Multifunctional transfer chair

Abstract

The utility model relates to the technical field of medical instruments, and discloses a multifunctional transfer chair which comprises a transfer chair body, a seat plate and a back plate are arranged on the transfer chair body, a flexible cushion is arranged on the top face of the seat plate, and a limiting assembly and an operation assembly are further arranged on the seat plate; the limiting assembly comprises a T-shaped clamping plate arranged on the base plate in a sliding mode, a first protruding base and a second protruding base, the first protruding base and the second protruding base are fixedly installed on the bottom face of the base plate, a screw is rotationally arranged on the first protruding base and is in threaded connection with the T-shaped clamping plate, and a reversing shaft is rotationally arranged on the second protruding base. According to the multifunctional transfer chair, the limiting assembly is arranged on the seat plate and used for clamping and fixing the flexible cushion on the seat plate, so that the using effect of the flexible cushion is ensured, meanwhile, the position of a T-shaped clamping plate in the limiting assembly can be rapidly adjusted through a screw, follow-up replacement of the flexible cushion is facilitated, and the using efficiency of the whole device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical appliance technical field, concretely is a multifunctional transfer chair. BACKGROUND

[0002] The emergency department is the department where the most critical patients, the most diseases, the most rescue and management tasks are concentrated in the hospital, and the transfer chair is needed in the emergency department to realize the rapid transfer of the position of the patient, and the effect of saving every minute and second is achieved.

[0003] And the transfer chair in the emergency department is used more frequently, and the cushion will gradually wear and age in the use process, which is manifested as surface damage, deformation or loss of elasticity, etc. When the cushion has these problems, it needs to be replaced in time to ensure the comfort and safety of the user. In order to simplify the replacement steps of the flexible cushion, we provide a multifunctional transfer chair. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiency of prior art, the utility model provides a multifunctional transfer chair, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical scheme: a multifunctional transfer chair, which comprises: a transfer chair body, a seat plate and a back plate are arranged on the transfer chair body, a flexible cushion is arranged on the top surface of the seat plate, and a limiting assembly and an operating assembly are further arranged on the seat plate; the limiting assembly comprises a T-shaped clamping plate slidingly arranged on the seat plate, a first boss and a second boss fixedly installed on the bottom surface of the seat plate, a screw rod rotatably arranged on the first boss, the screw rod being threadedly connected with the T-shaped clamping plate, a reversing shaft rotatably arranged on the second boss, a second gear fixedly installed on one end of the reversing shaft, and a belt pulley set arranged on the other end of the reversing shaft; the screw rod is provided with two, one screw rod is drivingly connected with the reversing shaft through the belt pulley set, and the end portion of the other screw rod is fixedly installed with a first gear meshingly connected with the second gear; the operating assembly comprises a fixed friction block fixedly installed on the bottom surface of the seat plate and a long connecting rod slidingly arranged in the screw rod, one end of the long connecting rod is fixedly installed with a short connecting rod, the other end of the long connecting rod is fixedly installed with a handle, a mounting plate is fixedly installed on the surface of the rod body of the long connecting rod, the end portion of the short connecting rod is fixedly installed with a movable friction block, a return spring is fixedly installed on the side surface of the mounting plate, and the end portion of the return spring is fixedly connected with the side wall of the inner cavity of the screw rod.

[0006] Preferably, the top surface of the seat plate is further provided with an armrest, and the back plate is designed to be inclined.

[0007] Preferably, the size of the second gear is consistent with the size of the first gear, and the second gear is located on the side surface of the first gear.

[0008] Preferably, the second boss is located between two screw rods, and the axes of the two screw rods coincide with each other.

[0009] Preferably, a sliding groove is formed on the screw rod for passing through both ends of the short connecting rod, and both ends of the sliding groove are closed.

[0010] Preferably, the movable friction block and the fixed friction block are annular in structure, and the side surface of the fixed friction block is provided with a first friction pattern for enhancing friction.

[0011] Preferably, the movable friction block and the fixed friction block form a contact surface in contact, and the contact surface is provided with a second friction pattern cooperable with the first friction pattern.

[0012] Preferably, the handle is L-shaped in structure, and the handle is located on the side of the first boss.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The multifunctional transfer chair, through the limiting assembly arranged on the seat plate, is used for clamping and fixing the flexible seat cushion on the seat plate, so as to ensure the use effect of the flexible seat cushion, and the T-shaped clamping plate in the limiting assembly can quickly adjust the position of the T-shaped clamping plate by means of the screw rod, so as to facilitate the replacement of the flexible seat cushion and improve the use efficiency of the whole device.

[0015] 2. The multifunctional transfer chair, through the operation assembly arranged at the bottom of the seat plate, facilitates actual operation of the user, and the operation assembly can also be used to form a certain friction force by means of the mutual contact and cooperation between the fixed friction block and the movable friction block in the operation assembly, so as to lock the structure and improve the clamping and fixing effect of the T-shaped clamping plate on the flexible seat cushion. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is an explosion view of the flexible seat cushion structure of the utility model;

[0018] Figure 3 It is a first schematic view of the seat plate bottom structure of the utility model;

[0019] Figure 4 It is a second schematic view of the seat plate bottom structure of the utility model;

[0020] Figure 5 It is an explosion view of the operation assembly structure of the utility model.

[0021] In the figure: 1, transport chair body; 2, seat plate; 3, back plate; 4, flexible cushion; 5, limiting assembly; 51, T-shaped clamping plate; 52, screw rod; 53, first convex base; 54, second convex base; 55, first gear; 56, second gear; 57, reversing shaft; 58, pulley set; 6, operating assembly; 61, rocking handle; 62, fixed friction block; 63, movable friction block; 64, short connecting rod; 65, long connecting rod; 66, mounting plate; 67, return spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 A multifunctional transport chair, comprising: a transport chair body 1, the transport chair body 1 is provided with a seat plate 2 and a back plate 3, the top surface of the seat plate 2 is provided with a flexible cushion 4, and the seat plate 2 is further provided with a limiting assembly 5 and an operating assembly 6; the top surface of the seat plate 2 is further provided with an armrest, and the back plate 3 is designed to be inclined, so that the overall device design is more in line with the human body curve, thereby improving the use experience of patients.

[0024] The limiting assembly 5 comprises a T-shaped clamping plate 51 slidingly arranged on the seat plate 2, a first convex base 53 and a second convex base 54 fixedly installed on the bottom surface of the seat plate 2, a screw rod 52 rotatably arranged on the first convex base 53, the screw rod 52 being threadedly connected with the T-shaped clamping plate 51, a reversing shaft 57 rotatably arranged on the second convex base 54, one end of the reversing shaft 57 being fixedly installed with a second gear 56, and the other end of the reversing shaft 57 being provided with a pulley set 58, the screw rod 52 being provided with two, one of the screw rods 52 being drivingly connected with the reversing shaft 57 through the pulley set 58, and the other end of the other screw rod 52 being fixedly installed with a first gear 55 meshingly connected with the second gear 56; the size of the second gear 56 is consistent with the size of the first gear 55, and the second gear 56 is located on the side surface of the first gear 55, the second convex base 54 is located between the two screw rods 52, and the axial lines of the two screw rods 52 coincide with each other, so that the overall structure design is more symmetrical, and the flexible cushion 4 can be given uniform clamping force by the T-shaped clamping plate 51.

[0025] The operation assembly 6 comprises a fixed friction block 62 fixedly installed on the bottom surface of the seat plate 2, and a long connecting rod 65 slidably arranged in the interior of the screw rod 52, one end of the long connecting rod 65 is fixedly installed with a short connecting rod 64, and the other end of the long connecting rod 65 is fixedly installed with a handle 61, and the surface of the rod body of the long connecting rod 65 is fixedly installed with a mounting plate 66, the end of the short connecting rod 64 is fixedly installed with a movable friction block 63, the side surface of the mounting plate 66 is fixedly installed with a reset spring 67, the end of the reset spring 67 is fixedly connected with the side wall of the inner cavity of the screw rod 52, the screw rod 52 is provided with a sliding groove for penetrating through the two ends of the short connecting rod 64, the two ends of the sliding groove are closed in design, the fixed friction block 62 and the movable friction block 63 are annular in structure, and the side surface of the fixed friction block 62 is provided with a first friction pattern for enhancing the friction, the movable friction block 63 and the fixed friction block 62 form a contact surface in contact, and the contact surface is provided with a second friction pattern matched with the first friction pattern, the handle 61 is of L-shaped structure, and the handle 61 is located on the side surface of the first boss 53, facilitating the actual operation of the user and improving the use performance of the overall device.

[0026] When the flexible cushion 4 on the seat plate 2 needs to be replaced, the handle 61 is pulled outward, the long connecting rod 65 fixedly connected with the handle 61 is also fixedly connected with the short connecting rod 64, and the end of the short connecting rod 64 slidably arranged on the screw rod 52 is also fixedly installed with the movable friction block 63, so that the movable friction block 63 can slide together with the handle 61, so that the gap between the movable friction block 63 and the fixed friction block 62 is generated, at this time, after the handle 61 is rotated, the screw rod 52 is synchronously rotated, and the other screw rod 52 is provided with a reversing shaft 57, a belt pulley set 58, a second gear 56 and a first gear 55, wherein the second gear 56 and the first gear 55 are of the same size and are meshed with each other, the second gear 56 is fixed on the reversing shaft 57, the reversing shaft 57 is drivingly connected with the screw rod 52 away from the handle 61 through the belt pulley set 58, and the first gear 55 is fixed on the end of the screw rod 52 adjacent to the handle 61, so that when the handle 61 drives one of the screw rods 52 to rotate, the other screw rod 52 rotates at the same speed and in the opposite direction, at this time, the T-shaped clamping plate 51 threadedly connected with the screw rod 52 can synchronously slide on the seat plate 2, so as to change the gap between the T-shaped clamping plate 51 and the flexible cushion 4, so as to meet the use requirement of replacing the flexible cushion 4, and finally the handle 61 is loosened, because the mounting plate 66 on the rod body of the long connecting rod 65 is further connected with the screw rod 52 through the reset spring 67, under the action of the elastic force of the reset spring 67, the movable friction block 63 is pushed to slide towards the fixed friction block 62, so that the friction patterns on the movable friction block 63 are in close contact with and matched with the fixed friction block 62, a certain friction force is formed, so as to limit the rotation of the screw rod 52 and lock the state of the overall structure.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-functional transfer chair, characterized by, Include: The transport chair body (1) is provided with seat plate (2) and back plate (3), the top surface of seat plate (2) is provided with flexible cushion (4), and limit assembly (5) and operation assembly (6) are further provided on seat plate (2); The limit assembly (5) includes T-shaped clamping plate (51) slidingly arranged on seat plate (2), first boss (53) and second boss (54) fixedly installed on the bottom surface of seat plate (2), screw rod (52) rotatably arranged on first boss (53), screw rod (52) threadedly connected with T-shaped clamping plate (51), reversing shaft (57) rotatably arranged on second boss (54), second gear (56) fixedly installed on one end of reversing shaft (57), and belt pulley set (58) arranged on the other end of reversing shaft (57), two screw rods (52) are provided, one of which is drivingly connected with reversing shaft (57) through belt pulley set (58), and the other end of the other screw rod (52) is fixedly installed with first gear (55) meshingly connected with second gear (56). The operation assembly (6) includes fixedly installed on the bottom surface of seat plate (2) friction block (62), and long connecting rod (65) slidingly arranged in the interior of screw rod (52), one end of long connecting rod (65) is fixedly installed with short connecting rod (64), the other end of long connecting rod (65) is fixedly installed with handle (61), and the surface of the rod body of long connecting rod (65) is fixedly installed with mounting plate (66), the end of short connecting rod (64) is fixedly installed with movable friction block (63), the side surface of mounting plate (66) is fixedly installed with return spring (67), and the end of return spring (67) is fixedly connected with the side wall of the inner cavity of screw rod (52).

2. The multi-functional transport chair of claim 1, wherein, The top surface of seat plate (2) is further provided with armrest, and back plate (3) is designed to be inclined.

3. The multi-functional transport chair of claim 1, wherein, The size of second gear (56) is consistent with the size of first gear (55), and second gear (56) is located on the side surface of first gear (55).

4. The multi-functional transport chair of claim 1, wherein, Second boss (54) is located between two screw rods (52), and the axial lines of two screw rods (52) coincide with each other.

5. The multi-functional transport chair of claim 1, wherein, The sliding groove is provided on screw rod (52) for passing through both ends of short connecting rod (64), and both ends of the sliding groove are closed.

6. The multi-functional transport chair of claim 1, wherein, Both movable friction block (63) and fixed friction block (62) are designed to be annular structure, and the side surface of fixed friction block (62) is provided with first friction pattern for enhancing friction.

7. The multi-functional transport chair of claim 6, wherein, The contact surface is formed by the contact between movable friction block (63) and fixed friction block (62), and the contact surface is provided with second friction pattern matched with first friction pattern.

8. The multi-functional transport chair of claim 1, wherein, The handle (61) is designed to be L-shaped structure, and the handle (61) is located on the side surface of first boss (53).

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