阅读说明：本技术 一种位移式活塞蓄能器 (Displacement type piston energy accumulator ) 是由 潘桂德 *** 黄颂丽 于 2018-06-14 设计创作，主要内容包括：本发明公开了一种位移式活塞蓄能器,属于能量储蓄装置技术领域。所述的壳体左侧设置有气端端盖,壳体右侧设置有油端端盖,所述的气端端盖上设置有导电阀和国标充气阀,且气端端盖内侧通过M10内六角圆柱头螺钉与固定座连接,且固定座上设置有拉线位移传感器,所述的拉线位移传感器的通过电力线与导电阀电连接,活塞工作时,凸台与凹槽之间形成间隙配合,液体流量瞬间减少,凸台旁边的空间有大量液体在间隙流出,从而达到液压缓冲的作用；活塞侧边开设径向注油孔,在径向注油孔内注入液压油,给支承环、双向密封和单向密封供油,起到润滑作用,减少摩擦,消除异响,从而延长活塞蓄能器的使用寿命。(The invention discloses a displacement type piston energy accumulator, and belongs to the technical field of energy storage devices. The left side of the shell is provided with an air end cover, the right side of the shell is provided with an oil end cover, the air end cover is provided with a conductive valve and a national standard inflation valve, the inner side of the air end cover is connected with a fixed seat through an M10 hexagon socket head cap screw, the fixed seat is provided with a stay wire displacement sensor, the stay wire displacement sensor is electrically connected with the conductive valve through a power line, when the piston works, a boss is in clearance fit with a groove, the liquid flow is reduced instantly, and a large amount of liquid flows out in a clearance in a space beside the boss, so that the hydraulic buffering effect is achieved; the radial oil filler point is seted up to the piston side, injects hydraulic oil in the radial oil filler point, for supporting ring, two-way seal and the one-way sealed fuel feeding, plays the lubrication action, reduces the friction, eliminates the abnormal sound to the life of extension piston energy storage ware.)

1. A displacement piston accumulator, comprising: the device comprises a conductive valve (1), an air end cover (2), an M10 inner hexagonal cylindrical head screw (3), a first light spring washer (4), a stay wire displacement sensor (5), an M5 inner hexagonal cylindrical head screw (6), a second light spring washer (7), a fixed seat (8), a lifting ring screw (9), a key ring (10), a support ring (11), a two-way seal (12), a one-way seal (13), a piston (14), a boss (14-1), a radial oil filling hole (14-2), a shell (15), an O-shaped seal ring (16), a retainer ring (17), an oil end cover (18), a groove (18-1), an air valve joint (19), a combined washer (20), a national standard inflation valve (21) and a washer (22), wherein the air end cover (2) is arranged on the left side of the shell (15), the oil end cover (18) is arranged on the right side of the shell (15), the gas-end cover (2) on be provided with conducting valve (1) and national standard inflation valve (21), and gas-end cover (2) inboard through M10 hexagon socket head cap screw (3) be connected with fixing base (8), and be provided with on fixing base (8) and act as go-between displacement sensor (5), act as go-between displacement sensor (5) pass through the power line and be connected with conducting valve (1) electricity, M10 hexagon socket head cap screw (3) and fixing base (8) junction be provided with first light spring packing ring (4), act as go-between displacement sensor (5) and fixing base (8) between fix through M5 hexagon socket head cap screw (6), and be provided with second light spring packing ring (7) between M5 hexagon socket head cap screw (6) and fixing base (8), act as go-between displacement sensor (5) right side pass through the pull wire and be connected with eyebolt (9), and rings screw (9) are connected with key ring (10) on piston (14), key ring (10) articulated with rings screw (9), can do 360 rotations around the axial, piston (14) and casing (15) junction from left to right set gradually supporting ring (11), two-way seal (12) and one-way seal (13), gas end cover (2), oil end cover (18) and casing (15) junction all be provided with O type sealing washer (16) and retaining ring (17).

2. A displacement piston accumulator according to claim 1 in which: the national standard inflation valve (21) is fixed with the gas end cover (2) through the gas valve joint (19), a combined gasket (20) is arranged between the gas valve joint (19) and the gas end cover (2), and a gasket (22) is arranged between the national standard inflation valve (21) and the gas valve joint (19).

3. A displacement piston accumulator according to claim 1 in which: the outer diameter of a boss (14-1) on the piston (14) is slightly smaller than the inner diameter of a groove (18-1) on the oil end cover (18).

4. A displacement piston accumulator according to claim 1 in which: the side edge of the piston (14) is provided with a radial oil hole (14-2).

Technical Field

The invention relates to a displacement type piston energy accumulator, and belongs to the technical field of energy storage devices.

Background

An accumulator is an energy storage device in a hydropneumatic system. The energy in the system is converted into compression energy or potential energy to be stored at a proper time, and when the system needs the energy, the compression energy or the potential energy is converted into hydraulic energy or air pressure and the like to be released, and the energy is supplied to the system again. When the system pressure is increased instantaneously, it can absorb the energy of the part to ensure the pressure of the whole system is normal.

Most of the existing piston energy accumulators are not provided with buffer devices, and the piston can impact an end cover in large-flow operation time, so that abnormal sound is generated, great influence is generated on the service life of the end cover and the piston of the end cover, meanwhile, in the use process, the seal on the piston can be abraded due to long-time oil shortage friction, the movement distance of the piston is changed, and the service life of the piston energy accumulator is influenced.

Disclosure of Invention

In view of the above problems, the present invention provides a displacement piston accumulator.

The invention relates to a displacement type piston energy accumulator, which comprises a conductive valve, a gas end cover, an M10 inner hexagonal cylindrical head screw, a first light spring washer, a stay wire displacement sensor, an M5 inner hexagonal cylindrical head screw, a second light spring washer, a fixed seat, a flying ring screw, a key ring, a supporting ring, a two-way seal, a one-way seal, a piston, a boss, a radial oil filling hole, a shell, an O-shaped sealing ring, a retainer ring, an oil end cover, a groove, an air valve joint, a combined washer, a national standard inflation valve and a washer, wherein the gas end cover is arranged on the left side of the shell, the oil end cover is arranged on the right side of the shell, the conductive valve and the national standard inflation valve are arranged on the gas end cover, the inner side of the gas end cover is connected with the fixed seat through the M10 inner hexagonal cylindrical head screw, the stay wire displacement sensor is arranged on the fixed seat, and, m10 hexagon socket head cap screw and fixing base junction be provided with first light spring packing ring, displacement sensor of acting as go-between and fixing base between fixed through M5 hexagon socket head cap screw, and be provided with the light spring packing ring of second between M5 hexagon socket head cap screw and the fixing base, displacement sensor right side of acting as go-between pass through pull wire and rings screw connection, and rings screw is connected with the key ring on the piston, the key ring articulated with rings screw, can do 360 rotations around the axial, piston and casing junction from left to right set gradually supporting ring, both way seal and one way seal, gas end cover, oil end cover and casing junction all be provided with O type sealing washer and retaining ring.

Preferably, the national standard inflation valve is fixed with the gas end cover through a gas valve joint, a combined gasket is arranged between the gas valve joint and the gas end cover, and a gasket is arranged between the national standard inflation valve and the gas valve joint.

Preferably, the outer diameter of the boss on the piston is slightly smaller than the inner diameter of the groove on the oil end cover.

Preferably, the side edge of the piston is provided with a radial oil hole.

The invention has the beneficial effects that: the pressure sensor is simple in structure and reasonable in design, and the electric signal of the sensor is led out by using the conductive valve and then is connected to other control elements, so that the pressure of the energy accumulator can be borne, the displacement sensor can be smoothly used in the energy accumulator, the moving distance of the piston is actually detected, and the production process is accurately controlled; when the piston works, the boss and the groove form clearance fit, the liquid flow is instantly reduced, and a large amount of liquid flows out of the space beside the boss in the clearance, so that the hydraulic buffer effect is achieved; the radial oil filler point is seted up to the piston side, injects hydraulic oil in the radial oil filler point, for supporting ring, two-way seal and the one-way sealed fuel feeding, plays the lubrication action, reduces the friction, eliminates the abnormal sound to the life of extension piston energy storage ware.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion a of FIG. 1;

FIG. 3 is an enlarged view of the structure at b in FIG. 1;

FIG. 4 is an enlarged view of the structure at c in FIG. 1;

FIG. 5 is an enlarged view of d of FIG. 1;

FIG. 6 is a schematic structural view of a two-way seal;

FIG. 7 is a schematic structural view of a one-way seal;

FIG. 8 is a schematic view of the installation structure of the national standard inflation valve.

Reference numerals: the device comprises a conductive valve 1, a gas end cover 2, an M10 inner hexagonal socket head cap screw 3, a first light spring washer 4, a stay wire displacement sensor 5, an M5 inner hexagonal socket head cap screw 6, a second light spring washer 7, a fixed seat 8, a lifting ring screw 9, a key ring 10, a support ring 11, a two-way seal 12, a one-way seal 13, a piston 14, a boss 14-1, a radial oil filling hole 14-2, a shell 15, an O-shaped seal ring 16, a retainer ring 17, an oil end cover 18, a groove 18-1, an air valve joint 19, a combined washer 20, a national standard inflation valve 21 and a washer 22.

Detailed Description

As shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment: the portable multifunctional key ring comprises a conductive valve 1, an air end cover 2, an M10 inner hexagonal socket head cap screw 3, a first light spring washer 4, a stay wire displacement sensor 5, an M5 inner hexagonal socket head cap screw 6, a second light spring washer 7, a fixed seat 8, a lifting ring screw 9, a key ring 10, a support ring 11, a two-way seal 12, a one-way seal 13, a piston 14, a boss 14-1, a radial oil filling hole 14-2, a shell 15, an O-shaped seal ring 16, a retainer ring 17, an oil end cover 18, a groove 18-1, an air valve joint 19, a combined washer 20, a national standard inflation valve 21 and a washer 22, wherein the air end cover 2 is arranged on the left side of the shell 15, the oil end cover 18 is arranged on the right side of the shell 15, the conductive air end cover 2 is provided with the air end cover 1 and the national standard inflation valve 21, the inner side of the air end cover 2 is connected with the fixed seat 8 through the M10 inner hexagonal socket head, m10 hexagon socket head cap screw 3 and fixing base 8 junction be provided with first light-duty spring washer 4, displacement sensor 5 and the fixing base 8 of acting as go-between fixed through M5 hexagon socket head cap screw 6, and be provided with the light-duty spring washer 7 of second between M5 hexagon socket head cap screw 6 and the fixing base 8, displacement sensor 5 right side of acting as go-between be connected with eyebolt 9 through the pull wire, and the key ring 10 on eyebolt 9 and the piston 14 is connected, piston 14 and casing 15 junction from left to right set gradually supporting ring 11, two way seal 12 and one way seal 13, gas end cover 2, oil end cover 18 and casing 15 junction all be provided with O type sealing washer 16 and retaining ring 17.

The key ring 10 is hinged to the lifting ring screw 9 and can rotate 360 degrees around the axial direction, so that the piston 14 is prevented from rotating in the movement process, and the traction line can be screwed down to influence the actual length of the traction line and ensure that the measurement result of the stay wire displacement sensor 5 is inaccurate.

The stay wire displacement sensor 5 is electrically connected with the conductive valve 1 through a power line, and an electric signal of the stay wire displacement sensor 5 is led out and then is connected to other control elements, such as a PLC (programmable logic controller).

The national standard inflation valve 21 is fixed with the gas end cover 2 through the gas valve joint 19, a combined gasket 20 is arranged between the gas valve joint 19 and the gas end cover 2, and a gasket 22 is arranged between the national standard inflation valve 21 and the gas valve joint 19.

The outer diameter of the boss 14-1 on the piston 14 is slightly smaller than the inner diameter of the groove 18-1 on the oil end cover 18, when the piston 14 moves to the oil end cover 18, the boss 14-1 and the groove 18-1 form clearance fit, the liquid flow is reduced instantly, and a large amount of liquid flows out of the space beside the boss 14-1 in the clearance, so that the hydraulic buffer effect is achieved.

The side edge of the piston 14 is provided with a radial oil injection hole 14-2, hydraulic oil is injected into the radial oil injection hole 14-2 to supply oil to the supporting ring 11, the two-way seal 12 and the one-way seal 13, so that the lubricating effect is achieved, the friction is reduced, and abnormal sound is eliminated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.