CN203703172U - Limiting butterfly valve - Google Patents

Abstract

The utility model discloses a limiting butterfly valve. The limiting butterfly valve comprises a butterfly valve body, a limiting table and a handle, wherein a valve body, a valve rod and a valve clack are arranged on the butterfly valve body; the valve body has a two-piece structure; fixing holes are formed in the valve body, and the quantity of the fixing holes can be designed according the size of a practical product; the two-piece structure is fixedly connected by inserting bolts into the fixing holes; a sealing ring is arranged at a contact position between the valve clack and the valve body; a valve rod through hole is formed in the sealing ring; the valve rod passes through the valve rod through hole and is integrated with the valve clack; a fixing platform and a limiting platform are arranged on the limiting table, and two platforms assume an angle of 90 degrees; the limiting platform is fixedly connected with the valve body by connecting bolts with two limiting holes; a main handle and a secondary handle are arranged on the handle; a secondary handle connecting hole is formed in a connecting table arranged on main handle; a main handle connecting hole is formed in the secondary handle; the secondary handle connecting and the main handle connecting hole are consistent in size, and are connected to the connecting platform by riveting.

Description

A kind of spacing butterfly valve

Technical field

The utility model relates to valve industry, particularly a kind of spacing butterfly valve.

Background technique

In prior art, there is the technology of discloseder relevant spacing butterfly valve, as the Handle of butterfly valve regulation structure of application number 201320250928.6 disclosed multistage adjustings, a kind of Handle of butterfly valve regulation structure of multistage adjusting is disclosed, comprise valve body and be fixed on the regulating handle on valve body top cover, it is characterized in that, the outward edge of described valve body top cover is provided with some notches, and the adjusting edge on described regulating handle snaps in described some notches and realizes multistage adjusting.This design snaps in the adjusting edge on regulating handle in the notch of diverse location, can control the keying mouth size of valve plate, realizes the function of multistage adjust flux., described some notches are ten notches, adjacent two notches are 10 ° with the central angle that the valve body top cover line of centres becomes, and adopt the words of this design can realize the spacing adjusting of 90 ° of scopes.

Application number is in 2008200778516.8 application documents, also to disclose Handle of butterfly valve, main is also the technical characteristics that embodies spacing butterfly valve, Handle of butterfly valve comprises handle, handle set and ratchet, the inside at handle rear portion is provided with ratchet, hinged between ratchet and handle, there is mounting hole the top center position of handle, handle is connected with valve rod by mounting hole, on described handle set, be provided with fixed hole, handle set is fixedly connected by fixed hole and butterfly valve body, in the top circumference of handle set, be provided with arc convex, the lower end surface of handle front portion and the top of handle set offset, handle front portion is provided with flange and handle is anterior and arc convex is slidably matched, on the circumference of the side of described handle set, be also provided with and be the tooth that arcuation distributes, described tooth and ratchet cooperatively interact, in prior art, also has similarly design, all the other correlation technique features on handle are disclosed, such as adopting drawing craft design, handle holds groove with hand, in use feel is fine, although this design can bring corresponding beneficial effect on some use, but all more complicated of cost of production and technique are not very desirable in overall price/performance ratio.

Summary of the invention

In order to make up the deficiency of product in prior art, a kind of spacing butterfly valve of the utility model special design, on production technology cost, also product relatively of the prior art is cheaper simultaneously can to realize convenient in use, can realize higher cost performance.

In order to achieve the above object, a kind of spacing butterfly valve, comprises butterfly valve body, limit dais and handle, is provided with valve body, valve rod and flap on butterfly valve body.

Described valve body is two-piece type structure, on valve body, be provided with fixed hole, the number of fixed hole can be according to the size design of actual product, two-piece type structure is passed fixed hole by bolt and is connected and fixed, flap and valve body contact position are provided with seal ring, on seal ring, be provided with stem through-hole, valve rod is through the stem through-hole arranging on seal ring and the design of flap integral type.

On limit dais, be provided with fixed platform and limiting platform, two platforms are in 90 °, in fixed platform, be provided with positioning hole, fixed hole consistent size on positioning hole size and valve body, the number of positioning hole is two, position is consistent with corresponding adjacent two fixed hole positions on valve body, limiting platform is bolted two spacing holes and valve body is connected and fixed, limiting platform designs for semicircle, on limiting platform, be provided with stem through-hole and limited impression, limited impression is evenly distributed on semicircle, number is designed to odd number, can design according to actual needs corresponding number N, N is more than or equal to 3, preferably 5 of the design.

On handle, be provided with main handle and secondary handle, in the connected unit arranging on main handle, be provided with secondary handle attachment hole, on secondary handle, be provided with main handle attachment hole, the consistent size of secondary handle attachment hole and main handle attachment hole, both are arranged in connected unit by riveting, and both connections have realized the connection of main handle and secondary handle, on main handle, be provided with valve rod attachment hole, main handle snak link and fastener hole, valve rod is connected with main handle by valve rod attachment hole, then by fastening screw is set on fastener hole, valve rod is fixedly connected on main handle, on secondary handle, be provided with limit part and hold part, two-part are connected to hinged, limit part is provided with limiting stopper, the geomery of limiting stopper is consistent with the limited impression arranging on limiting platform, hold and in part, be provided with secondary handle snak link, secondary handle is held part several preferred versions, it can be the design of circular arc type afterbody, also can be use time with finger contact part adopt anti-skid rubber cushion design, the words of the simple alternative of the latter's design proposal can be by adopting anti-slip tank design with finger contact part in use, spring is connected and is arranged on handle with secondary handle snak link by main handle snak link, when limiting stopper moves to corresponding limited impression position, under the effect of spring self stretching elasticity, limiting stopper can be buckled in limited impression, realize spacing.

The beneficial effects of the utility model are, flap and valve body contact position are realized valve seal by being provided with seal ring, valve rod is through the stem through-hole arranging on seal ring, again through the stem through-hole on limit dais, finally be connected with the valve rod attachment hole on the main handle of handle, adopt fastened by screw by the fastener hole arranging on main handle, the limited impression arranging on limit dais is evenly distributed on semicircle circumference, can realize the adjusting of 180 ° of scopes, most importantly this design can meet people's operation of the different use habits of right-hand man, finally by the secondary handle design of hommization, adopt circular arc afterbody or adopt anti-skid rubber cushion design with mobile phone contact segment in use, or the latter's alternative is adopting anti-slip tank design with finger contact part, can operate when in use more comfortable, in reaching such effect because simplicity of design, cost of production does not increase, overall price/performance ratio has just obtained very large lifting, make up the defect existing in prior art.

Accompanying drawing explanation

Fig. 1 is that schematic diagram is just being cutd open in a kind of spacing butterfly valve body and limit dais combination;

Fig. 2 is that a kind of spacing butterfly valve body and limit dais combination side are cutd open schematic diagram;

Fig. 3 is limit dais structural representation;

Fig. 4 is handle arrangement schematic diagram;

Fig. 5 is main handle structure schematic diagram;

In figure: 1, valve body, 2, fixed hole, 3, valve rod, 4, limit dais, 41, limited impression, 5, seal ring, 6, flap, 7, main handle, 71, fastener hole, 72, main handle snak link, 73, valve rod attachment hole, 8, connected unit, 81, secondary handle attachment hole, 91, limiting stopper, 92, secondary handle snak link, 93, main handle attachment hole, 10, spring, 11, anti-skid rubber cushion.

Embodiment

As shown in accompanying drawing 1,2,3,4 and 5, a kind of spacing butterfly valve, comprises butterfly valve body, limit dais 4 and handle, is provided with valve body 1, valve rod 3 and flap 6 on butterfly valve body.

Described valve body 1 is two-piece type structure, on valve body 1, be provided with fixed hole 2, the number of fixed hole 2 can be according to the size design of actual product, two-piece type structure is passed fixed hole by bolt and is connected and fixed, flap 6 is provided with seal ring 5 with valve body 1 contact position, on seal ring 5, be provided with stem through-hole, valve rod 3 is through the stem through-hole arranging on seal ring 5 and flap 6 integral type designs.

On limit dais 4, be provided with fixed platform and limiting platform, two platforms are in 90 °, in fixed platform, be provided with positioning hole, fixed hole 2 consistent size on positioning hole size and valve body, the number of positioning hole is two, position and corresponding adjacent two fixed hole 2 position consistency on valve body 1, limiting platform is bolted two spacing holes and valve body 1 is connected and fixed, limiting platform designs for semicircle, on limiting platform, be provided with stem through-hole and limited impression 41, limited impression 41 is evenly distributed on semicircle, number is designed to odd number, can design according to actual needs corresponding number N, N is more than or equal to 3, preferably 5 of the design.

On handle, be provided with main handle 7 and secondary handle, in the connected unit 8 arranging on main handle 7, be provided with secondary handle attachment hole 81, on secondary handle, be provided with main handle attachment hole 93, the consistent size of secondary handle attachment hole 81 and main handle attachment hole 93, both are arranged in connected unit 8 by riveting, and both connections have realized the connection of main handle and secondary handle, on main handle 7, be provided with valve rod attachment hole 73, main handle snak link 72 and fastener hole 71, valve rod 3 is connected with main handle 7 by valve rod attachment hole 73, then by fastening screw is set on fastener hole 71, valve rod 3 is fixedly connected on main handle 7, on secondary handle, be provided with limit part and hold part, two-part are connected to hinged, limit part is provided with limiting stopper 91, the geomery of limiting stopper 91 is consistent with the limited impression 41 arranging on limiting platform, hold and in part, be provided with secondary handle snak link 92, secondary handle is held part several preferred versions, it can be the design of circular arc type afterbody, also can be to design with finger contact part employing anti-skid rubber cushion 11 while using, the words of the simple alternative of the latter's design proposal can be by adopting anti-slip tank design with finger contact part in use, spring 10 is connected and is arranged on handle with secondary handle snak link 92 by main handle snak link 72, when limiting stopper 91 moves to corresponding limited impression position, under the effect of spring self stretching elasticity, limiting stopper 91 can be buckled in limited impression 72, realize spacing.

The spacing butterfly valve flap 6 of one that this design provides and valve body 1 contact position are realized valve body 1 and are sealed by being provided with seal ring 5, valve rod 3 is through the stem through-hole arranging on seal ring 5, again through the stem through-hole on limit dais 4, finally be connected with the valve rod attachment hole on the main handle 7 of handle, adopt fastened by screw by the fastener hole 71 arranging on main handle 7, the limited impression 41 arranging on limit dais 4 is evenly distributed on semicircle circumference, can realize the adjusting of 180 ° of scopes, most importantly this design can meet people's operation of the different use habits of right-hand man, finally by the secondary handle design of hommization, adopt circular arc afterbody or adopt anti-skid rubber cushion 11 to design with mobile phone contact segment in use, or the latter's alternative is adopting anti-slip tank design with finger contact part, can operate when in use more comfortable, in reaching such effect because simplicity of design, cost of production does not increase, overall price/performance ratio has just obtained very large lifting, make up the defect existing in prior art.

Claims (4)

1. a spacing butterfly valve, comprise butterfly valve body, limit dais (4) and handle, on butterfly valve body, be provided with valve body (1), valve rod (3) and flap (6), described valve body (1) is two-piece type structure, on valve body (1), be provided with fixed hole (2), the number of fixed hole (2) can be according to the size design of actual product, two-piece type structure is passed fixed hole by bolt and is connected and fixed, it is characterized in that: described flap (6) is provided with seal ring (5) with valve body (1) contact position, seal ring is provided with stem through-hole on (5), valve rod (3) is through the upper stem through-hole arranging of seal ring (5) and the design of flap (6) integral type, limit dais is provided with fixed platform and limiting platform on (4), two platforms are in 90 °, in fixed platform, be provided with positioning hole, fixed hole (2) consistent size on positioning hole size and valve body, the number of positioning hole is two, position and upper corresponding adjacent two fixed holes (2) position consistency of valve body (1), limiting platform is bolted two spacing holes and valve body (1) is connected and fixed, on handle, be provided with main handle (7) and secondary handle, in the upper connected unit (8) arranging of main handle (7), be provided with secondary handle attachment hole (81), on secondary handle, be provided with main handle attachment hole (93), the consistent size of secondary handle attachment hole (81) and main handle attachment hole (93), both are arranged in connected unit (8) by riveting, described limiting platform designs for semicircle, on limiting platform, be provided with stem through-hole and limited impression (41), limited impression (41) is evenly distributed on semicircle, and number is designed to odd number.

2. the spacing butterfly valve of one according to claim 1, is characterized in that: the number N of described limited impression (41) design, N is more than or equal to 3.

3. the spacing butterfly valve of one according to claim 2, is characterized in that: preferably 5 of the number N of described limited impression (41) design.

4. the spacing butterfly valve of one according to claim 1, it is characterized in that: on described main handle (7), be provided with valve rod attachment hole (73), main handle snak link (72) and fastener hole (71), valve rod (3) is connected with main handle (7) by valve rod attachment hole (73), then by fastening screw is set on fastener hole (71), valve rod (3) is fixedly connected on main handle (7), on secondary handle, be provided with limit part and hold part, two-part are connected to hinged, limit part is provided with limiting stopper (91), the geomery of limiting stopper (91) is consistent with the limited impression arranging on limiting platform (41), hold and in part, be provided with secondary handle snak link (92), secondary handle is held can be partly use time and finger contact part adopts anti-skid rubber cushion (11) design, spring (10) is connected and is arranged on handle with secondary handle snak link (92) by main handle snak link (72).