CN106801684B - Lifting device and fan using same - Google Patents
Lifting device and fan using same Download PDFInfo
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- CN106801684B CN106801684B CN201710170435.4A CN201710170435A CN106801684B CN 106801684 B CN106801684 B CN 106801684B CN 201710170435 A CN201710170435 A CN 201710170435A CN 106801684 B CN106801684 B CN 106801684B
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- locking
- pipe body
- lifting
- locking block
- lifting device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a lifting device and a fan using the same, wherein the lifting device comprises a lower pipe body fixedly arranged and an upper pipe body connected on the lower pipe body in a sliding way, and is characterized by further comprising a locking groove, a lifting locking block and a locking control mechanism, wherein: the locking groove is arranged on the arc profile surface of the upper pipe body; the lifting locking block can be clamped into a locking groove which is positioned on the same level with the lifting locking block; the locking control mechanism can push the lifting locking block to be separated from the locking groove when external force is loaded, and provides elastic force for the locking block to be clamped into the locking groove on the same level when the external force is removed. The invention is provided with the locking control mechanism, when one locking groove moves to the same level with the lifting locking block along with the upper pipe body, the locking control mechanism can automatically clamp the lifting locking block into the locking groove, thereby solving the problems encountered in the prior art.
Description
Technical Field
The invention relates to a lifting device of a fan and the fan using the lifting device, and belongs to the field of household appliances.
Background
Currently, most of the liftable electric fans on the market are height-adjustable through a lifting tube. The lifting pipe comprises an upper pipe and a lower pipe which are mutually sleeved, wherein one end of the upper pipe is connected with the machine body, the other end of the upper pipe is sleeved with the lower pipe, and the purpose of lifting adjustment is achieved through the expansion and contraction of the upper pipe in the lower pipe.
Chinese patent (CN 103244386 a) discloses a liftable electric fan, which comprises a main body and a lifting tube, wherein the lifting tube comprises an upper tube and a lower tube, the upper tube is fixedly installed in the main body, the inner diameter of the upper tube is larger than the outer diameter of the lower tube, one end of the lower tube is sleeved in the upper tube, and the lower tube can stretch out and draw back in the upper tube. This patent protection is a lifting fan that upper tube internal diameter is greater than down tube external diameter, but at the fixed mode of upper and lower tube after the flexible still traditional mode: set up a plurality of locating holes in last pipe, insert through fixed inserted bar in the locating hole to realize the fixed after the vertical direction is flexible, this kind of fixed mode is relatively speaking, needs manual operation, and is comparatively loaded down with trivial details, has higher installation accuracy between locating hole and the fixed inserted bar moreover.
Disclosure of Invention
One of the purposes of the invention is to provide a lifting device which can be automatically fixed and simply used after the height of an upper pipe and a lower pipe is adjusted.
In order to solve the above problems, the present invention provides a lifting device, comprising:
fixedly arranged lower pipe body
An upper tube body which is connected in the lower tube body in a sliding way and at least partially extends out of the lower tube body,
the device is characterized by further comprising a locking groove, a lifting locking block and a locking control mechanism, wherein:
the locking grooves are arranged on the arc-shaped profile surface of the upper pipe body, at least two locking grooves are arranged on the arc-shaped profile surface of the upper pipe body, and the intervals are arranged in the vertical direction;
the lifting locking block can be clamped into the locking groove which is positioned on the same level with the lifting locking block;
the locking control mechanism can push the lifting locking block to be separated from the locking groove when external force is loaded, and provides elastic force for the locking block to be clamped into the locking groove on the same level when the external force is removed.
As a further improvement of the invention, the locking groove is an annular groove;
the lifting locking block is of an annular structure, and the first free end of the lifting locking block can be clamped into the locking groove which is horizontal to the lifting locking block;
the locking control mechanism is connected with the lifting locking block through the second free end of the lifting locking block in a static mode, and the locking control mechanism can push the lifting locking block to enable the first free end to be separated from the locking groove.
As a further improvement of the invention, the device further comprises a first spring which is connected between the lower pipe body and the upper pipe body and is arranged vertically.
As a further improvement of the invention, the upper pipe body is sleeved on the lower pipe body, the lower pipe body is provided with a vertical sliding groove, and the upper pipe body slides in the sliding groove through a vertical sliding block.
As a further improvement of the invention, the lower pipe body is also sleeved with an outer pipe which is fixedly arranged, and the upper pipe body can partially extend into the outer pipe.
As a further improvement of the present invention, the lock control mechanism includes a button seat, a control button, and a return spring, wherein:
the button seat is fixed on the outer tube;
the control button is arranged in the button seat, penetrates through an opening formed in the pipe wall of the outer pipe and is fixedly connected with the second free end of the lifting locking block, and the first free end and the locking groove are separated from each other by pressing the control button;
the reset spring is connected between the button seat and the control button and is used for resetting after the control button is pressed.
As another aspect of the present invention, a fan includes a lifting device, an
A fan head connected with the upper pipe body;
a base fixedly connected to the outer tube and used for supporting the lifting device in the vertical direction,
wherein the lower pipe body is rotationally connected to the base.
Further, the fan also comprises an annular control panel which is fixed on the outer tube and used for controlling the movement of the fan;
the inner ring of the annular control disc and the upper tube body are provided with a gap, a bushing is arranged in the gap, the bushing and the annular control disc can rotate relatively, and the bushing is in interference fit with the outer tube.
The invention has the beneficial effects that the upper pipe body and the lower pipe body which can slide relatively are arranged, the height of the upper pipe body is adjusted, then the upper pipe body is fixed after sliding through the cooperation of the lifting locking block and the locking groove, and the locking control mechanism is additionally arranged, when one locking groove moves to the same level with the lifting locking block along with the upper pipe body, the locking control mechanism can automatically clamp the lifting locking block into the locking groove, so that the problems encountered in the prior art are solved.
Drawings
FIG. 1 is a schematic view of a lifting device according to the present invention;
FIG. 2 is a schematic view of a lifting device according to another view of the present invention;
FIG. 3 is a cross-sectional view of the annular control disk and the upper tubular body;
fig. 4 is a schematic structural diagram of a fan according to the present invention.
In the figure: 2-lower pipe body; 4-upper pipe body; 6, a locking groove; 8-lifting locking blocks; 10-locking control mechanism; 12-sliding grooves; 14-an outer tube; 16-a button seat; 18-a control button; 20-fan head; 22-a base; 24-annular control disc; 26-bushing.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 4, the lifting device of the present invention includes: the lower pipe body 2 is fixedly arranged, and the upper pipe body 4 is slidably arranged in the lower pipe body 2 and extends upwards from the lower pipe body 2 at least partially.
The lifting device of the invention further comprises a locking groove 6, a lifting locking block 8 and a locking control mechanism 10, wherein:
the locking grooves 6 are arranged on the arc-shaped profile surface of the upper pipe body 4, at least two locking grooves are arranged at intervals in the vertical direction;
the lifting locking block 8 can be clamped into the locking groove 6 which is positioned at the same horizontal position with the lifting locking block;
the locking control mechanism 10 can push the lifting locking block 8 and the locking groove 6 to be separated from each other when external force is applied, and provide elastic force for the locking block 8 to be clamped into the locking groove 6 on the same level when the external force is removed.
As a further improvement of the invention, the locking groove 6 is an annular groove; the lifting locking block 8 is of an annular structure, and the first free end of the lifting locking block can be clamped into the locking groove 6 which is horizontal to the lifting locking block; the locking control mechanism 10 is fixedly connected with the lifting locking block 8 through the second free end of the lifting locking block 8, and the locking control mechanism 10 can push the lifting locking block 8 to enable the first free end to be separated from the locking groove 6.
As a further improvement of the invention, the lifting device further comprises a first spring which is connected between the lower pipe body 2 and the upper pipe body 4 and is vertically arranged, the first spring can upwards bounce the part of the upper pipe body positioned in the lower pipe body, and when the upper pipe body is retracted downwards into the lower pipe body to the bottommost end, the upper pipe body and the lower pipe body are not in hard contact, so that the use experience of a user is improved.
As a further improvement of the invention, the upper pipe body 4 is sleeved in the lower pipe body 2, two sides of the lower pipe body 2 are provided with vertical sliding grooves 12 which are concave inwards, and the upper pipe body 4 slides up and down in the sliding grooves 12 through vertical sliding blocks.
As a further improvement of the present invention, the lower pipe body 2 is further sleeved with an outer pipe 14 which is fixedly arranged, the upper pipe body 4 can partially extend into the outer pipe 14, the upper pipe body is sleeved on the outer side of the lower pipe body, and the upper pipe body is located between the lower pipe body and the outer pipe.
As a further development of the invention, the locking control mechanism 10 comprises a button base 16, a control button 18 and a return spring, wherein:
the button seat 16 is fixed on the outer tube 14;
the control button 18 is mounted on the button seat 16, and is fixedly connected with the second free end of the lifting locking block 8 through an opening formed in the pipe wall of the outer pipe 14, and the first free end and the locking groove 6 are separated from each other by pressing the control button 18;
the return spring is connected between the button seat and the control button 18 for return after the control button 18 is pressed.
As another aspect of the present invention, a fan includes a lifting device, and a fan head 20 connected to the upper tube 4; a base 22 fixedly connected to the outer tube 14 for supporting the lifting device in the vertical direction, wherein the lower tube body 2 is rotatably connected to the base 22.
Further, the fan also includes an annular control disk 24 secured to the outer tube 14 for controlling movement of the fan;
the inner ring of the annular control disc 24 and the upper tube body 4 are provided with a gap, a bushing 26 is arranged in the gap, the bushing 26 is fixed in the annular control disc 24 and can rotate relative to the annular control disc 24, the bushing 26 is in interference fit with the upper tube body 4, the bushing 26 is driven to rotate together when the upper tube body rotates, the bushing is made of POM (polyoxymethylene) materials, and the upper tube body is in direct contact with the bushing when the upper tube body is driven to rotate or extend up and down, so that direct contact with other structures is avoided, friction of the upper tube body is reduced, the service life of the upper tube body is prolonged, and attractive appearance of the upper tube body is ensured.
The specific principle of the invention is as follows:
when the height needs to be adjusted, the control button 18 is pressed, so that the first free end of the lifting locking block 8 is separated from the locking groove 6;
the upper pipe body 4 is held by a hand, and moves upwards or downwards, and when the upper pipe body moves, the sliding block in the upper pipe body 4 can slide in the vertical sliding groove 12 on the lower pipe body 2, so that the guiding function is realized;
releasing the control button 18, and resetting the control button 18 by a reset spring pair;
the upper pipe body 4 continues to move upwards or downwards until one locking groove 6 of the lifting locking block 8 in the upper pipe body 4 is positioned at the same horizontal position, and the reset spring drives the first free end of the lifting locking block 8 to be clamped into the locking groove 6, so that the reset of the control button 18 is realized;
in the invention, a first spring is also arranged for buffering the upper pipe body 4 when falling;
according to the invention, the height of the fan head 20 can be adjusted by adjusting the height position of the upper pipe body 4, and the reset spring is additionally arranged and is used for automatically clamping the first free end of the lifting locking block 8 into the locking groove 6 which is at the same level with the first free end, so that the problems in the prior art are solved;
the invention is also provided with the bushing 26, the bushing 26 is arranged between the inner ring of the annular control disc 24 and the upper tube body 4, the bushing 26 is in interference fit with the upper tube body 4, the bushing 26 and the annular control disc 24 can rotate relatively, when the upper tube body 4 rotates around a vertical axis, the bushing 26 in interference fit with the upper tube body 4 is driven to rotate together, no relative friction exists between the upper tube body 4 and the annular control disc 24, the relative friction between the upper tube body 4 and the inner ring of the annular control disc 24 is avoided, a large amount of plastic powder falls off from the inner ring of the annular control disc 24 made of plastic, and damage to fan parts is prevented.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. A lifting device, which is characterized by comprising
Fixedly arranged lower pipe body (2)
Is connected in the lower pipe body (2) in a sliding way, and at least the upward part of the lower pipe body extends out of the upper pipe body (4) of the lower pipe body (2),
the lower pipe body (2) is also sleeved with an outer pipe (14) which is fixedly arranged, and
a base (22) fixedly connected to the outer tube (14) and used for supporting the lifting device in the vertical direction;
wherein the lower pipe body (2) is rotationally connected to the base (22);
still include locking groove (6), lift latch segment (8) and locking control mechanism (10), wherein:
the locking groove (6) is an annular groove;
the lifting locking block (8) is of an annular structure, and the first free end of the lifting locking block is clamped in the locking groove (6) which is horizontal to the lifting locking block;
the locking grooves (6) are concavely formed in the arc-shaped outline of the upper pipe body (4), and at least two locking grooves are formed in the vertical direction of the upper pipe body (4) at intervals;
the locking control mechanism (10) can push the lifting locking block (8) to be separated from the locking groove (6) when external force is loaded, and provide elastic force for the locking block (8) to be clamped into the locking groove (6) on the same level when the external force is removed;
the locking control mechanism (10) is fixedly connected with the lifting locking block (8) through a second free end of the lifting locking block (8), and the locking control mechanism (10) can push the lifting locking block (8) to enable the first free end to be separated from the locking groove (6);
the locking control mechanism (10) comprises a button seat (16), a control button (18) and a return spring, wherein:
the button seat (16) is fixed on the outer tube (14);
the control button (18) is arranged in the button seat (16), passes through an opening arranged on the pipe wall of the outer pipe (14) and is fixedly connected with the second free end of the lifting locking block (8), and the first free end and the locking groove (6) are separated from each other by pressing the control button (18);
the return spring is connected between the button seat (16) and the control button (18) and is used for resetting after the control button (18) is pressed.
2. A lifting device as claimed in claim 1, wherein,
the outer side of the upper pipe body (4) is provided with a bushing (26), the bushing (26) is in interference fit with the upper pipe body (4), and the bushing (26) can rotate along with the upper pipe body (4).
3. A lifting device according to claim 1, further comprising a first spring connected between the lower tube (2) and the upper tube (4) and arranged vertically.
4. A lifting device according to claim 1, characterized in that the upper tube body (4) is sleeved on the lower tube body (2), the lower tube body (2) is provided with a vertical chute (12), and the upper tube body (4) slides in the chute (12) through a vertical slide block.
5. A lifting device according to claim 3, characterized in that the upper tube body (4) can extend partly into the outer tube (14).
6. A fan, characterized in that it comprises a lifting device according to any one of claims 1-5, and a fan head (20) connected to said upper tubular body (4).
7. A fan as defined in claim 6, wherein,
also comprises an annular control disc (24) fixed on the outer tube (14) and used for controlling the movement of the fan;
a gap is formed between the inner ring of the annular control disc (24) and the upper pipe body (4), a bushing (26) is arranged in the gap, the bushing (26) and the annular control disc (24) can rotate relatively, and the bushing (26) is in interference fit with the upper pipe body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170435.4A CN106801684B (en) | 2017-03-21 | 2017-03-21 | Lifting device and fan using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170435.4A CN106801684B (en) | 2017-03-21 | 2017-03-21 | Lifting device and fan using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106801684A CN106801684A (en) | 2017-06-06 |
| CN106801684B true CN106801684B (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710170435.4A Active CN106801684B (en) | 2017-03-21 | 2017-03-21 | Lifting device and fan using same |
Country Status (1)
| Country | Link |
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| CN (1) | CN106801684B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696259A (en) * | 2015-02-13 | 2015-06-10 | 珠海格力电器股份有限公司 | Liftable electric fan |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202647978U (en) * | 2012-04-16 | 2013-01-02 | 格力电器（中山）小家电制造有限公司 | Electromagnetic control lifting device and electric heater with the same and electric fan with the same |
| CN203189304U (en) * | 2013-02-05 | 2013-09-11 | 艾美特电器（深圳）有限公司 | Fan lifting mechanism |
| CN204419652U (en) * | 2015-01-16 | 2015-06-24 | 何向明 | Oscillating fan |
| CN204936880U (en) * | 2015-09-16 | 2016-01-06 | 航宇救生装备有限公司 | A kind of lifting rotation base |
| CN205605480U (en) * | 2016-05-09 | 2016-09-28 | 广东金莱特电器股份有限公司 | Lifting device for be used for vertical fan |
-
2017
- 2017-03-21 CN CN201710170435.4A patent/CN106801684B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696259A (en) * | 2015-02-13 | 2015-06-10 | 珠海格力电器股份有限公司 | Liftable electric fan |
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| Publication number | Publication date |
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| CN106801684A (en) | 2017-06-06 |
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