CN204024221U - Rotating theft-proof lock - Google Patents

Abstract

The utility model discloses a rotary anti-theft lock, which comprises: a lock case assembly, a lock body panel is arranged on the end surface of the lock case assembly, a drive plate and a convex tooth assembly which drives the drive plate to move in parallel are arranged in the lock case assembly, and the convex tooth The component is rotated and set, the drive plate is provided with a trapezoidal groove, and the trapezoidal groove has a slanted groove part and a flat groove part; the main lock bolt assembly arranged in the lock housing assembly is rotated, and the main lock bolt assembly expands and contracts in a direction perpendicular to the lock body panel. The main lock bolt assembly is provided with a main lock bolt protrusion that matches the trapezoidal groove; the rack assembly that drives the convex tooth assembly to rotate and move perpendicular to the direction of the lock body panel, when the rack assembly moves toward the direction close to the lock body panel The drive plate is driven towards the convex tooth assembly by the convex tooth assembly; the gear assembly is rotated, and the gear assembly meshes with the rack assembly; the oblique tongue assembly is perpendicular to the lock body panel, and the oblique tongue assembly is retractable under the drive of the rack assembly Set in the lock case assembly. The above-mentioned rotating anti-theft lock is convenient for users to use.

Description

Rotary anti-theft lock

technical field

The utility model relates to the technical field of lock equipment, in particular to a rotating anti-theft lock.

Background technique

Most of the rotating anti-theft locks widely used in the market currently use a double-gear mechanism as the internal main driving mechanism. The gear on the lock cylinder is driven to rotate through the forward rotation of the key, and then the double gear disc is driven to rotate, and the double gear disc drives the gear mechanism inside the lock body, so as to finally realize the closing operation that the main lock bolt first extends and then rotates. After the double gear disc rotates in place, the gear on the lock cylinder is driven by reversing the key to rotate, so that another gear on the double gear disc drives the oblique tongue to retract.

Because the above-mentioned design is when opening the main lock bolt and the oblique tongue on the lock body, the key must rotate the lock cylinder in the positive and negative directions before fully opening the lock body to open the door, which is easy to bring misoperation to the user and brings great benefits to the user. Inconvenience.

Therefore, how to facilitate the user's use is an urgent problem to be solved by those skilled in the art.

Utility model content

In view of this, the utility model provides a rotary anti-theft lock, which is convenient for users to use.

In order to achieve the above object, the utility model provides the following technical solutions:

A rotary anti-theft lock, comprising:

A lock housing assembly, a lock body panel is arranged on the end surface of the lock housing assembly, a drive plate is arranged inside the lock housing assembly and a drive plate is arranged to drive the drive plate to move along the convex tooth assembly parallel to the lock body panel. The tooth assembly is rotatably arranged on the bottom surface of the lock housing assembly, and the drive plate is provided with a trapezoidal groove, and the trapezoidal groove has a slanted groove in a direction close to the protruding tooth assembly and away from the lock body panel part and a flat groove part parallel to the lock body panel, the flat groove part is located at one end of the chute part close to the lock body panel;

Rotate the main lock bolt assembly arranged in the lock housing assembly, the main lock bolt assembly is telescopically arranged in a direction perpendicular to the lock body panel, and the main lock bolt assembly is provided with a the main latch protrusion;

A rack assembly that drives the protruding tooth assembly to rotate and move perpendicular to the direction of the lock body panel. When the rack assembly moves in a direction close to the lock body panel, the protruding tooth assembly drives the drive plate driven toward said lobe assembly;

Rotate the gear assembly disposed in the bottom surface of the lock housing assembly, the gear assembly meshes with the rack assembly;

A bolt assembly perpendicular to the lock body panel, the bolt assembly is telescopically arranged in the lock housing assembly driven by the rack assembly.

Preferably, in the above-mentioned rotary anti-theft lock, the latch bolt assembly is provided with a latch projection, and the rack assembly has a function for pulling the latch between the latch projection and the lock body panel. The pulling end of the tongue protrudes, and the lock housing assembly is provided with a tension spring that drives the oblique tongue assembly to extend out of the lock housing assembly;

A torsion spring urging the drive plate away from the lobe assembly is also included.

Preferably, in the above-mentioned rotary anti-theft lock, the rack assembly includes a first tooth condition and a second tooth condition that are slidably connected along the telescopic direction of the main lock bolt assembly, and the first tooth condition is provided with The first rack part arranged in the sliding direction, the second rack part is provided with the second rack part butted with the first rack part on the second tooth part, the first tooth part and the second tooth part are arranged on the A tension spring is provided to apply tension along the overlapping direction of the first rack part and the second rack part, and the second rack part is located on a side close to the lock body panel;

The gear assembly meshes with the first rack portion and the second rack portion.

Preferably, in the above-mentioned rotary anti-theft lock, the side of the first tooth condition close to the lock body panel is provided with a first oblique tongue positioning groove, and the side away from the lock body panel is provided with a first main lock bolt positioning slot;

The second tooth condition is provided with a second oblique tongue positioning groove matching with the first oblique tongue positioning groove and a second main locking bolt positioning groove matching with the first main locking bolt positioning groove. When the first rack part is docked with the second rack part, the first oblique tongue positioning groove coincides with the second oblique tongue positioning groove, and the first main lock bolt positioning groove coincides with the second oblique tongue positioning groove. The positioning groove of the main lock bolt coincides;

The lock case assembly is provided with a positioning rotary piece, and the positioning rotary piece is opposed to the rack assembly through a positioning torsion spring; when the main lock bolt assembly shrinks and the latch tongue assembly extends The positioning protrusion of the sheet is positioned at the overlapping part of the first latch bolt positioning groove and the second latch bolt positioning groove; when the main lock bolt assembly is stretched out and the latch bolt assembly is stretched out, the positioning The positioning protrusion of the rotating piece is positioned in the overlapped portion of the first main lock bolt positioning groove and the second main lock bolt positioning groove.

Preferably, the above-mentioned rotary anti-theft lock further includes a heaven and earth lock assembly arranged parallel to the lock body panel, and an upper slide bolt assembly and a lower bolt assembly for switching the sky and earth lock assembly;

The upper sliding bolt assembly and the lower sliding bolt assembly are respectively arranged on both sides of the lock housing assembly and telescopically arranged on the lock housing assembly parallel to the lock body panel;

The upper sliding bolt assembly is provided with an upper chute inclined away from the lock body panel along the direction extending out of the lock housing assembly, and the lower sliding bolt assembly is provided with a The direction of the sliding groove is inclined away from the lock body panel;

A first chute pin cooperating with the upper chute and a second chute pin cooperating with the lower chute are provided on the side of the first tooth condition facing away from the second tooth condition.

Preferably, in the above-mentioned rotary anti-theft lock, the lock housing assembly is provided with a guide shaft, and the convex tooth assembly includes a convex tooth plate, a driving plate pin located on the side of the convex tooth plate facing the driving plate, and a pin penetrating through the tooth plate. The rotating hole of the convex tooth plate, the rotating hole is rotatably matched with the guide shaft;

The rotation hole is different from the projected position of the drive plate pin on the convex tooth plate; the drive plate is provided with a drive plate opening that matches the drive plate pin.

Preferably, in the above-mentioned rotary anti-theft lock, a rack pin is provided on the side of the protruding tooth plate facing away from the driving plate; Teeth conditional opening; the projected positions of the second tooth conditional opening, the rotation hole, and the driving plate pin on the convex tooth plate are all different.

Preferably, in the above-mentioned rotary anti-theft lock, the first tooth is conditionally provided with a first bar-shaped hole parallel to the first rack part, and the second tooth is conditionally provided with a first bar-shaped hole parallel to the second rack part. The second bar-shaped hole provided on the rack part; the first bar-shaped hole and the second bar-shaped hole are sleeved on the guide shaft.

Preferably, in the above-mentioned rotary anti-theft lock, the length of the first strip-shaped hole is shorter than the length of the second strip-shaped hole;

When the first rack part is docked with the second rack part, the end of the first bar-shaped hole away from the lock body panel is aligned with the end of the second bar-shaped hole away from the lock body panel; When the first rack part overlaps with the second rack part, an end of the first bar-shaped hole close to the lock body panel is aligned with an end of the second bar-shaped hole close to the lock body panel.

Preferably, in the above-mentioned rotary anti-theft lock, the second tooth is conditionally provided with a third bar-shaped hole parallel to the second rack part, and the first tooth is conditionally provided with a third bar-shaped hole a matching connecting pin, and the connecting pin moves along the third bar-shaped hole.

It can be seen from the above technical solutions that the rotation anti-theft lock provided by the embodiment of the utility model realizes the opening of the main lock bolt assembly and the oblique tongue assembly through the forward rotation gear assembly, and then realizes the opening of the main lock bolt assembly and the oblique tongue assembly through the reverse gear assembly. To close the tongue assembly, the main lock bolt assembly and the latch tongue assembly can be opened or closed only by rotating the key in one direction, which is convenient for users.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the exploded schematic view of the rotary anti-theft lock provided by the embodiment of the present invention;

Fig. 2 is a schematic structural view of the lock housing assembly provided by the embodiment of the present invention;

Fig. 3 is a structural schematic diagram of the driving board provided by the embodiment of the present invention;

Fig. 4 is a schematic structural diagram of the convex tooth assembly provided by the embodiment of the present invention;

Fig. 5 is a schematic diagram of the first structure of the rack assembly provided by the embodiment of the present invention;

Fig. 6 is a second structural schematic diagram of the rack assembly provided by the embodiment of the present invention;

Fig. 7 is a third structural schematic diagram of the rack assembly provided by the embodiment of the present invention;

Fig. 8 is a schematic structural view of the upper sliding bolt assembly provided by the embodiment of the present invention;

Fig. 9 is a schematic structural view of the lower bolt assembly provided by the embodiment of the present invention;

Fig. 10 is a schematic structural view of the latch tongue assembly provided by the embodiment of the present invention;

Fig. 11 is a schematic diagram of the first state of the rotary anti-theft lock provided by the embodiment of the present invention;

Fig. 12 is a schematic diagram of the second state of the rotary anti-theft lock provided by the embodiment of the present invention;

Fig. 13 is a schematic diagram of the third state of the rotary anti-theft lock provided by the embodiment of the present invention.

in,

Lock housing assembly—1, drive plate—11, trapezoidal groove—111, drive plate opening—112, torsion spring—12, convex tooth assembly—13, convex tooth plate—131, drive plate pin—132, rack pin— 133, rotating hole-134, positioning rotary piece-14, extension spring-15, guide shaft-16, arc groove-17, lock body panel-18, gear assembly-2, rack assembly-3, first tooth condition —31, the first strip hole—311, the first rack portion—312, the first chute pin—313, the second chute pin—314, the first oblique tongue positioning groove—315, the first main lock bolt positioning Slot - 316, second tooth condition - 32, second strip hole - 321, second rack part - 322, pulling end - 323, second tooth condition opening - 324, second oblique tongue positioning groove - 325, Positioning slot of the second main lock bolt—326, extension spring—33, connecting pin—34, main lock bolt assembly—4, latch bolt assembly—5, latch tongue protrusion—51, upper sliding bolt assembly—6, upper chute —61, the lower bolt assembly—7, the lower groove—71.

Detailed ways

The utility model discloses a rotating anti-theft lock, which is convenient for users to use.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, Fig. 2 and Fig. 3. Fig. 1 is a schematic diagram of the explosion of the rotary anti-theft lock provided by the embodiment of the utility model; Fig. 2 is a schematic structural diagram of the lock housing assembly provided by the embodiment of the utility model; Fig. 3 is Schematic diagram of the structure of the driving board provided by the embodiment of the utility model.

As shown in Figure 1, Figure 2 and Figure 3, the rotary anti-theft lock provided by the embodiment of the present invention includes: a lock housing assembly 1, a lock body panel 18 is arranged on the end surface of the lock housing assembly 1, and a lock body panel 18 is arranged inside the lock housing assembly 1 There is a drive plate 11 and a protruding tooth assembly 13 that drives the drive plate 11 to move parallel to the lock body panel 18. The protruding tooth assembly 13 is rotatably arranged on the bottom surface of the lock housing assembly 1. The drive plate 11 is provided with a trapezoidal groove 111. The trapezoidal groove 111 has a chute portion inclined away from the lock body panel 18 in a direction close to the protruding tooth assembly 13 and a flat groove portion parallel to the lock body panel 18, and the flat groove portion is located at one end of the chute portion close to the lock body panel 18; The main lock bolt assembly 4 arranged in the lock housing assembly 1, the main lock bolt assembly 4 is telescopically arranged along the direction perpendicular to the lock body panel 18, and the main lock bolt assembly 4 is provided with a main lock bolt protrusion matching with the trapezoidal groove 111. The rack assembly 3 that drives the convex tooth assembly 13 to rotate and move perpendicular to the direction of the lock body panel 18, when the rack assembly 3 moves in a direction close to the lock body panel 18, the convex tooth assembly 13 drives the driving plate 11 toward the convex tooth Component 13 drives; Rotate the gear assembly 2 arranged in the bottom surface of the lock housing assembly 1, the gear assembly 2 meshes with the rack assembly 3; The telescopic arrangement is arranged in the lock housing assembly 1 under the driving of the driving force.

Wherein, it can be understood that the key is inserted into the lock cylinder to rotate, thereby driving the gear assembly 2 to rotate.

Its working principle is as follows: 1. When the main lock bolt assembly 4 is opened, the key is inserted into the lock cylinder and then the gear assembly 2 is rotated forward. The gear assembly 2 drives the rack assembly 3 to move linearly in a direction away from the lock body panel 18, driving the convex tooth assembly 13 Rotate to make the drive plate 11 move away from the convex tooth assembly 13, so that the main lock bolt assembly 4 shrinks in the direction away from the lock body panel 18 under the cooperation of the main lock bolt protrusion and the inclined groove part of the trapezoidal groove 111, Complete the opening of the main lock assembly 4; similarly, when the main lock assembly 4 is closed, the key is inserted into the lock cylinder and then the gear assembly 2 is reversed, and the gear assembly 2 drives the rack assembly 3 to move linearly in a direction close to the lock body panel 18, Drive the convex tooth assembly 13 to rotate, so that the driving plate 11 moves towards the direction close to the convex tooth assembly 13, so that the main lock bolt assembly 4 protrudes out of the lock body panel under the cooperation of the main lock bolt protrusion and the inclined groove part of the trapezoidal groove 111 18, and under the cooperative action of the main lock bolt protrusion and the flat groove part of the trapezoidal groove 111, the rotation of the main lock bolt assembly 4 is completed, thereby realizing the closing effect of the main lock bolt assembly 4 protruding first and then rotating. 2. When the bolt assembly 5 is opened, the key is inserted into the lock cylinder and then the gear assembly 2 is rotated forward. The gear assembly 2 drives the rack assembly 3 to move linearly in a direction away from the lock body panel 18, and then pulls the bolt assembly 5 to face away from the lock body panel 18 to complete the opening of the bolt assembly 5; similarly, when the bolt assembly 5 is closed, the key is inserted into the lock cylinder and then the gear assembly 2 is reversed, and the gear assembly 2 drives the rack assembly 3 to approach the lock body panel 18. Linear movement, and then make the bolt assembly 5 protrude from the lock body panel 18, and complete the closing of the bolt assembly 5.

The rotary anti-theft lock provided by the embodiment of the utility model realizes the opening of the main bolt assembly 4 and the latch bolt assembly 5 through the forward rotation gear assembly 2, and then realizes the opening of the main latch assembly 4 and the latch bolt assembly 5 through the reverse gear assembly 2. To close, the main lock bolt assembly 4 and the latch bolt assembly 5 can be opened or closed only by rotating the key in one direction, which is convenient for users.

Preferably, the main bolt assembly 4 is rotated by 90°.

As shown in Fig. 1, Fig. 5 and Fig. 10, preferably, the latch bolt assembly 5 is provided with a latch bolt projection 51, and the rack assembly 3 has a function located between the latch bolt projection 51 and the lock body panel 18 for pulling The pulling end 323 of the latch bolt protrusion 51 ; the tension spring 15 that drives the latch bolt assembly 5 to extend out of the lock casing assembly 1 is arranged inside the lock casing assembly 1 . As shown in Figure 11, when the rack assembly 3 moves linearly to a certain position in the direction close to the lock body panel 18, the oblique tongue protrusion 51 is separated from the pulling end 323, and the oblique tongue assembly 5 protrudes out of the lock body under the action of the tension spring 15 panel 18; at this moment, the main lock bolt assembly 4 does not protrude from the lock body panel 18. As shown in Figure 13, continue to drive the rack assembly 3 to move linearly in the direction close to the lock body panel 18, the rack assembly 3 drives the convex tooth assembly 13 to rotate, and then drives the drive plate 11 in the direction close to the convex tooth assembly 13, so that the main lock The peg assembly 4 is extended.

Furthermore, the bottom surface of the lock case assembly 1 further includes a torsion spring 12 that pushes the drive plate 11 away from the protruding tooth assembly 13 . In order to improve the stability of the expansion and contraction of the main lock bolt assembly 4 along the lock body panel 18 .

As shown in Figure 5, Figure 6 and Figure 7, in order to reduce the length of the rack assembly 3 on the basis of ensuring the stroke length of the rack assembly 3 in the lock housing assembly 1, the rack assembly 3 includes The first tooth condition 31 and the second tooth condition 32 are connected by sliding fit in the telescopic direction of the assembly 4. The first tooth condition 31 is provided with a first rack portion 312 arranged along the sliding direction of the two, and the second tooth condition 32 is provided with There is a second rack part 322 that is docked with the first rack part 312, and the first rack part 31 and the second rack part 32 are provided with a pull force along the overlapping direction of the first rack part 312 and the second rack part 322. The extension spring 33 , the second rack part 322 is located on the side close to the lock body panel 18 ; the gear assembly 2 meshes with the first rack part 312 and the second rack part 322 . Under the action of the tension spring 33, the first rack part 312 of the first tooth condition 31 is docked with the second rack part 322 of the second tooth condition 32, thereby ensuring the stroke of the rack assembly 3 in the lock housing assembly 1 length; as shown in Figure 12, after the first tooth condition 31 is in contact with the inner casing of the lock housing assembly 1, the gear assembly 2 meshes with the second rack part 322, and overcomes the pulling force of the tension spring 33 to drive the second tooth condition 32 and The first tooth condition 31 coincides to reduce the length of the rack assembly 3, thereby improving the structural compactness of the rotary anti-theft lock provided by the embodiment of the present utility model.

As shown in Figure 7, the first tooth condition 31 is provided with a first oblique bolt positioning groove 315 on the side close to the lock body panel 18, and a first main lock bolt positioning groove 316 is provided on the side away from the lock body panel 18; The two-tooth condition 32 is provided with a second oblique tongue positioning groove 325 matched with the first oblique tongue positioning groove 315 and a second main lock bolt positioning groove 326 matched with the first main lock bolt positioning groove 316. When the rack part 312 is docked with the second rack part 322, the first oblique tongue positioning groove 315 coincides with the second oblique tongue positioning groove 325 and the first main lock bolt positioning groove 316 coincides with the second main lock bolt positioning groove 326; The housing component 1 is provided with a positioning rotary piece 14, which is offset against the rack assembly 3 by a positioning torsion spring; The overlapping part of the first bolt positioning groove 315 and the second bolt positioning groove 325 is positioned; when the main lock bolt assembly 4 is stretched out and the bolt bolt assembly 5 is stretched out, the positioning protrusion of the positioning rotary piece 14 and the first main lock The overlapping portion of the bolt positioning groove 316 and the second main locking bolt positioning groove 326 is positioned. Through the above arrangement, when the main bolt assembly 4 shrinks and the bolt assembly 5 extends out of the lock body panel 18, the positioning protrusion of the positioning rotary piece 14 is engaged in the first bolt positioning groove 315 and the second bolt bolt positioning groove 325 In the overlapping portion formed after overlapping, the relative sliding between the first tooth condition 31 and the second tooth condition 32 is avoided, and the stability of the latch tongue assembly 5 in the closed state is ensured. When the main lock bolt assembly 4 is stretched out and the oblique tongue assembly 5 is stretched out of the lock body panel 18, the positioning protrusion of the positioning rotary piece 14 is engaged in the first main lock bolt positioning groove 316 and coincides with the second main lock bolt positioning groove 326 In the overlapping portion formed later, the relative sliding between the first tooth condition 31 and the second tooth condition 32 is avoided, and the stability of the closed state of the main lock bolt assembly 4 and the latch tongue assembly 5 is ensured.

As shown in Fig. 8 and Fig. 9, in order to further improve the anti-theft performance, the rotary anti-theft lock provided by the embodiment of the utility model also includes a sky-earth lock assembly which acts as a secondary lock and an upper slide bolt assembly 6 for switching the sky-earth lock assembly and The lower bolt assembly 7 and the heaven and earth lock assembly are parallel to the lock body panel 18; the upper slider assembly 6 and the lower bolt assembly 7 are respectively arranged on both sides of the lock housing assembly 1 and telescopically arranged on the lock housing in a direction parallel to the lock body panel 18 On the assembly 1; the upper sliding bolt assembly 6 is provided with an upper chute 61 inclined away from the lock body panel 18 along the direction extending out of the lock housing assembly 1, and the lower sliding bolt assembly 7 is provided with a The direction of the sliding groove 71 is inclined away from the lock body panel 18; on the side of the first tooth condition 31 facing away from the second tooth condition 32, a first sliding groove pin 313 cooperating with the upper sliding groove 61 and a first sliding groove pin 313 arranged with the sliding groove 71 are provided. Cooperate with the second sliding slot pin 314 provided. When opening the auxiliary lock (heaven and earth lock assembly), the key is inserted into the lock cylinder and then the gear assembly 2 is rotated forward, and the gear assembly 2 drives the rack assembly 3 to move in a straight line away from the lock body panel 18, so that the upper slide bolt assembly 6 and the lower slide bolt The components 7 move relative to each other to complete the opening of the heaven and earth lock assembly; when closing the auxiliary lock (the sky and earth lock assembly), the key is inserted into the lock cylinder and then the gear assembly 2 is reversed, and the gear assembly 2 drives the rack assembly 3 to move linearly towards the lock body panel 18 , and then make the upper sliding bolt assembly 6 and the lower sliding bolt assembly 7 move back to complete the closing of the heaven and earth lock assembly.

In the rotary anti-theft lock provided by the embodiment of the present invention, the lock case assembly 1 is provided with a guide shaft 16, and the convex tooth assembly 13 includes a convex tooth plate 131, a drive plate pin 132 located on the side of the convex tooth plate 131 facing the drive plate 11 and Through the rotation hole 134 of the convex tooth plate 131, the rotation hole 134 is in rotation with the guide shaft 16; the projection position of the rotation hole 134 and the drive plate pin 132 on the convex tooth plate 131 is different; Matching drive plate opening 112 . Through the cooperation of the driving plate pin 132 and the driving plate opening 112 , the connection between the driving plate 11 and the protruding tooth assembly 13 is facilitated. It is also possible to abut a protrusion of the convex tooth assembly 13 against the drive plate 11; or, connect a protrusion of the convex tooth assembly 13 to the drive plate 11; or, set a pin on the drive plate 11, and the convex tooth assembly 13 is provided with the perforation etc. that cooperate with pin. It will not be introduced in detail here and is within the scope of protection.

As shown in FIG. 2 , the bottom surface of the lock housing assembly 1 is provided with an arc-shaped groove 17 matching with the drive plate pin 132 , thereby improving the movement stability of the drive plate 11 . Further, a guide column is provided on the side of the bolt assembly 5 facing the lock housing assembly 1 , and a guide groove perpendicular to the lock body panel 18 is provided on the bottom surface of the lock housing assembly 1 .

Further, a rack pin 133 is provided on the side of the protruding tooth plate 131 facing away from the drive plate 11; a second tooth condition opening 324 matching with the rack pin 133 is provided on the second tooth condition 32; The projected positions of the conditional opening 324 , the rotation hole 134 and the driving plate pin 132 on the protruding tooth plate 131 are all different. Wherein, the rack pin 133 and the driving plate pin 132 are both located on a side of the rotation hole 134 away from the latch tongue assembly 5 .

As shown in Figures 5 and 7, the first tooth condition 31 is provided with a first bar-shaped hole 311 parallel to the first rack portion 312, and the second tooth condition 32 is provided with a hole 322 parallel to the second rack portion 322. The provided second strip-shaped hole 321 ; the first strip-shaped hole 311 and the second strip-shaped hole 321 are sleeved on the guide shaft 16 . By providing the first bar-shaped hole 311 and the second bar-shaped hole 321 and making them sleeved on the guide shaft 16 , the stability of the linear movement of the rack assembly 3 toward the lock body panel 18 is ensured.

In order not to interfere with the movement of the rack assembly 3, the length of the hole is shortened to ensure the strength of the tooth condition. In this embodiment, the length of the first bar hole 311 is shorter than the second bar hole 321; the first rack When the part 312 is docked with the second rack part 322, the end of the first bar-shaped hole 311 away from the lock body panel 18 is aligned with the end of the second bar-shaped hole 321 away from the lock body panel 18; When the strips 322 overlap, the end of the first strip hole 311 close to the lock body panel 18 is aligned with the end of the second strip hole 321 close to the lock body panel 18 .

As shown in Figure 7, the second tooth condition 32 is provided with a third bar-shaped hole parallel to the second rack portion 322, and the first tooth condition 31 is provided with a connecting pin 34 cooperating with the third bar-shaped hole, and the connecting pin 34 moves along the third strip hole. Other structures such as slide rails can also be provided, which will not be described in detail here and are all within the scope of protection.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A rotary anti-theft lock, characterized in that, comprising: Lock case assembly (1), the end face of described lock case assembly (1) is provided with lock body panel (18), and described lock case assembly (1) is provided with drive plate (11) and drives described drive plate ( 11) Along the convex tooth assembly (13) moving parallel to the lock body panel (18), the convex tooth assembly (13) is rotatably arranged on the bottom surface of the lock housing assembly (1), and the drive plate ( 11) is provided with a trapezoidal groove (111), and the trapezoidal groove (111) has a chute part inclined along the direction close to the convex tooth assembly (13) and away from the lock body panel (18) and parallel to The flat groove portion of the lock body panel (18), the flat groove portion is located at an end of the chute portion close to the lock body panel (18); Rotate the main lock bolt assembly (4) arranged in the lock housing assembly (1), the main lock bolt assembly (4) is telescopically arranged in a direction perpendicular to the lock body panel (18), the main lock The bolt assembly (4) is provided with a main lock bolt protrusion matching the trapezoidal groove (111); A rack assembly (3) that drives the protruding tooth assembly (13) to rotate and move in a direction perpendicular to the lock body panel (18), and the rack assembly (3) approaches the lock body panel (18) When moving in the direction of the convex tooth assembly (13), the driving plate (11) is driven towards the convex tooth assembly (13); rotating the gear assembly (2) arranged in the bottom surface of the lock case assembly (1), the gear assembly (2) meshing with the rack assembly (3); The bolt assembly (5) perpendicular to the lock body panel (18), the bolt assembly (5) is telescopically arranged on the lock housing assembly (1) under the drive of the rack assembly (3) )Inside. 2. The rotary anti-theft lock according to claim 1, characterized in that, the bolt assembly (5) is provided with a bolt projection (51), and the rack assembly (3) has a between the protrusion (51) and the lock body panel (18) and is used to pull the pulling end (323) of the latch tongue protrusion (51); The bolt assembly (5) stretches out the extension spring (15) of the lock housing assembly (1); It also includes a torsion spring (12) pushing the driving plate (11) back to the protruding tooth assembly (13). 3. The rotary anti-theft lock according to claim 1, characterized in that, the rack assembly (3) includes a first tooth condition (31) that is slidingly fitted and connected along the telescopic direction of the main lock bolt assembly (4) and the second tooth condition (32), the first tooth condition (31) is provided with a first rack portion (312) arranged along the sliding direction of the two, and the second tooth condition (32) is provided with a The first rack part (312) is butted with the second rack part (322), and the first tooth condition (31) and the second tooth condition (32) are provided with part (312) and the tension spring (33) that applies tension in the overlapping direction of the second rack part (322), and the second rack part (322) is located on the side close to the lock body panel (18); The gear assembly (2) meshes with the first rack portion (312) and the second rack portion (322). 4. The rotary anti-theft lock according to claim 3, characterized in that, the side of the first tooth condition (31) close to the lock body panel (18) is provided with a first oblique bolt positioning groove (315), The side away from the lock body panel (18) is provided with a first main lock bolt positioning groove (316); The second tooth condition (32) is provided with a second oblique tongue positioning groove (325) matching with the first oblique tongue positioning groove (315) and a second oblique tongue positioning groove (316) matching with the first main lock bolt positioning groove (316). The matching second main lock bolt positioning groove (326), when the first rack portion (312) is docked with the second rack portion (322), the first oblique tongue positioning groove (315) and The second bolt positioning groove (325) coincides with the first main lock bolt positioning groove (316) and the second main lock bolt positioning groove (326); The lock case assembly (1) is provided with a positioning rotary piece (14), and the positioning rotary piece (14) is opposed to the rack assembly (3) by a positioning torsion spring; ) shrinks and the bolt assembly (5) stretches out, the positioning protrusion of the positioning blade (14) and the first bolt positioning groove (315) and the second bolt positioning groove (325) The positioning setting of the coincident part of the positioning; when the main locking bolt assembly (4) is stretched out and the latch tongue assembly (5) is stretching out, the positioning protrusion of the positioning rotary piece (14) is aligned with the first main locking bolt The overlapping portion of the positioning groove (316) and the second main lock bolt positioning groove (326) is positioned and set. 5. The rotary anti-theft lock according to claim 3, further comprising a heaven and earth lock assembly arranged parallel to the lock body panel (18) and an upper slider assembly (6) for switching the sky and earth lock assembly ) and the lower bolt assembly (7); The upper sliding bolt assembly (6) and the lower sliding bolt assembly (7) are respectively arranged on both sides of the lock casing assembly (1) and telescopically arranged on the lock casing parallel to the lock body panel (18). On component (1); The upper sliding bolt assembly (6) is provided with an upper chute (61) inclined away from the lock body panel (18) along the direction in which it protrudes from the lock housing assembly (1), and the lower sliding bolt assembly (7) is provided with a sliding groove (71) inclined away from the lock body panel (18) along the direction extending out of the lock housing assembly (1); The side of the first tooth condition (31) facing away from the second tooth condition (32) is provided with a first chute pin (313) cooperating with the upper chute (61) and with the sliding The slot (71) cooperates with the second sliding slot pin (314) provided. 6. The rotary anti-theft lock according to claim 3, characterized in that, the lock case assembly (1) is provided with a guide shaft (16), and the convex tooth assembly (13) comprises a convex tooth plate (131), The drive plate pin (132) located on the side of the convex tooth plate (131) facing the drive plate (11) and the rotation hole (134) passing through the convex tooth plate (131), the rotation hole (134) Rotately cooperate with the guide shaft (16); The projection position of the rotation hole (134) and the drive plate pin (132) on the convex tooth plate (131) is different; the drive plate (11) is provided with a Matching drive plate cutout (112). 7. The rotary anti-theft lock according to claim 6, characterized in that, a rack pin (133) is provided on the side of the convex tooth plate (131) facing away from the drive plate (11); the second The tooth condition (32) is provided with a second tooth condition opening (324) matched with the rack pin (133); the second tooth condition opening (324), the rotation hole (134) And the projected positions of the drive plate pins (132) on the convex tooth plate (131) are all different. 8. The rotary anti-theft lock according to claim 6, characterized in that, the first tooth condition (31) is provided with a first strip-shaped hole (311) parallel to the first rack portion (312) ), the second tooth condition (32) is provided with a second bar-shaped hole (321) parallel to the second rack part (322); the first bar-shaped hole (311) and the The second strip hole (321) is sheathed on the guide shaft (16). 9. The rotary anti-theft lock according to claim 8, characterized in that, the length of the first strip hole (311) is shorter than the second strip hole (321); When the first rack part (312) is docked with the second rack part (322), the end of the first bar-shaped hole (311) away from the lock body panel (18) is connected to the second bar shaped hole (321) is aligned away from one end of the lock body panel (18); when the first rack part (312) overlaps with the second rack part (322), the first bar-shaped hole (311 ) near the end of the lock body panel (18) is aligned with the end of the second bar-shaped hole (321) near the lock body panel (18). 10. The rotation anti-theft lock according to any one of claims 3-9, characterized in that, a third bar shape is provided on the second tooth condition (32) parallel to the second rack portion (322). The first tooth condition (31) is provided with a connecting pin (34) matching the third bar-shaped hole, and the connecting pin (34) moves along the third bar-shaped hole.