A faucet lock

Abstract

The utility model relates to a faucet lock, including lock shell, be equipped with lock tongue and the slider that links with lock tongue in lock shell, be equipped with drive assembly in lock shell, and drive assembly includes manual drive part, manual drive part includes pull rope, and pull rope is equipped with the pull rope pipe of threading, lock shell adopts the plastic material to make, be equipped with the installation through slot and the pressing plate that adapt to pull rope on lock shell still, including the fixed block that adopts the metal material to make, the lock shell one side on installation groove is equipped with the slot that adapts to fixed block, fixed block is connected in the slot, the pressing plate cover is located installation through slot and slot and is connected with fixed block. Adopting above -mentioned technical scheme, the utility model provides a faucet lock, and its lock shell adopts the plastic to make, can reduce the faucet lock weight, can also reduce the cost, and the fixed block is connected on the lock shell, guarantees the pull -off strength of pull rope.

Description

Technical Field

[0001] This utility model relates to the field of lock technology, and in particular to a steering lock used on motorcycles or electric vehicles. Background Technology

[0002] Handlebar locks are generally used on electric vehicles or motorcycles. Their main purpose is to lock the handlebars of the electric vehicle or motorcycle after it is parked to prevent it from being stolen.

[0003] The applicant previously filed a Chinese utility model patent with authorization publication number CN219316672U, which discloses an electric lock including a drive mechanism, a first push block, and a first limit switch. The output end of the drive mechanism is connected to the first push block for driving the first push block to slide. The first push block has a locking pin that extends when sliding. The first limit switch is located at the end point of the first push block's travel when the locking pin retracts. The first limit switch is electrically connected to an ignition power supply module for controlling the on / off state of the ignition power supply module. The drive mechanism includes an electric drive unit and / or a manual drive unit. The manual drive unit includes a pull rope, one end of which is connected to the push block, and the other end extends to the outside of the lock housing in the electric lock for pulling the first push block to slide in the direction of the locking pin retraction. It also includes a rope tube, the end of which is fixed inside the lock housing, and the pull rope is threaded through the rope tube. The lock housing of the above structure is made of aluminum alloy or zinc alloy and other metal materials, which not only makes the whole structure relatively bulky but also expensive. Utility Model Content

[0004] The purpose of this utility model is to overcome the defects of the prior art. This utility model provides a faucet lock with a lock shell made of plastic, which can reduce the weight of the faucet lock and reduce the cost. In addition, a fixing block is snapped onto the lock shell to ensure the pull strength of the pull rope.

[0005] The technical solution of this utility model is as follows: A faucet lock includes a lock shell, a bolt and a slider that are linked to the bolt inside the lock shell, the end of the bolt entering and exiting the lock shell, a drive assembly that provides driving force to the slider inside the lock shell, the drive assembly including a manual drive part, the manual drive part including a pull rope, the end of the pull rope being located inside the lock shell and connected to the slider, the other end of the pull rope extending outside the lock shell, a rope tube being provided outside the pull rope, the lock shell being made of plastic material, the lock shell having an installation slot and a pressure plate adapted to the pull rope, and a fixing block made of metal material, the fixing block being snapped into the installation slot, the pressure plate covering the installation slot and the slot opening and being connected to the fixing block, the end of the rope tube being fixed to the fixing block by the pressure plate.

[0006] The above technical solution uses plastic, which can save costs and reduce the weight of the faucet lock. The fixing block is snapped in from the inside of the lock case to the outside, making the fixing block structure firm. The pressure plate is installed on the fixing block with screws. The pressure plate can press and fix the rope tube to prevent the rope tube from coming off. The fixing block is made of metal, which does not affect the pull strength of the pull rope.

[0007] Further features of this invention: The fixing block is provided with a groove adapted to the rope tube and a positioning edge arranged along the circumference of the fixing block. A positioning boss is provided in the groove, and the positioning edge abuts against the positioning boss. Connecting holes are provided on both sides of the groove on the fixing block, and threaded screws are connected in the connecting holes to realize the connection between the pressure plate and the fixing block.

[0008] With the above-mentioned further configuration, the fixing block is installed on the lock housing from bottom to top, the positioning boss cooperates with the positioning edge to limit the movement, and the screws install the pressure plate on the fixing block to fix the rope tube and prevent it from moving.

[0009] A further feature of this invention is that the lock housing is also provided with an emergency unlocking push block and a first travel switch. The first travel switch is located at the end point of the travel of the emergency unlocking push block when the lock tongue is retracted. The emergency unlocking push block is slidably mounted on the slider. The pull rope is connected to the emergency unlocking push block. The emergency unlocking push block is provided with an elastic plate. When the emergency unlocking push block slides in the unlocking direction, the elastic plate triggers the first travel switch.

[0010] With the above-mentioned further configuration, the pull rope is connected to the sliding block via the emergency unlocking push block. When manually unlocking, the pull rope drives the emergency unlocking push block to slide, which in turn drives the slider to slide and causes the lock tongue to retract. During the sliding of the emergency unlocking push block, the elastic plate triggers the first limit switch. When the emergency unlocking push block slides with interference, the elastic plate will deform, which will not affect the normal use of the switch.

[0011] A further feature of this invention is that the lock housing is further provided with an installation box and an installation plate. The installation box includes a separate upper box and a lower box, which are fixed by ultrasonic waves. The installation plate is also fixed to the upper box by ultrasonic waves. A circuit board is provided between the installation plate and the upper box. The first limit switch and the second limit switch are both soldered to the circuit board and sealed with glue at the tail.

[0012] With the above-mentioned further design, both the mounting box and the mounting plate are made of plastic, ultrasonically fixed, and have good sealing performance to avoid affecting the internal components of the mounting box and the circuit board. The limit switch is sealed with glue at the tail to prevent water ingress and has good waterproof performance.

[0013] A further feature of this invention is that the electric drive unit also includes a motor, a transmission gear set, and a transmission block. The motor and the transmission gear set are housed in a mounting box, which has a sliding groove. The transmission block is slidably disposed in the sliding groove, and the transmission block is connected to the slider by a first return spring. The motor drives the transmission block to slide through the transmission gear set.

[0014] With the above-mentioned further configuration, the transmission block is driven by a motor to slide, which in turn drives the slider to slide, so as to realize electric unlocking or locking. The structure is simple and the operation is convenient.

[0015] A further feature of this invention is that the lower end face of the emergency unlocking push block is provided with a positioning piece, the elastic piece is arranged in a "7" shape, the horizontal part of the elastic piece is installed on the emergency unlocking push block by fasteners, the upper part of the vertical part of the elastic piece abuts against the positioning piece, and the lower part is located in front of the first limit switch.

[0016] By adopting the above-mentioned further settings, the elastic sheet can be better elastically deformed, the horizontal part is fixed, and the vertical part deforms relative to the horizontal part after the first limit switch is touched.

[0017] A further feature of this invention is as follows: the emergency unlocking push block is provided with a driving block extending towards the slider, the slider is provided with a mating block, the driving block is provided with a first arc-shaped groove, the mating block is provided with a second arc-shaped groove, both the first and second arc-shaped grooves are provided with radial openings, and the end of the pull rope is provided with a locking head with a diameter larger than the radial opening, the locking head being located within the first arc-shaped groove.

[0018] With the above-mentioned further configuration, when manually unlocking, pulling the rope will cause the emergency unlocking push block to slide. After the drive block contacts the mating block, it will cause the slider to slide, the locking tongue to retract, and the unlocking will be achieved. The diameter of the locking head is larger than the radial opening to prevent the pull rope from coming off.

[0019] A further feature of this invention is as follows: the emergency unlocking push block is provided with a frame, the frame is provided with a guide post and a second return spring sleeved on the guide post, and the inner top wall of the lock housing is provided with two opposing upright plates located on both sides of the frame. Along the sliding direction of the emergency unlocking push block, both ends of the upright plates are provided with a locking part extending toward the frame for engaging with the second return spring.

[0020] With the above-mentioned further configuration, when the pull rope is released, the second reset spring resets the emergency unlocking push block, and the slider can also reset the emergency unlocking push block, resulting in a double reset.

[0021] A further improvement of this invention is as follows: the transmission gear set includes a worm fixed on the output shaft of the motor, the worm meshing with a worm wheel, the worm wheel being coaxially connected to a first gear, the first gear meshing with a second gear, a third gear being coaxially arranged on the second gear, and a rack meshing with the third gear on the transmission block, the rack being arranged along the sliding direction of the slider.

[0022] By further implementing the above-mentioned design, a worm gear can be used to achieve self-locking, preventing the transmission block from slipping after the motor stops working. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a specific embodiment of the present utility model; Figure 2 This is a schematic diagram of the lock housing and fixing block according to a specific embodiment of the present utility model; Figure 3 This is a schematic diagram of the lower end face of the lock housing according to a specific embodiment of the present utility model; Figure 4 This is a schematic diagram of the pull rope and lock housing according to a specific embodiment of the present utility model; Figure 5 This is a cross-sectional view of the lock case according to a specific embodiment of the present utility model; Figure 6 This is a schematic diagram of the pull rope and the rope-threading tube in a specific embodiment of the present utility model; Figure 7 This is a schematic diagram of the emergency unlocking push block and slider according to a specific embodiment of the present utility model; Figure 8 This is a schematic diagram of a two-limit switch according to a specific embodiment of the present invention; Figure 9 This is a schematic diagram of the emergency unlocking push block and elastic sheet in a specific embodiment of the present invention; Figure 10 This is a schematic diagram of the slider and transmission block in a specific embodiment of the present invention; Figure 11 This is a schematic diagram of the mounting box and mounting plate according to a specific embodiment of the present utility model.

[0024] Figure 12 This is a schematic diagram of the electric drive unit in a specific embodiment of the present invention.

[0025] In the diagram, 1. Lock housing; 11. Mounting slot; 12. Pressure plate; 13. Vertical plate; 131. Snap-fit ​​part; 14. Groove; 141. Positioning boss; 3. Lock tongue; 4. Slider; 41. Mating block; 411. Second arc groove; 51. Electric drive unit; 511. Second limit switch; 512. Motor; 513. Transmission gear set; 514. Transmission block; 5141. Rack; 515. Worm gear; 516. Worm wheel; 517. First gear; 518. Second gear; 519. Third gear; 52. Manual drive unit; 52 1. Pull cord; 5211. Clip; 523. Cord tube; 5231. First positioning part; 5232. Second positioning part; 6. Fixing block; 61. Groove; 62. Positioning edge; 63. Connecting hole; 64. Screw; 7. Emergency unlocking push block; 71. Elastic sheet; 72. Positioning sheet; 73. Drive block; 731. First arc groove; 74. Frame; 741. Guide post; 742. Second return spring; 8. First limit switch; 9. Mounting box; 91. Upper box; 92. Lower box; 10. Mounting plate; 20. First return spring. Detailed Implementation

[0026] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] It should be noted that all directional indicators (such as up, down, forward, backward, etc.) in the description of this utility model are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0028] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a number" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0029] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0030] like Figure 1-12As shown, a faucet lock includes a lock housing 1, a latch 3 and a slider 4 that is linked to the latch 3 inside the lock housing 1. The end of the latch 3 enters and exits the lock housing 1. The lock housing 1 is provided with a drive assembly that provides driving force to the slider 4. The drive assembly includes a manual drive unit 52, which includes a pull rope 521. One end of the pull rope 521 is located inside the lock housing and connected to the slider 4. The other end of the pull rope 521 extends outside the lock housing. A rope tube 523 is provided outside the pull rope 521. The lock housing 1 is made of plastic material. The lock housing 1 is provided with a mounting groove 11 adapted to the pull rope 521 and a pressure plate 12. It also includes a fixing block 6 made of metal material. A slot 14 is provided on one side of the mounting groove 11. The fixing block 6 is snapped into the slot 14. The pressure plate 12 covers the mounting groove 11 and the slot 14 and is connected to the fixing block 6. The end of the rope tube 523 is fixed to the fixing block 6 by the pressure plate 12. The lock shell 1 is made of plastic, which can save costs and reduce the weight of the faucet lock. The fixing block 6 is snapped from the inside to the outside of the lock shell 1, making the structure of the fixing block 6 firm. The pressure plate 12 is installed on the fixing block 6 by screws. The pressure plate 12 can press and fix the rope tube 523 to prevent the rope tube 523 from coming off. The fixing block 6 is made of metal, so even if the lock shell is made of plastic, it will not affect the pull-out strength of the pull rope 521.

[0031] The fixing block 6 is provided with a groove 61 adapted to the rope tube 523 and a positioning edge 62 arranged circumferentially on the fixing block 6. A positioning boss 141 is provided in the groove 14. The positioning edge 62 abuts against the positioning boss 141. The fixing block 6 is provided with connecting holes 63 on both sides of the groove 61. The connecting holes 63 are threaded with screws 64 to connect the pressure plate 12 and the fixing block 6. The fixing block 6 is installed on the lock housing 1 from bottom to top. The positioning boss 141 and the positioning edge 62 cooperate to... The limit screw 64 fixes the pressure plate 12 onto the fixing block 6 to secure the rope tube 523 and prevent it from moving. The rope tube 523 is provided with a first positioning part 5231 and a second positioning part 5232. The first positioning part 5231 is set to abut against the outer wall of the groove 61. After the pressure plate 12 is connected to the fixing block 6, the second positioning part 5232 is located outside the pressure plate 12 to limit the axial sliding of the rope tube 523. The rope tube 523 has a stable structure and is not affected by the movement of the pull rope 521.

[0032] The lock housing 1 also includes an emergency unlocking push block 7 and a first limit switch 8. The first limit switch 8 is located at the end of the travel of the emergency unlocking push block 7 when the bolt 3 retracts. The emergency unlocking push block 7 is slidably mounted on the slider 4. The pull rope 521 is connected to the emergency unlocking push block 7. The emergency unlocking push block 7 is equipped with an elastic piece 71. When the emergency unlocking push block 7 slides in the unlocking direction, the elastic piece 71 triggers the first limit switch 8. The pull rope 521 is connected to the slider 4 through the emergency unlocking push block 7. When manually unlocking, the pull rope 521 drives the emergency unlocking push block 7 to slide, which in turn drives the slider 4 to slide, causing the bolt 3 to retract. The emergency unlocking push block 7 slides past... During the process, the elastic sheet 71 triggers the first limit switch 8, and when the emergency unlocking push block 7 slides with interference, the elastic sheet 71 will deform without affecting the normal use of the switch. Specifically, the lower end face of the emergency unlocking push block 7 is provided with a positioning piece 72, and the elastic sheet 71 is arranged in the shape of a "7". The horizontal part of the elastic sheet 71 is installed on the emergency unlocking push block 7 by fasteners, the upper part of the vertical part of the elastic sheet 71 abuts against the positioning piece 72, and the lower part is located in front of the first limit switch 8, so that the elastic sheet 71 can better deform elastically. The horizontal part is fixed, and the vertical part deforms relative to the horizontal part after touching the first limit switch 8 with interference.

[0033] The drive assembly further includes an electric drive unit 51, a motor 512, a transmission gear set 513, and a transmission block 514. The electric drive unit 51 includes a second limit switch 511, which is located at the end of the travel of the slider 4 when the latch 3 retracts. The transmission block 514 is connected to the slider 4 by a first return spring 20. The cooperation structure between the transmission block and the slider has been disclosed and will not be described in detail here. The motor 512 drives the transmission block 514 to slide through the transmission gear set 513. The transmission gear set 513 includes components fixed to the motor 512. The worm gear 515 on the output shaft meshes with a worm wheel 516. The worm wheel 516 is coaxially connected to a first gear 517, which meshes with a second gear 518. A third gear 519 is coaxially mounted on the second gear 518. A rack 5141 meshes with the third gear 519 on the transmission block 514. The rack 5141 is arranged along the sliding direction of the slider 4. The use of the worm wheel 516 and worm gear 515 can achieve self-locking, preventing the transmission block 514 from slipping after the motor 512 stops working.

[0034] The lock housing 1 also includes a mounting box 9 and a mounting plate 10. The mounting box 9 includes a separate upper box 91 and a lower box 92, which are ultrasonically fixed. The mounting plate 10 is also ultrasonically fixed to the upper box 91, and a circuit board is provided between the mounting plate 10 and the upper box 91. The second limit switch 511 and the first limit switch 8 are both welded to the circuit board and sealed with glue at the tail. The mounting box 9 and the mounting plate 10 are both made of plastic, ultrasonically fixed, and have good sealing performance, avoiding affecting the internal components of the mounting box 9 and the circuit board. The limit switches are sealed with glue at the tail to prevent water ingress and have good waterproof performance. The motor 512 and the transmission gear set 513 are located in the mounting box 9. The mounting box 9 is provided with a sliding groove, and the transmission block 514 is slidably located in the sliding groove. The third gear part 519 passes through the mounting box 9 and is exposed in the sliding groove. A guide rod can also be provided in the sliding groove. The sliding block and the guide rod guide and slide together, and the structure is stable when sliding.

[0035] The emergency unlocking push block 7 is provided with a drive block 73 extending towards the slider 4. The slider 4 is provided with a mating block 41. The drive block 73 is provided with a first arc-shaped groove 731, and the mating block 41 is provided with a second arc-shaped groove 411. Both the first arc-shaped groove 731 and the second arc-shaped groove 411 are provided with radial openings. The end of the pull rope 521 is provided with a locking head 5211 with a diameter larger than the radial opening. The locking head 5211 is located in the first arc-shaped groove 731. When manually unlocking, the pull rope 521 pulls the emergency unlocking push block 7 to slide. After the drive block 73 contacts the mating block 41, it drives the slider 4 to slide, and the locking tongue 3 retracts, realizing unlocking. The diameter of the locking head 5211 is larger than the radial opening to prevent the pull rope 521 from disengaging. The emergency unlocking push block 7 is provided with The lock housing 1 has a frame 74, inside which there is a guide post 741 and a second return spring 742 sleeved on the guide post 741. The inner top wall of the lock housing 1 has two opposing upright plates 13, which are located on both sides of the frame 74. Along the sliding direction of the emergency unlocking push block 7, both ends of the upright plates 13 have a locking part 131 extending toward the frame 74 for engaging with the second return spring 742. When the pull rope 521 is released, the second return spring 742 resets the emergency unlocking push block 7. The slider 4 can also reset the emergency unlocking push block 7, resulting in a double reset. The lock housing 1 can also include a separate housing and a cover plate. The upright plate is provided on the inner top wall of the cover plate, and the mounting through groove and slot are provided on the cover plate.

Claims

1. A faucet lock, comprising a lock housing (1), wherein the lock housing (1) is provided with a bolt (3) and a slider (4) that is linked to the bolt (3), the end of the bolt (3) entering and exiting the lock housing (1), and the lock housing (1) is provided with a drive assembly that provides driving force to the slider (4), the drive assembly including a manual drive unit (52), the manual drive unit (52) including a pull rope (521), the end of the pull rope (521) being located inside the lock housing and connected to the slider (4), the other end of the pull rope (521) extending outside the lock housing, and the pull rope (521) being covered with a rope tube (523), characterized in that, The lock housing (1) is made of plastic material. The lock housing (1) is provided with an installation groove (11) adapted to the pull rope (521) and a pressure plate (12). It also includes a fixing block (6) made of metal material. The lock housing (1) is provided with a slot (14) adapted to the fixing block (6) on one side of the installation groove (11). The fixing block (6) is snapped into the slot (14). The pressure plate (12) is covered at the installation groove (11) and the slot (14) and connected to the fixing block (6). The end of the rope tube (523) is snapped onto the fixing block (6) via the pressure plate (12).

2. The faucet lock according to claim 1, characterized in that, The fixing block (6) is provided with a groove (61) that is compatible with the rope tube (523) and a positioning edge (62) arranged around the fixing block (6). The groove (14) is provided with a positioning boss (141). The positioning edge (62) and the positioning boss (141) are in contact. The fixing block (6) is provided with connecting holes (63) on both sides of the groove (61). The connecting holes (63) are threaded with screws (64) to realize the connection between the pressure plate (12) and the fixing block (6).

3. The faucet lock according to claim 1 or 2, characterized in that, The lock housing (1) is also provided with an emergency unlocking push block (7) and a first travel switch (8). The first travel switch (8) is located at the end of the travel of the emergency unlocking push block (7) when the lock tongue (3) is retracted. The emergency unlocking push block (7) is slidably mounted on the slider (4). The pull rope (521) is connected to the emergency unlocking push block (7). The emergency unlocking push block (7) is provided with an elastic piece (71). When the emergency unlocking push block (7) slides in the unlocking direction, the elastic piece (71) triggers the first travel switch (8).

4. The faucet lock according to claim 3, characterized in that, The drive assembly also includes an electric drive unit, which includes a second limit switch (511), a motor (512), a transmission gear set (513), and a transmission block (514). The second limit switch (511) is located at the end of the travel of the slider (4) when the latch (3) retracts. The motor (512) drives the transmission block (514) to slide through the transmission gear set (513). The transmission block (514) and the slider (4) are connected by a first return spring (20).

5. The faucet lock according to claim 4, characterized in that, The lock housing (1) is also provided with an installation box (9) and an installation plate (10). The installation box (9) includes an upper box (91) and a lower box (92) that are separately set. The upper box (91) and the lower box (92) are fixed by ultrasonic waves. The installation plate (10) is also fixed to the upper box (91) by ultrasonic waves. A circuit board is provided between the installation plate (10) and the upper box (91). The second limit switch (511) and the first limit switch (8) are both soldered to the circuit board and sealed with glue at the tail.

6. The faucet lock according to claim 3, characterized in that, The lower end face of the emergency unlocking push block (7) is provided with a positioning piece (72). The elastic piece (71) is arranged in the shape of "7". The horizontal part of the elastic piece (71) is installed on the emergency unlocking push block (7) by fasteners. The upper part of the vertical part of the elastic piece (71) abuts against the positioning piece (72), and the lower part is located in front of the first limit switch (8).

7. The faucet lock according to claim 3, characterized in that, The emergency unlocking push block (7) is provided with a drive block (73) extending towards the slider (4). The slider (4) is provided with a mating block (41). The drive block (73) is provided with a first arc groove (731). The mating block (41) is provided with a second arc groove (411). Both the first arc groove (731) and the second arc groove (411) are provided with radial openings. The end of the pull rope (521) is provided with a clamp head (5211) with a diameter larger than the radial opening. The clamp head (5211) is located in the first arc groove (731).

8. The faucet lock according to claim 3, characterized in that, The emergency unlocking push block (7) is provided with a frame (74), and the frame (74) is provided with a guide post (741) and a second reset spring (742) sleeved on the guide post (741). The inner top wall of the lock shell (1) is provided with two opposing upright plates (13). The two upright plates (13) are located on both sides of the frame (74). Along the sliding direction of the emergency unlocking push block (7), both ends of the upright plates (13) are provided with a locking part (131) extending toward the frame (74) for engaging with the second reset spring (742).

9. The faucet lock according to claim 4, characterized in that, The transmission gear set (513) includes a worm (515) fixed on the output shaft of the motor (512). The worm (515) meshes with a worm wheel (516). The worm wheel (516) is coaxially connected to a first gear (517). The first gear (517) meshes with a second gear (518). A third gear (519) is coaxially arranged on the second gear (518). A rack (5141) meshes with the third gear (519) on the transmission block (514). The rack (5141) is arranged along the sliding direction of the slider (4).

10. The faucet lock according to claim 9, characterized in that, The motor (512) and the transmission gear set (513) are located in the mounting box (9). The mounting box (9) is provided with a sliding groove. The transmission block (514) is slidably located in the sliding groove. The third gear (519) partially passes through the mounting box (9) and is exposed in the sliding groove.

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