CN220757586U - Multi-wheel chassis linkage brake structure - Google Patents
Multi-wheel chassis linkage brake structure Download PDFInfo
- Publication number
- CN220757586U CN220757586U CN202322222597.1U CN202322222597U CN220757586U CN 220757586 U CN220757586 U CN 220757586U CN 202322222597 U CN202322222597 U CN 202322222597U CN 220757586 U CN220757586 U CN 220757586U
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- central control
- vertical
- rod
- locking block
- pedal
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- 235000004443 Ricinus communis Nutrition 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a multi-wheel chassis linkage brake structure, which relates to the technical field of medical bed equipment, and comprises a base and a bracket, wherein a vertical pedal is arranged at the end part of a vertical long rod; the outer wall of vertical stock is provided with the resilience subassembly. According to the utility model, the rebound mechanism is arranged, when the vertical pedal is in a horizontal state and the gear is not changed when the vertical pedal is lightly stepped on, the vertical long rod rotates to drive the L-shaped rotary seat to squeeze the roller, so that the roller drives the fixed rod and the rotating arm to rotate, and the vertical long rod enables the central control trundle control rod to rotate to lock the central control trundle through the linkage assembly; when the force applied to the vertical pedal is canceled, the connecting spring pulls the rotating arm to drive the fixed rod and the idler wheel to rotate, so that the idler wheel pushes the L-shaped swivel base, the vertical long rod drives the vertical pedal to reset and rebound to the initial position under the running state, and the vertical long rod enables the central control caster control rod to rotate to unlock the central control caster through the linkage assembly, so that the moving speed reduction of the medical bed is realized.
Description
Technical Field
The utility model relates to the technical field of medical bed equipment, in particular to a multi-wheel chassis linkage brake structure.
Background
When a patient with serious illness or a patient with inconvenient operation is moved in a hospital, the patient is often born by the medical bed, the bottom of the medical bed is generally fixed with a movable frame to control the movement of the medical bed, and the medical bed is fixed by a brake structure in the movable frame.
When the patient needs to be rescued, the medical bed needs to be moved fast at the moment, because the medical bed is heavy and the moving speed is too fast, when meeting the place that needs to turn, the medical bed can collide because the inertia that the medical bed moves fast and produces is too big, and the gear of the hollow truckle of the bottom movable frame of the existing medical bed can only be adjusted from locking and unlocking between the two, so that the medical bed is difficult to be decelerated in moving, and based on the gear, the multi-wheel chassis linkage brake structure is provided.
Disclosure of Invention
The utility model aims at: in order to solve the problem that the movable brake of the medical bed is difficult to decelerate, a multi-wheel chassis linkage brake structure is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the multi-wheel chassis linkage brake structure comprises a base, wherein a bracket is fixedly connected to the end part of the base, a plurality of fixing pieces which are arranged in parallel are arranged on one side of the base, vertical long rods are fixed on the inner sides of the fixing pieces, and vertical pedals are arranged at the end parts of the vertical long rods;
the outer wall of the vertical long rod is provided with a rebound assembly, and the rebound assembly is used for enabling the vertical pedal to reset and rebound to an initial position under the running state;
the rebound assembly comprises an L-shaped swivel mount, a sliding chute, a locking block, a pressure spring, a fixed arm, a rotating arm, a fixed rod, a roller, a connecting spring and a limiting block;
the L-shaped rotary seat is fixedly connected to the outer wall of the vertical long rod, the sliding groove is formed in the L-shaped rotary seat, the locking block is slidably connected to the inner wall of the sliding groove, and the pressure spring is positioned in the sliding groove, and two ends of the pressure spring are fixedly connected to the sliding groove and the locking block respectively;
the fixed arm is fixedly arranged on one side of the base close to the vertical long rod, the rotating arm is rotationally connected with the fixed arm, the fixed rod is fixedly connected with one end of the rotating arm and penetrates through the rotating arm, the idler wheel is rotationally connected with one end of the fixed rod and is in sliding connection with the outer wall of the L-shaped rotary seat, and two ends of the connecting spring are respectively and fixedly connected with the other ends of the base and the fixed rod;
the end shaping of L type swivel mount has the stopper, the stopper is hook-shaped and the length of stopper is greater than the length of gyro wheel.
As still further aspects of the utility model: the utility model discloses a well accuse truckle is installed to the both ends of support, two well accuse truckle control lever is installed to the top inboard of well accuse truckle, well accuse truckle control lever is used for controlling the rotation of well accuse truckle, the outer wall of well accuse truckle control lever is connected with the linkage subassembly, and well accuse truckle control lever passes through the linkage subassembly and is connected with vertical stock transmission.
As still further aspects of the utility model: polygonal blocks are formed at two ends of the central control castor control rod, extend to penetrate into the inner side of the central control castor, and rotate to screw gear shifting parts in the central control castor through the polygonal blocks at the end parts, so that gear adjusting operation of the central control castor is achieved.
As still further aspects of the utility model: when the vertical pedal is in a horizontal state, the central control castor is in a complete unlocking gear, and the idler wheel is positioned in the middle of the L-shaped swivel mount;
when the vertical pedal is in a left-right inclined state, the central control castor is in a complete locking stop position or a directional locking stop position, and the idler wheel is positioned at the end part of the L-shaped swivel base and is locked by the locking block.
As still further aspects of the utility model: the surface of the locking block, which is in contact with the fixed rod, is provided with a cambered surface, the other surface is provided with an inclined surface, and the inclined surface is close to the end part of the L-shaped rotary seat;
when the vertical pedal is lightly stepped on but the gear is not changed, the fixed rod does not slide to the highest point of the locking block;
the connection resistance between the inclined surface of the locking block and the outer wall of the fixed rod is larger than the tensile force of the connecting spring.
As still further aspects of the utility model: the length of the sliding groove is greater than that of the locking block.
Compared with the prior art, the utility model has the beneficial effects that:
through arranging the rebound mechanism, when the vertical pedal is in a horizontal state and the gear is not changed when the vertical pedal is lightly stepped on, the vertical long rod rotates to drive the L-shaped rotary seat to squeeze the idler wheel, so that the idler wheel drives the fixed rod and the rotating arm to rotate, and the vertical long rod enables the central control trundle control rod to rotate to lock the central control trundle through the linkage assembly; when the force applied to the vertical pedal is canceled, the connecting spring pulls the rotating arm to drive the fixed rod and the idler wheel to rotate, so that the idler wheel pushes the L-shaped swivel base, the vertical long rod drives the vertical pedal to reset and rebound to the initial position under the running state, and the vertical long rod enables the central control caster control rod to rotate to unlock the central control caster through the linkage assembly, so that the moving speed reduction of the medical bed is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a rebound mechanism of the present utility model;
FIG. 3 is a schematic view of a linkage assembly of the present utility model;
FIG. 4 is a schematic diagram showing the internal structure of the L-shaped swivel base of the utility model.
In the figure: 1. a base; 2. a bracket; 3. a fixing member; 4. a vertical long rod; 5. a vertical pedal; 6. a rebound mechanism; 601. an L-shaped swivel base; 602. a chute; 603. a locking block; 604. a pressure spring; 605. a fixed arm; 606. a rotating arm; 607. a fixed rod; 608. a roller; 609. a connecting spring; 7. a central control castor; 8. a central caster control lever; 9. and a linkage assembly.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in an embodiment of the present utility model, a multi-wheel chassis linkage brake structure includes a base 1, an end of the base 1 is fixedly connected with a bracket 2, one side of the base 1 is provided with a plurality of fixing members 3 arranged in parallel, an inner side of the fixing member 3 is fixed with a vertical long rod 4, and an end of the vertical long rod 4 is provided with a vertical pedal 5;
the outer wall of the vertical long rod 4 is provided with a rebound assembly 6, and the rebound assembly 6 is used for resetting and rebounding the vertical pedal 5 to an initial position under the running state;
the rebound assembly 6 comprises an L-shaped swivel base 601, a sliding groove 602, a locking block 603, a pressure spring 604, a fixed arm 605, a rotating arm 606, a fixed rod 607, a roller 608, a connecting spring 609 and a limiting block 610;
the L-shaped rotary seat 601 is fixedly connected to the outer wall of the vertical long rod 4, the sliding groove 602 is formed in the L-shaped rotary seat 601, the locking block 603 is slidably connected to the inner wall of the sliding groove 602, the pressure spring 604 is located in the sliding groove 602, and two ends of the pressure spring are fixedly connected to the sliding groove 602 and the locking block 603 respectively;
the fixed arm 605 is fixedly arranged on one side of the base 1, which is close to the vertical long rod 4, the rotating arm 606 is rotationally connected with the fixed arm 605, the fixed rod 607 is fixedly connected with one end of the rotating arm 606 and penetrates through the rotating arm 606, the roller 608 is rotationally connected with one end of the fixed rod 607 and is in sliding connection with the outer wall of the L-shaped rotary seat 601, and two ends of the connecting spring 609 are respectively fixedly connected with the base 1 and the other end of the fixed rod 607;
the end of the L-shaped rotary seat 601 is provided with a limiting block 610, the limiting block 610 is in a hook shape, and the length of the limiting block 610 is longer than that of the roller 608;
the two ends of the bracket 2 are provided with central control casters 7, the inner sides of the top ends of the two central control casters 7 are provided with central control caster control rods 8, the central control caster control rods 8 are used for controlling the rotation of the central control casters 7, the outer walls of the central control caster control rods 8 are connected with linkage assemblies 9, and the central control caster control rods 8 are in transmission connection with the vertical long rods 4 through the linkage assemblies 9;
polygonal blocks are formed at two ends of the central control castor control rod 8 and extend to penetrate through the inner side of the central control castor 7, and the central control castor control rod 8 can screw gear shifting parts in the central control castor 7 through the polygonal blocks at the end parts when rotating, so that gear adjusting operation of the central control castor 7 is realized;
when the vertical pedal 5 is in a horizontal state, the central control castor 7 is in a complete unlocking gear, and the roller 608 is positioned in the middle of the L-shaped swivel mount 601;
when the vertical pedal 5 is in a left-right inclined state, the central control castor 7 is in a complete locking stop position or a directional locking stop position, and the roller 608 is positioned at the end part of the L-shaped swivel mount 601 and is locked by the locking block 603;
the surface of the locking block 603 contacted with the fixing rod 607 is provided with a cambered surface on one side and an inclined surface on the other side, and the inclined surface is close to the end part of the L-shaped rotary seat 601;
when the vertical pedal 5 is lightly stepped on but the gear is not changed, the fixing lever 607 does not slide to the highest point of the locking block 603;
the connection resistance between the inclined surface of the locking block 603 and the outer wall of the fixing rod 607 is larger than the tension of the connecting spring 609;
the length of the slide groove 602 is greater than the length of the locking block 603.
In this embodiment: when the device moves, the vertical pedal 5 is in a horizontal state, the central control castor 7 is unlocked, and the base 1 can move transversely and forwards and backwards at the moment;
when the vertical pedal 5 is stepped but the gear is not stepped, the vertical long rod 4 drives the L-shaped rotary seat 601 on the outer wall to rotate when rotating, the convex part on the outer wall of the L-shaped rotary seat 601 extrudes the roller 608, so that the roller 608 drives the fixed rod 607 to rotate, thereby driving the rotating arm 607 to rotate, the connecting spring 609 stretches, the rotating arm 607 drives the fixed rod 607 to extrude the cambered surface of the locking block 603, the locking block 603 moves in the sliding groove 602, and at the moment, the fixed rod 607 does not move to the highest point of the locking block 603;
at the moment, the vertical long rod 4 rotates the central control castor control rod 8 through the linkage assembly 9, and the central control castor control rod 8 locks the central control castor 7, so that the movement speed reduction of the medical bed is realized;
when the vertical pedal 5 is not stepped on, the connecting arm 607 is driven by the connecting spring 609 to rotate, so that the roller 608 slides along the outer wall of the L-shaped rotary seat 601, and meanwhile, the locking block 603 pushes the fixing rod 607 under the action of the pressure spring 604, so that the vertical pedal 5 can be reset and rebound to the initial position under the running state;
when the vertical pedal 5 is trampled to change the gear, the L-shaped rotary seat 601 and the roller 608 on the outer wall are driven to slide when the vertical long rod 4 rotates, the fixing rod 607 slides through the highest point of the locking block 603 and enters between the locking block 603 and the limiting block at the tail end of the L-shaped rotary seat 601, when the vertical pedal 5 is trampled, the connecting spring 609 pulls the rotating arm 606, and as the fixing rod 607 is clamped between the locking block 604 and the limiting block 610, the pulling force given by the connecting spring 609 acts on the limiting block 610, the fixing rod 607 cannot be moved out from the middle of the locking block 604 and the limiting block 610, and therefore the connecting spring 609 cannot pull the rotating arm 607 to rotate, and the gear is fixed;
when the vertical pedal 5 is required to be changed into a horizontal state, the vertical pedal 5 can be stepped on, the fixing rod 607 is applied to squeeze the inclined surface of the locking block 603 through the external force, the locking block 603 slides in the sliding groove 602, and the fixing rod 607 enters the cambered surface of the locking block 603, so that the vertical pedal 5 can be reset to the horizontal state.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a many rounds of chassis linkage brake structures, includes base (1), the tip fixedly connected with support (2) of base (1), its characterized in that, a plurality of parallel arrangement's mounting (3) are installed to one side of base (1), the inboard of mounting (3) is fixed with vertical stock (4), vertical footboard (5) are installed to the tip of vertical stock (4);
the outer wall of the vertical long rod (4) is provided with a rebound assembly (6), and the rebound assembly (6) is used for enabling the vertical pedal (5) to reset and rebound to an initial position under an operating state;
the rebound assembly (6) comprises an L-shaped swivel seat (601), a chute (602), a locking block (603), a pressure spring (604), a fixed arm (605), a rotating arm (606), a fixed rod (607), a roller (608) and a connecting spring (609);
the L-shaped rotary seat (601) is fixedly connected to the outer wall of the vertical long rod (4), the sliding groove (602) is formed in the L-shaped rotary seat (601), the locking block (603) is slidably connected to the inner wall of the sliding groove (602), and the pressure spring (604) is positioned in the sliding groove (602) and two ends of the pressure spring are respectively fixedly connected to the sliding groove (602) and the locking block (603);
the fixed arm (605) is fixedly arranged on one side, close to the vertical long rod (4), of the base (1), the rotating arm (606) is rotationally connected to the fixed arm (605), the fixed rod (607) is fixedly connected to one end of the rotating arm (606) and penetrates through the rotating arm (606), the roller (608) is rotationally connected to one end of the fixed rod (607) and is in sliding connection with the outer wall of the L-shaped rotating seat (601), and two ends of the connecting spring (609) are respectively fixedly connected to the base (1) and the other end of the fixed rod (607);
the end of the L-shaped rotary seat (601) is provided with a limiting block (610), and the limiting block (610) is in a hook shape, and the length of the limiting block (610) is greater than that of the roller (608).
2. The multi-wheel chassis linkage brake structure according to claim 1, wherein the two ends of the bracket (2) are provided with central control casters (7), the inner sides of the top ends of the two central control casters (7) are provided with central control caster control rods (8), the central control caster control rods (8) are used for controlling rotation of the central control casters (7), the outer wall of each central control caster control rod (8) is connected with a linkage assembly (9), and the central control caster control rods (8) are in transmission connection with the vertical long rods (4) through the linkage assemblies (9).
3. The multi-wheel chassis linkage brake structure according to claim 2, wherein polygonal blocks are formed at two ends of the central control caster control rod (8), the polygonal blocks extend to penetrate through the inner side of the central control caster (7), and the central control caster control rod (8) can rotate to screw a gear shifting part inside the central control caster (7) through the polygonal blocks at the end parts, so that gear adjustment operation of the central control caster (7) is achieved.
4. The multi-wheel chassis linkage brake structure according to claim 2, wherein when the vertical pedal (5) is in a horizontal state, the central control castor (7) is in a completely unlocked gear, and the roller (608) is located in the middle of the L-shaped swivel base (601);
when the vertical pedal (5) is in a left-right inclined state, the central control castor (7) is in a full-locking stop position or a directional locking stop position, and the idler wheel (608) is positioned at the end part of the L-shaped swivel mount (601) and is locked by the locking block (603).
5. The multi-wheel chassis linkage brake structure according to claim 1, wherein the surface of the locking block (603) contacting the fixing rod (607) is formed with an arc surface on one side and an inclined surface on the other side, and the inclined surface is close to the end of the L-shaped swivel seat (601);
when the vertical pedal (5) is lightly stepped on but the gear is not changed, the fixed rod (607) does not slide to the highest point of the locking block (603);
the connection resistance between the inclined surface of the locking block (603) and the outer wall of the fixed rod (607) is larger than the tensile force of the connecting spring (609).
6. A multi-wheel chassis linkage brake arrangement according to claim 1, wherein the length of the runner (602) is greater than the length of the locking block (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322222597.1U CN220757586U (en) | 2023-08-18 | 2023-08-18 | Multi-wheel chassis linkage brake structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322222597.1U CN220757586U (en) | 2023-08-18 | 2023-08-18 | Multi-wheel chassis linkage brake structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220757586U true CN220757586U (en) | 2024-04-12 |
Family
ID=90612739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322222597.1U Active CN220757586U (en) | 2023-08-18 | 2023-08-18 | Multi-wheel chassis linkage brake structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220757586U (en) |
-
2023
- 2023-08-18 CN CN202322222597.1U patent/CN220757586U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |