CN210741583U

CN210741583U - Air mass flow tester

Info

Publication number: CN210741583U
Application number: CN201922054481.5U
Authority: CN
Inventors: 李继峰; 张夏
Original assignee: Dongguan Aotu Automation Technology Co Ltd
Current assignee: Dongguan Aotu Automation Technology Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-06-12
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an air mass flow tester, including flow type leak detector, still include the connecting body, connecting body symmetry fixed connection is in the rear end of flow type leak detector, the connecting body is connected respectively in the outer end of inlet port and the venthole of flow type leak detector, the inlet port link up with the inner space that also gives vent to anger and link up with the inner space of connecting body, the connecting body includes butt joint and butt joint pipe, the front end of butt joint pipe is sealed to be pegged graft at the rear end inner wall of butt joint, the butt joint includes sealing ring, tubular butt joint stake, first magnet, screw ring, card pipe, one-way screw thread and first guide pipe, the front end fixed connection of sealing ring is in the rear end of tubular butt joint stake, tubular butt joint stake front end fixed connection is in the rear end of screw ring, tubular butt joint stake link up with the inner space of screw ring and links up, the tubular docking peg is located inside the first magnet. The utility model discloses made things convenient for the device butt joint, better satisfying the use needs.

Description

Air mass flow tester

Technical Field

The utility model relates to a flow test appearance equipment technical field specifically is an air quality flow test appearance.

Background

The conventional ATC-300 flow type leak detector is mainly used for detecting lost data after flowing of air quality, however, the conventional pipeline butt joint is mainly adopted for combined installation with an external gas injection device, the conventional pipeline butt joint is mainly assembled in a conventional thread butt joint mode, and the disassembly and assembly in the mode need to be completed by screwing a plurality of circles so that a device capable of relieving the problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air mass flow tester to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air mass flow tester comprises a flow type leak detector; the flow type leak detector is characterized by further comprising a connecting main body, wherein the connecting main body is symmetrically and fixedly connected to the rear end of the flow type leak detector, the connecting main body is respectively connected to the outer ends of an air inlet hole and an air outlet hole of the flow type leak detector, and the air inlet hole and the inner space of the air outlet hole are communicated with the inner space of the connecting main body; the connecting body comprises a butt joint and a butt pipe, and the front end of the butt pipe is hermetically inserted into the inner wall of the rear end of the butt joint; the butt joint comprises a sealing ring, a tubular butt joint pile, a first magnet, a threaded ring, a clamping pipe, a one-way thread and a first guide pipe, wherein the front end of the sealing ring is fixedly connected to the rear end of the tubular butt joint pile, the front end of the tubular butt joint pile is fixedly connected to the rear end of the threaded ring, the tubular butt joint pile is communicated with the inner space of the threaded ring, the tubular butt joint pile is positioned on the inner side of the first magnet, the first magnet is fixedly connected to the rear end of the first guide pipe, the front end of the first guide pipe is fixedly connected to the outer wall of the rear end of the threaded ring, the clamping pipe is installed on the outer wall of the threaded ring in a threaded mode, the one-way thread is fixedly connected to the inner wall of the clamping pipe, and the clamping pipe is installed together with the threaded ring in a; the butt joint pipe comprises a second guide pipe and a second magnet, the rear end of the second magnet is fixedly connected to the front end of the second guide pipe, the second guide pipe is connected to the rear end of the tubular butt joint pile in a sealing mode through a sealing ring in a sealing mode, the first magnet and the second magnet are attracted mutually in a magnetic force mode, and the rear wall of the first magnet is supported on the front wall of the second magnet.

Preferably, the butt joint further comprises an expansion joint, and the expansion joint is symmetrically hollowed out on the outer wall of the clamping pipe.

Preferably, the butt joint still includes and revolves the cover, the front end of revolving the cover slides and cup joints the outer wall at the card pipe, the inner wall slip joint that revolves the cover is at the outer wall of card pipe, and revolves and be provided with spacing draw-in groove between cover and the card pipe, first magnet, screw ring and first pipe are located the inboard of revolving the cover, revolve the cover and first magnet, screw ring and first pipe sliding support.

Preferably, the butt joint pipe further comprises a baffle ring, the inner wall of the baffle ring is fixedly connected with the outer wall of the second magnet, and the front wall of the baffle ring is supported on the rear wall of the rotary sleeve.

Preferably, the butt joint pipe further comprises a connecting pipe, the front end of the connecting pipe is fixedly connected to the rear end of the second guide pipe, and the connecting pipe, the second guide pipe and the inner space of the second magnet are connected in a penetrating mode.

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

when the butt joint and the butt joint pipe need to be separated in the using process, the clamping pipe is manually screwed backwards along the outer wall of the threaded ring through the rotary sleeve, the stop ring is pushed backwards through the rotary sleeve, the second magnet is driven to leave the rear wall of the first magnet through the backward movement of the stop ring, so that the distance between the first magnet and the second magnet is increased, the purpose of reducing the magnetic attraction between the first magnet and the first magnet is achieved, and finally the butt joint pipe is manually pulled out through the connecting pipe; when butt joint and butt joint pipe need be assembled again, the manual rear portion of card pipe is retrieved to the cover soon, the card pipe pushes away the front portion of screw ring, the front end outer wall fixed mounting of card pipe has the handle, overlap the outside at tubular butt joint stake with second magnet after that, it both can to push forward the butt joint pipe again, utilize the slip joint relation of cover soon and card pipe to make the cover soon can follow the slip of card pipe outer wall but can not follow the rotation of card pipe outer wall, utilize the cover soon to revolve to twist the in-process cover at the card pipe outer wall, prevent that the card pipe from outwards expanding, thereby make yesterly the card pipe can drive the cover soon and promote the fender ring and remove.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the connection main body structure of the present invention;

FIG. 3 is a schematic view of the butt joint structure of the present invention;

fig. 4 is a schematic view of the butt joint pipe structure of the present invention.

In the figure: 1. a flow-type leak detector; 2. a connecting body; 3. a butt joint; 4. butt-joint pipes; 5. a seal ring; 6. tubular butt-jointed piles; 7. a first magnet; 8. a threaded ring; 9. clamping the pipe; 10. one-way threads; 11. expanding the seam; 12. screwing a sleeve; 13. a first guide pipe; 14. a connecting pipe; 15. a second guide pipe; 16. a baffle ring; 17. a second magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are relative to each other, are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an air mass flow tester comprises a flow type leak detector 1; the flow type leak detector comprises a flow type leak detector 1, and is characterized by further comprising a connecting main body 2, wherein the connecting main body 2 is symmetrically and fixedly connected to the rear end of the flow type leak detector 1, the connecting main body 2 is respectively connected to the outer ends of an air inlet hole and an air outlet hole of the flow type leak detector 1, and the inner space of the air inlet hole and the air outlet hole is communicated with the inner space of the connecting main body 2; the connecting body 2 comprises a butt joint 3 and a butt joint pipe 4, and the front end of the butt joint pipe 4 is hermetically inserted in the inner wall of the rear end of the butt joint 3; the butt joint 3 comprises a sealing ring 5, a tubular butt joint pile 6, a first magnet 7, a threaded ring 8, a clamping pipe 9, a one-way thread 10 and a first guide pipe 13, the front end of the sealing ring 5 is fixedly connected to the rear end of the tubular butt joint pile 6, the front end of the tubular butt joint pile 6 is fixedly connected to the rear end of the threaded ring 8, the tubular butt joint pile 6 is communicated with the inner space of the threaded ring 8, the tubular butt joint pile 6 is located on the inner side of the first magnet 7, the first magnet 7 is fixedly connected to the rear end of the first guide pipe 13, the front end of the first guide pipe 13 is fixedly connected to the outer wall of the rear end of the threaded ring 8, the clamping pipe 9 is installed on the outer wall of the threaded ring 8 in a threaded mode, the one-way thread 10 is fixedly connected to the inner wall of the clamping pipe 9, and the clamping pipe 9 is; the butt joint pipe 4 comprises a second guide pipe 15 and a second magnet 17, the rear end of the second magnet 17 is fixedly connected to the front end of the second guide pipe 15, the second guide pipe 15 is in sealing sleeve connection with the rear end of the tubular butt joint pile 6 through a sealing ring 5, the first magnet 7 and the second magnet 17 are attracted, the rear wall of the first magnet 7 is supported on the front wall of the second magnet 17, in the using process, when the butt joint 3 and the butt joint pipe 4 need to be separated, the clamp pipe 9 is manually screwed backwards along the outer wall of the threaded ring 8 through the rotary sleeve 12, the rotary sleeve 12 is utilized to push the baffle ring 16 backwards, the baffle ring 16 is moved backwards to drive the second magnet 17 to be separated from the rear wall of the first magnet 7, so that the distance between the first magnet 7 and the second magnet 17 is increased, the purpose of reducing the magnetic attraction force between the first magnet 7 and the first magnet 7 is achieved, and finally, the butt joint pipe 4 is manually pulled out through the connecting pipe 14; when butt joint 3 and butt joint pipe 4 need be made up again, manual with the back portion that revolves cover 12 and resume card pipe 9, card pipe 9 pushes away the front portion of screw ring 8, the front end outer wall fixed mounting of card pipe 9 has the handle, overlap second magnet 17 in the outside of tubular butt joint stake 6 afterwards, it had only to push forward butt joint pipe 4 again, utilize the slip joint relation of revolved cover 12 and card pipe 9 to make revolved cover 12 can slide but can not rotate along card pipe 9 outer wall, utilize revolved cover 12 to revolve wrong in-process cover at card pipe 9 outer wall, prevent card pipe 9 outwards inflation, thereby make yesterly card pipe 9 can drive revolved cover 12 and promote fender ring 16 and remove.

Butt joint 3 still includes expansion joint 11, expansion joint 11 symmetry fretwork is seted up at the outer wall of card pipe 9, butt joint 3 still includes rotary sleeve 12, the front end of rotary sleeve 12 slides and is cup jointed at the outer wall of card pipe 9, the inner wall slide joint of rotary sleeve 12 is at the outer wall of card pipe 9, and be provided with spacing draw-in groove between rotary sleeve 12 and the card pipe 9, first magnet 7, threaded ring 8 and first skirt 13 are located the inboard of rotary sleeve 12, rotary sleeve 12 and first magnet 7, threaded ring 8 and first skirt 13 slide support, butt joint pipe 4 still includes fender ring 16, the inner wall of fender ring 16 passes through the outer wall fixed connection of second magnet 17, the antetheca of fender ring 16 supports the back wall at rotary sleeve 12, butt joint pipe 4 still includes connecting pipe 14, the front end fixed connection of connecting pipe 14 is in the rear end of second skirt 15, the connecting pipe 14, the inner space of second skirt 15 and second magnet 17 link up continuously.

The working principle is as follows: in the using process, when the butt joint 3 and the butt joint pipe 4 need to be separated, the clamping pipe 9 is manually screwed backwards along the outer wall of the threaded ring 8 through the rotary sleeve 12, the baffle ring 16 is pushed backwards by utilizing the rotary sleeve 12, the baffle ring 16 moves backwards to drive the second magnet 17 to leave the rear wall of the first magnet 7, so that the distance between the first magnet 7 and the second magnet 17 is increased, the purpose of reducing the magnetic attraction between the first magnet 7 and the first magnet 7 is achieved, and finally, the butt joint pipe 4 is manually pulled out through the connecting pipe 14; when butt joint 3 and butt joint pipe 4 need be made up again, manual with the back portion that revolves cover 12 and resume card pipe 9, card pipe 9 pushes away the front portion of screw ring 8, the front end outer wall fixed mounting of card pipe 9 has the handle, overlap second magnet 17 in the outside of tubular butt joint stake 6 afterwards, it had only to push forward butt joint pipe 4 again, utilize the slip joint relation of revolved cover 12 and card pipe 9 to make revolved cover 12 can slide but can not rotate along card pipe 9 outer wall, utilize revolved cover 12 to revolve wrong in-process cover at card pipe 9 outer wall, prevent card pipe 9 outwards inflation, thereby make yesterly card pipe 9 can drive revolved cover 12 and promote fender ring 16 and remove.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An air mass flow tester, includes flow-type leak detector (1), its characterized in that: the flow type leak detector is characterized by further comprising a connecting main body (2), wherein the connecting main body (2) is symmetrically and fixedly connected to the rear end of the flow type leak detector (1), the connecting main body (2) is respectively connected to the outer ends of an air inlet hole and an air outlet hole of the flow type leak detector (1), and the air inlet hole and the inner space of the air outlet hole are communicated with the inner space of the connecting main body (2); the connecting main body (2) comprises a butt joint (3) and a butt joint pipe (4), and the front end of the butt joint pipe (4) is hermetically inserted into the inner wall of the rear end of the butt joint (3); the butt joint (3) comprises a sealing ring (5), a tubular butt joint pile (6), a first magnet (7), a threaded ring (8), a clamping pipe (9), a one-way thread (10) and a first guide pipe (13), the front end of the sealing ring (5) is fixedly connected to the rear end of the tubular butt joint pile (6), the front end of the tubular butt joint pile (6) is fixedly connected to the rear end of the threaded ring (8), the tubular butt joint pile (6) is communicated with the inner space of the threaded ring (8), the tubular butt joint pile (6) is positioned on the inner side of the first magnet (7), the first magnet (7) is fixedly connected to the rear end of the first guide pipe (13), the front end of the first guide pipe (13) is fixedly connected to the outer wall of the rear end of the threaded ring (8), the clamping pipe (9) is arranged on the outer wall of the threaded ring (8), and the one-way thread (10) is fixedly connected to the inner wall of the clamping pipe (9), the clamping pipe (9) is in threaded installation with the threaded ring (8) through a one-way thread (10); the butt joint pipe (4) comprises a second guide pipe (15) and a second magnet (17), the rear end of the second magnet (17) is fixedly connected to the front end of the second guide pipe (15), the second guide pipe (15) is hermetically sleeved at the rear end of the tubular butt joint pile (6) through a sealing ring (5), the first magnet (7) and the second magnet (17) are attracted by magnetic force, and the rear wall of the first magnet (7) is supported on the front wall of the second magnet (17).

2. An air mass flow tester according to claim 1, wherein: the butt joint (3) further comprises an expansion joint (11), and the expansion joint (11) is symmetrically hollowed out on the outer wall of the clamping pipe (9).

3. An air mass flow tester according to claim 1, wherein: butt joint (3) still including revolving cover (12), the front end of revolving cover (12) slides and cup joints the outer wall at card pipe (9), the inner wall slip joint of revolving cover (12) is at the outer wall of card pipe (9), and revolves and be provided with spacing draw-in groove between cover (12) and card pipe (9), first magnet (7), screw ring (8) and first poling (13) are located the inboard of revolving cover (12), revolve cover (12) and first magnet (7), screw ring (8) and first poling (13) sliding support.

4. An air mass flow tester according to claim 3, wherein: the butt joint pipe (4) further comprises a baffle ring (16), the inner wall of the baffle ring (16) is fixedly connected with the outer wall of the second magnet (17), and the front wall of the baffle ring (16) is supported on the rear wall of the rotary sleeve (12).

5. An air mass flow tester according to claim 1, wherein: the butt joint pipe (4) further comprises a connecting pipe (14), the front end of the connecting pipe (14) is fixedly connected to the rear end of the second guide pipe (15), and the connecting pipe (14), the second guide pipe (15) and the inner space of the second magnet (17) are connected in a penetrating mode.