CN110685500B - Double-lockhole seal - Google Patents
Double-lockhole seal Download PDFInfo
- Publication number
- CN110685500B CN110685500B CN201911051621.1A CN201911051621A CN110685500B CN 110685500 B CN110685500 B CN 110685500B CN 201911051621 A CN201911051621 A CN 201911051621A CN 110685500 B CN110685500 B CN 110685500B
- Authority
- CN
- China
- Prior art keywords
- lock hole
- seal
- block
- sealing
- rear lock
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 210000002105 tongue Anatomy 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 7
- 239000011324 bead Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B39/00—Locks giving indication of authorised or unauthorised unlocking
Abstract
The invention discloses a double-lock hole seal, which comprises a seal block and a steel cable, wherein one end of the steel cable is fixed in the seal block, a front lock hole and a rear lock hole are formed in the seal block, and a locking mechanism matched with the rear lock hole is arranged in the seal block, so that the steel cable can only positively slide in the rear lock hole; the upper wall and the lower wall of the sealing block are outwards protruded to form an upper tubular slideway and a lower tubular slideway which are parallel to the rear lock hole, and a first unidirectional tooth is arranged in each slideway; the sealing sleeve comprises two opposite tongues and a box part integrally connected between one end of the two tongues, and each tongue is provided with a second unidirectional tooth matched with the first unidirectional tooth, so that the tongue can only be inserted into the corresponding slideway along the forward direction of the rear lock hole; when the two tongues are completely inserted into the corresponding slide ways along the forward direction of the rear lock hole, the box part shields the corresponding ends of the front lock hole and the rear lock hole. Therefore, the brand new double-keyhole seal is provided, the envelopes are effectively prevented from being untwisted, and the anti-theft performance and the safety of the seal are remarkably improved.
Description
Technical Field
The invention belongs to the technical field of consumable seals, and particularly relates to a double-lock hole seal.
Background
At present, a steel cable seal is a device for encoding and sealing heavy point monitoring parts such as a container, an instrument and a key device, and mainly comprises a seal block and a steel cable, wherein one end of the steel cable is fixedly arranged in a blind hole or a through hole on the seal block, and the other end of the steel cable passes through a device door hole needing to be sealed and then passes through a lock hole of the seal block. The steel cable seal is disposable, and has destructive and irreversible effect during unpacking, so as to ensure the safety inside the equipment.
The existing locking mechanism in the sealing block comprises a spring and a locking bead, wherein the spring abuts against the locking bead along a position with a certain included angle with a locking hole, so that the inserted steel cable is locked in one way. In practical use, the steel cable can be completely withdrawn from the lock hole by inserting the metal sheet along the insertion direction of the steel cable to prop up the lock beads, so that the seal is opened without damaging the seal of the steel cable, and the locking mode is not very safe.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a double-lock hole seal to avoid nondestructive unlocking.
The technical aim of the invention is realized by the following technical scheme: a double-lock hole seal comprises a seal block and a steel cable, wherein one end of the steel cable is fixed in the seal block, a front lock hole and a rear lock hole which are arranged side by side are formed in the seal block, and a locking mechanism matched with the rear lock hole is arranged in the seal block, so that the steel cable can only slide in the rear lock hole in a forward direction; the upper wall and the lower wall of the sealing block are outwards protruded to form an upper tubular slideway and a lower tubular slideway which are parallel to the rear lock hole, and a first unidirectional tooth is arranged in each slideway; the sealing sleeve comprises two tongues which are opposite up and down and a box part which is integrally connected between one end of the two tongues, and each tongue is provided with a second unidirectional tooth matched with the first unidirectional tooth, so that the tongue can only be inserted into a corresponding slideway along the forward direction of a rear lock hole; the box part is box-shaped with one open side, two tongues are connected to the open ends of the box part, and when the two tongues are completely inserted into the corresponding slide way along the forward direction of the rear lock hole, the box part shields the corresponding ends of the front lock hole and the rear lock hole.
By adopting the structure, the sealing block is provided with the front locking hole and the rear locking hole, is provided with the slide way, is provided with the sealing sleeve which is in one-way fit with the slide way, and is provided with the box part which can shield the forward end of the rear locking hole and the corresponding end of the front locking hole, so that a brand new double locking hole sealing strip is provided; in actual use, the end to be locked of the steel cable passes through the door hole to be locked and forms a steel cable loop sleeve section, and then sequentially passes through the front lock hole and the rear lock hole in a back-shaped manner, so that a steel cable rotating section is formed outside the sealing block; then inserting the tongue of the envelope into two slide ways on the sealing block, wherein the first unidirectional tooth and the second unidirectional tooth interact to connect the envelope with the sealing block in a non-detachable way, the box part of the envelope covers the corresponding end of the sealing block, and covers the corresponding ends of the front lock hole and the rear lock hole and the revolving section of the steel cable, so that the metal sheet cannot be inserted into the rear lock hole along the insertion direction of the steel cable in the rear lock hole to jack up the locking mechanism; even if the metal sheet is inserted into the front lock hole and the rear lock hole, the revolving steel cable cannot be smoothly pulled out of the front lock hole and the rear lock hole, and even if the steel cable is pulled out of the front lock hole and the rear lock hole through lubrication, the steel cable cannot be reinserted into the rear lock hole, so that the wrapping is effectively prevented from being nondestructively unwound, and the anti-theft performance of the seal is remarkably improved. And moreover, the steel cable passes through the front lock hole and the rear lock hole in a return shape, so that the locked reliability of the steel cable is enhanced, the steel cable is prevented from being pulled out by a large pulling force of the steel cable ring sleeve section, and the locking safety of the seal is effectively improved.
And a locking mechanism matched with the front lock hole is also arranged in the sealing block, and the locking mechanism of the front lock hole and the locking mechanism of the rear lock hole are opposite in direction. The locking reliability of the steel cable is enhanced.
The locking mechanism comprises a spring and a roller, and a clamping groove for accommodating the spring and an inclined track for guiding the roller are arranged in the sealing block. The locking mechanism has simple structure and convenient installation.
And the mounting block is fixed in the sealing block, and the clamping groove and the inclined track are formed by matching the corresponding inner wall of the sealing block with the mounting block. The installation of the spring and the roller is easier.
The circumferential side wall of the roller is provided with a ring groove coaxial with the roller. The friction force between the roller and the steel cable is enhanced, and the clamping force of the roller to the steel cable is enhanced.
The seal block comprises a metal block body and a plastic seal shell covered on the outer surface of the metal block body, and the first unidirectional tooth is integrated with the plastic seal shell. The plastic sealing shell can shield the process holes of the metal block on one hand, avoid the disassembly of the sealing block and is beneficial to improving the appearance aesthetic property; on the other hand, the formation of the slideway and the first unidirectional teeth is facilitated; in yet another aspect, the plastic is less strong than the metal to facilitate identification of whether it is damaged. And the metal block is adopted in the locking mechanism, so that the locking reliability of the locking mechanism is improved.
The second unidirectional teeth are formed by two protrusions on opposite side surfaces of the tongue, and the first unidirectional teeth are formed by protrusions on corresponding surfaces of the plastic sealing shell. The production is easier, and the one-way joint face between the tongue and the slideway is larger, so that the one-way joint is more stable and reliable.
The envelope is made of plastic material, and the thickness d of the inner bottom plate of the envelope box part is less than or equal to 1.5mm. The strength of the inner bottom plate is lower, larger force cannot be born, if the steel cable reversely exits from the rear lock hole, the inner bottom plate is inevitably damaged due to rebound of the revolving section of the steel cable, and further nondestructive unlocking of the seal is avoided.
The open end of the envelope box body extends towards the middle to form a limiting part, and when the tongue is completely inserted into the corresponding slideway, the limiting part abuts against the corresponding end of the sealing block. The tongue insertion slideway is convenient to position and limit.
The sealing block is provided with a screw hole, and the inner end of the screw hole is vertically communicated with the rear locking hole. The screw can be screwed into the screw hole to lock the steel cable, and the screw is cut off along the outer surface of the sealing block after being screwed into the screw hole, or the neck part positioned in the sealing block is arranged on the screw to enable the screw to be automatically broken under larger torsion, so that the steel cable can be further locked in the rear lock hole.
The beneficial effects are that: according to the invention, the front lock hole, the rear lock hole and the slide way are arranged on the sealing block, and the sealing sleeve which is in one-way fit with the slide way is arranged, and the sealing sleeve is provided with the box part which can shield the forward end of the rear lock hole and the corresponding end of the front lock hole, so that a brand new double-lock hole sealing strip is provided, the sealing strip is effectively prevented from being unlocked without damage, and the anti-theft performance and the safety of the sealing strip are remarkably improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the internal structure of fig. 1.
Fig. 3 is a schematic view of the internal structure of fig. 1 when not in use.
Fig. 4 is a bottom view of fig. 1.
Fig. 5 is a cross-sectional view A-A of fig. 1.
Fig. 6 is a B-B cross-sectional view of fig. 2.
FIG. 7 is a cross-sectional view of FIG. 6C-C
Reference numerals: the sealing block 1, the rear locking hole 1a, the front locking hole 1b, the sliding way 1c, the screw hole 1d, the plastic sealing shell 111, the first unidirectional tooth 111a, the metal block 112, the steel rope 2, the steel rope ring sleeve section 2a, the steel rope turning section 2b, the sealing sleeve 3, the box part 311, the inner bottom plate 311a, the limiting part 311b, the tongue part 312, the second unidirectional tooth 312a, the mounting block 4, the spring 5, the roller 6, the annular groove 6a and the screw 7.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
As shown in fig. 1, 2 and 3, the present embodiment provides a dual-keyhole seal, which includes a sealing block 1 and a steel cable 2 with one end fixed in the sealing block 1, wherein the fixing structure of the fixed end of the steel cable 2 in the sealing block 1 is the same as that of the prior art, and details are not repeated here. The sealing block 1 is provided with a front locking hole 1b and a rear locking hole 1a which are arranged side by side, and a locking mechanism matched with the rear locking hole 1a is arranged in the sealing block 1, so that the steel cable 2 can only slide forward in the rear locking hole 1a and cannot withdraw backward. A locking mechanism can be arranged in the front lock hole 1b or not; in this embodiment, a locking mechanism that mates with the front lock hole 1b is also installed in the seal block 1, and the locking mechanism of the front lock hole 1b is opposite to the locking mechanism of the rear lock hole 1a.
As shown in fig. 1, 2 and 3, the locking mechanism comprises a spring 5 and a roller 6, and a clamping groove for accommodating the spring 5 and an inclined track for guiding the roller 6 are arranged in the sealing block 1. The mounting block 4 is fixed in the sealing block 1, the clamping groove and the inclined track are formed by matching the corresponding inner wall of the sealing block 1 with the mounting block 4, and the locking mechanisms of the front locking hole 1b and the rear locking hole 1a share the same mounting block 4. A circumferential wall of the roller 6 is provided with a ring groove 6a coaxial with the roller 6.
As shown in fig. 1, 4, 5, 6 and 7, the upper and lower walls of the sealing block 1 are protruded outwards to form upper and lower tubular sliding ways 1c parallel to the rear locking hole 1a, and a first unidirectional tooth 111a is disposed in each sliding way 1 c. The present embodiment further includes an envelope 3, where the envelope 3 includes two upper and lower opposite tongues 312 and a box portion 311 integrally connected between one end of the two tongues 312, and each tongue 312 is provided with a second unidirectional tooth 312a that is matched with the first unidirectional tooth 111a, so that the tongue 312 can only be inserted into the corresponding slideway 1c in the forward direction of the rear lock hole 1a and is clamped and cannot be withdrawn. The box portion 311 is box-shaped with one side open, two tongues 312 are connected to the open end of the box portion 311, and when the two tongues 312 are completely inserted into the corresponding slide ways 1c along the forward direction of the rear lock hole 1a, the box portion 311 shields the corresponding ends of the front lock hole 1b and the rear lock hole 1a. The second unidirectional teeth 312a are also uniformly distributed on the corresponding surfaces of the tongue portion 312 on the corresponding inner walls of the slideway 1c in which the first unidirectional teeth 111a are uniformly distributed, the shapes of the first unidirectional teeth 111a and the second unidirectional teeth 312a are not limited, and those skilled in the art can select the existing unidirectional tooth structure as long as the tongue portion 312 can be unidirectionally inserted into the slideway 1 and clamped. The length of the slideway 1c is not limited, and the corresponding outer surface of the sealing block can be completely covered, or the slideway can only occupy half, third or tenth of the length of the corresponding outer surface of the sealing block. The open end of the box portion 311 of the envelope 3 extends to the middle to form a limiting portion 311b, and when the tongue portion 312 is completely inserted into the corresponding slideway 1c, the limiting portion 311b abuts against the corresponding end of the sealing block 1.
As shown in fig. 1, 4, 5, 6 and 7, the closure block 1 includes a metal block 112 and a plastic closure shell 111 covering an outer surface of the metal block 112, and the first unidirectional teeth 111a are integral with the plastic closure shell 111. And, the second unidirectional teeth 312a are formed by two opposite side projections of the tongue 312, and the first unidirectional teeth 111a are formed by corresponding side projections of the plastic closure 111. The envelope 3 is made of plastic material, and the thickness d of the inner bottom plate 311a of the box part 311 of the envelope 3 is less than or equal to 1.5mm.
As shown in fig. 2 and 3, a screw hole 1d is formed in the sealing block 1, and an inner end of the screw hole 1d is vertically penetrated with the rear locking hole 1a.
In actual use, as shown in fig. 2, the steel cable 2 passes through the door aperture to be locked and forms a steel cable loop section 2a, and then sequentially passes through the front lock aperture 1b and the rear lock aperture 1a in a loop shape, thereby forming a steel cable turning section 2b outside the seal block 1; the tongue 312 of the envelope 3 is then inserted into the two slides 1c on the block 1, the interaction of the first unidirectional tooth 111a with the second unidirectional tooth 312a connecting the envelope 3 undetachably to the block 1, the box portion 311 of the envelope 3 covering the corresponding ends of the block 1, shielding the corresponding ends of the front and rear lock holes 1b, 1a, and the cable swivel segment 2 b. After the steel cable 2 passes through the rear lock hole 1a, the screw hole 1d is screwed into the screw 7 to lock the steel cable 2, and when the screw 7 is screwed, the screw 7 is cut off along the outer surface of the sealing block 1, or the screw 7 is provided with a neck positioned in the sealing block 1 to be automatically broken under larger torsion, so that the steel cable 7 can be further locked in the rear lock hole 1a.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (8)
1. The utility model provides a two lockhole seals, includes the sealing piece and the cable wire of one end fixed in the sealing piece, characterized by: the sealing block is provided with a front locking hole and a rear locking hole which are arranged side by side, and a locking mechanism which is matched with the rear locking hole and can lock the steel cable is arranged in the sealing block;
the upper wall and the lower wall of the sealing block are outwards protruded to form an upper tubular slideway and a lower tubular slideway which are parallel to the rear lock hole, and a first unidirectional tooth is arranged in each slideway;
the sealing sleeve comprises two tongues which are opposite up and down and a box part integrally connected between one end of the two tongues, each tongue is provided with a second unidirectional tooth matched with the first unidirectional tooth, and the interaction of the first unidirectional tooth and the second unidirectional tooth can lead the sealing sleeve to be connected with the sealing block in a non-detachable way, so that the tongues can only be inserted into the corresponding sliding ways along the forward direction of the rear lock hole; the box part is box-shaped with one side open, the two tongues are connected to the open ends of the box part, and when the two tongues are completely inserted into the corresponding slide way along the forward direction of the rear lock hole, the box part shields the corresponding ends of the front lock hole and the rear lock hole;
a locking mechanism matched with the front lock hole is also arranged in the sealing block, and the locking mechanism of the front lock hole and the locking mechanism of the rear lock hole are opposite in direction; the seal block comprises a metal block body and a plastic seal shell covered on the outer surface of the metal block body, and the first unidirectional tooth is integrated with the plastic seal shell.
2. The dual keyhole seal as recited in claim 1 wherein: the locking mechanism comprises a spring and a roller, and a clamping groove for accommodating the spring and an inclined track for guiding the roller are arranged in the sealing block.
3. The dual keyhole seal as recited in claim 2 wherein: and the mounting block is fixed in the sealing block, and the clamping groove and the inclined track are formed by matching the corresponding inner wall of the sealing block with the mounting block.
4. The dual keyhole seal as recited in claim 2 wherein: the circumferential side wall of the roller is provided with a ring groove coaxial with the roller.
5. The dual keyhole seal as recited in claim 1 wherein: the second unidirectional teeth are formed by two protrusions on opposite side surfaces of the tongue, and the first unidirectional teeth are formed by protrusions on corresponding surfaces of the plastic sealing shell.
6. The dual keyhole seal as recited in claim 1 wherein: the envelope is made of plastic material, and the thickness d of the inner bottom plate of the envelope box part is less than or equal to 1.5mm.
7. The dual keyhole seal as recited in claim 1 wherein: the open end of the envelope box body extends towards the middle to form a limiting part, and when the tongue is completely inserted into the corresponding slideway, the limiting part abuts against the corresponding end of the sealing block.
8. The dual keyhole seal as recited in claim 1 wherein: the sealing block is provided with a screw hole, and the inner end of the screw hole is vertically communicated with the rear locking hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051621.1A CN110685500B (en) | 2019-10-31 | 2019-10-31 | Double-lockhole seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051621.1A CN110685500B (en) | 2019-10-31 | 2019-10-31 | Double-lockhole seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110685500A CN110685500A (en) | 2020-01-14 |
| CN110685500B true CN110685500B (en) | 2024-04-09 |
Family
ID=69115099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911051621.1A Active CN110685500B (en) | 2019-10-31 | 2019-10-31 | Double-lockhole seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110685500B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5588234A (en) * | 1992-09-21 | 1996-12-31 | N.V. Nederlandsche Apparatenfabriek Nedap | Fraud-resistant electronic identification device |
| RU65675U1 (en) * | 2007-04-27 | 2007-08-10 | Общество с ограниченной ответственностью "Транс-пломбир" | LOCKING DEVICE |
| RU2313015C1 (en) * | 2006-09-01 | 2007-12-20 | Андрей Иванович Алексеев | Flexible locking-and-sealing device |
| CN208152755U (en) * | 2018-04-23 | 2018-11-27 | 瑞安市金盾工贸有限公司 | Disposable locking plate |
| RU189324U1 (en) * | 2019-03-21 | 2019-05-21 | Общество с ограниченной ответственностью "Системы сохранности грузов" (ООО "ССГ") | CABLE PLUG-SEALING DEVICE |
| CN209509723U (en) * | 2018-12-06 | 2019-10-18 | 温州市恒跃封条有限公司 | A kind of steel wire seal |
| CN211115215U (en) * | 2019-10-31 | 2020-07-28 | 河北裕通金属制品有限公司 | Multi-lockhole seal |
-
2019
- 2019-10-31 CN CN201911051621.1A patent/CN110685500B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5588234A (en) * | 1992-09-21 | 1996-12-31 | N.V. Nederlandsche Apparatenfabriek Nedap | Fraud-resistant electronic identification device |
| RU2313015C1 (en) * | 2006-09-01 | 2007-12-20 | Андрей Иванович Алексеев | Flexible locking-and-sealing device |
| RU65675U1 (en) * | 2007-04-27 | 2007-08-10 | Общество с ограниченной ответственностью "Транс-пломбир" | LOCKING DEVICE |
| CN208152755U (en) * | 2018-04-23 | 2018-11-27 | 瑞安市金盾工贸有限公司 | Disposable locking plate |
| CN209509723U (en) * | 2018-12-06 | 2019-10-18 | 温州市恒跃封条有限公司 | A kind of steel wire seal |
| RU189324U1 (en) * | 2019-03-21 | 2019-05-21 | Общество с ограниченной ответственностью "Системы сохранности грузов" (ООО "ССГ") | CABLE PLUG-SEALING DEVICE |
| CN211115215U (en) * | 2019-10-31 | 2020-07-28 | 河北裕通金属制品有限公司 | Multi-lockhole seal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110685500A (en) | 2020-01-14 |
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