CN219029034U - Vehicle-mounted electric vehicle tire inflation device - Google Patents

Abstract

The utility model discloses a vehicle-mounted electric tire inflation device which comprises an electric inflation assembly and an automatic inflation hose winding assembly, wherein the electric inflation assembly comprises a fixed shell, a motor and an air cylinder, an output shaft of the motor is fixedly connected with a piston rod of the air cylinder, an air duct is arranged at an air outlet of the air cylinder, the automatic inflation hose winding assembly comprises a groove seat, a hollow rotating shaft penetrates through the center of the groove seat, one end of the hollow rotating shaft is communicated with the air duct, the other end of the hollow rotating shaft is communicated with the inflation hose, a coil spring assembly is sleeved outside the hollow rotating shaft, a power wire of the motor is electrically connected with a power output end of the electric vehicle, and the fixed shell is fixedly connected with the back surface of the groove seat. The utility model not only realizes electric inflation, but also realizes carrying along with the vehicle, and has the advantages of simple structure, easy realization, convenient use, low cost and the like.

Description

Vehicle-mounted electric vehicle tire inflation device

Technical Field

The utility model relates to a vehicle-mounted tire inflation device for an electric vehicle, and belongs to the technical field of auxiliary facilities of electric vehicles.

Background

With the increasing importance of the current society on environmental protection and energy saving issues, electric vehicles (such as electric bicycles, electric motorcycles, electric tricycles, electric quadricycles, electric battery cars and the like) are taken as green energy-saving and emission-reducing vehicles, play an increasingly important role in mass travel, and at present, the electric vehicles are widely used by consumers as daily vehicles.

However, it is known from common knowledge that safety accidents such as tire burst are likely to occur when a vehicle is driven with insufficient amount of tire air. Although a household inflator is provided in a common household, the household inflator is inflated manually, so that the household inflator has the defects of labor saving and low efficiency, is inconvenient to carry, and cannot solve the problem that the air quantity of tires is insufficient outdoors, particularly in the field. Although the electric inflator pump can solve the problem of labor-consuming manual inflation, the existing electric inflator pump is powered by an external power supply or by a built-in battery, and the former power supply mode has the defect of huge and heavy volume, and can not be carried and realize outdoor, especially outdoor, use demands at any time and any place, while the latter power supply mode can solve the use demands at any time and any place, but is limited by the battery endurance use time, and the embarrassing situation that the electric inflator pump can not inflate in time due to the fact that the battery of the electric inflator pump is not powered by itself possibly occurs when inflation is needed; in addition, the existing portable inflator pump powered by the battery is a part separated from the electric vehicle, and the problem that a user forgets to carry the inflator pump is easy to occur, so that the embarrassing situation that inflation cannot be provided in time when inflation is needed occurs.

Disclosure of Invention

The utility model aims to solve the problems of carrying and cruising, and provides a vehicle-mounted electric vehicle tire inflation device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a vehicular electric vehicle tire aerating device, includes electronic subassembly and the automatic rolling subassembly of inflation hose of inflating, electronic subassembly of inflating includes fixed casing, motor and cylinder, the output shaft and the cylinder piston rod fixed connection of motor, and be equipped with the air duct at the cylinder gas outlet, the automatic rolling subassembly of inflation hose includes the recess seat the hollow pivot has been worn to be equipped with in the center of recess seat, the one end and the air duct of hollow pivot are linked together, the other end and the inflation hose of hollow pivot are linked together to cup jointed the wind spring subassembly outside hollow pivot to and the power cord and the power output end electricity of electric motor car are connected, the back fixed connection of fixed casing and recess seat.

In one preferred scheme, the air duct is connected with a pressure sensor in series, the pressure sensor is connected with a pressure display device in a signal way, and an electric inflation switch is connected in series on a circuit between the motor and the power output end of the electric vehicle.

In one embodiment, the pressure display device is an electric vehicle instrument, and the electric inflation switch is a push button switch integrated on a power switch panel of the electric vehicle.

In one embodiment, the pressure display device is an independent digital display screen, and the electric inflation switch is a touch switch integrated on the digital display screen.

In one embodiment, a bearing seat is fixedly arranged on the back surface of the center of the groove seat, one end of the hollow rotating shaft penetrates through a center hole of the groove seat to be rotationally connected with the bearing seat, and an air guide hole communicated with the air guide pipe is formed in the center of the bearing seat.

Further embodiment, the one end and the cylinder gas outlet sealing connection of air duct, the other end sealing connection of air duct has the adapter, the adapter cover is established in the outside of bearing frame, and offered at the center of adapter and all communicated air duct and air vent.

A sealing ring or a sealing gasket is arranged at the joint of the adapter and the back of the groove seat, the joint of the bearing seat and the back of the groove seat and the joint of the hollow rotating shaft and the central hole of the groove seat.

An embodiment, the spring assembly includes spring, spring fixed disk and spring fixed cover, the spring inlays to be established on the spring fixed disk, the spring fixed disk cover is established in hollow pivot, and the one end and the hollow pivot fixed connection of spring, the other end and the spring fixed disk fixed connection of spring, the back and the inner wall fixed connection of recess seat of spring fixed disk, the preceding and the spring fixed cover fixed connection of spring fixed disk, offered the through-hole that is used for hollow pivot and inflation hose to be connected at the center of spring fixed cover.

An implementation scheme, the recess seat is equipped with the inflation hose and deposits the chamber and inflation connector deposits the chamber, is equipped with the hose and receive the bundle buckle between inflation connector deposit the chamber and inflation hose deposits the chamber, and, the recess seat still be equipped with recess looks adaptation and with the recess seat can dismantle the apron of being connected.

In a preferred scheme, the vehicle-mounted electric vehicle tire inflation device is arranged inside the electric vehicle sheet metal shell in a concealed mode, and an inflation nozzle arranged at the front end of the inflation hose is embedded on the electric vehicle sheet metal shell at the installation position.

Compared with the prior art, the utility model has the beneficial technical effects that:

according to the vehicle-mounted electric tire inflation device, through organically combining the two technologies of electric inflation and automatic hose winding, electric inflation is realized, carrying along with a vehicle is realized, the defect that the existing electric inflation pump is inconvenient to carry or has limited endurance time is effectively solved, and the vehicle-mounted electric tire inflation device has the advantages of being simple in structure, easy to realize, convenient to use, low in cost and the like; therefore, compared with the prior art, the utility model has obvious progress and has very strong practical value.

Drawings

Fig. 1 is a schematic perspective view of a vehicular electric vehicle tire inflation device according to an embodiment;

FIG. 2 is a schematic view of the vehicle-mounted electric tire inflation device of FIG. 1 with the stationary housing of the electric inflation assembly removed;

FIG. 3 is a schematic view of a shallow cross-sectional structure of the vehicle-mounted electric vehicle tire inflation device shown in FIG. 1;

FIG. 4 is a schematic view of the depth sectional structure of the vehicle-mounted electric vehicle tire inflation device shown in FIG. 1;

FIG. 5 is a schematic rear side view of an automatic inflation hose take-up assembly according to an embodiment;

FIG. 6 is a schematic diagram of the front side view of the automatic inflation hose take-up assembly of the present embodiment;

FIG. 7 is a schematic view of the automatic inflation hose take-up assembly of the present embodiment with the cover removed;

FIG. 8 is a schematic view of the automatic inflation hose take-up assembly of the present embodiment with the cover plate and inflation hose removed;

FIG. 9 is a schematic rear side elevational view of the coil spring assembly and hollow shaft assembly of the present embodiment;

FIG. 10 is a schematic diagram of a front side view of a coil spring assembly and hollow shaft assembly according to an embodiment;

FIG. 11 is a schematic view showing the external structure of a vehicle-mounted electric vehicle tire inflation device according to the embodiment when the vehicle-mounted electric vehicle tire inflation device is mounted to an electric vehicle seat barrel;

fig. 12 is a schematic view of the in-barrel structure of the vehicle-mounted electric vehicle tire inflation device according to the embodiment when mounted in an electric vehicle seat barrel;

the reference numerals in the figures are shown below: 1. an electric pumping assembly; 1-1, fixing a shell; 1-2, a motor; 1-21, a power line of a motor; 1-3, an air cylinder; 1-31, an air outlet of an air cylinder; 1-4, an air duct; 1-5, a pressure sensor; 1-51, a signal wire of a pressure sensor; 2. an automatic winding component of the inflatable hose; 2-1, a groove seat; 2-11, a central hole of the groove seat; 2-12, an inflatable hose storage cavity; 2-13, an inflating nozzle storage cavity; 2-14, hose constriction buckle; 2-15 parts of cover plate; 2-2, a hollow rotating shaft; 2-3, a coil spring assembly; 2-31, coil springs; 2-32, a coil spring fixing plate; 2-33, a coil spring fixing cover; 2-331, through holes; 2-4, bearing seats; 2-41, air guide holes; 3. an inflatable hose; 3-1, an inflating nozzle; 4. a housing of an electric vehicle seat barrel; 5. a touch display screen; 6. an adapter; 6-1, a vent hole.

Detailed Description

The technical scheme of the present utility model will be further clearly and completely described in the following in conjunction with the accompanying drawings and examples.

Examples

Please refer to fig. 1 to 10: the embodiment provides a vehicle-mounted electric vehicle tire inflation device, including electronic subassembly 1 and the automatic rolling subassembly 2 of inflation hose, electronic subassembly 1 of inflating includes fixed casing 1-1, motor 1-2 and cylinder 1-3, the output shaft and the cylinder piston rod (not shown in the figure) of motor 1-2 are fixed connection, and are equipped with air duct 1-4 at cylinder gas outlet 1-31, the automatic rolling subassembly 2 of inflation hose includes recess seat 2-1 the hollow pivot 2-2 is worn to be equipped with in the center of recess seat 2-1, the one end and the air duct 1-4 of hollow pivot 2-2 are linked together, the other end and the inflation hose 3 of hollow pivot 2-2 are linked together, have connect coil spring subassembly 2-3 at hollow pivot 2-2 overcoat to, and the power cord 1-21 of motor is connected with the power output end (not shown in the figure) electricity of electric vehicle.

In this embodiment, the air duct 1-4 is connected in series with a pressure sensor 1-5, the pressure sensor 1-5 is connected with a pressure display device in a signal manner, and an electric inflation switch (not shown in the figure) is connected in series with a circuit in which a power line 1-21 of the motor is connected with a power output end (not shown in the figure) of the electric vehicle. Referring to fig. 11 and 12 again, in this embodiment, the pressure display device is an independent digital display screen, the electric inflation switch is a touch switch integrated on the digital display screen, the fixed housing 1-1 is fixedly installed on the outer wall of the housing 4 of the electric saddle barrel, the touch display screen 5 integrated with the touch switch and the pressure digital display is embedded on the housing 4 of the electric saddle barrel, and the front surface of the touch display screen 5 is located on the inner wall of the housing 4 of the electric saddle barrel, so that the design can make the distance between the tire inflation device and the front and rear tires be moderate, so that the inflation operation of the front and rear tires is convenient, and the invisible installation of the tire inflation device is convenient, because in the existing electric vehicle design, the periphery of the electric saddle barrel is provided with a sealed sheet metal housing, and a large gap cavity is reserved between the outer wall of the electric saddle barrel and the surrounding sheet metal housing, and the occupied space required by the tire inflation device is small, therefore, the invisible tire inflation device can be installed on the inner cavity (the sheet metal housing 3 in the electric saddle barrel) of the electric saddle barrel, and the invisible hose 3 is not required to be installed on the front end of the inflation hose (the inflation hose is required to be pulled out when the sheet metal housing 3 is required to be installed in the inflation hose 3 in the front of the pneumatic hose; in addition, the front surface of the touch display screen 5 integrated with the touch switch and the pressure digital display is positioned on the inner wall of the shell 4 of the electric vehicle seat barrel, so that invisible installation can be realized, and the risk of mistakenly touching the electric inflation switch can be avoided; as a further preferable scheme, a transparent protective cover (not shown in the figure) is further arranged on the front surface of the touch display screen 5, so as to avoid damage and error collision risk caused by objects in the inner cavity of the electric vehicle seat barrel to the front surface of the touch display screen 5.

However, it should be noted that the pressure display device may also use an electric vehicle meter, so that the signal lines 1-51 of the pressure sensor are integrated on the electric vehicle meter to realize integrated display; the electric inflating switch can also be a button switch (not shown in the figure) integrated on the electric vehicle power switch panel; and the power line 1-21 of the motor and the signal line 1-51 of the pressure sensor are both arranged in the sheet metal shell of the electric vehicle in a stealth manner, so that the influence on the aesthetic property of the whole vehicle is avoided.

In this embodiment:

a bearing seat 2-4 is fixedly arranged on the back surface of the center of the groove seat 2-1, one end of the hollow rotating shaft 2-2 penetrates through a center hole 2-11 of the groove seat to be rotationally connected with the bearing seat 2-4 (shown in fig. 4), and an air guide hole 2-41 communicated with the air guide pipe 1-4 is formed in the center of the bearing seat 2-4 (shown in fig. 4, 5 and 9); one end of the air duct 1-4 is in sealing connection with the air outlet 1-31 of the air cylinder, the other end of the air duct 1-4 is in sealing connection with an adapter 6, the adapter 6 is sleeved outside the bearing seat 2-4, and a vent hole 6-1 (refer to fig. 4) communicated with the air duct 1-4 and the air duct 2-41 is formed in the center of the adapter 6; the sealing connection can be integrally formed or detachably connected, but a sealing ring or a sealing gasket is arranged on the connecting surface. As a preferable scheme, a sealing ring or a sealing gasket is arranged at the joint of the adapter 6 and the back surface of the groove seat 2-1, the joint of the bearing seat 2-4 and the back surface of the groove seat 2-1 and the joint of the hollow rotating shaft 2-2 and the central hole 2-11 of the groove seat so as to further ensure the air tightness.

Referring to fig. 4, 9 and 10, in this embodiment, the coil spring assembly 2-3 includes a coil spring 2-31, a coil spring fixing plate 2-32 and a coil spring fixing cover 2-33, the coil spring 2-31 is embedded in the coil spring fixing plate 2-32, the coil spring fixing plate 2-32 is sleeved on the hollow rotating shaft 2-2, one end of the coil spring 2-31 is fixedly connected with the hollow rotating shaft 2-2, the other end of the coil spring 2-31 is fixedly connected with the coil spring fixing plate 2-32, the back surface of the coil spring fixing plate 2-32 is fixedly connected with the inner wall of the groove seat 2-1, the front surface of the coil spring fixing plate 2-32 is fixedly connected with the coil spring fixing cover 2-33, and a through hole 2-331 for connecting the hollow rotating shaft 2-2 with the inflatable hose 3 is formed in the center of the coil spring fixing cover 2-33.

Referring to fig. 4 and fig. 6 to 8, in the present embodiment, the groove seat 2-1 is provided with an inflation hose storage cavity 2-12 and an inflation nozzle storage cavity 2-13, a hose converging buckle 2-14 is disposed between the inflation nozzle storage cavity 2-13 and the inflation hose storage cavity 2-12, and the groove seat 2-1 is further provided with a cover plate 2-15 adapted to the groove and detachably connected with the groove seat 2-1.

The working principle of the vehicle-mounted electric vehicle tire inflation device provided by the utility model is as follows:

as shown in fig. 2, 4, 7, 9, 11 and 12, when the tire pressure is found to be insufficient, an electric pump switch can be started to enable an electric vehicle power supply to be communicated with a motor 1-2 power supply in the electric pump assembly 1, so that the motor 1-2 is started to work, and an output shaft of the motor 1-2 is fixedly connected with a cylinder piston rod (not shown in the drawings), so that the rotation of the motor 1-2 drives the cylinder piston rod to reciprocate, thereby realizing electric pump; the air duct 1-4 is arranged at the air outlet 1-31 of the air cylinder, and the air duct 1-4 is communicated with the air inflation hose 3 through the air vent 6-1 arranged on the adapter 6 and the air vent hole 2-41 and the hollow rotating shaft 2-2 arranged on the bearing seat 2-4, so that when the air inflation nozzle 3-1 arranged at the front end of the air inflation hose 3 is connected with the air inflation nozzle of the tire, the electric inflation of the tire can be realized;

because the rear end of the air inflation hose 3 is fixedly connected with the hollow rotating shaft 2-2, and the coil spring 2-31 is also fixedly connected with the hollow rotating shaft 2-2, when the air inflation hose 3 is stretched outwards, the hollow rotating shaft 2-2 is driven to rotate, and the coil spring 2-31 is contracted along with the rotation of the hollow rotating shaft 2-2 to store energy, so when the air inflation is finished and the stretching of the air inflation hose 3 is released, the hollow rotating shaft 2-2 can be reversely rotated under the action of the restoring force of the coil spring 2-31, and the automatic winding of the air inflation hose 3 is realized;

the pressure sensor 1-5 is connected in series with the air duct 1-4, and the pressure sensor 1-5 is connected with the touch display screen 5 in real time, so that the tire pressure condition can be intuitively known by observing the touch display screen 5;

when the inflation is not needed, the electric inflation switch is turned off, so that the electric vehicle power supply is disconnected with the power supply of the motor 1-2 in the electric inflation assembly 1.

As can be seen from the above: according to the vehicle-mounted electric tire inflation device, through organically combining the two technologies of electric inflation and automatic hose winding, electric inflation is realized, carrying along with a vehicle is realized, the defect that the existing electric inflation pump is inconvenient to carry or has limited endurance time is effectively solved, and the vehicle-mounted electric tire inflation device has the advantages of being simple in structure, easy to realize, convenient to use, low in cost and the like; therefore, compared with the prior art, the utility model has obvious progress and has very strong practical value.

Furthermore, it should be noted that the terms "inner," "outer," "upper," "lower," "left," "right," "top," "bottom," "front," "back," and the like are used for convenience in describing the present application and simplifying the description, and do not denote or imply that the apparatus must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. In addition, it will also be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Finally, it is necessary to point out here that: the foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The utility model provides a on-vehicle electric vehicle tire aerating device which characterized in that: including electronic subassembly and the automatic rolling subassembly of inflation hose of inflating, electronic subassembly of inflating includes fixed casing, motor and cylinder, the output shaft and the cylinder piston rod fixed connection of motor, and be equipped with the air duct at the cylinder gas outlet, the automatic rolling subassembly of inflation hose includes the recess seat the hollow pivot is worn to be equipped with in the center of recess seat, the one end and the air duct of hollow pivot are linked together, the other end and the inflation hose of hollow pivot are linked together to, cup jointed the wind spring subassembly outside the hollow pivot to and the power cord and the power output end electricity of electric motor car are connected, the back fixed connection of fixed casing and recess seat.

2. The vehicle-mounted electric vehicle tire inflation device according to claim 1, wherein: the pressure sensor is connected with the pressure display device in series, and an electric inflation switch is connected in series on a circuit between the motor and the power output end of the electric vehicle.

3. The vehicle-mounted electric vehicle tire inflation device according to claim 2, wherein: the pressure display device is an electric vehicle instrument, and the electric inflation switch is a button switch integrated on a power switch panel of the electric vehicle.

4. The vehicle-mounted electric vehicle tire inflation device according to claim 2, wherein: the pressure display device is an independent digital display screen, and the electric inflation switch is a touch switch integrated on the digital display screen.

5. The vehicle-mounted electric vehicle tire inflation device according to claim 1, wherein: the back at the recess seat center has set firmly the bearing frame, the one end of hollow pivot passes the centre bore of recess seat and rotates with the bearing frame to be connected, and the center of bearing frame has seted up the air vent that is linked together with the air duct.

6. The vehicle-mounted electric vehicle tire inflation device according to claim 5, wherein: one end of the air duct is in sealing connection with an air outlet of the air cylinder, the other end of the air duct is in sealing connection with an adapter, the adapter is sleeved outside the bearing seat, and a vent hole communicated with the air duct and the air duct is formed in the center of the adapter.

7. The vehicle-mounted electric vehicle tire inflation device of claim 6, wherein: and sealing rings or sealing gaskets are arranged at the joint of the adapter and the back of the groove seat, the joint of the bearing seat and the back of the groove seat and the joint of the hollow rotating shaft and the central hole of the groove seat.

8. The vehicle-mounted electric vehicle tire inflation device according to claim 1, wherein: the spring assembly comprises a spring, a spring fixing disc and a spring fixing cover, wherein the spring is embedded on the spring fixing disc, the spring fixing disc is sleeved on the hollow rotating shaft, one end of the spring is fixedly connected with the hollow rotating shaft, the other end of the spring is fixedly connected with the spring fixing disc, the back of the spring fixing disc is fixedly connected with the inner wall of the groove seat, the front of the spring fixing disc is fixedly connected with the spring fixing cover, and a through hole for connecting the hollow rotating shaft with the inflatable hose is formed in the center of the spring fixing cover.

9. The vehicle-mounted electric vehicle tire inflation device according to claim 1, wherein: the groove seat is provided with an inflation hose storage cavity and an inflation nozzle storage cavity, a hose converging buckle is arranged between the inflation nozzle storage cavity and the inflation hose storage cavity, and the groove seat is also provided with a cover plate which is matched with the groove and detachably connected with the groove seat.

10. The in-vehicle electric vehicle tire inflation device according to any one of claims 1 to 9, wherein: the vehicle-mounted electric vehicle tire inflation device is arranged inside the electric vehicle sheet metal shell in a concealed mode, and an inflation nozzle arranged at the front end of the inflation hose is embedded on the electric vehicle sheet metal shell at the installation position.

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