CN108461336A - The manufacturing method of limit switch - Google Patents
The manufacturing method of limit switch Download PDFInfo
- Publication number
- CN108461336A CN108461336A CN201810116926.5A CN201810116926A CN108461336A CN 108461336 A CN108461336 A CN 108461336A CN 201810116926 A CN201810116926 A CN 201810116926A CN 108461336 A CN108461336 A CN 108461336A
- Authority
- CN
- China
- Prior art keywords
- limit switch
- bar
- lubricating grease
- axis
- opening
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Manufacture Of Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to a kind of manufacturing methods of limit switch.Freezing for the liquid around the opening of head shell is not prevented in external setting individual member.Lubricating grease (13) is coated with around the one end opening (113) outstanding of axis (12), bar (15) is mounted on axis (12), lubricating grease (13) is dissipated by the installation pressure of the bar (15), which fills the gap of head shell (112) and axis (12).
Description
Technical field
The present invention relates to the manufacturing method of limit switch, which has：Head shell has opening；Axis,
It is incorporated in head shell, and one end is protruded from opening；And bar, it is installed in the one end of axis.
Background technology
In order to protect switch portion from the influence of external force, liquid or dust etc., its switch portion is accommodated in by limit switch
In shell.Limit switch has：Axis is incorporated in head shell, and one end is protruded from the opening of head shell；With
And bar, it is installed in the one end of axis.In the limit switch, by the external force from action bodies such as blocks come swingle,
Thus switch portion is opened.On the other hand, when the external force from action body disappears, limit switch is by the power of torsional spring etc.
Bar is set to reset, switch portion closes (referring for example to patent document 1).
【Existing technical literature】
【Patent document】
【Patent document 1】Japanese Patent Laid-Open 2004-247255 bulletins
Invention content
Problems to be solved by the invention
Limit switch without uses sometimes, but in the case of the uses such as cold district, the reset of bar can mostly occur
It is bad.That is, in existing limit switch, since the water droplets such as rain are attached near the opening of head shell and if freezing,
It then can not release link sometimes through the power of torsional spring etc..Therefore, in the prior art, it is proposed that setting lid etc. is so that rain etc.
It does not drench on limit switch itself.
However, in the structure of practical application, lid can not be set sometimes, need the countermeasure for limit switch itself.
The present invention completes to solve the problems, such as described above, it is intended that providing one kind can not be outside
Portion is arranged individual member and prevents the manufacturing method in the limit switch of head shell opening surrounding liquid freezed.
Technical means to solve problem
The manufacturing method of limit switch according to the present invention is characterized in that the limit switch has：Head shell,
It has opening；Axis is incorporated in head shell, and one end is protruded from opening；And bar, it is installed in axis
One end, the manufacturing method have the lubricating grease coating step that lubricating grease is coated with around the one end opening outstanding of axis
Suddenly；And after lubricating grease is coated on around opening, the bar installation steps of mounting rod, due in bar installation steps
The installation of bar and press scattered lubricating grease, the lubricating grease fill head shell and axis gap.
The effect of invention
According to the present invention, due to constituting as described above, can not be prevented outside head in outside setting individual member
Shell opener surrounding liquid freezes.
Description of the drawings
Fig. 1 is the figure for the configuration example for indicating the limit switch involved by embodiments of the present invention 1, and the A of Fig. 1 is to overlook
The B of figure, Fig. 1 is side view.
Fig. 2 is the flow chart of an example for the manufacturing method for indicating the limit switch involved by embodiments of the present invention 1.
Fig. 3 is the lubricating grease application step in the manufacturing method for indicate the limit switch involved by embodiments of the present invention 1
The A of figure, Fig. 3 is vertical view, and the B of Fig. 3 is side view.
Fig. 4 is the side view of the bar installation steps in the manufacturing method for indicate the limit switch involved by embodiments of the present invention 1
Figure.
Fig. 5 is the figure of the usual action example than indicating the limit switch involved by embodiments of the present invention 1.
Fig. 6 is the figure for the coating method for illustrating the lubricating grease in the limit switch of countermeasure 1.
Fig. 7 is the figure for illustrating to freeze to reset experiment.
Fig. 8 is to illustrate that lubricating grease flows down the figure of experiment.
Fig. 9 is the exploded view for the other configuration example for indicating the limit switch involved by embodiments of the present invention 1.
Figure 10 is the figure for the configuration example for indicating the limit switch involved by embodiments of the present invention 2, to indicate head shell week
The side view enclosed.
Figure 11 is the flow chart of an example for the manufacturing method for indicating the limit switch involved by embodiments of the present invention 2.
Specific implementation mode
Hereinafter, embodiments of the present invention are described in detail with reference to attached drawing.
Embodiment 1.
Fig. 1 is the figure for the configuration example for indicating the limit switch 1 involved by embodiments of the present invention 1.In Fig. 1, as limit
Switch 1 shows the limit switch 1 of room external application.
In order to protect switch portion (not shown) from the influence of external force, liquid or dust etc., limit switch 1 receives its switch portion
It is contained in shell 11.As shown in Figure 1, the limit switch 1 has shell 11, axis 12, lubricating grease 13, toothed washer 14, bar 15, bullet
Spring washer 16 and hex nut 17.
Shell 11 is made of the head shell 112 of the main body cover 111 in stowing switch portion and storage axis 12.In addition, such as
Shown in Fig. 3, opening 113 is equipped in head shell 112.In addition, opening 113 is configured to more opposite with the opening 113 than axis 12
Partial diameter is big.
Axis 12 can be pivoted, and the opening 113 of one end from head shell 112 is protruding to the outside, and another side is received
It is contained in head shell 112.In addition, as shown in figure 3, on axis 12, side is formed with the bar mounting portion of mounting rod 15 at one end
121.The bar mounting portion 121 is configured to the part being incorporated in head shell 112 relative to axis 12 and diameter is smaller.Separately
Outside, it on the axis 12 in limit switch 1 without, is set between bar mounting portion 121 and by part that head shell 112 is stored
It is equipped with gap forming portion 122.Gap forming portion 122 is configured to diameter and is more than bar mounting portion 121.The gap forming portion 122 exists
Gap is formed between bar 15 and head shell 112, makes to be attached to the liquid near between bar 15 and head shell 112 and easily flows
It is dynamic.
Lubricating grease 13 is uniformly coated to around the opening 113 of head shell 112, to fill head shell 112
With the gap of axis 12.In addition, using the lubricating grease 13 that low temperature is used as lubricating grease 13.
Bar 15 is installed on axis 12, is rotated by action body 101 of block etc..The bar 15 is equipped with dynamic at one end
The roller 151 for making the abutting of body 101 is equipped with the hole (not shown) that the bar mounting portion 121 of axis 12 can be inserted in the other end.
Toothed washer 14 and spring washer 16 are installed in the front and back of bar 15, play the relaxation for preventing hex nut 17
Effect.Here, using toothed washer 14 and spring washer 16, but not limited to this, can also use other washers.
Bar 15 is fixed on axis 12 by hex nut 17 by being screwed on the bar mounting portion 121 of axis 12.
Then, the manufacturing method of the limit switch 1 with reference to involved by Fig. 2~4 pair embodiment 1 illustrates.In addition, with
Under, only to it is in the manufacturing process of limit switch 1, illustrate with the relevant process of coating of lubricating grease 13.Here, being set as limiting
Process in the manufacturing process of bit switch 1, in addition to the installation procedure of the painting process of lubricating grease 13 and bar 15 is complete
At.
As shown in Fig. 2, in the manufacturing method of limit switch 1, first, profit is coated with around the opening 113 of head shell 112
Consistent lubricant 13 (step ST21, lubricating grease application step).At this point, as shown in figure 3, using syringe etc. from front in opening 113
The lubricating grease 13 of such as 4 points coating specified amounts (such as 1ml) of surrounding.
Then, bar 15 is mounted on axis 12 (step ST22, bar installation steps).At this point, as shown in figure 4, first, by tooth
Shape washer 14, bar 15 and spring washer 16 are passed through in order from the one end of axis 12 to bar mounting portion 121.Then, by hexagonal
Nut 17 is passed through to bar mounting portion 121 and is screwed togather from the one end of axis 12.Bar 15 is fixed on axis 12 as a result,.In addition, passing through
The installation of bar 15, the lubricating grease 13 being coated on around the opening 113 of head shell 112 is pressed by toothed washer 14 to be dissipated, the profit
Consistent lubricant 13 fills the gap of head shell 112 and axis 12.Lubricating grease 13 is uniformly coated to head shell 112 and axis as a result,
12 gap.
As shown in figure 5, in the limit switch 1, rotated by the external force bar 15 from action body 101, thus switch portion
It opens (state of the B of Fig. 5).On the other hand, when the external force from action body 101 disappears, limit switch 1 passes through torsional spring
The reset force of (not shown) etc. and make bar 15 reset, switch portion close (state of the C of Fig. 5).
On the other hand, in existing limit switch, if liquid adheres to and is frozen in around the opening of head shell
Words, then cannot only be resetted by the power bar of torsional spring etc. sometimes.
In contrast, in limit switch 1 involved by embodiment 1, lubricating grease 13 is uniformly coated to head shell 112
With the gap of axis 12.Liquid is difficult to be attached to around the opening 113 of head shell 112 as a result, can prevent from freezing.It is tied
Fruit, even if being capable of release link 15 if limit switch 1 is arranged in the case ofs cold district etc..
It is further possible to expect in the state that bar 15 is mounted on axis 12, to fill between head shell 112 and axis 12
The mode of gap is coated with lubricating grease 13.However, in this case, due to being difficult to confirm the uncoated portion (gap) of lubricating grease 13, making
Industry is unstable.Moreover, in the case that even part is there are the uncoated portion of lubricating grease 13, liquid can also enter and be frozen in this
Part.
In this regard, in the manufacturing method of limit switch 1 involved by embodiment 1, the shape on axis 12 is not installed in bar 15
Under state, lubricating grease 13 is coated with around the opening 113 of head shell 112, by the installation of bar 15, toothed washer 14 spreads out profit
Thus consistent lubricant 13 is coated with lubricating grease 13 in the gap uniformity of head shell 112 and axis 12.Therefore, it is possible to prevent liquid from entering
And the case where being frozen in gap of the head shell 112 with axis 12.
In addition, the lubricating grease 13 for being uniformly coated to the gap of head shell 112 and axis 12 will not be held due to rain etc.
It changes places and flows down.
Then, to for limit switch 1 freeze reset experiment and lubricating grease flow down experiment and illustrate.Here, making
With the limit switch 1 (being equivalent to existing limit switch) of no coating lubricating grease 13, after bar 15 is installed on axis 12
It is coated with the limit switch 1 (limit switch 1 of countermeasure 1) of lubricating grease 13 and is coated with profit before bar 15 is installed on axis 12
The limit switch 1 (limit switch 1 of countermeasure 2) of consistent lubricant 13.In addition, as shown in fig. 6, the limit switch 1 of countermeasure 1 is by bar 15
After on axis 12, it is coated between head shell 112 and axis 12 from front by lubricating grease 13 using syringe 102 is equal
Gap.In addition, the limit switch 1 of countermeasure 2 is the limit switch 1 of manufacturing method manufacture as shown in Figure 2 and acquisition.In addition, countermeasure 1
Limit switch 1 and the coating weight of the lubricating grease 13 in the limit switch 1 of countermeasure 2 be set as certain, such as be set as 1ml etc..
In addition, freezing to reset experiment for limit switch 1 without the coating limit switch 1 of lubricating grease 13, countermeasure 1 and right
The limit switch 1 of plan 2 is implemented respectively.Implement for the limit switch 1 of countermeasure 2 in addition, lubricating grease flows down experiment.
Freeze to reset experiment according to sequence below progress.
As shown in fig. 7, first, it is that vertically limit switch 1 is mounted in thermostat to make the direction of axis 12, and by limit switch
1 bar 15 line 103 is fixed as 45 ° of the angle of (or counter clockwise direction) clockwise.Then, in the state of room temperature
Water is sprayed onto on limit switch 1 with 8cc sprayers.Then, the switch for opening thermostat is cooled to -30 DEG C on one side, on one side every
15 minutes with 8cc sprayers implement four times spraying in order to by freeze.Then, it is placed 12 hours at -30 DEG C.Then, with
Line 103 is cut to triggering and judges whether bar 15 resets within 1 second.In addition, experiment quantity is respectively 3.In addition in Fig. 7
In, symbol 104 indicates that electric signal waveform recorder, symbol 105 indicate power pack.
First, the limit switch 1 and carrying out for no coating lubricating grease 13 freeze to reset experiment the result is that 3 bars 15
All do not resetted within 1 second.I.e., it is known that in the limit switch 1 of no coating lubricating grease 13, if liquid adheres to and is frozen in
Around the opening 113 of head shell 112, then it can not only be resetted by the power bar 15 of torsional spring etc..
Then, carry out freezing for the limit switch 1 of countermeasure 1 resetting experiment the result is that there is 2 bars 15 not have in 3
It is resetted within 1 second.That is, it is considered that in the limit switch 1 of countermeasure 1, the main body of bar 15 as dead angle and lubricating grease 13
Coating operations are unstable, generate deviation.
Then, the result for freezing to reset experiment confirmation 3 is carried out for the limit switch 1 of countermeasure 2 to be resetted.Energy
Enough think, in the limit switch 1 of countermeasure 2, being compared due to the limit switch 1 of whole resets, and countermeasure 1 reduces deviation.
Then, lubricating grease flows down experiment and is carried out according to sequence below.
As shown in figure 8,13 part of lubricating grease of the limit switch 1 for countermeasure 2, is dripped 10ml using syringe 106 in 1 second
Water 107.The operation is repeated 100 times.
Be lubricated for the limit switch 1 of countermeasure 2 fat flow down experiment as a result, not seeing that lubricating grease 13 fully flows down
The phenomenon that.Thus, it is possible to think that there is certain degree effect for rainfall.
In addition, in the above content, as limit switch 1, showing the limit using room external application as shown in Figure 1
The case where switch 1.However it is not limited to which this, can also use other limit switches 1.That is, for example shown in Fig. 9 such
In limit switch 1 within doors, it is not provided with gap forming portion 122 as Fig. 3, the not shape between bar 15 and head shell 112
At gap.For such limit switch 1, also lubricating grease 13 can be uniformly coated to head by method same as described above
Between shell 112 and axis 12.As a result, it is possible to prevent liquid from entering and be frozen between head shell 112 and axis 12.In addition it accords with
Numbers 18 be washer.
As described above, according to the embodiment 1, due to being configured to have in the one end of axis 12 opening 113 outstanding
Around coating lubricating grease 13 lubricating grease application step and bar 15 pacified after coating lubricating grease 13 around opening 113
Bar installation steps on axis 12, and scattered lubricating grease 13 is pressed by the installation of the bar 15 in bar installation steps, so as to the profit
Consistent lubricant 13 fills the gap of head shell 112 and axis 12, therefore, it is possible to not prevented outside head in outside setting individual member
Liquid around the opening 113 of shell 112 freezes.Therefore, though cold district use limit switch 1 the case where lower beam 15
Also it can reset.
Embodiment 2.
In limit switch 1 involved by embodiment 1, the profit in the gap for being coated on head shell 112 and axis 12 is shown
Consistent lubricant 13 exposes in external composition.In this regard, in embodiment 2, show around the opening 113 of head shell 112
The case where being coated with after lubricating grease 13, installing lid 19 that will be covered around the opening 113.
Figure 10 is the figure of the configuration example of the limit switch 1 involved by embodiments of the present invention 2, only shows head shell 112
Around.In limit switch 1 involved by the embodiment 2 shown in Fig. 10, the limit relative to embodiment 1 shown in FIG. 1
Bit switch 1 increases lid 19.Others composition is identical, assigns identical symbol and omits the description.
Lid 19 has the hole (not shown) that can insert of bar mounting portion 121 of axis 12, and after covering coating lubricating grease 13
Around the opening 113 of head shell 112.As the lid 19, such as waterproof and dust-proof existing lid 19 can be used.
Then, the manufacturing method of the limit switch 1 involved by 1 pair of embodiment 2 illustrates referring to Fig.1.In addition with
In lower, only to it is in the manufacturing process of limit switch 1, illustrate with the relevant process of coating of lubricating grease 13.Here, being set as
Process in the manufacturing process of limit switch 1, in addition to the installation procedure of the painting process of lubricating grease 13 and bar 15 is
It completes.
As shown in figure 11, it in the manufacturing method of limit switch 1, first, is coated with around the opening 113 of head shell 112
Lubricating grease 13 (step ST111, lubricating grease application step).At this point, it is same as Fig. 3, using syringe etc. from front in opening 113
Around such as 4 points coating specified amount (such as 1ml) lubricating grease 13.
Then, lid 19 is mounted on head shell 112 (step ST112, lid installation steps).That is, by lid 19 from axis 12
One end by bar mounting portion 121, and cover on head shell 112.Quilt around the opening 113 of head shell 112 as a result,
Lid 19 covers.
Then, bar 15 is mounted on axis 12 (step ST113, bar installation steps).At this point, first, by toothed washer 14,
Bar 15 and spring washer 16 are passed through according to priority from the one end of axis 12 to bar mounting portion 121.Then, by hex nut 17 from
The one end of axis 12 is passed through to bar mounting portion 121 and is screwed togather.Bar 15 is fixed on axis 12 as a result,.In addition, passing through the peace of bar 15
Dress, the lubricating grease 13 being coated on around the opening 113 of head shell 112 is pressed by lid 19 to be dissipated, which fills head
The gap of shell 112 and axis 12.Lubricating grease 13 is uniformly coated to the gap of head shell 112 and axis 12 as a result,.
In this way, in limit switch 1 involved by embodiment 2, it is coated with around the opening 113 of head shell 112
After lubricating grease 13, covered around the opening 113 with lid 19.Liquid is difficult to be attached on head shell 112 as a result, in addition,
Lubricating grease 13 is more difficult to flow.
In addition, the present application in the range of the invention, can carry out the free combination of each embodiment, or it is each
The deformation of the arbitrary inscape of embodiment, or the omission of arbitrary inscape in various embodiments.
Symbol description
1 limit switch
11 shells
12 axis
13 lubricating grease
14 toothed washers
15 bars
16 spring washers
17 hex nuts
18 washers
19 lids
101 action bodies
111 main body covers
112 head shells
113 openings
121 bar mounting portions
122 gap forming portions
151 rollers.
Claims (2)
1. a kind of manufacturing method of limit switch,
The limit switch has：
Head shell has opening；
Axis is incorporated in the head shell, and one end is protruded from the opening；And
Bar is installed in the one end of the axis,
The manufacturing method is characterized in that having：
The lubricating grease application step of lubricating grease is coated with around the one end opening outstanding of the axis；And
After coating lubricating grease around the opening, the bar is installed into bar installation steps on the shaft,
The scattered lubricating grease, the lubricating grease is pressed to fill outside the head by the installation of the bar in the bar installation steps
The gap of shell and the axis.
2. the manufacturing method of limit switch as described in claim 1, which is characterized in that
After being coated with lubricating grease around the opening, for the head shell, installation covers the week of the opening
The lid installation steps of the lid enclosed,
The bar installation steps are implemented after the lid installation steps.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-029876 | 2017-02-21 | ||
| JP2017029876A JP6854665B2 (en) | 2017-02-21 | 2017-02-21 | How to manufacture limit switches |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108461336A true CN108461336A (en) | 2018-08-28 |
| CN108461336B CN108461336B (en) | 2020-03-27 |
Family
ID=63238409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810116926.5A Active CN108461336B (en) | 2017-02-21 | 2018-02-06 | Method for manufacturing limit switch |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6854665B2 (en) |
| CN (1) | CN108461336B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082453U (en) * | 1990-12-28 | 1991-08-07 | 马延绪 | Compound type branch switch of air load |
| JPH04118824A (en) * | 1990-09-10 | 1992-04-20 | Omron Corp | Manufacture of rotary shaft of limit-switch |
| EP0438321A3 (en) * | 1990-01-19 | 1992-08-05 | Omron Corporation | A limit switch and a method for manufacture of a rotary shaft for the limit switch |
| JPH0822743A (en) * | 1994-07-07 | 1996-01-23 | Omron Corp | Rotary limit switch |
| CN2325865Y (en) * | 1998-04-17 | 1999-06-23 | 北京高工机电技术研究所 | Energy storage means for vacuum circuit breaker |
| CN201398023Y (en) * | 2009-04-14 | 2010-02-03 | 曲彦东 | Seal oiling device |
| CN203931881U (en) * | 2014-05-27 | 2014-11-05 | 北京第一机床电器厂有限公司 | A kind of travel switch |
| CN104810171A (en) * | 2014-01-24 | 2015-07-29 | 欧姆龙株式会社 | Switch |
| JP2015204223A (en) * | 2014-04-15 | 2015-11-16 | アズビル株式会社 | limit switch |
| CN105697909A (en) * | 2016-04-19 | 2016-06-22 | 北京航天发射技术研究所 | Low-temperature rotation connector |
-
2017
- 2017-02-21 JP JP2017029876A patent/JP6854665B2/en active Active
-
2018
- 2018-02-06 CN CN201810116926.5A patent/CN108461336B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0438321A3 (en) * | 1990-01-19 | 1992-08-05 | Omron Corporation | A limit switch and a method for manufacture of a rotary shaft for the limit switch |
| JPH04118824A (en) * | 1990-09-10 | 1992-04-20 | Omron Corp | Manufacture of rotary shaft of limit-switch |
| CN2082453U (en) * | 1990-12-28 | 1991-08-07 | 马延绪 | Compound type branch switch of air load |
| JPH0822743A (en) * | 1994-07-07 | 1996-01-23 | Omron Corp | Rotary limit switch |
| CN2325865Y (en) * | 1998-04-17 | 1999-06-23 | 北京高工机电技术研究所 | Energy storage means for vacuum circuit breaker |
| CN201398023Y (en) * | 2009-04-14 | 2010-02-03 | 曲彦东 | Seal oiling device |
| CN104810171A (en) * | 2014-01-24 | 2015-07-29 | 欧姆龙株式会社 | Switch |
| JP2015204223A (en) * | 2014-04-15 | 2015-11-16 | アズビル株式会社 | limit switch |
| CN203931881U (en) * | 2014-05-27 | 2014-11-05 | 北京第一机床电器厂有限公司 | A kind of travel switch |
| CN105697909A (en) * | 2016-04-19 | 2016-06-22 | 北京航天发射技术研究所 | Low-temperature rotation connector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6854665B2 (en) | 2021-04-07 |
| JP2018137086A (en) | 2018-08-30 |
| CN108461336B (en) | 2020-03-27 |
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