CN213332563U

CN213332563U - Non-return valve sealing structure not easy to damage

Info

Publication number: CN213332563U
Application number: CN202022153554.9U
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 difficult damaged check valve seal structure, including valve main part, connect the through-hole, link up piece and dwang, the outside of valve main part is provided with seal ring, seal ring's inside has seted up connect the through-hole, the inside of valve main part is provided with the fluid baffle, the internal connection of sealed mounting pad has a link up piece, and links up the upside of piece and install the linking pole, the upper end of linking pole is provided with overhanging piece, and the surface of linking pole is connected with airtight circle, the apron is installed to the upside of valve main part, and the inboard of apron is provided with the dwang, the knob is installed to the upside of dwang, and the downside of dwang is provided with the limiting plate, the installation pole is installed to the downside of apron, and the internal connection of installation pole has the round bar. This difficult damaged check valve seal structure is difficult for appearing the damage, has increased the life of check valve, and is closely spent with the pipe connection, is difficult for causing the leakage.

Description

Non-return valve sealing structure not easy to damage

Technical Field

The utility model relates to a check valve technical field specifically is a difficult damaged check valve seal structure.

Background

The check valve is a valve which blocks the media from flowing backwards by the action of the self weight and the pressure of the media, and the sealing structure is always arranged to ensure the sealing performance of the check valve.

At present check valve seal structure commonly used appears damaged easily, has reduced the life of check valve, and is relatively poor with the pipe connection compactness, easily causes the leakage, consequently, the utility model provides a difficult damaged check valve seal structure to solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a difficult damaged check valve seal structure to the check valve seal structure commonly used at present who proposes in solving above-mentioned background art appears damaged easily, has reduced the life of check valve, and is relatively poor with the pipe connection compactness, easily causes the problem of leakage.

In order to achieve the above object, the utility model provides a following technical scheme: a non-breakable check valve sealing structure comprises a valve main body, a connecting through hole, a connecting block and a rotating rod, wherein a sealing gasket is arranged on the outer side of the valve main body, an extension block is arranged on the inner side of the sealing washer, a connecting through hole is arranged in the sealing washer, a fluid clapboard is arranged in the valve body, and a sealing mounting pad is arranged inside the fluid separator plate, an engagement block is connected inside the sealing mounting pad, a joint rod is arranged on the upper side of the joint block, an outward extending block is arranged at the upper end of the joint rod, an airtight ring is connected to the outer surface of the joint rod, a cover plate is arranged on the upper side of the valve main body, and the inboard of apron is provided with the dwang, the knob is installed to the upside of dwang, and the downside of dwang is provided with the limiting plate, the installation pole is installed to the downside of apron, and the internal connection of installation pole has the round bar.

Preferably, the sealing washer is arranged on the left and right sides of the central shaft of the valve body, and the extending block arranged on the sealing washer and the valve body form a clamping structure.

Preferably, the joint block and the sealing mounting pad form a clamping structure, and the sealing mounting pad is connected with the fluid baffle plate in a welding mode.

Preferably, the overhanging blocks are arranged in bilateral symmetry about the central axis of the connecting rod, and the overhanging blocks and the connecting grooves formed in the valve body form a sliding structure.

Preferably, the vertical section of the rotating rod and the limiting plate is of a T-shaped structure, and the rotating rod is in threaded connection with the cover plate.

Preferably, the round rod is connected with the mounting rod arranged on the cover plate in a penetrating manner, and the round rod is arranged at an equal angle relative to the central axis of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that: the sealing structure of the non-breakable check valve is not easy to break, prolongs the service life of the check valve, has better tightness of connection with a pipeline and is not easy to cause leakage;

1. the connection groove formed in the sealing mounting pad is obliquely arranged, so that the sealing mounting pad is favorably and tightly connected with the connection block, the impact damage of a water body to the sealing mounting pad is reduced, the sealing mounting pad is not easy to damage, the service life of the check valve is prolonged, and the economy is improved;

2. the sealing washer and the valve body are clamped and connected, so that the replacement is convenient, the tightness is maintained, and the tightness is improved;

3. through dwang and apron threaded connection, be favorable to driving the dwang through rotatory knob and rotate, restrict the sliding distance of pole that links up, and then conveniently control fluid flow's size to the practicality has been improved.

Drawings

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

FIG. 2 is a schematic side view of the connection between the sealing washer and the extension block of the present invention;

FIG. 3 is a schematic top view of the seal mounting pad and engagement block connection of the present invention;

fig. 4 is a schematic view of the overlooking structure of the installation rod and the round rod of the present invention.

In the figure: 1. a valve body; 2. a sealing gasket; 3. an extension block; 4. a connecting through hole; 5. a fluid separator; 6. a sealing mounting pad; 7. a joining block; 8. a connecting rod; 9. an overhanging block; 10. a gas tight ring; 11. a cover plate; 12. rotating the rod; 13. a rotation knob; 14. a limiting plate; 15. mounting a rod; 16. a round bar.

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 non-breakable check valve sealing structure comprises a valve main body 1, a sealing gasket 2, an extension block 3, a connecting through hole 4, a fluid partition plate 5, a sealing mounting pad 6, a connection block 7, a connection rod 8, an extension block 9, an airtight ring 10, a cover plate 11, a rotating rod 12, a rotating button 13, a limiting plate 14, a mounting rod 15 and a round rod 16, wherein the sealing gasket 2 is arranged on the outer side of the valve main body 1, the extension block 3 is arranged on the inner side of the sealing gasket 2, the connecting through hole 4 is formed in the sealing gasket 2, the fluid partition plate 5 is arranged in the valve main body 1, the sealing mounting pad 6 is arranged in the fluid partition plate 5, the connection block 7 is connected in the sealing mounting pad 6, the connection rod 8 is arranged on the upper side of the connection block 7, the extension rod 8 is provided with the extension block 9 on the upper end, the airtight ring 10 is connected on the outer surface, and the inboard of apron 11 is provided with dwang 12, and the upside of dwang 12 is installed the knob 13, and the downside of dwang 12 is provided with limiting plate 14, and installation pole 15 is installed to the downside of apron 11, and the internal connection of installation pole 15 has round bar 16.

As shown in fig. 1 and 2, the sealing washer 2 is arranged on the left and right sides of the central shaft of the valve main body 1, the extending block 3 arranged on the sealing washer 2 and the valve main body 1 form a clamping structure, so that the sealing washer 2 can be conveniently and quickly mounted and dismounted, and the tightness of the connection between the valve main body 1 and a pipeline is further maintained, and therefore the tightness is improved, as shown in fig. 1 and 3, the connecting block 7 and the sealing mounting pad 6 form a clamping structure, the sealing mounting pad 6 is connected with the fluid partition plate 5 in a welding mode, the countercurrent control of fluid is facilitated, and meanwhile, the damage degree of the sealing mounting pad 6 is reduced, and therefore the practicability is improved.

As shown in fig. 1 and 4, the overhanging blocks 9 are symmetrically arranged about the central axis of the connecting rod 8, and the overhanging blocks 9 and the connecting grooves formed in the valve body 1 form a sliding structure, which is beneficial to stably sliding the connecting rod 8 and the airtight ring 10, and further, fluid leaks from the upper portion, thereby improving stability, as shown in fig. 1, the rotating rod 12 and the limiting plate 14 form a structure with a vertical cross section of "T" shape, and the rotating rod 12 is in threaded connection with the cover plate 11, which is beneficial to driving the rotating rod 12 to rotate by rotating the rotating knob 13, further, limiting the sliding distance of the connecting rod 8, further, controlling water flow, thereby improving flexibility, as shown in fig. 1 and 4, the round rod 16 is in through connection with the mounting rod 15 arranged on the cover plate 11, and the round rod 16 is arranged at equal angles about the central axis of the valve body 1, which is beneficial to stably fixing the cover plate 11, further, thereby improving robustness.

The working principle is as follows: when the sealing structure of the non-breakable check valve is used, firstly, the sealing washer 2 is connected with the valve body 1 through the extending block 3 in a clamping way, the sealing washer 2 is convenient to replace and maintain the performance, the connecting through hole 4 is arranged on the sealing washer 2, the valve body 1 is tightly connected with a pipeline, fluid flows in from the left side of the fluid partition plate 5, the sealing mounting pad 6 is separated from the connecting block 7 due to the upward impact of fluid pressure, the extending block 9 arranged on the connecting rod 8 and the valve body 1 slide relatively to realize the same flow of the fluid, the air-tight ring 10 connected with the outer surface of the connecting rod 8 increases the air-tight degree of the check valve, the rotating knob 13 is rotated to drive the rotating rod 12, the limiting plate 14 descends along with the rotating rod, the ascending space of the connecting rod 8 is limited, the flow of the fluid is regulated, and the round rod 16 penetrates, the connection stability of the valve main body 1 and the cover plate 11 is increased, meanwhile, the disassembly is convenient, and the rapid part replacement is realized, so that the use method of the non-breakable check valve sealing structure is realized.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a difficult damaged check valve seal structure, includes valve main part (1), connect through-hole (4), links up piece (7) and dwang (12), its characterized in that: the outside of valve main part (1) is provided with seal ring (2), and the inboard of seal ring (2) installs extension piece (3), connect through hole (4) have been seted up to the inside of seal ring (2), the inside of valve main part (1) is provided with fluid baffle (5), and the internally mounted of fluid baffle (5) has sealed mounting pad (6), the internally connected with of sealed mounting pad (6) has linking piece (7), and links up the upside of piece (7) and install linking pole (8), the upper end of linking pole (8) is provided with overhanging piece (9), and the surface of linking pole (8) is connected with airtight circle (10), apron (11) are installed to the upside of valve main part (1), and the inboard of apron (11) is provided with dwang (12), knob (13) are installed to the upside of dwang (12), and the downside of dwang (12) is provided with limiting plate (14), installation pole (15) are installed to the downside of apron (11), and the internal connection of installation pole (15) has round bar (16).

2. A unbreakable check valve seal arrangement according to claim 1, wherein: the sealing washer (2) is arranged on the left and right sides of the central shaft of the valve body (1), and the extending block (3) arranged on the sealing washer (2) and the valve body (1) form a clamping structure.

3. A unbreakable check valve seal arrangement according to claim 1, wherein: the connection block (7) and the sealing mounting pad (6) form a clamping structure, and the sealing mounting pad (6) is connected with the fluid partition plate (5) in a welding mode.

4. A unbreakable check valve seal arrangement according to claim 1, wherein: the outward extending blocks (9) are arranged in bilateral symmetry about the central axis of the connecting rod (8), and the outward extending blocks (9) and a connecting groove formed in the valve main body (1) form a sliding structure.

5. A unbreakable check valve seal arrangement according to claim 1, wherein: the rotating rod (12) and the limiting plate (14) form a structure with a T-shaped vertical section, and the rotating rod (12) is in threaded connection with the cover plate (11).

6. A unbreakable check valve seal arrangement according to claim 1, wherein: the round rod (16) is connected with the mounting rod (15) arranged on the cover plate (11) in a penetrating manner, and the round rod (16) is arranged at equal angles relative to the central axis of the valve main body (1).