Fixed toxic gas detector

Abstract

The utility model discloses a fixed toxic gas detector which comprises a shell cover, the shell cover is hinged to the front side of a shell, the left side of the shell is fixedly connected with a first connecting block, the front side of the first connecting block is fixedly provided with a hinge block, the left side of the shell cover is fixedly connected with a hinge shaft through a second connecting block, and the hinge shaft is rotationally connected with the hinge block; the locking piece is installed between the shell cover and the shell, and the locking piece comprises a first fixing plate, a butt joint shaft, a second fixing plate, a fixing base, a first hexagon socket screw, a sliding rod, a first screw joint block, a sliding block, a movable plate, a butt joint sleeve and a protective sleeve; the limiting plate is fixedly mounted in the shell; the sensor mounting box is inserted between the upper limiting plate and the lower limiting plate, and positioning plates are fixedly connected to the upper portion and the lower portion of the sensor mounting box; and the adjusting piece is mounted on the side surface of the limiting plate. Therefore, the shell cover is not easy to open due to accidental touch, and the damaged sensor mounting box can be conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the field of detectors, in particular to a fixed toxic gas detector. Background Art

[0002] Toxic gas detectors can allow people to detect toxic gases early and take effective measures in time to warn of toxic gas leaks. They are widely used in industrial sites in the petroleum, chemical, steel, metallurgy and other industries. For example, patent application number: 202021881638.8 discloses a fixed toxic gas detector, including a shell and a shell cover, the shell is connected to a receiving tube, the receiving tube is provided with an alarm indicator light, the shell is provided with a mounting column, the shell cover is provided with a spring buckle, and the shell is connected to a mounting device for convenient installation and removal of the sensor. It has the following advantages: by setting up the mounting device, the effect of making the sensor more convenient to install and replace is achieved, by setting up a sliding connection between the stabilizing block and the first connecting rod and the second connecting rod, the whole device can cooperate well, and by setting up the special shape of the stabilizing block and the notch of the sensor placement box, the sensor is well protected.

[0003] However, this patent still has the following defects: since the shell cover is fixed by a spring clip, it is easy for the shell cover to be opened due to accidental contact, making the sensor inside the shell easily affected by the outside world. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a fixed toxic gas detector so that the shell cover is not easily opened due to accidental contact, and a damaged sensor mounting box can be easily replaced.

[0005] According to the technical solution provided in the embodiment of the present application, a fixed toxic gas detector includes a shell cover, the shell cover is hinged on the front side of the shell, the left side of the shell is fixedly connected with a first connecting block, the front side of the first connecting block is fixedly installed with a hinge block, the left side of the shell cover is fixedly connected with a hinge shaft through a second connecting block, and the hinge shaft is rotatably connected to the hinge block; a sealing gasket is bonded to the rear side of the shell cover, the sealing gasket is located between the shell cover and the shell, and a locking member is installed between the shell cover and the shell, the locking member includes a first fixed plate, a docking shaft, a second fixed plate, a fixed seat, a first hexagon socket bolt, a sliding rod, a first screw block, a sliding block, a movable plate, a docking sleeve and a protective sleeve; the first fixed plate is fixedly installed on the side of the shell, the docking shaft is fixedly connected to the side of the first fixed plate, the second fixed plate is fixedly installed on the side of the shell cover, the second fixed plate is located on the front side of the first fixed plate, the fixed seat is fixedly installed on the rear side of the second fixed plate, and the first hexagon socket bolt is connected to the shell cover through a first bearing The fixing seat is connected, the sliding rod is fixedly mounted on the inner side of the fixing seat, the first screw block is screwed on the outer side of the first hexagon socket bolt, the sliding block is slidably mounted on the outer side of the sliding rod, the moving plate is fixedly mounted on the outer side of the sliding block and the first screw block, the docking sleeve is fixedly connected to the side surface of the moving plate, one side of the fixing seat is provided with an opening corresponding to the docking sleeve, the docking sleeve passes through the opening and is sleeved on the outer side of the docking shaft, the protective sleeve is fixedly connected to the other side of the fixing seat, the side surface of the protective sleeve is provided with an opening corresponding to the first hexagon socket bolt, a limit plate, and the limit plate is fixedly mounted on the inside of the shell; the sensor mounting box, the sensor mounting box is inserted between the upper and lower limit plates, and the upper and lower parts of the sensor mounting box are fixedly connected with positioning plates; the limit plates are respectively located on the left and right sides of the positioning plate, and the adjusting member is installed on the side of the limit plate, and the adjusting member includes a mounting seat, a second hexagon socket bolt, a first bevel gear, a second bevel gear, a screw and a second screw block;The mounting seat is fixedly mounted on the side of the limit plate, the second hexagon socket bolt is connected to the mounting seat through the second bearing, the first bevel gear is fixedly mounted on the end of the second hexagon socket bolt, the second bevel gear is meshed with the first bevel gear, the second bevel gear is fixedly mounted on the end of the screw, the screw is connected to the mounting seat through the third bearing, the second screw block is screwed on the outside of the screw, the plug-in piece, the plug-in piece is installed between the housing and the sensor installation box, the plug-in piece includes a fixed sleeve, a plug-in shaft, a synchronization rod and a connecting sleeve, the fixed sleeve is fixedly mounted inside the housing, the connecting sleeve is fixedly mounted on the side of the sensor installation box, the plug-in shaft is slidably connected with the fixed sleeve, the interior of the fixed sleeve is provided with a sliding groove matching the plug-in shaft, the synchronization rod is fixedly connected between the plug-in shaft and the second screw block, the side of the fixed sleeve is provided with a through hole corresponding to the synchronization rod, the synchronization rod passes through the through hole, the interior of the connecting sleeve is provided with a slot corresponding to the plug-in shaft, and the end of the plug-in shaft is inserted into the slot. ;

[0006] In summary, the beneficial effects of this application are:

[0007] 1. Through the arrangement of the first connecting block, the hinge block, the second connecting block, the hinge shaft and the locking member, the shell cover is not easily opened due to accidental touch;

[0008] 2. By setting the limit plate, the positioning plate, the adjustment part and the connector, when the sensor installation box inside the shell is damaged, the damaged sensor installation box can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 It is a rear structural schematic diagram of the locking member of the utility model;

[0012] Figure 3 This is a schematic diagram of the internal structure of the housing of the utility model;

[0013] Figure 4 It is a structural schematic diagram of the plug-in connector of the utility model;

[0014] Figure 5 It is a top view structural schematic diagram of the fixing sleeve of the utility model;

[0015] Figure 6It is a schematic diagram of the top view of the structure of the adjusting member of the utility model.

[0016] 1. The numbering in the figure is: 1. Shell; 2. Shell cover; 3. Receiving tube; 4. Alarm indicator light; 5. Mounting column; 21. Articulated block; 22. Articulated shaft; 23. Locking piece; 24. First fixed plate; 25. Docking shaft; 26. Second fixed plate; 27. Fixed seat; 28. First hexagon socket bolt; 29. ​​Sliding rod; 30. First screwed block; 31. Sliding block; 32. Moving plate; 33. Docking sleeve; 34. Protective sleeve; 35. First connecting block; 36. Limiting plate; 37. Sensor mounting box; 38. Positioning plate; 39. Adjusting piece; 40. Mounting seat; 41. Second hexagon socket bolt; 42. First bevel gear; 43. Second bevel gear; 44. Screw; 45. Second screwed block; 46. Connector; 47. Fixed sleeve; 48. Plug-in shaft; 49. Synchronous rod; 50. Connecting sleeve; 51. Second connecting block. DETAILED DESCRIPTION

[0017] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0018] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6A fixed toxic gas detector comprises a shell cover 2, wherein the shell cover 2 is hinged on the front side of a shell body 1, a first connecting block 35 is fixedly connected to the left side of the shell body 1, a hinge block 21 is fixedly installed on the front side of the first connecting block 35, a hinge shaft 22 is fixedly connected to the left side of the shell cover 2 through a second connecting block 51, and the hinge shaft 22 is rotatably connected to the hinge block 21; a locking member 23, wherein the locking member 23 is installed between the shell cover 2 and the shell body 1, and the locking member 23 comprises a first fixing plate 24, a docking shaft 25, a second fixing plate 26, a fixing seat 27, a first hexagon socket bolt 28, a sliding rod 29, a first screw block 30, a slider 31, a moving plate 32, a docking sleeve 33 and a protective sleeve 34 ; A limit plate 36, which is fixedly installed inside the shell 1; a sensor mounting box 37, which is plugged between the upper and lower limit plates 36, and the upper and lower parts of the sensor mounting box 37 are fixedly connected with positioning plates 38; an adjusting member 39, which is installed on the side of the limit plate 36, and the adjusting member 39 includes a mounting seat 40, a second hexagon socket bolt 41, a first bevel gear 42, a second bevel gear 43, a screw 44 and a second screw block 45; a plug-in member 46, which is installed between the shell 1 and the sensor mounting box 37, and the plug-in member 46 includes a fixing sleeve 47, a plug-in shaft 48, a synchronization rod 49 and a connecting sleeve 50.

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, a sealing gasket is bonded to the rear side of the shell cover 2, and the sealing gasket is located between the shell cover 2 and the shell body 1 to prevent the intrusion of dust or water vapor. The first fixing plate 24 is fixedly installed on the side of the shell body 1, and the docking shaft 25 is fixedly connected to the side of the first fixing plate 24.

[0021] like Figure 1 , Figure 2 and Figure 3As shown, the second fixing plate 26 is fixedly mounted on the side of the shell cover 2, the second fixing plate 26 is located on the front side of the first fixing plate 24, the fixing seat 27 is fixedly mounted on the rear side of the second fixing plate 26, the first hexagon socket bolt 28 is connected to the fixing seat 27 through a first bearing, the sliding rod 29 is fixedly mounted on the inner side of the fixing seat 27, the first screw block 30 is screwed on the outer side of the first hexagon socket bolt 28, the sliding block 31 is slidably mounted on the outer side of the sliding rod 29, and the movable plate 32 is fixedly mounted on the outer sides of the sliding block 31 and the first screw block 30. The docking sleeve 33 is fixedly connected to the side of the movable plate 32, and one side of the fixed seat 27 is provided with an opening corresponding to the docking sleeve 33. The docking sleeve 33 passes through the opening and is sleeved on the outer side of the docking shaft 25. The protective sleeve 34 is fixedly connected to the other side of the fixed seat 27. The side of the protective sleeve 34 is provided with an opening corresponding to the first hexagon socket bolt 28, which facilitates the rotation of the first hexagon socket bolt 28. The limit plates 36 are respectively located on the left and right sides of the positioning plate 38.

[0022] like Figure 3 and Figure 6 As shown, the mounting seat 40 is fixedly mounted on the side of the limiting plate 36, the second hexagon socket bolt 41 is connected to the mounting seat 40 through a second bearing, the first bevel gear 42 is fixedly mounted on the end of the second hexagon socket bolt 41, the second bevel gear 43 is meshed with the first bevel gear 42, the second bevel gear 43 is fixedly mounted on the end of the screw rod 44, the screw rod 44 is connected to the mounting seat 40 through a third bearing, and the second screw block 45 is screwed on the outside of the screw rod 44.

[0023] like Figure 3 , Figure 4 and Figure 5 As shown, the fixed sleeve 47 is fixedly installed inside the shell 1, the connecting sleeve 50 is fixedly installed on the side of the sensor mounting box 37, the plug-in shaft 48 is slidably connected with the fixed sleeve 47, and the interior of the fixed sleeve 47 is provided with a sliding groove matching the plug-in shaft 48, which facilitates the sliding of the plug-in shaft 48, and the synchronization rod 49 is fixedly connected between the plug-in shaft 48 and the second screw block 45, and the side of the fixed sleeve 47 is provided with a through hole corresponding to the synchronization rod 49, which facilitates the movement of the synchronization rod 49, and the synchronization rod 49 passes through the through hole, and the interior of the connecting sleeve 50 is provided with a slot corresponding to the plug-in shaft 48, and the end of the plug-in shaft 48 is inserted into the slot.

[0024] During use: through the arrangement of the first connecting block 35, the hinge block 21, the second connecting block 51, the hinge shaft 22 and the locking piece 23, the shell cover 2 is not easily opened due to accidental contact. When the sensor mounting box 37 inside the shell 1 is damaged, first use an inner hexagonal wrench to pass through the opening of the protective cover 34 of the locking piece 23, insert the end of the first inner hexagonal bolt 28 and rotate it, which can drive the first inner hexagonal bolt 28 to rotate, and the first inner hexagonal bolt 28 can drive the first screw block 30, the moving plate 32, the slider 31 and the docking sleeve 33 to move, so that the docking sleeve 33 moves into the fixing seat 27. The shell cover 2 can be opened by inserting the hexagonal wrench into the end of the second hexagonal bolt 41 of the adjusting piece 39 and rotating it, which can drive the second hexagonal bolt 41 to rotate, and the second hexagonal bolt 41 can drive the first bevel gear 42, the second bevel gear 43 and the screw 44 to rotate, and the screw 44 can drive the second screw block 45 and the synchronization rod 49 of the connector 46 to move, and the synchronization rod 49 will drive the end of the plug-in shaft 48 to move out of the slot of the connecting sleeve 50, and then the positioning plate 38 is moved out from between the limiting plates 36, and the damaged sensor mounting box 37 can be replaced.

[0025] It should be noted that the shell 1, shell cover 2, receiving tube 3, alarm indicator light 4, and mounting column 5 in this product are derived from the prior art and can refer to the Chinese utility model patent disclosed in patent application number: 202021881638.8.

[0026] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. Fixed toxic gas detector, characterized by: The invention comprises a shell cover (2), wherein the shell cover (2) is hinged on the front side of a shell body (1), a first connecting block (35) is fixedly connected to the left side of the shell body (1), a hinge block (21) is fixedly installed on the front side of the first connecting block (35), a hinge shaft (22) is fixedly connected to the left side of the shell cover (2) via a second connecting block (51), and the hinge shaft (22) is rotatably connected to the hinge block (21); A locking member (23), the locking member (23) being installed between the shell cover (2) and the shell body (1), the locking member (23) comprising a first fixing plate (24), a docking shaft (25), a second fixing plate (26), a fixing seat (27), a first hexagon socket bolt (28), a sliding rod (29), a first screw block (30), a sliding block (31), a moving plate (32), a docking sleeve (33) and a protective sleeve (34); a limiting plate (36), the limiting plate (36) being fixedly mounted inside the housing (1); A sensor installation box (37), the sensor installation box (37) is inserted between the upper and lower limit plates (36), and the upper and lower parts of the sensor installation box (37) are fixedly connected with positioning plates (38); An adjusting member (39), the adjusting member (39) being mounted on a side surface of the limiting plate (36), the adjusting member (39) comprising a mounting seat (40), a second hexagon socket head bolt (41), a first bevel gear (42), a second bevel gear (43), a screw rod (44) and a second screw connection block (45); A plug connector (46) is installed between the housing (1) and the sensor installation box (37), and the plug connector (46) includes a fixing sleeve (47), a plug shaft (48), a synchronization rod (49) and a connecting sleeve (50).

2. The fixed toxic gas detector according to claim 1 is characterized in that: A sealing gasket is bonded to the rear side of the shell cover (2), and the sealing gasket is located between the shell cover (2) and the shell body (1). The first fixing plate (24) is fixedly mounted on the side of the shell body (1), and the docking shaft (25) is fixedly connected to the side of the first fixing plate (24).

3. The fixed toxic gas detector according to claim 1 is characterized in that: The second fixing plate (26) is fixedly mounted on the side of the shell cover (2), the second fixing plate (26) is located on the front side of the first fixing plate (24), the fixing seat (27) is fixedly mounted on the rear side of the second fixing plate (26), the first hexagon socket bolt (28) is connected to the fixing seat (27) through a first bearing, the sliding rod (29) is fixedly mounted on the inner side of the fixing seat (27), the first screw block (30) is screwed on the outer side of the first hexagon socket bolt (28), the sliding block (31) is slidably mounted on the outer side of the sliding rod (29), and the movable plate (32) is fixedly mounted on the outer sides of the sliding block (31) and the first screw block (30).

4. The fixed toxic gas detector according to claim 1 is characterized in that: The docking sleeve (33) is fixedly connected to the side of the movable plate (32); one side of the fixed seat (27) is provided with an opening corresponding to the docking sleeve (33); the docking sleeve (33) passes through the opening and is sleeved on the outer side of the docking shaft (25); the protective sleeve (34) is fixedly connected to the other side of the fixed seat (27); the side of the protective sleeve (34) is provided with an opening corresponding to the first hexagon socket bolt (28); and the limiting plates (36) are respectively located on the left and right sides of the positioning plate (38).

5. The fixed toxic gas detector according to claim 1 is characterized in that: The mounting seat (40) is fixedly mounted on the side of the limiting plate (36); the second hexagon socket bolt (41) is connected to the mounting seat (40) via a second bearing; the first bevel gear (42) is fixedly mounted on the end of the second hexagon socket bolt (41); the second bevel gear (43) is meshed with the first bevel gear (42); the second bevel gear (43) is fixedly mounted on the end of the screw rod (44); the screw rod (44) is connected to the mounting seat (40) via a third bearing; and the second screw block (45) is screwed on the outer side of the screw rod (44).

6. The fixed toxic gas detector according to claim 1 is characterized in that: The fixing sleeve (47) is fixedly mounted inside the housing (1), the connecting sleeve (50) is fixedly mounted on the side of the sensor mounting box (37), the plug-in shaft (48) is slidably connected to the fixing sleeve (47), the inside of the fixing sleeve (47) is provided with a sliding groove matching the plug-in shaft (48), the synchronization rod (49) is fixedly connected between the plug-in shaft (48) and the second screw block (45), the side of the fixing sleeve (47) is provided with a through hole corresponding to the synchronization rod (49), the synchronization rod (49) passes through the through hole, the inside of the connecting sleeve (50) is provided with a slot corresponding to the plug-in shaft (48), and the end of the plug-in shaft (48) is inserted into the slot.

Images