CN215379531U

CN215379531U - Power supply protection device of multi-path power supply parallel circuit

Info

Publication number: CN215379531U
Application number: CN202121168535.1U
Authority: CN
Inventors: 宋伟; 向奕璇; 刘世林
Original assignee: Chengdu Hangyu Zhuoyue Electronic Technology Co ltd
Current assignee: Chengdu Hangyu Zhuoyue Electronic Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-31
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a power supply protection device of a multi-path power supply parallel circuit, which comprises a protection box and a push-pull plate, wherein a spring groove is formed in the protection box, a third spring is fixedly connected in the protection box and positioned in the spring groove, the bottom end of the third spring is fixedly connected with a supporting block, one side of the supporting block is fixedly connected with a third clamping block, one side of the third clamping block is provided with a chute, one side of the protection box is in threaded connection with a threaded sleeve, one side of the interior of the threaded sleeve is fixedly connected with a conical fixing block, one side of the conical fixing block, which is far away from the threaded sleeve, is fixedly connected with a push-pull rod, one end of the push-pull rod is fixedly connected with a first limiting plate, the outer side of the push-pull rod is rotatably connected with a second limiting plate, and the outer side of the second limiting plate is fixedly connected with a fixing rod; therefore, the purposes of conveniently disassembling and replacing the circuit board and enhancing the stability of the circuit board are achieved, the time and energy of operators are saved, and the practicability is high.

Description

Power supply protection device of multi-path power supply parallel circuit

Technical Field

The utility model relates to the technical field of power supply protection, in particular to a power supply protection device of a multi-path power supply parallel circuit.

Background

Parallel connection is a connection mode among elements, and is characterized in that 2 elements, devices and the like of the same type or different types are connected end to end, and are also connected end to end. Is often used to refer to the connection of electronic components in a circuit, i.e., a parallel circuit. Electric energy is applied to almost all fields, and people's daily life is unable to keep away from an electric energy source. In the application of electric energy, safety electricity utilization and electricity saving become part of the electricity utilization guidelines of people, and accordingly, the power protection switch is widely applied, and a circuit distribution box is provided with a power protection device. However, the existing power protection device is inconvenient to detach when the circuit board is damaged and needs to be maintained and replaced, the whole power protection device needs to be detached and taken out, a great deal of energy is wasted, the fixing effect on the circuit board is poor, the service life of the circuit board is shortened, and the use is influenced. Therefore, a power supply protection device of a multi-path power supply parallel circuit is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a power protection device for a multi-channel power parallel circuit, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a power supply protection device of a multi-path power supply parallel circuit comprises a protection box and a push-pull plate, wherein a spring groove is formed in the protection box, a third spring is fixedly connected in the protection box and positioned in the spring groove, the bottom end of the third spring is fixedly connected with a supporting block, a third clamping block is fixedly connected to one side of the supporting block, a chute is formed in one side of the third clamping block, a threaded sleeve is in threaded connection with one side of the protection box, a conical fixing block is fixedly connected to one side of the interior of the threaded sleeve, a push-pull rod is fixedly connected to the side, far away from the threaded sleeve, of the conical fixing block, a first limiting plate is fixedly connected to one end of the push-pull rod, a second limiting plate is rotatably connected to the outer side of the push-pull rod, a fixing rod is fixedly connected to the outer side of the second limiting plate, an ejector block is fixedly connected to one side of the fixing rod, one end of the ejector block extends into the chute, the protection box is characterized in that a third limiting plate is fixedly connected to the outer side of the fixing rod, a fourth spring is fixedly connected to one end of the third limiting plate, the inside of the fourth spring is connected with the fixing rod in a sliding mode, and one end, far away from the third limiting plate, of the fourth spring is fixedly connected with the inside of the protection box.

Preferably, the base is fixedly connected to one side of the push-pull plate, the clamping grooves are symmetrically formed in the base, the second springs are fixedly connected to the inner portions of the base and located in the two sliding grooves, the second springs are far away from one end of the base and fixedly connected with L-shaped fixing rods, the L-shaped fixing rods are far away from one side of the second springs and fixedly connected with first clamping blocks, a circuit board is clamped between the first clamping blocks, the second clamping blocks are symmetrically and fixedly connected to the bottom end of the circuit board, the L-shaped fixing rods penetrate through the inner portions of the first clamping blocks and are slidably connected with the inner portions of the second clamping blocks, and nuts are in threaded connection with the outer sides of the top ends of the L-shaped fixing rods.

Preferably, base bottom equidistance fixedly connected with conducting strip, conducting strip bottom fixedly connected with semiconductor refrigeration piece, base bottom symmetry fixedly connected with backup pad.

Preferably, the bottom end of the inside of the protection box is symmetrically and fixedly connected with a limiting block, one side of the push-pull plate is symmetrically and fixedly connected with a sliding block, the bottom of the sliding block is connected with the limiting block in a sliding mode, one end of the third clamping block is connected with one of the sliding blocks in a clamping mode, and the top end of the sliding block is fixedly connected with the supporting plate.

Preferably, a spring groove is formed in one side of the inner portion of the protection box, and a first spring is fixedly connected in the spring groove and located in the protection box.

Preferably, the heat dissipation holes are formed in the outer side of the protection box at equal intervals, and a filter screen is fixedly connected inside the heat dissipation holes.

Compared with the prior art, the utility model has the beneficial effects that: the push-pull rod is driven to rotate through the threaded sleeve, when the push-pull rod drives the first limiting plate to be close to the second limiting plate, the fixed rod can be pulled out by pulling the threaded sleeve, the fixed rod drives the ejector block to be separated from fixing the third clamping block, the third spring drives the third clamping block to be separated from clamping the sliding block downwards, the sliding block is ejected out by the first spring, the circuit board is taken out of the protection device, the two nuts are screwed, when the two nuts are separated from the two L-shaped fixed rods, the two L-shaped fixed rods are moved in the direction away from the first clamping block, the two L-shaped fixed rods drive the two first clamping blocks to be separated from clamping the circuit board, the two L-shaped fixed rods are separated from fixing the two second clamping blocks, the circuit board can be taken out, the heat conducting sheet and the semiconductor refrigerating sheet effectively dissipate heat of the circuit board, and the disassembly is convenient when the circuit board is damaged and needs to be maintained and replaced, save operating personnel time and energy, and strengthened the stability to the circuit board, the practicality is strong.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is a side cross-sectional view of the structure of the present invention;

FIG. 4 is a partial schematic view of a structural fixing rod and a threaded sleeve of the present invention

FIG. 5 is an enlarged view of portion A of the present invention;

FIG. 6 is an enlarged view of portion B of the present invention;

FIG. 7 is an enlarged view of the portion C of the present invention.

In the figure: 1. a protection box; 2. a filter screen; 3. a push-pull plate; 4. a threaded bushing; 5. a slider; 6. A first spring; 7. a support plate; 8. a base; 9. a circuit board; 10. a first clamping block; 11. heat dissipation holes; 12. a second fixture block; 13. a heat conductive sheet; 14. a semiconductor refrigeration sheet; 15. an L-shaped fixing rod; 16. a nut; 17. a limiting block; 18. a top block; 19. fixing the rod; 20. a first limit plate; 21. a second limiting plate; 22. a third limiting plate; 23. a conical fixing block; 24. a push-pull rod; 25. a second spring; 26. a chute; 27. a support block; 28. a third fixture block; 29. a third spring; 30. and a fourth spring.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: a power supply protection device of a multi-path power supply parallel circuit comprises a protection box 1 and a push-pull plate 3, wherein a spring groove is formed in the protection box 1, a third spring 29 is fixedly connected in the protection box 1 and positioned in the spring groove, the bottom end of the third spring 29 is fixedly connected with a supporting block 27, one side of the supporting block 27 is fixedly connected with a third clamping block 28, one side of the third clamping block 28 is provided with a chute 26, one side of the protection box 1 is in threaded connection with a threaded sleeve 4, the threaded sleeve 4 is convenient for driving a fixing rod 19 to move, one side of the inside of the threaded sleeve 4 is fixedly connected with a conical fixing block 23, one side of the conical fixing block 23, which is far away from the threaded sleeve 4, is fixedly connected with a push-pull rod 24, one end of the push-pull rod 24 is fixedly connected with a first limiting plate 20, the outer side of the push-pull rod 24 is rotatably connected with a second limiting plate 21, the outer side of the second limiting plate 21 is fixedly connected with the fixing rod 19, and one side of the fixing rod 19 is fixedly connected with an ejector block 18, in the kicking block 18 one end extended to chute 26, be convenient for to the joint of third fixture block 28, dead lever 19 outside fixedly connected with third limiting plate 22, third limiting plate 22 one end fixedly connected with fourth spring 30, fourth spring 30 inside and dead lever 19 sliding connection, fourth spring 30 kept away from third limiting plate 22 one end and the inside fixed connection of guard box 1.

Further, 3 one side fixedly connected with bases 8 of push-and-pull board, the draw-in groove has been seted up to the inside symmetry of base 8, base 8 is inside and be located two spouts fixedly connected with

second spring

25, 8 one end fixedly connected with L type dead lever 15 are kept away from to two second springs 25, two L type dead levers 15 keep away from second spring 25 one side fixedly connected with first fixture block 10, the joint has circuit board 9 between two first fixture blocks 10, circuit board 9 bottom symmetry fixedly connected with second fixture block 12, two L type dead levers 15 pass inside and the inside sliding connection of second fixture block 12 of first fixture block 10, can accomplish the installation of circuit board 9 through L type dead lever 15 and dismantle, the equal threaded connection in two L type dead levers 15 top outsides has nut 16, further fixed to L type dead lever 15, prevent to become flexible.

Further, the bottom of the base 8 is fixedly connected with heat conducting fins 13 at equal intervals, the bottom of the heat conducting fins 13 is fixedly connected with semiconductor refrigerating fins 14, and the bottom of the base 8 is symmetrically and fixedly connected with supporting plates 7, so that the circuit board 9 can be conveniently cooled.

Furthermore, the bottom end inside the protection box 1 is symmetrically and fixedly connected with a limiting block 17, one side of the push-pull plate 3 is symmetrically and fixedly connected with a sliding block 5, the bottom of the sliding block 5 is slidably connected with the limiting block 17, the two sliding blocks 5 are convenient to limit, one end of a third clamping block 28 is clamped with one of the sliding blocks 5, and the top end of the sliding block 5 is fixedly connected with the supporting plate 7.

Further, the spring groove has been seted up to inside one side of guard box 1, and the guard box 1 is inside and be located the first spring 6 of spring inslot fixedly connected with, is convenient for pop out sliding block 5 when third fixture block 28 breaks away from the joint to sliding block 5, and the operating personnel of being convenient for takes out.

Further, louvre 11 has been seted up to the equidistance in the guard box 1 outside, and the inside heat of this device of being convenient for is scattered outward, and the inside fixedly connected with filter screen 2 of louvre 11 prevents that the dust from getting into this device.

Specifically, when the utility model is used: when an operator needs to take out the circuit board 9, the threaded sleeve 4 is screwed in a direction away from the protection box 1, the threaded sleeve 4 drives the push-pull rod 24 and the first limit plate 20 to rotate in a direction away from the protection box 1 through the tapered fixed block 23, the first limit plate 20 drives the second limit plate 21 to move when the first limit plate 20 touches the second limit plate 21, the second limit plate 21 drives the fixed rod 19 and the ejector block 18 to move, the ejector block 18 is separated from the chute 26, the third spring 29 downwards extrudes the support block 27 according to elasticity, the support block 27 drives the third block 28 to downwards move, the third block 28 is separated from clamping connection with one of the sliding blocks 5, the first spring 6 ejects one of the sliding blocks 5 to one side away from the protection box 1 according to elasticity, and the two sliding blocks 5 drive the push-pull plate 3 to move out of the protection box 1, at this moment, an operator upwards twists two nuts 16, when the two nuts 16 are separated from the two L-shaped fixing rods 15, the two L-shaped fixing rods 15 are moved in the direction away from the first fixture block 10, the two L-shaped fixing rods 15 drive the two first fixture blocks 10 to be separated from the clamping connection with the circuit board 9, the two L-shaped fixing rods 15 are separated from the fixation with the two second fixture blocks 12, and the circuit board 9 is taken out at this moment.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multichannel power parallel circuit's power protection device, includes guard box (1) and push-and-pull board (3), its characterized in that: the protection box is characterized in that a spring groove is formed in the protection box (1), a third spring (29) is fixedly connected in the protection box (1) and is positioned in the spring groove, the bottom end of the third spring (29) is fixedly connected with a supporting block (27), one side of the supporting block (27) is fixedly connected with a third clamping block (28), one side of the third clamping block (28) is provided with a chute (26), one side of the protection box (1) is in threaded connection with a threaded sleeve (4), one side of the inside of the threaded sleeve (4) is fixedly connected with a conical fixing block (23), one side of the conical fixing block (23) far away from the threaded sleeve (4) is fixedly connected with a push-pull rod (24), one end of the push-pull rod (24) is fixedly connected with a first limiting plate (20), the outer side of the push-pull rod (24) is rotatably connected with a second limiting plate (21), and the outer side of the second limiting plate (21) is fixedly connected with a fixing rod (19), dead lever (19) one side fixedly connected with kicking block (18), kicking block (18) one end extends to in chute (26), dead lever (19) outside fixedly connected with third limiting plate (22), third limiting plate (22) one end fixedly connected with fourth spring (30), fourth spring (30) inside and dead lever (19) sliding connection, third limiting plate (22) one end and the inside fixed connection of guard box (1) are kept away from in fourth spring (30).

2. A power protection device for a multi-power parallel circuit according to claim 1, wherein: push-and-pull board (3) one side fixedly connected with base (8), the draw-in groove has been seted up to base (8) inside symmetry, base (8) inside just is located two spout internal fixedly connected with second spring (25), two base (8) one end fixedly connected with L type dead lever (15), two are kept away from second spring (25) one side fixedly connected with first fixture block (10), two in second spring (25) are kept away from in second spring (25) the joint has circuit board (9) between first fixture block (10), circuit board (9) bottom symmetry fixedly connected with second fixture block (12), two L type dead lever (15) pass inside and second fixture block (12) internal sliding connection of first fixture block (10), two equal threaded connection in L type dead lever (15) top outside has nut (16).

3. A power protection device for a multi-power parallel circuit according to claim 2, wherein: base (8) bottom equidistance fixedly connected with conducting strip (13), conducting strip (13) bottom fixedly connected with semiconductor refrigeration piece (14), base (8) bottom symmetry fixedly connected with backup pad (7).

4. A power protection device for a multi-power parallel circuit according to claim 3, wherein: the protection box is characterized in that a limiting block (17) is symmetrically and fixedly connected to the bottom end inside the protection box (1), a sliding block (5) is symmetrically and fixedly connected to one side of the push-pull plate (3), the bottom of the sliding block (5) is connected with the limiting block (17) in a sliding mode, one end of a third clamping block (28) is connected with one sliding block (5) in a clamping mode, and the top end of the sliding block (5) is fixedly connected with the supporting plate (7).

5. The power protection device of the multi-power parallel circuit as claimed in claim 4, wherein: a spring groove is formed in one side inside the protection box (1), and a first spring (6) is fixedly connected inside the protection box (1) and located in the spring groove.

6. A power protection device for a multi-power parallel circuit according to claim 1, wherein: heat dissipation holes (11) are formed in the outer side of the protection box (1) at equal intervals, and a filter screen (2) is fixedly connected to the inner portions of the heat dissipation holes (11).