CN217653303U - Electric proportional pressure reducing valve - Google Patents
Electric proportional pressure reducing valve Download PDFInfo
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- CN217653303U CN217653303U CN202123398328.8U CN202123398328U CN217653303U CN 217653303 U CN217653303 U CN 217653303U CN 202123398328 U CN202123398328 U CN 202123398328U CN 217653303 U CN217653303 U CN 217653303U
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- sleeve
- valve
- pressure reducing
- proportional pressure
- reducing valve
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Abstract
The utility model discloses an electricity proportional pressure reducing valve, include: valve couple and proportion electro-magnet, valve couple includes: valve barrel and setting are in the case, the proportion electro-magnet includes: the ground is coaxially arranged from outside to inside in turn: casing, sleeve and movable core part still include: one end of the pole shoe is coaxially sleeved in the sleeve, and the other end of the pole shoe is sleeved outside the valve sleeve; and the leakage stopping mechanism is arranged at one end of the sleeve, which is far away from the valve matching part, so as to prevent oil leakage. The utility model discloses a simple structure has solved current electric proportional pressure reducing valve oil leak easily and the complicated problem of assembly effectively.
Description
Technical Field
The utility model relates to a relief pressure valve technical field specifically is an electric proportional pressure reducing valve.
Background
The electro-hydraulic proportional valve is a hydraulic element between a switch type hydraulic valve and an electro-hydraulic servo valve, a proportional electromagnet is adopted to replace a control valve of a manual adjusting mechanism of a traditional hydraulic control valve, different electromagnetic forces are obtained by electrifying and changing an electromagnetic coil, the throttling area of the reducing valve is controlled by controlling the input electromagnetic force so as to change the working oil pressure of the reducing valve, the electromagnetic forces are balanced under the combined action of hydraulic pressure and spring force, and the displacement of a mechanical structure is controlled by the oil pressure which is continuously changed according to a certain proportion.
The electro-hydraulic proportional valve can be combined with an electronic control device, operation processing can be conveniently carried out on various input and output signals, a complex control function is achieved, meanwhile, the electro-hydraulic proportional valve has the advantages of being resistant to pollution and high in response speed, and is widely applied to industrial production, however, the existing electro-hydraulic proportional valve often has the problems of easy liquid leakage and complex assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electricity proportional pressure reducing valve to solve the relevant problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an electro proportional pressure reducing valve comprising: valve couple and proportion electro-magnet, valve couple includes: valve barrel and setting are in the case, the proportion electro-magnet includes: the ground is coaxially arranged from outside to inside in turn: casing, sleeve and movable iron core part still include:
one end of the pole shoe is coaxially sleeved in the sleeve, and the other end of the pole shoe is sleeved outside the valve sleeve;
and the leakage stopping mechanism is arranged at one end of the sleeve, which is far away from the valve matching part, so as to prevent oil leakage.
Preferably, the leaking stoppage mechanism is a baffle, the baffle and the sleeve are integrally formed through punching, and the sleeve is provided with an opening at one end after forming.
Preferably, one end of the shell is open, a gland for limiting the sleeve is arranged at the closed end of the shell, and a stepped hole is formed at the open end of the shell.
Preferably, one side of the gland, which is adjacent to the sleeve, is provided with a groove, and the closed end of the sleeve is arranged in the groove.
Preferably, the outer side wall of the pole shoe is provided with a cylindrical mounting part, and the cylindrical mounting part is fixedly connected with the step holes formed in the shell.
Preferably, the cylindrical mounting portion and the stepped hole are in interference fit.
Preferably, the closed end of the sleeve is provided with a circular arc chamfer.
Preferably, the outer wall of the pole shoe is further provided with an annular groove, the annular groove is located at the sleeving joint of the pole shoe and the sleeve, and a sealing ring is arranged in the annular groove.
Compared with the prior art, the utility model provides an electricity proportional pressure reducing valve possesses following beneficial effect:
1. the utility model discloses improve the structure of pole shoe, make its lug connection casing and valve barrel, reduced the connection plate structure of original use, it is more convenient to make the assembly.
2. The utility model discloses an one end open-ended sleeve replaces the equal open-ended sleeve in original both ends, has reduced the oil leak risk, and this kind of structure can no longer use original o type sealing washer simultaneously, when having increased the leak protection effect, has reduced spare part and has reduceed the cost.
Drawings
Fig. 1 is a schematic structural view of an electric proportional pressure reducing valve provided by the present invention;
FIG. 2 is a schematic diagram of a conventional electro-proportional pressure reducing valve;
in the figure: 1. the movable iron core comprises a shell, 2, a pole shoe, 3, a valve sleeve, 4, a valve core, 5, a sleeve, 6, a gland, 7, a 0-shaped sealing ring, 8, a connecting plate, 9 and a movable iron core component.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Example 1
Referring to fig. 1, the present invention provides an electric proportional pressure reducing valve, including: valve idol spare and proportion electro-magnet, the valve idol spare includes: valve barrel 3 and set up valve core 4 in valve barrel 3, the proportion electro-magnet includes: the ground is coaxially arranged from outside to inside in sequence: casing 1, sleeve 5 and movable iron core part 9 still include:
one end of the pole shoe 2 is coaxially sleeved in the sleeve 5, and the other end of the pole shoe 2 is sleeved outside the valve sleeve 3;
and the leakage stopping mechanism is arranged at one end of the sleeve 5, which is far away from the valve matching part, so that oil leakage is prevented.
The shell 1 is matched with an electronic coil arranged in the shell in a mounting way, and the valve core 4 in the valve matching part is driven to move through a movable iron core part 9 in the sleeve 5.
Example 2
The electricity proportion relief pressure valve of this embodiment does further improvement on embodiment 1's basis, leaking stoppage mechanism is the baffle, the baffle with 5 punching press integrated into one piece of sleeve, the shaping back sleeve is one end opening, and this kind of structure has reduced the oil leak risk, and original o type sealing washer 7 can no longer be used to this kind of structure simultaneously, has reduced spare part when having increased the leak protection effect and has reduced the cost.
Example 3
The electric proportional pressure reducing valve is further improved on the basis of embodiment 1, one end of the shell 1 is open, a gland 6 for limiting the sleeve 5 is arranged at the closed end of the shell 1, and a stepped hole is formed in the open end of the shell 1.
Example 4
In the electric proportional pressure reducing valve of the present embodiment, a further improvement is made on the basis of embodiment 1, one side of the gland 6 adjacent to the sleeve 5 is provided with a groove, and the closed end of the sleeve 5 is arranged in the groove.
Example 5
The electric proportional pressure reducing valve of the embodiment is further improved on the basis of the embodiment 1, a cylindrical installation part is arranged on the outer side wall of the pole shoe 2, and the cylindrical installation part is fixedly connected with the step holes formed in the shell 1.
Example 6
The electric proportional pressure reducing valve of this embodiment is further improved on the basis of embodiment 1, the cylinder installation portion with interference fit between the step hole improves the structure of pole shoe 2, makes its lug connection casing 1 and valve barrel 3, has reduced the 8 structures of connecting plate of original use, makes the assembly more convenient.
Example 7
The electric proportional pressure reducing valve of the embodiment is further improved on the basis of the embodiment 1, the closed end of the sleeve 5 is provided with the arc chamfer, the arc chamfer can eliminate stress concentration, the manufacturability is better, and consumption of a cutter and a mold is reduced.
Example 8
The electric proportional pressure reducing valve is further improved on the basis of embodiment 1, an annular groove is further formed in the outer wall of the pole shoe 2 and is located at the sleeving joint of the pole shoe 2 and the sleeve 5, and a sealing ring is arranged in the annular groove.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An electro proportional pressure reducing valve comprising: valve idol spare and proportion electro-magnet, the valve idol spare includes: valve barrel and setting are in the case, the proportion electro-magnet includes: the ground is coaxially arranged from outside to inside in turn: casing, sleeve and movable core part, its characterized in that still includes:
one end of the pole shoe is coaxially sleeved in the sleeve, and the other end of the pole shoe is sleeved outside the valve sleeve;
and the leakage blocking mechanism is arranged at one end of the sleeve, which is far away from the valve matching part, so as to prevent oil leakage.
2. The electro proportional pressure reducing valve as claimed in claim 1, wherein:
the leaking stoppage mechanism is a baffle, the baffle and the sleeve are integrally formed through punching, and the formed sleeve is provided with an opening at one end.
3. The electro proportional pressure reducing valve as claimed in claim 1, wherein:
the sleeve limiting device is characterized in that one end of the shell is open, a gland for limiting the sleeve is arranged at the closed end of the shell, and a stepped hole is formed in the open end of the shell.
4. An electro proportional pressure reducing valve as defined in claim 3, wherein:
one side of the gland, which is close to the sleeve, is provided with a groove, and the closed end of the sleeve is arranged in the groove.
5. An electro proportional pressure reducing valve as defined in claim 3, wherein:
the outer side wall of the pole shoe is provided with a cylindrical mounting portion, and the cylindrical mounting portion is fixedly connected with the step holes formed in the shell.
6. An electro proportional pressure reducing valve according to claim 5, wherein:
the cylindrical installation part is in interference fit with the step hole.
7. The electro proportional pressure reducing valve as claimed in claim 2, wherein:
and an arc chamfer is arranged at the closed end of the sleeve.
8. An electro proportional pressure reducing valve according to claim 5, wherein: the outer wall of the pole shoe is also provided with an annular groove, the annular groove is positioned at the sleeve joint of the pole shoe and the sleeve, and a sealing ring is arranged in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123398328.8U CN217653303U (en) | 2021-12-30 | 2021-12-30 | Electric proportional pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123398328.8U CN217653303U (en) | 2021-12-30 | 2021-12-30 | Electric proportional pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217653303U true CN217653303U (en) | 2022-10-25 |
Family
ID=83659128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123398328.8U Active CN217653303U (en) | 2021-12-30 | 2021-12-30 | Electric proportional pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217653303U (en) |
-
2021
- 2021-12-30 CN CN202123398328.8U patent/CN217653303U/en active Active
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