CN217205851U - A door handle with an anti-lock structure - Google Patents

Abstract

The utility model relates to a door handle with an anti-lock structure, which comprises a first handle, the first handle comprises a first base plate and a first door handle body rotatably arranged on the first base plate, and a first handle head is fixedly arranged on the first base plate, The first door handle body is rotatably arranged on the first handle head, the first handle head is provided with a slot, and the first door handle body is movably provided with a first anti-lock slider that prevents the first door handle body from rotating when it is locked, An anti-locking slider is provided with an insertion portion that is inserted into the slot during anti-locking. The first door handle body is also provided with a first anti-lock key for driving the insertion portion to be inserted into the slot. The first anti-lock key is provided with a On the driving surface, the first anti-locking slider is provided with a linkage surface that matches the driving surface; the anti-lock structure is directly arranged on the handle, which reduces the area occupied by the anti-lock structure. probability is greatly reduced.

Description

A door handle with an anti-lock structure

【Technical field】

The utility model relates to the field of locks, in particular to a door handle with an anti-lock structure.

【Background technique】

General indoor door locks (such as house doors, toilet doors, balcony doors, etc.) will be equipped with anti-locking mechanisms. The anti-locking mechanisms usually drive the internal linkage to rotate to lock the door, and the anti-locking mechanisms are set separately. On one side of the handle, this will cause the lock body to have a complex structure and a large volume, and the lock body is prone to failure and damage, causing people to be trapped and endangering our personal safety.

Therefore, the existing technology does not meet our needs.

【Content of utility model】

In order to solve the above problems, the present invention provides a door handle with an anti-lock structure with a simple structure.

To achieve the above object, the utility model provides the following technical solutions:

A door handle with an anti-lock structure includes a first handle, the first handle includes a first bottom plate and a first door handle body rotatably arranged on the first bottom plate, and a first handle is fixed on the first bottom plate. At hand, the first door handle body is rotatably arranged on the first handle head, the first handle head is provided with a slot, and the first door handle body is movably arranged to prevent the first door handle when it is locked A first anti-locking slider that rotates on the body, the first anti-locking slider is provided with an insertion portion that is inserted into the slot during anti-locking, and the first door handle body is also provided with an insertion portion for driving the insertion portion. The first anti-lock key is arranged in the slot, the first anti-lock key is provided with a driving surface, and the first anti-lock slider is provided with a linkage surface that matches the driving surface.

As a preferred embodiment, it is further limited as follows: a linkage portion is provided on the side of the first anti-locking slider away from the insertion portion, and the first anti-lock key is provided with a driving portion adapted to the linkage portion, so The driving surface is arranged on the driving part, and the linkage surface is arranged on the linkage part; the driving surface and the linkage surface are inclined and arranged so that the driving surface is in contact with the linkage surface when the lock is reversed. When the first anti-lock key moves, the driving surface pushes the linkage surface and drives the first anti-lock slider to move, so that the insertion portion is inserted into the slot to complete the anti-lock.

As a preferred embodiment, it is further limited as follows: the outer peripheral surface of the first door handle body is also slidably provided with a sliding key, and the sliding key is fixedly connected with the first anti-locking key so that the sliding key is pulled when the door is locked, The sliding key drives the first anti-locking key to move synchronously.

As a preferred embodiment, it is further defined as follows: the first door handle body is provided with a front accommodating cavity and a rear accommodating cavity, and an insertion hole is provided between the front accommodating cavity and the rear accommodating cavity, so that the front accommodating cavity and the rear accommodating cavity are provided with an insertion hole. The cavities communicate with each other, the first handle head is arranged in the rear accommodating cavity, the slot is aligned with the insertion hole after assembly, and the first anti-locking slider and the first anti-locking key are arranged in the front accommodating cavity. The insertion portion is inserted into the insertion hole, and the first door handle body is further provided with a cover plate for covering the front accommodating cavity.

As a preferred embodiment, it is further limited as follows: the front accommodating cavity is further provided with a spring groove, the first anti-locking slider is provided with an escape groove, and the spring groove is provided with a spring groove for attaching the first anti-locking slider A reset anti-lock return spring, one end of the anti-lock return spring abuts on the bottom wall of the spring groove, and the other end of the anti-lock return spring abuts on the first anti-lock slider.

As a preferred embodiment, it is further limited as follows: the two sides of the first anti-lock key are further provided with an unlocking positioning slot and an anti-locking position slot, the front accommodating cavity is further provided with an assembling slot, and a positioning spring is arranged in the assembling slot and positioning marbles. After assembly, one side of the positioning marbles is clamped in the unlocking positioning groove or the anti-locking positioning groove, and the other side of the positioning marbles abuts on the positioning spring.

As a preferred embodiment, it is further limited as follows: the rear accommodating cavity is provided with a convex first blocking piece, the first handle head is also sleeved with a handle return spring, and the handle return spring is provided with a convex The abutting parts are respectively abutted on the first blocking pieces.

As a preferred embodiment, it is further defined as: it further includes a second handle, the first handle is linked with the lock body and the second handle through a square rod, the second handle includes a second bottom plate and is rotatably arranged on the second handle The second door handle body on the base plate is fixedly provided with a second handle head, and the second handle head and the second base plate are fixedly connected with the first base plate and the first handle head through bolts.

As a preferred embodiment, it is further defined as follows: the rear accommodation cavity is further provided with a raised square rod joint, the square rod joint is provided with a first rod hole adapted to the square rod, the second rod The door handle body is provided with a second accommodating cavity, the second accommodating cavity is further provided with a connecting piece, and the connecting piece is provided with a second rod hole adapted to the square rod.

As a preferred embodiment, it is further limited as follows: the first door handle body is further provided with a mounting member and a linkage member located between the first anti-lock slider and the first anti-lock key, and the linkage member is provided with a rotating disk and a linkage protrusion integrally formed with the rotating disk, the mounting member is provided with a rotating space for accommodating the rotating disk, a mounting hole for the linkage protrusion to be inserted into, and a sliding groove for the linkage portion to slide. The end face of the end of the disk away from the linkage protrusion is provided with a raised rotating protruding rod, the rotating protruding rod is eccentrically arranged, and the first anti-lock key is provided with a linkage matching with the rotating protruding rod The second door handle body is also provided with an anti-lock rotation key, the anti-lock rotation key is linked with the linkage member through a linkage rod, and the square rod is provided with a first square rod hole through which the linkage rod passes, The connecting piece is provided with a second square rod hole that communicates with the second rod hole; when the anti-locking key is rotated, the linkage rod drives the linkage member to rotate, so that the rotating protruding rod rotates eccentrically And drive the first anti-locking key to move, so that the first anti-locking key pushes the first anti-locking slider to realize the anti-locking.

The beneficial effects of the present utility model are:

1. The anti-lock structure of the present invention is directly arranged on the handle, which reduces the area occupied by the anti-lock structure. The anti-lock structure is simple in structure, easy to disassemble and assemble, and the probability of failure and damage is greatly reduced, which improves the further development and design of the handle. The space is beautiful and generous as a whole;

2. The anti-locking structure of the present invention also includes a mounting member and a linkage member arranged in the body of the first door handle and an anti-lock rotation key arranged on the body of the second door handle. In emergencies such as sudden illness or fainting of the user, and children unable to unlock due to mislocking, there is no need to invite professional unlocking personnel or forcibly break the door lock. By driving the movement of the linkage to unlock, the trapped people can be rescued in time, reducing the safety risks caused by being trapped, protecting our personal safety and reducing our property losses.

【Description of drawings】

Fig. 1 is one of the structural representations of the present utility model;

Fig. 2 is the second structural representation of the present utility model;

Figure 3 is an exploded schematic view of the first handle;

Fig. 4 is the sectional view of the present utility model;

Fig. 5 is the enlarged schematic diagram of A in Fig. 4;

Fig. 6 is the enlarged schematic diagram of B in Fig. 4;

Fig. 7 is the enlarged schematic diagram of C in Fig. 4;

8 is a schematic structural diagram of the first handle with the first door handle body and the cover plate removed and in an unlocked state;

9 is a schematic structural diagram of the first handle with the first door handle body and the cover removed and in a locked state;

Figure 10 is a schematic structural diagram of the first handle with the cover removed and in a locked state;

Figure 11 is an exploded schematic view of the second handle;

Figure 12 is a cross-sectional view of the second handle;

Figure 13 is one of the structural schematic diagrams of the first door handle body;

Figure 14 is the second structural schematic diagram of the first door handle body;

Fig. 15 is one of the structural schematic diagrams of the first handle;

Figure 16 is the second structural schematic diagram of the first handle;

17 is a schematic structural diagram of the first anti-locking slider;

Fig. 18 is the structural representation of the first anti-lock key;

Figure 19 is a schematic structural diagram of a mounting member;

Figure 20 is one of the structural representations of the linkage;

Figure 21 is the second structural schematic diagram of the linkage;

Figure 22 is a schematic structural diagram of the second door handle body;

Figure 23 is one of the structural schematic diagrams of the connector;

Figure 24 is the second schematic diagram of the structure of the connector;

Figure 25 is one of the schematic structural diagrams of the second handle;

Fig. 26 is the second structural schematic diagram of the second handle.

【Detailed ways】

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Understand each technical feature and overall technical solution of the present invention, but it should not be construed as a limitation on the protection scope of the present invention.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution .

Below in conjunction with the accompanying drawings and specific embodiments, the present utility model will be described in further detail:

As shown in FIG. 1 to FIG. 20 , a door handle with an anti-lock structure includes a first handle 100 , and the first handle 100 includes a first bottom plate 10 and a first door rotatably disposed on the first bottom plate 10 The handle body 1, the first base plate 10 is fixedly provided with a first handle head 2, the first door handle body 1 is rotatably arranged on the first handle head 2, and the first handle head 2 is provided with a Slot 21, the first door handle body 1 is movably provided with a first anti-lock slider 3 that prevents the first door handle body 1 from rotating when it is locked, and the first anti-lock slider 3 is inserted into the place when it is locked. The insertion part 31 in the slot 21, the first door handle body 1 is also provided with a first anti-lock key 4 for driving the insertion part 31 to be inserted into the slot 21, the first anti-lock The key 4 is provided with a driving surface 40, and the first anti-lock slider 3 is provided with a linkage surface 30 that matches the driving surface 40; the anti-lock structure is directly arranged on the handle, reducing the area occupied by the anti-lock structure , and the volume of the first base plate 10 is also greatly reduced, the anti-lock structure is simple in structure, easy to disassemble and assemble, the probability of failure and damage is greatly reduced, and the space for further development and design of the handle is increased. It is said that the figure omits the display of the handle decorative cover, and the handle decorative cover should be added together in actual use; the insertion part can also be set on the first handle head 2, and the slot can be set on the first anti-lock slider 3, any conversion settings, unlimited.

As shown in FIGS. 3 to 10 and FIGS. 17 to 18 , in this embodiment, a linkage part 32 is provided on the side of the first anti-locking slider 3 away from the insertion part 31 . The first anti-lock key 4 is provided with a driving portion 41 that is adapted to the linkage portion 32 , the driving surface 40 is provided on the driving portion 41 , and the interlocking surface 30 is provided on the linkage portion 32 ; The driving surface 40 and the interlocking surface 30 are inclined so that the driving surface 40 is in contact with the interlocking surface 30 when locked, and the driving surface 40 pushes the interlocking surface 30 and pushes the interlocking surface 30 when the first locking key 4 moves. The first anti-locking slider 3 is driven to move, so that the insertion portion 31 is inserted into the slot 21 to complete the anti-locking; after assembly, the driving surface 40 faces the linkage surface 30, and the driving surface 40 and the horizontal surface form the first The sum of the first included angle and the second included angle formed by the linkage surface 30 and the horizontal plane is 90 degrees; in this embodiment, the angles of the first included angle and the second included angle are both 45 degrees, so that when locking or unlocking the The vertical movement of the first anti-lock key 4 moving up and down is converted into the lateral movement of the first anti-lock slider 3 moving left and right, and the angle between the first and second angles can also be set to other degrees.

As shown in FIGS. 1 to 7 , in this embodiment, a sliding key 33 is also slidably arranged on the outer peripheral surface of the first door handle body 1 , and the sliding key 33 is connected to the first anti-locking key 4 . The fixed connection enables the sliding key 33 to be pulled during the anti-lock, and the sliding key 33 drives the first anti-locking key 4 to move synchronously; the sliding key 33 can be arranged on the six outer circumferences of the first door handle body 1 according to the actual use scene Any one of the outer peripheral surfaces of the surface can be arranged arbitrarily. In this embodiment, the sliding key 33 is arranged on the inner end face of the first door handle body 1, and the hidden design is not easy to detect, and it is beautiful and elegant, as shown in Figure 9 and the accompanying drawings. As shown in 10, the user pushes the sliding key 33 to move upward, so that it drives the first anti-lock key 4 to move synchronously, and the driving surface 40 is in contact with the linkage surface 30, so that the first anti-lock key 4 4. Push the first anti-locking slider 3 to move toward the direction of the first handle head 2, so that the insertion portion 31 is inserted into the slot 21, and the first door handle body 1 cannot The first bottom plate 10 rotates to complete the anti-locking.

As shown in Figures 4 to 6 and Figures 13 to 14, in this embodiment, the first door handle body 1 is provided with a front accommodating cavity 11 and a rear accommodating cavity 12, the front accommodating cavity 11 and the rear accommodating cavity 12 are provided with an insertion hole 13 so that the front accommodating cavity 11 and the rear accommodating cavity 12 communicate with each other, the first handle head 2 is arranged in the rear accommodating cavity 12, and the slot after assembly A The first door handle body 1 is also provided with a cover plate 19 for covering the front accommodating cavity 11; the cover plate 19 is used to limit the movement of the parts in the front accommodating cavity 11 to ensure the safe operation of each part; The insertion portion 31 is movably arranged in the insertion hole 13 , so that when the first anti-locking slider 3 moves laterally, the insertion portion 31 is inserted into or withdrawn from the slot 21 .

As shown in FIG. 8 , FIG. 10 , FIG. 12 to FIG. 14 and FIG. 17 , in this embodiment, a spring groove 16 is further provided in the front accommodating cavity 11 , and the first anti-locking slider is 3 is provided with an escape groove 34, the spring groove 16 is provided with an anti-lock return spring 17 for resetting the first anti-lock slider 3, and one end of the anti-lock return spring 17 is pressed against the bottom of the spring groove 16. On the wall, the other end of the anti-lock return spring 17 abuts on the first anti-lock sliding block 3. As shown in FIG. 8, when unlocking, the user manually pulls the sliding key 33 to move down, so that the 40 and the linkage surface 30 are disengaged and away from each other, and the first anti-lock slider 3 is moved away from the first handle head 2 under the action of the anti-lock return spring 17, so that the insertion When the portion 31 exits the slot 21, the first door handle body 1 can be rotated relative to the first bottom plate 10, thereby unlocking.

As shown in Fig. 8 to Fig. 10 , Fig. 12 to Fig. 14 and Fig. 18 , in this embodiment, both sides of the first anti-lock key 4 are further provided with an unlocking positioning slot 43 and an anti-locking slot 44. The front accommodating cavity 11 is also provided with an assembly groove 18, and the assembly groove 18 is provided with a positioning spring 45 and a positioning pinball 46. After assembly, one side of the positioning pinball 46 is clamped in the unlocking position. In the positioning slot 43 or the anti-locking slot 44, the other side of the positioning ball 46 abuts on the positioning spring 45; the unlocking positioning slot 43 is located between the driving part 41 and the anti-locking slot 44, so that in the anti-lock When unlocking and unlocking, the user can timely know and understand that the first anti-lock key 4 reaches the predetermined position, that is, know that the insertion portion 31 is inserted into the slot 21 or exits the slot 21, and keeps the insertion portion 31 when the lock is locked. 31 is inserted into the slot 21 to keep the handle in a locked state.

As shown in FIG. 3 , FIG. 6 , FIG. 8 and FIG. 13 , in this embodiment, a raised first blocking piece 121 is provided in the rear accommodating cavity 12 , and the first handle head 2 A handle return spring 22 is also sleeved on the handle, and the handle return spring 22 is provided with a convex contact portion 221, and the contact portion 221 respectively abuts on the first blocking piece 121; the first door handle body 1 When turning to unlock, the first blocking piece 121 pushes the resisting portion 221 to move together, so that the handle return spring 22 compresses and stores force. Reset under reaction force, simple structure, low installation precision, simple and quick installation.

As shown in FIGS. 1 to 2 , 4 to 5 , 11 to 12 , and 22 to 26 , in this embodiment, a second handle 200 is further included, and the The first handle 100 is linked with the lock body and the second handle 200 through the square rod 300. The second handle 200 includes a second bottom plate 20 and a second door handle body 5 rotatably disposed on the second bottom plate 20, so The second base plate 20 is fixedly provided with a second handle head 6, and the second handle head 6 and the second base plate 20 are fixedly connected with the first base plate 10 and the first handle head 2 through bolts 61; The cavity 12 is also provided with a raised square rod joint 14, the square rod joint 14 is provided with a first rod hole 141 which is adapted to the square rod 300, and the second door handle body 5 is provided with a second rod hole 141. The accommodating cavity 51, the second accommodating cavity 51 is further provided with a connecting piece 7, and the connecting piece 7 is provided with a second rod hole 70 adapted to the square rod 300; the second rod hole 70 For inserting the square rod 300, the square rod 300 is linked with the door lock body so that the square rod 300 can drive the lock tongue to expand and contract.

Furthermore, as shown in FIG. 3 , FIG. 11 , FIG. 15 to FIG. 16 and FIG. 25 to FIG. 26 , the end surface of the first handle head 2 facing the first base plate 10 Several protruding first positioning pins 23 are also provided, and the first base plate 10 is provided with first positioning holes 101 into which the first positioning pins 23 are inserted; the second handle head 6 faces the second base plate The end surface of one side of the 20 is also provided with a plurality of raised second positioning pins 65, and the second bottom plate 20 is provided with a second positioning hole 202 into which the second positioning pins 65 are inserted; A positioning nail 23 and a second positioning nail 65, so that the first handle head 2 and the first base plate 10 and the second handle head 6 and the second base plate 20 are fixed on the basis of fixing screws to further strengthen the The circumferential fixing effect of the first handle head 2 on the first base plate 10 and the second handle head 6 on the second base plate 20, and after assembly, the first positioning nail 23 passes through the first positioning hole 101 and the second The two positioning pins 65 are inserted into the door after passing through the second positioning holes 202 to increase the contact strength and prevent the handle from idling after the failure of the fixing screws, resulting in the phenomenon that the lock cannot be unlocked.

Further, as shown in Figures 1 to 2, Figures 4 to 5, Figures 11 to 12, and Figures 22 to 26, further, the second rod The hole 70 is used for inserting the square rod 300 during assembly. After assembly, the second handle 6 and the connecting piece 7 are located in the second accommodating cavity 51 . The bottom wall is fixedly connected, and the connecting piece 7 is rotatably connected with the second handle head 6; the connecting piece 7 is provided with an insertion column 72, and the second rod hole 70 is arranged in the The second handle head 6 is provided with a handle through hole 61 , the second bottom plate 20 is provided with a bottom plate through hole 201 , and the insertion post 72 passes through the handle through hole 61 and the bottom plate through hole 201 in sequence and is exposed at the In addition to the second bottom plate 20 described above, in addition, the accompanying drawings omit the display of the handle decorative cover, and the handle decorative cover should be used together in actual use; through the combination of the second handle head 6 and the connecting piece 7, Instead of the square rod installation structure composed of multiple parts in the prior art, there are few parts, and high assembly accuracy is not required between the second handle 6 and the connecting piece 7, and the second handle 6 only needs to open one for the insertion The handle through hole 61 through which the column 72 passes, the second handle head 6 and the connecting piece 7 can be installed together, thereby reducing the cost, improving the disassembly and assembly efficiency, and the installation is simple and quick, and the connection between the square rod 300 and the connecting piece 7 The length of the contact surface depends on the depth of the second rod hole 70. According to the actual situation, the depth of the second rod hole 70 can be adjusted at any time, and then the length of the contact surface between the square rod 300 and the connecting piece 7 can be adjusted. Compared with the prior art, the length of the contact surface between the rod 300 and the connecting piece 7 is greatly increased, so that the wear and deformation between the square rod 300 and the second rod hole 70 and the sagging of the second door handle body 5 are greatly reduced, and the occurrence of the second door handle body 5 is greatly reduced. The virtual rotation phenomenon of the second door handle body 5 relative to the square bar 300 improves the user's experience.

Further, as shown in FIG. 5 and FIG. 22 to FIG. 26 , the insertion column 72 is provided with a raised first boss 721 , and the inner wall of the handle through hole 61 is provided with The first boss 721 is adapted to the second boss 611; after assembly, the first boss 721 and the second boss 611 abut against each other, so as to play a positioning role; A positioning groove 722 is also opened. After the second handle head 6 and the connecting piece 7 are assembled, the positioning groove 722 is located outside the second handle head 6, and a snap spring or other fixing parts are clamped in the positioning groove 722. Due to the positioning function of a boss 721 and a second boss 611, the connecting piece 7 can be rotatably connected with the second handle head 6 and limit the axial movement of the insertion column 72, preventing the second door The handle body 5 and the connecting piece 7 are pulled out, with few parts, and the installation is simple and quick; of course, the insertion column 72 can also be located in the bottom plate through hole 201 after being assembled, and is not exposed outside the second bottom plate 20; When there are two door handle bodies 5, the second door handle body 5 drives the connecting member 7 to rotate on the second handle head 6 and the second bottom plate 20, so that the connecting member 7 drives the square rod 300 and the spring The tongue is fully retracted, thereby unlocking; furthermore, the drawing omits the illustration of the snap ring.

Furthermore, as shown in FIG. 23 to FIG. 24 , the connecting member 7 is further provided with a mounting plate 71 , and the side of the mounting plate 71 away from the insertion column 72 and the second accommodating cavity 51 The bottom wall is fixedly connected; further, the mounting plate 71 can be manufactured separately and fixedly connected with the insertion column 72 by means of screws or the like. In this embodiment, the mounting plate 71 and the insertion column 72 are integrally formed, reducing the Number of parts for ease of manufacture and installation.

Further, as shown in Figures 4 to 5 and Figures 11 to 12, the mounting plate 71 is provided with a first block 73 that is located on one side of the insertion column 72 and is raised, The side of the second handle head 6 facing the connecting piece 7 is provided with a second protruding block 62 , and the second handle head 6 is also provided with a protrusion on the side of the second block 62 . The positioning column 63 is sleeved with a handle reset torsion spring 66. The handle reset torsion spring 66 is provided with a first extension end 661 and a second extension end 662. The first extension end 661 and The second protruding ends 662 are respectively disposed on both sides of the first block 73 and the second block 62; after assembly, the two first blocks 73 are located between the two second blocks 62; after assembly The central axis of the second rod hole 70 coincides with the axis of the square rod 300, the axis of the handle through hole 61 and the axis of the bottom plate through hole 201, which is convenient for disassembly and assembly, and is convenient for compressing the handle reset torsion spring 66 and facilitating the The handle reset torsion spring 66 drives the second door handle body 5 to reset; when the second door handle body 5 is rotated, the second extension end 662 abuts on the second stopper 62, and the first The stopper 73 drives the first extension end 661 to rotate so as to compress the handle return torsion spring 66, so that the handle return torsion spring 66 is charged. The handle is reset under the reaction force of the handle reset torsion spring 66, and the first stopper 73 is arranged on the connecting member 7, and the second stopper 62 is arranged on the second handle head 6. Compared with the The prior art omits the parts for interlocking reset that are installed on the second door handle body 5, further reducing the number of parts, and also reducing the accuracy required for the installation of the parts, and facilitating disassembly and assembly.

Furthermore, as shown in FIG. 12 and FIG. 22 to FIG. 24 , the end of the mounting plate 71 away from the insertion column 72 is further provided with a plurality of raised connection and positioning bosses 74 . The bottom wall of the second accommodating cavity 51 is provided with a connecting groove 52 adapted to the connecting and positioning boss 74 , and a first connecting hole 75 is also provided on the connecting and positioning boss 74 . The connecting groove 52 A second connecting hole 53 aligned with the first connecting hole 75 after assembly is provided on the bottom wall of the s The door handle body 5 is fixedly connected in the circumferential direction, and the connecting piece 7 is fixedly connected with the second door handle body 5 through the fixing screw of the mounting plate. The connection hole 53 is threaded, which is convenient and quick.

As shown in FIG. 3 to FIG. 11 and FIG. 17 to FIG. 21 , in this embodiment, the first door handle body 1 is further provided with a first anti-lock slider 3 and a first anti-lock in the first door handle body 1 A mounting member 8 and a linking member 9 between the keys 4, the linking member 9 is provided with a rotating disk 91 and a linkage protrusion 92 integrally formed with the rotating disk, and the mounting member 8 is provided with a rotating disk 91. The rotating space 81 , the mounting hole 82 for the interlocking protrusion 92 to be inserted into, and the sliding groove 83 for the interlocking portion 32 to slide. A protrusion is provided on the end surface of the end of the rotating plate 91 away from the interlocking protrusion 92 . The rotating protruding rod 93 is set eccentrically, the first anti-lock key 4 is provided with a linkage groove 47 that is adapted to the rotating protruding rod 93, and the second door handle body 5 is also An anti-locking key 52 is provided, and the second door handle body 5 is provided with a placement hole 54 for the anti-locking key 52 to be placed. 52 is provided with a linkage slot 521 into which the linkage rod 53 is inserted, the square rod 300 is provided with a first square rod hole 301 through which the linkage rod 53 passes, and the connecting member 7 is provided with the second rod hole 301 . The second square rod hole 76 communicated with the rod hole 70, the second square rod hole 76 is for the linkage rod 53 to pass through; when the anti-locking key 52 is rotated, the linkage rod 53 drives the linkage member 9 Rotate, so that the rotating protruding rod 93 rotates eccentrically and drives the first anti-locking key 4 to move, so that the first anti-locking key 4 pushes the first anti-locking slider 3 to realize the anti-locking; the rotating plate 91 is away from the rotating A limiting block 94 is also provided on one end of the protruding rod 93 , and a limiting slot 84 adapted to the limiting block 94 is opened in the rotation space 81 to limit the rotation range of the linkage 9 , that is, limit the anti-locking The rotation angle of the rotary key 52 prevents damage to the anti-lock structure caused by excessive rotation; the handle of the present invention is applied to indoor door locks such as bedroom doors, toilet doors, and balcony doors. The first handle 100 is installed indoors, and the second handle 200 is installed in Outdoor, so that in emergencies such as sudden illness or fainting of users and children unable to unlock due to wrong locking, there is no need to invite professional unlock personnel or forcibly break the door lock. The anti-lock rotation key 52 on the upper part of the device makes it drive the linkage 9 to rotate. At this time, the rotating protruding rod 93 rotates eccentrically and drives the first anti-lock key 4 to move, and the first anti-lock slider 3 faces away from the first The direction of the handle head 2 is moved and reset, so that the insertion portion 31 is withdrawn from the slot 21, and the first door handle body 1 can be rotated relative to the first bottom plate 10 to unlock, so that the trapped person can be rescued in time. Reduce the safety risks caused by being trapped, protect our personal safety, and reduce our property damage.

Furthermore, according to the actual application scenario, the anti-locking key 52 and the linkage rod 53 on the second handle 200 can be removed, so that the utility model can be applied to other doors such as house doors. The anti-locking structure on the first handle 100 plays the role of anti-locking and anti-theft, and the design is ingenious. By changing the structure of the present invention, the present invention can be applied to different scenarios, and the applicable scenarios are wide.

The above are only the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model's patent. Any equivalent structure transformation made by using the contents of the present invention's description and accompanying drawings under the concept of the present utility model, or directly Or indirectly used in other related technical fields are included in the scope of patent protection of the present invention.

Claims (10)

1. A door handle with an inverted lock structure, comprising a first handle (100), the first handle (100) including a first bottom plate (10) and a first door handle body (1) rotatably provided on the first bottom plate (10), characterized in that: a first handle head (2) is fixedly arranged on the first bottom plate (10), the first door handle body (1) is rotatably arranged on the first handle head (2), the first handle head (2) is provided with a slot (21), the first door handle body (1) is movably provided with a first back locking slide block (3) which prevents the first door handle body (1) from rotating when back locking, the first counter lock sliding block (3) is provided with an inserting part (31) which is inserted into the slot (21) during counter lock, the first door handle body (1) is also internally provided with a first anti-locking key (4) used for driving the insertion part (31) to be inserted into the insertion slot (21), the first counter-locking key (4) is provided with a driving surface (40), and the first counter-locking sliding block (3) is provided with a coupling surface (30) matched with the driving surface (40).

2. The door handle with the back lock structure according to claim 1, wherein: a linkage part (32) is arranged on one side, away from the insertion part (31), of the first counter locking slide block (3), a driving part (41) matched with the linkage part (32) is arranged on the first counter locking key (4), the driving surface (40) is arranged on the driving part (41), and the linkage surface (30) is arranged on the linkage part (32); the driving surface (40) and the coupling surface (30) are obliquely arranged, so that the driving surface (40) is attached to the coupling surface (30) during reverse locking, and when the first reverse locking key (4) moves, the driving surface (40) pushes the coupling surface (30) and drives the first reverse locking sliding block (3) to move, so that the insertion part (31) is inserted into the insertion groove (21), and reverse locking is completed.

3. The door handle with the back lock structure according to claim 2, wherein: the outer peripheral surface of the first door handle body (1) is further provided with a sliding key (33) in a sliding mode, the sliding key (33) is fixedly connected with the first anti-locking key (4) so that the sliding key (33) is buckled during anti-locking, and the sliding key (33) drives the first anti-locking key (4) to move synchronously.

4. The door handle with the back lock structure according to claim 3, wherein: the first door handle body (1) is provided with a front accommodating cavity (11) and a rear accommodating cavity (12), an insertion hole (13) is formed between the front accommodating cavity (11) and the rear accommodating cavity (12) to enable the front accommodating cavity (11) to be communicated with the rear accommodating cavity (12), the first handle head (2) is arranged in the rear accommodating cavity (12), the insertion slot (21) is aligned with the insertion hole (13) after assembly, the first anti-locking sliding block (3) and the first anti-locking key (4) are arranged in the front accommodating cavity (11), the insertion part (31) is inserted in the insertion hole (13), and a cover plate (19) used for covering the front accommodating cavity (11) is further arranged on the first door handle body (1).

5. The door handle with the back lock structure according to claim 4, wherein: still be provided with spring groove (16) in preceding holding chamber (11), first anti-slider (3) of locking is provided with keeps away a groove (34), be provided with in spring groove (16) and be used for with anti-reset spring (17) that lock slider (3) reset, the one end of anti-reset spring (17) supports on the diapire of spring groove (16), the other end of anti-reset spring (17) supports on first anti-slider (3) of locking.

6. The door handle with the back lock structure according to claim 5, wherein: the both sides of first anti-lock key (4) still are provided with unblock constant head tank (43) and anti-lock constant head tank (44), still be provided with assembly groove (18) in preceding chamber (11) of holding, be provided with positioning spring (45) and location marble (46) in assembly groove (18), the assembly back one side card of location marble (46) is established in unblock constant head tank (43) or anti-lock constant head tank (44), the opposite side of location marble (46) supports on positioning spring (45).

7. The door handle with the back lock structure according to claim 6, wherein: be provided with bellied first separation blade (121) in the back holds chamber (12), still the cover is equipped with handle reset spring (22) on first handle head (2), handle reset spring (22) are provided with bellied conflict portion (221), conflict portion (221) support respectively on first separation blade (121).

8. The door handle with the back lock structure according to any one of claims 4 to 7, wherein: still include second handle (200), first handle (100) pass through square bar (300) with the lock body with second handle (200) are linked, second handle (200) include second bottom plate (20) and rotate and set up second door handle body (5) on second bottom plate (20), fixed second handle head (6) that are provided with on second bottom plate (20), second handle head (6) and second bottom plate (20) pass through bolt (61) with first bottom plate (10) and first handle head (2) fixed connection.

9. The door handle with the back lock structure according to claim 8, wherein: the back holds and still is provided with bellied square bar in chamber (12) and connects (14), square bar connect (14) be equipped with first pole hole (141) of square bar (300) looks adaptation, second door handle body (5) are provided with the second and hold chamber (51), the second holds and still is provided with connecting piece (7) in chamber (51), seted up on connecting piece (7) with second pole hole (70) of square bar (300) looks adaptation.

10. The door handle with the back lock structure according to claim 9, wherein: the door handle is characterized in that a mounting part (8) and a linkage part (9) which are positioned between the first anti-locking sliding block (3) and the first anti-locking key (4) are further arranged in the first door handle body (1), the linkage part (9) is provided with a rotating disc (91) and a linkage protrusion part (92) which is integrally formed with the rotating disc, the mounting part (8) is provided with a rotating space (81) for accommodating the rotating disc (91), a mounting hole (82) for inserting the linkage protrusion part (92) and a sliding groove (83) for sliding the linkage part (32), a protruding rotating convex rod (93) is arranged on the end face of one end, far away from the linkage protrusion part (92), of the rotating disc (91), the rotating convex rod (93) is eccentrically arranged, a linkage groove (47) matched with the rotating convex rod (93) is arranged on the first anti-locking key (4), and an anti-locking rotating key (52) is further arranged on the second door handle body (5), the back locking rotating key (52) is linked with the linkage piece (9) through a linkage rod (53), a first square rod hole (301) through which the linkage rod (53) penetrates is formed in the square rod (300), and a second square rod hole (76) communicated with the second rod hole (70) is formed in the connecting piece (7); when the anti-locking rotary key (52) is rotated, the linkage rod (53) drives the linkage piece (9) to rotate, so that the rotating convex rod (93) eccentrically rotates and drives the first anti-locking key (4) to move, and the first anti-locking key (4) pushes the first anti-locking sliding block (3) to realize anti-locking.

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