CN213332489U

CN213332489U - Valve with secondary seal structure

Info

Publication number: CN213332489U
Application number: CN202022155034.1U
Authority: CN
Inventors: 丁学峰; 李群; 蔡雷
Original assignee: Yancheng Aokai Mingtong Valve Co ltd
Current assignee: Yancheng Aokai Mingtong Valve Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-01
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a valve with secondary seal structure, including valve body, valve pipe, gear and sealing washer, the inside holding down plate that is provided with of lower extreme of valve body, the valve pipe is installed to the left and right sides of valve body, the inside through connection of connecting block has the regulation pole, the upper end internally mounted of valve body has the top board, the inboard through connection of top board has the second valve rod, the outside of second valve rod is provided with the bush, and the first case of the lower extreme fixedly connected with of second valve rod, the outside of first case is provided with the sealing washer, the left side of first case is provided with the second case, and the downside of first valve rod installs the second case, the upside surface of second valve rod is provided with the gear. This valve with secondary seal structure conveniently carries out the secondary to the valve and seals, has improved the leakproofness of this valve, is convenient for install the valve, has guaranteed the operating mass with rated load of this valve.

Description

Valve with secondary seal structure

Technical Field

The utility model relates to a relevant technical field of valve specifically is a valve with secondary seal structure.

Background

The valve is a mechanical device for controlling the flow, flow direction, pressure, temperature, etc. of flowing fluid medium, and is a valve which rotates around a valve core to open and close.

In general, the valve with the secondary sealing structure has unsatisfactory sealing performance, and is inconvenient to install and affect the use, so that the valve with the secondary sealing structure is provided, so as to solve the problems provided in the above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve with secondary seal structure to the general valve with secondary seal structure who provides in solving above-mentioned background art, valve seal nature is unsatisfactory, and inconvenient installs the valve, influences the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: a valve with a secondary sealing structure comprises a valve body, a valve pipe, a gear and a sealing ring, wherein a lower pressing plate is arranged inside the lower end of the valve body, a fixing bolt is connected inside the lower pressing plate in a penetrating manner, the valve pipe is arranged on the left side and the right side of the valve body, a connecting block is arranged on the outer side surface of the valve pipe, an adjusting rod is connected inside the connecting block in a penetrating manner, an upper pressing plate is arranged inside the upper end of the valve body, a locking bolt is connected inside the left side and the right side of the upper pressing plate in a penetrating manner, a second valve rod is connected inside the upper pressing plate in a penetrating manner, a handle is fixedly connected to the outer surface of the upper side of the second valve rod, a bushing is arranged outside the second valve rod, a first valve core is fixedly connected to the lower end of the second valve rod, the sealing ring is arranged outside the first valve core, and a gear is arranged on the upper side of the first valve rod.

Preferably, the lower pressing plate is in threaded connection with the fixing bolt, and the lower pressing plate is in a convex structure.

Preferably, the first valve core and the second valve core are hollow structures, and the inner diameter of each hollow structure is larger than the area of the valve pipe.

Preferably, the adjusting rod is in threaded connection with the connecting block, and the connecting block is of an arc-shaped structure.

Preferably, the first valve rod and the second valve rod are arranged in parallel, and the length of the first valve rod is smaller than that of the second valve rod.

Preferably, the first valve rod and the second valve rod are in meshed connection through a gear, and a rotating structure is formed between the first valve rod and the upper pressure plate.

Compared with the prior art, the beneficial effects of the utility model are that: the valve with the secondary sealing structure is convenient for secondary sealing of the valve, improves the sealing property of the valve, is convenient for installation of the valve and ensures the working quality of the valve;

1. the adjusting rod is in threaded connection with the connecting block, so that the valve pipe is convenient to install and fix, and the waterproof layer is fixed on the inner wall of the connecting block to prevent water leakage of the valve;

2. the handle is fixedly connected with the second valve rod, so that the second valve rod can be conveniently rotated, the first valve core is driven to rotate, the valve can be conveniently opened or closed, the sealing performance of the valve is ensured, and meanwhile, the second valve rod drives the gear on the first valve rod to rotate through the gear, so that the first valve rod rotates, and the valve is sealed secondarily;

3. the sealing ring is fixedly connected with the first valve core, so that the fluid in the valve body is prevented from leaking from the bottom of the valve body, and the outer surface of the sealing ring is provided with an anti-friction layer, so that the sealing ring is prevented from being abraded and leaking, and the sealing performance of the valve body is ensured.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of a side view structure of the valve tube and the adjusting rod of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is the utility model discloses second case and first valve rod are connected and are looked sideways at the schematic structure diagram.

In the figure: 1. a valve body; 2. a lower pressing plate; 3. a fixing bolt; 4. a first valve spool; 5. a valve tube; 6. connecting blocks; 7. adjusting a rod; 8. a second valve core; 9. a first valve stem; 10. a gear; 11. a bushing; 12. an upper pressure plate; 13. locking the bolt; 14. a second valve stem; 15. a handle; 16. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a valve with a secondary sealing structure comprises a valve body 1, a lower pressing plate 2, a fixed bolt 3, a first valve core 4, a valve pipe 5, a connecting block 6, an adjusting rod 7, a second valve core 8, a first valve rod 9, a gear 10, a bush 11, an upper pressing plate 12, a locking bolt 13, a second valve rod 14, a handle 15 and a sealing ring 16, wherein the lower pressing plate 2 is arranged inside the lower end of the valve body 1, the fixed bolt 3 is connected inside the lower pressing plate 2 in a penetrating manner, the valve pipe 5 is arranged on the left side and the right side of the valve body 1, the connecting block 6 is arranged on the outer side surface of the valve pipe 5, the adjusting rod 7 is connected inside the connecting block 6 in a penetrating manner, the upper pressing plate 12 is arranged inside the upper end of the valve body 1, the locking bolt 13 is connected inside the left side and the right side of the upper pressing plate 12 in a penetrating manner, the second, the outside of second valve rod 14 is provided with bush 11, and the lower extreme fixedly connected with first case 4 of second valve rod 14, and the outside of first case 4 is provided with sealing washer 16, and there is the right side of first case 4 to be provided with second case 8, and the upper end of second case 8 installs first valve rod 9, and the upside of first valve rod 9 is provided with gear 10.

Constitute threaded connection between holding down plate 2 and gim peg 3 as in fig. 1 and fig. 2, and holding down plate 2 is "protruding" type structure, conveniently fixes holding down plate 2, and the inside of first case 4 and second case 8 is hollow structure, and this hollow structure's internal diameter is greater than the area of valve pipe 5, prevents that the condition of leaking from appearing in the valve, adjusts and adopts threaded connection between pole 7 and the connecting block 6, and connecting block 6 is the arc structure, conveniently installs the valve.

As shown in FIG. 1, the first valve rod 9 and the second valve rod 14 are arranged in parallel, the length of the first valve rod 9 is smaller than that of the second valve rod 14, secondary sealing of the valve is facilitated, the first valve rod 9 and the second valve rod 14 are in meshed connection through the gear 10, and a rotating structure is formed between the first valve rod 9 and the upper pressure plate 12, so that the valve is opened and closed conveniently.

The working principle is as follows: when the plug valve convenient to install and replace is used, the valve body 1 is convenient to install and fix through the threaded connection between the adjusting rod 7 and the connecting block 6, the situation that the valve body 1 slides down is prevented, the waterproof layer on the connecting block 6 protects the valve body 1, and the situation of water leakage is prevented, when the plug valve is used, if the valve needs to be opened, the handle 15 can be used for driving the second valve rod 14 to rotate, the second valve rod 14 drives the first valve core 4 to rotate, the valve is opened or closed through adjusting the position of the through hole on the first valve core 4, the gear 10 is driven to rotate while the second valve rod 14 rotates, so that the first valve rod 9 rotates, the valve is sealed for the second time, the sealing ring 16 is fixedly connected with the first valve core 4 and the second valve core 8, a certain sealing effect can be achieved, and fluid inside the valve body 1 is prevented from leaking from the bottom of the valve body 1, the anti-abrasion layer on the sealing ring 16 can prevent the sealing ring 16 from being abraded, so that the working quality of the valve is ensured, and the whole process of using the plug valve convenient to install and replace is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a valve with secondary seal structure, includes valve body (1), valve pipe (5), gear (10) and sealing washer (16), its characterized in that: a lower pressing plate (2) is arranged inside the lower end of the valve body (1), a fixing bolt (3) is connected inside the lower pressing plate (2) in a penetrating manner, a valve pipe (5) is installed on the left side and the right side of the valve body (1), a connecting block (6) is arranged on the outer side surface of the valve pipe (5), an adjusting rod (7) is connected inside the connecting block (6) in a penetrating manner, an upper pressing plate (12) is installed inside the upper end of the valve body (1), a locking bolt (13) is connected inside the left side and the right side of the upper pressing plate (12) in a penetrating manner, a second valve rod (14) is connected inside the upper pressing plate (12) in a penetrating manner, a handle (15) is fixedly connected to the outer surface of the upper side of the second valve rod (14), a bushing (11) is arranged outside the second valve rod (14), a first valve core (4) is fixedly connected to the lower end of the, a second valve core (8) is arranged on the right side of the first valve core (4), a first valve rod (9) is installed at the upper end of the second valve core (8), and a gear (10) is arranged on the upper side of the first valve rod (9).

2. The valve with the secondary sealing structure of claim 1, wherein: the lower pressing plate (2) is in threaded connection with the fixing bolt (3), and the lower pressing plate (2) is of a convex structure.

3. The valve with the secondary sealing structure of claim 1, wherein: the inner parts of the first valve core (4) and the second valve core (8) are hollow structures, and the inner diameter of each hollow structure is larger than the area of the valve pipe (5).

4. The valve with the secondary sealing structure of claim 1, wherein: the adjusting rod (7) is in threaded connection with the connecting block (6), and the connecting block (6) is of an arc-shaped structure.

5. The valve with the secondary sealing structure of claim 1, wherein: the first valve rod (9) and the second valve rod (14) are arranged in parallel, and the length dimension of the first valve rod (9) is smaller than that of the second valve rod (14).

6. The valve with the secondary sealing structure of claim 1, wherein: the first valve rod (9) and the second valve rod (14) are in meshed connection through a gear (10), and a rotating structure is formed between the first valve rod (9) and the upper pressure plate (12).