CN202501905U

CN202501905U - Water level sensor

Info

Publication number: CN202501905U
Application number: CN2012201162917U
Authority: CN
Inventors: 欧阳胜红
Original assignee: Hamlin Electronics Suzhou Co Ltd
Current assignee: Hamlin Electronics Suzhou Co Ltd
Priority date: 2012-03-26
Filing date: 2012-03-26
Publication date: 2012-10-24
Anticipated expiration: 2022-03-26

Abstract

The utility model discloses a water level sensor. The water level sensor comprises a floating ball connected with the bottom of a buoyancy support, a magnet is arranged at the top of the buoyancy support, the buoyancy support is in a hollow structure and capable of being sleeved on the outer side of a main pipe in a relative sliding mode; the main pipe is provided with a cavity which is provided with an opening at the top, and a reed switch is arranged in the cavity and connected with a control terminal through an electric wire; the free space of the cavity is filled with a waterproof sealing material and the outer wall of the main pipe is provided with a limiting protruding block for limiting through abutting against the top of the buoyancy support; a thread and a nut corresponding to the thread are arranged on the outer wall of the main pipe arranged above the limiting protruding block, and clamping fixation of the water level sensor is achieved through the matching of the nut with the limiting protruding block. According to the water level sensor, installation fixation of the water level sensor is achieved through the matching of the nut with the limiting protruding block, and the sensor is simple in structure and convenient to use.

Description

Level sensor

Technical field

The utility model relates to a kind of level sensor, relates in particular to a kind of float-ball type level sensor.

Background technology

At present, the float-ball type level sensor mainly is made up of parts such as ball float, magnet and tongue tubes, and this kind level sensor is to utilize ball float to change synchronously along with water level, and ball float drives the magnet displacement, further controls the switch of tongue tube through the displacement of magnet.Existing float-ball type level sensor is owing to will be placed in the water tank; Usually adopt sealing gasket to come the cavity of ccontaining tongue tube is carried out water-proofing treatment, but the time one is long, the pin of the air meeting oxidation tongue tube of cavity the inside; Make entire product lose function, reduce its serviceable life.

The utility model content

In view of the defective that above-mentioned prior art exists, the purpose of the utility model is to propose a kind of have good waterproof effect and the level sensor that increases the service life.

The purpose of the utility model will be achieved through following technical scheme:

A kind of level sensor comprises a ball float, and said ball float is connected with the bottom of a buoyancy support, and the top of said buoyancy support is provided with magnet; Said buoyancy support is a hollow structure, and can be socketed on a person in charge the outside relatively slidably; The said person in charge has open-topped cavity, is provided with a tongue tube in the said cavity, and said tongue tube is connected with a control terminal through electric wire; The remaining space of said cavity is filled with waterproof and sealing material, and the said person in charge's outer wall is provided with to be used for offseting with the top of said buoyancy support and contacts and the spacing block set of stop bit; The person in charge's of said spacing block set top outer wall is provided with screw thread, and the nut corresponding with said screw thread, and said level sensor cooperates with said nut through said spacing block set to be realized gripping.

Preferably, above-mentioned level sensor, wherein: the said spacing block set and the said person in charge are one-body molded.

Preferably, above-mentioned level sensor, wherein: said spacing block set is an annular.

Preferably; Above-mentioned level sensor; Wherein: said buoyancy support is provided with the hollow slots of at least one; Said hollow slots is consistent with the direction that said floating bracket slides relatively, and the said person in charge's bottom is provided with the spacing latch corresponding with said hollow slots, and said spacing latch stretches out said hollow slots.

Preferably, above-mentioned level sensor, wherein: be coated with the magnet cap on the said magnet.

Preferably, above-mentioned level sensor, wherein: said magnet is ring-shaped magnet.

The outstanding effect of the utility model is: the utility model matches with spacing block set through nut and realizes installing and fixing of level sensor, and is simple in structure, easy to use; The remaining space that the cavity of tongue tube is housed adopts waterproof and sealing material to fill, and reaches waterproof effect, also effectively prevents the pin of the air oxidation tongue tube of cavity the inside simultaneously, has prolonged the serviceable life of tongue tube; The spacing block set that adds, spacing latch etc. can limit the working range of level sensor, prevent ball float and are responsible for disengaging.

Following constipation closes the embodiment accompanying drawing, the embodiment of the utility model is done further to detail, so that the utility model technical scheme is easier to understand, grasp.

Description of drawings

Fig. 1 is the cut-open view of the utility model embodiment;

Fig. 2 is the sectional perspective structural representation of the utility model embodiment;

Fig. 3 is the side view of the utility model embodiment.

Embodiment

Embodiment:

A kind of level sensor of this enforcement like Fig. 1～shown in Figure 3, comprises ball float 1, and ball float 1 is connected with the bottom of buoyancy support 2, and the top of buoyancy support 2 is provided with magnet 3; Magnet 3 is ring-shaped magnet, is coated with magnet cap 4 on the magnet 3.Buoyancy support 2 is a hollow structure, and can be socketed on the person in charge 5 the outside relatively slidably; Be responsible for 5 and have open-topped cavity, be provided with tongue tube 6 in the cavity, tongue tube 6 is connected with control terminal 8 through electric wire 7; The remaining space of cavity is filled with waterproof and sealing material.Be responsible for 5 outer wall and be provided with to be used for offseting with the top of buoyancy support 2 and contact and the spacing block set 51 of stop bit, spacing block set 51 be annular, and one-body molded with the person in charge 5.Be provided with two hollow slots 21 on the buoyancy support 2 relatively, the directions that hollow slots 21 and floating bracket 2 slides relatively are consistent, and the person in charge 5 bottom is provided with two spacing latches 52 corresponding with hollow slots 21, and spacing latch 52 stretches out hollow slots 21.The person in charge's 5 of spacing block set 51 tops outer wall is provided with screw thread 53; And the nut 54 corresponding with screw thread 53; Be responsible for 5 and pass the circular hole that tank top is reserved, the nut 54 of screwing then, 54 cooperations are clamped and fastened on tank top with this level sensor with nut through spacing block set 51.

Present embodiment matches with spacing block set 51 through nut 54 and realizes installing and fixing of level sensor, and is simple in structure, easy to use; The remaining space that the cavity of tongue tube 6 is housed adopts waterproof and sealing material to fill, and reaches waterproof effect, also effectively prevents the pin of the air oxidation tongue tube 6 of cavity the inside simultaneously, has prolonged the serviceable life of tongue tube 6; The spacing block set 51 that adds, spacing latch 52 etc. can limit the working range of level sensor, prevent ball float 1 and are responsible for 5 disengagings.

The utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming all drop within the protection domain of the utility model.

Claims

1. a level sensor comprises a ball float, it is characterized in that: said ball float is connected with the bottom of a buoyancy support, and the top of said buoyancy support is provided with magnet; Said buoyancy support is a hollow structure, and can be socketed on a person in charge the outside relatively slidably; The said person in charge has open-topped cavity, is provided with a tongue tube in the said cavity, and said tongue tube is connected with a control terminal through electric wire; The remaining space of said cavity is filled with waterproof and sealing material, and the said person in charge's outer wall is provided with to be used for offseting with the top of said buoyancy support and contacts and the spacing block set of stop bit; The person in charge's of said spacing block set top outer wall is provided with screw thread, and the nut corresponding with said screw thread, and said level sensor cooperates with said nut through said spacing block set to be realized gripping.

2. level sensor according to claim 1 is characterized in that: the said spacing block set and the said person in charge are one-body molded.

3. level sensor according to claim 1 is characterized in that: said spacing block set is annular.

4. level sensor according to claim 1; It is characterized in that: said buoyancy support is provided with the hollow slots of at least one; Said hollow slots is consistent with the direction that said floating bracket slides relatively; The said person in charge's bottom is provided with the spacing latch corresponding with said hollow slots, and said spacing latch stretches out said hollow slots.

5. level sensor according to claim 1 is characterized in that: be coated with the magnet cap on the said magnet.

6. level sensor according to claim 5 is characterized in that: said magnet is ring-shaped magnet.