CN217381216U

CN217381216U - Fixing structure of plastic part

Info

Publication number: CN217381216U
Application number: CN202123169701.2U
Authority: CN
Inventors: 桂骋
Original assignee: Wuhan Ruizhiyuan Plastic Industry Co ltd
Current assignee: Wuhan Ruizhiyuan Plastic Industry Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-09-06
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to the technical field of plastic part fixing structures, in particular to a plastic part fixing structure which comprises a plastic part, the outer side of the plastic part is provided with a fixed flange, the inner part of the plastic part is provided with a metal insert, the metal insert is internally provided with a fixing bolt, the upper end of the plastic part is provided with a first protective pad, the base surface of the first protective pad is provided with a first through groove, the left side and the right side of the bottom of the first protective pad are symmetrically provided with first limiting columns, the front side and the rear side of the bottom of the first protective pad are symmetrically provided with second limiting columns, the left side and the right side of the base surface of the plastic part are symmetrically provided with first limiting holes, the front and back bilateral symmetry of the plastic part base plane is provided with second limiting holes, the upper side of the first protective pad is provided with a second protective pad, and the whole device is simple in structure and high in practicability.

Description

Fixing structure of plastic part

Technical Field

The utility model relates to a plastic parts's fixed knot constructs technical field, specifically is a plastic parts's fixed knot constructs.

Background

In the design of automobile engine, plastics are chooseed for use on the part of engine more and more as the hot door material of lightweight design, when plastic parts passes through the bolt fastening on the engine, generally can be in plastic parts's mounting flange department embedding height and flange thickness match, the ring shape metal insert that excircle diameter is less than bolt flange hole diameter, a radial spacing for the construction bolt, because unavoidable manufacturing error, metal insert up end and plastic parts's flange face are not on the coplanar, during fastening bolt, can cause plastic parts or metal insert to go up local pressure big on one's side, lead to plastic parts local damage or metal insert to drop.

There is therefore a need for a plastic part fixing structure that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic parts's fixed knot constructs to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a fixed knot of plastic part constructs, includes the plastic part, the outside of plastic part is provided with mounting flange, the inside of plastic part is provided with metal insert, metal insert's inside is provided with fixing bolt, the upper end of plastic part is provided with first protection and fills up, first logical groove has been seted up to the base face that first protection was filled up, the left and right sides symmetry that first protection was filled up the bottom is provided with first spacing post, the bilateral symmetry is provided with the spacing post of second around the first protection was filled up the bottom, the left and right sides symmetry of plastic part base face is provided with first spacing hole, bilateral symmetry is provided with the spacing hole of second around the plastic part base face, the upside that first protection was filled up is provided with the second and protects the pad.

As the utility model discloses preferred scheme, first spacing hole sets up with the corresponding adaptation of first spacing post.

As the utility model discloses preferred scheme, the spacing hole of second sets up with the corresponding adaptation of the spacing post of second.

As the preferred scheme of the utility model, the diameter in first logical groove is the same with metal insert's internal diameter.

As the utility model discloses preferred scheme, first protection pad adopts the rubber material setting.

As the preferred proposal of the utility model, the base surface of the second protective pad is matched with the first through groove to provide a second through groove.

As the utility model discloses preferred scheme, the second protection is filled up, first spacing post and the spacing post of second all adopt the metal material setting.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the first protection pad that sets up, first spacing post, the spacing post of second, first spacing hole and the spacing hole of second, first protection pad can protect plastic part and metal insert to can avoid making it cause the damage because of manufacturing error, and first spacing post and the spacing post of second can be fixed respectively in first spacing hole and the spacing hole of second, thereby can carry on spacingly to the position of first protection pad, make it more stable when using.

2. The utility model discloses in, through the second protection pad that sets up, can make fixing bolt avoid first protection pad to cause the damage when fastening to can be better protect plastics part and metal insert, overall structure is simple and the practicality is higher.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a partial structure diagram of the present invention;

fig. 3 is a bottom view of the first protection pad of the present invention.

In the figure: 1. a plastic part; 2. fixing the flange; 3. a metal insert; 4. fixing the bolt; 5. a first protective pad; 6. a first through groove; 7. a first limit post; 8. a second limit post; 9. a first limit hole; 10. a second limiting hole; 11. a second protective pad.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a fixed knot of plastic part constructs, including plastic part 1, plastic part 1's the outside is provided with mounting flange 2, plastic part 1's inside is provided with metal insert 3, metal insert 3's inside is provided with fixing bolt 4, plastic part 1's upper end is provided with first protection and fills up 5, first logical groove 6 has been seted up to first protection pad 5's base plane, the left and right sides symmetry of first protection pad 5 bottom is provided with first spacing post 7, the front and back bilateral symmetry of first protection pad 5 bottom is provided with the spacing post 8 of second, the left and right sides symmetry of plastic part 1 base plane is provided with first spacing hole 9, the front and back bilateral symmetry of plastic part 1 base plane is provided with the spacing hole 10 of second, the upside of first protection pad 5 is provided with second protection pad 11.

In the embodiment, referring to fig. 1, 2 and 3, a first protection pad 5 is disposed at the upper end of a plastic part 1, a first through groove 6 is disposed on the base surface of the first protection pad 5, first limiting posts 7 are symmetrically disposed on the left and right sides of the bottom of the first protection pad 5, second limiting posts 8 are symmetrically disposed on the front and rear sides of the bottom of the first protection pad 5, first limiting holes 9 are symmetrically disposed on the left and right sides of the base surface of the plastic part 1, and second limiting holes 10 are symmetrically disposed on the front and rear sides of the base surface of the plastic part 1, the first protection pad 5 can protect the plastic part 1 and the metal insert 3 by the disposed first protection pad 5, the first limiting posts 7, the second limiting posts 8, the first limiting holes 9 and the second limiting holes 10, so as to prevent the plastic part 1 from being damaged due to manufacturing errors, and the first limiting posts 7 and the second limiting posts 8 can be respectively fixed in the first limiting holes 9 and the second limiting holes 10, therefore, the position of the first protective pad 5 can be limited, and the first protective pad is more stable when in use.

In an embodiment, referring to fig. 1 and 2, a second protection pad 11 is disposed on an upper side of the first protection pad 5, and the second protection pad 5 is disposed to prevent the first protection pad 5 from being damaged when the fixing bolt 4 is fastened, so that the plastic part 1 and the metal insert 3 can be better protected.

The utility model discloses work flow: when in use, the first protective pad 5 is respectively fixed in the first limit empty space 9 and the second limit hole 10 through the first limit column 7 and the second limit column 8, then the second protective cushion 11 is placed on the first protective cushion 5 and finally fixed by the fixing bolt 4, the first protective cushion 5 can protect the plastic part 1 and the metal insert 3, thereby avoiding damage caused by manufacturing error, and the first limit post 7 and the second limit post 8 can be respectively fixed in the first limit hole 9 and the second limit hole 10, thereby limiting the position of the first protective cushion 5 and ensuring that the first protective cushion 5 is more stable when in use, and the second protective cushion 11 can prevent the first protective cushion 5 from being damaged when the fixing bolt 4 is fastened, therefore, the plastic part 1 and the metal insert 3 can be better protected, and the whole device is simple in structure and higher in practicability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plastic part fixing structure, comprising a plastic part (1), characterized in that: a fixed flange (2) is arranged on the outer side of the plastic part (1), a metal insert (3) is arranged in the plastic part (1), a fixing bolt (4) is arranged inside the metal insert (3), a first protective pad (5) is arranged at the upper end of the plastic part (1), a first through groove (6) is arranged on the base surface of the first protective cushion (5), first limiting columns (7) are symmetrically arranged on the left side and the right side of the bottom of the first protective cushion (5), the front side and the rear side of the bottom of the first protective cushion (5) are symmetrically provided with second limiting columns (8), the left side and the right side of the basal plane of the plastic part (1) are symmetrically provided with first limit holes (9), the front side and the rear side of the basal plane of the plastic part (1) are symmetrically provided with second limiting holes (10), the upper side of the first protection pad (5) is provided with a second protection pad (11).

2. A fixing structure of a plastic part according to claim 1, wherein: the first limiting hole (9) and the first limiting column (7) are correspondingly matched.

3. A fixing structure of a plastic part according to claim 1, wherein: the second limiting hole (10) and the second limiting column (8) are correspondingly matched.

4. A fixing structure of a plastic part according to claim 1, wherein: the diameter of the first through groove (6) is the same as the inner diameter of the metal insert (3).

5. A fixing structure of a plastic part according to claim 1, wherein: the first protective pad (5) is made of rubber.

6. A fixing structure of a plastic part according to claim 1, wherein: and a second through groove is formed on the base surface of the second protection pad (11) and the first through groove (6) in a matched manner.

7. A fixing structure of a plastic part according to claim 1, wherein: the second protection pad (11), the first limiting column (7) and the second limiting column (8) are all made of metal materials.