CN108408495A - The firm distensible ring of swelling part management and control - Google Patents
The firm distensible ring of swelling part management and control Download PDFInfo
- Publication number
- CN108408495A CN108408495A CN201810343712.1A CN201810343712A CN108408495A CN 108408495 A CN108408495 A CN 108408495A CN 201810343712 A CN201810343712 A CN 201810343712A CN 108408495 A CN108408495 A CN 108408495A
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- CN
- China
- Prior art keywords
- swelling
- ring support
- ring
- shell
- shoulder
- 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.)
- Pending
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- 230000008961 swelling Effects 0.000 title claims abstract description 168
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 28
- 229910000639 Spring steel Inorganic materials 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 206010042674 Swelling Diseases 0.000 description 111
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The present invention relates to a kind of distensible rings that the management and control of swelling part is firm, it can on a main shaft more piece it is in tandem, the Scroll that rectangular expansion block formula distensible ring is lengthened as the mechanical all steel pearl or steel ball for having various structures that certain length uses, be especially suitable for configuration to the cutting of plastics, paper, film, paper-plastic stick, packaging, color printing and ultrathin metal film etc., wind, unreel and the mechanical equipment of rewinding on.Steel ball or rectangle expansion block in distensible ring can in this way will not slip from the hole of the management and control of shell, rubbish is not easy to enter between shell and ring support, convenient disassembly when repair, it can be with hand operation, so that distensible ring is substantially prolonged usage time, reduce maintenance times, saves cost.
Description
Technical field
The present invention relates to a kind of and mechanical equipment coordination, can more piece is in tandem on a main shaft, becoming has a fixed length
The mechanical all steel pearl for the various structures that degree uses or steel ball lengthen the Scroll of rectangular expansion block formula distensible ring, are especially suitable for configuration
To the cutting of plastics, paper, film, paper-plastic stick, packaging, color printing and ultrathin metal film etc., wind, unreel and rewinding
On mechanical equipment.
Background technology
Currently, all steel pearl of a variety of patterns of domestic and imported currently in use or steel ball lengthen rectangular expansion block in the market
Distensible ring is to drive steel ball or the small expansion block of rectangle on the working face of involute using the shell with multiple rectangular gap
Sliding makes steel ball or rectangle expansion block protrude in case surface, to clamping paper tube or plastic tube.
But all steel pearl of current various types or steel ball lengthen the distensible ring of rectangular expansion block formula, and there are a fatal disadvantages
Disease, be this distensible ring management and control steel ball shell using multiple rectangular gap come management and control steel ball or rectangle expansion block.It is this rectangular open-minded
Steel ball or expansion block are lived in the both sides energy management and control of mouth actually only gap, but are made after using for a period of time, and three kinds of swellings are just produced
Enclose inoperable situation：First, steel ball or expansion block are easily slipped from gap, and after steel ball is taken off, distensible ring can not just play
The effect of swelling paper tube；Second, the gap on shell is excessive, the rubbish fallen down in paper tube or plastic tube easily enter shell with
In gap between ring support, how long have more than is needed, rubbish once mostly by shell and ring support it is stuck, shell cannot have rotated；Third
Steel ball or expansion block can cause the spring steel plate for bouncing steel ball to damage once fallen off, and shell and ring support are stuck, and shell is not yet
It can have rotated.These types of situation often influences to produce, and causes distensible ring to need often cleaning rubbish and maintaining, but dismantle
After specific purpose tool must be used when reassembling again, it is time-consuming and laborious, if more difficult installation if hand operation.
Invention content
It is an object of the present invention to the steel ball or expansion block that are directed on distensible ring are easy to slide from the gap of shell, with
And rubbish easily enters in the gap between shell and ring support, causes shell stuck with ring support after spring steel plate damage, to shadow
The case where ringing production, now redesigns entire infrastructure, can make steel ball in distensible ring or rectangle expansion block will not be from outer in this way
Slipped in the hole of the management and control of shell, rubbish is not easy to enter between shell and ring support, convenient disassembly when repair, can with hand operation,
So that distensible ring is substantially prolonged usage time, reduce maintenance times, saves cost.
The object of the present invention is achieved like this：
A kind of distensible ring that the management and control of swelling part is firm, it includes preceding swelling ring support, rear swelling ring support, rear collar, management and control is swollen
Shell, multiple swelling parts and the multiple spring steel plates of tight part, the preceding swelling ring support, rear swelling ring support, rear collar are sky
Stem body, shell are an annulus, and the left end of the preceding swelling ring support is equipped with the left limit shoulder being radially arranged, left limit shoulder
Right side is preceding distensible ring shoulder, and preceding swelling ring support is equipped with installation shoulder on the right side of preceding distensible ring shoulder, installs and installed on shoulder
There are rear swelling ring support and rear collar, the left end of the rear collar to be equipped with shell and shoulder is installed, outer cover suit is in preceding swelling ring support
The shell of preceding distensible ring shoulder and rear collar is installed on shoulder, at least six swellings on the same warp of the peripheral surface of shell
Part hole, swelling part are installed inside the shell.
Swelling part hole is tubaeform circular hole or tubaeform oblong shaped orifices, quantity and the swelling number of packages amount phase in swelling part hole
Together, wherein swelling part hole is radially at least provided with a row.
When swelling part hole has multiple rows of radially, in axial direction between the two neighboring Kong Yukong in adjacent two rows swelling part hole
On can be on the same straight line, or in same axial direction be in 30 ° of angles.
Preceding distensible ring shoulder right end radially slides involute working face at least six preceding ring supports, and preceding ring support radially slides
On involute working face it is outstanding a high position on often separate a sliding surface just carry preceding ring support threaded hole, carry preceding ring support threaded hole
Preceding ring support radially slide on involute working face be equipped with spring steel plate.
Swelling ring support left end is equipped with limit shoulder after described, and ring support radially slides involute work after right end carries at least six
Make face, rear ring support radially slide on involute working face it is outstanding it is high-order it is upper every a sliding surface just with rear ring support screw thread
Hole limits and is provided with that radially slide involute working face quantity with rear swelling ring support equal on shoulder, is located at rear swelling ring support diameter
To sliding involute working face depressed portions at swelling part by gap, rear swelling ring support it is adjacent radially slide involute work
Make to be equipped at least one rear ring support pin hole between face.
There is at least one rear collar pin hole on the left side of collar afterwards, has at least one axial screw on the peripheral surface of rear collar
Pit.
There is at least one axial threaded hole on installation shoulder.
Swelling part is steel ball or rectangle expansion block.
Sequence is when the firm distensible ring of this swelling part management and control is installed：More slightly wider than swelling part at least six or more
Some, and swelling part can be radially slided above on the preceding swelling ring support of the involute working face of work, often separating one
There is threaded hole on the high plane of involute sliding working face, and is screwed without departing from involute face width and length
Multiple spring steel plates, multiple swelling parts are put into corresponding hole of the firm shell of swelling part management and control, are then filled
On shell installation shoulder before the shell of swelling part is inserted in above swelling ring support, meanwhile, multiple swelling parts, which are respectively located at, gradually to be opened
On the working face and spring steel plate of line, being slided every an involute on rear swelling ring support on the high plane of working face has screw thread
Hole, and multiple spring steel plates without departing from involute face width and length are screwed, then by rear swelling ring support
Before set is packed on the installation shoulder of swelling ring support, the installation shoulder left side of rear swelling ring support is slided with the involute of preceding swelling ring support
The side of dynamic working face abuts, and the sliding working face of rear swelling ring support is with the sliding working face of preceding swelling ring support on axial position
30 ° are turned over, can also be mounted side by side, swelling part just respectively enters the hole neutralization of the corresponding firm shell of swelling part management and control at this time
Preceding distensible ring, rear swelling ring support each involute sliding working face gap among, then rear collar set be packed into before distensible ring
On the installation shoulder of seat, there are straight pin, rear collar axial sides to have one in the blind cylinder pin hole of the axial sides of rear swelling ring support
Blind cylinder pin hole, two sides offset, and straight pin enters in straight pin blind hole, just plays the role of may I ask, hereafter uses screw again
Before rear collar is fixed on the installation shoulder of distensible ring.After installation is complete, shell diameter radial rotating is caught, shell is with swelling
Part rotates, and swelling part radially slides on involute sliding working face, and swelling part will be protruded in outer surface of outer cover, or be shunk
Inside to outer surface of outer cover, to play the role of swelling paper tube endoporus or loosen paper tube endoporus.Swelling part is by the loudspeaker of shell
Shape hole management and control is firm, will not be slipped from hole, while rubbish is also less prone to enter between shell and ring support, and is dismantled when repair
It is convenient, distensible ring can be made to extend usage time, reduce maintenance times with hand operation, saves cost, play significantly
Energy saving and environmentally friendly effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the firm distensible ring of swelling part management and control of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the schematic diagram after taking swelling part and spring steel plate, shell in Fig. 1 away.
Fig. 4 is the schematic diagram of the preceding swelling ring support in Fig. 3.
Fig. 5 is the schematic diagram of the rear swelling ring support in Fig. 3.
Fig. 6 is the schematic diagram of the rear collar in Fig. 3.
Fig. 7 is the schematic diagram of the shell in Fig. 2.
Schematic diagram when Fig. 8 is is tubaeform circular hole entirely on shell.
Fig. 9 is existing tubaeform circular hole on shell, and schematic diagram when having a tubaeform oblong shaped orifices
Wherein：Preceding swelling ring support 1, left limit shoulder 1.1, preceding distensible ring shoulder 1.2, installation shoulder 1.3, preceding ring support diameter
To sliding involute working face 1.4, preceding ring support threaded hole 1.5, axial threaded hole 1.6, rear swelling ring support 2, limit shoulder 2.1,
Afterwards ring support radially slide involute working face 2.2, rear ring support threaded hole 2.3, swelling part by gap 2.4, rear ring support pin hole
2.5, rear collar 3, shell installation shoulder 3.1, axial threaded hole 3.2, rear collar pin hole 3.3, shell 4, swelling part hole 4.1.
Specific implementation mode
Such as Fig. 1 to Fig. 9, the present invention relates to a kind of distensible ring that the management and control of swelling part is firm, including it is preceding swelling ring support 1, rear swollen
Collar seat 2, rear collar 3, the shell 4 of management and control swelling part, multiple swelling parts (steel ball or rectangle expansion block) and multiple spring steel
Piece, the preceding swelling ring support 1, rear swelling ring support 2, rear collar 3 are hollow cylinder, and shell 4 is an annulus.
Such as Fig. 4, the left end of the preceding swelling ring support 1 is equipped with the left limit shoulder 1.1 being radially arranged, limit shoulder 1.1 with
The left side of shell 4 offsets, and prevents 4 axial displacement of shell, shell 4 to be sleeved on intermediate preceding distensible ring shoulder 1.2, and can diameter
To rotation, preceding 1.2 right end of distensible ring shoulder radially slides involute working face 1.4, preceding ring support diameter at least six preceding ring supports
To on sliding involute working face 1.4 it is outstanding it is high-order upper every a sliding surface just with preceding ring support threaded hole 1.5, carry
The preceding ring support of preceding ring support threaded hole 1.5 radially slides and spring steel plate is housed on involute working face 1.4, and spring steel plate is solid with screw
Fixed, preceding swelling ring support 1 is equipped with installation shoulder 1.3 on the right side of preceding distensible ring shoulder 1.2, is equipped on installation shoulder 1.3 rear swollen
Collar seat 2 and rear collar 3, installing on shoulder 1.3 has at least one axial threaded hole 1.6.
Before swelling ring support 2 is sleeved on after described on swelling ring support 1, such as Fig. 6, rear 2 left end of swelling ring support is equipped with limiting stand
Shoulder 2.1, ring support radially slides involute working face 2.2 after right end carries at least six, and rear ring support radially slides involute work
On face 2.2 it is outstanding it is high-order upper just carry rear ring support threaded hole 2.3 every a sliding surface, limit be provided on shoulder 2.1 and after
It is equal that ring support radially slides 2.2 quantity of involute working face, and involute working face 2.2 is radially slided positioned at rear swelling ring support 2
Swelling part at depressed portions by gap 2.4, on the right side of rear swelling ring support 2, the adjacent radial direction of rear distensible ring ring support 2 is sliding
At least one rear ring support pin hole 2.5 is equipped between dynamic involute working face 2.2.
Before collar 3 is sleeved on after described on the installation shoulder 1.3 of swelling ring support 1, as the left end of Fig. 7, the rear collar 3 are set
There is shell that shoulder 3.1 is installed, shell 4 is sleeved on shell installation shoulder 3.1, and right side and the shell of shell 4 install shoulder 3.1
Right end offsets, and places restrictions on 4 axial displacement of shell, there is at least one rear collar pin hole 3.3 on the left side of rear collar 3, rear collar 3
There is 7 hole 3.2 of at least one axial screw on peripheral surface.
Such as Fig. 8, at least six swelling part holes 4.1, swelling part hole 4.1 is on the same warp of the peripheral surface of shell 4
The quantity of tubaeform circular hole or tubaeform oblong shaped orifices, swelling part hole 4.1 is identical as swelling number of packages amount, wherein swelling part hole
4.1 can be single radially, can also be plurality of rows of, between the two neighboring Kong Yukong in adjacent two rows swelling part hole 4.1
Can be to be on the same straight line, or in 30 ° of angles in same axial direction, swelling part is mounted on 4 inside of shell in the axial direction
When will be blocked by swelling part hole 4.1, prevent swelling part from slipping outward, and shell 4 can be allowed radially to turn together with swelling part
It is dynamic.
Sequence is when the firm distensible ring of this swelling part management and control is installed：More slightly wider than swelling part at least six or more
Some, and swelling part can be radially slided above on the preceding swelling ring support 1 of the involute working face of work, every one gradually
Burst at the seams sliding working face high plane on have threaded hole, and be screwed without departing from involute face width and length
Multiple swelling parts are put into corresponding hole of the firm shell 4 of swelling part management and control, then fill swollen by multiple spring steel plates
On installation shoulder 1.3 before the shell 4 of tight part is inserted in above swelling ring support 1, meanwhile, multiple swelling parts are respectively located at involute
Working face and spring steel plate on, being slided every involute on rear swelling ring support 2 on the high plane of working face has screw thread
Hole, and multiple spring steel plates without departing from involute face width and length are screwed, then by rear swelling ring support 2
Before set is packed on the installation shoulder 1.3 of swelling ring support 1,2.1 side of limit shoulder of rear swelling ring support 2 and preceding swelling ring support are gradually
The burst at the seams side of sliding working face abuts, and the sliding working face of sliding working face and the preceding swelling ring support 1 of rear swelling ring support 2 is in axis
30 ° are turned over on position, can also be mounted side by side, and swelling part just respectively enters firm outer of corresponding swelling part management and control at this time
The flared hole of shell 4 neutralizes preceding swelling ring support 1, each involute of rear swelling ring support 2 slides among the gap of working face, then
Before 3 sets of collar is packed into afterwards on the installation shoulder 1.3 of swelling ring support 1, the rear ring support pin hole 2.5 of the axial sides of rear swelling ring support 2
Inside there are straight pin, rear collar axial sides to there is rear collar pin hole 3.3, two sides to offset, straight pin enters rear collar pin hole 3.3
Positioning action is inside just played, before being hereafter fixed on again with collar after key screw 3 on the installation shoulder 1.3 of distensible ring 1.It installs
Cheng Hou can catch 4 radial rotating of shell, shell 4 to be rotated with swelling part, and swelling part is radially slided on involute sliding working face
Dynamic, swelling part will be protruded in 4 outer surface of shell, or be retracted to inside 4 outer surface of shell, to play swelling paper tube endoporus
Or loosen the effect of paper tube endoporus.Swelling part is firm by the flared hole management and control of shell, will not be slipped from hole, while rubbish
Convenient disassembly when being also less prone to enter between shell 4 and ring support, and repairing, can make distensible ring extend use with hand operation
Time reduces maintenance times, saves cost, plays energy saving and environmentally friendly effect significantly.
Claims (9)
1. a kind of distensible ring that the management and control of swelling part is firm, it is characterised in that：It includes preceding swelling ring support (1), rear swelling ring support
(2), rear collar (3), the shell (4) of management and control swelling part, multiple swelling parts and multiple spring steel plates, the preceding swelling ring support
(1), rear swelling ring support (2), rear collar (3) are hollow cylinder, and shell (4) is an annulus, the preceding swelling ring support (1)
Left end is equipped with the left limit shoulder (1.1) being radially arranged, and is preceding distensible ring shoulder (1.2) on the right side of left limit shoulder (1.1), preceding swollen
Collar seat (1) is equipped with installation shoulder (1.3) on the right side of preceding distensible ring shoulder (1.2), is equipped on installation shoulder (1.3) rear swollen
The left end of collar seat (2) and rear collar (3), the rear collar (3) is equipped with shell installation shoulder (3.1), before shell (4) is sleeved on
On the preceding distensible ring shoulder (1.2) of swelling ring support (1) and the shell installation shoulder (3.1) of rear collar (3), the periphery of shell (4)
At least six swelling part holes (4.1) on the same warp in face, swelling part are mounted on the inside of shell (4).
2. a kind of firm distensible ring of swelling part management and control according to claim 1, it is characterised in that：Swelling part hole (4.1)
It is tubaeform circular hole or tubaeform oblong shaped orifices, the quantity in swelling part hole (4.1) is identical as swelling number of packages amount, wherein swelling
Part hole (4.1) is radially at least provided with a row.
3. a kind of firm distensible ring of swelling part management and control according to claim 2, it is characterised in that：When swelling part hole
(4.1) when having multiple rows of radially, can be in the axial direction between the two neighboring Kong Yukong of adjacent two rows swelling part hole (4.1)
It is on the same straight line, or in 30 ° of angles in same axial direction.
4. a kind of firm distensible ring of swelling part management and control according to claim 1, it is characterised in that：Preceding distensible ring shoulder
(1.2) right end radially slides involute working face (1.4) at least six preceding ring supports, and preceding ring support radially slides involute work
On face (1.4) it is outstanding a high position on often separate a sliding surface just carry preceding ring support threaded hole (1.5), carry preceding ring support threaded hole
(1.5) preceding ring support, which radially slides, is equipped with spring steel plate on involute working face (1.4).
5. a kind of firm distensible ring of swelling part management and control according to claim 1, it is characterised in that：Swelling ring support after described
(2) left end is equipped with limit shoulder (2.1), and ring support radially slides involute working face (2.2) after right end carries at least six, rear to enclose
Seat radially slide on involute working face (2.2) it is outstanding it is high-order upper every a sliding surface just with rear ring support threaded hole
(2.3), it is provided with that radially slide involute working face (2.2) quantity with rear swelling ring support (2) equal in limit shoulder (2.1),
Positioned at rear swelling ring support (2) radially slide the swelling part at involute working face (2.2) depressed portions by gap (2.4), after
Swelling ring support (2) adjacent radially sliding be equipped between involute working face (2.2) it is at least one after ring support pin hole (2.5).
6. a kind of firm distensible ring of swelling part management and control according to claim 1, it is characterised in that：A left side for collar (3) afterwards
There is at least one rear collar pin hole (3.3) on end face, has at least one axial threaded hole (3.2) on the peripheral surface of rear collar (3).
7. a kind of firm distensible ring of swelling part management and control according to claim 1, it is characterised in that：Shoulder (1.3) is installed
On have at least one axial threaded hole (1.6).
8. a kind of firm distensible ring of swelling part management and control according to claim 1, it is characterised in that：Swelling part be steel ball or
Rectangle expansion block.
9. a kind of firm distensible ring of swelling part management and control according to claim 1, it is characterised in that：This swelling part management and control
Sequence is when firm distensible ring is installed：On the preceding swelling ring support (1) at least six or more involute working faces, every
There is threaded hole on the high plane of one involute sliding working face, multiple swelling parts are put into the firm shell of swelling part management and control
(4) in corresponding hole, the shell (4) for then filling swelling part is inserted in the preceding installation shoulder of swelling ring support (1) above
(1.3) on, meanwhile, multiple swelling parts are respectively located on the working face and spring steel plate of involute, on rear swelling ring support (2)
Every having threaded hole on the high plane that involute slides working face, and multiple spring steel plates are screwed, then will
Before swelling ring support (2) set is packed into afterwards on the installation shoulder (1.3) of swelling ring support (1), the limit shoulder of rear swelling ring support (2)
(2.1) side of the involute sliding working face of side and preceding swelling ring support abuts, the sliding working face of rear swelling ring support (2) with
The sliding working face of preceding swelling ring support (1) turns over 30 ° on axial position, can also be mounted side by side, swelling part is with regard to respective at this time
The flared hole of the shell (4) firm into corresponding swelling part management and control neutralizes preceding swelling ring support (1), rear swelling ring support (2)
Among the gap of each involute sliding working face, then the installation shoulder of swelling ring support (1) before rear collar (3) set loading
(1.3) on, after thering is straight pin, rear collar axial sides to have in the rear ring support pin hole (2.5) of the axial sides of rear swelling ring support (2)
Collar pin hole (3.3), two sides offset, and straight pin, which enters in rear collar pin hole (3.3), just plays positioning action, hereafter again
It is fixed on the installation shoulder (1.3) of preceding distensible ring (1) with collar after key screw (3), after installation is complete, catches shell (4) diameter
To rotation, shell (4) is rotated with swelling part, and swelling part radially slides on involute sliding working face, and swelling part will be convex
Go out in shell (4) outer surface, is either retracted to inside shell (4) outer surface to play swelling paper tube endoporus or loosen paper
The effect of pipe orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343712.1A CN108408495A (en) | 2018-04-17 | 2018-04-17 | The firm distensible ring of swelling part management and control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343712.1A CN108408495A (en) | 2018-04-17 | 2018-04-17 | The firm distensible ring of swelling part management and control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108408495A true CN108408495A (en) | 2018-08-17 |
Family
ID=63135700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810343712.1A Pending CN108408495A (en) | 2018-04-17 | 2018-04-17 | The firm distensible ring of swelling part management and control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108408495A (en) |
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| CN106167203A (en) * | 2016-07-16 | 2016-11-30 | 瑞安市创博机械有限公司 | A kind of ball-type slip axle housing and the slip shaft assembly of application thereof |
| CN208200020U (en) * | 2018-04-17 | 2018-12-07 | 江阴市申港电讯器材厂 | Swelling part manages firm distensible ring |
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