CN213906163U

CN213906163U - Clamping piece and pencil joint structure mould plastics

Info

Publication number: CN213906163U
Application number: CN202022495826.3U
Authority: CN
Inventors: 王超; 尹来
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-06
Anticipated expiration: 2030-11-02

Abstract

The utility model provides an injection molding clamping piece and a wiring harness clamping structure, the injection molding clamping piece comprises a positioning body which is injection molded on a wiring harness, the positioning body is provided with an inner cavity for accommodating the wiring harness, the positioning body is provided with at least one first port and a plurality of second ports, and at least one first port is communicated with the plurality of second ports through the inner cavity; wherein, the surface of location body is formed with at least one first constant head tank of moulding plastics. The utility model discloses a joint spare and pencil joint structure of moulding plastics can effectively seal and fix a position the pencil, and the joint spare of should moulding plastics is difficult damaged and can realize the fixed joint with exterior structure.

Description

Clamping piece and pencil joint structure mould plastics

Technical Field

The utility model relates to a pencil connection technical field especially relates to a joint spare and pencil joint structure of moulding plastics.

Background

At present, the wiring harness branch of most of cars, location department adopt ribbon, sticky tape to tie up fixedly more, tie up the back sealing performance poor, and the setting element slides with wire itself appears easily, and the setting element is fragile, and the inside heart yearn of wiring harness branch point easily receives the torsional force effect when the installation is used, leads to inside heart yearn to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a joint spare of moulding plastics can effectively seal and fix a position the pencil, and the joint spare of should moulding plastics is difficult damaged.

Another object of the present invention is to provide a wire harness clamping structure, which can effectively seal and position the wire harness, and is not easy to be damaged.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an injection molding clamping piece, which comprises a positioning body injection molded on a wire harness, wherein the positioning body is provided with an inner cavity for accommodating the wire harness, the positioning body is provided with at least one first port and a plurality of second ports, and at least one first port is communicated with the plurality of second ports through the inner cavity; wherein, the surface of location body is formed with at least one first constant head tank of moulding plastics.

The utility model discloses an in the embodiment, it is a plurality of the second port is side by side the interval setting, at least one first constant head tank of moulding plastics is located a plurality of that set up side by side at least one side of second port.

The utility model discloses an in the embodiment, be equipped with in the first constant head tank of moulding plastics with a plurality of perforation that the inner chamber is linked together.

The utility model discloses an in the embodiment, the surface of location body is formed with at least one second constant head tank, at least one of moulding plastics the second constant head tank of moulding plastics is close to the second port sets up, just the second constant head tank of moulding plastics with first constant head tank edge of moulding plastics the circumference of location body is just crisscross setting side by side.

The utility model discloses an in the embodiment, first constant head tank of moulding plastics with the constant head tank is a plurality of, a plurality of is moulded plastics to the second first constant head tank and a plurality of moulding plastics the constant head tank is moulded plastics to the second and is followed the central line direction interval of second port sets up.

In an embodiment of the present invention, the outer surface of the positioning body is formed with a snap portion.

The utility model discloses an in the embodiment, joint portion includes follows the half groove of the circumference setting of location body, the both ends in half groove are formed with the spacing face of joint.

The utility model discloses an in the embodiment, joint face in the relative first interior joint face and the second that sets up of joint portion, joint face in the first interior joint face the joint face and two in the second the spacing face of joint encloses to establish and forms half groove.

In an embodiment of the present invention, the number of the second ports is greater than the number of the first ports.

In an embodiment of the present invention, the number of the second ports is not more than three.

In an embodiment of the present invention, the outer edge of each of the second ports is equal to a distance between the outer edges of the positioning bodies and a distance between the adjacent two second ports.

The utility model also provides a pencil joint structure, include:

a wire harness having a main wire harness and at least one branch wire harness connected to the main wire harness;

at least one injection molding clamping piece as described above;

at least one the joint spare of moulding plastics through injection moulding's mode integrated into one piece in on the pencil.

The utility model discloses an in the embodiment, the joint spare integrated into one piece of moulding plastics in the hookup location department of the main pencil of pencil and at least one branch pencil.

In an embodiment of the present invention, the injection-molded clip is integrally formed on at least one branch harness of the harness; or, the injection molding clamping piece is integrally formed on the main wire harness of the wire harness.

The utility model discloses a characteristics and advantage are:

one, the utility model discloses a joint spare of moulding plastics through the mode integrated into one piece of moulding plastics on the pencil, should mould plastics and have higher connection reliability between joint spare and the pencil, can carry out effectual sealing and location to the pencil, can play certain guard action to the pencil, prevent that the pencil from sliding and/or wrench movement and lead to its inside heart yearn damaged.

Two, the utility model discloses a joint spare of moulding plastics, through at least one first constant head tank and/or at least one second of moulding plastics the constant head tank structure of mutually supporting of moulding plastics, the impact force that effectively prevents the material of moulding plastics leads to the pencil to skew or the defect of moulding plastics appearing in the body inside in location after the shaping to make the parcel complete at the outside location body rubber coating of pencil, the pencil does not leak outward.

Three, the utility model discloses a joint spare of moulding plastics, distance between the outer fringe of each second port and the location body, equal with distance between two adjacent second ports that set up to the rubber coating thickness of the surface of each branch pencil that makes the pencil is unanimous, when moulding plastics, the rubber coating is more abundant, avoids the pencil to leak outward, and sealing performance is better, and best dustproof and waterproof performance can reach IP 68.

The injection molding clamping piece of the utility model can realize the fixed clamping with the external structure by designing the clamping part on the positioning body; in addition, the clamping part is designed into a half-groove structure, and an operator can conveniently sense whether the wiring harness is installed in place or not in use and installation through the two clamping limiting surfaces of the half-groove; in addition, through the relative joint face in the first that sets up and the joint face in the second, realized the location body with to the tight state of plug-in components face-to-face contact interference clamp, this joint portion can play the beneficial effect of guaranteeing pencil installation reliability and increase the tensile strength and the life of product, this joint portion fixity is strong, can strengthen the location steadiness of pencil.

Fifth, the wire harness clamping structure of the utility model integrates the wire harness and the injection molding clamping piece in an injection molding manner, simplifies the process step of connecting the clamping piece on the wire harness, and has simple structure and easy manufacture; in addition, the injection molding clamping piece has higher connection reliability with the wire harness, can effectively seal and position the wire harness, can play a certain protection role on the wire harness, and prevents the wire harness from sliding and/or twisting to cause the damage of the core wire inside the wire harness; in addition, through the design of the clamping part of the injection molding clamping piece, the wire harness clamping structure can be fixedly clamped with an external structure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the three-dimensional structure of the injection molding joint member of the present invention.

Fig. 2 is a front view of the injection molding clip of the present invention.

Fig. 3 is a top view of the injection molding clip of the present invention.

Fig. 4 is a bottom view of the injection molding clip of the present invention.

Fig. 5 is a side view of a first embodiment of the injection molded clip of the present invention.

Fig. 6 is a side view of a second embodiment of the injection molded clip of the present invention.

Fig. 7 is a schematic view of the three-dimensional structure of the injection-molded clip member formed on the wire harness.

Fig. 8 is a sectional view taken along line a-a in fig. 6.

Fig. 9 is a sectional view taken along line B-B in fig. 6.

Fig. 10 is a schematic structural view of the injection-molded clip member of the present invention inserted into the counter-insert member.

Reference numerals and description:

1. positioning the body; 11. an inner cavity; 12. a first port; 13. a second port; 14. a clamping part; 141. a half groove; 142. clamping the limiting surface; 143. a first inner engagement surface; 144. a second inner snap surface; 15. a first injection molding positioning groove; 151. perforating; 16. a second injection molding positioning groove; 2. a wire harness; 21. a main wire harness; 22. a branch wire harness; 3. aligning the plug-in units; 31. an end edge; h1, distance; h2, distance.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Where adjective or adverbial modifiers "upper" and "lower", "top" and "bottom", "inner" and "outer" are used merely to facilitate relative reference between groups of terms, and do not describe any particular directional limitation on the modified terms. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and "at least one" means one or more.

Implementation mode one

As shown in fig. 1 to 6, the present invention provides an injection molding fastener, which includes a positioning body 1 injection molded on a wiring harness 2, wherein the positioning body 1 has an inner cavity 11 for accommodating the wiring harness 2, the positioning body 1 has at least one first port 12 and a plurality of second ports 13, and at least one first port 12 is communicated with a plurality of second ports 13 through the inner cavity 11; wherein, the outer surface of the positioning body 1 is formed with at least one first injection molding positioning groove 15. The utility model discloses a joint spare of moulding plastics can effectively seal and fix a position pencil 2, and can play certain guard action to pencil 2, prevents that pencil 2 from sliding and/or wrench movement and leading to its inside heart yearn damaged, should mould plastics and have higher connection reliability between joint spare and the pencil 2. In addition, the intensity of this joint spare of moulding plastics is higher than prior art's joint spare.

Specifically, referring to fig. 7, the positioning body 1 is integrally formed on the wire harness 2 by injection molding, and the injection molding material for forming the positioning body 1 may be Polyurethane (PUR), but other materials may also be used, such as Acrylonitrile-Butadiene-Styrene copolymer (ABS), Ethylene Propylene Diene Monomer (EPDM), Thermoplastic polyurethane elastomer (TPU), polypropylene (PP), Polybutylene terephthalate (PBT), and the like. The utility model discloses a mode of moulding plastics, integrated into one piece location body 1 on pencil 2, zero clearance or gap between location body 1 and the pencil 2, combination between the two is inseparabler, guaranteed to be located first port 12 simultaneously, the pencil 2 of second port 13 department and the seam position between the location body 1 are sealed tight reality, this location body 1 can wrap up completely on the surface of pencil 2, not only improved the leakproofness of location body 1 to pencil 2, and strengthened the fixity of location body 1 to pencil 2, avoided producing between pencil 2 and the location body 1 and slide and/or wrench movement, effectively protected the heart yearn in the pencil 2.

Referring to fig. 7, the wire harness 2 is a structural body having at least one main wire harness 21 at one end and a plurality of branch wire harnesses 22 at the other end, the positioning body 1 of the present invention is mainly injection molded at the branch position of the wire harness 2, that is, the positioning body 1 is injection molded at the connection position of the at least one main wire harness 21 and the plurality of branch wire harnesses 22. Both ends of the wire harness 2 may pass through at least one first port 12 and a plurality of second ports 13 of the positioning body 1, for example, a main wire harness 21 of the wire harness 2 may pass through the first port 12 of the positioning body 1, and a branch wire harness 22 of the wire harness 2 may pass through the second port 13 of the positioning body 1.

The utility model discloses in, the quantity of first port 12 on the location body 1 can be corresponding with the quantity of the main pencil 21 of pencil 2, and the quantity of the second port 13 on the location body 1 can be corresponding with the quantity of the branch pencil 22 of pencil 2, also the quantity of the first port 12 on the location body 1 and the quantity of second port 13 can be injectd according to the structure of pencil 2 promptly. For example, when the wiring harness 2 has one main wiring harness 21 and two branch wiring harnesses 22, one first port 12 and two second ports 13 may be designed on the positioning body 1, see fig. 5 and 7; when the wiring harness 2 has one main wiring harness 21 and three branch wiring harnesses 22, one first port 12 and three second ports 13 can be designed on the positioning body 1, see fig. 6; by analogy, the wire harness 2 may also have two main wire harnesses 21 and one or more branch wire harnesses 22, etc., without limitation. The utility model discloses an injection moulding should fix a position body 1 on pencil 2, and the structure of this location body 1 can suit with the structure of pencil 2, and can fully fuse with pencil 2.

Further, the center line of the first port 12 and the center line of the second port 13 of the positioning body 1 in the present embodiment are parallel to each other, and of course, in other embodiments, the center line of the first port 12 and the center line of the second port 13 may also be set at a certain included angle, depending on the specific form of the wire harness 2, therefore the utility model has the advantages of wide application range and strong structural plasticity.

Furthermore, in the present embodiment, the number of the second ports 13 is greater than the number of the first ports 12, and preferably, the number of the second ports 13 is not greater than three, so as to reduce the weight of the positioning body 1 and improve the yield of injection molding; in addition, the arrangement of the plurality of second ports 13 can correspondingly increase branch ports of the wiring harness 2, reduce the number of the positioning pieces used in the finished wiring harness, and meet the requirements of drawing force and branch points while ensuring the sealing performance of the branch points of the wiring harness.

In the present embodiment, the wire harness 2 is a wire harness used in an anti-lock brake system and an electronic parking brake system of an automobile, but may be other types of wire harnesses, such as connection wire harnesses of various electric appliances in life, or a wire harness of a power cable, and the type of the wire harness 2 is not limited herein.

The utility model discloses in, be equipped with at least one first constant head tank 15 of moulding plastics in the position department that the surface of location body 1 is close to second port 13, also promptly, at least one first constant head tank 15 of moulding plastics is close to second port 13 and sets up, and this first constant head tank 15 of moulding plastics is when injection moulding location body 1, by the last location bead of injection mold and formation, its effect is: the wire harness 2 placed in the injection mold is positioned. At injection moulding location body 1's in-process, the injection moulding fluid can flow in injection mould, the impact force that the fluid flows can influence pencil 2 stability in injection mould, lead to pencil 2 to move and/or gliding condition takes place, in order to avoid this condition to appear, be equipped with at least one location bead on injection mould, in order to play support and/or fixed effect to pencil 2, avoid pencil 2 too be close to injection mould's internal surface, lead to the parcel to take place at the inconsistent condition of the outside location body 1's of pencil 2 thickness, the utility model discloses the problem of the steadiness and the yield that location body 1 and pencil 2 are connected has been considered from injection moulding's angle, the position of moulding plastics of pencil 2 heart yearn when guaranteeing to mould plastics simultaneously.

Further, as shown in fig. 2, 4, 8 and 9, a plurality of through holes 151 are formed at the bottom of the first injection positioning groove 15, the through holes 151 are communicated with the inner cavity 11 of the positioning body 1, when the through holes 151 are used for injection molding of the positioning body 1, the through holes are formed by a plurality of convex blocks on a positioning convex edge of an injection mold, and the convex blocks can further play a role in positioning the wiring harness 2 placed in the injection mold, so that the thickness of the positioning body 1 wrapped outside the wiring harness 2 is consistent, and the injection molding of the positioning body 1 is facilitated, thereby preventing the wiring harness 2 from generating adverse phenomena such as offset and movement inside the positioning body 1. Of course, in other embodiments, a long hole may be formed at the bottom of the first injection-molding positioning groove 15, that is, the first injection-molding positioning groove 15 is a through groove communicated with the inner cavity 11, which is more beneficial to the injection molding of the positioning body 1, and can also prevent the wire harness 2 from generating undesirable phenomena such as deviation and movement inside the positioning body 1, which is not limited herein.

In the present embodiment, the outer surface of the positioning body 1 is further provided with a clamping portion 14, the clamping portion 14 is a structural member for mounting the positioning body 1 on an external structure (for example, the insert 3), and the positioning body 1 can be mounted on a chassis of a vehicle through the clamping portion 14.

In the present embodiment, as shown in fig. 2 to 4, the clamping portion 14 includes a half groove 141 provided along the circumferential direction of the positioning body 1, and clamping limiting surfaces 142 are formed at both ends of the half groove 141. The engagement stopper surface 142 is formed between the outer surface of the positioning body 1 and the bottom of the half groove 141, and as shown in fig. 10, the half groove 141 may be, for example, a semicircular groove provided along the circumferential direction of the positioning body 1, or a three-quarter circular groove provided along the circumferential direction of the positioning body 1. When location body 1 joint is on plug-in components 3, the spacing face 142 of joint offsets with the tip edge 31 to plug-in components 3, forms the interact power between the two, and operating personnel is through pressing down location body 1 to it can not confirm this location body 1 and realized the joint target in place to plug-in components 3 after further removing plug-in components 3 to the perception, consequently the utility model discloses whether can be convenient for operating personnel perception pencil 2 when using the installation and install target in place. In addition, this half groove 141's setting still makes the utility model discloses with have stronger shock resistance after combining plug-in components 3, its shock resistance compares prior art and promotes 20% at least.

Further, the clamping portion 14 has a first inner clamping surface 143 and a second inner clamping surface 144 which are oppositely disposed, and the first inner clamping surface 143, the second inner clamping surface 144 and the two clamping limiting surfaces 142 are surrounded to form the half slot 141. After the opposite plug-in unit 3 is inserted into the half groove 141, the first inner clamping surface 143 and the second inner clamping surface 144 are respectively located at two sides of the opposite plug-in unit 3 and clamp the opposite plug-in unit 3, and the clamping portion 14 is in surface-to-surface contact and clamping state with the opposite plug-in unit 3 through the first inner clamping surface 143 and the second inner clamping surface 144, in this embodiment, the half groove 141 and the opposite plug-in unit 3 are in interference fit.

The utility model discloses a joint portion 14, for example can be close to the first port setting of location body 1, this joint portion 14 can play the beneficial effect of guaranteeing 2 installation reliability of pencil and increasing the tensile strength and the life of product, and this 14 fixity of joint portion are strong, can strengthen the location steadiness of pencil 2.

In an embodiment of the present invention, the plurality of second ports 13 are arranged on the positioning body 1 at intervals side by side, that is, the plurality of second ports 13 are arranged in a row and arranged at intervals, and the at least one first injection-molding positioning groove 15 is located on at least one side of the plurality of second ports 13 arranged side by side.

In a possible embodiment, as shown in fig. 2 to 6, the first injection-molded positioning groove 15 is located at one side (for example, the left side or the right side in fig. 5 and 6) of the plurality of second ports 13 arranged side by side, and is fixed from one side of the wire harness 2 during injection molding, so that the wire harness 2 is prevented from deviating or having injection defects inside the positioning body 1 due to the impact force of the injection-molded material after molding. In this embodiment, one side of the second ports 13 may be provided with one or more first injection molding positioning grooves 15, and when the first injection molding positioning grooves 15 are provided, the first injection molding positioning grooves 15 are arranged at intervals along the central line direction of the second ports 13.

In another possible embodiment, as shown in fig. 2 to 6, the first injection-molded positioning groove 15 is located on two opposite sides (for example, left and right sides in fig. 5 and 6) of the plurality of second ports 13 arranged side by side, and the wire harness 2 is clamped and fixed from two sides of the wire harness 2 during injection molding, so that the wire harness 2 is prevented from deviating or having injection defects inside the positioning body 1 due to the impact force of the injection-molded material after molding, and the positioning body 1 wrapped outside the wire harness 2 is completely encapsulated without the wire harness 2 leaking. The opposite sides of the second ports 13 can be provided with one or more first injection molding positioning grooves 15, and when the first injection molding positioning grooves 15 are provided, the first injection molding positioning grooves 15 are arranged at intervals along the central line direction of the second ports 13.

Further, the utility model discloses an in the embodiment, this surface of location body 1 is formed with at least one second constant head tank 16 of moulding plastics, and at least one second constant head tank 16 of moulding plastics is close to second port 13 and sets up, and the second constant head tank 16 of moulding plastics and the first constant head tank 15 of moulding plastics along the circumference of location body 1 side by side and crisscross setting.

In a possible embodiment, as shown in fig. 3 to 6, the second injection molding positioning groove 16 is located at one end (for example, the upper end or the lower end in fig. 5 and 6) of the plurality of second ports 13 arranged side by side, that is, the second injection molding positioning groove 16 is located at the end of the connection line of the plurality of second ports 13, and during injection molding, the second injection molding positioning groove 16 and the first injection molding positioning groove 15 are matched with each other to be fixed from two adjacent sides of the wire harness 2, so as to prevent the wire harness 2 from deviating or having injection molding defects inside the positioning body 1 due to the impact force of the injection molding material. In this embodiment, one end of the second ports 13 may be provided with one or more second injection molding positioning grooves 16, and when the second injection molding positioning grooves 16 are provided, the second injection molding positioning grooves 16 are arranged at intervals along the central line direction of the second ports 13.

In another possible embodiment, as shown in fig. 3 to 6, the second injection molding positioning groove 16 is located at two opposite ends (for example, the upper end and the lower end in fig. 5 and 6) of the plurality of second ports 13 arranged side by side, and during injection molding, the second injection molding positioning groove 16 is matched with the first injection molding positioning groove 15 to fix the wiring harness 2 in the circumferential direction, so as to prevent the wiring harness 2 from deviating or having injection molding defects inside the positioning body 1 after molding caused by the impact force of the injection molding material, so that the positioning body 1 wrapped outside the wiring harness 2 is completely encapsulated, and the wiring harness 2 does not leak. The opposite ends of the second ports 13 may be provided with one or more second injection molding positioning grooves 16, and when the second injection molding positioning grooves 16 are provided, the second injection molding positioning grooves 16 are arranged at intervals along the central line direction of the second ports 13.

The utility model discloses a location body 1, through at least one first constant head tank 15 and/or at least one second constant head tank 16 structure of mutually supporting of moulding plastics, the impact force that effectively prevents the material of moulding plastics leads to behind the shaping pencil 2 to skew or the defect of moulding plastics appearing in 1 inside of location body to make the parcel at 2 outside location body 1 rubber coatings of pencil complete, pencil 2 does not leak outward.

In an embodiment of the present invention, as shown in fig. 6, a distance H1 between the outer edge of each second port 13 and the outer edge of the positioning body 1 is equal to a distance H2 between two adjacent second ports 13, so that the encapsulation thickness of the outer surface of each branch wire harness 22 of the wire harness 2 is uniform.

Specifically, the distance H1 between the outer edge of the second port 13 and the outer edge of the positioning body 1 can be 1.1 mm-1.5 mm, so that during injection molding, the encapsulation is more sufficient, the leakage of the wiring harness 2 is avoided, and the sealing performance is better.

Second embodiment

As shown in fig. 1 to 10, the present invention further provides a wire harness clamping structure, including: a harness 2 having a main harness 21 and at least one branch harness 22 connected to the main harness 21; at least one injection molding clamping piece; at least one the joint spare of moulding plastics through injection moulding's mode integrated into one piece in pencil 2 is last. The injection molding clamping piece is the injection molding clamping piece in the first embodiment, and the structure, the forming mode and the beneficial effects of the injection molding clamping piece are the same as those of the first embodiment, and are not repeated herein.

In a possible embodiment, as shown in fig. 7, the injection-molded snap-in member is integrally molded at a connecting position of a main wire harness 21 and at least one branch wire harness 22 of the wire harness 2.

In another possible embodiment, the injection-molded snap-in piece may be integrally molded on at least one branch harness 22 of the harness 2, for example, a plurality of injection-molded snap-in pieces may be molded on one branch harness 22 at intervals along the length direction of the branch harness 22, or a plurality of injection-molded snap-in pieces may be molded on two side-by-side branch harnesses 22 at intervals along the length direction of the branch harness 22, which is not limited herein;

further, the injection-molded snap-in member may be integrally formed on the main wire harness 21 of the wire harness 2, for example, one or a plurality of injection-molded snap-in members are formed on the main wire harness 21 along the length direction of the main wire harness 21, which is not limited herein.

The wire harness clamping structure of the utility model integrates the wire harness 2 and the injection molding clamping piece in an injection molding manner, simplifies the process step of hermetically connecting the clamping piece on the wire harness 2, and has simple structure and easy manufacture; in addition, the injection molding clamping piece has higher connection reliability with the wiring harness 2, can effectively seal and position the wiring harness 2, can play a certain protection role for the wiring harness 2, and prevents the wiring harness 2 from sliding and/or twisting to cause the damage of the core wire inside the wiring harness 2; in addition, through the design of the clamping part 14 of the injection molding clamping piece, the wire harness clamping structure can realize fixed clamping with an external structure.

The above are only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.

Claims

1. An injection molding clamping piece is characterized by comprising a positioning body which is injection molded on a wiring harness, wherein the positioning body is provided with an inner cavity for accommodating the wiring harness, the positioning body is provided with at least one first port and a plurality of second ports, and the at least one first port is communicated with the plurality of second ports through the inner cavity; wherein, the surface of location body is formed with at least one first constant head tank of moulding plastics.

2. The injection molded clip of claim 1 wherein said plurality of second ports are spaced side-by-side and at least one of said first injection molded detents is located on at least one side of said plurality of second ports that are spaced side-by-side.

3. The injection molded clip of claim 2 wherein said first injection molded detent recess has a plurality of perforations therein communicating with said cavity.

4. The injection molding fastener of any one of claims 1 to 3, wherein at least one second injection molding positioning groove is formed on the outer surface of the positioning body, the at least one second injection molding positioning groove is disposed near the second port, and the second injection molding positioning groove and the first injection molding positioning groove are disposed side by side and staggered along the circumferential direction of the positioning body.

5. The injection molded clip of claim 4 wherein said first injection molded detent groove and said second injection molded detent groove are both plural, and said first injection molded detent groove and said second injection molded detent groove are spaced apart along the centerline of said second port.

6. The injection molded clip of claim 1 wherein said positioning body has a clip portion formed on an outer surface thereof.

7. The injection-molded clamping piece as claimed in claim 6, wherein said clamping portion comprises a half groove arranged along the circumference of said positioning body, and clamping limiting surfaces are formed at both ends of said half groove.

8. The injection-molded clip member of claim 7, wherein said clip portion has a first inner clip surface and a second inner clip surface which are oppositely disposed, and said first inner clip surface, said second inner clip surface and two of said clip-limiting surfaces are defined to form said half-grooves.

9. The injection molded clip of claim 1 wherein the number of second ports is greater than the number of first ports.

10. The injection molded clip of claim 1 or 9 wherein the number of second ports is no greater than three.

11. The injection-molded clip member of claim 1 or 9, wherein a distance between an outer edge of each of said second ports and an outer edge of said positioning body is equal to a distance between two of said second ports which are adjacently disposed.

12. A wire harness clamping structure is characterized by comprising:

at least one injection molded snap-in part as claimed in any one of claims 1 to 11;

13. The wire harness clamping structure according to claim 12, wherein the injection-molded clamping member is integrally molded at a connection position of a main wire harness and at least one branch wire harness of the wire harness.

14. The wire harness snap-in structure of claim 12, wherein the injection molded snap-in member is integrally formed on at least one of the branch wire harnesses; or, the injection molding clamping piece is integrally formed on the main wire harness of the wire harness.