CN201315372Y - Small electric connecting device - Google Patents
Small electric connecting device Download PDFInfo
- Publication number
- CN201315372Y CN201315372Y CNU2008201499996U CN200820149999U CN201315372Y CN 201315372 Y CN201315372 Y CN 201315372Y CN U2008201499996 U CNU2008201499996 U CN U2008201499996U CN 200820149999 U CN200820149999 U CN 200820149999U CN 201315372 Y CN201315372 Y CN 201315372Y
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- China
- Prior art keywords
- spring
- guide ring
- cavity shape
- fingertip
- touch base
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- Expired - Lifetime
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Abstract
The utility model discloses a small electric connecting device, which is used for ensuring the reliable connection of a lightning arrester zinc oxide valve plate and a pot type insulator, can bear the current requirement of the lightning arrester during the action. The small electric connecting device comprises a contact base, spring contact fingers and a guide ring; the inner cavity of the contact base is provided with V-shaped positioning grooves for mounting the spring contact fingers, a square positioning groove for mounting the guide ring and a T-shaped bolt hole; and two spring contact fingers are embedded into two V-shaped grooves of the contact base in opposite rotating directions; the guide ring is embedded into the square groove of the contact base. By adopting the static contact design of double spring contact finger and using the characteristics that an insulated material is used for positioning the guide ring, the friction between a conducting bar and the contact base is reduced, and the like, as well as ensuring the uniform distribution of an electric field while ensuring effective connection of the zinc oxide valve plate and the conducting bar fixed on the pot type insulator, the utility model finally achieves the aims for reliable connection, capability of bearing the current requirement of the lightning arrester during the action, low cost and convenient mounting.
Description
Technical field
The utility model relates to and a kind ofly is used to ensure that the lightning arrester zinc oxide valve plate reliably is connected with disc insulator, and the little arrangements of electric connection of current requirements can tolerate the lightning arrester action time, belongs to high pressure conductive connecting device technical field.
Background technology
The used little arrangements of electric connection primary structure of present domestic lightning arrester conductive connection part branch (also can expand to the following grade High-Voltage Electrical Appliances of 220kV voltage current-carrying part) is to utilize the copper product fingertip of similar 3 types of dozens of to be installed on the touch base, again with two big elastic spring parcel fingertips, make it to become a circle, install a grading shield additional at outermost layer again, and use bolted, this scheme is because fingertip reaches tens, and touch base and spring touch finger all are to adopt brass to make, each spring touch finger is solid, electroplate, so cost is very high; And assemble also very difficult, must could assemble with special instrument, during assembling, want several spring touch fingers to be placed in the outer draw-in groove of touch base earlier, and put, make it with a hard spring, and then one by one with spring touch finger toward spring with touch between the draw-in groove and fill in, relatively difficulty and trouble, treat that spring touch finger is filled after, use again a frock with another spring housing on spring touch finger, require great effort very much, if do not have frock, shock mount has just more bothered, install spring after, grading shield is buckled on the spring touch finger, again the outside pine of the bolt that is screwed in advance on the touch base is passed grading shield, and just can finish, time-consuming effort again with grading shield one is flat.
Practical new shape content
The purpose of this utility model is to provide a kind of connection reliable, and the little arrangements of electric connection with low cost, easy for installation of the current requirements can tolerate the lightning arrester action time.
The technical solution of the utility model is: include only spring touch finger, guide ring, cavity shape touch base and tommyhead bolt hole, wherein, spring touch finger is improved to the coil component spring fingertip, be provided with the locating groove that the coil component spring fingertip is installed in the cavity shape touch base, the end that itself and contact rod join also is provided with the guide ring locating groove, and coil component spring fingertip and guide ring are placed in the interior corresponding locating groove of cavity shape touch base.
Described cavity shape touch base adopts the aluminium bar material, and silver-plated with the contact-making surface that links to each other with zinc oxide valve plate on its locating groove surface that coil component spring fingertip is installed.
Described coil component spring fingertip is formed by the good bar-spring coiling of conduction, the spring electroplate, and its cross section is oval, during installation, what rotation direction was opposite is inlaid in the interior locating groove of cavity shape touch base.
Described guide ring is the circular configuration with the abrasion-proof insulating material, and its cross section is square.
The locating groove of mounting spring fingertip is a V-arrangement in the described cavity shape touch base, and the bottom is a circular arc, and the V-arrangement angle should be complementary with the ovality of spring touch finger.
The locating groove that guide ring is installed in the described cavity shape touch base for the guide ring cross section be complementary square.
The utility model adopts the standard aluminum bar to do touch base, and outward appearance is succinct, and cheap practical, the touch base inner chamber adopts V-arrangement location notch and tommyhead bolt hole, adds that the electroplate of conducting surface is handled, and can guarantee that spring touch finger contacts with the good of touch base; The ellipsoidal structure that spring touch finger adopts the good special material of conduction to make has effectively connected contact rod and touch base; Be fixed on the guide ring in the location notch,, when guaranteeing the travel track of contact rod, avoided the friction between contact rod and the touch base by effective size and abrasion-proof insulating material, and the metal dust that can not drop, can avoid destroying electric field.
By top design, guaranteed that zinc oxide valve plate effectively is connected with contact rod on being fixed on disc insulator, guaranteed the even distribution of electric field simultaneously, compare with little arrangements of electric connection popular on the market, under the prerequisite that guarantees the effective current circulation, realized that cost is low, in light weight, be convenient to characteristics such as installation.
Description of drawings
Fig. 1 is former little arrangements of electric connection schematic diagram;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the utility model scheme of installation;
Fig. 4 is the structural representation of coil component spring fingertip;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the structural representation of guide ring;
Fig. 7 is the B-B cutaway view of Fig. 6.
Embodiment
Fig. 1 is former little arrangements of electric connection schematic diagram; Wherein 1, grading shield, 2, the solid spring touch finger of similar 3 shapes, 3, the common spring of the spring touch finger that is locked, 4,5, the fixing bolt and spring washer sheet of grading shield, 6, cavity shape touch base, 7, the tommyhead bolt hole, 8, the contact rod of disc insulator;
Label among Fig. 2～Fig. 7: 9, coil component spring fingertip, 10 square guide rings, 11, interior hexangular cylindrical bolt, 12, circular plain cushion, 13, spring washer.
Fig. 1 is former little arrangements of electric connection schematic diagram; Comprise grading shield 1, the solid spring touch finger 2 of similar 3 shapes, two common springs 3, bolt 4 and spring shim 5, cavity shape touch base 6 and tommyhead bolt hole 7, wherein, the solid spring touch finger of similar 3 shapes is inserted in cavity shape touch base 6 draw-in groove outward, two common springs 3 are locked behind the spring touch finger 2, after being buckled in grading shield 1 on the spring touch finger, with bolt 4 and spring shim 5 grading shield is fixed on the touch base 6 again, this scheme is because spring touch finger reaches 28, and touch base and spring touch finger all are to adopt brass to make, each spring touch finger is solid, electroplate is so cost is very high; And assemble also very difficult, must could assemble with special instrument, during assembling, want earlier several spring touch fingers to be placed in the outer draw-in groove of touch base, and put with a hard spring 3, make it, and then one by one with all the other spring touch fingers toward spring with touch between the draw-in groove and fill in, compare difficulty and trouble, after treating that spring touch finger is filled, with a frock another spring 3 is enclosed within on the spring touch finger again, very effort, if do not have frock, the shock mount fingertip has just more bothered, and after spring touch finger installs, grading shield is buckled on the spring touch finger, again the outside pine of the bolt that is screwed in advance on the touch base is passed grading shield, and just can finish with grading shield one is flat, therefore, former little arrangements of electric connection is waste material not only, and during installation fee, effort is badly in need of improving.
Fig. 2 is a structural representation of the present utility model, include only spring touch finger 9, guide ring 10, cavity shape touch base 6 and tommyhead bolt hole 7, wherein, spring touch finger is improved to the coil component spring fingertip, be provided with the locating groove that the coil component spring fingertip is installed in the cavity shape touch base, the end that itself and contact rod join also is provided with the guide ring locating groove, and coil component spring fingertip and guide ring are placed in the interior corresponding locating groove of cavity shape touch base.
Described cavity shape touch base adopts the aluminium bar material, be easy to draw materials, conductivity is also very good, the relative copper material of cost is low, the touch base outer surface directly is processed into slick and sly excessive face, need not refill grading shield, and silver-plated on its locating groove surface that coil component spring fingertip is installed with the contact-making surface that links to each other with zinc oxide valve plate, further increased conductivity.
Described coil component spring fingertip is formed by the good bar-spring coiling of conduction, the spring electroplate, its cross section is oval, during installation, what rotation direction was opposite is inlaid in the interior locating groove of cavity shape touch base, and the coil component spring fingertip adopts elasticity and the reasonable beryllium-bronze of toughness to make, can effectively contact contact rod and guarantee through-current capability, rotation direction is opposite installs is in order to guarantee that contact rod inserts when installing, and contact rod and spring touch finger can better keep in touch, the assurance through-current capability.
Described guide ring is the circular configuration with the abrasion-proof insulating material, and its cross section is square, and guide ring adopts polytetrafluoroethylsteel steel bar, and is wear-resisting, when guide ring inserts touch base, can not produce metal fragment and the metal dust that drops, and can avoid destroying electric field.
The locating groove of mounting spring fingertip is a V-arrangement in the described cavity shape touch base, the bottom is a circular arc, and the ovality of V-arrangement angle and spring touch finger is complementary, and has guaranteed that spring touch finger contacts with the good of touch base, the processing of matched size and electroplate has guaranteed the good circulation of electric current.
The locating groove that guide ring is installed in the described cavity shape touch base for the guide ring cross section be complementary square.
When little arrangements of electric connection device is assembled, only need in two V-arrangement location notchs that are installed in touch base that two coil component spring fingertip rotation directions is opposite, and then guide ring is placed in the outmost square location notch gets final product, without any need for frock, do not have difficulty, assemble very fast.
Fig. 2 is the utility model scheme of installation, the main effect of little arrangements of electric connection device is to guarantee that zinc oxide valve plate effectively is connected with contact rod above being fixed on disc insulator, simultaneously little arrangements of electric connection the electric current that can pass through need of work can satisfy lightning arrester and move the time.
The main effect of little arrangements of electric connection is exactly to guarantee that electric current is effectively through-flow, so must guarantee when installing that contact is good, at first circular plain cushion 12, spring washer 13, interior hexagonal cylinder head bolt 11 are passed the tommyhead bolt hole 7 of touch base 6, little arrangements of electric connection is fastened on the end face that zinc oxide valve plate contacts with it by bolt 11; At opposite side, contact rod 8 above the disc insulator enters the inside cavity of touch base 6 by the accurate location of guide ring 10, and tightly suppress two coil component spring fingertips 9, make it to guarantee that two spring touch fingers 9 can both contact with contact rod 8 well, coil component spring fingertip 9 is made by the satisfactory beryllium-bronze of through-current capability, can satisfy through-flow requirement.
Hexangular cylindrical bolt 11 is fixing in the fixedly employing between little arrangements of electric connection and the zinc oxide valve plate, connection request is coaxial to the heart up and down, so the position one of bolt fixes on the center line of little arrangements of electric connection and zinc oxide valve plate, in addition, consider the distribution of high-pressure side electric field, little arrangements of electric connection outer surface is smooth, so the outer surface of touch base 6 adopts smooth transition; The interface position of little arrangements of electric connection and contact rod adopts guide ring 10 location to add protection, can prevent that the metal dust that causes because of friction when mounted from coming off.
Fig. 3 is the structural representation of spring touch finger, and Fig. 4 is the A-A cutaway view of Fig. 3, and the coil component spring that spring touch finger adopts elasticity and the reasonable beryllium-bronze of toughness to make can effectively contact contact rod and guarantee through-current capability
Fig. 5 is the structural representation of guide ring, and Fig. 6 is the B-B cutaway view of Fig. 5, and guide ring adopts polytetrafluoroethylsteel steel bar, and smooth abrasion-proof is beneficial to the installation of contact rod, and can not produce metal fragment.
Design and guarantee the characteristics of contact rod positioning function with the insulating material guide ring by the quiet contact of top employing Double Circle spring touch finger, guaranteed that zinc oxide valve plate is connected with the effective of contact rod on being fixed on disc insulator, guaranteed the even distribution of electric field simultaneously, the utility model has finally been reached connect reliably, and the current requirements in the time of can tolerating the lightning arrester action, and purpose with low cost, easy for installation.
Lightning arrester is inner to be connected the conduction the utility model except that being used for, but also expanded application is conducted electricity in the connection of the following grade High-Voltage Electrical Appliances of 220kV voltage current-carrying part.
Claims (6)
1, a kind of little arrangements of electric connection, comprise grading shield, spring touch finger, common spring, bolt, spring shim, cavity shape touch base and tommyhead bolt hole, wherein, spring touch finger is the solid copper material fingertip of similar 3 shapes, the dozens of spring touch finger is inserted in the outer draw-in groove of cavity shape touch base, after grading shield is buckled on the spring touch finger, again with two spring parcel fingertips, make it to become a circle, install grading shield additional at outermost layer again, and use bolt, spring shim is fastening, it is characterized in that: include only spring touch finger, guide ring, cavity shape touch base and tommyhead bolt hole, wherein, spring touch finger is improved to the coil component spring fingertip, be provided with the locating groove that the coil component spring fingertip is installed in the cavity shape touch base, the end that itself and contact rod join also is provided with the guide ring locating groove, and coil component spring fingertip and guide ring are placed in the interior corresponding locating groove of cavity shape touch base.
2, according to the described little arrangements of electric connection of claim 1, it is characterized in that: described cavity shape touch base adopts the aluminium bar material, and silver-plated with the contact-making surface that links to each other with zinc oxide valve plate on its locating groove surface that coil component spring fingertip is installed.
3, according to the described little arrangements of electric connection of claim 1, it is characterized in that: described coil component spring fingertip is formed by the good bar-spring coiling of conduction, the spring electroplate, and its cross section is oval, during installation, what rotation direction was opposite is inlaid in the interior locating groove of cavity shape touch base.
4, according to the described little arrangements of electric connection of claim 1, it is characterized in that: described guide ring is the circular configuration with the abrasion-proof insulating material, and its cross section is square.
5, according to claim 1 or 3 described little arrangements of electric connections, it is characterized in that: the locating groove of mounting spring fingertip is a V-arrangement in the described cavity shape touch base, and the bottom is a circular arc, and the ovality of V-arrangement angle and spring touch finger is complementary.
6, according to claim 1 or 4 described little arrangements of electric connections, it is characterized in that: the locating groove that guide ring is installed in the described cavity shape touch base for the guide ring cross section be complementary square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201499996U CN201315372Y (en) | 2008-10-27 | 2008-10-27 | Small electric connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201499996U CN201315372Y (en) | 2008-10-27 | 2008-10-27 | Small electric connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201315372Y true CN201315372Y (en) | 2009-09-23 |
Family
ID=41127172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201499996U Expired - Lifetime CN201315372Y (en) | 2008-10-27 | 2008-10-27 | Small electric connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201315372Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394289A (en) * | 2017-08-04 | 2017-11-24 | 桂林航天电子有限公司 | A kind of contact system of battery protection switch |
| CN110690619A (en) * | 2019-10-08 | 2020-01-14 | 江苏开开电缆有限公司 | Bending-resistant data transmission line |
-
2008
- 2008-10-27 CN CNU2008201499996U patent/CN201315372Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394289A (en) * | 2017-08-04 | 2017-11-24 | 桂林航天电子有限公司 | A kind of contact system of battery protection switch |
| CN110690619A (en) * | 2019-10-08 | 2020-01-14 | 江苏开开电缆有限公司 | Bending-resistant data transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PINGGAO ELECTRIC CO., LTD., HENAN Free format text: FORMER OWNER: PINGGAO GROUP CO., LTD. Effective date: 20131223 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131223 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: Pinggao Electric Co., Ltd., Henan Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090923 |
|
| CX01 | Expiry of patent term |