Hydraulic pushing oil cylinder

Abstract

The utility model belongs to the field of hydraulic oil cylinders, and particularly relates to a hydraulic pushing oil cylinder which comprises a base, the outer side of the base is fixedly connected with a plurality of evenly-distributed installation bases, installation holes are formed in the installation bases, and an oil cylinder body is fixedly installed at the top of the base. The upper end of the output end of the oil cylinder body is fixedly connected with a top plate, the lower end of the top plate is fixedly connected with two symmetrically-distributed supporting rods, the outer sides of the supporting rods are slidably sleeved with supporting sleeves, and the supporting sleeves are fixedly connected with the base. Through the design of the oil cylinder body, the output end of the oil cylinder body can drive the top plate to move to achieve the pushing function, through the effects of the protection pad and the protruding block, the top plate can be protected by making contact with the outside in the pushing process, damage to the top plate is reduced, the protection pad can be conveniently detached, and the protection pad is convenient to disassemble. And the protection pad can be conveniently replaced and used after being damaged.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder technology, specifically a hydraulic jacking cylinder. Background Technology

[0002] A hydraulic cylinder is a device that uses hydraulic pressure to generate linear motion or linear force. It consists of components such as a cylinder barrel, piston, piston rod, seals, and inlet / outlet ports. The hydraulic cylinder uses the pressure of hydraulic fluid to drive the piston, thereby achieving the linear motion of the workpiece or applying a linear force.

[0003] Utility model patent CN214935652U discloses a hydraulic lifting cylinder, including a hydraulic cylinder barrel, a piston rod slidably connected to the hydraulic cylinder barrel, a top plate fixedly connected to the top of the piston rod, a sleeve fixedly connected to the outer wall of the hydraulic cylinder barrel, a sliding sleeve fixedly connected to the lower surface of the top plate, and the sliding sleeve located on the outer wall of the sleeve. A fixing ring that slides against the sleeve is fixedly connected to the bottom end of the sliding sleeve, and a fastening screw is threaded onto the fixing ring, with the fastening screw passing transversely through the fixing ring. Several locking holes for engaging with the fastening screw are provided on the outer wall of the sleeve, and a support mechanism is fixedly connected to the lower surface of the hydraulic cylinder barrel. This utility model can effectively support and fix the piston rod, avoiding the situation where the piston rod falls due to damage to the hydraulic lifting cylinder, improving safety and practicality. At the same time, it makes the piston rod bear force evenly, avoiding the reduction of the service life of the hydraulic lifting cylinder due to uneven force. It has a simple structure and is easy to operate.

[0004] In the aforementioned existing technology, the hydraulic cylinder requires the use of fastening screws to limit and lock the top plate, necessitating manual operation, which is both labor-intensive and inconvenient. Therefore, improvements are needed. Utility Model Content

[0005] The purpose of this utility model is to provide a hydraulic jacking cylinder that solves the problem of inconvenience in limiting and locking the top plate.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic jacking cylinder, including a base, with multiple evenly distributed mounting seats fixedly connected to the outer side of the base, mounting holes provided inside the mounting seats, a cylinder body fixedly installed on the top of the base, a top plate fixedly connected to the upper end of the output end of the cylinder body, two symmetrically distributed support rods fixedly connected to the lower end of the top plate, a support sleeve slidably sleeved on the outer side of the support rods, the support sleeve being fixedly connected to the base, a support mechanism provided on the top plate, and a limit mechanism provided on the support sleeve.

[0007] Preferably, the support mechanism includes a protective pad, which is slidably fitted inside the top plate. Multiple evenly distributed protrusions are fixedly connected to the top of the protective pad. Both the protrusions and the protective pad are made of rubber. A connecting groove is formed inside the top plate, and a connecting block is slidably fitted inside the connecting groove. The connecting block is fixedly connected to the protective pad, and a locking block is fixedly connected to the outside of the connecting block, engaging with the top plate. By designing this support mechanism, the top plate can be supported and protected.

[0008] Preferably, the top plate has a slot inside, and a locking block is engaged inside the slot. By designing the slot and the locking block to engage, the pad can be fixed in place.

[0009] Preferably, the connecting block and the locking block are an integral structure, and both the connecting block and the locking block are made of rubber. The locking block is designed so that it can deform under pressure.

[0010] Preferably, the limiting mechanism includes a groove. The support sleeve has a groove inside, and a retaining ball is movably fitted inside the groove. A connecting seat is movably fitted outside the retaining ball, and the connecting seat is slidably connected to the support sleeve. The connecting seat is fixedly connected to the support rod. A slider is movably fitted outside the retaining ball, and the slider is slidably connected to the connecting seat. A spring is fixedly connected to the outside of the slider, and the spring is fixedly connected to the connecting seat. A guide rod is slidably fitted inside the slider, and the guide rod is fixedly connected to the connecting seat. A spring is provided on the outside of the guide rod. By designing this limiting mechanism, the support rod and the top plate can be limited.

[0011] Preferably, there are multiple grooves, which are evenly distributed inside the support sleeve. By designing multiple grooves, the ball can roll into the grooves at different positions.

[0012] Preferably, one end of the spring is fixedly connected to the slider, and the other end of the spring is fixedly connected to the connecting seat. The spring is designed so that its force can be applied to the slider.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model designs the function of the cylinder body. The output end of the cylinder body can drive the top plate to move to achieve the pushing function. Through the action of the protective pad and the protrusion, it comes into contact with the outside during the pushing process, which can protect the top plate and reduce damage to the top plate. In addition, the protective pad can be easily disassembled and replaced after it is damaged.

[0015] 2. This utility model, through the design of a sliding connection between the support rod and the support sleeve, can guide the movement of the top plate, improve the stability of the top plate movement, and when the support rod moves, it can also drive the connecting seat and the locking ball to move. When the cylinder body stops working, the locking ball will insert into the groove, which can automatically limit the position of the support rod and the top plate to avoid the danger of the top plate falling. Even if the support force of the top plate is insufficient, the elasticity of the spring can buffer the fall of the top plate to avoid danger, thus improving the safety of the cylinder. Attached Figure Description

[0016] Figure 1 This is a perspective view of the overall structure of this utility model;

[0017] Figure 2 This utility model Figure 1 A partial three-dimensional sectional view of the structure;

[0018] Figure 3 This utility model Figure 2 Right sectional view of the pad;

[0019] Figure 4 This utility model Figure 2 Enlarged view of point A.

[0020] In the diagram: 1. Base; 2. Mounting seat; 3. Mounting hole; 4. Cylinder body; 5. Top plate; 6. Support rod; 7. Support sleeve; 8. Support mechanism; 9. Limiting mechanism; 81. Protective pad; 82. Protrusion; 83. Connecting groove; 84. Connecting block; 85. Locking block; 86. Locking slot; 91. Groove; 92. Locking ball; 93. Connecting seat; 94. Slider; 95. Spring block; 96. Guide rod; 97. Spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 , Figure 2A hydraulic jacking cylinder includes a base 1, with multiple evenly distributed mounting seats 2 fixedly connected to the outer side of the base 1. The mounting seats 2 have mounting holes 3 inside. A cylinder body 4 is fixedly installed on the top of the base 1. A top plate 5 is fixedly connected to the upper end of the output end of the cylinder body 4. Two symmetrically distributed support rods 6 are fixedly connected to the lower end of the top plate 5. Support sleeves 7 are slidably sleeved on the outer side of the support rods 6. The support sleeves 7 are fixedly connected to the base 1. A support mechanism 8 is provided on the top plate 5, and a limit mechanism 9 is provided on the support sleeves 7.

[0023] Please see Figure 1 , Figure 2 , Figure 3 The support mechanism 8 includes a protective pad 81. The protective pad 81 is slidably fitted inside the top plate 5. Multiple evenly distributed protrusions 82 are fixedly connected to the top of the protective pad 81. Both the protrusions 82 and the protective pad 81 are made of rubber. A connecting groove 83 is opened inside the top plate 5. A connecting block 84 is slidably fitted inside the connecting groove 83. The connecting block 84 is fixedly connected to the protective pad 81. A locking block 85 is fixedly connected to the outside of the connecting block 84. The connecting block 84 and the locking block 85 are an integral structure. Both the connecting block 84 and the locking block 85 are made of rubber. By designing the locking block 85, it can deform under pressure and engage with the top plate 5. A slot 86 is opened inside the top plate 5. The locking block 85 is engaged inside the slot 86. By designing the slot 86 and the locking block 85, the protective pad 81 can be fixed. By designing the support mechanism 8, the top plate 5 can be supported and protected.

[0024] Please see Figure 1 , Figure 2 , Figure 4 The limiting mechanism 9 includes a groove 91. A groove 91 is formed inside the support sleeve 7. A retaining ball 92 is movably fitted inside the groove 91. There are multiple grooves 91, evenly distributed inside the support sleeve 7. By designing multiple grooves 91, the retaining ball 92 can roll into different positions within the grooves 91. A connecting seat 93 is movably fitted outside the retaining ball 92. The connecting seat 93 is slidably connected to the support sleeve 7 and fixedly connected to the support rod 6. A slider 94 is movably fitted outside the retaining ball 92. The slider 94 is slidably connected to the connecting seat 93. A spring block 95 is fixedly connected to the outside of the slider 94. The spring block 95 is fixedly connected to the connecting seat 93. A guide rod 96 is slidably sleeved inside the slider 94. The guide rod 96 is fixedly connected to the connecting seat 93. A spring 97 is provided on the outside of the guide rod 96. One end of the spring 97 is fixedly connected to the slider 94, and the other end of the spring 97 is fixedly connected to the connecting seat 93. By designing the spring 97, the force of the spring 97 can be applied to the slider 94. By designing the limiting mechanism 9, the support rod 6 and the top plate 5 can be limited.

[0025] The specific implementation process of this utility model is as follows: In use, the output end of the cylinder body 4 can drive the top plate 5 to move upward to achieve the pushing function. Through the action of the protective pad 81 and the protrusion 82, it comes into contact with the outside during the pushing process, which can protect the top plate 5 and reduce the damage to the top plate 5. When it is necessary to disassemble the protective pad 81, the protective pad 81 is pushed upward directly. The protective pad 81 can drive the connecting block 84 to move. The connecting block 84 will drive the locking block 85 to move. The locking block 85 will be squeezed and deformed and squeezed out from the inside of the locking groove 86. Then the connecting block 84 can be pulled out from the inside of the top plate 5, so that the protective pad 81 can be easily disassembled. After the protective pad 81 is damaged, it can also be easily replaced.

[0026] During the movement of the top plate 5, the top plate 5 will drive the support rod 6 to slide along the support sleeve 7. The support rod 6 will drive the connecting seat 93 to move. The connecting seat 93 will drive the locking ball 92 to move. The locking ball 92 will roll along the arc surface of the groove 91. The locking ball 92 will be squeezed and pushed to move horizontally. The locking ball 92 will drive the slider 94 to move horizontally. The slider 94 will squeeze the spring block 95. At the same time, the slider 94 will slide along the guide rod 96 to squeeze the spring 97, which can separate the locking ball 92 from the groove 91. As the connecting seat 93 moves, the elastic action of the spring 97 and the spring block 95 will give the slider 94 a counter-push force, which can push the locking ball 92 into the groove 91 at another position. At this time, the positions of the support rod 6 and the top plate 5 can be automatically limited to avoid the danger of the top plate 5 falling. Even if the support force of the top plate 5 is insufficient, the elastic action of the spring 97 can buffer the fall of the top plate 5 to avoid danger and improve the safety of the hydraulic cylinder.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Hydraulic pusher cylinder comprising a base (1), characterized in that: The outer side of the base (1) is fixedly connected with a plurality of mounting seats (2) which are uniformly distributed, the mounting seat (2) is internally provided with a mounting hole (3), the top of the base (1) is fixedly installed with an oil cylinder body (4), the upper end of the output end of the oil cylinder body (4) is fixedly connected with a top plate (5), the lower end of the top plate (5) is fixedly connected with two symmetrically distributed supporting rods (6), the outer side of the supporting rod (6) is slidably sleeved with a supporting sleeve (7), the supporting sleeve (7) is fixedly connected with the base (1), the top plate (5) is provided with a supporting mechanism (8), and the supporting sleeve (7) is provided with a limiting mechanism (9).

2. A hydraulic push ram cylinder according to claim 1, characterized in that: The supporting mechanism (8) comprises a protective pad (81), the inside of the top plate (5) is slidably sleeved with a protective pad (81), the top of the protective pad (81) is fixedly connected with a plurality of protrusions (82) which are uniformly distributed, the protrusions (82) and the protective pad (81) are both made of rubber material, the inside of the top plate (5) is provided with a connecting groove (83), the inside of the connecting groove (83) is slidably sleeved with a connecting block (84), the connecting block (84) is fixedly connected with the protective pad (81), the outer side of the connecting block (84) is fixedly connected with a clamping block (85), and the clamping block (85) is clamped with the top plate (5).

3. A hydraulic push ram cylinder as claimed in claim 1, wherein: The inside of the top plate (5) is provided with a clamping groove (86), and the clamping groove (86) is clamped with the clamping block (85).

4. A hydraulic push ram cylinder as claimed in claim 2, wherein: The connecting block (84) and the clamping block (85) are of an integral structure, and the connecting block (84) and the clamping block (85) are both made of rubber material.

5. The hydraulic pusher ram cylinder of claim 1, wherein: The limiting mechanism (9) comprises a groove (91), the inside of the supporting sleeve (7) is provided with a groove (91), the inside of the groove (91) is movably sleeved with a clamping ball (92), the outer side of the clamping ball (92) is movably sleeved with a connecting seat (93), the connecting seat (93) is slidably connected with the supporting sleeve (7), the connecting seat (93) is fixedly connected with the supporting rod (6), the outer side of the clamping ball (92) is movably sleeved with a sliding block (94), the sliding block (94) is slidably connected with the connecting seat (93), the outer side of the sliding block (94) is fixedly connected with an elastic block (95), the elastic block (95) is fixedly connected with the connecting seat (93), the inside of the sliding block (94) is slidably sleeved with a guide rod (96), the guide rod (96) is fixedly connected with the connecting seat (93), and the outer side of the guide rod (96) is provided with a spring (97).

6. A hydraulic push ram cylinder as claimed in claim 5 wherein: The number of the grooves (91) is a plurality, and the plurality of grooves (91) are uniformly distributed in the inside of the supporting sleeve (7).

7. A hydraulic push ram cylinder as claimed in claim 5 wherein: One end of the spring (97) is fixedly connected with the sliding block (94), and the other end of the spring (97) is fixedly connected with the connecting seat (93).

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