CN214788930U

CN214788930U - Main reducer pencil fixed knot constructs

Info

Publication number: CN214788930U
Application number: CN202120371886.6U
Authority: CN
Inventors: 康建斌; 王瑛; 魏总亮; 陈江峰; 辛然; 陶先臣; 杨帅; 陈龙华; 陈勇军
Original assignee: Exquisite Automotive Systems Co Ltd
Current assignee: Exquisite Automotive Systems Co Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-19
Anticipated expiration: 2031-02-08

Abstract

The utility model provides a main reducer pencil fixed knot constructs, a be used for the pencil at main reducer casing's fixed, it includes fixed slot and pencil mounting, the fixed slot forms on main reducer casing, and the fixed slot has notch district and fixed area, pencil mounting suit is fixed in on the pencil, be equipped with flexible structure and fixed knot structure in the one end of pencil mounting, the width in notch district is not less than the external diameter of pencil, and be less than the external diameter of the pencil mounting of flexible structure position, and insert by a lateral fixed area along with the pencil mounting, because of flexible structure's elastic deformation, and can make two archs in the fixed knot construct keep off respectively and arrange the both sides of fixed slot in. The utility model discloses a main reducer pencil fixed knot constructs on being fixed in the main reducer casing with the pencil through using the pencil mounting, can make the fixed assembly process of pencil simple convenient, effective reduction in production cost, and save the installation space of pencil on main reducer to be convenient for arrange in whole car.

Description

Main reducer pencil fixed knot constructs

Technical Field

The utility model relates to an automobile parts technical field, in particular to main reducer pencil fixed knot constructs.

Background

At present, more and more transverse engine vehicle types have a four-wheel drive configuration, a front main reducer of the vehicle type is generally integrated in a gearbox, a rear main reducer adopts an independent disconnected rear axle structure and is matched with a torque manager, and the torque manager is a driving coupler capable of adjusting output torque, is connected to the rear main reducer through a wire harness, and controls torque input of the rear main reducer through an Electronic Control Unit (ECU).

The wire harness on the existing torque manager is generally assembled on the buckle, a buckle support is fixed on the main speed reducer shell in a threaded manner, and the wire harness is fixed on the main speed reducer shell by being fixed on the buckle support through the buckle. The wire harness fixing mode needs more wire harness auxiliary workpieces, is not beneficial to reducing the production cost, and has complex assembly procedures and longer production takt; in addition, the mode of assembly buckle support needs to occupy certain installation space on the main reducer casing for main reducer is bulky, is unfavorable for whole car parts installation to arrange.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a main reducer pencil fixed knot constructs to the pencil is fixed on the main reducer casing.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a main reducer pencil fixed knot constructs for the pencil in the main reducer is fixed on the main reducer casing, main reducer pencil fixed knot constructs including fixed slot and pencil mounting, wherein:

the fixing groove is formed on the main speed reducer shell and is provided with a notch area and a fixing area with the width larger than that of the notch area;

the wire harness fixing piece is sleeved and fixed on the wire harness, one end of the wire harness fixing piece is provided with a deformable structure which can elastically deform along the radial direction of the wire harness and a fixing structure which is provided with two bulges arranged at intervals along the length direction of the wire harness, and at least one bulge in the fixing structure is positioned on the deformable structure;

the width of the notch area is not lower than the outer diameter of the wiring harness and smaller than the outer diameter of the wiring harness fixing piece at the position of the deformable structure, the outer diameter of the wiring harness fixing piece at the position of each protrusion is larger than the width of the fixing area, and the two protrusions in the fixing structure can be respectively blocked at two sides of the fixing groove due to the elastic deformation of the deformable structure along with the insertion of the wiring harness fixing piece from one side to the fixing area.

Furthermore, the deformable structures are arranged on the wire harness fixing piece in a cantilever shape, the two deformable structures are symmetrically arranged on two sides of the wire harness fixing piece, and the fixing structures are respectively arranged on the deformable structures corresponding to the two sides.

Further, one end of the wire harness fixing member is configured as a fixed end having a gap with the wire harness, and the deformable structure is formed on the fixed end by the slots on two opposite sides of the deformable structure.

Further, only one of the protrusions of the fixed structure is located on the deformable structure, and the other protrusion is located near the root of the deformable structure.

Further, the protrusions on the deformable structure are located at the ends of the deformable structure.

Further, a guide slope is provided on the protrusion at the end of the deformable structure, and the guide slope is configured to guide the protrusion through the fixing region.

Furthermore, the wire harness fixing part is fixed on the wire harness in an interference fit mode, an opening penetrating in the length direction of the wire harness fixing part is formed in one side of the wire harness fixing part, the wire harness fixing part is sleeved on the wire harness through the opening, and the two deformable structures are respectively arranged on two sides of the opening.

Further, the distance between the two protrusions in the fixing structure is larger than the thickness of the main speed reducer shell between two sides of the fixing area.

Further, the wire harness fixing piece is formed by injection molding.

Furthermore, a torque manager is arranged in the main speed reducer, and the wire harness is connected with the torque manager.

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

the main reducer wire harness fixing structure can reduce wire harness auxiliary workpieces assembled on the main reducer shell by forming the fixing groove on the main reducer shell, reduce the production cost and is beneficial to reducing wire harness fixing use space; and the mode that adopts the pencil mounting to insert in the fixed slot can be convenient for the pencil again and be fixed in main reducer casing on, its assembly process is simple convenient, is favorable to accelerating the production rhythm.

In addition, the deformable structures are arranged symmetrically to the two sides of the wire harness fixing piece, so that the clamping effect of the fixing structure on the fixing groove after the deformable structures are elastically deformed can be further enhanced; the guide inclined plane arranged on the bulge at the end part of the deformable structure can facilitate the formed bulge to pass through the fixing area of the fixing groove so as to reduce the interference between the bulge and the fixing groove; in addition, the wire harness fixing part is sleeved on the wire harness in an interference fit mode, so that the wire harness is convenient to fixedly assemble on the wire harness fixing part, and the assembly efficiency is improved.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an installation schematic view of a wire harness fixing structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing groove according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating an assembly of a wire harness to a harness fixing member according to an embodiment of the present invention;

fig. 4 is a schematic partial structural view of a wire harness fixing member according to an embodiment of the present invention;

description of reference numerals:

1. fixing grooves; 2. a wire harness fixing member; 3. a main reducer housing; 4. a wire harness;

101. a notch area; 102. a fixed zone;

201. a deformable structure; 202. a protrusion; 203. a fixed end; 204. grooving; 205. a guide slope; 206. an opening;

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a main reducer wire harness fixing structure, which is used for fixing a wire harness of a main reducer on a main reducer shell and specifically comprises a fixing groove and a wire harness fixing piece penetrating through the fixing groove.

The fixing groove is formed on the main speed reducer shell and is provided with a notch area and a fixing area, and the width of the fixing area is larger than that of the notch area; the wire harness fixing piece is sleeved and fixed on the wire harness, one end of the wire harness fixing piece is provided with a deformable structure capable of elastically deforming along the radial direction of the wire harness, and two protruding fixing structures arranged at intervals along the length direction of the wire harness are arranged, the outer diameter of the wire harness fixing piece at the position of each protrusion is larger than the width of the fixing area, and along with the insertion of the wire harness fixing piece into the fixing area from one side, due to the elastic deformation of the deformable structure, the two protrusions in the fixing structure can be respectively blocked and arranged on two sides of the fixing groove.

Based on the above overall structure design, an exemplary structure of the main reducer wire harness fixing structure according to the present embodiment is shown in fig. 1, wherein the fixing grooves 1 may be a plurality of fixing grooves spaced on the main reducer housing 3 along the wire harness 4 arrangement path, and the wire harness fixing member 2 is disposed corresponding to the fixing grooves 1 to ensure the stable state of the wire harness 4 on the main reducer; preferably, the wire harness 4 described in this embodiment is the wire harness 4 connected to the main reducer and the torque manager, and the installation manner of the main reducer and the torque manager and the specific butt joint structure of the wire harness 4 may adopt the existing mature technology, which is not described again in this embodiment.

Continuing with the description of the fixing groove 1, as shown in fig. 2, the fixing groove 1 is a special-shaped groove body with a certain thickness, and the notch area 101 and the fixing area 102 are enclosed to form a "convex" shape, so as to facilitate the clamping effect on the wire harness fixing part 2. Here, the width of the notch area 101 should be the same as the outer diameter of the wire harness 4, or slightly larger than the outer diameter of the wire harness 4, and the width should be smaller than the outer diameter of the wire harness fixing member 2 at the position of the deformable structure 201, through this arrangement, the wire harness 4 on which the wire harness fixing member 2 is mounted can enter the fixing groove 1 through the notch area 101, and the wire harness fixing member 2 is limited in the fixing groove 1 in the radial direction due to the interference of the outer diameter of the wire harness fixing member 2, so that the assembly is facilitated, and the limiting effect of the wire harness fixing member 2 in the fixing groove 1 can be formed.

As a preferred implementation form, the wire harness fixing member 2 of the present embodiment can be formed by injection molding of engineering plastics, and the engineering plastics have strong wear resistance, good electrical insulation and heat resistance, and are beneficial to improving the service effect and the service life of the wire harness fixing member 2. As shown in fig. 3 and 4, the deformable structures 201 are cantilevered on the wire harness fixing member 2, and the deformable structures 201 are two symmetrically arranged on two sides of the wire harness fixing member 2, and the deformable structures 201 corresponding to the respective sides are respectively provided with a fixing structure. Through setting up from this, and can further strengthen the spacing effect of fixed knot structure in fixed slot 1, prevent that pencil mounting 2 from breaking away from fixed slot 1 through wearing and tearing after a period of live time, and the two deformable structure 201 that set up relatively can be convenient for again that the staff operation draws close relatively, and makes two deformable structure 201 synchronization action realize elastic shrinkage.

As an exemplary embodiment of the above deformable structure 201, in the present embodiment, the wire harness fixing member 2 is fixed on the wire harness 4 in an interference fit manner with the wire harness 4, an opening 206 penetrating through the wire harness fixing member 2 in the length direction is provided at one side of the wire harness fixing member 2, the wire harness fixing member 2 is sleeved on the wire harness 4 through the opening 206, and the two deformable structures 201 are respectively disposed at two sides of the opening 206. Structurally, the wire harness fixing member 2 is integrally provided in a penetrating manner, and the cross section of the wire harness fixing member is fan-shaped by providing the opening 206, and preferably, the angle of the opening 206 formed correspondingly should be not more than 90 °, so that the wire harness 4 and the wire harness fixing member 2 are tightly fitted by elastic deformation of the material of the wire harness fixing member 2.

Further, when the deformable structure 201 is provided on the wire harness fixing member 2 in a cantilever form, as a preferred embodiment, one end of the wire harness fixing member 2 is configured as a fixed end 203 with a gap formed between itself and the wire harness 4, and the deformable structure 201 is formed on the fixed end 203 through the slots 204 on both opposite sides thereof. The deformable structure 201 is preferably formed of a plastic spring plate having an elastic deformation force that is resilient in a circumferential direction, formed on the fixed end 203, so that the deformable structure 201 is elastically deformed when passing through the fixing groove 1. The slot 204 is spaced from the deformable structure 201 to facilitate the elastically deformable movement of the deformable structure 201 and to reduce interference between the deformable structure 201 and the fixed end 203.

The clearance between the fixed end 203 and the wire harness 4 is arranged, so that the wire harness fixing piece 2 has a certain deformation amount when passing through the fixing groove 1, and the wire harness fixing piece 2 is facilitated to pass through the fixing groove 1; of course, instead of making the deformable structure 201 and the fixed end 203 end flush, the deformable structure 201 may be extended directly to extend beyond the fixed end 203, as long as a movable gap is ensured between the deformable structure 201 and the wire harness 4. In order to further facilitate the penetrating operation of the wire harness fixing member 2, the corresponding end position of the fixing end 203 is chamfered, and the wire harness 4 which is matched and sleeved in the wire harness fixing member 2 and is located at the end position can be restrained further by the chamfering, so that the swinging of the wire harness 4 located at the fixing end 203 position is reduced.

As shown in fig. 4, in the present embodiment, based on the arrangement of the deformable structure 201, only one protrusion 202 of the fixing structure is located on the deformable structure 201, and the other protrusion 202 is located near the root of the deformable structure 201, and in order to effectively utilize the elastic deformation length of the deformable structure 201, in the present embodiment, the protrusion 202 located on the deformable structure 201 is further located at the end of the deformable structure 201, and through this arrangement, the protrusion 202 located at the end position moves synchronously with the deformable structure 201 and can extend into the fixing groove 1, so that the two protrusions 202 together form a limit for the fixing groove 1. In addition, it should be noted that the distance between the two protrusions 202 in the fixing structure on the wire harness fixing member 2 is at least greater than the thickness of the final drive housing 3 between the two sides of the fixing area 102, so that after the wire harness fixing member 2 passes through the fixing area 102, the two protrusions 202 can be respectively limited corresponding to the two sides of the final drive housing 3.

In order to further reduce the interference of the end of the deformable structure 201 penetrating the fixing groove 1 based on the arrangement of the protrusion 202 at the end of the deformable structure 201, the protrusion 202 is further provided with a guiding inclined surface 205 extending outwards, and the guiding inclined surface 205 is configured to guide the protrusion 202 to pass through the fixing area 102. Here, the guiding surface may be a spherical inclined surface having a certain curvature, as long as the outer diameter of the wire harness fixing member 2 at the position of the protrusion 202 is ensured to be larger than the width of the fixing region 102.

The main reducer wire harness fixing structure of the embodiment extrudes the wire harness 4 inwards along the opening 206 of the wire harness fixing member 2 during assembly, and the wire harness fixing member 2 is sleeved on the wire harness 4 due to the elastic material of the wire harness fixing member 2 and is in interference fit with the wire harness 4, so that the wire harness 4 and the wire harness fixing member 2 are fixed. Then, the wire harness 4 extending out of the wire harness fixing member 2 is placed into the fixing area 102 from the notch area 101 of the fixing groove 1, the two opposite deformable structures 201 are kneaded to be deformed inwards in the circumferential direction, then the deformed wire harness fixing member 2 is operated to penetrate through the fixing area 102, when the protrusions 202 at the end parts of the deformable structures 201 cross the thickness of the fixing groove 1, the external force is removed, the two deformable structures 201 restore elasticity and bounce outwards in the circumferential direction, and at the moment, because the outer diameter of the wire harness fixing member 2 is larger than the width of the notch area 101, the wire harness fixing member 2 is limited on two sides of the fixing area 102 of the fixing groove 1 through the two protrusions 202 and is restrained on the main speed reducer shell 3.

The main reducer wire harness fixing structure of the utility model can reduce the wire harness auxiliary workpiece assembled on the main reducer shell 3 by forming the fixing groove 1 on the main reducer shell 3, reduce the production cost and is beneficial to reducing the occupied space when the wire harness 4 is fixed; and the mode that adopts pencil mounting 2 to insert in fixed slot 1 can be convenient for again on pencil 4 is fixed in main reducer casing 3, and its assembly process is simple convenient, is favorable to accelerating the production rhythm.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A main reducer wire harness fixing structure for fixing a wire harness (4) in a main reducer on a main reducer case (3), characterized in that: main reducer pencil fixed knot constructs includes fixed slot (1) and pencil mounting (2), wherein:

the fixing groove (1) is formed on the main speed reducer shell (3), and the fixing groove (1) is provided with a notch area (101) and a fixing area (102) with the width larger than that of the notch area (101);

the wire harness fixing piece (2) is sleeved and fixed on the wire harness (4), one end of the wire harness fixing piece (2) is provided with a deformable structure (201) capable of elastically deforming along the radial direction of the wire harness (4) and a fixing structure provided with two protrusions (202) arranged at intervals along the length direction of the wire harness (4), and at least one protrusion (202) in the fixing structure is positioned on the deformable structure (201);

the width of the notch area (101) is not less than the outer diameter of the wire harness (4) and less than the outer diameter of the wire harness fixing piece (2) at the position of the deformable structure (201), the outer diameter of the wire harness fixing piece (2) at the position of each protrusion (202) is greater than the width of the fixing area (102), and the two protrusions (202) in the fixing structure can be respectively blocked at two sides of the fixing groove (1) due to the elastic deformation of the deformable structure (201) along with the insertion of the wire harness fixing piece (2) from one side to the fixing area (102).

2. The final drive wire harness fixing structure according to claim 1, wherein: the deformable structures (201) are arranged on the wiring harness fixing piece (2) in a cantilever shape, the deformable structures (201) are symmetrically arranged on two sides of the wiring harness fixing piece (2), and the fixing structures are respectively arranged on the deformable structures (201) corresponding to the sides.

3. A final drive wire harness fixing structure according to claim 2, wherein: one end of the wire harness fixing piece (2) is configured to be a fixed end (203) forming a gap with the wire harness (4), and the deformable structure (201) is formed on the fixed end (203) through grooves (204) located on two opposite sides of the deformable structure.

4. A final drive wire harness fixing structure according to claim 3, wherein: only one of the protrusions (202) of the fixed structures is located on the deformable structure (201), and the other protrusion (202) is located close to the root of the deformable structure (201).

5. The final drive wire harness fixing structure according to claim 4, wherein: the protrusions (202) on the deformable structure (201) are located at the ends of the deformable structure (201).

6. The final drive wire harness fixing structure according to claim 5, wherein: the projection (202) at the end of the deformable structure (201) is provided with a guiding bevel (205), and the guiding bevel (205) is configured to guide the projection (202) through the fixation area (102).

7. A final drive wire harness fixing structure according to claim 2, wherein: the wire harness fixing piece (2) is fixed on the wire harness (4) in an interference fit mode with the wire harness (4), an opening (206) penetrating in the length direction of the wire harness fixing piece (2) is formed in one side of the wire harness fixing piece (2), the wire harness fixing piece (2) is sleeved on the wire harness (4) through the opening (206), and the two deformable structures (201) are arranged on two sides of the opening (206) respectively.

8. The final drive wire harness fixing structure according to claim 1, wherein: the distance between two protrusions (202) in the fixing structure is larger than the thickness of the main speed reducer shell (3) between two sides of the fixing area (102).

9. The final drive wire harness fixing structure according to claim 1, wherein: the wire harness fixing piece (2) is formed by injection molding.

10. A final drive wire harness fixing structure according to any one of claims 1 to 9, wherein: the main speed reducer is internally provided with a torque manager, and the wire harness (4) is connected with the torque manager.