CN110169896B

CN110169896B - Walking aid for pregnant woman

Info

Publication number: CN110169896B
Application number: CN201910627331.0A
Authority: CN
Inventors: 许笑蕊; 吴昕; 周俊英
Original assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Current assignee: Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2021-04-09
Anticipated expiration: 2039-07-12
Also published as: CN110169896A

Abstract

The invention relates to a walking aid device for pregnant women, which effectively solves the problems that the pregnant women lack protection in the walking exercise process, are not easy to protect when falling down and cannot have a rest in time when tired; the safety belt seat comprises an annular shell, wherein the front end of the annular shell is provided with two safety belt bases which are connected into the annular shell in an up-and-down sliding manner, and the rear end of the annular shell is oppositely provided with two safety belt clamping seats which are connected into the annular shell in an up-and-down sliding manner; the invention has simple structure and convenient use, can effectively play the roles of protecting and assisting the pregnant woman in the later period of pregnancy, and has strong practicability.

Description

Walking aid for pregnant woman

Technical Field

The invention relates to the technical field of auxiliary appliances for pregnant women, in particular to a walking aid device for pregnant women.

Background

Many pregnant women are in question after pregnancy, whether or not they can do exercise during pregnancy. Not only is afraid of the hurt of the baby in the belly caused by strenuous exercise, but also is afraid of the bad influence on the body caused by the lack of exercise of lying in bed in the day. The moving and the fixed do not need to be fixed at two extremes and are determined according to the self condition. The activities that the pregnant woman can do are walking, yoga, aerobic exercise, swimming, doing pregnant exercise and the like. Wherein, walking is the most suitable exercise for pregnant women, and is also the exercise commonly adopted by most pregnant women.

The walking exercise of the pregnant woman can be carried out in the whole pregnancy, and the pregnant woman can go downstairs and walk together with family after eating meals every night, so that the body can be exercised, and the mood can be relaxed; the emotion can be exchanged with family members in the walking process, and prenatal depression is avoided; can also carry out simple antenatal training by speaking with the baby when walking.

It is noted that it is also important for pregnant women to enter the late gestation period that exercise is also necessary. The pregnant woman at this time is mainly doing walking exercise. However, the pregnant women in this period have poor physical strength, are inconvenient to move, and are more easily injured by the outside. The existing facilities related to the pregnant woman do not have devices for assisting and protecting the pregnant woman to walk and rest. There is an urgent need for a device that protects the pregnant woman during walking exercise, and that supports the pregnant woman when the woman is about to fall down, and allows the pregnant woman to rest when the woman is tired.

Therefore, the invention provides a walking aid device for pregnant women to solve the problem.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the pregnant woman walking aid device which effectively solves the problems that the pregnant woman lacks protection in the walking exercise process, is not easy to protect when falling down and cannot have a rest in time when tired.

The safety belt seat comprises an annular shell, wherein the front end of the annular shell is provided with two safety belt seats which are connected into the annular shell in an up-and-down sliding manner, and the rear end of the annular shell is oppositely provided with two safety belt clamping seats which are connected into the annular shell in an up-and-down sliding manner;

the annular shell left and right sides all rotate and be connected with two electronic flexible landing legs, every electronic flexible landing leg all be connected with the landing leg switch electricity of fixed connection on the annular shell, every the equal fixedly connected with fixed platform of electronic flexible landing leg lower extreme, every fixed platform lower extreme all rotates and is connected with the universal wheel, every the fixed platform lower extreme all be provided with the braking device, two are located the front end the braking device all links to each other through the safety belt base of rope and distal end, two are located the rear end the braking device all links to each other through the safety belt cassette of rope and distal end.

Preferably, the braking device comprises four clamping columns which are vertically and slidably connected to the fixed platform, one side of each clamping column is provided with a lower clamping groove and an upper clamping groove, one side of each clamping column is provided with a clamping block which is horizontally and slidably connected to the fixed platform, the clamping block can be matched with the upper clamping groove and the lower clamping groove of the corresponding clamping column, each clamping block is connected with the fixed platform through a spring, and each clamping block is connected with the corresponding safety belt base or safety belt clamping seat through a rope;

every the card post all link to each other through spring and fixed platform, link to each other through the tie-beam between the four card posts on every fixed platform.

Preferably, one end of the fixture block is an inclined plane, the lower clamping groove comprises an inclined plane part and a plane part, the upper clamping groove only comprises an inclined plane part, the inclined plane part can be attached to the inclined plane of the fixture block, and the plane part can be attached to the upper end face of the fixture block.

Preferably, the safety belt base comprises a hollow base shell which is connected in the annular shell in an up-and-down sliding manner, an opening is formed in the upper end face of the base shell, a safety belt roller is connected in the base shell in a rotating manner, a safety belt is wound on the safety belt roller, the other end of the safety belt penetrates through the opening to be connected with a corresponding safety belt clamping seat, and the safety belt base is connected with the annular shell through a spring;

the safety belt clamping seats comprise clamping seat shells, the upper end surfaces of the clamping seat shells are fixedly connected with buckles, and the clamping seat shells are connected with the annular shells through springs;

the safety belt seat is characterized in that the lower end of the safety belt seat base and the lower end of the clamping seat shell are fixedly connected with fixing shafts, and ropes with the other ends connected with corresponding clamping blocks are fixedly connected onto the fixing shafts.

Preferably, two safety belt base up end all front and back sliding connection have the safety belt cardboard, two the safety belt cardboard all link to each other through the spring with corresponding safety belt base, and when the spring was at initial length, the distance between safety belt cardboard and the safety belt base rear end face equaled the thickness of safety belt.

Preferably, the annular shell in the front and back sliding connection have two diaphragms and two arcs, two the diaphragm and two the arcs with form a confined annular jointly, two the diaphragm with two the arcs all link to each other through spring and annular shell, two the diaphragm with two the arc material be soft material.

Preferably, annular shell rear end rotate and be connected with back electric telescopic handle, back electric telescopic handle upper end fixedly connected with bracing piece, the bracing piece left and right sides all rotate and be connected with the backing roll, back electric telescopic handle and the support switch electricity of fixed connection on annular shell connect.

Preferably, the front end of the annular shell is rotatably connected with two front electric telescopic rods, a supporting belt with two ends respectively fixedly connected to the two front electric telescopic rods is arranged between the two front electric telescopic rods, and the two front electric telescopic rods are electrically connected with a supporting rod switch fixedly connected to the annular shell.

Preferably, the annular shell is provided with four sliding grooves, each electric telescopic supporting leg is rotatably connected with a sliding rod which is connected with one end of the electric telescopic supporting leg in an up-down sliding mode and is connected with a corresponding sliding groove, and each sliding groove is internally provided with a cover plate in a left-right sliding mode.

Preferably, the rear end inside the annular shell is rotatably connected with a back plate, and the lower end of the back plate is rotatably connected with a seat plate.

The invention makes improvement aiming at the problems that the pregnant woman is lack of protection in the walking exercise process, is not easy to protect when falling down and cannot have a rest in time when being tired, and the annular shell comprises the universal wheel which can automatically brake and stop so as to ensure that the pregnant woman can brake and stop the universal wheel when falling down to one side, so that the device is fixed on the ground to provide enough support for the pregnant woman; the comfort of the pregnant woman during walking is ensured through the safety belt, the supporting rod and the supporting belt; the pregnant woman sitting plate has the advantages that the sitting plate is additionally arranged, so that the pregnant woman can sit down to have a rest when the pregnant woman is tired in walking, the pregnant woman sitting plate is simple in structure and convenient to use, can effectively play a role in sufficiently protecting and assisting in walking for the pregnant woman in the later stage of pregnancy, and is high in practicability.

Drawings

FIG. 1 is a schematic front view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a partial perspective view of the universal wheel and its associated brake device of the present invention.

Fig. 4 is a schematic cross-sectional view of the caster and its associated brake device of the present invention.

Fig. 5 is a partial perspective view of the annular housing and its associated structure of the present invention.

Fig. 6 is a partial cross-sectional view of the related structure of the annular housing and seat belt base of the present invention.

Fig. 7 is a partial sectional view of the related structure of the outer shell and the seat plate of the invention.

Fig. 8 is a perspective view of the seat belt base of the present invention.

Fig. 9 is a schematic cross-sectional view of the seat belt base of the present invention.

Fig. 10 is a perspective view of the seat belt cartridge of the present invention.

Detailed Description

The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 10. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment of the invention relates to a walking aid for pregnant women, which is characterized by comprising an annular shell 1, wherein the annular shell 1 is used for providing a fixed foundation for a subsequent structure, a user needs to sleeve the annular shell 1 outside the body when using the walking aid, the annular shell is arranged in an annular manner so as to completely surround and protect the body of the user, the external accidental collision from all directions can be effectively prevented, a certain moving space in the annular shell 1 is reserved for the user, two safety belt bases 2 which are connected in the annular shell 1 in an up-and-down sliding manner are arranged at the front end of the annular shell 1, two safety belt clamping seats 3 which are connected in the annular shell 1 in an up-and-down sliding manner are oppositely arranged at the rear end of the annular shell 1, specifically, a safety belt is wound in the safety belt base 2, the safety belt clamping seats 3 are arranged right behind the two safety belt bases 2 and are drawn out from the, is clamped in the corresponding safety belt clamping seat 3 through the shoulder of the user;

the left side and the right side of the annular shell 1 are rotatably connected with two electric telescopic supporting legs 4, each electric telescopic supporting leg 4 is electrically connected with a supporting leg switch 5 fixedly connected on the annular shell 1, specifically, a storage battery is fixedly connected in the annular shell 1, the electric telescopic supporting legs 4 are electrically connected with the supporting leg switch 5, the supporting leg switch 5 is electrically connected with the storage battery, so that the supporting leg switch 5 controls the extension and retraction of the four electric telescopic supporting legs 4, the lower end of each electric telescopic supporting leg 4 is fixedly connected with a fixed platform 6, the lower end of each fixed platform 6 is rotatably connected with a universal wheel 7, the lower end of each fixed platform 6 is provided with a brake device, the brake device can brake and stop the universal wheel 7, so that the device and the ground position are relatively fixed, and when a user falls down to one side, the device synchronously moves towards the same side to cause that the device can not provide support for a user, two braking devices positioned at the front end are connected with a far-end safety belt base 2 through a rope, two braking devices positioned at the rear end are connected with a far-end safety belt clamping seat 3 through a rope, in the embodiment, when the device is used specifically, four electric telescopic supporting legs 4 of the device are folded and attached to the bottom surface of an annular shell 1, the device is placed on the ground, the user walks into the annular shell 1, the electric telescopic supporting legs 4 extend out and swing to proper positions through supporting leg switches 5, the lengths of the electric telescopic supporting legs 4 are fixed through the supporting leg switches 5, so that the annular shell 1 is adjusted to the proper positions required by the user, and then the user can pull out the safety belts in the two safety belt bases 2 and clamp into the corresponding safety belt clamping seats 3 after pulling out the safety belts in the proper positions, its length adjustment should keep with the contact of user shoulder but can not cause the length of burden to user shoulder, when the user tumbles to one side, the user can be to the safety belt of pulling offside, and the operation of stopping device is stopped to offside safety belt pulling drive two electronic flexible landing legs 4 below of one side that the user tumbled, and it dies to stop universal wheel 7 to fix annular shell 1 on ground, so that play the effect of protection support to the user in the annular shell 1.

In the second embodiment, on the basis of the first embodiment, the present embodiment provides a specific structure of a braking device, because the brake of the universal wheel 7 is that the universal wheel 7 is braked, the electric telescopic leg 4 is still in contact with the ground through the universal wheel 7, the contact area is small, and the braking effect is not good, so the present embodiment provides a specific braking structure, so that the device is better in contact with the ground, specifically, the braking device includes four clamping columns 8 which are vertically and slidably connected to the fixed platform 6, the lower end of each clamping column 8 passes through the corresponding fixed platform 6 and is placed below the fixed platform 6, when the braking device is in the initial position, the four clamping columns 8 are all placed above the fixed platform 6 and are not in contact with the ground, when the braking device needs to be stopped, the four clamping columns 8 are in contact with the ground, so that the device is stopped on the ground, one side of each clamping column 8 is provided with a lower clamping groove 9 and an upper clamping groove 10, a clamping block 11 which is connected to the fixed platform 6 in a left-right sliding manner is arranged on one side of each clamping column 8, the clamping block 11 can be matched with an upper clamping groove 10 and a lower clamping groove 9 of the corresponding clamping column 8, when the clamping block 11 is placed into the lower clamping groove 9, the corresponding clamping column 8 is positioned above the fixed platform 6, when the clamping block 11 is clamped into the upper clamping groove 10, the corresponding clamping column 8 is positioned below the fixed platform 6 and is in contact with the ground, so that the device is braked, each clamping block 11 is connected with the fixed platform 6 through a spring, each clamping block 11 is connected with the corresponding safety belt base 2 or safety belt clamping seat 3 through a rope, and it should be noted that referring to fig. 1 and 2, the four clamping blocks 11 on the fixed platform 6 are connected with the far-end safety belt base 2 or safety belt clamping seat 3 through ropes;

each clamping column 8 is connected with the fixed platform 6 through a spring, four clamping columns 8 on each fixed platform 6 are connected through a connecting beam 31, the arrangement of the spring enables the clamping columns 8 to be rapidly contacted with the ground when the clamping blocks 11 push out the corresponding clamping columns 8, when the device is used specifically, when a user topples to one side, a safety belt is pulled, the safety belt base 2 and the safety belt clamping seat 3 drive eight clamping blocks 11 on two opposite fixed platforms 6 to slide and be separated from corresponding lower clamping grooves 9, under the action of the spring, the eight clamping columns 8 are rapidly contacted with the ground, so that the universal wheel 7 of the device is firmly braked and stopped, the annular shell 1 is not moved any more, sufficient support and protection are provided for the user, the user is prevented from toppling over, and it is noted that after the clamping blocks 11 are separated from the lower clamping grooves 9, the user stabilizes the body shape under the action of the annular shell 1, under the effect of spring, each fixture block 11 gets into in the last draw-in groove 10 of corresponding card post 8 to die corresponding card post 8 card, make it become rigid connection with ground under the effect of key round pin, rather than only relying on the flexonics of spring, thereby better play the effect of stable support to the user, be convenient for the user to adjust the shape and have a rest.

In a third embodiment, based on the second embodiment, the present embodiment provides a specific shape of the latch 11, the upper latch 10 and the lower latch 9, specifically, referring to fig. 3 and 4, one end of the latch 11 is an inclined surface 12, the lower latch 9 includes an inclined surface portion 13 and a flat surface portion 14, the upper latch 10 includes only the inclined surface portion 13, the inclined surface portion 13 can be attached to the inclined surface 12 of the latch 11, the flat surface portion 14 can be attached to the upper end surface of the latch 11, it should be noted that the inclined surface 12 of the latch 11 is inclined downward from the upper right to the left, the inclined surface portions 13 of the upper latch 10 and the lower latch 9 are the inclined surfaces 12 engaged with the inclined surface 12 of the latch 11, so as to ensure that the latch 11 can limit the upward movement of the latch 8, and the flat surface portion 14 of the lower latch 9 can be attached to the upper end surface of the latch 11, so as to ensure that the latch 11 can be suspended without the latch 8 contacting with the ground under the action of the spring when the latch 11 is in the lower latch 9 in a normal condition, in this device walking in-process promptly, the card post 8 is unsettled fixed through corresponding fixture block 11, and corresponding spring is in compression state, and it should be noted that, in order to guarantee that this device can in time brake and stop, the spring be the great spring of coefficient of stiffness.

Fourth embodiment, on the basis of the second embodiment, the second embodiment provides a specific structure, so that the safety belt can be adjusted in length at will without triggering the braking device, and after the length adjustment is completed, when the user falls down laterally, the braking device can be timely triggered, specifically, referring to fig. 6 and 8, the safety belt base 2 includes a hollow base housing 15 which is slidably connected in the annular housing 1 up and down, specifically, the annular housing 1 is provided with a through base through hole which is through up and down, the side wall of the through hole is provided with a vertical base sliding groove 32, meanwhile, two sides of the base housing 15 are fixedly connected with base sliding blocks which are respectively vertically arranged in the corresponding base sliding grooves 32, so that the base housing 15 can slide up and down in the annular housing 1, the upper end surface of the base housing 15 is provided with an opening 16, the base housing 15 is rotatably connected with a safety belt roller 17, the safety belt roller 17 is wound with a safety belt, the other end of the safety belt penetrates through the opening 16 to be connected with the corresponding safety belt clamping seat 3, in order to ensure that the safety belt can return when not in use, a return coil spring is sleeved at a rotating shaft where the safety belt roller 17 is rotatably connected with the base shell 15, meanwhile, one end of the safety belt is fixedly connected with a clamping buckle 19 which can clamp the safety belt in the corresponding safety belt clamping seat 3, it should be noted that, in order to prevent the safety belt from completely retracting in the base shell 15 under the action of the return coil spring, the width of the opening 16 should be larger than the width of the safety belt and smaller than the width of the clamping buckle 19 of the safety belt, the safety belt base 2 is connected with the annular shell 1 through a spring, specifically, the upper ends of the two base sliding blocks are fixedly connected with springs with the other ends of the springs fixedly connected with the, so that the base housing 15 is at the bottom of the base through hole when the spring is at the initial length;

referring to fig. 10, the seat belt cartridges 3 each include a cartridge housing 18, a clip 19 is fixedly connected to an upper end surface of the cartridge housing 18, a body of the clip 19 can be clipped in a corresponding bayonet, the annular housing 1 is provided with a cartridge through hole corresponding to a corresponding base through hole in front and back, a cartridge chute 32 is formed in the cartridge through hole, both sides of the cartridge housing 18 are fixedly connected with a cartridge slider slidably disposed in the corresponding cartridge chute 32, so that the cartridge housing 18 can slide up and down in the annular housing 1, the cartridge housing 18 and the annular housing 1 are connected by a spring, specifically, an upper end of each cartridge slider is fixedly connected with a spring having another end fixedly connected to an upper end of the cartridge chute 32, so that the cartridge housing 18 is located at a bottom of the cartridge through hole when the spring is at an initial length;

the lower end of the safety belt base 2 and the lower end of the clamping seat shell 18 are both fixedly connected with a fixed shaft 20, the fixed shaft 20 is fixedly connected with a rope with the other end connected with the corresponding fixture block 11, and the other end of the rope fixedly connected with the fixed shaft 20 is connected with the fixture block 11 on the far-end fixed platform 6, the front and the back of the lower end of the annular shell 1 are respectively and rotatably connected with a guide wheel, a rope bypasses the guide wheels to be connected with corresponding clamping blocks 11, when the rope is used in the embodiment, when the user uses the safety belt buckle 19, the length of the safety belt buckle 19 is only required to be inserted into the corresponding safety belt buckle 19, then, when the user falls down to one side, the shoulder at the opposite side is lifted up along the same way, so that the corresponding block 11 is pulled by the stationary shaft 20 and its rope at the lower end of the corresponding seat belt base 2 and seat belt cartridge 3, so that the corresponding brake will be activated.

Fifth embodiment, on the basis of the fourth embodiment, in order to facilitate pulling the corresponding seat belt base 2 and the seat belt clamping seat 3 after the length of the seat belt is adjusted, the device provides a structure for fixing the seat belt, so as to facilitate triggering of the brake device, specifically, referring to fig. 9, the seat belt clamping plates 21 are slidably connected to the front and back of the upper end surfaces of the two seat belt bases 2, the two seat belt clamping plates 21 are connected to the corresponding seat belt base 2 through springs, when the springs are at the initial length, the distance between the seat belt clamping plates 21 and the rear end surfaces of the seat belt bases 2 is equal to the thickness of the seat belt, when the embodiment is used specifically, when the length of the seat belt needs to be adjusted, a user can push the seat belt clamping plates 21 to one side and pull the seat belt, when the length of the seat belt is determined, the user is free to use, at this time, the safety belt clamping plate 21 returns to the original position and bends the safety belt at the upper end face of the corresponding safety belt base 2, so that the effect of clamping the safety belt is achieved, it should be noted that transverse sliding grooves 32 are formed in two sides above the safety belt base 2, clamping plate sliding blocks which are arranged in the transverse sliding grooves 32 in a sliding mode are fixedly connected to two sides of the safety belt clamping plate 21, the clamping plate sliding blocks are connected with the corresponding sliding grooves 32 through springs, after the safety belt clamping plate 21 returns to the original position, if the safety belt is pulled again, the safety belt clamping plate 21 can be subjected to oblique upward force, the vertical component force is far larger than the transverse component force, under the action of the transverse sliding grooves 32, the friction force between the safety belt clamping plate 21 and the transverse sliding grooves 32 is larger than the transverse component force due to the vertical component force, and.

Sixth embodiment, on the basis of the first embodiment, to provide better protection for the user, and also to improve the comfort level of the user and increase the application range of the device, the present embodiment provides a specific structure, specifically, referring to fig. 2 and 5, the annular housing 1 is internally and longitudinally slidably connected with two transverse plates 22 and two arc plates 23, the two transverse plates 22 and the two arc plates 23 and together form a closed ring, the two transverse plates 22 and the two arc plates 23 are connected with the annular housing 1 through springs, the two transverse plates 22 and the two arc plates 23 are made of soft materials, the two transverse plates 22 and the two arc plates 23 are made of soft rubber, or the inner sides of the two transverse plates 22 and the two arc plates 23 are fixedly connected with sponge, so as to further improve the comfort level of the user, when the user enters the annular shell 1, the elastic ring can adapt to a user with a fat body under the action of the spring, and meanwhile, when the user falls down to one side, the spring, the transverse plate 22 or the arc-shaped plate 23 on the corresponding side and the sponge can correspondingly play roles of protection and buffering.

Seventh embodiment, on the basis of the first embodiment, since the user needs to bear the weight of the belly during walking, the back of the user is slightly tilted backwards in a reasonable walking posture suggested by the doctor, which causes a great burden on the waist of the user, and is prone to fatigue of the user, and thus this embodiment provides a specific structure to alleviate the fatigue, specifically, referring to fig. 7, the rear end of the annular housing 1 is rotatably connected with the rear electric telescopic rod 24, an auxiliary support block fixedly connected to the upper end surface of the annular housing 1 is disposed behind the rotational connection position of the rear electric telescopic rod 24 and the annular housing 1 to support the rear electric telescopic rod 24, and in an initial position, the rear electric telescopic rod 24 is laid flat, when using the device, the user turns up the rear electric telescopic rod 24 and leans against the auxiliary support block, and at this time, the tilt angle of the rear electric telescopic rod 24 is a proper angle for the back of the user to slightly tilt, the upper end of the rear electric telescopic rod 24 is fixedly connected with a supporting rod 25, the left side and the right side of the supporting rod 25 are rotatably connected with supporting rollers 26, a user can put the back on the supporting rollers 26 so as to provide auxiliary support for the user through the supporting rollers 26 and reduce the stress of the waist of the user, the supporting rollers 26 are externally sleeved with sponge sleeves to improve the comfort level, the rear electric telescopic rod 24 is electrically connected with a supporting switch 27 fixedly connected on the annular shell 1, specifically, the rear electric telescopic rod 24 is electrically connected with the supporting switch 27, the supporting switch 27 is electrically connected with a storage battery so as to realize the control of the rear electric telescopic rod 24, when the device is specifically used, the rear electric telescopic rod 24 is horizontally placed at the initial position, when the device is used, the user turns up the rear electric telescopic rod 24 and leans against the auxiliary supporting block, and then, the user controls the rear electric telescopic rod 24 to stretch and adjust the length of the rear electric telescopic rod, and then the back is placed against the support roller 26.

Eighth embodiment, on the basis of the first embodiment, in the walking process of the user, the heavy abdomen is often the main obstacle and burden of the user, so this embodiment provides a specific structure, so as to reduce the burden of the user on the abdomen in the walking process, specifically, the front end of the annular housing 1 is rotatably connected with two front electric telescopic rods 28, a supporting belt 29 is disposed between the two front electric telescopic rods 28, two ends of the supporting belt are respectively fixedly connected to the two front electric telescopic rods 28, the supporting belt supports the abdomen of the user, the supporting belt can be made of an elastic belt supported by a nylon material or other common flexible materials, the two front electric telescopic rods 28 are both electrically connected with a supporting rod switch 30 fixedly connected to the annular housing 1, specifically, the supporting rod switch 30 includes a supporting rod rotating switch and a supporting rod telescopic switch, the die-pin expansion switch with preceding electric telescopic handle 28 between the electricity connect, die-pin expansion switch still with hold battery electricity and connect to electric telescopic handle 28's flexible before the control, preceding electric telescopic handle 28 and annular housing 1 rotate pivot department of connecting and still be provided with the rotation motor of fixed connection on annular housing 1, the rotation motor with die-pin rotation switch electricity connect, die-pin rotation switch and hold battery electricity and connect, thereby electric telescopic handle 28's rotation before the control, this embodiment is when specifically using, the flexible and rotation of electric telescopic handle 28 before user's accessible die-pin rotation switch and the control of die-pin expansion switch, thereby make the die-strip 29 can hold user's belly, thereby alleviate user's walking burden.

Ninth embodiment, on the basis of the first embodiment, in order to ensure the supporting strength of each electric telescopic leg 4, in the first embodiment, an auxiliary supporting structure is provided to improve the supporting strength of the electric telescopic leg 4, specifically, referring to fig. 6, the annular housing 1 is provided with four sliding grooves 32, each electric telescopic leg 4 is rotatably connected with a sliding rod 33 having one end slidably connected in the corresponding sliding groove 32 up and down, each sliding groove 32 is internally and horizontally slidably connected with a cover plate 34, when the device is in specific use, the cover plate 34 is in an open state, the upper end of the sliding rod 33 is higher than the upper end of the sliding groove 32, when the device is in need of use, the electric telescopic leg 4 is swung down, the upper end of the sliding rod 33 enters the sliding groove 32, then the cover plate 34 is closed, the sliding rod 33 cannot move upwards under the action of the cover plate 34, the sliding rod 33, A stable triangular supporting structure is formed between the electric telescopic supporting legs 4 and the annular shell 1.

Tenth embodiment, on the basis of first embodiment, in order to make a user rest in time when the user is tired when walking, the first embodiment provides a specific structure, specifically, the back plate 35 is rotatably connected to the rear end inside the annular housing 1, just the lower end of the back plate 35 is rotatably connected with the seat plate 36, referring to fig. 7, the seat plate 36 and the back plate 35 are fixedly connected with a rolling switch on a rotating shaft connected in a rotating manner, so that it is ensured that the back plate 35 can be attached to the seat plate 36 when the user walks, so that normal walking is not affected, it should be noted that an included angle between the seat plate 36 and the back plate 35 should not be greater than 90 degrees, so a rounded corner is only formed at one side facing the seat plate 36 at the rotating connection position of the lower end of the back plate 35 and the seat plate 36.

When the device is used specifically, in an initial state, the four electric telescopic supporting legs 4 of the device are retracted and attached to the bottom surface of the annular shell 1, the device is placed on the ground, a user walks into the annular shell 1 and swings the electric telescopic supporting legs 4 down, the upper ends of the sliding rods 33 synchronously enter the sliding grooves 32, then the cover plates 34 are covered, the sliding rods 33 cannot move upwards under the action of the cover plates 34, and a triangular stable supporting structure is formed among the sliding rods 33, the electric telescopic supporting legs 4 and the annular shell 1, so that the stability of the electric telescopic supporting legs 4 is ensured, and the lengths of the electric telescopic supporting legs 4 are fixed through the supporting leg switches 5, so that the annular shell 1 is adjusted to a proper position required by the user;

then, the user turns up the rear electric telescopic rod 24 and leans on the auxiliary supporting block, and controls the rear electric telescopic rod 24 to stretch and contract through the supporting switch 27 and adjust the length to a proper length so as to lean the back against the supporting roller 26;

then, the user can pull out the safety belts in the two safety belt bases 2, and the safety belts are pulled out to be clamped into the corresponding safety belt clamping seats 3 after being pulled out to a proper position, the length adjustment of the safety belt clamping seats is kept at a length which is in contact with the shoulders of the user but cannot cause burden to the shoulders of the user, specifically, the user can push the safety belt clamping plate 21 away to one side and pull the safety belts, after the length of the safety belts is determined, the user can release the hands, at the moment, under the action of the spring, the safety belt clamping plate 21 returns to the original position and bends the safety belts on the upper end faces of the corresponding safety belt bases 2, and therefore the effect of;

when a user falls down to one side, the user pulls the safety belt on the opposite side, the safety belt on the opposite side pulls the braking device below the two electric telescopic supporting legs 4 on the side where the user falls down to work, and the universal wheel 7 is braked, so that the annular shell 1 is fixed on the ground, and the user in the annular shell 1 can be protected and supported;

when the braking device is triggered, the user can slightly pull up the safety belt, and the accompanying person pulls up the clamping column 8 on the corresponding fixed platform 6 through the connecting beam 31, and then the corresponding clamping block 11 reenters the lower clamping groove 9 of the corresponding clamping column 8 to continue walking.

It should be noted that, on the premise of ensuring the strength of the device, the annular housing 1, the electric telescopic legs 4, the front electric telescopic legs and the rear electric telescopic rods 24 of the device all adopt light aluminum alloy structures, so that the weight of the device is reduced.

Claims

1. The walking aid for pregnant women is characterized by comprising an annular shell (1), wherein the front end of the annular shell (1) is provided with two safety belt bases (2) which are vertically and slidably connected into the annular shell (1), and the rear end of the annular shell (1) is oppositely provided with two safety belt clamping seats (3) which are vertically and slidably connected into the annular shell (1);

the safety brake device is characterized in that the left side and the right side of the annular shell (1) are rotatably connected with two electric telescopic supporting legs (4), each electric telescopic supporting leg (4) is electrically connected with a supporting leg switch (5) fixedly connected to the annular shell (1), the lower end of each electric telescopic supporting leg (4) is fixedly connected with a fixed platform (6), the lower end of each fixed platform (6) is rotatably connected with a universal wheel (7), the lower end of each fixed platform (6) is provided with a brake device, the two brake devices positioned at the front end are connected with a far-end safety belt base (2) through a rope, and the two brake devices positioned at the rear end are connected with a far-end safety belt clamping seat (3) through a rope;

the brake device comprises four upper clamping columns (8) which are vertically connected to a fixed platform (6) in a sliding manner, one side of each clamping column (8) is provided with a lower clamping groove (9) and an upper clamping groove (10), one side of each clamping column (8) is provided with a clamping block (11) which is horizontally connected to the fixed platform (6) in a sliding manner, the clamping block (11) can be matched with the upper clamping groove (10) and the lower clamping groove (9) of the corresponding clamping column (8), each clamping block (11) is connected with the fixed platform (6) through a spring, and each clamping block (11) is connected with the corresponding safety belt base (2) or safety belt clamping seat (3) through a rope;

each card post (8) all link to each other through spring and fixed platform (6), link to each other through tie-beam (31) between four card posts (8) on every fixed platform (6).

2. The walking aid for pregnant women according to claim 1, wherein one end of the clamping block (11) is an inclined surface (12), the lower clamping groove (9) comprises an inclined surface part (13) and a plane part (14), the upper clamping groove (10) only comprises the inclined surface part (13), the inclined surface part (13) can be attached to the inclined surface (12) of the clamping block (11), and the plane part (14) can be attached to the upper end surface of the clamping block (11).

3. The walking aid for pregnant women according to claim 1, characterized in that the safety belt base (2) comprises a hollow base housing (15) which is slidably connected with the inside of the annular housing (1) up and down, an opening (16) is arranged on the upper end surface of the base housing (15), a safety belt roller (17) is rotatably connected with the base housing (15), a safety belt is wound on the safety belt roller (17), the other end of the safety belt passes through the opening (16) and is connected with a corresponding safety belt clamping seat (3), and the safety belt base (2) is connected with the annular housing (1) through a spring;

the safety belt clamping seats (3) respectively comprise a clamping seat shell (18), the upper end faces of the clamping seat shells (18) are fixedly connected with buckles (19), and the clamping seat shells (18) are connected with the annular shell (1) through springs;

the safety belt seat is characterized in that a fixing shaft (20) is fixedly connected to the lower end of the safety belt seat (2) and the lower end of the clamping seat shell (18), and a rope with the other end connected with the corresponding clamping block (11) is fixedly connected to the fixing shaft (20).

4. The walking aid for pregnant women according to claim 3, characterized in that the upper end surfaces of the two seat belt bases (2) are respectively connected with a seat belt clamping plate (21) in a front-back sliding manner, the two seat belt clamping plates (21) are respectively connected with the corresponding seat belt bases (2) through springs, and when the springs are in an initial length, the distance between the seat belt clamping plates (21) and the rear end surfaces of the seat belt bases (2) is equal to the thickness of the seat belts.

5. The walking aid for pregnant women according to claim 1, wherein two transverse plates (22) and two arc plates (23) are slidably connected with the annular housing (1) back and forth, the two transverse plates (22) and the two arc plates (23) form a closed ring together, the two transverse plates (22) and the two arc plates (23) are connected with the annular housing (1) through springs, and the two transverse plates (22) and the two arc plates (23) are made of soft materials.

6. The walking aid for pregnant women according to claim 1, wherein the rear end of the annular shell (1) is rotatably connected with a rear electric telescopic rod (24), the upper end of the rear electric telescopic rod (24) is fixedly connected with a supporting rod (25), the left side and the right side of the supporting rod (25) are rotatably connected with supporting rollers (26), and the rear electric supporting rod (25) is electrically connected with a supporting switch (27) fixedly connected to the annular shell (1).

7. The walking aid for pregnant women according to claim 1, characterized in that two front electric telescopic rods (28) are rotatably connected to the front end of the annular housing (1), a supporting belt (29) is arranged between the two front electric telescopic rods (28), the two ends of the supporting belt are respectively fixedly connected to the two front electric telescopic rods (28), and the two front electric telescopic rods (28) are electrically connected to a supporting rod switch (30) fixedly connected to the annular housing (1).

8. The walking aid for pregnant women according to claim 1, wherein four sliding grooves (32) are formed in the annular shell (1), each electric telescopic leg (4) is rotatably connected with a sliding rod (33) with one end connected into the corresponding sliding groove (32) in a vertical sliding manner, and a cover plate (34) is connected into each sliding groove (32) in a horizontal sliding manner.

9. The walking aid for pregnant women according to claim 1, characterized in that the rear end inside the annular shell (1) is rotatably connected with a back plate (35), and the lower end of the back plate (35) is rotatably connected with a seat plate (36).