CN202796490U - Non-excitation bar shaped tap switch - Google Patents
Non-excitation bar shaped tap switch Download PDFInfo
- Publication number
- CN202796490U CN202796490U CN 201220411918 CN201220411918U CN202796490U CN 202796490 U CN202796490 U CN 202796490U CN 201220411918 CN201220411918 CN 201220411918 CN 201220411918 U CN201220411918 U CN 201220411918U CN 202796490 U CN202796490 U CN 202796490U
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- contact
- bar
- column fixed
- fixed contact
- excitation
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Abstract
The utility model relates to a non-excitation bar shaped tap switch. The tap switch comprises an insulation rod and a support, the support is provided with an operation positioning device, the insulation rod is provided with a toothed bar movable rack, tooth bars of the toothed bar movable rack are engaged with a driving wheel of the operation positioning device, the insulation rod is provided with cylindrical static contacts in a longitudinal separation, the toothed bar movable rack is connected with movable contact supports, the movable contact supports are provided with movable contact assemblies configured with the static contacts on the insulation rod, the movable contact assembly comprises an annular movable contact and a spring pin configured together, and the annular movable contact is in bridge connection between two adjacent cylindrical static contacts. The non-excitation bar shaped tap switch not only reduces friction resistance in mobile transposition of movable contacts, but also reduces wear damages between the movable contacts and the static contacts; the movable contact and the static contact have reliable contact and accurate position, obvious operation hand feel can be felt in gear shifting, so operation reliability is high; and the switch has advantages of simple and compact structure and reasonable arrangement.
Description
Technical field
The utility model relates to a kind of transformer and uses without excitation bar-type tapping switch.
Background technology
A kind of strip-like non-excitation tapping switch is disclosed in Chinese patent CN201126756Y, its sets of contacts part is by moving contact and stationary contact is first-class forms, moving contact is the intermediate plate shape, two moving contacts compress by spring or reed and are connected across on the fixed contact up and down, during the switch gear shift up and down two moving contacts slide at fixed contact.There is following deficiency in above structure: frictional resistance greatly and without operating handle, the dynamic/static contact wearing and tearing are large when moving contact slided at fixed contact, can not overcome operation positioning transmission error, and operating reliability is lower.
The utility model content
Technical problem to be solved in the utility model be to overcome the deficiency that above-mentioned prior art exists and provide a kind of contact reliable, accurate positioning, operating reliability high without excitation bar-type tapping switch.
The utility model is that the technical scheme that the problem of the above-mentioned proposition of solution adopts is:
Comprise insulating bar and support, install the operation positioner on the described support, the tooth bar movable stand is set on the described insulating bar, the tooth bar of tooth bar movable stand is meshed with the driven wheel of operation positioner, longitudinally the interval is installed on the column fixed contact on insulating bar, connect moving contact rack on the described tooth bar movable stand, install the fixed contact phase configuration on moving contact component and the insulating bar on the moving contact rack, it is characterized in that described moving contact component is formed by the configuration of annular dynamic contact and bullet pin, described annular dynamic contact is connected across between the two adjacent column fixed contacts.
Press such scheme, described bullet pin is installed in the annular dynamic contact, makes annular dynamic contact and column fixed contact close contact by the radical elasticity effect to the ring inner ring, and described bullet pin is formed by sliding pin and return spring configuration.
Press such scheme, described bullet pin is installed in outside the annular dynamic contact, makes annular dynamic contact and column fixed contact close contact by the radical elasticity effect to the ring outer ring, and described bullet pin is formed by sliding pin and return spring configuration.
Press such scheme, the slide opening phase configuration of described sliding pin back segment and moving contact rack, sliding pin front end and annular dynamic contact phase configuration, described return spring is sleeved on outside the sliding pin.
Press such scheme, described moving contact rack is provided with the cantilever of downward bending, and the lower end slippage configuration of chute and insulating bar is offered in the cantilever inboard.
Press such scheme, described column fixed contact is cylindric or flat column.
Press such scheme, the described column fixed contact of installing along insulating bar longitudinal separation is vertical bar shaped, crosses insulating bar, and described annular dynamic contact is installed in the top of column fixed contact, and dynamic and static contact is that correspondence arranges structure up and down.
Press such scheme, the described column fixed contact of installing along insulating bar longitudinal separation is bent, end bending makes progress after crossing insulating bar, and described annular dynamic contact is installed in the bending of column fixed contact to the outside of upper end, and dynamic and static contact is that the front and back correspondence arranges structure.
Press such scheme, the other end of described column fixed contact is the wiring styletable.
Press such scheme, described column fixed contact is provided with 1 ~ 3 group, and moving contact component of every group of corresponding configuration of column fixed contact consists of 1 ~ 3 component connection mechanism.
The beneficial effects of the utility model are: 1, adopt the annular dynamic contact structure to make the moving contact gear shift become barrel shift by sliding transfer, this has not only reduced moving contact and has moved the frictional resistance of transposition, and reduced between the dynamic/static contact and wear and tear, thereby prolong the Acceptable life of shunting switch; 2, annular dynamic contact is connected across between the two adjacent column fixed contacts, and the dynamic/static contact contact is reliable, and annular dynamic contact has the self-return function, accurate positioning, and because moving contact traversing amplitude when the gear shift vertical shift is larger, obvious operating handle is arranged when gear shift, so operating reliability is high; 3, have simple and compact for structurely, rational characteristics are set.
Description of drawings
Fig. 1 is first embodiment front view of the present utility model.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 is second embodiment front view of the present utility model.
Fig. 4 is the B-B cutaway view among Fig. 3.
Fig. 5 is the 3rd embodiment front view of the present utility model.
Fig. 6 is that A among Fig. 5 is to cutaway view.
Fig. 7 is the 4th embodiment front view of the present utility model.
Fig. 8 is that B among Fig. 7 is to cutaway view.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
An embodiment of the present utility model as shown in Figure 1, 2, comprise that the cross section is the strip insulating bar 2 of rectangle, be connected with support on the insulating bar, install operation positioner 1 on the described support, operation positioner lower end arranges driven wheel 4, described insulating bar top arranges tooth bar movable stand 3, and the tooth bar of tooth bar movable stand is meshed with the gear of operation positioner, and the tooth bar movable stand can vertically be moved around along insulating bar; Longitudinally the interval is installed on column fixed contact 9 on insulating bar, described column fixed contact is cylindric and is vertical bar shaped, cross insulating bar, the column fixed contact is provided with 3 groups, and every group arranges 4 ~ 10 column fixed contacts, and the spacer of column fixed contact equates in every group, the other end of column fixed contact is the wiring styletable, each organizes the column fixed contact larger spacing of being separated by, and moving contact component of every group of corresponding configuration of column fixed contact consists of 3 component connection mechanisms; Connect 3 moving contact racks 5 on the described tooth bar movable stand, described moving contact rack is provided with the cantilever of downward bending, and the lower end slippage configuration of chute and insulating bar is offered in the cantilever inboard; Install the fixed contact phase configuration on moving contact component and the insulating bar on the moving contact rack, described moving contact component is formed by annular dynamic contact 6 and the configuration of bullet pin, annular dynamic contact is connected across between the two adjacent column fixed contacts, annular dynamic contact is installed in the top of column fixed contact, and dynamic and static contact is that correspondence arranges structure up and down; Described bullet pin is installed in the annular dynamic contact, the bullet pin is formed by sliding pin 8 and return spring 7 configurations, the slide opening phase configuration of sliding pin back segment and moving contact rack, the sliding pin front end is provided with the larger termination of diameter and annular dynamic contact inner ring phase configuration, described return spring is sleeved on outside the sliding pin, between slide opening end face and sliding pin termination, make annular dynamic contact and column fixed contact close contact by the radical elasticity effect to the annular dynamic contact inner ring.
When needs are shifted gears, start-up operation positioner 1, operation positioner 1 drive driven wheel 4 rotarily drives tooth bar movable stand 3 and vertically moves, the tooth bar movable stand drives moving contact rack 5 and moves around at insulating bar, roll at the column fixed contact thereby drive annular dynamic contact, realize the gearshift of switch.
Second embodiment of the present utility model is shown in Fig. 3,4, with first embodiment difference be that the bullet pin is installed in outside the annular dynamic contact 6, described bullet pin is formed by sliding pin 8 and return spring 7 configurations, the sliding pin front end is provided with the larger termination of diameter, arc chute and annular dynamic contact phase configuration are set on the termination, make annular dynamic contact and column fixed contact close contact by the radical elasticity effect to the annular dynamic contact outer ring, drive annular dynamic contact during simultaneously vertical shift and roll.
The 3rd embodiment such as Fig. 5 of the present utility model, shown in 6, be the structure of column fixed contact 9 with first embodiment difference, column fixed contact 9 is for being bent into L-type, end bending upwards after crossing insulating bar, the parallel sidewalls of the curved end of column fixed contact and insulating bar 2, described moving contact component is also done corresponding variation, described annular dynamic contact is installed in the bending of column fixed contact to the outside of upper end, and 90 ° of the axis rotations of annular dynamic contact, become vertical direction by horizontal direction, described bullet pin is installed in the annular dynamic contact, consists of moving, fixed contact is that the front and back correspondence arranges structure.Other structure is identical with first embodiment.
The 4th embodiment such as Fig. 7 of the present utility model, shown in 8, be the structure of column fixed contact 9 with second embodiment difference, column fixed contact 9 is for being bent into L-type, end bending upwards after crossing insulating bar, the parallel sidewalls of the curved end of column fixed contact and insulating bar 2, described moving contact component is also done corresponding variation, described annular dynamic contact is installed in the bending of column fixed contact to the outside of upper end, and 90 ° of the axis rotations of annular dynamic contact, become vertical direction by horizontal direction, described bullet pin is installed in outside the annular dynamic contact, consists of moving, fixed contact is that the front and back correspondence arranges structure.Other structure is identical with second embodiment.
Claims (10)
1. one kind without excitation bar-type tapping switch, comprise insulating bar and support, install the operation positioner on the described support, the tooth bar movable stand is set on the described insulating bar, the tooth bar of tooth bar movable stand is meshed with the driven wheel of operation positioner, longitudinally the interval is installed on the column fixed contact on insulating bar, connect moving contact rack on the described tooth bar movable stand, install the fixed contact phase configuration on moving contact component and the insulating bar on the moving contact rack, it is characterized in that described moving contact component is formed by the configuration of annular dynamic contact and bullet pin, described annular dynamic contact is connected across between the two adjacent column fixed contacts.
2. according to claim 1 without excitation bar-type tapping switch, it is characterized in that described bullet pin is installed in the annular dynamic contact, make annular dynamic contact and column fixed contact close contact by the radical elasticity effect to the ring inner ring, described bullet pin is formed by sliding pin and return spring configuration.
3. according to claim 1 without excitation bar-type tapping switch, it is characterized in that described bullet pin is installed in outside the annular dynamic contact, make annular dynamic contact and column fixed contact close contact by the radical elasticity effect to the ring outer ring, described bullet pin is formed by sliding pin and return spring configuration.
4. according to claim 2 or 3 described without excitation bar-type tapping switch, it is characterized in that the slide opening phase configuration of described sliding pin back segment and moving contact rack, sliding pin front end and annular dynamic contact phase configuration, described return spring is sleeved on outside the sliding pin.
5. according to claim 2 or 3 described without excitation bar-type tapping switch, it is characterized in that described moving contact rack is provided with the cantilever of downward bending, the lower end slippage configuration of chute and insulating bar is offered in the cantilever inboard.
6. according to claim 2 or 3 described without excitation bar-type tapping switch, it is characterized in that described column fixed contact is cylindric or flat column.
7. according to claim 2 or 3 described without excitation bar-type tapping switch, it is characterized in that the described column fixed contact of installing along insulating bar longitudinal separation is vertical bar shaped, cross insulating bar, described annular dynamic contact is installed in the top of column fixed contact, and dynamic and static contact is that correspondence arranges structure up and down.
8. according to claim 2 or 3 described without excitation bar-type tapping switch, it is characterized in that the described column fixed contact of installing along insulating bar longitudinal separation is bent, end bending upwards after crossing insulating bar, described annular dynamic contact is installed in the bending of column fixed contact to the outside of upper end, and dynamic and static contact is that the front and back correspondence arranges structure.
9. according to claim 2 or 3 described without excitation bar-type tapping switch, the other end that it is characterized in that described column fixed contact is the wiring styletable.
10. according to claim 2 or 3 described without excitation bar-type tapping switch, it is characterized in that described column fixed contact is provided with 1 ~ 3 group, moving contact component of every group of corresponding configuration of column fixed contact consists of 1 ~ 3 component connection mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411918 CN202796490U (en) | 2012-08-20 | 2012-08-20 | Non-excitation bar shaped tap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411918 CN202796490U (en) | 2012-08-20 | 2012-08-20 | Non-excitation bar shaped tap switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796490U true CN202796490U (en) | 2013-03-13 |
Family
ID=47823700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411918 Expired - Fee Related CN202796490U (en) | 2012-08-20 | 2012-08-20 | Non-excitation bar shaped tap switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789911A (en) * | 2012-08-20 | 2012-11-21 | 武汉泰普变压器开关有限公司 | Excitation-free strip-type tapping switch |
| CN108257813A (en) * | 2017-12-30 | 2018-07-06 | 山东泰开高压开关有限公司 | A kind of transmission device of self earthing switch divide-shut brake |
-
2012
- 2012-08-20 CN CN 201220411918 patent/CN202796490U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789911A (en) * | 2012-08-20 | 2012-11-21 | 武汉泰普变压器开关有限公司 | Excitation-free strip-type tapping switch |
| CN102789911B (en) * | 2012-08-20 | 2015-07-29 | 武汉泰普变压器开关有限公司 | Without excitation bar-type tapping switch |
| CN108257813A (en) * | 2017-12-30 | 2018-07-06 | 山东泰开高压开关有限公司 | A kind of transmission device of self earthing switch divide-shut brake |
| CN108257813B (en) * | 2017-12-30 | 2024-04-19 | 山东泰开高压开关有限公司 | Transmission device for switching on and off of independent grounding switch |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20180820 |