CN2688656Y

CN2688656Y - Safety intermediate torsional lock of container

Info

Publication number: CN2688656Y
Application number: CN 200420026673
Authority: CN
Inventors: 林英风
Original assignee: SHENGSHI METAL PRODUCTS CO Ltd YIXING CITY
Current assignee: SHENGSHI METAL PRODUCTS CO Ltd YIXING CITY
Priority date: 2004-04-23
Filing date: 2004-04-23
Publication date: 2005-03-30
Anticipated expiration: 2014-04-23

Abstract

The utility model relates to a safety intermediate torsional lock of a container, which is designed to prevent the existing safety hazard of the handle of the existing intermediate torsional lock. The safety intermediate torsional lock of a container comprises a lock core, a base, and a handle. The lock core is positioned by an elastic convex body between the inner chamber of the base and the rod of the lock core and a flute classifier which is interlocked with the lock core. The safety intermediate torsional lock of a container is characterized in that the elastic convex body which makes the lock core be locked additionally and the flute which is interlocked with the elastic convex body are also arranged between the wall surface of the inner chamber of the base and the wall surface of the rod of the lock core; only after the additional locking is absolved, and then the handle can move; therefore, a safety intermediate torsional lock is formed, and the safety intermediate torsional lock of a container is widely suitable for the locking between the laminated containers in ocean shipping or land shipping.

Description

Twistlock in the middle of the safety-type of freight container

(1) technical field: the utility model relates to freight container and prevent the latch fitting that freight container is toppled over when piling up transportation, is specially the middle twistlock of safety-type of freight container.

(2) background technology: freight container is when sea-freight or land transportation (as railway fortune), for increasing carrying capacity, be everlasting on the cabin cover plate or on train shipping railway carriage, freight container multilayer or bilayer stacked, drift angle place between the levels freight container connects, locks with middle twistlock, to prevent run in transit ripple displacement or topple over of freight container.

The structure of the middle twistlock of existing freight container such as Fig. 1 are to shown in Figure 6: Fig. 1 is a block diagram, and Fig. 2 is the front elevation of lock core, and Fig. 3～Fig. 5 is its birds-eye view, and Fig. 6～Fig. 8 is its lock core structure figure.See Fig. 1 and Fig. 2, it has lock core 1, and there are last tapered end 11 and lower lock head 10 in the two ends of lock core 1, and the end face intersection certain angle of upper and lower tapered end connects cylinder-type lock core bar 12 between the upper and lower tapered end, the handle 4 of captive joint is with it arranged on the lock core pole 12.See Fig. 1, Fig. 2, Fig. 4, Fig. 7, the lock core pole 12 of lock core 1 is installed among the inner chamber 13 of pedestal 2, pedestal 2 is by a left side, right two lobe housings 21,15 bolt ups connect and compose, the sidewall of pedestal 2 has the sector channel 5 that communicates with pedestal inner chamber 13, handle 3 is installed in the passage 5, the

tapered end

11 and 10 of lock core be positioned at pedestal 2 on, the lower end, see Fig. 7, on the face of cylinder of lock core pole 12, have indent arc groove 14,19,20, on the wall of pedestal inner chamber 13, have hole slot 17, device spring 16 in the hole slot 17, ball 18 is installed between spring 16 and the indent arc groove 20.Middle twist-lock device is in up and down between the two-layer freight container time, and operation order is as follows: pull handle, make handle 4 and ball 18 be in first P PARK Position P shown in Figure 7 (respective top is Fig. 4), ball 18 embeds grooves 20, and at this moment, lower lock head 10 is in vertical position.See Fig. 1, Fig. 4 and Fig. 7, the bottom 6 of tapered end 10 and pedestal 2 (this moment, tapered end 10 was superimposed with it) put into the drift angle spare hole of lower floor's freight container, the following reference plane 9 of pedestal 2 is dropped on lower floor's case end face; Pull handle 3 to Fig. 8 and second P PARK Position P shown in Figure 5 then, ball 18 embeds arc groove 14, this moment, lower lock head 10 was in the position that is tilted to the left, locking lower floor case, last tapered end 11 is in vertical position, and stacks the upper strata freight container, sees Fig. 1, Fig. 5 and Fig. 8, case base angle, upper strata part borehole jack is gone in the upper end 3 of the last tapered end 11 and the pedestal 2 of middle twistlock (this moment, tapered end 11 was superimposed with it), drop at the bottom of the case of upper strata on the last reference plane 8 of pedestal 2.7 is the matrix of pedestal among Fig. 1, and its sidewall has sector channel 5, and its upper and lower end face is upper and lower reference plane 8 and 9.Pull handle 4 to Fig. 6 and third gear shown in Figure 3 position at last, ball 18 embedded grooves 19 are seen Fig. 1, Fig. 3, and tapered end 11 and lower lock head 10 lock upper strata case and lower floor's case respectively on this moment.The shortcoming that the middle twistlock of said structure exists is: in case maloperation or handle are subjected to external force, make handle be displaced to first grade or second P PARK Position P, the lock core 1 of twistlock is not in latched position in the middle of making among Fig. 1, the centnifugal force of flipper turn in transit, with causing the levels freight container to separate and even throwing off the accident of tumbling, there is big potential safety hazard.

(3) summary of the invention: the purpose of utility model is at above-mentioned shortcoming, designs the middle twistlock of a kind of safety-type, and it can avoid maloperation or external force to make the dislocation of handle, eliminates the potential safety hazard that has middle twistlock now.

The technical solution of the utility model is as follows: it has lock core, lock core is made of lock core pole and the upper and lower tapered end that is connected in two ends, the end face intersection certain angle of upper and lower tapered end, lock core pole is connected with handle, lock core pole is installed in the inner chamber of pedestal, upper and lower tapered end is positioned at the upper and lower end of pedestal, and the sidewall of pedestal has the passage that communicates with the pedestal inner chamber, and handle is installed in the described passage; Described pedestal is fastenedly connected by two lobe housings and constitutes, the elasticity convex body and the chimeric with it detent that make lock core stepping location are installed between the wall of the wall of pedestal inner chamber and lock core pole, it is characterized in that between the wall of the wall of pedestal inner chamber and lock core pole, also being equipped with the elasticity convex body that lock core is added re-lock and reach chimeric with it latch recess.It is further characterized in that the sidewall at pedestal has the through hole that communicates with the pedestal inner chamber, in through hole, install lining, in lining, install pull bar, between the termination of pull bar and lining inwall, install spring, on the wall of lock core pole, have and the termination of the described pull bar latch recess of fit mutually.Perhaps it is further characterized in that and has through hole on the lock core pole, installs handle in through hole, installs spring between the clearance hole inwall of the termination of handle and lock core pole, has on the wall of pedestal inner chamber and the termination of the described handle latch recess of fit mutually.

Owing to the elasticity bossy body that makes lock core stepping location is being installed and outside the detent that cooperates with it between the wall of the wall of the utility model pedestal inner chamber and lock core pole, elasticity bossy body that lock core is added re-lock and the latch recess that cooperates with it also are installed, when the lock core of middle twistlock added re-lock after, change the positioning states of lock core, the blocking device that increases the weight of of lock core must be opened, otherwise handle can not be pulled or be shifted, so effectively prevent to make the dislocation of handle because of maloperation or external force, cause tapered end not in the hidden danger of latched position, become the middle twistlock of a kind of safety-type.

(4) description of drawings:

Fig. 1 is the block diagram of twistlock in the middle of existing;

Fig. 2 is the lock core structure figure of twistlock in the middle of existing;

Fig. 3～Fig. 5 is the birds-eye view of twistlock locking process in the middle of existing;

Fig. 6～Fig. 8 is the lock core structure constitution diagram of twistlock locking process in the middle of existing;

Fig. 9～Figure 11 is the lock core structure constitution diagram of the utility model embodiment 1;

Figure 12～Figure 14 is the lock core structure constitution diagram of the utility model embodiment 2;

Fig. 1 5～Figure 17 is the lock core structure constitution diagram of the utility model embodiment 3:

The view of Fig. 6～Fig. 8 and Fig. 9～lock core structure shown in Figure 17 all from the handle crosscut of twistlock, is overlooked.

(5) specific embodiment:

Embodiment 1: the utility model has lock core, and lock core is made of lock core pole and the upper and lower tapered end that is connected in two ends, and the end face of upper and lower tapered end intersects certain angle, and above-mentioned formation is identical with existing centre twistlock.See Fig. 9, lock core pole 5 is installed in the inner chamber 2 of pedestal, pedestal is fastenedly connected by two lobe housings, 1,9 usefulness screws and constitutes, upper and lower tapered end is positioned at the upper and lower end of pedestal, the sidewall of pedestal has the passage 12 that communicates with pedestal inner chamber 2, handle 11 is installed in the described passage 12, and above-mentioned structure is to shown in Figure 1 similar.See Fig. 9, wall at pedestal inner chamber 2 has groove 6, device spring 7 in the groove 6, wall at lock core pole 5 has setting circle arc fluting 3,4,14, end device ball 10 at spring 7, constitute the elasticity convex body, the ball 10 of this elasticity convex body can be chimeric with

groove

3,4,14 respectively, makes lock core stepping location.See Figure 10, when pulling handle 11, when making ball 10 and groove 4 chimeric, lock core is positioned first retaining, and its birds-eye view is similar to Fig. 4.See Figure 11, when pulling handle and making ball 10 and groove 3 chimeric, lock core is positioned second retaining, and its birds-eye view is similar to Fig. 5.See Fig. 9, pull handle, when ball 10 and groove 14 were chimeric, lock core was positioned third gear, and its birds-eye view is similar to Fig. 3, and lock core is in the lock state at this moment.The utility model is in above-mentioned first during to the three-speed positioning states, and is described identical to having twistlock now in the method for its locking levels freight container and the background technology.

Inventive features of the present utility model below is described: see Fig. 9, sidewall at pedestal has the hole that connects with inner chamber 2, device lining 19 in the phase through hole, device pull bar 18 in lining 19, one end of pull bar 18 is connected with handle ring 20, the other end termination 16 of pull bar 18 is a cambered surface convex body shape, and mounting spring 17 between the inwall step of the termination 16 of cambered surface convex body shape and lining 19 forms elasticity convex body 16; See Fig. 9, have on the wall of lock core pole 5 and elasticity convex body 16 groove 15 of fit mutually that groove 15 has certain depth, when handle is allocated to aforementioned third gear position, ball 10 is positioned arc groove 14, and this moment, the elasticity convex body 16 entered groove 15.Lock core is entered increase the weight of lock-out state, this moment, handle 11 was in the state that can't pull, therefore can avoid the maloperation of handle 11 or the dislocation that external force makes handle, the safety of twistlock locking in the middle of guaranteeing, remove when increasing the weight of lock-out state, handle ring 20 among Fig. 9 pulled outward to revolve simultaneously turn 90 degrees, the ring of handle ring 20 is stuck in the port of lining 19, spring 17 is compressed, in the convex body 16 retraction linings 19, can stir handle again to Figure 10 or first grade or second P PARK Position P shown in Figure 11 this moment, carries out the vanning of freight container or the work of removing stage makeup and costume.

Embodiment 2: as Figure 12～shown in Figure 14, it saves the arc groove 14 on the groove in Fig. 9 pedestal 6, spring 7, ball 10 and the lock core pole 5 respectively, increase the weight of latch-up structure among Fig. 9 and parts 15～20 are constant, the component names of numbering expression is identical with Fig. 9 among Figure 12～Figure 14.Wherein Figure 12 is for increasing the weight of lock-out state (third gear), and Figure 13 and Figure 14 are similar to the foregoing description 1 first, second grade state respectively.Increase the weight of lock-out state when removing, when becoming first, second grade state, as Figure 13, shown in Figure 14, as long as draw ring 20 is pulled out a part by third gear, spring 17 is compressed, make in the circular arc portion retraction lining 19 of convex body 16, meanwhile, stir handle 11, lock core pole 5 rotates, under the effect of spring 17, the circular arc termination of convex body 16 can be chimeric respectively with the

arc groove

4,3 on the lock core pole, makes lock core stepping location.All the other structures respectively with embodiment 1 in Fig. 9～Figure 11 and narrate identical.

Embodiment 3: as Figure 15～shown in Figure 17, it on basis of Figure 12 structure, saves the latch-up structure that increases the weight of that parts 15-20 constitutes among Figure 12～Figure 14 respectively in embodiment 2.See Figure 15, on the wall of pedestal inner chamber 2, have stepping location circular arc

shallow grooves

3,4 and add and re-lock dark groove 15, on lock core pole 5, have clearance hole, handle 11 passes clearance hole, handle 11 terminations 16 are circular arc convex body shape, mounting spring 17 between circular arc convex body 16 and clearance hole inwall stage constitutes elasticity protruding 16.Figure 15 is allocated to aforementioned third gear position for handle 11, and elasticity convex body 16 enters groove 15, and lock core enters and increases the weight of lock-out state.See Figure 16, Figure 17, handle 11 is outwards pulled out certain distance, spring 17 is compressed in the circular arc termination retraction clearance hole of convex body 16, meanwhile, pull handle 11, lock core pole 5 rotates, under the effect of spring 17, the circular arc termination of convex body 16 can be chimeric with arc groove 4, groove 3 on the pedestal inner chamber, makes lock core stepping location.Figure 16, Figure 17 are respectively aforementioned first grade, second grade positioning states.All the other structures respectively with embodiment 1 in Fig. 9～Figure 11 and narrate identical.The component names of numbering expression is identical with Fig. 9 among Figure 15～Figure 17.

Claims

1, twistlock in the middle of the safety-type of freight container, it has lock core, lock core is made of lock core pole and the upper and lower tapered end that is connected in two ends, the end face intersection certain angle of upper and lower tapered end, lock core pole is connected with handle, and lock core pole is installed in the inner chamber of pedestal, and upper and lower tapered end is positioned at the upper and lower end of pedestal, the sidewall of pedestal has the passage that communicates with the pedestal inner chamber, and handle is installed in the described passage; Described pedestal is fastenedly connected by two lobe housings and constitutes, the elasticity convex body and the chimeric with it detent that make lock core stepping location are installed between the wall of the wall of pedestal inner chamber and lock core pole, it is characterized in that between the wall of the wall of pedestal inner chamber and lock core pole, also being equipped with the elasticity convex body that lock core is added re-lock and reach chimeric with it latch recess.

2, by twistlock in the middle of the safety-type of the described freight container of claim 1, it is characterized in that having the through hole that communicates with the pedestal inner chamber at the sidewall of pedestal, in through hole, install lining, in lining, install pull bar, between the termination of pull bar and lining inwall, install spring, on the wall of lock core pole, have and the termination of the described pull bar latch recess of fit mutually.

3, by twistlock in the middle of the safety-type of the described freight container of claim 1, it is characterized in that having on the lock core pole through hole, in through hole, install handle, between the clearance hole inwall of the termination of handle and lock core pole, install spring, on the wall of pedestal inner chamber, have and the termination of the described handle latch recess of fit mutually.