CN204312804U - Brass filter-type reduction valve - Google Patents

Brass filter-type reduction valve Download PDF

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Publication number
CN204312804U
CN204312804U CN201420704948.0U CN201420704948U CN204312804U CN 204312804 U CN204312804 U CN 204312804U CN 201420704948 U CN201420704948 U CN 201420704948U CN 204312804 U CN204312804 U CN 204312804U
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China
Prior art keywords
valve
diaphragm
filter
connecting plate
type reduction
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CN201420704948.0U
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Chinese (zh)
Inventor
刘朝军
徐辉
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Ningbo Amico Copper Valves Manufacturing Co Ltd
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Ningbo Amico Copper Valves Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of brass filter-type reduction valve, mainly be installed in tall building bypass line, it comprises valve body, valve gap, flap assembly, valve rod, diaphragm, diaphragm spring, adjusting bolt and dust cover etc., in the water-inlet cavity of valve body, be mainly provided with disjunctor extend and the upper junction plate closing water-inlet cavity, middle connecting plate and lower connecting plate, and intercommunicating pore is provided with on middle connecting plate, the cartridge filter of location and installation is provided with below intercommunicating pore, the filtration making the medium in water-inlet cavity can realize from inside to outside by cartridge filter after entering intercommunicating pore is improved by said structure, namely the impurity in medium all can be blocked in cartridge filter, and the chock plug only need dismantled bottom cartridge filter can take out cartridge filter when clearing up, prevent cartridge filter from causing impurity at random when clearing up and affecting scale removal process, it is reliable that filter-type reduction valve after improvement also has structure, installation and maintenance are simple, cleaning is convenient, the advantages such as good filtration effect.

Description

Brass filter-type reduction valve
Technical field
The utility model relates to a kind of reduction valve be installed in tall building bypass line, is especially with the brass filter-type reduction valve of automatic fitration function.
Background technique
Reduction valve is the conventional valve mechanism in a kind of tall building bypass line; it all needs additionally to install a filter in use; this had both improved the installation cost of pipeline; too increase the maintaining difficulty of pipeline; also have directly reduction valve to be arranged on and pipeline do not install any filtration protection facility; often easily cause reduction valve in use can not reduce pressure or effect of easing stress not obvious, thus extreme influence is caused to product performance.Disclosed China Patent No. is " a kind of reduction valve " of 201420229109.8, and it mainly arranges filter screen in the outlet of decompression, and in actual use, the filtering effect for pipeline internal medium does not bring too many lifting; And disclosed China Patent No. is " the filtering type adjustable pressure-reducing valve " of 201320862806.2, it arranges cartridge filter at the valve seat below flap assembly and between valve body inner bottom surface, flap assembly is passed through again by after the media filtration in pipeline by cartridge filter, but the filtration of this cartridge filter realizes from outside to inside, namely the impurities adhere in medium is outside cartridge filter, easily cause when cartridge filter is cleared up impurity at random, also affect scale removal process.Meanwhile, along with the continuous expansion in pipeline valve market, the valve mechanism of various design increases gradually, and Consumer also urgently wishes that valve manufacturer can release the reduction valve with different installation and filter type more, with satisfied use needs.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and provides that a kind of structure is reliable, installation and maintenance simple, cleaning is convenient, the brass filter-type reduction valve of good filtration effect.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of brass filter-type reduction valve, comprises valve body and the valve gap being arranged on body top; Be provided with valve pocket in described valve body, the two ends of this valve pocket are respectively equipped with water-inlet cavity and water chamber, are provided with valve opening, valve seat and the flap assembly through valve opening sealing keying valve seat in valve pocket; Be provided with between described valve gap and valve body and seal fixing diaphragm, this diaphragm will be separated into mutual disconnected diaphragm chamber and pressure regulating cavity respectively between valve gap and valve body, in diaphragm chamber, be provided with the diaphragm spring of pushing tow diaphragm, in valve body, be provided with the pressure sensitive hole being communicated with pressure regulating cavity and water chamber respectively; The movable valve rod installed also is provided with in described valve body, these valve rod two ends are fixedly connected on flap assembly and diaphragm respectively, be provided with disjunctor in described water-inlet cavity extend and close the upper junction plate of water-inlet cavity, middle connecting plate and lower connecting plate, in this, connecting plate is provided with intercommunicating pore, valve body bottom surface below this intercommunicating pore is provided with mounting hole and seals the chock plug be arranged in mounting hole, between intercommunicating pore and chock plug, be provided with cartridge filter, the two ends difference location and installation of this cartridge filter is on intercommunicating pore and chock plug.
Described middle connecting plate bottom surface is provided with the locating slot that a corral is combined in intercommunicating pore periphery, and described cartridge filter upper end location and installation is in this locating slot; Described chock plug inner bottom surface is provided with positioning hole, and described cartridge filter lower end location and installation is in this positioning hole.
Described upper junction plate and lower connecting plate are vertical center web, and middle connecting plate is horizontal connecting plate, and the upper, middle and lower connecting plate cross section of disjunctor is ladder-type.
Described flap assembly comprises the connecting stud being connected to valve rod lower end, and the end face of this connecting stud is provided with the fixing flap ring of setting-in, and the sealing of this flap ring opens and closes valve seat.
Described connecting stud end face is provided with the annular groove that a circle is fixed for described flap ring setting-in, and the valve body bottom surface below connecting stud is provided with mounting hole, is provided with the chock plug that sealing is installed in this mounting hole.
Described valve rod upper end is provided with hard-wired diaphragm pressing plate through diaphragm, and the bottom surface that this diaphragm pressing plate contacts with diaphragm is provided with water wave line, and described diaphragm spring lower end pushing installation is on diaphragm pressing plate.
Described valve rod is provided with and fixes the hexagonal boss of installing for described diaphragm and diaphragm wedge.
Described valve seat be a circle be arranged on valve opening bottom surface and with the round boss of valve opening concentric.
Described valve gap top is provided with adjusting bolt and adjusting nut, and linking springs seat in valve gap is stretched in this adjusting bolt lower end, and described diaphragm spring upper end pushing installation is on spring seat.
Described valve gap is provided with dust cover, in adjusting bolt and adjusting nut are all enclosed in by this dust cover.
Compared with prior art, the utility model is mainly provided with disjunctor and extends and the upper junction plate closing water-inlet cavity in the water-inlet cavity of valve body, middle connecting plate and lower connecting plate, and intercommunicating pore is provided with on middle connecting plate, the cartridge filter of location and installation is provided with below intercommunicating pore, the filtration making the medium in water-inlet cavity can realize from inside to outside by cartridge filter after entering intercommunicating pore is improved by said structure, namely the impurity in medium all can be blocked in cartridge filter, and the chock plug only need dismantled bottom cartridge filter can take out cartridge filter when clearing up, prevent cartridge filter from causing impurity at random when clearing up and affecting scale removal process, it is reliable that brass filter-type reduction valve after improvement also has structure, installation and maintenance are simple, cleaning is convenient, the advantages such as good filtration effect.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the sectional structure schematic diagram of valve body.
Fig. 3 is the plan view of Fig. 2.
Fig. 4 is the sectional structure schematic diagram of valve rod.
Fig. 5 is the plan view of Fig. 4.
Fig. 6 is the sectional structure schematic diagram of connecting stud.
Fig. 7 is the worm's eye view of Fig. 6.
Embodiment
To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 7, 1. chock plug, 2. "O"-ring, 3. cartridge filter, 4. valve body, 41. pressure regulating cavities, 42. water-inlet cavitys, connecting plate in 43., 431. intercommunicating pore, 432. locating slot, 44. upper junction plates, 45. valve rod holes, 46. pressure sensitive holes, 47. water chambers, 48. valve seats, 481. valve opening, 49. mounting holes, 40. lower connecting plates, 5. diaphragm, 6. diaphragm pressing plate, 7. valve gap, 71. diaphragm chambers, 8. valve rod, 81. hexagonal boss, 9. connecting stud, 91. annular grooves, 92. opening slots, 10. adjusting nut, 11. dust covers, 12. adjusting bolts, 13. spring seats, 14. diaphragm springs, 15. spring washers, 16. flap rings.
Brass filter-type reduction valve, as shown in Figure 1, belong to the one of brass reduction valve, be mainly installed on the pipeline valve in tall building bypass line, its structure is made up of valve body 4, valve gap 7, flap assembly, valve rod 8, diaphragm 5, diaphragm spring 14, adjusting bolt 12 and dust cover 11 etc.
Described valve body 4 as shown in Figure 2 and Figure 3, is provided with a water through valve pocket in it, the left and right two ends of valve pocket are respectively equipped with water-inlet cavity 42 and water chamber 47, should be equipped with internal thread to facilitate external intake pipe and outlet pipe respectively into and out of water cavity; Be provided with disjunctor in described water-inlet cavity 42 extend and close the upper junction plate 44 of water-inlet cavity, middle connecting plate 43 and lower connecting plate 40, this upper junction plate 44 and lower connecting plate 40 are vertical center web, middle connecting plate 43 is horizontal connecting plate, and being positioned on the shaft axis of water-inlet cavity 42, the cross section of the upper, middle and lower connecting plate of disjunctor is ladder-type; Simultaneously, middle connecting plate 43 is provided with circular intercommunicating pore 431, the shaft axis of this intercommunicating pore and the shaft axis of water-inlet cavity 42 are vertical positional relationship, be also provided with in middle connecting plate 43 bottom surface a corral be combined in intercommunicating pore 431 peripheral and with the locating slot 432 of intercommunicating pore concentric.
Described is just provided with the mounting hole 49 with intercommunicating pore coaxial inner conductor to valve body 4 bottom surface below intercommunicating pore 431, is provided with and is threaded and is formed the chock plug 1 sealing and install with "O"-ring 2, be provided with positioning hole at the inner bottom surface of chock plug in this mounting hole; Between described intercommunicating pore 431 and chock plug 1, columniform cartridge filter 3 is set, in this cartridge filter loads water-inlet cavity 42 by mounting hole 49 and is enclosed in by chock plug 1, and the upper end location and installation of cartridge filter 3 is in the locating slot 432 of middle connecting plate 43 bottom surface, lower end location and installation is in the positioning hole of chock plug 1, thus help the stable installation of cartridge filter 3, and then better realize the filtration by medium in water-inlet cavity 42.
The described enclosed construction into and out of being also provided with the similar ladder-type of cross section between water cavity, this ladder-type also has the horizontal connecting plate be positioned on water chamber 47 shaft axis, horizontal connecting plate is provided with upper and lower through valve opening 481, the bottom surface of horizontal connecting plate is provided with the round boss of a circle and valve opening concentric, to use as valve seat 48.
Be provided with valve rod hole 45 in valve body 4 above described valve opening 481, be provided with the valve rod 8 that can move up and down in it, this valve rod is provided with "O"-ring and contacts with valve rod hole 45, thus forms motive sealing; Described valve rod 8 lower end is provided with flap assembly through valve opening 481, this flap assembly mainly comprises one and is threaded and is fixed on the connecting stud 9 of valve rod 8 lower end, this connecting stud as shown in Figure 6, Figure 7, its end face is provided with a ring groove 91, and setting-in is fixed with flap ring 16 in annular groove, this flap ring carries out position by the spring washer 15 be arranged on connecting stud 9 to be fixed, when connecting stud 9 drives by valve rod 8 and moves up and down, flap ring 16 will carry out sealing with valve seat 48 and contact, thus realizes the keying of valve; Connecting stud 9 bottom surface is provided with opening slot 92, so that operate and be tightened on valve rod 8 lower end, improves efficiency of assembling; Valve body 4 bottom surface immediately below described connecting stud 9 is also provided with a mounting hole 49, is mainly convenient to connecting stud 9 and loads in this mounting hole, is provided with the chock plug 1 that thread seal is installed in mounting hole, with closing after installing.
Described valve body 4 top is provided with valve gap 7, diaphragm 5 is installed between valve body and valve gap, then the connection of valve body and valve gap is realized by the six roots of sensation connecting bolt between valve body 4 and valve gap 7, and diaphragm 5 is by the interval between valve gap 7 and valve body 4, Figure 1 shows that example, mutual disconnected diaphragm chamber 71 and pressure regulating cavity 41 will be separated between valve gap 7 and valve body 4 respectively by diaphragm 5, and valve rod 8 upper end will directly be fixed on diaphragm 5, its fixed structure is: on valve rod 8, be provided with one as Fig. 4, hexagonal boss 81 shown in Fig. 5, valve rod 8 is provided with the diaphragm pressing plate 6 be pressed abd fixed on by diaphragm in hexagonal boss 81 through the upper end of diaphragm 5, this diaphragm pressing plate is fixed by the nut of valve rod 8 upper end again, also can the maximum displacement of spacing diaphragm 5 by hexagonal boss 81, meanwhile, the bottom surface that diaphragm pressing plate 6 contacts with diaphragm 5 is provided with the water wave line of three concentric circles, to promote connection reliability.
Described pressure regulating cavity 41 be provided with the pressure sensitive hole 46 be connected between water chamber 47, facilitate the sensitive pressure change inducing water cavity 47, and promote the adjustment of flap assembly and stablize discharge pressure.
Be provided with diaphragm spring 14 in described diaphragm chamber 71, the valve gap 7 at diaphragm chamber 71 top is provided with adjusting bolt 12 and adjusting nut 10, is also provided with and is threaded in valve gap 7 top and adjusting bolt 12 and adjusting nut 10 are enclosed in interior dust cover 11; Described adjusting bolt 12 lower end is stretched in valve gap 7 and is connected with spring seat 13, diaphragm spring 14 upper end pushing installation in described diaphragm chamber 71 on diaphragm pressing plate 6, guarantees the stability of the stressed and pressure regulation of diaphragm spring 14 in spring seat 13 upper and lower end pushing installation by the adjustment of operation adjusting bolt 12 and adjusting nut 10.And the design of dust cover 11 can ensure that the reduction valve pressure after adjusting does not change by human intervention.
Medium of the present utility model enters reduction valve by cartridge filter 3, impurity in medium can be filtered cylinder 3 and filter in advance, then medium enters pressure regulating cavity 41 by the flap assembly opened through pressure sensitive hole 46, on diaphragm 5 is formed under the acting in conjunction of medium and diaphragm spring 14, lower movement, thus change reduction valve aperture, make pressure energy with change in pressure, the cleaning of cartridge filter 3 only need screw out corresponding chock plug 1 and take out, install and clear up very convenient, this brass filter-type reduction valve adjusting function is good, outlet pressure is stablized, fully meet and use needs.

Claims (10)

1. a brass filter-type reduction valve, comprises valve body (4) and is arranged on the valve gap (7) of body top, be provided with valve pocket in described valve body (4), the two ends of this valve pocket are respectively equipped with water-inlet cavity (42) and water chamber (47), are provided with valve opening (481), valve seat (48) and the flap assembly through valve opening (481) sealing keying valve seat (48) in valve pocket, be provided with between described valve gap (7) and valve body (4) and seal fixing diaphragm (5), this diaphragm will be separated into mutual disconnected diaphragm chamber (71) and pressure regulating cavity (41) respectively between valve gap and valve body, in diaphragm chamber (71), be provided with the diaphragm spring (14) of pushing tow diaphragm (5), in valve body (4), be provided with the pressure sensitive hole (46) being communicated with pressure regulating cavity (41) and water chamber (47) respectively, the movable valve rod (8) installed also is provided with in described valve body (4), these valve rod two ends are fixedly connected on flap assembly and diaphragm (5) respectively, it is characterized in that being provided with disjunctor in described water-inlet cavity (42) extends and the upper junction plate (44) closing water-inlet cavity, middle connecting plate (43) and lower connecting plate (40), in this, connecting plate (43) is provided with intercommunicating pore (431), valve body (4) bottom surface below this intercommunicating pore is provided with mounting hole (49) and seals the chock plug (1) be arranged in mounting hole, cartridge filter (3) is provided with between intercommunicating pore (431) and chock plug (1), the two ends difference location and installation of this cartridge filter is on intercommunicating pore (431) and chock plug (1).
2. brass filter-type reduction valve according to claim 1, it is characterized in that described middle connecting plate (43) bottom surface is provided with a corral and is combined in the peripheral locating slot (432) of intercommunicating pore (431), described cartridge filter (3) upper end location and installation is in this locating slot (432); Described chock plug (1) inner bottom surface is provided with positioning hole, and described cartridge filter (3) lower end location and installation is in this positioning hole.
3. brass filter-type reduction valve according to claim 1, it is characterized in that described upper junction plate (44) and lower connecting plate (40) are vertical center web, middle connecting plate (43) is horizontal connecting plate, and the upper, middle and lower connecting plate cross section of disjunctor is ladder-type.
4. brass filter-type reduction valve according to claim 1, it is characterized in that described flap assembly comprises the connecting stud (9) being connected to valve rod (8) lower end, the end face of this connecting stud is provided with the fixing flap ring (16) of setting-in, and the sealing of this flap ring opens and closes valve seat (48).
5. brass filter-type reduction valve according to claim 4, it is characterized in that described connecting stud (9) end face is provided with the fixing annular groove (91) of described flap ring (16) setting-in of a circle confession, valve body (4) bottom surface of connecting stud (9) below is provided with mounting hole (49), is provided with the chock plug (1) that sealing is installed in this mounting hole.
6. brass filter-type reduction valve according to claim 1, it is characterized in that described valve rod (8) upper end is provided with hard-wired diaphragm pressing plate (6) through diaphragm (5), the bottom surface that this diaphragm pressing plate contacts with diaphragm (5) is provided with water wave line, and described diaphragm spring (14) lower end pushing installation is on diaphragm pressing plate (6).
7. brass filter-type reduction valve according to claim 6, it is characterized in that described valve rod (8) be provided with for described diaphragm (5) and diaphragm wedge (6) fix installation hexagonal boss (81).
8. brass filter-type reduction valve according to claim 1, it is characterized in that described valve seat (48) be a circle be arranged on valve opening (481) bottom surface and with the round boss of valve opening concentric.
9. brass filter-type reduction valve according to claim 1, it is characterized in that described valve gap (7) top is provided with adjusting bolt (12) and adjusting nut (10), the interior linking springs seat (13) of valve gap (7) is stretched in this adjusting bolt (12) lower end, and described diaphragm spring (14) upper end pushing installation is on spring seat (13).
10. brass filter-type reduction valve according to claim 9, is characterized in that described valve gap (7) is provided with dust cover (11), in adjusting bolt (12) and adjusting nut (10) are all enclosed in by this dust cover.
CN201420704948.0U 2014-11-22 2014-11-22 Brass filter-type reduction valve Active CN204312804U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420704948.0U CN204312804U (en) 2014-11-22 2014-11-22 Brass filter-type reduction valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420704948.0U CN204312804U (en) 2014-11-22 2014-11-22 Brass filter-type reduction valve

Publications (1)

Publication Number Publication Date
CN204312804U true CN204312804U (en) 2015-05-06

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ID=53135122

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420704948.0U Active CN204312804U (en) 2014-11-22 2014-11-22 Brass filter-type reduction valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105003734A (en) * 2015-06-24 2015-10-28 何小平 Flow diversion pressure reducing valve
CN113108069A (en) * 2021-04-20 2021-07-13 浙江罡达机械制造有限公司 Regulating valve convenient for regulating opening degree

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105003734A (en) * 2015-06-24 2015-10-28 何小平 Flow diversion pressure reducing valve
CN113108069A (en) * 2021-04-20 2021-07-13 浙江罡达机械制造有限公司 Regulating valve convenient for regulating opening degree

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