CN221373222U - Passive lock with hard foldable USB cable - Google Patents
Passive lock with hard foldable USB cable Download PDFInfo
- Publication number
- CN221373222U CN221373222U CN202322826877.3U CN202322826877U CN221373222U CN 221373222 U CN221373222 U CN 221373222U CN 202322826877 U CN202322826877 U CN 202322826877U CN 221373222 U CN221373222 U CN 221373222U
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- lock
- usb cable
- circuit board
- pulley
- optical axis
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- 230000003287 optical effect Effects 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 37
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
The utility model discloses a passive lock with a hard foldable USB cable, which comprises a lock body, a lock beam device, a lock tongue, a motor cam, a lock tongue spring, a first circuit board, the USB cable and a four-core pulley. The four-core pulley is connected with the first circuit board and the USB cable; the four-core pulley comprises a first pulley part, a second pulley part and a metal optical axis; the first pulley part is connected with the second pulley part through a metal optical axis; the USB cable is a multi-section hard cable and is connected with the first pulley part and the second pulley part in a staggered manner. According to the utility model, through adopting the structure that the four-core pulley which has a conductive function and can rotate randomly is connected with the multi-section hard USB cable, the linear expansion of the USB cable is realized, so that the limitation of the bending radius of the flexible USB cable is avoided, the USB cable is prevented from winding, the folding storage mode of the USB cable is simplified, and the USB cable is more convenient to use.
Description
Technical Field
The utility model relates to a passive lock with a hard foldable USB cable, and belongs to the field of electronic locks.
Background
A passive lock is an electronic lock without a battery inside, a USB interface is usually reserved, and an electronic key/mobile phone with a battery configured outside supplies power to the electronic lock and sends control instructions.
Existing passive locks often configure flexible USB cables. Such passive locks still suffer from certain drawbacks: if the cable length is shorter, remove USB joint and the fixed knot of tip again and construct, the section of buckling is shorter, is inconvenient for connecting the cell-phone. If the cable is long, the cable must be folded for storage, and the cable is difficult to fold into a smaller size due to the limitation of the bending radius, which is inconvenient for storage.
Disclosure of Invention
The utility model aims to provide a passive lock with a hard foldable USB cable.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a passive lock with a hard foldable USB cable comprises a lock body, a lock beam device, a lock tongue, a motor cam, a lock tongue spring, a first circuit board, the USB cable and a four-core pulley;
The four-core pulley is connected with the first circuit board and the USB cable;
the four-core pulley comprises a first pulley part, a second pulley part and a metal optical axis; the first pulley part is connected with the second pulley part through the metal optical axis;
The USB cable is of a foldable structure formed by connecting a plurality of sections of hard cables through a plurality of four-core pulleys; the USB cable is connected with the first pulley part and the second pulley part in a staggered manner and is connected with a USB cable interface;
The passive lock further includes a lower housing; the lower shell is connected with the lock body, and the USB cable and the four-core pulley are folded and contained in the lower shell.
Preferably, the first pulley part comprises a first shell, a spring thimble, a second circuit board and a first shaft contact piece; the first shell and the second circuit board are sleeved with the metal optical axis; one end of the spring thimble is inserted into and penetrates through the bottom plate of the first shell, and the other end of the spring thimble is welded with the second circuit board; one end of the first shaft contact piece is welded with the second circuit board, and the other end of the first shaft contact piece is connected with the metal optical axis.
Preferably, the second pulley part comprises a second shell, a third circuit board, a copper ring and a second contact piece; the second shell and the third circuit board are sleeved with the metal optical axis; one end of the copper ring is welded with the third circuit board, and the other end of the copper ring is connected with the spring thimble; the second contact piece is welded with the third circuit board, and the other end of the second contact piece is connected with the metal optical axis; the copper ring comprises an inner copper ring, a middle copper ring and an outer copper ring; the inner copper ring, the middle copper ring and the outer copper ring are sleeved on the annular groove of the second shell.
Wherein preferably, the first pulley part further comprises a first end cover, a first clamping spring and a first shaft end protecting cover; the first end cover is connected with the first shell; the first clamp spring is connected with the first end cover and the metal optical axis; the first shaft end protecting cover is connected with the first end cover.
Wherein preferably, the second pulley part further comprises a second end cover, a second clamping spring and a second shaft end protective cover; the second end cover is connected with the second shell; the second clamp spring is connected with the second end cover and the metal optical axis; the second shaft end protecting cover is connected with the second end cover.
Wherein preferably, the first circuit board is arranged in the lock body and is connected with the motor; the motor is connected with the motor cam; the motor cam is connected with the lock tongue; the lock tongue is connected with the lock beam device.
Wherein preferably, the lock tongue comprises a transverse tongue and a vertical tongue; the transverse tongue is connected with the beam locking device; the vertical tongue is arranged between the spring bolt spring and the motor cam.
Wherein preferably, the lock beam device comprises a lock beam body, a loop bar and a lock beam spring; the lock beam body is sleeved with the loop bar; the loop bar is abutted with the lock beam spring.
Wherein preferably, the lock beam body is provided with a lock beam groove; the lock beam groove is matched with the transverse tongue.
Compared with the prior art, the structure that the four-core pulley which has a conductive function and can rotate randomly is adopted to connect the multi-section hard USB cable, so that the linear expansion of the USB cable is realized, the limitation of the bending radius of the flexible USB cable is avoided, the USB cable is prevented from winding, the folding storage mode of the USB cable is simplified, and the USB cable is more convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of a passive lock lower case in an embodiment of the present utility model;
FIG. 2 is a schematic view of the overall structure of the embodiment shown in FIG. 1 with the passive lock lower housing closed;
FIG. 3 is a side view of a four-core pulley in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic view showing an internal structure of a four-core pulley according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the overall structure of the first housing according to the embodiment of the present utility model;
FIG. 6 is a schematic view of the overall structure of the first pulley according to the embodiment of the present utility model;
Fig. 7 is a schematic diagram of the overall structure of the second pulley according to the embodiment of the present utility model.
Detailed Description
The technical contents of the present utility model will be described in detail with reference to the accompanying drawings and specific examples.
As shown in fig. 1 and 2, the utility model discloses a passive lock with a hard foldable USB cable, which comprises a lock body 1, a lock beam device 2, a lock tongue 3, a motor 4, a motor cam 5, a lock tongue spring 6, a first circuit board 7, a USB cable 8, a lower shell 9 and a four-core pulley 10.
The lock body 1 is provided with a lock beam groove, a motor groove and a circuit board groove. The lock beam groove is a cylinder groove and is vertically arranged on two sides of the lock body 1. The depth of the locking beam groove close to one side of the motor groove is larger than that of the locking beam groove far away from one side of the motor groove, and the inner wall is provided with a bulge. The motor groove and the circuit board groove are arranged in the lock body 1 and are arranged side by side with the lock beam groove.
The lock beam device 2 is movably arranged on the lock body 1 and comprises a lock beam body 21, a sleeve rod 22 and a lock beam spring 23. The lock beam body 21 is a U-shaped cylinder. The bottom of the cylinder with the longer length is sleeved with the loop bar 22, and the middle is provided with a lock tongue groove. The bottom of the loop bar 22 is abutted with the lock beam spring 23. The lock beam spring 23 is arranged at the bottom of the lock beam groove and matched with the bulge in the lock beam groove, so that the sleeve rod 22 can perform limiting and telescopic movement in the lock beam groove.
As shown in fig. 2, the latch tongue 3 includes a horizontally disposed lateral tongue 31 and a vertically disposed vertical tongue 32. One end of the transverse tongue 31 is wedge-shaped and is matched with the size of the tongue groove, and the other end is vertically connected with the vertical tongue 32. The vertical tongue 32 is clamped between the motor cam 5 and the dead bolt spring 6.
The motor 4 is fixedly arranged in the motor groove and is connected with the circuit board 7. The motor 4 is provided with a motor shaft 41.
The motor cam 5 is sleeved on the motor shaft 41 and comprises a long shaft end and a short shaft end. Rotation of the motor 4 will drive the motor cam 5 to rotate. The long shaft end and the short shaft end are in contact with the vertical tongue 32 in turn, so that the lock tongue 3 is pushed to realize horizontal movement.
The dead bolt spring 6 is arranged on the side of the vertical tongue 32 remote from the motor 4. The spring bolt spring 6 is matched with the motor cam 5, so that the spring bolt 3 can stretch and retract, and the switch lock is realized.
The first circuit board 7 is fixedly arranged in the groove of the circuit board, one end of the first circuit board is connected with the motor 4, and the other end of the first circuit board is connected with the four-core pulley 10 through a circuit joint.
The USB cable 8 is formed by connecting a plurality of sections of hard cables through a plurality of four-core pulleys 10, and is of a foldable structure.
The lower shell 9 is movably connected with the bottom of the lock body 1. The USB cable 8 may be housed within the lower case 9.
As shown in fig. 3 to 5, the four-core pulley 10 has a cylindrical structure including a first pulley portion 100 and a second pulley portion 200. The first pulley portion 100 and the second pulley portion 200 are connected by the metal optical axis 20 (as shown in fig. 4), and the first pulley portion 100 and the second pulley portion 200 can be rotated arbitrarily to achieve the length adjustment of the USB cable 8.
As shown in fig. 4 to 6, the first pulley 100 includes a first housing 11, three spring pins 12, a second circuit board 13, a first shaft contact piece 14, a first end cap 15, a first clamp spring 16, and a first shaft end protection cover 17, which are sequentially connected.
The first housing 11 is a column-shaped hollow structure. The first housing bottom plate is provided with a first housing optical axis through hole 110 along the center line position. Around the first housing optical axis through hole 110, a first ejector pin through hole 111, a second ejector pin through hole 112, and a third ejector pin through hole 113 are provided, and distances from the first housing optical axis through hole 110 to the first ejector pin through hole 111, the second ejector pin through hole 112, and the third ejector pin through hole 113 are sequentially increased. The first shell side wall is connected with the first shell bottom plate to form a cavity structure with one end being open.
One end of the spring thimble 12 is welded with the second circuit board 13, the other end is correspondingly inserted into the first thimble through hole 111, the second thimble through hole 112 and the third thimble through hole 113 respectively, and the top end slightly protrudes out of the first shell bottom plate.
The second circuit board 13 has a circular structure, and an optical axis through hole of the second circuit board is formed along the center line. One side remote from the spring pins 12 is connected to a first shaft contact 14.
The first shaft contact piece 14 is made of metal, is symmetrically arranged at two sides of the optical axis through hole of the second circuit board, one end of the first shaft contact piece is welded with the second circuit board 13, and the other end of the first shaft contact piece is clung to the metal optical axis 20.
The first end cap 15 has a circular structure, and a first end cap optical axis through hole is provided along the center line position. The first end cap 15 is sleeved on the metal optical axis 20 and is connected with the side wall of the first shell.
The first clamp spring 16 is of an annular structure, and is matched with the first end cover optical axis through hole in size, and is clamped on one surface, far away from the first shaft contact piece 14, of the first end cover optical axis through hole.
The first shaft end protecting cover 17 is provided outside the first end cover 15, and the intermediate position is protruded outward in the extending direction of the metal optical axis 20. The first shaft end protecting cover 17 is fixedly connected with the first end cover 15, and forms a receiving cavity of the first pulley 100 with the first housing 11.
As shown in fig. 7, the second pulley 200 includes a second housing 21, a third circuit board 22, a copper ring 23, a second contact 24, a second end cap 25, a second clip spring 26, and a second end protection cover 27. One end of the second housing 21 is of an open design and the other end is provided with an annular groove. The third circuit board 22 has a circular structure, and an optical axis through hole of the third circuit board is formed along the center line. Copper ring 23 includes an inner copper ring 231, a middle copper ring 232, and an outer copper ring 233. The diameters of the inner copper ring 231, the middle copper ring 232 and the outer copper ring 233 are sequentially increased, and the inner copper ring, the middle copper ring and the outer copper ring are sequentially sleeved in the annular groove of the second shell 21. One end of the copper ring 23 is welded with the third circuit board 22, and the other end is respectively connected with the three spring thimbles 12. The second contact piece 24 is made of metal, is arranged between the copper ring 23 and the third circuit board 22, one end of the second contact piece is welded at two sides of the optical axis through hole of the third circuit board, and the other end of the second contact piece is connected with the metal optical axis 20. The second end cap 25 has a circular structure, and is provided with a second end cap optical axis through hole along the center line. The second end cap 25 is sleeved on the metal optical axis 20 and connected with the side wall of the second shell. The second clamp spring 26 is of an annular structure, and is matched with the second end cover optical axis through hole in size and is clamped on one surface, far away from the second shaft contact piece 24, of the second end cover optical axis through hole. The second axial end protecting cover 27 is provided outside the second end cap 25 with an intermediate position protruding outward in the extending direction of the metal optical axis 20. The second shaft end protecting cover 27 is fixedly connected with the second end cover 25, and forms a receiving cavity of the second pulley 200 with the second housing 21.
As shown in fig. 5, the metal optical axis 20 has a smooth cylindrical structure, and sequentially passes through the first clamp spring 16, the first end cap optical axis through hole, the second circuit board optical axis through hole, the first housing optical axis through hole 110, the inner copper ring 231, the third circuit board optical axis through hole, the second end cap optical axis through hole, and the second clamp spring 26, so as to connect and pass through the first pulley 100 and the second pulley 200. After the connection, the spring thimble 12 in the first shell 11 is contacted with the end surface of the copper ring 23 in the second shell 21, so that the circuit is conducted. The three spring thimbles 12 are correspondingly connected with the three copper rings 23, so that three paths of current signals are transmitted. The metallic optical axis 20 at the center line position is connected to the first shaft contact 14 and the second shaft contact 24 having a conductive function, and can serve as a transmission wire for the fourth current signal. The spring thimble 12 and the copper ring 23 are welded on the circuit board, and the metal optical axis 20 is communicated with the circuit board through an axis contact piece welded on the circuit board, so that the effect of four-way current signal transmission between the two circuit boards is achieved. The two ends of the metal optical axis 20 are fixedly connected with the clamping springs, so that the metal optical axis 20 is prevented from sliding in the through holes, and the conductive stability of the four-core pulley 10 is effectively ensured.
In one embodiment of the present utility model, the USB cable 8 comprises four hard cables (as shown in FIG. 1) connected in sequence to four-core pulleys 10 forming a "zig-zag" arrangement. That is, one end of the first hard cable is connected to the first pulley portion 100 of the first four-core pulley 10, and the other end is connected to the second pulley portion 200 of the second four-core pulley 10; one end of the second hard cable is connected with the first pulley part 100 of the second four-core pulley 10, and the other end is connected with the second pulley part 200 of the third four-core pulley 10; one end of the third section of hard cable is connected with the first pulley part 100 of the third four-core pulley 10, and the other end is connected with the second pulley part 200 of the fourth four-core pulley 10; one end of the fourth hard cable is connected with the first pulley part 100 of the fourth four-core pulley 10, and the other end is connected with the USB cable line interface.
When the passive lock is used, the lower shell 9 is opened, the USB cable 8 is pulled up to a required position, and the USB cable interface 800 (at the lower right in fig. 1) is exposed, so that the USB cable interface is inserted into a mobile phone, and electric quantity is obtained from the mobile phone. The method comprises the steps of pre-storing passwords or other unlocking information by using an application program (APP) in a mobile phone, and sending a switch lock control instruction to a passive lock through a USB communication protocol. The circuit board 7 obtains electricity from the mobile phone, and after receiving the instruction, the motor 4 is controlled to rotate, the motor 4 drives the motor cam 5 to rotate, and the motor cam 5 drives the lock tongue 3. The rotation of the motor 4 drives the motor cam 5 to rotate, so that the lock tongue 3 is pushed to realize horizontal movement. When the long shaft end of the motor cam 5 is in tangential contact with the lock tongue 3, the lock tongue 3 contracts, and the lock beam body 21 is released, which is equivalent to unlocking; when the short shaft end of the motor cam is in tangential contact with the lock tongue 3, the lock tongue 3 stretches out under the action of the spring and is clamped in the lock beam groove of the lock beam body 21, so that locking is realized. The rotation of the motor 4 is specifically controlled by the circuit board 7, so that the switch lock is realized, and the mobile phone is directly pulled out of the USB cable interface after the operation is finished.
In summary, the passive lock with the hard foldable USB cable provided by the utility model has the conductive function, and the structure that the four-core pulley capable of rotating randomly is connected with a plurality of sections of hard USB cables is adopted, so that the linear expansion of the USB cables is effectively realized, the limitation of the bending radius of the flexible USB cables is avoided, the USB cables are prevented from winding, the folding storage of the USB cables is simplified, and the use is more convenient.
The passive lock with the hard foldable USB cable provided by the utility model is described in detail above. Any obvious modifications to the present utility model, without departing from the spirit thereof, would constitute an infringement of the patent rights of the utility model and would take on corresponding legal liabilities.
Claims (9)
1. The passive lock with the hard foldable USB cable is characterized by comprising a lock body, a lock beam device, a lock tongue, a motor cam, a lock tongue spring, a first circuit board, the USB cable and a four-core pulley;
The four-core pulley is connected with the first circuit board and the USB cable;
the four-core pulley comprises a first pulley part, a second pulley part and a metal optical axis;
The first pulley part is connected with the second pulley part through the metal optical axis;
The USB cable is of a foldable structure formed by connecting a plurality of sections of hard cables through a plurality of four-core pulleys; the USB cable is connected with the first pulley part and the second pulley part in a staggered manner and is connected with a USB cable interface;
The passive lock further includes a lower housing; the lower shell is connected with the lock body, and the USB cable and the four-core pulley are folded and contained in the lower shell.
2. The passive lock with rigid foldable USB cable of claim 1, wherein:
The first pulley part comprises a first shell, a spring thimble, a second circuit board and a first shaft contact piece; the first shell, the second circuit board and the metal optical axis are sleeved; one end of the spring thimble is inserted into and penetrates through the bottom plate of the first shell, and the other end of the spring thimble is welded with the second circuit board; one end of the first shaft contact piece is welded with the second circuit board, and the other end of the first shaft contact piece is connected with the metal optical axis.
3. The passive lock with rigid foldable USB cable of claim 2, wherein:
the second pulley part comprises a second shell, a third circuit board, a copper ring and a second shaft contact piece; the second shell and the third circuit board are sleeved with the metal optical axis; one end of the copper ring is welded with the third circuit board, and the other end of the copper ring is connected with the spring thimble; the second contact piece is welded with the third circuit board, and the other end of the second contact piece is connected with the metal optical axis; the copper ring comprises an inner copper ring, a middle copper ring and an outer copper ring; the inner copper ring, the middle copper ring and the outer copper ring are sleeved on the annular groove of the second shell.
4. A passive lock with a rigid foldable USB cable according to claim 3, wherein:
The first pulley part further comprises a first end cover, a first clamp spring and a first shaft end protection cover; wherein the first end cap is connected with the first shell; the first clamp spring is connected with the first end cover and the metal optical axis; the first shaft end protecting cover is connected with the first end cover.
5. A passive lock with a rigid foldable USB cable according to claim 3, wherein:
The second pulley part further comprises a second end cover, a second clamping spring and a second shaft end protective cover; wherein the second end cap is connected with the second shell; the second clamp spring is connected with the second end cover and the metal optical axis; the second shaft end protecting cover is connected with the second end cover.
6. A passive lock with a rigid foldable USB cable according to claim 4 or 5, wherein:
The first circuit board is arranged in the lock body and is connected with the motor;
The motor is connected with the motor cam; the motor cam is connected with the lock tongue; the lock tongue is connected with the lock beam device.
7. The passive lock with rigid foldable USB cable of claim 6, wherein:
The lock tongue comprises a transverse tongue and a vertical tongue; wherein the cross tongue is connected with the lock beam device; the vertical tongue is arranged between the spring bolt spring and the motor cam.
8. The passive lock with rigid foldable USB cable of claim 7, wherein:
The lock beam device comprises a lock beam body, a sleeve rod and a lock beam spring; wherein the lock beam body is sleeved with the loop bar; the loop bar is abutted with the lock beam spring.
9. The passive lock with rigid foldable USB cable of claim 8, wherein:
The lock beam body is provided with a lock beam groove, and the lock beam groove is matched with the transverse tongue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322826877.3U CN221373222U (en) | 2023-10-20 | 2023-10-20 | Passive lock with hard foldable USB cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322826877.3U CN221373222U (en) | 2023-10-20 | 2023-10-20 | Passive lock with hard foldable USB cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221373222U true CN221373222U (en) | 2024-07-19 |
Family
ID=91893097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322826877.3U Active CN221373222U (en) | 2023-10-20 | 2023-10-20 | Passive lock with hard foldable USB cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221373222U (en) |
-
2023
- 2023-10-20 CN CN202322826877.3U patent/CN221373222U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |