CN113912016A

CN113912016A - Portable plateau oxygenerator

Info

Publication number: CN113912016A
Application number: CN202111223323.3A
Authority: CN
Inventors: 李可心; 李永国; 李士华
Original assignee: Hangzhou Boda Purifying Equipment Co ltd
Current assignee: Hangzhou Boda Purifying Equipment Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-01-11
Anticipated expiration: 2041-10-20
Also published as: CN113912016B

Abstract

The invention belongs to the technical field of oxygen generation equipment, and particularly relates to a portable plateau oxygen generator which comprises a main body, wherein a supporting structure and a plurality of idler wheels are installed on the lower end surface of the main body, a handrail is also installed on the main body, the supporting structure comprises two horizontal rods, a front hinge rod and a rear hinge rod are hinged to the horizontal rods, the free ends of the front hinge rod and the rear hinge rod are hinged to the main body, pedal rods are installed at the front ends of the two horizontal rods, a clamping mechanism is installed between the horizontal rods and the main body, and supporting rods are obliquely installed on the lower end surface of the main body at positions corresponding to the front hinge rod and the rear hinge rod. The purpose is as follows: through mutually supporting of horizontal pole and preceding hinge bar, back hinge bar, support operating condition's oxygenerator, the cooperation gyro wheel supports the oxygenerator of moving state, avoids making the screw thread damage that causes by inseparable parts such as screw thread guide pin bushing, screw rod, then the problem that the whole life-span of oxygenerator is low that leads to.

Description

Portable plateau oxygenerator

Technical Field

The invention belongs to the technical field of oxygen generation equipment, and particularly relates to a portable plateau oxygen generator.

Background

The plateau has the characteristics of low air pressure, hypoxia, large day and night temperature difference, dryness, strong radiation, strong ultraviolet rays and the like, and the resident plateau population can cause chronic altitude diseases due to excessive erythrocytosis, obvious pulmonary hypertension and severe hypoxemia caused by the failure or the loss of adaptation of habituation. The severe environment of the plateau seriously threatens the health of human beings, and oxygen inhalation is one of the most effective methods for preventing and treating altitude stress and altitude diseases, so that the plateau oxygen supply guarantee engineering is needed to be implemented to solve the problem of oxygen utilization in the plateau.

The PSA process oxygen generator is a new equipment for extracting oxygen from air based on pressure swing adsorption technology, and is characterized by that it utilizes molecular sieve physical adsorption and desorption technology to fill molecular sieve in the oxygen generator, and can adsorb nitrogen gas in the air when the pressure is applied, and the residual unabsorbed oxygen gas can be collected, and purified to obtain high-purity oxygen gas.

The Chinese utility model patent (publication number: CN207435023U) discloses a portable medical oxygen generator, which can make the medical oxygen generator body convenient to move and carry by arranging a push handle and a universal wheel, and can support the medical oxygen generator body by using a support disc through arranging the support disc, a placing cavity, a stepping motor, a screw guide sleeve, a screw, a movable block, a sliding chute and a bearing seat, and the medical oxygen generator body is fast in support speed and convenient to operate, so that the medical oxygen generator body can be fixed on the ground when in use and cannot be toppled over, and the support pressure of the universal wheel is relieved.

In the system oxygen process of oxygenerator, oxygenerator itself can produce the vibration, but, above-mentioned patent supports the oxygenerator through mutually supporting of screw rod guide pin bushing and screw rod in the course of the work of oxygenerator for the whole quality of oxygenerator concentrates on the screw thread of screw rod guide pin bushing and screw rod, thereby leads to the screw thread to damage very easily, and whole life is low.

Disclosure of Invention

The purpose of the invention is: aims to provide a portable plateau oxygen generator which is used for solving the problem of short service life caused by the structural defects of the existing oxygen generator.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a portable plateau oxygenerator, includes the main part, bearing structure and a plurality of gyro wheel are installed to the lower terminal surface of main part, still install the handrail in the main part, bearing structure includes two horizon bars, articulated on the horizon bar have preceding hinge bar and back hinge bar, the free end of preceding hinge bar and back hinge bar all is articulated with the main part, two the foot bar is installed to the horizon bar front end, install the card between horizon bar and the main part and establish the mechanism, the lower terminal surface of main part corresponds the position slope in preceding hinge bar and back hinge bar and installs the bracing piece.

Further inject, two fixed mounting has the connecting axle between preceding hinge bar or two back hinge bars, install driven gear on the connecting axle, the lower terminal surface of main part still installs the motor, install driving gear on the power output shaft of motor, the driving gear meshes with driven gear. Such structural design drives driven gear pivoted mode through the motor, drives the horizon bar and carries out the position transform, and it is more convenient to use.

Further defined, the drive gear is an incomplete gear. Such structural design, when oxygenerator removes or system oxygen state, driving gear and driven gear all do not mesh, only form the meshing at the in-process that the state changes, avoid removing or making the vibration that the in-process produced because of the oxygenerator for the meshing gear produces the collision each other, thereby causes driving gear and driven gear to damage, and then leads to the dead problem of driving gear and driven gear mutual card.

Further limiting, a coupler is installed on a power output shaft of the motor, a ratchet mechanism is installed on the coupler, and the driving gear is connected with the power output shaft of the motor through the ratchet mechanism. By the structural design, the motor is protected through the ratchet mechanism, and the problem that the motor is damaged due to sudden change of torque applied to the connecting shaft by the main body is avoided.

Further inject, ratchet mechanism includes outer ratchet and interior wheel, outer ratchet and shaft coupling fixed connection, interior wheel and driving gear fixed connection, interior wheel is seted up the mounting groove, it has the pawl to articulate in the mounting groove, the pawl is located in the ratchet of outer ratchet by the end card, be connected with compression spring between pawl and the mounting groove.

Further defined, the drive gear has a diameter dimension less than a diameter dimension of the driven gear. Due to the structural design, the torque transmitted to the connecting shaft by the motor is increased in a mode that the small gear drives the large gear, and the adaptability is strong.

Further inject, the card is established the mechanism and is included card wheel and cassette, card wheel fixed mounting is on the horizon bar, cassette fixed mounting is at the lower terminal surface of main part, the cassette is the form of falling the U by the bending of elastic steel sheet. The fixing mechanism is formed by the clamping wheel and the clamping seat, so that the horizontal rod can be fixed on the main body when the oxygen generator is in a moving state, the structure is simple, the manufacturing is convenient, and the manufacturing cost can be saved.

Further limited, a connecting rod is fixedly arranged between the two horizontal rods. Such structural design strengthens the steadiness of connecting between two horizon bars through the connecting rod, and the adaptability is stronger.

Further limit, the terminal surface is installed the blotter under the bracing piece. Such structural design through the blotter, cushions the striking between bracing piece and preceding hinge bar, the back hinge bar, and the life practicality of hinge bar, back hinge bar is stronger before the extension.

The invention adopting the technical scheme has the advantages that:

1. the horizontal rod is matched with the front hinge rod and the rear hinge rod to support the oxygen generator in a working state, and the roller is matched to support the oxygen generator in a moving state, so that the problem that the service life of the whole oxygen generator is low due to thread damage caused by tight parts such as a thread guide sleeve and a screw rod is solved;

2. the horizontal rod is driven to change the position in a mode that the motor drives the driven gear to rotate, so that the use is more convenient;

3. the driving gear is set to be an incomplete gear, when the oxygen generator moves or is in an oxygen generation state, the driving gear and the driven gear are not meshed, and meshing is only formed in the state conversion process, so that the problem that the driving gear and the driven gear are damaged and are clamped to each other due to collision between meshed gears caused by vibration generated in the moving or oxygen generation process of the oxygen generator is avoided;

4. the motor is protected through the ratchet mechanism, and the problem that the motor is damaged due to sudden change of the torque applied to the connecting shaft by the main body is avoided;

5. the fixing mechanism is formed by the clamping wheel and the clamping seat, so that the horizontal rod can be fixed on the main body when the oxygen generator is in a moving state, the structure is simple, the manufacturing is convenient, and the manufacturing cost can be saved.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural diagram of a portable plateau oxygen generator according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a supporting structure part in an embodiment of the portable plateau oxygen generator of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural diagram of a card seat part in an embodiment of the portable plateau oxygen generator of the present invention;

FIG. 5 is a schematic structural diagram of a working state in an embodiment of a portable plateau oxygen generator of the present invention;

FIG. 6 is a schematic structural diagram of a mobile state in an embodiment of the portable plateau oxygen generator of the present invention;

FIG. 7 is a schematic structural diagram of a motor part in an embodiment of the portable plateau oxygen generator of the present invention;

FIG. 8 is an enlarged view of the structure at B in FIG. 7;

the main element symbols are as follows:

a main body 1, a roller 10, a handrail 11,

A horizontal rod 2, a connecting shaft 20, a driven gear 201, a front hinge rod 21, a rear hinge rod 22, a pedal rod 23, a support rod 24, a motor 3, a driving gear 31, a ratchet mechanism 32,

The clamp wheel 4, the clamp seat 41 and the connecting rod 42.

Detailed Description

The invention is described in detail below with reference to the drawings and specific embodiments, wherein like or similar parts are designated by the same reference numerals in the drawings or the description, and implementations not shown or described in the drawings are in a form known to those skilled in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 8, the portable plateau oxygen generator of the present invention comprises a main body 1, a support structure and a plurality of rollers 10 are installed on the lower end surface of the main body 1, a handrail 11 is further installed on the main body 1, the support structure comprises two horizontal rods 2, a front hinge rod 21 and a rear hinge rod 22 are hinged on the horizontal rods 2, the free ends of the front hinge rod 21 and the rear hinge rod 22 are hinged with the main body 1, a pedal rod 23 is installed at the front end of the two horizontal rods 2, a clamping mechanism is installed between the horizontal rods 2 and the main body 1, and a support rod 24 is installed on the lower end surface of the main body 1 in an inclined manner at the position corresponding to the front hinge rod 21 and the rear hinge rod 22.

A connecting shaft 20 is fixedly installed between the two front hinge rods 21 or the two rear hinge rods 22, a driven gear 201 is installed on the connecting shaft 20, a motor 3 is also installed on the lower end face of the main body 1, a driving gear 31 is installed on a power output shaft of the motor 3, and the driving gear 31 is meshed with the driven gear 201. The mode of driving the driven gear 201 to rotate through the motor 3 drives the horizontal rod 2 to change the position, and the use is more convenient.

The drive gear 31 is an incomplete gear. When oxygenerator removed or system oxygen state, driving gear 31 and driven gear 201 all do not mesh, only form the meshing at the in-process that the state shifted, avoid removing or making the vibration that the in-process produced because of the oxygenerator for the meshing gear produces the collision each other, thereby causes driving gear 31 and driven gear 201 to damage, and then leads to driving gear 31 and driven gear 201 dead problem of card each other.

The power output shaft of the motor 3 is provided with a coupler 320, the coupler 320 is provided with a ratchet mechanism 32, and the driving gear 31 is connected with the power output shaft of the motor 3 through the ratchet mechanism 32. The motor 3 is protected by the ratchet mechanism 32, and the problem that the motor 3 is damaged due to sudden change of the torque applied to the connecting shaft 20 by the main body 1 is avoided.

The ratchet mechanism 32 comprises an outer ratchet 321 and an inner wheel 322, the outer ratchet 321 is fixedly connected with the coupling 320, the inner wheel 322 is fixedly connected with the driving gear 31, an installation groove 3221 is formed in the inner wheel 322, a pawl 3222 is hinged in the installation groove 3221, a free end of the pawl 3222 is clamped in a ratchet of the outer ratchet 321, and a compression spring 3223 is connected between the pawl 3222 and the installation groove 3221

The diameter size of the driving gear 31 is smaller than that of the driven gear 201. The torque transmitted to the connecting shaft 20 by the motor 3 is increased by the mode that the pinion drives the bull gear, and the adaptability is strong.

The clamping mechanism comprises a clamping wheel 4 and a clamping seat 41, the clamping wheel 4 is fixedly installed on the horizontal rod 2, the clamping seat 41 is fixedly installed on the lower end face of the main body 1, and the clamping seat 41 is bent by an elastic steel sheet to be in an inverted U shape. The clamping wheel 4 and the clamping seat 41 form a fixing mechanism, so that the horizontal rod 2 can be fixed on the main body 1 when the oxygen generator is in a moving state, the structure is simple, the manufacturing is convenient, and the manufacturing cost can be saved.

A connecting rod 42 is fixedly arranged between the two horizontal rods 2. The connecting stability between the two horizontal rods 2 is enhanced through the connecting rods 42, and the adaptability is strong.

The lower end surface of the support rod 24 is provided with a cushion pad. Through the blotter, cushion the striking between bracing piece 24 and preceding articulated pole 21, the back articulated pole 22, articulated pole 21, back articulated pole 22's before the extension life practicality is stronger.

In this embodiment, when the oxygen generator is in an operating state, as shown in fig. 5, the horizontal rods 2 are lower than the lower top points of the rollers 10 in the horizontal height, the front hinge rod 21 and the rear hinge rod 22 incline to the right from top to bottom, the lower end surface of the support rod 24 abuts against the side surfaces of the front hinge rod 21 and the rear hinge rod 22, at this time, the oxygen generator is supported by the two horizontal rods 2, and the driving gear 31 and the driven gear 201 are in a disengaged state;

after the work is finished, when the oxygen generator needs to be moved, the motor 3 is started, the power output shaft of the motor 3 drives the driving gear 31 which is an incomplete gear to rotate through the ratchet mechanism 32, so that the driving gear 31 is meshed with the driven gear 201, the power output shaft of the motor 3 continuously rotates, the driving gear 31 is meshed with the driven gear 201, the front hinge rod 21 or the rear hinge rod 22 is driven to rotate clockwise relative to the main body 1, the main body 1 is further driven to move rightwards and upwards relative to the horizontal rod 2 in a reverse direction, until the front hinge rod 21 and the rear hinge rod 22 are changed from being inclined from top to bottom and rightwards to being inclined from top to bottom and leftwards, at the moment, the horizontal rod 2 does not provide supporting force for the main body 1 any more, the main body 1 moves downwards relative to the ground under the action of gravity, the main body reversely acts on the front hinge rod 21 and the rear hinge rod 22, so that the front hinge rod 21 or the rear hinge rod 22 rotates at a rotation speed higher than that of the power output shaft of the motor 3, at the moment, the ratchet mechanism 32 acts to prevent the rotation of the connecting shaft 20 from being reversely transmitted to the motor 3 until the roller 10 contacts the ground, so as to re-support the oxygenerator;

the motor 3 continues to operate to drive the horizontal rod 2 to move leftwards and upwards relative to the main body 1 until the clamping wheel 4 is clamped into the clamping seat 41 to complete the fixation between the horizontal rod 2 and the main body 1, the motor 3 continues to operate until the driving gear 31 which is an incomplete gear is disengaged from the driven gear 201 (as shown in fig. 1 and 6), and at the moment, the oxygenerator is supported by the rollers 10 and can freely move;

after the oxygenerator removes to target in place, need the during operation, the staff stands at the oxygenerator front end, hold handrail 11, step on foot bar 23 with the foot, make calorie wheel 4 break away from cassette 41, and make horizontal rod 2 and ground contact, then pull main part 1 forward, make main part 1 for horizontal rod 2 the place ahead motion left, until the lower terminal surface top of bracing piece 24 leans on in the front side of articulated rod 21 and back articulated rod 22 (as shown in fig. 5), at this moment, can start the oxygenerator and make oxygen work.

The portable plateau oxygen generator provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A portable plateau oxygenerator is characterized in that: including main part (1), bearing structure and a plurality of gyro wheel (10) are installed to the lower terminal surface of main part (1), still install handrail (11) on main part (1), bearing structure includes two horizon bars (2), it has preceding hinge bar (21) and back hinge bar (22) to go up to articulate in horizon bar (2), the free end of preceding hinge bar (21) and back hinge bar (22) all articulates with main part (1), two foot bar (23) are installed to horizon bar (2) front end, install the card between horizon bar (2) and main part (1) and establish the mechanism, the lower terminal surface of main part (1) corresponds position slope in preceding hinge bar (21) and back hinge bar (22) and installs bracing piece (24).

2. The portable plateau oxygen generator of claim 1, wherein: two fixed mounting has connecting axle (20) between preceding articulated rod (21) or two back articulated rod (22), install driven gear (201) on connecting axle (20), motor (3) are still installed to the lower terminal surface of main part (1), install driving gear (31) on the power output shaft of motor (3), driving gear (31) and driven gear (201) meshing.

3. The portable plateau oxygen generator of claim 2, wherein: the driving gear (31) is an incomplete gear.

4. The portable plateau oxygen generator of claim 3, wherein: the power output shaft of the motor (3) is provided with a coupler (320), the coupler (320) is provided with a ratchet mechanism (32), and the driving gear (31) is connected with the power output shaft of the motor (3) through the ratchet mechanism (32).

5. The portable plateau oxygen generator of claim 4, wherein: the ratchet mechanism (32) comprises an outer ratchet wheel (321) and an inner wheel (322), the outer ratchet wheel (321) is fixedly connected with a coupling (320), the inner wheel (322) is fixedly connected with a driving gear (31), an installation groove (3221) is formed in the inner wheel (322), a pawl (3222) is hinged in the installation groove (3221), the free end of the pawl (3222) is clamped in a ratchet of the outer ratchet wheel (321), and a compression spring (3223) is connected between the pawl (3222) and the installation groove (3221).

6. The portable plateau oxygen generator of claim 2, wherein: the diameter size of the driving gear (31) is smaller than that of the driven gear (201).

7. The portable plateau oxygen generator of claim 1, wherein: the clamping mechanism comprises a clamping wheel (4) and a clamping seat (41), the clamping wheel (4) is fixedly installed on the horizontal rod (2), the clamping seat (41) is fixedly installed on the lower end face of the main body (1), and the clamping seat (41) is bent by an elastic steel sheet to be in an inverted U shape.

8. The portable plateau oxygen generator of claim 1, wherein: and a connecting rod (42) is fixedly arranged between the two horizontal rods (2).

9. The portable plateau oxygen generator of claim 1, wherein: the lower end surface of the support rod (24) is provided with a cushion pad.