CN211655077U - Copper-aluminum special-shaped parallel groove clamp - Google Patents
Copper-aluminum special-shaped parallel groove clamp Download PDFInfo
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- CN211655077U CN211655077U CN202020472579.2U CN202020472579U CN211655077U CN 211655077 U CN211655077 U CN 211655077U CN 202020472579 U CN202020472579 U CN 202020472579U CN 211655077 U CN211655077 U CN 211655077U
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Abstract
The utility model relates to the technical field of electric power fitting, a copper aluminium abnormal shape parallel groove clamp is disclosed, it includes apron, bottom plate and is used for connecting the bolt assembly of apron and bottom plate, the apron all is equipped with copper arc wall and aluminium arc wall with the bottom plate terminal surface that is close to each other, be connected with the copper sheet in the copper arc wall, the terminal surface integrated into one piece that the copper sheet is close to the copper arc wall has two at least locating pieces, the copper arc wall is kept away from and is equipped with the constant head tank that equals with the locating piece quantity and can supply each locating piece to stretch into respectively on its open-ended inner wall, the locating piece is fixed through the fastener after stretching into the constant head tank close to it; and one end of the inner wall of the copper arc-shaped groove, which is close to the opening, is fixedly provided with a spring sheet used for limiting the copper sheet to move out of the copper arc-shaped groove. The utility model discloses have the effect that can effectively reduce the risk of droing of copper sheet, wire stability are high.
Description
Technical Field
The utility model belongs to the technical field of the technique of electric power fitting and specifically relates to a copper aluminium abnormal shape parallel groove clamp is related to.
Background
As is well known, in the connection of power wires, the power transmission capability of the wires is often continued by means of transition from aluminum wires to copper wires, so copper-aluminum special-shaped parallel groove clamps are produced at the same time.
In the prior art, chinese patent No. CN201146251Y discloses a copper-aluminum profile parallel groove clamp, wherein two parallel arc wire grooves are respectively arranged on the upper cover and the lower bottom of the clamp, and the copper sheet layer of the arc wire groove is connected with the aluminum body to form a brazing structure. During connection, the copper wire is clamped in the copper wire groove, and the aluminum wire is clamped in the aluminum wire groove, so that the copper wire and the aluminum wire can be connected with each other. Because of the adoption of the brazing process of the novel brazing filler metal, the wire clamp has the advantages of convenience in welding operation, good wettability, high joint strength and no corrosiveness, and can firmly and fixedly connect the copper sheet layer and the aluminum body together, so that the efficiency of electric power transmission is improved.
The above prior art solutions have the following drawbacks: the copper sheet layer and the aluminium body of circular arc wire casing are connected through brazing, and the welding process degree of difficulty of brazing is big, and difficult the avoiding can make copper sheet layer and aluminium body have the clearance during the operation. The copper-aluminum special-shaped parallel groove clamp is generally applied outdoors, environmental factors such as outdoor rainwater, humidity, thunder and lightning and wind sand easily cause the copper sheet layer to be oxidized and fall off through a gap between the copper sheet layer and the aluminum body, so that the stability of a clamped wire is reduced and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a copper aluminium abnormal shape parallel groove clamp, it has the effect that can effectively reduce the risk of droing of copper sheet, wire stability are high to prior art exists not enough, the utility model aims at providing a copper aluminium abnormal shape parallel groove clamp.
The above object of the present invention can be achieved by the following technical solutions: a copper-aluminum special-shaped parallel groove clamp comprises a cover plate, a bottom plate and a bolt assembly used for connecting the cover plate and the bottom plate, wherein the end surfaces, close to each other, of the cover plate and the bottom plate are respectively provided with a copper arc-shaped groove and an aluminum arc-shaped groove; and one end of the inner wall of the copper arc-shaped groove, which is close to the opening, is fixedly provided with a spring sheet used for limiting the copper sheet to move out of the copper arc-shaped groove.
Through adopting above-mentioned technical scheme, during the installation copper sheet, impress the copper sheet earlier from the opening of copper arc wall for in the locating piece embedding rather than close constant head tank, rethread fastener makes the locating piece fixed, thereby make the copper sheet fix in the copper arc wall, the shell fragment plays the effect that the restriction copper sheet shifted out the copper arc wall, difficult and the separation of copper arc wall when the copper sheet is oxidized or the fastener pine takes off because of the solarization and rain, thereby make the difficult pine of copper line of centre gripping between two copper arc walls take off, the stability of wire is high. In addition, the positioning block is matched with the positioning groove, so that the connection area of the copper sheet and the cover plate or the base plate is increased, the copper sheet can be prevented from moving relative to the cover plate or the base plate after being installed in place, and the stability of the copper sheet is further improved.
The utility model discloses further set up to: the positioning groove is provided with a positioning groove, the positioning groove is provided with a positioning hole, the positioning groove is provided with an opening, the positioning groove is provided with a positioning hole, the positioning hole is provided with a positioning screw hole, and the positioning screw hole is arranged on the positioning groove.
By adopting the technical scheme, after the positioning block extends into the positioning groove close to the positioning block, the fastening bolt penetrates through the fastening hole and is in threaded connection with the fastening screw hole, so that the positioning block and the copper sheet are fixed, the operation is convenient, and the connection strength is high; and the copper sheet can be dismantled with apron and bottom plate, makes things convenient for people to change new copper sheet when the copper sheet oxidation is impaired, has prolonged the life of fastener.
The utility model discloses further set up to: and a rubber ring is fixed on the inner wall of the positioning groove.
Through adopting above-mentioned technical scheme, the rubber circle can receive the pressure and produce deformation when the locating piece stretches into the constant head tank, and then presss from both sides tight locating piece and shifts out the constant head tank in order to restrict it, plays preliminary fixed locating piece's effect, makes things convenient for people to twist and moves fastening bolt.
The utility model discloses further set up to: the end surface of the elastic sheet close to the opening of the copper arc-shaped groove is a convex arc surface.
Through adopting above-mentioned technical scheme, can earlier slide to the copper arc wall with protruding cambered surface contact and under the guide effect of protruding cambered surface when the copper sheet stretches into the copper arc wall, protruding cambered surface plays the effect of direction, is favorable to the copper sheet to stretch into in the copper arc wall.
The utility model discloses further set up to: the convex arc surface is positioned in the copper arc groove and does not exceed the cover plate or the bottom plate.
Through adopting above-mentioned technical scheme, apron and bottom plate are connected the back that targets in place, and the convex arc face can not bulge in apron or bottom plate and make and form the clearance between the two to make the difficult pine of copper line and the aluminium wire of centre gripping between two aluminium arc walls of centre gripping between two copper arc walls take off.
The utility model discloses further set up to: the middle parts of the cover plate and the bottom plate are respectively provided with a yielding hole, and the bolt assembly comprises a connecting bolt simultaneously penetrating through the two yielding holes and a connecting nut in threaded connection with the end part of the connecting bolt; the connecting bolt is sleeved with two transition pieces which are respectively abutted to one side of the cover plate and one side of the base plate far away from each other, and the two transition pieces are respectively provided with a concave arc surface which is attached to the cover plate or the base plate.
Through adopting above-mentioned technical scheme, when connecting apron and bottom plate, align the hole of stepping down on apron and the bottom plate earlier, pass two holes of stepping down and transition piece back with coupling nut threaded connection with coupling bolt again to make coupling bolt's head and coupling nut press from both sides tight apron and bottom plate. The concave cambered surface of the transition piece is completely attached to the cover plate or the base plate, so that the contact area between the transition piece and the cover plate or the base plate is increased, and the pressure of the connecting bolt and the connecting nut on the cover plate and the base plate is dispersed.
The utility model discloses further set up to: the connecting bolt is sleeved with two spring gaskets, and the two spring gaskets are respectively positioned between the head of the connecting bolt and the transition piece close to the connecting nut.
Through adopting above-mentioned technical scheme, the spring shim can prevent that connecting bolt and coupling nut are not hard up because of vibrations, has improved connecting bolt and coupling nut's joint strength.
The utility model discloses further set up to: the end face, far away from the positioning block, of the copper sheet is provided with a plurality of anti-skidding grooves distributed along the length direction of the copper sheet.
Through adopting above-mentioned technical scheme, the anti-skidding groove has increased the frictional force of copper line and copper sheet for the copper line is difficult for relative copper sheet removal.
The utility model discloses further set up to: the two opposite end faces of the cover plate are respectively provided with an extension block and an extension groove, the inner wall of the extension groove far away from the bottom plate is provided with a fixing hole, the end face of the extension block far away from the bottom plate is provided with a fixing screw hole, and a fixing bolt in threaded connection with the fixing screw hole penetrates through the fixing hole.
Through adopting above-mentioned technical scheme, people can stretch into the extension groove on another apron with the extension piece on one of them apron, pass fixing bolt behind the fixed orifices with fixed screw threaded connection again to realize the concatenation of two fastener, make things convenient for the longer wire of centre gripping length.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the copper sheet is installed, firstly, the copper sheet extends into the copper arc-shaped groove, the positioning block extends into the positioning groove close to the positioning groove, and then the fastening bolt penetrates through the fastening hole and is in threaded connection with the fastening screw hole, so that the positioning block and the copper sheet are fixed; the elastic sheet is positioned at the opening of the copper arc-shaped groove, so that the copper sheet can be limited from being separated from the copper arc-shaped groove, the copper sheet is not easy to fall off when being oxidized due to the influence of external environment, and the stability of the lead is high;
2. the transition piece increases the contact area of the head of the connecting bolt, the cover plate, the connecting nut and the bottom plate, and plays a role in dispersing the pressure of the connecting bolt and the connecting nut on the cover plate or the bottom plate; the spring washer has the effect of preventing the connecting bolt and the connecting nut from loosening;
3. people can stretch the extension block in one of the wire clamps into the extension groove in the other wire clamp, and then the fixing bolt penetrates through the fixing hole and is in threaded connection with the fixing screw hole, so that the splicing of the two wire clamps is realized, and the wire with longer clamping length is conveniently clamped.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an exploded view of the present embodiment;
fig. 3 is an exploded view of the bolt assembly and the fixing bolt of the present embodiment removed.
Reference numerals: 1. a cover plate; 11. an extension block; 111. fixing screw holes; 12. an extension groove; 121. a fixing hole; 13. fixing the bolt; 2. a base plate; 3. a bolt assembly; 31. a connecting bolt; 32. a connecting nut; 33. a transition piece; 331. a concave arc surface; 34. a spring washer; 4. a copper arc-shaped groove; 41. positioning a groove; 42. a rubber ring; 43. a fastening hole; 5. an aluminum arc-shaped groove; 6. a copper sheet; 61. an anti-slip groove; 62. positioning blocks; 621. fastening screw holes; 7. a hole of abdication; 8. fastening a bolt; 9. a spring plate; 91. a convex cambered surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses a copper-aluminum special-shaped parallel groove clamp, as shown in fig. 1 and 2, the copper-aluminum special-shaped parallel groove clamp comprises a cover plate 1, a bottom plate 2 and a bolt assembly 3, wherein the cover plate 1 is located on the upper side of the bottom plate 2, and the bolt assembly 3 is used for connecting the cover plate 1 and the bottom plate 2. The cover plate 1 and the bottom plate 2 are close to the end faces of each other and are provided with a copper arc-shaped groove 4 and an aluminum arc-shaped groove 5, wherein the copper arc-shaped groove 4 on the cover plate 1 is positioned right above the copper arc-shaped groove 4 on the bottom plate 2, the aluminum arc-shaped groove 5 on the cover plate 1 is positioned right above the aluminum arc-shaped groove 5 on the bottom plate 2, copper sheets 6 can be detachably connected in the two copper arc-shaped grooves 4, and the copper sheets 6 are distributed with a plurality of anti-skidding grooves 61 along the length direction of the end faces of the openings of the. During the use, copper line centre gripping is in two copper arc wall 4, aluminium line centre gripping in two aluminium arc wall 5 to realize the transition of aluminium line to copper line, antiskid groove 61 has increased the frictional force of copper line and copper sheet 6, plays skid-proof effect.
As shown in fig. 1 and 2, the bolt assembly 3 includes a connecting bolt 31 and a connecting nut 32 screwed on the end of the connecting bolt 31, the middle portions of the cover plate 1 and the bottom plate 2 are both provided with a yielding hole 7, and the connecting bolt 31 penetrates through the two yielding holes 7 simultaneously. After the lead is placed in place, the connecting bolt 31 penetrates through the two abdicating holes 7 and then is in threaded connection with the connecting nut 32, so that the head of the connecting bolt 31 and the connecting nut 32 clamp the lead, and the stability of the lead is high.
As shown in fig. 1 and 2, the connecting bolt 31 is sleeved with two transition pieces 33 and two spring washers 34, the two transition pieces 33 are respectively abutted to the sides of the cover plate 1 and the base plate 2 away from each other, the end faces of the two transition pieces 33 close to each other are both provided with concave arc faces 331, and the concave arc faces 331 are completely attached to the cover plate 1 or the base plate 2, so that the effect of dispersing the pressure of the bolt assembly 3 on the cover plate 1 and the base plate 2 is achieved. The two spring washers 34 are respectively located on the sides of the two transition pieces 33 away from each other, and one of the spring washers 34 abuts against the head of the connecting bolt 31, and the other spring washer 34 abuts against the connecting nut 32. The spring washer 34 can effectively prevent the connecting bolt 31 and the connecting nut 32 from loosening, and the connecting strength of the cover plate 1 and the bottom plate 2 is improved.
As shown in fig. 2 and 3, two positioning blocks 62 are integrally formed on the end surface of the copper sheet 6 close to the copper arc-shaped groove 4, two positioning grooves 41 are formed on the inner wall of the copper arc-shaped groove 4 far away from the opening of the copper arc-shaped groove, the two positioning blocks 62 can respectively extend into the two positioning grooves 41, the positioning blocks 62 are fixed through fasteners after extending into the positioning grooves 41, and a rubber ring 42 is fixed on the inner wall of the positioning grooves 41. The inner wall of the positioning groove 41 far away from the opening is provided with a fastening hole 43, the fastening piece comprises a fastening bolt 8 penetrating the fastening hole 43, the end face of the positioning block 62 far away from the copper sheet 6 is provided with a fastening screw hole 621, and the fastening bolt 8 is in threaded connection with the fastening screw hole 621. When the copper sheet 6 is installed, the copper sheet 6 firstly extends into the copper arc-shaped groove 4, the positioning block 62 is embedded into the positioning groove 41 close to the positioning block, and then the fastening bolt 8 penetrates through the fastening hole 43 and then is in threaded connection with the fastening screw hole 621, so that the positioning block 62 and the copper sheet 6 are fixed, and the copper sheet 6 is not easy to be oxidized and fall off due to external factors such as sun and rain.
As shown in fig. 2 and 3, two elastic pieces 9 are fixed on one end of the inner wall of the copper arc-shaped groove 4 close to the opening, and the two elastic pieces 9 are respectively located at two ends of the copper arc-shaped groove 4. The end surface of the elastic sheet 9 close to the opening of the copper arc-shaped groove 4 is a convex arc surface 91, and the convex arc surface 91 is positioned in the arc-shaped groove and does not exceed the cover plate 1 or the bottom plate 2. When the copper sheet 6 extends into the copper arc-shaped groove 4, the copper sheet 6 is firstly contacted with the convex arc surface 91 of the elastic sheet 9, so that the elastic sheet 9 is deformed and the copper sheet 6 can move into the copper arc-shaped groove 4; after the copper sheet 6 abuts against the inner wall of the copper arc-shaped groove 4, the elastic sheet 9 can reset under the action of the elastic force of the elastic sheet and abut against one side, close to the opening of the copper arc-shaped groove 4, of the copper sheet 6, so that the copper sheet 6 is limited to move out of the copper arc-shaped groove 4.
As shown in fig. 2 and 3, two opposite end faces of the cover plate 1 are respectively provided with an extension block 11 and an extension groove 12, the extension block 11 and the cover plate 1 are integrally formed, the inner wall of the extension groove 12 away from the base plate 2 is provided with a fixing hole 121, the end face of the extension block 11 away from the base plate 2 is provided with a fixing screw hole 111, and a fixing bolt 13 in threaded connection with the fixing screw hole 111 penetrates through the fixing hole 121. When two wire clamps are spliced, the extension block 11 on one wire clamp extends into the extension groove 12 on the other wire clamp, and then the fixing bolt 13 penetrates through the fixing hole 121 and then is in threaded connection with the fixing screw hole 111, so that the extension block 11 is fixed, and a wire with a long clamping length is conveniently clamped.
The implementation principle of the embodiment is as follows: during installation copper sheet 6, press in copper sheet 6 from the opening of copper arc wall 4 earlier, make locating piece 62 embedding rather than close constant head tank 41 in, shell fragment 9 deformation resets the back butt on copper sheet 6, pass fastening hole 43 back with fastening bolt 8 again and fastening screw 621 threaded connection, thereby realize locating piece 62 and copper sheet 6 fixed, make copper sheet 6 difficult and the separation of copper arc wall 4 after the oxidation because of the solarization and rain, the difficult pine of copper line of centre gripping between two copper arc walls 4 takes off, the stability of wire is high.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a copper aluminium abnormal shape parallel groove clamp, includes apron (1), bottom plate (2) and is used for bolt assembly (3) of connecting apron (1) and bottom plate (2), apron (1) and bottom plate (2) are close to terminal surface each other and all are equipped with copper arc wall (4) and aluminium arc wall (5), be connected with copper sheet (6), its characterized in that in copper arc wall (4): the end face, close to the copper arc-shaped groove (4), of the copper sheet (6) is integrally provided with at least two positioning blocks (62), the inner wall, far away from the opening, of the copper arc-shaped groove (4) is provided with positioning grooves (41) which are equal in number to the positioning blocks (62) and can be respectively used for the positioning blocks (62) to extend into, and the positioning blocks (62) extend into the positioning grooves (41) close to the positioning blocks and then are fixed through fasteners; and an elastic sheet (9) used for limiting the copper sheet (6) to move out of the copper arc-shaped groove (4) is fixed at one end of the inner wall of the copper arc-shaped groove (4) close to the opening of the inner wall.
2. The copper-aluminum abnormal-shape parallel groove clamp according to claim 1, characterized in that: the positioning groove (41) is provided with a fastening hole (43) in the inner wall far away from the opening, the positioning block (62) is provided with a fastening screw hole (621) in the end face far away from the copper sheet (6), and the fastening piece comprises a fastening bolt (8) which is arranged in the fastening hole (43) in a penetrating mode and is in threaded connection with the fastening screw hole (621).
3. The copper-aluminum abnormal-shape parallel groove clamp according to claim 2, characterized in that: and a rubber ring (42) is fixed on the inner wall of the positioning groove (41).
4. The copper-aluminum abnormal-shape parallel groove clamp according to claim 1, characterized in that: the end surface of the elastic sheet (9) close to the opening of the copper arc-shaped groove (4) is a convex arc surface (91).
5. The copper-aluminum abnormal-shaped parallel groove clamp according to claim 4, characterized in that: the convex arc surface (91) is positioned in the copper arc groove (4) and does not exceed the cover plate (1) or the bottom plate (2).
6. The copper-aluminum abnormal-shape parallel groove clamp according to claim 1, characterized in that: the middle parts of the cover plate (1) and the bottom plate (2) are respectively provided with a yielding hole (7), and the bolt assembly (3) comprises a connecting bolt (31) which is simultaneously penetrated in the two yielding holes (7) and a connecting nut (32) which is in threaded connection with the end part of the connecting bolt (31); the connecting bolt (31) is sleeved with two transition pieces (33) which are respectively abutted to one sides of the cover plate (1) and the base plate (2) far away from each other, and the two transition pieces (33) are respectively provided with a concave arc surface (331) attached to the cover plate (1) or the base plate (2).
7. The copper-aluminum abnormal-shape parallel groove clamp according to claim 6, characterized in that: two spring gaskets (34) are sleeved on the connecting bolt (31), and the two spring gaskets (34) are respectively positioned between the head of the connecting bolt (31) and the connecting nut (32) and the transition piece (33) close to the connecting bolt.
8. The copper-aluminum abnormal-shape parallel groove clamp according to claim 1, characterized in that: the end face, far away from the positioning block (62), of the copper sheet (6) is provided with a plurality of anti-skidding grooves (61) distributed along the length direction of the copper sheet.
9. The copper-aluminum abnormal-shape parallel groove clamp according to claim 1, characterized in that: two relative terminal surfaces of apron (1) are equipped with respectively and extend piece (11) and extending groove (12), it is equipped with fixed orifices (121) on the inner wall of bottom plate (2) to keep away from in extending groove (12), the terminal surface that bottom plate (2) were kept away from in extending piece (11) is equipped with fixed screw (111), wear to be equipped with in fixed orifices (121) and fix screw (111) threaded connection's fixing bolt (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020472579.2U CN211655077U (en) | 2020-04-02 | 2020-04-02 | Copper-aluminum special-shaped parallel groove clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020472579.2U CN211655077U (en) | 2020-04-02 | 2020-04-02 | Copper-aluminum special-shaped parallel groove clamp |
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| Publication Number | Publication Date |
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| CN211655077U true CN211655077U (en) | 2020-10-09 |
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| CN202020472579.2U Active CN211655077U (en) | 2020-04-02 | 2020-04-02 | Copper-aluminum special-shaped parallel groove clamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113518526A (en) * | 2021-06-19 | 2021-10-19 | 浙江星普汽车配件有限公司 | Electric appliance box |
-
2020
- 2020-04-02 CN CN202020472579.2U patent/CN211655077U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113518526A (en) * | 2021-06-19 | 2021-10-19 | 浙江星普汽车配件有限公司 | Electric appliance box |
| CN113518526B (en) * | 2021-06-19 | 2022-01-07 | 浙江星普汽车科技有限公司 | Electric appliance box |
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