CN213333118U

CN213333118U - Portable gas, dust, smoke and dust sampling instrument calibration device

Info

Publication number: CN213333118U
Application number: CN202022251368.9U
Authority: CN
Inventors: 李金政
Original assignee: Yunnan Fangyuan Metrology Calibration Testing Service Co ltd
Current assignee: Yunnan Fangyuan Metrology Calibration Testing Service Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-01
Anticipated expiration: 2030-10-12

Abstract

The utility model provides a portable gaseous, dust, smoke and dust sampling appearance calibration equipment, including the calibration equipment main part, the rear end face of calibration equipment main part shell body installs push-and-pull device through adjusting part, push-and-pull device includes drive assembly and cylinder axle, fixed box is installed in drive assembly's the outside, just roll connection has linear bearing on the outer wall of cylinder axle, fixed mounting has a telescopic cylinder on linear bearing's the outer wall, the push-and-pull handle is installed on telescopic cylinder's top, fixed cylinder is installed in telescopic cylinder's the outside, just four apex angle departments of calibration equipment main part shell body bottom all are connected with the walking wheel through lifting unit, carry the handle of pulling is installed to one side of calibration equipment main part shell body. The utility model discloses a push-and-pull handle's altitude mixture control is applicable to the people of different heights and uses, promotes push-and-pull handle, through walking wheel realizing device's removal, has reached the purpose of conveniently carrying, and low in labor strength, laborsaving.

Description

Portable gas, dust, smoke and dust sampling instrument calibration device

Technical Field

The utility model relates to a technical field of check-up equipment specifically is a portable gas, dust, smoke and dust sampling instrument calibration equipment.

Background

Among the prior art, use gas, dust, smoke and dust sampling appearance calibration equipment to carry out the flow calibration of environmental protection sampling appearance such as gas, dust, smoke and dust, but the most structure of current gas, dust, smoke and dust sampling appearance calibration equipment is complicated, and volume and weight are all great, inconvenient carrying.

According to patent document application number 201921419815.8, a portable dust sampling appearance calibration equipment is provided, including the dust sampler, the bottom fixed mounting of dust sampler has linking sleeve, the bottom of dust sampler is equipped with the fixed disk, the axle center department fixed mounting on fixed disk top has threaded connection pole, threaded connection pole's one end links up with linking telescopic internal thread, although the support frame can articulate in the bottom of dust sampler, the back fixed mounting's of dust sampler braces of deuterogamying, reach dust sampler portable's purpose, but the volume of calibration equipment is great, it is harder when carrying, and the calibration equipment is heavier, lead to intensity of labour big.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a portable gas, dust, smoke and dust sampling appearance calibration equipment for solve the technical problem who provides among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a portable gaseous, dust, smoke and dust sampling appearance calibration equipment, includes the calibration equipment main part, the rear end face of calibration equipment main part shell body installs push-and-pull device through adjusting part, push-and-pull device includes drive assembly and cylinder axle, fixed box is installed in drive assembly's the outside, just roll connection has linear bearing on the outer wall of cylinder axle, fixed mounting has a telescopic cylinder on linear bearing's the outer wall, the push-and-pull handle is installed on telescopic cylinder's top, fixed cylinder is installed in telescopic cylinder's the outside, fixed cylinder's bottom links to each other with fixed box's top, just four apex angle departments of calibration equipment main part shell body bottom all are connected with the walking wheel through elevating assembly, carry the handle with push-and-pull device adjacent one side on the calibration equipment main part shell body.

Preferably, drive assembly includes gear wheel and pinion, the gear wheel is connected with the pinion toothing, the center department of gear wheel alternates and is connected with the dwang, the top of dwang is run through fixed box and is extended to its outside and install the crank, the bottom of dwang is connected with the interior bottom plate of fixed box through ball bearing and rotation.

Preferably, the bottom end of the cylindrical shaft penetrates through the pinion and extends to the inner bottom plate of the fixed box to be in rotating connection through the ball bearing, and the top end of the cylindrical shaft is provided with the limiting block.

Preferably, the adjusting assembly comprises a U-shaped seat, one side of the U-shaped seat is fixedly connected with the outer shell of the checking device main body, the inner side of the U-shaped seat is connected with an adjusting rod through an adjusting bolt, and the top end of the adjusting rod is fixedly connected with the bottom of the fixing box.

Preferably, every the lifting component all includes threaded sleeve, threaded sleeve's one side is passed through the connecting rod and is linked to each other with the shell body of calibration equipment main part, threaded sleeve's inboard is connected with the threaded rod through thread engagement, the bottom of threaded rod links to each other with the top of walking wheel, just the swing handle is installed on the top of threaded rod.

Preferably, one side of each lifting assembly is provided with a shock absorption supporting leg, each shock absorption supporting leg comprises an i-shaped supporting frame, the top of the i-shaped supporting frame is fixedly connected with the bottom of the checking device main body, a shock absorption spring is sleeved on the outer wall of a central vertical rod of the i-shaped supporting frame, the upper end and the lower end of the i-shaped supporting frame are respectively provided with a first shock absorption pad and a second shock absorption pad, and the bottom of the second shock absorption pad is provided with a plurality of anti-skid pads in parallel.

Preferably, the rear end face of the outer shell of the main body of the calibration device is provided with a supporting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model realizes the height adjustment of the push-pull handle through the driving component, the cylindrical shaft, the linear bearing and the telescopic cylinder, is suitable for people with different heights to use, pushes the push-pull handle, realizes the movement of the device through the walking wheel, achieves the purpose of convenient carrying, and has low labor intensity and labor saving; the angle adjustment of the push-pull device is realized through the adjusting bolt, the U-shaped seat and the adjusting rod, people can conveniently use the push-pull handle to move the calibration device, and when the push-pull device is not used, the push-pull device is adjusted to the horizontal direction through the adjusting rod, so that the occupied space can be reduced; the height adjustment of the travelling wheel is realized through the threaded sleeve and the threaded rod, and the calibration device is convenient to move or stabilize; the damping spring, the first damping pad and the second damping pad are arranged to realize damping, the calibration device can be effectively prevented from being damaged in the moving process, the calibration device can be stably supported through the I-shaped support frame, and the stability is high.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the push-pull device and adjustment assembly of the present invention;

FIG. 3 is a sectional view of the shock-absorbing support leg structure of the present invention;

fig. 4 is an enlarged view of region a in fig. 1.

In the figure: 1. a calibration device main body; 11. lifting the handle; 12. a supporting seat; 2. a push-pull device; 21. a drive assembly; 211. a bull gear; 212. a pinion gear; 213. rotating the rod; 214. a hand crank; 22. a fixing box; 23. a cylindrical shaft; 24. a linear bearing; 241. a limiting block; 25. a fixed cylinder; 26. a telescopic cylinder; 27. a push-pull handle; 3. a lifting assembly; 31. a threaded sleeve; 32. a threaded rod; 33. turning a handle; 34. a connecting rod; 4. a traveling wheel; 5. damping supporting legs; 51. an I-shaped support frame; 52. a damping spring; 53. a second cushion pad; 531. a non-slip mat; 54. a first cushion pad; 6. an adjustment assembly; 61. a U-shaped seat; 62. adjusting the bolt; 63. and adjusting the rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, referring to fig. 1 and 2, a portable gas, dust and smoke sampler calibration device includes a calibration device main body 1, a push-pull device 2 is installed on a rear end face of an outer shell of the calibration device main body 1 through an adjusting assembly 6, the push-pull device 2 includes a driving assembly 21 and a cylindrical shaft 23, a fixed box 22 is installed on an outer side of the driving assembly 21, a linear bearing 24 is connected to an outer wall of the cylindrical shaft 23 in a rolling manner, a telescopic cylinder 26 is fixedly installed on an outer wall of the linear bearing 24, a push-pull handle 27 is installed at a top end of the telescopic cylinder 26, a fixed cylinder 25 is installed on an outer side of the telescopic cylinder 26, a bottom end of the fixed cylinder 25 is connected to a top of the fixed box 22, four top corners of the outer shell bottom of the calibration device main body 1 are connected to traveling wheels 4 through lifting assemblies 3, a lifting handle 11 is installed on one side of the outer shell of the calibration device main body 1, the driving assembly 21 comprises a large gear 211 and a small gear 212, the large gear 211 is meshed with the small gear 212, the large gear 211 and the small gear 212 are adopted to enable the shaking of the crank 214 to be more labor-saving, the center of the large gear 211 is connected with a rotating rod 213 in a penetrating manner, the top end of the rotating rod 213 penetrates through the fixing box 22 and extends to the outer side of the fixing box to be provided with the crank 214, the bottom end of the rotating rod 213 is rotatably connected with the inner bottom plate of the fixing box 22 through a ball bearing, the crank 214 is shaken, the rotating rod 213 is driven by the crank 214 to drive the large gear 211 to be meshed with the small gear 212 for transmission, the cylindrical shaft 23 drives the linear bearing 24 to do linear reciprocating motion, and then the telescopic cylinder 26 is driven to lift, so that the height of the push-pull handle 27 is adjusted, the device is suitable for people with, the device can be carried by directly lifting the handle 11 by the aid of the lifting handle, the device is convenient to carry, the bottom end of the cylindrical shaft 23 penetrates through the inner bottom plate of the pinion 212 extending to the fixed box 22 and is connected in a rotating mode through the ball bearing, the top end of the cylindrical shaft 23 is provided with the limiting block 241, and the limiting of the linear bearing 24 is achieved through the limiting block 241.

In an embodiment, referring to fig. 2 and 4, the adjusting assembly 6 includes a U-shaped seat 61, one side of the U-shaped seat 61 is fixedly connected to the outer casing of the checking device main body 1, the inner side of the U-shaped seat 61 is connected to an adjusting rod 63 through an adjusting bolt 62, the top end of the adjusting rod 63 is fixedly connected to the bottom of the fixing box 22, the adjusting bolt 62 is loosened to rotate the adjusting rod 63 inside the U-shaped seat 61, the angle of the push-pull device 2 is adjusted through the adjusting rod 63, people can conveniently use the push-pull handle 27 to move the checking device, when the push-pull device 2 is not used, the push-pull device 2 is adjusted to the horizontal direction through the adjusting rod 63, so that the occupied space is reduced, a supporting seat 12 is installed on the rear end surface of the outer casing of the checking device main body 1, and.

In an embodiment, please refer to fig. 1 and 3, each lifting component 3 includes a threaded sleeve 31, one side of the threaded sleeve 31 is connected with the outer shell of the checking device main body 1 through a connecting rod 34, the inner wall of the threaded sleeve 31 is provided with an internal thread, and is engaged with a threaded rod 32, the inner side of the threaded sleeve 31 is connected with the threaded rod 32 through the thread engagement, the bottom end of the threaded rod 32 is connected with the top end of the walking wheel 4, a rotating handle 33 is installed on the top end of the threaded rod 32, the rotating handle 33 is rotated, the threaded rod 32 is driven to drive the walking wheel 4 to go up and down through the rotating handle 33, the height adjustment of the walking wheel 4 is realized, and the checking.

In an embodiment, referring to fig. 3 and 4, a shock-absorbing support foot 5 is installed on one side of each of the lifting assemblies 3, each of the shock-absorbing support feet 5 includes a drum-shaped support frame 51, the top of the drum-shaped support frame 51 is fixedly connected with the bottom of the checking device body 1, a shock-absorbing spring 52 is sleeved on the outer wall of the central vertical rod of the drum-shaped support frame 51, a first shock-absorbing pad 54 and a second shock-absorbing pad 53 are respectively installed at the upper and lower ends of the drum-shaped support frame 51, a plurality of anti-slip pads 531 are arranged at the bottom of the second shock-absorbing pad 53 side by side, shock absorption is achieved through the arranged shock-absorbing spring 52, the first shock-absorbing pad 54 and the second shock-absorbing pad 53, during moving, damage of internal parts due to vibration of the checking device is prevented, the checking device is stably supported by the drum-shaped support, the stability is improved.

The utility model discloses a concrete operation as follows:

firstly, the rotating handle 33 is rotated, the threaded rod 32 is driven to drive the traveling wheels 4 to lift through the rotating handle 33, the traveling wheels 4 are in contact with the ground, then the adjusting bolts 62 are loosened, the adjusting rods 63 are rotated on the inner sides of the U-shaped seats 61, the push-pull device 2 is adjusted to a proper angle through the adjusting rods 63, people can conveniently use the push-pull handle 27 to move the checking device, then the hand crank 214 is shaken, the rotating rods 213 are driven to drive the large gears 211 to be meshed with the small gears 212 for transmission through the hand crank 214, the cylindrical shaft 23 drives the linear bearings 24 to do linear reciprocating motion, the telescopic cylinders 26 are driven to lift, the height adjustment of the push-pull handle 27 is realized, the push-pull handle 27 is pushed, the device is moved through the traveling wheels 4, the carrying is convenient.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. A portable gas, dust and smoke dust sampling instrument calibration device comprises a calibration device main body (1) and is characterized in that a push-pull device (2) is installed on the rear end face of the outer shell of the calibration device main body (1) through an adjusting assembly (6), the push-pull device (2) comprises a driving assembly (21) and a cylindrical shaft (23), a fixing box (22) is installed on the outer side of the driving assembly (21), a linear bearing (24) is connected to the outer wall of the cylindrical shaft (23) in a rolling mode, a telescopic cylinder (26) is fixedly installed on the outer wall of the linear bearing (24), a push-pull handle (27) is installed at the top end of the telescopic cylinder (26), a fixing cylinder (25) is installed on the outer side of the telescopic cylinder (26), the bottom end of the fixing cylinder (25) is connected with the top of the fixing box (22), and four top corners of the bottom of the outer shell of the calibration device main body (1) are connected with traveling wheels (4), and a lifting handle (11) is arranged on one side of the outer shell of the checking device main body (1) adjacent to the push-pull device (2).

2. The portable gas, dust, smoke dust sampling instrument calibration device of claim 1, characterized in that, drive assembly (21) includes gear wheel (211) and pinion (212), gear wheel (211) is connected with pinion (212) meshing, the center department interlude of gear wheel (211) is connected with dwang (213), the top of dwang (213) is run through fixed box (22) and is extended to its outside and install crank (214), the bottom of dwang (213) is the rotation through the interior bottom plate of ball bearing with fixed box (22) and is connected.

3. The portable gas, dust and smoke sampler calibration device of claim 2, wherein the bottom end of the cylindrical shaft (23) penetrates through the pinion (212) and extends to the inner bottom plate of the fixed box (22) to be rotatably connected through a ball bearing, and the top end of the cylindrical shaft (23) is provided with a limiting block (241).

4. The portable gas, dust and smoke sampler calibration device of claim 1, wherein the adjusting assembly (6) comprises a U-shaped seat (61), one side of the U-shaped seat (61) is fixedly connected with the outer shell of the calibration device main body (1), the inner side of the U-shaped seat (61) is connected with an adjusting rod (63) through an adjusting bolt (62), and the top end of the adjusting rod (63) is fixedly connected with the bottom of the fixed box (22).

5. The portable gas, dust and smoke sampler calibration device of claim 1, wherein each lifting assembly (3) comprises a threaded sleeve (31), one side of the threaded sleeve (31) is connected with the outer shell of the calibration device body (1) through a connecting rod (34), the inner side of the threaded sleeve (31) is connected with a threaded rod (32) through threaded engagement, the bottom end of the threaded rod (32) is connected with the top end of the travelling wheel (4), and the top end of the threaded rod (32) is provided with a rotating handle (33).

6. The portable gas, dust and smoke sampler calibration device according to claim 1, wherein a shock absorption support foot (5) is installed on one side of each lifting assembly (3), each shock absorption support foot (5) comprises an I-shaped support frame (51), the top of each I-shaped support frame (51) is fixedly connected with the bottom of the calibration device body (1), a shock absorption spring (52) is sleeved on the outer wall of a central vertical rod of each I-shaped support frame (51), a first shock absorption pad (54) and a second shock absorption pad (53) are installed at the upper end and the lower end of each I-shaped support frame (51), and a plurality of anti-skid pads (531) are arranged at the bottoms of the second shock absorption pads (53) side by side.

7. The portable gas, dust and smoke sampler calibration device of claim 1, wherein the rear end face of the outer shell of the calibration device body (1) is provided with a support seat (12).