CN216045501U - Butt clamp type handle butterfly valve - Google Patents

Abstract

The utility model belongs to the technical field of the valve body and specifically relates to a wafer formula handle butterfly valve is related to, and it includes valve body and valve rod, the valve rod is worn to establish on the valve body, the valve body outside is provided with the piece of gripping of being connected with the valve rod, be provided with between piece of gripping and the valve body and be used for restricting the spacing subassembly of piece pivoted of gripping, spacing subassembly include fixed fluted disc and with fixed fluted disc complex stopper, fixed fluted disc sets up on the valve body, it is provided with the control that is used for installing the stopper to rotate on the piece of gripping. This application accuracy when adjusting butterfly valve flow value is higher.

Description

Butt clamp type handle butterfly valve

Technical Field

The application relates to the field of valve bodies, in particular to a butterfly valve with a wafer type handle.

Background

The butterfly valve is a valve body for controlling the medium switch of a low-pressure pipeline, the opening and closing piece of the butterfly valve is a disc-shaped butterfly plate and rotates around the axis of a valve rod in the valve body, so that the opening and closing or adjusting purpose is achieved, and the common butterfly valves are divided into a wafer type butterfly valve and a flange type butterfly valve.

Disclosed in the correlation technique is a wafer butterfly valve, it includes valve body, valve rod, butterfly plate and handle, the valve rod both ends are connected with handle and butterfly plate respectively, and the butterfly plate is installed in the diameter direction of pipeline, and the user passes through the rotatable valve rod of handle to it is rotatory around the axis of valve rod to drive the butterfly plate, and rotation angle is between 0 degree to 90 degrees, thereby adjusts the flow of this butterfly valve.

In view of the above-described related art, the inventors consider that the following drawbacks exist: when a user rotates the butterfly plate through the handle, the rotation angle of the butterfly plate cannot be accurately controlled, and therefore the flow of the butterfly valve cannot be accurately adjusted.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy when user of service adjusts butterfly valve flow, this application provides a wafer-type handle butterfly valve.

The application provides a butt clamp formula handle butterfly valve adopts following technical scheme:

the utility model provides a wafer formula handle butterfly valve, includes valve body and valve rod, the valve rod is worn to establish on the valve body, the valve body outside is provided with the piece of gripping of being connected with the valve rod, it is used for restricting the spacing subassembly of a pivoted to grip to be provided with between piece and the valve body to grip, spacing subassembly include fixed fluted disc and with fixed fluted disc complex stopper, fixed fluted disc sets up on the valve body, it is provided with the control that is used for installing the stopper to rotate on the piece to grip.

Through adopting above-mentioned technical scheme, rotate the control so that stopper and fixed fluted disc break away from, the user rotatable gripping member is in order to adjust the turned angle of butterfly plate to adjust the butterfly valve flow, with the butterfly valve flow regulation to specific numerical value after, rotate the control so that stopper and fixed fluted disc cooperation, with the rotation of injecing the gripping member, fix the butterfly plate in specific position, it is more accurate to the flow value regulation of butterfly valve.

Optionally, a plurality of external teeth are arranged on the outer side of the fixed gear at intervals, and a limiting groove for accommodating the limiting block is formed between two adjacent external teeth.

Through adopting above-mentioned technical scheme, a plurality of external teeth form a plurality of spacing grooves, but for the stopper provides a plurality of joint positions to make the position that the gripping member can fix in rotatable region more, the butterfly valve has a plurality of adjustable flow value, and it is more convenient to use.

Optionally, the limiting groove is gradually enlarged in the direction away from the fixed gear.

Through adopting above-mentioned technical scheme, through setting up the spacing groove into the toper to stopper and spacing groove joint.

Optionally, the position of the limiting block close to the side wall of the limiting groove is provided with an anti-slip plate, and the anti-slip plate is tightly attached to the side wall of the limiting groove.

Through adopting above-mentioned technical scheme, the antiskid ribbed tile makes the stopper closely inlay and establishes at the spacing inslot, and the stopper is more stable at the spacing inslot to when making this butterfly valve normal use, the flow of butterfly valve is comparatively stable.

Optionally, an elastic element for enabling the control element to drive the limiting block to rotate towards the limiting groove is arranged between the control element and the holding element.

Through adopting above-mentioned technical scheme, under the effect of elastic component, the stopper has the trend with the spacing groove joint all the time, when the flow value of needs to the butterfly valve is adjusted, and the user holds the control so that the stopper breaks away from the spacing groove and can rotate the butterfly plate through the gripping member, rotates the gripping member to the specific position after, loosens the control, and the control can drive the stopper and automatic the card is gone into in the spacing groove to inject the rotation of gripping member.

Optionally, a connecting assembly for connecting the control member and the holding member is arranged between the control member and the holding member.

Through adopting above-mentioned technical scheme, it is comparatively hard to rotate when the valve rod, perhaps need adjust the flow of butterfly valve many times in succession when confirming suitable flow value, and the user needs hold the control for a long time, and is comparatively troublesome, through setting up coupling assembling, can overcome the elastic force effect of elastic component, links together control and gripping piece, treats that the flow value of butterfly valve is adjusted to final position, separates control and gripping piece again, and the operation is more laborsaving.

Optionally, coupling assembling includes that connecting cylinder and screw thread wear to establish the connecting rod in the connecting cylinder, the connecting cylinder sets up on the piece of gripping, be provided with on the control with connecting rod threaded connection's connecting hole.

Through adopting above-mentioned technical scheme, rotate the control so that stopper and spacing groove break away from, connecting hole and connecting rod align afterwards, rotate the connecting rod and make the connecting rod move to the direction of connecting hole, the connecting rod screw thread penetrates in the connecting hole, can link together control and a gripping member.

Optionally, a force application part is sleeved on the connecting rod, a sliding groove is formed in the connecting rod along the length direction of the connecting rod, and a sliding block in sliding connection with the sliding groove is arranged on the force application part.

Through adopting above-mentioned technical scheme, because the slider slides to inlay and establishes in the spout, rotate the application of force piece and can drive the connecting rod and rotate to make connecting rod and connecting hole cooperation or break away from, it is more convenient to operate.

Drawings

Fig. 1 is an overall structure schematic diagram of the embodiment of the present application (the limiting block and the limiting groove are in a clamping state).

Fig. 2 is a schematic view of a partial structure of a stopper and a fluted disc in an embodiment of the present application.

Fig. 3 is an overall structure schematic diagram (the limiting block and the limiting groove are in a disengaged state) of the embodiment of the application.

Fig. 4 is an enlarged schematic view at a in fig. 3.

Reference numerals: 1. a valve body; 11. a valve stem; 12. a mounting seat; 2. a grip; 21. a grip portion; 211. accommodating grooves; 22. an installation part; 3. a limiting component; 31. fixing a gear disc; 311. an outer tooth; 312. a limiting groove; 32. a limiting block; 321. an anti-skid plate; 4. a control member; 41. a rotating part; 42. a force application part; 421. connecting holes; 43. a step; 5. an elastic member; 51. mounting a column; 6. a connecting assembly; 61. a connecting cylinder; 62. a connecting rod; 621. a chute; 63. a force application member; 64. a slide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses opposite-clamping type handle butterfly valve. Referring to fig. 1, the butterfly valve with a wafer-type handle comprises a valve body 1, a butterfly plate, a valve rod 11 and a holding piece 2, wherein the butterfly plate can be controlled to rotate by rotating the holding piece 2 so as to adjust the flow rate of the butterfly valve; be provided with spacing subassembly 3 between grip 2 and the valve body 1, the position of grip 2 can be injectd to spacing subassembly 3 to the accurate flow of adjusting this butterfly valve of user of being convenient for.

Referring to fig. 1, an installation seat 12 is fixed on the outer side of a valve body 1, the installation seat 12 is cylindrical, the axis of the installation seat 12 is perpendicular to the axis of a butterfly plate, and a valve rod 11 is coaxially and rotatably installed on the installation seat 12 in a penetrating mode. The holding piece 2 comprises a holding part 21 and a mounting part 22 which are integrally arranged, the mounting part 22 is of a rotary shell structure and is coaxially arranged with the valve rod 11, one end surface of the mounting part 22, which is far away from the valve body 1, is in a closed state, and the mounting part 22 is covered and fixedly mounted on the valve rod 11; the holding portion 21 extends outwards along the radial direction of the mounting portion 22, the holding portion 21 is of a thin-wall structure, one side of the holding portion 21 close to the valve body 1 is in an open state, a containing groove 211 is formed, the side of the holding portion 21 far away from the valve body 1 is in a closed state, and the side is flush with the end face of the mounting portion 22 in the closed state.

Referring to fig. 1 and 2, the limiting component 3 includes a fixed gear disc 31 and a limiting block 32, the fixed gear disc 31 is disc-shaped and coaxially fixed on the mounting base 12, and the fixed gear disc 31 is located at one end of the mounting portion 22 close to the valve body 1; the outer circumferential surface of the fixed gear disc 31 is integrally provided with a plurality of outer teeth 311, and the butterfly valve can be opened and closed only by rotating the butterfly plate by 0 to 90 degrees, so the outer teeth 311 are uniformly arranged in a quarter of the outer circumferential surface of the fixed gear disc 31 at intervals along the circumferential direction of the fixed gear disc 31; the outer teeth 311 are isosceles trapezoid-shaped along the axial cross section of the fixed gear 31, a limiting groove 312 is formed between two adjacent outer teeth 311, two side surfaces forming the limiting groove 312 are far away from each other along the direction far away from the fixed gear 31, so that the limiting block 32 is clamped with the limiting groove 312.

Referring to fig. 1 and 2, a control member 4 is arranged in the accommodating groove 211 of the holding portion 21, the control member 4 includes a rotating portion 41 and a force application portion 42 which are integrally arranged, the rotating portion 41 is rotatably installed in the accommodating groove 211 through a pin shaft, the force application portion 42 and the rotating portion 41 are arranged at an angle and extend along the length direction of the holding portion 21, and the shape of the force application portion 42 is matched with the shape of the holding portion 21. The limiting block 32 is in a quadrangular prism shape, the bottom surface of the quadrangular prism is in an isosceles trapezoid shape, and two side surfaces of the limiting block 32 which are arranged at an angle are respectively close to two side walls of the limiting groove 312 and are matched with the inclination angles of the two side walls of the limiting groove 312; the side fixedly connected with rectangular block that the spacing piece 32 kept away from spacing groove 312, the spacing piece 32 is installed on the side that self rotation center is kept away from to rotation portion 41 through the rectangular block, rotates control piece 4 and can control spacing piece 32 and spacing groove 312 joint or break away from to inject the rotation of gripping member 2, with the turned angle of injecing the butterfly plate.

Referring to fig. 1 and 2, a side wall of the receiving groove 211, which is away from the control member 4, is a bottom wall of the receiving groove 211, and a step 43 is disposed at a position of the control member 4, which is close to the bottom wall of the receiving groove 211; an elastic piece 5 is arranged between the step 43 and the bottom wall of the accommodating groove 211, the elastic piece 5 is positioned on one side, away from the mounting part 22, of the rotating pin shaft of the rotating part 41, in the embodiment, the elastic piece 5 is a spring, the mounting columns 51 are fixed on the step 43 and the bottom wall of the accommodating groove 211, the mounting columns 51 are cylindrical, and two ends of the spring are respectively mounted on the bottom wall of the accommodating groove 211 and the step 43 through the mounting columns 51; the spring is in a compressed state, that is, under the action of the spring, the force application portion 42 always tends to rotate in a direction away from the holding portion 21, so that the stopper 32 always tends to be inserted into the stopper groove 312.

Referring to fig. 1 and 2, for making the position of stopper 32 in spacing groove 312 more stable, be provided with two antiskid ribbed tile 321 on stopper 32, antiskid ribbed tile 321 is rectangular plate-like, and fix on stopper 32 with sticky mode, two antiskid ribbed tile 321 set up respectively on stopper 32 is close to two sides of spacing groove 312 lateral wall, antiskid ribbed tile 321 adopts rubber material in this embodiment, antiskid ribbed tile 321 closely laminates with spacing groove 312 lateral wall, thereby reduce the possibility that stopper 32 rocked in spacing groove 312, so that the position of butterfly plate is more firm.

Referring to fig. 3 and 4, when the flow value required for the butterfly valve cannot be determined, a user needs to rotate the grip 2 multiple times to determine the final flow value of the butterfly valve, and in order to make the user more labor-saving when rotating the grip 2 multiple times, a connection assembly 6 is provided between the grip 21 and the force application part 42. The connecting assembly 6 is arranged on one side of the elastic element 5, which is far away from the mounting part 22, the connecting assembly 6 comprises a connecting cylinder 61, a connecting rod 62 and a force application element 63, the connecting cylinder 61 is in a cylindrical shape, the axis of the connecting cylinder is vertical to the bottom wall of the accommodating groove 211, and the connecting cylinder 61 is fixedly connected to the bottom wall of the accommodating groove 211; the connecting rod 62 is in a cylindrical rod shape, an internal thread is arranged on the inner side wall of the connecting cylinder 61, an external thread is arranged on the outer side wall of the connecting rod 62, and the connecting rod 62 penetrates into the connecting cylinder 61 through a thread at one end of the connecting cylinder 61 far away from the bottom wall of the accommodating groove 211; the one side that application of force portion 42 is close to the holding tank 211 diapire has seted up connecting hole 421, and connecting hole 421 is the screw thread blind hole, and the screw thread of connecting hole 421 and the screw thread fit of connecting rod 62, in connecting rod 62 screw thread fit connecting hole 421, can fix the relative position of control 4 and gripping member 2 to make stopper 32 keep in the state that breaks away from spacing groove 312.

Referring to fig. 3 and 4, in order to facilitate the user to screw the connecting rod 62, two sliding grooves 621 are formed in the connecting rod 62, the sliding grooves 621 are disposed along the length direction of the connecting rod 62, and the end away from the connecting cylinder 61 is not opened, and the two sliding grooves 621 are oppositely disposed on the outer circumferential surface of the connecting rod 62; the force application member 63 is disc-shaped and coaxially provided with a through hole corresponding to the diameter of the connecting rod 62, the force application member 63 is sleeved on the connecting rod 62, two sliding blocks 64 are integrally arranged on the inner side wall of the force application member 63, the two sliding blocks 64 are respectively embedded in the two sliding grooves 621 in a sliding manner, so that the force application member 63 is slidably mounted on the connecting rod 62, and the connecting rod 62 can be driven to rotate by rotating the force application member 63. A plurality of ribs are uniformly arranged on the outer side wall of the force application part 63 at intervals so as to facilitate the rotation of a user.

The application principle of the butterfly valve with the wafer type handle in the embodiment of the application is as follows: a user holds the holding part 2 and the control part 4 by hand, the control part 4 rotates towards the holding part 2, the limiting block 32 is separated from the limiting groove 312, then the holding part 2 is rotated to adjust the flow of the butterfly valve, after the adjustment is finished, the control part 4 is loosened, and under the action of the elastic part 5, the limiting block 32 is automatically clamped into the limiting groove 312 at the corresponding position to limit the holding part 2; through the spacing groove 312 joint with stopper 32 and different positions in this application to make the position of gripping member 2 stable, thereby the flow of accurate control butterfly valve.

When the holding part 2 needs to be rotated for multiple times to adjust the flow of the butterfly valve, a user can pinch the control part 4 to enable the limiting block 32 to be separated from the limiting groove 312, when the connecting hole 421 in the control part 4 is coaxial with the connecting rod 62, the force application part 63 is rotated to enable the connecting rod 62 to penetrate into the connecting hole 421 in a threaded mode, the control part 4 and the holding part 2 can be connected together, and the user can rotate the holding part 2 more labor-saving.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a wafer formula handle butterfly valve, includes valve body (1) and valve rod (11), on valve body (1) was worn to establish by valve rod (11), its characterized in that: the valve body (1) outside is provided with grips piece (2) of being connected with valve rod (11), be provided with between grip piece (2) and valve body (1) and be used for restricting grip piece (2) pivoted spacing subassembly (3), spacing subassembly (3) including fixed fluted disc (31) and with fixed fluted disc (31) complex stopper (32), fixed fluted disc (31) set up on valve body (1), it is provided with control (4) that are used for installing stopper (32) to rotate on grip piece (2).

2. The wafer-type handle butterfly valve of claim 1, wherein: a plurality of external teeth (311) are arranged on the outer side of the fixed gear disc (31) at intervals, and a limiting groove (312) for accommodating a limiting block (32) is formed between every two adjacent external teeth (311).

3. The wafer-type handle butterfly valve of claim 2, wherein: the limiting groove (312) is gradually enlarged along the direction far away from the fixed gear disc (31).

4. The wafer-type handle butterfly valve of claim 2, wherein: the anti-skidding plate (321) is arranged at the position, close to the side wall of the limiting groove (312), of the limiting block (32), and the anti-skidding plate (321) is tightly attached to the side wall of the limiting groove (312).

5. The wafer-type handle butterfly valve of claim 2, wherein: an elastic part (5) which is used for enabling the control part (4) to drive the limiting block (32) to rotate towards the limiting groove (312) is arranged between the control part (4) and the holding part (2).

6. The wafer-type handle butterfly valve of claim 1, wherein: and a connecting component (6) for connecting the control piece (4) and the holding piece (2) is arranged between the control piece (4) and the holding piece (2).

7. The wafer-type handle butterfly valve of claim 6, wherein: coupling assembling (6) wear to establish connecting rod (62) in connecting cylinder (61) including connecting cylinder (61) and screw, connecting cylinder (61) set up on gripping member (2), be provided with on control (4) with connecting rod (62) threaded connection's connecting hole (421).

8. The wafer-type handle butterfly valve of claim 7, wherein: the cover is equipped with application of force spare (63) on connecting rod (62), spout (621) have been seted up along self length direction on connecting rod (62), be provided with on application of force spare (63) with spout (621) sliding connection's slider (64).

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