CN204789163U - Hydrostatic test seals air bleeder - Google Patents
Hydrostatic test seals air bleeder Download PDFInfo
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- CN204789163U CN204789163U CN201520495253.0U CN201520495253U CN204789163U CN 204789163 U CN204789163 U CN 204789163U CN 201520495253 U CN201520495253 U CN 201520495253U CN 204789163 U CN204789163 U CN 204789163U
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- sealing means
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Abstract
The utility model discloses a hydrostatic test seals air bleeder for have the hydrostatic test of the spare part of first end and the second end, the first end has first port, and the second end has the second port, hydrostatic test seals air bleeder includes a fixed plate and a water course section of thick bamboo, the fixed plate has the perforating hole, and the fixed plate passes through the fixed cover of perforating hole to be established outside a water course section of thick bamboo, and the fixed plate is laminated mutually with the terminal surface of the first end of spare part and be sealed, the one end and the first port intercommunication of the hole of a water course section of thick bamboo, other end shutoff makes the hole form the blind hole, sets up the radial hole that communicates with the hole on the outer wall of a water course section of thick bamboo, and radial hole is equipped with the shutoff part. The utility model discloses can seal the spare part that need carry out hydrostatic test, air that the cavity inner product that can emit spare part was again completely stayed is guaranteed that nos air is long -pending in the cavity to stay, makes the process of the test, can guarantee pressure stability, and spare part has the defect also directly perceivedly to reflect, and the operator of being convenient for discovers, can fine assurance end cover quality.
Description
Technical field
The utility model relates to a kind of means of deflation, particularly relates to a kind of hydraulic testing sealing means of deflation.
Background technology
Flame-proof type explosion-proof motor, needs to form each parts of shell to it and carries out the hydraulic testing, to verify the pressure that can shell effectively bear motor internal and produce because of combustible gas explosion.The hydraulic testing is divided into dynamic pressure experiment and static pressure test usually, in batch production, and many employing static pressure tests and the hydraulic testing.
Wherein in the hydraulic testing of the end cap as a shell part, most manufacturer, adopt the one end open of direct end cover, carry out the hydraulic testing by the other end opening of end cap to the mode of water filling in the cavity of end cap, because end cap cavity is comparatively large, has more air in cavity and accumulate at the top of end cap cavity, can not discharge completely, in pressure maintaining period, accumulating air in cavity can be partially soluble in water under stress, and the pressure in chamber is diminished gradually; Or when end cap there being less defect, the air accumulated in cavity also can be discharged gradually, makes pressure diminish gradually, therefore just cannot judge that whether end cover structure performance is qualified, affects the correct judgement of the hydraulic testing to component structural performance.
Utility model content
In view of the above-mentioned problems in the prior art, technical problem to be solved in the utility model is to provide a kind of hydraulic testing sealing means of deflation, it can to when needing the parts of the hydraulic testing to test, release the gas in it, enable the structural behaviour of hydraulic testing accurate response parts.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme: hydraulic testing sealing means of deflation, and for the hydraulic testing of parts, described parts have first end and the second end, described first end has the first port, and described the second end has the second port; Described hydraulic testing sealing means of deflation comprises fixed head and has the water channel cylinder of endoporus;
Described fixed head has through hole, and it is outer and fix with described water channel cylinder that described fixed head is set in described water channel cylinder by described through hole, and the wherein one side of described fixed head is affixed to merge with the end face of the first end of described parts and seals;
One end of the endoporus of described water channel cylinder is communicated with described first port, other end shutoff, and make described endoporus form blind hole, the outer wall of described water channel cylinder offers the radial hole be communicated with described endoporus, described radial hole is provided with plugging part.
As preferably, described plugging part comprises the pipeline be connected on described radial hole and the operation valve be arranged on described pipeline.
As preferably, described operation valve is water gas valve; Described radial hole is threaded hole, and one end of described pipeline is provided with the external thread be connected with described threaded hole, and the other end is provided with the internal thread be threaded with described water gas valve.
As preferably, between the first end of described fixed head and described parts, being provided with seal pad, on described seal pad, offering the through hole for making the endoporus of described water channel cylinder be communicated with described first port.
As preferably, be bolted between described fixed head, seal pad and first end.
As preferably, described first end is provided with circle first threaded hole around described first port;
Described fixed head and seal pad are annular plate, described through hole and through hole are circular hole, offer corresponding multi-turn second threaded hole on described fixed head and seal pad, on the axis that the center of circle of circle that described second threaded hole of each circle surrounds all is positioned at the through hole of described fixed head, described bolt is arranged in the connection that the first corresponding threaded hole and the second threaded hole realize described fixed head, seal pad and first end.
As preferably, the profile of described water channel cylinder is cylindric, and the cross section of described first port is circular, and the bore of described first port is greater than the aperture of described through hole, and the aperture of described through hole is greater than the external diameter of described water channel cylinder.
As preferably, described seal pad is offset plate.
As preferably, described parts are the end cap of flame-proof type explosion-proof motor.
Compared with prior art, the beneficial effect of hydraulic testing sealing means of deflation of the present utility model is: it can seal the parts needing to carry out the hydraulic testing, the air accumulated in the cavity of parts can be released completely again, ensure to accumulate without air in cavity, make in process of the test, can ensure pressure stability, parts defectiveness also can intuitively reflect, convenient operation person finds, can ensure end cap quality very well.In addition, hydraulic testing sealing means of deflation of the present utility model also has advantage simple to operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hydraulic testing of the present utility model sealing means of deflation.
Fig. 2 is the structural representation that the hydraulic testing of the present utility model sealing means of deflation is applied on flame-proof type explosion-proof motor.
Fig. 3 is the structural representation that the fixed head in the hydraulic testing of the present utility model sealing means of deflation combines with water channel cylinder.
Fig. 4 is the structural representation of the pipeline in the hydraulic testing of the present utility model sealing means of deflation.
Fig. 5 is the structural representation of the fixed head in the hydraulic testing of the present utility model sealing means of deflation.
Description of reference numerals
1-first end 2-the second end
3-first port 4-second port
5-end cap 6-fixed head
7-water channel cylinder 8-through hole
9-endoporus 10-radial hole
11-pipeline 12-water gas valve
13-seal pad 14-external thread
15-internal thread 16-through hole
17-bolt 18-first threaded hole
19-second threaded hole
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
As shown in Figure 1, the hydraulic testing of the present utility model sealing means of deflation, for the hydraulic testing of parts, described parts can be such as the end cap of flame-proof type explosion-proof motor, also can need equipment or the parts of the hydraulic testing for other.The present embodiment is described for the end cap 5 of flame-proof type explosion-proof motor, and specifically see Fig. 2, end cap 5 has first end 1 and the second end 2, and first end 1 has the first port 3, and the second end 2 has the second port 4.
Continue composition graphs 1, hydraulic testing sealing means of deflation of the present utility model comprises fixed head 6 and has the water channel cylinder 7 of endoporus 9, fixed head 6 has through hole 8 (see Fig. 5), it is outer and fixing with water channel cylinder 7 that fixed head 6 is set in water channel cylinder 7 by through hole 8, and in the present embodiment, fixed head 6 and water channel cylinder 7 utilize the mode of welding to be fixed together (see Fig. 3).The wherein one side of fixed head 6 is affixed to merge with the end face of the first end 1 of end cap 5 and seals.One end of the endoporus 9 of water channel cylinder 7 is communicated with the first port 3, other end shutoff.Namely endoporus 9 is a blind hole, and the outer wall of water channel cylinder 7 offers the radial hole 10 be communicated with endoporus 9, radial hole 10 is provided with plugging part.The two ends of water channel cylinder 7 all can protrude from the two sides of fixed head 6, also can the wherein one side of wherein one end and fixed head 6 concordant, shown in the present embodiment is one end of water channel cylinder 7 and the wherein simultaneously concordant of fixed head 6.If the two ends of water channel cylinder 7 all protrude from fixed head 6, then, when fixed head 6 fits with first end 1, water channel cylinder 7 extend in the first port 3.
As a kind of preferred version of the present utility model, as depicted in figs. 1 and 2, plugging part comprises the pipeline 11 be connected on radial hole 10 and the operation valve be arranged on pipeline 11.What the operation valve in the present embodiment adopted is water gas valve 12.In order to make, pipeline 11 and radial hole 10 are convenient to be connected, in the present embodiment, radial hole 10 is threaded hole, one end of pipeline 11 is provided with the external thread 14 be connected with threaded hole, the other end is provided with internal thread 15 (see Fig. 4), water gas valve 12 is threadedly connected to the other end of pipeline 11, specifically see Fig. 1 and Fig. 2.
As shown in Fig. 4 and Fig. 1 and Fig. 2, the internal diameter of pipeline 11 is less than 1/3rd of its external diameter, and namely the internal diameter of pipeline 11 is less.In addition, the aperture of the endoporus 9 of water channel cylinder 7 is less than 1/3rd of the external diameter of water channel cylinder 7.And the internal diameter of pipeline 11 should be less than the aperture of endoporus 9.To be conducive to the discharge of air in end cap 5, and easily control current.
When being used as the hydraulic testing, first fixed head 6 to be fitted tightly on the end face of first end 1 and with first end 1 fixing seal.End cap 5 is placed on hydraulic equipment platform, makes the second port 4 of end cap 5 be close to hydraulic equipment platform, and put hold down gag on end cap 5, compress end cap 5 and second port 4 is sealed with hydraulic equipment platform.Water filling in end cap 5, to fetch boiling water gas valve 12 simultaneously, when water gas valve 12 there are flowing out, at once water gas valve 12 is closed, continue water filling, when water injection pressure reaches setup pressure value, hydraulic equipment enters packing state automatically, observes tensimeter upward pressure value and is in steady state (SS) and keeps being eligible state in 12 seconds.If force value decline, then observe end cap whether there is seepy question, if assembling cause leak, need re-assembly after again test, if the problem of end cap own cause leak then represent end cap defective.
The hydraulic testing of the present utility model is adopted to seal means of deflation, can end cover, the air that end cap inner product is stayed can be released again completely, in process of the test, pressure stability can be ensured, intuitively can reflect the defect of the equipment such as end cap or part, end cap quality can be ensured very well, and simple to operation during the hydraulic testing.
In order to make the sealing effectiveness between the first end 1 of fixed head 6 and end cap 5 better, as another kind of preferred version of the present utility model, continue composition graphs 1, seal pad 13 is provided with between the first end 1 of fixed head 6 and end cap 5, seal pad 13 offers the through hole 16 for making the endoporus 9 of water channel cylinder 7 be communicated with the first port 3, the seal pad 13 in the present embodiment is offset plate.
Fixed head 6 in the present embodiment, to be achieved a fixed connection by bolt 17 between seal pad 13 and first end 1.The shape of fixed head 6 and seal pad 13 is not limit, as long as can seal the first port 3 and the endoporus 9 of water channel cylinder 7 can be made to be communicated with the first port 3.Shape due to the first port 3 of end cap 5 is circular, and the fixed head 6 in the present embodiment and seal pad 13 all adopt annular plate, and through hole 8 and through hole 16 are circular hole.Because the bore of the first port of different parts exists difference in size, can be connected from the first end 1 of first port 3 with different bore is convenient with seal pad 13 to make fixed head 6, as shown in Figure 5, fixed head 6 and seal pad 13 offer corresponding multi-turn second threaded hole 19, and the center of circle of the second threaded hole 19 place circle on fixed head 6 is all positioned on the axis of through hole 8 of fixed head 6.The fixed head 6 of the present embodiment is provided with four circle second threaded holes 19, and wherein the second threaded hole 19 of outmost turns is four, and other three circles are three the second threaded holes 19, and from inner ring to outer ring, the aperture of the second threaded hole 19 increases gradually.Seal pad 13 in the present embodiment is also provided with four circle second threaded holes 19, the center of circle of the circle that the second threaded hole 19 on seal pad 13 surrounds all is positioned on the axis of through hole 16 of seal pad 13, when on the end cap 5 that fixed head 6 and seal pad 13 are assemblied in flame-proof type explosion-proof motor, the center of circle of the circle that the second threaded hole 19 on seal pad 13 surrounds is also on the axis of the through hole 8 of fixed head 6.First end 1 is provided with circle first threaded hole 18, and when the bore of the first port 3 is larger, fixed head 6 is relative with the first threaded hole 18 with the second threaded hole 19 of the outer ring of seal pad 13 and wear bolt 17 and realize fixing; When the bore of the first port 3 is less, fixed head 6 is relative with the first threaded hole 18 with the second threaded hole 19 of the inner ring of seal pad 13 and wear bolt 17 and realize fixing.Namely for the first port 3 that bore is different, the fixing of fixed head 6, seal pad 13 and first end 1 is realized by by the second different threaded holes 19 is corresponding with the first threaded hole 18.
As shown in Figure 1 to Figure 3, the profile of water channel cylinder 7 is cylindric, and the cross section of the first port 3 is circular, and the bore of the first port 3 is greater than the aperture of through hole 16, and the aperture of through hole 16 is greater than the external diameter of water channel cylinder 7.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (9)
1. hydraulic testing sealing means of deflation, for the hydraulic testing of parts, described parts have first end and the second end, and described first end has the first port, and described the second end has the second port; It is characterized in that, described hydraulic testing sealing means of deflation comprises fixed head and has the water channel cylinder of endoporus;
Described fixed head has through hole, and it is outer and fix with described water channel cylinder that described fixed head is set in described water channel cylinder by described through hole, and the wherein one side of described fixed head is affixed to merge with the end face of the first end of described parts and seals;
One end of the endoporus of described water channel cylinder is communicated with described first port, other end shutoff, and make described endoporus form blind hole, the outer wall of described water channel cylinder offers the radial hole be communicated with described endoporus, described radial hole is provided with plugging part.
2. hydraulic testing sealing means of deflation according to claim 1, it is characterized in that, described plugging part comprises the pipeline be connected on described radial hole and the operation valve be arranged on described pipeline.
3. hydraulic testing sealing means of deflation according to claim 2, it is characterized in that, described operation valve is water gas valve; Described radial hole is threaded hole, and one end of described pipeline is provided with the external thread be connected with described threaded hole, and the other end is provided with the internal thread be threaded with described water gas valve.
4. hydraulic testing sealing means of deflation according to claim 1, it is characterized in that, being provided with seal pad between the first end of described fixed head and described parts, on described seal pad, offering the through hole for making the endoporus of described water channel cylinder be communicated with described first port.
5. hydraulic testing sealing means of deflation according to claim 4, is characterized in that, be bolted between described fixed head, seal pad and first end.
6. hydraulic testing sealing means of deflation according to claim 5, is characterized in that, described first end is provided with circle first threaded hole around described first port;
Described fixed head and seal pad are annular plate, described through hole and through hole are circular hole, offer corresponding multi-turn second threaded hole on described fixed head and seal pad, on the axis that the center of circle of circle that described second threaded hole of each circle surrounds all is positioned at the through hole of described fixed head, described bolt is arranged in the connection that the first corresponding threaded hole and the second threaded hole realize described fixed head, seal pad and first end.
7. hydraulic testing sealing means of deflation according to claim 5, it is characterized in that, the profile of described water channel cylinder is cylindric, and the cross section of described first port is circular, the bore of described first port is greater than the aperture of described through hole, and the aperture of described through hole is greater than the external diameter of described water channel cylinder.
8. hydraulic testing sealing means of deflation according to claim 4, it is characterized in that, described seal pad is offset plate.
9. hydraulic testing sealing means of deflation according to any one of claim 1 to 8, it is characterized in that, described parts are the end cap of flame-proof type explosion-proof motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495253.0U CN204789163U (en) | 2015-07-08 | 2015-07-08 | Hydrostatic test seals air bleeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495253.0U CN204789163U (en) | 2015-07-08 | 2015-07-08 | Hydrostatic test seals air bleeder |
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| Publication Number | Publication Date |
|---|---|
| CN204789163U true CN204789163U (en) | 2015-11-18 |
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ID=54529182
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520495253.0U Active CN204789163U (en) | 2015-07-08 | 2015-07-08 | Hydrostatic test seals air bleeder |
Country Status (1)
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| CN (1) | CN204789163U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606310A (en) * | 2015-12-24 | 2016-05-25 | 江苏金通灵流体机械科技股份有限公司 | Special water inlet and air exhaust device for cylinder water pressure test |
| CN106323752A (en) * | 2015-07-08 | 2017-01-11 | 安徽明腾永磁机电设备有限公司 | Hydraulic pressure test seal air bleeder |
| CN109443634A (en) * | 2018-12-25 | 2019-03-08 | 四川优机实业股份有限公司 | Laminated structure is surveyed in sealing |
-
2015
- 2015-07-08 CN CN201520495253.0U patent/CN204789163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323752A (en) * | 2015-07-08 | 2017-01-11 | 安徽明腾永磁机电设备有限公司 | Hydraulic pressure test seal air bleeder |
| CN105606310A (en) * | 2015-12-24 | 2016-05-25 | 江苏金通灵流体机械科技股份有限公司 | Special water inlet and air exhaust device for cylinder water pressure test |
| CN109443634A (en) * | 2018-12-25 | 2019-03-08 | 四川优机实业股份有限公司 | Laminated structure is surveyed in sealing |
| CN109443634B (en) * | 2018-12-25 | 2024-06-04 | 四川优机实业股份有限公司 | Sealing pressure measuring structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |