KR102593870B1 - Air circulation supply device for air mattress - Google Patents

Abstract

The present invention relates to an air circulation supply device for an air mattress, which is provided with a noise prevention end in the housing to minimize noise caused by air transmitted to the air mattress, and can be conveniently mounted on an external holder on the outside of the housing.

Description

{Air circulation supply device for air mattress}

The present invention relates to an air circulation supply device for an air mattress, and more specifically, to a compression pump that pressurizes and supplies air to an air mattress, and a distributor that distributes the air supplied from the compression pump to each air tube of the air mattress. The present invention relates to an air circulation supply device for an air mattress that is provided with a noise prevention end at the tube connection port connected to the air tube to reduce noise generated, thereby reducing noise spreading to the outside and enabling patients to comfortably use it while lying down for a long time.

In general, air mattresses supply air sequentially and alternately to multiple interpolated air tubes to prevent bedsores that occur in patients who are paralyzed from the waist down or the entire body or who lie in bed for a long period of time, thereby minimizing the area in contact with the patient's skin. It plays a role in helping smooth blood circulation and metabolism.

In addition, the air circulation supply device that supplies air to the air mattress inevitably uses an air supply pump and an air distribution device, and at this time, unexpected noise is generated, causing problems that disturb the sleep or rest of surrounding patients or guardians. This is the current situation, and various technologies are being proposed to improve this.

As a related prior art, an air circulation device for an air mattress that prevents vibration and noise was disclosed in Korea Registered Utility Model No. 20-0488045 (November 30, 2018).

As shown in FIG. 1, the above-described prior art includes a housing 1 with a circuit board installed therein, a cover 2 covering the housing 1, and an air device provided in the housing 1 and generating air. A supply pump (3) is provided in the housing (1) to be located on one side of the air supply pump (3), is connected to the air supply pump (3) and a connecting hose (4), and injects air into the air mattress. An air circulation device for an air mattress having a circulation motor (5) that discharges and circulates the injected air again,

The air supply pump (3) maintains a state of floating in the air relative to the housing (1) to block vibration generated when the air supply pump (3) is operated from being transmitted to the housing (1), thereby reducing vibration and gear noise. To prevent this,

The air supply pump (3) includes a first support plate (13) that is attached and fixed to the lower end of the air supply pump (3) by a sealing part (11) and has a first support hole (12) formed at the edge; A second support plate 15 is located on the lower side of the first support plate 13 to correspond to the first support plate 13 and has a second support hole 14 at the edge corresponding to the first support hole 12. )class; The first support plate 13 and the second support plate 15 are connected to be spaced apart from each other, and the lower end is seated on the housing 1, and the second support plate 13 is inserted into the first support hole 12 of the first support plate 13. 1 support groove portion 101; a first elastic support portion 102 extending toward the upper side of the first support groove portion 101; a second support groove 103 fitted into the second support hole 14 of the second support plate 15; a second elastic support portion 104 extending toward the lower side of the second support groove portion 103; a first buffer support portion (105) extending toward the lower side of the first support groove portion (101) and having a tapered shape that becomes narrower toward the second support groove portion (103); a second buffer support portion (106) extending toward the upper side of the second support groove portion (103) and having a tapered shape that becomes narrower toward the first support groove portion (101); The housing (1) is provided with a first vibration and noise prevention device (10) having a first buffer vertical connection portion (107) connecting the first buffer support portion (105) and the second buffer support portion (106). It is characterized by

However, the above-described prior art can partially reduce the noise generated by the air supply pump (3) from being transmitted to the lower part of the housing (1), but is transmitted to the connecting hose (4) connected to the air mattress and propagated to the outside. Noise was a problem that could not be prevented.

In addition, the above-described prior art had a problem in that it did not provide a means to reduce noise transmitted when the housing was mounted so as to reduce noise according to the installation method of the air circulation supply device connected to the air mattress and the connecting hose.

The present invention was created to solve the problems of the prior art as described above. The purpose of the present invention is to provide a compression pump that compresses and supplies air to an air mattress so that a patient can lie down for a long time and use it comfortably, and In order to reduce noise generated from the distributor that distributes air to the air tube connected to the air mattress, a noise prevention end is provided at the tube connection port of the housing coupled with the air tube, and a mounting means that can be mounted on the guide of the bed is provided. The aim is to provide an air circulation supply device for the equipped air mattress.

An air supply device for an air mattress according to the present invention to achieve the above object includes a compression pump that compresses and supplies air; a distributor connected to the compression pump through a pump hose and rotated to sequentially open and close an air supply passage that diverges the air supplied from the compression pump into two lines; a tube connector connected to the distributor and a pair of branch hoses to supply air supplied from the distributor to each line of the air mattress, and provided with a noise prevention end to reflect sound waves transmitted through the air; The compression pump and the distributor are seated and coupled inside, and a housing surrounds the outer circumference of the tube connector so that the outer portion of the tube connector is exposed to the outside.

The tube connector is tightly coupled to a distributor connection plate having a branch pipe connected to the branch hose on one side, and a side end of the distributor connection plate so that the other side of the distributor connection plate is recessed inside, and is connected to the air mattress. It is characterized by a pair of supply pipes connected to a supply hose and a connector housing formed on the outer surface.

The noise prevention end is located on the other side of the distributor connection plate so as to communicate with the air output end connected to the supply pipe inside the connector housing, the air input end divided from the air output end and a partition and connected to the supply pipe, and the branch pipe. An inner wall branch end is provided that extends to supply air to one side of the air input end,

The inner wall branch end extends in close contact with the central wall formed between the air input ends, and one side of the air output end and the air input end is provided with a noise attenuating surface curved to disperse reflected sound waves.

The air input end is provided with a plurality of inner wall coupling grooves recessed inward to guide when coupled with the inner wall branch end, and the inner wall branch end is provided with an input end insertion piece protruding outward to be inserted into the inner wall coupling groove. .

The housing includes a pair of mounting rods formed with hooks whose ends are bent in a 'U' shape so that they can be rotated to the outside and mounted on an external holder, and a mounting rod with one side recessed inside so that it can be accommodated when rotated in the inner direction of the mounting rods. It is characterized by being provided with a seating part.

Between the compression pump and the housing, a plurality of conical sound-insulating rods are coupled to the compression pump to block vibrations radiated from the compression pump from being reflected and resonated, and a sound-insulating plate is coupled and fixed to the lower end of the sound-insulating rods. It is characterized by

The end of the hanger is characterized in that it is provided with a close contact end curved inward to be mounted in close contact with one surface of the external holder.

The hanging part is characterized in that a porous sound-absorbing material is applied to the outer circumferential surface to minimize vibration transmitted to the outside.

As such, the air circulation supply device for an air mattress according to the present invention has the following effects.

First, by providing a noise prevention end at the tube connector connecting the air circulation supply device and the air mattress, it provides a use environment with reduced noise compared to the use of the air mattress used by patients with bedsores.

Second, the noise prevention end is provided with a partition wall and an inner wall branch dividing the air input end and the air output end inside the tube connector formed by combining the distributor connection plate and the connection housing, thereby preventing vibration and sound waves transmitted through the air. By extending the propagation distance, noise can be stably reduced.

Third, by applying a sound-absorbing material to the surface of the mounting rod that rotates to the outside of the housing, vibration transmitted through the housing can be reduced when mounted on an external mounting device,

Fourth, by providing a conical sound insulation rod and sound insulation plate to block vibration transmission between the compression pump and the housing, there is an effect of reducing noise and vibration directly transmitted from the compression pump.

1 is a diagram illustrating an air circulation device for an air mattress according to the prior art;
Figure 2 is a perspective view of the air circulation supply device for an air mattress according to the present invention;
Figure 3 is a diagram illustrating the sound insulation rod of the air circulation supply device according to the present invention.
Figure 4 is a diagram explaining the noise prevention stage according to the present invention,
Figure 5 is a view explaining the hanging rod of the housing according to the present invention,
Figure 6 is a diagram explaining the operation of the noise prevention stage according to the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the attached drawings.

As shown in Figures 2 to 6, the air circulation supply device for an air mattress according to the present invention includes a compression pump (10) that compresses and supplies air; a distributor (20) connected to the compression pump (10) through a pump hose and rotated to sequentially open and close an air supply passage that diverges the air supplied from the compression pump (10) into two lines; It is connected to the distributor 20 and a pair of branch hoses to supply air supplied from the distributor 20 to each line of the air mattress, and has a noise prevention stage 35 that reflects sound waves transmitted through the air. A tube connector (30) provided; The compression pump 10 and the distributor 20 are seated and coupled inside, and a housing 40 surrounds the outer circumference of the tube connector 30 so that the outer portion of the tube connector 30 is exposed to the outside. .

Here, the tube connector 30 is composed of a distributor connection plate 31 and a connector housing 32, and the distributor connection plate 31 has a branch pipe 31a connected to the branch hose on one side. do.

In addition, the connector housing 32 is tightly coupled to the distributor connection plate 31 and a side end of the distributor connection plate 31 so that the other side of the distributor connection plate 31 is recessed inside, and the air mattress is connected to the distributor connection plate 31. A pair of supply pipes 32a connected to a supply hose are formed on the outer surface.

Meanwhile, the noise prevention end 35 is divided into an air output end 35a communicating with the supply pipe 32a inside the connector housing 32, the air output end 35a, and a partition wall 35b, and the supply pipe An inner wall branch extending from the other side of the distributor connection plate 31 to communicate with the air input terminal 35c and the branch pipe 31a and supplying air to one side of the air input terminal 35c. A stage 35d is provided. Here, the air input end (35c) is provided in pairs corresponding to each other at the inner center of the connector housing 32, and the air output end (35a) is separated by a partition to extend to one side of the air input end (35c). .

At this time, the end of the inner wall branch end 35d extends close to the inner wall of the air input end 35c, and the air is reflected from the inner wall of the air input end 35c and supplied to the air output end 35a.

In addition, the inner wall branch end 35d extends in close contact with the central wall 35e formed between the air input ends 35c, so that air is supplied separately to each line.

Meanwhile, one side of the air output end (35a) and the air input end (35c) is provided with a noise attenuation surface (F) that is curved to disperse sound waves, so that the sound waves passing through the air output end (35a) and the air input end (35c) are provided. is dispersed on the noise attenuation surface (F), and noise is reduced through mutual destructive interference effects or energy dissipation.

In addition, the air input end 35c is provided with a plurality of inner wall coupling grooves 351 recessed inward to guide when coupled with the inner wall branch end 35d, and the inner wall branch end 35d is provided with the inner wall coupling groove ( By providing an input end insertion piece 352 that protrudes outward to be inserted into 351), the connection between the distributor connection plate 31 and the connector housing 32 becomes more solid, and the air passing through the distributor 20 is different from each other. It blocks entry into the supply line.

In addition, the housing 40 includes a pair of mounting rods 41 formed with a hook portion 41a whose ends are bent in a 'U' shape so as to be rotated to the outside and mounted on an external holder, and the holding rods 41 ) is provided with a mounting rod seating portion 42 with one side recessed inside so that it can be accommodated when rotated in the inner direction of the air mattress, so that the air circulation supply device can be easily mounted when using the air mattress, and when not in use, the mounting rod 41 Storage is facilitated by storing it in the holding rod seating portion 42.

Meanwhile, between the compression pump 10 and the housing 40, a plurality of conical sound insulation rods 45 are coupled to the compression pump 10 and block the vibration radiated from the compression pump 10 from being reflected and resonated. ) and a sound insulation plate 46 to which the lower end of the sound insulation rod 45 is coupled and fixed. Here, the sound insulation plate 46 is fixed to the housing 40 and coupled to the lower end of the sound insulation rod 45. The sound insulation rod 45 is preferably made of a rubber material or a porous material that disperses vibration or absorbs sound.

In addition, the end of the hanging portion 41a is provided with a close contact end 41b curved inward to be held in close contact with one surface of the external holder, so that it is supported more stably on the holder.

In addition, a sound-absorbing material 41a' made of a porous material is applied to the outer circumferential surface of the hanging portion 41a to minimize vibration transmitted to the outside, thereby partially blocking the vibration transmitted to the hanging portion 41a.

The operation of the air circulation supply device for an air mattress according to the present invention configured as described above is as follows.

As shown in FIGS. 2 to 6, the air circulation supply device for an air mattress according to the present invention compresses air in a compression pump 10 and supplies it to the distributor 20, and the distributor 20 distributes the air. It branches into two lines and rotates to supply to the air mattress.

That is, the distributor 20 is rotated to alternately open and close the air supply passage provided in two lines, and the air branched from the distributor 20 passes through the noise prevention end 35 of the tube connector 30 and reaches the air mattress. It is circulated and supplied to the two lines.

At this time, the noise prevention end 35 is formed by forming an air input end 35c and an air output end 35a, which serve as an air room where the air branched from the distributor 20 temporarily stays, with a partition wall 35b in between, Noise and vibration contained in the air branched from the distributor 20 are reduced.

In addition, an inner wall branch end (35d) extending from the distributor connection plate (31) supplies air to one side of the air input end (35c), and the inner wall branch end (35d) is formed between the air input ends (35c). By extending in close contact with the central wall 35e, the air separated into the two lines is prevented from affecting the other lines.

In addition, the curved noise attenuation surface (F) on one side of the air output end (35a) and the air input end (35c) serves to disperse or diffusely reflect and dissipate the energy of sound waves transmitted into the air.

Meanwhile, the input end insertion piece 352 of the inner wall branch end 35d is inserted and coupled to the inner wall coupling groove 351 of the air input end 35c, thereby causing self-isolation due to vibration transmitted to the noise prevention end 35. It prevents vibration and reduces self-generated noise.

In addition, the housing 40 of the present invention includes a pair of mounting rods 41 formed with a hook portion 41a bent in a 'U' shape, and a mounting rod seating portion where the rods 41 are rotated and accommodated. By providing (42), it can be easily mounted on an external holder, and the close contact end 41b provided at the end of the hanger 41a and the sound-absorbing material 41a' made of a porous material on the outer peripheral surface are in close contact with the external holder. By doing so, noise caused by vibration is prevented.

In this way, the air circulation supply device for an air mattress of the present invention reduces noise, thereby providing a more comfortable use environment for patients who use it for a long time.

The present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by anyone skilled in the art without departing from the gist of the invention as claimed in the claims. Of course, such changes are within the scope of the claims.

<Explanation of symbols for main parts of the drawing>
10: compression pump 20: distributor
30: Tube connector 31: Distributor connection plate
31a: branch pipe 32: connector housing
32a: Supply pipe 35: Noise prevention end
35a: Air output terminal 35b: Bulkhead
35c: air input end 35d: inner wall branch end
35e: Central wall 40: Housing
41: holding rod 41a: hanging part
41a': sound absorbing material 41b: close contact end
42: Mounting rod seating portion 45: Sound insulation rod
46: sound insulation plate 351: inner wall coupling groove
352: Input terminal insertion
F: Noise reduction surface

Claims (7)

A compression pump (10) that compresses and supplies air;
a distributor (20) connected to the compression pump (10) through a pump hose and rotated to sequentially open and close an air supply passage that diverges the air supplied from the compression pump (10) into two lines;
It is connected to the distributor 20 and a pair of branch hoses to supply air supplied from the distributor 20 to each line of the air mattress, and has a noise prevention stage 35 that reflects sound waves transmitted through the air. A tube connector (30) provided;
The compression pump 10 and the distributor 20 are seated and coupled inside, and a housing 40 surrounds the outer circumference of the tube connector 30 so that the outer portion of the tube connector 30 is exposed to the outside. Losing,
The tube connector (30) is
A distributor connection plate 31 having a branch pipe 31a connected to the branch hose on one side, and a side end of the distributor connection plate 31 so that the other side of the distributor connection plate 31 is recessed inside. A pair of supply pipes (32a) that are tightly coupled and connected to the air mattress and a supply hose are made of a connector housing (32) formed on the outer surface,
The noise prevention end 35 is divided into an air output end 35a communicating with the supply pipe 32a inside the connector housing 32, the air output end 35a, and a partition wall 35b, and the supply pipe 32a ) and an inner wall branch end ( 35d) is provided,
The inner wall branch end (35d) extends in close contact with the central wall (35e) formed between the air input ends (35c),
An air circulation supply device for an air mattress, characterized in that one side of the air output end (35a) and the air input end (35c) is provided with a noise attenuation surface (F) curved to disperse sound waves. delete According to paragraph 1,
At the air input terminal (35c),
A plurality of inner wall coupling grooves 351 are provided that are recessed inward to guide the inner wall branch end (35d) when coupled to the inner wall branch end (35d),
An air circulation supply device for an air mattress, characterized in that the inner wall branch end (35d) is provided with an input end insertion piece (352) that protrudes outward to be inserted into the inner wall coupling groove (351). According to paragraph 1,
In the housing 40,
A pair of holding rods 41 formed with a hook portion 41a whose ends are bent in a 'U' shape so that they can be rotated to the outside and mounted on an external holder, and are stored when rotated toward the inner surface of the holding rods 41. An air circulation supply device for an air mattress, characterized in that it is provided with a mounting rod seating portion (42) whose one side is recessed inside as much as possible. According to paragraph 1,
Between the compression pump 10 and the housing 40
A plurality of conical sound insulation rods 45 that are coupled to the compression pump 10 and block the vibration radiated from the compression pump 10 from being reflected and resonated, and the lower end of the sound insulation rod 45 are coupled and fixed. An air circulation supply device for an air mattress, characterized in that it is provided with a sound insulation plate (46). According to paragraph 4,
At the end of the hanging portion (41a)
An air circulation supply device for an air mattress, characterized in that it is provided with a close contact end (41b) curved inward to be mounted in close contact with one surface of an external holder. According to paragraph 4,
The hanging portion (41a) is
An air circulation supply device for an air mattress, characterized in that a porous sound-absorbing material (41a') is applied to the outer peripheral surface to minimize vibration transmitted to the outside.

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