CN210237256U

CN210237256U - Telescopic aeration head

Info

Publication number: CN210237256U
Application number: CN201921022294.2U
Authority: CN
Inventors: Di Gao; 高地
Original assignee: Sichuan Fengze Water Environment Technology Co ltd
Current assignee: Sichuan Fengze Water Environment Technology Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-03
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a telescopic aeration head, which solves the defects of the prior art that the aeration head can not adjust the length and is easy to block, and comprises an outer air duct, an aeration head and an inner air duct, wherein the inner air duct is sleeved in the outer air duct, the aeration head comprises an aeration hole cover and an aeration head fixing seat, the aeration hole cover is arranged at the lower end of the aeration head fixing seat, the lower end of the inner air duct is connected with the upper end of the aeration head fixing seat through threads, the outer side of the outer air duct is sleeved with a threaded connection ring, one end of the outer air duct is provided with an extension fixing edge, the extended fixed edge is bonded with one end of the screw thread connecting ring, one end of the screw thread connecting ring close to the extended fixed edge is provided with an external screw thread, and the screw thread connecting ring is connected with a fixed screw cap by screw thread, through the opening and resetting of the moving plate, particles or impurities in water can be prevented from entering the inner air duct, so that the inner air duct is prevented from being blocked.

Description

Telescopic aeration head

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a telescopic aeration head.

Background

The aeration head is the head end part of the aerator, can be combined with a gas supply pipeline connected in back to form the complete aerator, is generally installed in a sewage tank, and compressed air is divided into micro bubbles through micropores of the aeration head by the gas supply pipeline to be dispersed in water, so that the purpose of dissolving oxygen is achieved. The aeration head that sewage treatment used needs higher requirement than the aeration head of using under other circumstances, and current aeration head and aeration head gas-supply pipe are easily blockked up, and aeration head gas-supply pipe is more difficult for changing to lead to aeration efficiency not high, and current aeration head does not have flexible function, therefore can not adjust the degree of depth of aeration head in aqueous.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects that the length of an aeration head can not be adjusted and the aeration head is easy to block in the prior art, and providing a telescopic aeration head.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a telescopic aeration head, includes outer air duct, aeration head and interior air duct, interior air duct cover is established in outer air duct, the aeration head includes aeration escutcheon and aeration head fixing base, and the aeration escutcheon sets up the lower extreme at aeration head fixing base, threaded connection is passed through with the upper end of aeration head fixing base to the lower extreme of interior air duct, the outside cover of outer air duct is equipped with the thread connection ring, the one end of outer air duct is equipped with the fixed limit of extension, and the fixed limit of extension bonds with the one end of thread connection ring, the one end that the thread connection ring is close to the fixed limit of extension is equipped with the external screw thread, and threaded connection encircles and go up the fixed cap of revolving of threaded connection, fixed through-hole and interior air duct sliding fit who sets up.

Preferably, the lower part of the inner air duct is provided with an installation cavity, and an extension spring is arranged in the installation cavity.

Preferably, two corresponding fixing clamping plates are welded at the upper end of the extension spring, and the other ends of the fixing clamping plates are welded on the inner wall of the inner air duct.

Preferably, a movable plate is welded at the lower end of the extension spring, a ventilation slot is formed in the lower end of the inner wall of the inner gas guide tube, and the movable plate is matched with the ventilation slot.

Preferably, a movable clamping ring is arranged between the fixed screw cap and the inner air guide tube, and the movable clamping ring is in sliding fit with the inner air guide tube.

Preferably, the inner air duct is provided with a plurality of ball grooves, and balls are matched in the ball grooves in a rolling manner.

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

1. through the opening and resetting of the moving plate, particles or impurities in water can be prevented from entering the inner air duct, so that the inner air duct is prevented from being blocked.

2. The utility model provides a slip that outer air duct and interior air duct can be free is with fixed to realized the flexible function of this device, can be according to the degree of depth regulation aeration head.

Drawings

Fig. 1 is a schematic view of a front view partial section structure of a telescopic aeration head provided by the present invention;

fig. 2 is an enlarged schematic structural view of a position a of the retractable aeration head provided by the present invention;

fig. 3 is a schematic view of a cross-sectional structure of an outer air duct and an inner air duct of a telescopic aeration head according to the present invention.

In the figure: the aeration device comprises an outer air guide pipe 1, an aeration head 2, an aeration hole cover 21, an aeration head fixing seat 22, a threaded connection ring 3, a fixed screw cap 4, an inner air guide pipe 5, a ball groove 51, an installation cavity 6, an extension spring 7, a movable plate 8, a fixed clamping plate 9, a ventilation groove 10, a movable clamping ring 11, balls 12 and an extension fixed edge 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-3, a telescopic aeration head comprises an outer air duct 1, an aeration head 2 and an inner air duct 5, wherein the inner air duct 5 is sleeved in the outer air duct 1, the aeration head 2 comprises an aeration hole cover 21 and an aeration head fixing seat 22, the aeration hole cover 21 is arranged at the lower end of the aeration head fixing seat 22, the lower end of the inner air duct 5 is in threaded connection with the upper end of the aeration head fixing seat 22, a threaded connection ring 3 is sleeved outside the outer air duct 1, an extension fixing edge 13 is arranged at one end of the outer air duct 1, the extension fixing edge 13 is bonded with one end of the threaded connection ring 3, an external thread is arranged at one end of the threaded connection ring 3 close to the extension fixing edge 13, a fixing screw cap 4 is in threaded connection with the threaded connection ring 3, a through hole arranged on the fixing screw cap 4 is in sliding fit with the inner air duct 5, a movable snap ring 11 is arranged between the fixing screw cap 4 and the inner air duct 5, the fixed cap 4 of turning round is rotatory, and fixed cap 4 of turning round can drive and remove snap ring 11 and remove and compress tightly extension fixed edge 13, and cooperation thread adapter ring 3 is fixed outer air duct 1 and interior air duct 5.

Wherein, the lower part of interior air duct 5 is equipped with installation cavity 6, and be equipped with extension spring 7 in installation cavity 6, two blocks of fixed cardboard 9 that correspond have been welded to extension spring 7's upper end, and the other end of fixed cardboard 9 all welds on the inner wall of interior air duct 5, movable plate 8 has been welded to extension spring 7's lower extreme, the lower extreme of interior air duct 5's inner wall is equipped with ventilative fluting 10, and movable plate 8 and ventilative fluting 10 phase-match, the lower extreme of interior air duct 5 of gaseous flow through, the thrust of production makes extension spring 7 elongate, and with the 8 jack-up of movable plate, gaseous alright entering aeration head 2, when stopping admitting air, movable plate 8 resumes the normal position, thereby can prevent granule or debris in aquatic from getting into interior air duct 5 and leading to interior air duct.

Be equipped with a plurality of ball grooves 51 on interior air duct 5, the roll cooperation has ball 12 in the ball groove 51, can realize outer air duct 1 and interior air duct 5 relative slip, when the length of this device of needs adjustment, will fix and revolve cap 4 and revolve out from thread connecting ring 3, stretch outer air duct 1 or interior air duct 5 to suitable length can.

Example (b): ventilate outer air duct 1, gaseous process outer air duct 1 and interior air duct 5 get into aeration head 2, the lower extreme of interior air duct 5 of gaseous flow through, the thrust of production makes extension spring 7 elongate, and with 8 jack-ups of movable plate, gaseous alright get into aeration head 2, when stopping admitting air, movable plate 8 resumes the normal position, thereby can prevent granule or debris in aquatic from getting into interior air duct 5 and leading to interior air duct 5 to be blockked up, when the length of this device needs to be adjusted, with fixed turncap 4 from thread joint ring 3 back-out, stretch outer air duct 1 or interior air duct 5 to suitable length can, rotatory fixed turncap 4, fixed turncap 4 can drive and remove snap ring 11 and remove and compress tightly extension fixed limit 13, cooperation thread joint ring 3 is fixed with outer air duct 1 and interior air duct 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A telescopic aeration head comprises an outer air duct (1), an aeration head (2) and an inner air duct (5), and is characterized in that the inner air duct (5) is sleeved in the outer air duct (1), the aeration head (1) comprises an aeration hole cover (21) and an aeration head fixing seat (22), the aeration hole cover (21) is arranged at the lower end of the aeration head fixing seat (22), the lower end of the inner air duct (5) is connected with the upper end of the aeration head fixing seat (22) through threads, a thread connecting ring (3) is sleeved on the outer side of the outer air duct (1), one end of the outer air duct (2) is provided with an extension fixing edge (13), the extension fixing edge (13) is bonded with one end of the thread connecting ring (3), one end of the thread connecting ring (5) close to the extension fixing edge (13) is provided with external threads, and the thread connecting ring (3) is connected with a fixing screw cap (4), the fixed turncap (4) is provided with a through hole which is in sliding fit with the inner air duct (5).

2. The telescopic aeration head according to claim 1, wherein the lower part of the inner air duct (5) is provided with a mounting cavity (6), and the mounting cavity (6) is provided with a tension spring (7).

3. The telescopic aeration head according to claim 2, wherein the upper end of the extension spring (7) is welded with two corresponding fixing clamping plates (9), and the other ends of the fixing clamping plates (9) are welded on the inner wall of the inner air duct (5).

4. The telescopic aeration head according to claim 2, wherein a moving plate (8) is welded to the lower end of the extension spring (7), the lower end of the inner wall of the inner air duct (5) is provided with an air-permeable slot (10), and the moving plate (8) is matched with the air-permeable slot (10).

5. The telescopic aeration head according to claim 1, wherein a movable snap ring (11) is arranged between the fixed screw cap (4) and the inner air duct (5), and the movable snap ring (11) is in sliding fit with the inner air duct (5).

6. The retractable aeration head according to claim 1, wherein the inner air duct (5) is provided with a plurality of ball grooves (51), and the ball grooves (51) are matched with the balls (12) in a rolling way.