CN209803951U - Needle type commodity anti-theft device - Google Patents
Needle type commodity anti-theft device Download PDFInfo
- Publication number
- CN209803951U CN209803951U CN201920554297.4U CN201920554297U CN209803951U CN 209803951 U CN209803951 U CN 209803951U CN 201920554297 U CN201920554297 U CN 201920554297U CN 209803951 U CN209803951 U CN 209803951U
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- CN
- China
- Prior art keywords
- lock catch
- needle
- contact pin
- driving
- assembly
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Abstract
The utility model relates to a needle type commodity burglar alarm, which comprises a contact pin component and a lock catch component; the contact pin assembly comprises a pressing head, and a contact pin is arranged on the pressing head; the lock catch assembly comprises a shell, wherein the shell is provided with a lock catch body and a containing hole for containing the lock catch body; the front end of the lock catch body is provided with a pinhole matched with the contact pin, the side surface of the lock catch body is provided with at least three openings communicated with the pinhole, and the openings are internally provided with balls; the shell is also provided with a driving component for driving the lock catch body to move towards and away from the contact pin; the inner wall of the accommodating hole is provided with a shrinking section with a gradually reduced opening, and when the lock catch body is driven by the driving assembly to move inwards or outwards, the ball is extruded by the shrinking section to move towards the needle hole and abuts against the contact pin inserted into the ball; drive the motion of hasp body through drive assembly, rely on the shrink section to adjust the extrusion force to the ball for a plurality of balls extrude the locking or loosen the unblock to the contact pin of male pinhole, make external magnetic force can't unblock it, thereby improve the theftproof performance.
Description
Technical Field
The utility model relates to a technical field is detained in the theftproof, more specifically says, relates to a needle type commodity alarm.
Background
The anti-theft buckle is mainly used in market clothing exclusive shops and markets, articles such as clothes, cotton cloth and the like are bound in a mode of clamping by a pin buckle, if a consumer takes away the anti-theft buckle privately, RF passive induction in the anti-theft device is triggered to send a wireless radio frequency signal with a certain frequency band to the anti-theft door, and the anti-theft door is triggered to alarm;
The internal locking mechanism of the existing anti-theft buckle realizes locking by means of the elastic force of an internal spring to push an internal metal steel ball to be matched with a slot of a clamping needle, and unlocking is realized when the spring and the metal ball are sucked out of a hole position of a locking body backwards by external strong magnetic force; but this kind of mode can utilize outside strong magnetic force to carry out the unblock, and theftproof performance is relatively poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the present invention is to provide a needle-shaped article burglar alarm against the above-mentioned defects of the prior art.
the utility model provides a technical scheme that its technical problem adopted is:
Constructing a needle type commodity burglar alarm, wherein the needle type commodity burglar alarm comprises a contact pin assembly and a lock catch assembly; the contact pin assembly comprises a pressing head, and a contact pin is arranged on the pressing head; the lock catch assembly comprises a shell, wherein a lock catch body and a containing hole for containing the lock catch body are arranged on the shell; the front end of the lock catch body is provided with a pinhole matched with the contact pin, the side surface of the lock catch body is provided with at least three openings communicated with the pinhole, and balls are arranged in the openings; the shell is also provided with a driving component which drives the lock catch body to move towards and away from the contact pin; the inner wall of the accommodating hole is provided with a contraction section with a gradually reduced opening, and when the lock catch body is driven by the driving assembly to move inwards or outwards, the ball is extruded by the contraction section to move towards the needle hole and abuts against the contact pin inserted into the pin hole.
The needle-shaped commodity burglar alarm of the utility model is characterized in that the driving component comprises a driving motor, and the movable end of the driving motor is fixedly connected with a rotating shaft; the rotating shaft is sleeved with a spring, and a convex block is arranged on the side surface of the rotating shaft and extends into a gap of the spring; the tail end of the lock catch body is detachably connected with a driving sleeve; the spring, the rotating shaft and the lug are all positioned inside the driving sleeve; and a guide assembly for preventing the driving sleeve from axially moving along with the rotating shaft is arranged in the shell.
Needle type commodity alarm, wherein, the drive sleeve side surface is provided with one or more edge of a wing, the direction subassembly be with edge of a wing complex guide way.
The needle-shaped commodity burglar alarm of the utility model is characterized in that the tail end of the lock catch body is provided with a slot for the driving sleeve to extend into; the front end of the driving sleeve is provided with a buckle; the inner wall of the groove is provided with a clamping hole corresponding to the buckle.
The needle-shaped commodity burglar alarm of the utility model also comprises a pin arm and a lock catch arm which are connected with the end part in a rotating way; the pin assembly and the lock catch assembly are respectively arranged on the pin arm and the lock catch arm; the lock catch arm is provided with a controller for controlling the driving assembly and a power supply for supplying power to the driving assembly and the controller.
The needle-shaped commodity burglar alarm of the utility model is characterized in that the shell is positioned inside the latch arm; the latch arm is provided with an insertion hole corresponding to the insertion pin.
The needle-shaped commodity burglar alarm of the utility model is characterized in that the latch arm is provided with a positioning bulge, and the inserting hole is arranged on the positioning bulge; and the pin arm is provided with a positioning groove corresponding to the positioning bulge.
the needle type commodity burglar alarm of the utility model is characterized in that the needle arm is provided with a mounting groove for mounting the pressing head, and a reset piece for resetting the pressing head after being pressed is arranged in the mounting groove; and the bottom of the mounting groove is provided with a pin inserting hole communicated with the positioning groove.
The needle-shaped commodity burglar alarm of the utility model is characterized in that the reset piece is a reset spring sleeved outside the contact pin; a movable sleeve sleeved outside the pressing head is arranged in the mounting groove; the lower end of the movable sleeve is provided with a first annular outer flange, and the upper end of the movable sleeve is provided with a first annular inner flange; a second annular inner flange corresponding to the first annular outer flange is arranged on the mounting groove; a second annular outer flange corresponding to the first annular inner flange is arranged at the lower end of the pressing head; one end of the reset spring is tightly abutted against the second annular outer flange, and a clamping block for clamping and installing the reset spring is arranged at the bottom of the installation groove.
The needle-shaped commodity burglar alarm of the utility model is characterized in that the controller is provided with a wireless module for receiving external instructions; and the controller controls the driving component to operate after receiving an external instruction through the wireless module.
The beneficial effects of the utility model reside in that: drive the motion of hasp body through drive assembly, rely on the shrink section to adjust the extrusion force to the ball for a plurality of balls extrude the locking or loosen the unblock to the contact pin of male pinhole, make external magnetic force can't unblock it, thereby improve the theftproof performance.
Drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:
FIG. 1 is a schematic view of the unlocking state of the needle-type merchandise burglar alarm according to the preferred embodiment of the present invention;
FIG. 2 is a schematic view of the locking state of the needle-shaped article surveillance device according to the preferred embodiment of the present invention;
FIG. 3 is a schematic view of a latch assembly of the needle-type merchandise anti-theft device according to the preferred embodiment of the present invention;
Fig. 4 is an enlarged view of the pin assembly and the pin arm of the needle-type merchandise alarm according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
The needle-type merchandise anti-theft device of the preferred embodiment of the present invention is shown in fig. 1, and comprises a needle insertion component 1 and a lock catch component 2; the pin assembly 1 comprises a pressing head 10, and a pin 11 is arranged on the pressing head 10; the lock catch assembly 2 comprises a shell 20, wherein a lock catch body 21 and a containing hole 22 for containing the lock catch body 21 are arranged on the shell 20; the front end of the lock catch body 21 is provided with a pinhole 210 matched with the pin 11, the side surface is provided with at least three openings 211 communicated with the pinhole 210, and the openings 211 are internally provided with balls 212; the housing 20 is further provided with a driving assembly 23 for driving the locking body 21 to move towards and away from the pin 11; the inner wall of the accommodating hole 22 is provided with a shrinking section 220 with a gradually reduced opening, when the lock catch body 21 is driven by the driving component 23 to move inwards or outwards, the ball 212 is pressed by the shrinking section 220 to move towards the needle hole 210 and tightly press the pin 11 inserted therein;
The driving assembly 23 drives the locking buckle body 21 to move, the pressing force on the balls 212 is adjusted by the tightening section 220, so that the pins 11 inserted into the pinholes 210 are pressed and locked or unlocked by the balls 212, and the external magnetic force cannot unlock the pins, thereby improving the anti-theft performance.
Preferably, the driving assembly 23 includes a driving motor 230, and a rotating shaft 231 is fixedly connected to a movable end of the driving motor 230; the rotating shaft 231 is sleeved with a spring 232, a convex block 233 is arranged on the side surface of the rotating shaft 231, and the convex block 233 extends into the gap of the spring 232; the tail end of the lock catch body 21 is detachably connected with a driving sleeve 234; the spring 232, the rotating shaft 231 and the projection 233 are all located inside the driving sleeve 234; a guide assembly 200 for preventing the driving sleeve 234 from moving axially along with the rotating shaft 231 is disposed in the housing 20;
The rotating shaft 231 is driven to rotate by the driving motor 230, the convex block 233 rotates along with the rotating shaft 231 to extrude the spring 232, and the lock catch body 21 and the driving sleeve 234 are driven to move under the guiding action of the guiding assembly 200, so that the rotating motion of the motor is converted into linear motion; the structure is compact, and the spring has a buffer stroke in the movement process; in addition, when the spring is deformed due to stress, the force applied to the bump 233 is increased, so that the resistance applied to the rotation of the driving motor is increased, and the range of the resistance value can be used as a basis for controlling the driving motor to stop;
it should be noted that, the driving assembly 23 may also be a motor driving gear, a gear driving rack, a mode in which the rack drives the locking body to move linearly, a micro linear motor, or the like, besides using the above structure.
Preferably, one or more flanges 235 are disposed on the side surface of the driving sleeve 234, and the guide assembly 200 is a guide groove 200 engaged with the flanges 235;
it should be noted that the drive sleeve may also be configured as a non-cylindrical structure such as a flat, triangular, etc., and the guide assembly is configured as a guide slot that matches the shape of the non-cylindrical structure.
Preferably, the tail end of the lock catch body 21 is provided with a slot 213 into which the driving sleeve 234 extends; the front end of the driving sleeve 234 is provided with a buckle 236; the inner wall of the slot 213 is provided with a clamping hole 214 corresponding to the clamping buckle 236; the assembly is convenient.
Preferably, the needle type commodity burglar alarm further comprises a contact pin arm 3 and a latch arm 4, the ends of which are rotatably connected; the contact pin assembly 1 and the lock catch assembly 2 are respectively arranged on the contact pin arm 3 and the lock catch arm 4; latch arm 4 is provided with a controller 40 for controlling drive assembly 23, and a power supply 41 for supplying power to drive assembly 23 and controller 40; integrity is guaranteed, the situations of losing the pin inserting assembly and locking the assembly are avoided, and the use and the control are very convenient;
It should be noted that, in the case where the drive assembly includes a motor, the controller is a motor controller.
preferably, housing 20 is located inside latch arm 4; latch arm 4 is provided with an insertion hole 42 corresponding to pin 11.
preferably, the latch arm 4 is provided with a positioning projection 43, and the insertion hole 42 is provided on the positioning projection 43; the needle arm 3 is provided with a positioning groove 30 corresponding to the positioning bulge 43; when the locking device is used, the positioning protrusion 43 and the positioning groove 30 are used for quick positioning.
Preferably, the needle arm 3 is provided with an installation groove 31 for installing the pressing head 10, and a reset piece 310 for resetting the pressing head 10 after being pressed is arranged in the installation groove 31; the bottom of the mounting groove 31 is provided with a pin hole 311 communicated with the positioning groove 30; so that the pressing head 10 is rapidly reset by means of the pressure of the reset member 310 when unlocked.
preferably, the reset piece 310 is a reset spring 310 sleeved outside the insertion pin 21; a movable sleeve 312 sleeved outside the pressing head 10 is arranged in the mounting groove 31; the lower end of the movable sleeve 312 is provided with a first annular outer flange 3120, and the upper end is provided with a first annular inner flange 3121; the mounting groove 31 is provided with a second annular inner flange 313 corresponding to the first annular outer flange 3120; the lower end of the pressing head 10 is provided with a second annular outer flange 100 corresponding to the first annular inner flange 3121; one end of the return spring 310 abuts against the second annular outer flange 100, and the bottom of the mounting groove 31 is provided with a clamping block 314 for clamping and mounting the return spring 310; simple structure, the contact pin stroke is great.
Preferably, the controller 40 is provided with a wireless module for receiving an external instruction; after receiving an external instruction through the wireless module, the controller 40 controls the operation of the driving assembly 23; the control can be realized by adopting a conventional wireless control motor circuit.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (10)
1. A needle type commodity burglar alarm is characterized by comprising a contact pin assembly and a lock catch assembly; the contact pin assembly comprises a pressing head, and a contact pin is arranged on the pressing head; the lock catch assembly comprises a shell, wherein a lock catch body and a containing hole for containing the lock catch body are arranged on the shell; the front end of the lock catch body is provided with a pinhole matched with the contact pin, the side surface of the lock catch body is provided with at least three openings communicated with the pinhole, and balls are arranged in the openings; the shell is also provided with a driving component which drives the lock catch body to move towards and away from the contact pin; the inner wall of the accommodating hole is provided with a contraction section with a gradually reduced opening, and when the lock catch body is driven by the driving assembly to move inwards or outwards, the ball is extruded by the contraction section to move towards the needle hole and abuts against the contact pin inserted into the pin hole.
2. The needle type article surveillance device according to claim 1, wherein the driving assembly comprises a driving motor, a rotating shaft is fixedly connected to a movable end of the driving motor; the rotating shaft is sleeved with a spring, and a convex block is arranged on the side surface of the rotating shaft and extends into a gap of the spring; the tail end of the lock catch body is detachably connected with a driving sleeve; the spring, the rotating shaft and the lug are all positioned inside the driving sleeve; and a guide assembly for preventing the driving sleeve from axially moving along with the rotating shaft is arranged in the shell.
3. The needle merchandise alarm of claim 2, wherein said drive sleeve side surface is provided with one or more flanges, and said guide assembly is a guide slot engaged with said flanges.
4. The needle-type article burglar alarm according to claim 2, wherein a slot into which said driving sleeve is inserted is provided at a rear end of said locking body; the front end of the driving sleeve is provided with a buckle; the inner wall of the groove is provided with a clamping hole corresponding to the buckle.
5. The needle type article surveillance device according to any one of claims 1-4, further comprising a latch arm and a latch arm with rotatably connected ends; the pin assembly and the lock catch assembly are respectively arranged on the pin arm and the lock catch arm; the lock catch arm is provided with a controller for controlling the driving assembly and a power supply for supplying power to the driving assembly and the controller.
6. The needle merchandise alarm of claim 5, wherein said housing is located inside said latch arm; the latch arm is provided with an insertion hole corresponding to the insertion pin.
7. The needle-type article surveillance device according to claim 6, wherein the latch arm is provided with a positioning projection, and the insertion hole is provided on the positioning projection; and the pin arm is provided with a positioning groove corresponding to the positioning bulge.
8. The needle-type commodity burglar alarm according to claim 7, wherein a mounting groove for mounting said pressing head is provided in said needle arm, and a reset member for resetting said pressing head after pressing is provided in said mounting groove; and the bottom of the mounting groove is provided with a pin inserting hole communicated with the positioning groove.
9. The needle-type merchandise alarm according to claim 8, wherein said reset member is a reset spring sleeved outside said insertion needle; a movable sleeve sleeved outside the pressing head is arranged in the mounting groove; the lower end of the movable sleeve is provided with a first annular outer flange, and the upper end of the movable sleeve is provided with a first annular inner flange; a second annular inner flange corresponding to the first annular outer flange is arranged on the mounting groove; a second annular outer flange corresponding to the first annular inner flange is arranged at the lower end of the pressing head; one end of the reset spring is tightly abutted against the second annular outer flange, and a clamping block for clamping and installing the reset spring is arranged at the bottom of the installation groove.
10. the needle-type article surveillance device according to claim 5, wherein a wireless module for receiving an external command is provided on the controller; and the controller controls the driving component to operate after receiving an external instruction through the wireless module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554297.4U CN209803951U (en) | 2019-04-23 | 2019-04-23 | Needle type commodity anti-theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554297.4U CN209803951U (en) | 2019-04-23 | 2019-04-23 | Needle type commodity anti-theft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209803951U true CN209803951U (en) | 2019-12-17 |
Family
ID=68830501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920554297.4U Expired - Fee Related CN209803951U (en) | 2019-04-23 | 2019-04-23 | Needle type commodity anti-theft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209803951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248600A1 (en) * | 2020-06-12 | 2021-12-16 | 格美特智能电子科技(昆山)有限公司 | Anti-theft label |
-
2019
- 2019-04-23 CN CN201920554297.4U patent/CN209803951U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248600A1 (en) * | 2020-06-12 | 2021-12-16 | 格美特智能电子科技(昆山)有限公司 | Anti-theft label |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20210423 |