Split type conical surface sealing oil cylinder device

Abstract

The utility model discloses a split type conical surface sealing oil cylinder device, and particularly relates to the technical field of sealing oil cylinders, which comprises an oil cylinder main body and a piston piece arranged in the oil cylinder main body, the oil cylinder body comprises a cylinder barrel, a packaging plate, a packaging ring and two liquid pipes, the two liquid pipes are arranged outside the front end and the rear end of the cylinder barrel respectively, the packaging plate and the packaging ring are arranged at the front end and the rear end of the cylinder barrel respectively, and the packaging plate is arranged on the rear side of the packaging ring. A connecting piece used for enhancing the connecting tightness of the piston piece and the cylinder barrel is arranged between the packaging plate and the packaging ring. The connecting piece comprises two connecting rings, and the two connecting rings are arranged in the front end and the rear end of the cylinder barrel respectively. The connecting ring is fixed into the cylinder barrel through threaded connection, and then secondary fixing of the connecting ring is achieved through threaded connection of the fixing bolt and the fixing groove, so that the connecting ring has a double fixing mode, the stability of the connecting ring is guaranteed, and the conditions of shaking and loosening are avoided.

Description

Technical Field

[0001] This utility model relates to the field of sealing cylinder technology, and more specifically to a split-type conical sealing cylinder device. Background Technology

[0002] The split-type sealing cylinder design utilizes a split structure, which helps reduce manufacturing difficulty and cost. Sealing cylinders, also known as cylinder seals, cylinder gaskets, or cylinder oil seals, are crucial components in hydraulic systems. Their primary function is to ensure the sealing performance of the hydraulic system, preventing leakage of hydraulic oil or gas, thereby maintaining system pressure and efficiency.

[0003] As shown in the prior art published in CN216642626U, although the prior art facilitates the later maintenance of the hydraulic cylinder through its split-type disassembly structure, and its equipped sealing components can further solve the problem of poor sealing caused by the split-type disassembly structure, the cylinder bottom and cylinder head in the prior art are both connected and fixed by bolts. When the bolts loosen, the stability of the cylinder bottom and cylinder head will also be affected, thereby affecting the connection stability between the cylinder bottom, cylinder head and cylinder barrel. Utility Model Content

[0004] To overcome the aforementioned deficiencies in the prior art, this utility model provides a split-type conical sealing cylinder device. The connecting ring is fixed to the inside of the cylinder by a threaded connection, and then the connecting ring is fixed again by a threaded connection between a fixing bolt and a fixing groove. This gives the connecting ring a dual fixing method, thereby ensuring the stability of the connecting ring and preventing it from shaking or loosening, thus solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a split-type conical sealing cylinder device, comprising a cylinder body and a piston installed inside the cylinder body;

[0006] The cylinder body includes a cylinder barrel, a sealing plate, a sealing ring, and two liquid pipes. The two liquid pipes are respectively opened on the front and rear ends of the cylinder barrel. The sealing plate and the sealing ring are respectively located on the front and rear ends of the cylinder barrel. The sealing plate is located on the rear side of the sealing ring, and a connecting piece for enhancing the tightness of the connection between the piston and the cylinder barrel is provided between the sealing plate and the sealing ring.

[0007] The connecting component includes two connecting rings, which are respectively located inside the front and rear ends of the cylinder, and the cross-section of the side of the two connecting rings that are close to each other is V-shaped.

[0008] Multiple fixing grooves are provided on the outer side of the two connecting rings that are close to each other. Fixing holes are provided on the outer side of the cylinder at both ends corresponding to the fixing grooves. Fixing bolts are provided inside the fixing holes. The fixing bolts pass through the fixing holes and extend into the fixing grooves. The fixing bolts are threadedly connected to the fixing grooves.

[0009] In a preferred embodiment, the outer ends of the two connecting rings that are far apart are threaded to the inner wall of the cylinder.

[0010] In a preferred embodiment, the piston component includes a piston and a piston rod disposed inside the cylinder. The piston rod is disposed on the front side of the piston, and the front end of the piston rod passes through the connecting ring located at the front end of the cylinder and extends to the outside of the sealing ring. The cross-sections at both the front and rear ends of the piston are tapered.

[0011] In a preferred embodiment, mounting plates are installed on both sides of the encapsulation plate and both sides of the encapsulation ring. A mounting seat is provided on the side of the mounting plate near the cylinder. The mounting seat is located outside the cylinder. A mounting bolt is provided on the side of the mounting seat away from the mounting plate. The mounting bolt passes through the mounting seat and extends into the interior of the mounting plate. The mounting bolt is threadedly connected to the mounting plate.

[0012] In a preferred embodiment, the cylinder is provided with a plurality of support columns arranged in a ring array on its exterior, and support plates are provided at both ends of the support columns and installed on the exterior of the cylinder. A fastening bolt is provided on the side of the support plate away from the support column. The fastening bolt passes through the support plate and extends into the interior of the support column. The fastening bolt is threadedly connected to the support column.

[0013] In a preferred embodiment, a sealing ring is embedded on the side of the two connecting rings that are close to each other.

[0014] The technical effects and advantages of this utility model are as follows:

[0015] 1. The connecting ring is fixed to the inside of the cylinder by a threaded connection, and then the connecting ring is fixed again by the threaded connection between the fixing bolt and the fixing groove. This gives the connecting ring a double fixing method, thereby ensuring the stability of the connecting ring and preventing it from shaking and loosening.

[0016] 2. By setting the cross-section of the connecting ring to V-shape, the cylinder can increase the contact area with the encapsulation plate and encapsulation ring through the connecting ring, which makes it easier to connect the cylinder with the encapsulation plate and encapsulation ring as a whole. This allows the cylinder, encapsulation ring and encapsulation plate to bear the pressure of the high-pressure oil together, avoiding damage caused by uneven stress, and also enhancing the sealing performance. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a side sectional view of the cylinder of this utility model;

[0019] Figure 3 For the present utility model Figure 2 Enlarged view of section A in the middle;

[0020] Figure 4 This is an exploded view of the packaging board of this utility model;

[0021] Figure 5 This is an exploded view of the support column of this utility model.

[0022] The attached diagram is labeled as follows: 1. Cylinder; 2. Encapsulation plate; 3. Encapsulation ring; 4. Liquid pipe; 5. Connecting ring; 6. Fixing groove; 7. Fixing hole; 8. Fixing bolt; 9. Piston; 10. Piston column; 11. Mounting plate; 12. Mounting seat; 13. Mounting bolt; 14. Support column; 15. Support plate; 16. Fastening bolt; 17. Sealing ring. Detailed Implementation

[0023] 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.

[0024] Refer to the instruction manual appendix Figure 1-5 This utility model provides a split-type conical sealing cylinder device, including a cylinder body and a piston installed inside the cylinder body;

[0025] The cylinder body includes a cylinder barrel 1, a sealing plate 2, a sealing ring 3, and two liquid pipes 4. The two liquid pipes 4 are respectively opened on the front and rear ends of the cylinder barrel 1. The sealing plate 2 and the sealing ring 3 are respectively located on the front and rear ends of the cylinder barrel 1. The sealing plate 2 is located on the rear side of the sealing ring 3, and a connecting piece for enhancing the tightness of the connection between the piston and the cylinder barrel 1 is provided between the sealing plate 2 and the sealing ring 3.

[0026] like Figure 2-4As shown, the connecting component includes two connecting rings 5. Since sealing rings 17 are embedded on the side of the two connecting rings 5 ​​that are close to each other, the connection tightness and sealing between the connecting rings 5 ​​and the piston 9 can be enhanced. The two connecting rings 5 ​​are respectively located inside the front and rear ends of the cylinder 1, and the cross section of the side of the two connecting rings 5 ​​that are close to each other is V-shaped. Multiple fixing grooves 6 are opened on the outside of the side of the two connecting rings 5 ​​that are close to each other. Fixing holes 7 are opened on the side of the side of the front and rear ends of the cylinder 1 that corresponds to the fixing grooves 6. Fixing bolts 8 are provided inside the fixing holes 7. The fixing bolts 8 pass through the fixing holes 7 and extend into the inside of the fixing grooves 6. The fixing bolts 8 are threadedly connected to the fixing grooves 6. Since the outside of the side of the two connecting rings 5 ​​that are far apart are threadedly connected to the inner wall of the cylinder 1, the connection tightness between the connecting rings 5 ​​and the cylinder 1 can be enhanced.

[0027] By setting the cross-section of the connecting ring 5 to V-shape, the cylinder 1 can increase the contact area with the encapsulation plate 2 and the encapsulation ring 3 through the connecting ring 5, thus facilitating the connection of the cylinder 1 with the encapsulation plate 2 and the encapsulation ring 3 as a whole. Because the piston 9 has a conical cross-section, when the high-pressure oil is delivered to the inside of the cylinder 1 through the liquid pipe 4, the high-pressure oil pushes the piston 9 to contact the connecting ring 5 at the encapsulation ring 3. Then, as the high-pressure oil fills, it contacts the connecting ring 5 at the encapsulation plate 2. The pressure generated in this way is transmitted to the encapsulation plate 2, the encapsulation ring 3, and the cylinder 1 to bear together, avoiding damage caused by uneven force distribution, ensuring the performance of the cylinder body, and extending the service life of the cylinder body. Furthermore, because the connecting ring 5 is connected to the cylinder 1 by fixing bolts 8 and threaded connection, the connecting ring 5 has a double fixing method, which can ensure the stability of the connecting ring 5 and prevent shaking and loosening.

[0028] To enhance the contact stability between piston 9 and connecting ring 5, such as Figure 1 and 2 As shown, the piston assembly includes a piston 9 and a piston rod 10 disposed inside the cylinder 1. The piston rod 10 is disposed in front of the piston 9, and the front end of the piston rod 10 passes through the connecting ring 5 located at the front end of the cylinder 1 and extends to the outside of the sealing ring 3. The front and rear ends of the piston 9 are both tapered. Because the piston 9 has a tapered cross section, the piston 9 can fit perfectly with the connecting ring 5, thereby increasing the contact area and enhancing the tightness and sealing of the connection.

[0029] To enhance the connection stability between the encapsulation plate 2, the encapsulation ring 3, and the cylinder 1, such as Figure 3 and 4As shown, mounting plates 11 are installed on both sides of the encapsulation plate 2 and both sides of the encapsulation ring 3. The mounting plate 11 has a mounting seat 12 on the side closer to the cylinder 1. The mounting seat 12 is located outside the cylinder 1. The mounting seat 12 has a mounting bolt 13 on the side away from the mounting plate 11. The mounting bolt 13 passes through the mounting seat 12 and extends into the interior of the mounting plate 11. The mounting bolt 13 is threaded to the mounting plate 11. The mounting plate 11 and the mounting seat 12 are connected together by the mounting bolt 13, which enhances the connection stability of the encapsulation plate 2, the encapsulation ring 3 and the cylinder 1. At the same time, the detachable connection of the mounting bolt 13 makes it convenient for the staff to disassemble and maintain the encapsulation plate 2 and the encapsulation ring 3 separately.

[0030] To avoid damage to cylinder 1 from impact, such as Figure 1 and 5 As shown, the cylinder 1 is provided with a plurality of support columns 14 arranged in a ring array on the outside, and support plates 15 are installed on the outside of the cylinder 1 at both the front and rear ends of the support columns 14. The support plate 15 is provided with a fastening bolt 16 on the side away from the support column 14. The fastening bolt 16 passes through the support plate 15 and extends into the inside of the support column 14. The fastening bolt 16 is threadedly connected to the support column 14. The cylinder 1 is protected from impact damage by the plurality of support columns 14. The fastening bolt 16 can also be rotated to separate from the support column 14, so as to achieve the effect of convenient disassembly of the support column 14 for maintenance.

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A split conical face seal cylinder apparatus, characterized by: The oil cylinder body and the piston installed in the oil cylinder body are included. The oil cylinder body includes a cylinder barrel (1), a sealing plate (2), a sealing ring (3) and two liquid pipes (4). The two liquid pipes (4) are respectively arranged at the front and rear ends of the cylinder barrel (1). The sealing plate (2) and the sealing ring (3) are respectively arranged at the front and rear ends of the cylinder barrel (1). The sealing plate (2) is arranged at the rear side of the sealing ring (3). The sealing plate (2) and the sealing ring (3) are provided with a connecting piece for enhancing the connection tightness between the piston and the cylinder barrel (1). The connecting piece includes two connecting rings (5). The two connecting rings (5) are respectively arranged at the inner sides of the front and rear ends of the cylinder barrel (1). The side of the two connecting rings (5) close to each other is provided with a V-shaped cross section. A plurality of fixing grooves (6) are arranged at the outer side of the end of the two connecting rings (5) away from each other. A fixing hole (7) is arranged at the side of the outer side of the front and rear ends of the cylinder barrel (1) corresponding to the fixing groove (6). A fixing bolt (8) is arranged in the fixing hole (7). The fixing bolt (8) penetrates the fixing hole (7) and extends into the fixing groove (6). The fixing bolt (8) is in threaded connection with the fixing groove (6).

2. The split conical seal cylinder apparatus of claim 1, wherein: The outer side of the end of the two connecting rings (5) away from each other is in threaded connection with the inner wall of the cylinder barrel (1).

3. The split cone seal cylinder apparatus of claim 1, wherein: The piston includes a piston (9) and a piston column (10) arranged in the cylinder barrel (1). The piston column (10) is arranged at the front side of the piston (9). The front end of the piston column (10) penetrates the connecting ring (5) arranged at the front end of the cylinder barrel (1) and extends to the outside of the sealing ring (3). The cross sections of the front and rear ends of the piston (9) are provided with a tapered shape.

4. The split cone seal cylinder apparatus of claim 1, wherein: The two sides of the sealing plate (2) and the two sides of the sealing ring (3) are provided with a mounting plate (11). The side of the mounting plate (11) close to the cylinder barrel (1) is provided with a mounting seat (12). The mounting seat (12) is arranged at the outer side of the cylinder barrel (1). The side of the mounting seat (12) away from the mounting plate (11) is provided with a mounting bolt (13). The mounting bolt (13) penetrates the mounting seat (12) and extends to the inside of the mounting plate (11). The mounting bolt (13) is in threaded connection with the mounting plate (11).

5. The split cone seal cylinder apparatus of claim 1, wherein: The outer side of the cylinder barrel (1) is provided with a plurality of support columns (14) arranged in a ring array. The front and rear ends of the support columns (14) are provided with support plates (15) arranged at the outer side of the cylinder barrel (1). The side of the support plate (15) away from the support column (14) is provided with a fastening bolt (16). The fastening bolt (16) penetrates the support plate (15) and extends to the inside of the support column (14). The fastening bolt (16) is in threaded connection with the support column (14).

6. The split cone seal cylinder apparatus of claim 1, wherein: The side of the two connecting rings (5) close to each other is embedded with a sealing ring (17).

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