CN205452125U - Contact rotary switch device - Google Patents
Contact rotary switch device Download PDFInfo
- Publication number
- CN205452125U CN205452125U CN201620163586.8U CN201620163586U CN205452125U CN 205452125 U CN205452125 U CN 205452125U CN 201620163586 U CN201620163586 U CN 201620163586U CN 205452125 U CN205452125 U CN 205452125U
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- electrode
- rotation
- fixed electrode
- housing
- electrode support
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Abstract
The utility model provides a contact rotary switch device, belongs to the switching device field. The utility model discloses with low costs, working life is long, reliable operation and security performance are good, be fit for using as the switch, the utility model discloses the center pin divide into the three -section, is epoxy and pours and form, respectively has a ceramic grinding's rotary electrode support between middle part center pin and upper portion center pin, lower part center pin, rotary electrode installs on the rotary electrode support through the cooperation with metal sheet and nut, electrode support is fixed to installing of symmetry on the casing, the fixed electrode passes through fixed electrode fastening end and the spring is adjustable installs on fixed electrode support, the casing middle part is arranged in to the center pin that has the rotary electrode support, be full of transformer oil in the casing. The utility model discloses produce the bipolar pulse ripples, satisfy with low costs, working life long, reliable operation and security performance are fit for using in electric field sterilizing installation well.
Description
Technical field
This utility model relates to switching device field, particularly relates to a kind of contact rotary switch device.
Background technology
The problem of food safety is the common focus of attention of whole world people, the most in recent years Social Media the report of the bakery and confectionery of some illegal operations has been increased the weight of people to food safety worry, in food processing process, sterilizing is to ensure that the major measure of food safety.
The major way of sterilizing in recent years is heat sterilization, but the heat effect of heat sterilization destroys the benefit materials in food, such as beneficial proteins and some aminoacid etc., in order to find the sterilization mode that can substitute heat sterilization, having attempted a lot of method, wherein voltage sterilization method is one of current maximally effective sterilization mode.
But voltage sterilizing is not promoted, the mainly acquisition of power supply is relatively difficult, and present stage does not also have the technological means of maturation.Power supply is mainly a kind of by two kinds of implementations is that electronic device forms, but its high cost is not suitable for using in the industry, another kind is the power supply of mechanical type, low cost and being easily achieved, it is suitable for future development, mechanical type power supply is mainly made up of DC power supplier and switch module two parts, and switch sections is of paramount importance.
For adapting to following development, mechanical switch cost is low to reduce the overall cost of sterilizing installation, higher reliability is had during work, with satisfied sterilization requirement, the personal safety of operator and be also intended to the service life of switch consider content, therefore mechanical switch is intended to accomplish work process safety, and service life wants height.
Summary of the invention
The purpose of this utility model is to solve above-mentioned technical problem, and then provides a kind of contact rotary switch, and reliable operation, security performance is long for good service life.
The technical solution of the utility model:
A kind of contact rotary switch device, including central upper portion axle, middle part central shaft, lower central axle, upper end cover, housing, fixed electrode support, rotation electrode support, fixed electrode, rotation electrode, fixed electrode fastening termination, clutch shaft bearing, the second bearing, metallic plate, sealing ring.
Described central upper portion axle, middle part central shaft, lower central axle are epoxy resin and make, described central upper portion axle and described lower central axle are the structure of three grades of stepped cylindrical shapes, and it is the maximum of mid diameter, the diameter at two ends is little, thus can form shoulder in middle both sides, described middle part central shaft has the first screwed hole and the second screwed hole can coordinate with the external screw thread of central upper portion axle and lower central axle to be combined into a complete central shaft.
Described middle part central shaft also has for connecting the first rectangular through-hole and the second rectangular through-hole that two metallic plates rotating rotation electrode pass.
Described clutch shaft bearing is arranged on central upper portion axle, and lean against the shoulder of central upper portion axle upper end, second bearing is arranged on one end on lower central axle and leans against the shoulder of the lower end of lower central axle, the other end leans against in the groove of housing, as preferably, clutch shaft bearing and the second bearing all use sealing bearing.
Described rotation electrode support is ceramic cylinder structure, and there is the first through hole at middle part, this through hole can match with the structure at central shaft two ends, middle part, the protruding line of middle part central shaft two-end structure is mutually an angle of 90 degrees, the two ends of middle part central shaft are respectively provided with a rotation electrode support, are also mutually an angle of 90 degrees after installing on the second through hole of two rotation electrode supports and the line direction of third through-hole.
Described housing is the can-like structure using epoxy resin to pour, the smooth section of housing is machined with four through holes, and it is symmetrical two-by-two, fixed electrode support is arranged in this through hole, it is fixed on housing by nut outside housing, and there are sealing ring, fixed electrode support to be positioned at the part of housing by being provided with fixed electrode with electrode fastening termination, spring adjustable between fixed electrode support and housing.
It is from top to bottom the first fixed electrode that definition is positioned at the fixed electrode on the left of housing, second fixed electrode, it is positioned at the fixed electrode on the right side of housing and is from top to bottom followed successively by the 3rd fixed electrode, 4th fixed electrode, the rotation electrode support that definition is installed between central upper portion axle and middle part central shaft is the first rotation electrode support, the rotation electrode support being installed between center, middle part and lower central axle is the second rotation electrode support, and define and be positioned at respectively the first rotation electrode from left to right of the rotation electrode on the first rotation electrode support, second rotation electrode, it is positioned at the rotation electrode on the second rotation electrode support and is respectively the 3rd rotation electrode and the 4th rotation electrode from front to back.
Further: in described housing, be full of transformer oil.
Further: described rotation electrode and fixed electrode are stainless steel electrode.
Further: described rotation electrode is three grades of hierarchic structures, and the big one end upper and lower surface of diameter all has fillet.
The effect that this utility model is reached is:
There is transformer oil in housing, on the one hand can increase breakdown voltage and avoid damaging rotation electrode support；On the other hand the effect of lubrication can be played；In the utilization of transformer oil can also avoid housing, temperature rise is too high；Rotation electrode support ceramic material is made, more wear-resisting, heat-resisting；Sealing ring and the use of sealing bearing so that transformer oil will not flow out outside housing；Fixed electrode directly contacts the waste avoiding energy with rotation electrode, and two rotation electrode lines of the same side differ an angle of 90 degrees degree with two rotation electrode lines of opposite side, can produce bipolar pulse ripple；Generally speaking this utility model low cost, long working life, reliable operation and security performance are good, are suitably applied in electric field sterilization equipment.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the structural representation of central upper portion axle；
Fig. 3 is the structural representation of middle part central shaft, wherein (a) be the main pseudosection of middle part central shaft, (b) be middle part central shaft top view, (c) be middle part central shaft left view；
Fig. 4 is lower central axle construction schematic diagram；
Fig. 5 is the structural representation of housing, wherein (a) be the main pseudosection of housing, (b) be housing top view；
Fig. 6 is the structural representation of fixed electrode support；
Fig. 7 is the structural representation of rotation electrode support；
Fig. 8 is the structural representation of rotation electrode, (a) be front view, (b) be top view；
Fig. 9 be fixed electrode fastening termination structural representation, (a) be main pseudosection (b) be top view.
In figure, in the middle part of 1-central upper portion axle, 2-, central shaft, 3-lower central axle, 4-upper end cover, 5-housing, 6-fixed electrode support, 7-rotation electrode support, 8-fixed electrode, 9-rotation electrode, 10-fixed electrode fasten termination, 11-clutch shaft bearing, 12-the second bearing, 13-metallic plate, 14 sealing rings.
Detailed description of the invention:
Below with reference to accompanying drawing, this utility model is described in detail.
In conjunction with shown in Fig. 1 to Fig. 9, contact rotary switch device disclosed in the present embodiment, including central upper portion axle 1, middle part central shaft 2, bottom centre's axle 3, upper end cover 4, housing 5, fixed electrode support 6, rotation electrode support 7, fixed electrode 8, rotation electrode 9, fixed electrode fastening termination 10, clutch shaft bearing the 11, second bearing 12, metallic plate 13, sealing ring 14, central shaft is divided into three parts, it is respectively central upper portion axle 1, middle part central shaft 2 lower central axle 3, central shaft all uses epoxy resin, so can reduce the quality of axle thus alleviate the load of motor.
Central upper portion axle 1 is three grades of step-like cylindrical structures, the diameter of both end of which is little, middle diameter is big, the bottom bar-shaped end of minor diameter is formed with shoulder with diameter rod end broad in the middle, it is used for fastening rotation electrode support, and outside has external screw thread to coordinate with the first screwed hole 2-1 of middle part central shaft 2, thus connect two central shafts, minor diameter bar-shaped end in top is used for installing clutch shaft bearing 11, the bar-shaped end of top minor diameter and diameter rod end broad in the middle also can be formed with shoulder, it is used for fixing clutch shaft bearing 11, blind hole 1-1 is had on the top of the bar-shaped end of top minor diameter, it is used for connecting rotor, the direction axially vertical with blind hole 1-1 has been processed to form screwed hole 1-2, can be by coordinating fastening rotor with screw.
The end of middle part central shaft 2 is that edge is with protruding structure, this structure is to fix rotation electrode support, it has been processed to form the first screwed hole 2-1 with on protruding structure in top edge, thus can be connected with central upper portion axle 1 easily, lower edge has been processed to form the second screwed hole 2-2 with on protruding structure, thus can be connected with lower central axle 3 easily, being processed to form again the through hole that cross section is rectangle in close proximity to the two ends of this structure is the first through hole 2-3, lower section be the through hole of rectangle be the second through hole 2-4, the purpose of rectangular through-hole is to install metallic plate 13, and require that every side is identical with through hole axial direction with the protruding line direction of protruding structure, and it is mutually the distribution of an angle of 90 degrees degree up and down, advantage of this is that and can produce ambipolar pulse voltage.
Lower central axle 3 is for three grades of stepped cylindrical body structures, the diameter of mid portion is big, the diameter at two ends is little, wherein small-diameter circular styletable in top is machined with external screw thread, coordinates with the second screwed hole 2-2 of middle part central shaft 2, thus connects two central shafts, the cylinder that base diameter is little, for installing the second bearing 12, and the little cylinder of base diameter forms shoulder with the big cylinder of mid diameter, is used for fixing the second bearing 12.
Upper end cover 4 edge is machined with 6 through holes, so can be by being connected with the bead of housing 5 with screw, the cooperation of nut, the mid portion of bottom is boss structure, and in the middle of boss, it is machined with groove and through hole, its further groove is to place clutch shaft bearing 11, through hole provides passage for central upper portion axle 1, is conveniently attached with motor.
Described housing 5 is the can-like structure using epoxy resin to pour, the smooth section of housing 5 is machined with four through holes, and it is symmetrical two-by-two, fixed electrode 9 is arranged in this through hole, and there is sealing ring 14 between fixed electrode support 6 and housing 5, boss is had bottom housing 5, groove it is machined with again for placing the second bearing 12 on boss, the bottom margin of housing 5 and top all have beading structures, wherein top is used for and the upper end cover 4 whole switching system of fitted seal, and the beading structures of bottom is for being fixed on stabilised platform by housing 5.
Fixed electrode support 6 is the cylindrical structure of copper two-stage hierarchic structure, two ends are all machined with external screw thread, wherein the external screw thread of one end that diameter is big is by being connected with fixed electrode fastening termination 10, so that fixed electrode is fixed, the external screw thread of one end that diameter is little and nut screw connection, thus fixed electrode support 6 is fixed on housing 5, the cylindrical structure body top little at diameter has screwed hole, do so can be by the electric wire that is connected with screw, the cylinder top that diameter is big has blind hole, thus can put into spring, so that the length of fixed electrode can change.
The cylindrical structure that rotation electrode support 7 is, and use pottery so can be more resistant to ablation as material, it is the first through hole 7-1 in the middle of this cylinder, thus can be connected with protruding structure with the edge of middle part central shaft 2, thus by fixing on center shaft for fixing rotation electrode support 7, additionally being machined with the second through hole 7-2, third through-hole 7-3, the two through hole is used for placing rotation electrode 9
Fixed electrode 8 is the two-stage stepped cylindrical body structure using stainless steel material, wherein process semicircular end face at the cylinder top that its diameter is little, do so can avoid the generation of electric field concentration phenomenon, and define shoulder in two cylindrical junctions, for being limited in by fixed electrode 8 in the blind hole of fixed electrode support 6, the cylinder bottom that diameter is big passes through against spring thus regulates the extension elongation of fixed electrode.
Definition is positioned at the fixed electrode 8 on the left of housing 5, it it is from top to bottom the first fixed electrode, second fixed electrode, it is positioned at the fixed electrode 8 on the right side of housing 5 and is from top to bottom followed successively by the 3rd fixed electrode, 4th fixed electrode, the rotation electrode support 7 that definition is installed between central upper portion axle 1 and middle part central shaft 2 is the first rotation electrode support, the rotation electrode support 7 being installed between middle part central shaft 2 and lower central axle 3 is the second rotation electrode support, and define and be positioned at respectively the first rotation electrode from left to right of the rotation electrode 9 on the first rotation electrode support, second rotation electrode, it is positioned at the rotation electrode 9 on the second rotation electrode support and is respectively the 3rd rotation electrode and the 4th rotation electrode from front to back.
Rotation electrode 9 is the cylindrical structure of the three grades of ladders using stainless steel material, it it is one end that diameter is little bottom it, top is one end that diameter is maximum, mid portion is that diameter falls between, bottom is machined with external screw thread, so can be fixed on rotation electrode support 7 by nut, the cylinder top at top processes the first fillet 9-1, the bottom of top cylindrical body processes the second fillet 9-2, the upper end of top cylindrical body has been processed to form interior hexagonal blind hole 9-3, and above way is for avoiding the generation of electric field concentration phenomenon.
Fixed electrode fastening termination 10 is similarly copper fastening termination, its one end has female thread, the other end has via, it is to allow fixed electrode 8 pass through, and the diameter of via and fixed electrode 8 smaller diameter end is equivalently-sized, thus can provide to electrode with fixed electrode and support, there is smooth section the outside of fixed electrode fastening termination 10, so that installing, having fillet to be processed outside one end of via, do so is also for reducing electric field concentration effect.
Clutch shaft bearing 11 and the second bearing 12 all use sealing bearing, and sealing ring 14 is O RunddichtringO.
As shown in accompanying drawing 1-9, rotation electrode switch assembling is as follows:
nullOne rotation electrode support 7 is passed the top of middle part central shaft 2，It is screwed in the first screwed hole 2-1 of middle part central shaft 2 with the screwed side of top central shaft 1，Separately take a rotation electrode support by 7 bottoms passing middle part central shaft 2，Take off in the second screwed hole 2-2 that the screwed side of portion's central shaft 3 is screwed into middle part central shaft 2，Take two metallic plates 13 to be respectively implanted in the first rectangular through-hole 2-3 and second rectangular through-hole 2-4 of middle part central shaft 2，On metallic plate 13 two through holes are made to overlap with the first through hole 7-2 and 7-3 on rotation electrode support 9，Take two through holes that its screwed one end is each passed through on the first through hole of rotation electrode support 7 and the second through hole and metallic plate 13 by four rotation electrodes 9，Require that all rotation electrodes 9 point to middle position with female one end，And coordinate with the external screw thread of nut with rotation electrode 9，Rotation electrode 9 is fastened，The assembling of rotation electrode part is complete.
Take four fixed electrode supports 6, separately take four little one end of sealing ring 14 self-retaining electrode suppor 6 diameter and be inserted in.Then one end little for its diameter is passed by housing 5 is internal, coordinate with the external screw thread of fixed electrode support 6 with nut outside housing 5, thus be fixed on housing 5, take in the blind hole that fixed electrode 8 inserted by four springs, separately take four fixed electrodes 8 put into one end big for its diameter in the blind hole of fixed electrode support 6 and fit tightly with spring, being screwed on the external screw thread with blind hole one end of fixed electrode support 6 four fixed electrodes fastening terminations 10 afterwards, the one end making the diameter of fixed electrode 8 little is stretched out to contact with rotation electrode.
Second bearing 12 is put in the groove bottom housing 5, the rotation electrode part top-down assembled is installed on the second bearing 12, lower central axle 3 is made to closely cooperate with the second bearing 12, take clutch shaft bearing 11 and be inserted in the upper end of central upper portion axle 1, transformer oil is imported in housing 5, take upper end cover 4 afterwards and coordinate closely with housing 5 bead, and make clutch shaft bearing 11 be positioned in the groove of upper end cover 4, with screw through upper end cover 4 and the through hole of housing 5 bead after assembling, and fix at opposite side nut screwing clamping.
It is screwed into screw in the screwed hole of the fixed electrode support 6 stretching out housing 5, so that connection electric wire, whole system is made to be capable of electrical connection, the rotor of motor is put in blind hole 1-1 of central upper portion axle 1, and it is screwed in the screwed hole 1-2 of central upper portion axle 1 with screw and rotor is fastened, so that it normally works.
The whole system assembled is placed on stabilised platform.
Although the embodiment disclosed in this utility model is as above, but its content is only to facilitate the embodiment that understands the technical solution of the utility model and use, is not intended to limit this utility model.Technical staff in any this utility model art; on the premise of without departing from the core technology scheme disclosed in this utility model; any amendment and change can be made in the form implemented and details; but the protection domain that this utility model is limited, still must limit in the range of standard with appending claims.
Claims (4)
1. a contact rotary switch device, it is characterised in that: include central upper portion axle (1), middle part central shaft (2), lower central axle (3), upper end cover (4), housing (5), fixed electrode support (6), rotation electrode support (7), fixed electrode (8), rotation electrode (9), fixed electrode fastening termination (10), clutch shaft bearing (11), the second bearing (12), metallic plate (13), sealing ring (14)；Described central upper portion axle (1), middle part central shaft (2), lower central axle (3) are epoxy resin and make, described central upper portion axle (1) and described lower central axle (3) are the structure of three grades of stepped cylindrical shapes, and it is the maximum of mid diameter, the diameter at two ends is little, thus can form shoulder in middle both sides, described middle part central shaft (2) has the first screwed hole (2-1) and the second screwed hole (2-2) can coordinate with the external screw thread of central upper portion axle (1) and lower central axle (3) to be combined into a complete central shaft；Described middle part central shaft (2) also has for connecting the first rectangular through-hole (2-3) and the second rectangular through-hole (2-4) that two rotation electrodes (9) metallic plate (14) pass；Described clutch shaft bearing (11) is arranged on central upper portion axle (1), and lean against on the shoulder of central upper portion axle (1) upper end, second bearing (12) is arranged on lower central axle (3), and one end leans against the shoulder of the lower end of lower central axle (3), the other end leans against in the groove of housing (5)；Described rotation electrode support (7) is ceramic cylinder shape structure, and there is the first through hole (7-1) at middle part, this through hole can match with the structure at middle part central shaft (2) two ends, the protruding line of middle part central shaft (2) two-end structure is mutually an angle of 90 degrees, the two ends at middle part central shaft (2) are respectively provided with a rotation electrode support (7), are also mutually an angle of 90 degrees after installing on second through hole (7-2) of two rotation electrode supports (7) and the line direction of third through-hole (7-3)；Described housing (5) uses the can-like structure that epoxy resin pours, the smooth section (5-1) of housing (5) is machined with four through holes, and it is symmetrical two-by-two, fixed electrode support (6) is arranged in this through hole, it is fixed in by nut outward on housing (5) at housing (5), and there are sealing ring (14), fixed electrode support (6) to be positioned at the part of housing (5) by being provided with fixed electrode (8) with electrode fastening termination (10), spring adjustable between fixed electrode support (6) and housing；It is from top to bottom the first fixed electrode that definition is positioned at the fixed electrode (8) in housing (5) left side, second fixed electrode, the fixed electrode (8) being positioned at housing (5) right side is from top to bottom followed successively by the 3rd fixed electrode, 4th fixed electrode, the rotation electrode support (7) that definition is installed between central upper portion axle (1) and middle part central shaft (2) is the first rotation electrode support, the rotation electrode support (7) being installed between middle part central shaft (2) and lower central axle (3) is the second rotation electrode support, and define and be positioned at respectively the first rotation electrode from left to right of the rotation electrode on the first rotation electrode support, second rotation electrode, it is positioned at the rotation electrode on the second rotation electrode support and is respectively the 3rd rotation electrode and the 4th rotation electrode from front to back.
A kind of contact rotary switch device the most according to claim 1, it is characterised in that: it is full of transformer oil in described housing (5).
A kind of contact rotary switch device the most according to claim 1, it is characterised in that: described fixed electrode (8) and rotation electrode (9) are stainless steel electrode.
A kind of contact rotary switch device the most according to claim 1, it is characterised in that: described rotation electrode (9) is three grades of hierarchic structures, and the big one end upper and lower surface of diameter all has fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163586.8U CN205452125U (en) | 2016-03-04 | 2016-03-04 | Contact rotary switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163586.8U CN205452125U (en) | 2016-03-04 | 2016-03-04 | Contact rotary switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205452125U true CN205452125U (en) | 2016-08-10 |
Family
ID=56604918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620163586.8U Expired - Fee Related CN205452125U (en) | 2016-03-04 | 2016-03-04 | Contact rotary switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205452125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546066A (en) * | 2017-10-19 | 2018-01-05 | 中国科学技术大学 | A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control |
| CN107622882A (en) * | 2017-09-12 | 2018-01-23 | 深圳市科华恒盛科技有限公司 | A kind of multichannel gate-controlled switch |
-
2016
- 2016-03-04 CN CN201620163586.8U patent/CN205452125U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622882A (en) * | 2017-09-12 | 2018-01-23 | 深圳市科华恒盛科技有限公司 | A kind of multichannel gate-controlled switch |
| CN107546066A (en) * | 2017-10-19 | 2018-01-05 | 中国科学技术大学 | A kind of use for laboratory is in the small automatic mechanical switching device of high voltage control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20170304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |