CN1621683A

CN1621683A - Hermetic compressor

Info

Publication number: CN1621683A
Application number: CNA2004100074637A
Authority: CN
Inventors: 崔容豪
Original assignee: Samsung Gwangju Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2003-11-28
Filing date: 2004-03-04
Publication date: 2005-06-01
Also published as: JP2005163773A; US20050118037A1; JP3885059B2; ITRM20040109A1; ITRM20040029U1; KR20050052013A; BRPI0400886A

Abstract

A hermetic compressor is constructed to easily cover a ground hole, thus preventing paint from flowing into the ground hole during a painting work. Into the ground hole is fitted a cap. The cap includes a head, a body, and a shoulder which are integrated with each other into a single structure. The head has a larger diameter than the ground hole. The body extends from the head, and has a similar diameter to the ground hole. The shoulder has a larger diameter than the ground hole, and is provided on a predetermined portion of the body to be spaced apart from the head by a thickness of the ground hole. When the cap is fitted into the ground hole, the head and the shoulder are respectively in close contact with portions around the ground hole. The shoulder has a side surface which is inclined at a predetermined angle with the body of the cap to form an inclined surface, thus allowing an upper end of the shoulder to be smoothly removed from the ground hole. The cap is made of rubber or a silicone.

Description

Hermetic compressor

Technical field

Present invention relates in general to hermetic compressor, especially relate to a kind of like this hermetic compressor, it is configured to the cap body is installed in the hole, ground, like this when the closed hood of hermetic compressor is painted, can prevent to paint in the hole, inflow place, and when hermetic compressor in certain storage or be transported to one desirably the time, can prevent that the support with hole, ground is corroded.

Background technique

Usually, before pressurized gas are discharged into the outside of closed hood, hermetic compressor compression and low pressure gas, and with the low-pressure gas supercharging.Hermetic compressor comprises closed hood, compression unit and driver element.Compression unit is installed in and is used for pressurized gas in the closed hood.Driver element is installed in the closed hood with the drive compression unit.

Driver element comprises that one is wound with the stator and a rotor of coil around it.One terminal board is installed on the outer surface of closed hood, is used for providing electric power to stator.Stator, rotor and terminal board link mutually by a lot of electric wires, and then form a circuit.

In addition; each a plurality of support that all contain the hole, ground is set on the outer surface of closed hood; wherein the hole is used for the circuit that comprises stator and rotor ground connection or be connected with the conductor that replaces the face of land reliably; can prevent that like this electric current that causes owing to electric wire breakage or short circuit, leak out from circuit from flowing along closed hood, therefore can protect the user not shocked by electricity or prevent on fire.

In hermetic compressor, driver element and compression unit are installed in the closed hood and are sealed in the closed hood.After this, the outer surface of closed hood is painted.At this moment, the hole, ground that paint cannot flow into or covering is electrically connected with ground wire, so that the electric current that causes owing to electric wire breakage or short circuit, leak out from circuit, ground connection or be connected safely with the conductor that replaces the face of land.

In traditional hermetic compressor, before carrying out painting process, an adhesive tape is attached near the hole, ground, prevented that like this near the part of the support ground hole and the hole, ground from being painted covering.Therefore, near the part of the support hole, ground and hole, ground, the outer surface of closed hood all is painted.

Yet, there is a problem in traditional hermetic compressor, promptly uneven or when being coated with impurity when support with hole, ground, adhesive tape can separate near the part of the support the hole, ground easily, rather than tightly on the part attached near the support the hole, ground, so just cause painting in the hole, inflow place.

In traditional hermetic compressor, if adhesive tape is attached near the support of the ground hole when not really conscientious simultaneously as the workman, between hole, ground and adhesive tape, may form a gap, so just cause painting in the hole, inflow place.It is exactly to be difficult to adhesive tape attached near the support the hole, ground that also there is the another one problem in traditional hermetic compressor.

Also there is further problem in traditional hermetic compressor, and near the part of the support the hole, ground is because adhesive tape mulched ground hole and can not being painted fully, and like this, the appearance of support is relatively poor and will soon corrode.

Summary of the invention

Correspondingly, one aspect of the present invention provides a kind of hermetic compressor, and it is constructed to and is easy to cover the hole, ground in the painting process process, like this, can prevent from reliably to paint in the hole, inflow place.

Other aspects of the present invention and/or advantage will be illustrated in description subsequently, perhaps will be apparent by describing, perhaps can obtain by putting into practice the present invention.

Above-mentioned and/or other aspect is to realize by a kind of hermetic compressor, it comprises closed hood, be fixed at least one support on the predetermined part of closed hood outer surface, with the hole, ground that is formed on the support predetermined part, it has a cap body of being made by elastic material, this cap body is loaded in the hole, ground, is used for preventing that paint is in the painting process process in the hole, inflow place.

The cap body comprises a diameter than the big extended from the head main body of head and in hole, ground.Main body has and the close diameter in hole, ground, in the hole, ground of packing into by the extruding fit system.

Form a shoulder on a predetermined part of the main body of cap body, it is arranged to distance of opening with the head interval of cap body thickness for the hole, ground, and diameter is greater than the hole, ground.Like this, in the time of in the cap body is loaded into the hole, ground, head contacts with the intimate of support that it is provided with the hole, ground, and shoulder with its be provided with the internal surface of support in hole closely contact, thereby prevent to paint in the hole, inflow place.

Shoulder has the side surface that becomes predetermined angle incline with the main body of cap body, to form inclined surface, so just allows the upper end of shoulder successfully to remove from the hole, ground.

The cap body can be made by rubber or silicone.

Description of drawings

These aspects of the present invention and advantage will become clear more by the description of the preferred embodiment that provides below in conjunction with accompanying drawing and be more readily understood, and these accompanying drawings are:

Fig. 1 is the perspective view of hermetic compressor according to an embodiment of the invention;

Fig. 2 is hermetic compressor among Fig. 1, prevent to paint the perspective view of the cap body in hole, inflow place, and this cap body from the hole, ground separately; With

Fig. 3 is the sectional view of cap body among Fig. 2, and this cap body is assemblied on the hole, ground.

Embodiment

To provide the detailed introduction of the preferred embodiment for the present invention now, and will set forth in conjunction with the accompanying drawings, wherein identical reference character is represented identical parts in the text.To explain the present invention by embodiment is described with reference to the drawings below.

Fig. 1 is the perspective view of the hermetic compressor of one specific embodiment according to the present invention.As shown in Figure 1, hermetic compressor of the present invention comprises a closed hood 10, upper lid 11 and lower cover 12 that it has mutual assembling and forms closed hood 10.An one compression unit (not shown) and a driver element (not shown) are installed in the closed hood 10.

Upper lid 11 and lower cover 12 be the assembling mutually by welding process for example, so that compression unit and driver element are sealed in the closed hood 10.One inlet duct (not shown) is installed in the precalculated position on the closed hood 10, is used for low-pressure gas is sucked closed hood 10.Low-pressure gas in closed hood 10 is compressed, and is compressed the unit supercharging.One outer pipe (not shown) is installed in the precalculated position on the closed hood 10, is used for the gas release of the supercharging outside to closed hood 10.

In addition, a terminal board 13 is installed on the outer surface of lower cover 12 of closed hood 10, is used for foreign current supplied to being used for the driver element of drive compression unit.One relay stand 14 is installed near the outer surface of the lower cover 12 the terminal board 13.In addition, a fixed support 15 is installed on the outer surface of the lower cover 12 of terminal board below 13, and closed hood 10 just can be installed in as the expectation position in the refrigerator or in air-conditioning equipment by using fixed support 15 like this.

Relay stand 14 and fixed support 15 all contain hole 20, ground, because the electric current that electric wire breakage or short circuit circuit that cause, from hermetic compressor leak out is mobile along closed hood 10, and then have eliminated potential safety hazard to prevent.

After compression unit and driver element were installed in the closed hood 10, the outer surface of upper lid 11 and lower cover 12 was painted.Simultaneously, hole, ground 20 cannot be covered by paint, to guarantee because electric wire breakage or short circuit electric current that cause, that leak out from circuit, ground connection or be connected safely, and can be mobile along closed hood 10 with the conductor that replaces the face of land.

Hermetic compressor according to the present invention comprises a plurality of cap bodies 30.Each cap body 30 all can be packed into accordingly in the hole 20 at an easy rate, goes into hole 20, ground to prevent paint flow.The structure of cap body 30 and the effect of operation will 2 and 3 be described in detail in conjunction with the accompanying drawings.

Fig. 2 is the perspective view that prevents to paint the cap body 30 in hole, inflow place 20, and wherein hole 20 is to form on the relay stand 14 of hermetic compressor in Fig. 1; Cap body 30 from the hole, ground 20 separately.Fig. 3 is the sectional view of the cap body 30 of ground in the hole 20 of having packed into.

As shown in Figure 2, cap body 30 according to the present invention comprises a head 31, one main bodys 32 and a shoulder 33, and they mutually combine and form an independent structure.The lower end of head 31 has the surface of a smooth and diameter greater than hole, ground 20, and when cap body 30 was packed hole 20, ground into, head 31 contacted with the intimate of hole, ground 20 relay stand 14 on every side like this.

Main body 32 31 lower end from the head extends to predetermined length.The diameter of main body 32 is similar to hole 20, ground, to pass hole 20, ground.

Shoulder 33 is integrally formed on the predetermined part of main body 32.Like this, the upper end of shoulder 33 has the diameter bigger slightly than ground hole 20, when packing in the hole 20, ground with convenient cap body 30, can closely contact with the internal surface of relay stand 14 around the hole, ground 20.

Length L 1 between the upper end of the lower end of head 31 and shoulder 33 is close with the thickness L2 in hole 20, ground, and wherein L2 also is equivalent to comprise the thickness of the relay stand 14 in hole 20, ground.As shown in Figure 3, in the time of in cap body 30 is packed hole 20, ground into, the insertion portion 32a of the main body 32 between head 31 and shoulder 33 is placed in the hole 20, ground.At this moment, the upper end of shoulder 33 closely contacts with the internal surface of hole, ground 20 relay stand 14 on every side, and simultaneously, the lower end of head 31 contacts with the intimate of hole, ground 20 relay stand 14 on every side.

The lower end of shoulder 33 has identical diameter with main body 32.In addition, extend to the side surface of the shoulder 33 of lower end from the upper end of shoulder 33, tilt to form an inclined surface.

The cap body 30 of structure is made by elastic material as mentioned above, in the hole, ground 20 that is used for packing into and can keep closely contacting with hole, ground 20.According to embodiments of the invention, cap body 30 is preferably made by rubber or silicone.

Like this, when need be in the japanning of the outer surface of upper lid 11 and lower cover 12, the user grips as the head 31 of the cap body 30 of above-mentioned structure, and the main body 32 of cap body 30 is packed in the hole 20, ground.When main body 32 is passed ground during hole 20, shoulder 33 flexibly is pressed into the size suitable with hole, ground 20, and main body 32 has just been passed hole, ground 20 like this.

Shoulder 33 passes after the hole 20, ground, and shoulder 33 flexibly returns to its original-shape, so just can keep closely having contacted with the internal surface of hole, ground 20 relay stand 14 on every side.Therefore, in the time of in cap body 30 inserts hole 20, ground, the insertion portion 32a of main body 32 is placed in the hole 20, ground, the upper end of the lower end of head 31 and shoulder 33 closely contacts with internal surface with outer surface around the hole, ground 20, relay stand 14 separately, so just can prevent to paint in the hole, inflow place 20 in the painting process process.

The present invention has here packed into to cap body 30 and has been described in the hole, ground 20 of relay stand 14, shown in Fig. 2 and 3.But, because have another cap body 30 of same structure with the cap body 30 of relay stand 14, be loaded into (see figure 1)s in the hole, ground 20 of fixed support 15 in the mode identical, here just no longer describe and packed cap body 30 in the hole, ground 20 of fixed support 15 process with the cap body 30 of relay stand 14.

Can clearly be seen that from top description, the invention provides a hermetic compressor, it is configured to a cap body is packed in the hole, ground of support.This cap body comprises a main body, a head and a shoulder, and they mutually combine and form an independent structure.Main body is to make and pass the hole, ground by elastic material.The head of cap body and shoulder separately with the hole, ground near holder part closely contact.When the cap body of structure was as mentioned above packed in the hole, ground of support, in the painting process process, this cap body was easy to cover the hole, residence, so just prevents to paint in the hole, inflow place.Therefore, hermetic compressor allows because electric wire breakage or short circuit electric current that cause, that leak out from circuit, safely along the ground wire that links to each other with the hole, ground and ground connection or be connected with instead surperficial conductor.

Although one embodiment of the present of invention illustrate and described, but concerning the person skilled in the art, the improvement that should be understood to be done on these embodiments does not break away from spirit of the present invention and principle, and claim institute restricted portion and their equivalent.

Claims

1. hermetic compressor comprises:

Closed hood;

At least one is installed in the support on the predetermined part of closed hood outer surface;

The hole, ground that on the predetermined part of support, forms, it has a cap body of being made by elastic material, and this cap body is loaded into and is used for preventing in the hole, ground in the painting process process in the paint hole, inflow place.

2. hermetic compressor as claimed in claim 1, wherein said cap body comprises:

Diameter is than the big head in hole, ground; With

The main body of Yan Shening from the head, it has and the close diameter in hole, ground, and packs in the hole, ground by the extruding fit system.

3. hermetic compressor as claimed in claim 2 further comprises:

The shoulder that on the predetermined part of the main body of cap body, forms, its distance that is arranged to open with the head interval of cap body is the thickness in hole, ground, and diameter is greater than the hole, ground, so that when the cap body be loaded into ground the hole in the time, head contacts with the intimate that it is provided with the support in hole, ground, and shoulder closely contacts with the internal surface that it is provided with the support in hole, ground, thereby prevents to paint in the hole, inflow place.

4. hermetic compressor as claimed in claim 3, wherein:

Described shoulder has the side surface that becomes predetermined angle incline with the main body of cap body, with the formation inclined surface, thereby allows the upper end of shoulder successfully to remove from the hole, ground.

5. hermetic compressor as claimed in claim 1, wherein said cap body is made by rubber.

6. hermetic compressor as claimed in claim 1, wherein said cap body is made by silicone.