CN219774476U - Speed regulating valve with stepped hole changed into straight through hole - Google Patents

Speed regulating valve with stepped hole changed into straight through hole Download PDF

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Publication number
CN219774476U
CN219774476U CN202320380627.9U CN202320380627U CN219774476U CN 219774476 U CN219774476 U CN 219774476U CN 202320380627 U CN202320380627 U CN 202320380627U CN 219774476 U CN219774476 U CN 219774476U
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China
Prior art keywords
valve
flushing
flushing valve
valve body
sleeve
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CN202320380627.9U
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Chinese (zh)
Inventor
樊百夫
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Zhantuo Hydraulic Shanghai Co ltd
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Zhantuo Hydraulic Shanghai Co ltd
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Priority to CN202320380627.9U priority Critical patent/CN219774476U/en
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Publication of CN219774476U publication Critical patent/CN219774476U/en
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Abstract

The utility model discloses a speed regulating valve with a stepped hole changed into a straight through hole, which comprises a valve body, a flushing valve sleeve, a flushing valve core and a plug, wherein the valve body is provided with a valve seat; a main valve hole is formed in the valve body; the flushing valve sleeve is arranged in a main valve hole in the valve body, and a flushing valve core is arranged in the flushing valve sleeve; the two plugs are arranged and are respectively installed at two sides of the valve body through threaded connection, and the two plugs are respectively abutted with two sides of the flushing valve sleeve. The utility model greatly reduces the processing difficulty, the assembly difficulty and the processing cost of the flushing valve structure of the speed regulating valve, and when the subsequent faults occur, the flushing valve sleeve of the flushing valve structure is convenient to detach and install, so that the flushing valve sleeve is convenient for a worker to maintain and repair the flushing valve, unnecessary loss and waste are effectively avoided, the cost is saved to a certain extent, and the practicability is higher.

Description

Speed regulating valve with stepped hole changed into straight through hole
Technical Field
The utility model relates to the technical field of speed regulating valve related structures, in particular to a speed regulating valve with a stepped hole changed into a straight through hole.
Background
The speed valve integrates the structure of various control valves, such as: differential pressure valve structure, choke valve structure, check valve structure, switching-over valve structure, flushing valve structure etc. combines the function of multiple control valve and realizes the speed control to the motor jointly.
The flushing valve structure of the existing speed regulating valve is shown in fig. 2, the valve hole adopted in the structure for realizing the flushing valve function is a stepped hole, the processing technology is complex, the working procedures are multiple, the consumption of a cutter is large, the working hours are high, and the flushing valve sleeve is pressed into the stepped hole through interference fit, so that the assembly difficulty is high, in the actual use process, if the flushing valve sleeve fails, the flushing valve sleeve is difficult to detach, so that the maintenance and the repair of products are inconvenient, and even when the flushing valve sleeve fails, the whole valve body is scrapped, thereby causing unnecessary loss.
Based on this, the present utility model provides a speed regulating valve with a stepped hole to be changed into a straight through hole, so as to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a speed regulating valve with a stepped hole changed into a straight through hole, so that the assembly difficulty and the processing difficulty of a flushing valve structure of the speed regulating valve are reduced, the flushing valve is convenient to disassemble and maintain, and unnecessary loss and waste are avoided.
In order to solve the technical problems, the utility model provides a speed regulating valve with a stepped hole changed into a straight through hole, which comprises a valve body, a flushing valve sleeve, a flushing valve core and a plug;
a main valve hole is formed in the valve body;
the flushing valve sleeve is arranged in a main valve hole in the valve body, and a flushing valve core is arranged in the flushing valve sleeve;
the two plugs are arranged and are respectively installed at two sides of the valve body through threaded connection, and the two plugs are respectively abutted with two sides of the flushing valve sleeve.
Furthermore, the back of the valve body is externally connected with a low-pressure overflow valve mechanism, and the low-pressure overflow valve mechanism is communicated with an oil drain port of the valve body.
Further, the main valve hole in the valve body is a through hole.
Further, the valve body and the flushing valve sleeve are assembled in a clearance fit mode.
Furthermore, the oil cavities at two sides of the flushing valve sleeve are respectively externally connected with a working oil port A and a working oil port B of the hydraulic motor.
Further, when the oil cavity at one side of the flushing valve sleeve is high-pressure oil, the oil cavity at the other side of the flushing valve sleeve is communicated with the oil drain port of the valve body.
Further, when the flushing valve core is in the middle position, the oil cavities at two sides of the flushing valve sleeve are not communicated with the middle oil drain port of the valve body, when the flushing valve core is in the left position, the left oil cavity of the flushing valve sleeve is communicated with the middle oil drain port of the valve body, the right oil cavity of the flushing valve sleeve is blocked, and when the flushing valve core is in the right position, the right oil cavity of the flushing valve sleeve is communicated with the middle oil drain port of the valve body, and the left oil cavity of the flushing valve sleeve is blocked.
Furthermore, the plug is in sealing connection with the valve body after being installed and fixed.
Compared with the prior art, the utility model has at least the following beneficial effects:
according to the utility model, the main valve hole in the valve body is changed into the straight through hole from the stepped hole, so that the processing difficulty and the processing cost of the flushing valve structure of the speed regulating valve are greatly reduced, and at the moment, the assembly mode between the valve body and the flushing valve sleeve is changed from interference fit press fit into clearance fit assembly, so that the assembly difficulty of the flushing valve structure of the speed regulating valve is effectively reduced.
Further, when the follow-up faults occur, the flushing valve sleeve of the flushing valve structure is convenient to detach and mount, so that a worker can maintain and repair the flushing valve sleeve conveniently, unnecessary loss and waste are effectively avoided, the cost is saved to a certain extent, and the practicability is higher.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
fig. 2 is a schematic diagram of the structure of the flushing valve of the old speed regulating valve.
In the figure: 1. a valve body; 2. flushing the valve sleeve; 3. flushing the valve core; 4. and (5) plugging.
Detailed Description
The present utility model will be described in more detail below with reference to the drawings, in which preferred embodiments of the utility model are shown, it being understood that one skilled in the art can modify the utility model described herein while still achieving the advantageous effects of the utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.
The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
As shown in fig. 1, the embodiment of the utility model provides a speed regulating valve with a stepped hole and a straight through hole, which comprises a valve body 1, a flushing valve sleeve 2, a flushing valve core 3 and a plug 4.
A main valve hole is formed in the valve body 1.
The flushing valve sleeve 2 is arranged in a main valve hole in the valve body 1, and a flushing valve core 3 is arranged in the flushing valve sleeve 2.
The two plugs 4 are arranged, the two plugs 4 are respectively arranged at two sides of the valve body 1 through threaded connection, and the two plugs 4 are respectively abutted with two sides of the flushing valve sleeve 2.
The back of the valve body 1 is externally connected with a low-pressure overflow valve mechanism, and the low-pressure overflow valve mechanism is communicated with an oil drain port of the valve body 1.
When the oil cavity on one side of the flushing valve sleeve 2 is high-pressure oil, the flushing valve core 3 is pushed to the other side, so that the low-pressure oil cavity on the other side is communicated with the oil drain port in the middle, and therefore when the low-pressure oil returns to the oil tank through a low-pressure overflow valve, part of heat and pollutants are taken away, and the flushing effect is achieved.
In order to reduce the processing difficulty and processing cost of the flushing valve structure of the speed regulating valve, as shown in fig. 1, the main valve hole inside the valve body 1 is a through hole.
The processing difficulty of the through hole is low, the process is simple, the consumption of the cutter is small, and the working hour is low, so that the processing efficiency of the valve body 1 can be effectively improved, and the processing cost of the valve body 1 can be reduced.
In order to reduce the difficulty in assembling the flushing valve structure of the speed regulating valve, as shown in fig. 1, the valve body 1 and the flushing valve sleeve 2 are assembled in a clearance fit manner.
The clearance fit type assembly is low in assembly difficulty, and in the actual use process, if faults occur, the valve sleeve of the flushing valve is convenient to install and detach, so that maintenance and repair of products are facilitated, and unnecessary loss and waste are effectively avoided.
In other embodiments, to ensure that the flush valve structure can function properly.
The oil cavities at two sides of the flushing valve sleeve 2 are respectively externally connected with a working oil port A and a working oil port B of the hydraulic motor.
So that it is ensured that oil can enter the flushing valve sleeve 2.
When the oil cavity on one side of the flushing valve sleeve 2 is high-pressure oil, the oil cavity on the other side of the flushing valve sleeve 2 is communicated with the oil drain port of the valve body 1, so that the flushing valve core 3 can be pushed to the other side when the oil cavity on one side of the flushing valve sleeve 2 is high-pressure oil.
The low-pressure oil cavity on the other side is communicated with the oil drain port in the middle, so that when the low-pressure oil returns to the oil tank through a low-pressure overflow valve, a part of heat and pollutants can be taken away, and the flushing effect is achieved.
Specifically, when the flushing valve core 3 is in the middle position, the oil cavities at two sides of the flushing valve sleeve 2 are not communicated with the middle oil drain port of the valve body 1, when the flushing valve core 3 is in the left position, the left oil cavity of the flushing valve sleeve 2 is communicated with the middle oil drain port of the valve body 1, the right oil cavity of the flushing valve sleeve 2 is blocked, and when the flushing valve core 3 is in the right position, the right oil cavity of the flushing valve sleeve 2 is communicated with the middle oil drain port of the valve body 1, and the left oil cavity of the flushing valve sleeve 2 is blocked.
So that the flushing valve structure can work normally, and the aim of flushing is achieved.
The plug 4 is in sealing connection with the valve body 1 after being installed and fixed.
So that the tightness of the connection between the plug 4 and the valve body 1 is ensured.
In summary, in the production process, the stepped hole in the valve body 1 of the flushing valve structure is changed into the straight through hole, so that the processing process difficulty in the production of the valve body 1 and the flushing valve sleeve 2 can be effectively reduced, the working procedures are fewer, the consumption of cutters is small, and the working hours are low, so that the processing efficiency of the valve body 1 and the flushing valve sleeve 2 can be effectively improved, and the processing cost of the valve body and the flushing valve sleeve 2 is reduced.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (8)

1. The speed regulating valve is characterized by comprising a valve body, a flushing valve sleeve, a flushing valve core and a plug;
a main valve hole is formed in the valve body;
the flushing valve sleeve is arranged in a main valve hole in the valve body, and a flushing valve core is arranged in the flushing valve sleeve;
the two plugs are arranged and are respectively installed at two sides of the valve body through threaded connection, and the two plugs are respectively abutted with two sides of the flushing valve sleeve.
2. The speed regulating valve with a stepped hole-to-straight through hole according to claim 1, wherein a low-pressure overflow valve mechanism is externally connected to the back surface of the valve body, and the low-pressure overflow valve mechanism is communicated with an oil drain port of the valve body.
3. The stepped bore to straight bore speed valve of claim 1 wherein said main valve bore within said valve body is a straight bore.
4. A stepped bore to straight bore speed valve as in claim 1 wherein said valve body is assembled with said flush valve housing in a clearance fit.
5. The speed regulating valve with a stepped hole changed into a straight through hole according to claim 1, wherein oil cavities on two sides of the flushing valve sleeve are respectively externally connected with a working oil port A and a working oil port B of a hydraulic motor.
6. The stepped bore to straight through bore speed valve of claim 1 wherein when said one side oil pocket of said flush valve housing is pressurized oil, said other side oil pocket of said flush valve housing communicates with said drain port of said valve body.
7. The speed regulating valve with the stepped hole changed into the through hole according to claim 1, wherein when the flushing valve core is in the middle position, oil cavities at two sides of the flushing valve sleeve are not communicated with the middle oil drain port of the valve body, when the flushing valve core is in the left position, the left oil cavity of the flushing valve sleeve is communicated with the middle oil drain port of the valve body, the right oil cavity of the flushing valve sleeve is blocked, and when the flushing valve core is in the right position, the right oil cavity of the flushing valve sleeve is communicated with the middle oil drain port of the valve body, and the left oil cavity of the flushing valve sleeve is blocked.
8. The stepped bore to straight bore speed valve of claim 1 wherein said plug is sealingly connected to said valve body after installation and securement.
CN202320380627.9U 2023-03-03 2023-03-03 Speed regulating valve with stepped hole changed into straight through hole Active CN219774476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320380627.9U CN219774476U (en) 2023-03-03 2023-03-03 Speed regulating valve with stepped hole changed into straight through hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320380627.9U CN219774476U (en) 2023-03-03 2023-03-03 Speed regulating valve with stepped hole changed into straight through hole

Publications (1)

Publication Number Publication Date
CN219774476U true CN219774476U (en) 2023-09-29

Family

ID=88129919

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320380627.9U Active CN219774476U (en) 2023-03-03 2023-03-03 Speed regulating valve with stepped hole changed into straight through hole

Country Status (1)

Country Link
CN (1) CN219774476U (en)

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