CN219395246U - Safety protection box for direct current blocker - Google Patents

Abstract

The utility model discloses a safety protection box of a direct current blocker, which comprises a protection casing, wherein a through groove is formed in the front surface of the protection casing, a pushing connecting plate is connected to one side of the inner wall of the through groove in a penetrating way, four supporting vertical plates are fixedly arranged at the top end of the pushing connecting plate, balance connecting rods are connected between every two opposite supporting vertical plates in a penetrating way, and two U-shaped pushing plates are fixedly connected between the two balance connecting rods. According to the utility model, the direct current blocking device to be installed is placed between the limiting pressing plate and the fixed clamping plate, the adjusting screw is rotated, so that the adjusting screw moves upwards to push the connecting plate to move upwards, the U-shaped push plate can be pushed to move upwards through the supporting vertical plate and the balance connecting rod, the connecting cushion block is pushed to move upwards, the reset spring is contracted, the push connecting rod penetrates through the limiting separation plate to push the limiting pressing plate to move upwards, the limiting pressing plate and the fixed clamping plate are clamped, and then the direct current blocking device can be installed in a circuit.

Description

Safety protection box for direct current blocker

Technical Field

The utility model relates to the technical field of protection installation, in particular to a safety protection box of a direct current blocker.

Background

The direct current blocker and the on-load voltage regulating are both voltage regulating modes of the transformer tapping switch, and the difference is that the off-load voltage regulating switch does not have the capacity of switching the gear with load, because the tapping switch has a short-time disconnection process in the gear switching process, the off-load current can cause arcing between contacts to burn out the tapping switch or short circuit, so the transformer must be powered off in gear switching, and the on-load tapping switch is generally used for transformers with less strict voltage requirements and without frequent gear shifting, and can switch the gear with load because the on-load tapping switch does not have a short-time disconnection process in the gear shifting process, thereby the arcing process of switching the load current does not exist, and the on-load tapping switch is generally used for transformers with strict voltage requirements and frequent gear shifting.

Because the current-cutting switch characteristic of direct current blocking device, in order to avoid touching direct current blocking device by mistake, often install direct current blocking device in the protective case, and when carrying out direct current blocking device installation, be difficult to carry out the short-term spacing to it, be inconvenient for direct current blocking device and external circuit equipment.

Disclosure of Invention

The utility model aims to provide a safety protection box of a direct current blocker, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the safety protection box for the direct current blocker comprises a protective casing, wherein a positioning through groove is formed in the front surface of the protective casing, a pushing connecting plate is connected to one side of the inner wall of the positioning through groove in a penetrating manner, four supporting vertical plates are fixedly arranged at the top end of the pushing connecting plate, balance connecting rods are connected between every two opposite supporting vertical plates in a penetrating manner, two U-shaped push plates are fixedly connected between the two balance connecting rods, two lifting push handles are fixedly connected between one ends of the U-shaped push plates, supporting connecting plates are fixedly connected to the center of each U-shaped push plate, supporting blocks are fixedly connected between the top ends of the two supporting connecting plates, a limiting partition plate is fixedly connected to the center of the inner wall of the positioning through groove, a connecting cushion block is connected to the bottom end of the limiting partition plate through a plurality of reset springs, each supporting block and each lifting push handle are fixedly connected with the corresponding connecting cushion block, the top end of each connecting cushion block is fixedly connected with a pushing connecting rod, each pushing connecting rod is connected with a limiting partition board in a penetrating way, the center of the inside of the protective sleeve shell is provided with a limiting chute, the limiting chute is connected with a limiting pressing plate in a sliding way through a connecting sliding block, each pushing connecting rod is contacted with the limiting pressing plate, the center of the bottom end of the protective sleeve shell is connected with an adjusting screw in a threaded way, one end of the adjusting screw extends to a positioning through groove and is contacted with a pushing connecting plate, the purpose of the arrangement is to place a direct current blocking device to be installed between the limiting pressing plate and a fixed clamping plate, then the adjusting screw is rotated, the adjusting screw moves upwards to enable the pushing connecting plate to move upwards, the U-shaped pushing plate can be pushed upwards through a supporting vertical plate and a balancing connecting rod, the connecting cushion block is pushed upwards to shrink, and the pushing connecting rod passes through the limiting partition plate to push the limiting pressing plate to move upwards, so that the direct current blocker can be clamped through the limiting pressing plate and the fixed clamping plate, and then the direct current blocker can be installed in a circuit.

Preferably, the top of the inner wall of the arrangement through groove is fixedly connected with a fixed clamping plate.

Preferably, the top end of the protective casing is connected with a protective baffle in a penetrating way.

Preferably, two limiting through holes are formed in the top of the front face of the protective partition plate.

Preferably, the both sides on protective housing top are all fixed and are equipped with the balanced lantern ring, every the screw thread has all been seted up to the inside of balanced lantern ring.

Preferably, each balance lantern ring is internally and uniformly connected with a limit bolt in a threaded manner, and the limit bolts are opposite to the limit through holes.

The utility model has the technical effects and advantages that:

(1) When the device is used, the direct current blocker to be installed is placed between the limiting pressing plate and the fixed clamping plate, then the adjusting screw is rotated, so that the adjusting screw moves upwards to push the connecting plate to move upwards, the U-shaped push plate can be pushed to move upwards through the supporting vertical plate and the balance connecting rod, the connecting cushion block is pushed to move upwards, the reset spring is contracted, the push connecting rod penetrates through the limiting partition plate to push the limiting pressing plate to move upwards, the limiting pressing plate and the fixed clamping plate are clamped, and then the direct current blocker can be installed in a circuit;

(2) The device can downwards move the protective partition plate to seal and protect the direct current blocker, and then the limit bolt is rotated, so that the limit bolt is connected with the limit through hole opposite to the position in a penetrating way, and the protective partition plate can be limited.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a connection structure between an adjusting screw and a limiting pressing plate.

Fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a protective casing; 2. a through groove is arranged; 3. pushing the connecting plate; 4. adjusting a screw; 5. a supporting vertical plate; 6. a balance link; 7. a U-shaped push plate; 8. supporting the connecting plate; 9. lifting the push handle; 10. connecting cushion blocks; 11. a limiting baffle; 12. pushing the connecting rod; 13. a limit pressing plate; 14. a limit bolt; 15. limiting sliding grooves; 16. a fixed clamping plate; 17. a protective barrier; 18. balance collar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a direct current blocker safety protection box as shown in figures 1-3, which comprises a protection casing 1, wherein a mounting through groove 2 is formed in the front surface of the protection casing 1, a pushing connecting plate 3 is fixedly connected to one side of the inner wall of the mounting through groove 2 in a penetrating way, four supporting vertical plates 5 are fixedly arranged at the top ends of the pushing connecting plates 3, a balance connecting rod 6 is fixedly connected between every two opposite supporting vertical plates 5 in a penetrating way, two U-shaped push plates 7 are fixedly connected between the two balance connecting rods 6, two lifting push handles 9 are fixedly connected between one ends of the two U-shaped push plates 7, supporting connecting plates 8 are fixedly connected to the center of each U-shaped push plate 7, limiting partition plates 11 are fixedly connected to the center of the inner wall of the mounting through groove 2, connecting cushion blocks 11 are fixedly connected to the bottom ends of the limiting partition plates through a plurality of reset springs, pushing connecting rods 12 are fixedly connected to the top ends of the connecting cushion blocks 10, each pushing connecting rod 12 is fixedly connected to the top ends of the limiting cushion blocks 12, the center of the limiting connecting rods 11 are fixedly connected to the limiting slide plates 1 in a penetrating way, the center of the limiting slide grooves 13 are connected to the limiting slide grooves 4, and the limiting slide grooves 13 are connected to the center of the limiting slide plates 4 in a sliding way, and the center of the limiting slide grooves 4 are connected to the center of the limiting slide plates 4, and the limiting slide grooves 13 are connected to the limiting slide plates 4;

the top fixedly connected with fixed splint 16 of settling logical groove 2 inner wall, the top of protective housing 1 alternates and is connected with protective baffle 17, and two spacing through-holes have all been seted up at protective baffle 17 positive top, and the both sides on protective housing 1 top are all fixed and are equipped with balanced lantern ring 18, and the screw thread is all seted up to the inside of every balanced lantern ring 18, and the inside of every balanced lantern ring 18 is all threaded connection has spacing bolt 14, and spacing bolt 14 is just right with spacing through-hole position.

The working principle of the utility model is as follows: when the device is used, the direct current blocker to be installed is placed between the limiting pressing plate 13 and the fixed clamping plate 16, then the adjusting screw 4 is rotated, the adjusting screw 4 moves upwards to push the connecting plate 3 upwards, the U-shaped push plate 7 is pushed upwards through the supporting vertical plate 5 and the balance connecting rod 6, the connecting cushion block 10 is pushed upwards to be pushed to shrink, the connecting rod 12 is pushed to push the limiting pressing plate 13 upwards through the limiting partition plate 11, the direct current blocker is clamped through the limiting pressing plate 13 and the fixed clamping plate 16, the direct current blocker can be installed in a circuit, the direct current blocker can be sealed and protected by the downward-moving protective partition plate 17, and then the limiting bolt 14 is rotated, so that the limiting bolt 14 is connected with a limiting through hole opposite to the position in an penetrating way, and the protective partition plate 17 can be limited.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

Standard parts used by the utility model can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. The utility model provides a direct current blocking ware safety protection box, includes protective housing (1), its characterized in that: the front of the protective sleeve shell (1) is provided with a positioning through groove (2), one side of the inner wall of the positioning through groove (2) is connected with a pushing connecting plate (3) in a penetrating way, the top of the pushing connecting plate (3) is fixedly provided with four supporting vertical plates (5), each two opposite supporting vertical plates (5) are connected with a balancing connecting rod (6) in a penetrating way, two U-shaped push plates (7) are fixedly connected between the balancing connecting rods (6), two lifting push handles (9) are fixedly connected between one ends of the U-shaped push plates (7), each U-shaped push plate (7) is fixedly connected with a supporting connecting plate (8) at the center, two supporting connecting plates (8) are fixedly connected with supporting blocks at the top ends of the supporting connecting plates (8), the center of the inner wall of the positioning through groove (2) is fixedly connected with a limiting partition plate (11), the bottom of the limiting partition plate (11) is connected with a connecting cushion block (10) through a plurality of reset springs, each supporting block and the lifting push handles (9) are fixedly connected with a connecting cushion block (10) opposite to the position, each supporting block is fixedly connected with a limiting connecting cushion block (10), each connecting rod (12) is fixedly connected with the top of the limiting partition plate (12), limiting sliding grooves (15) are connected with limiting pressing plates (13) in a sliding mode through connecting sliding blocks, each pushing connecting rod (12) is in contact with the limiting pressing plate (13), an adjusting screw (4) is connected with the center of the bottom end of the protective casing (1) in a threaded mode, one end of the adjusting screw (4) extends to the arranging through groove (2), and the adjusting screw is in contact with the pushing connecting plate (3).

2. The dc breaker safety protection box of claim 1, wherein: the top of the inner wall of the arrangement through groove (2) is fixedly connected with a fixed clamping plate (16).

3. The dc breaker safety protection box of claim 1, wherein: the top end of the protective casing (1) is connected with a protective baffle plate (17) in a penetrating way.

4. A dc breaker safety protection box according to claim 3, characterized in that: two limiting through holes are formed in the top of the front face of the protective partition plate (17).

5. The dc breaker safety protection box of claim 4, wherein: both sides on the top end of the protective sleeve shell (1) are fixedly provided with balance lantern rings (18), and threads are formed in the balance lantern rings (18).

6. The dc breaker safety protection box of claim 5, wherein: and each balance lantern ring (18) is internally and uniformly connected with a limit bolt (14) in a threaded manner, and the limit bolts (14) are opposite to the limit through holes.