CN210191056U

CN210191056U - Spherical and annular hitch lock

Info

Publication number: CN210191056U
Application number: CN201920821443.5U
Authority: CN
Inventors: Yi Liu; 刘义
Original assignee: Wenzhou Anke Automobile Products Co Ltd
Current assignee: Wenzhou Anke Automobile Products Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-03-27
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a spherical and annular hanging device lock, which comprises an upper pressing plate and a lower pressing plate, wherein the upper pressing plate is provided with a hanging fixed head which is a cylindrical solid body, and a hanging piece fixed block is provided with an annular groove; the lower pressing plate is provided with an annular limiting seat matched with the hanging fixing head for use, and the annular limiting seat is processed into a semicircular arc shape and is positioned below the hanging piece fixing block. The hitch in this design can secure any size of ball or ring/pin hitch, and is suitable for use with a variety of trailers, and the hitch lock includes the hitch, and can also prevent a thief from towing the trailer away.

Description

Spherical and annular hitch lock

Technical Field

The utility model relates to a trailer hooking device lock.

Background

Most vehicles fail to travel on roads in an emergency and need to be towed away for maintenance, and many trailers nowadays need to be locked with the vehicles into a whole through trailer hitching devices.

General trailer hitch is from taking, mainly is located the tow hook behind the trailer, and hitch of any size can't be fixed to such trailer hitch, and the function is single, and is dragged away the trailer by the thief easily, to these problems, the utility model provides an improve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a spherical and annular hanging device lock.

The utility model adopts the technical proposal that: the spherical and annular hanging device lock comprises an upper pressure plate and a lower pressure plate, wherein the upper pressure plate is provided with a hanging fixed head, and an annular groove is formed in the hanging fixed head; have spacing seat of annular and locking post on the holding down plate, the spacing seat of annular is located on the holding down plate terminal surface, and the spacing seat terminal surface of annular forms with the holding down plate and has accommodation space, has two above spacing recesses at least on the terminal surface of locking post, and the top board is opened has the locking cover that has the chamber way and is used for realizing the locking or opens the latch fitting of top board and holding down plate, and the locking post extends in the adaptation chamber groove and through the latch fitting locking.

Preferably, the upper pressure plate is provided with a locking piece placing seat, the locking piece placing seat is provided with an installation area for placing a locking piece, and the locking piece placing seat is arranged on the adjacent side of the locking sleeve; the mounting area that the seat was placed to the latch fitting is equipped with the latch fitting standing groove of placing the latch fitting, and the latch fitting is including the lock body of cooperation spring bolt, drive cooperation spring bolt motion and the expansion gap of cooperation spring bolt motion, the locking cover open the bayonet socket that has the cooperation spring bolt of being convenient for to stretch into.

Preferably, the lock body is a lock cylinder, and the matching lock tongue is matched with the lock cylinder.

Preferably, the lock body includes locking pin, elastic component and lock driving piece, elastic component one end install and place the seat at the latch fitting, the other end is connected at the locking pin, the cooperation spring bolt is connected at the locking pin other end, the locking pin is opened there is the draw-in groove, is equipped with the drive rotating head on the lock driving piece, drive rotating head terminal surface pastes on the draw-in groove inner wall, the lock driving piece is through rotatory drive locking pin activity.

Preferably, the lock tongue and the locking pin are integrally formed.

Preferably, lock driving piece sets up on the lock core, the lock driving piece on have the drive rotating head, the drive rotating head is as an organic whole with the shaping of lock driving piece, the locking pin on set up the locking pin recess of cooperation installation drive rotating head, the elastic component has between drive rotating head and the locking pin, elastic component one end install in the end of drive rotating head, the tank bottom of other end conflict locking pin recess, lock core, lock driving piece, drive rotating head and locking pin are all on same straight line, the lock driving piece pass through the rotatory locking pin activity of driving of lock core.

Preferably, the number of the limiting grooves is 2-40.

Preferably, the opening of the annular limiting seat is opposite to one side of the locking column.

Preferably, the diameter of the hanging fixed head is smaller than that of the annular limiting seat, the hanging fixed head is abutted against the lower pressing plate when the upper pressing plate and the lower pressing plate are in a pressing state, and gaps of 0.5-3cm are formed between the two ends of the hanging fixed head and the annular limiting seat.

To sum up, the utility model discloses beneficial effect does: the utility model provides a spherical and annular hooking device lock. Any size of ball or ring/pin hitch can be secured, suitable for use with a variety of trailers, and the hitch lock includes a hitch that prevents a thief from pulling the trailer away.

The present invention will be further explained with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a rear view of the overall structure of the present invention;

fig. 3 is a bottom view of the upper platen of the present invention;

fig. 4 is a top view of the upper platen of the present invention;

fig. 5 is a top view of the lower pressing plate of the present invention;

figure 6 is a schematic view of the locking element holder of figure 3 at a;

figure 7 is a schematic view of the internal structure of the lock body at B in figure 6;

fig. 8 is a schematic structural view of a locking member seat of the present invention;

fig. 9 is a schematic view of the internal structure of the lock body of the present invention;

fig. 10 is a schematic view of the latch bolt of the present invention.

The labels in the figure are: the locking device comprises an upper pressing plate 1, a lower pressing plate 2, a hanging fixing head 3, an annular limiting seat 4, a locking sleeve 5, a locking piece 6, a locking piece placing seat 7, a locking column 8, an annular groove 31, a bayonet 51, a lock body 61, a movable opening 611, a matching locking tongue 62, a locking pin 63, a locking pin groove 632, a locking driving piece 64, an elastic piece 65, a clamping groove 631, a driving rotating head 641, a locking piece placing groove 71 and a limiting groove 81.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.

As shown in fig. 1 to 5, the spherical and annular hitch lock comprises an upper press plate 1 and a lower press plate 2, the design mainly works through the upper press plate 1 and the lower press plate 2, the upper press plate 1 is provided with a hitch fixing head 3, the hitch fixing head 3 is a cylindrical solid body, the hitch fixing head 3 is provided with an annular groove 31, the annular groove 31 is positioned in the middle part of the hitch fixing head 3, the hitch fixing head 3 is a welding part, the hitch fixing head 3 is fixedly connected with the upper press plate 1 through welding, the annular groove 31 mainly cooperates with a hitch on a trailer, the hitch fixing head 3 in the design can fix spherical or annular/bolt type hitch of any size; the upper pressing plate 1 is provided with a locking sleeve 5, a locking piece 6 and a locking piece placing seat 7 for installing the locking piece 6 in a matching mode, the locking sleeve 5 and the locking piece placing seat 7 are welding pieces, the locking piece placing seat 7 is provided with an installation area for placing the locking piece 6, and the locking piece placing seat 7 is arranged on the adjacent side of the locking sleeve 5; be equipped with the latch fitting standing groove 71 of placing latch fitting 6 on the installing zone that the seat 7 was placed to the latch fitting, locking cover 5 place seat 7 with the latch fitting and adopt welded fastening in top board on 1, the two all is located same terminal surface, just locking cover 5 place seat 7 can be integrated into one piece also can weld with top board 1 respectively with the latch fitting.

The lower pressing plate 2 is provided with an annular limiting seat 4 and a locking column 8, the annular limiting seat 4 is processed into a semicircular arc shape, the annular limiting seat 4 is arranged on the end surface of the lower pressing plate 2, the annular limiting seat 4 is a welding part, the annular limiting part 4 is fixedly connected with the lower pressing plate 2 by welding, the diameter of the annular limiting part 4 is larger than that of the hanging fixing head 3, when the upper pressing plate 1 is pressed on the lower pressing plate 2 in a working state, a containing space is formed between the end surface of the annular limiting seat 4 and the lower pressing plate 2, the hanging fixing head 3 is in contact with the lower pressing plate 2 and is positioned in the middle of the annular limiting seat 4, at the moment, the two ends of the hanging fixing head 3 and the annular limiting seat 4 are provided with gaps of 0.5-3cm from left to right and from front to back, the gap difference is obtained by multiple tests, and the annular limiting seat 4 mainly plays a role in; the locking sleeve 5 is provided with a cavity channel, the locking piece 6 is used for realizing locking or opening the upper pressure plate 1 and the lower pressure plate 2, and the locking column 8 extends into the adaptive cavity groove and is locked by the locking piece 6.

Fig. 6 is a schematic view of a locking piece placing seat 7 at a in fig. 3, fig. 7 is a schematic view of a structure inside a locking body at B in fig. 6, as shown in fig. 6 and fig. 7, a locking piece 6 includes a matching locking tongue 62, a locking body 61 driving the matching locking tongue 62 to move, and a movable opening 611 matching the locking tongue 62 to move, the locking sleeve 5 is provided with a bayonet 51 facilitating the matching locking tongue 62 to extend into, a locking post 8 is provided with 2 to 40 limiting

grooves

81, 4 to 20 limiting grooves 81 are provided to facilitate the matching locking tongue 62 on the locking piece 6 to lock, the locking body 61 is a locking cylinder, the matching locking tongue 62 is matched with the locking cylinder, the locking body 61 includes a locking pin 63, an elastic member 65, and a locking driving member 64, in this design, the elastic member 65 is specifically provided with a spring, the locking body 61 is of a cylindrical solid structure, one end of the elastic member 65 is installed on the, the other end is connected at locking pin 63, cooperation spring bolt 62 is connected at the left end of locking pin 63, spring bolt 62 and locking pin 63 integrated into one piece, locking pin 63 opens there is draw-in groove 631, lock driving piece 64 is equipped with the drive rotating head 641 that is the cuboid form, drive rotating head 641 terminal surface pastes on the draw-in groove 631 inner wall, lock driving piece 64 drives locking pin 63 activity through the rotation, under the operating condition, articulate fixed head 3 and holding down plate 2 inconsistent, latch fitting 6 overlaps locking column 8 in locking cover 5, top board 1 compresses tightly with holding down plate 2 this moment, after locking, drive rotating head 641 rotate to the minimum one side of area block on the draw-in groove 631 rightmost end inner wall on locking pin 63, locking pin 63 will cooperate spring bolt 62 to impel in the locking cover 5, cooperation spring bolt 62 block locking column 8 upper limit recess 81 and lock, the locking of the trailer is realized; after the locking piece 6 is opened, the lock driving piece 64 rotates, the driving rotating head 641 rotates to the surface with the largest area and is clamped on the inner wall at the rightmost end of the clamping groove 631 on the locking pin 63, the locking pin 63 moves in the direction of the spring at the moment, so that the locking bolt 62 is matched to leave the locking sleeve 5, and the upper pressing plate 1 and the lower pressing plate 2 can be separated at the moment.

Example 2

As shown in fig. 8 to 10, the lock driving member 64 is disposed on the lock cylinder, the lock driving member 64 has a driving rotating head 641, the driving rotating head 641 and the lock driving member 64 are integrally formed, the locking pin 63 has a locking pin groove 632 for fittingly mounting the driving rotating head 641, the locking pin groove 632 is used in cooperation with the driving rotating head 641, the driving rotating head 641 and the locking pin 63 have an elastic member 65 therebetween, in this design, the elastic member 65 is specifically a spring, one end of the spring is mounted at the end of the driving rotating head 641, the other end of the spring abuts against the bottom of the locking pin groove 632, the locking pin 63 and the locking tongue 62 are integrally formed, the locking pin 63 is cylindrical, the portion of the locking tongue 62 contacting with the limiting groove 81 on the locking cylinder 8 is processed into an inclined surface, and the lock cylinder, the lock driving member 64, the lock cylinder, the lock driving member 64, Drive rotating head 641 and locking pin 63 are all on the collinear, and when top board 1 and holding down plate 2 were connected through locking cover 5 and locking post 8, the latch fitting was under locking state, lock driving piece 64 drive locking pin 63 activity through lock core clockwise rotation 90, spacing recess 81 on the latch fitting locking post 8 of spring bolt 62 front end, the 90 can open latch fitting 6 of anticlockwise rotation of the same reason, spring bolt 62 natural state under be located the bayonet 51 of locking cover 5.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims

1. Spherical and annular hooking device lock, its characterized in that: the clamp comprises an upper pressing plate (1) and a lower pressing plate (2), wherein the upper pressing plate (1) is provided with a hanging fixed head (3), and the hanging fixed head (3) is provided with an annular groove (31); have spacing seat of annular (4) and locking post (8) on holding down plate (2), on holding down plate (2) terminal surface was located in spacing seat of annular (4), spacing seat of annular (4) terminal surface is formed with accommodation space with holding down plate (2), there are spacing recess (81) more than two on the terminal surface of locking post (8) at least, top board (1) is opened locking cover (5) that have the chamber way and is used for realizing the locking or opens latch fitting (6) of top board (1) and holding down plate (2), locking post (8) extend in the adaptation chamber groove and through latch fitting (6) locking.

2. The ball and ring hitch lock of claim 1, wherein: the upper pressure plate (1) is provided with a locking piece placing seat (7), the locking piece placing seat (7) is provided with a mounting area for placing a locking piece (6), and the locking piece placing seat (7) is arranged on the adjacent side of the locking sleeve (5); be equipped with on the installing zone of latch fitting place seat (7) and place latch fitting standing groove (71) of latch fitting (6), latch fitting (6) are including cooperation spring bolt (62), lock body (61) and cooperation spring bolt (62) the motion of drive cooperation spring bolt (62) activity mouth (611), locking cover (5) open bayonet socket (51) that are convenient for cooperate spring bolt (62) to stretch into.

3. The ball and ring hitch lock of claim 2, wherein: the lock body (61) is a lock cylinder, and the matching lock tongue (62) is matched with the lock cylinder.

4. The ball and ring hitch lock of claim 3, wherein: lock body (61) are including locking pin (63), elastic component (65) and lock driving piece (64), elastic component (65) one end install and place seat (7) at the latch fitting, the other end is connected at locking pin (63), cooperation spring bolt (62) are connected at the locking pin (63) other end, locking pin (63) are opened there are draw-in groove (631), lock driving piece (64) are equipped with drive rotating head (641), and drive rotating head (641) terminal surface pastes on draw-in groove (631) inner wall, lock driving piece (64) through rotatory drive locking pin (63) activity.

5. The ball and ring hitch lock of claim 4, wherein: the lock tongue (62) and the locking pin (63) are integrally formed.

6. The ball and ring hitch lock of claim 4, wherein: lock driving piece (64) sets up on the lock core, lock driving piece (64) on have drive rotating head (641), drive rotating head (641) and lock driving piece (64) shaping are as an organic whole, locking pin (63) on set up locking pin recess (632) of cooperation installation drive rotating head (641), elastic component (65) have between drive rotating head (641) and locking pin (63), elastic component (65) one end install in the end of drive rotating head (641), the tank bottom of the locking pin recess (632) of other end conflict, lock core, lock driving piece (64), drive rotating head (641) and locking pin (63) all are on same straight line, lock driving piece (64) through the rotatory locking pin (63) activity of drive of lock core.

7. The ball and ring hitch lock of claim 1, wherein: the number of the limiting grooves (81) is 2-40.

8. The ball and ring hitch lock of claim 1, wherein: the opening of the annular limiting seat (4) is back to one side of the locking column (8).

9. The ball and ring hitch lock of claim 1, wherein: the diameter of the hanging fixing head (3) is smaller than that of the annular limiting seat (4), the hanging fixing head (3) is abutted against the lower pressing plate (2) under the state that the upper pressing plate (1) and the lower pressing plate (2) are pressed tightly, and gaps of 0.5-3cm are formed between the two ends of the hanging fixing head (3) and the annular limiting seat (4).