High-sealing-performance air cylinder with anti-collision function
By incorporating multiple layers of buffer and sealing components within the cylinder, along with an automatic leak repair mechanism, the problem of insufficient sealing in traditional cylinders is solved, achieving high sealing performance and anti-collision capabilities, thus extending the equipment's service life and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional cylinders have insufficient sealing, which leads to aging and wear of the sealing materials during long-term operation, affecting system energy efficiency and safety.
A high-sealing cylinder with anti-collision function was designed. By setting components such as sealing plate, resistance rod, resistance spring, buffer block and buffer fluid in the cylinder, multi-layer buffering and sealing effect is achieved. Combined with the leak repair fluid, the cracks of the sealing ring and sealing ring are automatically repaired.
It effectively extends the service life of the cylinder, improves sealing and anti-collision functions, and ensures stable operation and safety of the equipment.
Smart Images

Figure CN224049464U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical engineering field technical field, concretely is a high sealing air cylinder with anti -collision function. BACKGROUND
[0002] With the promotion of industry and intelligence, as the core execution element of pneumatic system, the performance of cylinder directly influences the reliability and safety of equipment, however, the traditional cylinder sealing is insufficient, because the equipment needs long -term stable operation, in the process of operation, the sealing material therein can crack due to aging, wear and tear, influence system energy efficiency and safety. SUMMARY
[0003] (I) the technical problem solved
[0004] In view of the deficiencies of prior art, the utility model provides a high sealing air cylinder with anti -collision function, solves the problem of certain limitation of traditional cylinder anti -collision function.
[0005] (II) technical scheme
[0006] In order to realize the above object, the utility model is realized through the following technical scheme: including cylinder, the one end of cylinder is fixedly installed with prevent crash subassembly, and the other end of cylinder is fixedly installed with thickened cover subassembly, the inside sliding connection of cylinder has piston rod subassembly, the inside of thickened cover subassembly is provided with main anti -collision subassembly;
[0007] The main anti -collision subassembly includes sealing plate, the outer wall of sealing plate is fixedly connected with second resistance rod, the outer wall of sealing plate is fixedly connected with second resistance spring in the middle, the upper fixed connection of second resistance rod has buffer block, the inner wall of buffer block is slidingly connected with auxiliary telescopic rod, the inside of buffer block has buffer fluid, and the first layer buffering effect of buffer block can be obtained in cooperation with auxiliary telescopic rod, and the collision of movable rod and thickened cover can be prevented in cooperation with second resistance rod and second resistance spring.
[0008] Preferably, the second resistance spring is fixedly connected with the outer wall below the buffer block away from the one end of sealing plate, the second resistance rod is distributed with two groups around the second resistance spring as the axis, the prevent crash subassembly and thickened cover subassembly are fixedly connected through two groups of lead screws, and the effect of buffering can be effectively obtained through the mutual cooperation of these structures.
[0009] Preferably, the anti-collision assembly comprises a sealing cover, the inside of the sealing cover is fixedly connected with a first resistance spring, the first resistance spring has two, the first resistance spring is fixedly connected with a first resistance rod between the two, the inside of the sealing cover is fixedly connected with a sealing ring, the inside of the sealing ring is fixedly connected with a leak repairing liquid, the first resistance rod and the first resistance spring in the anti-collision assembly can actively prevent the collision, and the first resistance spring and the first resistance can prevent the collision when the bolt on the movable rod is in contact with the moving plate connected with one end of the first resistance spring during sliding.
[0010] Preferably, the piston rod assembly comprises a movable rod, one end of the movable rod close to the thickened cover assembly is fixedly connected with a thickened rod, the inner wall of the thickened rod 42 is embeddedly connected with a permanent magnet 45, and the two walls of the permanent magnet 45 are fixedly connected with sealing rings 44, the outer walls of the sealing rings and the permanent magnet are attached to the inner wall of the cylinder during movement of the movable rod, so that the normal operation of the cylinder can be realized.
[0011] Preferably, the movable rod penetrates the inside of the sealing cover, and one end of the movable rod away from the sealing cover extends to the inside of the cylinder, the outer wall of the movable rod is attached to the inner wall of the sealing ring, the outer walls of the sealing ring and the permanent magnet are attached to the inner wall of the cylinder, the inside of the sealing ring and the sealing ring is fixedly connected with a leak repairing liquid, the leak repairing liquid in the sealing ring can repair the sealing ring when the sealing ring is broken, and the load operation of the device can be effectively improved.
[0012] Preferably, the thickened cover assembly comprises a bottom cover, the inner wall of the bottom cover is threadedly connected with an adjusting nut, the outer wall of the bottom cover is provided with a positioning groove, the inner wall of the positioning groove is slidably connected with a return spring, the outer wall of one end of the adjusting nut is fixedly connected with a first telescopic rod, one end of the first telescopic rod close to the bottom cover is slidably connected with a bolt through the return spring, and the resistance of the second resistance spring can be adjusted by rotating the adjusting nut, so that the anti-collision effect of the cylinder can be adjusted.
[0013] Preferably, the bolt and the outer wall of the first telescopic rod are inserted through the hole, and the hole is arranged in the wall of the first telescopic rod, the adjusting nut can be unlocked by separating the bolt and the first telescopic rod, the adjusting nut can be adjusted, and the anti-collision effect of the anti-collision mechanism of the device remains unchanged.
[0014] (Three) beneficial effects
[0015] The utility model provides a high sealing property cylinder with anti -collision function. Have the following beneficial effects:
[0016] (One), the high sealing air cylinder with anti-collision function, the mutual cooperation between the sealing ring, the sealing ring and the leak repair liquid can realize the automatic repair effect, when the sealing ring and the sealing ring are cracked in operation, the leak repair liquid can repair the sealing ring and the sealing ring, so that the service life of the device is effectively prolonged.
[0017] (Two), the high sealing air cylinder with anti-collision function, the mutual cooperation between the first resistance rod and the second resistance spring arranged in the prevention assembly and the second resistance rod, the second resistance spring, the buffer block and the auxiliary telescopic rod arranged in the main anti-collision assembly can realize the anti-collision effect of the device, when the movable rod slides, one end of the movable rod will collide with the buffer block, because the buffer block is soft outside and has fluid inside, the buffer effect can be generated, the auxiliary telescopic rod can effectively make the buffer block deform up and down when the buffer block deforms, the mutual cooperation between the second resistance rod and the second resistance spring can play the effect of secondary buffering when the force after the buffering of the buffer block is transmitted to the second resistance rod and the second resistance spring, and the first resistance spring and the first resistance itself can play the prevention effect when the bolt on the movable rod contacts the moving plate connected with one end of the first resistance spring. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the overall structure schematic view of the utility model;
[0019] Figure 2 It is the structure schematic view of the movable rod of the utility model;
[0020] Figure 3 It is the structure schematic view of the prevention assembly of the utility model;
[0021] Figure 4 It is the structure schematic view of the bottom of thick cover assembly of the utility model;
[0022] Figure 5 It is the structure schematic view of the adjusting nut of the utility model;
[0023] Figure 6 It is the structure schematic view of the piston rod assembly section of the utility model.
[0024] In the drawing: 1, cylinder body; 2, prevention assembly; 21, sealing cover; 22, first resistance rod; 24, first resistance spring; 26, sealing ring; 28, leak repair liquid; 3, thick cover assembly; 31, bottom cover; 32, first telescopic rod; 33, adjusting nut; 34, positioning groove; 35, reset spring; 36, bolt; 4, piston rod assembly; 41, movable rod; 42, thickening rod; 44, sealing ring; 45, permanent magnet; 5, main anti-collision assembly; 51, second resistance rod; 52, second resistance spring; 53, sealing plate; 54, buffer block; 55, auxiliary telescopic rod. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0026] Please refer to Figures 1-6 The present application provides a technical solution: a cylinder body 1, one end of the cylinder body 1 is fixedly installed with a prevention collision assembly 2, and the other end of the cylinder body 1 is fixedly installed with a thickened cover assembly 3, the inside of the cylinder body 1 is slidably connected with a piston rod assembly 4, the inside of the thickened cover assembly 3 is provided with a main anti-collision assembly 5; the main anti-collision assembly 5 comprises a sealing plate 53, the outer wall of the sealing plate 53 is fixedly connected with a second resistance rod 51, the outer wall of the sealing plate 53 is fixedly connected with a second resistance spring 52 in the middle, the upper part of the second resistance rod 51 is fixedly connected with a buffer block 54, and the inner wall of the buffer block 54 is slidably connected with an auxiliary telescopic rod 55.
[0027] The end of the second resistance spring 52 away from the sealing plate 53 is fixedly connected with the outer wall below the buffer block 54, and the second resistance rod 51 is distributed around the second resistance spring 52 as the axis, the prevention collision assembly 2 and the thickened cover assembly 3 are fixedly connected through two groups of lead screws, the prevention collision assembly 2 comprises a sealing cover 21, the inside of the upper part of the sealing cover 21 is fixedly connected with a first resistance spring 24, there are two first resistance springs 24, a first resistance rod 22 is fixedly connected between the two first resistance springs 24, the inside of the sealing cover 21 is fixedly connected with a sealing ring 26, and the inside of the sealing ring 26 is fixedly connected with a leak repairing liquid 28.
[0028] The piston rod assembly 4 comprises a movable rod 41, one end of the movable rod 41 close to the thickened cover assembly 3 is fixedly connected with a thickened rod 42, the inner wall of the thickened rod 42 is embeddedly connected with a permanent magnet 45, the two walls of the permanent magnet 45 are fixedly connected with a sealing ring 44, the movable rod 41 penetrates through the inside of the sealing cover 21, and the end of the movable rod 41 away from the sealing cover 21 extends to the inside of the cylinder body 1, the outer wall of the movable rod 41 is attached to the inner wall of the sealing ring 26, the outer wall of the sealing ring 44 and the permanent magnet 45 is attached to the inner wall of the cylinder body 1, and the inside of the sealing ring 44 and the sealing ring 26 is fixedly connected with the leak repairing liquid 28.
[0029] The thickened cover assembly 3 comprises a bottom cover 31, an inner wall below the bottom cover 31 is threadedly connected with an adjusting nut 33, an outer wall below the bottom cover 31 is provided with a positioning groove 34, an inner wall of the positioning groove 34 is slidably connected with a return spring 35, an outer wall of one end of the adjusting nut 33 is fixedly connected with a first telescopic rod 32, one end of the first telescopic rod 32 close to the bottom cover 31 is slidably connected with a bolt 36 through the return spring 35, the bolt 36 is inserted into the outer wall of the first telescopic rod 32 through a hole, and the hole is formed in the wall of the first telescopic rod 32.
[0030] In use, the device is placed at a desired position by the staff, the movable rod 41 provided in the piston rod assembly 4 is slid, the thickened rod 42 is driven to move synchronously, the sealing ring 44 and the permanent magnet 45 are driven to move synchronously through the thickened rod 42, and the outer walls of the sealing ring 44 and the permanent magnet 45 are attached to the inner wall of the cylinder body 1 to pressurize the air in the cylinder body 1.
[0031] When the movable rod 41 slides, the protruding part of the outer wall of the movable rod 41 is in contact with the first resistance spring 24 and the top cover plate of the first resistance rod 22 in the sealing cover 21, the collision between the movable rod 41 and the cylinder is effectively weakened through the resistance of the first resistance spring 24 and the first resistance rod 22, and when the movable rod 41 is in contact with the buffer block 54, the buffer block 54 is filled with liquid, which can play a buffering effect, and the auxiliary telescopic rod 55 provided in the buffer block 54 can prevent the buffer block 54 from deviating during damping, and the intensity after buffering is transmitted to the second resistance spring 52 and the second resistance rod 51 provided in the main anti-collision assembly 5, and the second resistance spring 52 and the second resistance rod 51 can be buffered for the second time through the resistance of the second resistance spring 52 and the second resistance rod 51, so as to avoid the direct collision between the movable rod 41 and the device in the cylinder body 1, prolong the service life of the device, and the sealing plate 53 can ensure the sealing of the cylinder body 1.
[0032] The anti-collision assembly 2 can provide a mounting position for the first resistance spring 24 and the first resistance rod 22, and seal the cylinder body 1.
[0033] When the sealing ring 44 and the sealing ring 26 inside are aged after long-time operation, the repair liquid 28 is released when the sealing ring 26 and the sealing ring 44 crack during operation, the sealing ring 44 and the sealing ring 26 are repaired, and the service life of the device is effectively prolonged.
[0034] When the main anti-collision assembly 5 needs to be adjusted, the positioning slot 34 opened in the bottom cover 31 of the thickened cover assembly 3 can realize locking and unlocking of the adjusting nut 33, the plug 36 can be pulled out by the staff to make the plug 36 separate from the first telescopic rod 32, at the same time, the first telescopic rod 32 is retracted, the first telescopic rod 32 is separated from the positioning slot 34, the adjusting nut 33 is unlocked, the separated plug 36 pulls the reset spring 35, and the distance between the second resistance spring 52 and the buffer block 54 can be adjusted by rotating the adjusting nut 33, so that the anti-collision effect of the main anti-collision assembly 5 of the device remains as before, when the plug 36 is reset by the elasticity of the reset spring 35, the reset first telescopic rod 32 is inserted with the positioning slot 34 opened in the bottom cover 31, and the adjusting nut 33 can be locked.
[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes in the embodiments, the substitutions, the replacements and the modifications of the embodiments can be made by those skilled in the art without departing from the principles and the spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A high sealing air cylinder with anti-collision function, comprising a cylinder body (1), characterized in that: One end of the barrel (1) is fixedly installed with a prevention crash assembly (2), and the other end of the barrel (1) is fixedly installed with a thickened cover assembly (3), the inside of the barrel (1) is slidably connected with a piston rod assembly (4), and the inside of the thickened cover assembly (3) is provided with a main anti-collision assembly (5). The main anti-collision assembly (5) comprises a sealing plate (53), the outer wall of the sealing plate (53) is fixedly connected with a second resistance rod (51), the outer wall of the sealing plate (53) is fixedly connected with a second resistance spring (52), the upper side of the second resistance rod (51) is fixedly connected with a buffer block (54), and the inner wall of the buffer block (54) is slidably connected with an auxiliary telescopic rod (55).
2. The high sealing air cylinder with anti-collision function according to claim 1, characterized in that: The second resistance spring (52) is fixedly connected with the outer wall below the buffer block (54) away from the sealing plate (53), and the second resistance rod (51) is distributed in two groups around the second resistance spring (52) as the axis.
3. The high sealing air cylinder with anti-collision function according to claim 1, characterized in that: The prevention crash assembly (2) comprises a sealing cover (21), the inside of the sealing cover (21) is fixedly connected with a first resistance spring (24), the first resistance spring (24) has two, the first resistance spring (24) is fixedly connected with a first resistance rod (22) between the two, and the inside of the sealing cover (21) is fixedly connected with a sealing ring (26).
4. The high sealability cylinder with anti-collision function according to claim 3, characterized in that: The piston rod assembly (4) comprises a movable rod (41), one end of the movable rod (41) close to the thickened cover assembly (3) is fixedly connected with a thickened rod (42), the inner wall of the thickened rod (42) is embeddedly connected with a permanent magnet (45), and the two walls of the permanent magnet (45) are fixedly connected with a sealing ring (44).
5. The high sealability cylinder with anti-collision function according to claim 4, characterized in that: The movable rod (41) penetrates through the inside of the sealing cover (21), one end of the movable rod (41) away from the sealing cover (21) extends to the inside of the barrel (1), the outer wall of the movable rod (41) is attached to the inner wall of the sealing ring (26), the outer wall of the sealing ring (44) and the permanent magnet (45) is attached to the inner wall of the barrel (1), and the inside of the sealing ring (44) and the sealing ring (26) is fixedly connected with a leak repairing liquid (28).
6. The high sealability cylinder with anti-collision function according to claim 1, characterized in that: The thickened cover assembly (3) comprises a bottom cover (31), the inner wall below the bottom cover (31) is threadedly connected with an adjusting nut (33), the outer wall below the bottom cover (31) is provided with a positioning groove (34), the inner wall of the positioning groove (34) is slidably connected with a reset spring (35), the outer wall of one end of the adjusting nut (33) is fixedly connected with a first telescopic rod (32), and one end of the first telescopic rod (32) close to the bottom cover (31) is slidably connected with a bolt (36) through the reset spring (35).
7. The high sealability cylinder with anti-collision function according to claim 6, characterized in that: The bolt (36) and the outer wall of the first telescopic rod (32) are inserted through the hole, and the hole is formed in the wall of the first telescopic rod (32).