TWM596801U - Lock structure with alterable lock core - Google Patents

Abstract

This creation is to provide a lock structure with replaceable lock core, which is mainly composed of a body, a lock core, a swivel seat, a coil spring, a fixed seat and a lock rod. The lock core is set on the body In the accommodating groove, the swivel seat is arranged on the lock core, the coil spring is arranged between the lock core and the swivel seat, the fixed seat is arranged in the concave chamber of the body, and the lock rod is a group Set on the body, the fixed end of the lock lever is positioned in the fixed slot of the body by a fixing pin to prevent the fixed end of the lock lever from coming out of the body, and the movable end of the lock lever is inserted It is set in the movable slot of the body, and the locking rod is locked by two locking steel balls, and the bottom of the fixed end of the locking rod is provided with a compression spring and a blocking rod, the blocking rod extends into the The through hole of the body is provided with a fixing screw in the through hole of the body, and the fixing screw is pressed against the cutting surface of the fixing seat to prevent the fixing seat from being rotated, thus, it is a replaceable lock The lock structure of the heart.

Description

Lock structure with replaceable lock core

This creation is about a lock structure with replaceable lock core.

Press, generally used padlocks or U-shaped locks are mostly provided with a body, the body is provided with a lock core, a lock hook is set on the body, and the lock is hooked to the item to be locked In order to achieve the effect of anti-theft, the lock core is usually inserted into the body with a fixing pin, and the lock core is fixed in the body to prevent the lock core from coming out, and to prevent the thief from fixing If the pin is pulled out to damage the lock, the fixed pin will be smoothed out and cannot be taken out anymore, so as long as the lock core of the conventional lock is assembled in the body, it cannot be removed and replaced; however, when the lock is damaged At this time, the lock core cannot be taken out and replaced at all, and a new pair of locks can only be purchased again, and the old locks are discarded, which is a waste of resources.

The main purpose of this creation is to provide a lock structure with a replaceable lock core, which can effectively solve the defects in the use of conventional locks.

The lock structure with replaceable locks in this creation includes: A body, a receiving groove is provided in the body, an indent groove is provided on the wall surface of the receiving groove, and an outer cavity of the receiving groove is provided with a cavity communicating with the bottom of the body, and the wall surface of the cavity With an internal thread, the top surface of the body is provided with a movable slot and a fixed slot, the bottom of the fixed slot is provided with a through hole, the outer side wall of the body is provided with a perforation communicating with the recess, and the The through hole of the fixing slot communicates with the through hole, the inner end of the hole is set as an inner screw hole, a fixing screw is screwed in the inner screw hole, the movable slot, the fixed slot and the A communicating steel ball accommodating hole is provided between the accommodating grooves. The two locking steel balls are respectively disposed in the two steel ball accommodating holes of the body. A pin hole is provided on the wall surface of the body. There is a fixing pin, the inner end of the fixing pin extends into the fixing slot; A lock core is inserted into the accommodating groove of the body, a rotation shaft is provided at one end of the lock core, a perforation is provided on the rotation shaft, a positioning pin is penetrated through the perforation, and a socket is provided on the lock core , The other end of the lock core is provided with a key hole, an insertion groove is provided on the wall surface of the lock core, and a fixed column is provided in the insertion groove of the lock core and the body; A swivel seat is provided on the lock core and is located in the accommodating groove of the body. The swivel seat is provided with a shaft hole through which the rotation shaft of the lock core is penetrated. The bottom of the swivel seat is provided with a notch, the notch is provided with two retaining surfaces, the wall surface of the swivel seat is provided with a positioning pin hole for the positioning pin of the lock core to be penetrated, and the bottom surface of the swivel seat is provided with a plug hole; A coil spring is arranged between the lock core and the rotary seat, one end of the coil spring is inserted into the socket on the bottom surface of the rotary seat, and the other end of the coil spring is inserted into the plug of the lock core Inside the hole A fixed seat is provided in the concave chamber of the body, the fixed seat is provided with a key insertion hole, an external threaded portion is provided on the wall surface of the fixed seat, and the external threaded portion is relatively provided with two cut surfaces; A lock lever is provided on the body. The lock lever is U-shaped with unequal lengths at both ends. The longer end of the lock lever is set as the fixed end and the shorter end is set as the movable end. The fixed end is It is arranged in the fixed slot of the body, the movable end is arranged in the movable slot of the body, and the opposite inner sides of the two ends of the locking rod are each provided with a locking groove for the locking steel ball to enter, The outer side of the fixed end is provided with all grooves, the cut groove is provided for the fixed pin of the body, the bottom of the fixed end is provided with a retaining edge, the bottom surface of the fixed end is provided with a groove and a socket, a compression The spring is arranged in the groove, one end of a blocking rod is arranged in the insertion hole, and the other end of the blocking rod is penetrated in the through hole of the body.

In this creation, a lock structure with a replaceable lock core is provided, wherein a positioning groove for the end of the rotating shaft of the lock core is provided on the inner surface of the accommodating groove of the body.

This invention creates a lock structure with a replaceable lock core, wherein the movable slot of the body is set as a stepped slot, and a vent hole connected to the bottom of the body is provided at the bottom of the movable slot for the lock lever The movable end can be smoothly inserted into the movable slot of the body.

This invention creates a lock structure with a replaceable lock core, wherein a side wall surface of the body is provided with a through hole communicating with the fixing slot and corresponding to the steel ball receiving hole, and a plug body is provided in the through hole The system closes the through hole.

The creation of the lock structure with a replaceable lock core has the following advantages: different lock cores can be replaced and used in the body as needed to achieve the best anti-theft effect, and only the lock core needs to be replaced when the lock core is damaged, it is not damaged The old body can still be used, which can reduce the waste of resources and save the cost of purchasing new locks.

Regarding the creation of the above-mentioned use purpose and effect, the technical means adopted here are the best and feasible embodiments, and in conjunction with the drawings, the details are as follows:

For the embodiment of this creation, please refer to the first to third figures. The main body 1 is provided with a receiving groove 10 in the body 1. A positioning groove 100 is provided on the inner surface of the receiving groove 10. The outer end of the accommodating groove 10 is provided with a cavity 101 communicating with the bottom of the body 1, the wall surface of the cavity 101 is provided with an internal thread 102, and the wall surface of the accommodating groove 10 is provided with an insertion groove 103, The top surface of the body 1 is provided with a movable slot 11 and a fixed slot 12, the movable slot 11 is set as a stepped slot, the bottom of the movable slot 11 is provided with a vent connected to the bottom of the body 1 A hole 110 is provided at the bottom of the fixed slot 12 with a through hole 120, a hole 13 communicating with the recess 101 is provided on the outer side wall of the body 1, and a through hole 120 of the fixed slot 12 communicates with the hole 13. The inner end of the through hole 13 is set as the inner screw hole 130, a fixing screw 14 is screwed in the inner screw hole 130, the movable slot 11 and the fixing slot 12 and the accommodating slot 10 There is a communicating steel ball accommodating hole 15 between each side, a side wall of the body 1 is provided with a through hole 16 communicating with the fixing slot 12 and corresponding to the steel ball accommodating hole 15, a plug body 17 Located in the through hole 16, a pin hole 18 is provided on the wall surface of the body 1, and a fixed pin 19 is provided in the pin hole 18; two locking steel balls 2 are respectively provided in the two steel ball receiving holes of the body 1 15; a lock core 3 is placed in the accommodating groove 10 of the body 1, one end of the lock core 3 is provided with a rotating shaft 30, the rotating shaft 30 is provided with a perforation 31, a positioning pin 32 is inserted through The through hole 31 is provided with a socket 33 on the lock core 3, a key hole 34 is provided on the other end of the lock core 3, an insertion groove 35 is provided on the wall surface of the lock core 3, and a fixed post 36 is provided on the lock The core 3 and the insertion grooves 35, 103 of the body 1; a swivel seat 4 is provided on the lock core 3 and is located in the accommodating groove 10 of the body 1, the swivel seat 4 is provided with a shaft hole 40, the The wall surface of the swivel base 4 is oppositely provided with all surfaces 41. The bottom of the swivel base 4 is provided with a missing groove 42 which is provided with two retaining surfaces 43 and 44. The wall surface of the swivel base 4 is provided with a A positioning pin hole 45 through which the positioning pin 32 of the lock core 3 is inserted, a hole 46 is provided on the bottom surface of the rotary base 4; a coil spring 5 is provided between the lock core 3 and the rotary base 4, the coil spring One end 50 of 5 is inserted into the socket 46 on the bottom surface of the rotary base 4, the other end 51 of the coil spring 5 is inserted into the socket 33 of the lock core 3; a fixed seat 6 is provided on the In the recess 101 of the body 1, the fixing seat 6 is provided with a key insertion hole 60, and the wall surface of the fixing seat 6 is provided with an external thread portion 61, and the external thread portion 61 is oppositely provided with two cut surfaces 62; a lock lever 7 Is installed on the body 1, the lock rod 7 is U-shaped with unequal length at both ends, the longer end of the lock rod 7 is set as the fixed end 70, and the shorter end is set as the movable end 71, the fixed The end 70 is disposed in the fixed slot 12 of the body 1, the movable end 71 of the lock lever 7 is disposed in the movable slot 11 of the body 1, the opposite ends of the lock lever 7 are opposite Each inner side is provided with a locking groove 72, the fixed end 70 of the lock lever 7 is provided with all grooves 73 on the outer side, the bottom of the fixed end 70 of the lock lever 7 is provided with a retaining edge 74, the lock lever 7 is fixed The bottom of the end 70 is provided with a groove 75 and a socket 76, a compression spring 77 is disposed in the groove 75, one end of a blocking rod 78 is disposed in the socket 76, the other end of the blocking rod 78 It is inserted into the through hole 120 of the body 1, so that it is a lock structure with a replaceable lock core.

When assembling this creation, please refer to the first to third figures. First, set the coil spring 5 on the lock core 3, so that the other end 51 of the coil spring 5 is inserted into the socket 33 of the lock core 3, and then turn The seat 4 is set on the lock core 3 so that the rotating shaft 30 of the lock core 3 passes through the shaft hole 40 of the turn base 4, and one end 50 of the coil spring 5 is inserted into the insertion hole 46 of the turn base 4 to make the coil The spring 5 is provided between the rotating seat 4 and the lock core 3, and then the positioning pin 32 is inserted into the through hole 31 of the rotating shaft 30 of the lock core 3 and inserted into the positioning pin hole 45 by the notch 42 of the rotating seat 4 The positioning pin 32 rests on one of the retaining surfaces 43 of the swivel seat 4, and the fixed post 36 is set in the insertion groove 35 of the lock core 3, and the lock core 3, the coil spring 5 and the swivel seat set above are assembled 4 is put into the accommodating groove 10 of the body 1 together, so that the end of the rotating shaft 30 of the lock core 3 is set into the positioning groove 100 of the body 1, and a part of the fixing post 36 is embedded in the body 1 The mounting groove 10 of the accommodating groove 10 is screwed into the internal thread 102 in the cavity 101 of the body 1 through the external thread 61 to fix the lock core 3 and its related structure to the body 1 In the accommodating groove 10, the fixing screw 14 is inserted into the inner screw hole 130 through the perforation 13 of the body 1 through the tool B, and the inner end of the fixing screw 14 is held against the fixing seat 6 on all the surfaces 62, which can prevent the fixed seat 6 provided in the recess 101 from being rotated and detached from the body 1, the lock core 3 and related structures can be surely set in the accommodating groove 10 of the body 1, and the other two The locking steel ball 2 is inserted into the second steel ball receiving hole 15 of the body 1, and a compression spring 77 is inserted into the groove 75 at the bottom of the fixed end 70 of the locking rod 7, and one end of the blocking rod 78 is inserted into The locking rod 7 is fixed in the socket 76, and then the fixed end 70 of the locking rod 7 is inserted into the fixing slot 12 of the body 1, and the fixing pin 19 is set in the pin hole 18 of the body 1, the fixing pin The inner end of 19 is located in the cut-out 73 of the lock rod 7, the fixed end 70 of the lock rod 7 is fixed in the fixed slot 12 of the body 1, and the plug body 17 is set in the through hole 16 of the body 1 Inside, the plug body 17 closes the through hole 16 so that the whole assembly can be completed.

When using this creation, please refer to the second to fourth pictures. When locking (as shown in the third picture), hook the lock lever 7 to the item to be locked, and then fix the two ends of the lock lever 7 Press into the movable slot 11 and the fixed slot 12 of the body 1, the compression spring 77 is pressed by the fixed end 70 of the lock rod 7 to be elastically compressed, and the two locking steel balls 2 provided in the body 1 are rotated The wall of the seat 4 is pushed outwards and is embedded in the two locking grooves 72 of the locking rod 7 respectively, and the locking of the locking rod 7 is positioned on the body 1, so that the locking operation is completed, and after locking, The fixed end 70 of the lock lever 7 moves down and moves the lower end of the blocking lever 78 down into the through hole 13 of the body 1 to block the fixing screw 14 so that the thief cannot extend into the body 1 from the through hole 13 with the tool B Remove the fixing screw 14 to ensure the anti-theft effect; and when you want to unlock (as shown in the fourth figure), borrow the key A from the key socket 60 of the fixed base 6 and insert it into the key hole 34 of the lock core 3 , Turning the key A drives the rotating shaft 30 of the lock core 3 to rotate, and the rotating shaft 30 is rotated by the positioning pin 32 to rotate the rotating base 4, and the rotating base 4 drives the coil spring 5 to rotate in a torsion state, and the rotating base 4 rotates to make its two cut surfaces 41 pairs are located at the position of the second steel ball receiving hole 15 of the body 1, so that the second locking steel ball 2 has a space to be retracted into the accommodating groove 10 (that is, in the cut surface 41 of the rotary base 4), and the second locking steel ball 2 is released from the lock The locking groove 72 of the lever 7 and the locking steel ball 2 are no longer embedded in the locking groove 72, and the locking lever 7 is pushed upward by the elastic recovery of the compression spring 77 to make the movable end 71 of the locking lever 7 Move up and out of the movable slot 11 of the body 1, and the fixed end 70 is restricted by the fixing pin 19 and will not come out of the fixed slot 12 of the body 1, so that the unlocking action can be completed. Very convenient.

When the creator wants to replace the lock core 3, please refer to the fifth figure, only the lock must be unlocked (that is, the movable end 71 of the lock lever 7 is separated from the movable slot 11 of the body 1), and the lock lever 7 is fixed The blocking rod 78 at the bottom of the end 70 moves upward and no longer blocks the perforation 13 of the body 1, so that the tool B can be extended into the perforation 13 of the body 1 to unscrew the fixing screw 14 to disengage the inner end of the fixing screw 14 The cavity 101 of the body 1 no longer bears against the cut surface 62 of the fixed seat 6, so that the fixed seat 6 can be rotated out of the cavity 101 of the body 1, so that the lock in the accommodating groove 10 of the body 1 can be locked The core 3 and its mutually assembled components are taken out and replaced together, and the other lock core 3 is placed in the accommodating groove 10 of the body 1, and then the fixing seat 6 is screwed into the cavity 101 of the body 1 to The tool B screwed the fixing screw 14 into the inner screw hole 130 of the body 1 again, so that the inner end of the fixing screw 14 again bears against the cut surface 62 of the fixing seat 6 to fix the fixing seat 6 from rotation. In this way, the operation of replacing the lock core 3 can be completed. The replacement of the lock core 3 is extremely convenient. It can be used to replace different lock cores 3 according to the needs of consumers. When the lock core 3 is damaged or you want to replace different lock cores 3, the old body 1 is used. You can replace the new lock core 3 and continue to use it, which can reduce the waste of resources and purchase costs.

In summary, this creation has indeed achieved the intended purpose and efficacy, and is more ideal and practical than the conventional ones. However, the above embodiments are only specific descriptions of the preferred embodiments of this creation. This embodiment is not intended to limit the scope of the patent application for this creation. For example, all equivalent changes and modifications made without departing from the technical means disclosed in this creation should be included in the patent application scope covered by this creation.

1: Ontology 10: accommodating slot 100: positioning groove 101: Alcove 102: internal thread 103: embedded groove 11: Active slot 110: vent 12: fixed slot 120: through hole 13: Perforation 130: inner screw hole 14: fixed screw 15: steel ball receiving hole 16: Through hole 17: Plug 18: pin hole 19: fixed pin 2: Locking steel ball 3: lock heart 30: shaft 31: Piercing 32: positioning pin 33: jack 34: Keyhole 35: Embedded groove 36: fixed column 4: Transposition 40: Shaft hole 41: Cut surface 42: Notch 43, 44: Retaining surface 45: locating pin hole 46: jack 5: coil spring 50: one end 51: the other end 6: fixed seat 60: key jack 61: External thread part 62: cut surface 7: Lock lever 70: fixed end 71: Active side 72: Locking slot 73: Grooving 74: retaining edge 75: groove 76: jack 77: Compression spring 78: blocking rod A: key B: Tool

The first figure shows a three-dimensional exploded view of this creative embodiment. The second figure shows a three-dimensional combination diagram of this creative embodiment. The third figure shows a combined cross-sectional view of this creative embodiment. The fourth figure shows a schematic diagram of the state of the creative embodiment when it is unlocked. The fifth figure shows a schematic diagram of the replacement of the lock core in this creative embodiment.

1: Ontology

10: accommodating slot

100: positioning groove

101: Alcove

102: internal thread

103: embedded groove

11: Active slot

110: vent

12: fixed slot

120: through hole

13: Perforation

130: inner screw hole

14: fixed screw

15: steel ball receiving hole

16: Through hole

17: Plug

18: pin hole

19: fixed pin

2: Locking steel ball

3: lock heart

30: shaft

31: Piercing

32: positioning pin

33: jack

34: Keyhole

35: Embedded groove

36: fixed column

4: Transposition

40: Shaft hole

41: Cut surface

42: Notch

43, 44: Retaining surface

45: locating pin hole

46: jack

5: coil spring

50: one end

51: the other end

6: fixed seat

60: key jack

61: External thread part

62: cut surface

7: Lock lever

70: fixed end

71: Active side

72: Locking slot

73: Grooving

74: retaining edge

75: groove

76: jack

77: Compression spring

78: blocking rod

Claims (4)

A lock structure with replaceable lock core includes: A body, a receiving groove is provided in the body, an indent groove is provided on the wall surface of the receiving groove, and an outer cavity of the receiving groove is provided with a cavity communicating with the bottom of the body, and the wall surface of the cavity With an internal thread, the top surface of the body is provided with a movable slot and a fixed slot, the bottom of the fixed slot is provided with a through hole, the outer side wall of the body is provided with a perforation communicating with the recess, and the The through hole of the fixing slot communicates with the through hole, the inner end of the hole is set as an inner screw hole, a fixing screw is screwed in the inner screw hole, the movable slot, the fixed slot and the A communicating steel ball accommodating hole is provided between the accommodating grooves. The two locking steel balls are respectively disposed in the two steel ball accommodating holes of the body. A pin hole is provided on the wall surface of the body. There is a fixing pin, the inner end of the fixing pin extends into the fixing slot; A lock core is inserted into the accommodating groove of the body, a rotation shaft is provided at one end of the lock core, a perforation is provided on the rotation shaft, a positioning pin is penetrated through the perforation, and a socket is provided on the lock core , The other end of the lock core is provided with a key hole, an insertion groove is provided on the wall surface of the lock core, and a fixed column is provided in the insertion groove of the lock core and the body; A swivel seat is provided on the lock core and is located in the accommodating groove of the body. The swivel seat is provided with a shaft hole through which the rotation shaft of the lock core is penetrated. The bottom of the swivel seat is provided with a notch, the notch is provided with two retaining surfaces, the wall surface of the swivel seat is provided with a positioning pin hole for the positioning pin of the lock core to be penetrated, and the bottom surface of the swivel seat is provided with a plug hole; A coil spring is arranged between the lock core and the rotary seat, one end of the coil spring is inserted into the socket on the bottom surface of the rotary seat, and the other end of the coil spring is inserted into the plug of the lock core Inside the hole A fixed seat is provided in the concave chamber of the body, the fixed seat is provided with a key insertion hole, an external threaded portion is provided on the wall surface of the fixed seat, and the external threaded portion is relatively provided with two cut surfaces; A lock lever is provided on the body. The lock lever is U-shaped with unequal lengths at both ends. The longer end of the lock lever is set as the fixed end and the shorter end is set as the movable end. The fixed end is It is arranged in the fixed slot of the body, the movable end is arranged in the movable slot of the body, and the opposite inner sides of the two ends of the locking rod are each provided with a locking groove for the locking steel ball to enter, The outer side of the fixed end is provided with all grooves, the cut groove is provided for the fixed pin of the body, the bottom of the fixed end is provided with a retaining edge, the bottom surface of the fixed end is provided with a groove and a socket, a compression The spring is arranged in the groove, one end of a blocking rod is arranged in the insertion hole, and the other end of the blocking rod is penetrated in the through hole of the body. A lock structure with a replaceable lock core as described in claim 1, wherein a positioning groove for the rotation shaft end of the lock core is provided on the inner surface of the accommodating groove of the body. The lock structure with a replaceable lock core according to claim 1, wherein the movable slot of the body is set as a stepped slot, and a vent hole communicating with the bottom of the body is provided at the bottom of the movable slot. The lock structure with a replaceable lock core according to claim 1, wherein a through hole communicating with the fixed slot is provided on the side wall surface of the body, and a plug body is provided in the through hole.

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