CN104103458B - Contact support spring limiting structure - Google Patents
Contact support spring limiting structure Download PDFInfo
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- CN104103458B CN104103458B CN201410293961.6A CN201410293961A CN104103458B CN 104103458 B CN104103458 B CN 104103458B CN 201410293961 A CN201410293961 A CN 201410293961A CN 104103458 B CN104103458 B CN 104103458B
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- groove
- spring
- contact
- limiting structure
- containing cavity
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Abstract
The invention discloses a contact support spring limiting structure which comprises contact supports, moving contacts and springs, wherein at least one containing cavity is formed on each contact support; the moving contacts are mounted in the containing cavities; three arc limiting sections are formed at intervals at at least one end of the top and the bottom of each containing cavity; a concave structure is defined by every three arc limiting sections; the adjacent arc limiting sections form three intervals; first through grooves are formed by radially stretching outwards at one interval; second through grooves and third through grooves are formed by radially stretching outwards at the other two intervals, and located on the same side; the first through grooves, the second through grooves and the third through grooves are formed oppositely; one end of each spring is mounted on each moving contact; and the other end of each spring is limited in each concave structure. The contact support spring limiting structure is compact in structure, avoids falling of the springs due to uncompleted assembling, reduces the production and processing difficulty of a product, facilitates automatic assembling, improves the production efficiency, and lowers the production cost.
Description
Technical field
The present invention relates to spring limiting structure technical field, refer in particular to a kind of contact and support spring limiting structure.
Background technology
In prior art, there are some electrical equipment such as catalyst, chopper, switch etc., contact supports that spring limiting structure is general
Including contact support, spring and moving contact；Form at least one containing cavity on described contact is supported, the bottom of containing cavity is installed
Moving contact, forms first boss on moving contact, accordingly, forms second relative with first boss at the top of containing cavity convex
Platform, spring one end is arranged in first boss, and the other end is arranged in second boss, has a disadvantage in that：
One, because spring is installed between first boss and second boss so that during spring Automated assembly, due to first
Boss is spacing with second boss, mechanical hand need to by spring-compressed larger quantities, the easy torsional deformation of spring it is difficult to assembling, or
Person needs the accommodation space extended height of spring, to facilitate mechanical hand to pass in and out, necessarily increases contact and supports volume so that structure
Not compact, meanwhile, when mechanical hand sends into spring in containing cavity, the setting of first boss and second boss is so that containing cavity
Space is less, and mechanical hand is stopped it is difficult to be applied to Automated assembly.
Two, form second boss at the top of containing cavity, in process of production, the difficulty of processing of described second boss is relatively
Greatly.
Three, because the volume that contact is supported is restricted so that the space size of containing cavity is restricted, and in containing cavity
Top formed second boss so that the space of containing cavity diminishes further.
Content of the invention
It is an object of the invention to provide a kind of contact supports spring limiting structure, it is suitable for Automated assembly, improve life
Produce efficiency, reduce production cost, and compact conformation, easy to process.
For reaching above-mentioned purpose, the solution of the present invention is：
A kind of contact supports spring limiting structure, including contact support, moving contact and spring；Contact support on formed to
A few containing cavity, moving contact is arranged in containing cavity；Form three sections of arcs at the top of containing cavity and bottom at least one end interval
Spacing section of shape, this three sections of arc-shaped limit sections surround concave inward structure, and adjacent arc-shaped limit section forms interval, form three intervals, its
In an interval extend radially outwardly formation the first groove, and other two intervals radially outward each extend over formation the second groove
And the 3rd groove, the second groove and the 3rd groove be located at the same side, and the first groove and the second groove and the 3rd groove is relative sets
Put；Spring one end is arranged on moving contact, and the other end is limited in concave inward structure.
Further, described first groove is formed at described accommodating top of chamber and the center position of bottom at least one end.
Further, the bore of described first groove becomes larger from inside to outside, becomes bell mouth shape, and is less than at bore minimum
The diameter of spring, spring retainer is in the concave inward structure inside the minimum place of the first groove bore.
Further, the bore of described first groove is in the same size from inside to outside, becomes straight-tube shape, and bore is less than the straight of spring
Footpath, spring retainer is in the concave inward structure inside the first groove.
Further, the width of described first groove is more than or equal to the arc-shaped limit section between the second groove and the 3rd groove
Width.
Further, described concave inward structure is circle, arranges chamfering in circular concave inward structure side wall.
Further, described first groove and the second groove and the 3rd through slot shaft are to being oppositely arranged, split opposite by mould
Core pulling is formed.
After such scheme, the present invention forms the first groove, second leads in the top of containing cavity and bottom at least one end
Groove and the 3rd groove, one end of described first groove, the second groove and the 3rd groove communicates formation concave inward structure, and spring one end is pacified
It is contained on moving contact, the other end is limited in concave inward structure.
In assembling, spring is transported in mechanical hand compression, described first groove as mechanical hand slot to make way, mechanical hand by this
One groove is fed through in concave inward structure, makes spring retainer in concave inward structure, then, extracts mechanical hand out by the first groove.Due to
The resigning of the first groove, so that mechanical hand operation is unobstructed, is easy to Automated assembly, improve production efficiency, is reduced and produce into
This.
Containing cavity top and bottom at least one end formed concave inward structure so that compression identical amount of spring compression
When, the volume of containing cavity can be less compared with prior art, simultaneously as the setting of concave configuration is so that use equal length
During spring, the volume of containing cavity can be less, saves larger space, makes product structure more compact, and can be with material-saving.
Described first groove is formed at the center position of described accommodating top of chamber and bottom at least one end so that mechanical hand exists
During assembling spring, turnover the first groove is more convenient, is easy to Automated assembly further.
Described first groove is formed by the split opposite core pulling of mould with the second groove and the 3rd groove, can simplify mould
Structure, and die cost can be reduced and improve die life.
Brief description
Fig. 1 is the perspective view of the present invention（Wherein one spring takes out）；
Fig. 2 is the front view of the present invention；
Fig. 3 is the sectional view in Fig. 2A-A direction（Wherein one spring takes out）；
Fig. 4 is another perspective view of the present invention；
Fig. 5 is the sectional view in Fig. 4 B-B direction；
Fig. 6 is another angle perspective view of the present invention.
Label declaration
Contact supports 1 containing cavity 11
Arc-shaped limit section 111 concave inward structure 112
First groove 113 second groove 114
3rd groove 115 interval 10
Spring 2 moving contact 3
Boss 31.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in detail.
Refering to shown in Fig. 1 to Fig. 6, a kind of contact that the present invention discloses supports spring limiting structure, include contact support 1,
Spring 2 and moving contact 3.
As shown in figure 1, supporting to form at least one containing cavity 11 on 1 in contact, moving contact 3 is arranged in containing cavity 11.
As shown in figure 3, forming three sections of arc-shaped limit sections 111 at the top of containing cavity 11 and bottom at least one end interval, should
Three sections of arc-shaped limit sections 111 that interval is formed surround concave inward structure 112, and adjacent arc-shaped limit section 111 forms interval 10, forms three
Individual interval 10, extend radially outwardly at wherein one interval 10 formation the first groove 113, and radially outward divides at other two intervals 10
The second groove 114 and the 3rd groove 115 Yan Shen not formed, the second groove 114 and the 3rd groove 115 are located at the same side, and first
Groove 113 is oppositely arranged with the second groove 114 and the 3rd groove 115.Spring 2 one end is arranged on moving contact 3, and the other end is spacing
In concave inward structure 112.
In the present embodiment, install for convenience of spring 2 one end, boss 31 is formed on dynamic moving contact 3, spring 2 one end is installed
On moving contact 3 boss 31.
In assembling, spring 2 is transported in mechanical hand compression, described first groove 113 as mechanical hand slot to make way, mechanical hand by
This first groove 113 is fed through in concave inward structure 112, so that spring 2 is limited in concave inward structure 112, then, by the first groove
113 extraction mechanical hands.Because the resigning of the first groove 113 is so that mechanical hand operation is unobstructed, mechanical hand turnover is more square
Just, consequently facilitating Automated assembly.
Form concave inward structure 112 at the top of containing cavity 11 and bottom at least one end so that pressing in compression identical spring 2
During contracting amount, the volume of containing cavity 11 can be less compared with prior art, saves larger space, makes product structure more compact, and permissible
Material-saving.
Described first groove 113 is formed at the center position of described containing cavity 11 top and bottom at least one end so that machine
Tool handss assemble spring 2 when, turnover the first groove 113 more convenient, be easy to Automated assembly further, and be arranged on top and
The center position of bottom at least one end, convenient production molds.
The bore of described first groove 113 becomes larger from inside to outside, becomes bell mouth shape, and is less than spring at bore minimum
2 diameter, spring 2 is limited in the concave inward structure 112 of inner side at the first groove 113 bore minimum so that spring 2 will not be easily
Come off, reliable putting in place installed by spring 2.
Certainly, the bore of described first groove 113 can also be in the same size from inside to outside, become straight-tube shape, and bore is little
In the diameter of spring 2, spring 2 is limited in the concave inward structure 112 of the first groove 113 inner side.
The width of described first groove 113 is more than or equal to the arc-shaped limit between the second groove 114 and the 3rd groove 115
The width of section, facilitates mould core pulling and molding the first groove 113, the second groove 114 and the 3rd groove 115.
Generally spring 2 is circular cylindrical shape spring, and described concave inward structure 112 is circle, sets in circular concave inward structure 112 side wall
Put chamfering so that spring 2 will not be hooked by concave inward structure 112.
Described first groove 113 and the second groove 114 and the axially opposing setting of the 3rd groove 115 are so that the first groove 111
Can be formed by the split opposite core pulling of mould with the second groove 112 and the 3rd groove 113, mould structure can be simplified, and can
Reduce die cost and improve die life.
In the present embodiment, the material of described contact support 1 is high temperature resistant, electric arc resistant material, to extend making of contact support 1
Use the life-span.
The present invention illustrates contact taking catalyst as a example and supports spring limiting structure, and contact of the present invention supports bullet
Spring position limiting structure can also be applied to the electrical equipment such as chopper, switch.
The term positions such as " upper and lower, left and right, inside and outside " involved by herein, are only intended to the convenience describing, and are not used to
Limit the present invention.
The foregoing is only presently preferred embodiments of the present invention, not the restriction to this case design, all designs according to this case are closed
The equivalent variations that key is done, each fall within the protection domain of this case.
Claims (6)
1. a kind of contact supports spring limiting structure, including contact support, moving contact and spring；Formed at least on contact is supported
One containing cavity, moving contact is arranged in containing cavity；It is characterized in that：In the top of containing cavity and bottom at least one end interval shape
Become three sections of arc-shaped limit sections, this three sections of arc-shaped limit sections surround concave inward structure, adjacent arc-shaped limit section forms interval, form three
Interval, wherein one interval extends radially outwardly and forms the first groove, and other two intervals radially outward each extend over and formed
Second groove and the 3rd groove, the second groove and the 3rd groove are located at the same side, and the first groove and the second groove and threeway
Groove is oppositely arranged；Spring one end is arranged on moving contact, and the other end is limited in concave inward structure.
2. as claimed in claim 1 a kind of contact support spring limiting structure it is characterised in that：Described first groove is formed at
Described accommodating top of chamber and the center position of bottom at least one end.
3. as claimed in claim 1 or 2 a kind of contact support spring limiting structure it is characterised in that：Described first groove
Bore becomes larger from inside to outside, becomes the diameter less than spring at bell mouth shape, and bore minimum, spring retainer is in the first groove
In the concave inward structure of inner side at bore minimum.
4. as claimed in claim 1 or 2 a kind of contact support spring limiting structure it is characterised in that：Described first groove
Bore is in the same size from inside to outside, becomes straight-tube shape, and bore is less than the diameter of spring, spring retainer inside the first groove in
In recessed structure.
5. as claimed in claim 4 a kind of contact support spring limiting structure it is characterised in that：The width of described first groove
Width more than or equal to the arc-shaped limit section between the second groove and the 3rd groove.
6. a kind of contact as described in claim 1 or 2 support spring limiting structure it is characterised in that：Described concave inward structure is
Circle, arranges chamfering in circular concave inward structure side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293961.6A CN104103458B (en) | 2014-06-27 | 2014-06-27 | Contact support spring limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410293961.6A CN104103458B (en) | 2014-06-27 | 2014-06-27 | Contact support spring limiting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104103458A CN104103458A (en) | 2014-10-15 |
| CN104103458B true CN104103458B (en) | 2017-02-15 |
Family
ID=51671504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410293961.6A Active CN104103458B (en) | 2014-06-27 | 2014-06-27 | Contact support spring limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104103458B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50112767A (en) * | 1974-02-15 | 1975-09-04 | ||
| CN2653680Y (en) * | 2003-10-17 | 2004-11-03 | 厦门宏美电子有限公司 | AC contactor |
| CN2874758Y (en) * | 2005-12-30 | 2007-02-28 | 厦门宏美电子有限公司 | Trigger head module of contactor |
| KR20110079233A (en) * | 2009-12-31 | 2011-07-07 | 엘에스산전 주식회사 | Sealed cased magnetic switch |
-
2014
- 2014-06-27 CN CN201410293961.6A patent/CN104103458B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104103458A (en) | 2014-10-15 |
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