CN1508954A - Stator terminal for closed compressor - Google Patents
Stator terminal for closed compressor Download PDFInfo
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- CN1508954A CN1508954A CNA021556741A CN02155674A CN1508954A CN 1508954 A CN1508954 A CN 1508954A CN A021556741 A CNA021556741 A CN A021556741A CN 02155674 A CN02155674 A CN 02155674A CN 1508954 A CN1508954 A CN 1508954A
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- terminal
- stator
- type compressor
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- hermetic type
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Abstract
The stator terminal is related to case comprising formed airtight space inside, motor inside the case, power source from outside, multiple closed terminals, contact part, and terminal connection part. The multiple closed terminals in circular section shape are located inside the case on one side. One end of the contact part is connected to motor electrically, and the other end of the contact part in arcuation section is connected to each inserted closed terminal. Terminal connection part in arcuation section is contacted to external surface of the closed terminal in circular section shape in the invention. Thus, when in starting stopping operations or under carrying way, the invention prevents the protecting cover from departing the closed terminal to cause bad contact.
Description
Technical field
The present invention relates to the compressor of mechanical engineering field, particularly relate to a kind of stator terminal of hermetic type compressor.Specifically, the invention provides a kind of terminal that can prevent and separate thereby cause the stator terminal of the hermetic type compressor of loose contact suddenly.
Background technology
See also Fig. 1, Fig. 2, Fig. 1 is the sectional side view of existing hermetic type compressor, and Fig. 2 is the ground plan of Fig. 1.As shown in Figure 1, 2, hermetic type compressor is by forming as the lower part: its inner shell 11 that forms airtight receiving space; Be positioned at the shell 11 inner also compression units 21 of compresses refrigerant; Be positioned at the inside of shell 11, a side of compression unit 21 also provides the motor section 31 of actuating force for compression unit 21.
In compression unit 21, be provided with cylinder 22 that forms the cooling agent compression stroke and the piston 24 that can move back and forth in cylinder 22 inside.
On motor section 31, be provided with the stator of being supported by a plurality of support spring 39 elasticity in the inside of shell 11 33; In the inside of stator 33, be provided with the rotatable rotor 36 that holds installation; And become one with rotor 36 and be installed in the rotating shaft 38 in axle center.
In addition,, provide power supply, be provided with a plurality of airtight terminals 13 in order to give motor section 31 in a side of shell 11; These airtight terminals 13 have circular cross-sectional shape and the certain distance that staggers is mutually installed.
On stator 33, be provided with stator fuse 34 that layering is installed for the purpose that reaches insulation and the stator coil 35 that is wrapped in stator fuse 34.Each end points of stator coil 35 collaborates mutually and is connected on the lead 41.At the end of lead 41, be provided with the protecting cover 43 that can be connected with airtight terminal 13 energisings.In the inside of protecting cover 43,, install and be provided with a plurality of stator terminals 51 for it contacts with airtight terminal 13.
See also Fig. 3, Fig. 4 and shown in Figure 5, Fig. 3 is the side view of existing hermetic type compressor stator terminal, and Fig. 4 and Fig. 5 are the ground plan and the plane graph of stator terminal shown in Figure 3.Shown in Fig. 3,4,5, stator terminal 51 is provided with the bottom 52 that is long slab shape and 52 Width is erected at two side wall portion 55a, the 55b that both sides are channel shape along the bottom.Along its length, be provided with the coil joint portion 57 that stator coil 35 is connected and fixed at the one end; And in the bottom 52 of coil joint portion 57 1 ends, form be provided with can make airtight terminal 13 by and the airtight terminal of placing by hole 53.
Existing hermetic type compressor stator terminal 51, because the airtight terminal 13 of rounded section shape is to insert airtight terminal by hole 53 and carry out line with the inner surface of stator terminal 51 two side wall portion 55a, 55b and contact, therefore, be difficult to guarantee to keep the contact force of the state of being in contact with one another.Therefore, when starting and stopping, or in operation process, if the stator 33 that can be flowed by a plurality of support springs 39 supports, when with respect to shell 11 displacement taking place, stator terminal 51 is easy to separate and cause with airtight terminal 13 problem of loose contact.
This shows that the stator terminal of above-mentioned existing hermetic type compressor still has many defectives, and demands urgently further being improved.
The problem that exists for the stator terminal that solves above-mentioned hermetic type compressor, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that the stator terminal of above-mentioned existing hermetic type compressor exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, stator terminal in the hope of the hermetic type compressor of founding a kind of new structure, can improve the general stator terminal structure of the hermetic type compressor of existing routine on the market, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Main purpose of the present invention is, overcome the defective of the stator terminal existence of existing hermetic type compressor, and a kind of stator terminal of hermetic type compressor of new structure, technical problem underlying to be solved are provided is to make it can prevent that terminal from separating suddenly and cause the problem of loose contact.
Purpose of the present invention and to solve its technical problem underlying be to adopt following technical scheme to realize.The stator terminal of the hermetic type compressor that proposes according to the present invention, it comprises the inner shell that forms confined space; Be positioned at the motor section of described enclosure; Provide power supply from the outside of described shell to described motor section, rounded section shape also is positioned at a plurality of airtight terminal of above-mentioned enclosure one side, and comprise that the one end is electrically connected with above-mentioned motor section, its section of the other end be arcuation and with the contacted terminal contact site of the airtight terminal of above-mentioned each insertion.
The object of the invention to solve the technical problems can also be further achieved by the following technical measures.
The stator terminal of aforesaid hermetic type compressor, the maximum internal width of wherein said terminal connection part is less than the external diameter of above-mentioned airtight terminal.
The stator terminal of aforesaid hermetic type compressor, the curvature of wherein said terminal connection part is greater than the radius of above-mentioned airtight terminal.
The stator terminal of aforesaid hermetic type compressor, wherein said terminal connection part, along the direction of insertion of above-mentioned airtight terminal, more away from above-mentioned entrance area, its internal diameter is more and more littler gradually.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the stator terminal of the hermetic type compressor that proposes according to the present invention, it comprises the inner shell that forms confined space; Be positioned at the motor section of described enclosure; Provide power supply from the outside of described shell to described motor section, rounded section shape also is positioned at a plurality of airtight terminal of above-mentioned enclosure one side, and comprise that the one end is electrically connected with above-mentioned motor section, its section of the other end be arcuation and with the contacted terminal contact site of the airtight terminal of above-mentioned each insertion.By above structure, provide to prevent that terminal from separating thereby causing the stator terminal of the hermetic type compressor of loose contact suddenly.The stator terminal of hermetic type compressor of the present invention as described above has following characteristics: for the outside with the airtight terminal that forms circular section contacts, possessed its section be arcuation terminal connection part, therefore, start, stop or operation process in, prevent that protecting cover breaks away from the loose contact that causes from airtight terminal suddenly, guarantees the operating state that it is safe and reliable.
In sum, the stator terminal of the hermetic type compressor of special construction of the present invention, have above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use, no matter and its structurally or bigger improvement is all arranged on the function, have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the sectional side view of existing hermetic type compressor.
Fig. 2 is the ground plan of Fig. 1.
Fig. 3 is the side view of existing hermetic type compressor stator terminal.
Fig. 4 is the ground plan of stator terminal shown in Figure 3.
Fig. 5 is the plane graph of stator terminal shown in Figure 3.
Fig. 6 is the behaviour in service schematic diagram of stator terminal one example of hermetic type compressor of the present invention.
Fig. 7 is the side view of the stator terminal of hermetic type compressor of the present invention.
Fig. 8 is the ground plan of stator terminal shown in Figure 7 and airtight terminal.
Fig. 9 is the plane graph of stator terminal shown in Figure 7.
Figure 10 is the profile of Fig. 8 along the X-X line.
11...... the airtight terminal of shell 13......
21...... compression unit 22...... cylinder
24...... piston 31...... motor section
33...... stator 34...... stator fuse
35...... stator coil 36...... rotor
38...... rotating shaft 39...... support spring
41...... lead 43...... protecting cover
44 ... airtight terminal aperture 51 ... stator terminal
52 ... bottom 53 ... airtight terminal is passed through the hole
55a...... side wall portion 55b...... side wall portion
57 ... coil joint portion 61 ... stator terminal
62 ... bottom 63 ... airtight terminal is passed through the hole
65a...... side wall portion 65b...... side wall portion
67 ... coil junction surface 69a...... terminal connection part
69b...... terminal connection part
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, its embodiment of stator terminal, structure, feature and the effect thereof of the hermetic type compressor that foundation the present invention is proposed, describe in detail as after.
See also Fig. 6, Fig. 7, Fig. 8, Fig. 9 and shown in Figure 10, Fig. 6 is the behaviour in service schematic diagram of stator terminal one example of hermetic type compressor of the present invention, Fig. 7 is the side view of the stator terminal of hermetic type compressor of the present invention, Fig. 8 is the ground plan of stator terminal shown in Figure 7 and airtight terminal, Fig. 9 is the plane graph of stator terminal shown in Figure 7, and Figure 10 is the profile of Fig. 8 along the X-X line.
For convenience of explanation, with above-mentioned explanation and illustrate identical or corresponding part, used identical label symbol.As shown in the figure, hermetic type compressor is by forming as the lower part: its inner shell 11 that forms airtight receiving space; Be positioned at the shell 11 inner also compression units 21 of compresses refrigerant; Be positioned at the inside of shell 11, a side of compression unit 21 also provides the motor section 31 of actuating force for compression unit 21.
In a side of shell 11, provide power supply in order to give motor section 31 from the outside, the airtight terminal 13 that is provided with a plurality of rounded section shapes is installed.
On motor section 31, be provided with the stator of being supported by a plurality of support spring 39 elasticity in the inside of shell 11 33; In the inside of stator 33, be provided with the rotatable rotor 36 that holds installation; Become one with rotor 36 and be installed in the rotating shaft 38 in axle center.
On stator 33, be provided with the stator fuse 34 that layering is installed for the purpose that reaches insulation and be wrapped in the stator coil 35 that also can produce magnetic force on the stator fuse 34.At the end of this stator coil 33, be provided with the lead 41 that prolongs along airtight terminal; At the end of lead 41,, be provided with and airtight terminal 13 corresponding protecting covers 43 in order to be connected with airtight terminal 13.In the inside of protecting cover 43, be provided with the stator terminal 61 of the hermetic type compressor of one case making according to the present invention.
The stator terminal 61 of hermetic type compressor of the present invention is by forming as the lower part: be long slab shape and be provided with the bottom 62 that the airtight terminal that can allow airtight terminal 13 pass through is passed through hole 63 thereon; 62 Width bending is erected at two side wall portion 65a, the 65b that both sides are channel shape along the bottom; In order to contact and curved shape, and be separated by airtight terminal 13 and a pair of terminal connection part 69a, the 69b that form symmetrically with the outer diametric plane of airtight terminal 13.In addition, along its length, be provided with the coil joint portion 67 that stator coil 35 is connected and fixed and can becomes one at the one end.
In addition, terminal connection part 69a, 69b have the curvature of expanding relatively than the radius of airtight terminal 13 (D/2) (R), and for can with the outer surface Elastic Contact of airtight terminal 13, the maximum inside radius (W1) of two terminal connection part 69a, 69b that install is littler than the external diameter (D) of airtight terminal 13 symmetrically, and, the installation of staggering mutually. Terminal connection part 69a, 69b, the power that is in contact with one another during for airtight terminal 13 of easy insertion and increase separation is passed through hole 63 from airtight terminal, along the direction of insertion, for the insied width (W2) that makes terminal part is littler than the insied width (W1) of entrance side, form skewed respectively to direction of insertion.
According to these structures, with respect to the airtight terminal 13 of installing along horizontal direction in the inside of shell 11, install after the airtight terminal aperture 44 of protecting cover 43, in order to make airtight terminal 13 be inserted into the inside of protecting cover 43 and to pressurize, the end of each terminal connection part 69a, 69b is opened and is carried out Elastic Contact with the outside of corresponding airtight terminal 13, therefore, just can avoid protecting cover 43 to separate suddenly and cause loose contact with airtight terminal 13.
The technological innovation of the stator terminal of the hermetic type compressor of the present invention that above-mentioned structure like this constitutes all has many saving graces for technical staff of the same trade now, and the progressive that possesses skills really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, but every technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (4)
1, a kind of stator terminal of hermetic type compressor, it comprises the inner shell (11) that forms confined space; Be positioned at the motor section (31) of described enclosure; Provide power supply from the outside of described shell to described motor section, rounded section shape also is positioned at a plurality of airtight terminal (13) of above-mentioned enclosure one side, it is characterized in that:
In described shell (11), be provided with the one end and be electrically connected with above-mentioned motor section (31), its section of the other end be arcuation and with the contacted terminal contact site of airtight terminal (13) (69a, 69b) of above-mentioned each insertion.
2, the stator terminal of hermetic type compressor according to claim 1 is characterized in that the external diameter of the maximum internal width of wherein said terminal connection part (69a, 69b) less than above-mentioned airtight terminal (13).
3, the stator terminal of hermetic type compressor according to claim 1 is characterized in that the radius of the curvature of wherein said terminal connection part (69a, 69b) greater than above-mentioned airtight terminal (13).
4, according to the stator terminal of the described hermetic type compressor of arbitrary claim in the claim 1 to 3, it is characterized in that wherein said terminal connection part (69a, 69b), along the direction of insertion of above-mentioned airtight terminal, more away from above-mentioned entrance area, its internal diameter is more and more littler gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021556741A CN1305204C (en) | 2002-12-13 | 2002-12-13 | Stator terminal for closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021556741A CN1305204C (en) | 2002-12-13 | 2002-12-13 | Stator terminal for closed compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1508954A true CN1508954A (en) | 2004-06-30 |
| CN1305204C CN1305204C (en) | 2007-03-14 |
Family
ID=34236020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021556741A Expired - Fee Related CN1305204C (en) | 2002-12-13 | 2002-12-13 | Stator terminal for closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1305204C (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4601644A (en) * | 1984-11-13 | 1986-07-22 | Tecumseh Products Company | Main bearing for a rotary compressor |
| CN1081497A (en) * | 1992-07-15 | 1994-02-02 | 陈启星 | Closed, the accessible compressor of separation layer |
| CN1097502A (en) * | 1993-07-15 | 1995-01-18 | 陈启星 | Ammonia cooling system with closed compressor |
-
2002
- 2002-12-13 CN CNB021556741A patent/CN1305204C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1305204C (en) | 2007-03-14 |
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