CN214743384U

CN214743384U - Watertight air brake

Info

Publication number: CN214743384U
Application number: CN202121267811.XU
Authority: CN
Inventors: 沈佳
Original assignee: Taicang Payne Marine Equipment Technology Co ltd
Current assignee: Taicang Payne Marine Equipment Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-11-16
Anticipated expiration: 2031-06-07

Abstract

The utility model belongs to the technical field of the valve element for the ventilation and specifically relates to a watertight air brake is related to, and it includes valve body and valve plate, and the valve plate setting is equipped with on the valve body outer wall and is used for driving valve plate pivoted drive assembly in the valve body, and the valve plate interval is provided with the polylith, and the polylith valve plate all articulates on the lateral wall of mounting panel, is equipped with on the inner wall of valve body and keeps off the ring, keeps off the ring and is equipped with the sealing washer towards the valve plate simultaneously. This application has the gap between closed valve plate and the valve body, promotes the effect of the leakproofness of valve plate and valve body.

Description

Watertight air brake

Technical Field

The application relates to the field of valve elements for ventilation, in particular to a watertight air brake.

Background

The watertight air brake is used for controlling the circulation and the partition of air flow in the air pipeline. The valve body is communicated with the air pipeline, and the valve plate in the valve body is controlled to rotate to control the opening and closing of the valve body, so that the control of air flow in the air pipeline is realized. The inner wall of the valve body is provided with materials such as rubber and graphite to further seal the gap between the valve plate and the valve body.

To the correlation technique among the above-mentioned, because the valve plate needs to rotate and realizes the control of opening and closing the valve body, can be slightly less than the valve body internal diameter with valve plate size design when the valve plate is produced in the rotation of valve plate for the convenience, there is the clearance between valve plate and the valve body inner wall, leads to the leakproofness not high.

SUMMERY OF THE UTILITY MODEL

In order to seal the gap between valve plate and the valve body, promote the leakproofness of valve plate and valve body, this application provides a watertight air brake.

The application provides a watertight air brake adopts following technical scheme:

the utility model provides a watertight air brake, includes valve body and valve plate, the valve plate sets up in the valve body, be equipped with on the valve body outer wall and be used for driving valve plate pivoted drive assembly, be equipped with the mounting panel in the valve body, the valve plate interval is provided with polylith, polylith the valve plate all articulates on the lateral wall of mounting panel, be equipped with on the inner wall of valve body and keep off the ring, keep off and be equipped with the sealing washer towards the valve plate simultaneously.

Through adopting above-mentioned technical scheme, fix the sealing washer on keeping off the ring, make the sealing washer and the lateral wall of valve plate and the inner wall laminating of valve body, the sealing washer promotes the leakproofness between valve plate and the valve body with the gap shutoff between valve plate and the valve body.

Optionally, be equipped with the mounting bracket in the fender ring, mounting bracket female connection has drive screw, be equipped with on the lateral wall of mounting panel and be used for driving drive screw pivoted driving motor, the mounting panel is equipped with the guide bar towards the mounting bracket in the one side, be equipped with on the mounting bracket and supply the guide bar to insert the uide bushing of establishing.

Through adopting above-mentioned technical scheme, driving motor operation drives the drive screw and rotates, and the mount frame moves to the valve plate along the guide bar under the drive of drive screw, makes sealing washer and valve plate laminating inseparabler, further reduces the clearance between valve plate and the valve body inner wall, promotes the leakproofness between valve plate and the valve body.

Optionally, a limiting ring is arranged on one surface, facing the valve plate, of the mounting frame.

Through adopting above-mentioned technical scheme, when the mounting bracket removed to the valve plate, the terminal surface of spacing ring and the lateral wall laminating of mounting panel stopped the mounting bracket and further advanced, reduced the deformation that appears valve plate and mounting panel because the excessive extrusion of sealing washer and mounting bracket leads to, promoted the stability that the sealing washer removed the in-process.

Optionally, a hinge is arranged between the valve plate and the mounting plate, and a transmission shaft is coaxially arranged on a rotating shaft of the hinge.

By adopting the technical scheme, the hinge is used for replacing direct hinging of the mounting plate and the valve plate, so that a gap between the valve plate and the mounting plate caused by machining errors is reduced, a gap between the mounting plate and the valve plate is smaller, air flow passing through the mounting plate and the valve plate is further reduced, and the sealing performance of the water sealing valve is further improved.

Optionally, the transmission shaft extends to outside the valve body, drive assembly includes shell, worm wheel and worm, the shell sets up on the outer wall of valve body, the worm wheel is coaxial to be set up on the transmission shaft, the worm wheel sets up in the shell, the worm runs through on the lateral wall of shell, the screw thread opposite direction at worm both ends.

Through adopting above-mentioned technical scheme, rotate through the drive worm and drive the worm wheel and rotate, the worm wheel drives the valve plate and rotates, realizes opening and closing of valve plate.

Optionally, a sealing gasket is arranged on the side wall of the mounting plate facing the valve plate.

By adopting the technical scheme, after the valve plate is closed, the side wall of the valve plate is attached to the side wall of the sealing gasket, so that the gap between the valve plate and the mounting plate is further reduced, the air flow passing through the mounting plate and the valve plate is further reduced, and the sealing performance of the water sealing valve is further improved.

Optionally, an annular yielding groove is formed in the outer side wall of the baffle ring, and a sealing ring is arranged in the yielding groove.

Through adopting above-mentioned technical scheme, the sealing ring fills the gap between fender ring and the valve body inner wall, blocks that the air current passes through in the clearance between fender ring and the valve body, further promotes the sealing performance of watertight blast gate.

Optionally, a stepped groove for clamping the valve plate is formed in the sealing ring.

Through adopting above-mentioned technical scheme, the joint is in the step inslot after the valve plate is closed, and the sealing washer makes valve plate and sealing washer laminating inseparabler with the valve plate cladding, promotes the sealed effect of sealing washer, further promotes the sealing performance of watertight blast gate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sealing ring seals a gap between the valve plate and the valve body, reduces air flow passing through the gap between the valve plate and the valve body, and improves the sealing property between the valve plate and the valve body;

2. the driving motor of the screw rod is arranged, the screw rod is driven by the driving motor to enable the sealing ring and the valve plate to be attached more tightly, the gap between the valve plate and the valve body is further reduced, and the sealing performance between the valve plate and the valve body is further improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic diagram showing the structure of the driving assembly.

Fig. 3 is a schematic view showing the structure of the mounting bracket.

Description of reference numerals: 1. a valve body; 2. a valve plate; 3. mounting a plate; 4. a hinge; 5. a drive assembly; 51. a housing; 52. a worm gear; 53. a worm; 6. a gasket; 7. a drive shaft; 8. a seal ring; 9. a drive motor; 10. a drive screw; 11. a mounting frame; 12. a guide bar; 13. a guide sleeve; 14. a baffle ring; 15. a seal ring; 16. a limiting ring; 17. a yielding groove; 18. a step groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses watertight air brake. Referring to fig. 1 and 2, the watertight air brake comprises a valve body and two valve plates, wherein a mounting plate is arranged in the valve body, and the two valve plates are hinged to two ends of the mounting plate in the length direction through hinges. A transmission shaft is arranged between the upper hinge and the lower hinge, the transmission shaft is coaxially and fixedly connected with a hinged shaft of the hinge, and the top end of the transmission shaft extends upwards and penetrates through the valve body to extend out of the valve body.

Referring to fig. 1, a gasket is fixed to a side wall of the mounting plate facing away from the mounting plate. After the valve plate is closed, the sealing gasket seals a gap between the mounting plate and the side wall of the valve plate, the gap between the valve plate and the mounting plate is reduced, and the sealing performance of the watertight air brake is improved.

Referring to fig. 1 and 2, a driving assembly for driving the valve plate to rotate is arranged on the outer wall of the valve body, the driving assembly comprises a shell, two worm wheels and a worm, the shell is fixed on the outer wall of the valve body, the two worm wheels are arranged corresponding to the transmission shafts, the two worm wheels are respectively and coaxially arranged at the top ends of the two transmission shafts, the worm penetrates through the shell, the directions of threads at the two ends of the axis of the worm are opposite, and the worm is meshed with the worm wheels. The worm is driven to rotate through an external hand wheel or an external driving device, the worm gear drives the two transmission shafts to rotate in the opposite direction, and then the valve plate is controlled to be opened and closed.

Referring to fig. 1 and 3, a mounting frame is arranged in the valve body, and the mounting frame can slide on the inner wall of the valve body. A retaining ring is fixed on one surface, facing the valve plate, of the mounting frame, a sealing ring is fixed on one surface, facing the valve plate, of the retaining ring, and a stepped groove is formed in the sealing ring. After the valve plate is closed, the valve plate falls into the step groove on the sealing ring, the side wall of the valve plate is attached to the inner wall of the step groove, the sealing ring is attached to the inner wall of the valve body, a gap between the valve plate and the valve body is sealed, the gap between the valve plate and the valve body is greatly reduced, and the sealing performance between the valve plate and the valve body is improved.

Referring to fig. 1 and 3, a transmission screw rod is arranged on the mounting plate, the axis of the transmission screw rod is parallel to the sliding direction of the mounting frame, and the transmission screw rod is in threaded connection with the mounting frame. The mounting panel is equipped with the guide bar towards the mounting bracket one side, and the length direction of guide bar is parallel with drive screw's axis, be equipped with on the mounting bracket and supply the guide bar to insert the uide bushing of establishing. The mounting panel deviates from and is fixed with driving motor on the mounting bracket one side, and driving motor's output shaft and the coaxial fixed connection of drive screw. The driving motor operates to drive the transmission screw rod to rotate, the transmission screw rod drives the mounting frame to slide along the guide rod, so that the sealing ring is attached to the valve plate more tightly, and the sealing performance between the valve plate and the valve body is improved.

Referring to fig. 1 and 3, the mounting bracket is provided with a limit ring on one side of the mounting bracket facing the mounting plate, the limit ring limits the sliding distance of the mounting bracket, the gap between the mounting bracket and the mounting plate is controlled, and the valve plate is prevented from being deformed due to the fact that the sealing ring excessively extrudes the valve plate.

Referring to fig. 1 and 3, an annular yielding groove is formed in the outer side wall of the baffle ring, and a sealing ring is arranged in the yielding groove. The sealing ring seals and blocks a gap between the baffle ring and the inner wall of the valve body, and the sealing performance of the watertight air brake is further improved.

The implementation principle of this application embodiment watertight air brake does: the driving worm rotates to drive the valve plate to close. After the valve plate is closed, the sealing gasket is clamped by the valve plate and the mounting plate, the driving motor drives the transmission lead screw to rotate, the transmission lead screw drives the mounting frame to be close to the mounting plate, the sealing ring is attached to the valve plate more tightly, the sealing ring seals a gap between the valve plate and the valve body, and the sealing performance of the watertight air brake is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a watertight air brake, includes valve body (1) and valve plate (2), valve plate (2) set up in valve body (1), be equipped with on valve body (1) outer wall and be used for driving valve plate (2) pivoted drive assembly (5), its characterized in that: be equipped with mounting panel (3) in valve body (1), valve plate (2) interval is provided with the polylith, the polylith valve plate (2) all articulate on the lateral wall of mounting panel (3), be equipped with on the inner wall of valve body (1) and keep off ring (14), keep off ring (14) and be equipped with sealing washer (8) towards valve plate (2) one side.

2. A watertight damper according to claim 1, characterised in that: be equipped with mounting bracket (11) in fender ring (14), mounting bracket (11) female connection has drive screw (10), be equipped with on the lateral wall of mounting panel (3) and be used for driving drive screw (10) pivoted driving motor (9), mounting panel (3) are equipped with guide bar (12) towards mounting bracket (11) one side, be equipped with on mounting bracket (11) and supply guide bar (12) to insert uide bushing (13) of establishing.

3. A watertight damper according to claim 2, characterised in that: and a limiting ring (16) is arranged on one surface of the mounting rack (11) facing the valve plate (2).

4. A watertight damper according to claim 1, characterised in that: hinge (4) are arranged between the valve plate (2) and the mounting plate (3), and a transmission shaft (7) is coaxially arranged on a rotating shaft of the hinge (4).

5. A watertight damper, according to claim 4, characterized in that: the valve body (1) is extended to outside transmission shaft (7), drive assembly (5) include shell (51), worm wheel (52) and worm (53), shell (51) set up on the outer wall of valve body (1), worm wheel (52) coaxial setting is on transmission shaft (7), worm wheel (52) set up in shell (51), worm (53) run through on the lateral wall of shell (51), the screw thread opposite direction at worm (53) both ends.

6. A watertight damper, according to claim 4, characterized in that: the side wall of the mounting plate (3) facing the valve plate (2) is provided with a sealing gasket (6).

7. A watertight damper according to claim 1, characterised in that: an annular yielding groove (17) is formed in the outer side wall of the retaining ring (14), and a sealing ring (15) is arranged in the yielding groove.

8. A watertight damper according to claim 1, characterised in that: and a step groove (18) for clamping the valve plate (2) is formed in the sealing ring (8).