CN110812097A

CN110812097A - Sliding headrest

Info

Publication number: CN110812097A
Application number: CN201910977666.5A
Authority: CN
Inventors: 李辉文; 何建华; 李全; 李科良; 林振作; 陈德明; 唐泽春
Original assignee: Foshan Chuangxin Medical Appratus Co Ltd
Current assignee: Foshan Chuangxin Medical Appratus Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-02-21

Abstract

The invention discloses a sliding headrest which comprises an inserting rod, wherein a rotating shaft is arranged at the upper end of the inserting rod, a connecting lug is hinged on the rotating shaft, a shaft hole is formed in the upper end of the connecting lug, a hinged shaft is arranged in the shaft hole, a rotating seat is sleeved on the hinged shaft, an installation shell is arranged on the front side of the rotating seat, a headrest component is installed on the installation shell, the installation shell is connected to the rotating seat in a vertically and freely sliding mode, and can freely slide vertically relative to the rotating seat through the installation shell, so that the posture change headrest in the lying process of a patient can change along with the installation shell, the situation that the head of the patient cannot be supported due to posture change is avoided, the patient cannot lie comfortably in the treatment process, and the use requirements of people cannot be met.

Description

Sliding headrest

Technical Field

The invention relates to the field of medical instruments, in particular to a sliding headrest.

Background

The chair for dental patient of dental comprehensive therapeutic machine is composed of back rest, cushion and pillow, and can be lifted and lowered, and the pillow can be extended and retracted by a certain extent and can be rotated by two joints. However, in the pitching of the backrest, the patient can shift with the pillow and the backrest, and the shift causes the patient to feel clean and uncomfortable in the process of pulling.

The headrest of current patient chair can only adjust in advance, can't follow the patient and remove at the in-process patient's that lies emergence displacement headrest to lead to the head of patient at this in-process can't obtain supporting, can only stop to adjust the position of posture or regulation headrest, this process need stop the treatment, lead to inefficiency patient's head and neck very tired because can not support simultaneously, can not satisfy people's user demand.

Accordingly, there is a need to provide a sliding headrest that solves this problem.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a sliding headrest.

In order to achieve the purpose, the invention adopts the following scheme:

the utility model provides a slip headrest, is including the inserted bar the inserted bar upper end is equipped with the pivot articulated in the pivot have the engaging lug upper end is equipped with the shaft hole be equipped with the articulated shaft in the shaft hole the cover is equipped with rotates the seat on the articulated shaft rotate the seat front side and be equipped with the installation casing install the headrest subassembly on the installation casing, the free sliding connection is on rotating the seat about the installation casing, can be for rotating the seat free slip from top to bottom through installation casing to the realization is lying posture change headrest of in-process at the patient and can be followed the change, prevents because posture change head can not obtain the support, leads to the patient can't obtain comfortable lying in the treatment process, can not satisfy people's user demand.

Further, bilateral symmetry is equipped with the guide post on the installation casing the guide slot that runs through around being equipped with on the installation casing of guide post rear side rotate the seat front end and be equipped with the sliding block, the sliding block passes the guide slot and extends to in the installation casing be equipped with the guiding hole on the position that the sliding block corresponds the guide post, the guide post plug in the guiding hole, peg graft in the guide post through the sliding block, the patient leans on the headrest subassembly, and installation casing body realization relative sliding block removes when the appearance of lying changes, realizes following the regulation, guarantees that patient's head obtains supporting, accords with the user demand.

Further, be equipped with the guide rail on the installation casing rear end, be equipped with the guide block on the terminal surface before the seat rotates, the guide block is pegged graft in the guide rail, and through the sliding fit of guide block and guide rail, the patient leans on the headrest subassembly, installs the casing and can remove relative guide block when the appearance of lying changes, realizes following the regulation, guarantees that patient's head obtains supporting, accords with the user demand.

Furthermore, the headrest subassembly is including setting up the mounting bracket on the installation casing the mounting bracket front side-mounting has the mounting panel be equipped with the headrest on the mounting panel, simple structure, simple to operate is convenient for constitute fast and the later maintenance is dismantled, accords with the user demand.

Preferably, be equipped with horizontal logical groove on the engaging lug be equipped with on the engaging lug and drive horizontal logical groove and make the engaging lug produce the locking device that deformation locked pivot and articulated shaft, can realize preventing through locking device that the headrest from rotating at will, guarantee comfortable angle.

Preferably, locking device is including setting up the logical groove on the engaging lug rear end be equipped with the nut in the engaging lug logical groove department is equipped with the recess be equipped with the backing plate in the recess be equipped with the through-hole on the backing plate it has the bolt to peg graft on the through-hole, bolt and nut threaded connection the bolt outer end is equipped with the knob be equipped with the packing ring between backing plate and the knob, orders about the bolt through rotatory knob and rotates for the nut, makes the engaging lug deformation lock pivot and articulated shaft, prevents that the headrest from rotating at will, guarantees the comfort level of patient's process of lying.

In summary, compared with the prior art, the invention has the beneficial effects that:

according to the invention, the mounting shell can freely slide up and down relative to the rotating seat, so that the posture change headrest of a patient can change along with the lying process, and the situation that the head cannot be supported due to the posture change, so that the patient cannot comfortably lie in the treatment process, and the use requirements of people cannot be met is prevented.

Drawings

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a second perspective view of the present invention;

FIG. 5 is a second cross-sectional view of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

as shown in fig. 1 to 5, a sliding headrest comprises an insertion rod 1, wherein a rotating shaft 11 is arranged at the upper end of the insertion rod 1, a connecting lug 22 is hinged to the rotating shaft 11, a shaft hole 131 is arranged at the upper end of the connecting lug 22, a hinge shaft 13 is arranged in the shaft hole 131, a rotating seat 14 is sleeved on the hinge shaft 13, an installation shell 12 is arranged on the front side of the rotating seat 14, a headrest component 120 is installed on the installation shell 12, the installation shell 12 is freely slidably connected to the rotating seat 14 up and down, and the installation shell 12 can freely slide up and down relative to the rotating seat 14, so that the posture change headrest in the lying process of a patient can change along with the change, and the situation that the head of the patient cannot be supported due to the posture change is prevented, the patient cannot comfortably lie in the treatment process, and the use requirements of people cannot be met.

As shown in fig. 1 to 5, guide posts 15 are symmetrically arranged on the mounting shell 12 in a left-right manner, a front-back through guide groove 151 is arranged on the mounting shell 12 behind the guide posts 15, a sliding block 141 is arranged at the front end of the rotating seat 14, the sliding block 141 penetrates through the guide groove 151 and extends into the mounting shell 12, a guide hole is arranged at the position, corresponding to the guide post 15, of the sliding block 141, the guide posts 15 are inserted into the guide hole and inserted into the guide posts through the sliding block, a patient leans against the headrest assembly, the mounting shell moves relative to the sliding block when the lying posture changes, the following adjustment is realized, the head of the patient is guaranteed to be supported, and the use requirement is met.

As shown in fig. 1 to 5, a guide rail is arranged at the rear end of the mounting shell 12, a guide block is arranged on the front end face of the rotating seat 14, the guide block is inserted into the guide rail, a patient leans against the headrest component through the sliding fit of the guide block and the guide rail, the mounting shell can move relative to the guide block when the lying posture changes, the following adjustment is realized, the head of the patient is guaranteed to be supported, and the use requirement is met.

As shown in fig. 1 to 5, the headrest assembly 120 comprises an installation frame 18 arranged on the installation shell 12, an installation plate 16 is installed on the front side of the installation frame 18, and a headrest 17 is arranged on the installation plate 16, so that the headrest assembly is simple in structure, convenient to install, convenient to assemble, and convenient to assemble, quickly assemble and disassemble for later maintenance, and meets the use requirement.

As shown in fig. 1 to 5, the connecting lug 22 is provided with a transverse through groove 21, the connecting lug 22 is provided with a locking device 2 capable of driving the transverse through groove 21 to deform the connecting lug 22 so as to lock the rotating shaft 11 and the hinge shaft 13, and the locking device can prevent the headrest from rotating randomly and ensure a comfortable angle.

As shown in fig. 1 to 5, the locking device 2 comprises a through groove 20 arranged at the rear end of a connecting lug 22, a nut 27 is arranged in the connecting lug 22, a groove 26 is arranged at the position of the through groove 20, a backing plate 23 is arranged in the groove 26, a through hole is formed in the backing plate 23, a bolt 28 is inserted into the through hole and is in threaded connection with the nut 27, a knob 24 is arranged at the outer end of the bolt 28, a gasket 25 is arranged between the backing plate 23 and the knob 24, the bolt is driven to rotate relative to the nut through rotating the knob, the connecting lug is deformed to lock the rotating shaft 11 and the hinge shaft 13, the headrest is prevented from rotating randomly, and the comfort level of the lying process of a patient is ensured.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a slip headrest, is including peg graft pole (1) upper end is equipped with pivot (11) articulated on pivot (11) have engaging lug (22) upper end is equipped with shaft hole (131) be equipped with articulated shaft (13) in shaft hole (131) articulated shaft (13) are gone up the cover and are equipped with and rotate seat (14) it is equipped with installation casing (12) to rotate seat (14) front side install headrest subassembly (120), its characterized in that on installation casing (12): the mounting shell (12) is connected to the rotating seat (14) in a vertically and freely sliding manner.

2. The sliding headrest according to claim 1, wherein the mounting shell (12) is symmetrically provided with guide posts (15), the mounting shell (12) behind the guide posts (15) is provided with guide slots (151) penetrating forward and backward, the front end of the rotating seat (14) is provided with a sliding block (141), the sliding block (141) passes through the guide slots (151) and extends into the mounting shell (12), the sliding block (141) is provided with guide holes corresponding to the guide posts (15), and the guide posts (15) are inserted into the guide holes.

3. The headrest according to claim 1, wherein a guide rail is provided at a rear end of the housing (12), and a guide block is provided at a front end surface of the rotary base (14), the guide block being inserted into the guide rail.

4. A sliding head restraint according to any one of claims 1-3, characterized in that the head restraint assembly (120) comprises a mounting bracket (18) provided on the mounting housing (12), a mounting plate (16) is mounted on the front side of the mounting bracket (18), and a head restraint (17) is provided on the mounting plate (16).

5. A sliding headrest according to any one of claims 1 to 3, characterised in that said lugs (22) are provided with transverse through slots (21), and in that said lugs (22) are provided with locking means (2) able to actuate said transverse through slots (21) to deform said lugs (22) to lock said pivot (11) and said articulation axis (13).

6. A sliding headrest according to claim 5, characterised in that said locking means (2) comprises a through slot (20) provided at the rear end of the engaging lug (22), a nut (27) being provided in said engaging lug (22), a recess (26) being provided at said through slot (20), a backing plate (23) being provided in said recess (26), a through hole being provided in said backing plate (23), a bolt (28) being inserted in said through hole, said bolt (28) being in threaded connection with said nut (27), a knob (24) being provided at the outer end of said bolt (28), a washer (25) being provided between said backing plate (23) and said knob (24).