Handheld gas detector

Abstract

The utility model relates to the technical field of gas detectors, and discloses a handheld gas detector which comprises a detector shell, the top of the detector shell is communicated with a gas inlet pipeline, the bottom end of the rear side of the gas inlet pipeline is fixedly connected with a detection head, and the top end of the rear part of the detector shell is rotatably connected with a protection plate. An L-shaped buckle is rotationally connected to the left side of the rear portion of the protection plate, a baffle is fixedly connected to the position, close to the edge, of the left side of the top of the rear end of the detector shell, the top of the baffle is clamped to the bottom of the L-shaped buckle, and a clamping groove block is fixedly connected to the left side of the top of the rear end of the detector shell. According to the utility model, the gas inlet pipeline is bent and placed at the rear side of the detector shell, then the clamping and fixing are completed through the clamping buckle and the clamping groove block, and the fixing of the protection plate is reinforced through the L-shaped buckle and the baffle plate, so that the protection of the detection head is completed, the detection head can be prevented from being touched by mistake in a closed state, and the service life of the detection head is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detection instrument technical field especially relates to a hand -held gas detection instrument. BACKGROUND

[0002] With the rapid development of industry, the production scale of petroleum, chemical industry and mining industry is expanding, in these industrial production processes, a large number of toxic and harmful gases and combustible gases are involved, in the process of oil exploitation and refining, toxic substances such as hydrogen sulfide and benzene, and combustible gases such as methane are produced, if these gases leak, it will cause great threat to the life safety of workers and the production safety of enterprises, the gas detector is a kind of instrument that can detect the gas composition and concentration in the environment, its function is to qualitatively and quantitatively analyze the target gas, qualitative analysis refers to determining the type of detected gas, quantitative analysis is to accurately measure the concentration of the gas in the air, which helps users to judge whether the gas in the environment is in a safe range and whether there is a leakage danger.

[0003] The structure of the hand -held gas detection instrument includes sensor, sampling device, signal processing circuit, display screen, alarm device and shell, it is a kind of portable equipment for detecting the concentration of various gases in air, which provides a convenient tool for industrial site gas detection, can help enterprises to find gas leakage situation in time, prevent accidents, the emergence of new sensor makes the detector more accurately detect a variety of gases, the development of electronic technology makes the detector smaller in size, more powerful, can realize data storage and wireless transmission function, the progress of material science also provides better selection for the shell material and battery material of the detector, improves the durability and endurance of the detector, but there is no protection measure, the detection head and air inlet pipeline are directly exposed, when the instrument accidentally falls, collides with other objects and is extruded, the detection head is easy to be damaged, and it is easy to be disturbed by various external factors, thereby increasing the risk of instrument failure. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of hand -held gas detection instrument, aims at improving the prior art without protection measure, detection head and air inlet pipeline are directly exposed, when the instrument accidentally falls, collides with other objects and is extruded, the detection head is easy to be damaged, simultaneously easy to be disturbed by various external factors, thereby increasing the risk of instrument failure problem.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: A hand -held gas detection instrument, including the detection instrument shell, the top of detection instrument shell is connected with the air inlet pipeline, the rear side bottom of air inlet pipeline is fixedly connected with the detection head, the rear top of detection instrument shell is rotatably connected with the protection board, the rear left side of protection board is rotatably connected with L type buckle, the left side of the edge of the rear end top of detection instrument shell is fixedly connected with the baffle, the top of baffle and the bottom of L type buckle are engaged, the left side of the rear end top of detection instrument shell is fixedly connected with the clamping groove block, the inside of clamping groove block is provided with the locating bead, the left end of the front side of protection board is fixedly connected with the buckle, the front end of buckle and the adjacent side of locating bead are engaged, the bottom of detection instrument shell is provided with the telescopic mechanism, and the telescopic mechanism is used for adjusting the length of hand -held.

[0006] As a further description of the above technical scheme:

[0007] The telescopic mechanism includes two grips, the top of the upper grip is fixedly connected with the bottom of the detection instrument shell, two threaded holes one are formed in the left side of the grip, a sliding column is slidably connected between the adjacent grips, two locating rings are fixedly connected to the upper and lower ends of the sliding column, threaded holes two are formed in the right side of the locating ring, a bolt one is threadedly connected to the inner wall of the threaded hole one, and the bolt one penetrates the grip and is threadedly connected to the inner wall of the threaded hole two.

[0008] As a further description of the above technical scheme:

[0009] The right side of the top of the detection instrument shell is fixedly connected with an alarm lamp, and the right side of the top of the detection instrument shell is fixedly connected with an electric lamp.

[0010] As a further description of the above technical scheme:

[0011] The middle part of the left side of the detection instrument shell is fixedly connected with a cooling fin, and the middle part of the front side of the detection instrument shell is fixedly connected with a display screen.

[0012] As a further description of the above technical scheme:

[0013] The front bottom of the detection instrument shell is fixedly connected with a plurality of operation buttons, and the plurality of operation buttons are symmetrically designed.

[0014] As a further description of the above technical scheme:

[0015] The middle right side of the rear side of the detection instrument shell is rotatably connected with a cover plate, and the middle of the rear side of the detection instrument shell is fixedly connected with a battery plate.

[0016] As a further description of the above technical scheme:

[0017] The left side of the cover plate is threadedly connected with two bolts II, the front side of the two bolts II is threadedly connected with the rear side of the detector shell through the cover plate.

[0018] As a further description of the above technical solution:

[0019] The rear side of the detector shell is fixedly connected with a nameplate, and the outer walls of the handles are all fixedly connected with anti-skid sleeves.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, the air inlet pipeline is bent and placed in the rear side of the detector shell, then the protective plate is closed, the buckle on the front side of the protective plate is clamped and fixed with the clamping groove block, the L-shaped buckle on the rear side of the protective plate is rotated to the bottom of the baffle to complete clamping and fixing, thereby protecting the detection head, preventing the detection head from being touched by mistake in the closed state, providing protection, ensuring that the detection head and the air inlet pipeline are in a relatively clean environment when closed, and prolonging the service life.

[0022] 2. In the utility model, the sliding column is moved, when reaching the appropriate position, the bolt I on the outer side of the handle is threadedly connected with the threaded hole II through the corresponding threaded hole I, thereby adjusting the length of the handle, and each user can find the most suitable holding length, improving the comfort of holding. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A front side perspective view of the detector shell of the handheld gas detector is provided for the utility model;

[0024] Figure 2 A rear view of the protective plate of the handheld gas detector is provided for the utility model;

[0025] Figure 3 A sliding column exploded view of the handheld gas detector is provided for the utility model;

[0026] Figure 4 A detection head display view of the handheld gas detector is provided for the utility model;

[0027] Figure 5 A clamping groove block exploded view of the handheld gas detector is provided for the utility model.

[0028] LEGEND:

[0029] 1, detector shell; 2, telescopic mechanism; 201, handle; 202, threaded hole one; 203, sliding column; 204, positioning ring; 205, threaded hole two; 206, bolt one; 3, air inlet pipeline; 4, probe head; 5, protective plate; 6, L-shaped buckle; 7, baffle; 8, clamping groove block; 9, positioning bead; 10, buckle; 11, alarm lamp; 12, electric lamp; 13, cooling fin; 14, display screen; 15, operation button; 16, cover plate; 17, battery plate; 18, bolt two; 19, nameplate; 20, anti-skid sleeve. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to the drawings in the embodiments of the utility model Figure 2 , the drawings in the embodiments of the utility model Figure 4 and the drawings in the embodiments of the utility model Figure 5 , one embodiment provided by the utility model: a handheld gas detector, comprising a detector shell 1, the top of the detector shell 1 is communicated with an air inlet pipeline 3, the rear bottom end of the air inlet pipeline 3 is fixedly connected with a probe head 4, which is used for absorbing the detected gas components, the rear top end of the detector shell 1 is rotatably connected with a protective plate 5, so that the probe head 4 can be protected when not in use, the rear left side of the protective plate 5 is rotatably connected with an L-shaped buckle 6, which enhances the stability of the protective plate 5 and can quickly open the protective plate 5 to take out the probe head 4, the rear end top left side of the detector shell 1 is fixedly connected with a baffle 7, the top of the baffle 7 is clamped with the bottom of the L-shaped buckle 6, so as to ensure the stability and safety of the protective plate 5, the rear end top left side of the detector shell 1 is fixedly connected with a clamping groove block 8, the inside of the clamping groove block 8 is provided with a positioning bead 9, the front left end of the protective plate 5 is fixedly connected with a buckle 10, the front end of the buckle 10 is clamped with the adjacent side of the positioning bead 9, so as to realize the quick opening and closing of the protective plate 5, the bottom of the detector shell 1 is provided with a telescopic mechanism 2, which is used for adjusting the length of the handheld part to adapt to the use habit and comfort requirement.

[0032] Please refer to the drawings in the embodiments of the utility model Figure 1 , the drawings in the embodiments of the utility model Figure 2 and the drawings in the embodiments of the utility model Figure 3, telescopic mechanism 2 includes two handles 201, the top of the upper handle 201 is fixedly connected with the bottom of the detector shell 1, which ensures the stable combination between the telescopic mechanism 2 and the detector shell 1, two threaded holes one 202 are formed in the left side of the handle 201, a sliding column 203 is slidingly connected between the adjacent handles 201, the sliding column 203 can slide between the handles 201, so that the distance between the handles 201 can be adjusted, two positioning rings 204 are fixedly connected with the upper and lower end outer walls of the sliding column 203, the positioning rings 204 can ensure the stability of the sliding column 203 during sliding, threaded holes two 205 are formed in the right side of the positioning ring 204, bolts one 206 are threadedly connected with the inner walls of the threaded holes one 202, and the bolts one 206 penetrate through the handle 201 and are threadedly connected with the inner walls of the threaded holes two 205, so that the handle 201 and the sliding column 203 are fixed, and the effect of fixing after adjustment is achieved.

[0033] Please refer to the attached Figure 1 , the attached Figure 2 and the attached Figure 4 , the rear middle right side of the detector shell 1 is rotatably connected with a cover plate 16, the rear middle of the detector shell 1 is fixedly connected with a battery plate 17, the rear side of the cover plate 16 is protected by the battery plate 17, and the battery plate 17 provides necessary energy support for the equipment, the left side of the cover plate 16 is threadedly connected with two bolts two 18, the front side of the bolts two 18 penetrates through the cover plate 16 and is threadedly connected with the rear side of the detector shell 1, so as to provide protection for the battery plate 17, the left middle of the detector shell 1 is fixedly connected with a heat dissipation fin 13, the heat generated during the operation of the equipment is effectively dissipated, the stable operation of the equipment is ensured, and the service life is prolonged, the front middle of the detector shell 1 is fixedly connected with a display screen 14, the detection result is displayed, an intuitive interface is provided for the operator, and the operation is more convenient and efficient.

[0034] Please refer to the attached Figure 1 , the attached Figure 2 and the attached Figure 4 , a plurality of operation buttons 15 are fixedly connected with the front bottom of the detector shell 1, the plurality of operation buttons 15 are symmetrically designed, and the symmetric layout mode makes the operation more intuitive and convenient, the rear bottom of the detector shell 1 is fixedly connected with a nameplate 19, the related information of the equipment is clearly marked on the nameplate 19, so as to facilitate identification and understanding of the equipment, the outer walls of the handles 201 are fixedly connected with anti-skid sleeves 20, which not only increases the friction but also improves the overall holding comfort, the top right side of the detector shell 1 is fixedly connected with an alarm lamp 11, which can timely issue a warning when an abnormality occurs during detection, so as to ensure the safety of use, the right top of the detector shell 1 is fixedly connected with a lamp 12, which can provide necessary illumination in an insufficient light environment, so that the detection work can be smoothly carried out.

[0035] Working principle: by bending the air inlet pipeline 3 into the rear side of the detector shell 1, then rotating the protective plate 5 to close, the buckle 10 on the front side of the protective plate 5 and the clamping groove block 8 are clamped and fixed, and then the L-shaped buckle 6 on the rear side of the protective plate 5 is rotated to the bottom of the baffle 7 to complete the clamping and fixing, so as to complete the protection of the probe head 4, so that when the probe head 4 is needed for detection, first rotate the L-shaped buckle 6 to release the clamping with the baffle 7, then open the protective plate 5 to separate the buckle 10 on the front side from the clamping groove block 8, then take out the air inlet pipeline 3 to make the probe head 4 work normally, in the closed state, it can prevent the probe head 4 from being touched by mistake, provide protection function, ensure that the probe head 4 and the air inlet pipeline 3 are in a relatively clean environment when closed, prolong the service life;

[0036] By moving the sliding column 203, when reaching the appropriate position, the bolt one 206 outside the handle 201 passes through the corresponding threaded hole one 202 and realizes threaded connection with the threaded hole two 205, so as to achieve the purpose of adjusting the length of the handle 201. Since there are differences in palm size and holding habits of different users, by adjusting the length of the handle 201, each user can find the most suitable holding length for himself, improving the comfort of holding. At the same time, when the detector needs to be stretched to a farther place for detection, lengthening the handle 201 can increase the convenience of operation, and when the detector needs to be placed in a small space for operation, shortening the handle 201 can better adapt to the space limit.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A hand-held gas detector comprising a detector housing (1), characterised in that: The top of the detector shell (1) is connected with the air inlet pipeline (3), the rear bottom end of the air inlet pipeline (3) is fixedly connected with the probe head (4), the rear top end of the detector shell (1) is rotatably connected with the protective plate (5), the rear left side of the protective plate (5) is rotatably connected with the L-shaped buckle (6), the rear end top left side of the detector shell (1) is fixedly connected with the baffle (7) near the edge, the top of the baffle (7) is clamped with the bottom of the L-shaped buckle (6), the rear end top left side of the detector shell (1) is fixedly connected with the clamping groove block (8), the inside of the clamping groove block (8) is provided with the positioning bead (9), the front left end of the protective plate (5) is fixedly connected with the buckle (10), the front end of the buckle (10) is clamped with the adjacent side of the positioning bead (9), the bottom of the detector shell (1) is provided with the telescopic mechanism (2), the telescopic mechanism (2) is used for adjusting the length of the hand.

2. The hand-held gas detector of claim 1, wherein: The telescopic mechanism (2) includes two handles (201), the top of the handle (201) is fixedly connected with the bottom of the detector shell (1), the left side of the handle (201) is provided with two threaded holes (202), the adjacent between the handle (201) is slidably connected with the sliding column (203), the upper and lower ends of the sliding column (203) are fixedly connected with two positioning rings (204), the right side of the positioning ring (204) is provided with a threaded hole (205), the inner wall of the threaded hole (202) is threadedly connected with the bolt (206), the bolt (206) penetrates the handle (201) and is threadedly connected with the inner wall of the threaded hole (205).

3. The hand-held gas detector of claim 1, wherein: The right side of the top of the detector shell (1) is fixedly connected with the alarm lamp (11), the right side of the top of the detector shell (1) is fixedly connected with the electric lamp (12).

4. The hand-held gas detection meter of claim 1, wherein: The left side of the middle of the detector shell (1) is fixedly connected with the cooling fin (13), the front side of the middle of the detector shell (1) is fixedly connected with the display screen (14).

5. The hand-held gas detection meter of claim 1, wherein: The front bottom of the detector shell (1) is fixedly connected with a plurality of operation buttons (15), a plurality of operation buttons (15) are symmetrically designed.

6. The handheld gas detection instrument of claim 1, wherein: The rear middle right side of the detector shell (1) is rotatably connected with the cover plate (16), the rear middle of the detector shell (1) is fixedly connected with the battery plate (17).

7. A hand-held gas detection meter according to claim 6, characterised in that: The left side of the cover plate (16) is threadedly connected with two bolts (18), the front side of the bolt (18) penetrates the cover plate (16) and is threadedly connected with the rear side of the detector shell (1).

8. The handheld gas detection instrument of claim 2, wherein: The rear bottom of the detector shell (1) is fixedly connected with the nameplate (19), the outer wall of the handle (201) is fixedly connected with the anti-skid sleeve (20).

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