CN104533163B - Knob cipher lock - Google Patents

Abstract

The present invention relates to the technical field of anti-theft door locks, and specifically refers to a knob combination lock that is opened by means of a knob combination wheel, mainly including a lock case, a lock body mechanism, and a knob combination mechanism; the box body of the lock body mechanism includes a lock cylinder and a lock Tongue; the lock housing includes a panel and a back plate, and inner and outer handles arranged on both sides of the lock housing, the inner and outer handles can control the movement of the lock tongue; the knob password mechanism includes a There is also a torsion spring for resetting the knob between the knob and the panel, and the torsion spring is sleeved on the rotating shaft; it also includes a control mechanism and a key lock cylinder. Connect with the lock column of the lock body mechanism. The advantage of the present invention is that it provides a novel knob coded lock that prevents the knob coded lock piece from driving the positioning lock piece upwards to impact the coded wheel, innovates the lack and inconvenience of the prior art, and improves the reliability of the knob coded lock , Increased the safety of life and property of residents.

Description

Knob Combination Lock

technical field

The invention relates to the technical field of anti-theft door locks, in particular to a knob combination lock that is opened by means of a knob combination wheel.

Background technique

At present, there is a hole in the traditional knob combination lock cylinder on the market, and the combination wheel passes through the hole, such as the application of the knob combination lock on the diary. ZL02228654.3 discloses a patent for invention called the knob combination lock. It is a knob password lock applied to diaries and stamp albums. Most of the inner doors use key locks. If the two are combined, it can not only increase security, improve the anti-theft ability and ensure the safety of life and property, especially in places where shared renting is prevalent, two or more households rent a unit together. Although there are anti-theft doors, it is not enough to effectively prevent theft . If you want to combine the knob coded lock with the ordinary key door lock, you need to redesign the lock cylinder of the rotary knob coded lock. The applicant has developed a knob coded lock. The knob code lock piece drives the positioning lock piece to impact the code wheel upwards, so there is a certain potential safety hazard. Therefore, in view of the lack and inconvenience of the above-mentioned prior art, the applicant adheres to the spirit of research, innovation and excellence, and uses his professional vision And professional knowledge, research out a kind of knob combination lock.

Contents of the invention

The purpose of the present invention is to overcome the disadvantages of the prior art, thereby providing a rotary combination lock.

The technical scheme of the present invention mainly includes a lock case, a lock body mechanism, and a knob password mechanism; the box body of the lock body mechanism includes a lock cylinder and a dead bolt; The outer and inner handles on both sides of the inner and outer sides can control the movement of the lock tongue; the knob password mechanism includes a knob inserted on the rotating shaft, and a torsion spring for resetting the knob is set between the knob and the panel. The torsion spring is sheathed on the rotating shaft; it also includes a control mechanism and a key lock core, the control mechanism is connected with the knob password mechanism through the rotating shaft, and the control mechanism is connected with the lock column of the lock body mechanism through the key lock core.

The control mechanism includes combination lock plate, positioning lock plate, interference lock plate, lock cylinder lock plate, linkage lock plate, shift block, external shift fork, internal shift fork, code wheel, reset lock plate; the code lock plate , positioning lock, interference lock, and reset lock are set in parallel, and the dial is set in the center hole of the combination lock, positioning lock, and interference lock, and the lock column lock or linkage lock resets the dial, and the lock The column lock piece is inserted into the chute of the linkage lock piece through the bolt; the positioning lock piece is set under the combination wheel, and the knob and combination wheel of the knob combination mechanism are respectively installed at both ends of the rotating shaft; when locking, the combination lock piece controls the outer shift fork movement; the inner shift fork controls the movement of the combination lock piece.

Both the combination lock piece and the interference lock piece are reset by the main spring at the bottom; after the combination lock piece is lifted upwards as a whole, the protrusions on the top can be inserted into the unlocking slots at the rear of the combination wheel, and the interference protrusions are inserted into the evenly distributed Among the plurality of slots, the slots include at least two different depths; the interfering lock piece and the combination lock piece are connected to the connection hole through the linkage piece, and the interfering post protruding from the top of the interfering lock piece is connected to the Convex corresponding.

The rotary knob password mechanism also includes a rotation damper engaged by a gear set; the rotation damper includes a counterweight, and a ratchet positioning device arranged on the end face of the counterweight; the ratchet positioning device includes a ratchet and a pawl, The pawl controls the one-way movement of the ratchet. The ratchet is installed on the rotating shaft. When the knob is rotated, the ratchet rotates around the rotating shaft; the pawl is fixed on the counterweight. When the knob is reset, the ratchet moves The counterweights rotate together. A spline shaft is arranged on the top of the rotating shaft, and the ratchet is fixed on the spline shaft; the gear set includes a transmission gear and a driven gear that mesh with each other, and the transmission gear and the driven gear are respectively arranged on the knob and the counterweight. bottom.

The control mechanism also adds an emergency unlocking mechanism, including a closed box with a first rectangular hole on the top, and an emergency gear with a second rectangular hole and an adjustment hole in the middle of the box; an emergency break hole is set on the panel, and the emergency break hole Corresponding to the adjustment hole; the emergency gear is evenly distributed with small holes corresponding to the password wheel gear, and the proofreading screw is installed in the small hole.

The emergency unlocking mechanism is provided with a protruding post corresponding to the combination lock piece, the lower end of the protruding post is elastically connected to the positioning bead and the pressing spring, the protruding post moves downward along the first rectangular hole and is inserted into the second rectangular hole, and the positioning bead is pressed against the spring Under the action, it is stuck in the tooth groove of the emergency gear.

The cipher wheel also includes a ring of gears covering the outside of the side wall, and the positioning locking piece is inserted in the gear of the ciphering wheel, which can be arranged up and down, left and right, or at other angles. The positioning locking piece also includes a positioning block and a positioning spring, the positioning block is embedded in the positioning gear on the side wall of the code wheel to limit the free rotation of the code wheel; the positioning spring is arranged between the positioning block and the positioning lock plate, so that the positioning block moves as a limit between the positioning lock plates; A concave groove is arranged on the positioning lock piece, and the bottom of the positioning block has a cross bar bent to one side. The cross bar is assembled in the concave groove, connected with the positioning spring and slides along the groove, and is limited by the top of the concave groove.

The rear portion of the rotating shaft is also provided with a reset code post, which engages with the reset code teeth on the code wheel; when the code is reset, the code lock piece drives the reset lock piece and the through hole on the back plate Coincide with the transparent hole on the reset lock plate, separate the reset password column and reset password tooth, and rotate the knob to make the reset password column and reset password teeth mesh again to complete the reset password; the connection between the shaft and the knob Also install a return spring.

The shifting block includes an anti-lock knob arranged behind the back panel, and the shifting block rotates coaxially with the key lock cylinder;

The shift block also includes a first shift fork and a second shift fork, the first shift fork is arranged in the central hole of the combination lock piece, the positioning lock piece, and the interference lock piece, and controls the movement of the combination lock piece, the positioning lock piece, and the interference lock piece , the lock cylinder lock piece or the linkage lock piece controls the reset of the second shift fork.

The outer shift fork is also connected to the outer handle through the outer handle shaft, and the inner shift fork is also connected to the inner handle through the inner handle shaft; the outer shift fork includes a first pull rod and a second pull rod, and the inner shift fork includes Lifting blocks and levers, correspondingly, the middle part of the combination lock plate has a locking block that blocks the rotation of the outer shift fork; the side of the combination lock plate has a blocking block that blocks the lever; the first pull rod rotates around the upper or lower edge of the locking block Rotate, the lever is pressed on the blocking block; the second pull rod is pressed on the notch of the interlocking locking plate; the outer shift fork and the inner shift fork are coaxially arranged, the inner handle shaft is coaxially sleeved on the outer handle shaft, and the inner handle The rotating shaft of the hand and the rotating shaft of the outer handle are connected to each other through a semi-circular arc and are in contact.

The control mechanism is arranged between the backboard and the rear partition, and the rear partition and the backboard form a closed space; the knob password mechanism is arranged between the panel and the front partition, and the front partition and the panel form a closed space.

The invention has the advantage of providing a knob combination lock that prevents the combination lock piece from driving the positioning lock piece upwards to impact the combination wheel, innovates the lack and inconvenience of the prior art, improves the reliability of the knob combination lock, and increases the The safety of life and property of residents.

Description of drawings

Fig. 1 is one of schematic diagrams of the present invention.

Fig. 2 is the second schematic diagram of the present invention.

Fig. 3 is one of the schematic diagrams inside the lock case.

Fig. 4 is the second schematic diagram of the interior of the lock case.

Figure 5 is one of the schematic diagrams of the control mechanism.

Figure 6 is the second schematic diagram of the control mechanism.

Fig. 7 is the third schematic diagram of the control mechanism.

Figure 8 is a structural diagram of the reset locking piece.

Fig. 9 is a structure diagram 1 of the password lock piece.

Fig. 10 is the second structural diagram of the combination lock plate.

Figure 11 is a structural diagram of the positioning locking piece.

Fig. 12 is the structure diagram 1 of the interfering locking piece.

Figure 13 is the second structural diagram of the interference locking piece.

Figure 14 is a structural diagram of the lock cylinder lock plate.

Figure 15 is a structural diagram of the interlocking locking piece.

Figure 16 is a block diagram.

Figure 17 is a structural diagram of the outer shift fork.

Figure 18 is a structural diagram of the inner shift fork.

Fig. 19 Structure diagram of cipher wheel.

Figure 20 is an assembly diagram of the combination wheel and the positioning block.

Figure 21 is an embodiment of the connection between the combination lock piece and the interference lock piece.

Fig. 22 is a schematic diagram of the normally open state of the anti-lock knob.

Fig. 23 is a schematic diagram of the locked state of the locked knob.

Fig. 24 is a schematic diagram of the state of locking the door with the anti-lock knob.

Figure 25 is a first schematic diagram of the emergency device.

Figure 26 is the second schematic diagram of the emergency device.

Figure 27 is a diagram of the internal structure of the emergency device.

Figure 28 is the first schematic diagram of the rotary damper.

Figure 29 is the second schematic diagram of the rotary damper.

Figure 30 is the third schematic diagram of the rotary damper.

Figure 31 is the fourth schematic diagram of the rotary damper.

Figure 32 is the fifth schematic diagram of the rotary damper.

Figure 33 is a connection diagram of the inner and outer shafts.

Fig. 34 is a schematic diagram of the password wheel and the password reset axis.

Fig. 35 is a schematic diagram of an embodiment of a safe.

Figure 36 is a schematic diagram of a hotel embodiment.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings 1 to 36 in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than Full examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The present invention mainly includes a lock case 200, a lock body mechanism 100, and a knob password mechanism 300; the box body of the lock body mechanism 100 includes a lock cylinder 11 and a dead bolt 12; the lock case 200 includes a panel 21 and a back plate 22, and The outer and inner handles 242 and 241 arranged on the inner and outer sides of the lock housing 200 can control the movement of the dead bolt 12; , between the knob 31 and the panel 21, a torsion spring 34 for resetting the knob 31 is also set, and the torsion spring 34 is sleeved on the rotating shaft 33; it also includes a control mechanism 400 and a key lock cylinder 500, and the control mechanism 400 is connected to the knob password mechanism through the rotating shaft 33 300 connection, the control mechanism 400 is connected with the lock cylinder 11 of the lock body mechanism 100 through the key lock cylinder 500 .

The control mechanism 400 includes a combination lock piece 41, a positioning lock piece 42, an interference lock piece 43, a lock cylinder lock piece 44, a linkage lock piece 45, a shift block 46, an outer shift fork 47, an inner shift fork 48, a combination wheel 49, Reset lock piece 40, described combination lock piece 41, positioning lock piece 42, interference lock piece 43, reset lock piece 40 are arranged in parallel;

The shifting block 46 is arranged in the central hole of the password lock 41, the positioning lock 42, and the interference lock 43. The lock cylinder lock 44 or the linkage lock 45 resets the dial 46, and the lock cylinder lock 44 is inserted into the linkage through the latch 441. In the chute 451 of the locking piece 45;

The positioning lock piece 42 is arranged below the combination wheel 49, and the knob 31 and the combination wheel 49 of the knob combination mechanism 300 are respectively installed at both ends of the rotating shaft 33;

When locking, the combination lock piece 41 controls the movement of the outer shift fork 47; the inner shift fork 48 controls the movement of the combination lock piece 41.

Both the combination lock piece 41 and the interference lock piece 43 are reset by the main spring 402 at the bottom;

After the combination lock piece 41 is lifted up as a whole, the protrusion 411 on the top can be inserted into the unlocking groove 4921 at the rear of the combination wheel 49 .

The principle of unlocking is that only when all the protrusions 411 are inserted into the corresponding unlocking slots 4921 , the combination lock piece 41 can move upward as a whole, so that the first pull rod 471 rotates around the lower edge of the locking block 413 .

The interference protrusion 431 is inserted into a plurality of evenly distributed slots 492, and the slots 492 include at least two different depths; For connection, the interfering post 431 protruding from the top of the interfering locking piece 43 corresponds to the protruding post 411 , 411 ′.

According to the principle of interference, the depth of the slot 492 can be designed into three different depths at random intervals, so that the depth of contact between each interference post 431 and the slot 492 is different, and the depth of contact between each post 411 and the slot 492 is different. It is not the same, and the contact depth between each boss 411 and the interference boss 431 and the slot 492 will change after the knob 31 is disturbed every time, so when the outer handle 242 is pressed forcibly, no specific rule can be found, thereby causing to interference. It should be noted that the function of the present invention can also be realized when the interfering locking piece 43 is cancelled, so canceling the interfering locking piece 43 can only be regarded as a degraded embodiment of the present invention.

The knob cipher mechanism 300 also includes a rotation damper 35 meshed with the gear set 30; the rotation damper 35 may also use mechanical friction to reduce speed, use gravity to reduce speed, or use fluid to reduce speed.

The rotary damper 35 includes a counterweight 351, and also includes a ratchet positioning device 352 disposed on the end face of the counterweight 351;

The ratchet positioning device 352 includes a ratchet 3521 and a pawl 3522. The pawl 3522 controls the one-way movement of the ratchet 3521. The ratchet 3521 is installed on the rotating shaft 3523. When the knob 31 is rotated, the ratchet 3521 rotates 3523 around the rotating shaft;

The pawl 3522 is fixed on the counterweight 351 , when the knob 31 is reset, the ratchet 3521 rotates together with the counterweight 3541 under the action of the pawl 3522 . A spline shaft 3524 is arranged on the top of the rotating shaft 3523, and the ratchet 3521 is fixed on the spline shaft 3524;

The gear set 30 includes a transmission gear 301 and a driven gear 302 meshing with each other, and the transmission gear 301 and the driven gear 302 are respectively arranged at the bottom of the knob 31 and the counterweight 351 .

The control mechanism 400 also adds an emergency unlocking mechanism 600, including a closed box 61 with a first rectangular hole 611 at the top, and an emergency gear 62 with a second rectangular hole 621 and an adjustment hole 622 in the middle of the box;

An emergency destruction hole 2111 is provided on the panel 21, and the emergency destruction hole 2111 corresponds to the adjustment hole 622;

The emergency gear 62 is evenly distributed with small holes 63 corresponding to the gears of the password wheel 49, and the proofreading screws 631 are installed in the small holes 63.

The emergency unlocking mechanism 600 is provided with a protruding post 411' corresponding to the combination lock plate 41, the lower end of the protruding post 411' is elastically connected to the positioning bead 612 and the pressing spring 613, and the protruding post 411' moves downward along the first rectangular hole 611 Insert the second rectangular hole 621 , and the positioning bead 612 snaps into the tooth groove of the emergency gear 62 under the action of the pressing spring 613 .

The principle of emergency unlocking, in order to prevent the situation of forgetting the password, the user can preset a number that can be remembered in the emergency unlocking mechanism 600 when purchasing the lock. Once the password is forgotten, the emergency destruction hole on the panel 21 can be destroyed 2111, confirm the preset number by rotating the adjustment hole 622 to align the calibration screw 631, so that the boss 411' moves down along the first rectangular hole 611 and inserts it into the second rectangular hole 621, releasing the locked state of a password wheel 49, The remaining two groups of password wheels 49 can be unlocked by trial and error, thereby reducing the number and difficulty of trial and error password groups.

The password wheel 49 also includes a ring of gears 491 coated on the outside of the side wall, and the positioning lock piece 42 is inserted in the gear 491 of the code wheel 49, which can be set up and down, left and right, or at other angles. Sheet 42 also comprises locating block 421 and locating spring 422, and described locating block 421 is embedded in the locating gear 491 of code wheel 49 sidewalls and restricts cipher wheel 49 to rotate freely; , so that the positioning block 421 is limited to move between the positioning lock pieces 42;

The positioning lock piece 42 is provided with a concave groove 423, the bottom of the positioning block 421 has a cross bar 4211 bent to one side, the cross bar 4211 is assembled in the concave groove 423, connected with the positioning spring 422 and slides along the groove, And it is limited by the top of the concave groove 423 .

The rear portion of the rotating shaft 33 is also provided with a reset password column 331, which is meshed with the reset password tooth 493 on the password wheel 49;

The principle of resetting the password, when resetting the password, the password lock piece 41 drives the reset lock piece 40, the transparent hole 401' on the back plate 22 coincides with the transparent hole 401 on the reset lock piece 40, press the password column 331, Make the reset password column 331 separate from the reset password tooth 493, and rotate the knob 31 to drive the password wheel 49 to rotate idly. At this time, a new combination of password numbers can be set, and then the reset password column 331 is reset and the reset password tooth 493 is re-engaged. Finish resetting your password.

A return spring 333 is also installed between the rotating shaft 33 and the knob 31 .

The shifting block 46 includes an anti-lock knob 460 arranged behind the back plate 22, and the shifting block 46 rotates coaxially with the key lock cylinder 500;

Shifting block 46 also comprises first shifting fork 461 and second shifting fork 462, and first shifting fork 461 is arranged on the center hole of combination locking piece 41, positioning locking piece 42, interference locking piece 43, and controls combination locking piece 41, The positioning locking piece 42 and the interference locking piece 43 move, and the locking cylinder locking piece 44 or the linkage locking piece 45 controls the reset of the second shift fork 462 .

Since the inner handle 241 is always in the normally open state, the shifting block 46 includes three usage states, as shown in accompanying drawings 22 to 24:

The outer and inner handles 242 and 241 are normally open, see Figure 22, the first pull rod 471 of the outer shift fork 47 is now located on the upper edge of the locking block 413, press the outer handle 242, the first pull rod 471 is locked around The block 413 is free to rotate, and simultaneously the lock cylinder lock plate 44 and the linkage lock plate 45 can move freely.

In the locked state, see accompanying drawing 23, the first pull rod 471 is limited by the locking block 413, and the second shift fork 462 pushes the lock cylinder lock plate 44 out of the lock housing 200, so to open the door through the outer handle 242, it is necessary to use the knob to open the door. 31 Unlock the password wheel 49, press the outer handle 242 after unlocking, then the lock cylinder lock plate 44 is reset, and the second shift fork 462 is reset to the normally open state.

In the normally closed state of the outer handle, see accompanying drawing 24, the second shift fork 462 limits the position of the interlocking locking piece 45, and if the interlocking locking piece 45 cannot move, the coded locking piece 41 cannot be unlocked, so even if the coded wheel 49 is adjusted, it cannot The door is opened by the outer handle 242, but the door can be opened by the inner handle 241, because the first pull rod 471 is located at the lower edge of the locking block 413, the first pull rod 471 is free to rotate around the locking block 413, and the inner handle 241 is pressed, then the second The second shift fork 472 resets the interlocking locking piece 45 by acting on the notch 452 , and the interlocking locking piece 45 pushes the second shifting fork 462 to reset to the normally open state.

The outer shift fork 47 is connected with the outer handle 242 through the outer handle shaft 2421, and the inner shift fork 48 is connected with the inner handle 241 through the inner handle shaft 2411;

The outer shift fork 47 includes a first pull rod 471 and a second pull rod 472, and the inner shift fork 48 includes a lifting block 481 and a lever 482. Correspondingly, the middle part of the combination lock piece 41 has a locking block 413 that blocks the rotation of the outer shift fork 47; The side of the locking plate 41 has a blocking block 414 that blocks the lever 482;

The first pull rod 471 rotates around the upper or lower edge of the rotation locking block 413, and the lever 482 presses on the blocking block 414; the second pull rod 472 presses on the notch 452 of the interlocking locking piece 45;

The outer shift fork 47 and the inner shift fork 48 are arranged coaxially, the inner handle shaft 2421 is coaxially sleeved on the outer handle shaft 2411, and the inner handle shaft 2421 and the outer handle shaft 2411 are connected to each other through a semicircular arc connection block 2412 , 2422 contacts.

The control mechanism 400 is arranged between the backboard 22 and the rear partition 221, and the rear partition 221 and the backboard 22 form a closed space;

The knob password mechanism 300 is arranged between the panel 21 and the front partition 211 , and the front partition 211 and the panel 21 form a closed space.

The present invention can also be provided with more than three groups of knobs 31 and password wheels 49, such as six groups of structures applied to safe door locks, referring to accompanying drawing 35; and car trunks, etc.

Claims (10)

1. Knob combination lock, mainly including a lock case (200), a lock body mechanism (100), and a knob combination mechanism (300); the box body of the lock body mechanism (100) includes a lock cylinder (11) and a lock tongue (12 ); the lock case (200) includes a panel (21) and a back plate (22), and outer and inner handles (242, 241) arranged on the inside and outside sides of the lock case (200), and the outer and inner handles ( 242, 241) can both control the movement of the lock tongue (12); the knob password mechanism (300) includes a knob (31) inserted on the rotating shaft (33), and a knob (31) and the panel (21) are also provided A torsion spring (34) for resetting the knob (31), the torsion spring (34) is sheathed on the rotating shaft (33); it is characterized in that: It also includes a control mechanism (400) and a key lock cylinder (500). The control mechanism (400) is connected to the knob password mechanism (300) through a rotating shaft (33), and the control mechanism (400) is connected to the lock body mechanism through a key lock cylinder (500). (100) to the lock cylinder (11) to connect, The control mechanism (400) includes a password lock (41), a positioning lock (42), an interference lock (43), a lock cylinder lock (44), a linkage lock (45), a shift block (46), Outer shift fork (47), inner shift fork (48), password wheel (49), reset lock (40), combination lock (41), positioning lock (42), interference lock (43), heavy Set the lock piece (40) in parallel; Shift block (46) is arranged in the central hole of combination lock plate (41), positioning lock plate (42), interference lock plate (43), lock column lock plate (44) or linkage lock plate (45) make shift block ( 46) Reset, the lock cylinder lock piece (44) is inserted into the chute (451) of the linkage lock piece (45) through the latch (441); The positioning lock piece (42) is arranged under the combination wheel (49), and the knob (31) and the combination wheel (49) of the knob combination mechanism (300) are respectively installed at both ends of the rotating shaft (33); When locking, the combination lock plate (41) controls the movement of the outer shift fork (47); the inner shift fork (48) controls the movement of the combination lock plate (41). 2. The knob combination lock according to claim 1, characterized in that: Both the combination lock piece (41) and the interference lock piece (43) are reset by the main spring (402) at the bottom; After the combination lock piece (41) is lifted up as a whole, the protrusions (411) on the top can be inserted into the unlocking slots (4921) at the rear of the combination wheel (49), and the interfering protrusions (431) can be inserted into evenly distributed plural Among the slots (492), the slots (492) include at least two different depths; the interfering lock piece (43) and the password lock piece (41) are connected to the connection hole (412) through the linkage piece (432) , the interfering post (431) protruding from the top of the interfering locking piece (43) corresponds to the protruding post (411, 411'). 3. The knob combination lock according to claim 1, characterized in that: The knob password mechanism (300) also includes a rotation damper (35) engaged by a gear set (30); The rotation damper (35) includes a counterweight (351), and also includes a ratchet positioning device (352) arranged on the end face of the counterweight (351); The ratchet positioning device (352) includes a ratchet (3521) and a ratchet (3522). The ratchet (3522) controls the one-way movement of the ratchet (3521). When the knob (31) is turned, the ratchet (3521) rotates with the rotation shaft (3523); The pawl (3522) is fixed on the counterweight (351), when the knob (31) is reset, the ratchet (3521) rotates together with the counterweight (3541) under the action of the pawl (3522); A spline shaft (3524) is provided on the top of the rotating shaft (3523), and the ratchet (3521) is fixed on the spline shaft (3524); The gear set (30) includes a transmission gear (301) and a driven gear (302) meshing with each other, and the transmission gear (301) and the driven gear (302) are respectively arranged on the knob (31) and the counterweight (351) bottom of. 4. The knob combination lock according to any one of claims 1 to 3, characterized in that: The control mechanism (400) also adds an emergency unlocking mechanism (600), including a closed box (61) with a first rectangular hole (611) on the top, and a second rectangular hole (621) and an adjustment mechanism in the middle of the box. Emergency gear (62) for hole (622); An emergency destruction hole (2111) is provided on the panel (21), and the emergency destruction hole (2111) corresponds to the adjustment hole (622); The emergency gear (62) is evenly distributed with small holes (63) corresponding to the password wheel (49) gear, and the proofreading screw (631) is installed in the small holes (63). 5. The knob combination lock according to claim 4, characterized in that: The emergency unlocking mechanism (600) is provided with a boss (411') corresponding to the combination lock piece (41), and the lower end of the boss (411') is elastically connected to the positioning bead (612) and the pressing spring (613). The column (411') moves down along the first rectangular hole (611) and is inserted into the second rectangular hole (621), and the positioning bead (612) is snapped into the tooth groove of the emergency gear (62) under the action of the pressing spring (613). 6. The knob combination lock according to any one of claims 1 to 3, characterized in that: The password wheel (49) also includes a circle of gears (491) covering the outside of the side wall, the positioning lock piece (42) is inserted in the gear (491) of the code wheel (49), and the positioning lock piece (42) It also includes a positioning block (421) and a positioning spring (422), the positioning block (421) is embedded in the positioning gear (491) on the side wall of the code wheel (49) to limit the free rotation of the code wheel (49); the positioning spring (422) Set between the positioning block (421) and the positioning lock piece (42), so that the positioning block (421) can limit the movement between the positioning lock pieces (42); The positioning lock piece (42) is provided with a concave groove (423), the bottom of the positioning block (421) has a crossbar (4211) bent to one side, and the crossbar (4211) is assembled in the concave groove (423) Among them, it is connected with the positioning spring (422) and slides along the groove, and is limited by the top of the concave groove (423). 7. The knob combination lock according to claim 1, characterized in that: The rear portion of the rotating shaft (33) is also provided with a password reset column (331), which engages with the password reset tooth (493) on the password wheel (49); when the password is reset, the password The locking piece (41) drives the reset locking piece (40), the transparent hole (401') on the back plate (22) coincides with the transparent hole (401) on the reset locking piece (40), press to reset the password Pillar (331), separate the reset code post (331) from the reset code tooth (493), rotate the knob (31), and then re-engage the reset code post (331) and reset code tooth (493), complete reset Password; A return spring (333) is also installed between the rotating shaft (33) and the knob (31). 8. The knob combination lock according to claim 1, characterized in that: The shift block (46) includes an anti-lock knob (460) arranged behind the back plate (22), and the shift block (46) rotates coaxially with the key lock cylinder (500); The shifting block (46) also includes a first shifting fork (461) and a second shifting fork (462). The first shifting fork (461) is arranged on the password lock piece (41), the positioning lock piece (42), the interference lock piece ( 43), and control the combination lock piece (41), positioning lock piece (42), interference lock piece (43) movement, lock cylinder lock piece (44) or linkage lock piece (45) to control the second shift fork ( 462 ) Reset. 9. The knob combination lock according to claim 1, characterized in that: The outer shift fork (47) and the outer handle (242) are also connected through the outer handle shaft (2421), and the inner shift fork (48) and the inner handle (241) are also connected through the inner handle shaft (2411) connect; The outer shift fork (47) includes the first pull rod (471) and the second pull rod (472), and the inner shift fork (48) includes the lifting block (481) and the lever (482). Correspondingly, the middle part of the combination lock piece (41) There is a locking block (413) that blocks the rotation of the outer shift fork (47); there is a blocking block (414) that blocks the lever (482) on the side of the combination lock piece (41); The first pull rod (471) rotates around the upper or lower edge of the rotation locking block (413), and the lever (482) presses on the blocking block (414); mouth (452); The outer shift fork (47) is set coaxially with the inner shift fork (48), the inner handle shaft (2421) is coaxially sleeved on the outer handle shaft (2411), the inner handle shaft (2421) and the outer handle The rotating shafts (2411) are in contact with each other through the semicircular connecting blocks (2412, 2422). 10. The knob combination lock according to claim 1, characterized in that: The control mechanism (400) is arranged between the backboard (22) and the rear partition (221), and the rear partition (221) and the backboard (22) form a closed space; The knob password mechanism (300) is arranged between the panel (21) and the front partition (211), and the front partition (211) and the panel (21) form a closed space.