Medical blood sampling chair convenient to brake
By incorporating a central braking mechanism and foot pedal design, the problem of inconvenient braking operation in existing medical blood collection chairs has been solved, enabling unified braking and releasing of all four wheels, thus improving ease of use and labor-saving.
Patent Information
- Application Number
- CN202423221502.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The braking operation of existing medical blood collection chairs is inconvenient, requiring each wheel to be stepped on individually and the chair to be moved when the brake is released, making it inconvenient and laborious to use.
It adopts a central braking mechanism and foot pedal design, and realizes unified braking and releasing operation of the four wheels through the transmission connection between the four wheels. Foot pedals are provided on both sides of the chair, making the braking action effortless and uniform.
It achieves unified braking and releasing of all four wheels, simplifying the operation process and improving the convenience and labor-saving of use.
Smart Images

Figure CN223696195U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a medical blood collection chair convenient to brake belongs to the technical field of blood collection chair. BACKGROUND
[0002] At present, in order to meet the safety and comfort of user, alleviate the psychological stress, ensure that blood collection process is more comfortable and joyful, the relevant technology proposes a blood collection chair, adopts the people-oriented concept, is designed for blood donation, blood collection and blood transfusion, and it is suitable for blood donation, blood collection, blood transfusion, infusion, etc. Medical process of medical blood collection chair of blood station, hospital, medical unit. The brake of the existing medical blood collection chair almost adopts one wheel one brake, and four wheels need to be stepped to brake the chair; A small part will use the central control wheel, but their brakes are generally in the rear, and most of the blood collection chairs are against the wall, and the brake needs to be moved to operate, and the brake needs to be lifted, which is inconvenient to use.
[0003] Therefore, how to provide a medical blood collection chair convenient to brake is the research purpose of the utility model. CONTENT OF THE UTILITY MODEL
[0004] In view of the above technical deficiency, the utility model provides a medical blood collection chair convenient to brake, four wheels adopt central control brake mechanism to brake, and each wheel does not need to be braked separately; There are foot pedals on both sides of the chair, and the brake is braked downward, and the user can more conveniently and labor-savingly realize the brake action.
[0005] To solve the problem of the prior art, the technical scheme adopted by the utility model is:
[0006] A medical blood collection chair convenient to brake, characterized by comprising a base, a reverse turning piece, a blood collection chair body provided on the base, four groups of walking wheels are provided at the bottom corners of the base, wherein two groups of the walking wheels are connected through a first brake lever, and the other two groups of the walking wheels are connected through a second brake lever, one end of the first brake lever is provided with a first guide pipe in a sleeve type, the other end of the second brake lever away from the first guide pipe is provided with a second guide pipe in a sleeve type, the middle part of the reverse turning piece is rotatably connected to the bottom of the base, and the two ends of the reverse turning piece are rotatably connected with a first connecting rod and a second connecting rod, respectively, one end of the first connecting rod is hingedly connected with the first brake lever through a first foot pedal, the other end is hingedly connected with the second guide pipe through a second foot pedal, one end of the second connecting rod is hingedly connected with the first guide pipe through a third foot pedal, and the other end is hingedly connected with the second brake lever through a fourth foot pedal.
[0007] Further, the first pedal and the second pedal are respectively connected with the two ends of the first connecting rod through a swing arm, and the third pedal and the fourth pedal are respectively connected with the two ends of the second connecting rod through a swing arm.
[0008] Further, the first brake rod and the second brake rod are arranged in a regular hexagonal structure, the inner hole of the first pedal is matched with the first brake rod, the inner hole of the fourth pedal is matched with the second brake rod, the inner hole of the second pedal is matched with the second guide pipe, and the inner hole of the third pedal is matched with the first guide pipe.
[0009] Further, the blood sampling chair body is arranged on the base through a lifting mechanism, the lifting mechanism comprises a lifting base and a lifting seat, the lifting base is fixedly arranged on the base, the lifting seat is arranged on the inner side of the lifting base through a sliding rail and a sliding block, the inner side of the lifting seat is provided with a lifting electric cylinder for driving the lifting of the lifting seat, and the blood sampling chair body is fixedly arranged on the top of the lifting seat.
[0010] Further, the front end of the blood sampling chair body is hingedly connected with a swingable leg pad, and the rear end is hingedly connected with a swingable backrest.
[0011] Further, one side of the blood sampling chair body is provided with a first electric cylinder for driving the swing of the leg pad, and the other side is provided with a second electric cylinder for driving the swing of the backrest.
[0012] The beneficial effects of the utility model are: 1. four wheels adopt a central control brake mechanism to loosen the brake, and it is not necessary to loosen the brake of each wheel separately; 2. the chair has pedals on both sides, and loosening the brake and stepping on the brake are both downward, so that the user can loosen and step on the brake more conveniently and save labor. ACCOUT OF DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model.
[0014] Figure 2 It is one of partial structural diagrams of the utility model.
[0015] Figure 3 It is the second of partial structural diagrams of the utility model.
[0016] Figure 4 It is the third of partial structural diagrams of the utility model. Figure 3 It is a structure enlarged view of A in the utility model.
[0017] Figure 5 It is a structure enlarged view of B in the utility model. Figure 3
[0018] Figure 6 It is the third of partial structural diagrams of the utility model.
[0019] Figure 7 is the utility model Figure 6 The structure enlarged view of C in the middle.
[0020] Figure 8 is the utility model Figure 6 The structure enlarged view of D in the middle.
[0021] Figure 9 is the structure diagram of the lifting mechanism of the utility model.
[0022] Figure 10 is the left view of the utility model.
[0023] Figure 11 is the right view of the utility model.
[0024] Wherein: base 1, reverse turning piece 2, blood sampling chair main body 3, walking wheel 4, first brake lever 5, second brake lever 6, first guide pipe 7, second guide pipe 8, first connecting rod 9, second connecting rod 10, first foot pedal 11, second foot pedal 12, third foot pedal 13, fourth foot pedal 14, lifting base 15, lifting seat 16, lifting electric cylinder 17, leg pad 18, backrest 19, first electric cylinder 20, second electric cylinder 21. Specific implementation
[0025] In order to make those skilled in the art more understand the technical scheme of the utility model, the following will be combined with the drawings of the utility model Figures 1-11 Further analysis is made on the utility model.
[0026] As Figures 1-11 shown, a medical blood sampling chair convenient for braking, characterized in that: including base 1, reverse turning piece 2, blood sampling chair main body 3 arranged on the base 1, four groups of walking wheels 4 are arranged at the bottom of the base 1, wherein two groups of the walking wheels 4 are drivingly connected through first brake levers 5, and the other two groups of the walking wheels 4 are drivingly connected through second brake levers 6, one end of the first brake lever 5 is provided with a first guide pipe 7 in a sleeved manner, one end of the second brake lever 6 away from the first guide pipe 7 is provided with a second guide pipe 8 in a sleeved manner, the middle part of the reverse turning piece 2 is rotatably connected to the bottom of the base 1, and the two ends of the reverse turning piece 2 are rotatably connected with a first connecting rod 9 and a second connecting rod 10 respectively, one end of the first connecting rod 9 is hingedly connected with the first brake lever 5 through a first foot pedal 11, the other end is hingedly connected with the second guide pipe 8 through a second foot pedal 12, one end of the second connecting rod 10 is hingedly connected with the first guide pipe 7 through a third foot pedal 13, and the other end is hingedly connected with the second brake lever 6 through a fourth foot pedal 14.
[0027] In the embodiment, preferably, the first pedal 11 and the second pedal 12 are respectively connected to the two ends of the first connecting rod 9 through a swing arm, and the third pedal 13 and the fourth pedal 14 are respectively connected to the two ends of the second connecting rod 10 through a swing arm, so that the transmission connection between the pedals and the connecting rods is realized through the swing arms.
[0028] In the embodiment, preferably, the first brake rod 5 and the second brake rod 6 are arranged in a regular hexagonal structure, the inner hole of the first pedal 11 matches the first brake rod 5, the inner hole of the fourth pedal 14 matches the second brake rod 6, the inner hole of the second pedal 12 matches the second guide pipe 8, and the inner hole of the third pedal 13 matches the first guide pipe 7. The regular hexagonal structure is the same as the structure of a hexagonal wrench, which can drive the tension nut inside the walking wheel 4 to press the brake pad or loosen the wheel of the walking wheel 4.
[0029] In the embodiment, preferably, the blood collection chair body 3 is arranged on the base 1 through a lifting mechanism, the lifting mechanism includes a lifting base 15 and a lifting seat 16, the lifting base 15 is fixedly arranged on the base 1, the lifting seat 16 is arranged on the inner side of the lifting base 15 through a sliding rail sliding block, the inner side of the lifting seat 16 is provided with a lifting electric cylinder 17 for driving the lifting of the lifting seat 16, and the blood collection chair body 3 is fixedly arranged on the top of the lifting seat 16. The lifting electric cylinder 17 drives the lifting of the lifting seat 16, and drives the lifting of the blood collection chair body 3, so as to adjust the height of the blood collection chair body 3.
[0030] In the embodiment, preferably, the front end of the blood collection chair body 3 is hingedly connected with a swingable leg pad 18, and the rear end is hingedly connected with a swingable backrest 19.
[0031] In the embodiment, preferably, one side of the blood collection chair body 3 is provided with a first electric cylinder 20 for driving the swing of the leg pad 18, so that the leg pad 18 is stretched or folded, and the other side is provided with a second electric cylinder 21 for driving the swing of the backrest 19, so as to adjust the angle of the backrest 21.
[0032] The utility model uses: when braking, the first footboard 11 can be stepped down, the first brake lever 5 is driven to rotate counterclockwise through the first footboard 11, the brake pad of the walking wheel 4 at both ends of the first brake lever 5 locks the wheel, the second footboard 12 is pushed up through the first connecting rod 9, the reverse turning piece 2 is driven to rotate clockwise through the first connecting rod 9, the second connecting rod 10 moves to the end of the first brake lever 5, the fourth footboard 14 rotates clockwise, the second brake lever 6 rotates clockwise, the walking wheel at both ends of the second brake lever 6 is locked, and the third footboard 13 is pushed up through the second connecting rod 10; similarly, the fourth footboard 14 can also be stepped down to brake.
[0033] The technical solutions provided by the application are described in detail above, the principles and implementation manners of the application are described by using the examples, the description of the above examples is only used to help understand the method and core idea of the application; meanwhile, for the general skilled in the art, according to the idea of the application, the specific implementation manner and application range can be changed, and the above description should not be understood as limiting the application.
Claims
1. A medical blood sampling chair facilitating braking, characterized by: The utility model relates to a blood sampling chair, including base, reverse rotation piece, blood sampling chair body is established in the base, the bottom four corners of base are equipped with four groups of walking wheels, wherein two groups walking wheels are connected through first brake lever transmission between another two groups walking wheels are connected through second brake lever transmission, one end of first brake lever is provided with first guide pipe in the form of sleeve, the second brake lever is provided with second guide pipe in the form of sleeve away from one end of first guide pipe, the middle part of reverse rotation piece is rotatably connected in the bottom of base, and first connecting rod and second connecting rod are rotatably connected to both ends thereof, one end of first connecting rod is hingedly connected with first brake lever through first foot pedal, and the other end is hingedly connected with second guide pipe through second foot pedal, one end of second connecting rod is hingedly connected with first guide pipe through third foot pedal, and the other end is hingedly connected with second brake lever through fourth foot pedal.
2. The medical blood sampling chair with brake facilitation according to claim 1, characterized in that: The first foot pedal and the second foot pedal are hingedly connected to both ends of the first connecting rod through a swing arm respectively, and the third foot pedal and the fourth foot pedal are hingedly connected to both ends of the second connecting rod through a swing arm respectively.
3. The medical blood sampling chair with brake facilitation as claimed in claim 1 wherein: The first brake lever and the second brake lever are provided in the form of regular hexagonal prism, the inner hole of the first foot pedal is matched with the first brake lever, the inner hole of the fourth foot pedal is matched with the second brake lever, the inner hole of the second foot pedal is matched with the second guide pipe, and the inner hole of the third foot pedal is matched with the first guide pipe.
4. The medical blood sampling chair with brake facilitation as claimed in claim 1 wherein: The blood sampling chair body is provided on the base through a lifting mechanism, the lifting mechanism includes a lifting base and a lifting seat, the lifting base is fixedly arranged on the base, the lifting seat is arranged on the inner side of the lifting base through a sliding rail and a sliding block, the inner side of the lifting seat is provided with a lifting electric cylinder for driving the lifting thereof, and the blood sampling chair body is fixedly arranged on the top of the lifting seat.
5. The medical blood sampling chair with brake facilitation as claimed in claim 1 wherein: The front end of the blood sampling chair body is hingedly connected with an oscillatable leg pad, and the rear end is hingedly connected with an oscillatable backrest.
6. The medical blood sampling chair with brake facilitation as claimed in claim 5 wherein: One side of the blood sampling chair body is provided with a first electric cylinder for driving the oscillation of the leg pad, and the other side is provided with a second electric cylinder for driving the oscillation of the backrest.