Injection molding part with sealing and waterproof functions

By designing trapezoidal embedded card slots, embedded sealing grooves, inclined internal waterproofing sheets and other structures on the injection molded parts, the problem of gaps caused by the mismatch between the injection molded parts and the objects was solved, achieving good sealing and waterproofing effects and stable connections.

CN223399217UActive Publication Date: 2025-09-30QINGDAO HANYI PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202422006096.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-09-30
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

Existing injection molded parts are formed in one piece, and are prone to mismatch when installed on an object, resulting in a large gap between the injection molded part and the object, which makes it impossible to achieve a good sealing and waterproofing effect.

Method used

An injection-molded part with sealing and waterproofing functions is designed, including an injection-molded fastener and an injection-molded card. A trapezoidal embedded card groove is opened in the top outer edge side wall of the injection-molded fastener and an embedded sealing groove is opened around the bottom of the bottom outer edge side wall. In combination with structures such as a water-proof sealing ring, an inclined inner water-proof sheet and a supporting side wall, a tight connection and waterproofing effect are achieved.

Benefits of technology

It improves the sealing and waterproof effect of the connection between the injection molded parts and the objects, reduces the gap, prevents the connection parts from falling off, and enhances the installation stability and waterproof performance.

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Abstract

The utility model provides an injection-molded part with sealing and waterproof effects, which belongs to the field of injection-molded parts, aims to solve the problem of poor sealing and waterproof effects caused by poor compatibility between the injection-molded part and an object, and comprises an injection-molded fastener, an injection molding clamping piece is inserted into the bottom of the injection molding fastener, the injection molding fastener and the injection molding clamping piece are connected to the inner side and the outer side of an object respectively, a connecting clamping block is clamped into the side wall of the outer edge of the top of the injection molding fastener, and a waterproof sealing ring is connected into the lower side wall of the outer edge of the top of the injection molding fastener. According to the injection-molded part with the sealing and waterproof effects, a trapezoidal embedded clamping groove is formed in the side wall of the outer edge of the top of an injection-molded fastener, and a trapezoidal connecting clamping block is connected into the embedded clamping groove formed in the side wall of the outer edge of the top of the injection-molded fastener, so that a closely-attached water-stop sheet on the outer side wall of the connecting clamping block can be obliquely buckled on the surface of an object; therefore, the sealing waterproof effect of the joint of the object and the injection molding fastener is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molded parts, in particular to an injection molded part with sealing and waterproofing functions. Background Art

[0002] Injection molded parts are generally made by using an injection molding machine to form thermoplastics or thermosetting materials using a molding mold. However, during the use of injection molded parts, they are often applied to the spacers between different objects where cables and other pipelines pass through. Therefore, there are high requirements for the sealing and waterproofing of injection molded parts. Existing injection molded parts are molded in one piece, and there will be problems of misfit when installed on the object, resulting in a large gap between the injection molded part and the object, which cannot achieve a good sealing and waterproofing effect, and is very prone to shaking problems after installation. Utility Model Content

[0003] The purpose of the present utility model is to provide an injection molded part with sealing and waterproofing effects, so as to solve the problem in the above-mentioned background technology that the existing injection molded parts are integrally formed, and there will be a mismatch when installed on an object, resulting in a large gap between the injection molded part and the object, and the inability to achieve a good sealing and waterproofing effect.

[0004] The purpose and effect of the injection molded part with sealing and waterproofing function of the utility model are achieved by the following specific technical means:

[0005] An injection molded part with a sealing and waterproof function, wherein the injection molded part with a sealing and waterproof function includes an injection molded fastener; an injection molded card is inserted into the bottom of the injection molded fastener, the injection molded fastener and the injection molded card are respectively connected to the inner and outer sides of the object, a connecting card block is clamped in the top outer edge side wall of the injection molded fastener, and a water-proof sealing ring is connected to the lower side wall of the top outer edge of the injection molded fastener.

[0006] Furthermore, the injection molded fastener is in the shape of an elongated circular ring as a whole, and an embedded card slot is opened in the top outer edge side wall of the injection molded fastener, and the embedded card slot is trapezoidal. An embedded sealing groove is opened around the bottom of the outer edge side wall of the injection molded fastener, and a water-proof sealing ring is installed between the embedded sealing groove and the object.

[0007] Furthermore, the bottom of the injection-molded fastener is provided with an outer card side wall, the interior of the outer card side wall is provided with an inclined inner water-blocking plate, a through hole is left in the middle of the inner water-blocking plate, a connecting slot is opened at a medium distance on the bottom end face of the outer card side wall, and a spherical fixing ball groove is opened at the bottom of the connecting slot.

[0008] Furthermore, the cross-section of the connecting block is trapezoidal, and the connecting block is clamped in the embedded slot opened on the outer edge side wall of the top of the injection-molded fastener, and an inclined close-fitting water-blocking plate is fixedly installed on the outer side wall of the connecting block.

[0009] Furthermore, an inclined supporting side wall is provided on the top of the injection-molded fastener, and the supporting side wall is clamped between the bottom of the inner water barrier and the outer clamping side wall of the injection-molded fastener.

[0010] Furthermore, the bottom of the injection-molded card is provided with a matching plate with the same structure as the bottom of the outer card side wall of the injection-molded fastener, and connecting pins are provided at equal distances on the top end face of the matching plate. The bottom of the connecting pins is provided with a fixed card ball, and the connecting pins are inserted into the connecting slot at the bottom of the outer card side wall, and the fixed card ball is stuck in the fixed ball groove at the bottom of the connecting slot.

[0011] The utility model provides an injection molded part with sealing and waterproofing function, which has the following beneficial effects:

[0012] 1. A trapezoidal embedded card slot is provided in the top outer edge side wall of the injection molded fastener so that the connecting card block can be installed more tightly and firmly to prevent the connecting card block from falling off, and an embedded sealing groove is provided around the bottom of the outer edge side wall of the injection molded fastener. The gap between the bottom of the outer edge side wall of the injection molded fastener and the surface of the object is blocked by the cooperation of the embedded sealing groove and the water-proof sealing ring. The trapezoidal connecting card block is connected to the embedded card slot provided in the top outer edge side wall of the injection molded fastener so that the close-fitting water-proof plate on the outer side wall of the connecting card block can be buckled on the surface of the object in an inclined state, thereby further improving the sealing and waterproof effect of the connection between the object and the injection molded fastener.

[0013] 2. By arranging an inner water barrier inside the outer card side wall at the bottom of the injection-molded fastener, the size of the inner opening of the outer card side wall can be reduced during threading or other passing operations, and the inclined inner water barrier has a waterproof effect. The supporting side wall at the top of the injection-molded card is stuck between the bottom of the inner water barrier and the outer card side wall, forming support for the connection between the inner water barrier and the outer card side wall, so as to better maintain the shape of the inner water barrier and prevent the inner water barrier from deformation. The injection-molded card corresponds to the bottom of the outer card side wall through the matching plate at the bottom, and then when the connecting column is inserted into the connecting slot, the fixed card ball is stuck in the fixed ball groove at the bottom of the connecting slot, thereby improving the tightness of the connection between the injection-molded card and the injection-molded fastener and preventing the injection-molded card from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the shaft side structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall split structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the overall disassembled structure of the utility model when viewed from above;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the injection-molded fastener and injection-molded clip of the utility model;

[0018] Figure 5 This is a schematic diagram of the overall cutaway structure of the utility model;

[0019] Figure 6 This is a schematic diagram of the cross-sectional structure of the injection-molded fastener of the present invention.

[0020] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0021] 1. Injection molded fastener; 101. Embedded card slot; 102. External card side wall; 103. Internal water barrier; 104. Connecting slot; 105. Fixed ball slot; 106. Embedded sealing slot; 2. Waterproof sealing ring; 3. Connecting card block; 301. Close-fitting water barrier; 4. Injection molded card; 401. Support side wall; 402. Connecting column; 403. Fixed card ball; 404. Matching plate. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples.

[0023] Example 1:

[0024] As attached Figure 1 To the attached Figure 6 As shown:

[0025] The utility model provides an injection molded part with a sealing and waterproof function, comprising: an injection molded fastener 1; an injection molded card 4 is inserted into the bottom of the injection molded fastener 1, the injection molded fastener 1 and the injection molded card 4 are respectively connected to the inner and outer sides of the object, a connecting card block 3 is clamped in the top outer edge side wall of the injection molded fastener 1, a water-proof sealing ring 2 is connected to the lower side wall of the top outer edge of the injection molded fastener 1, the injection molded fastener 1 is in an elongated circumferential ring shape as a whole, an embedded card slot 101 is opened in the top outer edge side wall of the injection molded fastener 1, the embedded card slot 101 is trapezoidal, and the bottom of the outer edge side wall of the injection molded fastener 1 surrounds An embedded sealing groove 106 is opened, and a water-proof sealing ring 2 is installed between the embedded sealing groove 106 and the object. The specific function is to open a trapezoidal embedded card groove 101 in the top outer edge side wall of the injection molded fastener 1 so that the connecting card block 3 can be installed more tightly and firmly to prevent the connecting card block 3 from falling off, and an embedded sealing groove 106 is opened around the bottom of the outer edge side wall of the injection molded fastener 1. The gap between the bottom of the outer edge side wall of the injection molded fastener 1 and the surface of the object is blocked by the cooperation of the embedded sealing groove 106 and the water-proof sealing ring 2, thereby better improving the sealing and waterproof effect.

[0026] Among them, the bottom of the injection molded fastener 1 is provided with an outer card side wall 102, and the interior of the outer card side wall 102 is provided with an inclined inner water barrier 103, and a through hole is left in the middle of the inner water barrier 103. A connecting slot 104 is opened at a medium distance on the bottom end face of the outer card side wall 102, and a spherical fixed ball groove 105 is opened at the bottom of the connecting slot 104. The specific function is that by arranging the inner water barrier 103 inside the outer card side wall 102 at the bottom of the injection molded fastener 1, the size of the internal opening of the outer card side wall 102 can be reduced during threading or other passing operations, and the inclined inner water barrier 103 can achieve a waterproof effect.

[0027] Among them, the cross-sectional surface of the connecting block 3 is trapezoidal, and the connecting block 3 is clamped in the embedded slot 101 opened on the top outer edge side wall of the injection molded fastener 1, and an inclined close-fitting baffle 301 is fixedly installed on the outer wall of the connecting block 3. The specific function is to connect the trapezoidal connecting block 3 to the embedded slot 101 opened on the top outer edge side wall of the injection molded fastener 1 so that the close-fitting baffle 301 on the outer wall of the connecting block 3 can be buckled on the surface of the object in an inclined state, thereby further improving the sealing and waterproof effect of the connection between the object and the injection molded fastener 1.

[0028] Among them, the top of the injection-molded card 4 is provided with an inclined supporting side wall 401, and the supporting side wall 401 is stuck between the bottom of the inner water barrier 103 and the outer card side wall 102 of the injection-molded fastener 1. The specific function is that the supporting side wall 401 at the top of the injection-molded card 4 is stuck between the bottom of the inner water barrier 103 and the outer card side wall 102, forming support for the connection between the inner water barrier 103 and the outer card side wall 102, so as to better maintain the shape of the inner water barrier 103 and prevent the inner water barrier 103 from deformation, thereby ensuring a consistent waterproof effect.

[0029] Among them, the bottom of the injection-molded card 4 is provided with a matching plate 404 with the same structure as the bottom of the outer card side wall 102 of the injection-molded fastener 1, and the top end face of the matching plate 404 is provided with connecting pins 402 at equal distances, and the bottom of the connecting pins 402 is provided with fixed card balls 403. The connecting pins 402 are inserted into the connecting slots 104 at the bottom of the outer card side wall 102, and the fixed card balls 403 are stuck in the fixed ball grooves 105 at the bottom of the connecting slots 104. Specifically, the injection-molded card 4 corresponds to the bottom of the outer card side wall 102 through the matching plate 404 at the bottom, and then when the connecting pins 402 are inserted into the connecting slots 104, the fixed card balls 403 are stuck in the fixed ball grooves 105 at the bottom of the connecting slots 104, thereby improving the tightness of the connection between the injection-molded card 4 and the injection-molded fastener 1 and preventing the injection-molded card 4 from falling off.

[0030] The specific usage and function of this embodiment are as follows:

[0031] When using the injection molded part with sealing and waterproofing function, a trapezoidal embedded card groove 101 is opened in the top outer edge side wall of the injection molded fastener 1 so that the connecting card block 3 can be installed more tightly and firmly to prevent the connecting card block 3 from falling off, and an embedded sealing groove 106 is opened around the bottom of the outer edge side wall of the injection molded fastener 1. The gap between the bottom of the outer edge side wall of the injection molded fastener 1 and the surface of the object is blocked by the cooperation of the embedded sealing groove 106 and the water-proof sealing ring 2. The trapezoidal connecting card block 3 is connected to the embedded card groove 101 opened in the top outer edge side wall of the injection molded fastener 1 so that the close-fitting water-proof plate 301 on the outer side wall of the connecting card block 3 can be buckled on the surface of the object in an inclined shape, thereby further improving the sealing and waterproofing effect of the connection between the object and the injection molded fastener 1. An inner card is set inside the outer card side wall 102 at the bottom of the injection molded fastener 1. The water barrier 103 can reduce the size of the internal opening of the outer card side wall 102 during threading or other passing operations, and achieve a waterproof effect through the inclined inner water barrier 103. The support side wall 401 at the top of the injection-molded card 4 is stuck between the bottom of the inner water barrier 103 and the outer card side wall 102, forming support for the connection between the inner water barrier 103 and the outer card side wall 102, so as to better maintain the shape of the inner water barrier 103 and prevent the inner water barrier 103 from being deformed. The injection-molded card 4 corresponds to the bottom of the outer card side wall 102 through the matching plate 404 at the bottom, and then when the connecting column 402 is inserted into the connecting slot 104, the fixed card ball 403 is stuck in the fixed ball groove 105 at the bottom of the connecting slot 104, thereby improving the tightness of the connection between the injection-molded card 4 and the injection-molded fastener 1 and preventing the injection-molded card 4 from falling off.

[0032] Example 2:

[0033] By replacing the connection method of the connecting column 402 and the fixing ball 403 with a bolt connection, the convenience of disassembling the injection-molded fastener 1 and the injection-molded clamp 4 and the convenience of reuse can be greatly improved.

Claims

1. An injection molded part with a sealing and waterproof function, characterized in that: The invention comprises an injection molded fastener (1); an injection molded clamp (4) is inserted into the bottom of the injection molded fastener (1); the injection molded fastener (1) and the injection molded clamp (4) are respectively connected to the inner and outer sides of the object; a connecting clamp block (3) is clamped in the side wall of the top outer edge of the injection molded fastener (1); and a water-proof sealing ring (2) is connected to the lower side wall of the top outer edge of the injection molded fastener (1).

2. The injection molded part with sealing and waterproofing function according to claim 1, characterized in that: The injection molded fastener (1) is in the shape of an elongated circular ring as a whole. An embedded card slot (101) is provided in the outer edge side wall of the top of the injection molded fastener (1). The embedded card slot (101) is trapezoidal. An embedded sealing groove (106) is provided around the bottom of the outer edge side wall of the injection molded fastener (1). A water-proof sealing ring (2) is installed between the embedded sealing groove (106) and the object.

3. The injection molded part with sealing and waterproofing function according to claim 1, characterized in that: The bottom of the injection-molded fastener (1) is provided with an outer card side wall (102), the interior of the outer card side wall (102) is provided with an inclined inner water barrier (103), a through hole is left in the middle of the inner water barrier (103), a connecting slot (104) is provided at a medium distance on the bottom end face of the outer card side wall (102), and a spherical fixing ball groove (105) is provided at the bottom of the connecting slot (104).

4. The injection molded part with sealing and waterproofing function according to claim 1, characterized in that: The cross-section of the connecting block (3) is trapezoidal, and the connecting block (3) is clamped in an embedded slot (101) provided on the outer side wall of the top of the injection-molded fastener (1). An inclined, close-fitting water-blocking plate (301) is fixedly mounted on the outer side wall of the connecting block (3).

5. The injection molded part with sealing and waterproofing function according to claim 1, characterized in that: The top of the injection-molded clamp (4) is provided with an inclined supporting side wall (401), and the supporting side wall (401) is clamped between the bottom of the inner water barrier (103) and the outer clamping side wall (102) of the injection-molded fastener (1).

6. The injection molded part with sealing and waterproofing function according to claim 1, characterized in that: The bottom of the injection molded card (4) is provided with a matching plate (404) with the same structure as the bottom of the outer card side wall (102) of the injection molded fastener (1), and connecting pins (402) are provided at equal distances on the top end surface of the matching plate (404), and the bottom of the connecting pins (402) is provided with a fixed card ball (403), the connecting pin (402) is inserted into the connecting slot (104) at the bottom of the outer card side wall (102), and the fixed card ball (403) is stuck in the fixed ball groove (105) at the bottom of the connecting slot (104).