CN215869951U

CN215869951U - Bus bar connector and LED backlight module

Info

Publication number: CN215869951U
Application number: CN202121993414.0U
Authority: CN
Inventors: 洪新江; 张颖
Original assignee: Zhejiang Xinfuer Electronics Co ltd
Current assignee: Zhejiang Xinfuer Electronics Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-18
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a bus bar connector and an LED backlight module, wherein the bus bar connector comprises a base, an upper cover and a conductive terminal; the base is connected with the rear end of the upper cover through a movable connecting structure, and the base is connected with the front end of the upper cover through a buckling structure; the movable connecting structure comprises a connecting shaft and a connecting groove; the buckling structure comprises a buckling block and a buckling groove, the upper cover rotates to be matched with the base and then pushes the upper cover to move upwards in the front-rear direction to enable the buckling block to be buckled with the buckling groove in an inserting mode, stopping limiting is carried out through the limiting structure, and the upper cover is enabled to be locked and connected with the base. The structure of the flat cable connector is optimized and reasonable, the reliability of locking connection between the upper cover and the base is effectively improved, and meanwhile, the stability of electric connection between the flat cable connector and the flat cable is guaranteed.

Description

Bus bar connector and LED backlight module

Technical Field

The utility model relates to a bus connector and an LED backlight module, and belongs to the field of structural design of electric connectors.

Background

Patent document CN210245777U discloses a flexible flat cable connector applied to a backlight panel of a television, which includes a wire end molding, a board end molding and a terminal. When the LED backlight module with the flexible flat cable connector is installed, a plurality of LED lamp strips are fixed on a backlight board at intervals (a board end plastic part is fixed on the LED lamp strips), then the LED lamp strips are connected in series through the flexible flat cable, specifically, a wire end plastic part fixed on the flexible flat cable is connected with a board end plastic part in an embedded mode, and the part, which is in contact with a terminal, on the flexible flat cable is pressed between the wire end plastic part and the board end plastic part. The practical problems existing in the prior art are that the mounting position interval between the adjacent LED light bars and the interval between the end terminal plastic parts on the flexible flat cable are difficult to perfectly match, and the interval between the two end terminal plastic parts on the flexible flat cable is smaller than or larger than the mounting position interval of the adjacent LED light bars, so that the problem that the electrical contact is influenced by the fact that the wire body is excessively pulled or the light source is shielded by the fact that the wire body is loosened and arched when the end terminal plastic parts are embedded with the plate end plastic parts (as shown in fig. 11) occurs, and further the product quality is influenced; in addition, the existing flexible flat cable connector also has the technical problem of poor buckling reliability.

SUMMERY OF THE UTILITY MODEL

Therefore, the first object of the present invention is to provide a wire harness connector with a reasonable structure, so as to ensure the stable and reliable locking connection between the upper cover and the base.

The second object of the present invention is to provide an LED backlight module with a reasonable structure, so as to avoid the problem of shielding the light source due to the cable body being pulled excessively during installation or due to the cable body being loosened and arched.

The utility model aims to provide a configuration optimization reasonable winding displacement connector and LED backlight module to solve the relatively poor problem of the reliability of being connected between upper cover and the base in the existing winding displacement connector, and in the LED backlight module.

The technical scheme for realizing the purpose of the utility model is as follows:

a flat cable connector comprises a base, an upper cover which can be opened and closed and is arranged on the base, and a conductive terminal which is arranged on the base; a wire arranging channel extending along the left-right direction is formed between the upper cover and the base when the upper cover is in a locking state;

the rear end of the upper cover is connected with the rear end of the base through a movable connecting structure, and the front end of the upper cover is connected with the front end of the base through a buckling structure;

the movable connecting structure comprises a connecting shaft arranged on one of the base and the upper cover and a connecting groove arranged on the other connecting shaft and matched and connected with the connecting shaft, the connecting groove is an elongated groove extending in the front-back direction, and the connecting shaft is suitable for moving back and forth and rotating in the connecting groove;

the buckling structure comprises a buckling block arranged on one of the base and the upper cover and a buckling groove arranged on the other of the base and the upper cover, the upper cover rotates to be matched with the base and then pushes the upper cover to move in the front and rear directions to enable the buckling block to be spliced and buckled with the buckling groove, and stopping and limiting are carried out through a limiting structure so that the upper cover is kept locked and connected with the base.

Among the above-mentioned technical scheme, limit structure is including setting up detain in piece and the catching groove joint protruding and set up on another with the protruding complex joint groove of joint, detain the piece with when catching groove grafting lock targets in place, the protruding card of joint is gone into the joint inslot forms the stopping spacing.

In the above technical solution, the limiting structure includes an interference structure disposed in the connecting groove at the middle of the connecting groove in the length direction thereof, and the connecting shaft moves in the connecting groove and interferes when passing through the interference structure.

In the above technical scheme, the interference structure is a protruding portion formed on the inner wall of the connecting groove, and the connecting shaft is extruded and interfered when passing through the protruding portion.

In the above technical scheme, one end of the connecting groove is provided with a notch for the connecting shaft to be installed.

In the technical scheme, the rear end part of the upper cover is provided with an open slot for increasing the elasticity of the rear end.

In the technical scheme, the upper part of the base or/and the lower part of the upper cover is/are provided with positioning columns which protrude inwards the flat cable channel and are used for being matched with the strip-shaped positioning holes on the flat cable.

In the above technical solution, the conductive terminal has two elastic contact arms extending into the flat cable channel to electrically contact the flat cable and a welding pin extending to the outside of the base.

In the technical scheme, the base is provided with a terminal groove for accommodating the conductive terminal, the two sides in the terminal groove are provided with the insertion grooves, and the conductive terminal is correspondingly clamped and mounted in the terminal groove through the insertion pieces on the two sides and the insertion grooves.

In the technical scheme, one of the middle part of the front end of the base and the middle part of the front end of the upper cover is provided with a positioning insertion platform, the other one is provided with a positioning insertion hole, the positioning insertion platform and the insertion direction of the positioning insertion hole are in the front-back direction, and the positioning insertion platform is in insertion fit with the positioning insertion hole when the upper cover is in locking connection with the base.

A LED backlight module comprises a flat cable, lamp strips and a flat cable connector, wherein the lamp strips are arranged side by side at intervals, the flat cable connector is fixed on each lamp strip, the flat cable connects the flat cable connectors on the lamp strips in series, the flat cable connector is the flat cable connector, the flat cable is provided with a power connection section correspondingly penetrating through a flat cable channel on each flat cable connector, the flat cable connector can move in the length direction of the flat cable relative to the corresponding power connection section, and a built-in wire of each power connection section is exposed and is electrically connected with a conductive terminal on the corresponding flat cable connector in a contact manner.

The utility model has the positive effects that: the bus bar connector is optimized and reasonable in structural design, the movable connecting structure, the buckling structure and the limiting structure are reasonably adopted between the base and the upper cover, and the upper cover and the base can be effectively locked and connected, so that the locking and connecting reliability between the upper cover and the base is effectively improved, and meanwhile, the stability of electric connection between the bus bar connector and a bus bar is ensured; in addition, in the LED backlight module, the flat cable connector can move relative to the corresponding power connection section in the length direction of the flat cable, namely, the movable allowance in the left and right directions is reserved when the flat cable is arranged, so that the problem that the flat cable body is excessively pulled to influence the electric connection or the flat cable body is loosened and arched to shield a light source during the installation of the LED backlight module is avoided, and the installation quality and the use effect of the LED backlight module are ensured.

Drawings

FIG. 1 is a block diagram of a flat cable connector according to the present invention in a locked position;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic diagram of the flat cable connector of the present invention with the top cover and base in an engaged (unlocked) position;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a perspective view of the upper cover of the flat cable connector of the present invention in an open position;

FIG. 6 is a perspective view of a base of the present invention;

FIG. 7 is a perspective view of the upper cover of the present invention;

FIG. 8 is a perspective view of the conductive terminal of the present invention;

FIG. 9 is a schematic structural diagram of an LED backlight module according to the present invention;

FIG. 10 is a schematic view of the connection portion of the flat cable and the flat cable connector (the upper cover is in an open state);

fig. 11 is a structural view of a conventional LED backlight module (in which a flat cable is in a relaxed and raised state).

The reference symbols shown in the figures are: 1-a base; 11-terminal slot; 111-a plug groove; 12-a positioning column; 2-covering the upper cover; 3-conductive terminal; 31-a resilient contact arm; 32-a solder foot; 33-a plug-in sheet; 4-a wire arranging channel; 5-a connecting shaft; 51-open slots; 6-connecting groove; 61-a boss; 62-notch; 7-catching grooves; 71-clamping protrusions; 8-buckling blocks; 81-clamping groove; 90-positioning the inserting table; 91-positioning the jack; 01-flat cable; 02-lamp strip; 03-a flat cable connector; 011-power-on section; 012-strip-shaped positioning holes.

Detailed Description

In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the upper, lower, left, right, front, rear, etc., is referred to the relative orientation or relative positional relationship shown in the drawings, only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The following description will be made on the specific structure of the bus connector and the LED backlight module according to the present invention with reference to the drawings of the specification:

example 1

As shown in fig. 1 to 8, the flat cable connector in this embodiment includes a base 1, an upper cover 2 capable of being opened and closed and disposed on the base 1, and conductive terminals 3 disposed on the base 1; a flat cable channel 4 extending along the left-right direction is formed between the upper cover 2 and the base 1 when the upper cover is in a locking state, and the flat cable channel 4 is used for accommodating a flat cable 01; the rear end of the upper cover 2 is connected with the rear end of the base 1 through a movable connecting structure, and the front end of the upper cover 2 is connected with the front end of the base 1 through a buckling structure; the movable connecting structure comprises a connecting shaft 5 arranged on the upper cover 2 and a connecting groove 6 arranged on the base 1, the connecting groove 6 is a long groove extending along the front-back direction, and the connecting shaft 5 is suitable for moving back and forth and rotating in the connecting groove 6; the fastening structure comprises a fastening block 8 arranged on the upper cover 2 and a fastening groove 7 arranged on the base 1, the upper cover 2 rotates to be matched with the base 1 and then pushes the upper cover 2 to move in the front-rear direction to enable the fastening block 8 and the fastening groove 7 to be fastened in an inserting mode, and stopping limiting is carried out through a limiting structure so that the upper cover 2 and the base 1 are kept locked and connected. The structure of the flat cable connector in the embodiment is optimized and reasonable, when in actual use, the base 1 is fixed on the LED lamp strip, so that the conductive terminals 3 are electrically connected with the circuits on the LED lamp strip, the flat cable is placed on the base 1 when the upper cover 2 is in an open state, then the upper cover 2 is rotated around the connecting shaft 5 to enable the upper cover 2 to rotate to be involuted with the base 1, then the upper cover 2 is pushed to move along the front-back direction to enable the buckling block 8 to be in inserting buckling with the buckling groove 7 (the connecting shaft 5 moves in the connecting groove 6 during the moving process of the upper cover 2), the upper cover 2 is further limited through the limiting structure to prevent the buckling block 8 from being separated from the buckling groove 7 due to the movement of the upper cover 2 relative to the base 1, so that the locking state of the inserting buckling of the upper cover 2 and the base 1 is ensured, the reliability of the locking connection of the upper cover 2 and the base 1 is effectively ensured, and the flat cable is also effectively limited in the flat cable channel 4, thereby being effectively electrically connected with the conductive terminals 3 and ensuring the reliability of circuit connection. As a variant with the same effect in this embodiment, in actual operation, the connecting shaft 5 may also be disposed on the base 1, and the connecting groove 6 is disposed on the upper cover 2; the buckling groove 7 can be arranged on the upper cover 2, and the buckling block 8 is arranged on the base 1.

Further, in this embodiment, the limiting structure includes a clamping protrusion 71 disposed on one of the buckle block 8 and the buckle slot 7, and a clamping slot 81 disposed on the other and matched with the clamping protrusion 71, and when the buckle block 8 and the buckle slot 7 are inserted and fastened in place, the clamping protrusion 71 is clamped into the clamping slot 81 to form a stop limit; the protruding 71 of joint and the limit structure in joint groove 81 have rationally been adopted in this embodiment, utilize the protruding 71 of joint and the gomphosis messenger in joint groove 81 detain piece 8 and keep 7 grafting lock states with catching groove, thereby upper cover 2 with it just can make after overcoming the cohesion of the protruding 71 of joint and joint groove 81 of base 1 locking and detain the piece and catch the groove and remove the cooperation side and open upper cover 2 to guarantee the reliability of electricity connection to need great outside thrust.

As an alternative to the above-mentioned limiting structure, or as a further embodiment on the basis of the above-mentioned embodiment, as shown in fig. 6 to 7, the limiting structure includes an interference structure provided in the connecting groove 6 at the middle of the length direction thereof (i.e., the front-rear direction of the base 1), and the connecting shaft 5 moves back and forth in the connecting groove 6 and interferes while passing through the interference structure; interfere the existence of structure and produce the interference influence to the removal of connecting axle 5 in the spread groove to play limiting displacement, the winding displacement connector in this embodiment has two kinds of limit structure of the aforesaid simultaneously, during the use, the upper cover 2 that is in the locking state need receive outside great thrust and make behind the cohesion of overcoming the interference resistance of interference structure to connecting axle 5 and joint arch 71 and joint groove 81 detain piece 8 and catching groove 7 and remove the upset and open upper cover 2 in cooperation rear direction, so limit structure is more reliable effective to the limiting displacement of upper cover.

More specifically, the interference structure in this embodiment is a protruding portion 61 formed on an inner wall of the connecting groove 6, the protruding portion 61 protrudes into the connecting groove 6, and the connecting shaft 5 generates pressing interference when passing through the protruding portion 61; in this embodiment, the protruding portion 61 is provided as the interference structure, and the connection shaft 5 is interfered when moving through the protruding portion 61 in the connection groove 6, and the connection shaft needs a large external force to pass through, so as to ensure the effective limit function of the limit structure.

Still further, in this embodiment, as shown in fig. 6 to 7, one end of the connecting groove 6 is provided with a notch 62 for the connecting shaft 5 to be inserted into the connecting groove 6; the notch 62 is more beneficial to the installation of the connecting shaft 5; the protrusion 61 is disposed adjacent to the notch 62, so that elasticity at the protrusion 61 is increased, so that it is relatively easy to elastically deform the protrusion 61 when the connection shaft 5 passes the protrusion 61.

Referring to the drawings, in the embodiment, the rear end of the upper cover 2 is provided with an opening groove 51 for increasing the elasticity of the rear end, and the opening groove 51 is provided for increasing the elasticity of the rear end of the upper cover 2, so that the convenience of assembling and connecting the connecting shaft 5 and the connecting groove 6 is improved.

In this embodiment, as shown in fig. 5 to 7, the upper portion of the base 1 has a positioning post 12 protruding into the flat cable channel 4 for being matched with a strip-shaped positioning hole 012 on the flat cable 01; during actual use, the flat cable 01 is installed through the matching of the strip-shaped positioning holes 012 (the strip-shaped positioning holes 012 are arranged along the length direction of the flat cable 01) on the flat cable 01 and the positioning columns 12, and a left-right moving allowance is reserved for the flat cable during arrangement, so that the problem that the flat cable body is excessively pulled to influence electric connection or the flat cable body is loosened and arched to shield a light source during the installation of the LED backlight module is avoided. As a modification of the above embodiment, the positioning posts 12 may be disposed at the lower part of the upper cover 2, or the positioning posts 12 may be disposed at both the lower part of the upper cover 2 and the upper part of the base 1.

In this embodiment, as shown in fig. 8, the conductive terminal 3 has two elastic contact arms 31 extending into the flat cable channel 4 to electrically contact the flat cable and a soldering pin 32 extending to the outside of the base 1; in this embodiment, two elastic contact arms 31 are provided to be in elastic contact with the conductive portions on the flat cable to ensure the reliability of electrical connection, and the flat cable connector is fixedly mounted and electrically connected by welding the welding pins 32 with the circuit on the LED light bar during mounting.

As a further improvement, in order to realize quick installation of the conductive terminal 3, in this embodiment, a terminal groove 11 for accommodating the conductive terminal 3 is provided on the base 1, insertion grooves 111 are provided on two sides in the terminal groove 11, and the conductive terminal 3 is correspondingly clamped and installed in the terminal groove 11 through insertion pieces 33 on two sides and the insertion grooves 111; the conductive terminals 3 can be conveniently and quickly installed on the base 1 by using an inserting mode.

In order to strengthen the reliability that upper cover 2 and base 1 are connected at the locking, further improvement has been made in this embodiment, base 1 front end middle part with be equipped with the location on one in the middle part of 2 front ends of upper cover and insert platform 90, be equipped with location jack 91 on another, the location insert platform 90 with the grafting direction of location jack 91 is the fore-and-aft direction, upper cover 2 with when base 1 is in the locking and is connected the location insert platform 90 with location jack 91 grafting cooperation to the reliability that upper cover 2 and base 1 are connected is strengthened.

Example 2

An LED backlight module is shown in fig. 9 and 10, and includes a flat cable 01, light bars 02 and a flat cable connector 03, wherein the light bars 02 are arranged side by side at intervals, a flat cable connector 03 is fixed on each light bar 02, the flat cable 01 connects the flat cable connectors 03 on each light bar 02 in series, the flat cable connector 03 is the flat cable connector described in embodiment 1, the flat cable 01 is provided with an electrical connection section 011 correspondingly penetrating through a flat cable channel on each flat cable connector 03, the flat cable connector 03 can move in the length direction of the flat cable 01 relative to a corresponding electrical connection section 011, and a built-in wire of each electrical connection section 011 is exposed and electrically connected with a conductive terminal 3 on the corresponding flat cable connector 03 in a contacting manner. In the LED backlight module of this embodiment, the flat cable connector 03 can move in the length direction of the flat cable relative to the corresponding power connection section 011, that is, a left-right movement margin is reserved when the flat cable is laid, so that the problem that the flat cable body is excessively pulled to affect the electrical connection or shield the light source due to the loose and arched flat cable body is avoided when the LED backlight module is installed, and the installation quality and the use effect of the LED backlight module are ensured.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. A flat cable connector comprises a base (1), an upper cover (2) which can be opened and closed and is arranged on the base (1), and conductive terminals (3) which are arranged on the base (1); a wire arranging channel (4) extending along the left-right direction is formed between the upper cover (2) and the base (1) when the upper cover is in a locking state;

the rear end of the upper cover (2) is connected with the rear end of the base (1) through a movable connecting structure, and the front end of the upper cover (2) is connected with the front end of the base (1) through a buckling structure;

the movable connecting structure is characterized by comprising a connecting shaft (5) arranged on one of the base (1) and the upper cover (2) and a connecting groove (6) arranged on the other connecting shaft and matched and connected with the connecting shaft (5), wherein the connecting groove (6) is a long groove extending along the front-back direction, and the connecting shaft (5) is suitable for moving back and forth and rotating in the connecting groove (6);

the buckling structure comprises a buckling block (8) arranged on one of the base (1) and the upper cover (2) and a buckling groove (7) arranged on the other of the base and the upper cover, the upper cover (2) rotates to be matched with the base (1) and then pushes the upper cover (2) to move in the front and back directions to enable the buckling block (8) and the buckling groove (7) to be spliced and buckled, and stopping and limiting are carried out through a limiting structure, so that the upper cover (2) is kept locked and connected with the base (1).

2. The flat cable connector according to claim 1, wherein the limiting structure comprises a clamping protrusion (71) arranged on one of the buckle block (8) and the buckle groove (7) and a clamping groove (81) arranged on the other and matched with the clamping protrusion (71), and when the buckle block (8) and the buckle groove (7) are inserted and buckled in place, the clamping protrusion (71) is clamped into the clamping groove (81) to form a stopping limit.

3. A flat cable connector according to claim 1 or 2, wherein the stopper structure comprises an interference structure provided in the connecting groove (6) at a middle portion in a length direction thereof, and the connecting shaft (5) moves in the connecting groove (6) and interferes while passing through the interference structure.

4. A flat cable connector according to claim 3, wherein the interference means is a protrusion (61) formed on an inner wall of the connecting groove (6), and the connecting shaft (5) interferes when passing through the protrusion (61).

5. A flat cable connector according to claim 4, characterized in that the connecting slot (6) is provided at one end with a notch (62) into which the connecting shaft (5) is fitted.

6. A flat cable connector according to claim 1, wherein the rear end portion of the upper cover (2) is provided with a slot (51) for increasing the elasticity of the end.

7. The flat cable connector according to claim 1, wherein the upper portion of the base (1) or/and the lower portion of the upper cover (2) has positioning posts (12) protruding into the flat cable channel (4) for engaging with the strip-shaped positioning holes on the flat cable.

8. The flat cable connector according to claim 1, wherein the conductive terminal (3) has two elastic contact arms (31) extending into the flat cable channel (4) to electrically contact the flat cable and a soldering pin (32) extending to the outside of the base (1).

9. The flat cable connector according to claim 8, wherein the base (1) is provided with a terminal groove (11) for accommodating the conductive terminal (3), the terminal groove (11) is provided with insertion grooves (111) at two inner sides, and the conductive terminal (3) is correspondingly inserted into the terminal groove (11) through the insertion pieces (33) at two sides and the insertion grooves (111).

10. The flat cable connector according to claim 1, wherein one of the middle part of the front end of the base (1) and the middle part of the front end of the upper cover (2) is provided with a positioning plug platform (90), the other one is provided with a positioning jack (91), the plugging direction of the positioning plug platform (90) and the positioning jack (91) is the front-back direction, and the positioning plug platform (90) and the positioning jack (91) are plugged and matched when the upper cover (2) and the base (1) are in locking connection.

11. An LED backlight module comprises a flat cable (01), lamp strips (02) and a flat cable connector (03), wherein the lamp strips (02) are arranged side by side at intervals, a flat cable connector (03) is fixed on each lamp strip (02), the flat cable (01) connects the flat cable connector (03) on each lamp strip (02) in series, the LED backlight module is characterized in that the flat cable connector (03) is the flat cable connector in any one of claims 1 to 10, a power connection section (011) correspondingly penetrating through a flat cable channel on each flat cable connector (03) is arranged on each flat cable connector (01), the flat cable connector (03) can move relative to the corresponding power connection section (011) in the length direction of the flat cable (01), and built-in wires of each power connection section (011) are exposed and are electrically connected with conductive terminals (3) on the corresponding flat cable connector (03) in a contacting manner.