Lock body structure of anti-theft lock

Abstract

The lock body structure comprises a lock shell, a windproof lock tongue and a horizontal anti-theft lock tongue are arranged on the front side of the lock shell, and an upper anti-theft lock tongue connecting rod and a lower anti-theft lock tongue connecting rod are vertically arranged on the rear side of the lock shell in a sliding mode. An anti-theft lock tongue transmission gear and a windproof lock tongue transmission gear are concentrically and rotationally arranged in the middle of the lock shell and matched with a driving gear on the driving motor / lock cylinder, and an idling notch enabling the driving motor / lock cylinder to relatively idle is formed in the edge of one end of the anti-theft lock tongue transmission gear. A first hinge piece hinged to the horizontal anti-theft lock tongue, a second hinge piece hinged to the upper anti-theft lock tongue lock connecting rod and a third hinge piece hinged to the lower anti-theft lock tongue connecting rod are hinged to the anti-theft lock tongue transmission gear. A push rod of the windproof spring bolt transmission gear is linked with the windproof spring bolt through a transmission piece; the internal structure of the anti-theft lock body is simplified, and operation is easy and convenient; the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of door locks, and more specifically, to a lock body structure of an anti-theft lock. Background Art

[0002] Anti-theft doors generally refer to doors equipped with anti-theft locks, which can resist abnormal opening under certain conditions within a certain period of time and have strong security protection performance. They are generally used for entrance doors.

[0003] The anti-theft lock not only needs to lock the open side of the door leaf to the door frame, but also needs to lock the upper and lower ends of the door leaf to the top and bottom of the door frame through the reverse locking tongue; in order to strengthen the anti-theft strength of the door leaf, thereby improving the security protection performance of the anti-theft door;

[0004] Because the anti-theft lock needs to lock the door leaf in multiple directions, the lock body of the anti-theft lock needs to realize the synchronous locking and unlocking of the multi-directional anti-theft lock tongue; in order to realize the multi-directional locking function of the anti-theft lock, the internal structure of the existing anti-theft lock is relatively complex and the production cost is relatively high. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a lock body structure of an anti-theft lock.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A lock body structure of an anti-theft lock, comprising a lock shell, wherein a windproof lock tongue and a horizontal anti-theft lock tongue are horizontally slidably arranged on the front side of the lock shell, and an upper anti-theft lock tongue connecting rod and a lower anti-theft lock tongue connecting rod are vertically slidably arranged on the upper and lower ends of the rear side respectively; an anti-theft lock tongue transmission gear and a windproof lock tongue transmission gear are coaxially rotatably arranged in the middle part of the lock shell, the anti-theft lock tongue transmission gear and the windproof lock tongue transmission gear are matched with a driving gear on a driving motor / lock cylinder, and an idling notch is arranged on the edge of one end of the anti-theft lock tongue transmission gear to make the driving motor / lock cylinder relatively idling;

[0008] The anti-theft lock tongue transmission gear is hinged with a first hinged part hinged to the horizontal anti-theft lock tongue, a second hinged part hinged to the upper anti-theft lock tongue connecting rod, and a third hinged part hinged to the lower anti-theft lock tongue connecting rod;

[0009] The push rod on the windproof lock tongue transmission gear is linked to the windproof lock tongue through a transmission member;

[0010] When the driving motor / lock core drives the anti-theft lock tongue transmission gear and the windproof lock tongue transmission gear to rotate synchronously, the anti-theft lock tongue transmission gear drives the horizontal anti-theft lock tongue, the upper anti-theft lock tongue connecting rod and the lower anti-theft lock tongue connecting rod to retract into the lock shell through the first hinge, the second hinge and the third hinge respectively, and the driving gear rotates to the idling notch position; the driving motor / lock core will continue to drive the windproof lock tongue transmission gear to rotate alone, so that the push rod drives the windproof lock tongue to retract into the lock shell through the transmission member.

[0011] The utility model is further configured as follows: the anti-theft lock tongue transmission gear is provided with an anti-locking positioning groove and an unlocking positioning groove at intervals;

[0012] The lock housing is provided with a positioning assembly, which includes a positioning plate and a positioning spring. One end of the positioning plate is hinged on the lock housing, and the other end rests on the positioning spring, so that the end of the positioning plate is placed in the anti-locking positioning groove or the unlocking positioning groove.

[0013] The utility model is further arranged that: the transmission member is rotatably arranged in the lock housing, one end of the transmission member is connected with the windproof lock tongue, and the other end of the transmission member is matched with a push rod on the windproof lock tongue transmission gear.

[0014] The utility model is further configured as follows: a handle connecting sleeve is rotatably provided on the lock housing, and the handle connecting sleeve drives the transmission member to rotate through the swing member;

[0015] One end of the swinging member matches with the handle connecting sleeve, and the other end matches with the transmission member to drive the windproof lock tongue to retract into the lock housing.

[0016] The utility model is further provided that: a reset assembly for driving the handle connecting sleeve to reset is provided on the lock housing, the reset assembly comprises a pulling member and a handle reset spring which are slidably provided on the lock housing, one end of the handle reset spring abuts against the lock housing, and the other end abuts against the pulling member;

[0017] When the handle connecting sleeve is rotated to drive the windproof lock tongue to retract into the lock housing, the handle connecting sleeve will pull the pulling member and compress the handle reset spring.

[0018] The utility model is further configured as follows: a lock tongue reset spring is arranged on the windproof lock tongue, one end of the lock tongue reset spring abuts against the windproof lock tongue, and the other end abuts against the lock housing;

[0019] The windproof lock tongue slides inwardly into the lock housing, and the windproof lock tongue compresses the lock tongue return spring.

[0020] The utility model is further configured as follows: the windproof lock tongue transmission gear is placed above the anti-theft lock tongue transmission gear, and an upper avoidance groove for avoiding the hinge shafts of the first hinge, the second hinge and the third hinge is provided on the windproof lock tongue transmission gear.

[0021] The utility model is further configured as follows: a sensing rod is connected to the driving motor, one end of the sensing rod extends from the driving motor to above the anti-theft lock tongue transmission gear and the windproof lock tongue transmission gear, and the sensing rod can sense that the windproof lock tongue transmission gear and the anti-theft lock tongue transmission gear are in the anti-locking position or the unlocking position.

[0022] The utility model has the following beneficial effects: the windproof lock tongue of the anti-theft lock cooperates with the windproof lock tongue transmission gear through a transmission member, and its horizontal anti-theft lock tongue, the upper anti-theft lock tongue connecting rod connected to the upper anti-theft lock tongue and the lower anti-theft lock tongue connecting rod connected to the lower anti-theft lock tongue are respectively hinged on the anti-theft lock tongue transmission gear through a first hinge, a second hinge and a third hinge; when the anti-theft lock is in an anti-locking state, the driving motor / lock core drives the anti-theft lock tongue transmission gear and the windproof lock tongue transmission gear to rotate synchronously, and the anti-theft lock tongue transmission gear drives the horizontal anti-theft lock tongue, the upper anti-theft lock tongue connecting rod and the lower anti-theft lock tongue connecting rod to retract into the lock shell through the first hinge, the second hinge and the third hinge respectively. At this time, the driving gear on the driving motor / lock core rotates to an idling notch position; the driving motor / lock core drives the driving gear to continue to rotate, which will continue to drive the windproof lock tongue transmission gear to rotate separately, so that the push rod drives the windproof lock tongue to retract into the lock shell through the transmission member, and the unlocking operation can be completed;

[0023] The driving motor / lock core drives the driving gear to rotate in the opposite direction, and the anti-theft lock tongue transmission gear drives the first hinge, the second hinge and the third hinge to drive the horizontal anti-theft lock tongue, the upper anti-theft lock tongue connecting rod and the lower anti-theft lock tongue connecting rod to extend out of the lock shell, thereby realizing the anti-theft lock anti-locking operation; the anti-theft lock only realizes the linkage anti-theft lock tongue, the horizontal anti-theft lock tongue, the upper anti-theft lock tongue connecting rod and the lower anti-theft lock tongue connecting rod through the anti-theft lock tongue transmission gear and the windproof lock tongue transmission gear; simplifies the internal structure of the anti-theft lock body, and is simple and convenient to operate; and at the same time reduces the production cost of the anti-theft lock body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a structural schematic diagram of a lock body structure of an anti-theft lock of the utility model;

[0025] Figure 2 It is a matching diagram of an anti-theft lock tongue transmission gear and an anti-theft lock tongue, an upper anti-theft lock tongue connecting rod, and a lower anti-theft lock tongue connecting rod of a lock body structure of an anti-theft lock of the utility model;

[0026] Figure 3 A diagram showing the coordination of a windproof lock tongue transmission gear and a windproof lock tongue in a lock body structure of an anti-theft lock of the utility model;

[0027] Figure 4 This is a matching diagram of a windproof lock tongue transmission gear and a transmission member of a lock body structure of an anti-theft lock of the utility model;

[0028] Figure 5 It is a matching diagram of a windproof lock tongue transmission gear and an anti-theft lock tongue transmission gear of a lock body structure of an anti-theft lock of the utility model;

[0029] Figure 6 It is a matching diagram of the anti-theft lock tongue transmission gear and the hinged component of the lock body structure of an anti-theft lock of the utility model;

[0030] Explanation of the accompanying drawings: 1. lock housing; 2. windproof lock tongue; 21. transmission member; 22. lock tongue reset spring; 3. horizontal anti-theft lock tongue; 4. upper anti-theft lock tongue connecting rod; 5. lower anti-theft lock tongue connecting rod; 6. anti-theft lock tongue transmission gear; 61. idling gap; 62. first hinge; 63. second hinge; 64. third hinge; 65. anti-lock positioning groove; 66. unlocking positioning groove; 67. positioning assembly; 671. positioning plate; 672. positioning spring; 68. lower avoidance groove; 7. windproof lock tongue transmission gear; 71. push rod 71; 72. upper avoidance groove; 8. driving motor; 81. sensing rod; 82. driving gear; 9. handle connecting sleeve; 91. swing member; 92. reset assembly; 921. pulling member; 922. handle reset spring. DETAILED DESCRIPTION

[0031] Refer to the attached Figures 1 to 6 The lock body structure of the anti-theft lock of the utility model is further described in detail.

[0032] A lock body structure of an anti-theft lock, comprising a lock shell 1, wherein a windproof lock tongue 2 and a horizontal anti-theft lock tongue 3 are horizontally slidably arranged on the front side of the lock shell 1, and an upper anti-theft lock tongue connecting rod 4 and a lower anti-theft lock tongue connecting rod 5 are respectively vertically slidably arranged at the upper and lower ends of the rear side; an anti-theft lock tongue transmission gear 6 and a windproof lock tongue transmission gear 7 are coaxially rotatably arranged in the middle part of the lock shell 1, and the anti-theft lock tongue transmission gear 6 and the windproof lock tongue transmission gear 7 are matched with a driving motor 8 / a driving gear 82 on a lock core, and an idling notch 61 is provided on the edge of one end of the anti-theft lock tongue transmission gear 6 to make the driving motor 8 / lock core (not shown in the accompanying drawings) relatively idling (the anti-theft lock can be simultaneously provided with a driving motor 8 and a lock core to the anti-theft lock tongue transmission gear 6 and the windproof lock When the tongue transmission gear 7 is driven and the driving motor 8 and the lock core are set at the same time, two idling notches 61 corresponding to the driving motor 8 and the driving gear 82 on the lock core are set on the anti-theft lock tongue transmission gear 6); the anti-theft lock tongue transmission gear 6 is hinged with a first hinge 62 hinged to the horizontal anti-theft lock tongue 3, a second hinge 63 hinged to the upper anti-theft lock tongue connecting rod, and a third hinge 64 hinged to the lower anti-theft lock tongue connecting rod 5; the push rod 71 on the windproof lock tongue transmission gear 7 is linked with the windproof lock tongue 2 through the transmission member 21; wherein the push rod 71 is arranged on the lower end surface of the windproof lock tongue transmission gear 7, and passes through the lower avoidance groove 68 on the anti-theft lock tongue transmission gear 6 to cooperate with the transmission member 21;

[0033] When the driving motor 8 / lock core drives the anti-theft lock tongue transmission gear 6 and the windproof lock tongue transmission gear 7 to rotate synchronously, the anti-theft lock tongue transmission gear 6 drives the horizontal anti-theft lock tongue 3, the upper anti-theft lock tongue connecting rod 4 and the lower anti-theft lock tongue connecting rod 5 to retract into the lock housing 1 through the first hinge 62, the second hinge 63 and the third hinge 64 respectively, and the driving gear 82 rotates to the idle notch 61 position; the driving motor 8 / lock core will continue to drive the windproof lock tongue transmission gear 7 to rotate alone, so that the push rod 71 drives the windproof lock tongue 2 to retract into the lock housing 1 through the transmission member 21. In this process, the lock tongue push rod 71 moves along the lower avoidance groove 68;

[0034] When the anti-theft lock is in the reverse locking state, the driving motor 8 / lock core drives the anti-theft lock tongue transmission gear 6 and the windproof lock tongue transmission gear 7 to rotate synchronously, and the anti-theft lock tongue transmission gear 6 drives the horizontal anti-theft lock tongue 3, the upper anti-theft lock tongue connecting rod 4 and the lower anti-theft lock tongue connecting rod 5 to retract into the lock housing 1 through the first hinge 62, the second hinge 63 and the third hinge 64 respectively. At this time, the driving motor 8 / drive gear 82 on the lock core rotates to the idle notch 61 position; the driving motor 8 / lock core drives the drive gear 82 to continue to rotate, which will continue to drive the windproof lock tongue transmission gear 7 to rotate alone, so that the push rod 71 drives the windproof lock tongue 2 to retract into the lock housing 1 through the transmission member 21, and the unlocking operation can be completed;

[0035] The driving motor 8 / lock core drives the driving gear 82 to rotate in the opposite direction, and the anti-theft lock tongue transmission gear 6 drives the first hinge 62, the second hinge 63 and the third hinge 64 to drive the horizontal anti-theft lock tongue 3, the upper anti-theft lock tongue connecting rod 4 and the lower anti-theft lock tongue connecting rod 5 to extend out of the lock shell 1, thereby realizing the anti-theft lock anti-locking operation; the anti-theft lock only realizes the linkage anti-locking and unlocking of the windproof lock tongue 2, the horizontal anti-theft lock tongue 3, the upper anti-theft lock tongue connecting rod 4 and the lower anti-theft lock tongue connecting rod 5 through the anti-theft lock tongue transmission gear 6 and the windproof lock tongue transmission gear 7; simplifies the internal structure of the anti-theft lock body, and is simple and convenient to operate; and at the same time reduces the production cost of the anti-theft lock body.

[0036] In order to allow the windproof lock tongue transmission gear 7 and the anti-theft lock tongue transmission gear 6 to be stably in the anti-locking position and the unlocking position, the anti-theft lock tongue transmission gear 6 is provided with anti-locking positioning grooves 65 and unlocking positioning grooves 66 at intervals; the lock housing 1 is provided with a positioning assembly 67, and the positioning assembly 67 includes a positioning plate 671 and a positioning spring 672, one end of the positioning plate 671 is hinged on the lock housing 1, and the other end abuts against the positioning spring 672, so that the end of the positioning plate 671 is placed in the anti-locking positioning groove 65 or the unlocking positioning groove 66, thereby improving the stability of the anti-theft lock structure.

[0037] The windproof lock tongue 2 is provided with a lock tongue reset spring 22, one end of the lock tongue reset spring 22 abuts against the windproof lock tongue 2, and the other end abuts against the lock housing 1; the windproof lock tongue 2 slides inward into the lock housing 1, and the windproof lock tongue 2 compresses the lock tongue reset spring 22; the reset spring enables the windproof lock tongue 2 to remain extended out of the lock housing 1 in a natural state, and when the anti-theft door equipped with the anti-theft lock is in a closed state, the windproof lock tongue 2 can automatically extend out of the lock housing 1 and be placed in the buckle box of the door frame;

[0038] The transmission member 21 is rotatably arranged in the lock housing 1, one end of the transmission member 21 is connected to the windproof lock tongue 2, and the other end is matched with the push rod 71 on the windproof lock tongue transmission gear 7; a handle connecting sleeve 9 is rotatably arranged on the lock housing 1, and the handle connecting sleeve 9 drives the transmission member 21 to rotate through the swing member 91; one end of the swing member 91 cooperates with the handle connecting sleeve 9, and the other end cooperates with the transmission member 21 to drive the windproof lock tongue 2 to retract into the lock housing 1; that is, when the anti-theft lock tongue of the anti-theft lock is in the unlocking position, the windproof lock tongue 2 can be driven to retract into the lock housing 1 by only rotating the handle connecting sleeve 9 by the handle, so as to realize the door opening operation;

[0039] The lock shell 1 is provided with a reset component 92 for driving the handle connecting sleeve 9 to reset. The reset component 92 includes a pulling piece 921 and a handle reset spring 922 which are slidably arranged on the lock shell 1. One end of the handle reset spring 922 abuts against the lock shell 1, and the other end abuts against the pulling piece 921. When the handle connecting sleeve 9 is rotated to drive the windproof lock tongue 2 to retract into the lock shell 1, the handle connecting sleeve 9 will pull the pulling piece 921 and compress the handle reset spring 922. After the handle is released, the handle connecting sleeve 9 is reset under the pull of the pulling piece 921.

[0040] The windproof lock tongue transmission gear 7 is placed above the anti-theft lock tongue transmission gear 6, and is provided with an upper avoidance groove 72 for avoiding the hinge shafts of the first hinge 62, the second hinge 63 and the third hinge 64, so as to avoid interference between the windproof lock tongue transmission gear 7 and the anti-theft lock tongue transmission gear 6 when the windproof lock tongue transmission gear 7 rotates alone.

[0041] The driving motor 8 is connected to a sensing rod 81, one end of which extends from the driving motor 8 to above the anti-theft lock tongue transmission gear 6 and the windproof lock tongue transmission gear 7, and the sensing rod 81 can sense that the windproof lock tongue transmission gear 7 and the anti-theft lock tongue transmission gear 6 are in the reverse locking position or the unlocking position; the windproof lock tongue transmission gear 7 and the anti-theft lock tongue transmission gear 6 are provided with magnets in the reverse locking position and the unlocking position, and when the windproof lock tongue transmission gear 7 and the anti-theft lock tongue transmission gear 6 are rotated to the reverse locking position or the unlocking position, the sensing rod 81 can identify the specific state of the door lock by sensing the magnet, thereby instructing the driving motor 8 to operate.

[0042] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A lock body structure of an anti-theft lock, comprising a lock shell, wherein a windproof lock tongue and a horizontal anti-theft lock tongue are horizontally slidably arranged on the front side of the lock shell, and an upper anti-theft lock tongue connecting rod and a lower anti-theft lock tongue connecting rod are vertically slidably arranged on the upper and lower ends of the rear side; wherein: The middle part of the lock housing is provided with an anti-theft lock tongue transmission gear and a windproof lock tongue transmission gear for coaxial rotation. The anti-theft lock tongue transmission gear and the windproof lock tongue transmission gear are matched with the driving gear on the driving motor / lock cylinder. An idling notch is provided on the edge of one end of the anti-theft lock tongue transmission gear for making the driving motor / lock cylinder relatively idling; The anti-theft lock tongue transmission gear is hinged with a first hinged part hinged to the horizontal anti-theft lock tongue, a second hinged part hinged to the upper anti-theft lock tongue connecting rod, and a third hinged part hinged to the lower anti-theft lock tongue connecting rod; The push rod on the windproof lock tongue transmission gear is linked to the windproof lock tongue through a transmission member; When the driving motor / lock core drives the anti-theft lock tongue transmission gear and the windproof lock tongue transmission gear to rotate synchronously, the anti-theft lock tongue transmission gear drives the horizontal anti-theft lock tongue, the upper anti-theft lock tongue connecting rod and the lower anti-theft lock tongue connecting rod to retract into the lock shell through the first hinge, the second hinge and the third hinge respectively, and the driving gear rotates to the idling notch position; the driving motor / lock core will continue to drive the windproof lock tongue transmission gear to rotate alone, so that the push rod drives the windproof lock tongue to retract into the lock shell through the transmission member.

2. The lock body structure of the anti-theft lock according to claim 1 is characterized in that: The anti-theft lock tongue transmission gear is provided with an anti-locking positioning groove and an unlocking positioning groove at intervals; The lock housing is provided with a positioning assembly, which includes a positioning plate and a positioning spring. One end of the positioning plate is hinged on the lock housing, and the other end rests on the positioning spring, so that the end of the positioning plate is placed in the anti-locking positioning groove or the unlocking positioning groove.

3. The lock body structure of the anti-theft lock according to claim 2 is characterized in that: The transmission member is rotatably arranged in the lock housing, one end of the transmission member is connected with the windproof lock tongue, and the other end of the transmission member is matched with a push rod on the windproof lock tongue transmission gear.

4. The lock body structure of the anti-theft lock according to claim 3 is characterized in that: A handle connecting sleeve is rotatably provided on the lock housing, and the handle connecting sleeve drives the transmission member to rotate through the swing member; One end of the swinging member matches with the handle connecting sleeve, and the other end matches with the transmission member to drive the windproof lock tongue to retract into the lock housing.

5. The lock body structure of the anti-theft lock according to claim 4 is characterized in that: The lock housing is provided with a reset assembly for driving the handle connecting sleeve to reset, and the reset assembly includes a pulling member and a handle reset spring which are slidably arranged on the lock housing, one end of the handle reset spring abuts against the lock housing, and the other end abuts against the pulling member; When the handle connecting sleeve is rotated to drive the windproof lock tongue to retract into the lock housing, the handle connecting sleeve will pull the pulling member and compress the handle reset spring.

6. The lock body structure of the anti-theft lock according to claim 5 is characterized in that: The windproof lock tongue is provided with a lock tongue reset spring, one end of the lock tongue reset spring abuts against the windproof lock tongue, and the other end abuts against the lock housing; The windproof lock tongue slides inwardly into the lock housing, and the windproof lock tongue compresses the lock tongue return spring.

7. The lock body structure of the anti-theft lock according to claim 1 or 2 or 3 or 4 or 5 or 6 is characterized in that: The windproof lock tongue transmission gear is placed above the anti-theft lock tongue transmission gear, and an upper avoidance groove for avoiding the hinge shafts of the first hinge, the second hinge and the third hinge is provided on the windproof lock tongue transmission gear.

8. The lock body structure of an anti-theft lock according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that: A sensing rod is connected to the driving motor, one end of which extends from the driving motor to above the anti-theft lock tongue transmission gear and the windproof lock tongue transmission gear. The sensing rod can sense whether the windproof lock tongue transmission gear and the anti-theft lock tongue transmission gear are in the reverse locking position or the unlocking position.

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