CN210637529U

CN210637529U - Strengthen butterfly valve of locking

Info

Publication number: CN210637529U
Application number: CN201921335943.4U
Authority: CN
Inventors: 张小杰; 尚丙帅; 刘伟杰
Original assignee: HENAN YIHE VALVE CO Ltd
Current assignee: HENAN YIHE VALVE CO Ltd
Priority date: 2019-08-17
Filing date: 2019-08-17
Publication date: 2020-05-29
Anticipated expiration: 2029-08-17

Abstract

The utility model relates to a butterfly valve for reinforcing locking, which comprises a valve body, a valve shaft and a butterfly plate, wherein the valve shaft is arranged in the valve body in a rotating way, the valve shaft is fixedly connected with the butterfly plate, an actuator is arranged on the valve body, the butterfly plate is fixedly provided with a fixed plate at one end corresponding to the valve shaft, the upper end of the fixed plate is positioned in the valve body, the valve body is provided with a chute at the position corresponding to the fixed plate, a fastening ring is connected in the chute in a sliding way, and the valve shaft passes through the fastening ring and is connected to; the valve body bilateral symmetry is provided with the column spinner, be provided with the screw thread section on the column spinner, threaded connection has the connecting block on the screw thread section of column spinner, connecting block and tighrening ring fixed connection. The utility model discloses can strengthen the fastening locking to the butterfly plate, prevent that butterfly plate, valve shaft from rotating.

Description

Strengthen butterfly valve of locking

Technical Field

The utility model relates to the technical field of valves, concretely relates to strengthen butterfly valve of locking.

Background

A butterfly valve, also called as a flap valve, is a valve which is opened and closed by a closing member (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft, and is mainly used for cutting and throttling on a pipeline. However, when the butterfly valve is used, the butterfly plate is subjected to pressure and washing of flowing media in the pipeline, a hand wheel of the butterfly valve is easy to lose control, the butterfly plate rotates, and therefore the opening is enlarged, and even serious consequences are brought.

Disclosure of Invention

The utility model discloses a solve the easy rotatory problem of butterfly plate of butterfly valve, provide a butterfly valve of strengthening the locking, can strengthen the fastening locking to the butterfly plate, prevent that butterfly plate, valve shaft from rotating.

In order to realize the purpose, the technical scheme of the utility model is that:

a butterfly valve for reinforcing locking comprises a valve body, a valve shaft and a butterfly plate, wherein the valve shaft is rotationally arranged in the valve body and fixedly connected with the butterfly plate, an actuator is arranged on the valve body, a fixing plate is fixedly arranged at one end of the butterfly plate corresponding to the valve shaft, the upper end of the fixing plate is positioned in the valve body, a fastening ring is connected to the position of the valve body corresponding to the fixing plate in a sliding mode, and the valve shaft penetrates through the fastening ring and is connected to the actuator in a transmission mode; the valve body bilateral symmetry is provided with the column spinner, be provided with the screw thread section on the column spinner, threaded connection has the connecting block on the screw thread section of column spinner, connecting block and tighrening ring fixed connection.

Furthermore, the fixed plate is of a circular structure, a wear-resistant layer is arranged on the fixed plate, and raised transverse stripes are arranged on the upper end face of the wear-resistant layer.

Furthermore, the valve body is provided with a plurality of sliding rods in an annular array at the upper end by taking the axis of the valve shaft as a center, holes are formed in the fastening ring corresponding to the sliding rods, the sliding rods are correspondingly arranged in the holes of the fastening ring, a plurality of convex blocks are uniformly arranged on the lower end face of the fastening ring, and the convex blocks are regular hexagons.

Further, the valve body upper end is provided with the motor, the output transmission of motor is connected with first gear, first gear revolve sets up on the valve body, be provided with the second gear on the column spinner, the valve body corresponds two column spinner departments sliding connection have with the rack of second gear engaged with, rack and first gear engagement.

Furthermore, the thickness of the butterfly plate is gradually reduced towards two sides by taking the valve shaft as a center, and a sealing ring is arranged on the arc-shaped end face of the butterfly plate.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a be provided with the fixed plate on the butterfly plate, correspond on the fixed plate and be provided with the tighrening ring, drive first gear rotation, rack sideslip through the motor to it is rotatory to drive second gear, column spinner, so that the tighrening ring reciprocates, after needs butterfly plate angle modulation, the accessible tighrening ring moves down the frictional force between increase tighrening ring and the fixed plate, in order to prevent that the butterfly plate is rotatory, strengthens the locking to the butterfly plate. Be provided with the wearing layer on the fixed plate, the up end of wearing layer is provided with bellied horizontal stripe, and the lower terminal surface of tighrening ring evenly is provided with a plurality of lug, the lug is regular hexagon to increase the frictional force of tighrening ring and fixed plate when the contact, and the setting of horizontal stripe prevents further that the fixed plate is rotatory, prevents that the butterfly plate is rotatory promptly, strengthens fastening effect, improves the accuracy and the security of opening of butterfly valve.

Drawings

Fig. 1 is one of the schematic structural diagrams of a butterfly valve for reinforcing locking according to the present invention;

fig. 2 is a second schematic structural diagram of a butterfly valve with reinforced locking according to the present invention;

fig. 3 is a schematic top view of the bearing chamber of the butterfly valve with enhanced locking according to the present invention;

FIG. 4 is a schematic cross-sectional view of a fixing plate and a fastening ring of the butterfly valve with enhanced locking according to the present invention;

fig. 5 is a schematic structural view of a fastening ring of the butterfly valve for reinforcing the locking of the present invention.

The reference numbers in the drawings are as follows: the valve comprises a valve body 1, a bearing cavity 101, a valve shaft 2, a butterfly plate 3, a fixing plate 4, a wear-resistant layer 401, a fastening ring 5, a lug 501, a rotary column 6, a connecting block 7, a sliding rod 8, a second gear 9, a rack 10, a first gear 11 and a sealing ring 12.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

in the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, a butterfly valve with enhanced locking includes a valve body 1, a valve shaft 2 and a butterfly plate 3, the valve shaft 2 is rotatably disposed in the valve body 1, the valve shaft 2 is fixedly connected to the butterfly plate 3, an actuator is disposed on the valve body 1, a fixing plate 4 is fixedly disposed at one end of the butterfly plate 3 corresponding to the valve shaft 2, an upper end of the fixing plate 4 is located inside the valve body 1, a fastening ring 5 is slidably connected to the valve body 1 at a position corresponding to the fixing plate 4, the valve shaft 2 penetrates through the fastening ring 5 to be connected to the actuator, and specifically, the actuator may be a hand wheel or a gear motor box; the 1 bilateral symmetry of valve body is provided with the column spinner 6, be provided with the screw thread section on the column spinner 6, threaded connection has connecting block 7 on the screw thread section of column spinner 6, connecting

block

7 and 5 fixed connection of tighrening ring, it is specific, the upper end of valve body 1 is provided with bearing cavity 101, and bearing cavity 101 is located between two connection valve plates of valve body 1, and bearing cavity 101 is the rectangle structure, and the middle part of bearing cavity 101 passes valve shaft 2, and the left and right sides symmetry of bearing cavity 101 sets up column spinner 6.

The fixing plate 4 is of a circular structure, a wear-resistant layer 401 is arranged on the fixing plate 4, and raised transverse stripes are arranged on the upper end face of the wear-resistant layer 401. The valve body 1 is provided with a plurality of slide bars 8 in the bearing cavity 101 in an annular array, the axes of the plurality of slide bars 8 in the annular array are the same as the axis of the valve shaft 2, a hole is formed in the fastening ring 5 corresponding to the slide bar 8, the slide bar 8 is correspondingly arranged in the hole of the fastening ring 5, a plurality of convex blocks 501 are uniformly arranged on the lower end face of the fastening ring 5, and the convex blocks 501 are regular hexagons. When the lower end face of the fastener 5 contacts with the upper end face of the fixing plate 4, the arrangement of the transverse stripes and the bumps increases the contact friction force.

The upper end of the valve body 1 is provided with a motor, specifically, the motor is arranged at the upper end of the bearing chamber 101, in this embodiment, the motor can adopt a universal servo motor with the model number of 60ST-M00630, the output end of the motor is connected with a first gear 11 in a transmission manner, the first gear 11 is rotatably arranged on the bearing chamber 101, the rotary columns 6 are provided with second gears 9, the valve body 1 is connected with racks 10 meshed with the second gears 9 at positions corresponding to the two rotary columns 6 in a sliding manner, specifically, both sides of the racks 10 are provided with teeth, the bearing chamber 101 is provided with two raised platforms corresponding to the two rotary columns 6 from top to bottom, the platforms are provided with T-shaped sliding rails, the upper and lower ends of the racks 10 are provided with sliding grooves matched with the sliding rails, the racks 10 are sleeved on the sliding rails, the racks 10 are meshed with the second gears 9, the second gear 9 and the first gear 11 are respectively positioned at two sides of the rack 10. When the motor is rotated, the first gear 11 is driven to rotate so as to drive the rack 10 to slide, the second gear 9 and the rotary column 6 are driven to rotate, the rotary column 6 rotates to drive the connecting block 7 to move up and down, and then the fastening ring 5 is driven to slide up and down along the slide rod 8.

When using the valve, after adjusting the angle of butterfly plate 3, through the motor operation, drive fastener 5 and remove downwards, be close to and form the extrusion force to fixed plate 4 with the contact of fixed plate 4, frictional force when lug 501 and the horizontal stripe increase contact on wearing layer 401 simultaneously prevents that fixed plate 4 from rotatory, then prevents that valve shaft 2, butterfly plate 3 from rotatory, improves the accuracy and the security of opening of butterfly valve.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. A butterfly valve for strengthening locking comprises a valve body (1), a valve shaft (2) and a butterfly plate (3), wherein the valve shaft (2) is arranged in the valve body (1) in a rotating mode, the valve shaft (2) is fixedly connected with the butterfly plate (3), and the butterfly valve is characterized in that an actuator is arranged on the valve body (1), a fixing plate (4) is fixedly arranged at one end, corresponding to the valve shaft (2), of the butterfly plate (3), the upper end of the fixing plate (4) is located inside the valve body (1), a fastening ring (5) is connected to the position, corresponding to the fixing plate (4), of the valve body (1) in a sliding mode, and the valve shaft (2) penetrates through the fastening ring (5) and is connected to the actuator;

the valve body (1) bilateral symmetry is provided with column spinner (6), be provided with the screw thread section on column spinner (6), threaded connection has connecting block (7) on the screw thread section of column spinner (6), connecting block (7) and tighrening ring (5) fixed connection.

2. A butterfly valve with enhanced locking according to claim 1, wherein the fixing plate (4) is of a circular structure, a wear-resistant layer (401) is disposed on the fixing plate (4), and the upper end surface of the wear-resistant layer (401) is provided with raised transverse stripes.

3. A butterfly valve with reinforced locking according to claim 2, wherein the valve body (1) has a plurality of sliding rods (8) arranged in an annular array at the upper end around the axis of the valve shaft (2), the fastening ring (5) has holes corresponding to the sliding rods (8), the sliding rods (8) are correspondingly arranged in the holes of the fastening ring (5), the fastening ring (5) has a plurality of lugs (501) uniformly arranged on the lower end surface, and the lugs (501) are regular hexagons.

4. A butterfly valve with reinforced locking according to claim 1, characterized in that a motor is arranged at the upper end of the valve body (1), a first gear (11) is connected to the output end of the motor in a transmission manner, the first gear (11) is rotatably arranged on the valve body (1), a second gear (9) is arranged on the rotary columns (6), a rack (10) meshed with the second gear (9) is slidably connected to the valve body (1) at the position corresponding to two rotary columns (6), and the rack (10) is meshed with the first gear (11).

5. A butterfly valve with enhanced locking according to claim 1, wherein the thickness of the butterfly plate (3) is gradually reduced towards both sides around the valve shaft (2), and the arc-shaped end surface of the butterfly plate (3) is provided with a sealing ring (12).