CN206257151U - A kind of fastener draw bail of license plate Anti-dismantling - Google Patents
A kind of fastener draw bail of license plate Anti-dismantling Download PDFInfo
- Publication number
- CN206257151U CN206257151U CN201621336644.9U CN201621336644U CN206257151U CN 206257151 U CN206257151 U CN 206257151U CN 201621336644 U CN201621336644 U CN 201621336644U CN 206257151 U CN206257151 U CN 206257151U
- Authority
- CN
- China
- Prior art keywords
- bolt
- license plate
- dismantling
- annular groove
- attaching nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
Abstract
The utility model belongs to anti-tamper sealing component, refer in particular to a kind of fastener draw bail of license plate Anti-dismantling, the bolt being threadedly coupled including attaching nut and with it, the lower end of the bolt forms blind hole, the bottom of the attaching nut is threaded with screw, the upper end of screw is shaped to cone, and the conical surface one of cone is stretched into the blind hole of bolt and mutually held out against with the end face of blind hole.The design is carried out locked by screw to bolt, it easy removal cannot be got off from attaching nut, reaches the purpose that bolt locks retaining.
Description
Technical field
The utility model belongs to anti-tamper sealing component, refers in particular to a kind of fastener draw bail of license plate Anti-dismantling.
Background technology
At present, often there is a license plate for having on different cars or on same automobile in annual automobile increasing number
Many different licence plates are arbitrarily changed, and more have theft licence plate event to occur repeatedly, have upset normal civil order.Now, it is general
License plate for vehicle sealing device, be bolt through cylindrical groove shape housing center, license plate is fastened on automobile, outside plastics
Several square holes are arranged at shell bottom, and corresponding plastic seal cap, root end has several paint points, and plug-in card enters square hole and opens bolt
Position is closed, or the anti-guard housing of cylindrical groove shape is provided with fastening bolt, grafting protective cover on anti-guard housing, and bolt is through anti-guard housing
Be fastened on license plate on automobile by center, and then grafting protective cover covers fastening bolt head.It is used for fixing vapour described in these
The method of license plate be not very effectively, just can be with tamper protection structure as long as often gently prizing protective cover or plastic seal cap
The purpose of dismounting license plate is reached.
The content of the invention
The utility model is regarding to the issue above, there is provided one kind has multiple tracks safeguard procedures, and is difficult to the automobile dismantled
The fastener draw bail of licence plate Anti-dismantling.
What the purpose of this utility model was realized in：
A kind of fastener draw bail of license plate Anti-dismantling, including attaching nut and the bolt that is threadedly coupled with it,
The lower end of the bolt forms blind hole, and the bottom of the attaching nut is threaded with screw, screw it is upper
End is shaped to cone, and the conical surface one of cone is stretched into the blind hole of bolt and mutually held out against with the end face of blind hole.
In the fastener draw bail of above-mentioned license plate Anti-dismantling, the blind hole is counter sink, and counter sink
Openend inner face also have more toward the conical surface two that end side diameter is bigger.
In the fastener draw bail of above-mentioned license plate Anti-dismantling, the bolt is one-way bolt.
In the fastener draw bail of above-mentioned license plate Anti-dismantling, the bolt head outer end is provided with preceding protection
Lid, the bolt head periphery forms annular groove one, and the preceding protective cover inner circumferential is formed and the corresponding annular of annular groove one
Radial expansion buckle is provided with the annular groove one and annular groove two of groove two, the bolt head and the mutual cooperation of preceding protective cover
One.
In the fastener draw bail of above-mentioned license plate Anti-dismantling, the material of described preceding protective cover is
06Cr19Ni10 stainless steels.
In the fastener draw bail of above-mentioned license plate Anti-dismantling, the outer end of the attaching nut is provided with rear defence
Protecting cover, the attaching nut periphery forms annular groove three, and the rear defence protecting cover inner circumferential is formed and the corresponding ring of annular groove three
Radial expansion buckle is provided with the annular groove three and annular groove four of shape groove four, the attaching nut and the mutual cooperation of rear defence protecting cover
Two.
In the fastener draw bail of above-mentioned license plate Anti-dismantling, the attaching nut is hex nut, connection
The external diameter of nut bottom is gradually tapered up from top to bottom, and the inside of the rear defence protecting cover is shaped to be buckled with attaching nut periphery matches somebody with somebody
Close.
In the fastener draw bail of above-mentioned license plate Anti-dismantling, the material of the rear defence protecting cover is
06Cr19Ni10 stainless steels.
In the fastener draw bail of above-mentioned license plate Anti-dismantling, it is provided between the attaching nut and bolt
Pad.
The utility model is prominent and beneficial compared to existing technology to be had the technical effect that：
1. by attaching nut and bolt come fixed car licence plate, it fixes vapour to the utility model in attaching nut and bolt
Reversely be screwed into screw from the bottom of attaching nut on the basis of license plate, make from forward direction be screwed into attaching nut bolt and from
Reversely be screwed into attaching nut screw two end faces abut against reach locking retaining purpose, and bolt have it is blind
Pore structure can be stretched into for the conical structure of screw, make bolt and screw lock more efficient stabilization, it is to avoid by
In vibration or other can not resist the factor to cause the connection of bolt and attaching nut to loosen, improve license plate non-disconnectable
The possibility unloaded.
2. bolt of the present utility model is one-way bolt, and one-way bolt possesses forward direction can screw in attaching nut, reversely beat
The characteristics of sliding retaining, meet when license plate is installed on this structure, it is impossible to which what bolt nut structure was dismantled will
Ask.
3. the outer end of bolt of the present utility model and attaching nut is provided with protective cover, and protective cover can be to attaching nut
Protected with bolt connection, prevent from deliberating violence damage of the thief to the two parts.
Brief description of the drawings
Fig. 1 is the fastener draw bail sectional view of license plate Anti-dismantling.
Fig. 2 is the sectional view of attaching nut.
Fig. 3 is the sectional view of bolt.
The sectional view of Fig. 4 screws.
1- attaching nut, 1a- annular grooves three, the 1b- conical surfaces three, 1c- annular flanges, 2- bolts, 2a- blind holes, the 2b- conical surfaces
Two, 2c- annular groove one, 2d- forward directions butting section, 2e- reversely skidding portion, 3- screws, 3a- cones, the 3b- conical surfaces one, 3c-
Interior hexagonal screwing socket part, protective cover before 4-, 4a- annular grooves two, 5- radial expansions buckle one, 6- rear defence protecting covers, 6a- annular grooves four,
7- radial expansions buckle two, 8- pads.
Specific embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings,
As Figure 1-4, a kind of fastener draw bail of license plate Anti-dismantling, including attaching nut 1 and with its spiral shell
The bolt 2 of line connection, the lower end of the bolt 2 forms blind hole 2a, and the bottom of the attaching nut 1 is threaded with tightening
Screw 3, the upper end of screw 3 is shaped to cone 3a, and the 3b of the conical surface one of cone 3a is stretched into the blind hole 2a of bolt 2 simultaneously
End face with blind hole 2a mutually holds out against.After bolt 2 and attaching nut 1 mutually tighten, license plate is just fixed on the two
Between parts, screw 3 is screwed into by the lower end of attaching nut 1, screw 3 is mutually supported with the end face of bolt 2
Connect, form the situation of mutually locking, reach the effect that retaining is locked to bolt 2；The blind hole 2a of the bottom of bolt 2 shaping simultaneously is available for
The cone 3a parts of screw 3 are stretched into, and the contact for making bolt 2 be formed with screw 3 is only astragal contact, Ke Yiyou
Effect improves resistance between the two, forms locked state.
As shown in figure 3, in the fastener draw bail of above-mentioned license plate Anti-dismantling, the blind hole 2a is countersunk head
Hole, and counter sink openend inner face also have more toward the 2b of the conical surface two that end side diameter is bigger.The design phase of the 2b of the conical surface two
The significantly more efficient 3b of the conical surface one with screw 3 that is designed to compared with vertical plane forms linear contact lay locking state.
As shown in figure 3, in the fastener draw bail of above-mentioned license plate Anti-dismantling, the bolt 2 is unidirectional spiral shell
Bolt.One-way bolt has forward direction butting section 2d and reverse skidding portion 2e, and the instrument for tightening one-way bolt is positive only at it
During work could with the positive butting section 2d on one-way bolt formed against, have two points of applying power, when its reverse operation,
Due to the presence of reverse skidding portion 2e, instrument cannot be formed against necessarily with regard to the point in the absence of applying power, so with one-way bolt
One-way bolt just meets only installs non-removable requirement.
As shown in figure 1, in the fastener draw bail of above-mentioned license plate Anti-dismantling, the head outer end of the bolt 2
Preceding protective cover 4 is provided with, the head periphery of the bolt 2 forms the 2c of annular groove one, and the inner circumferential of preceding protective cover 4 is formed and ring
The 2c of annular groove one and annular groove that the corresponding 4a of annular groove two of the 2c of shape groove one, the head of the bolt 2 and preceding protective cover 4 cooperate
Radial expansion buckle 1 is provided with two 4a, the material of described preceding protective cover 4 is 06Cr19Ni10 stainless steels.Preceding protective cover 4
The characteristics of with Anti-dismantling with anti-twisting off, it passes through to be designed at the 2c of annular groove one, the 4a of annular groove two and radial expansion buckle 1
Preceding protective cover 4 is set closely to be fastened on the head of bolt 2, and its material is that 06Cr19Ni10 stainless steels have structure higher strong
Degree, it is impossible to destroyed to it by violent meanses in a short time, thus can effectively to main for fixed car licence plate
A few parts of structure carry out thorough protection.
As shown in figure 1, in the fastener draw bail of above-mentioned license plate Anti-dismantling, the attaching nut's 1 is outer
End is provided with rear defence protecting cover 6, and the periphery of the attaching nut 1 forms the 1a of annular groove three, the inner circumferential of rear defence protecting cover 6 form with
The 1a of annular groove three and annular that the corresponding 6a of annular groove four of the 1a of annular groove three, the attaching nut 1 and rear defence protecting cover 6 cooperate
Radial expansion buckle 27 is provided with the 6a of groove four, the material of the rear defence protecting cover 6 is 06Cr19Ni10 stainless steels.Rear defence protecting cover 6
The characteristics of with Anti-dismantling with anti-twisting off, it passes through to be designed at the 1a of annular groove three, the 6a of annular groove four and radial expansion buckle 273
Rear defence protecting cover 6 is set closely to be fastened on the bar portion of bolt 2, and its material is that 06Cr19Ni10 stainless steels have structure higher strong
Degree, it is impossible to destroyed to it by violent meanses in a short time, thus can effectively to main for fixed car licence plate
A few parts of structure carry out thorough protection.
As shown in Fig. 2 in the fastener draw bail of above-mentioned license plate Anti-dismantling, the attaching nut 1 is six
Angle nut, the external diameter of the bottom of attaching nut 1 is gradually tapered up from top to bottom, and the inside of the rear defence protecting cover 6 is shaped to and is connected
The periphery of nut 1 buckles cooperation.The 1b of the conical surface three of attaching nut 1 is conducive to rear defence protecting cover 6 to be inserted in from below, is easy to each parts
Between installation.And also there is attaching nut 1 an annular flange 1c, annular flange 1c increased attaching nut 1 and automobile board
Rest surface according between, enable the license plate Anti-dismantling fastener draw bail be applicable it is more with different installation apertures
License plate.
As shown in figure 1, in the fastener draw bail of above-mentioned license plate Anti-dismantling, the attaching nut 1 and spiral shell
Pad 8 is provided between bolt 2.Pad 8 can improve stability when license plate is fixed, and pad 8 makes the peace by deformation
Assembling structure has a larger regulation space.
Operation principle of the present utility model：Pad 8 is located on one-way bolt 2 by license plate mounting hole first, and
By automobile plate washer preformed hole, license plate is fixed between one-way bolt and attaching nut 1, one-way bolt loads attaching nut
After 1, interior hexagonal screw 3 reversely loads the locking retaining formed in attaching nut to one-way bolt, by preceding protective cover 4 along list
Load to bolt taper, radial expansion buckle 1 is expanded, when the 2c of the annular groove one and 4a of annular groove two is docked, radial expansion card
Detain 1 to snap in the 2c of annular groove one of one-way bolt, complete installation to preceding protective cover 4, then by rear protecting cover rim nut outer six
Pyramid degree loads, and in the 1a of annular groove three of the expansion Snap joint of radial expansion buckle 27 nut 1, completes the peace to rear defence protecting cover 7
Dress.
Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (9)
1. a kind of fastener draw bail of license plate Anti-dismantling, it is characterised in that including attaching nut (1) and with its screw thread
The bolt (2) of connection, the lower end of the bolt (2) forms blind hole (2a), the bottom threaded connection of the attaching nut (1)
The upper end for having screw (3), screw (3) is shaped to cone (3a), and the conical surface one (3b) of cone (3a) is stretched into
Held out against in the blind hole (2a) of bolt (2) and mutually with the end face of blind hole (2a).
2. the fastener draw bail of license plate Anti-dismantling according to claim 1, it is characterised in that the blind hole
(2a) be counter sink, and counter sink openend inner face also have more toward the conical surface two (2b) that end side diameter is bigger.
3. the fastener draw bail of license plate Anti-dismantling according to claim 1, it is characterised in that the bolt
(2) it is one-way bolt.
4. the fastener draw bail of the license plate Anti-dismantling according to claim 1 or 2 or 3, it is characterised in that described
Bolt (2) head outer end is provided with preceding protective cover (4), and bolt (2) the head periphery forms annular groove one (2c), it is described before
Protective cover (4) inner circumferential forms annular groove two (4a) corresponding with annular groove one (2c), bolt (2) head and preceding protective cover
(4) radial expansion buckle one (5) is provided with the annular groove one (2c) and annular groove two (4a) for cooperating.
5. the fastener draw bail of license plate Anti-dismantling according to claim 4, it is characterised in that described is preceding anti-
The material of protecting cover (4) is 06Cr19Ni10 stainless steels.
6. the license plate Anti-dismantling fastener draw bail according to claim 1 or 2 or 3, it is characterised in that the company
The outer end of connected nut (1) is provided with rear defence protecting cover (6), and attaching nut (1) periphery forms annular groove three (1a), it is described after
Protective cover (6) inner circumferential forms annular groove four (6a) corresponding with annular groove three (1a), the attaching nut (1) and rear defence protecting cover
(6) radial expansion buckle two (7) is provided with the annular groove three (1a) and annular groove four (6a) for cooperating.
7. license plate Anti-dismantling fastener draw bail according to claim 6, it is characterised in that the attaching nut
(1) be hex nut, the external diameter of attaching nut (1) bottom is gradually tapered up from top to bottom, the inside of the rear defence protecting cover (6) into
Type is to buckle cooperation with attaching nut (1) periphery.
8. license plate Anti-dismantling fastener attachment structure according to claim 6, it is characterised in that the rear defence protecting cover
(6) material is 06Cr19Ni10 stainless steels.
9. license plate Anti-dismantling fastener draw bail according to claim 1, it is characterised in that the attaching nut
(1) pad (8) is provided with and bolt (2) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621336644.9U CN206257151U (en) | 2016-12-07 | 2016-12-07 | A kind of fastener draw bail of license plate Anti-dismantling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621336644.9U CN206257151U (en) | 2016-12-07 | 2016-12-07 | A kind of fastener draw bail of license plate Anti-dismantling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257151U true CN206257151U (en) | 2017-06-16 |
Family
ID=59029381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621336644.9U Expired - Fee Related CN206257151U (en) | 2016-12-07 | 2016-12-07 | A kind of fastener draw bail of license plate Anti-dismantling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257151U (en) |
-
2016
- 2016-12-07 CN CN201621336644.9U patent/CN206257151U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170616 Termination date: 20181207 |