CN2317368Y - Improved throttle valve structure for air-cushion bed - Google Patents

Abstract

The utility model relates to an improvement to a throttle valve of an air-cushion bed with a physiotherapy action. The utility model has the key point that two flow guiding grooves which are different in length are arranged on the outside of the throttle value; the long flow guiding groove is communicated with two air inlet holes on the surfaces of air supply blocks which can simultaneously contained by the long flow guiding groove; the short flow guiding groove is provided with a notch for leaking air. When the throttle valve rotates slowly at a certain speed, an air inlet can supply gas into a stereo strip tube till saturation; subsequently, the long flow guiding groove also simultaneously contains the other air inlet; gas in the stereo strip tube preliminary inflated can support a distant stereo strip tube; the time difference of expansion and shrinkage of distant stereo strip tubes are shortened; so the actions of saving power and increasing the massage effect are played.

Description

Improved air bed throttle valve structure

The utility model is a kind of improved air bed throttle valve structure, relates to a kind of valve body structure.

Along with being showing improvement or progress day by day and develop of medical science, various medical equipments have also obtained constantly bringing forth new ideas and improving simultaneously, in the hope of reaching complementary effect is arranged with medical treatment, for long-term laid-up patient (as patients such as apoplexy, plant persons), because health stands up inconvenience, local long-term pressurized, cause the circulatory system bad and cause the generation of the bedsore illness due to the suppuration bacterium breeding, at this symptom, only way only makes the humidity at pressurized place can be often adjusted, the state that the skin at this place can be kept dry, there is the possibility of improving the bedsore illness side.Thereby, the generation of air bed has just been arranged on the market, its structure is roughly as Fig. 1, shown in 2, generally by an air bed body 10, one control box 20 and two suction tude 30 are formed, and a pump 40 and a controlling device 50 are arranged in the control box 20, by controlling device 50 air supply repeatedly, through two suction tude 30 to three-dimensional bar pipe 101 of being separated by of air bed body 10, the feasible three-dimensional bar pipe 101 of being separated by is bloated in the equal time difference, the state that contracts (is seen Fig. 1,2) thus reach the massage disease-sufferer effect, make disease-sufferer's pressurized position that the pine of replacement can be arranged in the certain hour difference, tight pressure is to reach the purpose that keeps this position drying.The major function of Here it is air bed.In addition, as Fig. 3, wherein this controlling device 50 is by a motor 501, one spring 502, one air feed piece 503 and modulating valve 504 are formed, air feed piece 503 has an air supply pipe 5031 and two suction tude 5032, be communicated with an air vent 5033 and two inlet holes 5034 of air feed piece 50 end faces respectively, and air supply pipe 5031 is subjected to two lateral plates 5011 of motor 501 tops to pulling, air feed piece 503 can't be rotated, and modulating valve 504 presses above air feed piece 503, upspringed by spring 502 bottom it pulls, inserting by a latch 505, make 503 of modulating valve 504 and air feed pieces have no the gap, driven and slowly rotation by motor 501, in addition, this modulating valve 504 is the structure of bottom surface, upwards is several guiding gutters 5042 that a central scrobicular ring 5041 and the outside are arranged, scrobicular ring 5041 has a breach 5043 to be communicated with a guiding gutter 5042 at appropriate location, and is provided with a through hole 5044 in order to lose heart in another guiding gutter 5042.

Known to the structure of above-mentioned modulating valve 504, its operating principle is shown in Fig. 4～7, when the breach 5043 of modulating valve 504 is turned left, do not faced toward two inlet holes 5034 as yet by the guiding gutter 5042 of aeration, make its not air inlet (see figure 4), when modulating valve 504 is subjected to motor 501 rotary driving to an inlet hole 5034 during facing to gassiness guiding gutter 5042, this inlet hole 5034 can be inflated to three-dimensional bar pipe (see figure 5), when then rotating to another inlet hole 5034 again facing to through hole 5044, the three-dimensional bar pipe of this correspondence can lose heart and the flat (see figure 6) that contracts, when one inlet hole 5034 continues to be inflated to saturated, when continuing to rotate to the inlet hole 5034 that contracts after flat again and inflating, 5034 (see figure 7)s in losing heart of another air-filled pore, perseveration just constitutes expanding of the three-dimensional bar pipe of being separated by like this, the action of contracting is thisly expanded repeatedly, the action of contracting just plays a part massage.Yet, since in two inlet holes 5034, one of them air inlet, and another is not failure to actuate, be in losing heart, and one expands one has the regular hour poor between contracting, promptly can't the while air inlet, therefore, this time difference that contracts of expanding is longer, not only waste electric energy, and the effect of massage has a greatly reduced quality, improved necessity is arranged in fact.

In view of the foregoing, the purpose of this utility model is: a kind of three-dimensional bar pipe one of being separated by air bed throttle valve neotectonics of contracting the time difference of expanding of shortening is provided.It can improve massage effect, and can save electric energy.

The technical solution of the utility model is to realize like this, on the mediad of the bottom surface of throttle valve, be a scrobicular ring is arranged, in the outside then is guiding gutter, appropriate location guiding gutter laterally at scrobicular ring offers breach, in the throttle valve bottom side is the air feed piece, it has an air supply pipe, two suction tude, and respectively to an air vent and two inlet holes should be arranged; The outside, bottom surface of this throttle valve has long and short two guiding gutters that differ, and long guiding gutter is to be communicated with two inlet holes that can contain air feed piece end face simultaneously, and the breach that scrobicular ring is offered is to be communicated with long guiding gutter, offers a short slot at the short-range missile chute in addition, for the usefulness of losing heart;

According to above-mentioned aufbauprinciple, when throttle valve is subjected to certain rotating speed motor with speed rotation slowly, one inlet hole can arrive saturation state for the gas in the three-dimensional bar pipe in advance, then when long guiding gutter also can be contained another inlet hole simultaneously, gas in this three-dimensional bar pipe of inflating in advance just can be supported the three-dimensional bar pipe of being separated by, save electric energy and dwindle expanding, contracting the time difference of the three-dimensional bar pipe of being separated by thereby reach, to improve massage effect.To reach embodiment below with reference to the accompanying drawings is further described technical characteristics of the present utility model.

Description of drawings:

Fig. 1,2 is air bed massage effect action reference figure commonly used.

Fig. 3 is the controlling device three-dimensional exploded view of air bed commonly used.

Fig. 4～7 are the modulating valve schematic diagram of movements of air bed commonly used.

Fig. 8 is a modulating valve stereogram of the present utility model.

Fig. 9～14 are modulating valve schematic diagram of movements of the present utility model.

Embodiment:, be modulating valve stereogram of the present utility model as Fig. 8.The utility model mainly is meant improved throttle valve structure, now by the explanation of the operating principle between throttle valve 1 and the below air feed piece 2 the utility model.Air feed piece 2 has an air supply pipe 21, two suction tude 22, and respectively to an air vent 23 and two inlet holes 24 should be arranged, being on the mediad of the bottom surface of throttle valve 1 has a scrobicular ring 11, two guiding gutters 12,13 different in size are then arranged in the outside, at the appropriate location of scrobicular ring 11 breach 111 being arranged is to be communicated with guiding gutter 12, and long guiding gutter 12 is to be communicated with two inlet holes 24 that can contain air feed piece 2 end faces simultaneously, in addition, short-range missile chute 13 offers a short slot 131, for the usefulness of losing heart.Operating principle according to aforementioned air bed modulating valve commonly used, see for details shown in Fig. 4～7, the operating principle of improved air bed modulating valve is seen Fig. 9～14, when throttle valve 1 is subjected to motor driven and rotates to long guiding gutter 12 when containing two inlet holes, 24 (see figure 9)s simultaneously with certain slowly speed, at this moment two suction tude, 22 inflations of air inlet simultaneously are when continuing to rotate to Figure 10 state.Wherein an inlet hole 24 continues air inlet, another inlet hole 24 then loses heart from short slot 131, when continuing to rotate to long guiding gutter 12 again and containing inlet hole 24 (seeing Figure 11) after losing heart again, it is saturated because another inlet hole 24 has continued air inlet, so can support the inlet hole 24 in this air inlet, to shorten inflationtime, promptly shortened the breathing time difference of the three-dimensional bar pipe of being separated by, thereby saved electric energy, improved the utilization ratio of electric energy, when modulating valve 1 continues to rotate to Figure 12 again, 13, during 14 state, then repeat aforesaid operating principle, just it supports the exchange difference of 24 of the inlet holes of being supported with quilt, promptly just as the action of oppositely supporting, therefore, can save electric energy and shortening and be separated by breathing time difference of three-dimensional bar pipe, improve massage effect.

From the above, the utility model is owing to can give in the three-dimensional bar pipe of inflating earlier Gas can be supported the three-dimensional bar pipe of being separated by, thus can have the saving electric energy, and shorten phase Every advantages such as swollen, contracting time difference of three-dimensional bar pipe and increase massage effects.

Claims (1)

1. an improved air bed throttle valve is constructed, on the mediad of the bottom surface of throttle valve, be a scrobicular ring is arranged, in the outside then is guiding gutter, the appropriate location of scrobicular ring guiding gutter laterally offers a breach, in the throttle valve bottom side is the air feed piece, it has an air supply pipe, two suction tude, and a corresponding respectively air vent and two inlet holes, be characterised in that: the outside, bottom surface of throttle valve has and has two guiding gutters different in size, and long guiding gutter is to be communicated with two inlet holes that can contain air feed piece end face simultaneously, and the breach that scrobicular ring is offered is to be communicated with long guiding gutter, in addition, offers a short slot for disappointing usefulness at the short-range missile chute.

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