CN209822540U - Electric grounding switch - Google Patents
Electric grounding switch Download PDFInfo
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- CN209822540U CN209822540U CN201921023957.2U CN201921023957U CN209822540U CN 209822540 U CN209822540 U CN 209822540U CN 201921023957 U CN201921023957 U CN 201921023957U CN 209822540 U CN209822540 U CN 209822540U
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Abstract
The utility model discloses an electric grounding switch, which has the key points of the technical proposal that the electric grounding switch comprises a switch body, the switch body comprises a switch base, a main shaft, an insulator, a static contact, a moving contact, a crank arm and a spring rod, a motor with a clutch is arranged in the switch base, a transmission structure is arranged on the motor with the clutch, a first transmission gear matched with a motor rotating shaft with the clutch is arranged in the transmission structure, a second transmission gear which is mutually meshed and connected with the first transmission gear is sleeved on the main shaft, two sides of the main shaft are connected with the switch base through a connecting frame assembly, one end of the main shaft is sleeved with a brake-separating action signal source matched with the main shaft, the main shaft is inserted and arranged at the lower part of the crank arm, and the main shaft is sleeved with a limiting structure positioned on two sides of the connecting lever, and the lower part of the connecting lever is hinged with one end of the spring rod through a limiting rod. The utility model has the effects of simple structure, high production efficiency, convenient operation and safety and reliability.
Description
Technical Field
The utility model relates to an earthing switch technical field, concretely relates to electronic earthing switch.
Background
The switch cabinet is used for connecting, disconnecting and protecting a power supply line, and is matched with relay protection to realize fault line removal. The switch cabinet is usually equipped with a grounding knife switch, and the grounding switch must be closed when the power supply line or equipment has a fault and normal maintenance is carried out, so that the life safety is protected. In the power supply line, the grounding switch is considered to be safe only after being closed. With the rapid development of the power-on and switchgear manufacturing industry in China, the happy-installed removable alternating-current metal-enclosed switchgear is widely applied, and meanwhile, people put forward higher and more comprehensive requirements on the quality and safety performance of the switchgear. At present, an electric grounding switch of a switch cabinet on the market gradually adopts a grade from the earliest manual switch-on to a state that the manual switch-on and the electric switch-off can be switched mutually, the switch-on is convenient, and the safety quality is qualitatively leaped.
However, the existing electric grounding switch has a complex structure, such as a motor and a clutch in a case are independently arranged, so that the production efficiency of a product is reduced by the electric grounding switch in a complex manner during assembly, and meanwhile, the condition that the electric grounding switch cannot move or moves too far easily occurs in the action process. It is therefore desirable to improve upon existing electrical grounding switches.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an electronic earthing switch has simple structure, production efficiency height, convenient operation and safe and reliable's effect.
In order to achieve the above purpose, the utility model provides a following technical scheme: an electric grounding switch comprises a switch body, wherein the switch body comprises a switch base, a main shaft, an insulator, a static contact, a moving contact, a crank arm and a spring rod, a motor with a clutch is arranged in the switch base, a transmission structure is arranged on the motor with the clutch, a first transmission gear matched with a motor rotating shaft with the clutch is arranged in the transmission structure, a second transmission gear which is mutually meshed and connected with the first transmission gear is sleeved on the main shaft, two sides of the main shaft are connected with the switch base through a connecting frame assembly, one end of the main shaft is sleeved with a brake-separating action signal source matched with the main shaft, the main shaft is inserted and arranged at the lower part of the crank arm, and the main shaft is sleeved with limiting structures positioned on two sides of the connecting lever, the lower part of the connecting lever is hinged with one end of the spring rod through a limiting rod, and the limiting rod is matched with the limiting structures.
Through adopting above-mentioned technical scheme, the motor of taking the clutch need not to install the clutch in addition from having the clutch for electronic earthing switch's structure is more simple, and it is convenient to assemble, improves production efficiency, and gag lever post and limit structure mutually support simultaneously and prevent that the moving contact action that the connecting lever drove in the electronic earthing switch from not in place or move the dislocation, improve electronic earthing switch's control precision, safe and reliable.
The utility model discloses further set up to: the connecting frame component comprises two supporting legs which are bilaterally symmetrical, the two supporting legs are fixedly connected with each other through a first pin shaft and a second pin shaft, the limiting structure is arranged between the two supporting legs, and shaft sleeves matched with the main shaft are arranged on the supporting legs.
Through adopting above-mentioned technical scheme, the supporting legs axle sleeve is convenient for the main shaft and rotates on the supporting legs.
The utility model discloses further set up to: the upper side and the lower side of the limiting structure are provided with limiting hooks integrated with the limiting structure, the limiting hooks are matched with the limiting rod, and the lower end of the limiting structure is provided with a fixing protrusion clamped with the first pin shaft.
Through adopting above-mentioned technical scheme, spacing trip and gag lever post are mutually supported, prevent that the turning arm action is not in place or the action is foreign, improve electronic earthing switch's precision, safe and reliable.
The utility model discloses further set up to: the other end of the spring rod is fixedly connected with the second pin shaft, and an energy storage spring is further sleeved on the spring rod.
Through adopting above-mentioned technical scheme, the energy storage spring moves that resets after the action of crank arm.
The utility model discloses further set up to: the lower end of the crank arm is also provided with two limiting bulges integrated with the crank arm, and the limiting bulges are matched with the first pin shaft.
Through adopting above-mentioned technical scheme, spacing arch and first round pin axle are mutually supported, prevent that the connecting lever from moving not to the position or moving the position, improve electronic earthing switch's control precision, safe and reliable.
The utility model discloses further set up to: the switch base comprises a base bent plate, a base sealing plate and a base supporting plate which are fixedly connected, a motor fixing seat fixedly connected with the base bent plate is arranged on the base bent plate, and the motor fixing seat is fixedly connected with a motor with a clutch.
Through adopting above-mentioned technical scheme, the motor fixing base is convenient for take the motor of clutch to install fixedly.
The utility model discloses further set up to: the base bent plate is provided with a U-shaped notch matched with the lower end of the crank arm, and the base bent plate is also provided with a transmission notch matched with the transmission structure.
Through adopting above-mentioned technical scheme, the U-shaped notch is convenient for the turning arm lower extreme and is rotated, and the motor of the clutch of being convenient for of transmission breach is installed fixedly.
To sum up, the utility model discloses following beneficial effect has:
1. the motor with the clutch is arranged, the clutch does not need to be additionally installed, so that the structure of the electric grounding switch is simpler, the assembly is convenient and fast, the production efficiency is improved, meanwhile, the limiting rod is arranged to be matched with the limiting structure, the moving contact driven by a crank arm in the electric grounding switch is prevented from moving in place or over-position, the control accuracy of the electric grounding switch is improved, and the electric grounding switch is safe and reliable;
2. the limit clamping hook is matched with the limit rod, so that the crank arm is prevented from moving in place or abroad, the precision of the electric grounding switch is improved, and the electric grounding switch is safe and reliable; through setting up spacing arch and mutually supporting with first round pin axle, prevent that the connecting lever from moving not to the position or moving the position, improve electronic earthing switch's control precision, safe and reliable.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.
Fig. 4 is a schematic cross-sectional view taken along line B-B in fig. 2.
Reference numerals: 1. a main shaft; 2. an insulator; 3. static contact; 4. a moving contact; 5. a crank arm; 6. a spring lever; 7. a motor with a clutch; 8. a transmission structure; 9. a first drive gear; 10. a second transmission gear; 11. a brake-off action signal source; 12. a limiting structure; 13. a limiting rod; 14. supporting legs; 15. a first pin shaft; 16. a second pin shaft; 17. a shaft sleeve; 18. a limiting clamping hook; 19. a fixed protrusion; 20. an energy storage spring; 21. a limiting bulge; 22. a base bent plate; 23. a base seal plate; 24. a base support plate; 25. a motor fixing seat; 26. a U-shaped notch; 27. a transmission notch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses an electric grounding switch, as shown in fig. 1 to 4, which comprises a switch body, wherein the switch body comprises a switch base, a main shaft 1, an insulator 2, a static contact 3, a moving contact 4, a crank arm 5 and a spring rod 6, a motor 7 with a clutch is arranged in the switch base, a transmission structure 8 is arranged on the motor 7 with the clutch, a first transmission gear 9 matched with a rotating shaft of the motor 7 with the clutch is arranged in the transmission structure 8, a second transmission gear 10 which is mutually meshed and connected with the first transmission gear 9 is sleeved on the main shaft 1, two sides of the main shaft 1 are connected with the switch base by arranging a connecting frame component, one end of the main shaft 1 is sleeved with a brake separating action signal source 11 matched with the main shaft 1, the main shaft 1 is arranged at the lower part of the crank arm 5 in an inserting way, a limiting structure 12 which is arranged at two sides of the crank arm 5 is sleeved on the main shaft 1, the lower part of the crank, the limiting rod 13 is matched with the limiting structure 12; the motor 7 of taking the clutch need not to install the clutch in addition from having the clutch for electronic earthing switch's structure is more simple, and the assembly is convenient, improves production efficiency, and gag lever post 13 prevents simultaneously that moving contact 4 that connecting lever 5 drove in the electronic earthing switch from moving not in place or moving the dislocation with limit structure 12 mutually supports, improves electronic earthing switch's control precision, safe and reliable.
The connecting frame component comprises two supporting legs 14 which are bilaterally symmetrical, the two supporting legs 14 are fixedly connected with each other through a first pin shaft 15 and a second pin shaft 16, the limiting structure 12 is arranged between the two supporting legs 14, and shaft sleeves 17 matched with the main shaft 1 are arranged on the supporting legs 14; the bushing 17 of the support foot 14 facilitates the rotation of the spindle 1 on the support foot 14.
The upper side and the lower side of the limiting structure 12 are provided with limiting hooks 18 integrated with the limiting structure, the limiting hooks 18 are matched with the limiting rod 13, and the lower end of the limiting structure 12 is provided with a fixing bulge 19 clamped with the first pin shaft 15; the limiting clamping hook 18 is matched with the limiting rod 13, so that the crank arm 5 is prevented from moving in place or abroad, the accuracy of the electric grounding switch is improved, and the grounding switch is safe and reliable.
The other end of the spring rod 6 is fixedly connected with the second pin shaft 16, and an energy storage spring 20 is further sleeved on the spring rod 6; the charging spring 20 performs a return operation after the crank arm 5 operates.
The lower end of the crank arm 5 is also provided with two limiting bulges 21 integrated with the crank arm, and the limiting bulges 21 are matched with the first pin shaft 15; spacing arch 21 and first round pin axle 15 mutually support, prevent that crank arm 5 from moving too little bit or moving the bit, improve electronic earthing switch's control precision, safe and reliable.
The switch base comprises a base bent plate 22, a base sealing plate 23 and a base support plate 24 which are fixedly connected, a motor fixing seat 25 fixedly connected with the base bent plate 22 is arranged on the base bent plate 22, and the motor fixing seat 25 is fixedly connected with the motor 7 with the clutch; the motor fixing seat 25 facilitates the installation and fixation of the motor 7 with the clutch.
The base bent plate 22 is provided with a U-shaped notch 26 matched with the lower end of the crank arm 5, and the base bent plate 22 is also provided with a transmission notch 27 matched with the transmission structure 8; the U-shaped notch 26 is convenient for the lower end of the crank arm 5 to rotate, and the transmission notch 27 is convenient for the motor 7 with the clutch to be installed and fixed.
The working process is as follows:
the motor 7 with the clutch starts to work, the rotating shaft of the motor 7 with the clutch rotates to drive the first transmission gear 9 to rotate, the first transmission gear 9 drives the second transmission gear 10 to rotate, the main shaft 1 is further driven to rotate, the movable contact 4 is driven to rotate through the crank arm 5 in the rotating process of the main shaft 1, and the movable contact 4 and the static contact 3 are matched with each other to achieve switching on and off.
To sum up, the utility model discloses following beneficial effect has:
1. the motor 7 with the clutch is arranged, the clutch does not need to be additionally installed, so that the structure of the electric grounding switch is simpler, the assembly is convenient and fast, the production efficiency is improved, meanwhile, the limiting rod 13 and the limiting structure 12 are arranged to be matched with each other, the moving contact 4 driven by the crank arm 5 in the electric grounding switch is prevented from moving in place or moving over, the control accuracy of the electric grounding switch is improved, and the electric grounding switch is safe and reliable;
2. the limit clamping hook 18 is matched with the limit rod 13, so that the crank arm 5 is prevented from moving in place or moving abroad, the accuracy of the electric grounding switch is improved, and the electric grounding switch is safe and reliable; through setting up spacing arch 21 and mutually supporting with first round pin axle 15, prevent that crank arm 5 from moving not to the position or moving the position, improve electronic earthing switch's control precision, safe and reliable.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides an electronic earthing switch, including the switch body, the switch body is including switch base, main shaft (1), insulator (2), static contact (3), moving contact (4), turning arm (5) and spring beam (6), its characterized in that: a motor (7) with a clutch is arranged in the switch base, a transmission structure (8) is arranged on the motor (7) with the clutch, a first transmission gear (9) matched with a rotating shaft of the motor (7) with the clutch is arranged in the transmission structure (8), a second transmission gear (10) which is mutually meshed and connected with the first transmission gear (9) is sleeved on the main shaft (1), two sides of the main shaft (1) are connected with the switch base through a connecting frame component, a brake separating action signal source (11) matched with the main shaft (1) is sleeved at one end of the main shaft (1), the main shaft (1) is inserted and arranged at the lower part of the crank arm (5), and the main shaft (1) is sleeved with limiting structures (12) positioned on two sides of the crank arm (5), the lower part of the crank arm (5) is hinged with one end of the spring rod (6) through a limiting rod (13), and the limiting rod (13) is matched with the limiting structures (12).
2. An electric earthing switch according to claim 1, characterized in that: the connecting frame component comprises two supporting legs (14) which are bilaterally symmetrical, the two supporting legs (14) are fixedly connected with each other through a first pin shaft (15) and a second pin shaft (16), a limiting structure (12) is arranged between the two supporting legs (14), and a shaft sleeve (17) matched with the spindle (1) is arranged on each supporting leg (14).
3. An electric earthing switch according to claim 2, characterized in that: the upper side and the lower side of the limiting structure (12) are provided with limiting clamping hooks (18) integrated with the limiting structure, the limiting clamping hooks (18) are matched with the limiting rod (13), and fixing protrusions (19) clamped with the first pin shafts (15) are arranged at the lower end of the limiting structure (12).
4. An electric earthing switch according to claim 2, characterized in that: the other end of the spring rod (6) is fixedly connected with the second pin shaft (16), and an energy storage spring (20) is further sleeved on the spring rod (6).
5. An electric earthing switch according to claim 2, characterized in that: the lower end of the crank arm (5) is also provided with two limiting bulges (21) integrated with the crank arm, and the limiting bulges (21) are matched with the first pin shaft (15).
6. An electric earthing switch according to claim 1, characterized in that: the switch base comprises a base bent plate (22), a base sealing plate (23) and a base supporting plate (24) which are fixedly connected, a motor fixing seat (25) fixedly connected with the base bent plate (22) is arranged on the base bent plate (22), and the motor fixing seat (25) is fixedly connected with a motor (7) with a clutch.
7. An electric earthing switch according to claim 6, characterized in that: the base bent plate (22) is provided with a U-shaped notch (26) matched with the lower end of the crank arm (5), and the base bent plate (22) is also provided with a transmission notch (27) matched with the transmission structure (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023957.2U CN209822540U (en) | 2019-07-03 | 2019-07-03 | Electric grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023957.2U CN209822540U (en) | 2019-07-03 | 2019-07-03 | Electric grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822540U true CN209822540U (en) | 2019-12-20 |
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ID=68885108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921023957.2U Active CN209822540U (en) | 2019-07-03 | 2019-07-03 | Electric grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209822540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10693284B2 (en) * | 2017-08-09 | 2020-06-23 | Seth Benson | Grounding switch for use in metal-clad switchgear |
-
2019
- 2019-07-03 CN CN201921023957.2U patent/CN209822540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10693284B2 (en) * | 2017-08-09 | 2020-06-23 | Seth Benson | Grounding switch for use in metal-clad switchgear |
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