CN216742043U - Charge-discharge dual-purpose electric pump - Google Patents
Charge-discharge dual-purpose electric pump Download PDFInfo
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- CN216742043U CN216742043U CN202123212132.5U CN202123212132U CN216742043U CN 216742043 U CN216742043 U CN 216742043U CN 202123212132 U CN202123212132 U CN 202123212132U CN 216742043 U CN216742043 U CN 216742043U
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Abstract
The utility model discloses a dual-purpose electric pump for inflation and deflation, which comprises a shell, wherein a low-pressure pump assembly and a high-pressure pump assembly are assembled in the shell, the low-pressure pump assembly comprises a first pipeline communicated with an air inlet pipeline, and the high-pressure pump assembly comprises a second pipeline communicated with an air outlet pipe; the first pipeline is provided with a first branch pipe, the second pipeline is provided with a second branch pipe, the first branch pipe and the second branch pipe are tightly matched and hermetically connected to form a gas passing pipeline, and a check valve which is opened towards the second pipeline is arranged in the gas passing pipeline; the shell is internally provided with a limiting assembly for limiting the high-pressure pump assembly and the low-pressure pump assembly. The utility model discloses possess the function that low pressure was aerifyd and high-pressure tonifying qi simultaneously to can aerify the gassing by the high efficiency, and compact structure, the assembly is simple, low in manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the pump, concretely relates to fill dual-purpose electric pump of gassing.
Background
Aerify the product because easily accomodate, it is light, the wide application is in the amusement and recreation product, the pump of these products of aerifing of cooperation has hand pump and charge pump at present, the efficiency is low when the hand pump uses, working strength is big, consequently adopt the charge pump to aerify mostly, for guaranteeing sufficient aeration quantity, the charge pump is many only possesses the inflated function of low pressure, but adopt the inflated product of aerifing of low pressure often not to reach target pressure, the use that the product was aerifyd in the influence is experienced, if need enrich its function, then need increase many components, lead to the charge pump structure not compact enough, the assembly is complicated, high in manufacturing cost.
Disclosure of Invention
The utility model provides an above-mentioned problem, provide a fill dual-purpose electric pump of gassing, the function is abundant, compact structure, easy assembly, low in manufacturing cost.
The invention aims to be realized by the following technical scheme:
a charge and discharge gas dual-purpose electric pump comprises a shell, wherein a low-pressure pump assembly and a high-pressure pump assembly are assembled in the shell, the low-pressure pump assembly comprises a first pipeline communicated with a gas inlet pipeline, and the high-pressure pump assembly comprises a second pipeline communicated with a gas outlet pipeline; the first pipeline is provided with a first branch pipe, the second pipeline is provided with a second branch pipe, the first branch pipe and the second branch pipe are tightly matched and hermetically connected to form a gas passing pipeline, and a check valve which is opened towards the second pipeline is arranged in the gas passing pipeline; be equipped with in the casing and carry out spacing subassembly spacing to high-pressure pump subassembly and low-pressure pump subassembly.
In the scheme, the electric pump comprises a low-pressure pump assembly and a high-pressure pump assembly which are matched with each other, the flow of the low-pressure pump is large, but the air pressure is often not very high, the air pressure of the high-pressure pump is high, but the flow is small, so that the early-stage low-pressure inflation and the later-stage high-pressure air supplement can be realized through the matching of the low-pressure pump and the high-pressure pump, the inflation efficiency is improved, and the inflation pressure is ensured; by optimizing the connection mode of each pipeline, the electric pump has the functions of inflation and deflation at the same time, and is more convenient to use; the limiting assembly can improve the assembly efficiency of the high-pressure pump assembly and the low-pressure pump assembly and ensure the connection reliability of the high-pressure pump assembly and the low-pressure pump assembly.
Preferably, the check valve is arranged on the second branch pipe and is arranged close to the second pipeline. Above-mentioned setting can guarantee gas pressure when the high pressure tonifying qi, avoids gas cavity too big, influences the gaseous efficiency of piston cylinder compressed gas.
Preferably, the air inlet pipe and the air outlet pipe are arranged on the same side, and the axes of the air inlet pipe and the air outlet pipe are parallel to each other. Above-mentioned setting can make the charge pump structure more compact to shorten the gas circulation route, make the air current flow more smooth and easy, improve and aerify gassing efficiency.
Preferably, the low-pressure pump assembly further comprises a centrifugal fan blade arranged in the first pipeline, and the centrifugal fan blade is driven by a first motor; the high-pressure pump assembly further comprises a piston cylinder connected to the second pipeline, and a piston rod of the piston cylinder is in transmission connection with the second motor through a transmission assembly.
Preferably, the first pipeline and the air inlet pipe are coaxially arranged, a rotating shaft of the centrifugal fan blade is arranged on a central shaft of the first pipeline, the first branch pipe is communicated with the side face of the first pipeline, the axis of the first branch pipe is perpendicular to the axis of the first pipeline, and the centrifugal fan blade is arranged close to the first branch pipe. The structure can make the structure of the electric pump more compact.
Preferably, the second pipeline is provided with a first end and a second end which are oppositely arranged along the axial direction of the second pipeline, wherein the first end of the second pipeline is communicated with the air outlet pipe, and the second end of the second pipeline is communicated with the piston cylinder. Above-mentioned setting, the assembly space in can make full use of casing makes the charge pump structure more compact to can optimize the air current route, improve and aerify gassing efficiency.
Preferably, the limiting assemblies are four groups, namely a first limiting assembly for limiting the second pipeline, a second limiting assembly for limiting the piston cylinder, a third limiting assembly for limiting the second motor and a fourth limiting assembly for limiting the first motor. Through setting up spacing subassembly, can effectively improve the assembly efficiency of electric pump, reduce the use of fastener to improve the installation steadiness of low pressure pump package spare and high pressure pump package spare, guarantee the reliability of being connected of first branch pipe and second branch pipe.
Preferably, the shell is formed by buckling an upper shell and a lower shell, each group of limiting components is formed by combining an upper limiting block formed on the inner wall of the upper shell and a lower limiting block formed on the inner wall of the lower shell, and grooves matched with each other are formed in the upper limiting block and the lower limiting block.
Preferably, the housing is provided with a bidirectional switch for controlling the first motor and the second motor.
Preferably, a pressure tapping hole is formed in the position, close to the air outlet, of the second pipeline, and the pressure tapping hole is connected with the pressure gauge through a pressure tapping pipe.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model realizes low-pressure inflation and high-pressure air supply through the mutual matching of the low-pressure pump component and the high-pressure pump component, and can simultaneously take account of the inflation speed and the inflation pressure; by optimizing the connection mode of each pipeline, the air flow path is shortened, the inflation and deflation efficiency is improved, and the use is more convenient; the structural positions of all the components are reasonably arranged so as to fully utilize the assembly space in the shell, and the electric pump has a more compact structure; the setting of spacing subassembly can effectively improve the assembly efficiency of electric pump, reduces the use of fastener to improve the installation steadiness of low pressure pump package spare and high pressure pump package spare, guarantee the reliability of being connected of first branch pipe and second branch pipe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic structural view of a middle-high pressure pump assembly according to the present invention;
FIG. 5 is a schematic structural view of a middle and low pressure pump assembly according to the present invention;
fig. 6 is a schematic view of the structure of the middle-lower shell of the present invention.
The labels in the figure are: an upper case 11; a lower case 12; a first stop assembly 13; a second stop assembly 14; a third limiting assembly 15; a fourth stop assembly 16; an intake pipe 21; an outlet duct 22; a pressure gauge 31; a pressure tapping pipe 32; a first pipe 41; a centrifugal fan blade 42; a first branch pipe 43; a first motor 44; a second duct 51; a piston cylinder 52; a piston rod 521; the second branch pipe 53; a second motor 54; a transmission assembly; a drive gear 551; an eccentric 552; a seal ring 60; a one-way valve; a bi-directional switch 80; cigar head power cord 90.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
as shown in fig. 1-4, the present embodiment discloses an electric pump for inflation and deflation, which is used for inflating and deflating inflatable products, and comprises a housing, a low pressure pump assembly 40 and a high pressure pump assembly 50 are assembled inside the housing, and through the cooperation of the low pressure pump assembly 40 and the high pressure pump assembly 50, low pressure inflation in the early stage and high pressure inflation in the later stage can be realized, so as to improve inflation efficiency and ensure inflation pressure.
The low-pressure pump assembly 40 comprises a first pipeline 41 and a centrifugal fan blade 42 arranged in the first pipeline 41, the first pipeline 41 is communicated with an air inlet pipe 21, the air inlet pipe 21 extends out of the shell from the inside of the shell, and the centrifugal fan blade 42 is driven by a first motor 44; the high-pressure pump assembly 50 comprises a second pipeline 51 and a piston cylinder 52 connected to the second pipeline 51, the second pipeline 51 is communicated with an air outlet pipe 22, the air outlet pipe 22 extends out of the shell from the inside of the shell, a piston rod 521 of the piston cylinder 52 is in transmission connection with a second motor 54 through a transmission assembly, the transmission assembly comprises a transmission gear 551 connected with an output shaft of the second motor 54 and an eccentric wheel 552, a transmission shaft of the eccentric wheel 552 is fixedly connected with the transmission gear 551, a connection shaft of the eccentric wheel 552 is connected with the piston rod 521 of the piston cylinder 52, and the transmission assembly converts the rotation of the second motor 54 into the reciprocating linear motion of the piston rod 521.
The first pipeline 41 is communicated with a first branch pipe 43, the second pipeline 51 is communicated with a second branch pipe 53, the first branch pipe 43 and the second branch pipe 53 are tightly matched and hermetically connected to form a gas passing pipeline, and a sealing ring 60 is further arranged at the tight matching position of the first branch pipe 43 and the second branch pipe 53 to ensure the gas tightness of the gas passing pipeline; a check valve which is opened towards the second pipeline 51 is arranged in the gas passing pipeline, gas can only enter the second pipeline 51 from the first pipeline 41 and cannot enter the first pipeline 41 from the second pipeline 51; in order to ensure the gas pressure during the high-pressure gas supply and avoid the gas containing cavity from being too large to influence the efficiency of the piston cylinder 52 for compressing the gas, the check valve is arranged on the second branch pipe 53 and is close to the second pipeline 51.
The air inlet pipe 21 and the air outlet pipe 22 are arranged on the same side, and the axes of the air inlet pipe and the air outlet pipe are parallel to each other; the first pipeline 41 and the air inlet pipe 21 are coaxially arranged, and a rotating shaft of the centrifugal fan blade 42 is arranged on a central shaft of the first pipeline 41; the first branch pipe 43 is communicated with the side surface of the first pipeline 41, the axis of the first branch pipe 43 is vertical to the axis of the first pipeline 41, and the centrifugal fan blade 42 is arranged close to the first branch pipe 43; the second pipe 51 has a first end and a second end arranged oppositely along the axial direction thereof, wherein the first end thereof is communicated with the outlet pipe 22, and the second end thereof is communicated with the piston cylinder 52. The assembly space in the shell can be fully utilized by optimizing the arrangement position and the arrangement direction of each pipeline, so that the electric pump is more compact in structure, the air flow path can be shortened, and the inflation and deflation efficiency is improved.
The casing is formed by upper casing 11 and inferior valve 12 lock, and the shaping has spacing subassembly of mutually supporting on the inner wall of upper casing 11 and inferior valve 12, spacing subassembly carries on spacingly to low pressure pump subassembly 40 and high pressure pump subassembly 50, and spacing subassembly has four groups, is respectively for carrying on spacing first spacing subassembly 13 to second pipeline 51, carries out spacing second spacing subassembly 14 to piston cylinder 52, carries out spacing third spacing subassembly 15 to second motor 54, carries out spacing fourth spacing subassembly 16 to first motor 44, and in this embodiment, every spacing subassembly of group is by the last spacing piece of shaping at upper casing 11 inner wall to and the shaping forms at the lower spacing piece combination of inferior valve 12 inner wall, is equipped with the recess of mutually supporting on last spacing piece and the lower spacing piece, and each component is spacing in the recess. Through setting up spacing subassembly, can effectively improve the assembly efficiency of motor pump, reduce the use of fastener to improve the installation steadiness of low pressure pump package spare 40 and high pressure pump package spare 50, guarantee first branch pipe 43 and second branch pipe 53's reliability of being connected.
The shell is provided with a two-way switch 80 for controlling the first motor 44 and the second motor 54, a pressure tapping hole is formed in the position, close to the air outlet, of the second pipeline 51, the pressure tapping hole is connected with the pressure gauge 31 through the pressure tapping pipe 32, and the opening and closing of the first motor 44 and the second motor 54 are controlled according to the pressure display of the pressure gauge 31 in the using process; the electric pump is provided with a cigar head power line 90 which can be supplied by an automobile.
The working principle of the charge and discharge air high-low pressure dual-purpose electric pump is that when an inflatable product needs to be inflated, the air outlet pipe 22 is connected with an inflation inlet of the inflatable product, then the first motor 44 is started through the two-way switch 80, the centrifugal fan 42 rotates, air flow enters the first pipeline 41 from the air inlet pipe 21, enters the second pipeline 51 from the air passing pipeline after being compressed and pressurized by the centrifugal fan 42, is discharged from the air outlet pipe 22 to inflate the inflatable product to realize large-flow low-pressure inflation, the second motor 54 is started through observing the pressure gauge 31 when the pressure in the air outlet pipe 22 reaches a set value, the piston cylinder 52 works to compress the gas in the cylinder to form high-pressure gas, and is discharged from the air outlet pipe 22 to inflate the inflatable product to realize small-flow high-pressure inflation. When the inflation product needs to be deflated, the air inlet pipe 21 is connected with the inflation inlet of the inflation product, then the first motor 44 is started, the centrifugal fan blades 42 can pump out the air in the inflation product, and the air flows into the second pipeline 51 through the air channel and is exhausted through the air outlet pipe 22.
It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be understood in an open-ended sense, i.e. in a sense equivalent to "including at least … …", and not in a closed sense, i.e. in a sense not to be understood as "including only … …". The terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The above description is only the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should be able to make changes, modifications, additions or substitutions within the scope of the present invention.
Claims (10)
1. A charge and discharge dual-purpose electric pump is characterized by comprising a shell, wherein a low-pressure pump assembly and a high-pressure pump assembly are assembled in the shell, the low-pressure pump assembly comprises a first pipeline communicated with an air inlet pipeline, and the high-pressure pump assembly comprises a second pipeline communicated with an air outlet pipe; the first pipeline is provided with a first branch pipe, the second pipeline is provided with a second branch pipe, the first branch pipe and the second branch pipe are tightly matched and hermetically connected to form a gas passing pipeline, and a check valve which is opened towards the second pipeline is arranged in the gas passing pipeline; be equipped with in the casing and carry out spacing subassembly spacing to high-pressure pump subassembly and low-pressure pump subassembly.
2. The pump of claim 1, wherein the check valve is disposed in the second branch pipe and is adjacent to the second pipe.
3. The pump of claim 1, wherein the inlet tube and the outlet tube are disposed on the same side, and the axes of the inlet tube and the outlet tube are parallel to each other.
4. The pump according to claim 1, wherein the pump assembly further comprises a centrifugal impeller disposed in the first pipe, the centrifugal impeller being driven by a first motor; the high-pressure pump assembly further comprises a piston cylinder connected to the second pipeline, and a piston rod of the piston cylinder is in transmission connection with the second motor through a transmission assembly.
5. The pump according to claim 4, wherein the first pipe is coaxial with the intake pipe, the rotating shaft of the centrifugal fan is disposed on a central axis of the first pipe, the first branch pipe is communicated with a side surface of the first pipe, an axis of the first branch pipe is perpendicular to an axis of the first pipe, and the centrifugal fan is disposed adjacent to the first branch pipe.
6. The pump according to claim 4, wherein the second pipe has a first end and a second end opposite to each other along an axial direction thereof, wherein the first end is communicated with the air outlet pipe, and the second end is communicated with the piston cylinder.
7. The pump according to any one of claims 4 to 6, wherein the position-limiting assemblies comprise four groups, namely a first position-limiting assembly for limiting the second pipe, a second position-limiting assembly for limiting the piston cylinder, a third position-limiting assembly for limiting the second motor, and a fourth position-limiting assembly for limiting the first motor.
8. The pump of claim 7, wherein the housing is formed by fastening an upper housing and a lower housing, each of the plurality of positioning members is formed by combining an upper positioning block formed on an inner wall of the upper housing and a lower positioning block formed on an inner wall of the lower housing, and the upper positioning block and the lower positioning block are provided with grooves that are engaged with each other.
9. The pump as claimed in claim 4, wherein the casing is provided with a bidirectional switch for controlling the first and second motors.
10. The pump according to claim 1, wherein a pressure tapping hole is provided in the second pipe at a position close to the air outlet, and the pressure tapping hole is connected to a pressure gauge through a pressure tapping pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123212132.5U CN216742043U (en) | 2021-12-17 | 2021-12-17 | Charge-discharge dual-purpose electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123212132.5U CN216742043U (en) | 2021-12-17 | 2021-12-17 | Charge-discharge dual-purpose electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216742043U true CN216742043U (en) | 2022-06-14 |
Family
ID=81935695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123212132.5U Active CN216742043U (en) | 2021-12-17 | 2021-12-17 | Charge-discharge dual-purpose electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216742043U (en) |
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2021
- 2021-12-17 CN CN202123212132.5U patent/CN216742043U/en active Active
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