CN212509672U

CN212509672U - Novel check valve with protective surface

Info

Publication number: CN212509672U
Application number: CN202020911892.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Liang Jing Valve Co ltd
Current assignee: Zhejiang Liang Jing Valve Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-02-09
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a novel check valve with a protective surface, which comprises a top cover, a control mechanism and a protective mechanism, wherein the control mechanism comprises a supporting shaft, a transmission rod and a turntable, one end of the transmission rod is fixedly connected with one end of the turntable, the other end of the transmission rod is provided with a driving gear, one side of the driving gear is meshed with a driven gear, one side of the driven gear is fixedly connected with a gear shaft, the outer surface of the gear shaft is provided with a fixed frame, the middle section of the outer surface of the gear shaft is fixedly connected with a valve buckle, the upper surface of the top cover is provided with a buckle shell, the inner side of the buckle shell is provided with a limit spring, the top end of the buckle shell is provided with a buckle, the lower surface of the top cover is provided with a valve body, and the valve buckle can be controlled by, the effect of adapting to different working environments is achieved, and therefore the functional diversity and the working efficiency of the device body are improved.

Description

Novel check valve with protective surface

Technical Field

The utility model relates to the technical field of valves, specifically be a novel check valve of area guard surface.

Background

The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. It belongs to the automatic valve category, also called check valve, reflux valve or isolation valve. The valve clack motion mode is divided into lifting type and swing type. The lift check valve is similar in structure to the stop valve and only lacks a valve rod that drives the valve flap. The medium flows in from the inlet end and flows out from the outlet end. The valve is opened when the inlet pressure is greater than the sum of the weight of the flap and its flow resistance. Otherwise, the valve is closed when the medium flows backwards.

Current check valve function singleness can only just work under the medium flow produces pressure control, and unable artificial control can't satisfy the different demands of different work to cause the problem of not convenient to use, for this reason, we provide a take novel check valve of protection face.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel check valve of area protecting surface to current check valve function singleness that proposes in solving above-mentioned background art can only just can carry out work under the medium flow produces pressure control, and unable artificial control can't satisfy the different demands of different work, thereby causes the problem that is not convenient for to use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take novel check valve of protective surface, includes top cap, control mechanism and protection machanism, control mechanism includes back shaft, transfer line and carousel, the one end fixed connection of transfer line is in the one end of carousel, the other end of transfer line is provided with drive gear, one side meshing of drive gear is connected with driven gear, one side fixed connection of driven gear has the gear shaft, the surface of gear shaft is provided with the mount, the surface middle section fixed connection valve of gear shaft is detained, the upper surface of top cap is provided with the latch casing, the inboard of latch casing is provided with spacing spring, the top of latch casing is provided with the latch, the lower surface of top cap is provided with the valve body, the both ends difference fixed connection in the internal surface both sides of valve body of back shaft.

Preferably, the upper surface of valve body is provided with the top cap, the both ends of top cap all are provided with fixing bolt, the inboard of valve body is provided with the mount, the one end swing joint of mount has the valve to detain.

Preferably, the outer surface of the top cover is provided with a buckle, one end of the rear surface of the top cover is fixedly connected with a fixed column, one end of the fixed column is fixedly connected to the inner rear surface of the buckle, the inner surface of the buckle is provided with a sealing ring, the outer rear surface of the buckle is provided with a hinge, the outer front surface of the buckle is fixedly connected with a fixed block, a lever bracket and a return spring, one end of the lever bracket is provided with a lever shaft, one end of the lever bracket is movably connected with a movable rod, the upper surface of the buckle is provided with a sealing block, one end of the sealing block is fixedly connected with a sealing gasket, the sealing gasket is attached to the upper surface of the top cover, one side of the sealing block is provided with a groove, one side of the groove is provided with a transmission shaft, the outer surface of the transmission shaft is, the other end of the transmission shaft is fixedly connected with a button.

Preferably, the top cover and the upper surface of the supporting shaft are provided with holes, the transmission rod penetrates through the holes, the holes are formed in two sides of the upper surface of the bolt buckle shell, and two ends of the bolt buckle penetrate through the holes respectively.

Preferably, the number of the hinge hinges is two, the number of the sealing rings is three, and the number of the sealing blocks is two.

Preferably, the ring buckle is of an annular groove structure, the cross section of the ring buckle is of a discontinuous rectangular shape, and the sealing block is of a semicircular ring structure.

Preferably, the movable rod is of an L-shaped structure, and the cross section of the movable rod is L-shaped.

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

1. through control mechanism's effect, can carry out people for control to the valve buckle, adjust its operating condition according to the work needs, reach the effect that adapts to different operational environment, improved the function diversity and the work efficiency of device body from this.

2. Through protection mechanism's effect, can keep apart the protection to the fixing bolt who exposes at device body surface, prevent to cause rust damage because of the humidity of environment or be infected with the water stain, reach rust-resistant effect, improve the stability in use and the product quality of device body from this.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of a partially enlarged structure at a in fig. 1 according to the present invention;

fig. 3 is a schematic view of a partially enlarged structure at B in fig. 1 according to the present invention;

fig. 4 is a schematic diagram of the top view structure of the present invention;

fig. 5 is a schematic view of the partial sectional structure in fig. 4 of the present invention.

In the figure: 1. fixing the bolt; 2. a valve buckle; 3. a support shaft; 4. a top cover; 5. a valve body; 6. a transmission rod; 7. a drive gear; 8. a driven gear; 9. a fixed mount; 10. a gear shaft; 11. a limiting spring; 12. a latch housing; 13. buckling; 14. a turntable; 15. fixing a column; 16. a seal ring; 17. a fixed block; 18. a lever bracket; 19. a lever shaft; 20. a movable rod; 21. a return spring; 22. a sealing block; 23. a hinge; 24. looping; 25. a gasket; 26. a drive shaft; 27. a positioning spring; 28. a button; 29. a groove; 30. a housing.

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. 1-5, the present invention provides a technical solution: a novel check valve with a protective surface comprises a top cover 4, a control mechanism and a protective mechanism, wherein the control mechanism comprises a support shaft 3, the device comprises a transmission rod 6 and a rotary table 14, one end of the transmission rod 6 is fixedly connected to one end of the rotary table 14, the other end of the transmission rod 6 is provided with a driving gear 7, one side of the driving gear 7 is meshed with a driven gear 8, one side of the driven gear 8 is fixedly connected with a gear shaft 10, the outer surface of the gear shaft 10 is provided with a fixing frame 9, the outer surface middle section of the gear shaft 10 is fixedly connected with a valve buckle 2, the upper surface of a top cover 4 is provided with a buckle shell 12, the inner side of the buckle shell 12 is provided with a limiting spring 11, the top end of the buckle shell 12 is provided with a buckle 13, the lower surface of the top cover 4 is provided with a valve body 5, two.

In order to facilitate the normal operation of the device body, preferably, the upper surface of the valve body 5 is provided with a top cover 4, two ends of the top cover 4 are both provided with fixing bolts 1, the inner side of the valve body 5 is provided with a fixing frame 9, one end of the fixing frame 9 is movably connected with a valve buckle 2, in order to facilitate the improvement of the working efficiency of the protection device, preferably, the outer surface of the top cover 4 is provided with a ring buckle 24, one end of the rear surface of the top cover 4 is fixedly connected with a fixing column 15, one end of the fixing column 15 is fixedly connected with the inner rear surface of the ring buckle 24, the inner surface of the ring buckle 24 is provided with a sealing ring 16, the outer rear surface of the ring buckle 24 is provided with a hinge 23, the outer front surface of the ring buckle 24 is fixedly connected with a fixing block 17, a lever bracket 18 and a return spring 21, one end of the lever, sealed 25 of one end fixedly connected with of sealed block 22, sealed 25 of filling up is laminated with the upper surface of top cap 4 mutually, and one side of sealed block 22 is provided with recess 29, and one side of recess 29 is provided with transmission shaft 26, and the surface of transmission shaft 26 is provided with positioning spring 27, and positioning spring 27's surface is provided with shell 30, the other end fixedly connected with button 28 of transmission shaft 26.

In order to facilitate normal work of the control mechanism, preferably, holes are formed in the upper surfaces of the top cover 4 and the support shaft 3, the transmission rod 6 penetrates through the holes, the holes are formed in two sides of the upper surface of the bolt buckle shell 12, two ends of the bolt buckle 13 penetrate through the holes respectively, in order to facilitate improvement of the sealing performance of the protection mechanism, preferably, the number of the hinge hinges 23 is two, the number of the sealing rings 16 is three, the number of the sealing blocks 22 is two, in order to facilitate normal work of the protection mechanism, preferably, the ring buckle 24 is of an annular groove structure, the sectional shape of the ring buckle is discontinuous rectangle, the sealing blocks 22 are of a semicircular ring structure, in order to facilitate improvement of the working efficiency of the protection mechanism, preferably, the movable rod 20 is of an L-shaped structure, and.

The working principle is as follows: when the worker needs to work under the state that the device body is kept smooth, the rotating disc 14 is rotated to make the rotating disc do circular motion, the transmission rod 6 is driven to do the rotary motion under the rotating action of the rotating disc, the driving gear 7 is driven to do horizontal circular motion under the rotating action of the transmission rod 6, the driven gear 8 is driven to do vertical circular motion through meshing connection under the rotating action of the driving gear 7, the gear shaft 10 is driven to rotate under the fixed connection action, the valve buckle 2 is driven to do sector motion by taking one end as the circle center through the fixed connection action until the other end of the valve buckle 2 reaches the highest position, the toggle bolt buckle 13 moves to one side and is attached to the upper surface of the rotating disc 14, so that the continuous rotation of the rotating disc 14 is limited, when the device body needs to work normally, the rotating disc 14 is pulled upwards, the driving gear 7 is driven to move upwards under the transmission action, until the driving gear 7 and the driven gear 8 are completely separated, the toggle latch 13 moves to one side and is jointed with the lower surface of the rotary table 14, the driving gear 7 and the driven gear 8 are kept not to be contacted with each other, the device body can normally work under the state, when a worker needs to use the device body, two sides of the outer surface of the buckle 24 are toggled to move under the connecting action of the hinge 23 until the device body is completely closed, one end of the movable rod 20 is pressed at the moment, the other end of the movable rod 20 moves to the opposite direction under the action of the fulcrum of the lever bracket 18, after the buckle 24 is completely closed, the press on the movable rod 20 is cancelled, one end of the movable rod 20 moves to one side under the action of the rebound force of the reset spring 21, the other end of the movable rod 20 moves to the opposite direction similarly, until the buckle is jointed with the fixed block 17, the button 28 is pulled to move to one side, drive transmission shaft 26 to homonymy displacement under button 28's displacement effect, press the upper surface of sealed piece 22, make its downward displacement, until the mutual block of one end and recess 29 of transmission shaft 26, reach sealed effect under the effect of sealed pad 25, fixing bolt 1 reaches relative isolation state with the external world under 24's the protection of latch closure this moment, reaches the rust-resistant effect of protection from this.

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 novel check valve of area protective surface, includes top cap (4), control mechanism and protection machanism, its characterized in that: the control mechanism comprises a supporting shaft (3), a transmission rod (6) and a rotary table (14), one end of the transmission rod (6) is fixedly connected to one end of the rotary table (14), a driving gear (7) is arranged at the other end of the transmission rod (6), a driven gear (8) is meshed and connected to one side of the driving gear (7), a gear shaft (10) is fixedly connected to one side of the driven gear (8), a fixing frame (9) is arranged on the outer surface of the gear shaft (10), a valve buckle (2) is fixedly connected to the middle section of the outer surface of the gear shaft (10), a buckle shell (12) is arranged on the upper surface of the top cover (4), a limiting spring (11) is arranged on the inner side of the buckle shell (12), a buckle (13) is arranged at the top end of the buckle shell (12), and a valve body (5), and the two ends of the supporting shaft (3) are respectively and fixedly connected to the two sides of the inner surface of the valve body (5).

2. The novel check valve with the protective surface as claimed in claim 1, wherein: the upper surface of valve body (5) is provided with top cap (4), the both ends of top cap (4) all are provided with fixing bolt (1), the inboard of valve body (5) is provided with mount (9), the one end swing joint of mount (9) has valve to detain (2).

3. The novel check valve with the protective surface as claimed in claim 1, wherein: the outer surface of the top cover (4) is provided with a buckle (24), one end of the rear surface of the top cover (4) is fixedly connected with a fixed column (15), one end of the fixed column (15) is fixedly connected to the inner side rear surface of the buckle (24), a sealing ring (16) is arranged on the inner surface of the buckle (24), a hinge (23) is arranged on the outer side rear surface of the buckle (24), a fixed block (17), a lever bracket (18) and a reset spring (21) are fixedly connected to the outer side front surface of the buckle (24), one end of the lever bracket (18) is provided with a lever shaft (19), one end of the lever bracket (18) is movably connected with a movable rod (20), the upper surface of the buckle (24) is provided with a sealing block (22), one end of the sealing block (22) is fixedly connected with a sealing gasket (25), and the sealing gasket (25) is attached to the upper surface of the top cover, one side of sealed piece (22) is provided with recess (29), one side of recess (29) is provided with transmission shaft (26), the surface of transmission shaft (26) is provided with positioning spring (27), positioning spring's (27) surface is provided with shell (30), the other end fixedly connected with button (28) of transmission shaft (26).

4. The novel check valve with the protective surface as claimed in claim 1, wherein: holes are formed in the upper surfaces of the top cover (4) and the supporting shaft (3), the transmission rod (6) penetrates through the holes, holes are formed in the two sides of the upper surface of the bolt buckle shell (12), and two ends of the bolt buckle (13) penetrate through the holes respectively.

5. The novel check valve with a protective surface of claim 3, wherein: the number of the hinge hinges (23) is two, the number of the sealing rings (16) is three, and the number of the sealing blocks (22) is two.

6. The novel check valve with a protective surface of claim 3, wherein: the ring buckle (24) is of an annular groove structure, the cross section of the ring buckle is in a discontinuous rectangular shape, and the sealing block (22) is of a semicircular ring structure.

7. The novel check valve with a protective surface of claim 3, wherein: the movable rod (20) is of an L-shaped structure, and the cross section of the movable rod is L-shaped.