JPH027022U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第１実施例を示す前輪デフ装
置の平面断面図、第２図は同要部拡大断面図、第
３図は第２実施例を示す要部断面図、第４図は第
３実施例を示す要部断面図、第５図は第４実施例
を示す要部平面図、第６図乃至第８図は比較例を
示す要部断面図、第９図は先行技術としての要部
断面図である。 ５……デフケース、９……ボス部、１０……軸
受、１３……デフ出力軸、１９……デフ軸受ケー
ス、２１……クラツチ筒、２２……クラツチ部、
２３……クラツチリング、２４……クラツチ部、
２５，２６……係合爪、２７……張出フランジ、
２８……規制段部、２９……戻しバネ、３３……
スラストカラ。 Fig. 1 is a plan sectional view of a front wheel differential device showing the first embodiment of the present invention, Fig. 2 is an enlarged sectional view of the same main part, Fig. 3 is a sectional view of the main part showing the second embodiment, and Fig. 4 is a sectional view of the main part showing the third embodiment, FIG. 5 is a plan view of the main part showing the fourth embodiment, FIGS. 6 to 8 are sectional views of the main part showing the comparative example, and FIG. 9 is the prior art. FIG. 5... Differential case, 9... Boss part, 10... Bearing, 13... Differential output shaft, 19... Differential bearing case, 21... Clutch cylinder, 22... Clutch part,
23...Clutch ring, 24...Clutch part,
25, 26... Engaging claw, 27... Overhanging flange,
28...Restriction stepped portion, 29...Return spring, 33...
Thrust Kara.

Claims (1)

【実用新案登録請求の範囲】 (1) デフ軸受ケース１９に軸受１０を介してデ
フケース５のボス部９が軸支され、デフ軸受ケー
ス１９に挿通状に配設されたデフ出力軸１３上に
、軸方向のみ摺動自在なクラツチ筒２１が套嵌さ
れ、クラツチ筒２１の摺動でデフケース５のボス
部９を固定解放自在とした車両用デフロツク装置
において、前記ボス部９端面に設けられた係合爪
２５に係合する係合爪２６を備えたクラツチリン
グ２３が設けられ、クラツチリング２３の反デフ
ケース５側にクラツチ部２４が設けられ、該クラ
ツチ部２４に係脱自在なクラツチ部２２が前記ク
ラツチ筒２１に設けられ、両クラツチ部２２，２
４を互いに離反する方向に付勢すべく、クラツチ
筒２１とクラツチリング２３間に戻しバネ２９が
設けられ、クラツチリング２３の外周に張出フラ
ンジ２７が設けられると共に、張出フランジ２７
のクラツチ筒２１側端面側に接離自在に当接して
クラツチ筒２１方向への移動を規制する規制段部
２８がデフ軸受ケース１９内周面に形成されてな
ることを特徴とする車両用デフロツク装置。 (2) 前記張出フランジ２７と規制段部２８との
対向面間にスラストカラー３３を介在してなるこ
とを特徴とする請求項第１項記載の車両用デフロ
ツク装置。[Claims for Utility Model Registration] (1) The boss portion 9 of the differential case 5 is pivotally supported by the differential bearing case 19 via the bearing 10, and the boss portion 9 of the differential case 5 is supported on the differential output shaft 13 which is inserted through the differential bearing case 19. , in a vehicle differential lock device in which a clutch tube 21 that is slidable only in the axial direction is fitted, and a boss portion 9 of a differential case 5 can be fixed and released by sliding the clutch tube 21; A clutch ring 23 is provided with an engaging pawl 26 that engages with the engaging pawl 25, a clutch portion 24 is provided on the opposite side of the clutch ring 23 to the differential case 5, and a clutch portion 22 that can be freely engaged and disengaged from the clutch portion 24 is provided. is provided in the clutch cylinder 21, and both clutch parts 22, 2
A return spring 29 is provided between the clutch cylinder 21 and the clutch ring 23 in order to urge the clutch rings 4 away from each other, and a projecting flange 27 is provided on the outer periphery of the clutch ring 23.
A differential lock for a vehicle, characterized in that a regulating step 28 is formed on the inner circumferential surface of a differential bearing case 19, and the regulating step 28 is formed on the inner circumferential surface of a differential bearing case 19, and the regulating step 28 is formed on the inner peripheral surface of a differential bearing case 19. Device. (2) A vehicle deflock device according to claim 1, characterized in that a thrust collar (33) is interposed between opposing surfaces of the projecting flange (27) and the regulating step (28).