CN221037792U - Chemical safety pressure monitor - Google Patents

Abstract

The utility model discloses a chemical safety pressure monitor, which comprises a base, wherein the top end of the base is connected with an inner pipe body in a penetrating way, a pressurizing assembly is arranged in the inner pipe body, the pressurizing assembly comprises an inner barrel, a telescopic rod, a valve plate, a fixed plate and a spring, the telescopic rod is connected to the bottom of the inner barrel in a telescopic way, the bottom end of the telescopic rod is fixedly connected with the valve plate, the valve plate is blocked at a connecting port of the base and the inner pipe body, and the spring is arranged between the fixed plate and the valve plate; personnel accessible rotates threaded rod promotion fixed plate and pushes down to compress the spring, through connecting cover and scale mark, personnel can read out the distance that the spring was compressed, thereby alright judge the elasticity size that the spring provided, the elasticity of spring is just the size of the pretightning force of appling the valve board, through this kind of mode, can let pretightning force visual, make things convenient for personnel accurate to exert required pretightning force through adjusting part and pressurization subassembly.

Description

Chemical safety pressure monitor

Technical Field

The utility model belongs to the technical field of pressure detectors, and particularly relates to a chemical safety pressure monitor.

Background

In chemical industry, in order to ensure safety, pressure detection is often required for chemical equipment, and in the chinese patent application with the application number CN202321033419.8, a chemical safety pressure detector with an overpressure alarm structure is described, and in the patent, a purely mechanical pressure detector is designed to perform pressure detection, and also has an overpressure alarm function.

However, the above patent still has certain drawbacks in the actual use process, the conical head is driven to press down by rotating the screw rod, so that certain pretightening force can be applied to the inner pipe body, but the pretightening force personnel cannot visualize, and the personnel can hardly judge to what extent the conical head needs to be pressed down to reach the required pretightening force, which causes certain trouble to the actual use of the device, so that a new pressure detector needs to be designed in addition to solve the problem.

Disclosure of utility model

The utility model aims to provide a chemical safety pressure monitor, which solves the problem that the pretightening force applied in the inner pipe body cannot be accurately judged in the use process of the cited patent in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a chemical industry safety pressure monitor, includes the base, the top through connection of base has interior body, interior body's inside is provided with the pressurization subassembly, the pressurization subassembly includes inner tube, telescopic link, valve board, fixed plate and spring, telescopic link telescopic connection is in the bottom of inner tube, telescopic link bottom fixedly connected with valve board, and the valve board is stifled in the connector department of base and interior body, the spring setting is between fixed plate and valve board, the top of pressurization subassembly is connected with adjusting part, adjusting part includes threaded rod, spiral handle and junction housing, the threaded rod rotates the setting at the inner tube top, with interior body threaded connection and stretches out interior body, the junction housing is fixed on the threaded rod to cover in the outside of interior body, interior body's surface is located the bottom below of junction housing and is provided with the scale mark.

Preferably, the fixed plate is fixed on the outer surface of the bottom end of the inner cylinder, the spring is sleeved on the outer side of the telescopic rod, and the upper end and the lower end of the spring are fixedly connected with the fixed plate and the valve plate respectively.

Preferably, the pressurizing assembly further comprises a sandwich plate and a limiting sliding groove, the sandwich plate is fixed inside the inner pipe body, the limiting sliding groove is formed in the sandwich plate, and the inner barrel is rectangular in overlooking and penetrates through the limiting sliding groove which is also rectangular in structure in a sliding mode.

Preferably, the top end of the threaded rod extends out of the connecting cover and is fixedly connected with the rotary handle, and anti-skid patterns are formed on the surface of the rotary handle.

Preferably, one side of the base is connected with a pressure gauge, and the bottom end of the base is provided with a flange.

Preferably, a pressure release alarm assembly is arranged on one side surface of the inner pipe body, the pressure release alarm assembly comprises a mounting hole, a pressure release pipe, a conical pipe, a spherical cover, a metal ball and an exhaust port, the mounting hole penetrates through one side surface of the inner pipe body, one end An Chajin of the pressure release pipe is arranged in the mounting hole, the conical pipe is connected to one end top of the pressure release pipe, the spherical cover is fixedly connected to the top of the conical pipe, the metal ball is arranged in the spherical cover, and the exhaust port is fixed to the top of the spherical cover.

Preferably, the pressure release pipe, the conical pipe, the spherical cover and the exhaust port are all in through connection, and the diameter of the metal ball is one and five times of the aperture of the connection part of the conical pipe and the spherical cover and the exhaust port.

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

Personnel accessible rotates threaded rod promotion fixed plate and pushes down to compress the spring, through connecting cover and scale mark, personnel can read out the distance that the spring was compressed, thereby alright judge the elasticity size that the spring provided, the elasticity of spring is just the size of the pretightning force of appling the valve board, through this kind of mode, can let pretightning force visual, make things convenient for personnel accurate to exert required pretightning force through adjusting part and pressurization subassembly.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of a portion of the junction of the pressure module and the adjustment module of FIG. 1 in accordance with the present utility model;

FIG. 3 is a front view of the inner tubular body of FIG. 1 according to the present utility model;

FIG. 4 is an enlarged view of a portion of the pressure relief alarm assembly of FIG. 1 in accordance with the present utility model;

In the figure: 100. a base; 200. a pressure gauge; 300. an inner tube body; 400. a pressurizing assembly; 401. an inner cylinder; 402. a telescopic rod; 403. a valve plate; 404. a fixing plate; 405. a spring; 406. a sandwich panel; 407. a limit sliding groove; 500. an adjustment assembly; 501. a threaded rod; 502. a rotary handle; 503. a connection cover; 600. a pressure relief alarm assembly; 601. a mounting hole; 602. a pressure relief tube; 603. a conical tube; 604. a spherical cap; 605. a metal ball; 606. an exhaust port; 700. graduation marks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a chemical industry safety pressure monitor, including base 100, one side of base 100 is connected with manometer 200, the bottom of base 100 is provided with the flange, the accessible flange is installed base 100 on chemical industry equipment, the inside pressure of equipment can be acted on the base 100 inside, and be shown by manometer 200, the top of base 100 is through being connected with interior body 300, the inside of interior body 300 is provided with the pressurization subassembly 400, the pressurization subassembly 400 includes inner tube 401, telescopic link 402, valve plate 403, fixed plate 404 and spring 405, telescopic link 402 telescopic link is in the bottom of inner tube 401, telescopic link 402 bottom fixedly connected with valve plate 403, and valve plate 403 blocks up the connector department of base 100 and interior body 300, the pressure that transmits the inside of base 100 can act on valve plate 403, and produce ascending thrust to valve plate 403, spring 405 sets up between fixed plate 404 and valve plate 403, the top of the pressurizing assembly 400 is connected with an adjusting assembly 500, the pretightening force to be applied can be adjusted, the adjusting assembly 500 comprises a threaded rod 501, a rotating handle 502 and a connecting cover 503, the threaded rod 501 is rotatably arranged at the top of the inner cylinder 401, is in threaded connection with the inner cylinder 300 and extends out of the inner cylinder 300, a person can drive a fixing plate 404 to be pressed down by rotating the threaded rod 501 so as to compress a spring 405, the resilience force of the spring 405 acts on a valve plate 403, the resilience force is pretightening force to be applied, the connecting cover 503 is fixed on the threaded rod 501 and covers the outer side of the inner cylinder 300, a scale mark 700 is arranged on the surface of the inner cylinder 300 below the bottom end of the connecting cover 503, the threaded rod 501 can drive the connecting cover 503 to move downwards together when moving downwards, and the distance of the connecting cover 503 is the distance of the compression of the spring 405, so that the person can produce the elastic limit of the spring 405 in advance, the size of the rebound force of the spring 405 is directly used as the scale mark 700 to be carved on the outer surface of the inner tube 300 under different compression distances, and the size of the pretightening force is directly read out through the downward moving position of the connecting cover 503, which is very convenient.

In this embodiment, preferably, the fixing plate 404 is fixed on the outer surface of the bottom end of the inner cylinder 401, the spring 405 is sleeved on the outer side of the telescopic rod 402, the upper end and the lower end of the spring 405 are fixedly connected with the fixing plate 404 and the valve plate 403 respectively, a person can compress the spring 405 in advance, and apply a pretightening force to the valve plate 403 through the resilience force of the spring 405, and when the pressure in the chemical equipment exceeds the pretightening force, the valve plate 403 can be jacked up.

In this embodiment, preferably, the pressurizing assembly 400 further includes a sandwich plate 406 and a limiting sliding groove 407, which can play a limiting role on the inner cylinder 401, the sandwich plate 406 is fixed inside the inner tube 300, the limiting sliding groove 407 is formed inside the sandwich plate 406, the inner cylinder 401 is rectangular in top view and slides through the limiting sliding groove 407 which is also rectangular in structure, when the threaded rod 501 is rotated, the sandwich plate 406 and the limiting sliding groove 407 can limit the inner cylinder 401 to prevent the inner cylinder 401 from rotating along with the threaded rod 501.

In this embodiment, preferably, the top end of the threaded rod 501 extends out of the connecting cover 503 and is fixedly connected with the rotating handle 502, and the surface of the rotating handle 502 is provided with anti-slip patterns, so that the threaded rod 501 can be rotated conveniently.

In this embodiment, preferably, a pressure release alarm assembly 600 is disposed on a side surface of the inner pipe 300, and can play a role of pressure release and alarm, the pressure release alarm assembly 600 includes a mounting hole 601, a pressure release pipe 602, a conical pipe 603, a spherical cover 604, a metal ball 605 and an exhaust port 606, the mounting hole 601 penetrates through a side surface of the inner pipe 300, one end An Chajin of the pressure release pipe 602 is disposed inside the mounting hole 601, when the pressure inside the chemical equipment exceeds a preset pretightening force, a valve plate 403 is jacked up, gas enters the inside of the pressure release pipe 602, the conical pipe 603 is connected to one end top of the pressure release pipe 602, the spherical cover 604 is fixedly connected to the top of the conical pipe 603, the exhaust port 606 is fixed to the top of the spherical cover 604, the pressure release pipe 602, the conical pipe 603, the spherical cover 604 and the exhaust port 606 are all in through connection, the gas is accelerated through the conical pipe 603, and enters the inside of the spherical cover 604 at a relatively fast flow rate, the metal ball 605 is disposed inside the spherical cover 604, the metal ball 605 is impacted by a high-speed gas flow, and the inner wall of the spherical cover 604 is continuously impacted, thereby the diameter of the metal ball 605 is sound, and the alarm is prevented from falling off from the spherical cover 604, and the spherical cover 605 is connected to the spherical cover 604 by a point of the spherical cover 604.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A chemical safety pressure monitor comprising a base (100), characterized in that: the utility model provides a pressure-increasing device for the inner tube body, is characterized in that an inner tube body (300) is connected through the top of base (100), the inside of inner tube body (300) is provided with pressure-increasing component (400), pressure-increasing component (400) include inner tube (401), telescopic link (402), valve plate (403), fixed plate (404) and spring (405), telescopic link (402) telescopic link is in the bottom of inner tube body (401), telescopic link (402) bottom fixedly connected with valve plate (403), and valve plate (403) block up the connector department at base (100) and inner tube body (300), spring (405) set up between fixed plate (404) and valve plate (403), the top of pressure-increasing component (400) is connected with adjusting component (500), adjusting component (500) are including threaded rod (501), swing handle (502) and connecting cover (503), threaded rod (501) rotate and set up at inner tube body (300) threaded connection and stretch out inner tube body (300), connecting cover (503) are fixed on threaded rod (501) to cover in the connector department of inner tube body (300), the bottom of connecting cover (300) is located below face of connecting cover (700).

2. A chemical safety pressure monitor as claimed in claim 1, wherein: the fixed plate (404) is fixed on the outer surface of the bottom end of the inner cylinder (401), the spring (405) is sleeved on the outer side of the telescopic rod (402), and the upper end and the lower end of the spring are fixedly connected with the fixed plate (404) and the valve plate (403) respectively.

3. A chemical safety pressure monitor as claimed in claim 1, wherein: the pressurizing assembly (400) further comprises a sandwich plate (406) and a limiting sliding groove (407), the sandwich plate (406) is fixed in the inner pipe body (300), the limiting sliding groove (407) is formed in the sandwich plate (406), and the inner barrel (401) is rectangular in overlook and penetrates through the limiting sliding groove (407) which is also rectangular in structure in a sliding mode.

4. A chemical safety pressure monitor as claimed in claim 1, wherein: the top end of the threaded rod (501) extends out of the connecting cover (503) and is fixedly connected with the rotary handle (502), and anti-skid patterns are formed on the surface of the rotary handle (502).

5. A chemical safety pressure monitor as claimed in claim 1, wherein: one side of the base (100) is connected with a pressure gauge (200), and the bottom end of the base (100) is provided with a flange.

6. A chemical safety pressure monitor as claimed in claim 1, wherein: the pressure release alarm assembly is characterized in that a pressure release alarm assembly (600) is arranged on one side surface of the inner pipe body (300), the pressure release alarm assembly (600) comprises a mounting hole (601), a pressure release pipe (602), a conical pipe (603), a spherical cover (604), a metal ball (605) and an exhaust port (606), the mounting hole (601) penetrates through one side surface of the inner pipe body (300), one end An Chajin of the pressure release pipe (602) is arranged in the mounting hole (601), the conical pipe (603) is connected to one end top of the pressure release pipe (602), the spherical cover (604) is fixedly connected to the top of the conical pipe (603), the metal ball (605) is arranged in the spherical cover (604), and the exhaust port (606) is fixed to the top of the spherical cover (604).

7. A chemical safety pressure monitor as claimed in claim 6, wherein: the pressure release pipe (602), the conical pipe (603), the spherical cover (604) and the exhaust port (606) are all in through connection, and the diameter of the metal ball (605) is one five times of the aperture of the connection part of the conical pipe (603) and the spherical cover (604) and the connection part of the spherical cover (604) and the exhaust port (606).