CN106802216B - Elastic plugging of leak tester - Google Patents
Elastic plugging of leak tester Download PDFInfo
- Publication number
- CN106802216B CN106802216B CN201710211488.6A CN201710211488A CN106802216B CN 106802216 B CN106802216 B CN 106802216B CN 201710211488 A CN201710211488 A CN 201710211488A CN 106802216 B CN106802216 B CN 106802216B
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- elastic
- block
- plugging
- inelastic
- blocking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
Abstract
The application belongs to the field of automobile manufacturing, and particularly relates to an elastic plugging of a leak tester; the device comprises a bottom plate and at least one elastic plugging module arranged on the bottom plate; the elastic blocking elastic block comprises a connecting block, a blocking block and a locking rod, wherein the blocking block is connected with the bottom plate through the locking rod, the blocking block is connected with the connecting block, an elastic device is arranged between the blocking block and the connecting block, one end of the elastic device is connected with the connecting block, the other end of the elastic device is connected with the blocking block, and the blocking block moves back and forth along the radial direction of the elastic device.
Description
Technical Field
The application belongs to the field of automobile manufacturing, and particularly relates to an elastic plugging of a leak tester.
Background
Along with the development of science, the living standard of people is higher and higher, and the use of automobiles in daily life is more and more popular, so that the automobile becomes one of the necessities of life.
In the current engine factory machining cylinder line, the middle leak tester is one of important detection equipment for detecting whether the casting quality of the inner cavity of a cylinder water channel is defective or not, when the leakage test is carried out, a machine tool seals the surface of a workpiece through a fixture plugging block, and only when the surface characteristics of the workpiece are sealed well, the stability and the reliability of the leakage test can be ensured.
The cylinder body water channel is required by a casting process, so that the number of the surface bosses is large, and when a leakage test is carried out, the cylinder body middle leakage tester is required to simultaneously seal different boss surfaces of the cylinder body water channel. Because the positions and the heights of the boss surfaces of the water channels of all the machine types are different, and the overall dimensions are basically consistent, the whole water channel plugging plate of the leak tester needs to be replaced quickly in order to realize quick replacement of equipment on a production line. The existing plugging plate adopts fixed-length design plugging, the method must ensure that the characteristic surface quality and the height difference of the machined parts in the previous working procedure are stable, but certain errors exist in the machining of the boss surface of the water jacket of the existing cylinder body due to the limitation of the process layout or the difference of cutters, the height difference between the two surfaces is inevitably not a fixed value, thus the plugging compression amount of one surface is very small, the tightness of the plugging plate is poor, misjudgment is caused on a workpiece, and the influence on the leak test FTQ (disposable qualification rate) and the stability of the middle leak tester is very large.
Therefore, a novel elastic plugging of the leak tester is necessary to be designed, so that the leak tester can be suitable for plugging surfaces with different heights.
Disclosure of Invention
The application aims to provide an elastic plugging of a leak tester, and aims to solve the problem that the plugging effect is poor when the existing plugging device encounters non-plane.
The application is realized in such a way that the leakage tester elastic plug comprises a bottom plate and at least one elastic plug module arranged on the bottom plate; the elastic blocking elastic block comprises a connecting block, a blocking block and a locking rod, wherein the blocking block is connected with the bottom plate through the locking rod, the blocking block is connected with the connecting block, an elastic device is arranged between the blocking block and the connecting block, one end of the elastic device is connected with the connecting block, the other end of the elastic device is connected with the blocking block, and the blocking block moves back and forth along the radial direction of the elastic device. The original plugging block is unsealed into the connecting block and the new plugging block, and the elastic device is additionally arranged between the connecting block and the new plugging block, so that the elasticity of the plugging device is realized, and the tightness is improved.
The application further adopts the technical scheme that: the sealing block is provided with an annular sealing ring, and the diameter of the sealing ring is smaller than that of the sealing block. The sealing ring is used for further increasing the air tightness of the plugging device and preventing air leakage.
The application further adopts the technical scheme that: the connecting block top side is equipped with annular spout, the shutoff piece is equipped with the bayonet lock, the bayonet lock embedding in the spout and follow the spout is reciprocating motion. The cooperation of bayonet lock and spout plays direction and spacing effect to the shutoff piece, ensures that the shutoff piece can not drop.
The application further adopts the technical scheme that: and at least one backing ring and a sleeve are arranged between the elastic device and the connecting block, the sleeve is positioned at the lower side of the backing ring, and the elastic device is positioned at the upper side of the backing ring. The elastic force of the elastic device can be adjusted by the number of the backing rings.
The application further adopts the technical scheme that: at least one lock ring is arranged between the lock rod and the bottom plate. The length of the lock rod can be controlled by the lock ring.
The application further adopts the technical scheme that: the lock rod is an inner hexagon head bolt. Low cost and convenient purchase.
The application further adopts the technical scheme that: the elastic device is a spring. Low cost and convenient purchase.
The application further adopts the technical scheme that: the base plate is also provided with at least one inelastic blocking module, the inelastic blocking module consists of inelastic blocking blocks connected with the base plate, inelastic sealing rings are arranged on the inelastic blocking blocks, and the diameter of each inelastic sealing ring is smaller than that of each inelastic blocking block; the height of the inelastic blocking module is smaller than that of the elastic blocking device. The addition of the inelastic blocking module can reduce cost. Because the elastic plugging module is higher, when the sealing surface is required to be uneven, the elastic plugging module can be aligned to seal first, and then the elastic plugging module is pressed to enable other inelastic plugging modules to be plugged.
The application further adopts the technical scheme that: at least one inelastic backing ring is further arranged between the bottom plate and the inelastic blocking block. The height of the inelastic block module can be changed by the inelastic backing ring.
The application further adopts the technical scheme that: the plugging block is also provided with an inflation interface, an air passage is arranged in the plugging block, and the air passage is connected with the inflation interface.
The beneficial effects of the application are as follows: the elastic plugging structure of the leak tester is simple in design, convenient to manufacture and low in cost; the elastic plugging structure has high reliability, reduces the repeated leakage test times of qualified parts, greatly improves the one-time leakage test qualification rate of a leakage test machine, reduces the accumulation of suspicious parts for leakage test in a processing field, reduces the labor intensity of repeated leakage test of staff, and improves the stability and the efficiency of equipment operation; in addition, the elastic plugging structure can automatically adapt to parts with different boss surface quality, reduces equipment failure shutdown and maintenance time, and is convenient to disassemble and assemble in later maintenance; the spring and the connecting parts in the elastic plugging structure are of standard sizes, so that the interchangeability of the parts is high, and the purchasing and the replacement are convenient; the elastic plugging structure is designed and integrated inside the existing plugging block structure, and does not occupy the space of the leakage testing clamp of the machine tool additionally, so that the whole structure of the mechanism is compact, clear and transparent.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
Fig. 1 is a schematic structural diagram of an elastic plug of a leak tester provided by an embodiment of the application.
Fig. 2 is a schematic cross-sectional view of an elastic plugging module according to an embodiment of the present application.
Fig. 3 is a schematic cross-sectional view of a non-elastic plugging module provided by an embodiment of the application.
Fig. 4 is a schematic use diagram of an elastic plug of a leak tester according to an embodiment of the present application.
Reference numerals: 1-a bottom plate; 2-an elastic plugging module; 21-a sealing ring; 22-inflation interface; 23-locking bar; 24-elastic means; 25-plugging blocks; 26-connecting blocks; 27-backing rings; 28-locking ring; 29-airway; 210-sleeve; 211-bayonet; 3-inelastic occlusion modules; 31-an inelastic sealing ring; 32-a non-elastic block; 33-inelastic backing ring.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the application may be practiced. The terms of directions used in the present application, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., refer only to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the application and is not limiting of the application.
Fig. 1 is a schematic structural diagram of an elastic plug of a leak tester provided by an embodiment of the application. As can be seen from fig. 1, the leak tester provided in this example includes a base plate 1, an elastic plugging module 2 and a non-elastic plugging module 3. In this example, only one elastic plugging module is provided to be combined with one inelastic plugging module, but any combination of any elastic plugging module and any inelastic plugging module can be designed according to the needs in the use process.
Fig. 2 is a schematic cross-sectional view of an elastic plugging module according to an embodiment of the present application. It can be seen from the figure that the elastic plugging module comprises a connecting block 26, a plugging block 25 and a locking rod 23, wherein the plugging block is connected with the bottom plate through the locking rod, the plugging block is connected with the connecting block, an elastic device 24 is arranged between the plugging block and the connecting block, one end of the elastic device is connected with the connecting block, the other end of the elastic device is connected with the plugging block, and the plugging block moves back and forth along the radial direction of the elastic device. The original plugging block is unsealed into the connecting block and the new plugging block, and the elastic device is additionally arranged between the connecting block and the new plugging block, so that the elasticity of the plugging device is realized, and the tightness is improved.
As can be seen from fig. 2, the sealing block is provided with an annular sealing ring 21, the diameter of which is smaller than the diameter of the sealing block. The sealing ring is used for further increasing the air tightness of the plugging device and preventing air leakage.
As can be seen from fig. 2, the top side of the connecting block is provided with an annular chute, and the blocking block is provided with a blocking pin 211, which is embedded in the chute and reciprocates along the chute. The cooperation of bayonet lock and spout plays direction and spacing effect to the shutoff piece, ensures that the shutoff piece can not drop.
As can be seen from fig. 2, at least one grommet 27 and a sleeve 210 are also provided between the resilient means and the connection block, the sleeve being located on the underside of the grommet and the resilient means being located on the upper side of the grommet. The elastic force of the elastic device can be adjusted by the number of the backing rings.
As can be seen in fig. 2, at least one locking ring 28 is provided between the locking bar and the base plate. The length of the lock rod can be controlled by the lock ring.
As can be seen from fig. 2, the locking bar is a socket head bolt. Low cost and convenient purchase.
As can be seen from fig. 2, the elastic means is a spring. Low cost and convenient purchase. In the structure of fig. 2, the connecting block is fixedly connected with the bottom plate through the bolt, the height of the sealing block is designed to be higher than that of the hard sealing block, so that after one end of the hard sealing block reaches a stroke, the elastic sealing block is contacted with the surface of another boss, the elastic sealing block can automatically adapt to the adjustment retraction due to the reaction force of the workpiece encountered by the elastic sealing block, the sealing block always ensures good contact with the boss surface under the action of the spring in the connecting block, the compression amount of the sealing ring is ensured, the leakage test result is stable and reliable, the clamping pin can not only ensure good retraction and guide of the sealing block, but also prescribe the retraction displacement amount of the elastic sealing block.
Fig. 3 is a schematic cross-sectional view of a non-elastic plugging module provided by an embodiment of the application. As can be seen from the figure, the inelastic blocking module is composed of an inelastic blocking block 32 connected with the bottom plate, and the inelastic blocking block is provided with an inelastic sealing ring 31, and the diameter of the inelastic sealing ring is smaller than that of the inelastic blocking block; the height of the inelastic blocking module is smaller than that of the elastic blocking device. The addition of the inelastic blocking module can reduce cost. Because the elastic plugging module is higher, when the sealing surface is required to be uneven, the elastic plugging module can be aligned to seal first, and then the elastic plugging module is pressed to enable other inelastic plugging modules to be plugged. The structure is simple, but the compression amount of the sealing ring cannot be guaranteed, and the leak testing stability is poor.
As can be seen in fig. 3, at least one non-elastic grommet 33 is also provided between the base plate and the non-elastic block. The height of the inelastic block module can be changed by the inelastic backing ring.
As can be seen from fig. 2, the plugging block is further provided with an inflation port 22, and an air passage 29 is arranged inside the plugging block and is connected with the inflation port.
Fig. 4 is a schematic use diagram of an elastic plug of a leak tester according to an embodiment of the present application. The method of use of the present solution can be further understood from the figures.
The elastic plugging structure of the leak tester is simple in design, convenient to manufacture and low in cost; the elastic plugging structure has high reliability, reduces the repeated leakage test times of qualified parts, greatly improves the one-time leakage test qualification rate of a leakage test machine, reduces the accumulation of suspicious parts for leakage test in a processing field, reduces the labor intensity of repeated leakage test of staff, and improves the stability and the efficiency of equipment operation; in addition, the elastic plugging structure can automatically adapt to parts with different boss surface quality, reduces equipment failure shutdown and maintenance time, and is convenient to disassemble and assemble in later maintenance; the spring and the connecting parts in the elastic plugging structure are of standard sizes, so that the interchangeability of the parts is high, and the purchasing and the replacement are convenient; the elastic plugging structure is designed and integrated inside the existing plugging block structure, and does not occupy the space of the leakage testing clamp of the machine tool additionally, so that the whole structure of the mechanism is compact, clear and transparent.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (8)
1. The utility model provides a leak testing machine elasticity shutoff which characterized in that: the device comprises a bottom plate and at least one elastic plugging module arranged on the bottom plate; the elastic plugging elastic block comprises a connecting block, a plugging block and a locking rod, wherein the plugging block is connected with the bottom plate through the locking rod, the plugging block is connected with the connecting block, an elastic device is arranged between the plugging block and the connecting block, one end of the elastic device is connected with the connecting block, the other end of the elastic device is connected with the plugging block, the plugging block moves back and forth along the radial direction of the elastic device, an annular sealing ring is arranged on the plugging block, the diameter of the sealing ring is smaller than that of the plugging block, an annular chute is arranged on the top side of the connecting block, a bayonet lock is arranged on the plugging block, and the bayonet lock is embedded into the chute and moves back and forth along the chute.
2. The leak tester elastic plugging of claim 1, wherein: and at least one backing ring and a sleeve are arranged between the elastic device and the connecting block, the sleeve is positioned at the lower side of the backing ring, and the elastic device is positioned at the upper side of the backing ring.
3. The leak tester elastic plugging of claim 1, wherein: at least one lock ring is arranged between the lock rod and the bottom plate.
4. A leak tester elastic plug according to any one of claims 1-3, characterized in that: the lock rod is an inner hexagon head bolt.
5. A leak tester elastic plug according to any one of claims 1-3, characterized in that: the elastic device is a spring.
6. A leak tester elastic plug according to any one of claims 1-3, characterized in that: the base plate is also provided with at least one inelastic blocking module, the inelastic blocking module consists of inelastic blocking blocks connected with the base plate, inelastic sealing rings are arranged on the inelastic blocking blocks, and the diameter of each inelastic sealing ring is smaller than that of each inelastic blocking block; the height of the inelastic blocking module is smaller than that of the elastic blocking device.
7. The leak tester elastic plugging of claim 6, wherein: at least one inelastic backing ring is further arranged between the bottom plate and the inelastic blocking block.
8. A leak tester elastic plug according to any one of claims 1-3, characterized in that: the plugging block is also provided with an inflation interface, an air passage is arranged in the plugging block, and the air passage is connected with the inflation interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211488.6A CN106802216B (en) | 2017-03-31 | 2017-03-31 | Elastic plugging of leak tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211488.6A CN106802216B (en) | 2017-03-31 | 2017-03-31 | Elastic plugging of leak tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106802216A CN106802216A (en) | 2017-06-06 |
| CN106802216B true CN106802216B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710211488.6A Active CN106802216B (en) | 2017-03-31 | 2017-03-31 | Elastic plugging of leak tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106802216B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095229B (en) * | 2019-04-19 | 2020-05-19 | 东风汽车集团有限公司 | Engine leakage test orifice end face plugging mechanism |
| CN113063548A (en) * | 2021-05-18 | 2021-07-02 | 广州市嘉特斯机电制造有限公司 | Cylinder body leakage tester |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012107354A1 (en) * | 2011-02-08 | 2012-08-16 | Aktiebolaget Skf | Sealing arrangement |
| CN203336134U (en) * | 2013-05-30 | 2013-12-11 | 重庆红旗缸盖制造有限公司 | Leakage check seal plugging device |
| CN203606088U (en) * | 2013-11-04 | 2014-05-21 | 上汽通用五菱汽车股份有限公司 | Plugging device of leakage testing machine |
| CN105642007A (en) * | 2016-03-22 | 2016-06-08 | 广州佳贝尔环保有限公司 | Anti-water leakage self locking filter element |
| CN205748812U (en) * | 2016-06-30 | 2016-11-30 | 安徽江淮汽车股份有限公司 | A kind of electromotor water channel leakage test plugging device |
| CN106286003A (en) * | 2016-08-05 | 2017-01-04 | 安徽江淮汽车股份有限公司 | Plugging device |
| CN206756384U (en) * | 2017-03-31 | 2017-12-15 | 上汽通用五菱汽车股份有限公司 | A kind of leakage tester elasticity closure |
-
2017
- 2017-03-31 CN CN201710211488.6A patent/CN106802216B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012107354A1 (en) * | 2011-02-08 | 2012-08-16 | Aktiebolaget Skf | Sealing arrangement |
| CN203336134U (en) * | 2013-05-30 | 2013-12-11 | 重庆红旗缸盖制造有限公司 | Leakage check seal plugging device |
| CN203606088U (en) * | 2013-11-04 | 2014-05-21 | 上汽通用五菱汽车股份有限公司 | Plugging device of leakage testing machine |
| CN105642007A (en) * | 2016-03-22 | 2016-06-08 | 广州佳贝尔环保有限公司 | Anti-water leakage self locking filter element |
| CN205748812U (en) * | 2016-06-30 | 2016-11-30 | 安徽江淮汽车股份有限公司 | A kind of electromotor water channel leakage test plugging device |
| CN106286003A (en) * | 2016-08-05 | 2017-01-04 | 安徽江淮汽车股份有限公司 | Plugging device |
| CN206756384U (en) * | 2017-03-31 | 2017-12-15 | 上汽通用五菱汽车股份有限公司 | A kind of leakage tester elasticity closure |
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| Publication number | Publication date |
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| CN106802216A (en) | 2017-06-06 |
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