CN108899247A - Fixing device and liquid level switch - Google Patents
Fixing device and liquid level switch Download PDFInfo
- Publication number
- CN108899247A CN108899247A CN201810939016.7A CN201810939016A CN108899247A CN 108899247 A CN108899247 A CN 108899247A CN 201810939016 A CN201810939016 A CN 201810939016A CN 108899247 A CN108899247 A CN 108899247A
- Authority
- CN
- China
- Prior art keywords
- slot structure
- fixing piece
- accommodating space
- wall
- electrical component
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 239000007787 solid Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 235000014676 Phragmites communis Nutrition 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a fixing device for fixing an electric component and a liquid level switch, wherein a lead electric component such as a reed switch is arranged in the fixing device, the fixing device comprises a shell, an accommodating space is arranged in the shell, the fixing device comprises a fixing piece arranged in the accommodating space, and the electric component is fixed between the outer wall of the fixing piece and the inner wall of the accommodating space through the fixing piece, so that the consistency of the liquid level switch is improved, the production consistency of the liquid level switch is ensured, and the precision of the liquid level switch is improved.
Description
Technical field
It is especially a kind of for improving the fixation of liquid-level switch consistency the present invention relates to fixed device correlative technology field
Device.
Background technique
Liquid-level switch, also referred to as water level switch, liquid level sensor are the switches for controlling liquid level.Formally main point
For contact and contactless.Common non-contact switch has capacitor hydraulic switch, the float type level switch of contact
It is most widely used.Electric pole type liquid-level switch, electronic type liquid-level switch, capacitor hydraulic switch can also be real using contact method
It is existing, tongue tube is also commonly used in liquid-level switch.
It is that tongue tube is usually made into there are two soft magnetic material, without magnetic when the metal spring leaf contact that disconnects, there are also for some
Three reeds as normally-closed contact.These reed contacts are encapsulated in the glass filled with inert gas (such as nitrogen, helium) or vacuum
In glass pipe, the leaf end overlapping encapsulated in parallel in glass tube, and there are certain interval or contact with each other to constitute the normal of switch
It opens or normally-closed contact.
In the prior art, the tongue tube of original liquid-level switch is installed as after being packed into cavity, encapsulating filling, final tongue tube
Position is uncertain, causes tongue tube consistency poor, inconvenient to use.
Summary of the invention
In view of this, the present invention provide it is a kind of for improving the fixation device of liquid-level switch consistency.
In order to achieve the above object, in a first aspect, the present invention adopts the following technical scheme that.
A kind of for fixing the fixation device of electrical component, the fixed device includes shell, is provided in the shell
Accommodating space, the fixed device include the fixing piece being arranged in the accommodating space, by the fixing piece by the electricity
Component is fixed between the outer wall of the fixing piece and the inner wall of the accommodating space.
Preferably, the first slot knot for being positioned to the electrical component is offered on the outer wall of the fixing piece
Structure, and/or, it is provided with lead on the electrical component, is offered on the outer wall of the fixing piece for being carried out to the lead
Second slot structure of positioning.
Preferably, first slot structure is arranged on the side wall of the fixing piece and prolongs along the axial direction of the fixing piece
It stretches, second slot structure is connected to first slot structure, and second slot structure is constructed so that the lead from described
The opening of accommodating space protrudes into and draws the accommodating space from the opening.
Preferably, second slot structure include the first groove portion being connected with one end of first slot structure and with institute
The second connected groove portion of the other end of the first slot structure is stated, first groove portion is solid described in the first lateral edge of the fixing piece
Determine the axial of part and extend to second end from the first end of the fixing piece, then from the end of the second end from the fixing piece
First side extend to second side of the fixing piece, then from the second end of described second side along the fixing piece
The one end for axially extending to first slot structure；Second groove portion the fixing piece described second side from described
The first end that axially extends to the fixing piece of the other end of one slot structure along the fixing piece.
Preferably, third slot structure corresponding with first slot structure, institute are provided on the inner wall of the accommodating space
State the first located space that formation positions the electrical component between the first slot structure and third slot structure；And/or institute
It states and is provided with the 4th slot structure corresponding with second slot structure, second slot structure and the 4th on the inner wall of accommodating space
The second located space positioned to the lead is formed between slot structure.
Preferably, the electrical component is tongue tube.
Second aspect, the present invention adopt the following technical scheme that.
A kind of liquid-level switch, including above-mentioned fixation device, the electrical component is fixed by the fixed device.
The tongue tube, the outer wall of the fixing piece is fixed on by the fixing piece by fixed device provided by the invention
Between the inner wall of the accommodating space, the consistency of liquid-level switch is improved, protects liquid-level switch conformity of production
Card, to improve the precision of liquid-level switch.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the exploded view of the fixation device of specific embodiment of the invention offer；
Fig. 2 shows the sectional views for the fixation device that the specific embodiment of the invention provides；
Fig. 3 shows the sectional view of the fixing piece of specific embodiment of the invention offer；
Fig. 4 shows the fixing piece of specific embodiment of the invention offer and the sectional view of tongue tube；
Fig. 5 shows the sectional view of the shell of specific embodiment of the invention offer；
Fig. 6 shows the shell of specific embodiment of the invention offer and the sectional view of fixing piece.
In figure, 1, shell；11, accommodating space；111, it is open；112, third slot structure；113, the 4th slot structure；2, fixed
Part；21, the first slot structure；22, the second slot structure；221, the first groove portion；222, the second groove portion；23, first end；24, second end；
25, the first side；26, second side；27, the first located space；28, the second located space；3, electrical component；31, lead.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in datail description of the invention.Do not have for a person skilled in the art
The present invention can also be understood completely in the description of these detail sections.In order to avoid obscuring essence of the invention, well known method, mistake
There is no narrations in detail for journey, process, element.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
The present invention provides a kind of for fixing the fixation device of electrical component, shown electrical component such as tongue tube,
After the tongue tube of the prior art is packed into liquid-level switch cavity, encapsulating is needed to fill, but be difficult finally to determine the position of tongue tube, made
Consistency at tongue tube is poor, brings inconvenience to using.In this application, as shown in figures 1 to 6, the fixed device packet
Shell 1 is included, accommodating space 11 is provided in the shell 1, the fixed device includes being arranged in the accommodating space 11
The shapes such as rectangular, round, polygon can be selected in fixing piece 2, the construction of the accommodating space 11, in a preferred embodiment
In, the accommodating space 11 is configured to column, and the fixing piece 2 is configured to corresponding with the columnar accommodating space 11
Solid cylinder or hollow cylinder.The electrical component 3 is fixed on to the outer wall of the fixing piece 2 by the fixing piece 2
Between the inner wall of the accommodating space 11, it is ensured that position of the electrical component 3 in the shell 1 uniformly and one
It causes, reduces the error problem of the electrical component 3 as caused by assembly, improve use reliability.
Further, as shown in Figure 1, being offered on the outer wall of the fixing piece 2 for determining the electrical component 3
First slot structure 21 of position, and/or, it is provided with lead 31 on the electrical component 3, is offered on the outer wall of the fixing piece 2
The second slot structure 22 for being positioned to the lead 31, in the present embodiment, the lead 31 of the electrical component 3
The both ends of the electrical component 3 have been separately connected, and have formed U-shaped structure, it is preferred that at least one described electrical component 3 is arranged
In a side of the U-shaped structure.
Wherein, first slot structure 21 is arranged on the side wall of the fixing piece 2 and prolongs along the axial direction of the fixing piece 2
It stretches, second slot structure 22 is interconnected with first slot structure 21, and second slot structure 22 is constructed so that described
Lead 31 protrudes into from the opening 111 of the accommodating space 11 and draws the accommodating space 11 from the opening 111.Described
The corresponding electrical component 3 of one slot structure 21, the corresponding lead 31 of second slot structure 22, passes through the U-shaped structure
Three sides are respectively sleeved at first slot structure 21 and second slot structure 22, realize the U-shaped structure being fastened on institute
The effect on fixing piece 2 is stated, has reached the effect of stablizing electrical component 3, has improved use reliability.
Further, as shown in figure 3, second slot structure 22 includes being connected with one end of first slot structure 21
First groove portion 221 and the second groove portion 222 being connected with the other end of first slot structure 21, first groove portion 221
Second end is extended to from the first end 23 of the fixing piece 2 along the axial of the fixing piece 2 in the first side 25 of the fixing piece 2
24, it then bends, and extend to the fixing piece from the end of the second end 24 from first side 25 of the fixing piece 2
Then 2 second side 26 axially extends to described first along the fixing piece 2 from the second end 24 of described second side 26
One end of slot structure 21；Second groove portion 222 the fixing piece 2 described second side 26 from first slot structure 21
Other end forms the U-shaped structure along the first end 23 for axially extending to the fixing piece 2 of the fixing piece 2,
In a preferred embodiment, the depth of first slot structure 21 is greater than second slot structure 22, by above structure,
The cell wall of first slot structure 21 can limit the freedom degree of the electric elements 3 in vertical direction, so that space is more
It is compact, reach better fixed effect.
Further, as seen in figures 3-6, it is right with first slot structure 21 to be provided on the inner wall of the accommodating space 11
The third slot structure 112 answered is formed between first slot structure 21 and third slot structure 112 and is carried out to the electrical component 3
First located space 27 of positioning；And/or it is provided on the inner wall of the accommodating space 11 corresponding with second slot structure 22
The 4th slot structure 113, formed between second slot structure 22 and the 4th slot structure 113 and the lead 31 positioned
Second located space 28.It should be noted that at least portion between the inner wall of the accommodating space 11 and the outer wall of the fixing piece 2
Divide and be in contact condition, further, is filled out installing the fixing piece 2 and the electrical component 3 and then carrying out encapsulating
It fills, so that overall structure is more stable.
In a preferred embodiment, the depth of the third trough body structure 112 is greater than the 4th slot structure 113,
In assembling process, the electrical component 3 enters the accommodating space 11 from the opening 111 of the accommodating space 11,
One end of the electrical component 3 can resist the cell wall of the third slot structure 112, same with the cell wall of first slot structure 21
When define the freedom degree of the electrical component 3 in vertical direction, and in the horizontal direction, can adjust according to the actual situation
The distance between whole first slot structure 21 and the third slot structure 112, so that the closer electrical component 3 is in level
Distance on direction has reached better fixed effect, improves the consistency of liquid-level switch, makes liquid-level switch conformity of production
It is guaranteed, to improve the precision of liquid-level switch.
The present invention also provides a kind of liquid-level switches, and including above-mentioned fixation device, the electrical component passes through the fixation
Device is fixed.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from of the invention basic
In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made
It changes, is all included in scope of the presently claimed invention.
Claims (10)
1. a kind of for fixing the fixation device of electrical component, which is characterized in that the fixed device includes shell, the shell
It is inside provided with accommodating space, the fixed device includes the fixing piece being arranged in the accommodating space, passes through the fixing piece
The electrical component is fixed between the outer wall of the fixing piece and the inner wall of the accommodating space.
2. fixed device according to claim 1, which is characterized in that offered on the outer wall of the fixing piece for institute
State the first slot structure that electrical component is positioned, and/or, be provided with lead on the electrical component, the fixing piece it is outer
The second slot structure for being positioned to the lead is offered on wall.
3. fixed device according to claim 2, which is characterized in that the fixing piece is arranged in first slot structure
On side wall and along the axially extending of the fixing piece, second slot structure is connected to first slot structure, second slot
Structure is constructed so that the lead protrudes into from the opening of the accommodating space and draws the accommodating space from the opening.
4. fixed device according to claim 3, which is characterized in that second slot structure includes and the first slot knot
The second groove portion the first connected groove portion of one end of structure and be connected with the other end of first slot structure, first slot
The axial of portion's fixing piece described in the first lateral edge of the fixing piece extends to second end from the first end of the fixing piece, then
Second side that the fixing piece is extended to from the end of the second end from first side of the fixing piece, then from described
The second end of second side is along one end for axially extending to first slot structure of the fixing piece；Second groove portion exists
The other end of described second side of the fixing piece from first slot structure is described along axially extending to for the fixing piece
The first end of fixing piece.
5. fixed device according to claim 2, which is characterized in that be provided on the inner wall of the accommodating space with it is described
The corresponding third slot structure of first slot structure, between first slot structure and third slot structure formed to the electrical component into
First located space of row positioning；And/or
The 4th slot structure corresponding with second slot structure, second slot structure are provided on the inner wall of the accommodating space
And the 4th form the second located space positioned to the lead between slot structure.
6. fixed device according to claim 5, which is characterized in that the depth of the third slot structure is greater than the described 4th
The depth of slot structure.
7. fixation device described in one of -6 according to claim 1, which is characterized in that the inner wall of the accommodating space and described solid
Determine to be at least partially in contact condition between the outer wall of part.
8. fixation device described in one of -6 according to claim 1, which is characterized in that the accommodating space is configured to column, institute
It states fixing piece and is configured to solid cylinder corresponding with the columnar accommodating space or hollow cylinder.
9. fixation device described in one of -6 according to claim 1, which is characterized in that the electrical component is tongue tube.
10. a kind of liquid-level switch, which is characterized in that including fixation device described in any one of claim 1-9, the electricity
Component is fixed by the fixed device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939016.7A CN108899247B (en) | 2018-08-17 | 2018-08-17 | Fixing device and liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939016.7A CN108899247B (en) | 2018-08-17 | 2018-08-17 | Fixing device and liquid level switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108899247A true CN108899247A (en) | 2018-11-27 |
| CN108899247B CN108899247B (en) | 2023-12-26 |
Family
ID=64354730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810939016.7A Active CN108899247B (en) | 2018-08-17 | 2018-08-17 | Fixing device and liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108899247B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005031987A1 (en) * | 2005-07-08 | 2007-01-11 | Stabil Elektronik Gmbh | Float controlled level switch e.g. for liquids, has base with reed switch arranged in it and switching status of reed switch is controlled by movable attachable float and base manufactured from piece of plastic |
| CN102607672A (en) * | 2012-03-26 | 2012-07-25 | 哈姆林电子(苏州)有限公司 | Liquid level sensor |
| US20130327625A1 (en) * | 2012-06-07 | 2013-12-12 | Jason James Davis | Magnetic Float Switch |
| CN204204744U (en) * | 2014-11-05 | 2015-03-11 | 佛山市川东磁电股份有限公司 | A kind of modified node method of magnetic approach switch |
| CN204289261U (en) * | 2015-01-07 | 2015-04-22 | 佛山市川东磁电股份有限公司 | A kind ofly be easy to fixing magnetic approach switch |
| WO2015135128A1 (en) * | 2014-03-11 | 2015-09-17 | 深圳市智优电池集成技术有限公司 | Inline reed switch relay and integrated circuit board |
| CN208655512U (en) * | 2018-08-17 | 2019-03-26 | 珠海格力电器股份有限公司 | Fixing device and liquid level switch |
-
2018
- 2018-08-17 CN CN201810939016.7A patent/CN108899247B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005031987A1 (en) * | 2005-07-08 | 2007-01-11 | Stabil Elektronik Gmbh | Float controlled level switch e.g. for liquids, has base with reed switch arranged in it and switching status of reed switch is controlled by movable attachable float and base manufactured from piece of plastic |
| CN102607672A (en) * | 2012-03-26 | 2012-07-25 | 哈姆林电子(苏州)有限公司 | Liquid level sensor |
| US20130327625A1 (en) * | 2012-06-07 | 2013-12-12 | Jason James Davis | Magnetic Float Switch |
| WO2015135128A1 (en) * | 2014-03-11 | 2015-09-17 | 深圳市智优电池集成技术有限公司 | Inline reed switch relay and integrated circuit board |
| CN204204744U (en) * | 2014-11-05 | 2015-03-11 | 佛山市川东磁电股份有限公司 | A kind of modified node method of magnetic approach switch |
| CN204289261U (en) * | 2015-01-07 | 2015-04-22 | 佛山市川东磁电股份有限公司 | A kind ofly be easy to fixing magnetic approach switch |
| CN208655512U (en) * | 2018-08-17 | 2019-03-26 | 珠海格力电器股份有限公司 | Fixing device and liquid level switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108899247B (en) | 2023-12-26 |
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