Fixed gas detector convenient to adjust detection position

Abstract

The utility model relates to a fixed gas detector convenient to adjust a detection position, which belongs to the field of gas detectors and comprises a mounting box, an adjusting box arranged at the top of the mounting box, a detector body arranged at the top of the adjusting box and a controller fixedly mounted on the front surface of the mounting box, a moving mechanism extending to the outside of the mounting box is arranged in the mounting box, an angle adjusting mechanism extending to the outside of the adjusting box is arranged in the adjusting box, and the moving mechanism comprises a servo motor fixedly mounted at the top of the mounting box and a lead screw rotationally connected to the interior of the mounting box. According to the fixed gas detector convenient to adjust the detection position, a servo motor is started to work through a controller, the servo motor works to drive a transmission gear to rotate, the transmission gear rotates and meshes to drive a driven gear and a lead screw to rotate, and the lead screw rotates to drive a threaded block, a connecting base and an adjusting box to move left and right; therefore, the detector body is driven to adjust the detection position as required, and the advantage of high detection quality is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detectors, in particular to a fixed gas detector which is convenient for adjusting the detection position. Background Art

[0002] Gas detector is an instrument for detecting gas concentration. The instrument is suitable for dangerous places where flammable or toxic gases exist, and can continuously detect the content of the measured gas in the air within the lower explosion limit for a long time. It can be widely used in various industries such as gas, petrochemical, metallurgy, steel, coking, electricity, etc. where flammable or toxic gases exist. It is an ideal monitoring instrument to ensure property and personal safety.

[0003] In the process of monitoring the concentration of combustible gases in the air, a fixed gas detector is required. The Chinese utility model patent with the announcement number CN215339728U discloses a position-adjustable gas detector, including a detector body, a detection tube and a detection head. The position-adjustable gas detector also includes: a detector position adjustment structure, which is installed on the detector body and is used to adjust the position of the detector body by damping and telescoping, so that the detection head can detect higher or deeper areas; and a detection tube storage structure, which is installed on the detector body and is used to bend and store the detection tube by limiting the detection head. The utility model uses a damping and telescopic object to adjust the position of the detector body so that the detection head of the gas detector can extend to part of the higher or deeper area to be tested.

[0004] However, when the utility model position-adjustable gas detector is in use, there are some places that cannot be effectively covered by the detector, and it is inconvenient to adjust the detection angle of the detector, resulting in low gas detection sensitivity, which seriously affects the detection quality of the detector and cannot meet the use requirements. Therefore, a fixed gas detector that is easy to adjust the detection position is proposed to solve the above problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a fixed gas detector which is easy to adjust the detection position, and has the advantages of high detection quality and strong practicality. It solves the problem that some places of the existing position-adjustable gas detector cannot be effectively covered by the detector when in use, and it is inconvenient to adjust the detection angle of the detector, resulting in low gas detection sensitivity, which seriously affects the detection quality of the detector and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed gas detector that is convenient for adjusting the detection position, comprising a mounting box, an adjustment box arranged on the top of the mounting box, a detector body arranged on the top of the adjustment box, and a controller fixedly installed on the front of the mounting box, wherein a moving mechanism extending to the outside of the mounting box is arranged inside the mounting box, and an angle adjustment mechanism extending to the outside of the adjustment box is arranged inside the adjustment box;

[0007] The moving mechanism includes a servo motor fixedly mounted on the top of the installation box and a lead screw rotatably connected to the inside of the installation box, a transmission gear is fixedly connected to the output shaft of the servo motor, a driven gear meshing with the transmission gear is fixedly connected to the outside of the lead screw, a threaded block is threadedly connected to the outside of the lead screw, a connecting seat extending to the outside of the installation box is fixedly connected to the bottom of the threaded block, and the adjustment box is fixedly connected to the top of the connecting seat;

[0008] The angle adjustment mechanism includes a support plate fixedly connected to one side of the top of the adjustment box and an electric push rod fixedly installed inside the adjustment box, the support plate is hinged with a fixed plate inside, a push block is fixedly connected to the output end of the electric push rod, the top of the push block is fixedly connected with a first hinge seat, the first hinge seat is hinged with a connecting rod inside, the end of the connecting rod away from the first hinge seat is hinged with a second hinge seat, and the detector body is fixedly installed on the top of the fixed plate.

[0009] Furthermore, the lead screw is rotatably connected to the interior of the installation box, and the servo motor is electrically connected to the controller.

[0010] Furthermore, a movable opening adapted to the connecting seat is provided inside the installation box, and the outer diameter of the connecting seat is adapted to the inner diameter of the movable opening.

[0011] Furthermore, a slider extending into the interior of the installation box is fixedly connected to the bottom of the threaded block, a slide groove matching the slider is provided inside the installation box, and the slider and the slide groove are slidably connected.

[0012] Furthermore, a sliding opening matched with the first hinge seat is provided inside the adjustment box, and the outer diameter of the first hinge seat is matched with the inner diameter of the sliding opening.

[0013] Furthermore, the fixing plate is a solid rectangular parallelepiped, and the second hinge seat is fixedly installed on the bottom of the fixing plate.

[0014] Furthermore, a limit assembly is arranged inside the regulating box, and the limit assembly comprises a limit rod fixedly connected to the inside of the regulating box, and a sliding sleeve is slidably connected to the outside of the limit rod, and the sliding sleeve is fixedly connected to the bottom of the push block.

[0015] Compared with the prior art, the utility model provides a fixed gas detector that is easy to adjust the detection position, and has the following beneficial effects:

[0016] 1. The fixed gas detector, which is easy to adjust the detection position, starts the servo motor through the controller. The servo motor drives the transmission gear to rotate. The rotation and engagement of the transmission gear drives the driven gear and the lead screw to rotate. The rotation of the lead screw drives the threaded block, the connecting seat and the adjustment box to move left and right, thereby driving the detector body to adjust the detection position as needed, achieving the advantage of strong practicality.

[0017] 2. The fixed gas detector, which is easy to adjust the detection position, starts the extension and retraction of the electric push rod through the controller. The extension and retraction of the electric push rod drives the push block and the first hinged seat to move left and right. The first hinged seat drives the connecting rod and the second hinged seat to move left and right, so that the second hinged seat drives the fixed plate to adjust the angle, thereby adjusting the angle of the detector body, realizing the change of the angle of the detector body, effectively increasing the monitoring range, and achieving the advantages of high detection quality and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0019] Figure 2 This is a structural cross-sectional view of the angle adjustment mechanism of the utility model;

[0020] Figure 3 This is a front view of the structure of the utility model;

[0021] Figure 4 It is a structural stereogram of the angle adjustment mechanism of the utility model.

[0022] In the figure: 1 installation box, 2 adjustment box, 3 detector body, 4 moving mechanism, 41 servo motor, 42 transmission gear, 43 driven gear, 44 lead screw, 45 threaded block, 46 connecting seat, 47 slider, 5 angle adjustment mechanism, 51 support plate, 52 fixing plate, 53 electric push rod, 54 push block, 55 first articulated seat, 56 connecting rod, 57 second articulated seat, 6 controller, 7 limit assembly, 71 limit rod, 72 sliding sleeve. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1:

[0025] See also Figure 1-4 In this embodiment, a fixed gas detector that is easy to adjust the detection position includes an installation box 1, an adjustment box 2 arranged on the top of the installation box 1, a detector body 3 arranged on the top of the adjustment box 2 and a controller 6 fixedly installed on the front of the installation box 1. The interior of the installation box 1 is provided with a moving mechanism 4 extending to the outside thereof, and the interior of the adjustment box 2 is provided with an angle adjustment mechanism 5 extending to the outside thereof. The moving mechanism 4 includes a servo motor 41 fixedly installed on the top of the installation box 1 and a lead screw 44 rotatably connected to the interior of the installation box 1. A transmission gear 42 is fixedly connected to the output shaft of the servo motor 41, and a driven gear 43 meshing with the transmission gear 42 is fixedly connected to the outside of the lead screw 44. A threaded block 45 is threadedly connected to the outside of the lead screw 44, and a connecting seat 46 extending to the outside of the installation box 1 is fixedly connected to the bottom of the threaded block 45, and the adjusting box 2 is fixedly connected to the top of the connecting seat 46.

[0026] The servo motor 41 is started by the controller 6, and the servo motor 41 drives the transmission gear 42 to rotate. The rotation and engagement of the transmission gear 42 drives the driven gear 43 and the lead screw 44 to rotate. The rotation of the lead screw 44 drives the threaded block 45, the connecting seat 46 and the adjustment box 2 to move left and right, thereby driving the detector body 3 to adjust the detection position as needed, thereby achieving the advantage of strong practicality.

[0027] The lead screw 44 is rotatably connected to the interior of the installation box 1 , and the servo motor 41 is electrically connected to the controller 6 .

[0028] Specifically, a movable opening adapted to the connecting seat 46 is provided inside the installation box 1 , and the outer diameter of the connecting seat 46 is adapted to the inner diameter of the movable opening.

[0029] It should be noted that the bottom of the threaded block 45 is fixedly connected with a slider 47 extending into the interior of the installation box 1, and a slide groove matching the slider 47 is provided inside the installation box 1, and the slider 47 and the slide groove are slidably connected. By providing the slider 47 and the slide groove, the stability of the left and right movement of the detector body 3 is improved.

[0030] In addition, the detector body 3 belongs to conventional technology known to the public in the prior art, so its specific structural composition and working principle will not be described in detail in this article.

[0031] In this embodiment, the angle adjustment mechanism 5 includes a support plate 51 fixedly connected to one side of the top of the adjustment box 2 and an electric push rod 53 fixedly installed inside the adjustment box 2, a fixed plate 52 is hinged inside the support plate 51, a push block 54 is fixedly connected to the output end of the electric push rod 53, a first hinge seat 55 is fixedly connected to the top of the push block 54, a connecting rod 56 is hinged inside the first hinge seat 55, and a second hinge seat 57 is hinged at one end of the connecting rod 56 away from the first hinge seat 55, and the detector body 3 is fixedly installed on the top of the fixed plate 52. The electric push rod 53 is activated by the controller 6 to extend and retract, and the electric push rod 53 extends and retracts to drive the push block 54 and the first hinge seat 55 to move left and right, and the first hinge seat 55 drives the connecting rod 56 and the second hinge seat 57 to move left and right, so that the second hinge seat 57 drives the fixed plate 52 to adjust the angle, thereby adjusting the angle of the detector body 3, realizing the change of the angle of the detector body 3, effectively increasing the monitoring range, and achieving high detection quality.

[0032] The inside of the regulating box 2 is provided with a sliding opening matched with the first hinge seat 55 , and the outer diameter of the first hinge seat 55 is matched with the inner diameter of the sliding opening.

[0033] Specifically, the fixing plate 52 is a solid rectangular parallelepiped, and the second hinge seat 57 is fixedly installed on the bottom of the fixing plate 52 .

[0034] Embodiment 2:

[0035] See also Figure 1-4 On the basis of the first embodiment, a limiting assembly 7 is provided inside the adjustment box 2, the limiting assembly 7 includes a limiting rod 71 fixedly connected to the inside of the adjustment box 2, a sliding sleeve 72 is slidably connected to the outside of the limiting rod 71, and the sliding sleeve 72 is fixedly connected to the bottom of the push block 54. By providing the limiting rod 71 and the sliding sleeve 72, the stability of the detector body 3 during angle adjustment is improved.

[0036] The above technical solution improves the stability of the detector body 3 during angle adjustment.

[0037] The working principle of the above embodiment is:

[0038] When in use, the servo motor 41 is started through the controller 6, and the servo motor 41 drives the transmission gear 42 to rotate. The transmission gear 42 rotates and engages to drive the driven gear 43 and the lead screw 44 to rotate. The rotation of the lead screw 44 drives the threaded block 45, the connecting seat 46 and the adjustment box 2 to move left and right, thereby driving the detector body 3 to adjust the detection position as needed. The electric push rod 53 is started to extend and retract through the controller 6. The electric push rod 53 extends and retracts to drive the push block 54 and the first articulated seat 55 to move left and right. The first articulated seat 55 drives the connecting rod 56 and the second articulated seat 57 to move left and right, so that the second articulated seat 57 drives the fixed plate 52 to adjust the angle, thereby adjusting the angle of the detector body 3.

[0039] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail. The device is powered by an external power supply.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] 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 fixed gas detector that is easy to adjust the detection position, characterized in that: The invention comprises an installation box (1), an adjustment box (2) arranged on the top of the installation box (1), a detector body (3) arranged on the top of the adjustment box (2), and a controller (6) fixedly installed on the front of the installation box (1); a moving mechanism (4) extending to the outside of the installation box (1) is arranged inside the installation box (1); and an angle adjustment mechanism (5) extending to the outside of the adjustment box (2) is arranged inside the adjustment box (2); The moving mechanism (4) comprises a servo motor (41) fixedly mounted on the top of the installation box (1) and a lead screw (44) rotatably connected to the inside of the installation box (1); a transmission gear (42) is fixedly connected to the output shaft of the servo motor (41); a driven gear (43) meshing with the transmission gear (42) is fixedly connected to the outside of the lead screw (44); a threaded block (45) is threadedly connected to the outside of the lead screw (44); a connecting seat (46) extending to the outside of the installation box (1) is fixedly connected to the bottom of the threaded block (45); and the adjustment box (2) is fixedly connected to the top of the connecting seat (46); The angle adjustment mechanism (5) comprises a support plate (51) fixedly connected to one side of the top of the adjustment box (2) and an electric push rod (53) fixedly installed inside the adjustment box (2); the support plate (51) is internally hinged with a fixed plate (52); the output end of the electric push rod (53) is fixedly connected with a push block (54); the top of the push block (54) is fixedly connected with a first hinge seat (55); the first hinge seat (55) is internally hinged with a connecting rod (56); the connecting rod (56) is hinged with a second hinge seat (57) at one end away from the first hinge seat (55); the detector body (3) is fixedly installed on the top of the fixed plate (52).

2. A fixed gas detector that is easy to adjust the detection position according to claim 1, characterized in that: The lead screw (44) is rotatably connected to the interior of the installation box (1), and the servo motor (41) is electrically connected to the controller (6).

3. The fixed gas detector with easy-to-adjust detection position according to claim 1, characterized in that: The interior of the installation box (1) is provided with a movable opening matched with the connecting seat (46), and the outer diameter of the connecting seat (46) is matched with the inner diameter of the movable opening.

4. The fixed gas detector with easy-to-adjust detection position according to claim 1, characterized in that: The bottom of the threaded block (45) is fixedly connected to a sliding block (47) extending into the interior of the installation box (1); a sliding groove matching the sliding block (47) is provided inside the installation box (1); the sliding block (47) and the sliding groove are slidably connected.

5. The fixed gas detector with easy-to-adjust detection position according to claim 1, characterized in that: The regulating box (2) is provided with a sliding opening adapted to the first hinge seat (55) inside, and the outer diameter of the first hinge seat (55) is adapted to the inner diameter of the sliding opening.

6. The fixed gas detector with easy-to-adjust detection position according to claim 1, characterized in that: The fixing plate (52) is a solid rectangular parallelepiped, and the second hinge seat (57) is fixedly installed on the bottom of the fixing plate (52).

7. The fixed gas detector with easy-to-adjust detection position according to claim 1, characterized in that: A limit assembly (7) is arranged inside the regulating box (2), and the limit assembly (7) comprises a limit rod (71) fixedly connected to the inside of the regulating box (2), and a sliding sleeve (72) is slidably connected to the outside of the limit rod (71), and the sliding sleeve (72) is fixedly connected to the bottom of the push block (54).

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