CN216588148U - Central control bolt - Google Patents
Central control bolt Download PDFInfo
- Publication number
- CN216588148U CN216588148U CN202122267700.5U CN202122267700U CN216588148U CN 216588148 U CN216588148 U CN 216588148U CN 202122267700 U CN202122267700 U CN 202122267700U CN 216588148 U CN216588148 U CN 216588148U
- Authority
- CN
- China
- Prior art keywords
- central control
- pull rod
- cover plate
- lower cover
- wrench
- 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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 23
- 238000000926 separation method Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model relates to the technical field of door locks, in particular to a central control bolt which comprises a central control lower cover plate, a first pull rod and a second pull rod, wherein a central control panel is fixedly arranged on the central control lower cover plate, a spanner is arranged on the central control panel, a button is arranged on the left side of the spanner and positioned on the central control panel, one end of the spanner is connected to a shell of the central control lower cover plate through a pull rod positioning nail, and a pull force sheet is arranged on the pull rod positioning nail and positioned between the spanner and the shell of the central control lower cover plate. Otherwise the problem that can't use, therefore performance is stronger, and the structure is more scientific and reasonable, more suits to use widely on a large scale.
Description
Technical Field
The utility model relates to the technical field of door locks, in particular to a central control bolt.
Background
The problem of the stroke can not be adjusted when the current well accuse is first down on the vice every latch of installation (current vice every latch is first stroke generally 17mm and 22mm), and current well accuse is more single promptly, or the stroke is 17mm, or the stroke is 22mm and only has one shelves to the well accuse needs to be joined in marriage first down on the vice every latch of stroke, otherwise can't use.
In summary, the present invention solves the existing problems by designing a central control pin.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a central control bolt to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a central control bolt comprises a central control lower cover plate, a first pull rod and a second pull rod, wherein a central control panel is fixedly arranged on the central control lower cover plate, a wrench is arranged on the central control panel, a button is arranged on the left side of the wrench and positioned on the central control panel, one end of the wrench is connected to a shell of the central control lower cover plate through a pull rod positioning nail, a pull sheet is arranged on the pull rod positioning nail and positioned between the wrench and the shell of the central control lower cover plate, the other side of the pull rod positioning nail and positioned on the wrench is connected to a step mounting nail through a torsion spring, the step mounting nail is fixedly connected to the shell of the central control lower cover plate, the pull sheet is connected to the second pull rod through a pin, the second pull rod is connected to the inner part of a pull rod sliding groove formed in the central control lower cover plate through a pin, and the right end of the second pull rod is connected to the side wall of the central control lower cover plate through a spring, the spring is arranged above the spring and on the shell of the central control lower cover plate, the pull rod II is arranged between the spring and the pull sheet and is connected with a poking sheet through a pin, the other end of the poking sheet is connected with the pull rod I through a pin, one side of the pull rod I is close to the inside of an adjusting groove formed in the central control lower cover plate through a pin in the position of the button, one end of the button extends to the lower part of the central control panel and is connected with the blocking sheet through a button pin, one side of the blocking sheet is fixedly provided with an installation rivet on the shell of the central control lower cover plate, and the installation rivet is connected to a blocking sheet positioning pin shaft arranged in the middle of the blocking sheet through a reset torsion spring.
As a preferable scheme of the present invention, the wrench is installed inside a wrench installation slot formed in an end surface of the central control panel, the connection mode of the wrench and the wrench installation slot is flexible connection, a wrench positioning step installation nail is arranged below the wrench and on the central control lower cover plate, the button is installed inside a button installation slot formed in the end surface of the central control panel, and the connection mode of the button and the button installation slot is up-down sliding connection.
As a preferable scheme of the utility model, the pull rod positioning nail is respectively connected with the wrench and the pull piece in a rotating mode, the pull piece is in clearance fit with the lower central control cover plate, and the pull piece is in rotating connection with the pull rod II through the pin.
As a preferable scheme of the utility model, the two pull rods are connected with the pull rod sliding groove in a sliding manner through the pins, the pull rod sliding groove is formed along the length direction of the central control lower cover plate, the bottom of each pull rod is in clearance fit with the side wall of the central control lower cover plate, a spring positioning cavity is formed between each spring retaining piece and the corresponding central control lower cover plate, and the springs are arranged in the spring positioning cavities and are in clearance fit.
As a preferable scheme of the utility model, the connection mode of the two pull rods and the toggle piece through the pin is rotational connection, the connection mode of the toggle piece and the first pull rod through the pin is rotational connection, the matching mode of the side wall of the toggle piece and the lower central control cover plate is clearance fit, and the middle end of the toggle piece is rotationally connected to the lower central control cover plate through the step mounting pin of the toggle piece.
As a preferable scheme of the utility model, the first pull rod is slidably connected inside the adjusting groove through a pin, the adjusting groove is parallel to the pull rod sliding groove, the button is rotatably connected with the blocking piece through a button pin, and the blocking piece is rotatably connected to the lower central control cover plate through a blocking piece positioning pin shaft.
As a preferable scheme of the utility model, an end face of the first pull rod is in contact with one end of the blocking piece, step gears are correspondingly arranged on the first pull rod and the blocking piece, the distance between each step gear is 5mm, and central control brackets are symmetrically arranged on the central control lower cover plate and at corners close to the central control panel.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the stroke can be adjusted by designing the central control bolt, the universal stroke reaches 10-25 mm, so that the stroke universal is realized, the installation of a factory installer is more convenient and quicker, and the problem that the existing central control is single, the stroke is 17mm, or the stroke is 22mm and only has one gear, so that the central control needs to be matched with the upper end and the lower end of the auxiliary door bolt with the same stroke, otherwise the auxiliary door bolt cannot be used is solved, therefore, the service performance is stronger, the structure is more scientific and reasonable, and the central control bolt is more suitable for being popularized and used in a large range.
Drawings
FIG. 1 is a schematic structural view of a control plug of the present invention in a closed state;
FIG. 2 is a schematic view of a first position of the pull rod with the catch of the present invention;
FIG. 3 is a schematic view of the structure of the blocking piece of the present invention in a second position of the pull rod.
In the figure: 1. a central control lower cover plate; 2. a first pull rod; 3. a second pull rod; 4. a central control panel; 5. a wrench; 6. a button; 7. a pull rod positioning nail; 8. a tension sheet; 9. a torsion spring; 10. step mounting nails; 11. a pull rod chute; 12. a spring; 13. a spring catch; 14. a toggle sheet; 15. an adjustment groove; 16. a baffle plate; 17. mounting a rivet; 18. a return torsion spring; 19. a catch positioning pin shaft; 20. the wrench positioning step is provided with a nail; 21. the step of the stirring sheet is provided with a nail; 22. and (4) a central control bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, the present invention provides a technical solution:
a central control bolt comprises a central control lower cover plate 1, a pull rod I2 and a pull rod II 3, wherein a central control panel 4 is fixedly arranged on the central control lower cover plate 1, a wrench 5 is arranged on the central control panel 4, a button 6 is arranged on the left side of the wrench 5 and positioned on the central control panel 4, one end of the wrench 5 is connected to a shell of the central control lower cover plate 1 through a pull rod positioning nail 7, a pull sheet 8 is arranged on the pull rod positioning nail 7 and positioned between the wrench 5 and the shell of the central control lower cover plate 1, the pull rod positioning nail 7 and the other side of the wrench 5 are connected to a step mounting nail 10 through a torsion spring 9, the step mounting nail 10 is fixedly connected to the shell of the central control lower cover plate 1, the pull sheet 8 is connected to the pull rod II 3 through a pin, the pull rod II 3 is connected to the inner part of a pull rod chute 11 formed in the central control lower cover plate 1 through a pin, the right end of the pull rod II 3 is connected to the side wall of the central control lower cover plate 1 through a spring 12, the spring 12 is arranged above the spring 12 and is arranged on a shell of the central control lower cover plate 1, the pull rod II 3 is arranged between the spring 12 and the pull sheet 8 and is connected with a poking sheet 14 through a pin, the other end of the poking sheet 14 is connected on the pull rod I2 through a pin, one side of the pull rod I2 is close to the button 6 and is connected with the inside of an adjusting groove 15 formed in the central control lower cover plate 1 through a pin, one end of the button 6 extends to the lower part of the central control panel 4 and is connected with a separation blade 16 through a button pin, one side of the separation blade 16 is arranged on the shell of the central control lower cover plate 1 and is fixedly provided with an installation rivet 17, and the installation rivet 17 is connected on a separation blade positioning pin shaft 19 arranged in the middle of the separation blade 16 through a reset torsion spring 18.
As a further preferable scheme of the present invention, the wrench 5 is installed inside a wrench installation slot formed on the end surface of the central control panel 4, the connection mode of the wrench 5 and the wrench installation slot is flexible connection, a wrench positioning step installation nail 20 is arranged below the wrench 5 and on the central control lower cover plate 1, the button 6 is installed inside a button installation slot formed on the end surface of the central control panel 4, and the connection mode of the button 6 and the button installation slot is up-down sliding connection.
As a further preferable scheme of the utility model, the pull rod positioning nail 7 is respectively connected with the wrench 5 and the pull sheet 8 in a rotating mode, the pull sheet 8 is in clearance fit with the central control lower cover plate 1, and the pull sheet 8 is in rotating connection with the pull rod II 3 through a pin.
As a further preferable scheme of the present invention, the connection mode of the second pull rod 3 and the pull rod chute 11 through the pin is a sliding connection, the pull rod chute 11 is opened along the length direction of the central control lower cover plate 1, the matching mode of the bottom of the second pull rod 3 and the side wall of the central control lower cover plate 1 is a clearance fit, a spring positioning cavity is formed between the spring catch 13 and the central control lower cover plate 1, and the spring 12 is installed inside the spring positioning cavity and the matching mode is a clearance fit.
As a further preferable scheme of the present invention, the connection mode of the second pull rod 3 and the first pull rod 14 through the pin is a rotational connection, the connection mode of the first pull rod 14 and the pin is a rotational connection, the side wall of the first pull rod 14 and the central control lower cover plate 1 are in a clearance fit, and the middle end of the second pull rod 14 is rotationally connected to the central control lower cover plate 1 through the step mounting pin 21 of the first pull rod.
As a further preferable scheme of the utility model, the first pull rod 2 is slidably connected inside the adjusting groove 15 through a pin, the adjusting groove 15 is parallel to the pull rod sliding groove 11, the button 6 is rotatably connected with the blocking piece 16 through a button pin, and the blocking piece 16 is rotatably connected to the lower central control cover plate 1 through a blocking piece positioning pin shaft 19.
As a further preferable scheme of the present invention, an end face of the first pull rod 2 is in contact with one end of the blocking piece 16, step gears are correspondingly arranged on the first pull rod 2 and the blocking piece 16, a distance between each step gear is 5mm, and central control brackets 22 are symmetrically arranged on the central control lower cover plate 1 and at corners close to the central control panel 4.
The specific implementation case is as follows:
FIG. 1 shows: the central control bolt is in a closed state.
A wrench 5 is sequentially arranged in a wrench installation slot hole formed in the end face of a central control panel 4, the connection mode of the wrench 5 and the wrench installation slot hole is flexible connection, a wrench positioning step installation nail 20 is arranged below the wrench 5 and on a central control lower cover plate 1, a button 6 is arranged in a button installation slot hole formed in the end face of the central control panel 4, the connection mode of the button 6 and the button installation slot hole is up-and-down sliding connection, a pull rod positioning nail 7 is respectively connected with the wrench 5 and a pull rod 8 in a rotating mode, the matching mode between the pull rod 8 and the central control lower cover plate 1 is clearance fit, the pull rod 8 is connected with a pull rod II 3 in a rotating mode through a pin, the pull rod II 3 is connected with a pull rod chute 11 in a sliding mode through a pin, and the pull rod chute 11 is formed along the length direction of the central control lower cover plate 1, the bottom of the pull rod II 3 is in clearance fit with the side wall of the central control lower cover plate 1, a spring positioning cavity is formed between the spring baffle plate 13 and the central control lower cover plate 1, the spring 12 is arranged in the spring positioning cavity, the fit mode is in clearance fit, the pull rod II 3 is in rotary connection with the poking piece 14 through a pin, the poking piece 14 is in rotary connection with the pull rod I2 through a pin, the side wall of the poking piece 14 is in clearance fit with the central control lower cover plate 1, the middle end of the poking piece 14 is in rotary connection with the central control lower cover plate 1 through a poking piece step mounting nail 21, the pull rod I2 is in sliding connection with the inside of the adjusting groove 15 through a pin, the adjusting groove 15 is parallel to the pull rod sliding groove 11, the button 6 is in rotary connection with the baffle plate 16 through a button pin, the baffle plate 16 is in rotary connection with the central control lower cover plate 1 through a baffle plate positioning pin 19, the end face of the first pull rod 2 is in contact with one end of the blocking piece 16, step gears are correspondingly arranged on the first pull rod 2 and the blocking piece 16, the distance between each step gear is 5mm, and the central control bracket 22 is symmetrically arranged on the central control lower cover plate 1 and at the corner close to the central control panel 4
FIG. 2 shows: the wrench 5 is pressed and then pulled upwards, the wrench 5 pushes the tension piece 8 to rotate, the tension piece 8 rotates to drive the pull rod two 3 to move leftwards, the pull rod two 3 compresses the spring 12 after moving, meanwhile, the shifting piece 14 rotates to drive the pull rod one 2 to move rightwards, when the pull rod one 2 moves to the first gear, the blocking piece 16 downwards blocks the first gear of the pull rod one 2 under the elastic action of the reset torsion spring 18, the wrench 5 is loosened, automatic return is realized under the elastic action of the torsion spring 9, the pull rod one 2 and the pull rod two 3 already move 17MM, if the pull rod 2 is pressed downwards at the moment, automatic return is realized, and the above structures are reset under the elastic action of the reset torsion spring 18 and the compression spring 12 in sequence, as shown in figure 1.
FIG. 3 shows: the spanner 5 is pressed and then pulled upwards, the spanner 5 pushes the tension sheet 8 to rotate, the tension sheet 8 rotates to drive the pull rod two 3 to move leftwards, the pull rod two 3 compresses the spring 12 after moving, meanwhile, the poking sheet 14 rotates to drive the pull rod one 2 to move rightwards, when the pull rod one 2 moves to the first gear, the blocking sheet 16 downwards blocks the first gear of the pull rod one 2 under the elastic action of the reset torsion spring 18, the spanner 5 is loosened, the pull rod one 2 and the pull rod two 3 automatically return under the elastic action of the torsion spring 9, the pull rod one 2 and the pull rod two 3 already move 22MM, if the pull rod one 2 moves downwards at the moment, the structure automatically returns, the structures are sequentially returned under the elastic actions of the reset torsion spring 18 and the compression spring 12, as shown in figure 1, the process realizes the forming adjustability through design, the wildcard stroke reaches 10MM-25MM, and therefore, the wildcard enables the dooryard installer to install more conveniently and quickly through the stroke wildcard, the problem of current well accuse relatively single, or the stroke is 17mm, or the stroke is 22mm and only one grade to cause well accuse to need join in marriage the upper and lower ends of the vice door bolt of the same stroke, otherwise unable use, consequently performance is stronger, and structure scientific and reasonable more, more suitable using widely on a large scale.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a well accuse bolt, includes well accuse lower cover plate (1), pull rod (2) and pull rod two (3), its characterized in that: the central control lower cover plate (1) is fixedly provided with a central control panel (4), a wrench (5) is installed on the central control panel (4), the left side of the wrench (5) is positioned on the central control panel (4) and is provided with a button (6), one end of the wrench (5) is connected onto a shell of the central control lower cover plate (1) through a pull rod positioning nail (7), a pull piece (8) is installed on the pull rod positioning nail (7) and positioned between the wrench (5) and the shell of the central control lower cover plate (1), the other side of the pull rod positioning nail (7) and positioned on the wrench (5) is connected onto a step mounting nail (10) through a torsion spring (9), the step mounting nail (10) is fixedly connected onto the shell of the central control lower cover plate (1), the pull piece (8) is connected onto a second pull rod (3) through a pin, the second pull rod (3) is connected into the inner part of a pull rod sliding chute (11) which is arranged on the central control lower cover plate (1), the right end of the second pull rod (3) is connected to the side wall of the central control lower cover plate (1) through a spring (12), a spring blocking piece (13) is arranged above the spring (12) and on the shell of the central control lower cover plate (1), a poking piece (14) is connected to the position, between the spring (12) and the tension piece (8), on the second pull rod (3), of the other end of the poking piece (14) is connected to the first pull rod (2) through a pin, one side of the first pull rod (2) and a position close to the button (6) are connected to the inner portion of an adjusting groove (15) formed in the central control lower cover plate (1) through a pin, one end of the button (6) extends to the lower portion of the central control panel (4) and is connected to the stop piece (16) through a button pin, a mounting rivet (17) is fixedly arranged on one side of the stop piece (16) and on the shell of the central control lower cover plate (1), the mounting rivet (17) is connected to a baffle positioning pin shaft (19) arranged in the middle of the baffle (16) through a reset torsion spring (18).
2. The center control bolt of claim 1, wherein: the wrench (5) is installed inside a wrench installation slot formed in the end face of the central control panel (4), the connection mode of the wrench (5) and the wrench installation slot is flexible connection, a wrench positioning step installation nail (20) is arranged below the wrench (5) and on the central control lower cover plate (1), the button (6) is installed inside a button installation slot formed in the end face of the central control panel (4), and the connection mode of the button (6) and the button installation slot is up-down sliding connection.
3. The center control bolt of claim 2, wherein: the pull rod positioning nail (7) is respectively connected with the wrench (5) and the pull sheet (8) in a rotating mode, the pull sheet (8) is in clearance fit with the central control lower cover plate (1), and the pull sheet (8) is connected with the pull rod (3) in a rotating mode through a pin.
4. The center control bolt of claim 3, wherein: the second pull rod (3) is in sliding connection with the pull rod sliding groove (11) through a pin, the pull rod sliding groove (11) is formed in the length direction of the lower central control cover plate (1), the bottom of the second pull rod (3) is in clearance fit with the side wall of the lower central control cover plate (1), a spring positioning cavity is formed between the spring blocking piece (13) and the lower central control cover plate (1), the spring (12) is installed inside the spring positioning cavity, and the cooperation mode is in clearance fit.
5. The center control bolt of claim 4, wherein: the second pull rod (3) is rotationally connected with the first pull rod (2) through a pin, the first pull rod (14) is rotationally connected with the first pull rod (2) through a pin, the side wall of the first pull rod (14) is in clearance fit with the lower cover plate (1) of the central control, and the middle end of the second pull rod (14) is rotationally connected with the lower cover plate (1) of the central control through a step mounting nail (21).
6. The center control bolt of claim 5, wherein: pull rod (2) are in the inside of adjustment tank (15) through pin sliding connection, adjustment tank (15) are parallel to each other with pull rod spout (11), button (6) are connected for rotating through the connected mode of button pin and separation blade (16), separation blade (16) rotate through separation blade positioning pin axle (19) and connect under the well accuse on apron (1).
7. The central control bolt of claim 6, characterized in that: the end face of the first pull rod (2) is in contact with one end of the blocking piece (16), step gears are correspondingly arranged on the first pull rod (2) and the blocking piece (16), the distance between each step gear is 5mm, and central control supports (22) are symmetrically arranged on the central control lower cover plate (1) and at the corner close to the central control panel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267700.5U CN216588148U (en) | 2021-09-16 | 2021-09-16 | Central control bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267700.5U CN216588148U (en) | 2021-09-16 | 2021-09-16 | Central control bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216588148U true CN216588148U (en) | 2022-05-24 |
Family
ID=81637686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122267700.5U Expired - Fee Related CN216588148U (en) | 2021-09-16 | 2021-09-16 | Central control bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216588148U (en) |
-
2021
- 2021-09-16 CN CN202122267700.5U patent/CN216588148U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202277319U (en) | Door lock assembly of household dish washing machine | |
| CN216588148U (en) | Central control bolt | |
| CN205637930U (en) | Bolt device | |
| CN202430510U (en) | Manually-driven pull rod unlocking device for electric door lock of washing machine | |
| CN215056330U (en) | Central control bolt | |
| CN212614186U (en) | Door lock | |
| CN212453986U (en) | Lock structure of cashbox panel | |
| CN211008139U (en) | Washing machine outer door locking structure | |
| CN209552903U (en) | A kind of electronic bus door moving structure of steady type | |
| CN108505845B (en) | Full-electric lock body with inverted tongue | |
| CN218376116U (en) | Decorative door | |
| CN216157393U (en) | Transmission locking device for building door and window hardware | |
| CN201167444Y (en) | Hinge structure of pull-down type switch door | |
| CN111042662A (en) | Electromechanical separation type flexible transmission structure for electric lock body | |
| CN211691939U (en) | Quick opening device of vehicle front cover lock, vehicle front cover lock piece and vehicle | |
| CN213928155U (en) | Assembled domestic door of clearance of being convenient for interior decoration | |
| CN201087622Y (en) | Door lock mechanism capable of implementing left and right reversing and self-locking | |
| CN221073804U (en) | Concealed cabinet door handle | |
| CN216788206U (en) | Novel fire prevention transfer line and fire window | |
| CN211701038U (en) | Locking mechanism of ring main unit | |
| CN219355107U (en) | Connection structure and defibrillation equipment | |
| CN216852712U (en) | Communication equipment fixed mounting device | |
| CN210888432U (en) | Secondary door world bolt structure | |
| CN220580775U (en) | Locking structure for plastic cabinet | |
| CN217973739U (en) | Buffering formula flip mechanism and washing machine that opens and shuts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220524 |