CN213064131U

CN213064131U - Hydraulic oil cylinder

Info

Publication number: CN213064131U
Application number: CN202021776530.2U
Authority: CN
Inventors: 陈积丰; 潘银弟; 朱小林; 邓华虎
Original assignee: Ruian Zhoufeng Auto Parts Co ltd
Current assignee: Ruian Zhoufeng Auto Parts Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-27
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a hydraulic cylinder, including bearing the seat, the top of bearing the seat is provided with the hydro-cylinder seat, the top fixedly connected with hydro-cylinder body of hydro-cylinder seat, the top fixedly connected with hydro-cylinder cover of hydro-cylinder body, the sealed piece of top fixedly connected with of hydro-cylinder cover, the top of sealed piece inner chamber is provided with sealed the pad, and the equal threaded connection in both sides at sealed piece top has first bolt. The utility model discloses a bear the weight of the seat, the hydro-cylinder body, the hydro-cylinder cover, sealed piece, sealed the pad, first bolt, the piston rod, the loading board, the cooperation of linking piece and backup pad is used, it is big to possess the lifting surface area and is convenient for change sealed advantage of filling up, it is sealed the pad with be not convenient for change to have solved current hydraulic cylinder lifting surface area little, lifting surface area is little, reduce hydraulic cylinder's bearing capacity easily, the gap appears easily in sealed long-time use of pad, it leads to small granule to get into hydraulic cylinder's inner chamber easily not to change, cause the problem of.

Description

Hydraulic oil cylinder

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, and the hydraulic actuating element has the advantages of simple structure and reliable work, when the hydraulic actuating element is used for realizing reciprocating motion, a speed reducer can be omitted, no transmission gap exists, and the hydraulic actuating element moves stably, so the hydraulic actuating element is widely applied to hydraulic systems of various machines, however, the existing hydraulic cylinder has small stress area, the sealing gasket is inconvenient to replace, the stress area is small, the bearing capacity of the hydraulic cylinder is easy to reduce, the sealing gasket is easy to generate gaps after being used for a long time, small particles are easy to enter an inner cavity of the hydraulic cylinder without being replaced, and the hydraulic cylinder is easy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic cylinder, possess the area of stress big with be convenient for change sealed advantage of filling up, solved that current hydraulic cylinder area of stress is little and be not convenient for change sealed the pad, area of stress is little, reduces hydraulic cylinder's bearing capacity easily, the gap appears easily in sealed long-time use of pad, does not change and leads to small granule to get into hydraulic cylinder's inner chamber easily, leads to the problem of damage to hydraulic cylinder easily.

In order to achieve the above object, the utility model provides a following technical scheme: the hydraulic oil cylinder comprises a bearing seat, an oil cylinder seat is arranged at the top of the bearing seat, an oil cylinder body is fixedly connected at the top of the oil cylinder seat, the top of the oil cylinder body is fixedly connected with an oil cylinder cover, the top of the oil cylinder cover is fixedly connected with a sealing block, the top of the inner cavity of the sealing block is provided with a sealing gasket, both sides of the top of the sealing block are in threaded connection with first bolts, the bottom of the first bolt penetrates through the sealing gasket and extends to the inner cavity of the sealing block, the inner cavity of the oil cylinder body is provided with a piston rod, the top of the piston rod extends to the outside of the sealing block and is fixedly connected with a bearing plate, both ends of the bearing plate are fixedly connected with connecting blocks, the inner cavity of the connecting block is movably connected with a supporting plate through a pin shaft, one side of the bottom of the supporting plate is in threaded connection with a second bolt, and the top of the second bolt penetrates through the supporting plate and extends to the outside of the supporting plate.

Preferably, the equal fixedly connected with stiffener in both sides at hydro-cylinder seat top, the outside that the hydro-cylinder lid was run through and extends to the hydro-cylinder lid is run through at the top of stiffener, the surperficial threaded connection at stiffener top has the nut, the exhaust hole has all been seted up on the surface of hydro-cylinder seat and hydro-cylinder lid.

Preferably, the bottom of both sides of the cylinder block is fixedly connected with a fixed block, the inner cavity of the fixed block is in threaded connection with a third bolt, and the bottom of the third bolt penetrates through the fixed block and extends to the inner cavity of the bearing block.

Preferably, the oil cylinder body comprises a base layer, a waterproof layer is fixedly connected to the top of the base layer, and an anti-corrosion layer is fixedly connected to the bottom of the base layer.

Preferably, the base layer is made of stainless steel, the waterproof layer is uniformly coated on the surface of the oil cylinder body by acrylic waterproof paint, and the anti-corrosion layer is uniformly coated on the surface of the oil cylinder body by polyurethane paint.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a bear the weight of the seat, the hydro-cylinder body, the hydro-cylinder cover, sealed piece, sealed the pad, first bolt, the piston rod, the loading board, the cooperation of linking piece and backup pad is used, it is big to possess the lifting surface area and is convenient for change sealed advantage of filling up, it is sealed the pad with be not convenient for change to have solved current hydraulic cylinder lifting surface area little, lifting surface area is little, reduce hydraulic cylinder's bearing capacity easily, the gap appears easily in sealed long-time use of pad, it leads to small granule to get into hydraulic cylinder's inner chamber easily not to change, cause the problem of.

2. The utility model discloses a set up the stiffener, can be convenient for protect the hydro-cylinder body, increase the service life of hydro-cylinder body, through setting up fixed block and third bolt, can be convenient for fix the hydro-cylinder seat on the surface of bearing the weight of the seat to increase lifting surface area, through setting up the waterproof layer, can improve the waterproof nature of hydro-cylinder body, make the hydro-cylinder body be difficult for being adhered to by the rainwater, through setting up the anti-corrosion coating, can improve the corrosion resistance of hydro-cylinder body, make the hydro-cylinder body be difficult for being corroded.

Drawings

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

FIG. 2 is an enlarged view of A in FIG. 1 according to the present invention;

fig. 3 is a partial sectional view of the oil cylinder body of the present invention.

In the figure: 1. a bearing seat; 2. a cylinder block; 3. a cylinder block; 4. an oil cylinder cover; 5. a sealing block; 6. a gasket; 7. a first bolt; 8. a piston rod; 9. a carrier plate; 10. a joining block; 11. a support plate; 12. a second bolt; 13. a reinforcing bar; 14. a nut; 15. an exhaust hole; 16. a fixed block; 17. a third bolt; 18. a base layer; 19. a waterproof layer; 20. and an anti-corrosion layer.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the hydraulic cylinder includes a bearing seat 1, a cylinder seat 2 is disposed on the top of the bearing seat 1, a cylinder body 3 is fixedly connected to the top of the cylinder seat 2, a cylinder cover 4 is fixedly connected to the top of the cylinder body 3, a sealing block 5 is fixedly connected to the top of the cylinder cover 4, a sealing gasket 6 is disposed on the top of an inner cavity of the sealing block 5, first bolts 7 are respectively and threadedly connected to both sides of the top of the sealing block 5, the bottom of each first bolt 7 penetrates through the sealing gasket 6 and extends to the inner cavity of the sealing block 5, a piston rod 8 is disposed in the inner cavity of the cylinder body 3, the top of the piston rod 8 extends to the outside of the sealing block 5 and is fixedly connected to a bearing plate 9, engaging blocks 10 are respectively and fixedly connected to both ends of the bearing plate 9, the inner cavity of the engaging block 10 is movably connected to a bearing plate 11 by a pin, a second bolt 12 is threadedly connected to one, reinforcing rods 13 are fixedly connected to two sides of the top of the oil cylinder base 2, the oil cylinder body 3 can be protected conveniently by arranging the reinforcing rods 13, the service life of the oil cylinder body 3 is prolonged, the top of each reinforcing rod 13 penetrates through the oil cylinder cover 4 and extends to the outside of the oil cylinder cover 4, nuts 14 are connected to the surface of the top of each reinforcing rod 13 in a threaded manner, exhaust holes 15 are formed in the surfaces of the oil cylinder base 2 and the oil cylinder cover 4, fixed blocks 16 are fixedly connected to the bottoms of two sides of the oil cylinder base 2, inner cavities of the fixed blocks 16 are connected with third bolts 17 in a threaded manner, the oil cylinder base 2 can be conveniently fixed to the surface of the bearing base 1 by arranging the fixed blocks 16 and the third bolts 17, the stress area is increased, the bottom of each third bolt 17 penetrates through the fixed blocks 16 and extends to the inner cavity of the bearing base 1, the oil cylinder body 3 comprises a base layer 18, a, the waterproof performance of the oil cylinder body 3 can be improved, the oil cylinder body 3 is not easy to be attached by rainwater, the bottom of the base layer 18 is fixedly connected with an anti-corrosion layer 20, the anti-corrosion performance of the oil cylinder body 3 can be improved by arranging the anti-corrosion layer 20, the oil cylinder body 3 is not easy to be corroded, the base layer 18 is made of stainless steel, a waterproof layer 19 is uniformly coated on the surface of the oil cylinder body 3 by acrylic waterproof paint, the anti-corrosion layer 20 is uniformly coated on the surface of the oil cylinder body 3 by polyurethane paint, and the anti-corrosion layer has the advantages of large stress area and convenience in replacing a sealing gasket by matching the bearing seat 1, the oil cylinder seat 2, the oil cylinder body 3, the oil cylinder cover 4, the sealing block 5, the sealing gasket 6, the first bolt 7, the piston rod 8, the bearing plate 9, the connecting block 10 and the supporting plate 11, the sealing gasket is easy to have a gap after being used for a long time, and the sealing gasket is not replaced, so that micro particles are easy to enter an inner cavity of the hydraulic oil cylinder, and the hydraulic oil cylinder is easy to be damaged.

During the use, through the setting of loading board 9, linking piece 10 and backup pad 11, can increase lifting surface area to increase this hydraulic cylinder's bearing effect, through the setting of first bolt 7, can be convenient for change sealed 6 that fills up, through the setting of waterproof layer 19, can improve the waterproof nature of the hydro-cylinder body 3, make the hydro-cylinder body 3 difficult by the rainwater attached to, through the setting of anti-corrosion coating 20, can improve the corrosion protection nature of the hydro-cylinder body 3, make the hydro-cylinder body 3 difficult by the corruption.

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

1. Hydraulic cylinder, including bearing seat (1), its characterized in that: the oil cylinder is characterized in that an oil cylinder seat (2) is arranged at the top of the bearing seat (1), an oil cylinder body (3) is fixedly connected to the top of the oil cylinder body (2), an oil cylinder cover (4) is fixedly connected to the top of the oil cylinder body (3), a sealing block (5) is fixedly connected to the top of the oil cylinder cover (4), a sealing gasket (6) is arranged at the top of an inner cavity of the sealing block (5), first bolts (7) are respectively and threadedly connected to two sides of the top of the sealing block (5), the bottom of each first bolt (7) penetrates through the sealing gasket (6) and extends to the inner cavity of the sealing block (5), a piston rod (8) is arranged in the inner cavity of the oil cylinder body (3), the top of the piston rod (8) extends to the outer part of the sealing block (5) and is fixedly connected with a bearing plate (9), two ends of the bearing plate (9) are respectively and fixedly connected with a connecting block (10), the inner cavity of, one side of the bottom of the support plate (11) is in threaded connection with a second bolt (12), and the top of the second bolt (12) penetrates through the support plate (11) and extends to the outside of the support plate (11).

2. A hydraulic ram according to claim 1 wherein: the equal fixedly connected with stiffener (13) in both sides at hydro-cylinder seat (2) top, the outside that hydro-cylinder lid (4) were run through and extend to hydro-cylinder lid (4) in the top of stiffener (13), the surperficial threaded connection at stiffener (13) top has nut (14), exhaust hole (15) have all been seted up on the surface of hydro-cylinder seat (2) and hydro-cylinder lid (4).

3. A hydraulic ram according to claim 1 wherein: the bottom of both sides of the oil cylinder seat (2) is fixedly connected with a fixing block (16), the inner cavity of the fixing block (16) is in threaded connection with a third bolt (17), and the bottom of the third bolt (17) penetrates through the fixing block (16) and extends to the inner cavity of the bearing seat (1).

4. A hydraulic ram according to claim 1 wherein: the oil cylinder body (3) comprises a base layer (18), a waterproof layer (19) is fixedly connected to the top of the base layer (18), and an anti-corrosion layer (20) is fixedly connected to the bottom of the base layer (18).

5. A hydraulic ram according to claim 4, wherein: the base layer (18) is made of stainless steel, the waterproof layer (19) is evenly coated on the surface of the oil cylinder body (3) through acrylic waterproof paint, and the anti-corrosion layer (20) is evenly coated on the surface of the oil cylinder body (3) through polyurethane paint.