Cooling spray hook structure of V-shaped machine

Abstract

The utility model discloses a cooling spray hook structure of a V-shaped engine, belongs to the technical field of cooling spray hooks, and solves the technical problem that two independent spray hooks need to be arranged at the same time to correspond to pistons on the left side and the right side of an existing V-shaped engine. The spraying hook structure comprises a spraying hook body, a left spraying pipe corresponding to the left piston hole and a right spraying pipe corresponding to the right piston hole are arranged on the two sides of the spraying hook body respectively, the left spraying pipe and the right spraying pipe are both of a spatial Z-shaped structure, and the spraying hook body is installed in the middle of the machine body between the left piston hole and the right piston hole. An oil inlet hole communicated with a main oil duct in the engine body is formed in the spraying hook body, the left spraying pipe and the right spraying pipe are communicated with the oil inlet hole and provided with nozzles, the nozzles of the left spraying pipe deviate from the center line of the left piston hole by a set distance, the nozzles of the right spraying pipe deviate from the center line of the right piston hole by a set distance, and the nozzles obliquely and upwards spray to the piston; the machine body is provided with a mounting hole communicated with the main oil duct, and a sealing piece is arranged between the spraying hook body and the mounting hole.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cooling spray hook, more particularly, it is a kind of V type machine cooling spray hook structure. BACKGROUND

[0002] Engine piston generally uses spray hook cooling oil injection cooling, at present most engines are each piston configuration a spray hook, usually spray hook is arranged on the body, and is connected with main oil channel, when working, spray hook can continuously spray engine oil to the bottom of piston for cooling. For V type engine, left and right sides are arranged with piston, usually two spray hooks are arranged to cool left and right side pistons.

[0003] The installation structure of this way is more complex, the number of spray hook body is consistent with the number of piston hole, the number of mounting seat to be processed is also consistent with the number of piston hole, and the production cost is also higher. SUMMARY

[0004] The technical problem to be solved by the present application is to solve the above-mentioned deficiencies of the prior art, and the purpose of the present application is to provide a V type machine cooling spray hook structure, which can reduce the complexity of the structure and the production cost.

[0005] The technical scheme of the present application is: a V type machine cooling spray hook structure, comprising a spray hook body, the two sides of the spray hook body are respectively provided with a left spray pipe corresponding to the left side piston hole and a right spray pipe corresponding to the right side piston hole, the left spray pipe and the right spray pipe are both space Z type structure, the spray hook body is installed at the middle position of the body between the left side piston hole and the right side piston hole, an oil inlet hole for communicating with the main oil channel in the body is arranged in the spray hook body, the left spray pipe and the right spray pipe communicate with the oil inlet hole, the left spray pipe and the right spray pipe are both provided with a nozzle, the nozzle of the left spray pipe is offset from the center line of the left side piston hole by a certain distance, the nozzle of the right spray pipe is offset from the center line of the right side piston hole by a certain distance, the nozzle is a conical structure with large inlet and small outlet, the nozzle is inclined upward to spray toward the piston, the body is provided with a mounting hole communicating with the main oil channel, the spray hook body is inserted into the mounting hole, and a sealing element is arranged between the spray hook body and the mounting hole.

[0006] As a further improvement, the outer wall of the spray hook body is fixedly connected with a spray hook mounting plate, the body is provided with a mounting table corresponding to the spray hook mounting plate, and the spray hook mounting plate is locked on the mounting table by bolts.

[0007] Further, the spray hook mounting plate is provided with a bolt mounting hole matched with the bolt.

[0008] Further, the spray hook mounting plate is provided with a positioning pin.

[0009] Further, the bolt mounting hole and the positioning pin are respectively located at two ends of the spray hook mounting plate.

[0010] Further, a step for mounting the sealing member is arranged at the lower end of the spray hook body.

[0011] Further, the sealing member is a sealing ring or a sealing gasket.

[0012] Further, the left spray pipe and the right spray pipe are in a central symmetry structure, and the left spray pipe and the right spray pipe extend in directions away from each other, the nozzle of the left spray pipe is located on the lower side of the center line of the left piston hole, and the nozzle of the right spray pipe is located on the upper side of the center line of the right piston hole.

[0013] Further, a buffer oil cavity is arranged at the middle part of the oil inlet hole.

[0014] Beneficial effects

[0015] Compared with the prior art, the present application has the advantages of:

[0016] The spray hook structure of the present application can simultaneously cool the left and right pistons, can reduce one engine body spray hook mounting surface, and thus can reduce the structural complexity and production cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the present application;

[0018] Figure 2 is a bottom structure schematic diagram of the spray hook body in the present application;

[0019] Figure 3 is a three-dimensional structure schematic diagram of the spray hook body in the present application;

[0020] Figure 4 is an internal structure schematic diagram of the spray hook body in the present application.

[0021] Wherein: 1-spray hook body, 2-left piston hole, 3-left spray pipe, 4-right piston hole, 5-right spray pipe, 6-engine body, 7-main oil passage, 8-oil inlet hole, 9-nozzle, 10-sealing member, 11-spray hook mounting plate, 12-mounting table, 13-bolt, 14-bolt mounting hole, 15-positioning pin, 16-step, 17-buffer oil cavity. DETAILED DESCRIPTION

[0022] The present application will be further described below in combination with the specific embodiments in the drawings.

[0023] Reference Figures 1-4The utility model provides a V type engine cooling spray hook structure, including spray hook body 1, both sides of spray hook body 1 are equipped with left spray pipe 3 corresponding with left side piston hole 2 respectively, right spray pipe 5 corresponding with right side piston hole 4, left spray pipe 3 and right spray pipe 5 are all spatial Z type structure, the utility model discloses spray hook can give consideration to left and right two pistons cooling simultaneously, as shown in figure, Figure 1 The cylinder holes (i.e., the left side piston hole and the right side piston hole) of the V-type engine are arranged in a left-right staggered manner, the spray hook is arranged at a middle position of the engine body and faces the main oil passage of the engine body, and the left spray pipe and the right spray pipe of the spray hook respectively spray oil to the left side piston and the right side piston for cooling.

[0024] Specifically, the spray hook body is installed at a middle position of the engine body between the left side piston hole and the right side piston hole, the spray hook body is provided with an oil inlet hole for being communicated with the main oil passage in the engine body, and the left spray pipe and the right spray pipe are communicated with the oil inlet hole. The left spray pipe and the right spray pipe are provided with nozzles, the nozzle of the left spray pipe is arranged at a distance away from the center line of the left side piston hole, and the nozzle of the right spray pipe is arranged at a distance away from the center line of the right side piston hole, so as to provide a space for the piston connecting rod. The nozzle is a tapered structure with a large inlet and a small outlet, the large end diameter of the nozzle is equal to the diameter of the spray pipe, and the small outlet of the nozzle can increase the spraying speed of the oil. The nozzle is arranged at the edge of the piston hole and sprays upwardly to the piston, so as to spray the oil to the middle part of the piston. The engine body is provided with a mounting hole communicated with the main oil passage, the spray hook body is inserted into the mounting hole, and a sealing element is arranged between the spray hook body and the mounting hole.

[0025] Further, the outer wall of the spray hook body is fixedly connected with a spray hook mounting plate, the engine body is provided with a mounting table corresponding to the spray hook mounting plate, the spray hook mounting plate is locked to the mounting table through bolts, the spray hook mounting plate is provided with bolt mounting holes matched with the bolts, and the spray hook can be conveniently assembled and disassembled.

[0026] Preferably, the spray hook mounting plate is provided with a positioning pin, and the spray hook can be positioned during installation. The bolt mounting holes and the positioning pin are respectively arranged at two ends of the spray hook mounting plate, and the outer shape of the spray hook mounting plate is similar to the triangular structure of a gyroscope, so as to reduce the size and provide a space.

[0027] The lower end of the spray hook body is provided with a step for mounting the sealing element, and the sealing element is a sealing ring or a sealing gasket. During installation, the sealing element is sleeved on the step.

[0028] The left spray pipe and the right spray pipe are consistent in structure, the left spray pipe and the right spray pipe are centrally symmetrical, the left spray pipe and the right spray pipe extend away from each other, the nozzle of the left spray pipe is located below the center line of the left side piston hole, and the nozzle of the right spray pipe is located above the center line of the right side piston hole.

[0029] The middle part of the oil inlet hole 8 is provided with a buffer oil chamber 17, which can reduce the flow fluctuation of the main oil passage and cause the flow fluctuation of the left spray pipe 3 and the right spray pipe 5 during the operation.

[0030] The spray hook body 1 is in a cylindrical structure, the left spray pipe 3 and the right spray pipe 5 are welded on the spray hook body 1 respectively, the spray hook mounting plate 11 is in a sheet structure, is designed as a shape, and is welded with the spray hook body 1 as a whole, and the positioning pin 15 is a cylindrical pin welded on the spray hook mounting plate 11.

[0031] The above is only the preferred embodiment of the present application, it should be pointed out that for those skilled in the art, without departing from the structure of the present application, can also be made several deformation and improvement, these will not affect the effect and the practicality of the patent of the present application.

Claims

1. A V-shaped machine cooling spray hook structure, comprising a spray hook body (1), characterized in that, The spray hook body (1) has a left nozzle (3) corresponding to the left piston hole (2) and a right nozzle (5) corresponding to the right piston hole (4) on both sides. The left nozzle (3) and the right nozzle (5) are both spatial Z-shaped structures. The spray hook body (1) is installed in the middle of the machine body (6) between the left piston hole (2) and the right piston hole (4). The spray hook body (1) has an oil inlet hole (8) for communicating with the main oil passage (7) in the machine body (6). The left nozzle (3) and the right nozzle (5) are connected to the oil inlet hole (8). The left nozzle... (3) The right nozzle (5) is provided with a nozzle (9). The nozzle (9) of the left nozzle (3) is offset from the center line of the left piston hole (2) by a set distance. The nozzle (9) of the right nozzle (5) is offset from the center line of the right piston hole (4) by a set distance. The nozzle (9) is a conical structure with a large inlet and a small outlet. The nozzle (9) sprays upward towards the piston. The machine body (6) is provided with an installation hole that communicates with the main oil passage (7). The spray hook body (1) is inserted into the installation hole. A sealing element (10) is provided between the spray hook body (1) and the installation hole.

2. The V-shaped machine cooling spray hook structure according to claim 1, characterized in that, The outer wall of the spray hook body (1) is fixedly connected to a spray hook mounting plate (11), and the machine body (6) is provided with a mounting platform (12) corresponding to the spray hook mounting plate (11). The spray hook mounting plate (11) is locked to the mounting platform (12) by bolts (13).

3. The V-shaped machine cooling spray hook structure according to claim 2, characterized in that, The spray hook mounting plate (11) is provided with bolt mounting holes (14) that are compatible with the bolts (13).

4. The V-shaped machine cooling spray hook structure according to claim 3, characterized in that, The spray hook mounting plate (11) is provided with a positioning pin (15).

5. The V-shaped machine cooling spray hook structure according to claim 4, characterized in that, The bolt mounting holes (14) and positioning pins (15) are located at both ends of the spray hook mounting plate (11).

6. The V-shaped machine cooling spray hook structure according to claim 1, characterized in that, The lower end of the spray hook body (1) is provided with a step (16) for installing the seal (10).

7. The V-shaped machine cooling spray hook structure according to claim 6, characterized in that, The sealing element (10) is a sealing ring or a sealing gasket.

8. The V-shaped machine cooling spray hook structure according to claim 1, characterized in that, The left nozzle (3) and the right nozzle (5) are centrally symmetrical. The left nozzle (3) and the right nozzle (5) extend in a direction away from each other. The nozzle (9) of the left nozzle (3) is located below the center line of the left piston hole (2), and the nozzle (9) of the right nozzle (5) is located above the center line of the right piston hole (4).

9. The V-shaped machine cooling spray hook structure according to claim 1, characterized in that, The oil inlet (8) is provided with a buffer oil chamber (17) in the middle.

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