Detection mechanism for detecting in-place press fitting and locking torque of adjusting screw

Abstract

The utility model relates to a detection mechanism for detecting in-place press-fitting and locking torque of an adjusting screw, which comprises a workbench and a detection device, the detection device comprises a jacking cylinder, an electronic ruler and a detection sleeve, the jacking cylinder and the electronic ruler are both mounted on the upper surface of a bottom plate, the detection sleeve is arranged on a top plate, and the lower end of the detection sleeve penetrates through the top plate and extends to the lower surface of the top plate. A detection probe is slidably connected into the detection sleeve, the lower end of the detection probe penetrates through the bottom of the detection sleeve and is provided with a connecting plate, a plurality of compression springs are fixed to the lower surface of the connecting plate, and the lower ends of the compression springs are fixed to a bottom plate of the workbench; according to the utility model, the locking torque and the length dimension of the adjusting screw and the lamp housing can be tested and measured only by using two electric devices, namely the jacking cylinder and the electronic ruler, so that the practical cost is low, two indexes of the adjusting screw can be simultaneously detected at one time, the use is very convenient, and the working efficiency during detection is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a detection mechanism for detecting whether an adjusting screw is pressed in place and its locking torque. Background Art

[0002] In the actual production process of automotive lamps, an adjusting screw is often used. The function of this part is to adjust the angle of the rearview mirror, so as to achieve the purpose of changing the light pattern.

[0003] During the production process of lamps, the main performance requirements for the adjusting screw are as follows: First, whether the locking torque between the adjusting screw and the lamp housing meets the requirements. Whether the torque is in place will affect the pass or fail of the later airtight detection of the lamp. Second, whether the pressing length of the adjusting screw is in place. This length requirement will affect the cooperation between the adjusting screw and the rearview mirror. If it is not in place, the adjusting screw cannot play its adjustment role.

[0004] At present, these two performances are detected separately, and the detection efficiency is relatively low. How to efficiently and quickly detect whether the two performances are qualified at the same time is what those skilled in the art need to consider. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a detection mechanism for detecting whether an adjusting screw is pressed in place and its locking torque, which is used to solve the problem that the traditional detection method needs to be carried out step by step and the working efficiency is relatively low.

[0006] A detection mechanism for detecting whether an adjusting screw is pressed in place and its locking torque of the utility model includes a workbench and a detection device. The detection device includes a jacking cylinder, an electronic ruler and a detection sleeve. The workbench includes a bottom plate, a top plate and columns that fixedly connect the bottom plate and the top plate. The jacking cylinder and the electronic ruler are both installed on the upper surface of the bottom plate. The detection sleeve is arranged on the upper surface of the top plate, and its lower end passes through the top plate and extends to the lower surface of the top plate. A detection probe is slidably connected inside the detection sleeve. The lower end of the detection probe passes through the bottom of the detection sleeve and is provided with a connecting plate. A plurality of compression springs are fixed on the lower surface of the connecting plate, and the lower ends of the compression springs are fixed on the bottom plate of the workbench. The detection probe is located directly above the output shaft of the jacking cylinder, and the detection end of the electronic ruler is located below the connecting plate.

[0007] As a further improvement of the utility model, a first through hole is opened in the center of the connecting plate. The lower section of the detection probe is arranged in the first through hole. The lower section of the detection probe is provided with an external thread, and two nuts are sleeved on the external thread section. The two nuts are respectively located above and below the connecting plate.

[0008] As a further improvement of the present utility model, a second through hole is opened at each position on the bottom plate corresponding to the compression spring, and a positioning sleeve is fixed in each second through hole. The positioning sleeve is coaxially arranged with the corresponding compression spring, and the lower end of the compression spring is fixedly connected to the upper end of the corresponding positioning sleeve.

[0009] As a further improvement of the present utility model, a guide rod is arranged in the second through hole. The upper end of the guide rod passes through the middle of the compression spring and is fixedly connected to the lower surface of the connecting plate.

[0010] As a further improvement of the present utility model, there is a gap between the lower surface of the connecting plate and the top of the detection end of the electronic ruler, and between the lower end of the detection probe and the top of the output shaft of the lifting cylinder.

[0011] As a further improvement of the present utility model, connection holes are opened on the upper surface of the top plate and at positions near the periphery of the detection sleeve.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. The present utility model only needs to use two electrical devices, namely a lifting cylinder and an electronic ruler, to test and measure the locking torque and length dimension of the adjusting screw and the lamp housing. The practical cost is relatively low, and two indexes of the adjusting screw can be detected simultaneously at one time, which is very convenient to use and greatly improves the working efficiency during detection.

[0014] 2. The present utility model only needs to fix the lamp housing on the top plate and insert the adjusting screw on the lamp housing into the detection sleeve to realize the detection of two indexes of the screw. The operation is very convenient, which can effectively reduce the labor intensity of workers, and reduce the product rejection rate caused by personnel operation differences, thereby reducing costs and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:

[0016] Figure 1 is a schematic three-dimensional structure diagram of the whole of the present utility model;

[0017] Figure 2 is a schematic diagram of the connection relationship between the workbench and the detection device of the present utility model;

[0018] Figure 3 is a schematic front sectional view of the present utility model when detecting the adjusting screw;

[0019] Figure 4 is a schematic front structure diagram of the present utility model when detecting the adjusting screw;

[0020] Figure 5 This is a three-dimensional structural schematic diagram for detecting and adjusting the screw of the present utility model.

[0021] In the figure: 1. Base plate; 2. Top plate; 3. Lifting cylinder; 4. Electronic ruler; 5. Connecting plate; 6. Nut; 7. Detection sleeve; 8. Detection probe; 9. External thread; 10. Positioning sleeve; 11. Guide rod; 12. Compression spring; 13. Lamp housing; 14. Adjusting screw. Specific embodiments

[0022] The following will disclose multiple embodiments of the present utility model with illustrations. For the sake of clarity, many physical details will be described together in the following narrative. However, it should be understood that these physical details are not used to limit the present utility model. That is to say, in some embodiments of the present utility model, these physical details are not necessary. In addition, for the sake of simplifying the illustrations, some conventional structures and components will be shown in a simple schematic manner in the illustrations.

[0023] In addition, terms such as "horizontal", "vertical", "hanging" do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0024] In the description of the present technology, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present technology can be understood according to specific situations.

[0025] In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions conflicts with each other or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0026] Please refer to Figures 1-5, A detection mechanism for detecting the proper press-fitting and locking torque of an adjustment screw of the present utility model includes a workbench and a detection device. The detection device includes a lifting cylinder 3, an electronic ruler 4, and a detection sleeve 7. The workbench includes a bottom plate 1, a top plate 2, and columns that fixedly connect the bottom plate 1 and the top plate 2. The lifting cylinder 3 and the electronic ruler 4 are both installed on the upper surface of the bottom plate 1. The detection sleeve 7 is provided on the upper surface of the top plate 2, and its lower end passes through the top plate 2 and extends to the lower surface of the top plate 2. A detection probe 8 is slidably connected inside the detection sleeve 7. The lower end of the detection probe 8 passes through the bottom of the detection sleeve 7 and is equipped with a connecting plate 5. The lower surface of the connecting plate 5 is a horizontal plane. A plurality of compression springs 12 are fixed on the lower surface of the connecting plate 5, and the lower ends of the compression springs 12 are fixed on the bottom plate 1 of the workbench. The detection probe 8 is located directly above the output shaft of the lifting cylinder 3, and the detection end of the electronic ruler 4 is located below the connecting plate 5. It should be noted that the model of the electronic ruler 4 is KTC1 pull-rod type electronic ruler 4.

[0027] When testing the adjustment screw 14 during the use of this device, first install the lamp housing 13 on the top plate 2, and insert the adjustment screw 14 threadedly connected to the lamp housing 13 into the detection sleeve 7, and then press the lamp housing 13 to fix the lamp housing 13 on the top plate 2.

[0028] Please refer to Figure 1 and Figure 3 , it should be noted that connection holes are provided on the upper surface of the top plate 2 and around the detection sleeve 7. Connecting pieces are provided at the positions corresponding to the connection holes around the lamp housing 13. The staff realizes the pressing and fixing of the lamp housing 13 by screwing the pressing bolts into the connecting pieces and the connection holes.

[0029] Please refer to Figure 1 , before inserting the adjustment screw 14 into the detection sleeve 7, the lower surface of the connecting plate 5 is in contact with the top of the detection end of the electronic ruler 4, and there is a gap between the lower end of the detection probe 8 and the top of the output shaft of the lifting cylinder 3.

[0030] After completing the above preparations, observe the positional relationship between the adjustment screw 14 and the detection probe 8. There are three situations as follows:

[0031] First, when the adjustment screw 14 does not contact the detection probe 8, it cannot drive the connecting plate 5 to move downward. Therefore, the connecting plate 5 cannot exert pressure on the detection end of the electronic ruler 4, and the electronic ruler 4 has no input signal, so the system alarms. This alarm signal indicates that the adjustment screw 14 is too short and does not meet the requirements;

[0032] Second, if the adjusting screw 14 contacts the detection probe 8 and pushes it to move downward, thereby driving the connecting plate 5 to move downward, applying pressure to the detection end of the electronic ruler 4, causing the detection end of the electronic ruler 4 to move downward. If the downward movement distance of the detection end of the electronic ruler 4 exceeds the preset measurement value of the electronic ruler 4, the system alarms, and the alarm signal indicates that the adjusting screw 14 is too long and does not meet the requirements.

[0033] 3. If neither of the above two alarm signals appears, it is considered that the length of the adjusting screw 14 is qualified, and the next step of detection is started. At this time, the lifting cylinder 3 is started, so that its output end is lifted upward, driving the detection probe 8 to move upward. Through this action, the adjusting screw 14 is subjected to reverse force. At this time, a torque meter is used to measure the torque of the adjusting screw 14, and the value is used to judge whether the torque of the adjusting screw 14 after the force is applied is qualified.

[0034] In some other embodiments, a first through hole is opened in the center of the connecting plate 5, and the lower section of the detection probe 8 is arranged in the first through hole. The lower section of the detection probe 8 is provided with an external thread 9, and two nuts 6 are sleeved on the section of the external thread 9. The two nuts 6 are respectively located above and below the connecting plate 5.

[0035] The initial position of the detection probe 8 can be adjusted by means of the two nuts 6 .

[0036] In some other embodiments, a second through hole is opened at a position corresponding to the compression spring 12 on the base plate 1, and a positioning sleeve 10 is fixed in each second through hole. The positioning sleeve 10 is coaxially arranged with the corresponding compression spring 12, and the lower end of the compression spring 12 is fixedly connected to the upper end of the corresponding positioning sleeve 10. A guide rod 11 is provided in the second through hole, and the upper end of the guide rod 11 passes through the middle of the compression spring 12 and is fixedly connected to the lower surface of the connecting plate 5.

[0037] The positioning sleeve 10 and the guide rod 11 provided on the base plate 1 can provide a limiting support for the connecting plate 5, so that the connecting plate 5 can move in a vertical direction when rising and falling without shaking, thereby ensuring the stability of the device during operation.

[0038] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A detection mechanism for detecting whether an adjusting screw is pressed into place and the locking torque, comprising a workbench and a detection device, characterized in that: The detection device comprises a lifting cylinder (3), an electronic ruler (4) and a detection sleeve (7); The workbench comprises a bottom plate (1), a top plate (2) and a column that fixedly connects the bottom plate (1) and the top plate (2); the lifting cylinder (3) and the electronic ruler (4) are both mounted on the upper surface of the bottom plate (1); the detection sleeve (7) is arranged on the upper surface of the top plate (2), and its lower end passes through the top plate (2) and extends to the lower surface of the top plate (2); The detection sleeve (7) is slidably connected to a detection probe (8), the lower end of the detection probe (8) passes through the bottom of the detection sleeve (7) and is installed with a connecting plate (5), a plurality of compression springs (12) are fixed on the lower surface of the connecting plate (5), and the lower ends of the compression springs (12) are fixed on the bottom plate (1) of the workbench; The detection probe (8) is located directly above the output shaft of the lifting cylinder (3), and the detection end of the electronic ruler (4) is located below the connecting plate (5).

2. A detection mechanism for detecting whether the adjusting screw is pressed into place and the locking torque according to claim 1, characterized in that: A first through hole is provided in the center of the connecting plate (5), and the lower section of the detection probe (8) is arranged in the first through hole. The lower section of the detection probe (8) is provided with an external thread (9), and two nuts (6) are sleeved on the section of the external thread (9), and the two nuts (6) are respectively located above and below the connecting plate (5).

3. A detection mechanism for detecting whether the adjusting screw is pressed into place and the locking torque according to claim 1, characterized in that: A second through hole is formed at each position on the bottom plate (1) corresponding to the compression spring (12), and a positioning sleeve (10) is fixed in each second through hole. The positioning sleeve (10) and the corresponding compression spring (12) are coaxially arranged, and the lower end of the compression spring (12) is fixedly connected to the upper end of the corresponding positioning sleeve (10).

4. A detection mechanism for detecting whether the adjusting screw is pressed into place and the locking torque according to claim 3, characterized in that: A guide rod (11) is provided in the second through hole, and the upper end of the guide rod (11) passes through the middle of the compression spring (12) and is fixedly connected to the lower surface of the connecting plate (5).

5. A detection mechanism for detecting whether the adjusting screw is pressed into place and the locking torque according to claim 1, characterized in that: The lower surface of the connecting plate (5) is in contact with the top of the detection end of the electronic ruler (4), and a gap is left between the lower end of the detection probe (8) and the top of the output shaft of the lifting cylinder (3).

6. A detection mechanism for detecting whether an adjusting screw is pressed into place and the locking torque according to claim 1, characterized in that: Connection holes are provided on the upper surface of the top plate (2) and at locations close to the periphery of the detection sleeve (7).

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