CN221632858U - Prevent twisting power amplifier terminal excessively - Google Patents
Prevent twisting power amplifier terminal excessively Download PDFInfo
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- CN221632858U CN221632858U CN202323640396.XU CN202323640396U CN221632858U CN 221632858 U CN221632858 U CN 221632858U CN 202323640396 U CN202323640396 U CN 202323640396U CN 221632858 U CN221632858 U CN 221632858U
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- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
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Abstract
The utility model discloses an anti-over-twisting power amplifier binding post, which comprises a conductive post, a locking wire base end positioned at the lower end of the conductive post and a spiral end positioned at the upper end of the conductive post, wherein the spiral end comprises: the top end surface of the lower gear is provided with a first tooth surface; an upper gear engaged with the first tooth surface through the second tooth surface; the knob shell is sleeved on the outer side of the lower gear and is in linkage arrangement with the lower gear, and the locking knob is in threaded connection with the knob shell and is in linkage arrangement with the upper gear; and a spring sleeved on the conductive column and abutted between the locking knob and the upper gear. The elastic force generated by the spring can ensure that the spiral end compresses the lead on the conductive column, and the phenomenon of sliding teeth between the upper gear and the lower gear can be caused when the locking knob is further rotated when the spring is in the maximum compression capacity, so that a user is prompted that the locking knob is screwed in place at the moment, and the phenomenon of over-screwing is avoided, so that the locking knob is convenient to use.
Description
Technical Field
The utility model relates to the field of conductive connection structures, in particular to an anti-over-twisting power amplifier binding post.
Background
The power amplifier is an audio processing device that performs selection and preprocessing on an audio input signal and performs power amplification, thereby amplifying sound. For example, chinese patent publication No. CN2718852Y discloses a power amplifier terminal, which includes an insulating housing and a plurality of conductive columns, the fixed end of the conductive column is provided with a plug wire hole and a fastening screw, the fastening screw is screwed on the fastening screw hole on the side wall of the plug wire hole, the other end of the conductive column is a plugging end, a plurality of plug pin holes respectively facing different directions are provided, when in use, a plug formed by each plug pin can be plugged on a socket, a wire to be connected is plugged in the plug wire hole, and the wire is pressed and fixed by the fastening screw hole. The technical scheme is that the wire to be connected is pressed and fixed in the wire insertion hole by screwing the fastening screw, so that loosening is avoided, the follow-up fastening screw cannot be unscrewed due to over-screwing of the fastening screw when the wire is used, and the wire is inconvenient to use.
Disclosure of utility model
The utility model aims at solving at least one of the technical problems in the prior art, and provides an anti-over-twisting power amplifier binding post which ensures reliable wire connection and can avoid over-twisting so as to be convenient to use.
The utility model provides an anti-over-twisting power amplifier binding post, which comprises: a conductive post 1 with a wire pressing hole 11, wherein the lower end of the conductive post 1 is provided with a wire locking base end 2, and the upper end of the conductive post 1 is provided with an upper thread 13; the screw end is connected with the upper end of the conductive column 1 through screw threads;
Wherein, the spiral end specifically includes: a lower gear 4 in threaded connection with the upper end of the conductive post 1, the top end surface of the lower gear 4 having a first tooth surface 41; the upper gear 5 is sleeved at the upper end of the conductive column 1, the bottom end surface of the upper gear 5 is provided with a second tooth surface 51, and the second tooth surface 51 is meshed with the first tooth surface 41; the knob shell 6 is sleeved outside the lower gear 4 and is in linkage with the lower gear 4, and the inner wall of the knob shell 6 is provided with a first locking thread 61; a locking knob 7 screwed with the first locking thread 61 of the knob housing 6 through a second locking thread 71, the locking knob 7 being interlocked with the upper gear 5; and a spring 8 sleeved on the conductive column 1 and abutted between the locking knob 7 and the upper gear 5.
In some preferred embodiments, a pressing piece 3, which does not rotate with the lower gear 4, is provided at the bottom end of the lower gear 4.
In some preferred embodiments, the pressing piece 3 is sleeved on the conductive column 1, and the inner wall of the pressing piece 3 is provided with an inner ring groove 31; the bottom end of the lower gear 4 is provided with a plurality of buckles 43, and the buckling ends of the buckles 43 are positioned in the inner ring groove 31.
In some preferred embodiments, the outer side surface of the lower gear 4 is provided with a second limiting step 44, the inner wall of the knob housing 6 is provided with a limiting convex ring 62, and the upper end surface of the limiting convex ring 62 abuts against the second limiting step 44 so as to enable the knob housing 6 to be linked with the lower gear 4.
In some preferred embodiments, the locking knob 7 is provided with a receiving shaft hole at its lower end, the second locking screw 71 is provided on the outer wall of the receiving shaft hole, the inner wall of the receiving shaft hole is provided with a groove 72, the outer side of the upper gear 5 is provided with a flange 52, and the flange 52 is located in the groove 72.
In some preferred embodiments, the grooves 72 and the flanges 52 are multiple and uniform in number, and the grooves 72 are evenly spaced.
In some preferred embodiments, the spring 8 is sleeved on the conductive post 1 and is positioned in the accommodating shaft hole of the locking knob 7.
In some preferred embodiments, a half-buried hole 73 is provided in the upper end surface of the locking knob 7, and an identification ring 9 is provided in the half-buried hole 73.
In some preferred embodiments, the locking wire base end 2 is a lower portion of the conductive post 1 and is of unitary construction with the conductive post 1.
In some preferred embodiments, the lock wire base end 2 comprises a positioning conductor 21, an insulating sleeve 22, an insulating washer 23, a gasket 24 and a lock nut 25 which are sleeved on the lower end of the conductive post 1 in sequence; the insulating sleeve 22 is sleeved outside the positioning conductor 21, and the insulating gasket 23 is sleeved on the conductive column 1 and is positioned below the insulating sleeve 22; the lower end of the conductive post 1 is provided with a lower thread 14, a lock nut 25 is in threaded connection with the lower thread 14, and the lock nut 25 is locked by a gasket 24 to form a lock wire base end 2.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model has simple integral structure, the lower gear, the upper gear meshed with the lower gear and the spring abutted between the upper gear and the locking knob are arranged in the spiral end of the binding post, the elastic force generated by the spring can ensure that the spiral end compresses the lead on the conductive column, and the sliding tooth phenomenon can be caused between the upper gear and the lower gear when the locking knob is further rotated when the spring is in the maximum compression capacity, so that a user is prompted that the locking knob is screwed in place at the moment, the excessive screwing is avoided, and the utility model is convenient to use.
Drawings
FIG. 1 is a schematic perspective view of an anti-over-twisting power amplifier terminal according to the present application;
FIG. 2 is a schematic diagram showing a second perspective view of the post for anti-over-tightening power amplifier of the present application;
FIG. 3 is a schematic diagram of the internal structure of the anti-over-twisting power amplifier terminal disclosed by the application;
FIG. 4 is a schematic diagram of a three-dimensional exploded structure of the anti-over-twisting power amplifier terminal disclosed by the application;
Fig. 5 is a schematic perspective view of the locking knob, the upper gear and the lower gear.
Reference numerals of the various components in the figures: the conductive column 1, the wire pressing hole 11, the limit skirt 12, the upper thread 13 and the lower thread 14; the locking wire comprises a locking wire base end 2, a positioning conductor 21, a first limiting step 211, an insulating sleeve 22, an insulating washer 23, a gasket 24 and a locking nut 25; the device comprises a pressing piece 3, an inner ring groove 31, a lower gear 4, a first tooth surface 41, an inner thread 42, a buckle 43, a second limiting step 44, an upper gear 5, a second tooth surface 51, a flange 52, a knob shell 6, a first locking thread 61, a limiting convex ring 62, a locking knob 7, a second locking thread 71, a groove 72, a semi-buried hole 73, a spring 8 and an identification ring 9.
Detailed Description
In order to further describe the technical means and effects adopted by the present application for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present application with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
Referring to fig. 1 to 5, the utility model discloses an anti-over-twisting power amplifier binding post (hereinafter referred to as a "binding post"), which comprises: a conductive post 1 with a wire pressing hole 11, wherein the lower end of the conductive post 1 is provided with a wire locking base end 2, and the upper end of the conductive post 1 is provided with an upper thread 13; the screw thread is connected to the screw end of the upper end of the conductive post 1, so that the wire to be connected is tightly pressed on the screw end and the locking base end 2 by fastening the screw end relative to the locking base end 2, and the wire is reliably and electrically connected with the conductive post 1.
Specifically, the screw end specifically includes: a lower gear 4 in threaded connection with the upper end of the conductive post 1, the top end surface of the lower gear 4 having a first tooth surface 41; the upper gear 5 is sleeved at the upper end of the conductive column 1, the bottom end surface of the upper gear 5 is provided with a second tooth surface 51, and the second tooth surface 51 is meshed with the first tooth surface 41; the knob shell 6 is sleeved outside the lower gear 4 and is in linkage with the lower gear 4, and the inner wall of the knob shell 6 is provided with a first locking thread 61; a locking knob 7 screwed with the knob housing 6 through a second locking screw 71, the locking knob 7 being interlocked with the upper gear 5; and a spring 8 sleeved on the conductive column 1 and abutted between the locking knob 7 and the upper gear 5.
Because the spring 8 is abutted between the locking knob 7 and the upper gear 5, the elastic force applied by the spring 8 to the upper gear 5 is transferred to the lower gear 4, and the inner side surface of the lower gear 4 is provided with the internal thread 42, and the internal thread 42 is in threaded connection with the upper thread 13 at the upper end of the conductive post 1, therefore, the elastic force of the spring 8 can ensure that the lower gear 4 is as close to the locking wire base end 2 as possible on the conductive post 1, and further ensure that a wire to be connected is pressed between the screw end and the locking wire base end 2.
One end of a cable of a wire to be connected is inserted into the wire pressing hole 11 of the conductive post 1, or one end of the wire to be connected is provided with a Y-shaped connecting terminal, the Y-shaped terminal is inserted into the conductive post 1 between the spiral end and the locking wire base end 2, and the spiral end moves towards the locking wire base end 2 at the upper end of the conductive post 1 by rotating the locking knob 7 so as to tightly press and fasten the cable or the Y-shaped terminal of the wire.
Specifically, the working principle of preventing over-tightening of the wires to be connected by rotating the locking knob 7 is as follows: because the knob housing 6 and the lower gear 4 are arranged in a linkage manner, and the locking knob 7 is in threaded connection with the first locking thread 61 of the knob housing 6 through the second locking thread 71, when the locking knob 7 is rotated in the first direction, the locking knob 7 can rotate relative to the knob housing 6 until two ends of the spring 8 are respectively abutted against the locking knob 7 and the upper gear 5, and then the second tooth surface 51 of the upper gear 5 is meshed with the first tooth surface 41 of the lower gear 4 to drive the lower gear 4 to rotate, so that when the locking knob 7 rotates relative to the knob housing 6, the knob housing 6 and the lower gear 4 are driven to rotate relative to the conductive post 1 in the first spiral direction, the spiral end is further in spiral rotation near the lock wire base end 2, the spring 8 is further compressed until the spring 8 cannot continue to compress, and at the moment, the spring 8 generates a preset maximum elastic force towards the lock wire base end 2 to ensure that a wire to be connected is compressed between the spiral end and the lock wire base end 2. Meanwhile, after the spring 8 is compressed until the compression cannot be continued, if the spring continues to rotate towards the locking knob 7, the second tooth surface 51 of the upper gear 5 and the first tooth surface 41 of the lower gear 4 generate a sliding tooth phenomenon to generate a sliding tooth prompt sound of a snap, so that a user can be prompted that the locking knob 7 is screwed in place at the moment, and the excessive screwing of the locking knob 7 is avoided through the sliding tooth generated between the upper gear 5 and the lower gear 4.
Because the spiral end has the function of preventing over-twisting, the reliable connection of the wires is ensured, and the phenomenon that the locking knob 7 cannot be unscrewed after the wires are pressed can be avoided, so that the use of a user is facilitated.
For better compress tightly the wire that waits to connect between spiral end and locking wire base end 2, the spiral end still includes the compress tightly piece 3 that sets up relative locking wire base end 2, compresses tightly the bottom that piece 3 set up at lower gear 4. Meanwhile, in order to prevent the lower gear 4 from driving the compressing sheet 3 to rotate when rotating relative to the conductive column 1 by threads, a wire to be connected is led out from between the spiral end and the locking wire base end 2, therefore, the compressing sheet 3 is sleeved on the conductive column 1, and the inner wall of the compressing sheet 3 is provided with an inner ring groove 31; correspondingly, the bottom end of the lower gear 4 is provided with a plurality of buckles 43, and the buckling ends of the buckles 43 are positioned in the inner ring groove 31, so that the lower gear 4 is limited in the inner ring groove 31 according to the buckling ends of the buckles 43, and the compression piece 3 is not driven to rotate relative to the threads of the conductive column 1.
The outer side surface of the lower gear 4 is provided with a second limiting step 44, the inner wall of the knob shell 6 is provided with a limiting convex ring 62, the upper end surface of the limiting convex ring 62 is abutted with the second limiting step 44, and the lower end surface of the limiting convex ring 62 is abutted with the pressing piece 3, so that the knob shell 6 can drive the lower gear 4 to rotate relative to the conductive column 1.
The lower extreme of locking knob 7 is equipped with and holds the shaft hole, holds the outer wall in shaft hole and is equipped with second locking screw 71, holds the inner wall in shaft hole and is equipped with recess 72, and correspondingly, the outside of going up gear 5 is equipped with flange 52, and flange 52 is located recess 72 to let locking knob 7 and last gear 5 linkage, in order to drive gear 5 and rotate simultaneously when locking knob 7.
The grooves 72 and the flanges 52 are multiple and the number of the grooves is consistent, and the grooves 72 are uniformly spaced to balance the stress, so that the locking knob 7 and the upper gear 5 are not easy to be blocked during linkage, and the overall reliability is improved.
Wherein, the spring 8 is sleeved on the conductive column 1 and is positioned in the accommodating shaft hole of the locking knob 7.
The upper end face of the locking knob 7 is provided with a half-buried hole 73, and the half-buried hole 73 is internally provided with a recognition ring 9, for example, the recognition rings 9 with different colors are used for conveniently providing visual recognition of wires with different audio frequency numbers of the power amplifier.
The lock wire base end 2 may be any one of the existing structures, for example, the lock wire base end 2 and the conductive post 1 are integrally formed, which belongs to a part of the conductive post 1. As another example, in some embodiments, the lock wire base end 2 includes a positioning conductor 21, an insulating sleeve 22, an insulating washer 23, a gasket 24 and a lock nut 25 sequentially sleeved on the lower end of the conductive post 1; the conductive column 1 is provided with a limit skirt 12, the inner wall of the positioning conductor 21 is provided with a first limit step 211, the first limit step 211 is in limit fit with the limit skirt 12 to ensure that the positioning conductor 21 cannot rotate relative to the conductive column 1, the insulating sleeve 22 is sleeved outside the positioning conductor 21, and the insulating gasket 23 is sleeved on the conductive column 1 and is positioned below the insulating sleeve 22; the lower end of the conductive post 1 is provided with a lower thread 14, a lock nut 25 is in threaded connection with the lower thread 14, and the lock nut 25 is locked by a gasket 24 to form a lock wire base end 2.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. An anti-over-twisting power amplifier terminal, comprising: the conductive post (1) is provided with a wire pressing hole (11), the lower end of the conductive post (1) is provided with a wire locking base end (2), and the upper end of the conductive post (1) is provided with an upper thread (13); screw thread connects the spiral end in conductive column (1) upper end, its characterized in that, the spiral end includes:
The lower gear (4) is in threaded connection with the upper end of the conductive column (1), and the top end surface of the lower gear (4) is provided with a first tooth surface (41);
the upper gear (5) is sleeved at the upper end of the conductive column (1), the bottom end surface of the upper gear (5) is provided with a second tooth surface (51), and the second tooth surface (51) is meshed with the first tooth surface (41);
The knob shell (6) is sleeved on the outer side of the lower gear (4) and is in linkage arrangement with the lower gear (4), and a first locking thread (61) is formed on the inner wall of the knob shell (6);
A locking knob (7) which is in threaded connection with the first locking thread (61) of the knob shell (6) through a second locking thread (71), wherein the locking knob (7) is in linkage arrangement with the upper gear (5);
and a spring (8) sleeved on the conductive column (1) and abutted between the locking knob (7) and the upper gear (5).
2. The anti-over-twisting power amplifier wiring terminal according to claim 1, wherein a pressing piece (3) which does not rotate along with the lower gear (4) is arranged at the bottom end of the lower gear (4).
3. The anti-over-twisting power amplifier binding post according to claim 2, wherein the compression sheet (3) is sleeved on the conductive column (1), and an inner ring groove (31) is formed in the inner wall of the compression sheet (3); the bottom end of the lower gear (4) is provided with a plurality of buckles (43), and the buckling ends of the buckles (43) are positioned in the inner ring groove (31).
4. The anti-over-twisting power amplifier wiring terminal according to claim 1, wherein a second limiting step (44) is arranged on the outer side surface of the lower gear (4), a limiting convex ring (62) is arranged on the inner wall of the knob shell (6), and the upper end surface of the limiting convex ring (62) is abutted with the second limiting step (44) so that the knob shell (6) is linked with the lower gear (4).
5. The over-screwing prevention power amplifier wiring terminal according to claim 1, wherein the lower end of the locking knob (7) is provided with a receiving shaft hole, the second locking screw thread (71) is arranged on the outer wall of the receiving shaft hole, the inner wall of the receiving shaft hole is provided with a groove (72), the outer side of the upper gear (5) is provided with a flange (52), and the flange (52) is positioned in the groove (72).
6. The anti-over-tightening power amplifier terminal according to claim 5, wherein the plurality of grooves (72) and the plurality of flanges (52) are identical in number, and the plurality of grooves (72) are arranged at uniform intervals.
7. The over-twisting prevention power amplifier wiring terminal according to claim 5, wherein the spring (8) is sleeved on the conductive post (1) and is positioned in the accommodating shaft hole of the locking knob (7).
8. The anti-over-twisting power amplifier wiring terminal according to claim 1, wherein a half-buried hole (73) is arranged on the upper end face of the locking knob (7), and an identification ring (9) is arranged in the half-buried hole (73).
9. The anti-over-twisting power amplifier wiring terminal according to claim 1, wherein the locking wire base end (2) is a lower part of the conductive post (1) and is of an integrated structure with the conductive post (1).
10. The anti-over-twisting power amplifier wiring terminal according to claim 1, wherein the locking wire base end (2) comprises a positioning conductor (21), an insulating sleeve (22), an insulating gasket (23), a gasket (24) and a locking nut (25) which are sequentially sleeved at the lower end of the conductive column (1); the insulating sleeve (22) is sleeved outside the positioning conductor (21), and the insulating gasket (23) is sleeved on the conductive column (1) and is positioned below the insulating sleeve (22); the lower end of the conductive column (1) is provided with a lower thread (14), a lock nut (25) is connected with the lower thread (14) in a threaded manner, and the lock nut (25) is locked through a gasket (24) to form a lock wire base end (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323640396.XU CN221632858U (en) | 2023-12-28 | 2023-12-28 | Prevent twisting power amplifier terminal excessively |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323640396.XU CN221632858U (en) | 2023-12-28 | 2023-12-28 | Prevent twisting power amplifier terminal excessively |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221632858U true CN221632858U (en) | 2024-08-30 |
Family
ID=92480916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323640396.XU Active CN221632858U (en) | 2023-12-28 | 2023-12-28 | Prevent twisting power amplifier terminal excessively |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221632858U (en) |
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2023
- 2023-12-28 CN CN202323640396.XU patent/CN221632858U/en active Active
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