CN209799642U

CN209799642U - Folding lock

Info

Publication number: CN209799642U
Application number: CN201822039243.2U
Authority: CN
Inventors: 吕浩仲
Original assignee: Sinox Co ltd
Current assignee: Sinox Co ltd
Priority date: 2018-10-30
Filing date: 2018-12-06
Publication date: 2019-12-17
Anticipated expiration: 2028-12-06
Also published as: TWM575046U

Abstract

the utility model discloses a folding lock contains the member of lock body and a plurality of mutual pin joints. The lock body is provided with a first end face and a second end face which are positioned at two opposite ends, and a lock body side face positioned between the first end face and the second end face. The lock body comprises a lock core and a groove. The lock core is arranged in the lock body. The groove is arranged on the second end surface, extends from inside to outside, and forms a groove inlet on the side surface of the lock body. The length of the rod pieces is same, the rod pieces with shorter length are positioned between the rod pieces with longer length, one of the two rod pieces with the longest length in the rod pieces is pivoted on the first end surface, and the other rod piece can be inserted into the groove from the groove inlet and can be locked by the lock core.

Description

folding lock

Technical Field

the utility model relates to a folding lock, this folding lock mainly have a lock body and a plurality of member, especially a member can overlap in the lock body outside to reduce the folding lock of tool to lock volume.

Background

As for the lock, the U.S. Pat. No. 7,712,339 discloses a lock mainly composed of a lock body and a chain belt (joint bar hop) formed by connecting a plurality of rod bodies, which can be folded and closed when not in use to reduce the volume when in storage; a similar lock structure is also disclosed in taiwan patent No. M350495.

Compared with the traditional U-shaped latch, the lock has the defect of large volume, and the lock has the advantage of reducing the volume during storage; however, the existing locks still have room for improvement in pursuit of reduction in volume during storage, and the appearance of the locks after storage should be taken into consideration during design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding lock to solve the above-mentioned problem that the background art meets with.

the utility model discloses a folding lock contains lock body, first member, second member, third member and fourth member. The lock body is provided with a first end face and a second end face which are positioned at two opposite ends, and a lock body side face positioned between the first end face and the second end face. The lock body comprises a lock core and a groove. The lock core is arranged in the lock body. The groove is arranged on the second end surface, extends from inside to outside, and forms a groove inlet on the side surface of the lock body. The first rod piece is provided with a first A end and a first B end which are positioned at two opposite ends, wherein the first A end is pivoted with the first end surface. The second rod piece is provided with a second A end and a second B end which are positioned at two opposite ends, wherein the second A end is pivoted with the first B end. The third rod has a third A end and a third B end at opposite ends, wherein the third A end is pivoted to the second B end. The fourth rod element has a fourth A end and a fourth B end at two opposite ends, wherein the fourth A end is pivoted to the third B end, and the fourth B end can be inserted into the groove from the groove inlet and can be locked by the lock core. The first rod piece, the second rod piece, the third rod piece and the fourth rod piece can rotate relative to the extending direction of the axis passing through two opposite ends of the lock body respectively, the length of the first rod piece is the same as that of the fourth rod piece, the length of the second rod piece is the same as that of the third rod piece, and the length of the first rod piece is larger than that of the second rod piece.

In an embodiment of the present invention, when the fourth B end is inserted into the groove, the first rod, the second rod, the third rod, and the fourth rod may be parallel to each other.

In the embodiment of the present invention, the cross section of the groove is a T-shaped structure, the top of the T-shaped structure is located in the lock body, and the bottom of the T-shaped structure is located at the second end face.

In an embodiment of the present invention, the foldable lock further comprises a rod connecting member, and both ends of the rod connecting member are respectively pivoted to the second B end and the third a end.

In an embodiment of the present invention, when the fourth B-end is inserted into the groove, the rod connection member is adjacent to the side of the lock body.

In an embodiment of the present invention, the folding lock includes a lock body and a plurality of rods pivotally connected to each other. The lock body is provided with a first end face and a second end face which are positioned at two opposite ends, and a lock body side face positioned between the first end face and the second end face. The lock body comprises a lock core and a groove. The lock core is arranged in the lock body. The groove is arranged on the second end surface, extends from inside to outside, and forms a groove inlet on the side surface of the lock body. The length of the rod pieces is same, the rod pieces with shorter length are positioned between the rod pieces with longer length, one of the two rod pieces with the longest length in the rod pieces is pivoted on the first end surface, and the other rod piece can be inserted into the groove from the groove inlet and can be locked by the lock core.

In an embodiment of the present invention, when another of the plurality of rod members is inserted into the groove, the plurality of rod members may be parallel to each other.

In an embodiment of the present invention, the folding lock further includes a rod connecting member, and both ends of the rod connecting member are respectively pivoted to two rods with the shortest length in the plurality of rods.

In an embodiment of the present invention, the rod connecting member contacts the lock body side when another one of the plurality of rods is inserted into the groove.

Based on the aforesaid, the utility model provides a reducible volume of accomodating of chain lock to can solve the problem that the background art mentioned.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the scope of the claims as claimed.

Drawings

Fig. 1A to 1C are schematic views illustrating an embodiment of the folding lock according to the present invention when the rod is folded;

Fig. 2A to 2C are schematic views illustrating an embodiment of the folding lock according to the present invention when the rod member is unfolded;

Fig. 3A to 3C are schematic views illustrating an embodiment of the fourth B end of the folding lock of the present invention inserted into the groove;

fig. 4 is a schematic view of a different embodiment of the folding lock of the present invention.

Description of the main element symbols:

100 lock body

101 first end face

102 second end face

103 lock body side

110 lock core

120 groove

121 groove entrance

140 operating element

150 key hole

200 rod

200' rod

200' rod piece

210 first bar

211 first A terminal

212 first B terminal

220 second rod piece

221 second A terminal

222 second B terminal

230 third pole

231 third A terminal

232 third B terminal

240 fourth bar element

241 fourth A terminal

242 fourth B terminal

290 bar connection member

401 axis

402 direction

900 folding lock

L₂₁₀Length of

L₂₂₀Length of

L₂₃₀Length of

L₂₄₀Length of

Detailed Description

As shown in fig. 1A to 1C, the folding lock 900 of the present invention includes a lock body 100, a first rod 210, a second rod 220, a third rod 230, and a fourth rod 240. The lock body 100 has a first end surface 101 and a second end surface 102 at opposite ends, and a lock body side surface 103 between the first end surface 101 and the second end surface 102. The lock body 100 includes a lock cylinder 110 and a recess 120. The lock cylinder 110 is disposed in the lock body 100.

As shown in fig. 1A to 1C, the groove 120 is disposed on the second end surface 102, extends from inside to outside, and forms a groove entrance 121 on the lock body side surface 103. In other words, the groove 120 is formed inward from the edge of the second end surface 102 at the second end surface 102, and has a groove entrance 121 at the lock body side surface 103. In the embodiment shown in fig. 1A, the cross-section of the groove 120 is a T-shaped structure, the top of the T-shaped structure is located in the lock body 100, and the bottom of the T-shaped structure is located at the second end surface 102. However, in various embodiments, the cross-section of the groove 120 may be other shapes such as circular, triangular, etc.

As shown in fig. 1A to 1C, the first rod 210 has a first a end 211 and a first B end 212 at opposite ends, wherein the first a end 211 is pivotally connected to the first end surface 101. The second rod 220 has a second a end 221 and a second B end 222 at opposite ends, wherein the second a end 221 is pivotally connected to the first B end 212. The third rod 230 has a third a-end 231 and a third B-end 232 at opposite ends, wherein the third a-end 231 is pivotally connected to the second B-end 222. The fourth rod 240 has a fourth a end 241 and a fourth B end 242 at two opposite ends, wherein the fourth a end 241 is pivotally connected to the third B end 232, and the fourth B end 242 can be inserted into the groove 120 through the groove inlet 121 and can be locked by the lock cylinder 110.

As shown in fig. 1A to 1C, the folding lock 900 further includes a rod connector 290, wherein two ends of the rod connector 290 are pivotally connected to the second B-end 222 and the third a-end 231, respectively. In other words, the second link 220 and the third link 230 are pivotally connected to each other by the second B-end 222 and the third a-end 231 being pivotally connected to the link connector 290. However, in various embodiments, the second B-end 222 and the third a-end 231 can be directly pivoted without passing through the lever connection 290. When the fourth B-end 242 is inserted into the recess 120, the lever member connector 290 is adjacent the lock body side 103.

The first bar 210, the second bar 220, the third bar 230, and the fourth bar 240 are respectively rotatable with respect to an extending direction of an axis 401 passing through opposite ends of the lock body 100. In other words, as shown in the embodiment of fig. 1B and 1C, the first rod 210, the second rod 220, the third rod 230, and the fourth rod 240 can rotate in the same or opposite directions of the direction 402. Viewed from different angles, the first rod 210, the second rod 220, the third rod 230, and the fourth rod 240 respectively rotate on different planes parallel to each other and perpendicular to the axis 401.

The length L of the first rod 210₂₁₀And the length L of the fourth rod 240₂₄₀Same, the length L of the second rod 220₂₂₀And the length L of the third rod 230₂₃₀Same, the length L of the first rod 210₂₁₀Is greater than the length L of the second rod 220₂₂₀. When the fourth B-end 242 is inserted into the groove 120, the first rod 210, the second rod 220, the third rod 230, and the fourth rod 240 may be parallel to each other. Viewed from different angles, the first rod 210 and the fourth rod 240 having the same length may be regarded as one group, and the second rod 220 and the third rod 230 having the same length may be regarded as another group inside thereof. Since the length of the inner two bars 220, 230 is less than that of the outer two bars 210, 240, the inner two bars 220, 230 can be parallel to the outer two bars 210, 240 when the fourth B-end 242 is inserted into the groove 120. Based onAbove-mentioned, the utility model discloses a reducible volume of accomodating of folding lock 900 to can solve the problem that the background art mentioned.

The manner of use of the folding lock 900 of the present invention is further described below.

As shown in the embodiments of fig. 2A-2C, the first bar 210, the second bar 220, the third bar 230, and the fourth bar 240 are rotatable to be pulled away from the lock body 100 by a user and into an object to be locked (e.g., a bicycle rim). Then, as in the embodiment shown in fig. 3A to 3C, the fourth B-end 242 is inserted into the groove 120 from the groove entrance 121, and the fourth B-end 242 is restricted from leaving the groove entrance 121 by the key cylinder 110.

More specifically, the lock cylinder 110 may have elements such as a lock shaft lever. When the lock cylinder 110 is in an unlocked state, for example, after a user inserts a key into the key hole 150 to unlock the lock, or after the lock cylinder of a combination lock is unlocked by the user turning the number wheel, the lock shaft rod can move in the lock body 100, and when the lock cylinder 110 is in a locked state, the movement of the lock shaft rod in the lock body 100 is limited. The structure of the lock core belongs to a well-known structure, and is not described in detail herein. When the fourth B-end 242 is inserted into the groove entrance 121, the lock shaft of the lock cylinder 110 is engaged with the fourth B-end, so as to restrict the fourth B-end from leaving the groove entrance 121, thereby achieving the purpose of locking. However, in different embodiments, the fourth B-end 242 may be provided with a positioning hole, or be ring-shaped or hook-shaped for inserting the locking shaft. On the other hand, the lock attachment needs to be released, the lock core 110 only needs to be unlocked, the movement restriction of the lock shaft rod is released, the lock shaft rod can leave the fourth B end 242, and the fourth B end 242 can be separated from the groove 120, so that the lock attachment is released. The folding lock 900 may further include an operating member 140 for operating the engagement of the lock cylinder 110 with the fourth B-end 242.

in the aforementioned embodiment, the folding lock 900 includes the first link 210, the second link 220, the third link 230, and the fourth link 240. However, in various embodiments, the fold locks may increase the number of rods depending on manufacturing, design, or use requirements. Further, more bars may increase the overall length of the unfolded bars that are pivotally connected to each other, allowing the fold lock to lock an object to a larger object (e.g., a support post of a building).

More specifically, as shown in the embodiment of fig. 4, the folding lock 900 includes a lock body 100 and a plurality of levers 200 pivotally connected to each other. The lock body 100 has a first end surface 101 and a second end surface 102 at opposite ends, and a lock body side surface 103 between the first end surface 101 and the second end surface 102. The lock body 100 includes a lock cylinder 110 and a recess 120. The lock cylinder 110 is disposed in the lock body 100. The groove 120 is disposed on the second end surface 102, extends from inside to outside, and forms a groove entrance 121 on a side surface of the lock body 103. The rods 200 have the same length, the rods 200 with shorter length are located between the rods 200 with longer length, one rod (200 ') of the two rods 200 with the longest length is pivoted to the first end face 101, and the other rod (200') can be inserted into the groove 120 through the groove inlet 121 and can be locked by the lock core 110.

As shown in the embodiment of fig. 4, when another (200 ") of the plurality of rods 200 is inserted into the groove 120, the plurality of rods 200 may be parallel to each other.

In the embodiment shown in fig. 4, the cross-section of the groove 120 is a T-shaped structure, the top of the T-shaped structure is located in the lock body 100, and the bottom of the T-shaped structure is located at the second end surface 102. However, in various embodiments, the cross-section of the groove 120 may be other shapes such as circular, triangular, etc.

As shown in fig. 4, the folding lock 900 further comprises a rod connector 290, wherein two ends of the rod connector 290 are respectively pivoted to two rods with the shortest length among the rods 200. However, in various embodiments, the two links with the shortest length of the plurality of links 200 can be pivotally connected directly without passing through the link connector 290.

Although the foregoing description and drawings disclose preferred embodiments of the invention, it should be understood that various additions, modifications and substitutions may be made therein without departing from the spirit and scope of the present invention as defined in the accompanying claims. Those skilled in the art will appreciate that the invention may be used with many modifications of form, structure, arrangement, proportions, materials, elements and components. Accordingly, the embodiments disclosed herein should be considered in descriptive sense only and not for purposes of limitation. The scope of the present invention should be determined by the claims and their legal equivalents are covered thereby and are not limited to the foregoing description.

Claims

1. a fold lock, comprising:

A lock body, have a first terminal surface and a second terminal surface that is located opposite both ends to and be located a lock body side between this first terminal surface and this second terminal surface, this lock body contains:

A lock core arranged in the lock body; and

A groove arranged on the second end surface, extending from inside to outside, and forming a groove inlet on the side surface of the lock body;

A first rod having a first end A and a first end B at opposite ends, wherein the first end A is pivotally connected to the first end surface;

A second rod having a second A end and a second B end at opposite ends, wherein the second A end is pivotally connected to the first B end;

A third rod having a third A end and a third B end at opposite ends, wherein the third A end is pivotally connected to the second B end; and

A fourth rod having a fourth A end and a fourth B end at opposite ends, wherein the fourth A end is pivotally connected to the third B end, and the fourth B end is inserted into the groove through the groove entrance and locked by the lock cylinder;

The first rod piece, the second rod piece, the third rod piece and the fourth rod piece can rotate relative to the extending direction of an axis passing through two opposite ends of the lock body respectively, the length of the first rod piece is the same as that of the fourth rod piece, the length of the second rod piece is the same as that of the third rod piece, and the length of the first rod piece is larger than that of the second rod piece.

2. The fold lock of claim 1, wherein the first bar, the second bar, the third bar, and the fourth bar are parallel to each other when the fourth B-end is inserted into the groove.

3. The lock of claim 1, wherein the cross-section of the slot is a T-shaped structure, the top of the T-shaped structure being located within the lock body and the bottom of the T-shaped structure being located at the second end.

4. The folding lock of claim 1, further comprising a bar linkage having two ends pivotally connected to the second end B and the third end a, respectively.

5. The folding lock of claim 4, wherein said lever member connecting member is adjacent to said lock body side when said fourth B-end is inserted into said recess.

6. A fold lock, comprising:

A lock core arranged in the lock body; and

A groove arranged on the second end surface, extending from inside to outside, and forming a groove inlet on the side surface of the lock body; and

The pin joint of a plurality of member bars, wherein the length of the member bars is the same two by two, the member bar with shorter length is positioned between the member bars with longer length, one of the two member bars with the longest length in the member bars is pin joint with the first end surface, and the other member bar can be inserted into the groove from the groove inlet and can be locked by the lock core.

7. The fold lock of claim 6, wherein the plurality of bars are parallel to each other when another of the plurality of bars is inserted into the groove.

8. The lock of claim 6, wherein the cross-section of the slot is a T-shaped structure, the top of the T-shaped structure being located within the lock body and the bottom of the T-shaped structure being located at the second end.

9. the folding lock of claim 6, further comprising a bar linkage pivotally connected at each end to the two bars of the shortest length of the plurality of bars.

10. The folding lock of claim 9, wherein said lever member connecting member is adjacent to a side of said lock body when another of said plurality of lever members is inserted into said recess.