CN219221175U - Telescopic mechanism - Google Patents
Telescopic mechanism Download PDFInfo
- Publication number
- CN219221175U CN219221175U CN202320268349.8U CN202320268349U CN219221175U CN 219221175 U CN219221175 U CN 219221175U CN 202320268349 U CN202320268349 U CN 202320268349U CN 219221175 U CN219221175 U CN 219221175U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- telescopic
- shell
- transmission
- drives
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The telescopic mechanism comprises an outer shell (1), a first telescopic shell (2), a second telescopic shell (3), a driving screw rod (4), a transmission sleeve (5) and a transmission screw rod (6), wherein the driving screw rod (4) is movably installed in the outer shell (1), a first screw rod nut (7) is arranged on the driving screw rod (4), the bottom of the first telescopic shell (2) is installed on the outer wall of the first screw rod nut (7), the first telescopic shell (2) is located in the outer shell (1), and one end of the transmission sleeve (5) is installed at the end part of the driving screw rod (4); the advantages are that: the telescopic mechanism has high strength, can bear heavier weight, and the lifting mechanism is positioned inside, occupies small space and has wide application range.
Description
Technical Field
The utility model relates to the field of mechanical equipment, in particular to a telescopic mechanism.
Background
At present, in the occasions with limited space, strict requirements on appearance and larger movement travel, the adoption of a multi-stage telescopic structure is the most ideal choice, and the existing structure basically adopts an external superposition structure, so that the occupied space is large, and the device is not suitable for the occasions with limited space. The existing internal pushing telescopic mechanism is low in strength and complex in structure.
Disclosure of Invention
The present utility model aims to overcome the above disadvantages and provide a telescopic mechanism.
The utility model comprises an outer shell, a first telescopic shell, a second telescopic shell, a driving screw rod, a transmission sleeve and a transmission screw rod,
the driving screw rod is movably mounted in the outer shell, a first screw rod nut is arranged on the driving screw rod, the bottom of the first telescopic shell is mounted on the outer wall of the first screw rod nut, the first telescopic shell is located in the outer shell, one end of the transmission sleeve is mounted at the end part of the driving screw rod, a bearing is arranged between the outer wall of the transmission sleeve and the inner wall of the first telescopic shell, the second telescopic shell is located in the first telescopic shell, one end of the transmission screw rod is mounted at the end part of the second telescopic shell, a second screw rod nut is arranged on the transmission screw rod, and the outer wall of the second screw rod nut is fixed in the other end of the transmission sleeve.
The driving screw rod drives the first telescopic shell to lift in the outer shell through the first screw rod nut, the driving screw rod drives the transmission sleeve to rotate, the transmission sleeve drives the transmission screw rod to lift in the transmission sleeve through the second screw rod nut, and the transmission screw rod drives the second telescopic shell to lift in the first telescopic shell.
The bottom of the outer shell is provided with a motor which drives the driving screw rod to rotate through a speed reducer.
The driving screw rod is a hollow screw rod.
The bottom of first flexible casing is provided with the spacing ring, is provided with the fixed ring of bearing on the first flexible casing inner wall, and the bearing is located between spacing ring and the fixed ring of bearing.
The outer wall of the end part of the driving screw rod is provided with a guide driving pin, and the driving screw rod drives the transmission sleeve to rotate through the guide driving pin.
The bottom of the outer shell is provided with a supporting base.
The outer shell, the first telescopic shell and the second telescopic shell are hollow quadrangular.
The end part of the transmission screw rod is provided with a fixed disc and is arranged in the second telescopic shell through the fixed disc.
Limiting rings are respectively arranged on the inner walls of the end parts of the outer shell and the first telescopic shell.
The utility model has the advantages that: the telescopic mechanism has high strength, can bear heavier weight, and the lifting mechanism is positioned inside, occupies small space and has wide application range.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic illustration of the cross-sectional A-A configuration of FIG. 1 in accordance with the present utility model.
Fig. 3 is a schematic view of a partially enlarged structure of fig. 2 according to the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in the drawings, the utility model comprises an outer shell 1, a first telescopic shell 2, a second telescopic shell 3, a driving screw 4, a transmission sleeve 5 and a transmission screw 6,
the driving screw rod 4 is movably mounted in the outer shell 1, a first screw rod nut 7 is arranged on the driving screw rod 4, the bottom of the first telescopic shell 2 is mounted on the outer wall of the first screw rod nut 7, the first telescopic shell 2 is located in the outer shell 1, one end of the transmission sleeve 5 is mounted at the end part of the driving screw rod 4, a bearing 8 is arranged between the outer wall of the transmission sleeve 5 and the inner wall of the first telescopic shell 2, the second telescopic shell 3 is located in the first telescopic shell 2, one end of the transmission screw rod 6 is mounted at the end part of the second telescopic shell 3, a second screw rod nut 9 is arranged on the transmission screw rod 6, and the outer wall of the second screw rod nut 9 is fixed in the other end of the transmission sleeve 5.
The driving screw rod 4 drives the first telescopic shell 2 to lift in the outer shell 1 through the first screw rod nut 7, the driving screw rod 4 drives the transmission sleeve 5 to rotate, the transmission sleeve 5 drives the transmission screw rod 6 to lift in the transmission sleeve 5 through the second screw rod nut 9, and the transmission screw rod 6 drives the second telescopic shell 3 to lift in the first telescopic shell 2.
The bottom of the outer shell 1 is provided with a motor which drives the driving screw rod 4 to rotate through a speed reducer.
The active screw 4 is a hollow screw. The weight of the driving screw 4 is reduced.
The bottom of first flexible casing 2 is provided with the spacing ring, is provided with bearing retainer ring 10 on the inner wall of first flexible casing 2, and bearing 8 is located between spacing ring and the bearing retainer ring 10.
A guide driving pin 11 is arranged on the outer wall of the end part of the driving screw rod 4, and the driving screw rod 4 drives the transmission sleeve 5 to rotate through the guide driving pin 11.
The bottom of the outer shell 1 is provided with a supporting base. So that the outer housing 1 can stand up vertically.
The outer shell 1, the first telescopic shell 2 and the second telescopic shell 3 are all hollow quadrangular prism-shaped.
The end of the transmission screw rod 6 is provided with a fixed disc and is arranged in the second telescopic shell 3 through the fixed disc. The fixing plate is used for fixing, so that the fixing is firmer.
Limiting rings are respectively arranged on the inner walls of the end parts of the outer shell 1 and the first telescopic shell 2.
Example 1: the driving screw rod 4 is rotated, the driving screw rod 4 drives the first telescopic shell 2 to lift in the outer shell 1 through the first screw rod nut 7, the driving screw rod 4 drives the transmission sleeve 5 to rotate, the transmission sleeve 5 drives the transmission screw rod 6 to lift in the transmission sleeve 5 through the second screw rod nut 9, and the transmission screw rod 6 drives the second telescopic shell 3 to lift in the first telescopic shell 2, and the first telescopic shell 2 and the second telescopic shell 3 lift or descend synchronously.
Example 2: the driving screw rod 4 is driven to rotate through the motor and the speed reducer, the driving screw rod 4 drives the first telescopic shell 2 to lift in the outer shell 1 through the first screw rod nut 7, the driving screw rod 4 drives the transmission sleeve 5 to rotate, the transmission sleeve 5 drives the transmission screw rod 6 to lift in the transmission sleeve 5 through the second screw rod nut 9, and the transmission screw rod 6 drives the second telescopic shell 3 to lift in the first telescopic shell 2, and the first telescopic shell 2 and the second telescopic shell 3 lift or descend synchronously.
Example 3: the outer shell 1, the first telescopic shell 2 and the second telescopic shell 3 are hollow quadrangular, the first telescopic shell 2 is limited by the inner wall of the prism in the outer shell 1, so that the first telescopic shell cannot rotate and only can rise or fall, and the second telescopic shell 3 is limited by the inner wall of the prism in the first telescopic shell 2, so that the first telescopic shell cannot rotate and only can rise or fall. The driving screw rod 4 is rotated, the driving screw rod 4 drives the first telescopic shell 2 to lift in the outer shell 1 through the first screw rod nut 7, the driving screw rod 4 drives the transmission sleeve 5 to rotate, the transmission sleeve 5 drives the transmission screw rod 6 to lift in the transmission sleeve 5 through the second screw rod nut 9, and the transmission screw rod 6 drives the second telescopic shell 3 to lift in the first telescopic shell 2, and the first telescopic shell 2 and the second telescopic shell 3 lift or descend synchronously.
Example 4: the driving screw rod 4 is rotated, the driving screw rod 4 drives the first telescopic shell 2 to lift in the outer shell 1 through the first screw rod nut 7, the driving screw rod 4 drives the transmission sleeve 5 to rotate, the transmission sleeve 5 drives the transmission screw rod 6 to lift in the transmission sleeve 5 through the second screw rod nut 9, and the transmission screw rod 6 drives the second telescopic shell 3 to lift in the first telescopic shell 2, and the first telescopic shell 2 and the second telescopic shell 3 lift or descend synchronously. Limiting rings are respectively arranged on the inner walls of the end parts of the outer shell 1 and the first telescopic shell 2, and are used for limiting the movement stroke of the first telescopic shell 2 and the movement stroke of the second telescopic shell 3 so as to prevent the dislocation.
Claims (8)
1. The telescopic mechanism is characterized by comprising an outer shell (1), a first telescopic shell (2), a second telescopic shell (3), a driving screw rod (4), a transmission sleeve (5) and a transmission screw rod (6),
the driving screw rod (4) is movably arranged in the outer shell (1), a first screw rod nut (7) is arranged on the driving screw rod (4), the bottom of the first telescopic shell (2) is arranged on the outer wall of the first screw rod nut (7), the first telescopic shell (2) is positioned in the outer shell (1), one end of the transmission sleeve (5) is arranged at the end part of the driving screw rod (4), a bearing (8) is arranged between the outer wall of the transmission sleeve (5) and the inner wall of the first telescopic shell (2), the second telescopic shell (3) is positioned in the first telescopic shell (2), one end of the transmission screw rod (6) is arranged at the end part of the second telescopic shell (3), a second screw rod nut (9) is arranged on the transmission screw rod (6), and the outer wall of the second screw rod nut (9) is fixed in the other end of the transmission sleeve (5).
The end part of the transmission screw rod (6) is provided with a fixed disc, the transmission screw rod is arranged in the second telescopic shell (3) through the fixed disc, and limiting rings are respectively arranged on the inner walls of the end parts of the outer shell (1) and the first telescopic shell (2).
2. The telescopic mechanism according to claim 1, wherein the driving screw (4) drives the first telescopic housing (2) to lift in the outer housing (1) through the first screw nut (7), the driving screw (4) drives the transmission sleeve (5) to rotate, the transmission sleeve (5) drives the transmission screw (6) to lift in the transmission sleeve (5) through the second screw nut (9), and the transmission screw (6) drives the second telescopic housing (3) to lift in the first telescopic housing (2).
3. Telescopic mechanism according to claim 1, characterized in that the bottom of the outer housing (1) is provided with a motor which drives the driving screw (4) through a speed reducer.
4. A telescopic mechanism according to claim 1, wherein the active screw (4) is a hollow screw.
5. Telescopic mechanism according to claim 1, characterized in that the bottom of the first telescopic housing (2) is provided with a stop collar, the inner wall of the first telescopic housing (2) is provided with a bearing retainer ring (10), the bearing (8) is located between the stop collar and the bearing retainer ring (10).
6. Telescopic mechanism according to claim 1, characterized in that the outer wall of the end of the driving screw (4) is provided with a guiding driving pin (11), and the driving screw (4) drives the transmission sleeve (5) to rotate by means of the guiding driving pin (11).
7. Telescopic mechanism according to claim 1, wherein the bottom of the outer housing (1) is provided with a support base.
8. Telescopic mechanism according to claim 1, wherein the outer housing (1), the first telescopic housing (2) and the second telescopic housing (3) are hollow quadricylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320268349.8U CN219221175U (en) | 2023-02-21 | 2023-02-21 | Telescopic mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320268349.8U CN219221175U (en) | 2023-02-21 | 2023-02-21 | Telescopic mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219221175U true CN219221175U (en) | 2023-06-20 |
Family
ID=86739915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320268349.8U Active CN219221175U (en) | 2023-02-21 | 2023-02-21 | Telescopic mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219221175U (en) |
-
2023
- 2023-02-21 CN CN202320268349.8U patent/CN219221175U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108408645B (en) | A kind of multistage synchronous lifting device based on carbon fiber cylinder | |
| CN103737587A (en) | Intelligent five-shaft manipulator | |
| CN102515053B (en) | Propping device of overlong rotary handle | |
| CN102654278B (en) | A kind of elevating lever and lighting device | |
| CN219221175U (en) | Telescopic mechanism | |
| CN116292797A (en) | Telescopic mechanism | |
| CN212744912U (en) | Multistage ball screw synchronous vertical transmission device | |
| CN208378326U (en) | Material lifting body | |
| CN108078157B (en) | Lifting table | |
| CN209431223U (en) | A kind of used in nuclear power station lifting lamp structure | |
| CN113103217A (en) | Mechanical arm | |
| CN218730360U (en) | Transformer with overload early warning function | |
| CN220265139U (en) | Cam climbing mechanism | |
| CN111678104A (en) | Liftable lamp bracket | |
| CN219036040U (en) | Projection arrangement with diversified show function | |
| CN110722602A (en) | Device capable of switching lifting movement | |
| CN220551728U (en) | Cabinet moving seat | |
| CN220212257U (en) | Self-locking device for lifting table and lifting table | |
| CN215596800U (en) | Novel gas transmitter | |
| CN216701944U (en) | Height-adjustable removes dining table | |
| CN218844657U (en) | Water pump lifting handle convenient to replace | |
| CN215660253U (en) | Mechanical arm | |
| CN220432300U (en) | Flexible atress support column of passive mechanical auto-lock | |
| CN211790260U (en) | Installation type movable power distribution cabinet | |
| CN220999143U (en) | Hanging device capable of achieving self-lifting of hanging basket bottom template and hanging basket system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |