CN219983344U - Backrest angle adjusting device for horizontal blood sampling chair - Google Patents

Abstract

The utility model relates to the technical field of horizontal blood sampling chairs and discloses a backrest angle adjusting device for a horizontal blood sampling chair. The novel seat cushion comprises a base, a notch is formed in the inner wall of the top end of the base, a seat cushion is fixedly connected to the inner wall of the notch of the base, a rotating shaft is rotatably connected to the inner wall of the right side of the seat cushion, a backrest is fixedly sleeved on the shaft wall of the rotating shaft, a supporting seat is fixedly connected to the bottom of the base, a groove is formed in the inner wall of the base below the notch, a screw rod is rotatably connected to the inner wall of the groove of the base, and a sliding block is connected to the rod wall of the screw rod in a threaded mode. According to the utility model, the rotating handle can drive the screw rod to rotate, the sliding block can be driven to move to drive the connecting rod to move, the guide block slides along the inner wall of the guide box body, the backrest can rotate along the inside of the cushion through the rotating shaft, the angle of the backrest can be conveniently adjusted, and the comfort level of a user is improved.

Description

Backrest angle adjusting device for horizontal blood sampling chair

Technical Field

The utility model relates to the technical field of horizontal blood sampling chairs, in particular to a backrest angle adjusting device for a horizontal blood sampling chair.

Background

The horizontal blood sampling chair is suitable for being used as a chair with functions of blood sampling, ventilation, transfusion and the like in blood supply stations and hospital lamp medical units, is safe, comfortable, safe and reliable, has different body heights of users, is different from the angle of the backrest of the blood sampling chair, needs to adjust the backrest position of the chair, is inconvenient to flexibly adjust, and can influence the comfort level of use. Therefore, the utility model designs a backrest angle adjusting device for a horizontal blood sampling chair.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the backrest positions of the seats need to be adjusted due to different body heights of users and different fitting angles of the backrest of the blood collection chair, and the backrest of a common blood collection chair is inconvenient to flexibly adjust and can influence the comfort level of use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a horizontal back angle adjusting device for blood sampling chair, includes the base, the notch has been seted up to the top inner wall of base, the base is located the inner wall fixedly connected with cushion of notch, the right side inner wall of cushion rotates and is connected with the pivot, the fixed back that has cup jointed on the axle wall of pivot, the bottom fixedly connected with supporting seat of base, the base is located the inner wall of notch below and has seted up flutedly, the base is located the inside rotation of recess and is connected with the lead screw, threaded connection has the slider on the pole wall of lead screw, the top fixedly connected with connecting rod of slider, the bar mouth has been seted up to the inner wall that the base is located between notch and the recess, the pole wall slip of connecting rod sets up the inner wall at the bar mouth, the inner wall fixedly connected with direction box body of back, the inner wall slip of direction box body is equipped with the guide block, the top pole wall of connecting rod articulates the setting on the lateral wall of guide block.

Preferably, the right end rod wall of the screw rod extends to the outer side of the base and is fixedly connected with a rotating handle.

Preferably, the surfaces of the cushion and the backrest are respectively paved with a cushion pad, and one sides of the cushion pads corresponding to the cushion pads are fixedly connected with telescopic cushions at the same time.

Preferably, the surfaces of the cushion and the backrest are respectively fixedly sewed with a magic tape surface, two cushion pads are respectively sewed with a magic tape female surface relative to one side of the magic tape surface, and the magic tape surface and the magic tape female surface are in sticking buckle arrangement.

Preferably, the left side inner wall of base has been seted up and has been put the thing groove, the base is located the inner wall in putting the thing groove and articulates and be equipped with the apron, the cavity has been seted up to the bottom inner wall of apron, the apron is located the inner wall fixedly connected with spring of cavity, the bottom fixedly connected with stopper of spring, the spacing groove has been seted up to the inner wall of base, the stopper extends to the inside in spacing groove.

Preferably, the cover plate is provided with a rectangular opening on the inner wall of the cavity, the side wall of the limiting block is fixedly connected with a deflector rod, and the deflector rod penetrates through the rectangular opening and extends to the outer side of the cover plate.

Compared with the prior art, the utility model provides the backrest angle adjusting device for the horizontal blood sampling chair, which has the following beneficial effects:

1. this back angle adjusting device for horizontal blood sampling chair can drive the lead screw through rotating the swivel handle and rotate, can drive the slider and remove and drive the connecting rod and remove, makes the guide block slide along the inner wall of direction box body, can make the back rotate along the inside of cushion through the pivot, is convenient for adjust the angle of back, improves user's comfort level.

2. This horizontal blood sampling is back angle adjusting device for chair can improve the comfort level of cushion and back through blotter and flexible pad, and flexible pad can not influence the angle modulation of back, and can prevent that the object from being pressed from both sides the wound by the junction of cushion and back.

Drawings

FIG. 1 is a schematic view of a backrest angle adjusting device for a horizontal blood collection chair according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of the part B of FIG. 1;

fig. 4 is a structural perspective view of the telescopic mat of fig. 1.

In the figure: 1 a base, 2 a cushion, 3 a rotating shaft, 4 a backrest, 5 a supporting seat, 6 a screw rod, 7 a sliding block, 8 a connecting rod, 9 a guide box body, 10 a guide block, 11 a rotating handle, 12 a cushion pad, 13 a telescopic pad, 14 a magic tape sub-surface, 15 a magic tape mother surface, 16 a cover plate, 17 a spring, 18 a limiting block and 19 a deflector rod.

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.

Example 1

Referring to fig. 1-2, a backrest angle adjusting device for a horizontal blood sampling chair comprises a base 1, wherein a notch is formed in the inner wall of the top end of the base 1, a seat cushion 2 is fixedly connected to the inner wall of the notch, a rotating shaft 3 is rotatably connected to the right inner wall of the seat cushion 2, a backrest 4 is fixedly sleeved on the shaft wall of the rotating shaft 3, a supporting seat 5 is fixedly connected to the bottom of the base 1, a groove is formed in the inner wall of the base 1 below the notch, a screw rod 6 is rotatably connected to the inner side of the groove, a sliding block 7 is connected to the rod wall of the screw rod 6 in a threaded manner, a connecting rod 8 is fixedly connected to the top end of the sliding block 7, a strip-shaped opening is formed in the inner wall of the base 1 between the notch and the groove, a guide box 9 is fixedly connected to the inner wall of the backrest 4, a guide block 10 is slidably arranged on the inner wall of the guide box 9, the top end rod wall of the connecting rod 8 is hinged to the side wall of the guide block 10, and the right end rod wall of the screw rod 6 extends to the outer side of the base 1 and is fixedly connected with a rotating handle 11.

When the seat cushion is used, the screw rod 6 can be driven to rotate by rotating the rotating handle 11, so that the sliding block 7 can be driven to move to drive the connecting rod 8 to move, the guide block 10 can slide along the inner wall of the guide box body 9, the backrest 4 can be rotated along the inside of the seat cushion 2 through the rotating shaft 3, the angle of the backrest 4 can be conveniently adjusted, and the comfort level of a user is improved.

Example two

Referring to fig. 1-4, the cushion pad 12 is laid on the surface of the cushion 2 and the backrest 4 respectively, the telescopic pad 13 is fixedly connected to one side corresponding to the two cushion pads 12 at the same time, the magic sub-surface 14 is fixedly sewed on the surface of the cushion 2 and the backrest 4 respectively, the magic female surface 15 is sewed on one side of the two cushion pads 12 corresponding to the magic sub-surface 14 respectively, and the magic sub-surface 14 and the magic female surface 15 are in sticking buckle arrangement.

Can improve the comfort level of cushion 12 and back 4 through blotter 12 and flexible pad 13, and flexible pad 13 can not influence the angle modulation of back 4, and can prevent that the object from being pressed from both sides the wound by the junction of cushion 2 and back 4, pastes the setting through magic son face 14 and the laminating of magic mother face 15, is convenient for install the dismantlement to blotter 12 and flexible pad 13.

Example III

Referring to fig. 1-3, a storage groove is formed in the left inner wall of the base 1, a cover plate 16 is hinged to the inner wall of the storage groove, a cavity is formed in the inner wall of the bottom end of the cover plate 16, the cover plate 16 is fixedly connected with a spring 17 in the inner wall of the cavity, a limiting block 18 is fixedly connected to the bottom of the spring 17, a limiting groove is formed in the inner wall of the base 1, the limiting block 18 extends to the inside of the limiting groove, a rectangular opening is formed in the inner wall of the cavity, a deflector rod 19 is fixedly connected to the side wall of the limiting block 18, and the deflector rod 19 penetrates through the rectangular opening and extends to the outer side of the cover plate 16.

The spring 17 can be driven to shrink by pulling the deflector 19, so that the limiting block 18 is shrunk to the inside of the cavity, and the cover plate 16 can be opened along the hinge point, so that objects to be stored can be placed in the storage groove, the bottom of the subsequent cover plate 16 is aligned with the base 1, and the spring 17 extends the limiting block 18 to the inside of the limiting groove through the elasticity of the spring 17, so that the stability of the cover plate 16 can be ensured.

The foregoing 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 scheme 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 horizontal blood sampling chair is with back angle adjusting device, includes base (1), its characterized in that: the novel seat is characterized in that a notch is formed in the inner wall of the top end of the base (1), the seat cushion (2) is fixedly connected to the inner wall of the notch, the right inner wall of the seat cushion (2) is rotationally connected with the rotating shaft (3), the backrest (4) is fixedly sleeved on the shaft wall of the rotating shaft (3), the supporting seat (5) is fixedly connected to the bottom of the base (1), the inner wall of the base (1) below the notch is provided with a groove, the base (1) is rotationally connected with the screw rod (6) in the groove, the rod wall of the screw rod (6) is connected with the sliding block (7), the top end of the sliding block (7) is fixedly connected with the connecting rod (8), the inner wall of the base (1) between the notch and the groove is provided with a strip-shaped opening, the rod wall of the connecting rod (8) is slidably arranged on the inner wall of the strip-shaped opening, the inner wall of the backrest (4) is fixedly connected with the guide box (9), the inner wall of the guide box (9) is slidably provided with the guide block (10), and the top end rod wall of the connecting rod (8) is hinged to the side wall of the guide block (10).

2. The backrest angle adjusting device for a horizontal blood collection chair according to claim 1, wherein: the right end rod wall of the screw rod (6) extends to the outer side of the base (1) and is fixedly connected with a rotating handle (11).

3. The backrest angle adjusting device for a horizontal blood collection chair according to claim 1, wherein: cushion pads (12) are respectively laid on the surfaces of the cushion (2) and the backrest (4), and telescopic cushions (13) are fixedly connected to one sides of the cushion pads (12) corresponding to each other.

4. The backrest angle adjusting means for a horizontal blood collection chair according to claim 3, wherein: the surface of cushion (2) and back (4) is fixed respectively and is sewed up and is provided with magic face (14), two the blotter (12) are sewed up respectively for one side of magic face (14) and are provided with magic female face (15), magic face (14) and magic female face (15) thread gluing setting.

5. The backrest angle adjusting device for a horizontal blood collection chair according to claim 1, wherein: the utility model discloses a storage device, including base (1), apron (16), bottom inner wall, spring (17) are located to the inner wall fixedly connected with of apron (16), stopper (18) are fixedly connected with in the bottom of spring (17), the spacing groove has been seted up to the inner wall of base (1), the inner wall that base (1) is located the storage groove articulates is equipped with apron (16), the cavity has been seted up to the bottom inner wall of apron (16), the inner wall fixedly connected with spring (17) that apron (16) are located the cavity, the spacing groove has been seted up to the inner wall of base (1), the inside that stopper (18) extends to the spacing groove.

6. The backrest angle adjusting means for a horizontal blood collection chair according to claim 5, wherein: the cover plate (16) is located on the inner wall of the cavity, a rectangular opening is formed in the inner wall of the cavity, a deflector rod (19) is fixedly connected to the side wall of the limiting block (18), and the deflector rod (19) penetrates through the rectangular opening to extend to the outer side of the cover plate (16).