Novel filter press oil cylinder

Abstract

The utility model discloses a novel filter press oil cylinder in the technical field of filter press oil cylinders, which comprises an oil cylinder body, a push rod mounted on the inner side of the body, a top cover mounted at one end of the body, a rear cover mounted at the other end of the body, a fixed cover mounted at the center of the inner side of the rear cover, and a cushion block on one side of the fixed cover capable of resisting pressure and buffering. The rear cover and the fixed cover can be locked and fixed through the lock catch assembly and the locking assembly, the fixed cover is unlocked through the lock catch assembly, and then the fixed cover is rotated to be disassembled, so that an operator can overhaul and maintain the body conveniently, and the problems that the rear cover of an existing oil cylinder is low in stability, the rear cover cannot be fixed in multiple modes, and the service life of the oil cylinder is prolonged are solved. And an existing oil cylinder can be disassembled and assembled only by disassembling a rear cover or a front cover, so that the oil cylinder is inconvenient to disassemble and assemble through the rear cover for overhauling operation, and the overhauling operation of the oil cylinder is relatively tedious.

Description

Technical Field

[0001] The utility model relates to the technical field of filter press oil cylinders, in particular to a novel filter press oil cylinder. Background Art

[0002] The filter press uses a special filter medium to apply a certain pressure to the object, causing the liquid to seep out. It is a commonly used solid-liquid separation equipment and is widely used in chemical, pharmaceutical, metallurgical, dye, food, brewing, ceramic and environmental protection industries. The oil cylinder is an important component of the filter press. The oil cylinder provides the pressing force for the filter press. If the oil cylinder of the filter press is worn or damaged, the oil cylinder needs to be disassembled for inspection and maintenance. The existing oil cylinder rear cover is usually one-piece, welded or installed with bolts, and the disassembly and assembly operation is relatively cumbersome.

[0003] The existing oil cylinder has low stability when the rear cover is installed, and the rear cover cannot be fixed multiple times. In addition, the existing oil cylinder usually needs to remove the rear cover or the front cover for disassembly and assembly, which is not convenient for disassembly and assembly of the oil cylinder through the rear cover for maintenance operations, resulting in cumbersome oil cylinder maintenance operations. Therefore, technical personnel in this field provide a new filter press oil cylinder to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a novel oil cylinder for a filter press to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a novel filter press oil cylinder, comprising an oil cylinder body, a push rod is installed inside the body, a top cover is installed at one end of the body, and a rear cover is installed at the other end of the body;

[0006] A fixing cover is installed at the inner center of the rear cover, a cushion block is installed on one side of the fixing cover and located inside the main body, a locking assembly is installed between the fixing cover and the rear cover, a locking assembly is installed between the rear cover and the main body, and the fixing cover is screwed to the rear cover.

[0007] Preferably: the locking assembly includes four fixing grooves arranged circumferentially on the other side of the back cover, a screw rod passes through the inner side of the fixing groove, a connecting plate is sleeved on the outer side of the screw rod and located on the inner side of the fixing groove, a locking plate is connected to one side of the connecting plate, the screw rod is rotatably connected to the back cover, and the screw rod passes through the connecting plate and is threadedly connected to the connecting plate.

[0008] Preferably: the locking assembly includes a fixing ring fixedly connected to the rear end of the body, one side of the fixing ring is connected to a mounting ring, the other side of the connecting plate is connected to a locking plate, one side of the mounting ring is provided with a locking through hole, the outer side of the pad is provided with four circumferentially arranged locking grooves, and the mounting ring is embedded in one side of the rear cover and is movably connected to it.

[0009] Preferably, the locking assembly further comprises a spring installed on the top of the inner side of the fixing groove and sleeved on the outer side of the screw rod, one end of the spring is connected to a pressure ring, and the pressure ring is movably connected to the screw rod.

[0010] Preferably, a positioning block is connected to the other side of the fixing cover, a positioning groove is formed on the other side of the cushion block, and the positioning block is movably connected to the positioning groove.

[0011] Preferably, one end of the screw rod is connected to an anti-slip portion, and the anti-slip portion is rotatably connected to the rear cover.

[0012] Preferably, there are four fixing rods arranged circumferentially on the other side of the top cover, a pad is sleeved on the outside of the fixing rods and close to one end, a nut is sleeved on the outside of the fixing rods and located on one side of the pad, and the fixing rods penetrate the rear cover and are movably connected thereto.

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

[0014] 1. In the utility model, a top cover, a rear cover, a fixed cover and a cushion block are provided, a push rod passes through the top cover and is slidably connected thereto, the fixed cover and the rear cover are screwed and installed, the cushion block on one side of the fixed cover can resist pressure and buffer, the rear cover and the fixed cover can be locked and fixed by a locking assembly and a locking assembly, the fixed cover is unlocked by the locking assembly, and then the fixed cover is rotated for disassembly, so that the operator can inspect and maintain the body.

[0015] 2. In the utility model, by arranging a screw rod, a connecting plate and a locking plate, the screw rod can drive the connecting plate to slide up and down in the fixing groove, and the locking plate at one end of the connecting plate can be embedded in the other side of the fixing cover, so that the four locking plates can lock and limit the fixing cover, thereby improving the bearing pressure of the fixing cover and the stability of installing the fixing cover.

[0016] 3. In the utility model, by setting a fixing ring, a locking plate, a spring and a pressure ring, the other locking plate of the connecting plate passes through the locking through hole and is inserted into the locking groove, so that the locking plate locks and fixes the main body and the rear cover through the fixing ring and the mounting ring, and at the same time, the locking plate can also lock and fix the gasket. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle.

[0020] In the figure: 1. body; 2. push rod; 3. top cover; 4. back cover; 5. fixed cover; 6. cushion block; 7. fixed groove; 8. screw; 9. connecting plate; 10. locking plate; 11. fixing ring; 12. mounting ring; 13. locking plate; 14. locking through hole; 15. locking groove; 16. spring; 17. pressure ring; 18. positioning block; 19. positioning groove; 20. anti-slip part; 21. fixing rod; 22. cushion plate; 23. nut. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 to Figure 3 In the embodiment of the utility model, a novel filter press oil cylinder includes a cylinder body 1, a push rod 2 is installed inside the body 1, a top cover 3 is installed at one end of the body 1, a rear cover 4 is installed at the other end of the body 1, a fixed cover 5 is installed at the center of the inner side of the rear cover 4, a cushion block 6 is installed on one side of the fixed cover 5 and located on the inner side of the body 1, a positioning block 18 is connected to the other side of the fixed cover 5, a positioning groove 19 is opened on the other side of the cushion block 6, the positioning block 18 is movably connected to the positioning groove 19, a locking assembly is installed between the fixed cover 5 and the rear cover 4, a locking assembly is installed between the rear cover 4 and the body 1, and the fixed cover 5 is screwed and installed with the rear cover 4.

[0023] When in use, the positioning block 18 can be embedded in the positioning groove 19 to prevent the cushion block 6 from shifting, the push rod 2 passes through the top cover 3 and is slidably connected thereto, the fixed cover 5 and the rear cover 4 are screwed and installed, the cushion block 6 on one side of the fixed cover 5 can resist pressure and buffer, the rear cover 4 and the fixed cover 5 can be locked and fixed by the locking assembly and the locking assembly, the fixed cover 5 can be unlocked by the locking assembly, and then the fixed cover 5 is rotated for disassembly, so that the operator can inspect and maintain the main body 1.

[0024] In one embodiment, specifically, the locking assembly includes four fixing grooves 7 arranged circumferentially on the other side of the back cover 4, a screw rod 8 passes through the inner side of the fixing groove 7, a connecting plate 9 is mounted on the outer side of the screw rod 8 and located on the inner side of the fixing groove 7, a locking plate 10 is connected to one side of the connecting plate 9, an anti-slip portion 20 is connected to one end of the screw rod 8, the anti-slip portion 20 is rotatably connected to the back cover 4, the screw rod 8 is rotatably connected to the back cover 4, and the screw rod 8 passes through the connecting plate 9 and is threadedly connected to it.

[0025] Among them, the anti-slip part 20 can prevent the screw 8 from slipping off and prevent the screw 8 from detaching from the back cover 4. The screw 8 can drive the connecting plate 9 to slide up and down in the fixing groove 7. The locking plate 10 at one end of the connecting plate 9 can be embedded in the other side of the fixing cover 5, so that the four locking plates 10 can lock and limit the fixing cover 5, thereby improving the bearing pressure of the fixing cover 5 and the stability of installing the fixing cover 5.

[0026] Furthermore, the locking assembly includes a fixing ring 11 fixedly connected to the rear end of the main body 1, a mounting ring 12 is connected to one side of the fixing ring 11, a locking plate 13 is connected to the other side of the connecting plate 9, a locking through hole 14 is provided on one side of the mounting ring 12, and four circumferentially arranged locking grooves 15 are provided on the outer side of the pad 6. The locking assembly also includes a spring 16 installed on the top of the inner side of the fixing groove 7 and located on the outer side of the screw 8, one end of the spring 16 is connected to a pressure ring 17, the pressure ring 17 is movably connected to the screw 8, and the mounting ring 12 is embedded in one side of the rear cover 4 and is movably connected to it.

[0027] In one embodiment, specifically, the other locking plate 13 of the connecting plate 9 passes through the locking through hole 14 and is inserted into the locking groove 15. The spring 16 can press the connecting plate 9 downward through the pressure ring 17, so that the locking plate 13 can lock and fix the main body 1 and the back cover 4 through the fixing ring 11 and the mounting ring 12. At the same time, the locking plate 13 can also lock and fix the cushion block 6.

[0028] Among them, there are four fixing rods 21 arranged in a circle on the other side of the top cover 1, and a pad 22 is mounted on the outside of the fixing rod 21 and close to one end, and a nut 23 is mounted on the outside of the fixing rod 21 and located on one side of the pad 22. The fixing rod 21 passes through the back cover 4 and is movably connected with it. The four fixing rods 21 pass through the back cover 4, and then the pad 22 is mounted on one end of the fixing rod 21 and is located on one side of the back cover 4. Then the nut 23 is screwed to one end of the fixing rod 21, so that the fixing rod 21 tightens and fixes the back cover 4 and the top cover 1 at both ends of the body 1, thereby improving the strength and stability of the top cover 1 and the back cover 4 at both ends of the installation body 1.

[0029] The working principle of this utility model:

[0030] First, rotate the screw 8. At this time, the anti-slip portion 20 at one end of the screw 8 rotates on the inner side of the rear cover 4. At the same time, the screw 8 drives the connecting plate 9 to slide upward in the fixing groove 7. At this time, the connecting plate 9 squeezes the spring 16 upward through the pad 22. At this time, the connecting plate 9 drives the locking plate 10 and the locking plate 13 to move upward. At this time, the locking plate 10 is separated from the fixed cover 5, and at the same time, the locking plate 13 is separated from the locking groove 15 and the locking through hole 14. Then rotate the fixed cover 5. At this time, the fixed cover 5 is separated from the rear cover 4, and at the same time, the positioning block 18 is separated from the positioning groove 19 on one side of the pad 6, and the main body 1 can be inspected.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel filter press oil cylinder, comprising an oil cylinder body (1), characterized in that: A push rod (2) is installed on the inner side of the body (1), a top cover (3) is installed on one end of the body (1), and a rear cover (4) is installed on the other end of the body (1); A fixing cover (5) is installed at the center of the inner side of the rear cover (4), a cushion block (6) is installed on one side of the fixing cover (5) and located on the inner side of the main body (1), a locking assembly is installed between the fixing cover (5) and the rear cover (4), a locking assembly is installed between the rear cover (4) and the main body (1), and the fixing cover (5) and the rear cover (4) are screwed and installed.

2. A novel filter press oil cylinder according to claim 1, characterized in that: The locking assembly comprises four fixing grooves (7) arranged circumferentially on the other side of the rear cover (4), a screw rod (8) passing through the inner side of the fixing groove (7), a connecting plate (9) being sleeved on the outer side of the screw rod (8) and located inside the fixing groove (7), a locking plate (10) being connected to one side of the connecting plate (9), the screw rod (8) being rotatably connected to the rear cover (4), the screw rod (8) passing through the connecting plate (9) and being screwed thereto.

3. The novel filter press oil cylinder according to claim 2 is characterized in that: The locking assembly comprises a fixing ring (11) fixedly connected to the rear end of the body (1); a mounting ring (12) is connected to one side of the fixing ring (11); a locking plate (13) is connected to the other side of the connecting plate (9); a locking through hole (14) is provided on one side of the mounting ring (12); four locking grooves (15) arranged in a circumference are provided on the outer side of the cushion block (6); and the mounting ring (12) is embedded in one side of the rear cover (4) and is movably connected thereto.

4. The novel filter press oil cylinder according to claim 3 is characterized in that: The locking assembly also includes a spring (16) installed on the top of the inner side of the fixing groove (7) and located on the outer side of the screw rod (8). One end of the spring (16) is connected to a pressure ring (17), and the pressure ring (17) is movably connected to the screw rod (8).

5. The novel filter press oil cylinder according to claim 2 is characterized in that: The other side of the fixed cover (5) is connected to a positioning block (18), the other side of the cushion block (6) is provided with a positioning groove (19), and the positioning block (18) is movably connected to the positioning groove (19).

6. The novel filter press oil cylinder according to claim 2 is characterized in that: One end of the screw rod (8) is connected to an anti-slip portion (20), and the anti-slip portion (20) is rotatably connected to the rear cover (4).

7. The novel filter press oil cylinder according to claim 1 is characterized in that: Four fixing rods (21) are arranged circumferentially on the other side of the top cover (3); a backing plate (22) is sleeved on the outside of the fixing rod (21) and close to one end; a nut (23) is sleeved on the outside of the fixing rod (21) and located on one side of the backing plate (22); and the fixing rod (21) passes through the rear cover (4) and is movably connected thereto.

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