CN214965629U

CN214965629U - Arm fixer with adjustable height and angle

Info

Publication number: CN214965629U
Application number: CN202120382760.9U
Authority: CN
Inventors: 杨晶; 孙玉发; 丁慧芳
Original assignee: No305 Hospital Of Pla
Current assignee: No305 Hospital Of Pla
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-12-03
Anticipated expiration: 2031-02-20

Abstract

The utility model discloses an arm fixer of adjustable height and angle, the on-line screen storage device comprises a base, the inside symmetry of base is equipped with two rectangle spouts, and two symmetric distribution, two around the rectangle spout is the equal sliding connection in inside of rectangle spout has fixing device, just fixing device includes the T type slider with rectangle spout inner wall sliding connection, the lower extreme threaded connection of T type slider has first threaded rod. This arm fixer can be fixed in on horizontal desktop and the wheelchair handrail, is applicable to various planes, does not confine the blood sampling operation panel to the horizontal plane, can carry out corresponding height and arm inclination's regulation according to different crowds' height and position, great improvement blood sampling success rate and blood sampling time, also guaranteed the comfort level of blood sampling in-process.

Description

Arm fixer with adjustable height and angle

Technical Field

The utility model relates to a technical field is used in the venous blood sampling, especially relates to an arm fixer of adjustable height and angle.

Background

At present, a small pulse pillow is mostly used to be placed below a blood sampling arm in a blood sampling room of a hospital, and most blood sampling operation platforms are horizontal planes and the heights of the blood sampling operation platforms are fixed and not adjustable.

Because blood sampling desktop level does not conform to the position when taking a blood sample, and high fixed, the pulse pillow can be neglected on height-adjusting's effect almost, and the person is high different, and often during many people's elbow blood sampling, the arm can't be stretched, perhaps will adjust the position, influences the success rate of taking a blood sample, and the blood sampling time, the comfort level is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an arm fixer with adjustable height and angle.

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

an arm fixer with adjustable height and angle comprises a base, wherein two rectangular sliding grooves are symmetrically arranged in the base and are symmetrically distributed front and back, a fixing device is slidably connected in the two rectangular sliding grooves and comprises a T-shaped sliding block which is slidably connected with the inner wall of the rectangular sliding groove, the lower end of the T-shaped sliding block is in threaded connection with a first threaded rod, the outer end of the first threaded rod is fixedly connected with a rotary block, the inner end of the first threaded rod is fixedly connected with a fixing plate, the upper end of the base is provided with four guide grooves which are in rectangular distribution, guide columns are slidably connected in the guide grooves, the upper ends of the guide columns are fixedly connected with a lifting platform which is parallel to the base, baffle plates are symmetrically arranged front and back on the upper ends of the lifting platform, and a bearing plate is rotatably connected to the left end of the lifting platform, an angle adjusting mechanism is installed between the bearing plate and the lifting platform, and a height adjusting mechanism is installed between the lifting platform and the base.

Preferably, the angle adjusting mechanism comprises a gear fixedly connected to the lower end of the bearing plate, a sliding groove is formed in the left end of the lifting platform, a rack is connected to the inside of the sliding groove in a sliding mode, a spring is fixedly connected between the rack and the inner wall of the sliding groove, and the gear is meshed with the rack.

Preferably, height adjusting mechanism is including rotating the threaded cylinder of connection in the upper end positive centre of base, the inside threaded connection of threaded cylinder has the second threaded rod, be fixed connection between the upper end of second threaded rod and the lower extreme of elevating platform.

Preferably, a tourniquet groove is formed in the middle of the upper end of the supporting plate, and the width of the tourniquet groove is 1.5 cm.

Preferably, the base is a square with the side length of 6cm, and a sucker with the diameter of 3cm is installed in the middle of the lower end of the base.

Preferably, two rectangle spout is equipped with the opening at the lower extreme of base, and the width of opening is less than the width in the rectangle spout.

In the utility model, when the utility model is used on the horizontal table top, the stability is enhanced by the suction force between the sucking disc at the lower end of the base and the horizontal table top; when using on the wheelchair handrail, with fixing device roll-off in the rectangle spout, rotate the interval of two fixed plates of piece adjustment soon, thereby can fix whole arm fixer centre gripping on the handrail through the sucking disc of two fixed plates and base lower extreme, through the height of manual rotation screw thread section of thick bamboo adjustment elevating platform, make it separately with the gear through manual slip rack, after rotating the bearing board and adjusting the angle, resume the rack, under the elastic force effect of spring, the gear keeps meshing stable with the rack, the bearing board also can be stable, alright with place the arm on the bearing board and carry out blood sampling work.

This arm fixer can be fixed in on horizontal desktop and the wheelchair handrail, is applicable to various planes, does not confine the blood sampling operation panel to the horizontal plane, can carry out corresponding height and arm inclination's regulation according to different crowds' height and position, great improvement blood sampling success rate and blood sampling time, also guaranteed the comfort level of blood sampling in-process.

Drawings

Fig. 1 is a schematic structural view of an arm fixing device with adjustable height and angle according to the present invention;

FIG. 2 is a side schematic view of the fixture of FIG. 1;

fig. 3 is an enlarged view of a point a in fig. 1.

In the figure: the tourniquet comprises a base 1, a rectangular sliding groove 2, a guide groove 3, a guide post 4, a lifting table 5, a sliding block 6T-shaped, a first threaded rod 7, a threaded cylinder 8, a second threaded rod 9, a baffle 10, a tourniquet groove 11, a bearing plate 12, a gear 13, a spring 14, a rack 15, a sliding groove 16, a fixing plate 17, a sucker 18 and a rotary block 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an arm fixer with adjustable height and angle comprises a base 1, wherein two rectangular sliding grooves 2 are symmetrically arranged inside the base 1, the two rectangular sliding grooves 2 are symmetrically distributed in the front and back direction, fixing devices are slidably connected inside the two rectangular sliding grooves 2 respectively, each fixing device comprises a T-shaped sliding block 6 which is slidably connected with the inner wall of the rectangular sliding groove 2, the lower end of each T-shaped sliding block 6 is connected with a first threaded rod 7 in a threaded manner, and the outer end of each first threaded rod 7 is fixedly connected with a rotary block 19 for rotating the first threaded rod 7; the inner end of the first threaded rod 7 is fixedly connected with a fixing plate 17, so that the whole arm fixer can be clamped and fixed on a wheelchair armrest;

the upper end of the base 1 is provided with four guide grooves 3 which are distributed in a rectangular shape, and guide columns 4 are connected in the guide grooves 3 in a sliding manner, so that a lifting platform 5 positioned at the upper end of the guide grooves can be kept stable in the lifting process, and the guide grooves do not rotate and deviate; the upper end of the guide post 4 is fixedly connected with a lifting platform 5 parallel to the base 1, and the lifting platform 5 is used for placing an arm; the upper end of the lifting platform 5 is symmetrically provided with baffle plates 10 in front and back, the left end of the lifting platform 5 is rotatably connected with a bearing plate 12, and the bearing plate 12 is used for bearing the arm for blood collection; an angle adjusting mechanism is arranged between the bearing plate 12 and the lifting platform 5, and a height adjusting mechanism is arranged between the lifting platform 5 and the base 1.

The utility model discloses in, angle adjustment mechanism includes gear 13 of fixed connection at the lower extreme of bearing board 12, and the left end of elevating platform 5 is equipped with sliding tray 16, and sliding tray 16's inside sliding connection has rack 15, fixedly connected with spring 14 between the inner wall of rack 15 and sliding tray 16, and gear 13 is connected for the meshing with rack 15, and when gear 13 and rack 15 meshing, spring 14 is in compression state.

The height adjusting mechanism comprises a threaded cylinder 8 which is rotatably connected to the middle of the upper end of the base 1, and a second threaded rod 9 is connected to the inner thread of the threaded cylinder 8 and is used for supporting the height adjustment of the lifting platform 5; a through groove for the second threaded rod 9 to extend downwards is arranged at the corresponding position of the base 1 at the lower end of the threaded cylinder 8; the upper end of the second threaded rod 9 is fixedly connected with the lower end of the lifting platform 5.

A tourniquet groove 11 is arranged in the middle of the upper end of the supporting plate 12 and can be used for placing a tourniquet; and the width of the tourniquet groove 11 is 1.5 cm; the base 1 is a square with the side length of 6cm, the sucker 18 with the diameter of 3cm is installed in the middle of the lower end of the base 1, and the suction force between the sucker 18 and the horizontal desktop can keep stable when the arm fixer is placed, so that the arm fixer can be suitable for various planes.

The two rectangular sliding grooves 2 are provided with openings at the lower end of the base 1, when the wheelchair is used on a horizontal desktop, the whole fixing device can be contained in the rectangular sliding grooves 2, and when the wheelchair is used on a wheelchair armrest, the fixing device can slide out of the rectangular sliding grooves 2 and is further fixed on the armrest; and the width of the opening is smaller than the width in the rectangular sliding groove 2, so that the upper end of the T-shaped sliding block 6 can not slide out of the rectangular sliding groove 2, and the lower end part of the T-shaped sliding block 6 can penetrate through the opening.

In the utility model, when in use, the whole device is firstly placed and fixed on a horizontal desktop or a wheelchair handrail, when in use on the horizontal desktop, the base 1 is placed on the desktop, the fixing device is contained in the rectangular chute 2, and the stability is enhanced by the suction force between the sucker 18 at the lower end of the base 1 and the horizontal desktop; when the fixing device is used on the armrest of the wheelchair, the fixing device can slide out of the rectangular sliding groove 2, the base 1 is placed on the armrest, the rotating block 19 is rotated to adjust the distance between the two fixing plates 17, and therefore the whole arm fixer can be clamped and fixed on the armrest through the two fixing plates 17 and the sucking discs 18 at the lower end of the base 1;

when the height of the lifting platform 5 needs to be adjusted, the second threaded rod 9 is lifted or lowered by manually rotating the threaded cylinder 8, so that the height of the lifting platform 5 is adjusted; when the angle of the supporting plate 12 needs to be adjusted, a user manually slides the rack 15 to separate the rack from the gear 13, rotates the supporting plate 12, restores the position of the rack 15 after the angle is adjusted, and the gear 13 and the rack 15 are stably meshed under the action of the elastic force of the spring 14, so that the supporting plate 12 can be stable, and the arm can be placed on the supporting plate 12 for blood sampling.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The arm fixer with the adjustable height and the adjustable angle comprises a base (1) and is characterized in that two rectangular sliding grooves (2) are symmetrically arranged in the base (1), the two rectangular sliding grooves (2) are symmetrically distributed in the front and the back, a fixing device is connected in the two rectangular sliding grooves (2) in a sliding manner, the fixing device comprises a T-shaped sliding block (6) connected with the inner wall of each rectangular sliding groove (2) in a sliding manner, a first threaded rod (7) is connected to the lower end of the T-shaped sliding block (6) in a threaded manner, a rotary block (19) is fixedly connected to the outer end of the first threaded rod (7), a fixing plate (17) is fixedly connected to the inner end of the first threaded rod (7), four guide grooves (3) which are distributed in a rectangular manner are arranged at the upper end of the base (1), and guide columns (4) are connected to the inner portions of the guide grooves (3) in a sliding manner, the utility model discloses a guide post, including guide post (4), the upper end fixedly connected with of guide post (4) and base (1) parallel elevating platform (5), baffle (10) are installed to the upper end front and back symmetry of elevating platform (5), the left end of elevating platform (5) is rotated and is connected with bearing board (12), install angle adjustment mechanism between bearing board (12) and elevating platform (5), install high adjustment mechanism between elevating platform (5) and base (1).

2. The arm fixer with adjustable height and angle according to claim 1, wherein the angle adjusting mechanism comprises a gear (13) fixedly connected to the lower end of the supporting plate (12), the left end of the lifting platform (5) is provided with a sliding groove (16), a rack (15) is slidably connected inside the sliding groove (16), a spring (14) is fixedly connected between the rack (15) and the inner wall of the sliding groove (16), and the gear (13) is in meshed connection with the rack (15).

3. The arm fixer with adjustable height and angle according to claim 1, wherein the height adjusting mechanism comprises a threaded cylinder (8) rotatably connected to the middle of the upper end of the base (1), a second threaded rod (9) is connected to the inner thread of the threaded cylinder (8), and the upper end of the second threaded rod (9) is fixedly connected with the lower end of the lifting platform (5).

4. The arm fixator with adjustable height and angle according to claim 1, characterized in that a tourniquet groove (11) is provided in the middle of the upper end of the supporting plate (12), and the width of the tourniquet groove (11) is 1.5 cm.

5. The arm holder with adjustable height and angle of claim 1, wherein the base (1) is a square with a side length of 6cm, and a suction cup (18) with a diameter of 3cm is installed in the middle of the lower end of the base (1).

6. An arm holder with adjustable height and angle according to claim 1, characterized in that the two rectangular sliding grooves (2) are provided with openings at the lower end of the base (1), and the width of the openings is smaller than the width in the rectangular sliding grooves (2).