CN222441269U

CN222441269U - Misplacement fir tree type fastener structure

Info

Publication number: CN222441269U
Application number: CN202421067025.9U
Authority: CN
Inventors: 黄华; 周乐怡; 李冠华
Original assignee: Jiangsu Yongsheng Electric Co ltd
Current assignee: Jiangsu Yongsheng Electric Co ltd
Priority date: 2024-05-16
Filing date: 2024-05-16
Publication date: 2025-02-07
Anticipated expiration: 2034-05-16

Abstract

The application relates to a staggered fir-tree type fastener structure, which relates to the technical field of wire harness fixation and aims to solve the problem of high installation difficulty of a traditional fastener, and the staggered fir-tree type fastener structure comprises a binding belt part and a back-off part, wherein the back-off part is connected to the top of the binding belt part, the back-off part is in a fir-tree structure, a plurality of back-off units are arranged on the back-off part, the back-off units are staggered along the central axis direction of the back-off part, be provided with coupling assembling between ribbon portion and the back-off portion, coupling assembling includes dustproof disc and connecting block, dustproof disc arranges in the one end that the back-off portion is close to ribbon portion, dustproof disc is umbrella-shaped structure, the one end at dustproof disc is connected to the back-off portion, the other end at dustproof disc is connected to the connecting block, ribbon portion connects on the connecting block. The application has the effects of reducing the insertion force and being easier to install.

Description

Misplacement fir tree type fastener structure

Technical Field

The application relates to the technical field of wire harness fixation, in particular to a staggered fir-tree type fastener structure.

Background

In the automobile industry, the fixing of the wire harness is a crucial technology, the wire harness is used as a core component of an electric system in an automobile, the trend, the fixing position and the stability of the wire harness are directly related to the safety and the functionality of the automobile, so that the fixing direction of the wire harness of the automobile becomes a serious problem, the correct fixing direction can ensure the fastening effect and the fixing performance of the wire harness, the interference and the damage of the wire harness and peripheral parts are prevented, and noise generated by the back and forth movement of the wire harness is prevented, and in practical application, the horizontal direction, the vertical direction, the oblique direction and the ribbon in the circulation and the cross direction are widely applied to the fixing of the wire harness of the automobile.

In the related art, the existing automobile wire harness fixing technology has achieved a certain result, but has some problems in practical application, for example, some traditional fastener structures may require a large insertion force when fixing the wire harness, which not only increases the installation difficulty, but also may cause damage to the wire harness or the fastener itself, so that the improvement is needed.

Disclosure of utility model

In order to solve the problem of high installation difficulty of the traditional fastener, the application provides a staggered fir-tree type fastener structure.

The application provides a dislocated fir tree type fastener structure, which adopts the following technical scheme:

the utility model provides a dislocation fir tree fastener structure, includes ribbon portion and back-off portion, back-off portion connects in the bottom of ribbon portion, back-off portion is fir tree structure, be provided with a plurality of back-off units in the back-off portion, a plurality of back-off units are dislocation arrangement along the center pin direction of back-off portion, be provided with coupling assembling between ribbon portion and the back-off portion, coupling assembling includes dustproof disc and connecting block, dustproof disc arranges in the one end that the back-off portion is close to ribbon portion, dustproof disc is umbrella-shaped structure, the one end at dustproof disc is connected to the back-off portion, the other end at dustproof disc is connected to the connecting block, ribbon portion connects on the connecting block.

By adopting the technical scheme, the wire harness fixing device comprises a binding belt part and a back-off part, a plurality of back-off units are integrally formed on the back-off part, the back-off units are arranged on the back-off part in a staggered mode, meanwhile, a connecting component is arranged between the binding belt part and the back-off part, the connecting component comprises a dustproof disc and a connecting block, when the wire harness is required to be fixed, the binding belt part is firstly placed at a proper position, then the back-off part is aligned and pressed into a preset hole or a fixed point in a certain mode (possibly by finger pushing or other mounting tools), the back-off units are arranged in a staggered mode, the insertion force is reduced, the back-off parts are in a fir tree structure, the friction force between the fasteners and the fixed point is increased, the fasteners are more difficult to be pulled out, the back-off units are arranged through the back-off parts, the back-off units and the connecting component and the like, the friction force between the fasteners and the fasteners is increased, the back-off units are more difficult to be pulled out, the back-off units are designed to be more easily, the dust is prevented from being easily arranged in the fixed mode, the dust is easy to be prevented from being damaged, and the dust is easy to enter the fixed position, and the dust is more stable to be prevented from being easily arranged in the fixed position, and the fixing point is easy to be connected with the fixed, and the dust is easy to be prevented from being damaged, and can be easily arranged in the fixed to the fixed position, and the fixing point.

Optionally, an end of the back-off portion is provided with a tip unit for facilitating insertion, and the tip unit is disposed at an end of the back-off portion away from the ribbon portion.

By adopting the technical scheme, the tip unit is integrally formed on the back-off part, and the design of the tip unit enables the back-off part to have better guidance when in insertion due to the arrangement of the tip unit, and the tip unit can more easily pass through the hole or the fixed point due to the fact that the tip unit is relatively thin, so that the difficulty of insertion is reduced.

Optionally, an adjusting notch for improving the anti-rotation capability is formed in the back-off portion, and the adjusting notch is formed along the length direction of the back-off portion.

Through the technical scheme, the adjusting notch is formed in the back-off part, the anti-rotation capability of the back-off part under the action of external force is improved by adjusting the notch, the risk of loosening or falling of the fastener can be effectively reduced in some application scenes needing to bear torsion or rotation force, meanwhile, the back-off part is enabled to have certain elasticity by adjusting the notch, the back-off part is inserted into or pulled out of a fixed point more easily when the fastener is installed or detached, and the convenience of installation and detachment is improved.

Optionally, ribbon portion includes tie head and ribbon body, the tie head is arranged in one side of connecting block, it passes the spread groove to run through on the connecting block to set up the confession ribbon body, last the running through of tie is seted up logical groove, the one end of ribbon body is connected on the ribbon is overhead, the other end of ribbon body passes spread groove inner wall and logical inslot wall in proper order, a plurality of locking grooves have been seted up along length direction to the ribbon body, be provided with in the logical inslot of tie head and be used for with locking groove inner wall complex locking piece.

Through the technical scheme, when the wire harness is required to be fixed, the wire harness is placed at the position required to be fixed, the unconnected end of the wire harness body penetrates through the connecting groove and the through groove until the tail end of the wire harness body is exposed, the unconnected end of the wire harness body is pulled to be tightly fastened and surrounds the wire harness, at the moment, the unconnected end of the wire harness body is pulled to the position of the locking block, the locking block is matched with the inner wall of one locking groove so as to fix the position of the wire harness, the wire harness is conveniently fixed through the arrangement of the wire harness head and the wire harness body, no additional tools or complicated operation steps are required, convenience for fixing the wire harness is greatly improved, fixing reliability is guaranteed, the wire harness cannot be loosened or shed when the wire harness is subjected to external force, meanwhile, the length of the wire harness body can be adjusted according to requirements, and the practicability is good.

Optionally, one end of the binding head is provided with a protruding portion, and a concave groove for fixing the protruding portion is formed in one side of the connecting block.

Through the technical scheme, the protruding part is integrally formed on the ribbon head, the connecting block is provided with the concave groove, the protruding part is matched with the inner wall of the concave groove, and through the arrangement of the protruding part and the concave groove, the accurate position of the ribbon head is ensured, the installation process is simplified, and the installation stability is improved.

Optionally, be provided with the plane portion of the pencil that is used for supporting on the connecting block, the plane portion is connected in the connecting block one end of keeping away from dustproof disc.

Through the arrangement of the plane parts, the wire harness can be stably placed on the plane parts, so that the possibility of shaking or moving of the wire harness is reduced, the wire harness is kept tidy, a certain protection effect can be provided for the wire harness, and the service life of the wire harness is prolonged.

Optionally, a through hole is formed in the plane part of the connecting block in a penetrating manner, and the inner wall of the through hole is communicated with the inner wall of the connecting groove.

Through the arrangement of the through holes, the possibility that the ribbon body is blocked when passing through the connecting groove can be reduced, and the ribbon body can be stirred to realize more flexible operation.

Optionally, be provided with the trapezoidal gusset that is used for reinforcing structural strength between back-off portion and the dustproof disc, trapezoidal gusset connects between back-off portion and dustproof disc.

Through the arrangement of the trapezoid rib plates, the integral rigidity and strength of the structure can be increased, stress is effectively dispersed, the structure is prevented from being broken or damaged in a stress concentration area, larger external force and pressure can be borne, and the service life and safety of products are improved.

In summary, the present application includes at least one of the following beneficial technical effects:

Through setting up of back-off part, back-off unit and coupling assembling etc., the fir tree structure of back-off part has increased the frictional force between fastener and the fixed point for the fastener is harder to be pulled out, thereby has improved the stability of fixed, and the design of back-off unit dislocation arrangement helps reducing the insertion force, makes the installation of fastener easier, has also reduced the potential damage to pencil or fastener itself simultaneously, and dustproof disc and the connecting block in the coupling assembling have played reinforcing connection and dustproof effect simultaneously, can prevent effectively that dust or debris from getting into the clearance between fastener and the fixed point, thereby keep the long-term stability and the reliability of fastener;

through the arrangement of the tip unit, the design of the tip unit enables the back-off part to have better guidance when in insertion, and the tip unit can more easily pass through the hole or the fixed point due to the relatively thin tip unit, so that the difficulty of insertion is reduced;

Through the setting of tie head and ribbon body, help conveniently fixing the pencil, do not need extra instrument or complicated operating procedure, improved the convenience of fixed pencil greatly, it is fixed reliable, can not become flexible or drop when guaranteeing that the pencil receives the external force effect, the length of ribbon body can be adjusted as required simultaneously, and the practicality is good, can satisfy various fixed demands.

Drawings

FIG. 1 is a schematic illustration of a malposition fir tree fastener structure in accordance with an embodiment of the application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic view of a construction for embodying a strap portion in an embodiment of the present application.

Fig. 4 is a schematic structural view of an inverted buckle portion according to an embodiment of the present application.

The reference numerals are 1, a ribbon part, 2, a back-off part, 21, a back-off unit, 22, a tip unit, 23, an adjusting notch, 3, a connecting component, 4, a dustproof disc, 5, a connecting block, 51, a connecting groove, 52, a concave groove, 53, a plane part, 54, a through hole, 6, a ribbon head, 61, a through groove, 62, a locking block, 63, a protruding part, 7, a ribbon body, 71, a locking groove, 8 and a trapezoid rib plate.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a malposition fir-tree type fastener structure. Referring to fig. 1, the malposition fir tree type fastener structure includes a ribbon portion 1 and a back-off portion 2, the ribbon portion 1 is mounted on top of the back-off portion 2, the ribbon portion 1 is used for fixing a wire harness in this embodiment, the back-off portion 2 is used for being pressed into a predetermined hole or fixing point, and a connecting assembly 3 is mounted between the ribbon portion 1 and the back-off portion 2.

Referring to fig. 1, the connection assembly 3 includes a dustproof disc 4 and a connection block 5, in this embodiment, the dustproof disc 4 has an umbrella-shaped structure, the dustproof disc 4 has a dustproof effect, dust or sundries can be effectively prevented from entering a gap between a fastener and a fixing point, the back-off part 2 is mounted at the bottom of the dustproof disc 4, and the connection block 5 is mounted and fixed at the top of the dustproof disc 4.

Referring to fig. 1 and 3, the band portion 1 includes a band head 6 and a band body 7, the band head 6 is mounted on one side of the connection block 5, the connection block 5 is provided with a connection groove 51 in a penetrating manner, the band head 6 is provided with a through groove 61 in a penetrating manner, one end of the band body 7 is mounted and fixed on the band head 6, and the other end of the band body 7 sequentially penetrates through the connection groove 51 and the inner wall of the through groove 61.

Referring to fig. 1 and 3, a plurality of locking grooves 71 are formed in the ribbon body 7 in a penetrating manner, the locking grooves 71 are formed in sequence along the length direction of the ribbon body 7, locking blocks 62 are arranged in the through grooves 61 of the ribbon head 6, a wire harness is placed at a position to be fixed, the unconnected end of the ribbon body 7 penetrates through the connecting grooves 51 and the through grooves 61 until the tail end of the wire harness is exposed, the unconnected end of the ribbon body 7 is pulled to enable the unconnected end of the ribbon body 7 to be tightly stretched and surround the wire harness, at the moment, the unconnected end of the ribbon body 7 is pulled to the position of the locking blocks 62, the locking blocks 62 are matched with the inner wall of one of the locking grooves 71, so that the position of the ribbon is fixed, the wire harness is guaranteed not to loosen or fall off when the wire harness is subjected to external force, meanwhile, the length of the ribbon body 7 can be adjusted according to requirements, and the practicability is good.

Referring to fig. 2, one end of the tie head 6 is integrally formed with a protruding portion 63, one side of the connecting block 5 is provided with a concave groove 52, in this embodiment, the protruding portion 63 is adapted to the inner wall of the concave groove 52, so that the position of the tie head 6 is ensured to be accurate, the installation process is simplified, and the installation stability is improved.

Referring to fig. 3, the top of the connection block 5 is integrally formed with a planar portion 53, the planar portion 53 is in a disc-shaped structure, and the planar portion 53 is designed to enable the wire harness to be stably placed thereon, so that the possibility of shaking or moving the wire harness is reduced, the wire harness is kept tidy, a certain protection effect can be provided for the wire harness, and the service life of the wire harness is prolonged.

Referring to fig. 3, the flat portion 53 of the connection block 5 is provided with a through hole 54, the inner wall of the through hole 54 is communicated with the inner wall of the connection groove 51, in the case of fixing the band, the possibility of the band body 7 getting stuck when passing through the connection groove 51 can be reduced, and the band body 7 can be shifted to achieve more flexible operation.

Referring to fig. 4, trapezoid rib plates 8 are fixedly installed between the back-off part 2 and the dustproof disc 4, the number of the trapezoid rib plates 8 is multiple groups, so that the overall rigidity and strength of the structure can be increased, stress is effectively dispersed, the structure is prevented from being broken or damaged in a stress concentration area, larger external force and pressure can be borne, and the service life and safety of the product are improved.

Referring to fig. 4, a plurality of back-off units 21 are integrally formed on the outer wall of the back-off part 2, the back-off units 21 are arranged in a staggered manner along the central axis direction of the back-off part 2, in this embodiment, the back-off part 2 forms a fir tree structure, one end of the back-off part 2, which is far away from the dust-proof disc 4, is integrally formed with a tip unit 22, the fir tree structure of the back-off part 2 increases the friction between the fastener and the fixed point, and is beneficial to reducing the insertion force, so that the fastener is easier to install, and the potential damage to the wire harness or the fastener itself is reduced.

Referring to fig. 4, an adjusting notch 23 is formed on the back-off portion 2, the adjusting notch 23 is formed along the length direction of the back-off portion 2, in this embodiment, the back-off unit 21 presents a corresponding notch for improving the anti-rotation capability of the back-off portion 2 when receiving external force, in some application scenarios that need to bear torsion or rotation force, the risk of loosening or falling off of the fastener can be effectively reduced, meanwhile, the adjusting notch 23 enables the back-off portion 2 to have a certain elasticity, and the back-off portion 2 is more easily inserted into or pulled out of a fixed point when installing or detaching the fastener, thereby improving the convenience of installation and detachment.

The embodiment of the application provides a malposition fir tree type fastener structure, which is implemented by firstly placing a ribbon part 1 at a proper position when a wire harness needs to be fixed, then aligning and pressing a back-off part 2 into a preset hole or a fixed point in a certain way (possibly finger pushing or other installation tools), placing the wire harness at the position needing to be fixed, enabling the unconnected end of the ribbon body 7 to pass through a connecting groove 51 and a through groove 61 until the tail end of the wire harness is exposed, pulling the unconnected end of the ribbon body 7 to tighten and surround the wire harness, at the moment, pulling the unconnected end of the ribbon body 7 to the position of a locking block 62, wherein the locking block 62 is matched with the inner wall of one of the locking grooves 71 so as to fix the position of the wire harness, and through setting the back-off part 2, the back-off unit 21, the connecting assembly 3 and the like, the friction force between the fastener and the fixed point is increased by the back-off part 2, so that the fastener is more difficult to be pulled out, thereby improving the stability of the fixing, the design of the malposition of the back-off unit 21 is helpful for reducing the inserting force, enabling the installation of the malposition fastener to be easier, and simultaneously reducing the potential damage to the fastener or the connecting mechanism itself, and the dust-proof function between the wire harness and the connecting assembly 4 and the dust-proof device can be effectively prevented from entering the fixed point and the dust-proof assembly and the dust-proof device.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims

1. The utility model provides a dislocation fir tree fastener structure, includes ribbon portion (1) and back-off portion (2), back-off portion (2) connect in the bottom of ribbon portion (1), back-off portion (2) are fir tree structure, be provided with a plurality of back-off unit (21) on back-off portion (2), a plurality of back-off unit (21) are dislocation arrangement along the center pin direction of back-off portion (2), be provided with coupling assembling (3) between ribbon portion (1) and back-off portion (2), coupling assembling (3) include dustproof disc (4) and connecting block (5), dustproof disc (4) are arranged in the one end that back-off portion (2) is close to ribbon portion (1), dustproof disc (4) are umbrella-shaped structure, the one end at dustproof disc (4) is connected to back-off portion (2), connecting block (5) are connected at the other end of dustproof disc (4), ribbon portion (1) are connected on connecting block (5).

2. A malposition fir tree fastener structure according to claim 1, characterized in that the end of the back-off part (2) is provided with a tip unit (22) for facilitating insertion, the tip unit (22) being arranged at the end of the back-off part (2) remote from the tie part (1).

3. The malposition fir tree type fastener structure according to claim 1, characterized in that the back-off part (2) is provided with an adjusting notch (23) for improving anti-rotation capability, and the adjusting notch (23) is arranged along the length direction of the back-off part (2).

4. The malposition fir tree type fastener structure according to claim 1, wherein the ribbon portion (1) comprises a ribbon head (6) and a ribbon body (7), the ribbon head (6) is arranged on one side of a connecting block (5), a ribbon supplying body (7) penetrates through a connecting groove (51) and is arranged on the connecting block (5), a through groove (61) is arranged on the ribbon head (6) in a penetrating mode, one end of the ribbon body (7) is connected to the ribbon head (6), the other end of the ribbon body (7) sequentially penetrates through the inner wall of the connecting groove (51) and the inner wall of the through groove (61), a plurality of locking grooves (71) are formed in the ribbon body (7) along the length direction, and locking blocks (62) matched with the inner wall of the locking grooves (71) are arranged in the through grooves (61) of the ribbon head (6).

5. The malposition fir tree fastener structure according to claim 4, characterized in that a protruding part (63) is arranged at one end of the binding head (6), and a concave groove (52) for fixing the protruding part (63) is formed at one side of the connecting block (5).

6. The malposition fir tree type fastener structure according to claim 4, characterized in that the connecting block (5) is provided with a plane part (53) for supporting a wire harness, and the plane part (53) is connected to one end of the connecting block (5) far away from the dust-proof disc (4).

7. The malposition fir tree type fastener structure according to claim 6, wherein the plane part (53) of the connecting block (5) is provided with a through hole (54) in a penetrating way, and the inner wall of the through hole (54) is communicated with the inner wall of the connecting groove (51).

8. The malposition fir tree type fastener structure according to claim 1, wherein a trapezoid rib plate (8) for enhancing structural strength is arranged between the back-off part (2) and the dustproof disc (4), and the trapezoid rib plate (8) is connected between the back-off part (2) and the dustproof disc (4).