TWM616381U - Dustproof anti-theft tubular lock set - Google Patents

Abstract

This creation is a dust-proof and anti-theft tubular lock set, which includes a tubular lock, a cover piece, and a removal piece. The tubular lock has a key hole and a cover screw hole. The key hole is ring-shaped, and the cover screw hole is located inside the key hole. The cover can be detachably combined with the tubular lock, and includes a cover part, a screw part, and a first fitting part. The cover part covers the key hole. The screw part can be detachably screwed to the screw hole of the cover of the tubular lock. The first fitting part is formed on the cover part. The removal piece includes a second fitting part. The shape and size of the second fitting part correspond to the first fitting part of the cover, whereby the second fitting part can be fitted with the first fitting part. The cover can close the key hole, thereby preventing sand and dust from getting stuck, and because the key hole is closed by the cover, it can prevent the possibility of trying to crack.

Description

Dustproof anti-theft tubular lock set

This creation relates to a tubular lock, especially a tubular lock with dust-proof and anti-theft functions.

Tubular locks have the advantages of simple structure, small size, low cost, and not easy to be cracked and unlocked by technology. Therefore, they are often used in vending machines, parking meters, game consoles, and coin-operated lockers.

However, in the prior art tubular lock, the keyhole opening does not have a shielding structure, and each pin inside the lock cylinder has a part directly exposed in the keyhole opening (that is, anyone can pass through the keyhole from the outside). The opening of the keyhole directly sees each pin in the lock cylinder), which results in the following shortcomings of the tubular lock:

First, it is easier for water or sand and dust to enter, and it is easy to cause the marbles inside the lock cylinder and the springs behind it to rust or jam and cannot be unlocked.

Second, although tubular locks are more difficult to crack and unlock than traditional locks, the key opening is uncovered and the marbles are directly exposed. Therefore, if people who are willing to spend a lot of time and effort to gradually try from the keyhole opening, then It may still be unlocked by technical cracking.

In view of the aforementioned shortcomings and deficiencies of the prior art, the present invention provides a dust-proof and anti-theft tubular lock set with a cover that can close the keyhole, thereby preventing sand and dust from getting stuck, and the keyhole is closed by the cover. It can eliminate the possibility of trying to crack.

In order to achieve the above creative purpose, the technical means used in this creation is to design a dust-proof and anti-theft tubular lock set, which includes: a tubular lock with an insertion surface, a key hole, and a cover screw hole; the key hole is formed On the insertion surface and in a ring shape; the cover screw hole is formed on the insertion surface and is located inside the keyhole; a cover piece which can be detachably combined with the tubular lock and includes a cover plate portion, It covers the key hole, and has an inner side surface and an outer side surface, the inner side surface facing the tubular lock; a screw part, which is formed on the inner surface of the cover part, and can be screwed to the tubular lock separately The screw hole of the cover of the lock; a first inserting portion formed on the outer surface of the cover plate portion; a removal piece, which includes a second inserting portion, the shape and size of which are the same as those of the cover The first fitting portion corresponds to, whereby the second fitting portion can be fitted with the first fitting portion, and the removal piece can be opposed to each other via the second fitting portion and the first fitting portion Rotate the cover on the tubular lock.

The advantage of this creation is that by forming a cover screw hole on the inner side of the ring-shaped key hole of the tubular lock, the cover can be screwed into the cover screw hole with the screw part, so that the cover plate part of the cover can cover the key hole to form Cover to prevent sand and dust from entering the keyhole, so as to prevent the marbles and the springs behind it from being rusted or stuck and unable to unlock. In addition, since the keyhole is blocked by the cover, even if someone intends to use a lot of time and technology to crack in exchange for unlocking, they will not be able to access the keyhole, which can block the possibility of trying to unlock. To strengthen the role of anti-theft. Furthermore, since the cover member is fitted with the second fitting portion and the first fitting portion through the removal piece, the removed piece rotates relative to the tubular lock, so only It is necessary to design the first fitting part and the second fitting part into a special specification, that is, to design the first fitting part and the second fitting part into a unique matching shape, so that no one can pass through items other than the remover. To remove the cover from the tubular lock, it can further increase the anti-theft performance.

Furthermore, in the dust-proof and anti-theft tubular lock set, the removal member is in the shape of a round rod and includes a first end, the second engaging portion is formed on the first end, and a second end, It is opposite to the first end and has a limiting groove; the limiting groove penetrates through the end surface of the second end; the dust-proof and anti-theft tubular lock set includes a key, which includes an unlocking portion, which is in a circular tube shape and can be separated The second end of the removal piece is sheathed; the shape and size of the end surface of the unlocking portion correspond to the shape and size of the key hole of the tubular lock, and the key can unlock the tubular lock; a limit portion , Which is located inside the unlocking portion; the limiting portion can be detachably penetrated in the limiting groove, and the limiting groove abuts against the limiting portion in the circumferential direction of the removal piece, thereby The key and the removal piece are fixed to each other in the circumferential direction of the removal piece.

Further, in the dust-proof and anti-theft tubular lock set, wherein the tubular wall surface of the unlocking portion of the key penetrates and forms a fixing hole; the outer ring surface of the removal piece is formed with a mounting hole, and The removal part includes a fixing unit, which is movably arranged in the mounting hole; an elastic element, which is arranged in the mounting hole, and pushes the fixing unit outwards, and makes the fixing unit protrude On the outer ring surface of the dismounting piece; the fixing unit can be pushed by the elastic element to abut against the fixing hole of the unlocking portion, whereby the key and the dismounting piece are fixed to each other.

Furthermore, in the dust-proof and anti-theft tubular lock set, a grip groove is formed on the outer ring surface of the removal piece.

Furthermore, in the dust-proof and anti-theft tubular lock set, the removal member is in the shape of a hexagonal rod and includes a first end, and the second engaging portion is formed on the first end; a second End, which is opposite to the first end; the dust-proof and anti-theft tubular lock set includes a handle, which includes a set of pipe parts, and The inner ring surface has a hexagonal shape; the sleeve portion can be detachably sleeved to fit the removal piece; a flap portion connected to the sleeve portion and protrudes from the sleeve portion in the radial direction of the sleeve portion The casing department.

Furthermore, in the dust-proof and anti-theft tubular lock set, the flap part of the handle has a hexagonal hole, and the hexagonal hole can be sleeved and matched with the removal part.

Furthermore, in the dust-proof and anti-theft tubular lock set, a screwdriver head is formed at the second end of the removal piece.

Further, in the dust-proof and anti-theft tubular lock set, the first insertion portion of the cover has a groove and an insertion block, and the groove is recessed from the outer side surface toward the inner side surface, and the insert The engaging block is formed in the groove; the second engaging portion of the removal piece has a protruding column and a fitting groove, and the shape and size of the outer ring surface of the protruding post are the same as the inner ring surface of the groove The shape and size correspond to each other, the fitting groove is formed on the end surface of the protruding column, and the shape and size of the fitting groove correspond to the shape and size of the fitting block.

Furthermore, the dustproof and anti-theft tubular lock set, wherein the tubular lock has a waterproof ring groove sealing ring groove formed on the insertion surface and located outside the keyhole; the dustproof The anti-theft tubular lock set includes a rubber ring, which is arranged in the waterproof ring groove sealing ring groove and abuts against the inner side surface of the cover plate portion of the cover member.

10: Tubular lock

11: Insert face

12: keyhole

13: cover screw hole

14: Seal ring groove

20: cover

21: Cover section

22: Screw part

23: The first fitting part

231: Groove

232: Mosaic Block

30: Removal

31: first end

32: second end

321: limit slot

33: The second fitting part

331: Convex Column

332: Fitting Groove

34: Installation hole

35: card fixing unit

36: elastic element

37: Grip Groove

40: key

41: Unlocking part

411: Snap Hole

42: limit part

50: Rubber ring

30A: Removal

31A: first end

32A: second end

321A: Screwdriver head

60A: Hand wrench

61A: Casing section

62A: wrench

621A: Hexagonal hole

Figure 1 is a perspective view of the first embodiment of this creation.

Figure 2 is an exploded view of the components of the first embodiment of this creation.

Figure 3 is a side cross-sectional view of the first embodiment of this creation.

Figure 4 is a cross-sectional view of the A-A cut line in Figure 3 of this creation.

Figure 5 is a cross-sectional view of the B-B cutting line in Figure 3 of this creation.

Fig. 6 is an exploded view of the key and the removal part of the first embodiment of this creation.

Fig. 7 is an exploded view of the removal member and the cover member of the first embodiment of the present creation.

Figure 8 is an exploded view of the cover and the tubular lock of the first embodiment of the invention.

Figures 9 and 10 are schematic diagrams of the use of the key and the tubular lock of the first embodiment of the invention.

Figure 11 is an exploded view of the components of the second embodiment of the present creation.

In the following, in conjunction with the drawings and the preferred embodiments of this creation, the technical means adopted by this creation to achieve the predetermined creation purpose are further described.

Please refer to FIG. 1, FIG. 2, and FIG.

In the first embodiment, the tubular lock 10 has an insertion surface 11, a key hole 12, a cover screw hole 13, and a sealing ring groove 14. The key hole 12 is formed on the insertion surface 11 and has a ring shape. The cover screw hole 13 is formed on the insertion surface 11 and is located inside the key hole 12. The sealing ring groove 14 is formed on the insertion surface 11 and is located outside the key hole 12.

Please refer to FIG. 3, FIG. 5, FIG. 7, and FIG. 8, the cover 20 can be detachably combined with the tubular lock 10, and includes a cover part 21, a screw part 22, and a first insertion part 23. The cover part 21 covers the key hole 12 and has an inner side surface and an outer side surface, and the inner side surface faces the tubular lock 10. The screw part 22 is formed on the inner surface of the cover part 21 and is detachably screwed into the cover screw hole 13 of the tubular lock 10. The first fitting portion 23 is formed on the outer surface of the cover portion 21. Specifically, in the first embodiment, the first fitting portion 23 has a groove 231 and a fitting block 232. The groove 231 is recessed from the outer side to the inner side, and the fitting block 232 is formed in the groove 231 . In addition, the shape of the fitting block 232 is special, which means that it is different from the common hexagonal or star-shaped screw shape, but is only matched with the removal piece 30 to improve the anti-theft effect. In addition, in other embodiments, the first insertion portion 23 may not have the groove 231, and in this case, the insertion block 232 may be directly formed on the outer surface of the cover portion 21.

Please refer to FIGS. 3, 4, 6, and 7, the removal member 30 is in the shape of a round rod in the first embodiment, and includes a first end 31, a second end 32, and a second engaging portion 33. A mounting hole 34, a fixing unit 35, an elastic element 36, and a holding groove 37. The first end 31 is opposite to the second end 32. The second end 32 has a limiting groove 321, and the limiting groove 321 penetrates through the end surface of the second end 32. The second fitting portion 33 is formed on the first end 31. The shape and size of the second fitting portion 33 correspond to the first fitting portion 23 of the cover 20, whereby the second fitting portion 33 can be fitted with the first fitting portion 23, and the detachment piece 30 can The cover 20 is rotated relative to the tubular lock 10 via the second fitting portion 33 and the first fitting portion 23. The second fitting portion 33 has a convex post 331 and a fitting groove 332. The shape and size of the outer ring surface of the convex post 331 correspond to the shape and size of the inner ring surface of the groove 231 of the first fitting portion 23 The fitting groove 332 is formed on the end surface of the boss 331, and the shape and size of the fitting groove 332 correspond to the shape and size of the fitting block 232 of the first fitting portion 23. In other words, in the first embodiment, the first fitting portion 23 and the second fitting portion 33 are both special and coincide with each other. Therefore, the cover 20 can be bitten and rotated only by the removal member 30, and cannot be rotated. Turned by random tools.

To sum up, the functions of the first fitting portion 23 and the second fitting portion 33 are like a key and a lock, and need a corresponding shape to be able to open; and the first fitting portion 23 and the second fitting portion 33 The shape can have an infinite variety of shapes, that is to say, the shape of each set of the first fitting portion 23 and the second fitting portion 33 is different from that of the other set of the first fitting portion 23 and the second fitting portion 33. The shape, in this way, can ensure that only the specific removal member 30 can rotate and remove the specific cover member 20.

The mounting hole 34 is formed on the outer ring surface of the removal member 30. The fixing unit 35 is movably installed in the mounting hole 34. The elastic element 36 is disposed in the mounting hole 34 and pushes the fixing unit 35 outward so that the fixing unit 35 protrudes from the outer ring surface of the removal member 30. The holding groove 37 is formed on the outer ring surface of the removal member 30.

Please refer to FIG. 3, FIG. 4, FIG. 6, FIG. 9, and FIG. 10, the key 40 includes an unlocking portion 41 and a limiting portion 42. The unlocking part 41 is in a circular tube shape, and the second end 32 of the removing member 30 is detachably sleeved, In addition, a locking hole 411 is formed through the tubular wall surface of the unlocking portion 41. The shape and size of the end surface of the unlocking portion 41 correspond to the shape and size of the key hole 12 of the tubular lock 10, and the key 40 can unlock the tubular lock 10. The limiting portion 42 is located inside the tube of the unlocking portion 41. The limiting portion 42 can be detachably penetrated into the limiting groove 321 on the second end 32 of the removing member 30, and the limiting groove 321 abuts against the limiting portion 42 in the circumferential direction of the removing member 30, Thereby, the key 40 and the removal member 30 are fixed to each other in the circumferential direction of the removal member 30. The fixing unit 35 of the removing member 30 can be pushed by the elastic element 36 to abut against the fixing hole 411 of the unlocking portion 41, so that the key 40 and the removing member 30 are fixed to each other. In addition, in other embodiments, it does not have to be the locking hole 411 penetrating the wall surface of the unlocking portion 41, it can also be a locking groove recessed and formed on the inner wall surface of the unlocking portion 41, or it can be matched with the locking unit 35 to achieve The same effect.

With the above structure, the user can insert the removal member 30 with the second end 32 into the cylindrical unlocking portion 41 of the key 40, and the limiting portion 42 of the key 40 can be removed from the limiting groove 321 of the removal member 30 when inserted. The opening formed on the end surface of the second end 32 enters the limiting groove 321. Then, after the securing unit 35 protruding from the outer ring surface of the removal member 30 abuts against the end of the unlocking portion 41, the user further applies force to insert the removal member 30 into the unlocking portion 41, and the securing unit 35 compresses the elastic element 36 and move into the installation slot, so that the user can further insert the removal member 30 into the unlocking portion 41. At this time, the locking unit 35 is pushed by the elastic element 36 and continues to abut against the inner ring surface of the unlocking portion 41, until the locking unit 35 contacts the locking hole 411 of the unlocking portion 41, the elastic element 36 will be locked. The fixing unit 35 is pushed into the clamping hole 411, thereby fixing the key 40 and the removal member 30 to each other, and since the limiting groove 321 abuts against the limiting portion in the circumferential direction of the removal member 30 42. Therefore, the user can turn the removal member 30 through the key 40, so that the cover member 20 can be easily unscrewed and removed from the tubular lock 10. After the cover 20 is removed, the key hole 12 is opened. At this time, the user can pull the removal member 30 from the unlocking portion 41 of the key 40 by applying force to the grip groove 37. When pulling out by force, the locking unit 35 retracts into the inside of the removal piece 30 and detaches from the fastening hole 411, so that the user can separate the key 40 from the removal piece 30. Finally, the unlocking portion 41 of the key 40 can be accessed from the key hole 12 of the tubular lock 10 and unlock the tubular lock 10.

However, the structure of the combination of the key 40 and the removal member 30 is not limited to this. The key 40 may not have the limiting portion 42, and the removal member 30 may not have the limiting groove 321, the mounting hole 34, the securing unit 35, and elasticity. The element 36 and the holding groove 37 can also be combined through a pin, or have any structure, and even the removal member 30 itself can be used alone.

Please refer to FIGS. 3 and 8, the rubber ring 50 is disposed in the sealing ring groove 14 and abuts against the inner surface of the cover plate 21 of the cover 20. Thereby, when the cover 20 is combined with the tubular lock 10, the rubber ring 50 can achieve the function of sealing and waterproofing, thereby preventing the internal components of the tubular lock 10 from rusting.

Please refer to Figure 11, the specific structure of the second embodiment of this creation is roughly the same as the first embodiment, the difference is that in the second embodiment, the removal member 30A is in the shape of a hexagonal rod, and the dust-proof and anti-theft tubular lock set Contains a handle 60A. The handle 60A includes a sleeve portion 61A and a wrench portion 62A. The inner ring surface of the sleeve portion 61A has a hexagonal shape. The sleeve portion 61A can be detachably sleeved with the anastomosing removal member 30A. The wrench portion 62A is connected to the sleeve portion 61A, and protrudes from the sleeve portion 61A in the radial direction of the sleeve portion 61A. In other words, in the second embodiment, the removal member 30A is used in conjunction with the handle 60A, and the user can insert the second end 32A of the removal member 30A into the sleeve portion 61A, and hold the wrench portion 62A to rotate with fingers. The removal member 30A is used to loosen and remove the cover member. In addition, in the second embodiment, the wrench portion 62A of the handle 60A has a hexagonal hole 621A, and the hexagonal hole 621A can be sheathed with the anastomosing and removing member 30A. Therefore, the hexagonal hole 621A can also be used in combination with the removal member 30A, and at this time, the sleeve portion 61A is a handle to facilitate turning and turning. Furthermore, in the second embodiment, the second end 32A of the removal member 30A is formed with a screwdriver head 321A, whereby the first end 31A of the removal member 30A can be inserted into the sleeve portion 61A, and the handle 60A The combination with the removal piece 30A is used as a general screwdriver.

By forming a cover screw hole 13 inside the ring-shaped key hole 12 of the tubular lock 10, the cover 20 can be screwed into the cover screw hole 13 with the screw portion 22, whereby the cover 21 of the cover 20 can cover the key The hole 12 forms a shield to prevent sand and dust from entering the key hole 12, so as to prevent the pin and the spring arranged behind it from being rusted or stuck and cannot be unlocked. In addition, since the keyhole 12 is blocked by the cover part 21, even those who are willing to plan If you want to use a lot of time and technology to crack in exchange for unlocking, you will also be unable to start because you can't access the keyhole 12, which can block the possibility of trying to unlock and play a role in strengthening theft prevention. Furthermore, since the cover member 20 is fitted with the second fitting portion 33 and the first fitting portion 23 through the removal member 30, and then the removal member 30 is rotated relative to the tubular lock 10, only the first A fitting part 23 and a second fitting part 33 are designed as special specifications, that is, the first fitting part 23 and the second fitting part 33 are designed to have a unique matching shape, so that no one can pass through the removal piece 30. The cover 20 can be removed from the tubular lock 10 by using the following items, so that the anti-theft performance can be further increased. In other words, the removal member 30 can be regarded as the second key, and the removal member 30 and the key 40 can be kept separately for two persons, so that it can be ensured that the opening can be performed only when both of them agree.

The above description is only the preferred embodiment of the creation, and does not limit the creation in any form. Although the creation has been disclosed in the preferred embodiment as above, it is not intended to limit the creation. Any technical field has Generally knowledgeable persons, without departing from the scope of this creative technical solution, can use the technical content disclosed above to make slight changes or modifications to equivalent embodiments with equivalent changes. However, any content that does not deviate from this creative technical solution is based on this Any simple modifications, equivalent changes and modifications made to the above embodiments by the technical essence of the creation still fall within the scope of the technical solution for creation.

10: Tubular lock

11: Insert face

12: keyhole

13: cover screw hole

20: cover

21: Cover section

23: The first fitting part

30: Removal

31: first end

32: second end

321: limit slot

40: key

Claims (6)

A dust-proof and anti-theft tubular lock set, which contains A tubular lock having an insertion surface, a key hole, and a cover screw hole; the key hole is formed on the insertion surface and has a ring shape; the cover screw hole is formed on the insertion surface and is located on the key Inside the hole A cover that can be detachably combined with the tubular lock and includes A cover plate covering the key hole and having an inner side surface and an outer side surface, the inner side surface facing the tubular lock; A screw part formed on the inner surface of the cover part and detachably screwed to the cover screw hole of the tubular lock; A first fitting portion formed on the outer surface of the cover portion; A removal piece, which contains A second fitting portion, the shape and size of which correspond to the first fitting portion of the cover, whereby the second fitting portion can be fitted with the first fitting portion, and the removal piece The cover can be rotated relative to the tubular lock via the second fitting part and the first fitting part. The dust-proof and anti-theft tubular lock set as described in claim 1, wherein: The removal piece is in the shape of a round rod and includes A first end, and the second engaging portion is formed on the first end; A second end opposite to the first end and having a limiting groove; the limiting groove penetrates through the end surface of the second end; The dust-proof anti-theft tubular lock set includes A key, which contains An unlocking portion, which is in a circular tube shape and can be detachably sleeved on the second end of the removal piece; the shape and size of the end surface of the unlocking portion correspond to the shape and size of the keyhole of the tubular lock, and The key can unlock the tubular lock; A limiting portion located inside the unlocking portion; the limiting portion can be detachably penetrated in the limiting slot, and the limiting slot abuts against the limiting in the circumferential direction of the removal piece Part, whereby the key and the removal piece are fixed to each other in the circumferential direction of the removal piece. The dust-proof and anti-theft tubular lock set as described in claim 2, wherein: A fastening hole is formed through the tubular wall surface of the unlocking part of the key; An installation hole is formed on the outer ring surface of the removal piece, and the removal piece includes A clamping unit, which is movably arranged in the mounting hole; An elastic element, which is arranged in the mounting hole, and pushes the fixing unit outwards, and makes the fixing unit protrude from the outer ring surface of the removal piece; the fixing unit can use the elastic element Pushing and abutting against the locking hole of the unlocking part, whereby the key and the removing piece are fixed to each other. According to claim 3, the dust-proof and anti-theft tubular lock set, wherein a holding groove is formed on the outer ring surface of the removal piece. The dust-proof and anti-theft tubular lock set according to any one of claims 1 to 4, wherein: The first inserting portion of the cover has a groove and an inserting block, the groove is recessed from the outer side surface toward the inner side surface, and the inserting block is formed in the groove; The second fitting portion of the removal piece has a protruding column and a fitting groove. The shape and size of the outer ring surface of the protruding column correspond to the shape and size of the inner ring surface of the groove. A groove is formed on the end surface of the protruding column, and the shape and size of the inserting groove correspond to the shape and size of the inserting block. The dust-proof and anti-theft tubular lock set according to any one of claims 1 to 4, wherein: The tubular lock has a sealing ring groove formed on the insertion surface and located outside the key hole; The dust-proof anti-theft tubular lock set includes A rubber ring is arranged in the sealing ring groove and abuts against the inner side surface of the cover plate portion of the cover member.

Images