CN106167203A - A kind of ball-type slip axle housing and the slip shaft assembly of application thereof - Google Patents
A kind of ball-type slip axle housing and the slip shaft assembly of application thereof Download PDFInfo
- Publication number
- CN106167203A CN106167203A CN201610564820.2A CN201610564820A CN106167203A CN 106167203 A CN106167203 A CN 106167203A CN 201610564820 A CN201610564820 A CN 201610564820A CN 106167203 A CN106167203 A CN 106167203A
- Authority
- CN
- China
- Prior art keywords
- ball
- internal ring
- flatulence
- axle housing
- spacing
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/24—Constructional details adjustable in configuration, e.g. expansible
- B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
- B65H75/246—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages expansion caused by relative rotation around the supporting spindle or core axis
- B65H75/247—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages expansion caused by relative rotation around the supporting spindle or core axis using rollers or rods moving relative to a wedge or cam surface
Landscapes
- Retarders (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses the slip shaft assembly of a kind of ball-type slip axle housing and application thereof, including the internal ring socket-connected and outer shroud, some fixing holes it are evenly arranged with on described outer shroud, formed for ball along the radially movable chamber of internal ring between fixing hole and internal ring, it is provided with some for by eccentric grove extrapolated for ball on the outer surface of described internal ring, the side of described internal ring is stop side, this stop side radially projection has baffle ring, the opposite side of described internal ring is active side, described outer shroud is from this active side set to internal ring, described active side offers the dismounting groove connecting to take out ball with eccentric grove, it is provided with lock slots in described active side, by a snap ring, this lock slots stops that outer shroud departs from internal ring.It is desirable to provide the ball-type slip axle housing of a kind of convenient disassembly and the slip shaft assembly of application thereof.
Description
Technical field
The present invention relates to axle sleeve field, more specifically it relates to a kind of ball-type slip axle housing and a kind of slip shaft group
Part.
Background technology
Slip shaft be thin film, paper cut the field of collecting, occur for the tension force that controls on Scroll on each aspect
A kind of axle, slip axle housing is then that to be enclosed within slip shaft outer for the fixing vitals collecting thing.
A kind of ball-type slippage air-expanding shaft is disclosed in the Chinese invention patent of Publication No. CN203806774U, including
Have air-expanding shaft, the front-end and back-end of described air-expanding shaft to be respectively equipped with front shaft sleeve and rear axle housing, and be positioned at front shaft sleeve and rear axle housing it
Between be provided with row's ball-type differential slip ring, be provided with pad between adjacent two ball-type differential slip rings；Described air-expanding shaft is positioned at described rolling
Surface at bead differential slip ring is provided with many groups flatulence friction means of circumferential array arrangement, and front end is provided with swivel joint, described
Swivel joint is connected with flatulence friction component by the air flue being provided with inside air-expanding shaft.
Current slip axle housing is assembled by the means of punching press, seamless welding, and once its internal part has damaged difficulty
With detachable maintaining, it would be highly desirable to improve.
Summary of the invention
The deficiency existed for prior art, first goal of the invention of the present invention is to provide the ball of a kind of convenient disassembly
Formula slip axle housing.
For achieving the above object, the technical scheme is that a kind of ball-type slip axle housing, including socket-connecting
Internal ring and outer shroud, described outer shroud is evenly arranged with some fixing holes, between fixing hole and internal ring formed for ball along interior
The chamber that ring is radially movable, the outer surface of described internal ring is provided with some for by eccentric grove extrapolated for ball, wherein:
The side of described internal ring is stop side, and outside the lateral internal ring of this stop, projection has baffle ring, the opposite side of described internal ring to be active side,
Described outer shroud is from this active side set to internal ring, and described active side offers the dismounting connecting to take out ball with eccentric grove
Groove, described active side is provided with lock slots, by a snap ring, this lock slots stops that outer shroud departs from internal ring vertically.
By using technique scheme, when this ball-type slip axle housing dismantled by needs, it is only necessary to snap ring is unloaded, rotate
Outer shroud, until dismounting groove is just then being taken out ball and can realize the dismounting of slip axle housing by ball, the most also can realize assembling.From
And reach quickly, simply to dismount the purpose of slip axle housing.
The present invention is further arranged to: described eccentric grove includes initiating terminal and clearing end, and described initiating terminal is to internal ring center
Distance less than clearing end to the distance at internal ring center, and described initiating terminal and clearing end rounding off.
By using technique scheme, utilizing eccentric grove to realize sliding axially of ball, its overall resistance is little, and structure is closed
Reason.
The present invention is further arranged to: described clearing end is provided with when ball is in clearing end with ball towards in fact holding
Side conflict non-return assembly, this non-return assembly includes running through internal ring and the locating part being axially flexibly connected with internal ring, holding
Locating part is towards the elastic component of internal ring central movable.
By using technique scheme, during ball is by the rotarily driving and be pushed out to range of eccentric grove,
Ball strides across non-return assembly, and after ball reaches range, ball is blocked spacing by non-return assembly, it is to avoid ball is at slippage
Axle sleeve causes retraction because of the rotatory inertia of outer shroud when skidding, slip axle housing is effectively ensured in the running and by between rolling material
Effectively hold tightly, improve its rolling precision.
The present invention is further arranged to: described elastic component is the gum elastic bottom eccentric grove that is sticked, described locating part
Outer end and gum elastic fixing be connected.
By using technique scheme, elastic component is arranged in eccentric grove, is prevented effectively from elastic component to driving shaft
Rotation causes interference, it is ensured that the stability of its structure.
The present invention is further arranged to: described elastic component is the reed at interior ring inner surface that is sticked, described elastic component and spring
Sheet is fixing to be connected.
By use technique scheme, elastic component is arranged on interior ring inner surface so that elastic component remove and install nothing
Slip shaft itself need to be opened, facilitate it to safeguard.
The present invention is further arranged to: described locating part one end end face inwardly is set to sphere.
By using technique scheme, utilize sphere significantly reduce when driving shaft rotates locating part and driving shaft it
Between friction.
Second goal of the invention of the present invention is the slip shaft assembly providing a kind of rolling precision high.
For achieving the above object, the technical scheme is that a kind of ball-type slip shaft assembly, including actively
Axle and above-mentioned ball-type slip axle housing, wherein: be provided with air flue on described driving shaft, be set side by side with dynamic in described air flue
Strength is swollen part and spacing flatulence part, described power flatulence part and spacing flatulence part are connected to individual gas sources, described power gas
It is fixedly connected with the hard contact part for fitting, the number of described spacing flatulence part with internal ring outside swollen part and spacing flatulence part
Amount, position the most right with non-return assembly.
By using technique scheme, utilize power flatulence part and the contact realization master being connected with power flatulence part
Moving axis and the transmission of slip axle housing, utilize spacing flatulence part to control the state of non-return assembly simultaneously, reach accurate to non-return assembly
The effect controlled.
The present invention is further arranged to: described non-return assembly and spacing flatulence part are disposed as one group.
By using technique scheme, the non-return assembly that single group is arranged simplifies the whole of slip axle housing with spacing flatulence part
Body structure, facilitates it to produce, uses.
The present invention is further arranged to: described non-return assembly, spacing flatulence part quantity identical with eccentric grove quantity.
By using technique scheme, many group non-return assemblies, the setting of spacing flatulence part strengthen non-return assembly for
The control power of ball, is prevented effectively from ball retraction.
The present invention is further arranged to: described power flatulence part and spacing flatulence part are air bag, and described power flatulence
It is respectively connected with negative pressure pump on part and spacing flatulence part.
By using technique scheme, when slip shaft has worked, by the gas in negative pressure pump extraction air bag, protect
Card contact retraction, makes locating part move towards internal ring center under the effect of elastic component, it is ensured that ball is energy after slip shaft stops
Effectively bounce back thus the material of removal rolling.
Compared with prior art, the invention have the advantages that
1, use plug-in axle sleeve structure, assemble, dismantle very convenient；
2, there is ball non-return assembly, be prevented effectively from and affect rolling precision when slip axle housing skids because of ball retraction；
3, double control airbag structure, independent controls slip axle housing state and non-return component states, and control accuracy is high, performance is steady
Fixed.
Accompanying drawing explanation
Fig. 1 is the structural representation of ball-type slip shaft assembly in embodiment 1；
Fig. 2 is the stereoscopic mechanism schematic diagram of ball-type slip axle housing in embodiment 1；
Fig. 3 is the front schematic view of ball-type slip axle housing in embodiment 1；
Fig. 4 is the exploded perspective view of ball-type slip axle housing in embodiment 1；
Fig. 5 is the initiating structure schematic diagram of non-return assembly in embodiment 2；
Fig. 6 is the theory structure schematic diagram of non-return assembly in embodiment 2；
Fig. 7 is the initiating structure schematic diagram of non-return assembly in embodiment 3.
Reference: 1, driving shaft；11, air flue；12, power flatulence part；13, spacing flatulence part；14, contact；2, rolling
Bead slip axle housing；21, internal ring；211, eccentric grove；212, initiating terminal；213, clearing end；22, outer shroud；221, fixing hole；23、
Stop side；24, active side；25, baffle ring；26, dismounting groove；27, lock slots；28, snap ring；3, ball；4, non-return assembly；41, bullet
Property part；42, locating part.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
Embodiment 1: a kind of ball-type slip shaft assembly, including driving shaft 1, slip axle housing, driving shaft 1 is uniformly arranged 4
Air flue 11, at air flue 11 built with the power flatulence part 12 being made up of air bag.Connect on this power flatulence part 12 and have source of the gas.Some
Slip axle housing is enclosed within outside driving shaft 1 side by side, by inflation in power flatulence part 12, this its power flatulence part 12 is expanded, from
And increase the frictional force between power flatulence part 12 and slip axle housing, drive slip shaft by driving shaft 1 also through this frictional force
Set rotates.
This slip axle housing is ball 3 formula slip axle housing 2, the internal ring 21 being mutually socketed, outer shroud 22 combine.At internal ring
The left and right sides of 21 the most all arranges 6 eccentric groves 211, and this eccentric grove 211 includes away from the initiating terminal that internal ring 21 center is nearer
212 and away from internal ring 21 center clearing end 213 farther out.Initiating terminal 212 and clearing end 213 rounding off.The both sides of outer shroud 22
Corresponding eccentric grove 211 is provided with between fixing hole 221, and fixing hole 221 and eccentric grove 211 formation for ball 3 along internal ring 21 footpath
To movable chamber.By rotating outer shroud 22 so that ball 3 is movable along initiating terminal 212 to the clearing end 213 of eccentric grove 211, from
And utilize this eccentric grove 211 to realize ejecting and bouncing back of ball 3.
The left side of internal ring 21 is stop side 23, and internal ring 21 has radially towards the baffle ring of outer lug in this stop side 23
25.The right side of internal ring 21 is active side 24, and this side does not the most have any projection higher than internal ring 21 outer surface.Outer shroud 22 is by living
Internal ring 21 is inserted in until conflicting with stop side 23 in dynamic side 24.In active side 24, there is the initiating terminal 212 with eccentric grove 211 and connect
Dismounting groove 26, and the fixing hole 221 on outer shroud 22 extends to its outer so that when fixing hole 221 with dismounting groove 26 just
Pair time, ball 3 can easily from eccentric grove 211 along dismounting groove 26 deviate from.
It is additionally provided with lock slots 27, snapping one snap ring 28 on this lock slots 27, and this snap ring 28 and outer shroud in active side 24
22 conflict, thus limit the axial movable of outer shroud 22.Under the support of said structure, this ball 3 formula slip axle housing 2 need to be dismantled
Time, it is only necessary to snap ring 28 is taken off, rotates outer shroud 22 to fixing hole 221 the most right with dismounting groove 26, ball 3 on the right side of taking-up.To the right
Slip outer shroud 22 also takes out outer shroud 22, simple and convenient.If need to again assemble simultaneously, it is only necessary to assemble i.e. by contrary step
Can.Achieve slip axle housing repeats dismounting.
Embodiment 2, the difference with embodiment 1 is: be provided with non-return assembly 4, driving shaft 1 air flue 11 in eccentric grove 211
In flatulence part be divided into control internal ring 21 rotate power flatulence part 12 and control non-return assembly 4 spacing flatulence part 13.
Non-return assembly 4 includes elastic component 41 and shaft-like locating part 42.Nearby offer at eccentric grove 211 clearing end 213
Fixing hole 221, locating part 42 is had to be located in this fixing hole 221.Concrete, when ball 3 is in clearing end 213 extreme position
Time, locating part 42 is conflicted at ball 3 just towards the side of initiating terminal 212.Elastic component 41 is a sheet of gum elastic, this bullet
Property part 41 be sticked bottom eccentric grove 211 and two ends and eccentric grove 211 fixed bonding of elastic component 41, elastic component 41 is covered with whole
Individual eccentric grove 211.The outer end of locating part 42 is connected by being adhesively fixed with elastic component 41.
Power flatulence part 12 and the spacing flatulence part 13 be made up of air bag are placed in air flue 11 side by side, either initiate simultaneously
End 212 and clearing end 213 or power flatulence part 12 are all arranged along the clockwise of slip axle housing with spacing flatulence part 13.And it is spacing
The position of flatulence part 13 is the most right with locating part 42.Be respectively fixedly connected with on the surface of power flatulence part 12 with spacing flatulence part 13 by
The contact 14 that hard material is made.Air bag is contacted with internal ring 21, locating part 42 by contact 14.Power flatulence part 12 and limit
Connect independent source of the gas and negative pressure pump respectively on the flatulence part 13 of position, control power flatulence part 12 and spacing flatulence part in order to independent
13。
The principle of the present embodiment 2 is: common slip shaft is when rolling material, because on material, each position easily occurs
Dimensional discrepancy, cause slip shaft when rolling material, on its axle, tension force suffered by each position is different.And slip axle housing i.e. root
Making according to this principle, when between air bag and internal ring 21, frictional force is less than tension force outside slip axle housing, skidding occurs in slip axle housing,
Thus slow down the rolling of this partial material, thus balance the tension force of each position of material.But in actual production process, Shen
Asking someone to find, once any slip axle housing on driving shaft 1 starts to skid, and the skidding frequency of each slip axle housing is notable after that
Rise, and on the material of rolling, be very easy to that fold occurs.It has been investigated that, make internal ring 21 at slip axle housing because of tension factor
And when occurring between driving shaft 1 skidding, outer shroud 22 1 aspect has inertia, and on the other hand because of the drive of material, outer shroud 22 is easy
It is rotated further.Thus, ball 3 rotarily driving so that ball 3 produces retraction because of outer shroud 22.Cause ball 3 and feed separation.Shadow
Ring the contact precision between ball 3 and material, even during ball 3 goes out and ejects, material has been created radial direction and rush
Hit power, cause material that fold occurs.And in this programme, when slip shaft is started working, punching press of first power flatulence part 12 being pressurizeed,
Make power flatulence part 12 control internal ring 21 by contact 14 to rotate, until the relative motion of internal ring 21 and outer shroud 22 makes rolling
Pearl 3 is moved after ejecting to clearing end 213, more spacing flatulence part 13 carries out pressurization inflation so that spacing flatulence part 13 is by connecing
Contact element 14 outwards pushes locating part 42 so that conflict with ball 3 in the outer end of locating part 42, prevents ball 3 from bouncing back.Work as slip axle housing
When outside tension force is more than the frictional force of contact 14 and internal ring 21, skidding occur in driving shaft 1 and internal ring 21, but power flatulence
Part 12 and spacing flatulence part 13 remain inflated condition, therefore contact 14 contacts with internal ring 21 all the time.Even if so spacing gas
Swollen part 13 separates with locating part 42, and locating part 42 still can be conflicted with the surface of driving shaft 1, it is ensured that locating part 42 is to ball 3
Spacing.After rolling completes, outside tension force is more than the frictional force of driving shaft 1 with internal ring 21, and driving shaft 1 skids with internal ring 21,
Power flatulence part 12 is bled with spacing flatulence part 13 now by negative pressure pump so that contact 14 bounces back simultaneously.Reduce simultaneously
The rotating speed of driving shaft 1.When locating part 42 with spacing flatulence part 13 just pair is moved again to, the side of locating part 42 and air flue 11
Conflicting, locating part 42 is moved to air flue 11 by the active force of elastic component 41 simultaneously.Thus unlock the locating part 42 limit to ball 3
Position.Ball 3 can be bounced back and feed separation.And then complete rolling.
The present embodiment 3, the difference with embodiment 2 is, the elastic component 41 in non-return assembly 4 is for being positioned at internal ring 21 medial wall
On elastic metallic reed, the inner end of locating part 42 and this metal spring leaf are fixing to be connected.When this slip axle housing is not installed or not
During startup, the outer end of locating part 42 is made it concordant with the bottom of eccentric grove 211 by metal spring leaf tension.Thus facilitate its non-return group
The dismounting of part 4, installation.
The foregoing is only presently preferred embodiments of the present invention, be not limited to the present invention, all design structures in the present invention
Within think of, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a ball-type slip axle housing, including the internal ring (21) socket-connected and outer shroud (22), described outer shroud uniformly sets on (22)
It is equipped with some fixing holes (221), is formed between fixing hole (221) and internal ring (21) and radially live along internal ring (21) for ball (3)
Dynamic chamber, the outer surface of described internal ring (21) is provided with some for by eccentric grove (211) extrapolated for ball (3),
It is characterized in that: the side of described internal ring (21) is stop side (23), this stop side (23) projection outside internal ring has baffle ring
(25), the opposite side of described internal ring (21) is active side (24), and described outer shroud (22) is from this active side (24) set to internal ring (21)
On, described active side (24) offers the dismounting groove (26) connecting to take out ball (3) with eccentric grove (211), described activity
Be provided with lock slots (27) on side (24), by a snap ring (28), this lock slots (27) stops that outer shroud (22) departs from internal ring vertically
(21)。
A kind of ball-type slip axle housing the most according to claim 1, is characterized in that: described eccentric grove (211) includes initiateing
End (212) and clearing end (213), the distance of described initiating terminal (212) to internal ring (21) center is less than clearing end (213) to internal ring
(21) distance at center, and described initiating terminal (212) and clearing end (213) rounding off.
A kind of ball-type slip axle housing the most according to claim 2, is characterized in that: described clearing end (213) is provided with
The non-return assembly (4) conflicted towards the side in fact held with ball (3) when ball (3) is in clearing end (213), this non-return assembly
(4) include running through internal ring (21) and the locating part (42) being axially flexibly connected with internal ring (21), holding locating part (42) towards interior
The elastic component (41) of ring (21) central movable.
A kind of ball-type slip axle housing the most according to claim 3, is characterized in that: described elastic component (41) is for being sticked partially
The gum elastic of heart groove (211) bottom, the outer end of described locating part (42) is fixing with gum elastic to be connected.
A kind of ball-type slip axle housing the most according to claim 3, is characterized in that: described elastic component (41) for being sticked including
The reed of ring (21) inner surface, described elastic component (41) is fixing with reed to be connected.
A kind of ball-type slip axle housing the most according to claim 4, is characterized in that: described locating part (42) one end inwardly
End face is set to sphere.
7. a ball-type slip shaft assembly, is characterized in that: include driving shaft (1) and an institute as arbitrary in claim 3 to 6
Ball (3) the formula slip axle housing (2) stated, described driving shaft (1) is provided with air flue (11), and described air flue is set up in parallel in (11)
Dynamic flatulence part (12) and spacing flatulence part (13), described power flatulence part (12) is connected on spacing flatulence part (13) respectively
Individual gas sources, described power flatulence part (12) and spacing flatulence part (13) outside is had to be fixedly connected with for pasting with internal ring (21)
The hard contact part (14) closed, the quantity of described spacing flatulence part (13), position are the most right with non-return assembly (4).
A kind of ball-type slip shaft assembly the most according to claim 7, is characterized in that: described non-return assembly (4) is with spacing
Flatulence part (13) is disposed as one group.
A kind of ball-type slip shaft assembly the most according to claim 7, is characterized in that: described non-return assembly (4), spacing gas
The quantity of swollen part (13) is identical with eccentric grove (211) quantity.
The most according to claim 8 or claim 9, a kind of ball-type slip shaft assembly, is characterized in that: described power flatulence part (12)
It is air bag with spacing flatulence part (13), and described power flatulence part (12) is respectively connected with negative pressure on spacing flatulence part (13)
Pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610564820.2A CN106167203B (en) | 2016-07-16 | 2016-07-16 | A kind of ball-type slip axle housing and its slippage shaft assembly of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610564820.2A CN106167203B (en) | 2016-07-16 | 2016-07-16 | A kind of ball-type slip axle housing and its slippage shaft assembly of application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106167203A true CN106167203A (en) | 2016-11-30 |
| CN106167203B CN106167203B (en) | 2017-06-30 |
Family
ID=58064431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610564820.2A Active CN106167203B (en) | 2016-07-16 | 2016-07-16 | A kind of ball-type slip axle housing and its slippage shaft assembly of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106167203B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108328390A (en) * | 2018-03-23 | 2018-07-27 | 深圳市领创精密机械有限公司 | A kind of coiled strip film synchronous conveying system |
| CN108408495A (en) * | 2018-04-17 | 2018-08-17 | 江阴市申港电讯器材厂 | The firm distensible ring of swelling part management and control |
| CN109124451A (en) * | 2017-06-19 | 2019-01-04 | 泓记精密股份有限公司 | Slip mechanism and toilet cover using the same |
| CN109502429A (en) * | 2018-11-27 | 2019-03-22 | 深圳市科晶智达科技有限公司 | Slip shaft |
| CN109956372A (en) * | 2017-12-14 | 2019-07-02 | 广州金发碳纤维新材料发展有限公司 | A kind of spindle of fiber reinforcement creel |
| CN117899352A (en) * | 2024-03-20 | 2024-04-19 | 苏州同心医疗科技股份有限公司 | Ventricular connection device and ventricular connection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109124451A (en) * | 2017-06-19 | 2019-01-04 | 泓记精密股份有限公司 | Slip mechanism and toilet cover using the same |
| CN109956372A (en) * | 2017-12-14 | 2019-07-02 | 广州金发碳纤维新材料发展有限公司 | A kind of spindle of fiber reinforcement creel |
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| CN108408495B (en) * | 2018-04-17 | 2024-07-26 | 江阴市秀祥卷轴有限公司 | Expansion ring with firm control of expansion piece |
| CN109502429A (en) * | 2018-11-27 | 2019-03-22 | 深圳市科晶智达科技有限公司 | Slip shaft |
| CN117899352A (en) * | 2024-03-20 | 2024-04-19 | 苏州同心医疗科技股份有限公司 | Ventricular connection device and ventricular connection system |
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| CN106167203B (en) | 2017-06-30 |
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Denomination of invention: Ball type slip shaft sleeve and slip shaft assembly applied to same Effective date of registration: 20180404 Granted publication date: 20170630 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd. Square Branch Pledgor: RUIAN CHUANGBO MACHINERY Co.,Ltd. Registration number: 2018990000270 |
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Denomination of invention: A ball type differential shaft sleeve and its application in differential shaft components Granted publication date: 20170630 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: RUIAN CHUANGBO MACHINERY Co.,Ltd. Registration number: Y2023980075741 |