CN209856453U - Pressure reducing valve with filtering and antifouling capacity - Google Patents

Abstract

The utility model discloses a relief pressure valve with filter antifouling ability, including valve body and through-hole, the right side fixed mounting of valve body has the fillet of screw, and the inside threaded connection of fillet of screw has the valve rod, and the below of fillet of screw is provided with the spring, and installs the roof below the spring, and the below fixed mounting of roof has the gag lever post, fixation nut is installed to valve body left side below, and fixation nut's below is installed the valve storehouse and is gone into the pipe, and the left side that the valve storehouse goes into the pipe is provided with the connecting valve, and the left side threaded connection of connecting valve has the connecting pipe, and the side surface of connecting valve is provided with the side channel, and the internally mounted of connecting valve has the couple, the inboard fixedly connected with filter screen of couple, and the internal surface of valve storehouse exit tube right port is. This relief pressure valve can filter the water source, reduces the change frequency of filter core, and then has reduced economic expenditure and the time that the maintenance occupy.

Description

Pressure reducing valve with filtering and antifouling capacity

Technical Field

The utility model relates to a relief pressure valve technical field specifically is a relief pressure valve with filter dirt-proof ability.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by regulation and automatically keeps the outlet pressure stable by the energy of a medium, and the pressure reducing valve can be roughly divided into two types, namely a direct-acting pressure reducing valve and a pilot-operated pressure reducing valve, and the pressure reducing valve is used for preventing circulating sundries from entering the interior of a valve body, so that the normal work of the pressure reducing valve is influenced.

Traditional relief pressure valve does not have fine filter capacity, easily take place to block up after permanent work, and then reduce the normal decompression of relief pressure valve, and relief pressure valve inner structure is complicated, it is difficult for clean, a large amount of time of extravagant maintenance personal, and traditional relief pressure valve filter core is installed inside the valve body, need dismantle the valve body during the renew cartridge, the process is comparatively loaded down with trivial details, and the valve body is inside too sealed, can't detect the characteristic of inside liquid, we provide a relief pressure valve with filter dirt-proof ability for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relief pressure valve with filter antifouling ability, do not have fine filtering ability with traditional relief pressure valve in solving above-mentioned background art, easily take place to block up after permanent work, and then reduce the normal decompression of relief pressure valve, and relief pressure valve inner structure is complicated, it is difficult for clean, waste the maintenance personal a large amount of time, traditional relief pressure valve filter core is installed inside the valve body in addition, need dismantle the valve body during the renew cartridge, the process is comparatively loaded down with trivial details, and the valve body is inside too sealed, can't detect the characteristic scheduling problem of inside liquid.

In order to achieve the above object, the utility model provides a following technical scheme: a pressure reducing valve with filtering and antifouling capabilities comprises a valve body and a through hole, wherein a threaded ring is fixedly arranged on the right side of the valve body, a valve rod is in threaded connection with the inside of the threaded ring, a spring is arranged below the threaded ring, a top plate is arranged below the spring, a limiting rod is fixedly arranged below the top plate, a fixing nut is arranged below the left side of the valve body, a valve cabin inlet pipe is arranged below the fixing nut, a connecting valve is arranged on the left side of the valve cabin inlet pipe, a connecting pipe is in threaded connection with the left side of the connecting valve, a side groove is formed in the side surface of the connecting valve, a hook is arranged inside the connecting valve, a filter screen is fixedly connected to the inner side of the hook, the through hole is arranged on the right side of the limiting rod, a valve cabin outlet pipe is arranged on the right side of the through hole, a groove is arranged above, the internal surface of valve storehouse exit tube right side port is provided with the fixed slot, and the inboard of fixed slot is provided with the filter core.

Preferably, the spring forms an elastic structure between the threaded ring and the top plate, the limiting rod is fixedly connected with the lower bottom surface of the top plate, and the valve rod is in threaded connection with the inner surface of the threaded ring.

Preferably, a detachable structure is formed between the connecting valve and the connecting pipe, and the connecting valve and the connecting pipe are connected in a threaded manner.

Preferably, the appearance structure of filter screen is arc fretwork network structure, and the direction of connection between couple and the connecting valve is the block connection.

Preferably, the groove penetrates through the outer surface of the valve bin outlet pipe, the through hole and the groove are located on the same horizontal direction, and the fixing nut is in threaded connection with the valve bin outlet pipe and the valve bin inlet pipe.

Preferably, the fixing groove penetrates through the inner surface of the valve chamber outlet pipe, the valve chamber outlet pipe is of an L-shaped structure, and a sliding structure is formed between the filter element and the fixing groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the purpose of the gag lever post that sets up can provide a critical value for the decline of roof, improve the roof and the through-hole between the compactness of laminating, avoid the roof excessively to descend to lead to the condition of infiltration to take place, improve the safety guarantee of valve body, the connecting valve of setting is fixed and is gone into the left port of managing at the valve storehouse and be convenient for with the be connected and the dismantlement of external connecting pipe, makes things convenient for the maintenance and investigation of maintenance personal to this relief pressure valve.

2. The filter screen that sets up is inboard sunken right, and the aperture is great, both can block in the debris admission valve body, do not influence the normal work of valve body again, and install the inside at the coupling valve through the couple, easy to assemble and dismantlement, reduce maintenance personal's the installation degree of difficulty, and reduced the change frequency of filter core, a large amount of economic expenditure and time have been saved, the recess that sets up is used for inserting the detector, can the inside liquid of real-time monitoring valve body, reduce the degree of difficulty of the investigation of water source quality, compare in traditional relief pressure valve and saved the shared time of water pipe dismantlement.

3. The filter core that sets up is installed at the right-hand member mouth of this valve storehouse exit tube, and slides through the fixed slot and takes out, has reduced the operation degree of difficulty that the filter core was changed, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a side view structure of the junction valve of the present invention;

fig. 3 is a schematic view of the structure of the outlet pipe of the valve chamber according to the present invention.

In the figure: 1. a valve body; 2. a thread ring; 3. a valve stem; 4. a spring; 5. a top plate; 6. a limiting rod; 7. fixing a nut; 8. a valve bin inlet pipe; 9. a connecting valve; 10. a connecting pipe; 11. a side groove; 12. hooking; 13. a filter screen; 14. a through hole; 15. a valve cartridge outlet pipe; 16. a groove; 17. a detector; 18. a filter element; 19. and fixing the grooves.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a pressure reducing valve with filtering and antifouling capabilities comprises a valve body 1 and a through hole 14, wherein a threaded ring 2 is fixedly installed on the right side of the valve body 1, a valve rod 3 is connected to the inner thread of the threaded ring 2, a spring 4 is arranged below the threaded ring 2, a top plate 5 is installed below the spring 4, a limiting rod 6 is fixedly installed below the top plate 5, a fixing nut 7 is installed on the left lower portion of the valve body 1, a valve cabin inlet pipe 8 is installed below the fixing nut 7, a connecting valve 9 is arranged on the left side of the valve cabin inlet pipe 8, a connecting pipe 10 is connected to the left side of the connecting valve 9 in a threaded manner, a side groove 11 is formed in the side surface of the connecting valve 9, a hook 12 is installed inside the connecting valve 9, a filter screen 13 is fixedly connected to the inner side of the hook 12, the through hole 14 is installed on the right side of the limiting rod 6, a valve cabin outlet pipe 15 is, and the right side of recess 16 is provided with detector 17, the internal surface of valve storehouse exit tube 15 right port is provided with fixed slot 19, and the inboard of fixed slot 19 is provided with crosses filter element 18, spring 4 passes through and constitutes elastic construction between screw ring 2 and roof 5, and the connected mode between the lower bottom surface of gag lever post 6 and roof 5 is fixed connection, and the connected mode between the internal surface of valve rod 3 and screw ring 2 is threaded connection, its effect is that the purpose of gag lever post 6 that sets up can provide a critical value for the decline of roof 5, improve the compactness of laminating between roof 5 and through-hole 14, avoid the roof 5 excessive decline to lead to the condition emergence of infiltration, improve the safety guarantee of valve body 1.

A detachable structure is formed between the connecting valve 9 and the connecting pipe 10, the connecting mode between the connecting valve 9 and the connecting pipe 10 is threaded connection, the function of the pressure reducing valve is that the connecting valve 9 is fixed at the left port of the valve bin inlet pipe 8, which is convenient for connecting and disassembling with the external connecting pipe 10 and is convenient for maintenance personnel to examine the pressure reducing valve, the appearance structure of the filter screen 13 is an arc hollow net structure, the connecting direction between the hook 12 and the connecting valve 9 is a clamping connection, the filter screen 13 is concave towards the right inner side, and the aperture is larger, which can not only prevent the sundries from entering the valve body 1, but also does not influence the normal work of the valve body 1, and install in the inside of connecting valve 9 through couple 12, easy to assemble and dismantlement reduce maintenance personal's the installation degree of difficulty, and reduced the change frequency of filter element 18, saved a large amount of economic expenses and time.

The groove 16 penetrates through the outer surface of the valve chamber outlet pipe 15, the through hole 14 and the groove 16 are located in the same horizontal direction, the fixing nut 7 is in threaded connection with the valve chamber outlet pipe 15 and the valve chamber inlet pipe 8, the groove 16 is used for inserting the detector 17, liquid inside the valve body 1 can be monitored in real time, the difficulty of water source quality inspection is reduced, compared with a traditional pressure reducing valve, the time occupied by water pipe disassembly is saved, the fixing groove 19 penetrates through the inner surface of the valve chamber outlet pipe 15, the appearance structure of the valve chamber outlet pipe 15 is an L-shaped structure, a sliding structure is formed between the filter element 18 and the fixing groove 19, the function is that the filter element 18 is arranged at the right end opening of the valve chamber outlet pipe 15 and is taken out in a sliding mode through the fixing groove 19, the operation difficulty of filter element 18 replacement is reduced, and the use is facilitated.

The working principle is as follows: the device mainly comprises a valve body 1 and a through hole 14, when the device is used, a valve rod 3 of the device is firstly screwed into the interior of a threaded ring 2 from bottom to top through threads, then the lower end of the valve body 1 is attached above a valve bin inlet pipe 8 and a valve bin outlet pipe 15, the valve body 1 and the valve bin inlet pipe 8 and the valve bin outlet pipe 15 are relatively fixed by using a fixing nut 7, then the valve rod 3 is screwed by external force to enable a top plate 5 to gradually move downwards until a limiting rod 6 fixedly connected below the top plate 5 props against the inner surface of the valve bin inlet pipe 8, at the moment, the top plate 5 is positioned at the lower left of the through hole 14 and can block water flow at the valve bin inlet pipe 8, a connecting valve 9 is fixedly installed at the left port of the valve bin inlet pipe 8, the connecting valve 9 is connected with an external connecting pipe 10 through a side groove 11 of a frame, and a hollow netted filter screen 13 is installed in the connecting valve 9 through a hook 12, the water filter is used for roughly filtering water entering the interior of the valve body 1, normal use of the valve body 1 is prevented from being affected by excessive impurities, replacement frequency of the filter element 18 can be reduced, after the top plate 5 rises to exceed the horizontal height of the through hole 14, water flows pass through the through hole 14 from the through hole and enter the valve cabin outlet pipe 15, the groove 16 is installed on the inner wall above the valve cabin outlet pipe 15, a blocking pile is used for sealing in a common state, a detection port of a water quality detector 17 can be stretched into the detection port when needed, the quality of an internal water source is detected in real time, the filter element 18 is arranged at the right end opening of the valve cabin outlet pipe 15, the filter element 18 is installed inside the valve cabin outlet pipe 15 through sliding with the fixing groove 19, and the water filter is convenient to detach, namely the use flow and the.

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 (6)

1. A pressure reducing valve with filtering and dirt-proof capabilities, comprising a valve body (1) and a through hole (14), characterized in that: the valve is characterized in that a threaded ring (2) is fixedly mounted on the right side of the valve body (1), a valve rod (3) is connected to the inner thread of the threaded ring (2), a spring (4) is arranged below the threaded ring (2), a top plate (5) is mounted below the spring (4), a limiting rod (6) is fixedly mounted below the top plate (5), a fixing nut (7) is mounted below the left side of the valve body (1), a valve cabin inlet pipe (8) is mounted below the fixing nut (7), a connecting valve (9) is arranged on the left side of the valve cabin inlet pipe (8), a connecting pipe (10) is connected to the left side of the connecting valve (9) in a threaded manner, a side groove (11) is formed in the side surface of the connecting valve (9), a hook (12) is mounted inside the connecting valve (9), a filter screen (13) is fixedly connected to the inner side of the hook (12), and the through hole (14) is mounted on the right side, and the right side of through-hole (14) is provided with valve storehouse exit tube (15), recess (16) are installed to the top of valve storehouse exit tube (15), and the right side of recess (16) is provided with detector (17), the internal surface of valve storehouse exit tube (15) right port is provided with fixed slot (19), and the inboard of fixed slot (19) is provided with filter element (18).

2. The pressure reducing valve having a filtering and dirt-proofing capability according to claim 1, wherein: the spring (4) forms an elastic structure between the threaded ring (2) and the top plate (5), the limiting rod (6) is fixedly connected with the lower bottom surface of the top plate (5), and the valve rod (3) is in threaded connection with the inner surface of the threaded ring (2).

3. The pressure reducing valve having a filtering and dirt-proofing capability according to claim 1, wherein: a detachable structure is formed between the connecting valve (9) and the connecting pipe (10), and the connecting valve (9) is in threaded connection with the connecting pipe (10).

4. The pressure reducing valve having a filtering and dirt-proofing capability according to claim 1, wherein: the appearance structure of the filter screen (13) is an arc-shaped hollowed-out net structure, and the connection direction between the hook (12) and the connection valve (9) is clamped and connected.

5. The pressure reducing valve having a filtering and dirt-proofing capability according to claim 1, wherein: the groove (16) penetrates through the outer surface of the valve bin outlet pipe (15), the through hole (14) and the groove (16) are located on the same horizontal direction, and the fixing nut (7) is in threaded connection with the valve bin outlet pipe (15) and the valve bin inlet pipe (8).

6. The pressure reducing valve having a filtering and dirt-proofing capability according to claim 1, wherein: the fixing groove (19) penetrates through the inner surface of the valve bin outlet pipe (15), the appearance structure of the valve bin outlet pipe (15) is an L-shaped structure, and a sliding structure is formed between the filter element (18) and the fixing groove (19).