CN202501906U - Liquid level sensor - Google Patents
Liquid level sensor Download PDFInfo
- Publication number
- CN202501906U CN202501906U CN2012201163267U CN201220116326U CN202501906U CN 202501906 U CN202501906 U CN 202501906U CN 2012201163267 U CN2012201163267 U CN 2012201163267U CN 201220116326 U CN201220116326 U CN 201220116326U CN 202501906 U CN202501906 U CN 202501906U
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- China
- Prior art keywords
- liquid level
- level sensor
- charge
- person
- hollow slots
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Abstract
The utility model discloses a liquid level sensor comprising a floating ball, wherein the floating ball is connected with the bottom of a buoyancy force bracket; a magnet is arranged at the top of the buoyancy force frame; the buoyancy force frame is in a hollow structure and can be slidably sleeved at the outer side of a main pipe; the main pipe is provided with a hollow cavity with an opening at the top; a reed pipe is internally arranged in the hollow cavity and the reed pipe is connected with a control terminal through an electric wire; the residual space of the hollow cavity is filled with waterproof sealing materials; a base is integrally molded at the top part of the main pipe; and the base is provided with a mounting hole for fixing the liquid level sensor. According to the liquid level sensor disclosed by the utility model, the residual space of the hollow cavity is filled with the waterproof sealing materials so as to achieve the waterproof effect; meanwhile, a pin of the reed pipe is effectively prevented from being oxidized by air in the hollow cavity and the service life of the reed pipe is prolonged; and a limiting bulge, a limiting plug and the like which are additionally arranged can be used for limiting the working range of the liquid level sensor to prevent the floating ball from being separated from a main pipe.
Description
Technical field
The utility model relates to a kind of liquid level sensor, relates in particular to a kind of float-ball type liquid level sensor.
Background technology
At present, the float-ball type liquid level sensor mainly is made up of parts such as ball float, magnet and tongue tubes, and this kind liquid level sensor is to utilize ball float to change synchronously along with liquid level, and ball float drives the magnet displacement, further controls the switch of tongue tube through the displacement of magnet.Existing float-ball type liquid 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 liquid level sensor that increases the service life.
The purpose of the utility model will be achieved through following technical scheme:
A kind of liquid 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, and the remaining space of said cavity is filled with waterproof and sealing material; The said person in charge's top is one-body molded to have a base, and said base is provided with the mounting hole that is used for fixing said liquid level sensor.
Preferably, above-mentioned liquid level sensor, wherein: the person in charge's of said base below 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.
Preferably, above-mentioned liquid level sensor, wherein: the said spacing block set and the said person in charge are one-body molded.
Preferably, above-mentioned liquid level sensor, wherein: said spacing block set is an annular.
Preferably; Above-mentioned liquid 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 liquid level sensor, wherein: 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; Said buoyancy support is provided with the hollow slots of at least one, and 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 liquid level sensor, wherein: said electric wire outer race is provided with the PVC sleeve pipe, an end of said PVC sleeve pipe and said person in charge's butt, the other end and is connected in the ligament butt on the said electric wire.
Preferably, above-mentioned liquid level sensor, wherein: be coated with the magnet cap on the said magnet.
Preferably, above-mentioned liquid level sensor, wherein: said magnet is ring-shaped magnet.
The outstanding effect of the utility model is: the remaining space that the utility model is equipped with the cavity of tongue tube adopts waterproof and sealing material to fill; Reach waterproof effect; Also effectively prevent simultaneously the pin of the air oxidation tongue tube of cavity the inside, prolonged the serviceable life of tongue tube; The spacing block set that adds, spacing latch etc. can limit the working range of liquid level sensor, prevent ball float and are responsible for disengaging; The electric wire periphery has also increased the PVC sleeve pipe, effectively protects electric wire.
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 perspective view of the utility model embodiment;
Fig. 3 is the front view of the utility model embodiment;
Fig. 4 is the side view of the utility model embodiment.
Embodiment
Embodiment:
A kind of liquid level sensor of this enforcement like Fig. 1~shown in Figure 4, 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.Be responsible for that 5 top is one-body molded to have a base 53, base 53 is provided with mounting hole 54, is used for this liquid level sensor is fixed in tank top.Electric wire 7 outer race are provided with PVC sleeve pipe 71, an end of PVC sleeve pipe 71 be responsible for 5 butts, the other end be connected in ligament 72 butts on the electric wire 7, thereby reach spacing purpose.
The remaining space that present embodiment is equipped with the cavity of tongue tube 6 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 liquid level sensor, prevent ball float 1 and are responsible for 5 disengagings; Electric wire 7 peripheries have also increased PVC sleeve pipe 71, effectively protect electric wire 7.
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 (9)
1. a liquid 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, and the remaining space of said cavity is filled with waterproof and sealing material; The said person in charge's top is one-body molded to have a base, and said base is provided with the mounting hole that is used for fixing said liquid level sensor.
2. liquid level sensor according to claim 1 is characterized in that: the person in charge's of said base below 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.
3. liquid level sensor according to claim 2 is characterized in that: the said spacing block set and the said person in charge are one-body molded.
4. liquid level sensor according to claim 2 is characterized in that: said spacing block set is annular.
5. liquid 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.
6. liquid level sensor according to claim 1 is characterized in that: 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; Said buoyancy support is provided with the hollow slots of at least one, and 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.
7. liquid level sensor according to claim 1 is characterized in that: said electric wire outer race is provided with the PVC sleeve pipe, an end of said PVC sleeve pipe and said person in charge's butt, and the other end and is connected in the ligament butt on the said electric wire.
8. liquid level sensor according to claim 1 is characterized in that: be coated with the magnet cap on the said magnet.
9. liquid level sensor according to claim 8 is characterized in that: said magnet is ring-shaped magnet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012201163267U CN202501906U (en) | 2012-03-26 | 2012-03-26 | Liquid level sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012201163267U CN202501906U (en) | 2012-03-26 | 2012-03-26 | Liquid level sensor |
Publications (1)
Publication Number | Publication Date |
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CN202501906U true CN202501906U (en) | 2012-10-24 |
Family
ID=47038517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012201163267U Expired - Lifetime CN202501906U (en) | 2012-03-26 | 2012-03-26 | Liquid level sensor |
Country Status (1)
Country | Link |
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CN (1) | CN202501906U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102607672A (en) * | 2012-03-26 | 2012-07-25 | 哈姆林电子(苏州)有限公司 | Liquid level sensor |
-
2012
- 2012-03-26 CN CN2012201163267U patent/CN202501906U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102607672A (en) * | 2012-03-26 | 2012-07-25 | 哈姆林电子(苏州)有限公司 | Liquid level sensor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20121024 |