CN218816675U

CN218816675U - Engine cylinder sleeve

Info

Publication number: CN218816675U
Application number: CN202320198063.7U
Authority: CN
Inventors: 柳雅龙
Original assignee: Guangzhou Hengyuan Power Machinery Co ltd
Current assignee: Guangzhou Hengyuan Power Machinery Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-04-07
Anticipated expiration: 2033-02-13

Abstract

The utility model provides an engine cylinder sleeve, which relates to the technical field of automobile engines and solves the problem that the existing wet cylinder sleeve of an engine has poor cooling and heat dissipation effects on the inner wall of a cylinder sleeve main body, and comprises a cylinder sleeve main body; the cylinder sleeve main body consists of an inner shell and an outer shell; a liquid inlet pipe is fixedly connected to the right side of the top of the cylinder sleeve main body; a liquid outlet pipe is fixedly connected to the left side of the bottom of the cylinder sleeve main body; six diversion clapboards are fixedly arranged between the inner shell and the outer shell; twelve diversion bumps are fixedly arranged at the tops of the six diversion partition plates. Compare in present engine wet cylinder liner, this device can make more even and interior casing contact of coolant liquid, and then can improve the cooling radiating effect to cylinder liner main part inner wall.

Description

Engine cylinder sleeve

Technical Field

The utility model belongs to the technical field of automobile engine, more specifically says, in particular to engine cylinder liner.

Background

The engine cylinder liner is all installed in the cylinder of engine for the slip of piston and the burning of fuel etc. owing to mainly be in the first half of cylinder liner during the burning, so the first half heat absorption of cylinder liner is more, and the temperature rise is very fast, if not cooling down the cylinder liner, damages the cylinder liner or causes the cylinder liner deformation for a long time easily, so can be with the leading-in heat dissipation of cooling liquid to its cooling down in the cylinder liner more, also be exactly wet cylinder liner commonly used.

All be provided with an annular cavity in the casing of present engine wet cylinder liner, be provided with the heliciform passageway that supplies coolant liquid to flow again in the annular cavity, the coolant liquid can be the heliciform and flow downwards and absorb the heat when cooling the heat dissipation to the inner shell of cylinder liner, but just easy when the coolant liquid flows downwards only to outside striking because of centrifugal force, be difficult to with the inboard casing even contact of cylinder liner, consequently relatively poor to the cooling radiating effect of cylinder liner main part inner wall.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an engine cylinder sleeve to solve the relatively poor problem of cooling radiating effect of present engine wet cylinder liner to cylinder liner main part inner wall.

The purpose and the efficacy of the engine cylinder sleeve of the utility model are achieved by the following concrete technical means:

an engine cylinder liner comprises a cylinder liner main body; the cylinder sleeve main body consists of an inner shell and an outer shell; a liquid inlet pipe is fixedly connected to the right side of the top of the cylinder sleeve main body; a liquid outlet pipe is fixedly connected to the left side of the bottom of the cylinder sleeve main body; six diversion clapboards are fixedly arranged between the inner shell and the outer shell; twelve diversion bumps are fixedly arranged at the tops of the six diversion baffles.

Furthermore, one side of each flow guide partition plate is provided with a notch which penetrates through the flow guide partition plates from top to bottom, wherein the notches on the first, third and fifth flow guide partition plates are positioned on the left side, and the notches on the second, fourth and sixth flow guide partition plates are positioned on the right side.

Furthermore, the diversion convex blocks at the top of the diversion partition plate are equally divided into a front group and a rear group which are symmetrically arranged front and rear, the diversion convex blocks are of wedge-shaped block structures, and the heights of the diversion convex blocks are equal to the distance between the upper diversion partition plate and the lower diversion partition plate which are adjacent to each other.

Further, the flow guide partition plate is of an annular structure, the inner side face of the flow guide partition plate is fixedly connected with the outer wall of the inner shell, and the outer side face of the flow guide partition plate is fixedly connected with the inner wall of the outer shell.

Furthermore, the thick one side of each diversion lug is thin, the thick one side of each diversion lug at the tops of the first, third and fifth diversion partition plates faces the left side, and the thick one side of each diversion lug at the tops of the second, fourth and sixth diversion partition plates faces the right side.

Furthermore, the diversion baffle plates are divided into six layers which are arranged at equal intervals from top to bottom, and the six layers of diversion baffle plates are all positioned above the inner part of the cylinder sleeve main body.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a be provided with six baffles in the cavity between the casing of cylinder liner main part, the coolant liquid can control repeatedly in the annular cavity that the baffle separates in the use and flow, consequently just can adsorb the heat of the main position of generating heat of casing top part, and the coolant liquid can strike the surface at the water conservancy diversion lug when flowing in the annular cavity at water conservancy diversion baffle top, so the coolant liquid will be patted on the outer wall of casing including with the water conservancy diversion lug striking, only outside striking and influence cooling radiating efficiency because centrifugal force when avoiding the coolant liquid to flow, compare in present engine wet cylinder liner, this device can make the coolant liquid more even with interior casing contact, and then can improve the cooling radiating effect to cylinder liner main part inner wall.

Drawings

Fig. 1 is a schematic view of the main shaft side structure of the cylinder sleeve body after vertically sectioning.

Fig. 2 is a schematic view of the structure of the local shaft side of the outer shell and the baffle plate.

Fig. 3 is a schematic axial side structure diagram of the baffle of the present invention.

Fig. 4 is a schematic view of the main shaft side structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a cylinder liner main body; 101. an inner housing; 102. an outer housing; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. a flow guide clapboard; 5. and a flow guide projection.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples.

Example (b):

as shown in figures 1 to 4:

the utility model provides an engine cylinder sleeve, which comprises a cylinder sleeve main body 1; the cylinder sleeve main body 1 consists of an inner shell 101 and an outer shell 102, the cylinder sleeve main body 1 can be fixedly installed in a cylinder hole of an engine during installation, a piston can slide in the cylinder sleeve main body 1 at the later stage, and a cavity between the inner shell 101 and the outer shell 102 can allow cooling liquid to flow in the cavity, so that heat generated by piston friction and fuel oil combustion can be absorbed, and the cooling and heat dissipation effects on the cylinder sleeve main body 1 are further achieved; the right side of the top of the cylinder sleeve body 1 is fixedly connected with a liquid inlet pipe 2, the top end of the liquid inlet pipe 2 can be connected with an external cooling liquid supply pipe after the cylinder sleeve body 1 is installed, and external cooling liquid can flow into a cavity between the inner shell 101 and the outer shell 102 through the liquid inlet pipe 2 in the using process, so that heat generated by piston friction and fuel oil combustion can be absorbed to achieve the effects of cooling and heat dissipation; the left side of the bottom of the cylinder sleeve main body 1 is fixedly connected with a liquid outlet pipe 3, the bottom end of the liquid outlet pipe 3 can be connected with an external cooling liquid recovery pipe after the cylinder sleeve main body 1 is installed, and in the using process, cooling liquid in a cavity between the inner shell 101 and the outer shell 102 can continuously flow downwards after absorbing heat generated by piston friction and fuel oil combustion, and finally can be discharged outwards through the liquid outlet pipe 3 for circulation; six diversion clapboards 4 are fixedly arranged between the inner shell 101 and the outer shell 102, cooling liquid flows into a cavity between the inner shell 101 and the outer shell 102 through the liquid inlet pipe 2 and then enters into an annular cavity at the top of the first diversion clapboard 4, because the notches on the first, third and fifth diversion clapboards 4 are positioned at the left side, the cooling liquid flows leftwards and absorbs heat on the inner shell 101, then the cooling liquid flows downwards into an annular cavity at the top of the second diversion clapboard 4 through the notch at the left side of the first diversion clapboard 4, because the notches on the second, fourth and sixth diversion clapboards 4 are positioned at the right side, the cooling liquid flows rightwards and absorbs heat on the inner shell 101, then the cooling liquid continues to flow downwards through the notch at the right side of the second diversion clapboard 4, and thus the heat at the main heating position above the inner shell 101 can be absorbed by the repeated left-right flow; the diversion bumps 5 on the top of the diversion partition plate 4 are divided into a front group and a rear group which are symmetrically arranged in the front-rear direction, the diversion bumps 5 are of wedge-shaped block structures, the heights of the diversion bumps 5 are equal to the distance between the upper diversion partition plate and the lower diversion partition plate 4 which are adjacent to each other, and when the cooling liquid flows in the annular cavity on the top of the diversion partition plate 4, the cooling liquid can be divided into a front channel and a rear channel which flow in the same direction, so that the diversion bumps 5 symmetrically arranged in the front-rear direction can play a role of guiding the cooling liquid to impact the outer wall of the inner shell 101 in the two channels; the top of six baffles 4 still all fixedly is provided with twelve water conservancy diversion lugs 5, the coolant liquid can strike the surface at water conservancy diversion lug 5 when flowing in the annular cavity at water conservancy diversion baffle 4 top, because the coolant liquid is first, three, can flow towards the left side in the annular cavity at five layers of baffles 4 tops, the coolant liquid is the second, four, can flow towards the right side in the annular cavity at six layers of baffles 4 tops, so the coolant liquid will be patted on the outer wall of inner casing 101 with 5 striking of water conservancy diversion lug, only outside striking influences cooling radiating efficiency because of centrifugal force when avoiding the coolant liquid to flow, make the coolant liquid more even contact with inner casing 101, and then can improve the cooling radiating effect to 1 inner wall of cylinder liner main part.

The gaps on the diversion partition plates 4 of the first, third and fifth layers are positioned on the left side, and the gaps on the diversion partition plates 4 of the second, fourth and sixth layers are positioned on the right side, cooling liquid flows into a cavity between the inner shell 101 and the outer shell 102 through the liquid inlet pipe 2 and then firstly flows into the annular cavity at the top of the diversion partition plate 4 of the first layer, because the gaps on the diversion partition plates 4 of the first, third and fifth layers are positioned on the left side, the cooling liquid flows leftwards and adsorbs heat on the inner shell 101, then the cooling liquid flows downwards into the annular cavity at the top of the diversion partition plate 4 of the second layer through the gaps on the diversion partition plates 4 of the first layer, because the gaps on the diversion partition plates 4 of the second, fourth and sixth layers are positioned on the right side, the cooling liquid flows rightwards and adsorbs heat on the inner shell 101, and then the cooling liquid continuously flows downwards through the gaps on the right side of the diversion partition plates 4 of the second layer, and then the left and right sides repeatedly flow above the inner shell 101 so that heat at main heating positions of the inner shell 101 can be adsorbed.

Wherein, flow guide partition plate 4 is the loop configuration, and flow guide partition plate 4's medial surface all with the outer wall fixed connection of interior casing 101, flow guide partition plate 4's lateral surface all with the inner wall fixed connection of shell body 102, the coolant liquid can flow about relapseing in the annular cavity that flow guide partition plate 4 separated in the use to can adsorb the heat that piston friction and fuel combustion produced, and then play the cooling and heat dissipation effect to cylinder liner main part 1.

Wherein, the equal one side thickness of water conservancy diversion lug 5 is thin, and first, three, the thicker one side of water conservancy diversion lug 5 at five layers of water conservancy diversion baffle 4 tops all faces the left side, the second, four, the thicker one side of water conservancy diversion lug 5 at six layers of water conservancy diversion baffle 4 tops all faces the right side, can strike the surface at water conservancy diversion lug 5 when the coolant liquid flows in the annular cavity at water conservancy diversion baffle 4 tops, because the coolant liquid can flow towards the left side in the annular cavity at five layers of water conservancy diversion baffle 4 tops, the coolant liquid can flow towards the right side in the annular cavity at second, four, six layers of water conservancy diversion baffle 4 tops, so the coolant liquid will be struck with water conservancy diversion lug 5 and will beat on the outer wall of inner casing 101, only outside striking because of centrifugal force when avoiding the coolant liquid to flow influences cooling radiating efficiency.

Wherein, flow guide partition plate 4 divide into six layers altogether and upper and lower equidistance sets up, and six layers of flow guide partition plate 4 all are located the inside top position of cylinder liner main part 1, and the coolant liquid can flow about the annular cavity that 4 partition of flow guide partition plate divide repeatedly in the use, consequently just can adsorb the heat of the main position that generates heat of casing 101 top part.

The specific use mode and function of the embodiment are as follows:

in the utility model, the cylinder sleeve main body 1 can be fixedly arranged in the cylinder hole of the engine during installation, the later piston can slide in the cylinder sleeve main body 1, the top end of the liquid inlet pipe 2 can be connected with the external cooling liquid supply pipe after the cylinder sleeve main body 1 is installed, and the bottom end of the liquid outlet pipe 3 is connected with the external cooling liquid recovery pipe, the external cooling liquid can flow into the cavity between the inner shell 101 and the outer shell 102 through the liquid inlet pipe 2 in the using process, the cooling liquid can firstly flow into the annular cavity at the top of the first layer diversion baffle 4 after flowing into the cavity between the inner shell 101 and the outer shell 102 through the liquid inlet pipe 2, because the gaps on the first, third and fifth layers of diversion baffles 4 are positioned at the left side, the cooling liquid can firstly flow leftwards and absorb the heat on the inner shell 101, and then the cooling liquid can flow downwards into the annular cavity at the top of the second layer diversion baffle 4 through the gap at the left side of the first layer diversion baffle 4, because the notches on the second, fourth and sixth layers of flow guide partition plates 4 are positioned on the right side, the cooling liquid flows rightwards and absorbs the heat on the inner shell 101, then the cooling liquid continuously flows downwards through the notches on the right side of the second layer of flow guide partition plates 4, so that the heat of the main heating position on the upper part of the inner shell 101 can be absorbed by repeated left-right flow, the cooling liquid collides with the surface of the flow guide projection 5 when flowing in the annular cavity on the top of the flow guide partition plates 4, the cooling liquid flows towards the left side in the annular cavity on the top of the first, third and fifth layers of flow guide partition plates 4, the cooling liquid flows towards the right side in the annular cavity on the top of the second, fourth and sixth layers of flow guide partition plates 4, and the cooling liquid collides with the flow guide projection 5 and then beats on the outer wall of the inner shell 101, influence cooling radiating efficiency because centrifugal force only to outside striking when avoiding the coolant liquid to flow, make the coolant liquid more even with interior casing 101 contact, and then can improve the cooling radiating effect to cylinder liner main part 1 inner wall, can continue the downflow after the coolant liquid in the cavity adsorbs the heat that piston friction and fuel combustion produced between interior casing 101 and the shell body 102, just can circulate through the outside discharge of drain pipe 3 at last.

Claims

1. An engine cylinder liner, characterized by: the engine cylinder liner includes: a cylinder liner main body (1); the cylinder sleeve main body (1) is composed of an inner shell (101) and an outer shell (102); a liquid inlet pipe (2) is fixedly connected to the right side of the top of the cylinder sleeve main body (1); the left side of the bottom of the cylinder sleeve main body (1) is fixedly connected with a liquid outlet pipe (3); six diversion clapboards (4) are fixedly arranged between the inner shell (101) and the outer shell (102); twelve diversion bumps (5) are fixedly arranged at the tops of the six diversion clapboards (4).

2. The engine cylinder liner as set forth in claim 1, wherein: the flow guide partition plate (4) is of an annular structure, the inner side face of the flow guide partition plate (4) is fixedly connected with the outer wall of the inner shell (101), and the outer side face of the flow guide partition plate (4) is fixedly connected with the inner wall of the outer shell (102).

3. The engine cylinder liner as set forth in claim 1, wherein: the flow guide partition plates (4) are divided into six layers which are arranged at equal intervals from top to bottom, and the six layers of flow guide partition plates (4) are all located above the inner portion of the cylinder sleeve main body (1).

4. The engine cylinder liner as set forth in claim 1, wherein: one side of the diversion baffle plate (4) is provided with a notch which penetrates through the diversion baffle plate from top to bottom, wherein the notches on the first, third and fifth diversion baffle plates (4) are positioned on the left side, and the notches on the second, fourth and sixth diversion baffle plates (4) are positioned on the right side.

5. The engine cylinder liner as set forth in claim 1, wherein: the diversion bumps (5) on the top of the diversion partition plates (4) are equally divided into a front group and a rear group which are symmetrically arranged in the front-rear direction, the diversion bumps (5) are of wedge-shaped block structures, and the heights of the diversion bumps (5) are equal to the distance between the upper diversion partition plate and the lower diversion partition plate (4) which are adjacent to each other.

6. The engine cylinder liner as set forth in claim 1, wherein: the thick one side of each diversion lug (5) is thin, the thick one side of each diversion lug (5) at the tops of the first, third and fifth diversion partitions (4) faces the left side, and the thick one side of each diversion lug (5) at the tops of the second, fourth and sixth diversion partitions (4) faces the right side.