CN216148420U

CN216148420U - Chassis-free center control mechanism

Info

Publication number: CN216148420U
Application number: CN202122232584.3U
Authority: CN
Inventors: 李文建
Original assignee: Guangzhou Haokang Medical Instrument Co ltd
Current assignee: Guangzhou Haokang Medical Instrument Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-01
Anticipated expiration: 2031-09-15

Abstract

The utility model belongs to the technical field of a middle control mechanism and relates to a middle control mechanism without an underframe, wherein the middle control mechanism without the underframe comprises a first walking mechanism and a second walking mechanism, inner hexagonal swinging pieces are arranged on the first walking mechanism and the second walking mechanism, and the same middle control connecting rod is arranged on the two inner hexagonal swinging pieces. The underframe-free middle control mechanism has the advantages that the structure of the foot rest is simplified through the arrangement of the first walking mechanism, the second walking mechanism, the middle control connecting rod and the inner hexagonal swing part, after the underframe-free middle control mechanism is combined with the bed frame, the space under the bed is larger, more articles can be placed in the space left under the bed, the utilization of the space is improved, and the daily cleaning work is facilitated.

Description

Chassis-free center control mechanism

Technical Field

The utility model belongs to the technical field of a middle control mechanism, and particularly relates to a chassis-free middle control mechanism.

Background

The existing foot rest is combined with a bedstead and then used, but the bottom structures of most foot rests are more, so that the space under the bed is more, articles are not conveniently placed and the foot rest is not conveniently cleaned.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a chassis-free center control mechanism, which solves the technical problems that bed frames are more in structure, the structures under a bed are more, and articles are not conveniently placed and cleaning is not convenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the chassis-free center control mechanism comprises a first walking mechanism and a second walking mechanism, wherein the first walking mechanism and the second walking mechanism are both provided with inner hexagonal swinging pieces, and the two inner hexagonal swinging pieces are provided with the same center control connecting rod.

First running gear and second running gear's structure is the same, first running gear includes two well accuse truckles, two all be provided with the set casing on the well accuse truckle, two all be provided with brake assembly in the set casing, well accuse truckle rotates and connects on the set casing, just fixedly connected with fixed disk on the well accuse truckle, two be connected with same well accuse hexagonal pole on the set casing, be provided with well accuse footboard on the second running gear.

As a further scheme of the utility model: the adversion of brake subassembly includes the two-way threaded rod, the two-way threaded rod rotates to be connected in the set casing, threaded connection has two screw thread section of thick bamboo, two on the screw thread section of thick bamboo equal fixedly connected with brake block, two the brake block is located the both sides of fixed disk, fixedly connected with telescopic link in the brake subassembly, the one end of telescopic link and one side fixed connection of brake block, fixedly connected with driven gear on the two-way threaded rod.

As a further scheme of the utility model: one end of the central control hexagonal rod penetrates through the fixed shell and is connected in the fixed shell in a rotating mode, a driving gear is fixedly connected to the central control hexagonal rod located in the fixed shell, and the driving gear is in transmission connection with the driven gear through a toothed chain.

As a further scheme of the utility model: the central control pedal comprises a connecting piece and an anti-skid pedal, the connecting piece is fixedly connected to the central control hexagonal rod of the second walking mechanism, the anti-skid pedal is connected with the connecting piece in a clamped mode, and the anti-skid pedal is fixed with the connecting piece through a fixing bolt.

As a further scheme of the utility model: the two inner hexagonal swinging pieces are respectively and fixedly connected to the central control hexagonal rods of the first traveling mechanism and the second traveling mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

1. this control mechanism in no chassis through the setting of first running gear, second running gear, well accuse connecting rod and hexagon socket head goods of furniture for display rather than for use, has simplified the structure of foot rest, makes the space under the bed bigger after making up with the bedstead, and more article can be placed in the space vacated under the bed, improve the utilization in space, also make things convenient for daily cleaning work.

2. This control mechanism in no chassis, through the setting of brake subassembly and well accuse footboard etc. through controlling the footboard in with foot operation, control connecting rod and interior hexagonal pendulum piece in driving in proper order, interior hexagonal pendulum piece drives the hexagonal pole and rotates to control the interior brake subassembly work of truckle in the drive, thereby realize four truckles brake simultaneously or the unblock.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic structural view of the brake assembly of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the pedal of the present invention;

in the figure: 1. a first travel mechanism; 101. a central control hexagonal rod; 102. a stationary case; 103. a central control caster; 2. a second traveling mechanism; 3. a toothed chain; 4. inner hexagonal swing pieces; 5. a central control connecting rod; 6. a central control pedal; 601. an anti-skid pedal; 602. a connecting member; 603. fixing the bolt; 7. a driving gear; 8. fixing the disc; 9. a telescopic rod; 10. a bidirectional threaded rod; 11. a brake pad; 12. a threaded barrel; 13. a driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a bottom-chassis-free center control mechanism in the following technical scheme, which includes a first traveling mechanism 1 and a second traveling mechanism 2, wherein the first traveling mechanism 1 and the second traveling mechanism 2 are both provided with inner hexagonal swinging pieces 4, the two inner hexagonal swinging pieces 4 are provided with a same center control connecting rod 5, and the structure of a foot rest is simplified by the arrangement of the first traveling mechanism 1, the second traveling mechanism 2, the center control connecting rod 5 and the inner hexagonal swinging pieces, so that after the bottom-chassis-free center control mechanism is combined with a bed frame, the space under the bed is relatively large, more articles can be placed in the space under the bed, the utilization of the space is improved, and the daily cleaning work is facilitated.

The first traveling mechanism 1 and the second traveling mechanism 2 have the same structure, the first traveling mechanism 1 comprises two central control caster wheels 103, the two central control caster wheels 103 are respectively provided with a fixed shell 102, the two fixed shells 102 are respectively provided with a brake component, the central control caster wheels 103 are rotatably connected to the fixed shells 102, the central control caster wheels 103 are fixedly connected with a fixed disk 8, the two fixed shells 102 are connected with the same central control hexagonal rod 101, the second traveling mechanism 2 is provided with a central control pedal 6, the two inner hexagonal swing pieces 4 are respectively and fixedly connected to the central control hexagonal rods 101 of the first traveling mechanism 1 and the second traveling mechanism 2, the central control connecting rod 5 and the inner swing piece 4 are sequentially driven by operating the central control pedal 6 by feet through the arrangement of the brake components and the central control pedal 6, the inner hexagonal swing piece 4 drives the hexagonal rods to rotate and drives the brake components in the central control caster wheels 103 to work, thereby realizing the simultaneous braking or unlocking of the four castors.

Specifically, a bidirectional threaded rod 10 is rotatably connected in a fixed shell 102 in a brake assembly, two threaded cylinders 12 are connected to the bidirectional threaded rod 10 in a threaded manner, brake pads 11 are fixedly connected to the two threaded cylinders 12, the two brake pads 11 are positioned on two sides of a fixed disk 8, a telescopic rod 9 is fixedly connected in the brake assembly, one end of the telescopic rod 9 is fixedly connected with one side of the brake pad 11, a driven gear 13 is fixedly connected to the bidirectional threaded rod 10, one end of a central control hexagonal rod 101 penetrates through the fixed shell 102 and is rotatably connected in the fixed shell 102, a driving gear 7 is fixedly connected to the central control hexagonal rod 101 positioned in the fixed shell 102, the driving gear 7 is in transmission connection with the driven gear 13 through a toothed chain 3, and the central control hexagonal rod 101 can drive the driving gear 7 to rotate under the combined action of the bidirectional threaded rod 10, the threaded cylinders 12, the telescopic rod 9, the brake pads 11, the toothed chain 3 and the like, under the transmission action of the toothed chain 3, the brake pad 11 can be taken to fix the fixed disk 8, and on the contrary, the brake pad 11 can not fix the fixed disk 8 any more.

Specifically, the central control pedal 6 includes a connecting member 602 and an anti-skid pedal 601, the connecting member 602 is fixedly connected to the central control hexagonal rod 101 of the second traveling mechanism 2, the anti-skid pedal 601 is connected to the connecting member 602 in a clamping manner, the anti-skid pedal 601 and the connecting member 602 are fixed by a fixing bolt 603, the anti-skid pedal 601 is a consumable, and through the setting of the fixing bolt 603, when the anti-skid pedal 601 is damaged, the anti-skid pedal 601 can be replaced.

The working principle of the utility model is as follows:

the middle control pedal 6 is operated by feet, a middle control rod and an inner hexagonal swinging piece 4 are sequentially driven, the inner hexagonal swinging piece 4 drives a hexagonal rod to rotate and drives a driving gear 7 to rotate, the driving gear 7 is in transmission connection with a driven gear 13 through a toothed chain 3, so that a bidirectional threaded rod 10 can be driven to rotate, under the limiting action of a telescopic rod 9, two threaded cylinders 12 drive two brake pads 11 to move towards the mutually approaching direction, the two brake pads 11 fix a fixed disc 8, and the simultaneous braking of four casters is realized;

when the foot does not operate the central control pedal 6, the structures of the central control connecting rod 5, the inner hexagonal swing sheet 4 and the like move in the reverse direction, the fixed disc 8 is not fixed by the two brake sheets 11, and therefore simultaneous unlocking of the four trundles is achieved.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. No chassis well control mechanism, including first running gear (1) and second running gear (2), its characterized in that: the first traveling mechanism (1) and the second traveling mechanism (2) are both provided with inner hexagonal swinging pieces (4), and the two inner hexagonal swinging pieces (4) are provided with the same central control connecting rod (5);

the structure of first running gear (1) and second running gear (2) is the same, first running gear (1) is including two well accuse truckles (103), two all be provided with set casing (102) on well accuse truckle (103), two all be provided with brake assembly in set casing (102), well accuse truckle (103) are rotated and are connected on set casing (102), just fixedly connected with fixed disk (8), two on well accuse truckle (103) be connected with same well accuse hexagonal pole (101) on set casing (102), be provided with well accuse footboard (6) on second running gear (2).

2. The undercarriage-less control mechanism of claim 1 wherein: the adversion of brake subassembly includes two-way threaded rod (10), two-way threaded rod (10) are rotated and are connected in set casing (102), threaded connection has two screw thread section of thick bamboo (12), two on two-way threaded rod (10) equal fixedly connected with brake block (11), two brake block (11) are located the both sides of fixed disk (8), fixedly connected with telescopic link (9) in the brake subassembly, one side fixed connection of one end and brake block (11) of telescopic link (9), fixedly connected with driven gear (13) on two-way threaded rod (10).

3. The undercarriage-free center control mechanism of claim 2 wherein: one end of the central control hexagonal rod (101) penetrates through the fixed shell (102) and is connected in the fixed shell (102) in a rotating mode, a driving gear (7) is fixedly connected to the central control hexagonal rod (101) located in the fixed shell (102), and the driving gear (7) is in transmission connection with the driven gear (13) through the toothed chain (3).

4. The undercarriage-less control mechanism of claim 1 wherein: well accuse footboard (6) are including connecting piece (602) and skid resistant pedal (601), connecting piece (602) fixed connection is on well accuse hexagonal pole (101) of second running gear (2), skid resistant pedal (601) and connecting piece (602) looks joint, skid resistant pedal (601) are fixed through fixing bolt (603) with connecting piece (602).

5. The undercarriage-less control mechanism of claim 1 wherein: the two inner hexagonal swinging pieces (4) are respectively and fixedly connected to the central control hexagonal rods (101) of the first traveling mechanism (1) and the second traveling mechanism (2).