CN112945464A - Automatic expansion and blocking device - Google Patents
Automatic expansion and blocking device Download PDFInfo
- Publication number
- CN112945464A CN112945464A CN202110215282.7A CN202110215282A CN112945464A CN 112945464 A CN112945464 A CN 112945464A CN 202110215282 A CN202110215282 A CN 202110215282A CN 112945464 A CN112945464 A CN 112945464A
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- rod
- cylinder
- gland
- guide sleeve
- circular
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- 230000000903 blocking effect Effects 0.000 title claims description 9
- 210000004907 gland Anatomy 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses an automatic expanding and plugging device which comprises an air cylinder, an air cylinder bracket, a guide sleeve, an expanding rod, a pressing rod, a cylindrical pin, a spring, a limiting sleeve, a gland and a plug, wherein the air cylinder bracket is arranged on the air cylinder bracket; the fixed left side that is located cylinder support of cylinder, guide pin bushing flange joint is on cylinder support's right side, tight pole and cylinder telescopic link all are located inside the guide pin bushing, the right side portion of cylinder telescopic link and the left side portion fixed connection of tight pole that rises, the inside sliding of tight pole that rises is connected with the compression bar, the fixed gland that is equipped with in right side portion of compression bar, be equipped with the spring between the left side portion of compression bar and the inside left side wall of tight pole that rises, the connection cover that slides on the tight pole that rises is equipped with the stop collar, the stop collar is located inside the guide pin bushing, the compression bar left end is equipped with the cylindric lock, the upper and lower both ends of cylindric lock are located the stop collar, the waist type groove that runs through tight pole. The invention has the advantages of convenient sealing, good sealing performance, time saving and cost reduction.
Description
Technical Field
The invention relates to the field of tightness testing devices, in particular to an automatic expansion and blocking device.
Background
At present, in the industry, sealing devices such as cylinder bodies, cylinder covers and gearboxes are generally sealed by adopting direct surface contact or manual tools, so that the surface of a tested device cannot be directly plugged, the test result is poor, and a large amount of time and energy are wasted during sealing.
Disclosure of Invention
The invention aims to provide an automatic expansion and blocking device which has the advantages of convenience in sealing, good sealing performance, time saving and cost reduction.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an automatic stifled device that rises which characterized in that: the device comprises a cylinder, a cylinder bracket, a guide sleeve, a tension rod, a pressing rod, a cylindrical pin, a spring, a limiting sleeve, a gland and a plug;
the cylinder is fixedly arranged on the left side of the cylinder support, the telescopic rod of the cylinder is arranged on the left side of the cylinder support, the guide sleeve is connected to the right side of the cylinder support in a flange manner, a first circular through hole penetrating through the left side part and the right side part of the guide sleeve is formed in the guide sleeve, the right opening of the guide sleeve is four fifths of the diameter of the first circular through hole, the tension rod and the cylinder telescopic rod are both arranged in the guide sleeve, the right side part of the cylinder telescopic rod is fixedly connected with the left side part of the tension rod, a circular chute is formed in the tension rod, a compression rod is connected with the tension rod in a sliding manner, a gland is fixedly arranged on the right side part of the compression rod, a spring is arranged between the left side part of the compression rod and the inner right side wall of the tension rod, a limiting sleeve is connected and sleeved on the tension rod in a sliding manner, the limiting sleeve, the tensioning rod is characterized in that a cylindrical pin is arranged in the second circular through hole, a third circular through hole corresponding to the second circular through hole is formed in the limiting sleeve, the upper end and the lower end of the cylindrical pin are respectively located in the third circular through hole of the limiting sleeve, a waist-shaped groove penetrating through the top and the bottom of the tensioning rod is formed in the left end of the tensioning rod, the center of the waist-shaped groove corresponds to the third circular through hole, and a plug is fixedly arranged between the left side portion of the gland and the right side portion of the tensioning rod.
The preferred scheme is as follows:
preferably: the guide sleeve is cylindrical, a flange plate is fixedly arranged on the left side of the guide sleeve, and a bolt is arranged on the flange plate and fixedly connected with the air cylinder support. The guide sleeve and the cylinder support are connected through the flange plate, and the guide sleeve and the cylinder support are conveniently and fixedly connected.
Preferably: the diameter of the right end of the gland is consistent with the outer diameter of the tension rod, the diameter of the left end of the gland is consistent with the inner diameter of the tension rod, and therefore plugging between the gland and the tension rod is conveniently extruded by the tension rod after the tension rod moves, and the sealing effect is achieved.
Preferably: the diameter of the compression bar is consistent with the inner diameter of the tension bar. The diameter of the compression bar is consistent with the outer diameter of the tension bar, so that the compression bar can conveniently move in the tension bar, and the compression bar is prevented from shaking in the tension bar.
Preferably: the right side portion of compressing tightly the pole is seted up threaded hole, set up the bolt standing groove on the gland, the gland passes through the bolt fastening with compressing tightly the pole. The gland is fixed with the pressing rod through the bolt, so that the gland is convenient to disassemble, and meanwhile, the plugging is convenient to replace.
In conclusion, the invention has the following beneficial effects:
the effect of full sealing can be achieved through the arrangement of plugging; the automatic plugging effect can be achieved through the arrangement of the air cylinder; through the setting of spring and cylindric lock, can play the effect that promotes earlier and compress tightly the pole after promoting the tight pole that rises. The invention has the advantages of convenient sealing, good sealing performance, time saving and cost reduction.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
In the figure, 1, cylinder; 2. a cylinder support; 3. a guide sleeve; 4. a tension rod; 5. a hold down bar; 6. a cylindrical pin; 7. a spring; 8. a limiting sleeve; 9. a gland; 10. plugging; 11. a flange plate; 12. and (4) bolts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
An automatic expanding and blocking device is shown in figure 1 and comprises a cylinder 1, a cylinder support 2, a guide sleeve 3, a tension rod 4, a pressing rod 5, a cylindrical pin 6, a spring 7, a limiting sleeve 8, a gland 9 and a block 10;
the fixed left side that is located cylinder support 2 of cylinder 1, the telescopic link of cylinder 1 is located cylinder support 2, and 3 flange joint in cylinder support 2's right side of guide pin bushing, guide pin bushing 3 are cylindrically, and the left side of guide pin bushing 3 is fixed and is equipped with ring flange 11, is equipped with bolt 12 and cylinder support 2 fixed connection on the ring flange 11. Connect guide pin bushing 3 and cylinder support 2 through ring flange 11, conveniently with guide pin bushing 3 and cylinder support 2 fixed connection, the inside first circular perforation that runs through 3 left side parts of guide pin bushing and right side part of guide pin bushing of seting up of guide pin bushing 3, 3 right side openings of guide pin bushing are four fifths of first circular perforation diameter, tight pole 4 all is located inside guide pin bushing 3 with 1 telescopic link of cylinder, the right side part of 1 telescopic link of cylinder and the left side part fixed connection of tight pole 4 that rises, the inside circular spout of having seted up of tight pole 4 that rises, tight pole 4 inside slide and be connected with compressing tightly pole 5 that rises, the diameter of compressing tightly pole 5 is unanimous with the internal diameter. The diameter of the pressing rod 5 is consistent with the outer diameter of the tension rod 4, the pressing rod 5 can conveniently move in the tension rod 4, so that the pressing rod 5 is prevented from shaking in the tension rod 4, the right side part of the pressing rod 5 is fixedly provided with the gland 9, the diameter of the right end of the gland 9 is consistent with the outer diameter of the tension rod 4, the diameter of the left end of the gland 9 is consistent with the inner diameter of the tension rod 4, the tension rod 4 is convenient to extrude a plug 10 positioned between the gland 9 and the tension rod 4 after moving, a sealing effect is achieved, a spring 7 is arranged between the left side part of the pressing rod 5 and the right side wall of the inner part of the tension rod 4, the tension rod 4 is slidably connected and sleeved with a limiting sleeve 8, the limiting sleeve 8 is positioned in the guide sleeve 3, the outer diameter of the limiting sleeve 8 is consistent with the inner diameter of the guide sleeve 3, the inner diameter of the limiting sleeve 8 is consistent with the outer diameter of the tension, the round through hole of second is equipped with cylindric lock 6, set up the third round perforation corresponding with the round through hole position of second on the stop collar 8, the upper and lower both ends of cylindric lock 6 are arranged in the third round perforation of stop collar 8 respectively, the waist type groove that runs through tight pole 4 top and bottom is seted up to tight pole 4 left end that rises, waist type groove central point puts and corresponds with the third round perforation, it is fixed to be equipped with shutoff 10 between gland 9 left side portion and the tight pole 4 right side portion that rises, the right side portion of compressing tightly pole 5 has seted up the screw hole, the bolt standing groove has been seted up on gland 9, gland 9 passes through bolt 12 with compressing tightly pole 5 and fixes. .
The specific implementation process comprises the following steps:
the telescopic rod of the cylinder 1 extends into the guide sleeve 3, and under the elastic action of the cylindrical pin 6 and the spring 7, the limiting sleeve 8, the pressing rod 5, the tension rod 4, the plug 10, the gland 9 and the spring 7 are firstly pushed to move rightwards together, when the right side part of the limiting sleeve 8 abuts against the opening on the right side of the guide sleeve 3, the limiting sleeve 8, the pressing rod 5 and the gland 9 cannot move, at the moment, the telescopic rod of the cylinder 1 still moves rightwards, due to the action of the waist-shaped groove, the spring 7 is compressed, the tension rod 4 still moves rightwards, the right side part of the tension rod 4 and the left side part of the gland 9 extrude the plug 10, and hole sealing is formed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides an automatic stifled device that rises which characterized in that: the device comprises a cylinder (1), a cylinder bracket (2), a guide sleeve (3), a tension rod (4), a pressing rod (5), a cylindrical pin (6), a spring (7), a limiting sleeve (8), a gland (9) and a plug (10);
the cylinder (1) is fixedly positioned on the left side of the cylinder support (2), a telescopic rod of the cylinder (1) is positioned on the left side of the cylinder support (2), the guide sleeve (3) is connected to the right side of the cylinder support (2) in a flange mode, a first circular perforation penetrating through the left side part and the right side part of the guide sleeve (3) is formed in the guide sleeve (3), the right side opening of the guide sleeve (3) is four fifths of the diameter of the first circular perforation, the tension rod (4) and the telescopic rod of the cylinder (1) are both positioned in the guide sleeve (3), the right side part of the telescopic rod of the cylinder (1) is fixedly connected with the left side part of the tension rod (4), a circular chute is formed in the tension rod (4), a compression rod (5) is connected to the inside in a sliding mode, a gland (9) is fixedly arranged on the right side part of the compression rod (5), and a spring (7) is arranged between the left side part of the compression rod (5) and the, the tensioning rod (4) is slidably connected with a limiting sleeve (8), the limiting sleeve (8) is located inside the guide sleeve (3), a second circular through hole penetrating through the top and the bottom of the tensioning rod (5) is formed in the left end of the tensioning rod (5), a cylindrical pin (6) is arranged in the second circular through hole, a third circular through hole corresponding to the second circular through hole is formed in the limiting sleeve (8), the upper end and the lower end of the cylindrical pin (6) are respectively located in the third circular through hole of the limiting sleeve (8), a waist-shaped groove penetrating through the top and the bottom of the tensioning rod (4) is formed in the left end of the tensioning rod (4), the center position of the waist-shaped groove corresponds to the third circular through hole, and a sealing plug (10) is fixedly arranged between the left side portion of the gland (9) and the right side portion of the tensioning rod (4).
2. The automatic expanding and blocking device as claimed in claim 1, wherein: the guide sleeve (3) is cylindrical, a flange plate (11) is fixedly arranged on the left side of the guide sleeve (3), and a bolt (12) is arranged on the flange plate (11) and is fixedly connected with the cylinder support (2).
3. The automatic expanding and blocking device as claimed in claim 1, wherein: the diameter of the right end of the gland (9) is consistent with the outer diameter of the tension rod (4), and the diameter of the left end of the gland (9) is consistent with the inner diameter of the tension rod (4).
4. The automatic expanding and blocking device as claimed in claim 1, wherein: the diameter of the pressing rod (5) is consistent with the inner diameter of the tension rod (4).
5. The automatic expanding and blocking device as claimed in claim 1, wherein: the right side part of the pressing rod (5) is provided with a threaded hole, the gland (9) is provided with a bolt placing groove, and the gland (9) and the pressing rod (5) are fixed through a bolt (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110215282.7A CN112945464A (en) | 2021-02-25 | 2021-02-25 | Automatic expansion and blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110215282.7A CN112945464A (en) | 2021-02-25 | 2021-02-25 | Automatic expansion and blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112945464A true CN112945464A (en) | 2021-06-11 |
Family
ID=76246345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110215282.7A Pending CN112945464A (en) | 2021-02-25 | 2021-02-25 | Automatic expansion and blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112945464A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105402404A (en) * | 2015-12-22 | 2016-03-16 | 中车戚墅堰机车车辆工艺研究所有限公司 | Tensioning-type inner hole sealing mechanism and application thereof |
| CN106090217A (en) * | 2016-07-08 | 2016-11-09 | 安徽江淮汽车股份有限公司 | Interior swollen plugging device |
| CN109238570A (en) * | 2018-10-16 | 2019-01-18 | 安徽江淮汽车集团股份有限公司 | A kind of opposite plugging mechanism |
| JP2019173776A (en) * | 2018-03-27 | 2019-10-10 | Ntn株式会社 | Hydraulic automatic tensioner |
| CN210108611U (en) * | 2019-06-21 | 2020-02-21 | 东风汽车有限公司 | Plugging mechanism and cylinder body side leakage plugging device |
| CN210863045U (en) * | 2019-12-30 | 2020-06-26 | 广野智能装备南通有限公司 | Plugging device for leakage detection of lower cylinder body |
| CN212482795U (en) * | 2020-07-22 | 2021-02-05 | 大连恒祥科技有限公司 | Internal expansion sealing device for air tightness detection of automobile exhaust pipeline |
-
2021
- 2021-02-25 CN CN202110215282.7A patent/CN112945464A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105402404A (en) * | 2015-12-22 | 2016-03-16 | 中车戚墅堰机车车辆工艺研究所有限公司 | Tensioning-type inner hole sealing mechanism and application thereof |
| CN106090217A (en) * | 2016-07-08 | 2016-11-09 | 安徽江淮汽车股份有限公司 | Interior swollen plugging device |
| JP2019173776A (en) * | 2018-03-27 | 2019-10-10 | Ntn株式会社 | Hydraulic automatic tensioner |
| CN109238570A (en) * | 2018-10-16 | 2019-01-18 | 安徽江淮汽车集团股份有限公司 | A kind of opposite plugging mechanism |
| CN210108611U (en) * | 2019-06-21 | 2020-02-21 | 东风汽车有限公司 | Plugging mechanism and cylinder body side leakage plugging device |
| CN210863045U (en) * | 2019-12-30 | 2020-06-26 | 广野智能装备南通有限公司 | Plugging device for leakage detection of lower cylinder body |
| CN212482795U (en) * | 2020-07-22 | 2021-02-05 | 大连恒祥科技有限公司 | Internal expansion sealing device for air tightness detection of automobile exhaust pipeline |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210611 |