CN218912525U - Antitheft door handle - Google Patents

Abstract

The application relates to a door handle of theftproof relates to lock technical field, it is including rotating outdoor handle and the indoor handle of connection on the door, be equipped with locking mechanical system in the outdoor handle, be equipped with in the indoor handle and be used for with indoor handle swivelling joint on the door first mount pad, control locking mechanical system locking and unlocking's control mechanism, control mechanism includes the first fixing base with indoor handle synchronous rotation, the fixed orifices has been seted up on the first fixing base, the fixed orifices internal rotation is connected with the cooperation axle, the one end of cooperation axle is equipped with the gear, gear engagement cooperation has the rack, set up on the first fixing base with rack sliding connection's spout, be equipped with on the indoor handle and be used for driving the rack in gliding driving piece in the spout, wear to be equipped with in the first fixing base and be used for driving outdoor handle and indoor handle synchronous rotation's square shaft, wear to be equipped with in the cooperation axle and be used for controlling locking mechanical system locking and unlocking. The door handle can improve the burglary resistance of the door handle.

Description

Antitheft door handle

Technical Field

The application relates to the technical field of door locks, in particular to a door handle capable of preventing burglary.

Background

In the related art, the door handle includes an indoor mount pad installed in the door, an outdoor mount pad installed outside the door, an indoor handle rotatably connected to the indoor mount pad, an outdoor handle rotatably connected to the outdoor mount pad, and a lock body provided between the indoor mount pad and the outdoor mount pad, the lock body being provided with a latch, and people can open or close the door by rotating the indoor handle or the outdoor handle to control the latch.

However, since the door handle has no limit structure for limiting the rotation of the indoor handle or the outdoor handle, an outdoor person can arbitrarily rotate the outdoor handle to open the door, resulting in poor theft resistance of the door handle, which has yet to be improved.

Disclosure of Invention

In order to solve the problem of poor burglary resistance of the door handle, the purpose of the application is to provide a burglary-resisting door handle.

The application provides a door handle of theftproof adopts following technical scheme: the utility model provides a door handle of theftproof, its includes outdoor handle and indoor handle of swivelling joint on the door, be equipped with locking mechanical system in the outdoor handle, be equipped with in the indoor handle and be used for connecting the indoor handle swivelling joint on the door first mount pad, control locking mechanical system locking and the control mechanism of unblock, control mechanical system includes the first fixing base of synchronous pivoted with indoor handle, the fixed orifices has been seted up on the first fixing base, the fixed orifices swivelling joint has the cooperation axle, the one end of cooperation axle is equipped with the gear, gear engagement cooperation has the rack, set up on the first fixing base with rack sliding connection's spout, be equipped with on the indoor handle and be used for driving rack gliding driving piece in the spout, wear to be equipped with in the first fixing base and be used for driving the synchronous pivoted square shaft of outdoor handle and indoor handle, wear to be equipped with in the cooperation axle and be used for controlling locking mechanical system locking and unblock square plate, square plate swivelling joint is in the square shaft, one side that the cooperation axle is close to the gear is equipped with the stopper, one side that first fixing base is close to the gear has seted up with stopper matched with spacing groove.

Through adopting above-mentioned technical scheme, when the door handle is in the unblock state, the stopper is contradicted with the spacing groove, and locking mechanical system is in the unblock state this moment, and the user rotates indoor handle, drives first fixing base and rotates, because of stopper and spacing groove conflict, the rotation of first fixing base drives the synchronous rotation of cooperation axle, because of the square shaft wears to locate in the first fixing base and with the synchronous rotation of first fixing base, the square plate wears to locate in the cooperation axle and with the synchronous rotation of cooperation axle, the rotation of first fixing base drives square shaft and square plate rotation to realize opening of door. When the user wants to carry out the locking of door handle, the accessible removes the driving piece, the removal of driving piece drives the rack and removes for the rack slides in the spout, rack and gear engagement, the removal of rack drives gear rotation, make stopper and spacing groove separation, the rotation of first fixing base just can't drive the square plate rotation this moment, and the rotation of gear drives the synchronous rotation of cooperation axle, thereby make wear to locate in the cooperation axle and with cooperation axle synchronous pivoted square plate rotation, locking mechanism's locking can be realized in the rotation of square plate, when the user presses indoor handle or outdoor handle, just can't rotate indoor handle or outdoor handle, thereby make outdoor people can't open the door, the theftproof nature of door handle is improved.

Optionally, be equipped with in the outdoor handle be used for with outdoor handle rotate connect in the second mount pad on the door, set up the collar on the second mount pad, with outdoor handle synchronous rotation's second fixing base, be equipped with on the second fixing base with square shaft synchronous rotation's spacing axle, spacing axle wears to locate second mount pad and collar, the epaxial locking groove that has seted up of spacing, set up on the lateral wall of spacing axle with the locking hole that the locking groove is linked together, locking mechanism is including wearing to locate the roller in the locking hole, with the locking post that the locking groove rotated and be connected, the roller is contradicted with the locking post, locking post and square plate synchronous rotation, set up the gangway that is used for supplying the roller to stretch into in the collar, the roller can shift into or shift out the gangway so that collar and locking post synchronous rotation or relative rotation.

Through adopting above-mentioned technical scheme, when the door handle is in the state of unblock, the roller is whole to be arranged in the locking inslot, can make spacing axle relative collar take place to rotate, when the user rotates indoor handle, the rotation of indoor handle drives first fixing base and rotates in step, stopper and spacing groove conflict this moment, and then drive cooperation axle and first fixing base and rotate in step, the rotation of first fixing base drives the square shaft and rotates, the rotation of cooperation axle drives the square plate and rotates, in the one end that the first fixing base was kept away from to the square shaft stretches into spacing epaxial, alright drive outdoor handle and rotate, realize opening of door, and similarly, if the user rotates outdoor handle, alright drive indoor handle and rotate, so as to realize opening of door. When the user wants to carry out the locking of door handle, user accessible removes the driving piece, the removal of driving piece drives the rack and removes, make rack slip in the spout, rack and gear engagement, the removal of rack drives gear rotation, make stopper and spacing groove separation, the rotation of first fixing base just can't drive the square plate rotation this moment, and the rotation of gear drives the synchronous rotation of cooperation axle, thereby make wear to locate in the cooperation axle and rotate with cooperation axle synchronous pivoted square plate, the rotation of square plate drives the locking post and rotates, the rotation of locking post can be with the ejecting locking groove of roller, the roller stretches out in the locking hole, make the roller arrange between locking groove and the linkage groove, spacing axle just can be spacing in the second mount pad, the spacing axle can not rotate for the collar this moment, when the indoor handle of user drive rotates, the stopper is not with first fixing base contact, indoor handle does not drive spacing axle rotation promptly, make spacing axle rotate in advance through first fixing base and square axle, but because roller embedding in the inslot, the roller also can't move towards spacing axle's axis direction, make indoor handle and door handle rotate, can't make the outdoor door handle of the outdoor can't be opened, can't be rotated, thereby the outdoor can't be made the outdoor anti-theft-proof.

Optionally, a baffle plate for limiting the separation of the matching shaft from the first fixing seat along the central axis direction of the matching shaft is arranged on one side, close to the gear, of the first fixing seat.

Through adopting above-mentioned technical scheme, the setting of baffle can prevent that the cooperation axle from following cooperation axle axis direction and first fixing base separation for the cooperation axle can be more stable rotate and connect in first fixing base.

Optionally, a relief groove is formed in the baffle, and a stop block matched with the relief groove to enable the baffle to drive the matching shaft to rotate is arranged on one side, close to the baffle, of the gear.

Through adopting above-mentioned technical scheme, dog and the groove matched with setting of stepping down for when the user rotates indoor handle in order to drive first fixing base rotation, the setting can be inconsistent with the cell wall of the groove of stepping down at the epaxial dog of cooperation, with drive cooperation axle and first fixing base synchronous rotation, make the synchronous rotation accessible stopper of cooperation axle and first fixing base conflict with the cell wall of spacing groove, the dog is realized with the cell wall conflict of the groove of stepping down, in order to reduce the pressure that the stopper received, and then the life of extension door handle.

Optionally, the driving piece includes fixed plate, the push pedal with spout sliding connection with rack fixed connection, one side that the push pedal is close to the fixed plate is equipped with pushes away the post, set up on the fixed plate with push away the post matched with in order to make the logical groove that the rack removed.

Through adopting above-mentioned technical scheme, when the user wants to carry out locking or unblock of door handle, can promote the push pedal, the pushing post that sets up on the push pedal slides in logical inslot for the fixed plate removes, thereby makes the rack with fixed plate fixed connection remove, and the removal of rack drives gear rotation, and the rotation of gear drives the cooperation axle rotation, alright realize locking or unblock of door handle.

Optionally, an extending hole is formed in the side wall of the indoor handle, and a pushing block extending out of the extending hole is arranged on the pushing plate.

Through adopting above-mentioned technical scheme, the ejector pad stretches out in stretching out the setting in hole, and convenient to use person promotes the push pedal, and the user accessible promotes the ejector pad in order to drive the push pedal and remove.

Optionally, an indication block for indicating the locking state of the locking mechanism is further arranged on the push plate.

By adopting the technical scheme, the setting of the indicating block is convenient for a user to observe the locking state of the locking mechanism.

Optionally, a locating plate is arranged on one side of the first fixing seat, which is close to the push plate, a locating groove is formed in the locating plate, and the push column is slidably connected to the locating groove.

By adopting the technical scheme, the push column is slidably connected in the positioning groove, so that the push plate slides in the indoor handle more stably.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the indoor handle is internally provided with the control mechanism, the outdoor handle is internally provided with the locking mechanism, a user can control the locking mechanism to lock or unlock through the control mechanism, and a person in the room can control the locking mechanism to lock the door handle through the control mechanism, so that the outdoor person cannot open the door through rotating the outdoor handle, and the burglary resistance of the door handle is improved.

2. The driving piece includes the push pedal, has offered on the lateral wall of indoor handle and has stretched out the hole, is equipped with the ejector pad that stretches out in stretching out the hole on the push pedal, and the ejector pad stretches out in stretching out the setting in hole, and convenient to use person promotes the push pedal, and user's accessible promotes the ejector pad in order to drive the push pedal and remove, and still is equipped with the instruction piece in the push pedal, the setting of instruction piece, convenient to use person observes locking mechanical system's locking state.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a baffle embodying an embodiment of the present application;

FIG. 3 is a schematic structural view of a push post according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a square shaft embodying an embodiment of the present application;

FIG. 5 is a schematic view of a square board according to an embodiment of the present application;

FIG. 6 is an exploded view of an embodiment of the present application;

FIG. 7 is a cross-sectional view of a linkage groove embodying an embodiment of the present application;

fig. 8 is a cross-sectional view of a roller embodying an embodiment of the present application.

In the figure, 1, an outdoor handle; 2. a locking mechanism; 21. a roller; 22. locking the column; 3. a second mounting base; 31. a mounting ring; 311. a linkage groove; 4. the second fixing seat; 41. a limiting shaft; 411. a locking groove; 412. a locking hole; 5. an indoor handle; 51. a protruding hole; 6. a first mount; 7. a control mechanism; 71. a first fixing seat; 711. a fixing hole; 712. a chute; 713. a limit groove; 72. a mating shaft; 721. a limiting block; 722. a gear; 723. a stop block; 724. a rack; 73. a driving member; 731. a fixing plate; 732. a through groove; 733. a push plate; 734. pushing a column; 735. a pushing block; 736. an indication block; 74. a square shaft; 75. a square plate; 76. a baffle; 761. a relief groove; 77. a positioning plate; 771. and a positioning groove.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment discloses a burglarproof door handle. Referring to fig. 1 and 2, a burglarproof door handle comprises an outdoor handle 1 and an indoor handle 5, wherein a control mechanism 7 is arranged in the indoor handle 5, a locking mechanism 2 is arranged in the outdoor handle 1, the control mechanism 7 controls locking and unlocking of the locking mechanism 2, a first mounting seat 6 rotationally connected with the indoor handle 5 is further arranged in the indoor handle 5, and the first mounting seat 6 is used for rotationally connecting the indoor handle 5 to a door.

Referring to fig. 1 and 3, the control mechanism 7 includes a first fixing seat 71, the first fixing seat 71 rotates synchronously with the indoor handle 5, a fixing hole 711 is formed in the first fixing seat 71, a mating shaft 72 is rotationally connected to the fixing hole 711, a gear 722 is disposed at one end of the mating shaft 72 away from the outdoor handle 1, a rack 724 is engaged and mated with the gear 722, and a chute 712 for sliding the rack 724 is formed in the first fixing seat 71. The indoor handle 5 is also internally provided with a driving piece 73, the driving piece 73 is used for driving the rack 724 to slide in the chute 712, the driving piece 73 comprises a fixing plate 731 and a pushing plate 733, the fixing plate 731 is fixedly connected with the rack 724, the pushing plate 733 is slidably connected in the chute 712, one side of the pushing plate 733, which is close to the fixing plate 731, is provided with a pushing column 734, and the fixing plate 731 is provided with a through groove 732 for the pushing column 734 to slide. The first fixing seat 71 is internally penetrated with a square shaft 74 for driving the outdoor handle 1 and the indoor handle 5 to synchronously rotate.

Referring to fig. 3 and 5, a square plate 75 for controlling locking and unlocking is penetrated in the mating shaft 72, and the square plate 75 is rotatably coupled to the square shaft 74. A limiting groove 713 is formed in one side, close to the gear 722, of the first fixing seat 71, and the limiting block 721 is matched with the limiting groove 713.

Referring to fig. 6 and 7, a second mounting seat 3 rotatably connected with the outdoor handle 1 is provided in the outdoor handle 1, the second mounting seat 3 is used for rotatably connecting the outdoor handle 1 to a door, a mounting ring 31 is provided on the second mounting seat 3, a second fixing seat 4 rotatably connected with the outdoor handle 1 and a limiting shaft 41 provided on the second fixing seat 4 are also provided in the outdoor handle 1, one end of the square shaft 74, far from the first fixing seat 71, extends into the limiting shaft 41 and rotates synchronously with the limiting shaft 41, the limiting shaft 41 penetrates through the second mounting seat 3 and the mounting ring 31, a locking groove 411 is provided in the middle of the limiting shaft 41, a locking hole 412 is provided on the side wall of the limiting shaft 41, and the locking hole 412 is communicated with the locking groove 411. The locking mechanism 2 comprises a roller 21 and a locking post 22 which is abutted against the roller 21 and rotates synchronously with the square plate 75, the roller 21 can be arranged in the locking hole 412 in a penetrating way, and the locking post 22 is rotatably connected in the locking slot 411. The mounting ring 31 is provided with a linkage groove 311, and the linkage groove 311 can be used for embedding the roller 21.

Referring to fig. 7 and 8, when the door handle is in an unlocked state, the roller 21 is integrally disposed in the locking slot 411, so that the limiting shaft 41 rotates relative to the mounting ring 31, and when the user rotates the indoor handle 5, the rotation of the indoor handle 5 drives the first fixing seat 71 to synchronously rotate.

Referring to fig. 3 and 8, the limiting block 721 abuts against the limiting groove 713, so as to drive the mating shaft 72 and the first fixing seat 71 to rotate synchronously, the rotation of the first fixing seat 71 drives the square shaft 74 to rotate, and the rotation of the mating shaft 72 drives the square plate 75 to rotate, so that one end of the square shaft 74 away from the first fixing seat 71 extends into the limiting shaft 41.

Referring to fig. 7, the outdoor handle 1 is driven to rotate to open the door, and if the user rotates the outdoor handle 1, the indoor handle 5 is driven to rotate to open the door.

Referring to fig. 3 and 5, the pushing post 734 disposed on the pushing plate 733 slides in the through slot 732 at this time, so that the fixing plate 731 moves, and thus the rack 724 fixedly connected to the fixing plate 731 moves, so that the rack 724 slides in the sliding slot 712, the rack 724 is meshed with the gear 722, the movement of the rack 724 drives the gear 722 to rotate, so that the limiting block 721 is separated from the limiting slot 713, and at this time, the rotation of the first fixing seat 71 cannot drive the square plate 75 to rotate.

Referring to fig. 5 and 8, the rotation of the gear 722 drives the mating shaft 72 to rotate synchronously, so that the square plate 75 penetrating the mating shaft 72 and rotating synchronously with the mating shaft 72 rotates, the rotation of the square plate 75 drives the locking post 22 to rotate, the rotation of the locking post 22 can eject the roller 21 out of the locking slot 411, the roller 21 protrudes out of the locking hole 412, so that the roller 21 is placed between the locking slot 411 and the linkage slot 311, the limiting shaft 41 is limited in the second mounting seat 3, and at this time, the limiting shaft 41 cannot rotate relative to the mounting ring 31.

Referring to fig. 3 and 7, when the user drives the indoor handle 5 to rotate, the stopper 721 is not in contact with the first fixing base 71, i.e., the indoor handle 5 does not drive the stopper shaft 41 to rotate.

Referring to fig. 7 and 8, the indoor handle 5 is rotated, and the limiting shaft 41 is pre-rotated by the first fixing seat 71 and the square shaft 74, but since the roller 21 is embedded in the linkage groove 311, the roller 21 cannot move toward the axial direction of the limiting shaft 41, so that the limiting shaft 41 cannot rotate, that is, the indoor handle 5 cannot rotate, that is, the door handle cannot be unlocked, so that an outdoor person cannot open the door, and the theft resistance of the door handle is improved.

Referring to fig. 1 and 2, the side wall of the indoor handle 5 is provided with a protruding hole 51, the push plate 733 is provided with a push block 735, the push block 735 protrudes from the protruding hole 51, so that a user can push the push plate 733 conveniently, and the user can push the push block 735 to drive the push plate 733 to move. The push plate 733 is further provided with an indication block 736, and the indication block 736 is arranged so that a user can observe the locking state of the locking mechanism 2 conveniently. When the user wants to lock the door handle, the user can push the push plate 733 so that the indication block 736 showing that the door handle is in the locked state is exposed from the protruding hole 51.

Referring to fig. 1 and 3, the first fixing base 71 is provided with a positioning plate 77, the positioning plate 77 is disposed on one side close to the push plate 733, a positioning groove 771 is formed in the positioning plate 77, and the push post 734 is slidably connected in the positioning groove 771, so that the push plate 733 slides more stably in the indoor handle 5.

Referring to fig. 2 and 3, a baffle 76 is disposed on a side of the first fixing base 71 adjacent to the gear 722, and the baffle 76 is disposed to prevent the mating shaft 72 from being separated from the first fixing base 71 along the central axis direction of the mating shaft 72, so that the mating shaft 72 can be more stably rotatably connected in the first fixing base 71. And the baffle 76 is provided with a yielding groove 761, one side of the gear 722, which is close to the baffle 76, is provided with a stop 723, and the stop 723 is matched with the yielding groove 761 so that the baffle 76 drives the matching shaft 72 to rotate. The setting of dog 723 and the groove 761 that gives way, when first fixing base 71 rotates, the dog 723 that sets up on mating shaft 72 can be inconsistent with the cell wall of groove 761 that gives way to drive mating shaft 72 and first fixing base 71 synchronous rotation, make the synchronous rotation of mating shaft 72 and first fixing base 71 accessible stopper 721 and the cell wall of limiting groove 713 conflict, dog 723 and the cell wall of groove 761 that gives way conflict realize, in order to reduce the pressure that stopper 721 received, and then the life of extension door handle.

The implementation principle of the embodiment of the application is as follows: when the door handle is in the unlocking state, the limiting block 721 is abutted against the limiting groove 713, and the locking mechanism 2 is in the unlocking state, so that a user rotates the indoor handle 5 to drive the first fixed seat 71 to rotate, the rotation of the first fixed seat 71 drives the matching shaft 72 to synchronously rotate due to the abutting of the limiting block 721 against the limiting groove 713, and the square shaft 74 penetrates into the first fixed seat 71 and synchronously rotates with the first fixed seat 71, and the square plate 75 penetrates into the matching shaft 72 and synchronously rotates with the matching shaft 72, so that the rotation of the first fixed seat 71 drives the square shaft 74 and the square plate 75 to rotate to realize the opening of the door. When a user wants to lock the door handle, the driving member 73 is moved, the movement of the driving member 73 drives the rack 724 to move, so that the rack 724 slides in the chute 712, the rack 724 is meshed with the gear 722, the movement of the rack 724 drives the gear 722 to rotate, so that the limiting block 721 is not contacted with the first fixing seat 71, that is, the indoor handle 5 does not drive the limiting shaft 41 to rotate, the indoor handle 5 rotates, the limiting shaft 41 is pre-rotated through the first fixing seat 71 and the square shaft 74, but the roller 21 cannot move towards the axis direction of the limiting shaft 41 due to the fact that the roller 21 is embedded into the linkage groove 311, so that the limiting shaft 41 cannot rotate, that is, the indoor handle 5 cannot rotate, that is, the door handle cannot be unlocked, so that an outdoor person cannot open the door, and the theft resistance of the door handle is improved.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. An antitheft door handle, characterized in that: the door lock comprises an outdoor handle (1) and an indoor handle (5) which are rotatably connected to a door, wherein a locking mechanism (2) is arranged in the outdoor handle (1), a first mounting seat (6) for rotatably connecting the indoor handle (5) to the door and a control mechanism (7) for controlling the locking mechanism (2) to lock and unlock are arranged in the indoor handle (5), the control mechanism (7) comprises a first fixing seat (71) which synchronously rotates with the indoor handle (5), a fixing hole (711) is formed in the first fixing seat (71), a matching shaft (72) is rotatably connected to the fixing hole (711), a gear (722) is arranged at one end of the matching shaft (72), a rack (724) is meshed and matched with the gear (722), a sliding groove (712) which is slidably connected with the rack (724) is formed in the first fixing seat (71), a driving piece (73) which is used for driving the rack (724) to slide in the sliding groove (712) is arranged on the indoor handle (5), a locking plate (74) which is used for driving the indoor handle (1) to synchronously rotate with the locking shaft (72) is arranged in the first fixing seat (71), the square plate (75) is rotationally connected in the square shaft (74), a limiting block (721) is arranged on one side, close to the gear (722), of the matching shaft (72), and a limiting groove (713) matched with the limiting block (721) is formed on one side, close to the gear (722), of the first fixing seat (71).

2. A theft-proof door handle according to claim 1, characterized in that: the outdoor handle (1) is internally provided with a second mounting seat (3) for rotatably connecting the outdoor handle (1) to a door, a mounting ring (31) arranged on the second mounting seat (3) and a second fixing seat (4) which is synchronously rotated with the outdoor handle (1), the second fixing seat (4) is provided with a limiting shaft (41) which is synchronously rotated with a square shaft (74), the limiting shaft (41) is penetrated in the second mounting seat (3) and the mounting ring (31), the limiting shaft (41) is provided with a locking groove (411), the side wall of the limiting shaft (41) is provided with a locking hole (412) which is communicated with the locking groove (411), the locking mechanism (2) comprises a roller (21) penetrating through the locking hole (412) and a locking column (22) which is rotationally connected with the locking groove (411), the roller (21) is in conflict with the locking column (22) and synchronously rotated with the square plate (75), the mounting ring (31) is internally provided with a locking groove (311) which is used for enabling the roller (21) to extend into or move out of the locking column (311) in a linkage way.

3. A theft-proof door handle according to claim 1, characterized in that: one side of the first fixing seat (71) close to the gear (722) is provided with a baffle (76) used for limiting the separation of the matching shaft (72) from the first fixing seat (71) along the central axis direction of the matching shaft (72).

4. A theft-proof door handle according to claim 3, characterized in that: the baffle (76) is provided with a yielding groove (761), and one side of the gear (722) close to the baffle (76) is provided with a stop block (723) matched with the yielding groove (761) so that the baffle (76) drives the matched shaft (72) to rotate.

5. A theft-proof door handle according to claim 1, characterized in that: the driving piece (73) comprises a fixed plate (731) fixedly connected with the rack (724) and a pushing plate (733) slidingly connected with the chute (712), a pushing column (734) is arranged on one side, close to the fixed plate (731), of the pushing plate (733), and a through groove (732) matched with the pushing column (734) to enable the rack (724) to move is formed in the fixed plate (731).

6. The antitheft door handle of claim 5 wherein: the side wall of the indoor handle (5) is provided with an extending hole (51), and the push plate (733) is provided with a push block (735) extending out of the extending hole (51).

7. The antitheft door handle of claim 5 wherein: the push plate (733) is also provided with an indication block (736) for indicating the locking state of the locking mechanism (2).

8. The antitheft door handle of claim 5 wherein: one side of the first fixing seat (71) close to the push plate (733) is provided with a positioning plate (77), a positioning groove (771) is formed in the positioning plate (77), and the push column (734) is connected to the positioning groove (771) in a sliding mode.

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