CN200943258Y

CN200943258Y - Flexible light high-intensity slap gate

Info

Publication number: CN200943258Y
Application number: CN 200620076308
Authority: CN
Inventors: 周明泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-06
Filing date: 2006-09-06
Publication date: 2007-09-05
Anticipated expiration: 2016-09-06

Abstract

The utility model relates to a flexible lightweight flap valve with high strength that realizes one-way flow and interception of water by using the kinetic energy of water flow in the water supply and drainage engineering. A flap valve ear (6) is arranged at the top of the galeiform flap valve plate (6), and hinged with a bearing block (2) on a bearing block (2) via a valve shaft (3). The end surface of the water outlet (8) of the flap valve base is provided with a flexible sealing ring (9) with the surrounding parts. The valve shaft (3) is positioned in the valve shaft hole (4), and moves horizontally. The flap valve plate of the utility model is made of lightweight materials, and has the advantages of light weight, low cost, low loss of hydraulic power, easy opening, flexible closing, absence from strike and noise, good adhesive and sealing effect, and applicability to various occasions with different checking pressure.

Description

The high-strength flap valve of flexible light weight

Technical field

The utility model relates in a kind of water supply and sewage work realizes check and the cut-off device that blocks, the high-strength flap valve of specifically a kind of flexible light weight by current self kinetic energy.

Background technology

Flap valve is mounted in a kind of one way valve of rivers bank or supply and drain water system pipe water outlet.It is to open flap valve automatically by the irrigation and drainage current, or falls to closing flap valve automatically under the suction function of deadweight and aqueous reflux formation, and the flow backwards that prevents high water level is to the low water stage district.

Existing flap valve normally connects into integral body by flap valve seat and flap valve plate through two joint rotating shafts, is installed on the plumbing steel concrete pipeline, and its flap valve plate is cylinder iron or the steel plate manufacturing.There is following shortcoming in this flap valve:

1, hydraulic loss is big: the flap valve plate is made by metal material such as cast iron or steel plates, and it is very big to conduct oneself with dignity, and flap valve is opened by the irrigation and drainage current, therefore, causes hydraulic loss big;

2, the swing gap is big: flap valve seat and flap valve plate are formed by connecting through two joint rotating shafts, and driving member is many, has both had the cost height, and the trouble point is many, easy-to-rust again, and flap valve plate plane of oscillation gap is big during closure, and the resetting ability is low;

3, poor sealing: the flap valve closure is directly to be contacted with the flap valve seat by the flap valve plate, because flap valve from great, can produce strong vibration and noise when closing, often bounces, and encapsulant damages easily, causes to leak; And the closure of stiff dough and stiff dough, its sealing effectiveness is bad, easily infiltration.

Summary of the invention

In order to overcome the shortcoming that prior art exists, it is light that the purpose of this utility model provides a kind of material, and the water loss of energy is low, good sealing effect, and light unlatching, flexible closed, the high-strength flap valve of flexible light weight of nothing bump and noise.

The technical solution adopted in the utility model is: the high-strength flap valve of a kind of flexible light weight, the flap valve ear and the bearing support on the flap valve seat on Helmeted outlet gate plate top are hinged through door-hinge, the delivery port end face of described flap valve seat and periphery are connected with circular or square flexible seal ring, and described door-hinge places the state that is in horizontal movement in the waist shape door-hinge hole.

Further, be filled with elastomeric material in the both sides hole of described door-hinge in waist shape door-hinge hole.

Again further, described flexible seal ring comprises primary sealing area, wedge angle lip limit, cover edge fit, described cover edge fit combines with flap valve seat delivery port periphery, described primary sealing area fits on the flap valve seat delivery port end face, and the intersection of primary sealing area and cover edge fit is to the drift angle centerline direction wedge angle lip limit of extending out.

After adopting above technical scheme, the beneficial effect that the utility model reaches is:

1, the flap valve plate adopts light material to make, and in light weight, cost is low, and hydraulic loss is little;

Impact when 2, adopting flexible seal ring absorption flap valve to close on the flap valve seat, friction, noiselessness, absorption and good sealing effect;

3, utilize the buffering between flexible lips and the flap valve plate to combine closely, can reach zero seepage, be applicable to different non-return pressure applications;

4, filling elastic material in the waist shape door-hinge hole absorbs the impact of door-hinge; Solve the adjustment of the pressing distance of flap valve plate and flap valve seat flexible sealing face simultaneously; Adopt a joint door-hinge to reduce fault rate, reduce cost.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the flexible seal ring partial schematic diagram.

In shown in Fig. 1,2, flap valve seat 1, bearing support 2, door-hinge 3, door-hinge hole 4, elastomeric material 5, flap valve ear 6, Helmeted outlet gate plate 7, flap valve seat delivery port 8, flexible seal ring 9, primary sealing area 10, wedge angle lip limit 11, cover edge fit 12.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

The high-strength flap valve of non-return flexible light weight of low-lift pump outlet in a kind of being applicable to shown in Fig. 1,2, this flap valve comprise that Helmeted outlet gate plate 7 and flap valve seat 1 first quarter door-hinge 3 are formed by connecting, and the flap valve plate adopts light material to make.Door-hinge hole 4 is mounting hole, and door-hinge 3 places the mid-flexible material 5 of the both sides hole in door-hinge hole 4.When flap valve opened and closed, door-hinge can axially move in the door-hinge hole, and spacing by the elastomeric material flexibility, and door-hinge is moved with the pressing degree of flap valve plate, the sealing effectiveness when guaranteeing closure.

Be connected with flexible seal ring 9 on flap valve seat delivery port 8 side faces and the end face.This flexible seal ring comprises primary sealing area 10, wedge angle lip limit 11, cover edge fit 12, wherein overlap edge fit 12 and be socketed on flap valve seat delivery port 8 peripheries, primary sealing area 10 fits on flap valve seat delivery port 8 end faces, cover edge fit 12 and the drift angle centerline direction of the primary sealing area 10 intersections wedge angle lip limit 11 of extending out.When flap valve was closed, Helmeted outlet gate plate 7 was at first clapped with wedge angle lip limit 11 and is closed the plastic deformation through wedge angle lip limit, make the flap valve plate along with the increase of non-return pressure and the primary sealing area 10 complete driving fits of flexible seal ring again, both reduce vibration, reduced noise again, more can reach the better seal effect.Door-hinge 3 moves horizontally distance and is complementary with flexible seal ring 9 pressing degree of deformations in door-hinge hole 4.Flexible seal ring 9 is circle or square ring, and is overall structure, is applicable to circular or square flap valve.

Claims

1, the high-strength flap valve of a kind of flexible light weight, the flap valve ear (6) on Helmeted outlet gate plate (7) top is hinged through door-hinge (3) with the bearing support (2) on the flap valve seat (1), it is characterized in that: the delivery port of described flap valve seat (8) end face and periphery are connected with flexible seal ring (9), and described door-hinge (3) places the state that is in horizontal movement in the waist shape door-hinge hole (4).

2, the high-strength flap valve of a kind of flexible light weight according to claim 1 is characterized in that: be filled with elastomeric material (5) in the both sides hole of described door-hinge (3) in waist shape door-hinge hole (4).

3, the high-strength flap valve of a kind of flexible light weight according to claim 1, it is characterized in that: described flexible seal ring (9) comprises primary sealing area (10), wedge angle lip limit (11), cover edge fit (12), described cover edge fit (12) and peripheral combination of flap valve seat delivery port (8), described primary sealing area (10) fits on flap valve seat delivery port (8) end face, and the intersection of primary sealing area and cover edge fit is to the drift angle centerline direction wedge angle lip limit (11) of extending out.

4, the high-strength flap valve of a kind of flexible light weight according to claim 1 is characterized in that: described flexible seal ring (9) is circle or square ring.