CN117006261A - Sliding block assembly, die, four-way valve and processing method of sliding block assembly - Google Patents

Sliding block assembly, die, four-way valve and processing method of sliding block assembly Download PDF

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Publication number
CN117006261A
CN117006261A CN202210462621.6A CN202210462621A CN117006261A CN 117006261 A CN117006261 A CN 117006261A CN 202210462621 A CN202210462621 A CN 202210462621A CN 117006261 A CN117006261 A CN 117006261A
Authority
CN
China
Prior art keywords
lining
mold
groove
positioning
block assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210462621.6A
Other languages
Chinese (zh)
Inventor
邵巨灿
刘海波
单宇宽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang DunAn Hetian Metal Co Ltd
Original Assignee
Zhejiang DunAn Hetian Metal Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang DunAn Hetian Metal Co Ltd filed Critical Zhejiang DunAn Hetian Metal Co Ltd
Priority to CN202210462621.6A priority Critical patent/CN117006261A/en
Priority to PCT/CN2023/091872 priority patent/WO2023208234A1/en
Publication of CN117006261A publication Critical patent/CN117006261A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14467—Joining articles or parts of a single article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/0655—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with flat slides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14122—Positioning or centering articles in the mould using fixed mould wall projections for centering the insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/748—Machines or parts thereof not otherwise provided for
    • B29L2031/7506—Valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Check Valves (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The application provides a sliding block assembly, a die, a four-way valve and a method for processing the sliding block assembly, wherein the method comprises the following steps of: a liner having a receiving cavity; the supporting part is arranged in the accommodating cavity and is provided with two end parts which are oppositely arranged, the two end parts are respectively connected with the lining, and the supporting part is used for supporting the lining; the shell of moulding plastics, parcel are in the periphery of inside lining, and the bottom of the shell of moulding plastics has annular flange, and annular flange is located the bottom of inside lining and supporting part, and annular flange can backstop inside lining and supporting part. According to the technical scheme, the problem that the supporting part is easy to fall off in the prior art can be solved.

Description

Sliding block assembly, die, four-way valve and processing method of sliding block assembly
Technical Field
The application relates to the technical field of valves, in particular to a sliding block assembly, a die, a four-way valve and a processing method of the sliding block assembly.
Background
The slider assembly in a four-way valve typically includes an inner liner, an injection molded shell, and a support. The bottom of the lining is provided with two positioning grooves which are oppositely arranged, and the injection molding shell is injection molded on the outer peripheral surface of the lining. When the sliding block assembly is processed, an injection molding shell is generally injected on the outer peripheral surface of the inner liner, and a pin supporting guide groove is arranged on the surface of the injection molding shell; and then, pressing two end parts of the supporting part into the two supporting pin guide grooves, and pressing the supporting part into the lining positioning groove along the supporting pin guide grooves so as to realize the support of the lining, reduce the deformation of the lining and ensure the sealing effect of the sliding block assembly on the four-way valve.
However, after the slider assembly assembled in the above manner is used for a long time, the supporting part is easy to separate from the pin supporting guide groove in the use process due to the pin supporting guide groove, so that the inner lining is deformed, and the sealing effect of the slider assembly on the four-way valve is affected.
Disclosure of Invention
The application provides a sliding block assembly, a die, a four-way valve and a processing method of the sliding block assembly, which are used for solving the problem that a supporting part in the prior art is easy to fall off.
According to one aspect of the present application, there is provided a slider assembly comprising: a liner having a receiving cavity; the supporting part is arranged in the accommodating cavity and is provided with two end parts which are oppositely arranged, the two end parts are respectively detachably connected with the lining, and the supporting part is used for supporting the lining; the shell of moulding plastics, parcel are in the periphery of inside lining, and the bottom of the shell of moulding plastics has annular flange, and annular flange is located the bottom of inside lining and supporting part, and annular flange can backstop inside lining and supporting part.
By applying the technical scheme of the application, the annular flange stops the supporting part and the lining, so that the situation that the supporting part is separated from the lining can be avoided, and the supporting effect of the supporting part on the lining can be ensured. Specifically, when the sliding block assembly is assembled, the supporting part is connected with the inner liner at first, then, the outer peripheral surface of the inner liner is subjected to injection molding, and an injection molding shell is formed, so that the annular flange of the injection molding shell is positioned at the bottoms of the supporting part and the inner liner, and the supporting part and the inner liner are subjected to stop limiting. Compared with the traditional technical scheme, the annular flange can ensure the stability of connection between the supporting part and the lining, further ensure the supporting effect of the supporting part on the lining, reduce the deformation of the lining and ensure the sealing effect of the lining.
Further, a positioning structure is arranged between the supporting part and the lining, and the supporting part is detachably connected with the lining through the positioning structure. The setting of location structure can guarantee supporting part and inside lining complex position accuracy, promotes injection molding shell fashioned smoothness nature.
Further, the locating structure comprises locating grooves, two locating grooves are oppositely formed in the bottom of the lining, the locating grooves are in one-to-one correspondence with the end portions, the end portions are located in the locating grooves, and the end portions are in locating fit with the locating grooves. The positioning groove is simple in structure and convenient for processing and forming the lining.
Further, the end portion is a transition fit or interference fit with the detent. So set up, can promote the convenience of assembling inside lining and supporting part.
Further, the inside lining includes first body and bellying, and the bellying setting is at the outer peripheral face of first body, and the inner peripheral face of injection molding shell has the joint groove, and the joint groove is located the top of annular flange, and the bellying inlays to be established in the joint groove. So set up, can guarantee the stability that inside lining and injection molding shell are connected.
Further, the protruding portion is annularly arranged at the bottom of the first body, and the bottom surface of the protruding portion is attached to the upper surface of the annular flange. So set up, can guarantee the convenience to injection molding of injection molding shell.
Further, the injection molding shell is also provided with an annular positioning part, the annular positioning part is annularly arranged on the outer peripheral surface of the annular flange, and the bottom surface of the annular positioning part is flush with the bottom surface of the annular flange. The setting of annular location portion can promote the structural strength of slider subassembly.
Further, the top surface of the annular positioning part is higher than the clamping groove. So set up, can guarantee the structural strength of the bottom of slider subassembly.
Further, the inner wall of the bottom of the first body is flush with the inner wall of the annular flange. So set up, can guarantee the convenience to the assembly shaping of slider subassembly to, can guarantee the smoothness of slider subassembly inner wall.
According to another aspect of the present application, there is provided a mold for processing a slider assembly as described above, the mold comprising an upper mold and a lower mold which are engaged with each other to form a molding space, the lower mold having a lining support portion, an outer surface of the lining support portion being adapted to be fitted with an inner surface of a lining of the slider assembly, a mating groove being provided at a top of the lining support portion, the mating groove extending toward a bottom of the lining support portion, the mating groove having a top end and a bottom end which are disposed opposite to each other, the bottom end being in positioning engagement with the support portion of the slider assembly, the mold further having an injection runner, the injection runner being in communication with the molding space. So set up, can promote the convenience to injection molding of injection molding shell.
Further, the cross-sectional area of the mating groove gradually decreases in the top-to-bottom direction. So set up, can conveniently put into the cooperation inslot with supporting part, also conveniently carry out the drawing of patterns to the slider subassembly and handle.
Further, the circumference and the axial of the bottom of the cooperation groove cooperate spacing with the supporting part.
According to yet another aspect of the present application, there is provided a four-way valve including the slider assembly described above.
According to still another aspect of the present application, there is provided a method of processing a slider assembly, the method being applicable to the slider assembly described above, and employing the mold in the above-described scheme, the method of processing a slider assembly comprising the steps of:
step 1: assembling a support part and a lining of the sliding block assembly;
step 2: placing the assembled lining and supporting part into a mould for injection molding;
step 3: and demolding the injection molded sliding block assembly.
By applying the technical scheme of the application, the supporting part and the lining can be independently placed in the matching groove and the forming space, and the two end parts of the supporting part can be detachably connected with the lining respectively. Specifically, the top of inside lining supporting part is provided with the cooperation groove, and the cooperation groove extends to the bottom of inside lining supporting part, and the shaping space and the cooperation groove of mould communicate each other. Above-mentioned setting for the staff is when carrying out the operation of moulding plastics, and partly moulding plastics material flows to the bottom of the tip of supporting part and the bottom of inside lining and forms annular flange, and annular flange and the end connection of supporting part, and annular flange and the bottom of inside lining are connected. Therefore, the assembly of the sliding block assembly can be realized only through one-time injection molding process, the process is simple, the condition that the supporting part and the lining are separated from each other can not occur, and the structural stability of the sliding block assembly is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic view showing a structure of a slider assembly according to a first embodiment of the present application;
FIG. 2 illustrates a cross-sectional view of a slider assembly provided in accordance with a first embodiment of the present application;
FIG. 3 shows a partial schematic structure at A in FIG. 2;
FIG. 4 illustrates a cross-sectional view of another perspective of a slider assembly provided in accordance with a first embodiment of the present application;
FIG. 5 shows a partial schematic structure at B in FIG. 4;
FIG. 6 is a schematic view showing the structure of a liner according to a first embodiment of the present application;
fig. 7 is a schematic view showing the structure of a supporting portion provided according to a first embodiment of the present application;
fig. 8 is a schematic structural view of a support part according to a second embodiment of the present application;
fig. 9 shows a schematic structural view of a support part provided in accordance with an embodiment of the present application;
fig. 10 shows a cross-sectional view of a mold provided according to a fourth embodiment of the present application;
fig. 11 is a schematic view showing a structure of a mold matching with a liner and a support part according to a fourth embodiment of the present application.
Wherein the above figures include the following reference numerals:
10. a lining; 101. a positioning groove; 11. a first body; 12. a boss;
20. a support part; 21. a first rod body; 22. a first mating end; 23. a second rod body; 24. a second mating end;
30. injection molding of the shell; 301. an annular flange; 302. a clamping groove; 303. an annular positioning part; 31. a second body;
40. a mold; 401. a molding space; 402. injection molding a runner; 41. an upper die; 42. a lower die; 421. a liner support portion; 422. and a mating groove.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 7, a first embodiment of the present application provides a slider assembly including an inner liner 10, a support portion 20, and an injection molded case 30. Wherein the liner 10 has a receiving cavity. The supporting portion 20 is disposed in the accommodating cavity, the supporting portion 20 has two opposite ends, the two ends are respectively connected with the liner 10, and the supporting portion 20 is used for supporting the liner 10. The injection molding shell 30 wraps the periphery of the inner liner 10, the bottom of the injection molding shell 30 is provided with an annular flange 301, the annular flange 301 is located at the bottoms of the inner liner 10 and the supporting portion 20, and the annular flange 301 can stop the inner liner 10 and the supporting portion 20.
By applying the technical scheme of the application, the annular flange 301 stops the supporting part 20 and the lining 10, so that the situation that the supporting part 20 is separated from the lining 10 can be avoided, and the supporting effect of the supporting part 20 on the lining 10 can be ensured. Specifically, when the slider assembly is assembled, the support portion 20 is first connected to the liner 10, and then the outer peripheral surface of the liner 10 is injection molded to form the injection molded shell 30, so that the annular flange 301 of the injection molded shell 30 is located at the bottoms of the support portion 20 and the liner 10, and stops and limits the support portion 20 and the liner 10. Compared with the traditional technical scheme, the arrangement of the annular flange 301 in the application can ensure the stability of the connection between the support part 20 and the liner 10, further ensure the supporting effect of the support part 20 on the liner 10, reduce the deformation of the liner 10 and ensure the sealing effect of the liner 10. The annular rib 301 is formed at the bottom of the liner 10 and the support portion 20 by injection molding, so that the process of processing the slider assembly can be reduced as much as possible. In the present application, the support portion 20 is detachably connected to the liner 10, and convenience in assembling the support portion 20 and the liner 10 can be ensured.
Further, a positioning structure is provided between the support portion 20 and the liner 10, and the support portion 20 and the liner 10 are detachably connected through the positioning structure. The setting of location structure can guarantee the position accuracy between supporting part 20 and the inside lining 10, promotes the smoothness of injection molding process, guarantees annular flange 301 to the backstop effect of inside lining 10 and supporting part 20.
As shown in fig. 4 and 5, the positioning structure includes positioning grooves 101, two positioning grooves 101 are oppositely arranged at the bottom of the liner 10, the positioning grooves 101 are arranged in one-to-one correspondence with the end parts, the end parts are positioned in the positioning grooves 101, and the end parts are matched with the positioning grooves 101 in a positioning way. In this embodiment, the positioning groove 101 is disposed in communication with the accommodation chamber, and when the support portion 20 is mounted, the end portion of the support portion 20 is inserted into the positioning groove 101. The positioning groove 101 has a simple structure and is convenient for positioning and connecting the support part 20 and the liner 10.
As shown in fig. 6 and 7, the present embodiment does not limit the shape of the positioning groove 101 and the shape of the supporting portion 20. In this embodiment, the cross section of the positioning groove 101 is rectangular, the supporting portion 20 is in a rectangular rod-shaped structure, the cross section of each position of the supporting portion 20 along the extending direction of the supporting portion 20 is the same, the cross section of the supporting portion 20 is rectangular, and the shape of the end portion of the supporting portion 20 is adapted to the shape of the positioning groove 101. The above arrangement can ensure the stability of positioning the supporting part 20 by the positioning groove 101, and avoid the relative rotation of the supporting part 20 and the liner 10 in the injection molding process.
Specifically, the end portion is in transition fit with the positioning groove 101. By this arrangement, the convenience of assembling the support portion 20 and the liner 10 can be improved.
Optionally, the end is an interference fit with the detent 101.
As shown in fig. 2 to 5, the liner 10 includes a first body 11 and a protruding portion 12, the protruding portion 12 is disposed on an outer peripheral surface of the first body 11, an inner peripheral surface of the injection molding shell 30 has a clamping groove 302, the clamping groove 302 is located above the annular flange 301, and the protruding portion 12 is embedded in the clamping groove 302. By the arrangement, the protruding part 12 is in limit fit with the clamping groove 302, so that the stability of connection between the injection molding shell 30 and the liner 10 can be improved. In addition, the above arrangement can increase the contact area between the liner 10 and the injection molding shell 30, and further improve the connection stability between the injection molding shell 30 and the liner 10.
Further, the protruding portion 12 is annularly disposed at the bottom of the first body 11, and the bottom surface of the protruding portion 12 is attached to the upper surface of the annular flange 301. In this scheme, the bottom of first body 11 is turned outward to form bellying 12, and constant head tank 101 sets up in the bottom of first body 11, and the bottom surface of supporting part 20 and the bottom surface parallel and level setting of first body 11. So set up, can guarantee that the bottom surface of bellying 12, the bottom surface of supporting part 20 tip and the bottom surface three of first body 11 all can set up with annular flange 301's upper surface laminating, and then can promote annular flange 301 to inside lining 10 and supporting part 20's backstop effect, guarantee slider assembly's stability. In addition, the smoothness of the molding of the injection molding case 30 can be improved by the above arrangement.
As shown in fig. 2 to 5, the injection molding shell 30 further has an annular positioning portion 303, the annular positioning portion 303 is annularly disposed on the outer peripheral surface of the annular flange 301, and the bottom surface of the annular positioning portion 303 is flush with the bottom surface of the annular flange 301. The arrangement of the annular positioning part 303 can enable the sliding block assembly to be in limit fit with other parts of the four-way valve. In addition, the annular positioning portion 303 is provided, so that the structural strength of the slider assembly can be improved.
Further, the top surface of the annular positioning portion 303 is higher than the height of the clamping groove 302. Specifically, the injection molding shell 30 includes a second body 31, an annular flange 301 is disposed at the bottom of the second body 31, the inner diameter of the annular flange 301 is smaller than the inner diameter of the second body 31, and the outer wall of the bottom of the second body 31 is flush with the outer wall of the annular flange 301. The bottom end of the annular positioning portion 303 is annularly disposed on the outer peripheral surface of the annular flange 301, and the top end of the annular positioning portion 303 is annularly disposed on the outer peripheral surface of the second body 31. The whole rectangular structure that is of joint groove 302, joint groove 302 include first draw-in groove, second draw-in groove, third draw-in groove and the fourth draw-in groove of intercommunication in order, and wherein, first draw-in groove and third draw-in groove set up relatively, and second draw-in groove and fourth draw-in groove set up relatively, and the length of first draw-in groove is greater than the length of second draw-in groove. The first and third clamping grooves extend to the inside of the annular positioning portion 303 in the radial depth, and the first and third clamping grooves extend to the inside of the second body 31 in the radial depth. By the arrangement, the stability of connection between the lining 10 and the injection molding shell 30 can be improved on the premise of ensuring the structural strength of the sliding block assembly.
Further, the inner wall of the bottom of the first body 11 is flush with the inner wall of the annular rib 301. When carrying out the injection molding to the surface of inside lining 10, need use bed die and last mould to mutually support, specifically, need detain inside lining 10 and establish on the bed die, the inner wall of the bottom of first body 11 and the inner wall parallel and level setting of annular flange 301 can guarantee the smoothness of the outer wall of bed die, and then can guarantee the smoothness of drawing of patterns.
The second embodiment of the present application provides a slider assembly, which is different from the first embodiment in that, as shown in fig. 8, the supporting portion 20 includes a first rod 21 and two first mating ends 22, the first rod 21 is in a rectangular rod structure, the first mating ends 22 are in a rectangular block structure, and the two first mating ends 22 are symmetrically disposed at two ends of the first rod 21. The thickness of the first mating end 22 is the same as the thickness of the first rod body 21, the first mating end 22 and the first rod body 21 are coaxially arranged, and the cross-sectional area of the first mating end 22 is smaller than that of the first rod body 21. The first mating end 22 extends into the positioning slot 101 and is in positioning engagement with the positioning slot 101.
Alternatively, the positioning groove 101 is a first groove section and a second groove section which are mutually communicated along the radial direction of the liner 10, wherein the first groove section is communicated with the accommodating cavity, the first matching end 22 is matched with the second groove section in a positioning way, and the end part, close to the first matching end 22, of the first rod body 21 is matched with the first groove section in a positioning way.
The third embodiment of the present application provides a slider assembly, which is different from the first embodiment in that, as shown in fig. 9, the supporting portion 20 includes a second rod 23 and two second mating ends 24, the second rod 23 is in a rectangular rod-shaped structure, the second mating ends 24 are in a rectangular block-shaped structure, and the two second mating ends 24 are symmetrically disposed at two ends of the second rod 23. The thickness of the second mating end 24 is smaller than that of the second rod body 23, and the top surface of the second mating end 24 is flush with the top surface of the second rod body 23. The depth of the positioning groove 101 is the same as the thickness of the second rod body 23, and the second matching end 24 extends into the positioning groove 101 and is matched with the positioning groove 101 in a positioning way. The bottom of the injection molding shell 30 is provided with a limiting block, and the limiting block is used for filling the inside of the positioning groove 101 and is attached to the bottom surface of the second matching end 24.
A fourth embodiment of the present application provides a mold for processing the slider assembly in the foregoing, where the mold 40 includes an upper mold 41 and a lower mold 42 that are mutually matched, the upper mold 41 and the lower mold 42 are buckled to form a molding space 401, the lower mold 40 has a lining support portion 421, an outer surface of the lining support portion 421 is used for being attached to an inner surface of the lining 10 of the slider assembly, a mating groove 422 is provided at a top of the lining support portion 421, the mating groove 422 extends toward a bottom of the lining support portion 421, the mating groove 422 has a top end and a bottom end that are oppositely disposed, the bottom end is in positioning fit with the support portion 20 of the slider assembly, the mold 40 further has an injection runner 402, and the injection runner 402 is in communication with the molding space 401. And, an injection runner 402 is provided on the upper mold 41. By means of the arrangement, the lining 10 and the supporting portion 20 can be matched with the lower die, and injection molding of the injection molding shell 30 is facilitated.
Further, the cross-sectional area of the fitting groove 422 gradually decreases in the top-to-bottom direction. The mating groove 422 has a first sidewall and a second sidewall disposed opposite to each other, each of the first sidewall and the second sidewall is disposed obliquely, and a distance between the first sidewall and the second sidewall is gradually reduced from a top to a bottom direction. So configured, the support 20 is conveniently placed into the mating slot 422 and the slide assembly is also conveniently de-molded.
Further, the circumferential and axial directions of the bottom end of the engaging groove 422 are engaged with the supporting portion 20. Specifically, the cross-sectional shape of the bottom end of the mating groove 422 is matched with the cross-sectional shape of the supporting portion 20, and is quadrilateral, so that the supporting portion 20 can be positioned in the circumferential direction of the bottom end of the mating groove 422, and the supporting portion 20 is prevented from rotating in the mating groove 422. The length of the engagement groove 422 is the same as the length of the support portion 20. So set up for place inside lining 10 back on inside lining supporting part 421, the both ends of supporting part 20 respectively with inside lining 10's inner peripheral face butt cooperation, with avoid supporting part 20 to remove along the length direction of mating groove 422, guarantee the stability of supporting part 20 in the injection molding process, guarantee the effect of moulding plastics.
The fifth embodiment of the application provides a four-way valve, which comprises the sliding block assembly.
The sixth embodiment of the present application provides a method for processing a slider assembly, which is applicable to the slider assembly and the mold 40 described above, and the method for processing a slider assembly includes the following steps:
step 1: assembling the support 20 of the slider assembly and the liner 10;
step 2: placing the assembled liner 10 and support 20 into a mold 40 for injection molding;
step 3: and demolding the injection molded sliding block assembly.
By adopting the technical scheme of the application, the supporting part 20 and the lining 10 can be independently placed in the matching groove 422 and the forming space 401, and the two end parts of the supporting part 20 can be detachably connected with the lining 10 respectively. Specifically, the top of the liner support portion 421 is provided with a fitting groove 422, and the fitting groove 422 extends toward the bottom of the liner support portion 421, and the molding space 401 of the mold 40 and the fitting groove 422 communicate with each other. The above arrangement allows a part of the injection molding material to flow to the bottom of the end of the support portion 20 and the bottom of the liner 10 and form the annular rib 301 when the worker performs the injection molding operation, the annular rib 301 is connected to the end of the support portion 20, and the annular rib 301 is connected to the bottom of the liner 10. Therefore, the assembly of the sliding block assembly can be realized only through one-time injection molding process, the process is simple, the situation that the supporting part 20 and the lining 10 are separated from each other can not occur, and the structural stability of the sliding block assembly is improved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (11)

1. A slider assembly, comprising:
a liner (10) having a receiving cavity;
the supporting part (20) is arranged in the accommodating cavity, the supporting part (20) is provided with two end parts which are oppositely arranged, the two end parts are respectively connected with the inner liner (10), and the supporting part (20) is used for supporting the inner liner (10);
the injection molding shell (30) wraps the periphery of the lining (10), an annular flange (301) is arranged at the bottom of the injection molding shell (30), the annular flange (301) is located at the bottom of the lining (10) and the bottom of the supporting portion (20), and the annular flange (301) can stop the lining (10) and the supporting portion (20).
2. The slider assembly as claimed in claim 1, wherein a positioning structure is provided between the support portion (20) and the inner liner (10), the support portion (20) being detachably connected to the inner liner (10) by the positioning structure.
3. The sliding block assembly according to claim 2, wherein the positioning structure comprises positioning grooves (101), two positioning grooves (101) are oppositely arranged at the bottom of the lining (10), the positioning grooves (101) are arranged in one-to-one correspondence with the end portions, the end portions are located in the positioning grooves (101), and the end portions are in positioning fit with the positioning grooves (101).
4. A slider assembly as claimed in claim 3, in which the end portion is a transition fit or interference fit with the detent (101).
5. The sliding block assembly according to claim 1, wherein the inner liner (10) comprises a first body (11) and a protruding portion (12), the protruding portion (12) is arranged on the outer circumferential surface of the first body (11), the inner circumferential surface of the injection molding shell (30) is provided with a clamping groove (302), the clamping groove (302) is located above the annular flange (301), and the protruding portion (12) is embedded in the clamping groove (302).
6. The slider assembly as claimed in claim 5, wherein the boss (12) is annularly disposed at the bottom of the first body (11), the bottom surface of the boss (12) being in contact with the upper surface of the annular rib (301).
7. A mold, characterized in that, the mold (40) is used for processing the slide block assembly according to any one of claims 1 to 6, the mold (40) comprises an upper mold (41) and a lower mold (42) which are matched with each other, the upper mold (41) and the lower mold (42) are buckled to form a molding space (401), the lower mold (42) is provided with a lining support part (421), the outer surface of the lining support part (421) is used for being attached to the inner surface of the lining (10) of the slide block assembly, the top of the lining support part (421) is provided with a matching groove (422), the matching groove (422) extends to the bottom of the lining support part (421), the matching groove (422) is provided with a top end and a bottom end which are oppositely arranged, the bottom end is matched with the support part (20) of the slide block assembly in a positioning way, the mold (40) is also provided with an injection runner (402), and the injection runner (402) is communicated with the molding space (401).
8. The mold according to claim 7, wherein the cross-sectional area of the mating groove (422) gradually decreases in a direction from the top end to the bottom end.
9. The mold according to claim 8, wherein the bottom end of the engagement groove (422) is circumferentially and axially engaged with the support portion (20).
10. A four-way valve comprising the slider assembly of any one of claims 1 to 6.
11. A method of manufacturing a slider assembly, wherein the method is applied to the slider assembly of any one of claims 1 to 6 and the mold of any one of claims 7 to 9 is used, the method comprising the steps of:
step 1: -assembling the support (20) and the liner (10) of the slider assembly;
step 2: placing the assembled lining (10) and support (20) into a mould (40) for injection moulding;
step 3: and demolding the injection molded sliding block assembly.
CN202210462621.6A 2022-04-28 2022-04-28 Sliding block assembly, die, four-way valve and processing method of sliding block assembly Pending CN117006261A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202210462621.6A CN117006261A (en) 2022-04-28 2022-04-28 Sliding block assembly, die, four-way valve and processing method of sliding block assembly
PCT/CN2023/091872 WO2023208234A1 (en) 2022-04-28 2023-04-28 Slider assembly, mold, four-way valve, and method for machining slider assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210462621.6A CN117006261A (en) 2022-04-28 2022-04-28 Sliding block assembly, die, four-way valve and processing method of sliding block assembly

Publications (1)

Publication Number Publication Date
CN117006261A true CN117006261A (en) 2023-11-07

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JP3295710B2 (en) * 1993-12-01 2002-06-24 株式会社鷺宮製作所 Valve element for four-way switching valve and method of manufacturing the same
JP2001304438A (en) * 2000-04-21 2001-10-31 Daikin Ind Ltd Four way selector valve
JP4077705B2 (en) * 2002-10-01 2008-04-23 株式会社鷺宮製作所 Manufacturing method of valve body for four-way switching valve
CN101319726A (en) * 2007-06-04 2008-12-10 浙江三花制冷集团有限公司 Macrotype four-way reversing valve
CN202274164U (en) * 2011-10-24 2012-06-13 株式会社鹭宫制作所 Runner conversion valve
JP6832266B2 (en) * 2017-10-20 2021-02-24 株式会社鷺宮製作所 Sliding switching valve and refrigeration cycle system
CN215487797U (en) * 2020-12-31 2022-01-11 徐州顺风阀门有限公司 Novel heat recovery valve structure
CN216812960U (en) * 2021-04-07 2022-06-24 盾安环境技术有限公司 Sliding block and valve
CN217401744U (en) * 2022-04-28 2022-09-09 浙江盾安禾田金属有限公司 Sliding block assembly, die and four-way valve
CN218000490U (en) * 2022-07-29 2022-12-09 浙江盾安禾田金属有限公司 Slider and have its cross valve
CN218582334U (en) * 2022-09-27 2023-03-07 浙江盾安禾田金属有限公司 Slider assembly and four-way valve
CN218625513U (en) * 2022-11-21 2023-03-14 浙江盾安禾田金属有限公司 Slider and switching valve

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