Mechanical pressure relief structure
By designing a mechanical pressure relief structure composed of sealing plate, spring, adjustment nut and adjustment rod in positive pressure electrical equipment, the problem of inaccurate pressure detection caused by the damage to the electronic components of the equipment is solved, and safety in an emergency situation is achieved Relieve pressure and avoid accidents.
Patent Information
- Application Number
- CN202323604431.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2033-12-28
AI Technical Summary
During the inspection process, existing positive pressure electrical equipment is prone to inaccurate pressure detection due to damage to electronic components, which may cause equipment accidents and lack an effective mechanical pressure relief mechanism.
An adjustable pressure relief structure consisting of a sealing plate, spring, adjustment nut and adjustment rod is designed. By welding flanges and sealing rings, the pressure relief gas is relieved in emergency situations by using the mechanical method of the adjustment nut and adjustment rod to prevent equipment accidents.
It provides a mechanical pressure relief structure that can mechanically relieve pressure in an emergency, avoid equipment accidents caused by damage to the detection element, and ensure safe operation of the equipment.
Smart Images
Figure CN222316057U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of positive pressure electrical equipment, in particular to a mechanical pressure relief structure. Background Art
[0002] At present, with the technological progress in photovoltaic, semiconductor, electronic circuit and other fields in my country, various materials used by enterprises, such as film capacitors, film sensors, electronic ceramics, magnetic materials, powder metallurgy materials, microwave ferrites, and rare earth materials, require precise time and temperature standards for heating and processing. Therefore, intelligent and automated complete sets of high-temperature processing equipment have become a hot spot in domestic demand. Among them, the newer and higher-end box furnaces, bell furnaces and other equipment are mostly equipped with air, oxygen or special gas protective atmospheres to prevent external dust and impurities from entering the furnace body and affecting product quality. For these positive pressure equipment, most domestic products currently use electronic components to detect equipment pressure. Due to the precise characteristics of electronic components, the machine may be damaged due to electronic components, resulting in inaccurate equipment detection pressure and causing accidents. In order to avoid this problem, a mechanical pressure relief structure with adjustable pressure relief pressure composed of a sealing plate, a spring, an adjusting nut, and an adjusting rod is designed and provided; this structure is used in positive pressure equipment, and can mechanically relieve pressure in an emergency to prevent equipment accidents caused by damage to the detection components. Utility Model Content
[0003] The purpose of the utility model is to provide a mechanical pressure relief structure to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A mechanical pressure relief structure: a flange is welded on the top of the furnace, a pressure relief hole is provided in the middle of the flange, a sealing ring is installed on the pressure relief hole, a sealing plate is installed above the flange, a plurality of threaded holes are opened on the sealing plate, a plurality of adjusting rods are installed above the sealing plate, an integrated adjusting nut is provided on the upper end of the adjusting rod, an adjusting spring is sleeved on the adjusting rod between the adjusting nut and the sealing plate, the adjusting rod passes through the threaded hole on the sealing plate and is pressed on the upper end of the flange or the sealing ring.
[0006] Preferably, the sealing ring is clamped in a preset annular groove on the upper surface of the flange.
[0007] Preferably, the adjusting nut and the adjusting rod are integrally formed, and the adjusting rod can be driven to rise or fall when the adjusting nut is rotated.
[0008] Preferably, several of the adjusting rods are located above the sealing ring, and the lower ends of the adjusting rods are directly pressed on the sealing ring.
[0009] Preferably, there are several adjusting rods located at the periphery of the sealing ring, and the lower ends of these peripheral adjusting rods are directly pressed on the upper end surface of the flange.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The utility model provides a mechanical pressure relief structure composed of a sealing plate, a spring, an adjusting nut and an adjusting rod, which can adjust the pressure relief pressure. The structure is used in positive pressure equipment and can mechanically relieve pressure in an emergency to prevent equipment accidents caused by damage to detection elements. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 It is a schematic cross-sectional view of the utility model taken along the AA line.
[0014] In the figure: 1. flange; 2. sealing ring; 3. sealing plate; 4. adjusting rod; 5. adjusting nut; 6. adjusting spring. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0017] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0018] See also Figure 1-2The utility model provides a technical solution: a mechanical pressure relief structure: a flange is welded on the top of the furnace, a pressure relief hole is provided in the middle of the flange, a sealing ring is installed on the pressure relief hole, a sealing plate is installed above the flange, a plurality of threaded holes are opened on the sealing plate, a plurality of adjusting rods are installed above the sealing plate, an integrated adjusting nut is arranged on the upper end of the adjusting rod, an adjusting spring is sleeved on the adjusting rod between the adjusting nut and the sealing plate, the adjusting rod passes through the threaded hole on the sealing plate and is pressed on the upper end of the flange or the sealing ring.
[0019] Furthermore, the sealing ring is clamped in a preset annular groove on the upper surface of the flange.
[0020] Furthermore, the adjusting nut and the adjusting rod are integrally formed, and the adjusting rod can be driven to rise or fall when the adjusting nut is rotated.
[0021] Furthermore, several of the adjusting rods are located above the sealing ring, and the lower ends of these adjusting rods are directly pressed on the sealing ring.
[0022] Furthermore, several of the adjusting rods are located outside the sealing ring, and the lower ends of the adjusting rods outside the sealing ring are directly pressed on the upper end surface of the flange.
[0023] Working principle: When the electronic detection element of the positive pressure equipment has obvious numerical errors or the equipment directly reports an error, the operator can manually or use a tool to directly turn the adjusting nut to move the adjusting rod upward and no longer press the sealing ring. At this time, the internal gas of the equipment is discharged from the pressure relief hole, effectively avoiding accidents.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mechanical pressure relief structure, characterized in that: A flange is welded on the top of the furnace, and a pressure relief hole is provided in the middle of the flange. A sealing ring is installed on the pressure relief hole. A sealing plate is installed above the flange, and a plurality of threaded holes are opened on the sealing plate. A plurality of adjusting rods are installed above the sealing plate. An integrated adjusting nut is provided on the upper end of the adjusting rod. An adjusting spring is installed on the adjusting rod between the adjusting nut and the sealing plate. The adjusting rod passes through the threaded hole on the sealing plate and is pressed on the upper end of the flange or the sealing ring.
2. The mechanical pressure relief structure according to claim 1, characterized in that: The sealing ring is clamped in an annular groove preset on the upper surface of the flange.
3. The mechanical pressure relief structure according to claim 1, characterized in that: The adjusting nut and the adjusting rod are integrally formed, and the adjusting rod can be driven to rise or fall when the adjusting nut is rotated.
4. The mechanical pressure relief structure according to claim 1, characterized in that: The adjusting rods are provided in plurality and are located above the sealing ring, and the lower ends of the adjusting rods are directly pressed on the sealing ring.
5. The mechanical pressure relief structure according to claim 1, characterized in that: The adjusting rods are provided in plurality and are located at the periphery of the sealing ring, and the lower ends of the adjusting rods at the periphery are directly pressed on the upper end surface of the flange.