CN219885552U - Lifting machine and locking device thereof - Google Patents
Lifting machine and locking device thereof Download PDFInfo
- Publication number
- CN219885552U CN219885552U CN202320764855.6U CN202320764855U CN219885552U CN 219885552 U CN219885552 U CN 219885552U CN 202320764855 U CN202320764855 U CN 202320764855U CN 219885552 U CN219885552 U CN 219885552U
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- force arm
- sliding groove
- hinged
- locking
- base
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- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a lifter and a locking device thereof, comprising: the lifting mechanism comprises a first force arm and a second force arm, and the middle part of the first force arm is hinged with the middle part of the second force arm; the base is provided with a sliding groove, one end of the first force arm is hinged with the base, one end of the second force arm is connected with the sliding groove in a sliding way, the axial direction of the sliding groove is perpendicular to the hinged axial direction of the first force arm and the base, and one end of the second force arm can be arranged in the sliding groove; the locking mechanism is hinged with the base and comprises an abutting part close to one side of the sliding groove and a breaking part far away from one side of the sliding groove; when the breaking-off part rotates around the hinge axis of the locking mechanism, the abutting part can be close to or far from the sliding path of the second force arm on the sliding groove; the technical scheme of the utility model has simple structure and simple and convenient operation, and can realize unlocking and locking effects.
Description
Technical Field
The utility model relates to the technical field of lifters, in particular to a lifter and a locking device thereof.
Background
At present, since locking and unlocking functions are generally required for a lifter on the market, an unlocking structure is generally provided on the lifter, and the existing unlocking structure is complex, so that the operation process is complicated and the later maintenance cost is high, and therefore, a locking device with a simple structure and simple and convenient operation is required.
Disclosure of Invention
The utility model mainly aims to provide a locking device which is simple in structure and convenient to operate, and can achieve unlocking and locking effects.
In order to achieve the above object, the present utility model provides a locking device, comprising:
the lifting mechanism comprises a first force arm and a second force arm, and the first force arm is hinged with the middle part of the second force arm;
the base is provided with a sliding groove, one end of the first force arm is hinged with the base, one end of the second force arm is connected with the sliding groove in a sliding mode, the axial direction of the sliding groove is perpendicular to the hinged axial direction of the first force arm and the base, and one end of the second force arm can be arranged in the sliding groove;
the locking mechanism is hinged with the base and comprises an abutting part close to one side of the sliding groove and a breaking part far away from one side of the sliding groove;
when the breaking-off part rotates around the hinge axis of the locking mechanism, the abutting part can be close to or far away from the sliding path of the second force arm on the sliding groove.
In some embodiments of the present utility model, the locking mechanism includes a locking plate hinged to the base, and the hinge plate is provided with the abutment portion and the breaking portion respectively from outside of both sides of a hinge shaft thereof.
In some embodiments of the present utility model, the lifting mechanism includes a limiting plate, one side of the limiting plate is hinged with one end of the second arm, the limiting plate is slidably connected with the sliding groove, and a plurality of limiting holes are arranged on one side of the limiting plate, which is close to the locking mechanism, at intervals;
when the abutting part is close to the sliding path of the second force arm, the abutting part can be embedded and abutted to the limiting hole.
In some embodiments of the utility model, the latch device further includes a transmission mechanism in driving connection with the locking mechanism, the transmission mechanism being capable of pushing the breaking portion to rotate about the hinge axis of the hinge plate.
In some embodiments of the utility model, the transmission mechanism comprises a pneumatic transmission or an electric transmission.
In some embodiments of the present utility model, the locking mechanism further includes a torsion spring, wherein the torsion spring is sleeved on the hinge shaft of the locking plate and elastically abuts against one side of the locking plate;
the torsion spring can provide the abutting portion of the locking plate with an elastic force close to or far away from the limiting hole.
In some embodiments of the present utility model, a side profile of the abutting portion for abutting against the limiting hole is an arc shape protruding outward.
The utility model also discloses a lifter, which comprises the locking device.
According to the technical scheme, as the middle parts of the first force arm and the second force arm are in the hinged state, and one end of the first force arm is hinged with the base, when the first force arm and the second force arm are hinged, the second force arm can slide along the sliding groove, the breaking-off part of the locking mechanism is used for abutting against the sliding path of the second force arm, so that the blocking sliding of the second force arm is realized, the hinging movement between the first force arm and the second force arm is locked, and the locking movement between the first force arm and the second force arm can be realized through the pushing structure between the breaking-off part and the abutting part, compared with the traditional complex component, the structure is simple.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a lift according to the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic partial cross-sectional view of a lift of the present utility model.
Reference numerals illustrate:
1. a first moment arm; 2. a second moment arm; 3. a base; 4. a locking mechanism; 41. a locking plate; 411. a breaking-off part; 412. an abutting portion; 5. a limiting plate; 51. a limiting hole; 6. a transmission mechanism;
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a locking device, comprising:
the lifting mechanism comprises a first force arm 1 and a second force arm 2, and the first force arm 1 is hinged with the middle part of the second force arm 2;
the base 3 is provided with a sliding groove, one end of the first force arm 1 is hinged with the base 3, one end of the second force arm 2 is in sliding connection with the sliding groove, the axial direction of the sliding groove is perpendicular to the hinged axial direction of the first force arm 1 and the base 3, and one end of the second force arm 2 can be arranged in the sliding groove;
the locking mechanism 4, the locking mechanism 4 is hinged with the base 3, and the locking mechanism 4 comprises an abutting part 412 close to one side of the sliding groove and a breaking part 411 far from one side of the sliding groove;
when the breaking portion 411 rotates around the hinge axis of the locking mechanism 4, the abutment portion 412 can approach to block or depart from the sliding path of the second arm 2 in the sliding groove.
Based on the technical characteristics, because the middle parts of the first force arm 1 and the second force arm 2 are in a hinged state, and one end of the first force arm 1 is hinged with the base 3, when the first force arm 1 and the second force arm 2 are hinged, the second force arm 2 can slide along the sliding groove, the arm-wrenching part 411 of the locking mechanism 4 is used for abutting against the sliding path of the second force arm 2, further, the blocking sliding of the second force arm 2 is realized, the hinging movement between the first force arm 1 and the second force arm 2 is locked, and the locking action between the first force arm 1 and the second force arm 2 can be realized through the pushing structure between the arm-wrenching part 411 and the abutting part 412.
Further, the locking mechanism 4 includes a locking plate 41, the locking plate 41 is hinged to the base 3, two sides of a hinge shaft of the hinge plate are respectively provided with an abutting part 412 and a breaking part 411 in a self-extending manner, and the movement of the breaking part 411 can drive the moving path of the abutting part 412, which is close to or far away from the second force arm 2, through the hinged rotation, so as to block the second force arm 2.
The lifting mechanism comprises a limiting plate 5, one side of the limiting plate 5 is hinged with one end of the second force arm 2, the limiting plate 5 is in sliding connection with the sliding groove, and a plurality of limiting holes 51 are formed in one side, close to the locking mechanism 4, of the limiting plate 5 at intervals; when the first force arm 1 and the second force arm 2 are hinged relatively, the other end of the second force arm 2 is hinged to drive the limiting plate 5 to slide in the sliding groove.
When the abutting portion 412 approaches the sliding path of the second arm 2, the abutting portion 412 can be engaged with and abutted against the limiting hole 51; the abutting part 412 abuts against different positions of the limiting hole 51, so that the second force arm 2 can be locked at different positions, and the locking of different working states can be realized.
Further, the locking device further comprises a transmission mechanism 6 in transmission connection with the locking mechanism 4, the transmission mechanism 6 can push the breaking part 411 to rotate around the hinge shaft of the hinge plate, and an automatic locking effect is achieved through the transmission mechanism 6.
In particular, the transmission mechanism 6 comprises pneumatic transmission or electric transmission, and different transmission modes can be set according to different conditions.
In this embodiment, the locking mechanism 4 further includes a torsion spring, which is sleeved on the hinge shaft of the locking plate 41 and elastically abuts against one side of the locking plate 41; the torsion spring can provide the abutting portion 412 of the lock plate 41 with an elastic force close to or away from the limit hole 51; an automatic locking or unlocking state of the locking plate 41 without external force can be achieved.
The profile of one side of the abutting portion 412 abutting against the limiting hole 51 is an arc shape protruding outwards, so that the abutting portion 412 is further pushed to abut against the arc direction, and friction force between the abutting portion 412 and the limiting hole 51 is reduced.
The utility model also discloses a lifter, which comprises a locking device, wherein the specific structure of the locking device refers to the embodiment, and because the lifter adopts all the technical schemes of all the embodiments, the lifter at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (8)
1. A lock device, comprising:
the lifting mechanism comprises a first force arm and a second force arm, and the first force arm is hinged with the middle part of the second force arm;
the base is provided with a sliding groove, one end of the first force arm is hinged with the base, one end of the second force arm is connected with the sliding groove in a sliding mode, the axial direction of the sliding groove is perpendicular to the hinged axial direction of the first force arm and the base, and one end of the second force arm can be arranged in the sliding groove;
the locking mechanism is hinged with the base and comprises an abutting part close to one side of the sliding groove and a breaking part far away from one side of the sliding groove;
when the breaking-off part rotates around the hinge axis of the locking mechanism, the abutting part can be close to or far away from the sliding path of the second force arm on the sliding groove.
2. The locker assembly according to claim 1, wherein the locking mechanism includes a locking plate hinged to the base, and the hinge plate is outwardly provided with the abutting portion and the breaking portion from both sides of a hinge shaft thereof, respectively.
3. The locking device of claim 2, wherein the lifting mechanism comprises a limiting plate, one side of the limiting plate is hinged with one end of the second arm of force, the limiting plate is in sliding connection with the sliding groove, and a plurality of limiting holes are formed in one side of the limiting plate, which is close to the locking mechanism, at intervals;
when the abutting part is close to the sliding path of the second force arm, the abutting part can be embedded and abutted to the limiting hole.
4. The latch assembly of claim 1 further comprising a transmission mechanism drivingly connected to said locking mechanism, said transmission mechanism being capable of urging said arm-wrenching portion to rotate about the hinge axis of said hinge plate.
5. The lock apparatus of claim 4, wherein the transmission mechanism comprises a pneumatic transmission or an electric transmission.
6. The lock device according to claim 3, wherein the locking mechanism further comprises a torsion spring, and the torsion spring is sleeved on the hinge shaft of the locking plate and elastically abuts against one side of the locking plate;
the torsion spring can provide the abutting portion of the locking plate with an elastic force close to or far away from the limiting hole.
7. A lock device according to claim 3, wherein a side profile of the abutting portion for abutting against the limiting hole is an arc shape protruding outward.
8. A lifter comprising a lock arrangement according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320764855.6U CN219885552U (en) | 2023-04-10 | 2023-04-10 | Lifting machine and locking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320764855.6U CN219885552U (en) | 2023-04-10 | 2023-04-10 | Lifting machine and locking device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219885552U true CN219885552U (en) | 2023-10-24 |
Family
ID=88402585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320764855.6U Active CN219885552U (en) | 2023-04-10 | 2023-04-10 | Lifting machine and locking device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219885552U (en) |
-
2023
- 2023-04-10 CN CN202320764855.6U patent/CN219885552U/en active Active
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