CN219393718U - High-reliability small-space power supply assembly - Google Patents
High-reliability small-space power supply assembly Download PDFInfo
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- CN219393718U CN219393718U CN202223544931.7U CN202223544931U CN219393718U CN 219393718 U CN219393718 U CN 219393718U CN 202223544931 U CN202223544931 U CN 202223544931U CN 219393718 U CN219393718 U CN 219393718U
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- type contact
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- power supply
- supply assembly
- connector
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- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 239000003292 glue Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model relates to a high-reliability small-space power supply assembly, which comprises two connector assemblies connected through a cable assembly, wherein each connector assembly comprises a straight connector and a bent accessory shell with two open ends; the cable assembly comprises a power cable and B-type contact pieces fixed at two ends of the power cable; the bent accessory housing comprises a first part extending along the axial direction of the straight connector and a second part extending along the axial direction of the B-shaped contact piece, and the projection of the first part along the axial direction of the first part falls on the second part; the first part is connected with the straight connector, and the tail part of the A-shaped contact element extending along the axial direction in the straight connector is positioned in the first part; the B-type contact piece is positioned in the second part and is fixedly connected with the A-type contact piece through a screw; and a torque wrench mounting hole for forming a screw is also formed in the position of the second part corresponding to the axial direction of the A-type contact piece. The utility model can effectively solve the problem of limited operation space for cable termination and accessory installation.
Description
Technical Field
The utility model belongs to the technical field of connectors, and particularly relates to a high-reliability small-space power supply assembly.
Background
The current carrying capacity of the power supply component is required to be stronger and the occupied space is smaller, so that the problem that how to realize the reliable transmission of large current in a small space and have good heat dissipation effect is needed to be solved is urgent.
The existing design scheme is that the contacts of the two-end power connectors are connected with the wires in a welding mode and a traditional bent tail clamp is installed, as shown in fig. 1, but the implementation mode has the following defects: (1) the length of the assembly cannot be designed to be too short due to the reasons of cable welding and accessory installation operation space, otherwise, the assembly cannot be realized; (2) the power cable is provided with a welding tin-climbing area and a bending radius in the accessory, is thicker, so that the H-direction size is larger, the occupied space is large, and the power cable is often interfered with other equipment or installation components; (3) the welding operability of the large-size power cable is poor, the virtual welding is easy, and the termination reliability is poor.
Disclosure of Invention
In order to solve the problems, the utility model provides a highly reliable power supply assembly with a small space.
The aim and the technical problems of the utility model are realized by adopting the following technical proposal. The utility model provides a high-reliability small-space power supply assembly, which comprises two connector assemblies connected through a cable assembly, wherein each connector assembly comprises a straight connector and a bent accessory shell with two open ends; the cable assembly comprises a power cable and B-type contact pieces fixed at two ends of the power cable; the bent accessory housing comprises a first part extending along the axial direction of the straight connector and a second part extending along the axial direction of the B-type contact piece, and the projection of the first part along the axial direction of the first part falls on the second part; the first part is connected with the straight connector, and the tail part of the A-shaped contact element extending along the axial direction in the straight connector is positioned in the first part; the B-type contact piece is positioned in the second part and is fixedly connected with the A-type contact piece through a screw; and a torque wrench mounting hole is further formed in the position, axially corresponding to the A-type contact, of the second part, so that the screw is operated through the torque wrench mounting hole to fix the A-type contact and the B-type contact.
The aim and the technical problems of the utility model can be further realized by adopting the following technical measures.
The aforementioned high reliability, small space power supply assembly, the power cable portion being located within the second portion of the curved accessory housing; and heat-conducting glue is filled in the bent accessory shell.
The high-reliability small-space power supply assembly is characterized in that the end face of the tail part of the A-type contact is provided with the screw mounting hole and the limiting structure for limiting the wire outlet direction of the B-type contact.
The high-reliability small-space power supply assembly is characterized in that the limiting structure is of a flat structure.
The high-reliability small-space power supply assembly is characterized in that the tail part of the B-type contact is provided with the wire pressing barrel matched and pressed with the power supply cable, the front end of the B-type contact is provided with the mounting part matched with the screw, and two sides of the mounting part are flat structures used for being matched with and limited by the limiting structure on the A-type contact.
The aforementioned highly reliable, small space power supply assembly is classified according to through holes on which the screws are fitted, and the mounting portion is a porous structure having a plurality of through holes, an O-structure having an O-hole, and a U-structure having a U-hole.
The screw presses and secures the B-type contact 8 to the a-type contact by means of flat and spring pads, as in the highly reliable, small space power module described above.
When the straight connector is of a multi-core structure, the A-shaped contacts in the straight connector are arranged in a plurality of rows, and the extending lengths of the A-shaped contacts in different rows in the axial direction are consistent.
According to the high-reliability small-space power supply assembly, the straight connector is matched with the butt joint end face of the bent accessory shell through the ratchet structure, and the extending direction of the second part of the bent accessory shell can be kept consistent with the outgoing line direction of the B-type contact piece through adjusting the matching of the ratchet structure.
The high-reliability small-space power supply assembly is characterized in that the straight connector and the bent accessory shell are locked through the connecting nut.
Compared with the prior art, the utility model has obvious advantages and beneficial effects. By means of the technical scheme, the utility model can achieve quite technical progress and practicability, has wide industrial application value, and has at least the following advantages:
the B-type contact pieces at the two ends of the cable assembly are connected with the power cable according to the required length and then are arranged on the A-type contact pieces of the connectors at the two ends, so that the cable can be horizontally arranged without bending, and the size of an accessory can be greatly reduced. In addition, the limit of the cable termination and accessory installation operation space can be effectively solved, and the development of the short-length power supply assembly is realized.
Finally, the heat-conducting glue is filled in the bent accessory shell, so that the sealing and fixing of the contact piece can be realized, and the heat dissipation performance of the power supply assembly can be enhanced.
Drawings
FIG. 1 is a schematic diagram of a prior art power supply assembly;
FIG. 2 is a schematic diagram of a highly reliable, small space power supply assembly of the present utility model;
FIG. 3 is a partial cross-sectional view of FIG. 2;
FIG. 4 is a schematic diagram of a cable assembly;
FIG. 5 is a schematic view of a connector assembly;
FIG. 6 is a schematic diagram of a tail attachment configuration;
FIG. 7 is a rotational schematic of FIG. 6;
FIG. 8 is a schematic diagram of a single core connector;
FIG. 9 is a schematic view of a type A contact;
FIG. 10 is a schematic view of a B-type contact of U-type configuration;
FIG. 11 is a schematic view of a B-type contact of O-type configuration;
FIG. 12 is a schematic view of a porous structured B-type contact;
fig. 13 is a schematic diagram of a multi-core connector.
[ Main element symbols description ]
02: welding tin climbing area
03: welding contact
1: connector assembly
2: connector with a plurality of connectors
3: tail accessory
4: power cable
5: connector housing
6: a-type contact
7: curved accessory shell
71: first part
72: second part
8: b-type contact
81: wire pressing tube
82: mounting part
83: flat structure
9: moment spanner mounting hole
10: screw bolt
11: screw mounting hole
12: limiting structure
13: flat pad
14: spring pad
15: heat-conducting glue
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model to achieve the preset purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects of the highly reliable and small-space power supply assembly according to the present utility model with reference to the accompanying drawings and the preferred embodiments.
Referring to fig. 1-13, which are schematic views of the parts of the highly reliable, small space power module of the present utility model, the power module includes two connector modules 1 and a power cable 4, wherein the connector modules 1 each include a straight connector 2 and a curved tail accessory 3, wherein the connector 2 includes a connector housing 5 and an a-type contact 6 with a front end fixed in the connector housing 5 and a tail extending out of the connector housing 5, and the a-type contact 6 is a straight contact and is consistent with the extending direction of the connector housing 5; the tail accessory 3 comprises a curved accessory housing 7, the curved accessory housing 7 comprises a first portion 71 extending in a first direction and a second portion 72 extending in a second direction, and a projection of the first portion 71 in the first direction falls on the second portion 72, and a surface where the first portion and the second portion meet is an inclined surface.
The extending direction of the first portion 71 is consistent with that of the connector housing 5, the front end of the first portion 71 is fixedly connected with the tail of the connector housing 5, and the tail of the a-type contact 6 is positioned in the first portion 71.
The two ends of the power cable 4 are connected with a B-type contact 8, the B-type contact 8 is positioned in the second part 72 and is fixedly connected with the A-type contact 6 in the first part 71 through a screw, and a torque wrench mounting hole 9 is formed in a position, opposite to a screw mounting hole 11 on the tail end face of the A-type contact 6, of the second part 72 so as to realize reliable fixation of the A-type contact and the B-type contact 8 through a torque wrench operating screw 10. The second portion 72 has an extension in the second direction that is greater than the extension of the B-type contact 8 in the second direction such that the power cable 4 is partially within the second portion 72.
In this embodiment, the center of the tail end face of the a-type contact 6 is provided with a screw mounting hole 11, and two sides of the screw mounting hole 11 are further provided with a limiting structure 12 for limiting the wire outlet direction of the B-type contact 8, and the limiting structure 12 can prevent the B-type contact 8 from rotating, so as to ensure the wire outlet direction of the B-type contact 8, and ensure that the wire outlet direction of the B-type contact 8 is always kept along the second direction parallel to the second portion 72. Preferably, the limiting structure 12 is a flat structure, but is not limited thereto.
In this embodiment, the B-type contact 8 is matched and crimped with the power cable 4 through the wire barrel 81 at the tail part thereof, and the crimping process is an automatic device crimping process, meets the requirement of the relevant national army standard crimping regulations, and has higher reliability. The front end of the B-type contact 8 is provided with a mounting portion 82 having a through hole matched with the screw 10 and a flat structure 83 matched with the limit structure 12 on the a-type contact 6, and the mounting portion 82 can be divided into a porous structure having a plurality of through holes, an O-type structure having an O-type hole and a U-type structure having a U-type hole according to the classification of the through holes matched with the screw 10, wherein when the mounting portion 82 is of the porous structure, the end face of the tail of the a-type contact 6 is provided with a plurality of screw mounting holes, and at this time, the two contacts are fixed by a plurality of screws.
In this embodiment, the screw 10 presses the B-type contact 8 to the a-type contact 6 via the flat pad 13 and the spring pad 14.
When the connector 2 has a multi-core structure, referring to fig. 13, the contacts formed by the a-type contacts 6 and the B-type contacts 8 are staggered in multiple rows, that is, the extending lengths of the a-type contacts 6 in the same row in the axial direction are identical, and the extending lengths of the a-type contacts in different rows in the axial direction are different, so that the B-type contacts 8 in different rows are distributed at intervals along the axial direction of the a-type contacts. At this time, the torque wrench mounting hole 9 can meet the fixing operation requirements of all the a-type contacts 6 and the B-type contacts 8.
The connector housing 5 of the connector 2 is a circular housing, the end face of the tail of the circular housing is provided with the ratchet structure 21 along the circumferential direction, the circumference of the first part 71 of the bent accessory housing 7 is also provided with the corresponding ratchet 73, the periphery of the front end of the first part 71 of the bent accessory housing 7 is also provided with the connecting nut 74, the bent accessory housing 7 is fixedly connected with the connector housing 5 through the matching of the connecting nut 74 and the tail thread of the connector housing 5, at the moment, the ratchet structure 21 and the ratchet 73 are matched to realize the anti-rotation between the two, thereby effectively controlling the outlet direction of the tail of the connector, ensuring the consistency of the extending directions of the B-type contact 8 and the second part 72 of the bent accessory housing 7, realizing the installability of a component product and ensuring the insulation resistance and the voltage resistance between the B-type contact and the accessory housing.
The heat conducting glue 15 is filled in the bent accessory shell 7, and good heat dissipation effect can be achieved through the heat conducting glue 15, the torque wrench mounting hole 9 and the accessory outlet opening with the tail of the bent accessory shell 7 being opened, and meanwhile, the protection and safety effects are achieved.
When the power supply assembly is assembled, firstly, the bent accessory shell 7 is initially assembled on the connector 2, the two B-type contact pieces 8 are pressed and connected with the power supply cable 4 according to the length to form a cable assembly, then, the B-type contact pieces 8 at the two ends of the cable assembly are respectively arranged in the second part of the corresponding bent accessory shell 7, flat and central installation Kong Shibie of the A-type contact pieces 6 and the B-type contact pieces 8 are arranged on the connectors at the two ends, a torque spanner tool is used for operating at the position of a torque spanner mounting hole 9 according to the torque requirement (when the power supply assembly is in a multi-row contact piece structure, the mounting sequence is that the mounting sequence is low and high), flat pads, spring pads and screws are used for fixing the A-type contact pieces and the B-type contact pieces, then, the connectors and accessory ratchet bars are adjusted to enable the B-type contact pieces, wire bundles and accessory wire outlets to be parallel, an accessory connecting nut is screwed to enable the accessory and the connector to be fixed, and finally, heat conducting glue is fully encapsulated in the accessory.
When the power supply assembly is used for pouring glue, the glue solution is poured from the tail part of the second part of the bent accessory shell 7, so that the bent accessory shell 7 is filled with the glue solution. Preferably, the curved accessory housing 7 further includes a blocking cover for blocking the torque wrench mounting hole 9 during glue filling to prevent glue from leaking, and the blocking cover may be a glue strip for adhering and sealing the torque wrench mounting hole 9, but is not limited thereto. The blocking cover can be removed after the glue filling is completed, so that the heat dissipation effect of the blocking cover is enhanced.
The present utility model is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present utility model can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (10)
1. A highly reliable, small space power supply assembly, characterized by: the connector comprises two connector assemblies connected through a cable assembly, wherein each connector assembly comprises a straight connector and a bent accessory shell; the cable assembly comprises a power cable and B-type contact pieces fixed at two ends of the power cable; the bent accessory housing comprises a first part extending along the axial direction of the straight connector and a second part extending along the axial direction of the B-type contact piece, and the projection of the first part along the axial direction of the first part falls on the second part; the first part is connected with the straight connector, and the tail part of the A-shaped contact element extending along the axial direction in the straight connector is positioned in the first part; the B-type contact piece is positioned in the second part and is fixedly connected with the A-type contact piece through a screw; and a torque wrench mounting hole is further formed in the position, axially corresponding to the A-type contact, of the second part, so that the screw is operated through the torque wrench mounting hole to fix the A-type contact and the B-type contact.
2. The high reliability, small space power supply assembly of claim 1, wherein: the power cable part is positioned in the second part with the tail part of the bent accessory shell open; and the bent accessory shell is internally filled with heat-conducting glue.
3. The high reliability, small space power supply assembly of claim 2, wherein: the bent accessory shell further comprises a blocking cover used for blocking the torque wrench mounting hole during glue filling.
4. The high reliability, small space power supply assembly of claim 2, wherein: a screw mounting hole and a limiting structure for limiting the wire outlet direction of the B-type contact are arranged on the end face of the tail of the A-type contact.
5. The high reliability, small space power supply assembly of claim 4, wherein: the tail part of the type B contact is provided with a wire pressing barrel matched and pressed with the power cable, the front end of the type B contact is provided with a mounting part matched with a screw, and two sides of the mounting part are flat structures matched and limited with limiting structures on the type A contact.
6. The high reliability, small space power supply assembly of claim 5, wherein: the mounting portion includes a porous type structure having a plurality of through holes, an O type structure having an O type hole, and a U type structure having a U type hole, according to the through holes on which the screws are fitted.
7. The high reliability, small space power supply assembly of claim 6, wherein: the screw is used for pressing and fixing the B-type contact piece on the A-type contact piece through the flat pad and the elastic pad.
8. The high reliability, small space power supply assembly according to any one of claims 1-7, wherein: when the straight connector is of a multi-core structure, the A-type contacts in the straight connector are arranged in a plurality of rows, and the extending lengths of the A-type contacts in different rows in the axial direction are consistent.
9. The high reliability, small space power supply assembly of claim 8, wherein: the straight connector is matched with the butt joint end face of the bent accessory shell through the ratchet structure, and the extending direction of the second part of the bent accessory shell can be kept consistent with the outgoing line direction of the B-type contact piece through adjusting the matching of the ratchet structure.
10. The high reliability, small space power supply assembly of claim 9, wherein: the straight connector and the bent accessory shell are locked through a connecting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223544931.7U CN219393718U (en) | 2022-12-21 | 2022-12-21 | High-reliability small-space power supply assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223544931.7U CN219393718U (en) | 2022-12-21 | 2022-12-21 | High-reliability small-space power supply assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219393718U true CN219393718U (en) | 2023-07-21 |
Family
ID=87197273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223544931.7U Active CN219393718U (en) | 2022-12-21 | 2022-12-21 | High-reliability small-space power supply assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219393718U (en) |
-
2022
- 2022-12-21 CN CN202223544931.7U patent/CN219393718U/en active Active
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