CN215936862U - Waist ejecting device - Google Patents
Waist ejecting device Download PDFInfo
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- CN215936862U CN215936862U CN202122549787.5U CN202122549787U CN215936862U CN 215936862 U CN215936862 U CN 215936862U CN 202122549787 U CN202122549787 U CN 202122549787U CN 215936862 U CN215936862 U CN 215936862U
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- connecting rod
- ejection
- electric cylinder
- rod
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Abstract
The utility model relates to a waist ejection device in the technical field of electric beds, which comprises: a base arranged on the lower surface of the bed board; the lifting plate is used for jacking the waist of the human body; a translation drive component; a slide bar; the scissor fork ejector rod group moves vertically along with the translation of the sliding strip; the translation driving part comprises an electric cylinder, a driving connecting rod and a middle pivot, a cylinder barrel of the electric cylinder is arranged on the outer side of the base and is rotationally connected with the outer side of the base, a telescopic rod of the electric cylinder is rotationally connected with one end of the driving connecting rod, and the other end of the driving connecting rod is rotationally connected with the bed board through the middle pivot; the rod body of the driving connecting rod is abutted against the sliding strip and is driven by the electric cylinder to do horizontal swinging and rotating motion around the middle pivot so as to drive the sliding strip to be matched with the base in a smooth moving mode. The lifting plate has the advantages of convenience in applying torque, uniform stress and the like, and the smooth operation of the waist supporting action of the lifting plate is guaranteed.
Description
Technical Field
The utility model relates to the technical field of electric beds, in particular to a waist ejection device installed on an electric bed.
Background
At present, with the improvement of life, people have further requirements on life quality. Beddo begins to obtain wide application, and present beddo has upwards had the function of jack-up waist, and its structure sets up as: a base arranged on the lower surface of the bed board; the lifting plate is horizontally arranged and used for jacking the waist of the human body; a translation driving part assembled on the base; the sliding strip is driven by the translation driving part to be matched with the base in a smooth moving way; the scissors fork ejector rod group moves vertically along with the translation of the sliding strip and is movably connected with the bottom of the lifting plate. However, in the prior art, the translation driving part is arranged in the base, and the size of the translation driving part is small due to limited installation space, so that strong jacking force is difficult to apply; alternatively, the translation driving part (driving motor) is placed at a parallel position in the length direction of the whole mechanism, but the motor is positioned at the side edge of the movement mechanism, so that the mechanism is stressed unevenly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a waist ejection device to solve the problems in the prior art.
The purpose of the utility model is realized as follows: a waist ejection device is installed at the position of an ejection opening of a bed board and comprises:
a base arranged on the lower surface of the bed board;
the lifting plate is horizontally arranged and used for jacking the waist of the human body;
a translation driving part assembled on the base;
the sliding strip is driven by the translation driving part to be matched with the base in a smooth moving way;
the scissors fork ejector rod group moves vertically along with the translation of the sliding strip and is movably connected with the bottom of the lifting plate;
the translation driving part comprises an electric cylinder, a driving connecting rod and a middle pivot, a cylinder barrel of the electric cylinder is arranged on the outer side of the base and is rotationally connected with the outer side of the base, a telescopic rod of the electric cylinder is rotationally connected with one end of the driving connecting rod, and the other end of the driving connecting rod is rotationally connected with the base through the middle pivot;
the rod body of the driving connecting rod is abutted against the sliding strip and is driven by the electric cylinder to do horizontal swinging and rotating motion around the middle pivot so as to drive the sliding strip to be matched with the base in a smooth moving mode.
Furthermore, the middle part of the rod body of the driving connecting rod is rotatably connected with a roller, the sliding strip is fixedly connected with a stop seat, and the wheel surface of the roller is abutted against the stop seat.
Further, the wheel surface of the roller abuts against the blocking seat along the extending direction of the piston rod of the electric cylinder.
Further, the base is provided with a bar-shaped groove, the sliding strip is arranged in the bar-shaped groove in a sliding mode and is parallel to the bar-shaped groove, and the projection position of the top rod group of the scissors fork is located in the bar-shaped groove.
Furthermore, the opening of the strip-shaped groove is attached to the lower surface of the bed plate and is opposite to the ejection opening.
Furthermore, the connecting point of the driving connecting rod and the piston rod of the electric cylinder is positioned on one outer side of the base, the middle pivot is positioned on the other outer side of the base, and the two sides of the base are provided with abdicating grooves for accommodating the driving connecting rod to do horizontal swinging and rotating motion.
Furthermore, the other outer side of the base is fixedly attached with an accommodating box for accommodating the other end of the driving connecting rod, and the central shaft penetrates through the accommodating box.
Further, the electric cylinder is horizontally arranged and forms a mechanism moving on the horizontal plane together with the driving connecting rod.
Further, the lower side of the electric cylinder is higher than the bottom of the base.
Furthermore, the scissor fork ejector rod group comprises a pair of ejection connecting rods which are parallel to each other and form a parallelogram link mechanism, the upper ends of the ejection connecting rods are rotatably connected with the lower end of the lifting plate, the lower ends of the ejection connecting rods are rotatably connected with the sliding strip, each ejection connecting rod is provided with a support connecting rod, one end of each support connecting rod is rotatably connected with the base, and the other end of each support connecting rod obliquely supports the ejection connecting rod and is rotatably connected with the rod body of the ejection connecting rod.
The utility model has the beneficial effects that:
1. when the lifting plate needs to be jacked upwards, a piston rod of the electric cylinder extends out to drive a roller of the driving connecting rod to horizontally abut against the blocking seat, and the sliding strip is driven to horizontally slide in the strip-shaped groove of the base, so that the two jacking connecting rods are driven to rotate upwards, and the horizontal lifting plate is driven to move upwards so as to jack the waist of a human body;
2. the stress is uniform, and because the two ends of the driving connecting rod are respectively positioned at the two sides of the base, the driving connecting rod is like a lever when being driven by the electric cylinder, the two ends of the driving connecting rod can be simultaneously stressed, so that the stress is more uniform, and the smooth operation of the waist-supporting action of the lifting plate is ensured;
3. because electronic jar is whole to be in the position in a base outside to the downside of electronic jar is higher than the bottom of base, can the limited installation space of make full use of, also can choose for use the great electronic jar type of moment, thereby the top waist dynamics of guarantee lifter plate.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic diagram of an application state of the present invention.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
As shown in fig. 2, a lumbar ejector is mounted at a position of an ejection opening 1a of a bed plate 1, and includes:
a base 6 arranged on the lower surface of the bed board 1, wherein the base 6 is of a hollow box structure;
the lifting plate 2 is horizontally arranged and used for jacking up the waist of a human body, the lifting plate 2 is basically aligned with the upper surface of the bed plate 1 in an initial state, in the embodiment, the ejection opening 1a is a long-strip-shaped rectangular hole, in order to adapt to the structure of the ejection opening 1a, the lifting plate 2 is also in a long-strip-shaped rectangular structure, and the contour edge of the lifting plate 2 is close to the contour edge of the ejection opening 1 a;
a translation drive member mounted to the base 6;
the sliding strip 5 is driven by the translation driving part to be matched with the base 6 in a smooth moving way;
the scissors fork ejector rod group is vertically movable along with the translation of the sliding strip 5 and movably connected with the bottom of the lifting plate 2, the scissors fork ejector rod group comprises a pair of ejection connecting rods 3 which are parallel to each other and form a parallelogram link mechanism, the upper ends of the ejection connecting rods 3 are rotatably connected with the lower end of the lifting plate 2, the lower ends of the ejection connecting rods 3 are rotatably connected with the sliding strip 5, each ejection connecting rod 3 is provided with a support connecting rod 4, one end of each support connecting rod 4 is rotatably connected with the base 6, the other end of each support connecting rod is obliquely supported on the ejection connecting rod 3 and is rotatably connected with the rod body of the ejection connecting rod 3, and the two support connecting rods 4 are also parallel to each other.
As shown in fig. 1, the translation driving component includes an electric cylinder 7, a driving connecting rod 8 and a central pivot 9, a cylinder of the electric cylinder 7 is arranged on one outer side of the base 6 and is rotatably connected with the outer side of the base 6, an expansion link of the electric cylinder 7 is rotatably connected with one end of the driving connecting rod 8, and the other end of the driving connecting rod 8 is rotatably connected with the base 6 through the central pivot 9; in order to ensure uniform stress, the connecting point of the driving connecting rod 8 and the piston rod of the electric cylinder 7 is positioned at one outer side of the base 6, and the central pivot 9 is positioned at the other outer side of the base 6, so that the two ends of the driving connecting rod 8 are respectively positioned at the two sides of the base 6, the driving connecting rod 8 is driven by the electric cylinder 7 to be like a lever, the two ends can be simultaneously stressed, and the stress is more uniform.
The rod body of the driving connecting rod 8 is abutted against the sliding strip 5 and is driven by the electric cylinder 7 to do horizontal swinging and rotating motion around the middle pivot 9 so as to drive the sliding strip 5 to be matched with the base 6 in a smooth moving way; the middle of the rod body of the driving connecting rod 8 is rotatably connected with a roller 10, the sliding strip 5 is fixedly connected with a blocking seat 11, the wheel surface of the roller 10 abuts against the blocking seat 11, and the wheel surface of the roller 10 abuts against the blocking seat 11 along the extending direction of the piston rod of the electric cylinder 7.
When needs jack up lifter plate 2 upwards, the piston rod of electronic jar 7 stretches out, orders about 10 levels of gyro wheel of drive connecting rod 8 and supports and lean on and block seat 11, drives the sliding strip 5 and carries out the horizontal slip in the bar groove 6a of base 6 to drive two ejecting connecting rods 3 upwards rotations, drive the 2 upward movements of horizontally lifter plate, so that jack up human waist. The roller 10 horizontally abuts against the blocking seat 11 to generate adaptive rolling on the blocking seat 11, so that the transmission effect is smoother.
The base 6 both sides all are equipped with the groove of stepping down 6b that holds drive connecting rod 8 and make horizontal swing rotary motion, and drive connecting rod 8 passes groove of stepping down 6b, means drive connecting rod 8 and crosses base 6, makes its both ends branch department two outside positions of base 6, and the fixed subsides in another outside of base 6 are equipped with the box 12 that holds the other end of drive connecting rod 8, and pivot 9 cross-under holds box 12.
The electric cylinder 7 is horizontally arranged and forms a mechanism moving on a horizontal plane together with the driving connecting rod 8, and the lower side of the electric cylinder 7 is higher than the bottom of the base 6. Can the limited installation space of make full use of, also can choose for use the great electronic jar 7 of moment to the waist dynamics of top of guarantee lifter plate 2.
Above-mentioned base 6 is equipped with a shape groove 6a, and the slip 5 slides and sets up in bar groove 6a to it is parallel with bar groove 6a, and the projection position of scissors fork ejector pin group is in bar groove 6a, and the opening in bar groove 6a pastes and leans on 1 lower surface of bed board, and just to ejecting opening 1a, when initial state was fallen to 2 lifters, scissors fork ejector pin group most contracted in 6 a's of base bar groove 6.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A lumbar ejector device is installed at the position of an ejection opening (1a) of a bed plate (1), and comprises:
a base (6) arranged on the lower surface of the bed plate (1);
the lifting plate (2) is horizontally arranged and used for jacking the waist of the human body;
a translation drive component assembled on the base (6);
the sliding bar (5) is driven by the translation driving part to be matched with the base (6) in a smooth moving way;
the scissors fork ejector rod group moves vertically along with the translation of the sliding strip (5), and is movably connected with the bottom of the lifting plate (2);
the method is characterized in that:
the translation driving part comprises an electric cylinder (7), a driving connecting rod (8) and a central pivot (9), a cylinder barrel of the electric cylinder (7) is arranged on one outer side of the base (6) and is rotationally connected with the outer side of the base (6), a telescopic rod of the electric cylinder (7) is rotationally connected with one end of the driving connecting rod (8), and the other end of the driving connecting rod (8) is rotationally connected with the base (6) through the central pivot (9);
the rod body of the driving connecting rod (8) is abutted against the sliding strip (5) and is driven by the electric cylinder (7) to do horizontal swinging and rotating motion around the middle pivot (9) so as to drive the sliding strip (5) to be matched with the base (6) in a smooth moving mode.
2. A lumbar ejection device as in claim 1, wherein: the middle part of the rod body of the driving connecting rod (8) is rotatably connected with a roller (10), the sliding strip (5) is fixedly connected with a stop seat (11), and the wheel surface of the roller (10) is abutted against the stop seat (11).
3. A lumbar ejection device as in claim 2, wherein: the wheel surface of the roller (10) abuts against the blocking seat (11) along the extending direction of the piston rod of the electric cylinder (7).
4. A lumbar ejection device as in claim 1, wherein: base (6) are equipped with a bar groove (6a), slide bar (5) slide and set up in bar groove (6a) to it is parallel with bar groove (6a), the projection position of scissors fork ejector pin group is in bar groove (6 a).
5. The lumbar ejection device of claim 4, wherein: the opening of the strip-shaped groove (6a) is attached to the lower surface of the bed plate (1) and is opposite to the ejection opening (1 a).
6. The lumbar ejection device of claim 4, wherein: the tie point of drive connecting rod (8) and the piston rod of electronic jar (7) is in a base (6) outside, well pivot (9) are in another outside of base (6), base (6) both sides all are equipped with and hold drive connecting rod (8) and make horizontal swing rotary motion's groove of stepping down (6 b).
7. The lumbar ejection device of claim 6, wherein: the other outer side of the base (6) is fixedly attached with an accommodating box (12) for accommodating the other end of the driving connecting rod (8), and the middle pivot (9) is connected with the accommodating box (12) in a penetrating way.
8. A lumbar ejection device as in claim 1, wherein: the electric cylinder (7) is horizontally arranged and forms a mechanism moving on the horizontal plane together with the driving connecting rod (8).
9. A lumbar ejection device as in claim 8, wherein: the lower side of the electric cylinder (7) is higher than the bottom of the base (6).
10. A lumbar ejection device as in any of claims 1-9, wherein: the scissors fork ejector rod group comprises a pair of ejection connecting rods (3) which are parallel to each other and form a parallelogram link mechanism, the upper ends of the ejection connecting rods (3) are rotatably connected with the lower end of a lifting plate (2), the lower ends of the ejection connecting rods (3) are rotatably connected with a sliding strip (5), each ejection connecting rod (3) is provided with a support connecting rod (4), one end of each support connecting rod (4) is rotatably connected with a base (6), and the other end of each support connecting rod is obliquely supported on the ejection connecting rods (3) and is rotatably connected with the rod body of each ejection connecting rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122549787.5U CN215936862U (en) | 2021-10-22 | 2021-10-22 | Waist ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122549787.5U CN215936862U (en) | 2021-10-22 | 2021-10-22 | Waist ejecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215936862U true CN215936862U (en) | 2022-03-04 |
Family
ID=80414029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122549787.5U Active CN215936862U (en) | 2021-10-22 | 2021-10-22 | Waist ejecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215936862U (en) |
-
2021
- 2021-10-22 CN CN202122549787.5U patent/CN215936862U/en active Active
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