Detection device for internal diameter of compression spring for vehicle
By using a limiting device to quickly position the compression spring, the problem of the compression spring shifting on the testing table is solved, enabling more efficient and accurate inner diameter testing.
Patent Information
- Application Number
- CN202520426551.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-12
AI Technical Summary
During use, existing automotive compression spring inner diameter testing equipment may experience positional shifts in the compression spring on the testing table, preventing the measuring head from smoothly entering the spring and affecting the accuracy of the inner diameter test.
A limiting device is adopted, including components such as a concave plate, a self-locking motor, a rope, and a clamping plate. The self-locking motor drives the rope to wind up, which in turn drives the clamping plate to quickly position the compression spring, ensuring that the measuring head can accurately enter the spring for testing.
This improves the positioning and detection efficiency of compression springs, reduces detection errors caused by positional offsets, and ensures the accuracy of inner diameter detection.
Smart Images

Figure CN223741558U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection equipment technical field especially relates to the detection device of the inner diameter of vehicle compression spring. BACKGROUND
[0002] Compression spring is a kind of mechanical parts that works using elasticity, and the part made of elastic material is deformed under the action of external force, and restores the original state after removing the external force, in the process of producing spring, the inner diameter of spring needs to be detected to check whether the spring meets the requirements.
[0003] The existing compression spring inner diameter detection equipment for vehicle is mostly used in the process of using to place spring on detection table, then utilize transmission column to drive measuring head to move, and then measuring head moves to the inside of spring and detects its inner diameter.
[0004] But as personnel places compression spring on detection table, position deviation may occur, so that the measuring head above compression spring cannot smoothly enter the inside of compression spring, which affects the normal detection of the inner diameter of compression spring. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the shortcomings in prior art, and provides the detection device of the inner diameter of vehicle compression spring.
[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: the detection device of the inner diameter of vehicle compression spring, including the body, the side of body is provided with button, the side of body is provided with controller, the side of body is provided with transmission column, the side of transmission column is provided with measuring head, the side of body is provided with detection table, the side of detection table is provided with the limiting device that fixes and quickly positions multiple different size compression springs, the limiting device includes concave plate, and the connecting device is arranged between concave plate and detection table.
[0007] The effect reached by the above-mentioned components is that first, place compression spring on detection table, then utilize transmission column to drive measuring head to move, and then measuring head moves to the inside of compression spring and detects its inner diameter.
[0008] Preferably, one side of the concave plate is provided with a circular groove, two rectangular holes are symmetrically provided on one side of the concave plate, the inner wall of the rectangular hole is cross-shaped in cross-section, a circular hole is formed in the inner wall of the circular groove, two sliding blocks are slidably connected to the inner walls of the two rectangular holes, the surface of the sliding block is cross-shaped, two clamping plates are fixedly connected to one side of the two sliding blocks, a self-locking motor is fixedly connected to one side of the concave plate close to the circular hole, a winding rod is fixedly connected to the output end of the self-locking motor, the surface of the winding rod is rotatably connected to the inner wall of the circular hole, the winding rod is located in the circular groove, two ropes are fixedly connected to one side of the two sliding blocks, the two ropes are arranged in the two rectangular holes and the circular groove respectively, the other ends of the two ropes are fixedly connected to the winding rod, two return springs are fixedly connected to one side of the two sliding blocks, and the other ends of the two return springs are fixedly connected to the inner walls of the two rectangular holes.
[0009] The above-mentioned component achieves the effects that: by arranging the limiting device, first, the compression spring is placed at the position close to the circular groove of the concave plate, so that the compression spring is located between the two clamping plates, at this time, the self-locking motor is started, so that the self-locking motor drives the winding rod to rotate, so that the winding rod winds the two ropes by rotating, so that the two ropes drive the two sliding blocks to move oppositely along the interiors of the two rectangular holes respectively, so that the two sliding blocks drive the two clamping plates to move oppositely, when the two clamping plates oppositely move to the positions of simultaneously pressing the surfaces of the compression spring, the compression spring is fixed at the position corresponding to the measuring head, the rapid positioning of the compression spring is achieved, the position deviation of the compression spring placed on the detection table is reduced, the deviation between the compression spring and the measuring area of the upper measuring head is avoided, the normal detection of the inner diameter of the compression spring is affected, and the positioning and detection efficiency of the compression spring is improved.
[0010] Preferably, the two clamping plates are fixedly connected with rubber pads on one side, and the surfaces of the two rubber pads are provided with a plurality of protrusions.
[0011] The above-mentioned component achieves the effects that: by arranging the rubber pads, the rubber pads can increase the adhesion of the clamping plates to the surfaces of the compression spring, and improve the fixing effect of the clamping plates on the compression spring.
[0012] Preferably, the two clamping plates are fixedly connected with support plates on one side, and the surfaces of the two support plates are attached to the surface of the concave plate.
[0013] The above-mentioned component achieves the effects that: by arranging the support plates, the support plates can be attached to the surface of the concave plate and assist in supporting the clamping plates, so as to reduce the inclination of the clamping plates when pressing the surfaces of the compression spring.
[0014] Preferably, the winding rod is fixedly connected with a baffle at one end away from the self-locking motor, and the surface size and shape of the baffle are matched with the size and shape of the inner wall of the circular groove.
[0015] The effect achieved by the above component is that the baffle can intercept the compression spring, reducing the situation that one end of the compression spring is clamped into the circular groove when the compression spring is placed on the concave plate.
[0016] Preferably, a plurality of clamping grooves are symmetrically formed on one side of the concave plate, two clamping blocks are slidably connected with the inner walls of the clamping grooves, and arc-shaped plates are fixedly connected with one sides of the two clamping blocks.
[0017] The effect achieved by the above component is that the arc-shaped plates can be manually moved to drive the clamping blocks to be clamped into any clamping groove for fixation, so that the two arc-shaped plates can assist in limiting the other two directions of the compression spring, further improving the positioning efficiency and stability of the compression spring.
[0018] Preferably, the connecting device comprises a rectangular frame fixedly connected with the detection table, the surface of the concave plate is slidably connected with the inner wall of the rectangular frame, a circular through hole is formed on one side of the concave plate, a guide rail is fixedly connected with one side of the rectangular frame, an electric telescopic rod is fixedly connected with one side of the rectangular frame, an output end of the electric telescopic rod is fixedly connected with a connecting rod, the surface of the connecting rod is slidably connected with the inner wall of the guide rail, an insertion rod is fixedly connected with one side of the connecting rod close to the rectangular frame, the surface of the insertion rod is slidably connected with the inner wall of the rectangular frame, and the surface size and shape of the insertion rod are matched with the size and shape of the inner wall of the circular through hole.
[0019] The effect achieved by the above component is that the connecting device is first manually moved, and when the concave plate is moved to a position completely inserted into the rectangular frame, the electric telescopic rod is started to drive the connecting rod to move towards the rectangular frame, so that the connecting rod drives the insertion rod to move towards the rectangular frame, and when the insertion rod is moved to a position completely inserted into the rectangular frame and the circular through hole, the insertion rod enters the circular through hole and the rectangular frame to fix the position of the concave plate, thereby achieving quick assembly between the limiting device and the detection table, and the limiting device can be conveniently disassembled subsequently, improving the use flexibility and convenience of later maintenance of the limiting device.
[0020] Preferably, a reinforcing block is fixedly connected with one side of the rectangular frame, and the reinforcing block is fixedly connected with the detection table.
[0021] The effect achieved by the above component is that the reinforcing block can reinforce the connection between the rectangular frame and the detection table, reducing the situation that the rectangular frame is separated from the detection table during use.
[0022] Compared with the prior art, the utility model has the advantages and positive effects that:
[0023] In the utility model, the placement position of the compression spring can be quickly positioned through the limiting device, the position deviation of the compression spring on the detection table is reduced, the measuring head above the compression spring cannot smoothly enter the inside of the compression spring, the normal detection of the inside diameter of the compression spring is affected, the positioning and detection efficiency of the compression spring are improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0025] Figure 2 It is a partial structure schematic view of the utility model clamping plate;
[0026] Figure 3 It is a partial structure schematic view of the utility model arc plate;
[0027] Figure 4 It is a partial structure schematic view of the utility model rectangular frame.
[0028] Legend: 1, body; 2, button; 3, controller; 4, transmission column; 5, measuring head; 6, detection table; 7, limiting device; 71, concave plate; 72, rectangular hole; 73, round groove; 74, circular hole; 75, clamping groove; 76, clamping block; 77, arc plate; 78, self-locking motor; 79, winding rod; 710, baffle; 711, sliding block; 712, clamping plate; 713, rope; 714, return spring; 715, rubber pad; 716, support plate; 8, connecting device; 81, rectangular frame; 82, guide rail; 83, electric telescopic rod; 84, connecting rod; 85, plug rod; 86, reinforcing block; 87, round through hole. DETAILED DESCRIPTION
[0029] Referring to Figures 1-4 The embodiment discloses a detection device for the inside diameter of a compression spring for vehicles, including body 1, the side of body 1 is provided with button 2, the side of body 1 is provided with controller 3, the side of body 1 is provided with transmission column 4, the side of transmission column 4 is provided with measuring head 5, the side of body 1 is provided with detection table 6, the side of detection table 6 is provided with limiting device 7 for fixing and quickly positioning multiple different size compression springs, limiting device 7 includes concave plate 71, connecting device 8 is arranged between concave plate 71 and detection table 6, first, the compression spring is placed on detection table 6, then measuring head 5 is moved by transmission column 4, immediately measuring head 5 moves to the inside of compression spring and detects its inside diameter.
[0030] Referring to Figure 2 And Figure 3As shown in FIG. 1, the embodiment disclosed by the present application is a quick positioning device for compression spring, which comprises a concave plate 71, two clamping plates 712, a self-locking motor 78, a winding rod 79, two ropes 713, two return springs 714 and two rubber pads 715. The concave plate 71 is provided with a circular groove 73 on one side, and two rectangular holes 72 are symmetrically provided on one side of the concave plate 71. The inner wall of the rectangular hole 72 is cross-shaped in cross-section. The inner wall of the circular groove 73 is provided with a circular hole 74. The two rectangular holes 72 are both slidingly connected with sliding blocks 711. The surface of the sliding block 711 is cross-shaped. The two clamping plates 712 are both fixedly connected with one side of the sliding block 711. The concave plate 71 is fixedly connected with the self-locking motor 78 on one side close to the circular hole 74. The output end of the self-locking motor 78 is fixedly connected with the winding rod 79. The surface of the winding rod 79 is rotatably connected with the inner wall of the circular hole 74. The winding rod 79 is located inside the circular groove 73. The two sliding blocks 711 are both fixedly connected with ropes 713. The two ropes 713 are both arranged inside the two rectangular holes 72 and the circular groove 73. The other ends of the two ropes 713 are both fixedly connected with the winding rod 79. The two sliding blocks 711 are both fixedly connected with return springs 714. The other ends of the two return springs 714 are both fixedly connected with the inner wall of the two rectangular holes 72. The two return springs 714 are both sleeved on the surface of the two ropes 713. By arranging the limiting device 7, first, the compression spring is placed on the concave plate 71 close to the circular groove 73, so that the compression spring is located between the two clamping plates 712. At this time, the self-locking motor 78 is started, so that the self-locking motor 78 drives the winding rod 79 to rotate, so that the winding rod 79 winds the two ropes 713 by rotating at the same time, so that the two ropes 713 drive the two sliding blocks 711 to move oppositely along the inside of the rectangular hole 72 at the same time, so that the two sliding blocks 711 drive the two clamping plates 712 to move oppositely. When the two clamping plates 712 oppositely move to the position of simultaneously extruding the surface of the compression spring, the compression spring is fixed at the position corresponding to the measuring head 5, so as to achieve the quick positioning of the compression spring, reduce the position deviation of the compression spring placed on the detection table 6, avoid the deviation between the compression spring and the measuring area of the upper measuring head 5, and improve the positioning and detection efficiency of the compression spring.
[0031] Referring to Figure 2 and Figure 3 As shown in FIG. 1, the embodiment disclosed by the present application is a quick positioning device for compression spring, which comprises a concave plate 71, two clamping plates 712, a self-locking motor 78, a winding rod 79, two ropes 713, two return springs 714 and two rubber pads 715. The concave plate 71 is provided with a circular groove 73 on one side, and two rectangular holes 72 are symmetrically provided on one side of the concave plate 71. The inner wall of the rectangular hole 72 is cross-shaped in cross-section. The inner wall of the circular groove 73 is provided with a circular hole 74. The two rectangular holes 72 are both slidingly connected with sliding blocks 711. The surface of the sliding block 711 is cross-shaped. The two clamping plates 712 are both fixedly connected with one side of the sliding block 711. The concave plate 71 is fixedly connected with the self-locking motor 78 on one side close to the circular hole 74. The output end of the self-locking motor 78 is fixedly connected with the winding rod 79. The surface of the winding rod 79 is rotatably connected with the inner wall of the circular hole 74. The winding rod 79 is located inside the circular groove 73. The two sliding blocks 711 are both fixedly connected with ropes 713. The two ropes 713 are both arranged inside the two rectangular holes 72 and the circular groove 73. The other ends of the two ropes 713 are both fixedly connected with the winding rod 79. The two sliding blocks 711 are both fixedly connected with return springs 714. The other ends of the two return springs 714 are both fixedly connected with the inner wall of the two rectangular holes 72. The two return springs 714 are both sleeved on the surface of the two ropes 713. By arranging the limiting device 7, first, the compression spring is placed on the concave plate 71 close to the circular groove 73, so that the compression spring is located between the two clamping plates 712. At this time, the self-locking motor 78 is started, so that the self-locking motor 78 drives the winding rod 79 to rotate, so that the winding rod 79 winds the two ropes 713 by rotating at the same time, so that the two ropes 713 drive the two sliding blocks 711 to move oppositely along the inside of the rectangular hole 72 at the same time, so that the two sliding blocks 711 drive the two clamping plates 712 to move oppositely. When the two clamping plates 712 oppositely move to the position of simultaneously extruding the surface of the compression spring, the compression spring is fixed at the position corresponding to the measuring head 5, so as to achieve the quick positioning of the compression spring, reduce the position deviation of the compression spring placed on the detection table 6, avoid the deviation between the compression spring and the measuring area of the upper measuring head 5, and improve the positioning and detection efficiency of the compression spring.
[0032] Referring to Figure 2 andFigure 3 As shown, the embodiment discloses that one end of the winding rod 79 is fixedly connected with a baffle 710 away from the self-locking motor 78, the surface size and shape of the baffle 710 are matched with the inner wall size and shape of the circular groove 73, by setting the baffle 710, the baffle 710 can intercept the compression spring, reduce the situation that one end of the compression spring is clamped into the inside of the circular groove 73 when the compression spring is placed on the concave plate 71, a plurality of clamping grooves 75 are symmetrically formed on one side of the concave plate 71, two clamping blocks 76 are slidably connected with the inner walls of the clamping grooves 75, arc-shaped plates 77 are fixedly connected with one side of each of the two clamping blocks 76, by setting the arc-shaped plates 77, personnel can manually move the arc-shaped plates 77 to drive the clamping blocks 76 to be clamped into any clamping groove 75 for fixation, so that the two arc-shaped plates 77 can assist in limiting the other two directions of the compression spring, further improving the positioning efficiency and stability of the compression spring.
[0033] Referring to Figure 3 and Figure 4 As shown, the embodiment discloses that the connecting device 8 includes a rectangular frame 81, the rectangular frame 81 is fixedly connected with the detection table 6, the surface of the concave plate 71 is slidably connected with the inner wall of the rectangular frame 81, a circular through hole 87 is formed on one side of the concave plate 71, a guide rail 82 is fixedly connected with one side of the rectangular frame 81, an electric telescopic rod 83 is fixedly connected with one side of the rectangular frame 81, a connecting rod 84 is fixedly connected with the output end of the electric telescopic rod 83, the surface of the connecting rod 84 is slidably connected with the inner wall of the guide rail 82, a plug rod 85 is fixedly connected with one side of the connecting rod 84 close to the rectangular frame 81, the surface of the plug rod 85 is slidably connected with the inner wall of the rectangular frame 81, the surface size and shape of the plug rod 85 are matched with the inner wall size and shape of the circular through hole 87, by setting the connecting device 8, first manually move the concave plate 71, start the electric telescopic rod 83 when the concave plate 71 moves to the position of being completely inserted into the inside of the rectangular frame 81, so that the electric telescopic rod 83 drives the connecting rod 84 to move towards the direction close to the rectangular frame 81, so that the connecting rod 84 drives the plug rod 85 to move towards the direction close to the rectangular frame 81, when the plug rod 85 moves to the position of being completely inserted into the inside of the rectangular frame 81 and the circular through hole 87, the plug rod 85 enters the inside of the circular through hole 87 and the rectangular frame 81 to fix the position of the concave plate 71, thereby achieving the quick assembly between the limiting device 7 and the detection table 6, while the limiting device 7 can be conveniently disassembled subsequently, improving the use flexibility and the convenience of later maintenance of the limiting device 7, one side of the rectangular frame 81 is fixedly connected with a reinforcing block 86, the reinforcing block 86 is fixedly connected with the detection table 6, by setting the reinforcing block 86, the reinforcing block 86 can reinforce the connection between the rectangular frame 81 and the detection table 6, reducing the situation that the rectangular frame 81 is separated from the detection table 6 during use.
[0034] Working principle: first manually move the concave plate 71, when the concave plate 71 is moved to the fully inserted rectangular frame 81 inside the position to start the electric telescopic rod 83, so that the electric telescopic rod 83 drives the connecting rod 84 to move to the direction close to the rectangular frame 81, so that the connecting rod 84 drives the plug rod 85 to move to the direction close to the rectangular frame 81, when the plug rod 85 moves to the fully inserted rectangular frame 81 and the circular through hole 87 inside the position, so that the plug rod 85 enters the circular through hole 87 and the rectangular frame 81 inside the position fixing of the concave plate 71, to achieve the quick assembly between the limiting device 7 and the detection table 6, at this time the compression spring is placed in the position close to the circular groove 73 of the concave plate 71, so that the compression spring is located between the two clamping plates 712, at this time the self-locking motor 78 is started, so that the self-locking motor 78 drives the winding rod 79 to rotate, so that the winding rod 79 rotates while winding the two ropes 713, so that the two ropes 713 drive the two sliders 711 to move oppositely along the inside of the rectangular hole 72 respectively, so that the two sliders 711 drive the two clamping plates 712 to move oppositely, when the two clamping plates 712 oppositely move to the position of simultaneously extruding the surface of the compression spring, so that the compression spring is fixed at the position corresponding to the measuring head 5, achieving the quick positioning of the compression spring, at this time the transmission column 4 is started through the button 2 to drive the measuring head 5 to move, and then the measuring head 5 moves to the inside of the compression spring and detects the inner diameter thereof, and then the detection data is displayed on the display screen of the controller 3.
[0035] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made in accordance with the technical essence of the present application without departing from the technical solution content of the present application shall fall within the protection scope of the present application. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
Claims
1. A device for detecting the internal diameter of a compression spring for vehicles, comprising a body (1), characterized in that: The body (1) is provided with a button (2) on one side, the body (1) is provided with a controller (3) on one side, the body (1) is provided with a transmission column (4) on one side, the transmission column (4) is provided with a measuring head (5) on one side, the body (1) is provided with a detection table (6) on one side, the detection table (6) is provided with a limiting device (7) for fixing and quickly positioning a plurality of different size compression springs on one side, the limiting device (7) comprises a concave plate (71), and the concave plate (71) is provided with a connecting device (8) between the detection table (6).
2. The device for detecting the inner diameter of a compression spring for a vehicle according to claim 1, characterized in that: The concave plate (71) is provided with a circular groove (73) on one side, two rectangular holes (72) are provided on the side of the concave plate (71) in a symmetrical manner, the inner wall of the rectangular hole (72) is in cross shape, the inner wall of the circular groove (73) is provided with a circular hole (74), the inner wall of the two rectangular holes (72) is slidably connected with a sliding block (711), the surface of the sliding block (711) is in cross shape, the sliding block (711) is fixedly connected with a clamping plate (712) on one side, the concave plate (71) is fixedly connected with a self-locking motor (78) on one side close to the circular hole (74), the output end of the self-locking motor (78) is fixedly connected with a winding rod (79), the surface of the winding rod (79) is rotatably connected with the inner wall of the circular hole (74), the winding rod (79) is located in the circular groove (73), the two sliding blocks (711) are fixedly connected with a rope (713) on one side, the two ropes (713) are arranged in the two rectangular holes (72) and the circular groove (73) respectively, the other ends of the two ropes (713) are fixedly connected with the winding rod (79), the two sliding blocks (711) are fixedly connected with a return spring (714) on one side, the other ends of the two return springs (714) are fixedly connected with the inner wall of the two rectangular holes (72) respectively, and the two return springs (714) are sleeved on the surfaces of the two ropes (713) respectively.
3. The device for detecting the inner diameter of a compression spring for a vehicle according to claim 2, characterized in that: The two clamping plates (712) are fixedly connected with rubber pads (715) on one side, and the surfaces of the two rubber pads (715) are provided with a plurality of protrusions.
4. The device for detecting the inner diameter of a compression spring for a vehicle according to claim 2, characterized in that: The two clamping plates (712) are fixedly connected with support plates (716) on one side, and the surfaces of the two support plates (716) are attached to the surface of the concave plate (71).
5. The device for detecting the inner diameter of a compression spring for a vehicle according to claim 2, characterized in that: The winding rod (79) is fixedly connected with a baffle (710) at the end away from the self-locking motor (78), and the surface of the baffle (710) is adapted in size and shape to the inner wall of the circular groove (73).
6. The device for detecting the inner diameter of a compression spring for a vehicle according to claim 2, characterized in that: A plurality of clamping grooves (75) are provided on one side of the concave plate (71) in a symmetrical manner, two clamping blocks (76) are slidably connected in the inner walls of the clamping grooves (75), and the clamping blocks (76) are fixedly connected with arc-shaped plates (77) on one side.
7. The apparatus of claim 1 wherein: The connecting device (8) comprises a rectangular frame (81), the rectangular frame (81) is fixedly connected with the detection table (6), the surface of the concave plate (71) is slidably connected with the inner wall of the rectangular frame (81), one side of the concave plate (71) is provided with a round through hole (87), one side of the rectangular frame (81) is fixedly connected with a guide rail (82), one side of the rectangular frame (81) is fixedly connected with an electric telescopic rod (83), the output end of the electric telescopic rod (83) is fixedly connected with a connecting rod (84), the surface of the connecting rod (84) is slidably connected with the inner wall of the guide rail (82), one side of the connecting rod (84) close to the rectangular frame (81) is fixedly connected with a plug rod (85), the surface of the plug rod (85) is slidably connected with the inner wall of the rectangular frame (81), and the surface size and shape of the plug rod (85) are matched with the inner wall size and shape of the round through hole (87).
8. The device for detecting the inner diameter of a compression spring for a vehicle according to claim 7, characterized in that: One side of the rectangular frame (81) is fixedly connected with a reinforcing block (86), and the reinforcing block (86) is fixedly connected with the detection table (6).