CN210240728U

CN210240728U - Electric explosion-proof hard seal adjusting butterfly valve

Info

Publication number: CN210240728U
Application number: CN201921130831.5U
Authority: CN
Inventors: Yang Liu; 刘洋
Original assignee: Tangguan Valve Co ltd
Current assignee: Tangguan Valve Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-03
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an electronic explosion-proof hard seal adjusts butterfly valve relates to control butterfly valve technical field, mainly relies on motor control drive to current electric butterfly valve, if circuit trouble then leads to the problem of the unable normal switching of butterfly valve easily, the scheme is presented now, including the valve body, the fixed case is installed at the top of valve body, the top inner wall fixedly connected with output shaft of fixed case driving motor down, the terminal welding of driving motor's output shaft has the first pivot of setting up along vertical direction, the fixed cover in outer lane of first pivot is equipped with first gear, one side of first gear is equipped with the second pivot of being connected with the rotation of fixed bottom of the case inner wall, the fixed cover in outer lane of second pivot is equipped with the second gear, and second gear and first gear engagement transmission. The utility model discloses a set up extra manual drive subassembly to avoid the unable control valve rod of circuit trouble to rotate, can guarantee the normal switching of valve like this.

Description

Electric explosion-proof hard seal adjusting butterfly valve

Technical Field

The utility model relates to a control butterfly valve technical field especially relates to an electronic explosion-proof hard seal adjusts butterfly valve.

Background

The electric explosion-proof butterfly valve adopts a top-mounted structure, reduces connecting bolts of the valve body under the conditions of high pressure and large caliber, enhances the reliability of the valve and can overcome the influence of the dead weight of the system on the normal work of the valve. The existing electric explosion-proof butterfly valve is mainly controlled to rotate through a motor when a control valve is opened and closed, however, if a circuit breaks down, the motor cannot work normally, so that the butterfly valve cannot be opened and closed normally, and normal fluid of the fluid is influenced.

Disclosure of Invention

The utility model provides a pair of butterfly valve is adjusted in electronic explosion-proof hard seal has solved current electric butterfly valve and has mainly relied on the motor control drive, if circuit trouble then lead to the problem of the unable normal switching of butterfly valve easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric explosion-proof hard seal adjusting butterfly valve comprises a valve body, wherein a fixed box is installed at the top of the valve body, the top inner wall of the fixed box is fixedly connected with a driving motor with an output shaft facing downwards, the tail end of the output shaft of the driving motor is welded with a first rotating shaft arranged along the vertical direction, the outer ring of the first rotating shaft is fixedly sleeved with a first gear, one side of the first gear is provided with a second rotating shaft rotationally connected with the inner wall of the bottom of the fixed box, the outer ring of the second rotating shaft is fixedly sleeved with a second gear, the second gear is in meshing transmission with the first gear, the top end of the second rotating shaft is welded with a fixture block, a rotating rod penetrating through the top box wall of the fixed box is arranged above the fixture block, the bottom end of the rotating rod is welded with an inserting block, the outer ring of the inserting block is fixedly sleeved with a first bearing, and, the inside movable sleeve of fly leaf is equipped with the guide bar that sets up along vertical direction, and the top of guide bar and the welding of the top inner wall of fixed case, the top of fly leaf is connected with the cover and establishes the spring at the guide bar outer lane, and the top and the fixed case of spring are connected.

Preferably, the bottom of the insertion block is provided with an insertion groove, and the cross sections of the fixture block and the insertion groove are both of a cross structure.

Preferably, the bottom of first pivot and the valve rod fixed connection on the valve body, the fixed cover in bottom of second pivot is equipped with the second bearing, and the bottom inner wall welding of second bearing and fixed case.

Preferably, the top tank wall of the fixed tank is provided with a connecting hole, the rotating rod penetrates through the connecting hole, and the handle is welded at the top end of the rotating rod.

Preferably, the movable plate is provided with a guide hole, and the guide rod penetrates through the guide hole.

Preferably, the driving motor is connected with the fixed box through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a through installing driving motor, first pivot, second pivot, first gear, second gear, the fixture block, the piece of pegging graft, the dwang, first bearing, the fly leaf, guide bar and spring etc. result, wherein driving motor can drive first pivot to rotate, and first pivot can drive first gear and valve rod rotation, the valve rod rotation can control the switching of valve, and first gear rotation can drive second gear and second pivot rotation, when driving motor can't normally work, manual pressure moves dwang and the piece of pegging graft and moves down, thereby make the piece of pegging graft insert the fixture block, and then drive the dwang and rotate, the dwang drives the second pivot through the fixture block and rotates, the second pivot again drives the second gear rotation, the second gear again drives the first gear rotation that meshes with it, and first gear rotation can drive the switching of valve rod rotation control valve, the device is novel in design, and easy operation through setting up extra manual drive subassembly to avoid circuit trouble unable control valve rod to rotate, can guarantee the normal switching of valve like this.

Drawings

Fig. 1 is a schematic front view of an electric explosion-proof hard seal adjusting butterfly valve provided by the utility model;

fig. 2 is the utility model provides a structural schematic diagram is overlooked to fixed fixture block of electronic explosion-proof hard seal regulation butterfly valve.

In the figure: the valve comprises a valve body 1, a fixed box 2, a driving motor 3, a first rotating shaft 4, a first gear 5, a second rotating shaft 6, a second gear 7, a clamping block 8, a rotating rod 9, an inserting block 10, a first bearing 11, a movable plate 12, a guide rod 13 and a spring 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an electric explosion-proof hard seal adjusting butterfly valve comprises a valve body 1, a fixed box 2 is installed at the top of the valve body 1, a driving motor 3 with a downward output shaft is fixedly connected to the inner wall of the top of the fixed box 2, a first rotating shaft 4 arranged in the vertical direction is welded at the tail end of the output shaft of the driving motor 3, a first gear 5 is fixedly sleeved on the outer ring of the first rotating shaft 4, a second rotating shaft 6 rotatably connected with the inner wall of the bottom of the fixed box 2 is arranged on one side of the first gear 5, a second gear 7 is fixedly sleeved on the outer ring of the second rotating shaft 6, the second gear 7 is in meshing transmission with the first gear 5, a clamping block 8 is welded at the top end of the second rotating shaft 6, a rotating rod 9 penetrating through the wall of the top of the fixed box 2 is arranged above the clamping block 8, an inserting block 10 is welded at the bottom end of the rotating rod 9, a first bearing 11, the inside movable sleeve of fly leaf 12 is equipped with guide bar 13 along the vertical direction setting, and the top of guide bar 13 and the top inner wall welding of fixed case 2, the top of fly leaf 12 is connected with the cover and establishes the spring 14 in guide bar 13 outer lane, and the top and the fixed case 2 of spring 14 are connected, can elongate spring 14 when dwang 9 moves down, consequently, after dwang 9 moves down and rotates, loosen the hand then can make dwang 9 and plug-in block 10 shift up again and resume the normal position under spring 14's pulling force, convenient next manual drive.

The inserting groove has been seted up to the bottom of inserting piece 10, the cross section of fixture block 8 and inserting groove is the cruciform structure, make things convenient for inserting piece 10 and fixture block 8 to cooperate like this, valve rod fixed connection on the bottom of first pivot 4 and the valve body 1, the fixed cover in bottom of second pivot 6 is equipped with the second bearing, and the bottom inner wall welding of second bearing and fixed case 2, the connecting hole has been seted up to the top tank wall of fixed case 2, and dwang 9 through connection hole, the top welding of dwang 9 has the handle, the guiding hole has been seted up on fly leaf 12, and guide bar 13 runs through the guiding hole, the guiding hole is convenient for dwang 9 and inserting piece 10 to move about guide bar 13 along, driving motor 3 passes through bolted connection with fixed case 2, the dismouting is conveniently carried out.

Firstly, the driving motor 3 can drive the first rotating shaft 4 to rotate, the first rotating shaft 4 can drive the first gear 5 and the valve rod to rotate, the valve rod can control the opening and closing of the valve when rotating, the first gear 5 can drive the second gear 7 and the second rotating shaft 6 to rotate when rotating, when the driving motor 3 can not work normally, the rotating rod 9 and the inserting block 10 are pressed manually to move downwards, so that the inserting block 10 is sleeved on the clamping block 8, then the rotating rod 9 is driven to rotate, the rotating rod 9 drives the second rotating shaft 6 to rotate through the clamping block 8, the second rotating shaft 6 drives the second gear 7 to rotate, the second gear 7 drives the first gear 5 engaged with the second gear to rotate, the first gear 5 can drive the first rotating shaft 4 and the valve rod to rotate to control the opening and closing of the valve, through arranging an additional manual driving component, thereby avoiding the circuit fault that the valve rod can not be controlled to rotate, thus, the normal opening and closing of the valve can be ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electronic explosion-proof sealed regulation butterfly valve firmly, includes valve body (1), its characterized in that, fixed case (2) are installed at the top of valve body (1), the top inner wall fixedly connected with output shaft of fixed case (2) driving motor (3) down, the end welding of the output shaft of driving motor (3) has first pivot (4) of setting along vertical direction, the fixed cover in outer lane of first pivot (4) is equipped with first gear (5), one side of first gear (5) is equipped with second pivot (6) of being connected with fixed case (2) bottom inner wall rotation, the fixed cover in outer lane of second pivot (6) is equipped with second gear (7), and second gear (7) and first gear (5) meshing transmission, the top welding of second pivot (6) has fixture block (8), the top of fixture block (8) is equipped with tank wall (9) that run through fixed case (2) top, the bottom welding of dwang (9) has plug block (10), the fixed cover in outer lane of plug block (10) is equipped with first bearing (11), one side welding that driving motor (3) were kept away from in first bearing (11) has fly leaf (12), the inside movable sleeve of fly leaf (12) is equipped with guide bar (13) along the setting of vertical direction, and the top of guide bar (13) and the top inner wall welding of fixed case (2), the top of fly leaf (12) is connected with spring (14) that the cover was established at guide bar (13) outer lane, and the top of spring (14) is connected with fixed case (2).

2. An electric explosion-proof hard seal adjusting butterfly valve according to claim 1, characterized in that the bottom of the insertion block (10) is provided with an insertion groove, and the cross sections of the insertion block (8) and the insertion groove are both cross-shaped structures.

3. An electric explosion-proof hard seal adjusting butterfly valve according to claim 1, characterized in that the bottom end of the first rotating shaft (4) is fixedly connected with the valve rod on the valve body (1), the bottom end of the second rotating shaft (6) is fixedly sleeved with a second bearing, and the second bearing is welded with the inner wall of the bottom of the fixed box (2).

4. An electric explosion-proof hard seal adjusting butterfly valve according to claim 1, characterized in that the top box wall of the fixed box (2) is provided with a connecting hole, the rotating rod (9) penetrates through the connecting hole, and the top end of the rotating rod (9) is welded with a handle.

5. An electric explosion-proof hard seal adjusting butterfly valve according to claim 1, characterized in that the movable plate (12) is provided with a guide hole, and the guide rod (13) penetrates through the guide hole.

6. An electric explosion-proof hard seal adjusting butterfly valve according to claim 1, characterized in that the driving motor (3) is connected with the fixed box (2) through bolts.