CN103871785A - Rubber cap for relay - Google Patents
Rubber cap for relay Download PDFInfo
- Publication number
- CN103871785A CN103871785A CN201310655664.7A CN201310655664A CN103871785A CN 103871785 A CN103871785 A CN 103871785A CN 201310655664 A CN201310655664 A CN 201310655664A CN 103871785 A CN103871785 A CN 103871785A
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- CN
- China
- Prior art keywords
- rubber cap
- terminal
- shell
- relay
- tellite
- 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
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a rubber cap for a relay, and the rubber cap can effectively prevent the transmission of noise transmitted to the side of a printed circuit board through a terminal, and is low in cost. The rubber cap consists of a housing containing the main body of an electromagnetic relay, a terminal bulging from a part under the housing, the printed circuit board connected with the terminal, and a rubber cap body covering the housing. The rubber cap is characterized in that the rubber cap is configured to be in mutual close connection between the part under the housing and the printed cicuit board; meanwhile, the rubber cap consists of a bottom forming a through hole of the terminal and a cylindrical part which covers the whole side surface of the housing from the periphery of the bottom; and the through hole contacts with the terminal in an interference fit manner.
Description
Technical field
The present invention relates to a kind of relay rubber cap.
In addition, the present invention relates to a kind of relay rubber cap that is used in electromagnetic relay, this electromagnetic relay is used in to be needed the vehicle mounted of quietization or anti-usurps etc., is equipped on tellite.
Background technology
Previously, use the structure of the electromagnetic relay of this kind of relay rubber cap, conventionally have as lower member and form electromagnetic relay: electromagnetic relay main body, by making to connect extremely the contact making device that son attracted the electromagnet apparatus that discharges and this electromagnet apparatus of induction to open and close by iron core and form by the coil that is wound in iron core being carried out to excitation; Shell, accommodates electromagnetic relay main body; From the outstanding terminal of shell.Meanwhile, this electromagnetic relay forms following installation constitution: for an end be connected in electromagnetic relay main body and from the outstanding terminal soldering of shell in the conducting channel of tellite, so that the state of the direct butt of shell is equipped on tellite.
And there are the following problems for above-mentioned existing electromagnetic relay.Due to for from the outstanding terminal soldering of shell in the conducting channel of tellite, and so that the state of the direct butt of shell is equipped on tellite, therefore, when the connecing extremely that son is attracted by iron core of electromagnet apparatus and while producing conflict or when the contact butt of contact making device etc., the operation sound producing from electromagnetic relay main body is directly passed to tellite by shell, as the printed circuit substrate unit entirety of carrying electromagnetic relay, the action change of tune is large, and then, if being installed on, this printed circuit substrate unit needs the vehicle mounted of quietization or the anti-device such as usurp, this operation sound more easily spreads out of to outside.
Therefore, the electromagnetic relay of the structure shown in Fig. 3 is proposed.(patent documentation 1)
In order to address the above problem, electromagnetic relay of the present invention has: have electromagnet apparatus and contact making device electromagnetic relay main body (not shown), accommodate the shell 100 of electromagnetic relay main body, from the outstanding terminal 120 of shell 100, being equipped in the electromagnetic relay of tellite 200, form following formation: by resin material lid 400 covering shell 100 entirety processed, make as elastomeric absorption of vibrations material 300 between tellite 200 and resin material lid 400 processed.
But not only complex structure cost rises, and reducing noise effect is inadequate.Its one of the main reasons is, because terminal 120 is insufficient with contacting of absorption of vibrations material 300, therefore can not effectively stop the propagation that is transmitted to the noise of tellite 200 sides by terminal 120.
In addition, although propose the shape by lid 400 as processed in the resin material of Fig. 3 rubber cap covering shell 100 above and the electromagnetic relay of the shape of side entirety, still can not effectively stop the propagation that is transmitted to the noise of tellite 200 sides by terminal 120.
In addition, although also consider lid 400 as processed in resin material by above shell 100, below and the shape of the entirety of side covering, the productivity of rubber cap is poor, time that installation exercise also costs a lot of money, and unrealistic.
Prior art document
Patent documentation
Patent documentation 1: Japan opens clear 60-126954 communique in fact
Summary of the invention
(problem that invention will solve)
The object of the present invention is to provide a kind of relay rubber cap, can effectively stop the propagation that is transmitted to the noise of tellite side by terminal, and cheap.
(technical scheme of technical solution problem)
Relay of the present invention with rubber cap by the shell of accommodating electromagnetic relay main body, outstanding terminal below described shell, be connected with the tellite of described terminal, the rubber cap that covers described shell forms, described relay is characterised in that with rubber cap, described rubber cap is the state configuration mutually to connect airtight below described shell and between described tellite, simultaneously, by forming the bottom of the through hole that described terminal connects and forming from the cylindrical portion that the periphery of described bottom covers the side entirety of described shell, described through hole contacts in the mode with the magnitude of interference with respect to described terminal.
(effect of invention)
The present invention is achieved as follows the effect of record.
According to the relay rubber cap of first aspect present invention, due to rubber cap state configuration mutually to connect airtight below shell and between tellite, simultaneously, by forming the bottom of the through hole that terminal connects and forming from the cylindrical portion of the side entirety of the periphery covering shell of bottom, through hole contacts in the mode with the magnitude of interference with respect to described terminal, therefore, can effectively stop the propagation that is transmitted to the noise of tellite side by terminal, and cheap.
In addition,, according to the relay rubber cap of second aspect present invention, due to the formation that connect airtight the side of formation cylindrical portion and shell, therefore, can effectively stop the noise of propagating from the side of shell.
Accompanying drawing explanation
Fig. 1 is the stereogram of accommodating the shell of electromagnetic relay main body.
Fig. 2 is the profile that the relay rubber cap the present invention relates to is installed on shell shown in Figure 1.
Fig. 3 is the profile of view upper cover upper plate side cover shown in figure 2.
Fig. 4 is the part vertical view of the hole shape that illustrates that the relay terminal of the bottom that is arranged at the relay rubber cap the present invention relates to uses.
Fig. 5 is the profile of the relay-set that relates to of prior art.
Symbol description
1 shell
2 tellites
3 rubber caps
Below 11
12 terminals
13 sides
31 bottoms
32 cylindrical portion
33 top board side covers
311 through holes
312 projections.
Embodiment
Below, to describing for implementing mode of the present invention.
The relay that the present invention relates to the mode of rubber cap as shown in Figure 1, prepare to have and accommodate the shell 1 of electromagnetic relay main body and the structure of 11 outstanding terminals 12 below this shell 1.
Then, as shown in Figure 2, be assembled into the relay rubber cap forming by being connected with the tellite 2 of this terminal 12 and the rubber cap 3 of covering shell 1.
This rubber cap 3 below shell 1 11 and tellite 2 between state configuration mutually to connect airtight, simultaneously, by forming the bottom 31 of the through hole 311 that terminal 12 connects and forming from the cylindrical portion 32 of side 13 entirety of the periphery covering shell 1 of bottom 31, this through hole 311 with respect to terminal 12 with certain magnitude of interference contact.
Therefore, the propagation that is transmitted to the noise of tellite 2 sides by terminal 12 can be effectively stoped, meanwhile, rubber cap 3 can be manufactured at an easy rate.
This through hole 311 is 0～0.5mm with respect to the magnitude of interference of terminal 12, and for the wall thickness of rubber cap 3, more thick more have the effect that noise prevents, but practicality is below 7mm.
In addition, as shown in Fig. 4 a, the hole shape of through hole 311 is not limited to the rectangle similar to the shape of terminal 12, also can be as shown in Figure 4 b, multiple projections 312,312 are set, and form and make the shape of this projection 312,312 with certain magnitude of interference contact terminal 12.
In addition, as shown in Figure 2, the formation of connecting airtight by forming cylindrical portion 32 and the side 13 of shell 1, can stop the noise of propagating from the side of shell effectively.
In addition, in the above-described embodiment, although do not form the shape above of covering shell 1, also can be as shown in Figure 3, form by with shape above top board side cover 33 covering shells 1 of rubber cap 3 same materials.
The material of rubber cap 3 can be according to suitable purposes choice for use, the still butyl rubber of the not sulfur-bearing that preferably attenuating is large from the thermoplastic elastomer (TPE)s such as rubber-like elasticity material or polyester elastomer, thermoplastic polyurethane such as natural rubber (NR), ethylene-propylene-diene rubber (EPDM), butyl rubber, fluorubber, acrylonitrile-butadiene rubber, chlorobutadiene.
In addition, the tan δ of the material of rubber cap 3 is preferably more than 0.3.
In addition, the present invention is not limited to the optimal way for implementing foregoing invention, in the situation that not departing from main idea of the present invention, can adopt other various formations.
(utilizability in industry)
The relay rubber cap the present invention relates to, is used in electromagnetic relay, and this electromagnetic relay is used in to be needed the vehicle mounted of quietization or anti-usurp etc., be equipped on tellite.
Claims (2)
1. a relay rubber cap, by accommodating the shell (1) of electromagnetic relay main body, below described shell (1), (11) outstanding terminal (12), the tellite (2) that is connected with described terminal (12), the rubber cap (3) that covers described shell (1) form, described relay is characterised in that with rubber cap
Described rubber cap (3) state configuration mutually to connect airtight between (11) and described tellite (2) below described shell (1), simultaneously, by forming the bottom (31) of the through hole (311) that described terminal (12) connects and forming from the cylindrical portion (32) that the periphery of described bottom (31) covers side (13) entirety of described shell (1), described through hole (311) contacts in the mode with the magnitude of interference with respect to described terminal (12).
2. relay rubber cap according to claim 1, described cylindrical portion (32) is connected airtight with the described side (13) of described shell (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012275355A JP6048812B2 (en) | 2012-12-18 | 2012-12-18 | Rubber cap for relay |
| JP2012-275355 | 2012-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103871785A true CN103871785A (en) | 2014-06-18 |
| CN103871785B CN103871785B (en) | 2017-04-12 |
Family
ID=50910207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310655664.7A Active CN103871785B (en) | 2012-12-18 | 2013-12-06 | rubber cap for relay |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6048812B2 (en) |
| CN (1) | CN103871785B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086314A (en) * | 2019-06-14 | 2020-12-15 | 现代自动车株式会社 | Low-noise relay |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5998011U (en) * | 1982-12-23 | 1984-07-03 | 三菱重工業株式会社 | steel concrete composite structure |
| JPS6113444U (en) * | 1984-06-28 | 1986-01-25 | 株式会社デンソー | Mounting structure of relay mounted on board |
| JPH08212898A (en) * | 1995-02-03 | 1996-08-20 | Fujitsu Ten Ltd | Sound insulating rubber cap for relay |
| CN101794680A (en) * | 2009-02-02 | 2010-08-04 | 安电株式会社 | Electromagnetic relay |
| CN101813986A (en) * | 2009-02-24 | 2010-08-25 | 株式会社和冠 | Position indicator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6380746U (en) * | 1986-11-14 | 1988-05-27 |
-
2012
- 2012-12-18 JP JP2012275355A patent/JP6048812B2/en active Active
-
2013
- 2013-12-06 CN CN201310655664.7A patent/CN103871785B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5998011U (en) * | 1982-12-23 | 1984-07-03 | 三菱重工業株式会社 | steel concrete composite structure |
| JPS6113444U (en) * | 1984-06-28 | 1986-01-25 | 株式会社デンソー | Mounting structure of relay mounted on board |
| JPH08212898A (en) * | 1995-02-03 | 1996-08-20 | Fujitsu Ten Ltd | Sound insulating rubber cap for relay |
| CN101794680A (en) * | 2009-02-02 | 2010-08-04 | 安电株式会社 | Electromagnetic relay |
| CN101813986A (en) * | 2009-02-24 | 2010-08-25 | 株式会社和冠 | Position indicator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086314A (en) * | 2019-06-14 | 2020-12-15 | 现代自动车株式会社 | Low-noise relay |
| CN112086314B (en) * | 2019-06-14 | 2024-05-31 | 现代自动车株式会社 | Low noise relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103871785B (en) | 2017-04-12 |
| JP2014120358A (en) | 2014-06-30 |
| JP6048812B2 (en) | 2016-12-21 |
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