阅读说明：本技术 一种排气管泄漏测试装置 (A kind of exhaust pipe leakage tester ) 是由 王友猛 陈靖 王德胜 于 2019-08-22 设计创作，主要内容包括：本发明涉及汽车排气管检测技术领域。一种排气管泄漏测试装置,包括泄漏测试支架、移动支撑模块、弹簧压紧模块、大口封堵模块和侧口封堵模块；所述的移动支撑模块设置在泄漏测试支架上,且移动支撑模块用于支撑并带动排气管的下部进行移动定位；所述的弹簧压紧模块设置在泄漏测试支架上,且位于移动支撑模块的上方,弹簧压紧模块用于压紧排气管的上部；所述的大口封堵模块设置在移动支撑模块的一侧,大口封堵模块用于将排气管的大口封堵；所述的侧口封堵模块设置在移动支撑模块的另一侧,侧口封堵模块用于将排气管的侧口封堵。本专利的优点是提升移动定位精度、增强牢固度、提高检测稳定性、增加密封效果。(The present invention relates to automobile exhaust pipe detection technique fields.A kind of exhaust pipe leakage tester, including leak-testing bracket, mobile supporting module, spring compression module, big mouth plugging module and side port plugging module；The mobile supporting module is arranged on leak-testing bracket, and mobile supporting module is used to support and the lower part of exhaust pipe is driven to carry out running fix；The spring compression module is arranged on leak-testing bracket, and is located at the top of mobile supporting module, and spring compression module is used to compress the top of exhaust pipe；The side of mobile supporting module is arranged in the big mouth plugging module, and big mouth plugging module is used to block in the big mouth of exhaust pipe；The other side of mobile supporting module is arranged in the side port plugging module, and side port plugging module is used to block the side port of exhaust pipe.The advantages of this patent is to promote running fix precision, enhancing firmness, improve detection stability, increase sealing effect.)

1. a kind of exhaust pipe leakage tester, which is characterized in that the device includes leak-testing bracket (1), mobile branch hold mode Block (2), spring compression module (3), big mouth plugging module (4) and side port plugging module (5)；The mobile supporting module (2) It is arranged on leak-testing bracket (1), and mobile supporting module (2) are used to support and the lower part of exhaust pipe is driven to carry out movement and determine Position；The spring compression module (3) is arranged on leak-testing bracket (1), and is located at the top of mobile supporting module (2), Spring compression module (3) is used to compress the top of exhaust pipe；Big mouth plugging module (4) setting is in mobile supporting module (2) side, big mouth plugging module (4) are used to block in the big mouth of exhaust pipe；Side port plugging module (5) setting is moving The other side of dynamic supporting module (2), side port plugging module (5) are used to block the side port of exhaust pipe.

2. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that the mobile supporting module It (2) include mobile support sliding rail (621), mobile support cylinder (622), mobile support plate (623)；The mobile support plate (623) it is arranged on leak-testing bracket (1) by mobile support sliding rail (621), is provided with movement on mobile support plate (623) Support cooperation frame (624)；The mobile support cylinder (622) connect with the side of mobile support plate (623)；The movement Mobile positioning cylinder (625) are provided on the right side of supporting module (2).

3. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that the spring compression module It (3) include spring compression bracket (631), spring compression cylinder (632), spring holddown (633) and multiple spring compression heads (634)；The spring compression bracket (631) is arranged on leak-testing bracket (1), and spring compression bracket (631) is located at The top of mobile supporting module (2), the spring compression cylinder (632) are arranged in the top of spring compression bracket (631), bullet Spring pressing cylinder (632) passes through spring compression bracket (631) and connect with the spring holddown (633), and spring holddown (633) cooperated by mobile support guide rod and spring compression bracket (631), multiple spring compression heads (634) setting exists The bottom of spring holddown (633), and spring compression head (634) supports cooperation frame (624) to match with mobile.

4. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that the big mouth plugging module It (4) include that big mouth blocks pedestal (641), big mouth blocks cylinder (642) and big mouth blocks panel (643)；The big mouth blocks In the left side of mobile supporting module (2), the big mouth blocks cylinder (642) setting and blocks bottom in big mouth for pedestal (641) setting On seat (641)；The big mouth blocks panel (643) and the mobile terminal of big mouth closure cylinder (642) is connected by the closure of big mouth Bar connects, and the big mouth blocks panel (643) and matches with the big mouth of exhaust pipe.

5. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that the side port plugging module It (5) include side port mobile cylinder (651), side port sliding rail (652), side port movable plate (653), side port plug rack (654), side port Block cylinder (655), side port blocks cylinder body (656)；The side port mobile cylinder (651) is arranged in leak-testing bracket (1) Front left side；The side port movable plate (653) is horizontally set on leak-testing bracket (1) by side port sliding rail (652), and Side port movable plate (653) is connect with side port mobile cylinder (651)；Side port plug rack (654) setting is mobile in side port On plate (653), the side port blocks cylinder (655) and is inclined at the top of side port plug rack (654)；The side port envelope Stifled cylinder body (656) are connect by blocking connecting plate with side port closure cylinder (655), and the side port blocks cylinder body (656) and row The side port of tracheae matches.

6. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that the side port movable plate (653) right part is provided with osculum and blocks cylinder (657), and the osculum blocks cylinder (657) and connected by osculum connecting plate Have osculum block head (658), the osculum block head (658) matches with exhaust pipe osculum.

7. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that the spring compression bracket (631) right side is provided with running fix block, and the running fix block is open equipped with V-type, the V-type opening and running fix Cylinder (625) matches.

8. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that the big mouth blocks connection Closure cooperation spring (6421) is provided on bar.

9. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that the spring compression bracket (631) middle part is additionally provided with marking machine (635).

10. a kind of exhaust pipe leakage tester according to claim 1, which is characterized in that by by the three of exhaust pipe Root branch pipe covers at the mobile top for supporting cooperation frame (624), passes through the mobile support cylinder (622) on mobile supporting module (2) The exhaust pipe on mobile support plate (623) is driven to be moved forward and backward positioning；Spring compression cylinder in spring compression module (3) (632) four spring compression heads (634) being fixed three branch pipes of exhaust pipe on spring holddown (633) is driven； The big mouth envelope that cylinder (642) drive big mouth to block panel (643) for exhaust pipe is blocked by the big mouth in big mouth plugging module (4) It is stifled；Side port movable plate (653) are driven to be horizontally moved by the side port mobile cylinder (651) in side port plugging module (5) fixed Position, and the side port closure that cylinder (655) drive side port to block cylinder body (656) for exhaust pipe is blocked by side port；It is sealed by osculum Gas shutoff cylinder (657) drives osculum block head (658) to block the osculum of exhaust pipe, conveyed inward after nozzle is blocked gas into Row whether leak detection.

Technical field

The present invention relates to automobile exhaust pipe detection technique field more particularly to a kind of exhaust pipe leakage testers.

Background technique

Exhaust gas is discharged for guiding exhaust gas caused by engine interior fuel combustion for the exhaust pipe of automobile.Due to Whether exhaust is smooth to influence dynamic efficiency and noise, therefore the exhaust gas leakage detection of exhaust pipe will affect Throttle Opening Control, in turn Oil consumption is influenced, therefore causes direct association, and directly influence the performance of engine, the size of noise, oil consumption, it is comprehensive Upper described, the detection of exhaust pipe is considerable for automobile.

Current exhaust pipe leak detecting device, such as publication number CN206348107U(publication date are 2017.07.21) A kind of exhaust pipe leak detecting device, including hose sealing unit and hard tube sealing list are disclosed in Chinese utility model patent Member, hose sealing unit include the hose seal plug, hose support portion and hose snap-gauge set gradually, hard tube sealing unit Including hard tube snap-gauge and hard tube seal plug, hard tube seal plug is equipped with charged air induction hole, and exhaust pipe both ends to be measured are respectively through soft After seal of tube plug and the sealing of hard tube seal plug, after pressurizeing by charged air induction hole, leak case is detected.The utility model knot Structure is simple, easily operated, provides a convenient and practical tool for the leak detection of exhaust pipe, detection process, hose and hard It is not subjected to displacement between pipe, hose will not be distorted, be deformed, the problems such as causing disconnected pipe.

But above-mentioned exhaust pipe leak detecting device, structure is too simple, can only to exhaust pipe leakage situation into There is poor sealing effect, and exhaust in leakproofness in carrying out detection process to exhaust pipe in the rough detection of row There is a problem of in the clamping fastness of pipe securely unstable.

Summary of the invention

It is mobile fixed to provide a kind of promotion for the problem of the purpose of the present invention is to solve the detections of above-mentioned existing automobile exhaust pipe A kind of exhaust pipe leak-testing dress of the stability that position precision, promotion exhaust pipe clamp, the opening leakproofness on increase exhaust pipe It sets.

For the purpose of the present invention, it is achieved using following technical scheme: a kind of exhaust pipe leakage tester, including let out Leak test bracket, mobile supporting module, spring compression module, big mouth plugging module and side port plugging module；The mobile branch Hold mode block is arranged on leak-testing bracket, and mobile supporting module is used to support and the lower part of exhaust pipe is driven to carry out movement and determines Position；The spring compression module is arranged on leak-testing bracket, and is located at the top of mobile supporting module, spring compression mould Block is used to compress the top of exhaust pipe；The side of mobile supporting module is arranged in the big mouth plugging module, and big mouth blocks mould Block is used to block in the big mouth of exhaust pipe；The other side of mobile supporting module, side port envelope is arranged in the side port plugging module Stifled module is used to block the side port of exhaust pipe.Having the technical effect that for this patent promotes running fix precision, enhancing firmness, mentions High detection stability increases sealing effect.

Preferably, the mobile supporting module includes mobile support sliding rail, mobile support cylinder, mobile support plate； The mobile support plate is arranged on leak-testing bracket by mobile support sliding rail, and mobile branch is provided in mobile support plate Support cooperation frame；The mobile support cylinder is connect with the side of mobile support plate；Setting on the right side of the mobile supporting module There is mobile positioning cylinder.Further promote running fix precision.

Preferably, the spring compression module include spring compression bracket, spring compression cylinder, spring holddown and Multiple spring compression heads；The spring compression bracket is arranged on leak-testing bracket, and spring compression bracket is located at movement The top of spring compression bracket is arranged in the top of supporting module, the spring compression cylinder, and spring compression cylinder passes through bullet Spring pressing bracket is connect with the spring holddown, and spring holddown is matched by mobile support guide rod with spring compression bracket It closes, the bottom of spring holddown is arranged in multiple spring compression heads, and spring compression head supports cooperation frame phase with mobile Cooperation.It further promotes exhaust pipe and compresses effect.

Preferably, the big mouth plugging module includes that big mouth blocks pedestal, big mouth blocks cylinder and big mouth plugging surface Plate；The big mouth blocks the left side that mobile supporting module is arranged in pedestal, and the big mouth blocks cylinder setting and seals in big mouth On stifled pedestal；The big mouth blocks panel and the mobile terminal of big mouth closure cylinder blocks connecting rod company by big mouth, described Big mouth blocks panel and matches with the big mouth of exhaust pipe.The leakproofness of the big mouth of exhaust pipe is promoted, further convenient for preferably being examined It surveys, to further promote detection accuracy.

Preferably, the side port plugging module includes side port mobile cylinder, side port sliding rail, side port movable plate, side port Plug rack, side port block cylinder, side port blocks cylinder body；The left front of leak-testing bracket is arranged in the side port mobile cylinder Side；The side port movable plate is horizontally set on leak-testing bracket by side port sliding rail, and side port movable plate and side port are moved Cylinder of taking offence connection；The side port plug rack is arranged on side port movable plate, and the side port blocks cylinder and is inclined at At the top of side port plug rack；The side port blocks cylinder body and is connect by blocking connecting plate with side port closure cylinder, the side Mouth blocks cylinder body and the side port of exhaust pipe matches.The leakproofness of exhaust pipe side port is promoted, further convenient for preferably being examined It surveys, to further promote detection accuracy.

Preferably, the right part of the side port movable plate, which is provided with osculum, blocks cylinder, the osculum blocks cylinder It is connected with osculum block head by osculum connecting plate, the osculum block head matches with exhaust pipe osculum.Further promoted The leakproofness of exhaust pipe osculum.

Preferably, being provided with running fix block on the right side of the spring compression bracket, the running fix block is equipped with V Type opening, the V-type opening are matched with mobile positioning cylinder.Convenient for further progress positioning.

Preferably, the big mouth, which blocks, is provided with closure cooperation spring in connecting rod, blocked convenient for further being promoted Effect.

Preferably, the spring compression mid-stent is additionally provided with marking machine.It is convenient for text and pattern is scribed.

Preferably, covering three branch pipes of exhaust pipe at the mobile top for supporting cooperation frame, pass through mobile supporting module On mobile support cylinder drive the exhaust pipe in mobile support plate to be moved forward and backward positioning；Spring compression in spring compression module Cylinder drives four spring compression heads being fixed three branch pipes of exhaust pipe on spring holddown；It is blocked by big mouth Big mouth in module blocks the big mouth closure that cylinder drives big mouth to block panel for exhaust pipe；Pass through the side in side port plugging module Mouthful mobile cylinder drives side port movable plate to be horizontally moved positioning, and by side port block cylinder drive side port closure cylinder body by The side port of exhaust pipe blocks；Blocking cylinder by osculum drives osculum block head to block the osculum of exhaust pipe, and nozzle is sealed Gas is conveyed inward after stifled is made whether leak detection.

A kind of exhaust pipe leakage tester by adopting the above technical scheme, the device pass through mobile supporting module convenient for row Accurately efficiency is moved in running fix and promotion to tracheae；It is convenient for exhaust pipe compression is fixed by spring compression module, Promote stability during the test；By big mouth plugging module and side port plugging module respectively by each nozzle of exhaust pipe It blocks, to further promote the accuracy of detection accuracy and detection.In conclusion the advantages of this patent is to promote movement to determine Position precision, improves detection stability, increases sealing effect enhancing firmness.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of exhaust pipe leakage tester of the present invention.

Fig. 2 is the structural schematic diagram of exhaust pipe.

Fig. 3 is the explosive view for flowing leakage tester.

Specific embodiment

As shown in Fig. 2, as shown in the figure to need the exhaust pipe detected, which includes being responsible for 70 and three branch pipes 71, Three branch pipes 71 are connected with supervisor 70, and regularly arranged；Left side positioned at supervisor 70 is provided with big opening 72；Positioned at supervisor's Front upper side is provided with side port 73, and osculum 74 is provided on front side of supervisor.

As shown in Figure 1 to Figure 3, a kind of exhaust pipe leakage tester, the device include leak-testing bracket 1, mobile branch Hold mode block 2, spring compression module 3, big mouth plugging module 4 and side port plugging module 5；The setting of mobile supporting module 2 exists On leak-testing bracket 1, and mobile supporting module 2 is used to support and the lower part of exhaust pipe is driven to carry out running fix；Described Spring compression module 3 is arranged on leak-testing bracket 1, and is located at the top of mobile supporting module 2, and spring compression module 3 is used In the top for compressing exhaust pipe；The side of mobile supporting module 2, big mouth plugging module 4 is arranged in the big mouth plugging module 4 For the big opening 72 of exhaust pipe to be blocked；The other side of mobile supporting module 2, side is arranged in the side port plugging module 5 Mouth plugging module 5 is for blocking the side port 73 of exhaust pipe.

As shown in figure 3, mobile supporting module 2 includes mobile support sliding rail 621, mobile support cylinder 622, mobile support plate 623；Mobile support plate 623 is arranged on leak-testing bracket 1 by mobile support sliding rail 621, is arranged in mobile support plate 623 There is mobile support cooperation frame 624；Mobile support cylinder 622 is connect with the side of mobile support plate 623, supports cylinder by mobile 622 drive mobile support plate 623 to be moved forward and backward, and promote mobile efficiency.Running fix is provided on the right side of mobile supporting module 2 Cylinder 625 prevents mobile supporting module 2 from being moved left and right, promotes further stability by mobile positioning cylinder 625.

Spring compression module 3 includes spring compression bracket 631, spring compression cylinder 632, spring holddown 633 and four Spring compression head 634；Spring compression bracket 631 is arranged on leak-testing bracket 1, and spring compression bracket 631 is located at movement The top of spring compression bracket 631 is arranged in the top of supporting module 2, spring compression cylinder 632, and spring compression cylinder 632 is worn It crosses spring compression bracket 631 to connect with spring holddown 633, drives spring holddown 633 to carry out by spring compression cylinder 632 Lifting, convenient for preferably carrying out running fix.Spring holddown 633 passes through mobile support guide rod and matches with spring compression bracket 631 It closes, the bottom of spring holddown 633 is arranged in multiple spring compression heads 634, and spring compression head 634 and mobile support cooperate frame 624 match, and are further promoted by spring compression head 634 and compress effect.It is mobile fixed to be provided on the right side of spring compression bracket 631 Position block, the running fix block are open equipped with V-type, and V-type opening is matched with mobile positioning cylinder 625, convenient for further mentioning Rise positioning accuracy.It is additionally provided with marking machine 635 in the middle part of spring compression bracket 631, pattern is carried out by marking machine 635 or text is beaten Mark.

Big mouth plugging module 4 includes that big mouth blocks pedestal 641, big mouth blocks cylinder 642 and big mouth blocks panel 643；Greatly Mouth blocks the left side that mobile supporting module 2 is arranged in pedestal 641, and big mouth blocks the setting of cylinder 642 in big mouth closure pedestal 641 On；Big mouth blocks panel 643 and the mobile terminal of big mouth closure cylinder 642 is connected by big mouth closure connecting rod, is blocked by big mouth Panel 643 blocks the big mouth of exhaust pipe, promotes plugging effect.Big mouth, which blocks, is provided with closure cooperation spring in connecting rod 6421, it further promotes plugging effect and promotes detection accuracy.

Side port plugging module 5 includes side port mobile cylinder 651, side port sliding rail 652, side port movable plate 653, side port closure branch Frame 654, side port block cylinder 655, side port blocks cylinder body 656, osculum blocks cylinder 657, osculum block head 658；Side port is mobile The front left side of leak-testing bracket 1 is arranged in cylinder 651；Side port movable plate 653 is horizontally set on leakage by side port sliding rail 652 On test bracket 1, side port movable plate 653 is connect with side port mobile cylinder 651, and drives side port by side port mobile cylinder 651 Movable plate 653 is mobile, promotes mobile efficiency.Side port plug rack 654 is arranged on side port movable plate 653, and side port blocks cylinder 655 are inclined at 654 top of side port plug rack；Side port blocks cylinder body 656 and blocks cylinder by blocking connecting plate and side port 655 connections block cylinder 655 by side port and side port closure cylinder body 656 are driven to block exhaust pipe side port.Osculum blocks cylinder 657 are arranged in the right part of side port movable plate 653, and osculum block head 658 blocks cylinder 657 by osculum connecting plate and osculum and connects It connects, cylinder 657 is blocked by osculum, osculum block head 658 is driven to block the osculum of exhaust pipe.

When work, 3 branch pipes of exhaust pipe are covered at the mobile top for supporting cooperation frame 624, mobile supporting module 2 is passed through On mobile support cylinder 622 drive the exhaust pipe in mobile support plate 623 to be moved forward and backward positioning；In spring compression module 3 Spring compression cylinder 632 drives four spring compression heads 634 on spring holddown 633 by the compression of 3 branch pipes of exhaust pipe It is fixed；The big mouth envelope that cylinder 642 drives big mouth to block panel 643 for exhaust pipe is blocked by the big mouth in big mouth plugging module 4 It is stifled；It drives side port movable plate 653 to be horizontally moved positioning by the side port mobile cylinder 651 in side port plugging module 5, and leads to It crosses side port and blocks the side port closure that cylinder 655 drives side port to block cylinder body 656 for exhaust pipe；657 band of cylinder is blocked by osculum Dynamic osculum block head 658 blocks the osculum of exhaust pipe, conveys gas after nozzle is blocked inward and is made whether leak detection.

The leakage tester passes through mobile supporting module 2 and is convenient for exhaust pipe accurately running fix and the mobile effect of promotion Rate；It is convenient for exhaust pipe compression is fixed by spring compression module 3, promotes stability during the test；By big Mouthful plugging module 4 and side port plugging module 5 respectively block each nozzle of exhaust pipe, thus further promoted detection accuracy with And the accuracy of detection.

In conclusion having the technical effect that for this patent promotes running fix precision, enhancing firmness, improves detection stabilization Property, increase sealing effect.