CN203686430U - Rotating type pipeline joint part - Google Patents
Rotating type pipeline joint part Download PDFInfo
- Publication number
- CN203686430U CN203686430U CN201420030092.3U CN201420030092U CN203686430U CN 203686430 U CN203686430 U CN 203686430U CN 201420030092 U CN201420030092 U CN 201420030092U CN 203686430 U CN203686430 U CN 203686430U
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- Prior art keywords
- mandrel
- housing
- diameter end
- core shaft
- cover plate
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Abstract
The embodiment of the utility model provides a rotating type pipeline joint part. The rotating type pipeline joint part comprises a cylindrical shell, a core shaft, a bearing end cover and a core shaft cover plate. The rotating type pipeline joint part is characterized in that the core shaft is integrated and is composed of a core shaft small-diameter end and a core shaft large-diameter end; the core shaft cover plate is arranged on the side, provided with an annular groove, of the core shaft large-diameter end in a sleeved mode and can cover an annular lug of the shell. Compared with the prior art, the structure in the prior art is optimized, namely, a two-section type core shaft is improved into the integrated core shaft, the core shaft cover plate is additionally arranged, the connection form between the core shaft and the shell becomes simple, and manufacturing is more convenient. To further improve the high-pressure sealing performance, sealing devices can be additionally arranged between the core shaft cover plate and the shell and between the core shaft cover plate and the core shaft, and the rotating type pipeline joint part is more suitable for the requirements of high-speed and high-pressure rotating type oil ways.
Description
Technical field
The utility model belongs to hydraulic transmission element field, relates in particular to the pipe connector that a kind of hydraulic circuit is rotatably connected.
Background technique
Some need to be driven by hydraulic transmission the worktable of rotation, and because its executive component is on revolving table, and its power end is generally arranged in frame, and this just need to support the use revolving oil-way pipe joint, to complete the connection of oil hydraulic circuit.At present, the rotary oil circuit pipe joint structure complexity on market, maintenance is inconvenient, has brought difficulty to working service.
The patent No. provides a kind of rotary oil circuit pipe distributor for 201210422199.8.Between the core body of this rotary oil circuit pipe distributor and housing, be Spielpassung, add man-hour in manufacture, the more difficult control of this gap value, if excessive in gap, be easy to cause each inlet and outlet of fuel channel intercommunication, and do not have effect; If gap value is too small, can increase again manufacture cost.Meanwhile, due to its axially locating a little less than, can not meet high pressure, High Rotation Speed is joined oily requirement.
The patent No. provides a kind of high-speed rotary oil path distributor for 201320309722.6, and this model utility comprises columnar housing, mandrel, bearing (ball) cover, it is characterized in that: housing is made up of left and right two lobes, and the bottom of two lobes is all with annular ledge; Mandrel is made up of left and right two lobe mandrels, and every lobe all has smaller diameter end and larger diameter end; In housing endoporus, between adjacent filler opening, be provided with seal ring.This model utility mandrel becomes the relative rolling surface with draw-in groove with housing surface of contact, both can reduce surface of contact frictional force, can prevent again the problem of the oil pipe distributor explosion producing with separating of core body because of end ring inefficacy rear case, meet high pressure, High Rotation Speed and joined oily requirement.But because core shaft structure is made up of left and right two lobe mandrels, its complex structure, manufactures installation cost higher.
Summary of the invention
Embodiment of the present utility model provides a kind of rotary pipe connector, easy to manufacture, simple in structure, safe and reliable, can overcome existing Rotatary tube joint unreasonable structure drawback, the oil circuit connectivity problem while being more adapted to high pressure, High Rotation Speed.
For achieving the above object, embodiment of the present utility model adopts following technological scheme:
Embodiment of the present utility model provides a kind of rotary pipe connector, comprises columnar housing, mandrel, bearing (ball) cover, mandrel cover plate, it is characterized in that: described housing is made up of by being connected left and right two lobe housings; The bottom of described left and right housing is with annular ledge; Described mandrel is integrated type, is made up of mandrel smaller diameter end and mandrel larger diameter end; Described mandrel smaller diameter end is positioned at housing, and mandrel larger diameter end is positioned at outside housing, and mandrel and housing concentric; On described housing, along housing outer wall, offer and be communicated with the endoporus of housing and some filler openings of outer wall, and be connected with exterior tube joint; In the endoporus of described housing, along axial direction, at described some filler openings between any two, between filler opening and bearings mounted end face, all offer some seal grooves; On the endoporus of described housing, offer bearing hole, and by bearing, mandrel smaller diameter end is arranged in housing endoporus; End in described mandrel smaller diameter end arranges end ring, to realize the location of bearing; On the axle side of described mandrel smaller diameter end, some oil outlets are set, its position is corresponding with the filler opening on housing respectively; In some seal grooves of described housing, seal ring is installed; The outer oil outlet end of described some oil outlets is opened in mandrel larger diameter end, and can be connected with exterior tube joint; Described bearing (ball) cover is connected and is connected on housing; End face in described mandrel larger diameter end is offered annular groove; At the surface of contact of described annular groove and annular ledge, correspondence is offered several circular grooves respectively; The cross section of described circular groove is semicircle, and ball is installed therein; The annular ledge of housing is arranged in the annular groove of described mandrel larger diameter end; Described mandrel cover plate, is sleeved on mandrel large diameter with annular groove one side, can cover the annular ledge of housing.
Further, described housing is made up of by being connected the left and right two lobe housings of symmetry.
Further, between described housing and mandrel cover plate, be also provided with felt collar.
Further, described mandrel cover plate is fixed by screws on mandrel.
Further, between described mandrel cover plate and mandrel major diameter, be also provided with seal ring.
Further, in the described end face of mandrel larger diameter end and the bottom surface of housing, the corresponding number of offering several circular grooves is 2～4 respectively.
Further, the seal groove of offering on described housing, is " O " type or " V " type groove, and the corresponding seal ring of installing is respectively " O " type or " V " RunddichtringO.
Further, on described housing, the number that some filler openings are set along housing axial direction is 2～4.
Further, the oil outlet of offering on described mandrel, its outer oil outlet end is all in the bottom surface of mandrel larger diameter end.
Further, on the end face of described mandrel larger diameter end, the flange hole of some circle distribution is set.
The rotary pipe connector of one that the utility model embodiment provides, compared with prior art, both retained the advantage of prior art, further optimize again the structure of prior art, that is: change two lobe formula mandrels into integrated type mandrel, set up mandrel cover plate simultaneously, the Connecting format between mandrel and housing is become simply, this gives to manufacture to process and has brought convenience.In order further to increase high-pressure tightness, can between mandrel cover plate and housing, mandrel cover plate and mandrel, set up seal arrangement in addition, make the utility model be more applicable for the rotary oil circuit connection request of high speed, high pressure.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the assembly structure schematic diagram of a kind of rotary pipe connector in the utility model example;
Fig. 2 is the assembly structure schematic diagram with felt collar in the utility model example;
Fig. 3 is the assembly structure schematic diagram with the second seal ring in the utility model example.
In figure: 1-housing; 2-bolt; 3-bearing; 4-mandrel; 5-oil outlet; The 6-the first seal ring; 7-filler opening; 8-exterior tube joint; 10-ball; 11-flange hole; 13-outer oil outlet end; 19-seal groove; 21-bearing (ball) cover; 31-end ring; 41-mandrel smaller diameter end; 42-mandrel larger diameter end; 43-circular groove; 50-annular ledge; 51-annular groove; 100-cover screw; 101-mandrel cover plate; 102-felt collar; The 103-the second seal ring.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
As the utility model embodiment, a kind of rotary pipe connector is provided, as shown in Figure 1, comprise columnar housing 1, mandrel 4, bearing (ball) cover 21, mandrel cover plate 101, it is characterized in that: described housing 1 is made up of by being connected left and right two lobe housings, optimized project is left and right two lobe shell construction symmetries; The bottom of described left and right housing is with annular ledge 50; Described mandrel 4 comprises mandrel smaller diameter end 41 and mandrel larger diameter end 42; Described mandrel smaller diameter end 41 is positioned at housing 1, and mandrel larger diameter end 42 is positioned at outside housing 1, and mandrel 4 and housing 1 concentric; On described housing 1, to offer the some filler openings 7 that are communicated with endoporus and outer wall, and be connected with exterior tube joint 8, the quantity of filler opening 7 can be 2～4; In the endoporus of described housing 1, along axial direction, at described some filler openings 7 between any two, between filler opening 7 and bearings mounted end face, all offer some seal grooves 19; End face in described mandrel larger diameter end 42 is offered annular groove 51; At the surface of contact of described annular groove 51 and annular ledge 50, correspondence is offered several circular grooves 43 respectively, and its quantity can be 1～4; The cross section of described circular groove 43 is semicircle, and ball 10 is installed therein; The annular ledge 50 of housing 1 is arranged in the annular groove 51 of described mandrel larger diameter end 42; On the endoporus of described housing 1, offer bearing hole, and by bearing 3, mandrel smaller diameter end 41 is arranged in housing 1 endoporus; End in described mandrel smaller diameter end 41 arranges end ring 31, to realize the location of bearing 3; On the axle side of described mandrel smaller diameter end 41, some oil outlets 5 are set, its position is corresponding with the filler opening 7 on housing 1 respectively; At interior installation first seal ring 6 of some seal grooves 19 of described housing 1, prevent adjacent two oil outlet 5 intercommunications and prevent to outside leakage of oil, the first seal ring 6 can be " O " type, " V " type or other form seal rings; The outer oil outlet end 13 of described some oil outlets 5 is opened in mandrel larger diameter end 42, and is connected with exterior tube joint 8; Described bearing (ball) cover 21 is connected and is connected on housing 1 by bolt 2, to realize the axially locating of bearing 3 and to prevent dust; Described mandrel cover plate 101, can be threaded connection, as screw, bolt or outside offering respectively on mandrel and mandrel cover plate, the mode such as internal thread, be sleeved on mandrel major diameter 42 with annular groove 51 1 sides, can cover the annular ledge 50 of housing 1.
Further, on the end face of described mandrel larger diameter end 42, the flange hole 11 of some circle distribution is set, fixes this rotary pipe connector in other revolving parts for installing.
Further, the oil outlet 5 of offering on described mandrel 4, its outer oil outlet end 13 is all in the bottom surface of mandrel larger diameter end 42.
In order to increase high-pressure tightness, can be as shown in Figure 2, between mandrel cover plate 101 and housing 1, set up the sealing configuration of felt collar 102, also can on the architecture basics of Fig. 2, further change structure as shown in Figure 3 into, that is: between mandrel cover plate 101 and mandrel 4, set up the second seal ring 103.
The above; it is only the utility model embodiment; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art of the present technique the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Protection domain of the present utility model should being as the criterion with described claim.
Claims (10)
1. a rotary pipe connector, comprises columnar housing, mandrel, bearing (ball) cover, mandrel cover plate, it is characterized in that: described housing is made up of by being connected left and right two lobe housings; The bottom of described left and right housing is with annular ledge;
Described mandrel is integrated type, is made up of two sections of mandrel smaller diameter end and mandrel larger diameter end; Described mandrel smaller diameter end is positioned at housing, and mandrel larger diameter end is positioned at outside housing, and mandrel and housing concentric;
On described housing, along housing outer wall, offer and be communicated with the endoporus of housing and some filler openings of outer wall, and be connected with exterior tube joint; In the endoporus of described housing, along axial direction, at described some filler openings between any two, between filler opening and bearings mounted end face, all offer some seal grooves;
On the endoporus of described housing, offer bearing hole, and by bearing, mandrel smaller diameter end is arranged in housing endoporus; End in described mandrel smaller diameter end arranges end ring, to realize the location of bearing; On the axle side of described mandrel smaller diameter end, some oil outlets are set, its position is corresponding with the filler opening on housing respectively; In some seal grooves of described housing, seal ring is installed;
The outer oil outlet end of described some oil outlets is opened in mandrel larger diameter end, and can be connected with exterior tube joint; Described bearing (ball) cover is connected and is connected on housing;
End face in described mandrel larger diameter end is offered annular groove; At the surface of contact of described annular groove and annular ledge, correspondence is offered several circular grooves respectively; The cross section of described circular groove is semicircle, and ball is installed therein;
The annular ledge of housing is arranged in the annular groove of described mandrel larger diameter end;
Described mandrel cover plate, is sleeved on mandrel large diameter with annular groove one side, can cover the annular ledge of housing.
2. the rotary pipe connector of one according to claim 1, is characterized in that: described housing is made up of by being connected the left and right two lobe housings of symmetry.
3. the rotary pipe connector of one according to claim 2, is characterized in that: between described housing and mandrel cover plate, be also provided with felt collar.
4. the rotary pipe connector of one according to claim 1, is characterized in that: described mandrel cover plate is fixed by screws on mandrel.
5. the rotary pipe connector of one according to claim 3, is characterized in that: between described mandrel cover plate and mandrel major diameter, be also provided with seal ring.
6. the rotary pipe connector of one according to claim 1, is characterized in that: in the described end face of mandrel larger diameter end and the bottom surface of housing, the corresponding number of offering several circular grooves is 2～4 respectively.
7. the rotary pipe connector of one according to claim 1, is characterized in that: the seal groove of offering on described housing is " O " type or " V " type groove, and the corresponding seal ring of installing is respectively " O " type or " V " RunddichtringO.
8. further, on described housing, the number that some filler openings are set along housing axial direction is 2～4.
9. the rotary pipe connector of one according to claim 1, is characterized in that: the oil outlet of offering on described mandrel, its outer oil outlet end is all in the bottom surface of mandrel larger diameter end.
10. the rotary pipe connector of one according to claim 1, is characterized in that: on the end face of described mandrel larger diameter end, the flange hole of some circle distribution is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030092.3U CN203686430U (en) | 2014-01-18 | 2014-01-18 | Rotating type pipeline joint part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030092.3U CN203686430U (en) | 2014-01-18 | 2014-01-18 | Rotating type pipeline joint part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686430U true CN203686430U (en) | 2014-07-02 |
Family
ID=51008328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420030092.3U Expired - Fee Related CN203686430U (en) | 2014-01-18 | 2014-01-18 | Rotating type pipeline joint part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203686430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738789A (en) * | 2016-12-22 | 2017-05-31 | 浙江双林机械股份有限公司 | Plastic corrugated pipe molding machine cooling device |
-
2014
- 2014-01-18 CN CN201420030092.3U patent/CN203686430U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738789A (en) * | 2016-12-22 | 2017-05-31 | 浙江双林机械股份有限公司 | Plastic corrugated pipe molding machine cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20160118 |
|
| EXPY | Termination of patent right or utility model |