CN210510397U - Buffering formula of freely turning on one's side flap door - Google Patents
Buffering formula of freely turning on one's side flap door Download PDFInfo
- Publication number
- CN210510397U CN210510397U CN201921544988.2U CN201921544988U CN210510397U CN 210510397 U CN210510397 U CN 210510397U CN 201921544988 U CN201921544988 U CN 201921544988U CN 210510397 U CN210510397 U CN 210510397U
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- China
- Prior art keywords
- door
- flap valve
- door frame
- flap
- buffering
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- Expired - Fee Related
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Abstract
The utility model relates to a buffering formula of freely turning on one's side flap valve. The door frame comprises a door frame, two door covers and a plurality of door hinges, wherein the two door covers are respectively hinged and connected with the left side and the right side of the door frame through the door hinges, a vertical beam is arranged on the front side of the middle of the door frame, a B-shaped rubber strip is arranged on the vertical beam, a sealing strip arranged on the front side of the door frame is arranged between the door covers and the door frame, buffering devices are respectively arranged on the inner sides of the upper end and the lower end of each door cover, a limiting seat arranged on the door frame is arranged on the outer side of each door hinge, and a limiting plate matched with the limiting seat is arranged on the outer side of each door cover. The utility model discloses simple structure, through adopting the utility model discloses the structure is add buffer on the door closure, the door closure fall back buffer earlier with the contact of door frame of clapping, after pressure passed to buffer, with door closure jack-up afterwards, reciprocating work is stable until the door closure, effectively avoids the rubber strip striking to damage increase of service life.
Description
Technical Field
The utility model relates to a flap valve especially relates to a buffering formula flap valve of freely turning on one's side belongs to hydraulic engineering technical field.
Background
The flap valve is a one-way valve installed at the safe side of river and sea or the water outlet of water supply and drainage system, and is closed by the dead weight of flap valve cover and the pressure difference between inner and outer sides to prevent water from entering the pipeline and prevent water from flowing backward. When the inner side is drained by a water pump or a drainage system, the flap valve cover is opened and the flap valve flows into the river on the outer side. It is mainly used for various pipelines and water outlet pipes of water pumps and water outlets in various water supply and drainage and sewage treatment projects, and the water outlet in a pump station has a non-return function. The side-turning flap valve is composed of two door covers, a flap valve frame and door hinges, and forms an inclination angle of 10-15 degrees with a vertical surface so as to be beneficial to tightly closing the door covers under the action of gravity. The rubber or the copper strip is arranged between the flap valve door frame and the door cover, the flap valve is relatively bad in use condition in practical application, the flap valve door frame and the door cover can be frequently impacted until being stable in the operation process, the rubber or the copper strip can be damaged for a long time, the sealing effect is reduced, and the replacement is relatively troublesome.
SUMMERY OF THE UTILITY MODEL
To the above defect, an object of the utility model is to provide a simple structure can make the door closure and the doorframe striking in-process frequently cushion, until the door closure is stable, avoids the sealing strip to damage, increase of service life's a buffering formula of freely turning on one's side claps the door.
Therefore, the utility model adopts the technical proposal that:
the door comprises a door frame of the flap valve, two door covers and a plurality of door hinges, wherein the two door covers are respectively hinged and connected with the left side and the right side of the door frame of the flap valve through the door hinges, a vertical beam is arranged on the front side in the middle of the door frame of the flap valve, a B-shaped rubber strip is arranged on the vertical beam, a sealing strip arranged on the front side of the door frame of the flap valve is arranged between the door covers and the door frame of the flap valve, the inner sides of the upper end and the lower end of the two door covers are respectively provided with a buffer device, each buffer device comprises a guide cylinder, the lower end of the guide cylinder is provided with a sealing cover, the inner wall of the lower end of the guide cylinder is provided with a step, a guide column is arranged in the guide cylinder, the outer wall of the lower end of the guide column is provided with a radial boss for clamping the step, the axis of the lower end of the, the buffer wheel is connected with the two sides of the groove through a rotating shaft, the outer side of the door hinge is provided with a limiting seat arranged on a door frame of the flap valve, and the outer side of the door cover is provided with a limiting plate matched with the limiting seat.
As a further improvement of the technical scheme, the two door covers are respectively provided with pull rings which are fixedly connected with the two door covers.
As a further improvement of the technical scheme, the sealing strip is a P-shaped rubber strip.
As a further improvement of the technical scheme, the limiting seat is of an I-shaped structure, and a bottom plate of the limiting seat is fixedly connected with a door frame of the flap door through bolts.
As a further improvement of the technical scheme, a cushion pad is arranged on the top plate of the limiting seat and is fixedly connected with the top plate through a bolt.
As a further improvement of the technical scheme, the outer wall of the guide cylinder is provided with an ear plate, and the ear plate is fixedly connected with the door cover through a bolt.
The utility model has the advantages that:
the utility model discloses simple structure, through adopting the utility model discloses the structure is add buffer on the door closure, the door closure fall back buffer earlier with the contact of door frame of clapping, after pressure passed to buffer, with door closure jack-up afterwards, reciprocating work is stable until the door closure, effectively avoids the rubber strip striking to damage increase of service life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view a-a of fig. 1.
Fig. 4 is a partially enlarged view of B in fig. 2.
Fig. 5 is a partially enlarged view of C in fig. 2.
In the figure, 1 is a door frame of a flap door, 2 is a door cover, 3 is a door hinge, 4 is a vertical beam, 5 is a B-shaped rubber strip, 6 is a sealing strip, 7 is a buffer device, 8 is a guide cylinder, 9 is a sealing cover, 10 is a guide post, 11 is a spring, 12 is a buffer wheel, 13 is a rotating shaft, 14 is a limiting seat, 15 is a limiting plate, 16 is a pull ring, 17 is a buffer pad, and 18 is an ear plate.
Detailed Description
A free side-turning buffering type flap valve comprises a flap valve frame 1, two flap covers 2 and a plurality of door hinges 3, wherein the two flap covers 2 are respectively hinged with the left side and the right side of the flap valve frame 1 through the door hinges 3, a vertical beam 4 is arranged on the front side of the middle of the flap valve frame 1, a B-shaped rubber strip 5 is arranged on the vertical beam 4, a sealing strip 6 arranged on the front side of the flap valve frame 1 is arranged between the flap covers 2 and the flap valve frame 1, buffering devices 7 are respectively arranged on the inner sides of the upper end and the lower end of the two flap covers 2, each buffering device 7 comprises a guide cylinder 8, a sealing cover 9 is arranged at the lower end of each guide cylinder 8, a step is arranged on the inner wall of the lower end of each guide cylinder 8, a guide column 10 is arranged in each guide cylinder 8, a radial boss clamped by the step is arranged on the outer wall of the lower end of each guide column 10, a cavity is arranged at the axis of, the lower end of the spring 11 abuts against the upper end of the sealing cover 9, a groove is formed in the upper end of the guide post 10, a buffer wheel 12 is arranged in the groove, the buffer wheel 12 is connected with the two sides of the groove through a rotating shaft 13, a limiting seat 14 installed on the door frame 1 of the flap valve is arranged on the outer side of the door hinge 3, and a limiting plate 15 matched with the limiting seat 14 is arranged on the outer side of the door cover 2.
As a further improvement of the above technical solution, the two door covers 2 are respectively provided with a pull ring 16, and the pull ring 16 is fixedly connected with the two door covers 2.
As a further improvement of the above technical solution, the sealing strip 6 is a P-type rubber strip.
As a further improvement of the technical scheme, the limiting seat 14 is in an I-shaped structure, and a bottom plate of the limiting seat 14 is fixedly connected with the flap door frame 1 through bolts.
As a further improvement of the technical scheme, a cushion pad 17 is arranged on a top plate of the limiting seat 14, the cushion pad 17 is fixedly connected with the top plate through a bolt, and the cushion pad 17 is a rubber cushion pad.
As a further improvement of the above technical solution, an ear plate 18 is arranged on the outer wall of the guide cylinder 8, and the ear plate 18 is fixedly connected with the door cover 2 through a bolt.
In the course of the work, the door closure falls down back buffer gear's buffering wheel earlier with clap a door frame contact, guide post compression spring bounces the door closure, the door closure falls down once more, then the door closure bounces once more, reciprocating work is until the door closure is stable, when the door closure is opened, avoids opening the angle too big, the door closure can't fall down by oneself, sets up spacing seat to set up the limiting plate with spacing seat matched with in the door closure outside.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A free side-turning buffering type flap valve comprises a flap valve frame, two flap valves and a plurality of door hinges, wherein the two flap valves are respectively hinged with the left side and the right side of the flap valve frame through the door hinges, a vertical beam is arranged on the front side of the middle of the flap valve frame, a B-shaped rubber strip is arranged on the vertical beam, a sealing strip arranged on the front side of the flap valve frame is arranged between the flap valves and the flap valve frame, and the free side-turning buffering type flap valve is characterized in that buffering devices are respectively arranged on the inner sides of the upper end and the lower end of the two flap valves, each buffering device comprises a guide cylinder, a sealing cover is arranged at the lower end of the guide cylinder, a step is arranged on the inner wall of the lower end of the guide cylinder, a guide column is arranged in the guide cylinder, a radial boss for clamping the step is arranged on the outer wall of the lower end of the guide column, a cavity is arranged at the axis of the lower end of, the door hinge is characterized in that a buffer wheel is arranged in the groove and connected with the two sides of the groove through a rotating shaft, a limiting seat arranged on a door frame of the flap door is arranged on the outer side of the door hinge, and a limiting plate matched with the limiting seat is arranged on the outer side of the door cover.
2. The free-rollover buffering flap valve according to claim 1, wherein the two door covers are respectively provided with a pull ring, and the pull rings are fixedly connected with the two door covers.
3. The free-rollover cushioned flap valve according to claim 1 wherein said sealing strip is a P-type rubber strip.
4. The free-rollover buffering type flap valve according to claim 1, wherein the limiting seat is of an I-shaped structure, and a bottom plate of the limiting seat is fixedly connected with a flap valve frame through a bolt.
5. The free-rollover buffering type flap valve according to claim 4, wherein a cushion pad is arranged on a top plate of the limiting seat, and the cushion pad is fixedly connected with the top plate through a bolt.
6. The free-rollover buffering type flap valve according to claim 1, wherein an ear plate is arranged on the outer wall of the guide cylinder, and the ear plate is fixedly connected with the door cover through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544988.2U CN210510397U (en) | 2019-09-18 | 2019-09-18 | Buffering formula of freely turning on one's side flap door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544988.2U CN210510397U (en) | 2019-09-18 | 2019-09-18 | Buffering formula of freely turning on one's side flap door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210510397U true CN210510397U (en) | 2020-05-12 |
Family
ID=70570273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921544988.2U Expired - Fee Related CN210510397U (en) | 2019-09-18 | 2019-09-18 | Buffering formula of freely turning on one's side flap door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210510397U (en) |
-
2019
- 2019-09-18 CN CN201921544988.2U patent/CN210510397U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 Termination date: 20210918 |