CN203312159U - Liquid level switch - Google Patents
Liquid level switch Download PDFInfo
- Publication number
- CN203312159U CN203312159U CN2013204113226U CN201320411322U CN203312159U CN 203312159 U CN203312159 U CN 203312159U CN 2013204113226 U CN2013204113226 U CN 2013204113226U CN 201320411322 U CN201320411322 U CN 201320411322U CN 203312159 U CN203312159 U CN 203312159U
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- CN
- China
- Prior art keywords
- support
- groove
- draw
- level switch
- pillar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a liquid level switch, and belongs to the liquid level sensor field. A traditional installation structure of a liquid level switch and a support is inconvenient to operate and easy to damage. The liquid level switch comprises a pillar, a limiting clamping sheet, a float and an installation mechanism, wherein a sensing element is packaged in the pillar, a magnet ring is embedded in the float provided with a through hole passing through the center of the magnet ring, the pillar is sleeved with the float, and the sensing element is matched with the magnet ring to form a sensing mechanism; the limiting clamping sheet is installed at the bottom of the pillar, the installation mechanism comprises an installation part fixedly installed on the top of the pillar, and two sides of the installation part are respectively provided with clamping grooves corresponding to a support; and the installation part is provided with at least one through hole, the cavity of the through hole is provided with an elastic component provided with a positioning protrusion, and the support is provided with a positioning hole corresponding to the positioning protrusion. When installed, the support is clamped into the clamping groove to form a tight cooperation, the positioning protrusion is located in the positioning hole to form an elastic buckling, the positioning protrusion is in limiting contact with the positioning hole, positioning in each direction can be achieved, operation is simple and firmness is good.
Description
Technical field
The utility model belongs to the liquid level sensor field, especially relevant with liquid-level switch.
Background technology
Liquid-level switch is for realizing the detection of liquid level, application is very extensive in the fields such as household electrical appliance, automobile, as the automatic drain system of ceiling type or movable air conditioner, fluid level control system of automobile etc., liquid-level switch is as a kind of liquid level Automatic Control Component, usually together with executive component (as draining pump etc.), realizes the control of liquid level.Existing liquid-level switch as shown in Figure 1, generally comprise pillar 3 and float 4, in pillar 3, be provided with sensing element, in float 4, be equipped with magnet ring 10 and establish by the through hole at magnet ring center, magnet ring 10 is by same being set on pillar 3 of float 4 bands, float 4 can move on pillar 3, liquid-level switch is installed fixing by support 1, the float 4 of liquid-level switch is positioned at liquid, when the liquid level of liquid raises, float is subjected to buoyancy to rise and move upward with liquid level, when liquid level rises to certain position, magnet ring in float 4 triggers the sensing element 9 in pillar, existing liquid-level switch is installed on plate type support 1 by the nut tightened-up structure 2 on the pillar top, support 1 arranges groove, pillar 3 snaps in groove, use two nuts to the spinning locking bracket, need to be tightened by specialist tools, operation inconvenience, also easy of screwing the excessive screw thread damaged on pillar in installation process, thereby damage liquid-level switch, and support is installed on easy generation vibrations executive component, during operation, can produce vibration, easily make clamp nut loosening, cause column to rock and damage sensing element.
The utility model content
The purpose of this utility model is intended to overcome insecure, the fragile and unhandy defect of the mounting structure of existing liquid-level switch and support, provide a kind of mounting structure simple to operate, firmly liquid-level switch is installed.
For this reason, the utility model is by the following technical solutions: liquid-level switch, comprise pillar, spacing card, float and installing mechanism, described pillar inside is packaged with sensing element, and in described float, bag is embedded with magnet ring, and float is provided with through hole, described through hole passes the magnet ring center, float is set on pillar, and float can move up and down on pillar, and described sensing element and magnet ring are composed of induction mechanism, spacing card is installed on the pillar bottom, described installing mechanism comprises installed part, installed part is fixedly installed in post top portion, the installed part both sides are respectively arranged with the draw-in groove corresponding with described support, it is characterized in that, on described installed part, be provided with at least one perforation, the perforation inner chamber is provided with elastic component, on elastic component, be provided with positioning convex, on described support, be provided with the location hole corresponding with described positioning convex, when the utility model is installed in support, support snaps in draw-in groove formation and closely cooperates, described positioning convex is positioned at described location hole, formation elasticity fastens, positioning convex is contacted with described location hole is spacing, while making installed part be installed on described support, realize the positioning action of all directions, realize firm the installation.
As to technique scheme supplement and perfect, the utility model also comprises following technical characterictic.
Described elastic component comprises stiff end and movable end, stiff end is fixedly connected on described perforation internal chamber wall, movable end is overhung in described perforation inner chamber, and described positioning convex is arranged at the movable end of described elastic component, makes the positioning convex within the specific limits can the elasticity activity.
Described installed part is plank frame, and described elastic component and described installed part are one-body molded, and the relative backing thickness of elastic component thickness is thinner, is conducive to elastic component and produces elastic reaction.
Described positioning convex is bar shape, when installed part is installed on support, makes positioning convex pass the location hole on described support.
Further, described positioning convex is cylindric, and the positioning convex top is provided with inclined-plane, is convenient to positioning convex and snaps in described location hole.
Further, described positioning convex can also be the polygon column, and this positioning convex top is provided with inclined-plane, is convenient to positioning convex and snaps in described location hole.
The draw-in groove notch of described installed part both sides is relative, the draw-in groove groove width is corresponding with described support outer ledge thickness, when installed part is installed on support, this draw-in groove is located up and down to support, distance between two side bayonet slots is corresponding with described support outside width, and described draw-in groove carries out located lateral to support.
The draw-in groove notch of described installed part both sides is opposing, the draw-in groove groove width is corresponding with described support outer ledge thickness, when installed part is installed on support, this draw-in groove is located up and down to support, distance between two side bayonet slots is corresponding with described rack groove width, and described draw-in groove carries out located lateral to support.
Described draw-in groove rear end is provided with limiting plate, and when installed part was installed on support, this limiting plate played the position-limiting action that snaps in the degree of depth to support; The position that draw-in groove is set on the installed part body arranges the technique perforation that connects draw-in groove one side sidewall, and draw-in groove opposite side sidewall is aimed in the technique perforation, while for the installed part injection molded, manufacturing, passes mould and regulates the draw-in groove groove width.
On described pillar, be provided with spacing shoulder, float is movable between spacing card and spacing shoulder.The movable stroke size of float can, according to the actual service condition setting of liquid-level switch, be regulated in the position of described spacing shoulder.
Use the utility model can reach following beneficial effect: by installed part draw-in groove card pushing type mounting structure, with the support installation, carrying out elasticity by elastic component and support is fastened, realization is spacing fixing to the support all directions, do not need to use other professional tools, simple to operation, install firmly, increased useful life.
The accompanying drawing explanation
Fig. 1 is the prior art structural representation.
Fig. 2 is the structural representation of the utility model execution mode one.
Fig. 3 is that Fig. 2 is along described pillar central cross generalized section.
Fig. 4 is that Fig. 2 is along described pillar center longitudinal profile schematic diagram.
Fig. 5 is the generalized section of execution mode two.
In figure, the label of same area is identical.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As Fig. 2 ~ shown in Figure 4, the utility model is installed on a plate type support 1, on support 1, be provided with groove, comprise pillar 3, spacing card 5, float 4 and installing mechanism, described pillar 3 inside are packaged with sensing element 9, the interior bag of described float 4 is embedded with float 10, float 4 is provided with through hole, described through hole passes float 10 centers, float 4 is set on pillar 3, on pillar 3, be provided with spacing shoulder, float 4 moves up and down on pillar 3 movable between spacing card 5 and spacing shoulder, and described sensing element 9 is composed of induction mechanism with float 10, spacing card 5 is installed on pillar 3 bottoms, described installing mechanism comprises installed part 7, installed part 7 is fixedly installed in pillar 3 tops, installed part 7 both sides are respectively arranged with draw-in groove, the draw-in groove notch of both sides is relative, the draw-in groove groove width is corresponding with described support 1 outer ledge thickness, distance between two side bayonet slots is corresponding with described support 1 length of outer side, draw-in groove is stuck in support 1 outer ledge, described draw-in groove is located and located lateral up and down to support 1, the draw-in groove rear end is provided with limiting plate 8, when installed part 7 is installed on support 1, 8 pairs of supports 1 of this limiting plate play the position-limiting action that snaps in the degree of depth, the position that draw-in groove is set on installed part 7 bodies arranges the technique perforation 6 that connects draw-in groove one side sidewall, draw-in groove opposite side sidewall is aimed in technique perforation 6, while for installed part 7 injection moldeds, manufacturing, pass mould and regulate the draw-in groove groove width.On described installed part 7, be provided with a perforation, the perforation inner chamber is equipped with the elastic component 11 of relative support 1 thinner thickness of thickness, elastic component 11 comprises stiff end and movable end, stiff end is fixedly connected on described perforation internal chamber wall, movable end is overhung in described perforation inner chamber, described positioning convex is arranged at the movable end of described elastic component 11, described positioning convex is cylindric, the positioning convex top is provided with inclined-plane, the opposite direction that bevel direction snaps in towards support 1, on described support 1, be provided with location hole corresponding with described positioning convex, when the utility model was installed on support 1, support 1 snapped in draw-in groove and forms and to closely cooperate, draw-in groove is located up and down with described positioning convex and is positioned at described location hole support 1, formation elasticity fastens, positioning convex is contacted with described location hole is spacing, the positioning action of realization to all directions of support 1.
As shown in Figure 5, as another kind of execution mode, the draw-in groove notch of 7 both sides of installed part described in technique scheme is opposing, the draw-in groove groove width is corresponding with support 1 outer ledge thickness, when installed part is installed on support 1, this draw-in groove is located up and down to support 1, and the distance between two side bayonet slots is corresponding with support 1 recess width, and draw-in groove carries out located lateral to support 1.
Claims (10)
1. liquid-level switch, comprise pillar (3), spacing card (5), float (4) and installing mechanism, described pillar (3) inside is packaged with sensing element (9), in float (4), bag is embedded with magnet ring (10), float (4) is provided with through hole, through hole passes magnet ring (10) center, and it is upper that float (4) is set in pillar (3), and described sensing element (9) is composed of induction mechanism with magnet ring (10), spacing card (5) is installed on pillar (3) bottom, described installing mechanism comprises installed part (7), installed part (7) is fixedly installed in pillar (3) top, installed part (7) both sides are respectively arranged with the draw-in groove corresponding with support (1), it is characterized in that: described installed part is provided with at least one perforation on (7), the perforation inner chamber is provided with elastic component (11), elastic component is provided with positioning convex on (11), on support (1), be provided with the location hole corresponding with described positioning convex, when installed part (7) is installed in support (1), support (1) snaps in draw-in groove formation and closely cooperates, described positioning convex is positioned at described location hole, formation elasticity fastens, positioning convex is contacted with described location hole is spacing.
2. liquid-level switch according to claim 1, it is characterized in that: described elastic component (11) comprises stiff end and movable end, stiff end is fixedly connected on described perforation internal chamber wall, and movable end is overhung in described perforation inner chamber, and positioning convex is arranged at the movable end of elastic component (11).
3. liquid-level switch according to claim 2, it is characterized in that: described installed part (7) is plank frame, elastic component (11) is one-body molded with installed part (7), and the relative support of elastic component (11) thickness (1) thinner thickness.
4. liquid-level switch according to claim 3, it is characterized in that: described positioning convex is bar shape, when installed part (7) is installed on support (1), makes positioning convex pass the location hole on support (1).
5. liquid-level switch according to claim 4, it is characterized in that: described positioning convex is cylindric, and the positioning convex top is provided with inclined-plane.
6. liquid-level switch according to claim 4, it is characterized in that: described positioning convex is the polygon column, this positioning convex top is provided with inclined-plane.
7. according to the described liquid-level switch of claim 5 or 6, it is characterized in that: the draw-in groove notch of described installed part (7) both sides is relative, the draw-in groove groove width is corresponding with support (1) outer ledge thickness, and the distance between two side bayonet slots is corresponding with support (1) outside width.
8. liquid-level switch according to claim 7, it is characterized in that: the draw-in groove notch of described installed part (7) both sides is opposing, and the draw-in groove groove width is corresponding with support (1) outer ledge thickness, and the distance between two side bayonet slots is corresponding with support (1) recess width.
9. liquid-level switch according to claim 8, it is characterized in that: described draw-in groove rear end is provided with limiting plate (8), the position that draw-in groove is set on installed part (7) body arranges the technique perforation (6) that connects draw-in groove one side sidewall, and draw-in groove opposite side sidewall is aimed in technique perforation (6).
10. according to claim 8 or claim 9 liquid-level switch, it is characterized in that: described pillar is provided with spacing shoulder on (3), and float (4) is movable between spacing card (5) and spacing shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204113226U CN203312159U (en) | 2013-07-10 | 2013-07-10 | Liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204113226U CN203312159U (en) | 2013-07-10 | 2013-07-10 | Liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312159U true CN203312159U (en) | 2013-11-27 |
Family
ID=49618346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204113226U Expired - Lifetime CN203312159U (en) | 2013-07-10 | 2013-07-10 | Liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312159U (en) |
-
2013
- 2013-07-10 CN CN2013204113226U patent/CN203312159U/en not_active Expired - Lifetime
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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: 20131127 |