CN219959470U - Connecting terminal of liquid heater - Google Patents
Connecting terminal of liquid heater Download PDFInfo
- Publication number
- CN219959470U CN219959470U CN202321168430.5U CN202321168430U CN219959470U CN 219959470 U CN219959470 U CN 219959470U CN 202321168430 U CN202321168430 U CN 202321168430U CN 219959470 U CN219959470 U CN 219959470U
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- Prior art keywords
- main body
- connection
- power strip
- clamping groove
- strip main
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- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000005452 bending Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 11
- 230000008719 thickening Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 abstract description 2
- 208000013201 Stress fracture Diseases 0.000 abstract 1
- 230000007704 transition Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Resistance Heating (AREA)
Abstract
The utility model provides a connecting terminal of a liquid heater, which comprises a platy power strip main body, wherein one end of the power strip main body is provided with a columnar plug for plugging a circuit board, the other end of the power strip main body opposite to the columnar plug is provided with an integrated bending structure, the bending structure and the power strip main body are internally provided with mounting cavities which are mutually communicated and are used for being embedded with metal connecting sheets, both side edges of the connecting position of the power strip main body and the bending structure are respectively provided with a square clamping groove for being in plug connection with a heating plate, the bending position of the inner edge of the square clamping groove is provided with an inward concave fillet, the columnar plug is in welded connection with the circuit board through the structure of the metal connecting sheets, the two sides of the power strip main body are provided with square clamping grooves, the structures of the clamping grooves are mutually in plug connection with corresponding grooves on the heating plate, and the square clamping grooves are provided with inward concave fillets at corner positions so as to effectively avoid stress concentration at stress positions, and reduce the risk of fatigue fracture of the connecting terminal under stress.
Description
Technical Field
The utility model relates to the technical field of new energy automobiles and automobile accessories, in particular to a connecting terminal of a liquid heater.
Background
At present, new energy automobiles are widely applied to various aspects of social life, detail technology in the new energy automobiles is gradually perfected, however, the defects still exist, a liquid heater connecting terminal is a connecting piece used in a liquid heating circulation system of the new energy automobiles, and the system is an in-vehicle system which is generated and perfected in view of special energy supply requirements of the new energy automobiles and is used for heating battery packs and cabins of vehicles, so that the vehicles can still be normally used when the external temperature is low. The outer edge part of the circulating heating system is also arranged at the position of the control circuit board in the cabin, a parallel heating plate is arranged at one side of the circuit board, the heating plate is connected with the circuit board in the prior art by adopting a bonding wire connection mode, the structure of the connection mode is unstable, and the risk of disconnection exists; in addition, the plastic connecting terminal is connected in a connecting mode, and the situation that fatigue fracture is easy to occur at the connecting stress position of the plastic connecting terminal seriously affects the service life of the product.
In summary, the existing connection structure between the circuit board and the heating plate for the liquid circulation system of the new energy automobile has the technical problem that the structure is easy to damage.
Disclosure of Invention
The utility model aims to solve the technical problem that the structure of the connecting structure between the circuit board and the heating plate of the existing liquid circulation system for the new energy automobile is easy to damage.
In order to solve the problems, the utility model provides a connecting terminal of a liquid heater, which comprises a platy power strip main body, wherein one end of the power strip main body is provided with a columnar plug for plugging a circuit board, the other end of the power strip main body opposite to the columnar plug is provided with an integrated bending structure, the bending structure and the power strip main body are internally provided with mounting cavities which are mutually communicated and are used for being embedded into metal connecting sheets, both side edges of the connecting position of the power strip main body and the bending structure are respectively provided with a square clamping groove for being connected with a heating plate in a plugging way, and the bending position of the inner edge of the square clamping groove is provided with a concave fillet.
The design of the liquid heater connecting terminal provided by the utility model is further optimized for the structure of the connecting terminal in advance, wherein the metal connecting sheet is arranged in the power strip main body of the connecting terminal, the connecting terminal is welded and connected with the circuit board through the structure of the metal connecting sheet, and the columnar plug is further arranged on the stress power strip main body serving as the positioning auxiliary and sharing connecting part for mounting to strengthen the connection and fixation between the connecting terminal and the circuit board; the square clamping grooves are formed in the two sides of the power strip main body at the connection end of the heater, corresponding grooves in the heating plate are connected in an inserting mode through the structures of the clamping grooves, stress concentration at the stressed position can be effectively avoided by arranging concave circular angle transitions at the corner positions through structural optimization of the inner edges of the square clamping grooves, the risk that fatigue fracture occurs to the connecting terminals in use is greatly reduced, and the technical problem that the structure of a connecting structure between a circuit board and the heating plate of an existing liquid circulation system for a new energy automobile is easy to damage is effectively solved.
As the preferable scheme, the outer fringe of square draw-in groove is provided with bellied draw-in groove reinforcing frame, the draw-in groove reinforcing frame with insert row main part integrated into one piece and be connected for the thickening insert row main part is in the local region around square draw-in groove. The strength of the square clamping groove is optimized, and the surrounding structure is thickened through the structure of the reinforcing frame.
As an optimal scheme, a supporting lacing wire is arranged between the bottom of the outer edge of the clamping groove reinforcing frame and the bending structure of the power strip main body, and the thickness of the supporting lacing wire is consistent with that of the clamping groove reinforcing frame. The pressure sharing after the terminal and the heating plate are fixed is further optimized, and the structural stress is optimized through the supporting lacing wire with the thickness consistent with that of the reinforcing frame.
As an optimized scheme, the power strip main body is provided with a mounting through hole vertically penetrating through the mounting cavity at the position of the mounting cavity, and the corresponding position of the metal connecting sheet is also provided with a mounting through hole for mounting and fixing the metal connecting sheet and the power strip main body by installing the threaded connecting piece. The connection and fixation structure between the metal connecting sheet and the power strip main body is optimized.
As a preferable scheme, one end of the metal connecting sheet adjacent to the columnar plug is provided with two parallel pin structures, and one end of the metal connecting sheet, which is used for being connected with the heating plate, is provided with a bayonet structure for being fixed by being filled in a threaded connecting piece. The connecting and fixing structures of the upper end and the lower end of the metal connecting sheet are optimized.
As a preferable scheme, the pin structures of the metal connecting sheets are provided with elastic connecting through holes for elastic interference connection. The auxiliary connection structure of the metal connecting sheet is optimized, the stability of the circuit board plug-in connection is enhanced, and the self-fastening installation can be realized by replacing welding.
As the preferable scheme, the inner side face of the square clamping groove is provided with a raised strip boss structure for increasing clamping force between the square clamping groove and the heating plate. The inner edge structure of the square clamping groove is optimized, and the clamping force between the square clamping groove and the heating plate in clamping connection is increased through the protruding structure, so that the installation and the fixation are firmer.
As the preferable scheme, be provided with three installation cavity that are parallel to each other and set up side by side in the row's of inserting main part for pack into three metal connection piece that side by side, row's of inserting main part in installation cavity position is provided with the face thickening structure. The power strip strength at the position of the metal connecting sheet is optimized.
As an optimal scheme, the two sides of the power strip main body are also provided with a plate thickening structure above the clamping groove reinforcing frame. The shell structure strength around the clamping groove structure is further optimized, and fatigue fracture under stress is avoided.
Drawings
Fig. 1 is a schematic structural view of a connection terminal of a liquid heater according to the present utility model;
FIG. 2 is a schematic view of a part of a connection terminal of the liquid heater in FIG. 1 in a square clamping groove;
fig. 3 is a schematic partial front view of the connection terminal of the liquid heater in fig. 1 in a square clamping groove.
Wherein:
1. a strip main body; 1-1, a clamping groove reinforcing frame; 1-2, a bending structure; 1-3, square clamping grooves; 1-4, supporting lacing wires; 1-5, columnar plugs; 1-6, mounting through holes; 1-7, concave fillets; 1-8, a strip boss structure; 2. a metal connecting sheet; 2-1, pin structure; 2-2, elastic connecting through holes; 2-3, bayonet structure.
Detailed Description
The following description of the present utility model will be made clearly and fully, and it is apparent that the embodiments described are some, but not all, of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a connection terminal of a liquid heater according to the present utility model; FIG. 2 is a schematic view of a part of a connection terminal of the liquid heater in FIG. 1 in a square clamping groove; fig. 3 is a schematic partial front view of the connection terminal of the liquid heater in fig. 1 in a square clamping groove.
The embodiment provides a connecting terminal of a liquid heater, including platelike row's of inserting main part 1, row's of inserting main part 1 one end is provided with the column plug 1-5 that is used for the grafting circuit board, row's of inserting main part 1 and the opposite other end of column plug 1-5 are provided with integrative kink structure 1-2, be provided with in kink structure 1-2 and row's of inserting main part 1 and link up each other, be used for embedding metal connection piece 2's installation cavity, row's of inserting main part 1 and kink structure 1-2 both sides side reason that meet the position all is provided with square draw-in groove 1-3 for with the hot plate grafting connection, the kink position of square draw-in groove 1-3 inner edge is provided with indent fillet 1-7.
The design of the connection terminal of the liquid heater provided in the embodiment is further optimized for the structure of the connection terminal in advance, wherein the metal connection sheet is arranged in the power strip main body of the connection terminal, the connection terminal is welded with the circuit board through the structure of the metal connection sheet, and the columnar plug is further arranged on the stress power strip main body serving as the installation positioning auxiliary and sharing connection part to strengthen the connection fixation between the connection terminal and the circuit board; the square clamping grooves are formed in the two sides of the power strip main body at the connection end of the heater, corresponding grooves in the heating plate are connected in an inserting mode through the structures of the clamping grooves, stress concentration at the stressed position can be effectively avoided by arranging concave circular angle transitions at the corner positions through structural optimization of the inner edges of the square clamping grooves, the risk that fatigue fracture occurs to the connecting terminals in use is greatly reduced, and the technical problem that the structure of a connecting structure between a circuit board and the heating plate of an existing liquid circulation system for a new energy automobile is easy to damage is effectively solved.
According to the technical scheme, the outer edge structure of the square clamping groove is optimized, specifically, the protruding clamping groove reinforcing frame 1-1 is arranged on the outer edge of the square clamping groove 1-3, the clamping groove reinforcing frame 1-1 is integrally formed with the power strip main body 1 and is used for thickening the local area around the square clamping groove 1-3 of the power strip main body 1, the surrounding structure is thickened through the structure that the reinforcing frame is arranged around the square clamping groove 1-3, the structure of the clamping groove reinforcing frame 1-1 is preferably the same thickness as the power strip main body, and therefore stress concentration at the transition position of the power strip main body can be effectively avoided.
On the basis of the above embodiment, the structure of the connection position of the clamping groove and the bottom bending structure of the power strip main body is optimized in this embodiment, specifically, a supporting lacing wire 1-4 is arranged between the bottom of the outer edge of the clamping groove reinforcing frame 1-1 and the bending structure 1-2 of the power strip main body 1, and the thickness of the supporting lacing wire 1-4 is consistent with that of the clamping groove reinforcing frame 1-1. The pressure sharing after terminal and hot plate are fixed has further been optimized in the technical scheme of this embodiment, through the supporting lacing wire optimization structure atress unanimous with the reinforcing frame thickness, the connection structure between row's main part and the hot plate is strengthened to its main function of supporting lacing wire, and adopts the structure of supporting lacing wire unanimous with draw-in groove reinforcing frame thickness can avoid connecting the position stress concentration of transition and take place the fracture.
In the technical scheme provided by the embodiment, the power strip main body 1 is provided with mounting through holes 1-6 vertically penetrating through the mounting cavity at the mounting cavity, and the corresponding positions of the metal connecting sheets 2 are also provided with the mounting through holes 1-6 for mounting and fixing the metal connecting sheets 2 and the power strip main body 1 by installing threaded connecting pieces. The design optimizes the connection mode between the metal connecting sheet and the power strip main body, optimizes the connection fixing structure between the metal connecting sheet and the power strip main body, sets up the installation through holes at the corresponding positions of the power strip main body and the metal connecting sheet, and installs and fixes the metal connecting sheet and the power strip main body by installing the threaded connection piece in the through holes.
In the technical scheme provided by the embodiment, two parallel pin structures 2-1 are arranged at one end of the metal connecting sheet 2 adjacent to the columnar plug, and a bayonet structure 2-3 is arranged at one end of the metal connecting sheet 2 for connecting with the heating plate and used for being fixed by being installed into a threaded connecting piece. The connection fixing structure of the upper end and the lower end of the metal connecting sheet is optimized in the design, two parallel pin structures are arranged at one end connected with the circuit board, the pin structures are used for being inserted between the pin structures and the circuit board, and as an alternative scheme, the pin structures can be further connected and fixed through welding, the pin structures can also be connected without adopting a welding mode on the premise of having a proper optimizing structure, the end part of the other end is in a hooked bending structure, a flat plate-shaped structure is arranged at the forefront end of the pin structures, a bayonet structure is arranged at the tip end of the flat plate-shaped structure, and the pin structures are used for being connected between a threaded connecting piece and a heating plate through the pin structures, so that the connection effect of the metal connecting sheet structure is effectively optimized.
In the above embodiment, on the basis that the pin structure is arranged at the end of the metal connecting sheet, the pin structures 2-1 of the metal connecting sheet 2 are provided with the elastic connecting through holes 2-2 for elastic interference connection. Wherein, at the in-process of inserting the mounting hole on the circuit board with the structure of participating in, owing to the structure of its last elastic connection through-hole, the longer resilience appears in the structure of participating in after impressing in width direction, can reach the interference fit between the through-hole with the circuit board, this design has optimized the auxiliary connection structure of metal connection piece, reinforcing and the stability of circuit board grafting, and can replace the welding to realize from fastening the installation, guaranteed that the electrical property is connected reliably.
In the technical scheme provided by the embodiment, the inner side surface of the square clamping groove 1-3 is provided with a raised strip boss structure 1-8 for increasing clamping force with the heating plate. The design further optimizes the inner edge detail structure of the square clamping groove, and the clamping force between the square clamping groove and the heating plate in clamping connection is increased through the protruding structure, so that the installation and the fixation are firmer.
In the technical scheme provided by the embodiment, three parallel mounting cavities are arranged in the power strip main body 1 and used for being filled with three parallel metal connecting sheets 2, and the power strip main body 1 at the mounting cavity position is provided with a plate thickening structure. Through a plurality of metal connection pieces that parallel in inserting row's main part, increase the connection terminal and upper and lower circuit board and the area of the connection structure between the hot plate to through setting up the row's intensity of inserting of face thickening structure optimization in metal connection piece position, and insert row's main part in the position of not setting up the installation cavity the face indent adopts relatively thinner face structure, mainly saves materials cost on satisfying the basis of structure tolerance.
In the technical scheme provided by the embodiment, the two sides of the power strip main body 1 and the upper part of the clamping groove reinforcing frame 1-1 are also provided with a plate thickening structure. According to the scheme, the structural strength of the shell around the clamping groove structure is further optimized, and particularly the thickness of the clamping groove reinforcing frame is consistent with that of the clamping groove reinforcing frame by thickening the plate surface, so that stress concentration can be effectively avoided, and fatigue fracture at the transition position of the result is avoided.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.
Claims (9)
1. The utility model provides a connecting terminal of liquid heater, its characterized in that includes platelike row's of inserting main part (1), row's of inserting main part (1) one end is provided with column plug (1-5) that are used for the grafting circuit board, row's of inserting main part (1) with the opposite other end of column plug (1-5) is provided with integrative kink structure (1-2), be provided with in buckling structure (1-2) and row's of inserting main part (1) and link up each other, be used for embedding metal connecting piece (2)'s installation cavity, row's of inserting main part (1) with the both sides side edge of buckling structure (1-2) phase position all is provided with square draw-in groove (1-3) for with hot plate grafting connection, the buckling position of square draw-in groove (1-3) inner edge is provided with indent round angle (1-7).
2. The connection terminal of the liquid heater as claimed in claim 1, wherein the outer edge of the square clamping groove (1-3) is provided with a raised clamping groove reinforcing frame (1-1), and the clamping groove reinforcing frame (1-1) is integrally connected with the power strip main body (1) for thickening a local area of the power strip main body (1) around the square clamping groove (1-3).
3. The connecting terminal of the liquid heater as claimed in claim 2, wherein a supporting tie bar (1-4) is provided between the bottom of the outer edge of the clamping groove reinforcing frame (1-1) and the bending structure (1-2) of the power strip main body (1), and the thickness of the supporting tie bar (1-4) is consistent with that of the clamping groove reinforcing frame (1-1).
4. A connection terminal of a liquid heater according to any one of claims 2 or 3, characterized in that the strip body (1) is provided with mounting through holes (1-6) penetrating the mounting cavity vertically at the mounting cavity position, and the corresponding positions of the metal connecting pieces (2) are also provided with mounting through holes (1-6) for mounting and fixing the metal connecting pieces (2) with the strip body (1) by means of threaded connection members.
5. A connection terminal of a liquid heater according to claim 4, characterized in that the end of the metal connection piece (2) adjacent to the column plug (1-5) is provided with two parallel pin structures (2-1), and the end of the metal connection piece (2) for connecting a heating plate is provided with a bayonet-like structure (2-3) for being fixed by a screw connection.
6. The connection terminal of the liquid heater as claimed in claim 5, wherein the pin structures (2-1) of the metal connection pieces (2) are each provided with an elastic connection through hole (2-2) for elastic interference connection.
7. The connection terminal of a liquid heater as claimed in claim 4, wherein the inner side surface of the square clamping groove (1-3) is provided with a raised strip-shaped boss structure (1-8) for increasing clamping force with the heating plate.
8. The connection terminal of a liquid heater according to claim 4, wherein three parallel mounting cavities are arranged in the power strip main body (1) for mounting three parallel metal connecting sheets (2), and the power strip main body (1) at the mounting cavity position is provided with a plate thickening structure.
9. The connection terminal of the liquid heater as claimed in claim 8, wherein a plate thickening structure is also provided on both sides of the strip main body (1) above the card slot reinforcing frame (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321168430.5U CN219959470U (en) | 2023-05-16 | 2023-05-16 | Connecting terminal of liquid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321168430.5U CN219959470U (en) | 2023-05-16 | 2023-05-16 | Connecting terminal of liquid heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959470U true CN219959470U (en) | 2023-11-03 |
Family
ID=88557437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321168430.5U Active CN219959470U (en) | 2023-05-16 | 2023-05-16 | Connecting terminal of liquid heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959470U (en) |
-
2023
- 2023-05-16 CN CN202321168430.5U patent/CN219959470U/en active Active
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