Dust particle concentration detection device

Abstract

The utility model discloses a dust particle concentration detection device, and belongs to the technical field of dust particle concentration detection. Comprising a base shell, a lower containing groove is formed in the base shell, a buffer bottom plate is movably connected into the lower containing groove through a plurality of connecting threaded rods, a plurality of limiting plates are arranged on the buffer bottom plate in the circumferential direction at intervals, a concentration detector body is arranged on the buffer bottom plate, an upper base cover is movably arranged on the base shell, and a wiping cloth groove is formed in the top face of the upper base cover; a wiping cloth assembly is movably arranged in the wiping cloth groove, an upper containing groove matched with the lower containing groove is formed in the bottom face of the upper base cover, a plurality of abutting rods are arranged in the upper containing groove, and an upper display screen window groove is formed in the side wall of an opening of the lower containing groove. A lower display screen window groove corresponding to the upper display screen window groove in position is formed in the opening side wall of the upper containing groove. The concentration detector has the advantages that the concentration detector body can be effectively protected, displayed data can be conveniently observed when the concentration detector is used, and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust particle concentration detection technical field, concretely relates to a dust particle concentration detection device. BACKGROUND

[0002] In order to reduce the harm of construction site dust, some protective measures need to be taken, such as: using water spraying equipment to reduce dust in the construction site; Covering the exposed land to reduce soil dust; Workers wear dust masks and other personal protective equipment; Regularly observe the air quality around the construction site, find problems in time and take corresponding measures. However, the existing dust particle concentration detector lacks protection mechanism outside, is easy to be damaged by external impact; At the same time, when used for a long time, dust is easy to accumulate on the display screen, which affects the observation of dust particle concentration detection display data on the display screen, thereby reducing the use effect of the whole device. SUMMARY

[0003] In view of the above technical deficiencies, the utility model aims at providing a dust particle concentration detection device, which has the advantages of effectively protecting the concentration detector body and facilitating observation of displayed data during use.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a dust particle concentration detection device, which comprises a base shell, a lower containing groove is arranged on the base shell, a buffer bottom plate is movably connected in the lower containing groove through a plurality of connecting threaded rods, a plurality of limiting plates are arranged on the buffer bottom plate at intervals in the circumferential direction, a concentration detector body is arranged on the buffer bottom plate, and the plurality of limiting plates abut against the outer circumferential wall of the concentration detector body, an upper seat cover is movably arranged on the base shell, a wiping cloth groove is arranged on the top surface of the upper seat cover, a wiping cloth assembly is movably arranged in the wiping cloth groove, an upper containing groove matched with the lower containing groove is arranged on the bottom surface of the upper seat cover, a plurality of abutting rods are arranged in the upper containing groove, and the abutting rods abut against the top surface of the concentration detector body, an upper display screen window groove is arranged on the opening side wall of the lower containing groove, and a lower display screen window groove corresponding to the position of the upper display screen window groove is arranged on the opening side wall of the upper containing groove.

[0005] Preferably, the buffer bottom plate comprises a buffer rectangular frame, four connecting threaded rods are arranged, one connecting threaded rod is movably penetrated through each corner of the buffer rectangular frame, and the connecting threaded rods are screw-connected to the inner bottom surface of the lower containing groove, a plurality of reinforcing rods are arranged in parallel and at intervals in the buffer rectangular frame, and the buffer rectangular frame and the reinforcing rods are in the same horizontal plane, so that the connecting threaded rods are used to connect the buffer rectangular frame in the lower containing groove.

[0006] Preferably, four limiting plates are provided, and the four limiting plates are respectively located at the four corners of the buffer rectangle. The limiting plates are all L-shaped structures, and the L-shaped openings of the limiting plates face the inward direction of the buffer rectangle. The L-shaped openings of the limiting plates abut against the outer peripheral wall of the concentration detector body, which facilitates fixing the concentration detector body through the limiting plates.

[0007] Preferably, the wiping cloth assembly includes a rotating shaft horizontally rotatably disposed within the wiping cloth groove. A wiping cloth is wound circumferentially around the outside of the rotating shaft. Multiple perforated lines are provided on the wiping cloth along its length. A groove cover is hinged to the opening of the wiping cloth groove via a rotating shaft with a torsion spring. The rotating shaft with the torsion spring is located at one end close to the rotating shaft. A cloth outlet groove is provided at the end of the groove cover away from the rotating shaft with the torsion spring. The end of the wiping cloth away from the rotating shaft extends into the cloth outlet groove, making it convenient to tear off the wiping cloth as needed to wipe the display screen of the concentration detector body, thereby facilitating the observation of the data displayed on the display screen of the concentration detector body.

[0008] Preferably, a protective cover is movably provided inside the cloth outlet groove to protect the wiping cloth and prevent it from being contaminated by the outside world.

[0009] Preferably, multiple connecting bolts are evenly distributed along the circumference of the upper cover, and the connecting bolts movably pass through the threaded connection between the upper cover and the base shell, which facilitates the disassembly and installation between the upper cover and the base shell.

[0010] Preferably, a rubber sealing strip is provided on the opening of the lower receiving groove or the opening of the upper receiving groove. When the upper cover and the base shell are connected by connecting bolts, it helps to improve the sealing between the bottom surface of the upper cover and the top surface of the base shell.

[0011] The beneficial effects of this utility model are as follows: 1. By placing the dust particle concentration detector body between the buffer plate inside the upper cover and the base shell, the dust particle concentration detector body can be effectively protected and the impact force directly on the dust particle concentration detector body from the outside can be buffered.

[0012] 2. The included wiping cloth assembly facilitates wiping the display screen of the concentration detector using the wiping cloth in the assembly. This makes operation convenient and allows for easy observation of the data displayed on the concentration detector's screen. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 A structure schematic view of the dust particle concentration detection device is provided in the embodiment of the utility model.

[0015] Figure 2 An explosion view of the dust particle concentration detection device is provided in the embodiment of the utility model.

[0016] Figure 3 An upper containing groove position schematic view of the dust particle concentration detection device is provided in the embodiment of the utility model.

[0017] Figure 4 A structure schematic view of the concentration detector body of the dust particle concentration detection device when installed in the base shell is provided in the embodiment of the utility model.

[0018] Figure 5 A buffer bottom plate position schematic view of the dust particle concentration detection device is provided in the embodiment of the utility model.

[0019] Figure 6 A buffer bottom plate structure schematic view of the dust particle concentration detection device is provided in the embodiment of the utility model.

[0020] The figure mark explanation: 1, base shell, 11, lower containing groove, 111, upper display screen window groove, 12, connecting threaded rod, 2, buffer bottom plate, 21, buffer rectangular frame, 22, reinforcing rod, 3, limiting plate, 4, concentration detector body, 5, upper seat cover, 51, wiping cloth groove, 52, upper containing groove, 521, lower display screen window groove, 53, abutting rod, 6, wiping cloth assembly, 61, rotating shaft, 62, wiping cloth, 63, rotating shaft with torsional spring, 64, groove cover, 65, cloth outlet groove, 651, protective cover, 7, connecting bolt. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one

[0023] As Figures 1 to 5The utility model provides a dust particle concentration detection device, including base shell 1, be provided with the lower containing groove 11 on base shell 1, the lower containing groove 11 is swingly connected with the buffer bottom plate 2 through a plurality of connecting screw rod 12 in, the buffer bottom plate 2 is provided with a plurality of limit boards 3 along the circumferential interval, the buffer bottom plate 2 is provided with concentration detector body 4, and a plurality of limit boards 3 and the outer peripheral wall of concentration detector body 4 are in contact, the upper seat cover 5 is swingly arranged on base shell 1, the top surface of upper seat cover 5 is provided with wiping cloth groove 51, wiping cloth assembly 6 is swingly arranged in wiping cloth groove 51, the bottom surface of upper seat cover 5 is provided with the upper containing groove 52 of being compatible with the lower containing groove 11, a plurality of contact rods 53 are provided in the upper containing groove 52, and the top surface of concentration detector body 4 is in contact between contact rod 53, the opening side wall of lower containing groove 11 is provided with upper display screen window groove 111, and the opening side wall of upper containing groove 52 is provided with lower display screen window groove 521 corresponding to the position of upper display screen window groove 111.

[0024] When using, concentration detector body 4 is placed in the lower containing groove 11 in base shell 1 (first use connecting screw rod 12 to connect buffer bottom plate 2 in the lower containing groove 11, then concentration detector body 4 is placed on buffer bottom plate 2, and concentration detector body 4 is arranged between a plurality of limit boards 3);Again, the upper seat cover 5 is installed on the top of concentration detector body 4, at this time, the bottom surface of upper seat cover 5 and the top surface of base shell 1 are in contact (contact rod 53 and the top surface of concentration detector body 4 are in contact, contact rod 53 can be made of elastic material, which is conducive to improving the stability of concentration detector body 4 after installation, and also will not damage concentration detector body 4), at the same time, the upper display screen window groove 111 on the opening side wall of lower containing groove 11 and the lower display screen window groove 521 on the opening side wall of upper containing groove 52 are in harmony, that is, the display screen on concentration detector body 4 is located at the position of upper display screen window groove 111 and lower display screen window groove 521, so that the data displayed on the display screen of concentration detector body 4 can be observed.

[0025] The setting of wiping cloth assembly 6 is convenient for wiping the display screen of concentration detector body 4, so that the data displayed on the display screen of concentration detector body 4 can be observed.

[0026] A plurality of connecting bolts 7 are uniformly distributed on the upper seat cover 5 along the circumference, the connecting bolt 7 is swingly threaded through the upper seat cover 5 and the base shell 1, when the bottom surface of upper seat cover 5 and the top surface of base shell 1 are in contact, the connecting bolt 7 is threaded through the upper seat cover 5 and the base shell 1, so that the upper seat cover 5 and the base shell 1 are connected tightly, and the upper seat cover 5 and the base shell 1 can be easily disassembled.

[0027] The opening of the lower accommodating groove 11 or the opening of the upper accommodating groove 52 is provided with a rubber sealing strip, which is beneficial to improve the sealing between the bottom surface of the upper seat cover 5 and the top surface of the bottom seat shell 1 after the upper seat cover 5 is connected with the bottom seat shell 1 through the connecting bolt 7.

[0028] Embodiment two

[0029] On the basis of embodiment one, as shown in Figures 1 to 2 、 Figures 5 to 6 The buffering rectangular frame 21 is provided with four connecting threaded rods 12, and each of the four corners of the buffering rectangular frame 21 is movably penetrated by one connecting threaded rod 12, and the connecting threaded rod 12 is threadedly connected to the inner bottom surface of the lower accommodating groove 11. A plurality of reinforcing rods 22 are arranged in parallel and at intervals in the buffering rectangular frame 21, and the buffering rectangular frame 21 and the reinforcing rods 22 are in the same horizontal plane. The limiting plate 3 is provided with four limiting plates 3, and the four limiting plates 3 are respectively arranged at the positions of the four corners of the buffering rectangular frame 21. The limiting plate 3 is in L-shaped structure, and the L-shaped opening of the limiting plate 3 faces the inside of the buffering rectangular frame 21, and the L-shaped opening of the limiting plate 3 abuts against the outer peripheral wall of the concentration detector body 4.

[0030] The four connecting threaded rods 12 are respectively penetrated through the four corners of the buffering rectangular frame 21, and are connected to the inner bottom surface of the bottom seat shell 1, so that the buffering rectangular frame 21 is connected to the bottom surface in the lower accommodating groove 11 (at this time, the buffering rectangular frame 21 and the bottom surface in the lower accommodating groove 11 are arranged in parallel and at intervals), which can prevent the external force from directly acting on the concentration detector body 4 when the external force hits the bottom surface of the bottom seat shell 1, and is convenient for protecting the concentration detector body 4. At the same time, when water enters the inside of the bottom seat shell 1, the accumulated water can be accumulated in the bottom seat shell 1, and the concentration detector body 4 will not be affected.

[0031] The positions of the four limiting plates 3 can be set according to the shape and size of the installed concentration detector body 4, so as to clamp the concentration detector body 4 between the four limiting plates 3 (that is, the L-shaped opening of the limiting plate 3 faces the inside of the concentration detector body 4, and when the concentration detector body 4 is in rectangular structure, the four vertical edges of the concentration detector body 4 can be respectively located in the L-shaped opening of the four limiting plates 3, so as to facilitate the fixation of the concentration detector body 4).

[0032] The arrangement of the reinforcing rod 22 is beneficial to improve the firmness of the buffering rectangular frame 21.

[0033] Embodiment three

[0034] On the basis of embodiment one, as shown in Figures 1 to 2As shown, the wiping cloth assembly 6 comprises a rotating shaft 61 horizontally rotatably arranged in the wiping cloth groove 51, the outer portion of the rotating shaft 61 is wound with a wiping cloth 62 in the circumferential direction, the wiping cloth 62 is provided with a plurality of perforation lines in the length direction, the opening of the wiping cloth groove 51 is hingedly provided with a groove cover 64 through a torsion spring rotating shaft 63, and the torsion spring rotating shaft 63 is located at one end close to the rotating shaft 61, the groove cover 64 is provided with a cloth outlet groove 65 at the end away from the torsion spring rotating shaft 63, and the end of the wiping cloth 62 away from the rotating shaft 61 penetrates into the cloth outlet groove 65; the cloth outlet groove 65 is movably provided with a protective cover 651.

[0035] When it is necessary to wipe the display screen of the concentration detector body 4, the protective cover 651 in the cloth outlet groove 65 can be removed (the protective cover 651 is convenient for protecting the wiping cloth 62 from being polluted by the outside world); then a wiping cloth 62 of a corresponding length is pulled out to the outside of the cloth outlet groove 65 (at this time, the rotating shaft 61 rotates synchronously, which is convenient for the wiping cloth 62 to the outside of the cloth outlet groove 65), and the pulled-out wiping cloth 62 is torn along the corresponding perforation line, so that the wiping cloth 62 can be used to wipe the display screen of the concentration detector body 4, thereby facilitating the observation of the data displayed on the display screen of the concentration detector body 4; at the same time, the setting of the groove cover 64 can protect the wiping cloth 62 placed in the wiping cloth groove 51 from being polluted by the outside world.

[0036] The two ends of the rotating shaft 61 in the length direction are detachably arranged in the wiping cloth groove 51, so that after the wiping cloth 62 on the wiping cloth 62 is used, the groove cover 64 can be opened for replacement.

[0037] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A dust particle concentration detecting device characterized by comprising: The utility model provides a concentration detector, including base shell (1), be provided with lower containing groove (11) on base shell (1), and the inside through a plurality of connecting screw rod (12) swing connection has the buffer bottom plate (2) in lower containing groove (11), be provided with a plurality of limiting plate (3) on buffer bottom plate (2) along the circumferential interval, be provided with concentration detector body (4) on buffer bottom plate (2), and a plurality of limiting plate (3) with the outer wall of concentration detector body (4) are in contact, swingly be provided with upper seat cover (5) on base shell (1), be provided with wiping cloth groove (51) on the top surface of upper seat cover (5), swingly be provided with wiping cloth subassembly (6) in wiping cloth groove (51), be provided with the upper containing groove (52) of adaptation with lower containing groove (11) on the bottom surface of upper seat cover (5), be provided with a plurality of contact rod (53) in upper containing groove (52), and the top surface between concentration detector body (4) and contact rod (53) is in contact, be provided with upper display screen window groove (111) on the opening side wall of lower containing groove (11), be provided with lower display screen window groove (521) with the position corresponding with upper display screen window groove (111) on the opening side wall of upper containing groove (52).

2. A dust particle concentration detecting device according to claim 1, wherein Buffer bottom plate (2) includes buffer rectangle frame (21), is provided with four connecting screw rod (12), swingly penetrates one connecting screw rod (12) in the four corners of buffer rectangle frame (21), and connecting screw rod (12) is screw connected on the inner bottom of lower containing groove (11), a plurality of reinforcing rods (22) are provided in parallel in buffer rectangle frame (21), and buffer rectangle frame (21) and reinforcing rod (22) are on the same horizontal plane.

3. A dust concentration detecting device according to claim 2, wherein Limiting plate (3) is provided with four, and four limiting plate (3) are arranged at the position of the four corners of buffer rectangle frame (21) respectively, limiting plate (3) are all L-shaped structure, and the L-shaped opening of limiting plate (3) all faces the inside direction of buffer rectangle frame (21), and the L-shaped opening of limiting plate (3) is in contact with the outer wall of concentration detector body (4).

4. The dust concentration detecting device according to claim 1, wherein Wiping cloth subassembly (6) includes the rotating shaft (61) of horizontal rotation setting in wiping cloth groove (51), and the outside of rotating shaft (61) is wound with wiping cloth (62) along the circumferential direction, a plurality of punching lines are provided on wiping cloth (62) along the length direction, and the opening of wiping cloth groove (51) is hinged with groove cover (64) through the rotating shaft (63) of spring, and the rotating shaft (63) of spring is located at one end close to rotating shaft (61), and the one end of groove cover (64) away from the rotating shaft (63) of spring is provided with cloth outlet groove (65), and the one end of wiping cloth (62) away from rotating shaft (61) penetrates to cloth outlet groove (65) inside.

5. A dust concentration detecting device as claimed in claim 4, characterized in that Cloth outlet groove (65) swingly sets up protective cover (651) inside.

6. The dust concentration detecting device according to claim 1, wherein Upper seat cover (5) is uniformly distributed with a plurality of connecting bolts (7) along the circumferential direction, and connecting bolt (7) swingly penetrates and is screw connected between upper seat cover (5) and base shell (1).

7. The dust concentration detecting device according to claim 1, wherein The opening of lower containing groove (11) or the opening of upper containing groove (52) is provided with rubber sealing strip.

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