CN110081507A - Slipping protection mechanism and electric heater equipped with it - Google Patents
Slipping protection mechanism and electric heater equipped with it Download PDFInfo
- Publication number
- CN110081507A CN110081507A CN201910481123.4A CN201910481123A CN110081507A CN 110081507 A CN110081507 A CN 110081507A CN 201910481123 A CN201910481123 A CN 201910481123A CN 110081507 A CN110081507 A CN 110081507A
- Authority
- CN
- China
- Prior art keywords
- turntable
- frictional fit
- electric heater
- rotating member
- connector
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Heating Systems (AREA)
Abstract
The present invention relates to a kind of slipping protection mechanism and equipped with its electric heater, comprising: actuator；Skidding part is sequentially connected with the driving end of the actuator, and the skidding part has the first frictional fit face；Turntable has the second frictional fit face towards first frictional fit face；Wherein, first frictional fit face and second frictional fit face frictional fit and the actuator turntable that links is allowed to rotate；When the external resistance suffered by the turntable is greater than the frictional force between first frictional fit face and second frictional fit face, produce relative rotation between the skidding part and the turntable.Above-mentioned slipping protection mechanism and electric heater, when turntable is by biggish external resistance, then turntable produces relative rotation with skidding part, not will lead to the stall for the actuator being fixedly connected with skidding part so, increases the service life of actuator.
Description
Technical field
The present invention relates to protection technique fields, more particularly to a kind of slipping protection mechanism and equipped with its electric heater.
Background technique
With social progress and the improvement of people's living standards, electric heater is applied more and more widely in the daily of people
In life.Electric heater mainly sent in a manner of far infrared radiation and thermal convection it is warm, can be widely used for house, office, hotel,
The places such as market, hospital, school and railway carriage.
Electric heater includes outlet grid and dust-proof deflector, and dust-proof deflector is set on outlet grid, when dust-proof deflector hides
Dust-proof effect is played when keeping off air grid, plays guide functions when dust-proof deflector appears outlet grid.It is switched on or closes in electric heater
During machine, dust-proof deflector relative to outlet grid move to block or appear outlet grid, when dust-proof deflector encounter it is larger
It will appear the case where dust-proof deflector can not be opened or closed normally when resistance, so just cause to drive dust-proof deflector rotation
There is the phenomenon that stall in motor, when motor rotation blockage overlong time is greater than its torsion, to will lead to the gear damage inside motor
It is bad, influence the normal use of motor.
Summary of the invention
Based on this, it is necessary to aiming at the problem that motor rotation blockage occurred in traditional electric heater, provide a kind of avoidable motor
The slipping protection mechanism and electric heater of stall.
A kind of slipping protection mechanism, comprising:
Actuator；Skidding part is sequentially connected with the driving end of the actuator, and the skidding part has the first frictional fit
Face；
Turntable has the second frictional fit face towards first frictional fit face；
Wherein, first frictional fit face and second frictional fit face frictional fit and the actuator is allowed to join
Move the turntable rotation；
The external resistance suffered by the turntable is greater than first frictional fit face and second frictional fit face
Between frictional force when, produce relative rotation between the skidding part and the turntable.
First frictional fit face is formed in the axis of the skidding part towards the turntable in one of the embodiments,
To on end face, second frictional fit face is opened on axial end face of the turntable towards the skidding part.
First frictional fit face passes through the side engaged with second frictional fit face in one of the embodiments,
Formula frictional fit.
A kind of electric heater, including slipping protection mechanism as described in any one of the above embodiments.
The electric heater includes rotating member in one of the embodiments, and the rotating member and the turntable are coupled, described
Turntable is rotated by rotating member described in linkage the actuator.
The rotating member is configured to the dust-proof deflector of the electric heater in one of the embodiments,；
The electric heater further includes outlet grid, and the dust-proof deflector can be blocked or be shown under the linkage effect of the turntable
Reveal the outlet grid.
The electric heater further includes connector in one of the embodiments,；
Wherein, one end of the connector and the rotating member are rotatablely connected, and the turntable includes disk body, the disk body tool
There is the connection position of eccentric setting, the other end of the connector is rotatablely arranged at the connection position；The connector is in institute
It states and moves rotating member described in linkage under the transmission of turntable around a pivot axis.
The electric heater further includes shaft in one of the embodiments, and the shaft is fixedly connected with the rotating member,
The connector moves rotating member described in linkage and the shaft around the rotation axis of the shaft under the transmission of the turntable
Line rotation.
The connection position is configured to protrude from the disk body towards the connector axial end in one of the embodiments,
The other end of the pillar in face, the pillar and the connector is rotatablely connected.
In one of the embodiments, the connector include a connecting rod, one end of a connecting rod with described turn
Moving part rotation connection, the other end are rotatablely arranged at the connection position；
Alternatively, the connector includes at least two connecting rods, one and the rotating member turn at least two connecting rods
Dynamic to connect, another is rotatablely connected with the turntable at least two connecting rods, and phase between every adjacent two connecting rods
Mutually rotation connection.
Above-mentioned slipping protection mechanism and electric heater, when turntable is by biggish external resistance, then turntable and skidding part produce
It is raw to relatively rotate, it not will lead to the stall for the actuator being fixedly connected with skidding part so, increase the service life of actuator.
Detailed description of the invention
Fig. 1 is the explosive view for the slipping protection mechanism that one embodiment of the invention provides；
Fig. 2 is the installation diagram of slipping protection mechanism shown in Fig. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Refering to fig. 1, one embodiment of the invention provides a kind of slipping protection mechanism 10, for by biggish external resistance
When its actuator 11 (following) and driven member (following) between produce relative rotation, with play the role of protect actuator 11.
Specifically, which is set on electric heater 100, it is possible to understand that ground, the slipping protection mechanism 10 can also be set
It is placed in the equipment that other need to protect actuator 11, is not limited thereto.
Referring to Fig.2, slipping protection mechanism 10 includes actuator 11, turntable 12 and skidding part 13, actuator 11 is for passing through
Skidding part 13 drives turntable 12 (as driven member) rotation, and skidding part 13 can skid between turntable 12, and (skidding part 13 can
Rotated relative to turntable 12) to prevent 11 stall of actuator.
Specifically, the driving end of skidding part 13 and actuator 11 is sequentially connected, and skidding part 13 has the first frictional fit face,
Turntable 12 has second frictional fit face of the skidding part 13 towards the first frictional fit face.Actuator 11 pass through skidding part 13 the
Second frictional fit face frictional fit of one frictional fit face and turntable 12 driving turntable 12 rotates, and works as suffered by turntable 12
When external resistance is greater than the frictional force between the first frictional fit face and the second frictional fit face, between skidding part 13 and turntable 12
It produces relative rotation.
In this way, working as external resistance suffered by turntable 12 by setting is greater than the first frictional fit face and the second frictional fit
It produces relative rotation between skidding part 13 and turntable 12 when frictional force between face, when turntable 12 is by biggish external resistance
When, then turntable 12 produces relative rotation with actuator 11, not will lead to the stall of actuator 11, increases the use of actuator 11
Service life.
In one embodiment, above-mentioned actuator 11 is driving motor.It is to be appreciated that in further embodiments, driving
Moving part 11 can also be other kinds of actuator 11, as long as can be driven by the frictional force between skidding part 13 and turntable 12
The actuator 11 of turntable 12, is not limited thereto.
Specifically, slipping protection mechanism 10 further includes pin 14, and skidding part 13 is solid by the drive shaft of pin 14 and driving motor
Fixed connection.More specifically, skidding part 13 is slipping gear, when the external resistance that turntable 12 is subject to is greater than turntable 12 and slipping gear
Between frictional force when, slipping gear relative to turntable 12 skid.
In one embodiment, the first frictional fit face is formed on axial end face of the skidding part 13 towards turntable 12, the
Two frictional fit faces are formed on axial end face of the turntable 12 towards skidding part 13.It is to be appreciated that in further embodiments,
First frictional fit face can also be formed on circumferential surface of the skidding part 13 towards turntable 12, and the second frictional fit face, which is formed in, to be turned
On circumferential surface of the disk 12 towards skidding part 13, also it is not construed as limiting herein.
Specifically, the first frictional fit face and second frictional fit face frictional fit by way of engaging.That is skidding part
13 axial end faces towards turntable 12 are provided with the first tooth, and turntable 12 is provided with the second tooth towards the axial end face of skidding part 13,
First frictional fit face is meshed by the first tooth with the second tooth with the second frictional fit face.It is to be appreciated that in other realities
It applies in example, is also possible to skidding part 13 towards the circumferential surface of turntable 12 and is provided with the first tooth, week of the turntable 12 towards skidding part 13
Face is provided with the second tooth, the first frictional fit face is meshed by the first tooth with the second tooth with the second frictional fit face, herein
It is not construed as limiting.
In specific assembly, the drive shaft of driving motor is arranged in skidding part 13, the axial end face setting of skidding part 13
There is the first tooth engagement of the second tooth with the axial end face for being set to turntable 12, and the drive shaft of driving motor is arranged in turntable 12
Interior, polished rod screw 90 is arranged in the free end of drive shaft and is connected to the axial end face that turntable 12 deviates from skidding part 13.
Further, above-mentioned first tooth and the second tooth are interference fitted, to further increase rubbing between 13 turntable 12 of skidding part
Power is wiped, consequently facilitating actuator 11 drives turntable 12 to rotate by skidding part 13.
Another embodiment of the present invention also provides a kind of electric heater 100 including above-mentioned slipping protection mechanism 10, electric heater 100
It further include rotating member 40, rotating member 40 is connect with turntable 12, and turntable 12 is rotated by linkage rotating member actuator 11
40。
It should be noted that the external world that above-mentioned turntable 12 is subject to hinders when electric heater 100 further includes rotating member 40
Power can be its external resistance being directly subject to, and can also be that rotating member 40 is transmitted to the external resistance of turntable 12.
Specifically, above-mentioned rotating member 40 is configured to the dust-proof deflector of electric heater 100, when actuator 11 passes through skidding part 13
When driving turntable 12 drives dust-proof deflector to rotate, the dust-proof and water conservancy diversion of electric heater 100 may be implemented.Specifically, electric heater 100
Further include outlet grid, dust-proof deflector is set on outlet grid, and can by actuator 11 drive turntable 12 drive its relative to
Outlet grid rotation, plays dust-proof effect when dust-proof deflector blocks outlet grid, when dust-proof deflector appears outlet grid, plays
The effect of water conservancy diversion.
In one embodiment, electric heater 100 further includes connector 30, and one end of connector 30 and the rotation of rotating member 40 connect
It connects, turntable 12 includes disk body 121, and disk body 121 has the connection position 122 of eccentric setting, and the other end of connector 30 is rotationally
It is set to connection position 122.When actuator 11 passes through the first frictional fit face of skidding part 13 and the second frictional fit of turntable 12
When face drives turntable 12 to rotate, it can be moved with follower link 30, to drive rotating member 40 around a pivot axis.
It is arranged in this way, being rotated respectively with the connection position 122 of rotating member 40 and turntable 12 by the both ends of connector 30, it can be with
Keep the pivot center of rotating member 40 different from the pivot center of turntable 12, can flexibly control the position of the pivot center of rotating member 40
It sets.
It should be noted that the external world that above-mentioned turntable 12 is subject to hinders when electric heater 100 further includes connector 30
Power can be its external resistance being directly subject to, and can also be that connector 30 is transmitted to the external resistance of turntable 12, is also possible to
Rotating member 40 is transmitted to the external resistance of turntable 12 by connector 30.
It is to be appreciated that in further embodiments, electric heater 100 can be omitted connector 30, rotating member 40 directly with
Turntable 12 is fixedly connected, and the pivot center of rotating member 40 will be identical as the pivot center of turntable 12 at this time.
In one embodiment, connection position 122 is configured to protrude from the convex of axial end face of the disk body 121 towards connector 30
Column, pillar and connector 30 are rotatablely connected.Connection position 122 is configured to the mode of pillar, can connect in order to rotate with connector 30
It connects.It is appreciated that in further embodiments, connection position 122 can also be to be formed directly into disk body 121 towards connector 30
The joint face of axial end face, is also not construed as limiting herein.
In one embodiment, connector 30 includes a connecting rod, and one end of a connecting rod and rotating member 40 are rotatablely connected,
The other end is rotatablely arranged at connection position 122.In another embodiment, connector 30 includes at least two connecting rods, at least
One is rotatablely connected with rotating member 40 in two connecting rods, and another is rotatablely connected with turntable 12 at least two Gen Liangen, and every phase
It is mutually rotatablely connected between adjacent two connecting rods.
Specifically, hinged between connecting rod and turntable 12 and rotating member 40, polished rod screw 90 is arranged in connecting rod and turntable 12
Connection position 122, hinged between turntable 12 and connecting rod to realize, polished rod screw 90 is arranged in connecting rod and rotating member 40, with reality
It is hinged between existing connecting rod and rotating member 40.
In one embodiment, electric heater 100 further includes adapter 60, and adapter 60 is fixedly connected with rotating member 40, even
Bar is rotatablely connected by adapter 60 and rotating member 40.Adapter 60 is set, and adapter 60 is connect with link rotatable, it is possible to reduce
The damage probability of rotating member 40.Specifically, adapter 60 is fixedly connected by fixing screws with rotating member 40.
Specifically, electric heater 100 further includes shaft 70, and shaft 70 is fixedly connected with rotating member 40, and connector 30 is in turntable
Under 12 transmission move linkage rotating member 40 around the shaft 70 pivot axis.More specifically, electric heater 100 further includes shell
Body, shaft 70 are rotationally assemblied on shell, and when actuator 11 drives turntable 12 to rotate by skidding part 13, turntable 12 passes through
Connector 30 drive rotating member 40 and shaft 20 relative to shell around the shaft 20 pivot axis.
The working principle of electric heater 100 provided in an embodiment of the present invention is as follows:
When electric heater 100 is switched on, actuator 11 drives turntable 12 to rotate follower link 30 in parallel, connector around a direction
30 can drive dust-proof deflector around and shaft 20 it is common around the shaft 20 pivot center relative to housing into rotation to appear outlet grid；
When electric heater 100 shuts down, actuator 11 drives turntable 12 around follower link 30 in parallel with above-mentioned contrary direction rotation,
Connector 30 can drive dust-proof deflector and shaft 30 it is common around the shaft 20 pivot center relative to housing into rotation to block out
Air grid.
During electric heater 100 is switched on or shuts down, when the resistance that dust-proof deflector is subject to is larger, i.e., dust-proof water conservancy diversion
Plate by the external resistance that connector 30 is transmitted to turntable 12 be greater than turntable 12 the second frictional fit face and skidding part 13 the
When frictional force between one frictional fit face, produce relative rotation between skidding part 13 and turntable 12.
By above-mentioned setting, during electric heater 100 is switched on or shuts down, when dust-proof deflector is by biggish resistance
When, actuator 11 (driving motor) stall will not be caused, increase the service life of actuator 11.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of slipping protection mechanism (10) characterized by comprising
Actuator (11)；Skidding part (13) is sequentially connected with the driving end of the actuator (11), and the skidding part (13) has
First frictional fit face；
Turntable (12) has the second frictional fit face towards first frictional fit face；
Wherein, first frictional fit face and second frictional fit face frictional fit and the actuator (11) is allowed to join
Move the turntable (12) rotation；
The external resistance suffered by the turntable (12) is greater than first frictional fit face and second frictional fit face
Between frictional force when, produce relative rotation between the skidding part (13) and the turntable (12).
2. slipping protection mechanism (10) according to claim 1, which is characterized in that first frictional fit face is formed in
On the axial end face of the skidding part (13) towards the turntable (12), second frictional fit face is opened in the turntable
(12) on the axial end face towards the skidding part (13).
3. slipping protection mechanism (10) according to claim 1 or 2, which is characterized in that first frictional fit face with
Second frictional fit face frictional fit by way of engagement.
4. a kind of electric heater (100), which is characterized in that including slipping protection mechanism as described in any one of claims 1-3
(10)。
5. electric heater (100) according to claim 4, which is characterized in that the electric heater (100) includes rotating member
(40), the rotating member (40) and the turntable (12) are coupled, and the turntable (12) turns under the driving of the actuator (11)
Rotating member (40) described in dynamic linkage.
6. electric heater (100) according to claim 5, which is characterized in that the rotating member (40) is configured to the electric heating
The dust-proof deflector of device (100)；
The electric heater (100) further includes outlet grid, and the dust-proof deflector can hide under the linkage effect of the turntable (12)
Keep off or appear the outlet grid.
7. electric heater (100) according to claim 5, which is characterized in that the electric heater (100) further includes connector
(30)；
Wherein, one end Yu the rotating member (40) rotation connection of the connector (30), the turntable (12) includes disk body
(121), the disk body (121) has the connection position (122) of eccentric setting, and the other end of the connector (30) is rotationally set
It is placed in the connection position (122)；The connector (30) moves rotating member described in linkage under the transmission of the turntable (12)
(40) around a pivot axis.
8. electric heater (100) according to claim 7, which is characterized in that the electric heater (100) further includes shaft
(70), the shaft (70) is fixedly connected with the rotating member (40), transmission of the connector (30) in the turntable (12)
Pivot axis of the rotating member (40) and the shaft (70) described in lower movement linkage around the shaft (70).
9. electric heater (100) according to claim 7, which is characterized in that the connection position (122) is configured to protrude from institute
State pillar of the disk body (121) towards the connector (30) axial end face, the other end of the pillar and the connector (30)
Rotation connection.
10. electric heater (100) according to claim 7, which is characterized in that the connector (30) includes a connecting rod,
One end and the rotating member (40) of a piece connecting rod are rotatablely connected, and the other end is rotatablely arranged at the connection position
(122)；
Alternatively, the connector (30) includes at least two connecting rods, one and the rotating member at least two connecting rods
(40) it is rotatablely connected, another is rotatablely connected with the turntable (20) at least two connecting rods, and often described in adjacent two
It is mutually rotatablely connected between connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481123.4A CN110081507A (en) | 2019-06-04 | 2019-06-04 | Slipping protection mechanism and electric heater equipped with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481123.4A CN110081507A (en) | 2019-06-04 | 2019-06-04 | Slipping protection mechanism and electric heater equipped with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081507A true CN110081507A (en) | 2019-08-02 |
Family
ID=67423446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910481123.4A Pending CN110081507A (en) | 2019-06-04 | 2019-06-04 | Slipping protection mechanism and electric heater equipped with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081507A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751439A (en) * | 2022-11-25 | 2023-03-07 | 珠海格力电器股份有限公司 | Reversing air duct structure and warm air blower |
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| US3445991A (en) * | 1965-09-03 | 1969-05-27 | Yard Man Inc | Self-propelled mower |
| JPH08277847A (en) * | 1995-04-05 | 1996-10-22 | Toyota Autom Loom Works Ltd | Over-load preventing device |
| CN1558075A (en) * | 2004-01-16 | 2004-12-29 | 董祥义 | Electrical/hand driven double-purpose opening device for side hang window |
| CN2697937Y (en) * | 2004-02-20 | 2005-05-04 | 胡继宁 | Rotation stop proof structure for motor of electric spanner |
| CN203548616U (en) * | 2013-04-12 | 2014-04-16 | 黑龙江融拓北方机械制造有限公司 | Jaw clutch protecting device |
| CN203880890U (en) * | 2014-06-17 | 2014-10-15 | 珠海格力电器股份有限公司 | Air sweeping component and air conditioner with same |
| CN203939952U (en) * | 2014-05-19 | 2014-11-12 | 深圳市捷顺科技实业股份有限公司 | Transmission device and pass gates |
| CN204765699U (en) * | 2015-07-06 | 2015-11-18 | 南京普爱射线影像设备有限公司 | Be used for rotatory torque protection device of medical X -ray production apparatus motor |
| CN210153934U (en) * | 2019-06-04 | 2020-03-17 | 珠海格力电器股份有限公司 | Skid protection mechanism and electric heater with same |
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2019
- 2019-06-04 CN CN201910481123.4A patent/CN110081507A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3445991A (en) * | 1965-09-03 | 1969-05-27 | Yard Man Inc | Self-propelled mower |
| JPH08277847A (en) * | 1995-04-05 | 1996-10-22 | Toyota Autom Loom Works Ltd | Over-load preventing device |
| CN1558075A (en) * | 2004-01-16 | 2004-12-29 | 董祥义 | Electrical/hand driven double-purpose opening device for side hang window |
| CN2697937Y (en) * | 2004-02-20 | 2005-05-04 | 胡继宁 | Rotation stop proof structure for motor of electric spanner |
| CN203548616U (en) * | 2013-04-12 | 2014-04-16 | 黑龙江融拓北方机械制造有限公司 | Jaw clutch protecting device |
| CN203939952U (en) * | 2014-05-19 | 2014-11-12 | 深圳市捷顺科技实业股份有限公司 | Transmission device and pass gates |
| CN203880890U (en) * | 2014-06-17 | 2014-10-15 | 珠海格力电器股份有限公司 | Air sweeping component and air conditioner with same |
| CN204765699U (en) * | 2015-07-06 | 2015-11-18 | 南京普爱射线影像设备有限公司 | Be used for rotatory torque protection device of medical X -ray production apparatus motor |
| CN210153934U (en) * | 2019-06-04 | 2020-03-17 | 珠海格力电器股份有限公司 | Skid protection mechanism and electric heater with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751439A (en) * | 2022-11-25 | 2023-03-07 | 珠海格力电器股份有限公司 | Reversing air duct structure and warm air blower |
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