CN2735527Y - Contact assembly for high-voltage isolating switch - Google Patents
Contact assembly for high-voltage isolating switch Download PDFInfo
- Publication number
- CN2735527Y CN2735527Y CN 200420077257 CN200420077257U CN2735527Y CN 2735527 Y CN2735527 Y CN 2735527Y CN 200420077257 CN200420077257 CN 200420077257 CN 200420077257 U CN200420077257 U CN 200420077257U CN 2735527 Y CN2735527 Y CN 2735527Y
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- spring
- fingertip
- yoke
- contact assembly
- high voltage
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Abstract
The utility model discloses a contact component for high-voltage isolating switch, which comprises a contact seat component and a contact component which can separate or closely contact each other to conduct electricity; the contact seat component comprises multi-chip contact fingers, a spring yoke, a band spring and a conductivity base; the conductivity base is fixed and joint with a conductivity arm; the multi-chip contact fingers are fixed around the conductivity base through the spring yoke and the band spring. The contact component efficiently solves problem that prior contact produces heat, and has the advantages of simple structure, low cost, etc., and provides the contact pressure with a stable value in the process of being used.
Description
Technical field
The utility model relates to the high voltage isolator in a kind of electric power system, more particularly, relates to a kind of high voltage isolation switch contact assembly.
Background technology
High voltage isolator is to be used for deciliter voltage being arranged and uncharge circuit in the electric power system, when equipment such as people's inspection switch or bus, can utilize high voltage isolator between quilt maintenance equipment and charging equipment, to form visible cut-off point, high voltage isolator cooperates with switch can adjust conversion load operation mode, therefore, make high voltage isolator become the electric equipment of large usage quantity in the electric power system, but because the employed environment major part of high voltage isolator out of doors, be subject to the outdoor weather conditions and the influence of air-borne dust, and cause the contact heating.
High pressure separates the most frequently used structure of contact terminal in the Central Shanxi Plain as depicted in figs. 1 and 2 at present, includes moving contact 1 and cylindrical contact 2 two parts, and wherein moving contact is reached to fix by contact base 10, fingertip 11, spring 12 and forms with annex.
As shown in Figure 1, contact base 10 is square, fixedly connected with conductive arm 3 or integrally formed, the middle part of two strip fingertips 11 is fixed on the spring 12 symmetrically, and spring 12 is fixed on the contact base 10 by fixing fitting 13, and an end of fingertip 11 is pressed on the contact base 10, the other end is open state, when cylindrical contact 2 is inserted between two fingertips 11, can make the other end of fingertip 11 be pressed in cylindrical contact 2 both sides, form the contact galvanic circle.
As shown in Figure 2, contact base 10 is the square of inner hollow, and an end of two strip fingertips 11 stretches into contact base 10 inside, and is fixed by spring 12 and annex, and it is uncovered to form a U-shaped at the other end of two fingertips 11, and the insertion of being convenient to cylindrical contact 2 forms the galvanic circle.
All can realize the function of high voltage isolation switch contact though utilize above-mentioned two kinds of contact assemblies, but in use, owing to connect by cylindrical spring between two fingertips, make a side fingertip adstante febre make spring pass through electric current easily, and will make spring be subjected to thermal failure, opposite side fingertip contact pressure is reduced and generate heat, whole contact is burnt, the contact that this in addition structure of contact terminal contacts with contact base is the direct press type contact, when deciliter contact, can not remove oxide layer automatically, its contact oxidation and pollution very easily cause the fingertip heating, stretch to whole contact, if such example frequently takes place, will cause power failure when serious, cause very big loss to power department.Creator in the utility model is to disclose a kind of " double-arm high voltage isolation switch contact assembly " among the NO.01271842.4 in the patent No. for this reason, but this high voltage isolation switch contact assembly in use has following problems:
1. the manufacturing process difficulty of spring is bigger, and cost is higher;
2. because spring is not given fingertip one initial pressure, make contact when closing a floodgate, be difficult to adjust to suitable pressure, occur the bite problem easily.
For this reason, the creator in the utility model relies on it to be engaged in the experience and the practice of relevant industries for many years, and through concentrating on studies and developing, creates a kind of high voltage isolation switch contact assembly that can effectively solve the contact heating problem finally.
Summary of the invention
The purpose of this utility model is to provide a kind of high voltage isolation switch contact assembly, utilizes this contact assembly can effectively solve the existing existing heating problem of contact assembly, can solve the problem that existing contact assembly causes because of spring structure is unreasonable simultaneously.
High voltage isolation switch contact assembly in the utility model, include separable or tight mutually contact and the contact base assembly and the contact assembly of conduction, described contact base assembly includes multi-disc fingertip, spring yoke, leaf spring and conductive base, described conductive base is fixedlyed connected with conductive arm, and described multi-disc fingertip passes through spring yoke, leaf spring flexible fastening around described conductive base.
Described spring yoke is the prism-shaped of hollow, wherein an end is uncovered, described multi-disc leaf spring is located at described spring yoke inside, wherein the leaf spring end that is positioned at spring yoke inside is connected with the fingertip of correspondence position by connector, the other end stretch out spring yoke utilize the fingertip discount with described fingertip be pressed on conductive base around.
Described spring yoke is the loop overlapping shape of perforation, and be provided with a location-plate in this loop overlapping shape spring yoke inside, described leaf spring is located in spring yoke inside, and wherein an end connects with corresponding fingertip by connector after stretching out spring yoke, the other end utilize the fingertip discount with fingertip be pressed on conductive base around.
Described spring yoke is the prism-shaped of hollow, described multi-disc leaf spring is located at described spring yoke outside, the middle part of described leaf spring is connected with spring yoke, and an end is connected with the fingertip of correspondence position by connector, the other end utilize the fingertip discount with described fingertip be pressed on conductive base around.
Described spring yoke is the prism-shaped of hollow, and described multi-disc leaf spring is located at described spring yoke outside, and the middle part of described leaf spring is connected with spring yoke, and an end is connected with the fingertip of correspondence position by connector, and the other end and spring yoke stretch in the discount of described fingertip in the lump.
The spring yoke inboard is provided with a plurality of fixing stop bolts of leaf spring of being convenient to.
The discount of described fingertip is crooked hook-type.
Described conductive base is a polygonal pyramid platform, and is provided with one at the middle part and is convenient to the fixing screwed hole of spring yoke.
Described conductive base is a tetragonous cone table.
Described conductive base is the quadrangular shape, and is provided with at the periphery of this quadrangular shape and is convenient to the fixing step of fingertip, is provided with one simultaneously at the middle part and is convenient to the fixing screwed hole of spring yoke.
By the surface blending of an indent, and be provided with one at the middle part and be convenient to the fixing screwed hole of spring yoke between two surfaces of described conductive base.
The forward, central part of described conductive base is provided with one and links to each other or integrally formed boss screw rod with conductive base.
Fixedly connected with spring yoke by the stop bolt of spring yoke outside in described leaf spring middle part.
High voltage isolation switch contact assembly in the utility model is because spring assembly simple in structure, work simplification, thus production cost reduces, and in use make contact pressure that one stationary value is arranged.
Description of drawings
Fig. 1 is the structural representation of existing contact assembly one;
Fig. 2 is the structural representation of existing contact assembly two;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model contact assembly embodiment one;
Fig. 4 is the perspective view of a spring yoke embodiment illustrated in fig. 3;
Fig. 5 be a contact assembly embodiment illustrated in fig. 3 in conjunction with the time structural representation;
Fig. 6 be the utility model contact assembly embodiment two in conjunction with the time structural representation;
Fig. 7 be the utility model contact assembly embodiment three in conjunction with the time structural representation;
Fig. 8 be the utility model contact assembly embodiment four in conjunction with the time structural representation;
Fig. 9 is the structural representation of another embodiment of the utility model contact base;
Figure 10 is the structural representation of the another embodiment of the utility model contact base.
Embodiment
The specific embodiment of the utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment one
As shown in Figure 3 and Figure 4, the high voltage isolation switch contact in the present embodiment includes contact base assembly 5 and contact assembly 6 two parts, wherein:
Contact assembly 6 includes one by the crossing flower bag shape conductive shell 60 that forms of a plurality of cylindrical curved surface, and this conductive shell 60 is fixedlyed connected with conductive arm 3 or be integrally formed.
As Fig. 3 and shown in Figure 5, contact base assembly 5 includes 50,12 fingertips 51 of conductive base, sheet leaf spring 52, a spring yoke 53, a plurality of bolt 54 and the connector 55 identical with fingertip 51 quantity.Conductive base 50 is fixedlyed connected with conductive arm 1 or is integrally formed, and this conductive base 50 is a tetragonous cone table, and the centre is provided with a screwed hole 501; 12 fingertips 51 are located at around the conductive base 50 equably, each fingertip 51 is elongated, wherein with the outside perk of contact assembly 6 contacted ends, so that the conductive shell of contact assembly 6 60 inserts, (promptly folding has one to bend to be provided with a discount 510 with conductive base 51 contacted ends, or crooked hook-type), all fingertips 51 be horn-like after conductive base 50 is fixedlyed connected; As shown in Figure 4, spring yoke 53 is a hollow quadrangular of holding sealing one by one, is provided with a plurality of fixedly stop bolts (hole) 530 of leaf spring 52 of being convenient on its sidewall, is provided with one at an end that seals and is convenient to the through hole 531 that bolt 54 wears.Utilize this spring yoke 53 multi-disc leaf spring 52 can be enclosed in its inside, and be provided with near ends of sealing at spring yoke 53 and be suitable for the slotted eye 532 that connector 55 passes, leaf spring 52 1 ends that are fixed in stop bolt 530 are connected in the middle part of the fingertip 51 of correspondence position by connector 55, the other end extend spring yoke 53 and with the discount 510 of fingertip 51 be pressed on conductive base 50 around, make fingertip 51 and electricity lead pedestal 50 and closely contact.
The elastic construction that high voltage isolation switch contact assembly in the present embodiment constitutes by means of leaf spring 52 and spring yoke 53, make the simple in structure of spring assembly, work simplification, and production cost reduces, in addition, when contact assembly 6 does not insert contact base assembly 5, the fingertip 51 that hangs on the leaf spring 52 is strained a definite pulling force (initial tension) at spring yoke 53 peripheries in advance by leaf spring 52, at this moment when contact assembly 6 inserts, little distortion takes place in leaf spring 52, make contact pressure greater than initial tension and be more or less the same, thereby make contact pressure that one stationary value be arranged.
Embodiment two
As shown in Figure 6, basic identical among the structure of embodiment two mesohigh isolation switch contact assemblies and the embodiment one, its unique difference is the structure difference of spring yoke 53, wherein spring yoke 53 is ring sets that connect, this spring yoke 53 that is loop overlapping shape is enclosed within the periphery of four leaf springs 52, one end of leaf spring 52 is connected with the fingertip 51 that is located at conductive base 50 the same sides by connector 55, the other end by means of the discount 510 of fingertip 51 with fingertip 51 be pressed on conductive base 50 around, while spring yoke 53 portion within it is fixed with a location-plate 533, by bolt 54, location-plate 533 is fixed on the conductive base 50 spring yoke 53.High voltage isolation switch contact assembly operation principle among this embodiment two is identical with embodiment's one, and also can reach the effect of embodiment one.
Embodiment three
As shown in Figure 7, identical among the structure of these embodiment three mesohigh isolation switch contact assemblies and the embodiment one, its difference is that leaf spring 52 is different with the annexation of spring yoke 53, fingertip 51, as shown in Figure 7, leaf spring 52 is distributed in the periphery of spring yoke 53, its middle part stop bolt 530 by spring yoke 53 outsides is connected with spring yoke, and two ends one end passes through connector 55 and is connected with fingertip, the other end by means of the discount 510 of fingertip 51 with fingertip 51 be pressed on conductive base 50 around.
Embodiment four
As shown in Figure 8, the structure of the high voltage isolation switch contact assembly in the present embodiment and the basically identical among the embodiment three, its difference only is that the termination length of spring yoke 53 is slightly longer, and this elongation end and leaf spring 52 insert the discount inside of fingertip 51 in the lump, the other end of leaf spring 52 links to each other with fingertip 51 middle parts with connector 55, the middle part be connected with spring yoke 53, all the other structural principles all with embodiment three in identical, no longer the detailed description.
In addition, the connector in the foregoing description 55 can be bolt, pin and steel wire shackle or pin and integrated circuit board etc.
Claims (13)
1. high voltage isolation switch contact assembly, include separable or tight mutually contact and the contact base assembly (5) and the contact assembly (6) of conduction, it is characterized in that: described contact base assembly includes multi-disc fingertip, spring yoke, leaf spring and conductive base, described conductive base is fixedlyed connected with conductive arm, and described multi-disc fingertip passes through spring yoke, leaf spring flexible fastening around described conductive base.
2. according to the high voltage isolation switch contact assembly described in the claim 1, it is characterized in that: described spring yoke is the prism-shaped of hollow, wherein an end is uncovered, described multi-disc leaf spring is located at described spring yoke inside, wherein the leaf spring end that is positioned at spring yoke inside is connected with the fingertip of correspondence position by connector, the other end stretch out spring yoke by the fingertip discount with described fingertip be pressed on conductive base around.
3. according to the high voltage isolation switch contact assembly described in the claim 1, it is characterized in that: described spring yoke is the loop overlapping shape of perforation, and be provided with a location-plate in this loop overlapping shape spring yoke inside, described leaf spring is located in spring yoke inside, wherein an end connects with corresponding fingertip by connector after stretching out spring yoke, the other end by the fingertip discount with fingertip be pressed on conductive base around.
4. according to the high voltage isolation switch contact assembly described in the claim 1, it is characterized in that: described spring yoke is the prism-shaped of hollow, described multi-disc leaf spring is located at described spring yoke outside, the middle part of described leaf spring is connected with spring yoke, one end is connected with the fingertip of correspondence position by connector, the other end by the fingertip discount with described fingertip be pressed on conductive base around.
5. according to the high voltage isolation switch contact assembly described in the claim 1, it is characterized in that: described spring yoke is the prism-shaped of hollow, described multi-disc leaf spring is located at described spring yoke outside, the middle part of described leaf spring is connected with spring yoke, one end is connected with the fingertip of correspondence position by connector, and the other end and spring yoke stretch in the discount of described fingertip in the lump.
6. according to any described high voltage isolation switch contact assembly in the claim 1 to 3, it is characterized in that: the spring yoke inboard is provided with a plurality of fixing stop bolts of leaf spring of being convenient to.
7. according to any described high voltage isolation switch contact assembly in the claim 1 to 5, it is characterized in that: the discount of described fingertip is crooked hook-type.
8. according to any described high voltage isolation switch contact assembly in the claim 1 to 5, it is characterized in that: described conductive base is a polygonal pyramid platform, and is provided with one at the middle part and is convenient to the fixing screwed hole of spring yoke.
9. the high voltage isolation switch contact assembly described in according to Claim 8, it is characterized in that: described conductive base is a tetragonous cone table.
10. according to any described high voltage isolation switch contact assembly in the claim 1 to 5, it is characterized in that: described conductive base is the quadrangular shape, and be provided with at the periphery of this quadrangular shape and be convenient to the fixing step of fingertip, be provided with one simultaneously at the middle part and be convenient to the fixing screwed hole of spring yoke.
11., it is characterized in that: by the surface blending of an indent, and be provided with one at the middle part and be convenient to the fixing screwed hole of spring yoke between two surfaces of described conductive base according to any described high voltage isolation switch contact assembly in the claim 1 to 5.
12. the high voltage isolation switch contact assembly according to described in the claim 1 to 5 is characterized in that: the forward, central part of described conductive base is provided with one and links to each other or integrally formed boss screw rod with conductive base.
13. the high voltage isolation switch contact assembly according to described in claim 4 or 5 is characterized in that: fixedly connected with spring yoke by the stop bolt of spring yoke outside in described leaf spring middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077257 CN2735527Y (en) | 2004-08-12 | 2004-08-12 | Contact assembly for high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420077257 CN2735527Y (en) | 2004-08-12 | 2004-08-12 | Contact assembly for high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2735527Y true CN2735527Y (en) | 2005-10-19 |
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ID=35265396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420077257 Expired - Fee Related CN2735527Y (en) | 2004-08-12 | 2004-08-12 | Contact assembly for high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2735527Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
-
2004
- 2004-08-12 CN CN 200420077257 patent/CN2735527Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |