CN219413580U

CN219413580U - Lengthened wedge gate valve with indication structure

Info

Publication number: CN219413580U
Application number: CN202320167093.1U
Authority: CN
Inventors: 韩泽海; 袁杰
Original assignee: Dhv Valve & Foundry Suzhou Co ltd
Current assignee: Dhv Valve & Foundry Suzhou Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-07-25
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to an lengthened wedge gate valve with an indication structure, which comprises a valve cover, a valve rod nut, a valve rod, a driving sleeve, a first nut, an indication pin, a shield, a hand wheel and a bracket. The hand wheel cover is established on the top of drive shaft to top crimping hand wheel nut, the lateral wall of hand wheel nut is equipped with a second screw through-hole, and second screw through-hole passes through third screw fixed connection with the drive shaft, and the drive shaft connects a first nut soon to top and hand wheel fixed connection, and first nut setting is in the inboard of support, and a top fixed connection pilot pin, the top and the support fixed connection of valve gap. The lengthened wedge gate valve with the indication structure has the advantages of visual appearance, convenient operation, reduced cost, improved economic benefit and the like.

Description

Lengthened wedge gate valve with indication structure

Technical Field

The utility model relates to the technical field of wedge-type gate valves, in particular to an elongated wedge-type gate valve with an indication structure.

Background

At present, the gate valve is used as a valve for controlling the on-off of a pipeline, and is widely applied to various fields because of the advantages of small flow resistance, good sealing performance and the like. The wedge gate valve is widely applicable to petrochemical industry, oil products such as thermal power factory, steam gas pipeline are put through or cut off the headstock gear of medium in the pipeline, because the reason of pipeline operation platform, the customer can require to increase the hand wheel operating device of conventional gate valve, conveniently operates the valve in high platform department.

For this purpose we have developed an elongated wedge gate valve with an indicating structure to solve the above problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the lengthened wedge gate valve with the indication structure, which has the advantages of visual appearance, convenient operation, cost reduction, economic benefit improvement and the like.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an add elongated wedge gate valve with instruct structure, includes a valve gap, a valve rod, a drive sleeve, a hand wheel and a support, the center of valve gap with the valve rod grafting, the top fixed connection of valve rod a valve rod nut, the bottom of valve rod nut with valve gap crimping to a gland is pressed to the top, the top of valve rod nut with drive sleeve fixed connection, the top of drive sleeve is equipped with a drive shaft, the drive shaft connects a first nut soon, and the top with hand wheel fixed connection, first nut sets up the inboard of support to a top fixed connection indicates the round pin, the top of valve gap with support fixed connection.

Preferably, a first notch is formed in the top end of the first nut, a first threaded through hole is formed in the indication pin, the indication pin is inserted into the first notch, and the first threaded through hole is fixedly connected with the first notch through a first screw.

Preferably, the bracket is provided with a second notch, and the indication pin is arranged in the second notch.

Preferably, the bottom end of the driving sleeve is fixedly connected with a sleeve, and the sleeve is fixedly connected with the top end of the valve rod nut.

Preferably, the valve cover is provided with a first internal thread, a flange of the valve rod nut is arranged on the lower side of the first internal thread, the flange of the valve rod nut is in compression joint with the valve cover, and the first internal thread is fixedly connected with the gland.

Preferably, an annular groove is formed in the top end of the valve cover, a pressing plate is fixedly connected to the bottom end of the support, the pressing plate is in pressure connection with the annular groove, and the pressing plate is fixedly connected with the annular groove through bolts and second nuts.

Preferably, the top end of the valve rod is provided with an external thread, the inner top end of the valve rod nut is provided with a second internal thread, and the external thread is fixedly connected with the second internal thread.

Preferably, a shield is arranged between the bracket and the driving shaft, a screw hole is arranged on the side wall of the shield, and the screw hole is fixedly connected with the bracket through a second screw.

Preferably, a sinking groove is arranged at the center of the top end of the shield, a bearing is connected with the sinking groove in a pressing mode, and the bearing is in rolling connection with the driving shaft.

Preferably, the hand wheel is sleeved on the top end of the driving shaft, the top end is in pressure connection with a hand wheel nut, a second threaded through hole is formed in the side wall of the hand wheel nut, and the second threaded through hole is fixedly connected with the driving shaft through a third screw.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the lengthened wedge gate valve with the indication structure is provided with the driving device which is directly arranged on the valve rod nut of the valve, and the position indication structure is additionally arranged on the driving device, so that the opening and closing states of the valve are visual and convenient to operate; the heightening can be realized according to different operation height requirements of a customer site, the valve does not need to be modified greatly, and the cost is reduced; the valve not only meets the requirement of heightening of customers, but also can realize indication, does not need to change the structure of the original valve, and improves economic benefit.

Drawings

Fig. 1 is a schematic structural view of an elongated wedge gate valve with an indicating structure according to the present utility model.

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present utility model.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

In fig. 1 to 2, an elongated wedge gate valve with indication structure comprises a valve cap 1, a valve stem nut 2, a valve stem 3, a driving sleeve 5, a first nut 7, an indication pin 8, a shield 9, a hand wheel 11 and a bracket 6. The hand wheel 11 is sleeved on the top end of the driving shaft 51, the top end is in pressure connection with a hand wheel nut 12, a second threaded through hole 121 is formed in the side wall of the hand wheel nut 12, and the second threaded through hole 121 is fixedly connected with the driving shaft 51 through a third screw 15.

The top end of the valve cover 1 is provided with a ring groove 102, and the top end of the inner wall of the valve cover 1 is provided with a first internal thread 101. The lower side of the first internal thread 101 is provided with a flange of the valve rod nut 2, the flange of the valve rod nut 2 is in compression joint with the valve cover 1, and the first internal thread 101 is fixedly connected with the gland 4. The pressure plate 62 is crimped with the annular groove 102 and is fixedly connected by the bolt 13 and the second nut 14.

The center of the valve cover 1 is inserted into the valve rod 3, an external thread 31 is arranged at the top end of the valve rod 3, a second internal thread 21 is arranged at the inner top end of the valve rod nut 2, and the external thread 31 is fixedly connected with the second internal thread 21. The top end of the valve rod 3 is fixedly connected with a valve rod nut 2, the bottom end of the valve rod nut 2 is in pressure connection with the valve cover 1, and the top end is in pressure connection with a pressure cover 4.

The top of the valve rod nut 2 is fixedly connected with the driving sleeve 5, a driving shaft 51 is arranged at the top of the driving sleeve 5, a sleeve 52 is welded at the bottom of the driving sleeve 5, and the sleeve 52 is fixedly connected with the top of the valve rod nut 2. The drive shaft 51 is screwed to a first nut 7 and the top end is fixedly connected to the hand wheel 11. The driving sleeve 5 is of an lengthened structure, and heightening is achieved according to different operation height requirements.

The top end of the valve cover 1 is fixedly connected with the bracket 6. A shield 9 is arranged between the bracket 6 and the driving shaft 51, and the bottom end of the bracket 6 is fixedly connected with a pressure plate 62. The bracket 6 is provided with a second notch 61, and the indicator pin 8 is arranged in the second notch 61. The valve is closed when the indicator pin 8 is on the upper side of the second notch 61, and conversely, the valve is opened when the indicator pin 8 is on the lower side of the second notch 61.

The top of the first nut 7 is provided with a first notch 71, the first nut 7 is arranged on the inner side of the bracket 6, the top is fixedly connected with an indication pin 8, the indication pin 8 is provided with a first threaded through hole 81, the indication pin 8 is inserted into the first notch 71, and the first threaded through hole 81 is fixedly connected with the first notch 71 through a first screw 17.

The side wall of the shield 9 is provided with a screw hole 91, and a countersink 92 is arranged at the center of the top end of the shield 9. The screw hole 91 is fixedly connected with the bracket 6 through the second screw 16. The sinking groove 92 is pressed with a bearing 10, and the bearing 10 is connected with the driving shaft 51 in a rolling way.

The driving sleeve 5 is arranged on the valve rod nut 2, the bracket 6 is connected to the valve cover 1 through the bolt 13, the second nut 14 is screwed on the screw thread above the valve rod 3, the first nut 7 is screwed on the second notch 61 on the bracket 6, the indicating pin 8 is screwed in and locked by the first screw 17, the bearing 10 is screwed on the screw thread above the bracket 6 after being arranged in the shield 9, and is locked by the second screw 16, the hand wheel 11 is sleeved on the driving sleeve 5, the hand wheel nut 12 is screwed in and locked by the third screw 15, the hand wheel 11 drives the valve rod 3 to move through the driving sleeve 5, the valve rod 3 drives the opening and closing of the wedge gate valve, and the indicating pin 8 can visually see the opening and closing state of the valve switch.

The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.

Claims

1. An elongated wedge gate valve with indication structure, characterized in that: including valve gap (1), a valve rod (3), a drive sleeve (5), a hand wheel (11) and a support (6), the center of valve gap (1) with valve rod (3) are pegged graft, the top fixed connection valve rod nut (2) of valve rod (3), the bottom of valve rod nut (2) with valve gap (1) crimping to a gland (4) is pressed on top, the top of valve rod nut (2) with drive sleeve (5) fixed connection, the top of drive sleeve (5) is equipped with a drive shaft (51), drive shaft (51) joint a first nut (7) soon to top with hand wheel (11) fixed connection, first nut (7) set up the inboard of support (6), and a top fixed connection pilot pin (8), the top of valve gap (1) with support (6) fixed connection.

2. The elongated wedge gate valve with the indication structure according to claim 1, characterized in that a first notch (71) is arranged at the top end of the first nut (7), a first threaded through hole (81) is arranged on the indication pin (8), the indication pin (8) is inserted into the first notch (71), and the first threaded through hole (81) is fixedly connected with the first notch (71) through a first screw (17).

3. The gate valve of claim 2, wherein the bracket (6) has a second notch (61), and the indicator pin (8) is disposed in the second notch (61).

4. The elongated wedge gate valve with the indicating structure according to claim 1, wherein the bottom end of the driving sleeve (5) is fixedly connected with a sleeve (52), and the sleeve (52) is fixedly connected with the top end of the valve rod nut (2).

5. The elongated wedge gate valve with the indication structure according to claim 1, wherein the valve cover (1) is provided with a first internal thread (101), a flange of the valve stem nut (2) is arranged at the lower side of the first internal thread (101), the flange of the valve stem nut (2) is in pressure connection with the valve cover (1), and the first internal thread (101) is fixedly connected with the gland (4).

6. The elongated wedge gate valve with the indication structure according to claim 5, wherein an annular groove (102) is formed at the top end of the valve cover (1), a pressure plate (62) is fixedly connected to the bottom end of the bracket (6), and the pressure plate (62) is in pressure connection with the annular groove (102) and is fixedly connected with the pressure plate through bolts (13) and second nuts (14).

7. The elongated wedge gate valve with the indication structure according to claim 1, wherein an external thread (31) is arranged at the top end of the valve rod (3), a second internal thread (21) is arranged at the inner top end of the valve rod nut (2), and the external thread (31) is fixedly connected with the second internal thread (21).

8. The elongated wedge gate valve with the indication structure according to claim 1, characterized in that a shield (9) is arranged between the bracket (6) and the driving shaft (51), a screw hole (91) is arranged on the side wall of the shield (9), and the screw hole (91) is fixedly connected with the bracket (6) through a second screw (16).

9. The elongated wedge gate valve with indication structure according to claim 8, characterized in that a countersink (92) is provided at the top center of the shield (9), the countersink (92) is press-fitted with a bearing (10), and the bearing (10) is in rolling connection with the driving shaft (51).

10. The elongated wedge gate valve with the indication structure according to claim 1, wherein the hand wheel (11) is sleeved on the top end of the driving shaft (51), the top end is in pressure connection with a hand wheel nut (12), a second threaded through hole (121) is formed in the side wall of the hand wheel nut (12), and the second threaded through hole (121) is fixedly connected with the driving shaft (51) through a third screw (15).