CN213071731U - Circuit protection device for low-voltage power distribution gateway - Google Patents
Circuit protection device for low-voltage power distribution gateway Download PDFInfo
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- CN213071731U CN213071731U CN202120628333.4U CN202120628333U CN213071731U CN 213071731 U CN213071731 U CN 213071731U CN 202120628333 U CN202120628333 U CN 202120628333U CN 213071731 U CN213071731 U CN 213071731U
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- protection device
- circuit protection
- bevel gear
- screw rod
- distribution gateway
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Abstract
The utility model relates to the technical field of protection circuit devices, and discloses a circuit protection device for a low-voltage power distribution gateway, has solved general circuit protection device and in the process of installation, need install it through the instrument, problem that the operation is comparatively loaded down with trivial details, it includes the protective housing, the bottom of protective housing is rotated and is installed the bull stick, symmetrical fixed mounting has the initiative bevel gear on the bull stick, the meshing of initiative bevel gear is connected with driven bevel gear, driven bevel gear fixed mounting is in the pivot, the top fixed mounting of pivot has the screw rod, the screw thread is installed the holding ring on the screw rod, the top of screw rod has been seted up the bar groove, the inside in bar groove is slidable mounting respectively has lower slider and last slider, and the lower slider passes through expanding spring and is connected with the last slider, the top symmetry in bar groove is peg; the utility model discloses, cooperation through bull stick, screw rod and holding ring etc. that set up is used, can accomplish the quick installation to the device body, and the operation is comparatively convenient.
Description
Technical Field
The utility model belongs to the technical field of the protection circuit device, specifically be a circuit protection device that low pressure distribution gateway used.
Background
The distribution network wiring generally adopts a mode that a neutral line of a distribution transformer is directly grounded, a leakage current protector can be arranged at a distribution network transformer wire outlet end, and when a human body electric shock occurs, the leakage current protector acts to trip off a circuit breaker and cut off a power supply, so that the personal safety is protected; the principle is that zero sequence current of a power distribution system is detected, the zero sequence current can be suddenly changed when people get an electric shock, and when the change value of the zero sequence current exceeds a preset threshold value, a tripping mechanism of a leakage current protector rapidly acts to trip off a power circuit breaker, so that the safety of the people getting an electric shock is protected, and a circuit protection device is needed.
In the installation process of a general circuit protection device, the general circuit protection device needs to be installed through a tool, and the operation is complex.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a circuit protection device that low pressure distribution gateway used, the effectual general circuit protection device of having solved need install it through the instrument at the in-process of installation, operates comparatively loaded down with trivial details problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit protection device that low-voltage distribution gateway used, which comprises a protective housing, the bottom of protective housing is rotated and is installed the bull stick, symmetry fixed mounting has initiative bevel gear on the bull stick, initiative bevel gear meshing is connected with driven bevel gear, driven bevel gear fixed mounting is in the pivot, the top fixed mounting of pivot has the screw rod, the holding ring is installed to the screw thread on the screw rod, the bar groove has been seted up at the top of screw rod, the inside in bar groove slidable mounting has lower slider and last slider respectively, and the lower slider passes through expanding spring and is connected with last slider, the top symmetry in bar groove is pegged graft and is had T-shaped piece, and has cup jointed reset spring.
Preferably, the rotating shaft is rotatably installed on the positioning cylinder, a connecting block is fixedly installed on one side of the positioning cylinder, and the connecting block is fixedly installed on the inner wall of the protective shell.
Preferably, the bottom of holding ring symmetry fixed mounting has the gag lever post, and the gag lever post slides and pegs graft in the inside in spacing hole, and the top of a location section of thick bamboo is seted up to spacing hole symmetry.
Preferably, the front and the back of the lower sliding block are fixedly provided with a stop dog, and the stop dog is positioned at the top end of the positioning ring and extends out of the strip-shaped groove.
Preferably, the whole shape of the upper sliding block is an inverted T-shaped structure, and both sides of the top end of the upper sliding block and the bottom of one side of the T-shaped block are obliquely arranged.
Preferably, the device body is installed inside the protective shell, and a mounting hole is formed at a corner of the device body.
Preferably, the top end of the protective shell is hinged with a cover body, and transparent glass is arranged in the middle of the cover body.
Compared with the prior art, the beneficial effects of the utility model are that:
1) in the work, the locating ring and the T-shaped block can be driven to move in a mechanical transmission mode through the matched use of the rotating rod, the driving bevel gear, the driven bevel gear, the screw rod, the locating ring and the like, so that the quick installation process of the device body is completed, and the operation is convenient;
2) the protection device comprises a protection shell, a device body and a base, wherein the protection shell is arranged on the base, the device body is arranged in the protection shell, and the device body is not in contact with the inner wall of the protection shell in work.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the screw mounting structure of the present invention;
fig. 4 is an enlarged schematic structural diagram of a in fig. 3 according to the present invention.
In the figure: 1. a protective shell; 101. a positioning cylinder; 102. connecting blocks; 2. a rotating rod; 3. a drive bevel gear; 4. a driven bevel gear; 5. a rotating shaft; 6. a screw; 7. a positioning ring; 701. a limiting rod; 8. a strip-shaped groove; 9. a lower slide block; 901. a stopper; 10. a tension spring; 11. an upper slide block; 12. a T-shaped block; 13. a return spring; 14. a device body; 1401. mounting holes; 15. a cover body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
The embodiment one, given by fig. 1-4, the utility model discloses a protective housing 1, the bottom of protective housing 1 is rotated and is installed bull stick 2, symmetry fixed mounting has drive bevel gear 3 on the bull stick 2, drive bevel gear 3 meshing is connected with driven bevel gear 4, can drive driven bevel gear 4 and rotate, driven bevel gear 4 fixed mounting is on pivot 5, the top fixed mounting of pivot 5 has screw rod 6, can make screw rod 6 rotate, holding ring 7 is installed to the last screw thread of screw rod 6, bar groove 8 has been seted up at the top of screw rod 6, bar groove 8's inside difference slidable mounting has lower slider 9 and last slider 11, and lower slider 9 passes through expanding spring 10 and is connected with last slider 11, the top symmetry grafting of bar groove 8 has T-shaped piece 12, and reset spring 13 has been cup jointed on T-shaped piece 12, can make T-shaped piece 12 get back to the primary position.
In the second embodiment, on the basis of the first embodiment, the rotating shaft 5 is rotatably installed on the positioning cylinder 101, the connecting block 102 is fixedly installed on one side of the positioning cylinder 101, and the connecting block 102 is fixedly installed on the inner wall of the protective shell 1, so that the rotating shaft 5 can be conveniently installed.
Third embodiment, on the basis of first embodiment, the bottom symmetry fixed mounting of holding ring 7 has gag lever post 701, and gag lever post 701 slides and pegs graft in the inside in spacing hole, and the top of a location section of thick bamboo 101 is seted up to spacing hole symmetry, can avoid holding ring 7 to take place to rotate.
In the fourth embodiment, on the basis of the first embodiment, the front surface and the back surface of the lower slider 9 are both fixedly provided with the stoppers 901, and the stoppers 901 are located at the top end of the positioning ring 7 and extend out of the strip-shaped groove 8, so that the lower slider 9 can be forced to move.
In the fifth embodiment, on the basis of the first embodiment, the overall shape of the upper slider 11 is an inverted T-shaped structure, and both sides of the top end of the upper slider 11 and the bottom of one side of the T-shaped block 12 are obliquely arranged and are used in cooperation with each other.
Sixth embodiment, on the basis of the first embodiment, the device body 14 is installed inside the protective casing 1, and the mounting hole 1401 is opened at a corner of the device body 14, so that the device body 14 can be conveniently installed.
Seventh, on the basis of the first embodiment, the top end of the protective case 1 is hinged to the cover body 15, and the transparent glass is installed in the middle of the cover body 15, so that a person can observe the situation inside the protective case 1 conveniently.
The working principle is as follows: when the device works, firstly, when the device body 14 needs to be installed, only the installation hole 1401 on the device body needs to be sleeved on the top of the corresponding screw 6, then the rotating rod 2 is rotated, the rotating rod 2 drives the driven bevel gear 4 to rotate by driving the driving bevel gear 3, the driven bevel gear 4 drives the screw 6 to rotate by the rotating shaft 5, the screw 6 drives the positioning ring 7 to move by a thread mode, under the action of the limiting rod 701, the positioning ring 7 extrudes the stopper 901 after moving upwards, so that the lower slider 9 slides in the strip-shaped groove 8, the lower slider 9 extrudes the upper slider 11 by the telescopic spring 10, the upper slider 11 extrudes the T-shaped block 12 after moving, the T-shaped block 12 extends out of the screw 6 to limit the top end of the device body 14, along with the continuous movement of the positioning ring 7, and finally, the positioning ring 7 limits the bottom end of the device body 14, thereby completing the rapid installation process of the device body 14, the operation is convenient.
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 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 (7)
1. A circuit protection device that low voltage distribution gateway used, includes protective housing (1), its characterized in that: the bottom of protective housing (1) is rotated and is installed bull stick (2), symmetry fixed mounting has initiative bevel gear (3) on bull stick (2), initiative bevel gear (3) meshing is connected with driven bevel gear (4), driven bevel gear (4) fixed mounting is on pivot (5), the top fixed mounting of pivot (5) has screw rod (6), holding ring (7) are installed to screw rod (6) upper thread, bar groove (8) have been seted up at the top of screw rod (6), the inside difference slidable mounting of bar groove (8) has lower slider (9) and last slider (11), and lower slider (9) are connected with last slider (11) through expanding spring (10), the top symmetry in bar groove (8) is pegged graft and is had T-shaped piece (12), and reset spring (13) have been cup jointed on T-shaped piece (12).
2. A circuit protection device for a low voltage distribution gateway as claimed in claim 1, wherein: the rotating shaft (5) is rotatably installed on the positioning cylinder (101), a connecting block (102) is fixedly installed on one side of the positioning cylinder (101), and the connecting block (102) is fixedly installed on the inner wall of the protective shell (1).
3. A circuit protection device for a low voltage distribution gateway as claimed in claim 1, wherein: the bottom end of the positioning ring (7) is symmetrically and fixedly provided with a limiting rod (701), the limiting rod (701) is inserted into the limiting hole in a sliding mode, and the limiting hole is symmetrically formed in the top end of the positioning cylinder (101).
4. A circuit protection device for a low voltage distribution gateway as claimed in claim 1, wherein: the front and the back of the lower sliding block (9) are fixedly provided with a stop block (901), and the stop block (901) is positioned at the top end of the positioning ring (7) and extends out of the strip-shaped groove (8).
5. A circuit protection device for a low voltage distribution gateway as claimed in claim 1, wherein: the whole shape of the upper sliding block (11) is an inverted T-shaped structure, and both sides of the top end of the upper sliding block (11) and the bottom of one side of the T-shaped block (12) are obliquely arranged.
6. A circuit protection device for a low voltage distribution gateway as claimed in claim 1, wherein: the device body (14) is installed inside the protective shell (1), and a mounting hole (1401) is formed in the corner of the device body (14).
7. A circuit protection device for a low voltage distribution gateway as claimed in claim 1, wherein: the top end of the protective shell (1) is hinged with a cover body (15), and transparent glass is arranged in the middle of the cover body (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120628333.4U CN213071731U (en) | 2021-03-29 | 2021-03-29 | Circuit protection device for low-voltage power distribution gateway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120628333.4U CN213071731U (en) | 2021-03-29 | 2021-03-29 | Circuit protection device for low-voltage power distribution gateway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213071731U true CN213071731U (en) | 2021-04-27 |
Family
ID=75564081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120628333.4U Active CN213071731U (en) | 2021-03-29 | 2021-03-29 | Circuit protection device for low-voltage power distribution gateway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213071731U (en) |
-
2021
- 2021-03-29 CN CN202120628333.4U patent/CN213071731U/en active Active
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