CN214808288U

CN214808288U - Plastic table tennis bat

Info

Publication number: CN214808288U
Application number: CN202023245950.0U
Authority: CN
Inventors: 汤忠军; 汤新全; 周荣; 焦彬; 汤计伟
Original assignee: Kunshan Baodeqiang Mould Technology Co ltd
Current assignee: Kunshan Lingsheng New Technology Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-23
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a plastic table tennis bat, which comprises an upper cover and a lower cover which are formed by injection molding, wherein the upper cover and the lower cover are butted to form an integrated bat plate and a handle base body, the outer surface of the upper cover is formed with an upper rubber coating layer by adopting a rubber coating process, and the outer surface of the lower cover is formed with a lower rubber coating layer by adopting a rubber coating process; an upper handle and a lower handle which are manufactured by an injection molding process are coated outside the handle substrate; the plate body formed by the upper cover and the lower cover is of a hollow structure, and an injection molding square body is arranged at the position of the hollow structure corresponding to the ball hitting area. The bottom plate is formed by plastic materials, the shape of the bottom plate can be formed by one-step injection molding, subsequent machining is not needed, the manufacturing process of the table tennis bat is simplified, and the manufacturing cost of the table tennis bat is reduced.

Description

Plastic table tennis bat

Technical Field

The utility model belongs to the technical field of sports goods, a plastic table tennis bat is related to.

Background

The table tennis bat consists of a bottom plate, rubber and sponge, wherein the bottom plate is generally processed by multilayer composite boards. The existing table tennis bat has high processing cost, and the following two main reasons are considered:

1. the granular rubber sheet is attached to the bottom plate by using glue, the attaching process comprises gluing, pressing and cutting, and the processing time is long;

2. the two surfaces of the bottom plate are arc-shaped and need to be milled gradually on a plane, the machining procedure is complex, and the machining cost is extremely high.

In view of this, the utility model aims at providing a table tennis bat with simple processing and low cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: how to improve the production speed of the table tennis bat and reduce the production cost of the table tennis bat.

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

the plastic table tennis bat comprises an upper cover and a lower cover which are formed by injection molding, wherein the upper cover and the lower cover are butted to form an integrated bat plate and a handle substrate, the outer surface of the upper cover is formed with an upper rubber coating layer by adopting a rubber coating process, and the outer surface of the lower cover is formed with a lower rubber coating layer by adopting a rubber coating process; an upper handle and a lower handle which are manufactured by an injection molding process are coated outside the handle substrate; the plate body formed by the upper cover and the lower cover is of a hollow structure, and an injection molding square body is arranged at the position of the hollow structure corresponding to the ball hitting area.

Compared with the prior art, the utility model discloses the beneficial effect who has is: 1. the bottom plate is formed by plastic materials, the shape of the bottom plate can be formed by one-step injection molding, subsequent machining is not needed, the manufacturing process of the table tennis bat is simplified, and the manufacturing cost of the table tennis bat is reduced; 2. the granular rubber is directly formed by adopting a rubber coating process without being laminated by using glue, so that the production speed of the table tennis bat is improved; 3. degradable plastic materials are used for replacing wood boards, so that the wood board is more environment-friendly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is an exploded view of a plastic table tennis bat;

FIG. 2 is a side view of a plastic table tennis bat;

fig. 3 is a sectional view of a plastic table tennis bat.

Detailed Description

The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 3 of the embodiment of the present invention.

Examples

Please refer to the plastic table tennis bat shown in fig. 1, which comprises an injection molded upper cover 10 and a lower cover 20, wherein the upper cover 10 and the lower cover 20 are butted to form an integrated bat panel and handle substrate, an upper rubber layer 30 is formed on the outer surface of the upper cover 10 by a rubber coating process, and a lower rubber layer 40 is formed on the outer surface of the lower cover 20 by a rubber coating process; an upper handle 50 and a lower handle 60 which are made by injection molding are coated outside the handle substrate; the plate body formed by the upper cover 10 and the lower cover 20 is a hollow structure, and an injection molded square body 70 is arranged at the position of the hollow structure corresponding to the hitting area.

The production process of the plastic table tennis bat comprises the following steps:

the first step is as follows: respectively injection-molding an upper handle 50, a lower handle 60, an upper cover 10, a lower cover 20 and a square body 70;

the second step is that: placing the upper cover 10 and the lower cover 20 into corresponding rubber coating molds to form an upper rubber coating layer 30 and a lower rubber coating layer;

the third step: putting the square body 70 into a fixed position in the upper cover 10 or the lower cover 20, and closing the upper cover 10 and the lower cover 20;

the fourth step: an upper handle 50 and a lower handle 60 are mounted on the handle base.

The upper cover 10 and the lower cover 20 can be fixed by screws or epoxy glue. If epoxy is used, the epoxy is injected before the cube 70 in the third step is placed.

The reinforcing ribs 80 are arranged at the corresponding hollow structures of the upper cover 10 and the lower cover 20, so that the hollow area of the clapper can be increased, the weight of the clapper is reduced, and ribs can be formed in the epoxy glue layer, so that the strength of the clapper is improved.

The upper racket handle and the lower racket handle have the same structure, the upper cover 10 and the lower cover 20 have the same structure, and the upper rubber layer 30 and the lower rubber layer have the same structure, so that the production of the table tennis racket can be completed by only being provided with three sets of dies.

Furthermore, the upper cover 10 and the lower cover 20 are connected in a positioning manner by adopting a concave-convex structure. The upper cover 10 is provided with a first protruding column 91 with an insertion hole, the lower cover 20 is provided with a first insertion rod 92, and the first insertion rod 92 is inserted into the first protruding column 91 to form a concave-convex structure. Or, a first plunger 92 is provided in the upper cover 10, a first boss 91 with an insertion hole is provided in the lower cover 20, and the first plunger 92 is inserted into the first boss 91 to form a concave-convex structure. Or, both the first insert rod 92 and the first protruding column 91 are arranged in the upper cover 10 and the lower cover 20, and the upper cover 10 and the lower cover 20 can be produced by adopting a unified die by reasonably arranging the positions of the first insert rod 92 and the first protruding column 91.

Further, the upper handle 50 and the lower handle 60 are fixedly connected through an insertion structure. A second convex column 93 with an insertion hole is arranged in the upper handle 50, a second inserted bar 94 is arranged in the lower handle 60, a through hole is arranged in the handle matrix, and the second inserted bar 94 is inserted into the second convex column 93 to form an insertion structure. Or, the upper handle 50 is provided with a second inserted link 94, the lower handle 60 is provided with a second protruding column 93 with an insertion hole, the handle base body is provided with a through hole, and the second inserted link 94 is inserted into the second protruding column 93 to form an insertion structure. Or, the upper handle 50 and the lower handle 60 are provided with the inserted bar and the second protruding column 93, and the upper handle 50 and the lower handle 60 can be produced by adopting a unified die by reasonably arranging the positions of the inserted bar 94 and the second protruding column 93.

Preferably, the second inserted rod 94 and the second inserted hole of the second protruding column 93 are connected through interference fit.

Furthermore, a plurality of slotted holes I11 are formed in the upper cover 10, and materials for forming the rubber coating layer are filled in the slotted holes to form first connecting rubber nails; the lower cover 20 is provided with a plurality of second slots 21, and the material for forming the lower rubber layer 40 is filled in the second slots to form second connecting rubber nails 41. The rubber coating layer is tightly connected with the corresponding cover body through the connecting rubber nails, so that the rubber sheets are effectively prevented from falling off.

In conclusion, the table tennis bat has the beneficial effects that: 1. the bottom plate is formed by plastic materials, the shape of the bottom plate can be formed by one-step injection molding, subsequent machining is not needed, the manufacturing process of the table tennis bat is simplified, and the manufacturing cost of the table tennis bat is reduced; 2. the granular rubber is directly formed by adopting a rubber coating process without being laminated by using glue, so that the production speed of the table tennis bat is improved; 3. degradable plastic materials are used for replacing wood boards, so that the wood board is more environment-friendly.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The plastic table tennis bat is characterized by comprising an upper cover (10) and a lower cover (20) which are formed by injection molding, wherein the upper cover (10) and the lower cover (20) are butted to form an integrated bat plate and a handle substrate, the outer surface of the upper cover (10) is formed with an upper rubber layer (30) by adopting a rubber coating process, and the outer surface of the lower cover (20) is formed with a lower rubber layer (40) by adopting a rubber coating process; an upper handle (50) and a lower handle (60) which are manufactured by an injection molding process are coated outside the handle substrate; the plate body formed by the upper cover (10) and the lower cover (20) is of a hollow structure, and an injection molding square body (70) is arranged at the position of the hollow structure corresponding to the ball hitting area.

2. The plastic table tennis bat of claim 1, wherein the upper cover (10) and the lower cover (20) are connected in a concave-convex structure.

3. The plastic table tennis bat as claimed in claim 2, wherein a first protruding pillar (91) with an insertion hole is arranged in the upper cover (10), a first insertion rod (92) is arranged in the lower cover (20), and the first insertion rod (92) is inserted into the first protruding pillar (91) to form the concave-convex structure.

4. The plastic table tennis bat as claimed in claim 2, wherein a first plunger (92) is disposed in the upper cover (10), a first boss (91) having an insertion hole is disposed in the lower cover (20), and the first plunger (92) is inserted into the first boss (91) to form the concave-convex structure.

5. The plastic table tennis bat of claim 1, wherein the upper cover (10) and the lower cover (20) are provided with reinforcing ribs (80) corresponding to the hollow structure; epoxy resin glue is filled between the upper cover (10) and the lower cover (20).

6. The plastic table tennis bat of claim 1, wherein the upper cover (10) is provided with a plurality of first slots (11), and a material for molding the upper rubber layer is filled into the first slots to form first connecting rubber nails; and a plurality of second slotted holes (21) are formed in the lower cover (20), and the material for forming the lower rubber layer (40) is filled into the slotted holes to form second connecting rubber nails (41).

7. The plastic table tennis bat of claim 1, wherein the upper handle (50) is fixedly connected with the lower handle (60) through an insertion structure.

8. The plastic table tennis bat of claim 7, wherein a second protruding post (93) with a plug hole is arranged in the upper handle (50), a second inserting rod (94) is arranged in the lower handle (60), a through hole is arranged in the handle base body, and the second inserting rod (94) is inserted into the second protruding post (93) to form the inserting structure.

9. The plastic table tennis bat of claim 7, wherein a second insertion rod (94) is disposed in the upper handle (50), a second protruding column (93) with an insertion hole is disposed in the lower handle (60), a through hole is disposed in the handle base, and the second insertion rod (94) is inserted into the second protruding column (93) to form the insertion structure.

10. The plastic table tennis bat of claim 8 or 9, wherein the second plunger (94) is connected with the second boss (93) through an interference fit.