Lightning surge resistant power supply protection shell

Abstract

The utility model relates to a protective shell, belongs to the technical field of power supply surge protectors, and particularly relates to a lightning surge resistant power supply protective shell, which comprises a base and a shell arranged on the wall surface of the top end of the base. The two locking frames are fixedly installed on the two side wall faces of the base correspondingly, sliding rods are installed in the locking frames in a sliding mode, two sliding grooves are formed in the side walls of the sliding rods, and annular plates are installed on the side walls of the sliding rods in a sliding mode; the two limiting grooves are formed in the wall surface of the top end of the base; the sliding rod is rotated to enable the fixing block to be located between the two transverse plates of the locking frame, the spring drives the sliding rod to move, the sliding rod is connected with the fixing frame in a clamped mode, and when the shell is fixed and detached, the sliding rod is driven to be away from the fixing frame, the fixing block is attached to the transverse rods of the locking frame, fixing of the fixing frame is relieved, practicability is high, and practicability is high. The problem that an existing lightning surge resistant power supply protection shell is low in practicability is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of power surge protectors, in particular to a power protection shell for resisting lightning surges. Background Art

[0002] At present, the existing power surge protector consists of a module upper shell, a module lower shell, screws, lightning protection components, electrode plugs, discharge gap units and other parts. In the power supply system, it can protect against indirect lightning and direct lightning effects or other transient overvoltage surges. When a spike current or voltage suddenly occurs in an electrical circuit or communication line due to external interference, the surge protector can conduct and shunt in a very short time, thereby preventing the surge from damaging other devices in the circuit.

[0003] The Chinese patent with publication number CN207320569U discloses a protector housing and a power surge protector including the same. It relates to the technical field of power surge protectors, and specifically to a protector housing, including a support and a shell covered on the support, a plurality of snap-in holes are arranged around the lower part of the shell, and elastic snaps are arranged at positions corresponding to the support and the shell, and the elastic snaps are used to elastically snap into the snap-in holes when the shell cover is arranged on the support; it also relates to a power surge protector including the shell. The patent provides a protector housing and a power surge protector including the same, which can realize the composition of different products by sharing a unified shell, reducing the mold opening cost, enhancing the uniformity of the product, and indirectly reducing the product sales price, which is beneficial to the market competitiveness.

[0004] In the above technical solution, the shell is fixed by inserting the elastic clip on the support into the clip hole on the shell, so as to fix and protect the surge protector. However, the surge protector needs to be disassembled and repaired regularly, so the protective shell needs to be removed. The above existing technical solution cannot directly remove the elastic clip from the clip hole. It is easy to install but difficult to disassemble, and has low practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a protective shell for a lightning surge protection power supply. The sliding rod is rotated to make the fixed block between the two horizontal plates of the locking frame. The spring drives the sliding rod to move so that the sliding rod is engaged with the fixed frame to fix the shell. When disassembling, the sliding rod is driven away from the fixed frame so that the fixed block fits with the horizontal bar of the locking frame to release the fixation of the fixed frame. The utility model is highly practical.

[0006] The technical solution to achieve the purpose of the utility model is: a protective housing for a lightning surge protection power supply, comprising a base, a top wall of the base being provided with a shell, and further comprising;

[0007] Two locking frames, the two locking frames are respectively fixedly mounted on the two side walls of the base, a sliding rod is slidably mounted inside the locking frame, a fixing plate is fixedly mounted on the side wall of the sliding rod, a spring is sleeved on the side wall of the sliding rod, two sliding grooves are arranged on the side wall of the sliding rod, an annular plate is slidably mounted on the side wall of the sliding rod, two sliding blocks are fixedly mounted on the inner side wall of the annular plate, the two sliding blocks are respectively slidably mounted on the inner side walls of the two sliding grooves, and two fixing blocks are fixedly mounted on the outer side wall of the annular plate;

[0008] Two limiting grooves are provided on the top wall of the base, and the side walls of the two limiting grooves are provided with through grooves. Two fixing frames are fixedly installed on the bottom wall of the shell, and the two fixing frames correspond to the two limiting grooves respectively.

[0009] In some embodiments, the locking frame is composed of two horizontal plates and a sleeve, and the longitudinal section of the locking frame is in the shape of an I-shaped character.

[0010] In some embodiments, a top wall surface of the base is provided with a plurality of slots, and an inner top wall surface of the shell is also provided with a plurality of slots.

[0011] In some embodiments, the side wall of the slide bar close to the base is inclined, and the slide bar is slidably installed inside the through slot.

[0012] In some embodiments, a groove is formed on the outer side wall of the shell, a threaded rod is rotatably installed on the inner side wall of the groove, the threaded rod passes through the groove and extends to the top wall of the base, two clamps are spirally installed on the side wall of the threaded rod, and a handle is fixedly installed on the top wall of the threaded rod.

[0013] In some embodiments, both ends of the side wall of the threaded rod are provided with thread grooves with opposite rotation directions, and the two clamping plates are axially symmetrically distributed and are located on the side walls of the thread grooves of the threaded rod with opposite directions.

[0014] Compared with the prior art, the utility model has the following significant advantages:

[0015] First, the utility model aligns the fixing frame with the limiting groove so that the fixing frame is inserted into the limiting groove, and then the fixing block is held by hand to drive the annular plate to rotate, and the rotation of the annular plate drives the sliding rod to rotate, so that the fixing block is between the two horizontal plates of the locking frame. At this time, under the action of the spring, the sliding rod is driven to move toward the limiting groove, so that the sliding rod is engaged with the fixing frame to fix the shell, thereby fixing the surge power protector placed on the base. During subsequent disassembly, the fixing block is held by hand to drive the sliding rod away from the fixing frame, and then the fixing block is rotated so that the side wall of the fixing block fits with the side wall of the horizontal rod of the locking frame, so that the sliding rod is completely moved to the inside of the locking frame, releasing the fixation of the fixing frame and disassembling the shell, which is very convenient and highly practical; it solves the problem of low practicality of the existing anti-lightning surge power protection shell.

[0016] Secondly, after the surge protector is placed, the utility model places the protection device on the guide rail so that the guide rail is between two clamping plates. Then, the handle is turned, and the handle drives the threaded rod to rotate, so that the two clamping plates move toward each other, thereby clamping the guide rail and fixing the device. When the device is subsequently repaired and disassembled, the handle can be directly turned to make the two clamping plates gradually move away from the guide rail, thereby disassembling the device, making repair and replacement more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a partial structural schematic diagram of the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the locking frame of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the utility model from other viewing angles.

[0022] Description of reference numerals:

[0023] 1. Base; 11. Card slot; 12. Limiting slot; 13. Through slot; 2. Shell; 21. Fixed frame; 3. Locking frame; 4. Slide rod; 41. Slide slot; 42. Fixed plate; 5. Ring plate; 51. Slider; 52. Fixed block; 6. Spring; 7. Groove; 8. Threaded rod; 81. Clamp; 82. Handle. DETAILED DESCRIPTION

[0024] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides an improved housing for a lightning surge protection power supply. The technical solution of the utility model is:

[0026] like Figure 1 - Figure 4 As shown, a lightning surge protection housing for power supply includes a base 1, a top wall of the base 1 is provided with a shell 2, two locking frames 3, and two limit grooves 12;

[0027] The two locking frames 3 are fixedly installed on the two side walls of the base 1 respectively. The locking frame 3 is composed of two horizontal plates and a sleeve. The longitudinal section of the locking frame 3 is in the shape of an "I". A sliding rod 4 is slidably installed inside the locking frame 3. A fixing plate 42 is fixedly installed on the side wall of the sliding rod 4. The setting of the fixing plate 42 facilitates the limited fixing of the sliding rod 4. The side wall of the sliding rod 4 is sleeved with a spring 6. The spring 6 is between the fixing plate 42 and the side wall of the sleeve away from the base 1. The side wall of the sliding rod 4 is provided with two sliding grooves 41. The side wall of the sliding rod 4 is slidably installed. An annular plate 5 is installed, and two sliders 51 are fixedly installed on the inner side wall of the annular plate 5. The two sliders 51 are slidably installed on the inner side walls of the two slide grooves 41 respectively. Two fixing blocks 52 are fixedly installed on the outer side wall of the annular plate 5. The side walls of the fixing blocks 52 are in contact with the side walls of the upper and lower horizontal plates of the locking frame 3. At this time, the spring 6 is in a compressed state. A plurality of card slots 11 are provided on the top wall of the base 1. A plurality of card slots 11 are also provided on the inner top wall of the housing 2. The provision of the card slots 11 facilitates the fixing of the surge protector.

[0028] Two limiting grooves 12 are provided on the top wall of the base 1, and through grooves 13 are provided on the side walls of the two limiting grooves 12. Two fixing frames 21 are fixedly installed on the bottom wall of the shell 2, and the two fixing frames 21 correspond to the two limiting grooves 12 respectively. The fixing frames 21 are slidably installed inside the limiting grooves 12, and the sliding rod 4 is inclined near the side wall of the base 1. The sliding rod 4 is slidably installed inside the through groove 13 and is engaged with the inner side wall of the fixing frame 21;

[0029] The fixing frame 21 is aligned with the limiting groove 12 so that the fixing frame 21 is inserted into the limiting groove 12, and then the fixing block 52 is held by hand to drive the annular plate 5 to rotate, and the rotation of the annular plate 5 drives the sliding rod 4 to rotate, so that the fixing block 52 is located between the two horizontal plates of the locking frame 3. At this time, under the action of the spring 6, the sliding rod 4 is driven to move toward the limiting groove 12, so that the sliding rod 4 is engaged with the fixing frame 21 to fix the shell 2, thereby fixing the surge power protector placed on the base 1. During subsequent disassembly, the fixing block 52 is held by hand to drive the sliding rod 4 away from the fixing frame 21, and then the fixing block 52 is rotated so that the side wall of the fixing block 52 is fitted with the side wall of the horizontal bar of the locking frame 3, so that the sliding rod 4 is completely moved to the inside of the locking frame 3, the fixation of the fixing frame 21 is released, and the shell 2 can be disassembled, which is very convenient and practical.

[0030] like Figure 1 and Figure 4As shown, in one embodiment, a groove 7 is provided on the outer side wall of the housing 2, and a threaded rod 8 is rotatably installed on the inner side wall of the groove 7. The threaded rod 8 penetrates the groove 7 and extends to the top wall of the base 1. Threaded grooves with opposite rotation directions are provided at both ends of the side wall of the threaded rod 8. Two clamping plates 81 are spirally installed on the side wall of the threaded rod 8. The two clamping plates 81 are axially symmetrically distributed and are located on the side walls of the threaded grooves in opposite directions of the threaded rod 8. A handle 82 is fixedly installed on the top wall of the threaded rod 8. The setting of the handle 82 facilitates the staff to rotate the threaded rod 8 to drive the two clamping plates 81 to move.

[0031] After the surge protector is placed, the protection device is placed on the guide rail so that the guide rail is between the two clamping plates 81. Then, the handle 82 is turned, and the handle 82 drives the threaded rod 8 to rotate, so that the two clamping plates 81 move toward each other, thereby clamping the guide rail and fixing the device. When the device is subsequently repaired and disassembled, the handle 82 can be directly turned to make the two clamping plates 81 gradually move away from the guide rail, thereby disassembling the device, making repair and replacement more convenient.

[0032] The specific working method is: align the fixing frame 21 with the limiting groove 12, so that the fixing frame 21 is inserted into the limiting groove 12, and then the fixing block 52 is held by hand to drive the annular plate 5 to rotate, and the rotation of the annular plate 5 drives the slide bar 4 to rotate, so that the fixing block 52 is between the two horizontal plates of the locking frame 3. At this time, under the action of the spring 6, the slide bar 4 is driven to move toward the limiting groove 12, so that the slide bar 4 is engaged with the fixing frame 21, and the housing 2 is fixed, thereby fixing the surge protector placed on the base 1. When disassembling later, the fixing block 52 is held by hand to drive the slide bar 4 away from the fixing frame 21, and then the fixing block 52 is rotated to make the fixing block 52 The side walls of the locking frame 3 fit with the side walls of the crossbar of the locking frame 3, so that the sliding rod 4 is completely moved into the interior of the locking frame 3, releasing the fixation of the fixing frame 21, and the shell 2 is disassembled. After the surge protector is placed, the protection device is placed on the guide rail so that the guide rail is between the two clamping plates 81, and then the handle 82 is turned, and the handle 82 drives the threaded rod 8 to rotate, so that the two clamping plates 81 move toward each other, thereby clamping the guide rail and fixing the device. When the device is subsequently repaired and disassembled, the handle 82 can be directly turned to make the two clamping plates 81 gradually move away from the guide rail, thereby disassembling the device, making repair and replacement more convenient.

[0033] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A lightning surge protection housing for a power supply, comprising a base (1), a top wall of the base (1) being provided with a housing (2), characterized in that: Also includes; Two locking frames (3), the two locking frames (3) are respectively fixedly mounted on the two side walls of the base (1), a sliding rod (4) is slidably mounted inside the locking frame (3), a fixing plate (42) is fixedly mounted on the side wall of the sliding rod (4), a spring (6) is sleeved on the side wall of the sliding rod (4), two sliding grooves (41) are provided on the side wall of the sliding rod (4), an annular plate (5) is slidably mounted on the side wall of the sliding rod (4), two sliding blocks (51) are fixedly mounted on the inner side wall of the annular plate (5), the two sliding blocks (51) are respectively slidably mounted on the inner side walls of the two sliding grooves (41), and two fixing blocks (52) are fixedly mounted on the outer side wall of the annular plate (5); Two limiting grooves (12) are provided on the top wall surface of the base (1), and the side walls of the two limiting grooves (12) are provided with through grooves (13). Two fixing frames (21) are fixedly mounted on the bottom wall surface of the shell (2), and the two fixing frames (21) correspond to the two limiting grooves (12) respectively.

2. The lightning surge protection housing for power supply according to claim 1, characterized in that: The locking frame (3) is composed of two horizontal plates and a sleeve, and the longitudinal section of the locking frame (3) is in the shape of an "I".

3. The lightning surge protection housing for power supply according to claim 2, characterized in that: The top wall surface of the base (1) is provided with a plurality of slots (11), and the inner top wall surface of the shell (2) is also provided with a plurality of slots (11).

4. The lightning surge protection housing for power supply according to claim 1, characterized in that: The side wall of the slide bar (4) close to the base (1) is inclined, and the slide bar (4) is slidably installed inside the through groove (13).

5. The protective housing for power supply against lightning surge according to claim 1, characterized in that: The outer side wall of the shell (2) is provided with a groove (7), the inner side wall of the groove (7) is rotatably mounted with a threaded rod (8), the threaded rod (8) passes through the groove (7) and extends to the top wall of the base (1), two clamping plates (81) are spirally mounted on the side wall of the threaded rod (8), and a handle (82) is fixedly mounted on the top wall of the threaded rod (8).

6. The lightning surge protection housing for power supply according to claim 5, characterized in that: The two ends of the side wall of the threaded rod (8) are provided with thread grooves with opposite rotation directions, and the two clamping plates (81) are axially symmetrically distributed and are located on the side walls of the thread grooves of the threaded rod (8) with opposite rotation directions.

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