CN110274289A - A kind of dragline-transmission mechanism and the range hood using the mechanism - Google Patents
A kind of dragline-transmission mechanism and the range hood using the mechanism Download PDFInfo
- Publication number
- CN110274289A CN110274289A CN201910449775.XA CN201910449775A CN110274289A CN 110274289 A CN110274289 A CN 110274289A CN 201910449775 A CN201910449775 A CN 201910449775A CN 110274289 A CN110274289 A CN 110274289A
- Authority
- CN
- China
- Prior art keywords
- drawstring
- transmission mechanism
- dragline
- mechanism according
- limited block
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2078—Removing cooking fumes movable
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
A kind of dragline-transmission mechanism, it is characterized in that being equipped with the output interface that can keep linear motion with drawstring on drawstring, the periphery of drive wheel assemblies has radial projection, mounting plate is equipped with the first limit block and the second limit block, the slewing area of radial projection is limited between the first limited block and the second limited block, and in the state that radial projection and the first limited block offset, output interface is in extreme lower position, in the state that radial projection and the second limited block offset, output interface is in extreme higher position.The invention also discloses a kind of range hoods.The stroke of the dragline-transmission mechanism is limited by the first limit block and the second limit block, big stroke motion may be implemented, and cost is relatively low, the linear motion band dynamic load smooth motion of the output interface on drawstring can also be passed through, the range hood for being equipped with the transmission mechanism can drive the elevating lever of mounting rack two sides to make synchronization lifting movement by the transmission mechanism, and then smoke deflector is made to be able to maintain steady, vertical motion.
Description
Technical field
The present invention relates to a kind of range hoods, more particularly, to a kind of fume-exhausting of the mechanism of dragline-transmission mechanism and application
Machine.
Background technique
Currently, in order to improve the smoke absorption effect of range hood, people have invented the various oil suctions with movable smoke deflector
Smoke machine when range hood works, drives smoke deflector to carry out elevating movement or yaw motion, and then adjust and inhale by driving mechanism
The air inlet angle and intake of kitchen ventilator.As (Authorization Notice No. is CN 205372692 to Patent No. 201620042811.2
U " European type cooker hood with automatic smoke deflector " disclosed in Chinese utility model patent), which includes smoke deflector
And fixed plate, fixed plate side are equipped with fixed guide rail, fix and are equipped with motion guide rail with matching in guide rail, by fixed guide rail
Equipped with drive rod, which offsets with motion guide rail, and the fixed plate other side is equipped with motor, and motor is connected with drive rod, moves
Guide rail lower end is equipped with fixed bracket, and fixed bracket offsets with smoke deflector, and drive rod is equipped with connecting rod, and connecting rod is placed in motion guide rail
On, drive rod and connecting rod are driven by motor, so that motion guide rail be made to move up and down on fixed guide rail, lead cigarette to control
Plate moves up and down.In above-mentioned patent, smoke deflector movement is driven by electric pushrod, not only higher cost, but also be difficult to realize big
Stroke motion.
Summary of the invention
First technical problem to be solved by this invention be for above-mentioned state of the art, provide a kind of cost compared with
Dragline-transmission mechanism that is low, being able to achieve big stroke motion.
Second technical problem to be solved by this invention is to provide a kind of smoke deflector liter for above-mentioned state of the art
The range hood that drop stroke is big, runs smoothly.
The present invention solves technical solution used by above-mentioned first technical problem are as follows: the dragline-transmission mechanism, including peace
Loading board, driving motor, drive wheel assemblies, driven wheel assembly and drawstring, the driving motor is mounted on the mounting plate, described
Drive wheel assemblies are mounted on the output shaft of the driving motor, and the drawstring is wound around the drive wheel assemblies and driven wheel group
On part, it is characterised in that: the output interface that can keep linear motion with drawstring, the active wheels are installed on the drawstring
The periphery of part has radial projection, and the mounting plate is equipped with the first limit block and the second limit block, and the radial projection turns
Dynamic range is limited between the first limited block and the second limited block, and the state to offset in radial projection and the first limited block
Under, the output interface is in the extreme lower position of stroke, in the state that radial projection and the second limited block offset, the output
Interface is in the extreme higher position of stroke.
In order to enable output interface to generate pause in the specific position of stroke, stroke is also installed on the mounting plate and is opened
It closes, the radial projection can trigger the travel switch during rotation, and the driving motor is triggered in travel switch
In the state of stop operating.
Preferably, first limited block is located at the underface of the drive wheel assemblies or close to following location directly,
Second limited block is located at position on the lower side on the right side of drive wheel assemblies, and the travel switch is located at a left side for the drive wheel assemblies
Side.
In order to keep output interface output more steady, the output interface can remain vertical motion.
It rubs between line wheel and drawstring in order to prevent and generates abnormal sound, damage, it is preferable that the drive wheel assemblies include interior
Engaged column part and the line wheel for being enclosed in embedded metal part periphery, the embedded metal part is extended radially out to be formed in the part outside line wheel
The radial projection, the drawstring are wrapped in the line wheel.In general, line wheel uses plastic material injection molding, gold is embedded
Belonging to part can be deformed to avoid line wheel when bearing large torque, be broken, to improve service life.
In order to can wind drawstring on fixed track, and the generations such as rubs mutually, intersection is avoided to wear, the line
The peripheral part of wheel forms the helical orbit for drawstring winding.
Drawstring slides in order to prevent, and drawstring limit hole is equipped with inside the line wheel, is fixed with rope sling on the drawstring, described
Rope sling is embedded in the limit hole.
Further preferably, the drawstring limit hole is distributed along the axial direction of line wheel, and edge has on the front side of drawstring limit hole
The front wall extended downwardly, the rear side lower edge of drawstring limit hole have a rear retaining wall upwardly extended, on the leading flank of the line wheel
It is provided with the front limit slot for extending out to line wheel periphery from the forward position of drawstring limit hole, is provided on the trailing flank of the line wheel from drawing
It restricts the rear along the outside oppositely extending rear limiting slot to line wheel periphery of limit hole.In this way, after rope sling is axially put into drawstring limit hole,
The drawstring of two sides is reversed respectively to be drawn, under the limit of front wall and rear retaining wall, so that it may so that rope sling is stuck in drawstring limit hole, it is preceding
Limiting slot and rear limiting slot can be then caught in for drawstring.
Further preferably, the front limit slot and rear limiting slot are located along the same line.
In order to make output interface be maintained at vertical position, being transversely mounted of being mutually communicated is formed inside the output interface
Hole and vertical spacing hole are serially connected with limit sleeve on the drawstring, and the limit sleeve is laterally put into the lateral mounting hole and energy
Vertical spacing is in the vertical spacing hole after 90 ° of overturning.
Preferably, the driven wheel assembly includes driven wheel seat and the driven wheel that is mounted on driven wheel seat, the drawstring
It is wound on the driven wheel.
It, in tensioning state, further include the strainer having for being tensioned to drawstring to enable drawstring always.
Strainer can have a variety of structures, it is preferable that the strainer and output interface are located at active wheels
The left and right sides of part, the driven wheel assembly line of centres, the strainer include tensioning tube, tensioning support, pre- tight coupling and bullet
Spring, the tensioning support are fixed on the mounting plate and close to the drive wheel assemblies, and the pre- tight coupling is mounted on described
On driven wheel seat, the spring, which supports, to be located between driven wheel seat and pre- tight coupling and has pre- tight coupling far from driven wheel
The trend of seat, the upper end of the tensioning tube are mounted on the tensioning support, and the lower end of tensioning tube is mounted on the pre- tight coupling
On, the drawstring is passed through from tensioning support, tensioning tube and pre- tight coupling.
In order to improve tension effects, the tensioning tube is the bend pipe being bent outwardly.
Further preferably, the tensioning support constitutes second limited block.
The present invention solves technical solution used by above-mentioned second technical problem are as follows: the range hood include blower rack,
Elevating lever, connecting plate and smoke deflector, the elevating lever are located at the left and right sides of blower rack, and the upper end of elevating lever is mounted on the company
On fishplate bar, the lower end of elevating lever is mounted on the smoke deflector, it is characterised in that: the mounting plate is mounted on the blower rack
Front side, the connecting plate are U-shaped connecting plate, the upper end of respective side elevating lever are separately mounted at left and right sides of connecting plate, even
It is fixed on the output interface in the middle part of the front side of fishplate bar.
Compared with the prior art, the advantages of the present invention are as follows: the strokes of the dragline-transmission mechanism by the first limited block and
Second limited block is limited, and the movement of big stroke may be implemented, and cost is relatively low, can also pass through the output interface on drawstring
Linear motion band dynamic load smooth motion, be equipped with the transmission mechanism range hood can by the transmission mechanism drive pacify
The elevating lever for shelving two sides makees synchronization lifting movement, and then smoke deflector is made to be able to maintain steady, vertical motion.
Detailed description of the invention
Fig. 1 is the schematic diagram of transmission mechanism of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another angle of transmission mechanism of the embodiment of the present invention；
Fig. 3 is the partial structural diagram of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the drive wheel assemblies of the embodiment of the present invention；
Fig. 5 is the structure sectional view of the line wheel of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram before the rope sling assembly of the embodiment of the present invention is completed；
Fig. 7 is the structural schematic diagram of the rope sling of the embodiment of the present invention after the assembly is completed；
Fig. 8 is the structural schematic diagram of the output interface of the embodiment of the present invention；
Fig. 9 has just been packed into structural schematic diagram when output interface for the limit sleeve of the embodiment of the present invention；
Figure 10 is structural schematic diagram of the limit sleeve of the embodiment of the present invention after output interface limit；
Figure 11 is the structural schematic diagram of the range hood of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 4, the dragline-transmission mechanism of the present embodiment includes mounting plate 1, driving motor 2, drive wheel assemblies
3, driven wheel assembly 4, drawstring 5 and output interface 6.Wherein, driving motor 2 is mounted on mounting plate 1, and drive wheel assemblies 3 are installed
On the output shaft of driving motor 2, drawstring 5 is steel wire tow line and is wound around in drive wheel assemblies 3 and driven wheel assembly 4, is exported
Interface 6 is mounted on drawstring 5, and can remain vertical motion with drawstring 5.
The drive wheel assemblies 3 of the present embodiment include embedded metal part 31 and the line wheel 32 for being enclosed in embedded metal part periphery.
Wherein, embedded metal part 31 is mounted on the output shaft of driving motor 2, and embedded metal part 31 is extended radially out in the portion outside line wheel 32
Divide and forms radial projection 311.Line wheel is integrated moulding, and the peripheral part of line wheel 32 forms helical orbit 321, and drawstring 5 passes through
Helical orbit 321 is wrapped in line wheel 32.
The first limited block 7 and the second limited block are equipped on mounting plate 1, the slewing area of radial projection 311 is limited in
Between first limited block 7 and the second limited block, and in the state that radial projection 311 and the first limited block 7 offset, output interface
6 are in the extreme lower position of stroke, and in the state that radial projection 311 and the second limited block offset, output interface 6 is in stroke
Extreme higher position.
In addition, the travel switch 8 for controlling driving motor 2 is installed on mounting plate 1, the diameter in drive wheel assemblies 3
Travel switch 8 can be triggered during rotation to convex block 311, and after travel switch 8 is triggered, driving motor 2 stops operating, and makes defeated
Outgoing interface 6 pauses in middle position.In the present embodiment, the distributing position of the first limited block 7, the second limited block and travel switch 8
As follows: the first limited block 7 is located at the underface of drive wheel assemblies 3 or close to following location directly, and the second limited block is located at master
3 right side of drive wheel assemblies position on the lower side, travel switch 8 are located at the left side of drive wheel assemblies 3.
As shown in Figures 5 to 7, the present embodiment is equipped on 322 drawstring 5 of drawstring limit hole inside line wheel 32 and is fixed with rope sling
51, rope sling 51 generally uses aluminum alloy sleeve, and rope sling 51 is embedded in limit hole 332, after rope sling 51 is limited, can prevent drawstring 5
Sliding.Specifically, drawstring limit hole 322 is distributed along the axial direction of line wheel 32, downward along having on the front side of drawstring limit hole 322
The front wall 323 of extension, the rear side lower edge of drawstring limit hole 322 have the rear retaining wall 324 upwardly extended, the leading flank of line wheel 32
On be provided with the front limit slot 325 that line wheel periphery is extended out to from the forward position of drawstring limit hole 322, opened on the trailing flank of line wheel 32
Have from the rear along the outside oppositely extending rear limiting slot 326 to line wheel periphery of drawstring limit hole 322.Also, 325 He of front limit slot
Limiting slot 326 is located along the same line afterwards.
When installing rope sling 51, firstly, the position as shown in Figure 6 of rope sling 51 is put into drawstring limit hole 322, at this point, front
Wall 323 and rear retaining wall 324 act on 51 infinite place of rope sling, and the drawstring 5 at 51 both ends of rope sling is on same straight line；Then, will
The drawstring 5 at 51 both ends of rope sling is drawn toward opposite direction, and rope sling 51 is rotated with it to position as shown in Figure 7, at this point, front wall 323 is with after
Retaining wall 324 plays position-limiting action to rope sling 51, due to keeping tension in this state after drawstring 5, rope sling 51 1
Just it will not deviate from out of drawstring limit hole 322 after denier limit.
As shown in Fig. 8 to Figure 10, the present embodiment limits output interface 6 by limit sleeve 52.Specifically, output connects
The lateral mounting hole 61 being mutually communicated and vertical spacing hole 62 are formed inside mouth 6, limit sleeve 52 is serially connected on drawstring 5, is limited
Set 52 generally uses aluminum alloy sleeve.When installation, first limit sleeve 52 is laterally put into lateral mounting hole 61, then, limit sleeve 52
The drawing 5 of two sides is straightened, and vertical spacing is in vertical spacing hole 62 after so that limit sleeve 52 is overturn 90 °.In this way, output interface 6 just limits
Position will not be slided on limit sleeve 52 with respect to drawstring 5.
The driven wheel assembly 4 of the present embodiment includes the driven driven wheel 42 wheel seat 41 and be mounted on driven wheel seat, drawstring 5
It is wound on driven wheel 42.Another fulcrum of driven wheel assembly 4 as transmission mechanism, allows driving motor 2 forward and reverse all
It can output power.
In addition, the transmission mechanism further includes having for carrying out to drawstring 5 in order to ensure drawstring 5 is in tensioning state always
The strainer 9 of tensioning.In the present embodiment, strainer 9 and output interface 6 are located at drive wheel assemblies 3, driven wheel assembly
The left and right sides of 4 lines of centres.Strainer 9 includes tensioning tube 91, tensioning support 92, pre- tight coupling 93 and spring 94, tensioning
Support 92 is fixed on mounting plate 1 and close to drive wheel assemblies 3, and tensioning support 92 just constitutes second limit of the present embodiment
Block, pre- tight coupling 93 are mounted on driven wheel seat 41, the elasticity of spring 94 support be located between driven wheel seat 41 and pre- tight coupling 93 and
Make pre- tight coupling that there is the trend far from driven wheel seat 41, tensioning tube 91 is the bend pipe being bent outwardly, the upper end peace of tensioning tube 91
Mounted in tensioning support 92 on, the lower end of tensioning tube 91 is mounted in pre- tight coupling 93, drawstring 5 from tensioning support 92, tensioning tube 91
It is passed through with pre- tight coupling 93.Under the elastic force effect of spring 94, tensioning tube 91 can tense drawstring 5 always, be maintained at drawstring 5 and open
Tight state.
As shown in figure 11, the range hood of the present embodiment includes blower rack 10, elevating lever 11, connecting plate 12 and smoke deflector
13, elevating lever 11 is located at the left and right sides of blower rack 10, and the upper end of elevating lever 11 is mounted on connecting plate 12, under elevating lever 11
End is mounted on smoke deflector 13, and mounting plate 1 is mounted on the front side of blower rack 10, and connecting plate 12 is U-shaped connecting plate, connecting plate 12
Left side plate is separately mounted to the upper end of respective side elevating lever 11, be fixed on output interface 6 in the middle part of the front side board of connecting plate 12
On.
When range hood works, transmission mechanism transmission makes output interface 6 make elevating movement, correspondingly, drives connecting plate 12
Make synchronization lifting movement, and then drive smoke deflector 13 to make synchronization lifting movement by elevating lever 11, to meet under different operating conditions
Fume-exhausting requirement.
Claims (16)
1. a kind of dragline-transmission mechanism, including mounting plate (1), driving motor (2), drive wheel assemblies (3), driven wheel assembly (4)
With drawstring (5), the driving motor (2) is mounted on the mounting plate (1), and the drive wheel assemblies (3) are mounted on the drive
On the output shaft of dynamic motor (2), the drawstring (5) is wound around in the drive wheel assemblies (3) and driven wheel assembly (4), special
Sign is: the output interface (6) that linear motion can be kept with drawstring, the drive wheel assemblies are equipped on the drawstring (5)
(3) periphery has radial projection (311), and the mounting plate (1) is equipped with the first limited block (7) and the second limited block (8), institute
The slewing area for stating radial projection (311) is limited between the first limited block (7) and the second limited block, and in radial projection
(311) in the state of offseting with the first limited block (7), the output interface (6) is in the extreme lower position of stroke, in radial projection
(311) in the state of offseting with the second limited block, the output interface (6) is in the extreme higher position of stroke.
2. dragline-transmission mechanism according to claim 1, it is characterised in that: also install stroke on the mounting plate (1)
It switchs (8), the radial projection (311) can trigger the travel switch (8) during rotation, and the driving motor (2)
It stops operating in the state that travel switch is triggered.
3. dragline-transmission mechanism according to claim 2, it is characterised in that: first limited block (7) is located at the master
The underface of drive wheel assemblies (3) or close following location directly, second limited block are located on the right side of drive wheel assemblies (3) partially
Under position, the travel switch (8) is located at the left side of the drive wheel assemblies (3).
4. dragline-transmission mechanism according to claim 1, it is characterised in that: the output interface (6) can remain perpendicular
Straight movement.
5. dragline-transmission mechanism according to claim 1, it is characterised in that: the drive wheel assemblies (3) include embedded gold
The line wheel (32) for belonging to part (31) and being enclosed in embedded metal part periphery, the embedded metal part (31) extend radially out in line wheel (32)
Outer part forms the radial projection (311), and the drawstring (5) is wrapped on the line wheel (32).
6. dragline-transmission mechanism according to claim 5, it is characterised in that: the peripheral part of the line wheel (32) forms confession
The helical orbit (321) of drawstring (5) winding.
7. dragline-transmission mechanism according to claim 5, it is characterised in that: be equipped with drawstring inside the line wheel (32) and limit
Hole (322) is fixed with rope sling (51) on the drawstring (5), and the rope sling (51) is embedded in the limit hole (332).
8. dragline-transmission mechanism according to claim 7, it is characterised in that: the drawstring limit hole (322) is along line wheel
(32) axial direction is distributed, along with the front wall (323) extended downwardly, drawstring limit hole on the front side of drawstring limit hole (322)
(322) rear side lower edge has the rear retaining wall (324) upwardly extended, is provided on the leading flank of the line wheel (32) from drawstring and is limited
The forward position in hole (322) extends out to the front limit slot (325) of line wheel periphery, is provided on the trailing flank of the line wheel (32) from drawing
It restricts the rear along the outside oppositely extending rear limiting slot (326) to line wheel periphery of limit hole (322).
9. dragline-transmission mechanism according to claim 8, it is characterised in that: the front limit slot (325) and rear limiting slot
(326) it is located along the same line.
10. dragline-transmission mechanism according to claim 1, it is characterised in that: form phase inside the output interface (6)
The lateral mounting hole (61) mutually penetrated through and vertical spacing hole (62) are serially connected with limit sleeve (52), the limit on the drawstring (5)
Set (52) be laterally put into the lateral mounting hole (61) and after 90 ° can be overturn vertical spacing in the vertical spacing hole (62)
It is interior.
11. dragline-transmission mechanism according to claim 1, it is characterised in that: the driven wheel assembly (4) includes driven wheel
Seat (41) and the driven wheel (42) being mounted on driven wheel seat, the drawstring (5) are wound on the driven wheel (42).
12. dragline-transmission mechanism according to claim 11, it is characterised in that: further include having for being carried out to drawstring (5)
The strainer (9) of tensioning.
13. dragline-transmission mechanism according to claim 12, it is characterised in that: the strainer (9) and output interface
(6) it is located at the left and right sides of drive wheel assemblies (3), driven wheel assembly (4) line of centres, the strainer (9) includes
Tensioning tube (91), tensioning support (92), pre- tight coupling (93) and spring (94), the tensioning support (92) are fixed on the installation
On plate (1) and close to the drive wheel assemblies (3), the pre- tight coupling (93) is mounted on the driven wheel seat (41), described
Spring (94) elasticity, which is supported, to be located between driven wheel seat (41) and pre- tight coupling (93) and has pre- tight coupling (93) far from driven
The trend of wheel seat (41), the upper end of the tensioning tube (91) are mounted on the tensioning support (92), the lower end of tensioning tube (91)
It is mounted on the pre- tight coupling (93), the drawstring (5) is worn from tensioning support (92), tensioning tube (91) and pre- tight coupling (93)
It crosses.
14. dragline-transmission mechanism according to claim 13, it is characterised in that: the tensioning tube (91) is to be bent outwardly
Bend pipe.
15. dragline-transmission mechanism according to claim 13, it is characterised in that: tensioning support (92) constitutes described
Second limited block.
16. a kind of range hood using dragline-transmission mechanism described in any claim in claim 1 to 15, including blower
Frame (10), elevating lever (11), connecting plate (12) and smoke deflector (13), the elevating lever (11) are located at the left and right two of blower rack (10)
Side, the upper end of elevating lever (11) are mounted on the connecting plate (12), and the lower end of elevating lever (11) is mounted on the smoke deflector
(13) on, it is characterised in that: the mounting plate (1) is mounted on the front side of the blower rack (10), and the connecting plate (12) is U-shaped
Connecting plate, the left side plate of connecting plate (12) are separately mounted to the upper end of respective side elevating lever (11), before connecting plate (12)
It is fixed on the output interface (6) in the middle part of side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449775.XA CN110274289B (en) | 2019-05-28 | 2019-05-28 | Stay cord drive mechanism and range hood applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449775.XA CN110274289B (en) | 2019-05-28 | 2019-05-28 | Stay cord drive mechanism and range hood applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110274289A true CN110274289A (en) | 2019-09-24 |
| CN110274289B CN110274289B (en) | 2020-10-27 |
Family
ID=67959129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910449775.XA Active CN110274289B (en) | 2019-05-28 | 2019-05-28 | Stay cord drive mechanism and range hood applying same |
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| Country | Link |
|---|---|
| CN (1) | CN110274289B (en) |
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| CN2078741U (en) * | 1990-11-29 | 1991-06-12 | 周守林 | Direct-coupled two-position-limiting controlling device |
| CN2178713Y (en) * | 1993-03-31 | 1994-10-05 | 龙启桂 | Electronic spacing apparatus |
| CN2599438Y (en) * | 2002-12-24 | 2004-01-14 | 郑少添 | Lifting oil-fume exhauster |
| CN101559836A (en) * | 2008-04-15 | 2009-10-21 | 中国国际海运集装箱(集团)股份有限公司 | Aerobridge lifting device and method for adjusting same |
| CN102494652A (en) * | 2011-12-21 | 2012-06-13 | 上海三一科技有限公司 | Self-checking winding counting device and counting method thereof |
| CN204000337U (en) * | 2014-07-26 | 2014-12-10 | 刘江华 | A kind of built-in winding mechanism clothes hanger |
| CN205773003U (en) * | 2016-06-18 | 2016-12-07 | 自贡启航船舶有限公司 | A kind of hoist engine |
-
2019
- 2019-05-28 CN CN201910449775.XA patent/CN110274289B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078741U (en) * | 1990-11-29 | 1991-06-12 | 周守林 | Direct-coupled two-position-limiting controlling device |
| CN2178713Y (en) * | 1993-03-31 | 1994-10-05 | 龙启桂 | Electronic spacing apparatus |
| CN2599438Y (en) * | 2002-12-24 | 2004-01-14 | 郑少添 | Lifting oil-fume exhauster |
| CN101559836A (en) * | 2008-04-15 | 2009-10-21 | 中国国际海运集装箱(集团)股份有限公司 | Aerobridge lifting device and method for adjusting same |
| CN102494652A (en) * | 2011-12-21 | 2012-06-13 | 上海三一科技有限公司 | Self-checking winding counting device and counting method thereof |
| CN204000337U (en) * | 2014-07-26 | 2014-12-10 | 刘江华 | A kind of built-in winding mechanism clothes hanger |
| CN205773003U (en) * | 2016-06-18 | 2016-12-07 | 自贡启航船舶有限公司 | A kind of hoist engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110274289B (en) | 2020-10-27 |
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