CN213250550U - Scissor type lifting mechanism - Google Patents
Scissor type lifting mechanism Download PDFInfo
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- CN213250550U CN213250550U CN202021317098.0U CN202021317098U CN213250550U CN 213250550 U CN213250550 U CN 213250550U CN 202021317098 U CN202021317098 U CN 202021317098U CN 213250550 U CN213250550 U CN 213250550U
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Abstract
The utility model relates to a scissors posture elevating system, it has solved current sick bed, when the elevating gear of nursing bed made the bed surface drop to minimum, the bed surface was still great technical problem apart from the distance between the ground, it includes bed surface braced frame, first lift carriage, second lift carriage, the head rod, the second connecting rod, first lift rotating turret, the second goes up and down to rotate the frame, first electric putter, second electric putter, first ball bearing, second ball bearing, left lower margin supporting seat, right lower margin supporting seat, first connecting pin and second connecting pin, first lift carriage is articulated with bed surface braced frame's left end, first electric putter, second electric putter is articulated with bed surface braced frame's middle part respectively, the head rod, the second connecting rod is articulated with braced frame respectively. The utility model is widely used for sickbeds and nursing beds.
Description
Technical Field
The utility model relates to the technical field of medical equipment, particularly, relate to a scissors posture elevating system.
Background
In addition to the increase of the total number of the aged people in China, the number of the empty nesters, the elderly with loss of sex and the elderly who cannot take care of themselves completely is increased, and the number of the disabled people caused by various disasters and diseases is increased year by year, so that the usage amount of the corresponding sickbeds and nursing beds is increased more and more, and the functional requirements on the sickbeds and the nursing beds are also increased continuously.
The existing sickbed and nursing bed have lifting functions, and the lifting device can lift or lower the bed surface when working, so that the bed surface can be lifted within a certain height range. However, when the bed surface is lowered to the lowest position by the conventional lifting device, the distance between the bed surface and the ground is still large, and the current more severe requirements cannot be met.
Disclosure of Invention
The utility model discloses be exactly when the elevating gear who solves current sick bed, nursing bed makes the bed surface drop to minimum, the bed surface is still great technical problem apart from the distance between the ground, provides a can reduce the scissors posture elevating system of bed surface apart from distance between the ground by a wide margin.
The utility model provides a scissor type lifting mechanism, which comprises a bed surface supporting frame, a first lifting sliding frame, a second lifting sliding frame, a first connecting rod, a second connecting rod, a first lifting rotating frame, a second lifting rotating frame, a first electric push rod, a second electric push rod, a first ball bearing, a second ball bearing, a left foot supporting seat, a right foot supporting seat, a first connecting pin and a second connecting pin, wherein the first lifting sliding frame is provided with a bed surface supporting frame hinged part, a lifting rotating frame hinged part and a sliding track, the second lifting sliding frame is provided with a bed surface supporting frame hinged part, a lifting rotating frame hinged part and a sliding track, the bed surface supporting frame hinged part of the first lifting sliding frame is hinged with the left end of the bed surface supporting frame, the body of the first electric push rod is hinged with the middle part of the bed surface supporting frame, the upper end of the first connecting rod is hinged with the bed surface supporting frame, the first connecting pin respectively penetrates through a first ball bearing, the lower end of the first connecting rod and the telescopic end of the first electric push rod, and the first ball bearing is embedded into a sliding track of the first lifting sliding frame; a bed surface supporting frame hinged part of the second lifting sliding frame is hinged with the right end of the bed surface supporting frame, a body of the second electric push rod is hinged with the middle part of the bed surface supporting frame, the upper end of a second connecting rod is hinged with the bed surface supporting frame, a second connecting pin respectively passes through a second ball bearing, the lower end of the second connecting pin and the telescopic end of the second electric push rod, and the second ball bearing is embedded into a sliding track of the second lifting sliding frame; the right end of the first lifting rotating frame is hinged with the middle part of the bed surface supporting frame, the left end of the first lifting rotating frame is rotatably connected with the left foot supporting seat, and the middle part of the first lifting rotating frame is hinged with a lifting rotating frame hinged part of the first lifting sliding frame; the left end of the second lifting rotating frame is hinged with the middle part of the bed surface supporting frame, the right foot supporting seat at the right end of the second lifting rotating frame is rotatably connected, and the middle part of the second lifting rotating frame is hinged with a lifting rotating frame hinged part of the second lifting sliding frame.
The beneficial effects of the utility model are that, novel structure, reliability, stability are high, can also realize the bed surface position of superlow.
Further features of the invention will be apparent from the description of the embodiments which follows.
Drawings
FIG. 1 is a schematic structural view of a scissor lift mechanism in an unelevated state;
FIG. 2 is a front view of the structure shown in FIG. 1;
FIG. 3 is a schematic diagram of the scissor lift mechanism in a raised position;
FIG. 4 is a front view of the structure shown in FIG. 3;
fig. 5 is a perspective view of the first lifting carriage;
fig. 6 is a front view of the first lifting carriage;
FIG. 7 is a top view of the first lift carriage;
fig. 8 is a left side view of the first lifting carriage.
The symbols in the drawings illustrate that:
1. the lifting device comprises a bed surface supporting frame, 2, a first lifting sliding frame, 3, a second lifting sliding frame, 4, a first connecting rod, 5, a second connecting rod, 6, a first lifting rotating frame, 7, a second lifting rotating frame, 8, a first electric push rod, 9, a second electric push rod, 10, a first ball bearing, 11, a second ball bearing, 12, a left foot supporting seat, 13, a right foot supporting seat, 14, a first connecting pin and 15, and a second connecting pin.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description of the preferred embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 4, the scissor-type lifting mechanism includes a bed surface supporting frame 1, a first lifting carriage 2, a second lifting carriage 3, a first connecting rod 4, a second connecting rod 5, a first lifting rotating frame 6, a second lifting rotating frame 7, a first electric push rod 8, a second electric push rod 9, a first ball bearing 10, a second ball bearing 11, a left foot supporting seat 12, a right foot supporting seat 13, a first connecting pin 14, and a second connecting pin 15. As shown in fig. 5-8, the first lifting sliding frame 2 is provided with a bed surface supporting frame hinge part 2-1, a lifting rotating frame hinge part 2-2 and a sliding track 2-3. The structure of the second lifting sliding frame 3 is the same as that of the first lifting sliding frame 2, and a bed surface supporting frame hinged part, a lifting rotating frame hinged part and a sliding track are also arranged. A bed surface supporting frame hinging part 2-1 of a first lifting sliding frame 2 is hinged with the left end of the bed surface supporting frame 1, a body of a first electric push rod 8 is hinged with the middle part of the bed surface supporting frame 1, the upper end of a first connecting rod 4 is hinged with the bed surface supporting frame 1, a first connecting pin 14 respectively passes through a first ball bearing 10, the lower end of the first connecting rod 4 and the telescopic end of the first electric push rod 8, and the first ball bearing 10 is embedded into a sliding track 2-3 of the first lifting sliding frame 2. The hinged part of the bed surface supporting frame of the second lifting sliding frame 3 is hinged with the right end of the bed surface supporting frame 1, the body of the second electric push rod 9 is hinged with the middle part of the bed surface supporting frame 1, the upper end of the second connecting rod 5 is hinged with the bed surface supporting frame 1, the second connecting pin 15 respectively passes through the second ball bearing 11, the lower end of the second connecting pin 15 and the telescopic end of the second electric push rod 9, and the second ball bearing 11 is embedded into the sliding track of the second lifting sliding frame 3. The right end of the first lifting rotating frame 6 is hinged with the middle part of the bed surface supporting frame 1, the left end of the first lifting rotating frame 6 is rotatably connected with the left foot margin supporting seat 12, and the middle part of the first lifting rotating frame 6 is hinged with the lifting rotating frame hinged part 2-2 of the first lifting sliding frame 2. The left end of the second lifting rotating frame 7 is hinged with the middle part of the bed surface supporting frame 1, the right foot supporting seat 13 at the right end of the second lifting rotating frame 7 is rotatably connected, and the middle part of the second lifting rotating frame 7 is hinged with the lifting rotating frame hinged part of the second lifting sliding frame 3. The left foot supporting seat 12 and the right foot supporting seat 13 are arranged on the ground to be used as supports.
As shown in fig. 1 and 2, when the first and second electric push rods 8 and 9 are in a fully retracted state at the same time, the first ball bearing 10 is located at the lower limit position of the sliding rail 2-3 of the first lifting carriage 2, and the second ball bearing 11 is located at the lower limit position of the sliding rail of the second lifting carriage 3, and at this time, the bed support frame 1 is in an ultra-low position, and the distance from the upper surface of the bed support frame 1 to the ground is measured as 180 ± 10 mm.
As shown in fig. 3 and 4, when the first electric push rod 8 and the second electric push rod 9 extend simultaneously, the first ball bearing 10 slides in the sliding track 2-3 of the first lifting slide frame 2, the second ball bearing 11 slides in the sliding track of the second lifting slide frame 3, the first connecting rod 4 rotates downwards along the connection point hinged with the bed surface supporting frame 1 due to the extension of the first electric push rod 8, the second connecting rod 5 rotates downwards along the connection point hinged with the bed surface supporting frame 1 due to the extension of the second electric push rod 9, the rotation of the first connecting rod 4 and the second connecting rod 5 further pushes the first lifting slide frame 2 and the second lifting slide frame 3 to rotate downwards along the connection point hinged with the bed surface supporting frame 1, respectively, the first lifting slide frame 2 and the second lifting slide frame 3 rotate and then drive the first lifting rotary frame 6 and the second lifting rotary frame 7 to rotate upwards along the connection point hinged with the lifting rotary frame and the supporting base, the first lifting rotating frame 6 and the second lifting rotating frame 7 rotate upwards to lift the bed surface supporting frame 1, so that the bed surface supporting frame 1 is lifted. On the contrary, the first electric push rod 8 and the second electric push rod 9 retract at the same time, so that the bed surface supporting frame 1 descends.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if those skilled in the art should understand it, without departing from the spirit of the present invention, they should also understand that other configurations of the components, driving devices and connecting means can be adopted without inventive design and structural modes and embodiments similar to the technical solution.
Claims (1)
1. A scissor type lifting mechanism is characterized by comprising a bed surface supporting frame, a first lifting sliding frame, a second lifting sliding frame, a first connecting rod, a second connecting rod, a first lifting rotating frame, a second lifting rotating frame, a first electric push rod, a second electric push rod, a first ball bearing, a second ball bearing, a left foot support seat, a right foot support seat, a first connecting pin and a second connecting pin, wherein the first lifting sliding frame is provided with a bed surface supporting frame hinged part, a lifting rotating frame hinged part and a sliding track, the second lifting sliding frame is provided with a bed surface supporting frame hinged part, a lifting rotating frame hinged part and a sliding track, the bed surface supporting frame hinged part of the first lifting sliding frame is hinged with the left end of the bed surface supporting frame, the body of the first electric push rod is hinged with the middle part of the bed surface supporting frame, and the upper end of the first connecting rod is hinged with the bed surface supporting frame, the first connecting pin respectively penetrates through a first ball bearing, the lower end of the first connecting rod and the telescopic end of the first electric push rod, and the first ball bearing is embedded into a sliding track of the first lifting sliding frame; the bed surface supporting frame hinged part of the second lifting sliding frame is hinged with the right end of the bed surface supporting frame, the body of the second electric push rod is hinged with the middle part of the bed surface supporting frame, the upper end of the second connecting rod is hinged with the bed surface supporting frame, the second connecting pin respectively penetrates through a second ball bearing, the lower end of the second connecting pin and the telescopic end of the second electric push rod, and the second ball bearing is embedded into a sliding track of the second lifting sliding frame; the right end of the first lifting rotating frame is hinged with the middle part of the bed surface supporting frame, the left end of the first lifting rotating frame is rotatably connected with the left foot supporting seat, and the middle part of the first lifting rotating frame is hinged with a lifting rotating frame hinged part of the first lifting sliding frame; the left end of the second lifting rotating frame is hinged with the middle part of the bed surface supporting frame, the right foot supporting seat at the right end of the second lifting rotating frame is rotatably connected, and the middle part of the second lifting rotating frame is hinged with a hinged part of the lifting rotating frame of the second lifting sliding frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317098.0U CN213250550U (en) | 2020-07-07 | 2020-07-07 | Scissor type lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317098.0U CN213250550U (en) | 2020-07-07 | 2020-07-07 | Scissor type lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213250550U true CN213250550U (en) | 2021-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021317098.0U Active CN213250550U (en) | 2020-07-07 | 2020-07-07 | Scissor type lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213250550U (en) |
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2020
- 2020-07-07 CN CN202021317098.0U patent/CN213250550U/en active Active
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