阅读说明：本技术 一种具有快速弹性的锁线结构 (Locking wire structure with quick elasticity ) 是由 刘小彦 张�杰 何仲祺 沙奔 海大鹏 寇中辉 崔玉娇 丁涛 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种具有快速弹性的锁线结构,它包括第一销轴、支架、弹片、线夹、第二销轴及螺杆,本发明采用第二销轴铰接线夹的第三弹片轴孔及弹片的第二弹片轴孔构成一“V”形夹,且“V”形夹经第一销轴将弹片的第一弹片轴孔铰接于支架的销轴孔,形成一个固定铰链,在支架的弹片座内,由第二销轴将线夹的第三弹片轴孔与弹片的第二弹片轴孔的铰接形成一个浮动铰链,锁线时,弹片绕支架的销轴孔旋转,直到弹片被弹片座的阻挡块阻挡,通过弹片发生弹性变形,将线缆锁紧在支架与线夹之间,完成锁线。本发明使得线缆与线夹连接转变为柔性、弹性连接,避免了在锁紧外层导体的时候造成中间绝缘体的压伤,提高了连接器的耐疲劳及抗振动性能。(The invention discloses a wire locking structure with quick elasticity, which comprises a first pin shaft, a support, a spring plate, a wire clamp, a second pin shaft and a screw rod. The invention changes the connection of the cable and the wire clamp into flexible and elastic connection, avoids the crushing of the intermediate insulator when the outer conductor is locked, and improves the fatigue resistance and the vibration resistance of the connector.)

1. A wire locking structure with quick elasticity is characterized by comprising a first pin shaft (1), a support (2), an elastic sheet (3), a wire clamp (4), a second pin shaft (5) and a screw (6);

the support (2) is a box body part, a concave arc line groove (21) and a hinge shaft groove (22) are transversely arranged on the upper surface of the support, a screw hole (23) is vertically arranged, a spring piece seat (24) communicated with the hinge shaft groove (22) is longitudinally arranged on the lower surface of the support, and a pin shaft hole and a stop block (25) are transversely arranged in the spring piece seat (24);

the elastic sheet (3) is a strip-shaped stamping part, the bus of the strip-shaped piece is an arc line, and two ends of the strip-shaped piece are respectively provided with a first elastic sheet shaft hole (31) and a second elastic sheet shaft hole (32);

the wire clamp (4) is a strip-shaped stamping part, a first arc (41) and a second arc (42) are sequentially arranged along a bus of the strip-shaped part, a handle (43) and a third elastic sheet shaft hole (44) are respectively arranged at two ends of the wire clamp, and a key slot (45) is arranged on the surface of the strip-shaped part of the wire clamp (4);

the screw (6) is composed of a polished rod section and an external thread section, and the diameter of the polished rod section is smaller than the root diameter of the thread;

the elastic sheet (3) is arranged in an elastic sheet seat (24) of the support (2), a first elastic sheet shaft hole (31) and a second elastic sheet shaft hole (32) of the elastic sheet (3) are respectively positioned in a pin shaft hole and a hinge shaft groove (22) of the support (2), and a first pin shaft (1) penetrates through the first elastic sheet shaft hole (31) of the elastic sheet (3) and the pin shaft hole of the support (2) and is hinged;

the wire clamp (4) is arranged above the arc wire groove (21) on the bracket (2), and the second pin shaft (5) penetrates through a third elastic sheet shaft hole (44) of the wire clamp (4) and a second elastic sheet shaft hole (32) of the elastic sheet (3) and is hinged with the third elastic sheet shaft hole;

the polish rod section of the screw rod (6) is arranged in a key groove (45) of the wire clamp (4), and the external thread section is meshed with the screw hole (23) of the bracket (2).

2. The quick-acting elastic lock line structure according to claim 1, wherein the key slot (45) is formed by a long slot and a round hole at one end of the long slot in a shape of a Chinese character 'tu', and a limit bump (46) is arranged on the long slot.

3. The snap-action spring catch according to claim 1, wherein the clip (4) is provided with flanges along both sides of the strip-like element bus.

Technical Field

The invention relates to the technical field of electric connectors, in particular to a quick and elastic wire locking structure.

Background

In the installation site of communication equipment or electronic and electrical equipment, the use of a connector often needs to be wired on site, most of the traditional wire locking structures of the cables installed on site are directly locked by screws, and as the stress points of the locked wires of the screws are concentrated, for the cables with insulators in wire cores, the middle insulators are easily crushed when the outer-layer conductors are locked, so that the insulation failure is caused; in addition, the direct locking of the screw also has the defects of small wire diameter range of the adaptive cable, no vibration anti-loosening structure and easy loss of the screw in the field installation process.

Disclosure of Invention

The invention aims to provide a wire locking structure with quick elasticity aiming at the defects of the prior art, a V-shaped clamp is formed by hinging a third elastic sheet shaft hole of a wire clamp and a second elastic sheet shaft hole of an elastic sheet by a second pin shaft, the first elastic sheet shaft hole of the elastic sheet is hinged to a pin shaft hole of a bracket by the V-shaped clamp through a first pin shaft to form a fixed hinge, a third elastic sheet shaft hole of the wire clamp and the second elastic sheet shaft hole of the elastic sheet are hinged to form a floating hinge by a second pin shaft in an elastic sheet seat of the bracket, the elastic sheet rotates around the pin shaft hole of the bracket until the elastic sheet is blocked by a blocking block of the elastic sheet seat, and a cable is locked between the bracket and the wire clamp by elastic deformation of the elastic sheet to complete wire locking. The invention changes the connection of the cable and the wire clamp into flexible and elastic connection, avoids the crushing of the intermediate insulator when the outer conductor is locked, and improves the fatigue resistance and the vibration resistance of the connector.

The specific technical scheme for realizing the purpose of the invention is as follows:

a locking wire structure with quick elasticity is characterized in that: the wire clamp comprises a first pin shaft, a support, an elastic sheet, a wire clamp, a second pin shaft and a screw rod; the support is a box body part, a concave arc-shaped wire groove and a hinge shaft groove are transversely arranged on the support, a screw hole is vertically arranged, a spring piece seat communicated with the hinge shaft groove is longitudinally arranged on the lower surface of the support, and a pin shaft hole and a blocking block are transversely arranged in the spring piece seat;

the elastic sheet is a strip-shaped stamping part, the bus of the strip-shaped piece is an arc line, and two ends of the strip-shaped piece are respectively provided with a first elastic sheet shaft hole and a second elastic sheet shaft hole;

the wire clamp is a strip-shaped stamping part, a first arc and a second arc are sequentially arranged along a bus of the strip-shaped part, a handle and a third elastic sheet shaft hole are respectively arranged at two ends of the wire clamp, and a key slot is arranged on the surface of the wire clamp strip-shaped part;

the screw rod consists of a polished rod section and an external thread section, and the diameter of the polished rod section is smaller than the root diameter of the thread;

the elastic sheet is arranged in an elastic sheet seat of the support, a first elastic sheet shaft hole and a second elastic sheet shaft hole of the elastic sheet are respectively positioned at a pin shaft hole of the support and in the hinge shaft groove, and a first pin shaft penetrates through the first elastic sheet shaft hole of the elastic sheet and the pin shaft hole of the support and is hinged with the first elastic sheet shaft hole;

the wire clamp is arranged above the arc wire groove on the bracket, and the second pin shaft penetrates through a third elastic sheet shaft hole of the wire clamp and a second elastic sheet shaft hole of the elastic sheet and is hinged with the third elastic sheet shaft hole;

the polished rod section of the screw rod is arranged in a key groove of the wire clamp, and the external thread section is meshed with the screw hole of the bracket.

The key slot is formed by a long slot and a round hole at one end of the long slot in a convex shape, and the long slot is provided with a limit salient point.

And flanges are arranged on the two side edges of the wire clamp along the strip-shaped piece bus.

The wire clamp is hinged with the elastic sheet by the second pin shaft to form a V-shaped clamp, the V-shaped clamp is hinged with the elastic sheet in the pin shaft hole of the support through the first pin shaft to form a fixed hinge, the wire clamp and the elastic sheet are hinged by the second pin shaft in the elastic sheet seat of the support to form a floating hinge, and when a wire is locked, the elastic sheet rotates around the pin shaft hole of the support until the elastic sheet is blocked by the blocking block of the elastic sheet seat, and the wire is locked between the support and the wire clamp through elastic deformation of the elastic sheet to complete wire locking.

The invention has the beneficial effects that:

the invention solves the problem that the cable is easy to damage when the cable is directly locked by a screw in the connector, and particularly for the cable with the insulator in the wire core, the insulator in the middle is easy to crush when the outer conductor is locked, so that the insulation failure is caused. In addition, the direct locking of the screw also has the defects of small wire diameter range of the adaptive cable, no vibration anti-loosening structure and easy loss of the screw in the field installation process. The invention can be suitable for cables with various specifications, realizes the elastic wire locking effect through the linkage of the screw rod, the wire clamp and the elastic sheet, enables the connection of the cable and the wire clamp to be changed into flexible and elastic connection, avoids the pressure injury of the middle insulator when the outer conductor is locked, and improves the fatigue resistance and the vibration resistance of the connector. The invention has the characteristics of simple structure, safe and reliable use, simple and convenient operation, low cost and compact structure, and meets the configuration of integration and miniaturization of the connector.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a stent according to the present invention;

FIG. 3 is a schematic structural view of the spring plate of the present invention;

FIG. 4 is a bottom view of FIG. 3;

FIG. 5 is a schematic structural view of the cable clamp of the present invention;

FIG. 6 is a bottom view of FIG. 5;

FIG. 7 is a schematic view of the present invention in use;

fig. 8 is a schematic view of another use state of the present invention.

Detailed Description

Referring to fig. 1, the invention includes a first pin 1, a bracket 2, a spring plate 3, a wire clamp 4, a second pin 5 and a screw 6.

Referring to fig. 1 and 2, the bracket 2 is a box body, the upper surface of the bracket is transversely provided with a concave arc-shaped wire groove 21 and a hinge shaft groove 22, the upper surface of the bracket is vertically provided with a screw hole 23, the lower surface of the bracket is longitudinally provided with a spring plate seat 24 communicated with the hinge shaft groove 22, and the inner edge of the spring plate seat 24 is transversely provided with a pin shaft hole and a stop block 25.

Referring to fig. 1, 3 and 4, the elastic sheet 3 is a strip-shaped stamping part, a generatrix of the strip-shaped piece is an arc line, and two ends of the strip-shaped piece are respectively provided with a first elastic sheet shaft hole 31 and a second elastic sheet shaft hole 32.

Referring to fig. 1, 5 and 6, the wire clamp 4 is a strip-shaped stamping part, a first arc 41 and a second arc 42 are sequentially arranged along a generatrix of the strip-shaped stamping part, a handle 43 and a third spring plate shaft hole 44 are respectively arranged at two ends of the strip-shaped stamping part, and a key slot 45 is arranged on the surface of the strip-shaped stamping part of the wire clamp 4.

Referring to fig. 1, the screw 6 is composed of a polished rod section and an external thread section, and the diameter of the polished rod section is smaller than the root diameter of the thread.

Referring to fig. 1, 2 and 5, the elastic sheet 3 is disposed in the elastic sheet seat 24 of the bracket 2, and the first elastic sheet shaft hole 31 and the second elastic sheet shaft hole 32 of the elastic sheet 3 are respectively located at the pin shaft hole of the bracket 2 and in the hinge shaft groove 22, and the first pin shaft 1 passes through the first elastic sheet shaft hole 31 of the elastic sheet 3 and the pin shaft hole of the bracket 2 and is hinged thereto.

Referring to fig. 1, 2, 3 and 5, the wire clamp 4 is disposed above the arc line groove 21 of the bracket 2, and the second pin 5 passes through the third elastic piece shaft hole 44 of the wire clamp 4 and the second elastic piece shaft hole 32 of the elastic piece 3 and is hinged thereto.

Referring to fig. 1, the polish rod section of the screw rod 6 is arranged in the key slot 45 of the wire clamp 4, and the external thread section is engaged with the screw hole 23 of the bracket 2.

Referring to fig. 1, 3 and 4, the key slot 45 is formed by a long slot and a circular hole at one end of the long slot in a shape of a Chinese character 'tu', and a limit bump 46 is arranged on the long slot.

Referring to fig. 1, 3 and 4, the wire clamp 4 is provided with flanges along two side edges of the strip-shaped member bus.

Referring to fig. 1, 3 and 4, in the invention, a key slot 45 formed by a long slot and a round hole is arranged on a wire clamp 4, a limit bump 46 is arranged on the long slot, and a polished rod segment with a diameter smaller than the root diameter of a thread is arranged on a screw rod 6, when the screw rod 6 passes through the round hole of the key slot 45, the polished rod segment slides in the long slot and forcibly passes over the limit bump 46, the polished rod segment of the screw rod 6 can freely move or rotate in the long slot, and the screw rod 6 cannot be separated from the long slot no matter in the working state or the non-working state of the invention.

Referring to fig. 1, 3 and 5, the invention adopts a second pin 5 to hinge the third elastic sheet shaft hole 44 of the wire clamp 4 and the second elastic sheet shaft hole 32 of the elastic sheet 3 to form a V-shaped clamp, the V-shaped clamp hinges the first elastic sheet shaft hole 31 of the elastic sheet 3 to the pin shaft hole of the bracket 2 through the first pin 1 to form a fixed hinge, and the second pin 5 hinges the third elastic sheet shaft hole 44 of the wire clamp 4 and the second elastic sheet shaft hole 32 of the elastic sheet 3 to form a floating hinge in the elastic sheet seat 24 of the bracket 2.

Referring to fig. 1 and 3, in order to meet the connection requirement of cables with different wire diameters, the first arc 41 and the second arc 42 with different curvature radiuses are arranged on the cable clamp 4, so that the cable clamp is convenient to flexibly select and use.

Referring to fig. 1, 3 and 4, the two side edges of the wire clamp 4 along the strip-shaped bus are provided with the turned-over edges, and the turned-over edges are arranged, so that the wire clamp 4 is prevented from damaging the cable along the sharp edges of the two side edges of the strip-shaped bus, and the strength of the wire clamp 4 is improved.

The invention works as follows:

referring to fig. 1, 7 and 8, the wire locking process of the invention is as follows, according to the diameter of the wire, the wire is placed between the arc wire groove 21 of the bracket 2 and the first arc 41 or the second arc 42 of the wire clamp 4, the handle 43 is moved to clamp the wire between the bracket 2 and the wire clamp 4, the handle 43 end of the wire clamp 4 is driven to move towards the bracket 2 along with the tightening of the screw 6, because the second pin shaft 5 is hinged with the third elastic sheet shaft hole 44 of the wire clamp 4 and the second elastic sheet shaft hole 32 of the elastic sheet 3 to form a floating hinge, the floating hinge moves towards the direction far away from the hinge shaft groove 22 of the support 2 and is continuously screwed along with the screw rod 6, the elastic sheet 3 rotates around the pin shaft hole of the support 2 until the elastic sheet 3 is blocked by the blocking block 25 in the elastic sheet seat 24 on the support 2, the elastic sheet 3 is elastically deformed, and the wire cable is locked between the arc wire groove 21 of the support 2 and the wire clamp 4, so that the wire locking is completed. The invention changes the connection of the cable and the wire clamp 4 into flexible and elastic connection, avoids the crushing of the intermediate insulator when the outer conductor is locked, and improves the fatigue resistance and the vibration resistance of the connector.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.