CN209434487U - Sealing structure between a kind of power supply line and shell of leakage protecting plug - Google Patents
Sealing structure between a kind of power supply line and shell of leakage protecting plug Download PDFInfo
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- CN209434487U CN209434487U CN201920309605.7U CN201920309605U CN209434487U CN 209434487 U CN209434487 U CN 209434487U CN 201920309605 U CN201920309605 U CN 201920309605U CN 209434487 U CN209434487 U CN 209434487U
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- power supply
- supply line
- cableties
- arc
- shell
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Abstract
The utility model discloses sealing structures between a kind of power supply line of leakage protecting plug and shell; it is additionally provided with cableties with upper casing and lower casing intersection on insulated cable power supply line; and upper casing corresponding with cableties and lower casing are respectively equipped with protrusion under arc upper convex portion and arc, and its width and height are each provided within the scope of 0.2mm~1.5mm.Such assembling structure can thoroughly solve the sealing waterproof problem between the power supply line of leakage protecting plug and shell, meanwhile, the sealing structure is simple, assembles convenient, reliable, lower production costs.
Description
Technical field
The utility model relates to leakage protecting plug technical fields, more particularly, to a kind of power supply line of leakage protecting plug
The sealing structure between shell.
Background technique
As shown in Figure 1, usually having a non-removable insulated cable power supply line 3 on existing leakage protecting plug
For the electric power supply of rear end, injection molding is crimped with the 1st cableties of PVC plastic generally on 3 sheath of insulated cable power supply line
13-1, the 1st cableties 13-1 of the plastics are used to the 1st upper casing 11 and the 1st lower case 12 cable power line 3 and leakage protecting plug
Matching connection.Three is influenced by the thicker thickness of shell and assembly factor to be difficult to accomplish to seal waterproof, is caused in tides such as bathrooms
Wet environment using when leakage protecting plug in may water inlet or moisture invade and make in plug electronic component short circuit or failure,
So as to cause leakage protecting plug failure.
As shown in Fig. 2, the existing another PVC plastic the 2nd on 3 sheath of insulated cable power supply line of leakage protecting plug
The cableties sealing structure of jacketed silicon rubber cushion rubber 25 on stockline button 23-1, this kind of structure are locked by leakage protecting plug by the 2nd
It is compressed to realize the sealing between shell and the 2nd cableties 23-1, still after the screw of the shell of upper casing 21 and the 2nd lower casing 22 composition
The sealing performance of this kind of product there are problems that being assembled undesirable influence by silica gel and being deteriorated, meanwhile, production cost also improves.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of cable bush power supply line of leakage protecting plug with
Sealing structure between shell, the sealing structure is simple, assembly is convenient, reliable, can thoroughly solve the power supply line of leakage protecting plug
Sealing waterproof problem between shell.
Sealing structure between a kind of the power supply cableties and shell of leakage protecting plug includes that upper casing, lower casing, plug copper are inserted
Pin, insulated cable power supply line, switch contact and control circuit board, intersect on insulated cable power supply line with upper casing and lower casing
Place is additionally provided with cableties, which is crimped on insulated cable power supply line by injection molding and forms an entirety, insulated cable
Power supply line passes through the cableties；It is additionally provided with arc upper convex portion corresponding with cableties in upper casing, also is provided in lower casing and cableties
Corresponding lower protrusion, the arc upper convex portion and lower casing of cableties and the upper casing mutually locked on the insulated cable power supply line
Arc under protrusion compression seal connect.
The cableties select PVC plastic to be moulded on insulated cable power supply line, can also be moulded in using rubber plastic
On insulated cable power supply line.
Semicircular arc is preferably selected in protrusion under the arc upper convex portion of the upper casing and the arc of lower casing.
The width of protrusion and height are each provided at 0.2mm between 1.5mm under the semicircular arc upper convex portion and semicircular arc.
The width of protrusion and highly preferred 0.5mm is set as under the semicircular arc upper convex portion and semicircular arc.
Compared with prior art, the utility model has the following beneficial effects:
Sealing structure is mainly in insulated cable power supply between the leakage protecting plug power supply and shell of the utility model
It is upper to be molded the cableties for being crimped with PVC or rubber plastic with upper casing and lower casing intersection, and upper casing corresponding with cableties and lower casing
Be respectively equipped with arc, the upper convex portion of preferably semicircular arc and lower protrusion, and its width and height be each provided at 0.2mm to 1.5mm it
Between, such assembling structure can thoroughly solve the sealing waterproof problem between the power supply line of leakage protecting plug and shell；Together
When, the sealing structure is simple, assembles convenient, reliable, lower production costs.
The cableties sealing structure of the utility model is mainly made into the power supply line product with leakage protecting plug, and mainly applies
On for the power supply of various household electrical appliance and earth leakage protective.
Detailed description of the invention
Fig. 1 is that do not have the structural schematic diagram of the leakage protecting plug of silicon rubber loop on a kind of existing cableties.
Fig. 2 is that existing another kind buckles the structural schematic diagram for being cased with the leakage protecting plug of silicon rubber loop online.
Fig. 3 is the structural schematic diagram that seals between the power supply line and shell of a kind of leakage protecting plug of the utility model.
Fig. 4 is the partial enlargement structural representation of upper casing and its semicircular arc upper convex portion shown in Fig. 3.
Fig. 5 is the partial enlargement structural representation of protrusion under lower casing and its semicircular arc shown in Fig. 3.
Specific embodiment
The utility model is further elaborated by following example.
Embodiment 1
Referring to shown in Fig. 3,4,5, sealing structure between a kind of power supply line and shell of leakage protecting plug, includes upper casing
1, lower casing 2, plug copper bolt, insulated cable power supply line 3, switch contact and control circuit board, in insulated cable power supply line 3
Upper and upper casing 1 and 2 intersection of lower casing are additionally provided with cableties 3-1, and cableties 3-1 is crimped on insulated cable power supply line 3 by injection molding
An entirety is gone up and is formed, the insulated cable power supply line 3 passes through cableties 3-1；It is additionally provided in upper casing 1 and cableties 3-1
Corresponding arc upper convex portion 1-1 also is provided with protrusion 2-1 under arc corresponding with cableties 3-1, the insulation in lower casing 2
Cableties 3-1 on flexible cable power supply line 3 and protrusion under the arc upper convex portion 1-1 of upper casing 1 and the arc of lower casing 2 that mutually lock
The connection of 2-1 compression seal.
The cableties 3-1 selects PVC plastic to be moulded on insulated cable power supply line 3, can also be infused using rubber plastic
Modeling is on insulated cable power supply line 3.
The arc upper convex portion 1-1 of the upper casing 1 can be semicircular arc with protrusion 2-1 under the arc of lower casing 2.
The width and height of the semicircular arc upper convex portion 1-1 and protrusion 2-1 under semicircular arc can be set as 0.2mm extremely
Between 1.5mm.
In the present embodiment, semicircular arc upper convex portion 1-1 is both preferably with the width of protrusion 2-1 under semicircular arc and height
0.5mm。
Because being equipped with protrusion under arc upper convex portion 1-1 that is relatively thin and having certain altitude and arc on the product of the utility model
2-1 simultaneously coincide with cableties 2-1 assembly position, such upper casing 1 and lower casing 2 by after screw locking, arc upper convex portion 1-1 with it is convex under arc
Portion 2-1, which just tightly presses cableties 3-1, makes it locally generate efficient deformation and play good sealing function, while also enhancing simultaneously
Ensure upper casing 1 and lower casing 2 to cableties 3-1 have enough assembly fixing intensities, thus, solve structure as shown in Figure 1 because
It is thicker by shell, electrolysis is excessive etc., and factors cause to be difficult to generates efficient deformation to cableties and cause to seal waterproof performance undesirable
Problem.
Due to the sealing of other components on the earth leakage protective technology of control circuit board realization, principle and structure and shell
Structure has been known, and details are not described herein.
Claims (5)
1. sealing structure between the power supply line and shell of a kind of leakage protecting plug, include upper casing, lower casing, plug copper bolt,
Insulated cable power supply line, switch contact and control circuit board, it is characterised in that: on insulated cable power supply line with upper casing and
Lower casing intersection is additionally provided with cableties, which is crimped on insulated cable power supply line by injection molding and forms an entirety, institute
Insulated cable power supply line is stated across the cableties；Arc upper convex portion corresponding with cableties is additionally provided in upper casing, in lower casing
It also is provided with protrusion under arc corresponding with cableties, the cableties on the insulated cable power supply line and the upper casing mutually locked
Arc upper convex portion is connected with protrusion compression seal under the arc of lower casing.
2. sealing structure between the power supply line and shell of leakage protecting plug according to claim 1, it is characterised in that: institute
Cableties are stated to be moulded on the insulated cable power supply line using PVC plastic or rubber plastic.
3. sealing structure between the power supply line and shell of leakage protecting plug according to claim 1, it is characterised in that: institute
Stating protrusion under the arc upper convex portion of upper casing and the arc of lower casing is semicircular arc.
4. sealing structure between the power supply line and shell of leakage protecting plug according to claim 3, it is characterised in that: institute
It states the width of protrusion and height under semicircular arc upper convex portion and semicircular arc and is each provided at 0.2mm between 1.5mm.
5. sealing structure between the power supply line and shell of leakage protecting plug according to claim 4, it is characterised in that: institute
It states the width of protrusion and height under semicircular arc upper convex portion and semicircular arc and is set as 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309605.7U CN209434487U (en) | 2019-03-12 | 2019-03-12 | Sealing structure between a kind of power supply line and shell of leakage protecting plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309605.7U CN209434487U (en) | 2019-03-12 | 2019-03-12 | Sealing structure between a kind of power supply line and shell of leakage protecting plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209434487U true CN209434487U (en) | 2019-09-24 |
Family
ID=67978540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920309605.7U Active CN209434487U (en) | 2019-03-12 | 2019-03-12 | Sealing structure between a kind of power supply line and shell of leakage protecting plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209434487U (en) |
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2019
- 2019-03-12 CN CN201920309605.7U patent/CN209434487U/en active Active
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