Double-push-rod joint locking mechanism and automobile glass limit test device

Abstract

The utility model discloses a double-push-rod joint locking mechanism and an automobile glass limit test device, the double-push-rod joint locking mechanism comprises at least two joint arms, and the adjacent joint arms are connected through a rotary locking structure. The double-push-rod joint locking mechanism is simple in structure, compact in design, low in use cost and convenient to disassemble, assemble and adjust, when the double-push-rod joint locking mechanism is applied to an automobile glass limiting test, stable positioning of glass in the lifting process can be ensured, the risk that the glass is clamped or falls off due to improper limiting is reduced, and the detection precision is improved.

Description

Technical Field

[0001] This utility model relates to a double push rod joint locking mechanism and an automotive glass limiting test device, and belongs to the field of mechanical engineering technology. Background Technology

[0002] Automotive glass limiting mechanisms are crucial components used to ensure that automotive glass does not fly out of the vehicle during a collision or emergency braking, thus protecting the safety of passengers inside. To evaluate the performance of automotive glass limiting mechanisms, researchers have developed various testing methods, including static tests, dynamic tests, and durability tests. These methods are designed to simulate various operating conditions in real-world use to assess the reliability and safety of the limiting mechanisms.

[0003] Existing car door simulation testing equipment includes a lifting frame with sensors mounted on it. The lifting frame simulates actual usage conditions of automotive glass, and the sensors collect test data. However, existing lifting frames are complex in design, costly, and lack stable functionality. They are prone to jamming or detachment during glass lifting, and the impact force on the glass during lifting is significant, affecting test results. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a double push rod joint locking mechanism and an automotive glass limiting test device to at least solve the problems mentioned in the background art.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A double push rod joint locking mechanism includes at least two joint arms, with adjacent joint arms connected by a rotation locking structure.

[0007] Furthermore, interconnected mounting holes are provided at the connection points of adjacent articulated arms. The rotary locking structure includes a screw structure disposed within the mounting holes, with a pair of locking blocks screwed onto the screw structure. The positions of the locking blocks correspond one-to-one with the articulated arms, and each locking block has an inclined surface on the side near its corresponding articulated arm. A through hole is provided along the length of each articulated arm, and a push rod is provided within the through hole. The end of the push rod near the corresponding locking block has an inclined end that matches the inclined surface of the locking block, and a ball head is movably connected to the end away from the locking block. A retaining sleeve is provided on the articulated arm away from the locking block, and the ball head is disposed within the retaining sleeve.

[0008] Furthermore, one end of the screw structure is provided with a knob for adjusting the screw.

[0009] Furthermore, a positioning spring is provided on the outer circumference of the end of the joint arm away from the locking block, and the sleeve is secured to the end of the joint arm by the positioning spring.

[0010] Furthermore, the outer end of the sleeve is provided with a relief groove, which is formed by a through hole provided at the outer end of the sleeve and a U-shaped groove provided on the outer circumference of the sleeve; a connecting rod extending out of the relief groove is fixedly connected to the ball head.

[0011] An automotive glass limit test device includes the aforementioned double push rod joint locking mechanism. The double push rod joint locking mechanism consists of at least two pieces installed on a test chamber for performing limit tests on the window glass of the vehicle door to be tested. One end of one double push rod joint locking mechanism is close to the upper limit position of the window of the vehicle door to be tested, and an upper position sensor is fixedly connected thereto. The other double push rod joint locking mechanism is close to the lower limit position of the window of the vehicle door to be tested, and a lower position sensor is fixedly connected thereto.

[0012] Furthermore, the test chamber includes a door fixing frame, which is a rectangular frame structure. The rectangular frame structure has a placement cavity for placing the door to be tested. The door fixing frame is equipped with a driving device and controller for driving the glass limit test. The driving device, upper position sensor, and lower position sensor are all connected to the controller circuit.

[0013] Furthermore, both the upper and lower position sensors are infrared sensors, and the aluminum information feedback patch corresponds to the upper position infrared sensor on the upper limit of the window of the car door to be tested.

[0014] Furthermore, the aluminum information feedback patch is photosensitive aluminum paper.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] (1) The double push rod joint locking mechanism described in this utility model can achieve fast locking and release. The double push rod design allows the locking system to quickly fix the joint in a short time, and it is also easy to release quickly. It is especially suitable for mechanical systems that require frequent assembly and disassembly.

[0017] (2) The double push rod joint locking mechanism of this utility model can evenly distribute pressure. The two push rods work at the same time, which can ensure that the pressure is evenly distributed on the entire connection surface, thereby reducing the stress concentration on a single connection point and improving the durability and fatigue resistance of the connection.

[0018] (3) The double push rod joint locking mechanism described in this utility model can achieve precise control. By adjusting the force and position of the push rod, precise locking control can be achieved, which is applicable to mechanical parts with precise positioning.

[0019] (4) The double push rod joint locking mechanism described in this utility model has good environmental adaptability. Due to the universality of the design of the double push rod locking system, it can be used in different working environments, including high temperature, low temperature, humid or corrosive environments, without the need for special adjustment or maintenance.

[0020] (5) The double push rod joint locking mechanism described in this utility model has a simple structure, compact design, low cost of use, and is easy to disassemble and adjust. When applied to the limit test of automobile glass, it can ensure the stable positioning of the glass during the lifting process, reduce the risk of glass jamming or falling off due to improper limit, and improve the detection accuracy.

[0021] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings, wherein:

[0023] Figure 1 This is a schematic diagram of the structure of a double push rod joint locking mechanism provided in an embodiment of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;

[0025] Figure 3 This is a schematic diagram of the structure of an automotive glass limiting test device provided in an embodiment of the present invention.

[0026] In the diagram: 1. Articulated arm; 2. Rotary locking structure; 201. Screw structure; 202. Locking block; 203. Inclined surface; 204. Push rod; 205. Inclined end; 206. Ball head; 207. Sleeve; 2071. Clearance groove; 208. Knob; 209. Positioning circlip; 210. Connecting rod; 3. Test chamber; 301. Door fixing bracket; 302. Drive device; 303. Controller; 4. Door to be tested; 5. Upper position sensor; 6. Lower position sensor; 7. Aluminum information feedback patch. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0028] like Figures 1-2 As shown, the first embodiment of this utility model provides a double push rod joint locking mechanism, including at least two joint arms 1, with adjacent joint arms 1 connected by a rotation locking structure 2.

[0029] A through mounting hole is provided at the connection of adjacent joint arms 1. The rotary locking structure 2 includes a screw structure 201 set in the mounting hole. A pair of locking blocks 202 are screwed onto the screw structure 201. The position of the locking blocks 202 corresponds one-to-one with the joint arms 1. Each locking block 202 has an inclined surface 203 on the side near the corresponding joint arm. A through hole is provided in each joint arm along its length. A push rod 204 is provided in the through hole. The push rod 204 has an inclined end head 205 that matches the inclined surface 203 of the locking block at one end near the corresponding locking block 202. A ball head 206 is movably connected to the other end away from the locking block 202. A retainer 207 is provided on the joint arm 1 at the end away from the locking block 202. The ball head 206 is set in the retainer 207.

[0030] One end of the screw structure 201 is provided with a knob 208 for adjusting the screw.

[0031] A positioning spring 209 is provided on the outer circumference of the end of the joint arm 1 away from the locking block 202, and the sleeve 207 is secured to the end of the joint arm 1 by the positioning spring 209.

[0032] The outer end of the sleeve 207 is provided with a relief groove 2071, and a connecting rod 210 extending out of the relief groove 2071 is fixedly connected to the ball head 206. The relief groove 2071 is formed by a through hole at the outer end of the sleeve 207 and a U-shaped groove on the outer circumference of the sleeve 207. This structure ensures that the connecting rod 210 has a certain rotation angle relative to the ball head, making it easier to adjust and install. The connecting rod 210 is used to fix the device on any equipment, or to install data acquisition equipment such as sensors and cameras.

[0033] Working principle and process of the device:

[0034] By adjusting the screw rotation using knob 208, the locking block 202 can be moved closer to or further away from the inclined end 205. When moved away, adjacent joint arms 1 can rotate relative to each other, thus adjusting the angle. When moved closer, the two locking blocks 202 press against the corresponding inclined end 205, causing the corresponding push rod 204 to simultaneously press against the ball head 206. Since the ball head 206 is limited by the retaining sleeve 207, adjacent joint arms 1 are thus compressed and positioned. Through the coordinated action of the two push rods 204, a fast, simple, and reliable locking effect is achieved.

[0035] This device can be used as an adjustment bracket, a test bracket, a mechanical locking mechanism, etc.

[0036] like Figures 1-3 As shown, the automotive glass limiting test device using the above-mentioned double push rod joint locking mechanism includes a test chamber 3 for performing limiting tests on the window glass of the test door 4. At least two double push rod joint locking mechanisms are provided on the test chamber 3. One end of one double push rod joint locking mechanism is close to the upper limit position of the window of the test door 4, and an upper position sensor 5 is fixedly connected to it. The other double push rod joint locking mechanism is close to the lower limit position of the window of the test door 4, and a lower position sensor 6 is fixedly connected to it.

[0037] The test chamber 3 includes a door fixing frame 301, which is a rectangular frame structure. The rectangular frame structure has a placement cavity for placing the door 4 to be tested. The door fixing frame 301 is equipped with a driving device 302 and a controller 303 for driving the glass limit test. The driving device 302, the upper position sensor 5, and the lower position sensor 6 are all connected to the controller 303 in a circuit.

[0038] Both the upper position sensor 5 and the lower position sensor 6 are infrared sensors, and the aluminum information feedback patch 7 is located at the upper position infrared sensor of the window of the car door 4 to be tested.

[0039] The driving device 302 is a drive motor.

[0040] The aluminum information feedback patch 7 is photosensitive aluminum paper.

[0041] Working principle and process of the device:

[0042] (1) Fix the test door 4 inside the placement cavity of the test chamber 3;

[0043] (2) Fix two double push rod joint locking mechanisms on the test chamber 3 and close to the door 4 to be tested using clamps or bolts. One end of one double push rod joint locking mechanism is close to the upper limit position of the window of the door 4 to be tested, and the other end of the double push rod joint locking mechanism is close to the lower limit position of the window of the door 4 to be tested.

[0044] (3) Install an upper position sensor 5 on the connecting rod of the corresponding double push rod joint locking mechanism near the upper limit position of the window of the door to be tested, and install a corresponding aluminum information feedback patch 7 on the upper limit position of the door glass; install a lower position sensor 6 on the connecting rod of the corresponding double push rod joint locking mechanism near the lower limit position of the window of the door to be tested.

[0045] (4) The controller 303 controls the drive motor to work, driving the window glass of the test door 4 to rise to a certain height. When the upper position sensor 5 senses the photosensitive aluminum foil light, it will light up and give a signal to stop the motor. After waiting for 5 seconds, the motor reverses and begins to descend. When the glass descends to a certain position, the lower position sensor 6 senses the photosensitive aluminum foil light and it will light up and give a signal to stop the motor. After waiting for 5 seconds, the motor reverses and begins to rise. This cycle repeats continuously, and the glass test can then begin.

[0046] The above description is merely a preferred embodiment of the present utility model and is not intended to restrict the present utility model in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments without departing from the technical solution of the present utility model and based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A double push rod joint locking mechanism, characterized in that, The device includes at least two articulated arms (1), adjacent articulated arms (1) are connected by a rotary locking structure (2); there are through mounting holes at the connection of adjacent articulated arms (1), the rotary locking structure (2) includes a screw structure (201) disposed in the mounting hole, a pair of locking blocks (202) are screwed onto the screw structure (201), the positions of the locking blocks (202) correspond one-to-one with the articulated arms (1), and each locking block (202) has an inclined side near the corresponding articulated arm. Inclined surface (203); a through hole is provided in each articulated arm along its length direction, and a push rod (204) is provided in the through hole. The push rod (204) is provided with an inclined end (205) that is adapted to the inclined surface (203) of the locking block at one end near the corresponding locking block (202), and a ball head (206) is movably connected at the other end away from the locking block (202). A retainer (207) is provided on the articulated arm (1) at the end away from the locking block (202), and the ball head (206) is located in the retainer (207).

2. The double push rod joint locking mechanism according to claim 1, characterized in that, The screw structure (201) has a knob (208) at one end for adjusting the screw.

3. The double push rod joint locking mechanism according to claim 1, characterized in that, A positioning spring (209) is provided on the outer circumference of the end of the joint arm (1) away from the locking block (202), and the sleeve (207) is secured to the end of the joint arm (1) by the positioning spring (209).

4. The double push rod joint locking mechanism according to claim 3, characterized in that, The outer end of the sleeve (207) is provided with a relief groove (2071), which is formed by a through hole provided at the outer end of the sleeve (207) and a U-shaped groove provided on the outer circumference of the sleeve (207); a connecting rod (210) passing through the relief groove (2071) is fixedly connected to the ball head (206).

5. A testing device for limiting the position of automotive glass, characterized in that, Includes the double push rod joint locking mechanism as described in any one of claims 1-4, wherein the double push rod joint locking mechanism comprises at least two pieces installed on a test box (3) for performing a limit test on the window glass of the test door (4), one end of which is close to the upper limit position of the window of the test door (4) and is fixedly connected to an upper position sensor (5), and the other end of which is close to the lower limit position of the window of the test door (4) and is fixedly connected to a lower position sensor (6).

6. The automotive glass limiting test device according to claim 5, characterized in that, The test chamber (3) includes a door fixing frame (301), which is a rectangular frame structure. The rectangular frame structure has a placement cavity for placing the door (4) to be tested. The door fixing frame (301) is equipped with a driving device (302) and a controller (303) for driving the glass limit test. The driving device (302), the upper position sensor (5), and the lower position sensor (6) are all connected to the controller (303) in the circuit.

7. The automotive glass limiting test device according to claim 6, characterized in that, The upper position sensor (5) and lower position sensor (6) are both infrared sensors, and the aluminum information feedback patch (7) is located at the upper position infrared sensor of the window of the car door (4) to be tested.

8. The automotive glass limiting test device according to claim 7, characterized in that, The aluminum information feedback patch (7) is photosensitive aluminum paper.

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