CN212163065U - Rotation limiting structure and electric fan with same - Google Patents
Rotation limiting structure and electric fan with same Download PDFInfo
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- CN212163065U CN212163065U CN202021054211.0U CN202021054211U CN212163065U CN 212163065 U CN212163065 U CN 212163065U CN 202021054211 U CN202021054211 U CN 202021054211U CN 212163065 U CN212163065 U CN 212163065U
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Abstract
The utility model provides a rotation limiting structure and an electric fan with the same, which comprises a motor assembly, wherein the motor assembly comprises a motor, a supporting plate and a first gear structure, the motor is fixedly arranged on the supporting plate, and the first gear structure is fixedly connected with the motor; the second gear structure is meshed with the first gear structure, and an accommodating groove is formed in the second gear structure; the rotating shaft structure is fixedly connected with the second gear structure; and one end of the limiting spring structure is arranged in the accommodating groove, and the other end of the limiting spring structure is fixedly connected with the supporting plate. When the rotating shaft structure rotates to the critical point of the deformation of the limiting spring structure, the rotating shaft structure cannot continue to rotate, so that the control on the rotating angle of the rotating shaft structure is realized, and the rotating angle is prevented from being too large. Meanwhile, the limiting spring structure is evenly and evenly stressed when being subjected to torsional deformation, so that the rotating shaft structure can be ensured to smoothly rotate.
Description
Technical Field
The utility model relates to a domestic appliance product technical field, concretely relates to rotate limit structure and have its electric fan.
Background
With the continuous improvement of the quality of life, the requirements of people on the environment are higher and higher. People pay more attention to the safety of outdoor environment, and meanwhile, the comfort of indoor environment is also paid more attention. For indoor temperature regulation, the most commonly used electric fan is too much, and the electric fan is convenient to operate and carry, and is a household appliance commonly used in daily life.
In the design of the existing electric fan, a basic switch of the electric fan and an adjusting switch of the rotating speed of the electric fan can be provided, in addition, a switch for controlling whether the electric fan rotates or not is also arranged, and the electric fan is controlled to rotate left and right or up and down by controlling the rotation of a rotating motor in the electric fan, so that a wider air blowing range is provided. However, the existing electric fan directly drives the electric fan assembly to rotate through the motor, so that the rotation angle of the electric fan is too large, equipment shakes greatly and the rotation track is unstable during rotation, and a good use experience effect cannot be provided for a user.
SUMMERY OF THE UTILITY MODEL
Too big for the turned angle who solves current electric fan, equipment shake is big, the unstable problem of rotation orbit when rotating simultaneously, the utility model provides a rotate limit structure and have its electric fan.
A rotation limiting structure is characterized by comprising:
the motor assembly comprises a motor, a supporting plate and a first gear structure, the motor is fixedly arranged on the supporting plate, and the first gear structure is fixedly connected with the motor;
the second gear structure is meshed with the first gear structure, and an accommodating groove is formed in the second gear structure;
the rotating shaft structure is fixedly connected with the second gear structure;
and one end of the limiting spring structure is arranged in the accommodating groove, and the other end of the limiting spring structure is fixedly connected with the supporting plate.
Furthermore, the second gear structure further comprises a limiting protrusion structure, the limiting protrusion structure is arranged in the accommodating groove, and a limiting notch is formed in the limiting protrusion structure.
Further, the limiting spring structure comprises a main body portion, and the main body portion is arranged in the accommodating groove.
Further, the limiting spring structure further comprises a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion are arranged at two ends of the main body portion respectively, the first limiting portion is arranged in the limiting notch, and the second limiting portion is fixedly connected with the supporting plate.
Further, the main body part, the first limiting part and the second limiting part are of an integrally formed structure.
Furthermore, the limiting spring structure is a torsion spring.
Based on same design, the utility model also provides an electric fan, this electric fan includes above rotation limit structure.
Furthermore, the fan assembly and the support are further included, one end of the rotation limiting structure is fixedly connected with the fan assembly, and the other end of the rotation limiting structure is rotatably connected with the support.
Further, the fan assembly further comprises a base and a fan shell, the support is fixedly arranged on the base, and the fan assembly is arranged inside the fan shell.
The utility model provides a rotation limit structure, including motor element, second gear structure, pivot structure and spacing spring structure, the first gear structure of motor drive among the motor element rotates to drive and the second gear structure rotation of first gear structure meshing, and then drive the pivot structure and rotate. One part of the limiting spring structure is arranged in the accommodating groove of the second gear structure, the other part of the limiting spring structure is fixedly connected with the supporting plate of the motor assembly, when the motor drives the first gear structure to rotate and further drives the second gear structure to rotate, a certain torsion moment can be borne by the limiting spring structure, so that certain torsional deformation is generated, and at the moment, the rotating shaft structure can overcome the limiting spring structure to do work and rotate. When the rotating shaft structure rotates to the critical point of the deformation of the limiting spring structure, the rotating shaft structure cannot continue to rotate, so that the control on the rotating angle of the rotating shaft structure is realized, and the rotating angle is prevented from being too large.
Meanwhile, the limiting spring structure is evenly and evenly stressed when being subjected to torsional deformation, so that the rotating shaft structure can be ensured to rotate smoothly, and the problems of large shaking and unstable rotating track when the existing electric fan rotates are thoroughly solved.
Drawings
Fig. 1 is a schematic structural view of a rotation limiting structure of the present invention;
fig. 2 is an exploded view of the rotation limiting structure of the present invention;
FIG. 3 is a schematic view of a second gear configuration of the present invention;
fig. 4 is a schematic view of the structure of the limiting spring of the present invention;
FIG. 5 is a schematic view of a part of the structure of the electric fan of the present invention;
fig. 6 is a schematic view of the overall structure of the electric fan of the present invention;
description of reference numerals: 1. a motor assembly; 101. a motor; 102. a support plate; 2. a second gear structure; 201. an accommodating groove; 202. a limiting bulge structure; 203. a limiting notch; 3. a rotating shaft structure; 4. a limiting spring structure; 401. a main body portion; 402. a first limiting part; 403. a second limiting part; 5. a rotation limiting structure; 6. a support; 7. a fan assembly; 8. a fan housing; 9. a base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, according to an embodiment of the present invention, the rotation limiting structure 5 includes a motor assembly 1, a second gear structure 2, a rotating shaft structure 3, and a limiting spring structure 4.
The motor assembly 1 comprises a motor 101, a support plate 102 and a first gear structure, wherein the motor 101 is fixedly arranged on the support plate 102, and the first gear structure is fixedly connected with the motor 101. Specifically, the motor 101 is fixedly disposed on one side of the supporting plate 102, a rotating shaft of the motor penetrates through the supporting plate 102 and is disposed on the other side of the supporting plate 102, the first gear structure is fixedly disposed on the rotating shaft of the motor, and the motor 101 rotates to drive the rotating shaft of the motor to rotate, so as to drive the rotating shaft of the motor to rotate.
And the second gear structure 2 is meshed with the first gear structure, and the second gear structure 2 is provided with a containing groove 201 in the second gear structure 2. Specifically, the first gear structure is meshed with the second gear structure 2, so that the second gear structure 2 is driven by the motor 101 to rotate synchronously. One side of the second gear structure 2 facing the motor assembly 1 is provided with an accommodating groove 201 for accommodating the limiting spring structure 4.
The rotating shaft structure 3, the rotating shaft structure 3 and the second gear structure 2 are fixedly connected. Specifically, the motor 101 rotates to drive the first gear structure to rotate, so as to drive the second gear structure 2 to rotate, and further drive the second gear structure 2 to realize synchronous rotation.
And one end of the limiting spring structure 4 is arranged in the accommodating groove 201, and the other end of the limiting spring structure 4 is fixedly connected with the support plate 102. Specifically, when the motor 101 drives the first gear structure to rotate and further drives the second gear structure 2 to rotate, since the limiting spring structure 4 can bear a certain torque, a certain torsional deformation is generated, and at this time, the rotating shaft structure 3 can overcome the limiting spring structure 4 to do work and rotate. When the rotating shaft structure 3 rotates to the critical point of deformation of the limiting spring structure 4, the rotating shaft structure 3 cannot continue to rotate, so that the control on the rotating angle of the rotating shaft structure 3 is realized, and the rotating angle is prevented from being too large. Meanwhile, because the stress of the limiting spring structure 4 is uniformly balanced when the limiting spring structure is subjected to torsional deformation, the rotating shaft structure 3 can be ensured to rotate smoothly, and the problems of large shaking and unstable rotating track when the existing electric fan rotates are thoroughly solved.
Referring to fig. 3, according to the embodiment of the present invention, the second gear structure 2 further includes a limiting protrusion 202, the limiting protrusion 202 is disposed in the accommodating groove 201, and the limiting protrusion 202 forms a limiting notch 203. Specifically, the limiting protrusion 202 is an annular structure, and the outer diameter thereof is slightly smaller than the inner diameter of the limiting spring structure 4, and is used for supporting the limiting spring structure 4. The retainer protrusion 202 forms a retainer notch 203, and the retainer notch 203 functions to limit the rotation of the retainer spring structure 4.
Referring to fig. 4, according to the embodiment of the present invention, the limiting spring structure 4 includes a main body portion 401, and the main body portion 401 is disposed in the accommodating groove 201. Specifically, the main body of the limiting spring structure 4 is formed by tightly and rotationally processing a spring structure with high toughness by utilizing a lever principle, has great mechanical energy, and can bear certain torque. The main body portion 401 is sleeved on the outer wall of the annular structure of the limiting protrusion structure 202, and thus the main body portion 401 is fixed to play a supporting role.
Further, the limiting spring structure 4 further includes a first limiting portion 402 and a second limiting portion 403, the first limiting portion 402 and the second limiting portion 403 are respectively disposed at two ends of the main body portion 401, the first limiting portion 402 is disposed in the limiting notch 203, and the second limiting portion 403 is fixedly connected to the supporting plate 102. Specifically, since the first limiting portion 402 is clamped in the limiting notch 203 and the second limiting portion 403 is inserted in the supporting plate 102, when the second gear structure 2 rotates, the limiting protrusion 202 applies a tangential force to the first limiting portion 402 in a rotating direction, so that the main body 401 is twisted and deformed, when the main body 401 is deformed to a critical point, the main body cannot be twisted continuously, at this time, the second gear structure 2 cannot continue to rotate, that is, the rotating shaft structure 3 cannot continue to rotate, and at this time, the rotating angle of the rotating shaft structure 3 is the vertical rotating angle of the electric fan.
Optionally, the main body portion 401, the first limiting portion 402 and the second limiting portion 403 are integrally formed, so that the processing is convenient, and the structural compactness is high.
Optionally, the limiting spring structure 4 is a torsion spring, can bear a certain torsion moment, generates a certain torsional deformation, can ensure that the rotation angle of the rotating shaft structure 3 is too large, and can ensure that the rotating shaft structure 3 rotates smoothly and prevents the rotating shaft structure from shaking because the limiting spring structure 4 is stressed uniformly and evenly during the torsional deformation.
Based on same design, the utility model also provides an electric fan, this electric fan include above rotation limit structure 5.
Referring to fig. 5, according to the embodiment of the present invention, the electric fan further includes a fan assembly 7 and a bracket 8, one end of the rotation limiting structure 5 is fixedly connected to the fan assembly 7, and the other end is rotatably connected to the bracket 6. Specifically, fan subassembly 7 includes axial fan, fan motor and fixed its other auxiliary structure, rotates limit structure 5's motor element 1's one side and fan subassembly 7 fixed connection, rotates limit structure 5's one side and support 6 rotatable coupling of pivot structure 3, and motor 101 drive pivot structure 3 rotates and then drives fan subassembly 7 and rotate for support 6, also shakes the head from top to bottom and rotates.
Referring to fig. 6, according to the embodiment of the present invention, the electric fan further includes a base 9 and a fan housing 8, the bracket 6 is fixedly disposed on the base 9, and the fan assembly 7 is disposed inside the fan housing 8. Specifically, due to the limiting effect of the rotation angle of the limiting spring structure 4 in the rotation limiting structure 5 and the buffering effect of the rotation process, the up-and-down swinging angle of the fan shell 8 and the fan assembly 7 of the electric fan can be controlled within a certain range, and the shaking phenomenon of the fan during swinging is reduced. Meanwhile, the motor 101 with low power can be used for driving rotation, and cost is saved.
To sum up, the utility model provides a rotation limit structure, including motor element 1, second gear structure 2, pivot structure 3 and spacing spring structure 4, the first gear structure of motor 101 drive among the motor element 1 rotates to drive and rotate with first gear structure meshing's second gear structure 2, and then drive pivot structure 3 and rotate. The first spacing portion 402 of the spacing spring structure 4 is clamped in the spacing notch 203 of the second gear structure 2, the second spacing portion 403 is fixedly connected with the supporting plate 102 of the motor component 1, when the motor 101 drives the first gear structure to rotate and further drives the second gear structure 2 to rotate, because the spacing spring structure 4 can bear certain torque to generate certain torsional deformation, and under the limiting action of the first spacing portion 402 and the second spacing portion 403, the rotating shaft structure 3 can overcome the working rotation of the spacing spring structure 4 at the moment. When the rotating shaft structure 3 rotates to the critical point of deformation of the limiting spring structure 4, the rotating shaft structure 3 cannot continue to rotate, so that the control on the rotating angle of the rotating shaft structure 3 is realized, and the rotating angle is prevented from being too large. Meanwhile, because the stress of the limiting spring structure 4 is uniformly balanced when the limiting spring structure is subjected to torsional deformation, the rotating shaft structure 3 can be ensured to rotate smoothly, and the problems of large shaking and unstable rotating track when the existing electric fan rotates are thoroughly solved.
Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and decorations can be made without departing from the basic principle of the present invention, and these modifications and decorations are also considered to be within the scope of the present invention.
Claims (9)
1. A rotation limiting structure is characterized by comprising:
the motor assembly comprises a motor, a supporting plate and a first gear structure, the motor is fixedly arranged on the supporting plate, and the first gear structure is fixedly connected with the motor;
the second gear structure is meshed with the first gear structure, and an accommodating groove is formed in the second gear structure;
the rotating shaft structure is fixedly connected with the second gear structure;
and one end of the limiting spring structure is arranged in the accommodating groove, and the other end of the limiting spring structure is fixedly connected with the supporting plate.
2. The rotational limit structure of claim 1, wherein the second gear structure further comprises a limit protrusion structure disposed in the receiving groove, the limit protrusion structure forming a limit notch.
3. The rotational restraint structure of claim 2 wherein the restraint spring structure includes a main body portion disposed within the receiving recess.
4. The rotation limiting structure according to claim 3, wherein the limiting spring structure further comprises a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion are respectively disposed at two ends of the main body portion, the first limiting portion is disposed in the limiting notch, and the second limiting portion is fixedly connected with the supporting plate.
5. The rotation-limiting structure of claim 4 wherein the main body portion, the first limiting portion and the second limiting portion are integrally formed.
6. The rotational limit structure of claim 1, wherein the limit spring structure is a torsion spring.
7. An electric fan comprising the rotation limiting structure as claimed in any one of claims 1 to 6.
8. The electric fan according to claim 7, further comprising a fan assembly and a bracket, wherein one end of the rotation limiting structure is fixedly connected with the fan assembly, and the other end of the rotation limiting structure is rotatably connected with the bracket.
9. The electric fan as claimed in claim 8, further comprising a base and a fan housing, wherein the bracket is fixedly disposed on the base, and wherein the fan assembly is disposed inside the fan housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054211.0U CN212163065U (en) | 2020-06-09 | 2020-06-09 | Rotation limiting structure and electric fan with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054211.0U CN212163065U (en) | 2020-06-09 | 2020-06-09 | Rotation limiting structure and electric fan with same |
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| Publication Number | Publication Date |
|---|---|
| CN212163065U true CN212163065U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021054211.0U Active CN212163065U (en) | 2020-06-09 | 2020-06-09 | Rotation limiting structure and electric fan with same |
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| Country | Link |
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| CN (1) | CN212163065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183326A (en) * | 2021-12-22 | 2022-03-15 | 珠海格力电器股份有限公司 | Vibration damper of compressor and compressor |
-
2020
- 2020-06-09 CN CN202021054211.0U patent/CN212163065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183326A (en) * | 2021-12-22 | 2022-03-15 | 珠海格力电器股份有限公司 | Vibration damper of compressor and compressor |
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