CN214129292U

CN214129292U - Paediatrics nursing apparatus places case

Info

Publication number: CN214129292U
Application number: CN202120007462.1U
Authority: CN
Inventors: 李婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-09-07
Anticipated expiration: 2031-01-04

Abstract

The utility model belongs to the technical field of paediatrics nursing equipment, especially, for a paediatrics nursing apparatus places case, the power distribution box comprises a box body, the front side of box is equipped with first rectangular plate, and the left side of box and the left side of first rectangular plate are rotated and are installed two hinges, and the front side fixed mounting of first rectangular plate has first U-shaped pole, and the front side of box is equipped with the bolt, bolt and box threaded connection, bolt and first rectangular plate threaded connection, be equipped with two inside boards of placing for the cavity setting in the box, two last fixed surface that place the board of being located the below in placing the board have four first bracing pieces. The utility model discloses a set up mutually supporting of box, first rectangular plate, hinge and first U-shaped pole, solved the current case of placing and can not add the bottled apparatus of different specifications and hold fixed and place two of incasement and place the problem that the distance between the board was not convenient for adjust according to actual need.

Description

Paediatrics nursing apparatus places case

Technical Field

The utility model relates to a paediatrics nursing equipment technical field specifically is a case is placed to paediatrics nursing apparatus.

Background

Pediatrics is a comprehensive medical science for comprehensively researching physical and mental development, health care and disease prevention and treatment in the period of children and teenagers, and all the health and hygiene problems related to the period of children and teenagers belong to the pediatric scope. Some bottled apparatus can be placed at the in-process that uses to the case of placing now, but the current case of placing can not add the bottled apparatus of different specifications and hold fixedly, when personnel's mistake bumped and place the case, lead to easily placing the incasement bottled apparatus and topple over, the phenomenon of damage appears, the current case of placing has a plurality of boards of placing mostly fixed mounting, the staff puts the nursing apparatus on the upper surface of placing the board, but place two of incasement and place the distance between the board and be not convenient for adjust according to actual need, be difficult to put into great nursing apparatus, thereby make space utilization reduce, unsatisfied operation requirement, therefore we have proposed a paediatrics nursing apparatus and placed the case and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a paediatrics nursing apparatus places case has solved the current problem that places the case and can not add to the bottled apparatus of different specifications and hold fixed and place two distances of placing between the board of incasement and be not convenient for adjust according to actual need.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a placing box for pediatric nursing tools comprises a box body, wherein a first rectangular plate is arranged on the front side of the box body, two hinges are rotatably arranged on the left side of the box body and the left side of the first rectangular plate, a first U-shaped rod is fixedly arranged on the front side of the first rectangular plate, a bolt is arranged on the front side of the box body and is in threaded connection with the box body, the bolt is in threaded connection with the first rectangular plate, two placing plates with cavities inside are arranged in the box body, four first supporting rods are fixedly arranged on the upper surface of one placing plate below the two placing plates, a first arc-shaped plate is fixedly arranged on one side, close to each other, of the two opposite first supporting rods, four second arc-shaped plates are arranged above one placing plate below the two placing plates, two rectangular grooves are formed in the upper surface of the placing plates, a first toothed plate is slidably connected to the side walls of the rectangular grooves, and second supporting rods are fixedly arranged on the upper surface of the first toothed plate, the rear side of each second supporting rod is fixedly connected with the front side of the corresponding second arc-shaped plate, the rear sides of the two second arc-shaped plates positioned on the front sides are fixedly provided with a third supporting rod, the bottom end of each third supporting rod is fixedly connected with a second toothed plate, the upper surface of one lower placing plate is fixedly provided with two second U-shaped rods, the second U-shaped rods are slidably connected with the corresponding second toothed plates, the side, close to each other, of each first toothed plate and the corresponding second toothed plate is meshed with a first gear, the upper surface of one lower placing plate is fixedly provided with two fourth supporting rods, the side, close to each other, of each two fourth supporting rods is rotatably provided with a first round rod, the end, close to each other, of each two first round rods is fixedly connected with the side, far away from each other, of the two first gears, the side, close to each other, of the two first gears is fixedly provided with a second round rod, the outer side of the second round, the outside meshing of second gear has the third pinion rack, and the last fixed surface who places the board that is located the below installs the third U-shaped pole, third U-shaped pole and third pinion rack sliding connection, and the front side threaded connection of third pinion rack has first screw rod, and the outside of first screw rod is rotated and is installed the fifth bracing piece, and the bottom of fifth bracing piece is connected with the last fixed surface who places the board that is located the below, and the front end fixed mounting of first screw rod has first knob.

As a preferred technical proposal of the utility model, two clamping rods are arranged in the placing plate, a plurality of clamping grooves are arranged on the left inner wall and the right inner wall of the box body, one end of each clamping rod which is far away from each other extends to the outside of the placing plate and is clamped with the corresponding clamping groove, a first rectangular rod is fixedly connected between the left inner wall and the right inner wall of the placing plate, a second rectangular rod is slidably connected on the outer side of the first rectangular rod, the front end of the second rectangular rod is fixedly connected with the rear side of the corresponding clamping rod, a spring is fixedly connected between one side of each second rectangular rod which is far away from each other and the left inner wall and the right inner wall of the placing plate respectively, the spring is movably sleeved on the outer side of the first rectangular rod, two positioning rods are fixedly arranged on the inner wall of the front side of the placing plate, a second rectangular plate is slidably connected on the outer sides of the two positioning rods, the front side of placing the board is equipped with the second knob, and the rear end fixed mounting of second knob has the second screw rod, and the rear end of second screw rod extends to and places in the board and with second rectangular plate threaded connection, place the board and rotate with the second screw rod and be connected.

As a preferred technical scheme of the utility model, first thread groove is opened to the front side of box, first thread groove and bolt threaded connection, and first screw hole, first screw hole and bolt threaded connection are opened to the front side of first rectangular plate.

As a preferred technical scheme of the utility model, first rectangular hole has been seted up in the left side of second pinion rack, the lateral wall in first rectangular hole and the outside sliding connection of second U-shaped pole, and the second rectangular hole has been seted up in the left side of third pinion rack, the lateral wall in second rectangular hole and the outside sliding connection of third U-shaped pole.

As a preferred technical scheme of the utility model, the circular recess has all been seted up to one side that two fourth bracing pieces are close to each other, and the lateral wall fixed mounting of circular recess has first bearing, the inner circle of first bearing and the outside fixed connection of first round bar.

As a preferred technical scheme of the utility model, the front side of third pinion rack is opened and is equipped with the second thread groove, second thread groove and first screw rod threaded connection, and the front side of fifth bracing piece is opened and is equipped with first circular port, and the lateral wall fixed mounting of first circular port has the second bearing, the inner circle of second bearing and the outside fixed connection of first screw rod.

As a preferred technical scheme of the utility model, the second screw hole has been opened to the front side of second rectangular plate, and second screw hole and second screw rod threaded connection place the front side inner wall of board and seted up the second circular port, and the lateral wall fixed mounting of second circular port has the third bearing, the inner circle of third bearing and the outside fixed connection of second screw rod.

As a preferred technical scheme of the utility model, the card hole has all been seted up to the left side inner wall and the right side inner wall of placing the board, the lateral wall in card hole and the outside sliding connection of the kelly that corresponds.

(III) advantageous effects

Compared with the prior art, the utility model provides a case is placed to paediatrics nursing apparatus possesses following beneficial effect:

1. this case is placed to paediatrics nursing apparatus, through the second knob, the second screw rod, the second rectangular plate, mutually supporting of connecting rod and kelly, the reverse rotation second knob, the second knob drives the second rectangular plate rearward movement through the second screw rod, the second rectangular plate passes through the connecting rod and drives corresponding kelly and the draw-in groove phase separation that corresponds, then the board is placed in the removal, when removing suitable position, forward rotation second knob, the spring drives kelly and clamps with the draw-in groove mutually, thereby reach two effects of placing the distance between the board of regulation.

2. This paediatrics nursing apparatus places case, through the mutually supporting of first knob, third pinion rack, first pinion rack, second pinion rack and second arc, rotate first knob, first knob drives the third pinion rack through first screw rod and slides, the third pinion rack drives two first gear rotations through second gear and second round bar, first gear moves the second arc that corresponds through corresponding first pinion rack and second pinion rack to reach and add the fixed effect of holding to the bottling apparatus.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a sectional three-dimensional structure inside the case;

FIG. 3 is a top left perspective view of the first arcuate plate, the second arcuate plate, and the second knob connector of FIG. 2;

FIG. 4 is a schematic top sectional perspective view of the inside of the placement board;

FIG. 5 is an enlarged schematic view of portion A of FIG. 3;

fig. 6 is an enlarged schematic view of a portion B in fig. 3.

In the figure: 1. a box body; 2. a first rectangular plate; 3. a hinge; 4. a first U-shaped bar; 5. a bolt; 6. placing the plate; 7. a clamping rod; 8. a card slot; 9. a first rectangular bar; 10. a second rectangular bar; 11. a spring; 12. positioning a rod; 13. a second rectangular plate; 14. a connecting rod; 15. a second knob; 16. a second screw; 17. a first support bar; 18. a first arc-shaped plate; 19. a second arc-shaped plate; 20. a first toothed plate; 21. a second support bar; 22. a third support bar; 23. a second toothed plate; 24. a second U-shaped bar; 25. a first gear; 26. a fourth support bar; 27. a first round bar; 28. a second round bar; 29. a second gear; 30. a third toothed plate; 31. a third U-shaped bar; 32. a first screw; 33. a fifth support bar; 34. a first knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: a placing box for pediatric nursing tools comprises a box body 1, wherein a first rectangular plate 2 is arranged on the front side of the box body 1, two hinges 3 are rotatably arranged on the left side of the box body 1 and the left side of the first rectangular plate 2, a first U-shaped rod 4 is fixedly arranged on the front side of the first rectangular plate 2, a bolt 5 is arranged on the front side of the box body 1, the bolt 5 is in threaded connection with the first rectangular plate 2, two placing plates 6 with cavities inside are arranged in the box body 1, four first supporting rods 17 are fixedly arranged on the upper surface of one placing plate 6 positioned below in the two placing plates 6, a first arc-shaped plate 18 is fixedly arranged on one side, close to each other, of the two opposite first supporting rods 17, four second arc-shaped plates 19 are arranged above one placing plate 6 positioned below, two rectangular grooves are formed in the upper surface of the placing plate 6, a first toothed plate 20 is slidably connected to the side wall, a second support rod 21 is fixedly arranged on the upper surface of the first toothed plate 20, the rear side of the second support rod 21 is fixedly connected with the front side of the corresponding second arc-shaped plate 19, third support rods 22 are fixedly arranged on the rear sides of the two second arc-shaped plates 19 positioned on the front side, a second toothed plate 23 is fixedly connected with the bottom end of the third support rod 22, two second U-shaped rods 24 are fixedly arranged on the upper surface of a lower placing plate 6, the second U-shaped rods 24 are slidably connected with the corresponding second toothed plates 23, a first gear 25 is meshed with the side, close to each other, of the first toothed plate 20 and the second toothed plate 23, two fourth support rods 26 are fixedly arranged on the upper surface of the lower placing plate 6, a first round rod 27 is rotatably arranged on the side, close to each other, one end, close to each other, of the two first round rods 27 is fixedly connected with the side, far away from each other, of the two first gears 25 respectively, two one sides fixed mounting that first gear 25 is close to each other have second round bar 28, the outside fixed mounting of second round bar 28 has second gear 29, the outside meshing of second gear 29 has third pinion rack 30, the last fixed surface who places board 6 that is located the below installs third U-shaped pole 31, third U-shaped pole 31 and third pinion rack 30 sliding connection, the front side threaded connection of third pinion rack 30 has first screw rod 32, the outside of first screw rod 32 is rotated and is installed fifth bracing piece 33, the bottom of fifth bracing piece 33 and the last fixed surface who places board 6 that is located the below are connected, the front end fixed mounting of first screw rod 32 has first knob 34.

In the present embodiment, the first knob 34 is provided to facilitate the operation of the worker.

Specifically, two clamping rods 7 are arranged in the placing plate 6, a plurality of clamping grooves 8 are formed in the left inner wall and the right inner wall of the box body 1, the ends of the two clamping rods 7, which are far away from each other, extend out of the placing plate 6 and are clamped with the corresponding clamping grooves 8, a first rectangular rod 9 is fixedly connected between the left inner wall and the right inner wall of the placing plate 6, a second rectangular rod 10 is slidably connected to the outer side of the first rectangular rod 9, the front end of the second rectangular rod 10 is fixedly connected with the rear side of the corresponding clamping rod 7, a spring 11 is fixedly connected between the side, which is far away from each other, of the two second rectangular rods 10 and the left inner wall and the right inner wall of the placing plate 6 respectively, the spring 11 is movably sleeved on the outer side of the first rectangular rod 9, two positioning rods 12 are fixedly installed on the front inner wall of the placing plate 6, a second rectangular plate 13 is slidably connected to the outer sides of the two positioning rods 12, a connecting rod 14 is rotatably connected to the second rectangular plate 13 and the clamping rods 7, the front side of the placing plate 6 is provided with a second knob 15, the rear end of the second knob 15 is fixedly provided with a second screw 16, the rear end of the second screw 16 extends into the placing plate 6 and is in threaded connection with the second rectangular plate 13, and the placing plate 6 is in rotational connection with the second screw 16.

In this embodiment, the spring 11 is provided to perform the reset function, and the second knob 15 is provided to facilitate the operation of the worker.

Specifically, the front side of box 1 is opened and is equipped with first thread groove, first thread groove and 5 threaded connection of bolt, and the front side of first rectangular plate 2 is opened and is equipped with first screw hole, first screw hole and 5 threaded connection of bolt.

In this embodiment, the first thread groove is provided to perform positioning, so that the box body 1 is in threaded connection with the bolt 5, and the first thread hole is provided to perform positioning, so that the first rectangular plate 2 is in threaded connection with the bolt 5.

Specifically, a first rectangular hole is formed in the left side of the second toothed plate 23, the side wall of the first rectangular hole is slidably connected to the outer side of the second U-shaped rod 24, a second rectangular hole is formed in the left side of the third toothed plate 30, and the side wall of the second rectangular hole is slidably connected to the outer side of the third U-shaped rod 31.

In this embodiment, the first rectangular hole is arranged to play a role in positioning, so that the second toothed plate 23 is slidably connected to the second U-shaped rod 24, and the second rectangular hole is arranged to play a role in positioning, so that the third toothed plate 30 is slidably connected to the third U-shaped rod 31.

Specifically, a circular groove is formed in one side of each of the two fourth support rods 26, which is close to each other, a first bearing is fixedly mounted on the side wall of the circular groove, and the inner ring of the first bearing is fixedly connected with the outer side of the first circular rod 27.

In this embodiment, the first bearing is arranged to perform a positioning function, so that the first round bar 27 can only rotate but cannot move up and down and left and right.

Specifically, the front side of the third toothed plate 30 is provided with a second thread groove, the second thread groove is in threaded connection with the first screw rod 32, the front side of the fifth support rod 33 is provided with a first circular hole, the side wall of the first circular hole is fixedly provided with a second bearing, and the inner ring of the second bearing is fixedly connected with the outer side of the first screw rod 32.

In this embodiment, the second thread groove is provided to perform positioning, so that the third toothed plate 30 is in threaded connection with the first screw 32, and the second bearing is provided to perform positioning, so that the first screw 32 can only rotate and cannot move up and down and left and right.

Specifically, the front side of second rectangular plate 13 is opened and is equipped with the second screw hole, and second screw hole and 16 threaded connection of second screw rod place the front side inner wall of board 6 and seted up the second circular port, and the lateral wall fixed mounting of second circular port has the third bearing, the inner circle of third bearing and the outside fixed connection of second screw rod 16.

In this embodiment, the second screw hole is provided to perform positioning, so that the second rectangular plate 13 is in threaded connection with the second screw 16, and the third bearing is provided to perform positioning, so that the second screw 16 can only rotate and cannot move up and down and left and right.

Specifically, the left inner wall and the right inner wall of the placing plate 6 are both provided with clamping holes, and the side walls of the clamping holes are connected with the outer sides of the corresponding clamping rods 7 in a sliding mode.

In this embodiment, the positioning function is realized through the arrangement of the clamping holes, so that the placing plate 6 is slidably connected with the clamping rod 7.

The utility model discloses a theory of operation and use flow: when the box body is used, the bolt 5 is rotated to separate the bolt 5 from the box body 1, the first U-shaped rod 4 is pulled next, the first U-shaped rod 4 drives the first rectangular plate 2 to rotate, the box body 1 can be opened, when the distance between the two placing plates 6 needs to be adjusted, the lower surfaces of the placing plates 6 are held by hands, the second knob 15 is rotated reversely, the second knob 15 drives the second screw rod 16 to rotate, the second screw rod 16 drives the second rectangular plate 13 to move backwards on the two positioning rods 12, the second rectangular plate 13 drives the two connecting rods 14 to move and rotate, the connecting rods 14 drive the corresponding clamping rods 7 to separate from the corresponding clamping grooves 8, the clamping rods 7 drive the corresponding second rectangular rods 10 to slide on the first rectangular rods 9, at the moment, the springs 11 are in a stretching state, the placing plates 6 are moved next, when the clamping rods 7 are moved to a proper position, and the clamping rods 7 are aligned with another clamping groove 8 in the plurality of clamping grooves 8, the second knob 15 is rotated positively, the spring 11 is reset under the action of self elasticity and drives the clamping rod 7 to be clamped with another clamping groove 8 of the plurality of clamping grooves 8, and therefore the effect of adjusting the distance between the two placing plates 6 is achieved;

when the bottled utensil needs to be held and fixed, the bottled utensil is placed between the first arc-shaped plate 18 and the second arc-shaped plate 19 which are opposite, the first knob 34 is rotated, the first knob 34 drives the first screw 32 to rotate, the first screw 32 drives the third toothed plate 30 to slide on the third U-shaped rod 31, the third toothed plate 30 drives the second gear 29 to rotate, the second gear 29 drives the second circular rod 28 to rotate, the second circular rod 28 drives the two first gears 25 to rotate, the first gears 25 drive the corresponding first toothed plate 20 and the corresponding second toothed plate 23 to move in the direction away from each other, the second toothed plate 23 drives the corresponding third supporting rod 22 to move on the second U-shaped rod 24, the third supporting rod 22 drives the corresponding second arc-shaped plate 19 to move, the first toothed plate 20 drives the second supporting rod 21 to move in the moving process, the second supporting rod 21 drives the corresponding second arc-shaped plate 19 to move, and when the bottled utensil moves to a proper position, the first knob 34 stops rotating, thereby achieving the effect of holding and fixing the bottle-contained appliance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a paediatrics nursing apparatus places case, includes box (1), its characterized in that: the front side of the box body (1) is provided with a first rectangular plate (2), the left side of the box body (1) and the left side of the first rectangular plate (2) are rotatably provided with two hinges (3), the front side of the first rectangular plate (2) is fixedly provided with a first U-shaped rod (4), the front side of the box body (1) is provided with a bolt (5), the bolt (5) is in threaded connection with the box body (1), the bolt (5) is in threaded connection with the first rectangular plate (2), two placing plates (6) with cavities arranged inside are arranged in the box body (1), the upper surface of one placing plate (6) positioned below in the two placing plates (6) is fixedly provided with four first supporting rods (17), one side of the two opposite first supporting rods (17) close to each other is fixedly provided with a first arc-shaped plate (18), and the upper part of one placing plate (6) positioned below is provided with four second arc-shaped plates (19), two rectangular grooves are formed in the upper surface of the placing plate (6), a first toothed plate (20) is connected to the side wall of each rectangular groove in a sliding mode, a second supporting rod (21) is fixedly installed on the upper surface of each first toothed plate (20), the rear side of each second supporting rod (21) is fixedly connected with the front side of the corresponding second arc-shaped plate (19), a third supporting rod (22) is fixedly installed on the rear sides of the two second arc-shaped plates (19) on the front sides, a second toothed plate (23) is fixedly connected to the bottom end of each third supporting rod (22), two second U-shaped rods (24) are fixedly installed on the upper surface of the lower placing plate (6), the second U-shaped rods (24) are slidably connected with the corresponding second toothed plates (23), a first gear (25) is meshed with the side, close to the first toothed plate (20) and the second toothed plate (23), and two fourth supporting rods (26) are fixedly installed on the upper surface of the lower placing plate (6), one side, close to each other, of each of the two fourth support rods (26) is rotatably provided with a first round rod (27), one end, close to each other, of each of the two first round rods (27) is fixedly connected with one side, far away from each of the two first gears (25), one side, close to each other, of each of the two first gears (25) is fixedly provided with a second round rod (28), the outer side of each second round rod (28) is fixedly provided with a second gear (29), the outer side of each second gear (29) is meshed with a third toothed plate (30), the upper surface of one lower placing plate (6) is fixedly provided with a third U-shaped rod (31), the third U-shaped rod (31) is slidably connected with the third toothed plate (30), the front side of the third toothed plate (30) is in threaded connection with a first screw rod (32), the outer side of the first screw rod (32) is rotatably provided with a fifth support rod (33), the bottom end of the fifth support rod (33) is fixedly connected with the upper surface of one lower placing plate (6), the front end of the first screw rod (32) is fixedly provided with a first knob (34).

2. The pediatric nursing tool holding box according to claim 1, wherein: two clamping rods (7) are arranged in the placing plate (6), a plurality of clamping grooves (8) are formed in the left inner wall and the right inner wall of the box body (1), one ends, far away from each other, of the two clamping rods (7) extend out of the placing plate (6) and are clamped with the corresponding clamping grooves (8), a first rectangular rod (9) is fixedly connected between the left inner wall and the right inner wall of the placing plate (6), a second rectangular rod (10) is slidably connected to the outer side of the first rectangular rod (9), the front end of the second rectangular rod (10) is fixedly connected with the rear side of the corresponding clamping rod (7), a spring (11) is fixedly connected between one side, far away from each other, of the two second rectangular rods (10) and the left inner wall and the right inner wall of the placing plate (6), the spring (11) is movably sleeved on the outer side of the first rectangular rod (9), two positioning rods (12) are fixedly mounted on the front inner wall of the placing plate (6), the outside sliding connection of two locating levers (12) has second rectangular plate (13), second rectangular plate (13) rotate with kelly (7) and are connected with connecting rod (14), the front side of placing board (6) is equipped with second knob (15), the rear end fixed mounting of second knob (15) has second screw rod (16), the rear end of second screw rod (16) extend to place in board (6) and with second rectangular plate (13) threaded connection, place board (6) and second screw rod (16) and rotate and be connected.

3. The pediatric nursing tool holding box according to claim 1, wherein: the front side of box (1) is opened and is equipped with first thread groove, first thread groove and bolt (5) threaded connection, and the front side of first rectangular plate (2) is opened and is equipped with first screw hole, first screw hole and bolt (5) threaded connection.

4. The pediatric nursing tool holding box according to claim 1, wherein: a first rectangular hole is formed in the left side of the second toothed plate (23), the side wall of the first rectangular hole is in sliding connection with the outer side of the second U-shaped rod (24), a second rectangular hole is formed in the left side of the third toothed plate (30), and the side wall of the second rectangular hole is in sliding connection with the outer side of the third U-shaped rod (31).

5. The pediatric nursing tool holding box according to claim 1, wherein: circular grooves are formed in one side, close to each other, of each of the two fourth support rods (26), first bearings are fixedly mounted on the side walls of the circular grooves, and inner rings of the first bearings are fixedly connected with the outer sides of the first round rods (27).

6. The pediatric nursing tool holding box according to claim 1, wherein: the front side of third pinion rack (30) is opened and is equipped with the second thread groove, second thread groove and first screw rod (32) threaded connection, and the front side of fifth bracing piece (33) is opened and is equipped with first circular port, and the lateral wall fixed mounting of first circular port has the second bearing, the inner circle of second bearing and the outside fixed connection of first screw rod (32).

7. The pediatric nursing tool holding box of claim 2, wherein: the front side of second rectangular plate (13) is opened and is equipped with the second screw hole, and second screw hole and second screw rod (16) threaded connection place the front side inner wall of board (6) and seted up the second circular port, and the lateral wall fixed mounting of second circular port has the third bearing, the inner circle of third bearing and the outside fixed connection of second screw rod (16).

8. The pediatric nursing tool holding box of claim 2, wherein: the left inner wall and the right inner wall of the placing plate (6) are both provided with clamping holes, and the side walls of the clamping holes are in sliding connection with the outer sides of the corresponding clamping rods (7).