Door handle with connecting rod linkage

Abstract

The utility model discloses a door handle with a linkage, comprising a handle portion and a handle seat connected to a door, wherein a slider, a first linkage and a second linkage are arranged in the handle portion, the handle portion is provided with a first through hole, a locking shaft is arranged in the through hole, one end of the first linkage is rotatably connected to the slider, and the other end is rotatably connected to one end of the second linkage, the other end of the second linkage is connected to the locking shaft and rotates synchronously with the locking shaft, the locking shaft is provided with a second through hole for inserting a locking rod of a door lock, and the locking shaft drives the locking rod to rotate by sliding the slider to switch the locking state of the door lock. The door handle of the utility model switches the locking state of the door lock by sliding the slider in the handle, has a simple structure and is easy to use, and the linkage structure is arranged inside the handle to save space.

Description

Technical Field

[0001] The utility model relates to a door handle, in particular to a door handle with a connecting rod linkage. Background Art

[0002] The handle outside the existing door lock is opened and closed by a key, and the handle inside the door is generally opened and closed by turning a handle arranged below the handle. The above structure causes the handle size to take up more space and also causes the opening size on the door to be larger, which is inconvenient to install and use. Utility Model Content

[0003] In view of the deficiencies in the existing technology, the utility model provides a door handle with a connecting rod linkage.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a door handle with a connecting rod linkage, comprising a handle part and a handle seat connected to the door, the handle part is provided with a slider, a first connecting rod and a second connecting rod, the handle part is provided with a first through hole, a locking shaft is provided in the through hole, one end of the first connecting rod is rotatably connected to the slider, and the other end is rotatably connected to one end of the second connecting rod, the other end of the second connecting rod is connected to the locking shaft and rotates synchronously with the locking shaft, the locking shaft is provided with a second through hole for inserting a locking rod of the door lock, and the locking state of the door lock is switched by sliding the slider to drive the locking shaft to rotate.

[0005] The handle housing is provided with a slide groove, and the corresponding slider is provided with a shifting block sliding in the slide groove, and the slider is driven to slide by shifting the shifting block.

[0006] The slide groove is arranged on the side of the door handle facing the door.

[0007] A non-circular hole is provided at one end of the second connecting rod connected to the locking shaft, and a first boss corresponding to the non-circular hole is provided on the locking shaft, and the non-circular hole is sleeved on the boss.

[0008] The handle portion is provided with a pair of second bosses on both sides of the slider, a groove is formed between the two second bosses, a clamping piece is provided in the groove, the slider is provided with a clamping groove corresponding to the clamping piece, the slider is provided with two groups of clamping grooves corresponding to the unlocking and locking positions, and the clamping piece is clamped into the clamping groove to limit the slider.

[0009] The clamping member comprises a clamping block and a spring supporting the clamping block.

[0010] A pressing plate is fixedly connected inside the handle portion, and the pressing plate is used to press the sliding block, the first connecting rod and the second connecting rod so that they can run in a fixed space.

[0011] The beneficial effects of the utility model are as follows: the door handle of the utility model switches the locking state of the door lock by sliding the slider inside the handle, has a simple structure, is easy to use, and the connecting rod structure is arranged inside the handle, which saves space. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the connecting rod structure of the utility model;

[0014] Figure 3 for Figure 2 The state diagram after the middle slider slides;

[0015] Figure 4 It is a rear view of the utility model;

[0016] Figure 5 It is an exploded schematic diagram of the utility model;

[0017] Figure 6 It is the installation diagram of the utility model. DETAILED DESCRIPTION

[0018] like Figure 1-Figure 5 As shown, a door handle with a linkage includes a handle portion 1 and a handle base 2 connected to the door, wherein a slider 3, a first link 4 and a second link 5 are provided in the handle portion 1, and a first through hole 11 is provided in the handle portion 1, and a locking shaft 6 is provided in the through hole, wherein one end of the first link 4 is rotatably connected to the slider 3, and the other end is rotatably connected to one end of the second link 5, and the other end of the second link 5 is connected to the locking shaft 6 and rotates synchronously with the locking shaft 6, and a non-circular hole 51 is provided at one end of the second link 5 connected to the locking shaft 6, and a first boss 61 corresponding to the non-circular hole 51 is provided on the locking shaft 6, and the non-circular hole 51 is sleeved on the boss, and in this embodiment, the cross-sections of the non-circular hole 51 and the first boss 61 are rectangular, and the cross-sections of the non-circular hole 51 and the first boss 61 may also be triangular, hexagonal, octagonal, etc. In addition, fasteners may be used to connect the second link 5 and the locking shaft 6 so that the other end of the second link 5 and the locking shaft 6 rotate synchronously. As shown Figure 6 As shown, a door lock comprises a lock body 7 and an outside door handle 8. The door handle of the utility model is used as an inside door handle. The outside door handle 8 is provided with a locking rod 81. A through hole is provided in the lock body 7 for the locking rod 81 to pass through. The lock body 7 can be opened and closed by rotating the locking rod 81. The structure of the lock body 7 is a conventional structure of the prior art. The locking shaft 6 is provided with a second through hole 62 for the locking rod 81 of the door lock to be inserted. The locking shaft 6 drives the locking rod 81 to rotate by sliding the slider 3 to switch the locking state of the door lock.

[0019] The handle 1 is provided with a slide groove 12, and the corresponding slider 3 is provided with a shifting block 31 that slides in the slide groove 12, and the slider 3 is driven to slide by shifting the shifting block 31. The slide groove 12 can be arranged on the side of the door handle facing the door, so that the slide groove 12 is not visible from the front, so as to achieve the effect of hiding the slide groove 12.

[0020] The handle portion 1 is provided with a pair of second bosses 13 on both sides of the slider 3, a groove 14 is formed between the two second bosses 13, a clamping piece is provided in the groove 14, the slider 3 is provided with a clamping groove 32 corresponding to the clamping piece, the slider 3 is provided with two groups of clamping grooves 32 corresponding to the unlocking and locking positions, and the clamping piece is clamped into the clamping groove 32 to limit the slider 3.

[0021] The clamping member includes a clamping block 91 and a spring 92 supporting the clamping block 91 .

[0022] A pressing plate 10 is fixedly connected inside the handle 1, and the pressing plate 10 is used to press the slider 3, the first connecting rod 4, and the second connecting rod 5 so that they can run in a fixed space. The pressing plate 10 can be connected to the handle 1 by screws 101, or by snap-fitting.

[0023] The above shows and describes the basic principle, main features and advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, simple changes and substitutions by ordinary technicians in this field are within the protection scope of the utility model.

Claims

1. A door handle with a connecting rod, comprising a handle portion and a handle seat connected to a door, characterized in that: A slider, a first connecting rod and a second connecting rod are provided in the handle part, and a first through hole is provided in the handle part. A locking shaft is provided in the through hole. One end of the first connecting rod is rotatably connected to the slider, and the other end is rotatably connected to one end of the second connecting rod. The other end of the second connecting rod is connected to the locking shaft and rotates synchronously with the locking shaft. The locking shaft is provided with a second through hole for inserting a locking rod of the door lock. The locking state of the door lock is switched by sliding the slider to drive the locking shaft to rotate.

2. A door handle with a linkage as claimed in claim 1, characterized in that: The handle housing is provided with a slide groove, and the corresponding slider is provided with a shifting block sliding in the slide groove, and the slider is driven to slide by shifting the shifting block.

3. A door handle with a linkage as claimed in claim 2, characterized in that: The slide groove is arranged on the side of the door handle facing the door.

4. A door handle with a linkage as claimed in claim 1, characterized in that: A non-circular hole is provided at one end of the second connecting rod connected to the locking shaft, and a first boss corresponding to the non-circular hole is provided on the locking shaft, and the non-circular hole is sleeved on the boss.

5. A door handle with a linkage as claimed in claim 1, characterized in that: The handle portion is provided with a pair of second bosses on both sides of the slider, a groove is formed between the two second bosses, a clamping piece is provided in the groove, the slider is provided with a clamping groove corresponding to the clamping piece, the slider is provided with two groups of clamping grooves corresponding to the unlocking and locking positions, and the clamping piece is clamped into the clamping groove to limit the slider.

6. A door handle with a linkage as claimed in claim 5, characterized in that: The clamping member comprises a clamping block and a spring supporting the clamping block.

7. A door handle with a linkage as claimed in any one of claims 1 to 6, characterized in that: A pressing plate is fixedly connected inside the handle portion, and the pressing plate is used to press the slider, the first connecting rod and the second connecting rod so that they can run in a fixed space.

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