CN220249097U - Servo proportional valve with protective structure - Google Patents

Servo proportional valve with protective structure Download PDF

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Publication number
CN220249097U
CN220249097U CN202320899604.9U CN202320899604U CN220249097U CN 220249097 U CN220249097 U CN 220249097U CN 202320899604 U CN202320899604 U CN 202320899604U CN 220249097 U CN220249097 U CN 220249097U
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China
Prior art keywords
protective cover
fixedly connected
valve body
hose
curve
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CN202320899604.9U
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Chinese (zh)
Inventor
王敬任
陈前荣
王炎
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Shanghai Wanyu Hydraulic Transmission Control Co ltd
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Shanghai Wanyu Hydraulic Transmission Control Co ltd
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Abstract

The utility model relates to the technical field of valves, and discloses a servo proportional valve with a protection structure, which comprises: a base; the protective cover is fixedly connected to the top of the base; the valve body is arranged in the protective cover; the curve hose is fixedly connected to the inner wall of the protective cover; the liquid tank is fixedly connected to the top of the base; the liquid tank is positioned in front of the protective cover; the liquid pump is fixedly arranged at the top of the base; the liquid pump is positioned at the left side of the liquid tank; the connecting pipe is fixedly connected between the liquid tank and the liquid pump. This servo proportional valve with protective structure can protect valve body and curve hose through the protection casing that sets up, and when ambient temperature took place suddenly, the protection casing can keep apart the valve body inboard, delays the temperature change speed on valve body surface, and has prolonged the route that the coolant liquid flows through the curve hose that sets up to extension coolant liquid absorbs heat or exothermic time improves heat exchange efficiency.

Description

Servo proportional valve with protective structure
Technical Field
The utility model relates to the technical field of valves, in particular to a servo proportional valve with a protection structure.
Background
The proportional valve is a hydraulic control device, and on the common pressure valve, flow valve and direction valve, the proportional electromagnet is used to replace original control portion, and according to the inputted electric signal, the pressure, flow or direction of oil flow can be continuously and proportionally controlled remotely.
For example, the patent number of the 'direct-acting type servo proportional valve' disclosed in China patent is CN217177511U, and the servo proportional valve is formed by improving the traditional proportional reversing valve, so that the response speed is higher, the control precision is higher than that of the traditional proportional reversing valve, and the reliability in working is greatly improved.
However, there is no special protection structure outside the valve body, and when the ambient temperature suddenly changes (for example, near an open fire or in contact with cold water or hot water, etc.), the temperature inside the valve body also suddenly changes, so that the liquid inside the valve body expands and contracts with heat, and the pressure control precision is reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a servo proportional valve with a protection structure.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: a servo proportional valve with a guard structure, comprising:
a base;
the protective cover is fixedly connected to the top of the base;
the valve body is arranged in the protective cover; the plugging port of the valve body penetrates through the right side of the protective cover and extends rightwards, so that the valve body is conveniently connected with external equipment;
the curve hose is fixedly connected to the inner wall of the protective cover;
the liquid tank is fixedly connected to the top of the base; the liquid tank is positioned in front of the protective cover;
the liquid pump is fixedly arranged at the top of the base; the liquid pump is positioned at the left side of the liquid tank;
the connecting pipe is fixedly connected between the liquid tank and the liquid pump; the liquid tank is communicated with the liquid pump through a connecting pipe.
Preferably, the curve hose is arranged in a continuous U-shaped pipe shape, and the outer walls are respectively fixedly connected with the inner walls at the front side and the rear side of the protective cover and the inner wall at the top.
Preferably, the input end and the output end of the curve hose penetrate through the front surface of the protective cover and extend forwards, the input end of the curve hose is fixedly connected with the output end of the liquid pump, and the output end of the curve hose is fixedly connected with the liquid tank; the liquid pump is started to work so that the cooling liquid circularly flows in the curve hose, when the temperature of the environment where the valve body is located rises suddenly, the cooling liquid in the curve hose can quickly absorb the environment heat and conduct the heat into the liquid tank, and as the specific heat capacity of the cooling liquid is larger, a lot of heat can be stored, so that the temperature of the valve body is prevented from rising suddenly; when the temperature of the environment where the valve body is located suddenly drops, the cooling liquid in the liquid tank is the same as the room temperature before the sudden drop of the environment temperature, the cooling liquid in the liquid tank flows into the curve hose to supplement heat to the surface of the valve body, so that the sudden drop of the surface temperature of the valve body is avoided, the sudden change of the temperature of the valve body is avoided, and the problem that the hydraulic control precision of the valve body is reduced due to the sudden change of the temperature is solved.
Preferably, a sliding groove is formed in the top of the base; the sliding groove is positioned in the protective cover, and the left end of the sliding groove is provided with an opening; the bottom of the valve body is fixedly connected with a sliding strip; and the sliding strip is connected with the inner wall of the sliding groove in a sliding way.
Preferably, the right side of the protective cover is provided with a limiting through hole; a limiting rod is fixedly connected to the right side of the valve body; the right end of the limiting rod penetrates through the limiting through hole and extends rightwards; the limiting rods are arranged in two groups, and the two groups of limiting rods are respectively arranged on the front side and the rear side of the center point of the right side surface of the valve body; the limiting rod is arranged to guide and limit the valve body.
Preferably, the left opening of the protective cover is arranged; long grooves are respectively formed in the inner walls of the front side and the rear side of the protective cover and are close to the left side of the protective cover; a cover plate is connected in a sliding manner in the long groove; the left side of the cover plate is connected with a fastening bolt through threads; the number of the fastening bolts is two, and the two groups of the fastening bolts are horizontally arranged; the left side of the valve body is fixedly connected with a connecting block; the left side of the connecting block is provided with a threaded hole matched with the fastening bolt, and the outer wall of the right end of the fastening bolt penetrates through the cover plate and is in threaded connection with the threaded hole; the left side of the protective cover is opened by pulling the cover plate upwards, then the sliding strip on the valve body is in sliding connection with the sliding groove and moves rightwards along the inner wall of the sliding groove, when the sliding strip moves to the rightmost side of the sliding groove, the limiting rod penetrates through the limiting through hole on the protective cover, then the cover plate is put down, the fastening bolt is rotated to enable the fastening bolt to be in threaded connection with the connecting block, and accordingly the valve body is fixed, and the installation of the valve body is facilitated.
(III) beneficial effects
Compared with the prior art, the utility model provides the servo proportional valve with the protection structure, which has the following beneficial effects:
1. this servo proportional valve with protective structure can protect valve body and curve hose through the protection casing that sets up, and when ambient temperature took place suddenly, the protection casing can keep apart the valve body inboard, delays the temperature change speed on valve body surface, and has prolonged the route that the coolant liquid flows through the curve hose that sets up to extension coolant liquid absorbs heat or exothermic time improves heat exchange efficiency.
2. This servo proportional valve with protective structure is through upwards pulling open the apron to insert the slide in the spout, thereby be convenient for install the base with the valve body on, mutually support through fastening bolt and connecting block, thereby can fix the valve body, make the installation of valve body more convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a front cross-sectional view of the present utility model;
fig. 4 is a bottom view of the valve body of the present utility model.
In the figure: 1. a base; 2. a protective cover; 3. a valve body; 4. a curved hose; 5. a liquid tank; 6. a liquid pump; 7. a connecting pipe; 8. a chute; 9. a slide bar; 10. a limit rod; 11. a cover plate; 12. a connecting block; 13. and (5) fastening a bolt.
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.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1-4, the present utility model provides a servo proportional valve with a protection structure, comprising: a base 1; the protective cover 2 is fixedly connected to the top of the base 1; the valve body 3 is arranged inside the protective cover 2; the plugging port of the valve body 3 penetrates through the right side of the protective cover 2 and extends rightwards, so that the valve body 3 is conveniently connected with external equipment; the curve hose 4 is fixedly connected to the inner wall of the protective cover 2; the liquid tank 5 is fixedly connected to the top of the base 1; the liquid tank 5 is positioned in front of the protective cover 2; the liquid pump 6 is fixedly arranged at the top of the base 1; the liquid pump 6 is positioned at the left side of the liquid tank 5; the connecting pipe 7 is fixedly connected between the liquid tank 5 and the liquid pump 6; the liquid tank 5 and the liquid pump 6 are communicated through a connecting pipe 7; the curve hose 4 is arranged in a continuous U-shaped pipe shape, and the outer walls are respectively fixedly connected with the inner walls at the front side and the rear side of the protective cover 2 and the inner wall at the top; the input end and the output end of the curve hose 4 penetrate through the front surface of the protective cover 2 and extend forwards, the input end of the curve hose 4 is fixedly connected with the output end of the liquid pump 6, and the output end of the curve hose 4 is fixedly connected with the liquid tank 5; the liquid pump 6 is started to work so that the cooling liquid circularly flows in the curve hose 4, when the temperature of the environment where the valve body 3 is positioned rises suddenly, the cooling liquid in the curve hose 4 can quickly absorb the environment heat and transfer the heat into the liquid tank 5, and as the specific heat capacity of the cooling liquid is larger, a lot of heat can be stored, so that the temperature rise of the valve body 3 is avoided; when the valve body 3 is in the sudden drop of the ambient temperature, the cooling liquid in the liquid tank 5 is the same as the room temperature before the sudden drop of the ambient temperature, the cooling liquid in the liquid tank 5 flows into the curve hose 4 to supplement heat to the surface of the valve body 3, so that the sudden drop of the surface temperature of the valve body 3 is avoided, the sudden change of the temperature of the valve body 3 is avoided, and the problem that the hydraulic control precision of the valve body 3 is reduced due to the sudden change of the temperature is solved.
In this embodiment, can protect valve body 3 and curve hose 4 through the protection casing 2 that sets up, when ambient temperature takes place suddenly, protection casing 2 can keep apart valve body 3 inboard, delays the temperature change speed on valve body 3 surface, and has prolonged the route that the coolant liquid flows through the curve hose 4 that sets up to lengthen coolant liquid heat absorption or exothermic time, improve heat exchange efficiency.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the top of the base 1 is provided with a chute 8; the chute 8 is positioned in the protective cover 2, and the left end of the chute is provided with an opening; the bottom of the valve body 3 is fixedly connected with a slide bar 9; the sliding strip 9 is connected to the inner wall of the chute 8 in a sliding way; the right side of the protective cover 2 is provided with a limiting through hole; a limiting rod 10 is fixedly connected to the right side of the valve body 3; the right end of the limiting rod 10 passes through the limiting through hole and extends rightwards; the number of the limiting rods 10 is two, and the two limiting rods 10 are respectively arranged on the front side and the rear side of the center point of the right side surface of the valve body 3; the limiting rod 10 is arranged to guide and limit the valve body 3; the left side opening of the protective cover 2 is arranged; long grooves are respectively formed in the inner walls of the front side and the rear side of the protective cover 2 and are close to the left side of the protective cover 2; a cover plate 11 is connected in a sliding way in the long groove; the left side of the cover plate 11 is connected with a fastening bolt 13 through threads; the number of the fastening bolts 13 is two, and the two groups of the fastening bolts 13 are horizontally arranged; the left side of the valve body 3 is fixedly connected with a connecting block 12; a threaded hole matched with the fastening bolt 13 is formed in the left side of the connecting block 12, and the outer wall of the right end of the fastening bolt 13 penetrates through the cover plate 11 and is in threaded connection with the threaded hole; the left side of the protection cover 2 is opened by pulling the cover plate 11 upwards, then the sliding strip 9 on the valve body 3 is connected in the sliding groove 8 in a sliding way and moves rightwards along the inner wall of the sliding groove 8, when the sliding strip 9 moves to the rightmost side of the sliding groove 8, the limiting rod 10 penetrates through the limiting through hole on the protection cover 2, then the cover plate 11 is put down, the fastening bolt 13 is rotated to enable the fastening bolt 13 to be in threaded connection with the connecting block 12, and therefore the valve body 3 is fixed, and the installation of the valve body 3 is facilitated.
In this embodiment, the cover plate 11 is pulled upwards, and the slide bar 9 is inserted into the chute 8, so that the valve body 3 is conveniently mounted on the base 1, and the valve body 3 can be fixed by mutually matching the fastening bolt 13 and the connecting block 12, so that the valve body 3 is more conveniently mounted.
The working principle of the servo proportional valve with the protection structure is specifically described below.
As shown in fig. 1-4, when in use, the cover plate 11 is pulled upwards to open the left side of the protective cover 2, then the sliding strip 9 on the valve body 3 is connected in the sliding groove 8 in a sliding way and moves rightwards along the inner wall of the sliding groove 8, when the sliding strip 9 moves to the rightmost side of the sliding groove 8, the limiting rod 10 passes through the limiting through hole on the protective cover 2, then the cover plate 11 is put down, the fastening bolt 13 is rotated to be connected on the connecting block 12 in a threaded way, so as to fix the valve body 3, and the valve body 3 is convenient to install, in working engineering, the liquid pump 6 is started to work, so that the cooling liquid in the curve hose 4 flows circularly, and the liquid pump 6 is communicated with the liquid tank 5 due to the connecting pipe 7, when the temperature of the environment where the valve body 3 is located rises suddenly, the cooling liquid in the curve hose 4 can absorb environmental heat quickly and conduct heat into the liquid tank 5, and a lot of heat can be stored due to the larger specific heat capacity of the cooling liquid, so that the temperature of the valve body 3 is prevented from rising suddenly; when the valve body 3 is in the sudden drop of the ambient temperature, the cooling liquid in the liquid tank 5 is the same as the room temperature before the sudden drop of the ambient temperature, the cooling liquid in the liquid tank 5 flows into the curve hose 4 to supplement heat to the surface of the valve body 3, so that the sudden drop of the surface temperature of the valve body 3 is avoided, the sudden change of the temperature of the valve body 3 is avoided, and the problem that the hydraulic control precision of the valve body 3 is reduced due to the sudden change of the temperature is solved.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (6)

1. A servo proportional valve with protective structure, its characterized in that: comprising the following steps:
a base (1);
the protective cover (2) is fixedly connected to the top of the base (1);
the valve body (3) is arranged in the protective cover (2);
the curve hose (4) is fixedly connected to the inner wall of the protective cover (2);
the liquid tank (5) is fixedly connected to the top of the base (1); the liquid tank (5) is positioned in front of the protective cover (2);
the liquid pump (6) is fixedly arranged at the top of the base (1); the liquid pump (6) is positioned at the left side of the liquid tank (5);
the connecting pipe (7) is fixedly connected between the liquid tank (5) and the liquid pump (6).
2. The servo proportional valve with a protective structure as claimed in claim 1, wherein: the curve hose (4) is arranged in a continuous U-shaped pipe shape, and the outer walls are respectively fixedly connected with the inner walls at the front side and the rear side of the protective cover (2) and the inner wall at the top.
3. The servo proportional valve with a protective structure as claimed in claim 1, wherein: the input end and the output end of the curve hose (4) penetrate through the front face of the protective cover (2) and extend forwards, the input end of the curve hose (4) is fixedly connected with the output end of the liquid pump (6), and the output end of the curve hose (4) is fixedly connected with the liquid tank (5).
4. The servo proportional valve with a protective structure as claimed in claim 1, wherein: a sliding groove (8) is formed in the top of the base (1); the sliding groove (8) is positioned in the protective cover (2), and the left end of the sliding groove is provided with an opening; the bottom of the valve body (3) is fixedly connected with a slide bar (9); and the sliding strip (9) is connected with the inner wall of the sliding groove (8) in a sliding way.
5. The servo proportional valve with a protective structure as claimed in claim 1, wherein: a limiting through hole is formed in the right side of the protective cover (2); a limiting rod (10) is fixedly connected to the right side of the valve body (3); and the right end of the limiting rod (10) passes through the limiting through hole and extends rightwards.
6. The servo proportional valve with a protective structure as claimed in claim 1, wherein: the left side of the protective cover (2) is provided with an opening; long grooves are respectively formed in the inner walls of the front side and the rear side of the protective cover (2), and the long grooves are close to the left side of the protective cover (2); a cover plate (11) is connected in a sliding way in the long groove;
the left side of the cover plate (11) is connected with a fastening bolt (13) through threads; the left side of the valve body (3) is fixedly connected with a connecting block (12); screw holes matched with the fastening bolts (13) are formed in the left side of the connecting block (12), and the outer wall of the right end of each fastening bolt (13) penetrates through the cover plate (11) and is in threaded connection with the screw holes.
CN202320899604.9U 2023-04-20 2023-04-20 Servo proportional valve with protective structure Active CN220249097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320899604.9U CN220249097U (en) 2023-04-20 2023-04-20 Servo proportional valve with protective structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320899604.9U CN220249097U (en) 2023-04-20 2023-04-20 Servo proportional valve with protective structure

Publications (1)

Publication Number Publication Date
CN220249097U true CN220249097U (en) 2023-12-26

Family

ID=89228231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320899604.9U Active CN220249097U (en) 2023-04-20 2023-04-20 Servo proportional valve with protective structure

Country Status (1)

Country Link
CN (1) CN220249097U (en)

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