CN220960488U - Tool for airtight detection of filter screen of pressure increasing valve - Google Patents
Tool for airtight detection of filter screen of pressure increasing valve Download PDFInfo
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- CN220960488U CN220960488U CN202322712118.4U CN202322712118U CN220960488U CN 220960488 U CN220960488 U CN 220960488U CN 202322712118 U CN202322712118 U CN 202322712118U CN 220960488 U CN220960488 U CN 220960488U
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007907 direct compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a tool for airtight detection of a filter screen of a pressure increasing valve, which comprises a tool main frame, wherein a telescopic cylinder is arranged at the top of the tool main frame, an adapter is arranged at a piston rod at the bottom of the telescopic cylinder, a measuring head is connected below the adapter, a sealing pressure head sleeve is arranged at the bottom of the measuring head, an upper fixed protective shell is sleeved on the outer wall of the bottom of the sealing pressure head sleeve, a pressure head bump is clamped and installed at the bottom axle center of the upper fixed protective shell, and a compression fixed block is pressed down at the bottom axle center of the measuring head; according to the utility model, external air flows from the air inlet to the air outlet by means of the external flowmeter, the leakage flow at the steel ball is measured to detect the tightness of the steel ball, if the leakage flow exceeds the preset qualified range, the system automatically stops the test and prompts the alarm to move into the waste, and after the system detects that the test is finished, the system automatically judges whether the leakage value meets the tolerance requirement, the detection is more automatic, and the misjudgment can be reduced.
Description
Technical Field
The utility model relates to the technical field of air tightness, in particular to a tool for detecting air tightness of a filter screen of a pressure increasing valve.
Background
In the field of production and manufacturing of domestic and foreign automobile hydraulic brake systems, advanced tools and airtight detection means are adopted to accurately and rapidly detect the product performance. The tool for detecting the air tightness of the filter screen of the general pressure increasing valve is in a direct compression detection mode, and can not simulate the stress condition of the filter screen of the pressure increasing valve when the pressure increasing valve works in an ESC system, so that the air tightness detection result of the filter screen of the pressure increasing valve is inaccurate, misjudgment is easy to occur, and the production efficiency and the product qualification rate are reduced. In addition, whether the air tightness detection result of the filter screen of the booster valve directly influences the working performance of the booster valve.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a tool for detecting the air tightness of a filter screen of a pressure increasing valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a frock for airtight detection of booster valve filter screen, includes the frock body frame, frock body frame top is provided with flexible cylinder, flexible cylinder bottom piston rod department is provided with the adapter, the adapter below is connected with the measuring head, the bottom of measuring head is provided with sealed pressure head sleeve pipe, sealed pressure head sheathed tube bottom outer wall has cup jointed the fixed shell of protecting, the pressure head lug is installed to the bottom axle center department joint of the fixed shell of protecting of going up, the bottom axle center department of measuring head pushes down has the fixed block that compresses tightly.
As still further aspects of the utility model: the outer wall of one side of the measuring head is welded with a sliding block, the outer wall of one side of the tool main frame, which is close to the measuring head, is provided with a sliding groove rail, and the inner wall of the sliding groove rail is slidably inserted with the sliding block.
As still further aspects of the utility model: the sealing gasket is clamped on the contact surface between the outer wall of the bottom of the measuring head and the inner wall of the compression fixing block, and air inlets which penetrate through the sealing gasket are formed in the axis of the sealing gasket.
As still further aspects of the utility model: the bottom of the upper fixed protecting shell is connected with a lower fixed protecting shell, and the inner wall of the fixed protecting shell is provided with a fixed compression block.
As still further aspects of the utility model: the outer walls of the two sides of the fixed compression block are respectively provided with a movable compression block, and the distances between the two movable compression blocks and the fixed compression block are the same.
As still further aspects of the utility model: and an airtight lower tool is arranged right below the fixed compression block, and a supporting top table is fixed at the top of the airtight lower tool through a screw.
As still further aspects of the utility model: the sealing ring is sleeved at the joint of the supporting top table and the airtight lower tool, and the air outlet hole is formed in the axis of the airtight lower tool.
Compared with the prior art, the utility model provides a tool for detecting the air tightness of a filter screen of a pressure increasing valve, which has the following beneficial effects:
1. A frock for airtight detection of booster valve filter screen lets the outside air flow from the inlet port to the venthole through letting outside flowmeter, lets the measurement steel ball department leak the flow and detects its leakproofness, if leak the flow and surpass the qualified scope of setting in advance, the system automatic stop test and suggestion is reported to the police and is moved into the waste product, after the system detects that the test is accomplished, the system judges automatically whether leak the value accords with the tolerance requirement, and its detection is more systematic automation, can reduce the erroneous judgement.
2. A frock for airtight detection of booster valve filter screen, whole detection adopts automated processing's mode to detect the processing to utilize the fixed mode of quick centre gripping to the filter screen of booster valve can fix the extrusion fast, just carry out the detection of gas tightness afterwards, and the detection process judges with the help of the gas leakage volume of external equipment, and not utilize the manual work to judge, thereby can improve holistic detection accuracy greatly.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a tool for detecting the air tightness of a filter screen of a pressure increasing valve;
FIG. 2 is a cross-sectional view of the whole structure of a tool for detecting the air tightness of a filter screen of a pressure increasing valve;
Fig. 3 is an enlarged schematic diagram of a part of a structure of a tool for detecting air tightness of a filter screen of a pressure increasing valve.
In the figure: 1. a tool main frame; 2. a telescopic cylinder; 3. an adapter; 4. a measuring head; 5. a sliding block; 6. a sliding groove rail; 7. sealing the pressure head sleeve; 8. an upper fixed protective shell; 9. a ram bump; 10. compressing the fixed block; 11. a sealing gasket; 12. a lower fixed protective shell; 13. fixing the compaction block; 14. an air inlet hole; 15. a movable compression block; 16. supporting a top platform; 17. hermetically unloading the tool; 18. a seal ring; 19. and an air outlet hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1:
In order to realize quick and accurate air tightness detection, as shown in fig. 1-3, the tool comprises a tool main frame 1, wherein a telescopic cylinder 2 is arranged at the top of the tool main frame 1, an adapter 3 is arranged at a piston rod at the bottom of the telescopic cylinder 2, a measuring head 4 is connected below the adapter 3, a sealing pressure head sleeve 7 is arranged at the bottom of the measuring head 4, an upper fixing protective shell 8 is sleeved on the outer wall of the bottom of the sealing pressure head sleeve 7, a pressure head bump 9 is clamped and installed at the bottom axle center of the upper fixing protective shell 8, and a compression fixing block 10 is pressed down at the bottom axle center of the measuring head 4;
By making the external air flow from the air inlet hole 14 to the air outlet hole 19 by means of an external flowmeter, the leakage flow at the steel ball is measured to detect the tightness, if the leakage flow exceeds a preset qualified range, the system automatically stops the test and prompts the alarm to move into the waste, and when the system detects that the test is finished, the system automatically judges whether the leakage value meets the tolerance requirement, the detection is more system-automated, and the erroneous judgment can be reduced.
The outer wall of one side of the measuring head 4 is welded with a sliding block 5, the outer wall of one side of the tool main frame 1, which is close to the measuring head 4, is provided with a sliding groove rail 6, the inner wall of the sliding groove rail 6 is in sliding connection with the sliding block 5, a sealing gasket 11 is clamped at the contact surface between the outer wall of the bottom of the measuring head 4 and the inner wall of a compression fixed block 10, an air inlet hole 14 which penetrates through the sealing gasket 11 is arranged at the axle center of the sealing gasket 11, the bottom of the upper fixed protective shell 8 is connected with a lower fixed protective shell 12, and the inner wall of the fixed protective shell 12 is provided with a fixed compression block 13;
the outer walls of the two sides of the fixed compression block 13 are respectively provided with a movable compression block 15, and the distance between the two movable compression blocks 15 and the fixed compression block 13 is the same;
The whole detection adopts an automatic processing mode to carry out detection treatment, and utilizes a quick clamping and fixing mode to quickly fix and extrude the filter screen of the booster valve, then the air tightness is detected, and the detection process judges by means of the air leakage amount of external equipment instead of manual judgment, so that the whole detection accuracy can be greatly improved.
When the device is used, the telescopic cylinder 2 at the top of the tool main frame 1 drives the measuring head 4 to slowly descend, the sliding block 5 is in sliding connection with the inside of the sliding groove rail 6 in the process of the slow descent, the sealing pressure head sleeve 7 is driven to simultaneously descend in the process of the descent of the measuring head 4, when the sealing gasket 11 is extruded on the end filter, the compression fixing block 10 provided with the air inlet hole 14 is abutted to the end filter salient point, the airtight lower tool 17 moves upwards, contacts with the movable compression block 15 and the fixed compression block 13 provided with the air outlet hole 19 and is abutted to the central column of the filter screen, at the moment, the measuring gas enters from the air inlet hole 14, and exits from the air outlet hole 19, and the leakage flow of the steel ball is measured through the flowmeter to detect the tightness of the sealing; if the leakage flow exceeds the preset qualified range, the system automatically stops the test and prompts the alarm to move into the waste product, and when the system detects that the test is finished, the system automatically judges whether the leakage value meets the tolerance requirement.
Example 2:
1-3, the following additions are made on the basis of the embodiment 1: an airtight lower tool 17 is arranged right below the fixed compression block 13, the top of the airtight lower tool 17 is fixed with a supporting top table 16 through a screw, a sealing ring 18 is sleeved at the joint of the supporting top table 16 and the airtight lower tool 17, and an air outlet hole 19 is formed at the axis of the airtight lower tool 17.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a frock for airtight detection of booster valve filter screen, includes frock body frame (1), a serial communication port, frock body frame (1) top is provided with flexible cylinder (2), flexible cylinder (2) bottom piston rod department is provided with adapter (3), adapter (3) below is connected with measuring head (4), the bottom of measuring head (4) is provided with sealed pressure head sleeve pipe (7), fixed shell (8) have been cup jointed to the bottom outer wall of sealed pressure head sleeve pipe (7), pressure head lug (9) are installed in the bottom axle center department joint of fixed shell (8) of going up, the bottom axle center department of measuring head (4) pushes down and has compact fixed block (10).
2. The tool for airtight detection of the pressure boost valve filter screen according to claim 1, wherein a sliding block (5) is welded on the outer wall of one side of the measuring head (4), a sliding groove rail (6) is arranged on the outer wall of one side of the tool main frame (1) close to the measuring head (4), and the sliding block (5) is connected to the inner wall of the sliding groove rail (6) in a sliding mode.
3. The tool for airtight detection of the pressure boost valve filter screen according to claim 1, wherein a sealing gasket (11) is clamped on the contact surface of the outer wall of the bottom of the measuring head (4) and the inner wall of the compression fixed block (10), and air inlets (14) penetrating through the sealing gasket (11) are formed in the axis of the sealing gasket.
4. The tooling for airtight detection of the filter screen of the pressure increasing valve according to claim 1, wherein a lower fixed protecting shell (12) is connected to the bottom of the upper fixed protecting shell (8), and a fixed compression block (13) is installed and connected to the inner wall of the fixed protecting shell (12).
5. The tooling for airtight detection of the pressure boost valve filter screen according to claim 4, wherein the movable compression blocks (15) are arranged on the outer walls of the two sides of the fixed compression block (13), and the distance between the two movable compression blocks (15) and the fixed compression block (13) is the same.
6. The tool for airtight detection of a pressure increasing valve filter screen according to claim 5, wherein an airtight lower tool (17) is arranged right below the fixed compression block (13), and a supporting top table (16) is fixed on the top of the airtight lower tool (17) through screws.
7. The tool for airtight detection of the filter screen of the pressure increasing valve according to claim 6, wherein a sealing ring (18) is sleeved at the joint of the supporting top table (16) and the airtight lower tool (17), and an air outlet hole (19) is formed at the axis of the airtight lower tool (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712118.4U CN220960488U (en) | 2023-10-10 | 2023-10-10 | Tool for airtight detection of filter screen of pressure increasing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712118.4U CN220960488U (en) | 2023-10-10 | 2023-10-10 | Tool for airtight detection of filter screen of pressure increasing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220960488U true CN220960488U (en) | 2024-05-14 |
Family
ID=91025778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322712118.4U Active CN220960488U (en) | 2023-10-10 | 2023-10-10 | Tool for airtight detection of filter screen of pressure increasing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220960488U (en) |
-
2023
- 2023-10-10 CN CN202322712118.4U patent/CN220960488U/en active Active
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