CN214197707U

CN214197707U - Rapid disassembly and assembly structure of canister

Info

Publication number: CN214197707U
Application number: CN202022795568.0U
Authority: CN
Inventors: 陈庆; 雷木根
Original assignee: Qingyuan Guangsheng Civil Defense Engineering Co ltd
Current assignee: Qingyuan Guangsheng Civil Defense Engineering Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-14
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a civil air defense equipment technical field, in particular to canister quick assembly disassembly structure. The device comprises a canister, a connecting pipe which is arranged on the end face of the canister and is communicated with the interior of the canister, and a ventilation pipe of which the end face can be embedded in the connecting pipe; the outer peripheral surfaces of the connecting pipe and the ventilating pipe are both provided with sliding groove structures; a locking sleeve which can move along the chute structure is sleeved on the periphery of the connecting pipe; the inner side wall of the locking sleeve can be clamped and embedded in the sliding groove structure, so that the connecting pipe is fixedly connected with the ventilating pipe. Realize inlaying the locating piece card of the inside wall of locking cover in the spout structure through removing rotatory locking cover, and then restriction connecting pipe and ventilation pipe relative movement, realize being connected connecting pipe and ventilation pipe fastening, can realize quick installation and dismantle the canister through the locking cover, realize quick assembly disassembly's purpose, improve the efficiency of on-the-spot change canister.

Description

Rapid disassembly and assembly structure of canister

Technical Field

The utility model relates to a civil air defense equipment technical field, in particular to canister quick assembly disassembly structure.

Background

The canister is a filtering device arranged in an air inlet system in civil air defense engineering, and can reduce the contamination concentration of outdoor contaminated air to below an allowable concentration by virtue of filtering and absorbing functions of materials such as filter paper, active carbon and the like which are arranged in the canister, so as to provide fresh air for indoor personnel under the condition of outdoor contamination. The canister is used as important equipment for ventilation and filtration of civil air defense basements in wartime, and because the filtration dosage has a certain threshold value, when the filtration dosage reaches the filtration limit threshold value, the filter element of the canister needs to be detached and replaced, or the whole canister needs to be replaced.

The canister among the prior art adopts the mode of screw group with being connected of ventilation pipe mostly, because of the screw is more, the time overlength of installation dismantlement when changing the canister leads to changing inefficiency to change time overlength increases can influence staff's personal safety.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an invention aim at provides a rapid disassembly and assembly structure of canister, adopts the utility model provides a technical scheme has solved the problem of the time overlength of installation dismantlement when changing the canister.

In order to solve the technical problem, the utility model provides a rapid disassembly and assembly structure of a canister, which comprises a canister, a connecting pipe arranged on the end surface of the canister and communicated with the interior of the canister, and a ventilation pipe with the end surface capable of being embedded in the connecting pipe; the outer peripheral surfaces of the connecting pipe and the ventilating pipe are both provided with sliding groove structures; a locking sleeve which can move along the chute structure is sleeved on the periphery of the connecting pipe; the inner side wall of the locking sleeve can be clamped and embedded in the sliding groove structure, so that the connecting pipe is fixedly connected with the ventilating pipe.

Preferably, a first sliding groove in a T shape is formed on the outer peripheral surface of the connecting pipe, and a second sliding groove in an L shape is formed on the outer peripheral surface of the ventilation pipe; the first sliding groove and the second sliding groove form the sliding groove structure; the inner side wall of the locking sleeve is provided with a positioning block which can move in the first sliding groove and the second sliding groove respectively, and the locking sleeve can rotate to enable the positioning block to be clamped in the sliding groove structure.

Preferably, through holes are formed in two sides of the outer peripheral surface of the locking sleeve, and positioning holes matched with the through holes are formed in the outer side walls of the connecting pipe and the ventilation pipe respectively.

Preferably, a sunken groove is formed on the end surface of the connecting pipe, and a boss embedded with the sunken groove is formed on the end surface of the ventilating pipe.

Preferably, a sealing gasket is arranged in the sinking groove of the connecting pipe.

Preferably, the other end of the vent pipe opposite to the boss is formed with a fixing flange.

From the above, use the utility model provides a can obtain following beneficial effect: the toxin filtering tank is communicated with an external ventilation pipeline through the sealing connection of the ventilation pipeline and the connecting pipe. All be formed with the spout structure on the outer peripheral face of connecting pipe and ventilation pipe, the periphery cover of connecting pipe is equipped with the locking cover that can follow spout structure activity, realize inlaying the locating piece card of the inside wall of locking cover in the spout structure through removing rotatory locking cover, and then restriction connecting pipe and ventilation pipe relative movement, the realization is connected connecting pipe and ventilation pipe fastening, can realize quick installation and dismantlement canister through the locking cover, realize quick assembly disassembly's purpose, the efficiency of on-the-spot change canister is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.

FIG. 1 is a schematic view of a rapid mounting/dismounting structure of a canister according to an embodiment of the present invention;

FIG. 2 is a sectional view of the canister with a quick-release structure according to the embodiment of the present invention;

fig. 3 is a schematic view of a connecting pipe structure according to an embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the above technical problem, this embodiment provides a canister quick assembly disassembly structure, as shown in fig. 1, including canister 10, install in canister 10 terminal surface and with the inside connecting pipe 11 that communicates of canister 10, and the terminal surface can imbed the ventilation pipe 30 in connecting pipe 11, ventilation pipe 30 is used for linking to each other with the ventilation passageway, connecting pipe 11 is installed in the both ends face of canister 10, realize canister 10 and outside intercommunication, through the tip with ventilation pipe 30 embedding the tip of connecting pipe 11, realize canister 10 and outside ventilation pipe intercommunication through the sealing connection of ventilation pipe 30 and connecting pipe 11. All be formed with the spout structure on the outer peripheral face of connecting pipe 11 and ventilation pipe 30, the periphery cover of connecting pipe 11 is equipped with the locking cover 20 that can follow the activity of spout structure, through rotatory locking cover 20, the realization inlays the inboard wall card of locking cover 20 in the spout structure, and then restriction connecting pipe 11 and ventilation pipe 30 relative movement, the realization is connected connecting pipe 11 and ventilation pipe 30 fastening, can realize installing fast and dismantle canister 10 through locking cover 20, improve the efficiency of on-the-spot change.

Specifically, as shown in fig. 2 to 3, in order to limit the relative movement between the connecting pipe 11 and the ventilation pipe 30, a T-shaped first sliding chute 12 is formed on the outer circumferential surface of the connecting pipe 11, an L-shaped second sliding chute 31 is formed on the outer circumferential surface of the ventilation pipe 30, the first sliding chute 12 and the second sliding chute 31 form a sliding chute structure, the diverging tracks of the T-shaped first sliding chute 12 and the L-shaped second sliding chute 31 face the same direction, and the first sliding chute 12 and the second sliding chute 31 are respectively and symmetrically arranged on the outer circumferential side walls of the connecting pipe 11 and the ventilation pipe 30 along the central axis.

Further, the first sliding groove 12 and the second sliding groove 31 are respectively formed with a straight line section and a bifurcation section, the inner side wall of the locking sleeve 20 is provided with positioning blocks 21 which can respectively move in the first sliding groove 12 and the second sliding groove 31, the inner side walls of the two ends of the locking sleeve 20 are respectively provided with two positioning blocks 21 which are positioned at the upper side and the lower side, the positioning blocks 21 of the locking sleeve 20 slide on the straight line sections of the first sliding groove 12 and the second sliding groove 31, when the end surfaces of the connecting pipe 11 and the ventilation pipe 30 are tightly connected, the positioning blocks 21 of the two ends of the locking sleeve 20 respectively move to the bifurcation ports of the first sliding groove 12 and the second sliding groove 31, by rotating the locking sleeve 20, the positioning blocks 21 of the two ends of the locking sleeve 20 respectively slide into the bifurcation sections of the first sliding groove 12 and the second sliding groove 31, so as to limit the axial movement of the connecting pipe 11 and the ventilation pipe 30, and realize the purpose of stable connection of the connecting pipe 11 and the ventilation pipe 30, realize quick assembly disassembly.

Further, after the locking sleeve 20 is rotated in place to enable the connecting pipe 11 and the ventilation pipe 30 to be stably connected, in order to fix the locking sleeve 20, through holes 22 are formed in two sides of the outer peripheral surface of the locking sleeve 20, and positioning holes 13 respectively matched with the through holes 22 are formed in the outer side walls of the connecting pipe 11 and the ventilation pipe 30. Can be through inserting the locating pin respectively in the through-hole 22 of locking cover 20, and then on the locating hole 13 of the lateral wall that the locating pin inserted connecting pipe 11 and ventilation pipe 30, realize restricting the rotary motion of locking cover 20, reach the purpose of locking connecting pipe 11 and ventilation pipe 30, realize quick assembly disassembly, improve the replacement efficiency.

Still can, be formed with the screw thread in locating hole 13, through inserting the bolt in the through-hole 22 of locking cover 20, realize the rotary motion who limits locking cover 20 through bolt fixed connection, the bolt quantity significantly reduces, and structural connection is firm, realizes quick assembly disassembly, improves and changes efficiency.

In order to realize the stable connection between the connection pipe 11 and the ventilation pipe 30, a sunken groove 14 is formed on the end surface of the connection pipe 11, and a boss 32 embedded in the sunken groove 14 is formed on the end surface of the ventilation pipe 30. The boss 32 of the vent pipe 30 is embedded in the sinking groove 14 on the end face of the connecting pipe 11, so that the vent pipe 30 is tightly attached to the end face of the connecting pipe 11.

Further, in order to achieve a sealed connection between ventilation pipe 30 and connection pipe 11, a gasket 15 is installed in sink 14 of connection pipe 11. After the vent pipe 30 is tightly attached to the end face of the connecting pipe 11 through the locking sleeve 20, the end face of the boss 32 of the vent pipe 30 is extruded on the sealing gasket 15 in the sink 14 of the connecting pipe 11, the internal sealing purpose is realized through the elastic deformation of the sealing gasket 15, and the whole connecting structure of the canister 10 is ensured not to leak.

The other end of the vent pipe 30, which is opposite to the boss 32, is provided with a fixed flange 33, and the vent pipe can be fixedly connected with a vent channel through the fixed flange 33, so that the canister 10 can be detached and replaced by only unlocking the locking sleeve 20 when the canister is changed every time, and the purpose of quick detachment and installation is realized.

To sum up, the utility model discloses the scheme realizes canister and outside air pipe intercommunication through the sealing connection of ventilation pipe and connecting pipe. All be formed with the spout structure on the outer peripheral face of connecting pipe and ventilation pipe, the periphery cover of connecting pipe is equipped with the locking cover that can follow spout structure activity, realize inlaying the locating piece card of the inside wall of locking cover in the spout structure through removing rotatory locking cover, and then restriction connecting pipe and ventilation pipe relative movement, the realization is connected connecting pipe and ventilation pipe fastening, can realize quick installation and dismantlement canister through the locking cover, realize quick assembly disassembly's purpose, the efficiency of on-the-spot change canister is improved.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. The utility model provides a rapid dismounting structure of canister which characterized in that: comprises a canister (10), a connecting pipe (11) which is arranged on the end surface of the canister (10) and is communicated with the interior of the canister (10), and a ventilation pipe (30) the end surface of which can be embedded in the connecting pipe (11); the outer peripheral surfaces of the connecting pipe (11) and the ventilation pipe (30) are both provided with a sliding groove structure; a locking sleeve (20) which can move along the chute structure is sleeved on the periphery of the connecting pipe (11); the inner side wall of the locking sleeve (20) can be clamped into the chute structure, so that the connecting pipe (11) and the ventilation pipe (30) are fixedly connected.

2. The canister quick-release structure of claim 1, further comprising: a T-shaped first sliding groove (12) is formed on the outer peripheral surface of the connecting pipe (11), and an L-shaped second sliding groove (31) is formed on the outer peripheral surface of the ventilation pipe (30); the first sliding chute (12) and the second sliding chute (31) form the sliding chute structure; the inner side wall of the locking sleeve (20) is provided with a positioning block (21) which can move in the first sliding groove (12) and the second sliding groove (31) respectively, and the locking sleeve (20) can rotate to enable the positioning block (21) to be clamped in the sliding groove structure.

3. The canister quick-release structure of claim 2, wherein: through holes (22) are formed in two sides of the outer peripheral surface of the locking sleeve (20), and positioning holes (13) which are matched with the through holes (22) are formed in the outer side walls of the connecting pipe (11) and the ventilating pipe (30).

4. The canister quick-release structure of claim 2, wherein: a sunk groove (14) is formed in the end face of the connecting pipe (11), and a boss (32) embedded with the sunk groove (14) is formed in the end face of the ventilating pipe (30).

5. The canister quick-release structure according to claim 4, wherein: a sealing gasket (15) is arranged in the sinking groove (14) of the connecting pipe (11).

6. The canister quick-release structure according to claim 4, wherein: and a fixing flange (33) is formed at the other end of the vent pipe (30) positioned on the boss (32).