Testing device for front and rear bumpers of automobile

Abstract

The utility model relates to the technical field of bumpers, in particular to a testing device for front and rear bumpers of an automobile, which comprises a main body mechanism comprising an air cannon, a cylinder arranged at one end of the air cannon, a push plate arranged in the cylinder, a push rod arranged on one side of the push plate, and a fixed plate arranged at one end of the push rod, the second sensors are arranged at the two ends of one side of the fixing plate, the placing plate is arranged on one side of the second sensors, and the rotating block is arranged at the bottom of the placing plate. When the bumper fixing device is used, after a bumper is placed on the top of the placing plate, the rotating block is rotated to enable the limiting piece and the top plate to fix the bumper, meanwhile, after the fixing frame at one end of the chain is connected to the outer wall of the bumper in a clamped mode, the other fixing frame is in butt joint with the fixing frame at one end of the chain to limit the bumper, and then the bumper is fixed. The fixing bolts penetrate through the butt joint blocks for fixing, double fixing of the bumper is achieved, the bumper is prevented from falling off in the testing process, and the actual use requirement is met.

Description

Technical Field

[0001] This utility model relates to the field of bumper technology, and in particular to a testing device for front and rear bumpers of automobiles. Background Technology

[0002] As an important component of the automotive safety system, the front and rear bumpers play a crucial role in absorbing and buffering collision energy during a collision, directly affecting the safety of occupants and the extent of vehicle damage. With the booming development of the automotive industry, consumers are paying increasing attention to vehicle safety and are placing higher demands on the performance of front and rear bumpers. In the automotive manufacturing process, rigorous testing is essential to ensure that the bumpers meet design expectations and effectively perform their safety protection functions.

[0003] Existing automotive front and rear bumper testing equipment is prone to bumper detachment during testing, resulting in inaccurate impact test data.

[0004] To address this, a testing device for the front and rear bumpers of automobiles is proposed. Utility Model Content

[0005] In view of this, the present invention provides a testing device for front and rear bumpers of automobiles to solve the technical problems existing in the prior art.

[0006] The technical solution of this utility model embodiment is implemented as follows: A vehicle front and rear bumper testing device includes a main body mechanism and an impact mechanism disposed at one end of the main body mechanism. The main body mechanism includes an air cannon, a cylinder disposed at one end of the air cannon, a push plate disposed inside the cylinder, a push rod disposed on one side of the push plate, a fixed plate disposed at one end of the push rod, second sensors disposed at both ends of one side of the fixed plate, a placement plate disposed on one side of the second sensors, a rotating block disposed at the bottom of the placement plate, a limiting piece disposed at the top of the rotating block, a top plate disposed at the top of one side of the second sensors, chains disposed at both ends of the fixed plate, a fixed frame disposed at one end of the chains, an anti-slip piece disposed inside the fixed frame, docking blocks disposed on both sides of the fixed frame, and a fixing bolt disposed on one side of the docking block.

[0007] In some embodiments, a hollow groove is provided inside the cylinder, a first sensor is provided on one side of the fixing plate, and a support plate is provided on one side of the first sensor.

[0008] In some embodiments, the top of the placement plate is provided with an anti-slip plate, and the bottom of the top plate is provided with a magnetic suction plate.

[0009] In some embodiments, a retaining ring is provided on the outer wall of the cylinder, and a load-bearing rod is provided at the bottom of the retaining ring.

[0010] In some embodiments, the impact mechanism includes an impact box disposed at one end of the cylinder, an impact wall disposed inside the impact box, and an impact disc disposed on one side of the impact wall.

[0011] In some embodiments, the impact chamber is provided with a cover plate on top, and a metal mesh is provided inside the cover plate.

[0012] This utility model has the following advantages:

[0013] The automotive front and rear bumper testing device works by placing the bumper on top of the placement plate, rotating the rotating block to fix the limit plate to the top plate, and simultaneously engaging one end of the chain with the outer wall of the bumper. Then, another fixing frame is attached to the chain-connected fixing frame to limit the bumper's position. A fixing bolt passes through the connecting block for final fixation, achieving double fixation of the bumper and preventing it from detaching during testing, thus meeting practical usage requirements. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is an overall structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional structural diagram of the impact box of this utility model;

[0017] Figure 3 This is a structural diagram of the main mechanism of this utility model.

[0018] Figure label:

[0019] 100. Main body; 101. Air cannon; 102. Cylinder; 103. Push plate; 104. Hollow groove; 105. Push rod; 106. Fixing plate; 107. Support plate; 108. First sensor; 109. Second sensor; 110. Placement plate; 111. Anti-slip plate; 112. Rotating block; 113. Limiting plate; 114. Top plate; 115. Magnetic suction plate; 116. Chain; 117. Fixing frame; 118. Connecting block; 119. Fixing bolt; 120. Anti-slip plate; 121. Fixing ring; 122. Load-bearing rod; 200. Impact mechanism; 201. Impact box; 202. Impact wall; 203. Impact disc; 204. Cover plate; 205. Metal mesh. Detailed Implementation

[0020] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0021] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0023] Example 1:

[0024] like Figure 1-3 As shown, a vehicle front and rear bumper testing device includes a main body 100 and an impact mechanism 200 mounted on one end of the main body 100. The main body 100 includes: an air cannon 101, a cylinder 102 mounted on one end of the air cannon 101, a push plate 103 slidably connected to the inside of the cylinder 102, a push rod 105 mounted on one side of the push plate 103, a fixing plate 106 mounted on one end of the push rod 105, second sensors 109 mounted on both ends of one side of the fixing plate 106, a placement plate 110 mounted on one side of the second sensors 109, a rotating block 112 threadedly connected to the bottom of the placement plate 110, a limiting piece 113 mounted on the top of the rotating block 112, and a limiting piece 200 mounted on the second sensors 109. The top plate 114 on one side of the 9th floor, after the bumper is placed on top of the placement plate 110, the rotating block 112 is rotated so that the limiting piece 113 and the top plate 114 fix the bumper. The chain 116 is installed at both ends of the fixing plate 106, the fixing frame 117 is installed at one end of the chain 116, the anti-slip piece 120 is glued inside the fixing frame 117, the docking blocks 118 are installed on both sides of the fixing frame 117, and the fixing bolt 119 is threaded to one side of the docking block 118. After the fixing frame 117 at one end of the chain 116 is snapped onto the outer wall of the bumper, the other fixing frame 117 is docked onto the fixing frame 117 at one end of the chain 116 to limit the bumper. The fixing bolt 119 passes through the docking block 118 to fix it.

[0025] In this embodiment, a hollow groove 104 is provided inside the cylinder 102. A first sensor 108 is installed on one side of the fixing plate 106, and a support plate 107 is installed on one side of the first sensor 108 to measure and collect impact data. An anti-slip plate 111 is glued to the top of the placement plate 110, and a magnetic suction plate 115 is installed at the bottom of the top plate 114 to magnetically fix the metal bumper.

[0026] In this embodiment, a fixing ring 121 is installed on the outer wall of the cylinder 102, and a load-bearing rod 122 is installed at the bottom of the fixing ring 121 to support the cylinder 102.

[0027] In this embodiment, the impact mechanism 200 includes an impact box 201 installed at one end of the cylinder 102, an impact wall 202 installed inside the impact box 201, and an impact disc 203 installed on one side of the impact wall 202. The bumper impacts the impact disc 203 on one side of the impact wall 202 for machine testing. A cover plate 204 is installed on the top of the impact box 201, and a metal mesh 205 is installed inside the cover plate 204.

[0028] In this embodiment: When in use, after placing the bumper on top of the placement plate 110, the rotating block 112 is rotated so that the limiting piece 113 and the top plate 114 fix the bumper. At the same time, after the fixing frame 117 at one end of the chain 116 is snapped onto the outer wall of the bumper, another fixing frame 117 is connected to the fixing frame 117 at one end of the chain 116 to limit the bumper. Then, the fixing bolt 119 passes through the connecting block 118 for fixation, realizing double fixation of the bumper, preventing the bumper from falling off during testing, and meeting the needs of actual use.

[0029] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An automobile front and rear bumper testing device, comprising a main body mechanism (100), and a collision mechanism (200) arranged at one end of the main body mechanism (100), characterized in that: Said main mechanism (100) includes an air cannon (101), a cylinder (102) arranged at one end of the air cannon (101), a push plate (103) arranged inside the cylinder (102), a push rod (105) arranged at one side of the push plate (103), a fixed plate (106) arranged at one end of the push rod (105), a second sensor (109) arranged at both ends of one side of the fixed plate (106), a placement plate (110) arranged at one side of the second sensor (109), a rotating block (112) arranged at the bottom of the placement plate (110), a limiting sheet (113) arranged at the top of the rotating block (112), a top plate (114) arranged at the top of one side of the second sensor (109), a padlock (116) arranged at both ends of the fixed plate (106), a fixed frame (117) arranged at one end of the padlock (116), an anti-skid sheet (120) arranged inside the fixed frame (117), a butt joint block (118) arranged at both sides of the fixed frame (117), and a fixed bolt (119) arranged at one side of the butt joint block (118).

2. The automobile front and rear bumper testing device according to claim 1, characterized in that: A hollow groove (104) is arranged inside the cylinder (102), a first sensor (108) is arranged at one side of the fixed plate (106), and a supporting sheet (107) is arranged at one side of the first sensor (108).

3. The automobile front and rear bumper testing device according to claim 2, characterized in that: An anti-skid plate (111) is arranged at the top of the placement plate (110), and a magnetic attraction sheet (115) is arranged at the bottom of the top plate (114).

4. The device for testing the automobile front and rear bumper according to claim 3, characterized in that: A fixed ring (121) is arranged on the outer wall of the cylinder (102), and a load-bearing rod (122) is arranged at the bottom of the fixed ring (121).

5. The device for testing the automobile front and rear bumper according to claim 4, characterized in that: The impact mechanism (200) includes an impact box (201) arranged at one end of the cylinder (102), an impact wall (202) arranged inside the impact box (201), and an impact disc (203) arranged at one side of the impact wall (202).

6. The device for testing the automobile front and rear bumper according to claim 5, characterized in that: A cover plate (204) is arranged at the top of the impact box (201), and a metal mesh (205) is arranged inside the cover plate (204).

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