Detecting instrument for indoor toxic gas detection
By designing an anti-clogging cover and control mechanism, the problem of easy clogging at the air inlet of the testing instrument was solved, thus improving safety and stability during transport.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional indoor toxic gas detectors are prone to having their air inlets blocked by impurities during transport, preventing airflow and reducing safety.
A testing instrument comprising an anti-clogging cover, a fixing ring, a snap-fit block, and a control mechanism was designed. By rotating the worm gear to drive the worm wheel and gear, the anti-clogging cover is separated from the testing instrument, protecting the air inlet from being blocked by impurities.
It effectively prevents the air inlet from being blocked during transport, improves the safety and stability of the testing instrument, and ensures smooth airflow.
Smart Images

Figure CN224035380U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to toxic gas detection equipment technical field, concretely is a detection instrument for indoor toxic gas detection. BACKGROUND
[0002] The concentration of toxic gas in the environment is detected and displayed in real time, so that people can know the content level of toxic gas in the current environment in time, for example, in a chemical enterprise, the concentration of toxic gas such as chlorine and hydrogen sulfide in the production workshop can be monitored in real time, and once the concentration exceeds the safety threshold, an alarm will be sent to remind the staff to take corresponding measures.
[0003] In the process of indoor toxic gas detection, detection instruments are needed, and the air inlet of the detection instrument is exposed in the process of carrying the traditional detection instrument directly placed in the inside of the tool bag, impurities are easy to enter the air inlet of the detection instrument, the detection instrument is blocked, the airflow cannot enter the inside of the detection instrument, and the use safety of the detection instrument is reduced. UTILITY MODEL CONTENT
[0004] To solve the problems in the above background art, the utility model aims at providing a detection instrument for indoor toxic gas detection, which has the advantages of preventing blockage during storage, solving the problem that the detection instrument is directly placed in the inside of the tool bag during carrying, the air inlet of the detection instrument is exposed, impurities are easy to enter the air inlet of the detection instrument, the detection instrument is blocked, the airflow cannot enter the inside of the detection instrument, and the use safety of the detection instrument is reduced.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a detection instrument for indoor toxic gas detection, comprising a blockage prevention cover, a toxic gas detector is arranged at the bottom of the blockage prevention cover, a fixing ring is fixedly connected to the surface of the toxic gas detector, a clamping block is arranged at the bottom of the fixing ring, the clamping block is sleeved on the surface of the toxic gas detector, and a control mechanism is fixedly connected to the right side of the clamping block.
[0006] As preferred in the utility model, the control mechanism comprises a toothed plate, the toothed plate is fixedly connected to the right side of the clamping block, the right side of the toothed plate penetrates to the right side of the blockage prevention cover, a gear is engaged with the bottom of the toothed plate, a rotating shaft is fixedly connected to the inside of the gear, the rotating shaft is movably connected to the inner wall of the blockage prevention cover, a worm wheel is fixedly connected to the back side of the rotating shaft, a worm is engaged with the bottom of the worm wheel, and the right side of the worm penetrates to the right side of the blockage prevention cover.
[0007] As preferred in the utility model, a knob is fixedly connected to the right side of the worm, and the knob is located at the right side of the blockage prevention cover.
[0008] As the utility model is preferred, the surface of the knob is provided with an anti-skid groove, and the anti-skid groove is located at the right side of the anti-blocking cover.
[0009] As the utility model is preferred, the surface of the worm is sleeved with a stabilizing frame, and the surface of the stabilizing frame is fixedly connected to the inner wall of the anti-blocking cover.
[0010] As the utility model is preferred, the surface of the toothed plate is sleeved with a stabilizing cylinder, and the right side of the stabilizing cylinder is fixedly connected to the right side of the inner wall of the anti-blocking cover.
[0011] As the utility model is preferred, the top of the inner wall of the anti-blocking cover is fixedly connected with a stabilizing sleeve, and the inner wall of the stabilizing sleeve is in contact with the surface of the toxic gas detector.
[0012] Compared with the prior art, the utility model has the advantages as follows:
[0013] 1、The utility model discloses a rotating worm, the worm drives the rotation of the worm wheel, the worm wheel drives the rotation of the gear, the gear drives the toothed plate to move to the right side, the toothed plate drives the right side of the clamping block, the clamping block is separated from the fixed ring, the anti-blocking cover loses the fixed, and the anti-blocking cover is separated from the toxic gas detector, and the toxic gas detector can work normally, has the advantages of anti-blocking during storage, and the air inlet of the detection instrument is sealed and protected during carrying, and the use safety of the detection instrument is improved.
[0014] 2、The utility model discloses a control mechanism, can carry out the clamping installation of anti-blocking cover, avoids the loosening of anti-blocking cover during use, and improves the protection effect of anti-blocking cover to the toxic gas detector.
[0015] 3、The utility model discloses a knob, can conveniently rotate the worm for the user, avoids the difficulty of the user to pinch the worm, causes the difficulty of the worm to be rotated, and improves the rotation efficiency of the worm. DRAWINGS
[0016] Figure 1 It is the structural schematic diagram of the utility model;
[0017] Figure 2 It is the perspective sectional view of the anti-blocking cover of the utility model;
[0018] Figure 3 It is the perspective sectional view of the toothed plate of the utility model;
[0019] Figure 4 It is the perspective view of the worm wheel of the utility model.
[0020] In the figure: 1, prevent cover; 2, toxic gas detector; 3, fixed ring; 4, clamping block; 5, control mechanism; 51, tooth plate; 52, gear; 53, rotating shaft; 54, worm; 55, worm; 6, knob; 7, anti-skid groove; 8, stabilizer; 9, stabilizing cylinder; 10, stabilizing sleeve. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] As shown in Figures 1 to 4 , the utility model provides a kind of detection instrument for indoor toxic gas detection, including prevent cover 1, prevent cover 1 bottom is provided with toxic gas detector 2, the surface of toxic gas detector 2 is fixedly connected with fixed ring 3, the bottom of fixed ring 3 is provided with clamping block 4, clamping block 4 is sleeved on the surface of toxic gas detector 2, clamping block 4 right side is fixedly connected with control mechanism 5.
[0023] Reference Figure 3 , control mechanism 5 includes tooth plate 51, tooth plate 51 is fixedly connected at the right side of clamping block 4, tooth plate 51 right side is penetrated to the right side of prevent cover 1, the bottom of tooth plate 51 is engaged with gear 52, the inside of gear 52 is fixedly connected with rotating shaft 53, rotating shaft 53 is movably connected in the inner wall of prevent cover 1, the back side of rotating shaft 53 is fixedly connected with worm 54, the bottom of worm 54 is engaged with worm 55, the right side of worm 55 is penetrated to the right side of prevent cover 1.
[0024] As a kind of technical optimization scheme of the utility model, by setting control mechanism 5, clamping installation can be carried out to prevent cover 1, avoid loosening in the process of using prevent cover 1, improve the protection effect of prevent cover 1 to toxic gas detector 2.
[0025] Reference Figure 3 , the right side of worm 55 is fixedly connected with knob 6, and knob 6 is located at the right side of prevent cover 1.
[0026] As a kind of technical optimization scheme of the utility model, by setting knob 6, it can be rotated worm 55 for the user, avoid worm 55 difficult to be pinched by user, lead to worm 55 difficult to be rotated, improve the rotation efficiency of worm 55.
[0027] Reference Figure 3 , the surface of knob 6 is provided with anti-skid groove 7, and anti-skid groove 7 is located at the right side of prevent cover 1.
[0028] As a technical optimization scheme of the utility model, through setting anti -skid groove 7, can increase the friction between knob 6 and user, avoid the friction between knob 6 and user is small, lead to knob 6 in the user's hand slip, improved the stability of knob 6.
[0029] Reference Figure 3 The surface of the worm 55 is sleeved with a stabilizing frame 8, and the surface of the stabilizing frame 8 is fixedly connected to the inner wall of the anti-blocking cover 1.
[0030] As a technical optimization scheme of the utility model, through setting stabilizing frame 8, worm 55 can be stabilized, avoid the phenomenon of skewing during the rotation of worm 55, improve the use stability of worm 55.
[0031] Reference Figure 3 The surface of the toothed plate 51 is sleeved with a stabilizing cylinder 9, and the right side of the stabilizing cylinder 9 is fixedly connected to the right side of the inner wall of the anti-blocking cover 1.
[0032] As a technical optimization scheme of the utility model, through setting stabilizing cylinder 9, toothed plate 51 can be stably sliding, avoid shaking during the sliding movement of toothed plate 51, lead to toothed plate 51 loose, improve the sliding stability of toothed plate 51.
[0033] Reference Figure 2 The top of the inner wall of the anti-blocking cover 1 is fixedly connected with a stabilizing sleeve 10, and the inner wall of the stabilizing sleeve 10 is in contact with the surface of the toxic gas detector 2.
[0034] As a technical optimization scheme of the utility model, through setting stabilizing sleeve 10, the top position of the anti-blocking cover 1 can be stabilized, avoid skewing during the use of the anti-blocking cover 1, improve the use effect of the anti-blocking cover 1.
[0035] The working principle and use process of the utility model: when using, the anti-blocking cover 1 seals the gas inlet at the top of the toxic gas detector 2, and the impurities in the outside are isolated, when the toxic gas detector 2 is used, the worm 55 is rotated, the worm 55 drives the worm wheel 54 to rotate, the worm wheel 54 drives the gear 52 to rotate, the gear 52 drives the toothed plate 51 to move to the right side, the toothed plate 51 drives the clamping block 4 to move to the right side, the clamping block 4 is separated from the fixed ring 3, the anti-blocking cover 1 loses the fixation, and the anti-blocking cover 1 is moved upward, the anti-blocking cover 1 is separated from the toxic gas detector 2, and the toxic gas detector 2 can work normally.
[0036] In summary, this indoor toxic gas detection instrument, through the coordinated use of the anti-blocking cover 1, the toxic gas detector 2, the fixing ring 3, the locking block 4, and the control mechanism 5, solves the problem that when the detection instrument is placed directly inside the tool bag during transport, the air inlet of the detection instrument is exposed, making it easy for impurities to enter and cause blockage, preventing airflow from entering the interior of the detection instrument and reducing its safety.
[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0038] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A detection instrument for indoor toxic gas detection, comprising a protective cover (1), characterized in that: The bottom of the anti-blocking cover (1) is provided with a toxic gas detector (2), and a fixing ring (3) is fixedly connected to the surface of the toxic gas detector (2). A snap-fit block (4) is provided at the bottom of the fixing ring (3). The snap-fit block (4) is sleeved on the surface of the toxic gas detector (2). A control mechanism (5) is fixedly connected to the right side of the snap-fit block (4).
2. The indoor toxic gas detection instrument according to claim 1, characterized in that: The control mechanism (5) includes a toothed plate (51), which is fixedly connected to the right side of the snap-fit block (4). The right side of the toothed plate (51) extends through to the right side of the anti-blocking cover (1). A gear (52) is engaged at the bottom of the toothed plate (51). A rotating shaft (53) is fixedly connected inside the gear (52). The rotating shaft (53) is movably connected to the inner wall of the anti-blocking cover (1). A worm gear (54) is fixedly connected to the rear side of the rotating shaft (53). A worm (55) is engaged at the bottom of the worm gear (54). The right side of the worm (55) extends through to the right side of the anti-blocking cover (1).
3. The indoor toxic gas detection instrument according to claim 2, characterized in that: A knob (6) is fixedly connected to the right side of the worm gear (55), and the knob (6) is located on the right side of the anti-blocking cover (1).
4. The indoor toxic gas detection instrument according to claim 3, characterized in that: The surface of the knob (6) is provided with an anti-slip groove (7), which is located on the right side of the anti-blocking cover (1).
5. The indoor toxic gas detection instrument according to claim 2, characterized in that: The surface of the worm (55) is fitted with a stabilizer (8), and the surface of the stabilizer (8) is fixedly connected to the inner wall of the anti-blocking cover (1).
6. The indoor toxic gas detection instrument according to claim 2, characterized in that: The surface of the toothed plate (51) is fitted with a stabilizing cylinder (9), and the right side of the stabilizing cylinder (9) is fixedly connected to the right side of the inner wall of the anti-blocking cover (1).
7. The indoor toxic gas detection instrument according to claim 1, characterized in that: A stabilizing sleeve (10) is fixedly connected to the top of the inner wall of the anti-blocking cover (1), and the inner wall of the stabilizing sleeve (10) is in contact with the surface of the toxic gas detector (2).