CN219712593U - Multiple protection hydraulic joint - Google Patents
Multiple protection hydraulic joint Download PDFInfo
- Publication number
- CN219712593U CN219712593U CN202320495703.0U CN202320495703U CN219712593U CN 219712593 U CN219712593 U CN 219712593U CN 202320495703 U CN202320495703 U CN 202320495703U CN 219712593 U CN219712593 U CN 219712593U
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- CN
- China
- Prior art keywords
- joint
- shell
- protection
- mounting
- fixedly connected
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 description 20
- 238000009434 installation Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of hydraulic joints and discloses a multiple protection hydraulic joint which comprises a first joint and a second joint, wherein the first joint and the second joint are fixedly connected through a plurality of fixing bolts, an upper protection shell and a lower protection shell which are arranged up and down are sleeved outside the first joint and the second joint, two ends of the upper protection shell and two ends of the lower protection shell are uniformly connected with a plurality of extension mounting plates, the upper mounting plate and the lower mounting plate are fixedly connected through a plurality of mounting bolts, a plurality of annular sealing plates are fixedly sleeved outside the first joint and the second joint, and sealing extension shells which are matched and spliced with the annular sealing plates extend uniformly on the upper protection shell and the lower protection shell. The utility model can realize the stable connection of the hydraulic joint, has further sealing protection performance and strengthens the protection performance of the whole hydraulic joint.
Description
Technical Field
The utility model belongs to the technical field of hydraulic connectors, and particularly relates to a multi-protection hydraulic connector.
Background
The hydraulic central rotary joint is a key component in a hydraulic system of machines such as an excavator, a crane, a land leveler, a tower crane, a rotary drilling rig and the like, the current hydraulic joint is large in pressure, the problem of leakage is easy to occur only through simple bolt structural connection, and the stressed part is easy to cause bolt bending, so that the whole joint cannot be completely taken out and used.
Disclosure of Invention
The present utility model is directed to a multi-protection hydraulic joint for solving the above-mentioned problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
multiple protection hydraulic joint, including first joint and second joint, connect through a plurality of fixing bolt fixed connection between first joint and the second, first joint and the outer fixed cutting ferrule of second joint have upper guard casing and lower guard casing that set up from top to bottom, upper guard casing and lower guard casing's both ends uniform body coupling have a plurality of mounting panels that extend, upper and lower two extend through a plurality of mounting bolt fixed connection between the mounting panel, a plurality of annular closing plates have all been fixedly cup jointed in the outside that first joint and second connect, upper guard casing and lower guard casing go up the homogeneous extension have with annular closing plate match the sealed shell that pegging graft.
Preferably, the outer side of the annular sealing plate is coated with a layer of sealing damping rubber pad.
Preferably, the outside fixedly connected with of going up the protective housing is located the diaphragm of installing bolt upside, a plurality of jacks have been seted up to the surface of diaphragm, and correspond the jack internal activity and insert and be equipped with crowded push rod, and a plurality of the lower extreme fixedly connected with same joint cover of crowded push rod, the joint cover cutting ferrule is in the tip outside of installing bolt, fixedly connected with is a plurality of respectively overlaps the outer crowded push spring of establishing of many crowded push rods between the lower extreme of joint cover and diaphragm, a plurality of the upper end fixedly connected with same arm-tie that resets of crowded push rod.
Preferably, the middle of the upper protective shell and the lower protective shell is an outer expanding supporting shell which is uniformly connected with the outer side of the joint of the first joint and the second joint, and the inner wall of the outer expanding supporting shell is supported at the two ends of the fixing bolt.
Preferably, the outer sides of the upper protective shell and the lower protective shell are respectively sprayed with a layer of galvanized anti-corrosion paint.
Preferably, the inner wall of the clamping cover and the end part of the mounting bolt are of corresponding hexagonal structures.
Compared with the prior art, the utility model provides a multi-protection hydraulic joint, which has the following beneficial effects:
1. this multiple protection hydraulic joint, through the first joint and the second joint that are equipped with, first joint and second joint are in the same place through the firm connection of a plurality of fixing bolt, again with last protecting crust and lower protecting crust cutting ferrule in the outside of first joint and second joint, expand outward and prop the outside of shell cutting ferrule in first joint and second joint junction, carry out effectual support protection to the junction outside of first joint and second joint, and go up protecting crust and lower protecting crust and first joint, the matching grafting through annular seal board and sealed extension shell between the second joint realizes further stable connection, and have further sealed protection performance, the protection performance of whole hydraulic joint junction has been strengthened.
2. This multiple protection hydraulic joint, through the last protecting crust that is equipped with lower protecting crust, after the installation, upper and lower extension mounting panel is contradicted together, and is fixed through a plurality of mounting bolts, can realize going up the firm connection between protecting crust and the lower protecting crust, and push away spring promotion joint cover and move down after the installation, the steady movement that the cooperation was crowded push rod makes the joint cover cutting ferrule outside mounting bolt's tip, realizes effectively spacing to mounting bolt, avoids the mounting bolt rotation to influence mounting structure's steadiness.
Drawings
FIG. 1 is a schematic view of a multi-protection hydraulic joint according to the present utility model;
fig. 2 is a schematic cross-sectional view of a multi-protection hydraulic joint according to the present utility model.
In the figure: 1. a first joint; 2. a second joint; 3. a fixing bolt; 4. an upper protective shell; 5. a lower protective shell; 6. an extension mounting plate; 7. installing a bolt; 8. an annular sealing plate; 9. sealing the extension case; 10. a cross plate; 11. extruding the push rod; 12. a clamping cover; 13. pushing the spring; 14. resetting the pulling plate; 15. and expanding the outer support shell.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, the multiple protection hydraulic joint comprises a first joint 1 and a second joint 2, wherein the first joint 1 and the second joint 2 are fixedly connected through a plurality of fixing bolts 3, an upper protection shell 4 and a lower protection shell 5 which are arranged up and down are sleeved outside the first joint 1 and the second joint 2, two ends of the upper protection shell 4 and two ends of the lower protection shell 5 are uniformly connected with a plurality of extension mounting plates 6, the upper extension mounting plates 6 and the lower extension mounting plates 6 are fixedly connected through a plurality of mounting bolts 7, a plurality of annular sealing plates 8 are fixedly sleeved on the outer sides of the first joint 1 and the second joint 2, and a sealing extension shell 9 which is matched and spliced with the annular sealing plates 8 extends uniformly on the upper protection shell 4 and the lower protection shell 5.
The outside of the annular sealing plate 8 is coated with a layer of sealing damping rubber cushion.
The outside fixedly connected with of going up the protective housing 4 is located the diaphragm 10 of installing bolt 7 upside, a plurality of jacks have been seted up on the surface of diaphragm 10, and correspond the jack internal activity and insert and be equipped with extrusion pole 11, the same joint cover 12 of the lower extreme fixedly connected with of a plurality of extrusion poles 11, the joint cover 12 cutting ferrule is outside the tip of installing bolt 7, fixedly connected with is a plurality of extrusion spring 13 of establishing outside a plurality of extrusion poles 11 respectively between the upper end of joint cover 12 and the lower extreme of diaphragm 10, the upper end fixedly connected with of a plurality of extrusion poles 11 is the same and resets arm-tie 14.
The middle of the upper protective shell 4 and the lower protective shell 5 is provided with an outer expanding supporting shell 15 which is uniformly connected with the outer side of the joint of the first joint 1 and the second joint 2, and the inner wall of the outer expanding supporting shell 15 is supported at the two ends of the fixing bolt 3.
The outer sides of the upper protective shell 4 and the lower protective shell 5 are both sprayed with a layer of galvanized anti-corrosion paint.
The inner wall of the clamping cover 12 and the end part of the mounting bolt 7 are of corresponding hexagonal structures.
The principle of operation of the present utility model will now be described as follows:
when the hydraulic joint is used, the first joint 1 and the second joint 2 are firmly connected through the plurality of fixing bolts 3, the upper protective shell 4 and the lower protective shell 5 are clamped and sleeved on the outer sides of the first joint 1 and the second joint 2, the outer expansion supporting shell 15 is clamped and sleeved on the outer sides of the connecting position of the first joint 1 and the second joint 2, the outer sides of the connecting position of the first joint 1 and the second joint 2 are effectively supported and protected, the upper protective shell 4, the lower protective shell 5, the first joint 1 and the second joint 2 are further stably connected through the matching and splicing of the annular sealing plate 8 and the sealing extension shell 9, further sealing protection performance is enhanced, the protection performance of the whole hydraulic joint is enhanced, after the hydraulic joint is installed, the upper protective shell 4 and the lower protective shell 5 are abutted together through the plurality of mounting bolts 7, the connection between the upper protective shell 4 and the lower protective shell 5 can be realized, the clamping and the clamping connection of the clamping connection sleeve 12 is pushed by the push spring 13 after the installation, the clamping connection sleeve is pushed by the push spring 13, the clamping connection sleeve 7 is firmly matched with the clamping connection sleeve 7, the installation of the clamping connection sleeve 7 is prevented from being influenced by the installation of the bolts 7, and the installation structure is stable, and the installation of the clamping connection of the clamping sleeve 7 is prevented from being influenced by the clamping connection structure.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, shall cover the scope of the present utility model by equivalent substitution or modification according to the technical scheme of the present utility model and the application concept thereof.
Claims (6)
1. Multiple protection hydraulic joint, including first joint (1) and second joint (2), its characterized in that, connect (1) and second and connect (2) between through a plurality of fixing bolt (3) fixed connection, first joint (1) and second connect (2) external fixation cutting ferrule have upper shield shell (4) and lower shield shell (5) that set up from top to bottom, upper shield shell (4) and lower shield shell (5) both ends uniform body coupling have a plurality of mounting panels (6) that extend, upper and lower two extend through a plurality of mounting bolts (7) fixed connection between mounting panel (6), a plurality of annular closing plates (8) have all been fixed to cup joint in the outside of first joint (1) and second joint (2), upper shield shell (4) and lower shield shell (5) go up uniform body extension have with annular closing plate (8) match sealed extension shell (9) of grafting.
2. The multi-protection hydraulic joint according to claim 1, characterized in that the outside of the annular sealing plate (8) is coated with a layer of sealing damping rubber pad.
3. The multiple protection hydraulic joint according to claim 1, wherein the outer side of the upper protection shell (4) is fixedly connected with a plurality of transverse plates (10) positioned at the upper side of the mounting bolt (7), a plurality of jacks are formed in the surface of the transverse plates (10), push rods (11) are movably inserted in the corresponding jacks, the lower ends of the push rods (11) are fixedly connected with the same clamping cover (12), the clamping cover (12) is clamped outside the end part of the mounting bolt (7), a plurality of push springs (13) respectively sleeved outside the push rods (11) are fixedly connected between the upper ends of the clamping cover (12) and the lower ends of the transverse plates (10), and the upper ends of the push rods (11) are fixedly connected with the same reset pull plate (14).
4. The multiple protection hydraulic joint according to claim 1, wherein the middle of the upper protection shell (4) and the lower protection shell (5) is uniformly connected with an outer expansion supporting shell (15) sleeved outside the joint of the first joint (1) and the second joint (2), and the inner wall of the outer expansion supporting shell (15) is supported at two ends of the fixing bolt (3).
5. The multi-protection hydraulic joint according to claim 1, characterized in that the outer sides of the upper protection shell (4) and the lower protection shell (5) are both sprayed with a layer of galvanised anti-corrosion paint.
6. A multi-protection hydraulic joint according to claim 3, characterized in that the inner wall of the clamping cap (12) and the ends of the mounting bolts (7) are of corresponding hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320495703.0U CN219712593U (en) | 2023-03-15 | 2023-03-15 | Multiple protection hydraulic joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320495703.0U CN219712593U (en) | 2023-03-15 | 2023-03-15 | Multiple protection hydraulic joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712593U true CN219712593U (en) | 2023-09-19 |
Family
ID=88015026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320495703.0U Active CN219712593U (en) | 2023-03-15 | 2023-03-15 | Multiple protection hydraulic joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712593U (en) |
-
2023
- 2023-03-15 CN CN202320495703.0U patent/CN219712593U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |