TWM536305U - Pressure relief valve and system of stopping oil pressure relief - Google Patents

Description

Pressure relief valve and oil pressure relief system

The new system is related to oil pressure, in particular, a pressure relief valve and a hydraulic pressure relief stop system are designed.

The known pressure relief valve has a structure that is too simple but incomplete in function, otherwise it is too complicated and it is not easy to manufacture and assemble, and cannot meet the user's demand; while the oil supply of the hydraulic device is known, the pressure relief is incomplete or Too slow is likely to cause the danger of excessive pressure of the hydraulic cylinder; therefore, the lack of the conventional pressure relief valve and the hydraulic pressure relief system still needs to be improved.

In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a pressure relief valve which can provide a better control effect, can provide rapid pressure relief and improve safety, and is easy to manufacture and process parts. More convenient and fast.

In view of the above-mentioned drawbacks of the prior art, another object of the present invention is to provide an oil pressure relief stop system which can provide rapid pressure relief and stop oil supply, and double protection for safety.

In order to achieve the above object, the present invention provides a pressure relief valve comprising a mounting body, which is provided with an opening, a receiving hole, a sealing cone, and an opening; and an abutment The receiving hole of the mounting body has a perforation and a plurality of oil passage holes; a top post having a post portion piercing the abutment; a spring disposed between the abutment and the top post; a cone a valve having a piece of fitting; the cone valve is Directly or indirectly pushed against the top column; a sealing member is mounted on the sealing portion of the poppet valve to abut against the sealing cone hole sealed to the mounting body.

Preferably, the mounting system is composed of a first body and a second body.

Preferably, the poppet valve has a neck portion, and the seal member has a constricted portion that encloses the neck portion of the poppet valve.

Preferably, the poppet valve has a conical hole, and the top post also has a conical hole. The pressure relief valve further comprises a ball being sandwiched between the conical hole of the cone valve and the conical hole of the top post.

In order to achieve the above object, the present invention provides an oil pressure relief stop system, comprising a hydraulic cylinder having an oil pressure chamber equipped with oil; an oil supply pipeline connected to the oil pressure chamber of the hydraulic cylinder And a device; a pressurized group having a plunger seal operatively pressurizing the oil in the hydraulic cylinder; and the pressure relief valve as described in the hydraulic cylinder or the oil supply line.

Preferably, the method further comprises a pressure switch connected to the hydraulic cylinder or the oil supply pipeline, and controlling the operation of the pressure boosting group according to pressure.

Preferably, the pressure relief valve is adjacent to the pressure opening relationship, and the oil of the hydraulic cylinder may first pass to the pressure relief valve or first to the pressure switch.

In order to achieve the above object, the present invention provides an oil pressure relief stop system, comprising a hydraulic cylinder having an oil pressure chamber equipped with oil; an oil supply pipeline connected to the oil pressure chamber of the hydraulic cylinder And a device; a pressurizing group having a plunger (A) for sealingly pressurizing the oil in the hydraulic cylinder; and a pressure relief valve connected to the hydraulic cylinder or the oil supply line.

Preferably, the method further comprises a pressure switch connected to the hydraulic cylinder or the oil supply pipeline, and controlling the operation of the pressure boosting group according to pressure.

Preferably, the pressure relief valve is adjacent to the pressure opening relationship, and the oil of the hydraulic cylinder may be first passed to the pressure relief valve or first to the pressure switch.

(1) ‧‧‧pressure relief valve

(2)‧‧‧Hydraulic cylinder

(3) ‧‧‧ oil supply pipeline

(4) ‧‧‧ Equipment

(5) ‧‧‧Supercharger group

(5A)‧‧‧Plunger

(7)‧‧‧ Pressure switch

(10) ‧‧‧ first ontology

(11) ‧‧‧ Opening

(12) ‧‧‧ accommodating holes

(20)‧‧‧Second ontology

(21)‧‧‧ Sealing cone hole

(22)‧‧‧Into the opening

(30)‧‧‧Resident

(31)‧‧‧Perforation

(32) ‧‧‧ oil hole

(40)‧‧‧Top column

(41) ‧ ‧ column

(42)‧‧‧Conical hole

(50) ‧ ‧ spring

(60)‧‧‧Beads

(70)‧‧‧Break valve

(71)‧‧‧Conical hole

(72) ‧‧‧Packing Department

(73)‧‧‧ neck

(74) ‧ ‧ oil hole

(80)‧‧‧Seal

(82) ‧‧‧

Figure 1 is an exploded perspective view of a preferred embodiment of the present pressure relief valve.

Fig. 2 is another exploded perspective view of a preferred embodiment of the present pressure relief valve.

Figure 3 is a combined cross-sectional view of a preferred embodiment of the present pressure relief valve.

Figure 4 is the same as Figure 3, showing its active state.

Figure 5 is a schematic illustration of a preferred embodiment of the present hydraulic pressure relief stop system.

Figure 6 is a schematic view of another preferred embodiment of the present hydraulic pressure relief stop system.

The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

As shown in Figures 1 to 3, a pressure relief valve (1) provided by the present invention includes:

In this embodiment, a first body (10) and a second body (20) are combined, and in this example, the bolts are combined; the mounting body is sequentially provided with a sequence. The opening (11), a receiving hole (12), a sealing cone (21), and an opening (22).

An abutment (30) is disposed in the receiving hole (12) of the mounting body, and has a through hole (31) and a plurality of oil passage holes (32).

a top post (40), the receiving hole (12) disposed in the mounting body, having a post portion (41) through the through hole (31) of the abutting seat (30), and a tapered hole (42) formed On the opposite end.

a plurality of springs (50) disposed between the abutting seat (30) and the top post (40); in the embodiment, the spring (50) is a spring washer, which can vary in number, thickness, shape or size. You can adjust the size or stroke of the stretch.

a cone valve (70) having a tapered bore (71) opposite the top post (40), a piece loading portion (72), a neck portion (73), and a plurality of oil passage holes (74) The receiving hole (12) of the mounting body communicates with the sealing cone hole (21).

A ball (60) is interposed between the conical hole (71) of the poppet valve (70) and the conical hole (42) of the top post (40).

A sealing member (80) is capable of abutting against a sealing cone hole (21) sealed to the mounting body. In this example, the sealing member (80) is a silicone rubber.

Wherein, the cone valve (70) has a neck portion (73), and the sealing member (80) has a constricted portion (82) for sheathing the neck portion (73) of the cone valve (70).

The poppet valve (70) can be axially movably pushed by the top post (40) to seal or seal the sealing cone (21) of the mounting body.

Figure 4 is an actuating state diagram in which when the hydraulic pressure is greater than the spring force of the spring (50), the poppet valve (70) can be pushed to move, and the oil can enter the receiving hole of the mounting body ( 12) and flowing out of the outlet (11), whereby the function of pressure relief can be quickly achieved.

Thereby, the pressure relief valve of the embodiment can provide better control effect, can provide rapid pressure relief and improve safety, and the parts are easy to manufacture and process, and the assembly is convenient and fast.

As shown in Figure 5, the present invention provides a hydraulic pressure relief stop system comprising:

A hydraulic cylinder (2) has an oil pressure chamber equipped with oil.

An oil supply line (3) is connected to the oil pressure chamber of the hydraulic cylinder (2) and a device (4), such as a press machine.

A pressurizing group (5) having a plunger (5A) sealingly pressurizes the oil in the hydraulic cylinder (2). The drive is usually operated with air pressure, but it can also be other drive sources.

A pressure switch (7) is connected to the hydraulic cylinder (2) and controls the operation of the boosting group (5) according to pressure.

A pressure relief valve (1) as described above is connected to the pressure switch (7).

In this embodiment, the hydraulic cylinder (2) is first connected to the pressure switch (7), and the pressure switch (7) is connected to the pressure relief valve (1).

However, this embodiment can also be changed to the hydraulic cylinder (2) first connected to the pressure relief valve (1), which is connected to the pressure switch (7).

In addition, the pressure switch (7) can be connected to the oil supply line (3) instead of being connected to the hydraulic cylinder (2) as described above.

In this embodiment, the pressure relief valve (1) can be changed to be connected to the oil supply line (3).

Thereby, the hydraulic pressure relief stop system of the embodiment can provide rapid pressure relief and stop the oil supply, and the pressure relief valve (1) and the pressure switch (7) act to stop the device (4), and double protection improves safety. .

As shown in Figure 6, the creation also provides a hydraulic pressure relief stop system comprising:

A hydraulic cylinder (2) has an oil pressure chamber equipped with oil.

An oil supply line (3) is connected to the oil pressure chamber of the hydraulic cylinder (2) and a device (4).

A pressurizing group (5) having a plunger (5A) sealingly pressurizes the oil in the hydraulic cylinder (2).

A pressure relief valve is not limited to the above, and is connected to the hydraulic cylinder (2).

In this embodiment, the pressure relief valve (1) can also be changed to be connected to the oil supply line (3).

Thereby, the hydraulic pressure relief stop system of the embodiment can provide a quick pressure relief and stop the oil supply, and the pressure relief valve (1) acts to stop the device (4) from increasing safety.

The preferred embodiment of the present invention has been described in detail above. It will be appreciated that many modifications and variations can be made by those skilled in the art in light of the inventive concept. Therefore, any technical solution that can be obtained by a person skilled in the art according to the prior art by logic analysis, reasoning or limited experiment based on the prior art concept should be within the protection scope determined by the request item.

(1) ‧‧‧pressure relief valve

(10) ‧‧‧ first ontology

(20)‧‧‧Second ontology

(30)‧‧‧Resident

(40)‧‧‧Top column

(50) ‧ ‧ spring

(60)‧‧‧Beads

(70)‧‧‧Break valve

(80)‧‧‧Seal

Claims (10)

A pressure relief valve (1) comprises: a mounting body, which is provided with an opening (11), a receiving hole (12), a sealing cone (21), and an opening (22). a seating (30), the receiving hole (12) disposed in the mounting body, having a through hole (31) and a plurality of oil passage holes (32); a top column (40) having a column portion ( 41) a through hole (31) for the abutment (30); a spring (50) disposed between the abutment (30) and the top post (40); a cone valve (70) having a piece a mounting portion (72); the poppet valve (70) can be directly or indirectly pushed against the top post (40); a sealing member (80) mounted on the sealing portion (72) of the poppet valve (70) The sealing cone hole (21) sealed to the mounting body can be abutted. The pressure relief valve (1) of claim 1, wherein the installation system is composed of a first body (10) and a second body (20). A pressure relief valve (1) according to claim 2, wherein the cone valve (70) has a neck portion (73), the seal member (80) having a constricted portion (82) sheathing the cone valve (70) The neck (73). The pressure relief valve (1) according to claim 1, wherein the cone valve (70) has a neck portion (73), and the sealing member (80) has a constricted portion (82) for sheathing the cone valve (70) The neck (73). A pressure relief valve (1) according to claim 1 or 2 or 3 or 4, wherein the cone valve (70) has a conical bore (71), the top post (40) also having a conical bore (42), The pressure relief valve further includes a ball (60) sandwiched between the tapered bore (71) of the poppet valve (70) and the tapered bore (42) of the top post (40). An oil pressure relief stop system comprises: a hydraulic cylinder (2) having an oil pressure chamber equipped with oil; an oil supply pipeline (3), an oil connected to the hydraulic cylinder (2) Pressure chamber and a device (4); a pressurizing group (5) having a plunger (5A) sealingly operatively pressurizing the oil in the hydraulic cylinder (2); a pressure relief as claimed in claim 1 or 2 or 3 or 4 or 5 The valve (1) is connected to the hydraulic cylinder (2) or the oil supply pipeline (3). The hydraulic pressure relief stop system of claim 6, further comprising a pressure switch (7) connected to the hydraulic cylinder (2) or the oil supply pipeline (3), and controlling the increase according to pressure Press group (5) to act. The oil pressure relief stop system according to claim 7, wherein the pressure relief valve (1) is adjacent to the pressure switch (7), and the oil of the hydraulic cylinder (2) can be first passed to the pressure relief The valve (1) or the pressure switch (7) is first passed. An oil pressure relief stop system comprises: a hydraulic cylinder (2) having an oil pressure chamber equipped with oil; an oil supply pipeline (3), an oil connected to the hydraulic cylinder (2) a pressure chamber and a device (4); a pressurization group (5) having a plunger (5A) sealingly urging the oil in the hydraulic cylinder (2); a pressure relief valve connected to the Hydraulic cylinder (2) or the oil supply line (3). The hydraulic pressure relief stop system of claim 9, further comprising a pressure switch (7) connected to the hydraulic cylinder (2) or the oil supply pipeline (3), and controlling the increase according to pressure Press group (5) to act.