Combined cylinder sleeve

Abstract

The utility model is applicable to the technical field of cylinder sleeves, and provides a combined cylinder sleeve which comprises a cylinder sleeve inner shell, a filling layer is sleeved on the cylinder sleeve inner shell, a cylinder sleeve outer shell is sleeved on the filling layer, an annular groove is arranged on the cylinder sleeve outer shell, and the annular groove is matched with the cylinder sleeve inner shell. The threaded pipe is fixedly mounted on the cylinder sleeve outer shell and is in threaded connection with the threaded groove in the cylinder sleeve inner shell; and the first fixing ring is fixedly arranged on the cylinder sleeve shell in a sleeving manner. According to the combined cylinder sleeve provided by the scheme, the problem that when an existing combined cylinder sleeve is used, the cylinder sleeve inner shell and the cylinder sleeve outer shell are prone to loosening due to vibration, and then the overall sealing performance is affected is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cylinder sleeve technical field, especially relate to a combined cylinder sleeve. BACKGROUND

[0002] The cylinder sleeve is short for cylinder sleeve, it is inlayed in the cylinder barrel of cylinder body, with piston and cylinder head jointly form combustion chamber, the existing cylinder sleeve adopts integrated forming structure, this design indeed will increase the difficulty of disassembling and repairing the cylinder sleeve to a certain extent.

[0003] Through the retrieval, a combined cylinder sleeve with the structure that includes cylinder sleeve shell, the inner wall of cylinder sleeve shell is connected with installation mechanism, installation mechanism includes filling layer that is connected with the inner wall of cylinder sleeve shell slidingly, and the outer surface of cylinder sleeve shell is connected with scratch-resistant mechanism, the utility model relates to cylinder sleeve field, its combined cylinder sleeve, through filling layer is set on the outer surface of cylinder sleeve inner shell, make the lower surface of filling layer and the outer surface of protruding block fit, then the cylinder sleeve shell is set on the outer surface of filling layer, and cylinder sleeve shell is rotated, make that outer thread pipe joint enters the thread groove that the outer surface of cylinder sleeve inner shell is opened, in turn make that sealing block slides into the recess that the inner side of protruding block is opened, and the upper surface of filling layer will extrude rubber pad, make that rubber pad and the outer surface of cylinder sleeve inner shell are fully bonded together, increase the overall sealing property, convenient for the disassembling and repairing of cylinder sleeve.

[0004] But, the above-mentioned utility model in actual use, because the cylinder sleeve inner shell and the cylinder sleeve shell are connected through the way of thread, so when being subjected to the vibration, the cylinder sleeve inner shell and the cylinder sleeve shell are easy to produce the loosening, once loosening, will affect the overall sealing property, is easy to affect the use effect.

[0005] Therefore, it is necessary to provide a new combined cylinder sleeve to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a combined cylinder sleeve, aims at solving the problem that the existing combined cylinder sleeve in the above background technique is used, because the cylinder sleeve inner shell and the cylinder sleeve shell are easy to loosen due to vibration, and then affect the overall sealing property.

[0007] To solve the above problems, the utility model is realized in this way, a combined cylinder sleeve, comprising: cylinder sleeve inner shell, the cylinder sleeve inner shell is set with filling layer, the filling layer is set with cylinder sleeve shell on, the cylinder sleeve shell is opened with annular groove, the annular groove is adapted with the cylinder sleeve inner shell;Threaded pipe fixedly installed on the cylinder sleeve shell, the threaded pipe is connected with the threaded groove on the cylinder sleeve inner shell with thread;First fixed ring fixedly set on the cylinder sleeve shell;Locking mechanism for fixing cylinder sleeve inner shell assembled on the first fixed ring.

[0008] Preferably, the locking mechanism comprises: a mounting groove opened on the first fixed ring, a pull rod slidingly mounted on the inner wall of the mounting groove, one end of the pull rod extending to the outside of the first fixed ring; a spring slidingly sleeved on the pull rod; a baffle welded on the pull rod, a pin rod fixedly mounted on the baffle, the pin rod being matched with the clamping groove on the cylinder sleeve inner shell.

[0009] Preferably, a second fixed ring is fixedly sleeved on the cylinder sleeve shell, and the second fixed ring is located below the first fixed ring.

[0010] Preferably, a scratch-proof coating is arranged on the inner wall of the cylinder sleeve inner shell, and the scratch-proof coating is made of ceramic material.

[0011] Preferably, a limiting groove is opened on the inner wall of the mounting groove, and a limiting block is slidingly mounted on the inner wall of the limiting groove, and the limiting block is fixedly connected with the baffle.

[0012] Preferably, a sealing gasket is fixedly mounted on the inner wall of the annular groove, and the sealing gasket is in contact with the cylinder sleeve inner shell.

[0013] Preferably, a pull ring is fixedly mounted on one end of the pull rod, and the spring is made of stainless steel material.

[0014] Compared with the related art, the combined cylinder sleeve has the following beneficial effects:

[0015] Compared with the prior art, the combined cylinder sleeve has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic view of a combined cylinder sleeve provided by the utility model;

[0017] Figure 2It is the sectional view structure schematic diagram of the utility model;

[0018] Figure 3 For Figure 2 It is the enlarged structure schematic diagram of A part shown in the figure.

[0019] Figure 4 For Figure 2 It is the enlarged structure schematic diagram of B part shown in the figure.

[0020] Reference signs: 1, cylinder liner inner shell, 2, filling layer, 3, cylinder liner outer shell, 4, sealing gasket, 5, first fixed ring, 6, threaded pipe, 7, installation groove, 8, pull rod, 9, spring, 10, baffle, 11, pin rod, 12, second fixed ring, 13, scratch-proof coating, 14, limiting groove, 15, limiting block. DETAILED DESCRIPTION

[0021] Unless otherwise defined, 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 application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the use herein of terms such as "comprise", "comprising", "comprises", "including", "includes" or "have" and "has" are used generically, and are intended to encompass the terms "including", "includes" or "have" and "has" as well as their conjugates. The terms "first", "second" and the like in the description do not denote any order, quantity, combination or important / primary / secondary / tertiary distinction, but are used for the purpose of nomenclature only; the terms "inner", "outer", "left", "right" indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model 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 a limitation on the utility model.

[0022] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0023] The utility model embodiment provides a kind of combined cylinder liner, such as Figures 1-4As shown, the combined cylinder sleeve comprises: a cylinder sleeve inner shell 1, a filling layer 2 is sleeved on the cylinder sleeve inner shell 1, a cylinder sleeve outer shell 3 is sleeved on the filling layer 2, an annular groove is formed on the cylinder sleeve outer shell 3, and the annular groove is matched with the cylinder sleeve inner shell 1; a threaded pipe 6 is fixedly installed on the cylinder sleeve outer shell 3, and the threaded pipe 6 is threadedly connected with a threaded groove on the cylinder sleeve inner shell 1; a first fixing ring 5 is fixedly sleeved on the cylinder sleeve outer shell 3; and a locking mechanism is assembled on the first fixing ring 5 and used for fixing the cylinder sleeve inner shell 1.

[0024] In the embodiment, during assembly, the cylinder sleeve outer shell 3 is placed on a desktop, the filling layer 2 is slidably installed into the cylinder sleeve outer shell 3, the cylinder sleeve inner shell 1 is inserted into the filling layer 2, and the filling layer 2 can effectively fill the gap between the cylinder sleeve inner shell 1 and the cylinder sleeve outer shell 3, improve the heat dissipation efficiency and structural support of the cylinder sleeve, and the filling layer 2 is usually made of copper, aluminum, iron or alloy, then the cylinder sleeve inner shell 1 or the cylinder sleeve outer shell 3 is rotated, so that the threaded pipe 6 on the cylinder sleeve outer shell 3 can be threadedly installed into the threaded groove on the cylinder sleeve inner shell 1, at this time, the sealing gasket 4 in the annular groove is tightly attached to the cylinder sleeve inner shell 1, so that the sealing property of the whole can be ensured, at this time, the assembly work is completed, since the cylinder sleeve is composed of multiple structures, when a certain position is damaged, only the corresponding part needs to be replaced, the whole cylinder sleeve does not need to be replaced, the maintenance cost can be saved, under the use of the locking mechanism, the cylinder sleeve inner shell 1 can be effectively fixed, the stable connection between the cylinder sleeve inner shell 1 and the cylinder sleeve outer shell 3 can be further ensured, even in the case of vibration, the good sealing property and stability can be maintained, and the loosening problem does not occur.

[0025] In the further preferred embodiment of the utility model, the locking mechanism comprises: an installation groove 7 formed on the first fixing ring 5, a pull rod 8 is slidably installed on the inner wall of the installation groove 7, and one end of the pull rod 8 extends to the outside of the first fixing ring 5; a spring 9 is slidably sleeved on the pull rod 8; a baffle 10 is welded on the pull rod 8, a pin rod 11 is fixedly installed on the baffle 10, and the pin rod 11 is matched with a clamping groove on the cylinder sleeve inner shell 1.

[0026] In the embodiment, the locking mechanism is used for fixing the cylinder inner shell 1 and also can release the fixing of the cylinder inner shell 1, when releasing, the pull rod 8 is pulled downward, the pull rod 8 drives the baffle 10 to extrude the spring 9, the baffle 10 drives the pin rod 11 to move vertically, the pin rod 11 is separated from the clamping groove on the cylinder inner shell 1, after being separated, the cylinder inner shell 1 or the cylinder outer shell 3 can be rotated, so that the threaded pipe 6 on the cylinder outer shell 3 can be separated from the threaded groove on the cylinder inner shell 1, after being separated, the cylinder can be disassembled, if the pull rod 8 is loosened before rotating the cylinder inner shell 1 or rotating the cylinder outer shell 3, the spring 9 drives the baffle 10 to move through elasticity, so that the pin rod 11 can be inserted into the clamping groove on the cylinder inner shell 1, after being inserted, the cylinder inner shell 1 cannot be rotated on the cylinder outer shell 3, and the operation is relatively simple.

[0027] In the further preferred embodiment of the utility model, the second fixing ring 12 is fixedly arranged on the cylinder outer shell 3 and located below the first fixing ring 5.

[0028] In the embodiment, the use of the second fixing ring 12 and the first fixing ring 5 can enhance the structural strength of the cylinder outer shell 3.

[0029] In the further preferred embodiment of the utility model, the inner wall of the cylinder inner shell 1 is provided with the anti-scratch coating 13 made of ceramic material.

[0030] In the embodiment, the anti-scratch coating 13 made of ceramic material has high hardness, high wear resistance and high corrosion resistance, can effectively protect the cylinder inner shell 1 from being scratched and worn by moving parts such as pistons, and can improve the service life of the cylinder inner shell 1.

[0031] In the further preferred embodiment of the utility model, the limiting groove 14 is arranged on the inner wall of the mounting groove 7, the limiting block 15 is slidingly arranged on the inner wall of the limiting groove 14, and the limiting block 15 is fixedly connected with the baffle 10.

[0032] In the embodiment, the cooperation of the limiting groove 14 and the limiting block 15 can improve the stability of the baffle 10 and the pin rod 11 during movement and prevent deviation.

[0033] In the further preferred embodiment of the utility model, the sealing gasket 4 is fixedly arranged on the inner wall of the annular groove and in contact with the cylinder inner shell 1.

[0034] In the embodiment, the use of the sealing gasket 4 can ensure the sealing between the cylinder inner shell 1 and the cylinder outer shell 3 and the overall sealing.

[0035] The further preferred embodiment of the utility model further comprises a pull ring fixedly installed at one end of the pull rod 8, and the spring 9 is made of stainless steel material.

[0036] In the embodiment, the pull ring is used to facilitate the operator to pull the pull rod 8, and the spring 9 made of stainless steel material can resist corrosion and fatigue damage, thereby prolonging the service life of the locking mechanism.

[0037] In summary, compared with the related art, the filling layer 2 is slidably installed in the inside of the cylinder jacket shell 3, the cylinder inner shell 1 is inserted into the inside of the filling layer 2, and the gap between the cylinder inner shell 1 and the cylinder jacket shell 3 can be effectively filled under the action of the filling layer 2, the heat dissipation efficiency and the structural support of the cylinder jacket are improved, the threaded pipe 6 on the cylinder jacket shell 3 can be screwed into the threaded groove on the cylinder inner shell 1 by rotating the cylinder inner shell 1 or the cylinder jacket shell 3, the sealing property between the cylinder inner shell 1 and the cylinder jacket shell 3 can be ensured by using the sealing gasket 4, the overall sealing property can be ensured, the cylinder inner shell 1 can be effectively fixed on the cylinder jacket shell 3 by using the locking mechanism, the stable connection between the cylinder inner shell 1 and the cylinder jacket shell 3 can be further ensured, the good sealing property and stability can be maintained even in the case of being subjected to vibration, and the loosening problem does not occur, the cylinder inner shell 1 can be effectively protected from being scratched and worn by the moving parts such as the piston by the anti-scratch coating 13, and the service life of the cylinder inner shell 1 can be improved.

[0038] In several embodiments provided in the application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit the protection scope of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, rather than all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can combine, add or delete or make other adjustments to the features in the embodiments of the utility model according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of the utility model to be protected.

Claims

1. A combined cylinder liner, characterized by Include: The cylinder liner inner shell, the filling layer is sleeved on the cylinder liner inner shell, the cylinder liner outer shell is sleeved on the filling layer, the annular groove is opened on the cylinder liner outer shell, and the annular groove is matched with the cylinder liner inner shell; The threaded pipe is fixedly installed on the cylinder liner outer shell, and the threaded pipe is screwed with the threaded groove on the cylinder liner inner shell; The first fixing ring is fixedly sleeved on the cylinder liner outer shell; The locking mechanism is assembled on the first fixing ring for fixing the cylinder liner inner shell.

2. The combined cylinder liner according to claim 1, characterized by The locking mechanism comprises: The installation groove is opened on the first fixing ring, the inner wall of the installation groove is slidably installed with the pull rod, one end of the pull rod extends to the outside of the first fixing ring; The spring is slidably sleeved on the pull rod; The baffle is welded on the pull rod, the pin rod is fixedly installed on the baffle, and the pin rod is matched with the clamping groove on the cylinder liner inner shell.

3. The combined cylinder liner according to claim 1, characterized by The second fixing ring is fixedly sleeved on the cylinder liner outer shell, and the second fixing ring is located below the first fixing ring.

4. The combined cylinder liner according to claim 1, characterized by The inner wall of the cylinder liner inner shell is provided with an anti-scratch coating, and the anti-scratch coating is made of ceramic material.

5. The combined cylinder liner according to claim 2, characterized by The limiting groove is opened on the inner wall of the installation groove, the limiting block is slidably installed on the inner wall of the limiting groove, and the limiting block is fixedly connected with the baffle.

6. The modular cylinder liner of claim 1, wherein, The sealing gasket is fixedly installed on the inner wall of the annular groove, and the sealing gasket is in contact with the cylinder liner inner shell.

7. The combined cylinder liner according to claim 2, characterized by One end of the pull rod is fixedly installed with a pull ring, and the spring is made of stainless steel material.

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