CN205331448U

CN205331448U - Screw thread butterfly valve

Info

Publication number: CN205331448U
Application number: CN201620093373.2U
Authority: CN
Inventors: 叶文鑫
Original assignee: Wenzhou Yongsheng Valve Machinery Factory
Current assignee: Wenzhou Yongsheng Valve Machinery Factory
Priority date: 2016-01-29
Filing date: 2016-01-29
Publication date: 2016-06-22
Anticipated expiration: 2026-01-29

Abstract

The utility model discloses a screw thread butterfly valve aims at providing one kind and is convenient for lock handle structure, prevents the screw thread butterfly valve of skew, has solved the handle and disturbed by external factors, leads to the fact the pivoted problem, and its technical scheme main points are including the valve casing, install case in the valve casing, with case fixed connection and for driver's valve core in the handle components of valve casing internal rotation, handle components include the joint in the base of valve casing, inlay the pivot of locating the base top, radially wear to penetrate in the branch of pivot, be equipped with the locating hole on the base, supply branch pivoted activity groove, branch cavity just is equipped with bolt spare, the top and the locating hole bolt of bolt spare cooperate, have reached to prevent that the case from rotating the skew, improves the convenience of use and life's effect.

Description

Screw thread butterfly valve

Technical field

This utility model relates to butterfly valve, more specifically, it relates to adopt the screw thread butterfly valve of hickey。

Background technology

Screw thread butterfly valve structure is simple, volume is little, lightweight, installation dimension is little, easy for installation。Fluid can arbitrarily select into and out of this valve direction, has two-way function。Horizontal pipe, vertical pipe all can be installed。Easy to operate, switch is rapidly。Handle only need to rotate 90 ° can realize switch, and butterfly valve standard-sized sheet, 45 ° of apertures and complete closing position by handle。Screw thread butterfly valve is commercially widely used, also relatively common。But handle and spool link together and can rotate; therefore there is the degree of freedom of direction of rotation after rotation in handle; therefore; the butterfly valve being arranged on open air would generally cause handle offset due to extraneous factor; so that Flow-rate adjustment is inaccurate, for instance: the imprudence touching of butterfly valve non-working person out of doors, and easily make handle motion; therefore for the consideration of this phenomenon, it is necessary to screw thread butterfly valve is improved further。

Additionally, find by retrieving, open (bulletin) number: CN2212689, Chinese patent mesolow heatproof anticorrosion female thread butterfly valve, including left valve barrel eccentric valve rod and handle, setting the sealing surface being connected with the eccentric valve rod eccentric butterfly plate as ball arcuation in left valve barrel, its handle is easily caused skew by extraneous or other interference, it is therefore desirable to perfect further。

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is in that: provides and is easy to lock handle structure, it is prevented that the screw thread butterfly valve of skew。

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of screw thread butterfly valve, the Handleset being connected and in order to drive spool to rotate in valve casing is fixed with spool including valve casing, the spool that is installed in valve casing, described Handleset includes being connected in the base of valve casing, is embedded at the pivot of base top, radially wears and penetrate the pole in pivot, the loose slot that described base is provided with hole, location, rotates for pole, described pole hollow and be provided with pin member, the top of described pin member coordinates with hole, location latch。

By above-mentioned setting, spool rotates in valve casing, thus the aperture realizing valve regulates, in this structure, Handleset is operated by staff as driver part, pivot is attached on spool, such that it is able to rotate spool, pole can carry out activity on base, because being provided with loose slot, pole makes to pivot in the process that loose slot is movable, but the spacing end that can only rely on loose slot, by arranging pin member, and pole is arranged to hollow structure, have received material, and facilitate pin member movable, and pin member may be inserted into hole, location, such that it is able to pole is locked, the skew preventing pole causes the rotating shaft of pivot, and then the conversion of spool aperture avoided, improve stability and the controllability of butterfly valve。

Can be preferably as concrete scheme of the present utility model: the bottom of described pin member sets elastic component, and described elastic component is arranged at the inside of pole and abuts with pole。

By above-mentioned setting, elastic component is set the restoring force of pin member can be provided, such that it is able to be effectively improved the convenient degree of use, and the elastic force of elastic component can to one elastic force of pin member, such that it is able to prevent pin member location hole on disengaging。

Can being preferably as concrete scheme of the present utility model: described loose slot is quarter turn, hole, described location is arranged at the position being point of symmetry with the base center of circle of loose slot end points。

By above-mentioned setting, owing to this valve arrangement is butterfly valve, therefore regulate the on an off of spool to have only to regulate the anglec of rotation of 90 ° and can realize, therefore need to keep the longer time at standard-sized sheet and complete two states closed, it is thus desirable to improve the degree of stability of this state, therefrom hole, location is so arranged, and then the degree of stability of these two states can be improved。

Can be preferably as concrete scheme of the present utility model: described elastic component is arranged with dirt-proof boot。

By above-mentioned setting, owing to elastic component can be spring, if easily causing corrosion phenomenon with the many mistakes of extraneous contact, therefore, dust can be isolated by dirt-proof boot on the one hand, other extraneous factors can be intercepted on the other hand, improve service life and the degree of stability of elastic component。

Can be preferably as concrete scheme of the present utility model: the sidewall of described dirt-proof boot has bellows structure。

By above-mentioned setting, the structure of corrugated tube is set on dirt-proof boot, owing to the length of elastic component can change, the dirt-proof boot therefore arranged also because of when can efficient deformation, thus the structure of corrugated tube can effectively solve problems。

Can being preferably as concrete scheme of the present utility model: the bottom of described base is provided with fixture block, described fixture block every side on valve casing is provided with two。

By above-mentioned setting, the interface arrangment of fixture block can improve base degree of stability on valve casing, another convenient effect that valve casing structure plays reinforcement, improves clamping intensity and spacing base so that floor installation is more firm on valve casing。

In sum, this utility model has the advantages that and is easy to lock handle structure by the Handleset after improving, it is prevented that valve core rotation offsets, and improves the convenience and service life that use。

Accompanying drawing explanation

Fig. 1 is the structural representation of the present embodiment；

Fig. 2 is the front view of Fig. 1；

Fig. 3 is the sectional view in the A-A face of Fig. 2；

Fig. 4 is the Handleset partial sectional view of the present embodiment；

Fig. 5 is the Handleset partial sectional view of the present embodiment two。

In figure 1, valve casing；2, spool；3, Handleset；31, base；311, hole, location；312, loose slot；32, pivot；33, pole；34, pin member；35, elastic component；36, dirt-proof boot；4, fixture block。

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail。

Embodiment 1: such as Fig. 1, shown in 2, a kind of screw thread butterfly valve, including valve casing 1, it is installed on the spool 2 in valve casing 1, the Handleset 3 being connected and in order to drive spool 2 to rotate in valve casing 1 is fixed with spool 2, spool 2 is disc, design all ratios of the spool 2 of butterfly valve are more conventional, described Handleset 3 includes the base 31 being connected in valve casing 1, it is embedded at the pivot 32 at base 31 top, radially wear and penetrate the pole 33 in pivot 32, described base 31 is provided with hole 311, location, for the loose slot 312 that pole 33 rotates, described pole 33 hollow and be provided with pin member 34, the top of described pin member 34 coordinates with hole 311, location latch。Pin member 34 can be pulled to move pin member 34。Owing to this is screw thread butterfly valve, therefore its two ends are provided with screw thread, it can be provided female thread or external screw thread。

From Fig. 3, the internal structure that can be clearly seen that pole 33 4, pole 33 inner hollow, it is possible to installing pin member 34, pin member 34 be " L " shape, and material is aluminium alloy, it is possible to the effectively weight of reduction pin member 34。The bottom of pin member 34 sets elastic component 35, and described elastic component 35 is arranged at the inside of pole 33 and abuts with pole 33。Elastic component 35 is preferably spring, and same can adopt extension spring as elastic component 35。Spool 2 rotates in valve casing 1, thus the aperture realizing valve regulates, in this structure, Handleset 3 is operated by staff as driver part, pivot 32 is attached on spool 2, such that it is able to rotate spool 2, pole 33 can carry out activity on base 31, because being provided with loose slot 312, pole 33 makes pivot 32 rotate in the process of loose slot 312 activity, but the spacing end that can only rely on loose slot 312, by arranging pin member 34, and pole 33 is arranged to hollow structure, have received material, and facilitate pin member 34 movable, and pin member 34 may be inserted into hole 311, location, such that it is able to pole 33 is locked, the skew preventing pole 33 causes the rotating shaft of pivot 32, and then the conversion of spool 2 aperture avoided, improve stability and the controllability of butterfly valve。

Elastic component 35 is set the restoring force of pin member 34 can be provided, such that it is able to be effectively improved the convenient degree of use, and the elastic force of elastic component 35 can to 34 1 elastic force of pin member, such that it is able to prevent pin member 34 location hole 311 on disengaging。

As it is shown on figure 3, loose slot 312 is quarter turn, hole, described location 311 is arranged at the position being point of symmetry with base 31 center of circle of loose slot 312 end points。Owing to this valve arrangement is butterfly valve, therefore regulate the on an off of spool 2 to have only to regulate the anglec of rotation of 90 ° and can realize, therefore need to keep the longer time at standard-sized sheet and complete two states closed, it is thus desirable to improve the degree of stability of this state, therefrom hole, location 311 is so arranged, and then the degree of stability of these two states can be improved。

Use procedure: pull pin member 34 can so that pin member 34 end depart from location hole 311, realize rotating thus pulling pole 33, owing to pin member 34 is reinserted by the elastic force of spring, hole 311, second location positions after rotation, it is possible to repetitive operation uses。

Embodiment 2: as it is shown in figure 5, be optimized design on the basis of said structure, elastic component 35 is arranged with dirt-proof boot 36。The sidewall of dirt-proof boot 36 has bellows structure。Dirt-proof boot 36 can adopt plastic sheeting or elastomeric material makes, it is possible to be set in the outside of spring。

By above-mentioned setting, owing to elastic component 35 elects spring as, if easily causing corrosion phenomenon with the many mistakes of extraneous contact, therefore, dust can be isolated by dirt-proof boot 36 1 aspect, other extraneous factors can be intercepted on the other hand, improve service life and the degree of stability of elastic component 35。The structure of corrugated tube is set on dirt-proof boot 36, owing to the length of elastic component 35 can change, the dirt-proof boot 36 therefore arranged also because of when can efficient deformation, thus the structure of corrugated tube can effectively solve problems。

Can optimizing the structure of base 31 further, the bottom of base 31 arranges fixture block 4, and fixture block 4 every side on valve casing 1 is provided with two。The interface arrangment of fixture block 4 can improve the base 31 degree of stability on valve casing 1, another convenient effect that valve casing 1 structure plays reinforcement, improves clamping intensity and spacing base 31 so that base 31 is arranged on valve casing 1 more firm。

In sum, it is easy to lock handle structure by the Handleset 3 after improving, it is prevented that spool 2 pivot offset, improves the convenience and service life that use。

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification, but as long as being affected by the protection of Patent Law in right of the present utility model。

Claims

1. a screw thread butterfly valve, including valve casing (1), it is installed on the spool (2) in valve casing (1), the Handleset (3) being connected and in order to drive spool (2) to rotate in valve casing (1) is fixed with spool (2), it is characterized in that: described Handleset (3) includes being connected in the base (31) of valve casing (1), it is embedded at the pivot (32) at base (31) top, radially wear the pole (33) penetrated in pivot (32), described base (31) is provided with hole, location (311), for the loose slot (312) that pole (33) rotates, described pole (33) hollow and be provided with pin member (34), the top of described pin member (34) coordinates with location hole (311) latch。

2. screw thread butterfly valve according to claim 1, it is characterized in that: the bottom of described pin member (34) sets elastic component (35), described elastic component (35) is arranged at the inside of pole (33) and abuts with pole (33)。

3. screw thread butterfly valve according to claim 2, it is characterized in that: described loose slot (312) is quarter turn, hole, described location (311) is arranged at the position being point of symmetry with base (31) center of circle of loose slot (312) end points。

4. screw thread butterfly valve according to claim 3, it is characterised in that: described elastic component (35) is arranged with dirt-proof boot (36)。

5. screw thread butterfly valve according to claim 4, it is characterised in that: the sidewall of described dirt-proof boot (36) has bellows structure。

6. the screw thread butterfly valve according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that: the bottom of described base (31) is provided with fixture block (4), and described fixture block (4) is provided with two in the upper every side of valve casing (1)。