CN113581095B - Fixing and sealing device for automobile license plate - Google Patents
Fixing and sealing device for automobile license plate Download PDFInfo
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- CN113581095B CN113581095B CN202110917235.7A CN202110917235A CN113581095B CN 113581095 B CN113581095 B CN 113581095B CN 202110917235 A CN202110917235 A CN 202110917235A CN 113581095 B CN113581095 B CN 113581095B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/10—Registration, licensing, or like devices
- B60R13/105—Licence- or registration plates, provided with mounting means, e.g. frames, holders, retainers, brackets
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Abstract
The invention relates to the technical field of automobile anti-theft fixing, in particular to a fixing and sealing device for automobile license plates, which comprises an electronic anti-theft component, a detector, a receiving and reading device, a fixing component, license plates, a license plate frame, bolts and nut devices, wherein the electronic anti-theft component consists of the detector and the receiving and reading device for reading the detector, the detector is wirelessly connected with the receiving and reading device, a plurality of fixing components are distributed in a matrix shape and are used for fixedly connecting the license plates with the license plate frame, each fixing component comprises a bolt and a nut device, the electronic anti-theft component is arranged, after the automobile is started, signals of the detector can be immediately received, so that no license plate is lost, if the license plates are lost, the receiving and reading device can immediately remind an automobile owner, the license plates are fixed by arranging the fixing component, and once the nut devices are screwed with the bolts, the nut devices are detached in a specific mode, and good anti-theft and anti-loosening effects are achieved.
Description
Technical Field
The invention relates to the technical field of automobile anti-theft fixing, in particular to a fixing and sealing device for an automobile license plate.
Background
The vehicle number plate is an 'identity card' of the vehicle and is important information for distinguishing other motor vehicles; with the rapid increase of the number of automobiles, the number of automobiles is changed rapidly, and the intelligent requirement of the number plate of the automobile is higher and higher by high-tech technology.
However, the following problems exist in the use process of the license plate: firstly, after the vehicle is used for a long time, the license plate mounting bolt is continuously loosened in the continuous bumping process of the vehicle, and although the existing license plate mounting bolt is a check bolt, the bolt is loosened with probability to cause the license plate to fall off; secondly, some people conspire about illegal benefits and the phenomenon of stealing the license plate, the illegal behaviors seriously disturb the management order and the road traffic passing order of the license plate, and if the car owner does not observe that the license plate is stolen, the car is driven to the road without violation, so that the car owner is stranded.
The invention discloses a motor vehicle license plate anti-theft fixing and sealing device as disclosed in Chinese invention patent CN100581877C, the device is composed of a nut, a gasket, a bolt, a cushion seat, an inner cover cap and an outer cover cap, the bolt is composed of a thread section and a head, the cushion seat is arranged between the gasket and the head of the bolt in a cover cap shape, the opening end of the cylinder wall of the cushion seat is provided with a flaring edge extending outwards in the radial direction, the outer wall of the cylinder is provided with an inwards concave fastening ring groove, and the top surface flat plate is provided with a through hole of the bolt; the outer cover cap is in a cover cap shape and is matched with the cushion seat, a diameter expanding opening buckled with the expanding edge is correspondingly arranged on the outer cover cap, and the outer end of the diameter expanding opening is flanged inwards to form an inner clamping groove; the inner cap is arranged between the outer wall of the cylinder of the cushion seat and the inner wall of the cylinder of the outer cap, and the wall surface of the cylinder of the inner cap, which is opposite to the ring groove, is provided with an inward convex buckle bulge; the nut is a conical rotating body, and the outer side top surface flat plate is provided with an internal threaded hole meshed with the bolt; the thread section of the bolt is fixedly connected with the thread of the internal thread hole through the through hole, the head of the bolt is hidden and clamped in the through hole, the buckle bulge is in buckle connection with the buckle ring groove, and the internal clamping groove is in buckle connection with the flaring edge; the intelligent control system is complex in structure and low in intelligence degree.
Disclosure of Invention
1. Technical problem to be solved
The invention aims at the defects in the prior art, and particularly provides a fixing and sealing device for an automobile license plate, which solves the problem that the license plate is not firmly fixed and easily falls off due to the fact that an installation bolt of the existing license plate is easy to loosen.
2. Technical scheme
In order to solve the above technical problem, the present invention provides a fixing and sealing device for license plates of automobiles, comprising:
the electronic anti-theft component consists of a detector and a receiving and reading device for reading the detector, the detector is fixedly arranged on the license plate frame, the detector is arranged close to the license plate, the receiving and reading device is arranged in the automobile, and the detector is wirelessly connected with the receiving and reading device;
the fixing assemblies are distributed in a matrix shape and are used for fixedly connecting the license plate with the license plate frame, and each fixing assembly comprises a bolt penetrating through the license plate and the license plate frame and a nut device which is used for being screwed with the bolt and can prevent the bolt from loosening.
Furthermore, the bolt consists of a screw rod and a head, the screw rod penetrates through the license plate and the license plate frame to be connected with the fixing component, and the head is abutted against the license plate.
Further, the fixing assembly further comprises:
the dustproof sleeve is sleeved on the bolt in a sliding mode and located outside the head, a first through hole for the screw to penetrate through is formed in the dustproof sleeve, and the diameter of the first through hole is smaller than that of the head;
dustproof cap, fixed cover are established on dustproof sleeve, and the shaping has a plurality of joint wedge portion on dustproof cap's the inner wall, and a plurality of joint wedge portion is along dustproof cap circumferencial direction evenly distributed, and the shaping has the joint recess that supplies a plurality of to supply joint wedge portion joint on dustproof sleeve's the outer wall, and the shaping has the gliding bar groove of a plurality of joint wedge portion of confession on the dustproof sleeve.
Further, the nut device includes:
the shell is in a hexagonal prism shape, and a second through hole for the screw to pass through is formed in the shell;
the hexagonal nut is arranged inside the shell in a sliding manner, a hexagonal groove for the hexagonal nut to slide is formed in the shell, the hexagonal nut is connected with the screw in a rotating manner, and the hexagonal nut is far away from the license plate;
the gasket is arranged in the shell and positioned on one side of the hexagonal nut close to the license plate;
the annular metal elastic sheet is arranged in the shell and positioned on one side, away from the hexagon nut, of the gasket;
the circular slide is provided with the inside of shell, and circular slide is inconsistent with annular metal shrapnel, and its one side that is located annular metal shrapnel and keeps away from the gasket, and its shaping has the third through-hole that supplies the screw rod to pass.
Further, annular metal shrapnel comprises an annular splenium and a plurality of arc shell fragment, and annular splenium and gasket contact, and a plurality of arc shell fragment follows annular splenium circumferencial direction evenly distributed, and a plurality of arc shell fragment is close to circular slide setting, and the tip of every arc shell fragment all is close to the slope of screw rod direction to every arc shell fragment all with bolt joint, the shaping has the annular groove who supplies a plurality of arc shell fragment joint on the screw rod.
Furthermore, an annular arc groove for sliding and clamping the plurality of arc-shaped elastic sheets to the annular groove is formed in the circular sliding seat.
Further, the housing includes:
the hexagonal end cover is contacted with the license plate frame;
and the opening part of the hexagonal prism shell is fixed with the hexagonal end cover, and a step part for connecting the hexagonal end cover is formed on the hexagonal prism.
Furthermore, a plurality of metal clamping pieces are formed at the opening of the hexagonal prism shell and are evenly distributed along the circumferential direction of the hexagonal prism shell, and a clamping groove for clamping the plurality of metal clamping pieces is formed in the hexagonal end cover.
Furthermore, a rectangular groove for accommodating the detector is formed in one side, close to the license plate, of the license plate frame.
Furthermore, a signal transmitting circuit, an infrared proximity detection circuit and a power supply are integrated in the detector.
3. Advantageous effects
Compared with the prior art, the automobile license plate anti-theft device is provided with the electronic anti-theft component, and can immediately receive signals of the detector after the automobile is started, so that the license plate is ensured to be not lost, and the receiving and reading device can immediately remind an automobile owner if the license plate is lost;
the license plate assembly is fixed by arranging the fixing assembly, and once the nut device is screwed with the bolt, the license plate can be detached only by detaching the nut device in a specific mode, so that good anti-theft and anti-loosening effects are achieved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 4 is a perspective view of the bolt of the present invention;
FIG. 5 is an exploded view of the nut assembly of the present invention;
FIG. 6 is a schematic perspective view of the dust boot and the dust boot of the present invention;
FIG. 7 is a schematic perspective view of the annular metal spring and the circular slider according to the present invention;
in the figure:
1 is an electronic anti-theft component; 2 is a detector; 3 is a receiving and reading device; 4 is a fixed component; 5 is a license plate; 6 is a license plate frame; 7 is a bolt; 8 is a nut device; 9 is a screw rod; 10 is a head; 11 is a dustproof sleeve; 12 is a first through hole; 13 is a dust cap; 14 is a clamping wedge-shaped part; 15 is a clamping groove; 16 is a strip-shaped groove; 17 is a shell; 18 is a second through hole; 19 is a hexagon nut; 20 is a hexagonal groove; 21 is a gasket; 22 is a ring-shaped metal elastic sheet; 23 is a circular sliding seat; 24 is a third through hole; 25 is an annular bearing part; 26 is an arc-shaped elastic sheet; 27 is an annular groove; 28 is an annular arc groove; 29 is a hexagonal end cap; 30 is a hexagonal prism shell; 31 is a step part; 32 is a metal snap tab; 33 is a clamping groove; 34 are rectangular slots.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
referring to fig. 1 to 7, a sealing apparatus for license plates of automobiles includes:
the electronic anti-theft component 1 consists of a detector 2 and a receiving and reading device 3 for reading the detector 2, wherein the detector 2 is fixedly arranged on a license plate frame 6, the detector 2 is arranged close to a license plate 5, the receiving and reading device 3 is arranged in an automobile, and the detector 2 is wirelessly connected with the receiving and reading device 3;
the number of the fixing assemblies 4 is a plurality, the fixing assemblies 4 are distributed in a matrix shape, the fixing assemblies 4 are used for fixedly connecting the license plate 5 with the license plate frame 6, and each fixing assembly 4 comprises a bolt 7 penetrating through the license plate 5 and the license plate frame 6 and a nut device 8 which is used for being screwed with the bolt 7 and can prevent the bolt 7 from loosening.
When the license plate 5 is installed, the detector 2 is fixedly attached to the license plate frame 6, the detector 2 and the receiving and reading device 33 are both in the prior art, the license plate 5 is aligned to the license plate frame 6, the end part of the bolt 7 sequentially penetrates through the license plate 5 and the license plate frame 6, and the nut device 8 is screwed on the bolt 7; the receiving and reading device 3 is installed at an electrified interface inside the automobile, and when the automobile is started, the receiving and reading device 3 can receive signals of the detector 2, so that the license plate 5 is confirmed not to be lost.
The receiving interpreter 3 can adopt two schemes, one of which is that the receiving interpreter 3 can be used as a single accessory to take electricity from the vehicle cabin, and the shape of the receiving interpreter can be a form of inserting into a cigarette lighter port to take electricity, which is similar to some tire pressure monitoring sensors (namely the scheme shown in the figure); secondly, the receiving and interpreting device 3 can be integrated in an instrument assembly of the vehicle, and the anti-theft state of the license plate can be displayed on a liquid crystal instrument panel in a trial mode (not shown in the figure).
When the license plate 5 is stolen, the vehicle is started, the detector 2 does not detect the license plate 5, after the receiving and reading device 3 is electrified, a signal that the license plate 5 transmitted by the detector 2 is lost is read in the working range of the receiving and reading device 3, the receiving and reading device 3 flashes red light, and meanwhile the receiving and reading device 3 sends out prompting sound to prompt the owner that the license plate 5 is lost.
When the license plate 5 needs to be taken down, the nut device 8 is screwed with the bolt 7, the license plate 5 cannot be taken down by rotating the bolt 7, and the nut device 8 needs to be disassembled, so that the bolt 7 is disassembled, and the license plate 5 is taken down.
The bolt 7 consists of a screw rod 9 and a head 10, the screw rod 9 penetrates through the license plate 5 and the license plate frame 6 to be connected with the fixing component 4, and the head 10 is abutted to the license plate 5.
The fixing assembly 4 further comprises:
the dustproof sleeve 11 is sleeved on the bolt 7 in a sliding mode, the dustproof sleeve 11 is located outside the head portion 10, a first through hole 12 for the screw rod 9 to penetrate through is formed in the dustproof sleeve 11, and the diameter of the first through hole 12 is smaller than that of the head portion 10;
When the license plate 5 is installed, the screw rod 9 penetrates through the first through hole 12, the dustproof sleeve 11 is sleeved on the head 10, the screw rod 9 penetrates through the license plate 5 and the license plate frame 6 to be connected with the nut device 8 in a rotating mode, the clamping wedge-shaped portion 14 of the dustproof sleeve 11 is aligned to the strip-shaped groove 16, the dustproof cap 13 is pushed towards the direction close to the license plate 5, the clamping wedge-shaped portion 14 moves in the strip-shaped groove 16 until the clamping wedge-shaped portion 14 is pushed into the clamping groove 15, and therefore the dustproof cap 13 is fixed.
The dust cap 13 not only plays a role in dust prevention, but also the dust cap 13 can protect the head 10 of the bolt 7, and an anti-theft function is achieved.
The nut means 8 comprises:
a housing 17 having a hexagonal prism shape, on which a second through hole 18 through which the screw 9 passes is formed;
the hexagonal nut 19 is arranged inside the shell 17 in a sliding manner, a hexagonal groove 20 for the hexagonal nut 19 to slide is formed in the shell 17, the hexagonal nut 19 is screwed with the screw 9, and the hexagonal nut 19 is far away from the license plate 5;
the gasket 21 is arranged inside the shell 17 and is positioned on one side, close to the license plate 5, of the hexagonal nut 19;
the annular metal elastic sheet 22 is arranged inside the shell 17 and is positioned on one side, away from the hexagonal nut 19, of the gasket 21;
and the circular sliding seat 23 is arranged inside the shell 17, the circular sliding seat 23 is abutted against the annular metal elastic sheet 22, is positioned on one side of the annular metal elastic sheet 22 far away from the gasket 21, and is formed with a third through hole 24 for the screw rod 9 to pass through.
When the license plate 5 is installed, the bolt 7 is screwed with the nut device 8, the shell 17 is held by a wrench, the shell 17 cannot rotate, but the shell 17 can move along the length direction of the bolt 7, when the bolt 7 is screwed continuously, the hexagon nut 19 screwed with the bolt 7 is driven to move close to the license plate 5, the nut device 8 is abutted against the license plate frame 6 at any time, the bolt 7 is screwed continuously, the bolt 7 drives the hexagon nut 19 to slide in the hexagon groove 20 towards the direction close to the license plate 5, the hexagon nut 19 drives the gasket 21 to move together, the gasket 21 can continuously extrude the annular metal elastic sheet 22, the annular metal elastic sheet 22 can slide on the circular sliding seat 23, the circular sliding seat 23 is abutted against the shell 17, and the annular metal elastic sheet 22 can be clamped with the bolt 7 along with the continuous screwing of the bolt 7, so that the bolt 7 cannot be loosened.
When the nut assembly 8 is assembled, the hexagonal nut 19 is slid into the housing 17 in alignment with the hexagonal recess 20, and then the washer 21, the annular metal dome 22 and the annular ring are seated in the housing 17 in that order.
An annular arc groove 28 for sliding and clamping the arc-shaped elastic sheets 26 to the annular groove 27 is formed on the circular sliding seat 23.
When license plate 5 installs, annular metal shrapnel 22 constantly receives the pressure of gasket 21, and annular pressure-bearing portion 25 constantly is close to circular slide 23, and annular pressure-bearing portion 25 can extrude a plurality of arc shell fragment 26, and arc shell fragment 26 slides in annular arc groove 28, and arc shell fragment 26's tip is close to bolt 7 gradually, and the tip that reaches arc shell fragment 26 with insert annular groove 27.
The housing 17 includes:
a hexagonal end cap 29 that contacts the license plate frame 6;
the hexagonal prism case 30 has an opening fixed to the hexagonal end cap 29, and a stepped portion 31 connected to the hexagonal end cap 29 is formed on the hexagonal prism.
However, when the nut device 8 is assembled, the hexagonal nut 19, the washer 21, the annular metal spring 22, and the circular slider 23 are sequentially placed in the hexagonal-prism-shaped housing 30, the hexagonal end cap 29 is attached to the step 31, and the hexagonal end cap 29 and the hexagonal-prism-shaped housing 30 are fixed.
When the license plate 5 is installed, the hexagonal end cover 29 is placed close to the license plate frame 6, and then is screwed with the nut device 8 through the bolt 7, so that the license plate 5 is fixed, and the hexagonal prism shell 30 is designed because the whole nut device 8 needs to be controlled or rotated by a wrench.
A plurality of metal clamping sheets 32 are formed at the opening of the hexagonal prism shell 30, the plurality of metal clamping sheets 32 are uniformly distributed along the peripheral direction of the hexagonal prism shell 30, and a clamping groove 33 for clamping the plurality of metal clamping sheets 32 is formed in the hexagonal end cover 29.
When the nut device 8 is assembled, the hexagonal end cover 29 and the hexagonal prism housing 30 need to be fixed finally, the hexagonal end cover 29 is placed on the step portion 31, the clamping groove 33 is aligned with the metal clamping sheet 32, when the metal clamping sheet 32 is subjected to external force with strength, the shape of the metal clamping sheet 32 can be changed, external force is applied to the metal clamping sheet 32, the metal clamping sheet 32 is bent towards the clamping groove 33, and finally the metal clamping sheet 32 is clamped and fixed with the clamping groove 33.
When the license plate 5 needs to be disassembled, since the arc-shaped elastic sheet 26 is inserted into the annular groove 27, the bolt 7 cannot be rotated any more, and the bolt 7 cannot be separated from the nut device 8 by rotating the bolt 7, the nut device 8 needs to be disassembled, the metal clamping sheet 32 is hooked by the hook-shaped tool, the hook-shaped tool is pulled outwards, the metal clamping sheet 32 is pulled by the hook-shaped tool to change the shape of the metal clamping sheet, the end part of the metal clamping sheet 32 is pulled out from the clamping groove 33, the end part of each metal clamping sheet 32 is pulled out from the clamping groove 33 in sequence, the hexagonal prism shell 30 is disassembled, and the hexagonal nut 19, the gasket 21, the annular metal elastic sheet 22 and the circular sliding seat 23 are exposed.
Treat that hexagon nut 19 unscrews and pulls down the back, annular metal shrapnel 22 no longer receives pressure, arc shell fragment 26 slides in annular arc groove 28, annular pressure-bearing portion 25 moves to the direction of keeping away from circular slide 23, drive gasket 21 and remove to the direction of keeping away from circular slide 23 together, arc shell fragment 26's tip is taken out from annular groove 27, bolt 7 can extract this moment, bolt 7 takes out the back, gasket 21, annular metal shrapnel 22, circular slide 23 and hexagon end cover 29 all take off in proper order, take off other screw rods 9 and nut device 8 in proper order according to the same mode, when treating needs to install license plate 5, need to reassemble nut device 8, and need a new dust cap 13.
The anti-loosening and anti-theft effects are achieved through a special disassembling mode.
And a rectangular groove 34 for accommodating the detector 2 is formed on one side of the license plate frame 6 close to the license plate 5.
Example 2:
compared with embodiment 1, rectangular groove 34 can leave enough space to accommodate detector 2, so that detector 2 cannot be rubbed by other parts, thereby resulting in rejection of detector 2, and existence of rectangular groove 34 can better protect detector 2.
A signal emitting circuit, an infrared proximity detection circuit and a power supply are integrated in the detector 2.
The infrared proximity detection circuit is used for detecting a license plate, and the signal emission circuit transmits a detection result of the infrared proximity detection circuit to the receiving and reading device 3.
The power supply can be replaced by a radio frequency induction coil, so that the detector is changed into a scheme of a passive radio frequency tag; the power supply can also be replaced by a radio frequency induction coil, so that the detector is changed into a scheme of a passive radio frequency tag, wherein the radio frequency technology is a mature technical scheme and is not described again here.
The specific using process is as follows: when a license plate 5 is installed, the detector 2 is fixedly attached to the license plate frame 6, the receiving and reading device 3 is installed at an electrified interface inside the automobile, and when the automobile is started, the receiving and reading device 3 can receive signals of the detector 2, so that the license plate 5 is confirmed to be not lost; when the license plate 5 is stolen, the vehicle is started, the detector 2 does not detect the license plate 5, after the receiving and reading device 3 is electrified, a signal that the license plate 5 transmitted by the detector 2 is lost is read in the working range of the receiving and reading device 3, the receiving and reading device 3 flashes a red light, and meanwhile the receiving and reading device 3 sends out prompting sound to prompt that the license plate 5 of the vehicle owner is lost.
The license plate 5 is fixed by screwing the bolt 7 and the nut device 8, the screw rod 9 penetrates through the first through hole 12, the dustproof sleeve 11 is sleeved on the head 10, the screw rod 9 penetrates through the license plate 5 and the license plate frame 6 to be screwed with the nut device 8, the hexagonal prism shell 30 is held by a wrench, the hexagonal prism shell 30 cannot rotate, but the hexagonal prism shell 30 can move along the length direction of the bolt 7, when the bolt 7 is not screwed, the hexagonal nut 19 screwed with the bolt 7 is driven to move close to the license plate 5, the bolt 7 is continuously screwed at any time, the nut device 8 abuts against the license plate frame 6, the bolt 7 is continuously screwed, the bolt 7 drives the hexagonal nut 19 to slide in the hexagonal groove 20 towards the direction close to the license plate 5, the hexagonal nut 19 drives the gasket 21 to move together, the gasket 21 can continuously extrude the annular metal elastic sheet 22, the annular metal elastic sheet 22 can slide on the circular sliding seat 23, the circular elastic sheet 23 abuts against the shell 17, as the bolt 7 is continuously screwed, the annular metal elastic sheet 22 is continuously pressed by the annular pressing part, the annular sliding seat 25 continuously extrudes the annular sliding seat 23 on the arc-shaped elastic sheet 26, the end part of the arc-shaped sliding seat 25 gradually approaches the arc-shaped elastic sheet 26, and the end part of the arc-shaped bolt 7 can not slide in the arc-shaped groove 26, and the arc-shaped elastic sheet 26 gradually loosed arc-shaped groove 26, and the arc-shaped bolt 7, and the arc-shaped elastic sheet 26 can not slide bolt 7 can slide.
After bolt 7 and nut device 8 screwed, need establish dustproof cap 13 at 10 covers of the head of bolt 7, aim at bar groove 16 with dustproof sleeve 11's joint wedge portion 14, to being close to 5 directions promotion dustproof cap 13 of license plate, joint wedge portion 14 is at bar inslot 16 internalization, until joint wedge portion 14 pushes into in joint recess 15, thereby fix dustproof cap 13, wedge joint portion is irreversible with joint recess 15's connected mode, thereby the head 10 of bolt 7 is lived in better protection.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and embellishments can be made without departing from the technical principle of the present invention, and these modifications and embellishments should also be regarded as the protection scope of the present invention.
Claims (7)
1. A device for securing and sealing license plates for automobiles, comprising:
the electronic anti-theft component (1) is composed of a detector (2) and a receiving and reading device (3) used for reading the detector (2), the detector (2) is fixedly arranged on a license plate frame (6), the detector (2) is arranged close to a license plate (5), the receiving and reading device (3) is arranged in an automobile, and the detector (2) is in wireless connection with the receiving and reading device (3);
the number of the fixing assemblies (4) is a plurality, the fixing assemblies (4) are distributed in a matrix shape, the fixing assemblies (4) are used for fixedly connecting license plates (5) with license plate frames (6), and each fixing assembly (4) comprises a bolt (7) penetrating through the license plates (5) and the license plate frames (6) and a nut device (8) which is used for being screwed with the bolt (7) and can prevent the bolt (7) from loosening;
the bolt (7) consists of a screw rod (9) and a head (10), the screw rod (9) penetrates through the license plate (5) and the license plate frame (6) to be connected with the fixing component (4), and the head (10) is abutted to the license plate (5);
the nut arrangement (8) comprises:
a housing (17) having a hexagonal prism shape, on which a second through hole (18) through which the screw (9) passes is formed;
the hexagonal nut (19) is arranged in the shell (17) in a sliding mode, a hexagonal groove (20) for the hexagonal nut (19) to slide is formed in the shell (17), the hexagonal nut (19) is connected with the screw rod (9) in a rotating mode, and the hexagonal nut (19) is far away from the license plate (5);
the gasket (21) is arranged in the shell (17) and is positioned on one side, close to the license plate (5), of the hexagonal nut (19);
the annular metal elastic sheet (22) is arranged inside the shell (17) and is positioned on one side, away from the hexagonal nut (19), of the gasket (21);
the circular sliding seat (23) is arranged in the shell (17), the circular sliding seat (23) is abutted against the annular metal elastic sheet (22), is positioned on one side of the annular metal elastic sheet (22) far away from the gasket (21), and is formed with a third through hole (24) for the screw rod (9) to pass through;
annular metal shrapnel (22) comprises an annular pressure-bearing portion (25) and a plurality of arc shell fragment (26), annular pressure-bearing portion (25) contacts with gasket (21), a plurality of arc shell fragment (26) along annular pressure-bearing portion (25) circumferencial direction evenly distributed, a plurality of arc shell fragment (26) are close to circular slide seat (23) and set up, the tip of every arc shell fragment (26) all is close to screw rod (9) direction slope, and every arc shell fragment (26) all with bolt (7) joint, the shaping has annular groove (27) that supply a plurality of arc shell fragment (26) joint on screw rod (9).
2. A sealing arrangement for automotive license plates according to claim 1, characterized in that the fixing assembly (4) further comprises:
the dustproof sleeve (11) is sleeved on the bolt (7) in a sliding mode, the dustproof sleeve (11) is located outside the head (10), a first through hole (12) for the screw rod (9) to penetrate through is formed in the dustproof sleeve (11), and the diameter of the first through hole (12) is smaller than that of the head (10);
dustproof cap (13), fixed cover is established on dustproof sleeve (11), the shaping has a plurality of joint wedge portion (14) on the inner wall of dustproof cap (13), dustproof cap (13) circumferencial direction evenly distributed is followed in a plurality of joint wedge portion (14), the shaping has joint recess (15) that supplies a plurality of confession joint wedge portion (14) joint on the outer wall of dustproof sleeve (11), the shaping has gliding bar groove (16) of a plurality of joint wedge portion (14) of confession on dustproof sleeve (11).
3. The device according to claim 1, wherein said circular slide (23) has an annular groove (28) for slidably engaging said plurality of arc-shaped spring plates (26) with said annular groove (27).
4. A sealing arrangement for automotive license plates according to claim 1, characterized in that said housing (17) comprises:
a hexagonal end cover (29) that contacts the license plate frame (6);
and a hexagonal prism case (30) having an opening fixed to the hexagonal end cap (29), and a step (31) formed on the hexagonal prism for connecting the hexagonal end cap (29).
5. The fixing and sealing device for automobile license plates of claim 4 is characterized in that a plurality of metal clamping sheets (32) are formed at the opening of the hexagonal prism shell (30), the plurality of metal clamping sheets (32) are uniformly distributed along the circumference direction of the hexagonal prism shell (30), and the hexagonal end cover (29) is formed with a clamping groove (33) for clamping the plurality of metal clamping sheets (32).
6. The device according to claim 1, wherein the license plate holder (6) has a rectangular slot (34) formed on its side adjacent to the license plate (5) for receiving the detector (2).
7. The sealing arrangement for automotive license plates according to claim 1, characterized in that the detector (2) has integrated therein a signal emitting circuit, an infrared proximity detection circuit and a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110917235.7A CN113581095B (en) | 2021-08-11 | 2021-08-11 | Fixing and sealing device for automobile license plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110917235.7A CN113581095B (en) | 2021-08-11 | 2021-08-11 | Fixing and sealing device for automobile license plate |
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| Publication Number | Publication Date |
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| CN113581095A CN113581095A (en) | 2021-11-02 |
| CN113581095B true CN113581095B (en) | 2023-04-07 |
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| CN202110917235.7A Active CN113581095B (en) | 2021-08-11 | 2021-08-11 | Fixing and sealing device for automobile license plate |
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