WO2020024088A1

WO2020024088A1 - Lamp wire adjustment and positioning structure

Info

Publication number: WO2020024088A1
Application number: PCT/CN2018/097704
Authority: WO
Inventors: 谢国瑞
Original assignee: 东莞市泰德展示科技有限公司
Priority date: 2018-07-28
Filing date: 2018-07-28
Publication date: 2020-02-06
Also published as: CN208418655U

Abstract

A lamp wire adjustment and positioning structure comprises a wire (1), a tail cover (2), a spring (3), a cord tightener (4), and a fixed base (5). An adjustment and positioning through hole (51) is provided in the fixed base (5). An inner wall at a front end of the adjustment and positioning through hole (51) has an inner sloped surface. The cord tightener (4) extends forwards out of the fixed base (5). The cord tightener (4) is provided with an elastic member (43). The elastic member (43) is provided with a protrusion (44). The spring (3) is disposed inside the adjustment and positioning through hole (51). The tail cover (2) covers a rear end of the fixed base (5). During positioning of the wire (1), the cord tightener (4) is forced to extend forwards under the elastic force of the spring (3); the inner slope of the adjustment and positioning through hole (51) is pressed against the protrusion (44) of the elastic member of the cord tightener (4); and the elastic member (43) presses inwards on the wire (1), such that the wire (1) is positioned. During adjustment of the wire (1), a front end of the cord tightener (4) is pressed to force the cord tightener (4) to overcome an elastic resistance of the spring (3) and to draw backwards; the inner slope of the adjustment and positioning through hole (51) releases pressure on the protrusion (44) of the elastic member; and the elastic member (43) expands outwards to release a hold on the wire (1). The wire (1) is firmly connected to and positioned on a lamp body, and the position of the wire (1) can be easily adjusted, thereby preventing the wire (1) from bending and drooping.

Description

Lamp wire adjustment positioning structure

Technical field

The invention relates to the field of lamps and lanterns, in particular to a lamp wire adjustment and positioning structure applied in the field of lamp lighting.

Background technique

During the installation of the luminaire, the wires need to be connected to the body of the luminaire. As shown in FIG. 1, it is a structural diagram of a lamp wire installation in the prior art, which includes a lamp body 101 and an electric wire 102. Electrical components (not shown) are installed in the lamp body 101. The lamp body 101 is provided with a wire hole. After the electric wire 102 passes through the electric wire hole of the lamp body, it is connected with the electrical components inside the lamp body 101. This kind of lamp wire installation structure has the following defects: the wire is only connected to the electrical component through the wire hole of the lamp body, and the wire is not fixed to the lamp body. After the lamp wire is installed, the wire is easily pulled out of the lamp body. Not only will it cause the wires to bend and sag, which will affect the appearance, but it will also lead to unstable connection and positioning of the wires, and the position of the wires cannot be adjusted.

technical problem

The technical problem to be solved by the present invention is to provide a lamp wire adjustment and positioning structure with stable connection and positioning of the electric wire and the lamp body of the lamp, which can conveniently adjust the position of the electric wire and avoid bending and sagging of the electric wire.

Technical solutions

The present invention is achieved by the following technical solutions: a lamp wire adjustment and positioning structure, including an electric wire, a tail cover, a spring, a tight tube, and a fixing base; the fixing base has an adjustment positioning through hole, At the front end, the inner diameter of the adjustment positioning through-hole is gradually reduced from back to front, so that the inner wall of the front end of the adjustment positioning through-hole has an inner slope; the tight-wire barrel has a wire through-hole for passing the electric wire, and The thread-tightening cylinder is inserted into the adjustment and positioning through hole of the fixing seat from the front to the front, and the front end of the thread-tightening barrel extends forward from the fixing seat; the outer wall of the rear end of the thread-tightening barrel has an outer slope, and The outer wall of the rear end matches the inner wall of the front end of the adjusting through-hole; the outer wall of the rear end of the tight bobbin is also provided with two symmetrical elastic pieces, and a convex point is provided on the outside of each elastic piece; The rear end covers the adjustment and positioning through hole of the fixing base, the tail cover covers the rear end of the fixing base, the front end of the spring abuts against the rear end of the tight barrel, and the rear end of the spring abuts On the tail cover, the wires pass through the tail cover from back to front, Spring and tight-cylinder; when positioning the wire, under the elasticity of the spring, the tight-cylinder is forced to extend forward, and the inner inclined surface of the positioning through hole is pressed to the elastic tab of the tight-cylinder, and the elastic sheet is pressed in Electric wire, positioning the wire; when adjusting the wire, press the front end of the tight barrel to force the tight barrel to retract backward against the elastic resistance of the spring, and adjust the inner slope of the positioning through hole to release the pressing of the elastic sheet bump. Spread the elastic sheet outwards to loosen the grip on the wires.

Preferably, the lamp wire adjusting and positioning structure further includes a lamp housing, and a pair of mounting portions are provided on the outer side of the fixing base, and the mounting portions are fixedly installed in the lamp housing by screws.

Preferably, the outer wall of the rear end of the fixing seat is provided with two convex square clips, two ends of the tail cover are respectively bent, and a square clip hole is respectively provided. Within the corresponding square card hole.

Preferably, the thread tight tube is a plastic thread tight tube.

Preferably, the bumps of the elastic sheet are arranged in a triangle.

Beneficial effect

The beneficial effect of the present invention is that the lamp wire adjustment and positioning structure of the present invention includes a wire, a tail cover, a spring, a tight tube, and a fixed seat. When the wire is positioned, the tight tube is forced to extend forward and adjusted under the elastic effect of the spring. The inner inclined surface of the positioning through-hole is pressed to the elastic piece of the tight tube, and the elastic piece presses the wire inward to locate the wire; when adjusting the wire, press the front end of the tight tube to force the tight tube to overcome the elasticity of the spring The resistance is retracted backward, and the inner inclined surface of the positioning through hole is adjusted to release the pressing force on the bump of the elastic piece, and the elastic piece is outwardly extended to release the clamping of the wire. When installing the wire, press and hold the front end of the tight wire barrel, pass the wire from back to front through the tail cover, spring, and tight wire barrel, and release the pressing of the tight wire barrel when it reaches the appropriate position, and then the wire can be positioned. , And can prevent the wires from being pulled out of the lamp body; when adjusting the wires, also press and hold the front end of the tight tube, and plug the wires into the lamp body from front to back or pull a distance from the lamp body to reach When the position is loosened, the wire can be positioned once again, and the positioning of the wires can be realized again. The wires are firmly connected and positioned with the lamp body, and the wires will not bend and sag.

BRIEF DESCRIPTION OF THE DRAWINGS

For ease of explanation, the present invention is described in detail by the following preferred embodiments and the accompanying drawings.

FIG. 1 is a structural diagram of a lamp wire adjustment and positioning structure in the prior art.

FIG. 2 is a perspective view of a connection structure between a lamp wire adjustment positioning structure and a lamp body according to the present invention.

3 is an exploded perspective view of a connection structure of a lamp wire adjustment positioning structure and a lamp body according to the present invention.

FIG. 4 is an exploded structural perspective view of a lamp wire adjustment and positioning structure according to the present invention.

FIG. 5 is a partially enlarged view of part A in FIG. 4.

6 is a cross-sectional structural diagram of a lamp wire adjustment and positioning structure according to the present invention.

FIG. 7 is a perspective structural view of a lamp wire adjustment and positioning structure according to the present invention.

Embodiments of the invention

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings. The drawings show a preferred embodiment of the invention. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough understanding of the present disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

In this embodiment, referring to FIG. 2 to FIG. 7, the lamp electric wire adjustment and positioning structure of the present invention includes an electric wire 1, a tail cover 2, a spring 3, a tight tube 4, and a fixing base 5; within the fixing base 5 The adjustment positioning through-hole 51 is provided. At the front end of the adjustment positioning through-hole 51, the inner diameter of the adjustment positioning through-hole 51 gradually decreases from back to front, so that the inner wall of the front end of the adjustment positioning through-hole 51 has an inner inclined surface; There are electric wire through-holes 41 for passing the electric wires, the tight-wire barrel 4 is inserted into the adjustment positioning through-hole 51 of the fixing base 5 from the rear to the front, and the front end of the tight-wire barrel 4 extends forward Out of the fixing seat 5; the outer wall of the rear end of the thread spool 4 has an outer bevel 42, and the outer wall of the rear end of the thread spool 4 matches the inner wall of the front end of the adjusting and positioning through hole 51; The outer wall is also provided with two symmetrical elastic pieces 43, each of which is provided with a convex point 44 on the outside; the spring 3 is inserted into the adjusting and positioning through hole 51 of the fixing base 5 from the rear to the front, so that The tail cover 2 is covered at the rear end of the fixed seat 5, the front end of the spring 3 is pressed against the rear end of the thread take-up barrel 4, and the rear end of the spring 3 is pressed against the tail cover 2. The electric wire 1 passes through the tail cover 2, the spring 3, and the tight wire barrel 4 in order from back to front. When the electric wire 1 is positioned, under the elastic action of the spring 3, the tight wire 4 is forced to extend forward, and the positioning pass is adjusted. The inner inclined surface of the hole 51 is pressed to the elastic sheet bump 44 of the tight tube 4. The elastic sheet 43 presses the electrical wire 1 inward to position the electrical wire 1. When adjusting the electrical wire 1, press the front end of the tight tube 4 to force the tight The bobbin 4 retracts backward against the elastic resistance of the spring 3, adjusts the inner inclined surface of the positioning through-hole 51 to release the pressing of the elastic piece bump 44, and the elastic piece 43 expands outward to loosen the clamping of the electric wire 1. The forward and backward directions in the figure are shown with reference to the directional arrows in FIG. 4.

In one embodiment, the lamp wire adjusting and positioning structure further includes a lamp housing 6, and a pair of mounting portions 52 are provided on the outer side of the fixing base 5, and the mounting portions 52 are fixed and installed in the lamp housing 6 by screws. .

In one embodiment, the outer wall of the rear end of the fixing seat 5 is provided with two convex square clips 53, two ends of the tail cover 2 are respectively bent, and a square clip hole 21 is provided, The square card head 53 is latched in the corresponding square card hole 21.

In one embodiment, the tight-fitting barrel 4 is a plastic tight-fitting barrel.

In one embodiment, the bumps 44 of the elastic sheet 43 are arranged in a triangular shape.

The positioning method of the lamp wire adjustment positioning structure is: first, the fixing seat 5 is installed in the lamp body of the lamp by screws; then, one end of the wire 1 is connected to the electrical components inside the lamp body; The front end of the wire barrel 4 passes the electric wire 1 through the tail cover 2, the spring 3, and the tight wire barrel 4 from the back to the front. When the proper position is reached, the pressing of the tight wire barrel 4 is released to realize the positioning of the electric wire 1. Prevent wires from being pulled out of the lamp body.

The adjustment method of the lamp wire adjustment positioning structure is: first, press and hold the front end of the tight tube; then, plug the wire into the lamp body from front to back or pull a distance from the lamp body of the smoking article; then, wait for the wire to reach the appropriate When the position is released, the pressing of the tight wire barrel can realize the positioning and adjustment of the electric wire. The electric wire is firmly connected and positioned with the lamp body, and the electric wire will not bend and sag.

The lamp wire adjustment and positioning structure of the present invention includes a wire, a tail cover, a spring, a tight-cylinder and a fixing base. When the electric wire is positioned, under the elastic action of the spring, the tight-cylinder is forced to extend forward, and the inner inclined surface pressure of the positioning through hole is adjusted To the bump of the elastic piece of the tight tube, the elastic piece presses the wire inward to position the wire; when adjusting the wire, press the front end of the tight tube to force the tight tube to retract backward against the elastic resistance of the spring and adjust The inner inclined surface of the positioning through-hole releases the pressing of the bumps of the elastic sheet, and the elastic sheet expands outward to release the clamping of the wire. When installing the wire, press and hold the front end of the tight wire barrel, pass the wire from back to front through the tail cover, spring, and tight wire barrel, and release the pressing of the tight wire barrel when it reaches the appropriate position, and then the wire can be positioned. , And can prevent the wires from being pulled out of the lamp body; when adjusting the wires, also press and hold the front end of the tight tube, and plug the wires into the lamp body from front to back or pull a distance from the lamp body to reach When the position is loosened, the wire can be positioned once again, and the positioning of the wires can be realized again. The wires are firmly connected and positioned with the lamp body, and the wires will not bend and sag.

The above-mentioned embodiment is only an example of the present invention, and is not intended to limit the scope of implementation and rights of the present invention. Anything that is the same or equivalent to the principle and basic structure described in the claims of the present invention is within the protection scope of the present invention.

Industrial applicability

The invention relates to a lamp wire adjustment and positioning structure, which includes a wire, a tail cover, a spring, a tight tube and a fixed seat. When the electric wire is positioned, under the action of the elasticity of the spring, the tight tube is forced to extend forward and the positioning through hole is adjusted. The inner inclined surface is pressed to the bump of the elastic piece of the tight tube, and the elastic piece presses the wire inward to locate the wire; when adjusting the wire, press the front end of the tight tube to force the tight tube to overcome the elastic resistance of the spring backward Retract, adjust the inner slope of the positioning through-hole to release the pressure on the elastic sheet bumps, and the elastic sheet expands outward to loosen the clamping of the wire. When installing the wire, press and hold the front end of the tight wire barrel, pass the wire from back to front through the tail cover, spring, and tight wire barrel, and release the pressing of the tight wire barrel when it reaches the appropriate position, and then the wire can be positioned. , And can prevent the wires from being pulled out of the lamp body; when adjusting the wires, also press and hold the front end of the tight tube, and plug the wires into the lamp body from front to back or pull a distance from the lamp body to reach When the position is loosened, the wire can be positioned once again, and the positioning of the wires can be realized again. The wires are firmly connected and positioned with the lamp body. Therefore, it has industrial applicability.

Claims

The lamp electric wire adjusting and positioning structure is characterized in that it includes electric wires, a tail cover, a spring, a tight tube and a fixing base; the fixing base has an adjustment positioning through hole, and the front end of the adjustment through hole adjusts the positioning through hole. The inner diameter gradually decreases from back to front, so that the inner wall of the front end of the adjustment positioning through-hole has an inner slope; the tight-wire barrel has a wire through-hole for passing the electric wire, and the tight-wire barrel is from back to front It is placed in the adjustment and positioning through hole of the fixing base, and the front end of the tight thread barrel extends forward from the fixing base; the outer wall of the rear end of the tight thread barrel has an outer inclined surface, and the outer wall of the rear end of the tight thread barrel communicates with the adjustment positioning. The inner wall of the front end of the hole matches; the outer wall of the rear end of the tight tube is also provided with two symmetrical elastic pieces, each of which is provided with a convex point on the outside; the spring enters the fixing seat from the rear to the front. In the adjusting and positioning through hole, the tail cover is covered at the rear end of the fixed seat, the front end of the spring is pressed against the rear end of the tight bobbin, and the rear end of the spring is pressed against the tail cover. The wires pass through the tail cover, the spring, and the tight wire barrel from back to front; At the time, under the elastic action of the spring, the tight wire barrel is forced to extend forward, and the inner inclined surface of the positioning through hole is pressed to the elastic piece bump of the tight wire barrel. The elastic piece presses the wire inward to locate the wire; When pressing the front end of the tight bobbin, the tight bobbin is forced to retract backward against the elastic resistance of the spring, and the inner inclined surface of the positioning through hole is released to press the bump of the elastic sheet, and the elastic sheet is outwardly opened to release the wire. Holding.
The adjustment and positioning structure for a lamp wire according to claim 1, further comprising a lamp housing, a pair of mounting portions are provided on the outer side of the fixing base, and the mounting portions are fixed and installed in the lamp housing by screws.
The adjusting and positioning structure for a lamp wire according to claim 1, wherein two outer convex square clips are provided on the outer wall of the rear end of the fixing seat, and two ends of the tail cover are respectively bent and provided respectively. There is a square card hole, and the square card head is clamped in the corresponding square card hole.
The adjustment and positioning structure for a lamp wire according to claim 1, characterized in that the tight-fitting barrel is a plastic tight-fitting barrel.
The adjustment and positioning structure for a lamp wire according to claim 4, wherein the bumps of the elastic sheet are arranged in a triangle.