CN203070940U - Integrated normally-open and normally-closed conversion contact set - Google Patents
Integrated normally-open and normally-closed conversion contact set Download PDFInfo
- Publication number
- CN203070940U CN203070940U CN 201220687284 CN201220687284U CN203070940U CN 203070940 U CN203070940 U CN 203070940U CN 201220687284 CN201220687284 CN 201220687284 CN 201220687284 U CN201220687284 U CN 201220687284U CN 203070940 U CN203070940 U CN 203070940U
- Authority
- CN
- China
- Prior art keywords
- contact
- shaped
- reed
- normally
- compressing piece
- 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 - Lifetime
Links
Images
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Disclosed in the utility model is an integrated normally-open and normally-closed conversion contact set. With utilization of the integrated normally-open and normally-closed conversion contact set, technical problems that the existing split-type contact set has the low insulating property and the contacts insulated with each other are in the conduction state easily can be solved. The integrated normally-open and normally-closed conversion contact set is characterized in that a contact set fixed bolt through hole (4) is arranged on an integrated injection moulding insulation block (1); connecting holes are arranged on crimping sheets of an L-shaped upper contact reed, an L-shaped intermediate contact reed, and an L-shaped lower contact reed, wherein the L-shaped upper contact reed, the L-shaped intermediate contact reed and the L-shaped lower contact reed are arranged in parallel; contact points are arranged under the top ends of connecting sheets of the L-shaped upper contact reed, the L-shaped intermediate contact reed and the L-shaped lower contact reed, wherein the upper contact point (5) and the intermediate contact point (6) are in a normally-open states and the intermediate contact point (6) and the lower contact point (12) are in a normally-closed state; and tail lug plates are arranged on the crimping sheets of the L-shaped upper contact reed, the L-shaped intermediate contact reed and the L-shaped lower contact reed. According to the utility model, the insulating performances of the contact reeds are improved; and objectives of simplification of debugging work, reduction of the number of parts, and improvement of production efficiency are achieved.
Description
Technical field
The utility model relates to a kind of sets of contacts as the electrical equipment link, particularly a kind of sets of contacts of the electrical equipment link that uses in meter switch.
Background technology
Existing sets of contacts as the electrical equipment link is generally used split-type structural.The parts such as insulating sleeve that constitute contact reed, lug plate, insulation spacer and the installation usefulness of sets of contacts are split type part, need above part be superposeed according to the assemble sequence of strictness, and tightening together with screw then to form sets of contacts.This process assembling process is loaded down with trivial details, after finishing, assembling needs to carry out careful adjustment, and owing to adopt part split closed assembly, there is minim gap between the part, the sets of contacts that assembles insulation property under environment such as humidity sharply descend, make the contact of mutually insulated become conducting easily, make sets of contacts ineffective.
Summary of the invention
The utility model provides a kind of integral type normally-open normally-close change over contact group, and it is low to have solved the insulation property that the sets of contacts of existing split-type structural exists, and makes the contact of mutually insulated become the technical problem of conducting easily.
The utility model overcomes the above problems by following scheme:
A kind of integral type normally-open normally-close change over contact group, comprise the integral molded plastic collets, L shaped upper contact head reed, contact reed and L shaped contact blade down in L shaped, L shaped upper contact head reed, contact reed in L shaped, L shaped contact blade three's down structure is identical, the integral molded plastic collets are provided with sets of contacts set bolt through hole, on the compressing piece of L shaped upper contact head reed, be provided with connecting hole on the compressing piece of contact reed and on the compressing piece of L shaped contact blade down in L shaped, the compressing piece of L shaped upper contact head reed is fixedly installed in the integral molded plastic collets, the connecting hole that arranges on the compressing piece of L shaped upper contact head reed is arranges corresponding with the sets of contacts set bolt through hole that arranges on the integral molded plastic collets, the compressing piece of contact reed is fixedly installed in the integral molded plastic collets in L shaped, the connecting hole that arranges on the compressing piece of contact reed in L shaped be with the integral molded plastic collets on the corresponding setting of sets of contacts set bolt through hole that arranges, the L shaped compressing piece of contact reed down is fixedly installed in the integral molded plastic collets, the connecting hole that arranges on the compressing piece of L shaped down contact reed be with the integral molded plastic collets on the corresponding setting of sets of contacts set bolt through hole that arranges, L shaped upper contact head reed, contact reed and L shaped contact reed down are set parallel to each other in L shaped, below the top of the brace of L shaped upper contact head reed, be provided with upper contact (5), the top of contact reed is provided with middle contact in L shaped, be provided with lower contact on the L shaped top of contact reed down, upper contact and middle contact are normally closed, middle contact and lower contact are often opened, the compressing piece of L shaped upper contact head reed is provided with the tail wiring sheet, tail wiring sheet during the compressing piece of contact reed is provided with in L shaped, the L shaped compressing piece of contact reed down is provided with the lower tail lug plate.
The integral molded plastic collets are provided with two sets of contacts set bolt through holes, on the compressing piece of L shaped upper contact head reed, L shaped on the compressing piece of contact reed and the L shaped compressing piece of contact reed down be provided with two connecting holes.
The utility model with sets of contacts by the stack lug plate, insulation spacer and insulating sleeve split-type structural change insulated part integral molded plastic structure into, can be under the prerequisite that does not change contact blade installation site and installation form, reached the simplification assembly technology, improve the insulation property of contact reed, simplify debugging work and reduce the purpose that number of spare parts is enhanced productivity.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of overlooking direction of the present utility model;
Fig. 3 is the structural representation of the L shaped upper and lower contact reed of this utility model.
Embodiment
A kind of integral type normally-open normally-close change over contact group, comprise integral molded plastic collets 1, L shaped upper contact head reed 2, contact reed 3 and L shaped contact blade 11 down in L shaped, L shaped upper contact head reed 2, contact reed 3 in L shaped, L shaped contact blade 11 threes' down structure is identical, integral molded plastic collets 1 are provided with sets of contacts set bolt through hole 4, on the compressing piece 9 of L shaped upper contact head reed 2, be provided with connecting hole 10 on the compressing piece of contact reed 3 and on the compressing piece of L shaped contact blade 11 down in L shaped, the compressing piece 9 of L shaped upper contact head reed 2 is fixedly installed in the integral molded plastic collets 1, the connecting hole 10 that arranges on the compressing piece 9 of L shaped upper contact head reed 2 be with integral molded plastic collets 1 on the sets of contacts set bolt through hole 4 corresponding settings that arrange, the compressing piece of contact reed 3 is fixedly installed in the integral molded plastic collets 1 in L shaped, the connecting hole that arranges on the compressing piece of contact reed 3 in L shaped be with integral molded plastic collets 1 on the sets of contacts set bolt through hole 4 corresponding settings that arrange, the L shaped compressing piece of contact reed 11 down is fixedly installed in the integral molded plastic collets 1, the connecting hole that arranges on the compressing piece of L shaped down contact reed 11 be with integral molded plastic collets 1 on the sets of contacts set bolt through hole 4 corresponding settings that arrange, L shaped upper contact head reed 2, contact reed 3 is set parallel to each other with L shaped contact reed 11 down in L shaped, below the top of the brace of L shaped upper contact head reed 2, be provided with upper contact 5, contact 6 during the top of contact reed 3 is provided with in L shaped, be provided with lower contact 12 on the L shaped top of contact reed 11 down, upper contact 5 is normally closed with middle contact 6, often open with lower contact 12 middle contact 6, the compressing piece of L shaped upper contact head reed 2 is provided with tail wiring sheet 7, the L shaped compressing piece of contact reed 3 down is provided with middle tail wiring sheet 8, and the L shaped compressing piece of contact reed 11 down is provided with lower tail lug plate 13.
Integral molded plastic collets 1 are provided with two sets of contacts set bolt through holes 4, on the compressing piece of L shaped upper contact head reed 2, L shaped on the compressing piece of contact reed 3 and the L shaped compressing piece of contact reed 11 down be provided with two connecting holes 10.
The utility model changes contact blade into monolithic construction by fabricated construction, can reduce number of spare parts and effectively enhance productivity; Owing to adopt the injection moulding monolithic construction, can effectively improve the insulation property of contact blade, can satisfy the instructions for use of product under adverse circumstances such as humidity.
Claims (2)
1. integral type normally-open normally-close change over contact group, comprise integral molded plastic collets (1), L shaped upper contact head reed (2), contact reed (3) and L shaped contact blade (11) down in L shaped, L shaped upper contact head reed (2), contact reed (3) in L shaped, L shaped contact blade (11) three's down structure is identical, it is characterized in that, integral molded plastic collets (1) are provided with sets of contacts set bolt through hole (4), on the compressing piece (9) of L shaped upper contact head reed (2), be provided with connecting hole (10) on the compressing piece of contact reed (3) and on the compressing piece of L shaped contact blade (11) down in L shaped, the compressing piece (9) of L shaped upper contact head reed (2) is fixedly installed in the integral molded plastic collets (1), it is to go up the corresponding setting of the sets of contacts set bolt through hole (4) that arranges with integral molded plastic collets (1) that the compressing piece (9) of L shaped upper contact head reed (2) is gone up the connecting hole (10) that arranges, the compressing piece of contact reed (3) is fixedly installed in the integral molded plastic collets (1) in L shaped, the connecting hole that arranges on the compressing piece of contact reed (3) in L shaped is to go up the corresponding setting of the sets of contacts set bolt through hole (4) that arranges with integral molded plastic collets (1), the L shaped compressing piece of contact reed (11) down is fixedly installed in the integral molded plastic collets (1), the connecting hole that arranges on the compressing piece of L shaped contact reed (11) down is to go up the corresponding setting of the sets of contacts set bolt through hole (4) that arranges with integral molded plastic collets (1)
L shaped upper contact head reed (2), contact reed (3) is set parallel to each other with L shaped contact reed (11) down in L shaped, below the top of the brace of L shaped upper contact head reed (2), be provided with upper contact (5), the top of contact reed (3) is provided with middle contact (6) in L shaped, be provided with lower contact (12) on the L shaped top of contact reed (11) down, upper contact (5) is normally closed with middle contact (6), often open with lower contact (12) middle contact (6), the compressing piece of L shaped upper contact head reed (2) is provided with tail wiring sheet (7), tail wiring sheet (8) during the compressing piece of contact reed (3) is provided with in L shaped, the L shaped compressing piece of contact reed (11) down is provided with lower tail lug plate (13).
2. a kind of integral type normally-open normally-close change over contact group according to claim 1, it is characterized in that, integral molded plastic collets (1) are provided with two sets of contacts set bolt through holes (4), on the compressing piece of L shaped upper contact head reed (2), L shaped on the compressing piece of contact reed (3) and the L shaped compressing piece of contact reed (11) down be provided with two connecting holes (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220687284 CN203070940U (en) | 2012-12-13 | 2012-12-13 | Integrated normally-open and normally-closed conversion contact set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220687284 CN203070940U (en) | 2012-12-13 | 2012-12-13 | Integrated normally-open and normally-closed conversion contact set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070940U true CN203070940U (en) | 2013-07-17 |
Family
ID=48769704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220687284 Expired - Lifetime CN203070940U (en) | 2012-12-13 | 2012-12-13 | Integrated normally-open and normally-closed conversion contact set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203070940U (en) |
-
2012
- 2012-12-13 CN CN 201220687284 patent/CN203070940U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203070940U (en) | Integrated normally-open and normally-closed conversion contact set | |
| CN203070942U (en) | Integrated normally-closed contact set | |
| CN203070941U (en) | Assembling type normally-closed contact set | |
| CN202550187U (en) | Magnetic type rapid wiring device | |
| CN205487795U (en) | Novel electrical control switch | |
| CN204407197U (en) | A kind of diverter switch moving contact group | |
| CN202111232U (en) | Block type combined wire holder | |
| CN203277734U (en) | Watchband-style contact finger and plug | |
| CN203932685U (en) | A kind of conductor insulation supporting construction | |
| CN202549658U (en) | Mechanical interlocking device for three moulded case circuit breakers | |
| CN202455205U (en) | Pressure release structure of high-voltage motor wiring box | |
| CN204740976U (en) | Cellular type low pressure switch switches of working a telephone switchboard more | |
| CN202018907U (en) | Line bank with stationary contact | |
| CN202662821U (en) | Safety socket convenient for wiring | |
| CN203549114U (en) | Cable bridge capable of being assembled rapidly | |
| CN203706850U (en) | Power capacitor circuit board assembling support | |
| CN203850229U (en) | Novel secondary contact set of breaker | |
| CN204117997U (en) | A kind of integral type 3P+N residual current circuit breaker | |
| CN204088221U (en) | A kind of main contact pedestal of control and protective switching device | |
| CN202585071U (en) | 10-kV distribution transformer sealing cover | |
| CN202766800U (en) | Fork-shaped connecting rod for industrial sewing machine | |
| CN202347109U (en) | Negative plate for electrolytic copper powder | |
| CN215731566U (en) | Wiring terminal convenient to maintain for electric fuse | |
| CN201207361Y (en) | Wiring terminal | |
| CN202930767U (en) | Comprehensive power distribution box with enclosed bus bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |