CN217898134U - Air pump movement structure facilitating positioning connection of motor - Google Patents
Air pump movement structure facilitating positioning connection of motor Download PDFInfo
- Publication number
- CN217898134U CN217898134U CN202221632752.6U CN202221632752U CN217898134U CN 217898134 U CN217898134 U CN 217898134U CN 202221632752 U CN202221632752 U CN 202221632752U CN 217898134 U CN217898134 U CN 217898134U
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- motor base
- positioning
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- 230000033001 locomotion Effects 0.000 title claims description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The air pump core structure facilitating positioning connection of the motor comprises an air cylinder, a piston rod and a motor, wherein the piston rod is matched with the air inlet of the air cylinder in a piston manner, and the motor is used for driving the piston rod; the outer wall of the cylinder is fixedly provided with a motor base, the motor base is of a plate-shaped structure extending outwards from an inlet of the cylinder, the motor base is provided with a first positioning hole penetrating through the plate-shaped structure in the normal direction and via holes distributed on the peripheral edge of the first positioning hole, and one side of the motor base, which is back to the cylinder, is provided with a positioning column extending in the normal direction; the motor is provided with an output end which is in contact fit with one side surface of the motor base, which is back to the air cylinder, the output end is provided with a second positioning hole for the insertion of the positioning column and a screw hole which is coaxially aligned with the through hole, the output end is also provided with a round table which can be embedded into the first positioning hole, and a rotating shaft of the motor penetrates to one side of the motor base, which faces the air cylinder, along the axis of the round table to be in transmission fit with the piston rod; and a bolt penetrating into the screw hole is arranged on one side of the motor base, which is back to the air cylinder, and the bolt is in threaded connection with the via hole so as to tightly fix the output end of the motor to the motor base.
Description
Technical Field
The utility model relates to an air pump technical field specifically is a do benefit to air pump core structure that motor location is connected.
Background
The air pump core is the core component of the inflator and the air compressor, and the principle is that the motor drives the piston rod to continuously compress air in the cylinder, and then the cylinder is used for outputting high-pressure airflow to an inflation object.
In order to achieve miniaturization of the air pump movement, in the prior art, a motor base is arranged on the outer wall of a cylinder, and a motor is fixedly mounted on the motor base through a bolt, so that overall miniaturization is promoted in a manner of compactly mounting the cylinder and the motor, and the noise reduction air pump movement for the air compressor disclosed in the chinese patent document with the publication number of CN213360342U is the solution.
In practice, the applicant finds that in the prior art, due to the compact installation of the air cylinder and the motor, the motor is difficult to accurately position in the process of being assembled on the motor base, and the assembling difficulty of the bolt is relatively high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a remedy prior art's above-mentioned not enough, provide an air pump core structure that does benefit to motor location and connect, its technical scheme as follows.
The air pump core structure beneficial to positioning and connecting of the motor comprises an air cylinder, a piston rod and a motor, wherein the air cylinder is provided with an air inlet and an air outlet, the piston rod is matched with the piston in the air inlet of the air cylinder, and the motor is used for driving the piston rod to do piston motion relative to the air cylinder;
the outer wall of the cylinder is fixedly provided with a motor base, the motor base is of a plate-shaped structure extending outwards from an inlet of the cylinder, the motor base is provided with a first positioning hole penetrating through the plate-shaped structure in the normal direction and via holes distributed on the peripheral edge of the first positioning hole, and one side of the motor base, which is back to the cylinder, is provided with a positioning column extending in the normal direction;
the motor is provided with an output end which is in contact fit with one side surface of the motor base, which is back to the air cylinder, the output end is provided with a second positioning hole for the insertion of the positioning column and a screw hole which is coaxially aligned with the through hole, the output end is also provided with a round table which can be embedded into the first positioning hole, and a rotating shaft of the motor penetrates to one side of the motor base, which faces the air cylinder, along the axis of the round table to be in transmission fit with the piston rod;
and a bolt penetrating into the screw hole is arranged on one side of the motor base, which is back to the air cylinder, and the bolt is in threaded connection with the through hole so as to tightly fix the output end of the motor to the motor base.
Adopt above-mentioned technical scheme when assembling the motor in the motor cabinet, only need make first locating hole roughly align in the round platform in advance, the second locating hole roughly aligns in the reference column, then with the output of motor in one side translation fine setting of motor cabinet back to the cylinder, can be light imbed first locating hole with the round platform, peg graft in the second locating hole with the reference column, thereby make the motor obtain only angular positioning on the motor cabinet under the cooperation of round platform and reference column, make screw and via hole realize coaxial alignment, so that construction bolt.
Compared with the prior art, the beneficial effects of the utility model reside in that: simple structure, the assembly is convenient, has reduced the assembly degree of difficulty of bolt in the miniaturized air pump core of cylinder, the compact installation of motor.
The present invention will be further described with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is an assembly schematic of the present invention.
Detailed Description
As shown in fig. 1 to 3, the air pump movement structure facilitating positioning and connection of the motor comprises an air cylinder 1, the air cylinder 1 is provided with an air inlet 11 and an air outlet 12, and further comprises a piston rod 2 forming piston fit in the air inlet 11 of the air cylinder 1, and a motor 3 for driving the piston rod 2 to perform piston movement relative to the air cylinder 1;
the motor base 4 is fixedly arranged on the outer wall of the air cylinder 1, the motor base 4 is of a plate-shaped structure extending outwards from an inlet of the air cylinder 1, a first positioning hole 41 penetrating through the plate-shaped structure in the normal direction and via holes 42 distributed on the periphery of the first positioning hole 41 are formed in the motor base 4, and a positioning column 43 extending out in the normal direction is arranged on one side of the motor base 4, which is back to the air cylinder 1;
the motor 3 is provided with an output end 31 which is in contact fit with one side surface of the motor base 4 opposite to the cylinder 1, the output end 31 is provided with a second positioning hole 32 for a positioning column 43 to be inserted, a screw hole 33 coaxially aligned with the through hole 42, the output end 31 is also provided with a circular truncated cone 34 which can be embedded into the first positioning hole 41, and a rotating shaft of the motor 3 penetrates to one side of the motor base 4 facing the cylinder 1 along the axis of the circular truncated cone 34 to be matched with the piston rod 2 in a transmission manner;
a bolt 5 penetrating into the screw hole 33 is arranged on one side of the motor base 4, which is opposite to the cylinder 1, and the bolt 5 is screwed in the through hole 42 to tightly fix the output end 31 of the motor 3 on the motor base 4.
When the motor 3 is assembled on the motor base 4 in the above embodiment, the first positioning hole 41 is only required to be approximately aligned with the circular truncated cone 34, the second positioning hole 32 is approximately aligned with the positioning post 43 in advance, and then the output end 31 of the motor 3 is slightly translated and finely adjusted on the side of the motor base 4 opposite to the cylinder 1, so that the circular truncated cone 34 can be easily embedded into the first positioning hole 41, and the positioning post 43 can be easily inserted into the second positioning hole 32, so that the motor 3 can be uniquely positioned at an angle on the motor base 4 under the matching of the circular truncated cone 34 and the positioning post 43, and the screw hole 33 and the through hole 42 can be coaxially aligned, so that the mounting bolt 5 can be conveniently mounted
In a preferred embodiment, the end surface of the boss 34 is rounded to guide the boss 34 into alignment with the first locating hole 41.
In a preferred embodiment, the end surfaces of the positioning posts 43 are rounded so as to guide the positioning posts 43 to align with the second positioning holes 32.
For those skilled in the art, the protection scope of the present invention is not limited to the details of the above-described exemplary embodiments, and all the embodiments with variations within the scope and meaning equivalent to the elements of the present invention should be included in the present invention without departing from the spirit or essential characteristics of the present invention.
Claims (3)
1. Do benefit to air pump core structure that motor location is connected, its characterized in that:
the device comprises a cylinder, a piston rod and a motor, wherein the cylinder is provided with an air inlet and an air outlet, the piston rod is matched with the air inlet of the cylinder, and the motor is used for driving the piston rod to do piston motion relative to the cylinder;
the outer wall of the cylinder is fixedly provided with a motor base, the motor base is of a plate-shaped structure extending outwards from an inlet of the cylinder, the motor base is provided with a first positioning hole penetrating through the plate-shaped structure in the normal direction and via holes distributed on the peripheral edge of the first positioning hole, and one side of the motor base, which is back to the cylinder, is provided with a positioning column extending in the normal direction;
the motor is provided with an output end which is in contact fit with one side surface of the motor base, which is back to the air cylinder, the output end is provided with a second positioning hole for the insertion of the positioning column and a screw hole which is coaxially aligned with the through hole, the output end is also provided with a round table which can be embedded into the first positioning hole, and a rotating shaft of the motor penetrates to one side of the motor base, which faces the air cylinder, along the axis of the round table to be in transmission fit with the piston rod;
and a bolt penetrating into the screw hole is arranged on one side of the motor base, which is back to the air cylinder, and the bolt is in threaded connection with the via hole so as to tightly fix the output end of the motor to the motor base.
2. The air pump movement structure facilitating motor positioning connection according to claim 1, characterized in that: the end surface of the round table is rounded.
3. The air pump movement structure facilitating motor positioning connection according to claim 1, wherein: the end face of the positioning column is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221632752.6U CN217898134U (en) | 2022-06-28 | 2022-06-28 | Air pump movement structure facilitating positioning connection of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221632752.6U CN217898134U (en) | 2022-06-28 | 2022-06-28 | Air pump movement structure facilitating positioning connection of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217898134U true CN217898134U (en) | 2022-11-25 |
Family
ID=84131804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221632752.6U Expired - Fee Related CN217898134U (en) | 2022-06-28 | 2022-06-28 | Air pump movement structure facilitating positioning connection of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217898134U (en) |
-
2022
- 2022-06-28 CN CN202221632752.6U patent/CN217898134U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221125 |