CN211648276U

CN211648276U - Engine oil drain valve

Info

Publication number: CN211648276U
Application number: CN202020166121.4U
Authority: CN
Inventors: 杨龙; 姜在彬
Original assignee: Shandong Honglu Machinery Co ltd
Current assignee: Shandong Honglu Machinery Co ltd
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-10-09
Anticipated expiration: 2030-02-13

Abstract

The utility model discloses an engine oil drain valve, which comprises a valve body, a sliding groove, an oil discharge hole, a sealing device, a fixed plate, a threaded rod, a hexagonal knob, a ring groove and an oil discharge pipe, wherein the sliding groove is arranged on the inner wall of the valve body, the oil discharge hole is arranged on one side of the sliding groove, the sliding groove is connected with the sealing device in a sliding way, the end of the inner wall of the sliding groove, which is far away from the oil discharge hole, is fixed with the fixed plate, the middle part of the fixed plate is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with the threaded rod, the threaded rod is rotationally connected with the sealing device, one end of the threaded rod, which passes through the threaded hole, is fixed with the hexagonal knob, the end of the inner wall of the sliding groove, which is close to the oil discharge hole, the end of, the oil drain valve of the engine can prevent oil leakage of the oil drain valve and is convenient for people to use.

Description

Engine oil drain valve

Technical Field

The utility model relates to an oil drain valve technical field specifically is an engine oil drain valve.

Background

The engine oil in the engine needs to be replaced after the engine is used for a period of time, one of the existing methods for discharging the engine oil is to directly discharge the engine oil by opening a plug nut, so that the engine oil is easy to splash, and the other method is to discharge the engine oil by installing an oil discharge valve on the engine;

the engine oil sump oil drain valve comprises a sealing ejector rod and a valve body, wherein a through cavity is arranged in the valve body, the cavity consists of an outlet cavity, a transition cavity and an inlet cavity, the diameter of the inlet cavity is larger than that of the outlet cavity, and the transition cavity is horn-shaped; the sealing ejector rod consists of an upper ejector rod, a middle ejector rod and a lower ejector rod, the upper ejector rod is assembled at one end of the outlet cavity of the valve body in a threaded connection mode, the diameter of the middle ejector rod is smaller than that of the upper ejector rod, and the lower ejector rod is in sealing fit with the outlet cavity; a steel ball and a spring are arranged in the inlet cavity, the diameter of the steel ball is between the diameter of the outlet cavity and the diameter of the inlet cavity, and the steel ball is tightly pressed between the lower ejector rod and the spring under the action of the spring; an oil outlet communicated with the outlet cavity is arranged on the side surface of the valve body. The valve can drain oil for the engine without any external tooling equipment, is quick and convenient to operate, reliable in sealing performance and capable of adsorbing scrap iron in engine oil, but when the oil drain valve is used, the ejector rod is easy to loosen due to vibration of the engine, so that the oil outlet leaks oil. To this end, we propose an engine drain valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine oil drain valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engine fuel outlet valve, includes valve body, spout, oil drain hole, sealing device, fixed plate, threaded rod, hexagonal knob, ring channel and row oil pipe, the spout has been seted up to the valve body inner wall, the oil drain hole has been seted up to spout one side, spout inner wall sliding connection has sealing device, the one end that the oil drain hole was kept away from to the spout inner wall is fixed with the fixed plate, the threaded hole is seted up at the fixed plate middle part, threaded hole inner wall threaded connection has the threaded rod, and the threaded rod rotates with sealing device to be connected, threaded rod one end is passed the screw hole and is fixed with the hexagonal knob, the one end that the spout inner wall is close to the oil drain hole sets up the ring channel, the one end that.

Preferably, sealing device includes slide cartridge, sealed piece, telescopic link, connecting plate and spring, spout inner wall sliding connection has the slide cartridge, the one end that the slide cartridge is close to the oil drain hole is fixed with sealed piece, sealed piece one end is fixed with the telescopic link, the one end that sealed piece was kept away from to the telescopic link is fixed with the connecting plate, the connecting plate passes through the bearing and is connected with the threaded rod rotation, the slide cartridge inner wall is equipped with the spring, spring one end and sealed piece fixed connection, and the spring other end and connecting plate fixed connection.

Preferably, the telescopic link includes outer tube, slide bar and stopper, sealed piece one end is fixed with the outer tube, outer tube inner wall sliding connection has the slide bar, outer tube and connecting plate fixed connection are passed to slide bar one end, slide bar one end is fixed with the stopper, and stopper and outer tube inner wall sliding connection.

Preferably, through holes are symmetrically formed in two ends of the hexagonal knob, threaded grooves are symmetrically formed in two ends of the fixing plate, bolts are inserted into the inner walls of the threaded holes and are in threaded connection with the threaded grooves.

Preferably, the outer side of the sliding cylinder is embedded and fixed with sealing rings at equal intervals.

Preferably, the outer side of the oil discharge pipe is provided with threads, and the outer side of the oil discharge pipe is in threaded connection with a sealing cover.

Preferably, a threaded joint is fixed at one end of the valve body close to the oil discharge hole and communicated with the oil discharge hole.

Preferably, the one end that sealed piece is close to the oil drain hole is the round platform form and sets up, the one end inner wall that the oil drain hole is close to sealed piece is equipped with the chamfer, and sealed piece pegs graft with the oil drain hole.

Compared with the prior art, the beneficial effects of the utility model are that:

when the oil drainage device is used, the valve body is installed at an oil drainage port of an engine through the threaded connector, when oil needs to be drained, the bolt on the hexagonal knob is screwed off, at the moment, the hexagonal knob is rotated, the threaded rod is further driven to rotate, the threaded rod is driven to move on the fixed plate, the connecting plate is further driven to be away from the oil drainage hole, the connecting plate drives the sliding rod to move, the limiting block on the sliding rod pulls the outer pipe to move, the sealing block is further driven to move, the sealing block is separated from the oil drainage hole, oil enters the annular groove from the oil drainage hole and is drained from the oil drainage pipe, after the oil is drained, the hexagonal knob is rotated again, the connecting plate is driven to move by the threaded rod, the connecting plate drives the sealing block to block the oil drainage hole through the spring, the hexagonal knob is continuously rotated at the moment, the connecting plate extrudes the, make sealed piece unable activity, and the through-hole on the hexagonal knob at this moment is heavily harmony with the thread groove, people's accessible bolt is fixed hexagonal knob and fixed plate this moment, make the hexagonal knob unable rotatory, can prevent that the threaded rod from becoming flexible because of vibrations and leading to the phenomenon of sealed piece oil leak, and even the threaded rod is not hard up, make when the connecting plate moves, sealed piece also can be sealed the oil drain hole under the elasticity of spring, reduce the oil leak phenomenon of oil drain hole, can prevent the oil drain valve oil leak from this device, the people of being convenient for use.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the sealing device of the present invention.

In the figure: 1. a valve body; 2. a chute; 3. an oil drain hole; 4. a sealing device; 5. a fixing plate; 6. a threaded rod; 7. a hexagonal knob; 8. an annular groove; 9. an oil discharge pipe; 10. a slide cylinder; 11. a sealing block; 12. a telescopic rod; 13. a connecting plate; 14. a spring; 15. an outer tube; 16. a slide bar; 17. a limiting block; 18. a bolt; 19. a seal ring; 20. a sealing cover; 21. provided is a threaded joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an engine oil drain valve comprises a valve body 1, a chute 2, an oil drain hole 3, a sealing device 4, a fixing plate 5, a threaded rod 6, a hexagonal knob 7, an annular groove 8 and an oil drain pipe 9, the inner wall of the valve body 1 is provided with a chute 2, one side of the chute 2 is provided with an oil discharge hole 3, the inner wall of the chute 2 is connected with a sealing device 4 in a sliding way, a fixed plate 5 is fixed at one end of the inner wall of the chute 2 far away from the oil discharge hole 3, a threaded hole is arranged in the middle of the fixed plate 5, a threaded rod 6 is connected with the inner wall of the threaded hole in a threaded manner, and the threaded rod 6 is rotationally connected with the sealing device 4, one end of the threaded rod 6 passes through the threaded hole and is fixed with a hexagonal knob 7, annular groove 8 has been seted up to 2 inner walls of spout near the one end of oil drain hole 3, the one end that the valve body 1 outside is close to annular groove 8 is fixed with oil extraction pipe 9, and oil extraction pipe 9 and annular groove 8 intercommunication.

Sealing device 4 includes slide cartridge 10, sealed piece 11, telescopic link 12, connecting plate 13 and

spring

14, 2 inner wall sliding connection of spout have slide cartridge 10, the one end that slide cartridge 10 is close to oil drain hole 3 is fixed with sealed

piece

11, 11 one ends of sealed piece are fixed with telescopic link 12, the one end that sealed piece 11 was kept away from to telescopic link 12 is fixed with connecting plate 13, connecting plate 13 passes through the bearing and is connected with 6 rotations of threaded rod, slide cartridge 10 inner wall is equipped with

spring

14, 14 one end of spring and 11 fixed connection of sealed piece, and the spring 14 other end and the 13 fixed connection of connecting plate, be convenient for to oil drain hole 3 sealed.

The telescopic link 12 includes outer tube 15, slide bar 16 and

stopper

17, 11 one end of sealed piece is fixed with

outer tube

15, 15 inner wall sliding connection of outer tube has slide bar 16, outer tube 15 and connecting plate 13 fixed connection are passed to 16 one end of slide bar, 16 one ends of slide bar are fixed with stopper 17, and stopper 17 and 15 inner wall sliding connection of outer tube, are convenient for connecting plate 13 pulling sealed piece 11 movements.

Through holes are symmetrically formed in two ends of the hexagonal knob 7, thread grooves are symmetrically formed in two ends of the fixing plate 5, bolts 18 are inserted into the inner walls of the thread holes, and the bolts 18 are in threaded connection with the thread grooves, so that the hexagonal knob 7 can be conveniently fixed, and the threaded rod 6 is prevented from loosening.

And sealing rings 19 are embedded and fixed on the outer side of the sliding barrel 10 at equal intervals, so that the sealing performance of the sliding barrel 10 and the sliding chute 2 is improved.

The oil discharge pipe 9 outside is equipped with the screw thread, and oil discharge pipe 9 outside threaded connection has sealed lid 20, is convenient for carry out the shutoff to oil discharge pipe 9.

And a threaded joint 21 is fixed at one end of the valve body 1 close to the oil discharge hole 3, and the threaded joint 21 is communicated with the oil discharge hole 3, so that the valve body 1 and an engine can be conveniently installed.

Sealed piece 11 is close to the one end of oil drain hole 3 and is the setting of round platform form, the one end inner wall that oil drain hole 3 is close to sealed piece 11 is equipped with the chamfer, and sealed piece 11 pegs graft with oil drain hole 3, and the sealed piece 11 of being convenient for is sealed to oil drain hole 3.

The working principle is as follows: when the oil draining valve is used, the valve body 1 is installed at an oil draining port of an engine through the threaded connector 21, when oil needs to be drained, the bolt 18 on the hexagonal knob 7 is screwed off, at the moment, the hexagonal knob 7 is rotated, the threaded rod 6 is further driven to rotate, the threaded rod 6 moves on the fixed plate 5, the connecting plate 13 is further driven to be away from the oil draining hole 3, the connecting plate 13 drives the sliding rod 16 to move, the limiting block 17 on the sliding rod 16 pulls the outer pipe 15 to move, the sealing block 11 is further driven to move, the sealing block 11 is separated from the oil draining hole 3, oil enters the annular groove 8 from the oil draining hole 3 and is drained from the oil draining pipe 9, after drainage is finished, the hexagonal knob 7 is rotated again, the threaded rod 6 pushes the connecting plate 13 to move, the connecting plate 13 pushes the sealing block 11 to block the oil draining hole 3 through the spring 14, at the moment, the, make connecting plate 13 and slide cartridge 10 contact and extrude slide cartridge 10, make slide cartridge 10 spacing sealed piece 11, make sealed piece 11 unable activity, and the through-hole on hexagonal knob 7 is heavy with the thread groove this moment, people's accessible bolt 18 is fixed hexagonal knob 7 and fixed plate 5 this moment, make hexagonal knob 7 unable rotation, can prevent that threaded rod 6 from becoming flexible because of vibrations and leading to the phenomenon of sealed piece 11 oil leak, and even threaded rod 6 is not flexible, make connecting plate 13 when moving, sealed piece 11 also can seal oil drain hole 3 under spring 14's elasticity, reduce the oil leak phenomenon of oil drain hole 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engine fuel outlet valve, includes valve body (1), spout (2), oil drain hole (3), sealing device (4), fixed plate (5), threaded rod (6), hexagonal knob (7), ring channel (8) and oil extraction pipe (9), its characterized in that: spout (2) have been seted up to valve body (1) inner wall, oil drain hole (3) have been seted up to spout (2) one side, spout (2) inner wall sliding connection has sealing device (4), the one end that oil drain hole (3) were kept away from to spout (2) inner wall is fixed with fixed plate (5), threaded hole is seted up at fixed plate (5) middle part, threaded hole inner wall threaded connection has threaded rod (6), and threaded rod (6) rotate with sealing device (4) and be connected, threaded rod (6) one end is passed the screw hole and is fixed with hexagonal knob (7), annular groove (8) have been seted up to the one end that spout (2) inner wall is close to oil drain hole (3), the one end that is close to annular groove (8) in the valve body (1) outside is fixed with oil drain pipe (9), and oil drain pipe (9).

2. The engine drain valve of claim 1, wherein: sealing device (4) are including slide cartridge (10), sealed piece (11), telescopic link (12), connecting plate (13) and spring (14), spout (2) inner wall sliding connection has slide cartridge (10), the one end that slide cartridge (10) is close to oil drain hole (3) is fixed with sealed piece (11), sealed piece (11) one end is fixed with telescopic link (12), the one end that sealed piece (11) were kept away from in telescopic link (12) is fixed with connecting plate (13), connecting plate (13) rotate with threaded rod (6) through the bearing and are connected, slide cartridge (10) inner wall is equipped with spring (14), spring (14) one end and sealed piece (11) fixed connection, and spring (14) other end and connecting plate (13) fixed connection.

3. An engine drain valve according to claim 2, wherein: telescopic link (12) include outer tube (15), slide bar (16) and stopper (17), sealed piece (11) one end is fixed with outer tube (15), outer tube (15) inner wall sliding connection has slide bar (16), outer tube (15) and connecting plate (13) fixed connection are passed to slide bar (16) one end, slide bar (16) one end is fixed with stopper (17), and stopper (17) and outer tube (15) inner wall sliding connection.

4. The engine drain valve of claim 1, wherein: through holes are symmetrically formed in two ends of the hexagonal knob (7), thread grooves are symmetrically formed in two ends of the fixing plate (5), bolts (18) are inserted into the inner walls of the thread grooves in an inserted mode, and the bolts (18) are in threaded connection with the thread grooves.

5. An engine drain valve according to claim 2, wherein: and sealing rings (19) are embedded and fixed on the outer side of the sliding barrel (10) at equal intervals.

6. The engine drain valve of claim 1, wherein: the outer side of the oil discharge pipe (9) is provided with threads, and the outer side of the oil discharge pipe (9) is in threaded connection with a sealing cover (20).

7. The engine drain valve of claim 1, wherein: and a threaded joint (21) is fixed at one end of the valve body (1) close to the oil discharge hole (3), and the threaded joint (21) is communicated with the oil discharge hole (3).

8. An engine drain valve according to claim 2, wherein: one end that sealed piece (11) are close to oil drain hole (3) is the round platform form setting, the one end inner wall that oil drain hole (3) are close to sealed piece (11) is equipped with the chamfer, and sealed piece (11) are pegged graft with oil drain hole (3).