Automobile, door lock and lock body thereof

Abstract

The utility model relates to the technical field of machinery, and provides an automobile, a door lock and a lock body thereof, which comprise a metal mounting bottom plate, a metal back plate, a metal pawl pin shaft and a metal ratchet pin shaft, the two ends of the metal pawl pin shaft and the two ends of the metal ratchet wheel pin shaft are fixedly connected to the metal installation bottom plate and the metal back plate respectively. According to the automobile, the door lock and the lock body of the automobile, the firmness and stability of the lock body can be improved, and then the dynamic collision strength of the lock body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field especially relates to a car, door lock and lock body thereof. BACKGROUND

[0002] With the improvement of people's requirement for vehicle safety, the requirement of vehicle related regulation to the passenger protection, pedestrian protection, active safety and other modules of vehicle is improved, wherein the side impact test condition in the passenger protection aspect has great upgrade, and the automobile door lock is the key component related in the side impact test, and the collision strength of the lock body needs to be improved.

[0003] Therefore, how to improve the dynamic collision strength of the lock body becomes the technical problem to be solved by the person skilled in the art. UTILITY MODEL CONTENT

[0004] The utility model provides a car, door lock and lock body thereof to solve the problem of not meeting the dynamic collision strength requirement of the door lock in the prior art.

[0005] To solve the foregoing problem, the utility model provides a lock body, which comprises:

[0006] A metal mounting bottom plate;

[0007] A metal back plate, which is arranged in a spaced manner with the metal mounting bottom plate;

[0008] A metal pawl pin shaft, which is fixedly connected to the metal mounting bottom plate and the metal back plate at two ends respectively;

[0009] A metal ratchet pin shaft, which is fixedly connected to the metal mounting bottom plate and the metal back plate at two ends respectively.

[0010] According to one embodiment of the utility model, the metal back plate comprises:

[0011] A plate body;

[0012] A reinforcing rib part, which is fixed to one side of the plate body close to the metal ratchet pin shaft.

[0013] According to one embodiment of the utility model, the metal back plate comprises:

[0014] A first plate body part, which is connected with the metal ratchet pin shaft and spaced from the metal mounting bottom plate by a first distance;

[0015] A second plate body part, which is connected with the metal pawl pin shaft and spaced from the metal mounting bottom plate by a second distance, the extension surface of the second plate body part is parallel to the extension surface of the first plate body part, and the second distance is different from the first distance;

[0016] A connecting plate body part is located between the first plate body part and the second plate body part and connects the first plate body part and the second plate body part.

[0017] According to an embodiment of the present application, the metal ratchet pin shaft comprises:

[0018] A shaft body is fixedly connected to the metal mounting base plate and the metal back plate at both ends;

[0019] A clamping ring is sleeved and fixed to the shaft body, and an installation space between the clamping ring and the metal mounting base plate is adapted to form a gap fit with a ratchet wheel installed in the installation space.

[0020] According to an embodiment of the present application, the shaft body comprises:

[0021] A first shaft body part is fixed to the metal back plate;

[0022] A second shaft body part is fixedly connected to the first shaft body part and the metal mounting base plate, the diameter of the second shaft body part is greater than that of the first shaft body part, and the clamping ring is sleeved and fixed to the second shaft body part.

[0023] According to an embodiment of the present application, the shaft body further comprises:

[0024] A third shaft body part is fixedly connected between the first shaft body part and the second shaft body part, the diameter of the third shaft body part is greater than that of the first shaft body part and less than that of the second shaft body part.

[0025] According to an embodiment of the present application, the material of the metal back plate comprises zinc.

[0026] According to an embodiment of the present application, the metal mounting base plate is provided with a connecting hole, and the connecting hole is away from the metal ratchet pin shaft and the metal pawl pin shaft.

[0027] To solve the foregoing problems, the present application further provides a door lock comprising:

[0028] A housing is provided with a containing cavity;

[0029] The lock body as described in any one of the foregoing is installed in the containing cavity and fixed to the housing.

[0030] To solve the foregoing problems, the present application further provides an automobile comprising the door lock as described above.

[0031] The automobile, the door lock and the lock body thereof have the following advantages: the two ends of the metal ratchet pawl pin shaft and the metal ratchet wheel pin shaft are respectively fixedly connected to the metal mounting bottom plate and the metal back plate, so that the metal mounting bottom plate, the metal ratchet wheel pin shaft, the metal back plate and the metal ratchet pawl pin shaft form a metal closed loop, the fastening stability of the lock body is improved, and the dynamic collision strength of the lock body is improved.

[0032] Additional aspects and advantages of the present application will be described in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the related art, the drawings needed to be used in the following embodiment or related art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0034] Figure 1 It is the front view of the lock body provided by the present application.

[0035] Figure 2 It is the top view of the lock body provided by the present application.

[0036] Figure 3 It is the front view of the metal back plate of the lock body provided by the present application.

[0037] Figure 4 It is the top view of the metal back plate of the lock body provided by the present application.

[0038] Figure 5 It is the front view of the metal ratchet wheel pin shaft of the lock body provided by the present application.

[0039] Reference signs:

[0040] 1, metal back plate; 11, plate body; 111, first plate body part; 112, second plate body part; 113, connecting plate body part; 12, reinforcing rib; 2, metal mounting bottom plate; 21, connecting hole; 3, metal ratchet pin shaft; 31, shaft body; 311, first shaft body part; 312, second shaft body part; 313, third shaft body part; 32, snap ring; 4, metal pawl pin shaft; 5, ratchet wheel; 6, pawl. DETAILED DESCRIPTION

[0041] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0042] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0043] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0044] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0045] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present embodiment. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0046] The following will be described in conjunction with Figures 1-5 The automobile, door lock and lock body provided by the present embodiment are described.

[0047] Please refer to Figure 1 and Figure 2 , Figure 1 is the front view of the lock body provided by the present embodiment; Figure 2 is the top view of the lock body provided by the present embodiment.

[0048] For the convenience of description, the present application first introduces the lock body provided by the present embodiment, as shown in Figure 1 and Figure 2 , the lock body provided by the present embodiment comprises:

[0049] metal mounting plate 2;

[0050] metal back plate 1, the metal back plate 1 is arranged in parallel with the metal mounting plate 2;

[0051] metal pawl pin shaft 4, two ends are respectively fixedly connected to the metal mounting plate 2 and the metal back plate 1;

[0052] metal ratchet pin shaft 3, two ends are respectively fixedly connected to the metal mounting plate 2 and the metal back plate 1.

[0053] In a specific embodiment, in order to improve the convenience and stability of installation, the metal back plate 1 can be parallel to the metal mounting plate 2; it is easy to understand that the metal back plate 1 is parallel to the metal mounting plate 2, which means that the main plane of the two plate bodies is parallel, and specifically, the plane where the first plate body part 111 (shown in Figure 3 ) of the metal back plate 1 is parallel to the plane where the bottom surface of the metal mounting plate 2 is located.

[0054] Of course, in order to further improve the convenience and controllability of installation, the axes of the metal pawl pin shaft 4 and the metal ratchet pin shaft 3 can also be perpendicular to the metal back plate 1 and the metal mounting plate 2.

[0055] It is easy to understand that the metal mounting bottom plate 2, the metal back plate 1, the metal pawl pin shaft 4 and the metal ratchet pin shaft 3 described herein are all made of metal, and have high strength.

[0056] In a specific embodiment, in order to improve corrosion resistance, the material of the metal back plate 1 can include zinc, and specifically can be white zinc or colored zinc. Of course, the metal material of other components can be the same as or different from the material of the metal back plate 1.

[0057] In this way, when connecting, the metal ratchet pin shaft 3 and the metal pawl pin shaft 4 are fixedly connected to the metal mounting bottom plate 2, the ratchet wheel 5 is sleeved on the metal ratchet pin shaft 3, the pawl 6 is sleeved on the metal pawl pin shaft 4, and finally the metal back plate 1 is connected with the metal ratchet pin shaft 3 and the metal back plate 1 is connected with the metal pawl pin shaft 4, thereby completing the installation of the lock body.

[0058] As can be seen, the automobile, the door lock and the lock body provided by the utility model have the advantages that the two ends of the metal pawl pin shaft and the metal ratchet pin shaft are fixedly connected to the metal mounting bottom plate and the metal back plate respectively, so that the metal mounting bottom plate, the metal ratchet pin shaft, the metal back plate and the metal pawl pin shaft form a metal closed loop, thereby improving the firmness and stability of the lock body and further improving the dynamic collision strength of the lock body.

[0059] Specifically, in a specific embodiment, in order to further improve the strength of the metal back plate 1, please refer to Figure 3 and Figure 4 , Figure 3 is a front view of the metal back plate of the lock body provided by the utility model; Figure 4 is a top view of the metal back plate of the lock body provided by the utility model.

[0060] As shown in the figure, the metal back plate 1 provided by the embodiment of the application can include:

[0061] a plate body 11;

[0062] a reinforcing rib portion 12 fixed to one side of the plate body close to the metal ratchet pin shaft 3.

[0063] The reinforcing rib portion 12 can improve the strength of the plate body 11, thereby improving the strength of the metal back plate 1, and the reinforcing rib portion is fixed to the side close to the metal ratchet pin shaft 3, which does not affect the connection of the metal back plate 1 and the shell of the vehicle lock.

[0064] Specifically, the reinforcing rib portion 12 can be formed by recessing the middle part of the plate body 11, or can be formed by additional material outside the complete plate body 11, and the specific forming mode is not limited.

[0065] To accommodate the shape of the housing connected to the metal backplate 1 and facilitate the installation and connection of the metal backplate 1, in one specific embodiment, the metal backplate 1 may include:

[0066] The first plate body 111 is connected to the metal ratchet pin 3 and is spaced apart from the metal mounting base plate 2 by a first distance.

[0067] The second plate portion 112 is connected to the metal pawl pin 4 and is spaced apart from the metal mounting base plate 2 by a second distance. The extension surface of the second plate portion 112 is parallel to the extension surface of the first plate portion 111, and the second distance is different from the first distance.

[0068] The connecting plate portion 113 is located between the first plate portion 111 and the second plate portion 112, and connects the first plate portion 111 and the second plate portion 112.

[0069] Of course, as shown in the figure, while the metal back plate 1 includes a first plate body portion 111, a second plate body portion 112, and a connecting plate body portion 113, it may also include a reinforcing rib portion 12. Thus, the plate body 11 includes a first plate body portion 111, a second plate body portion 112, and a connecting plate body portion 113, and the reinforcing rib portion 12 may be provided in at least one of the first plate body portion 111, the second plate body portion 112, and the connecting plate body portion 113. As shown in the figure, in this embodiment, the reinforcing rib portion 12 is provided in the first plate body portion 111 and the connecting plate body portion 113.

[0070] It is readily understood that, in other embodiments, the various portions of the plate 11 of the metal back plate 1 may be on the same plane.

[0071] It should be noted that the metal back plate 11 is in such a state as Figure 4 The shapes in the view shown can be set as needed. In this embodiment, in order to reduce the use of materials and reduce costs, the plate 11 of the metal back plate 1 can be set in a long strip direction along the arrangement direction of the metal ratchet pin 3 and the metal pawl pin 4 to realize the connection of the metal ratchet pin 3 and the metal pawl pin 4.

[0072] Of course, in other embodiments, the plate 11 of the metal back plate 1 can be set to any shape, such as a circle, a square, etc., based on the connection between the metal ratchet pin 3 and the metal pawl pin 4.

[0073] Please refer to Figure 5 , Figure 5 This is a front view of the metal ratchet pin 3 of the lock body provided by this utility model. As shown in the figure, in one specific embodiment, the metal ratchet pin 3 of the lock body provided by this application may include:

[0074] The shaft body 31 is fixedly connected to the metal mounting bottom plate 2 and the metal back plate 1 at both ends respectively;

[0075] The snap ring 32 is sleeved and fixed to the shaft body 31, and the installation space between the snap ring 32 and the metal mounting bottom plate 2 is adapted to form a clearance fit with the ratchet wheel 5 installed in the installation space.

[0076] In this way, the fixed position of the snap ring 32 on the shaft body 31 is determined as required, so that ratchet wheels 5 with different thicknesses can be selected for assembly, the lock body provided in the present application is reduced in limitation on the ratchet wheel 5, and the installation accuracy of the ratchet wheel 5 can be improved, so that the installation space between the snap ring 32 and the metal mounting bottom plate 2 is adapted to form a clearance fit with the ratchet wheel 5 installed in the installation space, and the working needs of the ratchet wheel 5 are met.

[0077] Of course, the shape of the snap ring 32 is not specifically limited, as long as it can be connected to the shaft body 31 and ensure the stability of the installation space. In a specific embodiment, in order to reduce the processing difficulty, the snap ring 32 can be a circular ring.

[0078] Since the lock body needs to be installed into the shell of the door lock, and the space of the accommodating cavity of the shell cooperates with the shape of the lock body, the shaft body 31 is located in the shaft body accommodating cavity of the accommodating cavity, in order to avoid that the shell, under the action of force, applies additional force to the snap ring 32, so that the snap ring 32 generates a force acting on the ratchet wheel 5, affecting the rotation of the ratchet wheel, in a specific embodiment, the shaft body 31 of the lock body provided in the present application can include:

[0079] The first shaft body part 311 is fixed to the metal back plate 1;

[0080] The second shaft body part 312 is fixedly connected to the first shaft body part 311 and the metal mounting bottom plate 2, the diameter of the second shaft body part 312 is greater than that of the first shaft body part 311, and the snap ring 32 is sleeved and fixed to the second shaft body part 312.

[0081] In this way, the shaft body accommodating cavity of the shell can match the structure of the shaft body 31, a first shaft body accommodating cavity corresponding to the first shaft body part 311 and a second shaft body accommodating cavity corresponding to the second shaft body part 312 are arranged, the size of the first shaft body accommodating cavity matches that of the first shaft body part 311, the positional relationship between the shaft body 31 and the shell is ensured, the size of the second shaft body accommodating cavity is greater than that of the second shaft body part 312, a step is formed between the first shaft body accommodating cavity and the second shaft body accommodating cavity, and the step supports between the first shaft body part 311 and the second shaft body part 312. When the shell is subjected to force, the force generated will act on the step between the first shaft body part 311 and the second shaft body part 312, and the snap ring 32 is sleeved and fixed to the second shaft body part 312, so that the influence of the action is reduced, thereby improving the stability and reliability of the operation of the ratchet wheel.

[0082] In another specific embodiment, in order to reduce the difficulty of assembling the clasp ring 32, the shaft body 31 of the lock body provided by the embodiment of the application can further comprise:

[0083] The third shaft body part 313 is fixedly connected between the first shaft body part 311 and the second shaft body part 312, and the diameter of the third shaft body part 313 is greater than the diameter of the first shaft body part 311 and smaller than the diameter of the second shaft body part 312.

[0084] In this way, when assembling, the clasp ring 32 can easily pass through the area of the third shaft body part 313, and then the position is fine-tuned in the area of the second shaft body part 312, so as to achieve the installation requirement.

[0085] In one specific embodiment, in order to facilitate the connection of the lock body with other structures, the metal mounting bottom plate 2 of the lock body provided by the embodiment of the application can be provided with a connecting hole 21, and the connecting hole 21 is away from the metal ratchet wheel pin shaft 3 and the metal pawl pin shaft 4.

[0086] In order to solve the foregoing problem, the embodiment of the application further provides a door lock, comprising:

[0087] A housing is provided with a containing cavity.

[0088] The lock body provided by any one of the foregoing embodiments is mounted in the containing cavity and fixed to the housing.

[0089] The metal pawl pin shaft and the metal ratchet wheel pin shaft of the door lock provided by the embodiment of the application are both fixedly connected to the metal mounting bottom plate and the metal back plate at both ends, so that the metal mounting bottom plate, the metal ratchet wheel pin shaft, the metal back plate and the metal pawl pin shaft form a metal closed loop, thereby improving the firmness and stability of the door lock, and further improving the dynamic collision strength of the door lock.

[0090] In order to solve the foregoing problem, the embodiment of the application further provides an automobile comprising the door lock provided by any one of the foregoing embodiments.

[0091] The metal pawl pin shaft and the metal ratchet wheel pin shaft of the door lock of the automobile provided by the embodiment of the application are both fixedly connected to the metal mounting bottom plate and the metal back plate at both ends, so that the metal mounting bottom plate, the metal ratchet wheel pin shaft, the metal back plate and the metal pawl pin shaft form a metal closed loop, thereby improving the firmness and stability of the door lock, and further improving the dynamic collision strength of the door lock and the safety of the automobile.

[0092] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been explained in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A lock body, characterized in that, include: Metal mounting base plate; A metal backplate, wherein the metal backplate is spaced apart from the metal mounting base plate; A metal pawl pin is fixedly connected at both ends to the metal mounting base plate and the metal back plate, respectively. A metal ratchet pin is fixedly connected at both ends to the metal mounting base plate and the metal back plate, respectively.

2. The lock body as described in claim 1, characterized in that, The metal back plate includes: plate body; The reinforcing rib is fixed to the side of the plate near the metal ratchet pin.

3. The lock body as described in claim 1, characterized in that, The metal back plate includes: The first plate body is connected to the metal ratchet pin and is spaced apart from the metal mounting base plate by a first distance. The second plate portion is connected to the metal pawl pin and is spaced apart from the metal mounting base plate by a second distance. The extension surface of the second plate portion is parallel to the extension surface of the first plate portion, and the second distance is different from the first distance. A connecting plate portion is located between the first plate portion and the second plate portion, connecting the first plate portion and the second plate portion.

4. The lock body as described in claim 1, characterized in that, The metal ratchet pin includes: The shaft is fixedly connected at both ends to the metal mounting base plate and the metal back plate, respectively. A retaining ring is fitted and fixed to the shaft body, and the mounting space between the retaining ring and the metal mounting base plate is adapted to form a clearance fit with the ratchet installed in the mounting space.

5. The lock body as described in claim 4, characterized in that, The shaft includes: The first shaft body is fixed to the metal back plate; The second shaft portion is fixedly connected to the first shaft portion and the metal mounting base plate. The diameter of the second shaft portion is larger than the diameter of the first shaft portion, and the retaining ring is fixedly fitted to the second shaft portion.

6. The lock body as described in claim 5, characterized in that, The shaft also includes: A third shaft portion is fixedly connected between the first shaft portion and the second shaft portion. The diameter of the third shaft portion is larger than the diameter of the first shaft portion and smaller than the diameter of the second shaft portion.

7. The lock body as described in any one of claims 1-6, characterized in that, The material of the metal backplate includes zinc.

8. The lock body as described in any one of claims 1-6, characterized in that, The metal mounting base plate has a connection hole, which is located away from the metal ratchet pin and the metal pawl pin.

9. A door lock, characterized in that, include: The shell has a receiving cavity; The lock body as described in any one of claims 1-8 is installed in the receiving cavity and fixed to the housing.

10. A car, characterized in that, Including the door lock as described in claim 9.

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