CN201406719Y - A double mechanical seal floor drain core - Google Patents

Abstract

A floor drain core with a double mechanical seal is composed of an upper body of the floor drain core, a float, a lower body of the floor drain core and a movable door. The float is installed in the upper body of the floor drain core, and the lower end of the float is matched with the water outlet of the upper body of the floor drain core, and the lower end of the float is sealed to the water outlet of the upper body of the floor drain core by gravity or magnetic force; the lower body of the floor drain core is connected to the floor drain core At the lower end of the upper body, the movable door is installed at the water outlet of the lower body of the floor drain core, and the water outlet of the lower body of the floor drain core is sealed by gravity or magnetic force. Through the change of the water flow into the floor drain core, the opening and closing of the double mechanical seal floor drain core is realized. The double mechanical seal floor drain core has the advantages of fast switching, small resistance when water flows through, good sealing effect, and is not easy to be blocked, and can prevent the positive and negative pressure in the sewer from damaging the sealing performance of the floor drain core, and has good anti-backflow performance.

Description

A kind of dual mechanical seal floor drain core

Technical field

The utility model relates to a kind of floor drain core, especially a kind of dual mechanical seal floor drain core.

Background technology

Floor drain plays an important role in construction drainage as an important utensil getting rid of excess surface water.Floor drain should possess two kinds of basic functions: the one, and draining is smooth and easy, can get rid of excess surface water rapidly; The 2nd, good seal can effectively prevent in the foul smell inlet chamber in the sewer pipe.The existing ubiquitous problem of floor drain mainly shows: 1. the water seal height of floor drain core is not enough, and majority has only 10-30mm, and is very easily dry, causes floor drain core to lose sealing function, makes in the foul smell inlet chamber in the drainage pipe; 2. a little less than the drainability of floor drain core, be prone to the phenomenon of impeded drainage; 3. the self-purification ability of floor drain core is poor, tangles hair, settled sludge easily, forms to stop up; 4. floor drain core unreasonable structure, the water seal hold facility is poor, and easily malleation that is formed in the sewerage system and negative pressure are destroyed.

Summary of the invention

The purpose of this utility model is to provide that a kind of simple in structure, current are little by resistance, good sealing effect, not susceptible to plugging dual mechanical seal floor drain core.

Dual mechanical seal floor drain core of the present utility model mainly is made up of main body and dodge gate under main body, float, the floor drain core on the floor drain core.Float is arranged in the main body on the floor drain core, and the delivery port of main body matches on the lower end of float and the floor drain core, can utilize gravity or magnetic force to reach to make the purpose of main body delivery port on the float sealing floor drain core; The required gravity of main body delivery port is provided by the gravity of float self or the gravity of balance weight body generation on the float sealing floor drain core, required magnetic force can be provided by the magnetic seal composite member that is installed in float lower end and delivery port place, and main body also can be made by magnetic material on float and the floor drain core.Magnetic force between the magnetic seal composite member can act on delivery port several points on every side, also can act on the delivery port ring on every side; The magnetic seal composite member is made by magnetic material, comprises Hard Magnetic and soft magnetism, and magnetic force can produce by the magnetic material of different shape.For increasing sealing effectiveness, the lower end of float or delivery port sealing place can be installed elastic seal ring additional.When magnetic material adopts rubber magnet, can save elastic seal ring.Buoyancy that float produces and gravity or magnetic force adapt, and take into account the drainage performance and the sealing performance of floor drain core; The guiding or the positioner of float can be installed, to strengthen the sealing effectiveness of floor drain core on main body on the floor drain core; The top of float can also install deflector additional, directly impacts float with the big current that prevent dischargings such as washing machine, influences the drainage performance of floor drain core.Main body is connected the lower end of main body on the floor drain core under the floor drain core, and the water inlet of main body is exactly the delivery port of main body on the floor drain core under the floor drain core; A dodge gate is installed at the delivery port place of main body under the floor drain core, dodge gate can be around being installed in hinge on the main body or rotating shaft rotation under the floor drain core, dodge gate is the same with the sealing between float and the delivery port with sealing means between the delivery port, can be that the gravity sealing also can be a magnetic seal, the unlatching of dodge gate relies on the gravity or the impulse force of water.

The beneficial effects of the utility model are, the dual mechanical seal floor drain core switch rapidly, current by the time resistance little, be difficult for obstruction, good sealing effect, strong, simple in structure, the convenient maintenance of self-cleaning ability.Because floor drain core has twice mechanical seal up and down, so the positive negative pressure in the sewer pipe can not influence the sealing performance of floor drain core, and floor drain core also has good overflow-proof performance.

Description of drawings

Accompanying drawing is the structural representation of dual mechanical seal floor drain core.

Main body on 1. floor drain cores among the figure, 2. float, 3. magnetic seal composite member, 4. magnetic seal composite member, 5. main body under the floor drain core, 6. rotating shaft, 7. dodge gate, 8 sealing rings.

The specific embodiment

With reference to the accompanying drawings, dual mechanical seal floor drain core is made up of main body 5, rotating shaft 6, dodge gate 7, sealing ring 8 under main body on the floor drain core 1, float 2, magnetic seal composite member 3, magnetic seal composite member 4, the floor drain core.Float 2 is installed on the floor drain core in the main body 1, and the delivery port on the lower end of float 2 and the floor drain core on the main body 1 matches, and float 2 can block the delivery port of main body 1 on the floor drain core when sinking.Magnetic seal composite member 3 is fixed on the lower end of float 2, magnetic seal composite member 4 be fixed on main body 1 on the floor drain core delivery port around, and it is corresponding with magnetic seal composite member 3, rely on the magnetic force that produces between magnetic seal composite member 3 and the magnetic seal composite member 4, the delivery port of main body on the floor drain core 1 is sealed; Magnetic seal composite member 3 is made by rubber magnet, can the reinforced seal effect.Main body 5 is installed in the lower end of main body 1 on the floor drain core under the floor drain core, and the water inlet of main body 5 is exactly the delivery port of main body 1 on the floor drain core under the floor drain core; A dodge gate 7 is installed at the delivery port place of main body 5 under the floor drain core, and dodge gate 7 can be around being installed in 6 rotations of the rotating shaft on the main body 5 under the floor drain core, and the delivery port place of main body 5 is equipped with sealing ring 8 to strengthen the sealing between dodge gate and the delivery port under the floor drain core.The course of work of dual mechanical seal floor drain core is as follows: current enter on the floor drain core in the main body 1 and accumulate in around the float 2, buoyancy of water on accumulating in floor drain core in the main body 1 is during greater than magnetic force between magnetic seal composite member 3 and the magnetic seal composite member 4 and float gravity sum, float 2 moments come-up, open the delivery port of main body 1 on the floor drain core, water in the main body on the floor drain core 1 is entered rapidly under the floor drain core in the main body 5, and wash dodge gate 7 open and enter in the sewer.Because magnetic force suffered after float 2 come-ups is very little, so the delivery port of main body 1 can be opened fully on the floor drain core, current enter under the floor drain core in the main body 5 swimmingly, dodge gate 7 also can smooth opening under the gravity of current and momentum effect, thereby the solids that is contained in the water all can enter in the sewer.When current diminished, the water surface on the floor drain core in the main body 1 descended, and float 2 also descends thereupon; In the time of in float 2 drops to magneto motive scope, 2 moments of float are blocked the delivery port of floor drain core under the effect of magnetic force; If there are less current to enter on the floor drain core in the main body 1 always, then float 2 is in the interruption opening; The current in the main body 1 stop on the floor drain core if enter, and float 2 no longer floats so, and the delivery port of main body 1 is sealed on the floor drain core, will have a certain amount of water in the main body 1 on the floor drain core, and form water seal.After main body 5 interior anhydrous the entering, dodge gate 7 relies on gravity to seal delivery port under the floor drain core.If long-time anhydrous the entering of floor drain core, the water seal water meeting evaporate to dryness on the floor drain core in the main body 1, this moment, twice mechanical seal still existed up and down, and floor drain core still is in sealing state completely.

Claims (6)

1. A floor drain core with a double mechanical seal, which has an upper body of the floor drain core, a float, a lower body of the floor drain core and a movable door, and is characterized in that the float is installed in the upper body of the floor drain core, and the lower end of the float is connected to the water outlet of the upper body of the floor drain core. Cooperate and seal the water outlet of the upper body of the floor drain core; the lower body of the floor drain core is connected to the lower end of the upper body of the floor drain core; the movable door is installed at the water outlet of the lower end of the lower body of the floor drain core, and can be installed around the lower body The hinge or rotating shaft rotates, and seals the water outlet of the main body under the floor drain core; through the change of the water flow into the floor drain core, the opening and closing of the double mechanical seal floor drain core is realized. 2. A double mechanical seal drain core according to claim 1, characterized in that said float can have a guiding or positioning device. 3. A double mechanical seal floor drain core according to claim 1, characterized in that a counterweight can be installed on said float. 4. A double mechanical seal floor drain core according to claim 1, characterized in that a magnetic seal assembly can be installed at the lower end of the float and the water outlet. 5. A double mechanical seal floor drain core according to claim 4, characterized in that said magnetic seal assembly is made of magnetic materials, including hard magnetic materials and soft magnetic materials. 6. A double mechanical seal floor drain core according to claim 1, characterized in that a magnetic seal assembly can be installed at the movable door and the water outlet.