Anti-pinch support of electric tail gate
By designing an anti-pinch bracket on the electric tailgate, and utilizing support blocks, support rods, and a sensor system, the safety hazard of objects being caught in the electric tailgate is solved. This achieves the effect of detecting and preventing the tailgate from moving in advance, thus improving safety.
Patent Information
- Application Number
- CN202423108671.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The power tailgate may trap objects during closing, posing a safety hazard.
An anti-pinch bracket was designed, including a support block, a support rod, a coil spring, and a sensor. The sensor detects objects and drives the stop block to engage the teeth to restrict the rotation of the support block and prevent the tailgate from moving further.
It enables early detection and prevention of movement before the electric tailgate closes, improving safety and anti-pinch effects, and increasing personnel reaction time.
Smart Images

Figure CN223634535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile equipment, more specifically, it relates to a kind of anti-pinch support of electric tail door. BACKGROUND
[0002] Electric tail door, also known as electric trunk, is a kind of automobile trunk door that is opened and closed by electric or remote control. When the remote control key is pressed, the trunk will automatically close, saving manual closing and being convenient to use.
[0003] However, the electric tail door will stop only when it is completely closed after executing the closing instruction. If it touches an object during the closing process, it will continue to execute the closing action, which poses a certain safety hazard.
[0004] Therefore, a new solution is needed to solve this problem. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, the utility model aims to provide an anti-pinch support for electric tail door, which stops when touching an object during closing by a new structure.
[0006] The above technical purpose of the utility model is realized by the following technical scheme: an anti-pinch support for electric tail door, comprising a trunk and an electric tail door rotatably connected thereto, a recess is formed near the connection between the trunk and the electric tail door, an anti-pinch support is rotatably connected in the recess, an electric telescopic rod is fixedly connected to the bottom surface of the recess, a stop block is fixedly connected to one end of the electric telescopic rod, a sensor one is arranged near the connection between the electric tail door and the trunk, a sensor two is arranged near the connection between the trunk and the electric tail door, and an induction area is formed between the sensor one and the sensor two.
[0007] The utility model is further provided as follows: the anti-pinch support comprises a support block, a support rod, and a coil spring, the support rod is fixedly connected to the inner wall of the trunk, and the support block is rotatably connected to the support rod by the coil spring.
[0008] The utility model is further provided as follows: the width of the support block is less than the width of the recess, and the length of the support block is greater than the depth of the recess. When the electric tail door is opened, the anti-pinch support is driven to pop out of the recess by the rebound force generated by the compression of the coil spring.
[0009] The utility model is further provided as follows: the sensor one is located above the sensor two, and the electric telescopic rod is connected to the sensor one and the sensor two by Bluetooth.
[0010] The utility model further sets up: the peripheral wall of support block is fixedly connected with a plurality of red teeth, the stopper is located below a plurality of red teeth, when the electric telescopic rod receives the pressure signal of inductor one transmission, drives the stopper to move up.
[0011] The utility model further sets up: the cross section shape of stopper is triangle, when the stopper moves to with a plurality of red teeth interlock limit support block rotation.
[0012] Summarized above, the utility model has following beneficial effect: through inductive area can monitor the whole path of electric tail door closure, the range of monitoring coverage is bigger, when the inductive area exists object inductor one immediately sends signal to motor, drives the stopper to rise through motor, can limit anti-pinch support frame movement, to realize the effect of limiting electric tail door movement, realize the effect that electric tail door can stop moving when existing object inductive area, make anti-pinch support frame will trigger in advance before electric tail door closure, increase the reaction time of personnel, improve security and anti-pinch effect. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is structural schematic diagram of the utility model;
[0014] Figure 2 It is sectional view of the utility model Figure 1 ;
[0015] Figure 3 It is sectional view of the utility model Figure 2 ;
[0016] Figure 4 It is the explosion map of anti-pinch support frame in the utility model.
[0017] In the drawing: 1, spare box;2, electric tail door;3, recess;4, anti-pinch support frame;5, electric telescopic rod;6, stopper;7, inductor one;8, inductor two;9, tooth;11, support block;12, support rod;13, coil spring;14, through slot;15, inductive area. DETAILED DESCRIPTION
[0018] The utility model is described in detail below in combination with the drawings and examples.
[0019] Example: a kind of anti-pinch support frame of electric tail door, as Figures 1-4As shown, including the trunk 1 and electric tail door 2, electric tail door 2 is rotatably connected on the trunk 1, the trunk 1 is integrally formed with a rectangular cross section recess 3 near its connection with the electric tail door 2, the recess 3 is rotatably connected with an anti-pinch bracket 4, the anti-pinch bracket 4 includes a fast support block 11, a plurality of teeth 9, a support rod 12 and a coil spring 13, the length of the support rod 12 is greater than the width of the recess 3, the both ends of the support rod 12 are fixedly connected on the trunk 1 near the length of the two sides of the recess 3, a circular through slot 14 is provided through the support block 11, the diameter of the through slot 14 is greater than the diameter of the support rod 12, one end of the coil spring 13 is fixedly connected on the peripheral wall of the support rod 12, the end of the coil spring 13 away from the support rod 12 is fixedly connected on the inner wall of the through slot 14, the width of the support block 11 is less than the width of the recess 3, the length of the support block 11 is greater than the depth of the recess 3, so that the support block 11 can be rotatably connected in the recess 3 through the coil spring 13.
[0020] As shown in the drawings, Figures 1-4 The end of the support block 11 away from the coil spring 13 is driven by the resilience of the coil spring 13 to abut against the inner wall of the electric tail door 2, when the electric tail door 2 is closed, the coil spring 13 is wound by the pressure of the electric tail door 2, at this time the support block 11 rotates together with the coil spring 13 into the recess 3, when the electric tail door 2 is opened, the support block 11 is driven to pop out from the recess 14 by the resilience of the coil spring 13 after compression and moves together with the electric tail door 2, the electric tail door 2 is provided with a sensor one near its connection with the trunk 1, the trunk 1 is provided with a sensor two 8 near its connection with the electric tail door 2, the sensor one 7 and the sensor two 8 are both pressure sensors, which can convert the received pressure into electrical signals for transmission, the length of the sensor one 7 is the same as the length of the sensor two 8, the sensor one 7 is located above the sensor two 8, so that an sensing area 15 is formed between the sensor one 7 and the sensor two 8.
[0021] As shown in the drawings, Figures 1-4 The sensor one 7 and the sensor two 8 are connected with the electric telescopic rod 5 through Bluetooth, when the sensor one 7 and the sensor two 8 are subjected to pressure, the pressure signal will be immediately transmitted to the electric telescopic rod 5, the electric telescopic rod 5 is fixedly connected on the bottom surface of the recess 3, the end of the electric telescopic rod 5 away from the bottom surface of the recess 3 is fixedly connected with a stop block 6, the electric telescopic rod 5 realizes telescopic movement through the driving of the electric motor, thereby realizing the effect of driving the stop block 6 to reciprocate along the height direction of the trunk 1, the peripheral wall of the support block 11 is integrally formed with a plurality of teeth 9, the cross section of the stop block 6 is triangular, the top corner of the stop block 6 is located below the plurality of teeth 9, the width of the stop block 6 is less than the distance between adjacent plurality of teeth 9.
[0022] As shown in the drawings, Figures 1-4When the electric telescopic rod 5 receives the pressure signal transmitted by the sensor one 7 or the sensor two 8, the stopper 6 is immediately driven to move upwards between the adjacent teeth 9, the effect of limiting the rotation of the supporting block 11 is realized through the meshing of the teeth 9 and the stopper 6, at this time, the electric tail door 2 is supported by the supporting block 11, thereby limiting the electric tail door 2 to continue to move, the whole path of the electric tail door 2 when closing can be monitored through the sensing area 15, the anti-pinch effect is realized, the supporting block 11 is driven by the coil spring 13 to continuously maintain the state of abutting against the electric tail door 2 during the movement, so that the electric tail door 2 can be limited to move when the supporting block 11 stops moving during closing, thereby improving the speed of the electric tail door 2 when triggering the anti-pinch effect.
[0023] Working principle: the whole path of the electric tail door 2 when closing can be monitored through the sensing area 15, when there is an object in the sensing area 15 during the closing of the electric tail door 2, the sensor one 7 or the sensor two 8 will immediately send a signal to the electric telescopic rod 5, the electric telescopic rod 5 is immediately driven to move the stopper 6 upwards between the adjacent teeth 9 after receiving the signal transmitted by the sensor one 7 or the sensor two 8, at this time, the movement of the supporting block 11 is limited through the meshing of the teeth 9 and the stopper 6, at this time, the supporting block 11 limits the electric tail door 2 to continue to move, thereby realizing the anti-pinch effect of the electric tail door 2.
[0024] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not only limited to the above-mentioned embodiments, all technical solutions belonging to the idea of the utility model belong to the protection scope of the utility model. It should be noted that, for ordinary skilled persons in the art, some improvements and decorations without departing from the principle of the utility model can also be considered as the protection scope of the utility model.
Claims
1. An anti-pinch bracket of an electric tailgate, comprising a trunk (1) and an electric tailgate (2) rotationally connected therewith, characterized in that: The trunk (1) is provided with a recess (3) near the connection with the electric tail door (2), the anti-pinch support (4) is rotatably connected in the recess (3), the bottom surface of the recess (3) is fixedly connected with the electric telescopic rod (5), one end of the electric telescopic rod (5) is fixedly connected with the stop block (6), the electric tail door (2) is provided with the inductor one (7) near the connection with the trunk (1), the trunk (1) is provided with the inductor two (8) near the connection with the electric tail door (2), the inductive area (15) is formed between the inductor one (7) and the inductor two (8).
2. The anti-pinch bracket of an electric tailgate door according to claim 1, wherein: The anti-pinch support (4) comprises a support block (11), a support rod (12) and a coil spring (13), the support rod (12) is fixedly connected with the inner wall of the trunk (1), and the support block (11) is rotatably connected on the support rod (12) through the coil spring (13).
3. The anti-pinch bracket of an electric tailgate door according to claim 2, wherein: The width of the support block (11) is smaller than the width of the recess (3), the length of the support block (11) is greater than the depth of the recess (3), and when the electric tail door (2) is opened, the anti-pinch support (4) is driven to pop out of the recess (3) by the rebound force generated by the compression of the coil spring (13).
4. The anti-pinch bracket of claim 3, wherein: The inductor one (7) is located above the inductor two (8), and the electric telescopic rod (5) is connected with the inductor one (7) and the inductor two (8) through Bluetooth.
5. The anti-pinch bracket of an electric tailgate door according to claim 4, wherein: The peripheral wall of the support block (11) is fixedly connected with a plurality of teeth (9), the stop block (6) is located below the plurality of teeth (9), and when the electric telescopic rod (5) receives the pressure signal transmitted by the inductor one (7), the stop block (6) is driven to move upward.
6. The anti-pinch bracket of an electric tailgate door according to claim 5, wherein: The cross section of the stop block (6) is triangular, and when the stop block (6) moves to be engaged with the plurality of teeth (9), the rotation of the support block (11) is limited.