Rising assisting mechanism of shaking table

Abstract

The utility model discloses a swing bed rising assisting mechanism which comprises a bottom frame, a support, a connecting rod mechanism, a lead screw nut mechanism and a gas spring, the bottom frame is connected with the support through the connecting rod mechanism, the lead screw nut mechanism is connected with the connecting rod mechanism, the gas spring comprises a piston rod and a cylinder body, the cylinder body is hinged to the bottom frame, and the piston rod is connected with the cylinder body. One end of the piston rod is slidably embedded in the cylinder body, and the other end of the piston rod is hinged to the support. The shaking table can be used in cooperation with the shaking table body, the height of the shaking table body can be effectively adjusted, operation is easy, the gas spring is further arranged and can support the support, when the support ascends, assistance can be provided for ascending of the support by means of stretching of the gas spring, namely stretching of the piston rod, force applied by operators is saved, and working efficiency is improved. When the support descends, the air spring can play a buffering role, and the problems that the speed is too high and stability is poor when the support descends are effectively solved.

Description

Technical Field

[0001] The utility model relates to the field of rocking beds, in particular to a rocking bed ascending assisting mechanism. Background Art

[0002] Rocking beds are widely used in the fields of medical treatment, nursing, etc. With the increase in people's needs, most common rocking beds are now equipped with a lifting structure to facilitate the adjustment of the height of the rocking bed.

[0003] However, the lifting structure of the common rocking tables is difficult to operate, and many rocking tables are large in size and mass. Operators often need to exert great force and perform complex operations to achieve the rise of the rocking table, which is time-consuming and laborious. On the other hand, due to the influence of gravity, many rocking tables have large speed changes when descending, poor stability, and poor physical examination. Utility Model Content

[0004] The purpose of the utility model is to provide a rocking bed lifting assisting mechanism, which can solve one or more of the above problems.

[0005] According to one aspect of the utility model, a rocking bed lifting assist mechanism is provided, comprising a base frame, a bracket, a connecting rod mechanism, a screw nut mechanism and a gas spring, wherein the base frame is connected to the bracket via a connecting rod mechanism, the screw nut mechanism is connected to the connecting rod mechanism, the gas spring comprises a piston rod and a cylinder body, the cylinder body is hinged on the base frame, one end of the piston rod is slidably embedded in the cylinder body, and the other end is hinged to the bracket.

[0006] The beneficial effects of the utility model are as follows: the bracket in the utility model can be used as the bracket of the rocking bed body, so that the connecting rod mechanism is activated by using the screw nut mechanism, so as to change the relative height of the base frame and the bracket, that is, effectively realize the height adjustment of the rocking bed body, the operation is simple, and a gas spring is also provided, the gas spring can support the bracket, and when the bracket rises, relying on the expansion of the gas spring, that is, the extension of the piston rod, it can provide assistance for the rise of the bracket, saving the operator's force, and when the bracket descends, the gas spring can play a buffering role, effectively avoiding the problems of the bracket descending too fast and poor stability.

[0007] In some embodiments, the linkage mechanism includes a unit linkage mechanism and a rotating shaft, the unit linkage mechanism is multiple, the multiple unit linkage mechanisms are connected to the base frame and the bracket, and the rotating shaft is connected to the multiple unit linkage mechanisms. Thus, by driving the rotating shaft to move, the multiple unit linkage mechanisms can be moved together accordingly.

[0008] In some embodiments, the unit linkage mechanism includes a first link and a second link, one end of the first link is hinged to the base frame, and the other end is hinged to one end of the second link, the other end of the second link is fixedly connected to the bracket, and the rotating shaft is connected to the hinge position of the first link and the second link. Therefore, when the rotating shaft rotates, the first link and the second link can rotate relative to each other around their hinge position, so as to change the relative position of the bracket and the base frame.

[0009] In some embodiments, the connecting rod mechanism includes a sleeve block, which is fixedly sleeved on the rotating shaft and hinged with the screw nut mechanism. Thus, the screw nut mechanism can effectively drive the rotating shaft to move through the sleeve block.

[0010] In some embodiments, the screw-nut mechanism includes a screw, a screw sleeve and a screw seat, wherein the screw sleeve is fitted on the screw by threaded fit, the screw seat is connected to a bracket, the screw is rotatably mounted on the screw seat, and the screw sleeve is connected to a connecting rod mechanism. Thus, as the screw rotates, the screw sleeve can move linearly, thereby driving the connecting rod mechanism to move.

[0011] In some embodiments, the screw seat includes a sleeve and a seat body, the sleeve is sleeved on the screw, the seat body is connected to the bracket, two sides of the seat body are respectively provided with folded ends, the sleeve is arranged between the two folded ends, two sides of the sleeve are provided with protrusions, and the two protrusions are respectively connected to the two folded ends. The two folded ends can limit the sleeve and facilitate the connection between the sleeve and the seat body.

[0012] In some embodiments, the utility model further comprises a handle, wherein the handle is connected to the lead screw, and the handle can facilitate a user to manually operate the rotation of the lead screw.

[0013] In some embodiments, the utility model further comprises a wheel frame and a roller, wherein the wheel frame is connected to the base frame, and the roller is rotatably mounted on the wheel frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a rocking bed lifting assist mechanism according to one embodiment of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the combination of the screw nut mechanism and the connecting rod mechanism of the rocking bed lifting assist mechanism according to one embodiment of the utility model.

[0016] Figure 3 It is a structural schematic diagram of the combination of a lead screw and a lead screw seat of a rocking bed lifting assist mechanism according to one embodiment of the utility model.

[0017] Figure 4The present invention is a schematic structural diagram of a gas spring of a rocking bed lifting assist mechanism according to an embodiment of the present invention.

[0018] In the figure: 1. base frame, 2. bracket, 3. connecting rod mechanism, 4. screw nut mechanism, 5. gas spring, 6. handle, 7. wheel frame, 8. roller, 31. unit connecting rod mechanism, 32. rotating shaft, 33. sleeve block, 311. first connecting rod, 312. second connecting rod, 41. screw, 42. screw sleeve, 43. screw seat, 431. shaft sleeve, 432. seat body, 433. folded end, 434. protrusion, 51. piston rod, 52. cylinder body. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model discloses a rocking bed lifting assist mechanism, which comprises a base frame 1, a bracket 2, a connecting rod mechanism 3, a screw nut mechanism 4 and a gas spring 5.

[0021] The base frame 1 and the bracket 2 are connected by a connecting rod mechanism 3. Specifically, the connecting rod mechanism 3 includes a unit connecting rod mechanism 31 and a rotating shaft 32. There can be multiple unit connecting rod mechanisms 31. In this embodiment, there are preferably two unit connecting rod mechanisms 31.

[0022] The unit linkage mechanism 31 includes a first link 311 and a second link 312, one end of the first link 311 is hinged to the base frame 1 through a pin, the other end of the first link 311 is hinged to one end of the second link 312 through a pin, the other end of the second link 312 is fixedly connected to the bracket 2 through a bolt, and the rotating shaft 32 is connected to the hinged position of the first link 311 and the second link 312 in the two unit linkage mechanisms 31, that is, the rotating shaft 32 is connected to all the unit linkage mechanisms 31, and when the rotating shaft 32 rotates, the first link 311 and the second link 312 can be relatively rotated around their hinged positions, so as to change the relative position of the bracket and the base frame. The two unit linkage mechanisms 31 are parallel after being set.

[0023] The screw nut mechanism 4 includes a screw 41, a screw sleeve 42 and a screw seat 43. The screw sleeve 42 is sleeved on the screw 41 through threaded matching, and the screw seat 43 includes a shaft sleeve 431 and a seat body 432. The shaft sleeve 431 is sleeved on the screw 41, and the screw 41 can rotate on the shaft sleeve 431, that is, the screw 41 is rotatably mounted on the screw seat 43.

[0024] The seat body 432 is fixedly connected to the bracket 2 by bolts, and folded ends are respectively provided on both sides of the seat body 432. The shaft sleeve 431 is arranged between the two folded ends 433, and protrusions 434 are provided on both sides of the shaft sleeve 431. The two protrusions 434 are respectively fixedly connected to the two folded ends 433 by bolts.

[0025] The connecting rod mechanism 3 also includes a sleeve block 33, which is fixedly sleeved on the rotating shaft 32, and one end of the sleeve block 33 is hinged to the screw sleeve 42 of the screw nut mechanism 4 through a pin shaft, and in order to ensure the stability of the screw sleeve 42 when moving and the reliability of the connection between the screw sleeve 42 and the connecting rod mechanism 3, the screw sleeve 42 can connect two sleeve blocks 33 at the same time.

[0026] The utility model can also include a handle 6 , which is connected to the lead screw 41 via a coupling, so that the rotation of the handle 6 can also drive the lead screw 41 to rotate.

[0027] In addition, as required, the connecting rod mechanism 3 can be provided in plurality, and the screw nut mechanism 4 can be provided in plurality accordingly, and the plurality of screw nut mechanisms 4 can be connected to the plurality of screw nut mechanisms 4 respectively.

[0028] The gas spring 5 includes a piston rod 51 and a cylinder body 52. ​​The cylinder body 52 can be loaded with inert gas, and the cylinder body 52 is hinged on the base frame 1 through a pin. One end of the piston rod 51 is slidably embedded in the cylinder body 52 through a piston, and the other end of the piston rod 51 is hinged to the bracket 2 through a pin.

[0029] The gas spring 5 can be provided in plurality. In the present embodiment, there are preferably two gas springs 5 ​​, which are provided in parallel.

[0030] The utility model also includes a wheel frame 7 and a roller 8. The wheel frame 7 and the roller 8 can be multiple. In the present embodiment, the wheel frame 7 and the roller 8 are preferably four. The four wheel frames 7 are fixedly connected to the base frame 1 by bolts, and the four rollers 8 are rotatably mounted on the four wheel frames 7 respectively.

[0031] When the utility model is in use, the bracket 2 can be fixedly connected to the rocking bed body, and the user can rotate the screw 41 through the handle 6. The rotation of the screw 41 can drive the screw sleeve 42 to move linearly along the screw, and the linear movement of the screw 41 can correspondingly drive the rotating shaft 32 to rotate through the sleeve block 33. The rotation of the rotating shaft 32 can correspondingly drive the connecting rod mechanism 3 to move to realize the rising or falling of the bracket 2, that is, effectively realize the rising or falling of the rocking bed body.

[0032] When the user drives the rocking bed to rise, the gas spring 5 can stretch, that is, the piston rod 51 can extend accordingly to provide assistance for the rise of the bracket 2, which can effectively save the force applied by the operation requirements.

[0033] When the user drives the rocking bed to descend, the gas spring 5 can be compressed, that is, the piston rod 51 can retract accordingly. The gas spring 5 can play a buffering role when the bracket 2 descends, effectively avoiding the problems of the bracket 2 descending too fast and poor stability.

[0034] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. The rocking bed lifting assist mechanism is characterized by: It includes a base frame, a bracket, a connecting rod mechanism, a screw nut mechanism and a gas spring. The base frame is connected to the bracket through a connecting rod mechanism, and the screw nut mechanism is connected to the connecting rod mechanism. The gas spring includes a piston rod and a cylinder body. The cylinder body is hinged on the base frame. One end of the piston rod is slidably embedded in the cylinder body, and the other end is hinged to the bracket.

2. The rocking bed lifting assist mechanism according to claim 1, characterized in that: The link mechanism comprises a unit link mechanism and a rotating shaft. There are multiple unit link mechanisms, and the multiple unit link mechanisms are all connected to the base frame and the bracket. The rotating shaft is connected to the multiple unit link mechanisms.

3. The rocking bed lifting assist mechanism according to claim 2, characterized in that: The unit linkage mechanism includes a first link and a second link, one end of the first link is hinged to the base frame, and the other end is hinged to one end of the second link, the other end of the second link is fixedly connected to the bracket, and the rotating shaft is connected to the hinge position of the first link and the second link.

4. The rocking bed lifting assist mechanism according to claim 2, characterized in that: The connecting rod mechanism comprises a sleeve block, which is fixedly sleeved on the rotating shaft and hinged with the lead screw and nut mechanism.

5. The rocking bed lifting assist mechanism according to claim 1, characterized in that: The screw-nut mechanism comprises a screw, a screw sleeve and a screw seat, wherein the screw sleeve is fitted onto the screw through threaded engagement, the screw seat is connected to a bracket, the screw is rotatably mounted on the screw seat, and the screw sleeve is connected to a connecting rod mechanism.

6. The rocking bed lifting assist mechanism according to claim 5, characterized in that: The screw seat includes a sleeve and a seat body, the sleeve is sleeved on the screw, the seat body is connected to the bracket, folded ends are respectively provided on both sides of the seat body, the sleeve is arranged between the two folded ends, protrusions are provided on both sides of the sleeve, and the two protrusions are respectively connected to the two folded ends.

7. The rocking bed lifting assist mechanism according to claim 5, characterized in that: A handle is included, and the handle is connected to the lead screw.

8. The rocking bed lifting assist mechanism according to claim 1, characterized in that: The utility model comprises a wheel frame and a roller, wherein the wheel frame is connected with a base frame, and the roller is rotatably mounted on the wheel frame.

Images