TWI667402B - U-lock - Google Patents

Abstract

The present invention provides a U-shaped lock, which is mainly provided with a lock seat body, a lock core, two push rods, two brake members, an inner sleeve, a casing and a U-shaped lock rod, wherein the lock The base system is disposed in the inner sleeve, and the inner sleeve is disposed in the outer casing. The lock core is disposed in the lock core chamber of the lock body, and the rotating body of the lock core is provided with a driving block. The two push rods are disposed in the two slots of the lock body, and the two brake members are respectively disposed in the two sliding slots of the lock body, and the two slides are provided with guide rails, the brake member The upper ring is provided with a guiding groove, the guiding groove of the two braking members is corresponding to the guide rail of the locking seat body, and the U-shaped locking bar is inserted into the outer casing, the inner sleeve and the opposite perforation of the locking seat body In the lock rod slot, the two brake members can be stably slidably oriented on the lock seat body by the guide groove on the lock member, and the guide member can be stably slidable on the lock seat body without any After the offset, the U-shaped lock lever can be locked more firmly and surely to achieve the best anti-theft effect.

Description

U-lock

The present invention relates to a U-shaped lock, and more particularly to a burglar-proof function that can achieve the best lock object.

Press, the general U-lock, as shown in the first to fourth figures, is mainly provided with a lock body 10, a lock core 11, two push rods 12, two brake members 13, an inner sleeve 14, a casing 15 And a U-shaped lock bar 16 , wherein the lock body 10 is provided with a lock chamber 100, and the lock body 10 is provided with a slot 101 on each side of the lock chamber 100, Each of the slots 101 is provided with a sliding slot 102. The outer side of the slot 102 is provided with a locking rod slot 103. The bottom of the locking body 10 is provided with at least one pin hole 104, and the locking core 11 is provided. In the lock chamber 100 of the lock body 10, a rotating block 111 is disposed on the rotating body 110 of the lock body 11, and the two push rods 12 are oppositely disposed in the two slots 101 of the lock body 10. The two brakes 13 are respectively disposed in the two sliding slots 102 of the lock body 10, and the lock body 10 is disposed in the inner sleeve 14, and the inner sleeve 14 corresponds to the lock body 10. The bottom of the inner sleeve 14 is provided with a positioning hole 141 corresponding to the bottom of the inner sleeve 14 , and a key hole 142 is further disposed in the middle of the bottom of the inner sleeve 14 . At least one pin hole 143 is defined in the bottom of the inner sleeve 14. The inner sleeve 14 is disposed in the outer casing 15, and the outer casing 15 corresponds to the through hole 140 of the inner sleeve 14 and the lock of the lock body 10. A hole 150 is defined in the position of the rod slot 103. The bottom of the outer casing 15 is also provided with a key hole 151 corresponding to the key hole 142 of the inner sleeve 14. The bottom of the outer casing 15 corresponds to the pin hole 143 of the inner sleeve 14. A pin hole 152 is also disposed. A fixing pin 153 is inserted into the pin hole 152, 143. The inner sleeve 14 is fixed in the outer casing 15, and the two ends of the U-shaped locking rod 16 are inserted. The outer casing 15, the inner sleeve 14 and the locking sleeve body 10 are opposite to the perforations 150, 140 and the insertion hole 103. The two ends of the U-shaped locking rod 16 are respectively provided with a card for the brake member 13 to be embedded. The groove 160: However, when the two brake members 13 are moved by the push rod 12 in the sliding groove 102 of the lock body 10, the brake member 13 cannot be stably slipped in the sliding groove 102, so that the offset state is generated ( As shown in the third and fourth figures, the brake member 13 cannot be surely caught in the slot 160 of the U-shaped lock lever 16, so the anti-theft effect is not satisfactory.

The main object of the present invention is to provide a U-shaped lock, which can effectively solve the shortcomings of the conventional U-shaped lock in use.

The U-shaped lock of the present invention includes: a lock seat body, the lock seat system is provided with a lock chamber, and the lock body is provided with all slots on two sides of the lock chamber, and the cut Each of the outer sides of the slot is provided with a sliding slot, and the outer side of the sliding slot is provided with a locking rod slot, and the bottom of the locking seat body is provided with at least one pin hole; a locking core is disposed on the locking core of the locking seat body a rotating block is disposed on the rotating body of the lock body, and the driving block is provided with a matching groove for inserting the rotating body; the second pushing rod is oppositely disposed in the two slots of the locking body; The brake members are respectively disposed in the two sliding slots of the lock body and located on the outer side of the two push rods; an inner sleeve is sleeved on the outside of the lock body, and the inner sleeve corresponds to the A locking hole is disposed in each of the locking rod slots of the locking body, and a bottom of the inner sleeve is provided with a positioning hole corresponding to the position of the through hole, and a key hole is further disposed in the middle of the bottom of the inner sleeve. The bottom portion corresponding to the at least one pin hole of the lock body is also provided with at least one pin hole; An outer portion of the inner sleeve is provided with a through hole corresponding to the through hole of the inner sleeve and the lock rod slot of the lock body, and the bottom of the outer shell is also provided with a key corresponding to the key punching position of the inner sleeve a perforation, a bottom of the outer casing corresponding to the at least one pin hole of the inner sleeve is also provided with at least one pin hole, at least one fixing pin is inserted into the corresponding at least one pin hole; a U-shaped locking rod, The socket is inserted into the outer casing, the inner sleeve and the lock body, and the two ends of the U-shaped lock rod are arranged as a plug end, and the plug end is provided with a card slot for the two brake members to be inserted The utility model is characterized in that: the two sliding grooves of the lock body are provided with guide rails, and the two brake members are provided with guide grooves on the ring, and the guide grooves of the two brake members are corresponding to the guide rails of the lock body.

In the U-shaped lock of the present invention, one end of the bottom of the lock body is provided with a positioning protrusion, and both ends of the bottom of the inner sleeve are respectively provided with a positioning recess for the positioning protrusion of the lock body.

The utility model has the advantages that the U-shaped lock of the invention has the advantages that the simple structure can be used for the two brake members to be stable in the sliding groove of the lock body, and the two plug ends of the U-shaped lock rod can be simultaneously braked. The stable click makes the lock more accurate and achieves the best anti-theft effect.

For the purpose of the present invention, the preferred embodiments of the invention are as follows:

The embodiment of the present invention, as shown in the fifth to eighth embodiments, mainly includes: a lock body 2, the lock body 2 is provided with a lock chamber 20, and the lock body 2 is located on the lock Each of the two sides of the chamber 20 is provided with a slot 21, and a slot 22 is defined on the outer side of the slot 21, and a guide rail 220 is disposed in the slot 22, and two slots are disposed on the outer side of the slot 22 a locking rod slot 23, the bottom of the locking body 2 is provided with at least one pin hole 24, and one end of the bottom of the locking body 2 is provided with a positioning protrusion 25; a locking core 3 is disposed on the locking body 2 In the lock chamber 20, the rotating body 30 of the lock core 3 is provided with a driving block 31. The driving block 31 is provided with a recess 310 for inserting the rotating body 30. The two push rods 4 are oppositely disposed on the rotating block 31. The two brakes 5 are respectively disposed in the two sliding slots 22 of the lock body 2 and are located on the outer sides of the two push rods 4, and the two brake members 5 are respectively The guide ring 50 is disposed on the guide rail 220 of the lock body 2; an inner sleeve 6 is sleeved on the outside of the lock body 2, and the inner sleeve 6 corresponds to The lock body 2 The bottom of the inner sleeve 6 is provided with a positioning hole 61 corresponding to the bottom of the inner sleeve 6. The bottom of the inner sleeve 6 is further provided with a key hole 62 in the middle of the inner sleeve 6. At least one pin hole 63 is disposed at a position corresponding to the bottom of the pin body 24 of the lock body 2, and two ends of the bottom portion of the inner sleeve 6 are respectively provided with a positioning protrusion 25 for the lock body 2 a positioning groove 64; a casing 7 is sleeved on the outside of the inner sleeve 6, and the outer casing 7 corresponds to the perforation 60 of the inner sleeve 6 and the lock rod slot 23 of the lock body 2 There is a perforation 70. The bottom of the outer casing 7 is also provided with a key perforation 71 corresponding to the key perforation 62 of the inner sleeve 6. The bottom of the outer casing 7 is corresponding to the position of the at least one pin hole 63 of the inner sleeve 6. At least one pin hole 72, at least one fixing pin 73 is inserted into the corresponding pin hole 72, 63, 24; a U-shaped locking bar 8 is inserted into the outer casing 7, the inner sleeve 6 and the On the lock body 2, the two ends of the U-shaped lock bar 8 are provided as the plug end 80, and the plug end 80 is provided with a card slot 81, thus being a U-lock structure.

When assembling, please refer to the fifth to seventh figures. First, the driving block 31 is assembled on the rotating body 30 of the lock core 3, and the lock core 3 and the driving block 31 are placed together in the lock body of the lock seat body 2. In the chamber 20, the two push rods 4 are oppositely disposed in the two slots 21 of the lock body 2, and the two brake members 5 are respectively disposed in the two sliding slots 22 of the lock body 2, the two brakes 5 is located on the outer side of the two push rods 4, and the guide groove 50 of the brake member 5 corresponds to the guide rail 220 in the sliding groove 22, so that the brake member 5 can be directionally slipped in the sliding groove 22 without being randomly displaced. Then, the lock body 2 with the lock core 3, the push rod 4 and the brake member 5 is placed in the inner sleeve 6 in the above-mentioned group, so that the positioning convex body 25 at the bottom of the lock seat body 2 is placed in the inner sleeve 6 is located in one of the positioning slots 64, and the locking rod slot 23 of the locking seat body 2 is aligned with the through hole 60 of the inner sleeve 6, and the pin hole 24 of the locking seat body 2 corresponds to the pin of the inner sleeve 6. Positioning the hole 63, the outer casing 7 is sleeved outside the inner sleeve 6, so that the through hole 70 of the outer casing 7 is aligned with the through hole 60 of the inner sleeve 6 and the lock lever slot 23 of the lock body 2, and the key of the outer casing 7 The perforation 71 is aligned with the key perforation of the inner sleeve 6 62 and the key socket of the lock 3 (not shown), and the pin hole 72 of the outer casing 7 is aligned with the pin holes 63, 24 of the inner sleeve 6 and the lock body 2, and then the fixing pin 73 is set. In the outer casing 7, the inner sleeve 6 and the pin holes 72, 63, 24 of the lock body 2, the lock body 3 and the inner sleeve 6 and the outer casing 7 are integrally fixed, and the two ends of the U-shaped lock rod 8 are further The plug end 80 is inserted into the through hole 70 of the outer casing 7 and the inner sleeve 6 and the lock rod slot 23 of the lock body 2, so that the overall assembly can be completed.

When in use, please refer to the eighth to eleventh drawings, the U-shaped lock bar 8 of the present invention is fastened on the item to be locked, such as the bicycle frame or the wheel and the fixed post or the fixed frame, and then The insertion ends 80 of the U-shaped lock bars 8 are inserted into the through holes 70 and 60 of the outer casing 7 and the inner sleeve 6, and the lock rod slots 23 of the lock body 2, and then inserted into the key holes 71 and 62. And the key on the key socket of the lock core 3 (not shown) rotates, the key rotation causes the rotating body 30 of the lock core 3 to rotate, the rotating body 30 rotates the driving block 31 to rotate, and the driving block 31 pushes the second push rod 4 is relatively outwardly moved, and the two push rods 4 respectively push the two brake members 5 outward, and the two brake members 5 are stably slid along the guide rail 220 in the sliding slot 22, and one of the two brake members 5 is placed. In the slot 81 of the U-shaped locking lever 8, the latching action of the locking can be completed by the braking member 5 being clamped in the slot 81; when the buckle is to be released, only the reverse rotation is required. The key provided on the lock core 3 is rotated by the rotating body 30 of the lock core 3 to drive the block 31 to the original position, and the driving block 31 is no longer pushed against the push rod 4, and the second push rod 4 is no longer pushed. Brake 5, The U-shaped locking lever 8 is no longer clamped by the two brake members 5, and can be removed from the locking seat body 2, the inner sleeve 6 and the outer casing 7, so that the unlocking action can be completed, and the present invention is utilized by the locking seat body. A guide rail 220 is disposed in the chute 22, and a guide groove 50 is disposed on the brake member 5. The guide groove 50 of the brake member 5 cooperates with the guide rail 220 of the lock seat body 2 to orient the brake member 5 The sliding groove 22 of the lock body 2 is stably slipped, and no random offset occurs, and the two plug ends 80 of the U-shaped lock lever 8 can be stably clamped by the brake member 5 at the same time, so that the lock is more To be sure, the best anti-theft effect can be achieved.

In view of the above, the present invention has achieved the intended use and efficacy, and is more desirable and practical than the prior art, but the above embodiments are only specifically described for the preferred embodiment of the present invention. The present invention is not intended to limit the scope of the invention, and all other equivalents and modifications may be included in the scope of the invention covered by the invention.

10‧‧‧Lock body

100‧‧‧Lock room

101‧‧‧ slotting

102‧‧‧Chute

103‧‧‧Lock bar slot

104‧‧ ‧ pinhole

11‧‧‧Lock

110‧‧‧Swing

111‧‧‧Drive block

12‧‧‧Put

13‧‧‧Brakes

14‧‧‧Inner casing

140‧‧‧Perforation

141‧‧‧Positioning holes

142‧‧‧ key perforation

143‧‧ ‧ pinhole

15‧‧‧Shell

150‧‧‧Perforation

151‧‧‧ key perforation

152‧‧ ‧ pinhole

153‧‧‧fixed pin

16‧‧‧U-shaped lock lever

160‧‧‧ card slot

2‧‧‧Lock body

20‧‧‧Lock room

21‧‧‧ slotting

22‧‧‧Chute

220‧‧‧rail

23‧‧‧Lock bar slot

24‧‧ ‧ pinhole

25‧‧‧ Positioning convex

3‧‧‧Lock

30‧‧‧Swing

31‧‧‧Drive block

310‧‧‧ slotted

4‧‧‧Put

5‧‧‧Brakes

50 guide slot

6‧‧‧Inner casing

60‧‧‧Perforation

61‧‧‧Positioning holes

62‧‧‧ key perforation

63‧‧‧ pinhole

64‧‧‧ Positioning slot

7‧‧‧ Shell

70‧‧‧Perforation

71‧‧‧ key perforation

72‧‧‧ pinhole

73‧‧‧fixed pin

8‧‧‧U-shaped lock lever

80‧‧‧plug end

81‧‧‧ card slot

The first figure shows an exploded view of a conventional U-lock. The second figure is a cross-sectional view of a conventional combination. The third figure is a top cross-sectional view that is conventionally unlocked. The fourth figure is a top cross-sectional view after conventional locking. The fifth figure is a perspective exploded view of an embodiment of the present invention. The sixth figure shows an exploded perspective view of a U-shaped lock lever and other structures according to an embodiment of the present invention. The seventh figure is a three-dimensional combination diagram of an embodiment of the present invention. The eighth figure shows a combined sectional view of the U-shaped lock lever that is not inserted in the embodiment of the present invention (a schematic diagram when unlocking). The ninth figure is a schematic cross-sectional view of the embodiment of the present invention when it is not locked. The tenth figure is a schematic cross-sectional view of the embodiment of the present invention when it is locked. The eleventh figure shows a schematic cross-sectional view of the embodiment of the present invention when it is locked.

Claims (2)

A U-shaped lock includes: a lock seat body, the lock base system is provided with a lock core chamber, and the lock seat body is provided with all slots on two sides of the lock core chamber, and the slot is Each of the outer side is provided with a sliding slot, and the outer side of the sliding slot is provided with a locking rod slot, and the bottom of the locking seat body is provided with at least one pin hole; a locking core is disposed in the lock chamber of the locking seat body a rotating block is disposed on the rotating body of the lock core, and the driving block is provided with a slot for inserting the rotating body; the second pushing rod is oppositely disposed in the two slots of the locking body; The two sleeves are respectively disposed in the two sliding slots of the lock body and located on the outer side of the two push rods; an inner sleeve is sleeved on the outside of the lock body, and the inner sleeve corresponds to the lock seat The bottom of the inner sleeve is provided with a through hole at a position corresponding to the bottom of the inner sleeve, and a key hole is arranged in the middle of the bottom of the inner sleeve, corresponding to the bottom of the inner sleeve. At least one pin hole is also disposed at at least one pin hole of the lock body; a casing is sleeved on the inner sleeve The outer surface of the tube is provided with a through hole corresponding to the through hole of the inner sleeve and the lock rod slot of the lock body, and the bottom of the outer shell is also provided with a key perforation corresponding to the key punching position of the inner sleeve. The bottom of the outer casing is provided with at least one pin hole corresponding to the at least one pin hole position of the inner sleeve, and at least one fixing pin is inserted into the corresponding at least one pin hole; a U-shaped locking rod, the plug Connected to the outer casing, the inner sleeve and the lock body, the two ends of the U-shaped lock rod are arranged as a plug end, and the plug end is provided with a card slot for the two brake members; The feature is: a guide rail is disposed in the two sliding slots of the lock body, and the two brake members are provided with guide grooves on the ring, and the guide grooves of the two brake members are corresponding to the guide rails of the lock body. The U-shaped lock according to claim 1, wherein one end of the bottom of the lock body is provided with a positioning protrusion, and both ends of the bottom of the inner sleeve are respectively provided with a positioning convex body for the lock body Position the slot.