CN210487194U - Hose assembly pressure testing plane sealing testing component and testing device - Google Patents
Hose assembly pressure testing plane sealing testing component and testing device Download PDFInfo
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- CN210487194U CN210487194U CN201921129789.5U CN201921129789U CN210487194U CN 210487194 U CN210487194 U CN 210487194U CN 201921129789 U CN201921129789 U CN 201921129789U CN 210487194 U CN210487194 U CN 210487194U
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Abstract
A hose assembly pressure test plane sealing test component and a test device, wherein the component mainly comprises a movable connector, a fixed plug and a clamping mechanism, and the device also comprises a control cabinet, a test cabinet and a compressed air supercharging device; the movable connector comprises a connecting base with a through hole inside, and a rubber gasket, a coating gasket and a fixing screw with a through hole are sequentially arranged at the sealing end of the connecting base; the fixed plug comprises a plug base, and a rubber gasket, a coating gasket and a hole-free fixing screw are sequentially arranged at the sealing end of the plug base; the clamping mechanism is used for tightly clamping the movable connector and the fixed plug at two ends of a metal joint of a workpiece to be tested, then the pressure of the pipeline reaches the standard requirement through pressurization, and whether the workpiece reaches the standard or not is judged by observing the pressure reduction condition in the loop. The utility model discloses can detect out unusual problems such as hose portion, metal and hose connection department, the metal joint job sealing face of brake hose assembly to this improves product quality.
Description
Technical Field
The utility model relates to a planar seal of 100% pressure testing before dispatching from the factory in the hose assembly manufacturing process specifically is a planar seal test subassembly and testing arrangement for hose assembly pressure testing.
Background
With the development of parts in the automobile industry, in the form of coupling parts of hose assemblies for conveying pressure media for automobiles with other automobile parts, a flat sealing form is widely used. The rubber brake hose assembly used for the automobile brake system needs to be subjected to 100% pressure test before being manufactured and delivered, and the 100% pressure test process is very important. In the operation process, the brake hose assembly is ensured to bear multiple times of working pressure integrally, and the sealing surface of the workpiece cannot be damaged after detection. In the past, a simple non-metal material (nylon, rubber and resin) is in contact with a sealing plane, so that the joint can be prevented from being leaked, but a product with scratches on the sealing surface in the manufacturing process of a hose assembly cannot be detected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hose assembly pressure testing plane seal test subassembly and testing arrangement for solve current 100% pressure testing arrangement, can not discern that the joint seal plane has the unusual product of fish tail, lead to flowing out the factory control measure and cause the inefficacy risk.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a hose assembly pressure testing planar seal test subassembly, this test subassembly includes the mobile connector head, the mobile connector head includes the inside connection base that is equipped with the through-hole, connection base one end is the link, and the other end is sealed end, the tip of sealed end is equipped with the set screw of rubber packing ring, coating packing ring and band pass through hole from inside to outside in proper order, rubber packing ring and coating packing ring pass through set screw and connect the tip at sealed end, and set screw's inside through-hole and connection base's inside through-hole UNICOM mutually.
The utility model provides a hose assembly pressure testing planar seal test subassembly, this test subassembly is including fixed end cap, fixed end cap includes the end cap base, end cap base one end is the link, and the other end is sealed end, the tip of sealed end is equipped with rubber packing ring, coating packing ring and sclausura set screw from inside to outside in proper order, rubber packing ring and coating packing ring pass through sclausura set screw and connect the tip at sealed end.
The utility model provides a hose assembly pressure testing plane seal test subassembly, includes foretell removal connector and fixed end cap, removal connector and the coaxial setting of fixed end cap and use of mutually supporting, the sealed end of both seals respectively at the both ends of awaiting measuring work piece metal joint.
Furthermore, the testing assembly further comprises a clamping mechanism, and the clamping mechanism is used for tightly clamping the movable connector and the fixed plug at two ends of the metal joint of the workpiece to be tested.
Further, clamping mechanism includes cylinder, fixed bolster and removal slider, the link fixed connection of fixed end cap is on the fixed bolster, the link and the removal slider fixed connection of removal connector, the inside of removing the slider is equipped with the through-hole to it sets up on the piston rod top of cylinder, be equipped with the air inlet on the piston rod of cylinder and its inside inlet port that is equipped with, inlet port and the inside through-hole of removing slider and removal connector on the piston rod are each other UNICOM.
Furthermore, the distance between the air cylinder and the fixed support is smaller than half of the maximum extending distance of the piston rod of the air cylinder.
Furthermore, the connecting end of the connecting base and the plug base is a threaded end in a threaded connection mode.
Further, the coating gasket is composed of a non-metallic material coating and a metal framework; the coating is arranged on two planes of the gasket, and the thickness of the coating is controlled to be 0.01-0.06 mm.
The utility model provides a hose assembly pressure testing plane seal testing arrangement, this testing arrangement include foretell removal connector, fixed end cap and clamping mechanism, still include the switch board simultaneously, the test cabinet, compressed air supercharging device passes through the charge-discharge line and connects the inlet opening on cylinder and the piston rod respectively, the switch board is used for control cylinder motion and pressure testing pressure size to the sealing performance of pressure in order to judge the examination work piece that awaits measuring through pressure sensor measurement closed circuit.
Furthermore, a working button, an emergency button, a power switch, a power display lamp and a data display are arranged on the control cabinet; the test cabinet is provided with a station unqualified display lamp and a station qualified display lamp; the charging and discharging pipeline comprises a clamping gas charging and discharging pipeline and a test pressure charging and discharging pipeline, and a clamping system gas regulating valve is arranged on the clamping gas charging and discharging pipeline.
The utility model has the advantages that: the utility model discloses can effectively realize that brake hose assembly 100% pressure passes through the experiment, detect out that there is the fish tail in the sealed face of brake hose metal joint and easily arouse the trouble piece that the loading was leaked, make the sealed face of joint unusual product outflow obtain effective control.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a mobile connector.
Fig. 2 is a schematic structural view of the fixed plug.
Fig. 3 is a schematic view of the movable connector, the fixed plug and the clamping mechanism in cooperation.
FIG. 4 is a schematic view of a workpiece to be tested.
Fig. 5 is a schematic view of a pressure test plane seal test.
Labeled as: 1-a movable connector, 101-a connecting base, 102-a fixing screw with a through hole, 2-a fixing plug, 201-a plug base, 202-a non-hole fixing screw, 3-an air cylinder, 4-a movable sliding block, 5-a piston rod, 6-a fixing support, 7-a workpiece metal joint to be detected, 8-a workpiece hose to be detected, 9-a bottom plate, 10-a control cabinet, 11-a compressed air supercharging device, 12-a test pressure charging and discharging pipeline, 13-a clamping gas charging and discharging pipeline, 14-a working button, 15-an emergency button, 16-a power switch, 17-a power display lamp, 18-a data display, 19-a clamping system gas regulating valve, 20-a station unqualified display lamp and 21-a station qualified display lamp, 22-rubber gasket, 23-coated gasket, 24-threaded end, 25-test cabinet.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The first embodiment.
A hose assembly pressure test plane sealing test component mainly comprises a movable connector 1 and a fixed plug 2.
As shown in fig. 1, a mobile connector 1, mobile connector 1 includes inside connection base 101 that is equipped with the through-hole, connection base 101 one end is the link, and the other end is sealed end, the tip of sealed end is equipped with rubber packing ring 22, coating packing ring 23 and set screw 102 of band-pass hole from inside to outside in proper order, rubber packing ring 22 and coating packing ring 23 pass through set screw 102 and connect the tip at sealed end, and set screw 102's inside through-hole and connection base 101's inside through-hole UNICOM mutually.
The connector is moved for assembly, the rubber buffer gasket 22 is sequentially placed on the plane of the connector connection base 101, then the coated gasket 23 is placed, and finally the two gaskets are fixed on the base by the fixing screw 102 with the through hole, so that the gaskets are prevented from falling off.
As shown in fig. 2, the fixed plug 2 comprises a plug base 201, one end of the plug base 201 is a connecting end, the other end of the plug base 201 is a sealing end, a rubber gasket 22, a coating gasket 23 and a non-porous fixing screw 202 are sequentially arranged at the end of the sealing end from inside to outside, and the rubber gasket 22 and the coating gasket 23 are connected to the end of the sealing end through the non-porous fixing screw 202.
The plug is fixed and assembled, the rubber buffer gasket 22 is sequentially placed on the plane of the plug connecting base, the coated gasket 23 is then placed, and finally the two gaskets are fixed on the base by the non-porous fixing screws 202 to ensure that the gaskets do not fall off
As shown in fig. 3, the testing assembly further includes a clamping mechanism for tightly clamping the movable connecting head and the fixed choke plug at two ends of a metal joint of a workpiece to be tested, wherein the metal joint is in a pattern shown in fig. 4. Wherein, clamping mechanism includes cylinder 3, fixed bolster 6 and removes slider 4, the link fixed connection of fixed end cap 2 is on fixed bolster 6, removes the link of connector 1 and removes slider 4 fixed connection, the inside of removing slider 4 is equipped with the through-hole to it sets up on 5 tops of piston rod of cylinder 3, be equipped with the air inlet on the piston rod 5 of cylinder and its inside air inlet through hole that is equipped with, air inlet through hole and the inside through-hole of removing slider 4 and removing connector 1 on the piston rod UNICOM each other.
In the embodiment, the cylinder 3 and the fixed bracket 6 are arranged on the bottom plate 9 and are connected and fixed through bolts; the seat plate 9 is fixed on the test cabinet through bolts. The distance between the cylinder 3 and the fixed support 6 is less than half of the maximum distance of the piston rod 5 of the cylinder, and the linear movement is ensured by the movable sliding block 4 arranged at the top end of the piston rod 5. The threaded end of the movable connector 1 is connected to the movable sliding block 4 through threads. The moving slide 4 has a through-hole which allows the moving connector 1 to be connected to a pressure gas line. The threaded end of the fixed plug 2 is arranged on the fixed support 6. The movable connector 1 and the fixed plug 2 are required to be coaxial after being installed. When a workpiece is tested, the air cylinder 3 is inflated, the piston rod 5 extends out to drive the connecting moving head 1 to move linearly until the workpiece metal connector 7 is clamped by the fixing plug, so that a test air path and the workpiece form a closed loop, and the pressure test function is embodied.
In this embodiment, the movable connector 1 and the fixed plug 2 are coaxially arranged and are used in cooperation with each other, and the sealing ends of the movable connector and the fixed plug are respectively sealed at two ends of the metal joint 7 of the workpiece to be tested.
In this embodiment, the coating washer 23 is composed of a non-metallic material coating and a metal skeleton; the coating is arranged on two planes of the gasket, and the thickness of the coating is controlled to be 0.01-0.06 mm. The coating adhesion performance requires no falling off when bearing 1MPa of extrusion stress. The shape and size of the gasket can be determined according to the product to be used, and is generally a circular ring type. The rubber gasket 22 is made of rubber and metal framework. The rubber is coated with a metal framework and is prepared by mould pressing and vulcanization. The rubber gasket 22 is shaped to conform to the coated gasket 23.
The utility model discloses use in the aspect of automobile brake hose assembly manufacturing, can satisfy the brake hose 100% pressure test condition of regulation in the liquid brake pipe assembly SAE1401 standard, especially when the medium is gaseous, bearing pressure 14.5MPa can be to pressure seal in the airtight pipeline. The specific principle is as follows:
the utility model discloses the product key that can discern the sealed face fish tail of metal joint lies in the coating packing ring of this device. Utilize the very thin principle of coating layer thickness to reach discernment mar product, the utility model discloses the device during operation, the sealed face contact of coating packing ring 23 and test workpiece. The coated gasket 23 is brought into tight engagement with the sealing surface of the test piece by the cylinder. The coated gasket 23 is squeezed and the non-metallic material of the coating is softer than the metal joint, deforming first and the sealing function is achieved. Because the non-metallic material layer is very thin by 0.01-0.06mm, the deformation is very small, and when the sealing surface of the metal joint of the workpiece has leakage risk scratches, compressed air cannot be sealed. The nonmetal material is slightly deformed under pressure, and can be recovered after the extrusion stress disappears, so that the nonmetal material can be repeatedly used.
Example two.
As shown in fig. 5, a hose assembly pressure test plane sealing testing device, the testing device includes a movable connector 1, a fixed plug 2 and a clamping mechanism in the first embodiment, and also includes a control cabinet 10, a testing cabinet 25, a compressed air pressurizing device 11, and all the components jointly constitute a tool clamping system, a test pressure charging and discharging system, and a test data collecting and displaying system.
The compressed air supercharging device 11 is respectively connected with the air inlet through holes in the air cylinder 3 and the piston rod 5 through charging and discharging pipelines, the control cabinet 10 is used for controlling the movement of the air cylinder 3 and the pressure of pressure test, and the pressure in the closed loop is measured through the pressure sensor so as to judge the sealing performance of a workpiece to be tested. Wherein, the control cabinet 10 is provided with a working button 14, an emergency button 15, a power switch 16, a power display lamp 17 and a data display 18; the test cabinet 25 is provided with a station unqualified display lamp 20 and a station qualified display lamp 21; the charging and discharging pipeline comprises a clamping gas charging and discharging pipeline 13 and a test pressure charging and discharging pipeline 12, and a clamping system gas regulating valve 19 is arranged on the clamping gas charging and discharging pipeline 13.
The utility model discloses the device mainly used brake hose assembly 100% pressure before dispatching from the factory passes through the test. The brake hose assembly is delivered from a factory and is subjected to 100% pressure test according to the requirement of a standard (SAEJ1401)), the operation requirement is that process parameters are set firstly, the working air pressure of the clamping mechanism is 0.45-0.65 MPa, and the set test pressure is reduced to 0.2 MPa. When a pressure test workpiece is placed into the clamping mechanism, the clamping mechanism is started, the brake hose assembly workpiece and the pressure test equipment form a pressure loop which can be closed, a test working medium is started to be filled, the pressure of a pipeline reaches the standard requirement, and the input of high-pressure gas is cut off. And keeping the pressure in a closed loop connected with the workpiece to be tested for a period of time, measuring the pressure drop condition in the closed loop through a pressure sensor, wherein each workpiece loop is an independent loop, and the workpiece loop with the pressure drop larger than 0.2MPa is set to be leakage, otherwise, the pressure drop is not equal to the leakage. After the pressure test is finished, the result is fed back through the warning lamp on the equipment, the green lamp is turned on to ensure that the test workpiece is not leaked and qualified, and the red lamp is turned on to ensure that the test workpiece is leaked and unqualified. And (4) sequentially discharging the test media, opening the clamping workpiece when the loop pressure is reduced to 0, taking down the pressure test workpiece, and entering the next pressure test operation. The pressure testing device can detect abnormal problems of a hose part, a metal and hose connecting part, a metal joint working sealing surface and the like of a brake hose assembly, can well prevent a fault part from flowing out, and improves the product quality.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (10)
1. The utility model provides a hose assembly pressure testing planar seal test subassembly, its characterized in that, this test subassembly is including removing the connector, it includes the inside connection base that is equipped with the through-hole to remove the connector, connection base one end is the link, and the other end is sealed end, the tip of sealed end is equipped with rubber packing ring, coating packing ring and the set screw who takes the through-hole from inside to outside in proper order, rubber packing ring and coating packing ring pass through set screw and connect the tip at sealed end, and set screw's inside through-hole and connection base's inside through-hole looks UNICOM.
2. The utility model provides a hose assembly pressure testing planar seal test subassembly, its characterized in that, this test subassembly is including fixed end cap, fixed end cap includes the end cap base, end cap base one end is the link, and the other end is sealed end, the tip of sealed end is equipped with rubber packing ring, coating packing ring and sclausura set screw from inside to outside in proper order, rubber packing ring and coating packing ring pass through sclausura set screw and connect the tip at sealed end.
3. A hose assembly pressure testing plane sealing testing component is characterized by comprising a movable connector and a fixed plug in claim 1, wherein the movable connector and the fixed plug are coaxially arranged and are mutually matched for use, and sealing ends of the movable connector and the fixed plug are respectively sealed at two ends of a metal joint of a workpiece to be tested.
4. The flat seal testing component for the pressure test of the hose assembly as claimed in claim 3, further comprising a clamping mechanism for tightly clamping the movable connector and the fixed plug at two ends of the metal joint of the workpiece to be tested.
5. The hose assembly pressure test plane sealing test assembly according to claim 4, wherein the clamping mechanism comprises a cylinder, a fixed support and a movable sliding block, the connecting end of the fixed plug is fixedly connected to the fixed support, the connecting end of the movable connector is fixedly connected with the movable sliding block, a through hole is formed in the movable sliding block, the through hole is formed in the top end of a piston rod of the cylinder, an air inlet is formed in the piston rod of the cylinder, an air inlet through hole is formed in the piston rod of the cylinder, and the air inlet through hole in the piston rod is communicated with the through hole in the movable sliding block and the through hole in the movable connector.
6. The planar seal testing component for pressure test of the hose assembly as claimed in claim 5, wherein the distance between the cylinder and the fixing support is less than half of the maximum distance of the piston rod of the cylinder.
7. The planar seal testing assembly for the pressure test of the hose assembly as claimed in claim 3 or 4, wherein the connecting end of the connecting base and the plug base is a threaded end in a threaded connection.
8. The planar seal testing assembly for testing the pressure of a hose assembly as claimed in any one of claims 1 to 4, wherein the coated gasket is composed of a non-metallic material coating and a metal skeleton; the coating is arranged on two planes of the gasket, and the thickness of the coating is controlled to be 0.01-0.06 mm.
9. The utility model provides a hose assembly pressure testing plane sealing testing arrangement, its characterized in that, this testing arrangement include any one of claim 4 to 6 removal connector, fixed end cap and clamping mechanism, still include the switch board simultaneously, the test cabinet, compressed air supercharging device connects the inlet opening on cylinder and the piston rod respectively through the charge-discharge pipeline, the switch board is used for controlling the cylinder motion and pressure testing pressure size to through the sealing performance of pressure sensor measurement closed circuit in order to judge the examination work piece that awaits measuring.
10. The hose assembly pressure test plane sealing testing device of claim 9, wherein the control cabinet is provided with a working button, an emergency button, a power switch, a power display lamp and a data display; the test cabinet is provided with a station unqualified display lamp and a station qualified display lamp; the charging and discharging pipeline comprises a clamping gas charging and discharging pipeline and a test pressure charging and discharging pipeline, and a clamping system gas regulating valve is arranged on the clamping gas charging and discharging pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921129789.5U CN210487194U (en) | 2019-07-18 | 2019-07-18 | Hose assembly pressure testing plane sealing testing component and testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129789.5U CN210487194U (en) | 2019-07-18 | 2019-07-18 | Hose assembly pressure testing plane sealing testing component and testing device |
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| CN210487194U true CN210487194U (en) | 2020-05-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411684A (en) * | 2019-07-18 | 2019-11-05 | 南京利德东方橡塑科技有限公司 | Hose assembly pressure testing flat seal test suite and test device |
| CN114088318A (en) * | 2020-10-30 | 2022-02-25 | 昕迪精密机械（东莞）有限公司 | Air leakage detecting device for conduit |
-
2019
- 2019-07-18 CN CN201921129789.5U patent/CN210487194U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411684A (en) * | 2019-07-18 | 2019-11-05 | 南京利德东方橡塑科技有限公司 | Hose assembly pressure testing flat seal test suite and test device |
| CN114088318A (en) * | 2020-10-30 | 2022-02-25 | 昕迪精密机械（东莞）有限公司 | Air leakage detecting device for conduit |
| CN114088318B (en) * | 2020-10-30 | 2024-05-14 | 昕迪智能装备(东莞)有限公司 | Air leakage measuring device for catheter |
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