CN218997839U

CN218997839U - Junction box of stepping motor

Info

Publication number: CN218997839U
Application number: CN202320022344.7U
Authority: CN
Inventors: 李小龙; 陈翔宇; 祝汉艺
Original assignee: Shenzhen Longfa Hi Tech Co ltd
Current assignee: Shenzhen Longfa Hi Tech Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-09
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a junction box of a stepping motor, which comprises a junction box body, wherein a first threading opening is formed in the right side of the junction box body, a line concentration box is arranged on the right side of the junction box body, a line outlet hole is formed in the right side of the line concentration box, a cover plate is detachably connected to the top of the line concentration box, a circuit board is arranged on the inner thread of the junction box body, baffles are arranged on the inner wall of the junction box body, and first screw holes are formed in the upper side of the baffles.

Description

Junction box of stepping motor

Technical Field

The utility model belongs to the technical field of junction boxes, and particularly relates to a junction box of a stepping motor.

Background

In-process at the motor use often needs to be at outdoor wiring, often need use waterproof power cord terminal box to protect the power cord wiring end when outdoor wiring, avoid the junction to have steam infiltration to get into inside the power cord, steam infiltration gets into the power cord can lead to the inside insulation resistance of power cord to descend, avoid causing electric power accidents such as short circuit, waterproof power cord terminal box is generally all airtight box body structure, airtight box body structure is provided with waterproof sealing circle all around, then fix it through a lid, often be difficult to connect closely between box body and the lid for the box body still has the possibility of intaking.

To sum up, the existing junction box is single in structure, difficult to connect different power lines, low in practicality and poor in general waterproof effect, and when the power line connector is located in the open air, power transmission is affected.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the junction box of the stepping motor, which has the advantage of convenient use, and solves the problems that the existing junction box is single in structure, difficult to connect different power lines, low in practicality and poor in general waterproof effect, and when a power line connector is positioned in an open air condition, the power transmission is affected.

The utility model discloses a junction box of a stepping motor, which comprises a junction box body, wherein a first threading opening is formed in the right side of the junction box body, a line concentration box is arranged on the right side of the junction box body, a line outlet hole is formed in the right side of the line concentration box, a cover plate is detachably connected to the top of the line concentration box, a circuit board is arranged on the internal threads of the junction box body, baffles are arranged on the inner wall of the junction box body, first screw holes are formed in the upper side of the baffles, a waterproof layer is arranged on the upper side of the baffles, second screw holes are uniformly formed in the top of the junction box body, an upper cover is detachably arranged on the top of the junction box body, third screw holes are uniformly formed in the upper side of the upper cover, waterproof pads are fixedly arranged in the junction box body and the upper cover, and line inlet holes are formed in the left side of the junction box body.

In the utility model, preferably, a first positioning screw is mounted on the upper side of the cover plate in a threaded manner, and the line concentration box and the cover plate are mounted by using the first positioning screw.

Preferably, the second positioning screw is arranged on the upper side of the waterproof layer in a threaded manner, and the baffle and the waterproof layer are arranged by using the second positioning screw.

As a preferable mode of the utility model, a third screw hole corresponding to the second screw hole is formed on the surface of the junction box body, and a third positioning screw rod is arranged on the upper side threads of the junction box body and the upper cover.

Preferably, the front side and the rear side of the junction box body are provided with radiating fins, and the upper sides of the radiating fins are provided with metal radiating plates in an array mode.

As a preferable mode of the utility model, a base frame is mounted at the bottom of the junction box body, a fourth positioning screw is mounted on the upper side of the base frame in a threaded manner, and the junction box body and the base frame are mounted by using the fourth positioning screw.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the line concentration box is arranged, the power lines are arranged in the line concentration box in a penetrating way, the line concentration box is made of rubber material and is used for isolating moisture outside the junction box body, preventing the moisture from entering the junction box body to affect the power lines connected inside the junction box body, the waterproof layer and the waterproof pad are arranged, the waterproof pad is ensured to play a waterproof role, meanwhile, the connection between the power lines inside the junction box body is not affected, a certain space is reserved for heat dissipation between the power lines, the sealing effect is better, and the cost is lower.

2. According to the utility model, the first positioning screw is arranged to play a role in connecting the line concentration box with the cover plate, and the cover plate can be installed at the top of the line concentration box by using the first positioning screw.

3. According to the waterproof layer fixing device, the second positioning screw is arranged, so that the waterproof layer is conveniently fixed on the upper side of the baffle, and the waterproof layer is conveniently taken down from the upper side of the baffle.

4. According to the waterproof terminal box, the junction box body and the upper cover can be connected through the second screw hole and the third screw hole, the junction box body, the upper cover and the waterproof pad are fastened through the third positioning screw rod, moisture is prevented from entering the junction box body, meanwhile, the waterproof terminal box is convenient to disassemble and assemble, and waterproof effect can be achieved.

5. According to the utility model, the radiating fins are of the metal block structure, the metal radiating plates are arranged on the parts, which are positioned outside the junction box body, of the radiating fins, and the heat in the junction box body is quickly transferred to the outside of the junction box body through the metal radiating plates, so that the work of a power line is prevented from being influenced.

6. According to the utility model, the base frame is arranged, so that the function of supporting the junction box body is achieved, and the junction box body and the base frame can be installed by utilizing the fourth positioning screw.

Drawings

FIG. 1 is a right side perspective view provided by an embodiment of the present utility model;

FIG. 2 is a left side perspective view provided by an embodiment of the present utility model;

FIG. 3 is a schematic view of a cover plate according to an embodiment of the present utility model;

fig. 4 is a schematic view of a waterproof layer according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a waterproof pad provided by an embodiment of the present utility model;

FIG. 6 is a schematic view of an upper cover provided by an embodiment of the present utility model;

FIG. 7 is a front view provided by an embodiment of the present utility model;

fig. 8 is a schematic view of a base frame provided by an embodiment of the present utility model.

In the figure: 1. a junction box body; 2. a first threading opening; 3. a line concentration box; 4. a wire outlet hole; 5. a cover plate; 6. a first positioning screw; 7. a circuit board; 8. a baffle; 9. a first screw hole; 10. a waterproof layer; 11. a second positioning screw; 12. a second screw hole; 13. an upper cover; 14. a third screw hole; 15. a third positioning screw; 16. a waterproof pad; 17. a heat sink; 18. a metal heat dissipation plate; 19. a base frame; 20. a fourth set screw; 21. and a wire inlet hole.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 8, the junction box of the stepper motor provided by the embodiment of the utility model comprises a junction box body 1, wherein a first threading opening 2 is formed in the right side of the junction box body 1, a line concentration box 3 is installed on the right side of the junction box body 1, a wire outlet 4 is formed in the right side of the line concentration box 3, a cover plate 5 is detachably connected to the top of the line concentration box 3, a circuit board 7 is installed on the internal threads of the junction box body 1, a baffle plate 8 is installed on the inner wall of the junction box body 1, a first screw hole 9 is formed on the upper side of the baffle plate 8, a waterproof layer 10 is installed on the upper side of the baffle plate 8, a second screw hole 12 is uniformly formed in the top of the junction box body 1, an upper cover 13 is detachably installed on the top of the junction box body 1, a third screw hole 14 is uniformly formed in the upper side of the upper cover 13, waterproof pads 16 are respectively fixed in the junction box body 1 and the upper cover 13, and a wire inlet 21 is formed in the left side of the junction box body 1.

Referring to fig. 2 and 3, a first positioning screw 6 is screw-mounted on the upper side of the cover plate 5, and the hub 3 and the cover plate 5 are mounted using the first positioning screw 6.

The scheme is adopted: through setting up first positioning screw 6, played the effect of being connected to line concentration case 3 and apron 5, utilize first positioning screw 6, can install the apron 5 at the top of line concentration case 3.

Referring to fig. 4, a second set screw 11 is screw-mounted on the upper side of the waterproof layer 10, and the barrier 8 and the waterproof layer 10 are mounted using the second set screw 11.

The scheme is adopted: through setting up second set screw 11, be convenient for fix waterproof layer 10 in the upside of baffle 8, conveniently take off waterproof layer 10 from the upside of baffle 8.

Referring to fig. 6, a third screw hole 14 corresponding to the second screw hole 12 is formed in the surface of the junction box body 1, and a third positioning screw 15 is screw-mounted to the upper sides of the junction box body 1 and the upper cover 13.

The scheme is adopted: through the second screw hole 12 and the third screw hole 14 of seting up, can be connected terminal box body 1 and upper cover 13, third positioning screw 15 is fastened terminal box body 1, upper cover 13 and waterproof pad 16, prevents that moisture from getting into inside terminal box body 1, also is convenient for dismantle simultaneously, can play waterproof effect.

Referring to fig. 1, 2 and 3, the front and rear sides of the junction box body 1 are each provided with a heat sink 17, and the upper sides of the heat sinks 17 are each arrayed with a metal heat dissipation plate 18.

The scheme is adopted: through setting up fin 17, fin 17 is the metal block structure, and the part that fin 17 is located terminal box body 1 outside all is arrayed with metal heating panel 18, and the heat transfer to terminal box body 1 outside in the terminal box body 1 is fast through metal heating panel 18, avoids influencing the work of power cord.

Referring to fig. 7 and 8, a base frame 19 is mounted at the bottom of the junction box body 1, a fourth set screw 20 is screw-mounted at the upper side of the base frame 19, and the junction box body 1 and the base frame 19 are mounted using the fourth set screw 20.

The scheme is adopted: by providing the base frame 19, the function of supporting the junction box body 1 is achieved, and the junction box body 1 and the base frame 19 can be mounted by using the fourth positioning screw 20.

The working principle of the utility model is as follows:

when the device is used, whether the device can be normally used or not can be checked firstly, then, after the checking is finished, the base frame 19 is connected with the junction box body 1 by utilizing the fourth positioning screw rod 20, then, the junction box body 1 is installed at a designated position by utilizing the base frame 19, the base frame 19 is positioned by utilizing the designated screw rod so as to avoid shaking, then, the junction box body 1, the upper cover 13 and the third positioning screw rod 15 are tightly matched with each other, external water inflow is isolated, the device is protected for the first layer, the device is internally provided with the baffle 8, the waterproof layer 10 and the second positioning screw rod 11 in a tight fit manner, water is prevented from entering the junction box body 1, the device is protected for the second layer, the shell is a plastic shell, and a special corresponding cable enters the junction box body 1 from the corresponding inlet hole 21, and is separated by the two outlet holes 4 formed in the right side of the junction box 3, so that a small amount of water inflow is avoided when the device is extremely bad, the device is short-circuited, the waterproof pad 16 can play a good sealing role, the device can prevent the water vapor from entering the junction box body 1 to a certain extent, the device is protected for the second layer, the device is further convenient for maintaining the junction box body, and the service life of the junction box body is guaranteed, and the device is further sealed by the device is guaranteed, and the device is further convenient for a user.

To sum up: according to the junction box of the stepping motor, provided by the embodiment of the utility model, through the arrangement of the junction box body 1, the first threading opening 2, the line concentration box 3, the line outlet 4, the cover plate 5, the first positioning screw 6, the circuit board 7, the baffle 8, the first screw hole 9, the waterproof layer 10, the second positioning screw 11, the second screw hole 12, the upper cover 13, the third screw hole 14, the third positioning screw 15, the waterproof pad 16, the radiating fin 17, the metal radiating plate 18, the base frame 19, the fourth positioning screw 20 and the line inlet 21, the problems that the structure of the existing junction box is single, different power lines are difficult to connect, the practicality is low, the general waterproof effect of the junction box is poor, and when the power line connector is located in an open air condition, the power transmission is affected are solved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 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

1. The utility model provides a terminal box of step motor, includes terminal box body (1), its characterized in that: the right side of the junction box body (1) is provided with a first threading opening (2), the right side of the junction box body (1) is provided with a line concentration box (3), the right side of the line concentration box (3) is provided with a line outlet hole (4), the top of the line concentration box (3) is detachably connected with a cover plate (5), the internal thread of the junction box body (1) is provided with a circuit board (7), the inner wall of the junction box body (1) is provided with a baffle plate (8), the upper side of the baffle plate (8) is provided with a first screw hole (9), waterproof layer (10) are installed to the upside of baffle (8), second screw (12) have evenly been seted up at the top of terminal box body (1), upper cover (13) are detachably installed at the top of terminal box body (1), third screw (14) have evenly been seted up to the upside of upper cover (13), all be fixed with waterproof pad (16) in terminal box body (1) and upper cover (13), inlet wire hole (21) have been seted up in the left side of terminal box body (1).

2. A junction box for a stepper motor as defined in claim 1, wherein: the upper side thread of apron (5) is installed first positioning screw (6), line concentration case (3) and apron (5) utilize first positioning screw (6) to install.

3. A junction box for a stepper motor as defined in claim 1, wherein: the second positioning screw (11) is arranged on the upper side of the waterproof layer (10) in a threaded mode, and the baffle (8) and the waterproof layer (10) are arranged by the aid of the second positioning screw (11).

4. A junction box for a stepper motor as defined in claim 1, wherein: third screw holes (14) corresponding to the second screw holes (12) are formed in the surface of the junction box body (1), and third positioning screws (15) are installed on the upper side threads of the junction box body (1) and the upper cover (13).

5. A junction box for a stepper motor as defined in claim 1, wherein: the junction box is characterized in that radiating fins (17) are arranged on the front side and the rear side of the junction box body (1), and metal radiating plates (18) are arranged on the upper sides of the radiating fins (17) in an array mode.

6. A junction box for a stepper motor as defined in claim 1, wherein: the bottom of terminal box body (1) is installed base frame (19), fourth positioning screw (20) are installed to the upside screw thread of base frame (19), terminal box body (1) and base frame (19) utilize fourth positioning screw (20) to install.