CN216589255U - Built-in spring balance type integrated seal - Google Patents
Built-in spring balance type integrated seal Download PDFInfo
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- CN216589255U CN216589255U CN202122362584.5U CN202122362584U CN216589255U CN 216589255 U CN216589255 U CN 216589255U CN 202122362584 U CN202122362584 U CN 202122362584U CN 216589255 U CN216589255 U CN 216589255U
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Abstract
The utility model relates to an internal spring balance type packaging seal in the technical field of sealing devices, wherein a dynamic sealing part comprises a transmission seat and a transmission ring matched with the transmission seat, a transmission pin and a plurality of groups of sealing rings are arranged between the transmission seat and the transmission ring in a matching way, a static sealing part comprises a rubber oil seal, a sealing gland and an oil seal gland which are matched with the rubber oil seal, the oil seal gland and the sealing gland are matched and provided with locking bolts, a plurality of groups of damping springs are arranged between the rubber oil seal and the oil seal gland in a matching way, an oil seal is arranged between a sealing device body in a matching way, and an oil seal baffle is arranged between the oil seal and the oil seal in a matching way. The occurrence of faults is reduced, and meanwhile, the sealing effect is increased, so that the sealing performance is more stable.
Description
Technical Field
The utility model relates to the technical field of sealing devices, in particular to a mechanical seal.
Background
The level of the petrochemical mechanical process in China is improved, the use of the integrated mechanical seal in chemical pump equipment is more and more extensive, and the service life of the integrated mechanical seal can be greatly prolonged by a good integrated mechanical seal assembly process; the prior Chinese patent database discloses a guider, the patent application number of which is as follows: CN200920141516.2, application date is: 2009.01.15, publication No. CN201330725Y, publication date: 2009.10.21, the utility model discloses a water pump mechanical seal, including: the pump shaft is sequentially provided with a static seal, a front dynamic seal, a spring, a rear dynamic seal and a static seal, wherein the static seal is formed by sleeving a rubber oil seal on the rubber oil seal and is connected with a friction material into a whole by adopting special glue through a vulcanization process; the dynamic seal comprises a front dynamic seal and a rear dynamic seal, and the front dynamic seal comprises a dynamic ring seat, a dynamic ring and a push ring; the back dynamic seal is that a dynamic ring and a dynamic ring are sequentially fixed inside and outside the front surface of the dynamic sleeve, a plurality of meshed rib plates are uniformly distributed on the back surface of the dynamic sleeve, and a key groove is arranged on the inner wall of one meshed rib plate
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide an internally-mounted spring balance type cartridge seal, which combines seal parts together and forms a seal space after a rubber oil seal moving relatively is attached to the end surface of a movable ring, thereby greatly reducing human errors during installation, reducing the occurrence of faults, simultaneously increasing the sealing effect and ensuring that the sealing performance is more stable.
The purpose of the utility model is realized as follows: an internal spring balance type integrated seal comprises a sealing device body (1), wherein the sealing device body (1) penetrates through and is sleeved on a rotating shaft, the sealing device body (1) is divided into a dynamic sealing part, a static sealing part and an oil sealing part, the dynamic sealing part comprises a transmission seat (2), a transmission ring (3) matched with the transmission seat (2) and arranged, a sealing block (12) arranged on the outer side of the transmission seat (2), a plurality of groups of sealing rings are arranged in a matching way on the dynamic sealing part, the static sealing part and the oil sealing part, and a transmission pin (4) is also arranged between the transmission seat (2) and the transmission ring (3) in a matching way; static seal part includes rubber oil blanket (5), gland (6) and oil blanket gland (7) that cooperation rubber oil blanket (5) set up, oil blanket gland (7) are provided with locking bolt (8) with gland (6) cooperation, the cooperation is provided with a plurality of damping spring (9) of group between rubber oil blanket (5) and oil blanket gland (7), sealing device body (1) cooperation is provided with oil blanket (10), oil blanket (10) cooperation is provided with oil blanket baffle (11).
When the rubber oil seal device works, a sealing block (12) is arranged at the front end of a transmission seat (2), two ends of a transmission pin (4) are mutually connected with the transmission seat (2) and a transmission ring (3) in a penetrating manner, a first sealing ring (14) and a second sealing ring (15) are respectively and correspondingly arranged on the upper side and the lower side of the transmission ring (3), a rubber oil seal (5) is fixed at a second groove (18) of the transmission ring (3), a static ring (19) is arranged at the step-shaped position of the rubber oil seal (5), the static ring (19) is connected with a damping spring (9), a sealing gland (6) and an oil seal gland (7) are sequentially arranged at the upper end of the rubber oil seal (5) and are fixedly penetrated through a locking bolt (8), an oil seal (10) is arranged at the bottom end of the transmission seat (2) and is fixed, and an oil seal baffle (11) is fixed on the outer side of the oil seal (10) until installation is completed; when the device works, all parts of mechanical seal such as a moving ring, a rubber oil seal, a damping spring, an auxiliary seal, a sealing gland and the like are combined together to form an aggregate, after the rubber oil seal which moves relatively is attached to the end surface of the moving ring, the generated defense and calibration axial clearance plays a sealing role, when the device is used, a certain pressure of flushing water is ensured to prevent a medium from leaking outwards, the pressure of the flushing water is 0.3-0.4 Mpa, the water amount is 2-5L/min, a locking bolt (8) in a sealing device body (1) locks an oil seal gland (7) and a sealing gland (6) in the working process, the damping spring (9) cannot deviate in the using process due to the fact that the static ring (19) penetrates through the damping spring (9), and the static ring (19) cannot move due to the fact that one end of the rubber oil seal (5) is provided with a step, and the sealing device body (1) is internally provided with a plurality of groups of grooves, so that the transmission seat (2), the sealing gland (6) and the oil sealing gland (7) cannot be loosened.
The utility model has the advantages that: providing an internal spring balanced cartridge seal; this sealing device adopts bi-polar face structural design technique, increases substantially wear resistance, arranges the multi-spring structure in the rubber oil blanket, does not contact with the medium, has ensured that the spring can not become invalid because of the material blocks up, and the human error when the installation that has significantly reduced has reduced the emergence of trouble, has increased sealed effect simultaneously for sealing performance is more stable.
As a further improvement of the utility model, in order to further increase the sealing effect of the sealing device body (1) in use; the cooperation of the upper end of transmission seat (2) is provided with sealed piece (12), sealed piece (12) cooperation is provided with little sealed rubber ring (13), transmission round pin (4) run through set up in the intermediate position of transmission seat (2) and are connected with transmission ring (3), transmission round pin (4) are provided with first sealing washer (14) with the upper end of transmission seat (2) junction, and the lower extreme is provided with second sealing washer (15), transmission seat (2) are provided with third sealing washer (16) with the junction cooperation of axis of rotation, the bottom cooperation oil blanket (10) of transmission seat (2) are provided with first recess (17).
As a further improvement of the utility model, the installation of each part in the sealing device body (1) is convenient and the sealing effect among the parts is increased; the one end cooperation that transmission ring (3) and rubber oil blanket (5) are connected is provided with second recess (18), rubber oil blanket (5) embedding and second recess (18) in and reserve the clearance, this clearance is used for preventing rubber oil blanket (5) to rotate along with the rotation of transmission ring (3).
As a further improvement of the utility model, the damping spring (9) is convenient for workers to overhaul and replace; the rubber oil seal is characterized in that a step is arranged at one end of the rubber oil seal (5), a static ring (19) is arranged in a matched mode of the step, the bottom of the static ring (19) is fixed to the rubber oil seal (5), and the other end of the static ring is in through connection with a damping spring (9).
As a further improvement of the utility model, in order to further increase the fixity between the sealing gland (6) and the transmission seat (2); the sealing device is characterized in that the sealing gland (6) covers the outer side of the sealing device body (1), one side of the sealing gland is matched with the locking bolt (8) to be provided with a through groove (22), the other side of the sealing gland (6) is matched with a fourth groove (23), and the damping spring (9) is arranged in the fourth groove (23) and fixed.
As a further improvement of the utility model, the installation and later replacement and disassembly of the oil seal (10) are facilitated; the oil seal (10) is arranged at the front end of a first groove (17) at the bottom of the transmission seat (2) and is connected with the transmission sealing gland (6), and the oil seal baffle (11) is arranged at the outer side of the oil seal (10) and is connected and fixed with the sealing gland (6).
Drawings
FIG. 1 is a cross-sectional view of the present invention.
FIG. 2 is an enlarged view of the present invention at A.
Wherein, 1 sealing device body, 2 transmission seats, 3 transmission rings, 4 transmission pins, 5 rubber oil seals, 6 sealing glands, 7 oil sealing glands, 8 locking bolts, 9 damping springs, 10 oil seals, 11 oil sealing baffles, 12 sealing blocks, 13 small sealing rubber rings, 14 first sealing rings, 15 second sealing rings, 16 third sealing rings, 17 first grooves, 18 second grooves, 19 stationary rings, 20 first bulges, 21 third grooves, 22 through grooves and 23 fourth grooves.
Detailed Description
As shown in fig. 1-2, an internal spring balance cartridge seal comprises a sealing device body 1, wherein the sealing device body 1 penetrates through and is sleeved on a rotating shaft, and is characterized in that: the sealing device body 1 is divided into a dynamic sealing part, a static sealing part and an oil sealing part, wherein the dynamic sealing part comprises a transmission seat 2, a transmission ring 3 matched with the transmission seat 2 and a sealing block 12 arranged on the outer side of the transmission seat 2, the dynamic sealing part, the static sealing part and the oil sealing part are provided with a plurality of groups of sealing rings in a matched manner, and a transmission pin 4 is also arranged between the transmission seat 2 and the transmission ring 3 in a matched manner; the static sealing part comprises a rubber oil seal 5, a sealing gland 6 and an oil sealing gland 7 which are matched with the rubber oil seal 5, a locking bolt 8 is arranged between the oil sealing gland 7 and the sealing gland 6 in a matching way, a plurality of groups of damping springs 9 are arranged between the rubber oil seal 5 and the oil sealing gland 7 in a matching way, an oil seal 10 is arranged on the sealing device body 1 in a matching way, an oil sealing baffle 11 is arranged on the oil seal 10 in a matching way, a sealing block 12 is arranged on the upper end of the transmission seat 2 in a matching way, a small sealing rubber ring 13 is arranged on the sealing block 12 in a matching way, the transmission pin 4 penetrates through the middle position of the transmission seat 2 and is connected with the transmission ring 3, a first sealing ring 14 is arranged on the upper end of the joint of the transmission pin 4 and the transmission seat 2, a second sealing ring 15 is arranged on the lower end of the transmission seat 2 and a third sealing ring 16 is arranged on the joint of the rotation shaft in a matching way, the bottom end of the transmission seat 2 is matched with the oil seal 10 to be provided with a first groove 17, one end of the transmission ring 3 connected with the rubber oil seal 5 is matched with a second groove 18, the rubber oil seal 5 is embedded into the second groove 8 and is reserved with a gap which is used for preventing the rubber oil seal 5 from rotating along with the rotation of the transmission ring 3, one end of the rubber oil seal 5 is arranged in a ladder way, the ladder way is matched with a static ring 19, the bottom of the static ring 19 is fixed with the rubber oil seal 5, the other end of the static ring is in through connection with the damping spring 9, a first bulge 20 is preset at the middle position of the upper side of the rubber oil seal 5, the first bulge 20 is connected with the oil seal gland 7, a third groove 21 is preset corresponding to the first bulge 20 of the oil seal gland 7, one side of the oil seal gland 7 is connected with the sealing device body 1, and the other end of the oil seal gland 6 is in through connection with the locking bolt 8, the sealing device is characterized in that the sealing gland 6 covers the outer side of the sealing device body 1, one side of the sealing gland is matched with the locking bolt 8 and is provided with a through groove 22, the other side of the sealing gland 6 is matched with a fourth groove 23, the damping spring 9 is arranged in the fourth groove 23 and is fixed, the oil seal 10 is arranged at the front end of a first groove 17 in the bottom of the transmission seat 2 and is connected with the transmission sealing gland 6, and the oil seal baffle 11 is arranged at the outer side of the oil seal 10 and is connected and fixed with the sealing gland 6.
When the utility model works: installing a sealing block 12 at the front end of a transmission seat 2, mutually penetrating and connecting two ends of a transmission pin 4 with the transmission seat 2 and a transmission ring 3, respectively and correspondingly arranging a first sealing ring 14 and a second sealing ring 15 at the upper side and the lower side of the transmission ring 3, fixing a rubber oil seal 5 at a second groove 18 of the transmission ring 3, placing a static ring 19 at the stepped position of the rubber oil seal 5, connecting the static ring 19 with a damping spring 9, sequentially installing a sealing gland 6 and an oil seal gland 7 at the upper end of the rubber oil seal 5 and penetrating and fixing through a locking bolt 8, placing an oil seal 10 at the bottom end of the transmission seat 2 and fixing, fixing an oil seal baffle 11 at the outer side of the oil seal 10, and finishing installation; when the sealing device works, all parts of mechanical seal such as a moving ring, a rubber oil seal, a witness spring, an auxiliary seal, a sealing gland and the like are combined together to form an aggregate, after the rubber oil seal which moves relatively is attached to the end face of the moving ring, the generated defense and calibration axial clearance plays a sealing role, when the sealing device is used, a certain pressure of flushing water is ensured to prevent a medium from leaking outwards, the pressure of the flushing water is 0.3-0.4 Mpa, the water amount is 2-5L/min, a locking bolt 8 in the sealing device body 1 locks an oil seal gland 7 and a sealing gland 6 in the working process, a static ring 19 penetrates through a damping spring 9, so that the damping spring 9 cannot deviate in the using process, and because one end of the rubber oil seal 5 is provided with a step, the static ring 19 cannot move, and a plurality of groups of grooves are arranged in the sealing device body 1, so that the transmission seat 2, the sealing gland 6 and the oil sealing gland 6 can not be loosened.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope.
Claims (7)
1. The utility model provides an internal type spring balance type cartridge seal, includes sealing device body (1), sealing device body (1) runs through and the suit is in the axis of rotation, its characterized in that: the sealing device body (1) is divided into a dynamic sealing part, a static sealing part and an oil sealing part, the dynamic sealing part comprises a transmission seat (2), a transmission ring (3) matched with the transmission seat (2), and a sealing block (12) arranged on the outer side of the transmission seat (2), a plurality of groups of sealing rings are arranged on the dynamic sealing part, the static sealing part and the oil sealing part in a matched mode, and a transmission pin (4) is arranged between the transmission seat (2) and the transmission ring (3) in a matched mode; static seal part includes rubber oil blanket (5), gland (6) and oil blanket gland (7) that cooperation rubber oil blanket (5) set up, oil blanket gland (7) are provided with locking bolt (8) with gland (6) cooperation, the cooperation is provided with a plurality of damping spring (9) of group between rubber oil blanket (5) and oil blanket gland (7), sealing device body (1) cooperation is provided with oil blanket (10), oil blanket (10) cooperation is provided with oil blanket baffle (11).
2. An innerspring balanced cartridge seal of claim 1, wherein: the cooperation of the upper end of transmission seat (2) is provided with sealed piece (12), sealed piece (12) cooperation is provided with little sealed rubber ring (13), transmission round pin (4) run through set up in the intermediate position of transmission seat (2) and are connected with transmission ring (3), transmission round pin (4) are provided with first sealing washer (14) with the upper end of transmission seat (2) junction, and the lower extreme is provided with second sealing washer (15), transmission seat (2) are provided with third sealing washer (16) with the junction cooperation of axis of rotation, the bottom cooperation oil blanket (10) of transmission seat (2) are provided with first recess (17).
3. An innerspring balanced cartridge seal of claim 1, wherein: the one end cooperation that transmission ring (3) and rubber oil blanket (5) are connected is provided with second recess (18), rubber oil blanket (5) embedding and second recess (18) in and reserve the clearance, this clearance is used for preventing rubber oil blanket (5) to rotate along with the rotation of transmission ring (3).
4. An innerspring balanced cartridge seal of claim 1 or 3, wherein: the rubber oil seal is characterized in that a step is arranged at one end of the rubber oil seal (5), a static ring (19) is arranged in a matched mode of the step, the bottom of the static ring (19) is fixed to the rubber oil seal (5), and the other end of the static ring is in through connection with a damping spring (9).
5. An innerspring balanced cartridge seal of claim 1 or 3, wherein: first arch (20) are preset in the intermediate position of rubber oil blanket (5) upside, first arch (20) are connected with oil blanket gland (7), third recess (21) have been preset in oil blanket gland (7) corresponding first arch (20), oil blanket gland (7) one side is connected with sealing device body (1), and the other end passes through locking bolt (8) through connection with gland (6).
6. An innerspring balanced cartridge seal of claim 1, wherein: the sealing device is characterized in that the sealing gland (6) covers the outer side of the sealing device body (1), one side of the sealing gland is matched with the locking bolt (8) to be provided with a through groove (22), the other side of the sealing gland (6) is matched with a fourth groove (23), and the damping spring (9) is arranged in the fourth groove (23) and fixed.
7. An innerspring balanced cartridge seal of claim 1, wherein: the oil seal (10) is arranged at the front end of a first groove (17) at the bottom of the transmission seat (2) and is connected with the transmission sealing gland (6), and the oil seal baffle (11) is arranged at the outer side of the oil seal (10) and is connected and fixed with the sealing gland (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362584.5U CN216589255U (en) | 2021-09-28 | 2021-09-28 | Built-in spring balance type integrated seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362584.5U CN216589255U (en) | 2021-09-28 | 2021-09-28 | Built-in spring balance type integrated seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216589255U true CN216589255U (en) | 2022-05-24 |
Family
ID=81639200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122362584.5U Active CN216589255U (en) | 2021-09-28 | 2021-09-28 | Built-in spring balance type integrated seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216589255U (en) |
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2021
- 2021-09-28 CN CN202122362584.5U patent/CN216589255U/en active Active
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