CN212965069U - Protective casing of current voltmeter - Google Patents
Protective casing of current voltmeter Download PDFInfo
- Publication number
- CN212965069U CN212965069U CN202021825670.4U CN202021825670U CN212965069U CN 212965069 U CN212965069 U CN 212965069U CN 202021825670 U CN202021825670 U CN 202021825670U CN 212965069 U CN212965069 U CN 212965069U
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- China
- Prior art keywords
- gear
- fixedly connected
- current
- connecting rod
- rod
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- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses a protective housing of current-voltage meter, which comprises a housin, the left side fixedly connected with fixed block of casing inner chamber, the inside swing joint of fixed block has the dead lever, the rear end of dead lever runs through to the outside of casing, the first gear of fixed surface of dead lever, the top meshing of first gear has the second gear, and the surface of second gear is through the inner wall swing joint of round pin axle with the fixed block, the top of first gear and the first connecting rod of the equal fixedly connected with in bottom of second gear. The utility model discloses in, through fixed block, dead lever, first gear, second gear, first connecting rod, second connecting rod, clamp splice and third connecting rod, can fix the current-voltage meter, through the apron, be convenient for put into the casing with the current-voltage surface in, through the filter screen, can prevent dust in to the casing, protective housing can protect the current-voltage meter, avoids making the current-voltage meter break down because the collision, is favorable to people's use.
Description
Technical Field
The utility model relates to a voltmeter field especially relates to a protective housing of current-voltage meter.
Background
The voltmeter is a large resistor, is ideally considered to be an open circuit, the voltmeter (connected with other electrical appliances in parallel) and the electrical appliances are connected in parallel in the parallel circuit, and if no other electrical appliances are arranged in the main circuit, the power supply voltage can be considered to be measured (because all the electrical appliances on the parallel circuit share the voltage of the power supply); if other electrical appliances are connected in the trunk line, the electrical appliances share partial power supply voltage, only partial voltage (which electrical appliance is connected with the voltage of which electrical appliance is connected with the current voltmeter) can be measured by the voltmeter, and the current voltmeter can be used for measuring current and voltage and is generally matched with different devices for use.
However, most of the current voltmeters used at present are directly fixed on machines through screws, no protective measures are provided, and when the machines are used, faults are easy to occur due to collision, so that the use of the current voltmeters is influenced. Accordingly, one skilled in the art provides a protective housing for a current-voltage meter to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a protecting sheathing of current-voltage meter has the advantage that protecting sheathing can protect current-voltage meter.
The technical scheme of the utility model is that: a protective shell of a current voltmeter comprises a shell, wherein a fixed block is fixedly connected to the left side of an inner cavity of the shell, a fixed rod is movably connected to the inside of the fixed block, the rear end of the fixed rod penetrates through the outside of the shell, a first gear is fixedly connected to the surface of the fixed rod, a second gear is meshed with the top of the first gear, the surface of the second gear is movably connected with the inner wall of the fixed block through a pin shaft, a first connecting rod is fixedly connected to the top of the first gear and the bottom of the second gear, a second connecting rod is movably connected to the surface of the first connecting rod through a pin shaft, a clamping block is movably connected to the right end of the second connecting rod, a third connecting rod is movably connected to the inside of the clamping block through a pin shaft, the left end of the third connecting rod is movably connected with the fixed block through a pin shaft, and a cover plate, the inner wall of the shell is fixedly connected with a filter screen.
In a further technical scheme, the right side fixedly connected with motor at casing inner chamber top, the bottom fixedly connected with screw rod of motor shaft, the bottom swing joint of bearing and casing inner chamber is passed through to the bottom of screw rod, the surperficial threaded connection of screw rod has the movable block, the left side fixedly connected with bracing piece of movable block, the left end fixedly connected with brush of bracing piece, the left side of brush and the right side contact of filter screen, the through-hole has been seted up to the bottom of casing, the bottom fixedly connected with supporting shoe of casing, the inside swing joint of supporting shoe has the collection box.
In a further technical scheme, the surface of the clamping block is fixedly connected with a non-slip mat, and the non-slip mat is made of rubber.
In a further technical scheme, a perspective window is fixedly connected to the back face of the cover plate, and the perspective window is rectangular.
In a further technical scheme, the rear end fixedly connected with handle of dead lever, the inside swing joint of handle has the inserted bar, the front end of inserted bar extends to the inside of casing.
In a further technical scheme, the inside swing joint of movable block has the guide arm, the top and the bottom of guide arm all run through to the outside of movable block and the inner wall fixed connection of casing.
The utility model has the advantages that:
1. the utility model discloses in, through fixed block, dead lever, first gear, second gear, first connecting rod, second connecting rod, clamp splice and third connecting rod, can fix the current-voltage meter, through the apron, be convenient for put into the casing with the current-voltage surface in, through the filter screen, can prevent dust in to the casing, protective housing can protect the current-voltage meter, avoids making the current-voltage meter break down because the collision, is favorable to people's use.
2. The utility model discloses in, through-hole, supporting shoe and collection box, be convenient for collect the dust, through the slipmat, it is more stable to make clamp splice and current voltmeter be connected, through perspective window, is convenient for observe the table number of current voltmeter in the casing, through handle and inserted bar, is convenient for fix the dead lever, through motor, screw rod and movable block, can make the movable block reciprocate, through bracing piece and brush, can clear up the filter screen surface, through the guide arm, it is more stable to make the movable block reciprocate.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a structural rear view of an embodiment of the present invention;
fig. 3 is a right side view of the structure of the embodiment of the present invention.
Description of reference numerals:
1. a housing; 2. a fixed block; 3. fixing the rod; 4. a handle; 5. a first gear; 6. a second gear; 7. a first link; 8. a second link; 9. a clamping block; 10. a third link; 11. a cover plate; 12. filtering with a screen; 13. a motor; 14. a screw; 15. a movable block; 16. a support bar; 17. a brush; 18. a through hole; 19. a support block; 20. a collection box; 21. a guide bar; 22. a perspective window; 23. inserting a rod; 24. a non-slip mat.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example (b):
as shown in fig. 1-3, a protective casing of a current voltmeter comprises a casing 1, a fixed block 2 is fixedly connected to the left side of an inner cavity of the casing 1, a fixed rod 3 is movably connected to the inside of the fixed block 2, the rear end of the fixed rod 3 penetrates the outside of the casing 1, a first gear 5 is fixedly connected to the surface of the fixed rod 3, a second gear 6 is engaged with the top of the first gear 5, the surface of the second gear 6 is movably connected to the inner wall of the fixed block 2 through a pin shaft, a first connecting rod 7 is fixedly connected to the top of the first gear 5 and the bottom of the second gear 6, a second connecting rod 8 is movably connected to the surface of the first connecting rod 7 through a pin shaft, a clamping block 9 is movably connected to the right end of the second connecting rod 8, a third connecting rod 10 is movably connected to the inside of the clamping block 9 through a pin shaft, the left end of the third connecting rod 10 is movably connected to the fixed block 2, the inner wall of the shell 1 is fixedly connected with a filter screen 12.
The working principle of the embodiment is as follows: open apron 11, put into casing 1 with the current voltmeter, the dead lever 3 rotates, dead lever 3 drives first gear 5 and rotates, first gear 5 drives second gear 6 and rotates, second gear 6 drives first connecting rod 7 and rotates, first connecting rod 7 drives second connecting rod 8 and rotates, under the cooperation of third connecting rod 10, clamp splice 9 carries out the centre gripping to the current voltmeter of putting into casing 1 and fixes, then closes apron 11, filter screen 12 filters the gas that gets into in casing 1.
Through fixed block 2, dead lever 3, first gear 5, second gear 6, first connecting rod 7, second connecting rod 8, clamp splice 9 and third connecting rod 10, can fix the current-voltage meter, through apron 11, be convenient for put into casing 1 with the current-voltage surface in, through filter screen 12, can prevent dust in casing 1, and protective housing can protect the current-voltage meter, avoids making the current-voltage meter break down because the collision, is favorable to people's use.
In another embodiment, a motor 13 is fixedly connected to the right side of the top of the inner cavity of the casing 1, a screw 14 is fixedly connected to the bottom of the rotating shaft of the motor 13, the bottom of the screw 14 is movably connected to the bottom of the inner cavity of the casing 1 through a bearing, a movable block 15 is connected to the surface of the screw 14 through threads, a supporting rod 16 is fixedly connected to the left side of the movable block 15, a brush 17 is fixedly connected to the left end of the supporting rod 16, the left side of the brush 17 contacts with the right side of the filter screen 12, a through hole 18 is formed in the bottom of the casing 1, a supporting block 19 is fixedly connected to the bottom.
Through motor 13, screw rod 14 and movable block 15, can make movable block 15 reciprocate, through bracing piece 16 and brush 17, can clear up filter screen 12 surface, through-hole 18, supporting shoe 19 and collection box 20, be convenient for collect the dust.
In another embodiment, a non-slip pad 24 is fixedly connected to the surface of the clamping block 9, and the non-slip pad 24 is made of rubber.
When two clamp splice 9 remove, clamp splice 9 drives slipmat 24 and removes, and slipmat 24 can improve connection stability with the surface contact of current voltmeter, and the slipmat 24 that the rubber was made simultaneously can protect the current voltmeter.
The clamping block 9 is connected with the current voltmeter more stably through the anti-slip pad 24.
In another embodiment, a transparent window 22 is fixedly connected to the back surface of the cover plate 11, and the transparent window 22 is rectangular.
After the current-voltage meter is placed in the housing 1 and the cover plate 11 is closed, the user can observe the number of meters displayed on the current-voltage meter in the housing 1 through the transparent window 22.
Through the see-through window 22 it is convenient to observe the number of current meters in the housing 1.
In another embodiment, the handle 4 is fixedly connected to the rear end of the fixing rod 3, the insertion rod 23 is movably connected to the inside of the handle 4, and the front end of the insertion rod 23 extends to the inside of the housing 1.
The user holds handle 4, rotates handle 4, and handle 4 can drive dead lever 3 and rotate, and when clamp splice 9 fixed the back to the current voltmeter, the dead lever 3 stops rotating, puts into handle 4 and casing 1 with inserted bar 23 in, fixes dead lever 3.
The fixing rod 3 is fixed conveniently through the handle 4 and the inserted rod 23.
In another embodiment, the inside of the movable block 15 is movably connected with a guide rod 21, and the top end and the bottom end of the guide rod 21 penetrate through the outside of the movable block 15 and are fixedly connected with the inner wall of the housing 1.
When the screw 14 drives the movable block 15 to move up and down, the guide rod 21 can only move the movable block 15 up and down, and the movable block 15 cannot rotate along with the screw 14, so that the left side of the brush 17 is always in contact with the filter screen 12.
The guide rod 21 makes the movable block 15 move up and down more stably.
The working principle of the embodiment is as follows: open apron 11, put into casing 1 with the current voltmeter, the dead lever 3 rotates, dead lever 3 drives first gear 5 and rotates, first gear 5 drives second gear 6 and rotates, second gear 6 drives first connecting rod 7 and rotates, first connecting rod 7 drives second connecting rod 8 and rotates, under the cooperation of third connecting rod 10, clamp splice 9 carries out the centre gripping to the current voltmeter of putting into casing 1 and fixes, then closes apron 11, filter screen 12 filters the gas that gets into in casing 1.
The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. A protective shell of a current voltmeter comprises a shell body and is characterized in that a fixed block is fixedly connected to the left side of an inner cavity of the shell body, a fixed rod is movably connected to the inside of the fixed block, the rear end of the fixed rod penetrates through the outside of the shell body, a first gear is fixedly connected to the surface of the fixed rod, a second gear is meshed with the top of the first gear, the surface of the second gear is movably connected with the inner wall of the fixed block through a pin shaft, a first connecting rod is fixedly connected to the top of the first gear and the bottom of the second gear, a second connecting rod is movably connected to the surface of the first connecting rod through a pin shaft, a clamping block is movably connected to the right end of the second connecting rod, a third connecting rod is movably connected to the inside of the clamping block through a pin shaft, the left end of the third connecting rod is movably connected with the fixed block through a pin shaft, and a, the inner wall of the shell is fixedly connected with a filter screen.
2. The protective casing of the current-voltage meter as claimed in claim 1, wherein a motor is fixedly connected to the right side of the top of the inner cavity of the housing, a screw is fixedly connected to the bottom end of the rotating shaft of the motor, the bottom end of the screw is movably connected to the bottom of the inner cavity of the housing through a bearing, a movable block is connected to the surface of the screw in a threaded manner, a support rod is fixedly connected to the left side of the movable block, a brush is fixedly connected to the left end of the support rod, the left side of the brush is in contact with the right side of the filter screen, a through hole is formed in the bottom of the housing, a support block is fixedly connected to the bottom of the housing.
3. The protective casing of the voltmeter according to claim 1, wherein a non-slip mat is fixedly connected to a surface of the clamping block, and the non-slip mat is made of rubber.
4. The protective case of the current-voltage meter as claimed in claim 1, wherein a transparent window is fixedly connected to the back surface of the cover plate, and the transparent window is rectangular.
5. The protective casing of the current-voltage meter as claimed in claim 1, wherein a handle is fixedly connected to the rear end of the fixing rod, an insertion rod is movably connected to the inside of the handle, and the front end of the insertion rod extends to the inside of the casing.
6. The protective casing of the current-voltage meter as claimed in claim 2, wherein the inside of the movable block is movably connected with a guide rod, and the top end and the bottom of the guide rod penetrate through the outside of the movable block and are fixedly connected with the inner wall of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021825670.4U CN212965069U (en) | 2020-08-27 | 2020-08-27 | Protective casing of current voltmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021825670.4U CN212965069U (en) | 2020-08-27 | 2020-08-27 | Protective casing of current voltmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212965069U true CN212965069U (en) | 2021-04-13 |
Family
ID=75361061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021825670.4U Expired - Fee Related CN212965069U (en) | 2020-08-27 | 2020-08-27 | Protective casing of current voltmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212965069U (en) |
-
2020
- 2020-08-27 CN CN202021825670.4U patent/CN212965069U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |