CN213768700U - Full hydraulic steering gear - Google Patents
Full hydraulic steering gear Download PDFInfo
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- CN213768700U CN213768700U CN202022323345.4U CN202022323345U CN213768700U CN 213768700 U CN213768700 U CN 213768700U CN 202022323345 U CN202022323345 U CN 202022323345U CN 213768700 U CN213768700 U CN 213768700U
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- valve body
- filter
- filter screen
- steering gear
- hydraulic steering
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Abstract
The utility model relates to a hydraulic steering gear equipment technical field especially relates to an all-hydraulic steering gear. The utility model discloses an adopt threaded connection to have the combination filter equipment on the oil inlet of steering valve body, the combination filter equipment is including filtering core and filter cover, be equipped with first filter screen, second filter screen on the filter core, be connected with the check valve body through compression spring and filter cover on the second filter screen, the check valve body top is the cone head, filter cover and set up the inlet port that uses with the cooperation of cone head, this structural design has guaranteed the one-way entering of hydraulic oil while, has still guaranteed the purity of hydraulic oil through first filter screen and second filter screen; the utility model discloses an adopt and be equipped with the pull ring at second filter screen center, the pull ring be equipped with spring protection cover all around, and one-way valve body cup joints on spring protection cover, and the hexagonal recess has been seted up all around to the inlet port, the effectual portable dismantlement problem of having guaranteed the second filter screen of this structural design.
Description
Technical Field
The utility model relates to a hydraulic steering gear equipment technical field especially relates to an all-hydraulic steering gear.
Background
The full hydraulic steering gear is a hydraulic power steering type between a steering wheel and a steering control mechanism without connecting rods, and has the advantages of light and flexible control, simple structure, low price, convenient installation and arrangement of the whole machine and the like. At present, the cycloidal full hydraulic steering gear is widely adopted at home and abroad.
The general full hydraulic steering gear does not have the filtering function of hydraulic oil, and dirt can block a pipeline inside a steering gear valve body after long-time use, and meanwhile, too much dirt can influence the use of the full hydraulic steering gear, so that the service life of the full hydraulic steering gear is shortened, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the above-mentioned technique is not enough, the utility model provides an all-hydraulic steering gear, the utility model discloses a threaded connection has combined filter equipment on the oil inlet of steering valve body, combined filter equipment includes filter core and filter cover, be equipped with first filter screen, second filter screen on the filter core, be connected with the check valve body through compression spring and filter cover on the second filter screen, the top of check valve body is the cone head, set up the inlet port that uses with the cone head cooperation on the filter cover, this structural design has guaranteed the one-way entering of hydraulic oil simultaneously, has still guaranteed the purity of hydraulic oil through first filter screen and second filter screen; the utility model discloses an adopt and be equipped with the pull ring at second filter screen center, the pull ring be equipped with spring protection cover all around, and one-way valve body cup joints on spring protection cover, and the hexagonal recess has been seted up all around to the inlet port, the effectual portable dismantlement problem of having guaranteed the second filter screen of this structural design.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a full hydraulic steering gear is characterized in that: the steering valve body and the case that links to each other with it, be provided with the oil inlet on the steering valve body, threaded connection has combined filter equipment on the oil inlet, combined filter equipment including filter core and with the filter lid that filter core screw thread links to each other, be equipped with a plurality of fan-shaped oil guide holes on the filter core bottom surface, the bottom surface upper portion of filtering the core is equipped with first filter screen, the upper end of first filter screen is equipped with the ring boss, install the second filter screen on the ring boss, the middle part of second filter screen is equipped with the pull ring, be equipped with spring protection cover around the pull ring, the inside compression spring that has cup jointed of spring protection cover, spring protection cover's outside sliding connection has the check valve body, the one end of check valve body is the circular cone head, filter the lid top seted up with the inlet port that the circular cone head cooperation was used.
Further optimize this technical scheme, the one end of turning to the valve body is equipped with sealing flange.
Further optimize this technical scheme, a plurality of fan-shaped oil guide hole centers are equipped with circular oil guide hole.
Further optimize this technical scheme, the molasses pump with be equipped with the third communicating pipe between the feed processor.
Further optimize this technical scheme, the spring protection cover with be equipped with the slip location boss between the check valve body.
Further optimize this technical scheme, hexagonal recess has been seted up around the inlet port.
Further optimize this technical scheme, filter the lid and be equipped with the internal thread all around.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an adopt threaded connection to have the combination filter equipment on the oil inlet of steering valve body, the combination filter equipment is including filtering core and filter cover, be equipped with first filter screen, second filter screen on the filter core, be connected with the check valve body through compression spring and filter cover on the second filter screen, the check valve body top is the cone head, filter cover and set up the inlet port that uses with the cooperation of cone head, this structural design has guaranteed the one-way entering of hydraulic oil while, has still guaranteed the purity of hydraulic oil through first filter screen and second filter screen; the utility model discloses an adopt and be equipped with the pull ring at second filter screen center, the pull ring be equipped with spring protection cover all around, and one-way valve body cup joints on spring protection cover, and the hexagonal recess has been seted up all around to the inlet port, the effectual portable dismantlement problem of having guaranteed the second filter screen of this structural design.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a full hydraulic steering gear.
Fig. 2 is an exploded view of a full hydraulic steering gear.
Fig. 3 is a schematic structural diagram of a combined filtering device of a full hydraulic steering gear.
Fig. 4 is a schematic side view of a combined filter device of a full hydraulic steering gear.
Fig. 5 is an exploded view and a partially enlarged view of a combined filter device of a full hydraulic steering gear.
In the figure: 1. a steering valve body; 2. a valve core; 3. an oil inlet; 4. a combination filter device; 5. a filter element; 6. a filter cover; 7. a fan-shaped oil guide hole; 8. a first filter screen; 9. a circular boss; 10. a second filter screen; 11. a pull ring; 12. a spring protection sleeve; 13. a compression spring; 14. a check valve body; 15. a conical head; 16. an oil inlet hole; 17. sealing the flange; 18. a circular oil guide hole; 19. sliding the positioning boss; 20. a hexagonal groove; 21. an internal thread.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows: referring to fig. 1-5, a full hydraulic steering gear is characterized in that: a steering valve body 1 and a valve core 2 connected with the steering valve body 1, wherein the steering valve body 1 is provided with an oil inlet 3, the oil inlet 3 is in threaded connection with a combined filtering device 4, the combined filtering device 4 comprises a filtering core 5 and a filtering cover 6 in threaded connection with the filtering core 5, a plurality of fan-shaped oil guide holes 7 are arranged on the bottom surface of the filter core 5, a first filter screen 8 is arranged on the upper part of the bottom surface of the filter core 5, the upper end of the first filter screen 8 is provided with a circular boss 9, a second filter screen 10 is arranged on the circular boss 9, a pull ring 11 is arranged in the middle of the second filter screen 10, a spring protection sleeve 12 is arranged around the pull ring 11, a compression spring 13 is sleeved inside the spring protection sleeve 12, a one-way valve body 14 is connected outside the spring protection sleeve 12 in a sliding manner, one end of the one-way valve body 14 is a conical head 15, and the top end of the filter cover 6 is provided with an oil inlet 16 matched with the conical head 15 for use.
Further optimize this technical scheme, the one end of the steering valve body 1 is equipped with sealing flange 17.
Further optimizing the technical scheme, the centers of the fan-shaped oil guide holes 7 are provided with circular oil guide holes 18.
Further optimizing this technical scheme, be equipped with slip location boss 19 between spring protective sheath 12 and check valve body 14.
Further optimizing this technical scheme, hexagonal recess 20 has been seted up around the inlet port 16.
Further optimize this technical scheme, filter lid 6 is equipped with internal thread 21 all around.
The utility model has the advantages that: the utility model discloses an adopt threaded connection to have combined filter equipment 4 on the oil inlet 3 of steering valve body 1, combined filter equipment 4 is including filtering core 5 and crossing filter cover 6, be equipped with first filter screen 8, second filter screen 10 on filtering core 5, be connected with one-way valve body 14 through compression spring 13 and filter cover 6 on the second filter screen 10, one-way valve body 14 top is conical head 15, filter cover 6 is last to be seted up with the inlet port 16 that conical head 15 cooperatees and use, this structural design has guaranteed the one-way entering of hydraulic oil simultaneously, still guaranteed the purity of hydraulic oil through first filter screen 8 and second filter screen 10; the utility model discloses an adopt and be equipped with pull ring 11 at second filter screen 10 center, pull ring 11 be equipped with spring protection cover 12 all around, one-way valve body 14 cup joints on spring protection cover 12, and hexagonal recess 20 has been seted up all around to inlet port 16, the effectual portable dismantlement problem of having guaranteed second filter screen 10 of this structural design.
In order to facilitate understanding of the full hydraulic steering gear provided by the embodiments of the present invention, the following detailed description is made in conjunction with specific embodiments.
With continuing reference to fig. 1-5, a full hydraulic steering gear comprises a steering valve body 1 and a valve core 2 connected with the steering valve body 1, an oil inlet 3 is arranged on the steering valve body 1, a combined filter device 4 is connected with the oil inlet 3 in a threaded manner, the combined filter device 4 comprises a filter element 5 and a filter cover 6 connected with the filter element 5 in a threaded manner, a plurality of fan-shaped oil guide holes 7 are arranged on the bottom surface of the filter element 5, a first filter screen 8 is arranged on the upper portion of the bottom surface of the filter element 5, a circular boss 9 is arranged at the upper end of the first filter screen 8, a second filter screen 10 is arranged on the circular boss 9, a pull ring 11 is arranged in the middle of the second filter screen 10, a spring protection sleeve 12 is arranged around the pull ring 11, a compression spring 13 is sleeved inside the spring protection sleeve 12, a one-way valve body 14 is connected to the outside of the spring protection sleeve 12 in a sliding manner, a cone head 15 is arranged at one end of the one-way valve body 14, an oil inlet 16 matched with the cone head 15 is arranged at the top end of the filter cover 6, one end of the steering valve body 1 is provided with a sealing flange 17, the centers of the fan-shaped oil guide holes 7 are provided with circular oil guide holes 18, a sliding positioning boss 19 is arranged between the spring protection sleeve 12 and the one-way valve body 14, the periphery of the oil inlet hole 16 is provided with a hexagonal groove 20, and the periphery of the filter cover 6 is provided with internal threads 21.
With reference to fig. 1-5, hydraulic oil is introduced into the oil inlet 3 of the steering valve body 1, the hydraulic oil enters the combined filter element device 4, and first extrudes the conical head 15, the conical head 15 extrudes the compression spring 13 when retracting into the oil inlet 16, the conical head 15 moves downward along the spring protection sleeve 12 and the positioning boss 19 under the action of the one-way valve body 14, at this time, the hydraulic oil passes through the second filter screen 10, and then the hydraulic oil is discharged into the steering valve body 1 through the first filter screen 8, the fan-shaped oil guide hole 7 and the circular oil guide hole 18;
when the second filter screen 10 needs to be replaced, the filter element 5 and the filter cover 6 are unscrewed, the conical head 15 and the one-way valve body 14 are taken out, the compression spring 13 inside the spring protection sleeve 12 is taken out, the pull ring 11 is hooked by fingers, the first filter screen 8 and the second filter screen 10 are cleaned by water, the combined filter element device 4 is installed according to the steps, and then the combined filter element device is screwed into the oil inlet hole 3 on the steering valve body 1 by aligning the hexagonal groove 20 through the screwdriver.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. A full hydraulic steering gear is characterized in that: the steering valve comprises a steering valve body (1) and a valve core (2) connected with the steering valve body, wherein an oil inlet (3) is formed in the steering valve body (1), a combined filtering device (4) is connected to the oil inlet (3) in a threaded manner, the combined filtering device (4) comprises a filtering core (5) and a filtering cover (6) in threaded connection with the filtering core (5), a plurality of fan-shaped oil guide holes (7) are formed in the bottom surface of the filtering core (5), a first filtering net (8) is arranged on the upper portion of the bottom surface of the filtering core (5), a circular boss (9) is arranged at the upper end of the first filtering net (8), a second filtering net (10) is mounted on the circular boss (9), a pull ring (11) is arranged in the middle of the second filtering net (10), spring protection sleeves (12) are arranged around the pull ring (11), and compression springs (13) are sleeved inside the spring protection sleeves (12), the spring protection sleeve (12) is connected with a one-way valve body (14) in an external sliding mode, one end of the one-way valve body (14) is a conical head (15), and an oil inlet hole (16) matched with the conical head (15) for use is formed in the top end of the filter cover (6).
2. A fully hydraulic steering gear according to claim 1, wherein: one end of the steering valve body (1) is provided with a sealing flange (17).
3. A fully hydraulic steering gear according to claim 1, wherein: the centers of the fan-shaped oil guide holes (7) are provided with circular oil guide holes (18).
4. A fully hydraulic steering gear according to claim 1, wherein: a sliding positioning boss (19) is arranged between the spring protection sleeve (12) and the one-way valve body (14).
5. A fully hydraulic steering gear according to claim 1, wherein: hexagonal grooves (20) are formed in the periphery of the oil inlet hole (16).
6. A fully hydraulic steering gear according to claim 1, wherein: internal threads (21) are arranged on the periphery of the filter cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022323345.4U CN213768700U (en) | 2020-10-19 | 2020-10-19 | Full hydraulic steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022323345.4U CN213768700U (en) | 2020-10-19 | 2020-10-19 | Full hydraulic steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213768700U true CN213768700U (en) | 2021-07-23 |
Family
ID=76909743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022323345.4U Active CN213768700U (en) | 2020-10-19 | 2020-10-19 | Full hydraulic steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213768700U (en) |
-
2020
- 2020-10-19 CN CN202022323345.4U patent/CN213768700U/en active Active
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