CN101886722A - Biconvex weldable blind hole flange - Google Patents
Biconvex weldable blind hole flange Download PDFInfo
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- CN101886722A CN101886722A CN 201010212720 CN201010212720A CN101886722A CN 101886722 A CN101886722 A CN 101886722A CN 201010212720 CN201010212720 CN 201010212720 CN 201010212720 A CN201010212720 A CN 201010212720A CN 101886722 A CN101886722 A CN 101886722A
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- flange
- oil groove
- sealed working
- hole
- working face
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Abstract
The invention relates to a biconvex weldable blind hole flange. The two ends of the flange are respectively provided with a convex first sealed working surface and a convex second sealed working surface; the external side of the convex first sealed working surface is provided with a lower closed thread hole, and the external side of the convex second sealed working surface is provided with an upper closed thread hole; the lower closed thread hole and the upper closed thread hole are not perforative blind holes and the closed holes of the first working surface and the second working surface are staggered in space; and an external cylindrical surface of the flange is taken as a third sealed working surface. The flange in the invention is installed in an inlaid mode; the external cylindrical surface can be welded with other equipment, thereby realizing compact connection structure and solving difficult welding of the flange in a narrow space.
Description
Technical field: the present invention relates to a kind of biconvex weldable blind hole flange.
Background technique: be full of lubricant oil in the oil groove of hydraulic generator machine bearing and cooler is installed, the water-cooling tube of cooler will pass the oil groove wall and guide to the bearing outside.For ease of regular maintenance, the water-cooling tube of cooler and the inwall of oil groove should be demountable structure.The outer wall of leading confession, waste pipe and oil groove of same outside also should be demountable structure.Conventional way is: behind the common prominent face welded flange of welding on the water pipe of oil groove inboard, a tapped hole flange is welded in the position corresponding to this flange on the oil groove inwall; Then according to the main aperture position, center of the welded flange on the oil groove inwall, another tapped hole flange of welding on the oil groove outer wall, last according to the main aperture of the tapped hole flange on the oil groove outer wall and the position of threaded hole, common prominent face welded flange of welding on the water pipe in the oil groove outside, this flange connects in the water pipe in the oil groove outside.All adopt the working seal face seal on the common prominent face welded flange between each flange, the mode of welding is adopted in the fixing and sealing that respectively is welded on tapped hole flange on the oil groove wall and oil groove wall respectively.Because oil groove inner space and narrow and small, the welding of inner tapped hole flange is difficulty very, and seepage takes place easily.And respectively weld a tapped hole flange inside and outside the oil groove, workload is big, and complicated operation has increased the possibility that seepage takes place.
Summary of the invention: the objective of the invention is to disclose a kind of biconvex all as the weldable blind hole flange structure of sealed working face, use in the narrow and small place of installing space that is particluarly suitable for mounting point one side.The object of the present invention is achieved like this: a kind of biconvex weldable blind hole flange, the both ends of the surface of flange are provided with first sealed working face of projection and second sealed working face of projection respectively, threaded hole under the arranged outside of first sealed working face of projection, threaded hole on the arranged outside of second sealed working face of projection, following threaded hole and on close tapped hole and be the blind hole that does not run through, and the joint hole on two sides is the space interlaced arrangement, the external cylindrical surface of flange is as the 3rd sealed working face, and the whole mosaic mode that adopts of flange is welded on the wallboard of other equipment.The working surface of sealing all is processed on the two sides of flange of the present invention, be respectively applied for oil groove in cooler water pipe and outer main of oil groove is connected for, waste pipe, the rubber gasket by routine seals.The bolt hole on flange two sides is blind hole, prevents in screw thread place generation seepage.Flange adopts mosaic mode to be installed on the wallboard of oil groove, utilizes the cylndrical surface of flange to be welded on the fixing and weld seam sealing of realization welding simultaneously on the oil groove wall.When the oil groove inner space is narrow and small when being not easy to weld, can reach the purpose that seepage does not take place only in the welding of the oil groove outside.
The invention has the beneficial effects as follows: adopt the flange of such scheme, by the Plate Steel manufacturing, there is normal main aperture in flange center, processes the seal face of projection in the bi-side of steel plate respectively, and processes the screw thread joint hole that does not run through.The side of flange is cylindrical, doublely fixes and seals usefulness.This flange passes the oil groove wall and utilizes cylindrical sides to be welded on the oil groove wall, taking into account flange fixes and seals, its biconvex sealing surface is connected with cooler water pipe and the outer main companion flange for, waste pipe of oil groove in the oil groove respectively, and the rubber gasket sealing by routine reaches connection and seals the purpose of two equipment.Its advantage is: 1, flange can be connected on the oil groove at a face down bonding of easy-to-operat construction, has solved because the oil groove inner space is narrow and small, and leakage problems takes place the welding difficulty of inner flange easily.2, the tapped hole on flange two sides is a blind hole, and interlaced distribution, prevents to give birth to seepage in the triggering that is threaded, and makes flange arrangement compacter, saves material.3, flange utilizes its cylindrical side to be welded on the oil groove wall, the double simultaneously fixing and weld seam sealing usefulness of welding of doing of cylindrical side.4, flange is a Double-face flange, and a cover welded flange can be reduced by all as sealed working face in the two sides during actual the use, reduce weld seam, is reduced in the weld joint and oozes
The possibility of leaking.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the A-A sectional view of Fig. 1
Fig. 3 is mounting structure figure of the present invention
Embodiment
Biconvex weldable blind hole flange as shown in Figure 1, by the Plate Steel manufacturing, there is normal main aperture in flange center.As shown in Figure 2, the both ends of the surface of flange 6 are provided with first sealed working face 1 of projection and second sealed working face 2 of projection respectively, and the external cylindrical surface of flange is as the 3rd sealed working face 5.Threaded hole 3 under the arranged outside of first sealed working face 1 of projection, threaded hole 4 on the arranged outside of second sealed working face 2 of projection, following threaded hole 3 and on close tapped hole 4 and be the blind hole that does not run through, and the joint hole on two sides is the space interlaced arrangement.As shown in the figure 3, flange has certain thickness, utilize the 3rd sealed working face 5 of flange to be welded in the mounting hole of offering in advance on the oil groove wall, realize fixing and weld seam seal action simultaneously to the welding of flange body, its biconvex first, second sealed working face is connected with cooler water pipe and the outer main companion flange for, waste pipe of oil groove in the oil groove respectively, rubber gasket sealing by routine reaches the purpose that connects and seal two equipment.The welding of flange and oil groove wall can be chosen in a side of easy-to-operat construction and carry out.
As shown in Figure 3, during installation, at first the prominent face welded flange of routine is welded on the water pipe 8 of oil groove inboard, according to the center main aperture on the face welded flange of should dashing forward and the position of closing bolt hole flange 6 of the present invention is welded on the oil groove wall 9 then in oil groove inside.If the welding space in the oil groove is narrow and small, the inconvenience welding can be in the welding of the oil groove outside.Prominent face welded flange on the inboard water pipe 8 of oil groove adopts bolt to put together in the following threaded hole 3 of flange 6 of the present invention, and realizes sealing by first sealed working face 1 on the flange 6 of the present invention.Reach the position of going up threaded hole 4 according to main aperture on the flange 6 of the present invention at last, another prominent face welded flange is welded on the water pipe 7 of the oil groove outside.Prominent face welded flange on the water pipe 7 of the oil groove outside adopts bolt to put together in the last threaded hole 4 of flange 6 of the present invention, realizes sealing by second sealed working face 2 on the flange 6 of the present invention.Flange of the present invention 6 and oil groove adopt the 3rd sealed working face 5 to be welded in the mounting hole on the oil groove wall, realize the fixing and sealing of flange of the present invention.
Claims (1)
1. biconvex weldable blind hole flange, it is characterized in that: (6) both ends of the surface of flange are provided with first sealed working face (1) of projection and second sealed working face (2) of projection respectively, threaded hole (3) under the arranged outside of first sealed working face (1) of projection, threaded hole (4) on the arranged outside of second sealed working face (2) of projection, following threaded hole (3) and on close tapped hole (4) and be the blind hole that does not run through, and the joint hole on two sides is the space interlaced arrangement, the outer peripheral surface of flange is as the 3rd sealed working face (5), and the whole mosaic mode that adopts of flange is welded on the wallboard of other equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010212720 CN101886722A (en) | 2010-06-29 | 2010-06-29 | Biconvex weldable blind hole flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010212720 CN101886722A (en) | 2010-06-29 | 2010-06-29 | Biconvex weldable blind hole flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101886722A true CN101886722A (en) | 2010-11-17 |
Family
ID=43072751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010212720 Pending CN101886722A (en) | 2010-06-29 | 2010-06-29 | Biconvex weldable blind hole flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101886722A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288105A (en) * | 1979-02-21 | 1981-09-08 | Resistoflex Corporation | Pipe union with both pre-load dependent and independent seals |
| US4573527A (en) * | 1983-07-29 | 1986-03-04 | Mcdonough M J | Heat exchanger closure connection |
| DE3933820A1 (en) * | 1989-10-10 | 1991-04-18 | Jobst Hinrich Dr Ing Kerspe | Sealing pipe connection for butt jointed pipe ends - has two separate sealing section rings set in two axially spaced sealing chambers |
| CN2689032Y (en) * | 2004-04-20 | 2005-03-30 | 徐州矿务集团有限公司三河尖煤矿 | Double-face flange |
-
2010
- 2010-06-29 CN CN 201010212720 patent/CN101886722A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288105A (en) * | 1979-02-21 | 1981-09-08 | Resistoflex Corporation | Pipe union with both pre-load dependent and independent seals |
| US4573527A (en) * | 1983-07-29 | 1986-03-04 | Mcdonough M J | Heat exchanger closure connection |
| DE3933820A1 (en) * | 1989-10-10 | 1991-04-18 | Jobst Hinrich Dr Ing Kerspe | Sealing pipe connection for butt jointed pipe ends - has two separate sealing section rings set in two axially spaced sealing chambers |
| CN2689032Y (en) * | 2004-04-20 | 2005-03-30 | 徐州矿务集团有限公司三河尖煤矿 | Double-face flange |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20101117 |