Air tightness testing tool

Abstract

The utility model discloses an airtightness detection tool, wherein the head support mechanism comprises a head fixing component and a first position adjustment component, wherein the head fixing component is arranged on the first position adjustment component, and is used to adjust the position of the head fixing component through the first position adjustment component; the middle support mechanism comprises a plurality of second position adjustment components arranged in parallel, and the second position adjustment component is provided with a pipe support component for supporting the middle of the exhaust pipe; the tail support mechanism is arranged on the top surface of the detection platform and is located on the side of the middle support mechanism away from the head support mechanism, and comprises a third position adjustment component; the third position adjustment component is provided with a tail fixing component for supporting one end of the exhaust pipe away from the head support mechanism. The airtightness detection tool of the utility model has the advantages of simple and convenient supporting, clamping and fixing work, better working efficiency, and can also be applied to exhaust pipes of different models, and has strong practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of detection tooling, in particular to an airtightness detection tooling. Background Art

[0002] my country's automobile industry is in a state of rapid development. The quality of automobile parts and components and the level of production efficiency have become key factors affecting the development of the automobile industry.

[0003] The exhaust pipe of a car is an important component of the car. The air tightness of the exhaust pipe will affect the performance of the car and the comfort of riding. At present, when the air tightness of the exhaust pipe is tested and fixed, it is generally supported by a U-shaped support frame and then fixed in position. However, different types of exhaust pipes have differences in length, diameter, curvature, etc. General testing tools can only support and fix a single type of exhaust pipe. When different types of exhaust pipes need to be tested and fixed, different brackets need to be replaced, which is inefficient and has poor practicality. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide an airtightness detection tool.

[0005] The utility model provides an air tightness detection tool, comprising a detection platform, on the top surface of which a head support mechanism, a middle support mechanism and a tail support mechanism are sequentially arranged along the length direction thereof, for supporting and fixing the head, middle and tail of the exhaust pipe respectively; wherein,

[0006] The head support mechanism comprises a head fixing component and a first position adjustment component, wherein the head fixing component is arranged on the first position adjustment component and is used to adjust the position of the head fixing component through the first position adjustment component;

[0007] The middle support mechanism comprises a plurality of second position adjustment components arranged in parallel, and the second position adjustment components are provided with a pipe support component for supporting the middle part of the exhaust pipe;

[0008] The tail support mechanism is arranged on the top surface of the detection platform and is located on the side of the middle support mechanism away from the head support mechanism, and includes a third position adjustment component; the third position adjustment component is provided with a tail fixing component for supporting one end of the exhaust pipe away from the head support mechanism.

[0009] Preferably, the first position adjustment component includes a first linear module symmetrically fixed on the top surface of the detection platform, and the first linear module is arranged along the length direction of the detection platform; a second linear module is fixedly arranged between the two sliders of the first linear modules, and the second linear module is arranged perpendicular to the first linear module.

[0010] Preferably, the head fixing assembly includes a first mounting seat fixedly arranged on the top surface of the slider of the second linear module, a first mounting plate is arranged above the first mounting seat through a connecting assembly, and a first U-shaped plate is fixedly arranged on the top surface of the first mounting plate; a sealed air inlet is embedded and fixedly arranged on the plate surface of the first U-shaped plate on the side away from its opening direction, which is used to inflate the interior of the exhaust pipe.

[0011] Preferably, the second position adjustment component comprises a third linear module fixedly arranged on the top surface of the detection platform, and the third linear module is arranged parallel to the second linear module.

[0012] Preferably, the pipe support assembly includes a second mounting seat fixedly arranged on the top surface of the slider of the third linear module, and a second mounting plate is arranged above the second mounting seat through a connecting assembly; a fixed plate is fixedly arranged on one side of the top surface of the second mounting plate, and a sliding plate is slidably arranged on the top surface of the second mounting plate on one side of the fixed plate, and the sliding plate is arranged parallel to the fixed plate; a supporting plate is fixedly arranged on the top surface of the second mounting plate on the side of the sliding plate away from the fixed plate, and a telescopic rod is symmetrically fixedly arranged between the support plate and the sliding plate, and a spring is sleeved on the outer side of the telescopic rod.

[0013] Preferably, the third position adjustment component comprises a fourth linear module fixedly arranged on the top surface of the detection platform, and the fourth linear module is arranged parallel to the third linear module.

[0014] Preferably, the tail fixing assembly includes a third mounting seat fixedly arranged on the top surface of the slider of the fourth linear module, a third mounting plate is arranged above the third mounting seat through a connecting assembly, and a second U-shaped plate is fixedly arranged on the top surface of the third mounting plate; a sealing plug is fixedly arranged on the inner side of the side plate of the second U-shaped plate away from its opening direction, which is used to seal the tail port of the exhaust pipe.

[0015] Preferably, the connecting assembly includes threaded holes arranged on the top surfaces of the first mounting seat, the second mounting seat and the third mounting seat, and studs are respectively arranged corresponding to the three threaded holes, the bottom ends of the studs are threaded into the corresponding threaded holes, and the top ends of the studs are rotatably connected to the bottom surfaces of the corresponding first mounting plate, the second mounting plate and the third mounting plate through bearings.

[0016] Preferably, the pipe support assembly also includes a limit assembly, which includes L-shaped limit plates symmetrically arranged on both side surfaces of the sliding plate, one side of the L-shaped limit plate can be rotatably arranged on the side surface of the sliding plate through a rotating shaft, and the other side can be hooked on the outer side surface of the support plate to achieve position limitation of the sliding plate.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The airtightness detection tooling of the present invention can realize the segmented support and fixation of the head, middle and tail of the exhaust pipe by means of the head support mechanism, the middle support mechanism and the tail support mechanism; wherein, the head fixing component in the head support mechanism can be adjusted in position by the first position adjustment component, the pipe support component in the middle support mechanism can be adjusted in position by the second position adjustment component, and the tail fixing component in the tail support mechanism can be adjusted in position by the third position adjustment component, thereby realizing the segmented support and fixation of the head, middle and tail of exhaust pipes of different models, and the utility model is highly practical; in addition, the first mounting plate, the second mounting plate and the third mounting plate in the head fixing component, the pipe supporting component and the tail fixing component can respectively rotate relative to the first mounting seat, the second mounting seat and the third mounting seat, and can support and fix according to the curvature of the pipe body of the exhaust pipe of different models, and the supporting and fixing effect is good, and the operation is convenient and simple, and the work efficiency is high.

[0019] It should be understood that the contents described in the summary of the utility model are not intended to limit the key or important features of the embodiments of the utility model, nor are they intended to limit the scope of the utility model.

[0020] Other features of the present invention will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0022] Figure 1 A schematic diagram of the structure of a gas-tightness detection tool provided in an embodiment of the utility model from a top view;

[0023] Figure 2 is a schematic structural diagram of a head fixing assembly in a front view;

[0024] Figure 3 It is a structural schematic diagram of the front view of the pipeline support assembly;

[0025] Figure 4 It is a structural schematic diagram of the front view of the tail fixing assembly;

[0026] Figure 5 It is an enlarged structural schematic diagram of the structure at A;

[0027] Numbers in the figure: 1, detection platform; 2, first linear module; 3, second linear module; 4, head fixing assembly; 41, first mounting seat; 42, first mounting plate; 43, first U-shaped plate; 44, sealed air inlet;

[0028] 5. The third linear module;

[0029] 6. Pipe support assembly; 61. Second mounting seat; 62. Second mounting plate; 63. Fixed plate; 64. Sliding plate; 65. Support plate; 66. Telescopic rod; 67. Spring; 68. L-shaped limit plate; 69. Rotating shaft;

[0030] 7. The fourth linear module;

[0031] 8. Tail fixing assembly; 81. Third mounting seat; 82. Third mounting plate; 83. Second U-shaped plate; 84. Sealing plug;

[0032] 9. Connecting assembly; 91. Threaded hole; 92. Stud; 93. Bearing. DETAILED DESCRIPTION

[0033] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings.

[0034] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0035] Please refer to Figures 1 to 5 The embodiment of the utility model provides an airtightness detection tool, including a detection platform 1. The detection platform 1 is provided with a support frame installed on its bottom surface according to the use requirements, so as to improve the comfort of the staff when working. The support frame can be height-adjustable and suitable for staff of different heights;

[0036] The top surface of the detection platform 1 is provided with a head support mechanism, a middle support mechanism and a tail support mechanism in sequence along its length direction, which are used to support and fix the head, middle and tail of the exhaust pipe in sections, respectively, and can meet the support and fixation of exhaust pipes of different models, and has strong practicality; wherein,

[0037] The head support mechanism includes a head fixing assembly 4 and a first position adjustment assembly. The head fixing assembly 4 is used to support and fix the head of the exhaust pipe. The head fixing assembly 4 is arranged on the first position adjustment assembly and is used to adjust the position of the head fixing assembly 4 through the first position adjustment assembly.

[0038] In a preferred embodiment, the first position adjustment component includes a first linear module 2 symmetrically fixed on the top surface of the detection platform 1, and the first linear module 2 is arranged along the length direction of the detection platform 1; a second linear module 3 is fixedly arranged between the sliders of the two first linear modules 2, that is, the second linear module 3 is arranged perpendicular to the first linear module 2, and is used to drive the second linear module 3 and the structure installed on the second linear module 3 to perform linear movement through the linear movement of the sliders on the two first linear modules 2, thereby realizing the adjustment of the position of the head fixing component 4 in the transverse direction (along the "length direction of the detection platform" designated as the "transverse direction"), and then the head fixing component 4 is adjusted in the longitudinal position (along the "width direction of the detection platform" designated as the "longitudinal direction") through the slider on the second linear module 3, which can better adapt to the support and fixation of the head of different types of exhaust pipes.

[0039] In a preferred embodiment, the head fixing assembly 4 includes a first mounting seat 41 fixedly arranged on the top surface of the slider of the second linear module 3, a first mounting plate 42 is arranged above the first mounting seat 41 through a connecting assembly 9, and a first U-shaped plate 43 is fixedly arranged on the top surface of the first mounting plate 42; a sealed air inlet 44 is fixedly arranged embedded on the plate surface of the first U-shaped plate 43 away from the side of the opening direction thereof, and the outer end of the sealed air inlet 44 is connected to the air source device for inflating the inside of the exhaust pipe and then performing a sealing test on the exhaust pipe;

[0040] The sealed air inlet 44 is arranged at the end of the air outlet pipe of the air source equipment, and a sealing gasket is arranged on the sealed air inlet 44 to ensure that the exhaust pipe can be inflated in a sealed manner.

[0041] The middle support mechanism includes a plurality of second position adjustment components arranged in parallel, and the second position adjustment component is provided with a pipe support component 6 for supporting the middle part of the exhaust pipe, which can support and fix the pipe body of the exhaust pipe in sections;

[0042] In a preferred embodiment, the second position adjustment assembly includes a third linear module 5 fixedly disposed on the top surface of the detection platform 1, and the third linear module 5 is disposed parallel to the second linear module 3, and is used to adjust the position of the pipeline support assembly 6 in the longitudinal direction.

[0043] In a preferred embodiment, the pipe support assembly 6 includes a second mounting seat 61 fixedly arranged on the top surface of the slider of the third linear module 5, and a second mounting plate 62 is arranged above the second mounting seat 61 through a connecting assembly 9; a fixed plate 63 is fixedly arranged on one side of the top surface of the second mounting plate 62, and a sliding plate 64 is slidably arranged on the top surface of the second mounting plate 62 on one side of the fixed plate 63, and a support plate 65 is fixedly arranged on the top surface of the second mounting plate 62 on the side of the sliding plate 64 away from the fixed plate 63, and a telescopic rod 66 is symmetrically fixedly arranged between the support plate 65 and the sliding plate 64, and a spring 67 is sleeved on the outer side of the telescopic rod 66; one end of the spring 67 abuts on the plate surface of the sliding plate 64, and the other end abuts on the plate surface of the support plate 65, and the automatic return of the sliding plate 64 and the purpose of clamping the exhaust pipe between the sliding plate 64 and the fixed plate 63 are realized by its own elasticity;

[0044] The pipe support assembly 6 also includes a limiting assembly, which includes L-shaped limiting plates 68 symmetrically arranged on both side surfaces of the sliding plate 64. One side of the L-shaped limiting plate 68 can be rotatably arranged on the side surface of the sliding plate 64 through a rotating shaft 69, and the other side can be hooked on the outer side surface of the support plate 65, so as to realize the limitation of the position of the sliding plate 64, so that the exhaust pipe can be placed on the pipe support assembly 6 more conveniently.

[0045] Among them, the sliding plate 64, the fixed plate 63 and the supporting plate 65 are arranged parallel to each other; the sliding function of the sliding plate 64 can be achieved by opening a sliding groove on the plate surface of the second mounting plate 62, and a pulley is arranged on the bottom surface of the sliding plate 64 corresponding to the sliding groove. The pulley can be slidably embedded in the internal setting of the corresponding sliding groove to realize the sliding movement of the sliding plate 64 on the plate surface of the second mounting plate 62.

[0046] The tail support mechanism is arranged on the top surface of the detection platform 1 and is located on the side of the middle support mechanism away from the head support mechanism, and includes a third position adjustment component; the third position adjustment component is provided with a tail fixing component 8, which is used to support one end of the exhaust pipe away from the head support mechanism.

[0047] In a preferred embodiment, the third position adjustment component includes a fourth linear module 7 fixedly disposed on the top surface of the detection platform 1 , and the fourth linear module 7 is disposed parallel to the third linear module 5 .

[0048] In a preferred embodiment, the tail fixing component 8 includes a third mounting seat 81 fixedly arranged on the top surface of the slider of the fourth linear module 7, a third mounting plate 82 is arranged above the third mounting seat 81 through the connecting component 9, and a second U-shaped plate 83 is fixedly arranged on the top surface of the third mounting plate 82; a sealing plug 84 is fixedly arranged on the inner side of the side plate of the second U-shaped plate 83 away from its opening direction, which is used to seal the tail port of the exhaust pipe to prevent air leakage at the tail port and affect the detection result.

[0049] Among them, the first linear module 2, the second linear module 3, the third linear module 5 and the fourth linear module 7 are all linear modules with their own driving motors, which are used to drive the corresponding structural components on the sliders to perform linear motion.

[0050] Rubber pads are laid on the inner wall surfaces of the fixed plate 63 , the sliding plate 64 , the first U-shaped plate 43 and the second U-shaped plate 83 to protect the pipe wall of the exhaust pipe.

[0051] In a preferred embodiment, the connecting assembly 9 includes threaded holes 91 disposed on the top surfaces of the first mounting seat 41, the second mounting seat 61 and the third mounting seat 81, and studs 92 are disposed corresponding to the three threaded holes 91, respectively. The bottom ends of the studs 92 are threadedly screwed into the corresponding threaded holes 91, and the top ends of the studs 92 are rotatably connected to the bottom surfaces of the corresponding first mounting plate 42, the second mounting plate 62 and the third mounting plate 82 through bearings 93;

[0052] The bearing 93 can be fixedly arranged on the bottom surfaces of the first mounting plate 42, the second mounting plate 61 and the third mounting plate 81, and the top end of the stud 92 is fixedly connected to the inner ring transmission surface of the corresponding bearing 93, so that the first mounting plate 42, the second mounting plate 62 and the third mounting plate 82 can rotate relative to the corresponding stud 92.

[0053] Among them, not only can the height adjustment of the corresponding first mounting plate 42, second mounting plate 62 and third mounting plate 81 be achieved through the setting of the stud 92 structure, but the rotation of the first mounting plate 42, second mounting plate 62 and third mounting plate 82 can also be achieved through the setting of the bearing 93. The opening direction between the fixed plate 63 and the sliding plate 64 and the opening direction of the first U-shaped plate 43 and the second U-shaped plate 83 can be adjusted to make them more suitable for the curvature of the exhaust pipe and improve the supporting and fixing effect of the exhaust pipe.

[0054] It also includes a controller and a control panel. The control panel, the first linear module 2, the second linear module 3, the third linear module 5 and the fourth linear module 7 are all electrically connected to the controller. The data information such as the length, diameter and curvature of the exhaust pipes of different types are entered into the program in advance. Then, when testing a specific exhaust pipe, the settings for the exhaust pipe can be called up through the control panel, and the first linear module 2, the second linear module 3, the third linear module 5 and the fourth linear module 7 can be moved to the set positions, thereby reducing the steps and time of manual operation and improving the accuracy of the operation.

[0055] The working principle of the utility model is as follows: when supporting and fixing the exhaust pipe, the specific positions of the head fixing component 4, the pipe body supporting component 6 and the tail fixing component 8 are manually or automatically adjusted according to the data information such as the length, diameter and curvature of the exhaust pipe, and then the L-shaped limit plate 68 is hooked on the outer surface of the support plate 65. At this time, the spring 67 contracts, and then the exhaust pipe is placed on the first mounting plate 42, the second mounting plate 62 and the third mounting plate 82. During the placement, the directions of the first mounting plate 42, the second mounting plate 62 and the third mounting plate 82 can be adjusted. It is adapted to the curvature of the exhaust pipe to achieve a better supporting and fixing effect, and then the tail end of the exhaust pipe is sealed by a sealing plug 84, and the head is connected by a sealing air inlet 44, and then the L-shaped limiter 68 is rotated to the outside of the support plate 65, and the elastic force of the spring 67 is used to realize the function of clamping and fixing the tube body of the exhaust pipe by the sliding plate 64 and the fixing plate 63, and then the exhaust pipe is subjected to airtightness detection; the entire supporting, clamping and fixing work is simple and convenient, with better work efficiency, and can also be applied to exhaust pipes of different models, with strong practicality.

[0056] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0057] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0058] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An air tightness detection tool, characterized in that: It includes a detection platform, on the top surface of which a head support mechanism, a middle support mechanism and a tail support mechanism are sequentially arranged along the length direction thereof, for supporting and fixing the head, middle and tail of the exhaust pipe respectively; wherein, The head support mechanism comprises a head fixing component and a first position adjustment component, wherein the head fixing component is arranged on the first position adjustment component and is used to adjust the position of the head fixing component through the first position adjustment component; The middle support mechanism comprises a plurality of second position adjustment components arranged in parallel, and the second position adjustment components are provided with a pipe support component for supporting the middle part of the exhaust pipe; The tail support mechanism is arranged on the top surface of the detection platform and is located on the side of the middle support mechanism away from the head support mechanism, and includes a third position adjustment component; the third position adjustment component is provided with a tail fixing component for supporting one end of the exhaust pipe away from the head support mechanism.

2. The airtightness detection tool according to claim 1, characterized in that: The first position adjustment component includes a first linear module symmetrically fixed on the top surface of the detection platform, and the first linear module is arranged along the length direction of the detection platform; a second linear module is fixedly arranged between the two sliders of the first linear modules, and the second linear module is arranged perpendicular to the first linear module.

3. The airtightness detection tool according to claim 2, characterized in that: The head fixing assembly includes a first mounting seat fixedly arranged on the top surface of the slider of the second linear module, a first mounting plate is arranged above the first mounting seat through a connecting assembly, and a first U-shaped plate is fixedly arranged on the top surface of the first mounting plate; a sealed air inlet is embedded and fixedly arranged on the plate surface of the first U-shaped plate on the side away from its opening direction, which is used to inflate the interior of the exhaust pipe.

4. The airtightness detection tool according to claim 3, characterized in that: The second position adjustment component includes a third linear module fixedly arranged on the top surface of the detection platform, and the third linear module is arranged parallel to the second linear module.

5. The airtightness detection tool according to claim 4, characterized in that: The pipe support assembly includes a second mounting seat fixedly arranged on the top surface of the slider of the third linear module, and a second mounting plate is arranged above the second mounting seat through a connecting assembly; a fixed plate is fixedly arranged on one side of the top surface of the second mounting plate, and a sliding plate is slidably arranged on the top surface of the second mounting plate on one side of the fixed plate, and the sliding plate is arranged parallel to the fixed plate; a supporting plate is fixedly arranged on the top surface of the second mounting plate on the side of the sliding plate away from the fixed plate, and a telescopic rod is symmetrically fixedly arranged between the support plate and the sliding plate, and a spring is sleeved on the outer side of the telescopic rod.

6. The airtightness detection tool according to claim 5, characterized in that: The third position adjustment component includes a fourth linear module fixedly arranged on the top surface of the detection platform, and the fourth linear module is arranged parallel to the third linear module.

7. The airtightness testing tool according to claim 6, characterized in that: The tail fixing assembly includes a third mounting seat fixedly arranged on the top surface of the slider of the fourth linear module, a third mounting plate is arranged above the third mounting seat through a connecting assembly, and a second U-shaped plate is fixedly arranged on the top surface of the third mounting plate; a sealing plug is fixedly arranged on the inner side of the side plate of the second U-shaped plate away from its opening direction, which is used to seal the tail port of the exhaust pipe.

8. The airtightness testing tool according to claim 7, characterized in that: The connecting assembly includes threaded holes arranged on the top surfaces of the first mounting seat, the second mounting seat and the third mounting seat, and studs are respectively arranged corresponding to the three threaded holes. The bottom ends of the studs are threaded into the corresponding threaded holes, and the top ends of the studs are rotatably connected to the bottom surfaces of the corresponding first mounting plate, the second mounting plate and the third mounting plate through bearings.

9. The airtightness detection tool according to claim 8, characterized in that: The pipeline support assembly also includes a limiting assembly, which includes L-shaped limiting plates symmetrically arranged on both side surfaces of the sliding plate. One side of the L-shaped limiting plate can be rotatably arranged on the side surface of the sliding plate through a rotating shaft, and the other side can be hooked on the outer side surface of the support plate to achieve position limitation of the sliding plate.

Images