CN215903458U - Three-level switching mechanism for rotation angle of supporting plate - Google Patents
Three-level switching mechanism for rotation angle of supporting plate Download PDFInfo
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- CN215903458U CN215903458U CN202120533806.2U CN202120533806U CN215903458U CN 215903458 U CN215903458 U CN 215903458U CN 202120533806 U CN202120533806 U CN 202120533806U CN 215903458 U CN215903458 U CN 215903458U
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- pin shaft
- support plate
- arc
- shaped guide
- supporting plate
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Abstract
The utility model relates to the technical field of machinery. The three-level switching mechanism for the rotation angle of the supporting plate comprises an upright post; the support plate is hinged with the upright post through a first pin shaft, a second pin shaft arranged in parallel with the first pin shaft is further mounted on the support plate, and an arc-shaped guide groove for guiding the motion track of the second pin shaft in the process that the support plate rotates around the first pin shaft is formed in the upright post; the central angle of the arc-shaped guide groove positioned at the lowest part in all the arc-shaped guide grooves is smaller than that of the other arc-shaped guide grooves; the arc-shaped guide groove positioned at the lowest part is matched with the lower end parts of the other arc-shaped guide grooves; adjacent support plates in all the support plates are in transmission connection through a connecting piece penetrating through the second pin shaft, and an open slot for providing a motion space for the second pin shaft is formed in the connecting piece; the first pin shaft is further sleeved with a torsional spring for resetting the supporting plate. After the supporting plates are stressed, linkage adjustment of the adjacent supporting plates can be achieved.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to angle adjustment of a supporting plate.
Background
For workpieces such as a rack, the support plate is a member for supporting the workpiece. The existing supporting plate is often fixedly arranged on the rack and cannot realize the adjustment and switching of the rotating angle.
Meanwhile, a switching mechanism capable of realizing linkage of the rotation angles of the adjacent supporting plates is also lacking at present.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a three-stage switching mechanism for the rotation angle of a supporting plate, so as to solve at least one technical problem.
In order to achieve the above object, the present invention provides a three-stage switching mechanism for a rotation angle of a support plate, comprising a column, wherein the column comprises a left side plate, a rear side plate and a right side plate which are connected in sequence;
the support plate is hinged with the upright post through a first pin shaft, a second pin shaft arranged in parallel with the first pin shaft is further mounted on the support plate, and an arc-shaped guide groove used for guiding the motion track of the second pin shaft in the process that the support plate rotates around the first pin shaft is formed in the upright post;
the central angle of the arc-shaped guide groove positioned at the lowest part in all the arc-shaped guide grooves is smaller than that of the other arc-shaped guide grooves; the arc-shaped guide groove positioned at the lowest part is matched with the lower end parts of the other arc-shaped guide grooves;
adjacent support plates in all the support plates are in transmission connection through a connecting piece penetrating through a second pin shaft, and an open slot for providing a motion space for the second pin shaft is formed in the connecting piece;
and the first pin shaft is also sleeved with a torsional spring for resetting the supporting plate.
After the supporting plates are stressed, linkage adjustment of the adjacent supporting plates can be achieved. The supporting plate positioned at the lowest position can realize two-stage switching between the horizontal supporting state and the semi-retracted state. The rest support plates can realize three-level switching of horizontal support, a semi-retracted state and a storage state.
Preferably, one torsion spring arm of the torsion spring abuts against the inner wall of the upright post, and the other torsion spring arm of the torsion spring abuts against the second pin shaft and is located in the area between the second pin shaft and the support plate.
The resetting of the supporting plate is convenient.
Further preferably, the open slot is a waist-round hole with the length direction parallel to the connecting sheet.
The linkage of adjacent supporting plates is convenient in the movement process of the supporting plates.
Preferably, the support plates include a first support plate, a second support plate and a third support plate which are arranged in sequence from top to bottom;
the connecting pieces comprise a first connecting piece and a second connecting piece which are arranged from top to bottom, and all the connecting pieces are alternately arranged on the left side and the right side from top to bottom;
the first connecting piece is used for penetrating through a second pin shaft on the first supporting plate and a second pin shaft on the second supporting plate;
the second connecting piece is used for penetrating through a second pin shaft on the second supporting plate and a second pin shaft on the third supporting plate.
The transmission of adjacent backup pad is convenient for realize through the connection piece.
Preferably, a groove embedded into the top of the supporting plate below is formed in the bottom of the supporting plate away from the first pin shaft.
The adjacent supporting plates are convenient to be tightly attached.
Further preferably, an outer convex arc-shaped curved surface is arranged at the bottom of the supporting plate and on the side, away from the first pin shaft, of the groove.
The workpiece is convenient to lift upwards and take out.
Further preferably, a pressing mechanism for pressing down the workpiece placed on the uppermost supporting plate is mounted at the top of the upright post.
The placing stability of the workpiece is convenient to improve.
Further preferably, the pressing mechanism is a clamp.
Further preferably, the end of the support plate remote from the end hinged to the upright is covered with a rubber layer.
Reduce the abrasion of the contact part with the workpiece.
Further preferably, a PE block is mounted on the inner side of the upright;
the top of the PE block is a guide part which inclines downwards from back to front.
The guide of the work piece vertical pendulum-in of being convenient for, in addition, avoid the wearing and tearing of work piece through the PE material.
Further preferably, the upright column comprises a U-shaped main frame, a left baffle and a right baffle, the arc-shaped guide groove is formed in the left side and the right side of the main frame, and the left baffle and the right baffle are used for shielding the arc-shaped guide groove;
the left baffle and the right baffle are detachably connected with the main frame through bolts.
The protection of the arc-shaped guide groove is realized.
Further preferably, the two support plate rotation angle three-stage switching mechanisms are arranged oppositely front and back.
The three-level switching mechanism for the rotating angles of the supporting plates is combined for use, so that the workpiece can be supported.
Drawings
Fig. 1 is a partial schematic structural view of a bottom support plate in a semi-retracted state according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
fig. 3 is a partial structural view of the bottom support plate in a supporting state according to embodiment 1 of the present invention;
fig. 4 is a partial structural schematic view of the lowermost supporting plate converted from the semi-retracted state to the supporting state according to embodiment 1 of the present invention;
fig. 4 (a) is a partial schematic structural view of a lowermost supporting plate in a semi-retracted state according to embodiment 1 of the present invention;
fig. 4 (B) is a partial structural view of the bottom support plate in the supporting state according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a combination of four supporting plate rotation angle three-stage switching mechanisms according to embodiment 1 of the present invention;
FIG. 6 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 7 is a partial structural schematic diagram of embodiment 1 of the present invention.
Wherein: 7 is a three-level switching mechanism of the rotation angle of the supporting plate, 301 is a left baffle, 302 is a main frame, 303 is a right baffle, 304 is a clamp, 305 is a second PE block, 306 is a second hexagon socket head cap screw, 307 is a countersunk head screw, 308 is a second hexagon socket head cap screw, 310 is a first pin, 312 is a first connecting piece, 313 is a second pin, 314 is a first supporting plate, 315 is a torsion spring, 316 is a second connecting piece, 317 is a second supporting plate, 318 is a third supporting plate, 319 is a pin shaft hole, 320 is an arc-shaped guiding groove, and 321 is a bottom guiding groove.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
In specific embodiment 1, referring to fig. 1 to 7, the three-level switching mechanism for the rotation angle of the supporting plate comprises an upright post, wherein the upright post comprises a left side plate, a rear side plate and a right side plate which are sequentially connected; the device also comprises at least three support plates arranged from top to bottom, and the support plates are hinged with the upright posts through first pin shafts 310. A pin shaft hole 319 for the first pin shaft to pass through is formed on the upright column. A second pin shaft 313 which is arranged in parallel with the first pin shaft 310 is further arranged on the supporting plate, and an arc-shaped guide groove 320 for guiding the motion track of the second pin shaft 313 in the rotating process of the supporting plate around the first pin shaft 310 is formed in the upright column; the central angle of the arc-shaped guide groove positioned at the lowest position in all the arc-shaped guide grooves 320 is smaller than that of the other arc-shaped guide grooves; and the arc-shaped guide groove (bottom guide groove 321) positioned at the lowest part is matched with the lower end parts of the other arc-shaped guide grooves; adjacent support plates in all the support plates are in transmission connection through a connecting piece penetrating through the second pin shaft 313, and an open slot for providing a motion space for the second pin shaft 313 is formed in the connecting piece; the first pin 310 is further sleeved with a torsion spring 315 for supporting the plate to return. One torsion spring arm of the torsion spring 315 abuts against the inner wall of the upright post 3, and the other torsion spring arm of the torsion spring 315 abuts against the second pin 313 and is located in the area between the second pin 313 and the support plate 4. Facilitating the repositioning of the support plate 4.
After the supporting plates are stressed, linkage adjustment of the adjacent supporting plates can be achieved. The supporting plate positioned at the lowest position can realize two-stage switching between the horizontal supporting state and the semi-retracted state. The rest support plates can realize three-level switching of horizontal support, a semi-retracted state and a storage state.
The three-stage switching mechanism 7 with the rotation angle of the two supporting plates is arranged in a front-back opposite mode. The three-level switching mechanism for the rotating angles of the supporting plates is combined for use, so that the workpiece can be supported.
When the first workpiece is put down, the downward pressure of the workpiece is greater than the torsion of the torsion spring 315, and the lowest support plate is pressed to be parallel to the ground. After a workpiece is placed, the supporting plate at the lowest part is pressed down to be parallel to the ground, the penultimate supporting plate is automatically pulled down to be in a semi-retracted state, and the rest is done in the same way until all the supporting plates are fully filled with the workpieces.
The backup pad is in under the state of accomodating, and the orthographic projection region of backup pad is located the orthographic projection region of stand.
Under the state that the supporting plate is in the half-folding state, the orthographic projection area of the supporting plate is far away from the orthographic projection area of the first pin shaft side and is exposed outside the upright post.
When the material is taken out, the uppermost workpiece is taken out from the support plate, the support plate is automatically lifted upwards to a semi-retracted state by the force of the torsion spring 315, and the second pin shaft 313 moves to the middle position of the arc-shaped guide groove along the arc-shaped guide groove. When a second workpiece is grabbed, the second support plate is automatically lifted upwards to a semi-retracted state through the force of the torsion spring 315, at the moment, the uppermost support plate rebounds to the retracted state through the torsion spring 315, and the second pin shaft 313 moves to the top position of the arc-shaped guide groove along the arc-shaped guide groove. Repeating the above steps can smoothly take out the complete workpiece.
The central angle of the arc-shaped guide groove (bottom guide groove 321) positioned at the lowermost position among all the arc-shaped guide grooves is not larger than half of the central angle of the remaining arc-shaped guide grooves.
The central angle of the arc-shaped guide groove (bottom guide groove 321) positioned at the lowest position in all the arc-shaped guide grooves is 25-35 degrees. Preferably 31.
The central angle of all the arc-shaped guide grooves except the arc-shaped guide groove at the lowest part is 60-78 degrees. Preferably 69.
In the storage state, the included angle between the supporting surface of the supporting plate and the horizontal plane is 69 degrees. In a semi-retracted state, the supporting surface of the supporting plate forms an included angle of 31 degrees with the horizontal plane. In the supporting state, the supporting surface of the supporting plate is parallel to the horizontal plane.
The open slot is a waist round hole with the length direction parallel to the connecting piece. The linkage of adjacent supporting plates is convenient in the movement process of the supporting plates.
The supporting plates comprise a first supporting plate 314, a second supporting plate 317 and a third supporting plate 318 which are arranged from top to bottom in sequence; the connecting pieces comprise a first connecting piece 312 and a second connecting piece 316 which are arranged from top to bottom, and all the connecting pieces are alternately arranged on the left side and the right side from top to bottom; the first connecting piece 312 is used for passing through a second pin 313 on the first supporting plate 314 and a second pin 313 on the second supporting plate 317; the second connecting piece 316 is used to pass through the second pin 313 on the second support plate 317 and the second pin 313 on the third support plate 318. The transmission of adjacent backup pad is convenient for realize through the connection piece.
An outer convex part extending upwards is arranged at the top of the supporting plate far away from the first pin shaft; the bottom of the supporting plate, which is far away from the first pin shaft, is provided with a groove embedded into the outer convex part of the supporting plate positioned below; the lower surface of the end part of the support plate far away from the first pin shaft side is provided with a guide surface which inclines upwards from the side near the first pin shaft to the side far away from the second pin shaft side; the guide surface is disposed adjacent to the recessed groove. Through the groove, the adjacent supporting plates are convenient to cling to each other in the storage state, and the workpieces are convenient to lift upwards and take out through the convex arc-shaped curved surfaces.
The end of the support plate, which is far away from the end hinged with the upright post, is covered with a rubber layer. Reduce the abrasion of the contact part with the workpiece. The support plate is a rubberized support plate.
And a pressing mechanism for pressing down the workpiece placed on the uppermost supporting plate is installed at the top of the upright post. The placing stability of the workpiece is convenient to improve. The hold-down mechanism is a clamp 304. The upright post 3 comprises a U-shaped main frame 302, a left baffle 301 and a right baffle 303, the arc-shaped guide grooves are formed in the left side and the right side of the main frame 302, and the left baffle 301 and the right baffle 303 are used for shielding the arc-shaped guide grooves. The left baffle and the right baffle are detachably connected with the main frame 302 through a countersunk head bolt 307. The main frame is detachably connected with the base plate 1 through a second hexagon socket head cap screw 308.
A second PE block 305 is mounted on the inside of the upright 3. The top of the second PE block 305 is a leading portion that slopes downward from the outside to the inside. The guide of the work piece vertical pendulum-in of being convenient for, in addition, avoid the mutual wearing and tearing between work piece and the work or material rest through the PE material. The second PE block 305 is detachably connected to the main frame 302 by a second hexagon socket head cap screw 306. The second PE block 305 is removably mounted to the right baffle. The right baffle comprises an installation part and a bending part which are perpendicular to each other, the installation part is attached to the side wall of the main frame, and the bending part is detachably connected with the second PE block.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. The three-level switching mechanism for the rotation angle of the supporting plate is characterized by comprising an upright post, wherein the upright post comprises a left side plate, a rear side plate and a right side plate which are sequentially connected;
the support plate is hinged with the upright post through a first pin shaft, a second pin shaft arranged in parallel with the first pin shaft is further mounted on the support plate, and an arc-shaped guide groove used for guiding the motion track of the second pin shaft in the process that the support plate rotates around the first pin shaft is formed in the upright post;
the central angle of the arc-shaped guide groove positioned at the lowest part in all the arc-shaped guide grooves is smaller than that of the other arc-shaped guide grooves; the arc-shaped guide groove positioned at the lowest part is matched with the lower end parts of the other arc-shaped guide grooves;
adjacent support plates in all the support plates are in transmission connection through a connecting piece penetrating through a second pin shaft, and an open slot for providing a motion space for the second pin shaft is formed in the connecting piece;
and the first pin shaft is also sleeved with a torsional spring for resetting the supporting plate.
2. The support plate rotation angle three-stage switching mechanism according to claim 1, wherein: the open slot is a waist-round hole with the length direction parallel to the connecting sheet.
3. The support plate rotation angle three-stage switching mechanism according to claim 1, wherein: the supporting plates comprise a first supporting plate, a second supporting plate and a third supporting plate which are arranged in sequence from top to bottom;
the connecting pieces comprise a first connecting piece and a second connecting piece which are arranged from top to bottom, and all the connecting pieces are alternately arranged on the left side and the right side from top to bottom;
the first connecting piece is used for penetrating through a second pin shaft on the first supporting plate and a second pin shaft on the second supporting plate;
the second connecting piece is used for penetrating through a second pin shaft on the second supporting plate and a second pin shaft on the third supporting plate.
4. The support plate rotation angle three-stage switching mechanism according to claim 1, wherein: an outer convex part extending upwards is arranged at the top of the supporting plate far away from the first pin shaft;
the bottom of the support plate, which is far away from the first pin shaft, is provided with a groove embedded into the outer convex part of the support plate below.
5. The support plate rotation angle three-stage switching mechanism according to claim 4, wherein: the lower surface of the end part of the support plate far away from the first pin shaft side is provided with a guide surface which inclines upwards from the side near the first pin shaft to the side far away from the second pin shaft;
the guide surface is disposed adjacent to the recessed groove.
6. The support plate rotation angle three-stage switching mechanism according to claim 1, wherein: and a pressing mechanism for pressing down the workpiece placed on the uppermost supporting plate is installed at the top of the upright post.
7. The support plate rotation angle three-stage switching mechanism of claim 6, wherein: the pressing mechanism is a clamp.
8. The support plate rotation angle three-stage switching mechanism according to claim 1, wherein: the inner side of the upright post is provided with a PE block;
the top of the PE block is a guide part which inclines downwards from back to front.
9. The support plate rotation angle three-stage switching mechanism according to claim 1, wherein: the upright column comprises a U-shaped main frame, a left baffle and a right baffle, the arc-shaped guide groove is formed in the left side and the right side of the main frame, and the left baffle and the right baffle are used for shielding the arc-shaped guide groove;
the left baffle and the right baffle are detachably connected with the main frame through bolts.
10. The support plate rotation angle three-stage switching mechanism according to claim 1, wherein: the three-stage switching mechanism with the rotation angle of the two supporting plates is arranged in a front-back opposite mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120533806.2U CN215903458U (en) | 2021-03-15 | 2021-03-15 | Three-level switching mechanism for rotation angle of supporting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120533806.2U CN215903458U (en) | 2021-03-15 | 2021-03-15 | Three-level switching mechanism for rotation angle of supporting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215903458U true CN215903458U (en) | 2022-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120533806.2U Active CN215903458U (en) | 2021-03-15 | 2021-03-15 | Three-level switching mechanism for rotation angle of supporting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215903458U (en) |
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2021
- 2021-03-15 CN CN202120533806.2U patent/CN215903458U/en active Active
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Address after: 201906 518 a, Fulian 2nd Road, Baoshan District, Shanghai Patentee after: SHANGHAI BAOSHAN DALU AUTO PARTS CO.,LTD. Address before: 201906 518 a, Fulian 2nd Road, Baoshan District, Shanghai Patentee before: Shanghai Baoshan continental Auto Parts Co.,Ltd. |