Portable ultrasonic gas flowmeter

Abstract

The utility model relates to the technical field of ultrasonic gas flow meters, and discloses a portable ultrasonic gas flow meter which comprises an ultrasonic gas flow meter body, a displayer is arranged on the top of the ultrasonic gas flow meter body, and a protection mechanism is arranged on the top of the ultrasonic gas flow meter body. A portable mechanism is arranged on the outer side of the ultrasonic gas flowmeter main body; and the protection mechanism comprises a first protection cover, a telescopic groove is formed in the top of the first protection cover, a second protection cover is slidably connected to the top of the telescopic groove in an inserted mode, a first spring is fixedly connected to the bottom of the second protection cover, and a protection cover is fixedly connected to the top of the second protection cover. According to the portable ultrasonic gas flowmeter, when the displayer is subjected to external impact, damage to the displayer is reduced through the buffering effect of the first spring, the safety of the displayer is improved, and damage caused by accidental collision in the using process is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of ultrasonic gas flowmeters, in particular to a portable ultrasonic gas flowmeter. Background Art

[0002] An ultrasonic gas flow meter uses ultrasonic technology to measure gas flow. Its operating principle is based on the fact that the propagation speed of ultrasonic waves in gas is affected by the gas flow rate. By measuring the time difference or frequency change of ultrasonic waves in the gas, the gas flow rate and flow rate can be calculated.

[0003] The invention patent with authorization announcement number CN210089768U discloses "A portable ultrasonic gas flow meter", which includes a hoop one, a wire hole, a portable rope, a hoop two, a fixing part, a fixing nut, a mounting block and a wire groove. The hoop one is installed on the left side of the annular side of the ultrasonic gas flow meter body, and the hoop two is installed on the right side of the annular side of the ultrasonic gas flow meter body. A wire groove is opened inside the hoop one, and a wire groove is opened inside the hoop two. A wire hole is opened on the front side of the annular side of the hoop one, and a wire hole is opened on the front side of the annular side of the hoop two. A portable rope is installed inside the wire groove, and the portable rope passes through the wire hole. A mounting block is welded on the rear side of the annular side of the hoop one, the fixing part is assembled inside the mounting block, and a fixing nut is screwed on the lower side of the annular side of the fixing part. This design solves the problem that the original ultrasonic gas flow meter is inconvenient to carry. It has a reasonable structure, is easy to carry, convenient to carry, and is relatively labor-saving.

[0004] However, the above-mentioned prior art solutions still have the following deficiencies: when the display on the ultrasonic gas flow meter body is bumped or hit during carrying or use, it is easily damaged. Therefore, a portable ultrasonic gas flow meter is urgently needed. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a portable ultrasonic gas flow meter to solve the problem raised in the above background technology that the display on the ultrasonic gas flow meter body is easily damaged when it is bumped or hit during carrying or use.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a portable ultrasonic gas flowmeter, comprising an ultrasonic gas flowmeter body, a display provided on the top of the ultrasonic gas flowmeter body, a protective mechanism provided on the top of the ultrasonic gas flowmeter body, and a portable mechanism provided on the outside of the ultrasonic gas flowmeter body;

[0007] The protective mechanism includes a first protective cover, a telescopic slot is provided on the top of the first protective cover, a second protective cover is slidably inserted into the top of the telescopic slot, a first spring is fixedly connected to the bottom of the second protective cover, and a protective cover is fixedly connected to the top of the second protective cover.

[0008] Preferably, the left and right ends of the ultrasonic gas flow meter body are respectively fixedly connected with flanges, and the ends of the flanges away from the ultrasonic gas flow meter body are respectively fixedly connected with flange gaskets.

[0009] Preferably, the display is located inside the first protective cover, and the bottom of the first spring is fixedly connected to the inner bottom wall of the telescopic slot.

[0010] Preferably, a plurality of the first springs are provided, and the plurality of first springs are equidistantly arranged along the bottom of the second protective cover.

[0011] Preferably, the portable mechanism includes a cross bar, a slide groove is provided on the front of the cross bar, a slide rod is fixedly connected in the slide groove, a second spring is sleeved on the surface of the slide rod, two sliders are sleeved on the surface of the slide rod, and the front of the two sliders are fixedly connected to the same portable rope.

[0012] Preferably, the sliders are slidably disposed in the slide grooves, and the sliders are respectively located at the left and right ends of the second spring.

[0013] Preferably, the portable rope is made of nylon or polyester fiber.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] First, in the present invention, the ultrasonic gas flowmeter body is the core part of the equipment, which is used to measure the flow of gas. It is equipped with a display that can display the measurement results. The protective mechanism includes a first protective cover, a telescopic slot is provided on the upper part, and a second protective cover is slidably inserted in the telescopic slot. The bottom of the second protective cover is connected to a first spring, and a protective cover is fixed on the top. When the display is subjected to external impact, the buffering effect of the first spring can reduce the damage to the display, improve the safety of the display, and avoid damage caused by accidental collision during use. Flanges are fixedly connected on both sides of the ultrasonic gas flowmeter body, and a flange gasket is connected to the end of the flange away from the body. The function of the flange is to install the ultrasonic gas flowmeter body on the pipeline, and the flange gasket can ensure the sealing of the connection to prevent gas leakage. Multiple first springs are distributed at equal distances along the bottom of the second protective cover. Such a design can ensure that when impacted, the forces in all directions can be evenly dispersed, thereby improving the overall impact resistance.

[0016] Second, the present invention, the portable mechanism mainly includes a cross bar, a slide groove is provided on the front side of the cross bar, a slide bar is fixed in the slide groove, a second spring and two sliders are covered on the slide bar, and a portable rope is fixed between the two sliders. By pulling the portable rope, the entire device can be conveniently carried. The slider allows the portable rope to be adjusted in length as needed to adapt to the carrying habits of different users. The portable rope is made of nylon or polyester fiber material, both of which have good wear resistance and strength and are suitable for long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the left side stereoscopic structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention from the right side;

[0019] Figure 3 This is a schematic diagram of the front cross-section structure of the protective mechanism of the present invention;

[0020] Figure 4 This is a schematic diagram of the explosion protection structure of the present invention;

[0021] Figure 5 This is a schematic diagram of the top cutaway plan view of the portable mechanism of the present invention.

[0022] Among them: 1. Ultrasonic gas flowmeter body; 2. Display; 3. First protective cover; 4. Second protective cover; 5. First spring; 6. Protective cover; 7. Flange; 8. Flange gasket; 9. Cross bar; 10. Slide bar; 11. Second spring; 12. Slide block; 13. Portable rope. DETAILED DESCRIPTION

[0023] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0024] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A portable ultrasonic gas flowmeter includes an ultrasonic gas flowmeter body 1, a display 2 is provided on the top of the ultrasonic gas flowmeter body 1, a protective mechanism is provided on the top of the ultrasonic gas flowmeter body 1, and a portable mechanism is provided on the outside of the ultrasonic gas flowmeter body 1;

[0025] The protective mechanism includes a first protective cover 3, a telescopic slot is provided on the top of the first protective cover 3, a second protective cover 4 is slidably inserted on the top of the telescopic slot, a first spring 5 is fixedly connected to the bottom of the second protective cover 4, and a protective cover 6 is fixedly connected to the top of the second protective cover 4.

[0026] The left and right ends of the ultrasonic gas flow meter body 1 are respectively fixedly connected with flanges 7 , and the ends of the flanges 7 away from the ultrasonic gas flow meter body 1 are respectively fixedly connected with flange gaskets 8 .

[0027] The display 2 is located inside the first protective cover 3 , and the bottom of the first spring 5 is fixedly connected to the inner bottom wall of the telescopic slot.

[0028] A plurality of first springs 5 ​​are provided, and the plurality of first springs 5 ​​are equidistantly arranged along the bottom of the second protective cover 4 .

[0029] Through the above technical solution, the ultrasonic gas flow meter body 1 is the core part of the equipment, which is used to measure the flow of gas. It is equipped with a display 2 that can display the measurement results. The protective mechanism includes a first protective cover 3, a telescopic slot is provided on the upper part, and a second protective cover 4 is slidably inserted in the telescopic slot. The bottom of the second protective cover 4 is connected to a first spring 5, and a protective cover 6 is fixed on the top. When the display 2 is subjected to external impact, the buffering effect of the first spring 5 can reduce the damage to the display 2, improve the safety of the display 2, and avoid damage caused by accidental collision during use. Flanges are fixedly connected on both sides of the ultrasonic gas flow meter body 1 7. The end of the flange 7 away from the main body is connected to a flange gasket 8. The function of the flange 7 is to install the ultrasonic gas flowmeter main body 1 on the pipeline, and the flange gasket 8 can ensure the sealing of the connection to prevent gas leakage. Multiple first springs 5 ​​are distributed at equal distances along the bottom of the second protective cover 4. This design can ensure that when impacted, the forces in all directions can be evenly dispersed, thereby improving the overall impact resistance. The specific usage method of the ultrasonic gas flowmeter main body 1 and the display 2 and the internal circuit connection are disclosed in a portable ultrasonic gas flowmeter disclosed in the invention patent with authorization announcement number CN210089768U, which will not be repeated here.

[0030] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 A portable ultrasonic gas flowmeter, the portable mechanism includes a cross bar 9, a slide groove is opened on the front of the cross bar 9, a slide bar 10 is fixedly connected in the slide groove, a second spring 11 is sleeved on the surface of the slide bar 10, two sliders 12 are sleeved on the surface of the slide bar 10, and the front of the two sliders 12 is fixedly connected to the same portable rope 13.

[0031] The sliders 12 are slidably disposed in the slide grooves, and the sliders 12 are respectively located at the left and right ends of the second spring 11 .

[0032] The portable rope 13 is made of nylon or polyester fiber.

[0033] Through the above technical solution, the portable mechanism mainly includes a cross bar 9, a slide groove is provided on the front of the cross bar 9, a slide bar 10 is fixed in the slide groove, a second spring 11 and two sliders 12 are covered on the slide bar 10, and a portable rope 13 is fixed between the two sliders 12. By pulling the portable rope 13, the entire device can be conveniently carried. The slider 12 allows the portable rope 13 to adjust its length as needed to adapt to the carrying habits of different users. The portable rope 13 is made of nylon or polyester fiber material. Both materials have good wear resistance and strength and are suitable for long-term use.

[0034] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A portable ultrasonic gas flow meter, comprising an ultrasonic gas flow meter body (1), characterized in that: A display (2) is provided on the top of the ultrasonic gas flow meter body (1), a protective mechanism is provided on the top of the ultrasonic gas flow meter body (1), and a portable mechanism is provided on the outside of the ultrasonic gas flow meter body (1); The protective mechanism comprises a first protective cover (3), a telescopic slot is provided on the top of the first protective cover (3), a second protective cover (4) is slidably inserted into the top of the telescopic slot, a first spring (5) is fixedly connected to the bottom of the second protective cover (4), and a protective cover (6) is fixedly connected to the top of the second protective cover (4).

2. A portable ultrasonic gas flow meter according to claim 1, characterized in that: The left and right ends of the ultrasonic gas flow meter body (1) are respectively fixedly connected with flanges (7), and the ends of the flanges (7) away from the ultrasonic gas flow meter body (1) are respectively fixedly connected with flange gaskets (8).

3. The portable ultrasonic gas flow meter according to claim 1, characterized in that: The display (2) is located inside the first protective cover (3), and the bottom of the first spring (5) is fixedly connected to the inner bottom wall of the telescopic slot.

4. The portable ultrasonic gas flow meter according to claim 1, characterized in that: A plurality of the first springs (5) are provided, and the plurality of first springs (5) are respectively arranged at equal distances along the bottom of the second protective cover (4).

5. The portable ultrasonic gas flow meter according to claim 1, characterized in that: The portable mechanism comprises a cross bar (9), a slide groove is provided on the front of the cross bar (9), a slide bar (10) is fixedly connected in the slide groove, a second spring (11) is sleeved on the surface of the slide bar (10), two sliders (12) are sleeved on the surface of the slide bar (10), and the front faces of the two sliders (12) are fixedly connected to the same portable rope (13).

6. The portable ultrasonic gas flow meter according to claim 5, characterized in that: The sliders (12) are respectively slidably arranged in the slide grooves, and the sliders (12) are respectively located at the left and right ends of the second spring (11).

7. The portable ultrasonic gas flow meter according to claim 5, characterized in that: The portable rope (13) is made of nylon or polyester fiber.

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