CN211700593U - Wire locking device - Google Patents

Abstract

A wire locking device comprises a wire locking buckle main body, a conducting strip, a wire pressing unit and a wire locking buckle cover; the conducting strip is inserted in the wire locking buckle main body; the locking wire buckle cover is covered on the locking wire buckle main body, and wire holes corresponding to the number and the positions of the conducting strips are formed in the locking wire buckle cover; the wire pressing unit is clamped on the wire locking buckle main body and presses a lead of an external circuit to the conducting strip. The wire locking device is convenient and quick to install without other auxiliary tools, and leads of external circuits are tightly connected with the conducting strips through the wire pressing units, so that reliability is improved.

Description

Wire locking device

Technical Field

The utility model relates to a circuit interface technical field especially relates to a locking wire device.

Background

There are many electric appliances used outdoors in life, such as outdoor lighting fixtures. Since these electric appliances are connected to an external line to which a power source is connected, in order to prevent leakage of electricity and to ensure safety when used outdoors, the waterproof and moisture-proof requirements are generally high, and particularly, the joint between the electric appliances and the external line should be prevented from moisture as much as possible.

A pin-type wire-locking buckle is disclosed in patent 201820615218.1, please refer to fig. 1, which comprises a wire-locking buckle body 2000, a nut sleeve 2100, a wire-locking nut 2200, a wire-locking rubber ring 2300 and a wire-locking fastening sleeve 2400; a nut sleeve 2100 is installed at one end of the wire locking buckle body 2000 in a threaded manner, a wire locking nut 2200 is installed at one end of the nut sleeve 2100, which is far away from the wire locking buckle body 2000, in a threaded manner, a wire locking rubber ring 2300 is arranged inside the nut sleeve 2100, and a wire locking buckling sleeve 2400 is arranged at one end of the wire locking rubber ring 2300, which is far away from the wire locking buckle body 2000; one end of the wire locking buckle main body 2000, which is far away from the nut sleeve 2100, is provided with a wire locking buckle positioning piece 2001, a needle and jade copper sheet 2002 is arranged in the wire locking buckle main body 2000, and the wire locking buckle main body 2000 is further provided with a screw hole penetrating through the outer wall of the wire locking buckle main body and a screw 2003 installed in the screw hole so as to realize tight connection between the needle and jade copper sheet 2002 and an external circuit. When the external circuit 800 is used, the external circuit 800 sequentially passes through the wire locking nut 2200, the wire locking fastening wire sleeve 2400, the wire locking rubber ring 2300 and the nut sleeve 2100, the wire locking nut 2200 is screwed tightly, the external circuit 800 is fixed through the wire locking fastening wire sleeve 2400, then three leads of the external circuit 800 are respectively connected into corresponding holes in the goyu copper sheet 2002 in the wire locking fastening body 2000 and are aligned and clamped through the screws 2003, and finally the nut sleeve 2100 and the wire locking fastening body 2000 are screwed tightly. When the pin-type wire locking buckle is used, since the screw 2003 is used for clamping, an auxiliary tool such as a screwdriver is required, which makes the installation inconvenient. Further, the screw 2003 is screwed into a screw hole formed in the outer wall of the clip main body 2000, and if the screw 2003 is not tightened, moisture may flow into the screw hole along the outer wall of the clip main body 2000 and permeate into the inside of the clip main body 2000 and even the inside of the lamp from a gap, thereby causing a short circuit and damaging the lamp.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a locking wire device is in order to realize that the installation is convenient and improve the security.

The utility model discloses a following technical scheme realizes:

a wire locking device comprises a wire locking buckle main body, a conducting strip, a wire pressing unit and a wire locking buckle cover; the conducting strip is inserted in the wire locking buckle main body; the locking wire buckle cover is covered on the locking wire buckle main body, and wire holes corresponding to the number and the positions of the conducting strips are formed in the locking wire buckle cover; the wire pressing unit is clamped on the wire locking buckle main body and presses a lead of an external circuit to the conducting strip.

Compared with the prior art, the wire pressing unit can be used for connecting the external circuit with the conducting strip without an auxiliary tool, and the operation is simple and rapid.

Further, the wire pressing unit is an elastic pressing device and is arranged between the wire locking buckle cover and the wire locking buckle main body. The elastic pressing device can tightly attach the external circuit to the conductive sheet.

Furthermore, the lead pressing unit comprises a wire clamping elastic sheet and a switch shifting sheet; the wire clamping elastic sheet is a U-shaped elastic sheet, a U-shaped opening faces the wire locking buckle cover, one side of the wire clamping elastic sheet is close to the conducting sheet, a baffle plate is arranged at the opening of the U-shaped elastic sheet and connected with the other side of the wire clamping elastic sheet, a wiring port is formed in the baffle plate, and the conducting sheet is inserted into the wiring port; the switch shifting piece is positioned on the other side, far away from the conducting piece, of the wire clamping elastic piece, the switch shifting piece comprises a handle plate and a protrusion, wherein the protrusion is positioned at one end of the handle plate and faces the conducting piece, and when the handle plate is shifted to rotate the switch shifting piece, the protrusion is far away from or close to the wire clamping elastic piece. The cooperation of card line shell fragment and switch plectrum can be according to the installation requirement and open and close the locking wire buckle closure, and the installation is simple.

Further, the wire locking buckle main body and the conducting strip are injected into a whole. The main body of the wire locking buckle is formed with the conducting strip, so that moisture can be prevented from entering the interior of an electric appliance connected with the wire locking device, and the damage to the electric appliance is reduced.

Further, still include the locking wire unit, the locking wire unit is installed on the locking wire buckle main part and guide external line gets into the locking wire buckle main part. The external circuit can be guided into the wire locking buckle main body through the wire locking unit and fixed.

Further, the locking wire unit comprises a locking wire nut, a locking wire rubber ring, a locking wire fastening wire sleeve and a nut sleeve; the nut sleeve is arranged at one end of the wire locking buckle main body and is in threaded connection with the wire locking buckle main body, and the wire locking nut is arranged at one end, far away from the wire locking buckle main body, of the nut sleeve; the wire locking rubber ring is inserted into the wire locking and fastening wire sleeve and is arranged at one end, far away from the wire locking and fastening main body, of the nut sleeve. The wire locking nut, the wire locking rubber ring, the wire locking fastening wire sleeve and the nut sleeve are mutually matched to play a waterproof role.

Furthermore, the wire locking unit also comprises a nut sleeve O-shaped ring, and the nut sleeve O-shaped ring is arranged inside the nut sleeve and is fixed between the nut sleeve and the wire locking buckle main body. The nut sleeve O-shaped ring plays a further waterproof role.

Further, still include waterproof unit, waterproof unit sets up nut cover with it is waterproof to lock line buckle the main part between. The waterproof unit can prevent moisture from entering the inside of the wire locking buckle main body between the nut sleeve and the wire locking buckle main body.

Further, waterproof unit includes waterproof rubber ring, waterproof rubber ring sets up nut cover with it is waterproof to lock line buckle between the main part. The waterproof rubber ring plays a further waterproof role.

Further, the waterproof unit also comprises a plastic nut, and the plastic nut is in threaded connection with the wire locking buckle main body and compresses the waterproof rubber ring. The plastic nut compresses the waterproof rubber ring to realize sealing and waterproofing.

Drawings

FIG. 1 is a schematic view of a prior art pin-type wire locking buckle;

fig. 2 is a schematic structural view of a wire locking device of the present invention;

FIG. 3 is a perspective view of the latch fastener body of the present invention;

fig. 4 is a cross-sectional view of the main body of the locking wire buckle with the locking wire buckle cover of the present invention;

fig. 5 is a cross-sectional view of the wire locking buckle main body provided with the wire locking buckle cover and the wire pressing unit of the present invention;

fig. 6 is a schematic structural view of the wire clip spring of the present invention;

fig. 7 is a schematic structural view of the switch driving piece of the present invention;

fig. 8 is a schematic structural view during installation of the present invention;

fig. 9 is a cross-sectional view of the middle handle plate of the present invention in a state perpendicular to the lower body;

FIG. 10 is a cross-sectional view of the handle plate of the present invention in a state parallel to the lower body;

FIG. 11 is a cross-sectional view of the lead wire of the external circuit inserted into the wire connection port;

fig. 12 is an overall schematic view of the wire locking device according to the present invention when the installation is completed.

Detailed Description

The utility model discloses a locking wire device utilizes conducting strip and external line to be connected to thereby compress tightly the unit through the wire and compress tightly the realization to outside lead wire and need not to pass through appurtenance with external line and conducting strip zonulae occludens, and prevent that moisture from getting into the inside purpose of electrical apparatus.

Specifically, referring to fig. 2, a wire locking device includes a wire locking buckle body 10, a conductive sheet 20, a wire pressing unit 30, a wire locking buckle cover 40, and a wire locking unit 60. After passing through the wire locking unit 60 and the wire locking buckle cover 40, the external circuit is connected to the conductive sheet 20 inside the wire locking buckle body 10, and the lead wire pressing unit 30 presses the lead wire of the external circuit onto the conductive sheet 20.

Referring to fig. 3 and 4, the wire locking buckle body 10 includes an upper body 11 and a lower body 12, the upper body 11 is a cylinder with threads on an outer wall, the lower body 12 is a plate-shaped body having a shape slightly larger than the upper body 11 to support the upper body 11, the upper body 11 is located on one side of the lower body 12, a central axis of the upper body 11 is perpendicular to the lower body 12, and an electric appliance is installed on the other side of the lower body 12; a cavity 110 with an opening facing away from one end of the lower body 12 is arranged in the upper body 11, the cavity 110 is surrounded by a first outer wall 111, a second outer wall 112 and a third outer wall 113 which are all perpendicular to the lower body 12, the second outer wall 112 and the third outer wall 113 are respectively connected with the first outer wall 111, and a gap 114 is formed between the second outer wall 112 and the third outer wall 113; a mounting groove (not shown) penetrating through both the upper body 11 and the lower body 12 is formed in the cavity 110, and the conductive plate 20 is inserted into the mounting groove from one end of the conductive plate located in the cavity 110 and protrudes from the other end of the conductive plate to be connected with an electric appliance; the number of the cavities 110 and the mounting grooves is the same as that of the conductive sheets 20 to be mounted; in this embodiment, the number of the cavities 110, the mounting grooves, and the conductive sheets 20 is 3. Furthermore, it is preferable that the latch body 10 is integrally injected with the conductive plate 20, one end of the conductive plate 20 protrudes in the cavity 110, and the other end protrudes below the lower body 12; the integrally formed wire locking buckle main body 10 is tightly connected with the conductive sheet 20, even if moisture enters the cavity 110, the moisture cannot enter an electric appliance connected with the wire locking buckle main body 10, and the occurrence rate of short circuit of the electric appliance is reduced.

The locking line cover 40 is covered on the upper body 11, the locking line cover 40 is provided with line holes 401 corresponding to the positions and the number of the conductive sheets 20, and the leads of the external circuit 800 are inserted from the line holes 401 and then connected with the conductive sheets 20. In the present embodiment, the number of the line holes 401 is 3 and is close to above the conductive sheet 20.

Referring to fig. 5 to 7, the wire pressing unit 30 is an elastic pressing device clamped in the notch 114 and is pressed and fixed between the wire locking buckle cover 40 and the wire locking buckle body 10 by the wire locking buckle cover 40, the number of the wire pressing units 30 is the same as that of the conductive sheet 20, and the wire pressing unit 30 is pushed to press the lead of the external circuit 800 onto the conductive sheet 20. In the present embodiment, the number of the wire pressing units 30 is 3; the pressing unit 30 includes a wire-clamping elastic sheet 31 and a switch dial 32, the wire-clamping elastic sheet 31 is a U-shaped elastic sheet composed of a first straight portion 311 and a second straight portion 312, a U-shaped opening of the U-shaped elastic sheet faces the wire-locking buckle cover 40, a baffle 313 is arranged at the U-shaped opening, the baffle 313 is connected with the second straight portion 312, a wire-connecting opening 314 is formed in the baffle 313, the conductive sheet 20 is inserted into the wire-connecting opening 314 along the first straight portion 311, and the wire-connecting opening 314 moves in a direction away from the conductive sheet 20 under the elastic force action of the wire-clamping elastic sheet 31 until an edge of the wire-connecting opening 314, which is away from the second straight portion 312, abuts against the conductive sheet 20. Preferably, one end of the first straight portion 311 near the U-shaped opening is snapped into the wire connection opening 314. The switch pulling piece 32 is located on one side of the second linear part 312, and includes a flat-plate-shaped handle plate 321, and a protrusion 322 located at one end of the handle plate 321 and protruding toward the conductive sheet 20; in the switch pulling sheet 32, the end surface of one end of the protrusion 322 is an arc surface 3221; when the handle plate 321 is perpendicular to the lower body 12, an end surface 3222 opposite to the arc surface 3221 is attached to the locking wire buckle cover 40, and the locking wire buckle cover 40 presses the end surface 3222; the inclined surface 3223 is connected between the arc surface 3221 and the end surface 3222, and is inclined toward the end surface 3222 and forms an included angle with the handle plate 321.

The wire locking unit 60 comprises a wire locking nut 61, a wire locking fastening wire sleeve 62, a wire locking rubber ring 63, a nut sleeve 64 and a nut sleeve O-shaped ring 65; wherein, an internal thread matched with the external thread of the thread-locking buckle body 10 is arranged at one end of the nut sleeve 64 close to the thread-locking buckle body 10, the nut sleeve O-shaped ring 65 is arranged in the nut sleeve 64, after the nut sleeve 64 is screwed into the thread-locking buckle body 10, the nut sleeve O-shaped ring 65 is positioned between the nut sleeve 64 and the thread-locking buckle body 10 and is clamped, and for enhancing the waterproof effect, the nut sleeve O-shaped ring 55 and the nut sleeve 54 are in interference fit; the locking thread rubber ring 63 is inserted into the locking thread fastening thread sleeve 62 to form a component; the assembly of the locking wire fastening wire sleeve 62 and the locking wire rubber ring 63 is inserted into the nut sleeve 64 from one end of the nut sleeve 64 far away from the locking wire fastening main body 10; the thread locking nut 61 is installed on one end, far away from the thread locking buckle main body 10, of the nut sleeve 64 in a threaded mode, after the thread locking nut 61 is screwed into the thread locking buckle main body 10, the thread locking fastening sleeve 62 and the thread locking rubber ring 63 are located between the thread locking nut 61 and the nut sleeve 64 and are clamped tightly, and in order to enhance the waterproof effect, the thread locking nut 61, the thread locking fastening sleeve 62, the nut sleeve 64 and the thread locking rubber ring 63 are in interference fit.

Further, a waterproof unit 50 is further included, and the waterproof unit 50 is disposed between the nut sleeve 64 and the latch main body 10 to prevent moisture from entering the latch main body 10 from between the nut sleeve 64 and the latch main body 10. The waterproof unit comprises a waterproof rubber ring 51 and a plastic nut 52; the waterproof rubber ring 51 is sleeved on the upper main body 11 and placed on the lower main body 12, and in this embodiment, the number of the waterproof rubber ring 51 is two. Preferably, in order to enhance the waterproof effect, the waterproof rubber ring 51 is in interference fit with the upper body 11; the plastic nut 52 is provided with an internal thread which is in threaded connection with the external thread of the wire-locking buckle body 10, and the plastic nut 52 is screwed into the wire-locking buckle body 10 and clamps the waterproof rubber ring 51.

In use, referring to fig. 8, the external circuit 800 sequentially passes through the lockwire nut 61, the lockwire fastening sleeve 62, the lockwire rubber ring 63 and the nut sleeve 64, and then three leads of the external circuit 800 are respectively inserted into the three wire holes 401 of the lockwire fastening cover 40. At this time, as shown in fig. 9, since the wire connection port 314 of the wire clamping elastic piece 31 is on the side away from the conductive sheet 20, the baffle 313 of the wire clamping elastic piece 31 is located below the wire hole 401, and the lead of the external circuit 800 is blocked by the baffle 313 and cannot enter the cavity 110, so that the lead cannot be connected with the conductive sheet 20.

Next, referring to fig. 10, when the handle plate 321 of the switch dial 32 is pulled to rotate around the arc surface 3221 and push the switch dial 32 to the conductive plate 20, so that the arc surface 3221 presses the second linear portion 312 of the wire clamping elastic piece 31, the wire clamping elastic piece 31 is elastically deformed due to the pressure force when the first linear portion 311 of the wire clamping elastic piece 31 is blocked by the conductive plate 20, the wire connection port 314 moves towards the conductive plate 20 and moves below the wire hole 401, and the lead of the external circuit 800 is inserted into the wire connection port 314. Preferably, when the switch pulling piece 32 rotates to the position where the handle plate 321 is parallel to the lower body 12, the switch pulling piece 32 is pushed to press towards the wire clamping elastic piece 31.

Next, referring to fig. 11, the handle plate 321 is pulled to make the handle plate 321 return to a state perpendicular to the lower main body 12, the end surface 3222 is pressed and fixed by the wire locking buckle cover 40, the switch moving plate 32 does not apply pressure to the second linear portion 312 any more, the wire clamping elastic sheet 31 returns to an original shape, the wire connection port 314 moves in a direction away from the conductive sheet 20, the lead of the external circuit 800 in the wire connection port 314 is pressed to the conductive sheet 20 and fixed, and the lead of the external circuit 800 is tightly connected to the conductive sheet 20.

In addition, before the lead wire of the external wire 800 is inserted into the wire hole 401 of the wire locking buckle cover 40, the waterproof rubber ring 51 is put on the lower body 12, the plastic nut 52 is screwed to the upper body 11 and the waterproof rubber ring 51 is pressed.

After the lead wire of the external wire 800 is fixed into the wire-locking body 10, screwing the nut bushing 64 into the upper body 11 and pressing the nut bushing O-ring 65; the wire locking fastening sleeve 62 is sleeved on the wire locking rubber ring 63 to form a component, the nut sleeve 64 is inserted into one end far away from the wire locking fastening main body 10, the wire locking nut 61 is screwed into the nut sleeve 64 and presses the wire locking fastening sleeve 62 and the wire locking rubber ring 63, and as shown in fig. 12, the wire locking device is integrally installed with the external circuit 800.

Compared with the prior art, the utility model discloses a locking wire buckle closure, conducting strip and wire compress tightly the fixed of unit realization external circuit, need not other appurtenance during the installation, convenient and fast to compress tightly the lead wire and the conducting strip zonulae occludens that the unit made external circuit through the wire, strengthen the reliability. In addition, the waterproof rubber ring, the nut sleeve O-shaped ring and other structures are arranged, so that moisture is prevented from entering the inside of the wire locking device, and the waterproof function is high; furthermore, the production mode of integral injection molding of the conductive sheet and the wire locking buckle main body is adopted, so that moisture can be effectively prevented from entering the electric appliance, the damage to the electric appliance is reduced, and the service life of the electric appliance is prolonged. The wire locking device is suitable for various electrical appliances and high in product universality.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (10)

1. A wire locking device is characterized by comprising a wire locking buckle main body, a conducting strip, a wire pressing unit and a wire locking buckle cover; the conducting strip is inserted in the wire locking buckle main body; the locking wire buckle cover is covered on the locking wire buckle main body, and wire holes corresponding to the number and the positions of the conducting strips are formed in the locking wire buckle cover; the wire pressing unit is clamped on the wire locking buckle main body and presses a lead of an external circuit to the conducting strip.

2. The wire locking device according to claim 1, wherein the wire pressing unit is an elastic pressing device and is disposed between the wire locking buckle cover and the wire locking buckle main body.

3. The wire locking device according to claim 2, wherein the wire pressing unit comprises a wire clamping spring piece and a switch shifting piece; the wire clamping elastic sheet is a U-shaped elastic sheet, a U-shaped opening faces the wire locking buckle cover, one side of the wire clamping elastic sheet is close to the conducting sheet, a baffle plate is arranged at the opening of the U-shaped elastic sheet and connected with the other side of the wire clamping elastic sheet, a wiring port is formed in the baffle plate, and the conducting sheet is inserted into the wiring port; the switch shifting piece is positioned on the other side, far away from the conducting piece, of the wire clamping elastic piece, the switch shifting piece comprises a handle plate and a protrusion, wherein the protrusion is positioned at one end of the handle plate and faces the conducting piece, and when the handle plate is shifted to rotate the switch shifting piece, the protrusion is far away from or close to the wire clamping elastic piece.

4. The wire locking device of claim 1 wherein the wire locking clasp body is integrally injected with the conductive tab.

5. The wire locking device according to claim 1, further comprising a wire locking unit which is mounted on the wire locking buckle body and guides the external wire into the wire locking buckle body.

6. The wire locking device according to claim 5, wherein the wire locking unit comprises a wire locking nut, a wire locking rubber ring, a wire locking fastening wire sleeve and a nut sleeve; the nut sleeve is arranged at one end of the wire locking buckle main body and is in threaded connection with the wire locking buckle main body, and the wire locking nut is arranged at one end, far away from the wire locking buckle main body, of the nut sleeve; the wire locking rubber ring is inserted into the wire locking and fastening wire sleeve and is arranged at one end, far away from the wire locking and fastening main body, of the nut sleeve.

7. The wire locking device according to claim 6, characterized in that the wire locking unit further comprises a nut sleeve O-ring which is provided inside the nut sleeve and fixed between the nut sleeve and the wire locking buckle body.

8. The wire locking device according to claim 7, further comprising a waterproof unit provided between the nut sleeve and the wire locking buckle main body for waterproofing.

9. The wire locking device according to claim 8, wherein the waterproof unit includes a waterproof rubber ring provided between the nut sleeve and the wire locking buckle main body for waterproofing.

10. The lockwire device according to claim 9, wherein the waterproof unit further comprises a plastic nut that is screwed with the lockwire buckle body and compresses the waterproof rubber ring.

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