CN217396616U - Full hydraulic steering gear for casting runner - Google Patents
Full hydraulic steering gear for casting runner Download PDFInfo
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- CN217396616U CN217396616U CN202221088916.3U CN202221088916U CN217396616U CN 217396616 U CN217396616 U CN 217396616U CN 202221088916 U CN202221088916 U CN 202221088916U CN 217396616 U CN217396616 U CN 217396616U
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- steering gear
- hydraulic steering
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- full hydraulic
- gear main
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Abstract
The utility model discloses a full hydraulic steering gear of casting runner, including case and full hydraulic steering gear main part, the case has been seted up to the inside of full hydraulic steering gear main part, and the inside of case is provided with the transmission shaft, the inside of transmission shaft is rotated and is connected with the locating pin, the inside of full hydraulic steering gear main part can be dismantled and is connected with torque spring, the inside of case is provided with bearing assembly through no retaining ring for the trunnion, the inside of full hydraulic steering gear main part is provided with first steel ball and second steel ball respectively. The full hydraulic steering gear with the cast runner is coated with the anticorrosive coating through the internal hydraulic runner in the full hydraulic steering gear main body, the anticorrosive coating is a polyethylene coating, and the polyethylene coating has excellent low-temperature resistance and good chemical stability and can resist corrosion of most of acid and alkali.
Description
Technical Field
The utility model relates to a steering gear technical field specifically is a full hydraulic steering gear of casting runner.
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. The cycloid type full hydraulic steering gear is generally adopted at home and abroad, and can be divided into a slide valve type and a rotary valve type according to the moving mode of a valve. The slide valve type can be divided into 2 types of mechanical slide valve type (circulating ball slide valve type) and hydraulic slide valve type, the hydraulic steering gear can be divided into several types of core opening non-reaction, core opening reaction, core closing non-reaction, core closing reaction (in practice, nobody uses), load sensing, coaxial flow amplification and the like according to the functional form of the valve core, and the traditional full-hydraulic steering gear can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:
most of all-hydraulic steering gears in the current market have large internal pressure loss and poor hydraulic oil fluidity when being used for a long time, and simultaneously, the inner wall of a hydraulic flow channel is easy to corrode, so that the all-hydraulic steering gears are easy to break down when being used, and the service life of the all-hydraulic steering gears is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a full hydraulic steering ware of casting runner to the time of using for a long time that proposes in solving above-mentioned background art, hydraulic steering ware internal pressure loss is great, and hydraulic oil mobility is relatively poor, cause the case inner wall to corrode easily, thereby cause full hydraulic steering ware when using, the problem of breaking down easily.
In order to achieve the above object, the utility model provides a following technical scheme: a full hydraulic steering gear for casting a runner comprises a valve core and a full hydraulic steering gear main body, wherein the valve core is arranged in the full hydraulic steering gear main body, a transmission shaft is arranged in the valve core, a positioning pin is rotatably connected in the transmission shaft, a torsion spring is detachably connected in the full hydraulic steering gear main body, a bearing assembly is arranged in the valve core through a trunnion-free retainer ring, a first steel ball is arranged in the full hydraulic steering gear main body, a first steel ball and a second steel ball are respectively arranged in the full hydraulic steering gear main body, a first elastic cylindrical pin and a second elastic cylindrical pin are respectively arranged in the full hydraulic steering gear main body, the first elastic cylindrical pin and the second elastic cylindrical pin are respectively attached to the first steel ball and the second steel ball, a front side plate is arranged in the full hydraulic steering gear main body, the hydraulic steering gear is characterized in that a rotor is arranged in the hydraulic steering gear main body and matched with the transmission shaft, a stator nail is arranged in the hydraulic steering gear main body, a rear side plate is arranged on the side wall of one end in the hydraulic steering gear main body, and a valve sleeve is arranged on the outer wall of the valve core.
Preferably, the rear side plate is sealed with the full-hydraulic steering gear main body through a first ring, a sealing element and a second ring, and the rear side plate is connected with the full-hydraulic steering gear main body through a first bolt and a second bolt respectively.
Preferably, the joints of the first bolt and the second bolt with the rear side plate are provided with gaskets.
Preferably, a front cover is arranged inside the full hydraulic steering gear main body and is sealed with the valve core through a third ring and a fourth ring, and a dustproof ring is arranged at the joint of the front cover and the valve core.
Preferably, the inner wall of the valve core is provided with an anticorrosive coating, and the anticorrosive coating is a polyethylene coating.
Preferably, the diameter of the front end of the valve core is smaller than that of the rear end of the valve core.
Preferably, an L-cavity oil replenishing valve is arranged on the side wall of one side of the full hydraulic steering gear main body, and a manual steering one-way valve is arranged on the outer wall of the L-cavity oil replenishing valve.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the hydraulic steering gear is characterized in that the hydraulic steering gear main body is mounted, and the inner hydraulic flow channel inside the hydraulic steering gear main body is a flow channel which is cast, so that the pressure loss of the inner hydraulic flow channel inside the hydraulic steering gear main body is reduced, the hydraulic mobility is good, meanwhile, an anticorrosive layer is sprayed on the inner hydraulic flow channel inside the hydraulic steering gear main body, the anticorrosive layer is a polyethylene coating, the polyethylene coating has excellent low-temperature resistance, the chemical stability is good, the corrosion of most of acid and alkali can be resisted, the corrosion of the hydraulic steering gear main body is avoided, the inner hydraulic flow channel inside the hydraulic steering gear main body is damaged, the pressure loss of the hydraulic flow channel is high, and the hydraulic mobility is poor.
Drawings
FIG. 1 is a schematic view of the internal structure of a full hydraulic steering gear of the present invention;
FIG. 2 is a schematic structural view of the L-cavity oil compensating valve of the present invention;
fig. 3 is a schematic diagram of the internal structure of the valve core of the present invention.
In the figure: 1. a valve core; 101. an anticorrosive layer; 2. a torsion spring; 3. positioning pins; 4. a bearing assembly; 5. a check ring for a trunnion is not provided; 6. a drive shaft; 7. a full hydraulic steering gear main body; 8. a first steel ball; 9. a second steel ball; 10. a first elastic cylindrical pin; 11. a second elastic cylindrical pin; 12. a front side plate; 13. a rotor; 14. a stator nail; 15. a rear side plate; 16. a front cover; 17. a dust ring; 18. a gasket; 19. a first bolt; 20. a second bolt; 21. a first ring; 22. a seal member; 23. a second ring; 24. a third ring; 25. a fourth ring; 26. a valve housing; 27. an L cavity oil replenishing valve; 28. manpower turns to check valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
in embodiment 2, referring to fig. 1, a rear side plate 15 is sealed with a full hydraulic steering gear main body 7 through a first ring 21, a sealing member 22 and a second ring 23, the rear side plate 15 is connected with the full hydraulic steering gear main body 7 through a first bolt 19 and a second bolt 20, a gasket 18 is arranged at a joint of the first bolt 19 and the second bolt 20 with the rear side plate 15, a valve sleeve 26 is arranged on an outer wall of a valve core 1, and the rear side plate 15 is connected with the full hydraulic steering gear main body 7 through the first bolt 19 and the second bolt 20, so that an operator can mount and dismount the rear side plate 15;
in embodiment 3, referring to fig. 1 and fig. 3, an inner wall of the valve core 1 is provided with an anticorrosive layer 101, the anticorrosive layer 101 is a polyethylene coating, a diameter of a front end of the valve core 1 is smaller than a diameter of a rear end of the valve core 1, a side wall of one side of the full hydraulic steering gear main body 7 is provided with an L-cavity oil replenishing valve 27, an outer wall of the L-cavity oil replenishing valve 27 is provided with a manual steering check valve 28, the anticorrosive layer 101 is a polyethylene coating, and the polyethylene coating has excellent low temperature resistance and good chemical stability, and can resist corrosion of most of acid and alkali, so that the full hydraulic steering gear main body 7 is prevented from being corroded, and an internal hydraulic flow passage inside the full hydraulic steering gear main body 7 is prevented from being damaged.
The working principle is as follows: when the full hydraulic steering gear with the cast flow channel is used, the flow channel which is cast out is firstly formed through the internal hydraulic flow channel inside the full hydraulic steering gear main body 7, so that the pressure loss of the internal hydraulic flow channel inside the full hydraulic steering gear main body 7 is reduced, the hydraulic fluidity is good, meanwhile, the anticorrosive coating 101 is sprayed on the internal hydraulic flow channel inside the full hydraulic steering gear main body 7, the anticorrosive coating 101 is a polyethylene coating, the polyethylene coating has excellent low-temperature resistance and good chemical stability, and can resist the corrosion of most acid and alkali, so that the corrosion of the steering gear main body 7 is avoided, the internal hydraulic flow channel inside the full hydraulic steering gear main body 7 is damaged, the pressure loss of the hydraulic flow channel is higher, the hydraulic fluidity is poorer, and the whole working principle of the utility model is that.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The full hydraulic steering gear comprises a valve core (1) and a full hydraulic steering gear main body (7), and is characterized in that: the hydraulic steering gear is characterized in that a valve core (1) is arranged inside a full hydraulic steering gear main body (7), a transmission shaft (6) is arranged inside the valve core (1), a positioning pin (3) is rotatably connected inside the transmission shaft (6), a torsion spring (2) is detachably connected inside the full hydraulic steering gear main body (7), a bearing assembly (4) is arranged inside the valve core (1) through a trunnion-free retainer ring (5), a first steel ball (8) is arranged inside the full hydraulic steering gear main body (7), a first steel ball (8) and a second steel ball (9) are respectively arranged inside the full hydraulic steering gear main body (7), a first elastic cylindrical pin (10) and a second elastic cylindrical pin (11) are respectively arranged inside the full hydraulic steering gear main body (7), and the first elastic cylindrical pin (10) and the second elastic cylindrical pin (11) are respectively attached to the first steel ball (8) and the second steel ball (9), the hydraulic steering gear is characterized in that a front side plate (12) is arranged inside the full hydraulic steering gear main body (7), a rotor (13) is arranged inside the full hydraulic steering gear main body (7), the rotor (13) is matched with the transmission shaft (6), a stator nail (14) is arranged inside the full hydraulic steering gear main body (7), a rear side plate (15) is installed on the side wall of one end inside the full hydraulic steering gear main body (7), and a valve sleeve (26) is arranged on the outer wall of the valve core (1).
2. A full hydraulic diverter for cast runners according to claim 1, characterized by: the rear side plate (15) is sealed with the full-hydraulic steering gear main body (7) through a first ring (21), a sealing piece (22) and a second ring (23), and the rear side plate (15) is connected with the full-hydraulic steering gear main body (7) through a first bolt (19) and a second bolt (20) respectively.
3. A full hydraulic diverter for cast runners according to claim 2, characterized by: and a gasket (18) is arranged at the joint of the first bolt (19) and the second bolt (20) and the rear side plate (15).
4. A full hydraulic diverter for cast runners according to claim 1, characterized by: the hydraulic steering gear is characterized in that a front cover (16) is arranged inside the full hydraulic steering gear main body (7), the front cover (16) is sealed with the valve core (1) through a third ring (24) and a fourth ring (25), and a dust ring (17) is arranged at the joint of the front cover (16) and the valve core (1).
5. A full hydraulic diverter for cast runners according to claim 1, characterized by: the inner wall of the valve core (1) is provided with an anticorrosive coating (101), and the anticorrosive coating (101) is a polyethylene coating.
6. A full hydraulic diverter for cast runners according to claim 1, characterized by: the diameter of the front end of the valve core (1) is smaller than that of the rear end of the valve core (1).
7. A full hydraulic diverter for cast runners according to claim 1, characterized by: an L-cavity oil replenishing valve (27) is arranged on the side wall of one side of the full hydraulic steering gear main body (7), and a manual steering one-way valve (28) is installed on the outer wall of the L-cavity oil replenishing valve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221088916.3U CN217396616U (en) | 2022-05-07 | 2022-05-07 | Full hydraulic steering gear for casting runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221088916.3U CN217396616U (en) | 2022-05-07 | 2022-05-07 | Full hydraulic steering gear for casting runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217396616U true CN217396616U (en) | 2022-09-09 |
Family
ID=83145219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221088916.3U Active CN217396616U (en) | 2022-05-07 | 2022-05-07 | Full hydraulic steering gear for casting runner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217396616U (en) |
-
2022
- 2022-05-07 CN CN202221088916.3U patent/CN217396616U/en active Active
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