CN201096133Y - Counter bore broken shaft decorative type anti-theft bolt - Google Patents
Counter bore broken shaft decorative type anti-theft bolt Download PDFInfo
- Publication number
- CN201096133Y CN201096133Y CNU2007200781105U CN200720078110U CN201096133Y CN 201096133 Y CN201096133 Y CN 201096133Y CN U2007200781105 U CNU2007200781105 U CN U2007200781105U CN 200720078110 U CN200720078110 U CN 200720078110U CN 201096133 Y CN201096133 Y CN 201096133Y
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- China
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- counterbore
- broken shaft
- easy
- countersink
- counter bore
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Abstract
The utility model relates to a hardware part for public facilities, in particular to a counter bore broken-shaft decoration shape theftproof bolt used for vehicle number plate installation. The theftproof bolt is formed by that a cap end of a special-shaped bolt is provided with a disassembly proof appearance end face, and a decorative counter bore is prearranged on the end face which is in positioning connection with an auxiliary screw cap which is composed of an easy broken shaft or an easy broken groove. The easy broken shaft which is hided in the counter bore is tightened by a common wrench, and force is forced to make the easy broken shaft fractured. The score break is snow stored in the counter bore. The counter bore broken-shaft decoration shape theftproof bolt has the advantages of various beautiful and practical disassembly proof surface modeling, corrosion proof effect, simple structure, low cost, convenient use, disassembly proofing, theft protection, simplicity and actual effect.
Description
Affiliated technical field:
The utility model relates to a kind of communal facility, and the five metals component connect the anti-dismounting, antitheft attractive in appearance fixing of number plate of vehicle particularly.
Technical background:
Communal facility and some component need disposable connection, and do not allow careless dismounting, particularly the lifelong tenure of vehicle and number plate.Standard bolt connects admittedly artificially to be backed out with general tool easily, causes damage.
For addressing this problem, the practice has usually: spot welding after the bolton; Use is taken out heart aluminum rivet and is connected, but intensity is restricted.Number plate of vehicle then fixes with antitheft aluminium lid, be easier to pry open, in addition, inventor's patent " a kind of anti-dismounting anti-theft bolt " patent No. in early stage: 022764518 utilizes bottle neck axis to twist off principle, can deal with problems to a certain extent, but because after the bottle neck axis fracture, mark of break is coarse, and easily get rusty, influence attractive in appearance.For some high-grade fixed demand mode of number plate of vehicle and communal facility, just show uncomfortable.Though the mark of break of can polishing or dispose ornamental housing in addition always has inconvenience, also easily artificial sled takes off decorative cover.
Summary of the invention:
Task of the present utility model is to provide a kind of simple in structure, improved hole countersunk broken shaft ornamental shape anti-theft bolt.Also taken into account decorative effect and reduced corrosion when it can effectively prevent the general tool dismounting.
The purpose of this utility model is achieved in that its off-axis position is not arranged on the surface of tamper nut but in the mode of counterbore, the point of rupture of installation " is concealed " within counterbore.Its formation comprises anti-dismounting special shaped screw bolt, auxiliary nut, it is characterized in that: the cap end of special shaped screw bolt be provided with anti-demolition the profile end and, and default one decorate counterbore, the auxiliary nut that the bottom, hole of counterbore is located by connecting and is made up of easy off-axis at the end face center.The utility model is spherical because only need form semicircle at the cap end of bolt, the round body shape of flat-top countersunk head shape or tapering, streamlined multidiameter shaft shape, semicircle concavity, convex all can anti-dismounting external surface.And at end and center punching press counterbore simultaneously adopts the mode that is located by connecting to connect auxiliary admittedly nut, so it is processing is simple, easy to use.After only needing counterbore decorated anti-theft bolt and be screwed to the position, continue afterburning easy off-axis or the easily fault trough fracture that causes in the counterbore, break away from once, finish even if install with auxiliary nut with general tool.On the surface structure of instrument after install, general tool does not have the Point of Strength of dismounting, has at first just defeated the idea and the chance of beating " askew idea " person, has no way of doing it, and avoids stolen.
The beneficial effects of the utility model are: practical, attractive in appearance, need not to establish in addition trim, simple in structure, reduce cost, and easy for installation; Avoid the tightening torque that varies with each individual, improved installation quality; Because mark of break is " Tibetan " in the counterbore bottom, reduced corrosion, also do not influence the attractive in appearance of streamline profile, more show firm, reliable.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is special shaped screw bolt and the schematic representation that easily adopts spot welding to be connected between the off-axis.
Fig. 2 is the front elevational schematic that stays after Fig. 1 installs.
Fig. 3 is that abnormity nut adopts the mode schematic representation that is spirally connected with easy fault trough screw rod.
Fig. 4 is the combination connecting mode schematic representation that presses of counterbore garnish bolt.
Fig. 5 decorates tamper to cover on the generalized section that is embedded unidirectional anti-dismounting lid in the counterbore.
Number among the figure: 1-special shaped screw bolt, the auxiliary nut of 2-, 3-counterbore, the easy off-axis of 4-, 5-abnormity nut, 6-female threaded hole, 7-screw rod, the easy fault trough of 8-, 9-point welding position, 10-extruding position, 11-decorate tamper cover, the unidirectional anti-dismounting dome of 12-, 13-retaining inner groove.
Embodiment:
See also Fig. 1, Fig. 2 and, describe details and working condition in detail in conjunction with concrete structure.This countersink broken shaft ornamental tamper bolt is made up of the auxiliary nut (2) of special shaped screw bolt (1).Being characterised in that diametric plane and the end face of the cap end profile of special shaped screw bolt (1) for anti-dismounting, specifically, is a similar semicircle convex or cone-shaped, the multidiameter shaft shape, and flat-top countersunk head shape, fusiform nut all can.And at the bottom of easy off-axis (4) patchhole of counterbore (3) for auxiliary nut (2) institute disjunctor decorated in one of above-mentioned end face center processing, referring among Fig. 1 along the sensing of arrow, adopt the mode moulding one of spot welding standby at a welding position (9).Still can process the linking section of similar spline-like at the easy preceding segment of off-axis (4), its length is similar to the diameter dimension of easy off-axis (4).And the degree of depth of about 1/2 counterbore of the end section of corresponding counterbore (3) (3) also need be provided with the little keyway that punching press is complementary, and adopts to be pressed into ways of connecting, and special shaped screw bolt (1) and auxiliary nut (2) are solidified as a whole.Need to illustrate that the length of easy off-axis (4) should be greater than the degree of depth of counterbore (3).Be screwed into shaping integrated counterbore anti-theft bolt during assembling.Again with the auxiliary nut (2) of general utility tool twisting, tight twist errorless after, continue reinforcing to making torsion, stress concentrate on the some welding position (9) of " Tibetan " easy off-axis (4) relative intensity weakness within counterbore (3) or the root of spline, make its fracture back break away from successful installation.The size of setting moment of torsion is directly proportional with the diameter of easy off-axis (4).So unified easily installation quality.
See also Fig. 3, present embodiment is identical with preceding embodiment's basic principle, this profile of abnormity nut (5) that the cap end of different is special shaped screw bolt (1) can also be set to breakthrough form also can be the anti-relief surface of cone, therein the heart counterbore (3) of about 1/2 degree of depth is set and connect with one heart the other end aperture be slightly less than screw rod (7) that the female threaded hole (6) of counterbore (3) matches at its light beam bar position by thread section processing one easy fault trough (8) radially is set, its shape is the tiltedly concave ring groove of " V " shape.Abnormity nut in the present embodiment (5), and between the auxiliary nut (2), adopt the mode that is spirally connected to connect, seeing also the indicated direction of arrow among Fig. 3, the screw rod (7) that will be provided with easy fault trough (8) screws in abnormity nut (5) and is connected to whole standby by maintenance.Using method is identical with previous embodiment.
See also Fig. 4, present embodiment and embodiment 1,2 are basic identical, and different is to decorate tamper cover (11) to replace abnormity nut (5) or special shaped screw bolt (1), when half-formed, promptly penetrates screw rod (7).Need the screw rod (7) in the explanation present embodiment, comprise that easy off-axis (4) and auxiliary nut (2) are an one-piece element, through extruding position (10) typing that tamper cover (11) is decorated in roll extrusion, like easy off-axis (4) is wrapped up, rivet clasp is in decorating within the tamper cover (11).Therefore, still can adopt injection moulding, comprise use macromolecular material moulding, modes such as cast aluminium to constitute to decorate tamper cover (11) standby.In use, even if damaged or exempt being provided with and decorate tamper cover (11), and the anti-theft feature of screw rod (7) is effective equally.
Different is to decorate tamper cover (11) to remove the multiple external surface that anti-dismounting can be set for present embodiment and previous embodiment, it is characterized in that: its aperture of its counterbore (3) is more than or equal to the cap round end of common screw (7) or the diameter of countersunk head cap, see also shown in Figure 5, common screw (7) is penetrated counterbore (3) when using, screw installation and set firmly with changing cutter.Utilize easily advancing of being provided with separately at last, the unidirectional anti-dismounting dome (12) that difficulty withdraws from, embedding is pressed in the hole of counterbore (3), is the drive fit shape, reaches antitheft decorative orientation equally.Still can in counterbore (3), be provided with and further cooperation of retaining inner groove (13) set firmly unidirectional anti-dismounting dome (12).Decoration tamper cover (11) illustrated in Figure 5 can also be the structural element of real abdomen type, keeps counterbore (3) simultaneously.
Countersink broken shaft ornamental anti-theft bolt of the present utility model sees also shown in Figure 2ly, and after maintenance is installed, all can stay counterbore (3) is installed at nut cap end, the similar riveting pulling eye of taking out heart aluminum rivet, but this counterbore is decorated the anti-theft bolt constant intensity and will be doubled.Decorate and rust-proof effect for further increasing, filling jewelry in counterbore (3) " hides coarse point of rupture ".Such as interspersing the ornaments that exquisite small tenon is known lid or embedded little color pearl and so on, add a crucial touch.Still can adopt and set firmly unidirectional anti-dismounting dome (12) and reach the double anti-theft effect.
It is to be noted: above-mentioned example only is a preferred embodiment of the present utility model.Because the those of ordinary skill to constructed field is to be easy to carry out on this basis some modifications and improved.Therefore, shown in this specification is not really wanted the utility model is confined to and in described concrete structure and the Applicable scope, so every the corresponding modify and equivalent that might be utilized all belongs to the claim that the utility model is applied for.
Claims (7)
1. countersink broken shaft ornamental anti-theft bolt, comprise anti-dismounting special shaped screw bolt (1), auxiliary nut (2), it is characterized in that: the cap end of special shaped screw bolt (1) is provided with the profile end face of anti-dismounting, and in end face, default one decorate counterbore (3), the auxiliary nut (2) that the bottom, hole of counterbore (3) is located by connecting and is made up of easy off-axis (4) in the heart.
2. countersink broken shaft ornamental anti-theft bolt according to claim 1 is characterized in that: it is spherical that the profile end face of described anti-dismounting can be semicircle, flat-top countersunk head shape, the round body shape of tapering, multidiameter shaft shape and semicircle concavity; The cap end of described special shaped screw bolt (1), also can be set to through abnormity nut (5), the heart is provided with the counterbore (3) of about 1/2 degree of depth and connects with one heart the other end aperture and is slightly less than the screw rod (7) that the female threaded hole (6) in counterbore (3) aperture matches and radially is provided with easy fault trough (8) at its polished rod position by thread section therein.
3. countersink broken shaft ornamental anti-theft bolt according to claim 2 is characterized in that: described easy fault trough (8) is at the concave ring groove that radially is oblique " V " shape of screw rod (7).
4. countersink broken shaft ornamental anti-theft bolt according to claim 1, it is characterized in that: described special shaped screw bolt (1), also can be set to decorate the one-piece element of tamper cover (11), these parts comprise screw rod (7) and easy off-axis (4) and auxiliary nut (2).
5. countersink broken shaft ornamental anti-theft bolt according to claim 4 is characterized in that: the decorated anti-folding cover of described easy off-axis (4) (11) is wrapped in the position at middle part.
6. countersink broken shaft ornamental anti-theft bolt according to claim 4 is characterized in that: its aperture of counterbore (3) of described decoration tamper cover (11) is more than or equal to the diameter of the cap round end of common screw (7), and in counterbore (3) the unidirectional anti-dismounting dome of build-in (12), be the drive fit setting.
7. according to claim 1 or 2 or 4 described countersink broken shaft ornamental anti-theft bolts, it is characterized in that: after decorating anti-theft bolt maintenance being installed, the counterbore that stays (3), but filling jewelry in its hole can embed the ornaments of little color pearl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200781105U CN201096133Y (en) | 2007-01-05 | 2007-01-05 | Counter bore broken shaft decorative type anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200781105U CN201096133Y (en) | 2007-01-05 | 2007-01-05 | Counter bore broken shaft decorative type anti-theft bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201096133Y true CN201096133Y (en) | 2008-08-06 |
Family
ID=39923186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200781105U Expired - Fee Related CN201096133Y (en) | 2007-01-05 | 2007-01-05 | Counter bore broken shaft decorative type anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201096133Y (en) |
-
2007
- 2007-01-05 CN CNU2007200781105U patent/CN201096133Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20110105 |