Variable-diameter row clamp for wire harness

Abstract

The utility model belongs to the technical field of airplane EWIS (aviation electrical interconnection) product design, in particular to a variable-diameter row clamp for a wire harness, which is characterized in that a lower clamp assembly and an upper clamp assembly are jointly positioned below a bracket and are mounted on an onboard structure together with the bracket; the two sides of the double-ring clamping hoop assembly in the lower clamping hoop assembly are connected with the single-ring lower clamping hoop assembly through I-shaped base bolts correspondingly, and the two sides of the double-ring clamping hoop assembly in the upper clamping hoop assembly are connected with the single-ring upper clamping hoop assembly through I-shaped base linings correspondingly. Hoop spaces for containing wire harnesses are formed between the double-ring hoop assemblies in the upper hoop assembly and the lower hoop assembly and between the single-ring lower hoop assembly and the single-ring upper hoop assembly. The upper clamp assembly and the lower clamp assembly are assembled by inserting the I-shaped base bolts into the I-shaped base linings, and the I-shaped base bolts are in threaded connection with self-locking nuts for adjusting the space size of the clamps. The diameter of the clamp space can be adjusted according to the diameter of the wire harness, the wire harness is clamped, and the wire harness clamp is suitable for wire harnesses with various wire diameters.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the aircraft EWIS (aviation electrical interconnection) product design technical field, concretely is a kind of variable diameter row clamp hoop for wiring harness. BACKGROUND

[0002] Due to the limited space on the aircraft, and in some positions need multi-way wiring harness parallel laying, using multiple single-channel clamp to fix wiring harness is prone to cause insufficient space or installation inconvenience and other problems, so usually adopt row clamp hoop structure to fix multi-channel parallel wiring harness. Figure 1 As shown in the drawings, the existing row clamp hoop structure is to install the upper and lower two clamps 17 on the support 3 by two long bolts 18, to realize the installation and fixation of redundant wiring harness. The existing row clamp hoop structure has fixed diameter of each channel, cannot adjust the diameter to clamp wiring harness during installation process, needs to change the installation diameter of wiring harness by winding adhesive tape and other ways to adapt to the channel on the row clamp hoop, so the existing row clamp hoop structure is prone to wiring harness clamping difficulty, and when the diameter of wiring harness changes due to some reasons, the row clamp hoop is not applicable. UTILITY MODEL CONTENTS

[0003] In order to solve the problem that the diameter of the existing row clamp hoop channel cannot be adjusted and the wiring harness is difficult to clamp, the purpose of the utility model is to provide a variable diameter row clamp hoop for wiring harness. The variable diameter row clamp hoop realizes clamping wiring harness by adjusting the diameter during installation process, effectively prevents wiring harness from moving, and can be applicable to wiring harness of various diameters, effectively improves the generalization degree of row clamp hoop.

[0004] The utility model aims to realize the following technical scheme:

[0005] The utility model discloses a bracket still includes lower clamp assembly, upper clamp assembly and self locking nut, wherein lower clamp assembly is connected with upper clamp assembly, and is located below the bracket together, and is fixed with the bracket and installs on the machine structure, lower clamp assembly includes single ring lower clamp assembly and at least one double ring clamp assembly, upper clamp assembly includes single ring upper clamp assembly and at least one double ring clamp assembly, when the double ring clamp assembly is one, the both sides of double ring clamp assembly are connected with single ring lower clamp assembly through the work type base bolt respectively or are connected with single ring upper clamp assembly through the work type base bush respectively, when the double ring clamp assembly is multiple, each double ring clamp assembly is connected in proper order through the work type base bolt or the work type base bush, and the outermost two double ring clamp assemblies are connected single ring lower clamp assembly or single ring upper clamp assembly respectively, the double ring clamp assembly in lower clamp assembly and upper clamp assembly is same in quantity, and one-to-one correspondence, and the clamp space of accommodating wire harness is formed between the corresponding upper and lower double ring clamp assemblies, the single ring lower clamp assembly and single ring upper clamp assembly are same in quantity, and one-to-one correspondence, and the clamp space of accommodating wire harness is formed between the corresponding single ring lower clamp assembly and single ring upper clamp assembly, lower clamp assembly and upper clamp assembly are assembled by inserting the work type base bolt into the work type base bush, and the work type base bolt is screwed on the work type base bush, and the self locking nut of adjusting clamp space size is connected.

[0006] Wherein: the single ring lower clamp assembly includes single ring lower clamp and arch gasket, the middle of single ring lower clamp is arc, one side of arc is annular structure for connecting with work type base bolt, the other side of arc is connected with the bracket, the arch gasket is fixedly connected on the side of single ring lower clamp contacting with wire harness.

[0007] The double ring clamp assembly includes double ring clamp and arch gasket, the middle of double ring clamp is arc, and both sides of arc are annular structures for connecting with work type base bolt or work type base bush, and the arch gasket is fixedly connected on the side of double ring clamp contacting with wire harness.

[0008] The single ring upper clamp assembly includes single ring upper clamp and arch gasket, the middle of single ring upper clamp is arc, one side of arc is annular structure for connecting with work type base bush, and the other side of arc is provided with circular recess, and the arch gasket is fixedly connected on the side of single ring upper clamp contacting with wire harness.

[0009] The circular recess is circular as a whole, and the inside of the circular recess is provided with recessed steps.

[0010] The upper clamp assembly is respectively screwed with compression bolts on the corresponding brackets on both sides, one end of the compression bolt is used for hand screwing, and the other end of the compression bolt abuts against the single ring upper clamp assembly in the upper clamp assembly.

[0011] The lower part of the I-shaped base bolt is an I-shaped base, the upper part of the I-shaped base bolt is a bolt, and the two horizontal edges of the I-shaped base are connected with adjacent single-ring lower clamp assembly and double-ring clamp assembly respectively or connected with adjacent two double-ring clamp assemblies respectively.

[0012] The lower part of the I-shaped base bushing is an I-shaped base, the upper part of the I-shaped base bushing is a hollow cylinder, and the two horizontal edges of the I-shaped base are connected with adjacent single-ring upper clamp assembly and double-ring clamp assembly respectively or connected with adjacent two double-ring clamp assemblies respectively.

[0013] The utility model discloses the advantages and positive effects are:

[0014] The utility model provides a novel row clamp structure, compared with the existing row clamp structure, has the advantage that the size of clamp space diameter can be adjusted according to the diameter of wire harness, clamps wire harness, is suitable for a variety of wire diameter's wire harness, can be directly installed on the structure or other equipment structure, mechanical structure is simple, the existing row clamp product's deficiency is solved, and a new scheme is provided for the fixation of redundant degree wire harness. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural diagram of the existing row clamp;

[0016] Figure 2 It is the overall structure schematic view of the utility model;

[0017] Figure 3 It is the structural diagram of lower clamp assembly of the utility model;

[0018] Figure 4 It is the structural diagram of upper clamp assembly of the utility model;

[0019] Figure 5 It is Figure 3 The structural diagram of single-ring lower clamp assembly in the middle;

[0020] Figure 6 It is Figure 3 , Figure 4 The structural diagram of double-ring clamp assembly in the middle;

[0021] Figure 7 It is Figure 4 The structural diagram of single-ring upper clamp assembly in the middle;

[0022] Wherein: 1 is the lower clamp assembly, 2 is the upper clamp assembly, 3 is the bracket, 4 is the self-locking nut, 5 is the clamping bolt, 6 is the nut, 7 is the bolt, 8 is the single-ring lower clamp assembly, 9 is the double-ring clamp assembly, 10 is the I-shaped base bolt, 11 is the single-ring upper clamp assembly, 12 is the I-shaped base bushing, 13 is the arched washer, 14 is the single-ring lower clamp, 15 is the double-ring clamp, 16 is the single-ring upper clamp, 17 is the clamp, 18 is the long bolt, and 19 is the circular annular recess. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings.

[0024] like Figures 2 to 4 As shown, this utility model includes a lower clamp assembly 1, an upper clamp assembly 2, a bracket 3, and a self-locking nut 4. The lower clamp assembly 1 is connected to the upper clamp assembly 2 and is located below the bracket 3. Together with the bracket 3, they are fixed to the machine structure by nuts 6 and bolts 7.

[0025] The lower clamp assembly 1 includes a single-ring lower clamp assembly 8 and at least one double-ring clamp assembly 9. When there is one double-ring clamp assembly 9, both sides of the double-ring clamp assembly 9 are connected to the single-ring lower clamp assembly 8 by I-shaped base bolts 10. When there are multiple double-ring clamp assemblies 9, each double-ring clamp assembly 9 is connected sequentially by I-shaped base bolts 10, and the two outermost double-ring clamp assemblies 9 are respectively connected to the single-ring lower clamp assembly 8. In this embodiment, the lower clamp assembly 1 includes one double-ring clamp assembly 9 and two single-ring lower clamp assemblies 8, and each side of the double-ring clamp assembly 9 is connected to the single-ring lower clamp assembly 8 by an I-shaped base bolt 10.

[0026] The upper clamp assembly 2 includes a single-ring upper clamp assembly 11 and at least one double-ring clamp assembly 9. When there is one double-ring clamp assembly 9, both sides of the double-ring clamp assembly 9 are connected to the single-ring upper clamp assembly 11 through I-shaped base bushings 12. When there are multiple double-ring clamp assemblies 9, each double-ring clamp assembly 9 is connected sequentially through I-shaped base bushings 12, and the two outermost double-ring clamp assemblies 9 are respectively connected to the single-ring upper clamp assembly 11. In this embodiment, the upper clamp assembly 2 includes one double-ring clamp assembly 9 and two single-ring upper clamp assemblies 11, and each side of the double-ring clamp assembly 9 is connected to the single-ring upper clamp assembly 11 through an I-shaped base bushing 12.

[0027] The number of double-ring clamp assemblies 9 in the lower clamp assembly 1 and the upper clamp assembly 2 is the same and one-to-one correspondence, and the corresponding upper and lower double-ring clamp assemblies 9 form a clamp space for accommodating the wire harness. The number of single-ring lower clamp assemblies 8 and single-ring upper clamp assemblies 11 is the same and one-to-one correspondence, and the corresponding single-ring lower clamp assemblies 8 and single-ring upper clamp assemblies 11 form a clamp space for accommodating the wire harness. The lower clamp assembly 1 and the upper clamp assembly 2 are assembled by inserting the I-shaped base bolt 10 into the I-shaped base bushing 12. The I-shaped base bolt 10 passing through the I-shaped base bushing 12 is threadedly connected with a self-locking nut 4 for adjusting the size of the clamp space. The bracket 3 is installed above the lower clamp assembly 1 and the upper clamp assembly 2. The self-locking nut 4 is threadedly connected to the I-shaped base bolt 10. The height of the upper clamp assembly 2 is adjusted by adjusting the self-locking nut 4, so as to change the diameter of the clamp space.

[0028] As shown in Figures 2 to 5 , the single-ring lower clamp assembly 8 of the embodiment includes a single-ring lower clamp 14 and an arch-shaped gasket 13. The middle of the single-ring lower clamp 14 is a circular arc. One side of the circular arc is a ring structure for connecting with the I-shaped base bolt 10. The other side of the circular arc is in a stepped shape and is connected with the bracket 3 by a nut 6 and a bolt 7. One end of the arch-shaped gasket 13 is fixed to the side of the single-ring lower clamp 14 in contact with the wire harness by spot welding process. The other end of the arch-shaped gasket 13 extends from the circular arc in the middle of the single-ring lower clamp 14.

[0029] As shown in Figures 2 to 4 and Figure 6 , the double-ring clamp assembly 9 of the embodiment includes a double-ring clamp 15 and an arch-shaped gasket 13. The middle of the double-ring clamp 15 is a circular arc. Both sides of the circular arc are ring structures for connecting with the I-shaped base bolt 10 or the I-shaped base bushing 12. The arch-shaped gasket 13 is fixed to the side of the double-ring clamp 15 in contact with the wire harness. The other end of the arch-shaped gasket 13 extends from the circular arc in the middle of the double-ring clamp 15.

[0030] As shown in Figures 2 to 4 and Figure 7 , the single-ring upper clamp assembly 11 of the embodiment includes a single-ring upper clamp 16 and an arch-shaped gasket 13. The middle of the single-ring upper clamp 16 is a circular arc. One side of the circular arc is a ring structure for connecting with the I-shaped base bushing 12. The other side of the circular arc is provided with a circular annular recess 19. One end of the arch-shaped gasket 13 is fixed to the side of the single-ring upper clamp 16 in contact with the wire harness by spot welding process. The other end of the arch-shaped gasket 13 extends from the circular arc in the middle of the single-ring upper clamp 16. The circular annular recess 19 of the embodiment is in a circular annular shape as a whole. The inside of the circular ring is provided with a recessed step.

[0031] The upper clamping assembly 2 is provided with a pressing bolt 5 on each of the two corresponding supports 3, one end of the pressing bolt 5 is used for hand screwing, and the other end of the pressing bolt 5 is tightly pressed in the stepped position in the circular recess 19 on the single-ring upper clamping assembly 16. The single-ring upper clamping assembly 16 forms a mutual force, and cooperates with the self-locking nut 4 to adjust the height of the upper clamping assembly 2 and change the size of the clamping space diameter.

[0032] As shown in 2-4, the lower part of the I-shaped base bolt 10 is an I-shaped base, and the upper part of the I-shaped base bolt 10 is a bolt. The two horizontal edges of the I-shaped base are connected with the adjacent single-ring lower clamping assembly 8 and double-ring clamping assembly 9 respectively or connected with the adjacent two double-ring clamping assemblies 9 respectively.

[0033] As shown in 2-4, the lower part of the I-shaped base bushing 12 is an I-shaped base, and the upper part of the I-shaped base bushing 12 is a hollow cylinder. The two horizontal edges of the I-shaped base are connected with the adjacent single-ring upper clamping assembly 11 and double-ring clamping assembly 9 respectively or connected with the adjacent two double-ring clamping assemblies 9 respectively.

[0034] The installation process of the utility model is as follows:

[0035] The wire harness is placed in the arc-shaped position of the lower clamping assembly 1, and then the upper clamping assembly 2 is installed. The support 3 is placed above the lower clamping assembly 1 and the upper clamping assembly 2, and is directly fixed to the machine structure or other structural members together with the lower clamping assembly 1 and the upper clamping assembly 2 through the nut 6 and the bolt 7, without the need for other supporting structures and without interference with the machine structure. According to the size of the wire harness diameter, the self-locking nut 4 and the pressing bolt 5 are adjusted, and the upper clamping assembly 2 is pressed downward to achieve the purpose of clamping the wire harness and effectively preventing the wire harness from moving. It can be applied to wire harnesses of various diameters, and effectively improves the generalization degree of the clamping assembly.

[0036] The above is only one specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the technical field can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model.

Claims

1. A variable diameter cable tie, comprising a bracket (3), characterized in that: Also include lower clamp assembly (1), upper clamp assembly (2) and self-locking nut (4), wherein the lower clamp assembly (1) and upper clamp assembly (2) are connected, and are located below the bracket (3) together, and are fixed with the bracket (3) installed on the machine structure; The lower clamp assembly (1) includes a single ring lower clamp assembly (8) and at least one double ring clamp assembly (9), the upper clamp assembly (2) includes a single ring upper clamp assembly (11) and at least one double ring clamp assembly (9), when the double ring clamp assembly (9) is one, the two sides of the double ring clamp assembly (9) are connected with the single ring lower clamp assembly (8) through the I-shaped base bolt (10) or are connected with the single ring upper clamp assembly (11) through the I-shaped base bushing (12); When the double ring clamp assembly (9) is multiple, each double ring clamp assembly (9) is sequentially connected through the I-shaped base bolt (10) or the I-shaped base bushing (12), the outermost two double ring clamp assemblies (9) are connected with the single ring lower clamp assembly (8) or the single ring upper clamp assembly (11) respectively; The number of double ring clamp assemblies (9) in the lower clamp assembly (1) and the upper clamp assembly (2) is the same, one-to-one correspondence, the corresponding upper and lower double ring clamp assemblies (9) form a clamp space accommodating wire harness; The number of single ring lower clamp assemblies (8) and single ring upper clamp assemblies (11) is the same, one-to-one correspondence, the corresponding single ring lower clamp assembly (8) and single ring upper clamp assembly (11) form a clamp space accommodating wire harness; The lower clamp assembly (1) and the upper clamp assembly (2) are assembled by inserting the I-shaped base bolt (10) into the I-shaped base bushing (12), and the I-shaped base bolt (10) threaded through the I-shaped base bushing (12) is connected with the self-locking nut (4) adjusting the size of the clamp space.

2. The variable diameter wire harness routing clip of claim 1, wherein: The single ring lower clamp assembly (8) includes a single ring lower clamp (14) and an arch-shaped gasket (13), the middle of the single ring lower clamp (14) is a circular arc, one side of the circular arc is a ring structure for connecting with the I-shaped base bolt (10), and the other side of the circular arc is connected with the bracket (3); The arch-shaped gasket (13) is fixedly connected to one side of the single ring lower clamp (14) in contact with the wire harness.

3. The variable diameter wire harness routing clip of claim 1, wherein: The double ring clamp assembly (9) includes a double ring clamp (15) and an arch-shaped gasket (13), the middle of the double ring clamp (15) is a circular arc, and both sides of the circular arc are ring structures for connecting with the I-shaped base bolt (10) or the I-shaped base bushing (12); The arch-shaped gasket (13) is fixedly connected to one side of the double ring clamp (15) in contact with the wire harness.

4. The variable diameter wire harness routing clip of claim 1, wherein: The single ring upper clamp assembly (11) includes a single ring upper clamp (16) and an arch-shaped gasket (13), the middle of the single ring upper clamp (16) is a circular arc, one side of the circular arc is a ring structure for connecting with the I-shaped base bushing (12), and the other side of the circular arc is provided with a circular recess (19); The arch-shaped gasket (13) is fixedly connected to one side of the single ring upper clamp (16) in contact with the wire harness.

5. The variable diameter wire harness routing clip of claim 4, wherein: The annular concave platform (19) is annular as a whole, and the inside of the annular ring is provided with a recessed step.

6. The variable diameter wire harness routing clip of claim 1, wherein: Corresponding supports (3) on both sides of the upper clamp assembly (2) are respectively threadedly connected with compression bolts (5), one end of the compression bolt (5) is used for hand screwing, and the other end of the compression bolt (5) abuts against the single-ring upper clamp assembly (11) in the upper clamp assembly (2).

7. The variable diameter wire harness routing clip of claim 1, wherein: The lower part of the I-shaped base bolt (10) is an I-shaped base, the upper part of the I-shaped base bolt (10) is a bolt, and the two horizontal edges of the I-shaped base are respectively connected with adjacent single-ring lower clamp assemblies (8) and double-ring clamp assemblies (9) or are respectively connected with adjacent double-ring clamp assemblies (9).

8. The variable diameter wire harness routing clip of claim 1, wherein: The lower part of the I-shaped base bushing (12) is an I-shaped base, the upper part of the I-shaped base bushing (12) is a hollow cylinder, and the two horizontal edges of the I-shaped base are respectively connected with adjacent single-ring upper clamp assemblies (11) and double-ring clamp assemblies (9) or are respectively connected with adjacent double-ring clamp assemblies (9).

Images