CN110700700B - Police metal handcuff anti-prying structure - Google Patents
Police metal handcuff anti-prying structure Download PDFInfo
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- CN110700700B CN110700700B CN201911087634.4A CN201911087634A CN110700700B CN 110700700 B CN110700700 B CN 110700700B CN 201911087634 A CN201911087634 A CN 201911087634A CN 110700700 B CN110700700 B CN 110700700B
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- handcuff
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- 239000002184 metal Substances 0.000 title claims abstract description 44
- 210000003141 lower extremity Anatomy 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B75/00—Handcuffs ; Finger cuffs; Leg irons; Handcuff holsters; Means for locking prisoners in automobiles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- Transmission Devices (AREA)
- Gears, Cams (AREA)
Abstract
The utility model provides a police metal handcuffss pick-proof structure, including handcuffss girder (15), handcuffss fan-beam (5) and handcuffss body chassis (4), handcuffss girder (15) one end is fixed on handcuffss body chassis (4), the other end and handcuffss fan-beam (5) swing joint, the lower limb of handcuffss fan-beam (5) is equipped with handcuffss fan-beam rack (6), the left end swing joint of stopping pendulum tooth (7) is on handcuffss body chassis (4), a serial communication port, be equipped with handcuffss anti-dial protection gear on handcuffss body chassis (4), handcuffss anti-dial protection gear is at the right-hand member of stopping pendulum tooth (7), there is the distance between the right-hand member of stopping pendulum tooth (7) and the handcuffss anti-dial protection gear. The invention relates to a prying-resistant structure of metal handcuffs for police, which can effectively prevent sheet foreign matters with toughness from being inserted between a rack of a fan beam of the metal handcuffs for police and a rack of a backstop pendulum tooth, thereby achieving the purpose of preventing the metal handcuffs for police from being poked and pried and greatly improving the safety and reliability of the handcuffs for use.
Description
Technical Field
The invention relates to a police metal handcuff anti-prying structure, and belongs to the field of police instruments.
Background
The existing metal handcuffs for police have lower poking-proof and prying-proof performance, and can achieve the aim of illegally releasing the handcuffs if flexible thin slice foreign matters are used. Therefore, the existing metal handcuffs for police have certain weak links during application, and the safety and reliability of the metal handcuffs can be affected.
Disclosure of Invention
The invention aims to provide a police metal handcuff anti-prying structure, which solves the problem that police metal handcuffs are easy to pry.
A police metal handcuff anti-prying structure comprises a handcuff main beam 15, a handcuff fan beam 5 and a handcuff body chassis 4, wherein one end of the handcuff main beam 15 is fixed on the handcuff body chassis 4, the other end of the handcuff main beam is movably connected with the handcuff fan beam 5, the lower edge of the handcuff fan beam 5 is provided with a handcuff fan beam rack 6, the left end of a backstop pendulum tooth 7 is movably connected on the handcuff body chassis 4, the structure is characterized in that the handcuff body chassis 4 is provided with a handcuff anti-poking protection gear, the handcuff anti-poking protection gear is arranged at the right end of the backstop pendulum tooth 7, the right end of the backstop pendulum tooth 7 is separated from the handcuff anti-poking protection gear, the handcuff anti-poking protection gear comprises a cylindrical spur gear 1 and a cylindrical handcuff installation shaft 3, a central positioning through hole 2 is arranged in the middle of the straight spur gear 1, one end of the cylindrical installation shaft 3 is fixed on the handcuff body chassis 4, the central positioning through hole 2 in the, the straight toothed spur gear 1 is movably connected with the cylindrical mounting shaft 3;
when the handcuffs are closed, the handcuff fan beam racks 6 on the handcuff fan beam 5 are firstly meshed with the straight-tooth cylindrical gear 1 and then extend into the handcuff body chassis 4; the spur gear 1 rotates with the movement of the handcuff fan beam rack 6 on the handcuff fan beam 5.
The anti-retreating swing teeth 7 are provided with anti-retreating swing tooth racks 8, the right ends of the anti-retreating swing teeth 7 are installed at the upper ends of sliding blocks 9, the sliding blocks 9 are connected with springs 10, and the springs 10 are connected with the handcuff body chassis 4 through connecting pieces.
The invention relates to a prying-resistant structure of metal handcuffs for police, which can effectively prevent sheet foreign matters with toughness from being inserted between a rack of a fan beam of the metal handcuffs for police and a rack of a backstop pendulum tooth, thereby achieving the purpose of preventing the metal handcuffs for police from being poked and pried and greatly improving the safety and reliability of the handcuffs for use.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
The handcuff body base plate is arranged on the handcuff body, the handcuff body base plate is arranged on the handcuff body base plate, the handcuff body base.
Detailed Description
A police metal handcuff anti-prying structure comprises a handcuff main beam 15, a handcuff fan beam 5 and a handcuff body chassis 4, wherein one end of the handcuff main beam 15 is fixed on the handcuff body chassis 4, the other end of the handcuff main beam is movably connected with the handcuff fan beam 5, the lower edge of the handcuff fan beam 5 is provided with a handcuff fan beam rack 6, the left end of a backstop pendulum tooth 7 is movably connected on the handcuff body chassis 4, the structure is characterized in that the handcuff body chassis 4 is provided with a handcuff anti-poking protection gear, the handcuff anti-poking protection gear is arranged at the right end of the backstop pendulum tooth 7, the right end of the backstop pendulum tooth 7 is separated from the handcuff anti-poking protection gear, the handcuff anti-poking protection gear comprises a cylindrical spur gear 1 and a cylindrical handcuff installation shaft 3, a central positioning through hole 2 is arranged in the middle of the straight spur gear 1, one end of the cylindrical installation shaft 3 is fixed on the handcuff body chassis 4, the central positioning through hole 2 in the, the straight toothed spur gear 1 is movably connected with the cylindrical mounting shaft 3;
when the handcuffs are closed, the handcuff fan beam racks 6 on the handcuff fan beam 5 are firstly meshed with the straight-tooth cylindrical gear 1 and then extend into the handcuff body chassis 4; the spur gear 1 rotates with the movement of the handcuff fan beam rack 6 on the handcuff fan beam 5.
The anti-retreating swing teeth 7 are provided with anti-retreating swing tooth racks 8, the right ends of the anti-retreating swing teeth 7 are installed at the upper ends of sliding blocks 9, the sliding blocks 9 are connected with springs 10, and the springs 10 are connected with the handcuff body chassis 4 through connecting pieces.
Example (b):
1) machining and mounting anti-poking protection gear 1 for police metal handcuffs
Designing and processing a poking-proof protection gear of police handcuffs: the parameters (such as modulus m, full tooth height h, and the like) of the gear are required to be the same as the parameters of the rack 6 of the fan beam 5, so that the gear is meshed with the tooth profile of the rack 6 of the fan beam 5, and the meshing curve is an involute curve;
should prevent dialling protection gear installation: a central mounting shaft 3 is vertically fixed on the inner surface of the base plate 4 of the handcuff body, the central mounting shaft 3 passes through the central through hole 2 of the anti-poking protection gear and is in sliding connection with the anti-poking protection gear through the central through hole 2, and tooth profile meshing is realized between the anti-poking protection gear and the rack 6 of the fan beam 5;
2) follow-up characteristic of anti-pick protective gear 1
According to the machining and mounting method of the anti-poking protection gear 1, the anti-poking protection gear 1 can only rotate around the central mounting shaft 3 in the forward and reverse (namely, anticlockwise and clockwise) directions parallel to the handcuff body chassis 4;
according to the machining and mounting method of the anti-pulling protection gear in the above 1, the anti-pulling protection gear 1 is a driven wheel, is driven by the rack 6 of the fan beam 5 to make a rotary motion, and changes the rotary motion direction of the driven wheel along with the change of the moving direction of the rack 6 of the fan beam 5;
according to the processing and mounting method of the anti-poking protection gear in the step 1, the anti-poking protection gear has no transmission load, so that the mounting of the anti-poking protection gear does not change various technical parameters and use operation habits of the original metal plate type handcuffs;
3) anti-pick protection characteristic of anti-pick protection gear 1
According to the machining and mounting method and the follow-up characteristic of the anti-dial protection gear 1 and 2, the anti-dial protection gear 1 has the following anti-dial protection characteristics:
before the tooth profile meshing position of the rack 6 of the sector beam 5 and the tooth profile meshing position of the backstop rack 7, the anti-poking protection gear 1 is meshed with the tooth profile of the sector beam rack 6, the number of meshing teeth is 3, and the anti-poking protection gear is inelastic, so that a protection barrier meshed with the tooth profile between the rack 6 of the sector beam 5 and the rack 8 of the backstop pendulum teeth 7 is formed, and the insertion of a common sheet foreign body is blocked;
for the special thin foreign bodies (such as the foreign bodies with the thickness of 0.05mm or less and excellent toughness), even if the special thin foreign bodies are driven by matching with the action of manually pressing the rack 6 of the fan beam 5, the special thin foreign bodies are forced to pass through the meshing curve of the anti-pulling protection gear and the rack 6 of the fan beam 5, and because of the extrusion deformation and the limitation of the meshing curve, the special thin foreign bodies cannot be inserted into the tooth profile meshing between the rack 6 of the fan beam 5 and the rack 8 of the retaining rack 7 again, and the retaining rack 7 cannot be pulled and pried. Therefore, the anti-picking protective gear effectively improves the anti-picking property of the metal police handcuffs.
An anti-poking protection gear for metal handcuffs for police is used for protecting the safety of the metal handcuffs and preventing the handcuffs from being illegally opened by poking prizes. This it is alert with metal handcuffss anti-dial protection gear includes:
the straight toothed spur gear comprises a central positioning through hole arranged on the straight toothed spur gear;
and the cylindrical mounting shaft is fixedly and vertically mounted on the inner surface of the chassis of the metal handcuffs and is in sliding connection with the straight-toothed spur gear through a central positioning through hole of the straight-toothed spur gear, so that tooth profile meshing is realized between the straight-toothed spur gear and the racks of the fan beams of the handcuffs, and the insertion of thin-sheet foreign bodies is blocked, thereby achieving the purpose of preventing the police metal handcuffs from being poked.
Because the anti-poking protection gear has no driving power and no transmission mechanical load, the anti-poking protection gear only rotates around the cylindrical mounting shaft in a positive and negative (clockwise or anticlockwise) way under the driving of the movement of the handcuff fan beam rack; therefore, the anti-poking protection gear does not change all technical parameters of the original metal handcuffs for the police and the use and operation habits of the original metal handcuffs for the police.
A police metal handcuffs anti-prying structure is characterized by comprising (as shown in figure 1):
a spur gear 1 comprising: a central positioning through hole 2 is arranged on the gear;
a cylindrical mounting shaft 3, one end of which is vertically and fixedly mounted on the inner surface of the handcuff body chassis 4;
the cylindrical mounting shaft 3 is vertically and fixedly mounted on the inner surface of the handcuff body chassis 4, passes through the central positioning through hole 2 of the anti-poking protection gear 1 and is in sliding connection with the anti-poking protection gear 1, so that the anti-poking protection gear 1 can only rotate around the cylindrical mounting shaft 3 in the forward and backward (namely anticlockwise and clockwise) directions parallel to the handcuff body chassis 4;
the anti-poking protection gear 1 rotating around the round mounting shaft 3 is meshed with the gear rack 6 of the handcuff fan beam 5;
the anti-pulling protection gear 1 has no driving force and no mechanical load;
the anti-poking protection gear 1 is only meshed with the tooth profile between the racks 6 of the handcuff fan beam 5, and correspondingly rotates forwards and backwards (namely anticlockwise and clockwise) along with the forward and backward movement of the racks 6; the technical parameters and the using and operating habits of the original police metal handcuffs are not changed;
the basic parameters related to the engagement of the anti-plucking protection gear 1 with the toothed rack 6 of the handcuff fan beam 5 are the same.
The rack 8 of the backstop swing teeth 7 is meshed with the rack 6 of the fan beam 5; the swing of the backstop swing teeth 7 is controlled by a slide block 9 and a spring 10.
The invention is mainly used
The anti-poking and anti-prying performance of the existing metal handcuffs for the police is improved, the use of sheet foreign matters with high toughness is prevented, the purpose of illegally releasing the handcuffs is achieved, and the use safety and reliability of the existing metal handcuffs for the police are effectively enhanced.
The basic characteristics of the invention
The invention provides a novel mechanical structure which enables police metal handcuffs to further have poking-proof and prying-proof performances, can be used for solving the problem that the poking-proof and prying-proof performances of the original police metal handcuffs are lower, and is technically characterized in that:
1. by applying the technology provided by the anti-poking protection gear of the metal handcuffs for the police, various technical parameters including mechanical strength of the original metal handcuffs for the police are not changed;
2. the technology provided by the anti-poking protection gear of the metal handcuffs for the police does not change the use and operation habits of the original metal handcuffs for the police.
3. The police metal handcuffs anti-poking protection gear is low in manufacturing cost, obvious in protection effect, simple in mechanical structure, easy to achieve, high in technical application value and low in economic cost.
The invention discloses an anti-prying structure anti-prying protection gear 1 for police metal handcuffs, which aims to solve the core problem that tough sheet foreign matters are effectively prevented from being inserted between a rack 6 of a fan beam 5 of the police metal handcuffs and a rack 8 of a backstop swing tooth 7, so that the aim of preventing the police metal handcuffs from being pryed is fulfilled.
The invention adopts a method of adding the anti-poking protection gear 1, a new engagement point formed by the anti-poking protection gear 1 and the rack 6 of the handcuff fan beam 5 is added before the engagement point of the rack 6 of the handcuff fan beam 5 and the rack 8 of the anti-backing swing teeth 7, and the new engagement point is utilized to effectively prevent the insertion of sheet foreign matters; even if extremely thin (such as below 0.05 mm) sheet foreign matters with extremely high toughness are adopted and enter along with the meshing curve between the anti-poking protection gear 1 and the rack 6 of the fan beam 5, the sheet foreign matters lose the ability of poking and stopping the rack 7 due to the restriction of the meshing curve between the anti-poking protection gear 1 and the rack 6 of the fan beam 5, so that the function of obviously enhancing the anti-poking function of the metal handcuffs is achieved, and the safety and the reliability of the handcuffs in use are greatly improved.
Claims (2)
1. A police metal handcuff anti-prying structure comprises a handcuff main beam (15), a handcuff fan beam (5) and a handcuff body chassis (4), one end of the handcuff main beam (15) is fixed on the handcuff body chassis (4), the other end of the handcuff main beam is movably connected with the handcuff fan beam (5), a handcuff fan beam rack (6) is arranged at the lower edge of the handcuff fan beam (5), the left end of a stopping swing tooth (7) is movably connected onto the handcuff body chassis (4), the structure is characterized in that a handcuff anti-poking protection gear is arranged on the handcuff body chassis (4), the handcuff anti-poking protection gear is arranged at the right end of the stopping swing tooth (7), a distance is reserved between the right end of the stopping swing tooth (7) and the handcuff anti-poking protection gear, the handcuff anti-poking protection gear comprises a straight-tooth cylindrical gear (1) and a cylindrical mounting shaft (3), a central positioning through hole (2) is arranged in the middle of the straight-tooth cylindrical gear (1), one end of the cylindrical mounting shaft (3) is fixed on the, a central positioning through hole (2) in the middle of the straight toothed spur gear (1) is sleeved on the other end of the cylindrical mounting shaft (3), and the straight toothed spur gear (1) is movably connected with the cylindrical mounting shaft (3);
when the handcuffs are closed, the handcuff fan beam racks (6) on the handcuff fan beam (5) are firstly meshed with the straight-tooth cylindrical gear (1) and then extend into the handcuff body chassis (4); the straight toothed cylindrical gear (1) moves along with the handcuff fan beam rack (6) on the handcuff fan beam (5) to rotate.
2. The anti-picking structure of the metal handcuffs for police as claimed in claim 1, wherein the anti-picking shackles (7) are provided with anti-picking shackles racks (8), the right ends of the anti-picking shackles (7) are mounted at the upper ends of sliders (9), the sliders (9) are connected with springs (10), and the springs (10) are connected with the handcuff body chassis (4) through connecting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911087634.4A CN110700700B (en) | 2019-11-08 | 2019-11-08 | Police metal handcuff anti-prying structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911087634.4A CN110700700B (en) | 2019-11-08 | 2019-11-08 | Police metal handcuff anti-prying structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110700700A CN110700700A (en) | 2020-01-17 |
| CN110700700B true CN110700700B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911087634.4A Active CN110700700B (en) | 2019-11-08 | 2019-11-08 | Police metal handcuff anti-prying structure |
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| Country | Link |
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| CN (1) | CN110700700B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877888A (en) * | 2020-07-10 | 2020-11-03 | 北京恒得安防科技有限公司 | Intelligent handcuffs |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1579333A (en) * | 1922-09-12 | 1926-04-06 | Peerless Handcuff Company | Handcuff-lock construction |
| CN2095919U (en) * | 1991-02-01 | 1992-02-12 | 长春市专利技术开发公司 | Magnetic handcuffs |
| CN2716450Y (en) * | 2004-03-31 | 2005-08-10 | 马翀 | Poking-resistant handcuffs |
| CN201953196U (en) * | 2011-01-27 | 2011-08-31 | 滕丽丽 | Three-safety handcuffs |
| CN202108345U (en) * | 2011-06-10 | 2012-01-11 | 滕丽丽 | Dual fail-safe handcuffs |
| CN202810415U (en) * | 2012-09-21 | 2013-03-20 | 崔泽江 | Handcuff structure for preventing illegal opening |
-
2019
- 2019-11-08 CN CN201911087634.4A patent/CN110700700B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1579333A (en) * | 1922-09-12 | 1926-04-06 | Peerless Handcuff Company | Handcuff-lock construction |
| CN2095919U (en) * | 1991-02-01 | 1992-02-12 | 长春市专利技术开发公司 | Magnetic handcuffs |
| CN2716450Y (en) * | 2004-03-31 | 2005-08-10 | 马翀 | Poking-resistant handcuffs |
| CN201953196U (en) * | 2011-01-27 | 2011-08-31 | 滕丽丽 | Three-safety handcuffs |
| CN202108345U (en) * | 2011-06-10 | 2012-01-11 | 滕丽丽 | Dual fail-safe handcuffs |
| CN202810415U (en) * | 2012-09-21 | 2013-03-20 | 崔泽江 | Handcuff structure for preventing illegal opening |
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| Publication number | Publication date |
|---|---|
| CN110700700A (en) | 2020-01-17 |
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