Sealing ring with groove-shaped structure
By designing a grooved sealing ring and utilizing the cooperation of insert rods and levers, the problems of poor sealing effect and high temperature rise of traditional graphite rings are solved, achieving convenient installation and low temperature rise sealing effect, which is suitable for sealing flammable and explosive media.
Patent Information
- Application Number
- CN202520082614.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Traditional graphite ring sealing devices have poor sealing performance, high temperature rise, and are inconvenient to install, and cannot effectively prevent the leakage of flammable and explosive media.
A groove-shaped sealing ring is designed, including an outer sealing ring and an inner sealing ring. The inner sealing ring is provided with a sealing groove, and the outer sealing ring is composed of a first semicircular ring and a second semicircular ring. The ring is conveniently installed through the cooperation of a plug rod and a lever, and is fixed by a limit block and bolts to reduce the contact surface with the spindle.
It achieves reliable sealing, convenient disassembly and assembly, reduced temperature rise, is suitable for sealing special media, and has low cost.
Smart Images
Figure CN223594969U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of sealing ring, concretely is a groove type structure sealing ring. BACKGROUND
[0002] With the rapid development of national economy, advocating the use of energy-saving environmental protection products has become mainstream, in the power, environmental protection, chemical industry and other technical fields, conveying flammable and explosive medium gas requires that the sealing device of the conveying medium equipment can effectively prevent leakage, the traditional graphite ring sealing device, generally with the main shaft contact surface adopts full plane, its sealing not only effect is poor, and temperature rise is higher, the sealing surface is easy to leak, and it is inconvenient to install, therefore the application provides a groove type structure sealing ring. SUMMARY
[0003] In order to solve the problems in the above background art, the utility model provides the following technical scheme: a groove type structure sealing ring, including shaft body and sealing assembly, sealing assembly is sleeved on the shaft body, sealing assembly includes outer sealing ring and inner sealing ring, the outer sealing ring is sleeved on the outside of the inner sealing ring, the inner sealing ring is sleeved on the shaft body, the inner wall of the inner sealing ring is provided with a sealing groove, and the inner wall of the inner sealing ring is tightly combined with the outer wall of the shaft body, the outer sealing ring includes first semicircle ring and second semicircle ring, the first semicircle ring and the second semicircle ring are symmetrically spliced into a circular ring, a circular arc shaped rod groove and a slot are formed at the mutual staggered ends of the first semicircle ring and the second semicircle ring respectively, the rod groove at one end of the first semicircle ring is aligned with the slot at one end of the second semicircle ring, the rod groove at one end of the second semicircle ring is aligned with the slot at one end of the first semicircle ring, and the circular arc shaped plug rod is movably inserted into the two rod grooves, one end of the two plug rods can be inserted into the corresponding slot.
[0004] Further, the plug rod is a quarter circular arc, the rod groove is a shape matched with the plug rod, and the slot is an eighth circular arc.
[0005] Further, the surface of the first semicircle ring and the second semicircle ring is provided with a slot opening communicated with the corresponding rod groove, and the inner end of the two plug rods in the rod groove is fixedly provided with a lever.
[0006] Further, the middle position of the bottom of the two rod grooves is provided with a screw groove, when one end of the plug rod is inserted into the rod groove and the slot, the position of the lever on the plug rod is aligned with the position of the screw groove in the rod groove, and the two levers are provided with bolts, and the two bolts are inserted into the lever and the plug rod and are screwed into the screw groove at the bottom of the rod groove.
[0007] Further, the inner walls of the first half ring and the second half ring are provided with arranged limiting grooves, the outer wall of the inner sealing ring is uniformly and fixedly provided with limiting blocks in number same with the limiting grooves, and the plurality of limiting blocks on the outer wall of the inner sealing ring are respectively clamped in the corresponding limiting grooves.
[0008] Further, the centers of the first half ring, the second half ring, the rod groove, the insertion groove, the insertion rod and the notch are located on the same axis.
[0009] Compared with the prior art, the utility model has the advantages of simple structure, reliable sealing, convenient dismounting, reduced contact area with the main shaft, effectively reduced temperature rise, low manufacturing cost and sealing special medium.
[0010] The sealing member has the advantages of simple structure, reliable sealing, convenient dismounting, reduced contact area with the main shaft, effectively reduced temperature rise, low manufacturing cost and sealing special medium. BRIEF DESCRIPTION OF DRAWINGS
[0011] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model.
[0012] Figure 1 It is the structure schematic diagram of the utility model as a whole;
[0013] Figure 2 It is the sectional structure schematic diagram of the utility model that outer sealing ring and inner sealing ring are connected;
[0014] Figure 3 It is the structure schematic diagram of the utility model that outer sealing ring and inner sealing ring are viewed from above;
[0015] Figure 4 It is the sectional structure schematic diagram of the utility model that outer sealing ring and inner sealing ring are viewed from above;
[0016] Figure 5 It is the sectional structure schematic diagram of the utility model that outer sealing ring is viewed from above;
[0017] In the drawing: 1, shaft body;2, outer sealing ring;21, first half ring;22, second half ring;3, inner sealing ring;4, sealing groove;5, limiting block;6, limiting groove;7, rod groove;8, insertion groove;9, insertion rod;10, notch;11, push rod;12, bolt;13, screw groove. DETAILED DESCRIPTION
[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments; based on the embodiments of the present application, all the other embodiments obtained by those ordinarily skilled in the art without creative effort fall within the protection scope of the present application.
[0019] By Figures 1-5 The utility model discloses a sealing assembly and shaft body, the sealing assembly is sleeved on the shaft body 1, and the sealing assembly includes outer sealing ring 2 and inner sealing ring 3, and the outer sealing ring 2 is sleeved on the outside of inner sealing ring 3, and the inner sealing ring 3 is sleeved on the shaft body 1, and the inner wall of inner sealing ring 3 is provided with sealing groove 4, and the inner wall of inner sealing ring 3 is tightly combined with the outer wall of shaft body 1, and the outer sealing ring 2 includes first half ring 21 and second half ring 22, and the first half ring 21 and second half ring 22 are symmetrically spliced into annular shape, and the mutually staggered end of first half ring 21 and second half ring 22 is respectively provided with arc-shaped rod groove 7 and insertion slot 8, and the rod groove 7 of one end of first half ring 21 is aligned with the insertion slot 8 of one end of second half ring 22, and the rod groove 7 of one end of second half ring 22 is aligned with the insertion slot 8 of one end of first half ring 21, and the arc-shaped insertion rod 9 is movably inserted in the two rod grooves 7, and the one end of two insertion rods 9 can be stretched out of the rod groove 7 and inserted in the corresponding insertion slot 8, under the action of sealing groove 4 on the inner wall of inner sealing ring 3, the contact surface of the inner wall of inner sealing ring 3 and the outer wall of shaft body 1 is reduced, the temperature rise can be effectively reduced, the manufacturing cost is low, and it is suitable for sealing special medium etc.
[0020] As Figure 3 And Figure 4 Shown, insertion rod 9 is set up as quarter circular arc, and rod groove 7 is set up as the shape of being suitable for insertion rod 9, and insertion slot 8 is set up as eighth circular arc, by letting insertion rod 9 rotate 45 DEG clockwise in rod groove 7, can let the one end of insertion rod 9 stretch out of rod groove 7 and insert in corresponding insertion slot 8, by the insertion of two insertion rods 9 and then the position of insertion rod 9 is fixed, so that first half ring 21 and second half ring 22 can be stably docked together.
[0021] As Figure 3 And Figure 4 Shown, the surface of first half ring 21 and second half ring 22 is provided with the slot 10 of being communicated with corresponding rod groove 7, and the inner end of two insertion rods 9 located in rod groove 7 is fixedly installed with the lever 11, and two levers 11 are located in corresponding slot 10 respectively, by the lever of lever 11 and makes it move in slot 10, so as to drive insertion rod 9 and move to rod groove 7 and insert in insertion slot 8.
[0022] As Figure 4 And Figure 5As shown, the two rod grooves 7 are provided with screw grooves 13 at the middle positions of the bottoms, when one end of the plug rod 9 extends out of the rod groove 7 and is inserted into the plug groove 8, the positions of the push rods 11 on the plug rod 9 are aligned with the positions of the screw grooves 13 in the rod groove 7, the two push rods 11 are provided with bolts 12, the two bolts 12 are threaded into the screw grooves 13 at the bottoms of the rod grooves 7 through the push rods 11 and the plug rod 9, the positions of the plug rod 9 in the rod groove 7 and the plug groove 8 are fixed through the connection of the bolts 12 and the screw grooves 13, so that the splicing of the first half circular ring 21 and the second half circular ring 22 can be completed.
[0023] As shown in Figure 2 and Figure 4 As shown, the inner walls of the first half circular ring 21 and the second half circular ring 22 are provided with a plurality of limiting grooves 6 arranged in order, the outer wall of the inner sealing ring 3 is uniformly and fixedly provided with a plurality of limiting blocks 5 which are the same in number as the limiting grooves 6, and the plurality of limiting blocks 5 on the outer wall of the inner sealing ring 3 are respectively clamped in the corresponding limiting grooves 6, the positions of the inner sealing ring 3 can be fixed between the outer sealing rings 2 through the mutual clamping of the limiting grooves 6 and the limiting blocks 5.
[0024] As shown in Figure 3 and Figure 4 As shown, the centers of the first half circular ring 21, the second half circular ring 22, the rod groove 7, the plug groove 8, the plug rod 9 and the slot 10 are located on the same axis.
[0025] It should be noted that, in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants 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.
[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A groove type structure seal ring comprising a shaft body (1) and a seal assembly, characterized in that: The sealing assembly is sleeved on the shaft body (1), and comprises an outer sealing ring (2) and an inner sealing ring (3), the outer sealing ring (2) is sleeved outside the inner sealing ring (3), the inner sealing ring (3) is sleeved on the shaft body (1), a sealing groove (4) is formed in the inner wall of the inner sealing ring (3), and the inner wall of the inner sealing ring (3) is tightly attached to the outer wall of the shaft body (1), the outer sealing ring (2) comprises a first semicircular ring (21) and a second semicircular ring (22), the first semicircular ring (21) and the second semicircular ring (22) are symmetrically spliced into a circular ring, an arc-shaped rod groove (7) and an insertion groove (8) are formed in the mutually staggered ends of the first semicircular ring (21) and the second semicircular ring (22) respectively, the rod groove (7) at one end of the first semicircular ring (21) is aligned with the insertion groove (8) at one end of the second semicircular ring (22), the rod groove (7) at one end of the second semicircular ring (22) is aligned with the insertion groove (8) at one end of the first semicircular ring (21), and arc-shaped insertion rods (9) are movably inserted into the two rod grooves (7), and one end of the two insertion rods (9) can extend out of the rod groove (7) and be inserted into the corresponding insertion groove (8).
2. A grooved mechanical seal ring according to claim 1, wherein: The insertion rod (9) is arranged in the shape of a quarter of a circle, the rod groove (7) is arranged in a shape matched with the insertion rod (9), and the insertion groove (8) is arranged in the shape of an eighth of a circle.
3. A grooved mechanical seal ring as set forth in claim 1 wherein: The surfaces of the first semicircular ring (21) and the second semicircular ring (22) are provided with slot openings (10) in communication with the corresponding rod grooves (7), the inner ends of the two insertion rods (9) in the rod grooves (7) are fixedly provided with a lever (11), and the two levers (11) are located in the corresponding slot openings (10) respectively.
4. A grooved mechanical seal ring according to claim 3, wherein: Screw grooves (13) are formed in the middle positions of the bottoms of the two rod grooves (7), when one end of the insertion rod (9) extends out of the rod groove (7) and is inserted into the insertion groove (8), the position of the lever (11) on the insertion rod (9) is aligned with the position of the screw groove (13) in the rod groove (7), and screws (12) are arranged on the two levers (11), and the two screws (12) penetrate the lever (11) and the insertion rod (9) and are screwed into the screw grooves (13) in the bottoms of the rod grooves (7).
5. A grooved mechanical seal ring as set forth in claim 1 wherein: The inner walls of the first semicircular ring (21) and the second semicircular ring (22) are provided with a plurality of limiting grooves (6) arranged in an orderly manner, and the outer wall of the inner sealing ring (3) is uniformly and fixedly provided with a plurality of limiting blocks (5) in the same number as the limiting grooves (6), and the plurality of limiting blocks (5) on the outer wall of the inner sealing ring (3) are respectively clamped in the corresponding limiting grooves (6).
6. A grooved mechanical seal ring according to claim 4, wherein: The centers of the first semicircular ring (21), the second semicircular ring (22), the rod groove (7), the insertion groove (8), the insertion rod (9) and the slot opening (10) are located on the same axis.