Waterproof sealing structure of bushing supporting roller
By setting a waterproof sealing structure on the bushing support roller and utilizing the combined design of assembly and connection mechanisms, the waterproof sealing problem of the bushing support roller in humid environments is solved, achieving better waterproof performance and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
The existing bushing support rollers have not effectively solved the problem of waterproof sealing in humid and watery environments, which affects their performance and service life.
A waterproof sealing structure including a first connecting ring, a bushing, a support roller, and a second connecting ring is adopted. Through the combined use of an assembly mechanism and a connecting mechanism, and by utilizing plug-in components, limit components, and threaded connections, the bushing and the support roller are tightly fixed to prevent water penetration.
It effectively prevents gaps between the bushing and the support roller, improves the waterproof performance of the bushing support roller, and extends its service life.
Smart Images

Figure CN224107555U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bushed supporting roller, specifically to waterproof sealing structure of bushed supporting roller. BACKGROUND
[0002] In early industrial production, such as metallurgy, papermaking, rubber industry, the requirement of supporting roller is relatively single, mainly focuses on meeting the basic load bearing and transmission function, in order to solve the drawbacks of integral supporting roller, bushing technology emerges as the times require, adopts the mode such as differential temperature furnace heating, makes the gap cooperation of roller cover expansion and roll core, bushed supporting roller working environment often contacts water, waterproof sealing is very important.
[0003] New bushing materials such as high-performance alloy, ceramic composite material emerge in an endless stream, these materials have higher hardness, wear resistance and corrosion resistance, can better adapt to harsh working environment, with the application of bushed supporting roller in more humid, water environment, such as in pulp washing machine, sewage treatment equipment and other fields, waterproof sealing problem gradually becomes the key factor restricting its performance and service life. UTILITY MODEL CONTENTS
[0004] The utility model discloses waterproof sealing structure of bushed supporting roller to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: waterproof sealing structure of bushed supporting roller, including first connecting ring, bushing, supporting roller and second connecting ring, the bushing is sleeved on the surface of supporting roller, is provided with assembly mechanism on first connecting ring and second connecting ring, is provided with connecting mechanism on bushing, first connecting ring and second connecting ring, the surface of supporting roller is set up with the stopper, the inner ring of bushing is fixedly connected with the stopper platform, the surface of stopper platform and the inside of stopper are inserted;
[0006] The assembly mechanism includes the plug-in assembly and the limiting component, and the limiting component is arranged on the plug-in assembly.
[0007] The plug-in assembly includes the slot, the slot is set up on the back of first connecting ring, the second connecting ring front is fixedly connected with the plug-in board, the back of the slot is set as the opening, the plug-in board surface and the inside of the slot are inserted, the inside of the slot is set up with the long slot, the long slot openings on the upper and lower sides are correspondingly set, the upper and lower sides surfaces of the second connecting ring are fixedly connected with the connecting rod respectively, the connecting rod far away from the second connecting ring one side surface is fixedly connected with the circular platform, the circular platform close to the second connecting ring one side is fixedly connected with the spring, the other side of the spring is fixedly connected with the connecting plate, the other side of the connecting plate is fixedly connected with the long block.
[0008] Preferably, the first connecting ring is internally provided with a through groove on the upper and lower sides, and the long block is surface-inserted into the through groove internally provided on the upper and lower sides of the first connecting ring.
[0009] Preferably, the spring is sleeved on the surface of the connecting rod, the connecting plate is internally and slidingly connected with the surface of the connecting rod, and the connecting plate is driven to slide on the surface of the connecting rod under the spring rebounding force, so that the connecting plate drives the long block to be inserted into the long groove.
[0010] Preferably, the limiting assembly comprises a socket groove, the socket groove is internally provided in the connecting rod, the connecting plate is internally provided with a sliding groove away from the second connecting ring, the sliding groove is internally slidingly connected with a sliding block, the sliding block is fixedly connected with a supporting plate away from the second connecting ring, the supporting plate is fixedly connected with a fixed plate close to the connecting rod, the fixed plate is fixedly connected with a plug rod on the other side, and the fixed plate is internally and threadedly connected with a bolt.
[0011] Preferably, the plug rod is inserted into the socket groove, the plug rod is arranged away from the second connecting ring on the surface of the circular table, the plug rod is inserted into the socket groove, the first connecting ring and the second connecting ring can be further fixed on the surface of the insert sleeve, a certain pressure is applied to the insert sleeve, even if the roller body jumps and deforms to a certain extent during operation, a gap can be avoided between the insert sleeve and the supporting roller, water penetration can be prevented, and the waterproof performance of the supporting roller is improved.
[0012] Preferably, the connecting mechanism comprises a square plate, the square plate is fixedly connected to the front and rear surfaces of the insert sleeve, the first connecting ring and the second connecting ring are internally provided with a square groove, the first connecting ring and the second connecting ring are internally provided with an arc-shaped groove on the left and right sides, the square plate is surface-inserted into the square groove, the arc-shaped groove is slidingly connected with an annular sliding block, the outer sides of the annular sliding blocks on the left and right sides are fixedly connected with fixed blocks, the fixed blocks on the left and right sides are fixedly connected with a long plate away from the insert sleeve, the long plate is fixedly connected with a mounting block close to the square plate, the square plate is internally provided with a rectangular groove away from the insert sleeve, the square plate is fixedly connected with nuts on the left and right sides, and the nuts are internally and threadedly connected with screw rods.
[0013] Preferably, the rectangular grooves on the upper and lower sides are provided with openings away from the insert sleeve and on the outer sides.
[0014] Compared with the prior art, the waterproof sealing structure of the insert sleeve supporting roller has the following beneficial effects:
[0015] 1. The waterproof sealing structure of the bushing supporting roller, through the assembling mechanism, the spring rebounding force drives the connecting plate to slide on the surface of the connecting rod until the connecting plate drives the long block to be inserted in the long slot, the sliding groove drives the sliding block to slide in the sliding groove, and the supporting plate drives the fixed plate, the fixed plate drives the insertion rod to be inserted in the insertion hole slot, the circular table and the fixed plate are threadedly fixed by the bolt, the first connecting ring and the second connecting ring are further fixed on the surface of the bushing, a certain pressure is applied to the bushing, even if the roller body has a certain degree of jumping and deformation during operation, a gap between the bushing and the supporting roller can be avoided, water penetration can be prevented, and the waterproof performance of the supporting roller is improved.
[0016] 2. The waterproof sealing structure of the bushing supporting roller, through the connecting mechanism, the square plate is inserted in the rectangular slot, the fixed block is driven to drive the annular sliding block to slide in the arc-shaped slot, so that the fixed block drives the long plate to move, the long plate drives the mounting block to be inserted in the rectangular slot, the screw is threadedly inserted in the nut, the first connecting ring and the second connecting ring are preliminarily arranged on the surface of the bushing, and the first connecting ring and the second connecting ring are cooperated to fix the bushing on the surface of the supporting roller. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor under the premise of not paying creative labor.
[0018] Figure 1 It is a whole structure perspective view of the present application;
[0019] Figure 2 It is a cross-sectional structure schematic view of the bushing and the supporting roller;
[0020] Figure 3 It is a split structure schematic view of the first connecting ring and the second connecting ring;
[0021] Figure 4 It is a structure schematic view of the insertion assembly;
[0022] Figure 5 It is Figure 4 It is an enlarged structure schematic view of position A in the middle;
[0023] Figure 6 It is a structure schematic view of the limiting assembly;
[0024] Figure 7 It is Figure 6 It is an enlarged structure schematic view of position B in the middle;
[0025] Figure 8It is a structural schematic view of the connecting mechanism;
[0026] Figure 9 It is Figure 8 It is an enlarged structural schematic view at C in the middle.
[0027] In the figure: 1, first connecting ring; 2, bushing; 21, stop mouth platform; 3, connecting mechanism; 31, arc-shaped groove; 32, fixed block; 33, square groove; 34, screw rod; 35, annular sliding block; 36, nut; 37, mounting block; 38, square plate; 39, rectangular groove; 301, long plate; 4, assembling mechanism; 41, plug-in assembly; 411, connecting plate; 412, circular table; 413, connecting rod; 414, spring; 415, long block; 416, plug-in plate; 417, plug-in groove; 418, long groove; 42, limiting assembly; 421, sliding block; 422, plug-in hole groove; 423, plug-in rod; 424, bolt; 425, fixed plate; 426, support plate; 427, sliding groove; 5, supporting roller; 51, stop mouth; 6, second connecting ring. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below 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 labor fall within the scope of protection of the present application.
[0029] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0030] The present application provides the following technical solutions:
[0031] Embodiment one
[0032] Combined with Figures 1 to 7The waterproof sealing structure of the bushing supporting roller comprises a first connecting ring 1, a bushing 2, a supporting roller 5 and a second connecting ring 6, the bushing 2 is sleeved on the surface of the supporting roller 5, the first connecting ring 1 and the second connecting ring 6 are provided with an assembling mechanism 4, the bushing 2, the first connecting ring 1 and the second connecting ring 6 are provided with a connecting mechanism 3, the surface of the supporting roller 5 is provided with a stopper 51, the inner ring of the bushing 2 is fixedly connected with a stopper base 21, and the surface of the stopper base 21 and the inside of the stopper 51 are insertedly connected.
[0033] The assembling mechanism 4 comprises an inserting assembly 41 and a limiting assembly 42, and the limiting assembly 42 is arranged on the inserting assembly 41.
[0034] The inserting assembly 41 comprises an inserting groove 417, the inserting groove 417 is arranged on the back surface of the first connecting ring 1, the front surface of the second connecting ring 6 is fixedly connected with an inserting plate 416, the back surface of the inserting groove 417 is arranged as an opening, the surface of the inserting plate 416 and the inside of the inserting groove 417 are insertedly connected, the inside of the inserting groove 417 is arranged with a long groove 418, the openings of the upper and lower long grooves 418 are arranged in correspondence with each other, the upper and lower surfaces of the second connecting ring 6 are respectively fixedly connected with connecting rods 413, the surface of the connecting rod 413 away from the second connecting ring 6 is fixedly connected with a circular table 412, the side of the circular table 412 close to the second connecting ring 6 is fixedly connected with a spring 414, the other side of the spring 414 is fixedly connected with a connecting plate 411, and the other side of the connecting plate 411 is fixedly connected with a long block 415.
[0035] The inside of the upper and lower sides of the first connecting ring 1 is arranged with a through groove, the surface of the long block 415 is insertedly connected with the through groove arranged in the inside of the upper and lower sides of the first connecting ring 1, the spring 414 is sleeved on the surface of the connecting rod 413, and the inside of the connecting plate 411 is slidingly connected with the surface of the connecting rod 413.
[0036] The limiting assembly 42 comprises an inserting hole groove 422, the inserting hole groove 422 is arranged in the inside of the connecting rod 413, the inside of the other side of the connecting plate 411 away from the second connecting ring 6 is arranged with a sliding groove 427, the sliding groove 427 is slidingly connected with a sliding block 421 in the inside, the other side of the sliding block 421 away from the second connecting ring 6 is fixedly connected with a supporting plate 426, the side of the supporting plate 426 close to the connecting rod 413 is fixedly connected with a fixed plate 425, the other side of the fixed plate 425 is fixedly connected with an inserting rod 423, the fixed plate 425 and the circular table 412 are screw-connected with a bolt 424 in the inside, the inside of the inserting hole groove 422 and the surface of the inserting rod 423 are insertedly connected, and the inserting rod 423 is arranged on the side of the circular table 412 away from the second connecting ring 6.
[0037] Further, the long block 415 is inserted into the long slot 418, the sliding groove 427 is pushed to drive the sliding block 421 to slide in the sliding groove 427, and the supporting plate 426 drives the fixed plate 425, the fixed plate 425 drives the insertion rod 423 to be inserted into the insertion hole slot 422, and the circular table 412 and the fixed plate 425 are threadedly fixed by the bolt 424. The first connecting ring 1 and the second connecting ring 6 can be further fixed on the surface of the bushing 2, and a certain pressure is applied to the bushing 2, so that even if there is a certain degree of jumping and deformation during the operation of the roller body, a gap between the bushing 2 and the supporting roller 5 can be avoided, water penetration can be prevented, and the waterproof performance of the supporting roller can be improved.
[0038] Embodiment two
[0039] Reference Figures 1-9 On the basis of embodiment one, the connecting mechanism 3 further comprises a square plate 38 fixedly connected to the front and rear surfaces of the bushing 2, a square groove 33 formed in the interiors of the first connecting ring 1 and the second connecting ring 6, and an arc-shaped groove 31 formed in the interiors of the left and right sides of the first connecting ring 1 and the second connecting ring 6. The square plate 38 is inserted into the square groove 33, and the arc-shaped groove 31 is slidably connected with a ring-shaped sliding block 35. The outer sides of the left and right ring-shaped sliding blocks 35 are fixedly connected with fixed blocks 32, the sides of the left and right fixed blocks 32 away from the bushing 2 are fixedly connected with long plates 301, the sides of the long plates 301 close to the square plate 38 are fixedly connected with mounting blocks 37, the interior of the side of the square plate 38 away from the bushing 2 is formed with a rectangular groove 39, the left and right sides of the square plate 38 are fixedly connected with nuts 36, and the interiors of the nuts 36 and the mounting blocks 37 are threadedly connected with screw rods 34. The interiors of the upper and lower rectangular grooves 39 away from the bushing 2 are open, and the surface of the mounting block 37 is inserted into the interior of the rectangular groove 39.
[0040] Further, the square plate 38 is inserted into the rectangular groove 39, the fixed blocks 32 are driven to drive the ring-shaped sliding blocks 35 to slide in the arc-shaped grooves 31, the long plates 301 are driven to move, the mounting blocks 37 are inserted into the rectangular grooves 39, and the screw rods 34 are threadedly inserted into the nuts 36, so that the first connecting ring 1 and the second connecting ring 6 can be preliminarily arranged on the surface of the bushing 2, and the first connecting ring 1 and the second connecting ring 6 are fixedly connected to the surface of the supporting roller 5.
[0041] The sealing layer material is selected according to the working characteristics and stress conditions of different sealing layers. For example, the O-shaped sealing ring close to the roller body on the inner side can be made of silicone rubber material, which has good high and low temperature resistance and flexibility, and can adapt to the temperature change and slight deformation of the roller body during operation. The felt ring seal on the outer side can be made of wool felt material, which has strong moisture absorption and can effectively absorb water, and has low cost.
[0042] In actual operation, when the device is used, the stop mouth table 21 is aligned and placed in the stop mouth 51, at this time the insert sleeve 2 is arranged on the surface of the supporting roller 5, the temperature is determined based on the interference fit between the roller sleeve and the roller core and the set gap value, and the supporting roller is heated by the differential temperature furnace, so that the roller sleeve expands and forms a gap fit with the roller core. When the first connecting ring 1 and the second connecting ring 6 are placed on the surface of the insert sleeve 2 again, the square plate 38 is inserted into the rectangular groove 39, and the insertion plate 416 is inserted into the insertion groove 417. When the fixed block 32 drives the annular sliding block 35 to slide in the arc-shaped groove 31, the fixed block 32 drives the long plate 301 to move, and the long plate 301 drives the mounting block 37 to be inserted into the rectangular groove 39. By screwing the screw rod 34 into the nut 36, the first connecting ring 1 and the second connecting ring 6 can be preliminarily arranged on the surface of the insert sleeve 2, so that the first connecting ring 1 and the second connecting ring 6 cooperate to fix the insert sleeve 2 on the surface of the supporting roller 5.
[0043] Under the rebounding force of the spring 414, the connecting plate 411 slides on the surface of the connecting rod 413 until the long block 415 is inserted into the long groove 418. The sliding groove 427 drives the sliding block 421 to slide in the sliding groove 427, and the supporting plate 426 drives the fixed plate 425, the fixed plate 425 drives the insertion rod 423 to be inserted into the insertion hole 422, and the screw 424 is used to threadedly fix the circular table 412 and the fixed plate 425. The first connecting ring 1 and the second connecting ring 6 can be further fixed on the surface of the insert sleeve 2, and a certain pressure is applied to the insert sleeve 2, so that even if there is a certain degree of jumping and deformation during the operation of the roller body, a gap can be avoided between the insert sleeve 2 and the supporting roller 5, water penetration can be prevented, and the waterproof performance of the supporting roller can be improved.
[0044] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.
Claims
1. A waterproof sealing structure of a bushing supported roll, comprising a first connecting ring (1), a bushing (2), a supported roll (5) and a second connecting ring (6), characterized in that: The insert sleeve (2) is sleeved on the surface of the supporting roller (5), assembling mechanisms (4) are arranged on the first connecting ring (1) and the second connecting ring (6), connecting mechanisms (3) are arranged on the insert sleeve (2), the first connecting ring (1) and the second connecting ring (6), a stop opening (51) is arranged on the surface of the supporting roller (5), a stop opening base (21) is fixedly connected to the inner ring of the insert sleeve (2), and the surface of the stop opening base (21) is inserted into the inside of the stop opening (51). The assembling mechanism (4) comprises an inserting assembly (41) and a limiting assembly (42), and the limiting assembly (42) is arranged on the inserting assembly (41). The inserting assembly (41) comprises an inserting groove (417), the inserting groove (417) is arranged on the back surface of the first connecting ring (1), the front surface of the second connecting ring (6) is fixedly connected with an inserting plate (416), the back surface of the inserting groove (417) is arranged as an opening, the surface of the inserting plate (416) is inserted into the inside of the inserting groove (417), a long groove (418) is arranged in the inside of the inserting groove (417), the openings of the long grooves (418) on the upper and lower sides are arranged in correspondence with each other, the upper and lower side surfaces of the second connecting ring (6) are respectively fixedly connected with connecting rods (413), the side surface, away from the second connecting ring (6), of each connecting rod (413) is fixedly connected with a circular table (412), the side, close to the second connecting ring (6), of the circular table (412) is fixedly connected with a spring (414), the other side of the spring (414) is fixedly connected with a connecting plate (411), and the other side of the connecting plate (411) is fixedly connected with a long block (415).
2. The water-tight seal structure of a cover supported roll according to claim 1, characterized in that: The surface of the long block (415) is inserted through the through grooves arranged in the inside of the upper and lower sides of the first connecting ring (1).
3. The water-tight seal for a cover roll as set forth in claim 1, wherein: The spring (414) is sleeved on the surface of the connecting rod (413), and the inside of the connecting plate (411) is slidingly connected with the surface of the connecting rod (413).
4. The water-tight seal for a cover roll as set forth in claim 1, wherein: The limiting assembly (42) comprises an inserting hole groove (422), the inserting hole groove (422) is arranged in the inside of the connecting rod (413), a sliding groove (427) is arranged in the inside of the side, away from the second connecting ring (6), of the connecting plate (411), a sliding block (421) is slidingly connected in the inside of the sliding groove (427), the side, away from the second connecting ring (6), of the sliding block (421) is fixedly connected with a supporting plate (426), the side, close to the connecting rod (413), of the supporting plate (426) is fixedly connected with a fixed plate (425), the other side of the fixed plate (425) is fixedly connected with an inserting rod (423), and the inside of the fixed plate (425) and the circular table (412) are screwedly connected with a bolt (424).
5. The water-tight seal for a cover roll as set forth in claim 4, wherein: The inside of the inserting hole groove (422) is inserted with the surface of the inserting rod (423), and the inserting rod (423) is arranged on the side, away from the second connecting ring (6), of the circular table (412).
6. The water-tight seal for a cover roll as set forth in claim 1, wherein: The connecting mechanism (3) comprises a square plate (38) fixedly connected to the front and rear surfaces of the insert sleeve (2), square grooves (33) are formed in the interiors of the first connecting ring (1) and the second connecting ring (6), arc-shaped grooves (31) are formed in the interiors of the left and right sides of the first connecting ring (1) and the second connecting ring (6), the square plate (38) is inserted into the interiors of the square grooves (33), annular sliding blocks (35) are slidably connected to the interiors of the arc-shaped grooves (31), the left and right sides of the annular sliding blocks (35) are fixedly connected with fixed blocks (32), the left and right sides of the fixed blocks (32) are fixedly connected with long plates (301) away from the insert sleeve (2), the long plates (301) are fixedly connected with mounting blocks (37) close to the square plate (38), rectangular grooves (39) are formed in the interiors of the square plate (38) away from the insert sleeve (2), the left and right sides of the square plate (38) are fixedly connected with nuts (36), and the interiors of the nuts (36) and the mounting blocks (37) are threadedly connected with screw rods (34).
7. The water-tight seal of a cover supported roll according to claim 6, characterized in that: The left and right sides of the rectangular grooves (39) are provided with openings away from the insert sleeve (2), and the surface of the mounting block (37) is inserted into the interior of the rectangular groove (39).