CN201907794U

CN201907794U - Rotating lock

Info

Publication number: CN201907794U
Application number: CN2010206089374U
Authority: CN
Inventors: 刘贤兴
Original assignee: Kunshan Lucky Sea Industrial Co Ltd
Current assignee: Kunshan Lucky Sea Industrial Co Ltd
Priority date: 2010-11-16
Filing date: 2010-11-16
Publication date: 2011-07-27
Anticipated expiration: 2020-11-16

Abstract

The utility model relates to a rotating lock which comprises a left shell, a right shell, a lock pin, an upper locking head and a lower locking head. The left shell and the right shell are connected to form a shell with one open end; the lock pin longitudinally perforates the shell; the upper end of the lock pin is connected with the upper locking head and the lower end of the lock pin is connected with the lower locking head; an included angle is formed between the upper locking head and the lower locking head; the side opposite to the open side of the shell is provided with an elastic cushion; a cushion block is fixedly connected outside the elastic cushion; one side of the middle of the lock pin is provided with an unlocking hole; the middle of the lock pin is provided with a limit boss; the limit boss is in surface contact and connection with the cushion block; and the upper locking head is provided with a concave zone. By the rotating lock, various connection requirements of containers in the transportation process can be met. Due to the action of the limit boss, the lock pin can be prevented from rotating excessively in the shell, so that the assembling and disassembling efficiency is improved.

Description

A kind of rotation lock

Technical field

The utility model relates to a kind of connection lock that is used for freight container, particularly relates to a kind of middle rotation lock of two (many) layers freight container traffic that is used for.

Background technology

At present, in railway two (many) layer freight container traffic process, adopting manually between the two-layer up and down freight container, the connection lock connects.The lock shaft of this connection lock is to position by spring and steel ball, and for some contact, the handgrip of lock shaft is extended down to outside the lock body between steel ball and the lock shaft.Handgrip is fixed on the lock shaft, train stop halfway or the transfer process in because the people is for opening by mistake lock, can cause the generation of safety misadventure.Generation for fear of above-mentioned situation, usually twining iron wire on the handgrip of lock shaft fixes it, but when unloading case, need to remove earlier the iron wire that is wrapped on the lock shaft handgrip again, then could rotary handle unblank to finish and unload case, reduce handling efficiency, thereby can't satisfy quick and requirement easily in bonded assembly requirement of two (many) layers container fixing and the transportation.

The existing patent No. is that the utility model patent of ZL200720069136.3 discloses a kind of rotation lock, comprise housing, lock shaft, go up tapered end, lower lock head, captive joint with lower lock head with last tapered end respectively after passing housing in the lock shaft two ends, and an angle is arranged between the upper and lower tapered end, the shell nozzle inboard is provided with cushion, boss is connected with the cushion block contact in the middle of cushion block of the outside captive joint of cushion, lock shaft, and a side is provided with open keyhole in the middle of the lock shaft.Though this rotation lock can satisfy the requirement of two (many) layers container fixing bonded assembly, it is excessive that but lock shaft is easy in the housing transfer, thereby can't use, cause the reduction of handling efficiency, and in the container loading process, wipe the silver-colored lac varnish of freight container the inside easily off.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of rotation lock that is used in the middle of the freight container traffic of two (many) layers, makes between the freight container connection safer, transports more quick and convenient.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of rotation lock is provided, comprises left shell, right shell body, lock shaft, go up tapered end and lower lock head, described left shell and right shell body interconnect the housing that consists of an end opening; Described lock shaft vertically runs through described housing, and the upper end links to each other with described upward tapered end, the lower end links to each other with described lower lock head, and described going up between tapered end and the lower lock head has an angle; The opposite side of described shell nozzle side is provided with cushion; The described cushion outside is fixedly connected with cushion block; A side is provided with open keyhole in the middle of the described lock shaft; Be provided with positive stop lug boss in the middle of the described lock shaft; Described positive stop lug boss is connected with described cushion block face contact; When described lock shaft rotated, described positive stop lug boss and described housing limited the described lock shaft anglec of rotation; The described tapered end of going up is provided with recessed zone.

Described left shell and right shell body are formed by connecting by four screw bolt and nut.

Beneficial effect

Owing to adopted above-mentioned technical scheme, the utility model compared with prior art has following advantage and good effect:

(1) safe and reliable:

A) failure-free latching device: cushion and cushion block that the locking of lock shaft is made by elastomeric material are formed, contacting lock shaft than common spring with the steel ball combined spot compares, face contact reliability between existing lock shaft and the cushion block is higher, can not cause because of the vibrations in the train running unblanking.

B) the convenient and safe structure of unblanking: open by mistake the safety problem that lock causes for avoiding the people in train stop off or the transfer process, the unlocking rod of this rotation lock is designed to movable, promptly after the locking, takes unlocking rod away, realizes that unlocking rod separates with lock body.Do not use unlocking rod lock can't be opened in the operational process, thereby make lock be in the safe condition of locking all the time.

C) prevent touching down design: open tapered end, when lifting or preloading upper strata freight container, for preventing that the lock that causes lower floor's freight container that waves, collides in the container handling process from being touched down, this rotation lock has designed last tapered end when opening, and lower lock head still is in the merit position of locking state, guarantee the safety of container handling process, avoid causing the generation of safety misadventure.

D) the last tapered end of lock shaft is provided with recessed zone, can prevent to wipe off in loading process the silver-colored lac varnish of freight container the inside.

E) be provided with positive stop lug boss in the middle of the lock shaft, prevent that lock shaft is excessive in the housing transfer.

(2) convenient, fast, need not add other reinforcement measure (as: on its handgrip, increasing work such as steel wire winding), the handling efficiency height.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is the section-drawing of Fig. 1 along the A-A line;

Fig. 3 is a parts explosion of the present utility model;

Scheme drawing when Fig. 4 is the utility model locking state;

Scheme drawing when Fig. 5 is the utility model releasing orientation;

Fig. 6 to Figure 15 is the utility model vanning process scheme drawing;

Figure 16 to Figure 21 is that the utility model unloads case process scheme drawing.

The specific embodiment

Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

As Fig. 1, Fig. 2 and shown in Figure 3, a kind of rotation lock comprises left shell 1, right shell body 2, lock shaft 3, goes up tapered end 4 and lower lock head 5.

Left shell 1 and right shell body 2 interconnect the housing that consists of an end opening by four bolts 11 and nut 12.Lock shaft 3 vertically runs through housing, and the upper end links to each other with last tapered end 4, the lower end links to each other with lower lock head 5.Between last tapered end 4 and the lower lock head 5 angle is arranged.As shown in Figure 1, last tapered end 4 is provided with recessed zone 10, can prevent that freight container from wiping the silver-colored lac varnish of its inside off in loading process.

The opposite side of shell nozzle side is provided with cushion 6, and the outside of cushion 6 is fixedly connected with cushion block 7, and cushion 6 and cushion block 7 all adopt elastomeric material to make.Be provided with positive stop lug boss 8 in the middle of the lock shaft 3,7 contacts of positive stop lug boss 8 and cushion block are connected.A side has open keyhole 9 in the middle of the lock shaft 3, can insert movable unlocking rod in the open keyhole 9, is used to rotate lock shaft 3.Because the effect of positive stop lug boss 8, when using unlocking rod rotation lock shaft 3, when lock shaft 3 left-handed turnings, the angle of described positive stop lug boss 8 left sides and described left shell 1 restriction lock shaft 3 left-handed turnings, when lock shaft 3 right-hand turnings (as shown in Figure 2), positive stop lug boss 8 right sides and right shell body 2 restriction lock shafts 3 right-handed angles, thus prevent that lock shaft 3 is excessive in the housing transfer.

Scheme drawing when Fig. 4 is the rotation lock locking state, this moment open keyhole towards right shell body, scheme drawing when Fig. 5 is the rotation lock releasing orientation, this moment open keyhole towards left shell.

The utility model rotation lock vanning operating process is as follows:

(1) rotation lock is placed on down the last corner fittings top of freight container, the opening that makes housing is (Fig. 6) outwardly;

(2) lower lock head of rotation lock is packed in the corner fittings hole and 25 ° of left-hand revolution housings (Fig. 7);

(3) housing and lock shaft are inserted in the corner fittings hole (Fig. 8), under the effect of cushion, lock shaft automatically resets, lower lock head locking this moment, and last tapered end is opened (Fig. 9);

(4) four of lower floor's freight container last corner fittings all install rotation lock by above-mentioned steps, lift by crane the upper strata freight container then, rotation lock are aimed in four following corner fittings holes of upper strata freight container respectively, as shown in figure 10; The layout that it should be noted that each rotation lock must be with the unlocking port of the lock body outside towards freight container.

(5) case that falls: upper strata freight container by gravity, its four following corner fittings are all packed in the rotation lock, as Figure 11;

(6) unlocking rod is inserted in the open keyhole (Figure 12) and 90 ° of clickwises (Figure 13);

(7) take unlocking rod away, finish the vanning operation, the freight container locking up and down of rotation lock this moment is shown in Figure 14 and 15.

It is as follows that the utility model rotation lock is unloaded the case operating process:

(1) unlocking rod is inserted in the open keyhole and left-hand revolution 90 ° (Figure 16) is opened the last tapered end of rotation lock, take off unlocking rod (Figure 17) then;

(2) lifting upper strata freight container, the upper strata freight container is thrown off (Figure 18) from rotation lock, realize unloading case;

(3) unlocking rod is inserted in the open keyhole and 25 ° of clickwises (Figure 19), this moment, the lower lock head of rotation lock was opened (Figure 20);

(4) hold unlocking rod, take out (Figure 21), finish the whole case process of unloading with the rotation rotation lock.

Claims

1. a rotation lock comprises left shell (1), right shell body (2), lock shaft (3), goes up tapered end (4) and lower lock head (5), and described left shell (1) and right shell body (2) interconnect the housing that consists of an end opening; Described lock shaft (3) vertically runs through described housing, the upper end links to each other with described upward tapered end (4), the lower end links to each other with described lower lock head (5), described going up between tapered end (4) and the lower lock head (5) has an angle, and the opposite side of described shell nozzle side is provided with cushion (6); Described cushion (6) outside is fixedly connected with cushion block (7); A side is provided with open keyhole (9) in the middle of the described lock shaft (3), it is characterized in that, is provided with positive stop lug boss (8) in the middle of the described lock shaft (3); Described positive stop lug boss (8) is connected with the contact of described cushion block (7) face; During described lock shaft (3) rotation, described positive stop lug boss (8) limits described lock shaft (3) anglec of rotation with described housing; The described tapered end (4) of going up is provided with recessed zone (10).

2. rotation lock according to claim 1 is characterized in that, described left shell (1) and right shell body (2) are formed by connecting by four bolts (11) and nut (12).