Fool-lock type door lock assembly without key
By designing a keyless deadbolt door lock assembly, using gear and spring mechanisms to achieve keyless unlocking and automatic locking, the problem of existing deadbolts requiring key rotation and being unable to be opened without a key is solved, thus improving ease of use.
Patent Information
- Application Number
- CN202410971080.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2026-01-20
AI Technical Summary
Existing deadbolt door locks require the key to be turned to engage the bolt in the door frame, increasing the inconvenience of locking the door. In addition, they cannot be opened from the outside without the key, causing inconvenience to the homeowner who may be accidentally locked out.
A keyless deadbolt door lock assembly was designed. By inserting a key into the lock cylinder and rotating it counterclockwise, a gear mechanism drives the unlocking sawtooth rod and the bolt assembly to achieve keyless unlocking and locking. Combined with a pressing column and spring mechanism, it achieves automatic locking, simplifying the locking operation.
It enables keyless unlocking and automatic locking, reducing the hassle of locking doors and improving ease of use.
Smart Images

Figure CN121363342A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of deadbolt, in particular to a deadbolt type door lock assembly without key. BACKGROUND
[0002] A deadbolt type door lock assembly is usually installed on the entrance door of commercial and residential buildings to lock the closed door and provide more security against unwanted entry, in which the deadbolt can be selectively positioned between the unlocking position and the locking position, in the unlocking position, the deadbolt is embedded in the door to allow the door to be opened, in the locking position, the deadbolt extends out of the door to be arranged in the opposite door frame (when the door is closed), thereby locking the closed door, a single lock cylinder and double lock cylinder deadbolt type door lock assembly can be used, which usually contains a swing crank to actuate the deadbolt between the unlocking and locking positions, in the single lock cylinder assembly, the torque sheet connects the crank to the finger knob installed on the inner side of the door (which can be accessed from inside the building) and the lock cylinder which can be accessed from the outer surface of the door, the finger knob can be turned by hand, or the lock cylinder can be operated using a key to turn the torque sheet and actuate the deadbolt between the unlocking and locking positions. In the double lock cylinder assembly, the torque sheet operatively connects the crank to two lock cylinders, which are respectively located on the inner and outer surfaces of the door, and each lock cylinder uses a key to operate the deadbolt.
[0003] Some existing deadbolts need to be rotated by a key to drive the deadbolt into the notch of the door frame when locking the door, increasing the complexity of locking the door, and some deadbolts without keys are automatically started when the door is closed, which requires a key from the outside to open the door, resulting in many homeowners being accidentally locked outside the door without a key, causing many inconveniences.
[0004] Therefore, a deadbolt type door lock assembly without key is needed to solve this problem. SUMMARY
[0005] The present application aims to provide a deadbolt type door lock assembly without key, which aims to solve the problems raised in the background art.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:
[0007] A deadbolt type door lock assembly without key, comprising a key lock shell and a rotary knob lock shell arranged opposite to the key lock shell, the key lock shell is embedded with a fixing assembly, the fixing assembly is embedded with a lock core assembly, the lock core assembly comprises a lock rod, one side of the lock rod is provided with a keyless unlocking assembly, and the other side of the lock rod is provided with a deadbolt assembly, the rotary knob lock shell is embedded with a rotary knob assembly.
[0008] Preferably, the key lock shell is provided with a through hole, one side of the through hole is provided with a fixing groove, the fixing groove is provided with a pressing hole and a spiral hole, and the through hole is embedded with a fixing sleeve.
[0009] Preferably, the fixing assembly comprises a fixing ring, the fixing ring is provided with a ring groove, the ring groove is provided with a ring groove screw hole, the ring groove is embedded with a fixing sleeve, the fixing sleeve is provided with a locking screw, and the locking screw is embedded in the ring groove screw hole.
[0010] Preferably, the fixing sleeve is embedded with a shaft sleeve, the outer side of the shaft sleeve is provided with a plurality of mounting rings, the inner side of the shaft sleeve is embedded with a lock core, the lock core is connected with a lock rod, and the lock rod is provided with a primary gear.
[0011] Preferably, the keyless unlocking assembly comprises an unlocking sawtooth rod, one side of the unlocking sawtooth rod is embedded with a primary gear, the other side of the unlocking sawtooth rod is connected with an intermediate rod, one end of the intermediate rod is provided with a retracting spring, and the retracting spring is connected with a T-shaped sliding frame.
[0012] Preferably, the intermediate rod is embedded in a square groove of a door plate, one side of the square groove is provided with a limiting groove, the limiting groove is embedded with a T-shaped sliding frame, one side of the intermediate rod is connected with a sliding rod, one end of the sliding rod is embedded with a sliding box, one side of the sliding box is provided with a pressing column, and the pressing column is embedded in a pressing hole.
[0013] Preferably, the lock bolt assembly comprises a lock bolt, the lock bolt is embedded in a lock bolt opening of a side door plate, the top surface of the lock bolt is provided with a locking frame, the locking frame is provided with a locking groove, the locking groove is embedded with an unlocking sawtooth rod, one end of the unlocking sawtooth rod is connected with a push bolt spring, and the push bolt spring is connected with the door plate.
[0014] Preferably, the bottom surface of the lock bolt is provided with a blocking rod, one side of the blocking rod is provided with an adjusting rod, the adjusting rod is connected with an unlocking sawtooth rod, one end of the unlocking sawtooth rod is connected with a retracting spring, the unlocking sawtooth rod is embedded with a tertiary gear, one side of the tertiary gear is embedded with a secondary gear, and the secondary gear is embedded with a primary gear.
[0015] Preferably, the knob assembly comprises a knob, the knob is connected with a rotating shaft, the rotating shaft is connected with a lock rod, the rotating shaft is embedded in a base disc, the base disc is embedded in a knob lock shell, and the base disc and the outer side of the circular arc of the fixing ring are embedded with a locking screw.
[0016] Beneficial effects: the present application is inserted into the lock cylinder by the key when unlocking and rotates counterclockwise, the lock cylinder drives the third gear counterclockwise through the first gear and the second gear, and then drives the unlocking sawtooth rod to compress the contraction spring to the right and makes the adjusting rod drive the blocking rod to displace to the right, the blocking rod drives the lock bolt to move to the right in the lock bolt opening and then separates from the groove of the door frame to realize unlocking, the first gear drives the unlocking sawtooth rod to move up at the same time of counterclockwise rotation, and the lock bolt is inserted into the locking groove of the locking frame when the lock bolt completely separates from the lock bolt opening, preventing the rebound of the locking frame, realizing the fixation of the lock bolt; the present application can realize keyless door locking by pressing the pressing column after the door is closed, the pressing column displaces to the inside of the lock in the pressing hole when the pressing column is subjected to the extrusion force, the pressing column drives the sliding box to push the sliding rod to displace forward, the sliding rod drives the intermediate rod to pull the retraction spring to store the elastic potential energy, at the same time, the intermediate rod drives the unlocking sawtooth rod to separate from the locking groove, the locking frame is pushed by the push bolt spring after losing the restriction of the unlocking sawtooth rod, and then drives the lock bolt to extend from the lock bolt opening to engage the groove of the door frame to realize automatic keyless door locking, greatly reducing the complexity of door locking, and being convenient and practical. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only exemplary, and other drawings can be obtained by the provided drawings without creative labor for those skilled in the art.
[0018] Figure 1 It is the overall structure diagram of the present application;
[0019] Figure 2 It is the internal structure diagram of the present application;
[0020] Figure 3 It is the fixed assembly structure diagram of the present application;
[0021] Figure 4 It is the lock cylinder assembly structure diagram of the present application;
[0022] Figure 5 It is the lock bolt assembly structure diagram of the present application;
[0023] Figure 6 It is the keyless unlocking assembly structure diagram of the present application;
[0024] Figure 7 It is the lock rod connection relationship structure diagram of the present application.
[0025] Legend:
[0026] 1, key lock shell; 2, knob lock shell; 3, fixed assembly; 4, lock core assembly; 5, lock rod; 6, keyless unlocking assembly; 7, lock bolt assembly; 8, knob assembly; 11, through hole; 12, fixed groove; 13, pressing hole; 14, spiral hole; 31, fixed sleeve; 32, fixed ring; 321, ring groove; 322, ring groove screw hole; 33, shaft sleeve; 331, mounting ring; 34, locking screw; 41, lock core; 51, primary gear; 61, unlocking sawtooth rod; 62, intermediate rod; 621, retraction spring; 63, T-shaped sliding frame; 622, door plate; 631, square groove; 632, limiting groove; 64, sliding rod; 641, sliding box; 65, pressing column; 71, lock bolt; 72, side door plate; 721, lock bolt opening; 711, locking frame; 712, locking groove; 722, push bolt spring; 73, blocking rod; 731, adjusting rod; 732, unlocking sawtooth rod; 74, retraction spring; 741, tertiary gear; 742, secondary gear; 81, knob; 82, rotating shaft; 83, base disc. DETAILED DESCRIPTION
[0027] The application will be further described in conjunction with the drawings and examples. Obviously, the described examples are only a part of the examples of the application, rather than all the examples. The examples in the application and the features in the examples can be combined with each other without conflict. Based on the examples in the application, all other examples obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.
[0028] It should be noted that if the application examples involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings). If the certain posture changes, the directional indications also change accordingly.
[0029] In addition, "a plurality of" means two or more. In addition, the technical solutions of each example can be combined with each other, but it must be based on the fact that a person of ordinary skill in the art can realize it. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope of the application.
[0030] Please refer to the drawings in the description Figures 1-7 A keyless deadbolt type door lock assembly includes a key lock shell 1 and a knob lock shell 2 arranged opposite to the key lock shell 1. The key lock shell 2 is embedded with a fixed assembly 3. The fixed assembly 3 is embedded with a lock core assembly 4. The lock core assembly 4 includes a lock rod 5. One side of the lock rod 5 is provided with a keyless unlocking assembly 6, and the other side is provided with a lock bolt assembly 7. The knob lock shell 2 is embedded with a knob assembly 8.
[0031] Further, the key lock shell 1 is provided with a through hole 11, one side of the through hole 11 is provided with a fixed groove 12, the fixed groove 12 is provided with a pressing hole 13 and a spiral hole 14, and the through hole 11 is embedded with a fixed sleeve 31.
[0032] Further, the fixed assembly 3 comprises a fixed ring 32, the fixed ring 32 is provided with a ring groove 321, the ring groove 321 is provided with a ring groove screw hole 322, the ring groove 321 is embedded with the fixed sleeve 31, the fixed sleeve 31 is provided with a locking screw 34, and the locking screw 34 is embedded in the ring groove screw hole 322.
[0033] Further, the fixed sleeve 31 is embedded with a shaft sleeve 33, the outer side of the shaft sleeve 33 is provided with a plurality of mounting rings 331, the inner side of the shaft sleeve 33 is embedded with a lock core 41, the lock core 41 is connected with a lock rod 5, the lock rod 5 is provided with a primary gear 51, the shaft sleeve 33 is fixed on the fixed sleeve 31 by the locking screw 34, and the fixed sleeve 31 is fixed in the ring groove 321 of the fixed ring 32 by the locking screw 34.
[0034] Further, the keyless unlocking assembly 6 comprises an unlocking sawtooth rod 61, one side of the unlocking sawtooth rod 61 is embedded with the primary gear 51, the other side is connected with an intermediate rod 62, one end of the intermediate rod 62 is provided with a retraction spring 621, and the retraction spring 621 is connected with a T-shaped sliding frame 63.
[0035] Further, the intermediate rod 62 is embedded in a square groove 631 of a door plate 622, one side of the square groove 631 is provided with a limiting groove 632, the limiting groove 632 is embedded with the T-shaped sliding frame 63, one side of the intermediate rod 62 is connected with a sliding rod 64, one end of the sliding rod 64 is embedded with a sliding box 641, one side of the sliding box 641 is provided with a pressing column 65, the pressing column 65 is embedded in the pressing hole 13, the pressing column 65 can be displaced inwardly to the lock in the pressing hole 13 after the door is closed, the pressing column 65 drives the sliding box 641 to push the sliding rod 64 to displace forwardly, the sliding rod 64 drives the intermediate rod 62 to pull the retraction spring 621 to store elastic potential energy, at the same time, the intermediate rod 62 drives the unlocking sawtooth rod 61 to disengage from the locking groove 712, the locking frame 711 is pushed by the push bolt spring 722 after losing the restriction of the unlocking sawtooth rod 61, and then drives the lock bolt 71 to extend from the lock bolt opening 721 to engage the recess of the door frame to realize automatic keyless door locking, which greatly reduces the complexity of locking the door.
[0036] Further, the lock bolt assembly 7 comprises a lock bolt 71 which is embedded in a lock bolt opening 721 of a side door plate 72, the top surface of the lock bolt 71 is provided with a locking frame 711 which is provided with a locking groove 712 which is embedded with a lock opening sawtooth rod 61, one end of the lock opening sawtooth rod 61 is connected with a push bolt spring 722, the push bolt spring 722 is connected with a door plate 622, the first gear 51 rotates counterclockwise at the same time to drive the lock opening sawtooth rod 61 to move upwards, at the same time the lock bolt 71 is completely separated from the lock bolt opening 721 and inserted into the locking groove 712 of the locking frame 711, preventing the rebound of the locking frame 711, realizing the fixation of the lock bolt 71.
[0037] Further, the bottom surface of the lock bolt 71 is provided with a stop rod 73, one side of the stop rod 73 is provided with an adjusting rod 731 which is connected with a lock opening sawtooth rod 732, one end of the lock opening sawtooth rod 732 is connected with a contraction spring 74, the lock opening sawtooth rod 732 is embedded with a third gear 741, one side of the third gear 741 is embedded with a second gear 742, the second gear 742 is embedded with the first gear 51, when unlocking, the key is inserted into the lock cylinder 41 and rotated counterclockwise, driving the lock cylinder 41 to rotate in the shaft sleeve 33, the lock cylinder 41 drives the first gear 51 to rotate counterclockwise, the first gear 51 drives the third gear 741 to rotate counterclockwise through the second gear 742, and further drives the lock opening sawtooth rod 732 to compress the contraction spring 74 to the right and makes the adjusting rod 731 drive the stop rod 73 to displace to the right, the stop rod 73 drives the lock bolt 71 to move to the right in the lock bolt opening 721 and further separates from the recess of the door frame to realize unlocking.
[0038] Further, the knob assembly 8 comprises a knob 81 which is connected with a rotating shaft 82, the rotating shaft 82 is connected with a lock rod 5, the rotating shaft 82 is embedded in a base disc 83, the base disc 83 is embedded in a knob lock shell 2, the base disc 83 and the outer side surface of the fixed ring 32 are embedded with locking screws 34, the locking screws 34 fix the door lock assembly on the door, at the same time, the base disc 83 and the fixed ring 32 are fixed in the key lock shell 1 and the knob lock shell 2 through the locking screws 34 to realize the overall fixation of the outer frame of the door lock assembly, rotating the knob 81 can drive the lock rod 5 to rotate, and further drive the lock opening and closing operation of the lock bolt 71 on the other side of the door.
[0039] First, the door lock assembly is fixed on the door through the locking screw 34, and the base disc 83 and the fixed ring 32 are fixed in the key lock shell 1 and the rotary knob lock shell 2 through the locking screw 34 to realize the overall fixation of the outer frame of the door lock assembly. When unlocking, the key is inserted into the lock core 41 and rotated counterclockwise, driving the lock core 41 to rotate in the shaft sleeve 33, the lock core 41 drives the primary gear 51 to rotate counterclockwise, the primary gear 51 drives the tertiary gear 741 to rotate counterclockwise through the secondary gear 742, and then drives the unlocking sawtooth rod 732 to compress the compression spring 74 to the right and makes the adjusting rod 731 drive the blocking rod 73 to displace to the right, the blocking rod 73 drives the lock bolt 71 to move to the right in the lock bolt opening 721 and then disengages from the groove of the door frame, the primary gear 51 drives the unlocking sawtooth rod 61 to move up at the same time of counterclockwise rotation, and the lock bolt 71 is inserted into the locking groove 712 of the locking frame 711 when the lock bolt 71 completely disengages from the lock bolt opening 721, preventing the rebound of the locking frame 711, realizing the fixation of the lock bolt 71, and then realizing complete unlocking. When locking the door, the keyless door locking can be realized by pressing the pressing column 65. When the pressing column 65 is extruded, it displaces to the inside of the lock in the pressing hole 13, the pressing column 65 drives the sliding box 641 to push the sliding rod 64 to displace forward, the sliding rod 64 drives the intermediate rod 62 to pull the retraction spring 621 to store elastic potential energy, and at the same time, the intermediate rod 62 drives the unlocking sawtooth rod 61 to disengage from the locking groove 712, the locking frame 711 is pushed by the push bolt spring 722 after losing the restriction of the unlocking sawtooth rod 61, and then drives the lock bolt 71 to extend from the lock bolt opening 721 to engage the groove of the door frame to realize automatic keyless door locking, greatly reducing the complexity of door locking and being convenient and practical.
[0040] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
[0041] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0042] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.
Claims
1. A keyless deadbolt door lock assembly, characterized by, The utility model provides a key lock shell (1) and the rotary knob lock shell (2) of being arranged in the opposite side of key lock shell (1), it is characterized by, the key lock shell (2) is embedded with fixed assembly (3), the fixed assembly (3) is embedded with lock core assembly (4), the lock core assembly (4) includes lock bar (5), one side of lock bar (5) is equipped with keyless unlocking assembly (6), and the other side is equipped with lock bolt assembly (7), the rotary knob lock shell (2) is embedded with rotary knob assembly (8).
2. A keyless deadbolt door lock assembly according to claim 1, wherein, The key lock shell (1) is provided with a through hole (11), one side of the through hole (11) is provided with a fixed groove (12), the fixed groove (12) is provided with a pressing hole (13) and a spiral hole (14), and the through hole (11) is embedded with a fixed sleeve (31).
3. A keyless deadbolt door lock assembly according to claim 1, wherein, The fixed assembly (3) includes a fixed ring (32), the fixed ring (32) is provided with a ring groove (321), the ring groove (321) is provided with a ring groove screw hole (322), the ring groove (321) is embedded with the fixed sleeve (31), the fixed sleeve (31) is provided with a locking screw (34), and the locking screw (34) is embedded in the ring groove screw hole (322).
4. A keyless deadbolt door lock assembly according to claim 3 wherein, The fixed sleeve (31) is embedded with a shaft sleeve (33), the outer side of the shaft sleeve (33) is provided with a plurality of mounting rings (331), the inner side of the shaft sleeve (33) is embedded with a lock core (41), the lock core (41) is connected with the lock bar (5), and the lock bar (5) is provided with a primary gear (51).
5. A keyless deadbolt door lock assembly according to claim 1 wherein, The keyless unlocking assembly (6) includes an unlocking serrated rod (61), one side of the unlocking serrated rod (61) is embedded with the primary gear (51), the other side is connected with an intermediate rod (62), one end of the intermediate rod (62) is provided with a retracting spring (621), and the retracting spring (621) is connected with a T-shaped sliding frame (63).
6. A keyless deadbolt door lock assembly according to claim 5 wherein, The intermediate rod (62) is embedded in a square groove (631) of a door plate (622), one side of the square groove (631) is provided with a limiting groove (632), the limiting groove (632) is embedded with the T-shaped sliding frame (63), one side of the intermediate rod (62) is connected with a sliding rod (64), one end of the sliding rod (64) is embedded with a sliding box (641), one side of the sliding box (641) is provided with a pressing column (65), and the pressing column (65) is embedded in the pressing hole (13).
7. A keyless deadbolt door lock assembly according to claim 1 wherein, The lock bolt assembly (7) includes a lock bolt (71), the lock bolt (71) is embedded in a lock bolt opening (721) of a side door plate (72), the top surface of the lock bolt (71) is provided with a locking frame (711), the locking frame (711) is provided with a locking groove (712), the locking groove (712) is embedded with the unlocking serrated rod (61), one end of the unlocking serrated rod (61) is connected with a push bolt spring (722), and the push bolt spring (722) is connected with the door plate (622).
8. A keyless deadbolt door lock assembly according to claim 7, wherein, The lock bolt (71) bottom surface is provided with a stop lever (73), one side of the stop lever (73) is provided with an adjusting lever (731), the adjusting lever (731) is connected with an unlocking serrated rod (732), one end of the unlocking serrated rod (732) is connected with a contraction spring (74), the unlocking serrated rod (732) is embedded with a three-stage gear (741), one side of the three-stage gear (741) is embedded with a two-stage gear (742), the two-stage gear (742) is embedded with a one-stage gear (51).
9. A keyless deadbolt door lock assembly according to claim 1 wherein, The knob assembly (8) comprises a knob (81), the knob (81) is connected with a rotating shaft (82), the rotating shaft (82) is connected with a lock rod (5), the rotating shaft (82) is embedded in a base disc (83), the base disc (83) is embedded in a knob lock shell (2), the base disc (83) and a fixed ring (32) arc outer side surface are embedded with a locking screw (34).