CN213959143U - Easy-to-disassemble and assemble wiring terminal structure of electric heater of extruder - Google Patents
Easy-to-disassemble and assemble wiring terminal structure of electric heater of extruder Download PDFInfo
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- CN213959143U CN213959143U CN202022960948.5U CN202022960948U CN213959143U CN 213959143 U CN213959143 U CN 213959143U CN 202022960948 U CN202022960948 U CN 202022960948U CN 213959143 U CN213959143 U CN 213959143U
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Abstract
Extruder electric heater easy dismouting terminal structure, including equal vertical terminal and the copper post that sets up, the inside first screw hole that is equipped with of copper post lower extreme, terminal upper end outside is equipped with the external screw thread, the terminal upper end stretch into the internal screw thread in and with terminal threaded connection, the copper post up end is equipped with the countersunk groove along the axis direction and follows the second screw hole that countersunk groove bottom portion was seted up downwards, screw connection has the bolt in the second screw hole, the head of bolt is located the countersunk groove, the copper wire silk bundle of winding power cord on the pole portion of bolt, the bottom in countersunk groove is connected with the copper wire silk bundle crimping to the head of bolt, penetrating through threading groove about head one side of bolt is equipped with, the power cord passes the threading groove and upwards extends. The utility model discloses simple structure and compactness, it is reliable to connect, and electric connection area is big, is difficult for generating heat, and convenient dismantlement and installation are durable more, and life is longer.
Description
Technical Field
The utility model belongs to send out with the accessory of extruder equipment for the fibre production, concretely relates to extruder electric heater easy dismouting terminal structure.
Background
The heater that extruder (screw extruder) outside set up generally all adopts to insert and establishes the electric heating rod in the aluminum plate, and the terminal of electric heating rod outer end coaxial line adopts the quick connector of copper pipe with being connected between the power cord, and the copper pipe wall is thinner, is grafting structure with the terminal, and is not hard up easily at the during operation to also generate heat easily in the junction, and the copper pipe wall has been burnt out for a long time, just need to change the quick connector of copper pipe, and this normal operating that just influences the extruder.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a connect reliable, durable extruder electric heater easy dismouting terminal structure.
In order to solve the technical problem, the utility model adopts the following technical scheme: extruder electric heater easy dismouting terminal structure, including equal vertical terminal and the copper post that sets up, the inside first screw hole that is equipped with of copper post lower extreme, terminal upper end outside is equipped with the external screw thread, the terminal upper end stretch into the internal screw thread in and with terminal threaded connection, the copper post up end is equipped with the countersunk groove along the axis direction and follows the second screw hole that countersunk groove bottom portion was seted up downwards, screw connection has the bolt in the second screw hole, the head of bolt is located the countersunk groove, the copper wire silk bundle of winding power cord on the pole portion of bolt, the bottom in countersunk groove is connected with the copper wire silk bundle crimping to the head of bolt, penetrating through threading groove about head one side of bolt is equipped with, the power cord passes the threading groove and upwards extends.
The top of the first threaded hole in the copper column is provided with a mounting blind hole, the central line of the mounting blind hole is overlapped with the central line of the copper column, a compression spring is arranged in the mounting blind hole, and the upper end and the lower end of the compression spring are respectively in top press fit with the top surface of the mounting blind hole and the top end surface of the copper column.
The copper column comprises a quadrangular prism section at the upper part and a cylindrical section at the lower part, the quadrangular prism section and the cylindrical section are integrally manufactured, the length of a diagonal line of the cross section of the quadrangular prism section is smaller than or equal to the diameter of the cylindrical section, and the upper end face of the cylindrical section is higher than the uppermost end of the first threaded hole.
By adopting the technical scheme, the copper wire tows of the power line are pressed into the countersunk head groove at the upper end of the copper column through the bolt (the rod part of the bolt is screwed into the second threaded hole) together with the copper column, so that the reliability of wiring is ensured, the outer side of the head part of the bolt is provided with the threading groove, and the power line penetrates out upwards through the threading groove.
The binding post is in threaded connection with a first threaded hole arranged at the lower end of the copper column, in order to prevent the binding post from rotating relative to the copper column and further improve the reliability of electric connection, an installation blind hole is arranged, and a compression spring is arranged in the installation blind hole, so that the upper end and the lower end of the compression spring are respectively in top press fit with the top surface of the installation blind hole and the top surface of the copper column.
The copper post sets up the four prism sections on upper portion and the cylinder section of lower part, and the cylinder section inside of lower part sets up first screw hole, improves the wall thickness of cylinder section, and the four prism sections on upper portion can regard as the joint portion of spanner, conveniently twists the threaded connection who moves copper post and terminal.
To sum up, the utility model discloses simple structure and compactness, it is reliable to connect, and electric connection area is big, is difficult for generating heat, and convenient dismantlement and installation are durable more, and life is longer.
Drawings
FIG. 1 is a schematic axial sectional view of the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses an extruder electric heater readily removable terminal structure, including equal vertical terminal 1 and the copper post that sets up, the inside first screw hole 2 that is equipped with of copper post lower extreme, the outside external screw thread that is equipped with in 1 upper end of terminal, 1 upper end of terminal stretch into the internal screw hole and with terminal 1 threaded connection, copper post up end is equipped with countersunk groove 3 along the axis direction and follows the second screw hole 4 that countersunk groove 3 bottoms were seted up downwards, the screw is connected with bolt 5 in the second screw hole 4, bolt 5 top surface is offered and is used for inserting a style of calligraphy screwdriver's a word groove 6, bolt 5's head is located countersunk groove 3, the copper wire silk bundle 8 of power cord 7 has been twined on bolt 5's the pole portion, bolt 5's head is with copper wire silk 8 crimping to countersunk groove 3's tank bottom, penetrating through-thread groove 9 about bolt 5's head one side is equipped with, power cord 7 passes through-thread groove 9 and upwards extends.
The top of the first threaded hole 2 in the copper column is provided with a blind mounting hole 10, the center line of the blind mounting hole 10 coincides with the center line of the copper column, a compression spring 11 is arranged in the blind mounting hole 10, and the upper end and the lower end of the compression spring 11 are respectively in press fit with the top surface of the blind mounting hole 10 and the top of the upper end surface of the copper column.
The copper column comprises a four-prism section 12 at the upper part and a cylindrical section 13 at the lower part, wherein the four-prism section 12 and the cylindrical section 13 are integrally manufactured, the length of a diagonal line of the cross section of the four-prism section 12 is smaller than or equal to the diameter of the cylindrical section 13, and the upper end face of the cylindrical section 13 is higher than the uppermost end of the first threaded hole 2.
The copper wire tows 8 of the power wire 7 are pressed into the countersunk head grooves 3 at the upper ends of the copper columns through the bolts 5 (the rod parts of the bolts 5 are screwed into the second threaded holes 4) and the copper columns, so that the wiring reliability is ensured, the threading grooves 9 are formed in the outer sides of the head parts of the bolts 5, and the power wire 7 penetrates out upwards through the threading grooves 9.
The wiring terminal 1 is in threaded connection with a first threaded hole 2 arranged at the lower end of the copper column, in order to prevent the wiring terminal 1 from rotating relative to the copper column and further improve the reliability of electric connection, a mounting blind hole 10 is arranged, and a compression spring 11 is arranged in the mounting blind hole 10, so that the upper end and the lower end of the compression spring 11 are respectively in top press fit with the top surface of the mounting blind hole 10 and the top surface of the copper column.
The copper post sets up four prism sections 12 on upper portion and the cylinder section 13 of lower part, and the cylinder section 13 inside of lower part sets up first screw hole 2, improves the wall thickness of cylinder section 13, and four prism sections 12 on upper portion can regard as the joint portion of spanner, conveniently twists the threaded connection who moves copper post and terminal 1.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (3)
1. Extruder electric heater easy dismouting terminal structure, its characterized in that: including equal vertical terminal and the copper post that sets up, the inside first screw hole that is equipped with of copper post lower extreme, terminal upper end outside is equipped with the external screw thread, the terminal upper end stretch into the internal thread downthehole and with terminal threaded connection, the copper post up end is equipped with countersunk groove and the second screw hole of seting up along countersunk groove bottom portion downwards along the axis direction, screw connection has the bolt in the second screw hole, the head of bolt is located countersunk groove, the winding has the copper wire silk bundle of power cord on the pole portion of bolt, the bottom in countersunk groove is connected with the copper wire silk bundle crimping to the head of bolt, penetrating through threading groove about head one side of bolt is equipped with, the power cord passes the threading groove and upwards extends.
2. The extruder electric heater easy-to-dismount post structure as claimed in claim 1, wherein: the top of the first threaded hole in the copper column is provided with a mounting blind hole, the central line of the mounting blind hole is overlapped with the central line of the copper column, a compression spring is arranged in the mounting blind hole, and the upper end and the lower end of the compression spring are respectively in top press fit with the top surface of the mounting blind hole and the top end surface of the copper column.
3. The extruder electric heater easy-to-dismount post structure as claimed in claim 1 or 2, wherein: the copper column comprises a quadrangular prism section at the upper part and a cylindrical section at the lower part, the quadrangular prism section and the cylindrical section are integrally manufactured, the length of a diagonal line of the cross section of the quadrangular prism section is smaller than or equal to the diameter of the cylindrical section, and the upper end face of the cylindrical section is higher than the uppermost end of the first threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022960948.5U CN213959143U (en) | 2020-12-11 | 2020-12-11 | Easy-to-disassemble and assemble wiring terminal structure of electric heater of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022960948.5U CN213959143U (en) | 2020-12-11 | 2020-12-11 | Easy-to-disassemble and assemble wiring terminal structure of electric heater of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213959143U true CN213959143U (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022960948.5U Active CN213959143U (en) | 2020-12-11 | 2020-12-11 | Easy-to-disassemble and assemble wiring terminal structure of electric heater of extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213959143U (en) |
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2020
- 2020-12-11 CN CN202022960948.5U patent/CN213959143U/en active Active
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