CN214673360U - Adapter of LED lamp area - Google Patents

Abstract

An adapter in LED lamp area, the adapter includes: a housing and a plurality of terminals (3), the plurality of terminals (3) all being located inside the housing, the housing having two connection boxes (10), the housing comprising: first casing (1) and two second casings (2), two second casings (2) are all fixed at the lower extreme of first casing (1), and first casing (1) includes: the fan-shaped body (1a) and two supporting arms (1b), two supporting arms (1b) are respectively protruded from two sides of the fan-shaped body (1a), the second shell (2) is fixed at the lower side of the supporting arms (1b), the second shell (2) and the supporting arms (1b) jointly form a connecting box (10), and the two second shells (2) are respectively adjacent to two sides of the fan-shaped body (1 a). The shell of the adapter can be formed in a secondary injection molding mode, so that the terminal is prevented from deviating, the electric connection performance of a product is guaranteed, and the yield of the product is improved.

Description

Adapter of LED lamp area

Technical Field

The utility model belongs to the technical field of the LED lamp area and specifically relates to an adapter in LED lamp area is related to.

Background

The LED lamp strip is a decorative article which is formed by assembling LEDs on a strip-shaped flexible circuit board, can be cut and connected in a delayed mode, has good waterproof function, is safe to use, has long service life, and can be widely applied to industries such as furniture, automobiles, advertisements, illumination, ships, bars and the like. When three-dimensional illumination is needed, the LED lamp belts cannot be bent, so that the two LED lamp belts are connected at the corner positions by the aid of the bending adapter.

Chinese utility model patent CN205208478U discloses a five way LED lamp area L type quick connector, including the connector body, the connector body comprises mutually perpendicular's first body and second body, all is equipped with the inserted hole on first body and the second body, this internal circuit board that is equipped with of connector, and the department is equipped with a plurality of female arranging of being connected with the circuit board respectively in the inserted hole of first body and second body, and the connector body is "L" type, and the middle part of connector body is equipped with the fixed orifices that runs through. The L-shaped quick connector solves the installation problem of connection of the five paths of LED lamp belts at DIY quick turning corners in the small-space section bars.

However, the L-type quick connector of the above structure has the following drawbacks:

1. the reject ratio is high. In the manufacturing process of the connector, the row bus is firstly welded on a circuit board, and then the body is integrally formed through PVC encapsulation, however, the row bus may be displaced in the encapsulation process to cause short circuit, once the encapsulation is completed, the body cannot be independently removed for re-welding, only the whole product can be recycled, the reject ratio is too high, and the manufacturing cost is increased.

2. The plugging difficulty is large, and the alignment is not easy. When the connector is installed, the pins of the LED lamp strip are directly inserted into the two ends of the body, in the inserting process, the hands of workers can inevitably block the sight, the pins of the LED lamp strip in multiple paths need to be aligned, and the difficulty is high.

3. The waterproofness is poor. In the use process of the LED strip, sometimes in wet weather or in an environment with high humidity, after water drops are formed on the top of the connector, the water drops easily penetrate into the connector along the end of the connector, so as to cause short circuit.

4. The electrical connection stability is not good. This connector adopts the row of through-type female, though can reduce the required dynamics of plug, but along with the increase of plug number of times, arrange female jack and can grow gradually to the not hard up condition of row's needle appears, influences the stability of electricity connection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is to above-mentioned condition, provides a adapter in LED lamp area for solving above-mentioned problem, the adapter includes: the connector comprises a shell and a plurality of terminals, wherein the terminals are positioned in the shell, the shell is provided with two connecting boxes, and an included angle between the two connecting boxes is larger than 0 degree and smaller than 180 degrees; the housing includes: a first housing and two second housings, both secured to a lower end of the first housing, the first housing comprising: the fan-shaped body comprises a fan-shaped body and two supporting arms, wherein the two supporting arms respectively protrude from two side surfaces of the fan-shaped body, the second shell is fixed on the lower side of each supporting arm, the second shell and the supporting arms jointly form a connecting box, and the two second shells are respectively adjacent to the two side surfaces of the fan-shaped body.

Further, the segments have positioning passages through which the middle portions of the terminals pass.

Further, the included angle of the two connecting boxes is 90 degrees.

Further, the arm has a bent plate and a cover plate, the bent plate is adjacent to the cover plate, and the cover plate is closer to the end of the arm than the bent plate.

Further, the support arm of the first housing further has an upper hook, the upper hook is adjacent to the cover plate, and the upper hook is closer to the end of the support arm than the cover plate, the second housing has a lower hook, and the lower hook is engaged with the upper hook.

Furthermore, the support arm of the first shell is also provided with a pressing strip, and the pressing strip protrudes from the lower surface of the cover plate.

Further, the length of the support arm is larger than that of the second shell.

Further, the upper surface of the first shell is provided with an upper groove; the lower surface of the sector is provided with a lower groove, the lower surface of the second shell is provided with a side groove, and the lower groove is communicated with the side groove.

Further, the terminal includes: the positioning section is located between the two contact sections, an included angle between the two contact sections is larger than 0 degrees and smaller than 180 degrees, the contact sections are provided with a substrate, an elastic sheet and a salient point, the salient point protrudes from the upper surface of the substrate, and the elastic sheet extends to the upper side of the salient point from the substrate.

Further, the angle between the two contact sections is 90 °.

After the technical scheme is adopted, the utility model discloses an effect is:

1. the shell of the adapter can be formed in a secondary injection molding mode, and the electrical performance of the terminal can be detected under the condition that the terminal is preliminarily fixed between two times of injection molding, so that the terminal is prevented from being deviated, the electrical connection performance of a product is guaranteed, and the yield of the product is improved.

2. Because can release sufficient position space after opening the apron, consequently the user can observe the position of terminal in the installation, guarantees the circuit and the terminal contact in LED lamp area before the shell pressfitting, and it is very convenient to install.

3. Because the upper wall sets up from the tip arch, even consequently meet moist weather or be in the space that moisture is more, also can avoid moisture infiltration inside to guarantee the normal use of product, waterproof nature is good.

4. Compare with the structure of traditional formula of cuting straightly, the terminal that has above-mentioned structure can form inseparabler contact with the circuit in LED lamp area, guarantees the stability of electricity connection, avoids not hard up condition to take place.

Drawings

Figure 1 is a schematic view of an adapter according to the present invention;

fig. 2 is a schematic view of a first housing according to the present invention;

fig. 3 is a schematic view of a use state of the adapter according to the present invention;

fig. 4 is a schematic view of an installation state of the adapter according to the present invention;

fig. 5 is a schematic view of a second housing according to the present invention;

fig. 6 is a schematic view of a terminal according to the present invention;

fig. 7 is a partial schematic view of a terminal according to the present invention.

Detailed Description

It is specifically noted that the terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.

The technical solution of the present invention is further described below by way of examples:

an adapter of a LED lamp strip, as shown in FIG. 1, the adapter comprises: a housing and a plurality of terminals 3, the plurality of terminals 3 being located inside the housing, the housing having two connection blocks 10, an angle between the two connection blocks 10 being greater than 0 ° and smaller than 180 °.

In the present invention, the housing includes: a first casing 1 and two second casings 2, both of the second casings 2 being fixed to a lower end of the first casing 1, as shown in fig. 2, the first casing 1 includes: a sector 1a and two arms 1b, the two arms 1b protruding from two sides of the sector 1a, respectively, a second housing 2 being fixed to the lower side of the arms 1b, the second housing 2 forming a connection box 10 together with the arms 1b, and the two second housings 2 abutting two sides of the sector 1a, respectively.

As shown in fig. 3, when the adapter is used, two LED strips can be inserted into the connecting box 10 of the adapter along two different directions respectively, the circuit of the LED strip is electrically connected with the terminal 3, and the lamp wick of the LED strip is located outside the adapter, so that the two LED strips are electrically connected at the corner position.

Wherein, the shell can be formed through the mode of twice moulding plastics, that is to say, can form first casing 1 through the technology of once moulding plastics earlier, and the mould is put into to a plurality of terminals 3 in the in-process of moulding plastics to make terminal 3 fix in first casing 1, detect the electrical property of a plurality of terminals 3 (terminal 3 has tentatively fixed this moment), then carry out the second time and mould plastics and form second casing 2, complete fixed terminal 3, thereby accomplish the manufacturing of adapter.

Therefore, the adapter with the structure has the advantages that the shell of the adapter can be formed in a secondary injection molding mode, the electrical performance of the terminal can be detected under the condition that the terminal is preliminarily fixed between two times of injection molding, the terminal is prevented from being deviated, the electrical connection performance of a product is guaranteed, and the yield of the product is improved.

Specifically, the segment 1a has a positioning passage 11, and the middle portion of the terminal 3 passes through the positioning passage 11. In this embodiment, after the first housing 1 is injection molded, the terminal 3 is fixed by the positioning passage 11.

Specifically, the angle of the two connection boxes 10 is 90 °. The shell is the L type promptly (or first casing 1 is the L type), and above-mentioned adapter is applicable to 90 corner positions, realizes the electric connection in two mutually perpendicular's LED lamp area.

In the present invention, the connection box 10 has the bending plate 12 and the cover plate 13, the bending plate 12 and the cover plate 13 are both located at the upper end of the connection box 10, the bending plate 12 abuts on the cover plate 13, and the cover plate 13 is closer to the end of the connection box 10 than the bending plate 12.

As shown in fig. 4, in the installation process of the LED strip and the adapter, the cover plate 13 may be rotated upwards first, the bending plate 12 is changed from the flat state to the bending state, at this time, the end of the LED strip is inserted into the housing, the circuit of the LED strip is electrically connected with the terminal 3, then the cover plate 13 is rotated downwards, and the bending plate 12 is restored to the flat state.

Therefore, the shell with the structure can release enough position space after the cover plate is opened, so that a user can observe the position of the terminal in the installation process, the circuit of the LED lamp strip is ensured to be in contact with the terminal before the shell is pressed, and the installation is very convenient.

Specifically, as shown in fig. 2 and 5, the connection box 10 further has an upper hook 14 and a lower hook 21, the upper hook 14 is located at the upper end of the connection box 10, the lower hook 21 is located at the lower end of the connection box 10, the upper hook 14 is adjacent to the cover plate 13, and the upper hook 14 is closer to the end of the connection box 10 than the cover plate 13, and the lower hook 21 is engaged with the upper hook 14. The cover plate 13 can be locked by matching the lower hook 21 with the upper hook 14, so that the condition that the cover plate 13 is opened due to non-manual operation is avoided.

Specifically, with continued reference to fig. 2, the junction box 10 further has a bead 15, the bead 15 protruding from the lower surface of the cover plate 13. The batten 15 extends along the width direction W of the connecting box 10, and after the cover plate 13 is closed, the batten 15 is located inside the connecting box 10, so that the terminal 3 and the LED lamp strip can be biased, and the tightness of electric connection between the terminal 3 and a circuit is ensured.

Specifically, with continued reference to fig. 5, the connection box 10 further has a plurality of stoppers 22, the stoppers 22 are located inside the connection box 10, and the plurality of stoppers 22 are arranged in a row.

More specifically, with continued reference to fig. 2 and 5, as a preferred mode, the bending plate 12, the cover plate 13, the upper hook 14 and the bead 15 are disposed on the arm 1b of the first housing 1, and the lower hook 21 and the stopper 22 are disposed on the second housing 2. That is to say: the arm 1b of the first casing 1 has a bent plate 12 and a cover plate 13, the bent plate 12 is adjacent to the cover plate 13, and the cover plate 13 is closer to the end of the arm 1b than the bent plate 12. The arm 1b of the first housing 1 further has an upper hook 14, the upper hook 14 abuts the cover 13, and the upper hook 14 is closer to the end of the arm 1b than the cover 13, and the second housing 2 has a lower hook 21, and the lower hook 21 is engaged with the upper hook 14. The arm 1b of the first housing 1 further has a bead 15, and the bead 15 protrudes from the lower surface of the cover plate 13. The second housing 2 further has a plurality of stoppers 22, the stoppers 22 protruding from the upper surface of the second housing 2, the plurality of stoppers 22 being arranged in a row.

In the present invention, please continue to refer to fig. 1, the length of the upper wall of the connection box 10 is greater than the length of the lower wall. That is, the length of the upper end of the connection box 10 is greater than the length of the lower end thereof in the length direction L, and a portion of the upper end of the connection box 10 protrudes from the end thereof.

In the use process of the adapter, even if the adapter meets humid weather or is in a space with much moisture, water drops are formed on the surface of the adapter shell, and because the length of the upper wall of the connection box 10 is greater than that of the lower wall, the water drops cannot penetrate into the interior of the connection box 10 from the end part thereof.

Therefore, the shell with the structure has the advantages that the upper wall is arranged in a protruding mode from the end portion, so that even if the shell is in wet weather or in a space with much moisture, moisture can be prevented from permeating into the shell, normal use of products is guaranteed, and the waterproof performance is good.

Specifically, with continued reference to fig. 1, 2 and 5, as a preferred mode, the length of the arm 1b (i.e., the upper wall of the junction box 10) is greater than the length of the second housing 2 (i.e., the lower wall of the junction box 10). I.e. the length of the arm 1b is greater than the length of the second housing 2 in the length direction L.

More specifically, with continued reference to fig. 2 and 5, the arm 1b of the first housing 1 has a positioning block 16, the positioning block 16 protrudes downward, the second housing 2 has a positioning hole 23, and the positioning block 16 is inserted into the positioning hole 23. Through setting up locating piece 16 at the lower surface of support arm 1b, can play the positioning action to the mould at second casing 2 in-process of moulding plastics to ensure the accuracy nature that second casing 2 formed the position, guarantee the sealed effect between first casing 1 and the second casing 2, further improve waterproof performance.

More specifically, the positioning block 16 and the positioning hole 23 are plural, and the plural positioning blocks 16 and the plural positioning holes 23 are arranged in a row.

More specifically, with continued reference to fig. 1, the upper surface of the first housing 1 has an upper groove 17. The upper groove 17 is arranged, so that the whole weight of the product can be reduced, a certain amount of moisture can be stored, and excessive moisture is prevented from dripping into the shell.

More specifically, the upper groove 17 extends from the upper surface of the sector 1a to the upper surface of the arm 1 b.

More specifically, with continued reference to fig. 2 and 3, the lower surface of segment 1a has a lower groove 18, the lower surface of the second housing has a side groove 24, and the lower groove 18 communicates with the side groove 24. The provision of the lower groove 18 and the side grooves 24 may further reduce the overall weight of the product.

In the present invention, as shown in fig. 6, the terminal 3 includes: the positioning section 31 is located between the two contact sections 32 (i.e. the positioning section 31 is located in the middle of the terminal 3), the included angle between the two contact sections 32 is greater than 0 ° and less than 180 °, the contact section 32 has a base 321, a spring piece 322 and a protruding point 323, the protruding point 323 protrudes from the upper surface of the base 321, and the spring piece 322 extends from the base 321 to the upper side of the protruding point 323.

In the adapter manufacturing process, after moulding plastics for the first time, terminal 3 location section 31 is fixed in the location passageway 11 of first casing 1, forms preliminary fixed, and after moulding plastics for the second time, base plate 321 is fixed in second casing 2, forms final fixed. The second injection corresponds to forming a side positioning channel (not shown) in the second housing 2, in which the substrate 321 is located.

After the LED lamp strip is inserted into the housing of the adapter, the elastic sheet 322 and the protruding point 323 are electrically connected to the circuits on the upper and lower surfaces of the LED lamp strip, respectively, and the elastic sheet 322 and the protruding point 323 are in interference fit with the circuits.

Therefore, compared with the traditional direct-insert type structure, the terminal with the structure can be in closer contact with the circuit of the LED lamp strip, the stability of electric connection is guaranteed, and the loosening condition is avoided.

Specifically, the angle between the two contact sections 32 is 90 °. I.e. the terminal 3 is for an L-shaped adapter.

Specifically, as shown in fig. 7, the elastic piece 322 has: a vertical plate 3221, a horizontal plate 3222, and a contact plate 3223, the vertical plate 3221 protruding from an upper surface of the base plate 321, the vertical plate 3221 extending in a vertical direction, the horizontal plate 3222 extending in a horizontal direction, the horizontal plate 3222 being located between the vertical plate 3221 and the contact plate 3223. The vertical plate 3221 and the horizontal plate 3222 collectively support the contact plate 3223 and maintain the contact plate 3223 in contact with the wires.

More specifically, the contact plate 3223 is V-shaped. The V-shaped contact plate 3223 has a contact point at a lower end thereof for contacting the wires, and the V-shaped contact plate 3223 has an elastic deformation capability to make the contact with the wires more tight by an elastic force when connected thereto.

More specifically, the bottom of the contact plate 3223 is at a lower height than the top of the bumps 323. After the LED light strip is inserted, the contact plate 3223 and the bump 323 are spread, and at this time, the elastic deformation force of the contact plate 3223 is larger, so that the contact with the circuit is tighter.

More specifically, with continued reference to fig. 6, the bottom of the contact plate 3223 has a through hole 3224, the through hole 3224 being vertically aligned with the bump 323. After the through holes 3224 are formed, on one hand, the tops of the bumps 323 can penetrate through the through holes 3224, and on the other hand, two contact points can be formed when the contact plate 3223 is connected with a line, so that the connection is more stable.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims (10)

1. An adapter in a LED light strip, the adapter comprising: a housing and a plurality of terminals (3), the plurality of terminals (3) being located inside the housing, the housing having two connection blocks (10), the angle between the two connection blocks (10) being greater than 0 ° and less than 180 °; the method is characterized in that: the housing includes: a first casing (1) and two second casings (2), both second casings (2) being fixed at a lower end of the first casing (1), the first casing (1) comprising: the fan-shaped body comprises a fan-shaped body (1a) and two supporting arms (1b), wherein the two supporting arms (1b) respectively protrude from two sides of the fan-shaped body (1a), the second shell (2) is fixed on the lower side of the supporting arms (1b), the second shell (2) and the supporting arms (1b) jointly form a connecting box (10), and the two second shells (2) are respectively adjacent to two sides of the fan-shaped body (1 a).

2. An adapter for a LED strip as claimed in claim 1, wherein: the segment (1a) has a positioning passage (11), and the middle of the terminal (3) passes through the positioning passage (11).

3. An adapter for a LED strip as claimed in claim 1, wherein: the included angle of the two connecting boxes (10) is 90 degrees.

4. An adapter for a LED strip as claimed in claim 1, wherein: the arm (1b) has a bending plate (12) and a cover plate (13), the bending plate (12) is adjacent to the cover plate (13), and the cover plate (13) is closer to the end of the arm (1b) than the bending plate (12).

5. An adapter for a LED strip as claimed in claim 4, wherein: the arm (1b) of the first housing (1) further has an upper hook (14), the upper hook (14) abuts the cover plate (13), and the upper hook (14) is closer to the end of the arm (1b) than the cover plate (13), the second housing (2) has a lower hook (21), and the lower hook (21) is engaged with the upper hook (14).

6. An adapter for a LED strip as claimed in claim 5, wherein: the support arm (1b) of the first shell (1) is also provided with a pressing strip (15), and the pressing strip (15) protrudes from the lower surface of the cover plate (13).

7. An adapter for a LED strip as claimed in claim 1, wherein: the length of the support arm (1b) is greater than that of the second shell (2).

8. An adapter for a LED strip as claimed in claim 7, wherein: the upper surface of the first shell (1) is provided with an upper groove (17); the lower surface of the sector (1a) is provided with a lower groove (18), the lower surface of the second shell is provided with a side groove (24), and the lower groove (18) is communicated with the side groove (24).

9. An adapter for a LED light strip as claimed in claim 3, wherein: the terminal (3) comprises: the positioning section (31) is located between the two contact sections (32), an included angle between the two contact sections (32) is larger than 0 degree and smaller than 180 degrees, the contact section (32) is provided with a substrate (321), an elastic sheet (322) and a salient point (323), the salient point (323) protrudes from the upper surface of the substrate (321), and the elastic sheet (322) extends from the substrate (321) to the upper side of the salient point (323).

10. An adapter for a LED strip as claimed in claim 9, wherein: the angle between the two contact sections (32) is 90 deg.

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