CN107182182B

CN107182182B - Electronic Control Box

Info

Publication number: CN107182182B
Application number: CN201610140726.4A
Authority: CN
Inventors: 徐铭鸿
Original assignee: Chewang Electronics (ningbo) Co Ltd
Current assignee: Chewang Electronics (ningbo) Co Ltd
Priority date: 2016-03-11
Filing date: 2016-03-11
Publication date: 2019-11-08
Anticipated expiration: 2036-03-11
Also published as: CN107182182A

Abstract

The present invention provides a kind of Electronic Control Boxes, have a box body and a controller；Box body has a perforation；Controller is set in box body and includes a connector, which wears the perforation；It is characterized by: the perforation has one first hole section, one second hole section and a third hole section being sequentially coaxially disposed from inside to outside, the aperture of first hole section is D1, the aperture of second hole section is D2, the aperture of the third hole section is D3, meets the following conditions: D1 > D3 > D2；One sealing ring, in the perforation, there is a first segment, a second segment and a third section, the outer ring surface of the first segment to be butted on the hole wall of first hole section, the outer ring surface of the second segment is butted on the hole wall of second hole section, and the outer ring surface of the third section is butted on the hole wall of the third hole section；The inner ring surface of the periphery face contact of the connector sealing ring.

Description

Electronic Control Box

Technical field

The present invention is related with Electronic Control Box；Particularly relate to it is a kind of with dust-proof and water-proof function Electronic Control Box and Its sealing ring.

Background technique

Electronic equipments and electronic product most now, such as: motor, it is green can equipment etc., usually with an Electronic Control Box Collocation uses, and is electrically connected between the Electronic Control Box and device, equipment by connectors such as conducting wire, conductive terminals, And the tray interior of the Electronic Control Box is usually provided with the drive control circuit mould to match with electronic equipment or electronic product Block, and several perforation are provided on box body, to draw or introduce connector, so that connector is able to and the intracorporal drive of box Dynamic control circuit module is mutually electrically connected, thus by Electronic Control Box come the actuation of drive dynamic control device, equipment.

Wherein, one of the major function of box body of the Electronic Control Box be the intracorporal controller of protecting box from dampness or It is stained, therefore having dealer is the water proof and dust proof grade (IP Code) of lifting device, just after connector is arranged in perforation, in wearing The processing of process for filling colloid is made in gap between hole and connector, penetrates into box body to block extraneous dust and aqueous vapor.

However, such design will cause Electronic Control Box and its controller of inside generates in subsequent Maintenance and Repair It is difficult, for example, whenever being overhauled, connector can just be separated each other with box body after must first destroying sealing, In this way, be not only a big burden in subsequent dismantling maintenance, wherein not removing clean residue glue but will be with encapsulating again Technique on sealing it is incompatible, and be easy to produce that gluing, which is not easy, encapsulating is non-uniform happens, and lead to water proof and dust proof The problems such as protection effect decline and maintenance difficult.

Summary of the invention

In view of this, there is good waterproof the purpose of the present invention is to provide a kind of Electronic Control Box and its sealing ring And dust reduction capability, and there is assembling easily and rapidly convenience.

For edge to reach above-mentioned purpose, a kind of Electronic Control Box provided by the invention has a box body and a controller；It should Box body has a perforation；The controller is set in the box body and includes that at least a connector, connector wears the perforation； It is characterized by: the perforation has one first hole section, one second hole section and the third hole being sequentially coaxially disposed from inside to outside Section, the aperture of first hole section are D1, and the aperture of second hole section is D2, and the aperture of the third hole section is D3, are met following Condition: D1 > D3 > D2；One sealing ring is set in the perforation, which has a first segment, a second segment and one the Three sections, wherein the outer ring surface of the first segment is butted on the hole wall of first hole section, and the outer ring surface of the second segment is butted on second hole section Hole wall, the outer ring surface of the third section is butted on the hole wall of the third hole section；The periphery face contact of the connector sealing ring it is interior Anchor ring.

The present invention separately provides a kind of sealing ring, and for being set in a perforation, which has sequentially coaxial from inside to outside One first hole section, one second hole section and the third hole section being arranged, the aperture of first hole section are D1, the hole of second hole section Diameter is D2, and the aperture of the third hole section is D3, and D1 > D3 > D2, it is characterised in that: the sealing ring has a first segment, one the Two sections and a third section, in addition, the outer ring surface of the first segment is butted on the hole wall of first hole section, the outer ring surface of the second segment is supported In the hole wall of second hole section, the outer ring surface of the third section is butted on the hole wall of the third hole section；The outer diameter of the first segment is d1, should The outer diameter of second segment is d2, and the outer diameter of the third section is d3, meets the following conditions: d1 > d3 > d2.

Effect of the invention is that the multistage aperture design of the perforation by connector, and collocation multistage outer diameter are close The design of seal ring can be effectively prevented the foreign matters such as the aqueous vapor outside box body, dust and enter in box body along perforation parent, and then promotes electronics Control the protection effect of box.

Detailed description of the invention

Fig. 1 is a preferred embodiment of the present invention the perspective view of Electronic Control Box.

Fig. 2 is the exploded view of the Electronic Control Box of the above-mentioned preferred embodiment of the present invention.

Fig. 3 is the perspective view of the sealing ring of the above-mentioned preferred embodiment of the present invention.

Fig. 4 is the 4-4 sectional view of Fig. 3.

Fig. 5 is the 5-5 sectional view of Fig. 1.

Fig. 6 is the 5-5 sectional view of Fig. 1.

Description of symbols

1 Electronic Control Box

10 box bodys

12 pedestals

14 upper covers

15 perforation

The first hole section of 15a

The second hole section of 15b

15c third hole section

151 first wall surfaces

152 abutment faces

153 second wall surfaces

20 controllers

22 control circuit boards

24 connectors

30 sealing rings

30a first segment

30b second segment

30c third section

32a first

32b second

32c third portion

31 first outer ring surfaces

32 terraces

33 second outer ring surfaces

The aperture D1, D2, D3

D1, d2, d3 outer diameter

The space S

Specific embodiment

For that can be illustrated more clearly that the present invention, hereby lifts a preferred embodiment and cooperate schema detailed description is as follows.It please join Fig. 1 To shown in Fig. 2, being a preferred embodiment of the present invention Electronic Control Box 1 comprising a box body 10, a controller 20 and at least One sealing ring 30, in which:

The box body 10 includes a pedestal 12 and a upper cover 14, and the pedestal 12 is for carrying electronic component；The upper cover 14 with Detachable mode is incorporated on the pedestal 12, and can be with the pedestal 12 jointly around an accommodating space is formed, which has There is at least one perforation, in the present embodiment, hereby by taking three perforation 15 as an example, but its quantity is not the restrictive condition of this case, in In other actual implementations, can also it be equipped with one or more perforation, and be not limited.

The controller 20 includes a control circuit board 22 and at least a connector 24, the control circuit board 22 are set to this On pedestal 12；At least quantity of a connector 24 in the present embodiment is three for this, but its quantity is not the restrictive condition of this case, In in other actual implementations, can also it be equipped with one or more connector, and be not limited, respectively the one of the connector 24 End is electrically connected with contact corresponding in the control circuit board 22, is interrogated to transmit external input to the electronics of control circuit board 22 Number or the electric signal that control circuit board 22 is exported is transmitted to external electronic equipment.The connector 24, which can be, leads The element to transmit electric signal such as line, conductive column, and in the present embodiment, the connector 24 is hereby with conductive column Example, but not limited to this.

The sealing ring 30 is three in the quantity of the present embodiment, to be respectively arranged in the perforation 15, in other realities On border is implemented, the quantity of the sealing ring 30 is not limited with three, and quantity is based primarily upon depending on the number of holes of box body 10.Compared with Good person, for the sealing ring 30 with made by flexible material, and in the present embodiment, those sealing rings 30 are made by rubber At, but in other implementations, it is not limited thereto.

Since the structure of each sealing ring 30 is roughly the same, consequently, to facilitate explanation, hereby with wherein one 30 explanation of sealing ring It, please cooperate shown in Fig. 3 and Fig. 4, which has a first segment 30a, a second segment 30b and a third section 30c, In, the outer diameter of first segment 30a is d1, and the outer diameter of second segment 30b is d2, and the outer diameter of third section 30c is d3, meet with Lower condition: d1 > d3 > d2.

In addition, the inner ring surface of the sealing ring 30 includes one first 32a, one second 32b and a third portion 32c, Third portion 32c is located between first 32a and second 32b, and the third portion 32c is lower than first 32a and second Portion 32b.Preferably, in the present embodiment, the inner ring surface of the sealing ring 30 is in concave arc shape, and inwardly concave part constitute this Three 32c, and the part relatively high in the third portion two sides 32c respectively constitutes first 32a and second 32b.In addition to this, In in other actual implementations, first 32a and second 32b of the inner ring surface of the sealing ring can be a convex parapet respectively, this two Convex parapet is extended radially inwardly along sealing ring 30, and it is alternate between two convex parapet be separated with a distance, and 32c, third portion Trench between two convex parapet, preferably, which is in concave arc shape.

It please cooperate shown in Fig. 5 again, which has one first hole section 15a being sequentially coaxially disposed from inside to outside, one the The aperture of a two hole section 15b and third hole section 15c, first hole section 15a are D1, and the aperture of second hole section 15b is D2, should The aperture of third hole section 15c is D3, meets the following conditions: D1 > D3 > D2；The first hole section 15a has one first wall surface 151, the second hole section 15b have one second wall surface 153, which has an abutment face 152, which is connected to Between first wall surface 151 and second wall surface 153, and the abutment face 152 is towards in the box body 10.

In addition, please cooperating together shown in Fig. 4 and Fig. 6, the first segment 30a of the sealing ring 30 has one first outer ring surface 31, Its second segment 30b have one second outer ring surface 33, and the sealing ring 30 have a terrace 32, be connected to first outer ring surface 31 with Between second outer ring surface 33.

Therefore, when assembling, first sealing ring 30 is filled in perforation 15 from inside to outside by box body 10, so that sealing ring 30 First outer ring surface 31 abuts the first wall surface 151 of the perforation 15, and the second outer ring surface 33 abuts the second wall surface 153 of the perforation 15, And the terrace 32 of sealing ring 30 abuts the abutment face 152 of the perforation 15.It is arranged in connector 24 close in perforation 15 In 30 inner annular space of seal ring, so that the inner ring surface of the periphery face contact of connector 24 sealing ring 30, and the connector 24 The other end exposes from perforation 15, to connect with the device outside box body 10.

It is noted that the outer diameter due to sealing ring 30 uses the design of d1 > d3 > d2, it loads onto, has in group Have convenient for sealing ring 30 to be filled in the effect in perforation 15；Moreover, after assembling, since the sealing ring 30 is in box body 10 The outside diameter d 1 of side is greater than the outside diameter d 3 close to the outside of box body 10, therefore, when covering upper cover 14 so that connector 24 be placed through it is close When in seal ring 30, has the effect of being not easy to squeeze out sealing ring 30 from upper cover 14, extrude, in other words, can more effectively make Achieve the effect that tight fit between sealing ring 30 and upper cover 14.

Further it is mentioned that, since the inner ring surface of sealing ring 30 adopts the design of concave arc shape, when being intended to fill in connector 24 When the inner annular space of sealing ring 30, the outer peripheral surface of connector 24 can only contact first 32a and of the inner ring surface of sealing ring 30 Two 32b, and the third portion 32c of the inner ring surface of sealing ring 30 is due to the relationship that inwardly concaves, and not in contact with the connector 24, such as This one, during connector 24 is filled in sealing ring 30, suffered frictional resistance is smaller, and has and be easy to connector 24 effects filled in.

In addition to this, the design of the concave arc shape inner ring surface of sealing ring 30 may make first 32a and second of sealing ring 30 The contact area that portion 32b is contacted with connector 24 is smaller, and when contact area is smaller, relatively, first of sealing ring 30 The pressure of 32a and second 32b outer peripheral surface for bestowing connector 24 are bigger, along with sealing ring 30 is by flexible material It is made, therefore, first 32a and second 32b of sealing ring 30 will form the effect of some micro-elasticities deformation, and more be taken It is affixed on the outer peripheral surface of connector 24, and then reaches good waterproof and dustproof effect, and can effectively obstruct the water outside box body 10 The foreign matters such as gas, dust are invaded from the gap between perforation, sealing ring and connector in box body 10.

In addition, causing the first segment 30a of sealing ring 30 to be easy to produce when to prevent sealing ring 30 from filling in perforation 15 and turning up Happen, be formed with an annular groove 154 in the abutment face 152 of the perforation 15 is recessed, and the side cell wall of the annular groove 154 can but simultaneously It is not limited to be connected to the first wall surface 151 of perforation 15.Wherein, being intended for the annular groove 154 is designed, when sealing ring 30 is filled in Perforate 15 when, 32 only a part of terrace of the sealing ring 30 is posted by the abutment face 152 of perforation 15, and terrace 32 is close to sealing The part of 30 first segment 30a outer peripheral surface of ring is influenced and hanging by annular groove 154, and the terrace 32 and annular groove of the sealing ring 30 The space S formed is surrounded between 154 and forms the effect of class vacuum, and can be inhaled the first segment 30a of sealing ring 30 by pressure It handles, and is not easy to leave abutment face 152, in this way, can be snugly more closely and close between sealing ring 30 and perforation 15 It is more preferable to seal effect.

It is further mentioned that, in the abutment face 152 of the perforation 15 and the junction of the second wall surface 153 in convex arc shaped, the sealing The terrace 32 of ring 30 is in complementary concave arc shape with the junction of second outer ring surface 33, in this way, be set in sealing ring 30 Perforation 15 in when, between the sealing ring 30 and the perforation 15 can snugly more closely, and then promoted Electronic Control Box waterproof, Dust-proof effect.

In conclusion the design that Electronic Control Box and sealing ring through the invention is innovated in structure, it can be effectively The waterproof and dustproof function of Electronic Control Box is promoted, and since its spare part is considerably succinct, and it is organized a cube formula and is easy to apply Make, therefore for operating personnel, is assembled, disassembled and safeguarded etc. that the smooth performance of operations effectively improves, and its The water proof and dust proof reliability of sealing is still on certain level.

Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention Within the scope of shield.

Claims

1. a kind of Electronic Control Box has a box body and a controller；The box body has a perforation；The controller is set to this It in box body and include that at least a connector, connector wears the perforation；It is characterized by:

The perforation has one first hole section being sequentially coaxially disposed from the inside of the box body toward outside, one second hole section and one the Three hole sections, the aperture of first hole section are D1, and the aperture of second hole section is D2, and the aperture of the third hole section is D3, are met The following conditions: D1 > D3 > D2；

One sealing ring is set in the perforation, which has a first segment, a second segment and a third section, wherein should The outer ring surface of first segment is butted on the hole wall of first hole section, and the outer ring surface of the second segment is butted on the hole wall of second hole section, this Three sections of outer ring surface is butted on the hole wall of the third hole section；

The inner ring surface of the periphery face contact of the connector sealing ring.

2. Electronic Control Box according to claim 1, which is characterized in that the inner ring surface of the sealing ring includes one first Portion, one second and a third portion；This first is not butted on the outer peripheral surface of the connector with the second part；The third position Between this first and this second, and the third portion is not in contact with the connector.

3. Electronic Control Box according to claim 1 or 2, which is characterized in that the inner ring surface of the sealing ring is in concave arc shape.

4. Electronic Control Box according to claim 1, which is characterized in that

First hole section of the perforation has one first wall surface, which has one second wall surface, which has one to support By face, towards in the box body, which is connected between first wall surface and second wall surface；

The first segment of the sealing ring has one first outer ring surface, abuts first wall surface；The second segment has one second outer ring Face abuts second wall surface；The sealing ring has a terrace, is connected between first outer ring surface and second outer ring surface, should Terrace is abutted against with the abutment face.

5. Electronic Control Box according to claim 4, which is characterized in that the abutment face is recessed to be formed with an annular groove.

6. Electronic Control Box according to claim 5, which is characterized in that the side cell wall of the annular groove and first wall surface connect It is logical.

7. Electronic Control Box according to claim 4, which is characterized in that the abutment face of the perforation and second wall surface Junction is in convex arc shaped；The terrace of the sealing ring and the junction of second outer ring surface are in concave arc shape.