Integral targeting tool for piston cooling nozzle

Abstract

The utility model relates to the technical field of piston cooling nozzles, in particular to a piston cooling nozzle integral targeting tool which comprises a piston cooling nozzle, a targeting tool body and a tool table, the targeting tool body is located at the top of the tool table and is of a Z-shaped structure, a through hole is formed in the top of the targeting tool body in a penetrating mode, and a fixing sleeve is arranged in the through hole. An oil passing channel is formed in the fixing sleeve in a penetrating mode, the top diameter of the oil passing channel is larger than the bottom diameter, a top oil seal ring structure is arranged on the outer circumferential wall of the top of the fixing sleeve, and a bottom oil seal ring structure is arranged on the inner circumferential wall of the bottom of the fixing sleeve. A first oil sealing ring is arranged on the outer circumferential wall of the top oil sealing ring structure, and a second oil sealing ring is arranged on the inner circumferential wall of the bottom of the bottom oil sealing ring structure. The practical working condition is simulated through the targeting tool to carry out the targeting test, whether the piston cooling nozzle is qualified or not can be rapidly verified, it is guaranteed that a liquid column sprayed by the piston cooling nozzle is parallel to the axis of the piston, and therefore precise cooling is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston cooling nozzles, in particular to an integral target shooting tooling for a piston cooling nozzle. Background Art

[0002] The piston cooling nozzle is a device used to cool the piston by spraying liquid to reduce the temperature of the piston.

[0003] In order to ensure that the nozzle is correctly installed and can effectively spray cooling liquid into the piston inner cooling oil channel orifice, the target test of the piston cooling nozzle is a key step to ensure effective cooling of the diesel engine piston. Through the target test, potential assembly problems can be discovered and corrected in time during the manufacturing process, thereby avoiding failures in actual applications. Utility Model Content

[0004] The utility model aims to provide a piston cooling nozzle integral target shooting tooling to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The piston cooling nozzle integral targeting tool comprises a piston cooling nozzle, a targeting tool and a tooling table, wherein the targeting tool is located at the top of the tooling table, and the targeting tool is arranged in a Z-shaped structure. A through hole is formed on the top of the targeting tool, and a fixed sleeve is arranged inside the through hole. An oil passage is formed inside the fixed sleeve, and the top diameter of the oil passage is larger than the bottom diameter. A top oil sealing ring structure is arranged on the outer circumferential wall of the top of the fixed sleeve, and a bottom oil sealing ring structure is arranged on the inner circumferential wall of the bottom of the fixed sleeve. An oil sealing gasket is arranged in the middle of the oil passage, a first oil sealing ring is arranged on the outer circumferential wall of the top oil sealing ring structure, and a second oil sealing ring is arranged on the inner circumferential wall of the bottom of the bottom oil sealing ring structure, and the first oil sealing ring and the second oil sealing ring are arranged in an O-shaped structure.

[0007] As a preferred solution of the utility model, a targeting hole is provided through the bottom of the targeting tool away from the through hole.

[0008] As a preferred solution of the utility model, the piston cooling nozzle includes a nozzle body and a nozzle tube that passes through the outer wall on one side of the top of the nozzle body. The nozzle tube is arranged in an L-shaped structure. A limiting plate is arranged on the outer circumferential wall of the nozzle body below the inlet of the nozzle tube, and a fixing hole is arranged on the limiting plate.

[0009] As a preferred solution of the utility model, the nozzle body is located in the oil passage at the top of the oil seal, and the outer circumferential wall of the nozzle body abuts against the inner circumferential wall of the oil passage.

[0010] As a preferred solution of the utility model, the targeting tool is fixed on the top of the tooling table, the bottom of the targeting hole passes through the tooling table and extends below it, and the tooling table is connected to an oil collecting tank at the bottom of the targeting hole.

[0011] As a preferred solution of the utility model, fixing holes are provided on both sides of the through hole at the top of the target shooting tooling.

[0012] As a preferred solution of the utility model, the oil outlet hole of the nozzle tube is located directly above the target hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In response to the problems raised in the background technology, the present application uses a target shooting tool to simulate actual working conditions to conduct a target shooting test, which can quickly verify whether the piston cooling nozzle is qualified and ensure that the liquid column it sprays is parallel to the axis of the piston, thereby achieving precise cooling;

[0015] Through the target test, the correct installation and effective injection of the piston cooling nozzle can be ensured, thereby ensuring a good cooling effect on the diesel engine piston, which not only improves the reliability of the engine, but also reduces maintenance costs and failure risks;

[0016] During verification, place the nozzle on the targeting fixture, with the nozzle body located in the oil passage on the top of the oil seal, and the outer circumferential wall of the nozzle body abutting against the inner circumferential wall of the oil passage, the fixing hole on the limit plate corresponds to the fixing hole on the top of the targeting fixture, and an oil passage is opened inside the fixed sleeve of the targeting fixture. Press the start button, and the equipment automatically presses the nozzle. At this time, the equipment oil circuit, the targeting fixture oil circuit, and the nozzle oil circuit are connected together, and the equipment automatically applies pressure. The engine oil is sprayed from the oil tank through the oil passage and from the nozzle pipe mouth to the targeting hole of the targeting fixture. If the oil line completely enters the target hole, the nozzle is qualified, otherwise it is unqualified, and the oil collecting tank under the fixture table at the bottom of the targeting hole is used to collect the oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of the overall target shooting tooling of the utility model;

[0018] Figure 2 This is a schematic diagram of the integral piston cooling nozzle of the utility model;

[0019] Figure 3 This is a side sectional view of the target shooting tooling of the utility model;

[0020] Figure 4 This is a top view of the target shooting tooling of the utility model;

[0021] Figure 5 This is a side sectional view of the fixing sleeve of the utility model;

[0022] Figure 6 This is a schematic diagram of the internal structure of the fixed sleeve of the utility model;

[0023] Figure 7 It is a schematic diagram of the oil collecting tank at the bottom of the workbench of the utility model.

[0024] In the figure: 1. piston cooling nozzle; 11. nozzle body; 12. nozzle tube; 13. limit plate; 131. fixing hole; 2. target shooting tooling; 21. through hole; 22. fixing sleeve; 220. oil passage; 221. top oil seal ring structure; 2211. first oil seal ring; 222. bottom oil seal ring structure; 2221. second oil seal ring; 223. oil seal pad; 23. target shooting hole; 3. tooling table. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.

[0026] Example

[0027] See also Figure 1-7 The utility model provides a technical solution: a piston cooling nozzle integral shooting tool, comprising a piston cooling nozzle 1, a shooting tool 2 and a tooling platform 3, wherein the shooting tool 2 is located at the top of the tooling platform 3, and the shooting tool 2 is arranged in a Z-shaped structure, a through hole 21 is provided through the top of the shooting tool 2, a fixing sleeve 22 is arranged inside the through hole 21, an oil passage 220 is provided through the inside of the fixing sleeve 22, the top diameter of the oil passage 220 is larger than the bottom diameter, a top oil seal ring structure 221 is provided on the outer circumferential wall of the top of the fixing sleeve 22, and the fixing sleeve A bottom oil sealing ring structure 222 is provided on the inner circumferential wall of the bottom of 22, an oil sealing gasket 223 is provided in the middle of the oil passage 220, a first oil sealing ring 2211 is provided on the outer circumferential wall of the top oil sealing ring structure 221, a second oil sealing ring 2221 is provided on the inner circumferential wall of the bottom of the bottom oil sealing ring structure 222, and the first oil sealing ring 2211 and the second oil sealing ring 2221 are arranged in an O-shaped structure; a targeting hole 23 is provided through the bottom of the side of the targeting tooling 2 away from the through hole 21; fixing holes are provided on both sides of the through hole 21 at the top of the targeting tooling 2.

[0028] It should be noted that, in the present embodiment, an oil passage 220 is provided inside the fixed sleeve 22, the top diameter of the oil passage 220 is larger than the bottom diameter, a top oil seal ring structure 221 is provided on the top outer circumferential wall of the fixed sleeve 22, a bottom oil seal ring structure 222 is provided on the bottom inner circumferential wall of the fixed sleeve 22, an oil seal pad 223 is provided in the middle of the oil passage 220, a first oil seal ring 2211 is provided on the outer circumferential wall of the top oil seal ring structure 221, a second oil seal ring 2221 is provided on the bottom inner circumferential wall of the bottom oil seal ring structure 222, and the top diameter of the oil passage 220 is larger than the bottom diameter. The diameter of the piston cooling nozzle 1 is ensured to verify the oil passage, and it is convenient to install the piston cooling nozzle 1, ensuring that the bottom through hole of the piston cooling nozzle 1 corresponds to the bottom through hole of the oil passage 220, and the top outer circumferential wall of the fixed sleeve 22 is provided with a top oil sealing ring structure 221, and the outer circumferential wall of the top oil sealing ring structure 221 is provided with a first oil sealing ring 2211, and the bottom inner circumferential wall of the fixed sleeve 22 is provided with a bottom oil sealing ring structure 222, and the bottom inner circumferential wall of the bottom oil sealing ring structure 222 is provided with a second oil sealing ring 2221, and the sealing of the connection is ensured by the first oil sealing ring 2211 and the second oil sealing ring 2221;

[0029] Furthermore, an oil seal 223 is provided in the middle of the oil passage 220, and the diameter of the through hole in the inner circumferential wall of the oil seal 223 is the same as the diameter of the inner circumferential wall below the oil passage 220, so as to ensure that the engine oil enters the nozzle tube 12 from the oil tank through the oil passage during the verification process;

[0030] Furthermore, by simulating the actual working conditions through the target shooting test using the target shooting fixture 2, it is possible to quickly verify whether the piston cooling nozzle 1 is qualified and ensure that the liquid column sprayed by it is parallel to the axis of the piston, thereby achieving precise cooling;

[0031] Furthermore, through target shooting tests, the correct installation and effective injection of the piston cooling nozzle can be ensured, thereby ensuring that the diesel engine piston is well cooled, which not only improves the reliability of the engine, but also reduces maintenance costs and failure risks.

[0032] See also Figure 1 , 2 , 3, 6 and 7, the piston cooling nozzle 1 includes a nozzle body 11 and a nozzle tube 12 that passes through the outer wall on one side of the top of the nozzle body 11, the nozzle tube 12 is arranged in an L-shaped structure, and a limiting plate 13 is arranged on the outer circumferential wall of the nozzle body 11 below the inlet of the nozzle tube 12, and a fixing hole 131 is arranged on the limiting plate 13; the nozzle body 11 is located in the oil passage 220 at the top of the oil seal gasket 223, and the outer circumferential wall of the nozzle body 11 abuts against the inner circumferential wall of the oil passage 220; the targeting tooling 2 is fixed at the top of the tooling table 3, the bottom of the targeting hole 23 passes through the tooling table 3 and extends below it, and the tooling table 3 at the bottom of the targeting hole 23 is connected with an oil collecting tank; the oil outlet of the nozzle tube 12 is located directly above the targeting hole 23.

[0033] It should be noted that, in this embodiment, the nozzle body 11 is located in the oil passage 220 at the top of the oil seal 223, and the outer circumferential wall of the nozzle body 11 abuts against the inner circumferential wall of the oil passage 220, the fixing hole 131 on the limit plate 13 corresponds to the fixing hole on the top of the target shooting tool 2, and the fixing sleeve 22 of the target shooting tool 2 is provided with the oil passage 220, so that verification is quick and convenient;

[0034] Furthermore, when the nozzle body 11 is located in the oil passage 220 at the top of the oil seal 223, and the fixing hole 131 on the limit plate 13 corresponds to the fixing hole at the top of the targeting tooling 2, the oil outlet of the nozzle tube 12 is located directly above the targeting hole 23, thereby ensuring the accuracy of the verification and timely discovering and correcting potential assembly problems during the manufacturing process, thereby avoiding failures in actual applications.

[0035] During verification, the nozzle is placed on the targeting fixture 1, the nozzle body 11 is located in the oil passage 220 at the top of the oil seal 223, and the outer circumferential wall of the nozzle body 11 is in contact with the inner circumferential wall of the oil passage 220, the fixing hole 131 on the limit plate 13 corresponds to the fixing hole on the top of the targeting fixture 2, and an oil passage 220 is provided inside the fixing sleeve 22 of the targeting fixture 2. Press the start button, and the equipment automatically presses the nozzle. At this time, the equipment oil circuit, the targeting fixture oil circuit, and the nozzle oil circuit are connected together, and the equipment automatically applies pressure. The engine oil is sprayed from the oil tank through the oil circuit channel and from the nozzle pipe 12 to the targeting hole 23 of the targeting fixture. If the oil line completely enters the target hole 23, the nozzle is qualified, otherwise it is unqualified, and the oil collecting tank under the fixture table 3 at the bottom of the targeting hole 23 is collected.

[0036] The utility model workflow:

[0037] When in use and verification, the nozzle is placed on the targeting fixture 1, the nozzle body 11 is located in the oil passage 220 at the top of the oil seal 223, and the outer circumferential wall of the nozzle body 11 is in contact with the inner circumferential wall of the oil passage 220, the fixing hole 131 on the limit plate 13 corresponds to the fixing hole on the top of the targeting fixture 2, and an oil passage 220 is provided inside the fixing sleeve 22 of the targeting fixture 2. Press the start button, and the equipment automatically presses the nozzle. At this time, the equipment oil circuit, the targeting fixture oil circuit, and the nozzle oil circuit are connected together, and the equipment automatically applies pressure. The engine oil is sprayed from the oil tank through the oil circuit channel and from the nozzle pipe 12 to the targeting hole 23 of the targeting fixture. If the oil line completely enters the targeting hole 23, the nozzle is qualified, otherwise it is unqualified, and the oil collecting tank under the fixture table 3 at the bottom of the targeting hole 23 is collected.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A piston cooling nozzle integral shooting tool, comprising a piston cooling nozzle (1), a shooting tool (2) and a tooling table (3), characterized in that: The target shooting tool (2) is located on the top of the tooling platform (3). The target shooting tool (2) is arranged in a Z-shaped structure. A through hole (21) is provided on the top of the target shooting tool (2). A fixing sleeve (22) is provided inside the through hole (21). An oil passage (220) is provided inside the fixing sleeve (22). The top diameter of the oil passage (220) is larger than the bottom diameter. A top oil seal ring structure (221) is provided on the inner circumferential wall of the top of the fixing sleeve (22). A bottom oil seal ring structure (222) is provided on the inner circumferential wall of the bottom of the fixed sleeve (22), an oil seal pad (223) is provided in the middle of the oil passage (220), a first oil seal ring (2211) is provided on the outer circumferential wall of the top oil seal ring structure (221), and a second oil seal ring (2221) is provided on the inner circumferential wall of the bottom of the bottom oil seal ring structure (222), and the first oil seal ring (2211) and the second oil seal ring (2221) are arranged in an O-shaped structure.

2. The piston cooling nozzle integral target shooting tooling according to claim 1, characterized in that: A shooting hole (23) is formed through the bottom of the shooting tool (2) on one side away from the through hole (21).

3. The piston cooling nozzle integral target shooting tooling according to claim 1, characterized in that: The piston cooling nozzle (1) comprises a nozzle body (11) and a nozzle tube (12) penetrating the outer wall on one side of the top of the nozzle body (11); the nozzle tube (12) is arranged in an L-shaped structure; a limiting plate (13) is arranged on the outer circumferential wall of the nozzle body (11) below the inlet of the nozzle tube (12); and a fixing hole (131) is arranged on the limiting plate (13).

4. The piston cooling nozzle integral target shooting tool according to claim 3, characterized in that: The nozzle body (11) is located in the oil passage (220) at the top of the oil seal (223), and the outer circumferential wall of the nozzle body (11) abuts against the inner circumferential wall of the oil passage (220).

5. The piston cooling nozzle integral target shooting tooling according to claim 2, characterized in that: The target shooting tool (2) is fixedly located on the top of the tooling platform (3), the bottom of the target shooting hole (23) passes through the tooling platform (3) and extends below it, and the tooling platform (3) is connected to an oil collecting tank at the bottom of the target shooting hole (23).

6. The piston cooling nozzle integral target shooting tool according to claim 1, characterized in that: Fixing holes are arranged on both sides of the through hole (21) located at the top of the target shooting tool (2).

7. The piston cooling nozzle integral target shooting tool according to claim 3, characterized in that: The oil outlet hole of the nozzle tube (12) is located directly above the target hole (23).

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