CN217641090U - Switch of direct current device - Google Patents
Switch of direct current device Download PDFInfo
- Publication number
- CN217641090U CN217641090U CN202221225349.1U CN202221225349U CN217641090U CN 217641090 U CN217641090 U CN 217641090U CN 202221225349 U CN202221225349 U CN 202221225349U CN 217641090 U CN217641090 U CN 217641090U
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- strip
- sleeve
- connecting rod
- dust screen
- plug
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Abstract
The utility model belongs to the technical field of electric power, and a DC device switch is disclosed, including drawing together fixed plate, switch body, activity plug-in strip, dust screen and stop gear, the top fixed mounting of fixed plate has the switch body, and there is the sleeve at both ends difference movable mounting around the fixed plate top, and both ends are located telescopic inboard movable mounting around the fixed plate top and have the connecting rod, and the inside upper end movable mounting of sleeve has the transfer line. The utility model discloses a be provided with the connecting rod, the sleeve has reached the purpose of stable contact with the spring etc., when needs circular telegram, will promote movable plug-in strip, movable plug-in strip removes to the left side and will drive the dust screen, will fix movable plug-in strip simultaneously, make more stable of movable plug-in strip contact, make it reach the effect of stable contact, make the dust screen follow the surface that movable plug-in strip covered to the switch body, the effectual inside that prevents the dust entering switch body, make it reach the dustproof effect of plug-in strip.
Description
Technical Field
The utility model belongs to the technical field of electric power, specifically a direct current device switch.
Background
The direct current device switch used in the transformer substation needs to be switched on and off at regular time due to the working requirement, but the existing direct current device switch has the following problems in daily use:
1. the existing direct current device switch is used for switching on and off in daily life, the switch is easy to be out of place, the existing direct current device switch is used for electrifying a switch, and the switch is unstable in fixation or is not in place in pushing and pulling during switch pushing so that poor contact causes power failure and the switch cannot be used.
2. The switch of the existing direct current device is in an exposed state for a long time, dust enters the inside of the knife switch through a gap indicated by the knife switch, the service life of the knife switch can be shortened without clearing for a long time, the power-on effect is reduced, and meanwhile, the dust inside the knife switch is difficult to clear.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, the utility model provides a direct current device switch has stable contact, the dirt-proof advantage of plug-in strip.
In order to achieve the above purpose, the utility model provides a following technical scheme: a direct current device switch comprises a fixed plate, a switch body and a movable knife switch, and is characterized in that: still include dust screen and stop gear, the dust screen is the ripple form that can stretch out and draw back, dust screen one end with the fixed plate is articulated, the other one end of dust screen with the expansion end of activity plug-in strip is connected when the activity plug-in strip closes, the dust screen can cover on the switch body, stop gear includes connecting rod and spacing subassembly, connecting rod one end with the fixed plate is connected, the rectangular channel has been seted up to the lateral wall of activity plug-in strip, the other one end of connecting rod with rectangular channel slip joint, spacing subassembly includes the sleeve, the sleeve with the fixed plate is articulated, and is located the outside of connecting rod, telescopic top activity is pegged graft there is the transfer line, just the top of transfer line with the connecting rod is articulated, be provided with spring and piston in the sleeve, just the spring housing is established on the transfer line, the piston connection is in the bottom of transfer line.
As an optimized technical scheme of the utility model, both sides limit fixed mounting has the guide bar that can stretch out and draw back around the dust screen.
As a preferred technical scheme of the utility model, the middle part movable mounting in the guide bar outside has the telescopic sleeve pipe assembly, the bottom of sleeve pipe assembly with the fixed plate is articulated.
As a preferred technical scheme of the utility model, the thimble assembly includes sleeve pipe and telescopic link, the bottom of thimble assembly articulates just is located the inboard of connecting rod on the fixed plate, the upper end of thimble assembly articulates on the guide bar.
As the utility model discloses a preferred technical scheme, the upper end bearing of transfer line is connected on the connecting rod
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a be provided with the connecting rod, the sleeve has reached the purpose of stabilizing the contact with the spring etc., when needs circular telegram, will promote movable plug-in strip, movable plug-in strip removes to the left side and will drive the dust screen, when movable plug-in strip removes to the top of switch body, the connecting rod will be in vertical state this moment, the transfer line will rebound, the spring of transfer line lower extreme will be compressed, when movable plug-in strip removes to the left end, the inside spring of sleeve this moment will reset and promote movable plug-in strip through the connecting rod and remove to the left end, carry out the atress to movable plug-in strip, will fix movable plug-in strip simultaneously, make movable plug-in strip contact more stable, make it reach the effect of stabilizing the contact.
2. The utility model discloses a be provided with guide rod, sleeve pipe subassembly and dust screen etc. and reached the dirt-proof purpose of plug-in strip, the sleeve pipe subassembly will remove along the arc wall around the activity plug-in strip when the activity plug-in strip removes, is stretched when the sleeve pipe subassembly removes to the left side for the dust screen is followed activity plug-in strip and is covered to the surface of switch body, the effectual inside that prevents the dust entering switch body, makes it reach the dirt-proof effect of plug-in strip.
Drawings
FIG. 1 is a schematic view of the overall appearance of the structure of the present invention;
FIG. 2 is a schematic view of the knife blade of the present invention;
FIG. 3 is a schematic view of the dust screen of the present invention;
FIG. 4 is a schematic view of the structure of the present invention showing the connection rod and the sleeve;
fig. 5 is a schematic cross-sectional view of the sleeve of the present invention.
In the figure: 1. a fixing plate; 2. a switch body; 3. a connecting rod; 4. a sleeve; 5. a movable knife switch; 6. a guide rod; 7. a cannula assembly; 8. a transmission rod; 9. a spring; 10. a piston; 11. and (4) a dust screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the utility model provides a direct current device switch, which comprises a fixing plate 1, switch body 2 and movable switch blade 5, still include dust screen 11 and stop gear, the dust screen can stretch out and draw back, 11 one end of dust screen is articulated with fixed plate 1, the other one end of dust screen 11 is connected with movable switch blade 5's expansion end, when movable switch blade 5 closes a floodgate, dust screen 11 can cover on switch body 2, design like this can cover switch body 2's surface through dust screen 11 and prevent that the dust from carrying out switch body 2's inside through the gap at switch body 2 top, when switching on switch blade, dust screen 11 will follow movable switch blade 5 and cover the surface at switch body 2.
Stop gear includes connecting rod 3 and spacing subassembly, and 3 one ends of connecting rod are connected with fixed plate 1, and the rectangular channel has been seted up to the lateral wall of activity plug-in strip 5, and connecting rod 3 will follow when promoting activity plug-in strip 5 and rotate, and when activity plug-in strip 5 removed to the left end, connecting rod 3 will slide in the rectangular channel, carries on spacingly to connecting rod 3 through the rectangular channel around the activity plug-in strip 5.
The other one end and the rectangular channel slip joint of connecting rod 3, spacing subassembly include sleeve 4, and sleeve 4 is articulated with fixed plate 1 to be located the outside of connecting rod 3, the top activity of sleeve 4 is pegged graft and is had transfer line 8, and the top of transfer line 8 is articulated with connecting rod 3, is provided with spring 9 and piston 10 in the sleeve 4, and spring 9 cover establishes on transfer line 8, and piston 10 connects the bottom at transfer line 8.
Produce the holding power through spring 9, the holding power transmits for activity plug-in strip 5 through connecting rod 3, is convenient for fix activity plug-in strip 5, and connecting rod 3 will be located vertical state when promoting activity plug-in strip 5 to the peak, and transfer line 8 will the rebound extrude spring 9 this moment, and spring 9 will reset when activity plug-in strip 5 removes to the left end, will carry out the atress to activity plug-in strip 5 and fix for the more stable of activity plug-in strip 5 contact.
In a preferred embodiment, the dust screen 11 is rotated while pushing the movable blade 5, so that the dust screen 11 is rotated along with the movable blade 5, and the guide rods 6 and the dust screen 11 are simultaneously stretched to cover the surface of the switch body 2.
In a more preferred embodiment, a telescopic sleeve assembly 7 is movably mounted in the middle of the outer side of the guide rod 6, and the bottom end of the sleeve assembly 7 is hinged with the fixing plate 1. Specifically, thimble assembly 7 includes sleeve pipe and telescopic link, and the bottom of thimble assembly 7 articulates on fixed plate 1 and is located the inboard of connecting rod 3, and the upper end of thimble assembly 7 articulates on guide bar 6. Can keep the shape with dust screen 11 and cover in switch body 2's top through thimble assembly 7 like this, dust screen 11 will be followed and rotated when promoting movable plug-in strip 5, and thimble assembly 7 will be followed and rotated simultaneously, when movable plug-in strip 5 promoted to the left end, thimble assembly 7 will be stretched for dust screen 11 can cover switch body 2, and thimble assembly 7 carries on spacingly and the guide to dust screen 11.
The utility model discloses a theory of operation and use flow:
at first when needing the circular telegram, will promote movable plug-in strip 5, movable plug-in strip 5 moves to the left side and will drive dust screen 11, guide bar 6 will be stretched, when movable plug-in strip 5 moved to the top of switch body 2, connecting rod 3 will be in vertical state this moment, transfer line 8 will move upwards, spring 9 of transfer line 8 lower extreme will be compressed, when movable plug-in strip 5 moved to the left end, spring 9 inside sleeve 4 will reset and promote movable plug-in strip 5 through connecting rod 3 and move to the left end this moment, carry out the atress to movable plug-in strip 5, will fix movable plug-in strip 5 simultaneously, make the contact of movable plug-in strip 5 more stable, thimble assembly 7 will move along the arc wall around movable plug-in strip 5 when movable plug-in strip 5 moves, stretched when thimble assembly 7 moves to the left side, make dust screen 11 follow movable plug-in strip 5 and cover to the surface of switch body 2.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A direct current device switch comprises a fixing plate (1), a switch body (2) and a movable knife switch (5), and is characterized in that: still include dust screen (11) and stop gear, the dust screen is the corrugate that can stretch out and draw back, dust screen (11) one end with fixed plate (1) is articulated, the other one end of dust screen (11) with the expansion end of activity plug-in strip (5) is connected when activity plug-in strip (5) closes a floodgate, dust screen (11) can cover on switch body (2), stop gear includes connecting rod (3) and spacing subassembly, connecting rod (3) one end with fixed plate (1) is connected, the rectangular channel has been seted up to the lateral wall of activity plug-in strip (5), the other one end of connecting rod (3) with the sliding clamping of rectangular channel, spacing subassembly includes sleeve (4), sleeve (4) with fixed plate (1) is articulated, and is located the outside of connecting rod (3), the top activity grafting of sleeve (4) has transfer line (8), just the top of transfer line (8) with connecting rod (3) are articulated, be provided with spring (9) and piston (10) in sleeve (4), and the spring (9) is connected the piston cover is established on transfer line (8) the bottom.
2. A dc device switch as defined in claim 1, wherein: and the front side and the rear side of the dustproof net (11) are fixedly provided with telescopic guide rods (6).
3. A dc device switch as defined in claim 2, wherein: the middle part of the outer side of the guide rod (6) is movably provided with a telescopic sleeve assembly (7), and the bottom end of the sleeve assembly (7) is hinged with the fixed plate (1).
4. A dc device switch as defined in claim 3, wherein: the sleeve assembly (7) comprises a sleeve and a telescopic rod, the bottom of the sleeve assembly (7) is hinged to the fixing plate (1) and located on the inner side of the connecting rod (3), and the upper end of the sleeve assembly (7) is hinged to the guide rod (6).
5. A dc device switch as defined in claim 1, wherein: the upper end bearing of the transmission rod (8) is connected to the connecting rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221225349.1U CN217641090U (en) | 2022-05-19 | 2022-05-19 | Switch of direct current device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221225349.1U CN217641090U (en) | 2022-05-19 | 2022-05-19 | Switch of direct current device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217641090U true CN217641090U (en) | 2022-10-21 |
Family
ID=83654014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221225349.1U Active CN217641090U (en) | 2022-05-19 | 2022-05-19 | Switch of direct current device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217641090U (en) |
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2022
- 2022-05-19 CN CN202221225349.1U patent/CN217641090U/en active Active
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