CN208634474U - A kind of hot forging screw rod central heating valve with high leakproofness - Google Patents

Abstract

A kind of hot forging screw rod central heating valve with high leakproofness, including valve body, the water outlet on the left of valve body and the water inlet on the right side of valve body, valve body is equipped with spool bore, matched screw rod is installed in spool bore, it is pierced by spool bore on screw rod upper end and is connected with handwheel, it is pierced by spool bore under screw lower end and is connected in the intracorporal opening and closing element of valve, the valve body and is equipped with a partition；The water inlet chamber that valve inner space is divided into the water outlet chamber to connect with water outlet, connected with water inlet by the partition；The partition is equipped with a seal mutually sealed with opening and closing element, and water outlet chamber is connected with water inlet chamber by seal；One is equipped on the downside of the seal to be located in the indoor seal pipe of water chamber.The hot forging screw rod central heating valve with high leakproofness of the utility model can the leakproofness between opening and closing element and seal when being unable to get guarantee, be always ensured that the case where being not in leak.

Description

A kind of hot forging screw rod central heating valve with high leakproofness

Technical field

The utility model relates to a kind of hot forging screw rod central heating valve, especially a kind of hot forging screw rod heating with high leakproofness Valve.

Background technique

Being hot-forged screw rod central heating valve is a kind of device in radiator system, it can be controlled by the opening and closing of itself The Inlet and outlet water of radiator, the opening and closing of central heating valve are then to drive opening and closing element upper and lower displacement to realize by turn handwheel, and open and close When part is sealed with seal each time, the two then unavoidably can occur contacting and rub, if things go on like this, opening and closing element with it is close Sealing all will appear abrasion, causes leakproofness to be between the two unable to get guarantee, the case where leak occurs, if leak is serious If, hot water discharge will occur leads to the case where water temperature reduces in radiator pipe network, eventually leads to room temperature and decreases.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of, and the hot forging screw rod with high leakproofness rotates central heating valve, It can the leakproofness between opening and closing element and seal when being unable to get guarantee, be always ensured that the case where being not in leak.

The technical scheme in the invention for solving the above technical problem are as follows:

The utility model discloses a kind of hot forging screw rod central heating valve with high leakproofness, including valve body, is set on the left of valve body Water outlet and the water inlet on the right side of valve body, valve body be equipped with spool bore, be equipped in spool bore matched Screw rod is pierced by spool bore on screw rod upper end and is connected with handwheel, spool bore is pierced by under screw lower end and is connected in valve body Opening and closing element, it is characterised in that: a partition is equipped in the valve body；Valve inner space is divided into and water outlet by the partition The water outlet chamber to connect, the water inlet chamber to connect with water inlet；The partition mutually seals equipped with one with opening and closing element close Sealing, water outlet chamber are connected with water inlet chamber by seal；It is indoor positioned at water chamber that one is equipped on the downside of the seal In seal pipe；Internal screw thread is equipped in the middle part of the sealing inside pipe wall；It is equipped with one stroke slot above the internal screw thread, is set below internal screw thread There is a limited step；Restraining position ring block is installed, stop collar is rubber material in the stroke groove；The seal pipe by internal screw thread with Seal head bolt；It is connected between the seal head and opening and closing element by connecting rod；The seal head upper surface is equipped with a water inlet Slot；The seal head side wall is equipped with several drainage holes being circularly and evenly distributed, and drainage hole connects with intake chamber slot bottom；Institute It states seal pipe and is equipped with several apopores to match with drainage hole, apopore is located above drainage hole.

The intake chamber is in bowl-shape；The apopore is adjacent to one end port of seal head in the horn-like of inner wide and outer narrow.

The seal pipe is equipped with several equally distributed via holes；The via hole passes through outlet passage and apopore phase Perforation.

The beneficial effects of the utility model are:

Compared with prior art, can be led to using the hot forging screw rod central heating valve with high leakproofness of the utility model structure It crosses seal head and forms second sealing, realize the high leakproofness of dual-seal, in seal head sealing, drainage hole and apopore Aperture is all closed by mutual wall surface, even if there is water flow to flow to lower section by the gap between opening and closing element and seal, is entered Into the intake chamber of seal head, water flow can be also blocked in drainage hole, can not be discharged from the apopore of seal pipe, to guarantee The case where being not in leak, effectively avoids leading to the case where water temperature reduces in radiator pipe network since hot water is discharged.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for the hot forging screw rod central heating valve that the utility model has high leakproofness；

Fig. 2 is the enlarged drawing in the portion A of Fig. 1.

Specific embodiment

The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

Fig. 1, Fig. 2 are please referred to, the utility model provides a kind of hot forging screw rod central heating valve with high leakproofness, including valve body 1, the water inlet 3 set on the water outlet 2 in 1 left side of valve body and set on 1 right side of valve body, valve body 1 are equipped with spool bore 4, spool bore 4 Matched screw rod 5 is inside installed, be pierced by spool bore 4 on 5 upper end of screw rod and is connected with handwheel 6, screw rod is pierced by under 5 lower end Spool bore 4 and the opening and closing element 7 being connected in valve body 1, the valve body 1 is interior to be equipped with a partition 8；The partition 8 will be in valve body 1 The water inlet chamber 10 that portion space is divided into the water outlet chamber 9 to connect with water outlet 2, connects with water inlet 3；The partition 8 It is equipped with the seal 11 of one with the sealing of 7 phase of opening and closing element, water outlet chamber 9 is connected with water inlet chamber 10 by seal 11；Institute It states and is equipped on the downside of seal 11 in the seal pipe 12 that one is located in water outlet chamber 9；Interior spiral shell is equipped in the middle part of 12 inner wall of seal pipe Line 13；It is equipped with one stroke slot 14 above the internal screw thread 13, is equipped with a limited step 15 below internal screw thread 13；The stroke groove 14 Interior installation restraining position ring block 16, stop collar 16 are rubber material；The seal pipe 12 passes through internal screw thread 13 and 17 bolt of seal head； It is connected between the seal head 17 and opening and closing element 7 by connecting rod 18；17 upper surface of seal head is equipped with an intake chamber 19；Institute 17 side wall of seal head is stated equipped with several drainage holes 20 being circularly and evenly distributed, drainage hole 20 is mutually passed through with 19 slot bottom of intake chamber It is logical；The seal pipe 12 is equipped with several apopores 21 to match with drainage hole 20, and apopore 21 is located at 20 top of drainage hole.

The intake chamber 19 is in bowl-shape；The apopore 21 is adjacent to one end port of seal head 17 in the loudspeaker of inner wide and outer narrow Shape.

The seal pipe 12 is equipped with several equally distributed via holes 22；The via hole 22 by outlet passage 23 with Apopore 21 connects.

The application method of the utility model is as follows:

When needing to start central heating valve, screw rod 5 can be driven to rotate by turn handwheel 6, screw rod 5 drives on opening and closing element 7 at this time It moves, opening and closing element 7 starts to be detached from seal 11, no longer seals with 11 phase of seal, when opening and closing element 7 moves up, opening and closing element 7 passes through Connecting rod 18 drives seal head 17 to move up along the track of internal screw thread 13, be located at originally the drainage hole 20 of the lower section of apopore 21 gradually with Apopore 21 flushes, and when drainage hole 20 is flushed with apopore 21,17 upper surface of seal head will touch stop collar 16, work Personnel can perceive apparent resistance from handwheel 6, and staff can stop rotating handwheel 6 this moment, and stop collar 16 is Rubber material, therefore after seal head 17 is touched with stop collar 16 is still able to carry out moving up by a small margin, realizes fine tuning Effect, guarantee drainage hole 20 and apopore 21 the degree that flushes, guarantee water yield, opening and closing element 7 opening when, water flow then can from into The mouth of a river 3 is entered into water chamber 10, is flowed into the intake chamber 19 of seal head, is then flowed into followed by seal 11 Drainage hole 20 is finally flowed out from apopore 21, enters water outlet chamber 9, and be discharged from water outlet 2.

When needing turning off steam valve, opening and closing element 7 can be made to move down by turn handwheel 6, when opening and closing element 7 moves down, seal head 17 move down therewith, and the drainage hole 20 on seal head 17 starts to be staggered with apopore 21 at this time, the hole of drainage hole 20 and apopore 21 Mouth is all closed by mutual wall surface, even if there is water flow to flow to lower section by the gap between opening and closing element 7 and seal 11, is entered Into the intake chamber 19 of seal head 17, water flow can be also blocked in drainage hole 20, can not be from 21 row of apopore of seal pipe 12 Out, so that the case where guarantee is not in leak, effectively avoiding being discharged due to hot water leads to water temperature reduction in radiator pipe network Situation.

For intake chamber 19 in bowl-shape, this structure can guarantee the inflow of intake chamber 19, seal water flow will not The case where first 17 influence is reduced, and apopore 21 is in the horn-like of inner wide and outer narrow adjacent to one end port of seal head 17, When ensure that drainage hole 20 is flushed with apopore 21 to the full extent, apopore 21 can be complete by the water flow from 20 aperture of drainage hole It is complete to receive.

Seal pipe 12 is equipped with several equally distributed via holes 22, and via hole 22 passes through outlet passage 23 and apopore 21 It connects, the presence of via hole 22 can further increase water flow when central heating valve 0 is opened, and guarantee sealing to the full extent The first 17 second sealings formed will not impact the service performance of central heating valve 0.

Claims (3)

1. a kind of hot forging screw rod central heating valve with high leakproofness, water outlet including valve body, on the left of valve body and it is set to Water inlet on the right side of valve body, valve body are equipped with spool bore, are equipped with matched screw rod in spool bore, screw rod is worn on upper end Out spool bore and it is connected with handwheel, spool bore is pierced by under screw lower end and is connected with positioned at the intracorporal opening and closing element of valve, feature exists In: a partition is equipped in the valve body；The partition valve inner space is divided into the water outlet chamber to connect with water outlet, The water inlet chamber to connect with water inlet；The partition be equipped with a seal mutually sealed with opening and closing element, be discharged chamber and into Water chamber is connected by seal；One is equipped on the downside of the seal to be located in the indoor seal pipe of water chamber；The sealing Internal screw thread is equipped in the middle part of inside pipe wall；It is equipped with one stroke slot above the internal screw thread, is equipped with a limited step below internal screw thread；It is described Restraining position ring block is installed, stop collar is rubber material in stroke groove；The seal pipe passes through internal screw thread and seal head bolt；It is described It is connected between seal head and opening and closing element by connecting rod；The seal head upper surface is equipped with an intake chamber；The seal head side wall Several drainage holes being circularly and evenly distributed are equipped with, drainage hole connects with intake chamber slot bottom；If the seal pipe is equipped with The dry apopore to match with drainage hole, apopore are located above drainage hole.

2. a kind of hot forging screw rod central heating valve with high leakproofness according to claim 1, it is characterised in that: the water inlet Slot is in bowl-shape；The apopore is adjacent to one end port of seal head in the horn-like of inner wide and outer narrow.

3. a kind of hot forging screw rod central heating valve with high leakproofness according to claim 1, it is characterised in that: the sealing Pipe is equipped with several equally distributed via holes；The via hole is connected by outlet passage and apopore.