CN213270071U

CN213270071U - Prevent falling central cylinder jacket of platform

Info

Publication number: CN213270071U
Application number: CN202022201055.2U
Authority: CN
Inventors: 尤婉玲; 孟小平
Original assignee: Quanzhou Dongqi Auto Parts Co ltd
Current assignee: Quanzhou Dongqi Auto Parts Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-25
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a prevent middle-arranged type cylinder jacket of platform that falls, including the cylinder jacket body, the fixed boss that is provided with in top of cylinder jacket body, the fixed surface of cylinder jacket body is provided with the supporting shoulder, the fixed tool withdrawal groove that is provided with in below that the surface of cylinder jacket body just is located the supporting shoulder, the surface in tool withdrawal groove is provided with elastic component, the fixed waistband that is provided with in below that the surface of cylinder jacket body just is located the tool withdrawal groove, the fixed waistband that is provided with in below that the surface of cylinder jacket body just is located the upper waistband. The utility model realizes the automatic adjustment of the depth of the tool withdrawal groove through the matching among the tool withdrawal groove, the elastic component, the vibration reduction groove and the like, and reduces the possibility of the problem of the cylinder sleeve in the use process; the torsion generated by the vibration of the cylinder sleeve can be quickly dispersed, and the occurrence of the platform falling accident of the cylinder sleeve is avoided; meanwhile, the sealing performance can be guaranteed, and cooling water is prevented from leaking from the upper portion of the cylinder sleeve and impacting the cylinder gasket and the oil pan.

Description

Prevent falling central cylinder jacket of platform

Technical Field

The utility model relates to a cylinder jacket technical field especially relates to a prevent falling central formula cylinder jacket of platform.

Background

The cylinder sleeve is a cylindrical part and is arranged in a cylinder body hole of the machine body, and the cylinder sleeve is tightly pressed and fixed by a cylinder cover. The piston reciprocates in its bore and is cooled by cooling water located externally thereof. The cylinder liner should have sufficient strength, rigidity, and heat resistance, and should also have good wear resistance. Good lubrication and cooling should be achieved during operation.

The chinese utility model patent publication No. CN205036460U discloses a cylinder sleeve for preventing a platform from falling, which is a cylinder with an annular boss on the upper end surface; the lower part of the annular boss on the upper end surface of the cylinder sleeve is provided with a tool withdrawal groove, and the outer wall surface of the cylinder sleeve is provided with an annular bulge protruding outwards; the cylinder sleeve falling accident is avoided, and the engine is protected.

However, the depth of the tool withdrawal groove in the cylinder sleeve is fixed and cannot be adjusted timely according to actual requirements; however, the tool withdrawal groove is too deep, which inevitably causes strength reduction, and the tool withdrawal groove is too shallow, which easily causes interference and stress concentration, when the internal combustion engine works, the cylinder sleeve is easily broken from the shoulder because of the alternating stress of the piston acting on the cylinder sleeve, so the using effect of the product is poor, and the practicability needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent falling middle-arranged type cylinder jacket of platform has solved the groove depth of tool withdrawal groove among the prior art and has fixed, can't come the technical problem of in good time regulation according to the actual demand.

The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides a prevent middle-placed type cylinder jacket of platform that falls, includes the cylinder jacket body, the fixed boss that is provided with in top of cylinder jacket body, the external surface mounting of cylinder jacket body is provided with the supporting shoulder, the fixed tool withdrawal groove that is provided with in below that the surface of cylinder jacket body just is located the supporting shoulder, the surface that moves out the tool withdrawal groove is provided with elastic component, the fixed waistband that is provided with in below that the surface of cylinder jacket body just is located the tool withdrawal groove, the fixed lower waistband that is provided with in below that the surface of cylinder jacket body just is located the upper waistband.

Further, the cylinder sleeve body is a hollow cylinder.

Further, the material of cylinder jacket body is boron cast iron.

Further, the inner surface of the cylinder sleeve body is provided with a reticulate pattern.

Further, the outer surface of the upper waistband is provided with a vibration reduction groove, the vibration reduction groove is an arc groove, the radius of the vibration reduction groove is 1.2mm, and the groove depth of the vibration reduction groove is 1 mm.

Further, a plurality of water sealing circular grooves are formed in the outer surface of the lower waistband, and the water sealing circular grooves are sequentially arranged from top to bottom.

Furthermore, the elastic assembly comprises an annular elastic belt, annular crescent bars are fixedly arranged on the outer surface of the annular elastic belt and close to the top of the annular elastic belt, a plurality of springs are fixedly arranged between the inner wall of the annular elastic belt and the groove wall of the tool withdrawal groove, and the plurality of springs are arranged in an annular array.

The utility model provides a prevent middle-arranged type cylinder jacket of platform that falls has following beneficial effect:

1. compared with the prior art, through supporting shoulder, tool withdrawal groove, elastic component and going up the cooperation between the waistband etc. realized the deep automatically regulated of tool withdrawal groove, and then can effectively reduce the cylinder liner and produce the possibility of problem in the use, satisfied more demands in the in-service use, the practicality is higher.

2. Compared with the prior art, the torsion generated by the vibration of the cylinder sleeve is quickly dispersed through the matching among the upper waistband, the vibration reduction groove, the lower waistband, the water sealing circular groove and the like, so that the accident that the cylinder sleeve falls off is avoided; meanwhile, the sealing performance can be guaranteed, cooling water is prevented from leaking from the upper portion of the cylinder sleeve and impacting the cylinder gasket and the oil pan, and the applicability is stronger.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

Fig. 1 is a schematic overall structure diagram of a central cylinder liner for preventing a platform from falling off according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the overall structure of a central cylinder liner for preventing a platform from falling.

Fig. 3 is an enlarged view of a structure at a in fig. 2.

Fig. 4 is a top sectional view of an elastic assembly of a central cylinder liner for preventing a platform from falling.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a cylinder liner body; 2. a boss; 3. a support shoulder; 4. a tool withdrawal groove; 5. an elastic component; 6. a waistband is arranged; 7. a vibration damping tank; 8. a lower waistband; 9. sealing the water round groove; 501. an endless elastic band; 502. an annular crescent bar; 503. a spring.

Detailed Description

The technical solution 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 the illustrated examples are only used for explaining the present invention, but not for limiting the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, the embodiment of the present invention provides a middle cylinder liner for preventing a platform from falling: the cylinder liner comprises a cylinder liner body 1, wherein a boss 2 is fixedly arranged at the top of the cylinder liner body 1, and the boss 2 reduces the impact and ablation of fuel gas on a cylinder gasket, so that the cylinder gasket is protected; the outer surface of the cylinder sleeve body 1 is fixedly provided with a supporting shoulder 3, and the supporting shoulder 3 plays a role in axial positioning; the outer surface of the cylinder sleeve body 1 is fixedly provided with a tool withdrawal groove 4 below the supporting shoulder 3, the outer surface of the tool withdrawal groove 4 is provided with an elastic component 5, the outer surface of the cylinder sleeve body 1 is fixedly provided with an upper waistband 6 below the tool withdrawal groove 4, and the outer surface of the cylinder sleeve body 1 is fixedly provided with a lower waistband 8 below the upper waistband 6.

The cylinder sleeve body 1 is a hollow cylinder, and the material of the cylinder sleeve body 1 is boron cast iron; the mechanical property and the metallographic structure of the material of the cylinder sleeve body 1 are ensured.

Specifically, the inner surface of the cylinder sleeve body 1 is provided with a reticulate pattern; so as to store the engine oil and improve the lubricating performance.

Specifically, the outer surface of the upper waistband 6 is provided with a vibration reduction groove 7, the vibration reduction groove 7 is an arc groove, the radius of the vibration reduction groove 7 is 1.2mm, and the groove depth of the vibration reduction groove 7 is 1 mm; the damping groove 7 disperses the torsion generated by the vibration of the cylinder sleeve body 1 rapidly, so that the torsion transmitted to the tool withdrawal groove 4 is greatly reduced, thereby avoiding the occurrence of the platform falling accident of the cylinder sleeve body 1 and achieving the purpose of protecting the engine.

Specifically, the outer surface of the lower waistband 8 is provided with a plurality of water sealing circular grooves 9, and the plurality of water sealing circular grooves 9 are sequentially arranged from top to bottom; the size of water sealing circular groove 9 and the adaptation of water sealing ring, the use of cooperation water sealing ring has guaranteed the leakproofness, prevents that cooling water from revealing impact cylinder gasket and oil pan from cylinder jacket body 1 upper portion.

Specifically, the elastic assembly 5 comprises an annular elastic band 501, an annular crescent strip 502 is fixedly arranged on the outer surface of the annular elastic band 501 and close to the top of the annular elastic band 501, a plurality of springs 503 are fixedly arranged between the inner wall of the annular elastic band 501 and the groove wall of the tool withdrawal groove 4, and the plurality of springs 503 are arranged in an annular array; during the use, automatic adjustment can be realized to annular elastic band 501 cooperation a plurality of spring 503, and annular crescent 502 and the bottom laminating of supporting shoulder 3, and whole cooperation reduces interference and stress concentration, makes cylinder liner body 1 difficult fracture, has guaranteed cylinder liner body 1's normal work, has prolonged cylinder liner body 1's life.

The embodiment of the utility model provides a concrete theory of operation and application method do: when the cylinder liner body 1 is used, the damping groove 7 quickly disperses the torsion generated by the vibration of the cylinder liner body 1, so that the torsion transmitted to the tool withdrawal groove 4 is greatly reduced, and the occurrence of platform falling accidents of the cylinder liner body 1 is avoided; the sealing circular groove 9 is matched with a water sealing ring for use, so that the sealing performance is ensured, and cooling water is prevented from leaking from the upper part of the cylinder sleeve body 1 and impacting a cylinder gasket and an oil pan; and annular elastic band 501 cooperates a plurality of spring 503 can realize automatically regulated, and annular crescent 502 and the bottom laminating of supporting shoulder 3, and whole cooperation reduces interference and stress concentration, makes cylinder jacket body 1 difficult fracture, has guaranteed cylinder jacket body 1's normal work, has prolonged cylinder jacket body 1's life, has satisfied more demands in the in-service use, and the practicality is higher.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a prevent central formula cylinder jacket that falls platform, includes cylinder liner body (1), its characterized in that: the fixed boss (2) that is provided with in top of cylinder jacket body (1), the external fixed surface of cylinder jacket body (1) is provided with supporting shoulder (3), the fixed tool withdrawal groove (4) that is provided with in below that the external surface of cylinder jacket body (1) just is located supporting shoulder (3), the external surface of tool withdrawal groove (4) is provided with elastic component (5), the external surface of cylinder jacket body (1) just is located the fixed waistband (6) that is provided with in below of tool withdrawal groove (4), the external surface of cylinder jacket body (1) just is located the fixed waistband (8) down that is provided with in below of waistband (6).

2. The drop platform prevention center-mounted cylinder liner according to claim 1, characterized in that: the cylinder sleeve body (1) is a hollow cylinder.

3. The drop platform prevention center-mounted cylinder liner according to claim 1, characterized in that: the cylinder sleeve body (1) is made of boron cast iron.

4. The drop platform prevention center-mounted cylinder liner according to claim 1, characterized in that: and the inner surface of the cylinder sleeve body (1) is provided with reticulate patterns.

5. The drop platform prevention center-mounted cylinder liner according to claim 1, characterized in that: the outer surface of the upper waistband (6) is provided with a vibration reduction groove (7), the vibration reduction groove (7) is an arc groove, the radius of the vibration reduction groove (7) is 1.2mm, and the groove depth of the vibration reduction groove (7) is 1 mm.

6. The drop platform prevention center-mounted cylinder liner according to claim 1, characterized in that: a plurality of water sealing circular grooves (9) are formed in the outer surface of the lower waistband (8), and the water sealing circular grooves (9) are sequentially arranged from top to bottom.

7. The drop platform prevention center-mounted cylinder liner according to claim 1, characterized in that: the elastic assembly (5) comprises an annular elastic belt (501), annular crescent bars (502) are fixedly arranged on the outer surface of the annular elastic belt (501) and close to the top of the annular elastic belt, a plurality of springs (503) are fixedly arranged between the inner wall of the annular elastic belt (501) and the groove wall of the tool withdrawal groove (4), and the springs (503) are arranged in an annular array.