CN108331464B

CN108331464B - Special lock of high security railway container

Info

Publication number: CN108331464B
Application number: CN201810088391.5A
Authority: CN
Inventors: 覃道喜
Original assignee: Qin Daoxi
Current assignee: Qin Daoxi
Priority date: 2018-01-30
Filing date: 2018-01-30
Publication date: 2020-01-14
Anticipated expiration: 2038-01-30
Also published as: CN108331464A

Abstract

The invention discloses a high-safety special lock for a railway container, which has the technical scheme that the lock comprises a bolt, a first limiting ring and a second limiting ring, wherein the first limiting ring and the second limiting ring are provided with openings, two ends of the first limiting ring are respectively provided with a first sliding groove and a second sliding groove at the openings, one end of the second limiting ring is provided with a third sliding groove at the openings, the bolt sequentially penetrates through the first sliding groove, the second sliding groove and the third sliding groove, the other end of the second limiting ring, opposite to the third sliding groove, extends outwards to form a connecting part mutually attached to the bolt, the connecting part is provided with a first threaded hole, the bolt is provided with a plurality of second threaded holes mutually matched with the first threaded holes in a clearance mode along the length direction of the bolt, and one end of the bolt, which is arranged at the first limiting ring, is in a right-angle mode.

Description

Special lock of high security railway container

Technical Field

The invention relates to a lock, in particular to a special lock for a high-safety railway container.

Background

Railway containers are one form of railway freight transportation, which has the advantages of economy, safety, punctuality, and the like. The railway container lock is an important part in container transportation and container vehicles, is related to the locking and fixing performance of the container in the transportation process, and plays an important role in guaranteeing the transportation safety of goods.

The railway container in the current market is provided with a vertically arranged lock rod on each door panel, most of the container lock catch modes in the prior art are that a transverse bolt is arranged on one side of each lock rod, the bolt can move horizontally, before a vehicle runs, the bolt is moved into the two lock rods and fixed, and when unloading is carried out, the bolt is moved back to one side to open the door panel; the lock catch structure is easy to loosen under the action of various forces such as vehicle vibration inertia force, transverse wind force, intersection impact force and the like in the actual transportation process, the locking property is poor, and further the safety performance of goods is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a special lock for a high-safety railway container, which can prevent the vehicle from loosening in the running process and improve the safety performance.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special lock of high security railway container, has open-ended spacing ring one and spacing ring two including bolt and two, the both ends of spacing ring one are provided with spout one and spout two respectively in the opening part, the one end of spacing ring two is provided with spout three in the opening part, the bolt passes in spout one, spout two and spout three in proper order, spacing ring two outwards extends the connecting portion that forms and laminate each other with the bolt for the other end of spout three, set up threaded hole one on the connecting portion, the bolt is provided with a plurality of and threaded hole one screw hole two of mutually supporting along its length direction clearance, the bolt is right angle form setting in the one end of spacing ring one.

Preferably, the first limiting ring and the second limiting ring are arranged in a V shape.

Preferably, the first limiting ring comprises a first main body part which is arranged in a V shape, a first stretching part and a second stretching part which are in sliding fit with the first main body part are respectively sleeved at two ends of the first main body part, the first sliding groove is formed in the first stretching part, and the second sliding groove is formed in the second stretching part; the limiting ring II comprises a main body part II which is arranged in a V shape, one end of the main body part II is sleeved with a stretching part III which is in sliding fit with the main body part II, the other end of the main body part II is in sliding fit with the connecting part, and the sliding groove three openings are formed in the stretching part III; the two ends of the first main body part and the two ends of the second main body part are both provided with object placing grooves, the bottom ends of the object placing grooves are both connected with limiting blocks matched with the object placing grooves through springs, and a plurality of limiting holes matched with the limiting blocks are arranged on the first stretching part, the second stretching part, the third stretching part and the connecting parts along the extending direction of the openings in a clearance mode.

Preferably, the plug pin is located the equal threaded connection in spacing ring one and the spacing ring two corresponding position department and has clamp bolt, every clamp bolt's the equal swing joint in tip has the compact heap, every the arc surface that is used for laminating each other with the locking lever surface is all offered to the compact heap surface, the compact heap cross-section is the I shape setting, the axial has been offered along the clamp bolt tip and has been used for inlaying the connection hole site of establishing the compact heap, lie in the compact heap intermediate position department on the connection hole site lateral wall and have limit bolt along radial threaded connection, limit bolt contradicts with the compact heap each other.

Preferably, the outer surface of the pressing block is covered with a rubber layer.

Preferably, the other end of each pressing bolt, which is opposite to the pressing block, is provided with a handle.

Preferably, be provided with fixing bolt in screw hole one and the screw hole two, fixing bolt's screw rod pot head is equipped with locknut group, locknut group is including the last nut and the lower nut that pile up each other, the recess of round platform form is upwards seted up in center department in last nut bottom, the nut top upwards extend form down with the bellying of recess mutually supporting, just the central screw hole of lower nut is eccentric settings.

Preferably, a sleeve is arranged outside the connecting part and the bolt, and a through hole for the fixing bolt to pass through is formed in the sleeve.

Compared with the prior art, the technical scheme comprises the following steps: the first limiting ring and the second limiting ring are sleeved outside the lock rod of each door plate, the first limiting ring and the second limiting ring are closed and fixed through the bolt, the left lock rod and the right lock rod are connected, the door plate is prevented from being opened, the special lock for the railway container can prevent the lock rod from sliding out of the limiting ring on the one hand, meanwhile, the bolt can prevent the limiting ring from sliding out, the locking property is good, and the safety performance is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and those skilled in the art will be able to derive other related drawings based on these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an embodiment of a special lock for a high-security railway container according to the invention.

Fig. 2 is a split structure view of the first limit ring.

Fig. 3 is a schematic structural view of the hold-down bolt.

Fig. 4 is a schematic structural view of the locknut set.

Fig. 5 is a partially enlarged view of a portion a in fig. 2.

In the figure: 1. a bolt; 11. a second threaded hole; 2. a first limiting ring; 21. a first sliding chute; 22. a second chute; 23. a first main body part; 24. a first stretching part; 25. a second stretching part; 26. a storage groove; 27. a spring; 28. a limiting block; 29. a limiting hole; 3. a second limiting ring; 31. a third chute; 32. a connecting portion; 33. a first threaded hole; 34. a second main body part; 35. a third stretching section; 4. a hold-down bolt; 41. a compression block; 42. a limit bolt; 43. a rubber layer; 44. a handle; 5. fixing the bolt; 6. a locknut set; 61. screwing a nut; 62. a lower nut; 63. a groove; 64. a boss portion; 7. a sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the special lock for the high-safety railway container comprises a bolt 1, a first limiting ring 2 and a second limiting ring 3 with openings, when in use, the first limiting ring 2 and the second limiting ring 3 are respectively sleeved outside lock rods of a left door plate and a right door plate, a first sliding groove 21 and a second sliding groove 22 are respectively arranged at two ends of the first limiting ring 2 at the openings, a third sliding groove 31 is arranged at one end of the second limiting ring 3 at the opening, the other end of the second limiting ring extends outwards to form a connecting part 32 which is mutually attached to the bolt 1, the bolt 1 sequentially penetrates through the first sliding groove 21, the second sliding groove 22 and the third sliding groove 31, the first limiting ring 2 forms a closed ring body through the bolt 1, the second limiting ring 3 forms a closed ring body through the bolt 1 and the connecting part 32, and further prevents the lock rods from sliding out of the openings, in the embodiment, the first threaded hole 33 is arranged on the connecting part 32 of the second limiting ring 3, the bolt 1 is provided with a plurality, the fixing of the second limit ring 3 can be realized by arranging the fasteners in the first threaded hole 33 and the second threaded hole 11, the second limit ring 3 is prevented from sliding out of the bolt 1, in addition, in the actual use process, the proper position of the second threaded hole 11 can be selected according to the distance between the left lock rod and the right lock rod, and the universality is stronger; bolt 1 is the right angle form in the one end of spacing ring 2 and sets up, can prevent that spacing ring 2 roll-off bolt 1, and the locking nature is better, even also is difficult to take place to become flexible under various power effects such as vibration inertia force, horizontal wind-force and meeting impact force, and the security performance is high.

Referring to fig. 1 and 2, the first limit ring 2 and the second limit ring 3 are arranged in a V shape, and the V shape enables the first limit ring 2 and the second limit ring 3 to be sleeved outside the lock rods with different diameters, so that the universality is better.

Referring to fig. 1, 2 and 5, the first limit ring 2 comprises a first main body part 23 which is arranged in a V shape, two ends of the first main body part 23 are respectively sleeved with a first stretching part 24 and a second stretching part 25 which are in sliding fit with the first main body part 23, the first sliding groove 21 is arranged on the first stretching part 24, the second sliding groove 22 is arranged on the second stretching part 25, the second limit ring 3 comprises a second main body part 34 which is arranged in a V shape, one end of the second main body part 34 is sleeved with a third stretching part 35 which is in sliding fit with the second main body part, the other end of the second main body part is in sliding fit with the connecting part 32, the third sliding groove 31 is arranged on the third stretching part 35, and the depths of the first limit ring 2 and the second limit ring 3 can be changed by sliding the first inner part 24, the second stretching part 25, the third; the two ends of the first main body part 23 and the two ends of the second main body part 34 are both provided with object placing grooves 26, the bottom ends of the object placing grooves 26 are connected with limit blocks 28 matched with the object placing grooves through springs 27, a plurality of limit holes 29 matched with the limit blocks 28 are arranged on the first stretching parts 24, the second stretching parts 25, the third stretching parts 35 and the connecting parts 32 in the opening extending direction at intervals, when the depth needs to be changed, the limit blocks 28 are pressed downwards, the limit blocks 28 overcome the elasticity of the springs 27 and are embedded in the object placing grooves 26, then the first stretching parts 24, the second stretching parts 25, the third stretching parts 35 and the connecting parts 32 are slid to corresponding positions, when the object is moved to the proper limit holes 29, the limit blocks 28 are embedded in the limit holes 29 under the elasticity of the springs 27 for limiting and fixing, the detachable fixed connection is realized through the limit blocks 28 and the limit holes 29 connected by the springs 27, the limiting holes 29 arranged in the gap play a role in adjusting the depth, and are suitable for locking rods with different depths.

As another embodiment, in the above embodiment, the placement groove 26, the spring 27 fixedly connected to the bottom end of the placement groove 26, and the limiting block 28 fixedly connected to the spring are replaced with the third threaded hole, the limiting hole 29 is replaced with the fourth threaded hole mutually matched with the third threaded hole, and the third threaded hole and the fourth threaded hole are fastened by the fastening member, so that the depth of the ring body can be adjusted.

Referring to fig. 1 and 3, a pressing bolt 4 is connected to the first limit ring 2 and the two corresponding positions of the first limit ring and the second limit ring on the plug pin 1 through threads, the pressing bolt 4 abuts against the lock rod to lock and fix the lock rod, so as to better prevent loosening, a pressing block 41 is movably connected to the end of the pressing bolt 4, an arc surface for fitting with the outer surface of the lock rod is arranged on the outer surface of each pressing block 41, the outer surface of the pressing block is fitted with the arc surface, the traditional line contact is changed into surface contact, the contact area is larger, larger static friction force can be provided, locking and fixing can be better performed, the cross section of each pressing block 41 is arranged in an i shape, a connecting hole position is arranged on the end of the pressing bolt 4 along the axial direction, the pressing block 41 is embedded in the connecting hole position, a limit bolt 42 is arranged on the side wall of the connecting hole along the radial direction at the middle position of the pressing block 41, the, can play spacing effect on the one hand, prevent that compact heap 41 from droing, compact heap 41 is the components of a whole that can function independently setting with clamp bolt 4 simultaneously, realizes compact heap 41 and clamp bolt 4's swing joint, and clamp bolt 4 promotes compact heap 41 forward motion when feeding forward, but compact heap 41 can not be along with clamp bolt 4 synchronous revolution, avoids behind locking lever and the arc surface laminating because compact heap 41 is rotatory to cause contradict with the locking lever.

Referring to fig. 3, the outer surface of the pressing block 41 is covered with the rubber layer 43, so that the static friction coefficient of the pressing block 41 can be further improved, the locking and fixing can be better performed, and the loosening can be prevented.

Referring to fig. 3, handles 44 are disposed at the other ends of the pressing bolts 4 opposite to the pressing blocks 41, so that the pressing bolts 4 can be conveniently rotated, and the use is more convenient.

Referring to fig. 4, a fixing bolt 5 is arranged in the first threaded hole 33 and the second threaded hole 11, one end of a screw rod of the fixing bolt 5 is sleeved with a locknut group 6, the locknut group 6 comprises an upper nut 61 and a lower nut 62 which are stacked with each other, when assembling, the fixing bolt 5 firstly passes through the first threaded hole 33 and the second threaded hole 11, then the lower nut 62 is in threaded connection with the fixing bolt 5, finally the upper nut 61 is assembled, because the central threaded hole of the lower nut 62 is eccentrically arranged (the lower nut 62 is slightly dislocated, the upper nut 61 is not eccentrically processed), a circular truncated cone-shaped groove 63 is upwards formed at the center of the bottom end of the upper nut 61, a lug boss 64 which is mutually matched with the groove 63 is upwards formed at the top end of the lower nut 62, the two nuts are combined into one, when the upper nut 61 is rotated downwards, the lower nut 62 can play a role of a wedge and is wedged into the upper nut 61 through the wedge (arrows in fig. 4 are schematic force diagram after, therefore, the problem of bolt looseness can be solved well, the locking resistance is increased, and the safety performance is greatly improved.

Referring to fig. 1, a sleeve 7 is arranged outside the connecting part 32 and the bolt 1, a through hole for the fixing bolt 5 to pass through is formed in the sleeve 7, the sleeve 7 can play a role in connection, the integrity of the lock is better, and the guide function is better played when the limiting ring 23 slides left and right.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A special lock of high security railway container, characterized by: comprises a bolt (1), a first limiting ring (2) with an opening and a second limiting ring (3), a first sliding groove (21) and a second sliding groove (22) are respectively arranged at the openings at the two ends of the first limiting ring (2), a third sliding groove (31) is arranged at an opening at one end of the second limiting ring (3), the bolt (1) sequentially penetrates through the first sliding groove (21), the second sliding groove (22) and the third sliding groove (31), the other end of the second limiting ring (3) opposite to the third sliding groove (31) extends outwards to form a connecting part (32) which is mutually attached to the bolt (1), a first threaded hole (33) is formed in the connecting part (32), a plurality of second threaded holes (11) which are matched with the first threaded holes (33) are arranged in the bolt (1) along the length direction of the bolt at intervals, the bolt (1) is arranged at one end of the first limiting ring (2) in a right-angle shape; the first limiting ring (2) and the second limiting ring (3) are arranged in a V shape; the first limiting ring (2) comprises a first main body part (23) which is arranged in a V shape, two ends of the first main body part (23) are respectively sleeved with a first stretching part (24) and a second stretching part (25) which are in sliding fit with the first main body part, the first sliding groove (21) is formed in the first stretching part (24), and the second sliding groove (22) is formed in the second stretching part (25); the second limiting ring (3) comprises a second main body part (34) which is arranged in a V shape, one end of the second main body part (34) is sleeved with a third stretching part (35) in sliding fit with the second main body part, the other end of the second main body part is in sliding fit with the connecting part (32), and the third sliding groove (31) is formed in the third stretching part (35).

2. The special lock for the high-safety railway container as claimed in claim 1, wherein: the two ends of the first main body part (23) and the two ends of the second main body part (34) are both provided with object placing grooves (26), the bottom ends of the object placing grooves (26) are connected with limiting blocks (28) matched with the object placing grooves through springs (27), and a plurality of limiting holes (29) matched with the limiting blocks (28) are arranged on the first stretching parts (24), the second stretching parts (25), the third stretching parts (35) and the connecting parts (32) along the extending direction of the openings in a clearance mode.

3. The special lock for the high-safety railway container as claimed in claim 1 or 2, wherein: correspond the equal threaded connection in position department in spacing ring (2) and spacing ring two (3) on bolt (1) and have clamp bolt (4), every the equal swing joint of tip of clamp bolt (4) has compact heap (41), every the arc surface that is used for laminating each other with the locking lever surface is all offered to compact heap (41) surface, compact heap (41) cross-section is the I shape setting, clamp bolt (4) tip has been offered along the axial and has been used for inlaying the connection hole site of establishing compact heap (41), it has stop bolt (42) to locate along radial threaded connection in compact heap (41) intermediate position on the connection hole site lateral wall, stop bolt (42) and compact heap (41) are contradicted each other.

4. The special lock for the high-safety railway container as claimed in claim 3, wherein: the outer surface of the pressing block (41) is covered with a rubber layer (43).

5. The special lock for the high-safety railway container as claimed in claim 4, wherein: and the other end of each pressing bolt (4) opposite to the pressing block (41) is provided with a handle (44).

6. The special lock for the high-safety railway container as claimed in claim 4 or 5, wherein: be provided with fixing bolt (5) in screw hole (33) and screw hole two (11), the screw rod pot head of fixing bolt (5) is equipped with locknut group (6), locknut group (6) are including last nut (61) and lower nut (62) that pile up each other, upward recess (63) of round platform form are upwards seted up in center department in last nut (61) bottom, lower nut (62) top upwards extend form with protruding portion (64) that recess (63) mutually supported, just the central screw hole of lower nut (62) is eccentric settings.

7. The special lock for the high-safety railway container as claimed in claim 6, wherein: a sleeve (7) is arranged outside the connecting part (32) and the bolt (1), and a through hole for the fixing bolt (5) to pass through is formed in the sleeve (7).