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CN-224215116-U - Integrated single-line system pressure release valve

CN224215116UCN 224215116 UCN224215116 UCN 224215116UCN-224215116-U

Abstract

The utility model discloses an integrated single-line system pressure release valve, and relates to the technical field of lubrication systems. The oil-saving type oil-saving valve comprises a valve block, a two-position two-way electromagnetic valve, a pump core through hole bolt, an oil outlet P2, an oil return port T2, a safety valve and an oil-saving valve, wherein the two-position two-way electromagnetic valve is arranged on the valve block and used for controlling the on-off of an oil way, the pump core through hole bolt is arranged on the valve block and used for being directly connected with a lubricating pump core, the oil outlet P2 is communicated with a lubricating pipeline and used for discharging oil, the oil return port T2 is used for pressure relief and oil return, the safety valve is integrated in the valve block and used for returning oil when the pipeline is overpressurized, and the oil way trend is arranged in the valve block so as to realize the oil circulation among all parts. The integrated valve block replaces a scattered pipeline, replaces a traditional pipeline connection mode, effectively solves the problem of messy connection, enables the system structure to be more compact and tidy, greatly reduces the whole occupied space, solves the problem that the integrated valve block cannot be installed in a narrow space, improves the applicability of the system, and supports pressure monitoring by a standby detection port to improve the maintainability of the system.

Inventors

  • LI YUNFEI

Assignees

  • 上海毅那机械科技有限公司

Dates

Publication Date
20260508
Application Date
20250625

Claims (5)

  1. 1. An integrated single line system pressure relief valve comprising: a valve block (4); The two-position two-way electromagnetic valve (1) is arranged on the valve block (4) and is used for controlling the on-off of an oil way; The pump core through hole bolt (2) is arranged on the valve block (4) and is used for directly connecting the lubricating pump core; an oil outlet P2 which is communicated with the lubrication pipeline and is used for discharging oil; The oil return port T2 is used for pressure relief and oil return; the safety valve (3) is integrated in the valve block (4) and is used for returning oil when the pipeline is overpressurized; an oil way trend is arranged in the valve block (4) so as to realize oil circulation among all the components.
  2. 2. The integrated single-line system pressure release valve according to claim 1, wherein the valve block (4) is further provided with spare oil outlets P3 and P4, and the spare oil outlets P3 and P4 are plugged by plugs and can be connected with a pressure gauge when needed.
  3. 3. An integrated single-line system pressure release valve according to claim 1, characterized in that the valve block (4) is further provided with backup oil return ports T3, T4, the backup oil return ports T3, T4 are plugged by plugs, and other accessories can be connected when needed.
  4. 4. An integrated single line system pressure relief valve according to claim 1 wherein said valve block (4) is of unitary metal construction and the internal oil passage comprises: a main oil way for communicating the through hole bolt (2) of the pump core with the two-position two-way electromagnetic valve (1); A working oil way for communicating the two-position two-way electromagnetic valve (1) with the oil outlet P2; and a pressure relief oil way for communicating the safety valve (3) with the oil return port T2.
  5. 5. The integrated single-line system pressure relief valve according to claim 1, wherein said two-position two-way solenoid valve (1) is normally open, so that oil flows to oil outlet P2 when electrically closed, and oil is depressurized through oil return port T2 when electrically opened.

Description

Integrated single-line system pressure release valve Technical Field The utility model belongs to the technical field of lubrication systems, and particularly relates to an integrated pressure relief valve for a centralized single-line lubrication system. Background In the existing single-line lubrication system, the pressure relief valve, the safety valve and the lubrication pump are all connected through external pipelines, and the connection mode has obvious defects: 1. The pipeline layout is messy, and the maintenance is difficult; 2. The installation is limited or even impossible in a narrow space. Therefore, we propose an integrated single line system pressure relief valve. Disclosure of utility model The utility model aims to provide an integrated single-line system pressure release valve, which solves the problems of mess of pipelines and space occupation. In order to solve the technical problems, the utility model is realized by the following technical scheme: The utility model relates to an integrated single-line system pressure release valve, which comprises: A valve block; The two-position two-way electromagnetic valve is arranged on the valve block and used for controlling the on-off of an oil way; the pump core through hole bolt is arranged on the valve block and is used for directly connecting the lubricating pump core; an oil outlet P2 which is communicated with the lubrication pipeline and is used for discharging oil; The oil return port T2 is used for pressure relief and oil return; the safety valve is integrated in the valve block and is used for returning oil when the pipeline is overpressurized; the valve block is internally provided with an oil path trend so as to realize oil circulation among all the components. In one embodiment, the valve block is further provided with spare oil outlets P3 and P4, and the spare oil outlets P3 and P4 are plugged by plugs and can be connected with a pressure gauge when needed. In one embodiment, the valve block is further provided with spare oil return ports T3 and T4, and the spare oil return ports T3 and T4 are plugged by plugs and can be connected with other accessories if needed. In one embodiment, the valve block is of unitary metal construction, and the internal oil passage includes: A main oil way for communicating the through hole bolt of the pump core with the two-position two-way electromagnetic valve; a working oil way for communicating the two-position two-way electromagnetic valve with the oil outlet P2; And a pressure relief oil way for communicating the safety valve and the oil return port T2. In one embodiment, the two-position two-way electromagnetic valve is normally open, so that oil flows to the oil outlet P2 when the electric switch is closed, and the oil is decompressed through the oil return port T2 when the electric switch is opened. The utility model has the following beneficial effects: According to the utility model, the valve block is integrated to replace a scattered pipeline, so that the traditional pipeline connection mode is replaced, the problem of messy connection is effectively solved, and the system structure is more compact and tidier. The integrated structure of the utility model greatly reduces the whole occupied space, solves the problem that the system cannot be installed in a narrow space, improves the applicability of the system, supports pressure monitoring by the standby detection port, and improves the maintainability of the system. The utility model has the advantages of simplifying the structure, simplifying the installation process, reducing the installation difficulty, simultaneously reducing the fault risks such as leakage and the like possibly caused by pipeline connection, and improving the reliability and the stability of the system. Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. FIG. 1 is a schematic diagram of the overall structure of an integrated single-line system pressure relief valve; FIG. 2 is a front view of an integrated single line system pressure relief valve; fig. 3 is a hydraulic schematic diagram of the present utility model showing the direction of the oil passage. In the drawings, the list of components represented by the various numbers is as follows: 1. Two-position two-way electromagnetic valve, 2 pump core through hole bolt, 3 safety valve, 4 valve block. Detailed Description The following description of the embodiments of the