CN213271494U - Rotary joint water pipe sealing device easy to operate in cavity - Google Patents
Rotary joint water pipe sealing device easy to operate in cavity Download PDFInfo
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- CN213271494U CN213271494U CN202021468943.4U CN202021468943U CN213271494U CN 213271494 U CN213271494 U CN 213271494U CN 202021468943 U CN202021468943 U CN 202021468943U CN 213271494 U CN213271494 U CN 213271494U
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- screwing
- rotary joint
- toper
- sealing member
- power head
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Abstract
The utility model discloses an easy-to-operate rotary joint water pipe sealing device in a cavity, which is characterized in that a conical sealing element is screwed and compressed through threads, and the conical sealing element deforms after being stressed so as to extrude a secondary sealing ring, thereby preventing water leakage between the conical sealing element and a water service pipe and improving the sealing performance of the device; the upper shell is provided with a fastening screw and an annular groove, the high-speed rotating joint is provided with a screwing ring with a plurality of jacks uniformly distributed, at least 3 jacks are positioned in the annular groove, when screwing operation is carried out, the fastening screw is firstly adopted to fix the rotating power head, then the screwing wrench is inserted into the jacks, and the screwing wrench is adopted to screw the screwing ring, so that the threaded screwing connection between the rotating joint and the rotating power head is realized, and the screwing mode is simple in structure and convenient to operate; the rotary power head is arranged to be in non-rigid connection with the shaft end of the machine tool spindle, so that the system vibration phenomenon caused by low concentricity under the condition of high-speed rotation is avoided, the service life of parts is prolonged, and the stability of equipment is greatly improved.
Description
Technical Field
The utility model belongs to high-speed rotary joint water piping connection field, concretely relates to easy operation rotary joint water pipe sealing device of intracavity.
Background
High-speed rotary joint among the prior art and rotation axis center water service pipe adopt the form of directly connecting usually, seal at the kneck, nevertheless hardly guarantee rotation axis and high-speed rotary joint's concentricity in the assembling process, under high-speed rotatory condition, because the concentricity is not plateau because of leading to the system to produce the vibration phenomenon, can seriously influence the life of part and the stability of equipment for a long time.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model relates to an easy operation rotary joint water pipe sealing device of intracavity, design benefit, simple structure, convenient operation, the leakproofness is good.
The utility model discloses a realize through following technical scheme:
the utility model provides an intracavity easily operates rotary joint water pipe sealing device, includes high-speed rotary joint, upper portion shell, rotatory unit head, toper sealing member, second grade sealing washer, water service pipe, bearing one, bearing two and lower part shell, adopts boss and recess assorted key connected mode between upper portion shell and the lower part shell, bearing one sets up in the upper portion shell and right high-speed rotary joint supports, bearing two sets up in the lower part shell and supports the lathe main shaft, toper sealing member and water service pipe set up in high-speed rotary joint with between the rotatory unit head, the lower extreme of toper sealing member is the toper structure, the toper surface of toper structure with the laminating of the toper surface of rotatory unit head, toper sealing member upper portion is little toper structure, conveniently assembles with high-speed rotary joint, rotary joint with adopt unit head threaded connection between the rotatory unit head, and a secondary sealing ring is arranged between the rotary power head and the conical sealing piece as well as between the rotary power head and the water service pipe, the conical sealing piece is screwed and compressed through threads, and the conical sealing piece deforms after being stressed to extrude the secondary sealing ring, so that the secondary sealing ring deforms, and water leakage between the conical sealing piece and the water service pipe is prevented.
Further, be equipped with fastening screw on the shell of upper portion, through screwing fastening screw can fix the pairing rotation unit head, be equipped with the ring channel of the spanner work of being convenient for to screw on the shell of upper portion, the ring is fastened to the last equipartition of high-speed rotary joint, it has a plurality of jacks to fasten to encircle, and at least 3 the jack is located in the ring channel, when screwing the operation, adopt earlier fastening screw is right rotatory unit head is fixed, then will it inserts to twist the spanner screw in the jack, adopt it is right to twist the spanner the ring of screwing, and then realize rotary joint with the connection is screwed to the screw thread of rotatory unit head, and the completion back of screwing will it follows to twist the spanner extract and loosen in the jack fastening screw.
Furthermore, the rotary power head and the shaft end of the machine tool spindle are in non-rigid connection, such as spline connection, coupling connection and the like, so that vibration caused by assembly non-concentricity is avoided.
The utility model has the advantages that:
on the one hand, the utility model discloses sealed and the structure of twisting soon of rotary joint water pipe sealing device has carried out the re-optimization design: the conical sealing piece and the water pipe are arranged between the high-speed rotary joint and the rotary power head, the secondary sealing ring is arranged between the rotary power head and the conical sealing piece as well as between the rotary power head and the water pipe, the conical sealing piece is screwed and compressed through threads, and the conical sealing piece deforms after being stressed and extrudes the secondary sealing ring, so that the secondary sealing ring deforms, water leakage between the conical sealing piece and the water pipe is prevented, and the sealing performance of the device is improved; simultaneously, be equipped with the fastening screw that the pairing rotation unit head goes on fixing and the ring channel of the spanner work of screwing of being convenient for on the shell of upper portion, be equipped with on the high-speed rotary joint and revolve tight ring, it has a plurality of jacks to revolve tight ring goes up the equipartition, and 3 at least jacks are arranged in the ring channel, when screwing the operation, adopt fastening screw to rotate the pairing rotation unit head earlier and fix, then will revolve to twist the spanner and insert in the jack, adopt to revolve to twist the spanner and screw up the tight ring and screw up, and then realize that the screwed joint is screwed with the screw thread of rotatory unit head and be connected, should revolve to twist mode simple.
On the other hand, the rotary power head is arranged to be in non-rigid connection with the shaft end of the machine tool spindle, so that the system vibration phenomenon caused by low concentricity under the condition of high-speed rotation is avoided, the service life of parts is prolonged, and the stability of equipment is greatly improved.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 2 is a second schematic structural diagram (the lower housing is not shown) of the embodiment of the present invention;
fig. 3 is a schematic view of a non-rigid coupling structure according to an embodiment of the present invention;
reference numerals: 1. a high-speed rotary joint; 2. an upper housing; 3. rotating the power head; 4. screwing the ring; 5. a conical seal; 6. a secondary seal ring; 7. a water pipe; 8. fastening screws; 9. screwing a wrench; 10. a machine tool spindle; 11. a first bearing; 12. a second bearing; 13. a lower housing; 14. an annular groove; 15. a jack; 16. a non-rigid coupling structure.
Detailed Description
The invention is further described with reference to the drawings and examples.
The whole structure of the embodiment of the utility model is shown in reference to fig. 1-2, a rotary joint water pipe sealing device easy to operate in cavity comprises a high-speed rotary joint 1, an upper shell 2, a rotary power head 3, a conical sealing member 5, a secondary sealing ring 6, a water pipe 7, a bearing I11, a bearing II 12 and a lower shell 13, wherein a key connection mode of matching a boss and a groove is adopted between the upper shell 2 and the lower shell 13, the bearing I11 is arranged in the upper shell 2 and supports the high-speed rotary joint 1, the bearing II 12 is arranged in the lower shell 13 and supports a machine tool spindle 10, the conical sealing member 5 and the water pipe 7 are arranged between the high-speed rotary joint 1 and the rotary power head 3, the lower end of the conical sealing member 5 is in a conical structure, the conical surface of the conical structure is attached to the conical surface of the rotary power head 3, the upper portion of the conical sealing element 5 is of a small conical structure, and is convenient to assemble with the high-speed rotary joint 1, the rotary joint 1 is in threaded connection with the rotary power head 3, the second-stage sealing ring 6 is arranged between the rotary power head 3 and the conical sealing element 5 and between the rotary power head 3 and the water service pipe 7, the conical sealing element 5 is screwed and compressed through threads, the conical sealing element 5 deforms after being stressed, the second-stage sealing ring 6 is extruded, and therefore the second-stage sealing ring 6 deforms, and water leakage between the conical sealing element 5 and the water service pipe 7 is prevented.
Be equipped with fastening screw 8 on the shell 2 in upper portion, through screwing fastening screw 8 can fix the rotation unit head 3, be equipped with the ring channel 14 that is convenient for screw spanner 9 work on the shell 2 in upper portion, be equipped with on the high-speed rotary joint 1 and screw ring 4, the equipartition has 12 jacks 15 on the screw ring 4, and 3 at least the jack is located in the ring channel 14, when screwing the operation, adopt earlier fastening screw 8 is right rotatory unit head 3 is fixed, then will it inserts to twist spanner 9 in the jack 15, adopt it is right to twist spanner 9 it screws up to screw ring 4, and then realize rotary joint 1 with the screw thread of rotatory unit head 3 is screwed and is connected, and screw the completion back, will it follows to twist spanner 9 extract and loosen in the jack 15 fastening screw 8.
As shown in fig. 3, a non-rigid coupling structure 16 is adopted for the rotary power head 3 and the shaft end of the machine tool spindle 10, and the non-rigid coupling structure 16 is in spline coupling, so that vibration caused by assembly non-concentricity is avoided.
The above-described embodiments are merely illustrative of specific embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. The utility model provides an intracavity easily operates rotary joint water pipe sealing device, its characterized in that, includes rotary joint (1), upper portion shell (2), rotatory unit head (3), toper sealing member (5), secondary seal circle (6), water service pipe (7), bearing (11), bearing two (12) and lower part shell (13), adopts boss and recess assorted key coupling mode between upper portion shell (2) and lower part shell (13), bearing one (11) set up in upper portion shell (2) and to rotary joint (1) support, bearing two (12) set up in lower part shell (13) and support lathe main shaft (10), toper sealing member (5) and water service pipe (7) set up in between rotary joint (1) and rotatory unit head (3), the lower extreme of toper sealing member (5) is the toper structure, the toper face of toper structure with the toper face laminating of rotatory unit head (3), toper sealing member (5) upper portion is little toper structure, convenient and rotary joint (1) assembly, rotary joint (1) with adopt threaded connection between rotatory unit head (3), be equipped with secondary seal circle (6) between rotatory unit head (3) and toper sealing member (5) and water service pipe (7), screw compression toper sealing member (5) through the screw thread, warp behind toper sealing member (5) the atress, extrude secondary seal circle (6) to make secondary seal circle (6) warp, prevent to leak between toper sealing member (5) and water service pipe (7).
2. The device according to claim 1, characterized in that, a fastening screw (8) is arranged on the upper housing (2), the rotary power head (3) can be fixed by screwing the fastening screw (8), an annular groove (14) which is convenient for screwing a wrench (9) to work is arranged on the upper housing (2), a screwing ring (4) is arranged on the rotary joint (1), 12 jacks (15) are uniformly distributed on the screwing ring (4), at least 3 jacks are positioned in the annular groove (14), when screwing operation is carried out, the fastening screw (8) is firstly adopted to fix the rotary power head (3), then the screwing wrench (9) is inserted into the jack (15), the screwing ring (4) is screwed by adopting the wrench (9), and then the screw connection between the rotary joint (1) and the rotary power head (3) is realized, after screwing, the screwing wrench (9) is pulled out of the insertion hole (15) and the fastening screw (8) is loosened.
3. An arrangement according to claim 1 or 2, characterized in that the rotary power head (3) is in a non-rigid coupling arrangement (16) with the shaft end of the machine spindle (10).
4. A device according to claim 3, characterized in that the non-rigid coupling structure (16) is a spline coupling or a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021468943.4U CN213271494U (en) | 2020-07-23 | 2020-07-23 | Rotary joint water pipe sealing device easy to operate in cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021468943.4U CN213271494U (en) | 2020-07-23 | 2020-07-23 | Rotary joint water pipe sealing device easy to operate in cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213271494U true CN213271494U (en) | 2021-05-25 |
Family
ID=75960956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021468943.4U Active CN213271494U (en) | 2020-07-23 | 2020-07-23 | Rotary joint water pipe sealing device easy to operate in cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213271494U (en) |
-
2020
- 2020-07-23 CN CN202021468943.4U patent/CN213271494U/en active Active
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