CN210240172U - Oil cylinder sealing structure for filter press assembly - Google Patents

Abstract

The utility model discloses an oil cylinder sealing structure for filter press assembly, which comprises a fixed rod and a fixed ring, the fixed rod is arranged at the upper end of the fixed ring, a screw hole is arranged inside the upper end circumference of the fixed ring, a contraposition ring is connected on the lower end circumference outer wall of the fixed ring, a fixed hole is arranged inside the upper end circumference of the contraposition ring at the right side of the fixed ring, a cylinder body extending downwards is arranged on the lower end circumference outer wall of the contraposition ring, a connecting port is arranged on the front end circumference outer wall of the cylinder body, a convex inner wall is arranged inside the cylinder body circumference at the lower end of the contraposition ring, sealing rings are also arranged on the two layers of lower end outer walls of the guide sleeve by changing the traditional straight guide sleeve into a convex shape, thus the guide sleeve is provided with the sealing rings to seal the inside of the oil cylinder in the vertical and transverse, the whole sealing structure of the oil cylinder is more perfect and very practical.

Description

Oil cylinder sealing structure for filter press assembly

Technical Field

The utility model belongs to the technical field of the hydro-cylinder is relevant, concretely relates to an oil cylinder seal structure for pressure filter assembly.

Background

The oil cylinder is called as a hydraulic cylinder, the hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), the structure is simple, the operation is reliable, when the hydraulic actuating element is used for realizing the reciprocating motion, a speed reducing device can be omitted, no transmission gap exists, the motion is stable, the hydraulic actuating element is widely applied to hydraulic systems of various machines, and the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the piston; the hydraulic cylinder basically comprises a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device, wherein the buffering device and the exhaust device are determined according to specific application occasions, and other devices are indispensable.

The existing oil cylinder technology for filter press assembly has the following problems that the oil cylinder for filter press assembly makes piston movement back and forth when in use, so that oil leakage is easy to occur, and the sealing performance of the oil cylinder is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil cylinder seal structure for pressure filter assembly to solve the not good easy oil leak's of oil cylinder leakproofness for the pressure filter that provides in the above-mentioned background art problem.

In order to achieve the above object, the utility model provides a following technical scheme: an oil cylinder sealing structure for filter press assembly comprises a fixing rod and a fixing ring, wherein the fixing rod is installed at the upper end of the fixing ring, a screw hole is formed in the inner portion of the upper end circumference of the fixing ring, a counterpoint ring is connected to the outer wall of the lower end circumference of the fixing ring, a fixing hole is formed in the inner portion of the upper end circumference of the counterpoint ring on the right side of the fixing ring, a downwardly extending cylinder body is arranged on the outer wall of the lower end circumference of the counterpoint ring, a connecting port is formed in the outer wall of the front end circumference of the cylinder body, a convex inner wall is formed in the inner portion of the cylinder body circumference at the lower end of the counterpoint ring, a novel guide sleeve device is connected to the outer wall of the lower end circumference of the fixing ring, the fixing ring is fixedly connected with the novel guide sleeve device through, the inside sealing washer that is provided with of circumference of retainer plate, be connected with the spliced pole on the lower extreme circumference outer wall of fixed column.

Preferably, the inner diameter of the circumference of the alignment ring is slightly larger than the outer diameter of the circumference of the fixing ring, and the outer diameter of the circumference of the fixing ring is the same as the outer diameter of the circumference of the connecting ring.

Preferably, the number of the fixing rings is four, the sealing rings are arranged inside the circumferences of the four fixing rings, and the four fixing rings are respectively arranged on the outer circumferential wall of the front end of the fixing column and the outer circumferential wall of the lower end of the connecting column.

Preferably, the diameters of the cross sections of the fixing ring and the sealing ring are the same.

Preferably, the circumferential diameter of the novel guide sleeve device is the same as the circumferential diameter of the corresponding convex inner wall.

Preferably, the number of the connecting ports is two, the two connecting ports are identical in size and shape, and the two connecting ports are respectively arranged on the upper side and the lower side of the outer wall of the front end of the cylinder body.

Preferably, the number of the fixing holes is eight, the size and the shape of the eight fixing holes are the same, and the eight fixing holes are arranged in the circumference of the alignment ring outside the fixing ring at equal intervals.

Compared with the prior art, the utility model provides an oil cylinder seal structure for pressure filter assembly possesses following beneficial effect:

the utility model discloses a change traditional straight uide bushing into convex, also set up the sealing washer on the two-layer lower extreme outer wall of uide bushing, make the uide bushing have the sealing washer to seal up to the hydro-cylinder inside in vertical, horizontal direction like this, changed the traditional uide bushing and only have the sealing mode of vertical sealing washer, make the holistic seal structure of hydro-cylinder more perfect, the novel uide bushing is when using, because the circumference diameter of the uide bushing has been changed to the convex design, in order not to influence the holistic use of hydro-cylinder, select to increase the circumference diameter of hydro-cylinder body and uide bushing, rather than reducing the internal diameter of cylinder body, in this way not influence the normal work of hydro-cylinder and use, it is very practical;

this hydro-cylinder of novel pressure filter assembly is when using, with the part equipment together on the hydro-cylinder, novel uide bushing when the installation, earlier puts into the retainer plate in the middle of the sealing washer counterpoint, then counterpoints go-between and solid fixed ring and installs together through the nut, puts into inside the circumference of cylinder body, connects the cylinder body through counterpointing ring and pressure filter and sets up position department, can use hydraulic pressure pipe and connector fixed connection together.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention,

in the drawings:

fig. 1 is a schematic view of a sealing structure of an oil cylinder for assembling a filter press according to the present invention;

FIG. 2 is a schematic view of a partial internal structure of the cylinder body according to the present invention;

fig. 3 is a schematic view of a novel guide sleeve connection structure provided by the present invention;

fig. 4 is a schematic sectional view of the structure of the novel guide sleeve provided by the present invention;

in the figure: 1. fixing the rod; 2. a fixing ring; 3. a screw hole; 4. a fixing hole; 5. a registration ring; 6. a cylinder body; 7. a connecting port; 8. a convex inner wall; 9. a novel guide sleeve device; 10. a connecting ring; 11. a seal ring; 12. fixing a column; 13. connecting columns; 14. and a fixing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an oil cylinder sealing structure for filter press assembly comprises a fixing rod 1 and a fixing ring 2, the fixing rod 1 is installed at the upper end of the fixing ring 2, a screw hole 3 is formed in the inner portion of the upper end circumference of the fixing ring 2, an aligning ring 5 is connected to the outer wall of the lower end circumference of the fixing ring 2, fixing holes 4 are formed in the inner portion of the upper end circumference of the aligning ring 5 on the right side of the fixing ring 2, eight fixing holes 4 are formed in the whole, the size and shape of the eight fixing holes 4 are identical, the eight fixing holes 4 are equidistantly arranged in the inner portion of the circumference of the aligning ring 5 on the outer side of the fixing ring 2, when the aligning ring 5 is fixedly connected to a filter press through the fixing holes 4, the fixing holes 4 can be firmer, a cylinder body 6 extending downwards is arranged on the outer wall of the lower end circumference of the cylinder body 5, 7 is arranged on, two connectors 7 set up respectively and are close to both sides about the front end outer wall of cylinder body 6, two connectors 7's effect is the same, two connectors 7 let in fluid in a connector 7 from top to bottom, will return oil in another connector 7, thereby make fluid take pressure to promote the hydraulic stem removal and reach driven effect, the inside protruding type inner wall 8 that is provided with of cylinder body 6 circumference to the position ring 5 lower extreme, be connected with novel uide bushing device 9 on the lower extreme outer wall of solid fixed ring 2, the circumference diameter of novel uide bushing device 9 is the same with the circumference diameter size of the protruding type inner wall 8 that corresponds, when novel uide bushing device 9 and the 8 counterpoint installations of protruding type inner wall like this, what gap can not appear in the middle of, make the leakproofness of cylinder body 6 stronger.

An oil cylinder sealing structure for filter press assembly is provided, a connecting ring 10 is arranged on a novel guide sleeve device 9, the inner diameter of the circumference of an alignment ring 5 is slightly larger than the outer diameter of the circumference of a fixing ring 2, the outer diameter of the circumference of the fixing ring 2 is the same as the outer diameter of the circumference of the connecting ring 10, because the connecting ring 10 is arranged inside the circumference of a cylinder body 6, the connecting ring 10 can be fixed inside the circumference of the cylinder body 6 at the inner side of the alignment ring 5, the fixing ring 2 is fixedly connected with the novel guide sleeve device 9 through the connecting ring 10, a fixing column 12 is connected on the outer wall of the circumference at the lower end of the connecting ring 10, a fixing ring 14 is arranged on the outer wall of the circumference at the front end of the fixing column 12, a connecting column 13 and four sealing rings 11 are arranged inside the circumference of the four fixing rings 14, the four fixing rings 14 are respectively arranged on the, a plurality of retainer plates 14 make the quantity of sealing washer 11 also increase, make sealing performance better, retainer plate 14 and the big or small shape of the cross section circumference diameter of sealing washer 11, because sealing washer 11 is the card inside the circumference of retainer plate 14, so the circumference diameter of retainer plate 14 will be the same with sealing washer 11, otherwise the circumference diameter of retainer plate 14 has too greatly been sealed washer 11 and can have dropped out, too little again can't complete the card go into, the phenomenon of oil leak appears in 6 inside seal structure of cylinder body more difficult appearance, be connected with spliced pole 13 on the lower extreme circumference outer wall of fixed column 12.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the oil cylinder assembled by the novel filter press is a single-cylinder hydraulic cylinder, which takes oil as working medium, transmits motion by the change of sealed volume, transmits power by the pressure in the oil, and transmits pressure oil or oil return by the connecting ports 7 at the upper and lower ends of the cylinder body 6, thereby realizing two-way motion, one connecting port 7 is introduced with oil, and the other connecting port 7 returns oil, so that the oil drives the pressure to push the hydraulic rod to move, thereby achieving the transmission effect, when in use, the components on the oil cylinder are assembled together, when the novel guide sleeve device 9 is installed, the sealing ring 11 is firstly put into the fixing ring 14 in an alignment way, then the connecting ring 10 and the fixing ring 2 are installed together in an alignment way by nuts, and put into the inside of the circumference of the cylinder body 6, the cylinder body 6 is connected with the filter press by the alignment ring, the hydraulic pipe and the connecting port 7 are fixedly connected together for use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an hydro-cylinder seal structure for pressure filter assembly, includes dead lever (1) and solid fixed ring (2), its characterized in that: the fixing ring is characterized in that a fixing rod (1) is installed at the upper end of the fixing ring (2), a screw hole (3) is formed inside the upper end circumference of the fixing ring (2), a counterpoint ring (5) is connected onto the outer wall of the lower end circumference of the fixing ring (2), a fixing hole (4) is formed inside the upper end circumference of the counterpoint ring (5) on the right side of the fixing ring (2), a cylinder body (6) extending downwards is arranged on the outer wall of the lower end circumference of the counterpoint ring (5), a connecting port (7) is formed on the outer wall of the front end circumference of the cylinder body (6), a convex inner wall (8) is arranged inside the circumference of the cylinder body (6) at the lower end of the counterpoint ring (5), a novel guide sleeve device (9) is connected onto the outer wall of the lower end of the fixing ring (2), a connecting ring (10) is arranged on the novel guide sleeve device, the outer wall of the circumference of the lower end of the connecting ring (10) is connected with a fixed column (12), the outer wall of the circumference of the front end of the fixed column (12) is provided with a fixed ring (14), a sealing ring (11) is arranged inside the circumference of the fixed ring (14), and the outer wall of the circumference of the lower end of the fixed column (12) is connected with a connecting column (13).

2. The cylinder sealing structure for filter press assembly according to claim 1, wherein: the circumference internal diameter of counterpoint ring (5) slightly is greater than the circumference external diameter of solid fixed ring (2), the circumference external diameter of solid fixed ring (2) is the same with the circumference external diameter of go-between (10).

3. The cylinder sealing structure for filter press assembly according to claim 1, wherein: the fixing rings (14) are four in number, sealing rings (11) are arranged inside the circumferences of the four fixing rings (14), and the four fixing rings (14) are arranged on the outer circumferential wall of the front end of the fixing column (12) and the outer circumferential wall of the connecting column (13) and the outer circumferential wall of the lower end of the fixing column (12) and the outer circumferential wall of the connecting column (13) respectively.

4. The cylinder sealing structure for filter press assembly according to claim 1, wherein: the diameters of the cross sections of the fixed ring (14) and the sealing ring (11) are the same.

5. The cylinder sealing structure for filter press assembly according to claim 1, wherein: the circumferential diameter of the novel guide sleeve device (9) is the same as that of the corresponding convex inner wall (8).

6. The cylinder sealing structure for filter press assembly according to claim 1, wherein: the two connecting ports (7) are arranged, the size and the shape of the two connecting ports (7) are the same, and the two connecting ports (7) are respectively arranged on the upper side and the lower side of the outer wall of the front end of the cylinder body (6).

7. The cylinder sealing structure for filter press assembly according to claim 1, wherein: the fixed orifices (4) are provided with eight, eight the size shape of fixed orifices (4) is all the same, eight the equidistant setting of fixed orifices (4) is inside solid fixed ring (2) outside counterpoint ring (5) circumference.

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