Electric lifting assembly for blood sampling chair

Abstract

The utility model relates to the technical field of blood sampling chairs, in particular to an electric lifting assembly for a blood sampling chair. According to the technical scheme, the lifting assembly comprises an electric push rod, a seat, a hydraulic conversion rod, a hydraulic lifting rod and a telescopic rest, the seat is fixedly installed at the top of the electric push rod, the telescopic rest is fixedly installed on the side portion of the seat, and the two ends of the hydraulic conversion rod are fixedly connected with a base and the seat respectively; and a hydraulic lifting rod connected with the hydraulic conversion rod is highly mounted in the telescopic rest. The height of the seat is adjusted by a blood donor, the distance between the seat and the base is changed, so that hydraulic oil in the hydraulic conversion rod and the hydraulic lifting rod circulates mutually, and after the height of the seat is adjusted according to blood donors with different heights, the height of the auxiliary puncture assembly is correspondingly changed, so that a comfortable blood donation environment is provided for the blood donors; and discomfort caused by long-time placement of the blood donor on the auxiliary puncture assembly is avoided.

Description

Technical Field

[0001] This utility model relates to the field of blood collection chair technology, and in particular to an electric lifting component for a blood collection chair. Background Technology

[0002] Blood collection chairs are chairs specifically used in medical blood collection processes. They are also commonly used when people donate blood. Blood collection chairs not only provide a comfortable blood collection environment for blood donors, but also provide a stable and comfortable blood collection environment for medical staff, which can improve the efficiency and quality of blood collection. At the same time, blood collection chairs are also used in medical blood testing departments.

[0003] Some blood collection chairs use an electric actuator for height adjustment. This actuator contains a motor, a lead screw, and a nut. The motor drives the lead screw to rotate, and the nut on the lead screw moves linearly due to the rotation of the lead screw. The nut is connected to the seat of the blood collection chair; when the nut moves up or down, it raises or lowers the seat.

[0004] However, even after the blood donation chair is adjusted to a suitable height, the height of the armrests is fixed and does not fit blood donors of different body types. Since the blood donation process is relatively long, the donor's arms need to be placed on the armrests for a long time. Using unsuitable armrests for a long time can cause arm discomfort. Utility Model Content

[0005] The purpose of this invention is to address the problem in the background art where prolonged use of ill-fitting armrests can cause arm discomfort, and to propose an electric lifting component for blood collection chairs.

[0006] The technical solution of this utility model: an electric lifting assembly for a blood collection chair, including a base, wherein pads are fixedly installed at the bottom and near the end of the base;

[0007] The lifting assembly includes an electric push rod, a seat, a hydraulic conversion rod, a hydraulic lifting rod, and a telescopic armrest. The seat is fixedly installed on the top of the electric push rod, and the telescopic armrest is fixedly installed on the side of the seat. The two ends of the hydraulic conversion rod are fixedly connected to the base and the seat, respectively. The hydraulic lifting rod connected to the hydraulic conversion rod is installed at the internal height of the telescopic armrest.

[0008] The top of the telescopic support frame is equipped with an auxiliary puncture component, and the bottom end of the electric push rod is fixedly connected to the base.

[0009] Optionally, two telescopic armrests are provided and symmetrically arranged on the left and right sides of the seat.

[0010] Optionally, the telescopic armrest includes a fixed armrest and a movable armrest. A hydraulic lifting rod is fixedly installed inside the fixed armrest, and the movable armrest is fixedly installed at the end of the hydraulic lifting rod. An auxiliary puncture component is provided on the top of the movable armrest, and the side of the fixed armrest is fixedly connected to the seat.

[0011] Optionally, the diameter of the hydraulic conversion rod is smaller than the diameter of the hydraulic lifting rod, the length of the hydraulic conversion rod is longer than the length of the hydraulic lifting rod, and a shim is fixedly installed between the top of the base and the end of the hydraulic conversion rod.

[0012] Optionally, the end of the hydraulic conversion rod is connected to a steel pipe, which penetrates into the interior of the fixed support frame and connects to the hydraulic lifting rod.

[0013] Optionally, the auxiliary puncture assembly includes a handrail and a venous heating blanket, the bottom of which is fixedly connected to a movable handrail, and the top of which is fixedly installed with a venous heating blanket for heating the elbow.

[0014] Optionally, the end of the venous heating blanket is provided with an opening, and a shrinkable elastic band is fixedly installed at the opening of the venous heating blanket.

[0015] Optionally, a movable roller is rotatably connected to the bottom of the base near the other end, and a protective plate is snapped onto the top of the base and located on the side of the seat.

[0016] Compared with the prior art, this application includes at least one of the following beneficial technical effects:

[0017] This invention allows the blood donor to adjust the height of the seat, changing the distance between the seat and the base. This enables the hydraulic oil in the hydraulic conversion rod and the hydraulic lifting rod to circulate between them. After adjusting the seat height according to the blood donor's different height, the height of the auxiliary puncture component changes accordingly, providing a comfortable blood donation environment for the blood donor and avoiding discomfort caused by the blood donor placing the auxiliary puncture component on it for a long time.

[0018] Furthermore, the use of a venous heating blanket to heat the arm dilates the veins, making it easier for medical staff to locate them. This also helps prevent blood donors from exposing their arms for extended periods, especially in winter, thus reducing discomfort. Additionally, the elastic bands tighten to minimize heat loss from the venous heating blanket. Attached Figure Description

[0019] Figure 1 A schematic diagram of the overall structure of one embodiment of the present invention is provided;

[0020] Figure 2 A schematic diagram of an embodiment of the electric push rod structure of this utility model is provided;

[0021] Figure 3A schematic diagram of the hydraulic conversion rod structure according to one embodiment of the present invention is provided;

[0022] Figure 4 A schematic diagram of the extended state of the hydraulic lifting rod structure according to an embodiment of this utility model is provided.

[0023] Reference numerals: 1. Base; 2. Foot pad; 3. Moving caster; 4. Lifting assembly; 41. Electric push rod; 42. Seat; 43. Fixed armrest; 44. Moving armrest; 45. Elevating block; 46. Hydraulic conversion rod; 47. Hydraulic lifting rod; 5. Assistive puncture assembly; 51. Handrail; 52. Intravenous heating blanket; 53. Elastic band; 6. Protective plate. Detailed Implementation

[0024] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0025] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0026] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Example 1

[0030] This embodiment proposes an electric lifting component for a blood collection chair, such as... Figure 1 As shown, the base includes a base 1, a foot 2 is fixedly installed at the bottom of the base 1 near the end, a movable roller 3 is rotatably connected at the bottom of the base 1 near the other end, and a protective plate 6 is snapped onto the top of the base 1 and the side of the seat 42. The foot 2 and the movable roller 3 together support the base 1, and the movable roller 3 facilitates the movement of the base 1.

[0031] like Figures 2-4 As shown, a lifting assembly 4 is provided on the top of the base 1. The lifting assembly 4 includes an electric push rod 41, a seat 42, a hydraulic conversion rod 46, a hydraulic lifting rod 47, and a telescopic armrest. The bottom end of the electric push rod 41 is fixedly connected to the base 1, and the seat 42 is fixedly installed on the top of the electric push rod 41. A switch for controlling the lifting of the electric push rod 41 is fixedly installed on the side of the seat 42. The electric push rod 41 adjusts the height of the seat 42 to provide a comfortable blood collection environment for the blood collector.

[0032] Telescopic armrests are fixedly installed on the sides of the seat 42. Two telescopic armrests are provided and symmetrically arranged on the left and right sides of the seat 42. The telescopic armrests include a fixed armrest 43 and a movable armrest 44. A hydraulic lifting rod 47 is fixedly installed inside the fixed armrest 43, and the movable armrest 44 is fixedly installed at the end of the hydraulic lifting rod 47. An auxiliary puncture component 5 is provided on the top of the movable armrest 44. The side of the fixed armrest 43 is fixedly connected to the seat 42. The height of the movable armrest 44 is adjusted by adjusting the hydraulic lifting rod 47, thereby adjusting the height of the auxiliary puncture component 5 so that the blood donor can place his arm on the auxiliary puncture component 5.

[0033] The two ends of the hydraulic conversion rod 46 are fixedly connected to the base 1 and the seat 42 respectively. The end of the hydraulic conversion rod 46 is connected to a steel pipe, which penetrates into the interior of the fixed armrest 43 and is connected to the hydraulic lifting rod 47. The diameter of the hydraulic conversion rod 46 is smaller than the diameter of the hydraulic lifting rod 47 to increase the hydraulic pressure acting on the hydraulic lifting rod 47 and prevent the hydraulic lifting rod 47 from retracting under force. The length of the hydraulic conversion rod 46 is longer than the length of the hydraulic lifting rod 47. A shim 45 is fixedly installed between the top of the base 1 and the end of the hydraulic conversion rod 46.

[0034] For taller individuals, such as those over 185cm, the handrail height may need to be adjusted to around 280-300mm; while for shorter individuals, such as those under 160cm, the handrail height can be lowered to around 220-240mm. Therefore, when the electric push rod 41 rises, the hydraulic oil in the hydraulic conversion rod 46 enters the hydraulic lifting rod 47, causing the height of the hydraulic lifting rod 47 and the auxiliary puncture component 5 to rise; and when the electric push rod 41 descends, the hydraulic conversion rod 46 absorbs the hydraulic oil in the hydraulic lifting rod 47, causing the height of the hydraulic lifting rod 47 and the auxiliary puncture component 5 to decrease.

[0035] In this embodiment, while the blood donor adjusts the height of the seat 42, the change in the distance between the seat 42 and the base 1 allows the hydraulic oil in the hydraulic conversion rod 46 and the hydraulic lifting rod 47 to circulate with each other. This raises the height of the auxiliary puncture component 5 when the electric push rod 41 rises and lowers the height of the auxiliary puncture component 5 when the electric push rod 41 falls. The height of the auxiliary puncture component 5 is adjusted according to the blood donor's height to provide a comfortable blood donation environment and avoid discomfort caused by the blood donor being placed on the auxiliary puncture component 5 for a long time.

[0036] Example 2

[0037] Based on Embodiment 1, this embodiment proposes an electric lifting assembly for a blood collection chair, such as... Figure 4 As shown, the auxiliary puncture assembly 5 includes a handrail 51 and a venous heating blanket 52. The bottom of the handrail 51 is fixedly connected to the movable handrail 44, and the venous heating blanket 52 for heating the elbow is fixedly installed on the top of the handrail 51. In winter, during the preparation phase for medical staff, the blood donor can insert their arm into the venous heating blanket 52 to heat the arm, causing the veins to dilate, making it easier for medical staff to locate the vein.

[0038] An opening is provided at the end of the venous heating blanket 52, and a shrinkable elastic band 53 is fixedly installed at the opening of the venous heating blanket 52. The shrinkable elastic band 53 shrinks to reduce heat loss inside the venous heating blanket 52.

[0039] In this embodiment, the arm is heated by the venous heating blanket 52 to dilate the veins, making it easier for medical staff to locate the veins. At the same time, during blood donation, the arm is kept exposed for a long time in winter to avoid discomfort for the blood donor. The elastic band 53 contracts to reduce heat loss from the venous heating blanket 52.

[0040] The above specific embodiments are merely several optional embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. An electric lifting assembly for a blood collection chair, characterized in that, include: A base (1) is fixedly installed with pads (2) at the bottom and near the end of the base (1). The lifting assembly (4) includes an electric push rod (41), a seat (42), a hydraulic conversion rod (46), a hydraulic lifting rod (47), and a telescopic armrest. The seat (42) is fixedly installed on the top of the electric push rod (41), and the telescopic armrest is fixedly installed on the side of the seat (42). The two ends of the hydraulic conversion rod (46) are fixedly connected to the base (1) and the seat (42) respectively. The hydraulic lifting rod (47) connected to the hydraulic conversion rod (46) is installed at the internal height of the telescopic armrest. The top of the telescopic support frame is provided with an auxiliary puncture component (5), and the bottom end of the electric push rod (41) is fixedly connected to the base (1).

2. The electric lifting assembly for the blood collection chair according to claim 1, characterized in that: Two telescopic armrests are provided and are symmetrically arranged on the left and right sides of the seat (42).

3. The electric lifting assembly for the blood collection chair according to claim 2, characterized in that: The telescopic armrest includes a fixed armrest (43) and a movable armrest (44). A hydraulic lifting rod (47) is fixedly installed inside the fixed armrest (43). The movable armrest (44) is fixedly installed at the end of the hydraulic lifting rod (47). An auxiliary puncture component (5) is provided on the top of the movable armrest (44). The side of the fixed armrest (43) is fixedly connected to the seat (42).

4. The electric lifting assembly for the blood collection chair according to claim 3, characterized in that: The diameter of the hydraulic conversion rod (46) is smaller than that of the hydraulic lifting rod (47), and the length of the hydraulic conversion rod (46) is longer than that of the hydraulic lifting rod (47). A shim (45) is fixedly installed between the top of the base (1) and the end of the hydraulic conversion rod (46).

5. The electric lifting assembly for the blood collection chair according to claim 4, characterized in that: The end of the hydraulic conversion rod (46) is connected to a steel pipe, which penetrates into the interior of the fixed support frame (43) and is connected to the hydraulic lifting rod (47).

6. The electric lifting assembly for the blood collection chair according to claim 3, characterized in that: The auxiliary puncture assembly (5) includes a handrail (51) and a venous heating blanket (52). The bottom of the handrail (51) is fixedly connected to the movable handrail (44), and the top of the handrail (51) is fixedly installed with a venous heating blanket (52) for heating the elbow.

7. The electric lifting assembly for the blood collection chair according to claim 6, characterized in that: The end of the venous heating blanket (52) has an opening, and a shrinkable elastic band (53) is fixedly installed at the opening of the venous heating blanket (52).

8. The electric lifting assembly for the blood collection chair according to claim 1, characterized in that: A movable roller (3) is rotatably connected to the bottom of the base (1) and near the other end, and a protective plate (6) is snapped onto the top of the base (1) and the side of the seat (42).

Images