Precise injection molding part with special-shaped shell

By designing connection structures and reinforcement structures in the precision injection molding of special-shaped shells, the problems of rapid assembly and reinforcement are solved, and rapid positioning, tight fit of the shell, and improved support strength are achieved.

CN223442888UActive Publication Date: 2025-10-17KUNSHAN HENGRUITONG PRECISION HARDWARE ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422673530.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-17
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

Existing special-shaped precision injection-molded shell parts are not easy to quickly position and strengthen during the assembly process, which easily leads to damage and deformation of the shell.

Method used

A connection structure and a reinforcement structure are designed, including a limit groove, a docking groove, a connection block, a docking block, a first reinforcement rib and a second reinforcement rib, etc. Rapid assembly is achieved through the snap-fit ​​structure, and the support strength of the shell is improved through reinforcement ribs and reinforcement ribs.

Benefits of technology

It achieves rapid assembly and tight fitting of special-shaped shells, enhances the supporting strength of the shells, and avoids deformation caused by external forces.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223442888U_ABST
    Figure CN223442888U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of precise injection molding parts, and provides a special-shaped shell precise injection molding part, which comprises a shell and a placing groove, the shell comprises the placing groove, a built-in cavity, a connecting structure and a reinforcing structure, the placing groove is arranged at the middle position of the top end of the shell, the built-in cavity is arranged in the shell, and the connecting structure is arranged in the built-in cavity. A connecting structure is arranged on the outer side of the shell, and a reinforcing structure is fixed in the built-in cavity. According to the utility model, through the arrangement of the connecting structure, the butt joint block is aligned with the butt joint groove for rapid positioning, and then the butt joint block slides in the butt joint groove, so that the butt joint block and the butt joint groove form a clamping structure through the limiting groove, two groups of shells can be rapidly assembled, and the process of assembling the shells is accelerated; and the two groups of shells can be tightly attached, so that the overall appearance is not influenced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of precision injection molding parts, especially to a special-shaped shell precision injection molding part. BACKGROUND

[0002] The precision injection molding part is produced by an injection molding machine and is a high-precision injection molding production method, which is usually used to manufacture industrial and civilian products such as aerospace, automobile parts, precision instruments, sports equipment, and detection tools. The special-shaped shell precision injection molding part is a plastic product with complex shape and high dimensional accuracy, which is usually used as a key component in high-tech products and precision equipment.

[0003] The existing special-shaped shell precision injection molding part is not convenient to assemble and position the special-shaped shell during use, which may cause damage to the shell during assembly and make it difficult to strengthen the shell, thus causing the shell to deform under external force. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a special-shaped shell precision injection molding part to solve the problem of inconvenient assembly and strengthening of the existing special-shaped shell precision injection molding part.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a special-shaped shell precision injection molding part, comprising a shell and a placing groove.

[0006] The shell comprises a placing groove, an internal cavity, a connecting structure, and a reinforcing structure. The placing groove is arranged at the middle position of the top end of the shell. The internal cavity is arranged inside the shell.

[0007] The outer side of the shell is provided with a connecting structure.

[0008] The internal cavity is fixed with a reinforcing structure.

[0009] Preferably, the top view of the placing groove is circular, the top view of the internal cavity is circular, and the bottom end of the internal cavity extends to the outside of the shell through the bottom end of the shell.

[0010] Preferably, the connecting structure comprises a limiting groove, a butt joint groove, a connecting block, and a butt joint block. The limiting groove is arranged on the outer side of the shell. The butt joint groove is arranged on one side of the limiting groove inside the shell. The connecting block is fixed on the side of the shell away from the limiting groove. The butt joint block is fixed on one side of the connecting block.

[0011] Preferably, the top view of the butt joint groove is circular. The limiting groove and the butt joint groove are connected. The limiting groove is arranged in several groups, and the limiting grooves are distributed at equal intervals on the outer side of the shell.

[0012] Preferably, the connecting blocks are provided in two groups, the connecting blocks are symmetrically distributed on one side of the shell, the butt joint groove and the butt joint block form a clamping structure through the limiting groove, and the butt joint groove and the butt joint block are in sliding connection.

[0013] Preferably, the reinforcing structure comprises a first reinforcing rib, a second reinforcing rib, a first reinforcing rib and a second reinforcing rib, one side of the top end of the built-in cavity is fixed with the first reinforcing rib, the other side of the top end of the built-in cavity is fixed with the second reinforcing rib, one side of the built-in cavity is fixed with the first reinforcing rib, and the other side of the built-in cavity is fixed with the second reinforcing rib.

[0014] Preferably, the first reinforcing rib and the second reinforcing rib are provided in several groups, the first reinforcing rib and the second reinforcing rib are equidistantly distributed on the top end of the built-in cavity, the first reinforcing rib and the second reinforcing rib are symmetrically distributed on the top end of the built-in cavity, the first reinforcing rib and the second reinforcing rib are provided in several groups, the first reinforcing rib and the second reinforcing rib are equidistantly distributed on the two sides of the built-in cavity, and the first reinforcing rib and the second reinforcing rib are equidistantly staggered with the first reinforcing rib and the second reinforcing rib, respectively.

[0015] The special-shaped shell precision injection molding part has the advantages that:

[0016] By setting the connecting structure, the butt joint block is quickly positioned by aligning the butt joint groove, and then the butt joint block slides in the butt joint groove, so that the butt joint block and the butt joint groove form a clamping structure through the limiting groove, thereby quickly assembling the two groups of shells, speeding up the process of assembling the shells, and enabling the two groups of shells to be closely fitted, so that the overall appearance is not affected.

[0017] By setting the reinforcing structure, the first reinforcing rib and the second reinforcing rib are set to support the top end inside the built-in cavity, thereby enhancing the supporting strength of the shell, and the first reinforcing rib and the second reinforcing rib are equidistantly fixed on the two sides of the inner wall of the built-in cavity, thereby preventing the shell from deforming under external force. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a front view cross-sectional structure schematic view of the utility model;

[0020] Figure 3 It is a three-dimensional cross-sectional structure schematic view of the utility model;

[0021] Figure 4 It is a Figure 3 It is an enlarged structure schematic view of A in the middle;

[0022] Figure 5 The utility model discloses a top view cross section structure schematic diagram.

[0023] The figure mark explanation: 1, the shell, 101, the placement groove, 102, the built -in chamber, 103, the connecting structure, 1031, the limiting slot, 1032, the butt joint groove, 1033, the connecting block, 1034, the butt joint block, 104, the reinforcing structure, 1041, the first reinforcing rib, 1042, the second reinforcing rib, 1043, the first reinforcing rib, 1044, the second reinforcing rib. DETAILED DESCRIPTION

[0024] The utility model discloses an embodiment of the utility model will be clearly and completely described below with the drawings in the embodiment of the utility model to the technical scheme in the embodiment of the utility model, obviously, the described embodiment only is a part of embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor all belong to the range of protection of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a special-shaped shell precision injection -molding part, including shell 1 and placement groove 101.

[0026] Referring to Figure 1 , Figure 2 and Figure 5 , shell 1 includes placement groove 101, built -in chamber 102, connecting structure 103 and reinforcing structure 104, and the placement groove 101 is arranged at the middle position of the top end of the shell 1, the inside of the shell 1 is provided with the built -in chamber 102, the top view cross section of the placement groove 101 is circularly arranged, the top view cross section of the built -in chamber 102 is circularly arranged, the bottom end of the built -in chamber 102 extends to the outside of the shell 1 through the bottom end of the shell 1, the outside of the shell 1 is provided with the connecting structure 103, the connecting structure 103 includes the limiting slot 1031, the butt joint groove 1032, the connecting block 1033 and the butt joint block 1034, the limiting slot 1031 is arranged at the outside of the shell 1, one side of the limiting slot 1031 in the inside of the shell 1 is provided with the butt joint groove 1032, the connecting block 1033 is fixed on the side of the shell 1 away from the limiting slot 1031, and the butt joint block 1034 is fixed on one side of the connecting block 1033. The top view cross section of the butt joint groove 1032 is circularly arranged, the limiting slot 1031 is connected with the inside of the butt joint groove 1032, the limiting slot 1031 is provided with a plurality of groups, and the limiting slot 1031 is distributed at equal intervals on the outside of the shell 1. The connecting block 1033 is provided with two groups, and the connecting block 1033 is symmetrically distributed on one side of the shell 1. The butt joint groove 1032 and the butt joint block 1034 form a clamping structure through the limiting slot 1031, and the butt joint groove 1032 and the butt joint block 1034 are in sliding connection.

[0027] Through the quick positioning by aligning the abutting block 1034 with the abutting groove 1032, and then sliding the abutting block 1034 in the inside of the abutting groove 1032, the abutting block 1034 and the abutting groove 1032 form the clamping structure through the limiting groove 1031, thereby the two groups of shell bodies 1 can be quickly assembled, the process of assembling the shell body 1 is accelerated, and the two groups of shell bodies 1 can be closely attached, so that the overall appearance is not affected.

[0028] Referring to Figures 2-5 As shown in the figure, the inside of the built-in cavity 102 is fixed with a reinforcing structure 104, the reinforcing structure 104 includes a first reinforcing rib 1041, a second reinforcing rib 1042, a first reinforcing rib 1043 and a second reinforcing rib 1044, the first reinforcing rib 1041 is fixed on one side of the top end of the built-in cavity 102, the other side of the top end of the built-in cavity 102 is fixed with the second reinforcing rib 1042, one side of the built-in cavity 102 is fixed with the first reinforcing rib 1043, the other side of the built-in cavity 102 is fixed with the second reinforcing rib 1044, the first reinforcing rib 1041 and the second reinforcing rib 1042 are provided in several groups, the first reinforcing rib 1041 and the second reinforcing rib 1042 are distributed at equal intervals at the top end of the built-in cavity 102, the first reinforcing rib 1041 and the second reinforcing rib 1042 are symmetrically distributed at the top end of the built-in cavity 102, the first reinforcing rib 1043 and the second reinforcing rib 1044 are provided in several groups, the first reinforcing rib 1043 and the second reinforcing rib 1044 are distributed at equal intervals on both sides of the inside of the built-in cavity 102, the first reinforcing rib 1043 and the second reinforcing rib 1044 are respectively set apart at equal intervals from the first reinforcing rib 1041 and the second reinforcing rib 1042.

[0029] By setting the first reinforcing rib 1041 and the second reinforcing rib 1042, the top end inside the built-in cavity 102 is supported, and the support strength of the shell body 1 is strengthened, and at the same time, the first reinforcing rib 1043 and the second reinforcing rib 1044 are fixed at equal intervals on both sides of the inner wall of the built-in cavity 102, so that the shell body 1 is not easy to deform when subjected to external force.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A special-shaped housing precision injection molded part, comprising a housing (1) and a placement groove (101); Its characteristics are: The housing (1) comprises a placement groove (101), a built-in cavity (102), a connection structure (103) and a reinforcement structure (104); the placement groove (101) is arranged at the middle position of the top end of the housing (1); and the built-in cavity (102) is arranged inside the housing (1); A connecting structure (103) is provided on the outer side of the housing (1); A reinforcement structure (104) is fixed inside the built-in cavity (102).

2. The special-shaped housing precision injection molded part according to claim 1, characterized in that: The placement groove (101) is circular in cross-section when viewed from above, and the built-in cavity (102) is annular in cross-section when viewed from above. The bottom end of the built-in cavity (102) passes through the bottom end of the shell (1) and extends to the outside of the shell (1).

3. The special-shaped housing precision injection molded part according to claim 1, characterized in that: The connection structure (103) comprises a limiting groove (1031), a docking groove (1032), a connection block (1033) and a docking block (1034); the limiting groove (1031) is arranged on the outside of the shell (1); a docking groove (1032) is arranged on one side of the limiting groove (1031) inside the shell (1); a connection block (1033) is fixed on a side of the shell (1) away from the limiting groove (1031); and a docking block (1034) is fixed on one side of the connection block (1033).

4. The special-shaped housing precision injection molded part according to claim 3, characterized in that: The cross-section of the docking groove (1032) is circular when viewed from above, the limiting groove (1031) is connected to the interior of the docking groove (1032), and the limiting grooves (1031) are provided in a plurality of groups. The limiting grooves (1031) are distributed at equal intervals on the outside of the shell (1).

5. The special-shaped housing precision injection molded part according to claim 3, characterized in that: Two groups of the connecting blocks (1033) are provided. The connecting blocks (1033) are symmetrically distributed on one side of the housing (1). The docking grooves (1032) and the docking blocks (1034) form a snap-fit ​​structure via the limiting grooves (1031). The docking grooves (1032) and the docking blocks (1034) are slidably connected.

6. The special-shaped housing precision injection molded part according to claim 1, characterized in that: The reinforcing structure (104) comprises a first reinforcing rib (1041), a second reinforcing rib (1042), a first reinforcing rib (1043) and a second reinforcing rib (1044), wherein the first reinforcing rib (1041) is fixed to one side of the top of the built-in cavity (102), the second reinforcing rib (1042) is fixed to the other side of the top of the built-in cavity (102), the first reinforcing rib (1043) is fixed to one side of the built-in cavity (102), and the second reinforcing rib (1044) is fixed to the other side of the built-in cavity (102).

7. The special-shaped housing precision injection molded part according to claim 6, characterized in that: The first reinforcing ribs (1041) and the second reinforcing ribs (1042) are both provided in a plurality of groups, the first reinforcing ribs (1041) and the second reinforcing ribs (1042) are distributed at equal intervals at the top end of the built-in cavity (102), the first reinforcing ribs (1041) and the second reinforcing ribs (1042) are symmetrically distributed at the top end of the built-in cavity (102), the first reinforcing ribs (1043) and the second reinforcing ribs (1044) are provided in a plurality of groups, the first reinforcing ribs (1043) and the second reinforcing ribs (1044) are distributed at equal intervals on both sides of the interior of the built-in cavity (102), and the first reinforcing ribs (1043) and the second reinforcing ribs (1044) are staggered at equal intervals with the first reinforcing ribs (1041) and the second reinforcing ribs (1042).