Flange based on precision casting

Abstract

The utility model relates to the technical field of precision casting, and discloses a flange based on precision casting, which comprises a lower flange ring, the top of the lower flange ring is attached to the bottom of an upper flange ring, the lower flange ring is provided with an auxiliary mounting mechanism, the mounting mechanism is provided with a safety mechanism, the mounting mechanism comprises an outer positioning ring, an inner positioning ring and an inner positioning ring, the inner wall of the outer positioning ring is fixedly connected with the inner wall of the lower flange ring, the flange based on precision casting is provided with an installation mechanism, when the lower flange ring and the upper flange ring are in threaded connection through the through holes, the positioning pins are aligned to the bottom of the upper flange ring, and the sliding rods are inserted into the insertion grooves of the outer positioning ring during installation; and after complete insertion, the limiter is pushed by the reset spring to be clamped into the bottom of the outer positioning ring, at the moment, the lower flange ring and the upper flange ring are in a locked state and can be subjected to threaded installation, and the mechanism can improve the installation precision and the installation stability of the flange.

Description

Technical Field

[0001] This utility model relates to the field of precision casting technology, specifically to a flange based on precision casting. Background Technology

[0002] A flange, also called a flange plate or flange, is a part used to connect shafts, for connecting pipe ends; flanges are also used on equipment inlets and outlets to connect two pieces of equipment, such as speed reducer flanges. A flange connection or flange joint refers to a detachable connection consisting of a flange, gasket, and bolts connected together as a combined sealing structure.

[0003] Most flanges on the market currently lack a device for precise positioning during installation. Simply using bolts for installation will result in a certain degree of positional deviation, affecting the performance. Summary of the Invention

[0004] The purpose of this invention is to provide a flange based on precision casting to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a flange based on precision casting, comprising a lower flange ring, the top of which fits against the bottom of an upper flange ring, the lower flange ring being provided with an auxiliary installation mechanism, the installation mechanism being provided with a safety mechanism, the installation mechanism comprising:

[0006] An outer positioning ring, the inner wall of which is fixedly connected to the inner wall of the lower flange ring, the inner wall of which is in contact with the side wall of the sliding rod, the inner wall of which is fixedly connected to one end of the return spring, the top inner wall of which is in contact with the top groove of the upper flange ring, the end of the return spring away from the sliding rod being fixedly connected to the inner wall of the limiter, and the top of the limiter being in contact with the bottom of the outer positioning ring;

[0007] The positioning pin has its bottom fixedly connected to the top of the lower flange ring and its top abutting against the bottom of the upper flange ring. The side wall of the outer positioning ring is slidably connected to the inner wall of the unlocking slider. The side wall of the unlocking slider is abutting against the outer wall of the limiter. The side wall of the unlocking slider is fixedly connected to one end of the unlocking spring. The end of the unlocking spring away from the unlocking slider is fixedly connected to the inner wall of the outer positioning ring.

[0008] Preferably, the sidewall of the unlocking slider is rotatably connected to the rotating shaft, the sidewall of the rotating shaft is fixedly connected to the inner wall of the safety block, and the outer wall of the safety block is fitted with the sidewall groove of the outer positioning ring.

[0009] Preferably, the inner wall of the lower flange ring is provided with through holes, and four sets of through holes are provided. The four sets of through holes are arranged in a circular equidistant array on the inner wall of the lower flange ring. The through holes of the upper flange ring are matched with the size of the positioning pins of the lower flange ring, and the positioning pins are elastic telescopic rods.

[0010] Preferably, the sliding rod is provided in two sets, and the two sets of sliding rods are symmetrically arranged on the inner wall of the outer positioning ring with the outer positioning ring as the center line.

[0011] Preferably, the insurance mechanism is provided in two sets, and the two sets of insurance mechanisms are symmetrically arranged on the side wall of the outer positioning ring with the outer positioning ring as the center line.

[0012] Preferably, there are two sets of locating pins, and the two sets of locating pins are symmetrically arranged on the top of the lower flange ring with the lower flange ring as the center line.

[0013] Compared with the prior art, this utility model provides a flange based on precision casting, which has the following advantages:

[0014] 1. This precision-cast flange is equipped with an installation mechanism. When the lower flange ring and the upper flange ring are connected by threads through the through hole, the positioning pin is aligned with the bottom of the upper flange ring. During installation, the sliding rod is inserted into the slot of the outer positioning ring. After full insertion, the limiter is pushed into the bottom of the outer positioning ring by the return spring. At this time, the lower flange ring and the upper flange ring are in a locked state and can be threaded. When it is necessary to disassemble, the unlocking slider is pressed against the limiter, causing it to retract into the inner wall of the sliding rod. At this time, the upper flange ring can be removed. This mechanism can improve the installation accuracy and stability of the flange and improve work efficiency.

[0015] 2. The flange based on precision casting is equipped with a safety mechanism. The outer wall of the unlocking slider is provided with a rotating shaft, and the side wall of the rotating shaft is provided with a safety block. The side wall of the safety block has a protruding part. Under normal circumstances, the protruding part of the safety block will be embedded in the side wall groove of the outer positioning ring, so that the unlocking slider is in a locked state, preventing accidental activation during installation or disassembly and improving the safety of the product. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0017] Figure 2 This is a schematic diagram of the installation mechanism structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the insurance institution structure of this utility model.

[0019] In the diagram: 1. Lower flange ring; 2. Upper flange ring; 3. Mounting mechanism; 4. Safety mechanism; 301. Outer positioning ring; 302. Sliding rod; 303. Return spring; 304. Limiter; 305. Positioning pin; 306. Unlocking slider; 307. Unlocking spring; 401. Rotating shaft; 402. Safety block. Detailed Implementation

[0020] like Figures 1-3 As shown, this utility model provides a technical solution: a flange based on precision casting, including a lower flange ring 1, the top of the lower flange ring 1 being fitted with the bottom of the upper flange ring 2, the lower flange ring 1 being provided with an auxiliary installation mechanism 3, and the installation mechanism 3 being provided with a safety mechanism 4.

[0021] The aforementioned installation mechanism 3 includes: an outer positioning ring 301, a sliding rod 302, a return spring 303, a limiter 304, a positioning pin 305, an unlocking slider 306, and an unlocking spring 307. The inner wall of the outer positioning ring 301 is fixedly connected to the inner wall of the lower flange ring 1. The inner wall of the outer positioning ring 301 is in contact with the side wall of the sliding rod 302. The sliding rod 302 is used to limit and fix the upper flange ring 2 and the lower flange ring 1. The inner wall of the sliding rod 302 is fixedly connected to one end of the return spring 303. The top inner wall of the sliding rod 302 is in contact with the top groove of the upper flange ring 2. The end of the return spring 303 away from the sliding rod 302 is fixedly connected to the inner wall of the limiter 304. The return spring 303 is used to assist in limiting... The limiter 304 pops out and resets, with its top abutting against the bottom of the outer positioning ring 301. The positioning pin 305 is fixedly connected to the top of the lower flange ring 1 for precise positioning, and its top abutting against the bottom of the upper flange ring 2. The sidewall of the outer positioning ring 301 slides against the inner wall of the unlocking slider 306, which abuts against the outer wall of the limiter 304. The sidewall of the unlocking slider 306 is fixedly connected to one end of the unlocking spring 307, with the end of the unlocking spring 307 away from the unlocking slider 306 fixedly connected to the inner wall of the outer positioning ring 301. The unlocking spring 307 helps the unlocking slider 306 reset. The sidewall of the unlocking slider 306 is rotatably connected to the rotating shaft 401, which is fixedly connected to the inner wall of the safety block 402. The outer wall of the safety block 402 abuts against the groove on the sidewall of the outer positioning ring 301. The inner wall of the lower flange ring 1 has four sets of through holes, arranged in a circular, equidistant array on the inner wall of the lower flange ring 1. The through holes of the upper flange ring 2 are matched in size with the positioning pins 305 on the lower flange ring 1. The positioning pins 305 are elastic telescopic rods. Two sets of sliding rods 302 are arranged symmetrically along the centerline of the outer positioning ring 301 on the inner wall of the outer positioning ring 301. Two sets of safety mechanisms 4 are arranged symmetrically along the centerline of the outer positioning ring 301 on the side wall of the outer positioning ring 301. Two sets of positioning pins 305 are arranged symmetrically along the centerline of the lower flange ring 1 on the top of the lower flange ring 1.

[0022] Working principle: When the lower flange ring 1 and the upper flange ring 2 are connected by threads through the through hole, the positioning pin 305 is aligned with the bottom of the upper flange ring 2. During installation, the sliding rod 302 is inserted into the slot of the outer positioning ring 301. After full insertion, the limiter 304 is pushed into the bottom of the outer positioning ring 301 by the return spring 303. At this time, the lower flange ring 1 and the upper flange ring 2 are locked and can be installed by threads. When it is necessary to disassemble, the unlocking slider 306 is pressed against the limiter 304, causing it to retract into the inner wall of the sliding rod 302. At this time, the upper flange ring 2 can be removed. This mechanism can improve the installation accuracy and stability of the flange and improve work efficiency.

[0023] The outer wall of the unlocking slider 306 is provided with a rotating shaft 401, and the side wall of the rotating shaft 401 is provided with a safety block 402. The side wall of the safety block 402 has a protruding part. Under normal circumstances, the protruding part of the safety block 402 will be embedded in the side wall groove of the outer positioning ring 301, so that the unlocking slider 306 is in a locked state, preventing accidental contact during installation or disassembly and improving the safety of the product.

[0024] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A flange based on precision casting, comprising a lower flange ring (1), characterized in that: The top of the lower flange ring (1) fits against the bottom of the upper flange ring (2). The lower flange ring (1) is provided with an auxiliary installation mechanism (3). The installation mechanism (3) is provided with a safety mechanism (4). The installation mechanism (3) includes: The outer positioning ring (301) has its inner wall fixedly connected to the inner wall of the lower flange ring (1), and its inner wall is in contact with the side wall of the sliding rod (302). The inner wall of the sliding rod (302) is fixedly connected to one end of the return spring (303), and the top inner wall of the sliding rod (302) is in contact with the top groove of the upper flange ring (2). The end of the return spring (303) away from the sliding rod (302) is fixedly connected to the inner wall of the limiter (304), and the top of the limiter (304) is in contact with the bottom of the outer positioning ring (301). The positioning pin (305) is fixedly connected to the top of the lower flange ring (1) at its bottom and to the bottom of the upper flange ring (2) at its top. The side wall of the outer positioning ring (301) is slidably connected to the inner wall of the unlocking slider (306). The side wall of the unlocking slider (306) is attached to the outer wall of the limiter (304). The side wall of the unlocking slider (306) is fixedly connected to one end of the unlocking spring (307). The end of the unlocking spring (307) away from the unlocking slider (306) is fixedly connected to the inner wall of the outer positioning ring (301).

2. The flange based on precision casting according to claim 1, characterized in that: The side wall of the unlocking slider (306) is rotatably connected to the rotating shaft (401), the side wall of the rotating shaft (401) is fixedly connected to the inner wall of the safety block (402), and the outer wall of the safety block (402) is fitted with the side wall groove of the outer positioning ring (301).

3. A flange based on precision casting according to claim 1, characterized in that: The inner wall of the lower flange ring (1) is provided with through holes. There are four sets of through holes. The four sets of through holes are arranged in a circular equidistant array on the inner wall of the lower flange ring (1). The through holes of the upper flange ring (2) are matched with the size of the positioning pin (305) of the lower flange ring (1). The positioning pin (305) is an elastic telescopic rod.

4. A flange based on precision casting according to claim 1, characterized in that: The sliding rod (302) is provided in two sets, and the two sets of sliding rods (302) are symmetrically arranged on the inner wall of the outer positioning ring (301) with the outer positioning ring (301) as the center line.

5. A flange based on precision casting according to claim 2, characterized in that: The insurance mechanism (4) is provided in two sets, and the two sets of insurance mechanisms (4) are symmetrically arranged on the side wall of the outer positioning ring (301) with the outer positioning ring (301) as the center line.

6. A flange based on precision casting according to claim 1, characterized in that: The locating pins (305) are provided in two sets, and the two sets of locating pins (305) are symmetrically arranged on the top of the lower flange ring (1) with the center line of the lower flange ring (1).

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