CN209856753U

CN209856753U - Oil drainage device

Info

Publication number: CN209856753U
Application number: CN201920457389.0U
Authority: CN
Inventors: 高月平; 叶鹏飞; 任晓盛
Original assignee: Zhejiang Suqiangge Hydraulic Co Ltd
Current assignee: Zhejiang Suqiangge Hydraulic Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2019-12-27
Anticipated expiration: 2029-04-04

Abstract

The utility model provides an oil drain device belongs to mechanical technical field. The problem solved by the method is how to improve the sealing performance. This oil drain device is including connecting the metal shield outside valve plate place valve body one end and can connecting the oil drain joint outside valve plate place valve body one end when the metal shield is screwed down, the metal shield inboard is equipped with sealed the pad, the metal shield inside wall is equipped with annular positioning groove, sealed outer edge of pad is located annular positioning groove, one side cell wall slope setting that annular positioning groove is close to metal shield oral area, the valve body outside is equipped with the annular groove of stepping down, be equipped with the back taper head on the metal shield, be connected with wire rope between the valve body of back taper head and annular groove department of stepping down, wire rope's one end utilizes aluminium sheathing buckle riveting behind the back taper head round to fix, wire rope's the other end utilizes aluminium sheathing buckle riveting behind the valve body round of annular groove department of stepping down to fix. The oil drainage device improves the sealing performance of the oil drainage device, and has the advantages of being convenient for taking out the sealing gasket and the like.

Description

Oil drainage device

Technical Field

The utility model belongs to the technical field of machinery, a oil drain device is related to.

Background

The existing oil drain device, such as a pipe joint rotary open type oil drain valve disclosed in application number 201520218699.9, is composed of a valve body, a valve core, a valve rod, a sealing ring, a spring, a sealing screw cap, a pipe joint nut and a steel ball, wherein a valve cavity is formed by a step hole in the valve body, the sealing ring on the frustum surface of the valve core is tightly attached to a sealing valve of the valve body by the spring force in the valve cavity, when the engine oil in an engine is normally lubricated, the valve body, the valve core and the valve rod jointly form a block of the bottom wall of an oil pan, when the engine oil needs to be replaced, the pipe joint nut is screwed in gradually, and the pipe joint is driven to enable the upper end of the pipe joint to push the lower end of the valve rod spring seat to force the lower end of the valve rod spring.

However, the above-mentioned oil drain valve has some disadvantages: although the sealing screw cap is connected to the valve body when the engine oil is normally lubricated, the sealing screw cap can only prevent external dust or impurities from entering the valve body, the oil leakage prevention of the whole oil drain valve completely depends on the sealing of the valve core, and when the valve core fails, the oil cannot be prevented from overflowing outwards even if the sealing screw cap exists.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide an oil drain device, the technical problem that solve is how to improve sealing performance.

The purpose of the utility model can be realized by the following technical proposal:

the oil drain device comprises an oil drain valve, wherein the oil drain valve comprises a cylindrical valve body with two open ends and a valve rod arranged in the valve body, a sealing core is arranged outside one port of the valve body and connected with one end of the valve rod, the other end of the valve rod is fixedly connected with a valve plate, a spring is arranged in the valve body, two ends of the spring are respectively abutted against the inner walls of the valve plate and the valve body, the sealing core is always abutted against one end surface of the valve body under the elastic force of the spring to form sealing, the valve plate is positioned in the other port of the valve body, threads are arranged on the outer sides of two ends of the valve body, the oil drain device also comprises a metal dust cover which can be connected outside one end of the valve body where the valve plate is positioned and an oil drain joint which can be connected outside one end of the valve body where the valve plate is positioned when the metal, the outer edge of sealed pad is located annular positioning groove, the terminal surface that leans on to form on the sealed pad and seal when metal shield connects on the valve body at valve plate place valve body, annular positioning groove is close to one side cell wall slope setting of metal shield oral area, the width of annular positioning groove is greater than the thickness of sealed pad, and this side cell wall is to being close to the slope of metal shield oral area direction, the valve body outside is equipped with the annular groove of stepping down, be equipped with the back taper head on the metal shield, be connected with wire rope between the valve body of back taper head and annular groove department of stepping down, wire rope's one end utilizes aluminium cover buckle riveting behind the back taper head round to fix, wire rope's the other end utilizes aluminium cover buckle riveting behind the valve body round of annular groove department of stepping down to fix.

This oil drain device connects wire rope between the valve body of back taper head and annular groove department of stepping down, wire rope one end is fixed around utilizing aluminium cover buckle riveting behind the back taper head round, the wire rope other end utilizes aluminium cover buckle riveting behind the valve body round of annular groove department of stepping down fixed, make between wire rope and the valve body and between wire rope and the metal shield homoenergetic form firm being connected, even the metal shield also links together with the valve body after screwing down from the valve body one end at valve plate place like this, thereby avoid the metal shield to screw down the back and appear losing because of placing at will. This oil drain device is through setting up sealed the pad in the metal shield, and when metal shield threaded connection was served at valve plate place valve body, a terminal surface of valve body place valve body leaned on the sealing pad, can utilize the metal shield to play outside dustproof effect on the one hand like this, and on the other hand can provide secondary seal, especially continues certain sealed effect by sealed the pad when sealed core became invalid, avoids fluid to spill over, has better grease proofing effect. In addition, because the metal shield passes through wire rope and links together with the valve body, be in unsettled state when the metal shield is screwed down, consequently set up annular positioning groove at the metal shield inside wall, make the outer edge of sealed pad be located annular positioning groove, can prevent like this that sealed pad from deviating from by the power when the metal shield falls, simultaneously with one side cell wall slope setting that annular positioning groove is close to the metal shield oral area, and make this side cell wall slope then can play the guide effect when taking out sealed pad to being close to metal shield oral area direction, conveniently take out sealed pad in order to change, simultaneously because sealed pad generally all is softer, set up the width of annular positioning groove to be greater than sealed thickness, can provide certain deformation space for sealed pad in order to make things convenient for taking out sealed pad.

In foretell oil drain device, the oil drain connects including being cylindrical joint core, transparent hose and the cover establish the lock nut outside the joint core, and joint core one end is for inserting the extrusion end in valve plate place valve body one end, and the extrusion end is located the lock nut inboard, and the joint core other end is the link, and the link is the pagoda type of inversion, and the external diameter of link is greater than transparent hose's internal diameter, and in the link inserted transparent hose's one end, the transparent hose outside was connected with the stainless steel clamp of fixing link and transparent hose mutually.

During the assembly, insert the link of joint core in the one end of transparent hose, then utilize the stainless steel clamp directly to fix link and transparent hose mutually and make transparent hose directly regard as the component part of joint core, just so need not to connect again or dismantle transparent hose when the oil drain, the shape of pagoda type also makes the connection between transparent hose and the joint core more firm with stainless steel clamp matched with mode simultaneously, the transparent hose can not appear receiving the oil pressure pulling force effect and the condition of breaking away from. In addition, the transparent hose can also allow workers to directly observe to determine whether the oil is normally discharged.

Compared with the prior art, the oil drainage device has the advantages that the sealing gasket is arranged in the metal dustproof cover, when the metal dustproof cover is connected to the valve body, the end face of the valve body abuts against the sealing gasket to form secondary sealing, especially, the effect of continuous sealing can be achieved when the sealing fails, and therefore the sealing performance of the oil drainage device is improved; in addition, this oil drain device sets up annular positioning groove in the metal shield to set up annular positioning groove's width to be greater than sealed thickness of filling up and one side cell wall of annular positioning groove sets up to slope to metal shield mouth portion simultaneously, has made things convenient for taking out of sealed pad, has guaranteed the convenience that sealed pad was changed.

Drawings

Fig. 1 is a sectional view of the present oil drain device when draining oil.

Fig. 2 is a schematic view of the oil drain valve of the oil drain device when a metal dust cap is connected.

Fig. 3 is a sectional view of an oil drain valve in the present oil drain apparatus.

Fig. 4 is a sectional view of a metal dust cap in the oil drain device.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a partial sectional view of the oil drain joint in the present oil drain device.

In the figure, 1, a valve body; 1a, an annular sealing groove; 1b, an annular abdicating groove; 2. a valve stem; 3. sealing the core; 4. a valve plate; 5. a spring; 6. a red copper pad; 7. a joint core; 7a, an extrusion end; 7b, a connecting end; 8. a lock nut; 8a, net knurling; 9. a seal ring; 10. a transparent hose; 11. a stainless steel hoop; 12. a metal dust cap; 12a, an annular positioning groove; 12b, an inverted cone head; 13. a wire rope; 14. a gasket; 15. the aluminum sleeve is buckled.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 3, an oil drain device, including the oil drain valve, the oil drain valve is including being cylindric and both ends open-ended valve body 1 and locating the valve rod 2 in the valve body 1 along the axial, 1 port of valve body is equipped with sealed core 3 outward, sealed core 3 is connected with 2 one end of valve rod, the valve rod 2 other end is fixed with valve plate 4, be equipped with spring 5 in the valve body 1, the spring 5 both ends support respectively and lean on valve plate 4 and 1 inner wall of valve body, sealed core 3 supports all the time to lean on and forms sealedly on 1 terminal surface of valve body under the spring action of spring 5, valve plate 4 is located the other port of valve body 1.

As shown in fig. 3, external threads are arranged on the outer sides of two ends of the valve body 1, the middle of the valve body 1 is hexagonal, an annular sealing groove 1a is arranged between the middle of the valve body 1 and one end of the valve body 1 where the sealing core 3 is located, a red copper gasket 6 is arranged in the annular sealing groove 1a, and the outer diameter of the red copper gasket 6 is larger than that of one end of the valve body 1 where the sealing core 3 is located. An annular abutting surface is arranged in the valve body 1, an annular step is arranged on the outer side of the valve rod 2, and two ends of the spring 5 abut against the annular abutting surface and the annular step respectively.

The sealing core 3 comprises a sealing head and an O-shaped ring, the sealing head comprises a circular sheet and an embedding part fixedly connected to one end of the circular sheet, the embedding part is located in the valve body 1, the valve rod 2 is connected with the embedding part, and the circular sheet is abutted to the end face of the valve body 1. The inboard sealed face of toper that is equipped with of this port of valve body 1, forms annular clamping groove between circular sheet and the embedding part, and O type circle is located annular clamping groove department, and O type circle supports and leans on the sealed face of toper.

As shown in fig. 1 and 6, the oil drain device further comprises an oil drain joint, the oil drain joint comprises a columnar joint core 7 and a lock nut 8 which is sleeved outside the joint core 7, one end of the joint core 7 is an extrusion end 7a which can be inserted into one end of the valve body 1 where the valve plate 4 is located, a sealing ring 9 is arranged outside the extrusion end 7a, an annular retaining shoulder is arranged outside the joint core 7, the annular retaining shoulder abuts against the inner side wall of the lock nut 8, and the extrusion end 7a is located inside the lock nut 8. In order to facilitate the mounting and dismounting of the lock nut 8, a net-shaped knurl 8a is provided outside the lock nut 8.

As shown in fig. 1 and 6, the oil drain connector further comprises a transparent hose 10, the other end of the connector core 7 is a connecting end 7b, the connecting end 7b is in an inverted pagoda shape, the outer diameter of the connecting end 7b is larger than the inner diameter of the transparent hose 10, the connecting end 7b is inserted into one end of the transparent hose 10, and a stainless steel clamp 11 for fixing the connecting end 7b and the transparent hose 10 is connected to the outer side of the transparent hose 10.

As shown in fig. 2, fig. 4 and fig. 5, this oil drain device is still including can threaded connection at the outer metal shield 12 of 1 one end of valve body at valve plate 4 place, be equipped with annular groove 1b of stepping down between 1 one end of valve body at valve body 1 middle part and valve plate 4 place, be equipped with back taper head 12b on the metal shield 12, be connected with wire rope 13 between back taper head 12b and the valve body 1 of annular groove 1b department of stepping down, wire rope 13 one end is fixed around utilizing aluminium cover buckle 15 riveting after the back taper head 12b round, the wire rope 13 other end utilizes aluminium cover buckle 15 riveting fixed around the valve body 1 round of annular groove 1b department of stepping down. Be equipped with sealed 14 in the metal shield 12, be equipped with annular positioning groove 12a on the inner wall of metal shield 12, sealed outer edge of 14 of filling up is located annular positioning groove 12a, valve plate 4 place one end face of valve body 1 supports and leans on to form sealed the formation on the pad 14 when 12 threaded connection of metal shield are on valve body 1 and seals, annular positioning groove 12a is close to one side cell wall slope setting of 12 oral areas of metal shield, and this side cell wall is to being close to 12 oral areas of metal shield direction slopes, annular positioning groove 12 a's width is greater than sealed 14 thickness of filling up.

As shown in fig. 2, in a normal state, the oil drain valve is fixed on an oil pan of an engine through an external thread on the outer side of one end of the valve body 1 where the sealing core 3 is located, and meanwhile, the sealing core 3 always abuts against one end face of the valve body 1 under the elastic force of the spring 5 to form sealing to prevent oil from leaking; and metal shield 12 threaded connection outside valve plate 4 place valve body 1 one end, by the sealed 14 and this terminal surface counterbalance of valve body 1 of metal shield 12 inboard sealed pad play grease proofing dustproof effect, can effectively protect the fuel outlet valve like this in abominable operating mode, avoid dust, granule etc. to get into in the fuel outlet valve and lead to the sealing performance of fuel outlet valve to suffer destruction.

As shown in figure 1, when oil drainage is needed, the metal dust cap 12 is unscrewed from the valve body 1, and then an oil drainage connector is connected. Specifically, the pressing end 7a of the joint core 7 is inserted into the end of the valve body 1 where the valve plate 4 is located, and the joint core 7 is fixed to the valve body 1 by screwing the lock nut 8 to the outside of the end of the valve body 1 where the valve plate 4 is located. When the extrusion end 7a of the joint core 7 is inserted into the valve body 1, the extrusion end abuts against the valve plate 4 and pushes the valve plate 4 to move in the direction against the elastic force of the spring 5, so that the sealing core 3 is separated from the end surface of the valve body 1 to open the end of the valve body 1, and therefore oil can be led out to a storage container through an oil drain valve and an oil drain joint in sequence. And after the oil drainage is finished, the oil drainage joint is detached, and then the metal dust cover 12 is screwed again.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an oil drain device, including the oil drain valve, the oil drain valve is including being cylindric and both ends open-ended valve body (1) and locating valve rod (2) in valve body (1), valve body (1) a port is equipped with sealed core (3) outward, sealed core (3) are connected with valve rod (2) one end, the valve rod (2) other end has linked firmly valve plate (4), be equipped with spring (5) in valve body (1), spring (5) both ends are supported respectively and are leaned on valve plate (4) and valve body (1) inner wall, sealed core (3) are supported under the spring action of spring (5) all the time and are supported and form sealedly on valve body (1) a terminal surface, valve plate (4) are located the other port of valve body (1), valve body (1) both ends outside all is equipped with the screw thread, this oil drain device is still including connecting valve plate (4) place valve body (4) metal shield (12) and can connect when metal shield (12) revolve down at valve plate (4) place valve body (4 1) The outer oil drain joint of one end, a serial communication port, metal shield (12) inboard is equipped with sealed pad (14), metal shield (12) inside wall is equipped with annular positioning groove (12a), the outer edge of sealed pad (14) is located annular positioning groove (12a), when metal shield (12) connect on valve body (1) one end face of valve plate (4) place is supported and is leaned on sealed pad (14) and form sealedly, one side cell wall slope that annular positioning groove (12a) is close to metal shield (12) oral area sets up, the width of annular positioning groove (12a) is greater than the thickness of sealed pad (14), and this side groove wall is to the slope of being close to metal shield (12) oral area direction, the valve body (1) outside is equipped with annular groove of stepping down (1b), be equipped with the back taper head (12b) on metal shield (12), be connected with wire rope (13) between back taper head (12b) and the valve body (1) that annular groove of stepping down (1b) department, one end of the steel wire rope (13) is riveted and fixed by the aluminum sleeve buckle (15) after winding the inverted conical head (12b) for one circle, and the other end of the steel wire rope (13) is riveted and fixed by the aluminum sleeve buckle (15) after winding the valve body (1) at the annular abdicating groove (1b) for one circle.

2. The oil drain device according to claim 1, wherein the oil drain joint comprises a columnar joint core (7), a transparent hose (9) and a lock nut (8) sleeved outside the joint core (7), one end of the joint core (7) is an extrusion end capable of being inserted into one end of the valve body (1) where the valve plate (4) is located, the extrusion end is located inside the lock nut (8), the other end of the joint core (7) is a connecting end, the connecting end is in an inverted pagoda shape, the outer diameter of the connecting end is larger than the inner diameter of the transparent hose (9), the connecting end is inserted into one end of the transparent hose (9), and a stainless steel hoop (11) for fixing the connecting end and the transparent hose (9) is connected to the outer side of the transparent hose (9).