CN208900927U - A kind of peak type tooth steel modeling translation building block and Gas-combustion valve - Google Patents

Abstract

The utility model discloses a kind of peak type tooth steel to mould translation building block, including a tubular steel component, the periphery wall of the steel component is circumferentially arranged with the peak type flank of tooth, the peak type flank of tooth in the tooth peak of isosceles triangular structure and the tooth paddy of trapezoidal structure by staggered constituting, one end of the steel component is the fixing end for being fixedly welded on valve body, the other end is the socket end for being socketed plastic conduit, and the peak type flank of tooth extends to socket end from the periphery wall of steel component；The invention also discloses a kind of Gas-combustion valve, including valve body, runner is offered in the valve body, the valve body is welded and fixed in the outlet end of runner and the fixing end of steel component.The utility model has the following advantages that and effect: under conditions of guaranteeing structural member sealing performance, having the advantages that occupy small volume, the low and long service life of connecting portion stress concentration.

Description

A kind of peak type tooth steel modeling translation building block and Gas-combustion valve

Technical field

The utility model relates to a kind of gas ductwork steel to mould Change-over knot component, in particular to a kind of peak type tooth steel modeling conversion Component and Gas-combustion valve.

Background technique

Present pipeline network of fuel gas in city generallys use PE plastic tube and carrys out delivery of fuel gas, Gas-combustion valve and PE pipeline one in pipe network As moulded and be using steel the shortcomings that crossover sub couples, moulds crossover sub using steel:

(1) space of valve of gas pipeline well is limited, and existing steel modeling crossover sub is an individual component, therefore with Whole volume is excessive after valve connection；

(2) easily there is stress concentration phenomenon in connecting portion in existing steel modeling crossover sub, causes structural member locally serious Damage, reduces the service life.

Utility model content

In view of problem above, the purpose of the utility model is to provide and a kind of peak type tooth steel modeling translation building block and combustion gas lock Valve.

In order to achieve the above object, the utility model provides a kind of peak type tooth steel modeling translation building block, including one is cylindrical in shape Steel component, the periphery wall of the steel component is circumferentially arranged with the peak type flank of tooth, and the peak type flank of tooth is by being in isosceles three The staggered composition of tooth paddy at the tooth peak and trapezoidal structure of angular structure, one end of the steel component are to be welded and fixed In the socket end that the fixing end of valve body, the other end are socket plastic conduit, periphery wall of the peak type flank of tooth from steel component Extend to socket end.

Be further arranged to: the apex angle at the tooth peak is fillet, and the radius of the fillet is 2mm, the tooth peak Base angle is 80 °.

Be further arranged to: the quantity at the tooth peak is 12.

Be further arranged to: the socket end of the steel component circumferentially arranged with lead-in chamfered, and the lead-in chamfered with Be gradually reduced close to the end face diameter of socket end.

Be further arranged to: the steel component periphery is arranged with compressing member, the inner circumferential and steel of the compressing member The compression chamber for compressing plastic conduit is constituted between the periphery of component.

Compared to the prior art, it has the advantages that

1, this peak type tooth steel modeling translation building block directly can directly couple with Gas-combustion valve, occupancy it is small in size；

2, this peak type tooth steel modeling translation building block can be reduced the stress concentration phenomenon of connection place, be made by the setting peak type flank of tooth It is long with the service life；

3, by the lead-in chamfered on steel component, convenient for plastic conduit socket and be able to achieve plastic conduit axial direction it is fixed Position；

4, plastic conduit is compressed by setting compressing member and is reinforced, plastic conduit is further prevented to fall off.

The utility model additionally provides a kind of Gas-combustion valve, including valve body, and runner is offered in the valve body, described Valve body is welded and fixed in the outlet end of runner and the fixing end of steel component.

Compared to the prior art, it has the advantages that

This Gas-combustion valve can realize the connection with plastic conduit by welding steel component, independent steel modeling that no setting is required Crossover sub occupies small in size.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of steel component in embodiment 1；

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

Fig. 3 is structural schematic diagram when embodiment 1 is assembled；

Fig. 4 is the structural schematic diagram of embodiment 2；

Fig. 5 is the enlarged drawing in the portion B in Fig. 4；

Fig. 6 is the structural schematic diagram of plastic conduit in embodiment 2；

Fig. 7 is the structural schematic diagram of compressing member in embodiment 2.

In figure: 1, steel component；11, fixing end；12, socket end；2, the peak type flank of tooth；21, tooth peak；22, tooth paddy；210, circle Angle；211, base angle；3, lead-in chamfered；4, valve body；5, runner；6, plastic conduit；7, compressing member；70, chamber is compressed.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment 1

Referring to figs. 1 to Fig. 3, a kind of peak type tooth steel moulds translation building block, including a tubular steel component 1, steel component 1 Periphery wall circumferentially arranged with the peak type flank of tooth 2, the peak type flank of tooth 2 by isosceles triangular structure tooth peak 21 and trapezoidal structure The staggered composition of tooth paddy 22, one end of steel component 1 is the fixing end 11 for being fixedly welded on valve body 4, the other end is socket The socket end 12 of plastic conduit 6, the peak type flank of tooth 2 extend to socket end 12 from the periphery wall of steel component 1.

Wherein, the apex angle at tooth peak 21 is fillet 210, and the radius of the fillet 210 is 2mm, and the base angle 211 at tooth peak 21 is 80 °, a tooth paddy 22 is accompanied between two tooth peaks 21.

Wherein, the quantity at tooth peak 21 is 12.

In addition, the socket end 12 of steel component 1 is circumferentially arranged with lead-in chamfered 3, and the lead-in chamfered 3 is with close to socket The end face diameter at end 12 is gradually reduced.

In addition, 1 periphery of steel component is arranged with compressing member 7, between the inner circumferential of the compressing member 7 and the periphery of steel component 1 Constitute the compression chamber 70 for compressing plastic conduit 6.

Embodiment 2

With reference to Fig. 4 to Fig. 7, a kind of Gas-combustion valve, directly connection have a kind of peak type tooth steel modeling conversion as described in Example 1 Component.Specifically,

Including valve body 4, runner 5 is offered in valve body 4, valve body 4 is in the outlet end of runner 5 and the fixing end of steel component 1 11 are welded and fixed, and the socket end 12 of steel component 1 is for being socketed plastic conduit 6.

In addition, steel component 1 is socketed with plastic conduit 6, by the method for temperature difference assembling interference fit, i.e., by plastic conduit 6 are heated to certain temperature, and then set is connected on steel component 1, achieve the purpose that interference fit after its cooling, and pass through steel The lead-in chamfered 3 of 1 end of component realizes the axially position of plastic conduit 6, and plastic conduit 6 generallys use PE pipe.

In addition, the periphery of plastic conduit 6, which is circumferentially pressed, is equipped with compressing member 7, compressing member 7, which is located at, to be compressed in chamber 70, utilizes pressure The periphery of the inner circumferential of compressing member 7 and plastic conduit 6 is interference fitted by power press-fit method, is realized and is reinforced to the compression of plastic conduit 6.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (6)

1. a kind of peak type tooth steel moulds translation building block, it is characterised in that: including a tubular steel component (1), the steel The periphery wall of component (1) is circumferentially arranged with the peak type flank of tooth (2), and the peak type flank of tooth (2) is by the tooth in isosceles triangular structure Tooth paddy (22) the staggered composition at peak (21) and trapezoidal structure, one end of the steel component (1) are to be fixedly welded on The fixing end (11) of valve body, the other end are the socket end (12) for being socketed plastic conduit, and the peak type flank of tooth (2) is from steel component (1) periphery wall extends to socket end (12).

2. a kind of peak type tooth steel according to claim 1 moulds translation building block, it is characterised in that: the top at the tooth peak (21) Angle is fillet (210), and the radius of the fillet (210) is 2mm, and the base angle (211) at the tooth peak (21) is 80 °.

3. a kind of peak type tooth steel according to claim 1 moulds translation building block, it is characterised in that: the number at the tooth peak (21) Amount is 12.

4. a kind of peak type tooth steel according to claim 1 moulds translation building block, it is characterised in that: the steel component (1) Socket end (12) circumferentially arranged with lead-in chamfered (3), and the lead-in chamfered (3) with close to socket end (12) end face diameter It is gradually reduced.

5. a kind of peak type tooth steel according to claim 1 moulds translation building block, it is characterised in that: the steel component (1) Periphery is arranged with compressing member (7), is constituted between the inner circumferential of the compressing member (7) and the periphery of steel component (1) for compressing The compression chamber (70) of plastic conduit (6).

6. using a kind of combustion gas lock that a kind of peak type tooth steel modeling translation building block is constituted described in claims 1 or 2 or 3 or 4 or 5 Valve, it is characterised in that: including valve body (4), offered runner (5) in the valve body (4), the valve body (4) Yu Liudao (5) Outlet end and the fixing end (11) of steel component (1) be welded and fixed.