the section defined parallel to the first connector axis is the second section, described First pressure contact portion includes the second crimping subdivision positioned at second section, and the second crimping subdivision is prolonged in single axis It stretches setting or is arranged at intervals in more than two, the first crimping subdivision is set in more than two interval settings or in single circumferential direction It puts；First pressure contact portion is extended in the form of convex ribs and along the first connector axis direction, and described first Pressure contact portion with it is multiple be positioned apart from it is discrete in the form of salient point in the first connector outer wall or first pressure contact portion Ground is set；
When the connecting portion inner wall includes second pressure contact portion, it is the 3rd to define perpendicular to the section of the connecting portion axis Section, second pressure contact portion include the 3rd crimping subdivision positioned at the 3rd section, define parallel to the connecting portion The section of axis is the 4th section, and second pressure contact portion includes the 4th crimping subdivision positioned at the 4th section, described 4th crimping subdivision is extended in single axis or is arranged at intervals in two or more, and the 3rd crimping subdivision is in two It is above to be arranged at intervals or in single circumferentially disposed；Second pressure contact portion is in the form of convex ribs and along the connecting portion axis side To being extended, second pressure contact portion is positioned apart from multiple in the connecting portion inner wall or second pressure contact portion It is discretely set in the form of salient point；
When second connector includes first pressure contact portion, define and be perpendicular to the section of the second connector axis First section, first pressure contact portion include the first crimping subdivision positioned at first section, define parallel to described the The section of two connector axis is the second section, and first pressure contact portion includes the second crimping sub-portion positioned at second section Point, the second crimping subdivision is extended in single axis or is arranged at intervals in two or more, the first crimping sub-portion Divide and be arranged at intervals or in single circumferentially disposed in more than two；First pressure contact portion is in the form of convex ribs and along described second Connector axis direction is extended, and first pressure contact portion is positioned apart from multiple in the second connector outer wall, Or first pressure contact portion is discretely set in the form of salient point；
When the path section includes second pressure contact portion, it is the 3rd section to define perpendicular to the section of the path section axis Face, second pressure contact portion include the 3rd crimping subdivision positioned at the 3rd section, define parallel to the path section axis The section of line is the 4th section, and second pressure contact portion includes the 4th crimping subdivision positioned at the 4th section, described the Four crimping subdivisions is extended in single axis or in two or more be arranged at intervals, it is described 3rd crimping subdivision be in two with It is upper to be arranged at intervals or in single circumferentially disposed；Second pressure contact portion is in the form of convex ribs and along the path section axis direction Be extended, second pressure contact portion with it is multiple be positioned apart from the path section inner wall or second pressure contact portion with The form of salient point is discretely set；
In the axial direction of first connector, the first solder portion of the filter element is from the first connector Single port Peripheral position curve or linear extension are to the first connector another port peripheral position；In the axial direction of second connector Direction, the second solder portion of the muffler part is from the second connector Single port peripheral position curve or linear extension to institute State the second connector another port peripheral position.
4. expansion valve component according to claim 1, it is characterised in that：When first connector includes the described first pressure During socket part, it is the first section to define perpendicular to the section of the first connector axis, and first pressure contact portion includes being located at institute The first crimping subdivision in the first section is stated, the section defined parallel to the first connector axis is the second section, described First pressure contact portion includes the second crimping subdivision positioned at second section, and the second crimping subdivision is prolonged in single axis It stretches setting or is arranged at intervals in more than two, the first crimping subdivision is set in more than two interval settings or in single circumferential direction It puts；First pressure contact portion is extended in the form of convex ribs and along the first connector axis direction, and described first Pressure contact portion with it is multiple be positioned apart from it is discrete in the form of salient point in the first connector outer wall or first pressure contact portion Ground is set；
When the connecting portion inner wall includes second pressure contact portion, it is the 3rd to define perpendicular to the section of the connecting portion axis Section, second pressure contact portion include the 3rd crimping subdivision positioned at the 3rd section, define parallel to the connecting portion The section of axis is the 4th section, and second pressure contact portion includes the 4th crimping subdivision positioned at the 4th section, described 4th crimping subdivision is extended in single axis or is arranged at intervals in two or more, and the 3rd crimping subdivision is in two It is above to be arranged at intervals or in single circumferentially disposed；Second pressure contact portion is in the form of convex ribs and along the connecting portion axis side To being extended, second pressure contact portion is positioned apart from multiple in the connecting portion inner wall or second pressure contact portion It is discretely set in the form of salient point；
In the axial direction of first connector, the first solder portion of the filter element is from the first connector Single port Peripheral position curve or linear extension are to the first connector another port peripheral position.
5. the expansion valve component according to Claims 2 or 3, it is characterised in that：The filter element and/or first company Fitting includes the first limiting section, and first limiting section includes the first confined planes, and first solder portion is at least partially disposed at institute The first limiting section is stated, and first solder portion is at least partly oppositely arranged or contacts setting with first confined planes；It is located at The length of the first solder portion between the first connector outer wall and the connecting portion inner wall is 2 times of the connecting portion wall thickness More than, the length of the first solder portion between the first connector outer wall and the connecting portion inner wall connects for described first The 2 times or more of fitting wall thickness, first solder portion is between the first connector outer wall and the connecting portion inner wall Length is 5mm-15mm, width of first solder portion between the first connector outer wall and the connecting portion inner wall For 0.025mm-0.15mm, width of first solder portion between the first connector outer wall and the connecting portion inner wall Spend the distance perpendicular to the first connector axis direction for first solder portion；First pressure contact portion accounts for described first The area for the peripheral wall that the area of the peripheral wall of connector is less than 8% and/or second pressure contact portion accounts for the connecting portion is 8% Hereinafter, wherein the peripheral wall of first connector is first connector and the first connector at the connecting portion cooperation Outer wall, the peripheral wall of the connecting portion are the inner wall of first connector and the connecting portion at the connecting portion cooperation；
The path section and/or second connector include the first limiting section, and first limiting section includes the first confined planes, Second solder portion is at least partially arranged at first limiting section, and second solder portion at least part and described first Confined planes are oppositely arranged or contact setting；The second solder between the second connector outer wall and the path section inner wall The length in portion is the 2 times or more of the path section wall thickness, between the second connector outer wall and the path section inner wall The second solder portion length be the second connector wall thickness 2 times or more, second solder portion be located at described second connect Length between fitting outer wall and the path section inner wall is 5mm-15mm, and second solder portion is located at second connector Width between outer wall and the path section inner wall is 0.025mm-0.15mm, and second solder portion is located at the described second connection Width between part outer wall and the path section inner wall is first solder portion perpendicular to the second connector axis direction Distance；First pressure contact portion accounts for the area of the peripheral wall of second connector as less than 8% and/or second crimping The area that portion accounts for the peripheral wall of the path section is less than 8%, wherein the peripheral wall of second connector is second connector With the outer wall of the second connector at the path section cooperation, the peripheral wall of the path section for second connector with it is described small The inner wall of connecting portion at the section cooperation of footpath.
6. the expansion valve component according to claim 1 or 4, it is characterised in that：The filter element and/or first company Fitting includes the first limiting section, and first limiting section includes the first confined planes, and first solder portion is at least partially disposed at institute The first limiting section is stated, and first solder portion is at least partly oppositely arranged or contacts setting with first confined planes；It is located at The length of the first solder portion between the first connector outer wall and the connecting portion inner wall is 2 times of the connecting portion wall thickness More than, the length of the first solder portion between the first connector outer wall and the connecting portion inner wall connects for described first The 2 times or more of fitting wall thickness, first solder portion is between the first connector outer wall and the connecting portion inner wall Length is 5mm-15mm, width of first solder portion between the first connector outer wall and the connecting portion inner wall For 0.025mm-0.15mm, width of first solder portion between the first connector outer wall and the connecting portion inner wall Spend the distance perpendicular to the first connector axis direction for first solder portion；First pressure contact portion accounts for described first The area for the peripheral wall that the area of the peripheral wall of connector is less than 8% and/or second pressure contact portion accounts for the connecting portion is 8% Hereinafter, wherein the peripheral wall of first connector is first connector and the first connector at the connecting portion cooperation Outer wall, the peripheral wall of the connecting portion are the inner wall of first connector and the connecting portion at the connecting portion cooperation.
7. the expansion valve component according to claim 1 or 4, it is characterised in that：The outer diameter of first connector be less than or Equal to the filter element internal diameter；First connector includes flange part, and the flange part is located at connecting portion port position It puts, the flange part includes positioning table and root, and the positioning table is outwards circumferentially extended from the root of the flange part, described fixed Position platform offsets with the connecting portion end.
8. the expansion valve component according to Claims 2 or 3, it is characterised in that：The outer diameter of first connector be less than or Equal to the filter element internal diameter；First connector includes flange part, and the flange part is located at connecting portion port position It puts, the flange part includes positioning table and root, and the positioning table is outwards circumferentially extended from the root of the flange part, described fixed Position platform offsets with the connecting portion end；
The outer diameter of second connector is less than or equal to the muffler part internal diameter；Second connector includes flange part, The flange part is located at the path section port position, and the flange part includes positioning table and root, and the positioning table is described in The root of flange part outwards circumferentially extends, and the positioning table offsets with the path section end.
9. the expansion valve component according to Claims 2 or 3, it is characterised in that：First connector include body part and Stopper protrusion, the stopper protrusion extend from the body part to the first connector inner cavity, and first connector includes First end and second end, the first end are located inside the filter element, and the second end is located at the filtering The port position of component, the stopper protrusion are located at the first end position, and the stopper protrusion is formed with the second /V Face, the first end of second confined planes and first connector is mutually back to setting；
Second connector includes body part and stopper protrusion, and the stopper protrusion is from the body part to the described second connection Part inner cavity extends, and second connector includes first end and second end, and the first end is located at the muffler part Inside, the second end are located at the port position of the muffler part, and the stopper protrusion is located at the first end position Place, the stopper protrusion are formed with the second confined planes, and second confined planes are opposite with the first end of second connector To setting.
10. the expansion valve component according to claim 1 or 4, it is characterised in that：First connector include body part and Stopper protrusion, the stopper protrusion extend from the body part to the first connector inner cavity, and first connector includes First end and second end, the first end are located inside the filter element, and the second end is located at the filtering The port position of component, the stopper protrusion are located at the first end position, and the stopper protrusion is formed with the second /V Face, the first end of second confined planes and first connector is mutually back to setting.
11. the expansion valve component according to Claims 2 or 3, it is characterised in that：The expansion valve component includes the first connection Part and the second connectedness, first connectedness, the second connectedness include main part, the first auxiliary section, the second auxiliary section, the 3rd Auxiliary section, the main part connect first auxiliary section, the second auxiliary section, the 3rd auxiliary section, and first connectedness First auxiliary section is welded and fixed with one of filter element, the second auxiliary section and the first interface of first connectedness Portion is welded and fixed, and the 3rd auxiliary section and the 3rd interface portion of first connectedness are welded and fixed, second connectedness The first auxiliary section be welded and fixed with other in which filter element, the second auxiliary section of second connectedness and described second Interface portion is welded and fixed, and the 3rd auxiliary section and the 4th interface portion of second connectedness are welded and fixed；
First connector is two, and first connector is connected with first auxiliary section, and definition is matched somebody with somebody with described first First connector of conjunction portion connection is the first connector of I classes, defines the first other connector as the first connector of II classes；
(1) one end of first connector of I classes and the connecting portion of the filter element are welded and fixed, and the I classes first connect The other end of part is connected with first auxiliary section；
(2) first connector of I classes is welded and fixed with the connecting portion, and the expansion valve component includes the first connecting tube, institute At least part and the first connector of I classes inner wall for stating the first connecting tube are welded and fixed；
And/or any one of first connector of II classes in following：
(1) one end of first connector of II classes and the connecting portion of the filter element are welded and fixed；
(2) connecting portion of first connector of II classes and the filter element is welded and fixed, and the expansion valve component includes the Two connecting tubes, at least part of second connecting tube are welded and fixed with the first connector of II classes inner wall；
Second connector is two, and second connector is welded and fixed with the path section, definition and the filter house Second connector of part connection is the second connector of I classes, defines the second other connector as the second connector of II classes；
And/or any one of second connector of I classes in following：
(1) one end of second connector of I classes is welded and fixed with the path section, the other end of second connector of I classes It is connected with the filter element；
(2) second connector of I classes is welded and fixed with the path section, and the expansion valve component includes the first connecting tube, institute At least part and the second connector of I classes inner wall for stating the first connecting tube are welded and fixed；
And/or any one of second connector of II classes in following：
(1) one end of second connector of II classes is welded and fixed with the path section；
(2) second connector of II classes is welded and fixed with the path section, and the expansion valve component includes the second connecting tube, institute At least part and the second connector of II classes inner wall for stating the second connecting tube are welded and fixed.
12. the expansion valve component according to claim 1 or 4, it is characterised in that：The expansion valve component includes the first connection Part and the second connectedness, first connectedness, the second connectedness include main part, the first auxiliary section, the second auxiliary section, the 3rd Auxiliary section, the main part connect first auxiliary section, the second auxiliary section, the 3rd auxiliary section, and first connectedness First auxiliary section is welded and fixed with one of filter element, the second auxiliary section and the first interface of first connectedness Portion is welded and fixed, and the 3rd auxiliary section and the 3rd interface portion of first connectedness are welded and fixed, second connectedness The first auxiliary section be welded and fixed with other in which filter element, the second auxiliary section of second connectedness and described second Interface portion is welded and fixed, and the 3rd auxiliary section and the 4th interface portion of second connectedness are welded and fixed；
First connector is two, and first connector is connected with first auxiliary section, and definition is matched somebody with somebody with described first First connector of conjunction portion connection is the first connector of I classes, defines the first other connector as the first connector of II classes；
(1) one end of first connector of I classes and the connecting portion of the filter element are welded and fixed, and the I classes first connect The other end of part is connected with first auxiliary section；
(2) first connector of I classes is welded and fixed with the connecting portion, and the expansion valve component includes the first connecting tube, institute At least part and the first connector of I classes inner wall for stating the first connecting tube are welded and fixed；
And/or any one of first connector of II classes in following：
(1) one end of first connector of II classes and the connecting portion of the filter element are welded and fixed；
(2) connecting portion of first connector of II classes and the filter element is welded and fixed, and the expansion valve component includes the Two connecting tubes, at least part of second connecting tube are welded and fixed with the first connector of II classes inner wall.
13. expansion valve component according to claim 11, it is characterised in that：The expansion valve component includes shut-off valve, institute Stating shut-off valve includes valve port portion；Second connector of II classes is welded and fixed with the path section, and the expansion valve component includes Second connecting tube, one end of second connecting tube are welded and fixed with the second connector of II classes inner wall, second connection The other end of pipe and the valve port portion be welded and fixed or one end of second connecting tube in second connector of II classes Wall is welded and fixed, and the other end of second connecting tube sets the 3rd connector, and the 3rd connector is connected with described second Inside pipe wall is welded and fixed, and the 3rd connector is welded and fixed with the valve port portion；Or the one of second connector of II classes End is welded and fixed with the path section, and the other end and the valve port portion of second connector of II classes are welded and fixed；Or institute The one end and the path section for stating the second connector of II classes are welded and fixed, and the other end of second connector of II classes sets the 4th Connector, the 4th connector are welded and fixed with the second connector of II classes inner wall, the 4th connector and the valve Oral area is welded and fixed.
14. expansion valve component according to claim 12, it is characterised in that：The expansion valve component includes shut-off valve, institute Stating shut-off valve includes valve port portion；Second connector of II classes is welded and fixed with the path section, and the expansion valve component includes Second connecting tube, one end of second connecting tube are welded and fixed with the second connector of II classes inner wall, second connection The other end of pipe and the valve port portion be welded and fixed or one end of second connecting tube in second connector of II classes Wall is welded and fixed, and the other end of second connecting tube sets the 3rd connector, and the 3rd connector is connected with described second Inside pipe wall is welded and fixed, and the 3rd connector is welded and fixed with the valve port portion；Or the one of second connector of II classes End is welded and fixed with the path section, and the other end and the valve port portion of second connector of II classes are welded and fixed；Or institute The one end and the path section for stating the second connector of II classes are welded and fixed, and the other end of second connector of II classes sets the 4th Connector, the 4th connector are welded and fixed with the second connector of II classes inner wall, the 4th connector and the valve Oral area is welded and fixed.
15. expansion valve component according to claim 13, it is characterised in that：Second connecting tube or the second connector bag Including the second solder portion and the second limiting section or the 3rd connector or the 4th connector includes the second limiting section, and described the Two limiting sections include the first confined planes, and the second solder portion of second connecting tube or the second connector is at least partially arranged at institute The second limiting section is stated, and first confined planes of second solder portion at least partly with second limiting section are oppositely arranged or connect It touches and sets；
The outer diameter of 3rd connector is less than or equal to the described second connection bore；3rd connector includes flange Portion, the flange part of the 3rd connector are located at the 3rd connector port position, the flange part bag of the 3rd connector Include positioning table and root, the root of the flange part of the positioning table of the 3rd connector from the 3rd connector is outwards circumferentially prolonged It stretches, positioning table and the 3rd connector end of the 3rd connector offset；
The outer diameter of 4th connector is less than or equal to the second connector internal diameter；4th connector includes flange Portion, the flange part of the 4th connector are located at the 4th connector port position, the flange part bag of the 4th connector Include positioning table and root, the root of the flange part of the positioning table of the 4th connector from the 4th connector is outwards circumferentially prolonged It stretches, positioning table and the 4th connector end of the 4th connector offset；
3rd connector includes first end and second end, and the first end of the 3rd connector is located at described second Inside connecting tube, the 3rd connector includes body part and stopper protrusion, and the stopper protrusion of the 3rd connector is located at institute At the first end position for stating the 3rd connector, the stopper protrusion of the 3rd connector is from the body part of the 3rd connector Extend to the 3rd connector inner cavity, the stopper protrusion of the 3rd connector includes the second confined planes, the 3rd connection The first end of second confined planes of part and the 3rd connector is mutually back to setting；
4th connector includes first end and second end, and the first end of the 4th connector is located at described second Inside connector, the 4th connector includes body part and stopper protrusion, and the stopper protrusion of the 4th connector is located at institute At the first end position for stating the 4th connector, the stopper protrusion of the 4th connector is from the body part of the 4th connector Extend to the 4th connector inner cavity, the stopper protrusion of the 4th connector includes the second confined planes, the 4th connection The first end of second confined planes of part and the 4th connector is mutually back to setting.
16. expansion valve component according to claim 14, it is characterised in that：Second connecting tube or the second connector bag Including the second solder portion and the second limiting section or the 3rd connector or the 4th connector includes the second limiting section, and described the Two limiting sections include the first confined planes, and the second solder portion of second connecting tube or the second connector is at least partially arranged at institute The second limiting section is stated, and first confined planes of second solder portion at least partly with second limiting section are oppositely arranged or connect It touches and sets；
The outer diameter of 3rd connector is less than or equal to the described second connection bore；3rd connector includes flange Portion, the flange part of the 3rd connector are located at the 3rd connector port position, the flange part bag of the 3rd connector Include positioning table and root, the root of the flange part of the positioning table of the 3rd connector from the 3rd connector is outwards circumferentially prolonged It stretches, positioning table and the 3rd connector end of the 3rd connector offset；
The outer diameter of 4th connector is less than or equal to the second connector internal diameter；4th connector includes flange Portion, the flange part of the 4th connector are located at the 4th connector port position, the flange part bag of the 4th connector Include positioning table and root, the root of the flange part of the positioning table of the 4th connector from the 4th connector is outwards circumferentially prolonged It stretches, positioning table and the 4th connector end of the 4th connector offset；
3rd connector includes first end and second end, and the first end of the 3rd connector is located at described second Inside connecting tube, the 3rd connector includes body part and stopper protrusion, and the stopper protrusion of the 3rd connector is located at institute At the first end position for stating the 3rd connector, the stopper protrusion of the 3rd connector is from the body part of the 3rd connector Extend to the 3rd connector inner cavity, the stopper protrusion of the 3rd connector includes the second confined planes, the 3rd connection The first end of second confined planes of part and the 3rd connector is mutually back to setting；
4th connector includes first end and second end, and the first end of the 4th connector is located at described second Inside connector, the 4th connector includes body part and stopper protrusion, and the stopper protrusion of the 4th connector is located at institute At the first end position for stating the 4th connector, the stopper protrusion of the 4th connector is from the body part of the 4th connector Extend to the 4th connector inner cavity, the stopper protrusion of the 4th connector includes the second confined planes, the 4th connection The first end of second confined planes of part and the 4th connector is mutually back to setting.
17. expansion valve component according to claim 11, it is characterised in that：First electric expansion valve connects including first It pipe and second takes over, second electric expansion valve is taken over including the 3rd to be taken over the 4th, and described first takes over setting described the One interface portion, described second takes over the second interface portion of setting, and the described 3rd takes over and set the 3rd interface portion, and described the Four take over setting the 4th interface portion；
The expansion valve component includes the first bend pipe and the second bend pipe, and first bend pipe connects the second of first connectedness Auxiliary section and the first interface portion, one end of first bend pipe and the second auxiliary section clearance fit of first connectedness And be welded and fixed, the other end of first bend pipe and first interface portion clearance fit are simultaneously welded and fixed；Described second is curved Pipe connects the 3rd auxiliary section of first connectedness and the 3rd interface portion, one end of second bend pipe and described first 3rd auxiliary section clearance fit of connectedness is simultaneously welded and fixed, the other end of second bend pipe and the 3rd interface portion gap It is welded and fixed with merging；
The expansion valve component includes the 3rd bend pipe and the 4th bend pipe, and the 3rd bend pipe connects the second of second connectedness Auxiliary section and the second interface portion, one end of the 3rd bend pipe and the second auxiliary section clearance fit of second connectedness And be welded and fixed, the other end of the 3rd bend pipe and second interface portion clearance fit are simultaneously welded and fixed；Described 4th is curved Pipe connects the 3rd auxiliary section of second connectedness and the 4th interface portion, one end and described second of the 4th bend pipe 3rd auxiliary section clearance fit of connectedness is simultaneously welded and fixed, the other end and the 4th interface portion gap of the 4th bend pipe It is welded and fixed with merging；
First bend pipe, the second bend pipe, the 3rd bend pipe, the end of the 4th bend pipe are both provided with choke, and each choke is located at The first interface portion or second interface portion that are secured to or the 3rd interface portion or the 4th interface portion.
18. expansion valve component according to claim 12, it is characterised in that：First electric expansion valve connects including first It pipe and second takes over, second electric expansion valve is taken over including the 3rd to be taken over the 4th, and described first takes over setting described the One interface portion, described second takes over the second interface portion of setting, and the described 3rd takes over and set the 3rd interface portion, and described the Four take over setting the 4th interface portion；
The expansion valve component includes the first bend pipe and the second bend pipe, and first bend pipe connects the second of first connectedness Auxiliary section and the first interface portion, one end of first bend pipe and the second auxiliary section clearance fit of first connectedness And be welded and fixed, the other end of first bend pipe and first interface portion clearance fit are simultaneously welded and fixed；Described second is curved Pipe connects the 3rd auxiliary section of first connectedness and the 3rd interface portion, one end of second bend pipe and described first 3rd auxiliary section clearance fit of connectedness is simultaneously welded and fixed, the other end of second bend pipe and the 3rd interface portion gap It is welded and fixed with merging；
The expansion valve component includes the 3rd bend pipe and the 4th bend pipe, and the 3rd bend pipe connects the second of second connectedness Auxiliary section and the second interface portion, one end of the 3rd bend pipe and the second auxiliary section clearance fit of second connectedness And be welded and fixed, the other end of the 3rd bend pipe and second interface portion clearance fit are simultaneously welded and fixed；Described 4th is curved Pipe connects the 3rd auxiliary section of second connectedness and the 4th interface portion, one end and described second of the 4th bend pipe 3rd auxiliary section clearance fit of connectedness is simultaneously welded and fixed, the other end and the 4th interface portion gap of the 4th bend pipe It is welded and fixed with merging；
First bend pipe, the second bend pipe, the 3rd bend pipe, the end of the 4th bend pipe are both provided with choke, and each choke is located at The first interface portion or second interface portion that are secured to or the 3rd interface portion or the 4th interface portion.
19. according to the expansion valve component any one of claim 13-16, it is characterised in that：First electronic expansion Valve is taken over including first and is taken over second, and second electric expansion valve is taken over including the 3rd to be taken over the 4th, and described first connects Pipe sets the first interface portion, and described second takes over the second interface portion that sets, and the described 3rd takes over setting the described 3rd Interface portion, the described 4th takes over setting the 4th interface portion；
The expansion valve component includes the first bend pipe and the second bend pipe, and first bend pipe connects the second of first connectedness Auxiliary section and the first interface portion, one end of first bend pipe and the second auxiliary section clearance fit of first connectedness And be welded and fixed, the other end of first bend pipe and first interface portion clearance fit are simultaneously welded and fixed；Described second is curved Pipe connects the 3rd auxiliary section of first connectedness and the 3rd interface portion, one end of second bend pipe and described first 3rd auxiliary section clearance fit of connectedness is simultaneously welded and fixed, the other end of second bend pipe and the 3rd interface portion gap It is welded and fixed with merging；
The expansion valve component includes the 3rd bend pipe and the 4th bend pipe, and the 3rd bend pipe connects the second of second connectedness Auxiliary section and the second interface portion, one end of the 3rd bend pipe and the second auxiliary section clearance fit of second connectedness And be welded and fixed, the other end of the 3rd bend pipe and second interface portion clearance fit are simultaneously welded and fixed；Described 4th is curved Pipe connects the 3rd auxiliary section of second connectedness and the 4th interface portion, one end and described second of the 4th bend pipe 3rd auxiliary section clearance fit of connectedness is simultaneously welded and fixed, the other end and the 4th interface portion gap of the 4th bend pipe It is welded and fixed with merging；
First bend pipe, the second bend pipe, the 3rd bend pipe, the end of the 4th bend pipe are both provided with choke, and each choke is located at The first interface portion or second interface portion that are secured to or the 3rd interface portion or the 4th interface portion.
CN201720775740.1U 2017-06-29 2017-06-29 Expansion valve component Active CN207395252U (en)

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CN201720775740.1U CN207395252U (en) 2017-06-29 2017-06-29 Expansion valve component

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022222549A1 (en) * 2021-04-21 2022-10-27 广东美的暖通设备有限公司 Air conditioner pipe fitting, air conditioner pipeline, and air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022222549A1 (en) * 2021-04-21 2022-10-27 广东美的暖通设备有限公司 Air conditioner pipe fitting, air conditioner pipeline, and air conditioner

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