A waterproof mechanical pressure gauge

Abstract

The utility model relates to the technical field of pressure gauges, and provides a waterproof mechanical pressure gauge, comprising: an installation box, one end of which is fixedly installed with a sealing gasket, and also comprising: a control box, which is arranged at one end of the sealing gasket away from the installation box, and the four ends of the installation box away from the center of the sealing gasket are rotatably installed with bolts; a connecting pipe, which is fixedly sleeved at the end of the installation box away from the sealing gasket. When the utility model is in use, the control box and the installation box are fixed to each other, and the sealing gasket is sandwiched in the middle and deformed by force, thereby reducing the gap between the control box and the installation box and enhancing the sealing between the two. The protruding end of the control box enters the groove to squeeze the rubber gasket, reducing the gap between the control box and the groove, and at the same time interrupting the gap between the sealing gasket and the installation box, further enhancing the sealing between the control box and the installation box, so that the utility model has an excellent waterproof function.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure gauges, in particular to a waterproof mechanical pressure gauge. Background Art

[0002] A pressure gauge is an instrument that uses an elastic element as a sensitive element to measure and indicate pressure higher than the ambient pressure. It is extremely common and is found in almost all industrial processes and scientific research fields. It can be found everywhere in thermal pipelines, oil and gas transmission, water and gas supply systems, vehicle repair and maintenance shops, etc. Especially in the process of industrial process control and technical measurement, mechanical pressure gauges are increasingly widely used because their elastic sensitive elements have high mechanical strength and are easy to produce.

[0003] In the prior art, such as the Chinese patent number: CN212871594U, a waterproof mechanical pressure gauge includes an outer shell, a display meter, an electric control box, a pressure sensor, and an upper cover. The display meter, the electric control box, and the pressure sensor are installed in the outer shell from top to bottom in sequence, and the display meter, the electric control box, and the pressure sensor are electrically connected in sequence. The display meter and the inner cavity provided in the outer shell form a sliding fit. The upper end of the electric control box is provided with a protruding connecting pipe, and the outer sleeve of the connecting pipe is connected with an elastic member. The connecting pipe is provided with a wire through hole for the wire to pass through. The upper cover is threadedly sleeved on the outer shell, and the upper cover is provided with an inwardly protruding retaining ring, and the retaining ring and the display meter form a sealed abutment fit.

[0004] However, the prior art has the following disadvantages during use: the mechanical pressure gauge is exposed to the outside air during installation, and in rainy weather, water will flow through the shell gap of the mechanical pressure gauge into the interior of the mechanical pressure gauge, causing damage to the internal components. In addition, in order to prevent dust from accumulating on the mechanical pressure gauge, causing the staff to check the data on the mechanical pressure gauge every time, a dust cover is provided. However, the dust cover is fixed with a buckle. After repeated use, the buckle becomes loose and cannot be closed, resulting in loss of dustproof effect. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the mechanical pressure gauge is exposed to the outside air when installed, and in rainy weather, water will flow into the interior of the mechanical pressure gauge through the shell gap of the mechanical pressure gauge, causing damage to the internal components. In addition, in order to prevent dust from accumulating on the mechanical pressure gauge, causing the staff to check the data on the mechanical pressure gauge every time, a dust cover is provided, but the dust cover is fixed with a buckle, and the buckle becomes loose after repeated use, and it cannot be closed, resulting in the loss of the dustproof effect.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a waterproof mechanical pressure gauge, comprising: a mounting box, one end of which is fixedly mounted with a sealing gasket, and further comprising:

[0007] A control box is arranged at one end of the sealing gasket away from the installation box, and bolts are rotatably installed at four ends of the installation box away from the center of the sealing gasket;

[0008] A plurality of bolts are rotatably mounted on four ends of the mounting box away from the center of the sealing gasket, and one end of the plurality of bolts passing through the sealing gasket is threadedly mounted with a control box;

[0009] A power cord is fixedly mounted on one end of the mounting box close to the pressure sensor, wherein one of the bolts passes through the mounting box and extends to the outside and is fixedly mounted with a hexagonal block;

[0010] The processor is fixedly mounted on one end of the control box close to the sealing gasket, a display screen is fixedly mounted on one end of the processor away from the sealing gasket, and linkage structures are fixedly mounted on one end of the plurality of bolts away from the sealing gasket.

[0011] Preferably, a groove is formed at one end of the control box close to the mounting box, a rubber pad is fixedly installed at the end of the groove away from the sealing pad, the power cord is electrically connected to the processor, the pressure sensor, and the display screen, and a sealing ring is fixedly provided at the end of the control box away from the sealing pad. The power cord, the processor, the pressure sensor, and the display screen are electrically connected, and a sealing ring is fixedly provided at the end of the control box away from the sealing pad.

[0012] Preferably, the outer surface of the sealing ring near the center of the control box is fixedly covered with tempered glass, and a plurality of elastic members are fixedly mounted on one end of the control box away from the sealing gasket.

[0013] Preferably, a sealing cover is fixedly mounted on one end of the plurality of elastic members close to the center of the control box, and the sealing cover is rotatably mounted on one end of the control box on one end of the elastic members close to the one end of the control box.

[0014] Preferably, a limiting rod is fixedly mounted on one end of the sealing cover away from the plurality of elastic members, and a limiting hole is formed on one end of the limiting rod close to the sealing gasket.

[0015] Preferably, a spring is fixedly mounted on one end of the control box close to the limiting rod, and a limiting pin is fixedly mounted on one end of the spring close to the limiting hole.

[0016] Preferably, one end of the limit pin away from the elastic member matches the position of the limit hole, and one end of the limit pin close to the limit hole is slidably mounted on one end of the control box.

[0017] Preferably, one end of the limit pin close to the spring passes through the control box and extends to the outside.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] 1. In the utility model, when in use, the control box and the installation box are fixed to each other, the sealing gasket is sandwiched in the middle and deformed by force, thereby reducing the gap between the control box and the installation box and enhancing the sealing between the two. The protruding end of the control box enters the groove to squeeze the rubber gasket, reducing the gap between the control box and the groove, and at the same time interrupting the gap between the sealing gasket and the installation box, further enhancing the sealing between the control box and the installation box, so that the utility model has excellent waterproof function.

[0020] 2. In the utility model, when in use, under the action of the elastic member, the sealing cover and the limit rod are driven to flip over, exposing the sealing ring and the tempered glass, so that the staff can view the data displayed on the display screen through the tempered glass. After the data recording is completed, the sealing cover is restored to its original position, which is beneficial to prolonging the service life of the sealing cover and has the effect of preventing dust from the tempered glass for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional structural schematic diagram of a waterproof mechanical pressure gauge provided by the utility model;

[0022] Figure 2 A schematic diagram of a sectional three-dimensional structure of a waterproof mechanical pressure gauge provided by the utility model;

[0023] Figure 3 A schematic diagram of a top-down stereoscopic structure of a waterproof mechanical pressure gauge provided by the utility model;

[0024] Figure 4 A waterproof mechanical pressure gauge provided by the utility model Figure 3 Enlarged view of point A.

[0025] Legend: 1. Installation box; 2. Sealing pad; 3. Control box; 301. Sealing ring; 302. Tempered glass; 303. Groove; 304. Processor; 305. Display screen; 306. Elastic part; 307. Sealing cover; 308. Limit rod; 3081. Limit hole; 309. Spring; 310. Limit pin; 4. Bolt; 5. Connecting pipe; 6. Pressure sensor; 7. Power cord; 8. Linkage structure; 9. Rubber pad. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0028] Embodiment 1, as Figure 1-4 As shown, the utility model provides a waterproof mechanical pressure gauge, including: an installation box 1, a sealing gasket 2 is fixedly installed at one end of the installation box 1, and also includes:

[0029] A plurality of bolts 4 are rotatably mounted on four ends of the mounting box 1 away from the center of the sealing gasket 2, and one end of the plurality of bolts 4 penetrating the sealing gasket 2 is threadedly mounted with a control box 3;

[0030] A connecting pipe 5 is fixedly sleeved on one end of the installation box 1 away from the sealing gasket 2, and a pressure sensor 6 is fixedly installed on the end of the connecting pipe 5 away from the installation box 1;

[0031] A power cord 7 is fixedly mounted on one end of the mounting box 1 close to the pressure sensor 6, wherein one of the bolts 4 passes through the mounting box 1 and extends to the outside and is fixedly mounted with a hexagonal block;

[0032] The processor 304 is fixedly mounted on one end of the control box 3 close to the sealing gasket 2 , a display screen 305 is fixedly mounted on one end of the processor 304 away from the sealing gasket 2 , and linkage structures 8 are fixedly mounted on one end of the multiple bolts 4 away from the sealing gasket 2 .

[0033] In this embodiment, when the sealing gasket 2 of the installation box 1 is docked and installed with the control box 3, a linkage structure 8 is fixedly installed at one end of the multiple bolts 4 away from the sealing gasket 2. When the staff rotates the hexagonal block at one end of one of the bolts 4, one sprocket in the linkage structure 8 composed of four sprockets and a chain is driven to rotate, thereby driving the chain and other sprockets to rotate, which is convenient for driving other bolts 4 to rotate synchronously, thereby fixing the control box 3 and the installation box 1 to each other, and the sealing gasket 2 is sandwiched in the middle and deformed by force, thereby reducing the gap between the control box 3 and the installation box 1 and enhancing the sealing between the two. A groove 303 is opened at one end of the control box 3 close to the installation box 1, and a rubber is fixedly installed at the end of the groove 303 away from the sealing gasket 2. The pad 9 is convenient for the protruding end of the control box 3 to enter the groove 303 when the control box 3 and the installation box 1 are installed, and the rubber pad 9 is squeezed to reduce the gap between the control box 3 and the groove 303. At the same time, the gap between the sealing pad 2 and the installation box 1 is interrupted, and the sealing between the control box 3 and the installation box 1 is further enhanced, so that the utility model has an excellent waterproof function. The power cord 7 is connected to the external circuit to provide power for the processor 304, the display screen 305, and the pressure sensor 6. The connecting tube 5 drives the pressure sensor 6 to be fixed to other objects. The pressure sensor 6 transmits the sensing data to the processor 304, and the data is displayed on the display screen 305 after being processed by the processor 304, so that the staff can view it easily.

[0034] Embodiment 2, as Figure 1-4As shown, a groove 303 is provided at one end of the control box 3 close to the mounting box 1, a rubber pad 9 is fixedly installed at one end of the groove 303 away from the sealing pad 2, the power cord 7 is electrically connected to the processor 304, the pressure sensor 6, and the display screen 305, a sealing ring 301 is fixedly provided at one end of the control box 3 away from the sealing pad 2, the power cord 7, the processor 304, the pressure sensor 6, and the display screen 305 are electrically connected, a sealing ring 301 is fixedly provided at one end of the control box 3 away from the sealing pad 2, a tempered glass 302 is fixedly provided on the outer surface of the sealing ring 301 near the center of the control box 3, a plurality of elastic members 306 are fixedly installed at one end of the control box 3 away from the sealing pad 2, and the plurality of elastic members 306 are fixedly installed at one end near the center of the control box 3 There is a sealing cover 307, one end of the sealing cover 307 close to the multiple elastic members 306 is rotatably installed at one end of the control box 3, the end of the sealing cover 307 away from the multiple elastic members 306 is fixedly installed with a limiting rod 308, and a limiting hole 3081 is provided at the end of the limiting rod 308 close to the sealing gasket 2, a spring 309 is fixedly installed at the end of the control box 3 close to the limiting rod 308, and a limiting pin 310 is fixedly installed at the end of the spring 309 close to the limiting hole 3081, the end of the limiting pin 310 away from the elastic member 306 matches the position of the limiting hole 3081, the end of the limiting pin 310 close to the limiting hole 3081 is slidably installed at one end of the control box 3, and the end of the limiting pin 310 close to the spring 309 passes through the control box 3 and extends to the outside.

[0035] In this embodiment, when the staff needs to check the pressure gauge data during use, they pull the limit pin 310 outside the control box 3, compress the spring 309, pull one end of the limit pin 310 out of the limit hole 3081, release the restriction on the limit rod 308, and under the action of the elastic member 306, drive the sealing cover 307 and the limit rod 308 to flip over, exposing the sealing ring 301 and the tempered glass 302, so that the staff can check the data displayed on the display screen 305 through the tempered glass 302. After the data recording is completed, The sealing cover 307 is restored to its original position, and the limiting rod 308 contacts the inclined surface of one end of the limiting pin 310 first, pushing the limiting pin 310 to slide toward the inside of the control box 3, and the spring 309 contracts. When the limiting hole 3081 moves to the same axis as the limiting pin 310, the limiting rod 308 no longer squeezes the limiting pin 310, and the spring 309 bounces the limiting pin 310 into the limiting hole 3081, restricting the limiting rod 308, which is beneficial to improving the service life of the sealing cover 307 and has a long-term dust-proof effect for the tempered glass 302.

[0036] Working principle: When in use, when the installation box 1 sealing gasket 2 is docked with the control box 3, a linkage structure 8 is fixedly installed at one end of the plurality of bolts 4 away from the sealing gasket 2. When the staff rotates the hexagonal block at one end of one of the bolts 4, one sprocket in the linkage structure 8 composed of four sprockets and a chain is driven to rotate, thereby driving the chain and other sprockets to rotate, which is convenient for driving other bolts 4 to rotate synchronously, thereby fixing the control box 3 and the installation box 1 to each other, and the sealing gasket 2 is sandwiched in the middle and deformed by force, thereby reducing the gap between the control box 3 and the installation box 1, enhancing the sealing between the two, and the control box 3 is close to the installation box 1. A groove 303 is provided at one end of the mounting box 1, and a rubber pad 9 is fixedly installed at one end of the groove 303 away from the sealing pad 2, so that when the control box 3 and the mounting box 1 are installed, the protruding end of the control box 3 enters the groove 303 to squeeze the rubber pad 9, thereby reducing the gap between the control box 3 and the groove 303, and at the same time interrupting the gap between the sealing pad 2 and the mounting box 1, further enhancing the sealing between the control box 3 and the mounting box 1, so that the utility model has an excellent waterproof function, the power line 7 is connected to the external circuit, so as to provide power for the processor 304, the display screen 305, and the pressure sensor 6, and the connecting tube 5 The pressure sensor 6 is driven to be fixed with other objects, and the pressure sensor 6 transmits the sensed data to the processor 304, which is displayed on the display screen 305 after being processed by the processor 304, so that the staff can view it easily. When in use, when the staff needs to view the pressure gauge data, they pull the limit pin 310 outside the control box 3, compress the spring 309, and pull one end of the limit pin 310 out of the limit hole 3081 to release the restriction on the limit rod 308. Under the action of the elastic member 306, the sealing cover 307 and the limit rod 308 are driven to flip over, exposing the sealing ring 301 and the tempered glass 302, so that the staff can view the pressure gauge data easily. The data displayed on the display screen 305 is viewed through the tempered glass 302. After the data recording is completed, the sealing cover 307 is restored to its original position. The limit rod 308 contacts the inclined surface of one end of the limit pin 310 first, and the limit pin 310 is squeezed to slide toward the inside of the control box 3. The spring 309 contracts. When the limit hole 3081 moves to the same axis as the limit pin 310, the limit rod 308 no longer squeezes the limit pin 310. The spring 309 bounces the limit pin 310 into the limit hole 3081, restricting the limit rod 308, which is beneficial to improving the service life of the sealing cover 307 and has a long-term dust-proof effect for the tempered glass 302.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A waterproof mechanical pressure gauge, comprising a mounting box (1), one end of which is fixedly mounted a sealing gasket (2), characterized in that: Also includes: A plurality of bolts (4) are rotatably mounted on four ends of the mounting box (1) away from the center of the sealing gasket (2), and one end of the plurality of bolts (4) that penetrates the sealing gasket (2) is threadedly mounted with a control box (3); A connecting pipe (5) is fixedly sleeved on one end of the installation box (1) away from the sealing gasket (2), and a pressure sensor (6) is fixedly mounted on the end of the connecting pipe (5) away from the installation box (1); A power cord (7) is fixedly mounted on one end of the mounting box (1) close to the pressure sensor (6), wherein one of the bolts (4) penetrates the mounting box (1) and extends to the outside and is fixedly mounted with a hexagonal block; A processor (304) is fixedly mounted on one end of the control box (3) close to the sealing gasket (2); a display screen (305) is fixedly mounted on one end of the processor (304) away from the sealing gasket (2); and a linkage structure (8) is fixedly mounted on one end of the plurality of bolts (4) away from the sealing gasket (2).

2. A waterproof mechanical pressure gauge according to claim 1, characterized in that: The control box (3) is provided with a groove (303) at one end close to the installation box (1); a rubber pad (9) is fixedly installed at one end of the groove (303) away from the sealing pad (2); the power cord (7) is electrically connected to the processor (304), the pressure sensor (6), and the display screen (305); and a sealing ring (301) is fixedly sleeved at one end of the control box (3) away from the sealing pad (2).

3. A waterproof mechanical pressure gauge according to claim 2, characterized in that: The outer surface of the sealing ring (301) near the center of the control box (3) is fixedly sleeved with tempered glass (302), and a plurality of elastic members (306) are fixedly mounted on one end of the control box (3) away from the sealing pad (2).

4. A waterproof mechanical pressure gauge according to claim 3, characterized in that: A sealing cover (307) is fixedly mounted on one end of the plurality of elastic members (306) close to the center of the control box (3); and an end of the sealing cover (307) close to the plurality of elastic members (306) is rotatably mounted on one end of the control box (3).

5. A waterproof mechanical pressure gauge according to claim 4, characterized in that: A limiting rod (308) is fixedly mounted on one end of the sealing cover (307) away from the plurality of elastic members (306), and a limiting hole (3081) is provided on one end of the limiting rod (308) close to the sealing gasket (2).

6. A waterproof mechanical pressure gauge according to claim 5, characterized in that: A spring (309) is fixedly mounted on one end of the control box (3) close to the limiting rod (308), and a limiting pin (310) is fixedly mounted on one end of the spring (309) close to the limiting hole (3081).

7. A waterproof mechanical pressure gauge according to claim 6, characterized in that: One end of the limit pin (310) away from the elastic member (306) matches the position of the limit hole (3081), and one end of the limit pin (310) close to the limit hole (3081) is slidably mounted on one end of the control box (3).

8. A waterproof mechanical pressure gauge according to claim 7, characterized in that: One end of the limiting pin (310) close to the spring (309) passes through the control box (3) and extends to the outside.

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