CN208381343U - A kind of novel three-eccentric-butterfly-valve - Google Patents

Abstract

The utility model discloses a kind of novel three-eccentric-butterfly-valves, including valve body, the inner cavity of the valve body is provided with sealing surface, the bottom of the valve body is fixedly connected with Lower shaft sleeve, Upper shaft sleeve is fixedly connected at the top of the valve body, the two sides at the top of the Upper shaft sleeve offer the first bolt hole, are provided with bracket at the top of the Upper shaft sleeve, the two sides of the frame bottom offer the second bolt hole, and the thread in inner cavity of second bolt hole is connected with the first bolt.The mutual cooperation that the utility model passes through setting valve body, sealing surface, Lower shaft sleeve, Upper shaft sleeve, the first bolt hole, bracket, the second bolt hole, the first bolt, nut, shell, first bearing seat, worm screw, rotating disc, worm gear, shaft, second bearing seat, 3rd bearing seat, butterfly plate, sealing ring and turning handle, the good advantage of sealing effect is reached, it solves the problems, such as that existing three-eccentric-butterfly-valve sealing effect is bad, improves the practicability of three-eccentric-butterfly-valve.

Description

A kind of novel three-eccentric-butterfly-valve

Technical field

The utility model relates to three-eccentric-butterfly-valve technical field, specially a kind of novel three-eccentric-butterfly-valve.

Background technique

Butterfly valve is called flap valve, be closure member (valve plate) be disk, around valve shaft (also known as valve rod) rotate reach open With a kind of valve of closing, valve can be used for controlling empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and The flowing of the various types fluid such as radiating medium, mainly plays cutting and throttling action on pipeline, and butterfly valve opening and closing element is one Discoidal butterfly plate rotates in valve body around the axis of its own, thus achieve the purpose that opening and closing or adjusting, current existing three Eccentric-butterfly-valve, sealing effect are bad, it has not been convenient to which people use, and reduce the practicability of three-eccentric-butterfly-valve.

Utility model content

The purpose of this utility model is to provide a kind of novel three-eccentric-butterfly-valves, have the good advantage of sealing effect, solve Existing three-eccentric-butterfly-valve sealing effect bad problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of novel three-eccentric-butterfly-valve, including valve Body, the inner cavity of the valve body are provided with sealing surface, and the bottom of the valve body is fixedly connected with Lower shaft sleeve, and the top of the valve body is solid Surely it is connected with Upper shaft sleeve, the two sides at the top of the Upper shaft sleeve offer the first bolt hole, are provided at the top of the Upper shaft sleeve Bracket, the two sides of the frame bottom offer the second bolt hole, and the thread in inner cavity of second bolt hole is connected with first The bottom of bolt, first bolt is through to the bottom of the first bolt hole and is threaded with nut, the top of the bracket It is fixedly connected with shell, first bearing seat, the right side set of the first bearing seat are fixedly connected on the left of the housing cavity It is connected to worm screw, the right side of shell is through on the right side of the worm screw and is fixedly connected with rotating disc, the surface engagement of the worm screw There is worm gear, shaft is socketed at the axle center of the worm gear, second bearing seat, the second bearing are socketed at the top of the shaft It is fixedly connected at the top of the top of seat and housing cavity, the bottom of the shaft is through to the inner cavity of Lower shaft sleeve and is socketed with third The bottom of bearing block, the 3rd bearing seat is fixedly connected with the bottom of Lower shaft sleeve inner cavity.

Preferably, the surface of the shaft is provided with butterfly plate, is provided on the outside of the butterfly plate and is used cooperatively with sealing surface Sealing ring.

Preferably, the bottom on the right side of the rotating disc is provided with turning handle, and the surface of the turning handle is provided with Anti-slip cover.

Preferably, the front of the valve body offers several mounting holes, and the shape size of several mounting holes is identical.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model passes through setting valve body, sealing surface, Lower shaft sleeve, Upper shaft sleeve, the first bolt hole, bracket, the second spiral shell Keyhole, the first bolt, nut, shell, first bearing seat, worm screw, rotating disc, worm gear, shaft, second bearing seat, 3rd bearing The mutual cooperation of seat, butterfly plate, sealing ring and turning handle has reached the good advantage of sealing effect, solves existing three eccentricity butterfly The bad problem of valve sealing effect facilitates people's use, improves the practicability of three-eccentric-butterfly-valve.

2, the utility model plays the work of slow-roll stabilization to shaft by setting second bearing seat and 3rd bearing seat With, solve the problems, such as that rotation is unstable when the work of shaft uses, by the way that Anti-slip cover is arranged, to people when using turning handle from Anti-skidding effect has been arrived, has solved the problems, such as that people are fallen off when using turning handle, by the way that sealing surface and sealing ring is arranged, Play the role of sealing after closure to butterfly plate, solves the problems, such as that butterfly plate occurs not being fully sealed when working and using.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model shell cross-sectional view.

In figure: 1 valve body, 2 sealing surfaces, 3 Lower shaft sleeves, 4 Upper shaft sleeves, 5 first bolts hole, 6 brackets, 7 second bolts hole, 8 One bolt, 9 nuts, 10 shells, 11 first bearing seats, 12 worm screws, 13 rotating discs, 14 worm gears, 15 shafts, 16 second bearing seats, 17 3rd bearing seats, 18 butterfly plates, 19 sealing rings, 20 turning handles.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of novel three-eccentric-butterfly-valve referring to FIG. 1-2, including valve body 1, the front of valve body 1 offer several installations Hole, and the shape size of several mounting holes is identical, the inner cavity of valve body 1 is provided with sealing surface 2, by setting sealing surface 2 and close Seal 19 plays the role of sealing to butterfly plate 18 after closure, and solving butterfly plate 18, appearance can not be complete when working use The problem of sealing, the bottom of valve body 1 are fixedly connected with Lower shaft sleeve 3, and the top of valve body 1 is fixedly connected with Upper shaft sleeve 4, Upper shaft sleeve 4 The two sides at top offer the first bolt hole 5, and the top of Upper shaft sleeve 4 is provided with bracket 6, and the two sides of 6 bottom of bracket open up There is the second bolt hole 7, the thread in inner cavity of the second bolt hole 7 is connected with the first bolt 8, and the bottom of the first bolt 8 is through to first The bottom of bolt hole 5 is simultaneously threaded with nut 9, and the top of bracket 6 is fixedly connected with shell 10, and the left side of 10 inner cavity of shell is solid Surely it is connected with first bearing seat 11, the right side of first bearing seat 11 is socketed with worm screw 12, and the right side of worm screw 12 is through to shell 10 Right side and be fixedly connected with rotating disc 13, the bottom on the right side of rotating disc 13 is provided with turning handle 20, and the surface of turning handle 20 is set It is equipped with Anti-slip cover, by the way that Anti-slip cover is arranged, anti-skidding effect is played when using turning handle 20 to people, people is solved and exists The problem of using falling off when turning handle 20, the surface of worm screw 12 are engaged with worm gear 14, are socketed with and turn at the axle center of worm gear 14 Axis 15, the surface of shaft 15 are provided with butterfly plate 18, and the outside of butterfly plate 18 is provided with the sealing ring 19 being used cooperatively with sealing surface 2, The top of shaft 15 is socketed with second bearing seat 16, by setting second bearing seat 16 and 3rd bearing seat 17, rises to shaft 15 The effect for having arrived slow-roll stabilization solves the problems, such as that rotation is unstable when the work of shaft 15 uses, the top of second bearing seat 16 It is fixedly connected at the top of 10 inner cavity of shell, the bottom of shaft 15 is through to the inner cavity of Lower shaft sleeve 3 and is socketed with 3rd bearing seat 17, the bottom of 3rd bearing seat 17 is fixedly connected with the bottom of 3 inner cavity of Lower shaft sleeve, by the way that valve body 1, sealing surface 2, Lower shaft sleeve is arranged 3, Upper shaft sleeve 4, the first bolt hole 5, bracket 6, the second bolt hole 7, the first bolt 8, nut 9, shell 10, first bearing seat 11, Worm screw 12, rotating disc 13, worm gear 14, shaft 15, second bearing seat 16,3rd bearing seat 17, butterfly plate 18, sealing ring 19 and rotation 20 mutual cooperation, the good advantage of sealing effect is reached, has solved that existing three-eccentric-butterfly-valve sealing effect is bad to ask Topic facilitates people's use, improves the practicability of three-eccentric-butterfly-valve.

In use, people shake turning handle 20 first, turning handle 20 drives rotating disc 13 to start turning, and rotating disc 13 passes through First bearing seat 11 drives worm screw 12 to start turning, and worm screw 12 drives worm gear 14 to start turning, and worm gear 14 passes through second bearing seat 16 and 3rd bearing seat 17 drive shaft 15 start turning, shaft 15 drive butterfly plate 18 start turning closure, butterfly plate 18 drives close Seal 19 turn to valve body 1 inner cavity and sealing surface 2 it is closely sealed, to arrive the good advantage of sealing effect.

In summary: the novel three-eccentric-butterfly-valve, by the way that valve body 1, sealing surface 2, Lower shaft sleeve 3, Upper shaft sleeve 4, first is arranged Bolt hole 5, bracket 6, the second bolt hole 7, the first bolt 8, nut 9, shell 10, first bearing seat 11, worm screw 12, rotating disc 13, the phase interworking of worm gear 14, shaft 15, second bearing seat 16,3rd bearing seat 17, butterfly plate 18, sealing ring 19 and turning handle 20 It closes, solves the problems, such as that existing three-eccentric-butterfly-valve sealing effect is bad.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of novel three-eccentric-butterfly-valve, including valve body (1), it is characterised in that: the inner cavity of the valve body (1) is provided with sealing surface (2), the bottom of the valve body (1) is fixedly connected with Lower shaft sleeve (3), is fixedly connected with Upper shaft sleeve at the top of the valve body (1) (4), the two sides at the top of the Upper shaft sleeve (4) offer the first bolt hole (5), are provided with branch at the top of the Upper shaft sleeve (4) The two sides of frame (6), bracket (6) bottom offer the second bolt hole (7), the thread in inner cavity of second bolt hole (7) It is connected with the first bolt (8), the bottom of first bolt (8) is through to the bottom of the first bolt hole (5) and is threaded with Nut (9) is fixedly connected with shell (10) at the top of the bracket (6), is fixedly connected on the left of shell (10) inner cavity First bearing seat (11) is socketed with worm screw (12) on the right side of the first bearing seat (11), and the right side of the worm screw (12) is run through To shell (10) right side and be fixedly connected with rotating disc (13), the surface of the worm screw (12) is engaged with worm gear (14), described It is socketed at the axle center of worm gear (14) shaft (15), is socketed with second bearing seat (16) at the top of the shaft (15), described It is fixedly connected at the top of the top of two bearing bracket (16) and shell (10) inner cavity, the bottom of the shaft (15) is through to Lower shaft sleeve (3) inner cavity is simultaneously socketed with 3rd bearing seat (17), the bottom of the 3rd bearing seat (17) and the bottom of Lower shaft sleeve (3) inner cavity It is fixedly connected.

2. a kind of novel three-eccentric-butterfly-valve according to claim 1, it is characterised in that: the surface of the shaft (15) is arranged Have butterfly plate (18), the sealing ring (19) being used cooperatively with sealing surface (2) is provided on the outside of the butterfly plate (18).

3. a kind of novel three-eccentric-butterfly-valve according to claim 1, it is characterised in that: the bottom on the right side of the rotating disc (13) Portion is provided with turning handle (20), and the surface of the turning handle (20) is provided with Anti-slip cover.

4. a kind of novel three-eccentric-butterfly-valve according to claim 1, it is characterised in that: the front of the valve body (1) opens up There are several mounting holes, and the shape size of several mounting holes is identical.