CN212556113U

CN212556113U - Wire harness fixing structure

Info

Publication number: CN212556113U
Application number: CN202020839870.9U
Authority: CN
Inventors: 杨英; 李洪
Original assignee: Chongqing Shuangying Automobile Seating Co ltd
Current assignee: Chongqing Shuangying Automobile Seating Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-02-19
Anticipated expiration: 2030-05-19

Abstract

The utility model relates to a pencil fixed knot constructs, include the pencil, be equipped with rectangle through-hole mounting, joint spare, its characterized in that: the clamping piece comprises an inner card and an outer card; the inner clamp is in an arch bridge shape and is provided with an upper part, a front side part and a rear side part, and the upper part is a wiring harness clamping part provided with a clamping hole; a clamping groove communicated with the clamping hole is formed between the front side part and the rear side part; the front side part deviates leftwards, the lower end part of the left side surface of the front side part is provided with a left step part, and the left step part is tightly pressed on the left edge of the rectangular through hole on the fixing part; the rear side part deviates rightwards, the lower end part of the right side surface of the rear side part is provided with a right step part, and the right step part is tightly pressed on the right edge of the rectangular through hole on the fixing part; the outer clamp is integrally in an inverted U shape, a front clamping portion in clamping fit with the front edge of the rectangular through hole in the fixing piece is arranged at the lower end of the front side of the outer clamp, and a rear clamping portion in clamping fit with the rear edge of the rectangular through hole in the fixing piece is arranged at the lower end of the rear side of the outer clamp. The wiring harness fixing device can firmly fix the wiring harness on the fixing part, is not easy to fall off, and has small required installation space.

Description

Wire harness fixing structure

Technical Field

The utility model relates to an automobile body, concretely relates to pencil fixed knot constructs.

Background

The conventional wire harness fixing structure comprises a wire harness, a fixing piece, a fixing support connected to the fixing piece and a pipe clamp connected with the fixing support, wherein the wire harness is clamped into the pipe clamp so as to fix the wire harness; according to 'a pencil fixed knot constructs for vehicle and vehicle that has it' as CN209683610U discloses, its pencil fixed knot constructs including pencil fixed bolster and pipe clamp, and pencil fixed bolster includes automobile body fixed part, first pencil installation department and second pencil installation department, and the automobile body fixed part is suitable for and fixes with the automobile body panel beating of vehicle, and first pencil installation department and second pencil installation department are connected with the both ends of automobile body fixed part respectively, and the pipe clamp is suitable for the cover to be established outside the pencil, and the pencil is suitable for to be fixed with first pencil installation department or second pencil installation department through the pipe clamp. It needs great space just can install, and when installation space is less, this structure is not suitable for, and the outward appearance is comparatively loaded down with trivial details after the installation, and is not pleasing to the eye, consequently need improve current pencil fixed knot structure.

Disclosure of Invention

The utility model aims at providing a pencil fixed knot constructs, it can make the pencil firmly fix on the mounting, is difficult for droing, and required installation space is little, does not influence the outward appearance after the installation.

A pencil fixed knot construct, including pencil, mounting, be used for with the joint spare on the mounting is fixed to the pencil joint, its characterized in that: the fixing piece is provided with a rectangular through hole; the clamping piece comprises an inner card and an outer card; the inner clamp is integrally in an arch bridge shape and is provided with an upper part, a front side part and a rear side part, the upper part is a wiring harness clamping part, and clamping holes for containing wiring harnesses are arranged on the wiring harness clamping part along the left-right direction; a clamping groove is formed between the front side part and the rear side part and is communicated with the clamping hole; the front side part and the rear side part are mutually staggered along the left-right direction, the front side part deviates to the left, the lower end part of the left side surface of the front side part is provided with a left step part, and the left step part is tightly pressed on the left edge of the rectangular through hole on the fixing part; the rear side part deviates rightwards, and the lower end part of the right side surface of the rear side part is provided with a right step part which is tightly pressed on the right edge of the rectangular through hole on the fixing part; the outer card is whole to be the shape of falling U, and its front side lower tip is equipped with preceding joint portion, rear side lower tip is equipped with back joint portion, preceding joint portion cooperates with the front edge joint of rectangle through-hole on the mounting, back joint portion cooperates with the back edge joint of rectangle through-hole on the mounting.

Further, the inner card is positioned on the inner side of the outer card, and the maximum distance from the front side surface of the front side part of the inner card to the rear side surface of the rear side part of the inner card is greater than the maximum distance from the inverted U-shaped opening of the outer card.

Further, the front clamping portion is of a U-shaped structure with a forward opening, and the rear clamping portion is of a U-shaped structure with a backward opening.

The utility model discloses profitable technological effect:

because the pencil passes through the fixed combined action of inside callipers and outside callipers and fixes on the mounting for the pencil is fixed firm, is difficult for droing, and required installation space is little, does not influence the outward appearance after the installation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the inner card;

FIG. 3 is a schematic diagram of the structure of the outer card;

FIG. 4 is a schematic view of the mating structure of the inner card and the wiring harness;

fig. 5 is one of the assembly structure diagrams of the present invention;

fig. 6 is a second schematic view of the assembly structure of the present invention;

fig. 7 is a schematic view of the mating structure of the inner card and the outer card.

In the figure: 1-wire harness, 2-fixing piece and 3-clamping piece;

21-rectangular through holes;

31-inner card, 32-outer card;

311-harness snap-in part, 312-front side part, 313-back side part, 314-snap-in hole, 315-snap-in groove, 316-right step part, 317-left step part;

321-front clamping part and 322-rear clamping part.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 7, a wire harness fixing structure includes a wire harness 1, a fixing member 2, and a clamping member 3 for clamping and fixing the wire harness 1 on the fixing member 2, and is characterized in that: a rectangular through hole 21 is formed in the fixing piece 2; the card member 3 includes an inner card 31 and an outer card 32; the inner clamp 31 is in an arch bridge shape as a whole, and is provided with an upper part, a front side part 312 and a rear side part 313, the upper part is a wiring harness clamping part 311, and a clamping hole 314 for accommodating the wiring harness 1 is arranged on the wiring harness clamping part 311 along the left-right direction; a clamping groove 315 is formed between the front side part 312 and the rear side part 313, and the clamping groove 315 is communicated with the clamping hole 314; the front side part 312 and the rear side part 313 are staggered from each other in the left-right direction, the front side part 312 is offset to the left, the lower end part of the left side surface of the front side part 312 is provided with a left step part 316, and the left step part 316 is tightly pressed on the left edge of the rectangular through hole 21 on the fixing part 2; the rear side part 313 is deviated to the right, and the lower end part of the right side surface of the rear side part 313 is provided with a right step part 317, and the right step part 317 is tightly pressed on the right edge of the rectangular through hole 21 on the fixing part 2; outer card 32 wholly is the shape of falling the U, and its front side tip is equipped with preceding joint portion 321, rear side tip and is equipped with back joint portion 322 down, preceding joint portion 21 is the U-shaped structure that the opening is forward, just preceding joint portion 321 cooperates with the leading edge joint of 2 last rectangle through-holes 21 of mounting, back joint portion 22 is the U-shaped structure that the opening is backward, just the cooperation of the back edge joint of rectangle through-holes 21 on back joint portion 322 and the mounting 2. The wiring harness can be firmly fixed on the fixing piece, the required installation space is small, and the appearance is not influenced after installation.

The inner card 31 is positioned inside the outer card 32, and the maximum distance from the front side surface of the front side part 312 of the inner card 31 to the rear side surface of the rear side part 313 is larger than the maximum distance from the inverted U-shaped opening of the outer card 32. The inner clamp 31 can be ensured to expand the outer clamp 32 in the front-back direction, so that the wiring harness is more firmly fixed.

During installation, the wiring harness 1 is firstly matched with the inner card 31, namely the wiring harness 1 is clamped into the clamping hole 314 of the clamping part 311 of the inner card 31, as shown in fig. 4, the wiring harness 1 can directly pass through the clamping hole 314 or can be clamped into the clamping groove 315; then, applying a relative pressure to the front side 312 and the rear side 313 of the inner card 31 in the left-right direction, so that the inner card 31 is compressed, the width of the inner card 31 in the left-right direction is reduced, and the lower part of the inner card 31 is inserted through the rectangular through hole 21 on the fixing member 2, as shown in fig. 5 (when the inner card 31 is in a normal state, the width of the front side 312 and the rear side 313 in the left-right direction is larger than the width of the rectangular through hole 21 in the left-right direction); then, the front clamping portion 321 of the outer clamp 32 is clamped at the front edge of the rectangular through hole 21 on the fixing member 2, and the rear clamping portion 322 is clamped at the rear edge of the rectangular through hole 21 on the fixing member 2, as shown in fig. 6; finally, the wire harness 1 is lifted upwards, the inner card 31 moves upwards due to the upward pulling force, the compressed inner card 31 expands towards the left and right direction and is compressed towards the front and back direction, and the outer card 32 expands towards the front and back direction; when the inner clip 31 is expanded, the left step 316 of the front portion 312 thereof engages with the left edge of the rectangular through hole 21 of the fixing member 2, and the right step 317 of the rear portion 313 engages with the right edge of the rectangular through hole 21 of the fixing member 2, so that the outer clip 32 is prevented from being contracted in the front-rear direction, thereby firmly fixing the wire harness to the fixing member. The pencil can carry out spacingly in six directions about from top to bottom, left and right sides under the combined action of inside callipers and outside callipers. The installation is convenient and fast, and the wire harness fixing device is suitable for fixing the wire harness on a sheet part, such as an automobile body sheet metal part.

The utility model discloses a pencil fixed knot constructs can resist the destructive power below 300N, need the destructive power more than 300N just can lead to the joint spare to become invalid; and the fixing is firm, the falling is not easy, and the cost is low.

Claims

1. The utility model provides a pencil fixed knot constructs, includes pencil (1), mounting (2), be used for with joint spare (3) on mounting (2) are fixed to pencil (1) joint, its characterized in that: the fixing piece (2) is provided with a rectangular through hole (21); the clamping piece (3) comprises an inner card (31) and an outer card (32); the inner clamp (31) is integrally in an arch bridge shape and is provided with an upper part, a front side part (312) and a rear side part (313), the upper part is a wiring harness clamping part (311), and a clamping hole (314) for accommodating the wiring harness (1) is formed in the wiring harness clamping part (311) along the left-right direction; a clamping groove (315) is formed between the front side part (312) and the rear side part (313), and the clamping groove (315) is communicated with the clamping hole (314); the front side part (312) and the rear side part (313) are mutually staggered along the left-right direction, the front side part (312) deviates to the left, the lower end part of the left side surface of the front side part (312) is provided with a left step part (316), and the left step part (316) is tightly pressed on the left edge of the rectangular through hole (21) on the fixing part (2); the rear side part (313) is deviated to the right, the lower end part of the right side surface of the rear side part (313) is provided with a right step part (317), and the right step part (317) is tightly pressed on the right edge of the rectangular through hole (21) on the fixing part (2); outer card (32) wholly is the shape of falling the U, and its front side tip is equipped with preceding joint portion (321), rear side tip is equipped with back joint portion (322) down, preceding joint portion (321) and mounting (2) go up the cooperation of the front edge joint of rectangle through-hole (21), back joint portion (322) and mounting (2) go up the cooperation of the back edge joint of rectangle through-hole (21).

2. The wire harness fixing structure according to claim 1, wherein: the inner card (31) is positioned on the inner side of the outer card (32), and the maximum distance from the front side surface of the front side part (312) of the inner card (31) to the rear side surface of the rear side part (313) is larger than the maximum distance of the inverted U-shaped opening of the outer card (32).

3. The wire harness fixing structure according to claim 1 or 2, wherein: the front clamping portion (321) is of a U-shaped structure with a forward opening, and the rear clamping portion (322) is of a U-shaped structure with a backward opening.