CN220672915U

CN220672915U - Wire harness connecting device

Info

Publication number: CN220672915U
Application number: CN202322256194.9U
Authority: CN
Inventors: 赵世新; 潘勇
Original assignee: Shangrao Dalin New Material Co ltd
Current assignee: Shangrao Dalin New Material Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-26
Anticipated expiration: 2033-08-22

Abstract

The utility model provides a wire harness connecting device, which comprises a terminal, a sheath and an FFC wire harness, wherein the terminal comprises a strip-shaped body, and a male end splicing structure, a terminal stopping structure, an FFC conducting structure and an FFC stopping structure are arranged from the head end to the tail end of the strip-shaped body; a plurality of inserting channels are arranged in the sheath, the inserting channels are provided with clamping structures, and the terminals are inserted into the inserting channels, so that the terminal retaining structures are elastically clamped and fixed with the clamping structures; the FFC wire harness is provided with a positioning hole, and the terminal is inserted into the FFC wire harness from the tail end, so that the FFC retaining structure penetrates into the positioning hole to form hooking fixation. Through the elastic clamping structure of upwarping, the terminal and the sheath form one-way grafting matched retaining positioning, and the assembling firmness of the terminal and the sheath is improved. The terminal and the wire harness form elastic clamping plug-in connection and match, so that the stability of connection of the terminal and the wire harness is ensured. Through the hook body and the hole body hook cooperation, realize the joint after the pencil cartridge fixed, promote the joint strength of terminal and pencil.

Description

Wire harness connecting device

Technical Field

The utility model belongs to the technical field of electrical connection, and relates to a wire harness plugging and fixing device, in particular to a wire harness connecting device.

Background

The terminal connector is a connecting device in industry, and is mainly used for connecting electronic products, and data and current can be transmitted in the two electronic products through wires. The conventional terminal connector is very simple in construction, but as electronic products become more and more precise, requirements for quality and effect of the terminal connector are also increasing.

For example, chinese patent literature discloses a connector, a wire harness, and a vehicle [ chinese patent No.: 202021164354.7 the utility model provides a connector, a wire harness and a vehicle, and relates to the technical field of electric connection. The connector includes: the plug comprises a plug and a socket, wherein the first end of the plug is spliced with the first end of the socket; the plug comprises a plug shell and a plurality of female terminals, the plug shell is provided with a plurality of plug holes, the female terminals are respectively arranged in the plug holes, the conductive wires extend into the plug holes and are inserted into the female terminals to be connected with the female terminals, and an elastically deformed sealing ring is arranged between the plug holes and the conductive wires; the socket comprises a socket shell and a plurality of male terminals, wherein the first end of the socket shell is a groove for accommodating the first end of the plug, the male terminals and the socket shell are integrally formed, an elastic sealing gasket is arranged at the bottom of the groove, the elastic sealing gasket is provided with a plurality of through holes, and the male terminals respectively penetrate through the through holes. The connector effectively avoids dust and moisture from entering, solves the insulation problem caused by the sealing problem, and improves the use safety.

According to the technical scheme, only the elastic clamping structure of the terminal for the butt joint is disclosed, but the wire harness is fixed only through elastic clamping, the problem that the fixing strength is poor still exists, the wire harness can be easily separated from the connector under the action of external force, so that accidents occur, and therefore, the prior art still needs to be further improved.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and provides a wire harness connecting device which improves the connection firmness of the three parts by additionally arranging a retaining structure between a sheath and a terminal and a retaining structure between the terminal and a wire harness.

The aim of the utility model can be achieved by the following technical scheme: the wire harness connecting device comprises a terminal, a sheath and an FFC wire harness, wherein the terminal comprises a strip-shaped body, and a male end splicing structure, a terminal stopping structure, an FFC conducting structure and an FFC stopping structure are arranged from the head end to the tail end of the strip-shaped body; a plurality of inserting channels are arranged in the sheath, the inserting channels are provided with clamping structures, and the terminals are inserted into the inserting channels, so that the terminal retaining structures are elastically clamped and fixed with the clamping structures; and a positioning hole is formed in the FFC wire harness, and the FFC wire harness is inserted into the terminal from the tail end, so that the FFC retaining structure penetrates into the positioning hole to form hooking fixation.

In the wire harness connecting device, the male end plug-in structure comprises plug-in pieces vertically and fixedly connected to two sides of the head end of the strip-shaped body, a plug-in groove is formed between the two plug-in pieces, the width of the plug-in groove is gradually reduced inwards from the head end, and the plug-in groove is communicated with one port of the plug-in channel.

In the wire harness connecting device, the plug-in piece comprises a vertical plane piece and an inner convex arc piece which are integrally connected, wherein the two vertical plane pieces are arranged at the head end to form a wide notch, the two sections of the inner convex arc pieces are oppositely and convexly arranged to form a narrow notch, the vertical plane pieces are connected with the inner convex arc pieces in a transitional manner through inner inclined pieces, and the two sections of the tail ends of the inner convex arc pieces form an outer expansion opening.

In the wire harness connecting device, the bottom side of the vertical plane piece is integrally connected with the side edge of the head end of the strip-shaped body through the arc chamfer, and the inner convex arc piece and the strip-shaped body are arranged in a suspending mode.

In the above wire harness connecting device, the terminal retaining structure comprises a retaining clip member in the shape of a strip, and the retaining clip member is integrally and fixedly connected to the side edge of the strip body through at least one side piece.

In the wire harness connecting device, the retaining clip comprises a top plane sheet and an upper fin which are integrally connected, the side edge of the top plane sheet is integrally fixedly connected with the side sheet, the upper fin and the strip-shaped body are suspended, the top plane sheet and the upper fin are in transitional connection through an upper inclined sheet, and the tail end of the upper fin is a clamping limiting end; the clamping structure is a clamping groove which is concave on the top wall of the plugging channel, and the clamping limiting end is embedded into the clamping groove to be elastically abutted and positioned.

In the above wire harness connection device, the FFC conducting structure includes a conducting clip in a strip shape, and the conducting clip is integrally and fixedly connected to a side edge of the strip body through at least one supporting piece.

In the wire harness connecting device, the conducting clamping piece comprises an upper plane piece and a lower convex arc piece which are integrally connected, the side edge of the upper plane piece is integrally fixedly connected with the supporting piece, the lower convex arc piece is arranged in a suspending mode between the strip-shaped body, the upper plane piece is connected with the lower convex arc piece in a transitional mode through the lower inclined piece, and the convex arc bottom surface of the lower convex arc piece is an upper clamping surface.

In the wire harness connecting device, the strip-shaped body is provided with the clamping table in an upward protruding mode, the clamping table and the lower protruding arc piece are oppositely arranged, a clamping gap is formed between the clamping table and the lower protruding arc piece, the top surface of the clamping table is a lower clamping surface, the FFC wire harness extends into the clamping gap from one end, and the upper clamping surface and the lower clamping surface are elastically clamped and fixed.

In the above wire harness connecting device, the FFC retaining structure comprises at least one inverted L-shaped hook, the bottom end of the vertical rod of the L-shaped hook is integrally and fixedly connected with the tail end edge of the strip-shaped body, the cross rod of the L-shaped hook is horizontally arranged towards the head end of the strip-shaped body, and the positioning hole of the FFC wire harness is sleeved on the periphery of the vertical rod and forms a limiting clamping connection with the cross rod.

Compared with the prior art, the wire harness connecting device has the following beneficial effects:

1. through the elastic clamping structure of upwarping, the terminal and the sheath form one-way grafting matched retaining location to promote the equipment fastness of terminal and sheath, be convenient for quick connect simultaneously, improve assembly efficiency.

2. Through the elasticity pressure structure of decline, make terminal and pencil form the grafting cooperation of elasticity centre gripping, ensure the stability that terminal and pencil are connected, avoid causing surface damage to the pencil simultaneously.

3. Through the hook body and the hole body hook cooperation, realize that the joint after the pencil cartridge is fixed, effectively promote the joint strength of terminal and pencil, avoid the occurence of failure that the pencil breaks away from the terminal.

Drawings

Fig. 1 is an overall exterior perspective view of the present harness connection device.

Fig. 2 is a sectional view of the wire harness connecting apparatus.

Fig. 3 is an assembly view of a terminal and a wire harness in the present wire harness connecting apparatus.

Fig. 4 is a perspective view of a terminal in the present wire harness connecting apparatus.

Fig. 5 is a front view of a terminal in the present harness connecting apparatus.

Fig. 6 is a plan view of a terminal in the present harness connecting apparatus.

In the figure, 1, a sheath; 2. a terminal; 2a, a strip-shaped body; 2a1, a clamping table; 2b, inserting pieces; 2b1, vertical planar sheets; 2b2, inner convex arc piece; 2c, a backstop clamping piece; 2c1, a top planar sheet; 2c2, upturned tabs; 2d, side panels; 2e, conducting the clamping piece; 2e1, upper side planar sheet; 2e2, lower convex arc piece; 2f, supporting sheets; 2g, L-shaped hooks; 3. FFC wire harness.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 3, the wire harness connecting device comprises a terminal 2, a sheath 1 and an FFC wire harness 3, wherein the terminal 2 comprises a strip-shaped body 2a, and the strip-shaped body 2a is provided with a male end plug-in structure, a terminal 2 retaining structure, an FFC conducting structure and an FFC retaining structure from the head end to the tail end; a plurality of inserting channels are arranged in the sheath 1, the inserting channels are provided with clamping structures, and the terminals 2 are inserted into the inserting channels, so that the retaining structures of the terminals 2 are elastically clamped and fixed with the clamping structures; the FFC wire harness 3 is provided with a positioning hole, and the terminal 2 is inserted into the FFC wire harness 3 from the tail end, so that the FFC retaining structure penetrates into the positioning hole to form hooking fixation.

As shown in fig. 4 to 6, the male end plugging structure comprises plugging pieces 2b vertically and fixedly connected to two sides of the head end of the strip-shaped body 2a, a plugging groove is formed between the two plugging pieces 2b, the width of the plugging groove is gradually reduced from the head end to the inside, and the plugging groove is communicated with one port of the plugging channel.

As shown in fig. 2 to 6, the plugging piece 2b includes a vertical planar piece 2b1 and an inner convex arc piece 2b2 which are integrally connected, the two vertical planar pieces 2b1 are arranged at the head end to form a wide notch, the two sections of inner convex arc pieces 2b2 are oppositely arranged convexly to form a narrow notch, the vertical planar piece 2b1 is connected with the inner convex arc pieces 2b2 through an inner inclined piece in a transitional manner, and the tail ends of the two sections of inner convex arc pieces 2b2 form an outer expansion opening. The inner inclined piece between the inner convex arc piece 2b2 and the vertical plane piece 2b1 has elasticity, and can generate elastic deformation. The male end is inserted from one port of the inserting channel, and simultaneously gradually enters into the narrow slot from the wide slot, and finally the male end is elastically clamped and fixed by the two inner convex arc pieces 2b 2.

The bottom side of the vertical plane piece 2b1 is integrally connected with the side edge of the head end of the strip-shaped body 2a through an arc chamfer, and the inner convex arc piece 2b2 and the strip-shaped body 2a are arranged in a suspending manner. The vertical plane piece 2b1 is fixedly connected with the strip-shaped body 2a, and the suspended inner convex arc piece 2b2 can realize elastic deformation so as to adjust the width of the clamping opening and provide good elastic clamping effect.

The retaining structure of the terminal 2 comprises a retaining clip 2c in the shape of a strip, and the retaining clip 2c is integrally and fixedly connected with the side edge of the strip-shaped body 2a through at least one side piece 2 d. The retaining clip 2c comprises a top side plane sheet 2c1 and an upturned sheet 2c2 which are integrally connected, a side sheet 2d is integrally fixedly connected with the side edge of the top side plane sheet 2c1, the upturned sheet 2c2 and the strip-shaped body 2a are arranged in a suspending manner, the top side plane sheet 2c1 and the upturned sheet 2c2 are in transitional connection through an upturned sheet, and the tail end of the upturned sheet 2c2 is a clamping limiting end; the clamping structure is a concave clamping groove on the top wall of the plugging channel, and the clamping limiting end is embedded into the clamping groove to be elastically abutted and positioned. The upper inclined sheet has elasticity, and the upper inclined sheet provides an upward and downward elastic movement amount of the upper inclined sheet 2c2, so that when the terminal 2 is inserted into the inserting channel of the sheath 1, the clamping limiting end of the upper inclined sheet 2c2 abuts against the groove wall of the clamping groove to complete fixed assembly.

The FFC conducting structure comprises a strip-shaped conducting clamping piece 2e, and the conducting clamping piece 2e is integrally fixedly connected with the side edge of the strip-shaped body 2a through at least one supporting piece 2 f. The conducting clip piece 2e comprises an upper side plane piece 2e1 and a lower protruding arc piece 2e2 which are integrally connected, a supporting piece 2f is integrally fixedly connected with the side edge of the upper side plane piece 2e1, the lower protruding arc piece 2e2 and the strip-shaped body 2a are arranged in a suspending mode, the upper side plane piece 2e1 and the lower protruding arc piece 2e2 are connected in a transitional mode through a lower inclined piece, and the protruding arc bottom surface of the lower protruding arc piece 2e2 is an upper clamping surface. The lower inclined plate has elasticity, and the lower inclined plate provides an upward and downward elastic movement amount of the lower convex arc plate 2e2, so that after the FFC wire harness 3 is inserted into the terminal 2, the upper clamping surface of the lower convex arc plate 2e2 presses the top surface of the FFC wire harness 3.

The strip-shaped body 2a is provided with a clamping table 2a1 in a protruding mode upwards, the clamping table 2a1 and the lower protruding arc piece are oppositely arranged, a clamping gap is formed between the clamping table 2a1 and the lower protruding arc piece, the top surface of the clamping table 2a1 is a lower clamping surface, the FFC wire harness 3 extends into the clamping gap from one end, and the FFC wire harness is elastically clamped and fixed by the upper clamping surface and the lower clamping surface. The gap between the clamping gaps is shortened by the clamping table 2a1, so that the clamping tightness of the FFC wire harness 3 is improved.

The FFC retaining structure comprises at least one inverted L-shaped hook 2g, the bottom end of a vertical rod of the L-shaped hook 2g is integrally and fixedly connected with the tail end edge of the strip-shaped body 2a, a cross rod of the L-shaped hook 2g is horizontally arranged towards the head end of the strip-shaped body 2a, and a positioning hole of the FFC wire harness 3 is sleeved on the periphery of the vertical rod and forms a limiting clamping connection with the cross rod. Two positioning holes are formed in one FFC wire harness 3 side by side, the positioning holes are strip-shaped holes, two L-shaped hooks 2g are arranged on one terminal 2 side by side, one FFC wire harness 3 is inserted into one terminal 2, and meanwhile the positioning holes are sleeved on the L-shaped hooks 2g in a one-to-one correspondence mode to form hooking fixation.

The assembly mode of the wire harness connecting device is as follows:

1. the terminals 2 are inserted into the plugging channels of the sheath 1 in a one-to-one orientation mode, the clamping limiting ends of the upward tilted fins 2c2 of the terminals 2 are abutted against the groove walls of the clamping grooves of the sheath 1 to complete fixed assembly, the plugging grooves of the terminals 2 are communicated with one port of the plugging channel, and the FFC retaining structure of the terminals 2 is located at the other row of ports of the plugging channel.

2. The FFC wire harness 3 is inserted into the other row of ports of the sheath 1, so that the end head of the FFC wire harness 3 gradually stretches into the clamping gap and is elastically clamped by the clamping table 2a1 and the lower convex arc piece 2e2, and meanwhile, the positioning holes on the FFC wire harness 3 are sleeved with the L-shaped hooks 2g to form clamping assembly.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although sheath 1 is used more herein; a terminal 2; a strip-shaped body 2a; a clamping table 2a1; a plug-in piece 2b; a vertical plane piece 2b1; an inner convex arc piece 2b2; a retaining clip 2c; a top planar sheet 2c1; upturned tabs 2c2; a side sheet 2d; conducting clip 2e; an upper side planar sheet 2e1; a lower convex arc piece 2e2; a support sheet 2f; l-shaped hooks 2g; the FFC harness 3 and the like, but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The wire harness connecting device comprises a terminal, a sheath and an FFC wire harness, and is characterized in that the terminal comprises a strip-shaped body, wherein a male end splicing structure, a terminal retaining structure, an FFC conducting structure and an FFC retaining structure are arranged from the head end to the tail end of the strip-shaped body; a plurality of inserting channels are arranged in the sheath, the inserting channels are provided with clamping structures, and the terminals are inserted into the inserting channels, so that the terminal retaining structures are elastically clamped and fixed with the clamping structures; and a positioning hole is formed in the FFC wire harness, and the FFC wire harness is inserted into the terminal from the tail end, so that the FFC retaining structure penetrates into the positioning hole to form hooking fixation.

2. The wire harness connecting device as claimed in claim 1, wherein the male-end insertion structure comprises insertion pieces vertically and fixedly connected to both sides of the head end of the strip-shaped body, an insertion groove is formed between the two insertion pieces, the width of the insertion groove is gradually reduced from the head end inwards, and the insertion groove is communicated with one port of the insertion channel.

3. The wire harness connecting device as claimed in claim 2, wherein the plug-in piece comprises a vertical plane piece and an inner convex arc piece which are integrally connected, the two vertical plane pieces are arranged at the head end to form a wide notch, the two sections of inner convex arc pieces are oppositely arranged to form a narrow notch, the vertical plane piece is connected with the inner convex arc piece through an inner inclined piece in a transitional manner, and the tail ends of the two sections of inner convex arc pieces form an outer expansion opening.

4. The wire harness connecting device as claimed in claim 3, wherein the bottom side of the vertical plane sheet is integrally connected with the front end side of the strip-shaped body through an arc chamfer, and the inner convex arc sheet and the strip-shaped body are arranged in a suspending manner.

5. The wire harness connecting device as claimed in claim 1, wherein the terminal retaining structure comprises a retaining clip in the form of a strip, the retaining clip being integrally secured to a side of the strip body by at least one side piece.

6. The wire harness connecting device according to claim 5, wherein the retaining clip comprises a top planar sheet and an upper fin which are integrally connected, the side edges of the top planar sheet are integrally fixedly connected with the side sheets, the upper fin and the strip-shaped body are suspended, the top planar sheet and the upper fin are in transitional connection through an upper inclined sheet, and the tail end of the upper fin is a clamping limiting end; the clamping structure is a clamping groove which is concave on the top wall of the plugging channel, and the clamping limiting end is embedded into the clamping groove to be elastically abutted and positioned.

7. The wire harness connecting apparatus as claimed in claim 1, wherein the FFC conductive structure comprises a conductive clip in the form of a strip, the conductive clip being integrally secured to a side of the strip body by at least one support sheet.

8. The wire harness connecting device as claimed in claim 7, wherein the conducting clip comprises an upper planar sheet and a lower convex arc sheet which are integrally connected, the side edge of the upper planar sheet is integrally fixedly connected with the supporting sheet, the lower convex arc sheet and the strip-shaped body are suspended, the upper planar sheet and the lower convex arc sheet are transitionally connected through a lower inclined sheet, and the convex arc bottom surface of the lower convex arc sheet is an upper clamping surface.

9. The wire harness connecting device as claimed in claim 8, wherein the strip-shaped body is provided with a clamping table protruding upwards, the clamping table is arranged opposite to the lower protruding arc piece, a clamping gap is formed between the clamping table and the lower protruding arc piece, the top surface of the clamping table is a lower clamping surface, and the FFC wire harness extends into the clamping gap from one end and is clamped and fixed by the upper clamping surface and the lower clamping surface.

10. The wire harness connecting device as claimed in claim 1, wherein the FFC retaining structure comprises at least one inverted L-shaped hook, wherein a bottom end of a vertical rod of the L-shaped hook is integrally and fixedly connected with a terminal edge of the strip-shaped body, a cross rod of the L-shaped hook is horizontally arranged towards a head end of the strip-shaped body, and a positioning hole of the FFC wire harness is sleeved on an outer periphery of the vertical rod and forms a limiting clamping connection with the cross rod.