CN202708467U - High-pressure oil line protective pipe - Google Patents
High-pressure oil line protective pipe Download PDFInfo
- Publication number
- CN202708467U CN202708467U CN 201220319755 CN201220319755U CN202708467U CN 202708467 U CN202708467 U CN 202708467U CN 201220319755 CN201220319755 CN 201220319755 CN 201220319755 U CN201220319755 U CN 201220319755U CN 202708467 U CN202708467 U CN 202708467U
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- oil
- oil pipe
- link
- pipe
- pressure oil
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Abstract
The utility model provides a high-pressure oil line protective pipe, belongs to the technical field of pipe connection, and solves the problems that an existing high-pressure oil line protective pipe is poor in protection effect and the like. The high-pressure oil line protective pipe comprises an oil pipe and two oil pipe connectors which are respectively positioned at two ends of the oil pipe, the oil pipe is connected with the oil pipe connectors through adapting pieces, the oil pipe is fixedly connected with the adapting pieces in tightly-matched mode, the oil pipe connectors are movably sleeved on the adapting pieces, the whole oil pipe is provided with a metal bellows in sleeved mode, and the end portion of the metal bellows is fixedly connected with the adapting pieces through connection sleeves. The high-pressure oil line protective pipe has the advantages of being high in firmness degree, good protection effect and the like.
Description
Technical field
The utility model belongs to the pipeline connection technology field, relates to a kind of high-pressure oil passage protective tube.
Background technique
Hydraulic oil pipe in the hydraulic system of the equipment such as present hydraulic machine; and large-scale engineering machinery; such as the hydraulic oil pipe in the hydraulic systems such as excavator, loader, road roller; usually adopt the inside and outside two-layer structure of rubber pipe; the rubber external protection since with direct contact of fluid or machining object etc., cause easily the quick aging of rubber external protection, and the destruction of being caused by friction, cutting etc.; causing inner tube is breaking of high-pressure oil passage pipe, and this kind structure is to the protection weak effect of oil pipe inner tube.
For the problem that exists, people have made improvement miscellaneous, and some has also applied for patent, and for example the Chinese patent literature data discloses the hydraulic oil pipe [patent No.: 201120040277.9; Notice of authorization number: CN201944446U], it comprises oil pipe, oil connection, the two ends of oil pipe all are fixed with oil connection, also be set with spring protecting sleeve on the oil pipe, the two ends of oil pipe and close oil connection place all have sleeve, spring protecting sleeve is between two sleeves, and the two ends, the left and right sides of spring protecting sleeve all are tight against on sleeve.
Above-mentioned hydraulic oil pipe is set with metallic material at oil pipe and makes spring protecting sleeve; play to a certain extent the effect of protection oil pipe; make oil pipe not poked by the sharp protrusion thing; but the oil circuit of this kind spring protection; sleeve is pressed in the oil connection place by spring top; do not adopt the connecting means of machinery; join strength is low; slightly there is external force just the metal spring protecting jacket can be pulled open, makes the oil circuit inner tube at sleeve and oil connection place be exposed to the outside, very easily rubbed; cutting etc.; cause breaking of oil line pipe; protect weak effect, thereby make precise decreasing or the damage of equipment, cause equipment not use continuously normally.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and a kind of effective high-pressure oil passage protective tube of protecting is provided.
The purpose of this utility model can realize by following technical proposal: a kind of high-pressure oil passage protective tube; comprise an oil pipe and two oil connections; described oil connection lays respectively at the two ends of oil pipe; it is characterized in that; described oil pipe is connected by link with oil connection; described oil pipe and link drive fit are connected; described oil connection is actively socketed on the link; the described whole sheathed metal bellows of oil pipe, the end of described metal bellows is connected mutually by connecting sleeve and link.
The whole sheathed metal bellows of oil pipe of this high-pressure oil passage protective tube separates oil pipe and the external world, avoids oil pipe directly to contact with extraneous, and oil pipe is shielded, and protects effective.One end of link inserts in the oil pipe, and the other end is socketed with movable oil connection, and the oil nozzle of oil connection and machine tool etc. is connected, and plays the effect of delivering oil.Metal bellows and the connecting sleeve of this high-pressure oil passage protective tube are connected, and connecting sleeve is connected with link again, and metal bellows and link machinery are connected, and are set in all the time outside the oil pipe, and join strength is high, protects effective.
In above-mentioned a kind of high-pressure oil passage protective tube; described link is tubular; the slideproof tooth that the outer surface of described link one end has ring-type; the port of the other end has the gear of protrusion along one; has gear in the middle of the outer surface of described link along two, described gear along one with gear groove of formation between two.Link has the through hole that runs through along its axial centre, it is the passage of delivering oil, the outer surface of one end has the slideproof tooth of ring-type, this slideproof tooth inserts in the oil pipe, be connected with oil pipe, oil pipe has elasticity, and slideproof tooth has increased the area of contact between oil pipe and the link, the firm degree that link is connected with oil pipe is high, good sealing effect; The port of the other end of link has the gear of protrusion along one, and the centre has the gear of protrusion along two, gear along one height greater than the height of gear along two, gear along one and gear between two, form a groove.
In above-mentioned a kind of high-pressure oil passage protective tube, described oil connection is the outer-hexagonal nut, and an end of described oil connection has shoulder block one.The shoulder block one of oil connection is set in the groove of link, and the gear of connected piece blocks along one, oil connection is actively socketed on the link, and to be that the outer-hexagonal nut is convenient be threaded with the oil nozzle of machine tool etc. oil connection, outer-hexagonal make things convenient for instrument clamping, screw oil connection.
In above-mentioned a kind of high-pressure oil passage protective tube, the internal surface of described connecting sleeve one end has the twist inserted part of projection, and the internal surface port of the described connecting sleeve the other end has shoulder block two.The outer surface of metal bellows has helical trough, the internal surface of connecting sleeve has the twist inserted part of projection, metal bellows rotates in the connecting sleeve, the wedging position of connecting sleeve is in the trough of metal bellows, metal bellows is connected in the connecting sleeve, fix with connecting sleeve, one end of connecting sleeve has to projecting inward shoulder block two, outside connecting sleeve is set in link, shoulder block two is arranged in the groove of link, by the punching press connecting sleeve, connecting sleeve is fixed on the link.
In above-mentioned a kind of high-pressure oil passage protective tube, described oil pipe is to be made by rubber material or plastic materials.The oil pipe that rubber and plastic materials are made has elasticity, and the firm degree that oil pipe is connected with link is high, good airproof performance.
Compared with prior art, a kind of high-pressure oil passage protective tube of providing of the utility model has the following advantages:
1, the whole sheathed metal bellows of oil pipe of this high-pressure oil passage protective tube avoids oil pipe directly to contact with extraneous, protects effective.
2, this high-pressure oil passage protective tube is connected oil pipe by link with oil connection, and metal bellows is connected mutually by connecting sleeve and link, and metal bellows is set in the outside of oil pipe all the time, and firmly degree is high, protects effective.
3, the oil connection of this high-pressure oil passage protective tube is actively socketed on the link, and the oil nozzle screw thread in the equipment such as rotation pipeline joint and lathe is connected, and is easy to connect.
Description of drawings
Fig. 1 is the overall structure schematic representation of this high-pressure oil pipe.
Fig. 2 is the partial sectional view of this high-pressure oil pipe.
Fig. 3 is the overall structure schematic representation of this high-pressure oil pipe link.
Among the figure, 1, oil pipe; 2, oil connection; 3, link; 4, metal bellows; 5, connecting sleeve; 6, slideproof tooth; 7, gear is along one; 8, gear is along two; 9, groove; 10, shoulder block one; 11, inserted part; 12, shoulder block two.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
This high-pressure oil passage protective tube is applied in the machine tools such as hydraulic machine or the large-scale engineering machinery, and as shown in Figure 1 and Figure 2, it comprises an oil pipe 1, two oil connections 2, link 3, metal bellows 4 and connecting sleeves 5.Oil pipe 1 is to be made by rubber material or plastic materials, has certain elasticity, is the conveyance conduit of fluid.
As shown in Figure 3, the outer surface of link 3 one ends has slideproof tooth 6, and this slideproof tooth 6 inserts in the oil pipe 1, be connected with oil pipe 1, slideproof tooth 6 has increased the area of contact between oil pipe 1 and the link 3, and the firm degree that link 3 is connected with oil pipe 1 is high, good sealing effect; The port of link 3 the other ends have protrude from outer surface gear along 1, be used for preventing coming off of oil connection 2, the centre have protrude from outer surface gear along 28, gear forms a groove 9 along 1 between 28 with gear, the height of gear along 1 is greater than the height that keeps off along 28.
Oil connection 2 is outer-hexagonal nuts, one end of oil connection 2 has shoulder block 1, the slightly larger in diameter of shoulder block one 10 place's circles is in the diameter that keeps off along 28, make things convenient for the socket of oil connection 2, link 3 passes oil connection 2, gear matches with shoulder block 1 along 1, and with oil connection 2 and link 3 phase clampings, oil connection 2 is actively socketed on the link 3.
The internal surface of connecting sleeve 5 one ends has the twist inserted part 11 of projection; when metal bellows 4 rotates into connecting sleeve 5 when interior; inserted part 11 is arranged in the trough of metal bellows 4; make metal bellows 4 and connecting sleeve 5 phase clampings; the internal surface port of connecting sleeve 5 the other ends has shoulder block 2 12; after metal bellows 4 and connecting sleeve 5 phase clampings; connecting sleeve 5 is set on the link 3; shoulder block 2 12 is positioned at groove 9; make connecting sleeve 5 inside deformation by punching press etc., make connecting sleeve 5; metal bellows 4; link 3 is fixed together, and join strength is high; metal bellows 4 is positioned at the outside of oil pipe 1 all the time, protects effective.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper more used oil pipe 1, oil connection 2, link 3, metal bellows 4, connecting sleeve 5, slideproof tooth 6, gear along 1, gear along 28, the terms such as groove 9, shoulder block 1, inserted part 11, shoulder block 2 12, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. high-pressure oil passage protective tube; comprise an oil pipe (1) and two oil connections (2); described oil connection (2) lays respectively at the two ends of oil pipe (1); it is characterized in that; described oil pipe (1) is connected by link (3) with oil connection (2); described oil pipe (1) is connected with link (3) drive fit; described oil connection (2) is actively socketed on the link (3); the sheathed metal bellows of described whole oil pipe (1) (4), the end of described metal bellows (4) is connected mutually by connecting sleeve (5) and link (3).
2. a kind of high-pressure oil passage protective tube according to claim 1; it is characterized in that; described link (3) is tubular; the outer surface of described link (3) one ends has the slideproof tooth (6) of ring-type; the port of the other end has the gear of protrusion along one (7); has gear in the middle of the outer surface of described link (3) along two (8), described gear along one (7) with gear formation groove (9) between two (8).
3. a kind of high-pressure oil passage protective tube according to claim 1 and 2 is characterized in that, described oil connection (2) is the outer-hexagonal nut, and an end of described oil connection (2) has shoulder block one (10).
4. a kind of high-pressure oil passage protective tube according to claim 1 and 2; it is characterized in that; the internal surface of described connecting sleeve (5) one ends has the twist inserted part (11) of projection, and the internal surface port of described connecting sleeve (5) the other end has shoulder block two (12).
5. a kind of high-pressure oil passage protective tube according to claim 1 and 2 is characterized in that, described oil pipe (1) is to be made by rubber material or plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319755 CN202708467U (en) | 2012-06-30 | 2012-06-30 | High-pressure oil line protective pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319755 CN202708467U (en) | 2012-06-30 | 2012-06-30 | High-pressure oil line protective pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708467U true CN202708467U (en) | 2013-01-30 |
Family
ID=47588772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220319755 Expired - Fee Related CN202708467U (en) | 2012-06-30 | 2012-06-30 | High-pressure oil line protective pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202708467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805464A (en) * | 2016-04-18 | 2016-07-27 | 苏州道众机械制造有限公司 | Fast oil pipe joint |
-
2012
- 2012-06-30 CN CN 201220319755 patent/CN202708467U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805464A (en) * | 2016-04-18 | 2016-07-27 | 苏州道众机械制造有限公司 | Fast oil pipe joint |
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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: 20130130 Termination date: 20150630 |
|
| EXPY | Termination of patent right or utility model |