CN202012426U - Oil transport pipe assembly for engine - Google Patents
Oil transport pipe assembly for engine Download PDFInfo
- Publication number
- CN202012426U CN202012426U CN2011200711039U CN201120071103U CN202012426U CN 202012426 U CN202012426 U CN 202012426U CN 2011200711039 U CN2011200711039 U CN 2011200711039U CN 201120071103 U CN201120071103 U CN 201120071103U CN 202012426 U CN202012426 U CN 202012426U
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- nut
- hole
- transport pipe
- double
- screw bolt
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Abstract
The utility model discloses an oil transport pipe assembly for an engine. The assembly comprises an oil transport pipe and an interface device connected at the end of an oil transport pipe. The oil transport pipe comprises a high-pressure oil tube and a guard tube arranged outside the high-pressure oil tube. The internal diameter of the guard pipe is greater than the external diameter of the high-pressure oil tube, and a sealed cavity is formed between the internal wall of the guard tube and the external wall of the high-pressure oil tube; and the interface device is provided with an oil drain device which is communicated with the sealed cavity. The assembly adopts the dual-layer oil tube structure so that leakage caused by crack or fracture of the oil transport pipe is effectively avoided, potential safety hazards are removed, and the vibration of the oil transport tube is effectively reduced.
Description
Technical field
The utility model relates to the engine mechanical technical field, relates to a kind of transport pipe assembly that is used for motor in particular.
Background technique
The fuel oil supply system of marine engine is a very important system in the marine engine, therefore needs strict protection measure.Existing high-pressure oil pipe parts are connected on oil pump for engine and the oil sprayer, owing to be subjected to spatial arrangement and influences such as installation situation, saving cost and technology and pattern assembly level, often only adopt individual layer high-pressure oil pipe parts.Therefore, in use, problems such as some fractures, leakage can appear in high-pressure oil pipe, stay the potential safety hazard initiation fire easily.
The model utility content
The purpose of this utility model is to provide a kind of motor transport pipe assembly, adopts the double layer oil pipe structure, can not only effectively avoid eliminating safe hidden trouble, and can also effectively reducing the vibration of transport pipe parts because of the leakage that crackle or fracture cause appears in transport pipe.
The utility model is to adopt following technological scheme to realize above-mentioned purpose: a kind of motor transport pipe assembly, comprise transport pipe and the interface device that is connected the transport pipe end, it is characterized in that, this transport pipe comprises high-pressure oil pipe and is located at the outer protecting tube of high-pressure oil pipe, this protecting tube internal diameter is greater than the external diameter of this high-pressure oil pipe, form a sealed cavity between protecting tube inwall and high-pressure oil pipe outer wall, be provided with drainage device on interface device, this drainage device and described sealed cavity are communicated with.
As further specifying of such scheme:
Preferably, described interface device includes a double-screw bolt, this double-screw bolt is provided with a second order hole along its medial axis, this second order bore dia major part is provided with internal thread, on the shoulder of the hole in this second order hole, be provided with a packing ring, these second order bore dia smaller portions are provided with outside thread, there is outside thread one end to be provided with a blind nut that cooperates with this outside thread at this double-screw bolt, this blind nut middle part is provided with a circular hole, be provided with seal ring in inner close circular hole one side of this blind nut, this high-pressure oil pipe end is provided with pier nose, this pier nose passes the circular hole on the blind nut, packing ring on the shoulder of the second order hole of double-screw bolt and hole also is connected with this packing ring, and this protecting tube passes the circular hole on the blind nut and penetrates second order bore dia smaller portions and seal ring that blind nut is interior is tightly connected.
Preferably, described drainage device comprises draining hole and draining nut; This draining hole is for radially to be located on the double-screw bolt outer wall and the circular hole that communicates with second order bore dia smaller portions along double-screw bolt; This draining nut is made of a nut and a hole post that is vertically connected on this nut outer wall, it directly upwards is provided with an attachment hole that communicates with Kong Zhu this nut outer wall upper edge, be provided with connecting groove at this nut inner wall, this connecting groove is a circle groove that circumferentially is provided with along the draining nut, and this connecting groove communicates with attachment hole and Kong Zhu on the nut outer wall; Described draining nut is spirally connected with double-screw bolt and the connecting groove of draining nut inner wall is communicated with the draining hole.
Preferably, described draining hole double-screw bolt outer wall upper edge stud shaft to both sides be provided with seal groove, the sealing groove is a circle groove that circumferentially is provided with along double-screw bolt, and O type Sealing is installed in seal groove.
Preferably, also comprise the oil pipe folder that is used for fixing transport pipe.
The beneficial effect that the utility model adopts above technological scheme to reach is:
1. transport pipe of the present utility model is provided with high-pressure oil pipe and protecting tube is two-layer, between this is two-layer, be formed with sealed cavity in order to collect the leakage of oil of high-pressure oil pipe, and be provided with drainage device in order to collect leakage of oil and leakage of oil is derived at interface device, therefore avoided outside leakage of oil is exposed to, both sanitation and hygiene, thoroughly stopped disaster hidden-trouble again, safe and reliable.
2. transport pipe of the present utility model is because of adopting double layer oil pipe, and between double layer oil pipe, be formed with cavity, after therefore many transport pipe are decided by the oil pipe clamping, can reduce Oscillation Amplitude greatly, not only effectively reduce noise, can also reduce faults such as getting loose appears in transport pipe, crackle, crack.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a first interface device schematic representation of the present utility model;
Fig. 3 is the second interface device schematic representation of the present utility model.
Description of reference numerals:
The 1-transport pipe, 2-first interface device, 3-drainage device, 4-oil pipe folder, 5-high-pressure oil pipe, 6-protecting tube, the 7-pier nose, 8-double-screw bolt, 9-blind nut, the 10-seal ring, 11-second interface device, 12-packing ring, 13-draining hole, 14-draining nut, 15-connecting groove, 16-O type Sealing, 17-attachment hole, 18-hole post.
Embodiment
For further setting forth 26S Proteasome Structure and Function of the present utility model, below in conjunction with accompanying drawing and preferred embodiment the utility model is elaborated, but be to be understood that protection domain of the present utility model is not subjected to the restriction of embodiment.
Fig. 1 is a structural representation of the present utility model, as shown in FIG., the utility model is a kind of motor transport pipe assembly, includes many transport pipe 1, every transport pipe 1 two ends are connected with the first interface device 2 and second interface device 11 respectively, and first interface device 2 is provided with drainage device 3.Many transport pipe 1 is fixing by oil pipe folder 4, can effectively reduce vibration, reduces noise and prevents faults such as getting loose appears in transport pipe 1, crackle, crack.
Fig. 2 is the schematic representation of first interface device 2 of the present utility model, as shown in FIG., transport pipe 1 comprises high-pressure oil pipe 5 and the protecting tube 6 that is located at outside the high-pressure oil pipe 5, be provided with pier nose 7 in high-pressure oil pipe 5 ends, these protecting tube 6 internal diameters are greater than the external diameter of this high-pressure oil pipe 5, between protecting tube 6 inwalls and high-pressure oil pipe 5 outer walls, form a sealed cavity, if leakage of oil takes place in high-pressure oil pipe 5, oil spill can be stored in this sealed cavity and through drainage device 3 and derive, avoiding touching naked light, thereby eliminate disaster hidden-trouble.This first interface device 2 includes a double-screw bolt 8, this double-screw bolt 8 is provided with one and is the second order hole of through hole along its medial axis, this second order bore dia major part is provided with internal thread, on the shoulder of the hole in this second order hole, be provided with a packing ring 12, these second order bore dia smaller portions are provided with outside thread, have outside thread one end to be provided with a blind nut 9 that cooperates with this outside thread at this double-screw bolt 8, these blind nut 9 middle parts are provided with a circular hole, are provided with seal ring 10 in these blind nut 9 inner close circular hole one sides.Also be provided with drainage device 3 on the first interface device 2, this drainage device 3 comprises draining hole 13 and draining nut 14, this draining hole 13 is for radially to be located on double-screw bolt 8 outer walls and the circular hole that communicates with second order bore dia smaller portions along double-screw bolt 8, this draining nut 14 is made of a nut and a hole post 18 that is vertically connected on this nut outer wall, it directly upwards is provided with an attachment hole 17 that communicates with hole post 18 this nut outer wall upper edge, be provided with connecting groove 15 at this nut inner wall, this connecting groove 15 is a circle groove that circumferentially is provided with along draining nut 14, this connecting groove 15 communicates with attachment hole 17 and hole post 18 on the nut outer wall, after this structure of connecting groove 15 can guarantee draining nut 14 and double-screw bolt 8 is connected, even draining hole 13 and attachment hole 17 do not have co-axially align, be communicated with as long as just can keep on the same circumference.This draining hole 13 is provided with the thread seal groove in double-screw bolt 8 outer wall upper edge double-screw bolts 8 axial both sides, and the sealing groove is a circle groove that circumferentially is provided with along double-screw bolt 8, and O type Sealing 16 is installed in seal groove.When draining nut 14 is installed, draining nut 14 is spirally connected on the double-screw bolt 8, the connecting groove 15 of draining nut 14 inwalls is communicated with draining hole 13, the O type Sealing 16 of connecting groove 15 both sides can prevent leakage of oil.
When transport pipe 1 is connected with first interface device 2, to cut out one section near the protecting tube 6 of pier nose 7 earlier, cut out and be unlikely to block draining hole 13 after length should make protecting tube 6 stretch into double-screw bolt 8 second order bore dia smaller portions, earlier draining nut 14 and blind nut 9 are screwed onto on the double-screw bolt 8 successively then, the pier nose 7 of high-pressure oil pipe 5 is passed the circular hole on the blind nut 9, the second order hole of double-screw bolt 8 and the packing ring 12 on the shoulder of hole get final product, protecting tube 6 can pass circular hole on the blind nut 9 and second order bore dia smaller portions and be tightly connected with the interior seal ring 10 of blind nut 9.When first interface device 2 and motor or other oil transportation parts internal thread by the second order hole is connected, the pier nose 7 of joining part branch compressing high-pressure oil pipe 5, pier nose 7 necks are pressed on the packing ring 12, at this moment, the second order bore dia smaller portions of double-screw bolt 8 will form a cavity, this cavity and high-pressure oil pipe 5 are communicated with cavity between the protecting tube 6, and with drainage device 3 circulations, constitute the loop of a complete collection leakage of oil.
Fig. 3 is the schematic representation of second interface device 11 of the present utility model, and as shown in FIG., second interface device 11 is compared with first interface device 2, and except not having drainage device 3, therefore all the other structures and function and first interface device 2 in full accord repeat no more.
Only one of the utility model preferred embodiment shown in the utility model the foregoing description and the accompanying drawing; can not limit to the utility model with this; under the condition that does not break away from the utility model marrow, any change that those skilled in the art did all belongs to protection domain of the present utility model.
Claims (5)
1. motor transport pipe assembly, comprise transport pipe and the interface device that is connected the transport pipe end, it is characterized in that, this transport pipe comprises high-pressure oil pipe and is located at the outer protecting tube of high-pressure oil pipe, this protecting tube internal diameter is greater than the external diameter of this high-pressure oil pipe, form a sealed cavity between protecting tube inwall and high-pressure oil pipe outer wall, be provided with drainage device on interface device, this drainage device and described sealed cavity are communicated with.
2. motor transport pipe assembly according to claim 1, it is characterized in that, described interface device includes a double-screw bolt, this double-screw bolt is provided with a second order hole along its medial axis, this second order bore dia major part is provided with internal thread, on the shoulder of the hole in this second order hole, be provided with a packing ring, these second order bore dia smaller portions are provided with outside thread, there is outside thread one end to be provided with a blind nut that cooperates with this outside thread at this double-screw bolt, this blind nut middle part is provided with a circular hole, be provided with seal ring in inner close circular hole one side of this blind nut, this high-pressure oil pipe end is provided with pier nose, this pier nose passes the circular hole on the blind nut, packing ring on the shoulder of the second order hole of double-screw bolt and hole also is connected with this packing ring, and this protecting tube passes the circular hole on the blind nut and penetrates second order bore dia smaller portions and seal ring that blind nut is interior is tightly connected.
3. motor transport pipe assembly according to claim 2 is characterized in that described drainage device comprises draining hole and draining nut; This draining hole is for radially to be located on the double-screw bolt outer wall and the circular hole that communicates with second order bore dia smaller portions along double-screw bolt; This draining nut is made of a nut and a hole post that is vertically connected on this nut outer wall, it directly upwards is provided with an attachment hole that communicates with Kong Zhu this nut outer wall upper edge, be provided with connecting groove at this nut inner wall, this connecting groove is a circle groove that circumferentially is provided with along the draining nut, and this connecting groove communicates with attachment hole and Kong Zhu on the nut outer wall; Described draining nut is spirally connected with double-screw bolt and the connecting groove of draining nut inner wall is communicated with the draining hole.
4. motor transport pipe assembly according to claim 3, it is characterized in that, described draining hole double-screw bolt outer wall upper edge stud shaft to both sides be provided with seal groove, the sealing groove is a circle groove that circumferentially is provided with along double-screw bolt, and O type Sealing is installed in seal groove.
5. according to any described motor transport pipe assembly in the claim 1 to 4, it is characterized in that, also comprise the oil pipe folder that is used for fixing transport pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200711039U CN202012426U (en) | 2011-03-14 | 2011-03-14 | Oil transport pipe assembly for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200711039U CN202012426U (en) | 2011-03-14 | 2011-03-14 | Oil transport pipe assembly for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202012426U true CN202012426U (en) | 2011-10-19 |
Family
ID=44783038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200711039U Expired - Fee Related CN202012426U (en) | 2011-03-14 | 2011-03-14 | Oil transport pipe assembly for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202012426U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926903A (en) * | 2012-11-16 | 2013-02-13 | 南通飞鲸发电设备有限公司 | Collecting block for high pressure fuel leak |
| CN103485948A (en) * | 2013-08-30 | 2014-01-01 | 广西玉柴机器股份有限公司 | Protection high-pressure oil pipe |
| CN104948363A (en) * | 2015-07-21 | 2015-09-30 | 上海通和船用设备有限公司 | Double-layered high-pressure oil pipe |
-
2011
- 2011-03-14 CN CN2011200711039U patent/CN202012426U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926903A (en) * | 2012-11-16 | 2013-02-13 | 南通飞鲸发电设备有限公司 | Collecting block for high pressure fuel leak |
| CN103485948A (en) * | 2013-08-30 | 2014-01-01 | 广西玉柴机器股份有限公司 | Protection high-pressure oil pipe |
| CN104948363A (en) * | 2015-07-21 | 2015-09-30 | 上海通和船用设备有限公司 | Double-layered high-pressure oil pipe |
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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: 20111019 Termination date: 20150314 |
|
| EXPY | Termination of patent right or utility model |