Combined pressure reducing valve

Abstract

The utility model relates to the technical field of pressure reducing valves, in particular to a combined pressure reducing valve, which is characterized in that the outer wall of a movable block is provided with a plurality of groups of through holes, the inner walls of the plurality of groups of through holes are respectively and rotatably connected with a first bolt and a second bolt, the outer walls of the first bolt and the second bolt are fixedly connected with driven gears, and the outer walls of the driven gears are meshed with driving gears; the driving gear is rotationally connected with the outer wall of the movable block, the control ring is rotated, the control ring drives the driving gear to rotate through the inner rod body and the outer rod body, and when the driving gear rotates, the driven gear can be driven to rotate. Therefore, the driven gear drives the first bolt and the second bolt to be synchronously connected to the threaded hole of the pipeline, the movable block gets close to the threaded hole of the pipeline at the moment, the purpose of synchronous rotating connection of multiple sets of bolts is achieved, dismounting is similar, mounting and dismounting are extremely convenient, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure reducing valves, in particular to a combined pressure reducing valve. Background Technique

[0002] A combined pressure reducing valve, as the name implies, is a valve that realizes fluid pressure regulation by combining multiple pressure reducing and pressure stabilizing mechanisms. Its main function is to reduce the inlet pressure to a required outlet pressure and rely on the energy of the medium itself to automatically keep the outlet pressure stable. This valve is regarded as a throttling element with variable local resistance in fluid mechanics, and the flow rate and kinetic energy of the fluid are affected by changing the throttling area, so as to achieve the purpose of pressure reduction. High-pressure and large-flow applications are essential in both production and life, and the use of combined pressure reducing valves is indispensable. However, the installation between the existing combined pressure reducing valve and the pipeline requires multiple groups of bolts for fixation, and it is difficult to disassemble multiple groups of bolts simultaneously and synchronously. Therefore, a large amount of time and energy are required for installing and disassembling the combined pressure reducing valve, which is time-consuming and laborious, and the practicability is insufficient.

[0003] In view of the above problems, the utility model proposes a combined pressure reducing valve. Content of the Utility Model

[0004] The purpose of the utility model is to provide a combined pressure reducing valve, thereby solving the problem that multiple groups of bolts are difficult to disassemble simultaneously and synchronously in the background technique, so that a large amount of time and energy are required for installing and disassembling the combined pressure reducing valve, which is time-consuming and laborious, and the practicability is insufficient.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A combined pressure reducing valve, including an upper valve body, and a main valve body installed at the lower end of the upper valve body. The two ends of the main valve body are respectively communicated with a first connecting pipe and a second connecting pipe of the connecting pipeline. Fixed mechanisms are installed on the outer walls of the first connecting pipe and the second connecting pipe.

[0006] The fixed mechanism includes a control ring rotatably connected to the outer wall of the second connecting pipe, and a movable block slidably connected to the outer wall of the second connecting pipe. Multiple through holes are formed in the outer wall of the movable block. The inner walls of the multiple through holes are respectively rotatably connected with a first bolt and a second bolt. The first bolt and the second bolt are used for threadedly connecting the threaded holes of the pipeline. Driven gears are fixedly connected to the outer walls of the first bolt and the second bolt. The outer walls of the driven gears are meshed with a driving gear. When the driving gear rotates, it can drive multiple driven gears to rotate synchronously. The driving gear is rotatably connected to the outer wall of the movable block. A connecting rod assembly is fixedly connected between the control ring and the driving gear.

[0007] Preferably, two groups of the first bolt and the second bolt are provided, and the two groups of the first bolt and the second bolt are distributed around the center of the movable block.

[0008] Preferably, the first bolt and the second bolt are symmetrically distributed about the center of the driving gear.

[0009] Preferably, the first bolt and the second bolt have the same thread structure. When the driving gear rotates, it will drive the first bolt and the second bolt to rotate in the same direction relative to each other through the driven gear.

[0010] Preferably, the connecting rod assembly includes an outer rod body fixedly connected to the control ring at one end and an inner rod body fixedly connected to the driving gear at one end. The inner rod body is slidably connected to the inner wall of the outer rod body.

[0011] Preferably, the inner rod body can move on the inner wall of the outer rod body through the movement of the driving gear.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] A combined pressure reducing valve proposed by the present utility model rotates the control ring. The control ring drives the driving gear to rotate through the inner rod body and the outer rod body. When the driving gear rotates, it drives the driven gear to rotate. Since the first bolt and the second bolt have the same thread structure, the first bolt and the second bolt will be driven by the driven gear to be synchronously connected to the threaded hole of the pipeline. At this time, the movable block will approach the pipeline threaded hole, achieving the purpose of synchronous rotation connection of multiple bolts. The disassembly is the same. The installation and disassembly are extremely convenient, saving time and effort, and solving the problem that it is difficult to simultaneously and synchronously disassemble multiple bolts, resulting in a large amount of time and effort required for installing and disassembling the combined pressure reducing valve, being time-consuming and laborious, and having insufficient practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the overall three-dimensional structure schematic diagram of the present utility model;

[0015] Figure 2 is the overall planar structure schematic diagram of the present utility model;

[0016] Figure 3 is the structure schematic diagram of the fixing mechanism of the present utility model;

[0017] Figure 4 is for the Figure 3 magnified structure schematic diagram at A of the present utility model.

[0018] In the figure: 1, upper valve body; 2, main valve body; 3, first connecting pipe; 4, second connecting pipe; 5, fixing mechanism; 51, control ring; 52, movable block; 53, first bolt; 54, second bolt; 55, driven gear; 56, driving gear; 57, connecting rod assembly; 571, outer rod body; 572, inner rod body. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1-4 , in order to solve the problem that it is difficult to simultaneously and synchronously disassemble multiple groups of bolts, resulting in a large amount of time and energy being consumed when installing and disassembling the combined pressure reducing valve, which is time-consuming and laborious and lacks practicality, the following preferred technical solutions are provided:

[0021] A combined pressure reducing valve includes an upper valve body 1 and a main valve body 2 installed at the lower end of the upper valve body 1. The two ends of the main valve body 2 are respectively communicated with a first connecting pipe 3 and a second connecting pipe 4 of the connecting pipe. Fixing mechanisms 5 are installed on the outer walls of the first connecting pipe 3 and the second connecting pipe 4. The fixing mechanism 5 includes a control ring 51 rotatably connected to the outer wall of the second connecting pipe 4 and a movable block 52 slidably connected to the outer wall of the second connecting pipe 4. A plurality of through holes are formed in the outer wall of the movable block 52, and a first bolt 53 and a second bolt 54 are respectively rotatably connected to the inner walls of the plurality of through holes. The first bolt 53 and the second bolt 54 are used for threadedly connecting the threaded holes of the pipeline. Driven gears 55 are fixedly connected to the outer walls of the first bolt 53 and the second bolt 54. A driving gear 56 is meshed with the outer walls of the driven gears 55. When the driving gear 56 rotates, it can drive the plurality of driven gears 55 to rotate synchronously. The driving gear 56 is rotatably connected to the outer wall of the movable block 52, and a connecting rod assembly 57 is fixedly connected between the control ring 51 and the driving gear 56.

[0022] Both the first bolt 53 and the second bolt 54 are provided with two groups, and the two groups of the first bolt 53 and the second bolt 54 are distributed around the center of the movable block 52. The first bolt 53 and the second bolt 54 are symmetrically distributed about the center of the driving gear 56. The first bolt 53 and the second bolt 54 have the same thread structure. When the driving gear 56 rotates, it will drive the first bolt 53 and the second bolt 54 to rotate in the same direction through the driven gears 55. The connecting rod assembly 57 includes an outer rod body 571 fixedly connected to one end of the control ring 51 and an inner rod body 572 fixedly connected to one end of the driving gear 56. The inner rod body 572 is slidably connected to the inner wall of the outer rod body 571, and the inner rod body 572 can move on the inner wall of the outer rod body 571 through the movement of the driving gear 56.

[0023] Specifically, when installing the combined pressure reducing valve, only need to align the first bolt 53 and the second bolt 54 with the threaded holes of the pipeline, and then rotate the control ring 51. The control ring 51 drives the driving gear 56 to rotate through the inner rod body 572 and the outer rod body 571. When the driving gear 56 rotates, it will drive the driven gear 55 to rotate. Since the thread structures of the first bolt 53 and the second bolt 54 are the same, the first bolt 53 and the second bolt 54 will be driven by the driven gear 55 to be connected to the threaded holes of the pipeline synchronously. At this time, the movable block 52 will move closer to the threaded holes of the pipeline, achieving the purpose of synchronous rotation connection of multiple bolts. The disassembly is the same. The installation and disassembly are extremely convenient, time-saving and labor-saving, solving the problem that it is difficult to disassemble multiple bolts simultaneously and synchronously, so a large amount of time and energy are required for installing and disassembling the combined pressure reducing valve, which is time-consuming and laborious and lacks practicality. When the movable block 52 moves closer to the threaded holes of the pipeline, the inner rod body 572 will move outward on the inner wall of the outer rod body 571. Through the cooperation of the inner rod body 572 and the outer rod body 571, it can ensure that the driving gear 56 always rotates synchronously with the control ring 51.

[0024] Working principle: When installing or disassembling the combined pressure reducing valve, only need to rotate the control ring 51. The control ring 51 drives the driving gear 56 to rotate through the inner rod body 572 and the outer rod body 571. When the driving gear 56 rotates, it will drive the driven gear 55 to rotate. Since the thread structures of the first bolt 53 and the second bolt 54 are the same, the first bolt 53 and the second bolt 54 will be driven by the driven gear 55 to be connected to or separated from the threaded holes of the pipeline synchronously, achieving the purpose of synchronous rotation connection or separation of multiple bolts.

[0025] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0026] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined pressure reducing valve, comprising an upper valve body (1), and a main valve body (2) mounted at the lower end of the upper valve body (1), characterized in that: The two ends of the main valve body (2) are respectively connected to a first connecting pipe (3) and a second connecting pipe (4) of the connecting pipeline, and the outer walls of the first connecting pipe (3) and the second connecting pipe (4) are both installed with a fixing mechanism (5); the fixing mechanism (5) comprises a control ring (51) rotatably connected to the outer wall of the second connecting pipe (4), and a movable block (52) slidably connected to the outer wall of the second connecting pipe (4), the outer wall of the movable block (52) is provided with a plurality of groups of through holes, and the inner walls of the plurality of groups of through holes are respectively rotatably connected to the first bolt (53) and the second bolt (54), the first The bolt (53) and the second bolt (54) are used to threadably connect the threaded hole of the pipeline. The outer walls of the first bolt (53) and the second bolt (54) are fixedly connected with a driven gear (55). The outer wall of the driven gear (55) is meshingly connected with a driving gear (56). When the driving gear (56) rotates, it can drive multiple groups of driven gears (55) to rotate synchronously. The driving gear (56) is rotatably connected to the outer wall of the movable block (52). A connecting rod assembly (57) is fixedly connected between the control ring (51) and the driving gear (56).

2. A combined pressure reducing valve according to claim 1, characterized in that: Two groups of the first bolts (53) and the second bolts (54) are provided, and the two groups of the first bolts (53) and the second bolts (54) are distributed around the center of the movable block (52).

3. A combined pressure reducing valve according to claim 1, characterized in that: The first bolts (53) and the second bolts (54) are symmetrically distributed about the center of the driving gear (56).

4. A combined pressure reducing valve according to claim 1, characterized in that: The first bolt (53) and the second bolt (54) have the same thread structure, and when the driving gear (56) rotates, the driven gear (55) drives the first bolt (53) and the second bolt (54) to rotate in the same direction.

5. A combined pressure reducing valve according to claim 1, characterized in that: The connecting rod assembly (57) comprises an outer rod body (571) having one end fixedly connected to the control ring (51), and an inner rod body (572) having one end fixedly connected to the driving gear (56), wherein the inner rod body (572) is slidably connected to the inner wall of the outer rod body (571).

6. A combined pressure reducing valve according to claim 5, characterized in that: The inner rod body (572) can move on the inner wall of the outer rod body (571) through the movement of the driving gear (56).

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