CN219041391U - Three-phase combined overvoltage protector - Google Patents
Three-phase combined overvoltage protector Download PDFInfo
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- CN219041391U CN219041391U CN202223284496.9U CN202223284496U CN219041391U CN 219041391 U CN219041391 U CN 219041391U CN 202223284496 U CN202223284496 U CN 202223284496U CN 219041391 U CN219041391 U CN 219041391U
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Abstract
The utility model discloses a three-phase combined overvoltage protector, which relates to the technical field of overvoltage protectors and comprises a mounting base, wherein the top of the mounting base is connected with an outer shell through a clamping assembly, the top of the mounting base is fixedly connected with a protector base, the top of the protector base is fixedly connected with three protector bodies, the outer shell is connected with the protector bodies through a sealing assembly, the sealing assembly comprises a protective cover, a wire harness tube, an elastic sealing ring and a rubber gasket, and the clamping assembly comprises a fixing plate, a locating rod, a clamping column, a limiting plate and a rigid spring. The three-phase combined overvoltage protector is convenient to mount and dismount by the aid of the clamping assembly and the sealing assembly, is simple in structure and convenient to operate, has a complete sealing effect when being mounted, enables the inside of the outer shell to have a dustproof and rainwater-proof effect, and can prolong the service life of the protector.
Description
Technical Field
The utility model relates to the technical field of overvoltage protectors, in particular to a three-phase combined overvoltage protector.
Background
The overvoltage protector is a relatively advanced protection device, is mainly used for protecting the insulation of electric equipment such as a generator, a transformer, a vacuum switch, a bus, a motor and the like from being damaged by overvoltage, can also play a part of the role of a lightning arrester, but is incomparable in the performance of the traditional lightning arrester. The most main working principle of the overvoltage is to adopt a mode of dividing the voltage of the zinc oxide valve plate by a discharge gap to reduce operation impact, protect residual voltage and realize the protection of the operation overvoltage, and the product is widely applied to industries such as electric power, chemical industry, coal, construction, electrified railway and the like.
The three-phase combined overvoltage protector is a novel overvoltage protector and is mainly used in power grids of power generation, power supply and power utilization enterprises. The device is used for protecting electric equipment such as transformers, switches, buses, motors and the like, can limit the atmospheric overvoltage and the operation overvoltage caused by various switches, and has reliable limiting effect on interphase overvoltage and relative overvoltage, but the annular electrode of the clearance ring at the upper end part of the existing three-phase combined overvoltage protector body can be eccentric after long-time operation and is not easy to detach.
At present, in the market, the installation and the disassembly of the existing overvoltage protector are more troublesome, the operation is inconvenient for personnel, the sealing effect is not achieved, dust and rainwater are easy to enter, the normal use of the protector cannot be guaranteed, and the service life of the protector is shortened, so that the three-phase combined overvoltage protector is necessary to be provided.
Disclosure of Invention
The utility model mainly aims to provide a three-phase combined overvoltage protector, which can effectively solve the problems that the existing overvoltage protector in the background technology is troublesome to install and detach, inconvenient for personnel to simply operate, has no sealing effect, is easy to enter dust and rainwater, cannot guarantee the normal use of the protector and reduces the service life of the protector.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the three-phase combined overvoltage protector comprises a mounting base, wherein the top of the mounting base is connected with an outer shell through a clamping assembly, the top of the mounting base is fixedly connected with a protector base, the top of the protector base is fixedly connected with three protector bodies, and the outer shell is connected with the protector bodies through a sealing assembly;
the sealing assembly comprises a protective cover, a wire-binding tube, an elastic sealing ring and a rubber gasket, wherein the top of the outer shell is embedded with three protective covers, the top of the protector main body is fixedly connected with the wire-binding tube, the elastic sealing ring is fixedly connected between the inner walls of the protective covers, and the rubber gasket is fixedly connected at the joint of the protector main body and the wire-binding tube;
the clamping assembly comprises a fixing plate, a locating rod, clamping columns, limiting plates and rigid springs, wherein the fixing plate is fixedly connected to two sides of the bottom of the outer shell, the locating rod is fixedly connected to the center of the bottom of the fixing plate, locating holes are formed in the centers of two sides of the top of the installation base in a penetrating mode, the clamping columns are movably arranged on two sides of the locating holes, one ends of the clamping columns are fixedly connected with one side of the limiting plates, and the other side of the limiting plates is connected with the inside of the installation base through the rigid springs.
Preferably, the top of the protection cover is in a truncated cone-shaped structure, and three protection covers are distributed on the top of the outer shell in a rectangular array and are positioned on the same vertical plane with the three protector bodies.
Preferably, the center of the top of the protective cover is provided with a penetrating slot, the inner diameter of the penetrating slot is larger than the cross-section diameter of the wire harness tube, the bottom of the protective cover is provided with a groove, the inner diameter of the groove is larger than the cross-section diameter of the protector main body, and the penetrating slot is communicated with the groove.
Preferably, the inner ring of the elastic sealing ring is tightly connected with the outer wall of the protector body, the cross section size of the rubber gasket is larger than the inner diameter of the penetration groove, and the top of the rubber gasket is tightly contacted with the top wall of the groove.
Preferably, the positioning rod and the positioning hole are positioned on the same vertical plane, the diameter of the cross section of the positioning rod is smaller than the inner diameter of the positioning hole, and the length of the positioning rod is equal to the height of the mounting base.
Preferably, the cavity is offered to inside bilateral symmetry in locating hole, the one end activity of card post sets up in the inside of cavity, the one end of card post is round platform column structure, the draw-in groove has all been offered to the both sides of locating lever, the draw-in groove is in on the same horizontal plane with the card post.
Preferably, screw holes are formed in the top of the mounting base, four screw holes are distributed in four corners of the top of the mounting base in a rectangular array, bolts are connected with the inner threads of the screw holes, and the mounting base is connected with the fixing plate through the bolts.
Compared with the prior art, the utility model has the following beneficial effects:
in the utility model, through the clamping assembly and the sealing assembly, the protector main body is firstly installed at the center of the installation base through the protector base, then the outer shell is covered on the protector main body through the fixing plate, and is inserted into the positioning hole through the positioning rod until the bottom of the fixing plate is tightly contacted with the top of the mounting base, meanwhile, when the bottom of the positioning rod is inserted, the positioning rod applies a certain acting force to the clamping column, and as the end part of the clamping column is in a truncated cone-shaped structure, the acting force applied when the positioning rod descends extrudes the inclined part of the clamping column to extrude the clamping column into the cavity, so that the rigid spring is contracted in the cavity until the positioning rod is completely inserted into the positioning hole, at the moment, the clamping groove and the clamping column are positioned on the same horizontal plane, after the clamping column loses the extrusion force, the restoring force of the rigid spring ejects the clamping column, so that the clamping column enters the inside of the clamping groove to finish the clamping of the fixing plate to the mounting base, then the bolt is screwed into the screw hole to further fasten, meanwhile, due to the arrangement of the protective cover, the wire harness tube is inserted into the through slot to facilitate the penetration of the wire harness tube, meanwhile, the penetration groove is sealed by the rubber gasket, and when the elastic sealing ring enters the protective cover, the elastic sealing ring is propped open by the protective cover main body, the outer surface of the protector main body is tightly wrapped by the elastic sealing ring, so that the inside of the outer shell is completely sealed, the entry of dust and rainwater can be avoided, the device is convenient for the installation and the dismantlement of protector main part, simple structure, convenient operation possesses the effect of complete seal when the installation of protector main part simultaneously, makes the inside of shell body play dustproof rain-proof water's effect, can improve the life of protector main part.
Drawings
FIG. 1 is a schematic perspective view of a three-phase combined overvoltage protector according to the present utility model;
FIG. 2 is a schematic diagram showing a front view and an inner cross-section of a three-phase combined overvoltage protector according to the present utility model;
FIG. 3 is a schematic diagram of a partial explosion structure of a three-phase combined overvoltage protector according to the present utility model;
FIG. 4 is an enlarged schematic view of the three-phase combined overvoltage protector of FIG. 2 according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of the three-phase combined overvoltage protector of fig. 2 at B.
In the figure: 1. a mounting base; 2. an outer housing; 3. a protector base; 4. a protector body; 5. a protective cover; 6. a wire harness tube; 7. inserting slots; 8. a groove; 9. an elastic sealing ring; 10. a rubber gasket; 11. a fixing plate; 12. a positioning rod; 13. positioning holes; 14. a clamping column; 15. a limiting plate; 16. a rigid spring; 17. a cavity; 18. a clamping groove; 19. a screw hole; 20. and (5) a bolt.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, the utility model discloses a three-phase combined overvoltage protector, which comprises a mounting base 1, wherein the top of the mounting base 1 is connected with an outer shell 2 through a clamping assembly, the top of the mounting base 1 is fixedly connected with a protector base 3, the top of the protector base 3 is fixedly connected with three protector bodies 4, and the outer shell 2 is connected with the protector bodies 4 through a sealing assembly;
the sealing assembly comprises a protective cover 5, a wire harness tube 6, an elastic sealing ring 9 and a rubber gasket 10, wherein the top of the outer shell 2 is embedded with three protective covers 5, the top of the protector main body 4 is fixedly connected with the wire harness tube 6, the elastic sealing ring 9 is fixedly connected between the inner walls of the protective covers 5, and the rubber gasket 10 is fixedly connected at the joint of the protector main body 4 and the wire harness tube 6;
the clamping assembly comprises a fixing plate 11, a locating rod 12, clamping columns 14, limiting plates 15 and rigid springs 16, wherein the fixing plate 11 is fixedly connected to two sides of the bottom of the outer shell 2, the locating rod 12 is fixedly connected to the center of the bottom of the fixing plate 11, locating holes 13 are formed in the centers of two sides of the top of the installation base 1 in a penetrating mode, the clamping columns 14 are movably arranged on two sides of the locating holes 13, one ends of the clamping columns 14 are fixedly connected with one sides of the limiting plates 15, and the other sides of the limiting plates 15 are connected with the inside of the installation base 1 through the rigid springs 16.
The top of protection casing 5 is round platform column structure, and three protection casing 5 are rectangular array and distribute in the top of shell body 2, and are in same vertical face with three protector main part 4.
The center of the top of the protective cover 5 is provided with a penetrating slot 7, the inner diameter of the penetrating slot 7 is larger than the cross-section diameter of the wire harness tube 6, the bottom of the protective cover 5 is provided with a groove 8, the inner diameter of the groove 8 is larger than the cross-section diameter of the protector main body 4, and the penetrating slot 7 is communicated with the groove 8.
The inner ring of the elastic sealing ring 9 is tightly connected with the outer wall of the protector body 4, the cross section size of the rubber gasket 10 is larger than the inner diameter of the penetration groove 7, and the top of the rubber gasket 10 is tightly contacted with the top wall of the groove 8.
The positioning rod 12 and the positioning hole 13 are positioned on the same vertical surface, the diameter of the cross section of the positioning rod 12 is smaller than the inner diameter of the positioning hole 13, and the length of the positioning rod 12 is equal to the height of the mounting base 1.
The cavity 17 has been seted up to the inside bilateral symmetry of locating hole 13, and the activity of the one end of card post 14 sets up in the inside of cavity 17, and the one end of card post 14 is round platform column structure, and draw-in groove 18 has all been seted up to the both sides of locating lever 12, and draw-in groove 18 is in same horizontal plane with card post 14.
The working principle of the utility model is as follows: when in use, the protector main body 4 is firstly arranged at the center of the installation base 1 through the protector base 3, then the outer shell 2 is covered on the protector main body 4 through the fixing plate 11, the fixing plate 12 is inserted in alignment with the positioning hole 13 until the bottom of the fixing plate 11 is tightly contacted with the top of the installation base 1, meanwhile, when the bottom of the fixing plate 12 is inserted, the fixing plate 12 applies a certain acting force to the clamping column 14, because the end part of the clamping column 14 is in a circular truncated cone structure, when the fixing plate 12 descends, the acting force applied by pressing the inclined part of the clamping column 14 presses the clamping column 14 into the cavity 17, so that the rigid spring 16 is contracted in the cavity 17 until the fixing plate 12 is completely inserted into the positioning hole 13, at this time, the clamping groove 18 and the clamping column 14 are positioned on the same horizontal plane, after the clamping column 14 loses the extrusion force, the restoring force of the rigid spring 16 ejects the clamping column 14, the clamping column 14 enters the clamping groove 18 to finish the clamping of the fixing plate 11 to the mounting base 1, then the fixing plate is screwed into the screw hole 19 through the bolt 20 to further fasten, meanwhile, due to the arrangement of the protective cover 5, the wire harness pipe 6 is inserted into the penetrating slot 7 through the wire harness pipe 6, the wire harness pipe 6 is convenient for the penetration of wires, meanwhile, the penetrating slot 7 is sealed through the rubber gasket 10, when the protector main body 4 enters the protective cover 5, the elastic sealing ring 9 is tightly wrapped by the outer surface of the protector main body 4 by the elastic sealing ring 9, the inside of the outer shell 2 is completely sealed, the entry of dust and rainwater can be avoided, the device is convenient for the mounting and the dismounting of the protector main body 4, the structure is simple, the operation is convenient, the installation of the protector main body 4 is simultaneously provided with the effect of complete sealing, the inside of the outer case 2 is made to have a dustproof and rainproof effect, and the service life of the protector body 4 can be prolonged.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A three-phase combined overvoltage protector is characterized in that: the novel anti-theft protection device comprises a mounting base (1), wherein the top of the mounting base (1) is connected with an outer shell (2) through a clamping assembly, the top of the mounting base (1) is fixedly connected with a protector base (3), the top of the protector base (3) is fixedly connected with three protector main bodies (4), and the outer shell (2) is connected with the protector main bodies (4) through a sealing assembly;
the sealing assembly comprises a protective cover (5), a wire harness tube (6), an elastic sealing ring (9) and a rubber gasket (10), wherein three protective covers (5) are embedded in the top of the outer shell (2), the wire harness tube (6) is fixedly connected to the top of the protector main body (4), the elastic sealing ring (9) is fixedly connected between the inner walls of the protective cover (5), and the rubber gasket (10) is fixedly connected to the joint of the protector main body (4) and the wire harness tube (6);
the clamping assembly comprises a fixing plate (11), a locating rod (12), clamping columns (14), limiting plates (15) and rigid springs (16), wherein the fixing plate (11) is fixedly connected to two sides of the bottom of the outer shell body (2), the locating rod (12) is fixedly connected to the center of the bottom of the fixing plate (11), locating holes (13) are formed in the centers of two sides of the top of the installation base (1) in a penetrating mode, the clamping columns (14) are movably arranged on two sides of the locating holes (13), one ends of the clamping columns (14) are fixedly connected with one side of the limiting plates (15), and the other side of the limiting plates (15) is connected with the inside of the installation base (1) through the rigid springs (16).
2. A three-phase combined overvoltage protector according to claim 1, characterized in that: the top of protection casing (5) is round platform column structure, and three protection casing (5) are rectangular array and distribute in the top of shell body (2), and are in same vertical face with three protector main part (4).
3. A three-phase combined overvoltage protector according to claim 2, characterized in that: the center of the top of the protective cover (5) is provided with a penetrating groove (7), the inner diameter of the penetrating groove (7) is larger than the cross section diameter of Shu Xianguan (6), the bottom of the protective cover (5) is provided with a groove (8), the inner diameter of the groove (8) is larger than the cross section diameter of the protector main body (4), and the penetrating groove (7) is communicated with the groove (8).
4. A three-phase combined overvoltage protector according to claim 3, characterized in that: the inner ring of the elastic sealing ring (9) is tightly connected with the outer wall of the protector main body (4), the cross section size of the rubber gasket (10) is larger than the inner diameter of the penetrating groove (7), and the top of the rubber gasket (10) is tightly contacted with the top wall of the groove (8).
5. The three-phase combined overvoltage protector according to claim 4, wherein: the positioning rod (12) and the positioning hole (13) are positioned on the same vertical plane, the diameter of the cross section of the positioning rod (12) is smaller than the inner diameter of the positioning hole (13), and the length of the positioning rod (12) is equal to the height of the mounting base (1).
6. The three-phase combined overvoltage protector according to claim 5, wherein: the inside bilateral symmetry of locating hole (13) has seted up cavity (17), the one end activity of card post (14) sets up in the inside of cavity (17), the one end of card post (14) is round platform column structure, draw-in groove (18) have all been seted up to the both sides of locating lever (12), draw-in groove (18) are in on the coplanar with card post (14).
7. The three-phase combined overvoltage protector according to claim 6, wherein: screw holes (19) are formed in the top of the mounting base (1), the number of the screw holes (19) is four, the four screw holes (19) are distributed at four corners of the top of the mounting base (1) in a rectangular array, bolts (20) are connected with the inside threads of the screw holes (19), and the mounting base (1) is connected with the fixing plate (11) through the bolts (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223284496.9U CN219041391U (en) | 2022-12-07 | 2022-12-07 | Three-phase combined overvoltage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223284496.9U CN219041391U (en) | 2022-12-07 | 2022-12-07 | Three-phase combined overvoltage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219041391U true CN219041391U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223284496.9U Active CN219041391U (en) | 2022-12-07 | 2022-12-07 | Three-phase combined overvoltage protector |
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| Country | Link |
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| CN (1) | CN219041391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117479456A (en) * | 2023-12-28 | 2024-01-30 | 江苏坚力电子科技股份有限公司 | Filter wind-proof device with lifting function for high-voltage harmonic treatment |
-
2022
- 2022-12-07 CN CN202223284496.9U patent/CN219041391U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117479456A (en) * | 2023-12-28 | 2024-01-30 | 江苏坚力电子科技股份有限公司 | Filter wind-proof device with lifting function for high-voltage harmonic treatment |
| CN117479456B (en) * | 2023-12-28 | 2024-03-08 | 江苏坚力电子科技股份有限公司 | Filter wind-proof device with lifting function for high-voltage harmonic treatment |
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