CN104821215A - Sleeve assembly, rotary type compressor, and manufacture method of sleeve assembly - Google Patents
Sleeve assembly, rotary type compressor, and manufacture method of sleeve assembly Download PDFInfo
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- CN104821215A CN104821215A CN201510119432.9A CN201510119432A CN104821215A CN 104821215 A CN104821215 A CN 104821215A CN 201510119432 A CN201510119432 A CN 201510119432A CN 104821215 A CN104821215 A CN 104821215A
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- sleeve pipe
- thimble assembly
- fep
- polyester layer
- braided polyester
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Abstract
The invention discloses a sleeve assembly, a rotary type compressor, and a manufacture method of a sleeve assembly. The sleeve assembly comprises an FEP sleeve and a polyester braided layer coating the FEP sleeve. According to the sleeve assembly provided by the invention, through coating FEP sleeve by the polyester braided layer, varnish can be effectively prevented from being solidified on the FEP sleeve, the possibility that particles or powder falls during the application process of the sleeve assembly is effectively reduced, and the application performance and the safety of the sleeve assembly are improved.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly relate to the manufacture method of a kind of thimble assembly, rotary compressor and thimble assembly.
Background technology
In rotary compressor, for ensureing the fail safe of motor, the enamelled wire of part motor between winding and terminal stud is equipped with sleeve pipe, to improve the insulation property of enamelled wire, and prevent because enameled wire coat damages and cause winding to scrap even motor scrapping, affect compressor safety.Simultaneously in the motor of rotary compressor, when different phases of the supply neutral point connects, for ensureing that copper cash strides across that other phase times are alternate with other reliable insulating properties, also mounting sleeve on this copper cash.
In correlation technique, the sleeve pipe of suit enamelled wire is glass braid sleeve pipe, FEP (tetrafluoroethene hexafluoropropylene condensate).Glass braid sleeve pipe is glass braid and dip-coating organosilicon coating forms, and this sleeve pipe can not use in the workplace of refrigeration compressor motor.The sleeve pipe be made up of FEP has the advantage that processing is simple, adapt to refrigerant compressor refrigerant environment, thus is widely used.But; the maximum operating temperature of FEP sleeve pipe 260 DEG C; thus require resistant to elevated temperatures refrigeration compressor motor uses in production with in using; varnish is bad in FEP tube-surface tack; can form the particle that easily falls or powder at FEP sleeve surface after varnish baking-curing, this particle may block the pump housing or air-conditioning system capillary when compressor runs well.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of thimble assembly, and described thimble assembly has that structure is simple, the advantage of dependable performance.
The present invention also proposes a kind of rotary compressor, and described rotary compressor has thimble assembly as above.
The present invention proposes again a kind of manufacture method of thimble assembly, and described thimble assembly is thimble assembly as above.
Provide a kind of thimble assembly according to a first aspect of the invention, comprising: FEP sleeve pipe and be enclosed within the braided polyester layer of described FEP sleeve pipe outward.
According to thimble assembly of the present invention; by overcoat braided polyester layer on FEP sleeve pipe; can effectively prevent varnish from solidifying at FEP sleeve pipe; thus significantly reduce the possibility that thimble assembly falls particle or powder in the process used, and then improve serviceability, the fail safe of thimble assembly.
Alternatively, the length of described FEP sleeve pipe is L1, and the length of described braided polyester layer is L2, and described L1 and L2 meets: L1 >=L2.
Preferably, the two ends of described FEP sleeve pipe all exceed the two ends of described braided polyester layer.
In one embodiment of the invention, the end of described FEP sleeve pipe is provided with hot melt portion, and the outside dimension in described hot melt portion is greater than the internal diameter size of described braided polyester layer.
Preferably, described braided polyester layer comprises polyester dacron silk.
Provide a kind of rotary compressor according to a second aspect of the invention, comprising: motor, described motor has lead-out wire; And thimble assembly as above, described thimble assembly is set on described lead-out wire.
According to rotary compressor of the present invention; by using the thimble assembly be configured to by FEP sleeve pipe and braided polyester layer; can effectively prevent varnish from solidifying on the periphery wall of FEP sleeve pipe; reduce the possibility that thimble assembly falls particle or powder in the process used, which thereby enhance the job stability of rotary compressor, reliability.
According to one embodiment of present invention, described motor is dipping lacquer motor
Provide a kind of manufacture method of thimble assembly according to a third aspect of the invention we, described thimble assembly is thimble assembly as above, and described manufacture method comprises the following steps:
S1: the periphery of described FEP sleeve pipe will be enclosed within outside braided polyester layer;
S2: use fervent technique to cut out to make the welding of braided polyester layer on the periphery wall of described FEP sleeve pipe to braided polyester layer;
S3: carry out earnestly to described FEP sleeve pipe, makes described FEP cannula tip outside dimension be greater than the internal diameter size of braided polyester layer.
According to the manufacture method of thimble assembly of the present invention; by overcoat braided polyester layer on FEP sleeve pipe; can effectively prevent varnish from solidifying at FEP sleeve pipe; thus effectively reduce the possibility that thimble assembly falls particle or powder in the process used; also simplify the processing technology of thimble assembly simultaneously, improve production efficiency.
According to one embodiment of present invention, in described step S3, there is following sub-step:
S31: described FEP sleeve pipe is cut out;
S32: to the end hot melt of described FEP sleeve pipe, is greater than the internal diameter size of braided polyester layer to make described FEP cannula tip outside dimension.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of the thimble assembly according to the embodiment of the present invention;
Fig. 2 is the front view of the thimble assembly according to the embodiment of the present invention;
Fig. 3 is the generalized section of the end of thimble assembly according to the embodiment of the present invention;
Fig. 4 is the generalized section at the position of the removing end of thimble assembly according to the embodiment of the present invention;
Fig. 5 is the flow chart of the manufacture method of thimble assembly according to the embodiment of the present invention;
Fig. 6 is the flow chart of the manufacture method of thimble assembly according to the embodiment of the present invention.
Reference numeral:
Thimble assembly 100,
FEP sleeve pipe 110, hot melt portion 111,
Braided polyester layer 120,
The length of FEP sleeve pipe is L1, and the length of braided polyester layer is L2,
The internal diameter of braided polyester layer is D1, and the external diameter in hot melt portion is D2.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The thimble assembly 100 according to the embodiment of the present invention is described in detail referring to Fig. 1-Fig. 4.It should be noted that, thimble assembly 100 is insulating element, and it may be used for the parts such as motor.Such as, be ensure the normal work of motor, the partially conductive lead-out wire on the parts such as motor needs and external insulation, to make lead-out wire and external insulation on the lead-out wire that thimble assembly 100 can be set in motor.
As Figure 1-Figure 4, embodiment according to a first aspect of the present invention provides a kind of thimble assembly 100, comprising: FEP sleeve pipe 110 and braided polyester layer 120.Wherein, be enclosed within FEP sleeve pipe 110 outside braided polyester layer 120.Such as, as Figure 1-Figure 4, braided polyester layer 120 is wrapped on FEP sleeve pipe 110 periphery wall.Here, FEP sleeve pipe 110 and braided polyester layer 120 are all insulating elements, and thimble assembly 100 can be made thus can to play the effect of insulation.In addition, also it should be noted that, FEP sleeve pipe 110 is the sleeve pipe be made up of tetrafluoroethene, hexafluoropropylene condensate, tetrafluoroethene, hexafluoropropylene condensate are the common materials making FEP sleeve pipe 110, select FEP sleeve pipe 110 not only can improve the serviceability of thimble assembly 100 thus, the production cost of thimble assembly 100 can also be saved.
In correlation technique, varnish is bad in FEP tube-surface tack, can form the particle that easily falls or powder after varnish baking-curing at FEP sleeve surface, and this particle or powder easily cause damage to motor or the miscellaneous part that is connected with motor.
According to the thimble assembly 100 of the embodiment of the present invention; by overcoat braided polyester layer 120 on FEP sleeve pipe 110; can effectively prevent varnish from solidifying at FEP sleeve pipe 110; thus significantly reduce the possibility that thimble assembly 100 falls particle or powder in the process used, and then improve serviceability, the fail safe of thimble assembly 100.
As Figure 1-Figure 4, according to one embodiment of present invention, braided polyester layer 120 can comprise polyester dacron silk.Thus, varnish effectively can be prevented to be set on the periphery wall of FEP sleeve pipe 110, thus the serviceability of thimble assembly 100 can be improved further.Preferably, as Figure 1-Figure 2, the length of FEP sleeve pipe 110 is L1, and the length of braided polyester layer 120 is that L2, L1 and L2 meet: L1 >=L2.Thus, can effectively prevent braided polyester layer 120 from landing FEP sleeve pipe 110.Thimble assembly 100 is in fervent process, its length direction (bearing of trend of the central axis of thimble assembly 100) has contraction in various degree, by the impact of FEP sleeve pipe 110 and braided polyester layer 120 material, braided polyester layer 120 shrinkage degree is greater than the shrinkage degree of FEP sleeve pipe 110, thimble assembly 100 is after earnestly thus, and at least one end of FEP sleeve pipe 110 can be stretched out outside braided polyester layer 120.Thus, braided polyester layer 120 can be prevented by landing on FEP sleeve pipe 110.As shown in Figure 2, preferably, the two ends of FEP sleeve pipe 110 all exceed the two ends of braided polyester layer 120, not only can ensure that braided polyester layer 120 is all outer thus and be enclosed within the periphery wall of FEP sleeve pipe 110, can also effectively prevent braided polyester layer 120 from landing FEP sleeve pipe 110.
For preventing braided polyester layer 120 from landing FEP sleeve pipe 110 further, the end of FEP sleeve pipe 110 is provided with hot melt portion 111, and the outside dimension in hot melt portion 111 is greater than the internal diameter size of braided polyester layer 120.Such as, as Figure 3-Figure 4, the external diameter in hot melt 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 (scheming not shown), comprising: motor (scheming not shown) and thimble assembly as above 100.It should be noted that, rotary compressor may be used for air-conditioning system.
Specifically, motor has lead-out wire (scheming not shown), and thimble assembly 100 is set on lead-out wire.Here, lead-out wire can be the lead-out wire between motor and rotary compressor, also can be that motor is from copper cash with it, such as, when the different phases of the supply neutral point of motor connects, for ensureing that copper cash strides across that other phase times are alternate with other has reliable insulating properties, needs mounting sleeve assembly 100 on copper cash.Thus, fail safe and the job stability of rotary compressor can be improved.
In correlation technique; varnish is bad in FEP tube-surface tack; the particle that easily falls or powder can be formed at FEP sleeve surface after varnish baking-curing; this particle may block the pump housing or air-conditioning system capillary when rotary compressor runs well; thus bring damage to rotary compressor, affect the normal use of rotary compressor.
According to the rotary compressor of the embodiment of the present invention; by using the thimble assembly 100 be configured to by FEP sleeve pipe 110 and braided polyester layer 120; can effectively prevent varnish from solidifying on the periphery wall of FEP sleeve pipe 110; reduce the possibility that thimble assembly 100 falls particle or powder in the process used, which thereby enhance the job stability of rotary compressor, reliability.
In one embodiment of the invention, motor can be dipping lacquer motor.It should be noted that, because varnish is bad at FEP sleeve pipe 110 surface adhesion, can form the particle that easily falls or powder after varnish baking-curing on FEP sleeve pipe 110 surface, the FEP sleeve pipe 110 therefore in correlation technique should not be used on dipping lacquer motor.And according to the thimble assembly 100 of the embodiment of the present invention, varnish can be effectively prevented to be set on the periphery wall of FEP sleeve pipe 110 by braided polyester layer 120 sheathed in the periphery of FEP sleeve pipe 110, thus thimble assembly 100 can also be applied on dipping lacquer motor, which thereby enhance the scope of application of thimble assembly 100, 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 manufacture method of thimble assembly 100.Wherein thimble assembly 100 is thimble assembly 100 as above, and as shown in Figure 5, the manufacture method of this thimble assembly 100 comprises the following steps:
S1: the periphery of FEP sleeve pipe 110 will be enclosed within outside braided polyester layer 120.In other words, braided polyester layer 120 is wrapped on FEP sleeve pipe 110 periphery wall.It should be noted that, FEP sleeve pipe 110 and braided polyester layer 120 are all insulating elements, and thimble assembly 100 can be made thus can to play the effect of insulation.In addition, FEP sleeve pipe 110 can for the sleeve pipe be made up of tetrafluoroethene, hexafluoropropylene condensate, tetrafluoroethene, hexafluoropropylene condensate are the common materials making FEP sleeve pipe 110, select FEP sleeve pipe 110 not only can improve the serviceability of thimble assembly 100, the production cost of thimble assembly 100 can also be saved.
It should be noted that, the length of FEP sleeve pipe 110 is L1, and the length of braided polyester layer 120 is that L2, L1 and L2 meet: L1 >=L2.Thimble assembly 100 is in fervent process, its length direction (bearing of trend of the central axis of thimble assembly 100) has contraction in various degree, by the impact of FEP sleeve pipe 110 and braided polyester layer 120 material, braided polyester layer 120 shrinkage degree is greater than the shrinkage degree of FEP sleeve pipe 110, thimble assembly 100 is after earnestly thus, and at least one end of FEP sleeve pipe 110 can be stretched out outside braided polyester layer 120.Thus, braided polyester layer 120 can be prevented from landing FEP sleeve pipe 110.
S2: use fervent technique to cut out to make braided polyester layer 120 welding on the periphery wall of FEP sleeve pipe 110 to braided polyester layer 120.When fervent to braided polyester layer 120, by braided polyester layer 120 welding on the periphery wall of FEP sleeve pipe 110, braided polyester layer 120 effectively to can be prevented thus from landing FEP sleeve pipe 110, thus improve the reliability of thimble assembly 100.
S3: carry out earnestly to FEP sleeve pipe 110, makes FEP sleeve pipe 110 outer end diameter size be greater than the internal diameter size of braided polyester layer 120.When carrying out fervent to FEP sleeve pipe 110, can form hot melt portion 111 in the end of FEP sleeve pipe 110, the outside dimension in hot melt portion 111 is greater than the outside dimension of the remainder of FEP sleeve pipe 110.Such as, as Figure 3-Figure 4, the external diameter in hot melt portion 111 is D2, and the internal diameter size of braided polyester layer 120 is D1, then D2 > D1.Thus, braided polyester layer 120 effectively can be prevented from landing FEP sleeve pipe 110, thus improve the reliability of thimble assembly 100.
According to the manufacture method of the thimble assembly 100 of the embodiment of the present invention; by overcoat braided polyester layer 120 on FEP sleeve pipe 110; can effectively prevent varnish from solidifying at FEP sleeve pipe 110; thus effectively reduce the possibility that thimble assembly 100 falls particle or powder in the process used; also simplify the processing technology of thimble assembly 100 simultaneously, improve production efficiency.
It should be noted that, in step s3, carry out fervent " earnestly " technique can refer to and utilize hot cutter to cut out FEP sleeve pipe 110 FEP sleeve pipe 110, the end of FEP sleeve pipe 110 is by thermosetting hot melt portion 111 simultaneously.Certainly, the process of FEP sleeve pipe 110 being carried out to fervent " earnestly " technique is not limited to this, such as, as shown in Figure 6, in one embodiment of the invention, can have following sub-step in step s3:
S31: FEP sleeve pipe 110 is cut out.That is, cryoprobe tool is utilized first to cut out FEP sleeve pipe 110.
S32: to the end hot melt of FEP sleeve pipe 110, with the internal diameter size making FEP sleeve pipe 110 outer end diameter size be greater than braided polyester layer.Particularly, after FEP sleeve pipe 110 has been cut out, then to the end heat of FEP sleeve pipe 110 to form hot melt portion 111.
Thus, be not only convenient to form hot melt portion 111 in FEP sleeve pipe 110 end, be also convenient to the outside dimension controlling hot melt portion 111.
In describing the invention, it will be appreciated that, term " " center ", " length ", " interior ", " outward ", " axis ", " radial direction ", " circumference " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. a thimble assembly, is characterized in that, comprising: FEP sleeve pipe and be enclosed within the braided polyester layer of described FEP sleeve pipe outward.
2. thimble assembly according to claim 1, is characterized in that, the length of described FEP sleeve pipe is L1, and the length of described braided polyester layer is L2, and described L1 and L2 meets: L1 >=L2.
3. thimble assembly according to claim 2, is characterized in that, the two ends of described FEP sleeve pipe all exceed the two ends of described braided polyester layer.
4. thimble assembly according to claim 1, is characterized in that, the end of described FEP sleeve pipe is provided with hot melt portion, and the outside dimension in described hot melt portion is greater than the internal diameter size of described braided polyester layer.
5. thimble assembly according to claim 1, is characterized in that, described braided polyester layer comprises polyester dacron silk.
6. a rotary compressor, is characterized in that, comprising:
Motor, described motor has lead-out wire; And
Thimble assembly according to any one of claim 1-5, described thimble assembly is set on described lead-out wire.
7. rotary compressor according to claim 6, is characterized in that, described motor is dipping lacquer motor.
8. a manufacture method for thimble assembly, is characterized in that, described thimble assembly comprises the following steps for the thimble assembly according to any one of claim 1-5, described manufacture method:
S1: the periphery of described FEP sleeve pipe will be enclosed within outside braided polyester layer;
S2: use fervent technique to cut out to make the welding of braided polyester layer on the periphery wall of described FEP sleeve pipe to braided polyester layer;
S3: carry out earnestly to described FEP sleeve pipe, makes described FEP cannula tip outside dimension be greater than the internal diameter size of braided polyester layer.
9. the manufacture method of thimble assembly according to claim 8, is characterized in that, in described step S3, have following sub-step:
S31: described FEP sleeve pipe is cut out;
S32: to the end hot melt of described FEP sleeve pipe, is greater than the internal diameter size of braided polyester layer to make described FEP cannula tip outside dimension.
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 true CN104821215A (en) | 2015-08-05 |
| CN104821215B 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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- 2015-03-18 CN CN201510119432.9A patent/CN104821215B/en active Active
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| CN104821215B (en) | 2018-05-25 |
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