CN104141334A - Drainer of bathtub - Google Patents

Abstract

The invention discloses a bathtub drain, which comprises a chrome-plated copper sewer pipe, an electromagnetic coil is sheathed on the outside of the chrome-plated copper sewer pipe, and a galvanized iron core is screwed into the interior; Stop pin; the upper part of the galvanized iron core is sequentially set with galvanized compression flat gaskets, hard rubber gaskets, chrome-plated copper plates and permanent magnetic steel, and the outer sleeve of the permanent magnetic steel is provided with the chrome-plated copper downpipe. Epoxy bonded drain cover. The invention has the advantages of simple structure, easy assembly and long service life, avoids the malfunction of the drainer caused by the failure of the spring, and is convenient for popularization and use.

Description

A bathtub drainer

technical field

The invention relates to a bathtub drainer.

Background technique

The traditional bathtub drain is generally a mechanical manual structure, which is composed of a downpipe, a bellows pipe, a straight pipe, an overflow elbow and a trapezoidal rubber ring. The downpipe and the overflow elbow are connected through the corrugated pipe and the straight pipe, and a trapezoidal rubber ring is arranged at the joint between the bellows pipe and the straight pipe. When in use, through the screw and nut on the bellows mouth, the trapezoidal rubber ring is pressed to tightly hold the straight pipe to complete the relevant actions. At present, bathtub drains generally have pull-up type, spiral type, flap type and bouncing type.

Some disadvantages of traditional drains:

1) The bouncing type uses a contact reed that is easy to rust and break. Generally, the service life is not long.

2) Manual control is adopted, and the degree of automation is low.

3) The watertightness is poor. Due to the insufficient pressure of watertight compression, there are obvious water leakage phenomena, especially after one year of use, the water leakage is more serious. It is almost impossible to store water in the bathtub for a long time (such as a few days). .

Contents of the invention

The object of the present invention is to provide a bathtub drainer aiming at the defects in the prior art.

In order to achieve the above object, the present invention adopts the following technical proposal: a bathtub drainer, including a chrome-plated copper sewer pipe, an electromagnetic coil is set on the outside of the chrome-plated copper sewer pipe, and a galvanized iron core is screwed into it; the galvanized iron core The lower part of the galvanized iron core is provided with a chrome-plated copper stopper pin; the upper part of the galvanized iron core is successively set with a galvanized compression flat gasket, a hard rubber gasket, a chrome-plated copper plate and a permanent magnet. The drain cover plate bonded with the chrome-plated copper downpipe by epoxy resin.

Further, the permanent magnet is made of NdFeB.

Further, the thickness of the chrome-plated copper plate is 1mm; the thickness of the hard rubber gasket is 2mm.

Beneficial effects of the present invention: the present invention has high degree of automation, simple structure, easy assembly, long service life, avoids failure of the drainer due to failure of the spring, and is convenient for popularization and use. And has the following advantages:

1. After the power supply S1 is turned on and the electromagnetic coil is energized, N-S polarity is formed in the galvanized iron core, so that the N-S polarity of the permanent magnet steel and the N-S polarity of the iron core form the same-sex repulsion effect, thus under the strong electromagnetic force Under the action of forming a fast movement, making the work more reliable and stable.

2. Due to the chrome-plated copper stopper pin, the cover plate of the drainer can bounce up to a preset height; in this way, it is easy to launch the water, and it is also easy to remove sundries by hand.

3. After the power is cut off, the coil will lose power, so that the N-S polarity of the permanent magnet and the iron core will have a strong magnetic field attraction force. Ensure the watertightness of the drain, which is more airtight than the traditional drain.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Detailed ways

As shown in Fig. 1, it is a bathtub drainer, comprising a chrome-plated copper sewer pipe 6, an electromagnetic coil 10 is sheathed on the outside of the chrome-plated copper sewer pipe 6, and a galvanized iron core 7 is screwed into it; The lower part is horizontally provided with chrome-plated copper stopper pin 9; the upper part of the galvanized iron core 7 is sequentially set with galvanized compression flat gasket 5, hard rubber gasket 4, chrome-plated copper plate 3 and permanent magnet steel 2, and the permanent magnet The steel 2 is sheathed with a sewer cover plate 1 bonded to the chrome-plated copper sewer pipe 6 by epoxy resin.

In addition, at the same time, the thickness of the hard rubber gasket 4 is set to 2 mm, and the thickness of the chrome-plated copper plate 3 is set to 1 mm, which can prevent the permanent magnet 2 from being oxidized and rusted by moisture.

When in use, the electromagnetic coil is energized, and the cover plate 1 of the drainer is popped up, so that the bathtub is launched; The water pressure reaches a large order of magnitude, thus ensuring that the bathtub drainer is water-tight. The power supply is in a power-off state when not in use at ordinary times, so it does not use electric energy.

In the figure, before the switch S1 is closed, the circuit is not energized, and the electromagnetic force of the permanent magnet 2 makes the drain cover 1 and the galvanized iron core at the lower end suck together, so that the bathtub drain is closed to store water. When the switch S1 is turned on, the circuit is energized, and after diode rectification, the coil receives a unidirectional direct current, and the electromagnetic force of the permanent magnet 2 forms the same polarity as the magnetic field polarity generated on the galvanized iron core 8 after the electromagnetic coil 10 is energized. function, so that the drainer cover plate 1 bounces up to discharge water. Due to the limit function of the guide rail, the height of the bounce can be controlled at 1.5cm.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (3)

1. A bathtub drainer, characterized in that it comprises a chrome-plated copper sewer pipe, an electromagnetic coil is set outside the chrome-plated copper sewer pipe, and a galvanized iron core is screwed into it; Copper stop pin; the upper part of the galvanized iron core is successively set with a galvanized compression flat gasket, a hard rubber gasket, a chrome-plated copper plate and a permanent magnetic steel. Water piping passes through epoxy bonded drain cover. 2. A bathtub drainer according to claim 1, wherein the permanent magnet is made of NdFeB. 3. A bathtub drainer according to claim 1, wherein the thickness of the chrome-plated copper plate is 1 mm; the thickness of the hard rubber gasket is 2 mm.