Shaftless dustproof sealing guide ring

Abstract

The utility model relates to the technical field of guide rings, and discloses a shaftless dustproof sealing guide ring, which solves the problem that the existing guide ring is directly sleeved on a piston, so that the installation stability of the guide ring is not high. A through opening communicated with the containing groove is formed in the middle of the top end of the guide ring, a piston body is arranged in the containing groove, a piston rod penetrating through the through opening is arranged at the top end of the piston body, and a stop plate located at the top end of the guide ring is arranged on the outer wall of the piston rod and slidably connected with the guide ring. The guide ring is connected with the piston body through a connecting mechanism, the stopping plate is connected with the connecting mechanism, and the stopping plate is connected with the piston rod through a clamping piece. According to the design, convenience is provided for connection of the guide ring and the piston body, and then convenience is brought to disassembly, assembly and replacement of the guide ring.

Description

Technical Field

[0001] The utility model belongs to the technical field of guide rings, in particular to a shaftless dustproof sealing guide ring. Background Art

[0002] The guide ring mainly plays a guiding role. It is mainly suitable for guiding the piston and piston rod in hydraulic cylinders and air cylinders, and plays a supporting and guiding role. The guide ring is also called a support ring. It is a part used on the piston or piston rod of a hydraulic cylinder or air cylinder to support the movement of the piston or piston rod. It can prevent the piston or piston rod from direct contact and friction with the cylinder body during movement, and protect the cylinder body and the piston or piston rod from being damaged.

[0003] Since the guide ring is installed on the outside of the piston to protect the piston, the piston or piston rod will drive the guide ring to move during movement, causing the guide ring to move back and forth in the hydraulic cylinder and the air cylinder, which will cause friction between the guide ring and the inner wall of the hydraulic cylinder or the air cylinder. After long-term use, the guide ring is prone to wear and tear, which will shorten the service life of the guide ring. Therefore, the guide ring needs to be replaced. However, the existing guide ring is directly mounted on the piston, resulting in low installation stability of the guide ring. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a shaftless dustproof sealing guide ring, which effectively solves the problem that the existing guide ring in the above background technology is directly sleeved on the piston, resulting in low installation stability of the guide ring.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shaftless dustproof sealing guide ring, comprising a guide ring, a receiving groove is provided inside the guide ring, a through opening connected to the receiving groove is provided at the middle position of the top end of the guide ring, a piston body is provided inside the receiving groove, a piston rod is provided at the top end of the piston body and is inserted into the through opening, a stop plate is provided on the outer wall of the piston rod and is located at the top end of the guide ring, the stop plate is slidably connected to the guide ring, the guide ring and the piston body are connected by a connecting mechanism, the stop plate is connected to the connecting mechanism, and the stop plate and the piston rod are connected by a clamping member.

[0006] Preferably, the clamping member comprises a socket and an insert block, the insert blocks are provided on the adjacent sides of the two stop plates, the sockets are symmetrically formed on the outer wall of the piston rod, and the insert blocks extend to the inside of the sockets.

[0007] Preferably, a T-shaped slot is symmetrically provided at the top of the guide ring, and a T-shaped slider slidably connected to the inner wall of the T-shaped slot is provided at the bottom end of the stop plate.

[0008] Preferably, the guide ring is symmetrically provided with grooves, and the inner wall of the piston body is symmetrically provided with connecting grooves on both sides.

[0009] Preferably, the connection mechanism includes an opening, a connecting rod, a connecting rod, a base 1, a screw, a base 2, a knob and a locking group. The inner wall of the guide ring is symmetrically provided with openings connected to the slots. The inner wall of the slot is slidably connected with a movable plate. One side of the movable plate is provided with a connecting rod that passes through the opening and extends to the inside of the connecting slot. The top of the movable plate is provided with a connecting rod connected to one end of the stop plate. The top of the guide ring is symmetrically provided with base 1 and base 2. Base 1 and base 2 are connected by a screw. The movable plate is sleeved on the screw. The movable plate is threadedly connected to the screw. One end of the screw is provided with a knob, and one side of the base 2 is provided with a locking group connected to the knob.

[0010] Preferably, the locking group includes a lock mouth, a mother tube, a telescopic rod, a pull plate, an insertion rod and a spring. The mother tubes are symmetrically provided on both sides of the base two, the telescopic rods are inserted into the inside of the mother tubes, the telescopic rods are connected to the mother tubes by a spring, the two telescopic rods are connected by a pull plate, and one side of the pull plate is provided with an insertion rod inserted into the lock mouth.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) During operation, the piston body and the piston rod are connected by providing a guide ring, a receiving groove, a through hole, a piston body, a piston rod, a stop plate, a connecting mechanism and a clamping member, thereby improving the connection stability between the guide ring and the piston body. This design facilitates the connection between the guide ring and the piston body, thereby bringing convenience to the disassembly, assembly and replacement of the guide ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of the shaftless dustproof seal guide ring of the utility model;

[0016] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0017] Figure 3 For this utility model Figure 1 Stereogram;

[0018] In the figure: 1. guide ring; 2. receiving groove; 3. through-hole; 4. piston body; 5. piston rod; 6. stop plate; 7. socket; 8. plug block; 9. connecting groove; 10. slot; 11. hole; 12. movable plate; 13. connecting rod; 14. connecting rod; 15. base one; 16. screw rod; 17. base two; 18. knob; 19. lock; 20. mother tube; 21. telescopic rod; 22. pull plate; 23. plug rod; 24. spring; 25. T-shaped slider; 26. T-shaped slide groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Depend on Figures 1 to 3 The utility model comprises a guide ring 1, a receiving groove 2 is provided inside the guide ring 1, a through hole 3 connected to the receiving groove 2 is provided at the middle position of the top of the guide ring 1, a piston body 4 is provided inside the receiving groove 2, a piston rod 5 inserted into the through hole 3 is provided at the top of the piston body 4, a stop plate 6 located at the top of the guide ring 1 is provided on the outer wall of the piston rod 5, the stop plate 6 is slidably connected to the guide ring 1, the guide ring 1 is connected to the piston body 4 through a connection mechanism, the stop plate 6 is connected to the connection mechanism, and the stop plate 6 is connected to the piston rod 5 through a clamping piece;

[0021] By inserting the piston body 4 into the interior of the accommodating groove 2, and allowing the piston body 4 to drive the piston rod 5 to pass through the through-opening 3, and then connecting the stop plate 6 and the piston rod 5 through a clamping piece, the piston rod 5 is fixed. Through the design of the stop plate 6, the guide ring 1 can be stopped, the connection stability between the guide ring 1 and the piston body 4 is improved, and the working stability of the guide ring 1 is improved. At the same time, with the design of the connecting mechanism, it is easy to achieve the connection between the guide ring 1 and the piston body 4, and the installation stability of the piston body 4 and the piston rod 5 and the guide ring 1 is improved, which provides convenience for the installation of the guide ring 1 and the piston body 4, and then provides convenience for the replacement of the guide ring 1.

[0022] The clamping part includes a socket 7 and an insert block 8. The insert block 8 is provided on the side close to the two stop plates 6. The outer wall of the piston rod 5 is symmetrically provided with sockets 7, and the insert block 8 extends to the inside of the socket 7. The top of the guide ring 1 is symmetrically provided with T-shaped grooves 26, and the bottom end of the stop plate 6 is provided with a T-shaped slider 25 slidably connected to the inner wall of the T-shaped groove 26; when the piston rod 5 is inserted into the inside of the through-hole 3, the stop plate 6 is then moved, so that the stop plate 6 drives the T-shaped slider 25 to slide in the T-shaped groove 26, and then the stop plate 6 slides on the top of the guide ring 1, the stop plate 6 will drive the insert block 8 to move horizontally, so that the insert block 8 is inserted into the socket 7 on the side wall of the piston rod 5, thereby realizing the fixation of the piston rod 5, improving the installation stability of the piston rod 5 and the guide ring 1, realizing the stopping of the guide ring 1, improving the connection stability of the guide ring 1 and the piston body 4, and improving the working stability of the guide ring 1.

[0023] The guide ring 1 is symmetrically provided with slots 10, and the inner wall of the piston body 4 is symmetrically provided with connecting slots 9. The connection mechanism includes an opening 11, a connecting rod 13, a connecting rod 14, a base 15, a screw rod 16, a base 2 17, a knob 18 and a locking group. The inner wall of the guide ring 1 is symmetrically provided with openings 11 connected to the slots 10, and the inner wall of the slot 10 is slidably connected with a moving plate 12. A connecting rod 13 that penetrates the opening 11 and extends to the inside of the connecting slot 9 is provided on one side of the moving plate 12. A connecting rod 14 connected to one end of the stop plate 6 is provided on the top of the moving plate 12. The top of the guide ring 1 is symmetrically provided with a base 15 and a base 2 17, and the base 15 and the base 2 17 are connected by a screw rod 16. The movable plate 12 is sleeved on the screw rod 16, and the movable plate 12 is threadedly connected to the screw rod 16. A knob 18 is provided at one end of the screw rod 16, and a locking group connected to the knob 18 is provided on one side of the base 2 17. The locking group includes a lock 19, a mother tube 20, a telescopic rod 21, a pull plate 22, an insertion rod 23 and a spring 24. The two sides of the base 2 17 are symmetrically provided with mother tubes 20, and the interior of the mother tube 20 is interspersed with a telescopic rod 21, and the telescopic rod 21 and the mother tube 20 are connected by a spring 24, and the two telescopic rods 21 are connected by a pull plate 22. One side of the pull plate 22 is provided with an insertion rod 23 inserted into the lock 19; when the piston body 4 is inserted into the interior of the accommodating groove 2, the pull plate 22 is pulled away from the knob 18, which will cause the insertion rod 23 to be disconnected from the lock 19, and then the knob 18 is rotated, and the knob 18 drives the screw rod 16 to rotate, and the threaded connection relationship between the screw rod 16 and the movable plate 12 and the sliding connection relationship between the movable plate 12 and the bottom end of the slot 10 will cause the movable plate 12 to move on the screw rod 16, and the movable plate 12 will drive the connecting rod 13 to move, so that the connecting rod 13 passes through the opening 11 and extends to the inside of the connecting groove 9, thereby connecting the guide ring 1 and the piston body 4, and then fixing the guide ring 1 and the piston body 4, and then loosening the pull plate 22. Under the elastic force of the spring 24, the pull plate 22 will drive the insertion rod 23 to move to the lock mouth 19, and the knob 18 will be tightened, thereby improving the tightness of the connection between the connecting rod 13 and the piston body 4. This design effectively improves the convenience of the connection between the guide ring 1 and the piston body 4, and then provides convenience for the disassembly and replacement of the guide ring 1.

Claims

1. A shaftless dustproof seal guide ring, comprising a guide ring (1), characterized in that: The guide ring (1) has a receiving groove (2) formed inside, a through hole (3) connected to the receiving groove (2) formed at the middle position of the top end of the guide ring (1), a piston body (4) is formed inside the receiving groove (2), a piston rod (5) is formed at the top end of the piston body (4) and is inserted into the through hole (3), a stop plate (6) is formed on the outer wall of the piston rod (5) and is located at the top end of the guide ring (1), the stop plate (6) is slidably connected to the guide ring (1), the guide ring (1) and the piston body (4) are connected via a connection mechanism, the stop plate (6) is connected to the connection mechanism, and the stop plate (6) and the piston rod (5) are connected via a clamping member.

2. The shaftless dustproof seal guide ring according to claim 1, characterized in that: The clamping member comprises a socket (7) and an insert block (8), the insert block (8) being provided on the adjacent side of the two stop plates (6), the sockets (7) being symmetrically formed on the outer wall of the piston rod (5), and the insert block (8) extending into the interior of the sockets (7).

3. The shaftless dustproof seal guide ring according to claim 1, characterized in that: The top end of the guide ring (1) is symmetrically provided with a T-shaped slide groove (26), and the bottom end of the stop plate (6) is provided with a T-shaped sliding block (25) slidably connected to the inner wall of the T-shaped slide groove (26).

4. The shaftless dustproof seal guide ring according to claim 1, characterized in that: The guide ring (1) is symmetrically provided with slots (10), and the inner wall of the piston body (4) is symmetrically provided with connecting slots (9).

5. The shaftless dustproof seal guide ring according to claim 1, characterized in that: The connection mechanism comprises an opening (11), a connecting rod (13), a connecting rod (14), a base 1 (15), a screw rod (16), a base 2 (17), a knob (18) and a locking group. The inner wall of the guide ring (1) is symmetrically provided with openings (11) connected to the slot (10). The inner wall of the slot (10) is slidably connected with a moving plate (12). One side of the moving plate (12) is provided with a connecting rod (13) that penetrates the opening (11) and extends to the inside of the connecting slot (9). The moving plate (1 The top of the guide ring (2) is provided with a connecting rod (14) connected to one end of the stop plate (6), the top of the guide ring (1) is symmetrically provided with a base one (15) and a base two (17), the base one (15) and the base two (17) are connected by a screw rod (16), the movable plate (12) is sleeved on the screw rod (16), the movable plate (12) and the screw rod (16) are threadedly connected, one end of the screw rod (16) is provided with a knob (18), and one side of the base two (17) is provided with a locking group connected to the knob (18).

6. The shaftless dustproof seal guide ring according to claim 5, characterized in that: The locking group comprises a locking port (19), a mother tube (20), a telescopic rod (21), a pull plate (22), an insertion rod (23) and a spring (24); the mother tubes (20) are symmetrically arranged on both sides of the second base (17); the telescopic rod (21) is inserted into the interior of the mother tube (20); the telescopic rod (21) and the mother tube (20) are connected via a spring (24); the two telescopic rods (21) are connected via a pull plate (22); and the insertion rod (23) inserted into the interior of the locking port (19) is arranged on one side of the pull plate (22).

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