A telescoping band ejection function mechanical lock cylinder assembly

Abstract

The utility model relates to the field of lockset, concretely is a telescopic band ejection function's mechanical lock core subassembly. Including lock core, unlocking portion, sleeve pipe with spiral groove, this unlocking portion is equipped with the tubular portion of inserting this sleeve pipe, this tubular portion is equipped with the drive pin of inserting this spiral groove, the drive pin is driven the unlocking portion moves up and down with the spiral groove cooperation when the lock core rotates, the tubular portion is slidably connected with the ejection rod extending towards the lock hole, the ejection rod is connected with the third compression spring for driving the ejection rod extrusion the plug separates the lock hole, the ejection rod lower end both sides are equipped with the limit protrusion, the tubular portion is equipped with the limit slot containing the limit protrusion, the limit slot extends from the tubular portion upper portion to the tubular portion lower end end face, the tubular portion lower end is connected with the plug for supporting the third compression spring, the plug is equipped with a pair of clamping arms, the tubular portion lower part is equipped with the clamping groove of using the clamping arm clamping and connecting.

Description

Technical Field

[0001] This utility model relates to the field of locks, specifically a mechanical lock cylinder assembly with a telescopic belt ejection function. Background Technology

[0002] To let bag owners know whether their bags have been opened with a special key using a TSA lock, an indicator block is usually installed inside the lock. The indicator block will change position (switch positions) when the TSA lock is opened, and the bag owner can then know that the bag lock has been opened with a special key (TSA key).

[0003] Publication No. CN215761029U discloses a push-to-open padlock, including a flexible lock beam, a lock case, a button, a lock cylinder assembly, and a combination lock assembly. The button has a keyhole that locks into the movable end of the flexible lock beam, and a pull-out hole that communicates with the keyhole to allow the movable end to be pulled out. The combination lock assembly includes a combination wheel, a dial wheel driven to rotate by the combination wheel, and a wheel axle. The lock cylinder assembly includes a lock cylinder and a rotating tube driven to rotate by the lock cylinder. The rotating part has a push rod for pressing the movable end out of the lock case, and a push-out compression spring is provided between the push rod and the lock cylinder.

[0004] Publication No. CN221422978U discloses a mechanical combination padlock that is easy to install. The outer peripheral surface of the lock cylinder shell has a fixing groove perpendicular to the axis of the lock cylinder shell. The lock body has a first pin hole corresponding to the fixing groove. The lock cylinder shell and the lock body are connected and fixed by a first pin inserted into the fixing groove and the first pin hole. The telescopic sleeve has a second pin hole that accommodates a second pin. The lock cylinder shell has a strip hole along the axis of the lock cylinder shell corresponding to the second pin hole. The second pin passes through the spiral groove and is inserted into the strip hole. The connecting tube has a rotating groove that accommodates part of the first pin.

[0005] In the first prior art, a rotating recess is made in the rotating tube. Although the structure is relatively simple, the single-lock rotating tube can only be unlocked by rotation. In the second prior art, the unlocking part is unlocked by moving up and down, but it cannot automatically pop out the lock beam. Utility Model Content

[0006] The purpose of this utility model is to provide a mechanical lock cylinder assembly with a telescopic belt ejection function, wherein the unlocking part achieves unlocking and locking by moving up and down.

[0007] To achieve the above objectives, this utility model provides a mechanical lock cylinder assembly with a telescopic push-out function, including a lock cylinder, an unlocking part, and a sleeve with a spiral groove. The unlocking part has a tubular portion that inserts into the sleeve, and the tubular portion has a drive pin that inserts into the spiral groove. When the lock cylinder rotates, the drive pin cooperates with the spiral groove to drive the unlocking part to move up and down. The tubular portion is slidably connected to a push-out rod extending toward the lock hole. The push-out rod is connected to a third compression spring for driving the push-out rod to squeeze the plug out of the lock hole. The lower end of the push-out rod has limiting protrusions on both sides, and the tubular portion has a limiting groove for accommodating the limiting protrusions. The limiting groove extends downward from the upper part of the tubular portion to the lower end face of the tubular portion. The lower end of the tubular portion is connected to a plug for supporting the third compression spring. The plug has a pair of snap-fit ​​arms, and the lower part of the tubular portion has a snap-fit ​​groove for engaging and connecting with the snap-fit ​​arms.

[0008] In one embodiment of the present invention, the position of the snap-fit ​​arm corresponds to the position of the snap-fit ​​slot, and the snap-fit ​​arm portion is accommodated within the snap-fit ​​slot.

[0009] In one embodiment of this utility model, the plug has a pin hole corresponding to the drive pin, and the tubular part has a through hole communicating with the pin hole.

[0010] In one embodiment of this utility model, the lower inner wall of the sleeve is provided with a connecting protrusion, and the lock cylinder is provided with a mating protrusion that cooperates with the connecting protrusion.

[0011] In one embodiment of this utility model, the plug is further provided with a first spring fixing post into which the third compression spring is inserted.

[0012] In one embodiment of this utility model, the lower end of the ejector rod is provided with a second spring fixing post into which the third compression spring is inserted.

[0013] In one embodiment of this utility model, the plug is made of plastic.

[0014] In one embodiment of this utility model, the ejector rod and the sleeve are made of metal.

[0015] In one embodiment of this utility model, the unlocking part is a wedge-shaped structure.

[0016] In this invention, the unlocking part achieves unlocking and locking by moving up and down. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the mechanical lock core assembly with telescopic belt ejection function according to the first embodiment of this utility model.

[0018] Figure 2 for Figure 1Exploded view of the mechanical lock cylinder assembly with telescopic belt ejection function.

[0019] Figure 3 for Figure 2 A schematic diagram of the locking arm.

[0020] Figure 4 for Figure 2 A schematic diagram of the button's structure.

[0021] Figure 5 for Figure 2 A schematic diagram of the structure of the indicator block and indicator part.

[0022] Figure 6 for Figure 2 Exploded view of the lock cylinder assembly.

[0023] Figure 7 for Figure 1 A cross-sectional view of the mechanical lock cylinder assembly with telescopic belt ejection function.

[0024] Figure 8 for Figure 1 A cross-sectional view of the mechanical lock cylinder assembly with telescopic belt ejection function from another direction. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-8The first embodiment of this utility model provides a mechanical lock cylinder assembly with a telescopic push-out function, including a button 1, a lock body 2, a flexible lock beam 3, a mechanical lock cylinder assembly 4, and a combination wheel assembly 5. One end of the flexible lock beam 3 is connected and fixed to the lock body 2, and the other end is provided with a plug 31 that can be inserted into the lock hole of the lock body 2. The plug 31 has an annular recess 310. When the combination wheel assembly 5 is unlocked, the button 1 can be pressed down to unlock. When the combination wheel assembly 5 is locked, the button 1 is restricted from being pressed down. The lock body 2 is provided with a pair of locking arms 6 for engaging the annular recess 310, a first compression spring 6t for keeping the locking arms 6 engaged with the annular recess 310, and an indicator block 7 located between the mechanical lock cylinder assembly and the combination wheel assembly 5 and below the locking arms 6. The indicator block 7 has an indicator part 71. The lock body 2 has a window 21 corresponding to the indicator 71. The button 1 has a downward-extending abutment 12 that passes through the pair of locking arms 6. The middle of the button 1 has an opening part 13 for pressing the pair of locking arms 6 to open and unlock. The abutment 12 abuts against the upper end of the wheel axle 51 of the combination wheel assembly 5. When the button 1 is pressed down to unlock, the abutment 12 can press the indicator 71 block, causing the indicator 71 to move down and away from the window 21 from the mechanical unlocking record position to the holding position. The mechanical lock cylinder assembly 4 has an unlocking part 41 that can move upward to press the pair of locking arms 6 to open and unlock. The unlocking part 41 also has a pressing part 411 extending downward toward the indicator block 7. When the unlocking part 41 moves upward to unlock, the pressing part 411 can press the indicator block 7 from the holding position to the mechanical unlocking record position. The combination wheel assembly 5 uses the same combination wheel mechanism as CN114233117A, which will not be described in detail here.

[0027] The opening part 13 is provided with a compression guide surface 130, and the locking arm 6 is provided with a mating guide surface 60 that cooperates with the compression guide surface 130.

[0028] The mechanical lock cylinder assembly 4 has a fixed sleeve 42 with a spiral groove 421. The unlocking part 41 has a tubular portion 43 that inserts into the sleeve 42. The tubular portion 43 has a drive pin 44 that inserts into the spiral groove 421. When the lock cylinder rotates, the drive pin 44 cooperates with the spiral groove 421 to drive the unlocking part 41 to move upward. The unlocking part 41 is slidably connected to the lock body 2, and the rotation of the unlocking part 41 is restricted.

[0029] There is a pair of indicator parts 71. The indicator block 7 has a through hole 70 for accommodating the indicator parts 71. A second compression spring 7t is provided between the pair of indicator parts 71. The lock body 2 has a retaining recess 201 corresponding to the indicator parts 71 in the retaining position. The indicator parts 71 are spherical. When in the retaining position, the indicator parts 71 are partially accommodated in the retaining recess 201. When in the mechanical unlocking recording position, the indicator parts 71 are partially accommodated in the window 21.

[0030] The first compression spring 6t is located between the right ends of a pair of locking arms 6, and the right end of the locking arm 6 is provided with a spring fixing part 61 into which the first compression spring 6t is inserted.

[0031] The locking arm 6 has a semi-circular recess 62 in the middle for rotating connection with the lock body 2, and the lock body 2 has a semi-circular protrusion 202 that is accommodated in the semi-circular recess 62.

[0032] Button 1 is provided with an anti-falling protrusion 11 that can abut against the inner wall of lock body 2.

[0033] Keep the depression 201 as a hemispherical depression.

[0034] When the indicator block 7 is in the holding position, it abuts against the pressing part 411; when the indicator block 7 is in the mechanical unlocking recording position, it abuts against the abutting part 12.

[0035] The plug 46 is also provided with a first spring fixing post 462 into which the third compression spring is inserted. The lower end of the ejector rod 45 is provided with a second spring fixing post 452 into which the third compression spring is inserted.

[0036] The tubular portion 43 is slidably connected to an ejector rod 45 extending toward the lock hole. The ejector rod 45 is connected to a third compression spring 4t for driving the ejector rod 45 to press the plug 31 out of the lock hole. A plug 46 for supporting the third compression spring 4t is connected to the lower end of the tubular portion 43. The plug 46 has a pair of locking arms 461. The lower part of the tubular portion 43 has a locking groove 430 for engaging with the locking arms 461. Limiting protrusions 451 are provided on both sides of the lower end of the ejector rod 45. The tubular portion 43 has a limiting groove 431 for accommodating the limiting protrusions 451. The limiting groove 431... The upper part of the tubular part 43 extends downward to the lower end face of the tubular part 43. The position of the snap-fit ​​arm 461 corresponds to the position of the snap-fit ​​groove 430. The snap-fit ​​arm 461 is partially accommodated in the snap-fit ​​groove 430. The plug 46 has a pin hole 460 corresponding to the drive pin 44. The tubular part 43 has a through hole 4301 communicating with the pin hole 460. The lower inner wall of the sleeve 42 has a connecting protrusion 422. The lock cylinder 47 has a mating recess 471 that mates with the connecting protrusion 421. The upper end of the sleeve 42 abuts against the support part 203 of the lock body 2, and the lower end of the sleeve 42 abuts against the lock cylinder 471.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A telescopic mechanical lock cylinder assembly with an ejector function, comprising a lock cylinder, an unlocking part, and a sleeve with a spiral groove, wherein the unlocking part has a tubular portion that inserts into the sleeve, and the tubular portion has a drive pin that inserts into the spiral groove; when the lock cylinder rotates, the drive pin engages with the spiral groove to drive the unlocking part to move up and down, characterized in that... The tubular portion is slidably connected to an ejector rod extending toward the lock hole of the mechanical lock cylinder assembly. The ejector rod is connected to a third compression spring for driving the ejector rod to press the plug of the flexible lock beam out of the lock hole. Limiting protrusions are provided on both sides of the lower end of the ejector rod. The tubular portion is provided with a limiting groove to accommodate the limiting protrusions. The limiting groove extends downward from the upper part of the tubular portion to the lower end face of the tubular portion. A plug for supporting the third compression spring is connected to the lower end of the tubular portion. The plug is provided with a pair of snap-fit ​​arms. The lower part of the tubular portion is provided with a snap-fit ​​groove for engaging and connecting with the snap-fit ​​arms.

2. The mechanical lock cylinder assembly with telescopic belt ejection function according to claim 1, characterized in that, The position of the latching arm corresponds to the position of the latching slot, and the latching arm portion is accommodated within the latching slot.

3. The mechanical lock cylinder assembly with telescopic belt ejection function according to claim 2, characterized in that, The plug has a pin hole corresponding to the drive pin, and the tubular part has a through hole communicating with the pin hole.

4. The mechanical lock cylinder assembly with telescopic belt ejection function according to claim 3, characterized in that, The lower inner wall of the sleeve is provided with a connecting protrusion, and the lock cylinder is provided with a mating protrusion that cooperates with the connecting protrusion.

5. The mechanical lock cylinder assembly with telescopic belt ejection function according to claim 4, characterized in that, The plug is also provided with a first spring fixing post into which the third compression spring is inserted.

6. The mechanical lock cylinder assembly with telescopic belt ejection function according to claim 5, characterized in that, The lower end of the ejector rod is provided with a second spring fixing post into which the third compression spring is inserted.

7. The mechanical lock cylinder assembly with telescopic belt ejection function according to claim 6, characterized in that, The plug is made of plastic.

8. The mechanical lock cylinder assembly with telescopic belt ejection function according to claim 1, characterized in that, The ejector rod and the sleeve are made of metal.

9. The mechanical lock cylinder assembly with telescopic belt ejection function according to claim 1, characterized in that, The unlocking part has a wedge-shaped structure.

Images