CN219480755U - Blood sampling chair with adjustable handrail - Google Patents

Abstract

The utility model provides a blood sampling chair with adjustable armrests, which belongs to the technical field of medical equipment and aims to solve the problems that in the prior art, armrests of the blood sampling chair are not easy to adjust according to the sizes of blood donors, the blood donors with different sizes, heights and arm lengths present different states when the arms are placed on the armrests, the blood circulation is affected, the comfortable experience of the blood donors is reduced, and the blood sampling is not easy to carry out.

Description

Blood sampling chair with adjustable handrail

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a blood sampling chair with an adjustable armrest.

Background

Along with the popularization of gratuitous blood donation, more and more people participate in gratuitous blood donation, and aiming at the physical conditions of different people, it is necessary to provide a comfortable blood donation environment for blood donors, and medical staff need to prepare before blood collection, which has important significance in improving the working efficiency, ensuring the blood quality and the safety of the blood donors and smoothly carrying out the blood collection.

When blood donor donated blood plasma, time overlength generally can be equipped with the seat for the donor, and blood collection seat among the prior art adopts infusion chair or ordinary seat, sofa to replace generally, and in blood sampling process, the donor can put the arm on blood collection seat handrail and donate blood, and blood separates plasma through professional instrument, in sending back the donor internal, and blood collection seat's handrail is difficult to carry out the travelling comfort according to the physique of donor, and the different, different height, the donor that the arm length is thin and the degree of buckling is different will present different states with the arm put on the handrail, reduces the comfortable experience sense of donor, is unfavorable for going on smoothly of blood sampling work.

Accordingly, the present utility model has been made in view of the above problems, and an object of the present utility model is to provide a chair with an adjustable armrest for blood collection, which has a more practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a blood sampling chair with an adjustable armrest, which aims to solve the problems that the armrest of the blood sampling chair in the prior art is not easy to adjust according to the body types of blood donors, the blood donors with different body types, different heights and different arm lengths can present different states when the arms are placed on the armrest, the blood circulation is affected, the comfortable experience of the blood donors is reduced, and the smooth blood sampling work is not facilitated.

The utility model provides a blood sampling chair with an adjustable armrest, which aims at achieving the following specific technical means:

the utility model provides a blood sampling chair with adjustable handrail, includes the seat, the cavity has all been seted up to the seat both sides face, all block and be equipped with hollow sliding block in two cavities, sliding connection has L type hollow board in the hollow sliding block, be provided with the positioning mechanism who is used for its slip back in the L type hollow board, hollow backup pad is worn to be equipped with in the sliding of L type hollow board upper end, be provided with in the hollow backup pad and be used for its gliding retention mechanism, hollow backup pad internal rotation is connected with the bracing piece that is located retention mechanism top, be provided with the card of being used for behind the bracing piece rotation to establish the mechanism between hollow backup pad and the bracing piece, bracing piece upper end connection has the arm layer board.

Further, positioning mechanism is including being located L type hollow plate bottom location slider, and location slider sliding connection is in L type hollow plate's bottom, location slider one side is provided with positioning spring, the other end butt of positioning spring is on L type hollow plate inner wall, the location slider opposite side is connected with the cylindric lock, the cylindric lock passes L type hollow plate's lateral wall and hollow sliding block joint, a plurality of holes corresponding with the cylindric lock have been seted up along its length direction array on the hollow sliding block lateral wall, the cylindric lock wears to establish in one of them downthehole, corresponding chute has been seted up at location slider top and bottom, the chute sliding connection has oblique slide bar, oblique slide bar upper end is connected with the push rod, the push rod afterbody is provided with the horizontal push plate, offer on L type hollow plate both sides wall with horizontal push plate promotes the spacing slide hole of direction correspondence, horizontal push plate sliding connection is downthehole, be located in the spacing slide hole bottom is provided with the stopper, be connected with first spacing spring between stopper and the horizontal push plate.

Further, the retention mechanism comprises a U-shaped elastic piece positioned at the bottom of the hollow supporting plate, the lower end of the U-shaped elastic piece is abutted to the bottom end of the hollow supporting plate, the upper end of the U-shaped elastic piece is abutted to a first limiting plate positioned in the hollow supporting plate, a supporting rod is connected to the first limiting plate in a rotating mode, one side of the top end of the U-shaped elastic piece is connected with a round head lock pin, a plurality of holes are distributed on the side wall of the L-shaped hollow plate corresponding to the round head lock pin along the length direction of the side wall of the L-shaped hollow plate in an array mode, and the round head lock pin penetrates through the hollow supporting plate and is arranged in one of the holes in the side wall of the L-shaped hollow plate in a penetrating mode.

Further, the clamping mechanism comprises a limiting gear which is arranged on the supporting rod in a sleeved mode at the top of the hollow supporting plate, a sliding lock pin is arranged in a concave tooth groove on one side of the limiting gear in a clamped mode, a second limiting spring is arranged on the other side of the sliding lock pin, the other end of the second limiting spring is abutted to the inner side wall of the hollow supporting plate, a second limiting plate which is arranged at the bottom of the sliding lock pin is arranged in the hollow supporting plate, and a sliding hole corresponding to the sliding lock pin is formed in a top plate of the hollow supporting plate.

Further, the sliding grooves are formed in the top surface and the bottom surface of the cavity along the length direction of the cavity, clamping blocks corresponding to the sliding grooves are arranged at the top and the bottom of the hollow sliding blocks, and the clamping blocks are slidably connected in the sliding grooves.

Further, the supporting rod penetrates through the second limiting plate and the top plate of the hollow supporting plate to be connected with the arm supporting plate, and a sponge cushion is sleeved on the arm supporting plate.

Compared with the prior art, the utility model has the following beneficial effects.

1. Through positioning mechanism's setting in the L type hollow slab, according to donor's size, adjust the relative width of two armrests, push down the transverse pushing board, drive push rod downwardly moving when transverse pushing board downwardly moving, the push rod drives oblique slide bar and slides in the chute, drive the location slider in the L type hollow slab simultaneously and slide backward, the location slider drives the cylindric lock and stretches back for cylindric lock and hollow sliding block separation, can left and right sides slip L type hollow slab, adjust the relative width of two armrests, make the donor of different sizes can be complete sit on the seat, let the arm of donor more comfortable support of putting on the arm layer board.

2. Through the setting of supporting the U type shell fragment in the hollow board, according to the height of donor, adjust the height of supporting the hollow board, press down the button head lockpin on the U type shell fragment, can adjust the height of hollow backup pad for the hollow backup pad slides in L type hollow board, slides to the most comfortable position of donor after, and the button head lockpin locks hollow backup pad, thereby lets the height of hollow backup pad can adapt to the donor of different heights, makes the donor of different heights can be better hold the arm on the arm layer board.

3. Through setting up of limit gear and slip lockpin, according to the arm comfort level of donor, adjust the angle of arm layer board, stir the slip lockpin for it separates with limit gear, then rotate the bracing piece, thereby adjust the angle of arm layer board, rotate the best position of donor comfort back, release the slip lockpin, thereby rebound under the effect of second limit spring and lock the angle of locking the limit gear and adjust good arm layer board, through the setting of block and sliding tray, can be according to the arm of donor and bend and stretch comfort level, the back-and-forth slip handrail, make the better support the arm of donor on the arm layer board, the comfortable experience of donation of having improved the donor is felt, be favorable to going on smoothly of donation work more.

Drawings

Fig. 1 is a perspective view of a chair with adjustable armrests according to the present utility model.

Fig. 2 is a schematic structural view of a chair with adjustable armrests according to the present utility model.

FIG. 3 is an exploded view of an armrest structure of an armrest-adjustable lancing chair according to the present utility model.

Fig. 4 is a partially enlarged schematic view of the structure at a in fig. 3.

FIG. 5 is a schematic plan sectional view of the positioning mechanism of the present utility model

Fig. 6 is a schematic cross-sectional view of a hollow support plate according to the present utility model.

Fig. 7 is a partially enlarged schematic view of the structure at B in fig. 6.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a seat; 2. a cavity; 3. a hollow slider; 4. an L-shaped hollow slab; 5. a hollow support plate; 6. a support rod; 7. an arm support plate; 8. positioning a sliding block; 9. a positioning spring; 10. a cylindrical pin; 11. a chute; 12. an inclined slide bar; 13. a push rod; 14. a transverse pushing plate; 15. limiting the sliding hole; 16. a limiting block; 17. a first limit spring; 18. a U-shaped elastic sheet; 19. a first limiting plate; 20. a rounded-end locking pin; 21. a limit gear; 22. a sliding lock pin; 23. a second limiting plate; 24. a second limit spring; 25. a sliding groove; 26. the block is clamped.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 7:

the utility model provides a blood sampling chair with adjustable armrests, which comprises a seat 1, wherein cavities 2 are formed in two side surfaces of the seat 1, hollow sliding blocks 3 are clamped in the two cavities 2, an L-shaped hollow plate 4 is connected in a sliding manner in the hollow sliding blocks 3, a positioning mechanism used for the sliding of the L-shaped hollow plate 4 is arranged in the L-shaped hollow plate 4, a hollow supporting plate 5 is arranged at the upper end of the L-shaped hollow plate 4 in a sliding manner, a retaining mechanism used for the sliding of the hollow supporting plate 5 is arranged in the hollow supporting plate 5, a supporting rod 6 positioned above the retaining mechanism is connected in a rotating manner in the hollow supporting plate 5, a clamping mechanism used for the rotating of the supporting rod 6 is arranged between the hollow supporting plate 5 and the supporting rod 6, and an arm supporting plate 7 is connected to the upper end of the supporting rod 6. After sitting on the seat 1, the donor can adjust the positions of the hollow sliding block 3, the L-shaped hollow plate 4, the hollow supporting plate 5 and the supporting rod 6 in the handrail of the seat 1 according to the body type, the height and the comfort level of the arm flexion and extension degree, and the positioning mechanism, the retention mechanism and the clamping mechanism are used for improving the comfort experience of the donor, so that the blood collection work can be smoothly carried out.

Wherein the positioning mechanism comprises a positioning slide block 8 positioned at the bottom of an L-shaped hollow plate 4, the positioning slide block 8 is slidably connected with the bottom of the L-shaped hollow plate 4, one side of the positioning slide block 8 is provided with a positioning spring 9, the other end of the positioning spring 9 is abutted on the inner wall of the L-shaped hollow plate 4, the other side of the positioning slide block 8 is connected with a cylindrical pin 10, the cylindrical pin 10 penetrates through the side wall of the L-shaped hollow plate 4 to be clamped with the hollow slide block 3, a plurality of holes corresponding to the cylindrical pin 10 are arranged on the side wall of the hollow slide block 3 along the length direction array of the side wall, the cylindrical pin 10 penetrates through one of the holes, the top and the bottom of the positioning slide block 8 are provided with corresponding inclined grooves 11, the inclined slide rod 12 is slidably connected with an inclined slide rod 12, the upper end of the inclined slide rod 12 is connected with a push rod 13, the tail of the push rod 13 is provided with a transverse push plate 14, the two side walls of the L-shaped hollow plate 4 are provided with limiting slide holes 15 corresponding to the pushing direction of the transverse push plate 14, the transverse pushing plate 14 is slidingly connected with the limiting slide hole 15, the limiting block 16 is arranged at the bottom of the limiting slide hole 15 in the L-shaped hollow plate 4, a first limiting spring 17 is connected between the limiting block 16 and the transverse pushing plate 14, the relative width of two armrests is regulated by a positioning mechanism, the transverse pushing plate 14 is pressed down, the push rod 13 is driven to move downwards when the transverse pushing plate 14 moves downwards, the push rod 13 drives the inclined slide rod 12 to slide in the chute 11, the positioning slide block 8 in the L-shaped hollow plate 4 slides backwards, the positioning slide block 8 drives the cylindrical pin 10 to stretch backwards, the cylindrical pin 10 is separated from the hollow slide block 3, the L-shaped hollow plate 4 can slide leftwards and rightwards, after the most comfortable position of a hemostix is regulated, the transverse pushing plate 14 is released, the compressed first limiting spring 17 rebounds to reset the transverse pushing plate 14, and the positioning slide block 8 is simultaneously under the elastic resilience force of the compressed positioning spring 9, the cylindrical pin 10 is driven to return to a position and is continuously clamped in the corresponding hole on the side wall of the hollow sliding block 3, so that the relative width of the two armrests is adjusted, blood donors with different body types can be completely seated on the seat, and the arms of the blood donors are more comfortably supported on the arm supporting plate 7.

The positioning mechanism comprises a U-shaped elastic sheet 18 positioned at the bottom of the hollow supporting plate 5, the lower end of the U-shaped elastic sheet 18 is abutted to the bottom end of the hollow supporting plate 5, the upper end of the U-shaped elastic sheet 18 is abutted to a first limiting plate 19 positioned in the hollow supporting plate 5, a supporting rod 6 is rotatably connected to one side of the top end of the first limiting plate 19, round head lock pins 20 are connected to the side wall corresponding to the round head lock pins 20 on the L-shaped hollow plate 4 along the length direction of the side wall, a plurality of holes are distributed on the side wall corresponding to the round head lock pins 20, the round head lock pins 20 penetrate through the hollow supporting plate 5 and are arranged in one of the holes on the side wall of the L-shaped hollow plate 4 in a penetrating mode, the U-shaped elastic sheet 18 is adjusted, the height of the hollow supporting plate 5 is adjusted according to the height of a donor, the U-shaped elastic sheet 18 is pressed down, the hollow supporting plate 5 is pulled after the round head lock pins 20 which is fixed on the L-shaped hollow supporting plate 4, the hollow supporting plate 5 slides in the L-shaped hollow plate 4, the round head lock pins 20 are released after the round head lock pins 20 slide in the L-shaped hollow plate 4 to the most comfortable position of the hollow plate 4, and then the round head lock pins 20 are continuously locked in the action of the U-shaped elastic sheet 18 at the position of the side wall corresponding to the position of the round head lock pins 4 under the effect of the action of the U-shaped elastic sheet 18, the effect that the height is better fit to the height of the arm 4 and the arm.

The clamping mechanism comprises a limit gear 21 which is arranged on the support rod 6 in a sleeved mode at the top of the hollow support plate 5, a sliding lock pin 22 is clamped in a concave tooth groove at one side of the limit gear 21, a second limit spring 24 is arranged at the other side of the sliding lock pin 22, the other end of the second limit spring 24 is abutted to the inner side wall of the hollow support plate 5, a second limit plate 23 which is arranged at the bottom of the sliding lock pin 22 is arranged in the hollow support plate 5, a sliding hole corresponding to the sliding lock pin 22 is formed in a top plate of the hollow support plate 5, the sliding lock pin 22 is shifted to enable the sliding lock pin 22 to be separated from the limit gear 21, then the support rod 6 is rotated, the sliding lock pin 22 is released after the angle of the arm support plate 7 is adjusted, the sliding lock pin 22 is released under the action of the second limit spring 24 and the limit of the sliding hole in the top plate 5, the angle of the limiting gear 21 is locked, and therefore the angle of the arm 7 is adjusted, and a donor can adjust the angle of the arm 7 according to the arm stretching degree of the donor, comfort of the donor is improved, and smooth blood collection work is facilitated.

Wherein, the sliding tray 25 has all been seted up along its length direction to cavity 2 top surface and bottom surface, hollow sliding block 3 top and bottom all are provided with the card that corresponds with sliding tray 25 and establish piece 26, block 26 sliding connection is established in sliding tray 25, block 26 is established to the card in the sliding tray 25, drive hollow sliding block 3 and slide back and forth in cavity 2, thereby drive whole handrail back and forth movement, make the donor can adjust the most comfortable position according to own arm degree of extension, when improving the comfortable experience of donor, make the arm be in the blood sampling best state, be favorable to medical personnel to take a blood sample work more.

Wherein, bracing piece 6 passes the roof and the arm layer board 7 of second limiting plate 23 and hollow backup pad 5 to be connected, and the cover is equipped with the foam-rubber cushion on the arm layer board 7, and the donor puts the arm on the foam-rubber cushion on the arm layer board 7 for the arm is in a more comfortable state, has improved the travelling comfort of donor.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. The utility model provides a blood sampling chair with adjustable handrail, its characterized in that, including seat (1), cavity (2) have all been seted up to seat (1) both sides face, all block and be equipped with hollow sliding block (3) in two cavities (2), sliding connection has L type hollow board (4) in hollow sliding block (3), be provided with in L type hollow board (4) and be used for its sliding back positioning mechanism, hollow backup pad (5) are worn to be equipped with in L type hollow board (4) upper end slip, be provided with in hollow backup pad (5) and be used for its gliding retention mechanism, hollow backup pad (5) internal rotation is connected with bracing piece (6) that are located retention mechanism top, be provided with between hollow backup pad (5) and bracing piece (6) and be used for the card after bracing piece (6) rotate to establish the mechanism, bracing piece (6) upper end connection has arm (7).

2. The chair of claim 1, wherein: the positioning mechanism comprises a positioning slide block (8) positioned at the bottom of an L-shaped hollow plate (4), the positioning slide block (8) is slidably connected to the bottom end of the L-shaped hollow plate (4), one side of the positioning slide block (8) is provided with a positioning spring (9), the other end of the positioning spring (9) is abutted to the inner wall of the L-shaped hollow plate (4), the other side of the positioning slide block (8) is connected with a cylindrical pin (10), the cylindrical pin (10) penetrates through the side wall of the L-shaped hollow plate (4) and is clamped with the hollow slide block (3), a plurality of holes corresponding to the cylindrical pin (10) are formed in the side wall of the hollow slide block (3) along the length direction array of the side wall, the cylindrical pin (10) is arranged in one of the holes in a penetrating mode, a corresponding chute (11) is formed in the top and the bottom of the positioning slide block (8), an inclined slide rod (12) is connected in a sliding mode, the upper end of the inclined slide rod (12) is connected with a push rod (13), the tail of the push rod (13) is provided with a transverse push plate (14), the side wall of the L-shaped hollow plate (4) penetrates through the two limiting blocks (14) and is provided with limiting blocks (15) corresponding to the limiting blocks (15), a first limiting spring (17) is connected between the limiting block (16) and the transverse pushing plate (14).

3. The chair of claim 1, wherein: the utility model provides a hollow board, including hollow backup pad (5) bottom, location mechanism is including being located U type shell fragment (18) of hollow backup pad (5) bottom, U type shell fragment (18) lower extreme butt is in hollow backup pad (5) bottom, and the upper end butt has first limiting plate (19) that are located hollow backup pad (5), rotate on first limiting plate (19) and be connected with bracing piece (6), U type shell fragment (18) top one side is connected with button head lockpin (20), a plurality of holes have been distributed along its length direction array on the lateral wall that L type hollow board (4) and button head lockpin (20) correspond, button head lockpin (20) pass hollow backup pad (5) and wear to establish in one of them downthehole of L type hollow board (4) lateral wall.

4. The chair of claim 1, wherein: the clamping mechanism comprises a limiting gear (21) which is arranged on the supporting rod (6) in a sleeved mode at the top of the hollow supporting plate (5), a sliding lock pin (22) is arranged in a concave tooth groove on one side of the limiting gear (21), a second limiting spring (24) is arranged on the other side of the sliding lock pin (22), the other end of the second limiting spring (24) is abutted to the inner side wall of the hollow supporting plate (5), a second limiting plate (23) which is arranged at the bottom of the sliding lock pin (22) is arranged in the hollow supporting plate (5), and a sliding hole corresponding to the sliding lock pin (22) is formed in the top plate of the hollow supporting plate (5).

5. The chair of claim 1, wherein: the top surface and the bottom surface of the cavity (2) are provided with sliding grooves (25) along the length direction, the top and the bottom of the hollow sliding block (3) are provided with clamping blocks (26) corresponding to the sliding grooves (25), and the clamping blocks (26) are slidably connected in the sliding grooves (25).

6. The chair of claim 4, wherein: the supporting rod (6) penetrates through the second limiting plate (23) and the top plate of the hollow supporting plate (5) to be connected with the arm supporting plate (7), and a sponge cushion is sleeved on the arm supporting plate (7).