CN218730461U - Pressure spring type switch cabinet contact assembly - Google Patents
Pressure spring type switch cabinet contact assembly Download PDFInfo
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- CN218730461U CN218730461U CN202222378845.7U CN202222378845U CN218730461U CN 218730461 U CN218730461 U CN 218730461U CN 202222378845 U CN202222378845 U CN 202222378845U CN 218730461 U CN218730461 U CN 218730461U
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- 230000006835 compression Effects 0.000 claims abstract description 42
- 238000007906 compression Methods 0.000 claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 7
- 239000012634 fragment Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
The utility model relates to a pressure spring type switch cabinet contact assembly, which comprises a bracket, wherein the upper end and the lower end of the bracket are respectively provided with an upper mounting opening and a lower mounting opening; a plurality of upper contact pieces are arranged in the upper mounting port, a plurality of lower contact pieces are arranged in the lower mounting port, and heat dissipation gaps are formed between the adjacent upper contact pieces and the adjacent lower contact pieces; the top plate is arranged above the bracket, and a plurality of upper compression springs are arranged in the upper cavity; the bottom plate is arranged below the support, and a plurality of lower compression springs are arranged in the lower cavity. The utility model discloses a pressure spring formula cubical switchboard contact subassembly, both ends are through the independent configuration pressure spring around every contact to make the contact elastic motion that can remain stable on the support, promote whole contact subassembly and stabilize the operation.
Description
Technical Field
The utility model relates to a power equipment field, concretely relates to pressure spring formula cubical switchboard contact subassembly.
Background
The applicant previously filed a heat dissipation type power switch cabinet contact, patent application No.: 2022221335486, namely, as shown in fig. 9, in the contact of the power switch cabinet, a mounting opening is opened at the upper and lower ends of the bracket 2, a plurality of contact pieces are arranged in the mounting opening, and each contact piece is press-fitted in the mounting opening of the bracket through a spring piece 7, so that the contact piece can move elastically in the vertical direction.
In the above-mentioned power switch cabinet contact, because the contact is the panel beating stamping workpiece, the elasticity that the shell fragment of its spring leaf 7 both sides provided is more limited, long-time work, and the shell fragment elasticity of spring leaf 7 both sides is inefficacy easily or the unstable problem of elasticity appears.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the compression spring type switch cabinet contact assembly is provided, and the problems that in the conventional power switch cabinet contact, the spring piece has limited elasticity for each contact piece and is easy to lose efficacy are solved.
The utility model provides a technical scheme that its technical problem adopted is:
a contact assembly of a compression spring type switch cabinet is provided, which comprises
The upper end and the lower end of the bracket are respectively provided with an upper mounting opening and a lower mounting opening;
a plurality of upper contact pieces are arranged in the upper mounting port, a plurality of lower contact pieces are arranged in the lower mounting port, and heat dissipation gaps are formed between the adjacent upper contact pieces and the adjacent lower contact pieces;
the top plate is arranged above the bracket, an upper cavity is formed between the top plate and each upper contact piece, a plurality of upper pressure springs are arranged in the upper cavity, the upper ends of the upper pressure springs are abutted against the top plate, and the lower ends of the upper pressure springs are respectively abutted against the upper contact pieces so as to elastically press the upper contact pieces in the upper mounting openings;
the bottom plate is arranged below the support, a lower cavity is formed between the bottom plate and each lower contact piece, a plurality of lower compression springs are arranged in the lower cavity, the upper ends of the lower compression springs are abutted to the lower contact pieces, and the lower ends of the lower compression springs are abutted to the bottom plate so as to press the lower contact pieces in the lower mounting hole in an elastic mode.
Furthermore, the front end and the rear end of the upper contact piece are respectively provided with an upper pressure spring, and each upper contact piece is pressed in the upper mounting port through the front upper pressure spring and the rear upper pressure spring;
lower compression springs are arranged at the front end and the rear end of each lower contact piece, and each lower contact piece is connected in the lower mounting port through the front lower compression spring and the rear lower compression spring in a pressing mode.
Further, each upper contact piece and the upper mounting port are matched in a structure that:
a plurality of upper clamping grooves are formed in the bottom of the upper mounting opening, and the upper clamping grooves are arranged at the bottom of the upper mounting opening at equal intervals;
the upper contact pieces are straight rod-shaped, an upper contact piece is placed in each upper clamping groove so as to form a heat dissipation gap between the upper contact pieces, an upper clamping opening is formed in each upper contact piece, and the upper clamping openings are clamped with the support so as to limit the upper contact pieces to move in the front-back direction in the upper mounting openings;
the front end and the rear end of the upper contact piece extend out of the upper mounting opening, and the middle part of the upper contact piece is in supporting fit with the bracket;
the matching structure between each lower contact piece and the lower mounting opening is the same as the matching structure between each upper contact piece and the upper mounting opening.
Further, each upper contact piece and the upper mounting port are matched in a structure that:
the bottom surface of the upper mounting opening is of a straight structure;
the bottom surface of the middle part of the upper contact piece is of a straight structure, and two sides of the middle part of the upper contact piece are protruded to form a butting table top;
the adjacent upper contact pieces are abutted by the abutting table surface at the middle part, so that a heat dissipation gap is formed between the adjacent upper contact pieces;
an upper bayonet is formed at the bottom of the upper contact piece, and the upper bayonet is clamped with the bracket to limit the upper contact piece to move in the front-back direction in the upper mounting port;
the matching structure between each lower contact piece and the lower mounting opening is the same as the matching structure between each upper contact piece and the upper mounting opening.
Furthermore, a heat dissipation hole is formed in the middle of the upper contact piece.
Further, the upper contact piece comprises a left half piece and a right half piece;
a left side bending part is formed in the middle of the left half piece, the left side of the left side bending part is a left side abutting table top of the upper contact piece, and the right side of the left side bending part is a left radiating half hole;
the right half middle part forms the right side portion of bending, the right side of the right side portion of bending is the right side butt mesa of last contact, and its left side is half hole of right heat dissipation.
The left half piece and the right half piece are overlapped to form an upper contact piece, and the left radiating half hole and the right radiating half hole form a radiating hole.
The utility model has the advantages that:
the utility model discloses a pressure spring formula cubical switchboard contact subassembly, both ends are through the independent configuration pressure spring around every contact to make the contact elastic motion that can remain stable on the support, promote whole contact subassembly and stabilize the operation.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a compression spring type switchgear contact assembly according to an embodiment;
FIG. 2 is a schematic view of a bracket of a contact assembly of a compression spring type switch cabinet according to an embodiment;
FIG. 3 is a diagram illustrating the engagement between a plurality of upper contact blades and a carrier in a compression spring type switchgear contact assembly in accordance with an embodiment;
FIG. 4 is a schematic diagram of a contact blade of a contact assembly of a compression spring type switch cabinet according to an embodiment;
FIG. 5 is a schematic view of a second embodiment of a compression spring type switchgear contact assembly;
FIG. 6 is a schematic view of a bracket of a second embodiment of a compression spring type switchgear contact assembly;
FIG. 7 is a diagram of the engagement between a plurality of upper contact blades and a carrier in a second compression spring type switch cabinet contact assembly according to an embodiment;
FIG. 8 is a schematic diagram of a contact blade of a contact assembly of a second compression spring type switch cabinet according to an embodiment;
FIG. 9 is a schematic diagram of a power switch cabinet contact of the prior application;
wherein,
2. the device comprises a bracket 21, a front side plate 22, a rear side plate 2A and an upper clamping groove;
31. top plate, 32, bottom plate;
41. an upper compression spring 42 and a lower compression spring;
51. an upper contact piece, 52, a lower contact piece;
61. a heat dissipation hole 62 abutting against the table top;
7. a spring plate.
Detailed Description
The invention will now be further described with reference to specific embodiments. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
Example one
A pressure spring type switch cabinet contact assembly comprises
The upper end and the lower end of the bracket 2 are respectively provided with an upper mounting opening and a lower mounting opening;
a plurality of upper contact pieces 51 are arranged in the upper mounting port, a plurality of lower contact pieces 52 are arranged in the lower mounting port, and heat dissipation gaps are formed between the adjacent upper contact pieces 51 and the adjacent lower contact pieces 52;
the top plate 31 is arranged above the bracket 2, an upper cavity is formed between the top plate 31 and each upper contact piece 51, a plurality of upper compression springs 41 are arranged in the upper cavity, the upper ends of the upper compression springs 41 are abutted against the top plate 31, and the lower ends of the upper compression springs 41 are respectively abutted against the upper contact pieces 51, so that the upper contact pieces 51 are elastically pressed in the upper mounting openings;
the bottom plate 32 is arranged below the support 2, a lower cavity is formed between the bottom plate 32 and each lower contact piece 52, a plurality of lower compression springs 42 are arranged in the lower cavity, the upper ends of the lower compression springs 42 are abutted to the lower contact pieces 52, and the lower ends of the lower compression springs 42 are abutted to the bottom plate 32 so as to press the lower contact pieces 52 in the lower mounting openings in an elastic mode.
In this embodiment, the entire bracket 2 is a quadrilateral structure including four side plates, namely, a front side plate 21, a rear side plate 22, and a left side plate and a right side plate, wherein the upper and lower heights of the side plates are lower than those of the left and right side plates, so as to form an upper mounting opening and a lower mounting opening. The upper and lower ends of the front and rear side plates 22 serve as resting areas for the various contacts in the mounting opening.
Every contact all carries out the butt with preceding curb plate 21, posterior lateral plate 22 simultaneously to ensure the contact and stably cooperate with support 2 in vertical.
Specifically, as a preferred embodiment of the present invention, the upper compression springs 41 are disposed at both the front and rear ends of the upper contact piece 51, and each upper contact piece 51 is pressed in the upper mounting opening through the front and rear upper compression springs 41;
the front end and the rear end of each lower contact piece 52 are respectively provided with a lower compression spring 42, and each lower contact piece 52 is pressed in the lower mounting opening through the front lower compression spring 42 and the rear lower compression spring 42.
In this embodiment, in order to improve the structural stability of the upper compression spring 41 between the upper contact piece 51 and the top plate 31, positioning rods are respectively arranged on the upper contact piece 51 and the top plate 31, and the upper end and the lower end of the upper compression spring 41 are respectively sleeved on the positioning rods, so that the displacement of the upper compression spring 41 is realized. Similarly, a positioning rod is also arranged between the bottom plate 32 and the lower contact piece 52 for improving the assembly stability of the lower pressure spring 42.
Specifically, as a preferred embodiment, the fitting structure between each upper contact piece 51 and the upper mounting opening is:
the bottom surface of the upper mounting opening is of a straight structure; namely, the upper ends of the front plate 21 and the rear plate 22 are straight;
the bottom surface of the middle part of the upper contact piece 51 is of a straight structure, and two sides of the middle part of the upper contact piece are protruded to form a butting table surface 62;
the adjacent upper contact pieces 51 are abutted by the abutment table surface 62 at the middle part, so that a heat dissipation gap is formed between the adjacent upper contact pieces 51;
an upper bayonet is formed at the bottom of the upper contact piece 51 and is clamped with the bracket 2 to limit the upper contact piece 51 to move in the front-back direction in the upper mounting hole.
The fitting structure between each lower contact piece 52 and the lower mount port is the same as the fitting structure between each upper contact piece 51 and the upper mount port. Those skilled in the art will understand how to mount the upper contacts 51 to the lower contacts 52 after the manner of mounting the upper contacts 51 in the upper mounting opening.
Preferably, in order to improve the heat dissipation performance of the upper contact piece 51, a heat dissipation hole 61 is formed in the middle of the upper contact piece 51.
Preferably, in order to facilitate the manufacture of the upper contact piece 51 in the present embodiment, the upper contact piece 51 includes a left half piece and a right half piece;
a left side bending part is formed in the middle of the left half piece, the left side of the left side bending part is a left side abutting table surface 62 of the upper contact piece 51, and the right side of the left side bending part is a left heat dissipation half hole;
the right half middle part forms the right side portion of bending, the right side of the right side portion of bending is the right side butt mesa 62 of last contact 51, and its left side is the half hole of right heat dissipation.
The left half and the right half are overlapped to form an upper contact plate 51, and the left heat dissipation half hole and the right heat dissipation half hole form a heat dissipation hole 61.
Corresponding upper bayonets are arranged on the left half piece and the right half piece, and the two half pieces are also clamped with the front side plate 21 or the rear side plate 22 of the bracket 2.
In this embodiment, the lateral length (left and right direction) of installing port is relevant with the quantity and the width of contact in the installing port, and when the installing port was placed full of the contact, the contact at both ends was just in time with the installing port butt, and at this moment, the butt mesa 62 of each contact also just in time butt each other together to control the size precision of installing port, contact, control each contact lateral shifting in the installing port.
A front socket is formed between the front contact end of each upper contact piece 51 and the front contact end of each lower contact piece 52, a rear socket is formed between the rear contact end of each upper contact piece 51 and the rear contact end of each lower contact piece 52, the front socket and the rear socket are respectively used for being matched with a busbar or a slotting tool, when the busbar or the slotting tool is inserted, the upper contact piece 51 and the lower contact piece 52 realize vertical movement through extruding a pressure spring, and after the busbar or the slotting tool is pulled out, the upper contact piece 51 and the lower contact piece 52 reset under the action of the pressure spring.
Example two
This embodiment is based on the first embodiment, but the structure of the contact pieces in this embodiment is different from that of the contact pieces in the above-described embodiments, resulting in a different assembly structure between each of the upper contact pieces 51, the lower contact pieces 52 and the holder 2.
First, thereby structurally speaking of support 2, in this embodiment, the overall structure of support 2 is similar to that of support 2 mechanism in embodiment one, and also includes front plate 21, rear plate 22, left side plate and right side plate, and upper and lower both ends of front plate 21 and rear plate 22 are less than two left and right side plates, thereby form installing port and installing port down, and the difference lies in, in this embodiment, upper and lower both ends of front plate 21 and rear plate 22 have set up the draw-in groove, and the contact has also changed into the straight rod shape simultaneously.
Specifically, the matching structure between each upper contact piece 51 and the upper mounting opening is as follows:
a plurality of upper clamping grooves 2A are formed in the bottom of the upper mounting opening, and the upper clamping grooves 2A are arranged at the bottom of the upper mounting opening at equal intervals;
the upper contact pieces 51 are straight rod-shaped, the upper contact pieces 51 are placed in each upper clamping groove 2A, so that a heat dissipation gap is formed between the upper contact pieces 51, an upper clamping opening is formed in each upper contact piece 51, and the upper clamping opening is clamped with the support 2 to limit the upper contact pieces 51 to move in the front-back direction in the upper mounting opening;
the front end and the rear end of the upper contact piece 51 extend out of the upper mounting opening, and the middle part of the upper contact piece 51 is in supporting fit with the bracket 2;
the fitting structure between each lower contact piece 52 and the lower mount port is the same as the fitting structure between each upper contact piece 51 and the upper mount port.
In this embodiment, the slots on the front plate 21 and the rear plate 22 of the bracket 2 correspond to each other in the front-rear direction, a contact piece is placed in each of the front and rear slots, and a heat dissipation gap is formed between adjacent contact pieces through the interval distribution structure of the slots.
In this embodiment, single contact is by controlling two and half piece constitutions, places two and half pieces in single draw-in groove promptly, and such structure can increase the contact of contact, has promoted the connection stability between contact and the metal plug-in components, can reduce the contact internal resistance, promotes the contact security, and then promotes the security of electric power cabinet.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A pressure spring type switch cabinet contact assembly is characterized by comprising
The upper end and the lower end of the bracket are respectively provided with an upper mounting opening and a lower mounting opening;
a plurality of upper contact pieces are arranged in the upper mounting port, a plurality of lower contact pieces are arranged in the lower mounting port, and heat dissipation gaps are formed between the adjacent upper contact pieces and the adjacent lower contact pieces;
the top plate is arranged above the bracket, an upper cavity is formed between the top plate and each upper contact piece, a plurality of upper pressure springs are arranged in the upper cavity, the upper ends of the upper pressure springs are abutted against the top plate, and the lower ends of the upper pressure springs are respectively abutted against the upper contact pieces so as to elastically press the upper contact pieces in the upper mounting openings;
the bottom plate is arranged below the support, a lower cavity is formed between the bottom plate and each lower contact piece, a plurality of lower pressure springs are arranged in the lower cavity, the upper ends of the lower pressure springs are abutted to the lower contact pieces, and the lower ends of the lower pressure springs are abutted to the bottom plate so as to press and mount the lower contact pieces in the lower mounting hole in an elastic mode.
2. The compression spring switch cabinet contact assembly of claim 1,
the front end and the rear end of the upper contact piece are respectively provided with an upper pressure spring, and each upper contact piece is pressed in the upper mounting port through the front upper pressure spring and the rear upper pressure spring;
lower compression springs are arranged at the front end and the rear end of each lower contact piece, and each lower contact piece is connected in the lower mounting port through the front lower compression spring and the rear lower compression spring in a pressing mode.
3. The compression spring switch cabinet contact assembly of claim 1,
the cooperation structure between contact and the last installing port on each is:
a plurality of upper clamping grooves are formed in the bottom of the upper mounting opening, and the upper clamping grooves are arranged at the bottom of the upper mounting opening at equal intervals;
the upper contact pieces are straight rod-shaped, an upper contact piece is placed in each upper clamping groove so as to form a heat dissipation gap between the upper contact pieces, an upper clamping opening is formed in each upper contact piece, and the upper clamping openings are clamped with the support so as to limit the upper contact pieces to move in the front-back direction in the upper mounting openings;
the front end and the rear end of the upper contact piece extend out of the upper mounting opening, and the middle part of the upper contact piece is in supporting fit with the bracket;
the matching structure between each lower contact piece and the lower mounting opening is the same as the matching structure between each upper contact piece and the upper mounting opening.
4. The compression spring switch cabinet contact assembly of claim 1,
the cooperation structure between contact and the last installing port on each is:
the bottom surface of the upper mounting opening is of a straight structure;
the bottom surface of the middle part of the upper contact piece is of a straight structure, and two sides of the middle part of the upper contact piece are protruded to form a butting table top;
the adjacent upper contact pieces are abutted by the abutting table surface at the middle part, so that a heat dissipation gap is formed between the adjacent upper contact pieces;
an upper bayonet is formed at the bottom of the upper contact piece, and the upper bayonet is clamped with the bracket to limit the upper contact piece to move in the front-back direction in the upper mounting port;
the matching structure between each lower contact piece and the lower mounting opening is the same as the matching structure between each upper contact piece and the upper mounting opening.
5. The compression spring switch cabinet contact assembly of claim 4,
and heat dissipation holes are formed in the middle of the upper contact piece.
6. The compression spring switch cabinet contact assembly according to claim 4 or 5,
the upper contact piece comprises a left half piece and a right half piece;
a left side bending part is formed in the middle of the left half piece, the left side of the left side bending part is a left side abutting table top of the upper contact piece, and the right side of the left side bending part is a left radiating half hole;
a right side bending part is formed in the middle of the right half piece, the right side of the right side bending part is a right side abutting table top of the upper contact piece, and the left side of the right side bending part is a right radiating half hole;
the left half piece and the right half piece are overlapped to form an upper contact piece, and the left radiating half hole and the right radiating half hole form a radiating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222378845.7U CN218730461U (en) | 2022-09-07 | 2022-09-07 | Pressure spring type switch cabinet contact assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222378845.7U CN218730461U (en) | 2022-09-07 | 2022-09-07 | Pressure spring type switch cabinet contact assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730461U true CN218730461U (en) | 2023-03-24 |
Family
ID=85633161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222378845.7U Active CN218730461U (en) | 2022-09-07 | 2022-09-07 | Pressure spring type switch cabinet contact assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730461U (en) |
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2022
- 2022-09-07 CN CN202222378845.7U patent/CN218730461U/en active Active
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