Injection molding mold for automobile door handle

By incorporating components such as hydraulic rods, push plates, sleeves, and limit blocks within the injection mold, the problems of scratches and detachment during the demolding process of automotive door handles have been solved, achieving a stable and damage-free demolding process.

CN223630904UActive Publication Date: 2025-12-05DONGGUAN HUAYI AUTO PARTS CO LTD
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Patent Information

Application Number
CN202423190612.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-05
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing injection molding dies for car door handles are prone to causing scratches on the surface of the door handles during demolding, and lack effective limiting devices, which can cause the door handles to fall off and affect their performance.

Method used

The injection mold is equipped with components such as a first inner cavity, hydraulic rod, push plate, sleeve rod, limit rod and spring limit block. The hydraulic rod pushes the push plate and sleeve rod, and the limit block increases the friction under the action of the spring to prevent the door handle from falling off.

Benefits of technology

It effectively prevents scratches from forming on car door handles during the demolding process, ensures stable demolding, avoids falling off, and improves the performance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223630904U_ABST
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Abstract

The utility model discloses an automobile door handle injection mold, which relates to the field of injection molds and comprises a first injection mold, a second injection mold is arranged on one side of the first injection mold, a first inner cavity is formed in the first injection mold, and a first limiting rod and a second limiting rod are fixedly mounted on one side of the first inner cavity. And second inner cavities are formed in the end parts of the first limiting rod and the second limiting rod. The automobile door handle injection molding mold solves the problem that an existing automobile door handle injection molding mold is poor in using effect, a first inner cavity is formed in a first injection mold, a hydraulic rod is fixedly installed at one end of the first inner cavity, a push plate is arranged at one end of the hydraulic rod, and a first sleeve rod and a second sleeve rod are arranged on one side of the push plate; movable mounting grooves are formed in one ends of one sides of the first sleeve rod and the second sleeve rod; and meanwhile, a first limiting rod and a second limiting rod are arranged on one side of the first inner cavity.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold field, concretely is a kind of automobile door handle injection molding mold. BACKGROUND

[0002] Automobile door handle is part of automobile exterior accessory, mainly for facilitating passenger to open and close door, it is usually made of metal, plastic or carbon fiber etc., with certain strength and durability, the design of automobile door handle considers ergonomics, so that passenger feels comfortable when using, not easy to cause hand fatigue, the existing automobile door handle is usually formed by mold injection, however, automobile door handle is formed by mold injection and is taken out, easy to produce scratch on the surface of automobile door handle, to damage the integrity of automobile door handle, to affect the use effect of automobile door handle.

[0003] The existing automobile door handle injection molding mold is usually provided with a hydraulic rod inside injection molding mold, a plurality of lugs are arranged at one end of the hydraulic rod, when automobile door handle is formed by mold injection and cooling, injection molding mold moves to both sides, so that formed automobile door handle is exposed, by starting hydraulic rod to push lug, lug can push automobile door handle out of injection cavity inside mold, then automobile door handle is taken out, to avoid manually taking out automobile door handle, so as to easily form scratch on the surface of automobile door handle.

[0004] However, for the existing automobile door handle injection molding mold, when already formed automobile door handle moves with injection molding mold to both sides, without certain limiting device, easy to make automobile door handle fall, to affect normal use of device, reduce practicality of device. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims at providing an automobile door handle injection molding mold to solve the technical problem of poor use effect of the existing automobile door handle injection molding mold.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automobile door handle injection molding mold, comprising a first injection mold, one side of the first injection mold is provided with a second injection mold, a first inner cavity is formed in the first injection mold, a first limiting rod and a second limiting rod are fixedly installed on one side of the first inner cavity, a second inner cavity is formed in the end of the first limiting rod and the second limiting rod, a spring is arranged on one side of the second inner cavity, a limiting block is connected to one side of the spring, an inner lug is arranged on one side of the first injection mold, injection cavities are formed at both ends of the inner lug, a hydraulic rod is fixedly installed on one side of the first inner cavity, a push plate is arranged at one end of the hydraulic rod, a first sleeve rod and a second sleeve rod are arranged on one side of the push plate.

[0007] By adopting the technical scheme, the problem of poor use effect of the existing automobile door handle injection molding mold is solved, the first inner cavity is arranged in the first injection mold, one end of the first inner cavity is fixedly provided with a hydraulic rod, one end of the hydraulic rod is provided with a push plate, one side of the push plate is provided with a first sleeve rod and a second sleeve rod, one end of one side of the first sleeve rod and the second sleeve rod is provided with a movable mounting groove, a first limiting rod and a second limiting rod are arranged on one side of the first inner cavity, the first limiting rod and the second limiting rod are sleeved with the first sleeve rod and the second sleeve rod, the end of the first limiting rod and the second limiting rod is provided with a second inner cavity, a spring is fixedly arranged on one side of the second inner cavity, one end of the spring is provided with a limiting block, the limiting block is movably arranged in the movable mounting groove arranged at one end of one side of the first sleeve rod and the second sleeve rod, when the first injection mold and the second injection mold complete injection and the automobile door handle is cooled and formed, the first injection mold and the second injection mold are slid to the two sides through the moving assembly, so that the automobile door handle is demolded, when the first injection mold moves, the automobile door handle is sleeved in the injection cavity in the first injection mold, meanwhile, the first sleeve rod and the second sleeve rod are sleeved with the inner protrusion and the through hole arranged at one end of the injection cavity in the automobile door handle, the end of the first sleeve rod and the second sleeve rod is provided with a limiting block, the limiting block can extrude the inner wall of the automobile door handle through the pushing of the spring, so that the friction between the first sleeve rod, the second sleeve rod and the automobile door handle is enhanced, when the automobile door handle slides to one side with the first injection mold, the automobile door handle can be prevented from falling off, so as to affect the use effect of the automobile door handle.

[0008] The utility model further sets up, one end of first sleeve rod and second sleeve rod is provided with curved groove, first limiting rod and second limiting rod are sleeved in first sleeve rod and second sleeve rod inside.

[0009] As preferred, by arranging the curved groove at one end of the first sleeve rod and the second sleeve rod, the installation of the limiting block is facilitated, the first limiting rod and the second limiting rod are sleeved in the first sleeve rod and the second sleeve rod, the first limiting rod and the second limiting rod can be slidably installed in the first sleeve rod and the second sleeve rod, so that the first sleeve rod and the second sleeve rod and the first limiting rod and the second limiting rod are prevented from colliding, thereby affecting the normal use of the device.

[0010] The utility model further sets up, first sleeve rod, second sleeve rod, first limiting rod and second limiting rod all are the round rod that cross section is round. First sleeve rod and second sleeve rod inside are provided with the through groove, the diameter of first limiting rod and second limiting rod is equal to the diameter of the through groove arranged in the first sleeve rod and the second sleeve rod inside.

[0011] Preferably, the first sleeve rod, the second sleeve rod, the first limiting rod and the second limiting rod are all round rods with circular cross sections, the first sleeve rod and the second sleeve rod are internally provided with through grooves, and the diameters of the first limiting rod and the second limiting rod are equal to the diameters of the through grooves internally provided in the first sleeve rod and the second sleeve rod, so that the first limiting rod and the second limiting rod can be movably installed in the first sleeve rod and the second sleeve rod, thereby achieving the use effect of the device.

[0012] The utility model further sets up, the round hole is arranged in the inner lug and injection mold cavity, the diameter of the round hole is same with the diameter of the first sleeve rod and the second sleeve rod.

[0013] Preferably, the first sleeve rod, the second sleeve rod, the first limiting rod and the second limiting rod are all round rods with circular cross sections, the first sleeve rod and the second sleeve rod are internally provided with through grooves, and the diameters of the first limiting rod and the second limiting rod are equal to the diameters of the through grooves internally provided in the first sleeve rod and the second sleeve rod, so that the first limiting rod and the second limiting rod can be movably installed in the first sleeve rod and the second sleeve rod, thereby achieving the use effect of the device.

[0014] The utility model further sets up, the one end of the limiting block is set as arc curved surface, the other end of the limiting block is provided with the limiting board, and the cross section of the limiting board is same with the cross section of the second inner chamber.

[0015] Preferably, the one end of the limiting block is set as arc curved surface, which can increase the contact area of the limiting block and the automobile door handle, so that the automobile door handle can be more stably installed at one end of the first sleeve rod and the second sleeve rod. The other end of the limiting block is provided with the limiting board, and the cross section of the limiting board is same with the cross section of the second inner chamber, so that the limiting block can be movably installed in the second inner chamber, preventing the limiting block from falling off from the second inner chamber and affecting the normal use of the device.

[0016] The utility model further sets up, the surface of the limiting block is smooth, and the two sides of the limiting block are provided with arc curved surfaces.

[0017] Preferably, the surface of the limiting block is smooth, which can avoid the rough surface of the limiting block and affect the sliding of the limiting block. The two sides of the limiting block are provided with arc curved surfaces, so that the limiting block can better shrink into the second inner chamber when being extruded, avoiding the collision between the limiting block and the first sleeve rod and the second sleeve rod and affecting the normal use of the device.

[0018] The utility model further sets up, the hydraulic rod is provided with multiple groups, and the one end of the hydraulic rod is fixedly installed with a push plate.

[0019] As preferred, by setting the hydraulic rod with multiple groups, one end of the hydraulic rod is fixedly installed with a push plate, the push plate is movably installed on one side of the first inner cavity through the hydraulic rod, the first sleeve rod and the second sleeve rod on one side of the push plate can slide, so that the pushing and limiting effects of the automobile door handle are achieved.

[0020] To sum up, the utility model mainly has the following beneficial effects:

[0021] 1. The utility model discloses a first injection mold, second injection mold, first inner cavity, inner boss, injection cavity, hydraulic rod, push plate, first sleeve rod, second sleeve rod, first limit rod, second limit rod, second inner cavity, spring and limit block are set up, solve the problem that the use effect of the prior art automobile door handle injection molding mold is not good, through being seted up with the first inner cavity in the first injection mold, one end of the first inner cavity is fixedly installed with the hydraulic rod, one end of the hydraulic rod is provided with the push plate, one side of the push plate is provided with the first sleeve rod and the second sleeve rod, one end of the first sleeve rod and the second sleeve rod is seted up with the movable mounting groove, and one side of the first inner cavity is provided with the first limit rod and the second limit rod, the first limit rod and the second limit rod are sleeved on the first sleeve rod and the second sleeve rod, and the end of the first limit rod and the second limit rod is seted up with the second inner cavity, one side of the second inner cavity is fixedly installed with the spring, one end of the spring is provided with the limit block, and the limit block is movably installed in the movable mounting groove, which is seted up on one end of the first sleeve rod and the second sleeve rod, when the first injection mold and the second injection mold complete injection and the automobile door handle is cooled and formed, the first injection mold and the second injection mold are slid to both sides through the moving assembly, so that the automobile door handle is demoulded, when the first injection mold moves, the automobile door handle is sleeved in the injection cavity in the first injection mold, and the first sleeve rod and the second sleeve rod are sleeved with the through hole, which is seted up at one end of the inner boss and the injection cavity, the end of the first sleeve rod and the second sleeve rod is provided with the limit block, the limit block can extrude the inner wall of the automobile door handle through the pushing of the spring, so that the friction between the first sleeve rod and the second sleeve rod and the automobile door handle can be enhanced, and when the automobile door handle slides to one side along with the first injection mold, the automobile door handle can be prevented from falling off, so as to affect the use effect of the automobile door handle.

[0022] 2. The utility model discloses a first limit rod and a second limit rod are seted up, the end of the first limit rod and the second limit rod is seted up with the second inner cavity, the spring is seted up in the second inner cavity, one end of the spring is provided with the limit block, and the both ends of the limit block are curved, when the first sleeve rod and the second sleeve rod push the automobile door handle out from one side of the first injection mold through the hydraulic rod, the both ends of the limit block are seted up as curved surfaces, which can better make the limit block shrink to the inside of the second inner cavity, avoid the limit block from colliding with the first limit rod and the second limit rod, so as to affect the normal use of the device. DRAWINGS

[0023] Figure 1 It is the main body structure schematic view of the utility model;

[0024] Figure 2 It is the first sleeve rod sectional view of the utility model;

[0025] Figure 3 It is the first local enlarged view of the utility model;

[0026] Figure 4 It is the first injection mold plan view of the utility model;

[0027] Figure 5 It is the second sleeve rod sectional view of the utility model;

[0028] Figure 6 It is the second local enlarged view of the utility model.

[0029] Mark explanation:

[0030] 1, first injection mold;11, second injection mold;12, first inner cavity;2, inner protrusion;3, injection mold cavity;4, hydraulic rod;5, push plate;6, first sleeve rod;61, second sleeve rod;7, first limit rod;71, second limit rod;8, second inner cavity;9, spring;10, limit block. Specific implementation

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used for explaining the utility model, and cannot be understood as limiting the utility model.

[0032] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0033] Please refer to Figures 1-6The utility model relates to a first injection mold 1, one side of first injection mold 1 is provided with second injection mold 11, through being provided with first injection mold 1 and second injection mold 11 can reach the effect of injection molding of car door handle, first injection mold 1 is internally provided with first inner chamber 12, one side of first inner chamber 12 is fixedly installed with first limit rod 7 and second limit rod 71, and the end of first limit rod 7 and second limit rod 71 is provided with second inner chamber 8, one side of second inner chamber 8 is provided with spring 9, one side of spring 9 is connected with limit block 10, through being provided with spring 9, limit block 10 has a reciprocating effect, thereby can play the limiting effect of car door handle, one side of first injection mold 1 is provided with inner boss 2, and injection cavity 3 is formed in the both ends of inner boss 2, and one side of first inner chamber 12 is fixedly installed with hydraulic rod 4, one end of hydraulic rod 4 is provided with push plate 5, one side of push plate 5 is provided with first sleeve rod 6 and second sleeve rod 61, through being provided with hydraulic rod 4 on one side of push plate 5, first sleeve rod 6 and second sleeve rod 61 can be slidably installed in first injection mold 1, and first sleeve rod 6 and second sleeve rod 61 reach the pushing and limiting effect of car door handle.

[0034] In the above embodiment, please refer to Figure 2 and Figure 5 , one end of first sleeve rod 6 and second sleeve rod 61 is provided with curved groove, first limit rod 7 and second limit rod 71 are sleeved in first sleeve rod 6 and second sleeve rod 61, by being provided with curved groove on one end of first sleeve rod 6 and second sleeve rod 61, the installation of limit block 10 is facilitated, limit block 10 can reach the use effect, first limit rod 7 and second limit rod 71 are sleeved in first sleeve rod 6 and second sleeve rod 61, first limit rod 7 and second limit rod 71 can be slidably installed in first sleeve rod 6 and second sleeve rod 61, avoid first sleeve rod 6 and second sleeve rod 61 and first limit rod 7 and second limit rod 71 from colliding, thereby influence the normal use of device.

[0035] In the above embodiment, please refer to Figure 2 and Figure 5The first sleeve rod 6, the second sleeve rod 61, the first limiting rod 7 and the second limiting rod 71 are all round rods with circular cross sections, the first sleeve rod 6 and the second sleeve rod 61 are internally provided with through grooves, and the diameters of the first limiting rod 7 and the second limiting rod 71 are equal to the diameters of the through grooves internally provided in the first sleeve rod 6 and the second sleeve rod 61, so that the first limiting rod 7 and the second limiting rod 71 can be movably installed in the first sleeve rod 6 and the second sleeve rod 61 through the through grooves internally provided in the first sleeve rod 6 and the second sleeve rod 61, thereby achieving the use effect of the device.

[0036] In the above embodiment, please refer to Figure 4 The circular holes are internally provided in the inner protruding block 2 and the injection mold cavity 3, and the diameters of the circular holes are the same as the diameters of the first sleeve rod 6 and the second sleeve rod 61, so that the first sleeve rod 6 and the second sleeve rod 61 can be installed in the inner protruding block 2 and the injection mold cavity 3, thereby achieving the pushing and limiting effects on the automobile door handle.

[0037] In the above embodiment, please refer to Figure 3 and Figure 6 One end of the limiting block 10 is provided with an arc-shaped curved surface, and the other end of the limiting block 10 is provided with a limiting plate with the same cross section as the second inner cavity 8, so that the contact area of the limiting block 10 and the automobile door handle can be increased, thereby enabling the automobile door handle to be more stably installed at one end of the first sleeve rod 6 and the second sleeve rod 61, the limiting block 10 can be movably installed in the second inner cavity 8, and the limiting block 10 is prevented from falling off from the second inner cavity 8, thereby affecting the normal use of the device.

[0038] In the above embodiment, please refer to Figure 3 and Figure 6 The surface of the limiting block 10 is smooth, and the two sides of the limiting block 10 are provided with arc-shaped curved surfaces, so that the surface of the limiting block 10 is smooth, the sliding of the limiting block 10 is not affected, and the limiting block 10 can better shrink into the second inner cavity 8 when being extruded, thereby preventing the limiting block 10 from colliding with the first sleeve rod 6 and the second sleeve rod 61, and affecting the normal use of the device.

[0039] In the above embodiments, please refer to Figure 2 The hydraulic rod 4 is provided with multiple groups, one end of the hydraulic rod 4 is fixedly installed with a push plate 5, the push plate 5 is movably installed on one side of the first inner cavity 12 through the hydraulic rod 4, the hydraulic rod 4 is provided with multiple groups, one end of the hydraulic rod 4 is fixedly installed with the push plate 5, the push plate 5 is movably installed on one side of the first inner cavity 12 through the hydraulic rod 4, the first sleeve rod 6 and the second sleeve rod 61 on one side of the push plate 5 can slide, so that the push and limiting effects of the automobile door handle are achieved.

[0040] The utility model discloses in specific work time: this device is through being provided with first inner cavity 12 in first injection mold 1 inside, one end of first inner cavity 12 is fixedly installed with hydraulic rod 4, one end of hydraulic rod 4 is provided with push plate 5, one side of push plate 5 is provided with first sleeve rod 6 and second sleeve rod 61, and one end of first sleeve rod 6 and second sleeve rod 61 one side is provided with movable mounting groove, and one side of first inner cavity 12 is provided with first limiting rod 7 and second limiting rod 71, and first limiting rod 7 and second limiting rod 71 are sleeved in first sleeve rod 6 and second sleeve rod 61, and the end of first limiting rod 7 and second limiting rod 71 is provided with second inner cavity 8, and one side of second inner cavity 8 is fixedly installed with spring 9, and one end of spring 9 is provided with limiting block 10, and limiting block 10 is movably installed in movable mounting groove inside one end of first sleeve rod 6 and second sleeve rod 61 one side, and when using, first injection mold 1 and second injection mold 11 are closed and injection is completed through the moving device, and after automobile door handle cooling forming, first injection mold 1 and second injection mold 11 are made to slide to both sides through the moving assembly, so that automobile door handle is demoulded, when first injection mold 1 moves, automobile door handle is sleeved in the injection cavity 3 in first injection mold 1, and first sleeve rod 6 and second sleeve rod 61 are sleeved in the through hole of the inner lug 2 and the injection cavity 3 one end, and the end of first sleeve rod 6 and second sleeve rod 61 is provided with limiting block 10, and limiting block 10 can extrude the inner wall of automobile door handle through the pushing of spring 9, so as to enhance the friction between first sleeve rod 6 and second sleeve rod 61 and automobile door handle, when automobile door handle slides with first injection mold 1 to one side, can avoid automobile door handle from falling off from first injection mold 1, so as to influence the use effect of automobile door handle, and because limiting block 10 is provided at one end of spring 9, and the both ends of limiting block 10 are curved, when first sleeve rod 6 and second sleeve rod 61 push automobile door handle from one side of first injection mold 1 through hydraulic rod 4, the both ends of limiting block 10 are curved, which can better make limiting block 10 shrink into second inner cavity 8, avoid limiting block 10 from colliding with first sleeve rod 6 and second sleeve rod 61, so as to influence the normal use of the device.

[0041] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. An injection mould for a door handle of a motor vehicle, comprising a first injection mould (1), characterised in that: The first injection mold (1) is provided with a second injection mold (11) on one side, a first inner cavity (12) is formed in the first injection mold (1), a first limiting rod (7) and a second limiting rod (71) are fixedly installed on one side of the first inner cavity (12), a second inner cavity (8) is formed in the end of the first limiting rod (7) and the second limiting rod (71), a spring (9) is arranged on one side of the second inner cavity (8), a limiting block (10) is connected to one side of the spring (9), an inner protrusion (2) is arranged on one side of the first injection mold (1), injection cavities (3) are formed at both ends of the inner protrusion (2), a hydraulic rod (4) is fixedly installed on one side of the first inner cavity (12), a push plate (5) is arranged at one end of the hydraulic rod (4), a first sleeve rod (6) and a second sleeve rod (61) are arranged on one side of the push plate (5).

2. The injection molding die for a door handle of a vehicle according to claim 1, characterized in that: The first sleeve rod (6) and the second sleeve rod (61) are provided with curved grooves at one end, and the first limiting rod (7) and the second limiting rod (71) are sleeved in the first sleeve rod (6) and the second sleeve rod (61).

3. The injection molding die for a door handle of a vehicle according to claim 1, characterized in that: The first sleeve rod (6), the second sleeve rod (61), the first limiting rod (7) and the second limiting rod (71) are all round rods with circular cross sections, grooves are formed in the first sleeve rod (6) and the second sleeve rod (61), and the diameters of the first limiting rod (7) and the second limiting rod (71) are equal to the diameters of the grooves formed in the first sleeve rod (6) and the second sleeve rod (61).

4. The injection molding die for a door handle of a vehicle according to claim 1, characterized in that: Round holes are formed in the inner protrusion (2) and the injection cavities (3), and the diameters of the round holes are the same as the diameters of the first sleeve rod (6) and the second sleeve rod (61).

5. The injection molding die for a door handle of a vehicle according to claim 1, characterized in that: One end of the limiting block (10) is provided with an arc-shaped curved surface, and the other end of the limiting block (10) is provided with a limiting plate, and the cross section of the limiting plate is the same as the cross section of the second inner cavity (8).

6. The injection molding die for a door handle of a vehicle according to claim 1, characterized in that: The surface of the limiting block (10) is smooth, and the two sides of the limiting block (10) are provided with arc-shaped curved surfaces.

7. The injection molding die for a door handle of a vehicle according to claim 1, characterized in that: The hydraulic rod (4) is provided with multiple groups, a push plate (5) is fixedly installed at one end of the hydraulic rod (4), and the push plate (5) is movably installed on one side of the first inner cavity (12) through the hydraulic rod (4).