High-temperature-resistant engine oil dipstick sleeve

Abstract

The utility model discloses a high-temperature resistant engine oil dipstick casing pipe in the technical field of engines, which comprises a casing pipe body and a mounting seat, a heat insulation belt is wound on the outer side wall of the casing pipe body, a heat insulation pipe is fixedly connected to the outer side wall of the heat insulation belt, and a protective pipe is fixedly connected to the outer side wall of the heat insulation pipe. A first spring is embedded in the protection pipe, an annular groove is formed in the periphery of the top of the mounting base, a second spring is fixedly connected to the bottom of an inner cavity of the annular groove, an annular plate is fixedly connected to the top of the second spring, an anti-skid pad is fixedly connected to the top of the annular plate, and a limiting plate is arranged at the top of the mounting base; according to the high-temperature-resistant engine oil dipstick sleeve, the structural design is reasonable, when an oil dipstick and a sleeve body are in butt joint, separation caused by vibration can be avoided, the sealing performance is improved, and the service life of the sleeve body can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to engine technical field, concretely is a kind of high-temperature-resistant engine oil scale sleeve. BACKGROUND

[0002] General engine oil scale sleeve and oil-gas separator oil return pipe are independent, and the oil scale sleeve is used to install and fix oil scale, and the longer oil scale sleeve generally adopts the scheme of steel joint plus nylon pipe, and the oil scale sleeve and the oil-gas separator oil return pipe each have an interface connected to crankcase or oil pan.

[0003] The existing engine oil scale sleeve does not have fixed locking mechanism between oil scale and sleeve, and is generally fixed in the way of clamping or screwing, but engine will vibrate during vehicle operation, especially when engine is started, and the vibration is large, which can cause loosening between oil scale and sleeve, reduce the sealing between oil scale and sleeve, affect the operation of engine, and the temperature is high during engine operation, the oil scale sleeve is placed in engine, and the service life of oil scale sleeve can be reduced over time, so a high-temperature-resistant engine oil scale sleeve is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of high-temperature-resistant engine oil scale sleeve, to solve the problem that the vibration is large in the background art described above, which can cause loosening between oil scale and sleeve, reduce the sealing between oil scale and sleeve, the temperature is high during engine operation, the oil scale sleeve is placed in engine, and the service life of oil scale sleeve can be reduced over time.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-temperature-resistant engine oil scale sleeve, including sleeve body and mounting seat, the outer side wall of the sleeve body is wound with heat insulation band, the outer side wall of the heat insulation band is fixedly connected with heat insulation pipe, the outer side wall of the heat insulation pipe is fixedly connected with protective tube, the first spring is inlaid in the inside of the protective tube, the top of the mounting seat is opened with annular groove, the inner chamber bottom of the annular groove is fixedly connected with second spring, the top of the second spring is fixedly connected with annular plate, the top of the annular plate is fixedly connected with non-slip pad, the top of the mounting seat is equipped with limit plate, the bottom of the limit plate is fixedly connected with stud, the stud is screwed in the inner chamber of the mounting seat, the bottom of the limit plate is fixedly connected with extrusion sleeve around, the bottom of the extrusion sleeve is in contact with the non-slip pad.

[0006] Preferably, the heat insulation bands are interlaced, and the heat insulation bands are made of glass fiber.

[0007] Preferably, the heat insulation pipe is made of ceramic fiber material, and the protective pipe is made of phenyl silicone rubber material.

[0008] Preferably, the bottom of the stud is fixedly connected with an oil scale, the bottom end of the oil scale penetrates through the sleeve body and extends to the bottom of the sleeve body, and the bottom end of the oil scale is fixedly connected with an observation head.

[0009] Preferably, the top of the limiting plate is fixedly connected with a lifting ring, and the bottom of the stud is fixedly connected with a sealing ring.

[0010] Preferably, the front side wall of the observation head is provided with an upper hole in the upper side, and the front side wall of the observation head is provided with a lower hole in the lower side.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The high-temperature-resistant machine oil scale sleeve is characterized in that the limiting plate is driven to rotate by rotating the lifting ring, the limiting plate drives the stud to rotate and lock in the installation seat, the annular plate is extruded in the annular groove by the extrusion sleeve, the annular plate extrudes the second spring, the second spring generates a reverse force after being extruded and deformed under stress, the anti-skid pad is tightly attached to the bottom of the extrusion sleeve, the extrusion sleeve is prevented from loosening, and thus the oil scale and the sleeve body can be prevented from being separated due to vibration when being docked, and the sealing property is improved.

[0013] 2. The high-temperature-resistant machine oil scale sleeve is characterized in that the sleeve body is protected by the heat insulation belt made of glass fiber and interlaced with each other, the sleeve body is externally protected by the heat insulation pipe made of ceramic fiber, and the sleeve body is externally protected by the protective pipe made of phenyl silicone rubber, so that the service life of the sleeve body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an overall structure schematic view of the high-temperature-resistant machine oil scale sleeve.

[0015] Figure 2 It is a front view and sectional view structure schematic view of the high-temperature-resistant machine oil scale sleeve.

[0016] Figure 3 It is a partial structure schematic view of the sleeve body of the high-temperature-resistant machine oil scale sleeve.

[0017] Figure 4 It is a partial sectional view structure schematic view of the high-temperature-resistant machine oil scale sleeve.

[0018] In the figure: 100, sleeve body; 110, heat insulation band; 120, heat insulation pipe; 130, protective pipe; 131, first spring; 200, mounting seat; 210, annular groove; 211, second spring; 212, annular plate; 213, non-slip pad; 220, limiting plate; 221, stud; 222, extrusion sleeve; 223, pull ring; 224, sealing ring; 230, oil scale; 231, observation head; 232, upper hole; 233, lower hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Embodiment: as Figures 1-4The utility model provides a kind of high-temperature-resistant machine oil scale sleeve pipe, can avoid the separation caused by vibration when oil scale 230 and sleeve body 100 are docked, improve the sealing, can improve the service life of sleeve body 100, including sleeve body 100 and mounting seat 200;

[0023] Please refer again Figures 1-4 The outer side wall of sleeve body 100 is wound with heat insulation band 110, the outer side wall of heat insulation pipe 120 is fixedly connected with heat insulation band 110, the outer side wall of heat insulation pipe 120 is fixedly connected with protective tube 130, first spring 131 is embedded in the inside of protective tube 130, heat insulation band 110 is interlaced and woven, and heat insulation band 110 is made of glass fiber material, heat insulation pipe 120 is made of ceramic fiber material, protective tube 130 is made of phenyl silicone rubber material, by interlaced and woven heat insulation band 110 of glass fiber on the outside of sleeve body 100, sleeve body 100 is protected by one layer of high temperature, then by two layers of external high-temperature protection of heat insulation pipe 120 made of ceramic fiber, and the outermost layer protection of protective tube 130 made of phenyl silicone rubber, by three layers of high-temperature protection.

[0024] As described above, the service life of sleeve body 100 can be improved.

[0025] Please refer again Figures 1-4 The top of mounting seat 200 is provided with annular groove 210, the inner cavity bottom of annular groove 210 is fixedly connected with second spring 211, the top of second spring 211 is fixedly connected with annular plate 212, the top of annular plate 212 is fixedly connected with anti-skid pad 213, the top of mounting seat 200 is provided with limiting plate 220, the bottom of limiting plate 220 is fixedly connected with stud 221, stud 221 is screwed in the inner cavity of mounting seat 200, the bottom of limiting plate 220 is fixedly connected with extrusion sleeve 222, the bottom of extrusion sleeve 222 is in contact with anti-skid pad 213, the bottom of stud 221 is fixedly connected with oil scale 230, the bottom end of oil scale 230 penetrates sleeve body 100 and extends to the bottom of sleeve body 100, and the bottom end of oil scale 230 is fixedly connected with observation head 231, the top of limiting plate 220 is fixedly connected with pull ring 223, the bottom of stud 221 is fixedly connected with sealing ring 224, the upper side of the front side wall of observation head 231 is provided with upper hole 232, the lower side of the front side wall of observation head 231 is provided with lower hole 233, limiting plate 220 is driven to rotate by rotating pull ring 223, limiting plate 220 drives stud 221 to rotate and lock in the inside of mounting seat 200, while extrusion sleeve 222 extrudes annular plate 212 in annular groove 210, annular plate 212 extrudes second spring 211, and second spring 211 generates reverse force after being extruded and deformed, so that anti-skid pad 213 is tightly attached to the bottom of extrusion sleeve 222, to prevent extrusion sleeve 222 from loosening.

[0026] Therefore, the separation caused by vibration can be avoided when the oil scale 230 and the sleeve body 100 are docked, and the sealing performance is improved.

[0027] In specific use, the person skilled in the art inserts the oil scale 230 into the sleeve body 100 when using the oil scale 230, and the observation head 231 at the end of the oil scale 230 extends into the engine, the oil level in the engine is observed by the distance between the upper hole 232 and the lower hole 233 on the observation head 231, the limiting plate 220 is rotated by rotating the pull ring 223, the stud 221 is rotated and locked in the installation seat 200 by the limiting plate 220, the annular plate 212 is extruded in the annular groove 210 by the extrusion sleeve 222, the annular plate 212 extrudes the second spring 211, the second spring 211 generates a reverse force after being extruded and deformed, the anti-skid pad 213 is tightly attached to the bottom of the extrusion sleeve 222, and the extrusion sleeve 222 is prevented from loosening, when the engine runs at high temperature, the sleeve body 100 is protected by the heat insulation belt 110 made of glass fibers interlaced with each other, the sleeve body 100 is protected by the heat insulation pipe 120 made of ceramic fibers, the sleeve body 100 is protected by the protection pipe 130 made of phenyl silicone rubber, and the first spring 131 in the protection pipe 130 can protect the sleeve body 100 as a whole.

[0028] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A high-temperature resistant oil dipstick sleeve, characterized in that: The device includes a sleeve body (100) and a mounting base (200). The outer wall of the sleeve body (100) is wrapped with an insulating heat strip (110). An insulating pipe (120) is fixedly connected to the outer wall of the insulating heat strip (110). A protective pipe (130) is fixedly connected to the outer wall of the insulating pipe (120). A first spring (131) is embedded inside the protective pipe (130). An annular groove (210) is formed around the top of the mounting base (200). A second spring (211) is fixedly connected to the bottom of the inner cavity of the annular groove (210). A ring plate (212) is fixedly connected to the top of the two springs (211), and an anti-slip pad (213) is fixedly connected to the top of the ring plate (212). A limiting plate (220) is provided on the top of the mounting base (200), and a stud (221) is fixedly connected to the bottom of the limiting plate (220). The stud (221) is screwed into the inner cavity of the mounting base (200). A compression sleeve (222) is fixedly connected to the bottom of the limiting plate (220), and the bottom of the compression sleeve (222) is in contact with the anti-slip pad (213).

2. The high-temperature resistant oil dipstick sleeve according to claim 1, characterized in that: The insulating heat strips (110) are interwoven and are made of fiberglass.

3. The high-temperature resistant oil dipstick sleeve according to claim 1, characterized in that: The heat insulation tube (120) is made of ceramic fiber, and the protective tube (130) is made of phenyl silicone rubber.

4. The high-temperature resistant oil dipstick sleeve according to claim 1, characterized in that: An oil level gauge (230) is fixedly connected to the bottom of the stud (221). The bottom end of the oil level gauge (230) passes through the sleeve body (100) and extends to the bottom of the sleeve body (100). An observation head (231) is fixedly connected to the bottom end of the oil level gauge (230).

5. A high-temperature resistant oil dipstick sleeve according to claim 1, characterized in that: The top of the limiting plate (220) is fixedly connected to a lifting ring (223), and the bottom of the stud (221) is fixedly connected to a sealing ring (224).

6. A high-temperature resistant oil dipstick sleeve according to claim 4, characterized in that: The observation head (231) has an upper hole (232) on the upper side of its front side wall and a lower hole (233) on the lower side of its front side wall.

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