Waterproof junction box of stepping motor

Abstract

The utility model provides a waterproof junction box of a stepping motor, and relates to the field of waterproof junction boxes of stepping motors. The waterproof junction box of the stepping motor comprises a junction box and is characterized in that a box cover is arranged at the top of the junction box, the junction box and the box cover are connected through screws, water guide grooves are formed in the top of the box cover at equal intervals, one end of each water guide groove is higher than the other end of each water guide groove, and a fixing mechanism is arranged at the top of the box cover. The fixing mechanism comprises a fixing plate, a through hole, a first limiting plate, a first limiting hole, a first limiting rod, a second limiting hole, an L-shaped plate, a second limiting rod, a spring and a second limiting plate. According to the waterproof junction box of the stepping motor, the box cover and the junction box can be fixed through the screws, the screws can be prevented from loosening through the fixing mechanism, the situation that the screws are loosened can be prevented, and therefore the situation that water enters the junction box through a gap between the junction box and the box cover to cause damage is avoided; and practical application and operation are facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of waterproof junction boxes for stepper motors, and in particular to a waterproof junction box for stepper motors. Background Art

[0002] The junction box is one of the electrical auxiliary materials. At the joint of the wire (for example, the line is long, or the wire tube needs to turn a corner), the junction box is used as a transition. The wire tube is connected to the junction box, and the wires in the wire tube are connected in the junction box, which plays the role of protecting the wires and connecting the wires. This is the junction box;

[0003] A Chinese patent discloses a stepper motor junction box, with the authorization announcement number CN218603293U, comprising a junction box body, a component body is fixedly arranged inside the junction box body, a plurality of connecting pipes are fixedly connected to the outer wall of one side of the junction box body, a plurality of connecting wires are electrically connected to the top of the component body, and one end of the connecting wire passes through the connecting pipe to the outside of the junction box body, a junction box cover is fixedly arranged on the top of the junction box body, a protection mechanism is fixedly arranged between the inner walls on both sides of the junction box cover, the outer walls on both sides of the junction box cover are fixedly connected to the first extension plate, and the outer walls on both sides of the junction box body are fixedly connected to the second extension plate. Although this patent solves the problem that the existing junction box may cause condensation of water droplets inside the junction box when dissipating heat, affecting the use of the junction box and even causing damage to the surrounding personnel and equipment;

[0004] However, the junction box body and the junction box cover of the device are connected by fixing bolts. When the stepper motor is working, vibration is inevitable. Long-term vibration may cause the fixing screws to loosen, so that water can enter the inside through the gap between the junction box body and the junction box cover, causing damage, which is not conducive to practical application and operation. Therefore, those skilled in the art provide a waterproof junction box for a stepper motor to solve the problems raised in the above background technology. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the present application provides a waterproof junction box for a stepper motor, which solves the problems mentioned in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the present application is implemented through the following technical solutions: a waterproof junction box for a stepper motor, comprising a junction box, a box cover is arranged on the top of the junction box, the box cover can seal the junction box, the junction box and the box cover are connected by screws, and water guide grooves are equidistantly arranged on the top of the box cover, and the water guide grooves are arranged with one end high and the other end low. The water guide grooves can quickly drain water on the top of the box cover;

[0009] A fixing mechanism is arranged on the top of the box cover, and the fixing mechanism is used to fix the screws, and the fixing mechanism can prevent the screws from loosening.

[0010] By adopting the above technical solution, the box cover and the junction box can be fixed by screws, and the screws can be prevented from loosening by the fixing mechanism. The device can prevent the screws from loosening, thereby preventing water from entering the interior of the junction box through the gap between the junction box and the box cover and causing damage, which is beneficial to practical application and operation.

[0011] Preferably, the fixing mechanism comprises a fixing plate, a through hole, a limit plate 1, a limit hole 1, a limit rod 1, a limit hole 2, an L-shaped plate, a limit rod 2, a spring and a limit plate 2, the fixing plate is fixedly connected to the four corners of the top of the box cover, the through hole is opened at the top of the fixing plate, the limit plate 1 passes through the fixing plate and slides inside the fixing plate, the bottom of one end of the limit plate 1 both contacts with the screw on the top of the box cover, the limit hole 1 is opened at the top of the limit plate 1, the limit rod 1 is inserted into the inside of the through hole and passes through the limit hole 1, the limit hole 2 is opened on the outside of the limit rod 1, the L-shaped plate is fixedly connected to one side of the bottom of the fixing plate, the limit rod 2 is slidably connected to the outside of the L-shaped plate, one end of the limit rod 2 extends to the inside of the limit hole 2, the limit plate 2 is fixedly connected to the outside of the limit rod 2, and the spring is fixedly connected between the outside of the limit plate 2 and the inside of the L-shaped plate and is located on the outside of the limit rod 2.

[0012] By adopting the above technical scheme, the screw can be fixed by the coordinated use of the fixed plate, limit plate 1, limit column 1, limit column 2 and the spring. The coordinated use of the spring, limit plate 2 and L-shaped plate can ensure that the limit rod 2 always contacts the inside of the limit hole 2, thereby preventing the screw from loosening due to vibration when the progressive motor is working.

[0013] Preferably, a sealing ring is fixedly connected to the top of the junction box.

[0014] By adopting the above technical solution, the sealing effect of the entire device can be improved through the sealing ring.

[0015] Preferably, absorbent cotton is fixedly mounted on the bottom of the box cover.

[0016] By adopting the above technical solution, the water droplets inside the device can be absorbed by the absorbent cotton.

[0017] Preferably, the interior of the junction box is equidistantly fixedly connected with terminal posts, the interior of the junction box and on one side of the terminal posts is fixedly connected with a wire harness plate, the outside of the wire harness plate is equidistantly provided with wire threading holes one, and the outside of the junction box is provided with a wire threading hole two near one end of the wire harness plate.

[0018] By adopting the above technical solution, the wiring in the motor junction box can be prevented from being disorderly through the wire harness plate, and the wires can be passed through the inside of the junction box through the first and second wire holes.

[0019] Preferably, a sealing rubber ring is provided inside the second threading hole.

[0020] By adopting the above technical solution, the sealing rubber ring can further prevent external water from entering the interior of the device.

[0021] Preferably, the junction box is installed on the outside of the external stepper motor, and the terminal is used to connect to the external stepper motor through a wire.

[0022] By adopting the above technical solution, the stepping motor can be made to work by connecting the terminal to an external stepping motor.

[0023] (III) Beneficial effects

[0024] The present application provides a waterproof junction box for a stepper motor. The beneficial effects are as follows:

[0025] The waterproof junction box of the stepper motor can fix the box cover and the junction box by screws, and the screws can be prevented from loosening by the fixing mechanism. The device can prevent the screws from loosening, thereby preventing water from entering the interior of the junction box through the gap between the junction box and the box cover to cause damage, which is beneficial to practical application and operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a three-dimensional diagram illustrating the present application.

[0027] Figure 2 This is a schematic diagram of the splitting of this application.

[0028] Figure 3 This is a schematic diagram of the structure of this application.

[0029] Figure 4 For this application Figure 3 Enlarged view of point A in the middle.

[0030] In the figure: 1. Junction box; 2. Sealing ring; 3. Water-absorbing cotton; 4. Box cover; 5. Water guide groove; 6. Fixing plate; 7. Through hole; 8. Limit plate 1; 9. Limit hole 1; 10. Limit rod 1; 11. Limit hole 2; 12. L-shaped plate; 13. Limit rod 2; 14. Spring; 15. Limit plate 2; 16. Terminal; 17. Wire harness plate; 18. Threading hole 1; 19. Threading hole 2. DETAILED DESCRIPTION

[0031] The present application is further described in detail below through drawings and examples.

[0032] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 The embodiment of the present application provides a waterproof junction box for a stepper motor, including a junction box 1, a box cover 4 is arranged on the top of the junction box 1, the box cover 4 can seal the junction box 1, the junction box 1 and the box cover 4 are connected by screws, and water guide grooves 5 are equidistantly arranged on the top of the box cover 4, and the water guide grooves 5 are arranged to be high at one end and low at the other end. The water guide grooves 5 can quickly drain the water on the top of the box cover 4;

[0033] A fixing mechanism is provided on the top of the box cover 4, and the fixing mechanism is used to fix the screws, and the fixing mechanism can prevent the screws from loosening. The fixing mechanism includes a fixing plate 6, a through hole 7, a limiting plate 8, a limiting hole 9, a limiting rod 10, a limiting hole 2 11, an L-shaped plate 12, a limiting rod 2 13, a spring 14, and a limiting plate 2 15. The fixing plate 6 is fixedly connected to the four corners of the top of the box cover 4. The through hole 7 is opened at the top of the fixing plate 6. The limiting plate 8 penetrates the fixing plate 6 and slides inside the fixing plate 6. The bottom of one end of the limiting plate 8 is in contact with the screws on the top of the box cover 4. The limiting hole 9 is opened at the top of the limiting plate 8. The limiting rod 10 is inserted into the inside of the through hole 7 and penetrates the limiting hole 9. The limiting hole 2 11 is opened on the outside of the limiting rod 10. The L-shaped plate 12 is fixed The second limiting rod 13 is connected to one side of the bottom of the fixed plate 6, and the limiting rod 13 is slidably connected to the outside of the L-shaped plate 12. One end of the limiting rod 13 extends to the inside of the limiting hole 11. The limiting plate 15 is fixedly connected to the outside of the limiting rod 13. The spring 14 is fixedly connected between the outside of the limiting plate 15 and the inside of the L-shaped plate 12 and is located on the outside of the limiting rod 13. The screw can be fixed by the fixed plate 6, the limiting plate 8, the limiting rod 10, the limiting rod 13 and the spring 14. The spring 14, the limiting plate 15 and the L-shaped plate 12 can ensure that the limiting rod 13 always contacts the inside of the limiting hole 11, thereby preventing the screw from loosening due to vibration when the progressive motor is working.

[0034] The box cover 4 and the junction box 1 can be fixed by screws, and the screws can be prevented from loosening by the fixing mechanism. The device can prevent the screws from loosening, thereby preventing water from entering the interior of the junction box 1 through the gap between the box cover 4 and causing damage, which is beneficial to practical application and operation.

[0035] Reference Figure 1 and Figure 2 In one aspect of the present embodiment, the interior of the junction box 1 is fixedly connected with terminal posts 16 at equal intervals, the interior of the junction box 1 is fixedly connected with a wire harness plate 17 located on one side of the terminal posts 16, the outer side of the wire harness plate 17 is provided with wire threading holes 18 at equal intervals, and the outer side of the junction box 1 is provided with a wire threading hole 2 19 at one end close to the wire harness plate 17. The wire harness plate 17 can prevent the lines in the motor junction box 1 from being disorderly, and the wires can pass through the interior of the junction box 1 through the wire threading holes 18 and 19.

[0036] Reference Figure 1 and Figure 2 In one aspect of this embodiment, a sealing ring 2 is fixedly connected to the top of the junction box 1, and the sealing ring 2 can improve the sealing effect of the entire device.

[0037] Preferably, absorbent cotton 3 is fixedly installed on the bottom of the box cover 4, and the water droplets inside the device can be absorbed by the absorbent cotton 3.

[0038] A sealing rubber ring is arranged inside the threading hole 19, which can further prevent external water from entering the interior of the device.

[0039] The junction box 1 is installed on the outside of the external stepper motor, and the terminal 16 is used to connect the external stepper motor through a wire. The stepper motor can be operated by connecting the terminal 16 to the external stepper motor.

[0040] Working principle: When in use, first connect one end of the wire to the terminal 16 and then pass the other end of the wire through the corresponding threading hole 18, and then through the threading hole 2 19. The sealing rubber ring inside the threading hole 2 19 can prevent water from penetrating into the interior of the device, and connect the wire to the progressive motor, and then fix the box cover 4 to the terminal box 1 with screws. The screws can be fixed by the coordinated use of the fixing plate 6, the limit plate 1 8, the limit rod 1 10, the limit rod 2 13 and the spring 14, thereby preventing the screws from loosening due to vibration when the progressive motor is working, and the water droplets generated by the temperature difference inside the device can be absorbed by the absorbent cotton 3. The device can prevent the screws from loosening, thereby avoiding water from entering the interior through the gap between the terminal box 1 and the box cover 4 to cause damage, which is beneficial to actual application and operation.

[0041] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A waterproof junction box for a stepper motor, comprising a junction box (1), characterized in that: A box cover (4) is arranged on the top of the junction box (1), the junction box (1) and the box cover (4) are connected by screws, and water guide grooves (5) are arranged at equal intervals on the top of the box cover (4), and the water guide grooves (5) are arranged with one end higher than the other end; A fixing mechanism is provided on the top of the box cover (4), and the fixing mechanism is used to fix the screws.

2. The waterproof junction box for a stepper motor according to claim 1, characterized in that: The fixing mechanism comprises a fixing plate (6), a through hole (7), a limiting plate 1 (8), a limiting hole 1 (9), a limiting rod 1 (10), a limiting hole 2 (11), an L-shaped plate (12), a limiting rod 2 (13), a spring (14) and a limiting plate 2 (15); the fixing plate (6) is fixedly connected to the four corners of the top of the box cover (4); the through hole (7) is provided at the top of the fixing plate (6); the limiting plate 1 (8) passes through the fixing plate (6) and slides inside the fixing plate (6); the bottom of one end of the limiting plate 1 (8) contacts the screw at the top of the box cover (4); the limiting hole 1 (9) is provided at the top of the limiting plate 1 (8) The limiting rod 1 (10) is inserted into the through hole (7) and passes through the limiting hole 1 (9); the limiting hole 2 (11) is opened on the outside of the limiting rod 1 (10); the L-shaped plate (12) is fixedly connected to one side of the bottom of the fixing plate (6); the limiting rod 2 (13) is slidably connected to the outside of the L-shaped plate (12); one end of the limiting rod 2 (13) extends to the inside of the limiting hole 2 (11); the limiting plate 2 (15) is fixedly connected to the outside of the limiting rod 2 (13); the spring (14) is fixedly connected between the outside of the limiting plate 2 (15) and the inside of the L-shaped plate (12) and is located on the outside of the limiting rod 2 (13).

3. The waterproof junction box for a stepping motor according to claim 1, characterized in that: A sealing ring (2) is fixedly connected to the top of the junction box (1).

4. The waterproof junction box for a stepping motor according to claim 1, characterized in that: The bottom of the box cover (4) is fixedly mounted with absorbent cotton (3).

5. The waterproof junction box for a stepping motor according to claim 1, characterized in that: The interior of the junction box (1) is fixedly connected with terminal posts (16) at equal intervals, the interior of the junction box (1) is fixedly connected with a wire harness plate (17) located on one side of the terminal posts (16), the outer side of the wire harness plate (17) is provided with wire threading holes (18) at equal intervals, and the outer side of the junction box (1) is provided with a wire threading hole (19) at one end close to the wire harness plate (17).

6. The waterproof junction box for a stepping motor according to claim 5, characterized in that: A sealing rubber ring is arranged inside the second threading hole (19).

7. The waterproof junction box for a stepping motor according to claim 5, characterized in that: The junction box (1) is installed on the outside of an external stepping motor, and the terminal (16) is used to connect the external stepping motor via a wire.

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