Waterproof and dustproof single-phase controller shell

Abstract

The utility model discloses a waterproof and dustproof single-phase controller housing, which comprises a box body and a box door, the box body and the box door are rotatably connected through a hinge, the front end face of the box body is provided with a sealing ring, the top of the box body is provided with a waterproof threading mechanism, the waterproof threading mechanism comprises a base, a sealing gasket and a locking cap, the base is fixedly installed on the upper end face of the box body, and the sealing gasket is fixedly installed on the box body. The sealing gasket is installed on the inner end face of the locking cap, internal threads are arranged on the inner end face of the locking cap, an external thread sleeve is arranged on the upper end face of the base, the locking cap is arranged on the external thread sleeve in a sleeving mode and connected with the external thread sleeve in a threaded mode, and a pressing column is arranged in the center of the external thread sleeve. According to the utility model, the waterproof threading mechanism is arranged at the top of the box body to seal the wire and the shell of the single-phase controller, and the locking cap is screwed, so that the sealing gasket and the pressing column fully extrude the outer end face of the wire, and external dust and rainwater are prevented from flowing into the box body along the edge of the wire to cause short circuit or damage of the single-phase controller.

Description

Technical Field

[0001] The utility model relates to the technical field of single-phase controllers, in particular to a waterproof and dustproof single-phase controller shell. Background Art

[0002] Single-phase controllers mainly refer to devices used to control electrical equipment in single-phase AC circuits. In different application scenarios, single-phase controllers can have different functions and forms, and are widely used in the fields of electrical appliances and power supply control.

[0003] Single-phase controllers are mostly installed in control cabinets. When the control cabinet is installed outdoors, dust and rainwater can easily enter the control cabinet through the wire holes of the control cabinet, causing dust and moisture to accumulate inside the controller, affecting its electrical performance and mechanical stability. Dust and rainwater entering the control cabinet may cause poor contact and short circuit, shorten the life of the controller, and increase the failure rate of the equipment. Therefore, a waterproof and dustproof single-phase controller casing is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a waterproof and dustproof single-phase controller housing, which has the advantages of good waterproof and dustproof effects and solves the problem in the prior art that dust and rainwater easily enter the device through the threading holes of the single-phase controller housing and affect the service life of the device.

[0005] To achieve the above object, the utility model provides the following technical solutions: a waterproof and dustproof single-phase controller housing, comprising a box body and a box door, the box body and the box door are rotatably connected by a hinge, a sealing ring is provided on the front end surface of the box body, and a waterproof threading mechanism is provided on the top of the box body;

[0006] The waterproof threading mechanism includes a base, a sealing gasket and a locking cap. The base is fixedly mounted on the upper end surface of the box body, the sealing gasket is mounted on the inner end surface of the locking cap, the inner end surface of the locking cap is provided with an internal thread, the upper end surface of the base is provided with an externally threaded sleeve, the locking cap is sleeved on the externally threaded sleeve and is threadedly connected thereto, a clamping column is provided at the center of the externally threaded sleeve, and a threading hole is formed between the clamping column and the inner wall of the externally threaded sleeve.

[0007] As a preferred embodiment of a waterproof and dustproof single-phase controller housing of the utility model, the inner wall of the sealing gasket is provided with an arc groove.

[0008] As a preferred waterproof and dustproof single-phase controller housing of the utility model, a shrinkage seam is arranged on the top of the sealing gasket, and the outer end surface of the sealing gasket is a conical structure.

[0009] As a preferred waterproof and dustproof single-phase controller housing of the utility model, the sealing pad and the clamping column are made of silicone material, and the inner end surface of the locking cap and the outer end surface of the clamping column are conical structures.

[0010] As a preferred waterproof and dustproof single-phase controller housing of the utility model, a collar is pasted on the outer end surface of the sealing gasket, and the collar is rotatably connected to the locking cap through a bearing.

[0011] As a preferred embodiment of a waterproof and dustproof single-phase controller housing of the utility model, the outer end surface of the locking cap is provided with an anti-slip strip.

[0012] As a preferred waterproof and dustproof single-phase controller housing of the utility model, a guide column is arranged on the back of the sealing ring, a guide hole is arranged on the front end surface of the box body, and an annular flange is arranged on the edge of the guide column.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model provides a waterproof threading mechanism on the top of the box to seal the wires of the single-phase controller and the outer shell. By tightening the locking cap, the sealing gasket and the compression column fully squeeze the outer end surface of the wire to prevent external dust and rainwater from flowing into the box along the edge of the wire, causing a short circuit or damage to the single-phase controller, thereby improving the service life of the equipment. The screw-on installation structure is convenient for the equipment to install the wires.

[0015] 2. The utility model prevents the sealing ring from deviating during use by cooperating with the guide column and the guide hole, and an annular flange is provided at the end of the guide column to make it stuck on the inner end surface of the box body, which is convenient for installation and replacement, and further improves the convenience of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is an exploded view of the waterproof threading mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0019] Figure 4 It is a side sectional view of the waterproof threading mechanism of the utility model;

[0020] Figure 5 It is a side sectional view of the utility model;

[0021] Figure 6 For the utility model Figure 5 Enlarged view of point A in the middle.

[0022] In the figure: 1. box body; 110. sealing ring; 111. guide column; 112. annular flange; 102. guide hole; 2. box door; 3. waterproof threading mechanism; 310. base; 311. external threaded sleeve; 312. clamping column; 313. threading hole; 320. sealing gasket; 321. arc groove; 322. contraction joint; 323. collar; 330. locking cap; 331. anti-slip strip. DETAILED DESCRIPTION

[0023] See also Figure 1-Figure 6 A waterproof and dustproof single-phase controller housing comprises a box body 1 and a box door 2, the box body 1 and the box door 2 are rotatably connected by a hinge, a sealing ring 110 is arranged on the front end surface of the box body 1, and a waterproof threading mechanism 3 is arranged on the top of the box body 1;

[0024] The waterproof threading mechanism 3 includes a base 310, a sealing gasket 320 and a locking cap 330. The base 310 is fixedly installed on the upper end surface of the box body 1, and the sealing gasket 320 is installed on the inner end surface of the locking cap 330. The inner end surface of the locking cap 330 is provided with an internal thread. The upper end surface of the base 310 is provided with an externally threaded sleeve 311. The locking cap 330 is sleeved on the externally threaded sleeve 311 and is threadedly connected with it. A clamping column 312 is provided at the center of the externally threaded sleeve 311, and a threading hole 313 is formed between the clamping column 312 and the inner wall of the externally threaded sleeve 311.

[0025] When installing the housing, first install the single-phase controller in the box body 1, and pass the wires of the single-phase controller through the wire hole 313, the sealing gasket 320 and the locking cap 330 in sequence. Then, tighten the locking cap 330, and the locking cap 330 and the clamping column 312 to squeeze the wire, so that the sealing gasket 320 and the clamping column 312 cover the wire, and minimize the gap between the wire and the housing, so as to achieve the purpose of dustproof and waterproof. When installing the sealing ring 110, press the annular flange 112 inward so that it can pass through the guide hole 102, so that the annular flange 112 is stuck on the inner end surface of the box body 1, fix the sealing ring 110 to the box body 1, and improve the sealing between the box body 1 and the door 2.

[0026] Furthermore, an arc-shaped groove 321 is provided on the inner wall of the sealing gasket 320 .

[0027] The fit between the sealing pad 320 and the wire is improved, thereby improving the sealing effect and improving the dustproof and waterproof effects.

[0028] Furthermore, a contraction seam 322 is provided on the top of the sealing gasket 320, and the outer end surface of the sealing gasket 320 is a conical structure.

[0029] The top of the sealing gasket 320 is divided into several petals through the shrinkage seam 322 , and each petal of the sealing gasket 320 shrinks independently, thereby further improving the fit between the sealing gasket 320 and the wire and avoiding the formation of a gap between the sealing gasket 320 and the clamping column 312 .

[0030] Furthermore, the sealing pad 320 and the pressing column 312 are made of silicone material, and the inner end surface of the locking cap 330 and the outer end surface of the pressing column 312 are conical structures.

[0031] When the locking cap 330 approaches the pressing column 312 , the sealing pad 320 and the pressing column 312 squeeze the wire, thereby covering the outside of the wire to prevent rainwater and dust from entering the box body 1 along the outer wall of the wire.

[0032] Furthermore, a collar 323 is attached to the outer end surface of the sealing gasket 320 , and the collar 323 is rotatably connected to the locking cap 330 via a bearing.

[0033] The sealing gasket 320 does not rotate along with the locking cap 330 during the tightening process of the locking cap 330 , thereby preventing the sealing gasket 320 from driving the wire to rotate and causing the wire to become tangled.

[0034] Furthermore, an anti-slip strip 331 is provided on the outer end surface of the locking cap 330 .

[0035] The anti-slip strip 331 increases the friction between the locking nut and the finger, thereby increasing the tightness of the locking nut and further improving the sealing performance.

[0036] Furthermore, a guide column 111 is provided on the back of the sealing ring 110 , a guide hole 102 is provided on the front end surface of the box body 1 , and an annular flange 112 is provided on the edge of the guide column 111 .

[0037] The guide post 111 passes through the guide hole 102 , so that the annular flange 112 is stuck on the inner end surface of the box body 1 , and the sealing ring 110 is fixed to the box body 1 , thereby reducing the probability of the sealing ring 110 falling off.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A waterproof and dustproof single-phase controller housing, comprising a housing (1) and a housing door (2), wherein the housing (1) and the housing door (2) are rotatably connected via a hinge, and a sealing ring (110) is provided on the front end surface of the housing (1), characterized in that: A waterproof threading mechanism (3) is provided on the top of the box body (1); The waterproof threading mechanism (3) comprises a base (310), a sealing gasket (320) and a locking cap (330); the base (310) is fixedly mounted on the upper end surface of the box body (1); the sealing gasket (320) is mounted on the inner end surface of the locking cap (330); the inner end surface of the locking cap (330) is provided with an internal thread; the upper end surface of the base (310) is provided with an externally threaded sleeve (311); the locking cap (330) is sleeved on the externally threaded sleeve (311) and is threadedly connected thereto; a clamping column (312) is provided at the center of the externally threaded sleeve (311); a threading hole (313) is formed between the clamping column (312) and the inner wall of the externally threaded sleeve (311).

2. The waterproof and dustproof single-phase controller housing according to claim 1, characterized in that: The inner wall of the sealing gasket (320) is provided with an arc-shaped groove (321).

3. The waterproof and dustproof single-phase controller housing according to claim 2, characterized in that: A contraction seam (322) is provided at the top of the sealing gasket (320), and the outer end surface of the sealing gasket (320) is a conical structure.

4. The waterproof and dustproof single-phase controller housing according to claim 3, characterized in that: The sealing pad (320) and the pressing column (312) are made of silicone material, and the inner end surface of the locking cap (330) and the outer end surface of the pressing column (312) are conical structures.

5. The waterproof and dustproof single-phase controller housing according to claim 4, characterized in that: A collar (323) is adhered to the outer end surface of the sealing gasket (320), and the collar (323) is rotatably connected to the locking cap (330) via a bearing.

6. The waterproof and dustproof single-phase controller housing according to claim 5, characterized in that: The outer end surface of the locking cap (330) is provided with an anti-slip strip (331).

7. The waterproof and dustproof single-phase controller housing according to claim 1, characterized in that: A guide column (111) is provided on the back of the sealing ring (110), a guide hole (102) is provided on the front end surface of the box body (1), and an annular flange (112) is provided on the edge of the guide column (111).

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