CN113995256A

CN113995256A - Arm-rest of doctor's seat

Info

Publication number: CN113995256A
Application number: CN202111375687.3A
Authority: CN
Inventors: 陈宇豪; 杨楚
Original assignee: Kanghui Medical Technology Suzhou Co ltd
Current assignee: Kanghui Medical Technology Suzhou Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-02-01

Abstract

The invention relates to an armrest of a doctor seat, which comprises an armrest frame with a support frame plate and a support frame rod, an armrest pad, a universal rotating joint and a locking piece, wherein the universal rotating joint is arranged close to the front end of the support frame plate; after the locking piece is eliminated by external force, the lever is recovered under the dead weight, the locking piece locks the universal rotating joint, and the positions of the support frame plate and the support frame rod are relatively fixed. The armrest of the invention can realize any angle adjustment of the armrest frame under the unlocking or locking of the universal rotating joint, and can realize free locking under the condition that the locking piece loses external force, thereby being very convenient to implement, therefore, the armrest can meet the requirement of armrest angle support required by different doctors during work or rest.

Description

Arm-rest of doctor's seat

Technical Field

The invention belongs to the field of medical instruments, and particularly relates to an armrest of a doctor seat.

Background

As is well known, when a doctor performs an examination or a treatment operation for a long time, physical fatigue is likely to occur, and if the fatigue of the limbs cannot be relieved, the operation is unstable, and the result of the treatment or the examination is directly affected.

At present, for a doctor seat, the doctor seat comprises a seat, armrests and a walking wheel assembly, wherein the adopted armrests are generally fixed, so that the armrests cannot support at a proper angle when a doctor is at rest or works, and due to the difference of body types of the doctor, the common seat is difficult to meet the requirements of working or resting use.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an improved armrest of a doctor seat.

In order to solve the technical problems, the invention adopts the following technical scheme:

the armrest of the doctor seat comprises an armrest frame and an armrest pad, wherein the armrest frame comprises a support frame plate and a support frame rod, and particularly, the armrest of the doctor seat further comprises a universal rotating joint and a locking piece, wherein the universal rotating joint is connected between the support frame plate and the support frame rod, the locking piece extends into the universal rotating joint and is matched with the universal rotating joint to position the support frame plate and the support frame rod at a required position, the universal rotating joint is arranged close to the front end of the support frame plate, the locking piece extends towards the other end along the length direction of the support frame plate, the extending end is positioned below the corresponding end of the support frame plate, the locking piece is in a balance lever rod shape and is rotatably connected to the support frame plate, and when external force is applied and the locking piece is kept under stress, the locking piece, the universal rotating joint and the support frame plate are integrally and can be adjusted in universal rotation relative to the support frame rod; after the locking piece is subjected to external force elimination, the lever is recovered under the dead weight, the locking piece locks the universal rotating joint, and the support frame plate and the support frame rod are relatively fixed in position.

Preferably, the universal rotary joint comprises a ball seat and a ball head, wherein one of the ball seat and the ball head is connected with the support frame plate, the other of the ball seat and the ball head is connected with the support frame rod, and the ball seat and the ball head are locked or unlocked relatively by the locking piece. The universal rotary joint can be adopted to adjust the angle position at will, thereby meeting the requirements of different doctors on use habits.

According to a specific embodiment and preferred aspect of the present invention, the ball head is fixed to the support frame bar and the ball seat is fixed to the bottom of the support frame plate near the front end of the support frame plate. The arrangement is mainly convenient for assembly and is also beneficial to the stable implementation of the adjustment of the position of the handrail.

Preferably, the ball seat comprises an upper seat and a lower seat which form a ball head cavity, and a blocking piece, wherein the upper seat is fixed at the bottom of the support frame plate, the blocking piece relatively separates the upper seat from the lower seat, the lower seat elastically abuts against the blocking piece, and when the upper seat and the lower seat are relatively clamped on the opposite surface of the ball head, the universal rotating joint is in a locking state; when the upper seat and the lower seat are relatively separated and separated from the surface of the ball head, the universal rotating joint is in an unlocking state. The implementation is convenient, the stability is high, and a good support is formed.

According to a further embodiment and preferred aspect of the invention, the locking element is inserted from a compartment formed by the upper and lower seats, and when unlocked, the locking element struts the lower seat with respect to the upper seat. This embodiment is simple and the resulting locking and unlocking means are easy to operate.

Preferably, the locking piece comprises a locking tongue which is rotatably supported at the bottom of the upper seat and one end of the locking tongue extends into the interval area, and an operating hand lever connected to the other end of the locking tongue, wherein the operating hand lever comprises a connecting rod and a handle lever, and when the handle lever is held and the operating hand lever is lifted upwards, the locking tongue stirs downwards the lower seat around a supporting point to move away from the upper seat to unlock; when the operating handle rod is released, under the dead weight of the operating handle rod, the lock tongue resets, the lower seat relatively resets and is clamped on the ball head to form locking. The quick reset is implemented by utilizing a lever principle without adopting a reset piece.

Preferably, adopt the ball butt joint between seat of honour and the spring bolt, form the direction support frame in support frame plate bottom, establish on the direction support frame from operating handle pole when the spring bolt breaks away from the seat down. The embodiment is convenient for assembling and butting, and meanwhile, the butt joint of the balls which are relatively movable is convenient for assembling and more flexible so as to facilitate unlocking and locking.

According to another specific implementation and preferable aspect of the invention, the number of the blocking members is at least two, and two or more blocking members are distributed on two opposite sides of the ball head corresponding to the balls or are distributed at intervals around the circumference of the ball head, wherein each blocking member comprises an upper ball body and a lower ball body which are integrally arranged up and down, and the upper seat and the lower seat are respectively provided with mounting grooves matched with the upper ball body and the lower ball body. Therefore, under the condition of relative movable ball connection, the movable space of the upper seat and the lower seat after unlocking is increased, the universal rotation adjustment is more facilitated, the noise is low during rotation, and the abrasion to the ball head is small.

Preferably, the guide support frame comprises a U-shaped underframe with an opening facing the support frame plate, and connecting pieces which are upwards opened from two sides of the opening of the U-shaped underframe and are oppositely opened towards the two sides, wherein the connecting pieces are fixed at the bottom of the support frame plate, and the operating hand lever moves relatively close to or far away from the support frame plate along the side wall of the U-shaped underframe to unlock or lock the universal rotary joint. The lever movement is made more stable.

In addition, the support frame plate comprises a rectangular panel and folded plates which are bent downwards from two sides of the length direction of the rectangular panel, the armrest cushions are integrally arranged and comprise a first cushion body fixed on the rectangular panel, a second cushion body and a third cushion body which are respectively arranged at two sides of the length direction of the first cushion body, wherein the first cushion body, the second cushion body and the third cushion body form a bearing area with an upward opening. Therefore, the formed bearing area is not only comfortable, but also has a certain limiting effect, and the phenomenon that the supporting is lost due to the fact that the bearing area is accidentally separated from the handrail in the working process is avoided.

Meanwhile, the upper seat and the lower seat are elastically connected relatively through a connecting bolt and an elastic gasket which are arranged along the extending direction vertical to the upper seat.

Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:

the armrest of the invention can realize any angle adjustment of the armrest frame under the unlocking or locking of the universal rotating joint, and can realize free locking under the condition that the locking piece loses external force, thereby being very convenient to implement, therefore, the armrest can meet the requirement of armrest angle support required by different doctors during work or rest.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a structure of an armrest of the present invention;

FIG. 2 is a schematic front view of FIG. 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;

FIG. 5 is a schematic view of a portion of the structure of FIG. 1;

wherein: 1. a handrail frame; 10. a support frame plate; 100. a rectangular panel; 101. folding the plate; 11. a support frame rod; 110. a main rod; 111. an auxiliary rod; 2. a handrail pad; 21. a first pad body; 22. a second pad body; 23. a third pad body; 3. a universal rotational joint; 30. a ball head; 31. a ball seat; 310. an upper seat; 311. a lower seat; 312. a barrier; a. an upper sphere; b. a lower sphere; 313. an elastic connecting member; 4. a locking member; 40. a latch bolt; 41. an operating lever; 410. an extension arm; 411. a handle bar; 42. a ball bearing; 5. a guide support frame; 50. a U-shaped chassis; 51. and (7) connecting the sheets.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, 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," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" 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 at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the armrest for a doctor's seat according to the present embodiment includes an armrest frame 1, an armrest pad 2, a universal rotary joint 3, and a locking member 4.

Referring to fig. 2, the armrest frame 1 includes a support frame plate 10 and a support frame rod 11, wherein the support frame plate 10 includes a rectangular panel 100, and a folded plate 101 bent downward from two sides of the rectangular panel 100 in a length direction, the support frame rod 11 includes a main rod 110 and an auxiliary rod 111, wherein the main rod 110 is connected to the rectangular panel 100 by the universal rotary joint 3, and the auxiliary rod 111 is connected to the doctor seat.

In this example, the rectangular panel 100 and the flap 101 are integrally formed and are sheet metal parts.

The universal swivel joint 3 is disposed near the front end of the support frame plate 10, and the locking member 4 extends toward the other end along the length direction of the support frame plate 10, and the extending end is located below the corresponding end of the support frame plate 10.

As shown in fig. 3, the armrest pad 2 is also integrally disposed, and includes a first pad 21 fixed on the rectangular panel 100, a second pad 22 and a third pad 23 respectively disposed on two sides of the first pad 21 in the length direction, wherein the first pad 21, the second pad 22 and the third pad 23 form a support area with an upward opening. Therefore, the formed bearing area is not only comfortable, but also has a certain limiting effect, and the phenomenon that the supporting is lost due to the fact that the bearing area is accidentally separated from the handrail in the working process is avoided.

In this example, the arm rest mat 2 is a commonly used flexible mat.

As shown in fig. 4, the locking member 4 can extend into the universal joint 3 and cooperate with the universal joint 3 to position the support frame plate 10 and the support frame rod 11 at a desired position, and meanwhile, the locking member 4, under the action of external force and kept under stress, is adjusted in universal rotation with the universal joint 3 and the support frame plate 10 integrally relative to the support frame rod 11; after the external force applied to the locking member 4 is removed, the locking member 4 locks the universal rotary joint 3, and the positions of the support frame plate 10 and the support frame rod 11 are relatively fixed. Therefore, the universal rotary joint can be used for adjusting any required angle position, so that the requirements of different doctors on use habits can be met.

Referring to fig. 5, the universal swivel joint 3 includes a ball head 30 and a ball seat 31, wherein the ball head 30 is fixed on a main rod 110, and the ball seat 31 is fixed on the bottom of a rectangular panel 100. The arrangement is mainly convenient for assembly and is also beneficial to the stable implementation of the adjustment of the position of the handrail.

The ball seat 31 comprises an upper seat 310 and a lower seat 311 forming a ball head cavity, a blocking member 312, and an elastic connecting member 313, wherein the upper seat 310 is fixed at the bottom of the rectangular panel 100, the blocking member 312 relatively separates the upper seat 310 from the lower seat 312, the elastic connecting member 313 elastically pushes the lower seat 311 against the blocking member 312, and when the upper seat 310 and the lower seat 311 are relatively clamped on the opposite surfaces of the ball head 30, the universal rotating joint 3 is in a locked state; when the upper seat 310 and the lower seat 311 are relatively separated and disengaged from the surface of the ball 30, the universal rotating joint 3 is in an unlocked state. The implementation is convenient, the stability is high, and a good support is formed.

That is, under the butt joint of the elastic connecting piece 313, the upper seat 310, the blocking piece 312 and the lower seat 311 are kept in a clamping state, and at this time, the formed ball cavity is minimum, and the locking of the clamping ball 30 can be optimally implemented; once the lower seat 311 and the upper seat 310 are relatively expanded, the ball cavity is enlarged, and then the ball seat 31 can be universally adjusted relative to the ball 30 after unlocking.

Specifically, the blocking member 312 includes an upper sphere a and a lower sphere b integrally disposed up and down, and the upper seat 310 and the lower seat 311 are respectively provided with mounting grooves matched with the upper sphere a and the lower sphere b. Therefore, under the condition of relative movable ball connection, the movable space of the upper seat and the lower seat after unlocking is increased, the universal rotation adjustment is more facilitated, the noise is low during rotation, and the abrasion to the ball head is small.

The elastic connection members 313 employ conventional connection pins and elastic washers.

The locking member 4 is inserted from a space formed by the upper seat 310 and the lower seat 311, and when unlocked, the locking member 4 expands the lower seat 311 against the upper seat 310. This embodiment is simple and the resulting locking and unlocking means are easy to operate.

Locking piece 4 comprises a locking bolt 40 which is rotatably supported at the bottom of upper seat 310 and one end of which extends into the interval area, and an operating handle rod 41 which is connected with the other end of locking bolt 40, wherein operating handle rod 41 comprises a connecting rod and a handle rod, when operating handle rod 41 is held and lifted upwards, locking bolt 40 stirs downwards around a supporting point and lower seat 311 moves away from upper seat 310 to unlock; when the operating lever 41 is released, the latch tongue 40 is restored under the self-weight of the operating lever 41, and the lower seat 311 is relatively restored and clamped on the ball 30 to form a lock. The quick reset is implemented by utilizing a lever principle without adopting a reset piece.

Specifically, upper seat 310 and lock tongue 40 are butted by using ball 42, guide support frame 5 is formed at the bottom of support frame plate 10, and self-operating lever 41 is erected on guide support frame 5 when lock tongue 40 is separated from lower seat 311. The embodiment is convenient for assembling and butting, and meanwhile, the butt joint of the balls which are relatively movable is convenient for assembling and more flexible so as to facilitate unlocking and locking.

In this example, there are two blocking members 312 and two balls 42, wherein the two blocking members 312 and the two balls 42 are distributed on two opposite sides of the ball head 30.

The guide support frame 5 comprises a U-shaped chassis 50 with an opening facing the support frame plate 10, connecting pieces 51 which are upward from two sides of the opening of the U-shaped chassis 50 and oppositely open to the two sides, wherein the connecting pieces 51 are fixed at the bottom of the support frame plate 10,

the operating lever 41 extends along the length of the support frame plate 10 and passes through the U-shaped chassis 50.

In this example, the operating lever 41 includes an extension arm 410 passing through the U-shaped chassis 50 and having one end connected to the latch tongue 40, and a grip lever 411 provided at the other end of the extension arm 410, wherein the extension arm 410 moves relatively close to or away from the support frame plate 10 along the side wall of the U-shaped chassis 50 to unlock or lock the universal rotary joint 3. The lever movement is made more stable, and at the same time, the grip lever 411 extends along the width direction of the support frame plate 10, which facilitates the manual operation by the user.

In summary, the implementation process of this embodiment is as follows:

when the holding rod 411 is lifted upwards, the locking tongue 40 rotates around the ball 42 and pushes the lower seat 311 open downwards, and the ball cavity formed between the upper seat 310 and the lower seat 311 is enlarged and separated from the surface of the ball 30, so that, in the condition that handle bar 411 is held up, i.e., in the condition that locking bolt 40 is held to spread the ball cavity, the ball seat 31 is free and universally rotated with respect to ball 30, thereby adjusting the support frame plate 10 and the support frame bar 11 to a desired angle, and when the angle adjustment is completed, the grip lever 411 is released, and at this time, the grip lever 411 is restored downward along the U-shaped chassis 50 and supported on the U-shaped chassis 50, meanwhile, the locking tongue 40 is reset step by step, the lower seat 311 is reset synchronously, and the ball head cavity is reduced step by step until the ball head cavity is clamped on the surface of the ball head 30 from the inner wall to implement locking, so that the armrest positioning after angle adjustment is completed.

In summary, the present embodiment has the following advantages:

1. the armrest can be adjusted at any angle under the unlocking or locking of the universal rotating joint, and the locking piece can be freely locked under the condition that the external force is lost, so that the armrest is very convenient to implement, and the armrest can meet the requirement of armrest angle support required by different doctors during work or rest;

2. the ball seat is designed to be elastically tightened, and then the upper ball body and the lower ball body are supported in a spaced and rolling mode, so that once the ball seat is unlocked, the degree of freedom of relative movement of the ball seat is larger, the angle of the handrail can be adjusted more conveniently, and meanwhile, the abrasion and the noise of the surface of the ball head are further reduced;

3. the automatic reset of the lock tongue can be implemented by adopting the stress matching of the lever and the dead weight, and an outer component does not need to be additionally arranged, so that the structure is simple, and the operation is convenient.

The present invention has been described in detail above, but the present invention is not limited to the above-described embodiments. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An armrest of a doctor's seat, which comprises an armrest frame and an armrest pad, wherein the armrest frame of the doctor's seat comprises a support frame plate and a support frame rod, and is characterized in that: the handrail further comprises a universal rotating joint and a locking piece, wherein the universal rotating joint is connected between the support frame plate and the support frame rod, the locking piece extends into the universal rotating joint and is matched with the universal rotating joint to position the support frame plate and the support frame rod at a required position, the universal rotating joint is arranged close to the front end of the support frame plate, the locking piece extends towards the other end along the length direction of the support frame plate, the extending end is positioned below the corresponding end of the support frame plate, the locking piece is rotatably connected to the support frame plate in a balanced lever shape, and when the locking piece is subjected to external force and kept stressed, the locking piece, the universal rotating joint and the support frame plate are integrally adjusted in universal rotation relative to the support frame rod; after the locking piece is subjected to external force elimination, the lever is recovered under the dead weight, the universal rotating joint is locked by the locking piece, and the positions of the support frame plate and the support frame rod are relatively fixed.

2. The armrest of a physician's seat according to claim 1, wherein: the universal rotating joint comprises a ball seat and a ball head, wherein one of the ball seat and the ball head is connected with the support frame plate, the other one of the ball seat and the ball head is connected with the support frame rod, and the locking piece locks or unlocks the ball seat and the ball head relatively.

3. The armrest of a physician's seat according to claim 2, wherein: the ball head is fixed at the top of the support frame rod, and the ball seat is fixed at the bottom of the support frame plate and is close to the front end of the support frame plate.

4. An armrest for a physician's chair according to claim 2 or 3 wherein: the ball seat comprises an upper seat and a lower seat which form a ball head cavity, and a blocking piece, wherein the upper seat is fixed at the bottom of the support frame plate, the blocking piece relatively separates the upper seat from the lower seat, the lower seat elastically abuts against the blocking piece, and when the upper seat and the lower seat are relatively clamped on the opposite surface of the ball head, the universal rotating joint is in a locking state; when the upper seat and the lower seat are relatively separated and separated from the surface of the ball head, the universal rotating joint is in an unlocking state.

5. The armrest of a physician's seat according to claim 4, wherein: the locking piece is inserted from a space area formed by the upper seat and the lower seat, and when the locking piece is unlocked, the lower seat is unfolded relative to the upper seat.

6. The armrest of a physician's seat according to claim 5, wherein: the locking piece comprises a lock tongue and an operating handle rod, wherein the lock tongue is rotatably supported at the bottom of the upper seat, one end of the lock tongue extends into the interval area, the operating handle rod is connected to the other end of the lock tongue, the operating handle rod comprises a connecting rod and a handle rod, and when the operating handle rod is held and lifted upwards, the lock tongue downwards stirs the lower seat around a supporting point to move away from the upper seat to unlock; when the operating handle rod is released, the lock tongue resets under the dead weight of the operating handle rod, and the lower seat relatively resets and is clamped on the ball head to form locking.

7. The armrest of a physician's seat according to claim 6, wherein: the upper seat is in butt joint with the lock tongue through a ball, a guide support frame is formed at the bottom of the support frame plate, and the lock tongue is separated from the lower seat and erected on the guide support frame through the operating handle.

8. The armrest of a physician's seat according to claim 7, wherein: the blocking pieces are at least two, and two or more blocking pieces and the balls are correspondingly distributed on two opposite sides of the ball head or distributed at intervals around the circumference of the ball head, each blocking piece comprises an upper ball body and a lower ball body which are integrally arranged up and down, and the upper seat and the lower seat are respectively provided with an installation groove matched with the upper ball body and the lower ball body.

9. The armrest of a physician's seat according to claim 7, wherein: the guide support frame include the opening towards the U type chassis of support frame board, certainly the connecting piece that U type chassis open-ended both sides upwards and to both sides relative open, wherein the connecting piece is fixed the bottom of support frame board, the operating handle pole is along the lateral wall of U type chassis is close to relatively or is kept away from the motion of support frame board is implemented universal revolute joint's unblock or locking.

10. The armrest of a physician's seat according to claim 1, wherein: the support frame plate comprises a rectangular panel and folded plates which are bent downwards from two sides of the length direction of the rectangular panel, the armrest pad is integrally arranged and comprises a first pad body fixed on the rectangular panel, and a second pad body and a third pad body which are respectively arranged on two sides of the length direction of the first pad body, wherein the first pad body, the second pad body and the third pad body form a bearing area with an upward opening.