阅读说明：本技术 一种顶尖结构及其制造方法以及水表 (Center structure, manufacturing method thereof and water meter ) 是由 张铁骑 于 2021-08-17 设计创作，主要内容包括：本申请公开了一种顶尖结构及其制造方法以及水表,顶尖结构包括：头部和底部,所述头部和所述底部匹配连接,所述头部和所述底部一体注塑成型设置。顶尖结构的制造方法,制作所述的顶尖结构的模具,将所述底部作为嵌件置于所述模具中,再将熔融的所述头部的制作材料倒入所述模具中,从而完成所述头部和所述底部一体注塑成型。水表,包括所述的顶尖结构。在本申请中,头部和底部采用一体注塑成型设置,无组装环节且无需粘合剂,从而使头部和底部的连接更为牢固,减少了加工工序,缩短了生产周期,降低了制造费用；此外,由于本申请采用一体注塑成型设置,头部由切削成型变为注塑成型,其技术精度能够达到R小于0.3的水平,提高了产品良率。(The application discloses top structure and manufacturing method and water gauge thereof, top structure includes: the head and the bottom are connected in a matching mode, and the head and the bottom are arranged in an integral injection molding mode. The manufacturing method of the tip structure comprises the steps of manufacturing a die of the tip structure, placing the bottom as an insert in the die, and pouring the molten manufacturing material of the head into the die, so that the integral injection molding of the head and the bottom is completed. The water meter comprises the center structure. In the application, the head part and the bottom part are integrally formed by injection molding, and no assembly link and adhesive are needed, so that the connection between the head part and the bottom part is firmer, the processing procedures are reduced, the production period is shortened, and the manufacturing cost is reduced; in addition, because this application adopts integrative injection moulding to set up, the head becomes injection moulding by cutting forming, and its technical precision can reach the level that R is less than 0.3, has improved the product yield.)

1. A tip construction, comprising: the head and the bottom are connected in a matching mode, and the head and the bottom are arranged in an integral injection molding mode.

2. The tip construction of claim 1, wherein said head portion comprises: the free part is connected with the connecting part, and the connecting part is connected with the bottom in a matching manner.

3. The tip construction of claim 2, wherein the cross-section of the free portion has a tapered configuration.

4. A tip construction according to claim 2 or 3, wherein the first end of the base portion is provided with a concave arcuate formation.

5. The tip construction of claim 4, wherein an end surface area of the first end of the base is less than an end surface area of the second end of the base.

6. A tip construction according to any one of claims 1 to 3, wherein the head portion is formed from a plastics material.

7. A tip construction according to any one of claims 1 to 3, wherein said base is formed from a metallic material.

8. A water meter comprising a tip construction according to any one of claims 1 to 7.

9. A method of manufacturing a tip structure, characterized by manufacturing a mold of the tip structure according to any one of claims 1 to 8, placing the bottom portion as an insert in the mold, and pouring a molten manufacturing material of the head portion into the mold, thereby completing integral injection molding of the head portion and the bottom portion.

10. The method of manufacturing of claim 9, wherein the bottom portion is made of a material having a melting point higher than a material of the head portion.

Technical Field

The application belongs to the technical field of tip structures, and particularly relates to a tip structure, a manufacturing method of the tip structure and a water meter.

Background

The tip structure of the prior art is shown in fig. 1, a preformed groove is formed on a metal part 1, an adhesive, such as 502 glue, is coated on a plastic part 2, and the plastic part 2 is bonded with the metal part 1 in a pressing mode. And after the adhesive is solidified, cutting and forming the plastic part 2 to obtain a finished part. The bonding method used by the plastic part 2 in the prior art has the conditions of glue overflow, incomplete pressing, falling off and the like, and finally the finished product rate is low; in addition, the subsequent plastic part 2 needs to be cut and processed, the processing cost is high, the processing period is long, and the poor risk caused by adhesion still exists after the processing; furthermore, the tip 3 of the plastic part 2 often fails to meet the requirement of a technical accuracy R of 0.3 after cutting.

Disclosure of Invention

Aiming at the defects or shortcomings of the prior art, the technical problem to be solved by the application is to provide a centre structure, a manufacturing method thereof and a water meter.

In order to solve the technical problem, the application is realized by the following technical scheme:

the application provides a top structure, include: the head and the bottom are connected in a matching mode, and the head and the bottom are arranged in an integral injection molding mode.

Further, the tip structure described above, wherein the head portion includes: the free part is connected with the connecting part, and the connecting part is connected with the bottom in a matching manner.

Further, in the tip structure, a cross section of the free portion has a tapered structure.

Further, in the tip structure, the first end of the bottom is provided with an inwards concave arc-shaped structure.

Further, in the tip structure, an area of an end surface of the first end of the bottom portion is smaller than an area of an end surface of the second end of the bottom portion.

Further, in the tip structure, the head is made of a plastic material.

Further, in the tip structure, the bottom is made of a metal material.

The application also provides a water meter, including foretell top structure.

The application also provides a manufacturing method of the tip structure, the die of the tip structure is manufactured, the bottom is used as an insert and placed in the die, and then the melted manufacturing material of the head is poured into the die, so that the integral injection molding of the head and the bottom is completed.

Further, in the manufacturing method of the tip structure, a melting point of a material for manufacturing the bottom portion is higher than a melting point of a material for manufacturing the head portion.

Compared with the prior art, the method has the following technical effects:

in the application, the head part and the bottom part are arranged by adopting integral injection molding, the connection mode of chemical adhesives adopted in the prior art is changed, no assembly link is required, and no adhesives are required, so that the connection of the head part and the bottom part is firmer, the processing procedures are reduced, the production period is shortened, and the manufacturing cost is reduced; in addition, because this application adopts integrative injection moulding to set up, the head becomes injection moulding by cutting forming, and its technical precision can reach the level that R is less than 0.3, has improved the product yield.

In the application, the first end of the bottom is provided with the concave cambered surface structure, the connection between the bottom and the head can be more reliable due to the concave cambered surface structure, and the cambered surface structure has the advantage of convenience in processing and is beneficial to industrial production; the terminal surface area of the first end of bottom is less than the terminal surface area of the second end of bottom to make the first end and the ARC structure of head parcel bottom, further promote the connection reliability of head and bottom.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1: a schematic view of a tip configuration of the prior art;

FIG. 2: a schematic view of a tip structure in an embodiment of the present application;

FIG. 3: a schematic head of a tip structure in an embodiment of the present application;

FIG. 4: a bottom schematic view of a tip structure in an embodiment of the present application;

in the figure: the metal part 1, the plastic part 2, the top prong 3, the head 4, the free portion 41, the connecting portion 42, the bottom portion 5, the first end 51, the second end 52 and the arc-shaped structure 53.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In one embodiment of the present application, as shown in fig. 2, a tip structure includes: the head part 4 and the bottom part 5 are connected in a matching mode, and the head part 4 and the bottom part 5 are integrally formed in an injection molding mode.

In the embodiment, the head part 4 and the bottom part 5 are arranged by integral injection molding, so that a chemical adhesive connection mode adopted in the prior art is changed, an assembly link is omitted, and an adhesive is not required, so that the head part 4 and the bottom part 5 are connected more firmly, the processing procedures are reduced, the production period is shortened, and the manufacturing cost is reduced; in addition, since the present embodiment adopts the integral injection molding arrangement, the head 4 is changed from the cutting molding to the injection molding, and the technical precision thereof can reach a level where R is less than 0.3.

Specifically, as shown in fig. 3, the head 4 includes: the free portion 41 and the connecting portion 42 are connected, the free portion 41 is connected with the connecting portion 42, and the connecting portion 42 is connected with the bottom portion 5 in a matching mode.

In this embodiment, the free portion 41 is connected to the impeller shaft of the water meter described below, and the connecting portion 42 is connected to the bottom portion 5 in a matching manner by injection molding, so that the combination is firmer and more accurate than the combination in the prior art in which an adhesive is used, which is more beneficial to improving the accuracy of the water meter described below.

Specifically, the section of the free portion 41 has a tapered structure to realize the function of supporting the rotation of the impeller shaft, and the tapered structure is formed by integral injection molding, so that subsequent processing is not required, and the precision and yield of the product can be improved.

Optionally, as shown in fig. 4, the first end 51 of the bottom 5 is provided with a concave arc-shaped structure 53.

In this embodiment, the concave arc-shaped structure 53 enables the bottom portion 5 and the connecting portion 42 to be reliably connected, and the arc-shaped structure 53 has the advantage of being convenient to process, and is beneficial to industrial production. Compared with the existing linear structure and the like, the concave arc-shaped structure 53 has a larger contact area with the connecting portion 42 in the head portion 4, and the connection stability of the two is further improved by injection molding.

Further, the end surface area of the first end 51 of the bottom portion 5 is smaller than the end surface area of the second end 52 of the bottom portion 5, so that the connecting portion 42 wraps the first end 51 of the bottom portion 5 and the cambered surface structure 53, and the connection reliability of the head portion 4 and the bottom portion 5 is further improved.

Optionally, the head 4 is made of a plastic material to resist wear, corrosion, etc.

Optionally, the plastic material includes, but is not limited to, polyamide, polyphenylene sulfide, or polycarbonate, among others.

Optionally, the bottom 5 is made of a metal material to enhance the rigidity of the bottom 5.

Optionally, the metal material includes, but is not limited to, stainless steel or aluminum alloy, and the like.

The application also provides a manufacturing method of the tip structure, the die of the tip structure is manufactured, the bottom part 5 is used as an insert and is placed in the die, and then the melted manufacturing material of the head part 4 is poured into the die, so that the integral injection molding of the head part 4 and the bottom part 5 is completed.

The tip structure referred to therein is described in detail above and will not be described in detail here.

Specifically, the melting point of the material for the bottom portion 5 is higher than the melting point of the material for the head portion 4, so that the melting of the bottom portion 5 caused by the molten material for the head portion 4 poured into the mold is avoided.

This application has still provided a water gauge, includes: the tip structure.

Specifically, the water meter of this embodiment further includes: the head part 4 is matched with the impeller shaft.

The tip structure referred to therein is described in detail above and will not be described in detail here.

In the application, the head part 4 and the bottom part 5 are arranged by adopting integral injection molding, the connection mode of chemical adhesives adopted in the prior art is changed, no assembly link is required, and no adhesive is required, so that the connection of the head part 4 and the bottom part 5 is firmer, the processing procedures are reduced, the production period is shortened, and the manufacturing cost is reduced; in addition, because this application adopts integrative injection moulding to set up, head 4 becomes injection moulding by cutting forming, and its technical accuracy can reach the level that R is less than 0.3, has improved the product yield.

In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.