阅读说明：本技术 平衡油缸 (Balance oil cylinder ) 是由 何迪彬 于 2019-11-29 设计创作，主要内容包括：本发明公开了平衡油缸,包括缸体,所述缸体的内部活动连接有密封块,所述密封块的顶部延伸至缸体的外部,所述密封块内腔的两侧均固定连接有第一弹簧,所述第一弹簧的另一侧固定连接有卡块,所述卡块的另一侧依次贯穿密封块和缸体并延伸至缸体的内部,所述卡块的内部开设有凹槽,所述凹槽的内部活动连接有固定套。本发明通过设置第一弹簧、卡块、凹槽、固定套和第一螺帽,便于对密封块和缸体进行固定,通过设置第一密封圈、第三螺帽、固定块、第二密封圈、耐磨圈和第三密封圈,提高了平衡油缸的密封性,使平衡油缸便于使用,平衡油缸密封性强,提高了使用安全性,且平衡油缸便于拆装,有利于人们的使用。(The invention discloses a balance oil cylinder which comprises a cylinder body, wherein a sealing block is movably connected inside the cylinder body, the top of the sealing block extends to the outside of the cylinder body, first springs are fixedly connected to two sides of an inner cavity of the sealing block, a clamping block is fixedly connected to the other side of the first spring, the other side of the clamping block sequentially penetrates through the sealing block and the cylinder body and extends to the inside of the cylinder body, a groove is formed in the clamping block, and a fixing sleeve is movably connected inside the groove. The balance oil cylinder is convenient to fix the sealing block and the cylinder body by arranging the first spring, the clamping block, the groove, the fixing sleeve and the first nut, improves the sealing property of the balance oil cylinder by arranging the first sealing ring, the third nut, the fixing block, the second sealing ring, the wear-resisting ring and the third sealing ring, is convenient to use, has strong sealing property, improves the use safety, is convenient to disassemble and assemble, and is beneficial to use of people.)

1. Balance cylinder, including cylinder body (1), its characterized in that: the inside swing joint of cylinder body (1) has sealed piece (2), the top of sealed piece (2) extends to the outside of cylinder body (1), the equal fixedly connected with first spring (3) in both sides of sealed piece (2) inner chamber, the opposite side fixedly connected with fixture block (4) of first spring (3), the opposite side of fixture block (4) runs through sealed piece (2) and cylinder body (1) in proper order and extends to the inside of cylinder body (1), the inside of fixture block (4) is seted up flutedly (5), the inside swing joint of recess (5) has fixed cover (6), the inner wall of fixed cover (6) and the surface swing joint of sealed piece (2), the surface of fixed cover (6) and the inner wall swing joint of cylinder body (1), the top swing joint of cylinder body (1) has first nut (7), the top of first nut (7) inner chamber and the top swing joint of fixed cover (6), the inner wall of first nut (7) and the surperficial threaded connection of sealed piece (2), the inside swing joint of sealed piece (2) has piston rod (8), the top of piston rod (8) runs through sealed piece (2) and extends to the outside of sealed piece (2), the bottom of piston rod (8) runs through sealed piece (2) and cylinder body (1) in proper order and extends to the inside fixedly connected with dead lever (9) of cylinder body (1), the bottom swing joint of sealed piece (2) inner chamber has first sealing washer (10), the top swing joint of first sealing washer (10) has third nut (11) that is located piston rod (8) surface, the surface of third nut (11) and the inner wall threaded connection of sealed piece (2), the fixed surface of piston rod (8) is connected with fixed block (12), the inner wall of fixed block (12) and the inner wall swing joint of sealed piece (2), the surface cover of piston rod (8) is equipped with second spring (13), the top and the bottom of second spring (13) respectively with the bottom of fixed block (12) and the top fixed connection of sealed piece (2) inner chamber, the surface cover of dead lever (9) is equipped with piston (14), the surface of piston (14) and the inner wall swing joint of cylinder body (1), the top of piston (14) and the bottom swing joint of piston rod (8), the surface cover of dead lever (9) is equipped with packing ring (15), the surface threaded connection of dead lever (9) has second nut (16), the top and the bottom of packing ring (15) respectively with the bottom of piston (14) and the top swing joint of second nut (16), the surface cover of dead lever (9) is equipped with third spring (17), the inside swing joint of cylinder body (1) has bottom (26), the bottom of third spring (17) and the bottom swing joint of bottom (26) inner chamber, the top and the bottom on cylinder body (1) right side are fixedly connected with oil inlet (18) and oil-out (19) respectively, the surface cover of dead lever (9) is equipped with second sealing washer (20), the surface of second sealing washer (20) and the inner wall swing joint of piston (14), the surface of piston (14) is equipped with third sealing washer (21) and wear-resisting circle (22) respectively, the quantity of third sealing washer (21) is two, the surface of third sealing washer (21) and wear-resisting circle (22) all with the inner wall swing joint of cylinder body (1).

2. The balance cylinder of claim 1, wherein: the surface cover of sealed piece (2) is equipped with fourth sealing washer (23), the surface of fourth sealing washer (23) and the inner wall swing joint of cylinder body (1).

3. The balance cylinder of claim 1, wherein: the surface cover of piston rod (8) is equipped with connecting plate (24), the bottom fixedly connected with swivel nut (25) of connecting plate (24), the inner wall of swivel nut (25) and the surface threaded connection of piston rod (8).

4. The balance cylinder of claim 1, wherein: the equal fixedly connected with retaining ring (27) in both sides of bottom (26), the top of retaining ring (27) and the top swing joint of cylinder body (1) inner chamber, the equal threaded connection in both sides of cylinder body (1) inside has bolt (28), the bottom of bolt (28) runs through cylinder body (1) and retaining ring (27) in proper order and extends to the outside of retaining ring (27).

5. The balance cylinder of claim 4, wherein: the bottom of the bottom cover (26) penetrates through the cylinder body (1) and extends to the outside of the cylinder body (1) to be fixedly connected with a base (29), and a through hole is formed in the surface of the base (29).

Technical Field

The invention relates to the technical field of oil cylinders, in particular to a balance oil cylinder.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion, has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being 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.

Along with economic development, the living standard of people is continuously improved, people have higher and higher requirements on the safety and the accuracy of auxiliary tools for vehicle maintenance, correspondingly, the requirements on the mechanical performance of the auxiliary tools and the accuracy of a hydraulic system are higher and higher, the auxiliary tools for vehicle maintenance always have the problem that main and auxiliary frames are asynchronous in the process of lifting vehicles, the phenomenon is obvious particularly when the frames bear loads, at present, balancing is carried out by adopting a balancing oil cylinder, the common balancing oil cylinder is fixed in structure, poor in sealing performance and inconvenient to disassemble and assemble, and the use of people is not facilitated.

Disclosure of Invention

The invention aims to provide a balance oil cylinder which has the advantage of convenience in use and solves the problem of inconvenience in use of the balance oil cylinder.

In order to achieve the purpose, the invention provides the following technical scheme: the balance oil cylinder comprises a cylinder body, wherein a sealing block is movably connected inside the cylinder body, the top of the sealing block extends to the outside of the cylinder body, first springs are fixedly connected to the two sides of an inner cavity of the sealing block, a clamping block is fixedly connected to the other side of the first spring, the other side of the clamping block sequentially penetrates through the sealing block and the cylinder body and extends to the inside of the cylinder body, a groove is formed in the clamping block, a fixing sleeve is movably connected inside the groove, the inner wall of the fixing sleeve is movably connected with the surface of the sealing block, the surface of the fixing sleeve is movably connected with the inner wall of the cylinder body, a first nut is movably connected to the top of the cylinder body, the top of an inner cavity of the first nut is movably connected with the top of the fixing sleeve, the inner wall of the first nut is connected with the surface of the sealing block in a threaded manner, a piston rod is movably connected inside the sealing block, the bottom of the piston rod penetrates through the sealing block and the cylinder body in sequence and extends to the inside fixedly connected with fixed rod of the cylinder body, the bottom of the inner cavity of the sealing block is movably connected with a first sealing ring, the top of the first sealing ring is movably connected with a third nut positioned on the surface of the piston rod, the surface of the third nut is in threaded connection with the inner wall of the sealing block, the surface of the piston rod is fixedly connected with a fixed block, the inner wall of the fixed block is movably connected with the inner wall of the sealing block, the surface of the piston rod is sleeved with a second spring, the top and the bottom of the second spring are respectively fixedly connected with the bottom of the fixed block and the top of the inner cavity of the sealing block, the surface of the fixed rod is sleeved with a piston, the surface of the piston is movably connected with the inner wall of the cylinder body, the utility model discloses a cylinder body, including the cylinder body, the surface of dead lever, the bottom of piston, the bottom of cylinder body, the surface of dead lever is equipped with the second nut, the top and the bottom of packing ring respectively with the bottom of piston and the top swing joint of second nut, the surface cover of dead lever is equipped with the third spring, the inside swing joint of cylinder body has the bottom, the bottom of third spring and the bottom swing joint of bottom inner chamber, the top and the bottom on cylinder body right side are fixedly connected with oil inlet and oil-out respectively, the surface cover of dead lever is equipped with the second sealing washer, the surface of second sealing washer and the inner wall swing joint of piston, the surface of piston is equipped with third sealing washer and wear-resisting circle respectively, the quantity of third sealing washer is two, the surface of third sealing.

Preferably, the surface cover of sealed piece is equipped with the fourth sealing washer, the surface of fourth sealing washer and the inner wall swing joint of cylinder body.

Preferably, the surface of the piston rod is sleeved with a connecting plate, the bottom of the connecting plate is fixedly connected with a threaded sleeve, and the inner wall of the threaded sleeve is in threaded connection with the surface of the piston rod.

Preferably, the two sides of the bottom cover are fixedly connected with check rings, the tops of the check rings are movably connected with the top of the inner cavity of the cylinder body, the two sides of the interior of the cylinder body are in threaded connection with bolts, and the bottom ends of the bolts penetrate through the cylinder body and the check rings in sequence and extend to the outer portions of the check rings.

Preferably, the bottom of the bottom cover penetrates through the cylinder body and extends to the outside of the cylinder body to be fixedly connected with a base, and a through hole is formed in the surface of the base.

Compared with the prior art, the invention has the following beneficial effects:

1. the balance oil cylinder is convenient to fix the sealing block and the cylinder body by arranging the first spring, the clamping block, the groove, the fixing sleeve and the first nut, improves the sealing property of the balance oil cylinder by arranging the first sealing ring, the third nut, the fixing block, the second sealing ring, the wear-resisting ring and the third sealing ring, is convenient to use, has strong sealing property, improves the use safety, is convenient to disassemble and assemble, and is beneficial to use of people.

2. According to the invention, the fourth sealing ring is arranged, so that the sealing block and the cylinder body are high in connection tightness, the connecting plate and the threaded sleeve are arranged, the connecting plate is convenient to install, the connecting part of the bottom cover and the cylinder body is convenient to seal by arranging the check ring bolt, and the balance oil cylinder is convenient to install by arranging the base.

Drawings

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

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

FIG. 3 is a bottom view of the bottom cover of the present invention;

fig. 4 is a side view of the structure of the present invention.

In the figure: 1. a cylinder body; 2. a sealing block; 3. a first spring; 4. a clamping block; 5. a groove; 6. fixing a sleeve; 7. a first nut; 8. a piston rod; 9. fixing the rod; 10. a first seal ring; 11. a third nut; 12. a fixed block; 13. a second spring; 14. a piston; 15. a gasket; 16. a second nut; 17. a third spring; 18. an oil inlet; 19. an oil outlet; 20. a second seal ring; 21. a third seal ring; 22. wear-resistant rings; 23. a fourth seal ring; 24. a connecting plate; 25. a threaded sleeve; 26. a bottom cover; 27. a retainer ring; 28. a bolt; 29. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the balancing cylinder includes a cylinder body 1, a sealing block 2 is movably connected inside the cylinder body 1, a fourth sealing ring 23 is sleeved on the surface of the sealing block 2, the surface of the fourth sealing ring 23 is movably connected with the inner wall of the cylinder body 1, the sealing block 2 is connected with the cylinder body 1 with strong sealing performance by arranging the fourth sealing ring 23, the top of the sealing block 2 extends to the outside of the cylinder body 1, a first spring 3 is fixedly connected to both sides of the inner cavity of the sealing block 2, a fixture block 4 is fixedly connected to the other side of the first spring 3, the other side of the fixture block 4 sequentially penetrates through the sealing block 2 and the cylinder body 1 and extends to the inside of the cylinder body 1, a groove 5 is formed inside the fixture block 4, a fixing sleeve 6 is movably connected inside the groove 5, the inner wall of the fixing sleeve 6 is movably connected with the surface of the sealing block 2, the surface of the fixing sleeve 6 is movably connected, the top of the inner cavity of the first nut 7 is movably connected with the top of the fixed sleeve 6, the inner wall of the first nut 7 is in threaded connection with the surface of the sealing block 2, the inside of the sealing block 2 is movably connected with a piston rod 8, the surface of the piston rod 8 is sleeved with a connecting plate 24, the bottom of the connecting plate 24 is fixedly connected with a threaded sleeve 25, the inner wall of the threaded sleeve 25 is in threaded connection with the surface of the piston rod 8, the connecting plate 24 is convenient to mount by arranging the connecting plate 24 and the threaded sleeve 25, the top end of the piston rod 8 penetrates through the sealing block 2 and extends to the outside of the sealing block 2, the bottom end of the piston rod 8 sequentially penetrates through the sealing block 2 and the cylinder body 1 and extends to the inside of the cylinder body 1 to be fixedly connected with a fixing rod 9, the bottom of the inner cavity of the sealing block 2 is movably connected with a first sealing ring 10, the top of the first sealing ring, the surface of the piston rod 8 is fixedly connected with a fixed block 12, the inner wall of the fixed block 12 is movably connected with the inner wall of the sealing block 2, the surface of the piston rod 8 is sleeved with a second spring 13, the top and the bottom of the second spring 13 are respectively fixedly connected with the bottom of the fixed block 12 and the top of the inner cavity of the sealing block 2, the surface of the fixed rod 9 is sleeved with a piston 14, the surface of the piston 14 is movably connected with the inner wall of the cylinder body 1, the top of the piston 14 is movably connected with the bottom of the piston rod 8, the surface of the fixed rod 9 is sleeved with a gasket 15, the surface of the fixed rod 9 is in threaded connection with a second nut 16, the top and the bottom of the gasket 15 are respectively movably connected with the bottom of the piston 14 and the top of the second nut 16, the surface of the fixed rod 9 is sleeved with a third spring 17, the inner part of the cylinder body 1 is, the two sides inside the cylinder body 1 are respectively in threaded connection with a bolt 28, the bottom end of the bolt 28 sequentially penetrates through the cylinder body 1 and the check ring 27 and extends to the outside of the check ring 27, the joint of the bottom cover 26 and the cylinder body 1 is convenient to seal by arranging the check ring 27 and the bolt 28, the bottom of the bottom cover 26 penetrates through the cylinder body 1 and extends to the outside of the cylinder body 1 and is fixedly connected with a base 29, the surface of the base 29 is provided with a through hole, the balance oil cylinder is convenient to install by arranging the base 29, the bottom of the third spring 17 is movably connected with the bottom of the inner cavity of the bottom cover 26, the top and the bottom on the right side of the cylinder body 1 are respectively and fixedly connected with an oil inlet 18 and an oil outlet 19, the surface of the fixed rod 9 is sleeved with a second sealing ring 20, the surface of the second sealing ring 20 is movably connected with the inner, the surface of third sealing washer 21 and wear-resisting circle 22 all with the inner wall swing joint of cylinder body 1, through setting up first spring 3, fixture block 4, recess 5, fixed cover 6 and first nut 7, be convenient for fix sealed piece 2 and cylinder body 1, through setting up first sealing washer 10, third nut 11, fixed block 12, second sealing washer 20, wear-resisting circle 22 and third sealing washer 21, the leakproofness of balanced hydro-cylinder has been improved, make balanced hydro-cylinder convenient to use, balanced hydro-cylinder leakproofness is strong, the safety in utilization has been improved, and balanced hydro-cylinder dismouting of being convenient for, be favorable to people's use.

When the balance oil cylinder is used, the sealing block 2 is placed into the cylinder body 1, the clamping block 4 in the sealing block 2 enters the cylinder body 1 under the action of the first spring 3, the sealing block 2 is connected with the cylinder body 1, the first screw cap 7 is screwed down, the first screw cap 7 is connected and fixed with the sealing block 2, the first screw cap 7 enables the fixing sleeve 6 to enter the groove 5 on the clamping block 4, the position of the clamping block 4 is fixed, the third spring 17 is placed into the bottom cover 26, the bottom cover 26 is placed into the cylinder body 1, the check ring 27 is connected and fixed with the cylinder body 1 through the bolt 28, the installation of the bottom cover 26 is completed, the connection position of the piston rod 8 and the sealing block 2 is sealed through the first sealing ring 10, the connection position of the fixed rod 9 and the piston 14 is sealed through the second sealing ring 20, the connection position of the piston 14 and the cylinder body 1 is sealed through the third sealing ring 21, and the balance oil cylinder is convenient to use, the balance oil cylinder has strong sealing performance, improves the use safety, is convenient to disassemble and assemble, and is favorable for people to 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.