CN208802990U - Casing connection adapter and MCVD equipment based on MCVD equipment - Google Patents

Casing connection adapter and MCVD equipment based on MCVD equipment Download PDF

Info

Publication number
CN208802990U
CN208802990U CN201821485424.1U CN201821485424U CN208802990U CN 208802990 U CN208802990 U CN 208802990U CN 201821485424 U CN201821485424 U CN 201821485424U CN 208802990 U CN208802990 U CN 208802990U
Authority
CN
China
Prior art keywords
sleeve
plug
connection adapter
casing connection
casing
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.)
Active
Application number
CN201821485424.1U
Other languages
Chinese (zh)
Inventor
李代军
李庆国
吴雯雯
孙可元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Futong Optical Communication Technologies Co Ltd
Original Assignee
Chengdu Futong Optical Communication Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Futong Optical Communication Technologies Co Ltd filed Critical Chengdu Futong Optical Communication Technologies Co Ltd
Priority to CN201821485424.1U priority Critical patent/CN208802990U/en
Application granted granted Critical
Publication of CN208802990U publication Critical patent/CN208802990U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The utility model discloses a kind of casing connection adapters based on MCVD equipment, the second sleeve matched including first sleeve and bore with desired cannula, plug-in opening inside the front end of the first sleeve to be inserted into for target plug, and the second sleeve rear end is connect with the first sleeve front end, surrounding at least uniform screw thread connection in the first sleeve front end is used to provide support to the target plug to limit the target plug axial location there are three screw, each tail portion for adjusting screw is adjusted.In the casing connection adapter, first sleeve is increased on the basis of the second casing with installation targets plug, and be provided with one group of adjusting screw, target plug is supported, there is preferable centering.In conclusion fixed inconvenient problem between casing and plug can be efficiently solved by being somebody's turn to do the casing connection adapter based on MCVD equipment.The invention also discloses the MCVD equipment including above-mentioned casing connection adapter.

Description

Casing connection adapter and MCVD equipment based on MCVD equipment
Technical field
The utility model relates to optical fiber fabrication arts, more specifically to a kind of casing connection based on MCVD equipment Adapter further relates to a kind of MCVD equipment including above-mentioned casing connection adapter.
Background technique
The adapter of existing MCVD equipment can only fixed sleeving (MCVD is Modified Chemical Vapor The abbreviation of Deposition, that is, the chemical vapour deposition technique improved), from setting after needing to dock plug with auxiliary tube in casing Standby tail portion fixing seal auxiliary tube protrudes into plug in casing, then by auxiliary tube and casing welding and in auxiliary tube internal openings Ventilation polishing.
Existing adapter can only fixed sleeving, plug, which needs to dock an auxiliary tube, to be fixed from equipment tail portion and protrudes into casing In, and casing then needs to fix with auxiliary tube welding and is assisting effective flame aperture ventilation, regardless of welding or flame aperture It is all easy that casing and plug is allowed to generate deformation, this results in the relative positional relationship of casing and plug fixed inconvenient.
It is current this field skill in conclusion how to efficiently solve fixed inconvenient problem between casing and plug Art personnel's urgent problem.
Utility model content
In view of this, first of the utility model is designed to provide a kind of casing connection adaptation based on MCVD equipment Device, the casing connection adapter can efficiently solve fixed inconvenient problem between casing and plug, the utility model Second purpose is to provide a kind of MCVD equipment including above-mentioned casing connection adapter.
In order to reach above-mentioned first purpose, the utility model is provided the following technical solutions:
A kind of casing connection adapter based on MCVD equipment, including first sleeve and bore are matched with desired cannula Second sleeve, the plug-in opening being inserted into for target plug inside the front end of the first sleeve, and after the second sleeve End is connect with the first sleeve front end, and at least there are three adjust spiral shell for uniform screw thread connection for first sleeve front end surrounding Nail, each tail portion for adjusting screw are used to provide support to the target plug to limit the target plug axis position It sets.
According to above-mentioned technical solution, it is known that in the application casing connection adapter, by the rear end of first sleeve It is fitted into the head of MCVD equipment, target plug is inserted into plug-in opening from the front end of first sleeve then, is rotated at this time Each adjusting screw, to adjust each interior external position for adjusting screw tail portion, so as to the axial location of target plug be adjusted, to reach To pre-provisioning request, then continue to support by adjusting screw.Then desired cannula is inserted into the bore of second sleeve, and made Desired cannula is set in the outside of target plug, then proceedes to subsequent operation.In the casing connection adapter, at second set First sleeve is increased on the basis of pipe, and plug-in opening is set in first sleeve, with installation targets plug, and is provided with one group Screw is adjusted, target plug is supported, and adjusts the axial location that screw adjusts target plug using these, so that ruler The very little axial location there are the target plug of deviation can reach target position, so having preferable centering.In conclusion The casing connection adapter based on MCVD equipment can efficiently solve fixed inconvenient problem between casing and plug.
It preferably, further include the shrinkable gasket of annular, outside is in contact and is used for each tail portion for adjusting screw It is set in the target outside plug.
Preferably, the shrinkable gasket of annular include it is multiple be circumferentially evenly arranged and be adjacent between separately positioned pad Piece portion and multiple dowels being connected between adjacent two pieces of gasket part.
Preferably, the front end of the first sleeve is axially disposed two groups of support groups, and each group support group is circumferentially equal There are three the adjusting screw, each adjusting screws to radially extend setting along the first sleeve for even setting.
Preferably, the shrinkable gasket of annular includes eight pieces of gasket part being arranged circumferentially, and the annular is shrinkable Gasket is copper backing.
Preferably, the second sleeve rear end is connect with the first sleeve forward end seal, the inside of the first sleeve The front end inside of front and back perforation setting, the first sleeve is provided with air slot, and one end of the air slot extends to described The rear end of second sleeve, the other end extend at the rear end of the target plug, by the target plug and the target set Air between pipe is directed into the rear end of the first sleeve.
Preferably, three air slots are set side by side along the circumferential direction of the first sleeve, and adjust screw with described Screw hole is arranged in a staggered manner.
Preferably, the length of the first sleeve is between 20 centimetres to 30 centimetres.
Preferably, the second sleeve is internally provided between the desired cannula and the second sleeve The sealing ring of gap sealing.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of MCVD equipment, which includes Any of the above-described kind of casing connection adapter, the head chuck of the first sleeve clamping of the casing connection adapter in MCVD equipment It is interior.Since above-mentioned casing connection adapter has above-mentioned technique effect, the MCVD equipment with the casing connection adapter There should be corresponding technical effect.
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 standby structural schematic diagram of casing connection adapter provided by the embodiment of the utility model;
Fig. 2 is the assembling structure schematic diagram of casing connection adapter provided by the embodiment of the utility model;
Fig. 3 is that the cross-sectional structure of first sleeve provided by the embodiment of the utility model is intended to;
Fig. 4 is the structural schematic diagram of the shrinkable gasket of annular provided by the embodiment of the utility model.
It is marked in attached drawing as follows:
First sleeve 1, second sleeve 2, adjust screw 3, screw hole 4, air slot 5, the shrinkable gasket 6 of annular, cap 7, Desired cannula 8, target plug 9, gasket part 61, dowel 62.
Specific embodiment
The utility model embodiment discloses a kind of casing connection adapter based on MCVD equipment to efficiently solve set Fixed inconvenient problem between pipe and plug.
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-Fig. 4 is please referred to, Fig. 1 is the standby structural representation of casing connection adapter provided by the embodiment of the utility model Figure;Fig. 2 is the assembling structure schematic diagram of casing connection adapter provided by the embodiment of the utility model;Fig. 3 is the utility model The cross-sectional structure for the first sleeve that embodiment provides is intended to;Fig. 4 is the shrinkable pad of annular provided by the embodiment of the utility model The structural schematic diagram of piece.
In a specific embodiment, a kind of casing connection adapter based on MCVD equipment is present embodiments provided, is had The casing connection adapter of body is used to desired cannula 8 and target plug 9 being indirectly attached to the head of MCVD equipment, and makes Desired cannula 8 and target plug 9 keep certain relative positional relationship, and casing connection adapter is mostly installed at MCVD equipment On head chuck.Specifically, the casing connection adapter includes first sleeve and the second casing
It is wherein used for clamping on the outside of the rear end of first sleeve in head chuck, and is inside the front end of first sleeve 1 For the plug-in opening that target plug 9 is inserted into, which is preferably coaxially disposed with second sleeve 2, tentatively to guarantee, the mesh of loading Plug 9 and desired cannula 8 are marked close to coaxial arrangement.It should be noted that the relative position of all parts is closed for convenience of explanation System, with close to the one of the head chuck of MCVD equipment to be it is backward, with a Xiang Weiqian of the head chuck of separate MCVD equipment to.
The front end of first sleeve is connected with the rear end of the second casing, and the bore of the second casing and 8 phase of desired cannula Cooperation, so that desired cannula 8 can be inserted into the bore of second sleeve 2, to fix desired cannula 8.In order to easily manufactured, 2 uniform cylindrical tubulose of preferred first sleeve 1 and second sleeve herein, and the two is coaxially disposed, the wherein internal diameter one of second sleeve 2 As be greater than first sleeve 1 outer diameter, so annular element can be passed through between the front end of first sleeve 1 and the rear end of second sleeve 2 It is connected and sealed.
First sleeve 1 front end surrounding at least provided with three adjusting screws 3, each adjusting screw 3 is circumferentially It is evenly arranged, and each adjusting screw 3 is threadedly coupled with first sleeve 1, each tail portion for adjusting screw 3 is used for target core Stick 9 provides support, with the axial location of limited target plug 9.It should be noted that wherein each tail portion for adjusting screw 3 can Directly to offset with target plug 9, it is also possible to indirectly offset with target plug 9, it is only necessary to target plug 9 can be provided Support.Screw 3 is adjusted circumferentially with setting, enables each tail portion for adjusting screw 3 from the circumferential direction of target plug 9 Support is uniformly provided, and then avoids 9 transverse shifting of target plug, when adjusting the axial location of target plug 9, such as by target core The axial location of stick 9, which arranges, to be lowered, and the adjusting screw 3 for being located at downside is rotated to move down, that is, is displaced outwardly, and will be upper The adjusting screw 3 of side rotates following movement, that is, moves inward, so that target plug 9 is followed and moved down, and continues by each adjusting spiral shell Nail 3 is supported.
In the present embodiment, in the application casing connection adapter, the rear end of first sleeve is packed into MCVD equipment Head in, target plug 9 is inserted into plug-in opening from the front end of first sleeve 1 then, rotates each adjusting screw at this time 3, to adjust each interior external position for adjusting 3 tail portion of screw, so as to adjust the axial location of target plug 9, wanted with reaching predetermined It asks, then continues to support by adjusting screw 3.Then desired cannula 8 is inserted into the bore of second sleeve 2, and makes target Casing 8 is set in the outside of target plug 9, then proceedes to subsequent operation.In the casing connection adapter, in the second casing On the basis of increase first sleeve, and plug-in opening is set in first sleeve, with installation targets plug 9, and is provided with one group Screw 3 is adjusted, target plug 9 is supported, and adjusts the axial location that screw 3 adjusts target plug 9 using these, so that Obtaining size, there are the axial locations of the target plug 9 of deviation can reach target position, so having preferable centering.To sum up Described, fixed inconvenient between casing and plug ask can be efficiently solved by being somebody's turn to do the casing connection adapter based on MCVD equipment Topic.
As described above, adjusting the tail portion of screw 3 can directly target plug 9 be in contact, it is contemplated that adjusting screw 3 one As be metalwork, and it is common be stainless steel part, so hardness is bigger, and tail portion is more sharp, is easily damaged target plug 9, it is based on this, herein it is also preferable to include the shrinkable gasket 6 of annular, the outside of the annular is shrinkable gasket 6 and each adjusting screw 3 Tail portion be in contact, and the shrinkable gasket 6 of the annular is for being set in the outside of target plug 9, to guarantee the shrinkable gasket 6 of annular Inside and target plug 9 outside be in close contact.
Wherein annular shrinkable gasket 6 refers under external force, or under the elastic deformation active force of itself, can To shrink outer diameter.In order to which the shrinkable gasket 6 of annular is preferably arranged, the preferred shrinkable gasket 6 of annular includes gasket part 61 herein With dowel 62, plurality of gasket part 61 be circumferentially evenly arranged and be adjacent between it is separately positioned, with can be by adjusting phase Spacing between neighbour is realized and shrinks adjustment.Wherein dowel 62 is connected between adjacent two pieces of gasket part 61, wherein 62 phase of dowel Having for answering is multiple, to be connected between adjacent two pieces of gaskets.Specifically, wherein annular shrinkable gasket 6 preferably includes Eight pieces of gasket part 61 being arranged circumferentially, wherein middle part of the both ends of dowel 62 respectively with adjacent two pieces of gasket part 61 connects It connects.It is considered that the shrinkable needs of gasket 6 of annular are in contact with target plug 9, wherein annular shrinkable gasket 6 is preferably copper packing The material of piece, copper backing is relatively soft, is hardly damaged plug, and copper backing is not easy to get rusty.
Further, it for better support target plug 9, is preferably set herein in the front end of first sleeve 1 along axial direction Two groups of support groups are equipped with, each group support group is uniformly arranged in the circumferential direction there are three screw 3 is adjusted, i.e., six adjusting spiral shells are arranged altogether Nail, preferably two groups of adjusting screws are arranged in a one-to-one correspondence along axial direction.And in one group of support group, between two neighboring adjusting screw 3 Angle is 120 degree.Wherein each adjusting screw 3 preferably radially extends setting along first sleeve 1, and slightly offset is set certainly It sets, should also be allowed.
Further, it is contemplated that, when the later period operating target plug 9 and desired cannula 8, need to pump out mesh The air between plug 9 and desired cannula 8 is marked, this is based on, it is convenient in order to facilitate MCVD equipment suction air, herein preferably by the Two sleeves, 2 rear end is connect with 1 forward end seal of first sleeve, perforation setting before and after the inside of first sleeve 1, with can be by second set Air in cylinder 2 aspirates away from the rear end of first sleeve 1.It is provided with air slot 5 on the inside of the front end of first sleeve 1, leads One end of air drain 5 extends to the rear end of second sleeve 2, and the other end extends at the rear end of target plug 9, and finally extends to ring At the rear end of shape is shrinkable gasket 6, the air between target plug 9 and desired cannula 8 is directed into the rear end of first sleeve 1 Portion.It by the setting of air slot 5, avoids between retractable type gasket and target plug 9, and the inside with first sleeve 1 Gapless between wall, and the effect of ventilation can not be played.Three air slots 5 wherein can be set.And preferably three 5 edges of air slot The circumferential direction of first sleeve 1 is set side by side, and is arranged in a staggered manner with the screw hole 4 for adjusting screw 3, and preferably each air slot 5 distinguishes position Between the two neighboring adjusting screw 3 of one group of support group.Wherein preferably 90 millimeters to 100 millimeters of the length of air slot 5.
Further, clamping is carried out to first sleeve 1 for convenience, the length of preferred first sleeve 1 is at 20 centimetres herein To between 30 centimetres.In order to facilitate sealed connection, outside is arranged for preventing sealing ring at the rear end of preferred first sleeve 1 herein Seal groove.Correspondingly, in order to avoid occurring ventilation gap between second sleeve 2 and desired cannula 8, herein preferably, second set Cylinder 2 is internally provided with for the sealing ring to clearance seal between desired cannula 8 and second sleeve 2, and sealing ring is preferred herein Preferably increase a cap 7, the middle part of cap 7 second set of logical front end for better seal for tetrafluoro circle and O-ring It is provided with the perforation passed through for desired cannula 8.
The casing connection adapter provided in based on the above embodiment, the utility model additionally provide a kind of MCVD equipment, The MCVD equipment includes any one casing connection adapter in above-described embodiment, the first set wound packages of the casing connection adapter It is clipped in the head chuck of MCVD equipment.Since the MCVD equipment uses the casing connection adapter in above-described embodiment, institute Above-described embodiment is please referred to the beneficial effect of the MCVD equipment.
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 casing connection adapter based on MCVD equipment, which is characterized in that including first sleeve and bore and target The front end inside of the second sleeve that casing matches, the first sleeve is the plug-in opening being inserted into for target plug, and described Second sleeve rear end is connect with the first sleeve front end, and first sleeve front end surrounding at least uniform screw thread is connected with three A adjusting screw, each tail portion for adjusting screw are used to provide support to the target plug to limit the target plug Axial location.
2. casing connection adapter according to claim 1, which is characterized in that further include the shrinkable gasket of annular, outside It is in contact and with each tail portion for adjusting screw for being set in the target outside plug.
3. casing connection adapter according to claim 2, which is characterized in that the shrinkable gasket of annular includes multiple Between being circumferentially evenly arranged and being adjacent separately positioned gasket part and it is multiple be connected to adjacent two pieces of gasket part it Between dowel.
4. casing connection adapter according to claim 3, which is characterized in that the front end of the first sleeve is along axial direction It is provided with two groups of support groups, each group support group is uniformly arranged in the circumferential direction that there are three the adjusting screw, each adjusting screws Setting is radially extended along the first sleeve.
5. casing connection adapter according to claim 4, which is characterized in that the shrinkable gasket of annular includes eight pieces The gasket part being arranged circumferentially, the shrinkable gasket of annular are copper backing.
6. casing connection adapter described in -5 according to claim 1, which is characterized in that the second sleeve rear end and described the The connection of one sleeve forward end seal, the inside front and back perforation setting of the first sleeve, the front end inside of the first sleeve is set It is equipped with air slot, one end of the air slot extends to the rear end of the second sleeve, and the other end extends to the target plug Rear end at, the air between the target plug and the desired cannula is directed into the rear end of the first sleeve.
7. casing connection adapter according to claim 6, which is characterized in that three air slots are along the first set The circumferential direction of cylinder is set side by side, and is arranged in a staggered manner with the screw hole for adjusting screw.
8. casing connection adapter according to claim 7, which is characterized in that the length of the first sleeve is at 20 centimetres To between 30 centimetres.
9. casing connection adapter according to claim 8, which is characterized in that the second sleeve is internally provided with use In the sealing ring to clearance seal between the desired cannula and the second sleeve.
10. a kind of MCVD equipment, including head chuck, which is characterized in that further include such as the described in any item sets of claim 1-9 Pipe connects adapter, and described sleeve pipe connects the first sleeve clamping of adapter in the head chuck.
CN201821485424.1U 2018-09-11 2018-09-11 Casing connection adapter and MCVD equipment based on MCVD equipment Active CN208802990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821485424.1U CN208802990U (en) 2018-09-11 2018-09-11 Casing connection adapter and MCVD equipment based on MCVD equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821485424.1U CN208802990U (en) 2018-09-11 2018-09-11 Casing connection adapter and MCVD equipment based on MCVD equipment

Publications (1)

Publication Number Publication Date
CN208802990U true CN208802990U (en) 2019-04-30

Family

ID=66237931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821485424.1U Active CN208802990U (en) 2018-09-11 2018-09-11 Casing connection adapter and MCVD equipment based on MCVD equipment

Country Status (1)

Country Link
CN (1) CN208802990U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112159095A (en) * 2020-09-02 2021-01-01 烽火通信科技股份有限公司 Optical fiber preform preparation device and preparation method
CN112239324A (en) * 2020-10-23 2021-01-19 杭州富通通信技术股份有限公司 Method for processing preform and optical fiber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112159095A (en) * 2020-09-02 2021-01-01 烽火通信科技股份有限公司 Optical fiber preform preparation device and preparation method
CN112239324A (en) * 2020-10-23 2021-01-19 杭州富通通信技术股份有限公司 Method for processing preform and optical fiber

Similar Documents

Publication Publication Date Title
CN208802990U (en) Casing connection adapter and MCVD equipment based on MCVD equipment
US3830531A (en) Coupling for flexible tubes
KR101670111B1 (en) Push-fit pipe fitting system with support sleeve
CN213438089U (en) Steel pipe welding positioning tool
CN109262184A (en) A kind of list thrust dual-positioning clamping jaw swelling telescoping mechanism
CN205684754U (en) Stator turning clamp
CN209239434U (en) A kind of list thrust dual-positioning elasticity swelling telescoping mechanism
CN207949948U (en) A kind of cranium brain channel location mechanism and positioning device applied on overlay film frame
JP6515822B2 (en) Pipe fitting
CN207957230U (en) A kind of general end cap of web-like broad-width material
JP6516079B2 (en) Pipe fitting
CN109550989A (en) A kind of motor casing workpiece machining clamp
CN108374459A (en) A kind of fixed seat
JP6532000B2 (en) Pipe fitting
CN210013010U (en) Mounting structure of thin-walled tube
JP2007138589A (en) Installation method of resin pipe to construction wall, installation implement of resin pipe, and pipe holding sleeve
CN213609401U (en) Novel aseptic butt joint device
CN105729370A (en) Installation mechanism used for installing inner sleeve in tubular heat exchanger
CN203641741U (en) Pipe connector
CN215847949U (en) Mounting tool and device
CN212928376U (en) Matching structure of oil cylinder guide sleeve and cylinder barrel
CN212493733U (en) Pneumatic glue injection gun and glue injection nozzle thereof
CN216283410U (en) Convenient connecting device of high axiality
CN207774272U (en) A kind of support device of the inner cylinder of gas bath feeder
CN220600754U (en) Pipe joint assembly

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant