Automobile front door lock device

Abstract

The invention discloses an automobile front door lock device which comprises a door lock shell, a groove is formed in the middle of the inner side of the door lock shell, a door opening handle is movably arranged on one side of the interior of the groove through a rotating shaft, a limiting mechanism for preventing misoperation is arranged between the door lock shell and the door opening handle, and the limiting mechanism comprises a rotating block, a clamping groove and a clamping rod. And a rotating block is movably arranged on one side of the groove in the door lock shell through a bearing, a clamping groove is formed in the outer side surface of the door opening handle, and a clamping rod is fixedly arranged on the outer side surface of the rotating block. The device is good in using effect, the front door co-driver position of the automobile also has the function of preventing misoperation through a simple mechanical structure, and therefore the safety of the automobile can be greatly improved when the automobile faces children and old people.

Description

Technical Field

[0001] The invention relates to the technical field of automobile door locks, in particular to an automobile front door lock device. Background Art

[0002] The door lock device is one of the more important structures in the entire vehicle front door, and the vehicle door lock in the prior art is generally provided with a child lock at the back to prevent children from accidentally opening the door in the back seat while the vehicle is driving, causing danger, and the front door passenger door lock device of the vehicle in the prior art does not have a child lock. In some cases, the elderly have little understanding of the vehicle structure, and when operating the vehicle window opening and closing button, they may accidentally touch the vehicle's front door passenger door lock to open the door handle, and the car front door lock in the prior art generally touches the handle (inside handle), and the vehicle door lock will be unlocked with one click, and there is no child lock or other redundant safety protection structure. Therefore, an improvement in the car front door lock device is needed to address this problem. Summary of the invention

[0003] The object of the present invention is to provide a front door lock device for an automobile to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a car front door lock device, comprising a door lock shell, a groove is arranged in the middle of the inner side of the door lock shell, a door opening handle is movably arranged on one side of the inner side of the groove through a rotating shaft, a limiting mechanism to prevent misoperation is arranged between the door lock shell and the door opening handle, the limiting mechanism comprises a rotating block, a slot, and a locking rod, a rotating block is movably arranged on one side of the groove inside the door lock shell through a bearing, a slot is arranged on the outer surface of the door opening handle, and a locking rod is fixedly arranged on the outer surface of the rotating block.

[0005] Preferably, a notch is provided on one side of the surface of the door lock shell, and the card rod extends through the notch to the inside of the groove and engages in the card slot. The notch can facilitate the card rod to enter the groove and engage in the card slot of the door handle, thereby limiting the door handle and preventing it from rotating to open the door.

[0006] Preferably, a telescopic rod is fixedly provided on a side of the outer surface of the rotating block away from the card rod, a limit block is fixedly provided on the movable end of the telescopic rod, a limit sleeve is fixedly provided on the outer surface of the door lock housing, and the limit block is engaged with one side of the limit sleeve surface; the rotating block cannot rotate because the limit block and the limit sleeve are engaged with each other, and the card rod cannot rotate either; however, when the telescopic rod is pushed to retract, the engagement position of the limit block and the limit sleeve is misaligned, such as Figure 3 As shown, when the limiting block moves to a position where the limiting sleeve is thicker, the rotating block can be rotated.

[0007] Preferably, the cross section of the telescopic rod is rectangular, and the rectangular telescopic rod can drive the rotating block to rotate together with the rotating limit block, thereby preventing the problem of idling of the movable end of the traditional cylindrical telescopic rod when it rotates.

[0008] Preferably, a spring is provided inside the telescopic rod, and the spring can facilitate the telescopic rod to be automatically reset, thereby pushing the limit block to be inserted into the limit sleeve.

[0009] Preferably, a transmission connecting piece is fixedly provided on one side of the surface of the door opening handle, and the door opening handle can be conveniently connected to the subsequent vehicle door lock assembly through the transmission connecting piece, so that the vehicle door lock assembly can be operated by transmission when the handle is turned.

[0010] Compared with the prior art, the present invention has the following beneficial effects: The door handle of the present invention can be limited by a locking rod. When the driver does not want the front passenger to open the door easily, the locking rod can be inserted into the locking groove. In this way, the door handle can be limited and cannot be rotated to open the door. In this way, the front passenger seat of the front door of the car also has the function of preventing misoperation through a simple mechanical structure, thereby greatly improving the safety of the vehicle when facing children and the elderly.

[0011] The present invention has convenient steps for operating the clamping rod. First, the limit block is pushed to shrink the telescopic rod, so that the clamping position of the limit block and the limit sleeve is misaligned. Figure 3 As shown, when the limit block moves to the thicker position of the limit sleeve, the rotating block can be rotated. Rotating the limit block 60° can drive the card rod to rotate 60°, so that the card rod can be moved out of the card slot, or re-inserted into the card slot. After rotating 60°, the limit block is released. In this way, under the action of the spring inside the telescopic rod, the limit block can be re-inserted into the limit position of the limit sleeve, thereby fixing the card rod. The operation of such a device is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of a front door lock device for an automobile according to the present invention; Figure 2 A side view of a front door lock device for an automobile according to the present invention; Figure 3 The present invention is a cross-sectional view of a vehicle front door lock device.

[0013] In the figure: 1. door lock housing; 2. groove; 3. door handle; 4. rotating block; 5. slot; 6. clamping rod; 7. telescopic rod; 8. limit block; 9. limit sleeve; 10. transmission connecting piece; 11. notch. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figure 1-3 The present invention provides a technical solution: a car front door lock device, comprising a door lock housing 1, a groove 2 is arranged in the middle of the inner side of the door lock housing 1, a door handle 3 is movably arranged on one side of the inner side of the groove 2 through a rotating shaft, a limiting mechanism for preventing misoperation is arranged between the door lock housing 1 and the door handle 3, the limiting mechanism comprises a rotating block 4, a card slot 5, and a card rod 6, a rotating block 4 is movably arranged on one side of the groove 2 inside the door lock housing 1 through a bearing, a card slot 5 is arranged on the outer surface of the door handle 3, and a card rod 6 is fixedly arranged on the outer surface of the rotating block 4.

[0016] A notch 11 is provided on one side of the surface of the door lock housing 1, and the clamping rod 6 extends through the notch 11 to the inside of the groove 2 and is engaged in the inside of the clamping groove 5. The notch 11 can facilitate the clamping rod 6 to enter the inside of the groove 2 and be engaged in the inside of the clamping groove 5 of the door opening handle 3, so that the door opening handle 3 can be limited so that it cannot be rotated to open the door; A telescopic rod 7 is fixedly provided on the side of the outer surface of the rotating block 4 away from the clamping rod 6, a limit block 8 is fixedly provided on the movable end of the telescopic rod 7, a limit sleeve 9 is fixedly provided on the outer surface of the door lock housing 1, and the limit block 8 is engaged with one side of the surface of the limit sleeve 9; the rotating block 4 cannot rotate at this time because the limit block 8 and the limit sleeve 9 are engaged with each other, and the clamping rod 6 cannot rotate either. However, when the telescopic rod 7 is pushed to retract, the engagement position of the limit block 8 and the limit sleeve 9 is misaligned. Figure 3 As shown, when the limit block 8 moves to the thicker position of the limit sleeve 9, the rotation block 4 can be rotated; The cross section of the telescopic rod 7 is rectangular, and the rectangular telescopic rod 7 can drive the rotating block 4 to rotate together when the limit block 8 is rotated, thereby preventing the problem of idle rotation of the movable end of the traditional cylindrical telescopic rod 7 when the traditional cylindrical telescopic rod 7 is rotated; The telescopic rod 7 is provided with a spring inside, and the spring can facilitate the telescopic rod 7 to automatically reset, thereby pushing the limit block 8 to be stuck in the limit sleeve 9; A transmission connector 10 is fixedly provided on one side of the surface of the door handle 3, and the door handle 3 can be conveniently connected to the subsequent vehicle door lock assembly through the transmission connector 10, so that the vehicle door lock assembly can be driven and operated when the handle is turned.

[0017] Working principle: When the device is used, the door handle 3 can be conveniently connected to the subsequent door lock assembly through the transmission connecting piece 10, so that the door lock assembly can be driven when the handle is turned, and the door handle can be limited by the clamping rod 6. When the driver does not want the co-pilot passenger to open the door easily, the clamping rod 6 can be clamped into the clamping groove 5, so that the door handle 3 can be limited and cannot be rotated to open the door. In this way, the co-pilot position of the front door of the car also has the function of preventing misoperation through a simple mechanical structure, thereby greatly improving the safety of the form when facing children and the elderly. The steps are convenient when operating the clamping rod 6. First, push the limit block 8 to shrink the telescopic rod 7, so that the clamping position of the limit block 8 and the limit sleeve 9 is misaligned. Figure 3 As shown, when the limit block 8 moves to the thicker position of the limit sleeve 9, the rotating block 4 can be rotated. Rotating the limit block 860° can drive the clamping rod 6 to rotate 60°, so that the clamping rod 6 can be moved out of the clamping slot 5, or re-inserted into the clamping slot 5. After rotating 60°, the limit block 8 is released. In this way, under the action of the spring inside the telescopic rod 7, the limit block 8 can be re-inserted into the limit position of the limit sleeve 9, so that the clamping rod 6 can be fixed. The operation of the device is convenient and quick. This is the working principle of a car front door lock device of the present invention.

[0018] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A front door lock device for an automobile, comprising a door lock housing (1), characterized in that: A groove (2) is provided in the middle of the inner side of the door lock housing (1); a door handle (3) is movably provided on one side of the inner side of the groove (2) via a rotating shaft; a limit mechanism for preventing misoperation is provided between the door lock housing (1) and the door handle (3); the limit mechanism comprises a rotating block (4), a clamping groove (5), and a clamping rod (6); a rotating block (4) is movably provided on one side of the groove (2) inside the door lock housing (1) via a bearing; a clamping groove (5) is provided on the outer surface of the door handle (3); and a clamping rod (6) is fixedly provided on the outer surface of the rotating block (4).

2. The automobile front door lock device according to claim 1, characterized in that: A notch (11) is provided on one side of the surface of the door lock housing (1), and the clamping rod (6) extends through the notch (11) into the interior of the groove (2) and is clamped in the interior of the clamping slot (5).

3. The front door lock device of an automobile according to claim 1, characterized in that: A telescopic rod (7) is fixedly provided on a side of the outer surface of the rotating block (4) away from the clamping rod (6), a limit block (8) is fixedly provided on the movable end of the telescopic rod (7), a limit sleeve (9) is fixedly provided on the outer surface of the door lock housing (1), and the limit block (8) is snap-fitted on one side of the surface of the limit sleeve (9).

4. The front door lock device of an automobile according to claim 3, characterized in that: The cross section of the telescopic rod (7) is rectangular.

5. The front door lock device of an automobile according to claim 3, characterized in that: A spring is arranged inside the telescopic rod (7).

6. The automobile front door lock device according to claim 1, characterized in that: A transmission connection piece (10) is fixedly arranged on one side of the surface of the door handle (3).

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