CN214760141U - Semi-automatic lifting support bracket - Google Patents
Semi-automatic lifting support bracket Download PDFInfo
- Publication number
- CN214760141U CN214760141U CN202120967266.9U CN202120967266U CN214760141U CN 214760141 U CN214760141 U CN 214760141U CN 202120967266 U CN202120967266 U CN 202120967266U CN 214760141 U CN214760141 U CN 214760141U
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- CN
- China
- Prior art keywords
- lifting rod
- support bracket
- semi
- mounting frame
- trapezoidal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The utility model researches and develops a semi-automatic lifting support bracket, which comprises a support tube, wherein a chassis is fixedly arranged on the support tube above the chassis, a lifting rod is arranged above the support tube in a sliding manner, a support bracket cushion is fixedly arranged on the upper part of the lifting rod, and a damping component is arranged below the lifting rod; a plurality of trapezoidal teeth are arranged on the outer side of the lifting rod in an array mode, and a lifting assembly is fixedly mounted on the upper portion of the supporting tube; the lifting assembly comprises a mounting frame fixedly arranged at the upper end of the supporting tube, a trapezoidal gear is rotatably connected in the mounting frame, the lifting rod penetrates through the inner wall of the mounting frame, trapezoidal teeth on the side wall of the lifting rod are meshed with the trapezoidal gear, a driving assembly is arranged on the outer wall of the mounting frame, and a locking assembly is arranged in the mounting frame; the driving operation of the trapezoidal gear can be realized through the matching use of the driving assembly and the locking assembly, and meanwhile, the locking operation of the trapezoidal gear can be realized.
Description
Technical Field
The utility model relates to a support bracket technical field especially relates to a semi-automatic lift support bracket.
Background
The supporting bracket is a tool for supporting articles and workers, the height of the conventional supporting bracket is manually adjusted all the time if the height of the conventional supporting bracket is adjusted, the height of the conventional supporting bracket is fastened by a screw or limited by a punching inserted bar, the conventional supporting bracket has the objective defects of easy damage, non-linearity of adjustment and the like, the operation is complicated, the workload of related workers is greatly increased, and the semi-automatic lifting adjusting supporting bracket is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a semi-automatic lifting support bracket.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a semi-automatic lifting support bracket comprises a chassis, a support tube fixedly arranged above the chassis, a lifting rod arranged above the support tube in a sliding manner, a support bracket cushion fixedly arranged at the upper part of the lifting rod,
a damping component is arranged below the lifting rod;
a plurality of trapezoidal teeth are arranged on the outer side of the lifting rod in an array mode, and a lifting assembly is fixedly mounted on the upper portion of the supporting tube;
the lifting assembly comprises a mounting frame fixedly arranged at the upper end of the supporting tube, a trapezoidal gear is connected in the mounting frame in a rotating mode, the lifting rod penetrates through trapezoidal teeth on the inner wall of the mounting frame and the side wall of the mounting frame to be meshed with the trapezoidal gear, a driving assembly is installed on the outer wall of the mounting frame, and a locking assembly is installed in the mounting frame.
Preferably, the shock-absorbing assembly comprises a sliding positioning plate fixedly arranged below the lifting rod, a plurality of buffer springs are arranged below the sliding positioning plate, and elastic pads are fixedly arranged below the buffer springs together.
Preferably, the driving assembly comprises a first rotating plate which is rotatably connected to the outer portion of the mounting frame, a lower pawl is rotatably connected to the first rotating plate and is completely meshed with the trapezoidal gear, the lower pawl is rotatably connected to the first rotating plate through a second rotating bearing, and a second torsion spring is arranged between the lower pawl and the first rotating plate.
Preferably, the locking assembly comprises an upper pawl rotatably connected to the inner side wall of the mounting frame, a first torsion spring is sleeved outside the upper pawl, and the lower end of the upper pawl is completely meshed with the trapezoidal gear.
Preferably, the upper pawl and the mounting frame are rotatably connected through a first rotating bearing, and the first torsion spring is mounted on the outer side of the first rotating bearing.
Preferably, the bottom of chassis is provided with dull polish line, the installing frame passes through axis of rotation three rotation with the trapezoidal gear and is connected.
Compared with the prior art, the beneficial effects of the utility model are that:
the damping assembly is arranged in the process of adjusting the lifting rod, so that the buffer work of the bottom of the lifting rod can be realized, and the impact pressure of the bottom of the lifting rod is effectively reduced;
the lifting component can realize the lifting work of the lifting rod, so that a worker can realize the free adjustment work of the height of the cushion of the bearing bracket according to the actual requirement;
the driving work of the trapezoidal gear can be realized through the matching use of the driving assembly and the locking assembly, and meanwhile, the real-time locking work of the trapezoidal gear can be realized;
through the cooperation use of trapezoidal tooth and trapezoidal gear, carry out the pivoted in-process at trapezoidal gear, realized the lift work to the lifter, for the traditional mode that adopts the lifting screw fastening to go up and down, it is not only more convenient, effectively reduces intensity of labour, can easily operate alone, and stable in structure is safer.
Drawings
FIG. 1 is a schematic structural view of a semi-automatic elevating support bracket according to the present invention;
FIG. 2 is an enlarged view of a portion A of a semi-automatic elevating support bracket according to the present invention;
fig. 3 is a perspective view of a locking assembly of the semi-automatic lifting support bracket according to the present invention.
Fig. 4 is a schematic structural view of a shock-absorbing assembly of a semi-automatic lifting support bracket provided by the utility model.
Fig. 5 is a top view of the driving assembly and the locking assembly of the semi-automatic lifting support bracket according to the present invention.
In the figure: 1 chassis, 2 support bracket cushions, 3 support pipes, 4 lifting rods, 401 trapezoidal teeth, 5 mounting frames, 6 upper pawls, 601 torsion springs I, 602 rotating bearings I, 7 rotating plates I, 8 trapezoidal gears, 9 rotating bearings II, 10 lower pawls, 11 pressure rods, 12 torsion springs II, 13 rotating bearings III, 14 damping mechanisms, 1401 elastic pads, 1402 buffer springs and 1403 sliding positioning plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a semi-automatic lifting support bracket comprises a chassis 1, a support tube 3 fixedly arranged above the chassis 1, a lifting rod 4 arranged above the support tube 3 in a sliding manner, a support bracket cushion 2 fixedly arranged on the upper part of the lifting rod 4,
a damping component 14 is arranged below the lifting rod 4;
in the process of adjusting the lifting rod 4 through the arrangement of the damping component 14, the buffering work on the bottom of the lifting rod 4 can be realized, and further the pressure of the bottom impact of the lifting rod 4 is effectively reduced;
a plurality of trapezoidal teeth 401 are arranged on the outer side of the lifting rod 4 in an array mode, and a lifting assembly is fixedly mounted on the upper portion of the supporting tube 3;
the lifting component can realize the lifting work of the lifting rod 4, so that a worker can realize the free adjustment work of the height of the cushion 2 of the bearing bracket according to the actual requirement;
the lifting assembly comprises a mounting frame 5 fixedly arranged at the upper end of the supporting tube 3, a trapezoidal gear 8 is rotatably connected in the mounting frame 5, and the mounting frame 5 is rotatably connected with the trapezoidal gear 8 through a third rotating bearing 13;
the lifting rod 4 penetrates through the inner wall of the mounting frame 5, trapezoidal teeth 401 on the side wall of the lifting rod are meshed with a trapezoidal gear 8, a driving assembly is mounted on the outer wall of the mounting frame 5 and comprises a rotating plate I7 which is rotatably connected to the outer portion of the mounting frame 5, a lower pawl 10 is rotatably connected to the rotating plate I7, the lower pawl 10 is completely meshed with the trapezoidal gear 8, the lower pawl 10 is rotatably connected to the rotating plate I7 through a rotating bearing II 9, and a torsion spring II 12 is mounted between the lower pawl 10 and the rotating plate I7;
a locking component is arranged in the mounting frame 5;
the locking assembly comprises an upper pawl 6 which is rotatably connected to the inner side wall of the mounting frame 5, the upper pawl 6 and the mounting frame 5 are rotatably connected through a first rotating bearing 602, and a first torsion spring 601 is mounted on the outer side of the first rotating bearing 602;
the upper pawl 6 and the mounting frame 5 are rotatably connected through a first rotating bearing, and a first torsion spring 601 is mounted on the outer side of the first rotating bearing;
the shock absorption assembly 14 comprises a sliding positioning plate 1403 fixedly arranged below the lifting rod 4, a plurality of buffer springs 1402 are arranged below the sliding positioning plate 1403, and elastic pads 1401 are fixedly arranged below the plurality of buffer springs 1402;
the bottom of the chassis 1 is provided with frosted lines.
Through trapezoidal tooth 401 and trapezoidal gear 8's cooperation use, carry out the pivoted in-process at trapezoidal gear 8, realized the lift work to lifter 4, for the traditional mode that adopts the lifting screw fastening to go up and down, it is not only more convenient, effectively reduces intensity of labour, can easily operate alone, and stable in structure is safer.
The working principle is as follows:
when the lifting rod is used, the first rotating bearing is installed on the installation frame 5, the first upper pawl 6 and the first torsion spring 601 are installed on the first rotating bearing, the first upper pawl 6 can move on the shaft, meanwhile, the first torsion spring 601 applies downward force to the first upper pawl 6, the fact that the first upper pawl 6 slides on the trapezoidal gear 8 and is clamped in real time when the gear rotates clockwise is guaranteed, and the effect of the first upper pawl 6 limits the trapezoidal gear 8 to rotate anticlockwise, so that the lifting rod 4 is limited to slide downwards.
When the pressure lever 11 is lifted upwards, the first rotating plate 7 is driven to move synchronously, an upward force is applied to the lower pawl 10 due to the second torsion spring 12 arranged on the second rotating shaft connected with the lower pawl, the lower pawl 10 can slide on the trapezoidal gear 8 to follow and engage with the trapezoidal gear 8 in real time, meanwhile, when the pressure lever 11 moves downwards, the lower pawl 10 clamps the gear, the trapezoidal gear 8 is driven to move clockwise, the lifting rod 4 is driven to ascend, the upper pawl 6 keeps sliding on the trapezoidal gear 8 and keeps engaging with the trapezoidal gear 8 all the time under the action of the first torsion spring 601 when the trapezoidal gear 8 rotates clockwise, and the upper pawl 6 plays a limiting role when the position is static, so that the lifting rod 4 can stop at any position
When the lifting rod rises to the highest position, the pressing rod 11 is pushed upwards by hand, so that the first rotating plate 7 is driven to move upwards synchronously, the upper pawl 6 and the lower pawl 10 are lifted under the mutual contact extrusion force, the upper pawl 6 and the lower pawl 10 are separated from the occlusion with the trapezoidal gear 8, and at the moment, if the supporting bracket cushion 2 is pressed downwards, the supporting bracket cushion can slowly descend under the action of lower pressure.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A semi-automatic lifting support bracket comprises a chassis (1), a support tube (3) fixedly arranged above the chassis (1), a lifting rod (4) arranged above the support tube (3) in a sliding manner, and a support bracket cushion (2) fixedly arranged at the upper part of the lifting rod (4), and is characterized in that;
a damping component (14) is arranged below the lifting rod (4);
a plurality of trapezoidal teeth (401) are arranged on the outer side of the lifting rod (4) in an array mode, and a lifting assembly is fixedly mounted on the upper portion of the supporting tube (3);
lifting unit is including fixed installing frame (5) that sets up in stay tube (3) upper end, installing frame (5) internal rotation is connected with trapezoidal gear (8), lifter (4) pass on the inner wall of installing frame (5) and trapezoidal tooth (401) on its lateral wall and mesh mutually with trapezoidal gear (8) drive assembly is installed to the outer wall of installing frame (5) install locking Assembly in installing frame (5).
2. A semi-automatic lifting support bracket according to claim 1, characterized in that the shock-absorbing assembly (14) comprises a slide positioning plate (1403) fixedly arranged below the lifting rod (4), a plurality of buffer springs (1402) are mounted below the slide positioning plate (1403), and an elastic pad (1401) is fixedly mounted below the plurality of buffer springs (1402).
3. The semi-automatic lifting support bracket according to claim 1, characterized in that the driving assembly comprises a first rotating plate (7) rotatably connected to the outer part of the mounting frame (5), a lower pawl (10) is rotatably connected to the first rotating plate (7), the lower pawl (10) is completely meshed with the trapezoidal gear (8), the lower pawl (10) is rotatably connected to the first rotating plate (7) through a second rotating bearing (9), and a second torsion spring (12) is arranged between the lower pawl (10) and the first rotating plate (7).
4. A semi-automatic lifting support bracket according to claim 3, characterized in that said locking assembly comprises an upper pawl (6) rotatably connected to the inner side wall of the mounting frame (5), a torsion spring (601) is sleeved outside said upper pawl (6), and the lower end of said upper pawl (6) is completely engaged with the trapezoidal gear (8).
5. A semi-automatic lifting support bracket according to claim 4, characterized in that the upper pawl (6) and the mounting frame (5) are rotatably connected through a first rotary bearing (602), and the first torsion spring (601) is mounted on the outer side of the first rotary bearing (602).
6. A semi-automatic lifting support bracket according to claim 5, characterized in that the bottom of the chassis (1) is provided with frosted lines, and the mounting frame (5) is rotatably connected with the trapezoidal gear (8) through a third rotating shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120967266.9U CN214760141U (en) | 2021-05-08 | 2021-05-08 | Semi-automatic lifting support bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120967266.9U CN214760141U (en) | 2021-05-08 | 2021-05-08 | Semi-automatic lifting support bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214760141U true CN214760141U (en) | 2021-11-19 |
Family
ID=78692228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120967266.9U Expired - Fee Related CN214760141U (en) | 2021-05-08 | 2021-05-08 | Semi-automatic lifting support bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214760141U (en) |
-
2021
- 2021-05-08 CN CN202120967266.9U patent/CN214760141U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |