A device for detecting the length of automobile water-cut trim strips

Abstract

The present invention discloses a device for detecting the length of automobile water-cut decorative strips, comprising a measuring support plate, an automobile water-cut decorative strip, a size positioning plate, an error adjustment mechanism and a protective shell, wherein the error adjustment mechanism is arranged at one end of the rear side of the measuring support plate, and the protective shell is fixedly mounted on the outside of the error adjustment mechanism, and a supporting side plate is fixedly connected to the rear side of the top end of the measuring support plate, and a through-slot is provided through the supporting side plate, and a size error slot is provided at one end of the top end of the measuring support plate close to the protective shell, and scale lines are evenly provided at one side of the top end of the measuring support plate close to the supporting side plate. The present invention locks the standard length by the size positioning plate and the scale lines, and sets the error range at the zero scale position, that is, it can easily detect whether the product is qualified in an intuitive display manner, and the step of calculating the error can be omitted by the error adjustment mechanism, thereby improving the detection efficiency.

Description

Technical Field

[0001] The invention relates to the field of automobile parts detection, in particular to a device for detecting the length of automobile water-cut trim strips. Background Art

[0002] In the automobile manufacturing and parts production industry, automobile water-cut trim strips are important exterior decoration and sealing components. The accuracy of their length dimensions has a crucial impact on the assembly effect of the entire vehicle and product quality. Automobile manufacturers need to strictly test the length of each water-cut trim strip to ensure that it meets the established quality standards, thereby ensuring the aesthetics and functionality of the entire vehicle.

[0003] However, the existing length detection methods have many shortcomings when applied to the detection of automobile water-cut trim strips. Traditional manual measurement methods, such as using tools such as tape measures or rulers for measurement, are not only inefficient, but also easily affected by human factors, resulting in poor accuracy and stability of the measurement results. After the measurement, the error range needs to be calculated in time to determine whether the product is qualified. This detection method cannot meet the needs of efficient and accurate detection. Therefore, a vehicle water-cut trim strip length detection device is urgently needed to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a device for detecting the length of a water-cut trim strip of an automobile, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for detecting the length of an automobile water-cut trim strip, comprising a measuring support plate, an automobile water-cut trim strip, a size positioning plate, an error adjustment mechanism and a protective shell, wherein the error adjustment mechanism is arranged at one end of the rear side of the measuring support plate, and the protective shell is fixedly installed on the outside of the error adjustment mechanism; a supporting side plate is fixedly connected to the rear side of the top end of the measuring support plate, a through-slot is penetrated through the supporting side plate, a size error groove is opened at one end of the top end of the measuring support plate close to the protective shell, scale lines are evenly opened on one side of the top end of the measuring support plate close to the supporting side plate, and the zero scale of the scale lines is located in the middle of the size error groove; a protective plate is fixedly installed on the top end of the measuring support plate, the automobile water-cut trim strip is placed on the top end of the protective plate, and the size positioning plate is movably connected to the supporting side plate.

[0006] Preferably, the error adjustment mechanism includes a supporting ear, two supporting ears are symmetrically provided, and the error adjustment mechanism is fixedly mounted on the rear end of the measuring support plate through the supporting ears, the supporting ear is rotatably connected to a rotating shaft at one end away from the measuring support plate, a limiting rod is fixedly installed between the two supporting ears and at one end of the supporting ear away from the rotating shaft, a bidirectional threaded rod is fixedly installed between the two rotating shafts, two groups of thread grooves are symmetrically provided on the outer side of the bidirectional threaded rod, an adjusting part is threadedly connected to the outer side of the bidirectional threaded rod through the thread grooves, and two adjusting parts are symmetrically provided on the bidirectional threaded rod, the two adjusting parts are respectively slidably connected to the outer sides of the limiting rod, a pointer is fixedly connected to one end of the adjusting part close to the measuring support plate, and an adjusting rotary head is fixedly connected to one end of the rotating shaft close to the middle of the measuring support plate away from the bidirectional threaded rod.

[0007] Preferably, one end of the protective shell is fixedly connected to a protective side plate, and a limiting hole is formed through the outer bottom end of the protective side plate, and a sliding card rod is slidably connected to the inside of the limiting hole, one end of the sliding card rod is spherical, and the part of the sliding card rod located on the protective side plate close to the protective shell is a hemispherical part of the spherical end, and the end of the sliding card rod away from the spherical end is fixedly connected to a baffle, and the end of the baffle away from the sliding card rod is fixedly connected to a support rod, and an energy storage spring is nested on the outside of the support rod, and a fixed shell is fixedly installed on the outer bottom end of the protective side plate, and a plug-in hole is formed through the middle part of the end of the fixed shell away from the protective side plate, the support rod is slidably connected to the inner side of the plug-in hole, the energy storage spring is located inside the fixed shell, and one end of the energy storage spring is close to one end of the baffle close to the support rod, and the other end of the energy storage spring is close to the inner side of one end of the fixed shell close to the plug-in hole.

[0008] Preferably, one end of the protective shell close to the protective side panel is rotatably connected to a flip cover via a hinge shaft, a push rod is fixedly connected to the middle part of the outer side of the flip cover, and a slot is provided at the bottom end of the flip cover close to the protective side panel, and the slot matches the spherical end of the sliding rod.

[0009] Preferably, a plug-in slot is provided at the bottom end of the size positioning plate, and the size positioning plate is slidably connected to the outer side of the support side plate through the plug-in slot. A fixing bolt is threaded on the size positioning plate, and the fixing bolt is slidably connected to the inner side of the through-slot. The threaded end of the fixing bolt passes through the size positioning plate and is located on a side of the support side plate close to the measurement support plate and is threadedly connected to the size positioning plate and is located on a side of the support side plate away from the measurement support plate. The bottom end of the size positioning plate is slidably connected to the top end of the protective plate.

[0010] Preferably, the error adjustment mechanism is located on the rear side of one end of the measuring support plate close to the size error groove, the end of the pointer away from the adjustment part is located inside the size error groove, and the two pointers are symmetrically distributed inside the size error groove, and the pointer is located below the protective plate.

[0011] Preferably, the portion of the error adjustment mechanism located at the rear side of the measurement support plate is arranged inside the protective shell, and the adjustment rotary head is located on the inner side of the flip cover.

[0012] Preferably, the protective plate is made of transparent wear-resistant material.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The present invention locks the standard length through the size positioning plate and the scale line, and sets the error range at the zero scale position, that is, it can be easily detected whether the product is qualified in an intuitive display manner, and the step of calculating the error can be omitted through the error adjustment mechanism, thereby improving the detection efficiency. The two pointers can be moved in the opposite direction in the size error groove by rotating the adjustment head, and the required error range can be easily set, and it can be flexibly adjusted according to different detection accuracy requirements, product standards, etc. The operation is simple and intuitive, and no complicated tools or professional debugging knowledge are required. The adaptability of the equipment to detecting products of different specifications is improved, which is helpful to improve the reliability of the length detection result. The error adjustment mechanism is protected by the protective shell and the flip cover to avoid damage during use. When the error range needs to be adjusted, it is flexible and convenient to open the flip cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main three-dimensional structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the main body split structure in the present invention;

[0017] Figure 3 It is a schematic diagram of the rear structure of the main body in the present invention;

[0018] Figure 4 It is a schematic diagram of the structure of the error adjustment mechanism in the present invention;

[0019] Figure 5 It is a schematic diagram of the protective housing structure in the present invention;

[0020] Figure 6 It is a schematic diagram of the structure of the protective housing A in the present invention;

[0021] Figure 7 It is a partial structural schematic diagram of the size error groove in the present invention.

[0022] In the figure: 1-measuring support plate, 2-car water-cut trim, 3-size positioning plate, 4-scale line, 5-size error groove, 6-support side plate, 7-through slot, 8-protective plate, 9-plug-in slide groove, 10-fixing bolt, 11-error adjustment mechanism, 12-support ear, 13-rotating shaft, 14-protective shell, 15-bidirectional threaded rod, 16-limit rod, 17-thread groove, 18-adjustment part, 19-pointer, 20-adjustment head, 21-protective side plate, 22-flip cover, 23-push rod, 24-slot, 25-limit hole, 26-sliding card rod, 27-baffle, 28-support rod, 29-energy storage spring, 30-fixed shell, 31-plug-in hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 7 The present invention provides an embodiment: a vehicle water-cut trim length detection device, comprising a measuring support plate 1, a vehicle water-cut trim 2, a size positioning plate 3, an error adjustment mechanism 11 and a protective shell 14, wherein the error adjustment mechanism 11 is arranged at one end of the rear side of the measuring support plate 1, and the protective shell 14 is fixedly installed on the outside of the error adjustment mechanism 11, and the protective shell 14 is used to protect the error adjustment mechanism 11, so as to prevent the internal parts of the error adjustment mechanism 11 from being collided when moving or working, and the top rear side of the measuring support plate 1 is fixedly connected to the measuring support plate 1. There is a supporting side plate 6, and a through slot 7 is opened on the supporting side plate 6. A size error groove 5 is opened at the end of the top of the measuring support plate 1 close to the protective shell 14. Scale lines 4 are evenly opened on the side of the top of the measuring support plate 1 close to the supporting side plate 6. The zero scale of the scale line 4 is located in the middle of the size error groove 5. A protective plate 8 is fixedly installed on the top of the measuring support plate 1. The protective plate 8 is made of transparent and wear-resistant material for easy observation of the scale. The automobile water-cut trim 2 is placed on the top of the protective plate 8, and the size positioning plate 3 is movably connected to the supporting side plate 6.

[0025] See also Figure 4The error adjustment mechanism 11 includes a support ear 12, two support ears 12 are symmetrically arranged, and the error adjustment mechanism 11 is fixedly installed on the rear side end of the measurement support plate 1 through the support ear 12, and the end of the support ear 12 away from the measurement support plate 1 is rotatably connected with a rotation shaft 13, and a limit rod 16 is fixedly installed between the two support ears 12 and at the end of the support ear 12 away from the rotation shaft 13, and a bidirectional threaded rod 15 is fixedly installed between the two rotation shafts 13, and two groups of thread grooves 17 are symmetrically opened on the outer side of the bidirectional threaded rod 15, and an adjustment part 18 is threadedly connected to the outer side of the bidirectional threaded rod 15 through the thread groove 17. Two adjusting parts 18 are symmetrically provided on the bidirectional threaded rod 15. The two sets of symmetrically opened thread grooves 17 can make the adjusting parts 18 threadedly connected to the two ends of the bidirectional threaded rod 15 move synchronously in the same direction or in the opposite direction. The two adjusting parts 18 are respectively slidably connected to the outer sides of the limit rod 16, and the limit rod 16 is used to apply horizontal limit to the adjusting part 18. A pointer 19 is fixedly connected to one end of the adjusting part 18 close to the measuring support plate 1. The movement of the adjusting part 18 drives the pointer 19 to move synchronously. An adjusting rotary head 20 is fixedly connected to one end of the rotating shaft 13 close to the middle part of the measuring support plate 1 and away from the bidirectional threaded rod 15.

[0026] See also Figure 5 , Figure 6 One end of the protective shell 14 is fixedly connected to a protective side plate 21, and a limiting hole 25 is formed at the outer bottom end of the protective side plate 21. A sliding card rod 26 is slidably connected to the inside of the limiting hole 25. One end of the sliding card rod 26 is spherical in design, and the part of the sliding card rod 26 located on the side of the protective side plate 21 close to the protective shell 14 is a hemispherical part of the spherical end. The spherical design facilitates the vertical squeezing of the sliding card rod 26 to push the sliding card rod 26 to move in the horizontal direction. The end of the sliding card rod 26 away from the spherical end is fixedly connected to a baffle 27, and the end of the baffle 27 away from the sliding card rod 26 is fixedly connected to a support rod 28. An energy storage spring 29 is nested on the outer side of the support rod 28. When the sliding card rod 26 is squeezed and moved outward, the sliding card rod 26 drives the baffle 27 to move and squeezes the energy storage spring 29. Contraction, when the pressure is lost, the energy storage spring 29 rebounds to push the baffle 27 and drive the sliding card rod 26 to return to the initial position, a fixed shell 30 is fixedly installed on the outer bottom end of the protective side plate 21, and a plug hole 31 is penetrated through the middle of the end of the fixed shell 30 away from the protective side plate 21, and the support rod 28 is slidably connected to the inner side of the plug hole 31, the energy storage spring 29 is located inside the fixed shell 30, and one end of the energy storage spring 29 is close to the end of the baffle 27 close to the support rod 28, and the other end of the energy storage spring 29 is close to the inner side of the end of the fixed shell 30 close to the plug hole 31. When the sliding card rod 26 moves toward the fixed shell 30, it drives the support rod 28 to slide along the inner side of the plug hole 31 toward the outer end of the fixed shell 30, and blocks the movement of the energy storage spring 29 through the inner end of the fixed shell 30.

[0027] One end of the protective shell 14 close to the protective side plate 21 is rotatably connected to the flip cover 22 through a hinge shaft, and a push rod 23 is fixedly connected to the middle part of the outer side of the flip cover 22. The flip cover 22 can be driven to rotate upward and open by pushing the push rod 23 upward by external force. A card slot 24 is provided at the bottom end of the flip cover 22 close to the protective side plate 21. The card slot 24 and the spherical end of the sliding card rod 26 match. When the flip cover 22 is closed, the spherical end of the sliding card rod 26 is inserted into the inside of the card slot 24 to achieve card connection, thereby locking the flip cover 22.

[0028] See also Figure 2 The bottom end of the dimension positioning plate 3 is provided with a plug-in slot 9, and the dimension positioning plate 3 is slidably connected to the outer side of the supporting side plate 6 through the plug-in slot 9. The dimension positioning plate 3 is pushed by external force to move on the supporting side plate 6 to adjust the required measuring length according to the scale line 4. The dimension positioning plate 3 is threadedly connected with a fixing bolt 10, and the fixing bolt 10 is slidably connected to the inner side of the through-slot 7. The threaded end of the fixing bolt 10 passes through the dimension positioning plate 3 and is located on the side of the supporting side plate 6 close to the measuring support plate 1 and is threadedly connected to the side of the supporting side plate 6 away from the measuring support plate 1. By turning the fixing bolt 10 away from the supporting side plate 6, the squeezing of the supporting side plate 6 by the inner side of the plug-in slot 9 can be loosened. At this time, the dimension positioning plate 3 can be moved on the supporting side plate 6, and the fixing bolt 10 is turned close to the supporting side plate 6 until the inner side of the plug-in slot 9 is close to the outer side of the supporting side plate 6. At this time, the dimension positioning plate 3 is fixed on the supporting side plate 6 to lock the measuring length, and the bottom end of the dimension positioning plate 3 is slidably connected to the top of the protective plate 8.

[0029] See also Figure 3 , Figure 7 The error adjustment mechanism 11 is located at the rear side of one end of the measuring support plate 1 close to the size error groove 5, the end of the pointer 19 away from the adjustment part 18 is located inside the size error groove 5, and the two pointers 19 are symmetrically distributed inside the size error groove 5, and the pointer 19 is located below the protective plate 8. When adjusting the position of the pointer 19, the pointer 19 moves inside the size error groove 5, and the position of the pointer 19 is confirmed according to the scale line 4 at the bottom end of the size error groove 5. The protective plate 8 covers the top of the measuring support plate 1 and is located above the pointer 19. The two pointers 19 can be adjusted through the protective plate 8. To provide protection, in order to avoid accidentally touching the pointer 19 when measuring the automobile water-cut trim 2, causing the pointer 19 to bend and losing the measurement accuracy, the error adjustment mechanism 11 located at the rear side of the measuring support plate 1 is arranged inside the protective shell 14, and the adjusting turntable 20 is located on the inner side of the flip cover 22. The position of the pointer 19 can be adjusted by adjusting the turntable 20 by opening the flip cover 22. The error adjustment is more convenient without opening the protective shell 14. The error adjustment mechanism 11 is protected as a whole by the protective shell 14 and the flip cover 22, so that foreign objects can be prevented from colliding with the parts in the error adjustment mechanism 11 and causing damage.

[0030] Working principle: During use, first set the error range according to the requirements, push the push rod 23 upwards through external force, the push rod 23 drives the flip cover 22 to rotate upwards, the inner side of the slot 24 squeezes the sliding card rod 26 to move toward the fixed shell 30, and at the same time the sliding card rod 26 drives the baffle 27 to move and squeezes the energy storage spring 29 to contract. When the slot 24 is separated from the sliding card rod 26, the flip cover 22 loses the obstruction and rotates upward to open, and the energy storage spring 29 loses the pressure and rebounds to push the baffle 27 and drive the sliding card rod 26 to return to the initial position, and then the adjusting head 20 is twisted by external force, and the rotation of the adjusting head 20 drives the rotating shaft 13 and the two-way threaded rod 15 to rotate. Since the adjusting portion 18 is threadedly connected to the outside of the two-way threaded rod 15, and the adjusting portion 18 is slidably connected to the outside of the limit rod 16, The rotation of the bidirectional threaded rod 15 pushes the two adjusting parts 18 to move toward the two ends of the bidirectional threaded rod 15 respectively, and the movement of the adjusting part 18 drives the pointer 19 to move inside the size error groove 5. The positions of the two pointers 19 are set according to the scale line 4 at the top of the measuring support plate 1, and the zero scale is located in the middle of the size error groove 5. The two pointers 19 move in opposite directions so that the distance between the pointer 19 and the zero scale is the same, thereby completing the setting of the error range, and then the flip cover 22 is pressed downward by external force. When the bottom end of the flip cover 22 contacts the sliding card rod 26, the sliding card rod 26 is squeezed to slide toward the side of the protective side plate 21 away from the flip cover 22. When the card slot 24 moves to the limiting hole 25, the sliding card rod 26 loses pressure and the energy storage spring 29 rebounds to push the sliding card rod 26 to be inserted into the inner side of the card slot 24 to lock the flip cover 22.

[0031] After the error range is set, start setting the standard length for detection. Use external force to twist the fixing bolt 10 away from the supporting side panel 6 until the fixing bolt 10 is disengaged from the threaded connection part of the size positioning plate 3. Then use external force to push the size positioning plate 3 to slide on the supporting side panel 6, and move the size positioning plate 3 to the required position according to the scale line 4. The side of the size positioning plate 3 close to the size error groove 5 is located on the scale of the standard length to be detected. Then use external force to twist the fixing bolt 10 close to the fixing bolt 10 until the inner side of the plug-in slide groove 9 is close to the outer side of the supporting side panel 6. At this time, the size positioning plate 3 is fixed on the supporting side panel 6 and the length dimension is locked. Then the automobile water-cut trim 2 can be measured, and the automobile water-cut trim 2 is placed on the protective plate 8 by external force. , and push the automobile water-cut trim 2 so that the side of the automobile water-cut trim 2 close to the size positioning plate 3 is close to the side of the size positioning plate 3 close to the size error groove 5. At this time, lay the automobile water-cut trim 2 flat on the top of the protective plate 8, and observe the position of one end of the automobile water-cut trim 2 close to the size error groove 5. When the end of the automobile water-cut trim 2 close to the size error groove 5 is between the two pointers 19, it indicates that the length of the automobile water-cut trim 2 is qualified. When the end of the automobile water-cut trim 2 close to the size error groove 5 is located on the outside of the two pointers 19, it indicates that the length of the automobile water-cut trim 2 is unqualified. The inspector only needs to observe the position above the two pointers 19 to determine whether the length of the automobile water-cut trim 2 is qualified.

[0032] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that numerous changes, modifications, substitutions and alterations may be made to the embodiments without departing from the spirit and scope of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the length of a water-cut decorative strip of an automobile, comprising a measuring support plate (1), a water-cut decorative strip of an automobile (2), a dimension positioning plate (3), an error adjustment mechanism (11) and a protective housing (14), characterized in that: The error adjustment mechanism (11) is arranged at one end of the rear side of the measuring support plate (1), the protective shell (14) is fixedly mounted on the outside of the error adjustment mechanism (11), the rear side of the top end of the measuring support plate (1) is fixedly connected to a supporting side plate (6), a through slot (7) is penetrated through the supporting side plate (6), a dimension error groove (5) is opened at one end of the top end of the measuring support plate (1) close to the protective shell (14), scale lines (4) are evenly opened on one side of the top end of the measuring support plate (1) close to the supporting side plate (6), the zero scale of the scale lines (4) is located at the middle position of the dimension error groove (5), a protective plate (8) is fixedly mounted on the top end of the measuring support plate (1), the automobile water-cut decorative strip (2) is placed on the top end of the protective plate (8), and the dimension positioning plate (3) is movably connected to the supporting side plate (6); The error adjustment mechanism (11) comprises a support ear (12), two of the support ears (12) are symmetrically provided, and the error adjustment mechanism (11) is fixedly mounted on the rear side end of the measurement support plate (1) through the support ear (12), one end of the support ear (12) away from the measurement support plate (1) is rotatably connected to a rotation shaft (13), a limit rod (16) is fixedly mounted between the two support ears (12) and located at one end of the support ear (12) away from the rotation shaft (13), and a bidirectional threaded rod (15) is fixedly mounted between the two rotation shafts (13), and the bidirectional threaded rod (15) is fixedly mounted. ) are symmetrically provided with two groups of thread grooves (17) on the outer side of the bidirectional threaded rod (15); an adjusting portion (18) is threadedly connected to the outer side of the bidirectional threaded rod (15) through the thread grooves (17); and two adjusting portions (18) are symmetrically provided on the bidirectional threaded rod (15); the two adjusting portions (18) are respectively slidably connected to the outer side of the limiting rod (16); a pointer (19) is fixedly connected to one end of the adjusting portion (18) close to the measuring support plate (1); and an adjusting rotating head (20) is fixedly connected to one end of the rotating shaft (13) close to the middle of the measuring support plate (1) away from the bidirectional threaded rod (15); One end of the protective shell (14) is fixedly connected to a protective side plate (21), a limiting hole (25) is formed through the outer bottom end of the protective side plate (21), a sliding clamping rod (26) is slidably connected to the inside of the limiting hole (25), one end of the sliding clamping rod (26) is spherically designed, and the part of the sliding clamping rod (26) located on the side of the protective side plate (21) close to the protective shell (14) is a hemispherical part of the spherical end, the end of the sliding clamping rod (26) away from the spherical end is fixedly connected to a baffle plate (27), and the end of the baffle plate (27) away from the sliding clamping rod (26) is fixedly connected to a support rod (28), and the support rod ( An energy storage spring (29) is embedded on the outer side of the protective side plate (28), a fixed shell (30) is fixedly installed on the outer bottom end of the protective side plate (21), and a plug hole (31) is penetrated through the middle of one end of the fixed shell (30) away from the protective side plate (21), the support rod (28) is slidably connected to the inner side of the plug hole (31), the energy storage spring (29) is located inside the fixed shell (30), and one end of the energy storage spring (29) is in close contact with one end of the baffle (27) close to the support rod (28), and the other end of the energy storage spring (29) is in close contact with the inner side of one end of the fixed shell (30) close to the plug hole (31).

2. The device for detecting the length of a water-cut trim strip for an automobile according to claim 1, characterized in that: One end of the protective housing (14) close to the protective side plate (21) is rotatably connected to a flip cover (22) via a hinge shaft, a push rod (23) is fixedly connected to the middle of the outer side of the flip cover (22), and a slot (24) is provided at the bottom end of the flip cover (22) close to the protective side plate (21), and the slot (24) matches the spherical end of the sliding latch rod (26).

3. The device for detecting the length of a water-cut trim strip for an automobile according to claim 1, characterized in that: The bottom end of the dimension positioning plate (3) is provided with a plug-in slot (9), and the dimension positioning plate (3) is slidably connected to the outer side of the support side plate (6) through the plug-in slot (9). A fixing bolt (10) is threadedly connected to the dimension positioning plate (3), and the fixing bolt (10) is slidably connected to the inner side of the through slot (7). The threaded end of the fixing bolt (10) passes through the dimension positioning plate (3) and is located on a side of the support side plate (6) close to the measurement support plate (1) and is threadedly connected to a side of the dimension positioning plate (3) located on the support side plate (6) away from the measurement support plate (1). The bottom end of the dimension positioning plate (3) is slidably connected to the top end of the protective plate (8).

4. The device for detecting the length of a water-cut trim strip for an automobile according to claim 1, characterized in that: The error adjustment mechanism (11) is located at the rear side of one end of the measurement support plate (1) close to the dimension error groove (5), one end of the pointer (19) away from the adjustment portion (18) is located inside the dimension error groove (5), and the two pointers (19) are symmetrically distributed inside the dimension error groove (5), and the pointers (19) are located below the protective plate (8).

5. The device for detecting the length of a water-cut trim strip for an automobile according to claim 2, characterized in that: The portion of the error adjustment mechanism (11) located on the rear side of the measurement support plate (1) is arranged inside the protective housing (14), and the adjustment rotary head (20) is located on the inner side of the flip cover (22).

6. The device for detecting the length of a water-cut trim strip for an automobile according to claim 1, characterized in that: The protective plate (8) is made of a transparent, wear-resistant material.

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