CN217602870U - Novel compressor sealing device - Google Patents
Novel compressor sealing device Download PDFInfo
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- CN217602870U CN217602870U CN202221217117.1U CN202221217117U CN217602870U CN 217602870 U CN217602870 U CN 217602870U CN 202221217117 U CN202221217117 U CN 202221217117U CN 217602870 U CN217602870 U CN 217602870U
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Abstract
The utility model discloses a novel compressor sealing device, including connecting plate, packing section of thick bamboo and end axle connecting block, the fixed section of thick bamboo of fixedly connected with in the packing section of thick bamboo, be provided with choking ring and sealing ring in the fixed section of thick bamboo, packing section of thick bamboo tip side is provided with the slot, connecting plate side fixedly connected with inserted bar, the inserted bar is pegged graft in the slot, it is provided with the check lock lever to run through on the packing section of thick bamboo outer wall. This kind of novel compressor sealing device passes through the laminating of the pole body of choking ring and sealing ring and piston rod, realizes the sealing to the piston rod, when the piston rod no longer moves, utilize the sealing washer of choking ring side to realize sealing, sealed effect when improving the static pressure, the inserted bar that utilizes slot on the packing section of thick bamboo and connecting plate side realizes the connection to the packing section of thick bamboo, it is fixed to utilize the locking lever to lock the packing section of thick bamboo, be convenient for carry out the dismouting to the packing section of thick bamboo, the realization is to the change of packing, simplify the dismouting step.
Description
Technical Field
The utility model relates to a compressor technical field specifically is a novel compressor sealing device.
Background
The piston rod of compressor has multiple sealing means, common sealing means has packing seal and hydraulic seal, but in the sealing means of packing, because the friction between piston rod and the packing, and external reason, very easily lead to the packing to damage, perhaps a packing section of thick bamboo, the not hard up of packing box, need carry out the dismouting to sealing device, sealing device's dismouting is comparatively complicated among the prior art, bring inconvenience to whole work, and in order to deal with the filler inflation, leave the clearance between filler and the packing box, when the compressor is in the shut down state, the clearance between filler and the packing box makes when static pressure sealed effect not good. To this end, we propose a new compressor sealing device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel compressor sealing device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel compressor sealing device, includes connecting plate, a packing section of thick bamboo and end shaft connecting block, connecting plate, a packing section of thick bamboo and end shaft connecting block connect gradually, the fixed section of thick bamboo of fixedly connected with in the packing section of thick bamboo, be provided with choking ring and sealing ring in the fixed section of thick bamboo, the internal diameter of choking ring is less than the internal diameter of sealing ring, packing section of thick bamboo tip side is provided with the slot, connecting plate side fixedly connected with inserted bar, the inserted bar is pegged graft in the slot, be provided with the locking groove on the inserted bar, it is provided with the check lock lever to run through on the packing section of thick bamboo outer wall, check lock lever one end is pegged graft in the locking groove, and other end fixedly connected with arm-tie, be provided with the spring between check arm-tie and the packing section of thick bamboo outer wall.
Preferably, the fixed cylinder comprises a first cylinder body and a second cylinder body, the first cylinder body is fixedly connected to the side surface of the second cylinder body, the first cylinder body and the second cylinder body are sequentially arranged inside the filling cylinder, and the inner diameter of the first cylinder body is larger than that of the second cylinder body.
Preferably, a locking spring is arranged on the outer side of the sealing ring.
Preferably, a gap is formed between the flow blocking ring and the outer wall of the adjacent fixed cylinder, and a sealing ring is arranged on one side of the flow blocking ring.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of novel compressor sealing device passes through the inside choking ring of solid fixed cylinder and the laminating of the pole body of sealing ring and piston rod, realize the sealed to the piston rod, avoid appearing the condition of leaking, when the piston rod is in the motion process, with sealing ring and choking ring friction thermogenesis, sealing ring and choking ring thermal expansion, make the pole body of sealing ring and choking ring hug closely the piston rod at the in-process that the piston rod removed, and when the piston rod no longer removes, utilize the sealing washer of choking ring side to realize sealed, avoid the compressor to take place to leak under quiescent condition, sealed effect when improving static pressure, the inserted bar that slot on the packing tube and connecting plate side are utilized realizes the connection to the packing tube, it is fixed to utilize the locking bar to lock the packing tube, be convenient for carry out the dismouting to the packing tube, realize the change of packing, simplify the dismouting step.
Drawings
Fig. 1 is a side sectional view of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is an enlarged schematic view at B of FIG. 1;
fig. 4 is a schematic view of the three-dimensional structure of the present invention.
In the figure: the device comprises a connecting plate 1, a packing cylinder 2, a fixed cylinder 3, a first cylinder 4, a second cylinder 5, a choke ring 6, a sealing ring 7, a locking spring 8, a sealing ring 9, an end shaft connecting block 10, a slot 11, an inserted rod 12, a locking groove 13, a locking rod 14, a pulling plate 15 and a spring 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a novel compressor sealing device comprises a connecting plate 1, a packing cylinder 2 and an end shaft connecting block 10, wherein the connecting plate 1, the packing cylinder 2 and the end shaft connecting block 10 are sequentially connected, a bolt assembly is arranged on the connecting plate 1, a plurality of groups of bolts are arranged in an annular mode, the sealing device can be connected inside a compressor by using the connecting plate 1, holes are formed in the middle of the connecting plate 1, the packing cylinder 2 and the end shaft connecting block 10, a piston rod of the compressor can pass through the connecting plate 1, sealing filler is located in the packing cylinder 2, the outer surface of the piston rod is sealed by the filler, the piston rod is further well sealed, and the leakage condition is avoided;
the packing cylinder 2 is internally and fixedly connected with a fixed cylinder 3, a choke ring 6 and a sealing ring 7 are arranged in the fixed cylinder 3, the fixed cylinder 3 comprises a first cylinder 4 and a second cylinder 5, the first cylinder 4 is fixedly connected with the side surface of the second cylinder 5, the first cylinder 4 and the second cylinder 5 are sequentially arranged in the packing cylinder 2, the inner diameter of the first cylinder 4 is larger than the inner diameter of the second cylinder 5, the first cylinder 4 and the second cylinder 5 are mutually matched to form an integral structure of the fixed cylinder 3, so that the fixed cylinder 3 is internally provided with a through hole with a larger inner diameter and a through hole with a smaller inner diameter, the cross section of the fixed cylinder 3 is L-shaped, the packing cylinder 2 is internally provided with a plurality of fixed cylinders 3, and the adjacent fixed cylinders 3 are butted together, the packing is filled in the packing cylinder 2 to form a packing groove, the flow blocking ring 6 and the sealing rings 7 are arranged in the fixed cylinder 3 in groups, as shown in fig. 1, one flow blocking ring 6 and two sealing rings 7 form a group of packing and are arranged in one fixed cylinder 3, the side surface of the flow blocking ring 6 is abutted against the side surface of the outer wall of the second cylinder 5 of the fixed cylinder 3, the side surface of the sealing ring 7 is abutted against the inner wall of the second cylinder 5, a piston rod penetrates through the flow blocking ring 6 and the sealing rings 7, the two sealing rings 7 can be connected through a connecting pin, the sealing area is larger due to the two sealing rings 7, the sealing effect is better, the two sealing rings 7 are connected through the connecting pin to form a whole, and the integrity is better;
the inner diameter of the flow blocking ring 6 is smaller than that of the sealing ring 7, and the flow blocking ring 6 and the sealing ring 7 are matched with each other and tightly attached to the outer wall rod body of the piston rod to seal the piston rod, so that the sealing performance is improved;
a locking spring 8 is arranged on the outer side of the sealing ring 7, and the locking spring 8 hoops the sealing ring 7 inwards so that the inner wall of the sealing ring 7 is tightly attached to the piston rod penetrating through the sealing ring 7, and the sealing ring 7 can better seal the surface of the piston rod;
a gap is formed between the flow choking ring 6 and the outer wall of the adjacent fixed cylinder 3, a sealing ring 9 is arranged on one side of the flow choking ring 6, heat is generated by friction between the flow choking ring 6 and the sealing ring 7 in the motion process of the piston rod, the flow choking ring 6 and the sealing ring 7 expand, in order to avoid the expansion of the flow choking ring 6 and the sealing ring 7, which causes the expansion between the flow choking ring 6 and the sealing ring 7 and the piston rod, and further cause the piston rod to be difficult to stretch, therefore, the gap is formed between the flow choking ring 6 and the outer wall of the adjacent fixed cylinder 3, the expansion volume is absorbed through the gap, the expansion between the flow choking ring 6 and the sealing ring 7 and the piston rod is effectively avoided, meanwhile, the flow choking ring 6 and the sealing ring 7 contract under the non-heating state, the gap is enlarged, the sealing ring 9 can seal the gap under the elastic action, the leakage is avoided when the compressor is in the shutdown state, and the sealing performance is ensured;
the side face of the end part of the packing cylinder 2 is provided with a slot 11, the side face of the connecting plate 1 is fixedly connected with an insertion rod 12, the insertion rod 12 is inserted in the slot 11, a locking groove 13 is formed in the insertion rod 12, a locking rod 14 penetrates through the outer wall of the packing cylinder 2, one end of the locking rod 14 is inserted in the locking groove 13, the other end of the locking rod 14 is fixedly connected with a pull plate 15, a spring 16 is arranged between the pull plate 15 and the outer wall of the packing cylinder 2, the insertion rod 12 is inserted in the slot 11 when the packing cylinder 2 and the connecting plate 1 on the side face are connected, the insertion connection between the packing cylinder 2 and the connecting plate 1 is realized, in the insertion process, the spring 16 is compressed, the locking rod 14 is far away from the slot 11 until the insertion rod 12 is completely inserted into the slot 11, under the elastic action of the spring 16, the end part of the locking rod 14 is inserted into the locking groove 13, the locking and fixing of the insertion rod 12 is realized, the insertion rod 12 is effectively prevented from being easily separated from the slot 11, the installation process of the packing cylinder 2 is simplified, when the packing cylinder 2 needs to be disassembled, when the inner packing is replaced, the inner packing, the locking rod 14 is pulled out by utilizing the pull plate 15 until the locking rod 14 is separated from the slot 13, the insertion rod 13, and the insertion rod 11 can be disassembled conveniently, and the disassembly process can be completed conveniently.
When the sealing device is used, when the packing cylinder 2 and the lateral connecting plate 1 are connected, the insertion rod 12 is inserted into the slot 11, the insertion connection of the packing cylinder 2 and the connecting plate 1 is realized, in the insertion process, the spring 16 is compressed, the locking rod 14 is far away from the slot 11, until the insertion rod 12 is completely inserted into the slot 11, under the elastic action of the spring 16, the end part of the locking rod 14 is inserted into the locking groove 13, the locking and fixing of the insertion rod 12 are realized, the insertion rod 12 is effectively prevented from being easily separated from the slot 11, the installation process of the packing cylinder 2 is simplified, when the packing cylinder 2 needs to be disassembled, when the internal packing is replaced, the locking rod 14 is pulled out by using the pull plate 15 until the locking rod 14 is separated from the locking groove 13, then the insertion rod 12 is pulled out of the slot 11, the disassembly process is more convenient, the piston rod penetrates through the interior of the packing cylinder 2, the rod body of the piston rod is abutted against the inner walls of the choke ring 6 and the sealing ring 7, the outer surface of the choke ring 6 is sealed, further, the leakage of the piston rod is prevented, in the sealing ring from being moved, and the sealing gap is prevented from being leaked when the sealing ring 7, and the sealing ring is not leaked, and the sealing gap is not leaked under the sealing state, and the sealing state of the compressor, and the sealing ring is prevented from being leaked.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a novel compressor sealing device, includes connecting plate (1), packing section of thick bamboo (2) and end axle connecting block (10), its characterized in that: the packing device is characterized in that the connecting plate (1), the packing cylinder (2) and the end shaft connecting block (10) are sequentially connected, a fixed cylinder (3) is fixedly connected in the packing cylinder (2), a choke ring (6) and a sealing ring (7) are arranged in the fixed cylinder (3), the inner diameter of the choke ring (6) is smaller than that of the sealing ring (7), a slot (11) is formed in the side face of the end portion of the packing cylinder (2), an inserted rod (12) is fixedly connected to the side face of the connecting plate (1), the inserted rod (12) is inserted in the slot (11), a locking groove (13) is formed in the inserted rod (12), a locking rod (14) penetrates through the outer wall of the packing cylinder (2), one end of the locking rod (14) is inserted in the locking groove (13), a pull plate (15) is fixedly connected to the other end of the locking rod, and a spring (16) is arranged between the pull plate (15) and the outer wall of the packing cylinder (2).
2. The novel compressor sealing device according to claim 1, characterized in that: the fixed cylinder (3) comprises a first cylinder body (4) and a second cylinder body (5), the first cylinder body (4) is fixedly connected to the side face of the second cylinder body (5), the first cylinder body (4) and the second cylinder body (5) are sequentially arranged inside the packing cylinder (2), and the inner diameter of the first cylinder body (4) is larger than that of the second cylinder body (5).
3. The novel compressor sealing device according to claim 1, characterized in that: and a locking spring (8) is arranged on the outer side of the sealing ring (7).
4. The novel compressor sealing device according to claim 1, characterized in that: a gap is formed between the flow blocking ring (6) and the outer wall of the adjacent fixed cylinder (3), and a sealing ring (9) is arranged on one side of the flow blocking ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221217117.1U CN217602870U (en) | 2022-05-18 | 2022-05-18 | Novel compressor sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221217117.1U CN217602870U (en) | 2022-05-18 | 2022-05-18 | Novel compressor sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217602870U true CN217602870U (en) | 2022-10-18 |
Family
ID=83568854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221217117.1U Active CN217602870U (en) | 2022-05-18 | 2022-05-18 | Novel compressor sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217602870U (en) |
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2022
- 2022-05-18 CN CN202221217117.1U patent/CN217602870U/en active Active
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