CN209668024U - A kind of anti-deviation conveying mechanism - Google Patents
A kind of anti-deviation conveying mechanism Download PDFInfo
- Publication number
- CN209668024U CN209668024U CN201920435588.1U CN201920435588U CN209668024U CN 209668024 U CN209668024 U CN 209668024U CN 201920435588 U CN201920435588 U CN 201920435588U CN 209668024 U CN209668024 U CN 209668024U
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- China
- Prior art keywords
- bent plate
- traction roller
- conveyer belt
- plate chain
- conveying mechanism
- 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.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 210000003781 tooth socket Anatomy 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 17
- 230000002146 bilateral effect Effects 0.000 claims description 7
- 241000208125 Nicotiana Species 0.000 description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000002360 explosive Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Chain Conveyers (AREA)
Abstract
The utility model discloses a kind of anti-deviation conveying mechanisms, can prevent belt deflection.In the anti-deviation conveying mechanism: including conveyer belt and bent plate chain in compound conveyor chain, it is outer and connected with the bent plate on bent plate chain that conveyer belt is set in bent plate chain；It include driving gear and the first traction roller in main transmission component, driving gear and the first traction roller are coaxially set on active mandrel to be driven by active mandrel and rotate, driving gear drives compound conveyor chain for engaging with bent plate chain, and the first traction roller is located at the drive end turning part holding semi-cylindrical that conveyer belt is used to support on the inside of conveyer belt；Passive component includes driven gear and the second traction roller, driven gear and the second traction roller are coaxially set on passive mandrel, driven gear prevents compound conveyor chain sideslip for engaging with bent plate chain, and the second traction roller is located at the Partner turning part holding semi-cylindrical that conveyer belt is used to support on the inside of conveyer belt.
Description
Technical field
The utility model relates to conveying equipment manufacturing technology field, in particular to a kind of anti-deviation conveying mechanism.
Background technique
In the prior art, material is conveyed often through conveyer belt, conveyer belt is set in drive roll and passive rolling
On cylinder, driven by drive roll.But during the work time, conveyer belt often will appear sideslip.
Belt deflection in order to prevent, the measure used in the prior art are general are as follows: 1. in conveyer belt lower part, installation V-arrangement is led
Item；2. increasing self-aligning roller；3. increasing the mechanism of adjustment distance on the passive roller of master.And these measures are applied to conveying cigarette
When in the transportation system of leaf, or the problem of often will appear belt deflection, illustrate these measures to the tobacco leaf of narrower width
Conveyer belt is substantially to no effect.
Therefore, the tobacco leaf belt deflection for how preventing narrower width is that those skilled in the art need to solve at present
Technical problem.
Utility model content
In view of this, can effectively prevent conveying the purpose of this utility model is to provide a kind of anti-deviation conveying mechanism
Band sideslip.
To achieve the above object, the utility model provides the following technical solutions:
A kind of anti-deviation conveying mechanism, including compound conveyor chain, main transmission component and passive component, in which:
It include conveyer belt and bent plate chain in the compound conveyor chain, the conveyer belt is set in outside the bent plate chain
And it is connected with the bent plate on the bent plate chain；
It include driving gear and the first traction roller, the driving gear and the first traction roller in the main transmission component
It is coaxially set on active mandrel to be driven by the active mandrel and rotate, the driving gear with the bent plate chain for engaging
To drive the compound conveyor chain, the first traction roller, which is located on the inside of the conveyer belt, is used to support the conveyer belt
Drive end turning part keeps semi-cylindrical；
The passive component includes driven gear and the second traction roller, and the driven gear and the second traction roller are coaxial
It is set in by moving mandrel, the driven gear prevents the compound conveyor chain from running for engaging with the bent plate chain
Partially, the second traction roller is located at the Partner turning part holding semicircle that the conveyer belt is used to support on the inside of the conveyer belt
Cylindricality.
Preferably, in above-mentioned anti-deviation conveying mechanism, on the first traction roller, close to the side of the bent plate chain
End, is provided with the first tooth socket for engaging with the bent plate；
On the second traction roller, close to the side of the bent plate chain, it is provided with for engaging with the bent plate
Two tooth sockets.
Preferably, in above-mentioned anti-deviation conveying mechanism, the side of the first traction roller has been uniformly arranged in the circumferential direction more
A first tooth socket, it is adjacent to each other in the spacing and the bent plate chain between two first tooth sockets adjacent to each other
Spacing between two bent plates is equal；
The side of the second traction roller has been uniformly arranged in the circumferential direction multiple second tooth sockets, two institutes adjacent to each other
The spacing stated between the spacing and two bent plates adjacent to each other in the bent plate chain between the second tooth socket is equal.
Preferably, in above-mentioned anti-deviation conveying mechanism, the bent plate chain is that bilateral single hole bent plate chain or bilateral are more
Hole bent plate chain.
Preferably, in above-mentioned anti-deviation conveying mechanism, there are two the first traction roller settings, and is located at described
The two sides of driving gear；
And/or there are two the second traction roller settings, and it is located at the two sides of the driven gear.
Preferably, in above-mentioned anti-deviation conveying mechanism, on one of them described second traction roller, close to the passive tooth
The side of wheel is provided with hollow installation axle, in which:
The driven gear and another described second traction roller are able to be arranged and be located in the hollow installation axle
Outside；
It is described to be arranged and be located in the hollow installation axle by moving mandrel.
Preferably, it in above-mentioned anti-deviation conveying mechanism, the hollow installation axle and described is provided between moving mandrel
Bearing.
Preferably, in above-mentioned anti-deviation conveying mechanism, ladder-type structure, the quilt are provided with outside the hollow installation axle
Moving gear and the second traction roller are clamped respectively on the shaft shoulder for being located in the ladder-type structure.
It preferably, further include snap ring and pin in above-mentioned anti-deviation conveying mechanism, one end of the pin and the quilt
The shaft end of moving mandrel connects, and the other end carries out clamping limit to bearing inner race by the snap ring.
Preferably, in above-mentioned anti-deviation conveying mechanism, the interior installing hole of the driving gear and the first traction roller
Interior installing hole on, be separately provided for the keyway being keyed with first mandrel.
It can be seen from the above technical proposal that passing through driving gear in anti-deviation conveying mechanism provided by the utility model
It can play the role of axially position (axial direction described herein refers to Gear axis direction) to bent plate chain with driven gear, from
And the lateral sideslip of bent plate chain can be prevented；Again since conveyer belt and bent plate chain are connected, so as to prevent conveyer belt lateral
Sideslip.
Moreover, anti-deviation conveying mechanism provided by the utility model, can be applied to the tobacco leaf in threshing and redrying production line
In cutting machine, for conveying tobacco leaf.The production line requires the narrower width of conveyer belt (so that conveyer belt is easy to run in the prior art
Partially), but anti-deviation conveying mechanism provided by the utility model is used to convey tobacco leaf, belt deflection can be effectively prevent, from
And enable transportation system run smoothly, barrier rate is low, maintenance work amount is few.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of anti-deviation conveying mechanism provided by the embodiment of the utility model；
Fig. 2 is the explosive view of compound conveyor chain provided by the embodiment of the utility model；
Fig. 3 is the overall structure diagram of main transmission component provided by the embodiment of the utility model；
Fig. 4 is the explosive view of main transmission component provided by the embodiment of the utility model；
Fig. 5 is the overall structure diagram of passive component provided by the embodiment of the utility model；
Fig. 6 is the explosive view of passive component provided by the embodiment of the utility model.
Wherein:
The compound conveyor chain of 1-, 2- main transmission component, 3- passive component,
11- conveyer belt, 12- bent plate chain, 120- bent plate,
21- driving gear, 22- the first traction roller, 23- active mandrel,
31- driven gear, 32- the second traction roller, 33- is by moving mandrel, 34- pin, 35- snap ring,
The first tooth socket of 220-, the second tooth socket of 320-, the hollow installation axle of 321-,
A- drive end turning part, B- Partner turning part.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 6 is please referred to, Fig. 1 is that the overall structure of anti-deviation conveying mechanism provided by the embodiment of the utility model is shown
It is intended to, Fig. 2 is the explosive view of compound conveyor chain provided by the embodiment of the utility model, and Fig. 3 mentions for the utility model embodiment
The overall structure diagram of the main transmission component of confession, Fig. 4 are the explosive view of main transmission component provided by the embodiment of the utility model,
Fig. 5 is the overall structure diagram of passive component provided by the embodiment of the utility model, and Fig. 6 provides for the utility model embodiment
Passive component explosive view.
Anti-deviation conveying mechanism provided by the embodiment of the utility model mainly includes compound conveyor chain 1, main transmission component
2 and passive component 3.Wherein:
Include conveyer belt 11 and bent plate chain 12 in compound conveyor chain 1, conveyer belt 11 be set in bent plate chain 12 it is outer and
It is connected with the bent plate 120 on bent plate chain 12；
It include driving gear 21 and the first traction roller 22 in main transmission component 2, driving gear 21 and the first traction roller 22 are same
Axle sleeve is located on active mandrel 23 to be driven by active mandrel 23 and rotate, and driving gear 21 is for engaging with bent plate chain 12 to drive
Compound conveyor chain 1, the drive end turning part A that the inside that the first traction roller 22 is located at conveyer belt 11 is used to support conveyer belt 11 are protected
Hold semi-cylindrical；
Passive component 3 includes driven gear 31 and the second traction roller 32,32 coaxial sleeve of driven gear 31 and the second traction roller
It is located at by moving mandrel 33, for being engaged with bent plate chain 12 to prevent compound 1 sideslip of conveyor chain, second drags driven gear 31
The Partner turning part B that the inside that belt roller 32 is located at conveyer belt 11 is used to support conveyer belt 11 keeps semi-cylindrical.
It should be noted that:
For " bent plate chain 12 ", reference can be made to the side (one or both sides) of Fig. 1 and Fig. 2, in particular to chain is provided with
For connecting the bent plate 120 of the structure of right angle tyoe of conveyer belt 11, the bent plate 120 be typically provided with it is multiple, in each bent plate 120,
One right-angle surface is connect with chain ontology, be provided in another right-angle surface for connecting conveyer belt 11 mounting hole (one or
It is multiple).
For " drive end turning part A ", reference can be made to being centered around main biography in Fig. 1 and Fig. 2, in particular to compound conveyor chain 1
The semicylindrical portions turned in dynamic 2 outside of component, this part keeps semicolumn by the support of the first traction roller 22
Shape；
For " Partner turning part B ", reference can be made to being centered around in Fig. 1 and Fig. 2, in particular to compound conveyor chain 1 passively
The semicylindrical portions turned in 3 outside of component, this part keeps semi-cylindrical by the support of the second traction roller 32.
As can be seen that in anti-deviation conveying mechanism provided by the embodiment of the utility model, by driving gear 21 and passively
Gear 31 can play the role of axially position (axial direction described herein refers to Gear axis direction) to bent plate chain 12, thus
12 side of bent plate chain can be prevented to sideslip；Again since conveyer belt 11 and bent plate chain 12 are connected, so as to prevent conveyer belt
11 sides are to sideslip.
Moreover, anti-deviation conveying mechanism provided by the embodiment of the utility model, can be applied in threshing and redrying production line
Tobacco leaf cutting machine in, for conveying tobacco leaf.The production line requires the narrower width of conveyer belt 11 (to convey in the prior art
Band is easy sideslip), but anti-deviation conveying mechanism provided by the embodiment of the utility model is used to convey tobacco leaf, it can effectively prevent
Belt deflection, to enable transportation system run smoothly, barrier rate is low, maintenance work amount is few.
Fig. 3 to Fig. 6 is referred to, in order to advanced optimize above scheme, on the first traction roller 22, close to bent plate chain 12
Side (i.e. close to the side of driving gear 21), be provided with the first tooth socket 220 for engaging with bent plate 120；It is dragged second
In belt roller 32, close to the side (i.e. close to the side of driven gear 31) of bent plate chain 12, it is provided with for being engaged with bent plate 120
The second tooth socket 320.
The setting of first tooth socket 220 helps to ensure that the synchronous rotation between the first traction roller 22 and driving gear 21, and
And the contact area between the first traction roller 22 and conveyer belt 11 is increased, to be conducive to reinforce the first traction roller 22 to defeated
Send the supporting role of band 11；Similarly, the setting of the second tooth socket 320 helps to ensure that the second traction roller 32 and driven gear 31
Between synchronous rotation, also, the contact area between the second traction roller 32 and conveyer belt 11 is increased, to be conducive to reinforce
Supporting role of the second traction roller 32 to conveyer belt 11.
Specifically, the side of the first traction roller 22 has been uniformly arranged in the circumferential direction multiple first tooth sockets 220, and adjacent to each other two
Spacing between a first tooth socket 220 is equal with the spacing between two bent plates 120 adjacent to each other in bent plate chain 12；Second
The side of traction roller 32 has been uniformly arranged in the circumferential direction multiple second tooth sockets 320, between two the second tooth sockets 320 adjacent to each other
Spacing between spacing and two bent plates 120 adjacent to each other in bent plate chain 12 is equal.
In a particular embodiment, above-mentioned bent plate chain 12 can be bilateral single hole bent plate chain (the i.e. two sides difference of chain
Be provided with bent plate, a mounting hole be provided on each bent plate) or the porous bent plate chain of bilateral (i.e. the two sides of chain are respectively set
Have bent plate, multiple mounting holes be provided on each bent plate), it is also possible to (the i.e. side setting of chain of unilateral single hole bent plate chain
Have bent plate, a mounting hole be provided on each bent plate) or unilateral porous bent plate chain (i.e. the side of chain is provided with bent plate,
Multiple mounting holes are provided on each bent plate).
Preferably, as shown in Fig. 2, above-mentioned bent plate chain 12 is bilateral single hole bent plate chain.
Further, there are two the settings of the first traction roller 22, and the two sides of driving gear 21 are located at, two first are dragged
It is respectively arranged with the first tooth socket 220 in belt roller 22, it is curved with 12 two sides of bent plate chain that are transferred on main transmission component 2 when work
Plate 120 engages respectively；There are two the settings of second traction roller 32, and is located at the two sides of driven gear 31, two the second tractions
It is respectively arranged with the second tooth socket 320 on roller 32, bent plate when work with 12 two sides of bent plate chain being transferred on passive component 3
120 engage respectively.
At this point, since the two sides of driving gear 21 are provided with the first traction roller 22, the two sides of driven gear 31 are respectively provided with
There is the second traction roller 32, to facilitate compound 1 uniform force of conveyor chain, run smoothly.
Specifically, referring to Fig. 6, in the above-described embodiments, on one of them second traction roller 32, close to driven gear 31
Side, be provided with hollow installation axle 321.Wherein, driven gear 31 and another the second traction roller 32 are arranged and position respectively
Outside hollow installation axle 321, it is arranged and is located in hollow installation axle 321 by moving mandrel 33.
Specifically, the both ends of hollow installation axle 321 and a bearing is respectively arranged between moving mandrel 33.
Preferably, it is provided with ladder-type structure outside hollow installation axle 321, driven gear 31 and the second traction roller 32 block respectively
It connects on the shaft shoulder for being located in ladder-type structure.
It further, further include snap ring 35 and pin 34, one end of pin 34 is connect with by the shaft end of moving mandrel 33, another
End carries out clamping limit to bearing inner race by snap ring 35.
Specifically, it in the interior installing hole of driving gear 21 and the interior installing hole of the first traction roller 22, is separately provided for
The keyway being keyed with the first mandrel, to guarantee that driving gear 21, the first traction roller 22 and the first mandrel rotate synchronously.
Preferably, conveyer belt 11 preferably uses PVC (Polyvinyl chloride, polyvinyl chloride) conveyor belt, bent plate
It is connected between bent plate 120 on chain 12 and conveyer belt 11 by pin fastener.
It should be noted that, for the conveyer belt of some narrower widths, being also possible to enable in other specific embodiments
One traction roller 22 and the second traction roller 32 are respectively arranged with one, at this point, the first traction roller 22 and the second traction roller 32 are positioned at curved
Plate chain 12 it is ipsilateral, engaged respectively by the first tooth socket 220 and the second tooth socket 320 with bent plate 120.
The utility model is for the first traction roller 22, the second traction roller 32, the first tooth socket 220, the second tooth socket 320, bent plate
120 number and specific structure is not especially limited, and those skilled in the art can be specifically arranged according to actual needs.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of anti-deviation conveying mechanism, which is characterized in that including compound conveyor chain (1), main transmission component (2) and passive group
Part (3), in which:
It include conveyer belt (11) and bent plate chain (12) in the compound conveyor chain (1), the conveyer belt (11) is set in institute
It states bent plate chain (12) outside and is connected with the bent plate (120) on the bent plate chain (12)；
It include driving gear (21) and the first traction roller (22), the driving gear (21) and institute in the main transmission component (2)
The first traction roller (22) is stated coaxially to be set on active mandrel (23) by the active mandrel (23) driving rotation, the driving tooth
Wheel (21) with the bent plate chain (12) for engaging to drive the compound conveyor chain (1), the first traction roller (22)
The drive end turning part that the conveyer belt (11) is used to support on the inside of the conveyer belt (11) keeps semi-cylindrical；
The passive component (3) includes driven gear (31) and the second traction roller (32), the driven gear (31) and described
Two traction rollers (32) are coaxially set on passive mandrel (33), and the driven gear (31) with the bent plate chain (12) for nibbling
It closes to prevent compound conveyor chain (1) sideslip, the inside that the second traction roller (32) is located at the conveyer belt (11) is used
In the Partner turning part holding semi-cylindrical for supporting the conveyer belt (11).
2. anti-deviation conveying mechanism according to claim 1, which is characterized in that close on the first traction roller (22)
The side of the bent plate chain (12) is provided with the first tooth socket (220) for engaging with the bent plate (120)；
On the second traction roller (32), close to the bent plate chain (12) side, be provided with for the bent plate (120)
The second tooth socket (320) of engagement.
3. anti-deviation conveying mechanism according to claim 2, which is characterized in that the side edge of the first traction roller (22)
Multiple first tooth sockets (220) circumferentially are evenly arranged with, the spacing between two first tooth sockets (220) adjacent to each other
Spacing between two bent plates (120) adjacent to each other in the bent plate chain (12) is equal；
The side of the second traction roller (32) has been uniformly arranged in the circumferential direction multiple second tooth sockets (320), adjacent to each other
Two bent plates adjacent to each other in spacing and the bent plate chain (12) between two second tooth sockets (320)
(120) spacing between is equal.
4. anti-deviation conveying mechanism according to any one of claims 1 to 3, which is characterized in that the bent plate chain (12)
For bilateral single hole bent plate chain or the porous bent plate chain of bilateral.
5. anti-deviation conveying mechanism according to claim 4, which is characterized in that the first traction roller (22) is provided with two
It is a, and it is located at the two sides of the driving gear (21)；
And/or there are two the second traction roller (32) settings, and it is located at the two sides of the driven gear (31).
6. anti-deviation conveying mechanism according to claim 5, which is characterized in that one of them described second traction roller (32)
On, close to the side of the driven gear (31), it is provided with hollow installation axle (321), in which:
The driven gear (31) and another described second traction roller (32) are able to be arranged and be located in the hollow peace
Fill axis (321) outside；
It is described to be arranged and be located in the hollow installation axle (321) by moving mandrel (33).
7. anti-deviation conveying mechanism according to claim 6, which is characterized in that the hollow installation axle (321) and described
Bearing is provided between moving mandrel (33).
8. anti-deviation conveying mechanism according to claim 7, which is characterized in that the hollow installation axle (321) is arranged outside
There is ladder-type structure, the driven gear (31) and the second traction roller (32) are clamped respectively is located in the ladder-type structure
The shaft shoulder on.
9. anti-deviation conveying mechanism according to claim 8, which is characterized in that it further include snap ring (35) and pin (34),
One end of the pin (34) is connect with the shaft end by moving mandrel (33), and the other end is by the snap ring (35) in bearing
Circle carries out clamping limit.
10. anti-deviation conveying mechanism according to claim 1, which is characterized in that the interior installation of the driving gear (21)
In the interior installing hole of hole and the first traction roller (22), it is separately provided for the key being keyed with first mandrel
Slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920435588.1U CN209668024U (en) | 2019-04-01 | 2019-04-01 | A kind of anti-deviation conveying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920435588.1U CN209668024U (en) | 2019-04-01 | 2019-04-01 | A kind of anti-deviation conveying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209668024U true CN209668024U (en) | 2019-11-22 |
Family
ID=68573464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920435588.1U Expired - Fee Related CN209668024U (en) | 2019-04-01 | 2019-04-01 | A kind of anti-deviation conveying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209668024U (en) |
-
2019
- 2019-04-01 CN CN201920435588.1U patent/CN209668024U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |