Patent ID: 8517716

Claim:
An injection mold for molding a product which has an inclined groove and a straight gap located at a side thereof and spaced from each other, comprising: a female mold including a female core mounted in a bottom of the female mold, and an inclined pillar slantwise mounted in the female mold with a bottom end thereof stretching under the female mold; and a male mold positioned under the female mold when the injection mold is closed, one side of a top of the male mold defining a receiving space, the male mold including: a male core mounted in the top of the male mold and spaced from the receiving space, and having a top thereof spaced from a bottom of the female core to define a shaping cavity therebetween for molding the product; a first sliding block slidably mounted on the one side of the top of the male mold, and having an inclined top surface designed as an inclined guiding surface, a straight bar being protruded towards the male core from an end surface of the first sliding block and projected into the shaping cavity, the first sliding block defining an inserting space extending slantwise to penetrate therethrough; and a second sliding block slidably mounted on the inclined guiding surface of the first sliding block, and having an inclined lump slantwise protruded towards the male core from one end surface of the second sliding block and projected into the shaping cavity, a tilt angle of the inclined lump being the same as that of the inclined guiding surface, the second sliding block defining an inserting perforation extending slantwise to penetrate therethrough, and narrower than the inserting space of the first sliding block in diameter, the bottom end of the inclined pillar being inserted into the receiving space through the inserting perforation and the inserting space so as to drive the first and second sliding blocks to slide towards the male core in process of closing the injection mold until the bottom of the female core against a top of the second sliding block and the first sliding block resisting against the male core; wherein when the injection mold is opened, the second sliding block slides away from the male core under the action of the inclined pillar and along the inclined guiding surface, to make the inclined lump of the second sliding block smoothly parted from the product so as to form the inclined groove at an upper portion of the side of the product, when the inclined pillar abuts against an inner side face of the inserting space, the first sliding block slides away from the male core on the top of the male mold to make the straight bar parted from the product to form the straight gap at a lower portion of the side of the product.