CN201064022Y

CN201064022Y - Waterproof device for controller housing

Info

Publication number: CN201064022Y
Application number: CNU2007201463434U
Authority: CN
Inventors: 林庭安
Original assignee: BAOYIN Co Ltd
Current assignee: BAOYIN Co Ltd
Priority date: 2007-06-04
Filing date: 2007-06-04
Publication date: 2008-05-21
Anticipated expiration: 2017-06-04

Abstract

A controller shell waterproof device comprises a first shell and a second shell, wherein, the first shell has a first periphery part, a second periphery part and a groove which is positioned between the first periphery part and the second periphery part. And the second shell comprises a stopping part and a third periphery part, wherein, the stopping part is connected with the groove of the first shell by means of ultrasonic fusion-joining, waterproof binder or dispenser. The controller shell waterproof device of this structure has the advantages of easy control of manufacturing technology, low cost, environment protection and time saving.

Description

The controller housing water-tight device

Technical field

The utility model relates to a kind of water-tight device of controller housing, be particularly related to a kind of water-tight device that is applied to water heater, gas oven controller housing, it is by the structure of improvement controller housing water-tight device, simplified manufacturing process, effectively reduce cost, and it also have the feature of environmental protection and time-saving.

Background technology

See also Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are the controller that is applied to water heater, gas oven constant temperature system of the prior art, controller 1a is provided with an accommodation space 11a, a circuit substrate 12a and a plurality of terminal 13a, circuit substrate 12a is arranged among the accommodation space 11a, terminal 13a is connected with the circuit substrate 12a of controller 1a inside respectively, the circuit substrate 12a outside is provided with one deck glue 14a, to carry out involution, avoids water to infiltrate the fault that causes circuit substrate 12a in the controller 1a.

Among the above-mentioned controller 1a of the prior art, this layer glue 14a forms by a kind of liquid resin being poured into and fills up this circuit substrate 12a outside, treats behind this hardening of resin and this circuit substrate 12a is given the glue envelope, reaches the purpose of waterproof.But, use sealant pouring and sealing so in large area, will make manufacturing process be difficult to control, expend a large amount of time and cost, and this controller discarded after, will cause environmental issue.

The utility model content

At above problem, the purpose of this utility model be propose a kind of reasonable in design and can effectively improve the controller housing water-tight device of above-mentioned shortcoming.By adopting this controller housing water-tight device, can avoid in the manufacturing process of controller housing water-tight device of the prior art, must reach the processing of waterproof, airtight purpose with the large tracts of land sealant pouring and sealing, thereby make manufacturing process be easy to control, cost effectively reduces, and has the feature of environmental protection and time-saving.

To achieve these goals, the utility model provides a kind of controller housing water-tight device, comprising: one first housing, and it has one first circumference, one second circumference and a groove, and this groove is between this first circumference and this second circumference; And one second housing, it has a stop section and one the 3rd circumference, and the 3rd peripheral part is in this stop section, and this stop section is engaged in this groove.

The utlity model has following useful effect: mainly utilize this stop section and engaging of this groove to reach waterproof, airtight purpose, its manufacturing process is easy to control, and cost effectively reduces, and has the feature of environmental protection and time-saving.

In order to illustrate further feature of the present utility model and technology contents, the utility model is elaborated below in conjunction with accompanying drawing.Yet accompanying drawing is only for reference and explanation, is not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the schematic perspective view of prior art middle controller.

Fig. 2 is the cutaway view of prior art middle controller housing water-tight device.

Fig. 3 is the combination schematic perspective view of controller housing water-tight device of the present utility model.

Fig. 4 is the perspective exploded view of controller housing water-tight device of the present utility model.

Fig. 5 is the cutaway view of first embodiment of the present utility model.

Fig. 6 is the cutaway view of second embodiment of the present utility model.

Fig. 7 is the cutaway view of the 3rd embodiment of the present utility model.

Wherein, description of reference numerals is as follows:

[prior art]

The 1a controller

11a accommodation space 12a circuit substrate

13a terminal 14a glue

[the utility model]

1 first housing

11 first circumferences

12 second circumferences, 13 grooves

14 positioning ribs

141 locating surfaces

2 second housings

21 stop sections

22 the 3rd circumferences

221 fins

23 projections

4 colloids of 3 ring-like waterproof adhesive tapes

5 circuit substrates, 6 composition surfaces

Embodiment

See also Fig. 3 to Fig. 5, the utility model provides a kind of controller housing water-tight device, and it comprises one first housing 1 and one second housing 2, and this first housing 1 and this second housing 2 are made with plastic or other material.The edge of this first housing 1 convexes with one first circumference 11, these first circumference, 11 inboards are concaved with a groove 13, this groove 13 is ring-like continuous channel, and the inboard of this groove 13 convexes with one second circumference 12, and this groove 13 is between this first circumference 11 and this second circumference 12.This first housing, 1 inwall convexes with a plurality of positioning ribs 14, and described positioning rib 14 is formed with a locating surface 141 towards an end of these second housing, 2 directions.

The edge of this second housing 2 convexes with a stop section 21 and one the 3rd circumference 22 towards first housing, 1 direction, the 3rd circumference 22 is positioned at the inboard of this stop section 21, convex with a plurality of fins 221 on the 3rd circumference 22, this second housing 2 convexes with a projection 23 near its centre, described fin 221 can be in order to be sticked in second circumference, 12 inwalls of this first housing 1, and this stop section 21 is engaged in this groove 13.

This first housing, 1 inside is provided with a circuit substrate 5, and this circuit substrate 5 provides required output of igniting and input signal etc., and described fin 221 contacts on this circuit substrate 5 with this projection 23, and this circuit substrate 5 is positioned this locating surface 141.

By this stop section 21 is engaged in this groove 13, and make described fin 221 be sticked in the inwall of this second circumference 12, make this first housing 1 and this second housing 2 be bonded with each other.

In the present embodiment, the part that this stop section 21 contacts at these groove 13 bottom surfaces is formed with a composition surface 6, this composition surface 6 is small matsurface, make this composition surface 6 and this groove 13 bottom surfaces bear quiet vertical force by pressurization, the described two sides that utilizes ultrasonic vibration to make simultaneously to engage produces the vibration at high speed that is parallel to each other, and promptly bears the shear stress of vibration, thus mutually frictional heat to adhere, thereby this stop section 21 is engaged with these groove 13 weldings, reach waterproof, airtight purpose.

In addition, see also Fig. 6.In the embodiment shown in fig. 6, be embedded with a ring-like waterproof adhesive tape 3 in this groove 13, this stop section 21 tightly contacts on this ring-like waterproof adhesive tape 3, so that this ring-like waterproof adhesive tape 3 is held between this stop section 21 and this groove 13 bottom surfaces, reaches waterproof, airtight purpose thus.

In addition, see also Fig. 7.In the embodiment shown in fig. 7, use point gum machines to be coated with some colloids 4 in this groove 13, this colloid 4 is engaged between this stop section 21 and this groove 13 bottom surfaces, makes 13 of this stop section 21 and this grooves seamless, reaches waterproof, airtight purpose thus.

The utility model controller housing water-tight device, engage with the groove 13 of first housing 1 by the stop section 21 that makes second housing 2, can prevent that moisture from entering the circuit substrate 5 of inside and causing this circuit substrate 5 faults, thereby improved the processing technology of using large tracts of land sealant pouring and sealing mode to reach waterproof, airtight purpose in the manufacturing process of prior art, thus, manufacturing process becomes and is easy to control, and cost effectively reduces, and has the feature of environmental protection and time-saving.

Although the above is preferred embodiment of the present utility model, it is not to be used to limit protection range of the present utility model.So every equivalent structure that is carried out according to the utility model specification and accompanying drawing changes, and all should be contained in scope of the present utility model.

Claims

1. a controller housing water-tight device is characterized in that, comprising:

One first housing, it has one first circumference, one second circumference and a groove, and this groove is between this first circumference and this second circumference; And

One second housing, it has a stop section and one the 3rd circumference, and the 3rd peripheral part is in the inboard of this stop section, and this stop section is engaged in this groove.

2. controller housing water-tight device as claimed in claim 1 is characterized in that, the part that this stop section contacts at this trench bottom surfaces be formed with one by the ultrasonic fusing mode with this groove and this stop section engagement surface.

3. controller housing water-tight device as claimed in claim 1 is characterized in that, is embedded with a ring-like waterproof adhesive tape in this groove, and this stop section contacts on this ring-like waterproof adhesive tape.

4. controller housing water-tight device as claimed in claim 1 is characterized in that, is coated with some colloids in this groove, and this colloid is engaged between this stop section and this groove.

5. controller housing water-tight device as claimed in claim 1 is characterized in that, this groove is ring-like continuous channel.

6. controller housing water-tight device as claimed in claim 1, it is characterized in that, this first inner walls is provided with a plurality of positioning ribs, and described positioning rib top is formed with a locating surface, being positioned this first enclosure interior for this controller provides a circuit substrate of input/output signal.

7. controller housing water-tight device as claimed in claim 1, it is characterized in that, convex with a plurality of fins on the 3rd circumference of this second housing, this second housing convexes with a projection near centre, described fin and this projection contact at be positioned at this first enclosure interior, provide on the circuit substrate of input/output signal for this controller.

8. controller housing water-tight device as claimed in claim 7 is characterized in that described fin is sticked in the inwall of this second circumference.