CN106098458A - Anti-loose structure and use contact assembly and the chopper of this structure - Google Patents
Anti-loose structure and use contact assembly and the chopper of this structure Download PDFInfo
- Publication number
- CN106098458A CN106098458A CN201610467762.1A CN201610467762A CN106098458A CN 106098458 A CN106098458 A CN 106098458A CN 201610467762 A CN201610467762 A CN 201610467762A CN 106098458 A CN106098458 A CN 106098458A
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- China
- Prior art keywords
- face
- connector
- pushing tow
- coil spring
- canted coil
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Fuses (AREA)
Abstract
The present invention relates to a kind of anti-loose structure and use contact assembly and the chopper of this structure, to solve the problem that screw connection structure of the prior art easily loosens during circuit-breaker switching on-off.The anti-loose structure of the present invention is provided with canted coil spring between the first connector and the second connector, therefore during the first connector is screwed into the second connector, first pushing tow face or the second pushing tow face can extrude canted coil spring and make canted coil spring apply along axis away from the pretightning force of the second connector to the first connector along grafting direction (the i.e. first connector axial) compression of two connectors, pretightning force makes thread adaptive on the first connector and the second connector to fit and stings tight, serves the effect preventing the face that is screwed from getting loose.Canted coil spring advantageously ensures that and is provided with the stress everywhere of canted coil spring between first, second pushing tow face and deforms the most more uniform and can provide, to the first connector, the pretightning force being more uniformly distributed simultaneously, and anti-loosing effect is more preferable.
Description
Technical field
The present invention relates to a kind of anti-loose structure and use contact assembly and the chopper of this structure.
Background technology
Chopper, for cutting off the overload electric current and short circuit current produced when power system is broken down, is high-voltage switch gear
Most crucial parts, so electric life and mechanical life to chopper all have strict requirements.And in circuit-breaker switching on-off mistake
Cheng Zhong, deciliter speed between the dynamic and static contact of arc-chutes is exceedingly fast, and the most dynamic and static contact can be by great shock loading.
In prior art, the structure of contact assembly is all as it is shown in figure 1, include supporting 1, supports 1 and has be coaxially disposed interior
Cylinder a kind of second connector of section 11() and a kind of second connector of urceolus section 12(), after inner core section 11 and urceolus section 12 are passed through
End is fixing to be connected.The outer peripheral face of the rear end of urceolus section 12 is provided with the first external thread section 13, the outer peripheral face of the front end of inner core section 11
Being provided with the 3rd external thread section 14, the front end of urceolus section 11 is integrally installed with the first cylinder 2(a kind of second stretched forward even
Fitting), the outer peripheral face of the front end of the first cylinder 2 is provided with the second external thread section 21.Second a kind of first connector of cylinder 3()
Front end be provided with the first internal thread segment 31 for threadeding with the first external thread section 13 supporting 1 rear end.Support 1 and first
Cylinder the 2, second cylinder 3 together constitutes the matrix installed for contact (including main contact 4 and arcing contact 5).Main contact 4(that is one
Kind of the first connector) rear end offer in second threadeded with the second external thread section 21 of the first cylinder 2 front end
Thread segment 41, a kind of first connector of arcing contact 5() rear end offer for the 3rd external screw thread with inner core section 11 front end
Section 14 the 3rd threaded internal thread segment 51.Due to main contact 4 and first cylinder the 2, second cylinder 3 with support 1, arcing contact 5
It is all to use to threaded and form screw connection structure with supporting between 1, thus bigger in main contact 4 and arcing contact 5 stress
In the case of, the frictional force between screw thread pair may even disappear in reduction, and the frictional force reduction between screw thread pair may be such that first even
Contact resistance between fitting and the second connector is increased dramatically and is easily burnt out by connector, and between screw thread pair, frictional force disappears more
Being appropriate section to be caused to couple get loose, the operation safety of power system in serious threat.
Summary of the invention
It is an object of the invention to provide a kind of anti-loose structure to solve screw connection structure of the prior art in open circuit
The problem easily loosened during device divide-shut brake；The present invention also aims to provide use above-mentioned anti-loose structure contact assembly and
Chopper.
For achieving the above object, the technical scheme of the anti-loose structure of the present invention is:
Anti-loose structure, including the first connector and the second connector, the first connector is provided with the interior spiral shell extended along the longitudinal direction
Stricture of vagina, the second connector is provided with the external screw thread adaptive with described female thread, also includes that being arranged at the first connector and second connects
Canted coil spring between part, described first connector is provided with the first pushing tow of the leading flank for canted coil spring described in pushing tow
Face, the second connector is provided with the second pushing tow face of the trailing flank for canted coil spring described in pushing tow.
Described canted coil spring end to end and form loop configuration.
The periphery in described first pushing tow face is provided with the first end face, and the periphery in the second pushing tow face is provided with the second end face, the first end
Face protrudes from corresponding pushing tow face and arranges and make the first end face and the second end contact gear with at least one in the second end face
Only coordinate.
Described first connector, the second connector and canted coil spring are conductor.
Described first connector is the second cylinder, and described second connector is for supporting urceolus section.
On described second cylinder, the middle part in the first pushing tow face offers the through hole that axis extends along the longitudinal direction.
The technical scheme of the contact assembly of the present invention is:
Contact assembly, including matrix and the contact that is threadedly connected on matrix, the axle of the thread joint face between matrix and contact
Line extends along the longitudinal direction, also includes the canted coil spring being arranged between matrix and contact, and described matrix is provided with for pushing tow
First pushing tow face of the leading flank of described canted coil spring, canted coil spring is provided with the trailing flank for canted coil spring described in pushing tow
Second pushing tow face.
The periphery in described first pushing tow face is provided with the first end face, and the periphery in the second pushing tow face is provided with the second end face, the first end
Face protrudes from corresponding pushing tow face and arranges and make the first end face and the second end contact gear with at least one in the second end face
Only coordinate.
Described canted coil spring end to end and form loop configuration.
Described matrix includes inner core section and the urceolus section being coaxially disposed, and described contact includes being threadedly connected to urceolus section front end
Main contact and be threadedly connected to the arcing contact of inner core section front end.
The technical scheme of the chopper of the present invention is:
Chopper, including contact assembly, contact assembly includes matrix and the contact being threadedly connected on matrix, matrix and contact it
Between the axis of thread joint face extend along the longitudinal direction, also include the canted coil spring being arranged between matrix and contact, described
Matrix is provided with the first pushing tow face of the leading flank for canted coil spring described in pushing tow, and canted coil spring is provided with for described in pushing tow
Second pushing tow face of the trailing flank of canted coil spring.
The periphery in described first pushing tow face is provided with the first end face, and the periphery in the second pushing tow face is provided with the second end face, the first end
Face protrudes from corresponding pushing tow face and arranges and make the first end face and the second end contact gear with at least one in the second end face
Only coordinate.
Described canted coil spring end to end and form loop configuration.
Described matrix includes inner core section and the urceolus section being coaxially disposed, and described contact includes being threadedly connected to urceolus section front end
Main contact and be threadedly connected to the arcing contact of inner core section front end.
The invention has the beneficial effects as follows: the anti-loose structure of the present invention is provided with tiltedly between the first connector and the second connector
Coil spring, therefore during the first connector is screwed into the second connector, the first pushing tow face of the first connector or second is even
Second pushing tow face of fitting can extrude canted coil spring and make canted coil spring along the grafting direction of the first connector and the second connector
(the i.e. first connector axial) compression, the canted coil spring after compression opposite direction can be supplied to the first connector with edge
Axis away from the pretightning force of the second connector, spiral shell adaptive on the first connector and the second connector under the effect of this pretightning force
Tooth can be fitted and be stung tight, serves the effect preventing the face that is screwed from getting loose.Canted coil spring advantageously ensures that first, second simultaneously
It is provided with the stress everywhere of canted coil spring between pushing tow face and deformation is the most more uniform and can provide to the first connector and be more uniformly distributed
Pretightning force, anti-loosing effect is more preferable.
Further, the second end face of the first end face that the first pushing tow face of the present invention is peripheral and periphery, the second pushing tow face
In at least one protrude from respective top pushing surface arrange and make the first end face and the second end face can contact block cooperation.So
In the case of first connector of the present invention, the second connector and canted coil spring are conductor, not only canted coil spring energy is set
Increase the contact area in the face that is screwed of the first connector and the second connector and improve the electric conductivity in the face of being screwed, with
Time the first pushing tow face can electrically connect through canted coil spring with the second pushing tow face, the first end face and the second end face can directly electrically connect.
Accompanying drawing explanation
Fig. 1 is the structural representation of contact assembly of the prior art；
Fig. 2 be the chopper of the present invention an embodiment in the structural representation of contact assembly；
Fig. 3 is the part manuscript of canted coil spring in Fig. 2.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The specific embodiment of the chopper of the present invention, as shown in Figure 1 to Figure 3, including contact assembly, contact assembly includes propping up
Support 1 and be fixed on first cylinder the 2, second cylinder 3, main contact 4, arcing contact 5 and the spout 6 supported on 1.Support 1 and the second gas
Cylinder the 3, first cylinder 2 and main contact 4, support 1 are with arcing contact 5 and are conductively connected and form anti-loose structure.
Support the 1 hollow tubular structure extended along the longitudinal direction for axis, there is inner core section 11 He including being coaxially disposed
Urceolus section 12, the front end forwardly convex urceolus section 12 of inner core section 11 arranges and is provided with the 3rd external thread section 14, urceolus at its front end
The rear end of section 12 is provided with the first external thread section 13.The first cylinder 2 that axis extends along the longitudinal direction is arranged at urceolus section 12
Front side and the rear end face of the first cylinder 2 are fixedly installed with the front end face of urceolus section 12, and the diameter of the first cylinder 2 is more than urceolus section 12
Diameter and make the first cylinder 2 define the front end face for block the second cylinder 3 with the rear end face of the junction supporting 1
Rear stopping surface 24.First cylinder 2 is one-body molded with support 1 in this embodiment, and in other embodiments, the first cylinder 2 also may be used
With with support 1 employing and be welded to connect or the anti-loose structure of the present invention is connected.
First cylinder 2 includes two sections of hollow cylinder being coaxially disposed along its axis direction, after the diameter of conveyor front barrel 22 is less than
The diameter of cylinder 23 and make rear cylinder body 23 have the front end face 24 of the corresponding end-faces for block main contact.Before conveyor front barrel 22
Being provided with the second external thread section 21 at end, the rear end of main contact 4 is provided with for the second external thread section 21 spiral shell with the first cylinder 2 front end
The second internal thread segment 41 that stricture of vagina connects, when main contact 4 being screwed to the front end of the first cylinder 2, rear end face 42 meeting of main contact 4
Installation is pointed out to put in place by 24 blocks of front end face of rear cylinder body 23.For ensureing the second internal thread segment 41 and the second external thread section 21
Bonding strength, the rear end face of main contact 4 offers the second annular groove 43 with main contact coaxial line, and by spiral bullet
The canted coil spring 7 of the annular that spring joins end to end and formed is placed in the second annular groove 43.The manuscript of canted coil spring 7 such as Fig. 3
Shown in, it is and each circle all can be bent shaping by radially compressed helical spring 71 along the circular trace 72 shown in figure, then
End to end by helical spring 71 is fabricated by.The height of the second annular groove 43 is less than the height of canted coil spring 7, therefore will be main
During contact 4 screws loading the first cylinder 2, along with between rear end face 42 and the front end face 24 of rear cylinder body 23 of main contact 4
Reducing of axial distance, canted coil spring 7 can be compressed along the longitudinal direction, and provides pretightning force forward to main contact 4.Second ring
The bottom land of connected in star 43 defines the first pushing tow face for pushing tow canted coil spring 7, the rear cylinder coordinated with the second annular groove 43
The front end face of body 23 defines the second pushing tow face for pushing tow canted coil spring 7.Main contact 4 and under the effect of this pretightning force
Thread adaptive between one cylinder 2 can be fitted and be stung tight, has not only acted as the effect preventing the face that is screwed from getting loose and has more been to increase
It is screwed the contact area in face, is conducive to improving the electric conductivity in the face that is screwed.For improving further main contact 4 and the
Electric conductivity between one cylinder 2, canted coil spring 7 is conductor, therefore main contact 4 can be coordinated by mutual block with the first cylinder 2
End face realize be conductively connected.
The anti-untwisting that the anti-loose structure that second cylinder 3 is formed with urceolus section 12 is formed with the first cylinder 2 and main contact 4
Structure is similar to, and specifically the front end of the second cylinder 3 is provided with and threadeds for the first external thread section 13 with urceolus section 12 rear end
The first internal thread segment 31, offer the first annular groove for installing canted coil spring 7 at the front end face 32 of the second cylinder 3
33.Except that, load for ease of elastic fingertip 7 and be to ensure that canted coil spring 7 is along can radially side after front and back being compressed
To extension, first annular groove 33 is opened in the internal layer of the front end face of the second cylinder 3 and together with the through hole in the middle part of the second cylinder 3
Constitute counter bore structure.When using this structure, when canted coil spring is compressed along the axis direction of the first connector, canted coil spring
Will necessarily extend along the radial direction of the first connector, the canted coil spring radially extended further increases the first connection
Conductive contact area between part and the second connector, further increases the conduction between the first connector and the second connector
Performance.
The anti-loose structure that the anti-loose structure that arcing contact 3 and inner core section 11 are formed is formed with the first cylinder 2 and main contact 4
Similar, the rear end of arcing contact 5 offers spiral shell in the 3rd threadeded with the 3rd external thread section 14 of inner core section 11 front end
Stricture of vagina section 51.Offering the 3rd annular groove 15 for installing canted coil spring 7 on the front end face of urceolus section 12, arcing contact 5 has
For the rear end face 52 by the front end face institute block of outer cylinder body.
The order that above-mentioned contact assembly assembles is as follows: is first loaded by canted coil spring 7 and to offer on second cylinder 3 front end face
In first annular groove 33, then the second cylinder 3 is screwed in loading urceolus section 12 until the front end face of the second cylinder 3 is by the first gas
Till the rear stopping surface 24 of cylinder 2 is stopped；Secondly, load in the 3rd annular groove 15 of the front end face of urceolus section 12 and tiltedly enclose bullet
Arcing contact 5 is also screwed the front end being contained in inner core section 11 by spring 7；Again, spout 6 is welded in the conveyor front barrel of the first cylinder 2
Side-walls；In the second annular groove 43 of main contact 4 rear end, finally load canted coil spring 7 and main contact 4 is screwed by front
The front end loading the first cylinder 2 can complete the assembling to contact assembly.
In other embodiments: the porose form in middle part can also be made and in the first cylinder, support by supporting urceolus section
Inner core section and support urceolus Duan Shangshe female thread, correspondingly set and above-mentioned female thread on main contact, arcing contact and the second cylinder
Adaptive external screw thread, now the first cylinder, support inner core section and to support urceolus section be the first connector, main contact, arcing contact and
Second cylinder is the second connector；Can also offer corresponding with the second annular groove on the front end face of the rear cylinder body of the first cylinder
Annular groove, now have only to ensure the height sum height less than canted coil spring of corresponding two annular grooves.
Certainly, described annular groove can also save but use the mode such as gluing to be fixedly installed on end face by canted coil spring；Spiral
Also can have space between the head end of spring and tail end rather than connect, now the cross section of canted coil spring can be arc, curve
Other shapes such as shape.
The embodiment of contact assembly:
The concrete structure of the contact assembly of the present invention is identical with the concrete structure of contact assembly in the embodiment of chopper, specifically may be used
Referring to figs. 1 to Fig. 3, it is not described in detail in this.
The embodiment of anti-loose structure:
The concrete structure of the anti-loose structure of the present invention is identical with the concrete structure of anti-loose structure in the embodiment of chopper, specifically may be used
Referring to figs. 1 to Fig. 3, it is not described in detail in this.
Claims (10)
1. anti-loose structure, including the first connector and the second connector, the first connector is provided with extend along the longitudinal direction interior
Screw thread, the second connector is provided with the external screw thread adaptive with described female thread, it is characterised in that: also include being arranged at the first connection
Canted coil spring between part and the second connector, described first connector is provided with the leading flank for canted coil spring described in pushing tow
The first pushing tow face, the second connector is provided with the second pushing tow face of the trailing flank for canted coil spring described in pushing tow.
Anti-loose structure the most according to claim 1, it is characterised in that: the periphery in described first pushing tow face is provided with the first end
Face, the periphery in the second pushing tow face be provided with in the second end face, the first end face and the second end face at least one protrude from corresponding top
Pushing surface arranges and the first end face and the second end contact block is coordinated.
Anti-loose structure the most according to claim 1 and 2, it is characterised in that: described first connector, the second connector and tiltedly
Coil spring is conductor.
Anti-loose structure the most according to claim 1 and 2, it is characterised in that: described first connector is the second cylinder, described
Second connector is for supporting urceolus section.
Anti-loose structure the most according to claim 4, it is characterised in that: in the middle part in the first pushing tow face on described second cylinder
Offer the through hole that axis extends along the longitudinal direction.
6. contact assembly, including matrix and the contact that is threadedly connected on matrix, the thread joint face between matrix and contact
Axis extends along the longitudinal direction, it is characterised in that: also include the canted coil spring being arranged between matrix and contact, on described matrix
Being provided with the first pushing tow face of the leading flank for canted coil spring described in pushing tow, canted coil spring is provided with for tiltedly enclosing bullet described in pushing tow
Second pushing tow face of the trailing flank of spring.
Contact assembly the most according to claim 6, it is characterised in that: the periphery in described first pushing tow face is provided with the first end
Face, the periphery in the second pushing tow face be provided with in the second end face, the first end face and the second end face at least one protrude from corresponding top
Pushing surface arranges and the first end face and the second end contact block is coordinated.
Contact assembly the most according to claim 6, it is characterised in that: described canted coil spring end to end and form annular
Structure.
9. according to the contact assembly described in claim 6 or 7 or 8, it is characterised in that: described matrix includes the inner core being coaxially disposed
Section and urceolus section, described contact includes being threadedly connected to the main contact of urceolus section front end and being threadedly connected to the arc of inner core section front end
Contact.
10. chopper, it is characterised in that: include the contact assembly as according to any one of claim 6 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467762.1A CN106098458B (en) | 2016-06-24 | 2016-06-24 | Anti-loose structure and the contact assembly and breaker for using the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467762.1A CN106098458B (en) | 2016-06-24 | 2016-06-24 | Anti-loose structure and the contact assembly and breaker for using the structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106098458A true CN106098458A (en) | 2016-11-09 |
| CN106098458B CN106098458B (en) | 2019-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610467762.1A Active CN106098458B (en) | 2016-06-24 | 2016-06-24 | Anti-loose structure and the contact assembly and breaker for using the structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106098458B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108091518A (en) * | 2017-12-23 | 2018-05-29 | 中国西电电气股份有限公司 | A kind of high-voltage AC breaker and its arc-chutes and moving contact |
| CN108269711A (en) * | 2017-12-11 | 2018-07-10 | 河南平高电气股份有限公司 | A kind of static contact and static contact component, GIS disconnecting switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1021798A (en) * | 1996-06-28 | 1998-01-23 | Mitsubishi Electric Corp | Gas insulation switching device |
| CN104715965A (en) * | 2015-01-26 | 2015-06-17 | 山东泰开高压开关有限公司 | Long-electrical-life capacitor bank switch device for ultrahigh voltage engineering |
| CN105359242A (en) * | 2013-07-19 | 2016-02-24 | 株式会社日立制作所 | Gas circuit breaker |
-
2016
- 2016-06-24 CN CN201610467762.1A patent/CN106098458B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1021798A (en) * | 1996-06-28 | 1998-01-23 | Mitsubishi Electric Corp | Gas insulation switching device |
| CN105359242A (en) * | 2013-07-19 | 2016-02-24 | 株式会社日立制作所 | Gas circuit breaker |
| CN104715965A (en) * | 2015-01-26 | 2015-06-17 | 山东泰开高压开关有限公司 | Long-electrical-life capacitor bank switch device for ultrahigh voltage engineering |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108269711A (en) * | 2017-12-11 | 2018-07-10 | 河南平高电气股份有限公司 | A kind of static contact and static contact component, GIS disconnecting switch |
| CN108269711B (en) * | 2017-12-11 | 2019-08-23 | 河南平高电气股份有限公司 | A kind of static contact and static contact component, GIS disconnecting switch |
| CN108091518A (en) * | 2017-12-23 | 2018-05-29 | 中国西电电气股份有限公司 | A kind of high-voltage AC breaker and its arc-chutes and moving contact |
| CN108091518B (en) * | 2017-12-23 | 2019-03-19 | 中国西电电气股份有限公司 | A kind of high-voltage AC breaker and its arc-chutes and moving contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106098458B (en) | 2019-03-12 |
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