Card inserting type lock convenient for number changing

Abstract

The invention relates to the technical field of luggage locks, in particular to a card inserting type lock convenient for number changing, which comprises a lock shell and a locking mechanism positioned in the lock shell, the locking mechanism comprises a supporting seat fixed in the lock shell, and a limiting column and a marble column are arranged in each supporting hole of the supporting seat in a penetrating manner; the locking mechanism further comprises an unlocking assembly installed on the supporting base in a sliding mode, the unlocking assembly comprises an unlocking plate and a push button which are fixed, the unlocking plate is provided with a plurality of special-shaped holes allowing the limiting columns to penetrate through, the limiting columns are provided with receding parts and stopping parts, and the stopping parts are embedded into the special-shaped holes and can stop the unlocking plate from moving to achieve locking. When the receding part is embedded into the special-shaped hole, blocking on the unlocking plate is relieved, and unlocking is achieved; a concave-convex embedded structure is arranged at the end, abutting against the pin tumbler column, of the limiting column, and the end of the limiting column is exposed out of the lock shell to be operated and rotated so that the end of the limiting column can be adjusted to be embedded into or not embedded into the pin tumbler column. Compared with the prior art, the structure is simple, manufacturing and implementation are easy, and production cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of luggage locks, and in particular to a card-insertion lock which is convenient for changing numbers. Background Art

[0002] Luggage locks are commonly used locks on suitcases, trolley cases and other luggage. Luggage and luggage are currently closed with zippers, and the zipper head is provided with a keyhole to cooperate with the luggage lock. Currently, there is a type of luggage lock, which is a long lock shell as a whole, with a push block arranged at one end of the lock shell, a password lock in the middle, and a zipper head insertion opening at the other end. A slider movable part for locking the zipper head inserted into the lock shell is provided in the lock shell. When the password is entered correctly, a push rod in the password lock can slide relative to the lock shell, and the push block pushes the push rod, and the push rod pushes the slider movable part to separate the slider movable part from the zipper head.

[0003] Most of the mechanisms for locking are password wheel mechanisms and key lock mechanisms, and a small number of them use card insertion to unlock. For example, a composite card insertion luggage lock disclosed in the Chinese patent document with announcement number CN202007573U, when opening the box, insert the number plate to achieve different displacements of the door lock pins through the different depths of the top pressure part and the key hole, so that the stop rod just moves to the corresponding jack position, and the pin mechanism can drive the paddle to move, and the paddle drives the knob to rotate through the control part, and the knob drives the second fork pressed on the top rod to rotate, and the button is pressed to press the top rod to move, so as to separate the card rod from the card hole on the suitcase and open the box; insert a special tool, rotate the lock core through the special tool, drive the lever through the lock core, drive the lever to rotate the knob, and the knob drives the second fork pressed on the top rod to rotate, and the button is pressed to press the top rod to move, so as to separate the card rod from the card hole on the suitcase and open the box. Through the above two methods, all owners and specific personnel of the luggage can easily open the luggage.

[0004] Another example is a composite luggage lock disclosed in a Chinese patent document with publication number CN102747905A, which includes an upper shell and a bottom cover, wherein the upper shell is formed with a card slot and a card hole, a bottom plate is installed on the bottom cover, and a receiving space is formed between the upper shell and the bottom plate, which receives: a plurality of card points fixed on the card point slot, the card point slot is connected to a slider, and the slider slides with the displacement of the unlocking card; the slider drives the transmission shaft to displace during the sliding process, thereby driving the protrusion of the lock gear switching block to move so that the lock gear switching block rotates to achieve the switching between the unlocking and locking states; at the same time, the lock gear switching block can also be rotated by a special key. The lock can be opened by using an unlocking card or by rotating the lock core by a special key. The opening method is flexible and can meet specific needs. At the same time, the numbering function can also be achieved by the cooperation of the number-changing card slot piece with the card point and the unlocking card.

[0005] The above-mentioned composite luggage lock, with respect to the structure of unlocking by inserting a card, can realize numbering through the number-changing card slot sheet, but its structure is complicated and the manufacturing cost is high. Summary of the invention

[0006] In view of all or part of the above-mentioned technical problems in the prior art, the present invention provides a card-insertion lock which is convenient for changing numbers.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] Provided is a card-insertion lock for convenient number change, comprising a lock shell and a locking mechanism located in the lock shell, the locking mechanism comprising a support seat fixed in the lock shell, and the lock shell is provided with a card insertion slot for inserting an external unlocking card;

[0009] The support seat is provided with a plurality of support holes, each of which is provided with a limit column and a pin column, and the support seat is provided with a spring for applying force to the limit column, so that the front end of the limit column keeps pushing the pin column into the card insertion slot;

[0010] The locking mechanism also includes an unlocking assembly slidably mounted on the support seat, which includes an unlocking plate and a push-twist fixed to each other, and the push-twist extends out of the lock shell; the unlocking plate is provided with a plurality of special-shaped holes for the limit column to pass through, and the limit column is provided with a yielding portion and a stop portion, and the stop portion is embedded in the special-shaped hole to block the movement of the unlocking plate to achieve locking, and the yielding portion is embedded in the special-shaped hole to release the blockage of the unlocking plate to achieve unlocking;

[0011] The end of the limiting column abutting against the pin column is provided with a concave-convex embedded structure, the rear end of the limiting column is connected with a number-changing piece exposed outside the lock housing, the number-changing piece and the limiting column are mutually limited in the circumferential direction to rotate together, and can be relatively displaced in the axial direction; in a natural state, the number-changing piece is limited in the rotation direction, and an external force drives the number-changing piece to displace axially relative to the limiting column to release the restriction and rotate, so as to adjust the end of the limiting column to be embedded in or not embedded in the pin column;

[0012] Inserting the unlocking card into the card slot, the alignment hole of the unlocking card is aligned with / staggered with the pin column, and whether the limit column is embedded in the pin column jointly determines whether the stop part or the yield part is embedded in the special-shaped hole.

[0013] As a further optional solution, the matching hole of the unlocking card is aligned with the pin column, and when the end of the limiting column is embedded in the pin column, the stop portion is embedded in the special-shaped hole to achieve locking.

[0014] As a further optional scheme, the special-shaped hole is a long hole, which includes a stop hole section and a locking hole section. The aperture of the stop hole section is larger than the aperture of the locking hole section. The stop portion is a convex ring integrally formed on the outside of the limiting column, and the stop portion can be embedded in the stop hole section but cannot be moved to the locking hole section; the yielding portion is a ring groove integrally formed on the outside of the limiting column, and the yielding portion can move in the stop hole section and the locking hole section.

[0015] As a further optional solution, the support seat includes a first seat body and a second seat body that are fixed to each other. The sides of the first seat body and the second seat body that are close to each other are provided with a receiving groove for the unlocking plate to slide therein. The pin column is located in the supporting hole of the first seat body, and the sign changing piece is located in the supporting hole of the second seat body.

[0016] As a further optional scheme, a blocking groove is provided in the supporting hole of the second seat body, and a blocking protrusion is provided on the sign-changing member. In a natural state, the blocking protrusion is embedded in the blocking groove, thereby limiting the circumferential movement of the sign-changing member; external force drives the sign-changing member to move axially so that the blocking protrusion disengages from the blocking groove and releases the circumferential limit.

[0017] As a further optional solution, the spring is sleeved on the outside of the limiting column, one end of the spring abuts against the limiting column, and the other end abuts against the sign-changing piece, so that the blocking protrusion remains embedded in the blocking groove.

[0018] As a further optional solution, a non-circular directional slot is provided at the end of the limiting column, and the sign-changing piece is provided with a protrusion inserted into the directional slot, and the protrusion can move along the depth direction of the directional slot.

[0019] As a further optional solution, the concave-convex embedded structure includes a V-shaped groove arranged at the end of the ball column and a V-shaped protrusion arranged at the end of the limiting column. The V-shaped protrusion can be aligned and embedded in the V-shaped groove. After the limiting column rotates to a preset angle, the V-shaped groove and the V-shaped protrusion are staggered instead of embedded.

[0020] As a further optional solution, the outer side of the pin column is provided with an axially arranged guide protrusion, the support hole is provided with a guide groove, and the guide protrusion is embedded in the guide groove, so that the pin column can slide axially while being limited in the rotation direction.

[0021] As a further optional solution, the end of the pin column close to the card insertion slot is semicircular.

[0022] Beneficial effects of the present invention:

[0023] Compared with the prior art, the card-insertion lock of the present invention, which is convenient for changing numbers, determines whether the limit column restricts the movement of the unlocking plate by manually switching the concave-convex interlocking structure between the limit column and the pin column to be interlocked, so as to combine it with the matching hole of the unlocking card. By changing the interlocking relationship between different limit columns and pin columns, different unlocking cards can be matched to achieve the purpose of locking and unlocking. The structure is simple, easy to manufacture and realize, and the production cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of a card-insertion lock that is convenient for changing numbers in an embodiment, combined with a code changing tool.

[0025] Figure 2The figure is an exploded view of a card-insertion lock that is convenient for changing numbers in an embodiment.

[0026] Figure 3 It is a structural schematic diagram of the locking mechanism in the embodiment.

[0027] Figure 4 It is a cross-sectional view of the locking mechanism in the embodiment.

[0028] Figure 5 It is a cross-sectional view of a partial structure of the locking mechanism in the embodiment.

[0029] Figure 6 It is a schematic diagram of the coordination of the unlocking card, the limiting column, the pin column and the unlocking plate in the embodiment.

[0030] Figure 7 Schematic diagram of the second seat body in the embodiment.

[0031] Reference numerals:

[0032] Lock housing 1, card slot 11;

[0033] Locking mechanism 2;

[0034] Support seat 3, supporting hole 31, first seat body 32, second seat body 33, receiving groove 34, blocking groove 331;

[0035] Limiting column 4, giving part 41, stopping part 42, V-shaped protrusion 43, directional slot 45;

[0036] The pin column 5, the V-shaped groove 51, and the guide protrusion 52;

[0037] Unlocking assembly 6, unlocking plate 61, special-shaped hole 62, stop hole section 63, unlocking hole section 64, push-twist 65;

[0038] Unlocking card 7, matching hole 71;

[0039] One word review 8;

[0040] The number-changing piece 9, the locking protrusion 91, and the blocking protrusion 92. DETAILED DESCRIPTION

[0041] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0042] A card-insertion lock that is convenient for changing numbers in this embodiment, such as Figures 1 to 7 As shown, it includes a lock shell 1 and a locking mechanism 2 located in the lock shell 1. The locking mechanism 2 includes a support seat 3 fixed in the lock shell 1. The lock shell 1 is provided with a card insertion slot 11 for inserting an external unlocking card 7.

[0043] In this embodiment, the support seat 3 is provided with eight support holes 31, which are arranged in two rows, and the upper row is aligned with the lower row. A limit column 4 and a pin column 5 are inserted into each support hole 31, and a spring is provided at the support seat 3 to apply force to the limit column 4, so that the front end of the limit column 4 keeps pushing the pin column 5 into the card insertion slot 11. After the unlocking card 7 is inserted into the card insertion slot 11, if the pin column 5 is aligned with the matching hole 71 of the unlocking card 7, it will not be squeezed inward by the unlocking card 7; if the pin column 5 is offset from the matching hole 71 of the unlocking card 7, it will be pushed inward by the unlocking card 7 and move away from the card insertion slot 11.

[0044] In this embodiment, the locking mechanism 2 also includes an unlocking assembly 6 slidably mounted on the support seat 3, which includes a fixed unlocking plate 61 and a push-twist 65. The push-twist 65 extends out of the lock shell 1. In the unlocked state, the push-twist 65 is moved by an external force to drive the transmission member in the lock shell 1, and then drive the lock hook in the lock shell 1 to move and unlock. The transmission member and the lock hook can adopt a conventional structure, which will not be elaborated here. The unlocking plate 61 is provided with a plurality of special-shaped holes 62 for the limit column 4 to pass through one by one. The limit column 4 is provided with a yielding portion 41 and a stop portion 42 arranged along the axial direction. The stop portion 42 is embedded in the aligned special-shaped hole 62 to block the unlocking plate 61 from moving to achieve locking. The yielding portion 41 is embedded in the aligned special-shaped hole 62 to release the blocking of the unlocking plate 61 to achieve unlocking.

[0045] In this embodiment, the end of the limiting column 4 abutting against the pin column 5 is provided with a concave-convex structure, which includes a V-shaped groove 51 provided at the end of the pin column 5 and a V-shaped protrusion 43 provided at the end of the limiting column 4, and the V-shaped protrusion 43 can be aligned and embedded in the V-shaped groove 51. After the limiting column 4 rotates by a preset angle (such as 90°), the V-shaped groove 51 and the V-shaped protrusion 43 are staggered rather than embedded. The rear end of the limiting column 4 is connected with a number-changing member 9 exposed outside the lock shell, and the number-changing member 9 and the limiting column 4 are mutually limited in the circumferential direction to rotate together, and can be relatively displaced in the axial direction; in a natural state, the number-changing member 9 is limited in the rotation direction, and an external force uses a special tool to push the number-changing member 9 inwardly to drive the axial displacement of the relative limiting column 4 to release the restriction and rotate, so as to adjust the end of the limiting column 4 to be embedded or not embedded in the pin column 5, and the outer end of the limiting column 4 is provided with a one-shaped groove, which is rotated with a one-shaped batch 8 tool, and of course, it can actually be changed to a cross groove or a Pozigzag groove. In practice, the positions of the embedded protrusions and grooves can be interchanged, and can also be changed to other shapes, as long as the axial position adjustment of the limiting column 4 can be achieved.

[0046] When the unlocking card 7 is inserted into the card slot 11, the alignment hole 71 of the unlocking card 7 is aligned with / staggered with the pin column 5, and whether the limiting column 4 is embedded in the pin column 5 jointly determines whether the stop portion 42 or the giving portion 41 is embedded in the special-shaped hole 62. In this embodiment, the alignment hole 71 of the unlocking card 7 is aligned with the pin column 5 (that is, the pin column 5 extends into the card slot 11), and the end of the limiting column 4 is embedded in the pin column 5, and the stop portion 42 is embedded in the special-shaped hole 62 to achieve locking. In other cases, the stop portion 42 is staggered with the special-shaped hole 62, and the corresponding limiting column 4 does not limit the unlocking plate 61. It can be understood that the unlocking plate 61 can only slide to unlock when all the limiting columns 4 are not limited to the unlocking plate 61. Therefore, the limiting column 4 can be rotated to make the limiting column 4 and the pin column 5 fit or not fit together to match the different alignment hole 71 positions of the unlocking card 7.

[0047] In this embodiment, the support seat 3 includes a first seat body 32 and a second seat body 33 fixed by screws. The sides of the first seat body 32 and the second seat body 33 that are close to each other are provided with a receiving groove 34 for the unlocking plate 61 to slide therein. The ball column 5 is located in the supporting hole 31 of the first seat body 32, and the sign changing member 9 is located in the supporting hole 31 of the second seat body 33.

[0048] In this embodiment, the special-shaped hole 62 is a long hole, which is arranged along the sliding direction of the unlocking plate 61, and includes a stop hole section 63 and a unlocking hole section 64. The aperture of the stop hole section 63 is larger than the aperture of the unlocking hole section 64. The stop portion 42 is a convex ring integrally formed on the outer side of the limiting column 4. The stop portion 42 can be embedded in the stop hole section 63 and cannot be moved to the unlocking hole section 64; the yielding portion 41 is a ring groove integrally formed on the outer side of the limiting column 4, and the yielding portion 41 can move in the stop hole section 63 and the unlocking hole section 64.

[0049] In this embodiment, a blocking groove 331 is provided in the support hole of the second seat body 33, and a blocking protrusion 92 is provided on the sign-changing member 9. In a natural state, the blocking protrusion 92 is embedded in the blocking groove 331, thereby limiting the circumferential movement of the sign-changing member 9 and preventing it from rotating. External force drives the sign-changing member 9 to move axially so that the blocking protrusion 92 disengages from the blocking groove 331 and releases the circumferential limit. The step cooperation between the blocking protrusion 92 and the blocking groove 331 serves to prevent the sign-changing member 9 from disengaging from the second seat body 33. Specifically, a polygonal directional card groove 45 is provided at the end of the limiting column 4, and the sign-changing member 9 is provided with a polygonal card protrusion 91 inserted into the directional card groove 45 to achieve common rotation, and the card protrusion 91 can move along the depth direction of the directional card groove 45, that is, the axial movement of the limiting column 4.

[0050] Specifically, the spring is sleeved on the outer side of the inner cylinder 44 , one end of the spring abuts against the inner cylinder 44 , and the other end abuts against the outer cylinder 46 , so that the blocking protrusion 92 remains embedded in the blocking groove 331 , and the limiting column 4 remains against the pin column 5 .

[0051] Specifically, the outer side of the ball column 5 is provided with an axially arranged guide protrusion 52, and the support hole 31 is provided with a guide groove, and the guide protrusion 52 is embedded in the guide groove, so that the ball column 5 can slide in the axial direction but be limited in the rotation direction.

[0052] Specifically, the end of the pin column 5 close to the card insertion slot 11 is semicircular, and after the unlocking card 7 is inserted, the pin column 5 can be pushed in the vertical direction.

[0053] In the description of the present invention, it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations.

[0054] Therefore, the above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of the present invention.

[0055] In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0056] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A card-insertion lock that is convenient for changing numbers, characterized by: The invention comprises a lock shell (1) and a locking mechanism (2) located in the lock shell (1), wherein the locking mechanism (2) comprises a supporting seat (3) fixed in the lock shell (1), and the lock shell (1) is provided with a card insertion slot (11) for inserting an external unlocking card (7); The support seat (3) is provided with a plurality of support holes (31), each support hole (31) is provided with a limit column (4) and a pin column (5), and a spring for applying force to the limit column (4) is provided at the support seat (3), so that the front end of the limit column (4) keeps pushing the pin column (5) to penetrate into the card insertion slot (11); The locking mechanism (2) further comprises an unlocking assembly (6) slidably mounted on the support seat (3), comprising an unlocking plate (61) and a push-twist (65) fixed to each other, wherein the push-twist (65) extends out of the lock housing (1); the unlocking plate (61) is provided with a plurality of special-shaped holes (62) for the limiting column (4) to pass through, the limiting column (4) is provided with a yielding portion (41) and a stop portion (42), the stop portion (42) being embedded in the special-shaped hole (62) to block the unlocking plate (61) from moving to achieve locking, and the yielding portion (41) being embedded in the special-shaped hole (62) to release the blocking of the unlocking plate (61) to achieve unlocking; The end of the limiting column (4) abutting against the pin column (5) is provided with a concave-convex embedded structure, the rear end of the limiting column (4) is connected with a number-changing piece (9) exposed outside the lock housing (1), the number-changing piece (9) and the limiting column (4) are mutually limited in the circumferential direction so as to rotate together, and can be relatively displaced in the axial direction; in a natural state, the number-changing piece (9) is limited in the rotation direction, and an external force drives the number-changing piece (9) to displace axially relative to the limiting column (4) to release the restriction and rotate, so as to adjust whether the end of the limiting column (4) is embedded in or not embedded in the pin column (5); When the unlocking card (7) is inserted into the card insertion slot (11), the alignment / misalignment of the positioning hole (71) of the unlocking card (7) with the pin column (5) and whether the limiting column (4) is embedded in the pin column (5) jointly determine whether the stop portion (42) or the yield portion (41) is embedded in the special-shaped hole (62).

2. A card-insertion lock for easy number change according to claim 1, characterized in that: The matching hole (71) of the unlocking card (7) is aligned with the pin column (5), and when the end of the limiting column (4) is embedded in the pin column (5), the stop portion (42) is embedded in the special-shaped hole (62) to achieve locking.

3. The card-insertion lock for easy number change according to claim 1, characterized in that: The special-shaped hole (62) is a long strip hole, which includes a stop hole section (63) and a unlocking hole section (64); the hole diameter of the stop hole section (63) is larger than the hole diameter of the unlocking hole section (64); the stop portion (42) is a convex ring integrally formed on the outer side of the limiting column (4); the stop portion (42) can be embedded in the stop hole section (63) but cannot be moved to the unlocking hole section (64); the yielding portion (41) is a ring groove integrally formed on the outer side of the limiting column (4); the yielding portion (41) can move in the stop hole section (63) and the unlocking hole section (64).

4. The card-insertion lock for easy number change according to claim 1, characterized in that: The support seat (3) comprises a first seat body (32) and a second seat body (33) fixed to each other. The side portions of the first seat body (32) and the second seat body (33) close to each other are provided with a receiving groove (34) for the unlocking plate (61) to slide therein. The pin column (5) is located in the supporting hole (31) of the first seat body (32), and the sign changing member (9) is located in the supporting hole (31) of the second seat body (33).

5. The card-insertion lock for easy number change according to claim 4, characterized in that: A blocking groove (331) is provided in the support hole (31) of the second seat body (33), and a blocking protrusion (92) is provided on the sign-changing member (9). In a natural state, the blocking protrusion (92) is embedded in the blocking groove (331), thereby limiting the circumferential movement of the sign-changing member (9); an external force drives the sign-changing member (9) to move axially so that the blocking protrusion (92) is separated from the blocking groove (331) and the circumferential limit is released.

6. The card-insertion lock for easy number change according to claim 5, characterized in that: The spring is sleeved on the outer side of the limiting column (4), one end of the spring abuts against the limiting column (4), and the other end abuts against the sign-changing member (9), so that the blocking protrusion (92) remains embedded in the blocking groove (331).

7. The card-insertion lock for easy number change according to claim 1, characterized in that: The end of the limiting column (4) is provided with a non-circular directional slot (45), and the number-changing piece (9) is provided with a protrusion (91) inserted into the directional slot (45), and the protrusion (91) can move along the depth direction of the directional slot (45).

8. The card-insertion lock for easy number change according to claim 1, characterized in that: The concave-convex embedded structure comprises a V-shaped groove (51) arranged at the end of the ball column (5) and a V-shaped protrusion (43) arranged at the end of the limiting column (4); the V-shaped protrusion (43) can be aligned and embedded in the V-shaped groove (51); after the limiting column (4) rotates at a preset angle, the V-shaped groove (51) and the V-shaped protrusion (43) are staggered rather than embedded.

9. The card-insertion lock for easy number change according to claim 1, characterized in that: The outer side of the ball column (5) is provided with a guide protrusion (52) arranged in the axial direction, and the support hole (31) is provided with a guide groove, in which the guide protrusion (52) is embedded, so that the ball column (5) can slide in the axial direction but is limited in the rotation direction.

10. The card-insertion lock for easy number change according to claim 1, characterized in that: The end of the pin column (5) close to the card insertion slot (11) is semicircular.

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