CN209245429U - A kind of butterfly valve convenient to use for preventing from accidentally touching - Google Patents

Abstract

The utility model discloses a kind of butterfly valves convenient to use for preventing from accidentally touching, including valve body, fixed case, headstock, valve rod, driven gear, drive rod, driving gear, handle, limiting slot, connecting rod, first kelly, second kelly, card slot, dish plate and arc groove, fixed case is fixedly connected at the top of valve body, the inside both ends of fixed case are rotatably connected to valve rod and drive rod respectively, driven gear and driving gear have been respectively fixedly connected on the outside of valve rod and drive rod, driving gear engages connection with driven gear, headstock is fixedly connected at the top of fixed case, the top of drive rod passes through fixed case and protrudes into headstock, this butterfly valve on handle by being provided with convex block, and sliding slot is set in the top and bottom of limiting slot, pass through being slidably connected for convex block and sliding slot, convenient for controlling the rotation of handle, it to a certain extent can be compared with Good protection handle, can preferably prevent from accidentally touching causing valve by opening the case where (closing) is closed (opening).

Description

A kind of butterfly valve convenient to use for preventing from accidentally touching

Technical field

The utility model relates to butterfly valve technical field, specially a kind of butterfly valve convenient to use for preventing from accidentally touching.

Background technique

Butterfly valve is a kind of regulating valve that structure is relatively simple, and butterfly valve primarily serves the effect of cutting and throttling on pipeline, Butterfly valve can be used for the flowing of the various types fluids such as sky gas and water, steam and various resistant to corrosive media, and existing butterfly valve generally passes through It turns handwheel or realizes the cutting to medium to control the rotation of dish plate by rotational handle control valve rod rotation.

After so that dish plate is located at the circulation of valve body internal cutting off medium after rotational handle in the prior art, handle is easier to because not Pay attention to accidentally touching the circulation for leading to medium, since butterfly valve can be used for the fluid of various corrosive medias, accidentally hand-touch handle is probably made At unthinkable consequence, and the prior art does not limit the rotation of handle, and which is easy to because turning to handle The anisotropy of power and lead to the easily impaired situation of handle, for this purpose, it is proposed that it is a kind of prevent from accidentally touching it is convenient to use Butterfly valve.

Summary of the invention

The purpose of this utility model is to provide a kind of butterfly valves convenient to use for preventing from accidentally touching, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of butterfly convenient to use for preventing from accidentally touching Valve, including valve body, fixed case, headstock, valve rod, driven gear, drive rod, driving gear, handle, limiting slot, connecting rod, One kelly, the second kelly, card slot, dish plate and arc groove are fixedly connected with fixed case at the top of the valve body, the fixed case Internal both ends are rotatably connected to valve rod and drive rod respectively, have been respectively fixedly connected with driven tooth on the outside of the valve rod and drive rod Wheel and driving gear, the driving gear engage connection with driven gear, are fixedly connected with headstock at the top of the fixed case, The top of the drive rod passes through fixed case and protrudes into headstock, and one end that the drive rod is located inside headstock is fixedly connected There is handle, the outside of the headstock is equipped with limiting slot, and the end of the handle passes through limiting slot, and handle mating connection is limiting In the slot of position, the top that limiting slot is located on the outside of the headstock is symmetrically rotatably connected to connecting rod, and right between two connecting rods Title is fixedly connected there are two the second kelly, and the lower section that the headstock outside is located at limiting slot is symmetrically fixedly connected with the first card The end of bar, the connecting rod is equipped with card slot, and first kelly and the second kelly are cooperatively connected in card slot.

Preferably, the middle part of the connecting rod is equipped with arc groove, and the handle is cooperatively connected in arc groove, and arc groove Silicagel pad is equipped with the junction of handle.

Preferably, the handle is located at the socket of one end outside headstock rubber sleeve.

Preferably, sliding slot is equipped at the top and bottom of the limiting slot inner wall, the outside of the handle is symmetrically fixed to be connected It is connected to convex block, and convex block cooperation is slidably connected in sliding slot.

Preferably, the diameter of the driven gear is twice of driving gear diameter.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model is on the outside of headstock by being arranged limiting slot, can along the direction rotational handle of limiting slot, The case where souning out in the case where not knowing to which rotational handle, so handle is caused to be broken off well damage for a long time is prevented, Driving gear rotation can be controlled by rotational handle, turning for valve rod is realized by driving gear and driven gear engagement connection It is dynamic, to control the rotation of dish plate, sliding slot is set by being provided with convex block on handle, and in the top and bottom of limiting slot, Handle can be preferably protected to a certain extent by being slidably connected for convex block and sliding slot convenient for controlling the rotation of handle.

2, the utility model on the outside of headstock by being provided with connecting rod, after rotational handle opens valve body, by hand Under the connecting rod of handle one end turns, and the card slot in connecting rod is connect with the first kelly, the position where making handle be fixed on it It sets, prevents personnel from accidentally touching the case where causing valve body to be closed, when valve body, rotate backward handle, handle is made to be located at limiting slot The connection boom end at the end is turned to and is connected in the first kelly, is fixed handle, valve body is prevented to be opened by the other end, should Mode can preferably prevent from accidentally touching causing valve by opening the case where (closing) is closed (opening).

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model structure diagram；

Fig. 3 is the utility model fixed case and headstock section figure structure schematic representation；

Fig. 4 is the section figure structure schematic representation of the utility model headstock top view；

Fig. 5 is the utility model handle and headstock inner connecting structure schematic diagram.

In figure: 1, valve body；2, fixed case；3, headstock；4, valve rod；5, driven gear；6, drive rod；7, driving gear； 8, handle；9, rubber sleeve；10, convex block；11, limiting slot；12, connecting rod；13, the first kelly；14, the second kelly；15, silica gel Pad；16, card slot；17, dish plate；18, arc groove.

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.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of butterfly valve convenient to use for preventing from accidentally touching, Including valve body 1, fixed case 2, headstock 3, valve rod 4, driven gear 5, drive rod 6, driving gear 7, handle 8, limiting slot 11, connect Extension bar 12, the first kelly 13, the second kelly 14, card slot 16, dish plate 17 and arc groove 18, the top of the valve body 1 are fixedly connected There is fixed case 2, the inside both ends of the fixed case 2 are rotatably connected to valve rod 4 and drive rod 6, the valve rod 4 and drive rod respectively 6 outside has been respectively fixedly connected with driven gear 5 and driving gear 7, and the driving gear 7 engages connection, institute with driven gear 5 The top for stating fixed case 2 is fixedly connected with headstock 3, and the top of the drive rod 6 passes through fixed case 2 and protrudes into headstock 3, institute It states one end that drive rod 6 is located inside headstock 3 and is fixedly connected with handle 8, the outside of the headstock 3 is equipped with limiting slot 11, The end of the handle 8 passes through limiting slot 11, and handle 8 is cooperatively connected in limiting slot 11, and limit is located on the outside of the headstock 3 Position slot 11 top be symmetrically rotatably connected to connecting rod 12, and be symmetrically fixedly connected between two connecting rods 12 there are two second card Bar 14, the lower section that limiting slot 11 is located on the outside of the headstock 3 are symmetrically fixedly connected with the first kelly 13, the connecting rod 12 End is equipped with card slot 16, and first kelly 13 and the second kelly 14 are cooperatively connected in card slot 16.

The middle part of the connecting rod 12 is equipped with arc groove 18, and the handle 8 is cooperatively connected in arc groove 18, and arc groove 18 and the junction of handle 8 be equipped with silicagel pad 15, convenient for protection handle 8, the handle 8 is located at the end cap outside headstock 3 It is connected to rubber sleeve 9, convenient for holding the rubber sleeve 9 of 8 end of handle when rotational handle 8, plays the role of protecting hand, the limit Sliding slot is equipped at the top and bottom of 11 inner wall of slot, the outside of the handle 8 is symmetrically fixedly connected with convex block 10, and convex block 10 is matched Conjunction is slidably connected in sliding slot, convenient for the quick sliding in limiting slot 11 of handle 8, based on the diameter of the driven gear 5 Twice of 7 diameter of moving gear, convenient for controlling the revolving speed of valve rod 4.

Working principle are as follows: on the outside of headstock 3 be arranged limiting slot 11, can along the direction rotational handle 8 of limiting slot 11, Prevent from arbitrarily souning out in the case where not knowing to which rotational handle 8, so cause for a long time handle 8 be broken off or damage etc. it is tight The situation of weight can control driving gear 7 by rotational handle 8 and rotate, and pass through driving gear 7 and the engagement connection of driven gear 5 The rotation of valve rod 4 is realized, so that the rotation of dish plate 17 is controlled, by being provided with convex block 10 on handle 8, and in limiting slot 11 Sliding slot is arranged in top and bottom, by being slidably connected for convex block 10 and sliding slot, convenient for controlling the rotation of handle 8, to a certain degree On can preferably protect handle 8, by the outside of headstock 3 be provided with connecting rod 12, when rotational handle 8 make valve body 1 open Afterwards, by under 12 turns of connecting rod of 8 one end of handle, and the card slot 16 in connecting rod 12 is connect with the first kelly 13, makes 8 quilt of handle It is fixed on the position where it, prevents personnel from accidentally touching the case where causing valve body 1 to be closed, when valve body 1, rotates backward handle 8, So that handle 8 is located at the other end of limiting slot 11,12 end of connecting rod at the end is rotated and is connected as the first kelly 13, handle is made 8 are fixed, and valve body 1 is prevented to be opened.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

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 (5)

1. a kind of butterfly valve convenient to use for preventing from accidentally touching, including valve body (1), fixed case (2), headstock (3), valve rod (4), from Moving gear (5), drive rod (6), driving gear (7), handle (8), limiting slot (11), connecting rod (12), the first kelly (13), Two kellies (14), card slot (16), dish plate (17) and arc groove (18), it is characterised in that: be fixedly connected at the top of the valve body (1) Have fixed case (2), the inside both ends of the fixed case (2) are rotatably connected to valve rod (4) and drive rod (6), the valve rod respectively (4) and on the outside of drive rod (6) be respectively fixedly connected with driven gear (5) and driving gear (7), the driving gear (7) with Driven gear (5) engagement connects, and is fixedly connected with headstock (3) at the top of the fixed case (2), the top of the drive rod (6) Portion passes through fixed case (2) and protrudes into headstock (3), and the drive rod (6) is located at the internal one end of headstock (3) and is fixedly connected with The outside of handle (8), the headstock (3) is equipped with limiting slot (11), and the end of the handle (8) passes through limiting slot (11), and Handle (8) is cooperatively connected in the limiting slot (11), and the top of limiting slot (11) the symmetrically company of rotation is located on the outside of the headstock (3) It is connected to connecting rod (12), and is symmetrically fixedly connected between two connecting rods (12) there are two the second kelly (14), the headstock (3) lower section that outside is located at limiting slot (11) is symmetrically fixedly connected with the first kelly (13), and the end of the connecting rod (12) is set Have card slot (16), first kelly (13) and the second kelly (14) are cooperatively connected in card slot (16).

2. a kind of butterfly valve convenient to use for preventing from accidentally touching according to claim 1, it is characterised in that: the connecting rod (12) middle part is equipped with arc groove (18), and the handle (8) is cooperatively connected in arc groove (18), and arc groove (18) and handle (8) junction is equipped with silicagel pad (15).

3. a kind of butterfly valve convenient to use for preventing from accidentally touching according to claim 1, it is characterised in that: the handle (8) One end external positioned at headstock (3) is socketed rubber sleeve (9).

4. a kind of butterfly valve convenient to use for preventing from accidentally touching according to claim 1, it is characterised in that: the limiting slot (11) sliding slot is equipped at the top and bottom of inner wall, the outside of the handle (8) is symmetrically fixedly connected with convex block (10), and convex block (10) cooperation is slidably connected in sliding slot.

5. a kind of butterfly valve convenient to use for preventing from accidentally touching according to claim 1, it is characterised in that: the driven gear (5) diameter is twice of driving gear (7) diameter.