阅读说明：本技术 一种汽车发动机用放油阀 (Oil drain valve for automobile engine ) 是由 曹爱彬 于 2021-08-13 设计创作，主要内容包括：本发明涉及排油设备技术领域,且公开了一种汽车发动机用放油阀,包括阀体,所述阀体的右侧与发动机螺旋固定,所述阀体右侧的中部固定套装有密封套,所述阀体右侧的中部且与密封套配合活动套装有旋转抽头,所述旋转抽头的伸出端对称开设有抽孔,所述阀体的中部且与旋转抽头同轴活动套装有阀块。该汽车发动机用放油阀,通过阀块右端的外表面开设有螺纹槽与阀体配合,卡套与旋套左右滑动套装,使得设备在套入抽吸管后,卡套与阀块套装卡紧,可通过旋转旋套来带动卡套和阀块进行旋转,阀块与阀体的螺纹段可分离与配合,进而带动阀头与旋转抽头的密封与打开,实现对设备的简单开关操作,设备在安装到发动机时,安装方便。(The invention relates to the technical field of oil discharge equipment and discloses an oil drain valve for an automobile engine, which comprises a valve body, wherein the right side of the valve body is spirally fixed with the engine, the middle part of the right side of the valve body is fixedly sleeved with a sealing sleeve, the middle part of the right side of the valve body is movably sleeved with a rotary tap in a matching way, the extending end of the rotary tap is symmetrically provided with a drawing hole, and the middle part of the valve body is movably sleeved with a valve block coaxially with the rotary tap. This fuel outlet valve for automobile engine, the surface through the valve block right-hand member has seted up thread groove and valve body cooperation, the cutting ferrule with revolve cover horizontal slip suit, make equipment after emboliaing the suction tube, cutting ferrule and valve block suit chucking, the rotatory cover that revolves of accessible drives cutting ferrule and valve block and rotates, the valve block is separable and the cooperation with the screw thread section of valve body, and then drive the valve head and take a percentage sealed with opening with rotatory, realize the simple switch operation to equipment, equipment is when installing the engine, simple to operate.)

1. The utility model provides an oil drain valve for automobile engine, includes valve body (1), its characterized in that: the right side of valve body (1) is fixed with the engine spiral, the fixed cover in middle part on valve body (1) right side is equipped with seal cover (2), the middle part on valve body (1) right side just cooperates movable sleeve with seal cover (2) and is equipped with rotatory tap (3), draw hole (4) have been seted up to the end symmetry that stretches out of rotatory tap (3), the middle part of valve body (1) just with rotatory tap (3) coaxial movable sleeve be equipped with valve block (5), through-hole (6) have been seted up to the outer lane on valve block (5) right side, the middle part of valve block (5) right-hand member just has valve head (7) with the mesopore cooperation integrated into one piece of rotatory tap (3), the middle part of valve body (1) left end just has cutting ferrule (8) with valve block (5) card cover, the outer lane cover of cutting ferrule (8) is equipped with and revolves cover (9).

2. The fuel drain valve for an automobile engine according to claim 1, characterized in that: the suction pipe can be sleeved in the valve block (5), the rotary sleeve (9) is movably sleeved with the valve body (1), a spring (10) is installed above the right side of the rotary sleeve (9), a sliding block (11) is fixedly installed at the right end of the spring (10), a fastening sleeve ring (12) is fixedly installed in the middle of the lower surface of the sliding block (11), the fastening sleeve ring (12) is in friction fit with the valve block (5), a rocker (13) is movably sleeved on the upper surface of the right side of the sliding block (11), a crank (14) is movably sleeved at the right end of the rocker (13), a gear (15) is coaxially installed at the left end of the crank (14), transmission teeth (16) are meshed below the gear (15), a worm (17) is meshed above the left end of a rotary tap (3), the lower side of the transmission teeth (16) is meshed with a shaft of the worm (17), and a boss (18) is integrally formed with a matching surface of a through hole (6) in an inner cavity of the valve body (1), the middle part of boss (18) is movable sleeve to be equipped with current-limiting rod (19), the right-hand member fixed mounting of current-limiting rod (19) has extension spring (20).

3. The fuel drain valve for an automobile engine according to claim 1, characterized in that: the outer surface of the right end of the valve block (5) is provided with a thread groove matched with the valve body (1).

4. The fuel drain valve for an automobile engine according to claim 1, characterized in that: the cutting sleeve (8) and the rotary sleeve (9) are sleeved in a sliding mode from side to side and are coaxially rotated for limiting.

5. The fuel drain valve for an automobile engine according to claim 1, characterized in that: a moving space is reserved between the fastening lantern ring (12) and the rotary sleeve (9), and the length of a thread groove formed in the right end of the valve block (5) is matched with the length of the valve head (7).

6. The fuel drain valve for an automobile engine according to claim 1, characterized in that: the current-limiting rod (19) protrudes out of the boss (18) in a relaxed state, and the leftward movement amount of the slide block (11) is matched with the protruding amount of the current-limiting rod (19).

Technical Field

The invention relates to the technical field of oil discharge equipment, in particular to an oil drain valve for an automobile engine.

Background

The oil drain valve is a one-way valve body which utilizes vacuum suction formed by additional equipment to discharge used lubricating oil in equipment such as various engines, wave boxes and differentials into a sealed container, and is widely applied to automobile engines and various machine tools, and the lubricating oil is sucked into the sealed container, so that the pollution of waste engine oil to atmosphere, soil and water is avoided, and the waste lubricating oil can be thoroughly sucked out.

The existing oil drain valve needs to rotate a knob above the oil drain valve by means of an external clamping piece after a suction pipe is inserted, so that the valve is opened, a vortex is formed at the bottom of an engine under the action of suction force, sediments such as oil sludge are lifted and sucked out, the oil drain speed is high, and the oil drain is clean in discharge.

The convex knob height in top is high in current fuel outlet valve in the use, when the installation, because the protrusion is too high, installation operation is difficult, is blockked by next door part easily, and simultaneously under the effect of suction force, the swirl revolving force of formation is less, and the discharge effect is not ideal.

Disclosure of Invention

The invention provides an oil drain valve for an automobile engine, which has the advantages of convenience in installation, simplicity in opening and closing of the valve, high speed of generated vortex and good decontamination effect, and solves the problems that the valve is difficult to open, high in height, easy to install and block, and poor in vortex flow velocity decontamination effect.

The invention provides the following technical scheme: the utility model provides an oil drain valve for automobile engine, includes the valve body, the right side of valve body is fixed with the engine spiral, the fixed cover in middle part on valve body right side is equipped with the seal cover, the middle part on valve body right side and with seal cover cooperation movable sleeve be equipped with the rotation take a percentage, the end symmetry that stretches out of taking a percentage has seted up the pump hole, the middle part of valve body and with the coaxial movable sleeve of taking a percentage of rotation be equipped with the valve block, the through-hole has been seted up to the outer lane on valve block right side, the middle part of valve block right-hand member and with the rotatory mesopore cooperation integrated into one piece of taking a percentage have the valve head, the middle part of valve body left end and with valve block card cover have the cutting ferrule, the outer lane cover of cutting ferrule is equipped with revolves the cover.

As preferred, but the cover is equipped with the suction tube in the valve block, revolve cover and valve body movable sleeve dress, revolve the top on cover right side and install the spring, the right-hand member fixed mounting of spring has the slider, the middle part fixed mounting of slider lower surface has the fastening lantern ring, the fastening lantern ring is with valve block friction sleeve dress, the upper surface movable sleeve on slider right side is equipped with the rocker, the right-hand member movable sleeve of rocker is equipped with the crank, articulate left end coaxial arrangement has the gear, the meshing of the below of gear has the driving tooth, the meshing of the top of the rotatory left end of taking a percentage has the worm, the below of driving tooth and the axle meshing of worm, valve body inner chamber and through-hole fitting surface integrated into one piece have the boss, the middle part movable sleeve of boss is equipped with the current-limiting rod, the right-hand member fixed mounting of current-limiting rod has the extension spring.

Preferably, the outer surface of the right end of the valve block is provided with a thread groove matched with the valve body.

Preferably, the cutting sleeve and the rotary sleeve are sleeved in a left-right sliding mode and are limited in a coaxial rotating mode.

Preferably, a moving space is reserved between the fastening lantern ring and the rotary sleeve, and the length of a thread groove formed in the right end of the valve block is matched with the length of the valve head.

Preferably, the current-limiting rod protrudes out of the boss in a relaxed state, and the leftward movement amount of the slider is matched with the protruding amount of the current-limiting rod.

The invention has the following beneficial effects:

1. this fuel outlet valve for automobile engine, the surface through the valve block right-hand member has seted up thread groove and valve body cooperation, the cutting ferrule with revolve cover horizontal slip suit, make equipment after emboliaing the suction tube, cutting ferrule and valve block suit chucking, the rotatory cover that revolves of accessible drives cutting ferrule and valve block and rotates, the valve block is separable and the cooperation with the screw thread section of valve body, and then drive the valve head and take a percentage sealed with opening with rotatory, realize the simple switch operation to equipment, equipment is when installing the engine, simple to operate.

2. The oil drain valve for the automobile engine is characterized in that the length of a thread groove formed in the right end of a valve block is matched with the length of a valve head, under the action of suction force, the flow of a through hole is small, the pressure on the valve block is large, the valve block can be driven to move leftwards, a sliding block can be driven to move leftwards under the friction action of a fastening sleeve ring and the valve block, a gear can be driven to rotate, a worm is driven to drive a rotary tap to rotate, the rotary tap can rapidly generate a vortex with high rotating speed when sucking, waste lubricating oil is discharged more rapidly and cleanly, a limiting rod protrudes out of a boss in a loosening state, the leftward movement amount of the sliding block is matched with the protruding amount of the limiting rod, after the valve head is separated from the rotary tap, the flow of the limiting rod, which extends out of the through hole, is limited under the action of suction force, the valve block moves leftwards under the pressure, the sliding block is driven to move, and when the sliding block moves to the leftmost side, flow limiting rod and through-hole separation, the flow increase, valve piece right side pressure reduces, and the slider return under the effect of spring, the same return of valve piece again with the cooperation of flow limiting rod, reach the continuous rotation of counter gear for rotatory taking a percentage can last the rotation, can keep the swirl of great velocity of flow, the change of the suction velocity of flow simultaneously, make the swirl velocity of flow change, the greasy dirt collides with the greasy dirt, and is cleaner to engine bottom clearance.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the right end face structure of the valve block of the present invention;

FIG. 4 is a schematic side view of the fitting surface between the inner cavity of the valve body and the right end face of the valve block according to the present invention;

FIG. 5 is a side view of the worm of the present invention.

In the figure: 1. a valve body; 2. sealing sleeves; 3. rotating the tap; 4. drawing the hole; 5. a valve block; 6. a through hole; 7. a valve head; 8. a card sleeve; 9. screwing a sleeve; 10. a spring; 11. a slider; 12. fastening a collar; 13. a rocker; 14. a crank; 15. a gear; 16. a transmission gear; 17. a worm; 18. a boss; 19. a flow-restricting lever; 20. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an oil drain valve for an automobile engine comprises a valve body 1, the right side of the valve body 1 is spirally fixed with the engine, the middle part of the right side of the valve body 1 is fixedly sleeved with a sealing sleeve 2, the middle part of the right side of the valve body 1 is movably sleeved with a rotary tap 3 in cooperation with the sealing sleeve 2, the extending end of the rotary tap 3 is symmetrically provided with a drawing hole 4, the middle part of the valve body 1 is movably sleeved with a valve block 5 coaxially with the rotary tap 3, the outer surface of the right end of the valve block 5 is provided with a thread groove to be matched with the valve body 1, so that the valve block 5 can drive the valve head 7 to be separated from and matched with the rotary tap 3 after rotating to achieve the opening and closing function of oil drain, the outer ring of the valve block 5 is provided with a through hole 6, the middle part of the right end of the valve block 5 is matched with a middle hole of the rotary tap 3 to form a valve head 7, the middle part of the left end of the valve body 1 is clamped with a clamping sleeve 8, and the outer ring is sleeved with a rotary sleeve 9, the cutting sleeve 8 and the rotary sleeve 9 are sleeved in a left-right sliding mode, the cutting sleeve 8 is driven to move rightwards to be clamped with the valve block 5 after being inserted into a suction pipe, the rotary sleeve 9 can drive the cutting sleeve 8 to rotate, the valve block 5 can be driven to rotate, the opening and closing effect on the valve body 1 is achieved, the suction pipe can be sleeved in the valve block 5, the rotary sleeve 9 is movably sleeved with the valve body 1, a spring 10 is installed above the right side of the rotary sleeve 9, a sliding block 11 is fixedly installed at the right end of the spring 10, a fastening sleeve ring 12 is fixedly installed in the middle of the lower surface of the sliding block 11, the fastening sleeve ring 12 is in friction fit with the valve block 5, a rocker 13 is movably sleeved on the upper surface of the right side of the sliding block 11, a crank 14 is movably sleeved at the right end of the rocker 13, a gear 15 is coaxially installed at the left end of the crank 14, a transmission gear 16 is meshed below the gear 15, a worm 17 is meshed above the left end of the rotary tap 3, the lower side of the transmission gear 16 is meshed with a shaft of the worm 17, a boss 18 is integrally formed on the matching surface of the inner cavity of the valve body 1 and the through hole 6, a current-limiting rod 19 is movably sleeved in the middle of the boss 18, a tension spring 20 is fixedly installed at the right end of the current-limiting rod 19, a moving space is reserved between a fastening sleeve ring 12 and a rotary sleeve 9, the length of a thread groove formed at the right end of a valve block 5 is matched with the length of a valve head 7, under the action of suction force, the flow of the through hole 6 is small, the pressure on the valve block 5 is large, the valve block 5 can be driven to move leftwards, a sliding block 11 can be driven to move leftwards under the friction action of the fastening sleeve ring 12 and the valve block 5, a gear 15 can be driven to rotate, a worm 17 is driven to drive a rotary tap 3 to rotate, the rotary tap 3 can rapidly generate a vortex with large rotating speed when sucking, waste lubricating oil is discharged cleaner, the current-limiting rod 19 protrudes out of the boss 18 in a more relaxed state, the leftward movement amount of the sliding block 11 is matched with the extension amount of the current-limiting rod 19, make valve block 5 move back through-hole 6 and the cooperation of current-limiting rod 19 in rotatory left side, through-hole 6 is plugged up partly, current-limiting rod 19 stretches out under the suction force effect, valve block 5 moves left under pressure, drive slider 11 and remove, when slider 11 moves to the leftmost side, current-limiting rod 19 separates with through-hole 6, the flow increases, valve block 5 right side pressure reduces, slider 11 return under spring 10's effect, valve block 5 same return cooperates with current-limiting rod 19 once more, reach the continuous rotation to gear 15, make rotatory tap 3 can continuously rotate, can keep the swirl of great velocity of flow, the change of the suction velocity of flow simultaneously, make swirl velocity of flow change, the greasy dirt collides with the greasy dirt, it is cleaner to clear up the engine bottom.

The working principle of the oil drain valve is as follows:

the oil pumping pipe is sleeved in the clamping sleeve 8 and extends into the valve block 5, the oil pumping pipe drives the clamping sleeve 8 to move to be clamped and fastened with the valve block 5, the oil pumping pipe is fixed, the rotary sleeve 9 drives the clamping sleeve 8 and the valve block 5 to rotate, the right end thread of the valve block 5 is separated from the valve body 1, the valve block 5 moves leftwards, the valve head 7 is separated from the inner hole of the rotary tap 3, waste lubricating oil in an engine is sucked out under the suction action of a suction pipe, the flow limiting rod 19 is matched with the through hole 6 at the moment, the flow limiting rod 19 is sucked and pulled out to limit the flow of the through hole 6, when the valve block 5 moves leftwards, the sliding block 11 is driven to move leftwards under the action of the fastening sleeve ring 12, the rotary tap 3 can rotate under the transmission of the gear 15 and the transmission gear 16, the vortex formed by the suction of the suction hole 4 is quicker, when the valve block 5 moves to the leftmost side, the flow limiting rod 19 is separated from the through hole 6, the flow is increased, the pressure of the right side of the valve block 5 is reduced, the sliding block 11 can return under the action of the spring 10, the valve block 5 can be driven to move rightwards under the action of the fastening sleeve ring 12 and is matched with the flow limiting rod 19 again, the pressure on the right side of the valve block 5 is increased and moves leftwards, the gear 15 can be driven to rotate continuously, the rotary tap 3 further rotates continuously, after oil pumping is completed, the suction pipe is held by hand and the rotation is pushed, the valve block 5 is in threaded fit with the valve body 1, and the inner hole of the rotary tap 3 is blocked by the valve head 7.

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.