CN114366536A - Auxiliary device for childbirth - Google Patents

Abstract

A delivery auxiliary device, which effectively solves the problems of inconvenient folding of the leg support of the prior lying-in woman and inconvenient replacement of a cushion sheet; the bed plate comprises a bed plate, wherein a abdicating groove is formed in the bed plate, the abdicating groove is rotatably connected with a worm wheel, a swinging block is rotatably connected to a rotating shaft, the swinging block is slidably connected with a rack, the rack is provided with a supporting device, a transmission rod is rotatably connected in the bed plate, the front side and the rear side of the transmission rod are respectively provided with a worm groove, the middle part of the bed plate is provided with a rectangular groove which is communicated from top to bottom and has a leftward opening, the bed plate is rotatably connected with belt wheels, the two belt wheels are opposite from left to right and are connected through a transmission belt, the left side and the right side of the front end of the transmission belt are respectively hinged with an arc-shaped clamping jaw, the bed plate is provided with a waist-shaped annular groove with the rear end communicated with the rectangular groove, a placing groove positioned at the right of the rectangular groove is formed in the bed plate, and a rotary drum is detachably connected in the placing groove; the invention has simple structure and convenient operation, saves the workload of medical staff and improves the preoperative preparation efficiency of the medical staff.

Description

Auxiliary device for childbirth

Technical Field

The invention relates to the technical field of auxiliary instruments for obstetrics and gynecology department, in particular to a delivery auxiliary device.

Background

The obstetrics and gynecology department is one of four main subjects of clinical medicine, mainly researches the etiology, pathology, diagnosis and prevention of female reproductive organ diseases, physiological and pathological changes of pregnancy and delivery, prevention and diagnosis and treatment of high-risk pregnancy and dystocia, female reproductive endocrine, family planning, female health care and the like, deep research of medical basic theories such as modern molecular biology, oncology, genetics, reproductive endocrinology, immunology and the progress of clinical medicine diagnosis and treatment detection technology, widens and deepens the development of gynecological science, and plays an important role in guaranteeing the health of women and reproduction and preventing and treating various gynecological diseases;

when the operation of lying-in woman's childbirth, the supine position is got to domestic most position of delivery, it is convenient that the medical staff of being convenient for handles obstetrical department (like apparatus practise midwifery) and neonate handles, be fit for medical staff's needs, for the convenience of fixing of patient's position, use the support to lift up patient's shank usually at present, the lying-in woman of being convenient for carries out the childbirth operation, but the support is raised to current shank and is used the back, can't pack up, the support of being not convenient for accomodate and deposit, simultaneously when patient's childbirth, need to stack up disposable single pad to below patient's buttock, and all need take again and change new disposable single pad before every operation, medical staff's work load has been increased, bring inconvenience for medical staff.

Disclosure of Invention

In view of the above situation, the present invention aims to provide a childbirth assisting device, which effectively solves the problems of inconvenient folding of the leg support and inconvenient replacement of the sheet of the existing puerpera.

The technical scheme includes that the bed comprises a bed plate, wherein the front end and the rear end of the left side of the bed plate are respectively provided with a abdicating groove, a worm wheel is rotatably connected in the abdicating groove through a left axial rotating shaft and a right axial rotating shaft, a U-shaped swinging block is rotatably connected to the rotating shaft, racks which are in the front direction and the rear direction and are meshed with the worm wheels on the corresponding sides of the racks are respectively connected to the lower sides of the two swinging blocks in a sliding manner, the opposite ends of the two racks are respectively provided with a supporting device, a transmission rod which is in the front direction and the rear direction and is positioned above the worm wheel is rotatably connected in the bed plate, worm grooves which can be meshed with the worm wheels on the corresponding sides of the transmission rod are respectively arranged on the front side and the rear side of the transmission rod are opposite in rotating direction, a moving shaft which is positioned on the left side of the transmission rod and is in the front-rear axial direction is arranged in the bed plate, the moving shaft can rotate and can move back and forth and back along with the rotation of the moving shaft;

bed board middle part link up about having seted up and the opening rectangular channel towards the left side, it is connected with two axial band pulleys around and in the rectangular channel rear portion to rotate on the bed board, left band pulley can rotate along with the removal axle, relative and the transmission belt connection of passing through about two band pulleys, the drive belt front end left and right sides articulates respectively has curved jack catch, jack catch one end is equipped with the cutting edge and its other end is equipped with the hook claw, set up rear end and rectangular channel intercommunication and waist shape's annular on the bed board, the annular right-hand member is outside bellied shape respectively rather than left side lower extreme, one side that the jack catch front end is close to the cutting edge is equipped with the post of inserting in the annular, set up the standing groove that is located the rectangular channel right side in the bed board, the standing groove dismantlement is connected with the rotary drum, the winding has a plurality of continuous packing list on the rotary drum outer fringe face, the packing list free end can stretch out the bed board, the jack catch can contact with the junction of two adjacent packing lists.

The invention has simple structure and convenient operation, is convenient for the puerperal patient to support the legs of the patient during the childbirth, is beneficial to the puerperal patient to carry out the childbirth, is beneficial to the medical personnel to carry out the treatment operation on the puerperal, is convenient for the medical personnel to lay the pad sheet on the hip of the patient before the operation, is beneficial to the use of the patient, saves the workload of the medical personnel and improves the efficiency of the preoperative preparation of the medical personnel.

Drawings

Fig. 1 is an isometric view of the invention in its initial state.

Figure 2 is a cutaway elevational perspective view of the present invention in its initial state.

FIG. 3 is a left isometric view in full section of the present invention in its initial state.

Figure 4 is a cutaway top isometric view of the present invention in its initial state.

Fig. 5 is a ladder section isometric view of the invention in its initial state.

Fig. 6 is an expanded isometric view of the present invention.

FIG. 7 is a front elevational perspective view of the present invention in section after deployment.

FIG. 8 is a left isometric, expanded view of the present invention.

FIG. 9 is a front elevational perspective view of the present invention in section after deployment.

Figure 10 is a cutaway rear isometric view of the invention after deployment.

Fig. 11 is an isometric view of the invention with the dunnage sheet cut.

Figure 12 is a cut-away isometric view of the invention cutting through the sheet.

Figure 13 is a cut-away rear isometric view of the invention cutting through the drawsheet.

Fig. 14 is a top view of a shim according to the present invention.

Figure 15 is an isometric view of the jaws of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 15, the bed plate comprises a bed plate 1, wherein the front end and the rear end of the left side of the bed plate 1 are respectively provided with a abdicating groove 2, the abdicating groove 2 is internally and rotatably connected with a worm wheel 4 through a left-right axial rotating shaft 3, the rotating shaft 3 is rotatably connected with a U-shaped swinging block 5, the lower sides of the two swinging blocks 5 are respectively and slidably connected with racks 6 which are in the front-back direction and are meshed with the worm wheel 4 on the corresponding side, the back ends of the two racks 6 are respectively provided with a supporting device, the bed plate 1 is rotatably connected with a transmission rod 7 which is in the front-back axial direction and is positioned above the worm wheel 4, the front side and the rear side of the transmission rod 7 are respectively provided with worm grooves 8 which are meshed with the worm wheel 4 on the corresponding side, the rotation directions of the two worm grooves 8 are opposite, a moving shaft 9 which is positioned at the left side and in the front-back axial direction of the transmission rod 7 is arranged in the bed plate 1, the moving shaft 9 can rotate and can move back and forth, and back the transmission rod 7 can rotate along with the rotation of the moving shaft 9;

the bed board 1 middle part set up about link up and the opening towards left rectangular channel 10, bed board 1 go up to rotate and be connected with two and be located the rectangular channel 10 rear and axial band pulley 11 from beginning to end, left band pulley 11 can rotate along with removal axle 9, two band pulleys 11 are relative and pass through drive belt 12 and connect about, the left and right sides of drive belt 12 front end articulates respectively has curved jack catch 13, jack catch 13 one end is equipped with the cutting edge and its other end is equipped with the hook, bed board 1 is seted up the rear end and is communicated with rectangular channel 10 and waist-shaped annular 14, annular 14 right-hand member and its left side lower extreme are the shape of outside arch respectively, one side that the jack catch 13 front end is close to the cutting edge is equipped with the inserted post 15 of inserting in annular 14, set up the standing groove 16 that is located the rectangular channel 10 right side in bed board 1, the dismantlement is connected with rotary drum 17 in the standing groove 16, it has a plurality of continuous sheet 18 to twine on the rotary drum 17 outer fringe face, sheet 18 free end can stretch out bed board 1, the jaws 13 may contact the junction of two adjacent sheets 18.

In order to facilitate the sliding of the racks 6 and the supporting of the legs of the patient, the front side and the rear side of the lower end of the bed plate 1 are respectively fixed with rectangular rings 19, the opposite sides of the two racks 6 are respectively inserted into the rectangular rings 19 of the corresponding sides, the supporting device comprises inverted U-shaped supporting plates 20, the opposite ends of the two supporting plates 20 are connected with the racks 6 of the corresponding sides, and the left ends of the two supporting plates 20 are connected with a pedal 21 through connecting columns.

In order to facilitate the rotation and the slip of removing axle 9, removal axle 9 on the front and back both sides seted up spout 22 respectively, two spout 22 openings back on the body mutually, 1 left side of bed board is equipped with the motor that is located removal axle 9 the place ahead, the coaxial connecting axle 23 that is equipped with removal axle 9 of motor output, connecting axle 23 inserts in the spout 22 of front side and through key and removal axle 9 sliding connection, 1 rear side of bed board is equipped with and removes the coaxial reciprocal lead screw 24 of axle 9, reciprocal lead screw 24 inserts in the spout 22 of rear side and with remove the meshing of axle 9.

In order to enable the transmission rod 7 to rotate forward and backward along with the rotation of the moving rod, a transmission groove 25 located in front of the annular groove 14 is formed in the left side of the bed plate 1, the transmission rod 7 penetrates through the transmission groove 25 and is coaxially provided with a main gear 26, a secondary gear 27 located behind the main gear 26 is arranged on the transmission rod 7, an idle gear 28 located on the left of the main gear 26 and meshed with the main gear 26 is rotatably connected in the transmission groove 25, a transmission gear 29 capable of being meshed with the idle gear 28 is coaxially arranged in the transmission groove 25 in front of the moving shaft 9, and a moving gear 30 located behind the transmission gear 29 and meshed with the secondary gear 27 is coaxially arranged on the moving shaft 9.

In order to facilitate the rotation and the sliding of the moving shaft 9 and the rotation of the left belt wheel 11 along with the rotation of the moving shaft 9, the bed plate 1 is provided with a groove 31 which is coaxial with the moving shaft 9 and communicated with the rectangular groove 10, the groove 31 is step-shaped, the reciprocating screw rod 24 is coaxially and fixedly connected with the rear end of the groove 31, the moving shaft 9 coaxially penetrates through the left belt wheel 11 and is in sliding connection with the belt wheel 11 through a sliding block 32, and the sliding block 32 can rotate in the groove 31.

In order to enable the rotary drum 17 to be detachably connected with the bed plate 1, a disc capable of shielding an opening at the rear side of the placing groove 16 is fixed at the rear end of the bed plate 1, a fixing column 34 coaxial with the rotary drum 17 is arranged on the disc, the front end of the fixing column 34 extends out of the placing groove 16 and is in threaded connection with a detaching disc 33, and the rotary drum 17 can be sleeved on the fixing column 34.

In order to facilitate the extension of the bed plate 1 by the sheet gasket 18, the bed plate 1 is provided with an arc-shaped communicating groove with an upward opening, the communicating groove is communicated with the rectangular groove 10, and the free end of the sheet gasket 18 can extend out of the opening of the communicating groove.

In order to prevent the connection part of two adjacent sheet gaskets 18 from cutting off the sheet gasket 18 and facilitate the placement of the bed plate 1, the front side and the rear side of the bed plate 1 are respectively provided with an elastic pressing block 35, the pressing blocks 35 are inserted into the communication groove and can press the sheet gasket 18, and the lower end of the bed plate 1 is provided with a base through a support column.

When the invention is used, the original state is that the pad 18 is put into the placing groove 16, the right claw is inserted into the pad at the leftmost end, the supporting device is put under the bed plate 1, if the puerpera needs to use, the motor is started, the motor drives the moving shaft 9 to rotate clockwise through the connecting shaft 23, the moving shaft 9 drives the transmission gear 29 to rotate anticlockwise, the transmission gear 29 drives the main gear 26 to rotate against the birth needle through the idle gear 28, the main gear 26 drives the transmission rod 7 to rotate anticlockwise, the transmission rod 7 drives the rear worm wheel 4 to rotate clockwise through the worm groove 8, under the guidance of the rectangular ring 19, the rear worm wheel 4 drives the rack 6 at the corresponding side to slide backwards, the rack 6 at the corresponding side drives the supporting device at the rear side to slide backwards, when the rear worm wheel 4 is contacted with the front end of the rack 6, the rack 6 has no teeth at the position, and the rack 6 is moved out from the rectangular ring 19, at the moment, the rear worm wheel 4 continues to rotate, the turbine at the rear side drives the rack 6 at the rear side to swing upwards around the rotating shaft 3 through the swing block 5 at the corresponding side;

meanwhile, in the process that the rack 6 on the rear side slides backwards and swings, the worm groove 8 drives the worm wheel 4 on the front side to rotate anticlockwise, the worm wheel 4 on the front side drives the rack 6 on the corresponding side to slide forwards under the guidance of the rectangular ring 19, the rack 6 on the front side drives the supporting device on the corresponding side to slide forwards, when the worm wheel 4 on the front side is in contact with the rear end of the rack 6, teeth do not exist at the position of the rack 6, the rack 6 moves out of the rectangular ring 19, and at the moment, along with the continuous rotation of the worm wheel 4 on the front side, the worm wheel 4 on the front side drives the rack 6 on the front side through the swinging block 5 on the corresponding side, and swings upwards around the shaft 3;

along with the swinging of the racks 6, in the process of rotating the moving shaft 9, the moving shaft 9 slides backwards along the reciprocating screw rod 24, meanwhile, the moving shaft 9 drives the transmission gear 29 and the moving gear 30 to slide backwards, when the two racks 6 swing to the vertical state, the transmission gear 29 is disengaged from the idle gear 28, at the moment, the main gear 26 stops rotating, the rotation of the worm gear 4 is limited due to the unidirectional self-locking property of the worm gear, so that the positions of the two racks 6 are limited, and the supporting device swings to the upper part of the bed plate 1;

meanwhile, in the rotating process of the moving shaft 9, the moving shaft 9 drives the left belt pulley 11 to rotate anticlockwise through the sliding block 32, the left belt pulley 11 drives the transmission belt 12 to rotate anticlockwise, the transmission belt 12 drives the cushion sheet 18 to slide upwards along the communication groove through the claw, the cushion sheet 18 drives the rotary drum 17 to rotate around the fixed column 34, the claw 13 drives the plug-in post 15 to slide along the annular groove 14, after the transmission gear 29 is disengaged from the idle gear 28, the claw drives the cushion sheet 18 to shield the upper end face of the left side of the bed plate 1, when the claw on the right side moves to the left side of the bed plate 1, the motor is turned off, the supporting device extends upwards at the moment, the cushion sheet 18 shields the left side of the bed plate 1, the device is in an unfolded state, a puerpera sits on the bed plate 1, legs are placed on the supporting plate 20, soles are in contact with the pedal 21, and meanwhile, the cushion sheet 18 is positioned below the buttocks of the patient, so that the parturition process of the patient is assisted;

after the patient finishes using, the motor is started, the motor continues to drive the moving shaft 9 to rotate anticlockwise through the connecting shaft 23, the moving shaft 9 slides backwards along the reciprocating screw rod 24, the moving shaft 9 drives the left belt wheel 11 to rotate anticlockwise, the left belt wheel 11 drives the two clamping jaws 13 to synchronously move through the transmission belt 12, the clamping jaw 13 on the right side drives the inserting column 15 on the corresponding side to slide along the bulge on the right side of the annular groove 14, so that the upper side of the clamping jaw 13 on the right side swings rightwards, the blade on the upper side of the clamping jaw 13 on the right side is contacted with the joint between the cushion sheets 18 and cuts off the joint, when the inserting column 15 moves to the top end of the bulge on the right side, the joint between the two adjacent cushion sheets 18 is completely cut off by the blade, under the action of the pressing block 35, the cushion sheets 18 cannot slide downwards into the placing groove 16, at the moment, the driving belt 12 continues to rotate, the clamping jaw 13 on the left side drives the used cushion sheet 18 to slide leftwards through the hooking jaw, simultaneously, the inserting column 15 on the right claw 13 moves out of the bulge of the ring groove 14, so that the right claw 13 swings leftwards, the right claw swings rightwards and pierces the left free end of the unused cushion sheet 18, and simultaneously, the inserting column 15 on the left claw 13 moves to the bulge on the left side of the ring groove 14, so that the left claw 13 swings upwards, and the claw swings into the rectangular groove 10 to be separated from the used cushion sheet 18;

when the left claw is separated from the used packing sheet 18, the moving shaft 9 slides backwards and separates the slide block 32 from the belt wheel 11, at this time, with the continuous rotation of the moving shaft 9, the left belt wheel 11 can not rotate, and as the moving shaft 9 slides backwards, the moving shaft 9 drives the moving gear 30 to mesh with the auxiliary gear 27, at this time, the moving shaft 9 drives the auxiliary gear 27 to rotate clockwise through the moving gear 30, the auxiliary gear 27 drives the transmission rod 7 to rotate clockwise, the transmission rod 7 drives the worm wheel 4 on the corresponding side to rotate anticlockwise through the worm groove 8 on the rear side, under the action of the gravity of the rack 6 and the swing block 5 at the rear side, the worm wheel 4 drives the rack 6 and the swing block 5 to swing anticlockwise around the rotating shaft 3, when the rack 6 on the rear side swings to a horizontal state, the rack 6 on the rear side slides forwards and is inserted into the rectangular ring 19 along with the continuous rotation of the worm wheel 4 on the rear side, and meanwhile, the rack 6 drives the supporting device to swing downwards and slide forwards;

meanwhile, along with the swinging of the rack 6 at the rear side, the worm groove 8 at the front side drives the worm wheel 4 at the corresponding side to rotate clockwise, under the action of the gravity of the rack 6 at the front side and the swing block 5, the worm wheel 4 drives the rack 6 and the swing block 5 to swing clockwise around the rotating shaft 3, when the rack 6 at the front side swings to a horizontal state, along with the continuous rotation of the worm wheel 4 at the front side, the rack 6 at the front side slides backwards and is inserted into the rectangular ring 19, meanwhile, the rack 6 drives the supporting device to swing downwards and slide backwards, when the moving shaft 9 moves to the left end of the reciprocating lead screw, under the action of the reciprocating lead screw, the moving shaft 9 slides forwards and drives the moving gear 30 and the transmission gear 29 to slide forwards synchronously, in the process, the moving gear 30 is continuously engaged with the auxiliary gear 27, namely, the two racks 6 continuously swing downwards and retract, and when the two racks 6 drive the supporting devices at the corresponding sides to swing to an initial position, the moving shaft 9 drives the moving gear 30 to move forwards and is disengaged from the pinion 27, at this time, the supporting device is accommodated, the used packing 18 is positioned and released, the motor is turned off, the used packing 18 and the used medical wastes are uniformly collected and placed into the special medical waste gas garbage bin, when the garbage bin is used next time, the motor is started, the moving shaft 9 continuously slides forwards and drives the sliding block 32 to be inserted into the belt pulley 11 on the left side again, as can be seen from the above, the belt pulley 11 on the left side rotates and drives the new packing 18 to extend upwards through the transmission belt 12 and the hook claw, meanwhile, along with the forward sliding of the moving shaft 9, the moving shaft 9 drives the transmission gear 29 to be engaged with the idle gear 28 again and drives the main gear 26 to rotate anticlockwise through the idle gear 28, the main gear 26 drives the rack 6 and the supporting device to swing out through the transmission rod 7, the worm groove 8 and the worm wheel 4, and when the moving shaft 9 moves to the front end of the reciprocating screw rod 24, the moving shaft 9 slides backwards, and through the above process, the unfolding of the supporting device is completed, and simultaneously, a new sheet 18 is laid on the left side of the bed plate 1;

if a new rotary drum 17 needs to be replaced, the disassembling disc 33 is rotated anticlockwise, the disassembling disc 33 is separated from the fixed column 34, the used rotary drum 17 is taken out at the moment, a new rotary drum 17 is placed in, the packing sheet 18 with a certain length is pulled out along the communicating groove, the free end of the packing sheet 18 is positioned above the hook claw, the disassembling disc 33 is rotated anticlockwise at the moment, the disassembling disc 33 is reconnected with the fixed column 34, and the replacement of the packing sheet 18 is completed.

The invention has simple structure and convenient use, is provided with the worm wheel, the rack and the supporting device, is convenient for a puerperal patient to support the legs of the patient during childbirth, is beneficial to the puerperal patient to carry out childbirth, is beneficial to medical personnel to carry out treatment operation on the puerperal, is simultaneously provided with the transmission rod, the worm wheel groove and the rotating shaft, is convenient to store and store the used supporting device, prevents the supporting device from influencing the nursing operation of the medical personnel, is beneficial to the medical personnel and the patient to use, and is simultaneously provided with the rotary drum, the cushion sheet, the transmission belt and the hook claw, so that the cushion sheet is convenient to be paved on the hip of the patient before the operation of the medical personnel, is beneficial to the use of the patient, saves the workload of the medical personnel, improves the efficiency of preoperative preparation of the medical personnel, is convenient to use of the medical personnel and the patient, has novel conception and strong usability.

Claims (8)

1. A childbirth auxiliary device comprises a bed plate (1) and is characterized in that the front end and the rear end of the left side of the bed plate (1) are respectively provided with a yielding groove (2), worm gears (4) are rotatably connected in the yielding grooves (2) through a left axial rotating shaft and a right axial rotating shaft (3), U-shaped swinging blocks (5) are rotatably connected on the rotating shafts (3), racks (6) which are in the front and rear directions and are meshed with the worm gears (4) on the corresponding sides are respectively connected on the lower sides of the two swinging blocks (5) in a sliding manner, supporting devices are respectively arranged at the back ends of the two racks (6), a transmission rod (7) which is in the front and rear axial direction and is positioned above the worm gears (4) is rotatably connected in the bed plate (1), worm grooves (8) which are meshed with the worm gears (4) on the corresponding sides are respectively arranged on the front and rear sides of the transmission rod (7), the rotating directions of the two worm grooves (4) are opposite, a moving shaft (9) which is positioned at the left side and in the front and rear axial direction of the transmission rod (7) is arranged in the bed plate (1), the movable shaft (9) can rotate and move back and forth, and the transmission rod (7) can rotate forward and backward along with the rotation of the movable shaft (9);

the middle part of the bed board (1) is provided with a rectangular groove (10) which is through from top to bottom and has an opening facing to the left, the bed board (1) is connected with two belt wheels (11) which are positioned at the rear part of the rectangular groove (10) and have axial front and back directions in a rotating way, the left belt wheel (11) can rotate along with a movable rod (9), the two belt wheels (11) are opposite from the left to the right and are connected through a transmission belt (12), the left side and the right side of the front end of the transmission belt (12) are respectively hinged with an arc-shaped clamping jaw (13), one end of the clamping jaw (13) is provided with a cutting edge and the other end of the clamping jaw is provided with a hook claw, the bed board (1) is provided with a waist-shaped annular groove (14) with the rear end communicated with the rectangular groove (10), the right end of the annular groove (14) and the left side lower end of the annular groove are respectively in an outward convex shape, one side, which is close to the cutting edge, of the front end of the clamping jaw (13) is provided with an insert column (15) inserted into the annular groove (14), the right side of the rectangular groove (10) is arranged in the bed board (1), the rotary drum (17) is detachably connected in the placing groove (16), a plurality of connected bed sheets (18) are wound on the outer edge surface of the rotary drum (17), the free ends of the bed sheets (18) can extend out of the bed plate (1), and the claws (13) can be in contact with the joints of two adjacent bed sheets (18).

2. The childbirth assisting device according to claim 1, wherein the lower end of the bed plate (1) is fixed with rectangular rings (19) at the front and rear sides, the opposite sides of the two racks (6) are inserted into the rectangular rings (19) at the corresponding sides, the supporting device comprises an inverted U-shaped supporting plate (20), the opposite ends of the two supporting plates (20) are respectively connected with the racks (6) at the corresponding sides, and the left ends of the two supporting plates (20) are connected with a pedal (21) through connecting columns.

3. The childbirth assistance device according to claim 1, wherein the movable shaft (9) has two sliding grooves (22) formed on the front and rear sides thereof, the two sliding grooves (22) are open opposite to each other, the left side of the bed plate (1) is provided with a motor located in front of the movable shaft (9), the output end of the motor is coaxially provided with a connecting shaft (23) coaxial with the movable shaft (9), the connecting shaft (23) is inserted into the sliding groove (22) on the front side and is slidably connected with the movable shaft (9) through a key, the rear side of the bed plate (1) is provided with a reciprocating screw rod (24) coaxial with the movable shaft (9), and the reciprocating screw rod (24) is inserted into the sliding groove (22) on the rear side and is engaged with the movable shaft (9).

4. A childbirth assisting device according to claim 1, wherein a transmission groove (25) is formed in the left side of the bed plate (1) in front of the annular groove (14), the transmission rod (7) penetrates through the transmission groove (25) and is coaxially provided with a main gear (26), a secondary gear (27) is arranged on the transmission rod (7) in back of the main gear (26), an idle gear (28) is rotatably connected to the transmission groove (25) in left of the main gear (26) and is meshed with the main gear (26), a transmission gear (29) which is capable of being meshed with the idle gear (28) is coaxially arranged in the transmission groove (25) in front of the movable shaft (9), and a movable gear (30) which is coaxially arranged in back of the transmission gear (29) and is meshed with the secondary gear (27) is coaxially arranged on the movable shaft (9).

5. The childbirth assistance device according to claim 1, wherein the bed plate (1) is provided with a groove (31) coaxial with the moving shaft (9) and communicating with the rectangular groove (10), the groove (31) is stepped, the reciprocating screw rod (24) is coaxially and fixedly connected with the rear end of the groove (31), the moving shaft (9) coaxially penetrates through the left belt wheel (11) and is slidably connected with the belt wheel (11) through the slider (32), and the slider (32) can rotate in the groove (31).

6. A childbirth aid device according to claim 1, wherein the rear end of the bed plate (1) is fixed with a disc which can cover the opening at the rear side of the placing groove (16), the disc is provided with a fixing column (34) which is coaxial with the rotary drum (17), the front end of the fixing column (34) extends out of the placing groove (16) and is connected with a detaching disc (33) in a threaded manner, and the rotary drum (17) can be sleeved on the fixing column (34).

7. The childbirth assisting device according to claim 1, wherein the bed plate (1) is provided with an arc-shaped communication groove with an upward opening, the communication groove is communicated with the rectangular groove (10), and the free end of the back sheet (18) can extend out of the opening of the communication groove.

8. The childbirth assisting device according to claim 1, wherein the bed plate (1) is provided with elastic pressing blocks (35) at the front and rear sides thereof, the pressing blocks (35) are inserted into the communicating groove and can press the bed sheet (18), and the bed plate (1) is provided with a base at the lower end thereof through a supporting column.

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