CN213340739U - Industry multiport switching device - Google Patents
Industry multiport switching device Download PDFInfo
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- CN213340739U CN213340739U CN202022828291.7U CN202022828291U CN213340739U CN 213340739 U CN213340739 U CN 213340739U CN 202022828291 U CN202022828291 U CN 202022828291U CN 213340739 U CN213340739 U CN 213340739U
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Abstract
The utility model provides an industry multiport switching device belongs to electrical connection technical field. The switching structure comprises an insulating core pipe, an insulating sleeve and an insulating mounting pipe, the outer end of the insulating core pipe is fixedly connected with the insulating sleeve, the insulating core pipe and the insulating sleeve form an annular jack at the outer end of the insulating mounting pipe, a cylindrical conducting strip is fixedly arranged on the inner wall of the insulating mounting pipe, a plurality of contact assemblies are arranged between the insulating core pipe and the conducting strip along the axis direction of the insulating core pipe, each contact assembly comprises a plurality of avoidance openings I which are circumferentially and uniformly distributed on the insulating core pipe and contact reeds which are arranged on the conducting strip and correspond to the avoidance openings one by one, the contact reeds are inserted into the corresponding avoidance openings I, and the contact reeds protrude towards the inner side of the conducting strip in a natural state; a return spring is connected between the insulating sleeve and the insulating mounting tube. The utility model has the advantages of the dismouting is efficient.
Description
Technical Field
The utility model belongs to the technical field of electrical connection, a industry multiport switching device is related to.
Background
When connecting power lines, existing electric equipment, especially industrial electric equipment, usually adopts a mode that a wiring hole is matched with a compression screw to establish electric connection between a lead and an internal circuit. This kind of mode of connection can not adapt the reliable connection of the different diameter wire, and the clamp screw directly compresses tightly the wire moreover, probably can harm the wire, causes to connect inefficacy, moreover, the wire is caused local heat gathering easily by local extrusion back of clamp bolt, and then leads to the wire to burn out easily, and in addition, the junction of wire is the concentrated region that generates heat, causes high temperature easily, and finally, current mode all need cut off the power supply when the wiring, otherwise causes the electric shock accident very easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that exists to current technique, provide an industry multiport switching device, the utility model aims to solve the technical problem how improve the efficiency of wiring take out stitches.
The purpose of the utility model can be realized by the following technical proposal: an industrial multi-port switching device is characterized by comprising a shell and a plurality of switching structures arranged on the shell, wherein each switching structure comprises an insulating core pipe, an insulating sleeve and an insulating mounting pipe; the inner wall of the insulating installation pipe is fixedly provided with a cylindrical conducting strip, a plurality of contact assemblies are arranged between the insulating core pipe and the conducting strip along the axis direction of the insulating core pipe, each contact assembly comprises a plurality of avoidance openings I which are circumferentially and uniformly distributed on the insulating core pipe and contact reeds which are arranged on the conducting strip and correspond to the avoidance openings one to one, the contact reeds are inserted into the corresponding avoidance openings I, and the contact reeds protrude towards the inner side of the conducting strip in a natural state; a return spring is connected between the insulating sleeve and the insulating mounting tube; the insulating mounting tube is fixed on the shell, and the insulating sleeve and the insulating core tube respectively extend out of two ends of the shell.
Furthermore, the inner contour of the avoidance opening I allows the contact spring leaf to rotate for 5-20 degrees along the axis of the insulating core pipe in the avoidance opening I, a spiral guide strip is arranged on the inner wall of the insulating sleeve, and a guide groove corresponding to the guide strip is arranged on the outer wall of the insulating mounting pipe.
Further, a normally-on wiring terminal is fixedly arranged at the inner end of the insulating core tube and can be in contact with and electrically connected with the conducting strip when the contact reed is in a natural state; when the contact spring is pressed by the insulating core tube, the normally-on terminal can be separated from the conductive sheet.
Furthermore, the conducting strip is enclosed by a plurality of arc-shaped conducting bent pieces, and the conducting bent pieces are fixed on the inner wall of the insulating installation pipe.
Furthermore, a limiting assembly is arranged on the inner wall of the outer end of the insulating mounting pipe and comprises a plurality of insulating bent sheets which are uniformly arranged on the inner wall of the insulating mounting pipe in the circumferential direction, a limiting elastic sheet is arranged on each insulating bent sheet, avoidance openings II which correspond to the limiting elastic sheets one by one are formed in the insulating core pipe, the limiting elastic sheets are inserted into the corresponding avoidance openings II, and the limiting elastic sheets are protruded towards the inner side of the insulating core pipe in a natural state; the inner profile of the avoidance opening II allows the limiting elastic sheet to rotate 5-20 degrees in the avoidance opening II along the axis of the insulating core pipe.
When inserting into insulating core intraductal with the strand wire, owing to receive the effect of spacing shell fragment, the strand wire can't continue to stretch into and contact with the contact reed, but need press insulating core pipe, insulating core pipe pressurized back, the effect of gib block and guide way that sets up between insulating sleeve and insulating installation pipe, insulating core pipe is rotatory certain angle relatively insulating installation pipe, this angle can set up to about 10, this kind of rotation can make normally open binding post and conducting strip better when the contact on the one hand, on the other hand can make each contact reed and spacing shell fragment homogeneous phase to insulating core pipe exist rotatoryly, thereby, can be better after contact reed and spacing shell fragment reset with the strand wire contact, improve the contact reliability, and comb the strand wire, avoid the extrusion transition.
After insulating core pipe pressurized, dodge mouthful one and dodge mouthful two and be close to the side of insulating core pipe outer end and extrude contact reed and spacing shell fragment respectively, make its deformation to vacate the space that becomes a strand wire and smoothly insert in the insulating core pipe, after loosening insulating core pipe, reset spring orders about insulating core pipe relative insulating installation pipe and resets, contact reed and spacing shell fragment return and compress tightly into a strand wire.
It should be noted that: except the contact spring, the normally-on terminal and the conductive bent piece, other parts are made of insulating materials.
Based on above-mentioned structure, this scheme has following advantage:
before the stranded wires can be inserted into the insulating core tube, the insulating core tube must be pressed first, so that the normally-on wiring terminal connected with the power supply is separated from the conducting strip, the conducting strip is in a power-off state, and the safety of a wiring process is ensured;
the insulating core pipe synchronously rotates in the process of translating relative to the insulating mounting pipe, so that the damage of stranded wires is effectively avoided, and a good contact state can be ensured;
the space for inserting the stranded wires is large enough, and the stranded wires can be adapted to wiring of stranded wires with different specifications in a certain range;
after wiring is finished, a certain space is formed between the stranded conductor and the inner wall of the insulating core tube, so that excessive heat accumulation is avoided; the lead has lower compression strength, so that the lead is prevented from being damaged;
convenient operation need not the instrument and assists, has improved the efficiency of wiring and taking out stitches.
Drawings
Fig. 1 is a schematic perspective view of the adapter device.
Fig. 2 is a cross-sectional view of a single adapter structure of the adapter device after the wiring is completed.
Fig. 3 is a cross-sectional view of a single adapter structure in the adapter device prior to wiring.
Fig. 4 is a sectional view taken along a-a in fig. 2.
Fig. 5 is a schematic perspective view of the conductive and insulating curved pieces.
In the figure, 1, a housing; 2. an insulating core tube; 3. an insulating sleeve; 4. an insulating mounting tube; 5. a conductive sheet; 51. avoiding a first opening; 52. a contact spring; 53. a return spring; 54. A conductive curved piece; 6. a normally-on wiring terminal; 71. an insulating curved piece; 72. a limiting elastic sheet; 73. And avoiding the second opening.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, the plug-in connector comprises a housing 1 and a plurality of switching structures arranged on the housing 1, wherein each switching structure comprises an insulating core tube 2, an insulating sleeve 3 and an insulating mounting tube 4, the outer end of the insulating core tube 2 is fixedly connected with the insulating sleeve 3, the insulating core tube 2 and the insulating sleeve 3 form an annular jack at the outer end of the insulating mounting tube 4, the insulating mounting tube 4 is slidably connected in the jack, and the outer end of the insulating core tube 2 is open; a cylindrical conducting strip 5 is fixedly arranged on the inner wall of the insulating installation tube 4, a plurality of contact assemblies are arranged between the insulating core tube 2 and the conducting strip 5 along the axial direction of the insulating core tube 2, each contact assembly comprises a plurality of avoidance openings 51 which are uniformly distributed on the insulating core tube 2 in the circumferential direction and contact reeds 52 which are arranged on the conducting strip 5 and correspond to the avoidance openings 51 one by one, the contact reeds 52 are inserted into the corresponding avoidance openings 51, and the contact reeds 52 protrude towards the inner side of the conducting strip 5 in a natural state; a return spring 53 is connected between the insulating sleeve 3 and the insulating mounting tube 4; the insulating mounting tube 4 is fixed on the shell 1, and the insulating sleeve 3 and the insulating core tube 2 respectively extend out of two ends of the shell 1.
The inner profile of the avoidance opening I51 allows the contact spring 52 to rotate 5-20 degrees along the axis of the insulating core pipe 2 in the avoidance opening I51, the inner wall of the insulating sleeve 3 is provided with a spiral guide strip, and the outer wall of the insulating mounting pipe 4 is provided with a guide groove corresponding to the guide strip.
A normally-on wiring terminal 6 is fixedly arranged at the inner end of the insulating core tube 2, and the normally-on wiring terminal 6 can be in contact with and electrically connected with the conducting strip 5 when the contact reed 52 is in a natural state; the normally-on terminal 6 can be separated from the conductive sheet 5 when the contact reed 52 is pressed by the insulating core tube 2.
The conducting strip 5 is formed by enclosing a plurality of arc-shaped conducting bent pieces 54, and the conducting bent pieces 54 are fixed on the inner wall of the insulating installation tube 4.
A limiting assembly is arranged on the inner wall of the outer end of the insulating mounting tube 4, the limiting assembly comprises a plurality of insulating bent pieces 71 which are circumferentially and uniformly arranged on the inner wall of the insulating mounting tube 4, a limiting elastic piece 72 is arranged on each insulating bent piece 71, avoidance openings two 73 which are in one-to-one correspondence with the limiting elastic pieces 72 are formed in the insulating core tube 2, the limiting elastic pieces 72 are inserted into the corresponding avoidance openings two 73, and the limiting elastic pieces 72 naturally protrude towards the inner side of the insulating core tube 2; the inner profile of the avoidance opening II 73 allows the limiting elastic sheet 72 to rotate 5-20 degrees in the avoidance opening II 73 along the axis of the insulating core tube 2.
When inserting the stranded wire into insulating core pipe 2, because receive spacing shell fragment 72's effect, the stranded wire can't continue to stretch into and contact with contact reed 52, but need press insulating core pipe 2, insulating core pipe 2 pressurized back, the effect of gib block and guide way that sets up between insulating sleeve 3 and insulating mounting tube 4, insulating core pipe 2 is rotatory certain angle relative to insulating mounting tube 4, this angle can set up to about 10, this kind of rotation can make normal open binding post 6 and conducting strip 5 better when the contact on the one hand, on the other hand can make each contact reed 52 and spacing shell fragment 72 homogeneous phase have the rotation to insulating core pipe 2, thereby, can be better after contact reed 52 and spacing shell fragment 72 reset with the stranded wire contact, improve the contact reliability, and comb the stranded wire, avoid the extrusion transition.
After the insulating core pipe 2 is pressed, the side edges of the first avoidance opening 51 and the second avoidance opening 73, which are close to the outer end of the insulating core pipe 2, respectively extrude the contact spring 52 and the limiting spring piece 72 to deform the contact spring, so that a space for smoothly inserting the stranded conductor into the insulating core pipe 2 is vacated, after the insulating core pipe 2 is loosened, the reset spring 53 drives the insulating core pipe 2 to reset relative to the insulating installation pipe 4, and the contact spring 52 and the limiting spring piece 72 reset and compress the stranded conductor.
It should be noted that: the components other than the contact spring 52, the normally-on terminal 6 and the conductive bent piece 54 are made of an insulating material.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The industrial multi-port switching device is characterized by comprising a shell (1) and a plurality of switching structures arranged on the shell (1), wherein each switching structure comprises an insulating core pipe (2), an insulating sleeve (3) and an insulating mounting pipe (4), the outer end of each insulating core pipe (2) is fixedly connected with the corresponding insulating sleeve (3), the insulating core pipes (2) and the corresponding insulating sleeves (3) form annular jacks at the outer ends of the insulating mounting pipes (4), the insulating mounting pipes (4) are connected in the jacks in a sliding mode, and the outer ends of the insulating core pipes (2) are open; a cylindrical conducting strip (5) is fixedly arranged on the inner wall of the insulating installation tube (4), a plurality of contact assemblies are arranged between the insulating core tube (2) and the conducting strip (5) along the axis direction of the insulating core tube (2), each contact assembly comprises a plurality of avoidance openings (51) which are circumferentially and uniformly distributed on the insulating core tube (2) and contact reeds (52) which are arranged on the conducting strip (5) and correspond to the avoidance openings (51) one by one, the contact reeds (52) are inserted into the corresponding avoidance openings (51), and the contact reeds (52) are protruded towards the inner side of the conducting strip (5) in a natural state; a return spring (53) is connected between the insulating sleeve (3) and the insulating mounting tube (4); the insulating mounting tube (4) is fixed on the shell (1), and the insulating sleeve (3) and the insulating core tube (2) respectively extend out of two ends of the shell (1).
2. The industrial multiport adapter according to claim 1, characterized in that the inner profile of the avoidance port I (51) allows the contact spring (52) to rotate 5-20 ° in the avoidance port I (51) along the axis of the insulating core tube (2), the inner wall of the insulating sleeve (3) is provided with a spiral guide strip, and the outer wall of the insulating mounting tube (4) is provided with a guide groove corresponding to the guide strip.
3. The industrial multiport patching device according to claim 2, wherein a normally-on terminal (6) is fixedly arranged at the inner end of the insulated core tube (2), and the normally-on terminal (6) can be contacted and electrically connected with the conducting strip (5) when the contact reed (52) is in a natural state; the normally-on terminal (6) can be separated from the conductive sheet (5) when the contact reed (52) is pressed by the insulating core tube (2).
4. The industrial multiport adapter according to claim 3, characterized in that said conducting strips (5) are enclosed by a plurality of curved conducting strips (54), said conducting strips (54) being fixed to the inner wall of the insulating mounting tube (4).
5. The industrial multiport switching device according to claim 4, wherein a limiting assembly is arranged on the inner wall of the outer end of the insulating mounting tube (4), the limiting assembly comprises a plurality of insulating bent pieces (71) which are circumferentially and uniformly arranged on the inner wall of the insulating mounting tube (4), a limiting elastic piece (72) is arranged on each insulating bent piece (71), two avoidance openings (73) which correspond to the limiting elastic pieces (72) one by one are formed in the insulating core tube (2), the limiting elastic pieces (72) are inserted into the corresponding avoidance openings (73), and the limiting elastic pieces (72) are protruded towards the inner side of the insulating core tube (2) in a natural state; the inner profile of the avoidance opening II (73) allows the limiting elastic sheet (72) to rotate 5-20 degrees in the avoidance opening II (73) along the axis of the insulating core pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022828291.7U CN213340739U (en) | 2020-11-30 | 2020-11-30 | Industry multiport switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022828291.7U CN213340739U (en) | 2020-11-30 | 2020-11-30 | Industry multiport switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213340739U true CN213340739U (en) | 2021-06-01 |
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ID=76079135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022828291.7U Active CN213340739U (en) | 2020-11-30 | 2020-11-30 | Industry multiport switching device |
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| Country | Link |
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| CN (1) | CN213340739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117374654A (en) * | 2023-12-07 | 2024-01-09 | 深圳市华科精密组件有限公司 | Binding post branching connector |
-
2020
- 2020-11-30 CN CN202022828291.7U patent/CN213340739U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117374654A (en) * | 2023-12-07 | 2024-01-09 | 深圳市华科精密组件有限公司 | Binding post branching connector |
| CN117374654B (en) * | 2023-12-07 | 2024-03-19 | 深圳市华科精密组件有限公司 | Binding post branching connector |
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