CN212124743U

CN212124743U - Wheel brake and fixing device for pediatric medical bed

Info

Publication number: CN212124743U
Application number: CN202020142614.4U
Authority: CN
Inventors: 杨宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-12-11
Anticipated expiration: 2030-01-22

Abstract

The utility model discloses a paediatrics is wheel brake and fixing device for medical bed, including the wheel frame, the shape of wheel frame is "U" type structure, and the bottom bilateral symmetry of wheel frame runs through and has seted up the bolt locating hole, the inboard rotation in bottom of wheel frame is connected with the wheel, and the top of wheel frame has seted up the bearing mounting groove, the bottom of bearing mounting groove runs through and has seted up the brake block mounting hole, swing joint has the brake block in the brake block mounting hole, the top of brake block is provided with spacing post, first reset spring has been cup jointed in the outside of spacing post, the top fixedly connected with separation blade of spacing post, the inside of bearing mounting groove is provided with the bearing, the inside fixedly connected with erection column of bearing, first locating part has been cup jointed in the outside of erection column. The utility model has the characteristics of rational in infrastructure, convenient operation not only can effectually let the rotation that realizes the control wheel, can also realize the rotation of control direction simultaneously.

Description

Wheel brake and fixing device for pediatric medical bed

Technical Field

The utility model relates to a spare part technical field of medical bed specifically is a wheel brake and fixing device for paediatrics medical bed.

Background

With the continuous progress of medical level, the medical bed has become an indispensable tool for people in the treatment and rehabilitation process. In order to facilitate the pushing of patients to the medical services of examination and the like, a plurality of medical beds used at present are provided with wheels, most of the wheels are universal wheels, and the universal wheels have two advantages and are convenient to move and steer.

The applicant of the utility model finds that the existing brake fixing device for the universal wheel only can control the walking function of the universal wheel and cannot control the steering function of the universal wheel simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wheel brake and fixing device for paediatrics medical bed aims at improving current brake fixing device to the universal wheel and only can control the walking function of universal wheel, can not control the problem of the function that turns to of universal wheel simultaneously.

The utility model discloses a realize like this:

a wheel brake and fixing device for a pediatric medical bed comprises a wheel frame, wherein the wheel frame is in a U-shaped structure, bolt positioning holes are symmetrically formed in two sides of the bottom of the wheel frame in a penetrating mode, wheels are rotatably connected to the inner side of the bottom of the wheel frame in a rotating mode, a bearing mounting groove is formed in the top of the wheel frame, a brake pad mounting hole is formed in the bottom of the bearing mounting groove in a penetrating mode, a brake pad is movably connected into the brake pad mounting hole, a limiting column is arranged at the top of the brake pad, a first reset spring is sleeved on the outer side of the limiting column, a blocking piece is fixedly connected to the top of the limiting column, a bearing is arranged inside the bearing mounting groove, a mounting column is fixedly connected to the inside of the bearing, a first limiting piece is sleeved on the outer side of the mounting column, the bottom of the first limiting piece is fixedly connected with the top of the wheel frame, spacing draw-in groove has been seted up to the side of erection column, the inside of spacing draw-in groove is provided with the gag lever post, the top fixedly connected with spring fixing base of gag lever post, second reset spring has been cup jointed in the outside of spring fixing base, second reset spring's other end fixed connection is at the top of second notch, the top of gag lever post still is provided with brake pedal, brake pedal is ring type structure, the bottom fixedly connected with depression bar of gag lever post, the axle center of depression bar and the axle center of spring fixing base are on same straight line down, fixedly connected with second locating part is still gone back to the bottom of gag lever post.

Furthermore, the bolt is inserted into the bolt positioning hole, the nut is screwed at one end of the bolt, the wheel is rotatably connected to the inner side of the bottom of the wheel frame through the matching of the bolt and the nut, and the wheel can be conveniently and independently replaced in the later period when the wheel goes wrong through the arrangement of the bolt and the nut.

Furthermore, the spring fixing seat is located at the center of the brake pedal, the inner diameter of the brake pedal is slightly larger than the outer diameter of the mounting column, the downward movement of the brake pedal can be facilitated by setting the diameter of the brake pedal to be slightly larger than the outer diameter of the mounting column, and the starting of the brake mechanism is facilitated.

Furthermore, the longitudinal section of the brake pad is of a semicircular structure, rubber is arranged on the inner side wall of the brake pad of the semicircular structure, the radius of the brake pad is slightly larger than the outer diameter of the wheel, and the friction force between the brake pad and the wheel can be effectively increased by arranging the rubber on the inner side wall of the brake pad.

Further, spacing draw-in groove sets up to two, and these two spacing draw-in grooves all are located the side of erection column, is for letting through setting up two spacing draw-in grooves the utility model discloses a brake braking mechanism is more stable.

Further, the external diameter of depression bar slightly is lighter than the internal diameter of second notch down, can do benefit to the depression bar like this and move in the second notch down to trigger the brake block downstream.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the characteristics of rational in infrastructure, convenient operation not only can effectually let the rotation that realizes the control wheel, can also realize the rotation of control direction simultaneously.

(1) The utility model discloses a set up first notch in the bottom of erection column, and the side of erection column has seted up spacing draw-in groove, the inside of spacing draw-in groove is provided with the gag lever post, the top fixedly connected with spring fixing base of gag lever post, the outside of spring fixing base has cup jointed second reset spring, the other end fixedly connected with at the top of first notch of second reset spring, the top of gag lever post still is provided with brake pedal, the bottom fixedly connected with depression bar of gag lever post, the axle center of depression bar and the axle center of spring fixing base are on the same straight line, the bottom of gag lever post still fixedly connected with second locating part, the lower pressure rod is arranged to trigger the brake mechanism, and the lower pressure rod is contacted with the connecting baffle plate, can let brake block downstream play the effect of wheel braking with the wheel contact, can realize realizing controlling with mutually supporting of first locating part through setting up the second locating part the utility model discloses a turn to the function.

(2) The utility model discloses a be the ring loop shape structure with brake pedal, spring fixing base is located brake pedal's center department, and brake pedal's diameter slightly is greater than the external diameter of erection column, and the downward movement that can be convenient for brake pedal through the external diameter that sets up brake pedal for slightly being greater than the erection column does benefit to start brake mechanism, and spacing draw-in groove sets up to two, and these two spacing draw-in grooves all are located the side of erection column, is for letting through setting up two spacing draw-in grooves the utility model discloses a brake braking mechanism is more stable, and the external diameter of depression bar slightly is less than the internal diameter of second notch down, can do benefit to down the depression bar like this and move in the second notch to trigger the brake block downstream.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a wheel brake and fixing device for a pediatric medical bed according to the present invention;

fig. 2 is an exploded view of the wheel brake and fixing device for a pediatric medical bed according to the present invention;

fig. 3 is a schematic structural view of a brake pedal of the wheel brake and fixing device for the pediatric medical bed of the present invention;

fig. 4 is a first schematic structural view of the mounting post of the wheel brake and fixing device for the pediatric medical bed of the present invention;

FIG. 5 is a schematic structural view of a mounting post of the wheel brake and fixing device for a pediatric medical bed according to the present invention;

fig. 6 is a schematic structural view of a wheel frame of the wheel brake and fixing device for the pediatric medical bed of the present invention;

fig. 7 is the utility model relates to a paediatrics is wheel brake and fixing device's for medical bed brake block's structural schematic diagram.

In the figure: 1. a wheel frame; 11. bolt positioning holes; 101. a bearing; 12. a bearing mounting groove; 121. a brake pad mounting hole; 2. a brake pad; 21. a limiting column; 201. a first return spring; 202. a baffle plate; 3. a first limit piece; 4. a brake pedal; 41. a second limiting member; 42. a limiting rod; 43. a spring fixing seat; 44. a lower pressure lever; 405. a second return spring; 5. mounting a column; 51. a limiting clamping groove; 52. a first notch; 521. a second notch; 6. a wheel; 7. a bolt; 71. and (4) a nut.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Embodiment 1, please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, a wheel brake and fixing device for a pediatric hospital bed, comprising a wheel frame 1, wherein the wheel frame 1 is in a U-shaped structure, bolt positioning holes 11 are symmetrically formed through two sides of the bottom of the wheel frame 1, a wheel 6 is rotatably connected to the inner side of the bottom of the wheel frame 1, a bolt 7 is inserted into the bolt positioning hole 11, a nut 71 is screwed at one end of the bolt 7, the wheel 6 is rotatably connected to the inner side of the bottom of the wheel frame 1 through the matching of the bolt 7 and the nut 71, which is advantageous in that the assembly of the wheel 6 is facilitated, because the use frequency of the wheel 6 is very high, if a problem occurs, the moving effect of the whole hospital, therefore, the wheel can be replaced independently without replacing the whole body by adopting the matching connection mode of the bolt 7 and the nut 71, unnecessary part waste can be reduced, the bearing mounting groove 12 is arranged at the top part of the wheel frame 1, the function of convenient steering is realized by arranging the bearing mounting groove 12, the brake block mounting hole 121 is arranged at the bottom part of the bearing mounting groove 12 in a penetrating way, the brake block 2 is movably connected in the brake block mounting hole 121, the longitudinal section of the brake block 2 is of a semicircular structure, rubber is arranged on the inner side wall of the semicircular structure brake block 2, the radius of the brake block 2 is slightly larger than the outer diameter of the wheel 6, the rubber is arranged on the inner side wall of the brake block 2 to increase the friction force between the brake block 2 and the wheel 6, when braking is needed, the wheel 6 can be quickly stopped to rotate,

embodiment 2, please refer to fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, a limiting post 21 is disposed on the top of the brake pad 2, a first return spring 201 is sleeved on the outer side of the limiting post 21, a stop piece 202 is fixedly connected to the top of the limiting post 21, the first return spring 201 is sleeved on the outer side of the limiting post 21 to automatically separate the brake pad 2 from the wheel 6, the connection between the stop piece 202 and the limiting post 21 can be a clamping groove connection, so as to facilitate the replacement of the brake pad 2, the bearing 101 is disposed in the bearing mounting groove 12, the mounting post 5 is fixedly connected to the inside of the bearing 101, the first limiting member 3 is sleeved on the outer side of the mounting post 5, the bottom of the first limiting member 3 is fixedly connected to the top of the wheel frame 1, and the steering function of the present invention can be controlled by disposing the first limiting member 3, so as to improve, the bottom of the mounting column 5 is provided with a first notch 52, the side surface of the mounting column 5 is provided with a limiting clamping groove 51, the inside of the limiting clamping groove 51 is provided with a limiting rod 42, the top of the limiting rod 42 is fixedly connected with a spring fixing seat 43, the outer side of the spring fixing seat 43 is sleeved with a second reset spring 405, the other end of the second reset spring 405 is fixedly connected with the top of the first notch 52, the top of the limiting rod 42 is also provided with a brake pedal 4, the brake pedal 4 is fixedly connected with a lower pressure rod 44, the bottom of the limiting rod 42 is fixedly connected with a lower pressure rod 44, the axis of the lower pressure rod 44 and the axis of the spring fixing seat 43 are on the same straight line, the bottom of the limiting rod 42 is also fixedly connected with a second limiting part 41, the lower pressure rod 44 is arranged for triggering the brake mechanism, and the brake pad 2 can move downwards to contact with the wheel 6 through, can realize realizing controlling with mutually supporting of first locating part 3 through setting up second locating part 41 the utility model discloses a turn to the function, brake pedal 4 is the ring structure, spring fixing base 43 is located brake pedal 4's center department, brake pedal 4's diameter slightly is greater than the external diameter of erection column 5, can be convenient for brake pedal 4's downstream through the diameter with brake pedal 4 sets up to slightly being greater than the external diameter of erection column 5, do benefit to and start brake mechanism, spacing draw-in groove 51 sets up to two, and these two spacing draw-in grooves 51 all are located the side of erection column 5, be for letting through setting up two spacing draw-in grooves 51 the utility model discloses a brake braking mechanism is more stable, and the external diameter of depression bar 44 slightly is less than the internal diameter of second notch 521 down, can do benefit to the depression bar and move in the second notch like this to trigger the brake block downstream.

The utility model discloses a theory of operation: when the utility model discloses in the time of need braking, only need to step on brake pedal 4 with the foot, can realize control through mutually supporting of first locating part 3 and second locating part 41 the utility model discloses a turn to the function, thereby can let brake block 2 move down through depression bar 44 and separation blade 202's contact can with the rotation that the wheel 6 contact realization controlled wheel, when not needing the brake, can step on brake pedal 4 with the foot and just can relieve the brake.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 is wheel brake and fixing device for medical bed, includes wheel frame (1), its characterized in that: the wheel frame (1) is of a U-shaped structure, bolt positioning holes (11) are symmetrically formed in two sides of the bottom of the wheel frame (1) in a penetrating mode, wheels (6) are rotatably connected to the inner side of the bottom of the wheel frame (1), a bearing installation groove (12) is formed in the top of the wheel frame (1), a brake pad installation hole (121) is formed in the bottom of the bearing installation groove (12) in a penetrating mode, a brake pad (2) is movably connected into the brake pad installation hole (121), a limiting column (21) is arranged on the top of the brake pad (2), a first reset spring (201) is sleeved on the outer side of the limiting column (21), a blocking piece (202) is fixedly connected to the top of the limiting column (21), a bearing (101) is arranged inside the bearing installation groove (12), an installation column (5) is fixedly connected to the inside of the bearing (101), a first limiting piece (3) is sleeved on the outer side of the installation column (, the bottom of the first limiting part (3) is fixedly connected with the top of the wheel frame (1), the bottom of the mounting column (5) is provided with a first notch (52), the top of the first notch (52) is provided with a second notch (521), the side surface of the mounting column (5) is provided with a limiting clamping groove (51), a limiting rod (42) is arranged inside the limiting clamping groove (51), the top of the limiting rod (42) is fixedly connected with a spring fixing seat (43), the outer side of the spring fixing seat (43) is sleeved with a second return spring (405), the other end of the second return spring (405) is fixedly connected with the top of the second notch (521), the top of the limiting rod (42) is also provided with a brake pedal (4), the brake pedal (4) is of a circular ring type structure, and the bottom of the limiting rod (42) is fixedly connected with a lower pressing rod (44), the axle center of the lower pressure rod (44) and the axle center of the spring fixing seat (43) are on the same straight line, and the bottom of the limiting rod (42) is also fixedly connected with a second limiting part (41).

2. The wheel brake and fixation device for the pediatric medical bed as defined in claim 1, wherein a bolt (7) is inserted into the bolt positioning hole (11), a nut (71) is screwed at one end of the bolt (7), and the wheel (6) is rotatably connected to the inner side of the bottom of the wheel frame (1) through the cooperation of the bolt (7) and the nut (71).

3. The wheel brake and fixation device for pediatric medical bed according to claim 2, wherein the spring fixation seat (43) is located at the center of the brake pedal (4), and the inner diameter of the brake pedal (4) is slightly larger than the outer diameter of the mounting post (5).

4. The wheel brake and fixing device for the pediatric medical bed as defined in claim 3, wherein the longitudinal section of the brake block (2) is a semicircular structure, rubber is disposed on the inner side wall of the brake block (2) in the semicircular structure, and the radius of the brake block (2) is slightly larger than the outer diameter of the wheel (6).

5. The wheel brake and fixation device for pediatric medical bed according to claim 4, wherein the number of the limit slots (51) is two, and the two limit slots (51) are located on the side surface of the mounting post (5).

6. The wheel brake and fixation device for pediatric medical bed as defined in claim 5, wherein the outer diameter of the pressing rod (44) is slightly smaller than the inner diameter of the second notch (521).