CN204459227U

CN204459227U - In-wall antifreezing draw-off valve

Info

Publication number: CN204459227U
Application number: CN201520025581.4U
Authority: CN
Inventors: 王海英; 郑礼军
Original assignee: Ningbo Amico Copper Valves Manufacturing Co Ltd
Current assignee: Ningbo Amico Copper Valves Manufacturing Co Ltd
Priority date: 2015-01-15
Filing date: 2015-01-15
Publication date: 2015-07-08
Anticipated expiration: 2025-01-15

Abstract

The utility model discloses a kind of in-wall antifreezing draw-off valve, relate to the valve mechanism that in water supply system, water supply controls, mainly be made up of valve body, dewatering outlet, valve gap, valve rod assembly, sleeve pipe, joints sleeve, mangetic core assembly and connection pipe fitting etc., and the mangetic core assembly opened and closed by control valve is hidden by sleeve pipe and joints sleeve and is arranged in body of wall, only expose operative section and dewatering outlet in outdoor, therefore by room heater, the mangetic core assembly in body of wall is incubated, effectively prevent the phenomenon that valve bursting by freezing and mangetic core assembly freeze and cannot operate; Mangetic core assembly is adopted the rotation on-off structure of dynamic and static ceramic valve core simultaneously, wear resistance, anti-corrosive properties and sealing can be improved, also the dewatering outlet on valve body is set to downward-sloping, make not easily to retain ponding at body cavity during valve closing, and safety check is set flows backwards to prevent water outlet, therefore the antifreezing draw-off valve after improving has reasonable in design, low-profile, the advantage such as easy for installation, is more conducive to promote the use of.

Description

In-wall antifreezing draw-off valve

Technical field

The utility model relates to the water drain valve structure in a kind of pipeline valve, especially in-wall antifreezing draw-off valve.

Background technique

The water supply device, particularly northern ice box such as the tap used out of doors winter, valve, if antifreezing measure are not in place, often cause normally using, therefore must use the water supply device with antifreeze function, as antifreezing draw-off valve etc.Disclosed China Patent No. is " a kind of antifreeze automatically controlled discharging valve " of 201320395038.4, and it realizes antifreeze object by the form of built-in temperature control heater, and it is antifreeze, and what mainly solve is the problem that drain opening is frozen; But under many circumstances, freezing of discharging valve is main from spool, and namely spool was subject to the freezing locked of low temperature and cannot operates, and above-mentioned antifreezing draw-off valve also exists overall construction design complexity, profile is huge, installation is inconvenient, be unfavorable for the defects such as popularization.

Summary of the invention

Technical problem to be solved in the utility model is to overcome the defect of prior art and provides a kind of reasonable in design, low-profile, easy for installation, the in-wall antifreezing draw-off valve that can effectively prevent mangetic core assembly from freezing at low temperatures.

Technical problem of the present utility model is achieved through the following technical solutions:

A kind of in-wall antifreezing draw-off valve, comprise valve body, be sealedly connected on the valve gap of valve body outer end, rotary seal is arranged on the valve rod assembly in valve gap and the mangetic core assembly by valve rod assembly driving keying, described valve body the inner is provided with the sleeve pipe be tightly connected, and this cannula tip is provided with the joints sleeve be tightly connected; Be provided with the inner chamber interconnected in described valve body, sleeve pipe and joints sleeve, described sleeve pipe and joints sleeve are hidden and are arranged in body of wall; Described mangetic core assembly sealing is arranged in the inner chamber of sleeve pipe and joints sleeve, is provided with and is connected to each other and forms the connection pipe fitting driven between described valve rod assembly and mangetic core assembly.

Described body base is provided with downward-sloping dewatering outlet, the intracavity inter-connection of this dewatering outlet and valve body.

Described mangetic core assembly comprises the valve core and cartridge cover that are tightly connected, the sealing of this valve core is arranged in joints sleeve, be provided with in this cartridge cover match and form rotate open and close quiet ceramic valve core move ceramic valve core, and rotary seal is arranged on the valve core rod in cartridge cover, this valve core rod the inner is in transmission connection dynamic ceramic valve core, valve core rod outer end is stretched out cartridge cover and is fixed with connection pipe fitting and be connected, and cartridge cover is also provided with water intake.

Be provided with the safety check being made outside pushing tow by spring in described valve core, between this safety check and quiet ceramic valve core, be provided with pad and rubber seal.

Be respectively equipped with between described cartridge cover internal surface and quiet ceramic valve core outer surface and form equipped fixing locating slot and lug.

Described valve core rod the inner is provided with the flat axle of the flat axle in end and middle part, is provided with spacing round platform between the flat axle of the flat axle in this end and middle part.

Described dynamic ceramic valve core exterior edge face is provided with flat groove, and the flat axle of this flat groove and described end is equipped with and is formed and is in transmission connection; Described cartridge cover internal surface is provided with curve bath, and the flat axle in described middle part to be fitted in this curve bath and to form rotary spacing.

Described valve rod assembly comprises rotary seal and is arranged on valve rod in valve gap, this valve rod the inner is stretched into valve body and is fixed with connection pipe fitting and be connected, valve rod outer end is stretched out valve gap and is provided with the handwheel that is in transmission connection or hides and be arranged in antifouling cover, and this antifouling cover is connected on valve gap.

Described valve body inner end is provided with the decorative sheet be fixedly mounted on body of wall, is provided with foam plastic cushion between this decorative sheet and body of wall.

Described connection pipe fitting comprises the connecting copper pipe and connecting head that are connected to each other, and this connecting copper pipe outer end is fixedly connected on valve rod assembly, and this connecting head fixes with described mangetic core assembly and is connected.

Compared with prior art, the mangetic core assembly that control valve mainly opens and closes by the utility model is hidden by sleeve pipe and joints sleeve and is arranged in body of wall, only expose operative section and dewatering outlet in outdoor, because there is heating installation the indoor of northern area, therefore by heating installation, the mangetic core assembly in body of wall is incubated, effectively prevent the phenomenon that valve bursting by freezing and mangetic core assembly freeze and cannot operate; Mangetic core assembly is adopted the rotation on-off structure of dynamic and static ceramic valve core simultaneously, wear resistance, anti-corrosive properties and sealing can be improved, also the dewatering outlet on valve body is set to downward-sloping, make not easily to retain ponding at body cavity during valve closing, and safety check is set flows backwards to prevent water outlet, therefore the antifreezing draw-off valve after improving has reasonable in design, low-profile, the advantage such as easy for installation, is more conducive to promote the use of.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model (handwheel is installed in valve rod outer end).

Fig. 2 is structural representation of the present utility model (antifouling cover is installed in valve rod outer end).

Fig. 3 is the structural representation of mangetic core assembly.

Fig. 4 is the structural representation of cartridge cover.

Fig. 5 is one of them line of vision stereogram of Fig. 4.

Fig. 6 is another line of vision stereogram of Fig. 4.

Fig. 7 is the structural representation of quiet ceramic valve core.

Fig. 8 is the structural representation of ceramic valve core.

Fig. 9 is the structural representation of valve core rod.

Figure 10 is the sectional structure schematic diagram that connection pipe fitting is connected with valve rod.

Embodiment

To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.

As shown in Fig. 1 ~ Figure 10, 1. valve body, 2. actinal surface packing ring, 3. valve gap, 4. valve rod assembly, 41. valve rods, 42. elastic washers, 43. screws, 44. vinyl covers, 5. handwheel, 6. "O"-ring, 7. dewatering outlet, 8. connection pipe fitting, 81. connecting copper pipes, 82. connecting heads, 83. pins, 9. mangetic core assembly, 91. springs, 92. safety check, 93. valve cores, 94. pads, 95. rubber seal, 96. quiet ceramic valve cores, 961. lug, 962. water port, 97. dynamic ceramic valve cores, 971. flat grooves, 98. cartridge cover, 981. locating slot, 982. curve bath, 983. water intake, 99. valve core rods, the 991. flat axles in end, flat axle in the middle part of in the of 992., 10. gland nut, 11. decorative sheets, 12. foam plastic cushions, 13. sleeve pipes, 14. joints sleeves, 15. supply channels, 16. antifouling covers, 17. endoporus, 18. private keys.

In-wall antifreezing draw-off valve, as shown in Figure 1, relate to the discharging valve that in a kind of water supply system, water supply controls, particularly supply the water supply device of outdoor application under cold low temperature environment, its structure is mainly made up of valve body 1, valve gap 3, valve rod assembly 4, sleeve pipe 13, joints sleeve 14, mangetic core assembly 9, connection pipe fitting 8 and handwheel 5 etc., view left end shown in Fig. 1 is set to the inner by the mounting type according to whole valve by this discharging valve, and the view right-hand member shown in Fig. 1 is set to outer end.

Described valve body 1 profile is horizontal hollow circular cylinder shape, is provided with the inner chamber that left and right level is through in it, and whole in actual use valve body 1 will expose outside outward; Be provided with downward-sloping dewatering outlet 7 bottom valve body 1, the intracavity inter-connection of this dewatering outlet and valve body 1, the ponding that can be used for discharge valve body 1 inner chamber, to prevent from freezing, arranges pipe thread in dewatering outlet 7, can be connected with rising pipe.

Described valve gap 3 is threaded in valve body 1 outer end, i.e. right-hand member, sealing is connected between the two by actinal surface packing ring 2, valve rod assembly 4 is provided with in valve gap 3, this valve rod assembly comprises a horizontal positioned and the valve rod 41 of rotary seal installation, arranges "O"-ring 6 as dynamic seal between valve rod and valve gap 3; Described valve rod 41 the inner is stretched into valve body 1 and is fixed with connection pipe fitting 8 and be connected, valve rod 41 outer end is stretched out valve gap 3 and is connected with handwheel 5 with spline drived, this handwheel is pressed abd fixed on valve rod 41 by screw 43 again, and screw is closed with the vinyl cover 44 be arranged on handwheel 5 to do process attractive in appearance; Meanwhile, circlip 42 that setting-in fixes also is provided with in valve rod 41 outer end to carry out the location of valve rod 41 mounting point.Certainly, also can hide as shown in Figure 2 after valve gap 3 is stretched out in valve rod 41 outer end is arranged in antifouling cover 16, this antifouling cover is threaded on valve gap 3, antifouling cover 16 is provided with endoporus 17, endoporus 17 ability rotating operation valve rod 41 must be passed by the private key 18 with inner splined hole shown in Fig. 2, therefore serve the effect preventing valve stolen.

Described sleeve pipe 13 sealing is fixedly mounted on valve body 1 the inner, i.e. left end, and sleeve pipe 13 directly inserts body of wall to do to hide setting, mounting structure between described sleeve pipe 13 and valve body 1 is: sleeve pipe 13 outer end is provided with a circle and takes on outward, connected fixing with the gland nut 10 being threaded in valve body inner end after should inserting valve body 1 the inner with sleeve pipe 13 outer end of outer shoulder, "O"-ring 6 is set between outer shoulder and valve body 1 to connect sealing; Simultaneously, decorative sheet 11 is also connected to valve body inner end by gland nut 10 simultaneously, this decorative sheet is the inside rectangular box-shaped structure of an opening, when sleeve pipe 13 inserts after in body of wall, decorative sheet 11 will form pertinent relation with body of wall, between decorative sheet 11 and body of wall, arrange foam plastic cushion 12 isolate, then adjust the position of decorative sheet 11 and screw of screwing on can be fixed, the profile after valve installation greatly attractive in appearance.

The slotting bellmouth of described joints sleeve 14 outer end and sleeve pipe 13 the inner is welded, joints sleeve 14 is hidden together in company with sleeve pipe 13 and is arranged in body of wall, and joints sleeve 14 and the supply channel 15 be exposed at outside end in body of wall pass through to weld, are threaded, cutting ferrule is connected etc., and structural type realizes connecting supplies water.

Also be provided with inner chamber in described joints sleeve 14, sleeve pipe 13, and the inner chamber of this inner chamber and valve body 1 interconnects; Wherein, mangetic core assembly 9 is just mounted in the inner chamber of joints sleeve 14 and sleeve pipe 13.

As shown in Figure 3, it comprises valve core 93 and cartridge cover 98 that screw thread is connected to each other to described mangetic core assembly, is provided with "O"-ring 6 between the two and connects sealing, described valve core 93 is mainly arranged in joints sleeve 14 by two pass "O"-ring 6 sealing, be provided with spring 91 in this valve core 93 and made the plastics safety check 92 of outside pushing tow by spring, safety check outer surface setting-in "O"-ring 6 contacts with valve core 93 internal surface and seals to be formed to install, be provided with a set of mutual rotation in described cartridge cover 98 and realize water flowing open and close quiet ceramic valve core 96 and dynamic ceramic valve core 97, this quiet ceramic valve core 96 location and installation is in cartridge cover 98, its mounting type is provided with one group as Fig. 4 at cartridge cover 98 internal surface, locating slot 981 shown in Fig. 5, and the excircle of quiet ceramic valve core 96 is provided with lug 961 as shown in Figure 7, when lug is equipped be fixed in locating slot 981 time, also just make quiet ceramic valve core 96 to be fixedly installed in cartridge cover 98 and cannot rotate, quiet ceramic valve core 96 is provided with a pair centrosymmetric fan shape water port 962 to coordinate dynamic ceramic valve core 97 to form break-make.

Described dynamic ceramic valve core 97 as shown in Figure 8, its exterior edge face is provided with flat groove 971 structure, interior edge face and quiet ceramic valve core 96 are done tactile also the formation relative to quiet ceramic valve core 96 of sealing paste splice grafting and are rotated, thus the water port 962 opened and closed on quiet ceramic valve core 96, in the cartridge cover 98 moving ceramic valve core 97 in correspondence, the water intake 983 be provided with as shown in Figure 6 is intake to make valve body 1 inner chamber.

Simultaneously, pad 94 and rubber seal 95 is also provided with between the safety check 92 of spring 91 pushing tow and quiet ceramic valve core 96, by spring 91 pushing tow, pad 94 is leaned on the endoporus shoulder of cartridge cover 98, thus ensure the seal compression of rubber seal 95 and fitting tightly of dynamic and static ceramic valve core.

A horizontal positioned is also provided with and the valve core rod 99 of the installation that rotated by "O"-ring 6 in described cartridge cover 98, this valve core rod as shown in Figure 9, its the inner is provided with the flat axle 992 of the flat axle in end 991 and middle part, spacing round platform is provided with between the flat axle of the flat axle in this end 991 and middle part 992, the flat axle in end wherein 991 be transmission be fitted in dynamic ceramic valve core 97 exterior edge face flat groove 971 in drive dynamic ceramic valve core 97 to rotate, the flat axle 992 in middle part is that two curve baths 982 preset with cartridge cover 98 internal surface carry out corresponding, namely the flat axle 992 in middle part to be fitted in curve bath 982 and to form the rotary spacing of 90 degree, described valve core rod 99 outer end is stretched out cartridge cover 98 and is fixed with connection pipe fitting 8 and be connected.

Described connection pipe fitting 8 as shown in Figure 10, it comprises the connecting copper pipe 81 and connecting head 82 that are connected to each other, this connecting copper pipe 81 outer end is fixedly connected on valve rod 41 the inner, this connecting head 82 is fixedly connected on valve core rod 99 outer end by pin 83, thus plays the effect operational power on valve rod assembly 4 be passed on mangetic core assembly 9.

The utility model is owing to all adopting in-wall mounting structure by sleeve pipe 13, joints sleeve 14 and mangetic core assembly 9, and outdoor only outside operative section and dewatering outlet 7, will be exposed at, therefore just carry out the mangetic core assembly in warm body of wall by room heater at the northern area of cold, thus prevent freezing and cannot operating of mangetic core assembly 9, also effectively prevent valve bursting by freezing, serve good antifreezing effect.

Claims

1. an in-wall antifreezing draw-off valve, comprise valve body (1), be sealedly connected on the valve gap (3) of valve body outer end, rotary seal is arranged on the valve rod assembly (4) in valve gap (3) and the mangetic core assembly (9) by valve rod assembly driving keying, it is characterized in that described valve body (1) the inner is provided with the sleeve pipe (13) be tightly connected, this cannula tip is provided with the joints sleeve (14) be tightly connected; Be provided with the inner chamber interconnected in described valve body (1), sleeve pipe (13) and joints sleeve (14), described sleeve pipe (13) and joints sleeve (14) are hidden and are arranged in body of wall; Described mangetic core assembly (9) sealing is arranged in the inner chamber of sleeve pipe (13) and joints sleeve (14), is provided with and is connected to each other and forms the connection pipe fitting (8) driven between described valve rod assembly (4) and mangetic core assembly (9).

2. in-wall antifreezing draw-off valve according to claim 1, is characterized in that described valve body (1) bottom is provided with downward-sloping dewatering outlet (7), the intracavity inter-connection of this dewatering outlet and valve body (1).

3. in-wall antifreezing draw-off valve according to claim 1, it is characterized in that described mangetic core assembly (9) comprises the valve core (93) and cartridge cover (98) be tightly connected, this valve core (93) sealing is arranged in joints sleeve (14), to be provided with in this cartridge cover (98) and to match, and form the dynamic ceramic valve core (97) of the quiet ceramic valve core (96) rotating keying, and rotary seal is arranged on the valve core rod (99) in cartridge cover (98), this valve core rod the inner is in transmission connection dynamic ceramic valve core (97), valve core rod (99) outer end is stretched out cartridge cover (98) and is fixed with connection pipe fitting (8) and be connected, cartridge cover (98) is also provided with water intake (983).

4. in-wall antifreezing draw-off valve according to claim 3, it is characterized in that in described valve core (93), being provided with the safety check (92) being made outside pushing tow by spring (91), between this safety check and quiet ceramic valve core (96), be provided with pad (94) and rubber seal (95).

5. in-wall antifreezing draw-off valve according to claim 3, is characterized in that being respectively equipped with between described cartridge cover (98) internal surface and quiet ceramic valve core (96) outer surface the locating slot (981) and lug (961) that form and be equipped with and fix.

6. in-wall antifreezing draw-off valve according to claim 3, is characterized in that described valve core rod (99) the inner is provided with the flat axle in end (991) and middle part flat axle (992), is provided with spacing round platform between the flat axle of the flat axle in this end and middle part.

7. in-wall antifreezing draw-off valve according to claim 6, it is characterized in that described dynamic ceramic valve core (97) exterior edge face is provided with flat groove (971), this flat groove and described end flat axle (991) are equipped with and are formed and be in transmission connection; Described cartridge cover (98) internal surface is provided with curve bath (982), and the flat axle in described middle part (992) to be fitted in this curve bath (982) and to form rotary spacing.

8. in-wall antifreezing draw-off valve according to claim 1, it is characterized in that described valve rod assembly (4) comprises rotary seal and is arranged on valve rod (41) in valve gap (3), this valve rod the inner is stretched into valve body (1) and is fixed with connection pipe fitting (8) and be connected, valve rod (41) outer end is stretched out valve gap (3) and is provided with the handwheel (5) that is in transmission connection or hides and be arranged in antifouling cover (16), and this antifouling cover is connected on valve gap (3).

9. in-wall antifreezing draw-off valve according to claim 1, is characterized in that described valve body (1) inner end is provided with the decorative sheet (11) be fixedly mounted on body of wall, is provided with foam plastic cushion (12) between this decorative sheet and body of wall.

10. in-wall antifreezing draw-off valve according to claim 1, it is characterized in that described connection pipe fitting (8) comprises the connecting copper pipe (81) and connecting head (82) be connected to each other, this connecting copper pipe (81) outer end is fixedly connected on valve rod assembly (4), and this connecting head (82) fixes with described mangetic core assembly (9) and is connected.