Air faucet capable of realizing mutual switching of air inlet valve and air outlet valve
Technical Field
The utility model relates to an air charging connector technical field especially relates to an air cock that can realize air inlet valve and air outlet valve and switch mutually.
Background
The existing inflatable air cushions or air pillows on the market are inflated and deflated by using air valves, which are usually simple open-close valves or one-way valves.
When a user uses an inflatable product, the user needs to use a nozzle or an inflator pump to inflate the product, the user directly blows air through the nozzle and often needs the intervals of gasping and resting, the nozzle or the inflator pump is moved away from the nozzle after the inflation is finished and then the intervals between the nozzles are closed, the air in the product possibly leaks out of the intervals, and at the moment, an air inlet valve is needed to enable the air cushion to be inflated only and not to be exhausted; similarly, when the user is deflating the inflatable product, especially the self-inflating product with the filler inside, the user needs to roll up the product and continuously press the product to extrude the gas inside the product, in the deflating process, the user also needs to rest or unfold the product to press the product for the second time, and in the pressing interval, the gas outlet valve is needed to allow the air cushion to exhaust only without inflation. Therefore, the user has the use requirements on the two valves respectively in the two processes of inflating and deflating the product.
The prior one-way valve or opening-closing valve for inflation and deflation mainly has the following defects during use:
1. when the product is inflated, if the air inlet valve is not arranged, after the product is inflated, air leaks out of the product before the air faucet is closed, so that the inflating effect is reduced;
2. when the product is deflated, if an air outlet valve is not arranged, air can be sucked at intervals of extruding the product, so that the deflation efficiency is reduced, the product cannot be completely exhausted, and the storage volume is large;
3. if two one-way valve air nozzles are simultaneously arranged on a product, the weight and the volume are increased, and confusion is easy to generate.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at providing a can realize the air cock that air inlet valve and air outlet valve switched mutually, through impress and extract the switching that two kinds of simple interactive actions realized that single air cock admits air and give vent to anger two kinds of modes, make the user fill the gassing light high-efficient more for aerifing the product.
In order to achieve the above object, the utility model discloses a technical scheme be: the air faucet is characterized by comprising an inner cylinder, an outer cylinder, a first air valve, a second air valve, a first positioning piece and a second positioning piece; the inner cylinder is movably arranged in the outer cylinder, the first air valve and the second air valve are both one-way air valves and are oppositely arranged at two ends of the inner cylinder, and the inner cylinder is provided with a first air hole and a second air hole; the inner barrel has a first position and a second position: when the inner cylinder is located at the first position, the second air hole is exposed out of the outer cylinder, the air nozzle is located in an air inlet mode, the inner cylinder and the outer cylinder are fixed through the first positioning piece, air enters from the first air valve and then is discharged from the first air hole, at the moment, the second air valve fails, and air outlet is blocked; when the inner cylinder is located at the second position, the first air hole is exposed out of the outer cylinder, the air tap is in an air outlet mode, the inner cylinder and the outer cylinder are fixed through the second positioning piece, air is discharged from the first air hole after entering through the second air valve, and at the moment, the first air valve fails and air inlet is blocked.
Further, the inner barrel includes: the first air valve and the second air valve are respectively arranged at two end parts of the lower half inner cylinder, and the upper half inner cylinder receives external acting force to realize switching between a first position and a second position.
Furthermore, the first positioning element comprises a first rubber ring sleeved on the upper part of the periphery of the lower half inner cylinder, and the second positioning element comprises a second rubber ring sleeved on the lower part of the periphery of the lower half inner cylinder.
Further, the first air hole and the second air hole are arranged between the first rubber ring and the second rubber ring.
Further, the center of the upper half inflator forms a hollow air passage, the hollow air passage is communicated with the first air valve, and an outer cover is movably sleeved on the upper half inflator.
Further, the outer cover is made of a flexible material, and an interference fit is formed between the outer cover and the upper half inner cylinder.
Furthermore, the periphery of the outer barrel is sleeved with sealing glue pressing which is made of flexible materials.
The utility model has the advantages that: 1. the inner cylinder is pressed in or pulled out, so that the air inlet valve and the air outlet valve on the same air tap can be freely switched; 2. the usability of the self-inflating product during inflation and deflation is improved, and the efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the structure of FIG. 1;
FIG. 3 is a cross-sectional view of an air faucet of an embodiment of the present invention in an intake mode;
fig. 4 is a sectional view of the air faucet of the embodiment of the present invention in the deflation mode.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Please refer to fig. 1-2, an embodiment of the present invention provides an air faucet capable of realizing mutual switching between an air inlet valve and an air outlet valve, including: the outer cover 1, the inner cylinder, the upper air valve 2, the upper rubber ring 4, the outer cylinder 5, the sealing glue 6, the lower rubber ring 8 and the lower air valve 9. The inner cylinder is movably arranged in the outer cylinder 5, and the upper air valve 2 and the lower air valve 9 are both one-way air valves and are made of soft colloid. The inner cylinder consists of an upper half inner cylinder 2 and a lower half inner cylinder 7, an upper air valve 2 and a lower air valve 9 are oppositely arranged at the upper end and the lower end of the lower half inner cylinder 7, an upper rubber ring 4 is clamped in a first clamping groove 12 at the upper part of the lower half inner cylinder 7, a lower rubber ring 8 is clamped in a second clamping groove 13 at the lower part of the lower half inner cylinder 7, and a first air hole 10 and a second air hole 11 are arranged between the first clamping groove 12 and the second clamping groove 13; the inner cylinder has two position states of an upper position and a lower position: when the inner cylinder is at the lower position, the air nozzles are respectively in an inflation mode, and when the inner cylinder is at the upper position, the air nozzles are in an deflation mode; FIG. 3 shows a schematic cross-sectional view of the nozzle in an inflation mode, in which the outer cap 1 is in an open position and the inner barrel is in a lower position; FIG. 4 shows a schematic cross-sectional view of the nozzle in the deflated state, in which the outer cap 1 is in the open position and the inner cylinder is in the upper position; under the mode of charging and discharging, the specific working principle of the air tap is as follows:
1. and (3) an inflation mode:
at the moment, the inner cylinder is pressed into the lower position by pressing the upper half inner cylinder 2, the upper rubber ring 4 can be pressed into the outer tube 5, obvious and transient resistance feeling is accompanied, the inner cylinder can be fixed in the lower position state under the limitation of friction force, the second air hole 11 exposes out of the outer tube 5, the air nozzle is in an inflation mode, a hollow air passage is formed in the middle of the upper half inner cylinder 2, external air enters from the hollow air passage, enters the lower half inner cylinder 7 through the upper air valve 3 and is then discharged from the second air hole 11 (shown by a solid arrow in the figure), meanwhile, the lower air valve 9 fails, the internal air is blocked but cannot be discharged (shown by a dotted arrow in the figure), and an inflatable product can be inflated without gas being discharged.
2. An air release mode:
at the moment, the inner cylinder is located at the upper part position by pulling up the upper half inner cylinder 2, the lower rubber ring 8 can be pressed into the outer tube 5, obvious and transient resistance feeling is accompanied, the inner cylinder can be fixed at the upper part position state under the limitation of friction force, the first air hole 10 is exposed out of the outer tube 5, the air nozzle is in an air release mode, internal air enters the lower half inner cylinder 7 through the lower air valve 9 and is discharged through the first air hole 10 (shown by a solid arrow in the figure), meanwhile, the upper air valve 3 fails, external air is blocked but cannot enter (shown by a dotted arrow in the figure), and the inflatable product can be deflated without being flushed with air.
After inflating or the gassing is accomplished, when covering enclosing cover 1 in first half inner tube tightly, no matter the inner tube was in upper portion position or in the lower part position this moment, the business turn over gas is all blocked but, aerifys the product this moment and can normally use, and enclosing cover 1 adopts flexible elastic plastics material to make, and with adopt interference fit and upper half inner tube 2 surface between 2 sets up anti-skidding arch, need not the sealing washer and can realize gaseous seal.
The utility model discloses a simple action of impressing or extracting can realize the switching between admission valve or the air outlet valve on same air cock, makes the user fill the gassing light high efficiency more for aerifing the product.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.