CN206140424U - Area circle cuts pipe pincers of tub sword - Google Patents
Area circle cuts pipe pincers of tub sword Download PDFInfo
- Publication number
- CN206140424U CN206140424U CN201621222553.2U CN201621222553U CN206140424U CN 206140424 U CN206140424 U CN 206140424U CN 201621222553 U CN201621222553 U CN 201621222553U CN 206140424 U CN206140424 U CN 206140424U
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- pipe
- coordinate
- hole
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Abstract
The utility model discloses an area circle cuts pipe pincers of tub sword. The pipe pincers comprise movable clamp body, adjusting nut and fixed caliper, and the key feature is: the lower extreme of the handle of pipe pincers is equipped with square support, and the lower extreme right part of square support is equipped with two vestibule seat A and two back ear seat A of a body structure respectively, is equipped with radial roller bearing in the space between two vestibule seat A and two the back ear seat A respectively, central line lower extreme between two vestibule seat A and two the back ear seat A be equipped with be used for cutting the steel pipe, cut a tub sword with two radial roller bearing circle in opposite directions. The utility model discloses usually, do the use of pipe pincers, except the function that keeps current pipe pincers, when installation or maintenance pipeline need cut the water pipe, can also provide convenience for easily cutting the water pipe.
Description
Technical field
This utility model is related to technical field of tools, more particularly to a kind of pipe vice with circle pipe cutter.
Background technology
Existing pipe vice is widely used, but there is single function.
Utility model content
The purpose of this utility model is to improve the deficiency of prior art, there is provided a kind of pipe vice with circle pipe cutter, is removed
The function of the existing pipe vice of holding, moreover it is possible to for easily cutting water pipe provides convenient.
This utility model is realized by providing technical scheme below.
Manufacture and design a kind of pipe vice with circle pipe cutter, the pipe vice is by moving caliper, adjusting nut and fixation clamps
Body is constituted, described "" upper end of moving caliper of shape is provided with towards left movable binding clip, the lower surface of the movable binding clip is from a left side
To the right side be provided with uniformly, the raised line of integrative-structure, the lower end of the moving caliper is provided with the flat screw rod of integrative-structure, the flat screw rod
Left and right two ends be provided with and coordinate the external screw thread for coupling with the screwed hole of adjusting nut, the front and rear end of the flat screw rod sets respectively
There is the long shrinkage pool of vertical first.
Described adjusting nut is located at forward and backward first square through hole for communicating of the clamp block of fixed caliper right-hand member integrative-structure
It is interior.
The forward and backward widthwise central of described clamp block be provided with from top to bottom it is vertical with the first square through hole and communicate second
Square through hole.
With adjusting nut behind the upper end of second square through hole of externally threaded lower end insertion at the described left and right two ends of flat screw rod
Screwed hole coordinate connection, then the lower end from the second square through hole passes, and stretches out in the lower surface of clamp block.
The upper end of described fixed caliper is provided with the fixed pliers head opposite with movable binding clip, the upper surface of the fixed pliers head
The uniform, raised line of integrative-structure is provided with from left to right.
The lower end of described fixed caliper is provided with the handle of integrative-structure, and the front and rear end of the handle is respectively equipped with perpendicular
The second straight long shrinkage pool.
It is of the present utility model to be mainly characterized by：The lower end of the handle of pipe vice is provided with square bearing, the lower end of square bearing
Right part is respectively equipped with ear mount A after two front ear mounts A of integrative-structure and two, after two front ear mounts A and two between ear mount A
Radial roller bearing is respectively equipped with space.
Centrage lower end after two described front ear mounts A and two between ear mount A be provided with for pipe cutting, and two
The opposite round pipe cutter of individual radial roller bearing.
The internal diameter of described radial roller bearing and bearing pin A interference fits, the of the shaft shoulder A of bearing pin A rear ends and rear ear mount A
One round tube hole is dynamic to be coordinated, and the front end of bearing pin A is dynamic with the second round tube hole of front ear mount A to be coordinated, the screw rod A and nut A of bearing pin A front ends
It is locked together.
It is provided between the rear end face of the front end face of described radial roller bearing and front ear mount A for adjusting the pad in gap
The endoporus of A, pad A is dynamic with bearing pin A to be coordinated.
The interior circular hole of the columnar cutter hub of described round pipe cutter is dynamic with bearing pin B to be coordinated, the shaft shoulder B of bearing pin B rear ends with
3rd round tube hole of ear mount B is dynamic afterwards coordinates, and the front end of bearing pin B is dynamic with the 4th round tube hole of front ear mount B to be coordinated, bearing pin B front ends
Screw rod B is locked together with nut B.
It is provided between the rear end face of the front end face and front ear mount B of the cutter hub of described round pipe cutter for adjusting the pad in gap
The endoporus of piece B, pad B is dynamic with bearing pin B to be coordinated.
The lower end of described front ear mount B and rear ear mount B is connected with the front and back ends integrative-structure of tool rest respectively, front ear mount B and
Tool rest between ear mount B is provided with circular arc shrinkage pool afterwards.
The left end of described tool rest is connected with the lower end right part integrative-structure of square knife bar, tool rest and square knife bar for "”
Shape structure.
The centrage of described square knife bar is provided with elongated round shrinkage pool, is provided with adjusting screw rod in elongated round shrinkage pool, elongated
Major diameter of thread of the aperture of circle shrinkage pool more than adjusting screw rod.
The outer surface of described square knife bar is moved with third party's shape through hole of square bearing left end and is coordinated, and square knife bar is being adjusted
Can be in upper and lower slip in third party's shape through hole in the presence of section screw rod.
The upper surface of described square knife bar is provided with square nut, and screwed hole and the adjusting screw rod of square nut coordinate connection
Connect.
Together with described square nut is tightened by bolts with the upper end of square knife bar.
The upper end of described adjusting screw rod is provided with optical axis, and the upper end of optical axis is provided with shaft shoulder C, and the upper end of shaft shoulder C is provided with spindle nose,
The upper end of spindle nose is provided with tetragonal prism, and screw rod C is provided with above tetragonal prism.
Described optical axis is dynamic with the 5th round tube hole of handwheel frame to be coordinated, and the right-hand member of handwheel frame is with the lower end left part of handle integrally
Structure connects.
Described shaft shoulder C is located in the internal cavity of end cap, and the 6th round tube hole of end cap upper end is dynamic with spindle nose to be coordinated, under end cap
Together with the flange of portion outer end is tightened by bolts with handwheel frame.
Described tetragonal prism is dynamic with four square holes of handwheel to be coordinated, and is coupled with screw rod C by nut C, handwheel is locked at axle
The upper surface of head, handwheel and adjusting screw rod are locked together.
The beneficial effects of the utility model are：Usually make pipe vice use, when installation or maintenance pipeline need to cut water pipe,
As long as whole water pipe is clamped on vice or Special clamping instrument, by water pipe snap in round pipe cutter blade and two it is opposite
Between radial roller bearing, the blade of circle pipe cutter is directed at into the cut mark line of water pipe, handwheel is rotated clockwise, is made tune
Section screw rod rotationally clockwise, makes square knife bar and circle pipe cutter up move, makes the blade for justifying pipe cutter clamp-on the pipe of water pipe
In wall, the handle upper end for grasping pipe vice turns around around water pipe, and the tube wall cutting one of water pipe is enclosed, then clockwise again
Direction rotation hand wheel, makes adjusting screw rod rotationally clockwise, square knife bar and circle pipe cutter is up moved, makes to justify pipe cutter
Blade is again squeezed in the tube wall of water pipe, is repeated said method operation and just can be cut off water pipe.
This utility model cuts water pipe due to being used cooperatively with circle pipe cutter in opposite directions using two radial roller bearings
When, water pipe is snapped between two radial roller bearings and circle pipe cutter, and pipe vice will not fall down from water pipe, and pipe vice can
Rotating around water pipe carries out cutting water pipe, makes cutting water pipe lighter.
During cutting water pipe, the outer ring of two radial roller bearings is rotated around the external diameter surface of water pipe, can reduce cutting water
Frictional force during pipe, it is more laborsaving, light when making cutting water pipe.
Function of this utility model due to adopting said structure, except keeping existing pipe vice, moreover it is possible to for easily cutting water
Pipe provides convenient.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of concrete structure of the present utility model.
Fig. 2 is the A-A cutaway view Amplified images of concrete structure of the present utility model.
Fig. 3 is the B-B cutaway view Amplified images of concrete structure of the present utility model.
Fig. 4 is the C-C sectional views of concrete structure of the present utility model.
Fig. 5 is the D-D sectional views of concrete structure of the present utility model.
In figure：1- moving calipers, the second square through holes of 2-, 3- clamp blocks, the first square through holes of 4-, 5- adjusting nuts, 6- are flat
Screw rod, 7- external screw threads, the first long shrinkage pools of 8-, 9- activity binding clips, 10- fixed pliers heads, 11- fixed calipers, the second long shrinkage pools of 12-,
13- handles, the 6th round tube holes of 14-, 15- handwheel framves, 16- square nuts, 17- screwed holes, 18- adjusting screw rods, square of 19-
Seat, the square knife bars of 20-, ear mount A before 21-, 22- nut A, 23- radial roller bearings, 24- screw rod A, ear mount B before 25-, 26- circles
Arc recess, 27- tool rests, 28- nut B, 29- screw rod B, 30- circle pipe cutter, the elongated round shrinkage pools of 31-, 32- third party's shape through hole,
33- optical axises, the 5th round tube holes of 34-, 35- internal cavities, 36- shaft shoulder C, 37- end caps, 38- tetragonal prisms, 39- handwheels, tetra- square holes of 40-,
41- nut C, 42- screw rod C, 43- spindle noses, 44- cutter hubs, circular hole in 45-, 46- bearing pin B, ear mount B after 47-, 48- shaft shoulder B, 49-
3rd round tube hole, 50- pad B, the 4th round tube holes of 51-, 52- spaces, ear mount A after 53-, 54- shaft shoulder A, the first round tube holes of 55-,
The second round tube hole of 56- bearing pin A, 57-, 58- pad A.
Specific embodiment
Below in conjunction with the accompanying drawings describe in detail according to the utility model proposes concrete device details and working condition.
As shown in drawings, manufacture and design a kind of pipe vice with circle pipe cutter, pipe vice is by moving caliper 1, adjusting nut 5
Constitute with fixed caliper 11, "" upper end of moving caliper 1 of shape is provided with towards left movable binding clip 9, the lower surface of movable binding clip 9
The uniform, raised line of integrative-structure is provided with from left to right, the lower end of moving caliper 1 is provided with the flat screw rod 6 of integrative-structure, flat screw rod 6
Left and right two ends be provided with and coordinate the external screw thread 7 for coupling with the screwed hole of adjusting nut 5, the front and rear end of flat screw rod 6 sets respectively
There is the long shrinkage pool of vertical first 8.
Adjusting nut 5 is located at forward and backward first square through hole 4 for communicating of the clamp block 3 of 11 right-hand member integrative-structure of fixed caliper
It is interior.
The forward and backward widthwise central of clamp block 3 be provided with from top to bottom it is vertical with the first square through hole 4 and communicate it is second square
Through hole 2.
With adjusting nut 5 behind the upper end of second square through hole 2 of lower end insertion of the external screw thread 7 at 6 left and right two ends of flat screw rod
Screwed hole coordinates connection, and then the lower end from the second square through hole 2 passes, and stretches out in the lower surface of clamp block 3.
The upper end of fixed caliper 11 is provided with the fixed pliers head 10 opposite with movable binding clip 9, the upper surface of fixed pliers head 10 from
It is left-to-right to be provided with the uniform, raised line of integrative-structure.
The lower end of fixed caliper 11 is provided with the handle 13 of integrative-structure, and it is vertical that the front and rear end of handle 13 is respectively equipped with
Second long shrinkage pool 12.
It is of the present utility model to be mainly characterized by：The lower end of the handle 13 of pipe vice is provided with square bearing 19, square bearing 19
Lower end right part be respectively equipped with integrative-structure two front ear mounts A21 and two after ear mount A53, two front ear mounts A21 and two
Radial roller bearing 23 is respectively equipped with space 52 between ear mount A53 afterwards.
Centrage lower end after two front ear mounts A21 and two between ear mount A53 be provided with for pipe cutting, and two
The opposite round pipe cutter 30 of radial roller bearing.
The internal diameter of radial roller bearing 23 and bearing pin A56 interference fits, shaft shoulder A54 and rear ear mount A53 of bearing pin A56 rear ends
The first round tube hole 55 it is dynamic coordinate, the second round tube hole 57 of the front end of bearing pin A56 and front ear mount A21 is dynamic to be coordinated, bearing pin A56 front ends
Screw rod A24 and nut A22 be locked together.
It is provided between the rear end face of the front end face of radial roller bearing 23 and front ear mount A21 for adjusting the pad in gap
The endoporus of A58, pad A58 is dynamic with bearing pin A56 to be coordinated.
The interior circular hole 45 of the columnar cutter hub 44 of circle pipe cutter 30 is dynamic with bearing pin B46 to be coordinated, the shaft shoulder of bearing pin B46 rear ends
3rd round tube hole 49 of B48 and rear ear mount B47 is dynamic to be coordinated, and the 4th round tube hole 51 of the front end of bearing pin B46 and front ear mount B25 is dynamic to match somebody with somebody
Close, the screw rod B29 and nut B28 of bearing pin B46 front ends are locked together.
It is provided with for adjusting the pad in gap between the front end face of cutter hub 44 and the rear end face of front ear mount B25 of circle pipe cutter 30
The endoporus of piece B50, pad B50 is dynamic with bearing pin B46 to be coordinated.
The lower end of front ear mount B25 and rear ear mount B47 is connected with the front and back ends integrative-structure of tool rest 27 respectively, front ear mount B25
And the tool rest 27 between rear ear mount B47 is provided with circular arc shrinkage pool 26.
The left end of tool rest 27 is connected with the lower end right part integrative-structure of square knife bar 20, tool rest 27 and square knife bar 20 for "
" shape structure.
The centrage of square knife bar 20 is provided with elongated round shrinkage pool 31, is provided with adjusting screw rod 18, carefully in elongated round shrinkage pool 31
Major diameter of thread of the aperture of oval shrinkage pool 31 more than adjusting screw rod 18.
The outer surface of square knife bar 20 is moved with third party's shape through hole 32 of 19 left end of square bearing and is coordinated, and square knife bar 20 exists
Can be in upper and lower slip in third party's shape through hole 32 in the presence of adjusting screw rod 18.
The upper surface of square knife bar 20 is provided with square nut 16, and screwed hole 17 and the adjusting screw rod 18 of square nut 16 coordinate
Connection.
Together with square nut 16 is tightened by bolts with the upper end of square knife bar 20.
The upper end of adjusting screw rod 18 is provided with optical axis 33, and the upper end of optical axis 33 is provided with shaft shoulder C36, and the upper end of shaft shoulder C36 is provided with
Spindle nose 43, the upper end of spindle nose 43 are provided with tetragonal prism 38, and the top of tetragonal prism 38 is provided with screw rod C42.
Optical axis 33 moves cooperation, the right-hand member of handwheel frame 15 and the lower end left part of handle 13 with the 5th round tube hole 34 of handwheel frame 15
Integrative-structure connects.
Shaft shoulder C36 is located in the internal cavity 35 of end cap 37, and the 6th round tube hole 14 of 37 upper end of end cap is dynamic with spindle nose 43 to be coordinated,
Together with the flange of 37 lower outer of end cap is tightened by bolts with handwheel frame 15.
Tetragonal prism 38 and four square holes, the 40 dynamic cooperation of handwheel 39, are coupled with screw rod C42 by nut C41, handwheel 39 are locked
Tightly in the upper surface of spindle nose 43, handwheel 39 and adjusting screw rod 18 are locked together.
Working condition of the present utility model is：Usually make pipe vice use, when installation or maintenance pipeline need to cut water pipe,
As long as whole water pipe is clamped on vice or Special clamping instrument, counter-clockwise direction rotation hand wheel makes adjusting screw rod counter-clockwise
Direction rotates, and makes square knife bar and circle pipe cutter toward moving down, when the blade and two opposite radial roller bearings of circle pipe cutter
The distance between external diameter more than water pipe to be cut diameter when, by water pipe snap in round pipe cutter blade and two it is opposite
Between radial roller bearing, the blade of circle pipe cutter is directed at into the cut mark line of water pipe, handwheel is rotated clockwise, is made tune
Section screw rod rotationally clockwise, makes square knife bar and circle pipe cutter up move, makes the blade for justifying pipe cutter clamp-on the pipe of water pipe
In wall, the handle upper end for grasping pipe vice turns around around water pipe, and the tube wall cutting one of water pipe is enclosed, then clockwise again
Direction rotation hand wheel, makes adjusting screw rod rotationally clockwise, square knife bar and circle pipe cutter is up moved, makes to justify pipe cutter
Blade is again squeezed in the tube wall of water pipe, is repeated said method operation and just can be cut off water pipe.
Two radial roller bearings with circle pipe cutter use cooperatively in opposite directions, cut water pipe when, water pipe snap in two to
Between heart roller bearing and circle pipe cutter, pipe vice will not fall down from water pipe, and pipe vice can be rotated around water pipe and be carried out
Cutting water pipe, makes cutting water pipe lighter.
During cutting water pipe, the outer ring of two radial roller bearings is rotated around the external diameter surface of water pipe, can reduce cutting water
Frictional force during pipe, it is more laborsaving, light when making cutting water pipe.
Claims (5)
1. it is a kind of with circle pipe cutter pipe vice, the pipe vice is by moving caliper（1）, adjusting nut（5）And fixed caliper
（11）Composition, described "" shape moving caliper（1）Upper end be provided with towards left movable binding clip（9）, the movable binding clip（9）'s
Lower surface be from left to right provided with uniformly, the raised line of integrative-structure, the moving caliper（1）Lower end be provided with the flat spiral shell of integrative-structure
Bar（6）, the flat screw rod（6）Left and right two ends be provided with and adjusting nut（5）Screwed hole coordinate connection external screw thread（7）, institute
State flat screw rod（6）Front and rear end be respectively equipped with the long shrinkage pool of vertical first（8）；
Described adjusting nut（5）It is located at fixed caliper（11）The clamp block of right-hand member integrative-structure（3）The forward and backward first party for communicating
Shape through hole（4）It is interior；
Described clamp block（3）Forward and backward widthwise central be provided with from top to bottom and the first square through hole（4）It is vertical and communicate the
Two square through holes（2）；
Described flat screw rod（6）The external screw thread at left and right two ends（7）Lower end insert the second square through hole（2）Upper end after with tune
Section nut（5）Screwed hole coordinate connection, then from the second square through hole（2）Lower end pass, stretch out in clamp block（3）Lower end
Face；
Described fixed caliper（11）Upper end be provided with and movable binding clip（9）Opposite fixed pliers head（10）, the fixed pliers head
（10）Upper surface be from left to right provided with uniformly, the raised line of integrative-structure；
Described fixed caliper（11）Lower end be provided with the handle of integrative-structure（13）, the handle（13）Front and rear end point
The long shrinkage pool of vertical second is not provided with（12）；
It is characterized in that：The handle of pipe vice（13）Lower end be provided with square bearing（19）, square bearing（19）Lower end right part
It is respectively equipped with two front ear mounts A of integrative-structure（21）With two after ear mount A（53）, two front ear mounts A（21）With two after ear
Seat A（53）Between space（52）Radial roller bearing is respectively equipped with inside（23）；
Two described front ear mounts A（21）With two after ear mount A（53）Between centrage lower end be provided with for pipe cutting,
The round pipe cutter opposite with two radial roller bearings（30）.
2. it is according to claim 1 it is a kind of with circle pipe cutter pipe vice, it is characterised in that：Radial roller bearing（23）'s
Internal diameter and bearing pin A（56）Interference fits, bearing pin A（56）The shaft shoulder A of rear end（54）With rear ear mount A（53）The first round tube hole（55）
It is dynamic to coordinate, bearing pin A（56）Front end and front ear mount A（21）The second round tube hole（57）It is dynamic to coordinate, bearing pin A（56）The screw rod of front end
A（24）With nut A（22）It is locked together；
Described radial roller bearing（23）Front end face and front ear mount A（21）Rear end face between be provided with for adjusting gap
Pad A（58）, pad A（58）Endoporus and bearing pin A（56）It is dynamic to coordinate.
3. it is according to claim 1 it is a kind of with circle pipe cutter pipe vice, it is characterised in that：Circle pipe cutter（30）Cylinder
The cutter hub of shape（44）Interior circular hole（45）With bearing pin B（46）It is dynamic to coordinate, bearing pin B（46）The shaft shoulder B of rear end（48）With rear ear mount B
（47）The 3rd round tube hole（49）It is dynamic to coordinate, bearing pin B（46）Front end and front ear mount B（25）The 4th round tube hole（51）It is dynamic to match somebody with somebody
Close, bearing pin B（46）The screw rod B of front end（29）With nut B（28）It is locked together；
Described round pipe cutter（30）Cutter hub（44）Front end face and front ear mount B（25）Rear end face between be provided with for adjusting
The pad B in gap（50）, pad B（50）Endoporus and bearing pin B（46）It is dynamic to coordinate；
Described front ear mount B（25）With rear ear mount B（47）Lower end respectively with tool rest（27）Front and back ends integrative-structure connection,
Front ear mount B（25）With rear ear mount B（47）Between tool rest（27）It is provided with circular arc shrinkage pool（26）；
Described tool rest（27）Left end and square knife bar（20）The connection of lower end right part integrative-structure, tool rest（27）With square knife
Bar（20）For "" shape structure；
Described square knife bar（20）Centrage be provided with elongated round shrinkage pool（31）, elongated round shrinkage pool（31）Regulation spiral shell is provided with inside
Bar（18）, elongated round shrinkage pool（31）Aperture be more than adjusting screw rod（18）Major diameter of thread.
4. it is according to claim 1 it is a kind of with circle pipe cutter pipe vice, it is characterised in that：Square knife bar（20）Appearance
Face and square bearing（19）Third party's shape through hole of left end（32）It is dynamic to coordinate, square knife bar（20）In adjusting screw rod（18）Effect
Under can be in third party's shape through hole（32）Interior upper and lower slip；
Described square knife bar（20）Upper surface be provided with square nut（16）, square nut（16）Screwed hole（17）With regulation
Screw rod（18）Coordinate connection；
Described square nut（16）With square knife bar（20）Upper end be tightened by bolts together.
5. it is according to claim 1 it is a kind of with circle pipe cutter pipe vice, it is characterised in that：Adjusting screw rod（18）Upper end
It is provided with optical axis（33）, optical axis（33）Upper end be provided with shaft shoulder C（36）, shaft shoulder C（36）Upper end be provided with spindle nose（43）, spindle nose（43）
Upper end be provided with tetragonal prism（38）, tetragonal prism（38）Top be provided with screw rod C（42）；
Described optical axis（33）With handwheel frame（15）The 5th round tube hole（34）It is dynamic to coordinate, handwheel frame（15）Right-hand member and handle
（13）The connection of lower end left part integrative-structure；
Described shaft shoulder C（36）It is located at end cap（37）Internal cavity（35）It is interior, end cap（37）6th round tube hole of upper end（14）With
Spindle nose（43）It is dynamic to coordinate, end cap（37）The flange of lower outer and handwheel frame（15）It is tightened by bolts together；
Described tetragonal prism（38）With handwheel（39）Four square holes（40）It is dynamic to coordinate, by nut C（41）With screw rod C（42）Connection
Connect, by handwheel（39）It is locked at spindle nose（43）Upper surface, by handwheel（39）And adjusting screw rod（18）It is locked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222553.2U CN206140424U (en) | 2016-11-14 | 2016-11-14 | Area circle cuts pipe pincers of tub sword |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222553.2U CN206140424U (en) | 2016-11-14 | 2016-11-14 | Area circle cuts pipe pincers of tub sword |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206140424U true CN206140424U (en) | 2017-05-03 |
Family
ID=58625911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621222553.2U Expired - Fee Related CN206140424U (en) | 2016-11-14 | 2016-11-14 | Area circle cuts pipe pincers of tub sword |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206140424U (en) |
-
2016
- 2016-11-14 CN CN201621222553.2U patent/CN206140424U/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 |
Granted publication date: 20170503 Termination date: 20171114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |