CN219587908U

CN219587908U - Plastic part connecting structure

Info

Publication number: CN219587908U
Application number: CN202320376296.1U
Authority: CN
Inventors: 邰宜莹; 佘德举; 吕林桂
Original assignee: Hefei Qianli Plastic Mould Co ltd
Current assignee: Hefei Qianli Plastic Mould Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-25
Anticipated expiration: 2033-02-28

Abstract

The utility model relates to the technical field of plastic part connection, in particular to a plastic part connection structure, which comprises a plastic part A and a plastic part B correspondingly connected with the plastic part A, wherein two convex inserting parts are arranged on the bottom surface of the plastic part A, the inserting parts are symmetrically distributed on the bottom surface of the plastic part A left and right, the cross section of each inserting part is an inverted T-shaped strip, the position, corresponding to the inserting parts, of the top surface of the plastic part B is provided with an embedding part for embedding the inserting parts, limiting parts for limiting displacement between the connection structures are arranged between the inserting parts, and limiting grooves for clamping the limiting parts are arranged between the embedding parts. The problem of current working of plastics connection structure need auxiliary parts, can bring wearing and tearing and artifical dismouting time and energy for the working of plastics when the dismouting to and glue modes such as bring the damage to the working of plastics and lead to the fact extravagant is solved.

Description

Plastic part connecting structure

Technical Field

The utility model relates to the technical field of plastic part connection, in particular to a plastic part connection structure.

Background

The plastic is widely applied to medical equipment, automobiles, daily necessities and the like because of light weight, good impact resistance, good transparency, good insulativity, good formability, good colorability and low processing cost, most of the existing plastic parts are connected in a clamping type, gluing type, screwing type, hinging type and other modes, most of the existing plastic parts are required to be connected by auxiliary parts such as screws or clamping pieces, if the auxiliary parts are not used, poor connection stability can be caused, the plastic parts are worn if the auxiliary parts are frequently dismounted after the auxiliary parts are used, manual operation is required during dismounting, time and labor are wasted, the two connecting parts are connected by using adhesive materials such as glue in the gluing type and the like, the two connecting parts cannot be reused after being dismounted, and the cost is increased.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a plastic part connecting structure, which solves the problems that the existing plastic part connecting structure needs auxiliary parts, abrasion is brought to the plastic part during disassembly, manual disassembly is time-consuming and labor-consuming, and the plastic part is damaged in a cementing mode and the like to cause waste.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the plastic part connecting structure comprises a plastic part A and a plastic part B correspondingly connected with the plastic part A, wherein two convex inserting parts are arranged on the bottom surface of the plastic part A, the inserting parts are symmetrically distributed on the bottom surface of the plastic part A left and right, the cross section of each inserting part is an inverted T-shaped strip, and an embedding part for embedding the inserting part is arranged on the top surface of the plastic part B corresponding to the position of each inserting part;

preferably, the embedded part is in a strip shape and protrudes out of the top surface of the plastic part B, the cross section of the inside of the embedded part is an inverted T-shaped empty groove, the upper part of the empty groove penetrates through the top surface of the embedded part, the front part penetrates through the front end of the embedded part, and the rear end of the embedded part is in a closed arrangement;

limiting parts for limiting the displacement between the connecting structures are arranged between the inserting parts, and limiting grooves for the limiting parts to be clamped in are arranged between the embedding parts.

Preferably, the length of the insertion portion is shorter than the length of the fitting portion, and the end of the insertion portion corresponds to the rear end of the hollow groove.

Preferably, the spacing portion includes the connecting block of connecting working of plastics A bottom surface, and connecting block bottom both sides are equipped with the rectangular shape spacing that can insert the spacing groove, and rectangular shape spacing outside is equipped with rectangular shape recess, is equipped with the limiting plate between the rectangular shape spacing, and the front end and the connecting block of limiting plate are connected, and the corner top position of rear end is equipped with wedge fixture block.

Preferably, a gap for the limiting plate to move during plugging is reserved between the limiting plate and the strip-shaped limiting strip, and the bottom surface of the limiting plate is positioned on the bottom surface of the strip-shaped limiting strip.

Preferably, the limit groove is a cuboid which is hollow in the inside and penetrates through the front and the back, and strip-shaped inserting strips which penetrate through the front and the back and protrude are arranged on the inner walls of the left side and the right side of the limit groove.

Preferably, the connection parts between the two sides of the embedded part and the top surface of the plastic part B are provided with reinforcing ribs for reinforcing stress, and the reinforcing ribs are triangular in number.

(III) beneficial effects

Compared with the prior art, the utility model provides a plastic part connecting structure, which has the following beneficial effects:

through setting up rectangular shape grafting portion and plastic part B at plastic part A and setting up rectangular shape gomphosis portion in corresponding position, the gomphosis route is longer, and when two plastic parts were inlayed together, the mutual card was prevented horizontal displacement, and gomphosis portion rear end is closed setting simultaneously, has restricted the degree of depth of grafting portion, reduces the possible emergence of shifting.

Through setting up spacing portion and spacing groove cooperation, after grafting portion embedding gomphosis portion is in place, the wedge fixture block on the spacing portion blocks the spacing groove rear end automatically, has avoided the front and back displacement of two working of plastics, has reduced auxiliary parts's use, only need press down the wedge fixture block of spacing portion when need unpacking the working of plastics, can accomplish the working of plastics and unpack the demand, labour saving and time saving has avoided the damage of working of plastics, has practiced thrift the cost, has brought the facility for the staff.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram showing the split structure of a plastic part A and a plastic part B according to the present utility model;

FIG. 2 is a schematic diagram showing the mating of the mating portion and the engaging portion of the present utility model;

FIG. 3 is a schematic diagram showing the cooperation of the limiting part and the limiting groove;

FIG. 4 is a schematic view of the utility model showing the connection state of the plastic part A and the plastic part B;

fig. 5 is a schematic rear view of the plastic part a and the plastic part B in the connection state of the present utility model.

Reference numerals illustrate:

1. a plastic part A;

2. a plastic part B;

3. a plug-in part;

4. a fitting portion; 41. a hollow groove; 42. reinforcing ribs;

5. a limit part; 51. a connecting block; 52. a strip-shaped limit bar; 53. a strip-shaped groove; 54. a limiting plate; 55. a clamping block;

6. a limit groove; 61. an elongated plug strip.

Detailed Description

The following detailed description of embodiments of the present utility model will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Fig. 1-5 are an embodiment of the present utility model, a plastic part connection structure, including a plastic part A1 and a plastic part B2 corresponding to the plastic part A1, wherein a protruding insertion part 3 is integrally formed on a bottom surface of the plastic part A1, an embedded part 4 for embedding the insertion part 3 is provided on a top surface of the plastic part B2 corresponding to the insertion part 3, a limiting part 5 for limiting displacement between the connection structures is provided between the insertion parts 3, a limiting groove 6 for clamping the limiting part 5 is provided between the embedded parts 4, and in actual operation, the insertion part 3 is inserted into the embedded part 4, so that the plastic part A1 is connected with the plastic part B2, and meanwhile, the limiting part 5 is clamped with the limiting groove 6, so that quick and convenient connection between two plastic parts is achieved in a drawing and inserting manner.

The plug-in part 3 is symmetrically distributed on the bottom surface of the plastic part A1 left and right, the cross section of the plug-in part 3 is an inverted T-shaped strip 31, the length of the plug-in part 3 is shorter than the length of the embedded part 4, the rear end of the plug-in part 3 corresponds to the rear end of the empty slot 41, the embedded part 4 is in a strip shape and protrudes out of the top surface of the plastic part B2, the cross section of the inside of the embedded part 4 is an inverted T-shaped empty slot 41, the upper part of the empty slot 41 penetrates through the top surface of the embedded part 4, the front part penetrates through the front end of the embedded part 4, the rear end of the embedded part 4 is in a closed arrangement, in the practical operation, the inverted T-shaped strip 31 of the plug-in part 3 is aligned with the inverted T-shaped empty slot 41, the embedded part 4 and the plug-in part 3 are in a strip shape, the situation of left and right shifting can not easily occur due to long path after the plug-in part 3 is inserted, meanwhile, the length of the plug-in part 3 is shorter than the length of the embedded part 4, the rear wall of the strip 31 completely embeds against the rear end of the embedded part 4, the front end of the embedded part 41 completely enters the empty slot 41, and the empty slot 41 completely fits completely.

The spacing portion 5 includes connecting block 51 of connecting plastic part A1 bottom surface, connecting block 51 bottom both sides are equipped with the rectangular shape spacing strip 52 that can insert spacing groove 6, rectangular shape spacing strip 52 outside is equipped with rectangular shape recess 53, be equipped with limiting plate 54 between rectangular shape spacing strip 52, the front end and the connecting block 51 of limiting plate 54 are connected, the corner top position of rear end is equipped with wedge fixture block 55, in actual operation, when inserting the empty groove 41 of the reverse T shape of inserting portion 4 of inserting portion 3 alignment gomphosis portion 5, spacing portion 5 also inserts spacing groove 6, when rectangular shape spacing strip 52 inserts spacing groove 6, limiting plate 54 and fixture block 55 are pushed down to the top surface of spacing groove 6, rebound upwards after the propelling movement is put in place, the rear end edge of clamping block 6 top surface, when two connecting pieces need to disassemble, can push out plastic part A2 before pushing down fixture block 55.

A gap for the limiting plate 54 to move when being inserted is reserved between the limiting plate 54 and the strip-shaped limiting strip 52, the bottom surface of the limiting plate 54 is positioned on the bottom surface of the strip-shaped limiting strip 52, and the limiting plate 54 and the clamping block 55 can be pressed downwards to rebound when working.

The spacing groove 6 is inside cavity and the cuboid that link up from front to back, spacing groove 6 working of plastics B2 top surface integrated into one piece, and is equipped with the rectangular shape grafting strip 61 that link up front and back and convex with spacing groove 6 left and right sides inner wall, at work, rectangular shape recess 53 and rectangular shape grafting strip 61 cooperation increase the stability of spacing portion 5 and spacing groove 6 laminating, effectively prevent the loose displacement between the connecting piece.

The joint of the two sides of the embedded part 4 and the top surface of the plastic part B2 is provided with a plurality of reinforcing ribs 42 for reinforcing stress, the reinforcing ribs 42 are triangular, and after the connecting parts are connected, the connecting parts are prevented from being damaged due to overlarge force.

The length and the width of the limiting part 5 and the limiting groove 6 are matched, after the limiting part 5 is inserted into the limiting groove 6 in place, the clamping block 55 is just clamped on the rear side of the limiting groove 6, and meanwhile, the connecting block 51 is attached to the front end of the limiting groove 6.

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

Claims

1. The utility model provides a plastic part connection structure, includes plastic part A (1) and with its corresponding plastic part B (2) of being connected, its characterized in that: two convex inserting parts (3) are arranged on the bottom surface of the plastic part A (1), the inserting parts (3) are symmetrically distributed on the bottom surface of the plastic part A (1) left and right, the cross section of each inserting part (3) is an inverted T-shaped strip (31), and an embedding part (4) for embedding the inserting part (3) is arranged on the top surface of the plastic part B (2) corresponding to the position of the inserting part (3);

the embedded part (4) is in a strip shape and protrudes out of the top surface of the plastic part B (2), the cross section of the inside of the embedded part (4) is an inverted T-shaped empty groove (41), the upper part of the empty groove (41) penetrates through the top surface of the embedded part (4), the front part of the empty groove penetrates through the front end of the embedded part (4), and the rear end of the embedded part (4) is in a closed arrangement;

limiting parts (5) for limiting the displacement between the connecting structures are arranged between the inserting parts (3), and limiting grooves (6) for clamping the limiting parts (5) are arranged between the embedding parts (4).

2. A plastic part connecting structure according to claim 1, wherein: the length of the inserting part (3) is shorter than that of the embedded part (4), and the tail end of the inserting part (3) corresponds to the rear end of the empty groove (41).

3. A plastic part connecting structure according to claim 1, wherein: spacing portion (5) are including connecting block (51) of working of plastics A (1) bottom surface, and connecting block (51) bottom both sides are equipped with rectangular shape spacing (52) that can insert spacing groove (6), and rectangular shape spacing (52) outside is equipped with rectangular shape recess (53), is equipped with limiting plate (54) between rectangular shape spacing (52), and the front end and the connecting block (51) of limiting plate (54) are connected, and the corner top position of rear end is equipped with wedge fixture block (55).

4. A plastic part connecting structure according to claim 3, wherein: a gap for the limiting plate (54) to move during insertion is reserved between the limiting plate (54) and the strip-shaped limiting strip (52), and the bottom surface of the limiting plate (54) is positioned above the bottom surface of the strip-shaped limiting strip (52).

5. A plastic part connecting structure according to claim 1, wherein: the limiting groove (6) is a cuboid which is hollow in the inside and is penetrated front and back, and strip-shaped inserting strips (61) which penetrate front and back and protrude are arranged on the inner walls of the left side and the right side of the limiting groove (6).

6. A plastic part connecting structure according to claim 1, wherein: reinforcing ribs (42) for reinforcing stress are arranged at the joints of the two sides of the embedded part (4) and the top surface of the plastic part B (2), and the reinforcing ribs (42) are triangular in number.