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CN-224201416-U - Rotatable air sampling head

CN224201416UCN 224201416 UCN224201416 UCN 224201416UCN-224201416-U

Abstract

The utility model discloses a rotatable air sampling head, and relates to the technical field of measurement. The utility model provides a rotatable air sampling head, including installation base and sliding seat, be provided with stop device on the sliding seat, stop device includes the air and synthesizes the sample thief, sampling head and mounting panel, the mounting block groove has been seted up to the lower surface of mounting panel, the last fixed surface of air synthesizes the sample thief is connected with the installation piece, the outer wall of installation piece and the inside sliding connection in installation block groove, drive the second reset spring shrink when upwards moving the fixed fixture block of drive through pulling second pull rod in the stop device, then make its other end outer wall break away from the contact with the inside in fixed fixture block groove through fixed fixture block upwards moving, then drive first reset spring shrink when pulling first pull rod reverse movement drive stopper reverse movement, dismantle the air like this and synthesize the sample thief simple swiftly, the effectual maintenance and the maintenance efficiency that improves the air synthesizes the sample thief.

Inventors

  • WANG RAN
  • WU QIONG
  • PENG LIYING
  • HUANG YANHUA
  • LIU BO

Assignees

  • 山东环发检验检测有限公司

Dates

Publication Date
20260505
Application Date
20250620

Claims (6)

  1. 1. The rotatable air sampling head comprises a mounting base (1) and a sliding seat (12), and is characterized in that a limiting device is arranged on the sliding seat (12); The limiting device comprises an air comprehensive sampler (5), a sampling head (6) and a mounting plate (9), wherein a mounting block groove (22) is formed in the lower surface of the mounting plate (9), a mounting block (20) is fixedly connected to the upper surface of the air comprehensive sampler (5), the outer wall of the mounting block (20) is in sliding connection with the inside of the mounting block groove (22), first limiting block grooves (19) are formed in the inner walls of the two sides of the mounting block groove (22), limiting blocks (18) are respectively and slidably connected in the two first limiting block grooves (19), and second limiting block grooves (21) are formed in the outer walls of the two sides of the mounting block (20); Wherein, the equal sliding connection of both sides lug outer wall of mounting panel (9) has first pull rod (4), the equal sliding connection of two lug outer walls of mounting panel (9) upper surface has second pull rod (8), the inside equal sliding connection of two lugs of mounting panel (9) upper surface has fixed fixture block (11), first reset spring (7) have all been cup jointed to the outer wall of two first pull rods (4), fixed fixture block groove (16) have all been seted up to the upper surface of two stopper (18), second reset spring (17) have all been cup jointed to the outer wall of two second pull rods (8), sampling head (6) are in the one end outer wall installation of air comprehensive sampler (5), the one end of mounting panel (9) is through the outer wall connection of bolt and sliding seat (12).
  2. 2. The rotatable air sampling head according to claim 1, wherein the interiors of the two first limiting block grooves (19) are correspondingly communicated with the interiors of the convex blocks on two sides of the mounting plate (9), and one ends of the two limiting blocks (18) close to the second limiting block grooves (21) are respectively extended to the interiors of the mounting block grooves (22) in a sliding manner and respectively contacted with the inner walls of the corresponding second limiting block grooves (21); The four T-shaped block outer walls on the installation block (20) are correspondingly and slidably connected with the four T-shaped groove interiors in the installation block groove (22), and one ends of the two first pull rods (4) close to the limiting blocks (18) are slidably extended to the interiors of the first limiting block grooves (19) and are fixedly connected with one ends of the corresponding limiting blocks (18) respectively.
  3. 3. The rotatable air sampling head according to claim 1, wherein the interiors of the two first limiting block grooves (19) are correspondingly communicated with the interiors of the two convex blocks on the upper surface of the mounting plate (9), one ends of the two second pull rods (8) close to the fixed clamping blocks (11) are respectively and slidably extended to the interiors of the convex blocks on the upper surface of the mounting plate (9) and are respectively and fixedly connected with one ends of the corresponding fixed clamping blocks (11), and two ends of the two first restoring springs (7) are respectively and fixedly connected with one ends of the corresponding limiting blocks (18) and the inner walls of the convex blocks on two sides of the mounting plate (9); Wherein, the one end that two fixed fixture blocks (11) are close to fixed fixture block groove (16) all slides and extends to the inside of first stopper groove (19) and respectively with the inner wall contact of corresponding fixed fixture block groove (16), the both ends of two second reset springs (17) respectively with the one end of corresponding fixed fixture block (11) and mounting panel (9) upper surface lug inner wall fixed connection.
  4. 4. The rotatable air sampling head according to claim 1, wherein the upper surface of the mounting base (1) is provided with a groove, a rotary gear seat (2) is arranged in the groove, and a support column (13) is fixedly connected to the upper surface of the rotary gear seat (2); wherein, the support column (13) is hollow, and a second motor (14) is arranged in the groove on the upper surface of the installation base (1).
  5. 5. The rotatable air sampling head according to claim 4, wherein the output end of the second motor (14) is fixedly connected with a rotary gear (3), and teeth on the outer wall of the rotary gear (3) are meshed with teeth on the lower end of the rotary gear seat (2); The inside rotation of the rotary gear (3) is connected with a threaded rod (15), and the sliding seat (12) is sleeved outside the supporting column (13).
  6. 6. The rotatable air sampling head according to claim 4, wherein the upper surface of the support column (13) is fixedly connected with a first motor (10), and the output end of the first motor (10) extends into the support column (13) in a rotating manner and is fixedly connected with one end of a threaded rod (15); The sliding seat (12) is in threaded connection with the outer wall of the threaded rod (15), and the outer walls of conical blocks on the inner walls of the two sides of the sliding seat (12) are correspondingly in sliding connection with the inner parts of conical grooves formed in the two sides of the supporting column (13).

Description

Rotatable air sampling head Technical Field The utility model relates to the technical field of measurement, in particular to a rotatable air sampling head. Background The sampling head in the air integrated sampler is a key component for collecting air samples, the following is detailed information about the sampling head of the air integrated sampler, the sampling head is a part of the air integrated sampler and is mainly used for capturing particulate matters and gaseous pollutants in air, and the design and material selection of the sampling head directly influence the sampling effect and the precision. The air comprehensive sampler comprises a sampling port, a filter membrane and a connecting part, wherein air at the sampling port enters an inlet of a sampling head, the air comprehensive sampler is generally designed to reduce air flow disturbance, ensure sampling accuracy and the filter membrane is used for capturing particulate matters in the air. The selection of the filter membrane depends on the size and type of the particles to be measured, and the connecting part connects the sampling head with the sampling tube or other equipment, so that the air tightness and the stability are ensured. When the existing air comprehensive sampler is used, ambient air is sucked into the sampler through the negative pressure generated by the air suction pump through the sampling head, when the air passes through the sampling head, particulate matters and gaseous pollutants are trapped by the filter membrane or other materials so as to facilitate subsequent analysis, but when the air comprehensive sampler is used for a long time and needs to be maintained and overhauled, a worker is required to disassemble the air comprehensive sampler by means of special tools and cooperation of multiple people, so that the operation is complicated and difficult, and the maintenance and overhauling efficiency of the air comprehensive sampler is reduced, and the workload of the worker is increased. Disclosure of utility model The utility model aims to at least solve one of the technical problems in the prior art, and provides a rotatable air sampling head, which can solve the problems that when an air comprehensive sampler is used for a long time and needs to be maintained and overhauled, a worker is required to disassemble the air comprehensive sampler by means of a special tool and cooperation of multiple people, so that the operation is complicated and difficult, and the workload of the worker is increased while the maintenance and overhauling efficiency of the air comprehensive sampler is reduced. In order to achieve the aim, the utility model provides the technical scheme that the rotatable air sampling head comprises a mounting base and a sliding base, wherein a limiting device is arranged on the sliding base; The limiting device comprises an air comprehensive sampler, a sampling head and a mounting plate, wherein a mounting block groove is formed in the lower surface of the mounting plate, a mounting block is fixedly connected to the upper surface of the air comprehensive sampler, the outer wall of the mounting block is in sliding connection with the inner part of the mounting block groove, first limiting block grooves are formed in the inner walls of the two sides of the mounting block groove, limiting blocks are in sliding connection with the inner parts of the two first limiting block grooves, and second limiting block grooves are formed in the outer walls of the two sides of the mounting block; Wherein, the equal sliding connection of both sides lug outer wall of mounting panel has first pull rod, the equal sliding connection of two lug outer walls of mounting panel upper surface has the second pull rod, the inside equal sliding connection of two lugs of mounting panel upper surface has fixed fixture block, first reset spring has all been cup jointed to the outer wall of two first pull rods, fixed fixture block groove has all been seted up to the upper surface of two stoppers, second reset spring has all been cup jointed to the outer wall of two second pull rods, the sampling head is at the one end outer wall installation of air integrated sampler, the one end of mounting panel passes through the outer wall connection of bolt and sliding seat. Preferably, the interiors of the two first limiting block grooves are correspondingly communicated with the interiors of the convex blocks at two sides of the mounting plate, and one ends of the two limiting blocks close to the second limiting block grooves are respectively extended to the interiors of the mounting block grooves in a sliding manner and respectively contacted with the inner walls of the corresponding second limiting block grooves; The four T-shaped block outer walls on the mounting block are correspondingly and slidably connected with the four T-shaped grooves in the mounting block groove, and one ends of the two first pull rods, which are close to the limiting blo