CN218386493U

CN218386493U - Wire harness mounting and fixing structure

Info

Publication number: CN218386493U
Application number: CN202221442360.3U
Authority: CN
Inventors: 刘晶晶; 周欣炜
Original assignee: Magneti Marelli Automotive Components Wuhu Co Ltd
Current assignee: Magneti Marelli Automotive Components Wuhu Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2023-01-24
Anticipated expiration: 2032-06-09

Abstract

The utility model provides a pencil installation fixed knot constructs, include: the wire harness fixing terminal comprises a cylindrical fixing part, a first reinforcing rib, a fixing fin and a wire harness mounting part; prevent rotation terminal including preventing rotation support, card and portion and splice bar, prevent that rotation support is discontinuous annular structure, prevent the excircle diameter looks adaptation of rotation support's interior circle diameter and cylindric fixed part, the cooperation of pegging graft each other with the inside side of cylindric fixed part in card and portion, fixed fin slides along inserting and sets up in the breach department of preventing rotation support discontinuous annular structure. The utility model discloses an interference fit of card sum portion and first strengthening rib for it is firm to be installed in the pencil installation department's pencil installation, prevents the pencil at the inside drunkenness of car light, makes more stable and the setting reliably of pencil in the lamp body.

Description

Wire harness mounting and fixing structure

Technical Field

The utility model relates to a fixed technical field of car wiring harness specifically relates to a wiring harness installation fixed knot constructs.

Background

Along with the automobile intelligent degree promotes gradually, electronic components also become more and more, and the pencil that gives these electrical part also correspondingly increases a lot simultaneously, leads to the local very thick that becomes of pencil trunk to it is great with peripheral parts interference risk, and because interfere wearing and tearing and to cause the loss to the pencil.

In chinese patent document No. CN211617606U, a wire harness fixing device is disclosed, which includes at least one trunk wire harness fixing member and at least one branch wire harness fixing member, the trunk wire harness fixing member and the branch wire harness fixing member are arranged along the direction of a wire harness; the trunk harness fixing member has a trunk harness groove and a trunk fixing portion; the branch wire harness fixing component is provided with at least two branch wire harness grooves and a branch fixing part, the at least two branch wire harness grooves and the branch fixing part are fixed, the at least two branch wire harness grooves are sequentially arranged along a linear direction, and the linear direction is perpendicular to the axial direction of the branch wire harness grooves; accommodation spaces are formed in the main line bundle grooves and the branch line bundle grooves, notches are formed in the main line bundle grooves and the branch line bundle grooves respectively, and the notches are communicated with the accommodation spaces. The fixing device disclosed in this document is however rather cumbersome to mount.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a pencil installation fixed knot constructs.

According to the utility model provides a pair of wire harness installation fixed knot constructs, include: the wire harness fixing terminal comprises a cylindrical fixing part, a first reinforcing rib, a fixing fin and a wire harness mounting part; the first reinforcing ribs are uniformly arranged on the inner side surface of the cylindrical fixing part, the fixing fins are arranged on the outer side surface of the cylindrical fixing part, and the wire harness mounting part is arranged on the outer side surface of the cylindrical fixing part and is positioned among the fixing fins;

prevent rotation terminal including preventing rotation support, card and portion and splice bar, prevent that rotation support is discontinuous annular structure, card and position are located the rotation support centre of a circle department of preventing, the splice bar is connected in the one end of card and portion and rotation support of preventing, the interior circle diameter of preventing rotation support and the excircle diameter looks adaptation of cylindric fixed part, the cooperation of pegging graft each other is followed with the inside side of cylindric fixed part to card and portion, fixed fin slides along with inserting and sets up in the breach department of preventing rotation support discontinuous annular structure.

Preferably, the first reinforcing ribs are uniformly arranged on the inner side surface of the cylindrical fixing part, and the number and the shape of the first reinforcing ribs are set according to application requirements.

Preferably, the first reinforcing rib is connected with the card and the part in an interference fit mode, and the fit contact surface is located on the axial surface of the first reinforcing rib in the insertion direction of the card and the part.

Preferably, the fixing fin, the cylindrical fixing portion, and the wire harness mounting portion are all integrally formed.

Preferably, gaps are arranged between two end faces of the discontinuous annular structure of the anti-rotation support and the fixed fins, and the fixed fins have rotating allowance between the two end faces.

Preferably, the tab and the portion are coaxially disposed with the anti-rotation bracket and the tab and the portion are taller than the anti-rotation bracket.

Preferably, the connecting rib is connected to the bottom of the locking portion and the rotation-preventing bracket, and when the wire harness fixing terminal and the rotation-preventing terminal are inserted into each other, the end face of the cylindrical fixing portion contacts with the connecting rib.

Preferably, the cylindrical fixing part is provided with second reinforcing ribs on the inner side surface, and the second reinforcing ribs are arranged between the first reinforcing ribs at intervals.

Preferably, rear side end faces of the first reinforcing rib and the second reinforcing rib are provided as chamfered faces.

Preferably, the second reinforcing rib and the clamping portion are clamped with each other, and the contact surface is located on the inclined cutting surface of the second reinforcing rib.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through the interference fit of card sum portion and first strengthening rib for the pencil installation of being installed in the pencil installation department is firm, and the difficult drunkenness that takes place of pencil, and the installation is simple stable.

2. A certain distance is kept between the fixed fin and the end face of the anti-rotation terminal, so that the wire harness can still keep a certain adjusting allowance.

3. By providing the chamfered surfaces on the first reinforcing rib and the second reinforcing rib, the engaging portion can be slid into the cylindrical fixing portion through the rear end surface of the first reinforcing rib and the rear end surface of the second reinforcing rib.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a three-dimensional view of a wire harness fixing terminal in the embodiment;

FIG. 2 is a top view of an embodiment of an anti-rotation bracket 201;

FIG. 3 is a front view of an embodiment of an anti-rotation terminal;

FIG. 4 is a schematic three-dimensional structure of an anti-rotation terminal according to an embodiment;

FIG. 5 is an assembly view of a wire harness installation fixing structure in the embodiment;

FIG. 6 is an assembled sectional view of a wire harness installation fixing structure in the embodiment;

FIG. 7 is a rear view of an embodiment of an anti-rotation terminal;

FIG. 8 is an isometric view of an anti-rotation terminal of an embodiment;

FIG. 9 is an assembled sectional view of the wire harness installation fixing structure in the embodiment;

FIG. 10 is an assembled front view of a wire harness installation fixing structure in the embodiment;

fig. 11 is an effect diagram of the utility model discloses a wire harness installation fixed knot constructs in kind.

Description of reference numerals:

wire harness fixing terminal 10 rotation prevention terminal 20

Anti-rotation bracket 201 of cylindrical fixing part 101

The first reinforcing bead 102 engages the portion 202

Connecting rib 203 of fixed fin 103

Wire harness attachment 104

Second reinforcing rib 105

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

The utility model discloses a pencil installation fixed knot constructs, include: the wire harness fixes the terminal 10 and the rotation prevention terminal 20. Referring to fig. 1, the wire harness fixing terminal 10 includes a cylindrical fixing portion 101, a first reinforcing rib 102, a fixing fin 103, and a wire harness mounting portion 104; the first reinforcing ribs 102 are uniformly arranged on the inner side surface of the cylindrical fixing portion 101, and the shape of the first reinforcing ribs 102 is as shown in fig. 1, in this embodiment, the number of the first reinforcing ribs 102 is set to 6, and the shape and the number of the first reinforcing ribs 102 may be set differently according to different practical application scenarios. The fixing fins 103 are provided on the outer side surface of the cylindrical fixing portion 101, and in the present embodiment, the number of the fixing fins 103 is two, and the wire harness mounting portion 104 is provided on the outer side surface of the cylindrical fixing portion 101 between the plurality of fixing fins 103. The fixing fin 103, the cylindrical fixing portion 101, and the fixing fin 103 are all integrally formed.

Referring to fig. 2 to 4, the anti-rotation terminal 20 includes an anti-rotation bracket 201, a snap portion 202 and a connecting rib 203, wherein the anti-rotation bracket 201 is a discontinuous annular structure in a top view, and an inner circular radius of the anti-rotation bracket 201 is matched with an outer circular radius of the cylindrical fixing portion 101 and is slightly larger than the outer circular radius of the cylindrical fixing portion 101; the missing annular angle α is adaptively adjusted according to the distance between at least two of the fixed fins 103, which is represented by a certain distance between the end surface a and the end surface B and the adjacent fixed fin 103.

Card and portion 202 are located anti-rotation support 201 centre of a circle department, splice bar 203 is connected in card and portion 202 and the one end of preventing rotation support 201, the interior circle diameter of preventing rotation support 201 and the excircle diameter looks adaptation of cylindric fixed part 101, the cooperation of pegging graft each other with the inside side of cylindric fixed part 101 of card and portion 202, fixed fin 103 slides along with the grafting and sets up in the breach department of preventing rotation support 201 discontinuous ring structure.

The locking portion 202 and the rotation prevention support 201 are coaxially arranged, the locking portion 202 is higher than the rotation prevention support 201, the connecting rib 203 is connected to the locking portion 202 and the bottom of the rotation prevention support 201, and when the wiring harness fixing terminal 10 and the rotation prevention terminal 20 are plugged with each other, the end face of the cylindrical fixing portion 101 contacts with the connecting rib 203.

Referring to fig. 5 and 6, the catching portion 202 penetrates through the rear of the wire harness fixing terminal 10 and is fixed in the cylindrical fixing structure by the first reinforcing bead 102, and the wire harness to be fixed is connected to the wire harness mounting fixing structure by the wire harness mounting portion 104. The fixing fins 103 are spaced apart from the end surface a of the rotation prevention terminal 20 after the assembly is completed, so that the wire harness can be retained with a certain adjustment margin, and the presence of the space is also advantageous for the assembly between the wire harness fixing terminal 10 and the rotation prevention terminal 20.

Referring to fig. 7, the cylindrical fixing portion 101 is provided at an inner side thereof with second ribs 105, and the second ribs 105 are spaced apart from each other between the first ribs 102.

As shown in fig. 8, 9 and 10, the rear end surface C of the first rib 102 and the rear end surface D of the second rib 105 are chamfered so that the engaging portion 202 slides into the inside of the cylindrical fixing portion 101 through the rear end surface C of the first rib 102 and the rear end surface D of the second rib 105. When the first reinforcing rib 102 is connected with the engaging portion 202 in an interference fit manner, the engaging contact surface is located on an axial surface of the first reinforcing rib 102 along the inserting direction of the engaging portion 202. The second reinforcing rib 105 and the clamping part 202 are clamped with each other, and the contact surface is positioned on the inclined cutting plane of the second reinforcing rib 105. The fixed fins 103 are spaced from the end surfaces of the rotation preventing terminals 20, so that the wire harness can be retained with a certain adjustment margin.

Referring to fig. 11, for the utility model discloses a wire harness installation fixed knot constructs's effect picture in kind, this wire harness installation fixed knot constructs and is used for the fixed of car light pencil, prevents that rotation terminal 20 and car light inner support often are integrated into one piece structure, through preventing rotation terminal and pencil fixed knot structure's cooperation, accomplishes the pencil for the installation of car light inner support and spacing to the pencil.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing descriptions have been directed to embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A wire harness mounting and fixing structure, comprising: a wire harness fixing terminal (10) and a rotation prevention terminal (20), the wire harness fixing terminal (10) including a cylindrical fixing portion (101), a first reinforcing rib (102), a fixing fin (103), and a wire harness mounting portion (104); the first reinforcing ribs (102) are uniformly arranged on the inner side surface of the cylindrical fixing part (101), the fixing fins (103) are arranged on the outer side surface of the cylindrical fixing part (101), and the wire harness mounting part (104) is arranged on the outer side surface of the cylindrical fixing part (101) and is positioned among the fixing fins (103);

prevent that rotation terminal (20) includes anti-rotation support (201), card and portion (202) and splice bar (203), prevent that rotation support (201) is discontinuous annular structure, card and portion (202) are located anti-rotation support (201) centre of a circle department, splice bar (203) are connected in the one end of card and portion (202) and anti-rotation support (201), the interior circle diameter of preventing rotation support (201) and the excircle diameter looks adaptation of cylindric fixed part (101), the inside side cooperation of pegging graft each other of card and portion (202) and cylindric fixed part (101), fixed fin (103) are followed the pegging graft and are slided and are set up in the breach department of preventing rotation support (201) discontinuous annular structure.

2. The wire harness installation fixing structure according to claim 1, wherein: the first reinforcing ribs (102) are arranged in a plurality and uniformly arranged on the inner side surface of the cylindrical fixing part (101), and the number and the shape of the first reinforcing ribs (102) are set according to application requirements.

3. The wire harness installation fixing structure according to claim 2, wherein: the first reinforcing rib (102) is connected with the clamping portion (202) in an interference fit mode, and the matching contact surface is located on the axial surface of the first reinforcing rib (102) in the inserting direction of the clamping portion (202).

4. The wire harness installation fixing structure according to claim 1, wherein: the fixing fin (103), the cylindrical fixing portion (101), and the wire harness mounting portion (104) are all integrally formed.

5. The wire harness installation and fixation structure according to claim 1, wherein: gaps are arranged between two end faces of the non-continuous annular structure of the anti-rotation support (201) and the fixed fins (103), and the fixed fins (103) have rotating allowance between the two end faces.

6. The wire harness installation fixing structure according to claim 1, wherein: the clamping part (202) and the anti-rotation support (201) are coaxially arranged, and the clamping part (202) is higher than the anti-rotation support (201).

7. The wire harness installation fixing structure according to claim 1, wherein: the connecting rib (203) is connected to the bottom of the clamping part (202) and the anti-rotation support (201), and when the wiring harness fixing terminal (10) and the anti-rotation terminal (20) are mutually inserted, the end face of the cylindrical fixing part (101) is in contact with the connecting rib (203).

8. The wire harness installation and fixation structure according to claim 1, wherein: and second reinforcing ribs (105) are arranged on the inner side surface of the cylindrical fixing part (101), and the second reinforcing ribs (105) are arranged among the first reinforcing ribs (102) at intervals.

9. The wire harness installation and fixation structure according to claim 8, wherein: the rear side end faces of the first reinforcing rib (102) and the second reinforcing rib (105) are arranged to be chamfer faces.

10. The wire harness installation fixing structure according to claim 8, wherein: the second reinforcing rib (105) and the clamping part (202) are clamped with each other, and the contact surface is positioned on the oblique cutting surface of the second reinforcing rib (105).