Engine lower cylinder body with guide pillar

Abstract

The utility model relates to the technical field of engine lower cylinder bodies, and discloses an engine lower cylinder body with a guide pillar, which comprises a fixed connecting plate, a lower cylinder body mechanism arranged at the bottom of the fixed connecting plate, and an air cylinder mechanism arranged at the bottom of the lower cylinder body mechanism. A main bearing is placed at the top of a bearing supporting frame in a lower cylinder body shell, then a rotating ring is rotated, a fixing bolt penetrates through the rotating ring, the fixing bolt is rotated, the rotating ring is fixed to the top of a fixing connecting plate through the fixing bolt, then a fixing plate is placed at the top of the bearing supporting frame, and then the bolt is rotated; then, the sliding guide sleeve slides outside the balls outside the sliding movable sleeve, the sliding movable sleeve is driven by the sliding guide sleeve to slide outside the guide column shaft under the limitation of the spring, and therefore a certain guiding effect on the installed cylinder body is achieved; and by arranging the air cylinder box, the air cylinder connecting block, the reinforcing ribs and the protective gaskets, installation of other devices is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of engine lower cylinder bodies, in particular to an engine lower cylinder body with guide pillars. Background Art

[0002] The engine usually uses the main bearing cap at the bottom of the cylinder block and the main bearing seat of the upper cylinder block to support the crankshaft. In order to facilitate the accurate connection between the main bearing cap at the bottom of the cylinder block and the upper cylinder block, an engine lower cylinder block with guide pillars is required.

[0003] According to the description of the engine lower cylinder with guide pillars disclosed in the patent website (authorization announcement number: CN 207740089U), "The utility model provides an engine lower cylinder with guide pillars, which includes a main body in the shape of a rectangular parallelepiped, a cylinder cavity is arranged in the main body, the main body is integrally formed by aluminum alloy material, a plurality of cylinder holes connected to the cylinder cavity are arranged on the top of the main body, the lower part of the main body expands outward to form a lower fixed seat, both sides of the top of the main body in the length direction extend outward horizontally to form connecting edges, the connecting edges are provided with heat dissipation holes running through from top to bottom, a reinforcing rib is arranged on the main body at the bottom of one of the connecting edges, concave slots are arranged on both sides of the reinforcing rib, a heat conduction groove is arranged in the reinforcing rib, and the heat conduction groove is connected to the corresponding heat dissipation holes. The structure after adopting this scheme is reasonable, the overall strength is high, and the use effect is good."

[0004] In view of the above description, the applicant believes that the following problems exist: when the device is in use, a cylinder cavity is provided in the main body, and the main body is integrally formed of aluminum alloy material. A plurality of cylinder holes connected to the cylinder cavity are provided on the top of the main body, and the lower part of the main body expands outward to form a lower fixed seat. Both sides of the length direction of the top of the main body extend outward horizontally to form a connecting edge, and the connecting edge is provided with heat dissipation holes running through the upper and lower parts. A reinforcing rib is provided on the main body at the bottom of one of the connecting edges. There are two reinforcing ribs, the top of which is connected to the connecting edge, and the bottom is connected to the lower fixed seat. When the device is in use, when the main bearing is fixed, it is fixed by connecting the upper cylinder body with the lower cylinder body, which may make the main bearing not firmly fixed, thereby affecting the use of the device. Utility Model Content

[0005] The utility model aims to provide an engine lower cylinder block with guide pillars to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: an engine lower cylinder with a guide column, comprising a fixed connecting plate, a lower cylinder mechanism is arranged at the bottom of the fixed connecting plate, and a cylinder mechanism is arranged at the bottom of the lower cylinder mechanism;

[0007] A guide column assembly and a connecting assembly are arranged inside the lower cylinder mechanism, and the guide column assembly is arranged outside the connecting assembly.

[0008] Preferably, the guide column assembly includes a guide column shaft, the guide column shaft is fixedly connected to the top of the fixed connecting plate, the guide column shaft is externally slidably connected to a sliding sleeve, the sliding sleeve is externally rotatably connected to a ball, the ball is externally slidably connected to a sliding guide sleeve, a spring is provided at a middle position between the bottom of the sliding sleeve and the top of the fixed connecting plate, and the provision of the fixed connecting plate is beneficial for providing an installation basis for other components.

[0009] Preferably, through holes are opened at corresponding positions of the sliding guide sleeve and the guide column shaft, and the sliding guide sleeve is slidably connected to the outside of the guide column shaft. Since the sliding guide sleeve is provided, it is beneficial to cooperate with the ball bearings outside the sliding sleeve, which facilitates the connection between the upper and lower cylinder bodies.

[0010] Preferably, the connecting assembly includes a lower cylinder shell, which is fixedly connected to the bottom of a fixed connecting plate, the fixed connecting plate is rotatably connected to a rotating ring inside, the rotating ring is slidably connected to a fixing bolt inside, the lower cylinder shell is fixedly connected to a bearing support frame inside, a fixing plate is provided on the top of the bearing support frame, bolts are provided inside the fixing plate, and the bearing support frame is provided to facilitate supporting the main bearing.

[0011] Preferably, through holes are provided at corresponding positions of the bearing support frame and the bolts, and the bolts penetrate the fixing plate and are threadedly connected to the inside of the bearing support frame. The provision of the bolts facilitates the fixing of the fixing plate.

[0012] Preferably, through holes are provided at corresponding positions of the fixed connecting plate and the fixing bolts, and the fixing bolts are threadedly connected to the inside of the fixed connecting plate. The provision of the fixing bolts is conducive to fixing the main bearing in cooperation with the rotating ring.

[0013] Preferably, the cylinder mechanism includes a cylinder box, which is fixedly connected to the bottom of the lower cylinder shell, a cylinder connecting block is fixedly connected to the inside of the cylinder box, a reinforcing rib is fixedly connected to the inside of the cylinder connecting block, and a protective gasket is provided at the bottom of the cylinder box. The provision of the cylinder box facilitates the installation of other devices.

[0014] Compared with the prior art, the utility model provides an engine lower cylinder block with a guide column, which has the following beneficial effects:

[0015] 1. The engine lower cylinder with guide pillars has a guide pillar assembly and a connecting assembly in the lower cylinder mechanism, and the guide pillar assembly is arranged outside the guide pillar assembly. The main bearing is placed on the top of the bearing support frame inside the lower cylinder shell, and then the rotating ring is rotated, and then the fixing bolt passes through the rotating ring, and the fixing bolt is rotated so that the fixing bolt fixes the rotating ring on the top of the fixed connecting plate, and then the fixed plate is placed on the top of the bearing support frame, and then the bolt is rotated, which is conducive to fixing the main bearing more firmly, and then the sliding guide sleeve is made to slide outside the ball outside the sliding sleeve, and the sliding sleeve is driven by the sliding guide sleeve and slides outside the guide pillar shaft under the restriction of the spring, which is conducive to having a certain guiding effect on the installed cylinder.

[0016] 2. The engine lower cylinder body with guide pillars is used in conjunction with the lower cylinder body mechanism through the cylinder mechanism. The cylinder box, cylinder connecting block, reinforcing ribs and protective gaskets are provided to facilitate the installation of other devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the lower cylinder mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the guide column assembly of the lower cylinder mechanism of the utility model;

[0021] Figure 4 This is a side view of the structure of the connecting assembly of the lower cylinder mechanism of the utility model;

[0022] Figure 5 This is a schematic diagram of the top view of the structure of the lower cylinder mechanism connection assembly of the utility model;

[0023] Figure 6 This is a schematic diagram of the cylinder mechanism structure of the utility model.

[0024] In the figure: 1. fixed connecting plate; 2. lower cylinder mechanism; 21. guide column assembly; 211. guide column shaft; 212. sliding sleeve; 213. ball; 214. sliding guide sleeve; 215. spring; 22. connecting assembly; 221. lower cylinder shell; 222. rotating ring; 223. fixing bolt; 224. bearing support frame; 225. fixing plate; 226. bolt; 3. cylinder mechanism; 31. cylinder box; 32. cylinder connecting block; 33. reinforcing rib; 34. protective gasket. DETAILED DESCRIPTION

[0025] 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.

[0026] 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.

[0027] Embodiment 1:

[0028] See also Figure 1-6 The utility model provides a technical solution: an engine lower cylinder with a guide column, comprising a fixed connecting plate 1, a lower cylinder mechanism 2 is arranged at the bottom of the fixed connecting plate 1, and a cylinder mechanism 3 is arranged at the bottom of the lower cylinder mechanism 2;

[0029] A guide column assembly 21 and a connecting assembly 22 are arranged inside the lower cylinder mechanism 2 , and the guide column assembly 21 is arranged outside the connecting assembly 22 .

[0030] Furthermore, the guide column assembly 21 includes a guide column shaft 211, which is fixedly connected to the top of the fixed connecting plate 1. The guide column shaft 211 is externally slidably connected to a sliding sleeve 212, the sliding sleeve 212 is externally rotatably connected to a ball 213, the ball 213 is externally slidably connected to a sliding guide sleeve 214, and a spring 215 is provided at a middle position between the bottom of the sliding sleeve 212 and the top of the fixed connecting plate 1. The provision of the fixed connecting plate 1 is beneficial for providing an installation basis for other components.

[0031] Furthermore, through holes are opened at corresponding positions of the sliding guide sleeve 214 and the guide column shaft 211, and the sliding guide sleeve 214 is slidably connected to the outside of the guide column shaft 211. Since the sliding guide sleeve 214 is provided, it is beneficial to cooperate with the ball 213 outside the sliding sleeve 212, thereby facilitating the connection between the upper and lower cylinder bodies.

[0032] Furthermore, the connecting assembly 22 includes a lower cylinder shell 221, which is fixedly connected to the bottom of the fixed connecting plate 1, and the fixed connecting plate 1 is internally rotatably connected to a rotating ring 222, and the rotating ring 222 is internally slidably connected to a fixing bolt 223. The lower cylinder shell 221 is internally fixedly connected to a bearing support frame 224, and a fixing plate 225 is provided on the top of the bearing support frame 224, and bolts 226 are provided inside the fixing plate 225. Since the bearing support frame 224 is provided, it is beneficial to support the main bearing.

[0033] Furthermore, through holes are opened at corresponding positions of the bearing support frame 224 and the bolts 226 , and the bolts 226 penetrate the fixing plate 225 and are threadedly connected to the inside of the bearing support frame 224 . The provision of the bolts 226 facilitates the fixing of the fixing plate 225 .

[0034] Furthermore, through holes are provided at corresponding positions of the fixed connecting plate 1 and the fixing bolts 223 , and the fixing bolts 223 are threadedly connected to the inside of the fixed connecting plate 1 . The provision of the fixing bolts 223 is conducive to fixing the main bearing in cooperation with the rotating ring 222 .

[0035] Embodiment two:

[0036] See also Figure 6 In combination with the first embodiment, it is further obtained that the cylinder mechanism 3 includes a cylinder box 31, the cylinder box 31 is fixedly connected to the bottom of the lower cylinder shell 221, the cylinder box 31 is fixedly connected to the inside of the cylinder connecting block 32, the cylinder connecting block 32 is fixedly connected to the inside of the reinforcing rib 33, and a protective gasket 34 is provided at the bottom of the cylinder box 31. Since the cylinder box 31 is provided, it is convenient to install other devices.

[0037] In actual operation, when this device is used, first, the main bearing is placed on the top of the bearing support frame 224 inside the lower cylinder shell 221, and then the rotating ring 222 is rotated, and then the fixing bolt 223 passes through the rotating ring 222, and the fixing bolt 223 is rotated so that the fixing bolt 223 fixes the rotating ring 222 on the top of the fixed connecting plate 1, and then the fixed plate 225 is placed on the top of the bearing support frame 224, and then the bolt 226 is rotated, which is conducive to fixing the main bearing more firmly, and then the sliding guide sleeve 214 slides outside the ball 213 outside the sliding sleeve 212, and the sliding sleeve 212 slides outside the guide column shaft 211 under the drive of the sliding guide sleeve 214 and the restriction of the spring 215, which is conducive to a certain guiding effect on the installed cylinder body, and by setting the cylinder box 31, the cylinder connecting block 32, the reinforcing rib 33, and the protective gasket 34, it is conducive to facilitating the installation of other devices.

[0038] 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. An engine lower cylinder block with a guide column, comprising a fixed connecting plate (1), characterized in that: A lower cylinder mechanism (2) is provided at the bottom of the fixed connection plate (1), and a cylinder mechanism (3) is provided at the bottom of the lower cylinder mechanism (2); A guide column assembly (21) and a connection assembly (22) are arranged inside the lower cylinder mechanism (2), and the guide column assembly (21) is arranged outside the connection assembly (22).

2. The engine lower cylinder block with guide pillars according to claim 1, characterized in that: The guide column assembly (21) comprises a guide column shaft (211), wherein the guide column shaft (211) is fixedly connected to the top of the fixed connecting plate (1), the guide column shaft (211) is externally slidably connected to a sliding sleeve (212), the external portion of the sliding sleeve (212) is rotatably connected to a ball bearing (213), the external portion of the ball bearing (213) is externally slidably connected to a sliding guide sleeve (214), and a spring (215) is provided at a midpoint between the bottom of the sliding sleeve (212) and the top of the fixed connecting plate (1).

3. The engine lower cylinder block with guide pillars according to claim 2, characterized in that: Through holes are provided at corresponding positions of the sliding guide sleeve (214) and the guide column shaft (211), and the sliding guide sleeve (214) is slidably connected to the outside of the guide column shaft (211).

4. The engine lower cylinder block with guide pillars according to claim 2, characterized in that: The connecting assembly (22) comprises a lower cylinder shell (221), wherein the lower cylinder shell (221) is fixedly connected to the bottom of a fixed connecting plate (1), a rotating ring (222) is rotatably connected inside the fixed connecting plate (1), a fixing bolt (223) is slidably connected inside the rotating ring (222), a bearing support frame (224) is fixedly connected inside the lower cylinder shell (221), a fixing plate (225) is arranged on the top of the bearing support frame (224), and bolts (226) are arranged inside the fixing plate (225).

5. The engine lower cylinder block with guide pillars according to claim 4, characterized in that: Through holes are provided at corresponding positions of the bearing support frame (224) and the bolts (226), and the bolts (226) penetrate the fixing plate (225) and are threadedly connected to the inside of the bearing support frame (224).

6. The engine lower cylinder block with guide pillars according to claim 4, characterized in that: Through holes are provided at corresponding positions of the fixed connection plate (1) and the fixing bolts (223), and the fixing bolts (223) are threadedly connected inside the fixed connection plate (1).

7. The engine lower cylinder block with guide pillars according to claim 4, characterized in that: The cylinder mechanism (3) comprises a cylinder box (31), the cylinder box (31) is fixedly connected to the bottom of the lower cylinder shell (221), a cylinder connecting block (32) is fixedly connected inside the cylinder box (31), a reinforcing rib (33) is fixedly connected inside the cylinder connecting block (32), and a protective gasket (34) is arranged at the bottom of the cylinder box (31).

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