CN214511592U - Guardrail lifting device and sickbed - Google Patents

Abstract

The utility model discloses a guardrail lifting device, which comprises an upper fixed plate, a lower fixed plate, a main swing arm and a lock hook, wherein the upper fixed plate is provided with a first rotating shaft and a second rotating shaft; the first side swing arm and the second side swing arm are respectively positioned at two sides of the main swing arm; the lower part of the main swing arm is provided with a lifting shaft, the lock hook is sleeved on the lifting shaft, and the hook part of the lock hook is hinged with the lock cylinder shaft; a compensation stop block is further sleeved on the lifting shaft and is abutted against the lock cylinder shaft; still relate to a sick bed, this technical scheme's guardrail elevating gear and sick bed have simple structure, the steadiness is strong, liftable adjust, convenient operation's characteristics, difficult rocking, the safety in utilization is high.

Description

Guardrail lifting device and sickbed

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a guardrail elevating gear and sick bed are related to.

Background

In order to ensure the safety of patients, the hospital beds of hospitals are often required to be provided with guardrails, the existing hospital bed guardrails are mostly fixed, but when doctors rescue critical patients, the fixed guardrails are not beneficial to the operation of medical personnel, and therefore, the requirements of the movable hospital bed guardrails are gradually increased. Among the prior art, common movable sick bed guardrail can go up and down or remove the guardrail as required, the hinge of this type guardrail adopts hook spring formula locking structure more, in the use, it realizes swing joint to revolute the rotation of axes through the hook spring, this structure has also led to leaving certain space between hook spring and the pivot simultaneously, thereby the guardrail can inevitably appear rocking in the use, if patient needs the guardrail to carry out limbs activity exercise as the support, perhaps patient stands up when moving too big, unstable guardrail then can have the potential safety hazard. Therefore, it is necessary to develop a movable guardrail with strong stability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a guardrail elevating gear and sick bed, have simple structure, the steadiness is strong, liftable adjust, convenient operation's characteristics, be difficult for rocking, the safety in utilization is high. The method is realized by the following technical scheme:

a guardrail lifting device comprises an upper fixing plate, a lower fixing plate, a main swing arm and a lock hook, wherein a first rotating shaft and a second rotating shaft are installed on the upper fixing plate, a third rotating shaft and a lock column shaft are installed on the lower fixing plate, one end of the main swing arm is rotatably pivoted with the upper fixing plate through the second rotating shaft, and the other end of the main swing arm is rotatably pivoted with the lower fixing plate through the third rotating shaft; the swing mechanism comprises a main swing arm, a lower fixed plate and a first side swing arm, and is characterized by further comprising a first side swing arm and a second side swing arm, wherein the first side swing arm and the second side swing arm are respectively located on two sides of the main swing arm, one ends of the first side swing arm and the second side swing arm are respectively pivoted with the upper fixed plate in a rotatable mode through a first rotating shaft, and the other ends of the first side swing arm and the second side swing arm are respectively pivoted with the lower fixed plate in a rotatable mode through a lock cylinder shaft.

The lower part of the main swing arm is provided with a lifting shaft, the lock hook is sleeved on the lifting shaft, and the hook part of the lock hook is hinged with the lock cylinder shaft; the lifting shaft is further sleeved with a compensation stop block, and the compensation stop block is abutted to the lock cylinder shaft. Through add the compensation dog of a supporting role on the latch hook next door, when the portion of colluding of latch hook and lock post axle are articulated, the compensation dog supports between lift axle and lock post axle to fill the space between latch hook and the lock post axle, realize the utility model discloses a guardrail elevating gear firm supporting effect.

Preferably, the buffer device further comprises a buffer, one end of the buffer is hinged with the main swing arm, and the other end of the buffer is hinged with the lower fixing plate. After the buffer is arranged, the action is more flexible during lifting, and the stability and the safety of operation are improved.

Preferably, the lock hook comprises a pulling plate, a first convex column and a clamping column, and the compensation stop block comprises a second convex column.

Preferably, the main swing arm is provided with an opening, the lock hook penetrates through the opening and then is sleeved with the lifting shaft, the pulling plate protrudes out of the opening, and the clamping column is clamped at the edge of the opening.

Preferably, a first return spring is connected between the first convex column of the lock hook and the main swing arm, and a second return spring is connected between the second convex column of the compensation stop block and the main swing arm.

Preferably, a plurality of reinforcing plates are arranged on the lower fixing plate side by side, and the lock cylinder shaft penetrates through the reinforcing plates and then is installed on the lower fixing plate.

Preferably, a plurality of fixing and mounting holes are respectively formed in the upper fixing plate and the lower fixing plate.

Preferably, the damper is pneumatic or hydraulic.

The utility model discloses still relate to a sick bed, reach as above including guardrail, bedstead guardrail elevating gear, the guardrail with an upper fixed plate fixed connection, the bedstead with a bottom plate fixed connection.

The utility model discloses relative prior art has following beneficial effect: according to the technical scheme, a main swing arm, a first side swing arm and a second side swing arm are arranged between an upper fixing plate and a lower fixing plate, and a lock hook and a return spring are combined to realize lifting reciprocating motion; by additionally arranging the compensation check block with a supporting function beside the lock hook, when the hook part of the lock hook is hinged with the lock cylinder shaft, the compensation check block is supported between the lifting shaft and the lock cylinder shaft under the action of the reset spring so as to fill a gap between the lock hook and the lock cylinder shaft, so that the stable supporting effect of the guardrail lifting device is realized, and the guardrail lifting device is simple in structure, strong in stability, not easy to shake and high in use safety; the sickbed with the guardrail lifting device has the advantages that the sickbed is particularly used in the intensive care unit, a patient needs a stable sickbed guardrail to assist in rehabilitation training, and the sickbed has high clinical value.

Drawings

Fig. 1 is one of the schematic structural views of the guardrail lifting device of the present invention;

fig. 2 is a second schematic structural view of the guardrail lifting device of the present invention;

fig. 3 is a third schematic structural view of the guardrail lifting device of the present invention;

fig. 4 is a fourth schematic structural view of the guardrail lifting device of the present invention;

fig. 5 is a schematic structural view of the lock hook of the present invention;

fig. 6 is a schematic structural diagram of the compensation stopper of the present invention.

Description of reference numerals:

1 upper fixed plate, 2 bottom plate, 3 main swing arms, 31 openings, 4 lock hooks, 41 arm-tie, 42 first projection, 43 jack posts, 5 compensation dogs, 51 second projection, 6 first pivot, 7 second pivot, 8 third pivot, 9 jack post axles, 10 lift shafts, 11 buffers, 12 first side swing arms, 13 second side swing arms, 14 first reset springs, 15 second reset springs, 16 reinforcing plates.

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.

The utility model discloses a preferred embodiment, as shown in fig. 1-4, a guardrail elevating gear, including an upper fixed plate 1, a bottom plate 2, main swing arm 3 and lock hook 4, install first pivot 6 and second pivot 7 on the upper fixed plate 1, install third pivot 8 and lock cylinder axle 9 on the bottom plate 2, the rotatable pin joint of second pivot 7 and an upper fixed plate 1 is passed through to the one end of main swing arm 3, and the other end of main swing arm 3 passes through the rotatable pin joint of third pivot 8 and a bottom plate 2. Still include first side swing arm 12 and second side swing arm 13, first side swing arm 12 and second side swing arm 13 are located the both sides of main swing arm 3 respectively, and the rotatable pin joint of first pivot 6 and upper fixed plate 1 is passed through respectively to the one end of first side swing arm 12 and second side swing arm 13, and the other end of first side swing arm 12 and second side swing arm 13 is passed through the rotatable pin joint of column shaft 9 and bottom plate 2 respectively. The purpose of the first side swing arm 12 and the second side swing arm 13 is to increase the stability of the structure.

The lower part of the main swing arm 3 is provided with a lifting shaft 10, the lock hook 4 is sleeved on the lifting shaft 10, the hook part of the lock hook 4 is hinged with the lock cylinder shaft 9, the lock hook 4 is an operation unit for lifting, and a user can lift up and down by operating the lock hook 4; the lifting shaft 10 is also sleeved with a compensation stop block 5, and the compensation stop block 5 is abutted to the lock cylinder shaft 9. Through add a supporting role's compensation dog 5 on the latch hook next door, when the portion of colluding of latch hook is articulated with lock post axle 9, compensation dog 5 supports between lift axle 10 and lock post axle 9 to fill the space between latch hook and the lock post axle 9, realize the utility model discloses a guardrail elevating gear firm supporting effect.

Specifically, the device further comprises a buffer 11, wherein one end of the buffer 11 is hinged with the main swing arm 3, and the other end of the buffer 11 is hinged with the lower fixing plate 2. After the buffer 11 is arranged, the action is more flexible during lifting, and the stability and the safety of the operation are improved.

Specifically, as shown in fig. 5-6, the lock hook 4 includes a pull plate 41, a first protrusion 42 and a locking column 43, and the compensation stopper 5 includes a second protrusion 51.

Specifically, as shown in fig. 1-2, the main swing arm 3 has an opening 31, the lock hook 4 passes through the opening 31 and then is sleeved on the lifting shaft 10, the pulling plate 41 of the lock hook 4 protrudes out of the opening 31, and the locking post 43 is locked at the edge of the opening 31. Due to the design, an operator only needs to operate the pulling plate 41, and the technical effect of convenient adjustment is achieved.

Specifically, a first return spring 14 is connected between the first convex column 42 of the lock hook 4 and the main swing arm 3, and a second return spring 15 is connected between the second convex column 51 of the compensation stop 5 and the main swing arm 3. The first and second return springs 14 and 15 help to save more effort when the guard rail is in the raised condition.

Specifically, a plurality of reinforcing plates 16 are arranged side by side on the lower fixing plate 2, the lock cylinder shaft 9 is installed on the lower fixing plate 2 after passing through the reinforcing plates 16, and the number of the reinforcing plates 16 is preferably 4.

Specifically, a plurality of fixing mounting holes are respectively arranged on the upper fixing plate 1 and the lower fixing plate 2, and the fixing mounting holes may be threaded holes.

Specifically, the damper 11 is pneumatic or hydraulic.

The utility model discloses still relate to a sick bed, reach as above including guardrail, bedstead guardrail elevating gear, guardrail and 1 fixed connection of upper fixed plate, bedstead and 2 fixed connection of bottom plate.

The utility model discloses a theory of operation does: the upper fixing plate 1 of the guardrail lifting device is fixedly connected with the guardrail of a sickbed, the lower fixing plate 2 is fixedly connected with the bedstead of the sickbed, when the guardrail needs to descend, an operator pulls the pull plate 41 of the lock hook 4 by hand to relieve the state that the lock hook 4 is clamped with the main swing arm 3 through the clamping column 43, and the guardrail begins to descend slowly under the action of the gravity of the guardrail and the action of the buffer 11; when the guardrail needs to rise, only the guardrail handle needs to be pulled, and the guardrail begins to slowly rise to the state that the lock hook 4 is connected with the main swing arm 3 through the clamping column 43 in a recovering manner.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.

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 (9)

1. A guardrail lifting device is characterized by comprising an upper fixing plate, a lower fixing plate, a main swing arm and a lock hook, wherein a first rotating shaft and a second rotating shaft are installed on the upper fixing plate;

the first side swing arm and the second side swing arm are respectively positioned at two sides of the main swing arm, one end of the first side swing arm and one end of the second side swing arm are respectively rotatably pivoted with the upper fixing plate through a first rotating shaft, and the other end of the first side swing arm and the other end of the second side swing arm are respectively rotatably pivoted with the lower fixing plate through a lock cylinder shaft;

the lower part of the main swing arm is provided with a lifting shaft, the lock hook is sleeved on the lifting shaft, and the hook part of the lock hook is hinged with the lock cylinder shaft; the lifting shaft is further sleeved with a compensation stop block, and the compensation stop block is abutted to the lock cylinder shaft.

2. The guardrail lifting device of claim 1, further comprising a buffer, wherein one end of the buffer is hinged to the main swing arm, and the other end of the buffer is hinged to the lower fixed plate.

3. The guardrail lifting device of claim 1, wherein the lock hook comprises a pull plate, a first boss and a catch, and the compensation stop comprises a second boss.

4. The guardrail lifting device of claim 3, wherein the main swing arm is provided with an opening, the lock hook penetrates through the opening and then is sleeved with the lifting shaft, the pulling plate protrudes out of the opening, and the clamping column is clamped at the edge of the opening.

5. The guardrail lifting device of claim 3, wherein a first return spring is connected between the first protruding column of the lock hook and the main swing arm, and a second return spring is connected between the second protruding column of the compensation stop block and the main swing arm.

6. A guardrail lifting device according to claim 1, wherein a plurality of reinforcing plates are arranged on the lower fixing plate side by side, and the lock cylinder shaft is installed on the lower fixing plate after passing through the reinforcing plates.

7. The guardrail lifting device of claim 1, wherein the upper and lower fixing plates are respectively provided with a plurality of fixing mounting holes.

8. The guardrail lifting device of claim 2, wherein the buffer is pneumatic or hydraulic.

9. A hospital bed, comprising a guardrail, a bed frame and the guardrail lifting device as claimed in any one of claims 1 to 8, wherein the guardrail is fixedly connected with the upper fixing plate, and the bed frame is fixedly connected with the lower fixing plate.

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