CN201747990U - No-leakage oil opening rotary oil supply device - Google Patents
No-leakage oil opening rotary oil supply device Download PDFInfo
- Publication number
- CN201747990U CN201747990U CN2010205328819U CN201020532881U CN201747990U CN 201747990 U CN201747990 U CN 201747990U CN 2010205328819 U CN2010205328819 U CN 2010205328819U CN 201020532881 U CN201020532881 U CN 201020532881U CN 201747990 U CN201747990 U CN 201747990U
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- Prior art keywords
- oil
- draining passage
- fittings body
- hydraulic fluid
- draining
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Abstract
The utility model discloses a no-leakage oil opening rotary oil supply device which relates to an oil opening oil supply device. The utility model aims to solve the problems that a traditional oil opening oil supply device adopts an external oil drainage port, the external oil drainage port has complicated pipeline connection, poor sealing performance and is easy to leak. A second oil drainage channel and a third oil drainage channel are communicated with a first oil drainage channel; a first oil opening is symmetric with the third oil drainage channel, and a second oil opening is symmetric with the second oil drainage channel; the shaft part of a connector core is arranged in a cast iron sleeve and both are matched with spacing left between; a first circular oil sink is communicated with the second oil drainage channel and the first oil opening, and a second circular oil sink is communicated with the third oil drainage channel and the second oil opening; two fourth oil drainage through holes are communicated with the first oil drainage channel; a first oil channel is communicated with the second circular oil sink, and a second oil channel is communicated with the first circular oil sink; and the second oil drainage channel and the third oil drainage channel are sequentially provided with a one-way valve and a valve seat from inside to outside. The no-leakage oil opening rotary oil supply device is used on a plate rolling machine.
Description
Technical field
The utility model relates to a kind of hydraulic fluid port oil supplying device that is used on the plate bending rolls.
Background technique
Existing hydraulic fluid port oil supplying device is external drain tap structure, promptly connects oil pipe in hydraulic fluid port oil supplying device outside and solves the draining problem, and its shortcoming is: external drain tap pipeline connects complicated, if sealability is bad, leaks easily, causes polluting.
The model utility content
The purpose of this utility model is to adopt external drain tap structure for solving existing hydraulic fluid port oil supplying device, and external drain tap pipeline connects complicated, and sealability is bad, and the problem of leaking provides a kind of nothing to leak the hydraulic fluid port rotating oil supply device easily.
The utility model comprises the joint core, fittings body, preceding gland, rear pressing cover, the cast iron cover, locking nut, two one-way valves, two bearings and two valve seats, the wall thickness upper edge of fittings body is axially arranged with the first draining passage, radially be provided with the second draining passage and the 3rd draining passage that communicate with the first draining passage on the wall thickness of fittings body, radially be provided with first hydraulic fluid port on the wall thickness of fittings body with the 3rd draining passage symmetry, radially be provided with second hydraulic fluid port on the wall thickness of fittings body with the second draining passage symmetry, the cast iron cover is set in the inner chamber of fittings body, the axial region of joint core is arranged in the cast iron cover and the two Spielpassung, the inwall of cast iron cover is provided with and the second draining passage and corresponding first annular oil groove of first hydraulic fluid port, and first annular oil groove all communicates with the second draining passage and first hydraulic fluid port, the inwall of cast iron cover is provided with and the 3rd draining passage and corresponding second annular oil groove of second hydraulic fluid port, and second annular oil groove all communicates with the 3rd draining passage and second hydraulic fluid port, the both ends of the surface that are positioned at the cast iron cover on the wall thickness of fittings body radially are respectively equipped with two the 4th draining through holes that communicate with the first draining passage outward, be respectively equipped with first oil canal and second oil canal on the wall thickness of joint core vertically, and first oil canal communicates with second annular oil groove, second oil canal communicates with first annular oil groove, be positioned at bearing of each suit of the outside of two the 4th draining through holes on the joint core, locking nut is positioned at the rear end of fittings body and is threaded with the joint core, rear pressing cover is arranged on the rear end of fittings body, preceding gland is arranged on the front end of fittings body, preceding gland is sleeved on the joint core, and preceding gland is connected with fittings body by connecting element respectively with rear pressing cover, and the second draining passage and the 3rd draining passage are equipped with an one-way valve and a valve seat from inside to outside successively.
The beneficial effects of the utility model are: one, the utility model has designed the oil duct that communicates with the first draining passage on joint core and fittings body, and in the second draining passage and the 3rd draining passage, be provided with one-way valve, make draining can finish in device inside, and good seal performance, there is not any leakage, avoided pollution, the pipeline that has solved outside drain tap connects complicated problems.Two, the utility model also have safe and reliable, low cost and other advantages.
Description of drawings
Fig. 1 is an overall structure plan view of the present utility model.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, present embodiment comprises joint core 1, fittings body 2, preceding gland 3, rear pressing cover 4, cast iron cover 5, locking nut 6, two one-way valves 7, two bearings 8 and two valve seats 9, the wall thickness upper edge of fittings body 2 is axially arranged with the first draining passage 2-1, radially be provided with the second draining passage 2-2 and the 3rd draining passage 2-3 that communicate with the first draining passage 2-1 on the wall thickness of fittings body 2, radially be provided with the first hydraulic fluid port 2-4 on the wall thickness of fittings body 2 with the 3rd draining passage 2-3 symmetry, radially be provided with the second hydraulic fluid port 2-5 on the wall thickness of fittings body 2 with the second draining passage 2-2 symmetry, cast iron cover 5 is set in the inner chamber of fittings body 2, the axial region of joint core 1 is arranged in the cast iron cover 5 and the two Spielpassung, the inwall of cast iron cover 5 is provided with and the second draining passage 2-2 and the corresponding first annular oil groove 5-1 of the first hydraulic fluid port 2-4, and the first annular oil groove 5-1 all communicates with the second draining passage 2-2 and the first hydraulic fluid port 2-4, the inwall of cast iron cover 5 is provided with and the 3rd draining passage 2-3 and the corresponding second annular oil groove 5-2 of the second hydraulic fluid port 2-5, and the second annular oil groove 5-2 all communicates with the 3rd draining passage 2-3 and the second hydraulic fluid port 2-5, the both ends of the surface that are positioned at cast iron cover 5 on the wall thickness of fittings body 2 radially are respectively equipped with two the 4th draining through hole 2-6 that communicate with the first draining passage 2-1 outward, be respectively equipped with the first oil canal 1-1 and the second oil canal 1-2 on the wall thickness of joint core 1 vertically, and the first oil canal 1-1 communicates with the second annular oil groove 5-2, the second oil canal 1-2 communicates with the first annular oil groove 5-1, be positioned at bearing 8 of each suit of the outside of two the 4th draining through hole 2-6 on the joint core 1, locking nut 6 is positioned at the rear end of fittings body 2 and is threaded with joint core 1, rear pressing cover 4 is arranged on the rear end of fittings body 2, preceding gland 3 is arranged on the front end of fittings body 2, preceding gland 3 is sleeved on the joint core 1, and preceding gland 3 is connected with fittings body 2 by connecting element respectively with rear pressing cover 4, the second draining passage 2-2 and the 3rd draining passage 2-3 are equipped with an one-way valve 7 and a valve seat 9 from inside to outside successively, and two valve seats 9 are threaded with the second draining passage 2-2 and the 3rd draining passage 2-3 respectively.One-way valve 7 open or close the purpose that has played inner draining, can play lubricated and cooling action to bearings at both ends 8 in the time of draining.During use, the front end flange of joint core 1 is connected with oil cylinder on the plate bending rolls, the first interface 1-3 that communicates with the first oil canal 1-1 on the joint core 1 is communicated with the oil nozzle on the oil cylinder, and the second interface 1-4 that communicates with the second oil canal 1-2 on the joint core 1 is communicated with the oil nozzle on the oil cylinder; The first hydraulic fluid port 2-4 and the second hydraulic fluid port 2-5 on the fittings body 2 are communicated with pumping plant respectively.
Embodiment two: present embodiment is described in conjunction with Fig. 1, present embodiment and embodiment one are different is that it also increases rotary oil seal 10 is arranged, rotary oil seal 10 is between preceding gland 3 and the bearing 8 that is adjacent, and rotary oil seal 10 is sleeved on the joint core 1.Rotary oil seal 10 seals.Other composition and annexation are identical with embodiment one.
Working principle of the present utility model: when the first hydraulic fluid port 2-4 is a filler opening, when the second hydraulic fluid port 2-5 is oil outlet, close the one-way valve 7 among the second draining passage 2-2, pressure oil is through the first draining hole 5-1, gap between joint core 1 and the cast iron cover 5, the 4th draining through hole 2-6 of front end, the first draining passage 2-1 enters among the 3rd draining passage 2-3, pressure among the 3rd draining passage 2-3 is raise, when pressure surpasses the spring force of one-way valve 7 in this passage, one-way valve 7 is opened, pressure oil enters among the second annular oil groove 5-2, discharge by the second hydraulic fluid port 2-5 again, finish the draining process; When the first hydraulic fluid port 2-4 be oil outlet, when the second hydraulic fluid port 2-5 is filler opening, close the one-way valve 7 among the 3rd draining passage 2-3, the gap of pressure oil between the second annular oil groove 5-2, joint core 1 and cast iron cover 5, the 4th draining through hole 2-6, the first draining passage 2-1 of rear end enter among the second draining passage 2-2, pressure among the second draining passage 2-2 is raise, when pressure surpasses the spring force of one-way valve 7 in this passage, one-way valve 7 is opened, pressure oil enters among the first draining hole 5-1, discharge by the first draining hole 5-1 again, finish the draining process.
Claims (2)
1. one kind is not had the hydraulic fluid port of leakage rotating oil supply device, described device comprises joint core (1), fittings body (2), preceding gland (3), rear pressing cover (4), cast iron cover (5), locking nut (6), two bearings (8) and two valve seats (9), it is characterized in that: described device also comprises two one-way valves (7), the wall thickness upper edge of fittings body (2) is axially arranged with the first draining passage (2-1), radially be provided with the second draining passage (2-2) and the 3rd draining passage (2-3) that communicate with the first draining passage (2-1) on the wall thickness of fittings body (2), radially be provided with first hydraulic fluid port (2-4) on the wall thickness of fittings body (2) with the 3rd draining passage (2-3) symmetry, radially be provided with second hydraulic fluid port (2-5) on the wall thickness of fittings body (2) with the second draining passage (2-2) symmetry, cast iron cover (5) is set in the inner chamber of fittings body (2), the axial region of joint core (1) is arranged in the cast iron cover (5) and the two Spielpassung, the inwall of cast iron cover (5) is provided with and the second draining passage (2-2) and corresponding first annular oil groove of first hydraulic fluid port (2-4) (5-1), and first annular oil groove (5-1) all communicates with the second draining passage (2-2) and first hydraulic fluid port (2-4), the inwall of cast iron cover (5) is provided with and the 3rd draining passage (2-3) and corresponding second annular oil groove of second hydraulic fluid port (2-5) (5-2), and second annular oil groove (5-2) all communicates with the 3rd draining passage (2-3) and second hydraulic fluid port (2-5), the both ends of the surface that are positioned at cast iron cover (5) on the wall thickness of fittings body (2) radially are respectively equipped with two the 4th draining through holes (2-6) that communicate with the first draining passage (2-1) outward, be respectively equipped with first oil canal (1-1) and second oil canal (1-2) on the wall thickness of joint core (1) vertically, and first oil canal (1-1) communicates with second annular oil groove (5-2), second oil canal (1-2) communicates with first annular oil groove (5-1), be positioned at an outside bearing of each suit (8) of two the 4th draining through holes (2-6) on the joint core (1), locking nut (6) is positioned at the rear end of fittings body (2) and is threaded with joint core (1), rear pressing cover (4) is arranged on the rear end of fittings body (2), preceding gland (3) is arranged on the front end of fittings body (2), preceding gland (3) is sleeved on the joint core (1), and preceding gland (3) is connected with fittings body (2) by connecting element respectively with rear pressing cover (4), and the second draining passage (2-2) and the 3rd draining passage (2-3) are equipped with an one-way valve (7) and a valve seat (9) from inside to outside successively.
2. leak the hydraulic fluid port rotating oil supply device according to the described nothing of claim 1, it is characterized in that: described device also comprises rotary oil seal (10), described rotary oil seal (10) be positioned at preceding gland (3) and the bearing (8) that is adjacent between, and rotary oil seal (10) is sleeved on the joint core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205328819U CN201747990U (en) | 2010-09-17 | 2010-09-17 | No-leakage oil opening rotary oil supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205328819U CN201747990U (en) | 2010-09-17 | 2010-09-17 | No-leakage oil opening rotary oil supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201747990U true CN201747990U (en) | 2011-02-16 |
Family
ID=43582668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205328819U Expired - Fee Related CN201747990U (en) | 2010-09-17 | 2010-09-17 | No-leakage oil opening rotary oil supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201747990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971960A (en) * | 2016-06-30 | 2016-09-28 | 陕西延长石油装备制造有限公司 | Novel hydraulic rotary oil distribution (oil supply) device |
-
2010
- 2010-09-17 CN CN2010205328819U patent/CN201747990U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971960A (en) * | 2016-06-30 | 2016-09-28 | 陕西延长石油装备制造有限公司 | Novel hydraulic rotary oil distribution (oil supply) device |
| CN105971960B (en) * | 2016-06-30 | 2018-05-11 | 陕西延长石油装备制造有限公司 | A kind of novel hydraulic rotation is with oily (fuel feeding) device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20130917 |