CN214999388U - 221 explosion-proof type mechanical seal - Google Patents
221 explosion-proof type mechanical seal Download PDFInfo
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- CN214999388U CN214999388U CN202121687336.1U CN202121687336U CN214999388U CN 214999388 U CN214999388 U CN 214999388U CN 202121687336 U CN202121687336 U CN 202121687336U CN 214999388 U CN214999388 U CN 214999388U
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Abstract
The utility model discloses a 221 explosion-proof mechanical seal, which belongs to the field of mechanical seal and comprises a sheath and a shaft sleeve, wherein an explosion-proof ring is fixedly arranged on the inner wall of the sheath, a first sealing ring is fixedly arranged on the inner wall of the explosion-proof ring, a second sealing ring is fixedly arranged on the inner wall of the shaft sleeve, a connecting plate is fixedly arranged on the surface of the shaft sleeve symmetrically, a first round hole is arranged on the surface of the connecting plate, a second round hole is arranged on the surface of the sheath symmetrically, the explosion-proof and sealing effects of the machine can be improved through the arrangement of the explosion-proof ring, the first sealing ring and the second sealing ring, the installation and the use of people are convenient under the action of a pressure-resistant ring and a rubber ring, a threaded rod can be installed through the action of the first round hole and the second round hole, the installation stability of the connecting plate can be ensured under the action of the cushion ring and a fastening ring, the fastening bolt can be fixed through the action of a threaded hole, thereby the limit treatment can be carried out on the limit hole, guarantee the installation fastening effect of threaded rod, improve the stability of axle sleeve.
Description
Technical Field
The utility model relates to a mechanical seal field, more specifically say, relate to an explosion-proof type mechanical seal of 221.
Background
The mechanical seal is a device for solving the problem of sealing between a rotating shaft and a machine body, is commonly used for rotary fluid machines such as pumps, compressors, reaction stirring kettles and the like, and is also used for sealing gear boxes, valves, rotary joints, ship tail shafts and the like.
However, most 221 explosion-proof mechanical seals also have certain defects, such as weak mechanical explosion-proof and sealing effects, inconvenient long-term use, and poor installation stability of the shaft sleeve.
SUMMERY OF THE UTILITY MODEL
Problem to exist among the prior art, an object of the utility model is to provide a 221 explosion-proof type mechanical seal, it passes through explosion-proof ring, first sealing ring, the setting of second sealing ring, can improve mechanical explosion-proof, sealed effect, and at the resistance to pressure ring, under the effect of rubber ring, people's of being convenient for installation is used, through first round hole, the effect of second round hole, can install the screw rod, and at the backing ring, under the effect of tighrening ring, the installation of assurance connecting plate is stable, effect through the screw hole, can fix the gim peg, thereby carry out spacing processing to spacing hole, guarantee the installation fastening effect of threaded rod, improve the stability of axle sleeve.
In order to solve the above problems, the utility model adopts the following technical proposal.
A221 explosion-proof mechanical seal comprises a sheath and a shaft sleeve, wherein an explosion-proof ring is fixedly mounted on the inner wall of the sheath, a first sealing ring is fixedly mounted on the inner wall of the explosion-proof ring, a second sealing ring is fixedly mounted on the inner wall of the shaft sleeve, a connecting plate is symmetrically and fixedly mounted on the surface of the shaft sleeve, a first round hole is formed in the surface of the connecting plate, a second round hole is symmetrically formed in the surface of the sheath, a threaded rod is fixedly mounted on the inner walls of the second round hole and the first round hole, a limiting hole is formed in the surface of the threaded rod, a threaded hole is formed in the inner wall of the second round hole, a fastening bolt is threadedly mounted on the inner wall of the threaded hole, the fastening bolt is fixedly connected with the limiting hole, the explosion-proof and sealing effects of the machine can be improved through the arrangement of the explosion-proof ring, the first sealing ring and the second sealing ring, and the installation and use of people are facilitated under the effects of a pressure-resistant ring and a rubber ring, through the effect of first round hole, second round hole, can install the screw rod to under the effect of backing ring, tighrening ring, guarantee that the installation of connecting plate is stable, through the effect of screw hole, can fix the fastening bolt, thereby carry out spacing processing to spacing hole, guarantee the installation fastening effect of threaded rod, improve the stability of axle sleeve.
Furthermore, the surface of the shaft sleeve is fixedly provided with a pressure ring, the surface of the pressure ring is fixedly provided with a rubber ring, and the pressure ring and the rubber ring are arranged to facilitate installation and use of people.
Furthermore, the surface symmetry slidable mounting of threaded rod has the backing ring, sliding connection between backing ring and the connecting plate is convenient for under the effect of backing ring, improves the fastening effect of tighrening ring.
Furthermore, the surface of the threaded rod is symmetrically provided with a fastening ring in a threaded manner, the fastening ring is fixedly connected with the backing ring, and the connection plate is convenient to install stably under the action of the fastening ring.
Furthermore, the surface equidistance of sheath is equipped with the mounting hole, and the inner wall screw thread of mounting hole installs the connection bolt, is convenient for under the effect of connection bolt, can carry out the wholeness installation to the sheath.
Compared with the prior art, the utility model has the advantages of:
(1) this scheme is through explosion-proof ring, first sealing ring, the setting of second sealing ring, can improve mechanical explosion-proof, sealed effect, and at the resistance to pressure ring, under the effect of rubber ring, the people's of being convenient for installation and use, through first round hole, the effect of second round hole, can install the screw rod, and at the backing ring, under the effect of tighrening ring, the installation of assurance connecting plate is stable, through the effect of screw hole, can fix the gim peg, thereby carry out spacing processing to spacing hole, guarantee the installation fastening effect of threaded rod, the stability of improvement axle sleeve.
(2) The surface fixed mounting of axle sleeve has the pressure ring, and the fixed surface of pressure ring has the rubber ring, through the setting of pressure ring, rubber ring, and the installation of the people of being convenient for is used.
(3) The surface symmetry slidable mounting of threaded rod has the backing ring, sliding connection between backing ring and the connecting plate, is convenient for under the effect of backing ring, improves the fastening effect of tighrening ring.
(4) The fastening ring is installed to the surperficial symmetry screw thread of threaded rod, and fastening connection between fastening ring and the backing ring is convenient for under the effect of fastening ring, guarantees that the installation of connecting plate is stable.
(5) The surperficial equidistance of sheath is equipped with the mounting hole, and the inner wall screw thread of mounting hole installs the connection bolt, is convenient for under the effect of connection bolt, can carry out the wholeness installation to the sheath.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 3 is a sectional view of the sheath of the present invention in a top view.
The reference numbers in the figures illustrate:
1 sheath, 2 axle sleeves, 3 explosion-proof rings, 4 first sealing rings, 5 second sealing rings, 6 pressure-resistant rings, 7 rubber rings, 8 connecting plates, 9 first round holes, 10 second round holes, 11 threaded rods, 12 backing rings, 13 fastening rings, 14 limiting holes, 15 threaded holes, 16 fastening bolts, 17 mounting holes and 18 connecting bolts.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, a 221 explosion-proof mechanical seal comprises a sheath 1 and a shaft sleeve 2, referring to fig. 1-3, an explosion-proof ring 3 is fixedly mounted on the inner wall of the sheath 1, a first sealing ring 4 is fixedly mounted on the inner wall of the explosion-proof ring 3, a second sealing ring 5 is fixedly mounted on the inner wall of the shaft sleeve 2, a pressure ring 6 is fixedly mounted on the surface of the shaft sleeve 2, a rubber ring 7 is fixedly mounted on the surface of the pressure ring 6, the installation and use of people are facilitated by the arrangement of the pressure ring 6 and the rubber ring 7, a connecting plate 8 is symmetrically and fixedly mounted on the surface of the shaft sleeve 2, a first round hole 9 is arranged on the surface of the connecting plate 8, a second round hole 10 is symmetrically arranged on the surface of the sheath 1, a threaded rod 11 is fixedly mounted on the inner wall of the second round hole 10 and the first round hole 9, a backing ring 12 is symmetrically and slidably mounted on the surface of the threaded rod 11, and the backing ring 12 is slidably connected with the connecting plate 8, be convenient for under backing ring 12's effect, improve the fastening effect of tighrening ring 13, tighrening ring 13 is installed to the surface symmetry screw thread of threaded rod 11, fastening connection between tighrening ring 13 and the backing ring 12, be convenient for under tighrening ring 13's effect, it is stable to guarantee the installation of connecting plate 8, the surface of threaded rod 11 is equipped with spacing hole 14, the inner wall of second round hole 10 is equipped with screw hole 15, the inner wall screw thread of screw hole 15 installs gim peg 16, fastening connection between gim peg 16 and the spacing hole 14, the surperficial equidistance of sheath 1 is equipped with mounting hole 17, and the inner wall screw thread of mounting hole 17 installs coupling bolt 18, be convenient for under coupling bolt 18's effect, can carry out the wholeness installation to sheath 1.
The 221 explosion-proof mechanical seal is characterized in that through the action of an explosion-proof ring 3 arranged on the inner wall of the sheath 1, a first sealing ring 4 and a second sealing ring 5 arranged on the inner wall of the shaft sleeve 2, can improve the mechanical explosion-proof and sealing effects, is convenient for people to install and use through the arrangement of the pressure-resistant ring 6 and the rubber ring 7, the threaded rod 11 can be installed through the action of the first round hole 9 and the second round hole 10, thereby pushing the backing ring 12 to slide along the surface of the threaded rod 11, and finally to come into contact with the connecting plate 8, under the relation of threaded connection, the fastening ring 13 can be fixed by threads, so that the fastening ring 13 is in a pressing state on the backing ring 12 to ensure the stable installation of the connecting plate 8, the fastening bolt 16 can be fixed by the action of the threaded hole 15, therefore, the limiting hole 14 is limited, the installation and fastening effects of the threaded rod 11 are guaranteed, and the stability of the shaft sleeve 2 is improved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides an explosion-proof type mechanical seal of 221, includes sheath (1) and axle sleeve (2), its characterized in that: an explosion-proof ring (3) is fixedly arranged on the inner wall of the sheath (1), a first sealing ring (4) is fixedly arranged on the inner wall of the explosion-proof ring (3), a second sealing ring (5) is fixedly arranged on the inner wall of the shaft sleeve (2), connecting plates (8) are symmetrically and fixedly arranged on the surface of the shaft sleeve (2), a first round hole (9) is arranged on the surface of the connecting plate (8), a second round hole (10) is symmetrically arranged on the surface of the sheath (1), the inner walls of the second round hole (10) and the first round hole (9) are fixedly provided with a threaded rod (11), the surface of the threaded rod (11) is provided with a limiting hole (14), the inner wall of the second round hole (10) is provided with a threaded hole (15), and a fastening bolt (16) is installed on the inner wall of the threaded hole (15) in a threaded manner, and the fastening bolt (16) is tightly connected with the limiting hole (14).
2. A 221 explosion proof mechanical seal according to claim 1 wherein: the surface of the shaft sleeve (2) is fixedly provided with a pressure ring (6), and the surface of the pressure ring (6) is fixedly provided with a rubber ring (7).
3. A 221 explosion proof mechanical seal according to claim 1 wherein: the surface of the threaded rod (11) is symmetrically provided with a backing ring (12) in a sliding manner, and the backing ring (12) is connected with the connecting plate (8) in a sliding manner.
4. A 221 explosion proof mechanical seal according to claim 1 wherein: the surface of the threaded rod (11) is symmetrically provided with a fastening ring (13) in a threaded manner, and the fastening ring (13) is fixedly connected with the backing ring (12).
5. A 221 explosion proof mechanical seal according to claim 1 wherein: the surface equidistance of sheath (1) is equipped with mounting hole (17), and the inner wall threaded mounting of mounting hole (17) has connecting bolt (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121687336.1U CN214999388U (en) | 2021-07-23 | 2021-07-23 | 221 explosion-proof type mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121687336.1U CN214999388U (en) | 2021-07-23 | 2021-07-23 | 221 explosion-proof type mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214999388U true CN214999388U (en) | 2021-12-03 |
Family
ID=79124450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121687336.1U Active CN214999388U (en) | 2021-07-23 | 2021-07-23 | 221 explosion-proof type mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214999388U (en) |
-
2021
- 2021-07-23 CN CN202121687336.1U patent/CN214999388U/en active Active
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