Regulating valve with filtering function

Abstract

The utility model discloses a regulating valve with a filtering function, which comprises a horizontally arranged valve body, two ends of the valve body are respectively provided with a water inlet and a water outlet, a channel for water to pass through is arranged in the valve body, two ends of the channel are respectively communicated with the water inlet and the water outlet, and a valve body wall for cutting off the water is arranged in the valve body. A middle distance ring for water to pass through is arranged in the middle of the wall of the valve body, a valve cover is connected to the upper end face of the valve body, a pressure adjusting mechanism is connected to the valve cover, the shape and size of the lower end of the pressure adjusting mechanism are matched with those of the middle distance ring, and a first filtering structure is arranged between the two ends of the wall of the valve body and the valve cover and surrounds the middle distance ring. And a second filtering structure communicates between the water inlet pipe and the water inlet, and the problem that impurities in an existing tap water supply pipe enter a fireproof pipe and then are accumulated, so that the amount of water conveyed in the waterproof pipe is small, and finally the fire extinguishing effect is affected is solved.

Description

Technical Field

[0001] The utility model belongs to the field of a regulating valve with a filtering function at a water inlet end of a fireproof pipe, and relates to a regulating valve with a filtering function. Background Art

[0002] The fireproof pipe is a steel pipe made of hot-dip galvanized steel plate as raw material. The surface of the steel pipe is decontaminated to ensure that the outer wall has strong paint adhesion. The surface of the steel pipe is coated with an ultra-thin BF-2 fire-retardant paint topcoat to make a fire-proof and fire-fighting special steel wire pipe product, which can not only meet the fireproof performance requirements but also increase the anti-corrosion performance. One end of the fireproof pipe is connected to the water supply pipe of the tap water, and the tap water contains a small amount of impurities, including mud, algae, and rust peeling off from old pipelines. These impurities are easily accumulated after being transported to the inside of the fireproof pipe for a long time, and excessive accumulation of impurities can easily cause the fireproof pipe to be blocked. When the fireproof pipe is needed to output water for fire extinguishing, it is easy to cause too little water, and thus the fire extinguishing effect cannot be achieved, thereby affecting the optimal fire extinguishing time. Therefore, in order to solve the above-mentioned technical problems, the technical solution of the present application is set. Utility Model Content

[0003] The purpose of the utility model is to provide a regulating valve with a filtering function to solve the above-mentioned technical problems.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A regulating valve with a filtering function comprises a horizontally arranged valve body, wherein two ends of the valve body are respectively provided with a water inlet and a water outlet, a passage for water to pass through is arranged inside the valve body, and the two ends of the passage are respectively connected with the water inlet and the water outlet, a valve body wall for cutting off the water is arranged inside the valve body, a septum ring for water to pass through is arranged in the middle of the valve body wall, a valve cover is connected to the upper end face of the valve body, a pressure regulating mechanism is connected to the valve cover, the shape and size of the lower end of the pressure regulating mechanism match those of the septum ring, a first filtering structure is between the two ends of the valve body wall and the valve cover, the first filtering structure surrounds the septum ring, a water inlet pipe is arranged at one end of the water inlet, and a second filtering structure is connected between the water inlet pipe and the water inlet.

[0006] The working principle of the utility model is as follows: a water inlet arranged at one end of the valve body is used to communicate with a first filtering structure, the first filtering structure is used to filter impurities with larger particle sizes in tap water, one end of the first filtering structure is used to communicate with a water inlet pipe, the water inlet pipe is used to communicate with a water supply pipe of tap water, the water body initially filtered by the first filtering structure enters the water inlet, and then enters the septum ring, the upper end of the valve body is used to connect the valve cover, the valve cover is used to connect the pressure regulating mechanism, by adjusting the height of the pressure regulating mechanism, and then adjusting the distance between the lower end of the pressure regulating mechanism and the septum ring, finally adjusting the water output of the water outlet, the middle part of the valve body wall is used to set A central spacer ring is provided, and the four sides of the valve body wall are used to connect with the lower end of the first filter structure, and the upper end of the first filter structure is connected to the valve cover. The first filter structure is used to facilitate re-filtration of the water body, thereby facilitating the removal of impurities with smaller particle sizes in the tap water. The first filter structure cooperates with the second filter structure to facilitate the full removal of impurities in the tap water, thereby avoiding the formation of scale by impurities inside the fireproof pipe and affecting the water output of the fireproof pipe. This solves the problem that impurities inside the existing tap water supply pipe enter the fireproof pipe and accumulate, thereby causing a small amount of water to be transported inside the fireproof pipe, ultimately affecting the fire extinguishing effect.

[0007] Furthermore: a threaded hole is provided on the upper end surface of the valve body, a through hole for the stud to pass through is provided on the valve cover, and the valve cover is connected to the upper end surface of the valve body through threads.

[0008] Furthermore: the pressure regulating mechanism includes a pressure regulating rod, which is connected to the valve cover through a sealing ring. A nut for locking the pressure regulating rod is connected to the outer wall of the pressure regulating rod, and the nut is located outside the valve cover. The lower end face of the pressure regulating rod is connected to a valve core, and the valve core is located inside the channel and above the septum ring.

[0009] Furthermore: a compression spring is provided between the pressure regulating rod and the valve core, the upper end of the compression spring is connected to the outer wall of the pressure regulating rod, and the lower end of the compression spring is connected to the upper end surface of the valve core.

[0010] Furthermore: the first filtering structure includes an annular filter core, the interior of the annular filter core is provided with filter cotton for filtering impurities, the upper end of the annular filter core abuts against the valve cover, and the lower end of the annular filter core abuts against the four sides of the valve body wall.

[0011] Furthermore: the second filtering structure comprises a filtering tube, both ends of which are detachably connected to the water inlet and the water inlet pipe respectively, and an annular filtering layer for filtering impurities is provided on the inner wall of the filtering tube.

[0012] Furthermore: both ends of the inner wall of the filter tube are respectively provided with limit blocks for limiting the position of the annular filter layer, and a cut-off valve for cutting off the water body is provided on the water inlet pipe.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. A regulating valve with filtering function, through the cooperation of the first filtering structure and the second filtering structure, is convenient for fully removing impurities in tap water, avoiding the impurities from forming scale inside the fireproof pipe, and avoiding affecting the water output of the fireproof pipe;

[0015] 2. In the utility model, the annular filter element is convenient for moving the water to the water outlet through the middle septum ring for re-filtration, and the pore size of the filter cotton is set to be smaller than the pore size of the annular filter layer, so as to facilitate re-filtration of impurities with smaller particle sizes in tap water. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present utility model and should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work, including:

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Markings in the figure: 1-valve body, 2-water inlet, 3-water outlet, 4-channel, 5-valve body wall, 6-middle diaphragm ring, 7-valve cover, 8-water inlet pipe, 9-stud, 10-pressure regulating rod, 11-sealing ring, 12-nut, 13-valve core, 14-compression spring, 15-annular filter element, 16-filter cotton, 17-filter tube, 18-annular filter layer, 19-limit block, 20-shut-off valve. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0021] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0022] The features and performance of the present invention are further described in detail below in conjunction with the embodiments.

[0023] Embodiment 1

[0024] The utility model provides a regulating valve with filtering function, such as Figure 1 As shown, it includes a horizontally arranged valve body 1, with a water inlet 2 and a water outlet 3 respectively provided at two ends of the valve body 1, a channel 4 for water to pass through is provided inside the valve body 1, and the two ends of the channel 4 are respectively connected with the water inlet 2 and the water outlet 3, a valve body wall 5 for cutting off the water body is provided inside the valve body 1, and a septum ring 6 for water to pass through is provided in the middle of the valve body wall 5, a valve cover 7 is connected to the upper end face of the valve body 1, and a pressure regulating mechanism is connected to the valve cover 7, and the shape and size of the lower end of the pressure regulating mechanism match the shape and size of the septum ring 6, a first filtering structure is provided between the two ends of the valve body wall 5 and the valve cover 7, and the first filtering structure surrounds the septum ring 6, a water inlet pipe 8 is provided at one end of the water inlet 2, and a second filtering structure is connected between the water inlet pipe 8 and the water inlet 2.

[0025] The specific implementation method of this embodiment is as follows: the water inlet arranged at one end of the valve body is used to communicate with the first filtering structure, the first filtering structure is used to filter impurities with larger particle sizes in the tap water, one end of the first filtering structure is used to communicate with the water inlet pipe, the water inlet pipe is used to communicate with the water supply pipe of the tap water, the water body initially filtered by the first filtering structure enters the water inlet, and then enters the septum ring, the upper end of the valve body is used to connect the valve cover, the valve cover is used to connect the pressure regulating mechanism, by adjusting the height of the pressure regulating mechanism, the distance between the lower end of the pressure regulating mechanism and the septum ring is adjusted, and finally the water output of the water outlet is adjusted, the middle part of the valve body wall is used to set the septum ring, the surrounding of the valve body wall is used to connect with the lower end of the first filtering structure, the upper end of the first filtering structure is connected to the valve cover, the first filtering structure is used to facilitate the re-filtration of the water body, and then facilitate the removal of impurities with smaller particle sizes in the tap water, the first filtering structure cooperates with the second filtering structure, and it is convenient to fully remove impurities in the tap water, avoid the impurities from forming scale inside the fireproof pipe, and avoid affecting the water output of the fireproof pipe.

[0026] Preferably, the first filter structure can be easily taken out by disassembling the valve cover, thereby facilitating replacement of the first filter structure, and the second filter structure can be easily replaced by loosening the connection between the second filter structure and the water inlet pipe and the water inlet, thereby achieving the purpose of fully removing impurities over a long period of time.

[0027] Embodiment 2

[0028] The utility model provides a regulating valve with filtering function, such as Figure 1 As shown, a threaded hole is provided on the upper end surface of the valve body 1, a through hole for the stud 9 to pass through is provided on the valve cover 7, and the valve cover 7 is connected to the upper end surface of the valve body 1 through threads.

[0029] The pressure regulating mechanism includes a pressure regulating rod 10, which is connected to the valve cover 7 through a sealing ring 11. A nut 12 for locking the pressure regulating rod 10 is connected to the outer wall of the pressure regulating rod 10, and the nut 12 is located outside the valve cover 7. The lower end face of the pressure regulating rod 10 is connected to a valve core 13, and the valve core 13 is located inside the channel 4 and above the septum ring 6.

[0030] A compression spring 14 is provided between the pressure regulating rod 10 and the valve core 13 . The upper end of the compression spring 14 is connected to the outer wall of the pressure regulating rod 10 , and the lower end of the compression spring 14 is connected to the upper end surface of the valve core 13 .

[0031] The specific implementation method of this embodiment is: the lower end of the stud passes through the through hole into the threaded hole, and then the external thread of the stud is threadedly connected with the internal thread of the threaded hole, and then the valve cover is locked by the nut outside the valve cover, thereby facilitating the purpose of connecting the valve cover and the valve body.

[0032] The lower end of the pressure regulating rod is located inside the channel and the bottom is used to connect the valve core. By setting the shape and size of the valve core to match the shape and size of the septum ring, it is convenient to achieve the purpose of sealing the septum ring when moving downward. The pressure regulating rod is sealed with the valve cover through the sealing ring, and the pressure regulating rod and the valve cover are locked by the nut, and the nut can also facilitate limiting the position of the sealing ring.

[0033] The compression spring makes the valve core extend downward, thereby facilitating the valve core to be reset and making the valve core fit with the septum ring.

[0034] Embodiment 3

[0035] The utility model provides a regulating valve with filtering function, such as Figure 1 As shown, the first filtering structure includes an annular filter core 15 , inside of which is provided a filter cotton 16 for filtering impurities, the upper end of the annular filter core 15 abuts against the valve cover 7 , and the lower end of the annular filter core 15 abuts against the periphery of the valve body wall 5 .

[0036] The second filtering structure includes a filtering tube 17 , both ends of which are detachably connected to the water inlet 2 and the water inlet pipe 8 , respectively. An annular filtering layer 18 for filtering impurities is provided on the inner wall of the filtering tube 17 .

[0037] Limit blocks 19 for limiting the position of the annular filter layer 18 are respectively provided at both ends of the inner wall of the filter tube 17 , and a cut-off valve 20 for cutting off the water body is provided on the water inlet pipe 8 .

[0038] The specific implementation method of this embodiment is: the annular filter element is convenient for moving the water to the water outlet through the middle septum ring for re-filtration. Preferably, the pore size of the filter cotton is set smaller than the pore size of the annular filter layer, so as to facilitate re-filtration of impurities with smaller particle sizes in tap water.

[0039] The two ends of the filter ring are conveniently connected and disassembled with the water inlet and the water inlet pipe through studs and nuts, thereby facilitating the replacement of the annular filter layer inside the filter tube. By setting limit blocks at both ends of the inner wall of the filter tube, the position of the annular filter layer can be restricted, so that the annular filter layer can filter impurities with larger particle sizes in tap water.

[0040] Preferably, a shut-off valve is provided on the water inlet pipe to facilitate opening or closing the channel inside the water inlet pipe, thereby facilitating replacement of the annular filter element and / or the annular filter layer.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions and improvements made by any technician familiar with the field within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A regulating valve with filtering function, characterized in that: The invention comprises a valve body (1) arranged horizontally, wherein two ends of the valve body (1) are respectively provided with a water inlet (2) and a water outlet (3), a channel (4) for water to pass through is provided inside the valve body (1), and two ends of the channel (4) are respectively connected with the water inlet (2) and the water outlet (3), a valve body wall (5) for cutting off the water is provided inside the valve body (1), and a septum ring (6) for water to pass through is provided in the middle of the valve body wall (5), the upper end surface of the valve body (1) is connected with a valve cover (7), and a pressure regulating mechanism is connected with the valve cover (7), and the shape and size of the lower end of the pressure regulating mechanism match the shape and size of the septum ring (6), a first filtering structure is provided between the two ends of the valve body wall (5) and the valve cover (7), and the first filtering structure surrounds the septum ring (6), a water inlet pipe (8) is provided at one end of the water inlet (2), and a second filtering structure is connected between the water inlet pipe (8) and the water inlet (2).

2. The regulating valve with filtering function according to claim 1, characterized in that: The upper end surface of the valve body (1) is provided with a threaded hole, the valve cover (7) is provided with a through hole for the stud (9) to pass through, and the valve cover (7) is connected to the upper end surface of the valve body (1) through threads.

3. The regulating valve with filtering function according to claim 1, characterized in that: The pressure regulating mechanism comprises a pressure regulating rod (10), the pressure regulating rod (10) is connected to the valve cover (7) via a sealing ring (11), a nut (12) for locking the pressure regulating rod (10) is connected to the outer wall of the pressure regulating rod (10), the nut (12) is located outside the valve cover (7), the lower end surface of the pressure regulating rod (10) is connected to a valve core (13), and the valve core (13) is located inside the channel (4) and above the septum ring (6).

4. The regulating valve with filtering function according to claim 3, characterized in that: A compression spring (14) is provided between the pressure regulating rod (10) and the valve core (13), the upper end of the compression spring (14) is connected to the outer wall of the pressure regulating rod (10), and the lower end of the compression spring (14) is connected to the upper end surface of the valve core (13).

5. The regulating valve with filtering function according to claim 1, characterized in that: The first filtering structure comprises an annular filter core (15), wherein a filter cotton (16) for filtering impurities is arranged inside the annular filter core (15), the upper end of the annular filter core (15) abuts against the valve cover (7), and the lower end of the annular filter core (15) abuts against the periphery of the valve body wall (5).

6. The regulating valve with filtering function according to claim 1, characterized in that: The second filtering structure comprises a filtering tube (17), the two ends of which are detachably connected to the water inlet (2) and the water inlet pipe (8), respectively, and the inner wall of the filtering tube (17) is provided with an annular filtering layer (18) for filtering impurities.

7. The regulating valve with filtering function according to claim 6, characterized in that: Limit blocks (19) for limiting the position of the annular filter layer (18) are respectively provided at both ends of the inner wall of the filter tube (17), and a cut-off valve (20) for cutting off the water body is provided on the water inlet pipe (8).

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