CN202712516U - Sealed wiring terminal and compressor comprising same - Google Patents
Sealed wiring terminal and compressor comprising same Download PDFInfo
- Publication number
- CN202712516U CN202712516U CN 201220358980 CN201220358980U CN202712516U CN 202712516 U CN202712516 U CN 202712516U CN 201220358980 CN201220358980 CN 201220358980 CN 201220358980 U CN201220358980 U CN 201220358980U CN 202712516 U CN202712516 U CN 202712516U
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- Prior art keywords
- dead ring
- connecting terminal
- main body
- sealed connecting
- conductive pin
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model relates to a sealed wiring terminal and a compressor comprising the same, wherein the sealed wiring terminal comprises a main body, a conductive needle and a glass sealing body; the main body is provided with the top; at least one needle hole passing through the main body is arranged on the top; the conductive needle passes through the needle hole; the glass sealing body is between the inner wall of the needle hole and the outer wall of the conductive needle and used for sealing the needle hole on the main body, wherein the sealed wiring terminal further comprises an insulation ring sleeved on the conductive needle; the insulation ring is fixed above the top of the main body; and the outside diameter of the insulation ring is less than the inside diameter of the needle hole. According to the utility model, in the event of packaging the sealed wiring terminal by utilizing glass melting, the insulation ring is difficult to deform because of having higher transformation temperature; therefore, the thickness of the insulation ring can be increased; the creepage distance is increased; and the insulation effect is greatly improved.
Description
Technical field
The utility model relates to a kind of sealed connecting terminal, and the compressor that comprises the sealing binding post.
Technical background
Sealed connecting terminal is exactly for a kind of accessory product of realizing electrical connection, the industrial category that is divided into connector.Along with industrial automatization is more and more higher more and more stricter, accurate with the Industry Control requirement, the consumption of sealed connecting terminal goes up gradually.Along with the development of electron trade, the scope of application of sealed connecting terminal is more and more, and kind is also more and more.
Wherein, it is to form by glass and metal sealing that a kind of sealed connecting terminal is arranged, and also is called the glass to metal seal binding post, as shown in Figure 1.Glass is isolated with the metal master 12 of binding post with wire or conductive pin 11 as insulator.Being attached to glassy layer 10 on conductive pin 11 outer walls has increased creepage distance between conductive pin and the binding post main body 12, plays good insulating effect, and does not need to increase the diameter of binding post integral body.But the problem that faces is, is attached to glassy layer 10 on conductive pin 11 outer walls because very thin and very easy breakage.Because reducing of creepage distance, the insulating effect of glass reduces.The bending of contact, collision or conductive pin in continuous assembling process all can cause the breakage of glassy layer 10.
The utility model content
As mentioned above, in the sealed connecting terminal of prior art, owing to being attached to glassy layer on the pin outer wall because very thin and very easy breakage, this will cause reducing of creepage distance, thereby the insulating effect of glass is reduced.Therefore need a kind of sealed connecting terminal that can effectively address the above problem.
The purpose of one or more embodiment of the present utility model provides the sealed connecting terminal that increases creepage distance under a kind of prerequisite not increasing the terminal integral diameter.The dead ring that this terminal has is not only not yielding in the seal process of molten glass, and because this dead ring inwall and conductive pin are equipped with the gap, then the bending of contact, collision or the pin in continuous assembling process can not cause the breakage of ceramic ring, greatly strengthens sealing effectiveness.
The utility model provides a kind of sealed connecting terminal, comprising: have the main body at top, which is provided with at least one pin hole and run through aforementioned body; Conductive pin through above-mentioned pin hole; And the glass capsulation body between the outer wall of the inwall of the above pin hole and above-mentioned conductive pin, the pin hole on the sealing aforementioned body; Wherein, above-mentioned sealed connecting terminal also comprises the dead ring that is enclosed within on the above-mentioned conductive pin, and above-mentioned dead ring is fixed in the aforementioned body over top, and the external diameter of described dead ring is less than the internal diameter of described pin hole.
Preferably, above-mentioned dead ring is ceramic ring.
Preferably, the internal diameter of above-mentioned dead ring is than the external diameter of above-mentioned conductive pin large 0.005 inch at least.
Preferably, the external diameter of above-mentioned dead ring is than the internal diameter of above-mentioned dead ring large 0.030 inch at least.
Preferably, the height of above-mentioned dead ring is at least 0.040 inch.
Preferably, aforementioned body has sidewall, and above-mentioned sidewall extends flange section.
Preferably, comprise three pin holes on the aforementioned body.
Preferably, above-mentioned dead ring is fixed on the aforementioned body by above-mentioned glass capsulation body.
Preferably, the outer wall of above-mentioned dead ring was coated with above-mentioned glass capsulation body in last minute.
On the other hand, the utility model also provides a kind of compressor that comprises arbitrary above-mentioned sealed connecting terminal.
Advantage according to the sealed connecting terminal of one or more embodiment of the present utility model is:
According to the sealed connecting terminal of one or more embodiment of the present utility model, the top of its each pin hole is respectively arranged with ceramic ring.When utilizing glass melting that terminal is encapsulated, dead ring is not yielding because having higher transition temperature.Like this, it is thicker that the ring thickness of dead ring can design, and increased creepage distance, and insulation effect is improved greatly.
Further, the internal diameter of described dead ring is slightly larger than the external diameter of conductive pin.When dead ring is assemblied in around the conductive pin, has certain space between the outer wall of its inwall and conductive pin.Like this, when conductive pin was bent or is subject to sharp impacts, damage can be reduced in the space between itself and the dead ring.
Again further, in the process that terminal is encapsulated, in the slit of glass injection between dead ring and conductive pin after the fusing, and cover on the part outer wall of conductive pin.After the glass cools, not only the pin hole on the terminal is sealed, and owing to engaging to be integrated with dead ring dead ring firmly is fixed on the terminal, strengthened the persistence that this dead ring uses.
Description of drawings
Fig. 1 is the profile of a kind of sealed connecting terminal of the prior art;
Fig. 2 is the vertical view of the sealed connecting terminal that provides of execution mode of the present utility model;
Fig. 3 is the A-A profile of the sealed connecting terminal that provides of execution mode of the present utility model.
Embodiment
Following description related to the preferred embodiment only is exemplary, and never is the restriction to the present invention and application or usage.
Shown in Fig. 2-3, mainly comprise main body 110, conductive pin 120, glass capsulation body 130 and dead ring 140 according to the sealed connecting terminal 100 of the first execution mode of the present utility model.The circular cup-shaped that main body 110 roughly is being down comprises the outer surface that is comprised of top 111 and sidewall 113.Described sidewall 113 lower edge parts extend outward flange section 115, are used for engaging of described sealed connecting terminal 100 and equipment.The thickness at described top 111 can be as required with and concrete function and designing.For example, when described sealed connecting terminal 100 was used for the environment of high pressure, described main body 110 not only needed to thicken the thickness at top 111, and its material also need be selected preferably steel of performance.Have 3 pin holes 117 that run through described top 111 at described top 111, described three pin holes are centered by top center, and its center of circle consists of equilateral triangle.Described pin hole 117 extends hole wall 119 to body interior.
Described conductive pin 120 is metal materials, roughly is the bar-shaped of even thickness.Described conductive pin 120 runs through described pin hole 117, and two ends are respectively equipped with welding plate 121,123 up and down.Described conductive pin 120 mid portions are fixed on described pin hole 117 central authorities by glass capsulation body 130, and two end portions is exposed to respectively the up and down both sides of described main body 110.Described welding plate 121,123 is used for joining with the winding displacement of equipment.It should be appreciated by those skilled in the art, shape and the structure of described main body 110 and described conductive pin 120 are not limited to example shown in the figure, and they can according to different functional requirements and environmental demand, adopt any other structure; The quantity of described pin hole 117 and required pin is not limited to example shown in the figure, and they can be according to demand and different types of sealed connecting terminal and adopt the structure of right quantity pin hole and conductive pin.
The sealed connecting terminal 100 of the first execution mode of the present utility model also comprises dead ring 140.Described dead ring 140 encapsulations and are fixed in the top of described pin hole 117 by glass capsulation body 130 around described conductive pin 120.The internal diameter size of dead ring described in the present embodiment 140 floats between 0.092 inch to 0.096 inch, and the external diameter of described dead ring 140 is less than the internal diameter of described pin hole 117, and its size floats between 0.180 inch to 0.184 inch.The height of described dead ring 140 is at least 0.040 inch, and the height of dead ring described in the present embodiment 140 floats between 0.067 inch to 0.073 inch.The internal diameter of described dead ring 140 is slightly larger than the external diameter of described conductive pin 120, and its difference is not less than 0.005 inch.The difference of the internal diameter of the described dead ring 140 that present embodiment provides and described conductive pin 120 external diameters floats on 0.005 inch to 0.010 inch.This is so that have certain space between described dead ring 140 inwalls and described conductive pin 120 outer walls.When described conductive pin 120 was bent or is subject to sharp impacts, the space between itself and the described dead ring 140 can reduce the breakage rate of described dead ring 140.Described dead ring is ceramic material.Because ceramic material has higher transition temperature, when utilizing the glass melting pair of wire connection terminals to encapsulate, described dead ring 140 also is not easy distortion.Than the internal diameter of described dead ring 140 large 0.030 inch at least of the external diameter of described dead ring 140, be attached to the glassy layer thickness on the conductive pin outer wall in the situation with respect to prior art naked ring, the ring thickness of described dead ring 140, be difference design thicker than this glassy layer of its internal-and external diameter, increase like this creepage distance, reinforced insulation effect.Simultaneously, in the spaces that described glass insulator 130 is full of between described dead ring 140 inwalls and described conductive pin 120 outer walls and cover on the part outer wall of described dead ring 140, so that described dead ring 140 is securely fixed in its position.It should be appreciated by those skilled in the art, the ring thickness of described dead ring 140 and highly be not limited to example shown in the figure, they can set the different value of creepage distance according to demand, and adopt suitable size.
In the process that sealed connecting terminal is encapsulated, described glass capsulation body 130 after the fusing is full of in the slits between described dead ring 140 inwalls and described conductive pin 120 outer walls, between described pin hole 117 inwalls and described conductive pin 120 outer walls and cover on the part outer wall of described conductive pin 120.After described glass capsulation body 130 coolings, not only to described pin hole 117 sealings on the described sealed connecting terminal 100, and owing to engaging to be integrated with described dead ring 140 described dead ring 140 firmly is fixed on the described sealed connecting terminal 100, has strengthened the persistence that this dead ring 140 uses.It should be appreciated by those skilled in the art, described dead ring also can be fixed on the main body by the insulation adhesives except the glass capsulation body known in the art.
According to the sealed connecting terminal of one or more embodiment of the present utility model, the top of its each pin hole is respectively arranged with ceramic ring.When utilizing glass melting that terminal is encapsulated, dead ring is not yielding because having higher transition temperature.Like this, it is thicker that the ring thickness of dead ring can design, and increased creepage distance, and insulation effect is improved greatly.
Further, the internal diameter of described dead ring is slightly larger than the external diameter of conductive pin.When dead ring is assemblied in around the conductive pin, has certain space between the outer wall of its inwall and conductive pin.Like this, when conductive pin was bent or is subject to sharp impacts, damage can be reduced in the space between itself and the dead ring.
Again further, in the process that terminal is encapsulated, in the slit of glass injection between dead ring and conductive pin after the fusing, and cover on the part outer wall of conductive pin.After the glass cools, not only the pin hole on the terminal is sealed, and owing to engaging to be integrated with dead ring dead ring firmly is fixed on the terminal, strengthened the persistence that this dead ring uses.
The below will be described to the compressor of using sealed connecting terminal of the present utility model (not shown in the diagram).The shell of compressor comprises end cap part and main part.The flange section 115 that the sidewall 113 of described sealed connecting terminal 100 by its described main body 110 extends outward welds together with compressor main body.The welding plate 123 of described conductive pin 120 lower ends is exposed in the compressor chamber and with winding displacement in the machine and links to each other, and the welding plate 121 of described conductive pin 120 upper ends is exposed to outside the compressor, links to each other with power supply.Electric current links to each other with winding displacement in the compressor by described conductive pin 120, the confession compressors.Described glass capsulation body 130 is isolated with described main body 110 with described conductive pin 120 so that electric current by described conductive pin 120 non-conducting in the metal master 110 of described sealed connecting terminal 100.The adding of dead ring has more increased creepage distance and has made the insulation property grow.In addition, the glass capsulation body seals pin hole, has strengthened the sealing property of compressor.
Provide exemplary embodiment so that the disclosure is more complete, and pass on its protection range to those skilled in the art comprehensively.Set forth many details, such as the example of particular elements, apparatus and method, so that the understanding to comprehensive embodiment of the present disclosure to be provided.For a person skilled in the art clearly, needn't give particulars, exemplary embodiment can many multi-form enforcements, and should not be interpreted as limiting the scope of the present disclosure.In some exemplary embodiment, well-known process, well-known apparatus structure and well-known technology do not elaborate.
Although can use term first, second, third, etc. etc. to describe various elements, parts or part at this, these elements, parts or part should not limited by these terms; These terms can only be used for difference element, parts or a part.When this uses term such as " first ", " second " and other numerical value terms, it does not comprise order or order, unless explicitly point out in the context.Therefore, in the situation of the explanation that does not break away from exemplary embodiment, the following stated the first element, parts, part can be interpreted as term the first element, parts, part.
Although described various execution mode of the present utility model in detail at this, but should be appreciated that the utility model is not limited to the embodiment of describing in detail and illustrating here, can be realized by those skilled in the art other modification and variant in the situation that do not depart from essence of the present utility model and scope.All these modification and variant all fall in the scope of the present utility model.And all members described here can be replaced by the member that is equal on the other technologies.
Claims (10)
1. sealed connecting terminal comprises:
Main body with top which is provided with at least one pin hole and runs through described main body;
Conductive pin through described pin hole; And
Glass capsulation body between the outer wall of the inwall of described pin hole and described conductive pin seals the pin hole on the described main body;
It is characterized in that, described sealed connecting terminal also comprises the dead ring that is enclosed within on the described conductive pin, and described dead ring is fixed in described main body over top, and the external diameter of described dead ring is less than the internal diameter of described pin hole.
2. sealed connecting terminal according to claim 1 is characterized in that, described dead ring is ceramic ring.
3. sealed connecting terminal according to claim 1 is characterized in that, than the external diameter of described conductive pin large 0.005 inch at least of the internal diameter of described dead ring.
4. sealed connecting terminal according to claim 1 is characterized in that, than the internal diameter of described dead ring large 0.030 inch at least of the external diameter of described dead ring.
5. sealed connecting terminal according to claim 1 is characterized in that, the height of described dead ring is at least 0.040 inch.
6. sealed connecting terminal according to claim 1 is characterized in that, described main body has sidewall, and described sidewall extends flange section.
7. sealed connecting terminal according to claim 1 is characterized in that, comprises three pin holes on the described main body.
8. sealed connecting terminal according to claim 1 is characterized in that, described dead ring is fixed on the described main body by described glass capsulation body.
9. sealed connecting terminal according to claim 1 is characterized in that, the outer wall of described dead ring was coated with described glass capsulation body in last minute.
10. a compressor comprises arbitrary described sealed connecting terminal such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358980 CN202712516U (en) | 2012-07-24 | 2012-07-24 | Sealed wiring terminal and compressor comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358980 CN202712516U (en) | 2012-07-24 | 2012-07-24 | Sealed wiring terminal and compressor comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712516U true CN202712516U (en) | 2013-01-30 |
Family
ID=47592784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220358980 Expired - Lifetime CN202712516U (en) | 2012-07-24 | 2012-07-24 | Sealed wiring terminal and compressor comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979650A (en) * | 2015-07-23 | 2015-10-14 | 郑州凌达压缩机有限公司 | Wiring column and electrical appliance with wiring column |
-
2012
- 2012-07-24 CN CN 201220358980 patent/CN202712516U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979650A (en) * | 2015-07-23 | 2015-10-14 | 郑州凌达压缩机有限公司 | Wiring column and electrical appliance with wiring column |
| CN104979650B (en) * | 2015-07-23 | 2018-09-07 | 郑州凌达压缩机有限公司 | A kind of binding post and the electric appliance with the binding post |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170509 Address after: 244000, Anhui, Tongling economic and Technological Development Zone, West Lake, nearly five Songshan Avenue Patentee after: Emerson electric (Tongling) Co.,Ltd. Address before: 518128 Shenzhen City, Baoan District Xixiang Development Zone Baoan Huaye deep in the West Industrial Zone No. 3 Building Patentee before: EMERSON FUSITE ELECTRIC (SHENZHEN) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |