JPH04120061U - Print head mounting structure - Google Patents
Print head mounting structureInfo
- Publication number
- JPH04120061U JPH04120061U JP2303791U JP2303791U JPH04120061U JP H04120061 U JPH04120061 U JP H04120061U JP 2303791 U JP2303791 U JP 2303791U JP 2303791 U JP2303791 U JP 2303791U JP H04120061 U JPH04120061 U JP H04120061U
- Authority
- JP
- Japan
- Prior art keywords
- print head
- carriage
- mounting
- piece
- mounting hole
- 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
- 238000001514 detection method Methods 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 241000257465 Echinoidea Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Common Mechanisms (AREA)
- Character Spaces And Line Spaces In Printers (AREA)
Abstract
(57)【要約】
【目的】 印字ヘッドを低コストな構成でかつ容易に着
脱できるようにする。
【構成】 キャリッジ4には、幅方向両端部に嵌合凹部
4bが形成されているとともに両嵌合凹部4b間に取付
孔4cが形成され、かつ取付孔4cに直交する係止孔4
eが形成されている。印字ヘッド1には、嵌合凹部4b
に嵌合する嵌合片1bが形成されているとともに取付孔
4cに挿入される取付片1dが形成されている。取付片
1dには、先端部に係止孔1eが形成され、この係止孔
1eにキャリッジ4の係止孔4eを通してロック板5の
ロック片5bが挿入抜出し自在に係止されるようになっ
ている。
(57) [Summary] [Purpose] To provide a print head with a low-cost configuration and to be easily attachable and detachable. [Structure] The carriage 4 has fitting recesses 4b formed at both ends in the width direction, a mounting hole 4c between both fitting recesses 4b, and a locking hole 4 perpendicular to the mounting hole 4c.
e is formed. The print head 1 has a fitting recess 4b.
A fitting piece 1b that fits into the mounting hole 4c is formed, and a mounting piece 1d that is inserted into the mounting hole 4c is formed. A locking hole 1e is formed at the tip of the mounting piece 1d, and the locking piece 5b of the lock plate 5 is inserted into and removed from the locking hole 1e through the locking hole 4e of the carriage 4. ing.
Description
【0001】0001
本考案は、ガイド軸に摺動自在に支持されたキャリッジへの印字ヘッドの取付 構造に関する。 This invention is based on the installation of a print head on a carriage that is slidably supported on a guide shaft. Regarding structure.
【0002】0002
シリアルプリンタでは、ガイド軸に摺動自在に支持されたキャリッジに印字ヘ ッドが取り付けられ、キャリッジを走行駆動することにより印字ヘッドを紙送り 方向と直角な方向に移動して印字できるようになっている。 In serial printers, the print head is mounted on a carriage that is slidably supported on a guide shaft. The head is attached and the print head is fed by driving the carriage. It is designed to be able to print by moving in a direction perpendicular to the direction.
【0003】 ところで、シリアルプリンタでは、修理時や保守点検時等に必要に応じて印字 ヘッドを着脱できることが好ましく、従来ではビス等の締結部材、あるいは固定 具を介して印字ヘッドをキャリッジに着脱可能に取り付けるようにしていた。0003 By the way, with serial printers, you can print as needed during repairs, maintenance and inspections, etc. It is preferable that the head can be attached and detached, and conventionally it is possible to attach or detach the head using a fastening member such as a screw or a fixing member. The print head is detachably attached to the carriage via a tool.
【0004】 固定具を介して印字ヘッドをキャリッジに取り付ける構造としては、例えば実 公平3−10053号に開示される技術がある。この構造によれば、印字ヘッド に先端部の拡径した係止突起が形成されているとともにキャリッジに印字ヘッド の後退位置で係止突起が挿入抜出し自在とされて印字ヘッドの前進位置で係止突 起を抜出し不可能に係止する係止孔が形成されている。そして、キャリッジに固 定具が印字ヘッドの後方で着脱自在に装着され、固定具を介して印字ヘッドを前 進位置で後退不可能に保持して固定具の着脱によって印字ヘッドを着脱できるよ うになっている。0004 For example, the structure of attaching the print head to the carriage via a fixture is as follows: There is a technique disclosed in Hei 3-10053. According to this structure, the print head A locking protrusion with an enlarged diameter tip is formed on the carriage, and the print head is attached to the carriage. The locking protrusion can be inserted and removed freely in the retracted position of the print head, and the locking protrusion can be inserted and removed freely when the A locking hole is formed that locks the shaft so that it cannot be pulled out. and secure it to the carriage. A fixture is removably attached to the rear of the print head, and the print head is moved forward through the fixture. It is held in the advanced position so that it cannot be retracted, and the print head can be attached and detached by attaching and detaching the fixture. The sea urchin is turning.
【0005】[0005]
ところが、前者の場合には印字ヘッドの取付時に締結部材の締結作業に手間が かかり、後者の場合には印字ヘッドの取付時に係止突起を係止孔に挿入した後に 印字ヘッドを前進位置にスライドさせる必要があるなど、印字ヘッドのスライド 作業が煩わしく、いずれの場合であっても印字ヘッドの着脱作業性が悪い。また 、後者の場合にあっては係止孔を底部の拡径した複雑な形状とする必要があり、 コスト高にもなる。 However, in the former case, it is time-consuming to fasten the fastening members when installing the print head. In the latter case, after inserting the locking protrusion into the locking hole when installing the print head. Sliding the print head, such as when the print head needs to be slid into the forward position. The work is cumbersome, and in either case, the workability of attaching and detaching the print head is poor. Also In the latter case, the locking hole needs to have a complicated shape with an enlarged diameter at the bottom. It also increases costs.
【0006】 本考案は、印字ヘッドを低コストな構成でかつ容易に着脱できる印字ヘッドの 取付構造を提供することを目的とする。[0006] This invention has a print head that has a low-cost configuration and can be easily attached and detached. The purpose is to provide a mounting structure.
【0007】[0007]
本考案は、ガイド軸に摺動自在に支持されたキャリッジへの印字ヘッドの取付 構造であって、キャリッジに形成された取付孔と、印字ヘッドに取付孔へ挿入抜 出し自在に形成された取付突部と、この取付突部に形成された係止部と、この係 止部に取付突部の挿入抜出し方向と交差する方向へ挿入抜出し自在に係止されて 取付孔からの取付突部の抜出しを阻止するロック部材と、を有することを特徴と している。 This invention is based on the installation of a print head on a carriage that is slidably supported on a guide shaft. The structure consists of a mounting hole formed in the carriage, and a print head that can be inserted into and removed from the mounting hole. A mounting protrusion formed to be freely removable, a locking part formed on the mounting protrusion, and a locking portion formed on the mounting protrusion. It is locked in the stop part so that it can be inserted and withdrawn freely in the direction that crosses the insertion and withdrawal direction of the mounting protrusion. A locking member that prevents the mounting protrusion from being removed from the mounting hole. are doing.
【0008】[0008]
本考案に係る印字ヘッドの取付構造によれば、キャリッジの取付孔に印字ヘッ ドの取付突部を挿入し、この挿入状態で取付突部の係止部にロック部材を挿入係 止すれば、ロック部材によって印字ヘッドの取付突部がキャリッジの取付孔に抜 出し不可能に係止され、これによってキャリッジに印字ヘッドが取り付けられる 。この取付状態からは、ロック部材を抜き出して取付突部の係止部から離脱させ れば、印字ヘッドの取付突部がキャリッジの取付孔から抜出し可能となり、この 状態で印字ヘッドの取付突部をキャリッジの取付孔から抜出せば、印字ヘッドが キャリッジから離脱される。 According to the print head mounting structure according to the present invention, the print head is attached to the mounting hole of the carriage. Insert the mounting protrusion of the card, and in this inserted state insert the locking member into the locking part of the mounting protrusion. When the print head is stopped, the locking member will pull out the print head's mounting protrusion into the carriage's mounting hole. is permanently locked, which attaches the print head to the carriage. . From this installed state, pull out the lock member and remove it from the locking part of the mounting protrusion. If so, the mounting protrusion of the print head can be pulled out from the mounting hole of the carriage, and this If you remove the print head mounting protrusion from the carriage mounting hole in this condition, the print head will It is removed from the carriage.
【0009】[0009]
以下、本考案の実施例を図面に基いて説明する。◆ 図1、図2に示されるように印字ヘッド1には、一端部にガイド軸2に摺動自 在に嵌合するU字状の軸受1aが一体に形成されているとともに他端部にガイド 軸2と平行なガイド軸3に摺動自在に嵌合するキャリッジ4がロック部材として のロック板5を介して取り付けられ、ガイド軸2、3に案内されて図示しないプ ラテンと平行に移動可能となっている。 Embodiments of the present invention will be described below with reference to the drawings. ◆ As shown in FIGS. 1 and 2, the print head 1 has a guide shaft 2 at one end that slides automatically. A U-shaped bearing 1a that fits into the shaft is integrally formed, and a guide is attached to the other end. A carriage 4 that is slidably fitted onto a guide shaft 3 parallel to the shaft 2 acts as a locking member. It is attached via the lock plate 5 of the It is possible to move parallel to Latin.
【0010】 キャリッジ4には、上端部にコ字状のベルト受け4aが形成され、このベルト 受け4aにタイミングベルト6の一部が固着されている。タイミングベルト6は 印字ヘッド1の移動方向両側部でプーリー7(図1では片側のプーリーが省略さ れている。)に巻き掛けられている。このタイミングベルト6は図示しないキャ リッジモータの駆動力で回転駆動され、この駆動力を受けてキャリッジ4に移動 力が付与されて印字ヘッド1が走行駆動されるようになっている。0010 A U-shaped belt receiver 4a is formed at the upper end of the carriage 4, and this belt A portion of the timing belt 6 is fixed to the receiver 4a. timing belt 6 There are pulleys 7 on both sides of the print head 1 in the direction of movement (one pulley is omitted in Figure 1). It is. ) is wrapped around. This timing belt 6 is connected to a cap (not shown). It is rotated by the driving force of the ridge motor, and moves to the carriage 4 by receiving this driving force. The print head 1 is driven to travel by applying force.
【0011】 このキャリッジ4には、図3に示されるように印字ヘッド1の取り付け側であ って幅方向両側部に嵌合凹部4bが形成されているとともに両嵌合凹部4b間に 取付孔4cが形成され、かつ図5に示されるように印字ヘッド1の取り付け側と 反対側に取付孔4cと直交して取付孔4cと連通する係止孔4eが形成されてい る。[0011] The carriage 4 has a mounting side for the print head 1 as shown in FIG. Fitting recesses 4b are formed on both sides in the width direction, and there is a space between both fitting recesses 4b. A mounting hole 4c is formed, and as shown in FIG. A locking hole 4e is formed on the opposite side to be perpendicular to the mounting hole 4c and communicate with the mounting hole 4c. Ru.
【0012】 印字ヘッド1には、図3に示されるようにキャリッジ4への取り付け側であっ て幅方向両端部にキャリッジ4の嵌合凹部4bに挿入嵌合される嵌合片1bが形 成されているとともに両嵌合片1b間にキャリッジ4の取付孔4cに挿入係合さ れる1対の係合爪1cが形成され、かつ両係合爪1c間に係合爪1cと共にキャ リッジ4の取付孔4cに挿入される取付突部としての取付片1dが形成されてい る。0012 The print head 1 has a side that is attached to the carriage 4 as shown in FIG. A fitting piece 1b is formed at both ends in the width direction to be inserted and fitted into the fitting recess 4b of the carriage 4. and is inserted into and engaged with the mounting hole 4c of the carriage 4 between the two fitting pieces 1b. A pair of engaging pawls 1c are formed between the two engaging pawls 1c, and the capacitor together with the engaging pawl 1c is formed between the two engaging pawls 1c. A mounting piece 1d is formed as a mounting protrusion to be inserted into the mounting hole 4c of the ridge 4. Ru.
【0013】 嵌合片1bは嵌合凹部4bへの嵌合によって印字ヘッド1をキャリッジ4に対 して位置決めするようになっている。この嵌合片1bは図5に示されるように基 部から先端にかけて次第に薄肉に形成され、ロック板5の取り外し状態で嵌合凹 部4bに挿入抜出し自在とされるようになっている。なお、キャリッジ4の嵌合 凹部4bは嵌合片1bの形状に対応して嵌合片1bの挿入方向に向けて次第に縮 径されている。[0013] The fitting piece 1b connects the print head 1 to the carriage 4 by fitting into the fitting recess 4b. positioning. This fitting piece 1b is attached to the base as shown in FIG. The wall is gradually thinned from the part to the tip, and the fitting recess is formed when the lock plate 5 is removed. It can be freely inserted into and removed from the portion 4b. In addition, when the carriage 4 is fitted The recess 4b gradually contracts in the direction of insertion of the fitting piece 1b in accordance with the shape of the fitting piece 1b. diameter.
【0014】 係合爪1cはキャリッジ4の取付孔4cへの係合によって印字ヘッド1をキャ リッジ4に仮止めするようになっている。キャリッジ4の取付孔4cには、係合 爪1cの挿入方向奥方部を拡径する段部4dが形成され、この段部4dに係合爪 1cが係合されるようになっている。この係合爪1cは互いに接近する方向に弾 性変形可能とされ、ロック板5の取り外し状態でキャリッジ4の取付孔4cに嵌 合片1bの挿入抜出し方向と同方向へ挿入抜出し自在とされるようになっている 。[0014] The engaging claw 1c holds the print head 1 in the carriage by engaging with the mounting hole 4c of the carriage 4. It is designed to be temporarily fixed to ridge 4. The mounting hole 4c of the carriage 4 has an engaging A stepped portion 4d is formed to expand the diameter of the inner part of the claw 1c in the insertion direction, and the engaging claw is attached to this stepped portion 4d. 1c is adapted to be engaged. The engaging claws 1c are elastic in the direction of approaching each other. It is designed to be deformable, and fits into the mounting hole 4c of the carriage 4 when the lock plate 5 is removed. It is designed to be able to be inserted and extracted in the same direction as the insertion and extraction direction of the joint piece 1b. .
【0015】 取付片1dはロック板5の取り外し状態で係合爪1cと共に嵌合片1bの挿入 抜出し方向と同方向にキャリッジ4の取付孔4cに挿入抜出し自在とされるよう になっている。キャリッジ4の取付孔4cには、取付片1dと一方の係合爪1c との間に仕切り板4fが形成され、表裏逆向きからの取付片1dの誤挿入を防止 できるようになっている。すなわち、取付片1dを表裏逆向きからキャリッジ4 の取付孔4cに挿入すると、仕切り板4fに取付片1dが当接して取付片1dの それ以上の挿入が阻止されるようになっている。[0015] The mounting piece 1d is inserted with the engaging piece 1b together with the engaging claw 1c when the lock plate 5 is removed. It is designed to be able to be inserted and extracted freely into the mounting hole 4c of the carriage 4 in the same direction as the extraction direction. It has become. The mounting hole 4c of the carriage 4 has a mounting piece 1d and one engaging claw 1c. A partition plate 4f is formed between the front and back to prevent incorrect insertion of the mounting piece 1d from the reverse direction. It is now possible to do so. In other words, attach the mounting piece 1d to the carriage 4 from the front and back. When inserted into the mounting hole 4c, the mounting piece 1d comes into contact with the partition plate 4f and the mounting piece 1d is inserted into the mounting hole 4c. Further insertion is prevented.
【0016】 この取付片1dは印字ヘッド1の仮止め状態でキャリッジ4の係止孔4eを横 切るようになっている(図5参照)。この取付片1dの先端部には、キャリッジ 4の係止孔4eと対向する部分に係止部としての矩形状の係止孔1eが形成され ている。[0016] This mounting piece 1d crosses the locking hole 4e of the carriage 4 when the print head 1 is temporarily fixed. (See Figure 5). At the tip of this mounting piece 1d, there is a carriage. A rectangular locking hole 1e as a locking portion is formed in a portion facing the locking hole 4e of No. 4. ing.
【0017】 ロック板5は金属板製で、図5乃至図7に示されるように平板状の基板5aの 片側に櫛歯状にロック片5bおよびケーブル押え片5c、5dが形成されている とともに基板5aの一端部に検出板としての検出片5eが形成されている。[0017] The lock plate 5 is made of a metal plate, and as shown in FIGS. A lock piece 5b and cable holding pieces 5c and 5d are formed in a comb-like shape on one side. At the same time, a detection piece 5e as a detection plate is formed at one end of the substrate 5a.
【0018】 ロック片5bはキャリッジ4の係止孔4eを通して印字ヘッド1の係止孔1e に挿入係止されて印字ヘッド1の取付片1dをキャリッジ4の取付孔4cに抜出 し不可能に係止するようになっている。このロック片5bには、基部から先端部 付近にかけて突部5fが絞り形成され、この突部5fによって印字ヘッド1の係 止孔1eに摩擦力で挿入係止されるようになっている。この突部5fは印字ヘッ ド1を仮止め状態から押し込んで印字ヘッド1の嵌合片1bをキャリッジ4の嵌 合凹部4bに嵌合させる役目も有している。すなわち、印字ヘッド1の仮止め状 態で印字ヘッド1の係止孔1eがキャリッジ4の係止孔4eに対して取付片1d の抜出し側に若干量ずれて位置されるようになっている。そして、この仮止め状 態でロック片5bがキャリッジ4の係止孔4eを通して印字ヘッド1の係止孔1 eに挿入されると、突部5fによって印字ヘッド1の係止孔1eがキャリッジ4 の係止孔4eと一致するように印字ヘッド1が押し込まれ、この押し込みによっ てキャリッジ4の嵌合凹部4bに印字ヘッド1の嵌合片1bが嵌合されるように なっている。[0018] The lock piece 5b passes through the locking hole 4e of the carriage 4 and the locking hole 1e of the print head 1. The mounting piece 1d of the print head 1 is inserted and locked into the mounting hole 4c of the carriage 4 and pulled out. This makes it impossible to lock. This lock piece 5b has a section from the base to the tip. A protrusion 5f is formed in the vicinity, and this protrusion 5f prevents the print head 1 from engaging. It is inserted and locked into the stop hole 1e by frictional force. This protrusion 5f is located at the print head. Push in the print head 1 from the temporarily secured state to fit the fitting piece 1b of the print head 1 into the carriage 4. It also has the role of fitting into the fitting recess 4b. In other words, the print head 1 is temporarily fixed. In this state, the locking hole 1e of the print head 1 is aligned with the mounting piece 1d relative to the locking hole 4e of the carriage 4. It is positioned slightly off the extraction side. And this temporary seal In this state, the lock piece 5b passes through the locking hole 4e of the carriage 4 and locks into the locking hole 1 of the print head 1. e, the locking hole 1e of the print head 1 is fixed to the carriage 4 by the protrusion 5f. The print head 1 is pushed in so that it is aligned with the locking hole 4e of the so that the fitting piece 1b of the print head 1 is fitted into the fitting recess 4b of the carriage 4. It has become.
【0019】 ケーブル押え片5c、5dは印字ヘッド1の係止孔1eにロック片5bが挿入 係止された状態で図4に示されるようにキャリッジ4の裏側にその幅方向に並設 され、印字ヘッド1に接続されるフラットケーブル8の保持用として用いられる ようになっている。ケーブル押え片5cは図3に示されるようにキャリッジ4の 外周との間にフラットケーブル8を挾持し、ケーブル押え片5dはその外側でキ ャリッジ4の外周との間にフラットケーブル8を挾持するようになっている。こ のケーブル押え片5c、5dはキャリッジ4の外周面に接離する方向に弾性変形 可能とされ、弾性力でキャリッジ4の外周との間にフラットケーブル8を挾持す るようになっている。フラットケーブル8は図5に示されるように印字ヘッド1 とキャリッジ4との間を通してキャリッジ4の裏側に引き出されるようになって いる。このフラットケーブル8はキャリッジ4の裏側でキャリッジ4の幅方向に 延びるように直角に屈曲され、この屈曲部でケーブル押え片5cとキャリッジ4 の外周との間に挾持されるようになっている。また、フラットケーブル8はキャ リッジ4の裏側での屈曲部からキャリッジ4の幅方向に延びてキャリッジ4の幅 方向端部で反対側に折り返され、この折り返し部でケーブル押え片5dとキャリ ッジ4の外周との間に挾持されるようになっている。ケーブル押え片5dには、 図3にも示されるようにフラットケーブル8の折り返し側に湾曲片5gが形成さ れ、この湾曲片5gによってフラットケーブル8の傷付きが防止されるようにな っている。なお、フラットケーブル8の先端部は図示しない制御回路基板に接続 され、印字ヘッド1の制御用として用いられるようになっている。[0019] The lock piece 5b of the cable holding pieces 5c and 5d is inserted into the locking hole 1e of the print head 1. In the locked state, as shown in FIG. and is used to hold the flat cable 8 connected to the print head 1. It looks like this. The cable holding piece 5c is attached to the carriage 4 as shown in FIG. The flat cable 8 is held between the outer periphery and the cable holding piece 5d is locked on the outside. A flat cable 8 is sandwiched between the carriage 4 and the outer periphery thereof. child The cable holding pieces 5c and 5d are elastically deformed in the direction of approaching and separating from the outer peripheral surface of the carriage 4. The flat cable 8 is held between the outer circumference of the carriage 4 and the outer circumference of the carriage 4 by elastic force. It has become so. The flat cable 8 connects the print head 1 as shown in FIG. and the carriage 4 so that it is pulled out to the back side of the carriage 4. There is. This flat cable 8 runs in the width direction of the carriage 4 on the back side of the carriage 4. The cable holding piece 5c and the carriage 4 are bent at right angles so as to extend. It is designed to be held between the outer periphery of the In addition, the flat cable 8 is The width of the carriage 4 extends from the bent part on the back side of the ridge 4 in the width direction of the carriage 4. It is folded back to the opposite side at the end of the direction, and the cable holding piece 5d and the carrier are It is designed to be held between the outer periphery of the edge 4. The cable holding piece 5d has As shown in FIG. 3, a curved piece 5g is formed on the folded side of the flat cable 8. This curved piece 5g prevents the flat cable 8 from being damaged. ing. Note that the tip of the flat cable 8 is connected to a control circuit board (not shown). and is used for controlling the print head 1.
【0020】 検出片5eは印字ヘッド1の係止孔1eにロック片5bが挿入係止された状態 で図4に示されるように基板5aと共にキャリッジ4の上面に立て掛けられ、ホ ームセンサー10の検出部として用いられるようになっている。キャリッジ4の 上面には、図5に示されるように検出片5eの下端部が嵌入される受け溝4fが 形成され、この受け溝4fによって検出片5eが位置決めされるようになってい る。ホームセンサー10はフォトインターラプター型のセンサーであって、図1 に示されるように受光部10aと発光部10bとを有し、受光部10aと発光部 10bとの間に検出片5eが入り込んだときにこれを検出するようになっている 。[0020] The detection piece 5e is in a state where the lock piece 5b is inserted and locked in the locking hole 1e of the print head 1. As shown in FIG. It is designed to be used as a detection part of the room sensor 10. carriage 4 The upper surface has a receiving groove 4f into which the lower end of the detection piece 5e is inserted, as shown in FIG. The detection piece 5e is positioned by the receiving groove 4f. Ru. The home sensor 10 is a photo interrupter type sensor, and is shown in FIG. As shown in FIG. It is designed to detect when the detection piece 5e enters between the detection piece 10b and the detection piece 5e. .
【0021】 上記の構成によれば、キャリッジ4の嵌合凹部4bに印字ヘッド1の嵌合片1 bを挿入するとともに印字ヘッド1の取付片1dを係合爪1cと共にキャリッジ 4の取付孔4cに挿入し、印字ヘッド1の係合爪1cをキャリッジ4の取付孔4 cの段部4dに係合すれば、印字ヘッド1がキャリッジ4に仮止めされ、この仮 止め状態で印字ヘッド1の係止孔1eにキャリッジ4の係止孔4eを通してロッ ク板5のロック片5bを挿入係止すれば、キャリッジ4の嵌合凹部4bに印字ヘ ッド1の嵌合片1bが嵌合されると同時に印字ヘッド1の取付片1dがキャリッ ジ4の取付孔4cに抜き出し不可能に係止されて印字ヘッド1がキャリッジ4に 固定される。[0021] According to the above configuration, the fitting piece 1 of the print head 1 is fitted into the fitting recess 4b of the carriage 4. b, and at the same time, move the mounting piece 1d of the print head 1 into the carriage together with the engaging claw 1c. 4 into the mounting hole 4c of the carriage 4, and insert the engagement claw 1c of the print head 1 into the mounting hole 4c of the carriage 4. When the print head 1 is engaged with the stepped portion 4d of c, the print head 1 is temporarily fixed to the carriage 4, and this temporary In the stopped state, insert the lock into the locking hole 4e of the carriage 4 through the locking hole 1e of the print head 1. When the lock piece 5b of the locking plate 5 is inserted and locked, the print is inserted into the fitting recess 4b of the carriage 4. At the same time as the fitting piece 1b of the print head 1 is fitted, the mounting piece 1d of the print head 1 is attached to the carriage. The print head 1 is locked in the mounting hole 4c of the carriage 4 so that it cannot be removed. Fixed.
【0022】 印字ヘッド1の固定状態では、ロック板5のケーブル押え片5c、5dとキャ リッジ4との間にフラットケーブル8が挟持されるとともに検出片5eがホーム センサー10の検出部として作用される。[0022] When the print head 1 is fixed, the cable holding pieces 5c and 5d of the lock plate 5 and the cable The flat cable 8 is held between the ridge 4 and the detection piece 5e is placed at the home. It acts as a detection part of the sensor 10.
【0023】 印字ヘッド1の固定状態からは、ロック板5のロック片5bをキャリッジ4の 係止孔4eから抜き出せば、ロック板5のロック片5bが印字ヘッド1の係止孔 1eから抜き出されて印字ヘッド1が仮止め状態となり、この仮止め状態から印 字ヘッド1の嵌合片1bをキャリッジ4の嵌合凹部4bから抜出すとともに印字 ヘッド1の取付片1dを係合爪1cと共にキャリッジ4の取付孔4cから抜出せ ば、印字ヘッド1がキャリッジ4から離脱される。[0023] When the print head 1 is in a fixed state, the lock piece 5b of the lock plate 5 is moved from the carriage 4. When pulled out from the locking hole 4e, the lock piece 5b of the lock plate 5 will fit into the locking hole of the print head 1. 1e, the print head 1 is in a temporarily fixed state, and the print head 1 is removed from this temporarily fixed state. The fitting piece 1b of the character head 1 is pulled out from the fitting recess 4b of the carriage 4, and printing is started. Pull out the mounting piece 1d of the head 1 together with the engagement claw 1c from the mounting hole 4c of the carriage 4. For example, the print head 1 is removed from the carriage 4.
【0024】 このように本実施例では、ロック板5の着脱によって印字ヘッド1を従来のよ うにスライドさせることなく容易に着脱でき、しかも従来のように印字ヘッド1 やキャリッジ4に複雑な形状の取付孔や取付突部を形成する必要もなく、低コス トである。[0024] In this way, in this embodiment, the print head 1 can be controlled by attaching and detaching the lock plate 5 as in the conventional case. It can be easily attached and detached without having to slide the print head 1. There is no need to form complex-shaped mounting holes or mounting protrusions on the carriage 4, resulting in low cost. It is.
【0025】 また、本実施例では、ロック板5にケーブル押え片5c、5dおよび検出片5 eを一体に形成したので、ロック板5がケーブル押え板およびホームセンサー1 0の検出板として兼用されて低コストである。また、ロック板5を金属製の板材 で形成するようにしたので、検出片5eを薄肉な構成で精度良く設けることがで きる。[0025] In addition, in this embodiment, the lock plate 5 includes cable holding pieces 5c, 5d and a detection piece 5. e is formed integrally, so the lock plate 5 is connected to the cable holding plate and the home sensor 1. It is also used as a zero detection plate and is low cost. In addition, the lock plate 5 may be made of a metal plate. Since the detection piece 5e is formed with a thin structure, the detection piece 5e can be provided with high accuracy. Wear.
【0026】[0026]
以上説明したように、本考案に係る印字ヘッドの取付構造によれば、印字ヘッ ドを低コストな構成でかつ容易に着脱できるという優れた効果を有する。 As explained above, according to the print head mounting structure according to the present invention, the print head It has an excellent effect of being a low-cost structure and being easy to attach and detach.
【図面の簡単な説明】[Brief explanation of drawings]
【図1】本考案の実施例を示す印字ヘッド周辺部の平面
図である。FIG. 1 is a plan view of the periphery of a print head showing an embodiment of the present invention.
【図2】図1のA−A線断面図である。FIG. 2 is a sectional view taken along the line AA in FIG. 1;
【図3】図2のB−B線断面図である。FIG. 3 is a sectional view taken along line BB in FIG. 2;
【図4】図1の右側面図である。FIG. 4 is a right side view of FIG. 1.
【図5】図1に対応する展開斜視図である。FIG. 5 is an exploded perspective view corresponding to FIG. 1;
【図6】ロック板の平面図である。FIG. 6 is a plan view of the lock plate.
【図7】ロック板の左側面図である。FIG. 7 is a left side view of the lock plate.
1 印字ヘッド 1d 取付片(取付突部) 1e 係止孔(係止部) 2、3 ガイド軸 4 キャリッジ 4c 取付孔 5 ロック板(ロック部材) 5c、5d ケーブル押え片 5e 検出片 1 Print head 1d Mounting piece (mounting protrusion) 1e Locking hole (locking part) 2, 3 Guide shaft 4 Carriage 4c Mounting hole 5 Lock plate (lock member) 5c, 5d Cable holding piece 5e Detection piece
Claims (3)
ッジへの印字ヘッドの取付構造であって、上記キャリッ
ジに形成された取付孔と、上記印字ヘッドに上記取付孔
へ挿入抜出し自在に形成された取付突部と、上記取付突
部に形成された係止部と、上記係止部に上記取付突部の
挿入抜出し方向と交差する方向へ挿入抜出し自在に係止
されて上記取付孔からの上記取付突部の抜出しを阻止す
るロック部材と、を有することを特徴とする印字ヘッド
の取付構造。1. A structure for mounting a print head on a carriage slidably supported on a guide shaft, wherein a mounting hole is formed in the carriage, and a mounting hole is formed in the print head so that the print head can be inserted into and extracted from the mounting hole. a mounting protrusion formed on the mounting protrusion, a locking part formed on the mounting protrusion, and a locking part that is engaged with the locking part so as to be freely inserted and withdrawn from the mounting hole in a direction intersecting the direction of insertion and withdrawal of the mounting protrusion. and a locking member that prevents the mounting protrusion from being pulled out.
は、上記印字ヘッドに接続されるケーブルの押え板が一
体に形成されていることを特徴とする印字ヘッドの取付
構造。2. The print head mounting structure according to claim 1, wherein the locking member is integrally formed with a holding plate for a cable connected to the print head.
は、上記印字ヘッドの位置を検出するセンサーを作動さ
せる検出板が一体に形成されていることを特徴とする印
字ヘッドの取付構造。3. The print head mounting structure according to claim 2, wherein the locking member is integrally formed with a detection plate that activates a sensor that detects the position of the print head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1991023037U JP2517636Y2 (en) | 1991-04-09 | 1991-04-09 | Printhead mounting structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1991023037U JP2517636Y2 (en) | 1991-04-09 | 1991-04-09 | Printhead mounting structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04120061U true JPH04120061U (en) | 1992-10-27 |
JP2517636Y2 JP2517636Y2 (en) | 1996-11-20 |
Family
ID=31908382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1991023037U Expired - Fee Related JP2517636Y2 (en) | 1991-04-09 | 1991-04-09 | Printhead mounting structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2517636Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02155782A (en) * | 1988-12-09 | 1990-06-14 | Seikosha Co Ltd | Fitting structure of print head |
-
1991
- 1991-04-09 JP JP1991023037U patent/JP2517636Y2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02155782A (en) * | 1988-12-09 | 1990-06-14 | Seikosha Co Ltd | Fitting structure of print head |
Also Published As
Publication number | Publication date |
---|---|
JP2517636Y2 (en) | 1996-11-20 |
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