CN210179094U - Be used for diesel tank to have double-deck seal structure of ditch groove union coupling - Google Patents
Be used for diesel tank to have double-deck seal structure of ditch groove union coupling Download PDFInfo
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- CN210179094U CN210179094U CN201920397068.6U CN201920397068U CN210179094U CN 210179094 U CN210179094 U CN 210179094U CN 201920397068 U CN201920397068 U CN 201920397068U CN 210179094 U CN210179094 U CN 210179094U
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- groove
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- sealing ring
- internal thread
- transition joint
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- Expired - Fee Related
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Abstract
The utility model provides a double-layer sealing structure with a groove pipe joint for a diesel tank, which comprises an oil outlet at the bottom of the diesel tank, a transition joint, a screwing nut, an internal thread interface, a groove, an O-shaped sealing ring and a gasket; an internal thread interface is arranged in an oil outlet at the bottom of the oil tank and is connected with a transition joint; the end part of the transition joint is provided with threads matched with the internal thread interface, and the transition joint is screwed into the internal thread interface; the end part of the internal thread interface is provided with a groove, and the groove consists of a first section of groove and a second section of groove; a screwing nut is sleeved on the transition joint and is matched with the thread of the transition joint; an O-shaped sealing ring is arranged in the first section of groove, the O-shaped sealing ring is composed of a sealing ring bottom sheet and two sections of semicircular elastic rubber sealing rings, and the two sections of semicircular elastic rubber sealing rings are arranged on the sealing ring bottom sheet; and a gasket is arranged in the second section of groove, and the gasket is tightly pressed on the O-shaped sealing ring by screwing the nut.
Description
Technical Field
The utility model relates to an oil tank connects the field, especially relates to a be used for diesel tank to have ditch groove pipe joint double-deck seal structure.
Background
The diesel engine oil tank is a container for containing fuel, plays an important role in the whole power system of a diesel engine, is generally assembled in an automobile for use, and can be continuously bumpy along with the automobile due to uneven road surface, so that oil leakage can be caused when the joint of the oil tank is loosened or the sealing performance cannot meet the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a be used for diesel tank to have ditch groove pipe joint double-deck seal structure, adopt the utility model discloses a structure is provided with the slot at the internal thread interface tip that adopts threaded connection, sets up O type sealing washer at first section ditch inslot, sets up the packing ring at second section ditch inslot, has increased the effective sealing area of O type sealing washer, and O type sealing washer is provided with first section sealing washer and second section sealing washer, the great reinforcing sealing performance of double-deck sealed O type sealing washer, has improved sealing performance, the effectual fluid seepage that has prevented, the oil leak liquid problem of oil tank bottom oil-out has been solved.
In order to achieve the above object, the utility model adopts the following technical scheme: a double-layer sealing structure with a groove pipe joint for a diesel tank comprises an oil outlet at the bottom of the diesel tank, a transition joint, a screwing nut, an internal thread interface, a groove, an O-shaped sealing ring and a gasket; an internal thread interface is arranged in an oil outlet at the bottom of the oil tank and is connected with a transition joint; the end part of the transition joint is provided with threads matched with the internal thread interface, and the transition joint is screwed into the internal thread interface; the end part of the internal thread interface is provided with a groove, the groove consists of a first section of groove and a second section of groove, the first section of groove is connected with the thread of the internal thread interface, the second section of groove is arranged on the end surface of the internal thread interface, and the first section of groove is communicated with the second section of groove to form a step-shaped structure; a screwing nut is sleeved on the transition joint and is matched with the thread of the transition joint; an O-shaped sealing ring is arranged in the first section of groove and consists of a sealing ring bottom sheet and two sections of semicircular elastic rubber sealing rings, the two sections of semicircular elastic rubber sealing rings are arranged on the sealing ring bottom sheet, the O-shaped sealing ring is provided with a first section of sealing ring and a second section of sealing ring, the side of the first section of sealing ring is contacted with the end face of an oil outlet at the bottom of the oil tank, and the first section of sealing ring and the second section of sealing ring have the same size and; and a gasket is arranged in the second section of groove, the gasket is tightly pressed on the O-shaped sealing ring by screwing the nut, and the size specification of the gasket is matched with that of the second section of groove.
The utility model has the advantages that: adopt the utility model discloses a structure is provided with the slot at the internal thread interface tip that adopts threaded connection, with O type sealing washer setting at first section ditch inslot, with the packing ring setting at second section ditch inslot, the effective sealing area of O type sealing washer has been increased, O type sealing washer is provided with first section sealing washer and second section sealing washer, the great reinforcing sealing performance of double-deck sealed O type sealing washer, sealing performance has been improved, the effectual fluid seepage that has prevented, the oil leak liquid problem of oil tank bottom oil-out has been solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic view of a double-layer sealing structure of a joint with a groove pipe for a diesel tank.
Fig. 2 is a schematic cross-sectional view of an O-ring.
Wherein: 1 is an oil outlet at the bottom of the oil tank, 2 is a transition joint, 3 is a screwing nut, 4 is an internal thread interface, 5 is a groove, 6 is an O-shaped sealing ring, 7 is a gasket, 51 is a first section of groove, 52 is a second section of groove, 61 is a sealing ring bottom sheet, 62 is a first section of sealing ring, and 63 is a second section of sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-2.
As shown in fig. 1-2, a double-layer sealing structure with a groove pipe joint for a diesel tank comprises an oil outlet 1 at the bottom of the diesel tank, a transition joint 2, a screwing nut 3, an internal thread interface 4, a groove 5, an O-shaped sealing ring 6 and a gasket 7; an internal thread interface 4 is arranged in an oil outlet 1 at the bottom of the oil tank, and the internal thread interface 4 is connected with the transition joint 2; the end part of the transition joint 2 is provided with a thread matched with the internal thread interface 4, and the transition joint 2 is screwed into the internal thread interface 4; the end part of the internal thread interface 4 is provided with a groove 5, the groove 5 consists of a first section of groove 51 and a second section of groove 52, the first section of groove 51 is connected with the thread of the internal thread interface 4, the second section of groove 52 is arranged on the end surface of the internal thread interface 4, and the first section of groove 51 is communicated with the second section of groove 52 to form a step-shaped structure; a screwing nut 3 is sleeved on the transition joint 2, and the screwing nut 3 is matched with the thread of the transition joint 2; an O-shaped sealing ring 6 is arranged in the first section of groove 51, the O-shaped sealing ring 6 is composed of a sealing ring bottom sheet 61 and two sections of semicircular elastic rubber sealing rings, the two sections of semicircular elastic rubber sealing rings are arranged on the sealing ring bottom sheet 61, the side of the O-shaped sealing ring 6, which is provided with a first section of sealing ring 62 and a second section of sealing ring 63, is contacted with the end face of the oil outlet 1 at the bottom of the oil tank, and the first section of sealing ring 62 and the second section of sealing ring 63 have; a gasket 7 is arranged in the second section groove 52, the gasket 7 is tightly pressed on the O-shaped sealing ring 6 by screwing the nut 3, and the size specification of the gasket 7 is matched with that of the second section groove 52.
Claims (1)
1. The utility model provides a be used for diesel tank to have ditch groove union coupling double-deck seal structure which characterized in that: the oil tank comprises an oil outlet at the bottom of the oil tank, a transition joint, a screwing nut, an internal thread interface, a groove, an O-shaped sealing ring and a gasket; an internal thread interface is arranged in an oil outlet at the bottom of the oil tank and is connected with a transition joint; the end part of the transition joint is provided with threads matched with the internal thread interface, and the transition joint is screwed into the internal thread interface; the end part of the internal thread interface is provided with a groove, the groove consists of a first section of groove and a second section of groove, the first section of groove is connected with the thread of the internal thread interface, the second section of groove is arranged on the end surface of the internal thread interface, and the first section of groove is communicated with the second section of groove to form a step-shaped structure; a screwing nut is sleeved on the transition joint and is matched with the thread of the transition joint; an O-shaped sealing ring is arranged in the first section of groove and consists of a sealing ring bottom sheet and two sections of semicircular elastic rubber sealing rings, the two sections of semicircular elastic rubber sealing rings are arranged on the sealing ring bottom sheet, the O-shaped sealing ring is provided with a first section of sealing ring and a second section of sealing ring, the side of the first section of sealing ring is contacted with the end face of an oil outlet at the bottom of the oil tank, and the first section of sealing ring and the second section of sealing ring have the same size and; and a gasket is arranged in the second section of groove, the gasket is tightly pressed on the O-shaped sealing ring by screwing the nut, and the size specification of the gasket is matched with that of the second section of groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397068.6U CN210179094U (en) | 2019-03-27 | 2019-03-27 | Be used for diesel tank to have double-deck seal structure of ditch groove union coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397068.6U CN210179094U (en) | 2019-03-27 | 2019-03-27 | Be used for diesel tank to have double-deck seal structure of ditch groove union coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210179094U true CN210179094U (en) | 2020-03-24 |
Family
ID=69830041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920397068.6U Expired - Fee Related CN210179094U (en) | 2019-03-27 | 2019-03-27 | Be used for diesel tank to have double-deck seal structure of ditch groove union coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210179094U (en) |
-
2019
- 2019-03-27 CN CN201920397068.6U patent/CN210179094U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 Termination date: 20210327 |