CN212411855U - Wire stripping-free flexible wire switch - Google Patents

Abstract

The utility model discloses a wire stripping-free flexible wire switch, which comprises an upper shell, a lower shell and a switch component arranged on the lower shell; the switch assembly comprises a first conducting plate, a second conducting plate and a switch button; the switch button is used for controlling the first conducting strip and the second conducting strip to be connected or disconnected; piercing terminals are respectively arranged at the ends of the first conducting strip and the second conducting strip, which are far away from each other; the piercing terminal comprises a pointed bulge and a limiting piece arranged opposite to the pointed bulge; a wire clamping groove for clamping a wire is formed between the pointed protrusion and the limiting piece; the width of the wire clamping groove is not more than the outer diameter of the wire insulating layer; the upper shell is provided with a wire pressing block, the wire pressing block presses the wire into the wire clamping groove, and the top of the pointed bulge pierces through the insulating layer of the wire to be contacted with the metal core wire of the wire; the utility model discloses can accomplish the wire when the assembly and connect, need not to remove the insulating layer of wire earlier before the assembly, simplify assembly process, assembly efficiency is high, the security is good, low in production cost.

Description

Wire stripping-free flexible wire switch

Technical Field

The utility model relates to a switch technical field especially relates to a exempt from wire stripping patchcord switch.

Background

At present, various lamps are widely used in daily life and work of people, such as table lamps, floor lamps, bedside lamps and the like, and most of the lamps adopt a flexible cord switch to control the on-off of a power supply, so that the flexible cord switch is also increasingly popularized. The existing flexible wire switch is mostly composed of a shell, a switch button, a metal conducting strip and other parts, and the shell is also provided with a wiring hole corresponding to a wire. In the process of connecting and installing the lead and the switch, a tool is usually used to remove the insulating layer of the lead, then the lead is inserted into the switch and is connected with the conducting strip in a stamping mode, or the lead and the conducting strip are directly welded and fixed; not only the process is complicated, and assembly efficiency is low, and the dynamics is difficult to grasp moreover, leads to the defective products easily, also increases manufacturing cost. In addition, improper wire stripping operation also easily influences the normal use of switch, leads to potential safety hazards such as contact failure or short circuit. Therefore, there is a need to develop a cord switch that is easy to install, efficient to assemble, and safe and reliable.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a wire stripping-free flexible wire switch, which can extrude a wire during the assembly and is fixed in a wire clamping groove, and a wire insulation layer is punctured by a pointed bulge 341 to form electric connection with a metal wire, thereby simplifying the assembly process; meanwhile, the conducting strip and the conducting wire are good in fixing effect, poor contact is overcome, the conducting wire cannot deviate, and the flexible wire switch is sensitive and reliable to conduct and break.

The purpose of the utility model is realized by adopting the following technical scheme: a wire stripping-free flexible wire switch comprises an upper shell, a lower shell and a switch assembly, wherein the upper shell and the lower shell are connected in a buckling manner; the switch assembly comprises a first conducting strip, a second conducting strip and a switch button; the first conducting strip and the second conducting strip are respectively connected with a wire, and the switch button is used for controlling the first conducting strip and the second conducting strip to be connected or disconnected so as to electrify or disconnect the two wires; the circuit is characterized in that piercing terminals are respectively arranged at the ends, far away from each other, of the first conducting strip and the second conducting strip; the piercing terminal comprises a pointed bulge and a limiting piece arranged opposite to the pointed bulge; a wire clamping groove for clamping a wire is formed between the pointed protrusion and the limiting piece; the width of the wire clamping groove is smaller than the outer diameter of the wire insulating layer; the upper shell is provided with a wire pressing block, and the wire pressing block is positioned above the piercing terminal; during assembly, the wire pressing block presses down and extrudes the wire into the wire clamping groove, and meanwhile, the top of the pointed bulge pierces the insulating layer of the wire and contacts with the metal core wire.

As a further explanation of the above scheme, the piercing terminal includes two limiting members, the pointed protrusion is located between the two limiting members, and the wire clamping groove is formed between the pointed protrusion and any one of the limiting members.

As a further explanation of the above scheme, the piercing terminal is detachably connected to the first conductive sheet and the second conductive sheet, respectively.

As a further explanation of the scheme, the top of the pointed bulge is provided with a puncture needle.

As a further explanation of the above scheme, the wire pressing block abuts against the upper surfaces of the two limiting pieces at the same time, and the wire pressing block is provided with the avoidance notch of the pointed protrusion in a concave manner along the vertical direction.

As a further explanation of the above scheme, the first conductive sheet and the second conductive sheet are further provided with a blocking piece, the limiting member is provided with a hollow cavity, and the blocking piece is parallel to the limiting member and is located in the hollow cavity of the limiting member.

As a further explanation of the above scheme, the blocking piece is integrally formed with the first conductive sheet and the second conductive sheet, respectively.

As a further explanation of the above scheme, the lower housing is provided with a fixing seat for mounting the first conductive sheet and the second conductive sheet, two sides of the first conductive sheet and the second conductive sheet are respectively bent upwards to be provided with a bent extending edge, and end portions of the bent extending edges are respectively abutted against an inner wall of the fixing seat.

As a further explanation of the above scheme, the switch assembly further includes a movable contact piece, and the movable contact piece is arranged between the first conductive piece and the second conductive piece; one end of the first conducting strip, which is close to the second conducting strip, is provided with a connecting part which is bent upwards, and the first conducting strip is rotatably connected with the middle part of the movable contact strip through the connecting part; hinge holes are respectively formed in two side walls of the fixed seat, the switch button is provided with a hinge column, and the switch button is hinged to the fixed seat through the cooperation of the hinge column and the hinge hole; the upper shell is provided with a mounting hole matched with the switch button, and the upper part of the switch button is arranged in the mounting hole in a penetrating way; the switch button is also provided with a poke rod which is abutted to the movable contact piece.

As a further explanation of the above scheme, two ends of the upper casing and the lower casing are respectively provided with a wiring notch, and two corresponding wiring notches of the upper casing and the lower casing are spliced to form a wiring hole for a lead to pass through.

As a further explanation of the above scheme, the inner surfaces of the upper shell and the lower shell are respectively and correspondingly provided with a first connecting column and a second connecting column; an inner cavity is formed in the second connecting column, and the first connecting column is inserted in the inner cavity and is in interference fit with the inner cavity.

As a further explanation of the above scheme, a plurality of reinforcing ribs are arranged on the inner wall of the upper shell at intervals.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the flexible wire switch of the utility model can extrude and fix the wire in the wire clamping groove during assembly, puncture the wire insulating layer through the pointed bulge and contact with the metal core wire, and the insulating layer of the wire is not required to be removed before assembly, thus simplifying the assembly process, having high assembly efficiency, good safety and low production cost;

(2) the flexible wire switch of the utility model has reasonable design, when the upper shell is connected with the lower shell in a buckling way, the wire pressing block is pressed against the limiting part to ensure that the conducting strip and the wire have better fixing effect, the poor contact is effectively overcome, the wire can not deviate, the on-off of the flexible wire switch is more sensitive and reliable, and the maintenance cost of the product is reduced;

(3) the sharp bulge and the limiting part of the flexible wire switch of the utility model form a wire clamping groove of the wire, the wire is accurately, conveniently and quickly positioned, and the assembly efficiency is further improved;

(4) the utility model discloses a bellied top felting needle of point shape directly punctures the insulating layer of wire, simple structure, and effectively guarantees to puncture the effect, improves the assembly and assembles the product rate.

Drawings

Fig. 1 is a schematic view of an overall structure of a wire stripping-free cord switch according to a preferred embodiment of the present invention;

fig. 2 is an exploded view of a wire-stripping-free cord switch according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of a switch assembly of a wire stripping-free cord switch according to a preferred embodiment of the present invention;

fig. 4 is a schematic view of a first conductive sheet structure of a wire stripping-free cord switch according to a preferred embodiment of the present invention;

fig. 5 is a schematic diagram of a second conducting strip structure of the wire stripping-free cord switch according to the preferred embodiment of the present invention;

fig. 6 is a schematic structural view of a piercing terminal of a wire stripping-free cord switch according to a preferred embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of the wire stripping-free cord switch according to the preferred embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of the wire stripping-free cord switch according to the preferred embodiment of the present invention;

fig. 9 is a schematic structural view of an upper housing of a wire stripping-free cord switch according to a preferred embodiment of the present invention;

fig. 10 is a schematic view of a lower housing of a wire stripping-free cord switch according to a preferred embodiment of the present invention.

In the figure: 1. an upper housing; 11. pressing the lead; 111. avoiding the notch; 12. mounting holes; 13. a first connecting column; 14. reinforcing ribs; 2. a lower housing; 21. a fixed seat; 211. a hinge hole; 22. a second connecting column; 221. an inner cavity; 3. a switch assembly; 31. a first conductive sheet; 311. a connecting portion; 32. a second conductive sheet; 33. a switch button; 331. a hinged column; 332. a poke rod; 34. piercing the terminal; 341. a pointed protrusion; 3411. a needle; 342. a limiting member; 343. a wire clamping groove; 35. a movable contact spring; 4. a baffle plate; 5. bending and edge extension; 6. and a wiring gap.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 to 10, a wire stripping-free cord switch comprises an upper housing 1, a lower housing 2, and a switch assembly 3 disposed on the lower housing 2; the switch component 3 comprises a first conductive sheet 31, a second conductive sheet 32 and a switch button 33; the switch button 33 is used for controlling the first conductive sheet 31 and the second conductive sheet 32 to be connected or disconnected so as to electrify or disconnect two wires; the first conductive sheet 31 and the second conductive sheet 32 are respectively detachably provided with a piercing terminal 34 at one end far away from each other; the piercing terminal 34 includes a pointed protrusion 341 and a limiting member 342 disposed opposite to the pointed protrusion 341; a wire clamping groove 343 for clamping a wire is formed between the pointed protrusion 341 and the limiting member 342; the width of the wire clamping groove 343 is smaller than the outer diameter of the wire insulating layer; the upper shell 1 is provided with a wire pressing block 11, and the wire pressing block 11 is positioned above the puncture terminal 34; during assembly, the wire pressing block 11 presses down and presses the wire into the wire clamping groove 343, and the top of the pointed protrusion 341 pierces the insulation layer of the wire.

The flexible wire switch of the utility model can extrude and fix the wire in the wire clamping groove during assembly, puncture the wire insulating layer through the pointed bulge and contact with the metal core wire, and the insulating layer of the wire is not required to be removed before assembly, thus simplifying the assembly process, having high assembly efficiency, good safety and low production cost;

in addition, the sharp bulge and the limiting part of the flexible wire switch of the utility model form a wire clamping groove of the wire, so that the wire is accurately, conveniently and quickly positioned, and the assembly efficiency is further improved;

and simultaneously, the utility model discloses a bellied top felting needle of point shape directly punctures the insulating layer of wire, simple structure, and effectively guarantees puncture effect, improves the assembly and assembles the product rate.

In a further preferred embodiment, the piercing terminal 34 includes two of the position-limiting members 342, the pointed protrusion 341 is located between the two position-limiting members 342, and the wire-clamping groove 343 is formed between the pointed protrusion 341 and any one of the position-limiting members 342.

In this embodiment, a wire clamping groove 343 for clamping a wire is formed between the pointed protrusion 341 and any one of the position-limiting members 342, that is, the wire can be installed in the wire clamping groove 343 on one side of the pointed protrusion 341, and the top of the pointed protrusion 341 pierces through the insulating layer of the wire to form an electrical connection with the metal core wire of the wire, so that the wire can be installed more flexibly and positioned quickly and accurately.

In a further preferred embodiment, the piercing terminals 34 are detachably connected to the first conductive sheet 31 and the second conductive sheet 32, respectively. In this embodiment, the piercing terminal 34 is made of stainless steel, and the first conductive sheet 31 and the second conductive sheet 32 are made of brass; the piercing terminal 34 is made of stainless steel, so that structural rigidity is guaranteed, piercing and wire stripping effects on the lead are effectively improved, poor contact is avoided, and the connection and disconnection of the flexible wire switch are sensitive and reliable.

In a further preferred embodiment, the pointed protrusion 341 is provided with a needle 3411 at the top. In this embodiment, the top of the pointed protrusion 341 is provided with a needle 3411, so that the structure of the pointed protrusion 341 is stable, and the needle 3411 pierces the insulation layer of the conductive wire, thereby effectively ensuring the piercing effect and improving the assembly yield.

As a further preferred embodiment, the wire pressing block 11 abuts against the upper surfaces of the two limiting members 342 at the same time, and the wire pressing block 11 is provided with the avoiding notch 111 of the pointed protrusion 341 recessed along the vertical direction.

In this embodiment, the design of the relief notch 111 not only ensures that the structure of the pointed protrusion 341 is not deformed during the assembly process of the cord switch, but also applies pressure to the wire to strengthen the fixation of the wire.

In this embodiment, when going up casing 1 and casing 2 lock and being connected down, wire briquetting 11 with locating part 342 butt is exerted pressure, makes conducting strip and the fixed effect of wire better, effectively overcomes contact failure, and the wire can not take place the skew, and the switching on and off of patchcord switch is all more sensitive reliable, reduces the maintenance cost of product.

As a further preferred embodiment, the first conductive sheet 31 and the second conductive sheet 32 are further provided with a blocking piece 4, the limiting member 342 is provided with a hollow cavity, and the blocking piece 4 is parallel to the limiting member 342 and is located in the hollow cavity of the limiting member 342.

In the present embodiment, the limiting member 342 has a hollow cavity, so that the overall weight of the cord switch is reduced while the structural strength is ensured, and the production cost is reduced; in addition, the baffle plate 4 can ensure the fixation of the conducting wire, and can also enhance the stability of the puncture terminal 34, and the design is ingenious.

As a further preferred embodiment, a fixing seat 21 for mounting the first conductive plate 31 and the second conductive plate 32 is disposed on the lower case 2, two sides of the first conductive plate 31 and the second conductive plate 32 are respectively bent upward to be provided with a bent extending edge 5, and an end of the bent extending edge 5 is respectively abutted against an inner wall of the fixing seat 21. In this embodiment, the bending extending edge 5 is in interference fit with the inner wall of the fixing seat 21, so that the friction force between the bending extending edge 5 and the inner wall of the fixing seat 21 is increased, the first conducting strip 31 and the second conducting strip 32 are firmly clamped in the fixing seat 21, and the fixing effect is further improved.

As a further preferred embodiment, the switch assembly further includes a movable contact 35, the movable contact 35 is disposed between the first conductive sheet 31 and the second conductive sheet 32; one end of the first conducting strip 31 close to the second conducting strip 32 is provided with a connecting part 311 bent upwards, the first conducting strip 31 is rotatably connected with the middle part of the movable contact piece 35 through the connecting part 311, and one end of the movable contact piece 35 is abutted against the second conducting strip 32; two side walls of the fixed seat 21 are respectively provided with a hinge hole 211, the switch button 33 is provided with a hinge column 331, and the switch button 33 is hinged on the fixed seat 21 through the matching of the hinge column 331 and the hinge hole 211; the upper shell 1 is provided with a mounting hole 12 matched with the switch button 33, and the upper part of the switch button 33 is arranged in the mounting hole 12 in a penetrating way; the switch button 33 is further provided with a poke rod 332, and the poke rod 332 is abutted with the movable contact piece 35.

In this embodiment, as shown in fig. 3, the poke rod 332 of the button 33 abuts against the movable contact piece 35, the first conductive piece 31 is rotatably connected with the middle part of the movable contact piece 35 through the connecting part 311, that is, the movable contact piece 35 is clamped between the poke rod 332 and the connecting part 311 of the first conductive piece 31, and the three form a lever structure, and when the switch button 33 is pressed to press the poke rod 332 to press one end of the movable contact piece 35 away from the first conductive piece 31, the movable contact piece is contacted with the second conductive piece 32 to form a passage; when the switch button 33 is pressed, the poke rod 332 presses down one end of the movable contact piece 35 close to the first conductive piece 31, so that one end of the movable contact piece 35 far from the first conductive piece 31 is tilted, and the movable contact piece is separated from the second conductive piece 32 to form an open circuit.

In a further preferred embodiment, two ends of the upper casing 1 and the lower casing 2 are respectively provided with a wiring notch 6, and two corresponding wiring notches 6 of the upper casing 1 and the lower casing 2 are spliced to form a wiring hole for a lead to pass through.

As a further preferred embodiment, the inner surfaces of the upper shell 1 and the lower shell 2 are respectively provided with a first connecting column 13 and a second connecting column 22 correspondingly; an inner cavity 221 is formed in the second connecting column 22, and the first connecting column 13 is inserted into the inner cavity 221 and is in interference fit with the inner cavity 221.

In this embodiment, the first connecting column 13 is inserted into the inner cavity 221 and is in interference fit with the inner cavity, so that the friction between the first connecting column 13 and the wall of the inner cavity is increased, the structure is simple, and the upper shell 1 and the lower shell 2 are more stably mounted and are not easy to fall off.

As a further preferred embodiment, a plurality of reinforcing ribs 14 are arranged at intervals on the inner wall of the upper shell 1.

When the utility model is assembled, the first conducting strip 31 and the second conducting strip 32 are respectively fixed and clamped in the fixed seat 21, then one end of the movable contact piece 35 is rotatably connected with the connecting part 311 of the first conducting strip 31, the switch button 33 is hinged on the fixed seat 21, and the poke rod 332 of the switch button 33 is abutted against the movable contact piece 35;

then use the utility model discloses assembly wire: firstly, one ends of two wires respectively extend into the fixed seat 21 through the wiring notches 6 on the lower shell 2, and are respectively installed above the wire clamping grooves 343 of the first conducting strip 31 and the second conducting strip 32 and positioned, then the upper shell 1 is buckled and connected with the lower shell 2, at the moment, the wire pressing block 11 presses down and extrudes the wires to the wire pressing grooves 343, and the top of the pointed bulge 341 punctures the insulating layer of the wires, thus completing the assembly.

In the assembling process, the wire pressing block 11 of the upper shell 1 can extrude and fix the wire in the wire clamping groove 343, the insulation layer of the wire is punctured by the pointed protrusion 341 and is contacted with the metal core wire, the insulation layer of the wire does not need to be removed before assembling, the assembling process is simplified, the assembling efficiency is high, the safety is good, and the production cost of the product is reduced; meanwhile, the wire is accurately, conveniently and quickly positioned, the wire fixing effect is good, poor contact is effectively overcome, the wire cannot deviate, the on and off of the flexible wire switch are sensitive and reliable, and the maintenance cost of the product is reduced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. A wire stripping-free flexible wire switch comprises an upper shell, a lower shell and a switch assembly, wherein the upper shell and the lower shell are connected in a buckling manner; the switch assembly comprises a first conducting strip, a second conducting strip and a switch button; the first conducting strip and the second conducting strip are respectively connected with a wire, and the switch button is used for controlling the first conducting strip and the second conducting strip to be connected or disconnected so as to electrify or disconnect the two wires; the circuit is characterized in that piercing terminals are respectively arranged at the ends, far away from each other, of the first conducting strip and the second conducting strip; the piercing terminal comprises a pointed bulge and a limiting piece arranged opposite to the pointed bulge; a wire clamping groove for clamping a wire is formed between the pointed protrusion and the limiting piece; the width of the wire clamping groove is not more than the outer diameter of the wire insulating layer; the upper shell is provided with a wire pressing block, and the wire pressing block is positioned above the piercing terminal; during assembly, the wire pressing block presses down to extrude the wire into the wire clamping groove, and meanwhile, the top of the pointed bulge pierces through the insulating layer of the wire and contacts with the metal core wire.

2. The wire-stripping-free cord switch of claim 1, wherein the piercing terminal comprises two of the retaining members, the pointed protrusion is located between the two retaining members, and the wire-clamping groove is formed between the pointed protrusion and any one of the retaining members.

3. The wire-stripping-free cord switch as claimed in claim 1, wherein said piercing terminal is detachably connected to said first conductive plate and said second conductive plate, respectively.

4. The wire-stripping-free cord switch of claim 1, wherein a spike is provided on the top of the pointed projection.

5. The wire-stripping-free cord switch as claimed in claim 1, wherein the wire pressing block abuts against the upper surfaces of the two limiting members, and the wire pressing block is provided with an avoiding notch of the pointed protrusion in a concave manner in the vertical direction.

6. The wire-stripping-free cord switch as claimed in claim 1, wherein the first conductive sheet and the second conductive sheet are further provided with a blocking piece, the limiting member is provided with a hollow cavity, and the blocking piece is parallel to the limiting member and is located in the hollow cavity of the limiting member.

7. The wire-stripping-free cord switch as claimed in claim 1, wherein the lower casing is provided with a fixing seat for mounting the first conducting strip and the second conducting strip, two sides of the first conducting strip and the second conducting strip are respectively provided with a bending extending edge in an upward bending manner, and the end parts of the bending extending edges are respectively abutted against the inner wall of the fixing seat.

8. The wire-stripping-free cord switch of claim 7, wherein the switch assembly further comprises a movable contact piece, the movable contact piece being disposed between the first and second conductive pieces; one end of the first conducting strip, which is close to the second conducting strip, is provided with a connecting part which is bent upwards, and the first conducting strip is rotatably connected with the middle part of the movable contact strip through the connecting part; hinge holes are respectively formed in two side walls of the fixed seat, the switch button is provided with a hinge column, and the switch button is hinged to the fixed seat through the cooperation of the hinge column and the hinge hole; the upper shell is provided with a mounting hole matched with the switch button, and the upper part of the switch button is arranged in the mounting hole in a penetrating way; the switch button is also provided with a poke rod which is abutted to the movable contact piece.

9. The wire-stripping-free cord switch as claimed in any one of claims 1 to 8, wherein both ends of said upper and lower casings are respectively provided with a wiring notch, and two corresponding wiring notches of the upper and lower casings are spliced to form a wiring hole for a lead to pass through.

10. The wire-stripping-free cord switch as claimed in any one of claims 1 to 8, wherein the inner surfaces of the upper shell and the lower shell are respectively provided with a first connecting column and a second connecting column; an inner cavity is formed in the second connecting column, and the first connecting column is inserted in the inner cavity and is in interference fit with the inner cavity.

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