Environment detection device suitable for multiple regions

Abstract

The invention relates to the technical field of environment detection, and discloses an environment detection device suitable for multiple regions, which comprises a detection cylinder with a built-in detection sensor, a movable core column is movably mounted in the detection cylinder, one side of the movable core column is coaxially connected with a stretching column, the end part of the stretching column is provided with a collection groove for collecting environmental substances, and the detection sensor is arranged in the collection groove. A driving seat used for driving the movable core column to move is rotatably installed in the detection cylinder, a driving shifting piece is connected to the driving seat, the outer end of the driving shifting piece is exposed out of the outer side of the detection cylinder, and the driving seat is in transmission connection with the movable core column. Two collection modes of spiral telescoping and linear telescoping are realized, and collection requirements of different materials are met, so that the collection modes can be flexibly selected according to environmental material characteristics, the applicability and flexibility of the equipment are improved, the equipment is suitable for detection and collection in multiple regions, the detection cost is reduced, and the operation convenience is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of environmental detection, in particular to an environmental detection device applicable to multiple regions. Background Art

[0002] With the accelerated development of industrialization and urbanization, environmental pollution problems are becoming increasingly serious, and people's awareness of environmental protection is gradually increasing. Environmental testing is an important means to understand the current status of environmental pollution and prevent and control environmental pollution. When testing the environment, it is first necessary to take environmental samples, and then conduct manual testing or use sensors and other instruments to obtain accurate environmental pollution data.

[0003] Different regions have different environmental testing objects and sampling objects, so the testing and sampling methods are also different. From a mechanical perspective, mechanical devices (such as telescopic arms) are directly inserted into the collected material to perform sampling operations to complete the test. This method is relatively simple, direct and fast, but it is suitable for materials with high hardness and not easy to deform. The rotary sampler is used to perform a rotating motion while inserting the collected material to achieve sampling. This method can contact the material more comprehensively and improve the uniformity and representativeness of the sampling, but this method is used for materials with high hardness and not easy to deform.

[0004] Therefore, when testing and sampling different substances in different regions, a variety of tools and equipment are needed, which leads to inconvenient operation and high testing costs. Therefore, it does not meet the existing needs. We have proposed an environmental testing device suitable for multiple regions. Summary of the invention

[0005] The present invention provides an environmental detection device applicable to multiple regions, which has a fast switching collection mode and is applicable to more substances, thereby improving the convenience of multi-region detection. It solves the problem mentioned in the above background technology that when detecting and sampling different substances in different regions, a variety of tools and equipment need to be used, resulting in inconvenient operation and high detection costs.

[0006] The present invention provides the following technical solution: an environmental detection device applicable to multiple regions, comprising a detection cylinder with a built-in detection sensor, a movable core column movably installed inside the detection cylinder, a probe column coaxially connected to one side of the movable core column, a collection groove for collecting environmental substances is provided at the end of the probe column, a drive seat for driving the movable core column to move is rotatably installed inside the detection cylinder, a drive paddle is connected to the drive seat, the outer end of the drive paddle is exposed outside the detection cylinder, and the drive seat is drivingly connected to the movable core column.

[0007] As an optional solution of an environmental detection device applicable to multiple regions described in the present invention, a linear rack is slidably installed inside the detection cylinder, a semicircular gear is installed on the side of the drive seat away from the drive paddle, the semicircular gear is meshed with the linear rack, an abutment block is installed on one end of the linear rack adjacent to the movable core column, the abutment block is slidably fitted with the movable core column, a threaded hole is opened on the detection cylinder, the drive paddle passes through the threaded hole, and when the drive paddle is moved, the extension column extends outward.

[0008] As an optional solution of the multi-regional environmental detection device described in the present invention, a reset spring for resetting is sleeved on the extension column, and the reset spring is located between the movable core column and the inner wall of the detection tube.

[0009] As an optional solution of the environmental detection device applicable to multiple regions described in the present invention, wherein: a linear slide groove is provided on the movable core column, a slide column cavity is provided inside the detection cylinder, a linear slide column is slidably installed in the slide column cavity, and the linear slide column is movably engaged with the linear slide groove; The movable core column is provided with a spiral slide groove, the detection cylinder is provided with a control slot hole, a rotating slide column is movably inserted in the control slot hole, and the rotating slide column is movably engaged with the spiral slide groove; When the rotary slide column is engaged with the spiral slide groove, the linear slide column and the linear slide groove are clearance-matched, and the extension column is spirally extended; When the linear slide column is engaged with the linear slide groove, the rotary slide column and the spiral slide groove are clearance-matched, and the extension column extends out linearly.

[0010] As an optional solution of an environmental detection device applicable to multiple regions as described in the present invention, wherein: a first airbag ring is installed in the detection cylinder, a threaded block is installed on the side of the rotating slide column away from the spiral slide groove, the threaded block is spirally connected to the control slot hole, and a twist handle is installed on the other side of the threaded block.

[0011] As an optional solution of an environmental detection device applicable to multiple regions as described in the present invention, the first airbag ring is arranged on the outside of the rotating slide column and between the threaded round block and the spiral slide groove, the second airbag ring is installed on the outside of the linear slide column, and an air guide tube is installed in the detection cylinder, and the first airbag ring is connected to the second airbag ring through the air guide tube.

[0012] As an optional solution of the environmental detection device applicable to multiple regions described in the present invention, a linear spring is installed in the slide column cavity, and the end of the linear spring abuts against the side of the linear slide column.

[0013] As an optional solution of an environmental detection device applicable to multiple regions as described in the present invention, a grip shell is installed at one end of the detection tube adjacent to the drive paddle, a ring cover for storing the material in the collection groove is installed inside the detection tube, the ring cover is slidably fitted with the probe column, and an isolation cover is installed at the end of the detection tube for further isolating it from the outside world.

[0014] As an optional solution for an environmental detection device applicable to multiple regions described in the present invention, wherein: the isolation cover is configured as a circular hollow cover, a turntable is coaxially rotatably installed on the isolation cover, a plurality of inclined slots are provided in a circular array on the isolation cover, a polygonal slide is provided on the turntable, the number of side slots of the polygonal slide corresponds to the number of inclined slots, a through hole is provided in the middle of the turntable, a rectangular slider is slidably installed in each side slot of the polygonal slide, a door flap is installed on the rectangular slider, a rotating shaft is installed on the other side of the door flap, the rotating shaft is movably engaged with the adjacent inclined slot, an opening and closing groove is provided on the side of the isolation cover, a push rod is slidably installed in the opening and closing groove, the push rod is connected to the turntable, and a telescopic connecting rod is connected between the movable core column and the push rod.

[0015] As an optional solution of the multi-regional environmental detection device described in the present invention, wherein: the telescopic connecting rod comprises a sleeve rod slidably inserted in the detection tube, a sliding rod is inserted in the sleeve rod, one end of the sliding rod is slidably fitted with the side wall of the movable stem, a telescopic spring is installed between the other end of the sliding rod and the sleeve rod, the other end of the sleeve rod is in contact with the push rod, and the sleeve rod is provided with a transverse portion and an inclined portion at the end adjacent to the push rod; In normal state, the inclined surface is in contact with the push rod, and a plurality of the door flaps are closed; When the probing column is extended, the push rod slides and fits with the inclined surface until the push rod is engaged with the transverse surface, a plurality of the door petals remain open, and the probing column passes through the through hole.

[0016] The present invention has the following beneficial effects: 1. The environmental detection device applicable to multiple regions is different from the prior art in that a spiral chute and a linear chute are arranged on the movable core column, the spiral chute is movably engaged with the rotating slide column, and the linear chute is movably engaged with the linear slide column. When the rotating slide column is engaged with the spiral chute, the movable core column is pushed up, and the movable core column is extended and rotated at the same time through the sliding cooperation between the rotating slide column and the spiral chute, thereby realizing telescopic and rotating collection, so that the material is contacted more comprehensively, the uniformity and representativeness of the sampling are improved, and for materials with uneven particle size distribution and good fluidity, the telescopic and rotating collection can achieve better sampling effect; In addition, if the linear slide is engaged with the linear slide column, the movable core column is pushed up, and the movable core column can only move linearly through the sliding cooperation between the linear slide column and the linear slide, so that the collection slot can be directly telescopic for collection. For materials with high hardness and not easy to deform, direct telescopic collection can be more effective in sampling; This technical solution, through the design of spiral chutes and linear chutes, realizes two collection modes, spiral telescopic and linear telescopic, to meet the collection needs of different materials, so that the collection mode can be flexibly selected according to the characteristics of the environment and materials, thereby improving the applicability and flexibility of the equipment, being suitable for detection and collection in multiple regions, reducing detection costs, and improving operational convenience.

[0017] 2. The environmental detection device applicable to multiple regions, through the cooperation of the threaded block and the threaded socket, and the setting of the twist handle, can control the plug-in position of the rotating slide by turning the twist handle, thereby producing different degrees of squeezing on the first airbag ring, and through the cooperation of the second airbag ring and the linear slide, the switching of the sampling mode of the detection device can be automatically controlled; this technical solution ensures the purity of the mode switching and ensures the selection of one, which not only accurately adapts to the characteristics of different materials and ensures the uniformity and representativeness of the sampling, but also greatly simplifies the operation process and improves the detection efficiency.

[0018] 3. The environmental detection device applicable to multiple regions can seal the collection slot after it is retracted through the setting of the ring cover, so that the material inside will not spill out, thereby ensuring the reliability of sampling and detection; and, through the setting of the isolation cover, turntable, door flap and push rod, it is combined into an opening and closing iris device; specifically, when the extension column moves outward, the movable core column resists the telescopic connecting rod, and the end of the sleeve rod pushes the push rod to move, and the push rod is first pushed by the inclined portion and then engaged with the transverse portion, so as to maintain the position of the push rod after triggering and keep the door flap open. Therefore, the dual design of the ring cover and the opening and closing iris device of this scheme not only improves the reliability of sampling and detection, but also greatly enhances the safety and accuracy during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention.

[0020] Figure 2 It is a schematic diagram of a partially exploded three-dimensional structure of the present invention.

[0021] Figure 3 It is a partial three-dimensional structural schematic diagram of the present invention.

[0022] Figure 4 It is a partial structural schematic diagram of the present invention.

[0023] Figure 5 It is a schematic diagram of the overall side cross-sectional structure of the present invention.

[0024] Figure 6 It is a schematic diagram of a partial cross-sectional structure during straight line collection of the present invention.

[0025] Figure 7 It is a schematic diagram of the partial cross-sectional structure of the spiral collection device of the present invention.

[0026] Figure 8 For the present invention Figure 5 A is an enlarged structural diagram of FIG.

[0027] In the figure: 110, detection cylinder; 120, movable core column; 130, extension column; 140, collection slot; 150, ring cover; 160, reset spring; 170, grip shell; 180, control slot; 190, threaded jack; 210, drive paddle; 220, drive seat; 230, semicircular gear; 240, linear rack; 250, abutment block; 310, rotating slide column; 320, threaded round block; 330, twist handle; 340, first airbag ring; 350, air guide tube; 360, slide column cavity; 3 70. Linear slide column; 380. Linear spring; 390. Second airbag ring; 400. Telescopic connecting rod; 410. Sliding rod; 420. Sleeve rod; 421. Inclined portion; 422. Transverse portion; 430. Telescopic spring; 510. Spiral slide groove; 520. Linear slide groove; 610. Isolation cover; 611. Opening and closing groove; 620. Turntable; 630. Perforation; 640. Polygonal slide groove; 650. Inclined slot hole; 660. Door flap; 670. Rectangular slider; 680. Rotating shaft; 690. Push rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example 1: This example aims to solve the problem that when testing and sampling different substances in different regions, multiple tools and equipment are needed, which leads to inconvenient operation and high testing costs. Please refer to Figure 1 -, an environmental detection device suitable for multiple regions, including a detection cylinder 110 with a built-in detection sensor, a movable core column 120 movably installed inside the detection cylinder 110, a probe column 130 coaxially connected to one side of the movable core column 120, a collection groove 140 for collecting environmental substances is provided at the end of the probe column 130, a driving seat 220 for driving the movable core column 120 to move is rotatably installed inside the detection cylinder 110, a driving paddle 210 is connected to the driving seat 220, the outer end of the driving paddle 210 is exposed outside the detection cylinder 110, and the driving seat 220 is transmission-connected to the movable core column 120.

[0030] It should be noted that there are many types of existing environmental detection sensors, each of which has different measurement objects and application scenarios, and most of them are existing technologies. This embodiment also selects conventional sensors for use, which will not be described in detail here.

[0031] A linear rack 240 is slidably installed inside the detection cylinder 110, and a semicircular gear 230 is installed on the side of the drive seat 220 away from the drive paddle 210. The semicircular gear 230 is meshed with the linear rack 240. An abutment block 250 is installed at one end of the linear rack 240 adjacent to the movable stem 120. The abutment block 250 is slidably fitted with the movable stem 120. A threaded hole 190 is opened on the detection cylinder 110, and the drive paddle 210 passes through the threaded hole 190. When the drive paddle 210 is toggled, the extension column 130 extends outward.

[0032] A reset spring 160 is sleeved on the extension column 130 for resetting, and the reset spring 160 is located between the movable stem 120 and the inner wall of the detection tube 110. Figure 5 By setting the driving paddle 210 and the extension column 130, when the driving paddle 210 is turned, the driving seat 220 drives the semicircular gear 230 to rotate, so that the semicircular gear 230 drives the linear rack 240 to move, so that the linear rack 240 drives the movable core column 120 to move, so that the extension column 130 is extended out of the detection cylinder 110, and the collection groove 140 is used to complete the collection of environmental substances. The driving paddle 210 is dialed back to reset everything, and the collection groove 140 follows the extension column 130 to be retracted into the detection cylinder 110, and the existing detector in the detection cylinder 110 is used to detect environmental substances, thereby realizing the detection of the regional environment.

[0033] A linear slide groove 520 is provided on the movable core column 120 , and a slide column cavity 360 is provided inside the detection cylinder 110 . A linear slide column 370 is slidably installed in the slide column cavity 360 , and the linear slide column 370 is movably engaged with the linear slide groove 520 .

[0034] For specific settings, see Figure 2 A spiral groove 510 is provided on the movable core column 120, and a control slot 180 is provided on the detection tube 110. A rotating slide column 310 is movably inserted in the control slot 180, and the rotating slide column 310 is movably engaged with the spiral groove 510; when the rotating slide column 310 is engaged with the spiral groove 510, the clearance between the linear slide column 370 and the linear groove 520 is matched, and the extension column 130 is spirally extended; when the linear slide column 370 is engaged with the linear groove 520, the clearance between the rotating slide column 310 and the spiral groove 510 is matched, and the extension column 130 is linearly extended.

[0035] In this embodiment: the present invention provides a spiral chute 510 and a linear chute 520 on the movable core column 120, the spiral chute 510 is movably engaged with the rotating slide column 310, and the linear chute 520 is movably engaged with the linear slide column 370. When the rotating slide column 310 is engaged with the spiral chute 510, the movable core column 120 is pushed up, and the movable core column 120 is extended and rotated at the same time through the sliding cooperation between the rotating slide column 310 and the spiral chute 510, thereby realizing telescopic accompanied with rotation collection, so that the material is contacted more comprehensively, the uniformity and representativeness of the sampling are improved, and for materials with uneven particle size distribution and good fluidity, the telescopic accompanied with rotation collection can achieve better sampling effect; In addition, if the linear slide 520 is engaged with the linear slide 370, the movable core column 120 is pushed up, and the movable core column 120 can only move linearly through the sliding cooperation between the linear slide 370 and the linear slide 520, so that the collection slot 140 can be directly extended and retracted for collection. For materials with high hardness and not easy to deform, direct extension and retraction collection can more effectively sample; This technical solution, through the design of the spiral chute 510 and the linear chute 520, realizes two collection modes, namely spiral telescopic and linear telescopic, to meet the collection needs of different materials, so that the collection mode can be flexibly selected according to the environmental material characteristics, thereby improving the applicability and flexibility of the equipment, being suitable for detection and collection in multiple regions, reducing detection costs, and improving operational convenience.

[0036] Embodiment 2: This embodiment is intended to promote the solution of the problem that the spiral chute 510 and the linear chute 520 cannot be engaged at the same time. This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1-Figure 8 The first airbag ring 340 is installed in the detection cylinder 110, and a threaded round block 320 is installed on the side of the rotating slide column 310 away from the spiral slide groove 510. The threaded round block 320 is spirally connected to the control slot 180, and a twist handle 330 is installed on the other side of the threaded round block 320. The first airbag ring 340 and the second airbag ring 390 are both configured as rubber airbags. The first airbag ring 340, the air guide tube 350, and the second airbag ring 390 form a sealed space, and nitrogen is stored inside.

[0037] The first airbag ring 340 is sleeved on the outside of the rotating slide 310 and between the threaded round block 320 and the spiral slide groove 510. The second airbag ring 390 is installed on the outside of the linear slide 370. The air guide tube 350 is installed in the detection tube 110. The first airbag ring 340 is connected to the second airbag ring 390 through the air guide tube 350.

[0038] A linear spring 380 is installed in the slide column cavity 360 , and an end of the linear spring 380 abuts against a side of the linear slide column 370 .

[0039] For specific settings, see Figure 6 and Figure 7 When the rotating slide post 310 is inserted shallowly, the gas in the first airbag ring 340 is sufficient, and the second airbag ring 390 is deflated. At this time, the linear spring 380 is completely released, so that the linear slide post 370 is squeezed, so the linear slide post 370 is inserted deeper, the linear slide post 370 is engaged with the linear slide groove 520, and the rotating slide post 310 and the spiral slide groove 510 are gap-matched. In this way, when the movable core column 120 moves, it moves in a straight line.

[0040] After twisting the twist handle 330, the rotating slide column 310 is inserted deeper and engages with the spiral groove 510. At the same time, the threaded block 320 squeezes the first airbag ring 340, so that the gas in the first airbag ring 340 enters the second airbag ring 390. The second airbag ring 390 expands to counteract the linear spring 380. The linear slide column 370 is lifted up and away from the linear groove 520, so that the movement of the movable core column 120 at this time is to extend while rotating.

[0041] In this embodiment: through the cooperation between the threaded round block 320 and the threaded insertion hole 190, and the setting of the twist handle 330, the twist handle 330 can be rotated to control the insertion position of the rotating slide 310, so as to produce different degrees of compression on the first airbag ring 340, and through the cooperation between the second airbag ring 390 and the linear slide 370, the switching of the sampling mode of the detection device can be automatically controlled; This technical solution ensures the purity of mode switching and the choice of one option. It not only accurately adapts to the characteristics of different materials and ensures the uniformity and representativeness of sampling, but also greatly simplifies the operating process and improves detection efficiency.

[0042] Embodiment 3: This embodiment aims to promote the solution of the problem of keeping the material pure and improving the detection accuracy after collecting the material. This embodiment is an improvement made on the basis of embodiment 2. For details, please refer to Figure 1-Figure 8 A grip shell 170 is installed at one end of the detection tube 110 adjacent to the driving paddle 210, and a ring cover 150 for storing the material in the collection groove 140 is installed inside the detection tube 110. The ring cover 150 is slidably fitted with the probe column 130, and an isolation cover 610 is installed at the end of the detection tube 110 to further isolate it from the outside world.

[0043] The isolation cover 610 is configured as a circular hollow cover, a turntable 620 is coaxially rotatably installed on the isolation cover 610, a plurality of inclined slots 650 are provided in a circumferential array on the isolation cover 610, a polygonal slide 640 is provided on the turntable 620, the number of side slots of the polygonal slide 640 corresponds to the number of inclined slots 650, a through hole 630 is provided in the middle of the turntable 620, a rectangular slider 670 is slidably installed in each side slot of the polygonal slide 640, a door flap 660 is installed on the rectangular slider 670, a rotating shaft 680 is installed on the other side of the door flap 660, and the rotating shaft 680 is movably engaged with the adjacent inclined slot 650, an opening and closing slot 611 is provided on the side of the isolation cover 610, a push rod 690 is slidably installed in the opening and closing slot 611, the push rod 690 is connected to the turntable 620, and a telescopic connecting rod 400 is connected between the movable core column 120 and the push rod 690.

[0044] In the specific configuration, a torsion spring (not shown) is installed between the rotating disk 620 and the isolation cover 610 to reset the rotating disk 620 and close the door flap 660. The inclined slot 650 pushes the rotating shaft 680 to move and rotate, and the rectangular slider 670 moves along the polygonal slide 640. Under the joint action, the door flap 660 rotates and opens centrifugally at the same time.

[0045] See Figure 1 and Figure 8 The telescopic connecting rod 400 includes a sleeve rod 420 slidably inserted in the detection tube 110, a sliding rod 410 is inserted in the sleeve rod 420, one end of the sliding rod 410 is slidably fitted with the side wall of the movable core column 120, a telescopic spring 430 is installed between the other end of the sliding rod 410 and the sleeve rod 420, the other end of the sleeve rod 420 is in contact with the push rod 690, and a transverse portion 422 and an inclined portion 421 are provided at the end of the sleeve rod 420 adjacent to the push rod 690.

[0046] In normal state, the inclined portion 421 fits with the push rod 690 and the plurality of door petals 660 are closed; when the extension column 130 is extended, the push rod 690 slides and fits with the inclined portion 421 until the push rod 690 is engaged with the transverse portion 422, the plurality of door petals 660 remain open, and the extension column 130 passes through the through hole 630.

[0047] In this embodiment: by setting the ring cover 150, the collection slot 140 can be sealed after it is retracted, so that the material inside will not spill out, thereby ensuring the reliability of sampling and detection; and, by setting the isolation cover 610, the turntable 620, the door flap 660 and the push rod 690, an opening and closing iris device is combined. When the push rod 690 moves, the inclined slot 650 pushes the rotating shaft 680, so that the rotating shaft 680 moves and rotates, and at the same time, the rectangular slider 670 moves along the polygonal slide 640, so that the door flap 660 rotates, so that all the door flaps 660 are centrifugally opened at the same time, so that the perforation 630 is unobstructed, and the extension column 130 can pass through. When the extension column 130 is retracted, the door flap 660 closes, further separating the inside of the detection tube 110 from the outside, and further improving the sampling safety and detection accuracy; Specifically, when the extension column 130 moves outward, the movable core column 120 contacts the telescopic connecting rod 400, and the end of the sleeve rod 420 pushes the push rod 690 to move. The push rod 690 is first pushed by the inclined portion 421, and then engages with the transverse portion 422, thereby maintaining the position of the push rod 690 after being triggered and keeping the door flap 660 open. Therefore, the dual design of the ring cover 150 and the opening and closing iris device of this scheme not only improves the reliability of sampling and detection, but also greatly enhances the safety and accuracy during operation.

[0048] 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.

[0049] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An environmental detection device applicable to multiple regions, comprising a detection cylinder (110) with a built-in detection sensor, characterized in that: A movable stem (120) is movably mounted inside the detection cylinder (110), a probe column (130) is coaxially connected to one side of the movable stem column (120), a collection groove (140) for collecting environmental substances is provided at the end of the probe column (130), a driving seat (220) for driving the movable stem column (120) to move is rotatably mounted inside the detection cylinder (110), a driving paddle (210) is connected to the driving seat (220), an outer end of the driving paddle (210) is exposed outside the detection cylinder (110), and the driving seat (220) is drivingly connected to the movable stem column (120).

2. The multi-regional environmental detection device according to claim 1, characterized in that: A linear rack (240) is slidably mounted inside the detection barrel (110); a semicircular gear (230) is mounted on a side of the drive seat (220) away from the drive paddle (210); the semicircular gear (230) meshes with the linear rack (240); an abutment block (250) is mounted on one end of the linear rack (240) adjacent to the movable stem (120); the abutment block (250) is slidably fitted with the movable stem (120); a threaded insertion hole (190) is provided on the detection barrel (110); the drive paddle (210) passes through the threaded insertion hole (190); when the drive paddle (210) is moved, the extension column (130) extends outward.

3. The multi-regional environmental detection device according to claim 1, characterized in that: A reset spring (160) for resetting is sleeved on the extension column (130), and the reset spring (160) is located between the movable stem column (120) and the inner wall of the detection cylinder (110).

4. The multi-regional environmental detection device according to claim 1, characterized in that: The movable core column (120) is provided with a linear slide groove (520), the detection cylinder (110) is provided with a slide column cavity (360), a linear slide column (370) is slidably installed in the slide column cavity (360), and the linear slide column (370) is movably engaged with the linear slide groove (520); The movable core column (120) is provided with a spiral slide groove (510), the detection cylinder (110) is provided with a control slot hole (180), a rotating slide column (310) is movably inserted into the control slot hole (180), and the rotating slide column (310) is movably engaged with the spiral slide groove (510); When the rotating slide post (310) is engaged with the spiral slide groove (510), the linear slide post (370) and the linear slide groove (520) are clearance-matched, and the extension post (130) is spirally extended; When the linear slide post (370) is engaged with the linear slide groove (520), a clearance fit is formed between the rotary slide post (310) and the spiral slide groove (510), and the extension post (130) extends linearly.

5. The multi-regional environmental detection device according to claim 4, characterized in that: A first airbag ring (340) is installed in the detection cylinder (110), a threaded round block (320) is installed on the side of the rotating slide column (310) away from the spiral slide groove (510), the threaded round block (320) is spirally connected to the control slot hole (180), and a twist handle (330) is installed on the other side of the threaded round block (320).

6. The multi-regional environmental detection device according to claim 5, characterized in that: The first airbag ring (340) is sleeved on the outside of the rotating slide column (310) and between the threaded round block (320) and the spiral slide groove (510); a second airbag ring (390) is installed on the outside of the linear slide column (370); an air guide tube (350) is installed in the detection cylinder (110); and the first airbag ring (340) is connected to the second airbag ring (390) through the air guide tube (350).

7. The multi-regional environmental detection device according to claim 6, characterized in that: A linear spring (380) is installed in the slide column cavity (360), and an end of the linear spring (380) abuts against a side of the linear slide column (370).

8. The multi-regional environmental detection device according to claim 1, characterized in that: A grip shell (170) is installed at one end of the detection cylinder (110) adjacent to the driving paddle (210), a ring cover (150) for storing the material in the collection tank (140) is installed inside the detection cylinder (110), the ring cover (150) is slidably fitted with the probe column (130), and an isolation cover (610) is installed at the end of the detection cylinder (110) for further isolating from the outside world.

9. The multi-regional environmental detection device according to claim 8, characterized in that: The isolation cover (610) is configured as a circular hollow cover, a turntable (620) is coaxially rotatably mounted on the isolation cover (610), a plurality of inclined slots (650) are provided in a circumferential array on the isolation cover (610), a polygonal slide groove (640) is provided on the turntable (620), the number of side grooves of the polygonal slide groove (640) corresponds to the number of the inclined slots (650), a through hole (630) is provided in the middle of the turntable (620), and a rectangular slider is slidably mounted in each side groove of the polygonal slide groove (640). (670), a door flap (660) is installed on the rectangular slider (670), a rotating shaft (680) is installed on the other side of the door flap (660), the rotating shaft (680) is movably engaged with the adjacent inclined slot (650), an opening and closing groove (611) is opened on the side of the isolation cover (610), a push rod (690) is slidably installed in the opening and closing groove (611), the push rod (690) is connected to the rotating disk (620), and a telescopic connecting rod (400) is connected between the movable core column (120) and the push rod (690).

10. The multi-regional environment detection device according to claim 9, characterized in that: The telescopic connecting rod (400) comprises a sleeve rod (420) slidably inserted into the detection cylinder (110), a sliding rod (410) being inserted into the sleeve rod (420), one end of the sliding rod (410) being slidably fitted with a side wall of the movable stem (120), a telescopic spring (430) being installed between the other end of the sliding rod (410) and the sleeve rod (420), the other end of the sleeve rod (420) being in contact with the push rod (690), and a transverse portion (422) and an inclined portion (421) being provided at an end of the sleeve rod (420) adjacent to the push rod (690); In a normal state, the inclined surface (421) is in contact with the push rod (690), and the plurality of door flaps (660) are closed; When the probing column (130) is extended, the push rod (690) slides and fits with the inclined surface (421) until the push rod (690) engages with the transverse surface (422), and a plurality of the door flaps (660) remain open, and the probing column (130) passes through the through hole (630).

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