Auxiliary device for portable inflator with side opening door

Abstract

The utility model discloses a portable inflator auxiliary device with a side opening door, and relates to the technical field of inflators, the portable inflator auxiliary device comprises a round base, an air-blowing cylinder and a round pedal, an auxiliary supporting assembly is installed on the inner side of the air-blowing cylinder, and the auxiliary supporting assembly comprises a basic cylinder, a movable cylinder, a first spring and a locking structure; the first spring is arranged on the outer side of the basic cylinder in a sleeving mode, a locking structure movably connected with the round pedal is installed at the center of the round pedal and comprises a rotary knob, a center column, an eccentric block, a sleeve, an extending column and a second spring, the first spring is used for bouncing the round pedal, and the locking structure is used for locking the position of the round pedal. The size of the inflator is reduced, the small-size inflator is convenient to carry and store and does not need to be stored through an additional binding rope or an inflator storage cover, certainly, when the locking structure is unlocked, the round pedal is not locked any more and can freely move up and down, and the adjusting process of the locking structure is simple and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pump technology field, concretely is a side open door portable pump auxiliary device. BACKGROUND

[0002] The rubber pump is a common inflation tool, and the rubber pump is generally of a side open door structure. The side edge of the rubber pump is connected with a gas delivery pipe. The rubber pump is usually used for inflating toy tires and toy balls.

[0003] The rubber pump has good elasticity in the early stage of use, but the barrel rubber elasticity of the rubber pump deteriorates after a period of time, and it is difficult to rebound in the first time. Even the rubber pump pedal needs to be pulled up manually. Therefore, some rubber pumps choose to install a strong spring inside. After installing the strong spring, the support effect is good, but it causes the pump to be carried and stored, and the pump needs to be tied tightly with a rope to reduce the volume of the pump, or the pump is stored in a storage cover after being compressed. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a side open door portable pump auxiliary device, which solves the technical problems of the prior art.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme:

[0006] A side open door portable pump auxiliary device, comprising a round base, a pump and a round pedal, a gas inlet and a gas outlet are formed in the side wall of the round base, the round base is connected with a gas delivery hose through the gas outlet, the round base is connected with the round pedal through the pump, an auxiliary support assembly is installed on the inner side of the pump, the auxiliary support assembly comprises a base cylinder, a movable cylinder, a first spring and a locking structure, the first spring is sleeved on the outer side of the base cylinder, the bottom end of the base cylinder is fixedly connected with the round base, the inner cavity wall of the base cylinder is movably connected with the movable cylinder, the top end of the movable cylinder is connected with the round pedal, the locking structure is movably connected with the center of the round pedal, and the end of the locking structure is movably connected with the base cylinder.

[0007] Preferably, a one-way valve is installed on the gas inlet and the gas outlet of the side wall of the round base.

[0008] Preferably, the locking structure comprises a knob, a center column, an eccentric block, a sleeve, an extension column and a second spring, the knob is connected with the top end of the center column, the bottom end of the center column is installed with the eccentric block, the side wall of the eccentric block is movably connected with the extension column, the extension column penetrates through the sleeve and the movable cylinder, the sleeve is fixedly connected with the bottom surface of the round pedal, the tail end of the extension column is movably connected with the base cylinder, and the second spring is sleeved on the outer side of the extension column.

[0009] Preferably, the base cylinder and the movable cylinder are provided with air holes on the cylinder body.

[0010] Preferably, the extending column comprises a transverse square column and a limiting ring, two ends of the second spring are connected with the movable cylinder and the limiting ring respectively, and a corner of the square column in contact with one end of the eccentric block is rounded.

[0011] The utility model provides a portable inflator auxiliary device of side opening door, has the following beneficial effects compared with prior art:

[0012] The portable inflator auxiliary device of side opening door, the inside of air cylinder is provided with the auxiliary support subassembly for supporting, the first spring is used for the round pedal is bounced up, the locking structure is used for locking the position of round pedal, when the round pedal is locked, the air cylinder volume is small, the small volume air cylinder is convenient for carrying and storage, need not additional binding rope or air cylinder storage cover to save, of course, when the locking structure is unfastened, the round pedal is no longer locked, and the round pedal can move up and down freely, and the locking structure adjustment process is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model;

[0014] Figure 2 It is use state schematic diagram of the utility model;

[0015] Figure 3 It is enlarged schematic diagram of structure A of the utility model;

[0016] Figure 4 It is folding state schematic diagram of the utility model;

[0017] Figure 5 It is enlarged schematic diagram of structure B of the utility model;

[0018] Figure 6 It is overhead schematic diagram of eccentric block of the utility model;

[0019] Figure 7 It is extending column structure schematic diagram of the utility model.

[0020] In the drawing: 1, round base; 2, air cylinder; 3, round pedal; 4, auxiliary support subassembly; 41, base cylinder; 42, movable cylinder; 43, first spring; 44, locking structure; 441, knob; 442, center column; 443, eccentric block; 444, sleeve; 445, extending column; 4451, square column; 4452, limiting ring; 446, second spring. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-7 The present application provides a side-opening door portable air pump auxiliary device, which comprises a round base 1, an air pump 2 and a round pedal 3. The sidewall of the round base 1 is provided with an air inlet and an air outlet. The air inlet and the air outlet on the sidewall of the round base 1 are both provided with a one-way valve. When the round pedal 3 is continuously stepped on, the round pedal 3 is pressed down, the air pump 2 is compressed, and the air in the air pump 2 flows to the air hose along the air outlet. The round base 1 is connected to the air hose through the air outlet, and the round base 1 is connected to the round pedal 3 through the air pump 2. The inner side of the air pump 2 is provided with an auxiliary support assembly 4, which can make the round pedal 3 quickly rebound. The auxiliary support assembly 4 comprises a base cylinder 41, a movable cylinder 42, a first spring 43 and a locking structure 44. The first spring 43 is sleeved on the outside of the base cylinder 41 and is used to pop up the round pedal 3. The bottom end of the base cylinder 41 is fixedly connected to the round base 1. The base cylinder 41 and the movable cylinder 42 play a guiding and limiting role. The inner cavity wall of the base cylinder 41 is movably connected to the movable cylinder 42. The top end of the movable cylinder 42 is connected to the round pedal 3. The center of the round pedal 3 is provided with the locking structure 44 movably connected thereto. The end of the locking structure 44 is movably connected to the base cylinder 41. The locking structure 44 is used to lock the position of the round pedal 3. When the round pedal 3 is locked, the volume of the entire air pump can be greatly reduced, and the portability is improved. When the locking structure 44 is unlocked, the round pedal 3 is no longer locked, and the round pedal 3 can move up and down freely. The adjustment process of the locking structure 44 is simple and convenient.

[0023] The locking structure 44 comprises a knob 441, a center column 442, an eccentric block 443, a sleeve 444, an extension column 445 and a second spring 446, the knob 441 is connected to the top end of the center column 442, the bottom end of the center column 442 is installed with the eccentric block 443, the side wall of the eccentric block 443 is movably connected with the extension column 445, the extension column 445 penetrates through the sleeve 444 and the movable cylinder 42, the sleeve 444 is fixedly connected with the bottom surface of the circular pedal 3, the tail end of the extension column 445 is movably connected with the base cylinder 41, and the second spring 446 is sleeved outside the extension column 445, during the rotation of the knob 441, the knob 441 drives the eccentric block 443 to rotate through the center column 442, the rotating eccentric block 443 forces the extension column 445 to be laterally displaced, and the displaced extension column 445 is inserted into the preset hole position on the top wall of the base cylinder 41, so that the height position of the locking structure 44 and the circular pedal 3 is limited, and of course, the reverse rotation of the knob 441 can make the extension column 445 be separated from the base cylinder 41, and the circular pedal 3 can be moved up and down again.

[0024] The base cylinder 41 and the cylinder body of the movable cylinder 42 are both provided with air holes, so that the normal air flow is ensured.

[0025] The extension column 445 comprises a transversely arranged square column 4451 and a limiting ring 4452, the two ends of the second spring 446 are respectively connected with the movable cylinder 42 and the limiting ring 4452, the second spring 446 limits the extension column 445, the square column 4451 is rounded at one end contacting the eccentric block 443, and a flat table is arranged at the edge of the eccentric block 443, so that the eccentric block 443 cannot rotate when the square column 4451 contacts the flat table of the eccentric block 443.

[0026] Working principle: the portable inflator auxiliary device with the side opening door, the inflator auxiliary device comprises a circular base 1, an inflator 2 and a circular pedal 3, the inner side of the inflator 2 is installed with an auxiliary supporting assembly 4 for supporting, the auxiliary supporting assembly 4 comprises a base cylinder 41, a movable cylinder 42, a first spring 43 and a locking structure 44, the first spring 43 is used for lifting the circular pedal 3, the base cylinder 41 and the movable cylinder 42 play a guiding and limiting role, the locking structure 44 is movably connected at the center of the circular pedal 3, the end of the locking structure 44 is movably connected with the base cylinder 41, and the locking structure 44 is used for locking the position of the circular pedal 3, when the circular pedal 3 is locked, the volume of the entire inflator can be greatly reduced, and the carrying convenience is improved, of course, when the locking structure 44 is unlocked, the circular pedal 3 is no longer locked, and the circular pedal 3 can freely move up and down, and the adjustment process of the locking structure 44 is simple and convenient.

[0027] The two states include the first state when the inflator is tightened, the large diameter part of the eccentric block 443 is in contact with the extension column 445, the end of the extension column 445 is inserted into the preset hole position on the top wall of the base cylinder 41, the height position of the locking structure 44 and the round pedal 3 is limited, as shown in the accompanying Figure 4 and the accompanying Figure 5 , the position of the round pedal 3 is locked, the volume of the entire inflator can be greatly reduced, and the carrying convenience is improved, and the second state is the use state, the knob 441 is twisted, and the eccentric block 443 connected with the knob 441 is rotated by 90 degrees, the small diameter part of the eccentric block 443 is in contact with the extension column 445, the extension column 445 is reset under the elastic force of the second spring 446, the end of the extension column 445 is separated from the base cylinder 41, and the round pedal 3 can be moved up and down again, as shown in the accompanying Figure 2 and the accompanying Figure 3 , so that continuous foot-pedal inflation can be performed, when the inflation is completed, the round pedal 3 is pressed down together with the locking structure 44, then the knob 441 is twisted to make the extension column 445 inserted into the preset hole position on the top wall of the base cylinder 41, so that the small volume inflator is convenient to carry and store, and does not need additional binding ropes or inflator storage covers for storage.

[0028] In summary, the inflator auxiliary device with the side opening door is convenient to carry and store, and does not need additional binding ropes or inflator storage covers for storage, when the locking structure 44 is unlocked, the round pedal 3 is no longer locked, and the round pedal 3 can be freely moved up and down, and the locking structure 44 is simple and convenient to adjust.

[0029] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0030] It should be noted that the basic principles, main features and advantages of the utility model are shown and described above, those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principles of the utility model, under the premise of not departing from the spirit and range of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the range of the utility model to be protected, the protection range of the utility model is defined by the appended claims and their equivalents.

Claims

1. A side opening door portable air pump auxiliary device, comprising a round base (1), an air pump (2) and a round pedal (3), an air inlet and an air outlet are arranged on the side wall of the round base (1), the round base (1) is connected with a gas delivery hose through the air outlet, the round base (1) is connected with the round pedal (3) through the air pump (2), characterized in that: The inner side of the inflator (2) is provided with an auxiliary support assembly (4), which comprises a base cylinder (41), a movable cylinder (42), a first spring (43) and a locking structure (44), the first spring (43) is sleeved on the outer side of the base cylinder (41), the bottom end of the base cylinder (41) is fixedly connected with the circular base (1), the inner cavity wall of the base cylinder (41) is movably connected with the movable cylinder (42), the top end of the movable cylinder (42) is connected with the circular pedal (3), the center of the circular pedal (3) is provided with the locking structure (44) movably connected therewith, and the end of the locking structure (44) is movably connected with the base cylinder (41). ​ 2. A portable air pump assist device for a side opening door as defined in claim 1, wherein: The air inlet and the air outlet on the side wall of the circular base (1) are provided with one-way valves.

3. A side opening door portable air cylinder assist device as defined in claim 1, wherein: The locking structure (44) comprises a knob (441), a center column (442), an eccentric block (443), a sleeve (444), a protruding column (445) and a second spring (446), the knob (441) is connected with the top end of the center column (442), the bottom end of the center column (442) is provided with the eccentric block (443), the side wall of the eccentric block (443) is movably connected with the protruding column (445), the protruding column (445) penetrates through the sleeve (444) and the movable cylinder (42), the sleeve (444) is fixedly connected with the bottom surface of the circular pedal (3), the tail end of the protruding column (445) is movably connected with the base cylinder (41), and the outer side of the protruding column (445) is sleeved with the second spring (446).

4. A side opening door portable air cylinder assist device as defined in claim 1, wherein: Ventilation holes are formed in the cylinders of the base cylinder (41) and the movable cylinder (42).

5. A side opening door portable air cylinder assist device as defined in claim 3, wherein: The protruding column (445) comprises a transversely arranged square column (4451) and a limiting ring (4452), the two ends of the second spring (446) are connected with the movable cylinder (42) and the limiting ring (4452) respectively, and one end of the square column (4451) in contact with the eccentric block (443) is rounded.

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