Pretreatment device of dust sampler

Abstract

The utility model discloses a dust sampler pretreatment device, which comprises a dust sampler main body, the front side of the dust sampler main body is fixedly connected with a sampling head, the front side of the dust sampler main body is provided with a cleaning unit, the cleaning unit comprises a mounting plate, the mounting plate is arranged on the front side of the dust sampler main body, and the cleaning unit is arranged on the mounting plate. A sliding groove is formed in the front side of the mounting plate, a sliding block is slidably connected to the inner side of the sliding groove, a gear ring is fixedly connected to the front side of the sliding block, a mounting block is fixedly connected to the front side of the gear ring, a mounting sleeve is arranged on the outer side of the mounting block, and a fixing block is fixedly connected to the front side of the mounting sleeve. By arranging a mounting plate, a gear ring, a mounting block, a mounting sleeve, a fixed block, a movable block, a movable plate and sponge pads, the sponge pads on the upper and lower sides can be conveniently controlled to rotate on the outer side of the sampling head, so that the inner and outer walls of the sampling head are quickly cleaned, the workload of workers is reduced, and the cleaning comprehensiveness is ensured.

Description

Technical Field

[0001] The utility model relates to the field of dust samplers, in particular to a dust sampler pretreatment device. Background Art

[0002] A dust sampler is a portable device used to collect dust samples in dusty air. The main function of this device is to measure the dust concentration in the air, which is not only crucial for safe production management.

[0003] When using a dust sampler, it is necessary to absorb external air through a sampling head. Before absorption, since there is dust remaining on the inside of the sampling head, the dust needs to be cleaned by the staff with cloth. If the cleaning effect is poor, it is easy to miss the dusty position of the sampling head, affecting the accuracy of air detection. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art in which the manual cleaning effect of the sampling head in the dust sampler is poor, one of the purposes of the utility model is to provide a dust sampler pretreatment device.

[0005] One of the purposes of the utility model is achieved by the following technical solution: a dust sampler pretreatment device, comprising a dust sampler body: a sampling head is fixedly connected to the front side of the dust sampler body, and a cleaning unit is arranged on the front side of the dust sampler body;

[0006] The cleaning unit includes a mounting plate, which is arranged on the front side of the dust sampler body, a sliding groove is provided on the front side of the mounting plate, a sliding block is slidably connected to the inner side of the sliding groove, a gear ring is fixedly connected to the front side of the sliding block, a mounting block is fixedly connected to the front side of the gear ring, a mounting sleeve is provided on the outer side of the mounting block, a fixed block is fixedly connected to the front side of the mounting sleeve, a movable groove is provided on the front side of the fixed block, the inner sides of the upper and lower ends of the movable groove are both slidably connected to movable blocks, the rear sides of the movable blocks on the upper and lower sides are fixedly connected to movable plates, a sponge pad is fixedly connected to the side of the movable plate close to the sampling head, and a bidirectional screw is rotatably connected to the inner side of the movable groove.

[0007] According to the dust sampler pretreatment device, the upper and lower ends of the bidirectional screw are provided with opposite threads, and the upper and lower ends of the bidirectional screw are respectively threadedly connected to the upper and lower moving blocks, so as to facilitate the control of the upper and lower moving blocks to move toward each other.

[0008] According to the dust sampler pretreatment device, the upper end of the bidirectional screw is fixedly connected with a turntable, so as to facilitate the control of the rotation of the bidirectional screw.

[0009] According to the dust sampler pretreatment device, the front side of the mounting plate is fixedly connected to a fixing frame, the outer side of the fixing frame is fixedly connected to a motor, and the output end of the motor is fixedly connected to a gear.

[0010] According to the dust sampler pretreatment device, the gear is meshed and connected with the gear ring, which facilitates the control of the rotation of the gear ring.

[0011] According to the dust sampler pretreatment device, the sponge pad is slidably connected to the sampling head.

[0012] According to the dust sampler pretreatment device, bolts are provided between the mounting sleeve and the mounting block, so as to facilitate the removal of the mounting sleeve.

[0013] Beneficial effects:

[0014] By providing a mounting plate, a gear ring, a mounting block, a mounting sleeve, a fixed block, a moving block, a moving plate and a sponge pad, it is easy to control the sponge pads on the upper and lower sides to rotate outside the sampling head, so that the inner and outer walls of the sampling head can be quickly cleaned, reducing the workload of the staff and ensuring comprehensive cleaning.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is an overall three-dimensional structural diagram of a dust sampler pretreatment device of the utility model;

[0018] Figure 2 This is a sectional three-dimensional structural diagram of a dust sampler pretreatment device of the utility model;

[0019] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0020] Figure 4 This is a three-dimensional structural diagram of a dust sampler pretreatment device of the utility model from another perspective;

[0021] Figure 5 for Figure 4 Enlarged view of point B in the middle.

[0022] Legend:

[0023] 1. Dust sampler body; 2. Sampling head; 3. Cleaning unit; 301. Mounting plate; 302. Slide groove; 303. Sliding block; 304. Gear ring; 305. Mounting block; 306. Mounting sleeve; 307. Fixed block; 308. Moving groove; 309. Moving block; 310. Bidirectional screw; 311. Turntable; 312. Moving plate; 313. Sponge pad; 314. Fixed bracket; 315. Motor; 316. Gear. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-4 A dust sampler pretreatment device includes a dust sampler body 1: a sampling head 2 is fixedly connected to the front side of the dust sampler body 1, and a cleaning unit 3 is arranged on the front side of the dust sampler body 1, and the cleaning unit 3 is used to clean the inner and outer walls of the sampling head 2.

[0026] The cleaning unit 3 includes a mounting plate 301, which is arranged at the front side of the dust sampler body 1. A slide groove 302 is provided at the front side of the mounting plate 301. A slider 303 is slidably connected to the inner side of the slide groove 302. A gear ring 304 is fixedly connected to the front side of the slider 303. A mounting block 305 is fixedly connected to the front side of the gear ring 304. A mounting sleeve 306 is provided at the outer side of the mounting block 305. A fixed block 307 is fixedly connected to the front side of the mounting sleeve 306. A movable groove 308 is provided at the front side of the fixed block 307. The inner sides of the upper and lower ends of the moving groove 308 are slidably connected with moving blocks 309, and the rear sides of the moving blocks 309 on the upper and lower sides are fixedly connected with moving plates 312. The side of the moving plate 312 close to the sampling head 2 is fixedly connected with a sponge pad 313. The inner side of the moving groove 308 is rotatably connected with a bidirectional screw 310, and the sponge pad 313 is slidably connected with the sampling head 2. The upper and lower ends of the bidirectional screw 310 are provided with opposite threads. The upper and lower ends of the bidirectional screw 310 are respectively threadedly connected with the moving blocks 309 on the upper and lower sides. The upper end of the screw 310 is fixedly connected to a turntable 311, the front side of the mounting plate 301 is fixedly connected to a fixing frame 314, the outer side of the fixing frame 314 is fixedly connected to a motor 315, the output end of the motor 315 is fixedly connected to a gear 316, the gear 316 is meshed with the gear ring 304, when in use, the turntable 311 is rotated, the turntable 311 drives the bidirectional screw 310 to rotate, the bidirectional screw 310 drives the upper and lower moving blocks 309 to approach each other, the moving blocks 309 drive the moving plate 312 to move, and the moving The plate 312 drives the sponge pad 313 to contact the sampling head 2, and then the motor 315 is started, the motor 315 drives the gear 316 to rotate, the gear 316 drives the gear ring 304 to rotate, the gear ring 304 drives the mounting block 305 to rotate, the mounting block 305 drives the fixed block 307 on the mounting sleeve 306 to rotate, so that the fixed block 307 drives the sponge pads 313 on the upper and lower sides to rotate, so that the sponge pads 313 on the upper and lower sides can quickly clean the inner and outer walls of the sampling head 2, thereby reducing the workload of the staff.

[0027] Bolts are provided between the mounting sleeve 306 and the mounting block 305 , so as to facilitate the removal of the mounting sleeve 306 and the removal of the fixing block 307 , thereby facilitating the replacement of the sponge pad 313 .

[0028] Working principle: When in use, the staff first rotates the turntable 311 to drive the bidirectional screw 310 to rotate, and the bidirectional screw 310 drives the upper and lower sponge pads 313 to approach the sampling head 2, and starts the motor 315. The motor 315 drives the gear 316 to rotate, the gear 316 drives the gear ring 304 to rotate, and the gear ring 304 drives the sponge pad 313 to rotate, which is convenient for quickly cleaning the inner and outer walls of the sampling head 2 at the same time, and the operation is simple.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A dust sampler pretreatment device, characterized in that: It comprises a dust sampler body (1): a sampling head (2) is fixedly connected to the front side of the dust sampler body (1), and a cleaning unit (3) is arranged on the front side of the dust sampler body (1); The cleaning unit (3) comprises a mounting plate (301), wherein the mounting plate (301) is arranged on the front side of the dust sampler body (1), a slide groove (302) is provided on the front side of the mounting plate (301), a slider (303) is slidably connected to the inner side of the slide groove (302), a gear ring (304) is fixedly connected to the front side of the slider (303), a mounting block (305) is fixedly connected to the front side of the gear ring (304), a mounting sleeve (306) is provided on the outer side of the mounting block (305), and the mounting A fixed block (307) is fixedly connected to the front side of the sleeve (306), a movable groove (308) is provided on the front side of the fixed block (307), movable blocks (309) are slidably connected to the inner sides of the upper and lower ends of the movable groove (308), movable plates (312) are fixedly connected to the rear sides of the movable blocks (309) on the upper and lower sides, a sponge pad (313) is fixedly connected to the side of the movable plate (312) close to the sampling head (2), and a bidirectional screw (310) is rotatably connected to the inner side of the movable groove (308).

2. A dust sampler pretreatment device according to claim 1, characterized in that: The upper and lower ends of the bidirectional screw (310) are provided with opposite threads, and the upper and lower ends of the bidirectional screw (310) are respectively threadedly connected to the upper and lower moving blocks (309).

3. A dust sampler pretreatment device according to claim 1, characterized in that: The upper end of the bidirectional screw (310) is fixedly connected to a rotating disk (311).

4. A dust sampler pretreatment device according to claim 1, characterized in that: A fixing frame (314) is fixedly connected to the front side of the mounting plate (301), a motor (315) is fixedly connected to the outer side of the fixing frame (314), and a gear (316) is fixedly connected to the output end of the motor (315).

5. A dust sampler pretreatment device according to claim 4, characterized in that: The gear (316) is meshingly connected with the gear ring (304).

6. A dust sampler pretreatment device according to claim 1, characterized in that: The sponge pad (313) is slidably connected to the sampling head (2).

7. A dust sampler pretreatment device according to claim 1, characterized in that: Bolts are arranged between the mounting sleeve (306) and the mounting block (305).

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