CN104821215B - The manufacturing method of sheath assembly, rotary compressor and sheath assembly - Google Patents
The manufacturing method of sheath assembly, rotary compressor and sheath assembly Download PDFInfo
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- CN104821215B CN104821215B CN201510119432.9A CN201510119432A CN104821215B CN 104821215 B CN104821215 B CN 104821215B CN 201510119432 A CN201510119432 A CN 201510119432A CN 104821215 B CN104821215 B CN 104821215B
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- fep
- casings
- sheath assembly
- polyester layer
- braided polyester
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Abstract
The invention discloses the manufacturing methods of a kind of sheath assembly, rotary compressor and sheath assembly.Wherein, sheath assembly includes：FEP casings and the braided polyester layer for being sleeved on FEP casings outside.Sheath assembly according to the present invention; pass through the housing braided polyester layer on FEP casings; varnish can be effectively prevented to solidify in FEP casings; fall the possibility of particle or powder so as to significantly reduce sheath assembly during use, and then improve the performance of sheath assembly, security.
Description
Technical field
The present invention relates to a kind of technical field of electric appliances more particularly to sheath assembly, rotary compressor and sheath assemblies
Manufacturing method.
Background technology
In rotary compressor, to ensure the security of motor, paint of the part motor between winding and terminal stud
Casing is equipped on envelope curve, to improve the insulation performance of enameled wire, and prevents from due to enameled wire coat damages winding being caused to be scrapped
Even motor is scrapped, and influences compressor safety.Simultaneously in the motor of rotary compressor, when different phases of the supply neutral point connects,
For ensure copper wire across during other phases with it is other it is alternate have reliable insulating properties, casing is also installed on this copper wire.
In correlation technique, being set with the casing of enameled wire, (tetrafluoroethene hexafluoropropene polymerize for glass braid casing, FEP
Body).Glass braid casing forms for glass braid and dip-coating organosilicon coating, and this casing cannot be in refrigeration compressor motor
Workplace use.Casing has the advantages that processing is simple, adapts to refrigeration compressor refrigerant environment made of FEP, so as to
It is widely used.But 260 DEG C of the maximum operating temperature of FEP casings, thus heat safe refrigeration is required in production and use
It is used on compressor electric motor, varnish is bad in FEP pipe surface adhesions, can be formed in FEP sleeve surfaces after varnish baking-curing
The particle or powder easily fallen, this particle may block the pump housing or air-conditioning system capillary when compressor runs well.
The content of the invention
It is contemplated that it solves at least some of the technical problems in related technologies.For this purpose, the present invention carries
Go out a kind of sheath assembly, described sleeve pipe component has the advantages that simple in structure, dependable performance.
The present invention also proposes a kind of rotary compressor, and the rotary compressor has sheath assembly as described above.
The present invention proposes a kind of manufacturing method of sheath assembly again, and described sleeve pipe component is sheath assembly as described above.
A kind of sheath assembly is provided according to the first aspect of the invention, including：FEP casings and FEP set is sleeved on outside
The braided polyester layer of pipe.
Sheath assembly according to the present invention by the housing braided polyester layer on FEP casings, can be effectively prevented varnish
It is solidified in FEP casings, the possibility of particle or powder is fallen so as to significantly reduce sheath assembly during use,
And then improve the performance of sheath assembly, security.
Optionally, the length of the FEP casings is L1, and the length of the braided polyester layer meets for L2, the L1 and L2：
L1≥L2。
Preferably, the both ends of the FEP casings exceed the both ends of the braided polyester layer.
In one embodiment of the invention, the end of the FEP casings is equipped with hot melt portion, the outer diameter ruler in the hot melt portion
The very little internal diameter size more than the braided polyester layer.
Preferably, the braided polyester layer includes polyester dacron silk.
A kind of rotary compressor is provided according to the second aspect of the invention, including：Motor, the motor, which has, draws
Line；And sheath assembly as described above, described sleeve pipe component are set on the lead-out wire.
Rotary compressor according to the present invention is constructed of casing group by using by FEP casings and braided polyester layer
Part can be effectively prevented varnish and be solidified on the periphery wall of FEP casings, reduce sheath assembly and fall during use
The possibility of particle or powder which thereby enhances job stability, the reliability of rotary compressor.
According to one embodiment of present invention, the motor is dipping lacquer motor
A kind of manufacturing method of sheath assembly is provided according to the third aspect of the invention we, and described sleeve pipe component is as above institute
The sheath assembly stated, the manufacturing method comprise the following steps：
S1：The periphery of the FEP casings will be sleeved on outside braided polyester layer；
S2：Braided polyester layer is cut out using fervent technique so that the welding of braided polyester layer is in the FEP casings
On periphery wall；
S3：The FEP casings are carried out earnestly, the FEP cannula tips outer diameter to be made to be more than the interior of braided polyester layer
Footpath size.
The manufacturing method of sheath assembly according to the present invention, can be effective by the housing braided polyester layer on FEP casings
Ground prevents varnish from being solidified in FEP casings, falls particle or powder so as to effectively reduce sheath assembly during use
The possibility at end, while the processing technology of sheath assembly is also simplified, improve production efficiency.
According to one embodiment of present invention, in the step S3 with following sub-step：
S31：The FEP casings are cut out；
S32：The end of the FEP casings is heated, so that the FEP cannula tips outer diameter is more than braided polyester layer
Internal diameter size.
Description of the drawings
Fig. 1 is the partial structural diagram of sheath assembly according to embodiments of the present invention；
Fig. 2 is the front view of sheath assembly according to embodiments of the present invention；
Fig. 3 is the diagrammatic cross-section of the end of sheath assembly according to embodiments of the present invention；
Fig. 4 is the diagrammatic cross-section at the position of the removing end of sheath assembly according to embodiments of the present invention；
Fig. 5 is the flow chart of the manufacturing method of sheath assembly according to embodiments of the present invention；
Fig. 6 is the flow chart of the manufacturing method of sheath assembly according to embodiments of the present invention.
Reference numeral：
Sheath assembly 100,
FEP casings 110, hot melt portion 111,
Braided polyester layer 120,
The length of FEP casings is L1, and the length of braided polyester layer is L2,
The internal diameter of braided polyester layer is D1, and the outer diameter in hot melt portion is D2.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Sheath assembly 100 according to embodiments of the present invention is described in detail referring to Fig. 1-Fig. 4.It should be noted that set
Tube assembly 100 is insulating element, can be used for the components such as motor.For example, to ensure the components such as the normal work of motor, motor
On partially electronically conductive lead-out wire need and external insulation, sheath assembly 100 can be set on the lead-out wire of motor so as to draw
Line and external insulation.
As Figure 1-Figure 4, embodiment according to a first aspect of the present invention provides a kind of sheath assembly 100, including：
FEP casings 110 and braided polyester layer 120.Wherein, it is sleeved on outside braided polyester layer 120 on FEP casings 110.For example, such as Fig. 1-Fig. 4
Shown, braided polyester layer 120 is wrapped on 110 periphery wall of FEP casings.Here, FEP casings 110 and braided polyester layer 120 are all
Thus insulating element can enable sheath assembly 100 play the effect of insulation.In addition it is also necessary to explanation, FEP casings 110
For the casing made of tetrafluoroethene, hexafluoropropene condensate, tetrafluoroethene, hexafluoropropene condensate are common FEP to be made
Thus the material of casing 110 is selected FEP casings 110 that can not only improve the performance of sheath assembly 100, can also be saved
The production cost of sheath assembly 100.
In correlation technique, varnish is bad in FEP pipe surface adhesions, can shape in FEP sleeve surfaces after varnish baking-curing
The other component that the particle or powder that Cheng Yi falls, the particle or powder are easily connected to motor or with motor damages.
Sheath assembly 100 according to embodiments of the present invention, can by the housing braided polyester layer 120 on FEP casings 110
It is solidified in FEP casings 110 with being effectively prevented varnish, is sent out so as to significantly reduce sheath assembly 100 during use
The possibility of particle or powder is fallen in life, and then improves the performance of sheath assembly 100, security.
As Figure 1-Figure 4, according to one embodiment of present invention, braided polyester layer 120 can include polyester dacron silk.
It is set in thus, it is possible to be effectively prevented varnish on the periphery wall of FEP casings 110, so as to further improve sheath assembly
100 performance.Preferably, as Figure 1-Figure 2, the length of FEP casings 110 is L1, and the length of braided polyester layer 120 is
L2, L1 and L2 meet：L1≥L2.It is slid thus, it is possible to be effectively prevented braided polyester layer 120 from FEP casings 110.Casing
Component 100 has in various degree during earnestly on its length direction (extending direction of the central axis of sheath assembly 100)
Contraction, influenced by FEP casings 110 and 120 material of braided polyester layer, 120 shrinkage degree of braided polyester layer be more than FEP casings
110 shrinkage degree, thus for sheath assembly 100 after earnestly, at least one end of FEP casings 110 can stretch out braided polyester layer
Outside 120.Thus, it is possible to prevent braided polyester layer 120 by being slid on FEP casings 110.As shown in Figure 2, it is preferable that FEP casings
110 both ends exceed the both ends of braided polyester layer 120, thus can not only ensure that braided polyester layer 120 is all outer and be sleeved on FEP
On the periphery wall of casing 110, braided polyester layer 120 can also be effectively prevented and slid from FEP casings 110.
Further to prevent braided polyester layer 120 from being slid from FEP casings 110, the end of FEP casings 110 is equipped with hot melt
Portion 111, the outer diameter in hot melt portion 111 are more than the internal diameter size of braided polyester layer 120.For example, as Figure 3-Figure 4, hot melt
The outer diameter in portion 111 is D2, and the internal diameter size of braided polyester layer 120 is D1, then D2 ＞ D1.
Embodiment according to a second aspect of the present invention provides a kind of rotary compressor (not shown), including：Motor
(not shown) and sheath assembly as described above 100.It should be noted that rotary compressor can be used for air-conditioning system.
Specifically, motor has lead-out wire (not shown), and sheath assembly 100 is set on lead-out wire.Here, draw
Line can be between motor and rotary compressor lead-out wire or motor itself on copper wire, for example, motor is not
When being connected with phase mains neutral point, for ensure copper wire across during other phases with it is other it is alternate have reliable insulating properties, it is necessary to
Sheath assembly 100 is installed on copper wire.Thus, it is possible to improve the security and job stability of rotary compressor.
In correlation technique, varnish is bad in FEP pipe surface adhesions, can shape in FEP sleeve surfaces after varnish baking-curing
The particle or powder that Cheng Yi falls, this particle may block the pump housing or air-conditioning system capillary when rotary compressor runs well
Pipe so as to bring damage to rotary compressor, influences the normal use of rotary compressor.
Rotary compressor according to embodiments of the present invention, by using by 120 structure of FEP casings 110 and braided polyester layer
Caused by sheath assembly 100, varnish can be effectively prevented and solidified on the periphery wall of FEP casings 110, reduce sheath assembly
100 fall the possibility of particle or powder during use, which thereby enhance rotary compressor job stability,
Reliability.
In one embodiment of the invention, motor can be dipping lacquer motor.It should be noted that since varnish is in FEP
110 surface adhesion of casing is bad, can form the particle or powder easily fallen after varnish baking-curing on 110 surface of FEP casings, because
FEP casings 110 in this correlation technique should not be used on dipping lacquer motor.And sheath assembly 100 according to embodiments of the present invention,
Varnish can be effectively prevented by being arranged braided polyester layer 120 in the periphery of FEP casings 110 and be set in the outer of FEP casings 110
On peripheral wall, so as to which sheath assembly 100 can be applied on dipping lacquer motor, the scope of application of sheath assembly 100 is which thereby enhanced,
And then improve the performance of compressor.
As shown in Fig. 5-Fig. 6, embodiment according to a third aspect of the present invention provides a kind of manufacturer of sheath assembly 100
Method.Wherein sheath assembly 100 is sheath assembly 100 as described above, as shown in figure 5, the manufacturing method bag of the sheath assembly 100
Include following steps：
S1：The periphery of FEP casings 110 will be sleeved on outside braided polyester layer 120.In other words, braided polyester layer 120 is wrapped in
On 110 periphery wall of FEP casings.It should be noted that FEP casings 110 and braided polyester layer 120 are all insulating elements, thus may be used
Sheath assembly 100 is enable to play the effect of insulation.In addition, FEP casings 110 can be to be polymerize by tetrafluoroethene, hexafluoropropene
Casing made of body, tetrafluoroethene, hexafluoropropene condensate are the common materials that FEP casings 110 are made, and select FEP casings
110 can not only improve the performance of sheath assembly 100, can also save the production cost of sheath assembly 100.
It should be noted that the length of FEP casings 110 is L1, the length of braided polyester layer 120 meets for L2, L1 and L2：
L1≥L2.Sheath assembly 100 is during earnestly, in its length direction (extending direction of the central axis of sheath assembly 100)
On have different degrees of contraction, influenced by FEP casings 110 and 120 material of braided polyester layer, braided polyester layer 120 shrink journey
Degree is more than the shrinkage degree of FEP casings 110, and thus after earnestly, at least one end of FEP casings 110 can stretch sheath assembly 100
Go out outside braided polyester layer 120.Thus, it is possible to prevent braided polyester layer 120 from being slid from FEP casings 110.
S2：Braided polyester layer 120 is cut out using fervent technique so that 120 welding of braided polyester layer is in FEP casings
On 110 periphery wall.When fervent to braided polyester layer 120, by 120 welding of braided polyester layer in the periphery of FEP casings 110
It on wall, is slid it is possible thereby to be effectively prevented braided polyester layer 120 from FEP casings 110, so as to improve sheath assembly 100
Reliability.
S3：FEP casings 110 are carried out earnestly, 110 outer end diameter size of FEP casings to be made to be more than the interior of braided polyester layer 120
Footpath size.When carrying out fervent to FEP casings 110, hot melt portion 111 can be formed in the end of FEP casings 110, hot melt portion 111
Outer diameter is more than the outer diameter of the rest part of FEP casings 110.For example, as Figure 3-Figure 4, the outer diameter in hot melt portion 111
For D2, the internal diameter size of braided polyester layer 120 is D1, then D2 ＞ D1.Thus, it is possible to be effectively prevented braided polyester layer 120 from
It is slid on FEP casings 110, so as to improve the reliability of sheath assembly 100.
The manufacturing method of sheath assembly 100 according to embodiments of the present invention, by FEP casings 110 housing polyester compile
Tissue layer 120 can be effectively prevented varnish and be solidified in FEP casings 110, used so as to effectively reduce sheath assembly 100
During fall the possibility of particle or powder, while also simplify the processing technology of sheath assembly 100, improve production
Efficiency.
It should be noted that in step s3, fervent " fervent " technique is carried out to FEP casings 110 can refer to utilize
Hot cutter is cut out FEP casings 110, while the end of FEP casings 110 is by thermosetting hot melt portion 111.Certainly, FEP is covered
The process that pipe 110 carries out fervent " fervent " technique is not limited to this, for example, as shown in fig. 6, in one embodiment of the present of invention
In, there can be following sub-step in step s3：
S31：FEP casings 110 are cut out.That is, FEP casings 110 are first cut out using cryoprobe tool.
S32：The end of FEP casings 110 is heated, so that 110 outer end diameter size of FEP casings is more than braided polyester layer
Internal diameter size.Specifically, after the completion of cutting out FEP casings 110, then to the end heat to FEP casings 110 to form hot melt portion
111。
Not only it is convenient for forming hot melt portion 111 in 110 end of FEP casings as a result, is also convenient for the outer diameter in control hot melt portion 111
Size.
In the description of the present invention, it is to be understood that term " " center ", " length ", " interior ", " outer ", " axial direction ", " footpath
To ", the orientation of the instructions such as " circumferential direction " or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and retouch
It states the present invention and simplifies description rather than instruction or imply that signified device or element must have specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
It connects or is electrically connected or can communicate each other；It can be directly connected, can also be indirectly connected by intermediary, it can be with
It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the different embodiments described in this specification or example and different embodiments or exemplary feature
It closes and combines.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (1)
- A kind of 1. manufacturing method of the sheath assembly of rotary compressor, which is characterized in that the casing of the rotary compressor Component includes：FEP casings and the braided polyester layer for being sleeved on the FEP casings outside, the length of the FEP casings is L1, described poly- The length of ester braiding layer meets for L2, the L1 and L2：L1 >=L2, the both ends of the FEP casings exceed the braided polyester The both ends of layer, the end of the FEP casings are equipped with hot melt portion, and the outer diameter in the hot melt portion is more than the braided polyester layer Internal diameter size, the braided polyester layer include polyester dacron silk,The manufacturing method of described sleeve pipe component comprises the following steps：S1：The periphery of the FEP casings will be sleeved on outside braided polyester layer；S2：Braided polyester layer is cut out using fervent technique so that the welding of braided polyester layer is in the periphery of the FEP casings On wall；S3：The internal diameter ruler for the FEP casings carrying out that the FEP cannula tips outer diameter earnestly, is made to be more than braided polyester layer It is very little, wherein, there is following sub-step in the step S3：S31：The FEP casings are cut out using cryoprobe tool；S32：The end of the FEP casings is heated, so that the FEP cannula tips outer diameter is more than the interior of braided polyester layer Footpath size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119432.9A CN104821215B (en) | 2015-03-18 | 2015-03-18 | The manufacturing method of sheath assembly, rotary compressor and sheath assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119432.9A CN104821215B (en) | 2015-03-18 | 2015-03-18 | The manufacturing method of sheath assembly, rotary compressor and sheath assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104821215A CN104821215A (en) | 2015-08-05 |
| CN104821215B true CN104821215B (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510119432.9A Active CN104821215B (en) | 2015-03-18 | 2015-03-18 | The manufacturing method of sheath assembly, rotary compressor and sheath assembly |
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| Country | Link |
|---|---|
| CN (1) | CN104821215B (en) |
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2015
- 2015-03-18 CN CN201510119432.9A patent/CN104821215B/en active Active
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| CN104821215A (en) | 2015-08-05 |
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