Handrail inertia locking mechanism and handrail

Abstract

The utility model discloses an armrest inertia locking mechanism, which relates to the technical field of automobile seats and comprises a heavy lock plate rotatably mounted on an armrest support, the upper half part of the heavy lock plate is heavier than the lower half part of the heavy lock plate, the upper part of the heavy lock plate is connected with a tension spring, the other end of the tension spring is connected with the armrest support, and the other end of the tension spring is connected with the armrest support. The armrest support is provided with a stop block used for limiting rotation of the weighting lock plate, and after the weighting lock plate rotates, the tail end of the lower half portion of the weighting lock plate is connected with the armrest support in a clamped mode so as to limit continuous rotation of the armrest. Functions and convenience in use of the handrail under normal use conditions are guaranteed, use experience of customers is not affected, the handrail is locked by natural inertia when a vehicle is braked emergently or collides, damage to the handrail and injury to passengers are avoided, the structure is simple and ingenious, arrangement is easy, internal space of the handrail is saved, and cost is reduced. The appearance is simpler, and the cost is lower.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile seat, especially to a handrail inertia locking mechanism and handrail. BACKGROUND

[0002] Most of the traditional cars are provided with simple and light handrails, and due to space and cost considerations, a special locking mechanism is generally not provided, however, the ordinary handrails without the locking mechanism have certain safety hazards when used, especially when the vehicle is braked or collides, the handrail may fall and hit the passenger or the handrail collides with the passenger's body, resulting in the passenger being injured; in addition, the handrails with the unlocking in the prior art are safe and reliable, but the structure is complex and the cost is high.

[0003] Therefore, it is necessary to design a handrail inertia locking mechanism and handrail to improve the above problems. SUMMARY

[0004] In view of the above problems in the prior art, the utility model provides a handrail inertia locking mechanism and handrail, and the inertia locking does not work when the handrail is used normally, and the rotation of the handrail is limited when the vehicle is braked or collides, so as to achieve the purpose of locking the handrail.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a handrail inertia locking mechanism, including the bias weight lock plate that rotates to be installed on the handrail support, the upper half of the bias weight lock plate is heavier than the lower half, the bias weight lock plate top is connected with the tension spring, the other end of the tension spring is connected with the handrail support, the handrail support is equipped with the stopper for limiting the rotation of the bias weight lock plate, the bias weight lock plate rotates, and the lower half end is clamped with the handrail support to limit the handrail to continue rotating.

[0007] As a preferred embodiment of the utility model, the bias weight lock plate is symmetrically arranged on both sides of the handrail support.

[0008] As a preferred embodiment of the utility model, the bias weight lock plate is installed on the handrail support through the rotating shaft.

[0009] As a preferred embodiment of the utility model, the other end of the tension spring is connected with the handrail support through the tension spring support.

[0010] As a preferred embodiment of the utility model, the handrail support is provided with a fixed rod, and the lower half end of the bias weight lock plate is clamped with the fixed rod, so that the handrail position is fixed.

[0011] As a preferred embodiment of the utility model, the fixed rod is provided with a track friction block on both sides.

[0012] This utility model also provides a handrail, on which an inertial locking mechanism as described above is installed.

[0013] By adopting the above technical solution, the beneficial effects of this utility model compared with the prior art are:

[0014] (1) The handrail inertia locking mechanism and handrail of this utility model not only ensure the function and convenience of the handrail under normal use, without affecting the user experience, but also ensure that the handrail is locked by natural inertia when the vehicle brakes suddenly or a collision occurs, so as to avoid damage to the handrail and injury to passengers.

[0015] (2) The handrail inertial locking mechanism and handrail of this utility model have a simple and ingenious structure, are easy to arrange, save internal space of the handrail, have a simpler appearance, and lower cost. Attached Figure Description

[0016] Other objects and results of this invention will become more apparent and readily understood with reference to the following description taken in conjunction with the accompanying drawings, and with a more complete understanding of the invention. In the drawings:

[0017] Figure 1 This is a perspective view of an example of this utility model;

[0018] Figure 2 This is an exploded view of an example of this utility model;

[0019] Figure 3 This is a perspective view of the normal state of this utility model embodiment;

[0020] Figure 4 This is a perspective view of the locked state of this utility model embodiment;

[0021] The reference numerals in the attached drawings include: 1. Weighted locking plate; 2. Tension spring; 3. Handrail bracket; 4. Handrail; 11. Rotating shaft; 21. Tension spring bracket; 31. Stop block; 32. Fixing rod; 33. Track friction block; 41. Handrail rotating shaft. Detailed Implementation

[0022] The technical solutions of various embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not the device or element indicated or implied must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the restriction of the utility model. In addition, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "connection", "connect" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements inside. It needs to be pointed out that all the drawings are exemplary representation. For the ordinary skilled person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according of the specific circumstances.

[0025] The utility model will be further described in detail below through specific embodiment and in conjunction with the drawings.

[0026] Refer to Figures 1 to 4 , Figure 1 It is the perspective view of the utility model example, Figure 2 It is the explosion view of the utility model example, Figure 3 It is the perspective view of the utility model example normal state, Figure 4It is the perspective view of the example lock state, the utility model provides a kind of handrail inertia locking mechanism, including bias weight lock plate 1, tension spring 2, handrail support 3, handrail 4, the bias weight lock plate 1 is rotatably installed on handrail support 3 by pivot 11, the bias weight lock plate 1 is preferably symmetrically arranged on the both sides of handrail support 3, the upper half of the bias weight lock plate 1 is heavier than the lower half, the bias weight lock plate 1 upper portion is connected with tension spring 2, the other end of the tension spring 2 is connected with handrail support 3, in an embodiment, the other end of the tension spring 2 is connected with handrail support 3 by tension spring support 21, and tension spring support 21 is fixedly arranged on handrail support 3, the stopper block 31 for limiting the rotation of the bias weight lock plate 1 is provided on the handrail support 3, after the bias weight lock plate 1 rotates, the bias weight lock plate 1 stops rotating after contacting with the stopper block 31, the lower half end of the bias weight lock plate 1 is clamped with handrail support 3 to limit handrail to continue rotating, in an embodiment, the fixed rod 32 is provided on the handrail support 3, the fixed rod 32 is arranged through the handrail support 3, the lower half end of the bias weight lock plate 1 is clamped with the fixed rod 32, and the handrail position is fixed, the both sides of the fixed rod 32 are provided with trajectory friction block 33.

[0027] The utility model also provides a kind of handrail, handrail 4 is installed with the handrail inertia locking mechanism as described above, rely on natural inertia to lock handrail 4 when vehicle emergency brake or collision occurs, avoid handrail 4 damage and cause injury to passenger.

[0028] The following will be referred to Figures 1 to 4 The working principle of the utility model is described.

[0029] Vehicle is in normal state, bias weight lock plate 1 is in the unlocking position, and in order to avoid the bias weight lock plate 1 to produce abnormal sound or the small motion inertia force under the condition such as small brake of vehicle, the tension spring 2 is arranged, the bias weight lock plate 1 does not contact with fixed rod 32 under the action of gravity, the handrail inertia locking mechanism does not work, and the handrail 4 can be normally freely turned over and opened with handrail pivot 41 as the shaft.

[0030] Vehicle is in emergency brake or collision state, bias weight lock plate 1 rotates along pivot 11 under the action of inertia, handrail 4 rotates along handrail pivot 41, when greater than 4g acceleration, bias weight lock plate 1 will turn over in an emergency under the action of acceleration, the end of bias weight lock plate 1 collides with fixed rod 32 arranged in the inside of handrail 4, bias weight lock plate 1 is in the locking position, the handrail inertia locking mechanism works, and handrail 4 is locked, to limit the angle of handrail 4 to turn over with handrail pivot 41 as the shaft in emergency brake or collision moment. Until emergency brake or collision acceleration disappears, bias weight lock plate 1 resets, and the handrail 4 can be normally turned over and opened.

[0031] The above merely illustrates the specific implementation manners of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A handrail inertia lock mechanism, characterized by, The invention relates to a handrail inertia locking mechanism, comprising a weight locking plate rotatably mounted on a handrail support, the upper half of the weight locking plate being heavier than the lower half, a tension spring being connected to the upper half of the weight locking plate, the other end of the tension spring being connected to the handrail support, a stop block being arranged on the handrail support for limiting the rotation of the weight locking plate, the lower end of the lower half of the weight locking plate being clamped to the handrail support after the rotation of the weight locking plate to limit the further rotation of the handrail.

2. A handrail inertia lock mechanism according to claim 1, wherein The weight locking plates are symmetrically arranged on both sides of the handrail support.

3. The handrail inertia lock mechanism of claim 1, wherein, The weight locking plates are rotatably mounted on the handrail support through a rotating shaft.

4. The handrail inertia lock mechanism of claim 1, wherein, The other end of the tension spring is connected to the handrail support through a tension spring support.

5. The handrail inertia lock mechanism of claim 1, wherein, A fixing rod is arranged on the handrail support, the lower end of the lower half of the weight locking plate being clamped to the fixing rod to fix the position of the handrail.

6. A handrail inertia lock mechanism according to claim 5, wherein Track friction blocks are arranged on both sides of the fixing rod.

7. A handrail, characterized in that A handrail inertia locking mechanism as claimed in any one of claims 1 to 6 is mounted on the handrail.

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