CN208491949U - Anti-down damping member and closestool cover coil assembly - Google Patents
Anti-down damping member and closestool cover coil assembly Download PDFInfo
- Publication number
- CN208491949U CN208491949U CN201721392910.4U CN201721392910U CN208491949U CN 208491949 U CN208491949 U CN 208491949U CN 201721392910 U CN201721392910 U CN 201721392910U CN 208491949 U CN208491949 U CN 208491949U
- Authority
- CN
- China
- Prior art keywords
- rotation shaft
- sleeve
- opening portion
- damping rotation
- elastic component
- 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
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- Toilet Supplies (AREA)
Abstract
The utility model discloses a kind of anti-down damping members, including fixes sleeve, Damping rotation shaft and the reducing sleeve being socketed on Damping rotation shaft；One end of Damping rotation shaft configures in fixes sleeve, and reducing sleeve is located in fixes sleeve, and links together with Damping rotation shaft；Block piece is provided on the inner surface of fixes sleeve；It is provided with elastic component on reducing sleeve, sliding part is additionally provided on reducing sleeve；It is provided at least one opening portion on the reducing sleeve edge of reducing sleeve, the outer openings of opening portion are towards fixes sleeve, and the inside opening of opening portion is towards elastic component；Sliding part is pivotally disposed in opening portion；It is at least partly contacted with elastic component on sliding part；Outer openings are at least partly stretched out on sliding part, and can be contacting and separating with block piece.The invention also discloses a kind of closestool cover coil assemblies.It, which can be played, prevents seat ring, flap from closing naturally, avoids the generation of noise and seat ring, flap is prevented to be damaged.
Description
Technical field
The utility model relates to toilet technical field more particularly to a kind of anti-down damping member and toilet decorative cover groups
Part.
Background technique
Toilet is the essential product in toilet.Seat ring and flap are provided on toilet, seat ring, flap lead to respectively
Overdamp shaft connect realization with ontology and is flipped open and is closed.
Seat ring and flap automatically fall off generation noise when opening in order to prevent, and when seat ring, flap being avoided to be closed automatically
It is in the prior art typically all biggish angle of turning over when being flipped open using seat ring, flap because collision is damaged,
Its center of gravity is set to be greater than 5 degree, the torque by reversed center of gravity prevents seat ring, flap from closing naturally, but certain special formed pedestal toilets
Device cannot achieve and the center of gravity of seat ring, flap is allowed to be greater than 5 degree for the needs of appearance and modeling.
In view of this, providing a kind of anti-down damping member and toilet decorative cover that seat ring, flap can be prevented to be automatically closed
Component necessitates.
Utility model content
Technical solutions of the utility model provide a kind of anti-down damping member, including fixes sleeve, Damping rotation shaft and are socketed in
Reducing sleeve on the Damping rotation shaft；
One end of the Damping rotation shaft configures in the fixes sleeve, and the reducing sleeve is located in the fixes sleeve；
At least one block piece extended towards the reducing sleeve protrusion is provided on the inner surface of the fixes sleeve；
It is provided at least one elastic component on the reducing sleeve, at least one sliding is additionally provided on the reducing sleeve
Part；
At least one opening portion, the outer openings court of the opening portion are provided on the reducing sleeve edge of the reducing sleeve
To the fixes sleeve, the inside opening of the opening portion is towards the elastic component；
The sliding part is slidably disposed in the opening portion；
It is at least partly contacted with the elastic component on the sliding part；
The outer openings are at least partly stretched out on the sliding part, and can be contacting and separating with the block piece.
Further, the sliding part is sliding-rolling part；The sliding-rolling part is slidably disposed in the opening
In portion, and the sliding-rolling part can rotate in the opening portion, and the axis of the sliding-rolling part and the damping turn
The axis of axis is parallel.
Further, there are two the elastic components for setting in the reducing sleeve, correspond to institute on the reducing sleeve edge
The position for stating elastic component is both provided with the opening portion；
The sliding part is equipped in each opening portion；
Two block pieces are correspondingly provided on the inner surface of the fixes sleeve.
Further, the elastic component include towards the opening portion side protrusion be arranged lug boss and with the lug boss
The installation end of connection；
The installation end is mounted on the inside at the reducing sleeve edge, at least partly opens from the inside on the lug boss
Mouth protrudes into the opening portion.
Further, the installation end is respectively arranged in the two sides of the lug boss；
It is arranged in the inside at the reducing sleeve edge there are two mounting groove, two mounting grooves are located at the inside opening
Two sides；
Two connecting pins are respectively mounted in two mounting grooves.
Further, the elastic component is C-shaped；
Annular groove is provided on the inside of the reducing sleeve edge, the C-shaped elastic component is configured in the annular groove
It is interior.
Further, there are two the opening portions for setting on the reducing sleeve edge, and two opening portions are symmetrically
It is arranged in the two sides of the C-shaped elastic component；
The sliding part is both provided in each opening portion；
Two block pieces are correspondingly provided on the inner surface of the fixes sleeve.
Further, the block piece is arc-shaped along the section of the axis perpendicular to the fixes sleeve.
Further, one end on the Damping rotation shaft far from the fixes sleeve is provided with for the axis connection with outside
Axle sleeve.
Technical solutions of the utility model also provide a kind of closestool cover coil assembly, including ontology, setting are on the body
Seat ring, the seat ring Damping rotation shaft that connect on the body and with the seat ring of setting flap on the body, setting
The flap Damping rotation shaft being connect on the body and with the flap with setting；
Aforementioned any technical solution is connected separately on the seat ring Damping rotation shaft and the flap Damping rotation shaft
The anti-down damping member；
Fixes sleeve in two anti-down damping members is fixedly arranged on the ontology；
Damping rotation shaft in one of them described anti-down damping member is connect with the seat ring Damping rotation shaft, described in another
Damping rotation shaft in anti-down damping member is connect with the flap Damping rotation shaft.
By adopting the above technical scheme, it has the following beneficial effects:
By the way that elastic component is arranged in reducing sleeve, sliding part is also set up on reducing sleeve, makes a part and bullet of sliding part
Property part contact, at least part can contact with the block piece on the inner surface of fixes sleeve；When Damping rotation shaft rotation, turn
Female connector drives sliding part as Damping rotation shaft rotates, after sliding part and block piece contact, meeting compression elastic piece, in external force
Lower slider can slip over block piece, and when external force disappears, sliding part can be kept under elastic component effect with block piece at this time
Contact, to prevent sliding part to back rotation, so that Damping rotation shaft cannot turn round, if being connected with seat ring on Damping rotation shaft
Damping rotation shaft or flap Damping rotation shaft, then can play prevents seat ring, flap from closing naturally or anti-down effect.
Detailed description of the invention
Fig. 1 is the perspective view for the anti-down damping member that an embodiment of the present invention provides；
Fig. 2 is the explosive view for the anti-down damping member that an embodiment of the present invention provides；
Fig. 3 is the perspective view of Damping rotation shaft；
Fig. 4 is the explosive view that elastic component and sliding part are provided on reducing sleeve；
Fig. 5 is the schematic diagram when sliding part slips over block piece；
Fig. 6 is the schematic diagram that the elastic component of c-type is provided on reducing sleeve；
Fig. 7 is the explosive view of Fig. 6；
Fig. 8 is the schematic diagram for the closestool cover coil assembly that an embodiment of the present invention provides.
The appended drawing reference table of comparisons:
The anti-down damping member of 100-；1- fixes sleeve；11- blocking portion；
12- bracket；2- Damping rotation shaft；21- cutting portion；
3- reducing sleeve；31- reducing sleeve edge；The opening portion 32-；
321- outer openings；322- inside opening；33- mounting groove；
34- waist-shaped hole；35- annular groove；4- elastic component；
41- lug boss；42- installation end；5- sliding part；
6- end cap；7- axle sleeve；
200- closestool cover coil assembly；201- ontology；202- flap；
203- seat ring；204- flap Damping rotation shaft；205- seat ring Damping rotation shaft.
Specific embodiment
Further illustrate specific embodiment of the present utility model with reference to the accompanying drawing.Wherein identical components phase
Same appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper" and
"lower" refers to that the direction in attached drawing, word "inner" and "outside" refer respectively to the side towards or away from geometric center of specific component
To.
As shown in Figs. 1-5, the anti-down damping member 100 that an embodiment of the present invention provides, including fixes sleeve 1, resistance
Buddhist nun's shaft 2 and the reducing sleeve 3 being socketed on Damping rotation shaft 2.
One end of Damping rotation shaft 2 configures in fixes sleeve 1, and reducing sleeve 3 is located in fixes sleeve 1.
At least one block piece 11 extended towards 3 protrusion of reducing sleeve is provided on the inner surface of fixes sleeve 1.
It is provided at least one elastic component 4 on reducing sleeve 3, at least one sliding part 5 is additionally provided on reducing sleeve 3.
At least one opening portion 32, the outer openings 321 of opening portion 32 are provided on the reducing sleeve edge 31 of reducing sleeve 3
Towards fixes sleeve 1, the inside opening 322 of opening portion 32 is towards elastic component 4.
Sliding part 5 is slidably disposed in opening portion 32.It is at least partly contacted with elastic component 4 on sliding part 5；Sliding part
Outer openings 321 are at least partly stretched out on 5, and can be contacting and separating with block piece 11.
The anti-down damping member 100 is mainly arranged on toilet, is closed automatically for limiting seat ring and/or flap
It closes.
The anti-down damping member 100 mainly includes fixes sleeve 1, Damping rotation shaft 2 and the switching being socketed on Damping rotation shaft 2
Set 3.
One end of Damping rotation shaft 2 is inserted in fixes sleeve 1, and can be rotated in fixes sleeve 2.Reducing sleeve 3 is socketed
It, can be with Damping rotation shaft unitary rotation on Damping rotation shaft 2.Reducing sleeve 2 is located in fixes sleeve 1, then tight by end cap 6
Gu.
It is provided with block piece 11 on the inner surface of fixes sleeve 1, extends towards 3 side of reducing sleeve.Fixes sleeve 1 can be with
Designated position is fixedly connected on by bracket 12.Block piece 11 is preferably integrally formed with fixes sleeve 1.
It is respectively arranged with cutting portion 21 in the two sides of Damping rotation shaft 2, so that Damping rotation shaft 2 is in waist type.In reducing sleeve 3
Middle part be provided with waist-shaped hole 34, Damping rotation shaft 2 passes through waist-shaped hole 34, to realize that Damping rotation shaft 2 drives 3 one of reducing sleeve to turn
It is dynamic.
It is provided at least one elastic component 4 on the surface of reducing sleeve 3, is provided on reducing sleeve edge 31 and elastic component
The corresponding opening portion 32 of 4 quantity, and make the inside opening 322 of opening portion 32 towards elastic component 4,321 direction of outer openings
The inner surface of fixes sleeve 1.A sliding part 5 is configured in each opening portion 32.Sliding part 5 and the sliding of opening portion 32 connect
It connects, can slide, can also be opened along outer openings 321 to inside along the direction of inside opening 322 to outer openings 321
The direction sliding of mouth 322.Since the cross spacing of opening portion 32 acts on, sliding part 5 can turn with the rotation of reducing sleeve 3
Dynamic, the two can be with unitary rotation.
At least partly or at least one end keeps contacting with elastic component 4 on sliding part 5, also has at least partly on sliding part 5
Or the outside of at least one end stretching outer openings 321, and extend towards the inner surface of fixes sleeve 1, so as to switching
It covers 3 rotation and contacts or separate with block piece 11.
In use, Damping rotation shaft 2 can be connect with seat ring Damping rotation shaft or flap Damping rotation shaft.
When opening seat ring or flap, Damping rotation shaft 2 is rotated with seat ring Damping rotation shaft or flap Damping rotation shaft, is turned simultaneously
Female connector 3 drives 5 unitary rotation of sliding part, can be towards the central compressed bullet of reducing sleeve 3 after sliding part 5 and the contact of block piece 11
Property part 4.At this point, sliding part 5 can slip over block piece 11 under external force.After sliding part 5 slips over block piece 11, when outer
Power disappear when, at this time sliding part 5 elastic component 4 effect under can be kept in contact with block piece 11, thus prevent sliding part 5 to return
Rotation prevents seat ring, flap from closing naturally or anti-down effect so that Damping rotation shaft 2 cannot turn round so as to play.
When needing Damping rotation shaft 2 to turn round, or when needing to close seat ring or flap, slightly to Damping rotation shaft 2 or seat ring, flap
Micro- application external force, that is, may make sliding part 5 to return slip over block piece 11, finally separated with block piece 11, realize Damping rotation shaft 2 return
Turn or seat ring, flap are closed.
Preferably, the elastic component 4 in the utility model is elastic piece.
Preferably, as shown in Figure 4 and Figure 6, sliding part 5 is sliding-rolling part, and sliding-rolling part is slidably disposed in out
In oral area 32, and sliding-rolling part can rotate in opening portion 32, and the axis of sliding-rolling part and the axis of Damping rotation shaft 2 are flat
Row.Sliding-rolling part is cylinder, and one side is slidably disposed in opening portion 32, can be towards inside and outside opening portion 32
Side opening sliding, to contact or separate with block piece 11.Sliding-rolling part is also pivotally disposed in opening portion 32, so as to
To be rotated in opening portion 32.When sliding-rolling part and block piece 11 contact, sliding friction is become into rolling friction, is reduced
Frictional force between the two.
Sliding-rolling part can be the sphere being pivotally disposed in opening portion 32, cylinder etc..
Preferably, there are two elastic components 4 for setting in reducing sleeve 3, at reducing sleeve edge 31 as shown in Fig. 1-2 and Fig. 4-5
The position of upper corresponding elastic component 4 is both provided with an opening portion 32.
It is equipped with a sliding part 5 in each opening portion 32, is correspondingly provided on the inner surface of fixes sleeve 1
Two block pieces 11.
At the end of Damping rotation shaft 2 rotates, two sliding parts 5 can be limited respectively by two block pieces 11,
Improve anti-rotation or anti-down effect.
Preferably, two elastic pieces 4 are symmetrically arranged at the two sides of reducing sleeve 3.
The utility model includes the elastic component of the first structure, as described below:
Preferably, as shown in figure 4, elastic component 4 include towards 32 side protrusion of opening portion be arranged lug boss 41 and with protrusion
The installation end 42 that portion 41 connects.
Installation end 42 is mounted on the inside at reducing sleeve edge 31, at least partly protrudes into from inside opening 322 on lug boss 41
In opening portion 32, conducive to keeping sliding part 5 to contact with elastic piece 4, stretched out so as to provide resilient support sliding part 5 in time,
Realization is contacted with block piece 11.
Preferably, as shown in figure 4, being respectively arranged with an installation end 42 in the two sides of lug boss 41.
It is arranged in the inside at reducing sleeve edge 31 there are two mounting groove 33, two mounting grooves 33 are located inside opening 322
Two sides.
When assembling, two connecting pins 42 are respectively mounted in two mounting grooves 33, ease of assembly, and the company of improving
The stability connect is additionally favorable for so that lug boss 41 is partially protruded into opening portion 32.
The utility model further includes the elastic component of second of structure, as described below:
Preferably, as shown in fig. 6-7, elastic component 4 is C-shaped.The inside at reducing sleeve edge 31 is provided with annular groove 35, is in
The elastic component 4 of c-type configures in annular groove 32, ease of assembly, and the elastic force of C-shaped elastic component 4 is big, can be to sliding part
5 provide bigger power.
Preferably, as shown in fig. 6-7, there are two opening portion 32, two opening portions 32 are right for setting on reducing sleeve edge 31
It is arranged in the two sides of C-shaped elastic component 4 with claiming.
It is both provided with a sliding part 5 in each opening portion 32, is correspondingly provided with two on the inner surface of fixes sleeve 1
A block piece 11 respectively can limit two sliding parts 5 by two block pieces 11 at the end of Damping rotation shaft 2 rotates
Position, improves anti-rotation or anti-down effect.
Preferably, two elastic pieces 4 are symmetrically arranged at the two sides of the elastic component 4 of c-type.
Preferably, reducing as shown in Figure 1, block piece 11 is arc-shaped along the section of the axis perpendicular to fixes sleeve 1
With the contact area between sliding part 5, and then friction between the two is reduced.
Preferably, as shown in Fig. 2, one end on Damping rotation shaft 2 far from fixes sleeve 1 is provided with for connecting with external axis
The axle sleeve 7 connect is provided with waist-shaped hole in axle sleeve 7, and Damping rotation shaft 2 is inserted into the waist-shaped hole in axle sleeve 7, so that both realizing can
Unitary rotation.
Spline, convenient and other axis connection are provided on the outer surface of axle sleeve 7.
Damping rotation shaft 2 can be connect by axle sleeve 7 with seat ring Damping rotation shaft or flap Damping rotation shaft, ease of assembly.
As shown in figure 8, the closestool cover coil assembly 200 that an embodiment of the present invention provides, including ontology 201, setting
On ontology 201 seat ring 203, be arranged on ontology 201 seat 202, be arranged on ontology 201 and connect with seat ring 203
Seat ring Damping rotation shaft 205 and the flap Damping rotation shaft 204 for being arranged on ontology 201 and being connect with flap 202.
Wherein, an aforementioned any embodiment is connected separately on seat ring Damping rotation shaft 205 and flap Damping rotation shaft 204
Described anti-down damping member 100.
In conjunction with shown in Fig. 1-7, the fixes sleeve 1 in two anti-down damping members 100 is fixedly arranged on ontology 201.
Damping rotation shaft 2 in one of them anti-down damping member 100 is connect with seat ring Damping rotation shaft 205, another is anti-down
Damping rotation shaft 2 in damping member 100 is connect with flap Damping rotation shaft 204.
Structure, construction and work in relation to anti-down damping member 100 are separate, please refer to front to anti-down damping member 100
Description, details are not described herein.
Flap 202, seat ring 203, flap Damping rotation shaft 204 and seat ring Damping rotation shaft 205 in closestool cover coil assembly 200
It is all mounted on ontology 201.
Flap Damping rotation shaft 204 and 202 unitary rotation of flap, seat ring Damping rotation shaft 205 and 203 unitary rotation of seat ring.
By being connected separately with an anti-down damping member on seat ring Damping rotation shaft 205 and flap Damping rotation shaft 204
100, it may be implemented to prevent flap 202 and/or seat ring 203 from closing naturally or anti-down.
When assembling, the fixes sleeve 1 in two anti-down damping members 100 is mounted on ontology 201 by bracket 12 respectively
On.One of Damping rotation shaft 2 is connect by axle sleeve 7 with flap Damping rotation shaft 204, another Damping rotation shaft 2 is passed through another
One axle sleeve 7 is connect with seat ring Damping rotation shaft 205.
When flap 202 is opened, flap Damping rotation shaft 204 drives the axle sleeve 7 being attached thereto and damping to turn with rotation
Axis 2 rotates, and Damping rotation shaft 2 drives reducing sleeve 3 and sliding part 5 to rotate, after the rotation of sliding part 5 slips over block piece 11, due to
The effect of elastic component 4, sliding part 5 are blocked the limitation of part 11 and cannot voluntarily turn round, and needing to apply external force could turn round, so as to
Prevent flap 202 from closing naturally.
When seat ring 203 is opened, seat ring Damping rotation shaft 205 drives the axle sleeve 7 being attached thereto and damping to turn with rotation
Axis 2 rotates, and Damping rotation shaft 2 drives reducing sleeve 3 and sliding part 5 to rotate, after the rotation of sliding part 5 slips over block piece 11, due to
The effect of elastic component 4, sliding part 5 are blocked the limitation of part 11 and cannot voluntarily turn round, and needing to apply external force could turn round, so as to
Prevent seat ring 203 from closing naturally.
As needed, above-mentioned each technical solution can be combined, to reach best-of-breed technology effect.
Above-described is only the principles of the present invention and preferred embodiment.It should be pointed out that for the general of this field
For logical technical staff, on the basis of the utility model principle, several other modifications can also be made, also should be regarded as practical
Novel protection scope.
Claims (10)
1. a kind of anti-down damping member, which is characterized in that including fixes sleeve, Damping rotation shaft and be socketed on the Damping rotation shaft
Reducing sleeve；
One end of the Damping rotation shaft configures in the fixes sleeve, and the reducing sleeve is located in the fixes sleeve；
At least one block piece extended towards the reducing sleeve protrusion is provided on the inner surface of the fixes sleeve；
It is provided at least one elastic component on the reducing sleeve, at least one sliding part is additionally provided on the reducing sleeve；
It is provided at least one opening portion on the reducing sleeve edge of the reducing sleeve, the outer openings of the opening portion are towards institute
State fixes sleeve, the inside opening of the opening portion is towards the elastic component；
The sliding part is slidably disposed in the opening portion；
It is at least partly contacted with the elastic component on the sliding part；
The outer openings are at least partly stretched out on the sliding part, and can be contacting and separating with the block piece.
2. anti-down damping member according to claim 1, which is characterized in that the sliding part is sliding-rolling part；
The sliding-rolling part is slidably disposed in the opening portion, and the sliding-rolling part can be in the opening portion
The axis of interior rotation, the sliding-rolling part is parallel with the axis of the Damping rotation shaft.
3. anti-down damping member according to claim 1 or 2, which is characterized in that in the reducing sleeve there are two settings
The elastic component, the position that the elastic component is corresponded on the reducing sleeve edge are both provided with the opening portion；
The sliding part is equipped in each opening portion；
Two block pieces are correspondingly provided on the inner surface of the fixes sleeve.
4. anti-down damping member according to claim 3, which is characterized in that the elastic component includes towards the opening portion
The lug boss of side protrusion setting and the installation end being connect with the lug boss；
The installation end is mounted on the inside at the reducing sleeve edge, at least partly stretches from the inside opening on the lug boss
Enter in the opening portion.
5. anti-down damping member according to claim 4, which is characterized in that
The installation end is respectively arranged in the two sides of the lug boss；
It is arranged in the inside at the reducing sleeve edge there are two mounting groove, two mounting grooves are located at the two of the inside opening
Side；
Two connecting pins are respectively mounted in two mounting grooves.
6. anti-down damping member according to claim 1 or 2, which is characterized in that the elastic component is C-shaped；
Annular groove is provided on the inside of the reducing sleeve edge, the C-shaped elastic component configures in the annular groove.
7. anti-down damping member according to claim 6, which is characterized in that
There are two the opening portions for setting on the reducing sleeve edge, and two opening portions are symmetrically arranged at C-shaped
The two sides of the elastic component；
The sliding part is both provided in each opening portion；
Two block pieces are correspondingly provided on the inner surface of the fixes sleeve.
8. anti-down damping member according to claim 1 or 2, which is characterized in that the block piece is along perpendicular to described
The section of the axis of fixes sleeve is arc-shaped.
9. anti-down damping member according to claim 1 or 2, which is characterized in that far from described solid on the Damping rotation shaft
The one end for determining sleeve is provided with for the axle sleeve with external axis connection.
10. a kind of closestool cover coil assembly, on the body including ontology, setting seat ring on the body, setting
Seat ring Damping rotation shaft that flap, setting connects on the body and with the seat ring and be arranged on the body and with it is described
The flap Damping rotation shaft of flap connection；
It is characterized in that, being connected separately with one such as claim on the seat ring Damping rotation shaft and the flap Damping rotation shaft
Anti-down damping member described in any one of 1-9；
Fixes sleeve in two anti-down damping members is fixedly arranged on the ontology；
Damping rotation shaft in one of them described anti-down damping member is connect with the seat ring Damping rotation shaft, another is described anti-down
Damping rotation shaft in damping member is connect with the flap Damping rotation shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721392910.4U CN208491949U (en) | 2017-10-25 | 2017-10-25 | Anti-down damping member and closestool cover coil assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721392910.4U CN208491949U (en) | 2017-10-25 | 2017-10-25 | Anti-down damping member and closestool cover coil assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208491949U true CN208491949U (en) | 2019-02-15 |
Family
ID=65301842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721392910.4U Expired - Fee Related CN208491949U (en) | 2017-10-25 | 2017-10-25 | Anti-down damping member and closestool cover coil assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208491949U (en) |
-
2017
- 2017-10-25 CN CN201721392910.4U patent/CN208491949U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20211025 |