JPS623379U

JPS623379U -

Info

Publication number: JPS623379U
Application number: JP9514085U
Authority: JP
Priority date: 1985-06-25
Filing date: 1985-06-25
Publication date: 1987-01-10
Also published as: JPH0215746Y2

Description

[Brief explanation of the drawing]

第１図は、本考案の１実施例を装着した貨物車
の一部を示す一部切断正面図、第２図は、第１図
の矢印ＩＩの方向に見た側面図、第３図は、ばね
特性の１例を示す線図、第４図は、本考案の他の
実施例を示す一部の縦断面図である。５……アオリ戸、６……鳥居、１１……ばね筒
、１２，２１，２３……コイルばね、１３……プ
ルロツド、１４……受け部材、１５……ターンバ
ツクル、１６……引き揚げリンク、２０……予荷
重セツト筒。 FIG. 1 is a partially cutaway front view showing a part of a freight vehicle equipped with an embodiment of the present invention, FIG. 2 is a side view as seen in the direction of arrow II in FIG. 1, and FIG. , a line diagram showing one example of spring characteristics, and FIG. 4 is a partial vertical sectional view showing another embodiment of the present invention. 5... Swing door, 6... Torii, 11... Spring tube, 12, 21, 23... Coil spring, 13... Pull rod, 14... Receiving member, 15... Turnbuckle, 16... Lifting link, 20 ...Preload set tube.

Claims

[Scope of Claim for Utility Model Registration] 1. A spring with built-in spring members on each side 6 ₁ , 6 ₂ of an upright torii gate 6 provided between the driver's cab 1 and loading platform 2 of a freight vehicle. The tubes 11 are each attached substantially vertically, and one end of the spring member is attached near the end adjacent to the torii gate 6 of the tilt door 5 via a rod member arranged substantially vertically. A cargo vehicle tilt door opening/closing assist device connected to the other end of the bracket 17. 2. The pull rod 13 is connected to the spring member at one end via the receiving member 14, the pull rod 16 is connected at one end to the bracket 17, and the pull rod 13 and the pull rod 1
6 and a turnbuckle 15 for adjusting the initial spring force of the spring member. Auxiliary equipment. 3 When the tilt door 5 is fully opened, the axis of action of the spring force of the spring member is closer to the longitudinal center line of the freight vehicle than the center line of the hinge 4 that attaches the lower side of the tilt door 5 to the freight vehicle frame 3. 2. A cargo vehicle tilting door opening/closing auxiliary device according to claim 1 or 2 of the utility model registration claim, wherein the front side faces inward. 4. The spring member is formed from one coil spring 12 placed inside the spring tube 11, the lower end of which is supported at the bottom of the spring tube 11, and the receiving member 14 is placed on the upper end. Receiving member 14
A cargo vehicle tilting door opening/closing auxiliary device according to claim 2 or 3 of the utility model registration claim, wherein the upper end of a pull rod 13 is fixed to the top end of the pull rod 13. 5 Spring members include two first and second coil springs 21 arranged in series inside the spring tube 11.
. The upper end of the preload setting cylinder 20 is supported by a series spring connecting plate 22 which movably closes the upper end of the preload setting cylinder 20, and the second coil spring 23 is connected with a series spring at its lower end. A cargo vehicle tilting door opening/closing device according to claim 2 or 3 of the utility model registration claim, which is supported by the upper surface of the plate 22, has a receiving member 14 placed on its upper end, and has the upper end of the pull rod 13 fixed thereto. Auxiliary equipment.