Dustproof engine cylinder cover

Abstract

The utility model relates to the technical field of engine cylinder covers, and discloses a dustproof engine cylinder cover which comprises an engine cylinder cover body, a dustproof mechanism is arranged on the outer side of the engine cylinder cover body, a moving mechanism is arranged on the outer side of the engine cylinder cover body, and an engine cylinder body is arranged at the bottom of the engine cylinder cover body. The dustproof mechanism comprises an extrusion assembly and a fixing assembly, and the fixing assembly is arranged on the inner side of the extrusion assembly. A pressing plate extrudes a sealing piece to a gap where the engine cylinder cover body and the engine cylinder block body are connected, the gap can be effectively sealed, dust is prevented from entering the engine cylinder block body from the gap, dustproof operation is conducted on the engine cylinder block body, fixing operation is conducted through bolts at the two ends of a push plate, and the sealing effect is good. The two sides of the sealing piece are prevented from tilting, dust is prevented from entering the engine cylinder block body from the two sides of the sealing piece, and the dustproof effect on the engine cylinder block body is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of engine cylinder covers, in particular to a dustproof engine cylinder cover. Background Art

[0002] The engine cylinder head is used to seal the cylinder and form the combustion chamber. The side-valve engine cylinder head is cast with a water jacket, water inlet and outlet holes, spark plug holes, bolt holes, combustion chamber, etc. The overhead valve engine cylinder head, in addition to the cooling water jacket, also has valve devices, intake and exhaust channels, etc.

[0003] According to the description in the dustproof engine cylinder head disclosed on the patent website (authorization announcement number: CN 219197483 U), "The utility model relates to the field of engine cylinder heads, specifically to a dustproof engine cylinder head, and its technical solution is: comprising a cylinder block and an engine cylinder head, the engine cylinder head is fixedly mounted on the top of the cylinder block, and also includes a dustproof component for improving the dustproof effect of the engine cylinder head, the dustproof component is arranged below the sides of the engine cylinder head, and the dustproof component is located around the connection between the engine cylinder head and the cylinder block. The beneficial effect of the utility model is: it can effectively prevent dust from invading through the gap between the connected cylinder block and the engine cylinder head, so as to achieve a better dustproof effect, and the structural design is simple, the operation is convenient, and there is no need to occupy more space on the surface of the engine cylinder head and the space above the engine cylinder head, which facilitates the subsequent installation of oil pipes, air pipes, and water pipes, and it is highly practical and suitable for promotion."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model can effectively prevent dust from invading through the gap between the connected cylinder block and the engine cylinder head through the coordinated use of the cylinder block, the engine cylinder head and the dustproof component, thereby achieving a better dustproof effect. However, in actual use, the center position of the pressure plate is squeezed and fixed with bolts, and the two sides of the pressure plate are easy to warp up, resulting in weak sealing at both ends, which makes it easy for dust to enter the cylinder block from both ends. Therefore, it is necessary to improve a dustproof engine cylinder head to solve the above problem. Utility Model Content

[0006] The purpose of the utility model is to provide a dustproof engine cylinder cover to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dustproof engine cylinder head, comprising an engine cylinder head body, a dustproof mechanism is arranged on the outside of the engine cylinder head body, a moving mechanism is arranged on the outside of the engine cylinder head body, and an engine cylinder body is arranged on the bottom of the engine cylinder head body;

[0008] The dustproof mechanism comprises an extrusion component and a fixing component, and the fixing component is arranged inside the extrusion component.

[0009] Preferably, the moving mechanism includes a mounting frame, the mounting frame is fixedly mounted on the outside of the engine cylinder head body, a slide groove is opened inside the mounting frame, a limit slider is slidably mounted inside the slide groove, a limit block is fixedly mounted on the top of the limit slider, and a push plate is fixedly mounted on the bottom of the limit slider, and the slide groove is used to limit the push plate so that the push plate can only slide inside the slide groove to prevent the position of the push plate from shifting when the bolt is tightened.

[0010] Preferably, two of the slide grooves, limit sliders, limit blocks and push plates are provided, and are symmetrically distributed on the left center line of the mounting frame. The moving mechanism is provided with an engine cylinder body group, and are respectively arranged at positions around the engine cylinder head body to prevent the position of the push plate from shifting.

[0011] Preferably, the extrusion assembly includes an outer sleeve, the outer sleeve is fixedly mounted on the inner side of the push plate, an inner sleeve is slidably mounted inside the outer sleeve, a pressure plate is fixedly mounted on the end of the inner sleeve away from the outer sleeve, a sealing sheet is fixedly mounted on the end of the pressure plate away from the inner sleeve, and a spring is fixedly mounted on the end of the pressure plate close to the inner sleeve. The pressure plate squeezes the sealing sheet into the gap between the engine cylinder head body and the engine cylinder body, which can effectively seal the gap, prevent dust from entering the engine cylinder body from the gap, and perform dust-proof operation on the engine cylinder body.

[0012] Preferably, one end of the spring away from the pressure plate is fixedly mounted on the push plate, the outer sleeve and the inner sleeve are arranged inside the spring, there are thirteen outer sleeves, inner sleeves and springs, and they are linearly distributed on the outer surface of the pressure plate, there are four groups of extrusion assemblies, and they are respectively arranged at positions around the engine cylinder head body, so as to squeeze the sealing sheet into the gap where the engine cylinder head body and the engine cylinder body are connected.

[0013] Preferably, the fixing assembly includes a connecting pipe, which is fixedly installed on the outside of the push plate, and a bolt is rotatably installed inside the connecting pipe. A gasket is provided on the outside of the bolt, and a threaded hole is opened inside the mounting frame. The fixing operation is performed from the bolts at both ends of the push plate to prevent the two sides of the sealing plate from warping up and to prevent dust from entering the engine cylinder body from both sides of the sealing plate, thereby enhancing the dustproof effect of the engine cylinder body.

[0014] Preferably, the bolt is threadedly installed inside the threaded hole, and the bolt passes through the gasket and the threaded hole in turn and is rotatably installed inside the connecting pipe. The fixing assembly is provided with four groups, and each group is provided with two pairs, and each two pairs are symmetrically distributed about the left center line of the mounting frame, and the four groups are respectively arranged at positions around the engine cylinder head body to prevent the two sides of the sealing plate from warping up.

[0015] Compared with the prior art, the utility model provides a dustproof engine cylinder head having the following

[0016] Beneficial effects:

[0017] 1. The dustproof engine cylinder head has a dustproof mechanism. During use, the pressure plate squeezes the sealing sheet at the gap between the engine cylinder head body and the engine cylinder body, which can effectively seal the gap and prevent dust from entering the engine cylinder body from the gap. The engine cylinder body is dustproof, and the bolts at both ends of the push plate are fixed to prevent the two sides of the sealing sheet from warping up, and prevent dust from entering the engine cylinder body from both sides of the sealing sheet, thereby enhancing the dustproof effect of the engine cylinder body.

[0018] 2. The dustproof engine cylinder cover, through the provided moving mechanism, uses the slide groove to limit the push plate during use, so that the push plate can only slide inside the slide groove, preventing the position of the push plate from shifting when the bolt is tightened. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0020] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the appearance and structure of the dustproof mechanism of the utility model;

[0022] Figure 3 This is a schematic diagram of the exploded structure of the extrusion assembly of the utility model;

[0023] Figure 4 This is a schematic diagram of the exploded structure of the fixed component of the utility model;

[0024] Figure 5 It is a schematic diagram of the exploded structure of the mobile mechanism of the utility model.

[0025] In the figure: 1. engine cylinder head body; 2. dustproof mechanism; 21. extrusion assembly; 211. outer sleeve; 212. inner sleeve; 213. pressure plate; 214. sealing sheet; 215. spring; 22. fixing assembly; 221. connecting pipe; 222. bolt; 223. gasket; 224. threaded hole; 3. moving mechanism; 31. mounting frame; 32. slide groove; 33. limit slider; 34. limit block; 35. push plate; 4. engine cylinder body. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] See also Figure 1-4 The utility model provides a technical solution: a dustproof engine cylinder head, comprising an engine cylinder head body 1, a dustproof mechanism 2 is arranged on the outside of the engine cylinder head body 1, a moving mechanism 3 is arranged on the outside of the engine cylinder head body 1, and an engine cylinder body 4 is arranged on the bottom of the engine cylinder head body 1;

[0030] The dustproof mechanism 2 includes an extrusion component 21 and a fixing component 22 , and the fixing component 22 is arranged inside the extrusion component 21 .

[0031] Furthermore, the extrusion assembly 21 includes an outer sleeve 211, which is fixedly mounted on the inner side of the push plate 35, an inner sleeve 212 is slidably mounted inside the outer sleeve 211, a pressure plate 213 is fixedly mounted on the end of the inner sleeve 212 away from the outer sleeve 211, a sealing sheet 214 is fixedly mounted on the end of the pressure plate 213 away from the inner sleeve 212, and a spring 215 is fixedly mounted on the end of the pressure plate 213 close to the inner sleeve 212. The pressure plate 213 squeezes the sealing sheet 214 into the gap between the engine cylinder head body 1 and the engine cylinder body 4, which can effectively seal the gap, prevent dust from entering the engine cylinder body 4 from the gap, and perform dust-proof operation on the engine cylinder body 4.

[0032] Furthermore, one end of the spring 215 away from the pressure plate 213 is fixedly installed with the push plate 35, the outer sleeve 211 and the inner sleeve 212 are arranged inside the spring 215, and there are thirteen outer sleeves 211, inner sleeves 212 and springs 215, which are linearly distributed on the outer surface of the pressure plate 213. There are four groups of extrusion assemblies 21, which are respectively arranged at positions around the engine cylinder head body 1, and the sealing sheet 214 is squeezed into the gap where the engine cylinder head body 1 and the engine cylinder body 4 are connected.

[0033] Furthermore, the fixing assembly 22 includes a connecting pipe 221, which is fixedly installed on the outside of the push plate 35. A bolt 222 is rotatably installed inside the connecting pipe 221, and a gasket 223 is provided on the outside of the bolt 222. A threaded hole 224 is opened inside the mounting frame 31. The bolts 222 at both ends of the push plate 35 are used for fixing, so as to prevent the two sides of the sealing sheet 214 from lifting up and dust from entering the interior of the engine cylinder body 4 from both sides of the sealing sheet 214, thereby enhancing the dustproof effect of the engine cylinder body 4.

[0034] Furthermore, the bolt 222 is threadedly installed inside the threaded hole 224, and the bolt 222 passes through the gasket 223 and the threaded hole 224 in turn and is rotatably installed inside the connecting pipe 221. The fixing assembly 22 is provided with four groups, and each group is provided with two pairs, and each two pairs are symmetrically distributed on the left center line of the mounting frame 31, and the four groups are respectively arranged at the positions around the engine cylinder head body 1 to prevent the two sides of the sealing sheet 214 from warping up.

[0035] Embodiment 2:

[0036] See also Figure 5In combination with the first embodiment, it is further obtained that the moving mechanism 3 includes a mounting frame 31, the mounting frame 31 is fixedly mounted on the outside of the engine cylinder head body 1, a slide groove 32 is opened inside the mounting frame 31, a limit slider 33 is slidably mounted inside the slide groove 32, a limit block 34 is fixedly mounted on the top of the limit slider 33, and a push plate 35 is fixedly mounted on the bottom of the limit slider 33. The slide groove 32 is used to limit the push plate 35, so that the push plate 35 can only slide inside the slide groove 32, to prevent the position of the push plate 35 from shifting when the bolt 222 is tightened.

[0037] Furthermore, two slide grooves 32, limit sliders 33, limit blocks 34 and push plates 35 are each provided, and are symmetrically distributed on the left center line of the mounting frame 31. The moving mechanism 3 is provided with 4 groups of engine cylinder bodies, and are respectively arranged at positions around the engine cylinder head body 1 to prevent the position of the push plate 35 from being offset.

[0038] In actual operation, when the device is used, after the engine cylinder head body 1 is mounted on the top of the engine cylinder body 4, the bolt 222 is screwed into the threaded hole 224 using a tool, and the bolt 222 pushes the push plate 35 to slide in the slide groove 32 opened in the mounting frame 31. The slide groove 32 limits the push plate 35 so that the push plate 35 can only slide in the slide groove 32, so that the push plate 35 pushes the outer sleeve 211, so that the inner sleeve 212 shrinks into the outer sleeve 211, and the push plate 35 moves to squeeze the spring 215, and the spring 215 The pressing plate 213 is squeezed and pushed, and the pressing plate 213 squeezes the sealing sheet 214 into the gap where the engine cylinder head body 1 and the engine cylinder body 4 are connected, which can effectively seal the gap and prevent dust from entering the engine cylinder body 4 from the gap, thereby performing dust-proof operation on the engine cylinder body 4, and fixing operation is performed from the bolts 222 at both ends of the push plate 35 to prevent the two sides of the sealing sheet 214 from warping up, and prevent dust from entering the engine cylinder body 4 from both sides of the sealing sheet 214, thereby enhancing the dust-proof effect on the engine cylinder body 4.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A dustproof engine cylinder head, comprising an engine cylinder head body (1), characterized in that: A dustproof mechanism (2) is arranged on the outside of the engine cylinder head body (1), a moving mechanism (3) is arranged on the outside of the engine cylinder head body (1), and an engine cylinder body (4) is arranged on the bottom of the engine cylinder head body (1); The dustproof mechanism (2) comprises an extrusion component (21) and a fixing component (22), wherein the fixing component (22) is arranged inside the extrusion component (21).

2. The dustproof engine cylinder head according to claim 1, characterized in that: The moving mechanism (3) comprises a mounting frame (31), the mounting frame (31) is fixedly mounted on the outside of the engine cylinder head body (1), a slide groove (32) is provided inside the mounting frame (31), a limit slider (33) is slidably mounted inside the slide groove (32), a limit block (34) is fixedly mounted on the top of the limit slider (33), and a push plate (35) is fixedly mounted on the bottom of the limit slider (33).

3. The dustproof engine cylinder head according to claim 2, characterized in that: The slide groove (32), the limit slider (33), the limit block (34) and the push plate (35) are each provided with two and are symmetrically distributed on the left center line of the mounting frame (31); the moving mechanism (3) is provided with an engine cylinder body (4) group, and are respectively arranged at positions around the engine cylinder head body (1).

4. The dustproof engine cylinder head according to claim 2, characterized in that: The extrusion assembly (21) comprises an outer sleeve (211), the outer sleeve (211) being fixedly mounted on the inner side of the push plate (35), an inner sleeve (212) being slidably mounted inside the outer sleeve (211), a pressure plate (213) being fixedly mounted on one end of the inner sleeve (212) away from the outer sleeve (211), a sealing sheet (214) being fixedly mounted on one end of the pressure plate (213) away from the inner sleeve (212), and a spring (215) being fixedly mounted on one end of the pressure plate (213) close to the inner sleeve (212).

5. The dustproof engine cylinder head according to claim 4, characterized in that: One end of the spring (215) away from the pressure plate (213) is fixedly mounted on the push plate (35); the outer sleeve (211) and the inner sleeve (212) are arranged inside the spring (215); thirteen of the outer sleeve (211), the inner sleeve (212) and the spring (215) are arranged and linearly distributed on the outer surface of the pressure plate (213); four groups of the extrusion components (21) are arranged and are respectively arranged at positions around the engine cylinder head body (1).

6. The dustproof engine cylinder head according to claim 2, characterized in that: The fixing assembly (22) comprises a connecting pipe (221), the connecting pipe (221) is fixedly mounted on the outside of the push plate (35), a bolt (222) is rotatably mounted inside the connecting pipe (221), a gasket (223) is arranged outside the bolt (222), and a threaded hole (224) is opened inside the mounting frame (31).

7. The dustproof engine cylinder head according to claim 6, characterized in that: The bolt (222) is threadedly installed inside the threaded hole (224), and the bolt (222) passes through the gasket (223) and the threaded hole (224) in sequence and is rotatably installed inside the connecting pipe (221). The fixing assembly (22) is provided with four groups, and each group is provided with two pairs, and each two pairs are symmetrically distributed on the left side center line of the mounting frame (31), and the four groups are respectively provided at positions around the engine cylinder head body (1).

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