CN220854317U

CN220854317U - Sampler with adjusting structure

Info

Publication number: CN220854317U
Application number: CN202322410665.7U
Authority: CN
Inventors: 张宪武; 纪文杰; 王胜君
Original assignee: Qingdao Tuowei Intelligent Instrument Co ltd
Current assignee: Qingdao Tuowei Intelligent Instrument Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-26
Anticipated expiration: 2033-09-06

Abstract

The utility model provides a sampler with an adjusting structure. The sampler comprises a base, wherein a roller is fixed at the bottom of the base, a support column is fixed at the top of the base, a lifting mechanism is arranged in the support column, and a sampler main body is fixed at the top of the slide rod. According to the sampler with the adjusting structure, the first gear outside the rotating rod is driven to rotate by the manual rotation rocker to be meshed with the second gear, the rotating rod in the middle of the second gear rotates along with the first gear and drives the third gear sleeved outside the second gear to rotate, the second gear is meshed with the tooth groove on the side wall of the sliding rod when rotating, the sliding rod is stressed to slide upwards in the supporting column and stretch the telescopic rod, the sampler main body at the top of the sliding rod is adjusted according to the height of the needed fluoride, the ratchet sleeved outside the first gear outside the rotating rod is driven to rotate by the rocker to rotate simultaneously, the ratchet can strike the pawl when rotating, and the pawl is forced to swing around the supporting shaft to be embedded into the ratchet groove of the ratchet to limit the ratchet, so that the sampler is stable to use after the height is adjusted.

Description

Sampler with adjusting structure

Technical Field

The utility model relates to the field of samplers, in particular to a sampler with an adjusting structure.

Background

Fluoride, meaning an organic or inorganic compound containing a negative fluorine, which, like other halogens, generates a monoanion (fluoride ion F-), fluorine can form a binary compound with all elements except He, ne and Ar, ranging from the deadly toxin sarin to the pharmaceutical efavirenz, and from poorly soluble calcium fluoride to very reactive sulfur tetrafluoride, all falling into the category of fluoride.

The air sampler is a common instrument for collecting atmospheric environment and workshop site gas, and is widely applicable to the use of units such as atmospheric environment monitoring, epidemic prevention, labor protection, scientific research and the like. Because a large amount of fluoride exists in the air, the fluoride in the air of the fluoride air sampler can be used for collecting so as to know the pollution degree of the environment by harmful gas, and thus, the healthy living environment of people is ensured.

Some samplers existing in the market are a single machine, when the samplers are used for sampling air, workers are required to lift the samplers to sample the air at different heights or areas, and if the air at a higher place is required to be sampled, the samplers are required to be lifted by the workers, so that the samplers are inconvenient to use and inconvenient to move, and the flexibility of use is reduced.

Therefore, it is necessary to provide a sampler with an adjusting structure to solve the above technical problems.

Disclosure of utility model

The utility model provides a sampler with an adjusting structure, which solves the problems that the existing sampler is inconvenient to sample fluoride in a higher place, is inconvenient to use and move and reduces the flexibility of use because workers are required to lift the sampler.

In order to solve the technical problems, the sampler with the adjusting structure provided by the utility model comprises a base, wherein a roller is fixed at the bottom of the base, a pillar is fixed at the top of the base, a handrail is fixed at the end of the pillar, a lifting mechanism is arranged in the pillar and comprises a rotating rod rotationally connected in the pillar, a rocker is fixed at the end of the rotating rod, a first gear is sleeved outside the rotating rod, a second gear is internally meshed with the bottom of the first gear, a rotating rod is fixed in the middle of the second gear, a third gear is fixed outside the rotating rod, a sliding rod is meshed with the end of the third gear, a tooth socket meshed with the third gear is formed at the end of the sliding rod, a telescopic rod is fixed at the bottom of the sliding rod, a ratchet wheel is fixedly sleeved at the outer part of the rotating rod, a pawl is meshed with the end of the ratchet wheel, a handle is fixed at the end of the pawl, a supporting shaft is rotationally connected in the middle of the pawl, a spring piece is fixedly arranged inside the base, a spring piece is fixedly arranged at the end of the fixing shaft, and a sampling spring piece is fixedly arranged at the top of the sliding rod.

Preferably, a brake pad is arranged at the bottom of the roller.

Preferably, the telescopic rod is fixedly connected with the support, and the support is in sliding connection with the sliding rod.

Preferably, the rotating rod is rotatably connected with the support column.

Preferably, the side wall of the support column is provided with a hollow groove which is convenient for the handle to move.

Preferably, the spring piece is attached to the pawl.

Compared with the related art, the sampler with the adjusting structure has the following beneficial effects:

The utility model provides a sampler with an adjusting structure, wherein a rocker is manually rotated to drive a rotating rod to rotate, a first gear outside the rotating rod is rotated along with the rotating rod and meshed with a second gear, a rotating rod in the middle of the second gear is rotated along with the rotating rod and drives a third gear sleeved outside the rotating rod to rotate, and the second gear is meshed with a tooth slot on the side wall of a sliding rod when rotating, so that the sliding rod is stressed to slide upwards in a support column and stretch a telescopic rod, a sampler main body at the top of the sliding rod is adjusted according to the height of fluoride to be collected, the rocker drives a ratchet wheel sleeved outside the first gear outside the rotating rod to rotate simultaneously, the ratchet wheel can strike a pawl when rotating, the pawl stress is embedded into a ratchet groove of the ratchet wheel around a supporting shaft in a downward swinging manner, meanwhile, a spring piece is released to press and resist the pawl in a resetting manner, and the sampler main body is not easy to slide downwards after being driven by the sliding rod to be regulated to a proper height, so that fluoride in different heights in the air can be collected, the sampler can not only collect the fluoride in the air, but also can improve the stability in the use process.

Drawings

FIG. 1 is a schematic diagram of a sampler with an adjusting structure according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the pillar shown in FIG. 1;

fig. 3 is a schematic structural view of the lifting mechanism shown in fig. 2.

Reference numerals in the drawings: 1. base, 2, gyro wheel, 3, pillar, 4, handrail, 5, elevating system, 51, bull stick, 52, rocker, 53, first gear, 54, second gear, 55, dwang, 56, third gear, 57, tooth socket, 58, slide bar, 59, telescopic link, 510, ratchet, 511, pawl, 512, handle, 513, back shaft, 514, fixed axle, 515, spring leaf, 6, sampler main body.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a sampler with an adjusting structure according to the present utility model; FIG. 2 is a schematic view of the structure of the inside of the pillar shown in FIG. 1; fig. 3 is a schematic structural view of the lifting mechanism shown in fig. 2. The sampler with the adjusting structure comprises a base 1, a roller 2 is fixed at the bottom of the base 1, a support column 3 is fixed at the top of the base 1, an armrest 4 is fixed at the end of the support column 3, a lifting mechanism 5 is installed inside the support column 3, the lifting mechanism 5 comprises a rotating rod 51 rotatably connected inside the support column 3, a rocker 52 is fixed at the end of the rotating rod 51, a first gear 53 is sleeved outside the rotating rod 51, a second gear 54 is meshed inside the bottom of the first gear 53, a rotating rod 55 is fixed in the middle of the second gear 54, a third gear 56 is fixed outside the rotating rod 55, a sliding rod 58 is meshed at the end of the third gear 56, a tooth slot 57 meshed with the third gear 56 is formed at the end of the sliding rod 58, a telescopic rod 59 is fixed at the bottom of the sliding rod 58, a ratchet 510 is sleeved outside the rotating rod 51, a pawl 511 is meshed at the end of the ratchet 510, a handle 512 is fixed at the end of the pawl 511, a supporting shaft 513 is rotatably connected in the middle of the pawl 511, a fixing shaft 514 is fixed inside the base 1, a spring leaf 514 is fixed at the end of the fixing shaft 514, and a sampler main body 6 is fixed at the top of the sliding rod 58.

The brake block is installed to the bottom of gyro wheel 2, promotes pillar 3 through handrail 4 and removes through gyro wheel 2, removes the brake block of back press gyro wheel 2 to its brake spacing after suitable position for the sampler is stable in order to use.

The telescopic rod 59 is fixedly connected with the support column 3, the support column 3 is in sliding connection with the slide rod 58, the manual rotation rocker 52 drives the rotary rod 51 to rotate, the first gear 53 outside the rotary rod 51 rotates along with the rotation and is meshed with the second gear 54, the rotary rod 55 in the middle of the second gear 54 rotates along with the rotation and drives the third gear 56 sleeved outside to rotate, and the second gear 54 is meshed with the tooth groove 57 on the side wall of the slide rod 58 when rotating, so that the slide rod 58 is stressed to slide upwards in the support column 3 and stretch the telescopic rod 59, the sampler main body 6 at the top of the slide rod 58 is adjusted according to the required height for collecting fluoride, and the flexibility of use is improved.

The rotation lever 55 is rotatably connected to the stay 3.

The side wall of pillar 3 has offered the empty slot that is convenient for handle 512 activity, the ratchet 510 that its outside cover was established is rotatory simultaneously when rocker 52 drove the outside first gear 53 of bull stick 51 and is rotatory simultaneously, can strike pawl 511 when ratchet 510 is rotatory, pawl 511 atress can be gone on spacing in imbedding ratchet 510's ratchet groove around the swing of back shaft 513 once, spring leaf 515 releases the pressure simultaneously and can reset the laminating and compress tightly it on pawl 511 and keep out for the slide bar 58 drives the difficult gliding of collector main part after adjusting to suitable height, stability in the improvement use.

When the height of the collector body needs to be lowered, the handle 512 is manually pressed to drive the pawl 511 to rotate around the supporting shaft 513, the pawl 511 is separated from the ratchet 510 to release limit, then the reverse rotation rocker 52 drives the first gear 53 outside the rotating rod 51 to rotate, the first gear 53 is meshed with the second gear 54 to rotate, the rotating rod 55 in the middle of the second gear 54 is driven to rotate, the third gear 56 outside the rotating rod 55 is meshed with the tooth grooves 57 of the sliding rod 58 to slide downwards, and therefore the height of the collector body can be collected to be adjusted downwards, and the using effect is improved.

The working principle of the sampler with the adjusting structure provided by the utility model is as follows:

The first step: when the user needs to move the sampler, the handrail 4 pushes the support column 3 to move through the roller 2, and after moving to a proper position, the brake pad of the roller 2 is pressed to brake and limit the sampler, so that the sampler is stable and convenient to use.

And a second step of: the manual rotation rocker 52 drives the rotating rod 51 to rotate, the first gear 53 outside the rotating rod 51 rotates along with the rotation of the first gear and is meshed with the second gear 54, the rotating rod 55 in the middle of the second gear 54 rotates along with the rotation of the third gear 56 sleeved outside the rotating rod, and the second gear 54 is meshed with the tooth grooves 57 on the side wall of the sliding rod 58 when rotating, so that the sliding rod 58 slides upwards in the support column 3 under the force of the sliding rod 58 and stretches the telescopic rod 59, the sampler main body 6 at the top of the sliding rod 58 is adjusted according to the required fluoride collecting height, and the use flexibility is improved.

And a third step of: the rocker 52 drives the ratchet 510 that its outside cover was established simultaneously to the outside first gear 53 of bull stick 51 rotatory, can strike pawl 511 when ratchet 510 rotates, and pawl 511 atress can be round the swing embedding ratchet 510's that back shaft 513 is gone up in the ratchet groove of once is spacing it, and spring leaf 515 releases the pressure and can resets the laminating and compress tightly it on pawl 511 simultaneously and keep out for the slide bar 58 drives the difficult gliding of collector main part after adjusting to suitable height, improves the stability in the use.

Fourth step: when the height of the collector body needs to be lowered, the handle 512 is manually pressed to drive the pawl 511 to rotate around the supporting shaft 513, so that the pawl 511 is separated from the ratchet 510 to release the limit, then the reverse rotation rocker 52 drives the first gear 53 outside the rotating rod 51 to rotate, the first gear 53 and the second gear 54 are meshed to rotate, and then the rotating rod 55 in the middle of the second gear 54 is driven to rotate, so that the third gear 56 outside the rotating rod 55 is meshed with the tooth grooves 57 of the sliding rod 58 to slide downwards, the collector body can be collected to be lowered in height, and the using effect is improved.

The manual rotation rocker 52 drives the rotating rod 51 to rotate, the first gear 53 outside the rotating rod 51 rotates along with the rotation and is meshed with the second gear 54, the rotating rod 55 in the middle of the second gear 54 rotates along with the rotation and drives the third gear 56 sleeved outside to rotate, the second gear 54 is meshed with the tooth grooves 57 on the side wall of the sliding rod 58 when rotating, so that the sliding rod 58 is stressed to slide upwards in the support column 3 and stretch the telescopic rod 59, the sampler main body 6 at the top of the sliding rod 58 is regulated according to the height of the required fluoride, the rocker 52 drives the ratchet 510 sleeved outside the first gear 53 outside the rotating rod 51 to rotate simultaneously, the ratchet 510 can collide with the pawl 511 when rotating, the pawl 511 is stressed to swing around the supporting shaft 513 for limiting the ratchet 510, and meanwhile, the spring piece 515 is in reset to press and resist the pawl 511 when released from pressure, so that the sampler can not slide downwards after the sliding rod 58 drives the sampler main body to be regulated to a proper height, the fluoride in the air can be collected, the quality can be improved, and the stability in the use process can be improved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. Sampler with adjusting structure, including base (1), its characterized in that: the bottom of base (1) is fixed with gyro wheel (2), the top of base (1) is fixed with pillar (3), the tip of pillar (3) is fixed with handrail (4), the internally mounted of pillar (3) has elevating system (5), elevating system (5) are including rotating bull stick (51) of connecting inside pillar (3), the tip of bull stick (51) is fixed with rocker (52), the outside cover of bull stick (51) is equipped with first gear (53), the bottom internal meshing of first gear (53) has second gear (54), the centre of second gear (54) is fixed with dwang (55), the outside of dwang (55) is fixed with third gear (56), the tip meshing of third gear (56) has slide bar (58), the tip of slide bar (58) has seted up tooth's socket (57) with third gear (56) meshing, the bottom of slide bar (58) is fixed with telescopic link (59), the outside fixed cover of bull stick (51) is equipped with ratchet (510), the centre of ratchet (511) is fixed with pawl (511), pawl (511) is connected with intermediate shaft (511), the inside of base (1) is fixed with fixed axle (514), the tip of fixed axle (514) is fixed with spring leaf (515), the top of slide bar (58) is fixed with sample thief main part (6).

2. A sampler with an adjusting structure according to claim 1, characterized in that the bottom of the roller (2) is provided with a brake pad.

3. A sampler with an adjusting structure according to claim 1, characterized in that the telescopic rod (59) is fixedly connected with the support (3), and the support (3) is slidingly connected with the slide rod (58).

4. A sampler with an adjusting mechanism according to claim 1, characterized in that the rotating lever (55) is rotatably connected to the support (3).

5. A sampler with an adjusting structure according to claim 1, characterized in that the side wall of the pillar (3) is provided with a hollow groove facilitating the movement of the handle (512).

6. The sampler with an adjusting structure according to claim 1, wherein the spring plate (515) is attached to the pawl (511).