TWI400847B - Adjustable torque locking device for electrical wiring joint - Google Patents

Description

Fixed torque locking device for electrical line joints

The invention relates to a fixed torque locking device for an electrical circuit joint, in particular to an innovative design designer who can self-DIY fasten the wire to the end of the machine and is not easy to cause excessive elastic fit.

Pressing, an electronic signal machine has a machine end on one side thereof, and a wire end is protruded from the center of the machine end, and a threaded section is formed on the outer edge of one end of the wire head, and A locking joint correspondingly locks the free end of the wire to the position of the end of the machine; however, when the user turns the locking joint, the force of the torque value is not properly grasped, and the wire is easily broken or Poor contact has occurred.

Therefore, in view of the problems existing in the above-mentioned conventional electronic wire locking joints, how to develop an innovative technology with a predetermined torque value to limit the locking force, the actual use of consumers is eagerly awaited, and the relevant industry must strive to develop breakthrough targets. In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation of the above objectives, the invention has finally become practical.

That is, the main object of the present invention is to provide a fixed torque locking device for an electrical circuit joint; the problem to be solved is that the proper locking torque value of the conventional electronic wire locking joint cannot be pinched. The strength of the force, and easy to cause wire breakage or poor contact points to improve the breakthrough; and its solution The technical features of the problem are mainly comprising a space inside the upper and lower bodies, wherein the interior of the space is provided with a torsion spring having a predetermined torque value and a ratchet device relative to the top support torsion spring, wherein The swaying device is rotatably supported by the upper and lower bodies, and the inside of the swaying device is relatively screwed to the outlet of the machine body, and the swaying device is configured to press the wire against the machine. The pressure end of the end; the innovative and unique design enables the locking device of the invention to lock the wire to the end of the machine platform, and the torque device for locking the wire can be moderately locked by the internal torque device Fastened to the end of the machine, and will not be partially broken due to excessive clamping on the pressing end of the bottom of the second ratchet and the abutting end of the machine end, or the wire will not be loosened due to over-spinning The problem of poor contact of the machine end connection further improves the practical progress of the convenience of the fixed torque locking mechanism of the present invention in the DIY configuration circuit.

Please refer to FIGS. 1~4, which are preferred embodiments of the fixed torque locking device of the electrical circuit connector of the present invention, but the embodiments are for illustrative purposes only and are not limited by the structure in the patent application. .

The main body of the upper and lower bodies (10, 15) has a space inside, and the inside of the space is sequentially provided with a torsion spring (20) having a predetermined torque value, and a relative to the top support torsion spring (20). a ratchet device (30), wherein an upper and a lower body (10, 15), wherein the upper body (10) is internally formed with a non-circular groove (11), and a bottom edge of the upper body (10) is formed a combination end (13) having an internal thread section, and the lower body (15) is provided with an externally threaded section corresponding to the assembly end (13) The end (16), and the connecting end (13) of the upper body (10) can be screwed to the assembled end (16) of the lower body (15) in an integrally screwed state, and the lower body (15) A ring protrusion (17) is annularly convex at a predetermined position, and a flange (18) is formed on the top of the ring protrusion (17), and the outer edge of the upper and lower bodies (10, 15) is combined. The sleeve is covered with a sleeve (40) having a roll outer shape; a torsion spring (20) having a predetermined torque value and being limited to the inside of the upper and lower bodies (10, 15); a ratchet The device (30) is supported on the top of the torsion spring (20), and the bottom portion is annularly disposed on the lower body (15), wherein the ratcheting device (30) respectively includes a first ratchet member (31) and a second ratchet member (35), and the first ratchet member (31) is provided with a first ratchet portion (32) in a ratchet form toward one end of the second ratchet member (35), and the second ratchet member (35) The first ratchet portion (32) corresponding to the first ratchet member (31) is provided with a second ratchet portion (37) which is relatively rigidly engageable, and the first ratchet member (31) A non-circular end (34) is disposed at one end of the upwardly facing body (10), and the non-circular end (34) is provided with a stop portion (33) toward one end of the torsion spring (20) And the non-circular end (34) of the first ratchet member (31) can fit directly into the non-circular groove (11) of the upper body (10), so that the first ratchet member (31) can be made. The upper body (10) is coupled to the upper body (10), and the lower body (15) of the upper body (10) is screwed, and the inner portion of the second ratchet member (35) is hollowed with an internal thread segment (36). The female threaded section (36) can be screwed to the outlet head (62) of the machine table (60); and the bottom end of the second ratcheting portion (37) is connected to the lower body by the limiting ring ( The inner edge of 15), wherein the second ratchet member (35) is opposite to the limit ring The means for turning to the lower body (15) may be formed with a ring-shaped end (38) at the end of the second ratchet member (35), and the lower body (15) corresponds to the ring of the second ratchet member (35) The end (38) is provided with a ring protrusion (17), and the top end edge of the ring fitting end (38) is formed with a stopping portion (39), and the bottom convex portion (17) of the lower body (15) The retaining portion (39) of the end edge of the ring-shaped end (38) of the second ratchet member (35) is provided with a retaining edge (18), and after the second ratchet member (35) is restrained The ring-shaped end (38) protrudes downwardly, and is retractable by a limiting member (50) having a ring fitting portion (51) to be limited to the ring of the second ratchet member (35). The bottom end (38) and the bottom end of the limiting member (50) are formed with a pressing end (52) for pressing and positioning the free end of the wire (70) on the machine end ( 61) position; a machine (60), which is provided with a machine connection end (61) for transmitting signals, power or video, and a center end of the machine end (61) is provided with a wire outlet (62), wherein the outer edge of the top end of the outlet head (62) is formed with an externally threaded section (64), and the externally threaded section (64) is screwed into the internal thread of the second ratchet member (35). Paragraph (36), and a predetermined position of the bottom side portion of the outlet head (62) is through a outlet hole (65), so that the wire (70) is inserted through one end of the outlet hole (65) and then passed out through the other end straight line, and the machine The top edge of the terminal end (61) corresponds to the pressing end (62) of the limiting member (50) to form a radial end of the contact end (66); thereby, the user needs to first strip the front end of the wire (70). The outer skin of the position is such that the core portion exposes a contact end (72), and the wire (70) is inserted through one end of the outlet hole (65) and then passed through the other end, or The U-shaped contact end (72) at the front end of the wire (71) in the form of a U-shaped crimping terminal is fitted over the bottom edge of the outlet head (62), and then the user needs to dial the upper and lower body. (10, 15) the outer edge of the sleeve (40), and the non-circular groove (11) of the upper body (10) is made to rotate the non-circular end (34) of the first ratchet member (31) When the non-circular end (34) of the first ratchet member (31) is rotated, the first ratchet portion (32) of the first ratchet member (31) is sprungly engaged. The second ratchet portion (37) of the second ratchet member (35) is in a linked rotating state, and when the second ratchet member (35) is rotated, the inner threaded portion of the second ratchet portion (37) 36) screwing the external thread segment (64) of the outlet end (62) of the machine end (61) with the screw and tightening the pressing end (52) of the bottom end of the second ratchet member (35) The first ratchet member (31) is located at the free end of the wire (70) at the abutting end (66) of the machine end (61) when the force of the user's rotation exceeds the torque of the torsion spring (20). The first ratchet portion (32) will relatively jump off the second ratchet portion (37) of the second ratchet member (35).

Accordingly, when the locking device locks the wire (70) to the machine end (61) of the machine table (60), the torque of the wire (70) is locked by the internal torque device. It can be properly locked to the machine end (61) without being over-clamped to the end of the bottom end of the second ratchet (35) and the end of the machine end (61) ( 66) causing partial breakage, or not causing poor contact between the wire (70) and the machine end (61) due to over-spinning, thereby improving the fixed torque locking mechanism of the present invention in the DIY configuration circuit wire ( 70) The practical advancement of convenience.

(10) ‧‧‧Ontology

(11)‧‧‧Non-circular slots

(13) ‧‧‧Groups

(15) ‧‧‧ Ontology

(16) ‧ ‧ set end

(17) ‧‧‧ ring convex

(18)‧‧‧ 缘缘

(20)‧‧‧Torque spring

(30)‧‧‧Spin device

(31)‧‧‧First ratchet

(32) ‧‧‧First spurs

(33) ‧ ‧ ward

(34)‧‧‧Non-round end

(35) ‧‧‧Second ratchet

(36)‧‧‧Threaded section

(37) ‧‧‧Second spine

(38) ‧‧‧ring end

(39) ‧‧‧stops

(40) ‧ ‧ set

(50) ‧‧‧Limited parts

(51) ‧‧‧ Ring Insertion

(52) ‧ ‧ 压

(60)‧‧‧ Machines

(61) ‧‧‧machine end

(62) ‧‧‧ Outlet

(64)‧‧‧External thread segments

(65)‧‧‧Outline

(66) ‧‧‧Right end

(70)‧‧‧ wires

(71) ‧‧‧ wires

(72) ‧‧‧Contact

Fig. 1 is a perspective view showing the combination of the fixed torque locking device and the machine end of the present invention.

Fig. 2 is an exploded perspective view of the fixed torque locking device of the present invention.

Fig. 3 is a schematic view showing the operation of the locking torque of the fixed torque locking device of the present invention on the joint end of the machine.

Fig. 4 is a schematic view showing the action of the locking wire of the fixed torque locking device of the present invention on the end of the machine.

(10) ‧‧‧Ontology

(11)‧‧‧Non-circular slots

(13) ‧‧‧Groups

(15) ‧‧‧ Ontology

(16) ‧ ‧ set end

(17) ‧‧‧ ring convex

(18)‧‧‧ 缘缘

(20)‧‧‧Torque spring

(30)‧‧‧Spin device

(31)‧‧‧First ratchet

(32) ‧‧‧First spurs

(33) ‧ ‧ ward

(34)‧‧‧Non-round end

(35) ‧‧‧Second ratchet

(36)‧‧‧Threaded section

(37) ‧‧‧Second spine

(38) ‧‧‧ring end

(39) ‧‧‧stops

(40) ‧ ‧ set

(50) ‧‧‧Limited parts

(51) ‧‧‧ Ring Insertion

(52) ‧ ‧ 压

(61) ‧‧‧machine end

(62) ‧‧‧ Outlet

(64)‧‧‧External thread segments

(65)‧‧‧Outline

(66) ‧‧‧Right end

Claims (4)

The utility model relates to a fixed torque locking device for an electrical circuit joint, which mainly comprises a space inside the upper and lower body, wherein the interior of the space is provided with a torsion spring with a predetermined torque value and a relative torsion spring. a ratcheting device, wherein the ratcheting device is rotatably biased to the upper and lower bodies, and the inside of the ratcheting device is relatively screwed to the outlet head of the machine body, and the ratcheting device is provided for pressing The wire is in contact with the pressing end of the connecting end of the machine; wherein the ratcheting device comprises a first ratchet member and a second ratchet member, and the first ratchet member is provided with a ratchet shape at one end of the second ratchet member a ratchet portion, and the second ratchet member is provided with a second ratchet portion capable of relatively rattling engagement corresponding to the first ratchet portion of the first ratchet member, and the first ratchet member faces the upper body a non-circular end is disposed at one end, and a non-circular groove is disposed inside the upper body relative to the non-circular end of the first ratchet member, and an inner thread portion is formed in the interior of the second ratchet member. The internal thread segment can be screwed to the outlet head of the machine body, and the bottom end of the second ratchet portion The limiting ring is turned to the inner edge of the lower body, and the second ratchet member is opposite to the limiting ring to the lower body, wherein the second ratchet member is formed with a ring-shaped end, and the lower body corresponds to the second The ring-shaped end of the ratchet member is provided with a ring protrusion, and the top end edge of the ring-fit end is formed with a stop portion, and the bottom end edge of the ring-shaped convex portion of the lower body is embedded with the ring of the second ratchet member The end stop of the end is provided with a retaining edge, and the ring-shaped end of the second ratchet member is extended downward, and the ring can be locked by a ring-shaped insert with a ring inserting portion. a ring-shaped end of the second ratchet member, and a bottom end of the limiting member is formed with a pressing end; according to the locking device, when the torque value of the locking wire exceeds a predetermined torque value limit of the torsion spring, the spine The moving device will be in a trip state and cannot Continue to lock the locker. The fixed torque locking device for an electrical line joint according to claim 1, wherein the upper and lower bodies are respectively provided with an assembled end of an externally threaded section and a set of an internally threaded section. The receiver. The fixed torque locking device of the electrical circuit connector according to the first aspect of the invention, wherein the outer edge of the upper and lower bodies can be sleeved and covered with a roller outer edge. The fixed torque locking device of the electrical circuit connector according to the first aspect of the patent application, wherein a top end of the connecting end of the machine has a wire outlet, and a bottom hole is formed on the bottom edge of the wire outlet. Moreover, the outer edge of the top end of the outlet head is provided with an external thread segment.