阅读说明：本技术 一种液压工作油缸 (Hydraulic working oil cylinder ) 是由 周春杨 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种液压工作油缸,包括筒体,所述筒体的内侧壁固定连接有第一板体,所述第一板体的上表面开设有第一通孔且位于所述第一板体的中心处,所述第一板体的上表面粘接有缓冲垫,所述筒体的内部底壁对称固定连接有两个支撑杆,所述支撑杆的一端焊接有导流罩且与所述第一通孔相对设置,所述筒体的内部设有活塞,所述活塞的外侧壁对称开设有两个第一凹槽；通过在筒体的内侧壁粘接陶瓷层,避免密封环与筒体直接接触,活塞推动液压油作用在第一板体上,活塞向下运动挤压缓冲垫,液压油流经第一通孔后,空间变大压力被释放,使得液压油撞击导流罩,使得液压油被分散,作用在筒体内部底壁的压力减小。(The invention discloses a hydraulic working oil cylinder which comprises a cylinder body, wherein the inner side wall of the cylinder body is fixedly connected with a first plate body, the upper surface of the first plate body is provided with a first through hole and is positioned at the center of the first plate body, a cushion pad is bonded on the upper surface of the first plate body, two support rods are symmetrically and fixedly connected with the inner bottom wall of the cylinder body, one end of each support rod is welded with a flow guide cover and is arranged opposite to the first through hole, a piston is arranged in the cylinder body, and two first grooves are symmetrically formed in the outer side wall of the piston; through the inside wall bonding ceramic layer at the barrel, avoid sealing ring and barrel direct contact, the piston promotes hydraulic oil and acts on first plate body, and piston downstream extrusion blotter, hydraulic oil flow through first through-hole after, space grow pressure is released for hydraulic oil striking kuppe, make hydraulic oil dispersed, the pressure of effect in the inside diapire of barrel reduces.)

1. The utility model provides a hydraulic pressure working cylinder, includes barrel (1), its characterized in that: the inner side wall of the barrel body (1) is fixedly connected with a first plate body (2), the upper surface of the first plate body (2) is provided with a first through hole (3) and is positioned at the center of the first plate body (2), a cushion pad (4) is bonded on the upper surface of the first plate body (2), the inner bottom wall of the barrel body (1) is symmetrically and fixedly connected with two support rods (5), one end of each support rod (5) is welded with a flow guide cover (6) and is oppositely arranged with the first through hole (3), a piston (7) is arranged inside the barrel body (1), the outer side wall of the piston (7) is symmetrically provided with two first grooves (8), the inner side wall of each first groove (8) is fixedly connected with a sealing ring (9), the upper surface of the piston (7) is fixedly connected with a first rod body (10), the upper surface of the barrel body (1) is fixedly connected with a cover body (11), second through-hole (12) have been seted up to the upper surface of lid (11), keep away from first body of rod (10) the one end of piston (7) runs through the inside wall of second through-hole (12), the inside wall welding of barrel (1) has guide post (13), the one end of the first body of rod (10) runs through the lower surface of guide post (13) and with guide post (13) sliding connection, the inside wall bonding of barrel (1) has ceramic layer (14), the lateral wall laminating of sealing ring (9) in the inside wall of ceramic layer (14), the lateral wall intercommunication of barrel (1) has body (15) and is located the below of first plate body (2), body (15) are kept away from the one end intercommunication of barrel (1) has casing (17), check valve (16) are installed to the lateral wall of body (15).

2. The hydraulic working cylinder according to claim 1, characterized in that: the lower fixed surface of barrel (1) is connected with fixing base (18), the lower fixed surface of casing (17) connect in the upper surface of fixing base (18).

3. The hydraulic working cylinder according to claim 1, characterized in that: the inner side wall of the second through hole (12) is bonded with a dustproof ring (19), and the first rod body (10) penetrates through the dustproof ring (19) and is in sliding connection with the dustproof ring (19).

4. The hydraulic working cylinder according to claim 1, characterized in that: threaded hole (20) is seted up to the upper surface of the first body of rod (10), the inside of screw hole (20) is equipped with the second body of rod (21), the one end welding of the second body of rod (21) has screw rod (22), the lateral wall of screw rod (22) with the inside wall threaded connection of screw hole (20), the other end welding of the second body of rod (21) has second plate body (23) and is located the top of the first body of rod (10).

5. The hydraulic working cylinder according to claim 4, characterized in that: the inside wall fixedly connected with spacing ring (24) of screw hole (20), the one end of the second body of rod (21) run through the inside wall of spacing ring (24) and with spacing ring (24) sliding connection.

6. The hydraulic working cylinder according to claim 4, characterized in that: the upper surface of the second plate body (23) is uniformly and fixedly connected with anti-skid protrusions (25).

Technical Field

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

Background

The hydraulic cylinder is an important part for the hydraulic machine, plays a role of an actuating element in the whole hydraulic machine, converts hydraulic energy into mechanical energy in the whole process, is widely applied to industrial production because the hydraulic device has the characteristics of low price and convenient use, and is supported by air compression, but is not suitable for supporting and hoisting bulk objects because the air is easy to compress.

The invention is disclosed in China: CN207621110U discloses a hydraulic cylinder, which comprises a cylinder body, a cylinder rod and a guide sleeve, wherein a fixed pipe clamp and a connecting screw seat are arranged on the cylinder body, the fixed pipe clamp is fixed on the cylinder body through a limit nut, which solves the defects of complex processing technique, high cost and easy deformation of welding parts of the traditional hydraulic cylinder in the prior art, however, when the device is used, the sealing ring is in direct contact with the cylinder body, which easily causes serious abrasion of the cylinder body, and further reduces the service life of the device, because the supported object has large mass, the oil pressure in the cylinder is large, when the heavy object pushes the cylinder rod to return, the hydraulic oil fully acts on the bottom of the cylinder, not only easily causes the damage of the cylinder, but also easily causes the oil leakage at the sealing part of the valve, and further causes the damage of the device, therefore, the hydraulic working cylinder is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hydraulic working oil cylinder.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic working oil cylinder comprises a cylinder body, wherein a first plate body is fixedly connected to the inner side wall of the cylinder body, a first through hole is formed in the upper surface of the first plate body and is located at the center of the first plate body, a cushion pad is bonded to the upper surface of the first plate body, two support rods are symmetrically and fixedly connected to the inner bottom wall of the cylinder body, a guide cover is welded to one end of each support rod and is arranged opposite to the first through hole, a piston is arranged inside the cylinder body, two first grooves are symmetrically formed in the outer side wall of the piston, a sealing ring is fixedly connected to the inner side wall of each first groove, a first rod body is fixedly connected to the upper surface of the piston, a cover body is fixedly connected to the upper surface of the cylinder body, a second through hole is formed in the upper surface of the cover body, and one end, far away from the piston, of each first rod body penetrates through the inner side wall of the second through hole, the utility model discloses a sealing device for a ceramic plate, including the barrel, the inside wall welding of barrel has the guide post, the one end of the first body of rod runs through the lower surface of guide post and with guide post sliding connection, the inside wall bonding of barrel has the ceramic layer, the lateral wall laminating of sealing ring in the inside wall of ceramic layer, the lateral wall intercommunication of barrel has the body and is located the below of first plate body, the body is kept away from the one end intercommunication of barrel has the casing, the check valve is installed to the lateral wall of body.

Preferably, the lower surface of the barrel is fixedly connected with a fixed seat, and the lower surface of the shell is fixedly connected with the upper surface of the fixed seat.

Preferably, the inner side wall of the second through hole is bonded with a dustproof ring, and the first rod body penetrates through the dustproof ring and is in sliding connection with the dustproof ring.

Preferably, a threaded hole is formed in the upper surface of the first rod body, a second rod body is arranged inside the threaded hole, a screw rod is welded at one end of the second rod body, the outer side wall of the screw rod is in threaded connection with the inner side wall of the threaded hole, and a second plate body is welded at the other end of the second rod body and located above the first rod body.

Preferably, the inner side wall of the threaded hole is fixedly connected with a limiting ring, and one end of the second rod body penetrates through the inner side wall of the limiting ring and is in sliding connection with the limiting ring.

Preferably, the upper surface of the second plate body is uniformly and fixedly connected with anti-skid protrusions.

(III) advantageous effects

Compared with the prior art, the invention provides a hydraulic working oil cylinder, which has the following beneficial effects:

through the inside wall bonding ceramic layer at the barrel, avoid sealing ring and barrel direct contact, the piston promotes hydraulic oil and acts on first plate body, piston downstream extrusion blotter, avoid piston striking first plate body, hydraulic oil flows through behind the first through-hole, space grow pressure is released, hydraulic oil striking kuppe, make hydraulic oil dispersed, and then the pressure of being used in the inside diapire of barrel reduces, sealing ring and cylinder body direct contact have been solved, it is serious to lead to the cylinder body wearing and tearing easily, and then make the device life reduce, because the object quality of support is great, so the oil pressure is great in the jar, the heavy object is when promoting the hydro-cylinder thick stick return stroke, hydraulic oil will do all to act on the hydro-cylinder bottom with power, not only lead to the hydro-cylinder damage easily, but also make valve seal department oil leak easily, and then lead to the problem that the device damaged.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a top view of the connecting structure of the cushion pad and the first plate.

In the figure: 1. a barrel; 2. a first plate body; 3. a first through hole; 4. a cushion pad; 5. a support bar; 6. a pod; 7. a piston; 8. a first groove; 9. a seal ring; 10. a first rod body; 11. a cover body; 12. a second through hole; 13. a guide post; 14. a ceramic layer; 15. a pipe body; 16. a one-way valve; 17. a housing; 18. a fixed seat; 19. a dust ring; 20. a threaded hole; 21. a second rod body; 22. a screw; 23. a second plate body; 24. a limiting ring; 25. and (4) anti-skid bulges.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a hydraulic working oil cylinder comprises a cylinder body 1, wherein a first plate body 2 is fixedly connected to the inner side wall of the cylinder body 1, a first through hole 3 is formed in the upper surface of the first plate body 2 and is positioned at the center of the first plate body 2, a cushion pad 4 is bonded to the upper surface of the first plate body 2, two support rods 5 are symmetrically and fixedly connected to the inner bottom wall of the cylinder body 1, a flow guide cover 6 is welded at one end of each support rod 5 and is arranged opposite to the first through hole 3, a piston 7 is arranged in the cylinder body 1, two first grooves 8 are symmetrically formed in the outer side wall of the piston 7, a sealing ring 9 is fixedly connected to the inner side wall of each first groove 8, a first rod body 10 is fixedly connected to the upper surface of the piston 7, a cover body 11 is fixedly connected to the upper surface of the cylinder body 1, a second through hole 12 is formed in the upper surface of the cover body 11, one end, far away from the piston 7, of the first rod body 10 penetrates through the inner side wall of the second through hole 12, and a guide column 13 is welded to the cylinder body 1, the lower surface that guide post 13 was run through to the one end of the first body of rod 10 and with guide post 13 sliding connection, the inside wall of barrel 1 bonds and has ceramic layer 14, and the lateral wall of sealing ring 9 is laminated in the inside wall of ceramic layer 14, and the lateral wall intercommunication of barrel 1 has body 15 and is located the below of first plate body 2, and the one end intercommunication that barrel 1 was kept away from to body 15 has casing 17, and check valve 16 is installed to the lateral wall of body 15.

In this embodiment, specifically: the lower surface of the cylinder 1 is fixedly connected with a fixed seat 18, and the lower surface of the shell 17 is fixedly connected with the upper surface of the fixed seat 18; the arrangement of the fixing seat 18 can increase the contact area between the device and the ground when the device is used, and further increase the stability of the device.

In this embodiment, specifically: a dust ring 19 is bonded on the inner side wall of the second through hole 12, and the first rod body 10 penetrates through the dust ring 19 and is connected with the dust ring 19 in a sliding manner; the dust ring 19 is arranged to prevent dust from entering the interior of the cylinder 1, thereby causing internal pollution and affecting the sliding between the sealing ring 9 and the ceramic layer 14.

In this embodiment, specifically: a threaded hole 20 is formed in the upper surface of the first rod body 10, a second rod body 21 is arranged inside the threaded hole 20, a screw 22 is welded at one end of the second rod body 21, the outer side wall of the screw 22 is in threaded connection with the inner side wall of the threaded hole 20, and a second plate 23 is welded at the other end of the second rod body 21 and is located above the first rod body 10; set up the second body of rod 21 and can make the high grow that this device can support, and then increased the application scope of this device, set up screw rod 22 and screw hole 20, threaded connection has played the supporting role between the two, sets up the second plate body 23 and can increase the second body of rod 21 and supported object's area of contact, and then increases the stability of this device.

In this embodiment, specifically: the inner side wall of the threaded hole 20 is fixedly connected with a limiting ring 24, and one end of the second rod body 21 penetrates through the inner side wall of the limiting ring 24 and is in sliding connection with the limiting ring 24; the limiting ring 24 is arranged to prevent the second rod 21 from being separated from the limit of the threaded hole 20 when the height of the second rod is adjusted.

In this embodiment, specifically: the upper surface of the second plate body 23 is uniformly and fixedly connected with anti-skid protrusions 25; the anti-slip protrusions 25 can increase the friction between the second plate 23 and the supported object when the device is used, so as to ensure the stability when the device is used.

In summary, the working principle and working process of the hydraulic working cylinder are that, in the present invention, hydraulic oil is stored in the casing 17, and the hydraulic oil is pushed into the cylinder 1 through an external mechanical device, when in use, firstly, the distance between the object to be lifted and the ground is observed, the device is placed below the object to be lifted, so that the fixing seat 18 is in a horizontal state, thereby avoiding the risk of the device overturning during lifting, the second plate 23 is rotated, the second plate 23 drives the second rod 21 to rotate, the second rod 21 drives the screw 22 to rotate, the screw 22 is in threaded connection with the threaded hole 20, so that the second plate 23 is lifted, when the second plate 23 is close to the lower surface of the object to be lifted, the second rod 21 stops rotating, the limiting ring 24 can prevent the second rod 21 from being limited by the threaded hole 20, and the hydraulic oil in the casing 17 enters the cylinder 1 through the pipe body 15 by using the external mechanical device, the check valve 16 can avoid the hydraulic oil backward flow, hydraulic oil promotes piston 7 upward movement through first through-hole 3, the cavity that forms between piston ring 7 and the barrel 1 can be guaranteed to sealing ring 9 is airtight, the skew takes place when the guide post 13 can avoid the first body of rod 10 to move, treat the back that finishes using, can rotate check valve 16, make hydraulic oil can get back to the inside of casing 17, because the quality of lifting the object is great, so the power that the first body of rod 10 acts on hydraulic oil is also very big, first plate body 2 can support partly power, the space grow behind the first through-hole 3 is flowed through to hydraulic oil, strike kuppe 6 behind the partial pressure of letting out, avoid its direct action in the bottom of barrel 1, and then also avoided leading to check valve 16 to damage or the oil leak because of pressure is too big, and then prolonged the life of this device.

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.