阅读说明：本技术 一种油底壳总成放油螺栓总成结构 (Oil drain bolt assembly structure of oil pan assembly ) 是由 潘家瑜 冯宇 潘建文 潘鹏 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种油底壳总成放油螺栓总成结构,属于汽车零件领域,包括油底壳,油底壳的低端设置有放油孔,放油孔内通过螺纹连接有放油螺栓,放油螺栓的外表面滑动套接有垫片,放油螺栓的外表面滑动套接有密封垫,该油底壳总成放油螺栓总成结构在放油螺栓处设置有垫片和密封垫,不仅具有密封放油螺栓和放油孔之间缝隙的作用,还具有紧固放油螺栓的作用,同时通过凸起与凹槽的卡接,具有限制放油螺栓位置的作用,防止其发生脱落滑丝导致漏油的现象,具有保证放油螺栓密封油底壳的作用,又在放油孔的最上端卡接有密封盖,密封盖设置有密封堵和密封圈,使得放油螺栓的密封性较好,使用寿命较长,无需经常更换,利于使用。(The invention discloses an oil drain bolt assembly structure of an oil pan assembly, which belongs to the field of automobile parts and comprises an oil pan, wherein an oil drain hole is arranged at the lower end of the oil pan, an oil drain bolt is connected in the oil drain hole through threads, a gasket is sleeved on the outer surface of the oil drain bolt in a sliding manner, a sealing gasket is sleeved on the outer surface of the oil drain bolt in a sliding manner, the gasket and the sealing gasket are arranged at the oil drain bolt position of the oil pan assembly oil drain bolt assembly structure, not only has the function of sealing a gap between the oil drain bolt and the oil drain hole, but also has the function of fastening the oil drain bolt, and simultaneously has the function of limiting the position of the oil drain bolt through the clamping of a bulge and a groove, so as to prevent the oil drain bolt from falling and sliding threads to cause oil leakage, ensure the oil drain bolt to seal the oil pan, and clamp a sealing cover at the uppermost end of the oil drain hole, and arrange a sealing plug and a sealing ring on the sealing cover, so that the sealing performance of the oil drain bolt is better, the service life is longer, need not often to change, does benefit to the use.)

1. The utility model provides an oil pan assembly oil drain bolt assembly structure, includes oil pan (1), its characterized in that: the low side of oil pan (1) is provided with oil drain hole (2), there is oil drain bolt (3) through threaded connection in oil drain hole (2), gasket (4) have been cup jointed in the surface slip of oil drain bolt (3), the surface slip of oil drain bolt (3) has cup jointed sealed pad (5), both ends symmetry is provided with spring groove (6) about oil pan (1), sliding connection has spring (7) in spring groove (6), sliding connection has backup pad (8) in spring groove (6), the one end fixedly connected with bracing piece (9) of backup pad (8), the one end fixedly connected with of bracing piece (9) is protruding (10), both ends symmetry is provided with recess (11) about oil drain bolt (3), protruding (10) and recess (11) joint.

2. The oil pan assembly oil drain bolt assembly structure of claim 1, wherein: the upper end of the oil drain hole (2) is clamped with a sealing cover (12).

3. The oil pan assembly oil drain bolt assembly structure of claim 2, wherein: the middle part of the inside of the sealing cover (12) is provided with a sealing plug (13).

4. The oil pan assembly oil drain bolt assembly structure of claim 2, wherein: and a sealing ring (14) is arranged around the inside of the sealing cover (12).

5. The oil pan assembly oil drain bolt assembly structure of claim 1, wherein: the cross sectional areas of the gasket (4) and the sealing gasket (5) are the same and are both larger than the cross sectional area of the oil drainage bolt (3).

6. The oil pan assembly oil drain bolt assembly structure of claim 1, wherein: the sealing gasket (5) is positioned at the lower end of the gasket (4).

7. The oil pan assembly oil drain bolt assembly structure of claim 1, wherein: the lower surface of the sealing gasket (5) is in contact with the oil pan (1).

8. The oil pan assembly oil drain bolt assembly structure of claim 1, wherein: one end of the spring (7) is in contact with the inner wall of the spring groove (6).

9. The oil pan assembly oil drain bolt assembly structure of claim 8, wherein: the other end of the spring (7) is in contact with the surface of the support plate (8).

10. The oil pan assembly oil drain bolt assembly structure of claim 4, wherein: and the sealing ring (14) is clamped on the outer surface of the head part of the oil drainage bolt (3).

Technical Field

The invention relates to the field of automobile parts, in particular to an oil drain bolt assembly structure of an oil pan assembly.

Background

The oil pan is the lower half of the crankcase, also called lower crankcase, its function is to close the crankcase as the outer casing of the oil storage tank, prevent the impurity from entering, and collect and store the lubricating oil that flows back by each friction surface of the diesel engine, dispel some heat, prevent the lubricating oil from oxidizing, the lowest department of bottom of the oil pan has oil drain holes, install the oil drain bolt in the oil drain hole, the oil drain bolt has the function of sealing the oil pan, when the engine does maintenance and needs to change oil at the same time, just twist off this screw and emit the engine oil in the original engine, twist on the screw and fill new engine oil from the filler hole above the engine.

At present, some oil pan assembly oil drain bolt assembly structures that exist on the market are directly installed in the oil drain hole through an oil drain bolt, seal the oil pan, and the car uses for a long time, takes place to top the woman's dead in a year when traveling, takes place the bolt easily and drops the phenomenon that the smooth silk leads to the oil leak, and the leakproofness that leads to the oil drain bolt is relatively poor, and life is shorter, and needs often to change, is unfavorable for the use.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide an oil drain bolt assembly structure of an oil pan assembly, which is characterized in that a gasket and a sealing gasket are arranged at an oil drain bolt, so that the oil drain bolt structure not only has the function of sealing a gap between the oil drain bolt and an oil drain hole, but also has the function of fastening the oil drain bolt, and meanwhile, through the clamping connection of a protrusion and a groove, the oil drain bolt structure has the function of limiting the position of the oil drain bolt, so that the oil drain bolt structure is prevented from falling off and slipping to cause oil leakage, the oil pan is ensured to be sealed by the oil drain bolt, the sealing cover is clamped at the uppermost end of the oil drain hole, and is provided with a sealing plug and a sealing ring, so that the oil drain bolt has better sealing property and longer service life, does not need to be frequently replaced, and is beneficial to use.

In order to solve the above problems, the present invention adopts the following technical solutions.

An oil drain bolt assembly structure of an oil pan assembly comprises an oil pan, wherein an oil drain hole is formed in the lower end of the oil pan, an oil drain bolt is connected in the oil drain hole through threads, a gasket is sleeved on the outer surface of the oil drain bolt in a sliding mode, a sealing gasket is sleeved on the outer surface of the oil drain bolt in a sliding mode, spring grooves are symmetrically formed in the left end and the right end of the oil pan, springs are connected in the spring grooves in a sliding mode, a supporting plate is connected in the spring grooves in a sliding mode, a supporting rod is fixedly connected to one end of the supporting plate, a protrusion is fixedly connected to one end of the supporting rod, grooves are symmetrically formed in the left end and the right end of the oil drain bolt, the protrusion is connected with the grooves in a clamping mode, the gasket and the sealing gasket are arranged at the oil drain bolt, the oil drain bolt assembly structure has the function of sealing a gap between the oil drain bolt and the oil drain hole and the function of fastening the oil drain bolt, simultaneously through the joint of arch and recess, have the effect of restriction oil drain bolt position, prevent that it from taking place to drop smooth silk and lead to the phenomenon of oil leak, have the effect of guaranteeing the sealed oil pan of oil drain bolt, have sealed lid in the top joint of oil drain hole again, sealed lid is provided with sealed stifled and sealing washer for oil drain bolt's leakproofness is better, and life is longer, need not frequent change, does benefit to the use.

Furthermore, the upper end joint of oil drain hole has sealed lid.

Furthermore, a sealing plug is arranged in the middle of the inside of the sealing cover.

Furthermore, a sealing ring is arranged around the inside of the sealing cover.

Furthermore, the cross-sectional areas of the gasket and the sealing gasket are the same and are larger than the cross-sectional area of the oil drainage bolt, and the gasket and the sealing gasket have the function of fastening the threaded connection of the oil drainage bolt, so that the phenomenon of oil leakage caused by falling and thread slipping is prevented.

Further, the sealing gasket is positioned at the lower end of the gasket.

Furthermore, the lower surface of the sealing gasket is in contact with the oil pan, and the sealing gasket not only has the function of sealing a gap at the joint of the oil drain bolt and the oil drain hole, but also has the function of fastening the threaded connection of the oil drain bolt.

Further, one end of the spring is in contact with the inner wall of the spring groove.

Furthermore, the other end of the spring is in contact with the surface of the supporting plate, and the spring belongs to a return spring and has elasticity and a return effect.

Furthermore, the sealing washer joint is at the head surface of oil drain bolt, and the sealing washer has the effect of sealed oil drain hole.

Compared with the prior art, the invention has the advantages that:

(1) this scheme is provided with gasket and sealed pad in oil drain bolt department, not only have the effect in gap between sealed oil drain bolt and the oil drain hole, the effect of fastening oil drain bolt still has, simultaneously through the joint of arch and recess, the effect of restriction oil drain bolt position has, prevent that it from taking place to drop smooth silk and leading to the phenomenon of oil leak, the effect of the sealed oil pan of oil drain bolt has the assurance, the top joint in the oil drain hole has sealed lid again, sealed lid is provided with sealed stifled and sealing washer, make oil drain bolt's leakproofness better, long service life, need not frequent change, do benefit to the use.

(2) The cross-sectional areas of the gasket and the sealing gasket are the same and are larger than the cross-sectional area of the oil drainage bolt, and the gasket and the sealing gasket have the function of fastening the threaded connection of the oil drainage bolt, so that the phenomenon of oil leakage caused by falling and thread slipping is prevented.

(3) The lower extreme that sealed pad is located the gasket, and the lower surface and the oil pan contact of sealed pad seal up, sealed pad not only have the effect in sealed oil drain bolt and oil drain hole junction gap, still have the effect of fastening oil drain bolt threaded connection.

(4) One end of the spring is in contact with the inner wall of the spring groove, the other end of the spring is in contact with the surface of the supporting plate, and the spring belongs to a return spring and has elasticity and a return effect.

(5) The sealing washer joint is at the head surface of oil drain bolt, and the sealing washer has the effect of sealed oil drain hole.

Drawings

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

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

The reference numbers in the figures illustrate:

the oil pan is 1, the oil drain hole is 2, the oil drain bolt is 3, the gasket is 4, the sealing gasket is 5, the spring groove is 6, the spring is 7, the supporting plate is 8, the supporting rod is 9, the protrusion is 10, the groove is 11, the sealing cover is 12, the sealing plug is 13, and the sealing ring is 14.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Referring to fig. 1-3, an oil drain bolt assembly structure of an oil pan assembly comprises an oil pan 1, referring to fig. 1-3, an oil drain hole 2 is arranged at the lower end of the oil pan 1, an oil drain bolt 3 is connected in the oil drain hole 2 through threads, the oil drain bolt 3 has the function of sealing the oil drain hole 2, a gasket 4 is sleeved on the outer surface of the oil drain bolt 3 in a sliding manner, a sealing gasket 5 is sleeved on the outer surface of the oil drain bolt 3 in a sliding manner, the sealing gasket 5 is made of rubber, the rubber is soft and has good elasticity and sealing performance, spring grooves 6 are symmetrically arranged at the left end and the right end of the oil pan 1, springs 7 are connected in the spring grooves 6 in a sliding manner, a supporting plate 8 is connected in the spring grooves 6 in a sliding manner, a supporting rod 9 is fixedly connected at one end of the supporting plate 8, a protrusion 10 is fixedly connected at one end of the supporting rod 9, and the hemispherical protrusion 10 and a groove 11 are arranged, have convenient protruding 10 and recess 11 joint, perhaps break away from the effect of recess 11, the both ends symmetry is provided with recess 11 about oil drain bolt 3, protruding 10 and recess 11 joint, and the upper end joint of oil drain hole 2 has sealed lid 12, and sealed lid 12 not only has the effect of sealed oil drain hole 2, still has the effect of protection oil drain bolt 3, and the inside middle part of sealed lid 12 is provided with sealed stifled 13, and the inside of sealed lid 12 is provided with sealing washer 14 all around.

Referring to fig. 2, the cross-sectional areas of the gasket 4 and the sealing gasket 5 are the same and are both larger than the cross-sectional area of the oil drain bolt 3, the gasket 4 and the sealing gasket 5 both have the function of fastening the threaded connection of the oil drain bolt 3 to prevent the gasket from falling off and slipping to cause oil leakage, the sealing gasket 5 is located at the lower end of the gasket 4, the lower surface of the sealing gasket 5 is in contact with the oil pan 1, and the sealing gasket 5 not only has the function of sealing the gap at the joint of the oil drain bolt 3 and the oil drain hole 2, but also has the function of fastening the threaded connection of the oil drain bolt 3.

Referring to fig. 2 and 3, one end of the spring 7 is in contact with the inner wall of the spring groove 6, the other end of the spring 7 is in contact with the surface of the support plate 8, the spring 7 belongs to a return spring and has elasticity and a return action, the sealing ring 14 is clamped on the outer surface of the head of the oil drain bolt 3, and the sealing ring 14 has the function of sealing the oil drain hole 2.

When the oil pan assembly oil drain bolt assembly structure is used, firstly, the gasket 4 is sleeved on the outer surface of the oil drain bolt 3, then the sealing gasket 5 is sleeved on the outer surface of the oil drain bolt 3, finally, the oil drain bolt 3 is installed inside the oil drain hole 2 through threads, the gasket 4 and the sealing gasket 5 not only have the function of fastening the oil drain bolt 3, but also have the function of sealing the oil drain hole 2, in the process of screwing up the oil drain bolt 3, the oil drain bolt 3 extrudes the bulge 10, the bulge 10 extrudes the supporting rod 9 and the supporting plate 8, so that the spring 7 is compressed, the bulge 10 retracts into the spring groove 6, until the oil drain bolt 3 is screwed up and fixed, the bulge 10 has no extrusion force, the spring 7 resets, the reset function of the spring 7 pushes the supporting plate 8 and the supporting rod 9, so that the bulge 10 is driven to move to be clamped with the groove 11, and the bulge 10 and the groove 11 are clamped, so that the vertical position of the oil drain bolt 3 is limited, make it when using, can not take place the anticreep, the landing, lead to the phenomenon of oil leak, the back is accomplished in the installation of oil drain bolt 3, will seal 12 joints of lid in the upper end of oil drain hole 2, sealed 13 joints are in the inside of oil drain hole 2, 14 joints of sealing washer are at oil drain bolt 3's head surface, combined action through the three, not only have sealed oil drain hole 2's effect, still have protection oil drain bolt 3's effect, make the car at the in-process of traveling, also can not be because of the top of a woman's dead in a woman's mind, it drops to take place oil drain bolt 3, lead to the phenomenon of oil leak, and when oil drain bolt 3 takes off to carry out the oil drain in needs, reverse repeated above-mentioned operation can, and is simple in operation, and convenient to use.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.