Product injection mold

By designing a limiting structure in the injection mold, including a mounting block, a sleeve, a plug, and a retaining ring, the problem of hose loosening during operation is solved, and a stable connection of the hose is achieved.

CN223877476UActive Publication Date: 2026-02-06DONG GUAN YA FENG DIAN NAO LING PEI JIAN YOU XIAN GONG SI
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Patent Information

Application Number
CN202520436401.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-06
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

In existing injection molds, the externally connected hoses are not limited, which makes the hoses at the joints prone to loosening during operation.

Method used

Design a product injection mold, including an upper mold body and a lower mold body, with a pipe joint at the outer end of the cooling channel and equipped with a limiting structure. The limiting structure consists of a mounting block, a sleeve, a plug block and a retaining ring. The retaining ring is made of elastic plastic and is kept stably connected by a positioning component and a guide rod.

Benefits of technology

It effectively solves the problem of hoses loosening during operation, and maintains the stability of the hose through a limiting structure to ensure that the connection is not easily bent.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223877476U_ABST
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Abstract

The utility model relates to a product injection mold, which aims to solve the technical problems that the current externally connected hose is not limited, the hose at the joint is bent and is easy to loosen in the action process, and comprises an upper mold body and a lower mold body, and a pipe joint is arranged at the outer end of a cooling channel of the upper mold body and the lower mold body. The device further comprises a limiting structure. The plurality of limiting structures are respectively arranged on the outer sides of the upper die body and the lower die body corresponding to the pipe joints; the limiting structure comprises a mounting block, an inserting sleeve, an inserting block and a clamping ring; the mounting blocks are connected with the outer side of the upper mold body or the lower mold body through screws; the plug bush is fixedly arranged on the outer side of the mounting block; the insertion block is inserted into the insertion sleeve; the hose fixing device has the advantages that an external hose part at the joint of a pipe joint is clamped into the clamping ring to be clamped and limited, so that the clamped part of the hose is kept stable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding technical field especially relates to a product injection mold. BACKGROUND

[0002] Injection molding is a method of product production modeling, and the product is usually made of rubber injection molding and plastic injection molding. The injection molding machine is the main molding equipment for making various shapes of plastic products by using thermoplastic or thermosetting material.

[0003] The product is formed after being injected by the injection mold, and the cooling system on the injection mold cools the molten plastic into a shape. The outer end of the pipeline of the cooling system is provided with a joint, and the joint is connected with the external cooling liquid hose. However, the externally connected hose is not limited, and the hose at the joint is bent and prone to looseness during operation.

[0004] In view of this, we propose a product injection mold. INVENTION CONTENTS

[0005] The utility model discloses a product injection mold to overcome the defects of the prior art, adapt to the actual needs, and solve the technical problems that the externally connected hose is not limited, the hose at the joint is bent, and is prone to looseness during operation.

[0006] In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a product injection mold is designed, which comprises an upper mold body and a lower mold body. The cooling channel outer end of the upper mold body and the lower mold body is arranged with a pipe joint, and further comprises a limiting structure.

[0007] A plurality of limiting structures are arranged on the outer side of the upper mold body and the lower mold body corresponding to the pipe joint.

[0008] The limiting structure comprises a mounting block, a plug sleeve, a plug block and a clasp.

[0009] The mounting block is connected to the outer side of the upper mold body or the lower mold body by screws.

[0010] The plug sleeve is fixedly arranged on the outer side of the mounting block.

[0011] The plug block is inserted into the plug sleeve.

[0012] The clasp is fixedly arranged on the outer end of the plug block.

[0013] Preferably, the clasp is made of elastic plastic, and the two ends of the opening of the clasp are respectively provided with arc surfaces.

[0014] Preferably, the plug block and the plug sleeve are connected by a positioning assembly.

[0015] The positioning assembly comprises a positioning rod and a connecting block;

[0016] The positioning rod is arranged in the hole of the outer end of the bushing and the plurality of through holes of the insertion block;

[0017] The connecting block is fixedly arranged at the outer end of the positioning rod;

[0018] Two springs are symmetrically arranged between the connecting block and the outer wall of the bushing.

[0019] Preferably, a pull handle is fixedly arranged at the outer side of the connecting block, and the pull handle is in a U shape.

[0020] Preferably, two guide rods are symmetrically arranged in the connecting block, and the inner ends of the two guide rods are fixedly connected with the outer wall of the bushing.

[0021] The outer ends of the two guide rods are fixedly arranged with limiting blocks.

[0022] Compared with the prior art, the utility model has the beneficial effects that:

[0023] 1. The utility model discloses a pipe joint connecting structure, which comprises a pipe joint, an outer hose and a clamping ring.

[0024] 2. The utility model discloses a pipe joint connecting structure, which comprises a pipe joint, an outer hose and a clamping ring.

[0025] 3. The utility model discloses a pipe joint connecting structure, which comprises a pipe joint, an outer hose and a clamping ring. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is an overall structure schematic view of the utility model;

[0027] Fig. 2 It is a limiting structure schematic view of the utility model;

[0028] Fig. 3 It is an insertion block and bushing connecting structure schematic view of the utility model;

[0029] Fig. 4 It is a positioning assembly structure schematic view of the utility model;

[0030] In the figure: 1, upper mold body; 2, lower mold body; 3, pipe joint; 4, limiting structure;

[0031] 401, mounting block; 402, bushing; 403, plug block; 404, snap ring; 405, positioning assembly;

[0032] 4031, perforation;

[0033] 4041, arc surface;

[0034] 4051, positioning rod; 4052, connecting block; 4053, spring; 4054, pull handle; 4055, guide rod; 4056, limiting block. DETAILED DESCRIPTION

[0035] The utility model is further illustrated below in combination with the drawings and examples:

[0036] Example 1: a product injection mold, referring to Figs. 1 to 4 , comprising upper mold body 1 and lower mold body 2, the outer end of the cooling channel of upper mold body 1 and lower mold body 2 is arranged with pipe joint 3, further comprising limiting structure 4; a plurality of limiting structures 4 are arranged on the outer side of upper mold body 1 and lower mold body 2 corresponding to pipe joint 3 respectively.

[0037] Limiting structure 4 comprises mounting block 401, bushing 402, plug block 403 and snap ring 404; mounting block 401 is connected with the outer side of upper mold body 1 or lower mold body 2 through screw; bushing 402 is fixedly arranged on the outer side of mounting block 401; plug block 403 is inserted into bushing 402; snap ring 404 is fixedly arranged on the outer end of plug block 403.

[0038] The utility model discloses a mounting block 401, bushing 402, plug block 403 and snap ring 404 are arranged, the external hose portion at the connecting place of pipe joint 3 is clamped into snap ring 404 and is clamped and limited, the part of hose that is clamped keeps the advantage of stable, solve the hose of external connection and do not have the limit, the hose at the joint is curved, and the problem that looseness is prone to appearing in the process of action is solved.

[0039] Specifically, the snap ring 404 is made of elastic plastic, and the two ends of the opening of the snap ring 404 are provided with arc surfaces 4041, which facilitates the clamping of the external hose portion at the connecting place of the pipe joint 3 into the snap ring 404.

[0040] Further, the plug block 403 and the bushing 402 are connected through the positioning assembly 405.

[0041] The positioning assembly 405 comprises a positioning rod 4051 and a connecting block 4052; the positioning rod 4051 is arranged in the hole of the outer end of the sleeve 402 and the plurality of through holes 4031 of the insert block 403; the connecting block 4052 is fixedly arranged at the outer end of the positioning rod 4051; wherein two springs 4053 are symmetrically arranged between the connecting block 4052 and the outer wall of the sleeve 402, and the two ends of the spring 4053 are fixedly connected with the connecting block 4052 and the outer wall of the sleeve 402 respectively, and the elastic coefficient of the spring 4053 is selected by the technical personnel according to the actual situation.

[0042] The utility model discloses a positioning rod 4051, connecting block 4052 and spring 4053 are arranged, have the advantage that the total length of insert block 403 and sleeve 402 is adjusted and positioned, and the insert block 403 and the sleeve 402 are stably connected, thereby adjusting the position of the snap ring 404 to clamp and limit the position of the external hose according to the actual situation.

[0043] Further, the connecting block 4052 is fixedly provided with a pull handle 4054 on the outer side, and the pull handle 4054 is in a U shape; pulling the pull handle 4054 facilitates pulling the connecting block 4052.

[0044] It is worth mentioning that two guide rods 4055 are symmetrically arranged on the connecting block 4052, and the inner ends of the two guide rods 4055 are fixedly connected with the outer wall of the sleeve 402; wherein the outer ends of the two guide rods 4055 are fixedly provided with limiting blocks 4056.

[0045] The utility model discloses a guide rod 4055 and limiting block 4056 are arranged, and the connecting block 4052 moves along the guide rod 4055 and is kept stable, and the outward moving distance of the connecting block 4052 is limited by the limiting block 4056, so that the inner end of the positioning rod 4051 does not completely separate from the sleeve 402.

[0046] Working principle: using the device of the utility model, the mounting block 401 is connected with the outer side of the upper die body 1 or the lower die body 2 through a screw, according to the position of the external hose to be clamped, the pull handle 4054 is pulled to move the connecting block 4052 and the positioning rod 4051 outward, until the connecting block 4052 contacts the limiting block 4056, the spring 4053 is stretched, the insert block 403 is moved, the total length of the insert block 403 and the sleeve 402 is adjusted, then the pull handle 4054 is loosened, under the action of the spring 4053, the connecting block 4052 drives the positioning rod 4051 to move back, the positioning rod 4051 passes through the hole of the outer end of the sleeve 402 and the corresponding through hole 4031 of the insert block 403, and the position of the external hose to be clamped is clamped into the snap ring 404 for positioning.

[0047] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. A product injection mould comprising an upper mould body (1) and a lower mould body (2), the outer ends of the cooling channels of the upper mould body (1) and lower mould body (2) being arranged with pipe fittings (3), characterised in that, Also include: A plurality of limiting structures (4) are arranged on the outer side of the upper die body (1) and the lower die body (2) corresponding to the pipe joint (3) respectively; The limiting structure (4) comprises: The mounting block (401) is connected with the outer side of the upper die body (1) or the lower die body (2) by screws; The bushing (402) is fixedly arranged on the outer side of the mounting block (401); The plug block (403) is inserted into the bushing (402); The clasp ring (404) is fixedly arranged on the outer end of the plug block (403).

2. A product injection mold as defined in claim 1, wherein The clasp ring (404) is made of elastic plastic, and the two ends of the opening of the clasp ring (404) are respectively provided with arc surfaces (4041).

3. A product injection mold as defined in claim 1, wherein The plug block (403) and the bushing (402) are connected through the positioning assembly (405); The positioning assembly (405) comprises: The positioning rod (4051) is arranged in the hole on the outer end of the bushing (402) and the plurality of perforations (4031) on the plug block (403); The connecting block (4052) is fixedly arranged on the outer end of the positioning rod (4051); Among them, the connecting block (4052) and the outer wall of the bushing (402) are symmetrically arranged with two springs (4053).

4. A product injection mold as defined in claim 3, wherein The connecting block (4052) is fixedly provided with a pull handle (4054) on the outer side, and the pull handle (4054) is in a U shape.

5. A product injection mold as defined in claim 3, wherein The connecting block (4052) is symmetrically provided with two guide rods (4055) on the outer side, and the inner ends of the two guide rods (4055) are respectively fixedly connected with the outer wall of the bushing (402); Among them, the outer ends of the two guide rods (4055) are respectively fixedly provided with limiting blocks (4056).