JP3421638B2 - Bed support equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed which can be freely attached to and detached from a bed, can be adjusted in position, and can securely support a lying person on the bed without difficulty. The present invention relates to a bed support device capable of tilting a bed. 2. Description of the Related Art In various facilities such as hospitals, treatment facilities or rehabilitation facilities, for example, as a treatment such as treatment or rehabilitation, the bed is left and right while a lying person on the bed is in a recumbent position. In this case, in order to prevent the lying person from rolling or skidding on the inclined bed,
The nurse or caregiver fixed in advance the support device for supporting the body of the lying person to the bed frame,
The support tool has been operated and used so that the support tool can support the body of the lying person in a state suitable for the lying person as much as possible. [0003] However, when using a support device for supporting the body of a lying person so that the lying person does not roll or skid on the bed that is repeatedly inclined. However, even a nurse or caregiver who is not accustomed to handling the support device must operate the support device so that the body of the lying person can be supported in a state suitable for the lying person as much as possible. In the case of assistive devices, the operation was not always easy for nurses or caregivers who were not accustomed to handling the assistive devices. Wasn't appropriate enough. Therefore, even a nurse or caregiver who is not always used to handling the support device can easily operate and handle the device, easily and securely hold the lying person on the bed, and tilt the bed safely. It is hoped that a suitable support means will be available. [0004] Therefore, the present invention is intended to facilitate attachment and detachment to and from a bed, to enable easy and easy position adjustment after being attached to a bed, and to provide a caregiver or caregiver who is not always accustomed to handling. Even if there is, it is possible to quickly and reliably perform attachment and detachment to and from the bed, and to allow a nurse or caregiver who is not accustomed to handling to adjust the position after attaching to the bed quickly and reliably, An object of the present invention is to provide a bed support device that can securely and comfortably hold a lying person on a bed and tilt the bed safely. [0005] In order to solve the above-mentioned problems, a bed support device of the present invention comprises a column fixing device detachably fixed to a bed frame, and a column fixing device. a post which projects to a position above the level of the lower end supported by the destination end matte surface of the bed, the tip base end portion is supported at the distal end of the struts of the matte surface of the bed A telescopic arm support projecting horizontally to an upper position, a base end side supported by the telescopic arm support, a distal end projecting from the telescopic arm support, and a rack extending in the longitudinal direction.
The telescopic arm includes a telescopic arm that is extended and expands and contracts with respect to the telescopic arm support, and a supporting body abutment body supported at the distal end of the telescopic arm. [0006] The bed support apparatus of the present invention further comprises a support for the telescopic arm, the ladder supporting the telescopic arm.
Engaging with the rack in opposition to the rack.
The teeth are formed and usually urged by an elastic spring
An extension for engaging and engaging the engaging rack teeth with the rack.
It is placed at the arm retracting position and resists the spring force of the elastic spring.
When moved, the engagement rack teeth mesh with the rack.
A telescopic arm restraint placed at a telescopic arm open position to be disengaged from a mating engagement state ; and a telescopic arm restraint supported by the telescopic arm support and moving the telescopic arm restraint between the telescopic arm restraining position and the telescopic arm open position. And an operation handle for performing the operation as described above. [0007] Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall side view of an essential part of a bed support device according to an embodiment of the present invention, and FIG. 2 is a front view of the bed support device according to the embodiment of FIG. FIG. 3 is an enlarged longitudinal sectional view of a main part of the bed support device according to the embodiment of FIG. 1, and FIG. 4 is a state different from FIG. 3 of the bed support device of the embodiment of FIG. FIG. 5 is an enlarged longitudinal sectional view of a main part, FIG. 5 is a plan view of a main part of the bed support device viewed along line BB in FIG. 4, and FIG.
FIG. 7 is a front view of a main part of the bed support device as viewed along the line, and FIG. 7 is an end view of a main part of the bed support device as viewed along the line DD in FIG. First, in FIGS. 1 and 2, a bed supporting device is a column fixing member which is detachably fixed to a frame by firmly sandwiching a side frame material constituting a frame of the bed by operating a handle. It has a device 1. The lower end of the column 2 is supported by the column fixing device 1. The tip of the column 2 is higher than the level of the mat surface of the bed when the column fixing device 1 is fixed to the bed frame so that the body of the lying person on the bed can be supported from the side. It protrudes upward. As shown in FIGS. 1 and 2, a base end of a telescopic arm support 3 is supported at a distal end, that is, an upper end of the column 2. A base end cover 4 that covers the opening at the upper end of the support column 2 and the opening at the base end of the telescopic arm support 3 is attached to the base end of the telescopic arm support 3. The distal end of the telescopic arm support 3 projects horizontally toward a position above the mat surface of the bed. In FIG. 1 and FIG.
Supports the base end side of the telescopic arm 5 inside the telescopic arm support 3 so as to be able to expand and contract. And the tip side of the telescopic arm 5
It protrudes from the telescopic arm support 3 and performs telescopic operation on the telescopic arm support 3. At the distal end of the telescopic arm support 3, an open end lid 8 that closes the opening between the telescopic arm support 3 and the telescopic arm 5 so as not to hinder the telescopic movement of the telescopic arm 5 is attached. I have. A flexible and cushioning assisting body contact body 11 is attached to the distal end of the telescopic arm 5 via a contact body support 10 attached to the distal end of the telescopic arm 5. . As shown in FIGS. 1 and 2, the telescopic arm support 3 includes a telescopic arm open position at which the telescopic arm 5 is allowed to expand and contract with respect to the telescopic arm support 3, and a telescopic arm support 3 of the telescopic arm 5. And a telescopic arm restraining body 15 that can move between telescopic arm restraining positions that restrict telescopic movement with respect to. A base end cover 4 for covering the base end of the telescopic arm support 3.
An operation handle 21 for operating the telescopic arm restricting body 15 to move between the telescopic arm open position and the telescopic arm restraining position is provided at the portion. In FIGS. 3 to 5 and 7, the telescopic arm support 3 has a cylindrical inner wall surface. Guide projections 6a and 6b extend in the direction. On the other hand, sliding contact grooves 7a and 7b are formed in the left and right side walls of the telescopic arm 5 in the longitudinal direction of the telescopic arm 5, respectively. The sliding arms 7a and 7b of the telescopic arm 5 are slidably engaged with the corresponding guide ridges 6a and 6b of the telescopic arm support 3, respectively. It can be stably extended and contracted with respect to the support 3. A stopper screw 9 is screwed into a portion near the base end of the telescopic arm 5, and the screw head of the stopper screw 9 has an annular inner wall of an open end lid 8 fixed to the distal end of the telescopic arm support 3. By contacting the surface, further extension movement of the telescopic arm 5 with respect to the telescopic arm support 3 is suppressed. As shown in FIGS. 3 to 5 and FIG.
A rack 12 is provided on the telescopic arm 5 in the longitudinal direction of the telescopic arm 5 using a fixing means such as a screw 13. On the other hand, the expansion / contraction arm restraining body 15 is formed with engagement rack teeth 15a which mesh with and engage with the rack 12 opposite to the rack 12 on the expansion / contraction arm 5 side. Engaging rack teeth 15
The telescopic arm restraint 15 having a is slidably fitted between a pair of left and right side walls extending in the longitudinal direction of the telescopic arm 5 and fixed to the distal end of the telescopic arm support 3. The sliding movement in the radial direction is freely fitted in the radial groove 14 formed in the open end cover 8. 3 to 5, the telescopic arm restraint 1
The rear surface opposite to the surface on which the engagement rack teeth 15a are formed has a slope having a shape gradually separated from the inner bottom surface of the telescopic arm support 3 from the distal end side to the proximal end side of the telescopic arm support 3. Fifteen
b. A guide screw pin 16 is inserted into a guide screw pin through hole formed in the lower portion of the open end cover 8 and the bottom of the telescopic arm support 3 so as to be movable in the axial direction of the guide screw pin 16. A screw portion on the distal end side of 16 is screwed into a female screw hole formed in the telescopic arm restraint 15. An elastic spring 17 composed of a compression spring is interposed between the flange of the head of the guide screw pin 16 and the lower surface of the telescopic arm support 3. Therefore, the telescopic arm restraint 15 is normally urged downward in the radial direction of the telescopic arm support 3 by the spring force of the elastic spring 17 so that the engagement rack teeth 15 a are disengaged from the meshing engagement with the rack 12. Have been. As shown in FIGS. 3 to 5, a wedge portion of a wedge 18 is provided between the slope 15b of the telescopic arm restraint 15 and the inner surface of the bottom wall of the telescopic arm support 3. Are slidably fitted in the axial direction. The wedge portion of the wedge body 18 has a shape in which the thickness increases sequentially from the distal end side to the base end side of the telescopic arm support 3. The inclination angle with respect to the inner surface of the bottom wall is basically equal to the inclination angle of the slope 15 b of the telescopic arm restraint 15 with respect to the inner surface of the bottom wall of the telescopic arm support 3. 3 to 6, the wedge body 18 has
A wedge body extension is formed from the wedge portion of the wedge body 18 toward the base end side of the telescopic arm support 3, and an operation rod locking portion 18a is formed at an intermediate portion of the wedge body extension. . The distal end portion of the operating rod 19 is fitted into the operating rod fitting hole formed in the operating rod locking portion 18a of the wedge body 18 by being prevented from coming off by a retaining nut 20. The proximal end side of the operating rod 19 penetrates through the proximal end cover 4 and protrudes outward from the telescopic arm support 3.
An operation handle 21 is attached to a base end of the protruding operation rod 19. A resilient spring 22 constituted by a compression spring is interposed between the operation rod locking portion 18 a and the base end cover 4 so as to surround the operation rod 19. As shown in FIGS. 3 to 6, a projection 23 having a cylindrical side peripheral wall is formed on the outer surface side of the base end cover 4. The projecting portion 23 is formed with a fitting groove 24 in the shape of a diametrical groove into which the operation handle 21 can be fitted. A vertical locking groove 25 for locking the operation handle 21 is formed in a diameter direction perpendicular to the direction of the groove 24. The bed support device shown in FIGS. 1 to 7 is constructed as described above,
After fixing the bed support device to the bed frame by
The operating handle 21 is pulled out from the inside of the fitting groove 24 against the elastic force of the elastic spring 22, is rotated until the operating handle 21 reaches a position perpendicular to the fitting groove 24, and is locked in the vertical locking groove 25. The wedge body 18 moves to the proximal end side of the telescopic arm support 3, and the telescopic arm restraint 15 is elastically downwardly elastically urged by the elastic force of the elastic spring 17 to expand and contract as shown in FIG. The rack is moved to the arm release position, and the engagement rack teeth 15a are disengaged from the engagement with the rack 12. At this time, the telescopic arm 5 is in a state in which it can freely expand and contract with respect to the telescopic arm support 3, so that the supporting body abutment body can be adjusted to the posture and position of the lying person on the bed. The support body contact body 11 can be positioned at an optimum position by moving the support body 11 back and forth. After the support body abutment 11 is advanced and retracted, and the support body abutment 11 is positioned at an optimum position,
When the operating handle 21 is removed from the vertical locking groove 25 and rotated so that the direction of the operating handle 21 coincides with the fitting groove 24, and then the hand is released from the operating handle 21, the wedge portion of the wedge body 18
The elastic force of 2 causes the elastic arm restraint 15 to bite between the slope 15 b of the telescopic arm restraint 15 and the inner surface of the bottom wall of the telescopic arm support 3, thereby being pressed against the telescopic arm 5. As a result, the telescopic arm restraint 15 is placed at the telescopic arm restraining position as shown in FIG. 3, and the engaging rack teeth 15a are engaged with and engaged with the rack 12, and the telescopic arm 5 is moved relative to the telescopic arm support 3. It is constrained to be unable to move in and out. The bed assisting device shown in FIGS. 1 to 7 is merely an example of a preferred embodiment of the present invention, and the present invention is applicable to various devices within the scope of the claims. It can be implemented according to the embodiment. According to the bed support apparatus of the present invention, the following effects can be obtained. (1) a post anchoring device which is detachably fixed to the frame of the bed, struts are destination end supported the lower end by the strut fixing device protrudes to a position above the level of the matte side of the bed A telescopic arm support having a proximal end supported at the distal end of the column and a distal end projecting horizontally to a position above the mat surface of the bed; and a proximal end supported by the telescopic arm support. A distal end protruding from the telescopic arm support , a rack extending in the longitudinal direction, and a telescopic arm that expands and contracts with respect to the telescopic arm support; and a support body supported at the distal end of the telescopic arm. A contact body and the rack on the telescopic arm side supported by the telescopic arm support
Opposite the engagement rack engagement engagement on the rack
The teeth are formed and are usually urged by an elastic spring.
Telescoping to engage and engage the engaging rack teeth with the rack
It is placed in the arm restraining position and moves against the spring force of the spring.
When moved, the engagement rack teeth mesh with the rack.
A telescopic arm restraint placed at a telescopic arm open position to remove from the engaged state , and moving the telescopic arm restraint supported by the telescopic arm support between the telescopic arm restraining position and the telescopic arm open position. And the operation handle for the operation as described above, it is easy to attach and detach to the bed, it is possible to easily and easily adjust the position after mounting on the bed,
Even nurses or caregivers who are not always used to handling can quickly and reliably attach to and detach from the bed, and can quickly and reliably adjust the position after being attached to the bed, and without difficulty Ki de be safely tilt bed holding a recumbent person on the bed, by the engagement and disengagement of the engagement rack teeth of the rack with telescopic arms constraint Shin Chijimiude lazytongs by flexible arm restraints Deterrence and release can be ensured.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall longitudinal sectional side view of a main part of a bed support device according to an embodiment of the present invention. FIG. 2 shows a bed support device A according to the embodiment of FIG.
It is the front view seen along the -A line. FIG. 3 is an enlarged vertical sectional view of a main part of the bed support device according to the embodiment of FIG. 1; FIG. 4 is an enlarged longitudinal sectional view of a main part of the bed support device according to the embodiment of FIG. 1 in a state different from that of FIG. 3; FIG. 5 is a plan view of a main part of the bed support device as viewed along the line BB in FIG. 4; 6 is an essential part front view of the bed support device as viewed along the line CC in FIG. 5; FIG. 7 is an end view of an essential part of the bed support device as viewed along the line DD in FIG. 3; DESCRIPTION OF SYMBOLS 1 Supporting column fixing device 2 Supporting column 3 Telescopic arm support 4 Base end cover 5 Telescopic arm 5a Tip 6a, 6b Guide ridge 7a, 7b Sliding contact groove 8 Opening end cover 9 Stopper screw 10 Contact body support 11 Supporting body contact body 12 Rack 13 Screw 14 Radial groove 15 Telescopic arm restraint 15a Engagement rack teeth 15b Slope 16 Guide screw pin 17 Spring spring 18 Wedge body 18a Operation rod locking part 19 Operating rod 20 Retaining nut 21 Operating handle 22 Resilient spring 23 Projecting portion 24 Fitting groove 25 Vertical locking groove

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A61G 7/05

Claims (1)

(1) A column fixing device detachably fixed to a bed frame, and a lower end portion of the column fixing device is supported by the column fixing device.
A post which projects to a position above the are destination end level of the mat surface of the bed, horizontal the proximal end at the distal end is supported tip of the struts to a position above the matte surface of the bed A telescopic arm support projecting in the direction, a base end side supported by the telescopic arm support, a distal end projecting from the telescopic arm support, and a rack extending in the longitudinal direction to extend and contract with the telescopic arm support. And a supporting body contact body supported at the distal end of the telescopic arm, and a front of the telescopic arm side supported by the telescopic arm support.
The rack engages with and engages with the rack.
Interlocking teeth are formed and normally urged by an elastic spring
The engaging rack teeth are engaged with the rack and engaged.
The elastic arm is positioned at the position where the elastic arm is restrained.
When moved in opposition, the engaging rack teeth are brought into contact with the rack.
A telescopic arm restraint placed in a telescopic arm release position to disengage from the meshing engagement state of the telescopic arm; and And an operation handle for operating so as to move between the beds.