CN207005348U

CN207005348U - A kind of new double-current central heating valve

Info

Publication number: CN207005348U
Application number: CN201720732827.0U
Authority: CN
Inventors: 盛万聪
Original assignee: His Mountain Zhejiang Fluid Controls Science And Technology Ltd
Current assignee: His Mountain Zhejiang Fluid Controls Science And Technology Ltd
Priority date: 2017-06-22
Filing date: 2017-06-22
Publication date: 2018-02-13
Anticipated expiration: 2027-06-22

Abstract

The utility model belongs to valve technology field, refers in particular to a kind of new double-current central heating valve.First valve body and the valve pocket positioned at the first valve inner, piston is installed in first valve body, water stream channel is offered in piston；First valve body is provided with the water inlet pipe and the first outlet pipe extended downwardly, and control device is provided with above the first valve body；The control device includes knob and valve seat, and valve seat upper end is fixed in knob, and valve seat lower end is downwardly projected to form block；The piston middle-end forms annular groove, and the block, which coordinates, to be arranged in the annular groove；The valve seat rotates under the drive of knob and drives the piston to be moved forward and backward.The water outlet of the valve body of the utility model first can connect other valve bodies of difference in functionality according to different demands, applied widely, and convenient disassembly, valve body junction between valve body is additionally provided with sealing ring, so that connection is even closer, strengthens sealing, avoid current from junction side leakage.

Description

A kind of new double-current central heating valve

Technical field

The utility model belongs to valve technology field, refers in particular to a kind of new double-current central heating valve.

Background technology

Central heating valve is widely used in the various occasions of city hot water heating, and it is to reach regulation temperature by adjusting the flow of medium Degree, the purpose for saving the energy, can generally also use central heating valve, central heating valve one end is connected with water inlet pipe in radiator heating system Connecing, the other end is connected with radiator, and is sealed using planar seal ring, but because planar seal ring is for horizontal force It can not be consistent the stress of planar seal ring it is required that higher, during screw threads for fastening, thus easily produce Seepage, so as to shadow Ring normal use.

The content of the invention

The purpose of this utility model is to provide a kind of simple in construction, good seal performance, can solve the problem that above-mentioned prior art The new double-current central heating valve of defect.

What the purpose of this utility model was realized in：

A kind of new double-current central heating valve, including the first valve body and the valve pocket positioned at the first valve inner, described first Piston is installed in valve body, water stream channel is offered in piston；First valve body is provided with the water inlet pipe and first extended downwardly Outlet pipe, the first valve body top are provided with control device；

The control device includes knob and valve seat, and valve seat upper end is fixed in knob, and valve seat lower end is downwardly projected to be formed Block；The piston middle-end forms annular groove, and the block, which coordinates, to be arranged in the annular groove；The valve seat is revolving Rotated under the drive of button and drive the piston to be moved forward and backward.

Preferably, the outwardly formation annular boss in the piston nose periphery, the outer end of annular boss are against described One valve interior wall；The first outlet pipe upper end sets inwardly protruded flange with the valve pocket connectivity part, when piston is transported forward When moving certain position, periphery is against the upper surface of the flange below the piston.

Preferably, described first valve body one end forms water inlet, and water inlet forms ledge structure, after the piston End is connected with a joint and is fastened both by O-ring, and joint be located at the water inlet, joint middle part it is hollow and with it is described Water stream channel penetrates, and joint rear end periphery, which extends downwardly, forms card column, and card column is against the Step-edge Junction of the water inlet At structure.

Preferably, the second valve body is connected with by connector on the water inlet, the water inlet forms a beveling Face, the second valve body front end are clamped on the scarf by sealing ring；Second valve inner, which coordinates, is provided with control-rod, controls Bar front end is installed on the joint rear end, and control-rod middle part is hollow and is penetrated with the water stream channel.

Preferably, the connector nose threads are connected on the water inlet outer peripheral face, and second valve body is installed on Inside the connector, the second valve outer wall is provided with jump ring.

Preferably, second valve body is provided with the second outlet pipe for upwardly extending, in the second outlet pipe and the second valve body Water chamber connection, the water chamber connects with the valve pocket.

Preferably, the first outlet pipe lower end offers the mouth of pipe, and internal wall of pipe orifice is provided with pad, and mouth of pipe outer wall passes through spiral shell Line is connected with a locking cap, is provided with collar inside the locking cap, the pad lower surface is against on collar.

Preferably, the first valve body upper end offers the opening for installing the control device, the valve seat lower end The opening inwall is stuck in, is inwardly indented to form connecting portion in the middle part of valve seat, pressure cap is provided between connecting portion and the opening, it is described Connecting portion external diameter<Valve seat lower end diameter=the opening inside diameter.

Preferably, filler is additionally provided between the valve seat and the opening inwall, the filler is located at below the pressure cap.

Preferably, the valve seat upper end is upwardly extended to form valve rod, and valve stem tip is threaded in the knob.

The utility model is prominent and beneficial compared with prior art to be had the technical effect that：

1st, the water outlet of the first valve body of the present utility model can connect other of difference in functionality according to different demands Valve body, it is applied widely, and connected by connector, convenient disassembly, valve body junction between valve body is additionally provided with sealing Circle so that connection is even closer, strengthens sealing, avoids current from junction side leakage.

2nd, the water inlet pipe and outlet pipe of the first valve body of the present utility model, and the structure of the second outlet pipe of the second valve body It is identical, pad is connected with by locking cap, the closure of water inlet pipe and outlet pipe on caliduct can be exchanged mutually, As long as connecting tube is plugged on water inlet pipe or outlet pipe during use, radiator is connected, is the outlet pipe of socket connection pipe Or water inlet pipe connection caliduct, it is possible thereby to arbitrarily be arranged according to user's actual need, realize a variety of installations of valve Mode.

3rd, the valve seat in control device of the present utility model with being connected at valve body upper opening when be provided with filler, filler plays Preferable sealing function, it can prevent current from being spilt from opening, the sealing of enhancing structure.

4th, valve seat lower end of the present utility model is downwardly projected to form block, and piston middle-end forms annular groove, and block is matched somebody with somebody Close and be arranged in the annular groove, valve seat rotates under the drive of knob and drives the piston to be moved forward and backward, and realizes The folding of water inlet pipe and outlet pipe, consequently facilitating regulation water temperature and water-carrying capacity.

Brief description of the drawings

Fig. 1 is structural section figure one of the present utility model.

Fig. 2 is structural section figure two of the present utility model.

Fig. 3 is the structural section figure for the state that the utility model piston is moved to maximum distance apart.

Fig. 4 is the structural section figure of the utility model piston.

Embodiment

The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-Fig. 4,

A kind of new double-current central heating valve, including the first valve body 1 and the valve pocket 11 inside the first valve body 1, it is described Piston 2 is installed in first valve body 1, water stream channel 21 is offered in piston 2；First valve body 1 enters provided with what is extended downwardly The outlet pipe 4 of water pipe 3 and first, the top of the first valve body 1 are provided with control device；The control device includes knob 51 and valve seat 52, the upper end of valve seat 52 is fixed in knob 51, and the lower end of valve seat 52 is downwardly projected to form block 53；The middle-end of piston 2 forms Annular groove 22, the block 53, which coordinates, to be arranged in the annular groove 22；Drive backspin of the valve seat 52 in knob 51 Turn and drive the piston 2 to be moved forward and backward.The left end of water stream channel 21 connects with first outlet pipe 4, water stream channel 21 current can flow out from the first outlet pipe 4.

The front end periphery of piston 2 is outwardly to form annular boss 23, and the outer end of annular boss 23 is against described first The inwall of valve body 1；The upper end of first outlet pipe 4 and the connectivity part of valve pocket 11 set inwardly protruded flange 41, when piston 2 to Before when moving to certain position, the lower section periphery of piston 2 is against the upper surface of the flange 41.Such as Fig. 1, water inlet pipe 3 with it is outer The hot-water line in portion is connected, and hot water enters valve pocket 11, and piston rear end is connected with cold water pipe, and cold water enters in water stream channel 21, works as work When plug is located at position in figure, due to the stop of annular boss 23, the valve pocket part of piston nose and the valve pocket part of piston outer periphery Mutually isolated, the front end of water stream channel 21 connects with first outlet pipe 4, and the cold water in water stream channel 21 is in piston exterior Become warm water under the heating of hot water, warm water flows to the first outlet pipe 4 from water stream channel 21, is flowed out from the first outlet pipe 4.Work as valve seat 52 under the drive of knob 51 when rotating and driving the piston 2 to move forward, and annular boss 23 is moved to outlet pipe and valve pocket Connectivity part, right side valve pocket to be got through with outlet pipe, the hot water that now water inlet 3 enters can also flow out from the first outlet pipe 4, with Warm water mixing outflow；When block is gone into right side completely, as shown in figure 3, now hot water directly can flow out from exit；So as to Play a part of regulating pondage and water temperature.

Described one end of first valve body 1 forms water inlet 12, and ledge structure 13, the piston 2 are formed at water inlet 12 Rear end is connected with a joint 6 and is fastened both by O-ring 91, and joint 6 is located at the water inlet 12, and the middle part of joint 6 is empty The heart and penetrated with the water stream channel 21, the rear end periphery of joint 6, which extends downwardly, forms card column 61, and card column 61 is against described At ledge structure 13 at water inlet 12.The setting of card column can fix joint, avoid it from following piston advances forward.

Second valve body 7 is connected with by connector 8 on the water inlet 12, a scarf is formed at the water inlet 12 121, the front end of the second valve body 7 is clamped on the scarf 121 by sealing ring 92, the design of scarf be easy to water inlet with The connection of second valve body；The internal engagement of second valve body 7 is provided with control-rod 71, after the front end of control-rod 71 is installed on the joint 6 End, the middle part of control-rod 71 is hollow and is penetrated with the water stream channel 21, the current direction internal piston in control-rod.

The nose threads of connector 8 are connected on the outer peripheral face of water inlet 12, and second valve body 7 is installed on described Inside connector 8, the outer wall of the second valve body 7 is provided with jump ring 93.Second valve body 7 is provided with the second outlet pipe upwardly extended 72, the second outlet pipe 72 connects with the water chamber 73 in the second valve body 7, and the water chamber 73 connects with the valve pocket 11.It is described When water inlet pipe 3 is connected with inlet channel, current flow to water chamber 73 by valve pocket 11 and flowed out from the second outlet pipe 72.

The lower end of first outlet pipe 4 offers the mouth of pipe 42, and the inwall of the mouth of pipe 42 is provided with pad 43, and the outer wall of the mouth of pipe 42 passes through A locking cap 44 is threaded with, the inside of locking cap 44 is provided with collar 45, and the lower surface of pad 43 is against on collar 45. The water inlet pipe 3 is identical with the first outlet pipe 4 with the structure of the second outlet pipe 72, and outside is also connected with the locking cap 44, is easy to Connected mode between three is changed, i.e., water inlet pipe 3 can be connected with cold water pipe, and piston is connected with hot-water line；Or water inlet Pipe 3 is connected with the outlet conduit of heating installation becomes outlet pipe, and the first outlet pipe 4 is connected with the inlet channel of heating installation to be become Water inlet pipe.

The upper end of first valve body 1 offers the opening 14 for installing the control device, the lower end card of valve seat 52 In 14 inwalls of the opening, the middle part of valve seat 52 is inwardly indented to form connecting portion 54, is provided between connecting portion 54 and the opening 14 Pressure cap 55, the external diameter of connecting portion 54<The lower end diameter of valve seat 52<14 internal diameters of the opening.The lower end diameter of valve seat 52 is slightly less than institute 14 internal diameters of opening are stated, the lower end of valve seat 52 has gap with opening inwall, facilitates knob to drive valve seat to be rotated in opening, should Gap is smaller.

Filler 56 is additionally provided between 14 inwalls of the valve seat 52 and the opening, the filler 56 is located under the pressure cap 55 Side.The filler can be made up of polytetrafluoroethylene (PTFE) or graphite or asbestos packing or its combination, have good sealing, prevent When valve seat rotates, gap outflow of the current between valve seat and valve body, cause to reveal.The upper end of valve seat 52 upwardly extends to be formed Valve rod 57, the top of valve rod 57 are threaded in the knob 51.In the present embodiment, by bolt or screw by the top of valve rod 57 It is fixed on knob, thus valve seat can be allowed to follow knob.

The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims

1. a kind of new double-current central heating valve, including the first valve body and the valve pocket positioned at the first valve inner, it is characterised in that： Piston is installed in first valve body, water stream channel is offered in piston；First valve body is provided with the water inlet extended downwardly Pipe and the first outlet pipe, the first valve body top are provided with control device；

The control device includes knob and valve seat, and valve seat upper end is fixed in knob, and valve seat lower end is downwardly projected to form block； The piston middle-end forms annular groove, and the block, which coordinates, to be arranged in the annular groove；The valve seat is in knob Rotated under drive and drive the piston to be moved forward and backward.

2. new double-current central heating valve according to claim 1, it is characterised in that：The piston nose periphery is outwardly Annular boss is formed, the outer end of annular boss is against first valve interior wall；The first outlet pipe upper end and the valve pocket Connectivity part sets inwardly protruded flange, and when piston advances forward is to certain position, periphery is against described below the piston The upper surface of flange.

3. new double-current central heating valve according to claim 1 or 2, it is characterised in that：First valve body one end shaping There is water inlet, water inlet forms ledge structure, and the piston rear end is connected with a joint and incites somebody to action both tightly by O-ring Gu joint is located at the water inlet, joint middle part is hollow and is penetrated with the water stream channel, and joint rear end periphery is downward Elongation moulding has card column, and card column is against at the ledge structure of the water inlet.

4. new double-current central heating valve according to claim 3, it is characterised in that：Connected on the water inlet by connector The second valve body is connected to, the water inlet forms a scarf, and the second valve body front end is clamped on the beveling by sealing ring On face；Second valve inner, which coordinates, is provided with control-rod, and control-rod front end is installed on the joint rear end, and control-rod middle part is hollow And penetrated with the water stream channel.

5. new double-current central heating valve according to claim 4, it is characterised in that：The connector nose threads are connected to On the water inlet outer peripheral face, second valve body is installed on inside the connector, and the second valve outer wall is provided with jump ring.

6. the new double-current central heating valve according to claim 4 or 5, it is characterised in that：Second valve body be provided with to Second outlet pipe of upper extension, the second outlet pipe connect with the water chamber in the second valve body, and the water chamber connects with the valve pocket It is logical.

7. new double-current central heating valve according to claim 1 or 2, it is characterised in that：Open the first outlet pipe lower end Provided with the mouth of pipe, internal wall of pipe orifice is provided with pad, and mouth of pipe outer wall has been connected through a screw thread a locking cap, has been provided with inside the locking cap Collar, the pad lower surface are against on collar.

8. new double-current central heating valve according to claim 1, it is characterised in that：The first valve body upper end offers use In the opening for installing the control device, the valve seat lower end is stuck in the opening inwall, and the company of being formed is inwardly indented in the middle part of valve seat Socket part, pressure cap, the connecting portion external diameter are provided between connecting portion and the opening<Valve seat lower end diameter<The opening inside diameter.

9. new double-current central heating valve according to claim 8, it is characterised in that：The valve seat with it is described opening inwall it Between be additionally provided with filler, the filler is located at below the pressure cap.

10. the new double-current central heating valve according to claim 1 or 8, it is characterised in that：The valve seat upper end upwardly extends Valve rod is formed, valve stem tip is threaded in the knob.