Two-way automobile pipeline air tightness inspection tool
By designing a dual-channel automotive pipeline airtightness testing fixture, and utilizing a motor and screw to adjust the spacing of the clamping plates, combined with a sealing ring and clamping mechanism, the problems of low efficiency and poor versatility of traditional testing methods are solved, achieving efficient and accurate pipeline airtightness testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-15
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional automotive pipeline air tightness testing is inefficient, susceptible to human error, and prone to misjudgment, making it difficult to meet the needs of modern production. Furthermore, conventional testing tooling has poor versatility, increasing equipment procurement and management costs.
Design a double-pass automotive pipeline air tightness testing fixture, including an adjustment mechanism, a limiting mechanism, a clamping mechanism, a sealing mechanism, and a testing component. The fixture uses a motor and a screw to adjust the spacing of the clamping plates, and combines a sealing ring and a clamping mechanism to achieve stable clamping and sealing of pipelines of different lengths. The air tightness is tested by a pressure pump.
It enables efficient and accurate airtightness testing of pipelines of different lengths, reduces human error, improves production efficiency, and lowers equipment costs.
Smart Images
Figure CN224051508U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile pipeline, specifically a double -way type automobile pipeline gas tightness inspection frock. BACKGROUND
[0002] In the field of automobile manufacturing, the gas tightness of automobile pipeline plays a decisive role in the safety and performance of the whole vehicle. The automobile braking system, fuel supply system and air conditioning system all rely on high-quality pipeline to transmit gas or liquid. Once the pipeline gas tightness is poor, the braking system may fail to brake, endangering the safety of driving; the fuel supply system may leak fuel, not only causing energy waste, but also easily causing fire; the air conditioning system will cause the refrigeration or heating effect to be greatly discounted, reducing the driving experience.
[0003] Traditional automobile pipeline gas tightness detection mostly adopts manual immersion type water pressure or air pressure detection method. Manual immersion type detection not only has low efficiency, but also is difficult to meet the production requirements of modern automobile production line with high speed and large scale, and the detection result is easily disturbed by human factors, leading to misjudgment. In addition, due to the difficulty in accurately positioning the leakage point, the rework repair process is extremely tedious, which seriously affects the production efficiency. At the same time, the conventional detection frock has poor universality, and is often only suitable for pipelines of specific specifications and shapes, so automobile manufacturers need to equip multiple detection frocks for different types of pipelines, greatly increasing the equipment procurement and management cost.
[0004] Therefore, the utility model provides a double -way type automobile pipeline gas tightness inspection frock. UTILITY MODEL CONTENTS
[0005] In order to make up for the deficiencies of the prior art and solve at least one problem raised in the background art, a double -way type automobile pipeline gas tightness inspection frock is provided.
[0006] The utility model discloses a double -way type automobile pipeline gas tightness inspection frock, including the bottom plate, the top of bottom plate is provided with the adjusting mechanism, the top of bottom plate is provided with the limiting mechanism, the top of fixed long board is provided with the clamping mechanism, the top of fixed long board is provided with the sealing mechanism, the top of fixed long board is provided with the clamping mechanism, the top of fixed long board is provided with the detection assembly, the adjusting mechanism includes the limiting shell, first motor and positive and negative screw rod, the limiting shell fixed mounting is at the top of bottom plate, the one side of limiting shell is fixed with first motor installation, the inner wall of limiting shell is rotatoryly installed with positive and negative screw rod, the one end of positive and negative screw rod is fixed with the output of first motor installation, the cooperation of limiting shell, first motor and positive and negative screw rod can realize the adjustment of the interval of two groups of moving blocks by driving positive and negative screw rod rotation, so that the clamping plate can clamp the pipeline of different lengths.
[0007] Preferably, the limiting mechanism comprises a moving block, a fixed long plate and a rectangular groove, the moving block is provided with two groups, the two groups of moving blocks are screw mounted on both sides of the surface of the positive and negative screw rod, the moving block is slidingly installed with the limiting shell, the top of the moving block is fixedly installed with the fixed long plate, and the top of the fixed long plate is provided with a rectangular groove. In this scheme, the cooperation of the moving block, the fixed long plate and the rectangular groove can make the clamping plate more stable when opening and closing, so that the clamping plate can be accurately aligned during each opening and closing process, and the detection safety is ensured.
[0008] Preferably, the clamping mechanism comprises a clamping plate, a rectangular frame, an L-shaped support, a motor, a connecting rod and a cylindrical block, the clamping plate is provided with two groups, the two groups of clamping plates are slidingly installed in the rectangular groove opened on the top of the fixed long plate, the rectangular frame is fixedly installed on one side of the two groups of clamping plates away from each other, the L-shaped support is fixedly installed on one side of the fixed long plate close to the rectangular frame, the top of the L-shaped support close to the rectangular frame is fixedly installed with the motor, the output end of the motor is fixedly installed with the connecting rod, and the two sides of the connecting rod away from the motor are fixedly installed with the cylindrical block. The cylindrical block is located in the inner wall of the rectangular frame and is slidingly installed with the rectangular frame. In this scheme, the two groups of clamping plates can clamp the end of the pipeline, so that it can be stably detected, and the cooperation of the L-shaped support, the connecting rod and the cylindrical block can drive the rectangular frame to move by rotating, so that the clamping plates can approach each other to clamp the end of the pipeline.
[0009] Preferably, the sealing mechanism comprises an axle bracket, a sealing cover plate and a sealing ring, the axle bracket is fixedly installed on one side of one of the clamping plates, the inner wall of the axle bracket is rotatably installed with the sealing cover plate, and the side of the sealing cover plate close to the other clamping plate is fixedly installed with the sealing ring. In this scheme, the cooperation of the axle bracket and the sealing cover plate can seal the end of the pipeline to prevent leakage during testing, and the sealing ring can enhance the contact area between the sealing cover plate and the clamping plate to effectively prevent gas leakage.
[0010] Preferably, the clamping mechanism comprises an insert, an insert rod, a clamping block and a handle, the insert is fixedly installed on the side of the sealing cover plate away from the axle bracket, the insert rod is slidingly installed in the inner wall of the insert, the clamping block is provided with two groups, the two groups of clamping blocks are fixedly installed on the upper and lower sides of one end of the surface of the insert rod, and the end of the insert rod away from the clamping block is fixedly installed with the handle. The surface of one of the clamping plates away from the sealing cover plate is provided with a clamping groove matched with the insert rod and the clamping block, and the insert rod and the clamping block are movably clamped with one of the clamping plates. In this scheme, the cooperation of the insert, the insert rod, the clamping block and the handle can realize the quick clamping and dismounting of the sealing cover plate, and ensure that the sealing cover plate will not loosen during detection.
[0011] Preferably, the detection assembly comprises a pressure pump and a hose, the pressure pump is fixedly installed on one side of the clamping plate, the output end of the pressure pump is fixedly installed with the hose, and the end of the hose away from the pressure pump is fixedly installed with the sealing cover plate, and in the scheme, the pressure pump and the hose are used in cooperation to continuously supply gas to the pipeline, so that the gas pressure in the pipeline is increased, so that the user can judge whether it is leaked through the loss speed of the gas pressure.
[0012] The utility model discloses the beneficial effects are as follows:
[0013] 1. The utility model discloses a double -type automobile pipeline gas tightness detection frock, through the setting of limit casing, first motor and positive -negative screw rod, make limit casing, first motor and positive -negative screw rod's cooperation use can realize the adjustment two group mobile block's interval through the drive positive -negative screw rod rotation, make clamping plate can clamp the pipeline of different length.
[0014] 2. The utility model discloses a double -type automobile pipeline gas tightness detection frock, through the setting of mobile block, fixed long board and rectangular groove, make mobile block, fixed long board and rectangular groove's cooperation use can make clamping plate when opening and closing more stable, make clamping plate can accurately aim in every opening and closing process, guarantee detection security. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be further described below in combination with the drawings.
[0016] Figure 1 It is the front view of the utility model;
[0017] Figure 2 It is the plan view in the utility model;
[0018] Figure 3 It is Figure 1 The local enlarged view of A in it;
[0019] Figure 4 It is Figure 2 The local enlarged view of B in it;
[0020] Figure 5 It is Figure 2 The local enlarged view of C in it;
[0021] Figure 6 It is Figure 1 The local enlarged view of D in it.
[0022] LEGEND:
[0023] 1, bottom plate; 2, adjusting mechanism; 21, limit shell; 22, first motor; 23, positive and negative screw rod; 3, limit mechanism; 31, moving block; 32, fixed long plate; 33, rectangular groove; 4, clamping mechanism; 41, clamping plate; 42, rectangular frame; 43, L-shaped support; 44, motor; 45, connecting rod; 46, cylindrical block; 5, sealing mechanism; 51, shaft support; 52, sealing cover plate; 53, sealing ring; 6, clamping mechanism; 61, insert piece; 62, insert rod; 63, clamping block; 64, handle; 7, detection assembly; 71, pressure pump; 72, hose. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] Specific embodiments are given below.
[0026] As Figures 1 to 6As shown, the utility model discloses a double -way type automobile pipeline gas tightness inspection frock, including bottom plate 1, the top of bottom plate 1 is provided with adjusting mechanism 2, the top of bottom plate 1 is provided with limiting mechanism 3, the top of fixed long plate 32 is provided with clamping mechanism 4, the top of fixed long plate 32 is provided with sealing mechanism 5, the top of fixed long plate 32 is provided with clamping mechanism 6, the top of fixed long plate 32 is provided with detection assembly 7, adjusting mechanism 2 includes limiting shell 21, first motor 22 and positive and negative screw rod 23, limiting shell 21 fixed mounting is at the top of bottom plate 1, limiting shell 21's one side is fixedly installed with first motor 22, the inner wall of limiting shell 21 is rotatably installed with positive and negative screw rod 23, and one end of positive and negative screw rod 23 is fixedly installed with the output end of first motor 22, limiting mechanism 3 includes moving block 31, fixed long plate 32 and rectangular groove 33, moving block 31 is provided with two groups, and two groups of moving block 31 are screw -threaded and installed on the both sides of the surface of positive and negative screw rod 23, moving block 31 is slidably installed with limiting shell 21, the top of moving block 31 is fixedly installed with fixed long plate 32, and the top of fixed long plate 32 is provided with rectangular groove 33, clamping mechanism 4 includes clamping plate 41, rectangular frame 42, L-shaped support 43, motor 44, connecting rod 45 and cylindrical block 46, clamping plate 41 is provided with two groups, and two groups of clamping plate 41 are slidably installed in the rectangular groove 33 of the top of fixed long plate 32, rectangular frame 42 is fixedly installed on the side of two groups of clamping plate 41 and each other is close, L-shaped support 43 is fixedly installed on the side of fixed long plate 32 and close to rectangular frame 42, the side of L-shaped support 43 top and close to rectangular frame 42 is fixedly installed with motor 44, the output end of motor 44 is fixedly installed with connecting rod 45, the both sides of connecting rod 45 and away from motor 44 are fixedly installed with cylindrical block 46, and cylindrical block 46 is located in the inner wall of rectangular frame 42 and slidably installed with rectangular frame 42, sealing mechanism 5 includes shaft support 51, sealing cover plate 52 and sealing ring 53, shaft support 51 is fixedly installed on the side of one of clamping plate 41, the inner wall of shaft support 51 is rotatably installed with sealing cover plate 52, and the side of sealing cover plate 52 and close to another group of clamping plate 41 is fixedly installed with sealing ring 53, clamping mechanism 6 includes plug 61, plug rod 62, clamping block 63 and handle 64, plug 61 is fixedly installed on the side of sealing cover plate 52 and away from shaft support 51, plug rod 62 is slidably installed in the inner wall of plug 61, clamping block 63 is provided with two groups, and two groups of clamping block 63 are fixedly installed on the upper and lower sides of one end of the surface of plug rod 62, the end of plug rod 62 and away from clamping block 63 is fixedly installed with handle 64, and the surface of one of clamping plate 41 and away from sealing cover plate 52 of plug 61 is provided with clamping groove matched with plug rod 62 and clamping block 63, plug rod 62 and clamping block 63 are movably clamped with one of clamping plate 41, detection assembly 7 includes pressure pump 71 and hose 72, pressure pump 71 is fixedly installed on the side of clamping plate 41, the output end of pressure pump 71 is fixedly installed with hose 72, and the end of hose 72 and away from pressure pump 71 is fixedly installed with sealing cover plate 52.
[0027] As Figures 1 to 6 shown, the cooperation of the limiting shell 21, the first motor 22 and the positive and negative screw rod 23 can realize the adjustment of the distance between the two groups of moving blocks 31 by driving the positive and negative screw rod 23 to rotate, so that the clamping plate 41 can clamp the pipelines of different lengths, the cooperation of the moving block 31, the fixed long plate 32 and the rectangular groove 33 can make the clamping plate 41 more stable when opening and closing, so that the clamping plate 41 can be accurately aligned in each opening and closing process, ensuring the safety of detection, the two groups of clamping plates 41 can clamp the end of the pipeline, so that it can be stably detected, the cooperation of the L-shaped support 43, the connecting rod 45 and the cylindrical block 46 can drive the rectangular frame 42 to move by rotating, so that the clamping plate 41 can be close to each other to clamp the end of the pipeline, the cooperation of the shaft support 51 and the sealing cover plate 52 can seal the end of the pipeline to prevent leakage during testing, and the sealing ring 53 can enhance the contact area between the sealing cover plate 52 and the clamping plate 41 to effectively prevent gas leakage, the cooperation of the plug 61, the plug rod 62, the clamping block 63 and the handle 64 can realize the quick clamping and disassembly of the sealing cover plate 52, ensuring that the sealing cover plate 52 will not loosen during detection, and the cooperation of the pressure pump 71 and the hose 72 can continuously supply gas to the pipeline to increase the internal pressure of the pipeline, so that the user can judge whether it is leaking by the loss rate of the air pressure.
[0028] Working principle: when working, first place the bottom plate 1 on a flat surface, then place the two ends of the automobile pipeline on the inner side of the two groups of clamping plates 41, then start the motor 44 to drive the connecting rod 45 to rotate, the connecting rod 45 rotates and drives the cylindrical block 46 to move, the cylindrical block 46 moves and slides in the inner wall of the rectangular frame 42 and drives the rectangular frame 42 to move, with the continuous movement of the rectangular frame 42, the two groups of clamping plates 41 move towards the center at the same time, until the two ends of the automobile pipeline are clamped, then rotate the sealing cover plate 52 to make it close to the clamping plate 41, then the user holds the handle 64, and makes the plug rod 62 and the clamping block 63 pass through the plug 61 to the inner wall of the clamping plate 41, then rotates the handle 64 to ninety degrees, so that the clamping block 63 can clamp the sealing cover plate 52 and the clamping plate 41, to prevent gas leakage, after sealing, start the pressure pump 71 to inflate the sealing cover plate 52, when the air pressure in the automobile pipeline reaches the appropriate pressure, stop inflating and start detecting, if there is a leakage in the pipeline, the internal pressure will continue to decrease, the user can clearly observe the change of the internal pressure of the pipeline through the air pressure monitor, when the pipeline is too long or too short, start the first motor 22 to drive the positive and negative screw rod 23 to rotate, the rotation of the positive and negative screw rod 23 drives the two groups of moving blocks 31 to move towards the center, the moving blocks 31 move and drive the clamping plate 41 to move, so that the clamping plate 41 can adapt to pipelines of different lengths.
[0029] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A double-pass type automobile pipeline air tightness inspection tool, comprising a bottom plate (1); characterized in that: The top of the bottom plate (1) is provided with an adjusting mechanism (2), and the top of the bottom plate (1) is provided with a limiting mechanism (3); The adjusting mechanism (2) comprises a limiting shell (21), a first motor (22) and a positive and negative screw rod (23), the limiting shell (21) is fixedly installed on the top of the bottom plate (1), one side of the limiting shell (21) is fixedly installed with the first motor (22), and the inner wall of the limiting shell (21) is rotatably installed with the positive and negative screw rod (23), one end of the positive and negative screw rod (23) is fixedly installed with the output end of the first motor (22); The limiting mechanism (3) comprises a moving block (31), a fixed long plate (32) and a rectangular groove (33), two groups of the moving block (31) are threadedly installed on the two sides of the surface of the positive and negative screw rod (23), the moving block (31) is slidably installed with the limiting shell (21), the top of the moving block (31) is fixedly installed with the fixed long plate (32), and the top of the fixed long plate (32) is provided with the rectangular groove (33).
2. The double-pass type automobile pipeline air tightness inspection tool according to claim 1, characterized in that: The top of the fixed long plate (32) is provided with a clamping mechanism (4), and the top of the fixed long plate (32) is provided with a sealing mechanism (5).
3. The double-pass type automobile pipeline air tightness inspection tool according to claim 2, characterized in that: The top of the fixed long plate (32) is provided with a clamping mechanism (4), and the top of the fixed long plate (32) is provided with a sealing mechanism (5).
4. The double-pass type automobile pipeline air tightness inspection tool according to claim 3, characterized in that: The clamping mechanism (4) comprises a clamping plate (41), a rectangular frame (42), an L-shaped support (43), a motor (44), a connecting rod (45) and a cylindrical block (46), two groups of the clamping plate (41) are slidably installed in the rectangular groove (33) opened in the top of the fixed long plate (32), the rectangular frame (42) is fixedly installed on one side of the two groups of the clamping plate (41) close to each other, the L-shaped support (43) is fixedly installed on one side of the fixed long plate (32) close to the rectangular frame (42), the top of the L-shaped support (43) close to one side of the rectangular frame (42) is fixedly installed with the motor (44), the output end of the motor (44) is fixedly installed with the connecting rod (45), the two sides of the connecting rod (45) away from the motor (44) are fixedly installed with the cylindrical block (46), and the cylindrical block (46) is located in the inner wall of the rectangular frame (42) and is slidably installed with the rectangular frame (42).
5. The double-pass type automobile pipeline air tightness inspection tool according to claim 4, characterized in that: The sealing mechanism (5) comprises an axle bracket (51), a sealing cover plate (52) and a sealing ring (53), the axle bracket (51) is fixedly installed on one side of one group of the clamping plate (41), the inner wall of the axle bracket (51) is rotatably installed with the sealing cover plate (52), and the sealing cover plate (52) close to one side of the other group of the clamping plate (41) is fixedly installed with the sealing ring (53).
6. The double-pass type automobile pipeline air tightness inspection tool according to claim 5, characterized in that: The clamping mechanism (6) includes an insert piece (61), an insert rod (62), clamping blocks (63) and a handle (64), the insert piece (61) is fixedly installed on the side of the sealing cover plate (52) away from the shaft support (51), the insert rod (62) is slidingly installed on the inner wall of the insert piece (61), the clamping blocks (63) are provided in two groups, the two groups of clamping blocks (63) are fixedly installed on the upper and lower sides of one end of the surface of the insert rod (62), one end of the insert rod (62) away from the clamping blocks (63) is fixedly installed with the handle (64), the insert piece (61) and the surface of one group of clamping plates (41) away from the sealing cover plate (52) are each provided with a clamping groove matched with the insert rod (62) and the clamping blocks (63), and the insert rod (62) and the clamping blocks (63) are movably clamped with one group of clamping plates (41).
7. The double-pass type automobile pipeline air tightness inspection tool according to claim 6, characterized in that: The detection assembly (7) includes a pressure pump (71) and a hose (72), the pressure pump (71) is fixedly installed on one side of the clamping plate (41), the output end of the pressure pump (71) is fixedly installed with the hose (72), and one end of the hose (72) away from the pressure pump (71) is fixedly installed with the sealing cover plate (52).