CN209800193U - DC lithium battery inflating pump - Google Patents
DC lithium battery inflating pump Download PDFInfo
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- CN209800193U CN209800193U CN201920116910.4U CN201920116910U CN209800193U CN 209800193 U CN209800193 U CN 209800193U CN 201920116910 U CN201920116910 U CN 201920116910U CN 209800193 U CN209800193 U CN 209800193U
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- current lithium
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Abstract
a direct-current lithium battery inflating pump comprises a piston type inflating structure and a piston driving structure which are arranged in a shell, wherein the piston driving structure can drive a piston of the piston type inflating structure to reciprocate; the shell comprises a transverse part and a vertical holding part, the eccentric block is arranged in the transverse part, and the motor is arranged in the holding part; the shell is provided with a switch for plugging the direct-current lithium battery pack. By arranging the eccentric block, transmission can be realized, the transmission is stable, the piston is not easy to shake, and the noise is small; when the direct-current lithium battery pack is used for supplying power, the use is convenient and flexible; the motor is arranged in the holding part, and the gravity center position is reasonable.
Description
Technical Field
the utility model relates to a piston inflating pump, concretely relates to direct current lithium electricity inflating pump.
Background
The electric inflating pump mainly has two structural modes: one is a piston type electric inflating pump, and the other is a centrifugal fan type electric inflating pump. The piston type electric inflating pump comprises a piston type inflating structure and a piston driving structure, wherein the piston type inflating structure and the piston driving structure are arranged in a shell, the piston driving structure can drive a piston of the piston type inflating structure to move in a reciprocating mode, the piston driving structure comprises a motor and a piston rod, and the piston rod is connected with the piston and is driven by the motor.
For example, chinese utility model having application number CN201020197288.3 (publication number CN201679677U) discloses "an electric air pump", in which a piston driving structure includes a piston rod, a driving gear and a driven gear, the driving gear is driven by a first motor to rotate, the driven gear is engaged with the driving gear, and one end of the piston rod is rotatably connected with the end face of the driven gear through a pin shaft.
the above patent is driven by a driving gear and a driven gear, but does not disclose other driving structures.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned prior art, provide a can realize driven direct current lithium electricity inflating pump equally, the transmission is steady.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a direct current lithium electricity inflating pump, is including all setting up piston inflatable structure and piston drive structure in the shell, piston drive structure can drive piston inflatable structure's piston reciprocating motion, piston drive structure includes motor and piston rod, the piston rod with the piston links to each other, and by the motor drives its characterized in that:
The piston driving structure also comprises an eccentric block arranged between the piston rod and the motor, an output shaft of the motor is connected with the eccentric block, the eccentric block is rotationally connected with the piston rod, and under the action of the motor, the eccentric block drives the piston to reciprocate by driving the piston rod;
the shell comprises a transverse part and a vertical holding part, the eccentric block is installed in the transverse part, and the motor is installed in the holding part;
The shell is provided with a switch for plugging the direct-current lithium battery pack.
The piston driving structure can have a plurality of kinds, preferably, the piston driving structure further comprises a driving gear and a driven gear, the driving gear is driven by the motor to rotate, the driven gear is meshed with the driving gear, a rotating shaft is arranged in the middle of the driven gear in a penetrating mode, the upper end of the rotating shaft is fixed with the eccentric block, and the lower end of the rotating shaft is connected with the driven gear.
The piston type inflation structure can be various, preferably, the piston type inflation structure comprises a cylinder sleeve, the front end of the cylinder sleeve is provided with an air outlet, the rear end of the cylinder sleeve is opened, the air outlet is provided with a one-way valve structure only allowing air in the cylinder sleeve to be discharged, the piston is arranged in the cylinder sleeve, a sealing ring is arranged between the periphery of the piston and the inner wall of the cylinder sleeve for sealing, the shell is provided with a first air inlet, and when air is sucked, external air enters the shell from the first air inlet and then reaches the rear end of the cylinder sleeve, and reaches the front end of the cylinder sleeve through a gap between the sealing ring and.
in order to make the inflating pump more steady in operation, cylinder liner bottom extends towards one side of motor has the mount pad, and the upper portion of this mount pad is equipped with the mounting hole, be equipped with in the mounting hole and rotate the first axle sleeve of being connected with the pivot, the lower part of this mount pad is equipped with and holds driven gear's installation cavity, the eccentric block is located the top of mount pad, and this mount pad bottom is equipped with the supporting seat, the supporting seat with the motor top is fixed, the pivot from last to passing behind eccentric block, the first axle sleeve in proper order down with the supporting seat rotates and is connected.
The sealing ring can have various structures, and preferably, the front part of the sealing ring is provided with a lip part which extends axially and can deflect elastically under the action of pressurized gas, and the lip part is in air-tight fit with the inner hole wall of the cylinder sleeve. Therefore, air in the cylinder sleeve presses the front end of the cylinder sleeve and is not easy to flow out of the rear end, and the inflating effect is good.
In order to radiate the heat of the motor, the motor is provided with a heat radiating fan, the shell is provided with a second air inlet, and under the action of the heat radiating fan, outside air enters the shell from the second air inlet and then is used for radiating the heat of the motor. After the motor works for a period of time, the holding part of the shell is easy to scald, the comfort level of a user is affected, the heat of the motor is dissipated by arranging the heat dissipation fan, and the temperature of the holding part is not easy to be too high.
In order to facilitate connection of an external device to be inflated, an inflation connector is fixed outside the air outlet and provided with an inflation port communicated with the air outlet, and the one-way valve structure is arranged in the inflation connector.
The check valve structure can be various, preferably, the check valve structure includes end cap and spring, the end cap can be with the gas outlet shutoff on the cylinder liner, the inside boss that is equipped with of inflation joint, the one end of spring with the boss offsets and the other end with the end cap offsets, the spring has the trend that makes the end cap keep blocking up the gas outlet on the cylinder liner backward.
In order to detect the air pressure, a gas detection channel is arranged on the inflation connector, a circuit board for detecting the air pressure is arranged on the gas detection channel, a display screen for displaying the air pressure is arranged on the circuit board, and the display screen is exposed out of the shell.
In order to conveniently check the air pressure value, the display screen is opposite to the air outlet.
Compared with the prior art, the utility model has the advantages of: by arranging the eccentric block, the motor drives the piston to reciprocate by driving the eccentric block to rotate, transmission can be realized, the transmission is stable, the piston is not easy to shake, and the noise is low; compared with the power supply through a power line connected to a power socket, when the direct-current lithium battery pack is used for supplying power, the moving range of a user is not limited by the length of the power line, and the use is convenient and flexible; the eccentric block is arranged in the transverse part, the motor is arranged in the holding part, and the overall gravity center position of the inflating pump is reasonable.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic view from another angle of FIG. 1;
fig. 3 is an exploded view of an embodiment of the present invention;
FIG. 4 is an exploded view of the left hand portion of FIG. 3;
Fig. 5 is a cross-sectional view of an embodiment of the present invention;
FIG. 6 is an exploded view of the left hand portion of FIG. 4;
FIG. 7 is a schematic perspective view of a cylinder liner according to an embodiment of the present invention;
fig. 8 is a schematic view of a piston, a piston rod, and a sealing ring according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 8, the direct-current lithium battery inflation pump of the present embodiment includes a piston inflation structure and a piston driving structure both disposed in a housing 1, the housing 1 is formed by folding a first housing 11 located on a left side and a second housing 12 located on a right side, the piston driving structure can drive a piston 4 of the piston inflation structure to reciprocate, the piston driving structure includes a motor 2 and a piston rod 6, the piston rod 6 is connected to the piston 4 and is driven by the motor 2, the piston driving structure further includes an eccentric block 7 disposed between the piston rod 6 and the motor 2, an output shaft of the motor 2 is connected to the eccentric block 7, the eccentric block 7 is rotatably connected to the piston rod 6 by a pin 61, and under the action of the motor 2, the eccentric block 7 drives the piston 4 to reciprocate by driving the piston rod 6; the shell 1 comprises a transverse part and a vertical holding part, the eccentric block 7 is arranged in the transverse part, and the motor 2 is arranged in the holding part; the shell 1 is provided with a switch for plugging the direct-current lithium battery pack 13. Preferably, the direct current lithium battery pack is disposed at the bottom of the case 1.
In addition, piston drive structure still includes driving gear 22 and driven gear 8, and driving gear 22 is driven rotatoryly by motor 2, and driven gear 8 meshes with driving gear 22, and pivot 71 is worn to be equipped with in the middle part of driven gear 8, and the upper end and the eccentric block 7 of pivot 71 are fixed, and the lower extreme and the driven gear 8 of pivot 71 link to each other. The inflation pump also comprises a second shaft sleeve 81, the second shaft sleeve 81 is sleeved on the rotating shaft 71 and meshed with the rotating shaft 71, and the driven gear 8 is sleeved outside the second shaft sleeve 81 and clamped with the second shaft sleeve 81. The driving gear 22 can be directly installed on the output shaft of the motor 2, so that the motor 2 directly drives the driving gear 22 to rotate, the driving gear 22 is a pinion, of course, the driving gear 22 can also be connected with the output shaft of the motor 2 through a reduction gear train, and the driven gear 8 is a bull gear.
Above-mentioned piston air-filled structure includes that the front end is equipped with cylinder liner 3 of gas outlet a, the rear end opening of cylinder liner 3, gas outlet a department is equipped with the check valve structure 100 that only allows gas outgoing in the cylinder liner 3, piston 4 sets up in cylinder liner 3, it is sealed to be equipped with sealing washer 5 between 4 week sides of piston and the 3 inner walls of cylinder liner, shell 1 is equipped with first air inlet b, when breathing in, the external air reachs the 3 rear ends of cylinder liner from behind first air inlet b gets into in the shell 1, reachs the 3 front ends of cylinder liner through the gap between sealing washer 5 and the 3 inner walls of cylinder liner.
Above-mentioned 3 bottom of cylinder liner extends towards one side of motor 2 has mount pad 31, the upper portion of this mount pad 31 is equipped with the mounting hole, be equipped with in the mounting hole and rotate first axle sleeve 311 of being connected with pivot 71, the lower part of this mount pad 31 is equipped with the installation cavity that holds driven gear 8, eccentric block 7 is located the top of mount pad 31, this mount pad 31 bottom is equipped with supporting seat 9, supporting seat 9 is fixed through two double-screw bolts with motor 2 top, pivot 71 passes eccentric block 7 from last to down in proper order, rotate with supporting seat 9 after the first axle sleeve 311 and be connected, supporting seat 9 rotates through third axle sleeve 91 with pivot 71 and is connected.
the front part of the seal ring 5 is provided with a lip 51 which extends axially and can deflect elastically under the action of pressurized gas, and the lip 51 forms a hermetic fit with the inner bore wall of the cylinder liner 3.
The motor 2 is provided with a heat dissipation fan 21, the housing 1 is provided with a second air inlet c, and under the action of the heat dissipation fan 21, outside air enters the housing 1 from the second air inlet c and then is used for dissipating heat of the motor 2.
An inflation connector 40 is fixed outside the air outlet a, the inflation connector 40 is provided with an inflation port d communicated with the air outlet a, and the one-way valve structure 100 is arranged in the inflation connector 40. Specifically, the check valve structure 100 includes a plug 101 and a spring 102, the plug 101 can block the air outlet a on the cylinder liner 3, a boss 401 is disposed inside the air charging connector 40, one end of the spring 102 abuts against the boss 401, and the other end abuts against the plug 101, and the spring 102 has a tendency that the plug 101 keeps blocking the air outlet a on the cylinder liner 3 backwards.
The gas charging connector 40 is provided with a gas detection channel 10, the gas detection channel 10 is provided with a circuit board 20 for detecting the air pressure, the circuit board 20 is provided with a display screen 30 for displaying the air pressure, and the display screen 30 is exposed out of the housing 1. Preferably, the display screen 30 is opposite to the air outlet a.
In this embodiment, the direct-current lithium battery inflation pump is used as follows:
When the cylinder sleeve 3 works, the motor 2 sequentially drives the driving gear 22, the driven gear 8 and the eccentric block 7 to rotate, and the eccentric motion of the eccentric block 7 drives the piston rod 6 to move in the cylinder sleeve 3, so that the piston 4 is driven to reciprocate in the cylinder sleeve 3. Through the transmission of eccentric block 7, the transmission is more steady, and piston 4 is difficult to rock, and the noise is less, and is less to the sealing washer 5 wearing and tearing of 4 end connection of piston.
When air is sucked, the piston rod 6 drives the piston 4 to move rightwards, and outside air finally reaches the front end of the cylinder sleeve 3 through the first air inlet b, the shell 1, the rear end opening of the cylinder sleeve 3 and a gap between the sealing ring 5 and the inner wall of the cylinder sleeve 3.
when in inflation, the equipment to be inflated is connected with the inflation connector 40, the power supply is switched on, the piston rod 6 pushes the piston 4 to move left, so that high-pressure gas in the cylinder sleeve 3 is gradually applied to the plug 101, the plug 101 moves left, and the high-pressure gas in the cylinder sleeve 3 is discharged to the equipment to be inflated through the gas outlet a and the inflation port d.
At the same time, the fan 21 is operated, and external air enters from the second air inlet c to dissipate heat of the motor 2. Therefore, the outside of the holding part is not easy to scald, and the hand feeling is comfortable.
Claims (10)
1. the utility model provides a direct current lithium electricity inflating pump, is including all setting up piston inflatable structure and piston drive structure in shell (1), piston drive structure can drive piston inflatable structure's piston (4) reciprocating motion, piston drive structure includes motor (2) and piston rod (6), piston rod (6) with piston (4) link to each other and by motor (2) drive, its characterized in that:
The piston driving structure further comprises an eccentric block (7) arranged between the piston rod (6) and the motor (2), an output shaft of the motor (2) is connected with the eccentric block (7), the eccentric block (7) is rotatably connected with the piston rod (6), and under the action of the motor (2), the eccentric block (7) drives the piston (4) to move in a reciprocating manner by driving the piston rod (6);
The shell (1) comprises a transverse part and a vertical holding part, the eccentric block (7) is installed in the transverse part, and the motor (2) is installed in the holding part;
The shell (1) is provided with a switch for plugging the direct-current lithium battery pack (13).
2. the direct-current lithium battery inflating pump according to claim 1, characterized in that: piston drive structure still includes driving gear (22) and driven gear (8), driving gear (22) by motor (2) drive is rotatory, driven gear (8) with driving gear (22) meshing, pivot (71) are worn to be equipped with in the middle part of driven gear (8), and the upper end and the eccentric block (7) of this pivot (71) are fixed, and the lower extreme and the driven gear (8) of this pivot (71) link to each other.
3. The direct-current lithium battery inflating pump according to claim 2, characterized in that: piston type air-charging structure includes that the front end is equipped with cylinder liner (3) of gas outlet (a), the rear end opening of cylinder liner (3), and gas outlet (a) department is equipped with and only allows gas outgoing's in cylinder liner (3) check valve structure (100), piston (4) set up in cylinder liner (3), it is sealed that be equipped with sealing washer (5) between piston (4) week side and cylinder liner (3) inner wall, shell (1) is equipped with first air inlet (b), and when breathing in, the outside air reachs cylinder liner (3) rear end after getting into shell (1) from first air inlet (b), reachs cylinder liner (3) front end through the gap between sealing washer (5) and cylinder liner (3) inner wall.
4. The direct-current lithium battery inflating pump according to claim 3, characterized in that: cylinder liner (3) bottom extends towards one side of motor (2) has mount pad (31), and the upper portion of this mount pad (31) is equipped with the mounting hole, be equipped with in the mounting hole and rotate first axle sleeve (311) of being connected with pivot (71), the lower part of this mount pad (31) is equipped with and holds the installation cavity of driven gear (8), eccentric block (7) are located the top of mount pad (31), and this mount pad (31) bottom is equipped with supporting seat (9), supporting seat (9) with motor (2) top is fixed, pivot (71) from last to down pass behind eccentric block (7), first axle sleeve (311) in proper order with supporting seat (9) rotate and connect.
5. The direct-current lithium battery inflating pump according to claim 3, characterized in that: the front part of the sealing ring (5) is provided with a lip part (51) which extends axially and can elastically deflect under the action of pressurized gas, and the lip part (51) is in air-tight fit with the inner wall of the cylinder sleeve (3).
6. The direct-current lithium battery inflating pump according to claim 1, characterized in that: be equipped with radiator fan (21) on motor (2), shell (1) is equipped with second air inlet (c), and under this radiator fan (21)'s effect, outside air is used for giving after getting into in shell (1) from second air inlet (c) the motor (2) heat dissipation.
7. The direct-current lithium battery inflating pump according to claim 3, characterized in that: an inflation connector (40) is fixed outside the air outlet (a), the inflation connector (40) is provided with an inflation port (d) communicated with the air outlet (a), and the one-way valve structure (100) is arranged in the inflation connector (40).
8. The direct-current lithium battery inflating pump according to claim 7, characterized in that: the check valve structure (100) comprises a plug (101) and a spring (102), the plug (101) can block an air outlet (a) in the cylinder sleeve (3), a boss (401) is arranged inside the inflation connector (40), one end of the spring (102) abuts against the boss (401) while the other end of the spring abuts against the plug (101), and the spring (102) has a tendency that the plug (101) keeps blocking the air outlet (a) in the cylinder sleeve (3) backwards.
9. The direct-current lithium battery inflating pump according to claim 7, characterized in that: be equipped with gaseous detection passageway (10) on aerifing joint (40), install circuit board (20) that detect atmospheric pressure size on gaseous detection passageway (10), install display screen (30) that are used for showing atmospheric pressure size on this circuit board (20), display screen (30) expose outside shell (1).
10. The direct-current lithium battery inflating pump according to claim 9, characterized in that: the display screen (30) is opposite to the air outlet (a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116910.4U CN209800193U (en) | 2019-01-23 | 2019-01-23 | DC lithium battery inflating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116910.4U CN209800193U (en) | 2019-01-23 | 2019-01-23 | DC lithium battery inflating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800193U true CN209800193U (en) | 2019-12-17 |
Family
ID=68821082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920116910.4U Active CN209800193U (en) | 2019-01-23 | 2019-01-23 | DC lithium battery inflating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800193U (en) |
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2019
- 2019-01-23 CN CN201920116910.4U patent/CN209800193U/en active Active
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