CN211213970U

CN211213970U - Extendable hospital bed

Info

Publication number: CN211213970U
Application number: CN201921539352.9U
Authority: CN
Inventors: 郭明球; 刘赵生; 陈玲; 郑鹏飞; 罗晓川
Original assignee: Guangzhou Medical Soft Intelligent Technology Co ltd
Current assignee: Guangzhou Medical Soft Intelligent Technology Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-08-11
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses an extensible sickbed, which comprises a sickbed body, bed legs and an extension bed frame, wherein the sickbed body comprises a main bed frame and a bed surface, and the extension bed frame is arranged at one end of the main bed frame; the extension bed frame comprises an extension frame and a slide rail with a lock, which is arranged between the side frame of the main bed frame and the side frame of the extension frame; the slide rail with the lock comprises a first slide rail, a second slide rail, a third slide rail and a locking device, the first slide rail is fixedly connected with the outer side of the side frame of the extension frame, the third slide rail is fixedly connected with the inner side of the side frame of the main bed frame, the second slide rail is in sliding fit with the third slide rail, and the first slide rail is in sliding fit with the second slide rail. The technical scheme utilizes the slide rail with the lock to better solve the problems in the prior art and has the characteristics of simple structure, convenient operation, safety and stability.

Description

Extendable hospital bed

Technical Field

The utility model relates to a sick bed field especially relates to a can prolong sick bed.

Background

The sick bed of hospital need be towards the patient of different heights, and the length of conventional sick bed is certain, if user's height does not have the problem when suitable, nevertheless when user's height surpassed lathe bed length, often can feel more uncomfortable under the uncomfortable condition of health because sick bed length restriction makes the health unable extension, influences treatment.

In order to overcome this drawback, in the prior art, an extension bed frame is often added to the end of the bed to accommodate users of different heights. The existing sickbed is usually adopted in a mode that a telescopic sleeve is used for stretching and retracting an extension bed frame and a spring pin is used for positioning, and the method has the defects that two points are large: firstly, medical staff must pull out the reset spring pin to be locked, pull the reset spring pin with one hand, pull the extension bed frame with the other hand, loosen the reset spring pin after the extension bed frame is in place, reset the self-locking spring pin, finish an operation, and perform similar operation when withdrawing the extension bed frame, so that the operation convenience is low, and the labor intensity of the medical staff is increased; another disadvantage is that if the spring pin is not reset well, the extension bed frame cannot be fixed, so that certain potential safety hazards are caused, and particularly for severe intelligent sickbeds, when the bed body of the sickbed is in the reverse Tech position, the extension bed frame can slide out of the bed body, so that certain danger exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a can prolong sick bed, utilize the area to lock the slide rail and solve the problem among the prior art betterly, have simple structure, convenient operation and safe firm characteristics, it realizes through following technical scheme:

an extensible sickbed comprises a sickbed body, bed legs and an extensible bed frame, wherein the sickbed body comprises a main bed frame and a bed surface, the main bed frame is positioned below the bed surface, and the extensible bed frame is arranged at one end of the main bed frame; the extension bed frame comprises an extension frame and a slide rail with a lock, which is arranged between the side frame of the main bed frame and the side frame of the extension frame; the slide rail with the lock comprises a first slide rail, a second slide rail, a third slide rail and a locking device, wherein the first slide rail is fixedly connected with the outer side of the side frame of the extension frame, the third slide rail is fixedly connected with the inner side of the side frame of the main bed frame, the second slide rail is in sliding fit with the third slide rail, the first slide rail is in sliding fit with the second slide rail, and the first slide rail is limited and locked through the locking device. Adopt the syllogic slide rail of taking the lock, can guarantee the intensity of main bedstead and extension bedstead junction.

The locking device comprises an opening-closing grab handle, a movable clamping hook and a pull rod, wherein a front rotating shaft and a rear rotating shaft are arranged on a first sliding rail, a torsional spring is sleeved on the front rotating shaft, the opening-closing grab handle is installed on the first sliding rail through the front rotating shaft, the opening-closing grab handle is limited through the torsional spring, the movable clamping hook is installed on the first sliding rail through the rear rotating shaft, and the opening-closing grab handle and the pull rod are connected between the movable clamping hooks. The extension and retraction can be realized only by operating the opening and closing grab handle and matching with manual push-pull, and the operation is convenient.

First draw-in groove support is installed to a tip of third slide rail, and its middle part installs second draw-in groove support, under locking state, the tip embedding of activity trip is in first draw-in groove support or second draw-in groove support, so for the unblock with the operation of locking convenient, and safe firm.

Preferably, the outer walls of the two side edges of the first slide rail and the second slide rail are both provided with sliding grooves, the inner walls of the two side edges of the second slide rail and the third slide rail are both provided with sliding strips, in a use state, the sliding strips on the third slide rail slide in the sliding grooves on the second slide rail, and the sliding strips on the second slide rail slide in the sliding grooves on the first slide rail.

Preferably, one end of the second slide rail is provided with an opening, the middle part of the second slide rail is provided with a strip hole, and the side edge of the strip hole is provided with a limiting notch; the first slide rail is provided with a limiting column, the limiting column penetrates through the limiting notch on the side edge of the strip hole, and when the first slide rail and the second slide rail slide relatively, the limiting column moves in the limiting notch.

Preferably, the cross sections of the first clamping groove support and the second clamping groove support are both U-shaped, and the first clamping groove support and the second clamping groove support are fixedly connected through bolts or fixedly connected through welding with a third sliding rail.

Preferably, one side of each of the first and second slot brackets is provided with a rubber cushion pad.

Preferably, one end of the opening and closing grab handle and one end of the movable clamping hook are both provided with a connecting clamping groove, two ends of the pull rod are respectively provided with a hook, and the pull rod is respectively connected with the connecting clamping grooves of the opening and closing grab handle and the movable clamping hook through the hooks.

Preferably, a sickbed guard plate is installed at the edge of the main bedstead, a support frame is connected below the bed legs, and a plurality of rollers are connected to the lower part of the support frame.

The utility model discloses relative prior art has following beneficial effect: the slide rail with the lock adopts a three-section type, so that the slide rail with the lock is stable in structure and high in use safety coefficient; the locking device with the locking slide rail only consists of an opening and closing grab handle, a pull rod, a movable clamping hook, a plurality of limiting grooves and limiting columns, and has the advantages of simple structure, convenience in processing and low production cost; the locking device is controlled by the slide rail with the lock through the opening and closing grab handle, and the position of the bed frame is controlled and extended under the action of the limiting bulge and the limiting groove in the process of extension or retraction.

Drawings

Fig. 1 is an overall structure diagram of the extendable hospital bed of the present invention;

fig. 2 is a partially enlarged view of a portion a of fig. 1 according to the present invention;

FIG. 3 is one of the structures of the slide rail with lock of the extendable hospital bed of the present invention;

fig. 4 is a second structure of the slide rail with lock of the extendable hospital bed of the present invention;

fig. 5 is a structural diagram of a first slide rail of the extensible hospital bed of the present invention;

fig. 6 is a structural diagram of a second slide rail and a third slide rail of the extensible hospital bed of the present invention;

fig. 7 is a structural diagram of the extendable hospital bed of the present invention in a locked state.

Description of reference numerals:

the hospital bed comprises a hospital bed body 1, a main bed frame 11, a bed surface 12, bed legs 2, an extension bed frame 3, an extension frame 31, a first slide rail 32, a second slide rail 33, an opening 331, a strip hole 332, a limiting notch 333, a third slide rail 34, an opening and closing grab handle 35, a movable clamping hook 36, a pull rod 37, a first clamping groove support 38, a second clamping groove support 39, a torsion spring 4, a limiting column 5, a hospital bed guard plate 6, a support frame 7 and rollers 8.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A preferred embodiment of the present invention, as shown in fig. 1, is an extendable hospital bed, which comprises a hospital bed body 1, bed legs 2 and an extension bed frame 3, wherein the hospital bed body 1 comprises a main bed frame 11 and a bed surface 12, the main bed frame 11 is located below the bed surface 12 for supporting the bed surface; the extension bedstead 3 is arranged at one end of the main bedstead, and when in practical use, the bed surface 12 comprises a shank position bed surface, and the extension bedstead 3 is specifically arranged at one end close to the shank position bed surface.

Fig. 2 shows a partial enlarged view at a in fig. 1, the extension frame 3 includes an extension frame 31 and two symmetrical slide rails with locks installed between the side frames of the main frame and the side frames of the extension frame 31; the slide rail with the lock comprises a first slide rail 32, a second slide rail 33, a third slide rail 34 and a locking device, wherein the first slide rail 32 is fixedly connected with the outer side of the side frame of the extension frame 31, the third slide rail 34 is fixedly connected with the inner side of the side frame of the main bed frame 11, the second slide rail 33 is in sliding fit with the third slide rail 34, the first slide rail 32 is in sliding fit with the second slide rail 33, and the first slide rail 32 is limited and locked by the locking device.

As shown in fig. 3-5, the locking device includes an opening/closing handle 35, a movable hook 36 and a pull rod 37, the first slide rail 32 is provided with a front rotating shaft and a rear rotating shaft, the front rotating shaft is sleeved with a torsion spring 4, the opening/closing handle 35 is mounted on the first slide rail 32 through the front rotating shaft, and the opening/closing handle 35 is limited through the torsion spring 4; in addition, openings are provided on both sides of the outer horizontal frame of the extension frame 31, and the opening and closing grips 35 are provided at the openings.

The movable hook 36 is mounted on the first slide rail 32 through a rear rotating shaft, and a pull rod 37 is connected between the opening and closing grab handle 35 and the movable hook 36; as shown in fig. 6, a first slot bracket 38 is installed at one end of the third slide rail 34, and a second slot bracket 39 is installed at the middle of the third slide rail 34, and the first slot bracket 38 and the second slot bracket 39 are used for limiting the second slide rail 33 and the third slide rail 34 to determine the extendable length of the hospital bed.

In the locked state, the end of the movable hook 36 is embedded in the first or

second slot bracket

38, 39, thereby preventing the first slide rail 32 from further movement, as shown in fig. 6. The movable hook 36 is tapered at its end so as to be firmly inserted into the first or

second slot holder

38 or 39 to prevent loosening.

As shown in fig. 1 to 3, in order to facilitate the sliding adjustment, the outer walls of the two sides of the first slide rail 32 and the second slide rail 33 are both provided with a sliding slot, the inner walls of the two sides of the second slide rail 33 and the third slide rail 34 are both provided with a sliding strip, in a use state, the sliding strip on the third slide rail 34 slides in the sliding slot on the second slide rail 33, and the sliding strip on the second slide rail 33 slides in the sliding slot on the first slide rail 32, thereby realizing the length adjustment of the hospital bed. One end of the opening and closing grab handle 35 and one end of the movable clamping hook 36 are both provided with a connecting clamping groove, two ends of the pull rod 37 are respectively provided with a hook, and the pull rod 37 is respectively connected with the connecting clamping grooves of the opening and closing grab handle 35 and the movable clamping hook 36 through the hooks.

As shown in fig. 6, an opening 331 is formed at one end of the second slide rail 33 for accommodating the first card slot bracket 38, a long hole 332 is formed in the middle of the second slide rail 33 for accommodating the second card slot bracket 39, and a limit notch 333 is formed at a side edge of the long hole 332; the middle part of the first slide rail 32 is provided with a limiting column 5, the limiting column 5 penetrates through a limiting notch 333 on the side edge of the strip hole, and when the first slide rail 32 slides relative to the second slide rail 33, the limiting column 5 moves in the limiting notch 333 to limit the first slide rail 32 and prevent the first slide rail 32 from derailing from the second slide rail 33; in addition, the second slot bracket 39 also passes through the elongated hole, thereby limiting the second slide rail 33 and preventing it from derailing from the third slide rail 34. Preferably, the two ends of the limiting notch 333 are arc-shaped, so as to conveniently block the limiting column 5.

Specifically, the cross sections of the first slot bracket 38 and the second slot bracket 39 are both "U" shaped, and are fixedly connected to the third slide rail 34 by bolts or by welding; rubber cushions (not shown) are provided on both sides of the first and second card-

slot brackets

38, 39 to reduce impact force during extension or retraction and to reduce impact noise.

In order to ensure that the extension sickbed of the technical scheme is safer and more stable, a sickbed guard plate 6 is arranged at the edge of the main bed frame 11, a support frame 7 is connected below the bed legs 2, and the lower part of the support frame 7 is connected with a plurality of rollers 8.

The working principle of the technical scheme is as follows: when the hospital bed needs to be extended, the medical staff only needs to press the opening and closing handle 35 downwards, the trigger pull rod 37 drives the movable clamping hook 36 to rotate for a certain angle around the rear rotating shaft, the end portion of the movable clamping hook 36 is pulled out from the first clamping groove support 38, namely, the sliding rail is unlocked with the lock, the hospital bed is pulled out for a certain distance, when the second sliding rail 33 is blocked by the second clamping groove support 39 and the limiting column 5 is blocked by one end portion of the limiting notch, the locking position is reached, namely, the first sliding rail 32 and the second sliding rail 33 cannot move continuously, the opening and closing handle 35 is loosened, under the power of the return of the torsion spring 4, the opening and closing handle 35 rotates upwards to return, and after the pull rod 37 drives the movable clamping hook 36 to rotate for a certain angle reversely, the movable clamping hook 36 is embedded into the second clamping groove support 39, so that the hospital bed is locked again, and the hospital.

When the hospital bed needs to be retracted and extended, the medical staff only needs to press the opening and closing handle 35 downwards, the trigger pull rod 37 drives the movable hook 36 to rotate for a certain angle around the rear rotating shaft, the end part of the movable hook 36 is pulled out from the second slot bracket 39, namely, the slide rail with the lock is unlocked, the extension sickbed retracts inwards for a certain distance, when the opening 331 of the second slide rail 33 is blocked by the first slot bracket 38 and the limiting column 5 is blocked by the other end of the limiting notch 333, the locking position is reached, namely, the first slide rail 32 and the second slide rail 33 can not move continuously, the opening and closing grab handle 35 is loosened, the opening and closing grab handle 35 rotates upwards under the power of the return of the torsion spring 4, and then the return is carried out, and after the pull rod 37 drives the movable hook 36 to rotate reversely for a certain angle, the movable hook 36 is embedded into the first slot bracket 38, as shown in fig. 7, so as to lock again, that is, the hospital bed retraction process is completed.

The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The extendable hospital bed is characterized by comprising a hospital bed body (1), bed legs (2) and an extension bed frame (3), wherein the hospital bed body (1) comprises a main bed frame (11) and a bed surface (12), the main bed frame (11) is positioned below the bed surface (12), and the extension bed frame (3) is arranged at one end of the main bed frame (11);

the extension bedstead (3) comprises an extension frame (31) and a slide rail with a lock, wherein the slide rail with the lock is arranged between the side frame of the main bedstead (11) and the side frame of the extension frame (31);

the sliding rail with the lock comprises a first sliding rail (32), a second sliding rail (33), a third sliding rail (34) and a locking device, the first sliding rail (32) is fixedly connected with the outer side of the side frame of the extension frame (31), the third sliding rail (34) is fixedly connected with the inner side of the side frame of the main bed frame (11), the second sliding rail (33) is in sliding fit with the third sliding rail (34), the first sliding rail (32) is in sliding fit with the second sliding rail (33), and the first sliding rail (32) is limited and locked through the locking device.

2. The extendable hospital bed according to claim 1, wherein the locking device comprises an opening and closing handle (35), a movable hook (36) and a pull rod (37), the first slide rail (32) is provided with a front rotating shaft and a rear rotating shaft, the front rotating shaft is sleeved with a torsion spring (4), the opening and closing handle (35) is mounted on the first slide rail (32) through the front rotating shaft, the opening and closing handle (35) is limited through the torsion spring (4), the movable hook (36) is mounted on the first slide rail (32) through the rear rotating shaft, and the pull rod (37) is connected between the opening and closing handle (35) and the movable hook (36);

a first clamping groove support (38) is installed at one end of the third sliding rail (34), the middle of the third sliding rail is installed on a second clamping groove support (39), and in the locking state, the end of the movable clamping hook (36) is embedded into the first clamping groove support (38) or the second clamping groove support (39).

3. The extendable hospital bed according to claim 1, wherein the outer walls of the two sides of the first slide rail (32) and the second slide rail (33) are provided with slide grooves, the inner walls of the two sides of the second slide rail (33) and the third slide rail (34) are provided with slide bars, in the use state, the slide bar on the third slide rail (34) slides in the slide groove on the second slide rail (33), and the slide bar on the second slide rail (33) slides in the slide groove on the first slide rail (32).

4. The extendable hospital bed according to claim 2 or 3, wherein the second slide rail (33) has an opening (331) at one end and a long hole (332) at the middle, and a limit notch (333) is opened at the side of the long hole (332); be equipped with spacing post (5) on first slide rail (32), just spacing post (5) run through spacing breach (333) of rectangular hole side, when first slide rail (32) and second slide rail (33) relative slip, spacing post (5) are in spacing breach (333) internalization.

5. The extendable hospital bed according to claim 2, wherein the first slot bracket (38) and the second slot bracket (39) are both "U" -shaped in cross section and are fixedly connected to the third slide rail (34) by bolts or by welding.

6. An extendable hospital bed according to claim 5, wherein the first slot holder (38) and the second slot holder (39) are provided with a rubber cushion on one side.

7. The extendable hospital bed according to claim 2, wherein the opening/closing handle (35) and the movable hook (36) are provided with a connecting slot at one end, the two ends of the pull rod (37) are provided with hooks, and the pull rod (37) is connected with the connecting slots of the opening/closing handle (35) and the movable hook (36) through the hooks.

8. An extendable hospital bed according to any of claims 1 to 3, 5 or 6, characterized in that the edges of the main frame (11) are fitted with hospital bed shields (6), and a support frame (7) is attached under the bed legs (2), and a plurality of rollers (8) are attached under the support frame (7).