CN205298223U - Magnetic anti-theft nut and special spanner - Google Patents
Magnetic anti-theft nut and special spanner Download PDFInfo
- Publication number
- CN205298223U CN205298223U CN201521101672.8U CN201521101672U CN205298223U CN 205298223 U CN205298223 U CN 205298223U CN 201521101672 U CN201521101672 U CN 201521101672U CN 205298223 U CN205298223 U CN 205298223U
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- radially
- nut
- magnetic
- cap
- type anti
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- 230000001681 protective effect Effects 0.000 claims abstract description 49
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
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- Burglar Alarm Systems (AREA)
Abstract
The utility model provides a magnetic force formula theftproof nut and special spanner, magnetic force formula theftproof nut is including a nut main part and a nut protective sheath main part, the nut main part can place in nut protective sheath main part through a joint structure rotation, its lower terminal surface is equipped with a plurality of upper radial spacing grooves along circumference spaced, the lateral surface of nut protective sheath main part is regular polygon, its lower port department is formed with a collar along radial protrusion, the collar is adjacent to the lower terminal surface of nut main part, its upper end surface is equipped with a plurality of lower radial spacing grooves along circumference spaced, inlay in the lower radial spacing groove and be equipped with a radial spacing slider that magnetic metal material made, each lower radial spacing groove can be relative with each upper radial spacing groove, the bottom of radial spacing slider is connected with an elasticity stop device that fixes on the collar; the special spanner is used for the magnetic anti-theft screw cap. The utility model discloses a magnetic force formula theftproof nut and special spanner has the theftproof function, can reduce the stolen rate of spare part, has overcome prior art's defect.
Description
Technical field
The utility model belongs to anti-theft screw cap technical field, in particular to a kind of magnetic-type anti-theft screw cap and specialSpanner.
Background technology
In oil exploitation, the oil well in oil field has a great deal of remoter and meagrely-populated place that is positioned at, for thisThe oil well site of sample, can not accomplish has people to guard in 24 hours, for dismountable facility at scene, little of valveHandwheel, greatly to balance weight, motor etc. in oil production machine, time have robbery accident to occur. This type of event, not only causesThe loss that stolen object itself is worth, the more serious oil field that affects normally produces, and brings massive losses to country.
In addition, automobile becomes Chinese city common people's one way of life necessity gradually now, but automobile tire belongs toIn unprotect state, be easy to dismounting, leave opportunity to lawless person, often there is stolen the showing of automobile tireResemble.
In view of this, the design people, according to the Production design experience of being engaged in for many years this area and association area, develops onePlant magnetic-type anti-theft screw cap and special spanner, the problem existing to solving prior art.
Utility model content
The purpose of this utility model is to be to provide a kind of magnetic-type anti-theft screw cap and special spanner, has anti-theft feature,Can reduce the stolen rate of parts, overcome the defect of prior art.
For this reason, the utility model proposes a kind of magnetic-type anti-theft screw cap, it includes a nut body and nut protectionCover main body, what described nut body can be rotated by an interface arrangment is positioned in described cap nut protective sleeve main body, under itEnd face along circumferentially spaced be provided with multiple on stopper slot radially, the lateral surface of described cap nut protective sleeve main body is for just polygonShape, its lower port place radially protrudes out and is formed with a ring shoulder, and described ring is takeed on the lower surface adjacent to described nut body,Its upper surface along circumferentially spaced be provided with multiple under stopper slot radially, be radially embedded with one in stopper slot under described and be magneticThe radially position limiting slide block that metal material is made, it is each that radially stopper slot can be with each radially stopper slot be relative on described under described,The elastic limit device that the bottom of described radially position limiting slide block and is fixed on described ring shoulder is connected.
Magnetic-type anti-theft screw cap as above, wherein, described interface arrangment includes multiple axial limiting pawls and manyIndividual axial limiting step, each described axial limiting pawl along circumferentially extend and interval be arranged at described nut body lower endOuter peripheral edges place, each described axial limiting step is along the circumferentially spaced medial surface that is arranged at described cap nut protective sleeve main bodyUpper, described axial limiting step is adjacent to the upper surface of described ring shoulder, and being formed with one between the two can be accommodating described axialThe conduit of position-limited claw, is formed with axial that the described axial limiting pawl of a confession passes through between each adjacent described axial limiting stepOpening, the quantity of described axially open is identical with the quantity of described axial limiting pawl, and described axial limiting pawl can be corresponding logicalCrossing described axially open embeds in described conduit.
Magnetic-type anti-theft screw cap as above, wherein, the outer peripheral edges of described nut body lower end are further arranged with formationThere is a ring portion, between the upside of described ring portion and the lateral surface of described nut body, be formed with a shoulder, each described axialPosition-limited claw is arranged in described ring portion along circumferentially spaced.
Magnetic-type anti-theft screw cap as above, wherein, the distance between described axial limiting pawl and described shoulder is not littleIn described axial limiting step, at described cap nut protective sleeve body shaft width upwards, described axial limiting pawl is along described spiral shellCap main body length is radially identical along described cap nut protective sleeve main body length radially with described axial limiting step, noBe greater than the degree of depth of described ring portion.
Magnetic-type anti-theft screw cap as above, wherein, the lateral surface of described nut body can with described cap nut protective sleeveThe medial surface of main body contacts.
Magnetic-type anti-theft screw cap as above, wherein, the quantity of described axial limiting pawl and described axial limiting stepAll be no less than 3, and circumferentially uniform along described nut body and described cap nut protective sleeve main body respectively.
Magnetic-type anti-theft screw cap as above, wherein, described on radially stopper slot and under radially stopper slot quantity notBe less than 3, described nut body and described ring shoulder is circumferentially uniform respectively.
Magnetic-type anti-theft screw cap as above, wherein, described elastic limit device include one radially limited screw withAnd a limit spring radially, described in described limit spring is sheathed on radially on the screw rod of limited screw, described under limit radiallyThe bottom land place of position groove is provided with a through hole, and the bottom of described radially position limiting slide block is provided with screw channel, described radially limited screw energyMobile be arranged in described through hole, and be connected with the screw channel of described radially position limiting slide block, described radially limit springThe lower surface that corresponding and described ring is takeed on, two ends and the nut of described radially limited screw contact.
Magnetic-type anti-theft screw cap as above, wherein, the lower surface of described ring shoulder is in the position corresponding to described through holeBe concaved with a circular groove, described circular groove is coaxial setting with described through hole, and the nut of described radially limited screw is placed in instituteState in circular groove.
The utility model also proposes a kind of special spanner for above-mentioned magnetic-type anti-theft screw cap, its be provided with one handle andBe connected in the cap bag of described handle one end, the medial surface of described cap bag is formed with the lateral surface phase with described cap nut protective sleeveThe regular polygon of coupling, its upper port place is provided with one annular strong magnet, when described cap bag is sheathed on described nut protectionWhile overlapping the outside of main body, described annular strong magnet can be adjacent with the upper surface of described nut body, and can adsorb described footpathMove up to position limiting slide block.
Magnetic-type anti-theft screw cap and the special spanner that the utility model proposes, be provided with nut body and cap nut protective sleeve masterBody, by rotating relatively freely between nut body and cap nut protective sleeve main body, makes the nut body cannot be tight from treatingOn firmware, dismantle; In the time carrying out operation, need to coordinate special spanner to use, be set in institute by the cap bag of special spannerState in cap nut protective sleeve main body and rotate, to utilize magnetic force to move to radially stopper slot on the upper end of position limiting slide block radiallyIn, nut body and cap nut protective sleeve main body are rotated together, thereby tighten or field-strip, thus, this realityThere is anti-theft feature with novel, can stop the object robbery accidents such as petroleum well field handwheel, balance weight, motor and occur, fallThe stolen incidence of low vehicle tyre.
Brief description of the drawings
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit model of the present utility modelEnclose. Wherein:
Fig. 1 is the perspective exploded view of magnetic-type anti-theft screw cap of the present utility model.
Fig. 2 a is the stereogram of nut body in magnetic-type anti-theft screw cap of the present utility model.
Fig. 2 b is the upward view of nut body in magnetic-type anti-theft screw cap of the present utility model.
Fig. 2 c is the side view of nut body in magnetic-type anti-theft screw cap of the present utility model.
Fig. 3 a is the stereogram of cap nut protective sleeve main body in magnetic-type anti-theft screw cap of the present utility model.
Fig. 3 b is the top view of cap nut protective sleeve main body in magnetic-type anti-theft screw cap of the present utility model.
Fig. 3 c is the upward view of cap nut protective sleeve main body in magnetic-type anti-theft screw cap of the present utility model.
Fig. 4 a is the stereogram of position limiting slide block radially in magnetic-type anti-theft screw cap of the present utility model.
Fig. 4 b is the upward view of position limiting slide block radially in magnetic-type anti-theft screw cap of the present utility model.
Fig. 4 c is the top view of position limiting slide block radially in magnetic-type anti-theft screw cap of the present utility model.
Fig. 5 is the structural representation of magnetic-type anti-theft screw cap Elastic stopping means of the present utility model.
Fig. 6 a is the stereogram of special spanner of the present utility model.
Fig. 6 b is the top view of special spanner of the present utility model.
Fig. 6 c is the upward view of special spanner of the present utility model.
Fig. 6 d is the side view of special spanner of the present utility model.
Main element label declaration:
1 nut body 101 ring portions
Stopper slot radially on 102 shoulders 11
12 axial limiting pawl 2 cap nut protective sleeve main bodys
Radially stopper slot of 21 ring shoulders 22 times
221 through hole 222 circular grooves
23 position limiting slide block 231 screw channels radially
Radially limited screw of 24 elastic limit device 241
242 limit spring 25 axial limiting steps radially
26 conduit 27 axially opens
3 special spanner 31 handles
The annular strong magnet of 32 cap bag 33
Detailed description of the invention
Technical characterictic of the present utility model, object and effect are had more clearly and to be understood, below in conjunction with accompanying drawing andGood embodiment, detailed description of the invention to the magnetic-type anti-theft screw cap the utility model proposes and special spanner, structure,Feature and effect, be described in detail as follows.
Fig. 1 is the perspective exploded view of magnetic-type anti-theft screw cap of the present utility model. Fig. 2 a is of the present utility modelThe stereogram of nut body in magnetic-type anti-theft screw cap. Fig. 2 b is nut in magnetic-type anti-theft screw cap of the present utility modelThe upward view of main body. Fig. 2 c is the side view of nut body in magnetic-type anti-theft screw cap of the present utility model. Fig. 3 aFor the stereogram of cap nut protective sleeve main body in magnetic-type anti-theft screw cap of the present utility model. Fig. 3 b is of the present utility modelThe top view of cap nut protective sleeve main body in magnetic-type anti-theft screw cap. Fig. 3 c is magnetic-type anti-theft screw cap of the present utility modelThe upward view of middle cap nut protective sleeve main body. Fig. 4 a is position limiting slide block radially in magnetic-type anti-theft screw cap of the present utility modelStereogram. Fig. 4 b is the upward view of position limiting slide block radially in magnetic-type anti-theft screw cap of the present utility model. Fig. 4 cFor the top view of position limiting slide block radially in magnetic-type anti-theft screw cap of the present utility model. Fig. 5 is magnetic force of the present utility modelThe structural representation of formula anti-theft screw cap Elastic stopping means.
As shown in Fig. 1 to Fig. 2 c, the magnetic-type anti-theft screw cap the utility model proposes, includes a nut body 1And a cap nut protective sleeve main body 2, described nut body 1 preferably adopts magnetic metal material (as iron) to make, and it passes throughWhat one interface arrangment can rotate is positioned in described cap nut protective sleeve main body 2, its lower surface along circumferentially spaced be provided with manyStopper slot 11 radially on individual, the lateral surface of described cap nut protective sleeve main body 2 is regular polygon, its lower port place is along footpathBe formed with a ring shoulder 21, described ring shoulder 21 lower surfaces adjacent to described nut body 1, its edge, upper surface to protruding outCircumferentially spaced be provided with multiple under stopper slot 22 radially, be radially embedded with the metal that is magnetic under described in stopper slot 22The radially position limiting slide block 23 that material (as iron) is made, in the process of rotating in described nut body 1, each described lower footpathCan be with each radially stopper slot 11 be relative on described to stopper slot 22, when described in attraction radially on position limiting slide block 23When row, the upper end of described radially position limiting slide block 23 can correspondingly embed described on radially in stopper slot 11, make described nutMain body 1 and described cap nut protective sleeve main body 2 are together rotated, wherein, and the bottom of described radially position limiting slide block 23 andThe elastic limit device 24 being fixed on described ring shoulder 21 is connected, after magnet is taken away, and described elastic limit device24 can drive radially position limiting slide block 23 to reset, again embed described under radially in stopper slot 22.
Please also refer to Fig. 3 a to Fig. 3 c, described interface arrangment 3 includes multiple axial limiting pawls 12 and multipleAxial limiting step 25, each described axial limiting pawl 12 is along circumferentially spaced described nut body 1 lower end of being arranged atOuter peripheral edges place, each described axial limiting step 25 is along the described cap nut protective sleeve main body that is arranged at circumferential extension intervalOn 2 medial surface, described axial limiting step 2, adjacent to the upper surface of described ring shoulder 21, is formed with between the twoThe conduit 26 of the accommodating described axial limiting pawl 12 of one energy, is formed with one between each adjacent described axial limiting step 25The axially open 27, the quantity of described axially open 27 and the described axial limiting pawl 12 that pass through for described axial limiting pawlQuantity identical, described axial limiting pawl 12 can corresponding embed in described conduit 26 by described axially open 27,So that described nut body 1 is connected in described cap nut protective sleeve main body 2.
Wherein, the outer peripheral edges of described nut body 1 lower end are further arranged with and are formed with a ring portion 101, described ring portion 10Upside and the lateral surface of described nut body 1 between be formed with a shoulder 102, each described axial limiting pawl 12 edgesCircumferentially spaced being arranged in described ring portion 101.
Preferably, the distance between described axial limiting pawl 12 and described shoulder 102 is greater than described axial limiting step25 in described cap nut protective sleeve main body 2 width on axially so that described axial limiting step 25 can be embedded at relativelyThe upside of described axial limiting pawl 12, described axial limiting pawl 12 along described nut body 1 length radially with described inAxial limiting step 25 is identical along described cap nut protective sleeve main body 2 length radially, and is not more than described ring portion 101The degree of depth. Thus, can improve the clamping reliability between described nut body 1 and described cap nut protective sleeve main body 2,The lateral surface of described nut body 1 can be contacted with the medial surface of described cap nut protective sleeve main body 2.
In order to ensure Stability Analysis of Structures, the quantity of preferred described axial limiting pawl 12 and described axial limiting step 25 is not allBe less than 3, and circumferentially uniform along described nut body 1 and described cap nut protective sleeve main body 2 respectively. IllustratedIn structure, preferred described axial limiting pawl 12 and axial limiting step 25 are respectively arranged with 3.
In addition, on described radially stopper slot 11 and under radially the quantity of stopper slot 22 be no less than 3, respectively described spiral shellCap main body 1 and described ring shoulder 21 circumferentially uniform. In illustrated structure, preferably described on radially stopper slot 11,Under radially stopper slot 22 be respectively arranged with 5.
As shown in Fig. 4 a to Fig. 5, described elastic limit device 24 includes radially limited screw 241 and a footpathTo limit spring 242, described in described limit spring 242 is sheathed on radially on the screw rod 2411 of limited screw 241,Under described, radially the bottom land place of stopper slot 22 is provided with a through hole 221, and the bottom of described radially position limiting slide block 23 is provided with spiral shellGroove 231, described radially limited screw 241 is mobile is arranged in described through hole 221, and with described radially spacing cunningThe screw channel 231 of piece 23 is connected, and the two ends of described radially limit spring 242 are the lower end of corresponding and described ring shoulder 21The nut 2412 of face and described radially limited screw 241 contacts.
Further, the lower surface of described ring shoulder 21 is being concaved with a circular groove corresponding to the position of described through hole 221222, described circular groove 222 is coaxial setting with described through hole 221, the nut 2412 of described radially limited screw 241Be placed in described circular groove 222.
The magnetic-type anti-theft screw cap the utility model proposes, in the time that reality is used, is by described radially limit spring 242Described in being through radially on the screw rod 2411 of limited screw 241, then by the limited screw being equipped with 241 from described spiral shellThe below of cap protective sleeve main body 2 packs in the through hole 221 of described ring shoulder 21, then by described radially position limiting slide block 23Pack into described under radially in stopper slot 22, and by described radially limited screw 241 precession screw channels 231, class successivelyPush away, by described in each radially position limiting slide block 23 install one by one; Treat that all described radially position limiting slide blocks 23 installAfter, each axial limiting pawl 12 of described nut body 1 is imbedded to each axially open 27 of cap nut protective sleeve main body 2,Again described nut body 1 is reversed to an orientation, make each described axial limiting pawl 12 rotations to each conduit 26, andThe position of 25 correspondences of each described axial limiting step between each described axial limiting pawl 12 and described shoulder 102Put, thus, magnetic-type anti-theft screw cap of the present utility model installs.
Fig. 6 a is the stereogram of special spanner of the present utility model. Fig. 6 b is overlooking of special spanner of the present utility modelFigure. Fig. 6 c is the upward view of special spanner of the present utility model. Fig. 6 d is the side-looking of special spanner of the present utility modelFigure.
Please also refer to Fig. 6 a to Fig. 6 d, the utility model proposes and also propose a kind of special spanner 4, it is for above-mentionedMagnetic-type anti-theft screw cap hand, this special spanner 3 is provided with one handle 31 and is connected in the cap bag of described handle 31 one end32, the medial surface of described cap bag 32 is formed with the regular polygon matching with the lateral surface of described cap nut protective sleeve 2,Its upper port place is provided with an annular strong magnet by clamping, the mode such as be spirally connected, and (strong magnet is the strong magnetic of rare earth, namely refers toNeodymium iron boron strong magnet) 33, in the time that described cap bag 32 is sheathed on the outside of described cap nut protective sleeve main body 2, described annularStrong magnet 33 can be adjacent with the upper surface of described nut body 1, and described in adsorbing radially position limiting slide block 23 upwards moveMoving.
Magnetic-type anti-theft screw cap and the special spanner that the utility model proposes, in the time of concrete application, described magnetic-type is anti-Steal the nut body 1 of nut be positioned over corresponding to be tightened as on screw rod, and by described special spanner 3 cap bags 32Be sheathed on the outside of described cap nut protective sleeve main body 2, under the effect of magnetic force, described radially position limiting slide block 23 meetingsBe adsorbed and be resisted against and the lower surface of described nut body 1, meanwhile, the radially limit of described elastic limit device 24Position screw 241 be stretched, and described in making radially limit spring 242 in compressive state; Gripping handle 31 also rotates,To drive described cap bag 32 and described cap nut protective sleeve main body 2 to rotate with respect to described nut body 1 in the lump, work as instituteState each described under radially stopper slot 22 with each when radially stopper slot 11 is relative on described, described radially position limiting slide block 23Upper end corresponding embed described on radially in stopper slot 11, make described nut body 1 and described cap nut protective sleeve main body2 together rotate, and, under the rotation of described special spanner, described nut body 1 can be tightened in to be tightened and locate;
After operation completes, remove described special spanner 3, magnetic force disappears, and described radially position limiting slide block 23 is radially being limitUnder the elastic force effect of position spring 242, leave the upper radially stopper slot 11 of described nut body 1, be again reset to instituteState down radially in stopper slot 22, now, described cap nut protective sleeve main body 2 can be with respect to described nut body 1 freelyRotation, plays antitheft effect.
The foregoing is only the schematic detailed description of the invention of the utility model, not in order to limit model of the present utility modelEnclose. Any those skilled in the art, that under the prerequisite that does not depart from design of the present utility model and principle, does is equal toChange and amendment, all should belong to the scope of the utility model protection.
Claims (10)
1. a magnetic-type anti-theft screw cap, is characterized in that, described magnetic-type anti-theft screw cap includes a nut bodyAnd a cap nut protective sleeve main body, what described nut body can be rotated by an interface arrangment is positioned over described cap nut protective sleeveIn main body, its lower surface along circumferentially spaced be provided with multiple on stopper slot radially, the outside of described cap nut protective sleeve main bodyFace is regular polygon, and its lower port place radially protrudes out and is formed with a ring shoulder, and described ring is takeed on adjacent to described nut bodyLower surface, its upper surface along circumferentially spaced be provided with multiple under stopper slot radially, radially in stopper slot, be embedded under describedHave the radially position limiting slide block that metal material makes that is magnetic, each described under radially stopper slot can with each described on limit radiallyPosition groove is relative, and the elastic limit device that the bottom of described radially position limiting slide block and is fixed on described ring shoulder is connected.
2. magnetic-type anti-theft screw cap as claimed in claim 1, is characterized in that, described interface arrangment includes manyIndividual axial limiting pawl and multiple axial limiting step, each described axial limiting pawl is along circumferentially extending being also arranged at of intervalThe outer peripheral edges place of described nut body lower end, each described axial limiting step is arranged at described nut and protects along circumferentially spacedOn the medial surface of sheath body, described axial limiting step, adjacent to the upper surface of described ring shoulder, is formed with between the twoThe conduit of the accommodating described axial limiting pawl of one energy, is formed with one for described axial between each adjacent described axial limiting stepThe axially open that position-limited claw passes through, the quantity of described axially open is identical with the quantity of described axial limiting pawl, described axleCan corresponding embed in described conduit by described axially open to position-limited claw.
3. magnetic-type anti-theft screw cap as claimed in claim 2, is characterized in that, outside described nut body lower endPeriphery is further arranged with and is formed with a ring portion, between the upside of described ring portion and the lateral surface of described nut body, is formed withOne shoulder, each described axial limiting pawl is arranged in described ring portion along circumferentially spaced.
4. magnetic-type anti-theft screw cap as claimed in claim 3, is characterized in that, described axial limiting pawl with described inDistance between shoulder is not less than described axial limiting step at described cap nut protective sleeve body shaft width upwards, described inAxial limiting pawl is along length radially of described nut body and described axial limiting step along described cap nut protective sleeve main bodyLength is radially identical, and is not more than the degree of depth of described ring portion.
5. magnetic-type anti-theft screw cap as claimed in claim 4, is characterized in that, the lateral surface of described nut bodyCan contact with the medial surface of described cap nut protective sleeve main body.
6. the magnetic-type anti-theft screw cap as described in claim 2 to 5 any one, is characterized in that, described axial limitThe quantity of position pawl and described axial limiting step is all no less than 3, and protects along described nut body and described nut respectivelySheath body circumferentially uniform.
7. the magnetic-type anti-theft screw cap as described in claim 1 to 5 any one, is characterized in that, described on radiallyStopper slot and under radially the quantity of stopper slot be no less than 3, respectively described nut body and described ring shoulder circumferentially allCloth.
8. the magnetic-type anti-theft screw cap as described in claim 1 to 5 any one, is characterized in that, described elastic limitPosition device includes a radially limit spring of limited screw and radially, limit radially described in described limit spring is sheathed onPosition screw screw rod on, described under radially the bottom land place of stopper slot be provided with a through hole, the bottom of described radially position limiting slide blockBe provided with screw channel, described radially limited screw is mobile is arranged in described through hole, and with the spiral shell of described radially position limiting slide blockGroove is connected, and the two ends of described radially limit spring are lower surface and the described radially limited screw of corresponding and described ring shoulderNut contact.
9. magnetic-type anti-theft screw cap as claimed in claim 8, is characterized in that, the lower surface of described ring shoulder is rightDescribed in Ying Yu, the position of through hole is concaved with a circular groove, and described circular groove is coaxial setting with described through hole, described radially spacingThe nut of screw is placed in described circular groove.
10. for the special spanner of the magnetic-type anti-theft screw cap as described in claim 1 to 9 any one, its spyLevy and be, described spanner is provided with one handle and is connected in the cap bag of described handle one end, and the medial surface of described cap bag formsHave the regular polygon matching with the lateral surface of described cap nut protective sleeve, its upper port place is provided with one annular strong magnet,In the time that described cap bag is sheathed on the outside of described cap nut protective sleeve main body, described annular strong magnet can with described nut bodyUpper surface adjacent, and described in adsorbing radially position limiting slide block move up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101672.8U CN205298223U (en) | 2015-12-25 | 2015-12-25 | Magnetic anti-theft nut and special spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101672.8U CN205298223U (en) | 2015-12-25 | 2015-12-25 | Magnetic anti-theft nut and special spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298223U true CN205298223U (en) | 2016-06-08 |
Family
ID=56472870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101672.8U Active CN205298223U (en) | 2015-12-25 | 2015-12-25 | Magnetic anti-theft nut and special spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298223U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443559A (en) * | 2015-12-25 | 2016-03-30 | 中国石油天然气股份有限公司 | Magnetic anti-theft nut and special spanner |
| CN106949123A (en) * | 2017-05-22 | 2017-07-14 | 湖州职业技术学院 | A kind of production line roller screw fastener |
| CN111828457A (en) * | 2020-07-27 | 2020-10-27 | 周福义 | Anti-theft nut |
-
2015
- 2015-12-25 CN CN201521101672.8U patent/CN205298223U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443559A (en) * | 2015-12-25 | 2016-03-30 | 中国石油天然气股份有限公司 | Magnetic anti-theft nut and special spanner |
| CN106949123A (en) * | 2017-05-22 | 2017-07-14 | 湖州职业技术学院 | A kind of production line roller screw fastener |
| CN111828457A (en) * | 2020-07-27 | 2020-10-27 | 周福义 | Anti-theft nut |
| CN111828457B (en) * | 2020-07-27 | 2021-11-02 | 周福义 | Anti-theft nut |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |