CN219316245U - Electric adsorption armrest structure - Google Patents

Abstract

The utility model discloses an electric adsorption armrest structure, which is characterized by comprising the following components: a handle body; the absorption part is arranged on the handle main body and is provided with an air pumping cavity; the electric air extraction component is arranged on the handle main body, is communicated with the air extraction cavity; the pressure release valve is arranged on the handle main body, and the exhaust end of the pressure release valve is communicated with the air extraction cavity; the handle body is provided with an air inlet communicated with the air inlet end of the pressure relief valve. The electric adsorption handrail structure is characterized in that the adsorption piece is placed on the to-be-installed surface during installation, and the electric air extraction assembly is utilized to rapidly extract air in the air extraction cavity of the adsorption piece so as to enable the adsorption piece to be adsorbed and fixed on the to-be-installed surface, so that the effect of rapid installation is achieved, and the stability is higher; when the detachable pressure release valve is required to be detached, external gas enters the pumping cavity through the gas inlet, so that the adsorption piece can easily and quickly fall off from the to-be-mounted surface, and the use convenience is improved.

Description

Electric adsorption armrest structure

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to an electric adsorption handrail structure.

Background

In some situations (such as bathroom, etc.) where the ground is slippery and easy to fall, armrests are usually installed on the walls to provide force for people, especially for the old, disabled, pregnant women, etc. with inconvenient legs and feet, the firmness and stability of the armrests directly affect personal safety.

In order to facilitate the installation of handrails, handrails which are fixed on the wall surface by sucking discs are currently arranged on the market, air between the sucking discs and the wall surface is discharged during use, and the sucking discs are sucked on the wall surface by using atmospheric pressure.

However, the efficiency of manual air exhaust is low, and the vacuum degree between the sucking disc and the wall surface after air exhaust is insufficient, so that the load capacity of the handrail is affected. Moreover, when the armrest needs to be detached, the armrest often needs to be tilted along the edge of the sucker so that external air enters between the sucker and the wall surface, and the detachment of the armrest is very troublesome.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide an electric adsorption handrail structure capable of being quickly installed and removed.

An electric adsorbing handrail structure according to an embodiment of the present utility model includes: a handle body; the absorption part is arranged on the handle main body and is provided with an air pumping cavity; the electric air extraction component is arranged on the handle main body and is communicated with the air extraction cavity; the pressure release valve is arranged on the handle main body, and the exhaust end of the pressure release valve is communicated with the air extraction cavity; the handle body is provided with an air inlet communicated with the air inlet end of the pressure relief valve.

The electric adsorption handrail structure provided by the embodiment of the utility model has at least the following beneficial effects:

the electric adsorption handrail structure is characterized in that the adsorption piece is placed on the to-be-installed surface during installation, and the electric air extraction assembly is utilized to rapidly extract air in the air extraction cavity of the adsorption piece so as to enable the adsorption piece to be adsorbed and fixed on the to-be-installed surface, so that the effect of rapid installation is achieved, and the stability is higher; when the detachable pressure release valve is required to be detached, external gas enters the pumping cavity through the gas inlet, so that the adsorption piece can easily and quickly fall off from the to-be-mounted surface, and the use convenience is improved.

In some embodiments of the present utility model, the pressure relief valve includes a valve body and a valve core capable of moving up and down in the valve body, a communication channel capable of communicating the air inlet and the air extraction cavity is provided between the valve body and the valve core, an elastic member for driving the valve core to block the communication channel is provided in the valve body, and the valve core has a driving rod portion facing the air inlet.

In some embodiments of the present utility model, two of the adsorption members are provided, and the two adsorption members are detachably mounted at both ends of the handle body, respectively.

In some embodiments of the present utility model, both ends of the handle body are provided with mounting cavities with downward openings, the mounting cavities are internally provided with sleeve parts, the inside of the sleeve parts is provided with internal threaded holes, and the adsorbing piece is provided with threaded column parts matched with the internal threaded holes.

In some embodiments of the present utility model, the air suction cavity is disposed through the threaded column portion, a pressing platform abutting against an end surface of the threaded column portion is disposed inside the sleeve portion of the handle main body, an air discharge channel for communicating the air suction cavity with the electric air suction assembly is disposed on the pressing platform, and a first sealing member is disposed between the pressing platform and the end surface of the threaded column portion.

In some embodiments of the present utility model, the electric pumping assembly includes a pumping pump disposed in the handle body, a battery and a circuit board assembly connected to the pumping pump, and a pipe assembly connecting a pumping end of the pumping pump with the pumping chamber, wherein the pipe assembly is provided with a check valve.

In some embodiments of the present utility model, the handle body includes a lower half shell and an upper half shell detachably connected to the lower half shell, a receiving cavity for receiving the suction pump, the pipeline assembly and the check valve is enclosed between the lower half shell and the upper half shell, two ends of the lower half shell are respectively configured with one adsorption piece, two ends of the upper half shell are respectively provided with a first receiving cavity and a second receiving cavity opposite to the corresponding adsorption piece, the first receiving cavity is used for mounting the storage battery, the second receiving cavity is used for mounting the circuit board assembly, and a yielding through hole through which a power supply line passes is arranged between the second receiving cavity and the receiving cavity.

In some embodiments of the present utility model, the first accommodating cavity is isolated from the accommodating cavity, the first accommodating cavity is provided with an upward opening, the upper half shell is detachably provided with a cover plate for closing the opening of the first accommodating cavity, the inside of the first accommodating cavity is provided with a plurality of cylinder sleeves, the storage battery is a cylinder battery inserted in the cylinder sleeves, and the bottom of the cylinder sleeve and the cover plate are respectively provided with conductive sheets contacted with two ends of the cylinder battery.

In some embodiments of the present utility model, the pipe assembly includes a common pipe connected to the suction end of the suction pump, the check valve is disposed in the common pipe, the common pipe is connected to a multi-way joint, two ends of the handle body are respectively configured with one adsorption piece, and both the adsorption pieces are communicated with the multi-way joint through a separation pipe.

In some embodiments of the present utility model, the circuit board assembly is electrically connected to a first mechanical air pressure sensor and a second mechanical air pressure sensor connected to the multi-way joint, the first mechanical air pressure sensor is used for detecting whether the air pressure value in the pipeline assembly is higher than a preset maximum value, and the second mechanical air pressure sensor is used for detecting whether the air pressure value in the pipeline assembly is lower than a preset minimum value.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of an embodiment of an electrically powered suction handrail structure of the present utility model;

FIG. 2 is a schematic internal cross-sectional view of the embodiment of FIG. 1;

FIG. 3 is an exploded view of the embodiment of FIG. 1;

fig. 4 is an enlarged partial schematic view of the portion a of fig. 2.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, an electric suction armrest structure of the present utility model includes: a handle body 100; an adsorption member 200 provided on the handle body 100 and having an air suction chamber 210; the electric air extraction assembly 300 is arranged on the handle main body 100 and is communicated with the air extraction cavity 210; the pressure release valve 400 is arranged on the handle main body 100, and the exhaust end of the pressure release valve 400 is communicated with the pumping cavity 210; the handle body 100 is provided with an air inlet 124 communicating with an air inlet end of the relief valve 400.

The electric adsorption handrail structure is characterized in that the adsorption piece 200 is placed on the to-be-mounted surface during mounting, the electric air suction assembly 300 can be utilized to rapidly suck air in the air suction cavity 210 of the adsorption piece 200 so as to enable the adsorption piece 200 to be adsorbed and fixed on the to-be-mounted surface, the effect of rapid mounting is achieved, and the mounted electric adsorption handrail structure can be stably adsorbed on the to-be-mounted surface; when the suction member 200 needs to be detached, the pressure release valve 400 is triggered to enable external air to enter the air pumping cavity 210 through the air inlet 124, so that the suction member 200 can easily and quickly drop off from the mounting surface to be mounted, and the use convenience is improved.

Referring to fig. 2 and 4, in some embodiments of the present utility model, the relief valve 400 includes a valve body 410 and a valve body 420 capable of moving up and down in the valve body 410, a communication channel capable of communicating the air inlet 124 with the air exhaust chamber 210 is provided between the valve body 410 and the valve body 420, an elastic member 430 driving the valve body 420 to block the communication channel is provided in the valve body 410, and the valve body 420 has a driving rod portion 421 facing the air inlet 124. Specifically, the valve core 420 movably penetrates through the internal channel of the valve body 410, the upper portion of the internal channel of the valve body 410 is provided with a sealing blocking portion, and the elastic member 430 is located between the internal channel of the valve body 410 and the valve core 420 to drive the valve core 420 to abut against the sealing blocking portion upwards to block the communication channel. When the electric suction armrest structure needs to be disassembled, a user can insert a needle along the air inlet 124 to push the driving rod 421 to move downwards, when the valve core 420 moves downwards, the elastic member 430 is compressed, the valve core 420 leaves the sealing blocking portion and opens the communication channel to enable external air to enter the air pumping cavity 210, at this time, the air pressure between the suction member 200 and the mounting surface to be assembled is consistent with the atmospheric pressure, and when the needle is not used to push the driving rod 421 any more, the valve core 420 is reset under the action of the elastic member 430, so that the electric air pumping assembly 300 can work normally.

Of course, in other embodiments, the pressure relief valve 400 may be replaced by an electromagnetic pressure relief valve 400, so as to further improve the convenience of use.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the absorbent member 200 is provided in two, and the two absorbent members 200 are detachably mounted at both ends of the handle body 100, respectively. The absorption parts 200 are arranged at the two ends of the handle main body 100, so that the absorption stability is improved, the absorption parts 200 are detached from the handle main body 100, the absorption parts 200 are convenient to replace, the service life of the electric absorption handrail structure is prolonged, or the absorption parts 200 with different specifications and sizes are replaced to adapt to different load demands. For example, the contact area between the suction member 200 and the mounting surface to be mounted is increased to increase the maximum external force that the electric suction armrest structure can withstand.

Referring to fig. 2, in some embodiments of the present utility model, both ends of the handle body 100 are provided with a mounting cavity 111 opened downward, a sleeve portion 112 is provided in the mounting cavity 111, an internal threaded hole 113 is provided in the interior of the sleeve portion 112, and the suction member 200 is provided with a threaded post portion 220 mated with the internal threaded hole 113. The threaded post portion 220 cooperates with the internally threaded bore 113 of the sleeve portion 112 to facilitate the installation and removal of the absorbent member 200. Preferably, the shape of the mounting cavity 111 matches the shape of the contour of the absorbent member 200, which advantageously limits deformation of the absorbent member 200 relative to the mounting cavity 111 in directions other than the thickness direction of the absorbent member 200.

Referring to fig. 2, in some embodiments of the present utility model, the air extraction cavity 210 is disposed through the threaded post 220, the handle body 100 is provided with a pressing platform 114 that abuts against an end surface of the threaded post 220 inside the sleeve portion 112, the pressing platform 114 is provided with an air extraction channel 115 for communicating the air extraction cavity 210 with the electric air extraction assembly 300, and a first seal 500 is disposed between the pressing platform 114 and the end surface of the threaded post 220. By the above structure, the gas in the gas pumping cavity 210 can be ensured to be pumped out, and the external gas is prevented from entering the gas pumping cavity 210 from the gap between the lower flattening table 114 and the adsorbing member 200, so that the adsorption capacity of the adsorbing member 200 is ensured.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the electric pumping assembly 300 includes a pumping pump 310 provided in the handle body 100, a battery 320 and a circuit board assembly 330 connected to the pumping pump 310, and a pipe assembly 600 connecting a pumping end of the pumping pump 310 with the pumping chamber 210, and a check valve 700 is provided on the pipe assembly 600. It can be appreciated that when the user starts the electric pumping unit 300, the battery 320 supplies power to the circuit board assembly 330 and the pumping unit 310, the circuit board assembly 330 controls the pumping unit 310 to operate, and the gas in the pumping chamber 210 is discharged from the exhaust end of the pumping unit 310 after passing through the pipe assembly 600 and the check valve 700, so as to avoid reverse flow of the gas. The electric adsorption handrail structure of the utility model can be installed in different use scenes by adopting the storage battery 320 for power supply, and the problem of setting a socket connected with the mains supply is not required to be considered.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the handle body 100 includes a lower half shell 110 and an upper half shell 120 detachably connected to the lower half shell 110, a receiving cavity 130 for receiving the pump 310, the pipe assembly 600 and the check valve 700 is enclosed between the lower half shell 110 and the upper half shell 120, two ends of the lower half shell 110 are respectively configured with an absorbing member 200, two ends of the upper half shell 120 are respectively provided with a first receiving cavity 121 and a second receiving cavity 122 opposite to the corresponding absorbing member 200, the first receiving cavity 121 is used for mounting the battery 320, the second receiving cavity 122 is used for mounting the circuit board assembly 330, and a yielding through hole 125 for passing through a power supply line is provided between the second receiving cavity 122 and the receiving cavity 130. The handle body 100 of the above structure is easy to manufacture and assemble, and also facilitates the assembly of the motor-driven suction assembly 300 and the suction member 200. The first accommodating cavity 121 and the second accommodating cavity 122 are disposed opposite to the corresponding adsorbing member 200, which is favorable for providing a larger accommodating space with regular shape for the storage battery 320 and the circuit board assembly 330, and is favorable for accommodating the storage battery 320 with larger capacity to improve the cruising ability.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the first receiving chamber 121 is isolated from the receiving chamber 130, the first receiving chamber 121 has an upward opening, the upper half-case 120 is detachably mounted with a cover plate 140 for closing the opening of the first receiving chamber 121, the inside of the first receiving chamber 121 is provided with a plurality of cylinder jackets 123, the storage battery 320 is a cylindrical battery inserted into the cylinder jackets 123, and the bottom of the cylinder jackets 123 and the cover plate 140 are respectively provided with conductive sheets contacting both ends of the cylindrical battery. It will be appreciated that the interior volume of the cylindrical sleeve 123 mates with the cylindrical battery, and that the cylindrical sleeve 123 serves to limit movement of the cylindrical battery. In this embodiment, a plurality of cylindrical batteries form the storage battery 320, the cover plate 140 is connected to the opening of the first accommodating cavity 121 through a threaded structure, the cylindrical batteries can be directly replaced by screwing out the cover plate 140, and after screwing the cover plate 140, the conductive sheet can conduct the cylindrical batteries.

Referring to fig. 3, in some embodiments of the present utility model, the pipe assembly 600 includes a common pipe 610 connected to the pumping end of the pumping pump 310, a check valve 700 is provided to the common pipe 610, the common pipe 610 is connected to a multi-way joint 620, two ends of the handle body 100 are respectively provided with one suction member 200, and both suction members 200 are connected to the multi-way joint 620 through a branch pipe 630. Only one suction pump 310 is needed to simultaneously discharge the air in the suction chambers 210 of the two suction members 200. The use of the multi-way fitting 620 helps to shorten the overall length of the tubing assembly 600 and simplifies the construction of the tubing assembly 600.

Referring to fig. 3, in some embodiments of the present utility model, the circuit board assembly 330 is electrically connected to a first mechanical air pressure sensor 710 and a second mechanical air pressure sensor 720 connected to the multi-way connector 620, wherein the first mechanical air pressure sensor 710 is used for detecting whether the air pressure value in the pipeline assembly 600 is higher than a preset maximum value, and the second mechanical air pressure sensor 720 is used for detecting whether the air pressure value in the pipeline assembly 600 is lower than a preset minimum value. It should be noted that, when the air pressure value detected by the second mechanical air pressure sensor 720 is lower than the preset minimum value, the circuit board assembly 330 controls the air pump 310 to stop, and when the air pressure value detected by the first mechanical air pressure sensor 710 is higher than the preset maximum value due to the penetration of the external air into the air pumping cavity 210, the circuit board assembly 330 controls the air pump 310 to start so that the air pressure value of the air pumping cavity 210 is lower than the preset minimum value again, and the above steps are repeated so that the electric adsorption handrail structure of the utility model can be stably adsorbed on the to-be-mounted surface, and the safety accident caused by the decrease of the adsorption force is avoided. The first mechanical air pressure sensor 710 and the second mechanical air pressure sensor 720 are adopted at low cost, and a circuit structure with complex operation is not required.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. An electric adsorbing handrail structure, comprising:

a handle body (100);

an adsorption member (200) provided on the handle body (100) and having a suction chamber (210);

an electric air extraction assembly (300) arranged on the handle main body (100) and communicated with the air extraction cavity (210);

the pressure release valve (400) is arranged on the handle main body (100), and the exhaust end of the pressure release valve (400) is communicated with the air suction cavity (210);

an air inlet (124) communicated with the air inlet end of the pressure relief valve (400) is arranged on the handle main body (100);

the pressure relief valve (400) comprises a valve body (410) and a valve core (420) capable of moving up and down in the valve body (410), a communication channel capable of communicating the air inlet (124) with the air exhaust cavity (210) is arranged between the valve body (410) and the valve core (420), an elastic piece (430) for driving the valve core (420) to block the communication channel is arranged in the valve body (410), and the valve core (420) is provided with a driving rod part (421) facing the air inlet (124).

2. An electric suction armrest structure according to claim 1, wherein:

the two adsorption pieces (200) are arranged, and the two adsorption pieces (200) are respectively detachably arranged at two ends of the handle main body (100).

3. An electric suction armrest structure as set forth in claim 2, wherein:

both ends of handle main part (100) all are equipped with opening decurrent installation cavity (111), be equipped with sleeve portion (112) in installation cavity (111), the inside of sleeve portion (112) is equipped with internal thread hole (113), adsorb piece (200) be equipped with internal thread hole (113) matched with screw thread post portion (220).

4. An electric suction handrail construction as claimed in claim 3, wherein:

the air extraction cavity (210) is arranged in the threaded column portion (220) in a penetrating mode, a pressing-down platform (114) which is in butt joint with the end face of the threaded column portion (220) is arranged in the sleeve portion (112) of the handle main body (100), an air exhaust channel (115) used for communicating the air extraction cavity (210) with the electric air extraction assembly (300) is arranged on the pressing-down platform (114), and a first sealing piece (500) is arranged between the pressing-down platform (114) and the end face of the threaded column portion (220).

5. An electric suction armrest structure according to claim 1, wherein:

the electric air extraction assembly (300) comprises an air extraction pump (310) arranged in the handle main body (100), a storage battery (320) and a circuit board assembly (330) which are connected with the air extraction pump (310), and a pipeline assembly (600) which is used for communicating the air extraction end of the air extraction pump (310) with the air extraction cavity (210), wherein a one-way valve (700) is arranged on the pipeline assembly (600).

6. An electric powered sucking handrail construction as claimed in claim 5, wherein:

the handle body (100) comprises a lower half shell (110) and an upper half shell (120) which is detachably connected with the lower half shell (110), wherein an accommodating cavity (130) for accommodating the air pump (310), the pipeline assembly (600) and the one-way valve (700) is enclosed between the lower half shell (110) and the upper half shell (120), two ends of the lower half shell (110) are respectively provided with an adsorption piece (200), two ends of the upper half shell (120) are respectively provided with a first accommodating cavity (121) and a second accommodating cavity (122) which are opposite to the corresponding adsorption piece (200), the first accommodating cavity (121) is used for installing the storage battery (320), the second accommodating cavity (122) is used for installing the circuit board assembly (330), and a yielding through hole (125) for allowing a power supply line to pass through is formed between the second accommodating cavity (122) and the accommodating cavity (130).

7. The motorized adsorptive armrest structure of claim 6, wherein:

the first holding chamber (121) with holding chamber (130) keep apart, first holding chamber (121) have ascending uncovered, upper half casing (120) demountable installation has and is used for the closure uncovered apron (140) of first holding chamber (121), the inside of first holding chamber (121) is equipped with a plurality of drum cover (123), battery (320) for cartridge in the cylinder battery in drum cover (123), the bottom of drum cover (123) with apron (140) are equipped with respectively with the conducting strip that contacts at the both ends of cylinder battery.

8. An electric powered sucking handrail construction as claimed in claim 5, wherein:

the pipeline assembly (600) comprises a common pipeline (610) connected with an air extraction end of the air extraction pump (310), the one-way valve (700) is arranged on the common pipeline (610), the common pipeline (610) is connected with a multi-way joint (620), two ends of the handle main body (100) are respectively provided with one adsorption piece (200), and the two adsorption pieces (200) are communicated with the multi-way joint (620) through branch pipelines (630).

9. The motorized adsorptive handrail configuration of claim 8, wherein:

the circuit board assembly (330) is electrically connected with a first mechanical air pressure sensor (710) and a second mechanical air pressure sensor (720) which are connected with the multi-way joint (620), the first mechanical air pressure sensor (710) is used for detecting whether the air pressure value in the pipeline assembly (600) is higher than a preset maximum value, and the second mechanical air pressure sensor (720) is used for detecting whether the air pressure value in the pipeline assembly (600) is lower than a preset minimum value.

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