CN217446886U - Core-pulling injection-molding pull piece and pull head thereof - Google Patents
Core-pulling injection-molding pull piece and pull head thereof Download PDFInfo
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- CN217446886U CN217446886U CN202221529883.1U CN202221529883U CN217446886U CN 217446886 U CN217446886 U CN 217446886U CN 202221529883 U CN202221529883 U CN 202221529883U CN 217446886 U CN217446886 U CN 217446886U
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Abstract
The utility model relates to a zip fastener technical field, concretely relates to pulling-on piece of moulding plastics of loosing core and pull head thereof, its characterized in that: including the connection piece that is the stereoplasm structure and the piece that grips that is soft texture, the front portion of connection piece is equipped with the connecting hole that runs through both sides surface from top to bottom, and the rear portion of connection piece is equipped with the open coring hole in backward, and the coring hole intussuseption is filled with soft material and utilizes the disposable injection moulding of soft material to have the piece of gripping of outside and backward extension, grips the piece front portion be formed with connection piece fixed connection's connecting portion and rear portion be formed with the portion of gripping that is used for the finger to grip. The utility model has the advantages that the whole structure is simple, it is more easy to make, and connection stability is good, and intensity and durability are high, and convenient operation uses simultaneously, and the security is high, and whole appearance is pleasing to the eye, and can be fine embody the original material feel of connection piece.
Description
Technical Field
The utility model relates to a zip fastener technical field, specificly relate to a pulling-on piece of moulding plastics of loosing core and pull head thereof.
Background
The zipper is widely applied to clothes, bags and tents, the zipper head is a main component of the zipper and plays roles of opening, closing and decoration, the pulling piece is also a main component of the zipper head which plays a role of forced sliding and decoration, a user can hold the pulling piece to pull the pulling piece, and in order to facilitate pulling the pulling piece and the safety in use, some pulling pieces with soft films are also available on the market, for example, soft synthetic rubber is integrally coated and formed on a metal pulling piece, however, in the actual manufacturing, the soft rubber is difficult to be used for being uniformly coated and formed on the metal pulling piece in a specified forming thickness and in a mode of being integrated, the integral touch feeling can be influenced, the original metal texture of the metal pulling piece cannot be embodied, for example, the pulling piece integrally formed by the synthetic rubber is adopted, however, the connecting ring part for penetrating the pulling piece mounting part of the pulling piece is only formed by the synthetic rubber, therefore, the pull tab is poor in strength or durability, the pull tab is easy to fall off in use, for example, a soft rubber cap is embedded on the metal pull tab, but the rubber cap is weakly combined with the pull tab, so that the rubber cap has a risk of falling off in use, and the durability is relatively common, or the metal pull tab and the soft rubber sheet are separately manufactured, and then the soft rubber sheet is extruded through the mounting hole on the pull tab to connect the two, but in this way, the whole manufacturing process is relatively troublesome, and the connection stability between the two is relatively common.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an overall structure is simple, and it is more easy to make, and connection stability is good, and intensity and durability are high, and convenient operation is used simultaneously, and the security is high, and whole appearance is pleasing to the eye, and can be fine embody the original material of connection piece feel one loose core pulling and mould plastics pulling-on piece and pull head thereof.
In order to solve the technical problem, the utility model discloses a technical scheme as follows: the utility model provides a pull-tab of loosing core and moulding plastics, is including the connection piece that is the stereoplasm structure and the piece that grips that is soft texture, and the front portion of connection piece is equipped with the connecting hole that runs through both sides surface from top to bottom, and the rear portion of connection piece is equipped with the open coring hole backward, and the coring hole intussuseption is filled with soft material and utilizes the disposable injection moulding of soft material to have the piece of gripping of outside and backward extension, grips the piece front portion be formed with connection piece fixed connection's connecting portion and rear portion be formed with the portion of gripping that is used for the finger to grip.
Furthermore, the rear part of the connecting piece is also provided with a hollow hole which penetrates through the outer surfaces of the upper side and the lower side and is communicated with the core-pulling hole, and the connecting part is matched with the hollow hole.
Furthermore, the outer surfaces of the upper side and the lower side of the connecting part are respectively flush with the outer surfaces of the upper side and the lower side of the rear part of the connecting sheet, and the outer surfaces of the upper side and the lower side of the holding part are respectively flush with the inner surfaces of the upper side and the lower side of the coring hole.
Furthermore, at least one side of the inner surface in the hollowed-out hole is provided with a positioning groove.
Furthermore, the inner surfaces of the left side and the right side in the hollow holes are provided with positioning grooves.
Furthermore, a positioning lug is fixedly arranged on the inner surface of one side of the hollow hole, which is opposite to the core-pulling hole.
Furthermore, the hollow hole is in a waist shape, and the core-pulling hole is in a rectangular hole shape.
Furthermore, a first through hole penetrating through the outer surfaces of the upper side and the lower side is formed in the connecting portion, and a second through hole penetrating through the outer surfaces of the upper side and the lower side is formed in the holding portion.
Furthermore, the outer surface edge of the upper side and the lower side of the connecting part are provided with annular grooves.
A pull head comprises the core-pulling injection-molded pull piece.
According to the above description, the core-pulling injection-molding pull piece and the pull head thereof provided by the utility model have the holding piece through direct one-time injection molding in the core-pulling hole of the connecting piece, so that the connecting piece is subjected to secondary molding, the whole manufacturing is easier, the connection stability is good, the strength and the durability are high, the operation and the use are convenient, the safety is high, the whole appearance is attractive, and the original material texture of the connecting piece can be well reflected; through positioning groove's setting, hold the piece at injection moulding's in-process, soft materials can get into positioning groove in to be formed with the location fixture block with positioning groove looks adaptation on making connecting portion, be favorable to further promoting and hold the stability of being connected between piece and the connection piece.
Drawings
Fig. 1 is the utility model relates to a three-dimensional structure schematic diagram of a pulling-on piece of moulding plastics of loosing core.
Fig. 2 is a schematic perspective view of the connecting sheet.
Fig. 3 is a schematic perspective view of a pull head according to the present invention.
In the figure: 1-connecting a sheet; 11-a connection hole; 12-coring holes; 13-hollowing out the holes; 14-positioning grooves; 15-positioning the bump; 2-a holding sheet; 21-a connecting part; 211-a first via; 212-annular groove; 22-a grip portion; 221-a second via; 3-zipper head.
Detailed Description
The present invention will be further described with reference to the following detailed description.
As shown in fig. 1 and 2, a loose core pulling-on piece of moulding plastics, including the connection piece 1 that is the stereoplasm structure and the piece 2 of holding that is soft texture, the front portion of connection piece 1 is equipped with the connecting hole 11 that runs through both sides surface from top to bottom, the rear portion of connection piece 1 is equipped with the open coring hole 12 in back, the intussuseption of coring hole 12 is filled with soft material and utilizes soft material one-time injection moulding of soft material has outside and backward extension hold piece 2, hold piece 2 front portion be formed with connection piece 1 fixed connection's connecting portion 21 and rear portion are formed with the portion 22 that grips that is used for the finger to grip.
Preferably, the soft material is a rubber material, and the connecting sheet 1 can be made of a metal material.
Through direct one-time injection moulding has in the coring hole 12 of connection piece 1 hold piece 2, from this right connection piece 1 is post forming, and its whole manufacturing is easier, and connection stability is good, and intensity and durability are high, convenient operation simultaneously uses, and the security is high, and whole appearance is pleasing to the eye, and can be fine embodiment original material feel of connection piece 1.
As shown in fig. 1 and 2, in addition, a hollow hole 13 penetrating through the outer surfaces of the upper and lower sides and communicating with the coring hole 12 is further formed in the rear portion of the connecting piece 1, the connecting portion 21 is adapted to the hollow hole 13, specifically, the outer surfaces of the upper and lower sides of the connecting portion 21 are respectively flush with the outer surfaces of the upper and lower sides of the rear portion of the connecting piece 1, and the outer surfaces of the upper and lower sides of the holding portion 22 are respectively flush with the inner surfaces of the upper and lower sides of the coring hole 12, so that the connecting portion 21 of the holding piece 2 can be more stably clamped in the hollow hole 13 of the connecting piece 1, which is beneficial to improving the stability of connection between the holding piece 2 and the connecting piece 1, and is also beneficial to further improving the overall appearance of the pull piece.
As shown in fig. 2, in addition, at least one inner surface of the hollow hole 13 is provided with a positioning groove 14, specifically, the inner surfaces of the left and right sides of the hollow hole 13 are provided with the positioning grooves 14, so that during the injection molding process of the holding piece 2, a soft material can enter the positioning grooves 14, and a positioning block matched with the positioning groove 14 is formed on the connecting portion 21, which is beneficial to further improving the stability of the connection between the holding piece 2 and the connecting piece 1.
As shown in fig. 2, in addition, a positioning protrusion 15 is fixedly disposed on an inner surface of the hollow hole 13 opposite to the core-pulling hole 12, so that, during the injection molding of the holding piece 2, a soft material can cover the positioning protrusion 15, so that a positioning slot matched with the positioning protrusion 15 is formed on the connecting portion 21, which is beneficial to further improving the stability of the connection between the holding piece 2 and the connecting piece 1.
As shown in fig. 2, preferably, the hollow hole 13 is a kidney-shaped hole, and the coring hole 12 is a rectangular hole.
As shown in fig. 1, a first through hole 211 penetrating through the outer surfaces of the upper and lower sides is formed in the connecting portion 21, and a second through hole 221 penetrating through the outer surfaces of the upper and lower sides is formed in the holding portion 22, so that the material of the holding piece 2 can be saved, and the overall appearance of the holding piece 2 can be improved.
As shown in fig. 1, the outer surface edges of the upper and lower sides of the connecting portion 21 are provided with annular grooves 212, which is also beneficial to improving the overall appearance of the grip piece 2.
As shown in fig. 3, a slider comprises any one of the above core-pulling injection-molded pull tabs, and the connecting sheet 1 on the pull tab is connected with the zipper slider 3 through the connecting hole 11.
The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (10)
1. The utility model provides a pull core pulling and injection molding pulling-on piece which characterized in that: including the connection piece that is the stereoplasm structure and the piece that grips that is soft texture, the front portion of connection piece is equipped with the connecting hole that runs through both sides surface from top to bottom, the rear portion of connection piece is equipped with the open coring hole in backward, the downthehole packing of loosing core has soft material and utilizes soft material once only injection moulding has outside and backward extension grip the piece, grip the piece front portion be formed with connection piece fixed connection's connecting portion and rear portion are formed with the portion of gripping that is used for the finger to grip.
2. The core-pulling injection-molded pull tab according to claim 1, characterized in that: the rear part of the connecting piece is also provided with a hollow hole which penetrates through the outer surfaces of the upper side and the lower side and is communicated with the core-pulling hole, and the connecting part is matched with the hollow hole.
3. The core pulling injection molding pull tab according to claim 2, characterized in that: the outer surfaces of the upper side and the lower side of the connecting part are respectively flush with the outer surfaces of the upper side and the lower side of the rear part of the connecting piece, and the outer surfaces of the upper side and the lower side of the holding part are respectively flush with the inner surfaces of the upper side and the lower side of the coring hole.
4. The core pulling injection molding pull tab according to claim 2, characterized in that: and a positioning groove is formed in the inner surface of at least one side in the hollow hole.
5. The core pulling injection molding pull tab according to claim 4, characterized in that: the positioning grooves are formed in the inner surfaces of the left side and the right side in the hollow holes.
6. The core-pulling injection-molded pull tab according to claim 2, characterized in that: and a positioning lug is fixedly arranged on the inner surface of one side of the hollow hole opposite to the core-pulling hole.
7. The core pulling injection molding pull tab according to claim 2, characterized in that: the hollow hole is in a waist-shaped hole shape, and the core-pulling hole is in a rectangular hole shape.
8. The core pulling injection molding pull tab according to claim 2, characterized in that: the connecting part is internally provided with a first through hole which penetrates through the outer surfaces of the upper side and the lower side, and the holding part is internally provided with a second through hole which penetrates through the outer surfaces of the upper side and the lower side.
9. The core pulling injection molding pull tab according to claim 2, characterized in that: and annular grooves are formed in the outer surface edges of the upper side and the lower side of the connecting part.
10. A slider, characterized by: a core pull injection moulded pull tab comprising any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529883.1U CN217446886U (en) | 2022-06-17 | 2022-06-17 | Core-pulling injection-molding pull piece and pull head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529883.1U CN217446886U (en) | 2022-06-17 | 2022-06-17 | Core-pulling injection-molding pull piece and pull head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217446886U true CN217446886U (en) | 2022-09-20 |
Family
ID=83237153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221529883.1U Active CN217446886U (en) | 2022-06-17 | 2022-06-17 | Core-pulling injection-molding pull piece and pull head thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217446886U (en) |
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2022
- 2022-06-17 CN CN202221529883.1U patent/CN217446886U/en active Active
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