High-strength hard alloy thin-wall threaded core head

By designing an installation mechanism for a high-strength cemented carbide thin-walled threaded mandrel, and utilizing the cooperation of an adjusting ring and a return spring, the threaded mandrel can be easily disassembled, solving the problem of cumbersome replacement and disassembly in existing technologies and improving replacement efficiency.

CN223789434UActive Publication Date: 2026-01-13TAIZHOU HUADONG CEMENTED CARBIDE DIE & CUTTING-TOOL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423267418.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-13
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing threaded mandrel replacement and disassembly operations are cumbersome and inefficient.

Method used

A high-strength cemented carbide thin-walled threaded mandrel is designed, employing an installation mechanism including components such as a fixing plate, a positioning pin, a piston plate, a return spring, and an adjusting ring. The adjusting ring drives the connecting plate to rise, reducing the air pressure inside the connecting sleeve and causing the positioning pin to retract, thus enabling convenient disassembly.

Benefits of technology

It enables convenient replacement and disassembly of the threaded mandrel, improving replacement efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223789434U_ABST
    Figure CN223789434U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of thread core heads, in particular to a high-strength hard alloy thin-wall thread core head which comprises a thread core head body, and an installation mechanism is arranged on the inner wall of the thread core head body. The mounting mechanism comprises a fixing plate fixedly connected to the inner wall of the threaded core head body, a positioning pin is slidably connected to the interior of the fixing plate, a connecting sleeve is fixedly connected to the outer wall of the positioning pin and located in the fixing plate, and a piston plate is fixedly connected to the outer wall of the positioning pin and located in the connecting sleeve. A reset spring is fixedly connected to the position, away from the positioning pin, of the outer wall of the piston plate, a sliding plate is fixedly connected to the position, above the piston plate, in the connecting sleeve, and a connecting plate is fixedly connected to the top of the sliding plate. The thread core head body is installed through the installation mechanism in the device, and the problems that an existing thread core head is complex in replacement and disassembly operation and low in replacement efficiency are solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to thread core head technical field, concretely is a kind of high-strength hard alloy thin-wall thread core head. BACKGROUND

[0002] Thin-wall thread core head is the equipment for internal thread copper pipe manufacturing, but the existing thread core head still has shortcomings, specifically: the existing thread core head replacement dismounting operation is more cumbersome, and replacement efficiency is lower.

[0003] Therefore, a high-strength hard alloy thin-wall thread core head is needed to solve the problems raised in the above background. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of high-strength hard alloy thin-wall thread core head to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of high-strength hard alloy thin-wall thread core head, including thread core head body, the inner wall of the thread core head body is provided with mounting mechanism;

[0007] The mounting mechanism includes the fixed plate fixedly connected in the inner wall of thread core head body, the inside of the fixed plate is slidably connected with positioning pin, the outer wall of the positioning pin and in the fixed plate fixedly connected with connecting sleeve, the outer wall of the positioning pin and in the connecting sleeve fixedly connected with piston plate, the outer wall of the piston plate and at the position away from positioning pin fixedly connected with return spring, the inside of the connecting sleeve and above piston plate fixedly connected with sliding plate, the top of the sliding plate is fixedly connected with connecting plate, the outer wall of the connecting plate is fixedly connected with sliding rod, the outer wall of the sliding rod and in the connecting sleeve outside fixedly connected with adjusting ring, the top of the connecting plate is fixedly connected with compression spring, the outer wall of the connecting sleeve is equipped with mounting screw hole.

[0008] As the preferred scheme of the utility model, the thread core head body is made of high-strength hard alloy.

[0009] As the preferred scheme of the utility model, the fixed plate, positioning pin, connecting plate and sliding rod are all made of stainless steel, the connecting sleeve penetrates and extends to the outside of fixed plate, the connection mode of return spring, compression spring and fixed plate is all fixed connection.

[0010] As the preferred scheme of the utility model, the piston plate, sliding plate and adjusting ring are all made of ABS plastic, the positioning pin penetrates fixed plate and extends into connecting sleeve, the connection mode of adjusting ring, piston plate, connecting plate, sliding rod and connecting sleeve is all sliding connection.

[0011] As the preferred scheme of the utility model, the positioning pin, the piston plate, the sliding rod and the mounting screw hole are provided with multiple groups, and the piston plate is designed in a circular structure.

[0012] As the preferred scheme of the utility model, the sliding rod penetrates and extends to the outside of the connecting sleeve, and the connecting plate is designed in an I-shaped structure.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、In the utility model, the high-strength hard alloy thin-wall threaded core head is designed, the threaded core head body is installed by the mounting mechanism in the device, the connecting sleeve is installed at a suitable position by using the fixed screw, when the threaded core head body needs to be replaced, the adjusting ring is pushed, the adjusting ring drives the connecting plate to move upward through the sliding ring, the connecting plate moving upward drives the sliding plate to rise, along with the rising of the sliding plate, the space in the connecting sleeve increases, the air pressure in the connecting sleeve decreases, the reset spring pushes the piston plate to move inward, the piston plate moving inward drives the positioning pin to exit the fixed plate, the positioning pin no longer clamps the fixed plate, the threaded core head body is pulled, and the threaded core head body is dismounted from the connecting sleeve, so that the threaded core head replacement and dismounting operation is relatively simple, and the replacement efficiency is relatively low. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a front view of the utility model;

[0017] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 2 It is an enlarged view of A in the utility model.

[0018] In the drawing: 1, threaded core head body; 2, mounting mechanism; 201, fixed plate; 202, positioning pin; 203, connecting sleeve; 204, piston plate; 205, reset spring; 206, sliding plate; 207, connecting plate; 208, sliding rod; 209, adjusting ring; 210, compression spring; 211, mounting screw hole. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] For the convenience of understanding the present application, the present application will be described more fully below with reference to the accompanying drawings, wherein several embodiments of the present application are given, however, the present application can be realized in many different forms and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be an intervening element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs, the terminology used in the specification of the present application is only for the purpose of describing specific embodiments and is not intended to limit the present application, the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] Embodiment, please refer to Figures 1-3 The present application provides a technical scheme:

[0024] A high-strength hard alloy thin-wall threaded core head, comprising a threaded core head body 1, an installation mechanism 2 is arranged on the inner wall of the threaded core head body 1;

[0025] The threaded core head body 1 is made of high-strength hard alloy;

[0026] In this embodiment, referring to Figure 2 And Figure 3 The installation mechanism 2 comprises a fixed plate 201 fixedly connected to the inner wall of the threaded core head body 1, a positioning pin 202 slidably connected to the inside of the fixed plate 201, a connecting sleeve 203 fixedly connected to the outer wall of the positioning pin 202 and in the fixed plate 201, a piston plate 204 fixedly connected to the outer wall of the positioning pin 202 and in the connecting sleeve 203, a return spring 205 fixedly connected to the outer wall of the piston plate 204 and away from the positioning pin 202, a sliding plate 206 fixedly connected to the inside of the connecting sleeve 203 and above the piston plate 204, a connecting plate 207 fixedly connected to the top of the sliding plate 206, a sliding rod 208 fixedly connected to the outer wall of the connecting plate 207, an adjusting ring 209 fixedly connected to the outer wall of the sliding rod 208 and outside the connecting sleeve 203, a compression spring 210 fixedly connected to the top of the connecting plate 207, and a mounting screw hole 211 formed in the outer wall of the connecting sleeve 203.

[0027] The fixed plate 201, the positioning pin 202, the connecting plate 207 and the sliding rod 208 are all made of stainless steel, the connecting sleeve 203 penetrates and extends to the outside of the fixed plate 201, the reset spring 205 and the compression spring 210 are all fixedly connected with the fixed plate 201, the adjusting ring 209, the piston plate 204, the connecting plate 207 and the sliding rod 208 are all made of ABS plastic, the positioning pin 202 penetrates the fixed plate 201 and extends to the inside of the connecting sleeve 203, the adjusting ring 209, the piston plate 204, the connecting plate 207 and the sliding rod 208 are all slidingly connected with the connecting sleeve 203, the positioning pin 202, the piston plate 204, the sliding rod 208 and the mounting screw hole 211 are all provided with multiple groups, the piston plate 204 is designed in a circular structure, the sliding rod 208 penetrates and extends to the outside of the connecting sleeve 203, the connecting plate 207 is designed in an I-shaped structure, when the threaded core body 1 needs to be replaced, the adjusting ring 209 is pushed, the adjusting ring 209 drives the connecting plate 207 to move upwards through the sliding plate 206, the connecting plate 207 moving upwards drives the sliding plate 206 to rise, along with the rising of the sliding plate 206, the space in the connecting sleeve 203 increases, the air pressure in the connecting sleeve 203 decreases, the reset spring 205 pushes the piston plate 204 to move inwards, the piston plate 204 moving inwards drives the positioning pin 202 to exit the fixed plate 201, the positioning pin 202 no longer clamps the fixed plate 201, the threaded core body 1 is pulled and dismounted from the connecting sleeve 203.

[0028] The working process of the utility model: when the high-strength hard alloy thin-wall threaded core head designed by the scheme is used, the connecting sleeve 203 is installed at a suitable position by using a fixing screw, when the threaded core body 1 needs to be replaced, the adjusting ring 209 is pushed, the adjusting ring 209 drives the connecting plate 207 to move upwards through the sliding plate 206, the connecting plate 207 moving upwards drives the sliding plate 206 to rise, along with the rising of the sliding plate 206, the space in the connecting sleeve 203 increases, the air pressure in the connecting sleeve 203 decreases, the reset spring 205 pushes the piston plate 204 to move inwards, the piston plate 204 moving inwards drives the positioning pin 202 to exit the fixed plate 201, the positioning pin 202 no longer clamps the fixed plate 201, the threaded core body 1 is pulled and dismounted from the connecting sleeve 203, the new threaded core body 1 is sleeved on the connecting sleeve 203, the adjusting ring 209 is loosened, the compression spring 210 pushes the connecting plate 207 and the sliding plate 206 to move downwards, the sliding plate 206 moving downwards reduces the space in the connecting sleeve 203, the air pressure in the connecting sleeve 203 returns to normal, the piston plate 204 moves outwards under the action of the pressure difference on both sides, the piston plate 204 moving outwards pushes the positioning pin 202 to insert into the fixed plate 201, and the new threaded core body 1 is fixed on the connecting sleeve 203.

[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A high-strength thin-walled threaded carbide tip comprising a threaded tip body (1), characterized in that: The inner wall of the threaded core body (1) is provided with a mounting mechanism (2); The mounting mechanism (2) comprises a fixed plate (201) fixedly connected to the inner wall of the threaded core body (1), the inside of the fixed plate (201) is slidably connected with a positioning pin (202), the outer wall of the positioning pin (202) and in the fixed plate (201) is fixedly connected with a connecting sleeve (203), the outer wall of the positioning pin (202) and in the connecting sleeve (203) is fixedly connected with a piston plate (204), the outer wall of the piston plate (204) and at the position away from the positioning pin (202) is fixedly connected with a return spring (205), the inside of the connecting sleeve (203) and above the piston plate (204) is fixedly connected with a sliding plate (206), the top of the sliding plate (206) is fixedly connected with a connecting plate (207), the outer wall of the connecting plate (207) is fixedly connected with a sliding rod (208), the outer wall of the sliding rod (208) and outside the connecting sleeve (203) is fixedly connected with an adjusting ring (209), the top of the connecting plate (207) is fixedly connected with a compression spring (210), and the outer wall of the connecting sleeve (203) is provided with a mounting screw hole (211).

2. A high strength cemented carbide thin-walled threaded core pin according to claim 1, characterized in that: The threaded core body (1) is made of high-strength hard alloy.

3. A high strength cemented carbide thin-walled threaded core pin according to claim 1, characterized in that: The fixed plate (201), the positioning pin (202), the connecting plate (207) and the sliding rod (208) are all made of stainless steel, the connecting sleeve (203) penetrates and extends to the outside of the fixed plate (201), and the return spring (205) and the compression spring (210) are both fixedly connected with the fixed plate (201).

4. A high strength cemented carbide thin-walled threaded core pin according to claim 1, characterized in that: The piston plate (204), the sliding plate (206) and the adjusting ring (209) are all made of ABS plastic, the positioning pin (202) penetrates the fixed plate (201) and extends into the connecting sleeve (203), and the adjusting ring (209), the piston plate (204), the connecting plate (207), the sliding rod (208) and the connecting sleeve (203) are all slidably connected.

5. A high strength cemented carbide thin-walled threaded core pin according to claim 1, characterized in that: The positioning pin (202), the piston plate (204), the sliding rod (208) and the mounting screw hole (211) are all provided with multiple groups, and the piston plate (204) is designed in a circular structure.

6. A high strength cemented carbide thin-walled threaded core pin according to claim 1, characterized in that: The sliding rod (208) penetrates and extends to the outside of the connecting sleeve (203), and the connecting plate (207) is designed in an I-shaped structure.