JP3062493U - Support structure of rear frame member in folding electric bed - Google Patents

Abstract

(57) [PROBLEMS] By improving a support structure, a fourth frame in a rear frame member can be raised or lowered while keeping a horizontal state, so that a user can move horizontally even when a user is sitting. The present invention provides a support structure for a rear frame member in a foldable electric bed that can easily respond to a user's request because the feet can be supported horizontally even when the bed is in the position. A third frame and a fourth frame of a rear frame member of the foldable electric bed are axially mounted on each other, and an axle is installed at a lower rear end of the fourth frame. A connecting rod is provided at one end, and a fixed rod is provided at the other end of the connecting rod. The fixed rod is installed in a rear frame member below the fourth frame.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention is a support structure for a rear frame member in a foldable electric bed that can provide a user with a different use form by improving the structure of the foldable electric bed.

[0002]

[Prior art]

 The structure of the conventional electric bed is composed of a front and rear frame member, as described in (Taiwan Utility Model No. 86221378) “Structure of Foldable Electric Bed” (Publication No. 342674). The front frame and the rear mat are provided on the bed frame, respectively, a connecting frame is provided at the bottom of the front mat, and a rotating arm is provided at the center bottom of the connecting frame. A hook portion provided at the bottom of the rear mat, a transmission mechanism provided at the bottom of the bed frame, and a transmission motor of the mechanism provided below the front frame and connected to a transmission shaft. An end of the elastic arm is axially connected to the free end of the rotating arm, and is also connected to an elastic wire, so that the other end of the elastic wire and a hook portion of the rear mat are fixed.

[0003]

[Problems to be solved by the invention]

 However, when the conventional electric bed is used, it can be used as a bed for the sick, but since the elastic wire is fixed to the hook portion of the rear mat, when the sick uses the bed, This force is supported by the raised mat, and at this time, the conventional structure has a limited support strength, so the mat cannot withstand a strong force, and when a sick person having a considerable weight uses the bed. Is very dangerous. Further, the force for raising the rear mat is provided by the elastic wire, and since the elastic wire and the rear mat have a certain elasticity, after the rear mat receives the weight, it bears the weight. In addition to providing a good contour, the raised part of the rear mat is not completely molded and has the disadvantage that the raised part is unstable in actual use.

[0004] Furthermore, the conventional electric bed has a protruding shape near the center of the rear mat in order to provide a patient with a different usage form besides sitting or lying down. Was. As a result, the patient's foot can be easily positioned at a protruding portion near the center of the rear mat with the bent portion slightly bent.

However, when designing such an electric bed from the standpoint of the patient, there is a limit in the selection of the form of use, and there are cases where the electric bed cannot be used depending on the patient.

[0006] The present invention solves the above-mentioned problem. By improving the support structure, the fourth frame of the subsequent frame member can be raised or lowered in a horizontal state. When the person is sitting or lying down, the feet can be supported horizontally, which makes it easy to meet the user's requirements.

[0007]

[Means for Solving the Problems]

 In order to solve the above-mentioned problem, the present invention provides a folding electric bed in which a third frame and a fourth frame of a rear frame member are axially mounted, and a lower end of a rear end of the fourth frame is provided. A connecting rod is provided at the other end of the shaft base, and a fixed rod is provided at the other end of the connecting rod. The fixed rod is provided in the rear frame member below the fourth frame. Provided is a support structure for a rear frame member in a foldable electric bed, wherein the support member is installed in a foldable electric bed.

[0008]

[Embodiment of the invention]

 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a side view of the present invention, FIG. 2 is a perspective view of the present invention, FIG. 3 is a side view showing an operation state of the present invention, and FIG. 4 shows an embodiment of the present invention. FIG. 5 is a side view showing another operation state of the present invention.

As shown in FIGS. 1 and 2, the bed frame structure of the foldable electric bed according to the present invention mainly comprises a front frame member (10) and a rear frame member (101) which are axially provided. A front mat (unsigned) and a rear mat (unsigned) are laid on the front frame member (10) and the rear frame member (101), and a second frame (12) is mounted on the front frame member (10). ), A first frame (11) that can rotate upward is provided at the front end of the second frame (12), and a convex plate (22) is provided near the bottom end of the first frame (11). The free end of the convex plate (22) is pivotally mounted on a moving rod (21) of a driving motor (20) provided in the bed frame structure, and the moving rod (21) of the driving motor (20) expands and contracts. In doing so, the convex plate (22) also performs the same movement at the same time. Accordingly, when the first frame (11) rotates downward, the first frame (11) forms a horizontal shape, and when the first frame (11) rotates upward, forms a slope at a certain angle. This angle can be adjusted by the user himself.

The third frame member (101) is provided with a third frame (13) and a fourth frame (14) axially mounted on each other, and a predetermined distance is provided in the second frame member (101). After that, two long rods (34) are provided, and by providing an auxiliary rod (35) outside the two long rods (34), it can be fixed to the outer frame (unsigned) of the bed frame. The free end of the third frame (13) is axially provided at a position corresponding to the rear frame member (101), and a lower portion near the axial installation of the third frame (13) and the fourth frame (14). A connecting rod (26) is provided at the other end of the connecting rod (26), a driving rod (25) is provided at the other end of the connecting rod (26), and the driving rod (25) is connected to the rear frame member (101). An interlocking rod (23) is axially provided between the other end of the driving rod (25) and the moving rod (21). Accordingly, when the moving rod (21) moves forward, the interlocking rod (23) and the driving rod (25) also move forward in conjunction therewith, and when the cylindrical portion (24) reaches the limit position. The connecting rod (26) raises the third frame (13).

A plurality of shaft stands (33) are provided at the end of the fourth frame (14), and a connection rod (32) is provided on each of the shaft stands (33), and the connection rod (32) is provided. A fixed rod (31) is axially provided at the other end of the connecting rod set (31), and the fixed rod (31) is fixed between the two elongated rods (34) of the rear frame member (101). The front end of the third frame (13) is axially mounted on the rear frame member (101), and the other end is axially mounted on the fourth frame (14), and the connecting rod (26) is provided. ) Is activated, the third frame (13) rises and moves forward, and at the same time, the fourth frame (14) also moves forward in conjunction therewith. Accordingly, the other end of the fourth frame (14) rises while being kept horizontal by receiving the action of the connecting rod (32) provided on the shaft (see FIG. 3).

Conversely, when the moving rod (21) of the drive motor (20) moves in the opposite direction, the position of the connecting rod (26) returns to the original position, and the third frame (13) also moves downward. It moves and the fourth frame (14) also descends in a horizontal state, and finally returns to the state shown in FIG.

As can be seen from the above description, FIG. 1 of the present invention can provide for laying a patient on a foldable electric bed, and FIGS. 2 and 3 operate the drive motor (20). This allows the foldable electric bed to be adjusted to the condition shown in FIGS. 2 and 3, thereby providing for the patient to sit on the foldable electric bed. Furthermore, when the foldable electric bed is used while the patient is sitting, the patient's knees are horizontal (the third frame is inclined slightly downward) and the patient's knees are above the rear frame member (101). The fourth frame (14) provided so as to have a certain height on the rear mat (see FIG. 4) in the fourth frame (14), and the thighs are in the second and third frames (12.13). Can be placed on a mat. Therefore, the folding electric bed of the present invention can provide a patient with a preferred use form.

As shown in FIG. 5, another operation state of the present invention is that two rollers (141) are provided at the rear end of the fourth frame (14) and the respective rollers (141) are installed. The location corresponds to the rear ends of the two elongate rods (34) and between the two elongate rods (34) and below the connecting rod (32). An impact rod (102) is provided at a location corresponding to (32).

According to the above, if the user uses the inclined form of the rear mat, the connecting rod (32) and the headstock (33) in the fourth frame (14) are separated. At this time, the connecting rod (32) is supported by the impact rod (102), and the two rollers (141) of the fourth frame (14) are slidable on the elongated rod (34). Also, when the third frame (13) is raised by the operation of the connecting rod (26), the location of the shaft between the third frame (13) and the fourth frame (14) protrudes upward. Therefore, the foldable electric bed of the present invention can meet the needs of the user, and furthermore, makes the rear mat a projection shape or makes the fourth frame (14) horizontal to the user. Etc. can be easily provided.

[0017]

[Effect of the invention]

 The present invention solves the above-mentioned problems, and by improving the support structure, the fourth frame in the subsequent frame member can be raised or lowered while keeping the horizontal state, thereby allowing the user to do so. Since the feet can be supported horizontally while sitting or lying down, it is easy to respond to the needs of the user.

[Brief description of the drawings]

FIG. 1 is a side view of the present invention.

FIG. 2 is a perspective view of the present invention.

FIG. 3 is a side view showing an operation state of the present invention.

FIG. 4 is a side view showing an embodiment of the present invention.

FIG. 5 is a side view showing another operation state of the present invention.

[Explanation of symbols]

 10 front frame member 101 rear frame member 102 impact rod 11 first frame 12 second frame 13 third frame 14 fourth frame 141 roller 20 driving motor 21 moving rod 22 convex plate 23 ... Interlocking rod 24 ... Cylindrical part 25 ... Drive rod 26 ... Connecting rod 30 ... Support frame 31 ... Fixed rod 32 ... Connecting rod 33 ... Shaft 34 ... Long rod 35 ... Reinforcing rod

Claims (4)

[Utility model registration claims] A third frame and a fourth frame of a rear frame member of a foldable electric bed are axially connected to each other, and a headstock is provided at the lower rear end of the fourth frame. A connecting rod is provided at the other end of the connecting rod, and a fixing rod is provided at the other end of the connecting rod. The fixing rod is installed in a rear frame member below the fourth frame. Support structure for rear frame member in foldable electric bed. 2. The rear frame member according to claim 1, wherein both ends of the fixed rod are sandwiched between two elongated rods inside the rear frame member. Support structure. 3. The post-stage frame member in the foldable electric bed according to claim 1, wherein a reinforcing rod is provided between the outer sides of the two elongated rods and the outer frame of the bed frame. Support structure. 4. The end of the fourth frame is provided with rollers corresponding to the two elongate rods, and at a point between the two elongate rods and below the connecting rods. The support structure for a rear frame member in the foldable electric bed according to claim 1, wherein a stop rod is provided.