CN209705048U - A kind of label anti-theft screw - Google Patents
A kind of label anti-theft screw Download PDFInfo
- Publication number
- CN209705048U CN209705048U CN201920198913.7U CN201920198913U CN209705048U CN 209705048 U CN209705048 U CN 209705048U CN 201920198913 U CN201920198913 U CN 201920198913U CN 209705048 U CN209705048 U CN 209705048U
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- China
- Prior art keywords
- post
- nail
- hexagonal head
- lock pillar
- ladder
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Abstract
The utility model discloses a kind of label anti-theft screws, it is related to Hardware fitting, for solving the problems, such as that plain screw is easy to be disassembled, including post, the hexagonal head of a nail, ladder circular hole is offered on the hexagonal head of a nail, the post is arranged in stepped hole and the ailhead of post is embedded in biggish one section of ladder circular hole bore dia and is mutually separated with limiting the hexagonal head of a nail with post, and single-way linkage mechanism is provided between the hexagonal head of a nail and post；The utility model has the following advantages that and effect: the single-way linkage between post and the hexagonal head of a nail enables screw normally to tighten, but skidding can be generated when wanting to unscrew, so that screw is difficult to be unscrewed, to achieve the effect that antitheft.
Description
Technical field
The utility model relates to Hardware fitting, in particular to a kind of label anti-theft screw.
Background technique
Sign Board is to merge planning, building, space, sculpture, logic, color, aesthetics and material in the product of one, is removed
As other than Warning Mark, it can also play the role of decoration.Near scenic spot, flow of the people is especially big, and inevitable someone dislikes
Make play, label is removed and exchanges or throws out without care carelessly, causes trouble to playing for other tourists.
Currently, the Chinese invention patent that application publication number is CN105443550A discloses a kind of anti-theft screw, including spiral shell
Follow closely ontology and plug；The screw body is cylindrical, and screw body outer ring is equipped with external screw thread, and the center on screw body top is opened
Equipped with groove；The plug can be blocked up and is located in groove, and plug height is equal with depth of groove.
Anti-theft screw as described above, antitheft principle are filled up on screw body (the present embodiment claims post) using plug
Groove, make screw body in a round and smooth column so that spanner screw body force can not be achieved the effect that it is antitheft,
But in actual use, plug is possible to fall, or is simply chosen by the small articles of people's needle etc, just exposure again
Groove on screw body out, at this time even can be screwed to screw body by coin, so its anti-theft effect is poor.
Utility model content
The purpose of the utility model is to provide a kind of label anti-theft screws, reversely screwing for screw can be limited, so that spiral shell
Nail can only be tightened and be difficult to unscrew, to achieve the purpose that improve screw anti-theft effect.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of antitheft spiral shell of label
It follows closely, including post, the hexagonal head of a nail, ladder circular hole is offered on the hexagonal head of a nail, the post is arranged in stepped hole and follows closely
The ailhead of column is embedded in biggish one section of ladder circular hole bore dia and is mutually separated with limiting the hexagonal head of a nail with post, and follows closely in hexagonal
Single-way linkage mechanism is provided between cap and post.
By using above scheme, due to mutually being worn between post and the hexagonal head of a nail, so between the two can
Positive and negative relative rotation is generated, and single-way linkage mechanism can then limit one of relative rotation direction between the two
It is fixed, only need to set the linkage direction of the two to the tightening direction of screw in this way, it will be able to turn toward the direction for tightening screw
It drives post to rotate together when the dynamic hexagonal head of a nail, screw is tightened, and when someone wants to unscrew screw, the hexagonal head of a nail and nail
But skidding can be generated between column, so that screw can not be unscrewed, and the ailhead of post and the surface flush with the hexagonal head of a nail, made
Obtaining the tools such as spanner can not directly exert a force to post at all, therefore this screw is difficult to carry out unscrewed, so that it is anti-to reach raising
Steal the purpose of effect.
The utility model is further arranged to: the single-way linkage mechanism includes being opened on the circumferential side wall of ailhead
Spine slot, the spine column being embedded in post holes, is set in post holes and for driving spine the post holes being opened on the inner wall of ladder circular hole
The inclined direction of the actuator of column pop-up, the spine slot and post holes is identical as the thread rotary orientation in post, and spine column is driving
It is embedded under the driving of part in spine slot and is engaged with ailhead formation.
By using above scheme, it is equivalent to form ratchet ratchet machine in fact after opening up spine slot, between spine column and ailhead
Structure, and it is common knowledge that ratchet ratch mechanism, which has one-way, so the hexagonal head of a nail and post can be made to carry out single-way linkage, from
And while realization screws, achieve the effect that antitheft.
The utility model is further arranged to: the spine column is far from the gradient being provided on one end of actuator with spine slot
The scarf to match.
By using above scheme, after opening up scarf on spine column, can the hexagonal head of a nail reversely rotate during,
When the scarf on spine column generates relative motion with ailhead, extruding force between the two is easier for spine column to be pushed into post holes,
So that skidding is generated between post and the hexagonal head of a nail, to achieve the purpose that prevent screw unscrewed.
The utility model is further arranged to: the actuator can be spring.
For spine column, as long as lasting driving force can be provided for it, it will be able to be used as actuator, by adopting
With above scheme, spring structure is simple, and can generate lasting motive force after being compressed, enable spine column always with spine slot
Intermeshing, to achieve the purpose that link post and the hexagonal head of a nail.
The utility model is further arranged to: the single-way linkage mechanism further include for by post and the hexagonal head of a nail into
The fixed locked component of row, the locked component includes the mounting hole being opened on hexagonal head of a nail side wall, the circle for being opened in ailhead
Lock hole on all side walls and for cooperating with mounting hole, the ladder lock pillar being embedded in mounting hole, to be sheathed on ladder lock pillar straight
Lesser one section of diameter is upper and be pushed against the elastic component on ailhead, the diameter of the lock hole with lesser one section of ladder lock pillar diameter
Equal, when the side wall flush of the surface of the ladder lock pillar and the hexagonal head of a nail, ladder lock pillar is chimeric with lock hole disengaging, and
The anti-drop assembly being detached from for limiting the two is provided between ladder lock pillar and the hexagonal head of a nail.
Screw can only be tightened and cannot unscrew, then the maintenance of product is just pretty troublesome, so phase method is still needed to make spiral shell
Nail can be dismantled, and by using above scheme, when needing to back out screw, ladder lock pillar is embedded in lock hole
It will be fixed between post and the hexagonal head of a nail, to conveniently back out screw；And ladder lock pillar is equal with the side wall of the hexagonal head of a nail
It is allowed for together from being not easy to find out the effect of locking column in appearance, and then makes ladder lock pillar that there is preferable concealment, to make
Antitheft characteristic can be played by obtaining this screw.
The utility model is further arranged to: the anti-drop assembly includes being opened on the side wall of ladder lock pillar and along rank
The axially extending axial groove of terraced lock pillar, at least two are opened on the side wall of ladder lock pillar and along the axial alignment of ladder lock pillar
Circumferential slot is integrally formed in inner wall of the hole installing and for the anti-drop block with axial groove and circumferential slot cooperation, the circumferential slot
It is connected with axial groove, when the side wall flush of ladder lock pillar and the hexagonal head of a nail, anti-drop block is embedded at that close to elastic component
In circumferential slot, and the distance between two circumferential slots are equal to the depth of lock hole.
By using above scheme, axial groove enables ladder lock pillar to stretch in mounting hole, and axial groove is then used for
The stretching motion of ladder lock pillar is defined, when anti-drop block is transferred in circumferential slot by axial groove, due to the promotion of elastic component
Effect, the extruding force between anti-drop block and circumferential slot inner wall can limit the rotation of ladder lock pillar, so that ladder lock pillar can
The state for keeping the state for being embedded in lock hole or remaining disengaged from lock hole, so that convenient screw screw.
The utility model is further arranged to: the ladder lock pillar is back in offering on the surface of elastic component side six
Angle groove.
By using above scheme, interior hexagonal groove can facilitate installation personnel to be rotated with spanner to ladder lock pillar,
It can be used as marking simultaneously, installation personnel allowed to be easy to understand the position of ladder lock pillar.
In conclusion the utility model has the following beneficial effects:
1. the single-way linkage between post and the hexagonal head of a nail enables screw normally to tighten, but when wanting to unscrew
Skidding can be generated, so that screw is difficult to be unscrewed, to achieve the effect that antitheft；
2. ladder lock pillar can be fixed post and the hexagonal head of a nail, make post and hexagonal when needing removable screw
Switched to by single-way linkage relatively fixed between the head of a nail, allows the operator to drive post reversion by the hexagonal head of a nail, thus
Realize the disassembly of screw；
3. the interior hexagonal groove on ladder lock pillar can either facilitate tool to align, while can also be used as cue mark, convenient
Installation personnel searches out ladder lock pillar.
Detailed description of the invention
Fig. 1 is the overall structure figure of the present embodiment；
Fig. 2 is the partial sectional view of the present embodiment hexagonal head of a nail；
Fig. 3 is the partial enlarged view being located at A in Fig. 2.
In figure: 1, post；11, ailhead；2, the hexagonal head of a nail；3, single-way linkage mechanism；31, spine slot；32, post holes；33, spine
Column；34, actuator；35, locked component；351, mounting hole；352, lock hole；353, ladder lock pillar；354, elastic component；4, anticreep
Component；41, axial groove；42, circumferential slot；43, anti-drop block；5, interior hexagonal groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of label anti-theft screw includes post 1, the hexagonal head of a nail 2, post 1 is really one screwed
Stud is wholely set the ailhead 11 that diameter is greater than post 1 on one end of post 1；The hexagonal head of a nail 2 is in hexahedron shape, at it
Center offers stepped hole, and post 1 is arranged in stepped hole, and ailhead 11 is embedded in ladder in stepped hole be relatively large in diameter one section
The complete filling-in in hole.
As shown in Fig. 2, being provided with single-way linkage mechanism 3 between post 1 and the hexagonal head of a nail 2, single-way linkage mechanism 3 includes
Spine slot 31, post holes 32, spine column 33, actuator 34, locked component 35, spine slot 31 is opened on the circumferential side wall of ailhead 11, and spine
The cell wall of slot 31 is tilted towards side identical with the thread rotary orientation of post 1；Post holes 32 is opened on the inner wall of stepped hole, and its
The inclined direction and spine slot 31 of depth direction are consistent.
Actuator 34 is spring, is placed in post holes 32；Spine column 33 is cylindrical, is embedded in post holes 32, is driving
Have under the driving of part 34 towards what post holes 32 was deviate from outside and drive, offers and be used on the one end of spine column 33 far from actuator 34
The inconsistent scarf with 31 inner wall of spine slot, and spine column 33 is meshed under the driving of actuator 34 with spine slot 31.
Locked component 35 includes mounting hole 351, lock hole 352, ladder lock pillar 353, elastic component 354, and mounting hole 351 opens up
In on the side wall of the hexagonal head of a nail 2；The diameter of lock hole 352 is less than mounting hole 351, is opened on the circumferential side wall of ailhead 11, and
It is aligned with mounting hole 351；Ladder lock pillar 353 diametrically small one and large one two sections it is cylindric, be embedded in mounting hole 351, and
The deep equality of its total length and mounting hole 351；Elastic component 354 is spring, is sheathed on lesser one section of 353 diameter of ladder lock pillar
On, and its both ends is pushed against on ladder lock pillar 353 and ailhead 11 simultaneously.
As shown in figure 3, being provided between ladder lock pillar 353 and the hexagonal head of a nail 2 for limiting ladder lock pillar 353 from installation
The anti-drop assembly 4 deviate from hole 351, anti-drop assembly 4 include axial groove 41, circumferential slot 42, anti-drop block 43, and axial groove 41 is opened in
On the side wall of ladder lock pillar 353, and the length direction of axial groove 41 extends along the axial direction of ladder lock pillar 353；Circumferential slot 42
At least it is arranged two, is opened on the side wall of ladder lock pillar 353, circumferential slot 42 is connected to 41 square crossing of axial groove, two weeks
Axial direction to slot 42 along ladder lock pillar 353 arranges, and the distance between two axial grooves 41 are equal to the depth of lock hole 352
Degree；Anti-drop block 43 is integrally formed on the inner wall of mounting hole 351, when anti-drop block 43 is located at that axial groove 41 close to ailhead 11
When interior, ladder lock pillar 353 is back to the surface of 354 side of elastic component and the side wall flush of the hexagonal head of a nail 2.
Interior hexagonal groove 5 is also provided on surface of the ladder lock pillar 353 back to 354 side of elastic component.
Specific implementation process: in use, be single-way linkage between the hexagonal head of a nail 2 and post 1, so the hexagonal head of a nail 2
When can smoothly tighten, but be intended to unscrew screw, post 1 can generate skidding with the hexagonal head of a nail 2, so that screw is not easy to twist
Pine could link completely to post 1 and the hexagonal head of a nail 2 as long as ladder lock pillar 353 is embedded in lock hole 352, thus
It can either realize antitheft, and screw disassembling can be facilitated.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (7)
1. a kind of label anti-theft screw, it is characterised in that: including post (1), the hexagonal head of a nail (2), opened on the hexagonal head of a nail (2)
Equipped with ladder circular hole, the post (1) is arranged in stepped hole and the ailhead (11) of post (1) is embedded at ladder circular hole bore dia
It is mutually separated in biggish one section with limiting the hexagonal head of a nail (2) with post (1), and is arranged between the hexagonal head of a nail (2) and post (1)
There are single-way linkage mechanism (3).
2. a kind of label anti-theft screw according to claim 1, it is characterised in that: the single-way linkage mechanism (3) includes
The spine slot (31) that is opened on the circumferential side wall of ailhead (11), is embedded at the post holes (32) being opened on the inner wall of ladder circular hole
Spine column (33) in post holes (32) is set to actuator (34) in post holes (32) and for driving spine column (33) to pop up, described
Spine slot (31) and the inclined direction of post holes (32) are identical as the thread rotary orientation on post (1), and spine column (33) is in actuator
(34) it is embedded in be formed in spine slot (31) with ailhead (11) under driving and engage.
3. a kind of label anti-theft screw according to claim 2, it is characterised in that: the spine column (33) is far from actuator
(34) scarf to match with the gradient of spine slot (31) is provided on one end.
4. a kind of label anti-theft screw according to claim 2, it is characterised in that: the actuator (34) can be bullet
Spring.
5. a kind of label anti-theft screw according to claim 2, it is characterised in that: the single-way linkage mechanism (3) is also wrapped
The locked component (35) for post (1) and the hexagonal head of a nail (2) to be fixed is included, the locked component (35) includes being opened in
Mounting hole (351) on the hexagonal head of a nail (2) side wall is opened on the circumferential side wall of ailhead (11) and is used for and mounting hole (351)
The lock hole (352) of cooperation, is sheathed on ladder lock pillar (353) diameter at the ladder lock pillar (353) being embedded in mounting hole (351)
Lesser one section elastic component (354) that is upper and being pushed against on ailhead (11), the diameter and ladder lock pillar of the lock hole (352)
(353) lesser one section of diameter it is equal, when the side wall flush of the surface of the ladder lock pillar (353) and the hexagonal head of a nail (2), rank
Terraced lock pillar (353) is chimeric with lock hole (352) disengaging, and is provided with and is used between ladder lock pillar (353) and the hexagonal head of a nail (2)
The anti-drop assembly (4) that both limitations are detached from.
6. a kind of label anti-theft screw according to claim 5, it is characterised in that: the anti-drop assembly (4) includes opening up
In being opened in rank on the side wall of ladder lock pillar (353) and along the axially extending axial groove (41) of ladder lock pillar (353), at least two
On the side wall of terraced lock pillar (353) and along the circumferential slot (42) of the axial alignment of ladder lock pillar (353), it is integrally formed at mounting hole
(351) anti-drop block (43) on inner wall and for cooperating with axial groove (41) and circumferential slot (42), the circumferential slot (42) with
Axial groove (41) is connected, and when the side wall flush of ladder lock pillar (353) and the hexagonal head of a nail (2), anti-drop block (43), which is embedded at, to be leaned on
In that circumferential slot (42) of nearly elastic component (354), and the distance between two circumferential slots (42) are equal to the depth of lock hole (352)
Degree.
7. a kind of label anti-theft screw according to claim 6, it is characterised in that: the ladder lock pillar (353) is back to bullet
Interior hexagonal groove (5) are offered on the surface of property part (354) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198913.7U CN209705048U (en) | 2019-02-15 | 2019-02-15 | A kind of label anti-theft screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198913.7U CN209705048U (en) | 2019-02-15 | 2019-02-15 | A kind of label anti-theft screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705048U true CN209705048U (en) | 2019-11-29 |
Family
ID=68641559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920198913.7U Active CN209705048U (en) | 2019-02-15 | 2019-02-15 | A kind of label anti-theft screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209705048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393029A (en) * | 2020-11-04 | 2021-02-23 | 宁波双德金属管业有限公司 | Corrosion-resistant spiral steel pipe |
| CN113958590A (en) * | 2021-09-17 | 2022-01-21 | 国网新疆电力有限公司博尔塔拉供电公司 | Anti-theft device for transmission line iron tower |
-
2019
- 2019-02-15 CN CN201920198913.7U patent/CN209705048U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393029A (en) * | 2020-11-04 | 2021-02-23 | 宁波双德金属管业有限公司 | Corrosion-resistant spiral steel pipe |
| CN113958590A (en) * | 2021-09-17 | 2022-01-21 | 国网新疆电力有限公司博尔塔拉供电公司 | Anti-theft device for transmission line iron tower |
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