CN202712077U - Mini-sized large power relay - Google Patents

Mini-sized large power relay Download PDF

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Publication number
CN202712077U
CN202712077U CN 201220314241 CN201220314241U CN202712077U CN 202712077 U CN202712077 U CN 202712077U CN 201220314241 CN201220314241 CN 201220314241 CN 201220314241 U CN201220314241 U CN 201220314241U CN 202712077 U CN202712077 U CN 202712077U
Authority
CN
China
Prior art keywords
armature
projection
yoke
contact spring
movable contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220314241
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Chinese (zh)
Inventor
王铁伟
王坚敏
潘明光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO TIANBO WEIYE ELECTRIC APPLIAINCES CO Ltd
Original Assignee
NINGBO TIANBO WEIYE ELECTRIC APPLIAINCES CO Ltd
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Filing date
Publication date
Application filed by NINGBO TIANBO WEIYE ELECTRIC APPLIAINCES CO Ltd filed Critical NINGBO TIANBO WEIYE ELECTRIC APPLIAINCES CO Ltd
Priority to CN 201220314241 priority Critical patent/CN202712077U/en
Application granted granted Critical
Publication of CN202712077U publication Critical patent/CN202712077U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a mini-sized large power relay comprising a pedestal, a yoke, an armature, a movable reed, and a skeleton winded around a coil. One end of the movable reed is fixedly connected with the yoke, and a middle part of the movable reed is fixedly connected with the armature. The other end of the movable reed is provided with a movable contact point. An outer side of the armature close to the yoke is provided with a first position-restricted projection, and one end of the yoke close to the armature is also provided with a first stop block used for stopping the first position-restricted projection. The mini-sized large power relay adopting the above mentioned structure has a high reliability.

Description

Small high-power relay
Technical field:
The utility model relates to the relay field, relates in particular to a kind of small high-power relay.
Background technology:
Relay is a kind of switching device with Current Control, usually is applied in the automatic control circuit, and it is actually a kind of a kind of " automatic switch " with the larger electric current of small electric diffluence control is requisite device in the automatic control circuit.(the small-sized size of longest edge that generally refers to is greater than 10mm for small high-power relay, and the relay less than 25mm, the high-power relay of rated current more than 10A that refer to) because its volume is little, high-power advantage is widely used in household electrical appliance, communication equipment and the automobile circuit etc.
Existing small high-power relay comprises shell, pedestal, two static contact spring pieces, movable contact spring, armature, yokes and is twining the skeleton of coil, skeleton and yoke are installed on the pedestal, one end and the yoke of movable contact spring are fixed, middle part and the armature of movable contact spring are fixed, the other end of movable contact spring is provided with moving contact, described the first static contact spring piece is provided with the first fixed contact, the second static contact spring piece is provided with the second fixed contact, moving contact and the first fixed contact or the second fixed contact are fitted, during assembling, described jacket and is connected with pedestal around coil.Since in this relay without any the stopping means of restriction armature or movable contact spring position, therefore, in the process of movable contact spring action, be easy to swing, so that contacting of fixed contact and moving contact is incomplete, thereby cause loose contact, cause the electric conductivity of contact to descend, therefore the reliability of existing this small high-power relay is lower.
The utility model content:
The technical problem that the utility model solves is, overcomes existing technological deficiency, provides a kind of reliability high small high-power relay.
The technical scheme that the utility model provides is: the utility model provides a kind of small high-power relay, it comprises pedestal, yoke, armature, movable contact spring and is twining the skeleton of coil, one end and the yoke of movable contact spring are fixed, middle part and the armature of movable contact spring are fixed, the other end of movable contact spring is provided with moving contact, position near yoke on the outer side edges of described armature also is provided with the first spacing preiection, and an end of the close armature of described yoke also is provided be used to the first block that stops the first spacing preiection.
Position near yoke on the inner side edge of described armature also is provided with the second spacing preiection, one end of the close armature of described yoke is provided be used to the second block that stops the second spacing preiection, described the first block, the second block and yoke consist of groove shapes, and an end of described armature is placed in this groove.Adopt this structure both can prevent the side oscillation outwardly of movable contact spring and armature, can prevent that again movable contact spring and armature from inwards swinging, the position that makes moving contact on the movable contact spring is relative with the position of fixed contact on the static contact spring piece all the time, and reliability is higher.
Described the first block, the second block and yoke are one-body molded.Adopt this structure, easy to process, mechanical strength is high.
In the utility model, small high-power relay position near yoke on the outer side edges of armature is provided with the first spacing preiection, when if armature swings outwardly, this first spacing preiection can be propped up by first block of yoke near an end of armature, prevent that armature from outwards swinging, can in case the stop reed outwards swing, thereby make the moving contact that is located at the movable contact spring other end relative with the position of fixed contact on the static contact spring piece all the time, prevent that the electric conductivity that loose contact causes from descending, reliability is high.
As improvement, described small high-power relay also comprises shell, and the madial wall of described shell is provided with at least one step-like projection that offsets for the outer side edges with armature.Setting table scalariform projection on the inner side edge of shell is used for propping up armature during assembling, prevent that armature from swinging, thereby make the moving contact on the movable contact spring relative with the position of fixed contact all the time, and prevent that the electric conductivity that loose contact causes from descending, reliability is high.
As further improvement, described each step-like projection comprises rectangle the first projection and one second projection that is pasting the shell inner bottom part, the first projection and the second projection consist of step-like projection, the height of aspect ratio second projection of described the first projection is high, the side of described the first projection and the outer side edges of armature offset, and leave the space between the top margin of described the second projection and the movable contact spring.Adopt this structure, the side of the first projection and the outer side edges of armature offset, and prevent that armature from swinging laterally, leave the space between the top margin of the second projection and the movable contact spring, prevent step-like projection, have influence on swinging up and down of movable contact spring.
Description of drawings:
Accompanying drawing 1 is the structural representation (after removing shell) of the utility model small high-power relay;
Accompanying drawing 2 is the schematic side view (after removing shell) of the utility model small high-power relay;
Accompanying drawing 3 is the schematic top plan view (after removing shell) of the utility model small high-power relay;
Accompanying drawing 4 is the structural representation of the shell of the utility model small high-power relay;
Accompanying drawing 5 is the elevational schematic view of the utility model small high-power relay;
Accompanying drawing 6 is that B-B among Fig. 5 is to cutaway view;
As shown in the figure: 1, pedestal, 2, yoke, the 2.1, first block, 2.2, the second block, 3, armature, the 3.1, first spacing preiection, 3.2, the second spacing preiection, 4, movable contact spring, 4.1, moving contact, 5, coil, 6, skeleton, 7, static contact spring piece, 7.1, fixed contact, 8, shell, 9, step-like projection, 9.1, the first projection, the 9.2, second projection.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is elaborated:
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6: the utility model provides a kind of small high-power relay, it comprises pedestal 1, yoke 2, armature 3, movable contact spring 4 and twining the skeleton 6 of coil 5, one end of movable contact spring 4 and yoke 2 are fixing, the middle part of movable contact spring 4 and armature 3 are fixing, the other end of movable contact spring 4 is provided with moving contact 4.1, be equipped with fixed contact 7 in the above and below of moving contact 4.1, armature 3 drives movable contact spring 4 and can swing up and down with respect to yoke 2, after coil 5 energisings, coil 5 attracts armature 3, armature 3 drives movable contact spring 4 to lower swing, contact with the fixed contact 7 of below thereby drive moving contact 4.1, behind the coil blackout, because the elasticity of movable contact spring 4, movable contact spring 4 upwards resets, and moving contact 4.1 contacts with the fixed contact 7 of top.Position near yoke 2 on the outer side edges of described armature 3 also is provided with the first spacing preiection 3.1, and an end of the close armature of described yoke 2 also is provided be used to the first block 2.1 that stops the first spacing preiection 3.1, the i.e. upper end of yoke 2 among Fig. 2.
Operation principle of the present utility model is: if when armature swings outwardly, this first spacing preiection can be propped up by first block of yoke near an end of armature, prevent that armature from outwards swinging, get final product in case the stop reed outwards swings, the mount pad that generally is provided with the static contact spring piece 7 of fixed contact 7.1 can play and block the effects that moving contact 4.1 inwardly swings, thereby makes the moving contact that is located at the movable contact spring other end relative with the position of fixed contact on the static contact spring piece all the time.
Position near yoke 2 on the inner side edge of described armature 3 also is provided with the second spacing preiection 3.2, one end of the close armature of described yoke 2 is provided be used to the second block 2.2 that stops the second spacing preiection 3.2, described the first block 2.1, the second block 2.2 and yoke 2 consist of groove shapes, and an end of described armature 3 is placed in this groove.Adopt this structure both can prevent the side oscillation outwardly of movable contact spring and armature, can prevent that again movable contact spring and armature from inwards swinging, the position that makes moving contact on the movable contact spring is relative with the position of fixed contact on the static contact spring piece all the time, and reliability is higher.
Described the first block 2.1, the second block 2.2 and yoke 2 are one-body molded.Adopt this structure, easy to process, mechanical strength is high.
As improvement, the madial wall of described shell 8 is provided with at least one and is used for and the outer side edges of armature 3 offsets step-like protruding 9.Setting table scalariform projection on the inner side edge of shell is used for propping up armature during assembling, prevent that armature from swinging, thereby make the moving contact on the movable contact spring relative with the position of fixed contact all the time, and prevent that the electric conductivity that loose contact causes from descending, reliability is high.
Described each step-like protruding 9 comprise rectangle the first projection 9.1 and one second projection 9.2 that is pasting shell 8 inner bottom parts, the first projection 9.1 and the second projection 9.2 consist of step-like projection, the height of aspect ratio second projection 9.2 of described the first projection 9.1 is high, the outer side edges of the side of described the first projection 9.1 and armature 3 offsets, and leaves the space between the top margin of described the second projection 9.2 and the movable contact spring 4.Adopt this structure, the side of the first projection and the outer side edges of armature offset, and prevent that armature from swinging laterally, leave the space between the top margin of the second projection and the movable contact spring, prevent step-like projection, have influence on swinging up and down of movable contact spring.

Claims (5)

1. small high-power relay, it comprises pedestal (1), yoke (2), armature (3), movable contact spring (4) and twining the skeleton (6) of coil (5), one end of movable contact spring (4) and yoke (2) are fixing, the middle part of movable contact spring (4) and armature (3) are fixing, the other end of movable contact spring (4) is provided with moving contact (4.1), it is characterized in that: the position near yoke (2) on the outer side edges of described armature (3) also is provided with the first spacing preiection (3.1), and an end of the close armature of described yoke (2) also is provided be used to the first block (2.1) that stops the first spacing preiection (3.1).
2. small high-power relay according to claim 1, it is characterized in that: the position near yoke (2) on the inner side edge of described armature (3) also is provided with the second spacing preiection (3.2), and an end of the close armature of described yoke (2) is provided be used to the second block (2.2) that stops the second spacing preiection (3.2).
3. small high-power relay according to claim 1, it is characterized in that: described the first block (2.1), the second block (2.2) and yoke (2) are one-body molded.
4. small high-power relay according to claim 1, it is characterized in that: it also comprises shell (8), the madial wall of described shell (8) is provided with at least one and is used for step-like projection (9) that the outer side edges with armature (3) offsets.
5. small high-power relay according to claim 4, it is characterized in that: described each step-like projection (9) comprises rectangle the first projection (9.1) and one second projection (9.2) that is pasting shell (8) inner bottom part, the first projection (9.1) and the second projection (9.2) consist of step-like projection, the height of aspect ratio second projection (9.2) of described the first projection (9.1) is high, the outer side edges of the side of described the first projection (9.1) and armature (3) offsets, and leaves the space between the top margin of described the second projection (9.2) and the movable contact spring (4).
CN 201220314241 2012-06-27 2012-06-27 Mini-sized large power relay Expired - Fee Related CN202712077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220314241 CN202712077U (en) 2012-06-27 2012-06-27 Mini-sized large power relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220314241 CN202712077U (en) 2012-06-27 2012-06-27 Mini-sized large power relay

Publications (1)

Publication Number Publication Date
CN202712077U true CN202712077U (en) 2013-01-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220314241 Expired - Fee Related CN202712077U (en) 2012-06-27 2012-06-27 Mini-sized large power relay

Country Status (1)

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CN (1) CN202712077U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102723240A (en) * 2012-06-27 2012-10-10 宁波天波纬业电器有限公司 Small high-power relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102723240A (en) * 2012-06-27 2012-10-10 宁波天波纬业电器有限公司 Small high-power relay
CN102723240B (en) * 2012-06-27 2015-07-08 宁波天波纬业电器有限公司 Small high-power relay

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130130

Termination date: 20170627