CN207268346U - A kind of sealed joint apparatus - Google Patents
A kind of sealed joint apparatus Download PDFInfo
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- CN207268346U CN207268346U CN201720639919.4U CN201720639919U CN207268346U CN 207268346 U CN207268346 U CN 207268346U CN 201720639919 U CN201720639919 U CN 201720639919U CN 207268346 U CN207268346 U CN 207268346U
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- hole
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- frustum
- stud
- butt joint
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Abstract
The utility model discloses a kind of sealed joint apparatus, include：One is provided with the stud of a first through hole, which is made of the first taper type hole for extending to stud upper surface and the cylinder hole for extending to stud lower face；A pair of joint, the butt joint front portion is formed with one first frustum, and when stud is connected with butt joint, first frustum is corresponded to and is connected in the taper type hole, and outside is provided with a step in the middle part of the butt joint；The butt joint rear outside is equipped with external screw thread, and the docking head-tail is formed with one second frustum, and second frustum is equipped with bulge loop, and the butt joint is provided with one second through hole along axis direction；One is equipped with swivel nut in the locking of internal thread through hole；One locking external thread sleeve, the locking external thread sleeve are interconnected and fixed with swivel nut in locking, and the step is limited in the locking between swivel nut and locking external thread sleeve；One extruding nut, the extruding nut front end face are equipped with internal thread hole, and rear end face is equipped with the second taper type hole.
Description
Technical field
It the utility model is related to Medium Voltage Switchgear processing and manufacturing equipment, especially a kind of sealed joint apparatus.
Background technology
During the processing and manufacturing of SF6 (sulfur hexafluoride) Medium Voltage Switchgear, first, by closed switchgear aeration tank
Former air extraction, and after reaching vacuum pressure more than -0.06Mpa, is filled with and reaches the purity of 0.045Mpa pressure and be
99.9%SF6 gases, can be only achieved the requirement of SF6 Medium Voltage Switchgear industries.So it is indispensable to vacuumize charger
Important equipment.With the raising of power supply reliability, and city and agriculture material power grid develop rapidly, are set with the switch of SF6 gas-filling cabinets
Standby to obtain swift and violent development, application surface is more and more extensive.It is also more and more common to the use for vacuumizing charger.
At present, vacuumize charger and the SF6 switchgear overwhelming majority be using rubber ring come realize be tightly connected after it is complete
Technique is filled into pumping.When suction pressure reaches -0.06Mpa, it is difficult to bear to ensure sealing that general rubber ring, which is,.In addition rubber
Cushion rubber takes out mesenchymal amount as the factors such as usage frequency, quality aging, erection skill directly affect.
The content of the invention
The technical problem to be solved by the utility model is to provide a kind of simple in structure, simple installation, leakproofness are strong, real
With the high sealed joint apparatus of property.
In order to solve the above technical problems, the utility model uses technical solution as described below：
A kind of sealed joint apparatus, includes：One stud, the stud are provided with a first through hole along axis direction, should
First through hole is made of the first taper type hole for extending to stud upper surface and the cylinder hole for extending to stud lower face, and described the
The top surface in one taper type hole is corresponding with stud upper surface to be overlapped, and bottom surface seamlessly transits with cylinder hole and connects, and first frustum
The top surface area in shape hole is more than base area；A pair of joint, the butt joint front portion is formed with one first frustum, first cone
The base area of platform is more than top surface area, and the top surface of first frustum corresponds to the upper surface of the stud, when stud is with docking
During head connection, first frustum is corresponded to and is connected in the taper type hole；Outside is provided with a step in the middle part of the butt joint；
The butt joint external rear face is equipped with external screw thread, the docking head-tail formed with one second frustum, second frustum
Base area is more than top surface area, and the bottom surface of second frustum connects the rear portion of the butt joint, set on second frustum
There is bulge loop；The butt joint is provided with second through hole for running through butt joint along axis direction；One is equipped with the lock of internal thread through hole
Swivel nut in tight；One locking external thread sleeve, the locking external thread sleeve are interconnected and fixed with swivel nut in locking, the step are limited to
In the locking between swivel nut and locking external thread sleeve；One extruding nut, the extruding nut front end face are equipped with internal thread hole, rear end
Face is equipped with the second taper type hole, the bottom surface coincidence correspondings with extruding nut back end face in the second taper type hole, top surface with it is described
Internal thread hole connects, and the top surface area in the second taper type hole is more than base area.
Preferably, it is equipped with flat bit architecture in the middle part of the butt joint.
Preferably, swivel nut is connected by screw fixation with locking external thread sleeve in the locking.
Preferably, the locking external thread sleeve is socketed in locking outside swivel nut.
Preferably, the screw is M4 pan head screws.
Preferably, swivel nut outer surface is provided with screw hole in the locking, the locking external thread sleeve outer surface be provided with
The through hole that the screw hole of swivel nut cooperates in the locking, the locking external thread sleeve are socketed in locking outside swivel nut and pass through spiral shell
Nail connection is fixed.
Preferably, the screw hole of swivel nut outer surface is two in the locking, the through hole of the locking external thread sleeve outer surface
For two.
Preferably, the finish of taper type hole inner wall reaches 1.6.
Preferably, the extruding nut is outer six square nuts.
Preferably, the stud, butt joint, extruding nut are prepared using red copper.
The advantageous effects of the utility model are：Above-mentioned sealed joint apparatus utilizes the first supporting taper type hole
With the first frustum, it is connected through a screw thread after carrying out locking extruding and seals.Compared with the traditional rubber circle Butt sealing of the prior art,
Compression seal is docked with the first frustum by the first taper type hole, sealing effect is good, service life length, and reliability is high；Secondly it is close
Sealing joint device is connected using internal and external threads rational in infrastructure, simple in structure, simple installation；Finally, sealed joint apparatus is true with taking out
Empty charger matching is versatile, has high practicality.
Brief description of the drawings
Fig. 1 is the exploded perspective figure of the utility model sealed joint apparatus.
Fig. 2 is the first dress cut-away view of the utility model sealed joint apparatus.
Fig. 3 is that the utility model sealed joint apparatus docks schematic diagram with SF6 Medium Voltage Switchgears.
Embodiment
To make those of ordinary skill in the art that the purpose of this utility model, technical solution and excellent be more clearly understood
Point, is further elaborated the utility model below in conjunction with drawings and examples.
As shown in Figure 1, 2, in some embodiments of the utility model, for connecting Medium Voltage Switchgear and vacuumizing inflation
The sealed joint apparatus of equipment includes：Swivel nut 2, butt joint 3, locking external thread sleeve 4, M4 pan head screws 5, extruding in stud 1, locking
Nut 6.The stud 1, butt joint 3, extruding nut 6 are that red copper material is prepared through finishing.
The end face of the stud 1 is upper surface 104, and other end is lower face 103.The stud 1 leads to structure in being,
The stud 1 is provided with a first through hole 101 along axis direction, and the first through hole 101 is by extending to 1 upper surface 104 of stud
First taper type hole 105 and extend to the cylinder hole of 1 lower face 103 of stud and form, the top surface in the first taper type hole 105 with
1 upper surface 104 of stud, which corresponds to, to be overlapped, and bottom surface seamlessly transits with cylinder hole and connects, and the top surface face in the first taper type hole 105
Product is more than base area.The finish of first taper type hole, 105 inner wall reaches 1.6.The periphery (outer surface) of the stud 1
Equipped with external screw thread 102.During assembling, lower face 103 and Medium Voltage Switchgear sealing welding, the first through hole 101 and the institute of stud 1
State and communicated inside the gas tank of Medium Voltage Switchgear.
One end of the butt joint 3 is front portion 107, and the other end is afterbody 114, is respectively between front portion 107 and afterbody 114
Middle part 109, rear portion 112.Structure is led in the butt joint 3 in being one, the butt joint 3 is provided with one through docking along axis direction
Second through hole 106 of head, second through hole 106 connect front portion 107, middle part 109, rear portion 112 and the afterbody of the butt joint 3
114.First taper type hole 105 corresponding first frustum 108 of 3 front portion 107 of butt joint formed with one with stud 1, institute
The outer wall surface finish of the first frustum 108 is stated up to 1.6.The base area of first frustum 108 is more than top surface area, described
The top surface of first frustum 108 corresponds to the upper surface 104 of the stud 1, when stud 1 is connected with butt joint 3, first frustum
108 correspondences are connected in the first taper type hole 105.The outside of middle part 109 of the butt joint 3 is provided with 110 He of a step
Flat bit architecture 111.3 rear portion of butt joint, 112 peripheral, outer surface is equipped with external screw thread 113, and 3 afterbody 114 of butt joint is formed
There are second frustum 115 docked with vacuumizing the extraction soft air pipe 7 of charger, the base area of second frustum 115
More than top surface area, the bottom surface of second frustum 115 connects the rear portion of the butt joint 3, and second frustum 115 is equipped with
Bulge loop 116.
Swivel nut 2 is equipped with internal thread in the locking, and the outer surface of swivel nut 2 is provided with two screw holes in the locking.Institute
State 4 outer surface of locking external thread sleeve and be provided with two through holes to cooperate with the screw hole of swivel nut 2 in the locking, the locking
External thread sleeve 4 is socketed in locking outside swivel nut 2 and is connected by M4 pan head screws 5 and fixed.
The extruding nut 6 is outer six square nuts, and extruding 6 front end face 117 of nut is equipped with internal thread hole 118, rear end
Face 120 is equipped with the second taper type hole 119, bottom surface and 6 rear end face of extruding nut, the 120 corresponding weight in the second taper type hole 119
Close, top surface is connected with the internal thread hole 118, and the top surface area in the second taper type hole 119 is more than base area.
The assembling of sealed joint apparatus is divided into two steps, first carries out the first dress of sealed joint apparatus, then by seal nipple
Device is docked with SF6 Medium Voltage Switchgears.
As shown in Figure 1 and Figure 2, the first dress process of sealed joint apparatus is as follows：The locking external thread sleeve 4 is inserted in butt joint 3
At 109 step 110 of middle part, it is outer and concordant with swivel nut 2 in the locking that front end 112 is socketed on swivel nut 2 in locking, in the locking
Two screw holes of 2 outer surface of swivel nut are corresponding with two through holes of 4 outer surface of the locking external thread sleeve respectively, then with 2
M4 pan head screws 5 will lock external thread sleeve 4 and be connected fastening with swivel nut 2 in locking, and the step 110 is limited to spiral shell in the locking
Between set 2 and locking external thread sleeve 4.So butt joint 3 can in external thread sleeve 4 is locked concentric rotational movement without departing from opening.Then
The extraction soft air pipe 7 for vacuumizing charger is inserted in extruding nut 6, draw soft air pipe 7 interface end 121 be inserted directly into it is described
3 afterbody of butt joint, 114 second frustum 115 simultaneously wraps up the bulge loop 116, then locking extruding nut 6.As locking extrudes nut
6, the glue wall 122 of the second taper type hole 119 inner wall extruding soft air pipe 7 of extruding nut 6 rear end 120, make glue wall 122 with it is described convex
Ring 116 is in close contact, and reaches and effect is fully sealed.Just dress step is simple, it is not necessary to and it is quick for installation using special tool(s), it is easy.
Complete after just filling, then sealed joint apparatus is docked with SF6 Medium Voltage Switchgears.
As shown in Figure 2,3, the process that sealed joint apparatus is docked with SF6 Medium Voltage Switchgears is as follows：By seal nipple
Swivel nut 2 is inserted on the stud 1 for being welded in SF6 Medium Voltage Switchgears 200 in the locking of device, and lock is tightened with one metal plate hand of opening metal plate hand
Tight external thread sleeve 4, meanwhile, then the flat position 111 that butt joint 3 is arranged at middle part 109 is blocked with another metal plate hand, rotation is screwed into process
In, butt joint 3 is will not be and then rotating, so avoid 105 inner wall of the first taper type hole bright and clean at Butt sealing with
First frustum, 108 outer wall causes gas leakage because of friction scratch.It is bright and clean soft tough at Butt sealing when locking external thread sleeve 4 is screwed into
105 inner wall of the first taper type of red copper hole and 108 outer wall of the first frustum are bonded to each other extruding, as locking pressure increase reaches
Sealing effect is in close contact completely.
The sealed joint apparatus of the present embodiment and vacuumize charger extraction soft air pipe 7 connection, using vacuumizing
The characteristic of the extraction soft air pipe 7 of charger, increase bulge loop 116 and the second taper type hole 119 for extruding 6 rear end 120 of nut, with
Locking extruding nut 6, the glue wall 122 of the second taper type hole 119 inner wall extruding soft air pipe 7 of 6 rear end 120 of extruding nut, reaches
To effect is fully sealed；The connection of sealed joint apparatus and SF6 Medium Voltage Switchgears 200, utilizes supporting bright and clean high-quality red copper
108 outer wall of first taper type hole, 105 inner wall and the first frustum, is connected through a screw thread after carrying out locking extruding and seals.With existing skill
The traditional rubber circle Butt sealing of art is compared, and compression seal, sealing effect are docked by bright and clean soft tough red copper taper type hole, frustum
Fruit is good, service life length, and reliability is high；Secondly sealed joint apparatus is connected using internal and external threads rational in infrastructure, simple in structure, peace
Dress is easy；Finally, sealed joint apparatus matches versatile with vacuumizing charger, has high practicality.
The above is only the preferred embodiment of the present invention, rather than limit in any form is done to the utility model
System.Those skilled in the art can impose various equivalent changes and improvement on the basis of above-described embodiment, all to be wanted in right
The equivalent variations done in the range of asking or modification, should all fall within the scope of protection of the utility model.
Claims (9)
1. a kind of sealed joint apparatus, it is characterised in that include：
One stud, the stud are provided with a first through hole along axis direction, and the first through hole is by extending to stud upper surface
First taper type hole and the cylinder hole composition for extending to stud lower face, top surface and the stud upper surface in the first taper type hole
Corresponding to overlap, bottom surface seamlessly transits with cylinder hole and connects, and the top surface area in the first taper type hole is more than base area；
A pair of joint, the butt joint front portion are more than top surface face formed with one first frustum, the base area of first frustum
Product, the top surface of first frustum corresponds to the upper surface of the stud, when stud is connected with butt joint, first frustum pair
It should be connected in the first taper type hole；Outside is provided with a step in the middle part of the butt joint；The docking back of head appearance
Face is equipped with external screw thread, and the docking head-tail is more than top surface face formed with one second frustum, the base area of second frustum
Product, the bottom surface of second frustum connect the rear portion of the butt joint, and second frustum is equipped with bulge loop；The butt joint edge
Axis direction is provided with second through hole for running through butt joint；
One is equipped with swivel nut in the locking of internal thread through hole；
One locking external thread sleeve, the locking external thread sleeve are interconnected and fixed with swivel nut in locking, the step are limited to described
In locking between swivel nut and locking external thread sleeve；
One extruding nut, the extruding nut front end face are equipped with internal thread hole, and rear end face is equipped with the second taper type hole, and described second
The bottom surface in taper type hole is corresponding with extruding nut back end face to be overlapped, and top surface is connected with the internal thread hole, and second frustum
The top surface area in shape hole is more than base area.
2. sealed joint apparatus as claimed in claim 1, it is characterised in that：Flat bit architecture is equipped with the middle part of the butt joint.
3. sealed joint apparatus as claimed in claim 1, it is characterised in that：Swivel nut passes through with locking external thread sleeve in the locking
Screw connection is fixed.
4. sealed joint apparatus as claimed in claim 3, it is characterised in that：The locking external thread sleeve is socketed on swivel nut in locking
Outside.
5. sealed joint apparatus as claimed in claim 3, it is characterised in that：The screw is M4 pan head screws.
6. sealed joint apparatus as claimed in claim 1, it is characterised in that：Swivel nut outer surface is provided with screw in the locking
Hole, the locking external thread sleeve outer surface are provided with the through hole to cooperate with the screw hole of swivel nut in the locking, the locking
External thread sleeve is socketed in locking outside swivel nut and is connected by screw fixation.
7. sealed joint apparatus as claimed in claim 5, it is characterised in that：The screw hole of swivel nut outer surface is in the locking
Two, the through hole of the locking external thread sleeve outer surface is two.
8. sealed joint apparatus as claimed in claim 1, it is characterised in that：The extruding nut is outer six square nuts.
9. sealed joint apparatus as claimed in claim 1, it is characterised in that：The stud, butt joint, extruding nut use
It is prepared by red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720639919.4U CN207268346U (en) | 2017-06-02 | 2017-06-02 | A kind of sealed joint apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720639919.4U CN207268346U (en) | 2017-06-02 | 2017-06-02 | A kind of sealed joint apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207268346U true CN207268346U (en) | 2018-04-24 |
Family
ID=61959583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720639919.4U Active CN207268346U (en) | 2017-06-02 | 2017-06-02 | A kind of sealed joint apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207268346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554538A (en) * | 2020-05-09 | 2020-08-18 | 贵州电网有限责任公司 | General type SF6 aerifys test joint |
-
2017
- 2017-06-02 CN CN201720639919.4U patent/CN207268346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554538A (en) * | 2020-05-09 | 2020-08-18 | 贵州电网有限责任公司 | General type SF6 aerifys test joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 518000, China Patentee after: Asia Electrical Power Equipment (Shenzhen) Co.,Ltd. Address before: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 518000, China Patentee before: ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |