Seat framework assembly rigidity detection device with adjusting structure

Abstract

The utility model discloses a seat framework assembly rigidity detection device with an adjusting structure, which is characterized in that two groups of support leg fixing plate mechanisms are symmetrically arranged at the top of a detection base, a support frame is arranged above the detection base, a first electric telescopic rod is arranged at the top of the inner side of the support frame, and the other end of the first electric telescopic rod is connected with the top of a moving groove; a first lead screw mechanism is rotationally arranged in the moving groove, one end of the first lead screw mechanism is connected with a first driving motor, the outer side of the first lead screw mechanism is connected with an adjusting block, a supporting block is installed at the bottom of the adjusting block, and the lower base face of the supporting block is hinged to the dummy mold lower limb through a second electric telescopic rod and a third electric telescopic rod. According to the seat framework assembly rigidity detection device with the adjusting structure, in order to solve the problem that an existing rigidity detection device can only detect a seat framework assembly fixed under the detection device, a supporting frame is installed above a detection base, and a first electric telescopic rod is installed at the top of the inner side of the supporting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of seat frame assemblies, in particular to a seat frame assembly stiffness detection device with an adjustment structure. Background Art

[0002] With the development of society, cars have become an important means of transportation in people's daily lives. As an important component of the car, the seat frame assembly must undergo various safety tests before leaving the factory. Among them, the stiffness test is particularly important, which determines the safety factor of the car seat during driving.

[0003] After searching, it was found that in the prior art, such as announcement number CN217687784U, there is a device for detecting the stiffness of the seat frame assembly of an automobile, which includes a detection device body and a detection head arranged on the device body. The detection head includes a fixed seat, a hydraulic push rod group and a dummy mold. The hydraulic push rod group includes a first hydraulic push rod and a second hydraulic push rod symmetrically arranged on the lower base surface of the fixed seat. A third hydraulic push rod and a fourth hydraulic push rod are arranged on the base surface of one side of the fixed seat. The output ends of the first hydraulic push rod and the second hydraulic push rod are hinged to the lower limbs of the dummy mold, and the output ends of the third hydraulic push rod and the fourth hydraulic push rod are hinged to the upper limbs of the dummy mold. By controlling the amount of outward propulsion of the first hydraulic push rod, the second hydraulic push rod, the third hydraulic push rod and the fourth hydraulic push rod, the dummy mold can be controlled to adapt to different models of seat frame assemblies, and then the stiffness of the seat frame assembly can be detected.

[0004] To sum up, the existing seat frame assembly stiffness detection device can detect seat frame assemblies of different models, but the existing stiffness detection device can only detect the seat frame assembly fixed directly below the detection device. After the detection is completed, it is removed and another set of seat frame assemblies is installed for detection. The detection efficiency is low. Therefore, a seat frame assembly stiffness detection device with an adjustment structure is proposed. Utility Model Content

[0005] The utility model aims to provide a seat frame assembly stiffness detection device with an adjustment structure to solve the problem that the existing stiffness detection device mentioned in the background technology can only detect the seat frame assembly fixed directly below the detection device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seat frame assembly stiffness detection device with an adjustment structure, comprising a detection base, two sets of support foot fixing plate mechanisms are symmetrically arranged on the top of the detection base, and a support frame is installed above the detection base, a first electric telescopic rod is installed on the inner top of the support frame, and the other end of the first electric telescopic rod is connected to the top of the movable groove, a first screw mechanism is rotatably arranged inside the movable groove, and one end of the first screw mechanism is connected to the first driving motor, the outer side of the first screw mechanism is connected to the adjustment block, and a support block is installed on the bottom of the adjustment block, the lower base surface of the support block is hinged to the lower limbs of the dummy mold through the second electric telescopic rod and the third electric telescopic rod, and the base surface on one side of the support block is hinged to the upper limbs of the dummy mold through the fourth electric telescopic rod and the fifth electric telescopic rod.

[0007] Preferably, the support leg fixing plate mechanism includes a driving block, and the driving block moves in an open groove opened on the top of the detection base, a fixing frame is installed on the top of the driving block, and a synchronous driving mechanism is arranged on the top of the outer side of the fixing frame, the synchronous driving mechanism is connected to two groups of sleeves arranged below the fixing frame, and the bottoms of the two groups of sleeves are connected through a fixing plate, and a balance plate slidably connected to the sleeve is arranged below the fixing frame.

[0008] Through the above technical solution, it is convenient to fix the seat frame assembly.

[0009] Preferably, a second screw mechanism is provided inside the open groove, one end of the second screw mechanism is connected to the second drive motor, and the outer side of the second screw mechanism is connected to the drive block.

[0010] Through the above technical solution, it is easy to drive the driving block to move.

[0011] Preferably, the synchronous drive mechanism includes a third drive motor, and the output end of the third drive motor is connected to a double-groove driving wheel arranged inside the installation box, and the double-groove driving wheel is connected to driven wheels arranged on both sides through a transmission belt, and the driven wheel is installed on the outside of the second screw mechanism.

[0012] Through the above technical solution, it is convenient to synchronously drive the second screw mechanism to rotate.

[0013] Preferably, the adjustment block is slidably connected to the inside of the movable groove.

[0014] Through the above technical solution: it is convenient for the adjustment block to move.

[0015] Preferably, the output ends of the second electric telescopic rod, the third electric telescopic rod, the fourth electric telescopic rod and the fifth electric telescopic rod are respectively provided with an infrared distance measuring sensor for measuring the displacement of the push rod and a pressure sensor for outputting a pressure value.

[0016] Through the above technical solution: it is convenient to carry out stiffness detection.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: the seat frame assembly stiffness detection device with an adjustment structure solves the problem that the existing stiffness detection device can only detect the seat frame assembly fixed directly below the detection device, by installing a support frame above the detection base, a first electric telescopic rod is installed on the inner top of the support frame, and the other end of the first electric telescopic rod is connected to the top of the movable groove, a first screw mechanism is rotatably arranged inside the movable groove, and one end of the first screw mechanism is connected to the first drive motor, the outer side of the first screw mechanism is connected to the adjustment block, and a support block is installed at the bottom of the adjustment block, the lower base surface of the support block is hinged to the lower limbs of the dummy mold through the second electric telescopic rod and the third electric telescopic rod, and the base surface on one side of the support block is hinged to the upper limbs of the dummy mold through the fourth electric telescopic rod and the fifth electric telescopic rod, by turning on the first drive motor, the adjustment block moves under the action of the first drive motor, thereby driving the dummy mold to move laterally, so that it moves to the top of the adjacent seat frame assembly for detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall front view cross-sectional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the support foot fixing plate mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the synchronous drive mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the mobile tank of the utility model.

[0022] In the figure: 1. detection base; 2. support foot fixing plate mechanism; 201. drive block; 202. fixing frame; 203. synchronous drive mechanism; 2031. third drive motor; 2032. installation box; 2033. double-groove driving wheel; 2034. transmission belt; 2035. driven wheel; 204. sleeve; 2041. balance plate; 205. fixing plate; 206. second screw mechanism; 207. second drive motor; 3. support frame; 301. first electric telescopic rod; 302. moving groove; 303. first screw mechanism; 304. first drive motor; 305. adjustment block; 306. support block; 307. second electric telescopic rod; 308. third electric telescopic rod; 3081. fourth electric telescopic rod; 3082. fifth electric telescopic rod; 4. dummy mold. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 The utility model provides a technical solution: a seat frame assembly stiffness detection device with an adjustment structure, comprising a detection base 1.

[0025] Specifically, two sets of support foot fixing plate mechanisms 2 are symmetrically arranged on the top of the detection base 1, and a support frame 3 is installed above the detection base 1, a first electric telescopic rod 301 is installed on the inner top of the support frame 3, and the other end of the first electric telescopic rod 301 is connected to the top of the movable groove 302, a first screw mechanism 303 is rotatably arranged inside the movable groove 302, and one end of the first screw mechanism 303 is connected to the first driving motor 304, the outer side of the first screw mechanism 303 is connected to the adjustment block 305, and a support block 306 is installed at the bottom of the adjustment block 305, the lower base surface of the support block 306 is hinged to the lower limbs of the dummy mold 4 through the second electric telescopic rod 307 and the third electric telescopic rod 308, and the base surface on one side of the support block 306 is hinged to the upper limbs of the dummy mold 4 through the fourth electric telescopic rod 3081 and the fifth electric telescopic rod 3082.

[0026] Specifically, the support foot fixing plate mechanism 2 includes a driving block 201, and the driving block 201 moves in an open groove opened on the top of the detection base 1, a fixing frame 202 is installed on the top of the driving block 201, and a synchronous driving mechanism 203 is arranged on the top of the outer side of the fixing frame 202, the synchronous driving mechanism 203 is connected to two groups of sleeves 204 arranged below the fixing frame 202, and the bottoms of the two groups of sleeves 204 are connected by a fixing plate 205, and a balance plate 2041 slidably connected to the sleeve 204 is arranged below the fixing frame 202.

[0027] Specifically, a second screw mechanism 206 is disposed inside the open slot, and one end of the second screw mechanism 206 is connected to the second drive motor 207 , and the outer side of the second screw mechanism 206 is connected to the drive block 201 .

[0028] Specifically, the synchronous drive mechanism 203 includes a third drive motor 2031, and the output end of the third drive motor 2031 is connected to a double-groove driving wheel 2033 arranged inside the installation box 2032, and the double-groove driving wheel 2033 is connected to the driven wheels 2035 arranged on both sides through a transmission belt 2034, and the driven wheel 2035 is installed on the outside of the second screw mechanism 206.

[0029] In a further embodiment, an anti-self-rotation device is installed at the output ends of the first drive motor 304 and the second drive motor 207 .

[0030] In yet a further embodiment, the adjustment block 305 is slidably connected to the interior of the movable slot 302 .

[0031] In a further embodiment, the output ends of the second electric telescopic rod 307, the third electric telescopic rod 308, the fourth electric telescopic rod 3081 and the fifth electric telescopic rod 3082 are respectively provided with an infrared ranging sensor for measuring the displacement of the push rod and a pressure sensor for outputting pressure values. The infrared ranging sensor and the pressure sensor are respectively electrically connected to the control device for feeding back the measured data to the control device and then analyzing the data.

[0032] When in use, several groups of seat frame assemblies are placed side by side above the detection base 1. After placement, the second drive motor 207 is turned on. Under the action of the second drive motor 207, the second screw mechanism 206 rotates, thereby driving the drive block 201 and the fixing frame 202 to move, so that the fixing plate 205 moves to just above the seat frame assembly foot. After the movement is completed, the third drive motor 2031 is turned on. Under the action of the third drive motor 2031, the second screw mechanism 206 set on both sides is driven to rotate, thereby driving the fixing plate 205 to move downward, so that the fixing plate 205 is pressed against the seat frame assembly foot to limit it. After the limiting is completed, the second drive motor 2031 is turned on to control the second screw mechanism 206 to rotate. The electric telescopic rod 307, the third electric telescopic rod 308, the fourth electric telescopic rod 3081 and the fifth electric telescopic rod 3082 are in operation to fit the dummy mold 4 with the seat frame assembly, thereby applying pressure to the base and backrest of the seat frame assembly. When the pressure reaches the set value, it remains constant. The pressure sensor and the infrared ranging sensor will feed back the signal to the control device and analyze the obtained data. After a set of tests are completed, the first drive motor 304 is turned on. Under the action of the first drive motor 304, the first screw mechanism 303 drives the adjustment block 305 to move, so that the dummy mold 4 moves to the top of the adjacent seat frame assembly for testing.

[0033] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A seat frame assembly stiffness detection device with an adjustment structure, comprising a detection base (1), characterized in that: Two groups of foot fixing plate mechanisms (2) are symmetrically arranged on the top of the detection base (1), and a support frame (3) is installed above the detection base (1). A first electric telescopic rod (301) is installed on the top of the inner side of the support frame (3), and the other end of the first electric telescopic rod (301) is connected to the top of the movable groove (302). A first screw mechanism (303) is rotatably arranged inside the movable groove (302), and one end of the first screw mechanism (303) is connected to the first driving motor (304). The first screw mechanism (303) is connected to the adjusting block (305) on the outside, and a supporting block (306) is installed at the bottom of the adjusting block (305); the lower base surface of the supporting block (306) is hinged to the lower limbs of the dummy mold (4) through the second electric telescopic rod (307) and the third electric telescopic rod (308); and the base surface of one side of the supporting block (306) is hinged to the upper limbs of the dummy mold (4) through the fourth electric telescopic rod (3081) and the fifth electric telescopic rod (3082).

2. The seat frame assembly stiffness detection device with an adjustment structure according to claim 1, characterized in that: The support foot fixing plate mechanism (2) comprises a driving block (201), and the driving block (201) moves in an open slot opened at the top of the detection base (1); a fixing frame (202) is installed on the top of the driving block (201), and a synchronous driving mechanism (203) is arranged on the top of the outer side of the fixing frame (202); the synchronous driving mechanism (203) is connected to two groups of sleeves (204) arranged below the fixing frame (202), and the bottoms of the two groups of sleeves (204) are connected through a fixing plate (205); and a balancing plate (2041) slidably connected to the sleeves (204) is arranged below the fixing frame (202).

3. The seat frame assembly stiffness detection device with an adjustment structure according to claim 2, characterized in that: A second screw mechanism (206) is arranged inside the open groove, one end of the second screw mechanism (206) is connected to a second drive motor (207), and the outer side of the second screw mechanism (206) is connected to the drive block (201).

4. The seat frame assembly stiffness detection device with an adjustment structure according to claim 2, characterized in that: The synchronous drive mechanism (203) comprises a third drive motor (2031), and the output end of the third drive motor (2031) is connected to a double-groove driving wheel (2033) arranged inside the installation box (2032), and the double-groove driving wheel (2033) is connected to driven wheels (2035) arranged on both sides via a transmission belt (2034), and the driven wheels (2035) are installed on the outside of the second screw mechanism (206).

5. The seat frame assembly stiffness detection device with an adjustment structure according to claim 1, characterized in that: The adjusting block (305) is slidably connected to the inside of the moving groove (302).

6. The seat frame assembly stiffness detection device with an adjustment structure according to claim 1, characterized in that: The output ends of the second electric telescopic rod (307), the third electric telescopic rod (308), the fourth electric telescopic rod (3081) and the fifth electric telescopic rod (3082) are respectively provided with an infrared distance measuring sensor for measuring the displacement of the push rod and a pressure sensor for outputting a pressure value.

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