Downlight convenient for fixing power cord

Abstract

The utility model discloses a downlight for conveniently fixing a power line, comprising: a metal shell, the metal shell is provided with a threading hole; an insulating base, comprising an insulating bottom plate and an insulating side wall located on the upper side, the insulating side wall is provided with a notch opened on the upper side, the insulating base is also provided with a wire fixing part, the wire fixing part is provided with a wire fixing groove, and the wire fixing part is provided with a first buckle; a light source board, the light source board is connected with a power line, and the power line is arranged in the wire fixing groove; a wire pressing piece, which is arranged on the upper side of the wire fixing groove, the wire pressing piece is provided with a second buckle, the second buckle is buckled with the first buckle, and the wire pressing piece presses the power line in the wire fixing groove. In the utility model, a notch is provided on the insulating base, the power line can be conveniently put into the wire fixing groove of the insulating base, and then the wire pressing piece and the insulating base are buckled to fix and press the power line, the power line can be fixed and does not need to be installed with screws, making the installation of the power line more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, in particular to a downlight which is convenient for fixing a power line. Background Art

[0002] In order to improve the heat dissipation effect, some downlights use a metal shell. An insulating base is set on the inner side of the metal shell. The light source board is installed on the insulating base. The light source board is connected to a power cord. Openings are opened on the insulating base and the metal shell. The power cord extends to the outside through the openings on the insulating base and the metal shell.

[0003] The power cord needs to be fixed to the insulating base to prevent the connection point with the light source board from being pulled by force. The existing installation method of the power cord and the insulating base is that the power cord passes through the opening on the insulating base, and then the structure of the power cord is pressed by a screw-locking wire plate to fix the power cord. In this installation method, it is inconvenient for the power cord to pass through the opening of the insulating base due to the small opening, and the installation of the screw-locking wire plate is also more troublesome. Utility Model Content

[0004] The main purpose of the utility model is to provide a downlight that is convenient for fixing the power cord, aiming to solve the technical problem in the prior art that the power cord of the downlight passes through the opening of the insulating base and the power cord is tightened by screws and a wire pressing plate, resulting in inconvenient installation.

[0005] To achieve the above purpose, the utility model provides a downlight that is convenient for fixing a power cord, comprising:

[0006] A metal shell, wherein the metal shell is provided with a threading hole;

[0007] An insulating base is fixed to the inner side of the metal shell, the insulating base includes an insulating bottom plate and an insulating side wall located on the upper side, the insulating side wall is provided with a notch opened on the upper side, the notch is directly opposite to the threading hole, the insulating base is also provided with a wire fixing portion, the wire fixing portion is provided with a wire fixing groove opening toward the upper side, the wire fixing groove is directly opposite to the notch, and the wire fixing portion is provided with a first buckle portion;

[0008] A light source board, which is fixed to the upper side of the insulating bottom plate, the light source board is connected with a power line, and the power line is arranged in the line fixing groove;

[0009] A wire pressing piece is arranged on the upper side of the wire fixing groove. The wire pressing piece is provided with a second buckle portion, and the second buckle portion is buckled with the first buckle portion. The wire pressing piece presses the power line into the wire fixing groove.

[0010] The power cord can pass through the notch of the insulating base from the upper side and be placed in the wire fixing groove of the wire fixing part, and then the wire pressing piece and the fixing part are buckled and fixed through the first buckle part and the second buckle part, and the wire pressing piece presses and fixes the power cord in the fixing groove, and then the power cord passes through the wire threading hole of the metal shell. In the utility model, a notch is arranged on the insulating base, and the power cord can be conveniently placed in the wire fixing groove of the insulating base, and then the wire pressing piece and the insulating base are buckled and fixed and the power cord is pressed, so that the power cord can be fixed and does not need to be installed with screws, making the installation of the power cord more convenient.

[0011] Preferably, the bottom of the wire fixing groove is provided with a lower wire fixing tooth, and the lower side of the wire pressing piece is provided with an upper wire fixing tooth, and the lower wire fixing tooth and the upper wire fixing tooth can press the power line. When the wire pressing piece is buckled with the insulating base to fix the power line, the lower wire fixing tooth and the upper wire fixing tooth can be pressed into the power line to bite the power line, thereby improving the fixing effect on the power line.

[0012] Preferably, the wire fixing portion includes a first plate, a second plate, a third plate and a fourth plate which are connected in sequence in a ring shape, the first plate, the second plate, the third plate and the fourth plate are all arranged on the upper side of the insulating bottom plate, the first plate is arranged on the side close to the notch, and the wire fixing groove is arranged on the first plate and the third plate.

[0013] Preferably, at least two groups of lower tooth groups are provided at the bottom of the wire fixing groove, the lower tooth groups include at least one lower wire fixing tooth, and the multiple lower wire fixing teeth in each lower tooth group are arranged at intervals along the radial direction of the power cord, and the multiple lower tooth groups are arranged at intervals along the length direction of the power cord; at least two groups of upper tooth groups are provided on the lower side of the wire pressing piece, the upper tooth group includes at least one upper wire fixing tooth, and the multiple upper wire fixing teeth in each upper tooth group are arranged at intervals along the radial direction of the power cord, and the multiple upper tooth groups are arranged at intervals along the length direction of the power cord.

[0014] The multiple lower wire-fixing teeth in the multiple lower tooth groups and the multiple upper wire-fixing teeth in the multiple upper tooth groups can increase the contact points with the power cord, further improving the fixing effect on the power cord.

[0015] Preferably, a group of the lower teeth groups are provided on the first plate and the third plate, a transverse plate is connected between the first plate and the third plate, and at least one group of the lower teeth groups is provided on the upper side of the transverse plate.

[0016] Preferably, two buckle strips are provided on the lower side of the wire pressing member, a second buckle is provided on the buckle strip, the second buckle portion includes the second buckle, the two buckle strips are respectively provided on the inner sides of the second plate and the fourth plate, the inner sides of the second plate and the fourth plate are both provided with a first buckle, the first buckle portion includes the first buckle, and the second buckle is buckled to the corresponding lower side of the first buckle.

[0017] The second buckles on the two buckle strips are respectively buckled with the first buckles of the second plate and the fourth plate, thereby improving the stability of the fixation of the wire crimping piece and the insulating base; the lower tooth group on the horizontal plate is between the two buckle strips, and the fixation of the power cord and the wire crimping piece does not affect each other, and the structure is more compact.

[0018] Preferably, a third buckle portion is provided on the side of the notch, a fourth buckle portion is provided on the wire pressing member, the fourth buckle portion is provided on a side of the second buckle portion close to the notch, and the fourth buckle portion is buckled with the third buckle portion.

[0019] The wire crimping piece and the insulating base are also fixed with the third buckle and the fourth buckle to improve the strength of the wire crimping piece and the insulating base, and the third buckle and the fourth buckle are closer to the position of the notch, so that the wire crimping piece can fit the insulating base more closely at the position of the notch to prevent the power cord from pushing the wire crimping piece open.

[0020] Preferably, the third buckle portion includes a third buckle, and the fourth buckle portion includes a fourth buckle, and the fourth buckle is buckled to the lower side of the third buckle portion.

[0021] Preferably, a lower sleeve is provided on the insulating base, an upper sleeve is provided on the wire pressing piece, the lower sleeve and the upper sleeve are combined into a spacer sleeve which is sleeved on the outer periphery of the power cord, and the spacer sleeve is inserted into the threading hole.

[0022] The lower half sleeve of the insulating base and the upper half sleeve of the crimping piece are combined into a spacer sleeve and sheath the power line. The spacer sleeve is arranged between the power line and the threading hole, and can improve the insulation between the power line and the metal shell.

[0023] Preferably, an insert plate is provided on the insulating base, the lower end of the insert plate is connected to the insulating bottom plate, the insert plate is arranged in the notch, and the lower half sleeve is arranged on the outer side of the upper side of the insert plate.

[0024] The lower end of the plug board is connected to the insulating base, and the upper side of the plug board can be elastically deformed to a certain extent, so that the lower half and the upper half can match the position of the threading hole, making the installation of the insulating base and the metal shell more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0026] Figure 1 It is a structural schematic diagram of the lower side of the downlight of the utility model;

[0027] Figure 2 This is a schematic diagram of the exploded structure of the downlight of the utility model;

[0028] Figure 3 This is a schematic diagram of the internal structure of the upper side of the downlight of the utility model;

[0029] Figure 4 It is a partial structural diagram of the connection between the insulating base, power line and crimping piece of the utility model;

[0030] Figure 5 It is a partial structural schematic diagram of another angle of connection of the insulating base, power cord and crimping piece of the utility model;

[0031] Figure 6 It is a cross-sectional structural diagram of the connection position of the insulating base, power line and crimping piece of the utility model;

[0032] Figure 7 It is a partial structural schematic diagram of the notch position of the insulating base of the utility model;

[0033] Figure 8 It is a structural schematic diagram of the lower side of the wire pressing member of the utility model.

[0034] In the accompanying drawings: 1-metal shell, 11-wire threading hole, 2-insulating base, 21-insulating bottom plate, 22-insulating side wall, 221-notch, 23-wire fixing part, 231-first plate, 232-second plate, 233-third plate, 234-fourth plate, 235-horizontal plate, 24-wire fixing groove, 25-lower wire fixing tooth, 26-first buckle, 27-third buckle, 28-lower half sleeve, 29-plug board, 3-light source board, 4-power cord, 5-wire pressing piece, 51-upper wire fixing tooth, 52-buckle strip, 521-second buckle, 53-fourth buckle, 54-upper half sleeve, 55-spacer sleeve, 6-light-transmitting plate.

[0035] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0037] It should be noted that if the embodiments of the present invention involve directional indications, such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0038] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of technical personnel in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0039] like Figures 1 to 8 As shown, a downlight for conveniently fixing a power cord comprises a metal shell 1, an insulating base 2, a light source board 3 and a wire pressing piece 5.

[0040] The metal housing 1 is provided with a threading hole 11 through which the power cord 4 can pass.

[0041] The insulating base 2 is fixed to the inner side of the metal shell 1. The insulating base 2 includes an insulating bottom plate 21 and an insulating side wall 22 located on the upper side. The insulating side wall 22 is provided with a notch 221 with an upper side open, and the notch 221 is directly opposite to the threading hole 11. The insulating base 2 is also provided with a wire fixing portion 23. The wire fixing portion 23 is provided with a wire fixing groove 24 with an opening facing the upper side, and the wire fixing groove 24 is directly opposite to the notch 221. The wire fixing portion 23 is provided with a first buckle portion. The insulating base 2 and the metal shell 1 can be connected by a card slot and a card block or fixed with screws.

[0042] The light source board 3 is fixed on the upper side of the insulating bottom plate 21. The light source board 3 is connected with a power line 4, which is arranged in the fixed line groove 24. The light source board 3 is provided with a light source, which can emit light after being powered on. A light-transmitting plate 6 is also provided on the metal shell 1, and the light emitted by the light source is radiated outward through the light-transmitting plate 6.

[0043] The wire pressing member 5 is disposed on the upper side of the wire fixing groove 24 . The wire pressing member 5 is provided with a second buckle portion, which is buckled with the first buckle portion. The wire pressing member 5 presses the power cord 4 into the wire fixing groove 24 .

[0044] The power cord 4 can pass through the notch 221 of the insulating base 2 from the upper side and be placed in the wire fixing groove 24 of the wire fixing part 23, and then be fixed by the wire pressing piece 5 and the fixing part through the first buckle part and the second buckle part, and the wire pressing piece 5 presses and fixes the power cord 4 in the fixing groove, and then the power cord 4 passes through the wire threading hole 11 of the metal shell 1. In the utility model, the notch 221 is arranged on the insulating base 2, and the power cord 4 can be conveniently placed in the wire fixing groove 24 of the insulating base 2, which is different from the prior art in which the power cord 4 needs to be aligned and inserted into the opening, and then the wire pressing piece 5 is buckled and fixed with the insulating base 2 and presses the power cord 4, and the power cord 4 can be fixed without the need to use screws for installation, making the installation of the power cord 4 more convenient.

[0045] In some specific embodiments, referring to Figures 6 to 8 The bottom of the wire fixing groove 24 is provided with a lower wire fixing tooth 25, and the lower side of the wire pressing member 5 is provided with an upper wire fixing tooth 51, and the lower wire fixing tooth 25 and the upper wire fixing tooth 51 can press the power line 4. When the wire pressing member 5 is buckled and fixed to the insulating base 2, the lower wire fixing tooth 25 and the upper wire fixing tooth 51 can be pressed into the power line 4 to bite the power line 4, thereby improving the fixing effect on the power line 4.

[0046] In some specific embodiments, referring to Figure 7 The wire fixing portion 23 includes a first plate 231, a second plate 232, a third plate 233 and a fourth plate 234 which are connected in a ring shape in sequence. The first plate 231, the second plate 232, the third plate 233 and the fourth plate 234 are all arranged on the upper side of the insulating base plate 21, and the first plate 231 is arranged on the side close to the notch 221. The wire fixing groove 24 is arranged on the first plate 231 and the third plate 233. The first plate 231 and the third plate 233 can support the power cord 4.

[0047] Furthermore, at least two groups of lower tooth groups are provided at the bottom of the wire fixing groove 24, and the lower tooth groups include at least one lower wire fixing tooth 25, and the multiple lower wire fixing teeth 25 in each lower tooth group are arranged at intervals along the radial direction of the power cord 4, and the multiple lower tooth groups are arranged at intervals along the length direction of the power cord 4; at least two groups of upper tooth groups are provided on the lower side of the wire pressing piece 5, and the upper tooth group includes at least one upper wire fixing tooth 51, and the multiple upper wire fixing teeth 51 in each upper tooth group are arranged at intervals along the radial direction of the power cord 4, and the multiple upper tooth groups are arranged at intervals along the length direction of the power cord 4.

[0048] The multiple lower wire-fixing teeth 25 in the multiple lower tooth groups and the multiple upper wire-fixing teeth 51 in the multiple upper tooth groups can increase the contact points with the power cord 4, further improving the fixing effect on the power cord 4. Preferably, the number of lower tooth groups is three, each of which includes three lower wire-fixing teeth 25, and the number of upper tooth groups is two, each of which includes three upper wire-fixing teeth 51.

[0049] Furthermore, a group of lower teeth groups are provided on the first plate 231 and the third plate 233, a transverse plate 235 is connected between the first plate 231 and the third plate 233, and at least one group of lower teeth groups is provided on the upper side of the transverse plate 235 to realize the setting of multiple groups of lower teeth groups.

[0050] In some specific embodiments, two buckle strips 52 are provided on the lower side of the wire pressing member 5, a second buckle 521 is provided on the buckle strip 52, the second buckle portion includes the second buckle 521, the two buckle strips 52 are respectively provided on the inner sides of the second plate 232 and the fourth plate 234, the inner sides of the second plate 232 and the fourth plate 234 are both provided with a first buckle 26, the first buckle portion includes the first buckle 26, and the second buckle 521 is buckled to the lower side of the corresponding first buckle 26.

[0051] The second buckles 521 on the two buckle strips 52 are buckled with the first buckles 26 of the second plate 232 and the fourth plate 234, respectively, to improve the stability of the fixing of the wire pressing member 5 and the insulating base 2, so that the connection position of the lower wire fixing teeth 25, the upper wire fixing teeth 51 and the power line 4 is more closely attached; the lower tooth group on the horizontal plate 235 is between the two buckle strips 52, and the fixing of the power line 4 and the wire pressing member 5 do not affect each other, and the structure is more compact. An inclined surface is provided on the upper side of the first buckle 26 and the lower side of the second buckle 521, so that the second buckle 521 is pressed downward to buckle with the first buckle.

[0052] In some specific embodiments, referring to Figure 7 and Figure 8 A third buckle portion is provided on the side of the notch 221, and a fourth buckle portion is provided on the wire pressing member 5. The fourth buckle portion is provided on a side of the second buckle portion close to the notch 221, and the fourth buckle portion is buckled with the third buckle portion.

[0053] The wire crimping piece 5 and the insulating base 2 are also fixed with the third buckle and the fourth buckle to improve the strength of the wire crimping piece 5 and the insulating base 2, and the third buckle and the fourth buckle are closer to the position of the notch 221, so that the wire crimping piece 5 can fit the insulating base 2 more closely at the position of the notch 221 to prevent the power cord 4 from pushing up the wire crimping piece 5.

[0054] Further, the third buckle portion includes a third buckle 27, and the fourth buckle portion includes a fourth buckle 53, which is buckled to the lower side of the third buckle portion. An inclined surface is provided on the upper side of the third buckle 27 and the lower side of the fourth buckle 53 to facilitate the fourth buckle 53 to be pressed downward and buckled to the third buckle portion.

[0055] In some specific embodiments, referring to Figure 1 , Figure 7 and Figure 8 The insulating base 2 is provided with a lower half sleeve 28, the crimping member 5 is provided with an upper half sleeve 54, the lower half sleeve 28 and the upper half sleeve 54 are combined into a spacer sleeve 55 which is sleeved on the outer periphery of the power cord 4, and the spacer sleeve 55 is inserted into the threading hole 11.

[0056] The lower half sleeve 28 of the insulating base 2 and the upper half sleeve 54 of the wire pressing member 5 are combined into a spacer sleeve 55 and sheath the power line 4. The spacer sleeve 55 is arranged between the power line 4 and the wire threading hole 11 to improve the insulation between the power line 4 and the metal housing 1.

[0057] Furthermore, a plug plate 29 is provided on the insulating base 2 , the lower end of the plug plate 29 is connected to the insulating bottom plate 21 , the plug plate 29 is arranged in the notch 221 , and the lower half sleeve 28 is arranged on the outer side of the upper side of the plug plate 29 .

[0058] The lower end of the plug plate 29 is connected to the insulating base 2, and the upper side of the plug plate 29 can be elastically deformed to a certain extent, so that the lower half sleeve 28 and the upper half sleeve 54 can match the position of the threading hole 11, making it easier to install the insulating base 2 and the metal shell 1. The third buckle portion and the fourth buckle portion are closer to the position of the notch 221, so that the lower half sleeve 28 and the upper half sleeve 54 can fit more closely and are easier to insert into the threading hole 11.

[0059] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A downlight that is convenient for fixing the power cord, characterized in that: include: A metal shell (1), wherein the metal shell (1) is provided with a threading hole (11); An insulating base (2) is fixed to the inner side of the metal shell (1), the insulating base (2) comprising an insulating bottom plate (21) and an insulating side wall (22) located on the upper side, the insulating side wall (22) being provided with a notch (221) with an upper side open, the notch (221) being directly opposite to the threading hole (11), the insulating base (2) being further provided with a wire fixing portion (23), the wire fixing portion (23) being provided with a wire fixing groove (24) with an opening facing upward, the wire fixing groove (24) being directly opposite to the notch (221), and the wire fixing portion (23) being provided with a first buckle portion; A light source board (3) fixed to the upper side of the insulating bottom board (21), the light source board (3) being connected to a power line (4), the power line (4) being arranged in the line fixing groove (24); A wire pressing member (5) is arranged on the upper side of the wire fixing groove (24). The wire pressing member (5) is provided with a second buckle portion, and the second buckle portion is buckled with the first buckle portion. The wire pressing member (5) presses the power line (4) into the wire fixing groove (24).

2. The downlight according to claim 1, characterized in that: The bottom of the wire fixing groove (24) is provided with a lower wire fixing tooth (25), and the lower side of the wire pressing member (5) is provided with an upper wire fixing tooth (51), and the lower wire fixing tooth (25) and the upper wire fixing tooth (51) can press the power line (4).

3. The downlight according to claim 2, characterized in that: The wire fixing portion (23) comprises a first plate (231), a second plate (232), a third plate (233) and a fourth plate (234) which are connected in sequence in a ring shape; the first plate (231), the second plate (232), the third plate (233) and the fourth plate (234) are all arranged on the upper side of the insulating bottom plate (21); the first plate (231) is arranged on a side close to the notch (221); and the wire fixing groove (24) is arranged on the first plate (231) and the third plate (233).

4. The downlight according to claim 3, characterized in that: At least two groups of lower tooth groups are provided at the bottom of the wire fixing groove (24), the lower tooth groups include at least one lower wire fixing tooth (25), a plurality of the lower wire fixing teeth (25) in each lower tooth group are arranged at intervals along the radial direction of the power cord (4), and a plurality of the lower tooth groups are arranged at intervals along the length direction of the power cord (4); At least two groups of upper teeth are provided on the lower side of the wire pressing member (5), the upper teeth group comprising at least one upper wire fixing tooth (51), a plurality of the upper wire fixing teeth (51) in each upper teeth group are arranged at intervals along the radial direction of the power cord (4), and a plurality of the upper teeth groups are arranged at intervals along the length direction of the power cord (4).

5. The downlight according to claim 4, characterized in that: A group of the lower tooth groups is provided on each of the first plate (231) and the third plate (233); a transverse plate (235) is connected between the first plate (231) and the third plate (233); and at least one group of the lower tooth groups is provided on the upper side of the transverse plate (235).

6. The downlight according to claim 3, characterized in that: Two buckle strips (52) are provided on the lower side of the wire pressing member (5), and a second buckle (521) is provided on the buckle strip (52), and the second buckle portion includes the second buckle (521). The two buckle strips (52) are respectively provided on the inner sides of the second plate (232) and the fourth plate (234), and the inner sides of the second plate (232) and the fourth plate (234) are both provided with a first buckle (26), and the first buckle portion includes the first buckle (26), and the second buckle (521) is buckled to the lower side of the corresponding first buckle (26).

7. The downlight according to claim 1, characterized in that: A third buckle portion is provided on the side of the notch (221), and a fourth buckle portion is provided on the wire pressing member (5). The fourth buckle portion is provided on a side of the second buckle portion close to the notch (221), and the fourth buckle portion is buckled with the third buckle portion.

8. The downlight according to claim 7, characterized in that: The third buckle portion comprises a third buckle (27), and the fourth buckle portion comprises a fourth buckle (53), wherein the fourth buckle (53) is buckled to the lower side of the third buckle portion.

9. The downlight according to claim 1, characterized in that: The insulating base (2) is provided with a lower half sleeve (28), the wire pressing member (5) is provided with an upper half sleeve (54), the lower half sleeve (28) and the upper half sleeve (54) are combined into a spacer sleeve (55) which is sleeved on the outer periphery of the power line (4), and the spacer sleeve (55) is inserted into the wire threading hole (11).

10. The downlight according to claim 9, characterized in that: The insulating base (2) is provided with an insert plate (29), the lower end of the insert plate (29) is connected to the insulating bottom plate (21), the insert plate (29) is arranged in the notch (221), and the lower half sleeve (28) is arranged on the outer side of the upper side of the insert plate (29).

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