CN218377663U

CN218377663U - Sealing structure of hydraulic oil tank of wood splitting machine

Info

Publication number: CN218377663U
Application number: CN202222359709.3U
Authority: CN
Inventors: 胡金涛; 田伟; 蔡鑫鑫; 唐朝年; 赵彪
Original assignee: Chongqing Dajiang Power Equipment Manufacturing Co ltd
Current assignee: Chongqing Dajiang Power Equipment Manufacturing Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-24
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a sealing structure of a hydraulic oil tank of a log splitter, which comprises a tank body of the hydraulic oil tank, end covers at two ends and an annular sealing gasket, wherein the sealing gasket is made of rubber material, and the cross section of the sealing gasket is in a polygonal shape with a right-angle edge and a bevel edge; the inner surface of the end cover is provided with a clamping groove matched with the sealing gasket, the sealing gasket is placed in the clamping groove, and the end part of the box body is embedded into the clamping groove for placing the sealing gasket; the end cover is fixedly connected with the box body by bolts and is extruded mutually. The utility model discloses simple structure, simple to operate, the leakproofness is good, and sealed the pad adopts rubber to make, reinforcing ageing resistance performance, and life is longer.

Description

Sealing structure of hydraulic oil tank of wood splitting machine

Technical Field

The utility model relates to a hydraulic tank seals technical field, especially relates to a sealing structure of log splitter hydraulic tank.

Background

The wood splitting machine is an important auxiliary device in the wood chip processing industry, the hydraulic oil tank is an important component of the wood splitting machine, the hydraulic oil tank is extremely important, and most of sealing schemes between the hydraulic oil tank and an end cover of the existing wood splitting machine are sealing glue, plane sealing gaskets and the like.

Because the temperature of the hydraulic oil tank can rise in the use process of the log splitter, the internal pressure of the hydraulic oil tank is increased, and the log splitter is in a high-pressure environment; when the glue is used for sealing, the gluing and the assembling are troublesome, the condition of uneven spraying of the sealing glue is easy to occur in the gluing process, and gaps and leakage are easy to generate under the action of high pressure when the glue is used; when the flat sealing gasket is adopted for sealing, when the end faces of the hydraulic oil tank and the end covers are uneven in the production process, gaps and leakage are easy to generate under the action of high pressure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealing structure of wood splitting machine hydraulic tank, it is sealed effectual, the assembly is simple and convenient.

The utility model provides a technical scheme that its technical problem adopted is:

a sealing structure of a hydraulic oil tank of a log splitter comprises a tank body of the hydraulic oil tank, end covers at two ends of the tank body and an annular sealing gasket, wherein the sealing gasket is made of a rubber material, and the cross section of the sealing gasket is in a polygonal shape with a right-angle side and a bevel edge; the inner surface of the end cover is provided with a clamping groove matched with the sealing gasket, the sealing gasket is placed in the clamping groove, and the end part of the box body is embedded into the clamping groove for placing the sealing gasket; the end covers are fixedly connected with the box body through bolts and are extruded mutually.

The utility model provides a theory of operation that its technical problem adopted is: the sealing gasket with a right-angle side and a bevel edge on the cross section is adopted, the sealing gasket is arranged in a clamping groove on an end cover, then the end part of a box body is embedded into the clamping groove, and in the arrangement process, two right-angle surfaces of the sealing gasket are clung to the inner wall of the clamping groove, wherein the bevel surface is contacted with the end part of the box body, the sealing gasket is positioned between the end cover and the box body, and the end cover and the box body are connected by bolts and are mutually extruded, so that the end cover and the box body are respectively in close contact with the sealing gasket; because the sealing gasket is made of rubber materials, the elasticity is good, two right-angle surfaces of the sealing gasket are in contact with the inner wall of a clamping groove in the sealing gasket, when the end cover and the box body are extruded mutually, two right-angle surfaces of the sealing gasket are in close contact with each place of one inner wall and the bottom surface in the clamping groove without leaving a wire gap, the inner wall of the end part of the box body is embedded into the sealing gasket, and the end cover is in sealing connection with the box body.

The utility model discloses a show the effect and do:

1. the utility model discloses make its end cover and box sealed, simple structure, simple to operate, the leakproofness is good.

2. The sealing gasket is made of rubber, so that the ageing resistance is enhanced, and the service life is longer.

Drawings

Fig. 1 is a schematic structural view of the connection between the end cover and the box body of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a schematic structural diagram of a hydraulic oil tank.

Fig. 4 is a schematic view of the structure of the gasket.

Fig. 5 is a schematic cross-sectional view of a gasket.

FIG. 6 is a schematic view of a threaded blind hole on the first end cap.

Fig. 7 is a schematic structural view of the second end cap.

In the figure: the box body 1, the first end cover 2, the threaded blind hole 21, the second end cover 3, the through hole 31, the sealing gasket 4, the clamping groove 5, the mounting groove 51 and the screw rod 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the sealing structure of the hydraulic oil tank of the log splitter comprises a tank body 1 of the hydraulic oil tank, end covers at two ends, and a sealing gasket 4 in an annular shape, wherein the sealing gasket 4 is made of rubber materials, and the cross section of the sealing gasket is in a polygonal shape with a right-angle edge and a bevel edge; the inner surface of the end cover is provided with a clamping groove 5 matched with a sealing gasket 4, the sealing gasket 4 is placed in the clamping groove 5, and the end part of the box body 1 is embedded into the clamping groove 5 for placing the sealing gasket 4; the end cover is fixedly connected with the box body 1 through bolts and mutually extruded.

The bolt connection mode can adopt the periphery of the draw-in groove 5 of end cover sets up the connecting hole that runs through its both sides, the fixed connecting plate that sets up perpendicularly and lateral wall respectively on the lateral wall at box 1 both ends, set up the through-hole that corresponds with the connecting hole on the connecting plate, end cover and box 1 pass through connecting hole and through-hole bolted connection.

The sealing gasket 4 with a right-angle edge and a bevel edge on the cross section is adopted, the sealing gasket 4 is arranged in a clamping groove 5 on an end cover, then the end part of a box body 1 is put into the clamping groove 5, and when the sealing gasket is arranged, two right-angle surfaces of the sealing gasket 4 are clung to the inner wall of the clamping groove 5, wherein the inclined surface is contacted with the end part of the box body 1, the sealing gasket 4 is positioned between the end cover and the box body 1, and the end cover and the box body 1 are connected by bolts and mutually extruded, so that the end cover and the box body 1 are respectively in close contact with the sealing gasket 4; because the sealing gasket 4 is made of rubber materials, the elasticity is good, two of the right-angle surfaces of the sealing gasket 4 are in contact with the inner wall of the clamping groove 5 on the sealing gasket 4, when the end cover and the box body 1 are extruded mutually, the two of the right-angle surfaces of the sealing gasket 4 are in close contact with each place of one inner wall and the bottom surface in the clamping groove 5 without leaving a wire gap, the inner wall of the end part of the box body 1 is embedded into the sealing gasket 4, and the end cover is in sealing connection with the box body 1.

Furthermore, the cross section of the sealing gasket 4 is in a pentagonal shape with four right-angle sides and one bevel edge; and the periphery of draw-in groove 5 still sets up a mounting groove 51 with draw-in groove 5 intercommunication, the degree of depth of mounting groove 51 is less than the degree of depth of draw-in groove 5, and when mounting groove 51 made box 1 be connected with the end cover, the location installation of being convenient for also gives a spacing support of the tip of box 1 simultaneously. And when the installation, wherein three right angle face of sealed 4 of filling up respectively with the bottom surface and the lateral wall contact of draw-in groove 5, the inclined plane is located the one side that is close to mounting

groove

51, 1 tip of box gets into in mounting groove 51 and the draw-in groove 5 simultaneously, because the inclined plane of sealed 4 of filling up contacts with mounting groove 51 one side, make 1 tip of box walk toward draw-in groove 5 bottom more, sealed 4 inclined planes and 1 inner wall contact of box are inseparable more, until 1 tip of box and the bottom contact of mounting groove 51, finally make the inclined plane of sealed 4 produce extrusion deformation, sealed 4 of 1 tip part of box hugging closely, make the three right angle face of sealed 4 of filling up reach sealed effect with the inner wall in close contact of draw-in groove 5 simultaneously.

Further, the end cover of the hydraulic oil tank comprises a first end cover 2 and a second end cover 3, a threaded blind hole 21 is formed in the inner surface of the first end cover 2, and a through hole 31 opposite to the threaded blind hole 21 is formed in the second end cover 3; still include screw rod 6, the both ends lateral wall of screw rod 6 all sets up the screw thread, and when first end cover 2 and second end cover 3 lid to box 1 back, screw rod 6's one end stretch into in the screw thread blind hole 21 rather than threaded connection, set up after the other end wears out via hole 31 and be used for sealed combination packing ring (not marked in the figure), screw up the nut again, make its first end cover and second end cover draw close with the box each other, and extrusion seal fills up and makes it play sealed effect. During the installation, at first place sealed 4 of filling up in the draw-in groove on first end cover 2 and the second end cover 3, then be connected the one end of screw rod 6 with the screw thread blind hole 21 on the first end cover 2, again with the one end of box 1 embedding in the draw-in groove 5 of first end cover 2, then pass the via hole 31 on the second end cover 3 with the other end of screw rod 6, in the other end tip embedding draw-in groove 5 of second end cover 3 of box 1, establish the composite washer at the other end of screw rod 6 upper cover, adopt the nut again to twist at screw rod 6 tip, make its first end cover 2 and second end cover 3 and box 1 fixed sealing connection.

The combined gasket is formed by integrally bonding and vulcanizing a rubber ring and a metal ring, is a sealing ring for sealing connection of threads and a flange, and comprises the metal ring and a rubber sealing ring.

Further, one side of the outer surface of the second end cap 3 is provided with an annular sinking platform, the annular sinking platform is located at the opening of the via hole 31, and the combined gasket is arranged in the annular sinking platform (not shown in the figure). The middle part of the annular sinking platform is provided with a through hole 31, the combined gasket is placed in the sinking platform, the screw rod 6 penetrates through the through hole and the combined gasket, and after the nut is adopted for screwing, the combined gasket is tightly contacted with the surface of the annular sinking platform and the screw rod 6 to achieve the sealing effect. The annular sinking platform enables the combined gasket to be convenient to install and has stronger sealing performance.

Further, four sets of screw rods 6 are arranged between the first end cover 2 and the second end cover 3. Adopt multiunit screw rod 6 to connect first end cover 2, second end cover 3 on box 1, make its connection more reliable.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only a specific implementation method of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing structure of a hydraulic oil tank of a log splitter comprises a tank body (1) of the hydraulic oil tank and end covers at two ends, and is characterized by further comprising an annular sealing gasket (4), wherein the sealing gasket (4) is made of rubber materials, and the cross section of the sealing gasket is in a polygonal shape with a right-angle edge and a bevel edge; the inner surface of the end cover is provided with a clamping groove (5) matched with the sealing gasket (4), the sealing gasket (4) is placed in the clamping groove (5), and the end part of the box body (1) is embedded into the clamping groove (5) for placing the sealing gasket (4); the end covers are fixedly connected with the box body (1) through bolts and are extruded mutually.

2. The sealing structure of the hydraulic oil tank of the log splitter as claimed in claim 1, wherein the section of the sealing gasket (4) is in a pentagonal shape with four right-angle sides and one oblique side; and the periphery of the clamping groove (5) is also provided with a mounting groove (51) communicated with the clamping groove (5), and the depth of the mounting groove (51) is smaller than that of the clamping groove (5).

3. The sealing structure of the hydraulic oil tank of the log splitter as claimed in claim 1 or 2, wherein the end cover of the hydraulic oil tank comprises a first end cover (2) and a second end cover (3), the inner surface of the first end cover (2) is provided with a threaded blind hole (21), and the second end cover (3) is provided with a through hole (31) opposite to the threaded blind hole (21); still include screw rod (6), the both ends lateral wall of screw rod (6) all sets up the screw thread, and after first end cover (2) and second end cover (3) lid box (1) gone up, the one end of screw rod (6) stretched into in screw thread blind hole (21) rather than threaded connection, and the other end sets up after wearing out via hole (31) and is used for sealed combination packing ring, adopts nut fixed connection again.

4. The sealing structure of the hydraulic oil tank of the log splitter as claimed in claim 3, wherein one side of the outer surface of the second end cap (3) is provided with an annular sinking platform, the annular sinking platform is positioned at the opening of the through hole (31), and the combined gasket is arranged in the annular sinking platform.

5. The sealing structure of the hydraulic oil tank of the log splitter as claimed in claim 3, wherein four sets of screw rods (6) are arranged between the first end cap (2) and the second end cap (3).

6. The sealing structure of the hydraulic oil tank of the log splitter as claimed in claim 4, wherein four sets of screw rods (6) are arranged between the first end cap (2) and the second end cap (3).