CN218009011U - Hydraulic bed - Google Patents

Abstract

The utility model discloses a hydraulic bed, which comprises a bed body, a bed frame and a hydraulic mechanism, wherein the bed frame is arranged on the bed body through the hydraulic mechanism in a lifting way, and the bed frame comprises two longitudinal rods and two transverse rods; two ends of each transverse rod are bent towards the longitudinal rods to form connecting parts, and two ends of each longitudinal rod are respectively and fixedly connected with the connecting parts of the transverse rods to form a frame-shaped bedstead; the length of the longitudinal rod is equal to that of the transverse rod; the bed body is of a detachable structure. Therefore, the bed frame and the bed body can be disassembled and assembled, so that the packaging volume can be greatly reduced, the transportation cost is reduced, and the external competitiveness of the product is expanded; and the bedstead structure only is formed by isometric horizontal pole and the equipment of vertical pole, when reducing product package size, can realize fast assembly.

Description

Hydraulic bed

Technical Field

The utility model relates to a domestic furniture technical field, especially a hydraulic pressure bed.

Background

The hydraulic bed is characterized in that two to three sets of pneumatic supports (commonly called hydraulic arms) and a metal movable frame are arranged below a bed plate. The bed board can be easily raised by about 30-75 degrees, and the space under the bed for accommodating articles is exposed, so that the space is fully utilized.

The existing hydraulic bed is basically used in cooperation with an integrated metal bed frame to ensure that the bed has enough strength to support a mattress. However, the integrated metal bed frame occupies a large space, has high transportation cost, is not suitable for long-distance transportation, and particularly has higher transportation cost when the product is packed more and more in the international transportation process. So there is the bedstead structure of being a plurality of sub-poles with the equal split of horizontal pole and the vertical pole of metal bedstead now, can reduce the product packaging size, but has spare part too much, and the equipment is loaded down with trivial details, the problem that wastes time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic press has the bed body and the bedstead of removable branch, can reduce the product packaging size, reduces the cost of transportation to but fast assembly.

In order to achieve the above purpose, the solution of the utility model is:

a hydraulic bed comprises a bed body, a bed frame and a hydraulic mechanism, wherein the bed frame is arranged on the bed body in a lifting manner through the hydraulic mechanism; the bed body is of a detachable structure; the bed body comprises a headboard, a footboard and two bed side boards which are mutually connected in a frame surrounding manner, the headboard and the footboard are distributed in the front and back direction, and the two bed side boards are distributed in the left and right direction; the two groups of hydraulic mechanisms are respectively and symmetrically arranged at the positions of the left and right bed side plates close to the headboard; each group of hydraulic mechanisms comprises a fixed plate, a first connecting rod, a second connecting rod, a movable plate and a hydraulic rod, wherein the fixed plate is fixedly locked on a bed side plate of the bed body, and the movable plate is fixedly locked on the bottom surface of the bed frame; the lower end of the first connecting rod is hinged to the front part of the fixed plate, the upper end of the first connecting rod is hinged to the middle part of the movable plate, the lower end of the second connecting rod is hinged to the rear part of the fixed plate, and the upper end of the second connecting rod is hinged to the rear part of the movable plate; the lower end part of the first connecting rod is hinged with one end of a hydraulic rod, and the other end of the hydraulic rod is hinged to the middle part of the movable plate and positioned in front of the hinged end of the first connecting rod and the movable plate; the bed frame comprises two longitudinal rods and two transverse rods; two ends of each transverse rod are bent towards the longitudinal rods to form connecting parts, and two ends of each longitudinal rod are respectively and fixedly connected with the connecting parts of the transverse rods to form a frame-shaped bedstead; the length of the longitudinal rod is equal to that of the transverse rod.

Furthermore, the connecting parts of the longitudinal rod and the transverse rod are mutually sleeved and locked.

Furthermore, connecting blocks are convexly arranged at two ends of the longitudinal rod respectively, connecting holes are formed in the connecting blocks, connecting parts of the transverse rods are provided with connecting ports for the connecting blocks to penetrate through, and through holes are formed in the connecting parts corresponding to the connecting holes.

Furthermore, a middle pole of the bed frame is arranged in the middle of the bed frame, two ends of the middle pole of the bed frame are respectively connected to the middle parts of the two cross rods, and the middle pole of the bed frame is formed by sleeving two sections of middle pole rods.

Furthermore, the bottom of the bedstead middle rod is provided with a plurality of bedstead support legs, and the bedstead support legs are distributed at the bottom of the middle rod sub-rod of the bedstead middle rod close to the headboard.

Furthermore, the head board, the tail board and the two side boards of the bed body are respectively connected and fixed with each other through connecting pieces and screws.

Furthermore, the connecting piece comprises a fixing part and an adjusting part which are perpendicular to each other, the fixing part is provided with a plurality of lock holes, and the adjusting part is provided with at least two adjusting holes; each adjusting hole comprises a yielding hole and locking holes symmetrically arranged at the upper end and the lower end of the yielding hole, the locking holes are communicated with the yielding holes, the diameter of each yielding hole is larger than that of the head of the screw, and the diameter of each locking hole is smaller than that of the head of the screw.

Furthermore, the bed side plate is divided into two side plate sub-plates which are respectively and longitudinally connected and fixed; the position where the two side plate daughter boards are connected with each other is connected with a middle supporting leg; a bed body middle rod is arranged between the middle supporting feet of the two bed side plates.

Furthermore, a blocking piece is arranged on one side, close to the bed head, of the bed frame, one end of the blocking piece is fixed on the bed frame, and the other end of the blocking piece extends out of the bed frame upwards to limit and block the mattress.

Further, the top of the blocking piece is in an arc design.

Furthermore, the blocking piece comprises a locking piece and blocking hooks, the locking piece main body is bent and locked on the inner side and the upper side of the cross bar of the bedstead, and the blocking hooks are welded on the locking piece and are bent upwards and are vertical to the outer side of the bedstead.

After the technical scheme is adopted, the bed frame and the bed body of the utility model can be disassembled and assembled, thereby greatly reducing the packaging volume, reducing the transportation cost and enlarging the external competitiveness of the product; the length of the transverse rods and the longitudinal rods of the utility model can be set to be equal, so as to further reduce the packaging size of the product; and simultaneously, the utility model discloses a bedstead structure only forms by horizontal pole and vertical pole equipment, and borrow the connecting piece of bending by horizontal pole both ends and realize the fast assembly with the vertical pole, compares prior art and has reduced the spare part that needs the equipment, has improved the packaging efficiency.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a schematic view of the vertical bar and the horizontal bar of the bed frame according to the embodiment of the present invention;

fig. 3 is a schematic view of a vertical bar and a horizontal bar of a bed frame according to an embodiment of the present invention;

fig. 4 is a schematic view showing the matching of the vertical bar, the horizontal bar and the middle bar of the bed frame according to the embodiment of the present invention;

fig. 5 is a schematic view of a bed body according to an embodiment of the present invention;

FIG. 6 is an enlarged view of FIG. 5 at A;

FIG. 7 is an enlarged view of FIG. 5 at B;

fig. 8 is a schematic view of a bed end plate according to an embodiment of the present invention;

fig. 9 is a schematic view of the installation of the hydraulic mechanism according to the embodiment of the present invention;

fig. 10 is a schematic view of the bed frame of the embodiment of the present invention being lifted by a hydraulic mechanism on the bed body;

fig. 11 is a schematic view of a bed frame mounting connection rib according to an embodiment of the present invention;

FIG. 12 is an enlarged view at C of FIG. 11;

fig. 13 is a perspective view of the bed frame in a raised state according to the embodiment of the present invention.

Description of the symbols:

1-bed body, 11-headboard, 12-footboard, 121-supporting block, 13-bed side board, 131-side board daughter board, 14-connecting piece, 141-fixing part, 142-adjusting part, 143-locking hole, 144-adjusting hole, 1441-abdicating hole, 1442-locking hole, 15-screw, 16-middle supporting leg, 161-connecting board, 17-bed body middle rod;

2-bed frame, 21-longitudinal rod, 211-connecting block, 212-connecting hole, 213-rib hole, 22-cross rod, 23-connecting part, 231-connecting port, 232-through hole, 24-bed frame middle rod, 241-middle rod, 25-connecting rib, 26-bed frame support leg, 27-blocking piece, 271-locking piece and 272-blocking hook;

3-a hydraulic mechanism, 31-a fixed plate, 32-a first connecting rod, 33-a second connecting rod, 34-a movable plate and 35-a hydraulic rod;

10-receiving space, 20-open position.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships conventionally placed when the products of the application are used, or the orientations or positional relationships conventionally understood by those skilled in the art, and are only for convenience of description and simplification of the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the application.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and 2, a hydraulic bed comprises a bed body 1, a bed frame 2 and a hydraulic mechanism 3, wherein the bed frame 2 is arranged on the bed body 1 in a lifting manner through the hydraulic mechanism 3, and the bed frame 2 comprises two longitudinal rods 21 and two cross rods 22; the two ends of each cross bar 22 are bent towards the longitudinal bars 21 to form connecting parts 23, and the two ends of each longitudinal bar 21 are respectively connected and locked with the connecting parts 23 of the cross bars 22 to form a frame-shaped bedstead 2; the length of the longitudinal bar 21 is equal to that of the transverse bar 22 (see fig. 3); the bed body 1 is of a detachable structure.

The bed frame 2 is disassembled into the cross rod 22 and the longitudinal rod 21 which are equal in length, the cross rod 22 is bent towards the longitudinal rod 21 to form the integrated connecting part 23, and the connecting part 23 and the longitudinal rod 21 can be locked and connected in a sleeving manner and the like, so that the bed frame 2 is guaranteed to be detachable and consistent in packaging length, and the transportation cost is reduced.

In this embodiment, the longitudinal bar 21 and the cross bar 22 of the bed frame 2 are hollow tubes, and the connecting portions 23 of the longitudinal bar 21 and the cross bar 22 are sleeved and locked with each other.

Specifically, as shown in fig. 2 and 3, two ends of the longitudinal rod 21 are respectively provided with a connecting block 211 in a protruding manner, the connecting block 211 is provided with a connecting hole 212, the connecting part 23 is provided with a connecting port 231 through which the connecting block 211 passes, and the connecting part 23 is provided with a through hole 232 corresponding to the connecting hole 212; when the connecting block 211 of the longitudinal rod 21 is sleeved on the connecting port 231 of the connecting portion 23 of the transverse rod 22, the longitudinal rod 21 and the transverse rod 22 can be firmly locked together by a bolt or a screw passing through the through hole 232 and the connecting hole 212.

As shown in fig. 4, a bed frame middle rod 24 may be further disposed at the middle of the bed frame 2, two ends of the bed frame middle rod 24 may be respectively connected to the middle of the two cross rods 22, and the bed frame middle rod 24 is formed by two middle rod rods 241 which are sleeved with each other, so as to detachably reduce the packaging volume; as shown in fig. 1 and fig. 11, a plurality of connecting ribs 25 may be distributed on the upper surface of the bed frame 2 along the longitudinal direction of the longitudinal rod 21 to replace a bed board for supporting a mattress (not shown), and two ends of each connecting rib 25 may be respectively locked or embedded in each rib hole 213 provided on the longitudinal rod 21.

As shown in fig. 11 and 13, the bottom of the middle rod 24 of the bed frame may be provided with a plurality of frame legs 26 for assisting in supporting the bed frame 2 and the mattress thereon. Two bedstead stabilizer blades 26 are located to this embodiment, are located the middle pole rod 241 bottom that the bedstead middle pole 24 is close to the head board respectively to when avoiding the bedstead 2 lifting, cause the open position 20 to the bed body 1 storage space 10 of bedstead 2 lifting and block, more make things convenient for accomodating of article to get and put.

As shown in fig. 5-7, the bed body 1 is a detachable structure, and includes a headboard 11, a footboard 12 and two footboard 13, which are connected with each other in a frame-surrounding manner, the headboard 11 and the footboard 12 are distributed in a front-back manner, the two footboard 13 are distributed in a left-right manner, and every two boards are respectively connected and fixed through a connecting piece 14 and a screw 15.

The connecting piece 14 comprises a fixing part 141 and an adjusting part 142 which are perpendicular to each other, the fixing part 141 is provided with a plurality of locking holes 143, the adjusting part 142 is provided with at least two adjusting holes 144, each adjusting hole 144 comprises an abdicating hole 1441 and locking holes 1442 which are symmetrically arranged at the upper end and the lower end of the abdicating hole 1441, the locking holes 1442 are communicated with the abdicating hole 1441, and the diameter of the abdicating hole 1441 is larger than that of the locking holes 1442; the offset hole 1441 allows the head 151 of the screw 15 to pass through, and the locking hole 1442 is smaller than the diameter of the head 151 of the screw 15 and allows the body 152 of the screw 15 to pass through, and screw holes are provided on each plate corresponding to the locking hole 143 and the locking hole 1442.

In this embodiment, as shown in fig. 6, when installing, the fixing portions 141 of the connecting member 14 are respectively fixed at two ends of the bed side plate 13, then at least two screws 15 are respectively fixed at two sides of the footboard 12 and the bed side plate 13 in advance, then the adjusting portion 142 of the connecting member 14 fixed by the two bed side plates 13 is moved to align with the screws 15 located on the footboard 12 and the headboard 11, so that the yielding hole 1441 of the adjusting portion 142 can pass through the head 151 of the screw 15, so as to buckle the connecting member 14 on the body 152 of the screw 15 through the locking hole 1442 at the upper end of the yielding hole 1441, and then the screw 15 is rotated to lock, so that the two bed side plates 13 are respectively and mutually frame-fixed with the headboard 11 and the footboard 12 into a whole, without screw holes of the connecting members 14 aligned with each plate one to one, and the bed body 1 connection can be rapidly completed.

The adjusting hole 144 of the connecting member 14 includes a yielding hole 1441 and two locking holes 1442, which not only enlarges the length of the locking hole 1442 and can provide enough adjusting space for locking the screws 15 of the headboard 11 and the footboard 12, but also the upper and lower ends of the yielding hole 1441 are provided with two locking holes 1442, so that the connecting member 14 with the same structure can be applied to any one end of the bed side board 13 (see fig. 9), and the connecting member 14 with different connecting positions in front, rear, left and right is not required to be distinguished, thereby saving the mold opening cost of the connecting member 14 during production and manufacture.

As shown in fig. 5 and 7, the bed side plate 13 can be divided into two side plate sub-plates 131, which are longitudinally connected and fixed respectively to reduce the packaging volume; the middle part of the bed side plate 13, namely the position where the two side plate sub-plates 131 are connected with each other, is connected with a middle supporting leg 16, the two sides of the middle supporting leg 16 extend to form a connecting plate 161, and the connecting plates 161 at the two sides can be respectively matched with screws 15 to be locked on the two side plate sub-plates 131, so that the side plate sub-plates 131 are connected into a whole. Meanwhile, a bed body middle rod 17 can be arranged between the middle supporting feet 16 of the two bed side plates 13 to increase the stability of the assembled bed body 1 and can be used for supporting the bed frame 2.

As shown in fig. 8, the inner side of the bed tail plate 12 is provided with a plurality of supporting blocks 121, which cooperate with the bed middle rod 17 to support the bed frame 2; the headboard 11 of the present embodiment is also detachable.

As shown in fig. 9 and 10, the hydraulic mechanisms 3 are two sets, which are respectively symmetrically disposed on the side boards 131 of the bed side boards 13 on the left and right sides close to the headboard 11, and the driving ends thereof are connected to the left and right sides of the bed frame 2 close to the head of the bed, so as to drive the position of the bed tail of the bed frame 2 to be lifted at a certain angle, thereby conveniently and fully utilizing the storage space 10 below the bed frame 2 and in the bed body 1 to store articles and the like.

The hydraulic mechanism 3 comprises a fixed plate 31, a first connecting rod 32, a second connecting rod 33, a movable plate 34 and a hydraulic rod 35, the fixed plate 31 is locked on the bed side plate 13 of the bed body 1, the movable plate 34 is locked on the bottom surface of the bed frame 2, that is, the movable plate 34 is locked on the connecting part 23 of the longitudinal rod 21 and the transverse rod 22 of the bed frame 2; the lower end of the first connecting rod 32 is hinged to the front part of the fixed plate 31, the upper end of the first connecting rod 32 is hinged to the middle part of the movable plate 34, the lower end of the second connecting rod 33 is hinged to the rear part of the fixed plate 31, and the upper end of the second connecting rod 33 is hinged to the rear part of the movable plate 34; the lower end of the first link 32 is hinged to one end of a hydraulic rod 35, and the other end of the hydraulic rod 35 is hinged to the middle of the movable plate 34 and located in front of the hinged end of the first link 32 and the movable plate 34. Therefore, the bed frame 2 and the bed mattress on the bed frame 2 can be lifted by the aid of the two sets of hydraulic mechanisms 3, and the bed is convenient and labor-saving.

As shown in fig. 11 to 13, a blocking member 27 is disposed on one side of the bed frame 2 close to the bed head, one end of the blocking member 27 is fixed on the bed frame 2, and the other end thereof extends upward out of the bed frame 2, so that when the hydraulic mechanism 3 lifts the mattress, the blocking member can limit and block the mattress, and prevent the mattress from sliding downwards.

The two blocking parts 27 are respectively arranged at two sides of the middle rod 24 of the bed frame, and the top of the blocking part 27 is designed in an arc shape to prevent a user from colliding. The blocking member 27 comprises a locking piece 271 and a blocking hook 272, the body of the locking piece 271 is bent to be locked on the inner side and the upper side of the cross bar 22 of the bed frame 2, and the blocking hook 272 is welded on the locking piece 271 and is bent upwards to be vertical to the outer side of the bed frame 2 for blocking one end of the position limiting mattress close to the head of the bed.

In conclusion, the bed frame 2, the bed body 1, the headboard 11 and the bed side board 13 of the utility model can be disassembled and assembled, thereby greatly reducing the packaging volume of the hydraulic bed, reducing the transportation cost and expanding the external competitiveness of the product; the structure of the bed frame 2 is formed by assembling the cross rods 22 and the longitudinal rods 21 which are equal in length, so that the packaging size of the product is reduced, the number of parts needing to be assembled is reduced, and the assembly efficiency is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that equivalent changes and modifications without departing from the principles of the present invention shall still fall within the protection scope of the present invention for those skilled in the art.

Claims (10)

1. The utility model provides a hydraulic pressure bed, includes the bed body, bedstead and hydraulic pressure mechanism, the bedstead passes through installing on the bed body of hydraulic pressure mechanism liftable, its characterized in that:

the bed body is of a detachable structure and comprises a headboard, a footboard and two bedside boards which are mutually connected in a frame surrounding manner, wherein the headboard and the footboard are distributed in the front and back direction, and the two bedside boards are distributed in the left and right direction;

the two groups of hydraulic mechanisms are respectively and symmetrically arranged at the positions of the left and right bed side plates close to the headboard;

each group of hydraulic mechanisms comprises a fixed plate, a first connecting rod, a second connecting rod, a movable plate and a hydraulic rod, wherein the fixed plate is fixedly locked on a bed side plate of the bed body, and the movable plate is fixedly locked on the bottom surface of the bed frame; the lower end of the first connecting rod is hinged to the front part of the fixed plate, the upper end of the first connecting rod is hinged to the middle part of the movable plate, the lower end of the second connecting rod is hinged to the rear part of the fixed plate, and the upper end of the second connecting rod is hinged to the rear part of the movable plate; the lower end part of the first connecting rod is hinged with one end of a hydraulic rod, and the other end of the hydraulic rod is hinged to the middle part of the movable plate and positioned in front of the hinged end of the first connecting rod and the movable plate;

the bed frame comprises two longitudinal rods and two transverse rods; two ends of each transverse rod are bent towards the longitudinal rods to form connecting parts, and two ends of each longitudinal rod are respectively and fixedly connected with the connecting parts of the transverse rods to form a frame-shaped bedstead; the length of the longitudinal rod is equal to that of the transverse rod.

2. The hydraulic bed of claim 1, wherein: the connecting parts of the longitudinal rod and the transverse rod are mutually sleeved and locked.

3. The hydraulic bed of claim 2, wherein: the connecting device is characterized in that connecting blocks are convexly arranged at two ends of the longitudinal rod respectively, connecting holes are formed in the connecting blocks, connecting ports for the connecting blocks to penetrate through are formed in the connecting portions of the transverse rods, and through holes are formed in the connecting portions corresponding to the connecting holes.

4. The hydraulic bed of claim 1, wherein: the middle part of the bed frame is provided with a bed frame middle rod, the two ends of the bed frame middle rod are respectively connected with the middle parts of the two cross rods, and the bed frame middle rod is formed by mutually sleeving two sections of middle rod sub-rods.

5. The hydraulic machine of claim 4, wherein: the bottom of the bedstead middle rod is provided with a plurality of bedstead support legs, and the bedstead support legs are distributed at the bottom of the middle rod of the bedstead middle rod close to the headboard.

6. The hydraulic bed of claim 1, wherein: the bed head plate, the bed tail plate and the two bed side plates of the bed body are respectively connected and fixed through connecting pieces and screws.

7. The hydraulic bed of claim 6, wherein: the connecting piece comprises a fixing part and an adjusting part which are perpendicular to each other, the fixing part is provided with a plurality of lock holes, and the adjusting part is provided with at least two adjusting holes; each adjusting hole comprises a yielding hole and locking holes symmetrically arranged at the upper end and the lower end of the yielding hole, the locking holes are communicated with the yielding holes, the diameter of the yielding holes is larger than that of the heads of the screws, and the locking holes are smaller than that of the heads of the screws.

8. The hydraulic bed of claim 6, wherein: the bed side plate is divided into two side plate sub-plates which are respectively and longitudinally connected and fixed; the position where the two side plate daughter boards are connected with each other is connected with a middle supporting leg; a bed body middle rod is arranged between the middle supporting legs of the two bed side plates.

9. The hydraulic bed of claim 1, wherein: one side of the bed frame, which is close to the bed head, is provided with a blocking piece, one end of the blocking piece is fixed on the bed frame, and the other end of the blocking piece extends upwards out of the bed frame to limit and block the mattress; the top of the blocking piece is in an arc-shaped design.

10. The hydraulic bed of claim 9, wherein: the blocking piece comprises a locking piece and blocking hooks, the locking piece main body is bent and locked on the inner side and the upper side of a cross bar of the bedstead, and the blocking hooks are welded on the locking piece and are bent upwards and are vertical to the outer side of the bedstead.

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