CN214590291U - Wire harness fixing frame - Google Patents

Abstract

The utility model provides a pencil mount, this pencil mount include the base and establish the cramping body on the base, and the pencil is then fixed by the centre gripping between base and cramping body. The clamping body is arranged on the base, and the clamping body is arranged on the base. The utility model discloses a pencil mount, the mode that adopts base and grip body centre gripping realizes fixing to the pencil circuit, and be provided with preassemble structure and fastening structure between the holding body and the base, accessible preassemble structure is at first with the accurate assembly to the base in holding body location, realize linking firmly of holding body and base using fasteners etc. improve the fixed firmness to the circuit, because preassemble structure's setting, it is convenient that the hole is not only acknowledged to parts such as fasteners when fastening installation, and need not handheld holding body location to make the assembly of pencil mount more convenient.

Description

Wire harness fixing frame

Technical Field

The utility model relates to an automobile electrical technology field, in particular to wire harness fixing frame.

Background

In recent years, development of new energy automobiles has been advanced, and various new energy automobiles have been gradually moved into our daily lives. In new energy vehicles, high-voltage wire harnesses are required to transmit electric energy, and the electric functions of high-voltage components such as battery packs, motor controllers and motors are realized. In order to ensure the stable trend of the wire harness and avoid the abrasion and further ablation of the high-voltage wire harness, the corresponding wire protecting plate, the fixing frame and the like are designed according to the assembly environment of the high-voltage wire harness and the trend of the high-voltage wire harness, so that the wire harness is effectively protected, the reliability of the wire harness is improved, and the safety of the wire harness and the quality of the whole vehicle are further improved.

Existing wiring harness arrangements, particularly wiring harnesses between parts having relative movement, are still often secured using straps. In the whole vehicle running process, friction between a ribbon and a high-voltage wire harness often occurs, and the cable insulation skin is damaged, so that the whole vehicle insulation fault is caused. Or the fixed point of the wire harness is disconnected, the acting force of the wire harness is transmitted to the electric device connected with the wire harness, the function of the electric device is influenced, and the normal operation of the whole vehicle is further influenced. The above-mentioned failures bring about the safety hazard of the vehicle, and also bring about great trouble to the customer, which affects the performance and reliability of the whole vehicle, and needs to be improved and prevented.

High-voltage wire harnesses on some vehicles are fixed by adopting a fixed support, but the design structure of the fixed supports has some defects, for example, the support is inconvenient to assemble and operate, and the support and the circuit are lack of protection, so that the circuit is easy to wear; there is therefore much room for improvement.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a wire harness fixing frame, so as to provide a wire harness fixing member convenient for assembling.

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

a wire harness fixing frame comprises a base and a clamping body arranged on the base, wherein a pre-installation structure and a fastening structure are arranged between the base and the clamping body; the preassembly structure is used for positioning and assembling the clamping body on the base; the fastening structure is used for fixedly connecting the clamping body and the base.

Furthermore, the preassembly structure comprises a positioning cavity arranged on the base and a positioning bulge arranged on the clamping body; the positioning bulge is inserted in the positioning cavity.

Furthermore, the fastening structure comprises a fastening piece and a screw hole arranged at the bottom of the positioning cavity; the fastener penetrates through the positioning protrusion and is in threaded connection with the threaded connection hole.

Furthermore, the preassembly structure comprises a clamping structure arranged between the base and the clamping body.

Furthermore, the clamping structure comprises bayonets arranged at two ends of the clamping body, and clamping blocks arranged on the base corresponding to the bayonets.

Furthermore, a plurality of concave lower clamping parts are arranged on the base at intervals, and a plurality of concave upper clamping parts are arranged on the clamping body; the plurality of lower clamping parts and the plurality of upper clamping parts are arranged in a one-to-one correspondence manner; and the corresponding lower clamping part and the upper clamping part surround to form a circuit fixing hole.

Furthermore, a protection pad is arranged in the circuit fixing hole.

Further, the protection pad comprises a lower protection pad and an upper protection pad; the lower protection pad and the upper protection pad are respectively arranged in the lower clamping part and the upper clamping part.

Furthermore, clamping holes are formed in the bottoms of the lower clamping part and the upper clamping part; the lower protection pad and the upper protection pad are respectively provided with a clamping head; the clamping heads are clamped in the corresponding clamping holes.

Furthermore, the same side of each lower clamping part is respectively provided with a guide part; each guide part is provided with a plurality of line guide grooves.

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

harness mount, adopt the mode of base and the centre gripping body phase centre gripping to realize the fixed to the wiring of harness, the base is convenient for the installation on the wiring basis of circuits such as vehicle is fixed, and be provided with preassemble structure and fastening structure between the holding body and the base, accessible preassemble structure is at first with the accurate assembly to the base in holding body location, use fastening structure such as fastener to realize linking firmly of holding body and base, improve the fixed firmness to the circuit, because preassemble structure's setting, it is convenient that parts such as fastener not only think the hole when fastening installation, and need not to hand the location of holding body, thereby make the assembly of harness mount more convenient.

In addition, through set up a plurality of lower clamping parts and the last clamping part that correspond on base and clamping body to form the circuit fixed orifices by lower clamping part and the last clamping part lock that correspond, with the appearance looks adaptation of circuit, can realize the fixed effect of good centre gripping to the circuit. And set up the protection pad in the circuit fixed orifices to form the liner between the inner wall of circuit fixed orifices and circuit, can prevent the indentation damage of base or clamping body to the circuit epidermis, thereby effectively reduce the wearing and tearing of pencil mount itself to the circuit. Furthermore, flanges can be constructed at the two ends of the protection pad, so that the outer edges at the two ends of the circuit fixing hole are completely covered by the protection pad, and the direct contact between the lower clamping part and the circuit and the direct contact between the upper clamping part and the circuit can be completely avoided, so that the protection effect of the wire harness fixing frame on the circuit is further improved.

Drawings

The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:

fig. 1 is a schematic view illustrating an assembly relationship between a wire harness fixing frame and a circuit according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a clamping body and a fastening member according to a first embodiment of the present invention;

fig. 3 is an exploded view of a harness fixing frame according to a first embodiment of the present invention;

FIG. 4 is a schematic structural view of the harness support of FIG. 3 with the protective pad removed;

fig. 5 is a schematic view illustrating an assembly relationship between a wire harness fixing frame and a circuit according to a second embodiment of the present invention;

description of reference numerals:

1. a base; 100. a lower clamping portion; 101. screwing holes; 102. a positioning cavity; 103. positioning a groove; 104. a clamping block; 11. a guide portion; 110. a line guide groove; 111. reinforcing ribs; 12. an installation part; 120. mounting holes;

2. a clamping body; 200. an upper clamping portion; 201. penetrating and installing holes; 202. positioning the projection; 203. positioning a plate; 204. a bayonet;

3. a pad; 30. clamping the hole; 31. a lower protection pad; 32. an upper protection pad; 300. clamping a head; 301. flanging; 4. a fastener; 5. and (4) a line.

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", "back", 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.

Furthermore, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless expressly limited otherwise. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both 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.

Example one

The embodiment relates to a wire harness fixing frame which is used for arranging and fixing a wire harness on a wiring basis of a vehicle and the like and has the characteristic of convenience in assembly.

The wire harness fixing frame comprises a base and a clamping body arranged on the base; wherein, a preassembly structure and a fastening structure are arranged between the base and the clamping body; the pre-installation structure is used for positioning and assembling the clamping body on the base, and the fastening structure is used for fixedly connecting the clamping body and the base; the wiring harness is clamped and fixed between the base and the clamping body.

Based on the above design concept, an exemplary structure of the wire harness fixing frame of the present embodiment is shown in fig. 1, and mainly includes two parts, namely a base 1 and a clamping body 2.

In this embodiment, as shown in fig. 2 and 3, the pre-assembly structure includes a positioning cavity 102 disposed on the base 1 and a positioning protrusion 202 disposed on the clamping body 2, and the positioning protrusion 202 is inserted into the positioning cavity 102 to achieve positioning and assembling of the clamping body 2 on the base 1.

To facilitate accurate insertion of the positioning protrusion 202, some guiding structures may be disposed on the positioning protrusion 202 and the positioning cavity 102, so that the positioning protrusion 202 can be inserted into the positioning cavity 102 and guided. For example, in the present embodiment, a positioning groove 103 is further provided on the outer side of the positioning cavity 102, a positioning plate 203 is configured at a corresponding position on the clamping body 2, and when pre-assembly is performed, the positioning plate 203 is positioned and inserted into the positioning groove 103 to perform positioning and guiding assembly.

In order to keep the clamping body 2 on the base 1 after the clamping body is preassembled, the positioning protrusion 202 and the positioning cavity 102 can be in interference fit or tight fit, and when the positioning protrusion 202 is inserted into the positioning cavity 102, the clamping body 2 can be prevented from falling off due to friction force between the positioning protrusion 202 and the positioning cavity, so that a convenient condition is provided for subsequent installation and fastening of the fastening member 4. Therefore, the positioning cavity 102 is arranged on the base 1, and the corresponding positioning protrusion 202 is constructed on the clamping body 2, so that positioning preassembly can be realized in an insertion manner, the structure is simple and effective, and construction implementation is facilitated; through the tight fit between the positioning cavity 102 and the positioning protrusion 202, the clamping body 2 can be left on the base 1, which facilitates subsequent fastening installation.

Based on the above-described structure, as shown in fig. 4, the fastening structure may be provided in combination with the case of the pre-assembly structure. Specifically, the fastening structure includes a fastener 4 and a screw hole 101. The fastening member 4 may be a bolt or a screw, and the screw hole 101 may be opened at the bottom of the positioning cavity 102. When the clamping body 2 is preassembled on the base 1, the fastening member 4 penetrates through the through hole 201 of the clamping body 2 located at the positioning protrusion 202 and is screwed into the screw hole 101, so that the clamping body 2 can be fastened on the base 1. The number of the preassembly structures and the fastening structures can be flexibly set, in the embodiment, the preassembly structures are two groups arranged at the two ends of the clamping body 2, and the fastening structures are correspondingly arranged in two groups. The fastening mode of the fastening piece 4 and the screwing hole 101 is adopted, so that the connection strength is reliable, and the processing and the construction implementation are convenient.

As shown in fig. 1, 2 and 3, in order to form the interval arrangement and good fixation of each line 5 in the wire harness, a plurality of concave lower clamping parts 100 are provided on the base 1 at intervals, and a plurality of concave upper clamping parts 200 are provided on the clamping body 2. The plurality of lower clamping parts 100 and the plurality of upper clamping parts 200 are arranged in a one-to-one correspondence manner, when the clamping body 2 and the base 1 are assembled into a whole, the corresponding lower clamping parts 100 and the corresponding upper clamping parts 200 surround to form a line fixing hole, and each line 5 can be fixed in each line fixing hole. By the design, the corresponding lower clamping part 100 and the upper clamping part 200 are buckled to form a circuit fixing hole, and the circuit fixing hole is matched with the appearance of the circuit 5, so that a good clamping and fixing effect on the circuit 5 can be realized. Obviously, the surfaces of the lower and upper clamping portions 100 and 200 constitute the inner walls of the line fixing hole, which is preferably designed in a cylindrical shape; of course, the surfaces of the lower and upper clamping portions 100 and 200 may have other curved shapes.

In addition, a protection pad 3 is arranged in the circuit fixing hole. Through set up protection pad 3 in the circuit fixed orifices to form the liner between the inner wall of circuit fixed orifices and circuit 5, can prevent the indentation damage of base 1 or cramping body 2 to circuit 5 epidermis, thereby effectively reduce the wearing and tearing of pencil mount itself to circuit 5. Furthermore, flanges 301 can be formed at the two ends of the protection pad 3, so that the outer edges at the two ends of the line fixing hole are completely covered by the protection pad 3, and the direct contact between the lower clamping part 100 and the upper clamping part 200 and the line 5 can be completely avoided, so as to further protect the line 5 by the wire harness fixing frame. The pad 3 is preferably made of rubber.

The protection pad 3 can be an integrated pad which is pre-threaded on the line 5, or a wound rubber strip can be used as the protection pad 3. However, the above-mentioned method is troublesome, and in the present embodiment, the pad 3 includes a lower pad 31 and an upper pad 32; the lower pad 31 and the upper pad 32 are respectively provided in the lower clip 100 and the upper clip 200. The protection pads 3 of the two split bodies can be designed into a semicircle shape, and the two split bodies are just buckled into a cylindrical protection pad 3 which is matched with the shape of the line 5. Corresponding to the design characteristics of the lower clamping part 100 and the upper clamping part 200 and the mutual buckling of the clamping body 2 and the base 1, the protection pads 3 are designed into two split bodies, so that the lower protection pad 31 and the upper protection pad 32 are convenient to be arranged in the lower clamping part 100 and the upper clamping part 200 in advance, and the circuit 5 can be clamped between the lower protection pad 31 and the upper protection pad 32 along with the in-place assembly of the clamping body 2 on the base 1; in this way, the padding of pad 3 is easier to implement and to assemble as a whole.

In order to facilitate the pre-installation of the lower pad 31 and the upper pad 32 in place, the bottoms of the lower clamping part 100 and the upper clamping part 200 are both provided with clamping holes 30; the lower protection pad 31 and the upper protection pad 32 are both provided with clamps 300; the clamping heads 300 are clamped in the corresponding clamping holes 30; so that the lower pad 31 and the upper pad 32 can be quickly snapped into the lower clip 100 and the upper clip 200, respectively. The clamping structure of the clamping hole 30 and the clamping head 300 is adopted to facilitate the pre-installation of the lower pad 31 and the upper pad 32 in the lower clamping part 100 and the upper clamping part 200 and the processing and the construction.

As shown in fig. 4, the above-described base 1 may be used for a bend of a wire harness, and a guide 11 may be provided on the base 1 for the regular arrangement of each wire 5. Specifically, the guide portions 11 are respectively provided on the same side of each lower clamping portion 100; each guide portion 11 is provided with a plurality of line guide grooves 110. By additionally arranging the guide parts 11 on the base 1, the line guide grooves 110 in each guide part 11 are engaged with each lower clamping part 100 one by one, and the lines 5 positioned in the line fixing holes can be arranged in the corresponding line guide grooves 110; the bent shape of the wire guide groove 110 is preferably a circular arc, and the radius of the circular arc is set appropriately according to the spatial condition of the wiring harness arrangement and the diameter of the wire 5.

According to the design, the guide part 11 is utilized to provide guidance and protection for the line 5 led out from the line fixing hole, so that the protection performance of the line 5 by the harness fixing frame is improved, the wire harness fixing frame is suitable for the situation of the line harness in a bending arrangement scene, each line 5 in the line harness can be bent and arranged in a standard mode, and the normalization and the good fixing effect of line arrangement are improved.

In order to enhance the strength of the guide portion 11, a plurality of ribs 111 may be additionally provided on a surface of the guide portion 11 on a side opposite to the wire guide groove 110, and preferably, each rib 111 is provided in a direction perpendicular to the wire guide groove 110, and a reasonable number of ribs 111 are designed according to the overall size of the guide portion 11 and the weight of the wire 5.

In the wire harness fixing frame of the embodiment, the base 1 can be installed on a wiring foundation such as a vehicle body metal plate and a frame on a vehicle in advance, the installation part 12 in the form of a plate, a bracket and the like can be arranged at the bottom, the end and the like of the base 1, the installation part 12 is provided with the installation hole 120, and the base 1 is fixedly screwed on the wiring foundation by using a fastener such as a bolt and the like penetrating through the installation hole 120. The arrangement position, direction and shape of the mounting part 12 can be flexibly adjusted according to the specific situation on the wiring basis.

This embodiment harness fixing frame, the mode that adopts base 1 and the 2 looks centre gripping of cramping body realizes fixing to the wiring of harness, base 1 is convenient for the installation on the wiring basis of circuit such as vehicle is fixed, and be provided with preassemble structure and fastening structure between cramping body 2 and the base 1, accessible preassemble structure is at first with the accurate assembly to base 1 in cramping body 2 location, realize linking firmly of cramping body 2 and base 1 using fastening structure such as fastener 4, improve the fixed firmness to circuit 5, because preassemble the setting of structure, it is convenient not only to think the hole when fastening the installation for parts such as fastener 4, and need not to hand cramping body 2 location, thereby make the assembly of harness fixing frame more convenient.

Example two

The present embodiment also relates to a wire harness fixing bracket, and the wire harness fixing bracket of the present embodiment is designed based on the same principle and idea as the present embodiment. The difference is that the preassembly between the base 1 and the clamping body 2 takes a different form.

As shown in fig. 5, the preassembly structure comprises a snap-fit structure between the base 1 and the clamping body 2. The clamping body 2 is pre-assembled on the base 1 through a clamping structure. Set up the joint structure between base 1 and the clamping body 2, can realize good location and pre-installation effect equally, can be convenient with clamping body 2 initial assembly on base 1, subsequent fastening installation operation of being convenient for.

Specifically, the clamping structure includes two sets of bayonets 204 disposed at two ends of the clamping body 2, and two sets of fixture blocks 104 disposed on the base 1 corresponding to the bayonets 204. Each set may include one or more side-by-side bayonets 204 and cartridges 104. Bayonets 204 are arranged at two ends of the clamping body 2, and the clamping block 104 is arranged on the base 1 corresponding to the bayonets 204, so that two-point connection of the clamping body 2 on the base 1 can be formed, and the clamping strength is reliable; moreover, the arrangement space is reasonable in arrangement, does not interfere with the clamping part of the clamping body 2, and facilitates the integral construction of the wire harness fixing frame. Wherein, bayonet socket 204 can be enclosed by the square frame that is the cantilever setting, and when pressing the assembly to base 1 with clamping body 2 on, this cantilever form square frame is guided by the support of the fixture block 104 that has the inclined plane, relies on self deformation and outwards expands, crosses fixture block 104 rear frame and restores the shape, in putting the bayonet socket 204 in the square frame with fixture block 104 card, accomplishes the pre-installation of clamping body 2 on base 1 and targets in place.

The clamping structure has the effect of facilitating assembly operation. Other parts of the wire harness fixing frame can adopt the structure arrangement in the first embodiment, and are not described again.

It should be noted that the present invention relates to a wire harness fixing frame, and more particularly, to a high-voltage wire harness fixing frame for use in a vehicle. For the high-voltage wire harness connected with the moving section part, the fixing effect is better. The fixed point of the wire harness can be effectively prevented from being disengaged under stress, so that the wire harness is prevented from interfering with peripheral parts. The interval specification of each circuit 5 on the pencil mount is arranged, can reduce the friction between the cable, prevents the insulating skin damage of circuit 5.

Through adopting this pencil mount, convenient assembling can standardize the trend of high-pressure pencil, reduces the deviation of pencil trend, also can accomplish good control to the angle of buckling of cable, does benefit to pencil life's improvement.

The wiring harness fixing frame improves the connection strength between the wiring harness and a wiring foundation on a vehicle, and ensures that the wiring harness does not interfere with peripheral parts when the whole vehicle runs; the friction failure between the wire harness fixing point and the wire harness at the connecting moving section is eliminated, the arrangement quality of the wire harness is improved, and the normal operation of the electric functional parts of the whole vehicle is guaranteed. Meanwhile, due to the arrangement of the preassembly structure in the wire harness fixing frame, the wire harness fixing frame and the wire harness are convenient to assemble, and the assembly efficiency of the whole vehicle is improved.

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 (10)

1. The utility model provides a pencil mount, includes base (1), and locates clamping body (2) on base (1), its characterized in that:

a pre-installation structure and a fastening structure are arranged between the base (1) and the clamping body (2);

the preassembly structure is used for positioning and assembling the clamping body (2) on the base (1);

the fastening structure is used for fixedly connecting the clamping body (2) and the base (1).

2. The wire harness holder according to claim 1, wherein:

the preassembly structure comprises a positioning cavity (102) arranged on the base (1) and a positioning bulge (202) arranged on the clamping body (2);

the positioning bulge (202) is inserted into the positioning cavity (102).

3. The wire harness holder according to claim 2, wherein:

the fastening structure comprises a fastening piece (4) and a threaded hole (101) formed in the bottom of the positioning cavity (102);

the fastener (4) penetrates through the positioning protrusion (202) and is screwed in the screwing hole (101).

4. The wire harness holder according to claim 1, wherein:

the preassembly structure comprises a clamping structure arranged between the base (1) and the clamping body (2).

5. The wire harness holder according to claim 4, wherein:

the clamping structure comprises bayonets (204) arranged at two ends of the clamping body (2) and clamping blocks (104) arranged on the base (1) corresponding to the bayonets (204).

6. The wire harness holder according to any one of claims 1 to 5, wherein:

a plurality of concave lower clamping parts (100) are arranged on the base (1) at intervals, and a plurality of concave upper clamping parts (200) are arranged on the clamping body (2);

the lower clamping parts (100) and the upper clamping parts (200) are arranged in a one-to-one correspondence manner; and the corresponding lower clamping part (100) and the upper clamping part (200) surround to form a circuit fixing hole (6).

7. The wire harness holder according to claim 6, wherein:

and a protection pad (3) is arranged in the circuit fixing hole (6).

8. The wire harness holder according to claim 7, wherein:

the protection pad (3) comprises a lower protection pad (31) and an upper protection pad (32);

the lower pad (31) and the upper pad (32) are respectively arranged in the lower clamping part (100) and the upper clamping part (200).

9. The wire harness holder according to claim 8, wherein:

clamping holes (30) are formed in the bottoms of the lower clamping part (100) and the upper clamping part (200);

the lower protection pad (31) and the upper protection pad (32) are respectively provided with a clamping head (300);

the clamping heads (300) are clamped in the corresponding clamping holes (30).

10. The wire harness holder according to claim 6, wherein:

the same side of each lower clamping part (100) is respectively provided with a guide part (11);

each guide part (11) is provided with a plurality of line guide grooves (110).

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