Electrical junction box

Abstract

The utility model discloses an electrical junction box which comprises a box body, the bottom of the inner wall of the box body is fixedly connected with a lower pressing plate, an upper pressing plate is arranged above the lower pressing plate, the top of the upper pressing plate is provided with a fixing device, and the fixing device comprises a pressing plate which is fixedly connected to the top of the upper pressing plate. The utility model relates to the technical field of electrical connection boxes, through the cooperation of a pressing plate, a rack and a spring, when an electric wire is fixed, the pressing plate is pressed down, the rack drives a gear to rotate, a ratchet wheel is clamped on the outer wall of a clamping block, the ratchet wheel extrudes the clamping block when rotating, and when the ratchet wheel stops rotating, the clamping block can rotate under the action of the spring, so that the electric wire is fixed. And the outer wall of the ratchet wheel is clamped to fix the ratchet wheel, so that the fixation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connection boxes, in particular to an electrical connection box. Background Art

[0002] The electrical connection boxes currently on the market all adjust the axial height by rotating the movable adjustment ring to meet certain installation and wiring requirements. However, this rotating adjustment structure is only suitable for circular boxes and is not suitable for other non-circular structures (wiring cavity shapes), such as 1.5x boxes (square). The 1.5x (square) boxes currently on the market do not have an adjustment function and cannot meet the needs of different scenarios.

[0003] For example, an electrical connection box with application number CN202310289811.7 includes a main body, a wiring cavity is provided in the main body, an adjustment ring is installed in the wiring cavity, groove plates are symmetrically provided on the front and rear inner walls of the wiring cavity, slider mounting cavities are provided at the front and rear ends of the adjustment ring at positions corresponding to the groove plates, a slider assembly is installed in the slider mounting cavity, and the upward and downward adjustment and locking of the adjustment ring are achieved through the movable connection between the slider assembly and the groove plate. The box is suitable for both circular wiring boxes and non-circular wiring boxes.

[0004] However, in actual use, after the wires are connected, workers need to use bolts to press the pressure plate against the outer wall of the wires to prevent the wires from breaking when they are pulled after connection. However, since the bolts need to be removed when the wires are disassembled in the connection box, it is inconvenient for workers in actual operation. Utility Model Content

[0005] In response to the deficiencies of the prior art, the present invention provides an electrical junction box, which solves the problem that in actual use, after the wires are connected, workers need to use bolts to press a pressure plate against the outer wall of the wires to prevent the wires from breaking when they are pulled after connection. However, since the bolts need to be removed when the wires are disassembled from the junction box, it is inconvenient for workers in actual operation.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: an electrical junction box, comprising a box body, a lower pressure plate fixedly connected to the bottom of the inner wall of the box body, an upper pressure plate is provided above the lower pressure plate, and a fixing device is installed on the top of the upper pressure plate, wherein the fixing device comprises: a pressure plate fixedly connected to the top of the upper pressure plate; a rack is provided, which is respectively fixedly connected to the two sides of the top of the pressure plate; a gear is provided, which is meshed and connected to the side walls of the two racks away from each other and is rotatably connected to the inner wall of the box body through a bearing; a ratchet is provided with two, which are respectively fixed to the back sides of the two gears; a card block is clamped on the outer wall of the ratchet; a spring is pressed tightly between the card block and the box body; wherein, the gear drives the ratchet to rotate, and through the meshing of the gear and the rack, when the pressure plate drives the upper pressure plate to move downward, the card block will be clamped on the outer wall of the ratchet under the drive of the spring, fixing the position of the upper pressure plate.

[0007] Preferably, an adjusting device is installed on the top of the card block, and the adjusting device includes: a pull rod, which is fixedly connected to the top of the card block, inserted into the inner wall of the spring, and passes through the box body and is movably connected to the box body; a connecting plate, which is fixedly connected to the top of the pull rod; wherein, the card block and the ratchet are separated by the cooperation of the connecting plate and the pull rod.

[0008] Preferably, the outer wall of the pressure plate is installed with a reset structure, and the reset structure includes: two limiting columns, which are respectively arranged on both sides of the pressure plate and fixedly connected to the inner wall of the box body; a reset spring, which is sleeved on the outer wall of the limiting column and pressed against the bottom of the inner wall of the box body; a mounting block, which is fixedly connected to the outer wall of the pressure plate, sleeved on the outer wall of the limiting column, and pressed against the top of the reset spring; wherein, through the cooperation of the reset spring and the mounting block, the connecting plate is pulled, so that the pressure plate moves upward along the limiting column, thereby separating the upper pressure plate and the lower pressure plate.

[0009] Preferably, a baffle is attached to the front of the box body, a fixing block is inserted into the back of the baffle, an outer wall of the fixing block is fixedly connected to the inner wall of the box body, and a connecting hole is opened on the outer wall of the baffle.

[0010] Preferably, a protective plate is provided above the connecting plate, the bottom of the protective plate is slidably engaged with a card strip, and the bottom of the card strip is fixedly connected to the top of the box body.

[0011] Beneficial effects

[0012] The utility model provides an electrical junction box having the following beneficial effects: the electrical junction box cooperates with a pressure plate, a rack, and a spring. When fixing the wires, the pressure plate is pressed downward, causing the rack to drive the gear to rotate, and the ratchet is clamped on the outer wall of the clamping block. When the ratchet rotates, it squeezes the clamping block. When it stops rotating, the clamping block is clamped on the outer wall of the ratchet under the action of the spring, thereby fixing it, making fixing more convenient.

[0013] Through the cooperation of the reset spring, the mounting block and the limit column, when the connecting plate is pulled, the pull rod will separate the block and the ratchet, and under the action of the reset spring, the mounting block with the pressure plate will move upward, separating the upper pressure plate and the lower pressure plate, and the limit column can ensure that the pressure plate is stable during movement, making it convenient for staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the middle rack, box body and ratchet;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the middle limit column, pressure plate and gear.

[0018] In the figure: 1. Box body; 2. Fixing device; 21. Pressure plate; 22. Rack; 23. Gear; 24. Ratchet; 25. Block; 26. Spring; 3. Adjusting device; 31. Pull rod; 32. Connecting plate; 4. Reset structure; 41. Limiting column; 42. Reset spring; 43. Mounting block; 11. Lower pressure plate; 12. Upper pressure plate; 13. Fixing block; 14. Baffle; 15. Protective plate; 16. Card strip; 17. Connecting hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In actual use, after the wires are connected, workers need to use bolts to press the pressure plate against the outer wall of the wires to prevent the wires from breaking when they are pulled after connection. However, since the bolts need to be removed when the wires are disassembled in the connection box, it is inconvenient for workers in actual operation.

[0021] In view of this, the present invention provides an electrical junction box, which solves the problem that in actual use, after the wires are connected, workers need to use bolts to press the pressure plate against the outer wall of the wires to prevent the wires from breaking when they are pulled after connection. However, since the bolts need to be removed when the wires are disassembled in the junction box, it is inconvenient for workers in actual operation.

[0022] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process.

[0023] Example 1: By Figures 1 to 4 It can be seen that an electrical junction box includes a box body 1, a lower pressing plate 11 is fixedly connected to the bottom of the inner wall of the box body 1, an upper pressing plate 12 is provided above the lower pressing plate 11, and a fixing device 2 is installed on the top of the upper pressing plate 12. The fixing device 2 includes: a pressing plate 21, fixedly connected to the top of the upper pressing plate 12; two racks 22 are provided, which are respectively fixedly connected to the two sides of the top of the pressing plate 21; two gears 23 are provided, which are meshed and connected to the side walls of the two racks 22 away from each other, and are connected by an axis. The bearing is rotatably connected to the inner wall of the box body 1; two ratchets 24 are provided, which are respectively fixed to the back sides of the two gears 23; a clamping block 25 is clamped to the outer wall of the ratchet 24; a spring 26 is pressed tightly between the clamping block 25 and the box body 1; wherein, the gear 23 drives the ratchet 24 to rotate, and through the engagement of the gear 23 and the rack 22, when the pressure plate 21 drives the upper pressure plate 12 to move downward, the clamping block 25 will be clamped to the outer wall of the ratchet 24 under the drive of the spring 26, thereby fixing the position of the upper pressure plate 12;

[0024] In the specific implementation process, it is worth noting that, under the cooperation of the pressing plate 21, the rack 22 and the spring 26, when the wire is fixed, the pressing plate 21 is pressed down, so that the rack 22 drives the gear 23 to rotate, and the ratchet 24 is stuck on the outer wall of the block 25. When the ratchet 24 rotates, it squeezes the block 25. When it stops rotating, the block 25 is stuck on the outer wall of the ratchet 24 under the action of the spring 26, fixing it, making it more convenient to fix;

[0025] Furthermore, an adjustment device 3 is installed on the top of the block 25. The adjustment device 3 includes: a pull rod 31, which is fixedly connected to the top of the block 25 and inserted into the inner wall of the spring 26, and passes through the box body 1 and is movably connected to the box body 1; a connecting plate 32, which is fixedly connected to the top of the pull rod 31; wherein, the block 25 and the ratchet 24 are separated by the cooperation of the connecting plate 32 and the pull rod 31;

[0026] In the specific implementation process, it is worth noting that, under the cooperation of the pull rod 31, the spring 26 and the block 25, when removing the wires, the connecting plate 32 is pulled, so that the pull rod 31 drives the block 25 to move and separate from the ratchet 24, so that the pressure plate 21 drives the lower pressure plate 12 and the upper pressure plate 11 to separate;

[0027] Furthermore, a reset structure 4 is installed on the outer wall of the pressure plate 21. The reset structure 4 includes: two limit posts 41, which are respectively arranged on both sides of the pressure plate 21 and fixedly connected to the inner wall of the box body 1; a reset spring 42, which is sleeved on the outer wall of the limit post 41 and pressed against the bottom of the inner wall of the box body 1; a mounting block 43, which is fixedly connected to the outer wall of the pressure plate 21, sleeved on the outer wall of the limit post 41, and pressed against the top of the reset spring 42; wherein, through the cooperation of the reset spring 42 and the mounting block 43, the connecting plate 32 is pulled, so that the pressure plate 21 moves upward along the limit post 41, thereby separating the lower pressure plate 11 and the upper pressure plate 12;

[0028] During the specific implementation process, it is worth noting that, under the cooperation of the return spring 42, the mounting block 43 and the limiting column 41, when the connecting plate 32 is pulled, the pull rod 31 will separate the block 25 from the ratchet 24, and under the action of the return spring 42, the mounting block 43 and the pressure plate 21 will move upward, so that the upper pressure plate 12 and the lower pressure plate 11 are separated, and the limiting column 41 can ensure that the pressure plate 21 is stable during movement, making it convenient for staff to use;

[0029] Specifically, when using the electrical junction box, when fixing the wires, the pressure plate 21 is pressed, so that the rack 22 drives the gear 23 to rotate, and the ratchet 24 will be stuck in the outer wall of the block 25, and the ratchet 24 will squeeze the block 25 when rotating, and when it stops rotating, the block 25 will be stuck in the outer wall of the ratchet 24 under the action of the spring 26. Conversely, when disassembling, the connecting plate 32 is pulled to make the pull rod 31 drive the block 25 to move and separate from the ratchet 24, so that the pressure plate 21 drives the lower pressure plate 12 to separate from the upper pressure plate 11, and under the action of the reset spring 42, the mounting block 43 moves the pressure plate 21 upward, so that the upper pressure plate 12 and the lower pressure plate 11 are separated, and the limiting column 41 can ensure that the pressure plate 21 is stable when moving, making it convenient for the staff to use.

[0030] Example 2: By Figure 1-4As can be seen, the front of the box body 1 is attached with a baffle 14, the back of the baffle 14 is plugged with a fixing block 13, the outer wall of the fixing block 13 is fixedly connected to the inner wall of the box body 1, and the outer wall of the baffle 14 is provided with a connecting hole 17. After wiring, the connecting hole 17 is filled with insulating sealant to ensure the sealing of the interior of the box body 1;

[0031] In the specific implementation process, it is worth noting that, under the cooperation of the baffle 14, the box body 1 and the fixing block 13, when installing the baffle 14, the baffle 14 is inserted into the fixing block 13, and the baffle 14 is fixed to the outer wall of the box body 1;

[0032] Furthermore, a protective plate 15 is provided above the connecting plate 32, and a clip 16 is slidably engaged at the bottom of the protective plate 15, and the bottom of the clip 16 is fixedly connected to the top of the box body 1. A sealing gasket is provided between the bottom of the protective plate 15 and the box body 1 to achieve a sealing effect;

[0033] In the specific implementation process, it is worth noting that, with the cooperation of the protective plate 15 and the clamping strip 16, the protective plate 15 is used to protect the connecting plate 32, and the sliding engagement between the protective plate 15 and the clamping strip 16 makes the protective plate 15 easy to install;

[0034] Specifically, based on the above embodiment, after the wires are fixed, the baffle 14 is inserted into the wires and fixed with the fixing block 13 to facilitate installation, and the connecting plate 32 is fixed with the protective plate 15 to prevent the connecting plate 32 from being accidentally touched.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "including an element defined by..." does not exclude the presence of other identical elements in the process, method, article or device that includes the element."

[0036] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electrical junction box, comprising a box body (1), characterized in that: A lower pressing plate (11) is fixedly connected to the bottom of the inner wall of the box body (1), an upper pressing plate (12) is provided above the lower pressing plate (11), and a fixing device (2) is installed on the top of the upper pressing plate (12), and the fixing device (2) comprises: A pressing plate (21) is fixedly connected to the top of the upper pressing plate (12); Two racks (22) are provided and fixedly connected to both sides of the top of the pressing plate (21); Two gears (23) are provided, meshingly connected to the side walls of the two racks (22) that are away from each other, and rotatably connected to the inner wall of the box body (1) through bearings; Two ratchets (24) are provided and fixed to the back sides of the two gears (23) respectively; A clamping block (25) is clamped to the outer wall of the ratchet (24); A spring (26) is pressed tightly between the clamping block (25) and the box body (1); The gear (23) drives the ratchet (24) to rotate, and through the meshing of the gear (23) and the rack (22), when the pressure plate (21) drives the upper pressure plate (12) to move downward, the clamping block (25) is clamped on the outer wall of the ratchet (24) under the drive of the spring (26), thereby fixing the position of the upper pressure plate (12).

2. The electrical junction box according to claim 1, characterized in that: An adjusting device (3) is installed on the top of the clamping block (25), and the adjusting device (3) comprises: The pull rod (31) is fixedly connected to the top of the clamping block (25), plugged into the inner wall of the spring (26), and passes through the box body (1) to be movably connected to the box body (1); A connecting plate (32) is fixedly connected to the top of the pull rod (31); The block (25) and the ratchet (24) are separated by the cooperation of the connecting plate (32) and the pull rod (31).

3. The electrical junction box according to claim 2, characterized in that: The outer wall of the pressing plate (21) is provided with a reset structure (4), and the reset structure (4) comprises: There are two limiting columns (41), which are respectively arranged on both sides of the pressure plate (21) and fixedly connected to the inner wall of the box body (1); A return spring (26) is sleeved on the outer wall of the limiting column (41) and pressed against the bottom of the inner wall of the box body (1); The mounting block (43) is fixedly connected to the outer wall of the pressure plate (21), sleeved on the outer wall of the limiting column (41), and pressed against the top of the return spring (26); The connection plate (32) is pulled by the cooperation of the return spring (26) and the mounting block (43), so that the pressure plate (21) moves upward along the limiting column (41), thereby separating the upper pressure plate (12) and the lower pressure plate (11).

4. The electrical junction box according to claim 1, wherein: The front of the box body (1) is fitted with a baffle (14), the back of the baffle (14) is plugged with a fixing block (13), the outer wall of the fixing block (13) is fixedly connected to the inner wall of the box body (1), and the outer wall of the baffle (14) is provided with a connecting hole (17).

5. The electrical junction box according to claim 2, characterized in that: A protective plate (15) is provided above the connecting plate (32), and a clamping strip (16) is slidably engaged at the bottom of the protective plate (15), and the bottom of the clamping strip (16) is fixedly connected to the top of the box body (1).

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