JPH0540412Y2 - - Google Patents
Info
- Publication number
- JPH0540412Y2 JPH0540412Y2 JP1986119411U JP11941186U JPH0540412Y2 JP H0540412 Y2 JPH0540412 Y2 JP H0540412Y2 JP 1986119411 U JP1986119411 U JP 1986119411U JP 11941186 U JP11941186 U JP 11941186U JP H0540412 Y2 JPH0540412 Y2 JP H0540412Y2
- Authority
- JP
- Japan
- Prior art keywords
- case
- back cover
- elastic piece
- jig
- engagement
- 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
Links
- 230000037431 insertion Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/02—Registering or indicating driving, working, idle, or waiting time only
-
- G—PHYSICS
- G12—INSTRUMENT DETAILS
- G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
- G12B9/00—Housing or supporting of instruments or other apparatus
- G12B9/02—Casings; Housings; Cabinets
- G12B9/04—Details, e.g. cover
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Recording Measured Values (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は大型トラツク等の自動車に用いられる
運行記録計に係り、特に駆動部、記録計、チヤー
ト紙等を収納するケースの裏カバー固定装置に関
する。[Detailed description of the invention] [Industrial field of application] The present invention relates to a driving recorder used in automobiles such as large trucks, and in particular to a device for fixing the back cover of a case that houses the drive unit, recorder, chart paper, etc. Regarding.
運行記録計は、一般にエンジン、ミツシヨン等
の車の駆動系より車速等のデータを得、これによ
り内蔵した駆動部を作動させ、記録計によりチヤ
ート紙に車速変化の如き運行記録を行うととも
に、前面の計器により車速等を表示するものであ
る。
A driving recorder generally obtains data such as vehicle speed from the vehicle's drive system such as the engine and transmission, operates a built-in drive unit based on the data, and uses the recorder to record the driving such as changes in vehicle speed on chart paper. The instrument displays vehicle speed, etc.
そして駆動部を内蔵する第１ケースに対して計
器部分を内蔵する第２ケースをヒンジで結合し、
チヤート紙の装着、取出しの際は錠前をあけて第
２ケースを回動させ、第１ケース内を開放させる
のである。もちろん第１ケースの底面は裏カバー
により被覆され、第２ケース前面は前面カバーに
より被覆されているのである。 Then, the second case containing the instrument part is connected to the first case containing the drive unit by a hinge,
When loading or removing chart paper, the lock is opened and the second case is rotated to open the inside of the first case. Of course, the bottom surface of the first case is covered by the back cover, and the front surface of the second case is covered by the front cover.
第６図は上記運行記録計において第２ケース２
より前面カバー及び計器を取り除き、第１ケース
１から裏カバー３を分離して示した斜視図であ
る。 Figure 6 shows the second case 2 in the above operation recorder.
FIG. 2 is a perspective view showing the back cover 3 separated from the first case 1 with the front cover and instruments removed.
第１ケース１内には駆動部４、カウンタ５、配
線板６等が取り付けられており、底部には駆動部
４などを露出させる孔３ａを設けた裏カバー３が
スナツプフアスナ７あるいはネジにて第１ケース
１内の取付ボス８に固着されるのである。 A drive unit 4, a counter 5, a wiring board 6, etc. are installed inside the first case 1, and a back cover 3, which has a hole 3a at the bottom to expose the drive unit 4, etc., is attached with a snap fastener 7 or a screw. 1 is fixed to a mounting boss 8 inside the case 1.
スナツプフアスナ７は第７図に示すように割り
溝ａを有する受筒７ｂと、受筒７ｂ内に圧入され
るピン孔７ｃとからなり、取付ボス８に形成され
た孔８ａに嵌着するものである。 As shown in FIG. 7, the snap fastener 7 consists of a receiver 7b having a split groove a and a pin hole 7c that is press-fitted into the receiver 7b, and is fitted into a hole 8a formed in the mounting boss 8. be.
このような運行記録計では、法律で定められた
特定の技能者のみが修理などの際に分解したりす
るのみであつて、通常使用者など一般の者はケー
スを開閉、分解することができないようになつて
いる。 Such driving recorders can only be disassembled by specific technicians required by law for repairs, etc., and normal users and other people are not allowed to open, close, or disassemble the case. It's becoming like that.
しかし、上記従来の装置では、裏カバー３がス
ナツプフアスナ７やネジなどにより固着されてい
るだけであるから一般人でも容易に取り外すこと
ができる。従つて、裏カバー３が取り外される
と、運行記録の不正や内部機構の故障の原因とな
る恐れがある。
However, in the conventional device described above, the back cover 3 is simply fixed by the snap fasteners 7, screws, etc., and therefore can be easily removed even by an ordinary person. Therefore, if the back cover 3 is removed, there is a risk that the operation record may be fraudulent or the internal mechanism may malfunction.
よつて本考案は、上記従来の問題点に鑑み、ケ
ースと裏カバーとの組立ては容易であつて、その
分離は一般の人では行い難い運行記録計の裏カバ
ー固定装置を提供することを目的としている。 Therefore, in view of the above-mentioned conventional problems, the purpose of the present invention is to provide a back cover fixing device for a driving recorder in which the case and back cover can be easily assembled, but it is difficult for ordinary people to separate them. It is said that
上記目的を達成するため本考案により成された
運行記録計の裏カバー固定装置は、駆動部、記録
計、チヤート紙等を収納する第１ケースと、該第
１ケースに対してヒンジにより回動自在に取付け
られ計器指針、文字板等を収納する第２ケース
と、前記第１ケースの裏面を被覆する裏カバーと
を備えた運行記録計において、前記第１ケース及
び前記裏カバーを合成樹脂材にて形成するととも
に、その一方に係合段部を有する弾性片を、他方
に前記係合段部と係合する係止部をそれぞれ一体
に形成し、前記係合段部に前記係止部を係合して
前記第１ケースと前記裏カバーとを着脱可能に結
合し、前記裏カバーの底面に治具を挿入するため
の治具挿入孔を形成するとともに、前記弾性片
に、前記治具挿入孔に挿入した治具先端が当接し
て前記係合段部と前記係止部との係合を解除する
ように前記弾性片をそらせるテーパ面を形成した
ことを特徴としている。
In order to achieve the above object, the back cover fixing device of the driving recorder according to the present invention includes a first case that houses a drive unit, recorder, chart paper, etc., and a hinge that rotates with respect to the first case. In the driving recorder, the first case and the back cover are made of a synthetic resin material. an elastic piece having an engaging stepped portion on one side, and a locking portion that engages with the engaging stepped portion on the other side, and the locking portion is formed on the engaging stepped portion. A jig insertion hole for inserting a jig is formed in the bottom surface of the back cover, and a jig is inserted into the elastic piece. The present invention is characterized in that a tapered surface is formed to deflect the elastic piece so that the tip of the jig inserted into the tool insertion hole abuts and releases the engagement between the engagement stepped portion and the locking portion.
上記構成により、第１ケースと裏カバーとの結
合は弾性片の係合段部と係止部との係合によつて
行われ、その分解は裏カバーの底面に設けた孔か
ら治具を挿入してその先端を弾性片のテーパ面に
当接させて弾性片をそらせ、係合段部と係止部と
の係合を解除することによつて行われる。
With the above configuration, the first case and the back cover are connected by the engagement between the engagement step part of the elastic piece and the locking part, and the disassembly is performed using a jig through the hole provided on the bottom of the back cover. This is done by inserting the elastic piece, bringing the tip of the elastic piece into contact with the tapered surface of the elastic piece, deflecting the elastic piece, and releasing the engagement between the engagement step and the locking part.
第１図は実施例における第１ケースと裏カバー
３との係合部分を示す断面図である。第１ケース
１はその内周壁１ａにケース底部に向つて延びる
弾性片９を一体に備えており、弾性片９は中央を
くり抜いて形成した係合段部９ａを有している。
FIG. 1 is a sectional view showing an engaging portion between the first case and the back cover 3 in the embodiment. The first case 1 is integrally provided with an elastic piece 9 extending toward the bottom of the case on its inner circumferential wall 1a, and the elastic piece 9 has an engaging stepped portion 9a formed by hollowing out the center.
一方裏カバー３は底面３ａから内方に向つて起
立する係止片１０を一体に備えており、係止片１
０の先端に設けた爪状の係止部１０ａが前記係合
段部９ａに係合している。 On the other hand, the rear cover 3 is integrally provided with a locking piece 10 which stands upright from the bottom surface 3a toward the inside.
A claw-shaped locking portion 10a provided at the tip of the retainer 0 is engaged with the engagement step portion 9a.
これら弾性片９と係止片１０の形状は第２図に
示す如くであり、弾性片９の先端部及び係止片１
０の先端部には各々テーパ面９ｂ，１０ｂが設け
られ、弾性片９のそりを利用して両者を係合させ
る際に円滑に動作するよう工夫されている。 The shapes of the elastic piece 9 and the locking piece 10 are as shown in FIG.
Tapered surfaces 9b and 10b are provided at the tip of each of the elastic pieces 9, respectively, and the curvature of the elastic piece 9 is used to ensure smooth operation when the two are engaged.
また裏カバー３の前記係止片１０の側部には孔
１１が設けられている。この孔はドライバー状の
専用治具挿入孔であつて、第１図に示すように治
具１２を孔１１から挿入することにより、弾性片
９のテーパ面９ｂに治具の先端が当接し、弾性片
９ａをそらせて係合段部９ａと係止部１０ａの係
合を解除することができる。 Further, a hole 11 is provided on the side of the locking piece 10 of the back cover 3. This hole is a dedicated jig insertion hole in the form of a screwdriver, and by inserting the jig 12 through the hole 11 as shown in FIG. The engagement between the engagement step portion 9a and the locking portion 10a can be released by deflecting the elastic piece 9a.
第３図は裏カバー３と第１ケース１とを分離し
て示した底面図で、第１ケース１の底壁１ｂには
孔１ｃが設けられ、この孔１ｃより前記弾性片９
の先端が露出している。従つて、この孔１ｃ内に
係止片１０を挿入するように第１ケース１と裏カ
バー３とを重ね合せれば、係合段部９ａと係止部
１０ａとは自動的に係合する。 FIG. 3 is a bottom view showing the back cover 3 and the first case 1 separated. A hole 1c is provided in the bottom wall 1b of the first case 1, and the elastic piece 9 is inserted through the hole 1c.
The tip is exposed. Therefore, if the first case 1 and the back cover 3 are overlapped so that the locking piece 10 is inserted into the hole 1c, the engagement stepped portion 9a and the locking portion 10a will automatically engage. .
第４図、第５図は本考案の他の実施例を示して
いる。この実施例では裏カバー３の面上に弾性片
９が起立して一体に設けられており、第１ケース
１の周壁内面に段状の係止部１０ａが設けられて
いる。従つて弾性片９の先端に設けた突状の係合
段部９ａが前記係止部１０ａに係合することによ
り、第１ケース１と裏カバー３とは結合されるの
である。 4 and 5 show other embodiments of the present invention. In this embodiment, an elastic piece 9 is integrally provided on the surface of the back cover 3, and a stepped locking portion 10a is provided on the inner surface of the peripheral wall of the first case 1. Therefore, the first case 1 and the back cover 3 are coupled by the protruding engagement step 9a provided at the tip of the elastic piece 9 engaging with the locking portion 10a.
尚、弾性片９の先端部には前記係合段部９ａと
反対方向に突出する解除片９ｃが一体に設けられ
ており、弾性片９の起立部両側に穿つた２個の治
具挿入孔１１より治具１２を挿入すれば、治具１
２が解除片９ｃのテーパ面に当接して弾性片９を
そらせ、係止部１０ａとの係合を解除させる。 A release piece 9c is integrally provided at the tip of the elastic piece 9 and protrudes in the opposite direction to the engagement step 9a, and two jig insertion holes are formed on both sides of the upright part of the elastic piece 9. If jig 12 is inserted from 11, jig 1
2 comes into contact with the tapered surface of the release piece 9c to deflect the elastic piece 9 and release the engagement with the locking part 10a.
尚、上記実施例では弾性片９と係止部１０ａと
を一対しか示してないが、これらは周方向に少な
くとも３ケ所設けられることが好ましい。 Although only one pair of the elastic piece 9 and the locking part 10a are shown in the above embodiment, it is preferable that these are provided at at least three positions in the circumferential direction.
以上説明したように本考案によれば、組立作業
がネジ、スナツプフアスナ等に比べ更に簡単であ
るとともに、分解の仕方を知つている人によつて
は治具を孔に挿入するだけで簡単に分解できる
が、分解の仕方を知らない運転手等にとつてはむ
やみに分解することが困難であり、運行記録計の
不正使用や故障も減少させることができる。ま
た、第１ケース、裏カバーを合成樹脂にて形成し
ているので、装置全体の軽量化も実現できる。
As explained above, according to the present invention, the assembly work is easier than using screws, snap fasteners, etc., and can be easily disassembled by a person who knows how to disassemble by simply inserting a jig into the hole. However, it is difficult for drivers who do not know how to disassemble the device to disassemble it unnecessarily, and it is possible to reduce unauthorized use and breakdown of the driving recorder. Furthermore, since the first case and the back cover are made of synthetic resin, it is possible to reduce the weight of the entire device.
第１〜３図は本考案の第１実施例であり、第１
図は要部断面図、第２図は要部斜視図、第３図は
第２ケース及び裏カバーの底面図である。第４〜
５図は本考案の第２実施例であり、第４図は要部
断面図、第５図は要部分解斜視図である。第６図
は従来の運行記録計における要部装置の分解斜視
図、第７図は第６図の従来装置におけるスナツプ
フアスナ結合手段の断面図である。
１……第１ケース、２……第２ケース、３……
裏カバー、４……駆動部、９……弾性片、９ａ…
…係合段部、９ｂ……テーパ面、９ｃ……解除
片、１０……係止片、１０ａ……係止部、１１…
…治具挿入孔。
Figures 1 to 3 show the first embodiment of the present invention.
The figure is a sectional view of the main part, FIG. 2 is a perspective view of the main part, and FIG. 3 is a bottom view of the second case and the back cover. 4th~
5 shows a second embodiment of the present invention, FIG. 4 is a sectional view of the main part, and FIG. 5 is an exploded perspective view of the main part. FIG. 6 is an exploded perspective view of the main components of the conventional driving recorder, and FIG. 7 is a sectional view of the snap fastener coupling means in the conventional device of FIG. 1...first case, 2...second case, 3...
Back cover, 4... Drive unit, 9... Elastic piece, 9a...
...Engagement step portion, 9b... Tapered surface, 9c... Release piece, 10... Locking piece, 10a... Locking part, 11...
...Jig insertion hole.
Claims (1)
ケースと、該第１ケースに対してヒンジにより回
動自在に取付けられ計器指針、文字板等を収納す
る第２ケースと、前記第１ケースの裏面を被覆す
る裏カバーとを備えた運行記録計において、 前記第１ケース及び前記裏カバーを合成樹脂材
にて形成するとともに、その一方に係合段部を有
する弾性片を、他方に前記係合段部と係合する係
止部をそれぞれ一体に形成し、前記係合段部に前
記係止部を係合して前記第１ケースと前記裏カバ
ーとを着脱可能に結合し、 前記裏カバーの底面に治具を挿入するための治
具挿入孔を形成するとともに、前記弾性片に前記
治具挿入孔に挿入した治具先端が当接して、前記
係合段部と前記係止部との係合を解除するように
前記弾性片をそらせるテーパ面を形成した ことを特徴とする運行記録計の裏カバー固定装
置。[Scope of claim for utility model registration] The first part that houses the drive unit, recorder, chart paper, etc.
A driving recorder comprising a case, a second case that is rotatably attached to the first case by a hinge and stores an instrument pointer, a dial, etc., and a back cover that covers the back of the first case. In this case, the first case and the back cover are formed of a synthetic resin material, and one of the first case and the back cover is integrally formed with an elastic piece having an engagement step and the other with a locking portion that engages with the engagement step. a jig for removably coupling the first case and the back cover by engaging the locking part with the engagement stepped part, and inserting a jig into the bottom surface of the back cover. An insertion hole is formed, and the elastic piece is moved so that the tip of the jig inserted into the jig insertion hole comes into contact with the elastic piece and releases the engagement between the engagement step and the locking part. A back cover fixing device for a driving recorder, characterized by forming a tapered surface for deflection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986119411U JPH0540412Y2 (en) | 1986-08-05 | 1986-08-05 | |
| KR1019870008544A KR910001255B1 (en) | 1986-08-05 | 1987-08-04 | Register |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986119411U JPH0540412Y2 (en) | 1986-08-05 | 1986-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6327823U JPS6327823U (en) | 1988-02-24 |
| JPH0540412Y2 true JPH0540412Y2 (en) | 1993-10-14 |
Family
ID=31006759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986119411U Expired - Lifetime JPH0540412Y2 (en) | 1986-08-05 | 1986-08-05 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0540412Y2 (en) |
| KR (1) | KR910001255B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH056138Y2 (en) * | 1986-09-19 | 1993-02-17 | ||
| JP3135092B2 (en) * | 1992-11-20 | 2001-02-13 | 富士写真フイルム株式会社 | Disassembly method of film unit with lens |
| JP3789182B2 (en) * | 1996-12-13 | 2006-06-21 | 株式会社リコー | Snap-fit engagement structure |
| KR100879159B1 (en) | 2008-08-14 | 2009-01-19 | 장성기 | Treadboard for facilitating the separation of a treadboard sensor |
-
1986
- 1986-08-05 JP JP1986119411U patent/JPH0540412Y2/ja not_active Expired - Lifetime
-
1987
- 1987-08-04 KR KR1019870008544A patent/KR910001255B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR880003265A (en) | 1988-05-16 |
| JPS6327823U (en) | 1988-02-24 |
| KR910001255B1 (en) | 1991-02-26 |
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