CN107184355A - A kind of double angle regulators of medical bed - Google Patents

Abstract

The invention discloses a double-angle adjustment device for a medical bed, which comprises a first angle adjustment mechanism and a second angle adjustment mechanism, and the first angle adjustment mechanism and the second angle adjustment mechanism are installed on the caster frame and the bed of the medical bed respectively. Between the frames, and the first angle adjustment mechanism and the second angle adjustment mechanism respectively have a first angle display structure and a second angle display structure, through the first angle adjustment mechanism and the second angle adjustment mechanism, the medical bed can be adjusted towards the head of the bed Or the end of the bed is tilted, and the tilt angle is displayed intuitively. The double-angle adjustment device can accurately and intuitively adjust the inclination angle of the medical bed, so that it is convenient for doctors to perform medical examination and operation at an optimal angle.

Description

A double-angle adjustment device for a medical bed

technical field

The invention relates to a double-angle adjusting device, which is used on a medical bed to adjust the inclination angle of the medical bed.

Background technique

In the process of medical examination or operation, the medical bed used should meet the above requirements for different patients and different parts of the detection or operation. However, the existing medical bed has a single function, and the adjustment accuracy of the inclination angle of the medical bed is not high. , and cannot accurately display the current angle, therefore, the doctor cannot accurately adjust the required tilt angle, and can only adjust to an approximate angle through the doctor's visual effect, so the angle adjustment is not accurate enough, nor intuitive enough.

Contents of the invention

The technical problem to be solved by the present invention is to provide a dual-angle adjustment device for a medical bed, which can accurately and intuitively adjust the inclination angle of the medical bed, so that it is convenient for doctors to perform medical examinations and surgical operations at an optimal angle .

In order to solve the above technical problems, the technical solution of the present invention is: a double-angle adjustment device for a medical bed, including a first angle adjustment mechanism and a second angle adjustment mechanism, and the first angle adjustment mechanism and the second angle adjustment mechanism are respectively Installed between the caster frame and the bed frame of the medical bed, the first angle adjustment mechanism includes a pair of first fixed arms, a pair of first connecting arms, a pair of transmission arms, a pair of first fixed seats and a first power arm, the pair of first fixed arms are fixed on both sides of one end of the bed frame, one end of the first connecting arm is hinged to the first fixed arm through the first rotating shaft one by one, the first fixed arm and the first rotating shaft A first angle display structure is arranged between them; the other end of the first connecting arm is hinged to one end of the transmission arm in one-to-one correspondence, and the other end of the transmission arm is hinged to the first fixing seat in one-to-one correspondence, and the first fixing seat Fixed on one end of the caster frame, one end of the first power arm is fixed on the first rotating shaft, the other end of the first power arm is hinged to one end of the first driving rod, and the other end of the first driving rod is hinged on the bed frame. The transmission connection of the first driving device;

The second angle adjustment mechanism includes a pair of second fixed arms, a pair of second connecting arms, a pair of second fixed seats and a second power arm, and the pair of second fixed arms are fixed on the other two ends of the bed frame. One end of the second connecting arm is hinged to the second fixed arm through the second rotating shaft in one-to-one correspondence, and a second angle display structure is arranged between the second fixing arm and the second rotating shaft; the other end of the second connecting arm One end is hinged on the second fixing base one by one, the second fixing base is fixed on the other end of the caster frame, one end of the second power arm is fixed on the second rotating shaft, the other end of the second power arm is connected with the second driving rod One end is hinged, and the other end of the second driving rod is connected through a second driving device hinged on the bed frame.

As a preferred solution, the first angle display structure includes an angle scale arranged on the first fixed arm, and a first fixed cap is fixed on the end of the first rotating shaft, and the first fixed cap is provided with An indicator needle corresponding to the angular scale.

As a preferred solution, the first rotating shaft is a hollow rotating shaft, the first fixing cap includes a cap body and an insertion part, and the insertion part of the first fixing cap is inserted into the inner hole of the first rotating shaft and has an interference fit .

As a preferred solution, the second angle display structure is the same as the first angle display structure, the second angle display structure includes an angle scale arranged on the second fixed arm, and the end of the second rotating shaft is fixed with the first angle display structure. Two fixed caps, the second fixed cap is provided with an indicator needle corresponding to the angle scale.

As a preferred solution, the angle scale of the first angle display structure and the angle scale of the second angle display structure are respectively engraved on the first fixed arm and the second fixed arm.

As a preferred solution, the angle scale of the first angle display structure and the angle scale of the second angle display structure are respectively printed on labels, and the labels are correspondingly pasted on the first fixed arm and the second fixed arm.

As a preferred solution, the label is a luminous label, and correspondingly, the indicator needle is also a luminous indicator needle.

As a preferred solution, the first angle adjustment mechanism corresponds to the head of the medical bed, and the second angle adjustment mechanism corresponds to the foot of the medical bed.

As a preferred solution, the first driving device and the second driving device have the same structure, and both the first driving device and the second driving device are linear motors or both are worm gear screw driving devices. When the first driving device When both the first driving device and the second driving device are linear motors, the output shafts of the linear motors are respectively connected to the corresponding first driving rod and the second driving rod through a coupling; when the first driving device and the second driving device When both are worm gear screw drive devices, the worm gear screw drive device includes a casing, a worm wheel, a worm and a lead screw, the casing is handed over to the bed frame, the worm wheel is rotatably installed in the casing, and the inner hole of the worm wheel is set It is a threaded hole, and the threaded screw is threadedly matched with the threaded hole of the worm wheel. The worm is rotatably mounted on the casing and matched with the worm wheel. The lead screw is respectively connected to the corresponding first drive rod and the second drive rod connection, the worm connection operates the handwheel.

As a preferred solution, the first fixing seat is welded on the caster frame, and the first fixing seat is provided with a reinforcing hem.

After adopting the above-mentioned technical scheme, the effect of the present invention is that the double-angle adjustment mechanism can adjust the angle between the bed frame and the caster frame by using the first angle adjustment mechanism and the second angle adjustment mechanism, so that the two ends of the bed frame can be precisely adjusted. A first angle display structure is provided between the first fixed arm and the first rotating shaft; a second angle display structure is provided between the second fixed arm and the second rotating shaft, and the first angle is used to display The structure can display the rotation angle of the first rotating shaft, and the second angle display structure can also realize the rotating angle of the second rotating shaft relative to the second fixed arm, so as to realize the intuitive display of the inclination angle of the bed frame, so that the doctor can observe the first The angle display structure and the second angle display structure can precisely adjust the angle of the medical bed, so that different patients can perform medical examination or operation at the best angle, which improves the comfort of the patient and facilitates the operation of the doctor.

And because the first rotating shaft is a hollow rotating shaft, the first fixing cap includes a cap body and an insertion part, and the insertion part of the first fixing cap is inserted into the inner hole of the first rotating shaft and has an interference fit. In this way, the first fixing cap A fixed cap can pre-adjust the position of the indicator needle when inserted, so that the indicator needle can correspond to the angular scale value at the current tilt angle, and the label is a luminous label, and the corresponding indicator needle is also a luminous indicator needle , so that the angle display structure has a night vision function.

And because the structures of the first driving device and the second driving device are the same, both of the first driving device and the second driving device are linear motors or worm gear screw driving devices, when the first driving device and the second driving device When the two driving devices are both linear motors, the output shafts of the linear motors are respectively connected with the corresponding first driving rod and the second driving rod through couplings; when the first driving device and the second driving device are both worm gear screw When driving the device, the worm gear screw drive device includes a casing, a worm wheel, a worm and a lead screw, the casing is connected to the bed frame, the worm wheel is installed in the casing in rotation, and the inner hole of the worm wheel is set as a threaded hole, so The threaded screw fits with the threaded hole of the worm wheel, the worm is rotatably mounted on the housing and cooperates with the worm wheel, the screw is connected to the corresponding first drive rod and the second drive rod respectively through a shaft coupling, and the worm The operation handwheel is connected, so that the medical bed can not only be driven automatically by the linear motor, but also can be utilized.

And because the first fixing seat is welded on the caster frame, the first fixing seat is provided with a reinforcing flange, the structure of the first fixing frame is reasonable, and the strength of the first fixing seat can be improved by using the reinforcing flange.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a perspective view when the bedstead of the embodiment of the present invention is in a horizontal state;

Fig. 2 is a perspective view of the embodiment of the present invention when it is fully tilted toward the end of the bed;

Fig. 3 is a perspective view when the embodiment of the present invention is fully tilted toward the head of the bed;

Fig. 4 is a perspective view when the bed frame of the embodiment of the present invention is not fully tilted;

Fig. 5 is the enlarged schematic diagram at I place of Fig. 2;

In the attached drawings: 1. bed frame; 2. caster frame; 3. universal caster; 4. first angle adjustment mechanism; 41. first fixed arm; 42. first connecting arm; A fixed seat; 45. The first power arm; 46. The first driving rod; 47. The first driving device; 48. The first rotating shaft; 49. The synchronous connecting rod; 5. The angle adjustment mechanism; 52. The second connecting arm; 53. The second fixed seat; 54. The second power arm; 55. The second driving rod; 56. The second driving device; 57. The second rotating shaft; 6. The first angle display structure; 61 . Angle scale; 62. Indicator needle; 7. Second angle display structure.

detailed description

The present invention will be described in further detail below through specific examples.

As shown in Figures 1 to 5, a dual-angle adjustment device for a medical bed includes a first angle adjustment mechanism 54 and a second angle adjustment mechanism 5, and the first angle adjustment mechanism 54 and the second angle adjustment mechanism 5 are respectively Installed between the caster frame 2 and the bed frame 1 of the medical bed, the top of the bed frame 1 is used to install the bed body, and the bottom of the caster frame 2 is equipped with universal casters 3, so that the whole medical bed can be moved. The patient lies on the bed body, which is convenient for the doctor to check.

As shown in Figures 1 to 5, the first angle adjustment mechanism 54 includes a pair of first fixing arms 41, a pair of first connecting arms 42, a pair of transmission arms 43, a pair of first fixing seats 44 and a first The power arm 45, the pair of first fixed arms 41 are fixed on both sides of one end of the bed frame 1, wherein the fixed arms and the bed frame 1 can be fixed by welding or by bolts.

One end of the first connecting arm 42 is hinged with the first fixed arm 41 through the first rotating shaft 48 one by one. The connecting arms 42 are fixed, so that the hinge between the first connecting arm 42 and the first fixing arm 41 is realized. A first angle display structure 6 is provided between the first fixed arm 41 and the first rotating shaft 48 .

The other end of the first connecting arm 42 is hinged with one end of the driving arm 43 one by one, wherein the first connecting arm 42 is a double-arm structure, and the driving arm 43 is located between the double-arm bodies, so that the force is more balanced . The other end of the transmission arm 43 is hinged one by one on the first fixed seat 44, the first fixed seat 44 is fixed on one end of the caster frame 2, the first fixed seat 44 can be fixed by welding or by bolts, It is preferably fixed by welding, and the first fixing seat 44 is provided with a reinforcing hem. The pair of transmission arms 43 are connected by a synchronous link 49 to realize synchronous action.

One end of the first power arm 45 is fixed on the first rotating shaft 48, the first power arm 45 is in the middle of the first rotating shaft 48, and the other end of the first power arm 45 is hinged with one end of the first driving rod 46, the first The other end of the driving rod 46 is transmission-connected through a first driving device 47 hinged on the bed frame 1 .

The second angle adjustment mechanism 5 includes a pair of second fixing arms 51, a pair of second connecting arms 52, a pair of second fixing seats 53 and a second power arm 54, and the pair of second fixing arms 51 are fixed on On the other side of the bed frame 1, one end of the second connecting arm 52 is hinged with the second fixed arm 51 through the second rotating shaft 57 one by one, and its installation method is similar to that of the first angle adjustment mechanism 54. The second fixed arm 51 and the second rotating shaft 57 are provided with a second angle display structure 7; the other end of the second connecting arm 52 is hinged on the second fixing base 53 one by one, and the second fixing base 53 is fixed on the other side of the caster frame 2 One end, one end of the second power arm 54 is fixed on the second rotating shaft 57, and the position is also located in the middle of the second rotating shaft 57. The second connecting arm 52 is also a double-arm structure, and the second fixing seat 53 is located on the double-arm body. Between, the force is more reasonable, the other end of the second power arm 54 is hinged with one end of the second driving rod 55, and the other end of the second driving rod 55 is connected through the second driving device 56 hinged on the bed frame 1.

In this embodiment, as shown in FIG. 5, the first angle display structure 6 includes an angle scale 61 arranged on the first fixed arm 41, and a first fixed cap is fixed on the end of the first rotating shaft 48, so that An indicator needle 62 corresponding to the angular scale 61 is arranged on the first fixing cap. The first rotating shaft 48 is a hollow rotating shaft. The first fixing cap includes a cap body and an insertion portion. The insertion portion of the first fixing cap is inserted into the inner hole of the first rotating shaft 48 and has an interference fit. The second angle display structure 7 is the same as the first angle display structure 6, the second angle display structure 7 includes an angle scale 61 arranged on the second fixed arm 51, the end of the second rotating shaft 57 is fixed with a first Two fixed caps, the second fixed cap is provided with an indicator needle 62 corresponding to the angular scale 61 . Wherein, the angle scale 61 of the first angle display structure 6 and the angle scale 61 of the second angle display structure 7 are engraved on the first fixed arm 41 and the second fixed arm 51 respectively. Of course, it is preferred in this embodiment that the angle scale 61 of the first angle display structure 6 and the angle scale 61 of the second angle display structure 7 are respectively printed on a label, and the label is correspondingly pasted on the first fixed arm 41 And on the second fixed arm 51. The label is a luminous label, and correspondingly, the indicating pin 62 is also a luminous indicating pin 62 . Angle scale 61 and indicating needle 62 all have night-vision function like this, make it show more clearly when taking care of insufficiently.

In this embodiment, the first angle adjustment mechanism 54 corresponds to the head of the medical bed, and the second angle adjustment mechanism 5 corresponds to the foot of the medical bed. Of course, the positions of the first angle adjusting structure and the second angle adjusting mechanism 5 can also be exchanged.

In this embodiment, the structure of the first driving device 47 and the second driving device 56 are the same, the first driving device 47 and the second driving device 56 are both linear motors, and the output shafts of the linear motors are respectively It is connected with the corresponding first driving rod 46 and the second driving rod 55; the linear movement of the output shaft of the linear motor will drive the linear movement of the first driving rod 46 and the second driving rod 55.

Of course, when the first driving device 47 and the second driving device 56 can also be both worm gear and screw driving devices, the worm gear and screw driving device includes a casing, a worm wheel, a worm and a leading screw, and the casing is connected to the bed frame 1 Above, the worm wheel is rotatably installed in the casing, the inner hole of the worm wheel is set as a threaded hole, the screw is threadedly matched with the threaded hole of the worm wheel, the worm is rotatably installed on the casing and cooperates with the worm wheel, the screw The lever is respectively connected with the corresponding first driving rod 46 and the second driving rod 55 through a coupling, and the worm is connected to operate the hand wheel. The worm gear screw driving device is also a conventional linear drive structure at present. Its principle is to drive the worm to rotate through the rotation of the operating hand wheel, and the worm and the worm mesh to drive the worm to rotate. A leading screw nut mechanism is formed between the hole and the leading screw, thereby driving the leading screw to move linearly, and the linear movement of the leading screw drives the first driving rod 46 and the second driving rod 55 to move linearly.

The working principle of the present invention is: firstly the doctor determines whether to tilt toward the head of the bed or over the tail of the bed according to needs. For example, as shown in FIG. On the bed frame 1, therefore, the linear motor drives the second power arm 54 to swing and swing, and then the second rotating shaft 57 is rotated, and the rotation of the second rotating shaft 57 will drive the second connecting arm 52 to swing around the second fixed seat 53, thereby making the The bed end of the bed frame 1 is inclined, and now the second angle display structure 7 clearly shows the inclination angle of the bed end, so the second angle display structure 7 is used as the criterion, and the adjustment of the first angle adjustment mechanism 54 at this time follows. Similarly, when the head of the bed needs to be tilted, as shown in FIG. 3 , the linear motor drives the first power arm 45 to swing, thereby causing the first rotating shaft 48 to rotate, and the first rotating shaft 48 will drive the first connecting arm 42 and the driving arm 43 The included angle between them changes, and then the transmission arm 43 will also swing relative to the first fixing seat 44, so as to realize the angle adjustment between the bed frame 1 and the caster frame 2. Now the first angle display structure 6 displays the swing position of the first rotating shaft 48 in real time, thereby showing the inclination angle of the head of the bed, and the second angle adjustment mechanism 5 also performs adaptive follow-up adjustment.

The inclination angle of the medical bed can be adjusted through the double-angle adjustment mechanism 5, and the angle scale 61 and the indicator needle 62 are used for visual display, so that the patient is at a more comfortable angle, and it is also convenient for the doctor to perform medical examination or operation.

The motors and lead screw nut mechanisms mentioned in this embodiment are all current conventional technologies, and the motors are disclosed in detail in the "Machine Design Manual Fifth Edition" printed on the twenty-eighth edition of the fifth Beijing edition in April 2008. And the specific structure and principle of other transmission mechanisms and other designs belong to the prior art, and its structure is clear and clear, and it is also detailed in the book "Motor Drive and Speed Regulation" published by Chemical Industry Press on July 01, 2015 The control of the motor and the travel switch are introduced, so the circuit and gas circuit connections are clear.

The above-described embodiments are only descriptions of preferred implementations of the present invention, and are not intended to limit the scope of the present invention. On the basis of not departing from the design spirit of the present invention, any deformation and transformation made to the technical solution of the present invention shall fall within the scope of the present invention. Into the scope of protection determined by the claims of the present invention.

Claims (10)

1. a kind of double angle regulators of medical bed, it is characterised in that：Adjusted including first angle governor motion and second angle Save mechanism, the first angle governor motion and second angle governor motion be respectively arranged in medical bed foot wheel carrier and bedstead it Between, the first angle governor motion include a pair first fixed arms, a pair first linking arms, a pair of transmission arms, a pair first Fixed seat and the first power arm, the pair of first fixed arm are fixed on a both sides of bedstead, and one end of the first linking arm leads to Cross first rotating shaft one-to-one corresponding to be hinged with the first fixed arm, first angle is provided between first fixed arm and first rotating shaft Show structure；The other end of first linking arm and one end of transmission arm, which are corresponded, to be hinged, the other end of the transmission arm One-to-one corresponding is hinged in the first fixed seat, and the first fixed seat is fixed on foot wheel carrier one, and one end of first power arm is consolidated It is scheduled in first rotating shaft, the other end of the first power arm is hinged with first drive rod one end, and the other end of the first drive rod passes through It is hinged on the first driving means drive connection on bedstead；

The second angle governor motion includes a pair of second fixed arms, a pair of second linking arms, a pair of second fixed seats and the Two power arms, the pair of second fixed arm is fixed on the other end both sides of bedstead, and one end of the second linking arm passes through second turn Axle is corresponded and is hinged with the second fixed arm, and second angle display knot is provided between second fixed arm and the second rotating shaft Structure；The other end of second linking arm is corresponded and is hinged in the second fixed seat, and it is another that the second fixed seat is fixed on foot wheel carrier One, one end of second power arm is fixed in the second rotating shaft, the other end of the second power arm and second drive rod one end It is hinged, the other end of the second drive rod is connected by the second drive device being hinged on bedstead.

2. a kind of double angle regulators of medical bed as claimed in claim 1, it is characterised in that：The first angle is shown Structure includes being arranged at angle index on the first fixed arm, and the end of the first rotating shaft is fixed with the first locking cap, and described the Indicator corresponding with angle index is provided with one locking cap.

3. a kind of double angle regulators of medical bed as claimed in claim 2, it is characterised in that：The first rotating shaft is sky Heart rotating shaft, first locking cap includes cap body and insertion section, and the interior of first rotating shaft is inserted in the insertion section of first locking cap In hole and it is interference fitted.

4. a kind of double angle regulators of medical bed as claimed in claim 3, it is characterised in that：The second angle is shown Structure shows that structure is identical with first angle, and second angle shows that structure includes the angle index being arranged on the second fixed arm, institute The end for stating the second rotating shaft is fixed with the second locking cap, second locking cap and is provided with indicator corresponding with angle index.

5. a kind of double angle regulators of medical bed as claimed in claim 4, it is characterised in that：The first angle is shown The angle index and second angle of structure show that the angle index of structure is marked on the first fixed arm and the second fixed arm respectively.

6. a kind of double angle regulators of medical bed as claimed in claim 4, it is characterised in that：The first angle is shown The angle index and second angle of structure show that the angle index of structure is respectively printed at label and sticked, and label patch correspondence is pasted onto the On one fixed arm and the second fixed arm.

7. a kind of double angle regulators of medical bed as claimed in claim 6, it is characterised in that：The label patch is noctilucence Label is pasted, corresponding, and indicator is also noctilucence indicator.

8. a kind of double angle regulators of medical bed as described in claim 5 or 6 or 7, it is characterised in that：Described first jiao Degree governor motion is corresponding with the head of a bed of medical bed, and second angle governor motion is corresponding with the tailstock of medical bed.

9. a kind of double angle regulators of medical bed as claimed in claim 8, it is characterised in that：The first driving means Identical with the structure of the second drive device, the first driving means and the second drive device are linear electric motors or are snail Lead-screw driving device is taken turns, when the first driving means and the second drive device are linear electric motors, the output of linear electric motors Axle is connected with corresponding first drive rod and the second drive rod respectively by shaft coupling；When the first driving means and second are driven When dynamic device is Screw of Worm Gear drive device, the Screw of Worm Gear drive device includes shell, worm gear, worm screw and leading screw, described Shell joins on bedstead, and the worm gear wheel is installed in shell, and the endoporus of the worm gear is set to screwed hole, the leading screw Coordinate with the screwed hole screw thread of worm gear, the worm screw be rotatablely installed on shell and and worm gear, the leading screw passes through shaft coupling Device is connected with corresponding first drive rod and the second drive rod respectively, the worm screw attended operation handwheel.

10. a kind of double angle regulators of medical bed as claimed in claim 9, it is characterised in that：First fixed seat It is welded on foot wheel carrier, reinforcement flanging is provided with the first fixed seat.