CN217783299U - Door leaf height telescopic device - Google Patents
Door leaf height telescopic device Download PDFInfo
- Publication number
- CN217783299U CN217783299U CN202122006406.9U CN202122006406U CN217783299U CN 217783299 U CN217783299 U CN 217783299U CN 202122006406 U CN202122006406 U CN 202122006406U CN 217783299 U CN217783299 U CN 217783299U
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- door leaf
- screw
- bevel gear
- nut
- driving shaft
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Abstract
The utility model discloses a high telescoping device of door leaf, including the door leaf, the door leaf includes first door leaf and second door leaf, the activity of second door leaf sets up in the first door leaf, set up adjusting device in the door leaf, start behind the adjusting device, the second door leaf can be close to or keep away from first door leaf. Through the cooperation of first bevel gear and second bevel gear, make the drive shaft drive screw rod take place to rotate, it is normal running fit to set up nut and screw rod, the position sleeve is clearance fit with the screw rod, and set up the nut and be fixed connection with the second door leaf, the position sleeve is fixed connection with first door leaf, the nut moves on the screw rod and drives the second door leaf and be close to or keep away from first door leaf, the position sleeve plays fixed effect, be provided with screw thread portion and smooth portion on the screw rod, screw thread portion and nut cooperation, smooth portion keeps clearance fit with the position sleeve, set up positioning guide pipe and drive shaft and fixed cover cooperation in the door leaf, play the effect of fixed stay.
Description
Technical Field
The utility model belongs to the technical field of the door leaf and specifically relates to a high telescoping device of door leaf is related to.
Background
Use the huge majority of door leaf in the life at present to synthesize through disposable glue, need dismantle and change the door leaf when the too big condition of door leaf appears, extravagant and troublesome very much.
Disclosure of Invention
Not enough to prior art, the utility model provides a high telescoping device of door leaf can effectively solve the problem that exists in the installation of above-mentioned door leaf.
The utility model provides a technical scheme that its technical problem adopted is: the door leaf comprises a first door leaf and a second door leaf, the second door leaf is movably arranged in the first door leaf, an adjusting device is arranged in the door leaf, and after the adjusting device is started, the second door leaf can be close to or far away from the first door leaf.
In the above technical solution, further, a guide plate is disposed at a connection position of the first door leaf and the second door leaf. By the arrangement, the stability of the joint of the first door leaf and the second door leaf is improved, and the attractiveness is improved.
In the above technical solution, further, the adjusting device includes a screw, a positioning sleeve, a nut, a driving shaft, and a driving motor, wherein a first bevel gear is disposed on the driving shaft, a second bevel gear matched with the first bevel gear is disposed on the screw, the driving motor rotates the driving shaft, and the screw is rotated by matching the first bevel gear on the driving shaft with the second bevel gear on the screw.
In the above technical solution, further, the screw is provided with two parts, including a thread part and a smooth part, the nut is rotatably disposed at the thread part, the positioning sleeve is disposed at the smooth part, and the positioning sleeve and the smooth part are in clearance fit.
In the above technical solution, further, the nut is fixedly disposed in the second door leaf, and the positioning sleeve is fixedly disposed in the first door leaf.
In the above technical solution, further, a guiding and positioning pipe is further disposed in the door leaf, and the guiding and positioning pipe is disposed in the first door leaf and the second door leaf at the same time, and is used for supporting the driving shaft and ensuring that the second door leaf does not swing when moving.
In the above technical solution, further, be provided with fixed cover on the drive shaft and with the drive shaft is fixed cooperation, fixed cover embedding is in the direction locating tube.
The utility model has the advantages that: 1. the driving shaft drives the screw to rotate through the matching of the first bevel gear and the second bevel gear; 2. the nut is arranged to be in rotating fit with the screw, the positioning sleeve is in clearance fit with the screw, the nut is fixedly connected with the second door leaf, the positioning sleeve is fixedly connected with the first door leaf, the nut moves on the screw to drive the second door leaf to be close to or far away from the first door leaf, and the positioning sleeve plays a role in fixing; 3. the screw is provided with a threaded part and a smooth part, the threaded part is matched with the nut, and the smooth part is in clearance fit with the positioning sleeve; 4. the door leaf is internally provided with a positioning guide pipe which is matched with the driving shaft and the fixed sleeve to play a role in fixing and supporting.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front view of the present invention.
Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1 according to the present invention.
Fig. 3 is a front view internal structure diagram of the present invention.
Fig. 4 is an enlarged view of the position B of the present invention.
Fig. 5 is an enlarged view of the point C of the present invention.
Fig. 6 is an enlarged view of the utility model at position D.
In the figure, 1, a second door leaf, 2, a guide plate, 3, a first door leaf, 4, a guide positioning pipe, 5, a nut, 6, a screw rod, 7, a positioning sleeve, 8, a second bevel gear, 9, a first bevel gear, 10, a fixing sleeve, 11, a driving shaft, 12, a driving motor, 13, a threaded part and 14, a smooth part.
Detailed Description
Referring to fig. 1-6, the door leaf height telescopic device comprises a door leaf, wherein the door leaf comprises a first door leaf 3 and a second door leaf 1, the second door leaf 1 is movably arranged in the first door leaf 3, an adjusting device is arranged in the door leaf, and after the adjusting device is started, the second door leaf 1 can be close to or far away from the first door leaf 3.
The second door leaf 1 is provided with two blocks and is located at the upper position and the lower position of the first door leaf 3, a guide plate 2 is arranged at the surface connection position of the first door leaf 3 and the second door leaf 1, the moving range of the first door leaf 3 and the second door leaf 1 is smaller than the upper length and the lower length of the guide plate 2, and the guide plate 2 can be utilized to enable the first door leaf 3 and the second door leaf 1 to move more conveniently.
Preferably, the first door leaf 3 and the second door leaf 1 are arranged to form a direct-insertion mortise-tenon joint fit, and the guide plate 2 is matched to enable the second door leaf 1 to be in sliding fit on the first door leaf 3.
The adjusting device comprises a screw 6, a nut 5, a positioning sleeve 7, a driving shaft 11 and a driving motor 12, wherein the driving shaft 11 and the driving motor 12 are arranged in the first door leaf 3, the driving shaft 11 is transversely arranged in the second door leaf 1, the driving motor 12 is positioned at one end of the driving shaft 11, a first bevel gear 9 is arranged on the driving shaft 11, in order to ensure that the adjusting effect is realized, the first bevel gear 9 is at least arranged at two positions on the driving shaft 11, the two first bevel gears 9 are symmetrical, the screw 6 is divided into an upper section and a lower section by the driving shaft 11, a second bevel gear 8 matched with the first bevel gear 9 is arranged on the screw 6, the second bevel gear 8 of the screw 6 at the upper section is positioned at the bottom, the second bevel gear 8 of the screw 6 at the lower section is positioned at the top and is matched with the first bevel gear 9 at the same time, and when the driving shaft 11 is rotated, the upper section and the lower section of the screw 6 are rotated by the matching of the first bevel gear 9 and the second bevel gear 8.
The screw 6 is provided with two areas, namely a threaded portion 13 and a smooth portion 14, the nut 5 is arranged at the threaded portion 13, the positioning sleeve 7 is arranged at the smooth portion 14, two nuts 5 are arranged on each section of the screw 6, the upper section of the screw 6 is provided with two positioning sleeves 7, the lower end of the screw 6 is provided with one positioning sleeve 7, one positioning sleeve 7 is arranged at one position of the upper section of the screw 6 and is close to the second bevel gear 8, the positioning sleeve 7 on the lower section of the screw 6 is also close to the second bevel gear 8, the other positioning sleeve 7 on the upper section of the screw 6 is matched with the nut 5 to uniformly divide the upper section of the screw 6, and the nut 5 on the lower section of the screw 6 is matched with the positioning sleeve 7 to uniformly divide the lower section of the screw 6.
The nut 5 is in threaded fit with the screw 6 through the threaded portion 13, and the positioning sleeve 7 is in clearance fit with the screw 6.
The nut 5 and the fixing sleeve 10 are respectively fixed in the second door leaf 1 and the first door leaf 3.
In order to support the driving shaft 11 provided in the first door 3, a guide positioning pipe 4 is provided in both the first door 3 and the second door 1, and the guide positioning pipe 4 can only move the second door 1 up and down on the first door 3 and can restrict the second door from swinging back and forth and left and right.
Two fixing sleeves 10 are arranged on the driving shaft 11, the fixing sleeves 10 are respectively close to the first bevel gears 9 on two sides and form fixed fit with the fixing sleeves 10, and meanwhile, the fixing sleeves 10 are fixedly embedded in the guide positioning pipes 4.
The utility model discloses a working process: the driving motor 12 is started, the driving motor 12 rotates the driving shaft 11, the first bevel gear 9 on the driving shaft 11 is simultaneously matched with the second bevel gear 8 on the upper and lower sections of the screw 6, when the second bevel gear 8 on the upper end rotates forward, the second bevel gear 8 on the lower end rotates backward, the nut 5 and the screw 6 are in threaded fit, the positioning sleeve 7 and the screw 6 are in clearance fit, the nut 5 and the positioning sleeve 7 are respectively fixed in the second door leaf 1 and the first door leaf 3, the second door leaf 1 on the upper portion moves upward in the first door leaf 3, the first door leaf 3 on the lower end moves downward in the first door leaf 3, when the rotation direction changes, the second door leaf 1 on the upper portion moves downward in the first door leaf 3, and the second door leaf 1 on the lower portion moves upward in the first door leaf 3.
The above, it is only an embodiment of the present invention, and it is not a limitation to the present invention in any form, and the simple modification, equivalent change or modification made on the basis of the technical solution of the present invention all fall into the protection scope of the present invention.
Claims (7)
1. The door leaf height telescopic device comprises a door leaf and is characterized in that the door leaf comprises a first door leaf and a second door leaf, the second door leaf is movably arranged in the first door leaf, an adjusting device is arranged in the door leaf, and after the adjusting device is started, the second door leaf can be close to or far away from the first door leaf.
2. The door leaf height telescopic device according to claim 1, wherein a guide plate is arranged at the joint of the first door leaf and the second door leaf.
3. The device as claimed in claim 1, wherein the adjusting device comprises a screw, a positioning sleeve, a nut, a driving shaft, and a driving motor, the driving shaft is provided with a first bevel gear, the screw is provided with a second bevel gear engaged with the first bevel gear, the driving motor rotates the driving shaft, and the first bevel gear on the driving shaft is engaged with the second bevel gear on the screw to rotate the screw.
4. The retractable door leaf height device as claimed in claim 3, wherein the screw is provided with two parts including a threaded portion and a smooth portion, the nut is rotatably disposed at the threaded portion, the positioning sleeve is disposed at the smooth portion, and the positioning sleeve and the smooth portion are in clearance fit.
5. The retractable door leaf height apparatus as claimed in claim 3, wherein the nut is fixedly disposed in the second door leaf, and the positioning sleeve is fixedly disposed in the first door leaf.
6. The retractable door leaf height device as claimed in claim 3, wherein a guiding and positioning tube is disposed inside the door leaf, and the guiding and positioning tube is disposed inside both the first door leaf and the second door leaf for supporting the driving shaft and ensuring that the second door leaf will not swing when moving.
7. The retractable door leaf height device as claimed in claim 6, wherein a retaining sleeve is provided on said drive shaft and is fixedly engaged with said drive shaft, said retaining sleeve being embedded in said guide positioning tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122006406.9U CN217783299U (en) | 2021-08-25 | 2021-08-25 | Door leaf height telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122006406.9U CN217783299U (en) | 2021-08-25 | 2021-08-25 | Door leaf height telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217783299U true CN217783299U (en) | 2022-11-11 |
Family
ID=83903538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122006406.9U Active CN217783299U (en) | 2021-08-25 | 2021-08-25 | Door leaf height telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217783299U (en) |
-
2021
- 2021-08-25 CN CN202122006406.9U patent/CN217783299U/en active Active
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| GR01 | Patent grant | ||
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