CN211511117U - Hand crank of lifting table - Google Patents
Hand crank of lifting table Download PDFInfo
- Publication number
- CN211511117U CN211511117U CN201921516538.2U CN201921516538U CN211511117U CN 211511117 U CN211511117 U CN 211511117U CN 201921516538 U CN201921516538 U CN 201921516538U CN 211511117 U CN211511117 U CN 211511117U
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- pivot
- virtual
- swinging piece
- pivot hole
- flange
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Abstract
The utility model provides a crank of lift table, including a body and a swing arm, the body can use a virtual pivot to rotate as the center, the body is provided with a first end and a second end opposite to first end along virtual pivot axial, the swing arm is including a swinging member and a hand (hold), the swinging member can use a virtual pivot to locate the second end as the center at first position and second position relative body rotation ground pivot, the hand (hold) is connected in the swinging member, the crank can avoid the evagination and can hang the article through foretell folding structure.
Description
Technical Field
The utility model mainly relates to a crank, in particular to a crank of a lifting table.
Background
Please refer to the patent of "lifting structure of table" in the patent No. 200820125209.0, which discloses a lifting structure of table, comprising: the desk comprises a shell, a desk body and a desk top, wherein the shell is internally provided with an accommodating space, one end of the shell is convexly provided with an inserting part, and the other end of the shell is provided with a combining part combined with the desk top; the transmission element is arranged in the accommodating space and comprises a transmission shaft which is transversely arranged on two sides of the shell; the adjusting device is used for inserting and fixing the inserting part and is provided with an adjusting screw rod which penetrates into the accommodating space and is linked with the transmission shaft, and the adjusting device and the table legs axially generate relative position movement relation.
The table is required to rotate the rocker when the height of the table is lifted, however, the rocker is completely useless in a state that the height of the table is not adjusted, but the rocker is arranged on the side edge of the table and protrudes out more than the table feet, and people easily miss the rocker when passing by.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a hand crank of a lifting table, which solves the technical problems in the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a hand crank of lift table which characterized in that, including:
the body can rotate by taking a virtual rotating shaft as a center, and is provided with a first end and a second end opposite to the first end along the axial direction of the virtual rotating shaft;
the swinging arm comprises a swinging piece and a handle, the swinging piece can be pivoted at the second end between a first position and a second position relative to the body by taking a virtual pivot as a center, and the handle is connected to the swinging piece.
The handle is oriented in a direction toward the first end when the swing member is in the first position, and the handle is oriented in a direction opposite to the first end when the swing member is in the second position.
The body is provided with a virtual reference plane, the virtual reference plane is vertical to the virtual rotating shaft, the virtual pivot is arranged on the virtual reference plane, when the swinging piece is at the first position, the handle and the first end are positioned at the same side of the virtual reference plane, and when the swinging piece is at the second position, the handle and the first end are respectively positioned at two opposite sides of the virtual reference plane.
The swing arm comprises a shaft pin, the shaft pin is inserted into the first pivot hole and the second pivot hole, the end surface of the second pivot part outside the second pivot hole is provided with a first flange, the first flange is inserted into the first concave edge when the swing element is at the first position or the second position.
The end face of the first pivot portion, which is located outside the first pivot hole and opposite to one end of the first concave edge, is provided with a second concave edge, the second concave edge extends along the radial direction of the virtual pivot and stretches across two sides of the first pivot hole, the swinging piece is provided with a third pivot portion, the third pivot portion is provided with a third pivot hole, the pivot pin is inserted into the first pivot hole, the second pivot hole and the third pivot hole simultaneously, the third pivot portion is arranged on one side, which is opposite to the second pivot portion, of the first pivot portion, the end face of the third pivot portion, which is located outside the third pivot hole, is provided with a second flange, the second flange extends along the radial direction of the virtual pivot and stretches across two sides of the third pivot hole, and when the swinging piece is located at the first position or the second position, the second flange is inserted into the second concave edge.
The swinging piece is arc-shaped, the second pivoting part is arranged at one end of the swinging piece, the third pivoting part is arranged at one end of the swinging piece opposite to the second pivoting part, the swinging piece is sleeved at the second end when the swinging piece is at the first position, and the swinging piece is positioned at the side edge of the body along the virtual rotating shaft when the swinging piece is at the second position.
Compared with the prior art, adopt above-mentioned technical scheme the utility model has the advantages of: the hand crank can avoid excessive outward protrusion and can hang objects through the folding structure.
Drawings
Fig. 1 is a perspective view of the lifting table with the handle of the lifting table of the present invention.
Fig. 2 is a three-dimensional exploded view of the lifting table of the present invention with the handle separated from the lifting table.
Fig. 3 is a three-dimensional exploded view of the handle of the lifting table of the present invention.
Fig. 4 is a perspective exploded view of the handle of the lifting table of the present invention from another viewing angle.
Fig. 5 is a sectional structure view of the handle of the lifting table of the present invention.
Fig. 6 is a sectional structure view of the rocking handle oscillating piece of the lifting table of the present invention, which is partially enlarged at the first position.
Fig. 7 is a sectional structure view of the rocking handle oscillating piece of the lifting table of the present invention, which is partially enlarged at the second position.
Fig. 8 is a sectional view of the rocking handle of the lifting table of the present invention at the first position and at another angle.
Fig. 9 is a cross-sectional view of the rocking handle swinging member of the lifting table of the present invention at another viewing angle in the second position.
Description of reference numerals: 10 a hand crank; 20 a body; 21 a first end; 22 a second end; 23 a first pivot part; 231 first pivot holes; 232 a first recessed edge; 233 second recessed edge; 30 swing arms; 31 a swinging member; 32 handles; 33 a second pivot part; 331 a second pivot hole; 332 a first flange; 34 shaft pins; 35 a third pivot portion; 351 a third pivot hole; 352 second flange; 90 lifting the table; l virtual rotating shaft; c, virtual pivot; and B, a virtual reference plane.
Detailed Description
Referring to fig. 1 to 4, there are shown a perspective view of the lifting table with the handle of the lifting table combined thereto, a perspective exploded view of the lifting table separated therefrom, and a perspective exploded view of the handle of the lifting table. The utility model discloses a hand crank 10 comprises a body 20 and a swing arm 30; wherein:
the body 20 can rotate around a virtual rotation axis L, and the body 20 is provided with a first end 21 and a second end 22 opposite to the first end 21 along the axial direction of the virtual rotation axis L.
Please refer to fig. 5 to 9, which are sectional structural views of the crank of the lifting table of the present invention. The swing arm 30 includes a swing member 31 and a handle 32, the swing member 31 is pivotally disposed at the second end 22 between a first position and a second position with respect to the body 20 about a virtual pivot C, the handle 32 is connected to the swing member 31, the handle 32 faces the first end 21 when the swing member 31 is in the first position, and the handle 32 faces the opposite direction of the first end 21 when the swing member 31 is in the second position.
The body 20 is provided with a virtual reference plane B perpendicular to the virtual rotation axis L, the virtual pivot C is on the virtual reference plane B, when the swinging member 31 is in the first position, the handle 32 and the first end 21 are located on the same side of the virtual reference plane B, and when the swinging member 31 is in the second position, the handle 32 and the first end 21 are located on opposite sides of the virtual reference plane B.
The body 20 is provided with a first pivot portion 23 at the second end 22, the first pivot portion 23 is provided with a first pivot hole 231, the first pivot hole 231 extends along the axial direction of the virtual pivot C, the end surface of the first pivot portion 23 outside the first pivot hole 231 is provided with a first concave edge 232, and the first concave edge 232 extends along the radial direction of the virtual pivot C and crosses two sides of the first pivot hole 231.
The swinging member 31 has a second pivot portion 33, the second pivot portion 33 has a second pivot hole 331, the swinging arm 30 includes a shaft pin 34, the shaft pin 34 is inserted into the first pivot hole 231 and the second pivot hole 331 at the same time, the end surface of the second pivot portion 33 outside the second pivot hole 331 has a first flange 332, the first flange 332 extends along the radial direction of the virtual pivot C and crosses both sides of the second pivot hole 331, and when the swinging member 31 is at the first position or the second position, the first flange 332 is inserted into the first concave edge 232.
The end surface of the first pivot portion 23 opposite to the first concave edge 232 outside the first pivot hole 231 is provided with a second concave edge 233, the second concave edge 233 extends along the radial direction of the virtual pivot C and crosses both sides of the first pivot hole 231, the swinging member 31 is provided with a third pivoting portion 35, the third pivoting portion 35 is provided with a third pivoting hole 351, the shaft pin 34 is inserted into the first pivot hole 231, the second pivot hole 331 and the third pivot hole 351 at the same time, the third pivot portion 35 is disposed on the opposite side of the first pivot portion 23 from the second pivot portion 33, the end surface of the third pivot portion 35 outside the third pivot hole 351 is provided with a second flange 352, the second flange 352 extends in the radial direction of the virtual pivot C and crosses both sides of the third pivot hole 351, when the swinging member 31 is at the first position or the second position, the second flange 352 is inserted into the second concave edge 233.
The swinging member 31 is arc-shaped, the second pivot portion 33 is disposed at one end of the swinging member 31, the third pivot portion 35 is disposed at an end of the swinging member 31 opposite to the second pivot portion 33, when the swinging member 31 is at the first position, the swinging member 31 is sleeved at the second end 22, and when the swinging member 31 is at the second position, the swinging member 31 is located at a side edge of the body 20 along the virtual rotation axis L.
The hand crank 10 can be connected to the lifting table 90 and controls the lifting of the table top, the hand crank 10 can be prevented from being protruded outwards through the folding structure, and objects can be hung after the hand crank 10 is folded.
Just above can conclude the utility model has the advantages of it is following:
1. the utility model discloses the crank of lift table, wherein the crank is including a body and a swing arm, this body can use a virtual pivot to rotate as the center, this body is provided with a first end and a second end opposite to this first end along this virtual pivot axial, this swing arm is including a swing piece and a hand (hold), this swing piece can use a virtual pivot to locate this second end as the center between primary importance and second place this body rotation ground pivot relatively, this hand (hold) is connected in this swing piece, this crank can avoid too evagination and can hang the article through foretell structure of folding up.
Claims (6)
1. The utility model provides a hand crank of lift table which characterized in that, including:
the body can rotate by taking a virtual rotating shaft as a center, and is provided with a first end and a second end opposite to the first end along the axial direction of the virtual rotating shaft;
the swinging arm comprises a swinging piece and a handle, the swinging piece can be pivoted at the second end between a first position and a second position relative to the body by taking a virtual pivot as a center, and the handle is connected to the swinging piece.
2. A hand crank for a lifting table as claimed in claim 1, wherein: the handle is oriented in a direction toward the first end when the swing member is in the first position, and the handle is oriented in a direction opposite to the first end when the swing member is in the second position.
3. A hand crank for a lifting table as claimed in claim 2, wherein: the body is provided with a virtual reference plane, the virtual reference plane is vertical to the virtual rotating shaft, the virtual pivot is arranged on the virtual reference plane, when the swinging piece is at the first position, the handle and the first end are positioned at the same side of the virtual reference plane, and when the swinging piece is at the second position, the handle and the first end are respectively positioned at two opposite sides of the virtual reference plane.
4. A hand crank for a lifting table as claimed in claim 2 or 3, wherein: the swing arm comprises a shaft pin, the shaft pin is inserted into the first pivot hole and the second pivot hole, the end surface of the second pivot part outside the second pivot hole is provided with a first flange, the first flange extends along the radial direction of the virtual pivot and stretches across two sides of the second pivot hole, the end surface of the second pivot part outside the virtual pivot hole is provided with a second flange, the first flange stretches along the radial direction of the virtual pivot and stretches across two sides of the second pivot hole, and when the swing part is at the first position or the second position, the first flange is inserted into the first flange.
5. The hand crank of a lifting table as claimed in claim 4, wherein: the end face of the first pivot part, which is opposite to one end of the first concave edge, outside the first pivot hole is provided with a second concave edge, the second concave edge extends along the radial direction of the virtual pivot and stretches across two sides of the first pivot hole, the swinging piece is provided with a third pivot part, the third pivot part is provided with a third pivot hole, the pivot pin is simultaneously inserted in the first pivot hole, the second pivot hole and the third pivot hole, the third pivot part is arranged on one side, which is opposite to the second pivot part, of the first pivot part, the end face of the third pivot part, which is outside the third pivot hole, is provided with a second flange, the second flange extends along the radial direction of the virtual pivot and stretches across two sides of the third pivot hole, and when the swinging piece is arranged at the first position or the second position, the second flange is inserted in the second concave edge.
6. A hand crank for a lifting table as claimed in claim 5, wherein: the swinging piece is arc-shaped, the second pivoting part is arranged at one end of the swinging piece, the third pivoting part is arranged at one end of the swinging piece opposite to the second pivoting part, the swinging piece is sleeved at the second end when the swinging piece is at the first position, and the swinging piece is positioned at the side edge of the body along the virtual rotating shaft when the swinging piece is at the second position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921516538.2U CN211511117U (en) | 2019-09-11 | 2019-09-11 | Hand crank of lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921516538.2U CN211511117U (en) | 2019-09-11 | 2019-09-11 | Hand crank of lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211511117U true CN211511117U (en) | 2020-09-18 |
Family
ID=72458894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921516538.2U Active CN211511117U (en) | 2019-09-11 | 2019-09-11 | Hand crank of lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211511117U (en) |
-
2019
- 2019-09-11 CN CN201921516538.2U patent/CN211511117U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |