Indoor air quality detector

Abstract

The utility model provides an indoor air quality detector which comprises the following structures: an operating rod, the inner side of the operating rod is movably connected with a transmission shaft, the middle part of the transmission shaft is fixedly provided with a worm gear, and the front part of the operating rod is rotatably connected with a worm; the inner side of the extension rod is movably connected with an extension shaft; the rear end of the fixing seat is movably connected with a deflection seat, a transmission shaft, an extension shaft and a connecting shaft are matched, a rotating handle and a worm are matched to drive a worm gear to rotate and drive the transmission shaft to rotate, at the moment, a first bevel gear drives a second horizontal gear to rotate, rotation of the deflection seat on the rear portion of the fixing seat is completed, and the working position of a mounting seat is changed. And in cooperation with the design of the extension rod, the working position of the gas sensor is adjusted, and the air data acquisition operation of the equipment at air data acquisition points at multiple height positions indoors is realized.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of air detection, and in particular to an indoor air quality detector. Background Art

[0002] During the process of indoor environment testing, the air quality detector needs to collect data at collection points at different heights indoors. Generally, after fixing the detector with a tripod, the working height of the detector can be changed through the structural function of the tripod itself. When collecting indoor air data in a space with a high indoor ceiling, personnel are required to use auxiliary tools such as a stepladder.

[0003] The inventor proposes an indoor air quality detector, which, through an extension rod and a deflection structure design, is convenient for users to carry the device and collect indoor air quality data points at multiple heights. Utility Model Content

[0004] 1. Technical problems solved by the utility model:

[0005] The utility model provides an indoor air quality detector, which solves the technical problems mentioned in the above background technology.

[0006] 2. Technical solution:

[0007] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is: an indoor air quality detector, comprising the following structure:

[0008] An operating lever, the inner side of which is movably connected to a transmission shaft, a worm wheel is fixedly arranged at the middle of the transmission shaft, a worm is rotatably connected to the front of the operating lever, the rear end of the worm is meshed with the front of the worm wheel, and a turning handle is fixedly arranged at the left end of the worm.

[0009] A plurality of extension rods are provided, wherein the inner sides of the extension rods are movably connected with extension shafts, and the bottoms of the extension shafts are clamped with the tops of the transmission shafts.

[0010] A fixed seat, the rear end of which is movably connected to a deflection seat.

[0011] Furthermore, a handle is fixedly provided at the rear end of the operating rod, and a wristband is movably connected to the bottom of the operating rod.

[0012] A card holder is clamped at the front of the operating rod, an air quality detector is fixedly arranged at the front of the card holder, and an extension cable is electrically connected to a signal input end of the air quality detector.

[0013] Furthermore, the bottom of the extension rod is clamped with the top of the operating rod, and the top of the extension rod is clamped with the bottom of the fixing seat.

[0014] Furthermore, a connecting shaft is movably connected to the middle of the fixing seat, the bottom of the connecting shaft is clamped with the top of the extension shaft, a first bevel gear is fixed to the top of the connecting shaft, and a slip ring is fixed to the rear end of the fixing seat.

[0015] Furthermore, a second bevel gear is fixedly provided at the front top of the deflection seat, and the bottom of the second bevel gear is meshed with the rear end of the first bevel gear. A sliding sleeve is fixedly provided on the outer side of the deflection seat, and the middle part of the sliding sleeve is slidably connected to the outer side of the slip ring. The bottom of the deflection seat is clamped with the top of the extension rod.

[0016] Furthermore, a mounting seat is clamped at the bottom of the extension rod, and a plurality of sensor connection seats are fixedly provided at the bottom of the mounting seat. Gas sensors are plugged into the interfaces of the sensor connection seats, and the sensor connection seats are electrically connected to the extension cables.

[0017] 3. Beneficial effects:

[0018] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0019] The utility model provides an indoor air quality detector, wherein the transmission shaft, the extension shaft and the connecting shaft cooperate, and the handle and the worm cooperate to drive the worm wheel to rotate, and drive the transmission shaft to rotate. At this time, the first bevel gear drives the second bevel gear to rotate, and the rotation of the deflection seat at the rear of the fixed seat is completed, and the working position of the mounting seat is changed. With the design of the extension rod, the working position of the gas sensor is adjusted, and the equipment can perform air data collection operations at air data collection points at multiple height positions indoors;

[0020] The utility model provides an indoor air quality detector, wherein the extension rod, the fixing seat and the deflection seat cooperate to complete the adjustment of the working distance between the operating rod and the mounting seat, so that the user can complete the rapid unfolding and folding of the device conveniently;

[0021] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0023] Figure 2 It is a half-section stereogram of the mounting seat structure of the utility model;

[0024] Figure 3 It is a half-section stereogram of the extension rod structure of the utility model;

[0025] Figure 4 This utility model Figure 3 A magnified view of the structure at center A;

[0026] Figure 5 This utility model Figure 3 A magnified view of the structure at B in the middle;

[0027] Figure 6 This utility model Figure 3 A magnified view of the structure at center C.

[0028] Reference numerals:

[0029] Operating lever-1; transmission shaft-11; worm wheel-12; worm-13; turning handle-14; grip-15; wristband-16;

[0030] Card holder-2; air quality detector-21; extension cable-22;

[0031] Extension rod-3; Extension shaft-31;

[0032] Fixed seat-4; connecting shaft-41; first bevel gear-42; slip ring-43;

[0033] Deflection seat-5; sliding sleeve-51; second bevel gear-52;

[0034] Mounting base-6; sensor connection base-61; gas sensor-62. DETAILED DESCRIPTION

[0035] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0036] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0038] See attached Figure 1-6The utility model provides an indoor air quality detector, comprising the following structure:

[0039] The operating lever 1 has a transmission shaft 11 movably connected to its inner side, a worm gear 12 is fixedly arranged in the middle of the transmission shaft 11, a worm 13 is rotatably connected to the front of the operating lever 1, the rear end of the worm 13 is meshed with the front of the worm gear 12, and a turning handle 14 is fixedly arranged at the left end of the worm 13.

[0040] There are multiple extension rods 3 , and an extension shaft 31 is movably connected inside the extension rod 3 . The bottom of the extension shaft 31 is clamped with the top of the transmission shaft 11 .

[0041] A fixed seat 4, the rear end of which is movably connected with a deflection seat 5.

[0042] In this embodiment, a handle 15 is fixedly provided at the rear end of the operating rod 1 , and a wristband 16 is movably connected to the bottom of the operating rod 1 .

[0043] The front of the operating rod 1 is clamped with a holder 2 , the front of the holder 2 is fixedly provided with an air quality detector 21 , and the signal input end of the air quality detector 21 is electrically connected with an extension cable 22 .

[0044] The design of the handle 15 and the wristband 16 makes it convenient for the user to hold the operating rod 1 to use the air quality detector 21.

[0045] The socket 2 completes the assembly of the air quality detector 21 on the operating rod 1. Since it is necessary to perform air data collection operations at air data collection points at multiple height positions, it is necessary to add an extension cable 22 between the air quality detector 21 and the gas sensor 62. The extension cable 22 and the sensor connecting socket 61 complete the assembly of the air quality detector 21 and the gas sensor 62, which is convenient for users to carry out air quality detection.

[0046] In this embodiment, the bottom of the extension rod 3 is clamped with the top of the operating rod 1 , and the top of the extension rod 3 is clamped with the bottom of the fixing seat 4 .

[0047] The extension rod 3 , the fixing seat 4 and the deflection seat 5 cooperate to complete the adjustment of the working distance between the operating rod 1 and the mounting seat 6 .

[0048] In this embodiment, a connecting shaft 41 is movably connected to the middle of the fixing seat 4, the bottom of the connecting shaft 41 is clamped with the top of the extension shaft 31, a first bevel gear 42 is fixed to the top of the connecting shaft 41, and a slip ring 43 is fixed to the rear end of the fixing seat 4.

[0049] The transmission shaft 11, the extension shaft 31 and the connecting shaft 41 cooperate with the turning handle 14 and the worm 13 to drive the worm wheel 12 to rotate, and then drive the transmission shaft 11 to rotate. At this time, the first bevel gear 42 drives the second bevel gear 52 to rotate, and completes the rotation of the deflection seat 5 at the rear of the fixed seat 4, changes the working position of the mounting seat 6, and cooperates with the design of the extension rod 3 to realize the adjustment of the working position of the gas sensor 62, so that the equipment can collect air data at air data collection points at multiple height positions indoors.

[0050] In this embodiment, a second bevel gear 52 is fixedly provided at the front top of the deflection seat 5, and the bottom of the second bevel gear 52 is meshed with the rear end of the first bevel gear 42. A sliding sleeve 51 is fixedly provided on the outer side of the deflection seat 5, and the middle part of the sliding sleeve 51 is slidably connected to the outer side of the slip ring 43, and the bottom of the deflection seat 5 is clamped with the top of the extension rod 3.

[0051] The cooperation between the slip ring 43 and the sliding seat improves the deflection stability of the deflection seat 5 at the rear of the fixed seat 4 . The cooperation between the deflection seat 5 and the extension rod 3 can further increase the working distance between the mounting seat 6 and the operating rod 1 .

[0052] In this embodiment, a mounting seat 6 is clamped at the bottom of the extension rod 3 , and a plurality of sensor connection seats 61 are fixedly provided at the bottom of the mounting seat 6 . A gas sensor 62 is plugged into the interface of the sensor connection seat 61 , and the sensor connection seat 61 is electrically connected to the extension cable 22 .

[0053] The mounting seat 6 is used for assembling the sensor connecting seat 61 , so as to facilitate assembling the sensor on the mounting seat 6 .

[0054] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. An indoor air quality detector, characterized in that: Includes the following structure: An operating rod (1), wherein the inner side of the operating rod (1) is movably connected to a transmission shaft (11), a worm wheel (12) is fixedly provided at the middle of the transmission shaft (11), a worm (13) is rotatably connected to the front of the operating rod (1), a rear end of the worm (13) is meshed with the front of the worm wheel (12), and a turning handle (14) is fixedly provided at the left end of the worm (13); A plurality of extension rods (3), wherein the inner sides of the extension rods (3) are movably connected to extension shafts (31), and the bottoms of the extension shafts (31) are clamped with the tops of the transmission shafts (11); A fixed seat (4), wherein the rear end of the fixed seat (4) is movably connected to a deflection seat (5).

2. An indoor air quality detector according to claim 1, characterized in that: A handle (15) is fixedly provided at the rear end of the operating rod (1), and a wristband (16) is movably connected to the bottom of the operating rod (1); The front of the operating rod (1) is clamped with a clamping seat (2), the front of the clamping seat (2) is fixedly provided with an air quality detector (21), and the signal input end of the air quality detector (21) is electrically connected to an extension cable (22).

3. An indoor air quality detector according to claim 1, characterized in that: The bottom of the extension rod (3) is clamped with the top of the operating rod (1), and the top of the extension rod (3) is clamped with the bottom of the fixing seat (4).

4. An indoor air quality detector according to claim 1, characterized in that: A connecting shaft (41) is movably connected to the middle of the fixing seat (4), the bottom of the connecting shaft (41) is clamped with the top of the extension shaft (31), a first bevel gear (42) is fixedly provided on the top of the connecting shaft (41), and a slip ring (43) is fixedly provided on the rear end of the fixing seat (4).

5. An indoor air quality detector according to claim 1, characterized in that: A second bevel gear (52) is fixedly provided at the front portion of the top end of the deflection seat (5), and the bottom of the second bevel gear (52) meshes with the rear end of the first bevel gear (42). A sliding sleeve (51) is fixedly provided at the outer side of the deflection seat (5), and the middle portion of the sliding sleeve (51) is slidably connected to the outer side of the slip ring (43). The bottom of the deflection seat (5) is clamped with the top of the extension rod (3).

6. An indoor air quality detector according to claim 1, characterized in that: The bottom of the extension rod (3) is clamped with a mounting seat (6), the bottom of the mounting seat (6) is fixedly provided with a plurality of sensor connection seats (61), the interfaces of the sensor connection seats (61) are plugged with gas sensors (62), and the sensor connection seats (61) are electrically connected to the extension cable (22).

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