CN100477054C

CN100477054C - Relay with protection cover

Info

Publication number: CN100477054C
Application number: CNB200610004810XA
Authority: CN
Inventors: 李希哲
Original assignee: BAIRONG ELECTRONICS Co Ltd
Current assignee: BAIRONG ELECTRONICS Co Ltd; Excel Cell Electronic Co Ltd
Priority date: 2006-01-11
Filing date: 2006-01-11
Publication date: 2009-04-08
Anticipated expiration: 2026-01-11
Also published as: CN101000839A

Abstract

A relay with protective cover consists of base plate, shell, shell jacket, control unit set in shell and protective cover pin-jointed on shell jacket. It is featured as arranging multiple wire connection unit being projected on shell jacket at control unit and enabling to pin-turn said protective cover to cover or to expose said wire connection units for protecting personnel from accident of electric shock.

Description

The relay of tool over cap

Technical field

The present invention relates to a kind of relay, particularly relates to a kind of relay of tool over cap.

Background technology

As shown in Figure 1, a kind of in the past relay comprises a base plate 10, and is arranged at housing 11 on this base plate 10 and four wire connecting portion 12 that are arranged on this housing 11.

This base plate 10 is heating panels.

This housing 11 comprises that a surrounding wall 111, that is connected in this base plate 10 is connected in the roof 112 of these surrounding wall 111 peripheries, an and glue filling opening 113 that is arranged at this roof 112, a control unit (figure does not show), the function to provide electric power to switch whereby are provided in these housing 11 inside.

Described wire connecting portion 12 is four corners that are arranged at this housing 11 respectively, and extends to these housing 11 internal electrical and connect this control unit, and wire connecting portion 12 can provide the connection of multiple conducting wires, to form the switch loop of changeable each wire for power.

When this base plate 10, housing 11, control unit, wire connecting portion 12 are all assembled when finishing, can further fill sealing from this glue filling opening 113, so can allow the binding of aforementioned components more firm, can isolate moisture and touch this control unit, the situation generation that makes it be unlikely easy oxidation, break down, the more important thing is, can also make easier this base plate 10 that conducts to of temperature of electronic component, reach the function that increases integral heat sink.

Yet,, and also can isolate aqueous vapor and touch this control unit though this relay can reach the function that electric power switches, but in manufacture process and use, still there are many shortcomings to produce, so that the necessity of improvement is arranged, better quality and result of use just can be provided, such as:

1. because this housing 11 is the surfaces (for example lock knot) that are fixedly connected to this base plate 10, see through the mode of filling sealing again and do binding, so in configuration aspects, in fact both do not have each other the directly robust structure of joint, driving fit, so permanent the use down has the slit to produce, so that moisture is invaded easily easily between this housing 11 and the base plate 10, this housing 11 shakes easily, the firm and safety that influence is installed, used.

2. in the process of filling sealing, because the operating personnel observes occupied state by this glue filling opening 113, but the degree of depth of this glue filling opening 113 is but very shallow, so be inconvenient to observe filling extent, so just cause operation to ease up, even have the situation generation that allows sealing overflow because of general idea, influence the smoothness and the usefulness of whole manufacturing process.

3. the more important thing is in addition in use, because wire connecting portion 12 is to be in exposed state, so in case the electric power conducting, and when having personnel to touch wire connecting portion 12 accidentally, the situation that then is easy to electric shock takes place, and the defencive function of safety can't be provided in the use.

Summary of the invention

Therefore, purpose of the present invention is to be to provide rapider smoothness in more sturdy and durable on a kind of structure, the manufacturing, more meets the relay of the tool over cap of demand for security in the use.

So the relay of tool over cap of the present invention comprises a base plate, a housing, a clamshell, a control unit, and an over cap.

This housing is to extend upward from this base plate periphery.

This clamshell is the top that is covered in this housing, and comprise that left side wall, front and back of extending front and back are extended and with respect to extending and be connected in the roof of this left and right sidewall, a plurality of arcwall that under the forward and backward side direction of this roof, extends respectively to recessed hollow-out parts of stretching, two from this roof in right side wall, front and back of this left side wall, and one coated the room that defines by this base plate, housing, clamshell, described hollow-out parts is to be formed between this left and right sidewall and this arcwall, and is distributed in the forward and backward both sides of this roof.

This control unit is to be arranged in this room, and comprises a plurality of wire connecting portion that convexedly stretch in this hollow-out parts.

This over cap comprises that two extend to the middle articulated section of this arcwall respectively; this articulated section is the and arranged on left and right sides that is articulated in this arcwall; this over cap can cover by pivoting and open the hollow-out parts that is positioned at forward and backward both sides, firmly reaches the wire connecting portion of exposing this control unit to cover whereby.

Whereby; the user just can open this over cap earlier; make wire connecting portion to expose; again multiple conducting wires is done with wire connecting portion and be electrically connected; so just can form the switch loop of changeable each wire for power, when all leads connections were finished, this over cap that further pivots covered wire connecting portion; so just can fully intercept contacting of extraneous and wire connecting portion, reach protection personnel avoid the getting an electric shock result of use of generation.

Description of drawings

Fig. 1 is a stereogram, and a relay construction in the past is described;

Fig. 2 is a three-dimensional exploded view, and relay one preferred embodiment of tool over cap of the present invention is described;

Fig. 3 is a stereogram, illustrates that in above-mentioned this preferred embodiment, each forms the binding situation of member;

Fig. 4 is an end view, and an over cap closing state is described in above-mentioned this preferred embodiment;

Fig. 5 is a partial sectional view along Fig. 3 center line 5-5, illustrates that each forms the configuration scenario of member in above-mentioned this preferred embodiment;

Fig. 6 is an end view, and the state of this over cap pull-up is described in above-mentioned this preferred embodiment;

Fig. 7 is an end view, and the state that this over cap is opened is described in above-mentioned this preferred embodiment.

Embodiment

The present invention is described in detail below in conjunction with drawings and Examples.

Shown in Fig. 2,3,4, relay one preferred embodiment of tool over cap of the present invention comprises a base plate 20, a housing 30, a clamshell 40, a control unit 50, and an over cap 60.

Shown in Fig. 2,3,5, this base plate 20 is heating panels, and comprises a diapire 21 and a connecting wall 22.

This diapire 21 has one first plate face 211, second a plate face 212 in contrast to this first plate face 211, and one be connected in these first and second plate face 211,212 peripheries around face 213.

This connecting wall 22 is to protrude out this around face 213, and has one and extend to this around face 213 and be the depressed part 221 of recess with respect to this second plate face 212.

This housing 30 is directly to rabbet these base plate 20 peripheries to extend upward, and comprise one from the upwardly extending surrounding wall of these base plate 20 peripheries 31, two respectively from the upwardly extending grab 32 of these surrounding wall 31 and arranged on left and right sides, and a plurality of location divisions 33 that convexedly stretch in these surrounding wall 31 inside.

This surrounding wall 31 is to be coated on this connecting wall 22 to form interlocking, and reserve a slight void this depressed part 221 with around between the face 213, make the ejaculation material that has more can overflow past this slight void and be unlikely and influence the attractive in appearance of finished product.

This clamshell 40 is to be covered in this housing 30 tops, and comprise that left side wall 41, front and back of extending front and back are extended and with respect to the right side wall 42, two of this left side wall 41 be arranged in this left and

right sidewall

41,42 and corresponding to hole clipping 43, front and back of grab 32 extend and the roof 44, that is connected in this left and

right sidewall

41,42 be arranged in this roof 44 perforation 45, a plurality of from this roof 44 to the recessed hollow-out parts of stretching 46, two arcwalls 47 that under these roof 44 forward and backward side direction, extend respectively, and one by this base plate 20, housing 30, clamshell 40 room 48 that defines that coats.

This housing 30 is to link with engaging of hole clipping 43 by grab 32 with clamshell 40, and the first plate face 211 of this base plate 20 is towards this room 48, and the second opposite plate face 212 is to expose this room 48 outsides.

Described hollow-out parts 46 has four in this preferred embodiment, and is on average to be formed between this left and

right sidewall

41,42 and this arcwall 47, and is distributed in the forward and backward both sides of this roof 44.

Described arcwall 47 has the two sliding ditches 471 that lay respectively at and arranged on left and right sides and from bottom to top extend.

This control unit 50 is to be arranged in this room 48, and comprise that mainly a circuit board 51, with a perforation 511 is electrically connected this circuit board 51 and is electrically connected this circuit board 51 and is connected in the power component 53 of this base plate 20 corresponding to the light-emitting component 52, at perforation 45 places of this clamshell 40, and a plurality of wire connecting portion 54 that protrude out to this hollow-out parts 46 from this circuit board 51.

This circuit board 51 is to be set up on the location division 33 of this housing 30, and is this room 48 to be separated out one coat the heat extraction space of defining 481 with this housing 30, base plate 20, but this heat extraction space 481 is the sealings 482 that are full of heat conduction.

This over cap 60 comprises two respectively from the forward and backward articulated section 61 that extends in the middle of the arcwall 47, and the through hole 62 of a plurality of hollow-out parts 46 corresponding to this clamshell 40.

Cooperate shown in Figure 4; this articulated section 61 is a pair of lamellar bodies; and have two respectively from described lamellar body towards left and right outstanding protruding grain 611; described protruding grain 611 is to be embedded in the sliding ditch 471 of arcwall 47; whereby to be articulated in the and arranged on left and right sides of this arcwall 47; this over cap 60 can cover by pivoting or open the hollow-out parts 46 that is positioned at forward and backward both sides, whereby to cover or to expose the wire connecting portion 54 of this control unit 50.

During manufacturing; this base plate 20 is to make in advance; combine by the mode of imbedding ejection formation with this housing 30 again and finish; make both produce firm binding closely; then assemble this control unit 50 and be packed into this sealing 482; make this sealing 482 flow into this heat extraction space 481 via the perforation 511 of this circuit board 51; observe this sealing 482 up to personnel and be covered in this circuit board 51 surfaces slightly; just can stop filling operation; and owing to the filling of this sealing 482 is observed easily; so filling process is quite smooth and convenient; treat this sealing 482 cooled and solidified; further assemble this clamshell 40 again; these over cap 60 members such as grade just can be finished the relay of tool over cap of the present invention.

As Fig. 2; 4; 6; shown in 7; whereby; the user just can open this over cap 60 earlier; make wire connecting portion 54 to expose; its step is with these over cap 60 pull-ups (as shown in Figure 6); before the application of force is incited somebody to action again; one of them articulated section 61 of rear side separates (as shown in Figure 7) from this sliding ditch 471; be electrically connected so just a plurality of leads (figure does not show) can be done with wire connecting portion 54; and the switch loop of finishing changeable each wire for power; when all leads connections are finished; this over cap 60 that further pivots covers wire connecting portion 54 (as shown in Figure 4), so just can fully intercept contacting of extraneous and wire connecting portion 54, reaches protection personnel avoid the getting an electric shock result of use of generation.

What deserves to be mentioned is in addition; because 60 designs of this over cap have through hole 62 structures that should hollow-out parts 46; so when this over cap 60 covers hollow-out parts 46, still can see through through hole 62 and observe wiring state, to reach identification wiring whether substantial function rapidly.

So, see through above-mentioned explanation and can find that the relay of tool over cap of the present invention is really firm in structure On upper, the manufacturing process, and use on the safety comprehensive consideration and improvement are arranged, so its value of the product energy More exceed other products, the market competitiveness also can significantly promote, and fully satisfies to have concurrently and makes with using character Advantage satisfies application target of the present invention and function.

Claims

1. the relay of a tool over cap is characterized in that:

Described relay comprises a base plate, a housing, a clamshell, a control unit, and an over cap;

Described housing is to extend upward from described base plate periphery;

Described clamshell is the top that is covered in described housing, and comprise that left side wall, front and back of extending front and back are extended and with respect to extending and be connected in the roof of described left and right sidewall, a plurality of arcwall that under the forward and backward side direction of described roof, extends respectively to recessed hollow-out parts of stretching, two from described roof in right side wall, front and back of described left side wall, and one coated the room that defines by described base plate, housing, clamshell, described hollow-out parts is to be formed between described left and right sidewall and the described arcwall, and is distributed in the forward and backward both sides of described roof;

Described control unit is to be arranged in the described room, and comprises a plurality of wire connecting portion that convexedly stretch in described hollow-out parts; And

Described over cap comprises that two extend to the middle articulated section of described arcwall respectively; described articulated section is the and arranged on left and right sides that is articulated in described arcwall; described over cap can cover by pivoting or open the hollow-out parts that is positioned at forward and backward both sides, whereby to cover or to expose the wire connecting portion of described control unit.

2. the relay of tool over cap as claimed in claim 1 is characterized in that: described housing is a periphery of rabbeting described base plate regularly.

3. the relay of tool over cap as claimed in claim 2; it is characterized in that: described base plate comprises a diapire and a connecting wall; described diapire has first a plate face towards described room, in contrast to the described first plate face and the second plate face that exposes; and one be connected in described first and second plate face periphery around face; described connecting wall is to protrude out the described face that centers on; and have one and be the depressed part of recess with respect to the described second plate face, described housing is around the described connecting wall of interlocking.

4. the relay of tool over cap as claimed in claim 1; it is characterized in that: described housing comprises one from the upwardly extending surrounding wall of described base plate periphery; reach two respectively from the upwardly extending grab of described surrounding wall and arranged on left and right sides; described clamshell comprises that also two are arranged in described left and right sidewall and corresponding to the hole clipping of grab, described housing is to link with engaging of hole clipping by grab with clamshell.

5. the relay of tool over cap as claimed in claim 1 is characterized in that: described control unit is the heat extraction space that described room is separated out an adjacent described base plate, but described heat extraction space is the sealing that is full of heat conduction.

6. the relay of tool over cap as claimed in claim 5; it is characterized in that: described housing comprises one from the upwardly extending surrounding wall of described base plate periphery; and a plurality of location divisions that convexedly stretch in described surrounding wall inside; described control unit is to be set up on the described location division, and defines described heat extraction space with described housing, base plate coating.

7. the relay of tool over cap as claimed in claim 1; it is characterized in that: the arcwall of described clamshell has the two sliding ditches that lay respectively at and arranged on left and right sides and from bottom to top extend; the articulated section of described over cap is a pair of lamellar body; and have two respectively from described lamellar body towards left and right outstanding protruding grain, described protruding grain is to be embedded in the sliding ditch.

8. the relay of tool over cap as claimed in claim 1 is characterized in that: described over cap also comprises the through hole of a plurality of hollow-out parts corresponding to described clamshell.

9. the relay of tool over cap as claimed in claim 1; it is characterized in that: described base plate is a heating panel; described clamshell comprises that also one is arranged in the perforation of described roof; described control unit comprises also that a circuit board with a perforation, is electrically connected described circuit board and corresponding to the light-emitting component of described perforation place, and one is electrically connected described circuit board and is connected in the power component of described base plate.