CN213575866U

CN213575866U - Novel switch indicator for butterfly valve

Info

Publication number: CN213575866U
Application number: CN202020281126.1U
Authority: CN
Inventors: 黄铭坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2021-06-29
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses a butterfly valve is with novel switch indicator, including inside tight piece that rises, valve switch indicator, indicator installation tight screw, internally mounted nut, commentaries on classics piece, tight through-hole that rises, nut groove, the tight hole that rises and change a drive sector, inside rises and has seted up on the tight piece rise tight hole, seted up on the bottom surface of inside tight piece that rises nut groove, install in the nut groove internally mounted nut, the top of inside tight piece that rises is through connecing soon in the internally mounted nut the tight screw installation that rises of indicator installation is fixed with the valve switch indicator, the top of changeing has been seted up the tight through-hole that rises. Has the advantages that: the utility model discloses a structure processing technology is simple, and the process is less than becoming with traditional technology step, and simple to operate can adjust the after-fixing at will to the indicator.

Description

Novel switch indicator for butterfly valve

Technical Field

The utility model relates to a butterfly valve auxiliary device field especially relates to a butterfly valve is with novel switch indicator.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member (valve clack or butterfly plate) which is a disc and rotates around a valve shaft to open and close, the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil, liquid metal, radioactive media and the like, and mainly plays the roles of cutting and throttling on a pipeline, the butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in a valve body so as to achieve the purposes of opening, closing and adjusting, but the traditional butterfly valve indicator is fixedly arranged on the rotating member through two screws, needs to process and tap a screw hole, has complicated process, and needs to be disassembled to adjust and then fixed after the internal rotating gear is adjusted when the indicator deviates due to carelessness in installation, the installation and use are inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve is with novel switch indicator just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a butterfly valve is with novel switch indicator, rises tight screw, internally mounted nut, commentaries on classics piece, the tight through-hole of tight, nut groove, rise tight hole and commentaries on classics piece drive gear fan including inside tight piece, valve switch indicator, the indicator installation that rises, has seted up on the inside tight piece that rises rise tight hole, seted up on the bottom surface of inside tight piece that rises the nut groove, install in the nut groove internally mounted nut, the top of inside tight piece that rises is through connecing soon in the internally mounted nut the tight screw installation that rises of indicator installation is fixed with the valve switch indicator, the top of commentaries on classics piece has been seted up rise tight through-hole, inside tight piece stopper that rises is established inside the tight through-hole that rises, the lateral surface of commentaries on classics piece still fixed mounting have change a drive gear fan.

Furthermore, the rotating piece is installed inside the installation shell, a valve hand wheel installation shaft is inserted into the installation shell, and hand wheel rotation thread teeth are arranged on a part of a shaft body of the valve hand wheel installation shaft, which is inserted into the installation shell;

furthermore, the rotating part driving toothed sector is a quarter of toothed sector, a driving tooth is arranged on the edge of the quarter of the toothed sector, and the hand wheel rotating thread teeth are meshed and driven to the driving tooth of the rotating part driving toothed sector.

Further, the hand wheel rotatory thread tooth both sides still be provided with the spacing convex part of hand wheel on the installation axle of valve hand wheel and be used for spacingly, the inboard bottom of installation casing is provided with casing bottom annular, change the piece with it all sets up to change a drive sector in the annular of casing bottom.

Furthermore, the top of the side wall of the installation shell further extends inwards to form an extension installation lug, the extension installation lug is fixedly provided with a shell installation cover through a cover body bolt, and the shell installation cover is provided with a tensioning piece through hole.

Furthermore, the internal tensioning member consists of a tensioning member cylinder and a tensioning member top gasket arranged above the tensioning member cylinder, the valve switch indicator is a disc indicator, and an indication direction mark is carved on the disc indicator.

Has the advantages that: the structure processing technology of novel switch indicator for butterfly valve is simple, and the process is less than becoming with traditional technology step, and simple to operate can adjust the after-fixing at will to the indicator.

Drawings

Fig. 1 is a schematic structural diagram of a novel switch indicator for a butterfly valve according to the present invention;

fig. 2 is a schematic perspective view of an internal tension member of the novel switch indicator for a butterfly valve according to the present invention;

fig. 3 is a schematic view of an installation structure of an internal tension member of the novel switch indicator for the butterfly valve according to the present invention;

fig. 4 is a schematic view of the internal installation structure of the butterfly valve of the novel switch indicator for the butterfly valve according to the present invention;

fig. 5 is a schematic diagram of an external structure of a butterfly valve of the novel switch indicator for the butterfly valve according to the present invention;

fig. 6 is a schematic structural view of the conventional butterfly valve switch indicator.

The reference numerals are explained below:

1. an inner tensioning member; 2. a valve switch indicator; 3. the indicator is provided with a tensioning screw; 4. a nut is arranged inside; 5. rotating the workpiece; 6. a through hole of the tensioning member; 7. a nut groove; 8. tensioning holes; 9. the rotating piece drives the gear fan; 10. a valve hand wheel mounting shaft; 11. a housing mounting cover; 12. a cover bolt; 13. installing a shell; 14. an extension mounting ear; 15. a ring groove at the bottom of the shell; 16. rotating thread teeth by a hand wheel; 17. a hand wheel limit convex part; 18. a tensioning member cylinder; 19. the top gasket of the tensioning member.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

a novel switch indicator for butterfly valves is composed of an internal tensioning piece 1, a valve switch indicating piece 2, an indicator installation tensioning screw 3, an internal installation nut 4, a rotating piece 5, a tensioning piece through hole 6, a nut groove 7, a tensioning hole 8 and a rotating piece driving sector 9;

referring to fig. 1-5, an expansion hole 8 is formed in an internal expansion piece 1, a nut groove 7 is formed in the bottom surface of the internal expansion piece 1, an internal mounting nut 4 is mounted in the nut groove 7, a valve switch indicator 2 is fixedly mounted on the top of the internal expansion piece 1 through an indicator mounting expansion screw 3 screwed in the mounting nut 4, a expansion piece through hole 6 is formed in the top of a rotating piece 5, the internal expansion piece 1 is plugged into the expansion piece through hole 6, and a rotating piece driving toothed fan 9 is fixedly mounted on the outer side surface of the rotating piece 5.

In the embodiment, the rotating member 5 is installed inside the installation shell 13, a valve hand wheel installation shaft 10 is further inserted into the installation shell 13, and hand wheel rotation thread teeth 16 are arranged on a part of a shaft body of the valve hand wheel installation shaft 10 inserted into the installation shell 13;

preferably, the rotating member driving sector 9 is a quarter sector, a driving tooth is disposed on a sector edge of the quarter sector, and the hand wheel rotating thread tooth 16 is engaged with and drives the driving tooth of the rotating member driving sector 9.

In this embodiment, the valve handwheel mounting shaft 10 on both sides of the handwheel rotation thread 16 is further provided with a handwheel limit protrusion 17 for limiting, the bottom of the inner side of the mounting housing 13 is provided with a housing bottom annular groove 15, and the rotating member 5 and the rotating member driving gear sector 9 are both arranged in the housing bottom annular groove 15.

In this embodiment, the top of the side wall of the mounting housing 13 further extends inward to form an extending mounting lug 14, the extending mounting lug 14 is fixedly mounted on the housing mounting cover 11 through a cover bolt 12, and the housing mounting cover 11 is provided with a tensioning member through hole.

In this embodiment, the internal tightening member 1 is composed of a tightening member cylinder 18 and a tightening member top washer 19 installed above the tightening member cylinder 18, and the valve switch indicator 2 is a disc indicator on which an indication direction indicator is depicted.

Referring to fig. 6, this figure is traditional indicator mounting structure, and valve switch indicator 2 passes through two set screws and installs on the top surface of commentaries on classics piece 5, and the production technology of its structure is loaded down with trivial details to dig the hole, tapping processing all has the difficulty, and during the installation, if careless, two set screws are adjusted to adversion piece under the condition that the indicator can not pinpoint.

In the mechanism described in this embodiment, the inside commentaries on classics piece need not other trompil, deformable rubber piece that rises is packed into in the tight piece through-hole that rises of a commentaries on classics internal connection butterfly valve, the bottom grafting dish pole that rises the tight piece through-hole that rises, the nut hole site is reserved to rubber piece bottom that rises, the tight screw that rises passes valve switch indicator, pass deformable rubber piece or working of plastics again, screw in bottom mounting nut, after the mounting screw is screwed, bottom mounting nut oppresses deformable inside piece that rises and tightly along with the mounting screw, thereby reach the purpose of fixed valve switch indicator, valve switch indicator can adjust the position at will before the tight piece that rises and tightly decides, the unsafe condition of mounted position can not appear.

The technical scheme in the embodiment can be installed in both the traditional butterfly valve and the butterfly valve of the e-mail circuit switch.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a butterfly valve is with novel switch indicator which characterized in that: including inside tight piece that rises, valve switch indicator, indicator installation tight screw, internally mounted nut, commentaries on classics piece, tight through-hole that rises, nut groove, rise tight hole and commentaries on classics piece drive sector, inside rises to have seted up on the tight piece rise tight hole, seted up on the bottom surface of inside tight piece that rises the nut groove, install in the nut groove internally mounted nut, the top of inside tight piece that rises is through cup jointing in the internally mounted nut the tight screw installation that rises of indicator installation is fixed with the valve switch indicator, the top of commentaries on classics piece has been seted up tight through-hole that rises, inside tight stopper that rises is established inside the tight through-hole that rises, the lateral surface of commentaries on classics piece still fixed mounting have change a drive sector.

2. The novel switch indicator for a butterfly valve according to claim 1, characterized in that: the rotary part is installed inside the installation shell, a valve hand wheel installation shaft is further inserted in the installation shell, and hand wheel rotation thread teeth are arranged on part of shaft bodies of the installation shell in an inserting mode.

3. The novel switch indicator for a butterfly valve according to claim 2, characterized in that: the rotating part driving toothed fan is a quarter of fan blade, driving teeth are arranged on the edge of the quarter of fan blade, and the hand wheel rotating thread teeth are meshed and driven to the driving teeth of the rotating part driving toothed fan.

4. The novel switch indicator for a butterfly valve according to claim 2, characterized in that: the rotatory thread tooth both sides of hand wheel the epaxial hand wheel limit convex part that still is provided with of valve hand wheel installation is used for spacingly, the inboard bottom of installation casing is provided with casing bottom annular, change the piece with it all sets up to change a drive sector in the annular of casing bottom.

5. The novel switch indicator for a butterfly valve according to claim 2, characterized in that: the side wall top of the installation shell is also inwards extended with an extension installation ear, the extension installation ear is fixedly provided with a shell installation cover through a cover body bolt, and the shell installation cover is provided with a tensioning piece through hole.

6. The novel switch indicator for a butterfly valve according to claim 1, characterized in that: the internal tensioning member consists of a tensioning member cylinder and a tensioning member top gasket arranged above the tensioning member cylinder, the valve switch indicator is a disc indicator, and an indicating direction indicator is carved on the disc indicator.