CN215720915U

CN215720915U - Interchangeable claw formula electricity installation rising stem gate valve device

Info

Publication number: CN215720915U
Application number: CN202122098583.4U
Authority: CN
Inventors: 张光明; 张凌兵; 陆善亮; 章亮
Original assignee: Tongling Rong Jing Technology Co ltd
Current assignee: Tongling Rong Jing Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-01
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses an interchangeable claw type electric fitting rising stem gate valve device, which relates to the technical field of rising stem gate valve interchange and is used for solving the problems that the prior valve is not universal in close specification and model due to too many models, the work efficiency is reduced due to difficult part allocation and the manufacturing cost of the valve is increased; compared with the prior art, the utility model has stronger interchangeability with the assembly of an electric control system, saves the manufacturing cost of the valve, meets the market demand, improves the working efficiency, is safe and reliable, and is convenient to disassemble and assemble when the device is maintained.

Description

Interchangeable claw formula electricity installation rising stem gate valve device

Technical Field

The utility model relates to the technical field of exchange of rising stem gate valves, in particular to an interchangeable claw type electric rising stem gate valve device.

Background

The open-close piece of the rising stem gate valve is a valve plate, the movement direction of the gate plate is perpendicular to the fluid direction, the rising stem gate valve can only be opened and closed completely and cannot be adjusted and throttled, the gate plate is provided with two sealing surfaces, the two sealing surfaces of the most common mode gate valve form a wedge shape, the wedge angle is different along with the valve parameters, when the rising stem gate valve is closed, the sealing surfaces can be sealed only by medium pressure, namely, the sealing surfaces of the gate plate are pressed to a valve seat on the other side by the medium pressure to ensure the sealing of the sealing surfaces, the gate plate is self-sealed, most gate valves are forcedly sealed, namely, when the valve is closed, the gate plate is pressed to the valve seat by external force to ensure the sealing of the sealing surfaces.

In the prior art, the rising stem gate valve is connected with an electric control system by adopting the connection of a screw and a nut, the screw is various in model specifications due to the difference of the valve model specifications, so that the nut model specifications of the electric control system are increased, the electric control system close to the model specifications cannot be universal, the exchange and allocation difficulty is caused, partial claw type connection also appears in the market, the rising stem gate valve can be universal with an electric fitting system of a hidden stem gate valve of the same model, the exchange of valves of two models of a rising stem and a hidden stem of the same specification can only be realized, the exchange range of the existing device is limited, and the market demand cannot be met.

To this end, we propose an interchangeable claw-type electric rising stem gate valve apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the existing valve has too many types, so that an electric control system close to the specifications and the types is not universal, the interchange range is extremely small, the parts are difficult to allocate, the working efficiency is reduced, the manufacturing cost of the valve is increased, and the market demand cannot be met.

The purpose of the utility model can be realized by the following technical scheme:

an interchangeable claw type electric exposed rod gate valve device comprises a valve body, a valve cover and an interchange assembly, wherein the valve cover is installed at the top of the valve body, the interchange assembly is installed at the top of the valve cover, the interchange assembly comprises a support, a coupler claw and an inner cover, the support comprises an upper flange, the top of the support is fixed with the upper flange through spot welding, the bottom of the support is fixed with a flat flange surface through spot welding, seam-riding threaded holes are formed in the inner circle of the upper flange at equal intervals, first through-insertion holes are formed in the top of the upper flange at equal intervals, second through-insertion holes are symmetrically formed in the top of the flat flange surface, and a third through-insertion hole is formed in the middle of the flat flange surface;

the upper flange is internally provided with a coupling claw, the middle part of the excircle of the coupling claw is provided with a shaft shoulder, three claw teeth are fixedly connected to the top of the coupling claw at equal intervals, the inner wall of the coupling claw is provided with T-shaped threads, and the upper plane and the lower plane of the shaft shoulder of the coupling claw are respectively connected with the support and the inner cover through thrust bearings.

Further, the inner cup is installed to the top of shaft shoulder, inner cup and last flange threaded connection, and thrust bearing is all installed to the top and the bottom of shaft shoulder, the side equidistance of inner cup has seted up the perforation screw hole, the blind hole has been seted up to the top equidistance of inner cup.

Further, the inner circle of the coupling claw is connected with a valve rod through T-shaped threads, the bottom end of the valve rod extends to the inside of the valve body, the bottom end of the valve rod is connected with a valve plate, and the valve body is connected with a valve cover through a fastening screw.

Furthermore, an exposed rod gland is installed above the flat flange face, a hole fourth through hole corresponding to the second through hole is formed in the top of the exposed rod gland, the second through hole and the fourth through hole are in threaded connection with a screw rod, the top and the middle of the screw rod are in threaded connection with a nut, flat gaskets are respectively arranged between the nut and the exposed rod gland and the flat flange face, the nut is matched with the exposed rod gland and the flat flange face, and the flat flange face is fixedly connected with the valve cover through the screw rod.

Further, be provided with well mouthful pad between valve gap and the valve body, be provided with first O type circle between flat flange face and the valve gap, all install second O type circle between valve rod and rising stem gland and the valve gap inner wall top, the threaded connection of perforation screw hole has the perforation screw.

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

1. when the utility model is used, the interchanging assembly is arranged, the upper flange is arranged above the bracket, the coupling claw is arranged in the upper flange, and the top of the coupling claw is provided with three claw teeth which are matched with the claw teeth of the electric control system of the valve of the adjacent type, thereby increasing the adaptation range of the utility model, saving the manufacturing cost of the valve and improving the working efficiency.

2. When the utility model is used, the shaft shoulder is arranged in the middle of the excircle provided with the coupling claw for positioning, and the valves with the excircle diameters within a certain range are manufactured into uniform sizes, so that the specifications of the matched supports are uniform within a certain range, and the interchangeability of matched parts is enhanced.

3. When the sealing device is used, the sealing device is convenient to assemble and disassemble during installation by arranging the screw rod and the fastening screw, and the sealing performance of the sealing device is improved by arranging the first O-shaped ring, the second O-shaped ring and the middle opening gasket.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is a schematic overall perspective view of the present invention;

FIG. 3 is a schematic view of the stent structure of the present invention;

FIG. 4 is a schematic view of the clutch pawl structure of the present invention;

fig. 5 is a schematic view of the structure of the inner cap of the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. a middle mouth pad; 4. a valve cover; 5. a first O-ring; 6. a second O-ring; 7. a rising stem gland bush; 8. a support; 801. an upper flange; 802. a flat flange face; 803. a perforation threaded hole; 804. a first through hole; 805. a second through hole; 806. a third through hole; 9. a valve stem; 10. a thrust bearing; 11. a coupling claw; 1101. a shaft shoulder; 1102. claw teeth; 1103. t-shaped threads; 12. an inner cover; 1201. blind holes; 13. a dowel screw; 14. a screw; 15. a nut; 16. a flat gasket; 17. fastening screws; 100. the components are interchanged.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An interchangeable claw type electric exposed rod gate valve device comprises a valve body 1, a valve cover 4 and an interchangeable assembly 100, wherein the top of the valve body 1 is provided with the valve cover 4, a middle opening pad 3 is arranged between the valve cover 4 and the valve body 1, the middle opening pad 3 is arranged to ensure that the valve cover 4 and the valve body 1 have better sealing performance and prevent water seepage during use, the valve body 1 is connected with the valve cover 4 through a fastening screw 17, the device is convenient to disassemble and assemble during maintenance, the interchangeable assembly 100 is safe, reliable, simple and rapid, the top of the valve cover 4 is provided with the interchangeable assembly 100, the interchangeable assembly 100 comprises a support 8, a coupler claw 11 and an inner cover 12, the support 8 comprises an upper flange 801, the top of the support 8 is fixed with the upper flange 801 through spot welding, the upper flange 801 is matched with an electric control system of a valve, the interchangeability of the device is improved, the manufacturing cost of the valve is saved, the bottom of the support 8 is fixed with a flat flange surface 802 through spot welding, a first O-ring 5 is arranged between the flat flange surface 802 and the valve cover 4, so that the flat flange surface 802 is pressed on the top of the valve cover 4 through the first O-ring 5, and a seal is formed between the flat flange surface 802 and the valve cover 4;

the valve comprises an upper flange 801, a flat flange surface 802, a valve claw 11, a valve rod 9, a valve plate 2, a valve electric control system, a valve rod 9, a valve claw 11 and a valve rod control system, wherein the inner circle of the upper flange 801 is provided with seam-riding threaded holes 803 at equal intervals, the top of the upper flange 801 is provided with first through-insertion holes 804 at equal intervals, the valve electric control system is installed on the upper flange 801 through the first through-insertion holes 804, so that torque is conveniently transmitted through the valve rod 9, the top of the flat flange surface 802 is symmetrically provided with second through-insertion holes 805, the middle of the flat flange surface 802 is provided with a third through-insertion hole 806, the inner circle of the valve rod claw 11 is connected with the valve rod 9 through a T-shaped thread 1103, the bottom end of the valve rod 9 extends into the valve body 1, the bottom end of the valve rod 9 is connected with the valve plate 2, the top of the valve claw 11 is provided with the valve electric control system, and the valve electric control system transmits torque through the valve rod 9 to drive the valve rod to move up and down, so as to control the opening and closing of the valve;

wherein, a rising stem gland 7 is arranged above the flat flange face 802, the top of the rising stem gland 7 is provided with a hole fourth through hole corresponding to the second through hole 805, the second through hole 805 and the fourth through hole are both in threaded connection with a screw 14, the top and the middle of the screw 14 are both in threaded connection with a nut 15, the nut 15 is respectively provided with a flat gasket 16 between the rising stem gland 7 and the flat flange face 802, the nut 15 is matched with the rising stem gland 7 and the flat flange face 802, the rising stem gland 7 is pressed on the first O-shaped ring 5 through the nut 15 sleeved by the screw 14, the pressing force can be adjusted through the nut 15 to achieve better sealing property, the flat flange face 802 is fixedly connected with the valve cover 4 through the screw 14, a coupling claw 11 is arranged inside the upper flange 801, the middle part of the excircle of the coupling claw 11 is provided with a shaft shoulder 1101, and the top and the bottom of the shaft shoulder 1101 are both arranged and connected by a thrust bearing 10, an inner cover 12 is arranged above the shaft shoulder 1101, the inner cover 12 is in threaded connection with the upper flange 801, three claw teeth 1102 are fixedly connected to the top of the coupling claw 11 at equal intervals, when the coupling claw is specifically arranged, the claw teeth 1102 arranged on the top of the coupling claw 11 are matched with a valve electric control system, the shaft shoulder 1101 is arranged in the middle of the excircle of the coupling claw 11 for positioning, and the valves with the diameters of the excircle of the coupling claw 11 in a certain range are manufactured into a uniform size, so that the specifications of the matched supports 8 are uniform in a certain range, the interchangeability of matched parts is enhanced, the manufacturing cost is saved, and the working efficiency is improved;

wherein, the inner wall of the coupling claw 11 is provided with T-shaped threads 1103, the upper and lower planes of the shaft shoulder 1101 of the coupling claw 11 are respectively connected with the support 8 and the inner cover 12 through the thrust bearings 10, the two thrust bearings 10 are respectively connected and fixed with the support 8 and the inner cover 12 for limiting, and the play of the thrust bearings 10 can be adjusted through the inner cover 12, when in specific arrangement, the excircle of the inner cover 12 is made into threads and screwed into the threaded hole of the upper flange 801 connected with the top of the support 8, after the play is adjusted, the inner cover 12 is fixed through a joint-riding screw 13, the side surface of the inner cover 12 is equidistantly provided with joint-riding threaded holes 803, the top of the inner cover 12 is equidistantly provided with blind holes 1201, the excircle of the inner cover 12 is provided with threads and is uniformly provided with joint-riding threaded holes 803, the top is provided with blind holes 1201 for loading and unloading and height adjustment, and is inserted into a rotary tool, second O-shaped rings 6 are respectively arranged between the valve rod 9 and the top of the open rod gland 7 and the inner wall of the valve cover 4, a riding screw 13 is screwed into the riding threaded hole 803.

The working principle of the utility model is as follows:

when the utility model is installed, the middle mouth pad 3 is installed between the valve body 1 and the valve cover 4, the valve body 1 and the valve cover 4 are screwed tightly through the fastening screw 17 to form a seal to prevent water leakage of the device, the rising stem gland 7 is placed in the bracket 8, the rising stem gland 7 passes through the second through hole 805 outside the rising stem gland 7 and the flange plane 802 through the screw 14, the bracket 8 is installed on the top of the valve cover 4 through the mutual matching of the flat gasket 16 and the nut 15, the rising stem gland 7 is fixed in the bracket 8, the valve rod 9 is installed in the valve body 1 through the third through hole 806, the thrust bearing 10, the coupling claw 11, the thrust bearing 10 and the inner cover 12 are sequentially installed in the upper flange 801, the thrust bearings 10 are installed on two sides of the shaft shoulder 1101 of the coupling claw 11, the two thrust bearings 10 are respectively connected and fixed with the bracket 8 and the inner cover 12 to limit, the coupling claw 11 is limited to prevent the device from being used, shaft coupling claw 11 produces and rocks, lead to the device can not normally work, the screw thread screw in goes up the threaded hole of flange 801 is made to inner cup 12 excircle, adjust slot-riding screw hole 803, and install slot-riding screw 13 and fix in slot-riding screw hole 803, thereby fixed inner cup 12, electrical system fixes in last flange 801 top, the top of shaft coupling claw 11 is provided with three pawl tooth 1102, three pawl tooth 1102 is connected with outside electrical system, be convenient for through valve rod 9 transmission moment of torsion, circle is provided with the T type screw thread 1103 that suits with valve rod 9 in the shaft coupling claw 11, it reciprocates to drive valve rod 9, and then control flap's opening and closing.

The preferred embodiments disclosed above are intended only to aid in the description of the utility model. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and its applications, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an interchangeable type claw formula electricity bright pole gate valve device, includes valve body (1), valve gap (4) and exchanges subassembly (100), valve gap (4) are installed at the top of valve body (1), exchange subassembly (100) is installed at the top of valve gap (4), its characterized in that, it includes support (8), shaft coupling claw (11) and inner cup (12) to exchange subassembly (100), support (8) include upper flange (801), the top of support (8) is fixed with upper flange (801) through spot welding, the bottom of support (8) is fixed with flat flange face (802) through spot welding, the interior circle of upper flange (801) equidistance has seted up striding seam screw hole (803), first through-going hole (804) have been seted up at the top of upper flange (801) equidistance, second through-going hole (805) have been seted up to the top symmetry of flat flange face (802), a third through hole (806) is formed in the middle of the flat flange face (802);

go up flange (801) internally mounted have shaft coupling claw (11), the excircle middle part of shaft coupling claw (11) is provided with shaft shoulder (1101), the top of shaft coupling claw (11) equidistance fixedly connected with three claw tooth (1102), the inner wall of shaft coupling claw (11) is provided with T type screw thread (1103), two planes are all connected with support (8) and inner cup (12) respectively through thrust bearing (10) about shaft shoulder (1101) of shaft coupling claw (11).

2. The gate valve device of the interchangeable claw type electric exposed rod of claim 1, wherein an inner cover (12) is installed above the shaft shoulder (1101), the inner cover (12) is in threaded connection with the upper flange (801), thrust bearings (10) are installed at the top and the bottom of the shaft shoulder (1101), the side surface of the inner cover (12) is provided with seam-riding threaded holes (803) at equal intervals, and the top of the inner cover (12) is provided with blind holes (1201) at equal intervals.

3. An interchangeable claw type electric switch rod gate valve device according to claim 2, wherein the inner circle of the coupling claw (11) is connected with a valve rod (9) through a T-shaped thread (1103), the bottom end of the valve rod (9) extends to the inside of the valve body (1), the bottom end of the valve rod (9) is connected with a valve plate (2), and the valve body (1) is connected with the valve cover (4) through a fastening screw (17).

4. The interchangeable claw-type electric exposed rod gate valve device according to claim 3, wherein an exposed rod gland (7) is installed above the flat flange surface (802), a fourth through hole corresponding to the second through hole (805) is formed in the top of the exposed rod gland (7), a screw (14) is connected to the second through hole (805) and the fourth through hole in a threaded manner, nuts (15) are connected to the top and the middle of the screw (14) in a threaded manner, flat gaskets (16) are respectively arranged between the nuts (15) and the exposed rod gland (7) and the flat flange surface (802), the nuts (15) are matched with the exposed rod gland (7) and the flat flange surface (802), and the flat flange surface (802) is fixedly connected with the valve cover (4) through the screw (14).

5. The interchangeable claw type electric open-lever gate valve device according to claim 4, wherein a middle opening gasket (3) is arranged between the valve cover (4) and the valve body (1), a first O-ring (5) is arranged between the flat flange surface (802) and the valve cover (4), a second O-ring (6) is arranged between the valve rod (9) and the open-lever gland (7) and the top of the inner wall of the valve cover (4), and a seam-riding screw (13) is in threaded connection with the seam-riding threaded hole (803).