CN213869359U

CN213869359U - Trailer lock

Info

Publication number: CN213869359U
Application number: CN202022285231.5U
Authority: CN
Inventors: 唐爱明
Original assignee: Zhejiang Lituo Machinery Co ltd
Current assignee: Zhejiang Lituo Machinery Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-08-03
Anticipated expiration: 2030-10-14

Abstract

The utility model relates to a trailer lock. Including lock body and set bar, the lock body includes outer lock tube and lock core, and the lock core includes interior lock tube, retaining member and sets up in the rotation piece of interior lock tube, has seted up the key hole on rotating the piece, the retaining member includes drive division and locking ring, has seted up the retaining member mounting groove on the interior lock tube, the drive division of retaining member install in the retaining member mounting groove, rotate and to rotate the piece and can drive the retaining member and remove the set bar and include locking lever and tapered end, set up the annular groove of locking ring adaptation between tapered end and the locking lever, the front end shaping of tapered end has the direction inclined plane. The effect of direction inclined plane is when the inclined plane of tapered end front end supports the locking intra-annular, because the contact surface is an inclined plane, exerts some power again slightly and pushes away the set bar forward, can drive retaining member through the direction inclined plane and just go back to can let the tapered end pass the locking ring, then, the annular groove is gone into again to the locking ring, accomplishes locking, thereby need not rotate the key when locking, it is more convenient to use.

Description

Trailer lock

Technical Field

The utility model relates to a trailer lock.

Background

At present, a common trailer lock is used for being locked on a connecting structure of a trailer between containers in a penetrating way, and the main structure of the trailer lock comprises a lock body and a lock bolt, wherein the lock bolt is inserted into the lock body to play a locking function, the shape of the trailer lock is similar to a dumbbell, and the two ends of the trailer lock are thick and the middle of the trailer lock is thin. But trailer lock in the past all need rotate the key when inserting the set bar or taking out the set bar to let the tapered end of set bar front end withdraw from the lock body smoothly, unusual inconvenient when using does not accord with normal use custom, consequently, needs a more excellent trailer lock of structure now.

Disclosure of Invention

The utility model aims at providing a trailer lock that simple structure, it is more convenient to use.

The purpose of the utility model is realized like this:

a trailer lock comprises a lock body and a lock bolt, wherein the lock body comprises an outer lock sleeve and a lock core arranged in the outer lock sleeve, the lock core comprises an inner lock sleeve, a locking piece and a rotating piece arranged in the inner lock sleeve, a key hole is formed in the rotating piece, the locking piece comprises a driving part and a locking ring, a locking piece mounting groove is formed in the inner lock sleeve, the driving part of the locking piece is mounted in the locking piece mounting groove, and the rotating piece is rotated to drive the locking piece to move; the lock bolt comprises a lock rod and a lock head formed at the front end of the lock rod, an annular groove matched with the locking ring is formed between the lock head and the lock rod, and a guide inclined plane is formed at the front end of the lock head.

The utility model discloses it is further, be provided with the elastic component in the retaining member mounting groove, seted up on the drive division on the retaining member with the notch of elastic component adaptation, through the elastic component can drive the retaining member and remove to the inslot of retaining member mounting groove.

The utility model discloses it is further, drive mouth has been seted up to drive division department on the retaining member, it has the drive dop with the shaping of the corresponding position of drive mouth on the rotation piece.

The utility model discloses it is further, the shape of tapered end is round platform form.

The utility model discloses it is further, the lock body overcoat is equipped with soft cover, be connected with the lock flap on the soft cover.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model relates to a trailer lock, mainly include the lock body and can with the set bar of lock body locking, concrete structure has included outer lock tube and lock core for the lock body, be provided with on the lock core can with the retaining member of set bar chucking, the retaining member includes the locking ring, the ring opening size of locking ring and the tapered end size looks adaptation of set bar front end, make the tapered end just can pass from the locking ring, the annular groove has been seted up to the tapered end rear end, after the tapered end passed the locking ring, the skew takes place for the locking ring, in locking ring one side card was gone into the annular groove this moment, make the set bar unable normal withdrawal from, thereby accomplish the locking of lock body and set. If need open the set bar, need rotate the piece with the key, drive the retaining member through rotating the piece and to the central skew, make the locking ring of retaining member and the tapered end alignment of set bar front end, at this moment, the locking ring can not block in the annular groove, the set bar can be taken out smoothly. The utility model discloses still there is the direction inclined plane at the front end shaping of tapered end, because the retaining member all is in eccentric state when normal condition, the lock plunger all in the past can't normally insert and accomplish in the lock body and lock, all need rotate the piece with the key earlier, the locking ring of drive retaining member is in concentric state with the lock plunger, just can pass the locking ring with the tapered end, the completion is locked, the effect on direction inclined plane is when the inclined plane of tapered end front end supports the locking intra-annular, because the contact surface is an inclined plane, exert some power again slightly and push away the lock plunger forward, can drive the retaining member through the direction inclined plane and return just, thereby can let the tapered end pass the locking ring, then, the locking ring card is gone into the annular groove again, accomplish locking, thereby need not rotate the key when locking, it is more convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an exploded view of the lock cylinder of the present invention.

Fig. 4 is a schematic structural view of the locking member of the present invention.

The reference numerals in the figures denote the meanings:

1-a lock body; 2-a lock bolt; 3-an outer lock sleeve; 4-a lock cylinder; 5-inner lock sleeve; 6-a locking member; 7-a rotating member; 8-keyhole; 9-a drive section; 10-a locking ring; 11-a retaining member mounting groove; 12-a locking bar; 13-a lock head; 14-an annular groove; 15-a guide slope; 17-notches; 18-a drive port; 19-driving the chuck; 20-soft sleeve; 21-locking flap.

Detailed Description

The invention will be further described with reference to specific embodiments below:

a trailer lock comprises a lock body 1 and a lock bolt 2, wherein the lock body 1 comprises an outer lock sleeve 3 and a lock core 4 arranged in the outer lock sleeve 3, the lock core 4 comprises an inner lock sleeve 5, a locking piece 6 and a rotating piece 7 arranged in the inner lock sleeve 5, a key hole 8 is formed in the rotating piece 7, the locking piece 6 comprises a driving part 9 and a locking ring 10, a locking piece mounting groove 11 is formed in the inner lock sleeve 5, the driving part 9 of the locking piece 6 is mounted in the locking piece mounting groove 11, and the rotating piece 7 is rotated to drive the locking piece 6 to move; the lock bolt 2 comprises a lock rod 12 and a lock head 13 formed at the front end of the lock rod 12, an annular groove 14 matched with the locking ring 10 is formed between the lock head 13 and the lock rod 12, and a guide inclined surface 15 is formed at the front end of the lock head 13.

The utility model relates to a trailer lock, mainly include lock body 1 and can with the set bar 2 of 1 locking of lock body, concrete structure has included outer lock sleeve 3 and lock core 4 for lock body 1, be provided with on the lock core 4 can with the retaining member 6 of 2 chucking of set bar, retaining member 6 includes locking ring 10, the ring opening size of locking ring 10 and the tapered end 13 size looks adaptation of 2 front ends of set bar, make tapered end 13 just can pass from locking ring 10, annular groove 14 has been seted up to tapered end 13 rear end, after tapered end 13 passed locking ring 10, the skew takes place for locking ring 10, locking ring 10 one side card is gone into in annular groove 14 this moment, make set bar 2 unable normal withdraws from, thereby accomplish the locking of lock body 1 and set bar 2. If the lock bolt 2 needs to be opened, the rotating piece 7 needs to be rotated by a key, the locking piece 6 is driven by the rotating piece 7 to be deviated towards the center, the locking ring 10 of the locking piece 6 is aligned with the lock head 13 at the front end of the lock bolt 2, at the moment, the locking ring 10 cannot be clamped in the annular groove 14, and the lock bolt 2 can be smoothly taken out. The utility model discloses it has direction inclined plane 15 still to have at the front end shaping of tapered end 13, because retaining member 6 all is in eccentric state when normal condition, lock plunger 2 in the past can't normally insert and accomplish in the lock body 1 and lock, all need rotate rotor 7 with the key earlier, locking ring 10 and lock plunger 2 of drive retaining member 6 are in concentric state, just can pass locking ring 10 with tapered end 13, the completion is locked, direction inclined plane 15's effect is when the inclined plane of tapered end 13 front end supports locking ring 10 in, because the contact surface is an inclined plane, exert some power again slightly and push away lock plunger 2 forward, can drive locking member 6 through direction inclined plane 15 and just return, thereby can let tapered end 13 pass locking ring 10, then, locking ring 10 blocks into annular groove 14 again, accomplish the locking, thereby need not rotate the key when locking, it is more convenient to use.

The utility model discloses a preferred scheme does, be provided with the elastic component in retaining member mounting groove 11, seted up on the drive division 9 on the retaining member 6 with the notch 17 of elastic component adaptation, through the elastic component can drive retaining member 6 and remove to the groove of retaining member mounting groove 11 outward. The resilient member is arranged to always give the locking member 6 an outward movement force, and the locking member 6 can be returned by the resilient member after the key is turned to drive the locking member 6 inward or to drive the locking member 6 inward when the bolt 2 is inserted.

The utility model discloses an optimal scheme does, drive mouth 18 has been seted up to 9 departments of the drive portion on retaining member 6, it has drive dop 19 with the shaping of the corresponding position of drive mouth 18 on the rotation piece 7. The driving chuck 19 is clamped in the driving port 18, and the driving chuck 19 moves along with the rotation of the rotating part 7, so that the rotating part 7 can drive the locking part 6 to move.

The utility model discloses an optimal scheme does, the shape of tapered end 13 is round platform form.

The utility model discloses an optimal scheme does, 1 overcoat of lock body is equipped with soft cover 20, be connected with lock flap 21 on the soft cover 20. The locking cover 21 is connected to the soft sleeve 20 and is not easy to lose.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a trailer lock, includes lock body and set bar which characterized in that: the lock body comprises an outer lock sleeve and a lock core arranged in the outer lock sleeve, the lock core comprises an inner lock sleeve, a locking piece and a rotating piece arranged in the inner lock sleeve, a key hole is formed in the rotating piece, the locking piece comprises a driving part and a locking ring, a locking piece mounting groove is formed in the inner lock sleeve, the driving part of the locking piece is mounted in the locking piece mounting groove, and the rotating piece is rotated to drive the locking piece to move; the lock bolt comprises a lock rod and a lock head formed at the front end of the lock rod, an annular groove matched with the locking ring is formed between the lock head and the lock rod, and a guide inclined plane is formed at the front end of the lock head.

2. A trailer lock as claimed in claim 1, wherein: be provided with the elastic component in the retaining member mounting groove, seted up on the drive division on the retaining member with the notch of elastic component adaptation, through the elastic component can drive the retaining member and remove to the groove of retaining member mounting groove outward.

3. A trailer lock as claimed in claim 1 or 2, wherein: the driving part on the locking piece is provided with a driving port, and a driving chuck is formed on the rotating piece at a position corresponding to the driving port.

4. A trailer lock as claimed in claim 1, wherein: the lock head is in a round table shape.

5. A trailer lock as claimed in claim 3, wherein: the lock body is sleeved with a soft sleeve, and a lock opening cover is connected to the soft sleeve.