CN209100757U - A kind of automatic executing agency for smoke exhaust fire damper - Google Patents
A kind of automatic executing agency for smoke exhaust fire damper Download PDFInfo
- Publication number
- CN209100757U CN209100757U CN201821845206.4U CN201821845206U CN209100757U CN 209100757 U CN209100757 U CN 209100757U CN 201821845206 U CN201821845206 U CN 201821845206U CN 209100757 U CN209100757 U CN 209100757U
- Authority
- CN
- China
- Prior art keywords
- gear
- torsional spring
- chuck
- main shaft
- mounting plate
- 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.)
- Active
Links
Landscapes
- Air-Flow Control Members (AREA)
Abstract
The utility model relates to fire-fighting equipment technical fields, specially a kind of automatic executing agency for smoke exhaust fire damper, bottom plate, mounting plate, main shaft, one end of the main shaft is connect across mounting plate and with the transmission mechanism positioned at mounting plate and bottom plate, handle is provided on the other end of the main shaft, torsional spring and lower torsional spring are arranged on the main shaft, secondary action positioning seat is provided on spindle chuck component, the secondary action positioning seat engages with movable rod, and the movable rod is connect with electromagnet；The utility model executing agency uses upper and lower torsion spring form, when inverse time needle open valve, lower torsional spring effect, then the effect of valve reset Shi , Shang torsional spring is closed clockwise, when exhaust gas temperature is up to or over 280 DEG C, electromagnet adsorbs movable rod after being powered, so that movable rod rotates clockwise certain angle, so that movable rod and secondary action positioning seat are detached from, so that switch plectrum and the first microswitch are detached from, and alarmed accordingly.
Description
Technical field
The utility model relates to fire-fighting equipment technical field, especially a kind of automatic execution machine for smoke exhaust fire damper
Structure.
Background technique
Fire resisting damper in ventilating system is in fire come temporarily outdoor to guidance smog discharge and blow to interior
Critical component, with the development of China's economy and society, skyscraper is more and more, and skyscraper most payes attention to fire safety problem,
Therefore smoke exhaust fire damper is mounted in the ventilating system of general skyscraper, the blade unlatching of smoke exhaust fire damper can discharge fume,
Blade can stop dense smoke to spread towards the place such as other rooms and corridor when closing.The blade of general control smoke exhaust fire damper is opened
It opens and closes by executing agency and control, blade is in close state when usual, once fire occurs, actuating mechanism controls are opened
The blade of smoke exhaust fire damper is discharged fume, if dense smoke is more than certain temperature, when such as 280 DEG C, Mars has been had in dense smoke, if at this time
It does not close the blade of smoke exhaust fire damper to prevent to discharge fume, fire spreading can be encouraged, it is therefore desirable to which executing agency closes blade.
After a kind of executing agency of the prior art is able to achieve the blade of opened smoke-discharging fire resisting damper, closed again by temperature control
Blade is closed, being exactly that we are usually described can discharge fume but also fireproof secondary action executing agency.But the smoke evacuation of the prior art
The phenomenon that fire resisting damper secondary action executing agency has the disadvantage in that after fire occurs, often will appear power-off, in power-off
In the case of the secondary action executing agency of the prior art can not automatically turn on the blade of smoke exhaust fire damper and discharge fume, and existing skill
The secondary action executing agency of art only has the function of hand-reset, if the executing agency is mounted on higher position, grasps manually
Work will be inconvenient, in addition, since existing fire resisting damper is typically all to use up time needle open valve, then answer valve counterclockwise
Position, this mode of operation and warming hole are on the contrary, cannot achieve its unification, so that in production, operating process complexity, production efficiency
It is low.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of automatic executing agency for smoke exhaust fire damper, should
Executing agency uses upper and lower torsion spring form, when inverse time needle open valve, lower torsional spring effect, then valve reset is closed clockwise
The effect of Shi , Shang torsional spring.
The technical solution of the utility model are as follows: a kind of automatic executing agency for smoke exhaust fire damper, including bottom plate, installation
Plate, main shaft, the mounting plate are arranged on bottom plate, one end of the main shaft pass through mounting plate and be located at mounting plate and bottom plate
Between transmission mechanism connection, be provided with handle on the other end of the main shaft, collar bush be also arranged on the main shaft of part, it is close
It is arranged with torsional spring on the main shaft of handle one end, lower torsional spring, the upper torsional spring and lower torsional spring are arranged on the collar bush
Direction of rotation on the contrary, being also arranged with spindle chuck component on main shaft between the upper torsional spring and lower torsional spring, described is upper
Torsional spring and lower torsional spring are connect with spindle chuck component；
The upper end of the spindle chuck component is additionally provided with secondary action positioning seat, and the secondary action positioning seat is logical
It crosses the setting of positioning seat axis on a mounting board, is also arranged on the positioning seat axis for driving secondary action positioning seat to act
Torsional spring is positioned, the switch plectrum for matching with the first microswitch is additionally provided on the secondary action positioning seat, not
When fire occurs, switch plectrum is contacted with the first microswitch, and the first microswitch installation is on a mounting board；
One end of the secondary action positioning seat is additionally provided with a movable rod, and the movable rod can by pitman shaft
On a mounting board, the upper end of the movable rod engages with secondary action positioning seat, the movable rod for the setting of rotation
Lower end and electromagnet center axis connection, the described electromagnet setting on a mounting board, when a fire, electromagnetism Tie Tong
Electricity adsorbs the lower end of movable rod by electromagnet, so that movable rod rotates clockwise certain angle around pitman shaft, so that living
The upper end of dynamic connecting rod and secondary action positioning seat are detached from, and secondary action positioning seat rotates counterclockwise one under the action of positioning torsional spring
Fixed angle so that the switch plectrum and the first microswitch on secondary action positioning seat are detached from, and is reported accordingly
It is alert.
Further, the transmission mechanism includes motor and successively ratcheting motor gear, duplicate gear a, duplex
Gear b, duplicate gear c, convex gear, the motor gear are connect with motor drive, the duplicate gear a, duplicate gear
B, duplicate gear c passes through gear shaft a, gear shaft b, gear shaft c setting on a mounting board respectively, and the convex gear is arranged in master
On axis.
Further, the spindle chuck component includes the first chuck and the second chuck, and first chuck is arranged
On main shaft, second chuck is set on collar bush, and the limit of an arc is offered on first chuck
Slot, is provided with a limited post for matching with the limiting slot of arc on second chuck, on second chuck
It is additionally provided with a clamping portion.
One end of the upper torsional spring is connect with main shaft, and the other end is connect with the clamping portion of the second chuck, the lower torsion
One end of spring is connect with the second chuck, and the other end is connect with mounting plate.
It is additionally provided with a positioning rotor on the secondary action positioning seat, the positioning rotor and is provided with the first chuck
With the curved opening contact on the second chuck.
One end of the positioning torsional spring is connect with the second chuck, and the other end is connect with mounting plate.
The lower end of the movable rod is additionally provided with a push handle, controls movable rod and secondary action positioning seat by push handle
Engaging is detached from.
Further, the central axis of the electromagnet and the junction of movable rod are additionally provided with a compressed spring, electricity
When magnet powers off, by compressed spring movable rod is resetted.
Further, the motor is arranged on a mounting board by connecting plate for electric motor, and the motor shaft of the motor is worn
It crosses mounting plate and extends to bottom plate direction, the motor gear is mounted on motor shaft and connect with electric machine shaft driving, described
The gear wheel of motor gear and duplicate gear a is ratcheting, and the pinion gear of the duplicate gear a and the gear wheel of duplicate gear b are ratcheting,
The pinion gear of the duplicate gear b and the gear wheel of duplicate gear c are ratcheting, the pinion gear and the double wedge gear teeth of the duplicate gear c
It closes.
Further, the switch head for matching with the second microswitch is additionally provided on the gear shaft c, it is described
The setting of the second microswitch on a mounting board, when motor duplicate gear c rotation movement angle, when on switch head parallel surface with
When second microswitch contacts, motor stalls.
Further, heat detector is additionally provided on the mounting plate, one end of the heat detector sequentially passes through installation
Plate and bottom plate simultaneously extend outwardly.
Further, multiple pillars are additionally provided between the bottom plate and mounting plate.
Further, the bottom plate upper end is also covered with a shell.
The utility model has the following beneficial effects: structure is simple, practical, by heat detector real-time detection temperature, work as row
When smoke temperature degree is up to or over 280 DEG C, heat detector movement, electromagnet is powered, and the lower end of movable rod is adsorbed by electromagnet,
So that movable rod rotates clockwise certain angle around pitman shaft, so that the upper end of movable rod and secondary action positioning seat are de-
From secondary action positioning seat rotates counterclockwise certain angle under the action of positioning torsional spring, so that secondary action positions
Switch plectrum and the first microswitch on seat are detached from, and are alarmed accordingly, after fire releases, pass through transmission mechanism control
Main shaft resets, and movable rod in addition can also be controlled by push rod and realizes that switch plectrum and the first microswitch are detached from, realizes fire prevention
The alarm of valve, and the reset of main shaft can be realized by handle, and the executing agency uses upper and lower torsion spring form, inverse time stylus printer
When valve opening door, lower torsional spring effect, then the effect of valve reset Shi , Shang torsional spring is closed clockwise.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the utility model；
Fig. 2 is the structural schematic diagram two of the utility model；
Fig. 3 is the structural schematic diagram three of the utility model；
Fig. 4 is the structural schematic diagram of the utility model transmission mechanism；
Fig. 5 is the structural schematic diagram of the utility model spindle chuck component；
In figure, 1- bottom plate, 2- mounting plate, 3- main shaft, 4- handle, the upper torsional spring of 5-, torsional spring under 6-, 7- spindle chuck component,
8- secondary action positioning seat, 9- switch plectrum, the first microswitch of 10-, 11- movable rod, 12- electromagnet, 13- push handle, 14-
Motor, 15- motor gear, 16- duplicate gear a, 17- duplicate gear b, 18- duplicate gear c, 19- convex gear, 20- switch head,
The second microswitch of 21-, 22- heat detector, 23- pitman shaft, 24- position torsional spring, 25- compressed spring, 26- pillar, the card of 27- first
Disk, the second chuck of 28-, 29- limiting slot, 30- limited post, the clamping portion 31-.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
As shown in Figure 1-3, a kind of automatic executing agency for smoke exhaust fire damper, including bottom plate 1, mounting plate 2, main shaft 3,
The mounting plate 2 is arranged on bottom plate 1, and multiple pillars 26, the bottom are additionally provided between the bottom plate 1 and mounting plate 2
1 upper end of plate is also covered with a shell, one end of the main shaft 3 across mounting plate 2 and with positioned at mounting plate 2 and bottom plate 1
Transmission mechanism connects, and is provided with handle 4 on the other end of the main shaft 3, is also arranged with collar bush on part main shaft 3, close to hand
It is arranged with torsional spring 5 on the main shaft 3 of 4 one end of handle, lower torsional spring 6, the upper torsional spring 5 and lower torsion are arranged on the collar bush
The direction of rotation of spring 6 is on the contrary, be also arranged with spindle chuck component 7 on main shaft 3 between the upper torsional spring 5 and lower torsional spring 6, such as
Shown in Fig. 5, the spindle chuck component 7 includes the first chuck 27 and the second chuck 28, and first chuck 27 is set in
On main shaft 3, second chuck 28 is set on collar bush, and the limit of an arc is offered on first chuck 27
Position slot 29 is provided with a limited post 30 for matching with the limiting slot 29 of arc on second chuck 28, described
A clamping portion 31 is additionally provided on second chuck 28, one end of the upper torsional spring 5 is connect with main shaft 3, the other end and the second card
The clamping portion 31 of disk 28 connects, and one end of the lower torsional spring 6 is connect with the second chuck 28, and the other end is connect with mounting plate 2.
The upper end of the spindle chuck component 7 is additionally provided with secondary action positioning seat 8, the secondary action positioning seat
8 are arranged on mounting plate 2 by positioning seat axis, are also arranged on the positioning seat axis for driving secondary action positioning seat 8
One end of the positioning torsional spring 24 of movement, the positioning torsional spring 24 is connect with the second chuck 28, and the other end is connect with mounting plate 2；
It is additionally provided with the switch plectrum 9 for matching with the first microswitch 10 on the secondary action positioning seat 8, fire does not occur
When calamity, switch plectrum 9 is contacted with the first microswitch 10, when fire occurs, switchs plectrum 9 and the first microswitch 10 disconnects,
First microswitch 10 is mounted on mounting plate 2, and a positioning is additionally provided on the secondary action positioning seat 8 and is turned
Son, the positioning rotor are contacted with the curved opening being provided on the first chuck 27 and the second chuck 28.
One end of the secondary action positioning seat 8 is additionally provided with a movable rod 11, and the movable rod 11 passes through company
Bar axis 23 is spindle rotationally arranged on mounting plate 2, and the upper end of the movable rod 11 engages with secondary action positioning seat 8, institute
The lower end for the movable rod 11 stated and the center axis connection of electromagnet 12, the electromagnet 12 is arranged on mounting plate 2, described
The lower end of movable rod 11 is additionally provided with a push handle 13, controls movable rod 11 by push handle 13 and secondary action positioning seat 8 blocks
It closes or is detached from, the central axis of the electromagnet 12 and the junction of movable rod 11 are additionally provided with a compressed spring 25, electromagnetism
When iron 12 powers off, by compressed spring 25 movable rod 11 is resetted.When a fire, electromagnet 12 is powered, and passes through electricity
Magnet 12 adsorbs the lower end of movable rod 11, so that movable rod 11 rotates clockwise certain angle around pitman shaft 23, so that living
The upper end of dynamic connecting rod 11 and secondary action positioning seat 8 are detached from, and secondary action positioning seat 8 is counterclockwise under the action of positioning torsional spring 24
Certain angle is rotated, so that the switch plectrum 9 and the first microswitch 10 on secondary action positioning seat 8 are detached from, is gone forward side by side
The corresponding alarm of row.
As shown in figure 4, the transmission mechanism includes motor 14 and successively ratcheting motor gear 15, duplicate gear
A16, duplicate gear b17, duplicate gear c18, convex gear 19, the motor gear 15 and motor 14 are sequentially connected, described
Duplicate gear a16, duplicate gear b17, duplicate gear c18 pass through respectively gear shaft a, gear shaft b, gear shaft c setting installing
On plate 2, the convex gear 19 is arranged on main shaft 3.
The motor 14 is arranged on mounting plate 2 by connecting plate for electric motor, and the motor shaft of the motor 14 passes through peace
Loading board 2 simultaneously extends to 1 direction of bottom plate, and the motor gear 15 is mounted on motor shaft to be connect with electric machine shaft driving, described
Motor gear 15 and the gear wheel of duplicate gear a16 are ratcheting, and the pinion gear of the duplicate gear a16 is big with duplicate gear b17's
Gear mesh, the pinion gear of the duplicate gear b17 and the gear wheel of duplicate gear c18 are ratcheting, and the duplicate gear c18's is small
Gear is ratcheting with convex gear.
As shown in figure 3, being additionally provided with the switch head for matching with the second microswitch 21 on the gear shaft c
20, second microswitch 21 is arranged on mounting plate 2, when motor 14 drives duplicate gear c18 rotation movement angle, when
When parallel surface and the second microswitch 21 on switch head 20 contact, motor 14 stops operating.
Heat detector 22 is additionally provided on the mounting plate 2, one end of the heat detector 22 sequentially passes through 2 He of mounting plate
Bottom plate 1 simultaneously extends outwardly, and the temperature detector 22 includes locating rod, inner prop, column jacket, fuse sheet, and the locating rod passes through one
Connector is mounted on mounting plate 2, and the inner prop is arranged on the securing lever, and is also set up between the locating rod and inner prop
There is inner prop spring, the inner prop outer sheath is equipped with column jacket, and the end of the inner prop is additionally provided with fuse sheet.
The description of the embodiments and the specification only illustrate the principle of the present utility model and most preferred embodiment, is not taking off
Under the premise of from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes and improvements
It falls within the scope of the claimed invention.
Claims (10)
1. a kind of automatic executing agency for smoke exhaust fire damper, it is characterised in that: described including bottom plate, mounting plate, main shaft
Mounting plate is arranged on bottom plate, one end of the main shaft across mounting plate and with the transmission mechanism positioned at mounting plate and bottom plate
It connects, is provided with handle on the other end of the main shaft, is also arranged with collar bush on the main shaft of part, the main shaft close to handle one end
On be arranged with torsional spring, be arranged with lower torsional spring on the collar bush, the direction of rotation of the upper torsional spring and lower torsional spring on the contrary,
Also be arranged with spindle chuck component on main shaft between the upper torsional spring and lower torsional spring, the upper torsional spring and lower torsional spring with
The connection of spindle chuck component；
The upper end of the spindle chuck component is additionally provided with secondary action positioning seat, and it is fixed that the secondary action positioning seat passes through
Position seat axis is spindle rotationally arranged on mounting plate, is arranged on the positioning seat axis for driving secondary action positioning seat to act
Positioning torsional spring, the switch plectrum for matching with the first microswitch is additionally provided on the secondary action positioning seat,
When fire not occurring, switch plectrum is contacted with the first microswitch, and the first microswitch installation is on a mounting board；
One end of the secondary action positioning seat is additionally provided with a movable rod, and the movable rod can be rotated by pitman shaft
Setting on a mounting board, the upper end of the movable rod engages with secondary action positioning seat, under the movable rod
The center axis connection at end and electromagnet, the electromagnet setting is on a mounting board.
2. a kind of automatic executing agency for smoke exhaust fire damper according to claim 1, it is characterised in that: the biography
Motivation structure includes motor and successively ratcheting motor gear, duplicate gear a, duplicate gear b, duplicate gear c, convex gear, institute
The motor gear stated is connect with motor drive, and the duplicate gear a, duplicate gear b, duplicate gear c pass through gear shaft respectively
A, on a mounting board, the convex gear is arranged on main shaft for gear shaft b, gear shaft c setting.
3. a kind of automatic executing agency for smoke exhaust fire damper according to claim 1, it is characterised in that: the master
Axis chuck assembly includes the first chuck and the second chuck, and first chuck is set on main shaft, the second chuck set
It is located on collar bush, and offers the limiting slot of an arc on first chuck, be provided on second chuck
One for the limited post that matches with the limiting slot of arc, is additionally provided with a clamping portion on second chuck.
4. a kind of automatic executing agency for smoke exhaust fire damper according to claim 1, it is characterised in that: described is upper
One end of torsional spring is connect with main shaft, and the other end is connect with the clamping portion of the second chuck, one end of the lower torsional spring and the second card
Disk connection, the other end are connect with mounting plate.
5. a kind of automatic executing agency for smoke exhaust fire damper according to claim 1, it is characterised in that: described determines
One end of position torsional spring is connect with the second chuck, and the other end is connect with mounting plate.
6. a kind of automatic executing agency for smoke exhaust fire damper according to claim 1, it is characterised in that: the activity
The lower end of connecting rod is additionally provided with a push handle, controls movable rod by push handle and engages or be detached from secondary action positioning seat.
7. a kind of automatic executing agency for smoke exhaust fire damper according to claim 1, it is characterised in that: the electricity
The central axis of magnet and the junction of movable rod are additionally provided with a compressed spring.
8. a kind of automatic executing agency for smoke exhaust fire damper according to claim 2, it is characterised in that: the electricity
Machine is arranged on a mounting board by connecting plate for electric motor, and the motor shaft of the motor passes through mounting plate and extends to bottom plate direction,
The motor gear is mounted on motor shaft and connect with electric machine shaft driving, the canine tooth of the motor gear and duplicate gear a
Take turns ratcheting, the pinion gear of the duplicate gear a and the gear wheel of duplicate gear b are ratcheting, the pinion gear of the duplicate gear b and double
The gear wheel for joining gear c is ratcheting, and the pinion gear and convex gear of the duplicate gear c is ratcheting.
9. a kind of automatic executing agency for smoke exhaust fire damper according to claim 2, it is characterised in that: the tooth
The switch head for matching with the second microswitch is additionally provided on wheel shaft c, the second microswitch setting is being installed
On plate, when motor duplicate gear c rotation movement angle, when on switch head parallel surface and the second microswitch contact when, motor
It stops operating.
10. a kind of according to claim 1, automatic executing agency for smoke exhaust fire damper described in any one of 2,4,5,8,9,
It is characterized by: being additionally provided with heat detector on the mounting plate, one end of the heat detector sequentially passes through mounting plate and bottom
Plate simultaneously extends outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845206.4U CN209100757U (en) | 2018-11-09 | 2018-11-09 | A kind of automatic executing agency for smoke exhaust fire damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845206.4U CN209100757U (en) | 2018-11-09 | 2018-11-09 | A kind of automatic executing agency for smoke exhaust fire damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100757U true CN209100757U (en) | 2019-07-12 |
Family
ID=67158910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821845206.4U Active CN209100757U (en) | 2018-11-09 | 2018-11-09 | A kind of automatic executing agency for smoke exhaust fire damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939495A (en) * | 2020-08-19 | 2020-11-17 | 殷信扬 | Rotary disc safety self-locking equipment of deep well rescue device |
-
2018
- 2018-11-09 CN CN201821845206.4U patent/CN209100757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939495A (en) * | 2020-08-19 | 2020-11-17 | 殷信扬 | Rotary disc safety self-locking equipment of deep well rescue device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201281161Y (en) | Electric actuating unit for rotary motion valve | |
| CN209100757U (en) | A kind of automatic executing agency for smoke exhaust fire damper | |
| CN215257898U (en) | Valve optional position locking device | |
| CN216479144U (en) | Fireproof check valve with internal and external double fireproof functions | |
| CN107386861A (en) | A kind of inner swing door drive device | |
| CN102364184B (en) | Full-automatic secondary action executing mechanism of smoke-exhausting fire-proof valve | |
| CN211851520U (en) | Single-opening fireproof door with ventilation function | |
| CN219262109U (en) | Automatically controlled ware of windowing that can automatic separation and reunion | |
| CN210860020U (en) | Handle device of smoke exhaust valve actuating mechanism | |
| CN210859996U (en) | Manual and electric fire-fighting smoke-discharging fire-proof valve actuating mechanism and valve thereof | |
| CN205578848U (en) | Actuating mechanism of semi -automatic fire prevention valve and smoke protection valve | |
| CN211548427U (en) | Skylight structure convenient to install for cold channel | |
| CN210089082U (en) | Connecting rod and contain blast gate mechanism, fresh air ventilator of this connecting rod | |
| CN210598602U (en) | Electric and transmission mechanism of air inlet closing device | |
| CN219510254U (en) | Sheet type fireproof valve | |
| CN210396549U (en) | Push type heat-insulation sound-insulation aluminum alloy window | |
| CN206754550U (en) | A kind of exhaust smoke valve steel cable Yuan Kong executing agencies | |
| CN207583947U (en) | A kind of manual and electric double-purpose transmission mechanism | |
| CN207599112U (en) | A kind of electronic remote control fireproof wind valve of luck peculiar to vessel | |
| CN202266724U (en) | Full-automatic secondary actuating mechanism for smoke exhaust fire damper | |
| CN2444625Y (en) | Operation mechanism for automatic smoke discharging fire-proof valve | |
| CN211976020U (en) | Manual control mechanism of valve | |
| CN219300019U (en) | Air duct valve with fireproof function | |
| CN110617359B (en) | Manual and electric fire-fighting smoke-discharging fire-proof valve actuating mechanism and valve thereof | |
| CN212442578U (en) | Rolling mill oil smoke collecting system and firebreak device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 231, Changxing Street, Changyaoling Village, Zhongluotan Town, Baiyun District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangdong Kangmeifeng CNC Equipment Co.,Ltd. Address before: No. 231, Changxing Street, Changyaoling Village, Zhongluotan Town, Baiyun District, Guangzhou City, Guangdong Province, 510550 Patentee before: Guangzhou Kangmeifeng CNC Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220909 Address after: 511500 No. 2, Zhihui Road, Guangzhou (Qingyuan) industrial transfer industrial park, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong Province Patentee after: GUANGDONG KANGMEIFENG VENTILATION EQUIPMENT Co.,Ltd. Address before: No. 231, Changxing Street, Changyaoling Village, Zhongluotan Town, Baiyun District, Guangzhou City, Guangdong Province, 510000 Patentee before: Guangdong Kangmeifeng CNC Equipment Co.,Ltd. |