CN219668104U - Lifting and crushing mechanism - Google Patents
Lifting and crushing mechanism Download PDFInfo
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- CN219668104U CN219668104U CN202320833172.1U CN202320833172U CN219668104U CN 219668104 U CN219668104 U CN 219668104U CN 202320833172 U CN202320833172 U CN 202320833172U CN 219668104 U CN219668104 U CN 219668104U
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- rocker arm
- motor
- lift
- lifting
- pin shaft
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- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000000354 decomposition reaction Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a lifting crushing mechanism which comprises a motor, a rocker arm, a linkage rod and a lifting seat for fixing an automobile lifting device, wherein one end of the rocker arm is connected with a rotating shaft of the motor, the other end of the rocker arm is hinged with one end of the linkage rod, the other end of the linkage rod is hinged with the lifting seat, a pin shaft is arranged on the rotating shaft of the motor along the axial direction, one end of the rocker arm is arranged on the pin shaft, a positioning turntable is arranged between the rotating shaft and one end of the rocker arm on the pin shaft, the positioning turntable is matched with the rocker arm through a key groove arranged along the axial direction, and a compression elastic piece is arranged between one end of the rocker arm and the positioning turntable on the pin shaft. The lifting crushing mechanism is reasonable in structural design, the crushing structure is integrally arranged at the joint of the motor and the end part of the rocker arm, the downward pressure is realized by overcoming the resistance of the positioning turntable arranged on the rotating shaft of the motor, the positioning turntable is rotated to release the downward pressure, the structure is simple, and the cost is relatively low; and is stable and reliable.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a lifting and crushing mechanism.
Background
Automobiles are important tools for people to enjoy the pleasure of driving the automobiles, and meanwhile, people pursue the comfort, technological sense and taste of the automobiles; in order to improve the technological sense of the automotive interior, an automotive display screen and a loudspeaker are designed to be liftable; in order to avoid the damage of the lifting structure by external pressure, the lifting structure needs to be provided with a crushing structure when the display screen and the loudspeaker are subjected to the external pressure, so that the lower pressure can be buffered and relieved, and the lifting structure is protected.
The lifting mechanism of the loudspeaker disclosed in the Chinese patent CN110049389A comprises a shell, a motor fixed on the shell, a driving gear arm driven by the motor to rotate, a connecting rod connected with the driving gear arm in a sliding manner, and a moving part hinged with the connecting rod, wherein the loudspeaker is arranged at the moving part. The buffer decomposition downward pressure is realized by arranging a chute on the connecting rod and matching with the torsion spring; the structure is complex, and the cost is relatively high. As another example, chinese patent CN218416599U discloses a lifting speaker mechanism, which comprises a housing, a motor, a crank, a connecting arm and a lifting base for positioning the speaker, wherein the lifting base is provided with a lifting corresponding housing, one end of the crank is connected with the motor, the connecting arm comprises a lower connecting arm and an upper connecting arm, the lower end of the lower connecting arm is hinged with the other end of the crank, the upper end of the upper connecting arm is hinged with the lifting base, the lower end of the upper connecting arm is hinged with the upper end of the lower connecting arm, and the lifting base is positioned by an elastic clamping structure which can be buffered by external force; the structure is complex, the manufacture is tedious, and the cost is relatively high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the lifting crushing mechanism so as to achieve the purposes of simple structure and relatively low cost.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the lifting crushing mechanism comprises a motor, a rocker arm, a linkage rod and a lifting seat for fixing an automobile lifting device, wherein one end of the rocker arm is connected with a rotating shaft of the motor, the other end of the rocker arm is hinged with one end of the linkage rod, the other end of the linkage rod is hinged with the lifting seat, a pin shaft is arranged on the rotating shaft of the motor along the axial direction, one end of the rocker arm is arranged on the pin shaft, a positioning turntable is arranged between the rotating shaft and one end of the rocker arm on the pin shaft, a key groove is arranged between the positioning turntable and the rocker arm along the axial direction for matching, and a compression elastic piece is arranged between one end of the rocker arm and the positioning turntable on the pin shaft.
Further or preferred:
one end of the rocker arm is provided with a rocker arm end sleeve sleeved on the motor rotating shaft, and the positioning turntable and the compression elastic piece are both positioned in the rocker arm end sleeve.
The lifting seat lifting guide device is characterized by further comprising a guide structure for lifting guide of the lifting seat, wherein the guide structure is a guide rod structure or a guide rail structure.
The lifting seat is provided with a connecting plate, and the end part of the connecting plate is hinged with the upper end of the linkage rod.
The rocker arm end sleeve is of a cylindrical structure with an opening at the inner end, a through hole for a pin shaft to pass through is formed in the outer side of the rocker arm end sleeve, and an end cap for positioning the rocker arm end sleeve is arranged at the outer end of the pin shaft.
The compression elastic piece is a compression spiral spring, and the pin shaft penetrates through the compression spiral spring.
The inner end edge of the rocker arm end sleeve is provided with a limiting groove, the outer edge of the rotating shaft is provided with a limiting protrusion, and the limiting protrusion is positioned in the limiting groove.
An arc-shaped groove is formed in the outer end of the rotating shaft of the motor, and an arc-shaped protrusion matched with the arc-shaped groove is arranged on the positioning turntable.
The motor is characterized in that a fixing hole is formed in the axis of a rotating shaft of the motor, and the inner end of the pin shaft is fixed in the fixing hole.
A pair of bosses are arranged on the edge of the inner end of the rocker arm end sleeve, a limiting groove is formed between the bosses, a key groove is arranged on the inner wall of the boss, and a convex key matched with the key groove is arranged on the outer edge of the positioning turntable.
Compared with the prior art, the utility model has the following advantages:
the lifting crushing mechanism is reasonable in structural design, the crushing structure is integrally arranged at the joint of the motor and the end part of the rocker arm, the downward pressure is realized by overcoming the resistance of the positioning turntable arranged on the rotating shaft of the motor, the positioning turntable is rotated to release the downward pressure, the structure is simple, and the cost is relatively low; and is stable and reliable.
Drawings
The contents and the marks in the drawings expressed in the drawings of the present specification are briefly described as follows:
fig. 1 is a schematic view of the present utility model in a lowered state.
Fig. 2 is a schematic view of the present utility model in a raised state.
Fig. 3 is a second schematic view of the raised state of the present utility model.
Fig. 4 is a schematic view of the motor and rocker arm in the lowered state of the present utility model.
Fig. 5 is a schematic view of the rocker arm of fig. 4 with the rocker arm removed.
Fig. 6 is a schematic view of fig. 5 with the compression spring removed and the positioning turntable.
Fig. 7 is a schematic view of a swing arm and motor shaft according to the present utility model.
Fig. 8 is a schematic view of the lift state motor and rocker arm of the present utility model.
Fig. 9 is a schematic view of the rocker arm of fig. 8 with the rocker arm removed.
FIG. 10 is a schematic view of the positioning turntable during crushing of the present utility model.
In the figure:
1. base, 2, rocker arm, 201, rocker arm end sleeve, 2011, boss, 2012, keyway, 3, motor, 4, linkage, 5, lifting seat, 501, connecting plate, 6, pin shaft, 7, rotating shaft, 701, limit boss, 702, arc-shaped groove, 8, positioning turntable, 801, convex key, 802, arc-shaped boss, 9, compression spring and 10 guide rod.
Detailed Description
The following description of the embodiments of the present utility model refers to the accompanying drawings, which illustrate in further detail.
As shown in fig. 1 to 10, the lifting and crushing mechanism comprises a base 1, a motor 3, a rocker arm 2, a linkage rod 4 and a lifting seat 5 for fixing an automobile lifting device, wherein the automobile lifting device can be a display screen, a loudspeaker or a mobile phone support and the like, and is arranged on the lifting seat to realize a lifting function.
The motor 3 sets up on base 1, installs whole mechanism through the base, and the one end of rocking arm 2 links to each other with the pivot 7 of motor, and the other end of rocking arm links to each other with the one end of trace 4 is articulated, and the other end of trace links to each other with lifting seat 5 is articulated, and the pivot of motor is equipped with round pin axle 6 along the axial, and the one end of rocking arm is established at epaxial, is equipped with positioning turntable 8 between the one end of pivot and rocking arm on the round pin axle, through setting up the keyway cooperation along the axial between positioning turntable and the rocking arm, is equipped with compression elastic component between rocking arm one end and the positioning turntable on the round pin axle.
The base is also provided with a guide structure for lifting and guiding the lifting seat, and the guide structure is a guide rod structure or a guide rail structure. Preferably, the guide rod structure is adopted, a group of guide rods are arranged on the base, guide holes for the guide rods 10 to pass through are formed in the lifting seat, and the lifting seat is stable and reliable in lifting.
The positioning turntable is extruded on the motor rotating shaft by the compression elastic piece, the motor rotating shaft is attached to the positioning turntable, the motor works, the motor rotating shaft rotates to drive the positioning turntable to rotate, so that the rocker arm is driven to rotate, and the lifting seat is driven to lift by the linkage rod, so that the normal lifting work of the automobile lifting device is realized; when the automobile lifting device receives the downward pressure, the downward pressure realizes the rotation of the positioning turntable by overcoming the resistance between the motor rotating shaft and the positioning turntable, so that the mechanical damage of the structure is avoided, the structure is simple, and the cost is relatively low.
The lifting seat is provided with a connecting plate 501, the end part of the connecting plate is hinged with the upper end of the linkage rod, and the connection is simple and convenient. One end of the rocker arm is provided with a rocker arm end sleeve 201 sleeved on the motor rotating shaft, the positioning turntable and the compression elastic piece are both positioned in the rocker arm end sleeve, the rocker arm end sleeve and the rocker arm body are of an integrated structure, and the positioning turntable and the compression elastic piece are integrally arranged in the rocker arm end sleeve, so that the structure is compact.
Preferably, the compression elastic piece is a compression spiral spring 9, the pin shaft penetrates through the compression spiral spring, the rocker arm end sleeve is of a cylindrical structure with an inner end opening, a through hole for the pin shaft to penetrate through is formed in the outer side of the rocker arm end sleeve, and an end cap for positioning the rocker arm end sleeve is arranged at the outer end of the pin shaft; a fixed hole is formed in the axis of the rotating shaft of the motor, and the inner end of the pin shaft is fixed in the fixed hole; the integrated arrangement is compact in structure.
The inner end edge of the rocker arm end sleeve is provided with a limit groove, the outer edge of the rotating shaft 7 is provided with a limit bulge 701, and the limit bulge is positioned in the limit groove. Further, a pair of bosses 2011 are arranged on the edge of the inner end of the rocker arm end sleeve, a limiting groove is formed between the bosses, a key groove 2012 is arranged on the inner wall of the boss 2011, and a convex key 801 matched with the key groove is arranged on the outer edge of the positioning turntable; the crushing stroke can be limited through the limit of the limit bulge and the limit groove, and the crushing device is stable and reliable.
In order to improve the stability of the normal lifting operation of the mechanism, an arc groove 702 is formed in the outer end of a rotating shaft of the motor, an arc protrusion 802 matched with the arc groove is arranged on the positioning turntable, the rotating shaft of the motor drives the rocker arm to normally rotate through the matching of the arc groove and the arc protrusion, the linkage rod drives the lifting seat to move in a lifting mode, and the lifting operation of the automobile lifting device is stable and reliable.
When the automobile lifting device arranged on the lifting seat receives external force, the downward pressing acting force acts on the positioning turntable through the linkage rod and the rocker arm, the positioning turntable overcomes the resistance between the arc structures and rotates relative to the motor rotating shaft, as shown in fig. 10, the positioning turntable moves outwards in the rocker arm end sleeve, the positioning turntable rotates to further squeeze the compression spring, the arc grooves are circumferentially arranged, the arc protrusions rotate to the next arc groove, the rocker arm rotates to buffer the downward pressure, the lifting structure is protected, the damage of the lifting structure is avoided, and the mechanism works stably and reliably.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and the above-described technical features may be arbitrarily combined to form a plurality of embodiments of the present utility model.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied to other applications without any modification, as long as the inventive concept and technical scheme are adopted.
Claims (10)
1. The utility model provides a lift crushing mechanism, includes motor, rocking arm, trace and is used for the lift seat of fixed car lifting device, the one end of rocking arm links to each other with the pivot of motor, and the other end of rocking arm links to each other with the one end hinge of trace, and the other end and the lift seat hinge of trace link to each other, its characterized in that: the rotating shaft of the motor is axially provided with a pin shaft, one end of the rocker arm is arranged on the pin shaft, a positioning rotary table is arranged between the rotating shaft and one end of the rocker arm on the pin shaft, the positioning rotary table is matched with the rocker arm through a key slot arranged along the axial direction, and a compression elastic piece is arranged between one end of the rocker arm and the positioning rotary table on the pin shaft.
2. The lift crush mechanism of claim 1, wherein: one end of the rocker arm is provided with a rocker arm end sleeve sleeved on the motor rotating shaft, and the positioning turntable and the compression elastic piece are both positioned in the rocker arm end sleeve.
3. The lift crush mechanism of claim 1, wherein: the lifting seat lifting guide device is characterized by further comprising a guide structure for lifting guide of the lifting seat, wherein the guide structure is a guide rod structure or a guide rail structure.
4. The lift crush mechanism of claim 1, wherein: the lifting seat is provided with a connecting plate, and the end part of the connecting plate is hinged with the upper end of the linkage rod.
5. The lift crush mechanism of claim 2, wherein: the rocker arm end sleeve is of a cylindrical structure with an opening at the inner end, a through hole for a pin shaft to pass through is formed in the outer side of the rocker arm end sleeve, and an end cap for positioning the rocker arm end sleeve is arranged at the outer end of the pin shaft.
6. The lift crush mechanism of claim 2, wherein: the compression elastic piece is a compression spiral spring, and the pin shaft penetrates through the compression spiral spring.
7. The lift crush mechanism of claim 2, wherein: the inner end edge of the rocker arm end sleeve is provided with a limiting groove, the outer edge of the rotating shaft is provided with a limiting protrusion, and the limiting protrusion is positioned in the limiting groove.
8. The lift crush mechanism of claim 2, wherein: an arc-shaped groove is formed in the outer end of the rotating shaft of the motor, and an arc-shaped protrusion matched with the arc-shaped groove is arranged on the positioning turntable.
9. The lift crush mechanism of claim 5, wherein: the motor is characterized in that a fixing hole is formed in the axis of a rotating shaft of the motor, and the inner end of the pin shaft is fixed in the fixing hole.
10. The lift crush mechanism of claim 7, wherein: a pair of bosses are arranged on the edge of the inner end of the rocker arm end sleeve, a limiting groove is formed between the bosses, a key groove is arranged on the inner wall of the boss, and a convex key matched with the key groove is arranged on the outer edge of the positioning turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320833172.1U CN219668104U (en) | 2023-04-14 | 2023-04-14 | Lifting and crushing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320833172.1U CN219668104U (en) | 2023-04-14 | 2023-04-14 | Lifting and crushing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219668104U true CN219668104U (en) | 2023-09-12 |
Family
ID=87920259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320833172.1U Active CN219668104U (en) | 2023-04-14 | 2023-04-14 | Lifting and crushing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219668104U (en) |
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2023
- 2023-04-14 CN CN202320833172.1U patent/CN219668104U/en active Active
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