Medical bed board locking device

Abstract

The invention discloses a medical bed board locking device which is characterized in that a bed frame is provided with a locking rod, the bottom of a bed board is provided with a press-fitting part pressed on the bed frame and a locking part locked with the vertical face of the bed frame in an attached mode, the locking part is rotationally provided with a locking rotary disc matched with the locking rod, the locking rotary disc is provided with an opening groove, one side of the opening groove is a locking station, and the other side of the opening groove is a locking station; a control knob for controlling the locking turntable to rotate to the locking station or the unlocking station is arranged on the outer side of the bed board, a locking structure is arranged on the locking turntable at the locking station, a fixing plate for shielding the locking turntable is arranged on the inner side of the bed board, a notch for clamping the locking rod is formed in the fixing plate, and the notch corresponds to the opening groove. The fixing plate is provided with a limiting structure for limiting the locking rotary disc rotating to the locking station or the unlocking station. The locking rotary disc is internally provided with a keeping structure for keeping the locking rotary disc at the locking station or the unlocking station. The device can lock the bed board through the control knob, and is convenient to use and quick to operate.

Description

Technical Field

[0001] The present invention relates to the technical field of medical beds, and in particular to a medical bed board locking device. Background Art

[0002] A medical care bed is a medical device that facilitates the treatment and care of patients. The headboard and footboard are installed at the ends of the bed frame to protect the patient's head and feet. The current headboard or footboard is detachable through the mounting structure, which is convenient for replacement, maintenance or patient movement.

[0003] Patent No. 202223269350.7 discloses an installation structure for a headboard or a footboard. The installation structure is achieved by inserting a sleeve on the headboard onto a mounting rod, and the sleeve is clamped in a slot, and then the hook is rotated to hook into the locking hole of the locking plate. Therefore, manual operation is required during installation and disassembly. At the same time, the hooks are located on both sides of the medical bed, and disassembly is cumbersome. At the same time, a mattress must be placed on the medical bed, which will affect the operating space during installation and disassembly and increase the complexity of the operation. Summary of the invention

[0004] The technical problem to be solved by the present invention is: a medical bed board locking device, which can lock the bed board by controlling a knob, is easy to use, and is quick to operate.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: a medical bed board locking device, comprising a bed board, at least two insertion rods are provided at the end of the bed frame of the medical bed, a sleeve corresponding to the position of the insertion rod is provided on the bed board, the insertion rod is inserted into the sleeve, a protruding locking rod is provided on the bed frame, a pressing part pressed on the bed frame and a locking part fitted and locked with the vertical surface of the bed frame are provided at the bottom of the bed board, a locking turntable cooperating with the locking rod is rotatably installed on the locking part, an open groove is provided on the locking turntable, and one side of the open groove is a locking station The other side of the opening groove is an unlocking position. A control knob for controlling the locking turntable to rotate to the locking position or the unlocking position is provided on the outer side of the bed board. A locking structure cooperating with a locking rod is provided on the locking turntable at the locking position. A fixed plate for blocking the locking turntable is provided on the inner side of the bed board. A notch for the locking rod to be inserted into is provided on the fixed plate, and the notch corresponds to the opening groove. A limiting structure for limiting the rotation of the locking turntable to the locking position or the unlocking position is provided on the fixed plate. A retaining structure for keeping the locking turntable in the locking position or the unlocking position is provided inside the locking turntable.

[0006] As a preferred solution, the locking structure includes a locking hook arranged on the locking turntable at the locking position, the locking hook cooperates with the locking rod, and the locking turntable is provided with an inner side edge at the unlocking position that cooperates with the locking rod to guide unlocking.

[0007] As a preferred solution, the limiting structure includes an arc-shaped bar hole opened on the fixed plate, and the locking turntable is provided with a rotating column which is constrained in the arc-shaped bar hole when rotating. When the rotating column is located at both ends of the arc-shaped bar hole, it corresponds to the locking position and the unlocking position respectively.

[0008] As a preferred solution, the retaining structure includes a torsion spring, which is located between the fixed plate and the locking turntable and is clamped in the locking turntable. The fixed end of the torsion spring is fixedly mounted on the fixed plate, and the movable end of the torsion spring is fixedly mounted on the locking turntable. When the torsion spring is located in the locking position, the movable end is located on one side of a line connecting the fixed end and the rotation center of the locking turntable. When the torsion spring is located in the unlocking position, the movable end is located on the other side of a line connecting the fixed end and the rotation center of the locking turntable.

[0009] As a preferred solution, a locking guide block is also provided on the outer side of the locking hook, and a locking guide inclined surface is provided on the locking guide block for guiding the locking rod to be inserted into the locking hook when inserted. When the locking guide inclined surface is located in the locking position, it is located in the middle of the notch. When the locking inclined surface is guiding, the movable end of the torsion spring is always located on the locking position side of the line connecting the fixed end and the rotation center of the locking turntable.

[0010] As a preferred solution, an unlocking guide block is provided on the locking turntable at the unlocking position, and the unlocking guide block is provided with an unlocking guide inclined surface for guiding the locking rod to be inserted into the opening groove when inserted, and an inner inclined surface corresponding to the unlocking guide inclined surface is provided on the inner side edge, and the inner inclined surface guides the locking rod to slide out and unlock, and the unlocking guide inclined surface is located in the middle of the notch when located at the unlocking position.

[0011] As a preferred solution, when the unlocking guide slope is inserted into the guide, the movable end of the torsion spring moves from the unlocking position side of the line connecting the fixed end and the rotation center of the locking turntable to the locking position side.

[0012] As a preferred solution, when the inner inclined surface unlocks the locking rod, the movable end of the torsion spring moves from the unlocking position side of the line connecting the fixed end and the rotation center of the locking turntable to the locking position side.

[0013] After adopting the above technical scheme, the effect of the present invention is as follows: since the bed board locking device of the medical bed includes a bed board, at least two insertion rods are provided at the end of the bed frame of the medical bed, the bed board is provided with a sleeve corresponding to the position of the insertion rod, the insertion rod is inserted into the sleeve, and a protruding locking rod is provided on the bed frame, and a pressing part pressed on the bed frame and a locking part that is locked with the vertical surface of the bed frame are provided at the bottom of the bed board, a locking turntable that cooperates with the locking rod is rotatably installed on the locking part, an open groove is provided on the locking turntable, one side of the open groove is a locking position, and the other side of the open groove is an unlocking position, a control knob for controlling the locking turntable to rotate to the locking position or the unlocking position is provided on the outer side of the bed board, and a locking turntable is provided at the locking position with a locking knob that cooperates with the locking rod A locking structure coordinated with a fixed rod, a fixed plate for covering the locking turntable is provided on the inner side of the bed board, a notch for the locking rod to be inserted into the fixed plate, and the notch corresponds to the opening slot, and a limiting structure for limiting the rotation of the locking turntable to a locking position or an unlocking position is provided on the fixed plate, and a retaining structure for keeping the locking turntable in the locking position or the unlocking position is provided in the locking turntable; first, align the sleeve on the bed board with the insertion rod and insert it, and at the same time manually twist the control knob to move the locking turntable to the unlocking position, and the locking rod is inserted into the opening slot, and then the control knob is twisted again to move the locking turntable to the locking position to complete the locking, and when unlocking, it is directly twisted to the unlocking position, and then the bed board is pulled up to complete the disassembly; the device can lock the bed board by controlling the knob, and is easy to use and quick to operate.

[0014] Furthermore, since the locking structure includes a locking hook arranged on the locking turntable at the locking position, the locking hook cooperates with the locking rod, and the locking turntable is provided with an inner side edge at the unlocking position to cooperate with the locking rod to guide the unlocking; in this way, the locking hook can hook the locking rod, thereby limiting the lifting and lowering movement of the bed board, and then through the cooperation of the insertion rod and the sleeve, which is simple and reliable, the inner side edge releases the constraint of the locking hook, so that the bed board can be smoothly pulled out.

[0015] Since the limiting structure includes an arc-shaped bar hole opened on the fixed plate, the locking turntable is provided with a rotating column which is constrained in the arc-shaped bar hole when rotating, and the rotating column corresponds to the locking position and the unlocking position respectively when located at the two ends of the arc-shaped bar hole; the rotating column contacts the two ends of the arc-shaped bar hole to ensure accurate positioning at the locking position and the unlocking position, thereby ensuring accurate rotation of the locking turntable.

[0016] Furthermore, since the retaining structure includes a torsion spring, the torsion spring is located between the fixed plate and the locking turntable and is clamped in the locking turntable. The fixed end of the torsion spring is fixedly mounted on the fixed plate, and the movable end of the torsion spring is fixedly mounted on the locking turntable. When the torsion spring is located in the locking position, the movable end is located on one side of the line connecting the fixed end and the rotation center of the locking turntable, and when the torsion spring is located in the unlocking position, the movable end is located on the other side of the line connecting the fixed end and the rotation center of the locking turntable. The torsion spring can withstand the rotation of the locking turntable, ensuring that when the torsion spring is rotated to the unlocking position or the locking position, the torsion spring cooperates with the arc-shaped bar hole to always maintain the corresponding position, which is convenient for manual assembly and disassembly.

[0017] Since a locking guide block is also provided on the outer side of the locking hook, a locking guide block is provided with a locking guide inclined surface for guiding the locking rod to be inserted into the locking hook during insertion; the locking guide inclined surface is located in the middle of the notch when located in the locking position, and the movable end of the torsion spring is always located on the locking position side of the line connecting the fixed end and the rotation center of the locking turntable during guidance by the locking inclined surface; in this way, when the bed board is directly aligned with the insertion rod and inserted, the locking rod is guided by the locking guide inclined surface of the locking guide block, and at the same time, the locking rod is restricted in the notch, forcing the locking turntable to rotate, thereby squeezing the locking rod into the open groove in the locking hook, and at the same time, the torsion spring resets the locking turntable to the locking position, automatically completing the locking, thereby improving the use effect.

[0018] In addition, since the locking turntable is provided with an unlocking guide block at the unlocking position, the unlocking guide block is provided with an unlocking guide inclined surface for guiding the locking rod to be inserted into the opening groove when inserted, and the inner side edge is provided with an inner inclined surface corresponding to the unlocking guide inclined surface, and the inner inclined surface guides the locking rod to slide out and unlock, and the unlocking guide inclined surface is in the middle of the notch when it is in the unlocking position; therefore, when it is in the unlocking position, the locked locking rod can be guided and extruded through the inner inclined surface to complete the unlocking, or when the bed board is inserted into the unlocking position, the unlocking guide inclined surface can also be squeezed and guided by the locking rod to make the locking turntable rotate, and the locking rod can also be accurately inserted into the opening groove, thereby improving the use effect.

[0019] When the unlocking guide bevel is inserted into the guide, the movable end of the torsion spring moves from the unlocking position side of the line connecting the fixed end and the rotation center of the locking turntable to the locking position side; in this way, when the bed board is inserted into the insertion rod at the unlocking position, the locking rod squeezes the unlocking guide bevel into the open groove, and the locking turntable automatically rotates to the locking position through the torsion spring and is automatically locked, thereby improving the use effect.

[0020] When the inner inclined surface guides the locking rod to unlock, the movable end of the torsion spring moves from the unlocking position side of the line connecting the fixed end and the rotation center of the locking turntable to the locking position side; when the bed board is pulled out, the locking rod presses the inner inclined surface downward, thereby rotating the locking turntable, and the locking turntable automatically rotates to the locking position through the torsion spring and is automatically locked, making the next installation convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 is a stereogram of an embodiment of the present invention;

[0023] Figure 2 It is a structural schematic diagram of a bed board according to an embodiment of the present invention;

[0024] Figure 3 is a schematic diagram of the structure of a control knob according to an embodiment of the present invention;

[0025] Figure 4 It is a structural schematic diagram of a locking turntable located at a locking position according to an embodiment of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the locking turntable in the unlocking position according to an embodiment of the present invention;

[0027] Figure 6 yes Figure 2 A partial schematic diagram;

[0028] In the attached drawings: 1. bed board; 2. insertion rod; 3. sleeve; 4. locking rod; 5. press-fitting part; 6. locking part; 7. locking turntable; 8. opening slot; 9. control knob; 10. fixing plate; 11. notch; 12. locking hook; 13. inner side; 14. arc-shaped strip hole; 15. rotating column; 16. torsion spring; 17. clamping slot; 18. fixed end; 19. movable end; 20. locking guide block; 21. locking guide inclined plane; 22. unlocking guide block; 23. unlocking guide inclined plane; 24. inner inclined plane; 25. bed frame. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below through specific examples.

[0030] like Figures 1 to 6As shown, a locking device for a bed board 1 of a medical bed comprises a bed board 1, at least two insertion rods 2 are provided at the end of a bed frame 25 of the medical bed, a sleeve 3 corresponding to the position of the insertion rod 2 is provided on the bed board 1, the insertion rod 2 is inserted into the sleeve 3, a protruding locking rod 4 is provided on the bed frame 25, a pressing portion 5 pressed on the bed frame 25 and a locking portion 6 fitted and locked with the vertical surface of the bed frame 25 are provided at the bottom of the bed board 1, a locking turntable 7 matched with the locking rod 4 is rotatably installed on the locking portion 6, an opening groove 8 is provided on the locking turntable 7, one side of the opening groove 8 is a locking station, and the opening groove 8 is provided at the bottom of the bed board 1. The other side is the unlocking position. A control knob 9 is provided on the outer side of the bed board 1 for controlling the locking turntable 7 to rotate to the locking position or the unlocking position. A locking structure cooperating with the locking rod 4 is provided on the locking turntable 7 at the locking position. A fixed plate 10 is provided on the inner side of the bed board 1 to block the locking turntable 7. A notch 11 is provided on the fixed plate 10 for the locking rod 4 to be inserted into. The notch 11 corresponds to the opening groove 8. A limiting structure is provided on the fixed plate 10 for limiting the rotation of the locking turntable 7 to the locking position or the unlocking position. A retaining structure is provided inside the locking turntable 7 to keep the locking turntable 7 in the locking position or the unlocking position.

[0031] In this embodiment, the locking structure includes a locking hook 12 arranged on the locking turntable 7 at the locking position, the locking hook 12 cooperates with the locking rod 4, and the locking turntable 7 is provided with an inner side edge 13 at the unlocking position that cooperates with the locking rod 4 to guide the unlocking; the locking hook 12 can hook the locking rod 4, limit the lifting and lowering of the locking rod 4, thereby limiting the lifting and lowering movement of the bed board 1, and then through the cooperation of the plug-in rod 2 and the sleeve 3, it is simple and reliable, and the inner side edge 13 can release the constraint of the locking hook 12, so that the bed board 1 can be smoothly pulled out.

[0032] like Figure 6 As shown, the limiting structure includes an arc-shaped bar hole 14 opened on the fixed plate 10, and the locking turntable 7 is provided with a rotating column 15 which is constrained in the arc-shaped bar hole 14 when rotating, and the rotating column 15 corresponds to the locking position and the unlocking position respectively when it is located at both ends of the arc-shaped bar hole 14; when the locking turntable 7 rotates, it will drive the rotating column 15 to rotate, and the rotating column 15 contacts the two ends of the arc-shaped bar hole 14 to ensure that it can be accurately positioned at the locking position and the unlocking position, thereby ensuring that the locking turntable 7 rotates accurately and preventing excessive rotation.

[0033] like Figure 4 and Figure 5As shown, the holding structure includes a torsion spring 16, which is located between the fixed plate 10 and the locking turntable 7 and is clamped in the locking turntable 7. A fixed end 18 of the torsion spring 16 is fixedly installed on the fixed plate 10, and a movable end 19 of the torsion spring 16 is fixedly installed on the locking turntable 7. When located in the locking position, the movable end 19 is located on one side of the line connecting the fixed end 18 and the rotation center of the locking turntable 7, and when located in the unlocking position, the movable end 19 is located on the other side of the line connecting the fixed end 18 and the rotation center of the locking turntable 7; the locking turntable 7 is provided with a clamping groove 17 for clamping the torsion spring 16, and the rotation of the movable end 19 of the torsion spring 16 is controlled by rotating the locking turntable 7, ensuring that when rotated to the unlocking position or the locking position, the torsion spring 16 releases the elastic force and cooperates with the arc-shaped bar hole 14 to always maintain the corresponding position, which is convenient for manual assembly and disassembly.

[0034] like Figure 4 As shown, a locking guide block 20 is also provided on the outer side of the locking hook 12, and a locking guide bevel 21 is provided on the locking guide block 20 for guiding the locking rod 4 to be inserted into the locking hook 12 during insertion. The locking guide bevel 21 is located in the middle of the notch 11 when located in the locking position. When the locking bevel is guiding, the movable end 19 of the torsion spring 16 is always located on the locking position side of the line connecting the fixed end 18 and the rotation center of the locking turntable 7. When the bed board 1 is directly aligned with the insertion rod 2 and inserted, the locking rod 4 is guided by the locking guide bevel 21 of the locking guide block 20, and the locking rod 4 is restricted in the notch 11 at the same time, forcing the locking turntable 7 to rotate, thereby squeezing the locking rod 4 into the open groove 8 in the locking hook 12, and at the same time, the torsion spring 16 resets the locking turntable 7 to the locking position, automatically completing the locking, and the locking is quick, thereby improving the use effect.

[0035] like Figure 5 As shown, an unlocking guide block 22 is provided on the locking turntable 7 at the unlocking position, and an unlocking guide bevel 23 is provided on the unlocking guide block 22 to guide the locking rod 4 to be inserted into the opening groove 8 when inserted, and an inner bevel 24 corresponding to the unlocking guide bevel 23 is provided on the inner side edge 13, and the inner bevel 24 guides the locking rod 4 to slide out and unlock, and the unlocking guide bevel 23 is located in the middle of the notch 11 when it is in the unlocking position; when it is in the unlocking position, the locked locking rod 4 can be guided and extruded through the inner bevel 24 to complete the unlocking, or when the bed board 1 is inserted in the unlocking position, the unlocking guide bevel 23 can also be squeezed and guided by the locking rod 4, so that the locking turntable 7 rotates, and the locking rod 4 can also be accurately inserted into the opening groove 8, thereby improving the use effect.

[0036] In this embodiment, when the unlocking guide bevel 23 is inserted into the guide, the movable end 19 of the torsion spring 16 moves from the unlocking position side of the line connecting the fixed end 18 and the rotation center of the locking turntable 7 to the locking position side; in this way, when the bed board 1 is inserted into the insertion rod 2 at the unlocking position, the locking rod 4 squeezes the unlocking guide bevel 23 into the open groove 8, and the locking turntable 7 is automatically rotated to the locking position by the torsion spring 16 and automatically locked, avoiding manual twisting of the control knob 9 and improving the use effect.

[0037] Furthermore, when the inner inclined surface 24 guides the locking rod 4 to unlock, the movable end 19 of the torsion spring 16 moves from the unlocking position side of the line connecting the fixed end 18 and the rotation center of the locking turntable 7 to the locking position side; when the bed board 1 is pulled out, the locking rod 4 presses the inner inclined surface 24 downward, thereby rotating the locking turntable 7, and the locking turntable 7 automatically rotates to the locking position through the torsion spring 16 and is automatically locked, making it convenient and quick to install next time.

[0038] The working principle of this embodiment is as follows: first, manually rotate the control knob 9 to the locking position or the unlocking position, then align the insertion rod 2, insert the guide through the sleeve 3, and then when it is in the locking position, the locking rod 4 contacts the locking guide block 20, squeezes the locking guide bevel 21, and causes the locking turntable 7 to rotate, and the locking rod 4 is inserted into the opening groove 8. Then the torsion spring 16 drives the locking turntable 7 back to the locking position, and the locking hook 12 hooks the locking rod 4 to complete the locking. When it is in the unlocking position, the locking rod 4 contacts the unlocking guide block 22, squeezes the unlocking guide bevel 23, and after entering the opening groove 8, the locking turntable 7 is automatically rotated to the locking position by the torsion spring 16 to complete the locking; when the bed board 1 needs to be pulled out, it is twisted to the unlocking position, and the locking rod 4 squeezes the inner bevel 24 for guide extrusion to complete the unlocking.

[0039] The above-described embodiments are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Various modifications and alterations to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the scope of protection defined by the claims of the present invention.

Claims

1. A medical bed board locking device, comprising a bed board, at least two insertion rods are provided at the end of the bed frame of the medical bed, the bed board is provided with sleeves corresponding to the positions of the insertion rods, the insertion rods are inserted into the sleeves, and the characteristics are: The bed frame is provided with an extended locking rod, the bottom of the bed board is provided with a pressing part that presses on the bed frame and a locking part that fits and locks with the vertical surface of the bed frame, the locking part is rotatably installed with a locking dial that cooperates with the locking rod, the locking dial is provided with an open groove, one side of the open groove is a locking position, and the other side of the open groove is an unlocking position, the outer side of the bed board is provided with a control knob for controlling the locking dial to rotate to the locking position or the unlocking position, the locking dial is provided with a locking structure that cooperates with the locking rod at the locking position, the inner side of the bed board is provided with a fixing plate that blocks the locking dial, the fixing plate is provided with a notch that the locking rod is stuck in, the notch corresponds to the opening groove, the fixing plate is provided with a limiting structure for limiting the rotation of the locking dial to the locking position or the unlocking position, and the locking dial is provided with a retaining structure for keeping the locking dial in the locking position or the unlocking position.

2. A medical bed board locking device as claimed in claim 1, characterized in that: The locking structure comprises a locking hook arranged on the locking turntable at the locking position, the locking hook cooperates with the locking rod, and an inner side edge cooperating with the locking rod to guide unlocking is arranged on the locking turntable at the unlocking position.

3. A medical bed board locking device as claimed in claim 2, characterized in that: The limiting structure includes an arc-shaped bar hole opened on the fixed plate, and the locking turntable is provided with a rotating column constrained in the arc-shaped bar hole when rotating. When the rotating column is located at both ends of the arc-shaped bar hole, it corresponds to the locking position and the unlocking position respectively.

4. A medical bed board locking device as claimed in claim 3, characterized in that: The retaining structure includes a torsion spring, which is located between the fixed plate and the locking turntable and is clamped in the locking turntable. The fixed end of the torsion spring is fixedly mounted on the fixed plate, and the movable end of the torsion spring is fixedly mounted on the locking turntable. When the torsion spring is located in the locking position, the movable end is located on one side of the line connecting the fixed end and the rotation center of the locking turntable. When the torsion spring is located in the unlocking position, the movable end is located on the other side of the line connecting the fixed end and the rotation center of the locking turntable.

5. A medical bed board locking device as claimed in claim 4, characterized in that: A locking guide block is also provided on the outer side of the locking hook, and a locking guide inclined surface is provided on the locking guide block for guiding the locking rod to be inserted into the locking hook when inserted. The locking guide inclined surface is located in the middle of the notch when located in the locking position. When the locking inclined surface is guiding, the movable end of the torsion spring is always located on the locking position side of the line connecting the fixed end and the rotation center of the locking turntable.

6. A medical bed board locking device as claimed in claim 5, characterized in that: An unlocking guide block is provided on the locking turntable at the unlocking position, and the unlocking guide block is provided with an unlocking guide inclined surface for guiding the locking rod to be inserted into the opening groove when inserted, and an inner inclined surface corresponding to the unlocking guide inclined surface is provided on the inner side edge, and the inner inclined surface guides the locking rod to slide out and unlock, and the unlocking guide inclined surface is located in the middle of the notch when located at the unlocking position.

7. A medical bed board locking device as claimed in claim 6, characterized in that: When the unlocking guide slope is inserted into the guide, the movable end of the torsion spring moves from the unlocking station side of the line connecting the fixed end and the rotation center of the locking turntable to the locking station side.

8. A medical bed board locking device as claimed in claim 7, characterized in that: When the inner inclined surface guides the locking rod to unlock, the movable end of the torsion spring moves from the unlocking position side of the line connecting the fixed end and the rotation center of the locking turntable to the locking position side.

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