CN219412210U

CN219412210U - U-shaped lock

Info

Publication number: CN219412210U
Application number: CN202320699264.5U
Authority: CN
Inventors: 张鸿亮; 张绚程; 任稳默
Original assignee: Wenzhou Liangcheng Hardware Co ltd
Current assignee: Wenzhou Liangcheng Hardware Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-25
Anticipated expiration: 2033-03-29

Abstract

The utility model relates to a U-shaped lock, which comprises a U-shaped lock ring, wherein a plurality of clamping grooves are formed in the inner side of a straight rod at the lower part of the U-shaped lock ring; the lock body is provided with a lock hole for the insertion and connection of a straight rod at the lower part of the U-shaped lock ring, the inner wall of the lock hole is provided with a through hole, the lock body is internally provided with a ball matched with the through hole and a push rod pushing out the ball to enable the ball to be partially exposed in the lock hole, the push rod is matched with a coded lock mechanism in the lock body and is provided with a preset structure which can retract under extrusion, and the coded lock mechanism can prevent the push rod from changing under the extrusion and retraction structure in a locking state; wherein, the ball part can be in interference connection with the clamping groove when being exposed in the lock hole. The beneficial effects of the utility model are as follows: when the lock body is in an unlocking state, the lock body can move freely no matter upwards or downwards on the U-shaped lock ring, other operations are not needed, so that the position of the lock body on the U-shaped lock ring is more convenient to adjust, and the use of the lock body is simpler.

Description

U-shaped lock

Technical Field

The utility model relates to the technical field of locks, in particular to a U-shaped lock.

Background

The U-shaped lock is a very common lock in daily life, but the existing U-shaped lock has a plurality of inconveniences in the daily use process.

Say chinese patent 2019221945860 discloses a U type lock, including lock body and U type lock steel ring, the lock body includes lock shell and locking closure, be equipped with trick lock mechanism, lock core mechanism and unblock floodgate in the lock shell, trick lock mechanism is including setting up the erection column on lock body upper portion, be equipped with the locating wheel on the erection column, the locating wheel is gone up the trick wheel, the trick wheel below is equipped with the unlocking plate, the unlocking plate corresponds the trick wheel and is equipped with fretwork portion, the unlocking plate front end is equipped with square extension, erection column one side is equipped with dials the fender, it is equipped with the push-piece to dial the top, the push-piece sets up on the locking closure, the erection column opposite side is equipped with first spring, lock core mechanism sets up in trick lock mechanism below, including a lock core outside is equipped with around the platform, around the platform top is equipped with the locating piece, the locating piece both sides are equipped with the flange, the flange position is equipped with the spacing groove on the locating wheel, the unlocking platform downside is equipped with trapezoidal flange, the unlocking platform side is equipped with trapezoidal flange side, the unlocking platform side is equipped with the fretwork portion, the right angle is equipped with the square flange, install the right angle is equipped with the right angle and is equipped with the trapezoidal flange, a plurality of right angle and is equipped with the right angle trapezoidal, the right angle is equipped with the right angle groove.

The lock body is locked by inserting the right trapezoid flanges into the lock grooves, and the positions of the lock body on the U-shaped lock steel ring are adjusted by arranging a plurality of lock grooves to be matched with the right trapezoid flanges, but because the right trapezoid flanges are in right trapezoid shapes, when the right trapezoid flanges are inserted into the lock grooves and the U-shaped lock is in an unlocking state, the lock body can only move upwards in one direction on the U-shaped lock steel ring, but when the lock body needs to move downwards on the U-shaped lock steel ring, the lock body can be pulled to move downwards only by manually pressing a push key or screwing a lock cylinder to completely separate the right trapezoid flanges from the lock grooves, so that the lock body is inconvenient to move on the U-shaped lock steel ring, and the position adjustment is troublesome.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a U-shaped lock so as to solve the problems.

The technical scheme of the utility model is realized as follows: a U-shaped lock comprises a lock body,

the U-shaped lock ring is provided with a plurality of clamping grooves on the inner side of a straight rod at the lower part of the U-shaped lock ring;

the lock body is provided with a lock hole for the insertion and connection of a straight rod at the lower part of the U-shaped lock ring, the inner wall of the lock hole is provided with a through hole, the lock body is internally provided with a ball matched with the through hole and a push rod pushing out the ball to enable the ball to be partially exposed in the lock hole, the push rod is matched with a coded lock mechanism in the lock body and is provided with a preset structure which can retract under extrusion, and the coded lock mechanism can prevent the push rod from changing under the extrusion and retraction structure in a locking state;

wherein, the ball part can be in interference connection with the clamping groove when being exposed in the lock hole.

By adopting the technical scheme, when the push rod is in a non-extruded state, the push rod can completely display a preset structure, and can push the ball to one side of the lock hole so that part of the ball is exposed out of the through hole and enters the clamping groove; when the coded lock mechanism is in an unlocking state, the push rod realizes retraction change when being extruded, so when the U-shaped lock ring or the lock body is moved, the ball can be separated from the contact between the clamping groove and the inner side wall of the U-shaped lock ring, and the ball is completely arranged in the through hole (i.e. is not exposed outside the through hole), so that the retraction change when the push rod is extruded is generated, and therefore, when the coded lock mechanism is in the unlocking state, the lock body can freely move no matter the lock body moves upwards or downwards on the U-shaped lock ring, other operations are not needed, the position of the lock body on the U-shaped lock ring is more convenient to adjust, and the use of the coded lock mechanism is simpler.

The utility model is further provided with: the push rod includes:

the abutting part is in abutting connection with one end of the ball away from the clamping groove, a spring is arranged on one side of the abutting part away from the ball, one end of the spring is connected with the abutting part, and the other end of the spring is connected with the inside of the lock body;

the transmission part is matched with the coded lock mechanism;

wherein, the transmission part is fixedly connected with the abutting part.

Through adopting above-mentioned technical scheme, thereby the push rod can inwards move when receiving the extrusion and make the spring retract along with taking place also, consequently the spring utilizes self elasticity when the extrusion force disappears can push the push rod to initial position to this spring can effectually drive push rod promotion ball, and also can utilize the elasticity of spring to compress tightly the ball in the draw-in groove, makes its cooperation more high-efficient.

The utility model is further provided with: the inner wall of one end of the through hole close to the lock hole is provided with an arc-shaped surface matched with the outer wall of the ball, and the minimum inner diameter of the arc-shaped surface is smaller than the diameter of the ball.

Through adopting above-mentioned technical scheme, can effectually restrict the ball in the lock body and avoid the ball to fall out, can also make the ball effectual with draw-in groove matched with.

The utility model is further provided with: the clamping groove is in an isosceles trapezoid shape, and the included angle between two side surfaces of the clamping groove is 90 degrees.

Through adopting above-mentioned technical scheme, can make the ball roll into the draw-in groove or roll out the draw-in groove and all relax more to make the removal of lock body on the U type catch more relaxed.

The utility model is further provided with: the coded lock mechanism comprises:

the password wheels are arranged in a plurality of ways and are rotationally connected in the lock body, a plurality of numbers are circumferentially arranged on the outer wall of each password wheel, and grooves are formed between adjacent numbers;

the control board is arranged at the lower side of the password wheel and is used for removing the restriction on the movement of the push rod through rotation, and the control board is matched with the password wheel;

the elastic plate is arranged below the control plate, and one side of the elastic plate is provided with a plurality of elastic sheets;

the elastic plate and the password wheel correspondingly extend into the groove, and one side of the elastic plate, which is far away from the elastic plate, is fixed in the lock body.

Through adopting above-mentioned technical scheme, the shell fragment on the elastic plate can block into in the recess when the cipher wheel rotates to make the cipher wheel have the card to feel when rotating, make more convenient, light to the rotation control of cipher wheel.

The utility model is further provided with: the elastic plate and the elastic sheet are integrally formed and made of titanium alloy.

By adopting the technical scheme, the titanium alloy material has better elasticity, longer service life and difficult damage.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of embodiment a of the present utility model.

Fig. 3 is a schematic structural view of an elastic plate according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the present utility model discloses a U-lock, comprising,

the U-shaped lock ring 1, wherein a plurality of clamping grooves 10 are formed in the inner side of a straight rod at the lower part of the U-shaped lock ring 1;

the lock comprises a lock body 2, wherein a lock hole 20 for the insertion and connection of a straight rod at the lower part of a U-shaped lock ring 1 is arranged on the lock body 2, a through hole 21 is formed in the inner wall of the lock hole 20, a ball 22 matched with the through hole 21 and a push rod 23 for pushing out the ball 22 so that the ball 22 is partially exposed in the lock hole 20 are arranged in the lock body 2, the push rod 23 is matched with a coded lock mechanism 3 in the lock body 2 and is provided with a preset structure which can be retracted by extrusion, and the coded lock mechanism 3 prevents the push rod 23 from changing in the structure which can be retracted by extrusion under the locking state;

wherein, the ball 22 can be in interference connection with the card slot 10 when partially exposed in the lock hole 20.

By adopting the technical scheme, when the push rod 23 is in the non-extrusion state, the push rod 23 can completely display a preset structure, and can push the ball 22 to one side of the lock hole 20 so that part of the ball 22 is exposed out of the through hole 21 and enters the clamping groove 10, when the coded lock mechanism 3 is in the locking state, the push rod 23 cannot realize retraction change during extrusion, so that the ball 22 is limited to always keep the presentation state of partially exposing out of the through hole 21, and the ball 22 is always kept in the clamping groove 10 to lock the U-shaped lock ring 1; when the coded lock mechanism 3 is in an unlocking state, the push rod 23 realizes retraction change when being extruded, so when the U-shaped lock ring 1 or the lock body 2 is moved, the ball 22 can be separated from the contact between the clamping groove 10 and the inner side wall of the U-shaped lock ring, so that the ball 22 is completely arranged in the through hole 21, namely is not exposed outside the through hole 21, the retraction change when the push rod 23 is extruded is generated, and therefore, when the coded lock mechanism is in the unlocking state, the lock body 2 can move freely no matter upwards or downwards on the U-shaped lock ring 1, other operations are not needed, the position of the lock body 2 on the U-shaped lock ring 1 is more convenient to adjust, and the coded lock is simpler to use.

In the embodiment of the present utility model, the push rod 23 includes:

the abutting part 230 is in abutting connection with one end of the ball 22 away from the clamping groove 10, one side of the abutting part 230 away from the ball 22 is provided with a spring 4, one end of the spring 4 is connected with the abutting part 230, and the other end is connected with the inside of the lock body 2;

a transmission part 231, wherein the transmission part 231 is matched with the coded lock mechanism 3;

wherein, the transmission part 231 is fixedly connected with the abutting part 230.

Through adopting above-mentioned technical scheme, thereby push rod 23 can inwards move when receiving the extrusion and make spring 4 also retract along with taking place, consequently spring 4 utilizes self elasticity when the extrusion force disappears can push rod 23 to initial position to this spring 4 can effectually drive push rod 23 promote ball 22, and also can utilize spring 4's elasticity to compress tightly ball 22 in the draw-in groove, makes its cooperation more high-efficient.

In this embodiment of the present utility model, the inner wall of the end of the through hole 21 near the lock hole 20 is provided with an arc surface matched with the outer wall of the ball 22, and the minimum inner diameter of the arc surface is smaller than the diameter of the ball 22.

Through adopting above-mentioned technical scheme, can effectually restrict ball 22 in lock body 2 and avoid ball 22 to fall out, can also make ball 22 effectual and draw-in groove 10 matched with.

In the embodiment of the present utility model, the clamping groove 10 is in an isosceles trapezoid shape, and an included angle between two side surfaces of the clamping groove 10 is set to 90 °.

By adopting the technical scheme, the rolling balls 22 can roll into the clamping groove 10 or roll out of the clamping groove 10 more easily, so that the lock body 2 can move on the U-shaped lock ring 1 more easily.

In an embodiment of the present utility model, the coded lock mechanism 3 includes:

the coded wheels 30 are arranged in a plurality of ways and are rotatably connected in the lock body 2, a plurality of numbers are circumferentially arranged on the outer wall of each coded wheel 30, and grooves 300 are formed between adjacent numbers;

a control plate 31 provided at the lower side of the code wheel 30 and releasing the restriction of the movement of the push rod 23 by rotation, the control plate 31 being engaged with the code wheel 30;

an elastic plate 32, wherein the elastic plate 32 is arranged below the control plate 31, and a plurality of elastic sheets 320 are arranged on one side of the elastic plate 32;

the elastic plate 320 and the code wheel 30 extend into the groove 300 correspondingly, and one side of the elastic plate 32 away from the elastic plate 320 is fixed in the lock body 2.

Through adopting above-mentioned technical scheme, in the shell fragment 320 on the elastic plate 32 can block into recess 300 when the cipher wheel 30 rotates to make cipher wheel 30 have the card sense when rotating, make the rotation control to cipher wheel 30 more convenient, light.

In the embodiment of the utility model, the elastic plate 32 and the elastic plate 320 are integrally formed and made of titanium alloy.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A U-shaped lock is characterized by comprising,

the U-shaped lock ring (1), wherein a plurality of clamping grooves (10) are formed in the inner side of a straight rod at the lower part of the U-shaped lock ring (1);

the lock comprises a lock body (2), wherein a lock hole (20) for the insertion connection of a straight rod at the lower part of a U-shaped lock ring (1) is formed in the lock body (2), a through hole (21) is formed in the inner wall of the lock hole (20), a ball (22) matched with the through hole (21) and a push rod (23) for pushing out the ball (22) so that the ball (22) is partially exposed in the lock hole (20) are arranged in the lock body (2), the push rod (23) is matched with a coded lock mechanism (3) in the lock body (2) and is provided with a preset structure which can be retracted by extrusion, and the coded lock mechanism (3) prevents the push rod (23) from changing in the structure which can be retracted by extrusion under the locking state;

wherein, the ball (22) can be in interference connection with the clamping groove (10) when being partially exposed in the lock hole (20).

2. A U-lock according to claim 1, wherein the push rod (23) comprises:

the abutting part (230) is in abutting connection with one end, far away from the clamping groove (10), of the ball (22), a spring (4) is arranged on one side, far away from the ball (22), of the abutting part (230), one end of the spring (4) is connected with the abutting part (230), and the other end of the spring is connected with the inside of the lock body (2);

a transmission part (231), wherein the transmission part (231) is matched with the coded lock mechanism (3);

wherein, the transmission part (231) is fixedly connected with the abutting part (230).

3. A U-lock according to claim 1, wherein the inner wall of the end of the through hole (21) adjacent to the lock hole (20) is provided with an arcuate surface matching with the outer wall of the ball (22), and the minimum inner diameter of the arcuate surface is smaller than the diameter of the ball (22).

4. A U-lock according to claim 1, wherein the clamping groove (10) is in the shape of an isosceles trapezoid, and the included angle between the two sides of the clamping groove (10) is set to 90 °.

5. A U-lock according to claim 1, wherein the combination lock mechanism (3) comprises:

the password wheels (30) are arranged in a plurality of ways and are rotationally connected in the lock body (2), a plurality of numbers are circumferentially arranged on the outer wall of each password wheel (30), and grooves (300) are formed between adjacent numbers;

the control board (31) is arranged at the lower side of the coded wheel (30) and used for releasing the limit on the movement of the push rod (23) through rotation, and the control board (31) is matched with the coded wheel (30);

an elastic plate (32), wherein the elastic plate (32) is arranged below the control plate (31), and a plurality of elastic sheets (320) are arranged on one side of the elastic plate (32);

the elastic sheet (320) and the coded wheel (30) correspondingly extend into the groove (300), and one side, far away from the elastic sheet (320), of the elastic plate (32) is fixed in the lock body (2).

6. The U-shaped lock of claim 5 wherein said spring plate (32) and spring plate (320) are integrally formed and formed of a titanium alloy material.