CN219813656U - Full-coverage lifting guardrail - Google Patents

Abstract

The utility model belongs to the field of beds for life, and particularly discloses a full-coverage lifting guardrail which comprises an integrated guardrail structure movably connected to fixed cross beams on two sides of a bed body, wherein two sides of the guardrail structure are respectively close to a bed head and a bed tail and are movably connected to the fixed cross beams through lifting mechanisms at the bottom; the lifting mechanism comprises a first supporting shaft seat, a second supporting shaft seat, a first connecting bent plate and a second connecting bent plate, wherein the first supporting shaft seat and the second supporting shaft seat are fixed on the outer side of the fixed cross beam at intervals, and form a parallelogram hinge structure with the first connecting bent plate and the second connecting bent plate, so that the lifting mechanism has larger telescopic and overturning strokes. The full-coverage lifting guardrail disclosed by the utility model adopts an integrated guardrail structure, can form omnibearing protection on the side edge of a bed body, is simple and convenient to lift and operate based on a lifting mechanism, has a stable structure, is not easy to damage, and can effectively save a folding and unfolding space.

Description

Full-coverage lifting guardrail

Technical Field

The utility model relates to the field of living beds, in particular to a full-coverage lifting guardrail.

Background

The guardrails of the existing bed body are mostly two-section lifting guardrails, a gap is reserved between the guardrails, a larger gap is reserved between the guardrails and the bed head, and the bed cannot realize omnibearing protection from the head to the foot of patients, old people and children; and the two-section guardrail is complex in operation and needs to be controlled to lift respectively.

As in the patent publication CN209662016U, a sickbed with two sections of guardrails is given, each side of guardrails comprises a first guardrail and a second guardrail, and the first guardrail and the second guardrail are staggered; the first guardrail is close to the bed head, and the second guardrail is close to the bed tail; the first guardrail and the second guardrail all include a horizontal pole and a plurality of montants, montant one end all is articulated with the horizontal pole, the montant other end all is articulated with the bed edge. The sickbed with two sections of guardrails disclosed in the document can solve the problem that a patient falls down from the sickbed, but a large gap still exists between the two guardrails and between the guardrails and the bedside bed tail, the omnibearing protection is not completely achieved, and the two guardrails are respectively lifted, so that the problem of complex operation exists.

Disclosure of Invention

In view of the above, the utility model provides a full-coverage lifting guardrail, which is used for solving or partially solving the problems that the existing lifting guardrail on the market cannot be fully covered and protected and has complicated operation.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the full-coverage lifting guardrail is arranged between the bed head and the bed tail and comprises guardrail structures movably connected to fixed cross beams at two sides of the bed body, wherein the guardrail structures are integrated, two sides of the guardrail structures are respectively close to the bed head and the bed tail, and the guardrail structures are movably connected to the fixed cross beams through lifting mechanisms at the bottom;

the lifting mechanism comprises:

the first support shaft seat and the second support shaft seat are fixed on the outer side of the fixed cross beam at intervals;

the upper end of the first connecting bent plate is connected with one side of the guardrail structure in a shaft way, and the lower end of the first connecting bent plate is connected with the upper end of the first supporting shaft seat in a shaft way;

the second connecting bent plate is connected to one side of the guardrail structure in a shaft connection mode, the shaft connection position of the second connecting bent plate is lower than that of the first connecting bent plate and the guardrail structure, the lower end of the second connecting bent plate is connected to the upper end of the second supporting shaft seat in a shaft connection mode, and the shaft connection position of the second connecting bent plate is lower than that of the first connecting bent plate and the first supporting shaft seat.

According to the full-coverage lifting guardrail provided by the utility model, an integral guardrail structure which is fully covered from the head of a bed to the tail of the bed is structurally adopted, so that the problem that large gaps still exist between two guardrails and between the guardrails and the head of the bed and the tail of the bed in the prior art, and the full-coverage protection cannot be completely achieved is effectively solved; meanwhile, the guardrail structure is movably connected with the fixed cross beam of the bed body by adopting the lifting mechanism, so that the lifting and descending problems of the guardrail are structurally realized, the guardrail lifting operation is simple and convenient, the guardrail can wholly fall to a position lower than a mattress, the patient can conveniently get off the bed, the structure is stable, and the space is not occupied.

Preferably, the first supporting shaft seat has a first lower shaft hole far away from the upper end in the vertical direction, a fourth shaft hole of the bending plate is provided at a certain distance below the upper end of the second connecting bending plate, and a damper is movably connected between the first lower shaft hole and the fourth shaft hole of the bending plate.

Preferably, the second connecting bent plate is provided with a bent plate third shaft hole below a bent plate fourth shaft hole, the second supporting shaft seat is provided with a second lower shaft hole far away from the upper end in the vertical direction, a locking connecting piece is movably connected between the bent plate third shaft hole and the second lower shaft hole, the locking connecting piece is provided with a locking chute in the middle, the upper end of the locking chute is provided with a chute locking clamping position, the bent plate third shaft hole is rotationally connected with a sliding block, and the sliding block slides in the locking chute. The locking connecting piece is of a chute buckle structure, is not easy to damage and is low in maintenance cost.

Preferably, the sliding groove locking clamping position is a bending groove position which is communicated with the locking sliding groove and is arranged at a certain included angle with the locking sliding groove and can accommodate the sliding block to clamp in. Based on this structure, can directly mention when the guardrail uses, guardrail automatic locking simultaneously, stable in structure need not unnecessary action, easy and simple to handle.

Preferably, the locking connection is provided with a spanner which is perpendicular to the locking connection and extends to one side to form a hand-held part. When the guardrail structure rises to the highest position, the wrench is held by hand, the wrench is pressed downwards and outwards, and the sliding block can enter the sliding groove locking clamping position to form position locking; of course, the guardrail structure is lifted upwards, and the sliding block can be automatically clamped in without manual clamping in; the reverse operation can unlock, and the spanner can be held by hand to perform the downward operation on the guardrail structure.

Preferably, the first connecting bent plate is an L-shaped bent plate, and the bent position of the first connecting bent plate is protruded to a side far away from the fixed cross beam.

Preferably, the second connecting bending plate is an obtuse angle bending structure, and the bending position of the second connecting bending plate is protruded to one side far away from the fixed cross beam.

Preferably, a second middle shaft hole is formed in the middle of the second supporting shaft seat, one side, facing the first supporting shaft seat, of the second middle shaft hole is connected with a positioning shaft pin, and the positioning shaft pin forms the lowest point limit on the second connecting bent plate from the bottom of the second connecting bent plate.

Preferably, the number of the lifting mechanisms is two, the lifting mechanisms are symmetrically positioned at two ends of the fixed cross beam, and a bent plate linkage rod is connected between the two lifting mechanisms. The lifting mechanisms on two sides are connected into a whole through the bent plate linkage rod, synchronous operation is achieved, when the lifting mechanism on one side is operated to lift the guardrail structure, the lifting mechanism on the other side can synchronously operate, and based on the structure, the lifting of the whole guardrail structure is smoother.

Preferably, one end of the bending plate linkage rod is connected to a second connecting bending plate of the lifting mechanism at one side of the fixed cross beam, and the other end of the bending plate linkage rod is connected to a second connecting bending plate of the other lifting mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front projection view of a fully covered lifting guardrail provided by the utility model;

FIG. 2 is an enlarged view of a portion of the right side of FIG. 1;

FIG. 3 is a perspective view of the full-coverage lifting guardrail provided by the utility model;

FIG. 4 is an enlarged view of a portion of the right side of FIG. 3;

FIG. 5 is a right side construction diagram of the full-coverage lifting guardrail provided by the utility model;

FIG. 6 is a schematic view of a first view angle structure of a lifting mechanism according to an embodiment;

FIG. 7 is a schematic view of a second view structure of the lifting mechanism according to the embodiment;

FIG. 8 is a schematic view of a first supporting axle seat in the lifting mechanism;

FIG. 9 is a schematic view of a first support shaft seat of the lifting mechanism;

FIG. 10 is a schematic view of a second connecting plate in the lift mechanism;

FIG. 11 is a schematic view of the structure of the locking connection in the lifting mechanism;

fig. 12 is a state diagram of the fully covered lifting fence according to the present embodiment when it is lowered to a certain lower position.

Reference numerals illustrate:

1. fixing the cross beam;

2. a lifting mechanism; 21. a first support shaft seat; 22. the second supporting shaft seat; 23. a first connecting bent plate; 24. a second connecting bent plate; 25. locking the connector; 26. a damper; 27. a wrench;

211. a first upper shaft coupling hole; 212. a first lower shaft coupling hole;

221. a second upper shaft coupling hole; 222. a second lower shaft coupling hole; 223. a second center shaft hole;

241. a first shaft hole of the bending plate; 242. a second shaft hole of the bending plate; 243. a third shaft hole of the bending plate; 244. a fourth shaft hole of the bending plate;

251. the locking piece is provided with an upper shaft hole; 252. a locking piece lower shaft hole; 253. a locking chute; 254. the chute locks the clamping position;

3. a guardrail structure; 31. guard bar outer frame; 32. guard rail cross beams; 33. a guardrail upright rod;

4. and a bent plate linkage rod.

Detailed Description

The present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown, but in which the utility model is not limited to the embodiments shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The full coverage lifting fence of the present utility model is described below with reference to fig. 1 to 8.

Referring to fig. 1 to 5, fig. 1 to 5 show a schematic structural view of a full-coverage lifting guardrail provided by the utility model. The full-coverage lifting guardrail of this embodiment is applicable to domestic beds such as domestic bed, nursing bed, domestic bed, takes domestic bed as an example, and this full-coverage lifting guardrail sets up in domestic bed's lathe bed both sides, has the function that prevents that the personnel on the bed from rolling down from the bed side, simultaneously through elevating system, can shrink to descend to the below of mattress, the personnel of being convenient for gets on and off the bed. Specifically, taking a lifting guardrail on one side as an example, the full-coverage lifting guardrail comprises a fixed cross beam 1, two lifting mechanisms 2 welded on the fixed cross beam 1, and a guardrail structure 3 movably connected with the lifting mechanisms 2, wherein the fixed cross beam 1 is a part of a bed frame on the side edge of a bed body and is fixedly connected with other bed structures, the fixed cross beam 1 is used as a supporting body of the whole guardrail structure 3, two ends of the fixed cross beam are respectively fixedly welded with a supporting shaft seat, one end of the fixed cross beam is used as an example, two mutually-approaching first supporting shaft seat 21 and second supporting shaft seat 22 are welded, and lifting components matched with each other are arranged on the first supporting shaft seat 21 and the second supporting shaft seat 22 to support and lift the guardrail structure 3.

Specifically, referring to fig. 2 and 4, fig. 2 and 4 show a positional relationship diagram of the lifting mechanism in the entire lifting fence in the present embodiment, that is, an enlarged view of the lifting mechanism shown on the right side in fig. 1 and 3. It can be seen that the lifting mechanism 2 is fixed to the fixed cross beam 1 and supports the guardrail structure 3 by means of a number of connectors having supporting and moving functions.

Wherein, as shown in fig. 3, guardrail structure 3 includes guardrail frame 31, is located guardrail crossbeam 32 of guardrail frame 31 bottom to and set up a plurality of guardrail pole setting 33 between guardrail frame 31 and guardrail crossbeam 32, a plurality of guardrail pole setting 33 interval arrangement set up, and the clearance is less, can prevent personnel's mistake and go into, and then play the protection purpose, and whole guardrail structure 3 length is close with the length of fixed beam 1, can cover whole lathe bed side promptly, reaches the guardrail effect of full coverage.

Wherein, referring to fig. 6 and 7, fig. 6 and 7 show a schematic structural view of a lifting mechanism in the full-coverage lifting fence of the present embodiment. The lifting mechanism 2 comprises a first supporting shaft seat 21 and a second supporting shaft seat 22, wherein the first supporting shaft seat 21 and the second supporting shaft seat 22 are fixed at intervals on the outer side of the fixed cross beam 1, the axial direction of the fixed cross beam 1 is transverse, namely the direction from a head of a bed to a tail of the bed is transverse, the width direction of a bed is longitudinal, the first supporting shaft seat 21 and the second supporting shaft seat 22 are fixed on the longitudinal outer side of the fixed cross beam 1 at intervals transversely, the first supporting shaft seat 21 is close to the end part of the fixed cross beam 1, namely the first supporting shaft seat 21 is positioned on the transverse outer side of the second supporting shaft seat 22; the upper end of the first supporting shaft seat 21 is connected with a first connecting bent plate 23 in a shaft way, the middle part of the second supporting shaft seat 22 is connected with a second connecting bent plate 24 in a shaft way, the first connecting bent plate 23 and the second connecting bent plate 24 are respectively connected with the outer side and the inner side of the guardrail outer frame 31 in a shaft way, specifically, the position of the first supporting shaft seat 21, where the first connecting bent plate 23 is connected with the second connecting bent plate 24 in a shaft way, is higher than the position of the guardrail outer frame 31, where the first connecting bent plate 23 is connected with the guardrail outer frame 31 in a shaft way, namely, the shaft connection position of the second connecting bent plate 24 is lower, the first connecting bent plate 23 is connected with the guardrail outer frame 31 on the side close to the end part of the fixed beam 1 in a shaft way, the second connecting bent plate 24 is connected with the other side of the guardrail outer frame 31 in a shaft way, and the shaft connection position is lower, so that four shaft joints at the two ends of the first connecting bent plate 23 and the second connecting bent plate 24 form a parallel hinge principle, and the telescopic and overturning strokes can be provided.

Further, a damper 26 is movably connected between the first supporting shaft seat 21 and the second connecting bent plate 24, the upper end of the damper 26 is rotatably connected below the shaft joint of the second connecting bent plate 24 and the guardrail outer frame 31, the lower end of the damper 26 is rotatably connected at the lower end of the first supporting shaft seat 21, the damper 26 forms a turnover buffering force between the first supporting shaft seat 21 and the second connecting bent plate 24, and under the condition that a driving device is not needed, a user is assisted to lift and descend the lifting guardrail, movement resistance is provided in the movement process of the lifting guardrail, the descending speed of the lifting guardrail is slowed down, and vibration and energy are damped.

Further, as shown in fig. 8, the first supporting axle seat 21 has a first upper axle connection portion protruding upward, a first upper axle connection hole 211 is formed in the first upper axle connection portion, a first lower axle connection portion protruding downward and outward from the first supporting axle seat 21, a first lower axle connection hole 212 is formed in the first lower axle connection portion, and the first lower axle connection portion protrudes outward and extends in a direction away from the fixed cross beam 1.

Further, the first connecting bent plate 23 is an L-shaped bent plate, one end of which is pivotally connected to the outer side of the guard rail outer frame 31, and the other end of which is pivotally connected to the first upper shaft connecting hole 211 through a shaft pin.

Further, as shown in fig. 9, the main body portion of the second supporting axle seat 22 extends downward, and a plurality of axle holes are provided in the main body portion, and since the main body portion extends downward, the main body portion is located lower than the first upper axle hole 211, and a second upper axle hole 221, a second lower axle hole 222 and a second middle axle hole 223 are separated in the main body portion, wherein the second upper axle hole 221 is located at the uppermost position, the second lower axle hole 222 is located at the lowermost position, and the second middle axle hole 223 is located between the second upper axle hole 221 and the second lower axle hole 222 and is offset in a direction approaching the fixed cross beam 1.

Further, as shown in fig. 10, the second connecting bent plate 24 has an obtuse angle bending structure, and has a bent portion greater than 90 degrees, wherein the second connecting bent plate 24 has a bent plate first shaft hole 241 at the top end, a bent plate second shaft hole 242 at the bottom end, a bent plate third shaft hole 243 at the bent portion, and a bent plate fourth shaft hole 244 between the bent plate first shaft hole 241 and the bent plate third shaft hole 243; wherein, the first axle hole 241 of the bending plate is connected to the inner side of the outer frame 31 of the guard rail, and the second axle hole 242 of the bending plate is connected to the second upper axle hole 221.

Further, the damper 26 is connected between the bent plate fourth shaft hole 244 and the first lower shaft hole 212, the upper end of the damper 26 is rotatably connected to the bent plate fourth shaft hole 244, and the lower end of the damper 26 is rotatably connected to the first lower shaft hole 212.

On the basis of the above embodiment, the locking connector 25 for position locking is further included, as shown in fig. 11, the locking connector 25 is a strip-shaped connecting plate, and has a locking chute 253 in the middle, and further includes a locking upper shaft hole 251 near the upper end and a locking lower shaft hole 252 near the bottom end; wherein, the lower shaft hole 252 of the locking piece is rotatably connected with the second lower shaft hole 222, the locking sliding groove 253 is slidably provided with a sliding block, the sliding block is rotatably connected in the third shaft hole 243 of the bending plate, and when the whole lifting mechanism 2 moves, the sliding block can reciprocally slide in the locking sliding groove 253; the upper end of the locking chute 253 is provided with a chute locking clamping position 254 with a direction changing, specifically, the upper end of the locking chute 253 turns towards the direction approaching the fixed cross beam 1 to form a chute locking clamping position 254 for accommodating the sliding block to clamp in; a wrench 27 is rotatably connected to the lock upper shaft hole 251, and the wrench 27 is a hand-held portion extending to a side perpendicular to the lock link 25; when the guardrail structure 3 rises to the highest position, the wrench 27 is held by hand, the sliding block can enter the chute locking clamping position 254 to form position locking by pressing downwards and outwards, and of course, the guardrail structure is lifted upwards, and the sliding block can be automatically clamped without manual clamping action; the reverse operation can unlock and the wrench 27 can be held by hand to perform the downward operation on the guardrail structure 3.

Further, the second central shaft hole 223 is further connected with a positioning shaft pin, which does not affect understanding, and is not marked in the drawing, as shown in fig. 12, when the guardrail structure 3 descends, the lifting mechanism 2 rotationally connected parts are matched and turned downwards to drive the guardrail structure 3 to move downwards from the side of the bed, when the guardrail structure moves to the lowest point, the second connecting bent plate 24 is abutted with the positioning shaft pin, and the positioning shaft pin forms a limit on the second connecting bent plate 24, so that the lifting mechanism 2 cannot continue to move, and the positioning of the bottom is realized.

Further, the guardrail structure further comprises a bent plate linkage rod 4 for connecting the two lifting mechanisms 2 on two sides, two ends of the bent plate linkage rod 4 are respectively connected to second connecting bent plates 24 on two sides, the lifting mechanisms 2 on two sides are connected into a whole to realize synchronous operation, and when the lifting mechanism 2 on one side is operated to lift the guardrail structure 3, the lifting mechanism 2 on the other side can synchronously operate, and based on the structure, the lifting of the whole guardrail structure 3 is smoother.

Compared with the traditional lifting guardrail, the full-coverage lifting guardrail provided by the utility model is a full-coverage guardrail, namely the guardrail covers from the head of a bed to the tail of the bed, the side edge of the bed is fully covered, and the full protection of personnel on the bed is effectively realized, so that falling and clamping of the bed are avoided. When a patient gets on or off the bed, the guard rail can integrally fall to a position lower than the mattress, so that the patient can get off the bed conveniently, and the space is not occupied. The guardrail can be directly lifted when in use, and simultaneously, the guardrail is automatically locked, and the guardrail has the advantages of an all-steel structure, stable structure, firmness and durability, and the locking connecting piece is of a chute buckle structure, is not easy to damage and is low in maintenance cost.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Thus, various changes and modifications to the disclosed features and combinations of features not explicitly shown herein may be made by those skilled in the art within the scope of the utility model. The foregoing description of the embodiments and examples are illustrative rather than limiting.

Claims (10)

1. The full-coverage lifting guardrail comprises guardrail structures (3) movably connected to fixed cross beams (1) on two sides of a lathe bed, and is characterized in that the guardrail structures (3) are integrated, two sides of each guardrail structure are respectively close to a lathe head and a lathe tail, and the guardrail structures (3) are movably connected to the fixed cross beams (1) through lifting mechanisms (2) at the bottom;

the lifting mechanism (2) comprises:

the first support shaft seat (21) and the second support shaft seat (22), and the first support shaft seat (21) and the second support shaft seat (22) are fixed at intervals on the outer side of the fixed cross beam (1);

the upper end of the first connecting bent plate (23) is connected with one side of the guardrail structure (3) in a shaft way, and the lower end of the first connecting bent plate (23) is connected with the upper end of the first supporting shaft seat (21) in a shaft way;

the second is connected bent plate (24), second is connected bent plate (24) upper end coupling and is in guardrail structure (3) one side, and the coupling position be less than first connection bent plate (23) with the coupling position of guardrail structure (3), second is connected bent plate (24) lower extreme coupling is in the upper end of second support axle bed (22), and the coupling position be less than first connection bent plate (23) with the coupling position of first support axle bed (21).

2. The full-coverage lifting guardrail according to claim 1, wherein the first supporting shaft seat (21) is provided with a first lower shaft joint hole (212) far away from the upper end in the vertical direction, a certain distance is arranged below the upper end of the second connecting bent plate (24) and is provided with a bent plate fourth shaft hole (244), and a damper (26) is movably connected between the first lower shaft joint hole (212) and the bent plate fourth shaft hole (244).

3. The full-coverage lifting guardrail according to claim 2, wherein the second connecting bent plate (24) is provided with a bent plate third shaft hole (243) below the bent plate fourth shaft hole (244), the second supporting shaft seat (22) is provided with a second lower shaft hole (222) far away from the upper end in the vertical direction, a locking connecting piece (25) is movably connected between the bent plate third shaft hole (243) and the second lower shaft hole (222), the locking connecting piece (25) is provided with a locking sliding groove (253) at the middle part, the upper end of the locking sliding groove (253) is provided with a sliding groove locking clamp (254), and the bent plate third shaft hole (243) is rotationally connected with a sliding block which slides in the locking sliding groove (253).

4. A fully covered lifting guardrail according to claim 3, characterized in that the chute locking clamping position (254) is a bending slot which is communicated with the locking chute (253) and is arranged at a certain included angle with the locking chute (253) and can accommodate the clamping of the sliding block.

5. A full coverage lifting fence as claimed in claim 3, characterized in that the locking connection (25) is provided with a spanner (27), which spanner (27) is perpendicular to the locking connection (25) and extends to one side forming a hand grip.

6. Full-coverage lifting guardrail according to claim 1, characterized in that the first connecting bent plate (23) is an L-shaped bent plate, the bent position of which protrudes to the side remote from the fixed cross beam (1).

7. Full-coverage lifting guardrail according to claim 1, characterized in that the second connecting bending plate (24) is of obtuse bending structure, the bending position of which protrudes to the side remote from the fixed cross beam (1).

8. The full-coverage lifting guardrail according to claim 1, wherein a second central shaft hole (223) is formed in the middle of the second supporting shaft seat (22), one side of the second central shaft hole (223) facing the first supporting shaft seat (21) is connected with a positioning shaft pin, and the positioning shaft pin forms a lowest point limit on the second connecting bent plate (24) from the bottom of the second connecting bent plate (24).

9. Full-coverage lifting guardrail according to any one of claims 1-8, characterized in that two lifting mechanisms (2) are arranged and symmetrically positioned at two ends of the fixed cross beam (1), and a bent plate linkage rod (4) is connected between the two lifting mechanisms (2).

10. Full-coverage lifting guardrail according to claim 9, characterized in that the bending plate linkage rod (4) is connected at one end to the second connecting bending plate (24) of one lifting mechanism (2) and at the other end to the second connecting bending plate (24) of the other lifting mechanism (2).