Monitoring equipment capable of shielding injection molding opening

By installing a removable shield at the injection hole of the monitoring equipment and fixing it with magnetic attraction, snaps and adhesive layers, combined with sealing grooves and sealing rings, the appearance defects and protection risks of the injection hole are solved, and long-term protection and convenient maintenance are achieved.

CN223885447UActive Publication Date: 2026-02-06SHENZHEN WAYTRONIC SECURITY TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520397911.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-02-06
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The injection holes in monitoring equipment are prone to appearance defects and safety hazards, and the existing sealing methods are prone to aging and falling off, making it difficult to effectively protect the circuit board in the long term.

Method used

A detachable shield is used, which is fixed to the housing by magnetic attraction, buckle, adhesive layer, etc. to block the injection hole. Combined with sealing groove and sealing ring, it achieves a seal to prevent dust and moisture from entering.

Benefits of technology

It effectively blocks injection holes, preventing dust and moisture from entering, protecting the circuit board, and facilitating replacement and maintenance, improving product appearance, and meeting environmental protection requirements.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223885447U_ABST
    Figure CN223885447U_ABST
Patent Text Reader

Abstract

The utility model discloses monitoring equipment capable of shielding an injection molding opening, and belongs to the field of security and protection equipment. Comprising a shell and a control circuit board, the control circuit board is installed in the shell, a monitoring module exposed out of the shell is connected to the control circuit board, an injection molding hole is further formed in the shell, and a shielding piece used for shielding the injection molding hole is fixedly installed on the outer wall of the shell. The beneficial effects of the utility model are that compared with the prior art, through installing the shielding sheet on the injection molding hole of the housing, the injection molding hole can be shielded, and the shielding sheet can be fixed on the housing in a plurality of modes, is not easy to fall off, and can effectively protect the circuit board in the housing for a long time.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the security equipment field, especially relate to a monitoring device of injection molding mouth can be shielded. BACKGROUND

[0002] The monitoring device needs to be used outdoors most of the time, has greater collision risk, in order to reduce the damage that the equipment is subjected to when colliding, its shell usually is made of high-strength metal material.

[0003] At present, along with the function diversification of monitoring device, the control mainboard in it usually will be integrated with RFID chip, bluetooth chip, wi-fi and other wireless transmission modules, and the metal shell will influence the transmission of wireless signal to some extent. To solve this problem, part of the shell of the monitoring device will be made of plastic material by injection molding, and during injection molding, the injection molding hole will be reserved on the mold for exhaust and filling injection molding material. After injection molding, the injection molding hole will also be formed on the shell, and the injection molding hole is usually directly exposed on the surface of the shell, which will have the following problems:

[0004] 1. Appearance defect: the hole destroys the overall design of the equipment and reduces the product grade;

[0005] 2. Protection hazard: dust and rainwater are easy to enter the shell through the hole of the injection molding hole, causing the circuit board to short circuit or corrode.

[0006] To solve the above problems, the existing technology usually uses a rubber plug to plug the injection molding hole, but the rubber plug is easy to age and fall off, has a short service life and needs to be replaced frequently. Since the monitoring device is usually installed in a high place, it is extremely inconvenient to replace the parts, so the injection molding hole is exposed as usual. UTILITY MODEL CONTENTS

[0007] To solve the above problems, the utility model aims to provide a monitoring device with an injection molding hole that can be shielded, which can stably shield the injection molding hole of the shell and effectively protect the circuit board in the shell.

[0008] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0009] The utility model provides a monitoring device with an injection molding hole that can be shielded, which comprises a shell, a control circuit board, the control circuit board is installed in the shell, the control circuit board is connected with a monitoring module exposed on the shell, the shell is provided with an injection molding hole, and a shielding piece for shielding the injection molding hole is fixedly installed on the outer wall of the shell.

[0010] Further, the outer side wall of the shell is provided with a mounting groove matched with the shape and size of the shielding piece, the injection molding hole is located on the bottom wall of the mounting groove, and the shielding piece is fixed in the mounting groove.

[0011] Further, the shielding piece is a detachable nameplate which can be used for shielding the injection hole and displaying product or customer information.

[0012] Further, the shielding piece is made of a metal material with magnetism, and a magnet is arranged on the inner side wall of the shell at a position corresponding to the mounting groove.

[0013] Further, a clamping groove is formed on the bottom wall of the mounting groove, and a buckle is arranged on the shielding piece and clamped in the clamping groove.

[0014] Further, a glue layer is arranged on the back side of the shielding piece, and the shielding piece is adhered in the mounting groove through the glue layer.

[0015] Further, the detachable nameplate is made of transparent acrylic material, and the acrylic material is printed with color-changing ink which can display warning colors with temperature change.

[0016] Further, the detachable nameplate is made of degradable biological material and can be degraded to meet the environmental protection requirement.

[0017] Further, an annular sealing groove is formed on the bottom wall of the mounting groove, and a sealing ring is arranged in the sealing groove and between the bottom wall of the mounting groove and the shielding piece.

[0018] Further, the shell comprises a metal base and a plastic upper cover, the plastic upper cover is covered on the metal base to form a cavity, the control circuit board is installed in the cavity, and the injection hole and the mounting groove are arranged on the plastic upper cover.

[0019] Further, a groove is arranged on the edge of the metal base, a sealing ring is installed in the groove, a sealing protrusion corresponding to the sealing ring is arranged on the edge of the plastic upper cover, the front end of the sealing protrusion extends into the groove and abuts against the sealing ring, and the metal base, the sealing ring and the plastic upper cover are fixedly connected through screws.

[0020] Further, an expansion interface connected with the control circuit board is further installed on the plastic upper cover, so that an expansion device can be externally connected to expand the function of the monitoring device.

[0021] Compared with the prior art, the shielding piece is installed on the injection hole of the shell, the injection hole can be shielded, the shielding piece can be fixed on the shell in multiple ways and is not easy to fall off, and the circuit board in the shell can be effectively protected for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 is a structural schematic diagram of the monitoring device.

[0023] Fig. 2 is an exploded view of the monitoring device.

[0024] Fig. 3 is a structural schematic diagram of the plastic upper cover.

[0025] In the figure: 1, the shell; 11, metal base; 12, plastic upper cover; 13, groove; 14, sealing protrusion; 2, control circuit board; 3, injection molding hole; 4, shielding piece; 5, mounting groove; 6, sealing groove; 7, sealing ring; 8, expansion interface. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0027] To achieve the above object, the technical scheme of the utility model is as follows:

[0028] Referring to Figs. 1-3 The embodiment provides a monitoring device capable of shielding injection molding holes, which comprises a shell 1 and a control circuit board 2, the control circuit board 2 is installed in the shell 1, a monitoring module is connected to the control circuit board 2 and exposed to the shell 1, an injection molding hole 3 is arranged on the shell 1, and a shielding piece 4 for shielding the injection molding hole 3 is fixedly installed on the outer wall of the shell 1.

[0029] In the embodiment, the shielding piece 4 is installed on the injection molding hole 3 of the shell 1, the injection molding hole 3 can be shielded, the shielding piece 4 can be fixed on the shell 1 in multiple ways and is not easy to fall off, and the circuit board in the shell 1 can be effectively protected for a long time.

[0030] Further, an installation groove 5 matched with the shape and size of the shielding piece 4 is formed in the outer side wall of the shell 1, the injection molding hole 3 is located on the bottom wall of the installation groove 5, and the shielding piece 4 is fixed in the installation groove 5.

[0031] Further, the shielding piece 4 is a detachable nameplate, which can be used for shielding the injection molding hole 3 and displaying product or customer information.

[0032] Further, the shielding piece 4 is made of a metal material with magnetism, a magnet (not shown in the figure) is arranged on the inner side wall of the shell 1 at a position corresponding to the installation groove 5, and the shielding piece 4 is magnetically connected to the magnet.

[0033] Further, a clamping groove (not shown) is formed on the bottom wall of the mounting groove 5, and a clamping buckle (not shown) is arranged on the shielding piece 4, which is clamped in the clamping groove (not shown).

[0034] Further, a glue layer (not shown) is arranged on the back side of the shielding piece 4, and the shielding piece 4 is adhered in the mounting groove 5 through the glue layer.

[0035] In the embodiment, the nameplate is installed through magnetic attraction, clamping groove and glue adhesion, which is convenient for disassembly, maintenance or replacement of the nameplate, and convenient for selling the product to different customers.

[0036] Further, the detachable nameplate is made of transparent acrylic material, and the acrylic material is printed with color-changing ink, which displays warning color with temperature change.

[0037] Further, the detachable nameplate is made of degradable biological material, which can be degraded to meet the environmental protection demand.

[0038] Further, an annular sealing groove 6 is formed on the bottom wall of the mounting groove 5, and the sealing groove 6 is arranged outside the injection hole 3, and a sealing ring is arranged in the sealing groove 6 and between the bottom wall of the mounting groove 5 and the shielding piece 4.

[0039] Further, the shell 1 comprises a metal base 11 and a plastic upper cover 12, the plastic upper cover 12 is combined on the metal base 11 to form a cavity, the control circuit board 2 is arranged in the cavity, and the injection hole 3 and the mounting groove 5 are arranged on the plastic upper cover 12. In the embodiment, the base is made of metal material, and the upper cover is made of plastic material, which can ensure stable signal transmission and has high structural strength.

[0040] Further, a groove 13 is arranged on the edge of the metal base 11, a sealing ring 7 is arranged in the groove 13, and a sealing protrusion 14 corresponding to the sealing ring 7 is arranged on the edge of the plastic upper cover 12, the front end of the sealing protrusion 14 extends into the groove 13 and abuts against the sealing ring 7, and the metal base 11, the sealing ring 7 and the plastic upper cover 12 are fixedly connected through screws. In the embodiment, the sealing ring 7 can realize the sealing connection between the metal base 11 and the plastic upper cover 12, thereby ensuring the waterproof performance of the whole product.

[0041] Further, an expansion interface 8 connected with the control circuit board 2 is arranged on the plastic upper cover 12, which can be used for external expansion equipment to expand the function of the monitoring equipment.

[0042] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A monitoring device for a blocked injection port, characterized in that The shell, the control circuit board installed in the shell, the monitoring module exposed on the shell connected on the control circuit board, the injection hole provided on the shell, and the shielding piece fixedly installed on the outer wall of the shell for shielding the injection hole.

2. A monitoring device capable of blocking a molded-in port according to claim 1, wherein, The outer wall of the shell is provided with a mounting groove matched with the shape and size of the shielding piece, and the injection hole is located on the bottom wall of the mounting groove.

3. A monitoring device capable of blocking a molded-in port as claimed in claim 1, characterized in that, The shielding piece is a detachable nameplate which can be used for shielding the injection hole and displaying product or customer information.

4. A monitoring device capable of blocking a molded-in port according to claim 2, wherein, The shielding piece is made of a metal material with magnetism, and the inner wall of the shell is provided with a magnet corresponding to the position of the mounting groove.

5. A monitoring device capable of blocking a molded-in port according to claim 2, wherein, The bottom wall of the mounting groove is provided with a clamping groove, and the shielding piece is provided with a buckle clamped in the clamping groove.

6. A monitoring device capable of blocking a molded-in port according to claim 2, wherein, The back side of the shielding piece is provided with a glue layer, and the shielding piece is adhered in the mounting groove through the glue layer.

7. A monitoring device capable of blocking a molded-in port according to claim 3, wherein, The detachable nameplate is made of transparent acrylic material, and the acrylic material is printed with color-changing ink; or the detachable nameplate is made of degradable biological material.

8. A monitoring device capable of blocking a molded-in port according to claim 2, wherein, The bottom wall of the mounting groove is provided with an annular sealing groove, the sealing groove is arranged outside the injection hole, a sealing ring is installed in the sealing groove, and the sealing ring is arranged between the bottom wall of the mounting groove and the shielding piece.

9. A monitoring device capable of blocking a molded-in port according to claim 1, wherein, The shell comprises a metal base and a plastic cover, the plastic cover covers the metal base to form a cavity, the control circuit board is installed in the cavity, and the injection hole and the mounting groove are arranged on the plastic cover.

10. A monitoring device for blocking a molded-in port according to claim 9, wherein The edge of the metal base is provided with a groove, a sealing ring is installed in the groove, the edge of the plastic cover is provided with a sealing protrusion corresponding to the position of the sealing ring, the front end of the sealing protrusion extends into the groove and abuts against the sealing ring, and the metal base, the sealing ring and the plastic cover are fixedly connected through screws.