CN218719035U

CN218719035U - One-way valve

Info

Publication number: CN218719035U
Application number: CN202223101964.4U
Authority: CN
Inventors: 张泽
Original assignee: Ningbo Changle Hose Clamps Co ltd
Current assignee: Ningbo Changle Hose Clamps Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-24
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a one-way valve belongs to valve technical field, include: inlet means, spool and outlet means; inlet means, case and outlet means fixed connection in proper order, the case includes separation blade and rubber pad, and the separation blade is connected on the rubber pad towards one side of outlet means, and the rubber pad is located between inlet means and the outlet means, and separation blade diameter size is greater than inlet means's entry diameter, is less than outlet means's exit diameter, the utility model discloses device simple structure is compact, easily opens convenient the washing, and preparation low cost, the setting of seal connection cover can correspond the pipeline of two kinds of different bores, and the setting of clamp makes seal connection cover can be accurate on the pipeline with one-way valve fixed connection, and the setting of spacing groove makes things convenient for inlet means, and the connection between case and the outlet means, bellied setting prevents effectively that the clamp from dropping from seal connection cover, and the seal groove plays sealed effect through the liquid cooperation case that flows.

Description

One-way valve

Technical Field

The utility model belongs to the technical field of the valve, more specifically the utility model relates to a one-way valve that says so.

Background

One-way valves, also known as check valves, are directional control valves in which fluid can only flow in one direction but not in the opposite direction. The one-way valve is also often combined with a throttle valve, a sequence valve, etc. to form a one-way throttle valve and a one-way sequence valve for use.

The prior art Chinese patent (201610226478.5) discloses a one-way valve, which has a complex structure, is easy to retain dirt, is inconvenient to clean and has high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a check valve has the advantage that device simple structure is compact, easily opens convenient the washing, low in manufacturing cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a one-way valve, comprising: inlet means, spool and outlet means; the inlet device, the valve core and the outlet device are fixedly connected in sequence, the valve core comprises a baffle and a rubber pad, the baffle is connected to one side, facing the outlet device, of the rubber pad, the rubber pad is located between the inlet device and the outlet device, and the diameter of the baffle is larger than that of an inlet of the inlet device and smaller than that of an outlet of the outlet device.

Further, the inlet device, the valve core and the outlet device are fixedly connected through a bolt and a nut in sequence.

Furthermore, limit grooves are formed in the periphery of the joint of the inlet device and the valve core and the outlet device.

Furthermore, the device also comprises two sealing connecting sleeves, wherein the two sealing connecting sleeves are respectively sleeved on the outer sides of the inlet device and the outlet device.

Furthermore, bulges are arranged at two ends of the sealing connecting sleeve.

Furthermore, the two ends of the sealing connecting sleeve are respectively sleeved with a hoop.

Further, a sealing groove is arranged on the inlet device.

Further, the rubber pad includes external fixation pad and inside seal pad, external fixation pad with inside seal pad fixed connection, entry device, external fixation pad with the export device is fixed connection in proper order.

The utility model has the advantages that:

the device is simple and compact, easily open and conveniently wash, and preparation low cost, quick detachable change, the setting of sealing connection cover can correspond the pipeline of two kinds of different bores, the setting of clamp makes sealing connection cover can be accurate with one-way valve fixed connection on the pipeline, the setting of spacing groove makes things convenient for inlet device, the connection between case and the outlet device, bellied setting prevents effectively that the clamp from dropping from sealing connection cover, the seal groove plays sealed effect through depositing the liquid cooperation case.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a connection mode of the present invention.

Fig. 2 is a second diagram of the connection mode of the present invention.

Fig. 3 is a schematic view of the inlet device of the present invention.

Fig. 4 is a schematic view of the valve element of the present invention.

Fig. 5 is a schematic view of the outlet device of the present invention.

Fig. 6 is a schematic view of the sealing connection sleeve of the present invention.

Wherein, in the figure:

1-an inlet device; 2-a valve core; 3-an outlet device; 4-a limiting groove; 5-a baffle plate; 6-rubber pad; 7-sealing the connecting sleeve; 8-bulge; and 9-clamping the hoop.

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. 1-6, the present invention provides a check valve, including: a one-way valve, comprising: inlet means 1, a cartridge 2 and outlet means 3;

through holes are correspondingly formed in the four corners of the inlet device 1, the valve core 2 and the outlet device 3, and bolts are inserted into the through holes and fixedly connected with nuts. Limiting grooves 4 are formed in the periphery of the joint of the inlet device 1, the valve core 2 and the outlet device 3, and therefore connection among the inlet device, the valve core and the outlet device is facilitated. The valve core 2 comprises a separation blade 5 and a rubber pad 6, the separation blade 5 is fixedly riveted on one side, facing the outlet device, of the rubber pad 6, the rubber pad 6 is located between the inlet device 1 and the outlet device 3, the diameter of the separation blade 5 is larger than the diameter of an inlet of the inlet device 1 and smaller than the diameter of an outlet of the outlet device 3, the rubber pad 6 comprises an external fixing pad and an internal sealing pad, the external fixing pad is fixedly connected with the internal sealing pad, the inlet device 1, the external fixing pad and the outlet device 3 are sequentially and fixedly connected, two sealing connecting sleeves 7 are arranged and are respectively sleeved on the outer sides of the inlet device 1 and the outlet device 3, and when a small-opening end of each sealing connecting sleeve is connected with a one-way valve, the other end of each sealing connecting sleeve is connected with a pipeline with a large caliber; when the large opening end of the sealing connecting sleeve is connected with the device, the other end of the sealing connecting sleeve is connected with a pipeline with a small caliber. The two ends of the sealing connecting sleeve 7 are provided with bulges 8 for preventing the clamp from falling off. The two ends of the sealing connecting sleeve 7 are respectively sleeved with a hoop 9, the hoop 9 is a threaded belt, one end of the threaded belt is fixedly connected with a fixing sleeve, the other end of the threaded belt penetrates between the threaded belt and the fixing sleeve, a rotatable screw rod is inserted into the fixing sleeve and matched with threads on the threaded belt, and the screw rod is used for fastening and loosening the connection of the sealing connecting sleeve 7 and a pipeline by rotating the screw rod; the inlet device 1 is provided with a sealing groove 10 which plays a sealing role by matching the stored liquid with the valve core 2.

When the device is installed, the inlet device 1, the valve core 2 and the outlet device 3 are connected through bolts and nuts, and the device is connected to a pipeline through the sealing connecting sleeve 7.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A one-way valve, comprising: an inlet device (1), a valve core (2) and an outlet device (3);

the inlet device (1), the valve core (2) and the outlet device (3) are fixedly connected in sequence, the valve core (2) comprises a blocking piece (5) and a rubber pad (6), the blocking piece (5) is connected to one side, facing the outlet device, of the rubber pad (6), the rubber pad (6) is located between the inlet device (1) and the outlet device (3), and the diameter of the blocking piece (5) is larger than that of an inlet of the inlet device (1) and smaller than that of an outlet of the outlet device (3).

2. The non-return valve according to claim 1, characterized in that the inlet device (1), the cartridge (2) and the outlet device (3) are in turn fixedly connected by means of a bolt and a nut.

3. The one-way valve according to claim 1, characterized in that a limiting groove (4) is provided around the junction of the inlet means (1) with the valve core (2) and the outlet means (3).

4. The one-way valve according to claim 1, further comprising two sealing connection sleeves (7), wherein the two sealing connection sleeves (7) are respectively sleeved outside the inlet device (1) and the outlet device (3).

5. One-way valve according to claim 4, wherein the sealing connecting sleeve (7) is provided with bulges (8) at both ends.

6. One-way valve according to claim 5, wherein the sealing connecting sleeve (7) is sleeved with a clamping hoop (9) at each end.

7. One-way valve according to claim 1, wherein the inlet means is provided with a sealing groove (10).

8. One-way valve according to claim 1, characterized in that said rubber gasket (6) comprises an external fixing gasket and an internal sealing gasket, said external fixing gasket being fixedly connected to said internal sealing gasket, said inlet device (1), external fixing gasket and said outlet device (3) being in turn fixedly connected.