CN211398899U - Rotary joint easy to maintain - Google Patents
Rotary joint easy to maintain Download PDFInfo
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- CN211398899U CN211398899U CN201922455848.4U CN201922455848U CN211398899U CN 211398899 U CN211398899 U CN 211398899U CN 201922455848 U CN201922455848 U CN 201922455848U CN 211398899 U CN211398899 U CN 211398899U
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- sealing ring
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Abstract
The utility model discloses an easy rotary joint who maintains belongs to and connects technical field, and it is the technical problem that current rotary joint wearing and tearing lead to sealing performance harmfully, leak that mainly solves, the utility model discloses a rotary joint is including the joint body, connect the internal seal assembly that is equipped with, seal assembly include hollow structure's seal, peg graft in the sealing ring of seal one end, the sealing ring is made for wear-resisting material, the sealing ring is close to connect the liquid hole of the body, through end mechanical seal between seal and the sealing ring. The utility model discloses the wearability is good, has solved the easy wearing and tearing of current rotary joint and has leaded to sealing performance bad, leak, the short defect of life.
Description
Technical Field
The utility model relates to a connect technical field, more specifically say, it relates to an easy rotary joint who maintains.
Background
In the mechanical processing process, liquid cooling and chip removal are frequently used, and the conventional rotary joint for connecting the flowing liquid is easy to wear in the high-speed rotating friction process to cause poor sealing performance and water leakage and short service life because a sealing connecting part is made of a soft sealing material; and most of them are open structures, and once worn, they need to be replaced as a whole, and thus, the repairability is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, the utility model aims at providing a rotary joint of easy maintenance of difficult wearing and tearing.
The technical scheme of the utility model is that: the utility model provides an easy-to-maintain rotary joint, includes the joint body, the internal seal assembly that is equipped with of joint, seal assembly include hollow structure seal, peg graft in the sealing ring of seal one end, the sealing ring is made for wear-resisting material, the sealing ring is close to the play liquid hole that connects the body, through terminal surface mechanical seal between seal and the sealing ring.
As a further improvement, the connector body is internally provided with a containing cavity with the diameter smaller than that of the liquid outlet hole, one end of the sealing body close to the sealing ring is positioned in the liquid outlet hole, and the other end of the sealing body is movably inserted in the containing cavity.
Furthermore, the two sides of the joint body are respectively provided with a liquid inlet hole communicated with one end of the accommodating cavity far away from the liquid outlet hole.
Furthermore, the periphery of the sealing body is provided with a first limiting boss with the diameter larger than that of the accommodating cavity, and two sides of the first limiting boss are respectively provided with a guide pin inserted into the joint body.
Further, a spring is arranged in the accommodating cavity, and two ends of the spring tightly support the bottom of the accommodating cavity and the end of the sealing body respectively.
Furthermore, the containing cavity is internally provided with a sealing ring which is in contact with the periphery of the sealing body.
Furthermore, a second limiting boss is arranged in the sealing body, and a mechanical sealing structure is arranged between the end face of the second limiting boss and the end face of the sealing ring.
Furthermore, one side of the joint body is provided with an unloading hole communicated with the liquid outlet hole.
Further, the sealing body is made of 45# steel, and the sealing ring is made of hard alloy steel or wear-resistant ceramic.
Advantageous effects
Compared with the prior art, the utility model, the advantage that has does:
1. the utility model discloses a seal and sealing ring adopt split type design, and the sealing ring is made for wear-resisting material, and the wearability is good, has solved the easy wearing and tearing of current rotary joint and has leaded to sealing performance bad, leak, the defect that life is short to, only need change one of wearing and tearing in the maintenance process, unnecessary whole change, the repairability is good, and it is convenient to maintain, and the maintenance cost is low.
2. The utility model discloses a set up the feed liquor hole respectively in the both sides that connect the body, can play the effect of balanced feed liquor impact force, prevent that the feed liquor impact force from causing the influence to seal and sealing ring work.
3. The utility model discloses a spring exerts pressure forward to the seal, guarantees the dynamic seal nature between sealing ring and the swivelling joint body to, under the effect of both sides uide pin, the seal is fixed relatively with the rotational position who connects the body, and the seal can not produce because of the swivelling joint body is skew under the effect of the high-speed rotation production force of body and is connected the body and produce the leakage.
4. The utility model discloses a set up the off-load hole and can be off-load when rotary connector is unusual, avoid high-pressure liquid to cause the damage to rotary joint inner part.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a full sectional view of the present invention;
fig. 4 is a schematic front view of the sealing body of the present invention;
fig. 5 is a left side view structure diagram of the middle sealing body of the present invention.
Wherein: 1-joint body, 2-sealing body, 3-sealing ring, 4-liquid outlet hole, 5-containing cavity, 6-liquid inlet hole, 7-first limit boss, 8-guide pin, 9-spring, 10-sealing ring, 11-guide groove and 12-unloading hole.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-5, an easy-to-maintain rotary joint comprises a joint body 1, wherein a sealing assembly is arranged in the joint body 1, the sealing assembly comprises a sealing body 2 with a hollow structure and a sealing ring 3 inserted into one end of the sealing body 2, the sealing ring 3 is made of wear-resistant materials, the sealing ring 3 is close to a liquid outlet 4 of the joint body 1, and the sealing body 2 and the sealing ring 3 are mechanically sealed through end faces.
Be equipped with the diameter in the joint body 1 and be less than the chamber 5 that holds of liquid hole 4 diameter, the one end that seal 2 is close to sealing ring 3 is located liquid hole 4, and the other end activity is pegged graft in holding chamber 5. The both sides of the joint body 1 are respectively provided with a liquid inlet hole 6 communicated with one end of the containing cavity 5 far away from the liquid outlet hole 4, the two liquid inlet holes 6 are symmetrically arranged, the effect of balancing liquid inlet impact force can be achieved, and the influence of the liquid inlet impact force on the work of the sealing body 2 and the sealing ring 3 is prevented.
The periphery of seal 2 is equipped with the diameter and is greater than the first spacing boss 7 that holds 5 diameters of chamber, and the both sides of first spacing boss 7 are equipped with the uide pin 8 of pegging graft in the joint body 1 respectively, are equipped with the guide way 11 that corresponds with uide pin 8 on the first spacing boss 7, and seal 2 can follow uide pin 8 reciprocating sliding. The accommodating cavity 5 is internally provided with a spring 9, and two ends of the spring 9 respectively support the bottom of the accommodating cavity 5 and the end part of the sealing body 2. The sealing body 2 is pressed forwards through the spring 9, the dynamic sealing performance between the sealing ring 3 and the rotary connecting body is guaranteed, the rotary positions of the sealing body 2 and the joint body 1 are relatively fixed under the action of the guide pins 8 on the two sides, and the sealing body 2 cannot deviate from the joint body 1 to leak due to the action of the high-speed rotation of the rotary connecting body. The sealing ring 10 contacting with the periphery of the sealing body 2 is arranged in the accommodating cavity 5, so that the sealing performance between the sealing body 2 and the joint body 1 can be further ensured.
Be equipped with the spacing boss of second in the seal 2, be mechanical seal's structure between the terminal surface of the spacing boss of second and the terminal surface of sealing ring 3, be clearance fit's structure between the hole of sealing ring 3 and seal 2.
One side of the connector body 1 is provided with an unloading hole 12 communicated with the liquid outlet hole 4, so that the rotary connector can be unloaded when abnormal, and the internal parts of the rotary connector are prevented from being damaged by high-pressure liquid.
The sealing body 2 is made of 45# steel, and the sealing ring 3 is made of hard alloy steel or wear-resistant ceramic, so that the wear resistance is good.
The utility model discloses a seal and sealing ring adopt split type design, and the sealing ring is made for wear-resisting material, and the wearability is good, has solved the easy wearing and tearing of current rotary joint and has leaded to sealing performance bad, leak, the defect that life is short to, only need change one of wearing and tearing in the maintenance process, unnecessary whole change, the repairability is good, and it is convenient to maintain, and the maintenance cost is low.
The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.
Claims (9)
1. The utility model provides an easy-to-maintain rotary joint, includes and connects body (1), its characterized in that, be equipped with seal assembly in connecting body (1), seal assembly include hollow structure seal (2), peg graft in seal ring (3) of seal (2) one end, seal ring (3) are wear-resisting material and make, seal ring (3) are close to go out liquid hole (4) that connect body (1), through terminal surface mechanical seal between seal (2) and the seal ring (3).
2. An easily maintained rotary joint according to claim 1, wherein a containing cavity (5) with a diameter smaller than that of the liquid outlet hole (4) is arranged in the joint body (1), one end of the sealing body (2) close to the sealing ring (3) is positioned in the liquid outlet hole (4), and the other end is movably inserted into the containing cavity (5).
3. An easily maintained rotary joint according to claim 2, wherein both sides of the joint body (1) are respectively provided with a liquid inlet hole (6) communicated with one end of the accommodating cavity (5) far away from the liquid outlet hole (4).
4. An easily maintained rotary joint according to claim 2, wherein the periphery of the sealing body (2) is provided with a first limit boss (7) with a diameter larger than that of the accommodating cavity (5), and two sides of the first limit boss (7) are respectively provided with a guide pin (8) inserted into the joint body (1).
5. An easily maintained rotary joint according to claim 2, wherein a spring (9) is arranged in the accommodating cavity (5), and two ends of the spring (9) respectively push against the bottom of the accommodating cavity (5) and the end of the sealing body (2).
6. A readily serviceable swivel joint according to claim 2, characterized in that a sealing ring (10) is provided in the receiving chamber (5) in contact with the periphery of the sealing body (2).
7. An easily maintained rotary joint according to claim 1, wherein a second limit boss is arranged in the sealing body (2), and a mechanical sealing structure is arranged between the end face of the second limit boss and the end face of the sealing ring (3).
8. An easily maintainable swivel according to claim 1, wherein a relief hole (12) communicating with the liquid outlet hole (4) is provided at one side of the swivel body (1).
9. An easily serviceable swivel according to any one of claims 1-8 characterised in that the sealing body (2) is of 45# steel and the sealing ring (3) is of hard alloy steel or of wear resistant ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455848.4U CN211398899U (en) | 2019-12-31 | 2019-12-31 | Rotary joint easy to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455848.4U CN211398899U (en) | 2019-12-31 | 2019-12-31 | Rotary joint easy to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398899U true CN211398899U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922455848.4U Active CN211398899U (en) | 2019-12-31 | 2019-12-31 | Rotary joint easy to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278633A (en) * | 2021-12-03 | 2022-04-05 | 四川航天烽火伺服控制技术有限公司 | Rotary valve |
-
2019
- 2019-12-31 CN CN201922455848.4U patent/CN211398899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278633A (en) * | 2021-12-03 | 2022-04-05 | 四川航天烽火伺服控制技术有限公司 | Rotary valve |
| CN114278633B (en) * | 2021-12-03 | 2024-05-28 | 四川航天烽火伺服控制技术有限公司 | Rotary valve |
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