CN216491277U - Make things convenient for fixed oil pump circuit board of inductance - Google Patents
Make things convenient for fixed oil pump circuit board of inductance Download PDFInfo
- Publication number
- CN216491277U CN216491277U CN202122560029.3U CN202122560029U CN216491277U CN 216491277 U CN216491277 U CN 216491277U CN 202122560029 U CN202122560029 U CN 202122560029U CN 216491277 U CN216491277 U CN 216491277U
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- circuit board
- inductor
- oil pump
- fixed
- pump circuit
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Abstract
The utility model provides an oil pump circuit board convenient for fixing an inductor, which comprises a circuit board substrate and the inductor, wherein the circuit board substrate is formed by fixing a circular plate and a rectangular plate into a whole; the circular board of the circuit board substrate is provided with a positioning hole. The locating lever below the inductor is inserted into the locating hole on the circuit board substrate correspondingly, but the locating lever does not penetrate through the locating hole, then the inductor is fixed with the circuit board substrate through tin soldering, fixing glue is added to the position where the tail end of the locating lever is located in the locating hole, the inductor can be fixed after the fixing glue is solidified, rigidity is increased, the effect can be achieved, wiring of the circuit board can not be affected, the cost can not be increased too much again, the inductor is convenient to install, the problem that the inductor is installed on an oil pump circuit board at present through tin soldering is solved, the inductor is generally fixed through tin soldering, the inductor is required to be fixed on the circuit board better, and the problem that the effect is poor is fixed through tin soldering only.
Description
Technical Field
The utility model relates to the technical field of oil pump circuit boards, in particular to an oil pump circuit board convenient for fixing an inductor.
Background
The oil pump is generally internally provided with a circuit board, a large inductor on the oil pump circuit board generally has a large volume due to the requirement of overlarge current, and also has a complex internal structure and high material density, the inductor is generally the heaviest part on the oil pump circuit board, relatively speaking, under the same vibration magnitude, the inertia force of the inductor is large, the amplitude which can be generated is also large, the inductor is installed on the oil pump circuit board at present and generally fixed by tin soldering, the inductor is required to be better fixed on the circuit board, and the fixing effect is poor only by tin soldering.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an oil pump circuit board convenient for fixing an inductor so as to solve the problems that the inductor is generally fixed on the oil pump circuit board by soldering, the inductor needs to be fixed on the circuit board better and the fixing effect is poor only by soldering.
An oil pump circuit board convenient for fixing an inductor comprises a circuit board substrate and the inductor, wherein the circuit board substrate is formed by fixing a circular plate and a rectangular plate into a whole, and the inductor is fixed on the circular plate of the circuit board substrate through soldering;
the circular plate of the circuit board substrate is provided with a positioning hole, the lower end of the inductor is fixedly connected with a positioning rod, and the tail end of the positioning rod is inserted into the positioning hole and is fixed with the circuit board substrate;
the circuit board substrate the circular plate with all be equipped with the screw hole above the rectangular plate, the equal threaded connection in inside of screw hole has set screw, round annular groove has all been opened to set screw's outside, annular groove's tank bottom elastic connection has the block rubber.
Preferably, the outside of the positioning rod is fixedly connected with an annular limiting boss, the inner wall of the positioning hole is provided with an annular limiting groove, the convex structure of the annular limiting boss is matched with the concave structure of the annular limiting groove, and the annular limiting boss is inserted into the annular limiting groove.
Preferably, the tail end of the positioning rod is inserted into the positioning hole and is bonded with the positioning hole through fixing glue.
Preferably, a spring groove is formed in the groove bottom of the annular groove, the rubber block is located in the spring groove, and a spring is fixedly connected between the rubber block and the groove bottom of the spring groove.
Preferably, the rubber block is of a spherical structure.
Preferably, a set of heat dissipation holes are formed in two sides of the surface of the circular plate of the circuit board substrate, and each set of heat dissipation holes are provided with a plurality of heat dissipation holes which are evenly distributed.
The beneficial effects are as follows:
1. when the inductor is installed, the positioning rod below the inductor is inserted into the positioning hole in the circuit board substrate correspondingly, but the positioning rod does not penetrate through the positioning hole, then the inductor and the circuit board substrate are fixed through tin soldering, finally, fixing glue is added to the position, where the tail end of the positioning rod is located, in the positioning hole, the inductor can be fixed after the fixing glue is cured, the rigidity is increased, the effect can be achieved, wiring of the circuit board is not influenced, cost cannot be increased too much again, and the inductor is convenient to install;
2. when the circuit board substrate is installed, the fixing screw needs to be screwed into the screw hole, and the rubber block is extruded with the inner wall of the screw hole, so that the stability of the fixing screw in the screw hole can be improved.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a partial schematic view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic diagram of the inductor and the circuit board substrate disassembled according to the present invention;
FIG. 4 is a partial view of the section B in FIG. 3 according to the present invention.
In the figure: 1-circuit board substrate, 11-screw hole, 12-positioning hole, 13-annular limiting groove, 14-heat dissipation hole, 2-inductor, 21-positioning rod, 22-annular limiting boss, 3-fixing screw, 31-annular groove, 32-spring groove and 33-rubber block.
Detailed Description
As shown in fig. 1-4, an oil pump circuit board convenient for fixing an inductor comprises a circuit board substrate 1 and an inductor 2, wherein the circuit board substrate 1 is formed by fixing a circular board and a rectangular board into a whole, and the inductor 2 is fixed on the circular board of the circuit board substrate 1 by soldering;
a positioning hole 12 is formed in the circular plate of the circuit board substrate 1, a positioning rod 21 is fixedly connected to the lower end of the inductor 2, the tail end of the positioning rod 21 is inserted into the positioning hole 12 and fixed with the circuit board substrate 1, when the inductor 2 is installed, the positioning rod 21 below the inductor 2 is inserted into the positioning hole 12 in the circuit board substrate 1 correspondingly, because the length of the positioning rod 21 is shorter than the opening depth of the positioning hole 12, the positioning rod 21 cannot penetrate through the positioning hole 12, and the tail end of the positioning rod 21 is located in the positioning hole 12;
an annular limiting boss 22 is fixedly connected to the outer part of the positioning rod 21, an annular limiting groove 13 is formed in the inner wall of the positioning hole 12, the protruding structure of the annular limiting boss 22 is matched with the recessed structure of the annular limiting groove 13, the annular limiting boss 22 is inserted into the annular limiting groove 13, and after the positioning rod 21 is inserted into the positioning hole 12, the annular limiting boss 22 corresponds to and is clamped with the annular limiting groove 13, so that when the inductor 2 and the circuit board substrate 1 are fixed in a tin welding mode, the method is convenient, and then the inductor 2 and the circuit board substrate 1 are fixed in a tin welding mode;
the tail end of the positioning rod 21 is inserted into the positioning hole 12 and is bonded with the positioning hole 12 through fixing glue, after the inductor 2 and the circuit board substrate 1 are fixed in a soldering mode, the fixing glue is added into the positioning hole 12 and at the position where the tail end of the positioning rod 21 is located, the inductor 2 can be fixed after the fixing glue is cured, the rigidity is increased, the effect can be achieved, wiring of the circuit board is not affected, cost cannot be increased too much again, and the installation of the inductor 2 is convenient;
the circuit board substrate 1 is characterized in that screw holes 11 are formed in the circular plate and the rectangular plate of the circuit board substrate 1, fixing screws 3 are connected to the inner portions of the screw holes 11 in a threaded mode, a circle of annular groove 31 is formed in the outer portions of the fixing screws 3, a rubber block 33 is elastically connected to the bottom of the annular groove 31, and when the circuit board substrate 1 is installed, the fixing screws 3 are screwed into the screw holes 11;
the bottom of the annular groove 31 is provided with a spring groove 32, the rubber block 33 is positioned in the spring groove 32, a spring is fixedly connected between the rubber block 33 and the bottom of the spring groove 32, the rubber block 33 is of a spherical structure, when the fixing screw 3 is screwed into the screw hole 11, the rubber block 33 is extruded by the inner wall of the screw hole 11 and slides into the spring groove 32 to extrude the spring, and thus, after the fixing screw 3 is screwed, the rubber block 33 is extruded with the inner wall of the screw hole 11, and the stability of the fixing screw 3 in the screw hole 11 can be improved;
Claims (6)
1. The utility model provides a make things convenient for fixed oil pump circuit board of inductance, includes circuit board base plate (1) and inductance (2), circuit board base plate (1) is fixed as an organic whole by circular slab and rectangular plate and constitutes, inductance (2) are fixed through the soldering circuit board base plate (1) on the circular slab, its characterized in that:
a positioning hole (12) is formed in the circular plate of the circuit board substrate (1), a positioning rod (21) is fixedly connected to the lower end of the inductor (2), and the tail end of the positioning rod (21) is inserted into the positioning hole (12) and fixed with the circuit board substrate (1);
the circuit board base plate (1) the circular plate with all be equipped with screw hole (11) above the rectangular plate, the equal threaded connection in inside of screw hole (11) has set screw (3), round annular groove (31) have all been opened to the outside of set screw (3), the tank bottom elastic connection of annular groove (31) has rubber block (33).
2. The oil pump circuit board facilitating inductor fixing as claimed in claim 1, wherein: the positioning rod (21) is externally and fixedly connected with an annular limiting boss (22), an annular limiting groove (13) is formed in the inner wall of the positioning hole (12), the protruding structure of the annular limiting boss (22) is matched with the recessed structure of the annular limiting groove (13), and the annular limiting boss (22) is connected with the annular limiting groove (13) in an inserting mode.
3. The oil pump circuit board facilitating inductor fixing as claimed in claim 2, wherein: the tail end of the positioning rod (21) is inserted into the positioning hole (12) and is bonded with the positioning hole (12) through fixing glue.
4. The oil pump circuit board facilitating inductor fixing as claimed in claim 1, wherein: the tank bottom of annular groove (31) is opened there is spring groove (32), rubber block (33) are located inside spring groove (32), rubber block (33) with fixedly connected with spring between spring groove (32) tank bottom.
5. The oil pump circuit board facilitating inductor fixing as claimed in claim 4, wherein: the rubber block (33) is of a spherical structure.
6. The oil pump circuit board facilitating inductor fixing as claimed in claim 1, wherein: the circuit board substrate (1) is characterized in that a group of heat dissipation holes (14) are formed in two sides of the surface of the circular plate, and a plurality of heat dissipation holes (14) are uniformly distributed in each group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122560029.3U CN216491277U (en) | 2021-10-25 | 2021-10-25 | Make things convenient for fixed oil pump circuit board of inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122560029.3U CN216491277U (en) | 2021-10-25 | 2021-10-25 | Make things convenient for fixed oil pump circuit board of inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216491277U true CN216491277U (en) | 2022-05-10 |
Family
ID=81442174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122560029.3U Active CN216491277U (en) | 2021-10-25 | 2021-10-25 | Make things convenient for fixed oil pump circuit board of inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216491277U (en) |
-
2021
- 2021-10-25 CN CN202122560029.3U patent/CN216491277U/en active Active
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