CN102683104A - Anti-loosing roll ball switch - Google Patents
Anti-loosing roll ball switch Download PDFInfo
- Publication number
- CN102683104A CN102683104A CN2011100571019A CN201110057101A CN102683104A CN 102683104 A CN102683104 A CN 102683104A CN 2011100571019 A CN2011100571019 A CN 2011100571019A CN 201110057101 A CN201110057101 A CN 201110057101A CN 102683104 A CN102683104 A CN 102683104A
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- CN
- China
- Prior art keywords
- surrounding wall
- housing
- ball switch
- aforementioned
- metal terminal
- 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.)
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- Thermally Actuated Switches (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
Disclosed is an anti-loosing roll ball switch. The roll ball switch comprises a casing, at least one roll ball which is accommodated in the casing and two metal terminals. The casing is provided with at least two grooves and at least two concave rings, the g rooves and the concave rings are formed on an inner surface and are adjacent to two ports, and the depth of each of the concave rings is larger than that of each of the grooves. The metal terminals are used for closing the ports of the casing, and a first inversed hook and a second inversed hook which are formed on an outer surface and in a clamping fit with the grooves and the concave rings respectively are arranged on the metal terminals respectively. And thereby, by means of the concave rings and grooves with different depths, when the metal terminals are out of shapes caused by heat expansion and cold contraction, at least the grooves or the concave rings can be used to maintain a clamping fit relationship with the metal terminals, and then the clamping and fixing effects can be improved, and the aim of preventing looseness can be achieved.
Description
Technical field
The present invention relates to a kind of switch, particularly relate to a kind of rolling effect formation path of ball or anti-loose ball switch that opens circuit of utilizing.
Background technology
Consulting Fig. 1, is example with I321798 number " ball switch " patent of invention of TaiWan, China case of the previous application of this case applicant, mainly comprises a plastic casing 11, two metal terminals 12, and two balls 13.This plastic casing 11 has around an axis and defines a surrounding wall 111 of an axis hole 110, and is formed on two fitting portions 112 at these surrounding wall 111 two ends.Aforementioned metal terminal 12 is enclosed in the two ends of these plastic casing 11 surrounding walls 111 respectively, and has one involutory 121 that engages with this fitting portion 112 respectively.
Whereby, under normal operating condition, these two balls 13 can be in contact with one another and contact respectively two metal terminals 12; Form the conducting loop and be " ON " state; When aforementioned ball 13 receives an external force and influences, can in rolling process, temporarily break away from, form and open circuit and be " OFF " state; Whereby, reach the effect of " ON/OFF " switch control.
Yet, owing to aforementioned metal terminal 12 can expand with heat and contract with cold because of the hot and cold variation of environment, therefore; During normality; Though aforementioned metal terminal 12 can engage with the fitting portion 112 of this plastic casing 11 through aforementioned involutory 121, can be because of thermal expansion, and push this plastic casing 11; Make aforementioned metal terminal 12 that the situation that expands and jump and take off this plastic casing 11 arranged, and in the space that improvement is still arranged aspect the structure steadiness.
Summary of the invention
The object of the present invention is to provide a kind of anti-loose ball switch that can promote the structure steadiness.
Anti-loose ball switch of the present invention comprises a housing, at least one ball, and two metal terminals.This housing has around an axis and defines a surrounding wall of an axis hole; This surrounding wall has two reverse ports; This housing also has at least two chases and at least two scrobicular rings that are formed on inner surface of this surrounding wall and contiguous two ports, and the degree of depth of said scrobicular ring is greater than said chase.This ball is contained in the axis hole of this housing.Two ports of this housing surrounding wall of aforementioned metal terminal sealing, and have the section of setting of setting respectively in this axis hole, and one first overhead kick and one second overhead kick of being formed on outer surface of this section of setting and engaging with said chase, scrobicular ring respectively.
Anti-loose ball switch of the present invention, aforementioned chase is respectively adjacent to the port of this housing, and separated by aforementioned scrobicular ring district.
Anti-loose ball switch of the present invention, the height of this middle part of surrounding wall is a little more than these surrounding wall two ends.
Anti-loose ball switch of the present invention, aforementioned metal terminal also have in abutting connection with this section of setting and are blocked in an end cap on this surrounding wall port.
Anti-loose ball switch of the present invention, this ball have two, between the off position that contacts one of them metal terminal and space respectively and a via positions that contacts one of them metal terminal respectively and be in contact with one another, roll.
Beneficial effect of the present invention is: utilize dark, shallow different scrobicular ring and chase; When the aforementioned metal terminal expands with heat and contract with cold and is out of shape; At least can keep the snap-fit relationship with the aforementioned metal terminal with aforementioned chase or aforementioned scrobicular ring, and then can promote the fixing effect, reach and prevent the purpose that gets loose.
Description of drawings
Fig. 1 is a stereogram of TaiWan, China patent I321798 case;
Fig. 2 is a three-dimensional exploded view, and a preferred embodiment of the ball switch that the present invention one is anti-loose is described;
Fig. 3 is a combination stereogram of this preferred embodiment;
Fig. 4 is a cutaway view of this preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Consult Fig. 2, Fig. 3, and Fig. 4, a preferred embodiment of the ball switch that the present invention is anti-loose comprises a housing 2, two balls 3, and two metal terminals 4.
This housing 2 is to process with plastics at present embodiment, and has around an axis and define a surrounding wall 22 of an axis hole 21, and is formed on two chases 23 and two scrobicular rings 24 of 22 1 inner surfaces 221 of this surrounding wall.This surrounding wall 22 has two reverse ports 222, reaches a middle part 223 a little more than aforementioned port 222.Aforementioned chase 23 is respectively adjacent to the port 222 of this surrounding wall 22, and separated by aforementioned scrobicular ring 24 districts.The degree of depth of aforementioned scrobicular ring 24 is greater than aforementioned chase 23.
The port 222 of aforementioned metal terminal 4 these housings 2 of sealing; And have a section of setting 41 being embedded in this housing 2 axis holes 21 respectively, be blocked in an end cap 42 on these surrounding wall 22 ports 222, and be formed on one first overhead kick 43 and one second overhead kick 44 of this section of setting 41 outer surfaces.This section of setting 41 has and is formed on an end face and an opposed facing cancave cambered surface 411.
During assembling, need only earlier aforementioned ball 3 be received in the axis hole 21 of this housing 2, again the section of setting 41 of aforementioned metal terminal 4 compeled to clamp-on equally the axis hole 21 of this housing 2; Compel to be against the port 222 of this surrounding wall 22 until this end cap 42; At this moment, this first overhead kick 43 can engage with chase 23, the scrobicular ring 24 of relative position respectively with this second overhead kick 44, whereby; The fixing relative position of aforementioned metal terminal 4 and this housing 2, and spacing aforementioned ball 3 can only roll in this axis hole 21.
Under normal condition; The degree of depth is dark and have with second overhead kick 44 of aforementioned metal end 4 and engage unsettled situation though aforementioned scrobicular ring 24 has, yet 4 needs of metal terminal at this moment utilize aforementioned first overhead kick 43 to engage with the chase 23 of this housing 2; Just can reach the purpose of fixed this housing 2 and aforementioned metal terminal 4; Importantly, when aforementioned metal terminal 4 is out of shape because of thermal expansion, though aforementioned first overhead kick 43 might be pushed the surrounding wall 22 of this housing 2 and broken away from aforementioned chase 23; Yet; The metal terminal 4 of this moment be able to go deep into aforementioned scrobicular ring 24 with second overhead kick 44 after expanding, and further reaches the effect of fixing, makes aforementioned metal terminal 4 still be one with firm fixed of this housing 2.
What deserves to be mentioned is that because the height of these housing 2 middle parts 223 is a little more than two-port 222 and end cap 42, therefore, formed drop just can supply the scolder sealing weld.Under normal operating condition, aforementioned ball 3 can be in contact with one another and contact with the cancave cambered surface 411 of aforementioned metal terminal 4 respectively, makes aforementioned metal terminal 4 formation conducting loops and is " ON " state.When aforementioned ball 3 receives an external force and influences; Will be in 411 rollings of cancave cambered surface of aforementioned metal terminal 4; And in rolling process, one of them ball 3 will temporarily break away from relative cancave cambered surface 411, aforementioned metal terminal 4 is formed open circuit and is " OFF " state; Whereby, reach the effect of " ON/OFF " switch control.
Can know that according to the above anti-loose ball switch of the present invention has advantage and effect:
The present invention utilizes dark, shallow different scrobicular ring 24 and chase 23; When aforementioned metal terminal 4 expands with heat and contract with cold and is out of shape; At least can keep the snap-fit relationship with aforementioned metal terminal 4 with aforementioned chase 23 or aforementioned scrobicular ring 24, and then can promote the fixing effect, reach and prevent the purpose that gets loose.
Claims (5)
1. anti-loose ball switch is characterized in that it comprises:
A housing; Have around an axis and define a surrounding wall of an axis hole; This surrounding wall has two reverse ports; This housing also has at least two chases and at least two scrobicular rings that are formed on inner surface of this surrounding wall and contiguous two ports, and the degree of depth of said scrobicular ring is greater than said chase;
At least one ball is contained in the axis hole of this housing; And
Two metal terminals seal two ports of this housing surrounding wall, and have the section of setting of setting in this axis hole respectively, and one first overhead kick and one second overhead kick of being formed on outer surface of this section of setting and engaging with said chase, scrobicular ring respectively.
2. anti-loose ball switch according to claim 1 is characterized in that: said chase is respectively adjacent to the port of this housing, and separated by said scrobicular ring district.
3. anti-loose ball switch according to claim 1 is characterized in that: the height of this middle part of surrounding wall is higher than this surrounding wall two ends.
4. anti-loose ball switch according to claim 1 is characterized in that: said metal terminal also has in abutting connection with this section of setting and is blocked in an end cap on this surrounding wall port.
5. anti-loose ball switch according to claim 1; It is characterized in that: this ball has two, between the off position that contacts one of them metal terminal and space respectively and a via positions that contacts one of them metal terminal respectively and be in contact with one another, rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057101.9A CN102683104B (en) | 2011-03-10 | 2011-03-10 | Anti-loosing roll ball switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057101.9A CN102683104B (en) | 2011-03-10 | 2011-03-10 | Anti-loosing roll ball switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102683104A true CN102683104A (en) | 2012-09-19 |
| CN102683104B CN102683104B (en) | 2015-06-10 |
Family
ID=46814849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110057101.9A Expired - Fee Related CN102683104B (en) | 2011-03-10 | 2011-03-10 | Anti-loosing roll ball switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102683104B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010795A (en) * | 2016-11-02 | 2018-05-08 | 大日科技股份有限公司 | Anti-loose inductive switch and its assemble method |
| CN113764227A (en) * | 2020-06-05 | 2021-12-07 | 大日科技股份有限公司 | Normally open type inductive switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161653A (en) * | 2001-11-27 | 2003-06-06 | Nittei Musen Kk | Normally closed compact vibration sensor |
| CN2732876Y (en) * | 2004-09-10 | 2005-10-12 | 周俊亨 | Plastic connection location component for concrete precasting |
| CN101154533A (en) * | 2006-09-29 | 2008-04-02 | 大日科技股份有限公司 | Ball switch |
| CN101371065A (en) * | 2006-01-11 | 2009-02-18 | Skf美国公司 | Seal assembly with protective filter |
-
2011
- 2011-03-10 CN CN201110057101.9A patent/CN102683104B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161653A (en) * | 2001-11-27 | 2003-06-06 | Nittei Musen Kk | Normally closed compact vibration sensor |
| CN2732876Y (en) * | 2004-09-10 | 2005-10-12 | 周俊亨 | Plastic connection location component for concrete precasting |
| CN101371065A (en) * | 2006-01-11 | 2009-02-18 | Skf美国公司 | Seal assembly with protective filter |
| CN101154533A (en) * | 2006-09-29 | 2008-04-02 | 大日科技股份有限公司 | Ball switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010795A (en) * | 2016-11-02 | 2018-05-08 | 大日科技股份有限公司 | Anti-loose inductive switch and its assemble method |
| CN113764227A (en) * | 2020-06-05 | 2021-12-07 | 大日科技股份有限公司 | Normally open type inductive switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102683104B (en) | 2015-06-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20210310 |