阅读说明：本技术 一种小体积连续自动打气筒 (Small-volume continuous automatic inflator ) 是由 高旺增 于 2021-09-14 设计创作，主要内容包括：本发明涉及充气设备技术领域,且公开了一种小体积连续自动打气筒,包括背板,所述背板的中间活动连接有中心转轴,所述中心转轴的外侧固定连接有定推板,所述定推板的一侧固定安装有复位弹簧,所述复位弹簧的一侧固定连接有压缩板,所述背板的顶端固定连接有进气筒,所述进气筒的底端固定安装有进气阀,所述进气筒的一侧固定连接有活动筒,所述活动筒的中间活动连接有转板卡塞。本发明将原有电动打气筒通过凸轮带动气缸结构进行压缩充气改为通过定推板与压缩板结构之间角度的开合来进行压缩充气,避免了活塞行程受凸轮半径限制的问题,避免了活塞结构直接通过中心转轴的转动来实现气腔内气体的压缩充气,使打气筒体积更小更加便捷。(The invention relates to the technical field of inflation equipment and discloses a small-size continuous automatic inflator which comprises a back plate, wherein the middle of the back plate is movably connected with a central rotating shaft, the outer side of the central rotating shaft is fixedly connected with a fixed push plate, one side of the fixed push plate is fixedly provided with a return spring, one side of the return spring is fixedly connected with a compression plate, the top end of the back plate is fixedly connected with an air inlet cylinder, the bottom end of the air inlet cylinder is fixedly provided with an air inlet valve, one side of the air inlet cylinder is fixedly connected with a movable cylinder, and the middle of the movable cylinder is movably connected with a rotating plate plug. The invention changes the original electric inflator to carry out compression and inflation by driving the cylinder structure through the cam into the compression and inflation by opening and closing the angle between the fixed push plate and the compression plate structure, thereby avoiding the problem that the stroke of the piston is limited by the radius of the cam, avoiding the compression and inflation of the gas in the gas cavity by the piston structure directly rotating through the central rotating shaft, and ensuring that the inflator has smaller volume and is more convenient.)

1. The utility model provides a continuous automatic inflator of little volume, includes backplate (1), its characterized in that: the middle movable connection of backplate (1) has central pivot (2), push pedal (3) are decided to the outside fixedly connected with of central pivot (2), one side fixed mounting who decides push pedal (3) has reset spring (4), one side fixedly connected with compression plate (5) of reset spring (4), the top fixedly connected with air inlet cylinder (6) of backplate (1), the bottom fixed mounting of air inlet cylinder (6) has admission valve (7), one side fixedly connected with piston (8) of air inlet cylinder (6), the middle movable connection of piston (8) has commentaries on classics integrated circuit board stopper (9), the bottom of commentaries on classics integrated circuit board stopper (9) includes starting block (91) and hindrance block (92), the top fixed mounting of commentaries on classics integrated circuit board stopper (9) has jam spring (10), one side of commentaries on classics integrated circuit board stopper (9) is equipped with the chute, one side of the chute is movably connected with a high-pressure plug (11).

2. A low volume continuous automatic pump according to claim 1, wherein: decide push pedal (3) and compression plate (5) crisscross distribution, both are fixed continuous through reset spring (4), decide push pedal (3) and be cross distribution, and one side that push pedal (3) outer end is close to compression plate (5) is equipped with the start protruding axle, the start protruding axle is the arc, and the number of degrees of circular arc is 10, the one end and the central pivot (2) of compression plate (5) are through pivot swing joint.

3. A low volume continuous automatic pump according to claim 1, wherein: the compression plate (5) can rotate around the central rotating shaft (2) relatively, the rotating range is 0-80 degrees, and the radian of the return spring (4) when the return spring is compressed to the shortest state is 10 degrees.

4. A low volume continuous automatic pump according to claim 1, wherein: the bottom of the air inlet cylinder (6) is arc-shaped, the radian of the arc is consistent with that of the outer end of the compression plate (5) when the compression plate rotates, and the arc length of the bottom of the air inlet cylinder (6) is a quarter of a circle.

5. A low volume continuous automatic pump according to claim 1, wherein: the chute is positioned on one side, close to the horizontal section of the movable barrel (8), of the rotating plate plug (9), the bottom section of the chute is deep, the top end of the chute is shallow, and the inclined plane on one side of the high-pressure plug (11) is consistent with the inclination of the chute.

6. A low volume continuous automatic pump according to claim 1, wherein: the bottom end of the starting block (91) is arc-shaped, the bottom end of the blocking block (92) is flat, a gap exists between the bottom end of the starting block and the bottom end of the blocking block, the width of the gap is larger than the thickness of the compression plate (5), and the width of the gap is smaller than the thickness of the fixed push plate (3).

Technical Field

The invention relates to the technical field of inflating equipment, in particular to a small-volume continuous automatic inflator.

Background

The bicycle is a common device for riding instead of walk and going out as an environment-friendly vehicle, the air in the bicycle tire is gradually reduced along with the increase of the use times, in order to ensure the riding comfort, an inflator is needed to inflate the bicycle tire, so the bicycle can not be used without the inflator,

however, most of the existing inflator is manual type inflator, which requires much manpower, and the principle of the existing electric inflator is that a high-power motor directly passes through a cam connecting rod device to drive a piston to reciprocate in a cylinder, so that the stroke of the piston is limited by the radius of a cam, and if the efficiency of the electric inflator is improved, the diameter of the cam must be increased to increase the volume of the inflator, so that the mutual limitation of the efficiency and the volume of the existing electric inflator cannot be optimized simultaneously; the principle of the existing inflator is that external air is flushed into the air cylinder and then is pressed out into a wheel by utilizing the reciprocating motion of the air cylinder, the tire is not inflated in the piston pulling-out stage, and the tire is inflated in the piston pushing-in stage, so that the air inlet is discontinuous when the inflator is used for inflating the tire, and the pressure of the air injected into the tire in unit time is unstable; the existing inflator can not automatically judge and adjust the air pressure state of the bicycle tire when the bicycle tire is inflated, and the air pressure is judged by stopping inflating at any time according to personal experience, so that the condition of tire burst caused by over-inflation is easily caused.

Disclosure of Invention

Aiming at the defects of the prior electric inflator in the background technology in the using process, the invention provides a small-volume continuous automatic inflator which has the advantages of small volume, automatic inflation in the driving process, time and labor saving, good inflation continuity and high efficiency, and solves the technical problems of discontinuous inflation process, large piston radius, large occupied volume, self-adaption tire air pressure adjustment and the like in the background technology.

The invention provides the following technical scheme: the utility model provides a continuous automatic inflater of little volume, includes the backplate, the middle swing joint of backplate has central pivot, the push pedal is decided to the outside fixedly connected with of center pivot, one side fixed mounting who decides the push pedal has reset spring, one side fixedly connected with compression plate of reset spring, the top fixedly connected with air inlet cylinder of backplate, air inlet cylinder's bottom fixed mounting has the admission valve, one side fixedly connected with movable cylinder of air inlet cylinder, movable cylinder's middle swing joint has the commentaries on classics board stopper, the bottom of commentaries on classics board stopper is including starting the piece and hindering the piece, the top fixed mounting of commentaries on classics board stopper has the card stopper spring, one side of commentaries on classics board stopper is equipped with the chute, one side swing joint of chute has the high-pressure stopper.

Preferably, decide the crisscross distribution of push pedal and compression board, both pass through reset spring and fixed linking to each other, decide the push pedal and be cross distribution, and one side that the push pedal outer end is close to the compression board is equipped with the start protruding axle, the start protruding axle is the arc, and the number of degrees of circular arc is 10, the one end and the central pivot of compression board are through pivot swing joint.

Preferably, the compression plate can rotate relatively around the central rotating shaft, and the rotation range is 0-80 degrees, and the radian of the return spring when the return spring is compressed to the shortest state is 10 degrees.

Preferably, the bottom end of the air inlet cylinder is arc-shaped, the radian of the bottom end of the air inlet cylinder is consistent with the radian formed by the outer end of the compression plate when the compression plate rotates, and the arc length of the bottom end of the air inlet cylinder is a quarter of a circle.

Preferably, the chute is positioned on one side of the rotating plate plug close to the horizontal section of the movable barrel, the bottom section of the chute is deep, the top end of the chute is shallow, and the inclined plane on one side of the high-pressure plug is consistent with the inclination of the chute.

Preferably, the bottom end of the actuating block is arc-shaped, the bottom end of the blocking block is flat, a gap is formed between the bottom end of the actuating block and the bottom end of the blocking block, and the width of the gap is larger than the thickness of the compression plate and smaller than the thickness of the fixed pushing plate.

The invention has the following beneficial effects:

1. the invention changes the original electric inflator to carry out compression and inflation by driving the cylinder structure through the cam into the compression and inflation by opening and closing the angle between the fixed push plate and the compression plate structure, thereby avoiding the problem that the stroke of the piston is limited by the radius of the cam, avoiding the compression and inflation of the gas in the gas cavity by the piston structure directly rotating through the central rotating shaft, and ensuring that the inflator has smaller volume and is more convenient.

2. According to the invention, through adjusting the position of the return spring, the inflation continuity and efficiency of the inflator can be adjusted, when the angle between a group of fixed push plates and a compression plate connected with the return spring is close to 90 degrees, a new closed air cavity is formed by the group of fixed push plates and the compression plate after the group of fixed push plates and the compression plate complete inflation work to inflate the tire, so that the inflation continuity is close to 100%, and when the return spring is adjusted to reduce the angle between the group of fixed push plates and the compression plate connected with the spring, the gap between the two groups of fixed push plates and the compression plate is increased, so that the inflation continuity and efficiency can be freely adjusted, and the problem of poor inflation continuity caused by the defect that the traditional piston type inflator cannot perform inflation when being pulled outwards to store air is avoided.

3. One end of the movable plug is communicated with the air inlet cylinder, and the high-pressure plug is movably arranged at the communicated part, so that the movable plug drives the rotating plate plug to move upwards under the condition of sufficient tire pressure, thereby stopping the blockage of the rotating plate plug on the rotation of the compression plate, ensuring that the push plate and the compression plate rotate normally without being blocked when the tire pressure is sufficient, stopping the gas supplement in the air inlet cylinder, ensuring that the air is automatically stopped to be inflated after the tire pressure is sufficient, and avoiding the condition of tire burst caused by over-inflation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the fixed push plate structure of the present invention;

FIG. 3 is a schematic diagram of the switching of the inflation groups of the present invention;

FIG. 4 is an enlarged view of a portion of the structure A shown in FIG. 3 according to the present invention.

In the figure: 1. a back plate; 2. a central rotating shaft; 3. fixing a push plate; 4. a return spring; 5. a compression plate; 6. an air inlet cylinder; 7. an intake valve; 8. a movable barrel; 9. a rotating plate is clamped and plugged; 91. a start block; 92. a blocking block; 10. a jamming spring; 11. a high pressure plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a small-sized continuous automatic inflator comprises a back plate 1, a central rotating shaft 2 is movably connected in the middle of the back plate 1, a fixed push plate 3 is fixedly connected to the outer side of the central rotating shaft 2, a return spring 4 is fixedly installed on one side of the fixed push plate 3, a compression plate 5 is fixedly connected to one side of the return spring 4, one side of the compression plate 5 is movably connected to the central rotating shaft 2, the fixed push plate 3 and the compression plate 5 are distributed in a staggered manner, the fixed push plate 3 is fixedly connected with the central rotating shaft 2 and can synchronously rotate along with the fixed push plate 3, the compression plate 5 is movably connected with the central rotating shaft 2 and can relatively rotate around the central rotating shaft 2, the relative rotation angle range is 0-90 degrees, an air inlet cylinder 6 is fixedly connected to the top end of the back plate 1, the bottom end of the air inlet cylinder 6 is arc-shaped and extends into the middle of two back plates 1, the length of the air inlet cylinder 6 is consistent with the diameter of the back plate 1 and the length difference of the fixed push plate 3, the arc length of the bottom end of the air inlet cylinder 6 is a quarter of circumference, the bottom end of the air inlet cylinder 6 is fixedly provided with an air inlet valve 7, the air inlet valve 7 is a one-way valve, the conduction direction of the air inlet valve 7 is from the outside of the air inlet cylinder 6 to the inside of the air inlet cylinder 6, one side of the air inlet cylinder 6 is fixedly connected with a movable cylinder 8, the movable cylinder 8 is T-shaped, the middle of the horizontal section of the movable cylinder 8 is movably connected with a rotating plate clamping plug 9, the top end of the rotating plate clamping plug 9 is fixedly provided with a clamping plug spring 10, one side of the rotating plate clamping plug 9 is provided with a chute, one side of the chute is movably connected with a high-pressure plug 11, one end of the high-pressure plug 11 is an inclined plane, and the high-pressure plug is movably sleeved in the horizontal section of the T-shaped movable cylinder 8;

referring to fig. 2, the length of the fixed push plate 3 and the compression plate 5 is smaller than the diameter of the back plate 1, and the air inlet cylinder 6 is embedded between the two back plates 1, so that the two adjacent fixed push plates 3 and the compression plates 5, the back plates 1 and the air inlet cylinder 6 together form a closed air cavity, and the compression plate 5 is movably connected with the central rotating shaft 2, so that the compression plate 5 can be compressed inwards in the rotating process, the volume of the closed air cavity is reduced, the air pressure is increased, and high-pressure air is pressed into the air inlet cylinder 6 through the air inlet valve 7 to inflate a tire;

referring to fig. 3, when the central rotating shaft 2 rotates, the fixed push plate 3 fixedly connected with the central rotating shaft is driven to synchronously rotate, the compression plate 5 rotates along with the fixed push plate 3 under the fixation of the return spring 4 until the compression plate 5 contacts the hand-locking spring 10 to push the downward-protruding rotating plate locking plug 9 to be limited to rotate, at this time, the adjacent fixed push plate 3 rotates to the lower left corner of the air inlet cylinder 6 to form a closed air cavity with the air inlet cylinder, then the fixed push plate 3 continues to rotate under the drive of the central rotating shaft 2 to compress the air in the closed air cavity, the pressure in the closed air cavity rises, the air flows into the air inlet cylinder 6 through the air inlet valve 7 to supplement the wheels until the fixed push plate 3 rotates to contact the rotating plate locking plug 9, the fixed push plate 5 contacts and is limited, at this time, the fixed push plate 3 rapidly rotates to the position between the two fixed push plates 3, and the space between the fixed push plate 3 and the compression plate 5 is filled with the air again, meanwhile, the next group of adjacent fixed push plates 3 and compression plates 5 reach the bottom end of the air inlet cylinder 6 to form a closed air cavity with the bottom end of the air inlet cylinder, and the air is compressed again to inflate the wheels, so that continuous efficient inflation of the wheels is performed, the waiting time for air storage when the original inflator piston is pumped out is saved, and the inflation efficiency of the inflator is improved;

referring to fig. 4, the bottom end of the rotating board stopper 9 includes a start block 91 and a blocking block 92, the bottom end of the start block 91 is arc-shaped, the bottom end of the blocking block 92 is flat, so that the rotating fixed push plate 3 and the compression plate 5 can be easily pushed up after contacting the start block 91, the blocking block 92 can limit the compression plate 5 to continue rotating, a gap exists between the start block 91 and the blocking block 92, the width of the gap is greater than the thickness of the compression plate 5 and less than the thickness of the fixed push plate 3, so that when the compression plate 5 rotates to the lower side of the rotating board stopper 9, the start block 91 can be pressed to move the rotating board stopper 9 upwards, and when the compression plate 5 moves to the gap between the start block 91 and the blocking block 92, the compression plate 5 does not contact the start block 91 any more, at this time, the rotating board stopper 9 is pushed downwards by the elastic force of the stopper spring 10, so as to be limited by the blocking block 92, when the fixed push plate 3 rotates to the position below the rotating plate clamping plug 9, the starting block 91 is pushed to enable the rotating plate clamping plug 9 to move upwards, after the originally limited compression plate 5 is discharged, the fixed push plate 3 continues to rotate, and as the width of the gap between the starting block 91 and the blocking block 92 is smaller than the thickness of the fixed push plate 3, the fixed push plate 3 can simultaneously press the starting block 91 and the blocking block 92 without falling into the gap between the starting block 91 and the blocking block 92, the compression plate 5 is in limited contact with and freely passes through the fixed push plate 3, the processes of air storage and tire inflation are achieved through the reciprocating change of the angle between the fixed push plate 3 and the compression plate 5, the complex structure of a cam and a piston is avoided, the size of the inflator device is reduced, and the inflator device is more convenient and attractive;

in the application of the invention, a central rotating shaft 2 can be fixed at the rotating shaft side of a wheel to rotate synchronously along with the rotation of the wheel, so that the vehicle is driven to rotate to inflate in the advancing process, a high-pressure plug 11 is movably sleeved at the horizontal section of a T-shaped movable cylinder 8, one end of the horizontal section of the movable cylinder 8 is communicated with the inside of an air inlet cylinder 6, when the air pressure in the air inlet cylinder 6 reaches the required air pressure, the high-pressure top end high-pressure plug 11 in the air inlet cylinder 6 moves towards the vertical side of the movable cylinder 8 to push the inclined surface at one side of a rotating plate plug 9, so that the rotating plate plug 9 moves upwards to compress a plug spring 10, thereby preventing a starting block 91 and a blocking block 92 from extending out of the vertical section of the movable cylinder 8, at the moment, the rotating plug 9 cannot limit the rotation of a compression plate 5, so as to ensure that the vehicle continues to travel under the condition of sufficient internal pressure of the wheel, the vehicle cannot inflate the wheel, and when the internal pressure of the vehicle is reduced, the air inlet cylinder 6 cannot resist the elastic force of the plug spring 10, the rotating plate clamping plug 9 falls to the outside of the air inlet cylinder 6 again, so that the angle change between the adjacent fixed push plate 3 and the compression plate 5 is controlled again to generate high pressure in the closed air cavity, the wheel is inflated, and the phenomenon that the tire bursts due to over-inflation is avoided.

The using method of the invention has the following working principle:

before use, one end of an air inlet cylinder 6 is connected with a wheel inflation inlet, a central rotating shaft 2 rotates to enable a fixed push plate 3 and a compression plate 5 to synchronously rotate along the fixed push plate and the compression plate, when the compression plate 5 rotates to the lower end of a rotating plate clamping plug 9, the fixed push plate 3 adjacent to the compression plate rotates to the lower left corner of the air inlet cylinder 6, a back plate 1, the fixed push plate 3 and the compression plate 5 jointly form a closed air cavity, at the moment, the compression plate 5 firstly contacts a starting block 91 and continuously rotates along the arc shape of the lower end of the starting block, so that the rotating plate clamping plug 9 is upwards jacked up, then the compression plate 5 falls into a gap between the starting block 91 and a blocking block 92, the rotating plate clamping plug 9 falls under the elastic force of a clamping plug spring 10, the blocking block 92 clamps the compression plate 5 to limit the compression plate to continuously rotate along the central rotating shaft 2, and the fixed push plate 3 fixedly connected with the central rotating shaft 2 continuously rotates to inwards compress the inner closed space, so that the internal gas is pressurized and rushes out from the air inlet valve 7 to enter the air inlet cylinder 6 to realize the inflation of the wheel, when the starting convex shaft at one side of the fixed push plate 3 rotates to the lower part of the starting block 91, the lower cambered surface of the starting block 91 is jacked to move the rotating plate clamping plug 9 upwards integrally so as to remove the limitation on the compression plate 5, wherein the starting convex shaft is positioned at the upper position on the front surface of the air inlet valve 7 and cannot influence the normal air inlet of the air inlet valve 7, the compression plate 5 is reset to the middle position of two adjacent fixed push plates 3 under the elastic action of the compression reset spring 4 so that the middle parts of the fixed push plate 3 and the compression plate 5 are filled with gas again, then the next group of fixed push plates 3 rotates to the lower part of the rotating plate clamping plug 9 again so as to continuously inflate the wheel and improve the inflation efficiency thereof, wherein the position of the reset spring 4 can be adjusted, namely the angle between the two fixed push plates 3 and the compression plate 5 connected with the reset spring 4 is adjusted, the continuous degree and the efficiency of inflation can be correspondingly adjusted, when rapid inflation is needed, the reset spring 4 is adjusted to the angle between the fixed push plate 3 and the compression plate 5 to be close to 90 degrees, so that after the fixed push plate 3 and the compression plate 5 of the previous group complete inflation and are screwed out of the bottom of the air inlet cylinder 6, the fixed push plate 3 and the compression plate 5 of the next group enter the bottom of the air inlet cylinder 6 and form a closed air cavity to inflate the next wheel, thereby greatly improving the inflation efficiency, avoiding the time waste during air storage, when the air pressure in the wheel reaches a required value, the rotating plate blocking plug 9 in the horizontal section of the movable cylinder 8 is pressed by high pressure in the air inlet cylinder 6 to move rightwards, thereby pushing the chute on the rotating plate blocking plug 9 to enable the rotating plate blocking plug 9 to overcome the blocking spring 10 to lift upwards, at the moment, the rotation of the fixed push plate 3 and the compression plate 5 is not limited below the rotating plate blocking plug 9, thereby automatically stopping the inflation of the wheel, the phenomenon of tire burst caused by continuous inflation due to proper tire pressure in the driving process is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.