Automobile bumper support buckle insertion and extraction force testing device

Abstract

The utility model relates to an automobile bumper support buckle insertion and extraction force testing device, which belongs to the technical field of automobile bumpers and comprises a connecting frame, clamping plates are arranged at the left end and the right end of the back side of the connecting frame, and an adjusting mechanism used for adjusting the extension length of the two clamping plates is arranged at the center between the opposite sides of the inner front wall and the inner back wall of the connecting frame. A hook is fixed to the middle of the lower surface of the connecting frame, a protection box is arranged on the lower side of the hook, and positioning mechanisms used for improving the stability of the electric push rod are arranged at the bottoms of the left side and the right side of the protection box correspondingly. According to the automobile bumper support buckle insertion and extraction force testing device, an adjusting mechanism is arranged in an inner cavity of a connecting frame, a rotating rod is rotated to enable a rotating gear to rotate, and then a toothed plate moves to drive a movable frame and a mounting plate to move, so that the extending length of two clamping plates can be adjusted, tools are not needed, and the testing efficiency is improved. And the efficiency of fixing the clamping plate on the automobile bumper is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile bumpers, in particular to a device for testing the insertion and extraction force of a buckle of an automobile bumper bracket. Background Art

[0002] Bumpers are installed at the front and rear ends of cars. They not only have decorative functions, but more importantly, they are safety devices that absorb and mitigate external impact, protect the body and occupants. At present, in addition to maintaining the original protective functions, the front and rear bumpers of cars also pursue harmony and unity with the body shape, and pursue their own lightweight. The front and rear bumpers of cars are made of plastic, which people call plastic bumpers.

[0003] Through searching, it is found that the Chinese patent announcement number: CN218121363U discloses a car bumper bracket buckle plug-in and pull-out force testing device, including a fuselage, a sub-fuselage movably installed on the inner surface of the fuselage, a slideway is provided on the surface of the fuselage, a suction mechanism is provided on the side surface of the fuselage, and a testing mechanism is provided on the rear surface of the fuselage. The conventional car bumper bracket buckle plug-in and pull-out force testing device uses a tensile tester for testing, and the suction cup is pressed to suck the car bumper, the nuts and bolts fix the fuselage and the sub-fuselage, and the card plate is inserted into the gap of the car bumper to fix the bumper, thereby completing the purpose of fixing the car bumper bracket during the test. It is suitable for the buckle test of bumper brackets of various models, and effectively prevents the problem of the tensile device being broken due to incomplete fixation during the test, or the car bumper being pulled and deformed due to inaccurate fixing position. However, in the utility model, the fuselage and the sub-fuselage are fixed by nuts, bolts and gasket nuts, so when adjusting the fuselage and the sub-fuselage, it is necessary to use tools for disassembly, which reduces the fixing efficiency of the fuselage and the sub-fuselage. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a vehicle bumper bracket buckle insertion and extraction force testing device, which has the advantages of easy adjustment of the fuselage and the sub-fuselage, and solves the problem of fixing the fuselage and the sub-fuselage by nuts, bolts and gasket nuts, so that when adjusting the fuselage and the sub-fuselage, it is necessary to use tools for disassembly, which reduces the fixing efficiency of the fuselage and the sub-fuselage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle bumper bracket buckle plug-in and pull-out force testing device, comprising a connecting frame, the left and right ends of the back side of the connecting frame are provided with card plates, the center between the inner front wall and the inner back wall of the connecting frame is provided with an adjustment mechanism for adjusting the extension length of the two card plates, a hook is fixed to the middle of the lower surface of the connecting frame, a protection box is provided on the lower side of the hook, an electric push rod is fixed to the inner bottom wall of the protection box, the output shaft of the electric push rod passes through the protection box and extends to the upper side of the protection box and is fixed with a connecting ring, and the bottoms of the left and right sides of the protection box are provided with positioning mechanisms for improving the stability of the electric push rod;

[0006] The adjusting mechanism includes a rotating rod rotatably connected to the center between the inner front wall and the inner back wall of the connecting frame through a bearing, and a rotating gear is fixed to the outer surface of the rotating rod, and the upper and lower ends of the outer surface of the rotating gear are meshed and connected with tooth plates, and the opposite sides of the tooth plates at the upper and lower ends are fixed with movable frames, and the opposite sides of the two movable frames respectively penetrate the connecting frame and extend to the left and right sides of the connecting frame and are fixed with mounting plates, a through hole is opened on the outer surface of the rotating rod, and a support plate is fixed to the top of the middle part of the front face of the connecting frame, and the upper surface of the support plate is threadedly connected to a No. 1 screw having one end penetrating and extending to its lower surface.

[0007] Furthermore, the cross-section of the two clamping plates is arc-shaped, and a plurality of evenly distributed adsorption blocks are fixed on opposite sides of the two clamping plates.

[0008] Furthermore, the front side of the rotating rod passes through the connecting frame and extends to the front side of the connecting frame. The upper and lower ends of the left and right sides of the connecting frame are provided with fixing holes that match the size of the movable frame, and the mounting plate is fixed to the clamping plate.

[0009] Furthermore, the cross-sectional shape of the movable frame is an inverted U-shape, the number of the through holes is four and the four through holes are connected in pairs.

[0010] Furthermore, limiting rods are fixed on opposite sides of the two movable frames, and limiting grooves are provided on the inner top wall and the inner bottom wall of the connecting frame. The limiting rods perform horizontal linear motion in the inner cavity of the limiting groove.

[0011] Furthermore, the positioning mechanism includes an installation box fixed at the bottom of the left and right sides of the protective box, the upper surface of the installation box is threadedly connected to a No. 2 screw with one end passing through and extending into its inner cavity, the lower surface of the No. 2 screw is rotatably connected to a lifting plate through a bearing, the lower surface of the lifting plate is fixed with a fixing sleeve, and the inner cavity of the fixing sleeve is threadedly connected to a suction cup.

[0012] Furthermore, limit strips are fixed on opposite sides of the left and right side walls of the inner cavity of the installation box, and the left and right ends of the lifting plate make linear up and down motions in the inner cavity of the limit strips. A guide hole matching the size of the fixing sleeve is opened on the lower surface of the installation box.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The automobile bumper bracket buckle insertion and extraction force testing device is provided with an adjustment mechanism in the inner cavity of the connecting frame. By rotating the rotating rod, the rotating gear can be rotated, and then the movable frame and the mounting plate can be driven to move through the movement of the toothed plate, so that the extended length of the two card plates can be adjusted without the aid of tools, which greatly improves the efficiency of fixing the card plates on the automobile bumper.

[0015] 2. The automobile bumper bracket buckle insertion and extraction force testing device can fix the position of the protection box by setting the installation box, the second screw, the lifting plate, the fixing sleeve and the suction cup to cooperate with each other, thereby fixing the position of the electric push rod, avoiding the displacement of the electric push rod, causing problems in the test results, and improving the accuracy of the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the first screw and the rotating rod of the utility model;

[0019] Figure 4 It is a schematic diagram of the positioning mechanism structure of the utility model.

[0020] In the figure: 1 connecting frame, 2 clamping plate, 3 adjusting mechanism, 301 rotating rod, 302 rotating gear, 303 tooth plate, 304 movable frame, 305 mounting plate, 306 through hole, 307 supporting plate, 308 No. 1 screw, 4 hooks, 5 protective box, 6 electric push rod, 7 connecting ring, 8 positioning mechanism, 801 mounting box, 802 No. 2 screw, 803 lifting plate, 804 fixing sleeve, 805 suction cup. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 In this embodiment, a vehicle bumper bracket buckle insertion and extraction force testing device includes a connecting frame 1, and card plates 2 are provided at both ends of the back side of the connecting frame 1. An adjusting mechanism 3 for adjusting the extension length of the two card plates 2 is provided at the center between the inner front wall and the inner back wall of the connecting frame 1. A hook 4 is fixed to the middle of the lower surface of the connecting frame 1, and a protective box 5 is provided on the lower side of the hook 4. An electric push rod 6 is fixed to the inner bottom wall of the protective box 5. The output shaft of the electric push rod 6 penetrates the protective box 5 and extends to the upper side of the protective box 5 and is fixed with a connecting ring 7. Positioning mechanisms 8 for improving the stability of the electric push rod 6 are provided at the bottom of the left and right sides of the protective box 5.

[0023] The cross-section of the two clamping plates 2 is arc-shaped, and a plurality of evenly distributed adsorption blocks are fixed on opposite sides of the two clamping plates 2 .

[0024] See also Figure 2-3 In order to facilitate the adjustment of the extended length of the card plate 2, the adjustment mechanism 3 in this embodiment includes a rotating rod 301 rotatably connected to the center between the inner front wall and the inner back wall of the connecting frame 1 through a bearing, and a rotating gear 302 is fixed to the outer surface of the rotating rod 301. The upper and lower ends of the outer surface of the rotating gear 302 are meshed and connected with toothed plates 303. The two card plates 2 are fixed to the car bumper. First, the rotating rod 301 is rotated. The rotation of the rotating rod 301 causes the rotating gear 302 fixed on its surface to rotate. The rotation of the rotating gear 302 causes the two toothed plates 303 to move in opposite directions. The opposite sides of the toothed plates 303 at the upper and lower ends are fixed with movable frames 304. The opposite sides of the two movable frames 304 respectively penetrate the connecting frame 1 and extend to The left and right sides of the connecting frame 1 are fixed with mounting plates 305. The movement of the tooth plate 303 drives the movable frame 304 to move, so that the mounting plate 305 can be moved. The two card plates 2 can be fixed on the car bumper, and the suction cup 805 can be adsorbed on its surface. A through hole 306 is opened on the outer surface of the rotating rod 301, and a support plate 307 is fixed on the top of the middle part of the front side of the connecting frame 1. The upper surface of the support plate 307 is threadedly connected to a No. 1 screw 308 with one end passing through and extending to the lower surface thereof. After adjusting the card plate 2 to a suitable length, the No. 1 screw 308 can be rotated downward, so that the No. 1 screw 308 can move downward in the inner cavity of the support plate 307 until it moves into the through hole 306, and the rotating rod 301 can be limited to prevent it from rotating.

[0025] Among them, the front side of the rotating rod 301 passes through the connecting frame 1 and extends to the front side of the connecting frame 1. The upper and lower ends of the left and right sides of the connecting frame 1 are provided with fixing holes that are adapted to the size of the movable frame 304. The mounting plate 305 is fixed to the clamping plate 2. The cross-sectional shape of the movable frame 304 is an inverted U shape. The number of through holes 306 is four and the four through holes 306 are connected in pairs.

[0026] In this embodiment, the two movable frames 304 are fixed with limiting rods on the opposite sides thereof, the inner top wall and the inner bottom wall of the connecting frame 1 are provided with limiting grooves, and the limiting rods perform horizontal linear motion in the inner cavity of the limiting grooves.

[0027] See also Figure 4 In order to prevent the electric push rod 6 from shifting, the positioning mechanism 8 in this embodiment includes an installation box 801 fixed to the bottom of the left and right sides of the protection box 5. The upper surface of the installation box 801 is threadedly connected to a No. 2 screw 802 with one end penetrating and extending into its inner cavity. The lower surface of the No. 2 screw 802 is rotatably connected to a lifting plate 803 through a bearing. The electric push rod 6 is started, and the output shaft of the electric push rod 6 moves upward. The connecting ring 7 can be hung on the outer surface of the hook 4, and then the position of the electric push rod 6 can be fixed. The No. 2 screw 802 is rotated, and the No. 2 screw 802 rotates and moves downward, so that The lifting plate 803 is driven to move downward. When the lifting plate 803 moves, both the left and right ends thereof move in the inner cavity of the limit strip, so as to limit the movement of the lifting plate 803. A fixing sleeve 804 is fixed to the lower surface of the lifting plate 803. The inner cavity of the fixing sleeve 804 is threadedly connected with a suction cup 805. The movement of the lifting plate 803 can drive the suction cup 805 to move downward through the fixing sleeve 804, so that the suction cup 805 is adsorbed on the bottom plate, thereby increasing the stability of the electric push rod 6, and then the output shaft of the electric push rod 6 moves downward, so as to test whether the car bumper can be pulled.

[0028] Among them, limit strips are fixed on the opposite sides of the left and right side walls of the inner cavity of the installation box 801, and the left and right ends of the lifting plate 803 make linear up and down motions in the inner cavity of the limit strips. A guide hole matching the size of the fixing sleeve 804 is opened on the lower surface of the installation box 801.

[0029] It should be noted that, by providing a threaded connection between the fixing sleeve 804 and the suction cup 805 , the suction cup 805 can be replaced with an insertion rod in different scenarios, thereby being able to adapt to different usage scenarios.

[0030] The working principle of the above embodiment is:

[0031] (1) When performing a plug-in and pull-out force test on a car bumper, first fix the two card plates 2 on the car bumper, and first rotate the rotating rod 301. The rotation of the rotating rod 301 rotates the rotating gear 302 fixed on its surface, and the rotation of the rotating gear 302 causes the two tooth plates 303 to move in opposite directions. When the tooth plate 303 moves, the limit rod fixed on one side thereof moves in the inner cavity of the limit groove, which can limit the movement of the tooth plate 303. The movement of the tooth plate 303 drives the movable frame 304 to move, so that the mounting plate 305 can be moved, and the two card plates 2 can be fixed on the car bumper, and the suction cup 805 can be adsorbed on its surface. After adjusting the card plate 2 to a suitable length, the No. 1 screw 308 can be rotated downward, so that the No. 1 screw 308 can move downward in the inner cavity of the support plate 307 until it moves into the through hole 306, so that the rotating rod 301 can be limited to prevent it from rotating.

[0032] (2) Then start the electric push rod 6, and the output shaft of the electric push rod 6 moves upward, so that the connecting ring 7 can be hung on the outer surface of the hook 4, and then the position of the electric push rod 6 can be fixed, and the No. 2 screw 802 is rotated. The No. 2 screw 802 rotates and moves downward, thereby driving the lifting plate 803 to move downward. When the lifting plate 803 moves, both its left and right ends move in the inner cavity of the limit strip, which can limit the movement of the lifting plate 803. The movement of the lifting plate 803 can drive the suction cup 805 to move downward through the fixing sleeve 804, and then the suction cup 805 is adsorbed on the bottom plate, thereby increasing the stability of the electric push rod 6, and then the output shaft of the electric push rod 6 is moved downward, and then a test can be carried out to see whether the car bumper can be pulled.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A vehicle bumper bracket buckle insertion and extraction force testing device, comprising a connecting frame (1), characterized in that: The left and right ends of the back side of the connecting frame (1) are provided with card plates (2); an adjustment mechanism (3) for adjusting the extension length of the two card plates (2) is provided at the center between the inner front wall and the inner back wall of the connecting frame (1); a hook (4) is fixed in the middle of the lower surface of the connecting frame (1); a protection box (5) is provided on the lower side of the hook (4); an electric push rod (6) is fixed on the inner bottom wall of the protection box (5); the output shaft of the electric push rod (6) passes through the protection box (5) and extends to the upper side of the protection box (5) and is fixed with a connecting ring (7); and positioning mechanisms (8) for improving the stability of the electric push rod (6) are provided at the bottom of the left and right sides of the protection box (5); The adjustment mechanism (3) comprises a rotating rod (301) rotatably connected to the center between the inner front wall and the inner back wall of the connecting frame (1) through a bearing, a rotating gear (302) is fixed to the outer surface of the rotating rod (301), and the upper and lower ends of the outer surface of the rotating gear (302) are meshedly connected with tooth plates (303), and the opposite sides of the tooth plates (303) at the upper and lower ends are fixed with movable frames (304), and the opposite sides of the two movable frames (304) respectively penetrate the connecting frame (1) and extend to the left and right sides of the connecting frame (1) and are fixed with mounting plates (305), and the outer surface of the rotating rod (301) is provided with a through hole (306), and a support plate (307) is fixed to the top of the middle part of the front of the connecting frame (1), and the upper surface of the support plate (307) is threadedly connected to a No. 1 screw (308) having one end penetrating and extending to the lower surface thereof.

2. The device for testing the insertion and extraction force of a car bumper bracket buckle according to claim 1, characterized in that: The cross-sectional shape of the two clamping plates (2) is arc-shaped, and a plurality of evenly distributed adsorption blocks are fixed on opposite sides of the two clamping plates (2).

3. The device for testing the insertion and extraction force of a car bumper bracket buckle according to claim 1, characterized in that: The front side of the rotating rod (301) passes through the connecting frame (1) and extends to the front side of the connecting frame (1). The upper and lower ends of the left and right sides of the connecting frame (1) are provided with fixing holes that match the size of the movable frame (304). The mounting plate (305) is fixed to the clamping plate (2).

4. The automobile bumper bracket buckle insertion and extraction force testing device according to claim 1, characterized in that: The cross-sectional shape of the movable frame (304) is an inverted U-shape, the number of the through holes (306) is four, and the four through holes (306) are connected in pairs.

5. The automobile bumper bracket buckle insertion and extraction force testing device according to claim 1, characterized in that: Limiting rods are fixed on opposite sides of the two movable frames (304), and limiting grooves are provided on the inner top wall and the inner bottom wall of the connecting frame (1). The limiting rods perform horizontal linear motion in the inner cavity of the limiting grooves.

6. The automobile bumper bracket buckle insertion and extraction force testing device according to claim 1, characterized in that: The positioning mechanism (8) comprises an installation box (801) fixed to the bottom of the left and right sides of the protection box (5); the upper surface of the installation box (801) is threadedly connected to a No. 2 screw rod (802) having one end passing through and extending into its inner cavity; the lower surface of the No. 2 screw rod (802) is rotatably connected to a lifting plate (803) via a bearing; the lower surface of the lifting plate (803) is fixed with a fixing sleeve (804); the inner cavity of the fixing sleeve (804) is threadedly connected to a suction cup (805).

7. The device for testing the insertion and extraction force of a car bumper bracket buckle according to claim 6, characterized in that: Limiting strips are fixed on opposite sides of the left and right side walls of the inner cavity of the installation box (801), and the left and right ends of the lifting plate (803) both make linear up and down movements in the inner cavity of the limiting strips. A guide hole matching the size of the fixing sleeve (804) is provided on the lower surface of the installation box (801).

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