CN101813203B

CN101813203B - Check valve for small size hot-water boiler for preventing noise

Info

Publication number: CN101813203B
Application number: CN2010101151142A
Authority: CN
Inventors: 李荣顺; 郑裕锡
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-18
Filing date: 2010-02-11
Publication date: 2012-06-20
Anticipated expiration: 2030-02-11
Also published as: CN101813203A; KR100907858B1

Abstract

The invention relates to a check valve for a small sized hot-water boiler capable of preventing noise. A left inner tube and a left outer tube are arranged around the left outside of a cylindrical body as a double layer surrounding structure with a certain interval. The water of water tank passes between the outer surface of the left inner tube and the inner surface of the left outer tube, and circulates like a ''z'' character between the inner surface of the left inner tube and the outer surface of the check valve cylindrical body. A right inner tube and a right outer tube are arranged around the right side of the cylindrical body as a double layer surrounding structure with a certain interval. The fast expand hot water which is heated by a heater cylinder passes between the outer surface of an inward tube connection opening in the right outer tube center and the inner surface of the right inner tube, and circulates like a ''z'' character between the outer surface of the right inner tube and the inner surface of the cylindrical body, thereby minimizing the circulation pressure of the water from the water tank and the hot water from the heater heater cylinder and forming a double water layers, and preventing the opening and closing noise in the check valve from speading outward.

Description

Check valve for small size hot-water boiler for preventing noise

Technical field

The present invention relates to check valve for small size hot-water boiler for preventing noise; Be used to utilize the heater cylindrical duct that hot water thermal is expanded; Thereby make the heating system of hot water circuit, the noise that produces in the time of can preventing owing to the hot water thermal expansion frequently the valve switch of the safety check of front and back startup.

Background technique

Add the water in the hot water tank through the heater cylindrical duct and utilizing the thermal expansion of hot water to make in the heating system of hot water circuit; For the hot water that makes rapid expansion can the adverse current screw clamp in; Ingress in the heater cylindrical duct is provided with safety check, still, because the thermal expansion of hot water; The safety check frequent starting produces too much noise when the valve front-rear switch.

Summary of the invention

Generation switch noise in the time of by the hot water thermal swelling pressure of heater cylindrical duct heating the switch valve of safety check being started in front and back; Therefore; Need provide a kind of make the water that starts before and after the switch valve, flow out from tank and under the heating of heater cylindrical duct the outflow pressure of the hot water of rapid expansion minimize; Thereby and, make noise can not be delivered to outside scheme around the outside noise that cuts off of safety check.

The present invention is provided with left side inner core and left side urceolus with the bilayer with certain intervals around structure in the left hand external of the cylindrical body of safety check; Make the space of water between the outer surface of internal surface and the safety check cylindrical body of the space between the outer surface of the internal surface of left side urceolus and left side inner core through the left side inner core in the tank, circulate with " z " font; Right side at cylindrical body is provided with right side inner core and right side urceolus with the bilayer with certain intervals around structure; The space of the hot water that makes rapid expansion between the internal surface of outer surface and the cylindrical body of the space between the internal surface of right side urceolus central authorities interior outer surface and right side inner core to the pipe connection mouth through the right side inner core through the heating of heater cylindrical duct; Circulate with " z " font; Thereby the circulating pressure of tank water that flows out and the hot water that heats the cylindrical duct outflow is minimized; And with double layer construction inside and outside tube in left side and the inside and outside tube in right side are set through outside at the cylindrical body of safety check, and water the inside and outside of formation between inside and outside tube circulated in the space, form dual water layer; Thereby can block the switch noise that safety check produces when switch valve, it can not spread to the outside.

The present invention is at the inside and outside tube of inside and outside tube in the outer installment left side of the cylindrical body of safety check and right side; Make between the inside and outside tube and form the certain intervals space; Constitute and have inside and outside double layer construction to clearance space; Thereby the outflow pressure of hot water of water and the heater cylindrical duct of tank is minimized, simultaneously, at double-deck inside and outside tube in left side and inside and outside of right side of outer installment of the cylindrical body of safety check; Through inside and outside to double-deck clearance space form dual water layer, can prevent that the switch noise that safety check produces is delivered to the outside.

Description of drawings

Fig. 1 is the exploded perspective view that the part of explanation structure of the present invention is cut open.

Fig. 2 a, Fig. 2 b are the longitudinal sectional drawings of bonding state of the construction of switch of explanation switch valve of the present invention.

Reference character

10: cylindrical body 10a: middle wedging end 11: left side wall

12: valve disk 12a: left side pad 13: edge raised strip

14: spring 15: support disk 15a: circular trough of belt

16: vertical chimb 20: left side urceolus 21: left side wall

22: export-oriented pipe connection mouth 23: outside thread 30: right side inner core

31:

right side wall

32,32a: inside and outside to the pipe connection mouth

33: internal thread 40: left side inner core 41: left side wall

42: communication port 50: right side inner core 51: left side wall

51a: fan-shaped wedging trough of belt 52: communication port

Embodiment

Check valve for small size hot-water boiler for preventing noise of the present invention; Specify for; For the inner side surface of center through hole that makes left side pad 12a be close to the left side wall 11 of cylindrical body 10 be inserted into spring 14 towards the internal surface of the raised strip 13 of the right side, edge of valve disk 12 protrusion be enclosed within be attached to opening portion, cylindrical body 10 right side internal surface in the middle of in the circular trough of belt 15a that forms of the left surface of center through hole of support disk 15 of wedging end 10a; Thereby make valve disk 12 rubber-like valve switch devices; Outer surface right end at cylindrical body 10 forms vertical chimb 16 with the certain altitude protrusion; And be the center with vertical chimb 16; The diameter of being close to internal surface with the upper end that can make vertical chimb 16 in the left side and the certain altitude that makes vertical chimb 16 can be kept the length of certain intervals at interval with the outside of the left side wall 11 of cylindrical body 10; The left side urceolus 20 that connection mouth 22 connects laterally will be managed by the central authorities that are formed on left side wall 21; Right side at vertical chimb 16; With the diameter of the upper end of vertical chimb 16 and on the left of the left surface that makes right side wall 31 when outside thread 23 that the right end of the outer surface of left side urceolus 20 forms combines can be close to the length of the right end of urceolus 20; The right side urceolus 30 that

connection mouth

32,32a connect to medial and lateral will be managed by the central authorities that are formed on right side wall 31; The inside in space between cylindrical body 10 and left side urceolus 20 with at interval medium length between the left side wall 21 of the left side wall 11 of diameter in the middle of at interval and cylindrical body 10 between the internal surface of the outer surface of cylindrical body 10 and left side urceolus 20 and left side urceolus 20, forms the left side inner core 40 that at certain intervals right-hand end of drum surface is cut into a plurality of communication port 42; Inside between cylindrical body 10 and right side urceolus 30; Keeping the diameter of certain intervals and form right side inner core 50 with the length between the right flank of the vertical chimb 16 on the right flank of the inner support disk 15 of cylindrical body 10 and cylindrical body 10 right sides with the right side internal surface of cylindrical body 10, this right side inner core 50 forms a plurality of fan-shaped wedging trough of belt 51a at certain intervals at the left surface of left side wall 51, and forms a plurality of communication port 52 at certain intervals at the right-hand end of drum surface; During assembling; For making inside the neutral position left side urceolus 20 and cylindrical body 10 between of left side inner core 40 at left side urceolus 20; The right end of the internal surface of urceolus 20 in the left side; Upper end in conjunction with the vertical chimb 16 of the right end of cylindrical body 10; Make two right flanks vertically consistent; Thereby form outer stream a left in the space between the outer surface of the internal surface of left side urceolus 20 and left side inner core 40, stream b left in forming in the space between the outer surface of the internal surface of left side inner core 40 and cylindrical body 10 is in the rightward space inside of cylindrical body 10; The internal thread 33 that right side urceolus 30 is formed through its internal surface is combined on the outside thread 23 that the right end of the outer surface of left side urceolus 20 forms; Right side inner core 50 is close between the left surface of right side wall 31 of right flank and right side urceolus 30 of the inner support disk 15 of cylindrical body 10, thereby forms outer stream c to the right in the space between the outer surface of the internal surface of cylindrical body 10 and right side inner core 50, stream d to the right in formation in the interior space between the outer surface of pipe connection mouth 32 of the internal surface of right side inner core 50 and right side wall 31.

In addition, the annular gasket 34a in the circular groove 34 at the left surface edge of the right side wall 31 through being enclosed within right side urceolus 30 carries out airtightly to the junction plane between the internal surface end of the vertical chimb 16 of cylindrical body 10 and left side urceolus 20, can prevent to leak.

The safety check that the invention described above is related to is arranged on the heater cylindrical duct inlet that is connected with tank in the small size hot-water boiler; Water in the tank will flow into the extroversion pipe connection mouth 22 that is connected with the central authorities of the left side wall 21 of the left side urceolus 20 of safety check; The outer a of stream left that space between the outer surface of the internal surface of space between the left side wall 41 of the left side wall 21 of left side urceolus 20 and left side inner core 40 and left side urceolus 20 and left side inner core 40 forms; Cut a plurality of communication port 42 of formation at certain intervals through the barrel right-hand end of left side inner core 40; Flow through the space between the left side wall 11 of left side wall 41 and cylindrical body 10 of interior b of stream left that the space between the outer surface of internal surface and cylindrical body 10 of left side inner core 40 forms and left side inner core 40 with " z " font; The valve disk 15 of closing by the spring effect in the center through hole of the left side wall of promotion cylindrical body 10; Get into cylindrical body 10 inside; The a plurality of fan-shaped wedging trough of belt 51a that forms through the left surface of the left side wall 51 of the center through hole of support disk 15 and right side inner core 50; The outer c of stream left that space between the right side internal surface through cylindrical body 10 and the outer surface of right side inner core 50 forms and the barrel right-hand end of right side inner core 50 cut a plurality of communication port 52 of formation at certain intervals; Flow through the interior d of stream left that the interior spaces between the outer surface of pipe connection mouth 32 of right side wall 31 central authorities of internal surface and the right side urceolus 30 of right side inner core 50 form with " z " font; Flow into heater cylindrical duct inside through the inside and outside of right side wall 31 central authorities to pipe

connection mouth

32,32a; Flow into the inner water thermal expansion rapidly after becoming hot water under the heating of heater cylindrical duct of heater cylindrical duct; Thereby hot water flow into right side wall 31 central authorities inside and outside to pipe

connection mouth

32,32a of right side urceolus 30 from heater cylindrical duct inside; The outer c of stream to the right that space between the internal surface of a plurality of communication port 52 of the interior d of stream to the right that the space between the internal surface of interior outer surface and the right side inner core 50 to pipe connection mouth 32 that flows through right side wall 31 with " z " font forms and the barrel right-hand end of right side inner core 50 and the outer surface of right side inner core 50 and cylindrical body 10 forms; The a plurality of fan-shaped wedging trough of belt 51a of the left surface of the left side wall 51 of inner core 50 through the right side; The valve disk 12 that inflow is supported by spring, thus heat hydraulic pressure that will pressure raises owing to rapid expansion minimizes.

Claims

1. check valve for small size hot-water boiler for preventing noise; It is characterized in that; For pad (12a) on the left of making is close to the inner side surface of the center through hole of the left side wall (11) of cylindrical body (10); Spring (14) is enclosed within the circular trough of belt (15a) that the left surface of the center through hole of support disk (15) forms, thereby makes valve disk (12) rubber-like valve switch device, said spring (14) is inserted into the internal surface of the raised strip (13) of protrusion towards the right side, edge of valve disk (12); Said support disk (15) is attached to the middle wedging end (10a) of opening portion, the right side internal surface of cylindrical body (10)

Outer surface right end with at cylindrical body (10) is the center object of reference with the vertical chimb (16) that certain altitude protrudes; Be formed with left side urceolus (20) in the left side of this vertical chimb (16); The internal diameter of this left side urceolus (20) is close to the internal surface of said left side urceolus (20) for the upper end that can make said vertical chimb (16); So that vertical chimb (16) has certain altitude; The left side wall (21) of said left side urceolus (20) can be kept certain intervals with the outside of the left side wall (11) of cylindrical body (10); The central authorities of the left side wall (21) of urceolus (20) are formed with pipe connection mouth (22) toward the outer side in said left side, and the right end of the outer surface of said left side urceolus (20) is formed with outside thread (23)

Right side at vertical chimb (16) is formed with right side urceolus (30); This right side urceolus (30) forms when the upper end of vertical chimb (16) and engages with said left side urceolus (20); And said right side urceolus (30) and said outside thread (23) are when combining; Make the left surface of the right side wall (31) of said right side urceolus (30) can be close to the right end of left side urceolus (20), the interior of central authorities that is formed on right side wall (31) is connected to medial and lateral respectively with the export-oriented connection mouth (32a) of managing to pipe connection mouth (32)

The inside in the space between cylindrical body (10) and left side urceolus (20) is formed with left side inner core (40); Along diametric(al); Said left side inner core (40) is positioned at the neutral position in the space between the internal surface of outer surface and left side urceolus (20) of cylindrical body (10); Along its length; The left side wall (41) of said left side inner core (40) is positioned at the neutral position in the space between the left side wall (21) of left side wall (11) and left side urceolus (20) of cylindrical body (10), and cuts at certain intervals on the drum surface of the right-hand end of this left side inner core (40) and be formed with a plurality of communication port (42)

During assembling; For making left side inner core (40) in the inside of left side urceolus (20) and be positioned at the neutral position between left side urceolus (20) and the cylindrical body (10); The urceolus in the left side (20) internal surface right end; Upper end in conjunction with the vertical chimb (16) of the right end of cylindrical body (10) makes two right flanks vertically consistent, thus stream (a) left outside the formation in the space between the outer surface of the internal surface of left side urceolus (20) and left side inner core (40); Stream (b) left in forming in the space between the outer surface of the internal surface of left side inner core (40) and cylindrical body (10)

Simultaneously, the internal thread (33) that right side urceolus (30) is formed through its internal surface is combined on the outside thread (23) that the right end of the outer surface of left side urceolus (20) forms, and junction plane is close to,

Inside between cylindrical body (10) and right side urceolus (30); Will be to keep the diameter of certain intervals and to form the right side inner core (50) that is inserted into rightward space inside with the length between the right flank of the vertical chimb (16) on the right side of the right flank of the inner support disk (15) of cylindrical body (10) and cylindrical body (10) with the right side internal surface of cylindrical body (10); This right side inner core (50) forms a plurality of fan-shaped wedging troughs of belt (51a) at certain intervals at the left surface of left side wall (51); And form a plurality of communication port (52) at certain intervals at the right-hand end of the drum surface of this right side inner core (50), said right side inner core (50) is close between the left surface of right side wall (31) of right flank and right side urceolus (30) of the inner support disk (15) of cylindrical body (10).