Piston cooling nozzle bolt

Abstract

The utility model relates to the technical field of cooling nozzle bolts, and discloses a piston cooling nozzle bolt which comprises a cooling nozzle bolt body, a containing groove is formed in the cooling nozzle bolt body, a mounting groove is formed in one end of the cooling nozzle bolt body, the containing groove is communicated with the mounting groove, and an oil sealing valve assembly is arranged in the containing groove. According to the cooling nozzle bolt, the internal hexagonal wrench is inserted into the internal hexagonal dismounting groove for screwing, so that the oil sealing valve assembly is integrally taken out of the cooling nozzle bolt body, replacement can be completed, replacement is convenient and rapid, the use cost is reduced, and the service life of the spring is prolonged through auxiliary supporting of the auxiliary telescopic rod.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling nozzle bolts, in particular to a piston cooling nozzle bolt. Background Art

[0002] The cooling nozzle bolt is a component used to fix the engine piston cooling nozzle. It is usually installed on the main oil channel of the cylinder block. The cooling nozzle is fixed by bolts so that cooling oil can be sprayed onto the lower surface of the piston to achieve the purpose of cooling the piston. This bolt design helps to improve the cooling efficiency of the engine and reduce engine damage caused by high temperature.

[0003] The utility model patent application document with the publication number "CN201057078Y" discloses a piston cooling nozzle bolt, which has a hollow bolt body, an oil inlet communicated with the oil passage of the diesel engine cylinder block and an oil outlet communicated with the cooling nozzle at the lower part of the bolt body, a pressure regulating valve body and a spring are installed in the bolt body cavity, and a valve seat is installed at the upper end of the bolt body. When the diesel engine is started and working, when the oil inlet pressure reaches the set value, the pressure regulating valve body moves and compresses the spring, causing the oil outlet to open, and the engine oil enters the piston cooling nozzle and sprays out, so as to timely cool and lubricate the piston to ensure the normal operation and service life of the diesel engine.

[0004] The piston cooling nozzle bolt disclosed in the above document has the following defects: the elastic mechanism of the spring of this technical solution will decrease after long-term use. When the spring elasticity is insufficient, the entire cooling nozzle bolt needs to be replaced, and the cost of use is relatively high.

[0005] It can be seen from this that the existing piston cooling nozzle bolt does not have a component for replacing the pressure regulating valve spring, and it is necessary to improve the existing shortcomings and provide a piston cooling nozzle bolt. Utility Model Content

[0006] The purpose of the utility model is to provide a piston cooling nozzle bolt to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model is a piston cooling nozzle bolt, comprising a cooling nozzle bolt body, wherein a receiving groove is provided inside the cooling nozzle bolt body, an installation groove is provided at one end of the cooling nozzle bolt body, the receiving groove is communicated with the installation groove, and an oil sealing valve assembly is provided inside the receiving groove.

[0009] Further, the oil sealing valve assembly comprises a mounting seat, a hexagonal disassembly groove, an auxiliary telescopic rod, a spring and a pressure regulating valve, the mounting seat is connected to the internal thread of the mounting groove, the upper surface of the mounting seat is provided with a hexagonal disassembly groove, and the auxiliary telescopic rod is fixedly installed on the lower surface of the mounting seat;

[0010] Insert the hexagonal wrench into the hexagonal disassembly groove and twist it, so as to remove the oil sealing valve assembly from the cooling nozzle bolt body, and then the replacement can be completed. The replacement is convenient and fast, which reduces the use cost.

[0011] Furthermore, a spring is fixedly mounted on the lower surface of the mounting seat, and a pressure regulating valve is provided at one end of the auxiliary telescopic rod, and the pressure regulating valve is connected to the spring;

[0012] The auxiliary support of the auxiliary telescopic rod increases the service life of the spring;

[0013] Furthermore, an oil outlet is provided on the outer surface of the cooling nozzle bolt body, the number of the oil outlets is fixed at two, and the two oil outlets are communicated with the accommodating groove.

[0014] Furthermore, a sealing gasket is fixedly installed on the inner bottom of the accommodating groove.

[0015] Furthermore, an oil inlet hole is formed at the other end of the cooling nozzle bolt body, and the oil inlet hole is connected with the oil outlet through the receiving groove.

[0016] The utility model has the following beneficial effects:

[0017] (1) The utility model achieves an effective cooling effect. When the pressure regulating valve or the spring needs to be replaced, the oil sealing valve assembly is removed from the cooling nozzle bolt body as a whole by inserting the hexagonal wrench into the hexagonal disassembly groove and twisting it. The replacement is convenient and quick, which reduces the cost of use. The auxiliary support of the auxiliary telescopic rod increases the service life of the spring.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model;

[0021] Figure 2 This is a schematic cross-sectional view of the cooling nozzle bolt body structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the oil sealing valve assembly of the utility model;

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] In the figure: 1. Cooling nozzle bolt body; 101. Receiving groove; 102. Mounting groove; 103. Oil outlet; 2. Oil sealing valve assembly; 201. Mounting seat; 202. Hexagon socket disassembly groove; 203. Auxiliary telescopic rod; 204. Spring; 205. Pressure regulating valve; 3. Sealing gasket; 4. Oil inlet hole. 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] See also Figure 1 - Figure 4 As shown, the utility model is a piston cooling nozzle bolt, comprising a cooling nozzle bolt body 1, a receiving groove 101 is provided inside the cooling nozzle bolt body 1, a mounting groove 102 is provided at one end of the cooling nozzle bolt body 1, the receiving groove 101 is connected with the mounting groove 102, and an oil sealing valve assembly 2 is provided inside the receiving groove 101;

[0028] The oil sealing valve assembly 2 includes a mounting seat 201, a hexagonal disassembly groove 202, an auxiliary telescopic rod 203, a spring 204 and a pressure regulating valve 205. The mounting seat 201 is connected to the inner thread of the mounting groove 102. The upper surface of the mounting seat 201 is provided with a hexagonal disassembly groove 202. The auxiliary telescopic rod 203 is fixedly installed on the lower surface of the mounting seat 201.

[0029] Insert the hexagonal wrench into the hexagonal disassembly groove 202 and twist it, so that the oil sealing valve assembly 2 is taken out from the cooling nozzle bolt body 1 as a whole, and the replacement is completed. The replacement is convenient and fast, and the use cost is reduced;

[0030] A spring 204 is fixedly mounted on the lower surface of the mounting seat 201, and a pressure regulating valve 205 is provided at one end of the auxiliary telescopic rod 203, and the pressure regulating valve 205 is connected to the spring 204;

[0031] The auxiliary support of the auxiliary telescopic rod 203 increases the service life of the spring 204;

[0032] The outer surface of the cooling nozzle bolt body 1 is provided with an oil outlet 103 , the number of the oil outlets 103 is fixed at two, and the two oil outlets 103 are connected to the receiving groove 101 ;

[0033] A sealing gasket 3 is fixedly installed on the inner bottom of the receiving groove 101;

[0034] An oil inlet hole 4 is formed at the other end of the cooling nozzle bolt body 1 , and the oil inlet hole 4 is connected to the oil outlet 103 through the receiving groove 101 .

[0035] When in use, first, coolant flows from the cooling system of the engine into the oil inlet hole 4 of the piston cooling nozzle bolt. When the coolant pressure is too high, the pressure regulating valve 205 can be contracted by the auxiliary telescopic rod 203 and the spring 204. When the pressure regulating valve 205 releases the blockage of the oil outlet 103, the coolant is sprayed onto the piston through the oil outlet 103 to achieve an effective cooling effect. When the pressure regulating valve 205 or the spring 204 needs to be replaced, an inner hexagonal wrench is inserted into the inner hexagonal disassembly groove 202 and twisted, so that the oil sealing valve assembly 2 is taken out from the inside of the cooling nozzle bolt body 1 as a whole, and the replacement is completed. The replacement is convenient and quick, and the use cost is reduced. Through the setting of the sealing gasket 3, the sealing gasket 3 abuts against the pressure regulating valve 205 to increase the sealing performance.

[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A piston cooling nozzle bolt, comprising a cooling nozzle bolt body (1), characterized in that: A receiving groove (101) is provided inside the cooling nozzle bolt body (1), a mounting groove (102) is provided at one end of the cooling nozzle bolt body (1), the receiving groove (101) is connected to the mounting groove (102), and an oil sealing valve assembly (2) is provided inside the receiving groove (101); The oil sealing valve assembly (2) comprises a mounting seat (201), a hexagonal disassembly groove (202), an auxiliary telescopic rod (203), a spring (204) and a pressure regulating valve (205); the mounting seat (201) is connected to the mounting seat through an internal thread of the mounting groove (102); the hexagonal disassembly groove (202) is formed on the upper surface of the mounting seat (201); and the auxiliary telescopic rod (203) is fixedly mounted on the lower surface of the mounting seat (201); A spring (204) is fixedly mounted on the lower surface of the mounting seat (201), and a pressure regulating valve (205) is provided at one end of the auxiliary telescopic rod (203), wherein the pressure regulating valve (205) is connected to the spring (204).

2. The piston cooling nozzle bolt according to claim 1, characterized in that: An oil outlet (103) is provided on the outer surface of the cooling nozzle bolt body (1), the number of the oil outlets (103) is fixed at two, and the two oil outlets (103) are connected to the containing groove (101).

3. The piston cooling nozzle bolt according to claim 1, characterized in that: A sealing gasket (3) is fixedly mounted on the inner bottom of the containing groove (101).

4. The piston cooling nozzle bolt according to claim 1, characterized in that: The other end of the cooling nozzle bolt body (1) is provided with an oil inlet hole (4), and the oil inlet hole (4) is connected to the oil outlet (103) through the receiving groove (101).

Images