CN209781403U

CN209781403U - Perfusion toplift screw

Info

Publication number: CN209781403U
Application number: CN201920416988.8U
Authority: CN
Inventors: 许晓鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-12-13
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a fill sky skin screw, including the nail pole, set up in the pin fin of the tip of nail pole, the pin fin comprises two or more arc connection pieces at least, and each arc connection piece is interval arrangement according to the partition along the circumferencial direction, and the pin fin is hollow structure, is equipped with the support column at the pin fin tip, the inside communicating shaft hole with pin fin hollow structure that is equipped with of support column, the utility model discloses after squeezing into the heel, when the nail pole needs to be received and drawn, the pin fin will produce and draw, and the arc connection piece is shrink toward hollow structure in, and the plastic at pin fin cavity position will be extruded in the shrink, is extruded certain limit when the arc connection piece, just can't be compressed, and the arc connection piece is bounce-back naturally to make the arc connection piece unable deformation, just more difficult also stretched, make the screw catch inside plastic, more difficult coming off firmly.

Description

Perfusion toplift screw

Technical Field

The utility model relates to a fill sky skin screw, concretely relates to fill sky skin screw.

Background

The heel lift screw is mainly used for connecting parts of other two objects such as two plastic products and the like, for example, the heel lift screw can be connected with a high-heeled shoe after injection molding of a heel lift and can also be used for connecting with other objects after injection molding of a plastic part. Since there are various kinds of existing vellum screws, the common vellum screws have a flower pin and a hole pin, which have several disadvantages:

1. The head of the flower nail is provided with a rod, and the flower nail is turned over outwards, so that the internal space of the flower head is insufficient, the heel lift is easy to fall off when the flower nail is used, and a person wearing the heel is easy to fall down.

2. The hole nail punches on being a discoid, is difficult to fall the sky leather, but during the assembly heel, the operator twists right sky leather nail and heel direction, causes inside fracture easily, and the hole of being cut off by the hole nail of sky leather inside, causes the sky leather rotatory, and like this when wearing, the sky leather will be rotatory, causes the user to wear uncomfortable, seriously endangers that the person's foot is impaired.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned weak point that exists among the prior art, the utility model aims to provide a fill sky skin screw, the inside that should fill the sky skin screw pin fin is hollow structure, can pour into the plastic raw materials into like this by furthest, makes sky skin and sky skin screw firmly grasp, difficult twist-off.

The utility model discloses a following technical scheme realizes: the perfusion toplift screw comprises a screw rod and a screw head arranged at the end part of the screw rod, wherein the screw head at least comprises two or more arc-shaped connecting sheets, and the arc-shaped connecting sheets are arranged at intervals along the circumferential direction according to equal division.

Preferably, the pin head of the utility model is a hollow structure, and the end part of the pin head is provided with a support column.

Preferably, the support pillar is internally provided with a shaft hole communicated with the hollow structure of the pin head.

preferably, the nail head of the utility model consists of three arc-shaped connecting sheets.

Preferably, the utility model discloses every the arc connection piece is the arc to the outside and heaves, and its upper end is connected with the support column, and the lower extreme is connected with the nail pole.

Preferably, the middle section position of the nail rod is provided with strip-shaped teeth or thread-shaped teeth.

Preferably, the utility model discloses be equipped with the support ring along the radial grow of nail pole between the junction of nail pole and pin fin.

Preferably, one end of the nail rod of the utility model is integrally formed with the nail head, and the other end is provided with a cone.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. The utility model discloses the pin fin is through the hollow structure that two or more arc connection pieces constitute to and communicate with each other with the support column shaft hole, form multiposition and even wear to communicate with each other, the entering of increase plastic that like this can furthest, arc connection piece is the arc to the outside and heaves in addition, makes the inside hollow space of pin fin bigger, can get into more plastics, can effectively prevent to twist reverse, when production assembly, is more difficult by the twist-off.

2. The utility model discloses can process the pin fin littleer, can cooperate thinner heel to use, satisfy the operation requirement of current heel.

3. The utility model discloses squeeze into the heel after, when the nail pole need be received and drawn, the pin fin will produce and draw, and the arc connection piece contracts toward hollow structure in, and the plastic at pin fin cavity position will be extruded in the shrink, is extruded certain limit when the arc connection piece, just can't be compressed, and the arc connection piece rebounds naturally to make the arc connection piece can't warp, just more difficult quilt is stretched, make the screw firmly grasp inside plastic, more difficult coming off.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is a schematic structural view of the present invention;

Fig. 2 is another schematic structural diagram of the present invention;

FIG. 3 is a schematic structural view of the top sheet/plastic of the present invention after injection molding;

Wherein: 1-nail rod, 2-nail head, 3-support column, 4-shaft hole, 5-arc connecting sheet, 6-support ring, 7-strip tooth, 8-cone part and 9-casting body.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 2 and 3, the poured topee screw of the embodiment includes a screw rod 1, a screw head 2 disposed at an end of the screw rod 1, the screw head 2 is of a hollow structure, a support column 3 is disposed at an end of the screw head 2, a shaft hole 4 communicated with the hollow structure of the screw head 2 is disposed inside the support column 3 to form multi-position communication, so that entry of plastic can be increased to the maximum extent, the screw head 2 is composed of two arc-shaped connection pieces 5, the screw head 2 can also be composed of more than two arc-shaped connection pieces 5, every two adjacent arc-shaped connection pieces 5 are distributed at intervals, each arc-shaped connection piece 5 is arranged in equal intervals along a circumferential direction, each arc-shaped connection piece 5 bulges in an arc shape to the outside, the upper end thereof is connected with the support column 3, the lower end thereof is connected with the screw rod 1, so that the space of the hollow structure inside the screw head 2 is larger, and, can effectively prevent torsion and is more difficult to be twisted off during production and assembly.

a support ring 6 which is enlarged along the radial direction of the nail rod is arranged between the joint of the nail rod 1 and the nail head 2, when in injection molding, the support ring 6 blocks the hole of the mold, the casting material is not easy to leak, and the cast body after injection molding can also wrap the support ring 6, so that the support ring 6 and the heel have acting force, and the cast body is not easy to fall off; the middle section position of nail pole 1 is equipped with bar tooth 7, and bar tooth 7 can more effectively make the nail pole squeeze into the heel in, and the bar tooth also can adopt the thread form to replace, works as the utility model discloses when the pouring body is the plastic, can regard as the screw of taking the hand wheel to use, can make things convenient for the screw to be connected with other parts like this, also is difficult for the twist-off when rotatory.

Nail pole 1 one end and pin fin 2 integrated into one piece, there is pyramis 8 the other end, and pyramis 8 also can adopt cylinder or point portion to replace, can process according to production needs, and nail pole 1, pin fin 2, support ring 6, support column all adopt metal material integrated into one piece to form, and the arc connection piece 5 of processing out has certain elasticity.

When in production, the nail head is injected with plastic, the casting body (toplift/plastic) 9 and the nail head are integrated, the casting body can be injected into the hollow structure of the shaft and the nail head, because the hollow structure space of the nail head is larger, more casting body can be injected, when the injected toplift screw is driven into the heel of the high-heeled shoe, the drawing test needs to be carried out, namely the bearing capacity of the high-heeled shoe when the side surface is stressed or the ground is blocked, when the nail rod needs to be drawn and drawn, the nail head can be drawn, the arc connecting sheet shrinks towards the hollow structure of the nail head, the plastic in the hollow part of the nail head can be extruded by the shrinkage, when the arc connecting sheet is extruded to a certain limit, the connecting sheet can not be compressed, the arc connecting sheet naturally rebounds, so that the arc connecting sheet can not deform, and is more difficult to be stretched, the inner part of the arc screw can be firmly grasped, thereby improving the connection between the nail head and the casting body (heel) to be more tight and the use is safer.

while embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. the utility model provides a pour into sky skin screw, includes the nail pole, set up in the pin fin of the tip of nail pole, its characterized in that: the nail head is at least composed of two or more arc-shaped connecting sheets, and the arc-shaped connecting sheets are arranged at intervals along the circumferential direction according to equal division.

2. An irrigated crown screw according to claim 1, wherein: the nail head is of a hollow structure, and a support column is arranged at the end part of the nail head.

3. An irrigated crown screw according to claim 2, wherein: and a shaft hole communicated with the hollow structure of the nail head is formed in the support column.

4. an irrigation sky-skin screw according to claim 1 or 3, wherein: the nail head consists of three arc-shaped connecting sheets.

5. An irrigated crown screw according to claim 4, wherein: every the arc connection piece is the arc to the outside and swells, and its upper end is connected with the support column, and the lower extreme is connected with the nail pole.

6. An irrigation sky-skin screw according to claim 1 or 5, wherein: the middle section of the nail rod is provided with strip-shaped teeth or a thread shape.

7. An irrigated crown screw according to claim 6, wherein: and a support ring which is enlarged along the radial direction of the nail rod is arranged between the joint of the nail rod and the nail head.

8. An irrigated crown screw according to claim 7, wherein: one end of the nail rod and the nail head are integrally formed, and the other end of the nail rod is provided with a cone.