CN219413657U - Self-balancing self-operated pressure regulating valve - Google Patents
Self-balancing self-operated pressure regulating valve Download PDFInfo
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- CN219413657U CN219413657U CN202320531690.8U CN202320531690U CN219413657U CN 219413657 U CN219413657 U CN 219413657U CN 202320531690 U CN202320531690 U CN 202320531690U CN 219413657 U CN219413657 U CN 219413657U
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Abstract
The utility model discloses a self-balancing self-operated pressure regulating valve, which comprises a valve body, a valve cover arranged on the valve body, a bracket arranged on the valve cover and a spring assembly arranged on the bracket; a valve rod is arranged in the valve body; the valve is characterized in that a valve core is detachably arranged on the valve rod; a locking hoop is arranged between the valve core and the valve rod; and the valve rod is also provided with a limit nut. According to the utility model, the valve core is detachably arranged on the valve rod by utilizing the limit nut and the locking hoop, and only the valve core needs to be replaced in the later replacement, so that the cost of the later replacement is reduced; the valve core is made into a structure capable of being used on two sides, one side of the valve core is worn, and the other side of the valve core is replaced for continuous use, so that the use cost is reduced.
Description
Technical Field
The utility model relates to the technical field of pressure regulating valves, in particular to a self-balancing self-operated pressure regulating valve.
Background
The self-supporting pressure regulating valve is widely applied to various industrial equipment such as petroleum, chemical industry, electric power, metallurgy, food, light spinning and the like, and is used for decompressing, decompressing and stabilizing gas, liquid or steam in the equipment; in the prior art, most valve rods and valve cores are in an integrated structure or are connected into a whole through welding, and the valve rods and the valve cores are also directly connected through threads; the contact surface of the valve core and the valve seat is usually welded with a metal wear-resistant coating, so that the service life of the valve core is prolonged; however, after long-time use, the valve core is often in contact with the valve seat to generate friction, so that the valve core can be damaged to a certain extent, and after the valve core is damaged, the valve rod and the valve core are replaced together, or the valve core is cut off from the valve rod and then a new valve core is welded, so that the replacement cost and the maintenance efficiency are increased; the valve core is directly connected with the valve rod in a threaded manner, so that the valve core is stressed greatly, the threads at the joint of the valve core and the valve rod deform in the opening and closing process, the temperature of high-temperature media such as conveyed steam is too high, the threads deform, the valve core is blocked when the new valve core is replaced after the threads deform, the damaged valve core cannot be detached, the new valve core cannot be installed, and finally, the valve rod and the valve core can only be replaced together. Therefore, the utility model provides the self-balancing self-operated pressure regulating valve which is convenient for replacing the valve core without solving the problem that the valve core is inconvenient to replace.
Disclosure of Invention
The utility model aims to solve the problems and provide a self-balancing self-operated pressure regulating valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-balancing self-operated pressure regulating valve comprises a valve body, a valve cover arranged on the valve body, a bracket arranged on the valve cover and a spring assembly arranged on the bracket; a valve rod is arranged in the valve body; the valve is characterized in that a valve core is detachably arranged on the valve rod; a locking hoop is arranged between the valve core and the valve rod; and the valve rod is also provided with a limit nut.
Preferably, the valve core comprises an upper valve core and a lower valve core; fixing bosses are arranged on the upper valve core and the lower valve core; the locking hoop is arranged between the fixing boss and the valve rod.
Preferably, the locking hoop comprises a front fixing block, a rear fixing block assembled with the front fixing block and fixing bolts arranged on the front fixing block and the rear fixing block.
Preferably, the upper valve core and the lower valve core are of a double-sided use structure.
Preferably, the valve cover is fixedly arranged on the valve body through a bracket; the spring component is fixed between the valve rod and the bracket; a valve seat is also arranged in the valve body; and the valve body is also provided with a medium inlet and a medium outlet.
Preferably, the spring assembly includes a lower spring seat mounted on the valve stem, an upper spring seat mounted on the bracket, and a spring mounted between the lower spring seat and the upper spring seat.
The utility model has the beneficial effects that: the valve core is detachably arranged on the valve rod by utilizing the limit nut and the locking hoop, and only the valve core needs to be replaced in the later replacement, so that the cost of the later replacement is reduced;
the valve core is made into a structure capable of being used on two sides, one side of the valve core is worn, and the other side of the valve core is replaced for continuous use, so that the use cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a partial structure of the present utility model.
Fig. 3 is a schematic structural view of the novel locking hoop.
Legend description: 1, a valve body; 101 a valve seat; 102 medium inlet; 103 medium inlet; 2, a valve cover; 3, a bracket; 4, a spring assembly; 401 lower spring seats; 402 upper spring seats; 403 springs; 5, valve rod; 6, a valve core; 601 upper valve core; 602 lower valve core; 603 fixing the boss; 7, locking the anchor ear; 701 front fixed block; 702 a rear fixed block; 703 fixing bolts.
Detailed Description
The self-balancing self-operated pressure regulating valve according to the utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-3, the self-balancing self-operated pressure regulating valve in this embodiment comprises a valve body 1, a valve cover 2 mounted on the valve body 1, a bracket 3 mounted on the valve cover 2, and a spring assembly 4 mounted on the bracket 3; a valve rod 5 is arranged in the valve body 1; the valve is characterized in that a valve core 6 is detachably arranged on the valve rod 5; a locking hoop 7 is arranged between the valve rods 5 of the valve core 6; a limit nut 8 is further arranged on the valve rod 5 through threads; the valve core 6 is detachably arranged on the valve rod 5 by utilizing the limit nut 8 and the locking hoop 7, and only the valve core 6 needs to be replaced in the later replacement, so that the cost of the later replacement is reduced; by making the valve core 6 into a structure capable of being used on two sides, one side of the valve core 6 is worn and then the other side is replaced for continuous use, so that the use cost is reduced.
Referring to fig. 1-3, the valve core 6 includes an upper valve core 601 and a lower valve core 602; fixing bosses 603 are arranged on the upper valve core 601 and the lower valve core 602; the locking hoop 7 is arranged between the valve rods 5 of the fixing bosses 603; the locking hoop 7 comprises a front fixing block 701, a rear fixing block 702 assembled with the front fixing block 701, and fixing bolts 703 arranged on the front fixing block 701 and the rear fixing block 702; the upper valve core 601 and the lower valve core 602 are of a double-sided use structure; the upper ends of the upper valve core 601 and the lower valve core 602 are limited by using the limit nuts 8, then the front fixing block 701 and the rear fixing block 702 are assembled and installed between the valve rod 5 and the fixing bosses 603 at the lower ends of the upper valve core 601 and the lower valve core 602, the front fixing block 701 and the rear fixing block 702 are fixed by using the fixing bolts 703, and the upper valve core 601 and the lower valve core 602 are limited and installed on the valve rod 5, so that the installation of the upper valve core 601 and the lower valve core 602 is facilitated.
Referring to fig. 1-3, the valve cover 2 is fixedly arranged on the valve body 1 through a bracket 3; the spring assembly 4 is fixed between the valve rod 5 and the bracket 3; a valve seat 101 is also arranged in the valve body 1; the valve body 1 is also provided with a medium inlet 102 and a medium outlet 103; the spring assembly 4 includes a lower spring seat 401 mounted on the valve stem 5, an upper spring seat 402 mounted on the bracket 3, and a spring 403 mounted between the lower spring seat 401 and the upper spring seat 402.
According to the utility model, firstly, a limit nut 8 is mounted on a valve rod 5, then an upper valve core 601 is sleeved on the valve rod 5, a fixing boss 603 above the upper valve core 601 is contacted with the limit nut 8 along the valve rod 5, then a front fixing block 701 and a rear fixing block 702 are assembled and mounted between the valve rod 5 and the fixing boss 603 at the lower end of the upper valve core 601, and a fixing bolt 703 is utilized to fix the front fixing block 701 and the rear fixing block 702, so that the upper valve core 601 is mounted on the valve rod 5, a lower valve core 602 is also mounted on the valve rod 5 in an upper mode, in operation, a medium enters the valve body 1 from a medium inlet 102, the area of the upper valve core 601 is larger than the area of the lower valve core 602 because the pressure of the upper valve core 601 mounted on the valve rod 5 is larger than the area of the lower valve core 602, so that the valve rod 5 is pushed upwards to open the valve, a medium flows out of a medium outlet 103 through a valve seat 101, when the set pressure is reached, the spring force of the valve is kept balanced with the pressure difference between the medium inlet 102 and the medium outlet 103, when the pressure of the medium outlet 103 is larger than the set pressure, the medium outlet 103 is pushed, the upper valve core 601 is pushed down, the upper valve core 5 is required to be removed from the valve core 602 and the upper valve core 602 and the lower valve core 602 is removed from the valve core 602, and the upper valve core 602 is required to be replaced in a new mode, and the upper valve core 602 is removed from the valve core 602, and the valve core 602 is removed from the valve core 5, and the valve core is replaced in a position of the valve core 602, and the valve core is replaced in a mode, and the valve core is replaced by the valve core 602.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (5)
1. The self-balancing self-operated pressure regulating valve comprises a valve body (1), a valve cover (2) arranged on the valve body (1), a bracket (3) arranged on the valve cover (2) and a spring assembly (4) arranged on the bracket (3); a valve rod (5) is arranged in the valve body (1); the valve is characterized in that a valve core (6) with a double-sided use structure is detachably arranged on the valve rod (5); a locking hoop (7) is arranged between the valve core (6) and the valve rod (5); and the valve rod (5) is also provided with a limit nut (8).
2. The self-balancing self-sustaining pressure regulating valve of claim 1, wherein: the valve core (6) comprises an upper valve core (601) and a lower valve core (602); fixing bosses (603) are arranged on the upper valve core (601) and the lower valve core (602); the locking hoop (7) is arranged between the fixing boss (603) and the valve rod (5).
3. The self-balancing self-sustaining pressure regulating valve according to claim 2, wherein: the locking hoop (7) comprises a front fixing block (701), a rear fixing block (702) assembled with the front fixing block (701) and fixing bolts (703) arranged on the front fixing block (701) and the rear fixing block (702).
4. The self-balancing self-sustaining pressure regulating valve of claim 1, wherein: the valve cover (2) is fixedly arranged on the valve body (1) through the bracket (3); the spring assembly (4) is fixed between the valve rod (5) and the bracket (3); a valve seat (101) is also arranged in the valve body (1); the valve body (1) is also provided with a medium inlet (102) and a medium outlet (103).
5. The self-balancing self-energizing pressure regulating valve of claim 4, wherein: the spring assembly (4) comprises a lower spring seat (401) arranged on the valve rod (5), an upper spring seat (402) arranged on the bracket (3) and a spring (403) arranged between the lower spring seat (401) and the upper spring seat (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320531690.8U CN219413657U (en) | 2023-03-18 | 2023-03-18 | Self-balancing self-operated pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320531690.8U CN219413657U (en) | 2023-03-18 | 2023-03-18 | Self-balancing self-operated pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413657U true CN219413657U (en) | 2023-07-25 |
Family
ID=87227305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320531690.8U Active CN219413657U (en) | 2023-03-18 | 2023-03-18 | Self-balancing self-operated pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413657U (en) |
-
2023
- 2023-03-18 CN CN202320531690.8U patent/CN219413657U/en active Active
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