Sealing structure of corrosion-resistant engine oil dipstick

Abstract

The utility model discloses a sealing structure of a corrosion-resistant engine oil dipstick. Relates to the technical field of automobile lubricating systems, and comprises a grip, a clamping plate and a corrosion-resistant layer, a tightening ring is arranged at the bottom end of the grip, and a connecting column is arranged at the bottom end of the tightening ring. The engine oil dipstick is fixedly connected with the engine oil dipstick pipe through the cooperation of the external thread column and the internal thread groove formed in the engine oil dipstick pipe, meanwhile, the spring is arranged in the sleeving ring, the clamping plate is arranged on one side of the spring, and the outside of the engine oil dipstick pipe is clamped through the clamping plate; therefore, the stability of the engine oil dipstick pipe can be improved, shaking at the connecting position of the engine oil dipstick pipe and the engine oil dipstick is avoided, the sealing effect is further improved, and the problems that in the prior art, abrasion is prone to happening along with repeated insertion and extraction of the engine oil dipstick, and sealing fails at the connecting position due to continuous vibration of an engine are solved. And therefore, certain oil gas in the crankcase leaks to the atmosphere.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile lubricating system, concretely relates to a sealing structure of corrosion -resistant oil dipstick. BACKGROUND

[0002] The oil dipstick is generally installed on the crankcase, and the oil dipstick is used to show whether the oil quantity in the oil pan meets the requirement of the engine when the engine stops working. The sealing of the interface between the oil dipstick and the oil dipstick pipe should be good so that the oil gas in the crankcase does not leak to the atmosphere and pollutes the environment when the engine works. The O-shaped sealing ring or the plastic sealing belt is generally used at the interface between the oil dipstick and the oil dipstick pipe, and the sealing of the interface is easy to be damaged due to the repeated insertion and extraction of the oil dipstick and the vibration of the engine, so that the oil gas in the crankcase leaks to the atmosphere. SUMMARY

[0003] In view of the defects of the prior art, the utility model provides a sealing structure of corrosion -resistant oil dipstick, which solves the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A sealing structure of corrosion -resistant oil dipstick, including handle, clamping plate, corrosion -resistant layer, the bottom of handle is provided with tight ring, the bottom of tight ring is provided with connecting column, the surface of tight ring is provided with annular positioning lug, the periphery of positioning lug is provided with sleeve joint ring, the inside of sleeve joint ring is provided with positioning recess, positioning lug and positioning recess are movably connected, the lower end inner wall of sleeve joint ring is provided with symmetrical spring, the other side of spring is provided with clamping plate, the oil dipstick pipe is clamped through clamping plate, the bottom of connecting column is provided with external thread column, the lower part of external thread column is provided with oil dipstick pipe, the inside of oil dipstick pipe is provided with internal thread groove, external thread column and internal thread groove are screwed, the bottom of external thread column is provided with oil ruler, the surface of oil ruler is provided with corrosion -resistant layer.

[0006] Preferably, the outer wall of the connecting column is provided with a sealing disc, and the number of the sealing pieces is three.

[0007] Preferably, the diameter of the sealing disc is greater than the inner wall diameter of the oil dipstick pipe.

[0008] Preferably, the corrosion -resistant layer comprises an inorganic zinc-rich paint layer, the outer surface of the inorganic zinc-rich paint layer is coated with a Teflon coating layer, and the outer surface of the Teflon coating layer is coated with an epoxy coal tar pitch coating layer.

[0009] Preferably, the lower end outer surface of the oil gauge is provided with an upper limit, and the lower end outer surface of the oil gauge below the upper limit is provided with a lower limit.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The sealing structure of the corrosion-resistant oil gauge provided by the utility model is used in cooperation with the external thread column and the internal thread groove formed in the oil gauge tube, so as to fixedly connect the oil gauge and the oil gauge tube, and the positioning protrusions are arranged in the annular outer surface of the tight ring, the positioning recesses are formed in the inner part of the sleeve ring, the spring is arranged in the inner part of the sleeve ring, the clamping plate is arranged on one side of the spring, and the oil gauge tube is clamped from the outside by the clamping plate, so that the stability of the oil gauge tube is improved, the connection part of the oil gauge tube and the oil gauge is prevented from shaking, the sealing effect is further improved, the technical problems of the prior art, such as easy wear after the oil gauge is plugged and unplugged for many times, sealing failure at the interface due to continuous vibration of the engine, and leakage of certain oil gas in the crankcase into the atmosphere, are solved, and the service life of the oil gauge is prolonged.

[0012] The utility model discloses a connecting column is arranged at the top of the external thread column, and three groups of sealing discs are arranged on the periphery of the connecting column, so that the inner wall of the oil gauge tube is sealed by the sealing discs, and the sealing performance of the oil gauge tube is further improved.

[0013] The utility model discloses a corrosion-resistant layer is arranged on the surface of the oil gauge, and the inorganic zinc-rich paint layer, the Teflon coating layer and the epoxy coal pitch coating layer are matched with each other, so that the corrosion resistance of the oil gauge is greatly improved, the oil gauge is prevented from being corroded and damaged, and the service life of the oil gauge is prolonged. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the front view of the utility model.

[0015] Figure 2 It is the internal structure schematic view of the utility model.

[0016] Figure 3 It is the cross section view of the oil gauge.

[0017] Figure 4 It is Figure 2 the A place local structure amplification schematic view of

[0018] In the figure: 1, handle; 2, tight ring; 3, positioning protrusion; 4, sleeve ring; 5, positioning groove; 6, spring; 7, clamping plate; 8, oil level pipe; 9, internal thread groove; 10, connecting column; 11, sealing disc; 12, external thread column; 13, oil level; 14, corrosion-resistant layer; 14.1, inorganic zinc-rich paint layer; 14.2, Teflon coating layer; 14.3, epoxy coal tar coating layer; 15, upper limit; 16, lower limit. DETAILED DESCRIPTION

[0019] To further illustrate the embodiments, the utility model provides the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the related description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the figure are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0020] According to the embodiment of the utility model, a kind of sealing structure of corrosion-resistant oil level is provided.

[0021] Embodiment one:

[0022] As shown in the drawings of the specification Figure 1 A kind of sealing structure of corrosion-resistant oil level, including handle 1, clamping plate 7, corrosion-resistant layer 14, the bottom end of the handle 1 is provided with tight ring 2, the bottom end of the tight ring 2 is provided with connecting column 10, the surface of the tight ring 2 is annularly provided with positioning protrusion 3, the periphery of the positioning protrusion 3 is provided with sleeve ring 4, positioning groove 5 is opened in the inside of the sleeve ring 4, the positioning protrusion 3 and positioning groove 5 are movably connected, the lower end inner wall of the sleeve ring 4 is provided with symmetrical spring 6, the other side of the spring 6 is provided with clamping plate 7, oil level pipe 8 is clamped by clamping plate 7, the bottom end of the connecting column 10 is provided with external thread column 12, the lower portion of the external thread column 12 is provided with oil level pipe 8, internal thread groove 9 is opened in the inside of the oil level pipe 8, the external thread column 12 and internal thread groove 9 are threadedly connected, the bottom end of the external thread column 12 is provided with oil level 13, the surface of the oil level 13 is provided with corrosion-resistant layer 14.

[0023] Embodiment two:

[0024] As shown in the drawings of the specification Figure 1 , Figure 2 , Figure 3 And Figure 4As shown, a sealing structure of a corrosion-resistant oil dipstick is used in cooperation with the outer threaded column 12 and the inner threaded groove 9 formed in the oil dipstick tube 8, so as to fixedly connect the oil dipstick and the oil dipstick tube 8, and the positioning protrusions 3 are arranged in a ring shape on the outer surface of the tightening ring 2, the positioning recesses 5 are formed in the inner part of the sleeving ring 4, the spring 6 is arranged in the inner part of the sleeving ring 4, the clamping plate 7 is arranged on one side of the spring 6, and the outer part of the oil dipstick tube 8 is clamped by the clamping plate 7, so as to improve the stability of the oil dipstick tube 8, avoid shaking of the connection part between the oil dipstick tube 8 and the oil dipstick, further improve the sealing effect, solve the technical problems of easy wear after multiple plugging and unplugging of the oil dipstick and sealing failure at the interface due to continuous vibration of the engine in the prior art, and make certain oil gas in the crankcase leak into the atmosphere.

[0025] The connecting column 10 is arranged at the top end of the outer threaded column 12, three groups of sealing discs 11 are arranged on the periphery of the connecting column 10, and the inner wall of the oil dipstick tube 8 is sealed by the sealing discs 11, so as to further improve the sealing performance of the oil dipstick tube 8.

[0026] The corrosion-resistant layer 14 is arranged on the surface of the oil dipstick 13, the inorganic zinc-rich paint layer 14.1, the Teflon coating layer 14.2 and the epoxy coal tar coating layer 14.3 are used in cooperation, so as to greatly improve the corrosion resistance of the oil dipstick, prevent corrosion and damage of the oil dipstick, and further improve the service life of the oil dipstick.

[0027] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0028] In the utility model, unless another definite provision and limitation, for example, can be fixedly connected, also can be detachably connected, or be integrated;Can be mechanically connected, also can be electrically connected;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or mutual action relationship of two elements inside, unless another definite limitation, for the ordinary skilled in the art, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0029] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Finally, it should be noted that the above-described embodiments are merely possible embodiments of the present application, and thus are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified or equivalent replaced by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A seal for a corrosion resistant oil dipstick, characterized by: The utility model relates to a kind of oil level gauge, including handle (1), clamping plate (7), corrosion-resistant layer (14), the bottom end of the handle (1) is provided with tight ring (2), the bottom end of the tight ring (2) is provided with connecting column (10), the surface of the tight ring (2) is annularly provided with positioning lug (3), the periphery of the positioning lug (3) is provided with sleeve joint ring (4), positioning recess (5) is opened in the inside of the sleeve joint ring (4), the positioning lug (3) and positioning recess (5) are movably connected, the lower end inner wall of the sleeve joint ring (4) is provided with symmetrical spring (6), the other side of the spring (6) is provided with clamping plate (7), oil scale tube (8) is clamped by clamping plate (7), the bottom end of the connecting column (10) is provided with outer thread column (12), the lower portion of the outer thread column (12) is provided with oil scale tube (8), inner thread groove (9) is opened in the inside of the oil scale tube (8), the outer thread column (12) and inner thread groove (9) are threadedly connected, the bottom end of the outer thread column (12) is provided with oil ruler (13), the surface of the oil ruler (13) is provided with corrosion-resistant layer (14).

2. The corrosion resistant oil dipstick seal of claim 1, wherein: The outer wall of the connecting column (10) is provided with sealing disc (11), the number of the sealing disc (11) is 3.

3. A corrosion resistant oil dipstick seal as defined in claim 2, wherein: The diameter of the sealing disc (11) is greater than the inner wall diameter of the oil scale tube (8).

4. The corrosion resistant oil dipstick seal of claim 1, wherein: The corrosion-resistant layer (14) includes inorganic zinc-rich paint layer (14.1), the outer surface of the inorganic zinc-rich paint layer (14.1) is coated with Teflon coating layer (14.2), the outer surface of the Teflon coating layer (14.2) is coated with epoxy coal tar pitch coating layer (14.3).

5. The corrosion resistant oil dipstick seal of claim 1, wherein: The lower end outer surface of the oil ruler (13) is provided with upper limit (15), the lower end outer surface of the oil ruler (13) and below upper limit (15) are provided with lower limit (16).

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