CN214049551U

CN214049551U - Delivery assisting device for pregnant woman

Info

Publication number: CN214049551U
Application number: CN202021904761.7U
Authority: CN
Inventors: 张珂; 吴文娅; 王秋红; 常元锋; 马超玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-03
Filing date: 2020-09-03
Publication date: 2021-08-27
Anticipated expiration: 2030-09-03

Abstract

The invention relates to a midwifery device for pregnant women, which comprises a device frame, wherein a bed body for the pregnant women to lie on is arranged on the device frame, the front end of the bed body is a bed head end, and a bed body driving mechanism which is in transmission connection with the bed body to drive the bed body to reciprocate back and forth is also arranged on the device frame. When the pregnant woman obstetric apparatus is used, a pregnant woman lies on the bed body, the bed body driving mechanism drives the bed body to move forwards, the bed body drives the pregnant woman and a fetus in the belly of the pregnant woman to move forwards, then the bed body moves backwards, the bed body drives the pregnant woman and the fetus in the belly of the pregnant woman to move backwards, and the fetus tends to be away from a mother body under the action of inertia, so that the delivery assistance is realized.

Description

Delivery assisting device for pregnant woman

Technical Field

The utility model relates to a pregnant woman's midwifery device for the pregnant woman's midwifery.

Background

As is well known, a pregnant woman needs to walk frequently in the predelivery period to help a baby to successfully birth, and the basic principle is as follows: during the antenatal walking process of the pregnant woman, the gravity center of the body is adjusted by up-and-down change, the falling of the front foot from the highest point is approximate free-falling body movement, the front foot falls to the ground, and the free-falling body movement is stopped. Along with the walking process, the fetus generates the maximum motion acceleration of one g in a normal state in the approximate free falling motion, then the motion of the mother body is static, and the fetus generates a tendency of rushing away from the mother body under the action of inertia according to the impulse law, so that the walking midwifery is realized.

However, in reality, the leg edema of the pregnant woman in the term of delivery is serious due to the increase of the weight of the pregnant woman, and in the condition, the problem of leg edema of the pregnant woman is further increased by walking, so that many pregnant women cannot realize the walking adherence in the term of delivery; in addition, the midwifery can not be realized by walking in the production waiting and production process of the delivery room.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pregnant woman's practise midwifery device to solve some pregnant women among the prior art and help the practise midwifery because of self health is unsuitable to walk, and walk and help the technical problem that the practise midwifery physical demands are big.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

a midwifery device for pregnant women comprises a device frame, a bed body which is used for the pregnant women to lie on and the front end of which is a bed head end is arranged on the device frame, and a bed body driving mechanism which is in transmission connection with the bed body to drive the bed body to reciprocate back and forth is also arranged on the device frame.

The device frame comprises a fixed support and a pitching support, the rear end of the pitching support is hinged and connected with the fixed support, the hinging axis of the pitching support is arranged along the left-right direction, the bed body is arranged on the pitching support, and an angle adjusting mechanism for adjusting the pitching angle of the pitching support is arranged between the fixed support and the pitching support.

The bed body is provided with a limit structure which is used for being matched with the pregnant woman stop to limit the pregnant woman to move towards the bed tail direction of the bed body.

The forward moving speed of the bed body is slower than the backward moving speed of the bed body.

The device frame is provided with a guide rail extending along the front-back direction, and the bed body is assembled on the device frame in a guiding and moving manner along the front-back direction.

The bed body driving mechanism is provided with a linear motion output end capable of outputting linear motion in the front-back direction, and the linear motion output end is connected with the bed body to drive the bed body to move forwards and backwards.

The bed body driving mechanism is an electric push rod or a driving cylinder, the pregnant woman delivery assisting device further comprises a control part in control connection with the bed body driving mechanism, and forward movement of the linear movement output end is slower than backward movement of the linear movement output end under the control of the control part.

The bed body driving mechanism comprises a crankshaft and a motor, wherein the axis of the crankshaft extends along the left and right directions, the motor drives the crankshaft to rotate, a connecting rod neck of the crankshaft provides a jacking force for the bed body to drive the bed body to move forwards, and the bed body moves backwards to reset by means of gravity or a spring.

The bed body is connected with the device frame through swing rods which are arranged in parallel in the front and back direction, one end of each swing rod is hinged with the device frame, and the other end of each swing rod is hinged with the bed body.

The bed body driving mechanism comprises a crankshaft and a motor, wherein the axis of the crankshaft extends along the left and right directions, the motor drives the crankshaft to rotate, a connecting rod neck of the crankshaft provides a jacking force for the bed body to drive the bed body to move forwards, the bed body moves backwards to reset by means of gravity or a spring, and the motor is in transmission connection with a main journal of the crankshaft through an overrunning clutch.

The utility model has the advantages that: the utility model discloses when using, the pregnant woman lies on the bed body, bed body actuating mechanism drive bed body moves forward, the bed body then takes the fetus in pregnant woman and the pregnant woman tripe to move forward, then the bed body moves backward, the bed body then takes the fetus in pregnant woman and the pregnant woman tripe to move backward, under inertial effect, the fetus has the trend of dashing away from the parent, thereby realize practising midwifery, this pregnant woman practise midwifery device does not need the pregnant woman to walk about, the physical demands of pregnant woman has been alleviateed, also be applicable to shank edema simultaneously and can't practise midwifery pregnant woman through walking, also more be fit for the pregnant woman in the delivery room treats practising midwifer.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a top view of the bed shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the bed driving mechanism in FIG. 1;

fig. 4 is a schematic structural view of embodiment 2 of the present invention;

fig. 5 is a schematic structural view of embodiment 3 of the present invention;

fig. 6 is a schematic structural diagram of the bed driving mechanism in fig. 5.

Detailed Description

An embodiment 1 of a midwifery device for pregnant women is shown in figures 1-3: the bed body 7 comprises a device frame and a bed body 7, wherein the bed body is used for a pregnant woman to lie on and the front end of the bed body is the head end of a bed, the device frame comprises a fixed support 1 and a pitching support 18, the rear end of the pitching support is hinged and connected with the fixed support, the hinging axis of the pitching support is arranged along the left-right direction, an angle adjusting mechanism for adjusting the pitching angle of the pitching support is arranged between the fixed support and the pitching support, in the embodiment, the angle adjusting mechanism comprises a hydraulic cylinder 2 arranged between the fixed support and the pitching support, and the pitching angle of the pitching support can be adjusted through the expansion and contraction of the hydraulic cylinder.

The bed body is provided with a limiting structure which is used for being matched with a pregnant woman stop to limit the pregnant woman to move towards the bed tail direction of the bed body, and in the embodiment, the limiting structure comprises an arc-shaped supporting plate 19 which is used for being matched with the thigh part 12 of the pregnant woman in a supporting mode. The bottom of the arc-shaped supporting plate 19 is fixedly connected with the bed body 7 through a supporting rod 20.

Every single move support includes lower part support 3 and upper portion support 5, is connected through dead lever 4 between upper portion support and the lower part support, specifically, the upper end and the upper portion support 5 fixed connection of dead lever 4, the lower extreme and the lower part support 3 fixed connection of dead lever 4. The upper support comprises two channel steels which are arranged oppositely at left and right intervals, the opposite notches of the two channel steels form a guide rail 6 with a guide direction extending along the front and rear directions, and the bed body is movably assembled on the guide rail in a guiding way, specifically, the left side and the right side of the bed body 7 are provided with rollers 8 which are respectively guided and installed in the corresponding notches. The device frame is also provided with a bed body driving mechanism which is in transmission connection with the bed body, the bed body driving mechanism in the embodiment comprises a crankshaft and a motor 23, the axis of the crankshaft extends along the left-right direction, the motor 23 drives the crankshaft to rotate circularly, the motor 23 is an electric motor, the motor is in transmission connection with a main journal 14 of the crankshaft through an overrunning clutch 21, and a force transmission bearing 16 which is used for contacting with the tail end of the bed body to transmit force is rotatably sleeved on a connecting journal 15 of the crankshaft. A bearing seat 17 is arranged on a fixed rod 4 of the pitching support, a main journal bearing 13 for realizing the rotating assembly of a main journal 14 is arranged on the bearing seat 17, and a motor 23 is arranged on the fixed rod 4. In the embodiment, as shown in the view angle of fig. 1, the crankshaft rotates counterclockwise, the force transmission bearing 16 pushes the bed body 7 to move forward, the arrow 10 in the figure indicates the moving direction of the bed body, i.e. the front and back directions, the pregnant woman 11 on the bed body also moves forward along with the bed body, when the plane where the axis of the force transmission bearing 16 and the axis of the main journal of the crankshaft are located corresponds to the moving direction of the bed body, the bed body 7 reaches the highest point, in the process, the weight of the bed body and the pregnant woman applies negative work to the crankshaft, and then the crankshaft continues to rotate, the gravity of the bed body and the pregnant woman applies positive work to the crankshaft, the rotating speed of the crankshaft is increased, the overrunning clutch disconnects the transmission between the main journal of the crankshaft and the motor, the crankshaft does not obstruct the downward movement of the bed body and the pregnant woman, so that the bed body obtains a higher backward moving speed which is higher than the speed when the bed body moves forward until the plane where the axis of the force transmission bearing and the axis of the crankshaft again correspond to the moving direction of the bed body, at the moment, the bed body reaches the lowest point, the bed body is blocked by the crankshaft, then the speed in the downward direction drops to zero instantly, the fetus has the tendency of flushing away from the mother under the inertia effect, and the cycle is regular, so that the pregnant woman is facilitated to produce. The reciprocating amplitude of the bed body is not more than 4 cm.

During the in-service use, according to the health and the pregnancy date of different pregnant women, can adjust the inclination of the bed body to change the inertia force that the foetus washed away the mother, when the bed body was close vertical angle, the foetus can obtain the biggest inertia force. In other embodiments of the present invention: the angle of the bed body can not be adjusted; when the horizontal posture of the bed body acts on the pregnant woman, the limit structure on the bed body is not needed; the force transmission bearing can reduce the abrasion between the bed body and the crankshaft, thereby being beneficial to improving the service life of the product, and in other embodiments of the utility model, the connecting rod neck of the crankshaft can also directly push and contact with the bed body to transmit force; certainly, when the angle of the bed body is smaller, in order to ensure that the bed body can rapidly move backwards, a spring which applies backward acting force to the bed body can be arranged between the bed body and the pitching support to promote the bed body to move backwards and reset; the motor may also be a hydraulic motor or a pneumatic motor. The utility model provides a limit structure among pregnant woman's practise midwifery device is mainly to practise midwifery under the several hour states before the production in the pregnant woman's delivery room, if only to the practise midwifery that faces in the phase of labor several months, limit structure can be the pedal that sets up in the corresponding position of pregnant woman's foot, pregnant woman's foot only need keep off on the pedal can.

An embodiment 2 of a midwifery device for pregnant women is shown in fig. 4: embodiment 2 is different from embodiment 1 in that the bed body driving mechanism has a linear motion output end 32 capable of outputting a linear motion in a front-back direction, the bed body driving mechanism in this embodiment is an electric push rod 30, the linear motion output end 32 of the electric push rod is connected to the bed body 7 through a hinge shaft 33 so as to drive the bed body to move forward and backward, a motion speed of the linear motion output end of the electric push rod is controlled by a control part, the control part includes a controller in control connection with a motor of the electric push rod, and the forward moving speed of the bed body driven by the linear motion output end is slower than the backward moving speed of the bed body through the control operation of the control part. In other embodiments of the present invention: the electric push rod can also be replaced by a bed body driving mechanism with a linear motion output end, such as a hydraulic cylinder, a pneumatic cylinder and the like.

An embodiment 3 of the midwifery device for pregnant women is shown in figures 5-6: the difference between the embodiment 3 and the embodiment 1 is that the pitching support 18 only comprises a lower support 3, the bed body is connected with the pitching support through a front swing rod 35 and a rear swing rod 36, the upper ends of the front swing rod 35 and the rear swing rod 36 are hinged with the bed body, and the lower ends of the front swing rod 35 and the rear swing rod 36 are hinged with the lower support 3 of the pitching support, so that the lower support 3, the front swing rod 35, the rear swing rod 36 and the bed body 7 form a parallelogram linkage mechanism. The bed body driving mechanism comprises a speed reducing motor and a crankshaft, a main journal 14 of the crankshaft is fixedly connected with a motor shaft of the speed reducing motor 37, a force transmission bearing 16 is sleeved on a connecting rod journal 15 of the crankshaft, the crankshaft is in pushing fit with the tail part of the bed body through the force transmission bearing 16, the pushing mode is different from the embodiment 1 in that after the bed body moves to the most front position through the pushing of the bearing, the bearing moves to the lower side of the bed body and cannot push the bed body, at the moment, the bed body resets under the combined action of self gravity and gravity of a pregnant woman, and an overrunning clutch does not need to be arranged between the speed reducing motor and the crankshaft. The bearing seat 17 for mounting the main journal bearing 13 on the main journal 14 and the reduction motor 37 are mounted on the lower bracket 3.

Claims

1. A pregnant woman midwifery device is characterized in that: comprises a device frame, a bed body which is used for a pregnant woman to lie on and the front end of which is a bed head end is arranged on the device frame, and a bed body driving mechanism which is in transmission connection with the bed body to drive the bed body to reciprocate back and forth is also arranged on the device frame.

2. The pregnant woman's midwifery device of claim 1, wherein: the device frame comprises a fixed support and a pitching support, the rear end of the pitching support is hinged and connected with the fixed support, the hinging axis of the pitching support is arranged along the left-right direction, the bed body is arranged on the pitching support, and an angle adjusting mechanism for adjusting the pitching angle of the pitching support is arranged between the fixed support and the pitching support.

3. The pregnant woman's midwifery device of claim 1, wherein: the bed body is provided with a limit structure which is used for being matched with the pregnant woman stop to limit the pregnant woman to move towards the bed tail direction of the bed body.

4. The midwifery device for pregnant women according to any one of claims 1 to 3, wherein: the device frame is provided with a guide rail extending along the front-back direction, and the bed body is assembled on the device frame in a guiding and moving manner along the front-back direction.

5. The pregnant woman's midwifery device of claim 4, wherein: the bed body driving mechanism is provided with a linear motion output end capable of outputting linear motion in the front-back direction, and the linear motion output end is connected with the bed body to drive the bed body to move forwards and backwards.

6. The pregnant woman's midwifery device of claim 5, wherein: the bed body driving mechanism comprises a crankshaft and a motor, wherein the axis of the crankshaft extends along the left and right directions, the motor drives the crankshaft to rotate, a connecting rod neck of the crankshaft provides a jacking force for the bed body to drive the bed body to move forwards, and the bed body moves backwards to reset by means of gravity or a spring.

7. The midwifery device for pregnant women according to any one of claims 1 to 3, wherein: the bed body is connected with the device frame through swing rods which are arranged in parallel in the front and back direction, one end of each swing rod is hinged with the device frame, and the other end of each swing rod is hinged with the bed body.