Trace gas detector

Abstract

The invention relates to the technical field of rammer compactors, and particularly discloses a trace gas detector which is characterized in that an insertion hole is fixedly connected to a detection part, fixing plates are fixedly connected to the surface of the top end of the detection part and arranged on the two sides of the insertion hole, and cutting assemblies are fixedly connected to the fixing plates and used for cutting the two ends of a detection test tube; a drawing handle, a clamping plate, a spring and a drawing handle are arranged, the drawing handle is moved, a cutting knife fixed to a sliding block transversely moves, then the cutting knife conveniently moves, a detection test tube is conveniently cut, the side, adjacent to the detection test tube, of the clamping plate is in an arc shape, the clamping plate is attached to the part, needing to be cut, of the detection test tube, and the cutting efficiency is improved. The detection test tube cutting part is fixed through the elastic force of the spring, the detection test tube cutting part fixed between the clamping plates is driven to move by moving the drawing handle, and then the cutting part can be automatically broken off, so that the detection test tube can be ventilated, and workers are prevented from being hurt by manual breaking.

Description

Technical Field

[0001] The invention relates to the technical field of compactors, in particular to a trace gas detector. Background Art

[0002] Nowadays, most people are indoors, in homes, offices, and shopping malls. Long-term exposure to low doses of toxic gases may cause chronic respiratory diseases, nasopharyngeal cancer, colon cancer, brain tumors, menstrual disorders, gene mutations in the cell nucleus, intra-strand cross-linking of DNA and cross-linking of DNA with proteins, inhibition of DNA damage repair, pregnancy syndrome, neonatal chromosomal abnormalities, leukemia, memory and intellectual decline in adolescents, etc. In severe cases, it may lead to coma or even death. Therefore, it is necessary to detect trace gases in the house upon check-in.

[0003] The trace detector places the sampler in the sampling bottle, connects the exhaust port of the sampling bottle to the detector through a connecting tube, collects air through the air inlet, and then connects the detector to the measuring instrument through the connecting tube, and inserts the test paper. However, a glass cover is set on the outside of the test paper to protect it. Before using the test paper, the staff needs to peel off the two ends of the glass cover. Glass fragments may appear in the peeling process, and the staff will be scratched. For this reason, we propose a trace gas detector. Summary of the invention

[0004] The purpose of the present invention is to provide a trace gas detector to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a trace gas detector, comprising: a measuring element, a detecting element and a vent pipe,

[0006] The measuring piece is used to absorb air, the detecting piece is used to detect the concentration of trace gases in the collected air, the two ends of the ventilation pipe are respectively connected to the measuring piece and the detecting piece, and the ventilation pipe is used to transport air to the detecting piece;

[0007] A socket is fixedly connected on the detection piece, a fixing plate is fixedly connected to the top surface of the detection piece, and the fixing plates are arranged on both sides of the socket, a cutting assembly is fixedly connected to the fixing plate, and the cutting assembly is used to cut the two ends of the detection test tube, a moving assembly is connected to the fixing plate, and the moving assembly is used to break off the two ends of the detection test tube, and an insertion assembly is provided on the fixing plate, and the insertion assembly is used to fix the detection test tube.

[0008] Preferably, the cutting assembly includes two groups of cutting parts, a sliding part and a sliding handle, wherein one group of cutting parts is respectively arranged at the top end of the detection test tube, and the other group of cutting parts is arranged at the bottom end of the detection test tube, each group of cutting parts includes two cutting knives, and the two cutting knives are arranged on both sides of the detection test tube, the sliding part is fixedly connected to the fixed plate, and the sliding handle is fixedly connected to the sliding part.

[0009] Preferably, the sliding member comprises a slide plate, a slide groove 1 and a slider, the slide plate is fixedly connected to the fixed plate, the slide groove 1 is provided on the slide plate, the slider is fixedly connected to the cutting knife, and the slider and the slide groove 1 are slidably connected.

[0010] Preferably, the movable assembly includes several insertion rings, fixings, connecting plates and pull-out pieces, the several insertion rings correspond to the inspection test tubes, the fixings are fixedly connected to the insertion rings, the connecting plates are fixedly connected between every two insertion rings, the pull-out pieces are fixedly connected to the connecting plates, and the pull-out pieces are used to break off the two ends of the inspection test tubes.

[0011] Preferably, the fixing member includes a rectangular groove, a telescopic shaft, a spring and a clamping plate, the rectangular groove is opened on the inner surface of the fixing ring, one end of the telescopic shaft is fixedly connected to the inner wall of the rectangular groove, the spring is sleeved on the outer wall of the telescopic shaft, the clamping plate is fixedly connected to the other end of the telescopic shaft, and the spring is arranged between the clamping plate and the inner wall of the rectangular groove.

[0012] Preferably, the drawer comprises a second slide groove and a drawer handle, the second slide groove is provided on the surface of the clamping plate, the connecting plate is slidably connected to the second slide groove, and the drawer handle is fixedly connected to the connecting plate.

[0013] Preferably, the insertion assembly includes two lifting members, two lifting plates and a storage plate. The two lifting members are arranged on the fixed plate, the two lifting plates are connected to the lifting members at both ends, and the storage plates are slidably connected to the rope plate at both ends. The storage plates are used to fix the test tubes.

[0014] Preferably, the lifting member includes two grooves, a handle, a screw rod and a sliding rod. The two grooves are opened on the fixed plate, the handle is arranged on the top surface of the fixed plate, one end of the screw rod is rotatably connected to the inner wall of one of the grooves, and the other end of the screw rod is fixedly connected to the handle, and both ends of the sliding rod are fixedly connected to the inner wall of the other groove.

[0015] Preferably, movable plates are fixedly connected to both ends of the lifting plate, one of the movable plates is threadedly connected to the screw rod, and the other movable plate is slidably connected to the slide rod, and the movable plates are used to move the lifting plate.

[0016] Preferably, a fixing ring is provided on the receiving plate, a through hole is provided on the receiving plate, a plug post is fixedly connected to the fixing plate, and the plug post is inserted into the through hole, and the fixing ring is made of rubber material.

[0017] The present invention has at least the following beneficial effects: by providing a pull-out handle, a clamping plate, a spring and a pull-out handle, the pull-out handle is moved so that the cutting knife fixed on the slider moves laterally, thereby facilitating the movement of the cutting knife and facilitating the cutting of the test tube; the clamping plate is arc-shaped on one side adjacent to the test tube, so that the clamping plate fits the part of the test tube that needs to be cut, and the cut part of the test tube is fixed by the spring force; by moving the pull-out handle, the cutting part of the test tube fixed between the clamping plates is driven to move, and the cut part can be automatically broken off, so that the test tube can be ventilated, thereby preventing manual breaking from causing harm to the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a partial schematic diagram of the present invention;

[0020] Figure 3 It is a partial cross-sectional view of the present invention;

[0021] Figure 4 It is a partial cross-sectional view of the present invention;

[0022] Figure 5 It is a side sectional view of the structure of the present invention;

[0023] Figure 6 For the present invention Figure 5 The structural diagram of A in the figure;

[0024] Figure 7 It is a structural schematic diagram of the storage board of the present invention;

[0025] Figure 8 For the present invention Figure 7 Schematic diagram of the structure of B;

[0026] Fig. 9 It is a partial top cross-sectional view of the present invention;

[0027] Fig.10 For the present invention Fig. 9 Schematic diagram of the structure of C;

[0028] Fig.11 Insert a ring cutaway view for the present invention.

[0029] In the figure: 1-measuring piece; 2-ventilation pipe; 3-detection piece; 4-jack; 5-fixed plate; 6-insertion component; 61-storage plate; 62-lifting plate; 63-handle; 64-screw rod; 65-slide rod; 66-groove; 7-cutting component; 71-sliding handle; 72-slide plate; 73-sliding block; 74-cutting knife; 75-slide groove one; 8-moving component; 81-insertion ring; 82-connecting plate; 83-pull handle; 84-slide groove two; 85-rectangular groove; 86-telescopic shaft; 87-clamping plate; 88-spring; 9-moving plate; 10-fixed ring; 11-through hole; 12-insertion column. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-11 , the present invention provides a technical solution:

[0032] Embodiment 1,

[0033] A trace gas detector, comprising: a measuring element 1, a detecting element 3 and a vent pipe 2,

[0034] The measuring piece 1 is used to absorb air, so as to facilitate the detection of trace gases in the air. The detection piece 3 is used to detect the concentration of trace gases in the collected air, so as to observe the concentration value of trace gases in the air. The two ends of the ventilation pipe 2 are respectively connected to the measuring piece 1 and the detection piece 3. The ventilation pipe 2 is used to transport air to the detection piece 3. Before use, the ventilation pipe 2 is connected to the measuring piece 1 and the detection piece 3, and the measuring piece 1 and the detection piece 3 are turned on to make the measuring piece 1 inhale air, and then send it into the detection piece 3 through the ventilation pipe 2. The detection test tube is used to detect the trace gases in the air and display the detection data;

[0035] A socket 4 is fixedly connected to the detection member 3, and the socket 4 is used to insert the detection test tube so that the detection test tube is in contact with the air. A fixing plate 5 is fixedly connected to the top surface of the detection member 3, and the fixing plate 5 is arranged on both sides of the socket 4. A cutting component 7 is fixedly connected to the fixing plate 5, and the fixing plate 5 fixes the cutting component 7 to facilitate cutting of the detection test tube. The cutting component 7 is used to cut both ends of the detection test tube. A moving component 8 is connected to the fixing plate 5, and the moving component 8 is used to break off the two ends of the detection test tube, and then fix the broken ends of the two ends of the detection test tube. An insertion component 6 is provided on the fixing plate 5, and the insertion component 6 is used to fix the detection test tube, so that the detection test tube can be inserted into the socket 4 conveniently, and then the trace gas can be detected.

[0036] The cutting assembly 7 includes two groups of cutting pieces, a sliding piece and a sliding handle 71, wherein one group of cutting pieces is respectively arranged at the top end of the test tube, and the other group of cutting pieces is arranged at the bottom end of the test tube. Cutting pieces are arranged at the upper and lower ends of the test tube to cut the upper and lower ends of the test tube, thereby allowing the test tube to be ventilated. Each group of cutting pieces includes two cutting knives 74, and the two cutting knives 74 are arranged at both sides of the test tube. The cutting knives 74 on one side are closer to the test tube. Cutting knives 74 are arranged at both ends of the test tube, so that both sides of the test tube can be cut. The cutting knives 74 on one side are closer to the test tube, so as to deepen the cutting depth of the test tube. The sliding piece is fixedly connected to the fixed plate 5, and the sliding handle 71 is fixedly connected to the sliding piece. Before inserting the test tube, the sliding handle 71 is moved to drive the sliding piece to move, thereby causing the cutting knife 74 fixed on the sliding piece to move, and the cutting knife 74 can cut both ends of the test tube.

[0037] The cam 72 is engaged with the bolt 71 and the bolt 73 is engaged with the bolt 71 so that the bolt 71 is in the locked state and the locking cam 72 is in the locked state.

[0038] The moving assembly 8 includes a plurality of insertion rings 81, fixing parts, connecting plates 82 and pull-out parts. A plurality of insertion rings 81 are provided with openings on one side. The openings of the plurality of insertion rings 81 correspond to the test tubes, so that the insertion rings 81 can be used to fix the test tubes. Insertion rings 81 are provided at both ends of the cutting knife. The insertion rings 81 are fixedly connected with fixing parts, which can fix the two ends of the test tubes. The connecting plate 82 is fixedly connected between every two insertion rings 81. The connecting plate 82 is used to connect and fix a plurality of insertion rings 81. The pull-out part is fixedly connected to the connecting plate 82. When the connecting plate 82 is moved, the pull-out part can drive the insertion ring to move, so as to fix the test tubes.

[0039] The fixing part includes a rectangular groove 85, a telescopic shaft 86, a spring 88 and a clamping plate 87. The rectangular groove 85 is opened on the inner surface of the insertion ring 81, and one end of the telescopic shaft 86 is fixedly connected to the inner wall of the rectangular groove 85. The rectangular groove 85 can fix the telescopic shaft. The spring 88 is sleeved on the outer wall of the telescopic shaft 86. The clamping plate 87 is fixedly connected to the other end of the telescopic shaft 86, and the spring 88 is arranged between the clamping plate 87 and the inner wall of the rectangular groove 85. The clamping plate 87 is arc-shaped on the side adjacent to the detection test tube, so that the clamping plate 87 fits the part of the detection test tube that needs to be cut. When the insertion ring 81 moves to the outer wall of the detection test tube, the detection test tube squeezes the clamping plate 87, causing the telescopic shaft 86 to expand and contract, resulting in the compression of the spring 88. The spring 88 generates an opposite force elastic force to squeeze the detection test tube, thereby fixing the detection test tube.

[0040] The pull-out piece includes a second slide groove 84 and a pull-out handle 83. The second slide groove 84 is provided on the surface of the clamping plate 87, and the connecting plate 82 is slidably connected to the second slide groove 84. The pull-out handle 83 is fixedly connected to the connecting plate 82. Before cutting the test tube, the insertion ring 81 can be moved to both ends of the test tube at the same time by moving the pull-out handle 83. The clamping plate 87 fixes both ends of the test tube. After the test tube is cut, the pull-out handle 83 is moved again to drive the insertion ring 81 to move. The movement of the insertion ring 81 can break off the two ends of the test tube clamped by the clamping plate 87, and then the two ends of the test tube can be automatically broken off, so that the test tube can be ventilated, preventing manual breaking from causing harm to the staff.

[0041] According to the above embodiments, in Embodiment 2, the insertion assembly 6 includes two lifting members, two lifting plates 62 and a storage plate 61. The two lifting members are arranged on the fixed plate 5, and both ends of the two lifting plates 62 are connected to the lifting members. Both ends of the storage plate 61 are slidably connected to the rope plate. The storage plate 61 is used to fix the detection test tube. After the detection test tube is cut, the lifting member drives the lifting plate 62 to move vertically so that the detection test tube is inserted into the socket 4 at the same time, so that the detection test tube can be ventilated and trace gases can be detected, making it more convenient to insert the detection test tube into the socket 4. After the detection is completed, the lifting plate 62 is lifted up again to move the detection test tube out of the socket 4, so as to facilitate the staff to insert and remove the detection test tube.

[0042] The lifting member includes two grooves 66, a handle 63, a screw rod 64 and a slide bar 65. The two grooves 66 are opened on the fixed plate 5, and the handle 63 is arranged on the top surface of the fixed plate 5. One end of the screw rod 64 is rotatably connected to the inner wall of one of the grooves 66, and the other end of the screw rod 64 is fixedly connected to the handle 63. Both ends of the slide bar 65 are fixedly connected to the inner wall of the other groove 66. The screw rod 64 is rotated by rotating the handle 63 to make the lifting plate 62 move vertically on the screw rod 64 and the slide bar 65, so that the detection test tube is inserted into the insertion hole 4. Before the detection test tube is inserted, the detection test tube is cut by moving the cutting knife 74. After the detection test tube is cut, the handle 63 is rotated, and the rotation of the handle 63 drives the screw rod 64 to rotate, so that the lifting plate 62 is lowered, and then the detection test tube is inserted into the insertion hole 4, so that the detection test tube is ventilated to detect trace gases. After the detection is completed, the handle 63 is rotated to drive the screw rod 64 to rotate, so that the lifting plate 62 returns to its original position.

[0043] The lifting plate 62 is fixedly connected with movable plates 9 at both ends, one of which is threadedly connected to the screw rod 64, and the other movable plate 9 is slidably connected to the sliding rod 65. The movable plate 9 is used to move the lifting plate 62. By setting the movable plate 9, when the inspection test tube is inserted, the handle 63 is turned, the screw rod 64 rotates to drive the movable plate 9 to rotate, and the movable plate 9 is threadedly connected to the screw rod 64, so that the movable plate 9 moves downward, and the movable plate 9 moves vertically to drive the lifting plate 62 to move downward, so that the inspection test tube is inserted into the jack 4. After the inspection is completed, the handle 63 is turned, the screw rod 64 rotates to drive the movable plate 9 to rotate, and the movable plate 9 is threadedly connected to the screw rod 64, so that the movable plate 9 moves upward, and the movable plate 9 moves vertically to drive the lifting plate 62 to move upward and return to its original position, so that the staff can insert and extract the inspection test tube at the same time, saving working time.

[0044] According to the above embodiments, in embodiment three, a fixing ring 10 is provided on the storage plate 61, a through hole 11 is provided on the storage plate 61, a plug post 12 is fixedly connected to the fixing plate 5, and the plug post 12 is inserted into the through hole 11, the fixing ring 10 is made of rubber material, and the fixing ring 10 is provided to fix and limit the detection test tube to prevent the detection test tube from being offset when the detection test tube is cut, and the fixing ring 10 can be disassembled and installed by providing the plug hole 4 and then the plug post 12, so as to facilitate the disassembly and replacement of the fixing ring 10, and the fixing ring 10 is made of rubber material and can be deformed, so that the fixing ring 10 can change according to the movement of the shrink ring, and after the detection is completed, the storage plate is slidably connected on the lifting plate, and then the storage plate is folded and stored, so that the detection test tubes can be collected and compared, which is convenient for the staff to view the detection data.

[0045] 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.

[0046] 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 trace gas detector, comprising: Measuring piece (1), testing piece (3) and ventilation pipe (2), The measuring element (1) is used to absorb air, the detecting element (3) is used to detect the concentration of trace gases in the collected air, the two ends of the ventilation pipe (2) are respectively connected to the measuring element (1) and the detecting element (3), and the ventilation pipe (2) is used to transport air to the detecting element (3); The invention is characterized in that: the detection member (3) is fixedly connected with a socket (4); the top surface of the detection member (3) is fixedly connected with a fixing plate (5), and the fixing plate (5) is arranged on both sides of the socket (4); the fixing plate (5) is fixedly connected with a cutting assembly (7), and the cutting assembly (7) is used to cut the two ends of the detection test tube; the fixing plate (5) is connected with a moving assembly (8), and the moving assembly (8) is used to break off the two ends of the detection test tube; the fixing plate (5) is provided with an insertion assembly (6), and the insertion assembly (6) is used to fix the detection test tube.

2. The trace gas detector according to claim 1, characterized in that: The cutting assembly (7) comprises two groups of cutting members, a sliding member and a sliding handle (71), wherein one group of the cutting members is respectively arranged at the top end of the detection test tube, and the other group of the cutting members is arranged at the bottom end of the detection test tube, each group of the cutting members comprises two cutting knives (74), and the two cutting knives (74) are arranged at both sides of the detection test tube, the sliding member is fixedly connected to the fixed plate (5), and the sliding handle (71) is fixedly connected to the sliding member.

3. The trace gas detector according to claim 2, characterized in that: The sliding member comprises a slide plate (72), a slide groove (75) and a slider (73); the slide plate (72) is fixedly connected to the fixed plate (5); the slide groove (75) is provided on the slide plate (72); the slider (73) is fixedly connected to the cutting knife (74); and the slider (73) and the slide groove (75) are slidably connected.

4. The trace gas detector according to claim 1, characterized in that: The moving assembly (8) comprises a plurality of insertion rings (81), a fixing piece, a connecting plate (82) and a pull-out piece. The plurality of insertion rings (81) correspond to the detection test tubes. The fixing piece is fixedly connected to the insertion rings (81). The connecting plate (82) is fixedly connected between every two insertion rings (81). The pull-out piece is fixedly connected to the connecting plate (82). The pull-out piece is used to break off the two ends of the detection test tube.

5. The trace gas detector according to claim 1, characterized in that: The fixing member comprises a rectangular groove (85), a telescopic shaft (86), a spring (88) and a clamping plate (87); the rectangular groove (85) is provided on the inner surface of the fixing ring (10) (81); one end of the telescopic shaft (86) is fixedly connected to the inner wall of the rectangular groove (85); the spring (88) is sleeved on the outer wall of the telescopic shaft (86); the clamping plate (87) is fixedly connected to the other end of the telescopic shaft (86); and the spring (88) is arranged between the clamping plate (87) and the inner wall of the rectangular groove (85).

6. The trace gas detector according to claim 1, characterized in that: The drawer member comprises a second slide groove (84) and a drawer handle (83); the second slide groove (84) is provided on the surface of the clamping plate (87); the connecting plate (82) is slidably connected to the second slide groove (84); and the drawer handle (83) is fixedly connected to the connecting plate (82).

7. The trace gas detector according to claim 2, characterized in that: The insertion assembly (6) comprises two lifting members, two lifting plates (62) and a receiving plate (61), wherein the two lifting members are arranged on the fixing plate (5), the two ends of the two lifting plates (62) are connected to the lifting members, the two ends of the receiving plate (61) are slidably connected to the rope plate, and the receiving plate (61) is used to fix the test tube.

8. The trace gas detector according to claim 1, characterized in that: The lifting member comprises two grooves (66), a handle (63), a screw rod (64) and a slide rod (65), wherein the two grooves (66) are formed on the fixed plate (5), the handle (63) is arranged on the top surface of the fixed plate (5), one end of the screw rod (64) is rotatably connected to the inner wall of one of the grooves (66), and the other end of the screw rod (64) is fixedly connected to the handle (63), and both ends of the slide rod (65) are fixedly connected to the inner wall of the other groove (66).

9. The trace gas detector according to claim 1, characterized in that: The two ends of the lifting plate (62) are fixedly connected with movable plates (9), one of the movable plates (9) is threadedly connected to the screw rod (64), and the other movable plate (9) is slidably connected to the slide rod (65), and the movable plates (9) are used to move the lifting plate (62).

10. The trace gas detector according to claim 1, characterized in that: The receiving plate (61) is provided with a fixing ring (10), the receiving plate (61) is provided with a through hole (11), the fixing plate (5) is fixedly connected with an insertion column (12), and the insertion column (12) is inserted into the through hole (11), and the fixing ring (10) is made of rubber material.

Images