CN218150327U

CN218150327U - Simple coded lock

Info

Publication number: CN218150327U
Application number: CN202222579480.4U
Authority: CN
Inventors: 刘祖学; 刘宏灵
Original assignee: Hebei Xianghong Luggage Accessories Manufacturing Co ltd
Current assignee: Hebei Xianghong Luggage Accessories Manufacturing Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-12-27
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a simple and easy type trick lock, including hook seat, trick lock main part and upset seat, the trick lock main part includes shell, bottom plate, trick lock subassembly, two buttons and button reset spring, and the trick lock subassembly includes password wheelset, switch shell fragment, a reset spring, trick lock subassembly, button and button reset spring install in the shell cavity, two buttons distribute in opposite directions to movably install on the bottom plate respectively, the shell is stretched out respectively to the outer end of button, is equipped with button reset spring between two buttons, and when the password is correct, the password wheelset can be relieved the bellied restriction of shell fragment on the switch shell fragment, and the switch shell fragment upwards bounces, and button ability moves down respectively under the exogenic action, thereby makes hook block and hook seat separation, realizes unblanking. The utility model has the advantages of simple structure, the compactness, spare part is less, convenient operation, and the practicality is strong, moves reliable and stable, and the security performance is good.

Description

Simple coded lock

Technical Field

The utility model relates to a technical field of case and bag tool to lock, more specifically say, relate to a simple and easy type trick lock.

Background

Along with the continuous improvement of people's living standard, people's trip number of times is more and more, and people all can carry with one's hand the case and bag and be used for adorning luggage when going out, in order to prevent that luggage is stolen to be opened, people set up trick lock on the case and bag usually.

However, most case and bag trick locks on the market at present are complicated in structure, and whole spare part is in large quantity, and the assembly is loaded down with trivial details, operates inconveniently, and operating stability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a simple and easy type trick lock.

In order to achieve the above object, the present invention provides a simple combination lock, which comprises a hook seat, a combination lock body mutually matched with the hook seat, and a turning seat for installing the combination lock body, wherein lock hooks are arranged on two sides of the surface of the hook seat, one end of the combination lock body is rotatably connected with the turning seat, the combination lock body comprises a shell, a bottom plate, a combination lock assembly, two keys and a key reset spring, the bottom plate is arranged on the back of the shell, the combination lock assembly, the keys and the key reset spring are arranged in a cavity of the shell, the combination lock assembly comprises a combination wheel set, a switch elastic sheet and a first reset spring, the combination wheel set is arranged between the switch elastic sheet and the shell, a plurality of limit holes corresponding to the combination wheel set are arranged in the middle of the switch elastic sheet, elastic sheet protrusions are arranged on a partition plate of adjacent limit holes, the elastic sheet protrusions are arranged side by side, a switch notch matched with the elastic sheet protrusions is arranged on the combination wheel, the utility model discloses a switch shell fragment is kept away from one end of upset seat and is equipped with the stop part of perk and carry on spacingly to the spacing mesa of button respectively, one side that the bottom of switch shell fragment is close to the upset seat is equipped with two spring fastening projections respectively, first reset spring butt respectively between the spring fastening projection and the bottom plate of switch shell fragment, the latch hook through-hole that can supply the latch hook to pass is seted up to the bottom plate both sides, the button through-hole that the both sides of shell were seted up is stretched out respectively to the outer end of button, the button bottom is equipped with spacing mesa, the through-hole that can supply the latch hook to pass is seted up at the button middle part, be equipped with the hook piece in the through-hole, latch hook on the hook seat can pass and stretch into in the through-hole of button after the latch hook through-hole of bottom plate mutually with the hook piece, button reset spring transversely installs respectively at the button reset spring spacing head that the button inboard was equipped with and the shell back that the reset spring that the button was equipped with back was equipped with Between the spacing seat, set up the password wheel through-hole that supplies the password wheel to wear out on the shell, when the wrong locking state of password, the stop part of switch shell fragment can carry out spacing the blockking to the spacing mesa of button, makes the button can't move inwards, and when the exact unblock state of password, the protruding homoenergetic of a plurality of shell fragments of switch shell fragment is embedded into the switch breach, and the switch shell fragment upwards overturns under first reset spring's elastic action, makes the stop part can not block the button and moves inwards.

Preferably, one end of the coded lock main body is rotatably connected with the overturning seat through a rotating shaft, and a second return spring is arranged between the bottom of the overturning seat and the shell.

Preferably, the password wheelset includes password wheel, axle sleeve, lock dabber, the axle sleeve is located the centre bore at the password wheel that corresponds separately respectively, the password wheel is put on the lock dabber through the axle sleeve cover and is arranged along the axial direction of lock dabber, the quantity of axle sleeve equals with the quantity of password wheel, the axle sleeve outside evenly is equipped with the strip arch with password wheel equal proportion, and has seted up the switch breach at the bellied edge of strip, set up the screens of a plurality of annular distribution on the password wheel inner wall, the axle sleeve inserts in the screens and with password wheel looks joint through the strip arch to be connected with the password wheel and can follow the password wheel and rotate.

Preferably, the combination lock assembly further comprises a code adjusting spring and a code adjusting deflector rod switch, a limiting convex ring is fixed at one end of the lock core shaft, the code adjusting spring penetrates through the lock core shaft and is installed on one side of the limiting convex ring, the code adjusting deflector rod switch is installed at the other end of the lock core shaft, a sleeving ring is arranged on the code adjusting deflector rod switch, a deflector rod is arranged on one side of the code adjusting deflector rod switch, the code adjusting deflector rod switch is sleeved on the lock core shaft through the sleeving ring, and the deflector rod penetrates through a through hole formed in the bottom plate.

Preferably, the outer wall of the password wheel is provided with a positioning groove between two adjacent numbers, and the bottom plate is provided with a positioning sheet for being placed in the corresponding positioning groove.

Preferably, the bottom of the hook seat is provided with a first screw hole, the bottom of the turnover seat is provided with a second screw hole, the bottom plate is provided with a third screw hole, and the lock screw penetrates through the third screw hole to be connected with a threaded column at the back of the cover shell.

Preferably, the bottom plate is provided with a buckle, the back of the shell is provided with a clamping hole, and the bottom plate is clamped into the clamping hole through the buckle so as to be mounted on the back of the shell.

Preferably, the hook base is provided with a positioning bump for positioning, and the bottom plate is provided with a positioning hole for inserting the positioning bump.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model has the advantages of simple structure, it is compact, spare part is less, high durability and convenient operation, therefore, the clothes hanger is strong in practicability, the operation is reliable and stable, the security performance is good, when the wrong locking state of password, switch elastic piece's stop part can carry out spacing the blockking to the spacing mesa of button, make the button can't move inwards unblank, when the right unblock state of password, switch elastic piece's a plurality of shell fragment archs homoenergetic are embedded into the switch breach, switch elastic piece upwards overturns under first reset spring's elastic action, make the stop part can not block the button and move inwards, as long as press the button this moment can overturn the trick lock main part and make it break away from the hook seat, realize unblanking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a simple combination lock according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a combination lock body and a hook seat of a simple combination lock according to an embodiment of the present invention;

fig. 3 is a schematic view of a switch spring plate structure of a simple combination lock according to an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a simple combination lock according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of a combination wheel set of a simple combination lock according to an embodiment of the present invention;

fig. 6 is a schematic bottom structure view of a simple combination lock according to an embodiment of the present invention;

fig. 7 is a schematic view of a housing structure of a simple combination lock according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 7, an embodiment of the present invention provides a simple combination lock, which includes a hook base 1, a combination lock body 2 cooperating with the hook base 1, and a turning base 3 for mounting the combination lock body 2, and the following describes each component of the present embodiment in detail with reference to the accompanying drawings.

Hook 11 that is used for hook trick lock main part 2 is equipped with in the surperficial both sides of hook seat 1, and the one end of trick lock main part 2 rotates with upset seat 3 to be connected, and hook seat 1 mountable is on one side of the edge that opens and shuts of box, and the mountable of upset seat 3 is on the opposite side of the edge that opens and shuts of box.

Preferably, the bottom of the hook base 1 may be provided with a first lock screw hole 13, and the bottom of the roll-over base 3 may be provided with a second lock screw hole 33, which are matched with the first lock screw hole 12 of the hook base 1 and the second lock screw hole 33 of the roll-over base 3, respectively, by screws, so as to install the hook base 1 and the roll-over base 3 on the corresponding installation surfaces.

The base plate 22 is mounted on the back of the housing 21. Preferably, the bottom plate 22 may be provided with a buckle 225, the back of the housing 21 may be provided with a buckle hole 215, the bottom plate 22 is clamped in the buckle hole 215 through the buckle 225, the bottom plate 22 is further provided with a third screw hole 222, and the locking screw passes through the third screw hole 222 to be connected with the threaded post 214 at the bottom of the housing 21, so as to be mounted at the back of the housing 21.

As shown in fig. 1 to 4, the combination lock body 2 includes a housing 21, a bottom plate 22, a combination lock assembly 23, two keys 24 and a key return spring 25, the bottom plate 22 is installed on the back of the housing 21, the combination lock assembly 23, the keys 24 and the key return spring 25 are installed in a cavity of the housing 21, the combination lock assembly 23 includes a combination wheel set 5, a switch elastic sheet 6, a first return spring 7, the combination wheel set 5 is installed between the switch elastic sheet 6 and the housing 21, a plurality of limiting holes 61 corresponding to the combination wheel set 5 are arranged in the middle of the switch elastic sheet 6, an elastic sheet protrusion 62 is arranged on a partition plate of each adjacent limiting hole 61, the plurality of elastic sheet protrusions 62 are arranged side by side, a raised blocking portion 63 is arranged at one end of the switch elastic sheet 6 far away from the flip base 3 to limit the limit table top of the keys 24, two spring fixing convex columns 64 are arranged on one side of the bottom of the switch elastic sheet 6 close to the flip base 3, the first return spring 7 abuts between the spring fixing convex columns 64 of the switch elastic sheet 6 and the bottom plate 22, and a through hole 212 for the password wheel 51 to pass through is arranged on the housing 21.

As shown in fig. 5, the combination wheel set 5 may include three combination wheels 51, three bushings 52, and lock mandrels 53, the bushings 52 are respectively located in the central holes of the respective combination wheels 51, the combination wheels 51 are sleeved on the lock mandrels 53 through the bushings 52 and are arranged along the axial direction of the lock mandrels 53, the number of the bushings 52 is equal to the number of the combination wheels 51, wherein the number of the combination wheels 51 may vary according to actual situations, and the number of the combination wheels 51 is not limited in this embodiment.

Specifically, the elastic sheet protrusion 62 is provided with a switch notch 522 which is matched with the elastic sheet protrusion and is positioned on the password group wheel 5, the outer part of the shaft sleeve 52 is uniformly provided with a strip-shaped protrusion 521 which is in equal proportion to the password wheel, the switch notch 522 is arranged at the edge of the strip-shaped protrusion 521, the inner wall of the password wheel 51 is provided with a plurality of clamping positions 511 which are distributed annularly, and the shaft sleeve 52 is inserted into the clamping positions 511 through the strip-shaped protrusion 521 and is clamped with the password wheel 51, so that the shaft sleeve 52 is connected with the password wheel 51 and can rotate along with the password wheel 51. In order to prevent the password wheel from rotating unnecessarily, the outer wall of the password wheel 51 is provided with a positioning groove 512 between two adjacent numbers, the bottom plate 22 is provided with a positioning piece 224 for placing in the corresponding positioning groove 512, and the positioning of the password wheel 51 is realized by placing the tail end of the positioning piece 224 into the positioning groove 512.

The combination lock assembly 23 further comprises a combination adjusting spring 54 and a combination adjusting lever switch 55, a limiting convex ring 531 is fixed at one end of the lock core shaft 53, the combination adjusting spring 54 passes through the lock core shaft 53 and is installed at one side of the limiting convex ring 531, the combination adjusting lever switch 55 is installed at the other end of the lock core shaft 53, the combination adjusting lever switch 55 is provided with a sleeve ring 551, a lever 552 is arranged at one side of the combination adjusting lever switch 55, the combination adjusting lever switch 55 is sleeved on the lock core shaft 53 through the sleeve ring 551, and the lever 552 passes through a through hole 221 formed in the bottom plate 22, so that the combination lock assembly 23 is fixed on the bottom plate 22.

Preferably, the one end of trick lock main part 2 is connected with upset seat 3 rotation through pivot 32, is provided with second reset spring 31 between upset seat 3 bottom and the shell 21, and in other embodiments, trick lock main part 2 can realize being connected with upset seat 3 rotation through other connected mode, and non-embodiment is the limit.

As shown in fig. 6, two lock hook through holes 226 for the lock hook 11 to pass through are formed in two sides of the bottom plate 22, the two keys 24 are distributed in opposite directions and movably mounted on the bottom plate 22 respectively, the outer ends of the keys 24 extend out of the key through holes 211 formed in two sides of the housing 21 respectively, a through hole for the lock hook 11 to pass through is formed in the middle of the key 24, a hook block 241 is arranged in the through hole, the lock hook 11 on the hook base 1 can pass through the lock hook through hole 226 of the bottom plate 22 and then extend into the through hole of the key 24 to be hooked with the hook block 241, so that the lock body 2 and the hook base 1 are fastened together.

The key return springs 25 are transversely installed between the key return spring stopper 242 provided on the inner side of the key 24 and the return spring stopper 213 provided on the back of the housing 21.

Preferably, the hook base 1 is provided with a positioning protrusion 12 for positioning, and the bottom plate 22 is provided with a positioning hole 223 for inserting the positioning protrusion 12, so as to perform a positioning function between the hook base 1 and the combination lock body 2.

The working principle of the embodiment is as follows:

when the password is in the wrong locking state, the clamping position of the password wheel 51 is clamped with the strip-shaped protrusion 521 of the shaft sleeve 52, the shaft sleeve 52 is abutted against the elastic sheet protrusion 62 of the switch elastic sheet 6, so that the switch elastic sheet 6 is pressed down, the blocking part 63 of the switch elastic sheet 6 carries out limiting blocking on the limiting table surface 243 of the key 24, the key 24 cannot move inwards, and the locking state is achieved at the moment.

When the password is in the correct unlocking state, the plurality of switch notches 522 of the shaft sleeve 52 can be embedded into the elastic sheet bulge 62 of the switch elastic sheet 6, the shaft sleeve 52 moves on the lock core shaft 53, the switch elastic sheet 6 turns upwards under the elastic action of the first return spring 7, the blocking part 63 of the switch elastic sheet 6 releases the limit of the limit table surface 243 of the key 24, at the moment, a user presses the key 24 to move the key 24 inwards, and the lock hook 11 of the hook seat 4 is separated from the hook block 241 of the key 24, so that the unlocking can be realized.

To sum up, the utility model has the advantages of simple structure, compactness, spare part is less, convenient operation, and the practicality is strong, moves reliable and stable, and the security performance is good.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all should be included in the protection scope of the present invention.

Claims

1. A simple coded lock is characterized in that: the coded lock comprises a hook seat (1), a coded lock body (2) mutually matched with the hook seat (1) and a turnover seat (3) for installing the coded lock body (2), wherein lock hooks (11) are arranged on two sides of the surface of the hook seat (1), one end of the coded lock body (2) is rotatably connected with the turnover seat (3), the coded lock body (2) comprises a shell (21), a bottom plate (22), a coded lock assembly (23), two keys (24) and a key reset spring (25), the bottom plate (22) is arranged on the back of the shell (21), the coded lock assembly (23), the keys (24) and the key reset spring (25) are arranged in a cavity of the shell (21), the coded lock assembly (23) comprises a wheel set coded lock piece (5), a switch elastic piece (6) and a first reset spring (7), the coded wheel set (5) is arranged between the switch elastic piece (6) and the shell (21), a plurality of limiting holes (61) corresponding to the wheel set (5) are arranged in the middle of the coded lock assembly (6), a plurality of protruding wheel sets a plurality of protruding elastic pieces (62) on a spacing plate of adjacent limiting holes (61), and a plurality of protruding wheel sets a plurality of protruding elastic pieces (522) side by side, and a plurality of protruding elastic pieces (62) and a plurality of protruding wheel set of protruding elastic pieces (62) are arranged on the protruding elastic pieces (522) matched with a plurality of protruding wheel set of protruding elastic pieces (62) arranged on the coded lock piece (62) side by side, the one end that upset seat (3) was kept away from to switch shell fragment (6) is equipped with stop part (63) of perk, one side that the bottom of switch shell fragment (6) is close to upset seat (3) is equipped with two spring fixing projection (64) respectively, first reset spring (7) respectively the butt between spring fixing projection (64) and bottom plate (22) of switch shell fragment (6), latch hook through-hole (226) that can supply latch hook (11) to pass are seted up to bottom plate (22) both sides, two button (24) distribute in opposite directions to movably install respectively on bottom plate (22), button through-hole (211) that the both sides that shell (21) were seted up are stretched out respectively to the outer end of button (24), button (24) bottom is equipped with spacing mesa (243), the through-hole that can supply latch hook (11) to pass is seted up at button (24) middle part, be equipped with hook block (241) in the through-hole, latch hook (11) on hook seat (1) stretch into button (241) behind the latch hook through-hole (226) of bottom plate (22) and the button (241) through-hole mutually with button block (241), the inboard reset spring (213) back that reset spring (21) had respectively is equipped with limit hook head (213), offer password wheel through-hole (212) that confession password wheel (51) were worn out on shell (21), when the wrong locking state of password, spacing mesa (243) of button (24) can be carried out spacing to stop in stop part (63) of switch shell fragment (6), make button (24) can't move inwards, when the exact unblock state of password, in switch breach (522) can be embedded into in a plurality of shell fragments arch (62) of switch shell fragment (6), switch shell fragment (6) upwards overturn under the elastic action of first reset spring (7), make stop part (63) can not stop button (24) and move inwards.

2. A simple combination lock according to claim 1, wherein: one end of the coded lock body (2) is rotatably connected with the overturning seat (3) through a rotating shaft (32), and a second reset spring (31) is arranged between the bottom of the overturning seat (3) and the shell (21).

3. A simple combination lock as defined in claim 1, wherein: password wheelset (5) are including password wheel (51), axle sleeve (52), locking mandrel (53), axle sleeve (52) are located respectively in the centre bore of password wheel (51) that corresponds separately, password wheel (51) are put on locking mandrel (53) and are arranged along the axial direction of locking mandrel (53) through axle sleeve (52) cover, the quantity of axle sleeve (52) equals with the quantity of password wheel (51), axle sleeve (52) outside evenly is equipped with strip arch (521) with password wheel equal proportion, switch breach (522) are seted up in the edge of strip arch (521), screens (511) that a plurality of annular distributes have been seted up on password wheel (51) inner wall, axle sleeve (52) insert screens (511) in through strip arch (521) and with password wheel (51) looks joint to be connected with password wheel (51) and can follow password wheel (51) and rotate.

4. A simple combination lock according to claim 3, wherein: the automatic code adjusting device is characterized by further comprising a code adjusting spring (54) and a code adjusting deflector rod switch (55), wherein a limiting convex ring (531) is fixed at one end of the lock core shaft (53), the code adjusting spring (54) penetrates through the lock core shaft (53) to be installed on one side of the limiting convex ring (531), the code adjusting deflector rod switch (55) is installed at the other end of the lock core shaft (53), a sleeving ring (551) is arranged on the code adjusting deflector rod switch (55), a deflector rod (552) is arranged on one side of the code adjusting deflector rod switch, the code adjusting deflector rod switch (55) is sleeved on the lock core shaft (53) through the sleeving ring (551), and the deflector rod (552) penetrates through a through hole (221) formed in the bottom plate (22).

5. A simple combination lock according to claim 1, wherein: the outer wall of the password wheel (51) is provided with a positioning groove (512) between two adjacent numbers, and the bottom plate (22) is provided with a positioning sheet (224) for being placed in the corresponding positioning groove (512).

6. A simple combination lock as defined in claim 1, wherein: the bottom of hook seat (1) is equipped with first screw hole (13), the bottom of upset seat (3) is equipped with second screw hole (33), be equipped with third screw hole (222) on bottom plate (22), the lock screw passes third screw hole (222) and is connected with screw thread post (214) at shell (21) back.

7. A simple combination lock as defined in claim 1, wherein: the bottom plate (22) is provided with a buckle (225), the back of the shell (21) is provided with a clamping hole (215), and the bottom plate (22) is clamped into the clamping hole (215) through the buckle (225) so as to be installed on the back of the shell (21).

8. A simple combination lock according to claim 1, wherein: the hook seat (1) is provided with a positioning lug (12) for positioning, and the bottom plate (22) is provided with a positioning hole (223) for inserting the positioning lug (12).