CN108821072A - The bottom support frame of lift car - Google Patents
The bottom support frame of lift car Download PDFInfo
- Publication number
- CN108821072A CN108821072A CN201810947091.8A CN201810947091A CN108821072A CN 108821072 A CN108821072 A CN 108821072A CN 201810947091 A CN201810947091 A CN 201810947091A CN 108821072 A CN108821072 A CN 108821072A
- Authority
- CN
- China
- Prior art keywords
- support frame
- lift car
- frame
- component
- pair
- 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
Links
- 238000005452 bending Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0206—Car frames
Abstract
The present invention discloses a kind of bottom support frame of lift car, including the first support component, the second support component and third support component.First support component is connected to the side in the longitudinal direction of the third support component, and second support component is connected to the other side in the longitudinal direction of the third support component.The third support component includes：Cross-brace frame, extends in left-right direction；With a pair of end portions support frame, it is connected respectively on the both ends of the cross-brace frame.First support component is connected on the side in the front side or rear side of the pair of end support frame, and second support component is connected on the other side in the front side or rear side of the pair of end support frame.The end support frame is the single component that can not be split.In the present invention, the quantity for reducing third support component, reduces the manufacturing cost of lift car, and improves the installation effectiveness of lift car.
Description
Technical field
The present invention relates to a kind of bottom support frames of lift car.
Background technique
In the prior art, the bottom support frame of lift car generally includes front side frame component, rear frame component
And the central frame component between front side frame component and rear frame component.Central frame component generally comprises one
The end frame component of the cross-brace frame that left and right extends and the every end for being mounted on cross-brace frame.In the prior art, end
Frame assembly includes front side connecting bracket, rear side connecting bracket, safety tongs connecting bracket, piston shoes connecting bracket and support baseboard.
Front side connecting bracket is connected between front side frame component and cross-brace frame, and rear side connecting bracket is connected to rear frame component
Between cross-brace frame, safety tongs connecting bracket is connected on the safety tongs for reducing lift car sliding speed, piston shoes
Connecting bracket is connected to the piston shoes for guiding lift car to slide along sliding rail, and support baseboard is suitable for being supported on lift car
On buffer.
Conventionally, as each end frame component of central frame component includes five different components, and
And the structure of each component is more complicated, therefore, increases the manufacturing cost of lift car.Moreover, in installation lift car
When, it needs to weld together five different components, it is very time-consuming and laborious, and also welding quality is difficult to ensure, influences elevator
Safety in utilization.
Summary of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
According to an aspect of the present invention, a kind of bottom support frame of lift car is provided, has left and right directions with before
Rear direction, the bottom support frame of the lift car include the first support component, the second support component and third support component.
First support component is connected to the side on the front-rear direction of the third support component, the second support group
Part is connected to the other side on the front-rear direction of the third support component.The third support component includes：Laterally
Support frame extends along the left and right directions；With a pair of end portions support frame, it is connected respectively on the both ends of the cross-brace frame.
First support component is connected on the side in the front side or rear side of the pair of end support frame, the second support group
Part is connected on the other side in the front side or rear side of the pair of end support frame.The end support frame can not be split
Single component.
The embodiment of an exemplary according to the present invention, the end support frame be the single cast member that can not be split or
Single moulded parts.
The embodiment of another exemplary according to the present invention, the end support frame are the single machinings that can not be split
Part.
The embodiment of another exemplary according to the present invention is formed with a groove, institute on the end support frame
The end for stating cross-brace frame is suitable for being inserted into the groove.
The embodiment of another exemplary according to the present invention is divided on the two sides of the bottom of the groove of the end support frame
It is not formed with an interpolation slit；It is respectively formed with the folding edge of outward bending degree in the two sides of the cross-brace frame, it is described curved
Flanges are suitable for being plugged in the interpolation slit.
The embodiment of another exemplary according to the present invention, the end of the cross-brace frame are suitable for being connected through a screw thread
Part is connected on the end support frame.
The embodiment of another exemplary according to the present invention, the pair of end support frame are identical.
The embodiment of another exemplary according to the present invention, first support component and second support component are complete
It is exactly the same.
The embodiment of another exemplary according to the present invention, first support component include：First horizontal support, edge
The left and right directions extends；It with a pair of of first longitudinal direction bracket, is connected respectively on the both ends of first horizontal support, and along institute
State front-rear direction extension.
The embodiment of another exemplary according to the present invention, the pair of first longitudinal direction bracket are connected respectively to described one
To on the side in the front side or rear side of end support frame.
The embodiment of another exemplary according to the present invention, second support component include：Second horizontal support, edge
The left and right directions extends；It with a pair of of second longitudinal direction bracket, is connected respectively on the both ends of second horizontal support, and along institute
State front-rear direction extension.
The embodiment of another exemplary according to the present invention, the pair of second longitudinal direction bracket are connected respectively to described one
To on the other side in the front side or rear side of end support frame.
The embodiment of another exemplary according to the present invention, the end support frame are further adapted for being connected to for reducing electricity
On the safety tongs of terraced carriage sliding speed.
The embodiment of another exemplary according to the present invention, the end support frame are further adapted for being connected to for guiding electricity
Terraced carriage is along the piston shoes that sliding rail slides.
The embodiment of another exemplary according to the present invention, the end support frame, which has, to be suitable for being supported on lift car
Flat bottom on buffer.
Third support in the embodiment of aforementioned each exemplary of the invention, in the bottom support frame of lift car
Component (intermediate supports component) is only including cross-brace frame and a pair of end portions branch being connected respectively on the both ends of cross-brace frame
Support.It therefore reduces the quantity of intermediate supports component, reduces the manufacturing cost of lift car, and improve elevator car
The installation effectiveness in compartment.
By the description made for the present invention of below with reference to attached drawing, other objects and advantages of the present invention will be aobvious and easy
See, and can help that complete understanding of the invention will be obtained.
Detailed description of the invention
Fig. 1 shows that the decomposition of the bottom support frame of the lift car of the embodiment of an exemplary according to the present invention is shown
It is intended to；
Fig. 2 shows the decomposition diagram of the third support component of the bottom support frame of lift car shown in FIG. 1；
Fig. 3 shows the assembling schematic diagram of the third support component of the bottom support frame of lift car shown in Fig. 2.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
In addition, in the following detailed description, to elaborate many concrete details to provide to present disclosure convenient for explaining
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments without these specific details can also be with
It is carried out.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
General technical design according to the present invention, provides a kind of bottom support frame of lift car, has left and right
Direction and front-rear direction, the bottom support frame of the lift car include the first support component, the second support component and third
Support component.First support component is connected to the side on the front-rear direction of the third support component, described
Second support component is connected to the other side on the front-rear direction of the third support component.The third support component
Including：Cross-brace frame extends along the left and right directions；With a pair of end portions support frame, it is connected respectively to the cross-brace frame
Both ends on.First support component is connected on the side in the front side or rear side of the pair of end support frame, described
Second support component is connected on the other side in the front side or rear side of the pair of end support frame.The end support frame is
The single component that can not be split.
Fig. 1 shows that the decomposition of the bottom support frame of the lift car of the embodiment of an exemplary according to the present invention is shown
It is intended to.
As shown in Figure 1, in the illustrated embodiment, the bottom support frame of the lift car has left and right directions X with before
Rear direction Y.The bottom support frame of lift car mainly includes the first support component 100, the second support component 200 and third branch
Support component 300.First support component 100 is connected to the side on front-rear direction Y of third support component 300, the second support
Component 200 is connected to the other side on front-rear direction Y of third support component 300.
Fig. 2 shows the decomposition diagram of the third support component 300 of the bottom support frame of lift car shown in FIG. 1；
Fig. 3 shows the assembling schematic diagram of the third support component 300 of the bottom support frame of lift car shown in Fig. 2.
As shown in Figure 1-3, in the illustrated embodiment, third support component 300 includes：Cross-brace frame 310 and a pair
End support frame 320.X extends cross-brace frame 310 in left-right direction.A pair of end portions support frame 320 is connected respectively to lateral branch
On the both ends of support 310.
As shown in Figure 1-3, in the illustrated embodiment, the first support component 100 is connected to a pair of end portions support frame 320
On side in front side or rear side.Second support component 200 is connected to another in the front side or rear side of a pair of end portions support frame 320
On side.
As shown in Figure 1-3, in the illustrated embodiment, end support frame 320 is the single component that can not be split.For example,
End support frame 320 can be the single cast member cast out, the single machine of the single moulded parts or machining that are molded into
Workpiece.
As shown in Figure 1-3, in the illustrated embodiment, a groove 320a is formed on end support frame 320, laterally
The end of support frame 310 is suitable for being inserted into groove 320a.
As shown in Figure 1-3, in the illustrated embodiment, dividing on the two sides of the bottom of the groove 320a of end support frame 320
It is not formed with an interpolation slit 320b；90 degree of outward bending of folding edge is respectively formed in the two sides of cross-brace frame 310
310b, folding edge 310b are suitable for being plugged in interpolation slit 320b.
As shown in Figure 1-3, in the illustrated embodiment, the end of cross-brace frame 310 is suitable for being connected through a screw thread part quilt
It is connected on end support frame 320.
As shown in Figure 1-3, in the illustrated embodiment, a pair of end portions support frame 320 is identical.In this way, convenient for batch
Production and conducive to reducing cost.
As shown in Figure 1-3, in the illustrated embodiment, the first support component 100 and the complete phase of the second support component 200
Together.In this way, convenient for batch production and conducive to reducing cost.
As shown in Figure 1-3, in the illustrated embodiment, the first support component 100 includes：First horizontal support 110 and one
To first longitudinal direction bracket 120.X extends first horizontal support 110 in left-right direction.A pair of of first longitudinal direction bracket 120 is separately connected
Y extends onto the both ends of the first horizontal support 110, and along the longitudinal direction.
As shown in Figure 1-3, in the illustrated embodiment, a pair of of first longitudinal direction bracket 120 is connected respectively to a pair of end portions branch
On side in the front side or rear side of support 320.
As shown in Figure 1-3, in the illustrated embodiment, the second support component 100 includes：Second horizontal support 210 and one
To second longitudinal direction bracket 220.X extends second horizontal support 210 in left-right direction.A pair of of second longitudinal direction bracket 220 is separately connected
Y extends onto the both ends of the second horizontal support 210, and along the longitudinal direction.
As shown in Figure 1-3, in the illustrated embodiment, a pair of of second longitudinal direction bracket 220 is connected respectively to a pair of end portions branch
On the other side in the front side or rear side of support 320.
As shown in Figure 1-3, in the illustrated embodiment, end support frame 320 is further adapted for being connected to for reducing elevator car
On the safety tongs of compartment sliding speed.
As shown in Figure 1-3, in the illustrated embodiment, end support frame 320 is further adapted for being connected to for guiding elevator car
Compartment is along the piston shoes that sliding rail slides.
As shown in Figure 1-3, in the illustrated embodiment, end support frame 320, which has, is suitable for being supported on lift car buffering
Flat bottom on device.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this field
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of structure described in various embodiments
It can be freely combined in the case where prominent.
Although in conjunction with attached drawing, the present invention is described, and embodiment disclosed in attached drawing is intended to preferred to the present invention
Embodiment illustrates, and should not be understood as to a kind of limitation of the invention.
Although some embodiments of this present general inventive concept have been shown and have illustrated, those of ordinary skill in the art will be managed
Solution can make a change these embodiments in the case where the principle and spirit without departing substantially from this present general inventive concept, of the invention
Range is limited with claim and their equivalent.
It should be noted that word " comprising " is not excluded for other element or steps, word "a" or "an" is not excluded for multiple.Separately
Outside, the range that any element label of claim should not be construed as limiting the invention.
Claims (15)
1. a kind of bottom support frame of lift car has left and right directions (X) and front-rear direction (Y), the lift car
Bottom support frame includes the first support component (100), the second support component (200) and third support component (300), and described the
One support component (100) is connected to the side on the front-rear direction (Y) of the third support component (300), and described
Two support components (200) are connected to the other side on the front-rear direction (Y) of the third support component (300),
It is characterized in that,
The third support component (300) includes：
Cross-brace frame (310) extends along the left and right directions (X)；With
A pair of end portions support frame (320) is connected respectively on the both ends of the cross-brace frame (310),
First support component (100) is connected on the side in the front side or rear side of the pair of end support frame (320),
Second support component (200) is connected on the other side in the front side or rear side of the pair of end support frame (320),
The end support frame (320) is the single component that can not be split.
2. the bottom support frame of lift car according to claim 1, it is characterised in that：The end support frame
It (320) is the single cast member or single moulded parts that can not be split.
3. the bottom support frame of lift car according to claim 1, it is characterised in that：The end support frame
It (320) is the single machined piece that can not be split.
4. the bottom support frame of lift car according to claim 1, it is characterised in that：
A groove (320a) is formed on the end support frame (320), the end of the cross-brace frame (310) is suitable for
It is inserted into the groove (320a).
5. the bottom support frame of lift car according to claim 4, it is characterised in that：
An interpolation slit (320b) is respectively formed on the two sides of the bottom of the groove (320a) of the end support frame (320)；
It is respectively formed with 90 degree of outward bending of folding edge (310b) in the two sides of the cross-brace frame (310), it is described curved
Flanges (310b) are suitable for being plugged in the interpolation slit (320b).
6. the bottom support frame of lift car according to claim 4, it is characterised in that：
The end of the cross-brace frame (310), which is suitable for being connected through a screw thread part, to be connected on the end support frame (320).
7. the bottom support frame of lift car according to claim 1, it is characterised in that：The pair of end support frame
(320) identical.
8. the bottom support frame of lift car according to claim 1, it is characterised in that：First support component
(100) identical with the second support component (200).
9. the bottom support frame of lift car according to claim 1, which is characterized in that first support component
(100) include：
First horizontal support (110) extends along the left and right directions (X)；With
A pair of of first longitudinal direction bracket (120) is connected respectively on the both ends of first horizontal support (110), and before described
Rear direction (Y) extends.
10. the bottom support frame of lift car according to claim 9, it is characterised in that：
The pair of first longitudinal direction bracket (120) is connected respectively in the front side or rear side of the pair of end support frame (320)
Side on.
11. the bottom support frame of lift car according to claim 9, which is characterized in that second support component
(100) include：
Second horizontal support (210) extends along the left and right directions (X)；With
A pair of of second longitudinal direction bracket (220) is connected respectively on the both ends of second horizontal support (210), and before described
Rear direction (Y) extends.
12. the bottom support frame of lift car according to claim 11, it is characterised in that：
The pair of second longitudinal direction bracket (220) is connected respectively in the front side or rear side of the pair of end support frame (320)
The other side on.
13. the bottom support frame of lift car according to claim 1, it is characterised in that：
The end support frame (320) is further adapted for being connected on the safety tongs for reducing lift car sliding speed.
14. the bottom support frame of lift car according to claim 1, it is characterised in that：
The end support frame (320) is further adapted for being connected to the piston shoes for guiding lift car to slide along sliding rail.
15. the bottom support frame of lift car according to claim 1, it is characterised in that：
The end support frame (320) has the flat bottom for being suitable for being supported on lift car buffer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947091.8A CN108821072B (en) | 2018-08-20 | 2018-08-20 | Bottom support frame for elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947091.8A CN108821072B (en) | 2018-08-20 | 2018-08-20 | Bottom support frame for elevator car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108821072A true CN108821072A (en) | 2018-11-16 |
| CN108821072B CN108821072B (en) | 2023-12-26 |
Family
ID=64150400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810947091.8A Active CN108821072B (en) | 2018-08-20 | 2018-08-20 | Bottom support frame for elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108821072B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020436A (en) * | 2019-12-19 | 2020-04-17 | 苏州泰恒机电部件有限公司 | Support strip and hot-dip galvanizing production process for processing same |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US584591A (en) * | 1897-06-15 | Wrench | ||
| US3745859A (en) * | 1971-09-16 | 1973-07-17 | J Evans | Ratchet-type speed wrench |
| US4779707A (en) * | 1986-07-29 | 1988-10-25 | Montgomery Elevator Company | Modular elevator cab construction |
| JPH01156292A (en) * | 1987-12-15 | 1989-06-19 | Hitachi Ltd | Floor for elevator cage |
| FR2647097A1 (en) * | 1989-05-17 | 1990-11-23 | Otis Elevator Co | Support chassis for a lift cabin |
| JPH0543173A (en) * | 1991-08-07 | 1993-02-23 | Mitsubishi Electric Corp | Floor structure for elevator cage |
| US5307713A (en) * | 1992-12-18 | 1994-05-03 | White Kenneth L | Self-aligning wrench |
| CN1198398A (en) * | 1997-03-29 | 1998-11-11 | Lg产电株式会社 | Elevator with cover hood |
| US6186033B1 (en) * | 1999-04-30 | 2001-02-13 | Daniel A. Faro, Sr. | Multi-positional turning tool |
| JP2001213580A (en) * | 1999-12-21 | 2001-08-07 | Otis Elevator Co | Acceleration moderating system, elevator system and elevator cage floor system |
| US20030164072A1 (en) * | 2002-03-04 | 2003-09-04 | Chorng-Jiang Lin | Wrench locking and positioning device |
| US20040261586A1 (en) * | 2003-06-25 | 2004-12-30 | Terence Chen | Multi-joint wrench |
| CN203079454U (en) * | 2013-02-22 | 2013-07-24 | 曼隆电梯有限公司 | Elevator cabin bottom maintenance device |
| CN105143084A (en) * | 2013-04-26 | 2015-12-09 | 三菱电机株式会社 | Elevator car |
| CN207158570U (en) * | 2017-09-15 | 2018-03-30 | 重庆迈高电梯有限公司 | Integral elevator bottom |
| CN208732399U (en) * | 2018-08-20 | 2019-04-12 | 迅达（中国）电梯有限公司 | The bottom support frame of lift car |
-
2018
- 2018-08-20 CN CN201810947091.8A patent/CN108821072B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US584591A (en) * | 1897-06-15 | Wrench | ||
| US3745859A (en) * | 1971-09-16 | 1973-07-17 | J Evans | Ratchet-type speed wrench |
| US4779707A (en) * | 1986-07-29 | 1988-10-25 | Montgomery Elevator Company | Modular elevator cab construction |
| JPH01156292A (en) * | 1987-12-15 | 1989-06-19 | Hitachi Ltd | Floor for elevator cage |
| FR2647097A1 (en) * | 1989-05-17 | 1990-11-23 | Otis Elevator Co | Support chassis for a lift cabin |
| JPH0543173A (en) * | 1991-08-07 | 1993-02-23 | Mitsubishi Electric Corp | Floor structure for elevator cage |
| US5307713A (en) * | 1992-12-18 | 1994-05-03 | White Kenneth L | Self-aligning wrench |
| CN1198398A (en) * | 1997-03-29 | 1998-11-11 | Lg产电株式会社 | Elevator with cover hood |
| US6186033B1 (en) * | 1999-04-30 | 2001-02-13 | Daniel A. Faro, Sr. | Multi-positional turning tool |
| JP2001213580A (en) * | 1999-12-21 | 2001-08-07 | Otis Elevator Co | Acceleration moderating system, elevator system and elevator cage floor system |
| US20030164072A1 (en) * | 2002-03-04 | 2003-09-04 | Chorng-Jiang Lin | Wrench locking and positioning device |
| US20040261586A1 (en) * | 2003-06-25 | 2004-12-30 | Terence Chen | Multi-joint wrench |
| CN203079454U (en) * | 2013-02-22 | 2013-07-24 | 曼隆电梯有限公司 | Elevator cabin bottom maintenance device |
| CN105143084A (en) * | 2013-04-26 | 2015-12-09 | 三菱电机株式会社 | Elevator car |
| CN207158570U (en) * | 2017-09-15 | 2018-03-30 | 重庆迈高电梯有限公司 | Integral elevator bottom |
| CN208732399U (en) * | 2018-08-20 | 2019-04-12 | 迅达（中国）电梯有限公司 | The bottom support frame of lift car |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020436A (en) * | 2019-12-19 | 2020-04-17 | 苏州泰恒机电部件有限公司 | Support strip and hot-dip galvanizing production process for processing same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108821072B (en) | 2023-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102355981B (en) | Horizontal machine tool | |
| CN108821072A (en) | The bottom support frame of lift car | |
| CN208732399U (en) | The bottom support frame of lift car | |
| CN101837493B (en) | On-line frame assembly structure of large-conicity linear cutting machine | |
| CN204229843U (en) | A kind of high precision plane positioning system | |
| CN105345346A (en) | Leaf spring suspension installing tool | |
| CN210024280U (en) | Vehicle body centering device and vehicle body production line | |
| CN206982172U (en) | A kind of machine tooling stroke processing unit (plant) | |
| CN211277153U (en) | Automatic change welding assembly | |
| CN104875078A (en) | Crossbeam-fixed type high-precision numerical control gantry machining center | |
| CN108115452A (en) | A kind of rigid and the good overhead viaduct type gantry processor bed of stability | |
| CN205131381U (en) | Commodity circulation car sub vehicle puts up assembly | |
| CN103978689A (en) | Three-dimensional printer frame | |
| CN203832293U (en) | Electric seat lifting mechanism | |
| CN208391480U (en) | A kind of dynamic beam column of integral type | |
| CN208221376U (en) | One kind can turn mould group | |
| CN205706601U (en) | A kind of windshield wiper mechanism and automobile | |
| CN206952476U (en) | The easy electric cabinet skeleton automatic assembling fixture of one kind operation | |
| CN214641315U (en) | Multifunctional axle housing welding tool | |
| CN205631062U (en) | Five bridge -type stonecutter crossbeam structures | |
| CN204870957U (en) | Articulated formula stabilizer mechanism | |
| CN210618172U (en) | Improved tooling vehicle | |
| CN207629899U (en) | The general loose tool of polytypic arrangements for automotive doors | |
| CN203700750U (en) | Improved embroidery frame structure of computerized embroidery machine | |
| CN207903852U (en) | A kind of lift structure of no stuck phenomenon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |