CN214662207U - Magnetic locking ball valve with non-return function - Google Patents

Abstract

The utility model provides a magnetism locking ball valve with non return function belongs to valve technical field. The check valve solves the problems that the elastic pressure of the existing check valve chip can be gradually attenuated and the structural stability is poor. The valve body of the magnetic locking ball valve with the non-return function is detachably and fixedly connected with a water outlet pipe connector, a ball valve core is arranged in the valve body between the water inlet pipe connector and the water outlet pipe connector and used for controlling through flow or closure of the water inlet pipe connector and the water outlet pipe connector, a non-return assembly for preventing media from flowing backwards in the valve body is arranged in the water outlet pipe connector and comprises a non-return seat, the non-return seat is provided with a non-return valve core, the non-return seat is elastically arranged, and an adjusting device is arranged between the non-return seat and the non-return valve core. The utility model discloses a check case's elastic pressure size is adjustable, can prevent effectively that check case from receiving the elastic compression of medium for a long time to take place elastic fatigue, and the stability of non return structure is high, long service life.

Description

Magnetic locking ball valve with non-return function

Technical Field

The utility model belongs to the technical field of the valve, a magnetism locking ball valve with non return function is related to.

Background

The check valve is a valve which is automatically opened and closed by the flow of the medium and is used for preventing the medium from flowing backwards.

For example, chinese patent literature discloses a check valve [ application No.: 201621010382.7, respectively; authorization notice number: CN206112178U ], which comprises a check valve body, the check valve body comprises a check valve body, a check valve cap and a check valve core, the check valve body is arranged above the check valve core, a check flow chamber is formed between the check valve body and the check valve cap, the check valve core is arranged between the check chamber and the check valve core, one end of the check valve core passes through the other end of the check valve body and the check valve core and passes through the check valve cap, the check valve core is sleeved with a check valve water retaining skin and a check valve core sheet for fixing the check valve water retaining skin, a spring is further arranged between the check valve core sheet and the check valve body, and the spring is sleeved outside the check valve core.

In the check valve structure, the elastic pressure of the spring acting on the check valve core plate can not be adjusted, and when the check valve is used for a long time, the elastic pressure of the check valve core plate can be gradually attenuated, so that the check function of the check valve core plate is finally lost, the structural stability is poor, and the service life is short.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a structural design is reasonable, simple, and check case elastic pressure size is adjustable, avoids check case to lose non return function, stable in structure's magnetism locking ball valve that has non return function.

The purpose of the utility model can be realized by the following technical proposal: a magnetic locking ball valve with a non-return function comprises a valve body with a water inlet pipe joint, wherein a water outlet pipe joint is detachably and fixedly connected to the valve body; the check assembly comprises a check seat detachably and fixedly connected in a water outlet pipe joint, a check valve core is arranged on the check seat, the check valve core is elastically arranged, the check valve core is elastically sealed and acts in a valve body between the water inlet pipe joint and the water outlet pipe joint, and an adjusting device used for adjusting the elastic pressure of the check valve core is arranged between the check seat and the check valve core.

When the ball valve core closes the water inlet pipe joint and the water outlet pipe joint, and the valve body is in a cut-off state, the check valve core plays a role in check and sealing under the action of elastic pressure, and can effectively prevent a medium of the water outlet pipe joint from flowing backwards; when the ball valve core opens the water inlet pipe joint and the water outlet pipe joint, and the valve body is in a through-flow state, the check valve core is elastically compressed under the stamping of a medium, and the through-flow of the valve body is not hindered; the adjusting device is arranged to have the following functions: when the check valve core is elastically compressed by a medium for a long time to generate elastic fatigue, the expected elastic check sealing effect can be achieved through the adjustment of the adjusting device, and the check structure is stable.

In foretell magnetic locking ball valve with non return function, the valve body between water inlet pipe connects and the play water pipe connects in be provided with and lean on the boss, the non return case include with lean on the boss sealed lean on the circular non return main part of complex, circular non return main part on set up the displacement guide bar, displacement guide bar and non return seat direction assembly, the displacement guide bar on the cover be equipped with the compression spring that elasticity acted on circular non return main part. The purpose that sets up like this can prevent effectively that the circular non return main part of check case from taking place radial float when the axial direction displacement, and structural stability is high.

In foretell magnetic locking ball valve with non return function, the non return seat include annular outer seat and annular inner seat, annular outer seat, annular inner seat between fretwork setting, annular outer seat have the adapter sleeve that axial extension set up, outlet pipe joint in have the undergauge passageway that forms the axial and lean on a step, the adapter sleeve of annular outer seat can dismantle through the mode of spiral and connect in outlet pipe joint's undergauge passageway, and annular outer seat and axial lean on a step axial to lean on a cooperation, annular inner seat on be provided with guide through hole, guide through hole of this displacement guide bar and annular inner seat in the guide through hole direction assembly. The purpose of setting up like this is to make things convenient for non return seat and outlet pipe to connect demountable assembly, and production convenient assembling.

In the magnetic locking ball valve with the non-return function, the axial end face of the annular outer seat is embedded with the elastic rubber ring, and the elastic rubber ring acts between the annular outer seat and the axial leaning step in an elastic mode. The connection of the annular outer seat in the screw connection in the reducing channel of the water outlet pipe joint can be prevented from loosening through the elastic action of the elastic rubber ring, so that the connection stability of the check seat is improved; the elastic action of the elastic rubber ring can also finely adjust the axial assembly displacement of the connecting sleeve of the annular outer seat in the reducing channel of the water outlet pipe joint, and can finely adjust the elastic pressure of the check valve core.

In foretell magnetic locking ball valve with non return function, adjusting device adjust the seat including the annular, the annular on the seat column arch that has the axial towards the protruding setting of circular non return main part direction, the guiding hole be located the bellied middle part position of column, the bellied outer wall of column on be provided with the external screw thread, the annular adjust the inner wall of seat on be provided with the internal thread, the annular adjust the internal thread spiral of seat on the bellied external screw thread of column, the one end elasticity of the compression spring that the cover was located on the displacement guide bar is supported and is leaned on circular non return main part, compression spring's other end elasticity supports and lean on the annular adjusts the seat. The annular adjusting seat and the columnar bulges can effectively adjust the axial relative displacement of the annular adjusting seat on the columnar bulges in a threaded and spiral connection mode, and the adjustment is convenient.

In the above magnetic locking ball valve with non-return function, the diameter of the circular non-return main body is larger than that of the annular adjusting seat, and the compression spring is in a conical shape. The purpose of setting up like this is that the medium that prevents that annular adjusting seat from causing the flow resistance to the circulation in the valve body, stable in structure.

Compared with the prior art, this magnetism locking ball valve with non return function's advantage does: the check valve has the advantages of reasonable and simple structural design, adjustable elastic pressure of the check valve core, capability of effectively preventing the check valve core from being elastically fatigue due to long-term elastic compression of a medium, high stability of the check structure and long service life.

Drawings

Fig. 1 is a schematic perspective view of the magnetic latching ball valve with a check function.

Fig. 2 is a schematic cross-sectional view of the magnetic latching ball valve with a check function.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a water inlet pipe joint; 2. a valve body; 3. a water outlet pipe joint; 4. a ball valve core; 5. abutting against the boss; 6. a circular non-return body; 7. a displacement guide rod; 8. a compression spring; 9. an annular outer seat; 10. an annular inner seat; 11. connecting sleeves; 12. an elastic rubber ring; 13. an annular adjusting seat; 14. and (4) columnar bulges.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the magnetic locking ball valve with the non-return function mainly comprises a valve body 2 with a water inlet pipe connector 1, a water outlet pipe connector 3 is detachably and fixedly connected to the valve body 2, a ball valve core 4 is arranged in the valve body 2 between the water inlet pipe connector 1 and the water outlet pipe connector 3, the ball valve core 4 is used for controlling through flow or cut-off of the water inlet pipe connector 1 and the water outlet pipe connector 3, and a non-return component for preventing a medium from flowing backwards in the valve body 2 is arranged in the water outlet pipe connector 3; in actual manufacturing, the specific implementation structure of the check assembly is as follows: the check valve mainly comprises a check seat which is detachably and fixedly connected in a water outlet pipe connector 3, wherein the check seat is provided with a check valve core which is elastically arranged, and the check valve core is elastically sealed and acts in a valve body 2 between a water inlet pipe connector 1 and the water outlet pipe connector 3; specifically, the method comprises the following steps: be provided with in the valve body 2 between this inlet tube connects 1 and the outlet pipe connects 3 and lean on boss 5, the non return case mainly by with lean on boss 5 sealed lean on the circular non return main part 6 of complex to form, set up displacement guide bar 7 on the circular non return main part 6, displacement guide bar 7 and non return seat direction assembly, the cover is equipped with the compression spring 8 that the elasticity acted on circular non return main part 6 on the displacement guide bar 7.

During actual manufacturing, the specific implementation structure of the check seat is as follows: the water outlet pipe joint mainly comprises an annular outer seat 9 and an annular inner seat 10, the annular outer seat 9 and the annular inner seat 10 are arranged in a hollow manner, the annular outer seat 9 is provided with a connecting sleeve 11 which extends axially, a reducing channel which forms an axial leaning step is arranged in the water outlet pipe joint 3, the connecting sleeve 11 of the annular outer seat 9 is detachably connected in the reducing channel of the water outlet pipe joint 3 in a spiral manner, the annular outer seat 9 and the axial leaning step are in axial leaning fit, the annular inner seat 10 is provided with a guide through hole, and the displacement guide rod 7 and the guide through hole of the annular inner seat 10 are assembled in a guide manner; specifically speaking: an elastic rubber ring 12 is embedded on the axial end face of the annular outer seat 9, and the elastic rubber ring 12 acts elastically between the annular outer seat 9 and the axial leaning step.

During actual manufacturing, a regulating device for regulating the elastic pressure of the check valve core is arranged between the check seat and the check valve core; the specific implementation mode of the adjusting device is as follows: the annular adjusting seat mainly comprises an annular adjusting seat 13, a columnar bulge 14 which is arranged in a protruding mode towards the direction of the circular non-return main body 6 in the axial direction is arranged on an annular inner seat 10, a guide through hole is located in the middle of the columnar bulge 14, an external thread is arranged on the outer wall of the columnar bulge 14, an internal thread is arranged on the inner wall of the annular adjusting seat 13, the internal thread of the annular adjusting seat 13 is screwed on the external thread of the columnar bulge 14, one end of a compression spring 8 sleeved on a displacement guide rod 7 is elastically abutted to the circular non-return main body 6, and the other end of the compression spring 8 is elastically abutted to the annular adjusting seat 13; the circular non-return body 6 has a diameter greater than that of the annular adjustment seat 13 and the compression spring 8 has a conical shape.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (6)

1. A magnetic locking ball valve with a non-return function comprises a valve body (2) with a water inlet pipe joint (1), wherein a water outlet pipe joint (3) is detachably and fixedly connected to the valve body (2), a ball valve core (4) is arranged in the valve body (2) between the water inlet pipe joint (1) and the water outlet pipe joint (3), and the ball valve core (4) is used for controlling through flow or cut-off of the water inlet pipe joint (1) and the water outlet pipe joint (3), and is characterized in that a non-return assembly for preventing a medium from flowing back in the valve body (2) is arranged in the water outlet pipe joint (3); this non return subassembly links firmly the non return seat in outlet pipe connects (3) including dismantling, the non return seat on have the non return case that elasticity set up, this non return case elastic sealing acts on in valve body (2) between inlet pipe connects (1), outlet pipe connects (3), non return seat and non return case between be provided with and be used for adjusting the adjusting device of non return case elastic pressure size.

2. The magnetic locking ball valve with the non-return function according to claim 1, characterized in that a support boss (5) is arranged in the valve body (2) between the water inlet pipe joint (1) and the water outlet pipe joint (3), the non-return valve core comprises a circular non-return main body (6) which is in sealing support fit with the support boss (5), a displacement guide rod (7) is arranged on the circular non-return main body (6), the displacement guide rod (7) and the non-return seat are in guiding assembly, and a compression spring (8) which elastically acts on the circular non-return main body (6) is sleeved on the displacement guide rod (7).

3. The magnetic locking ball valve with the non-return function according to claim 2, characterized in that the non-return seat comprises an annular outer seat (9) and an annular inner seat (10), the annular outer seat (9) and the annular inner seat (10) are arranged in a hollow manner, the annular outer seat (9) is provided with a connecting sleeve (11) which is axially extended, a reducing channel which axially leans on a step is formed in the water outlet pipe joint (3), the connecting sleeve (11) of the annular outer seat (9) is detachably connected in the reducing channel of the water outlet pipe joint (3) in a spiral manner, the annular outer seat (9) and the axial lean on the step to axially lean on the step to abut against the matching, the annular inner seat (10) is provided with a guide through hole, and the guide through holes of the displacement guide rod (7) and the annular inner seat (10) are assembled in a guide manner.

4. The magnetic locking ball valve with the non-return function according to claim 3, characterized in that an elastic rubber ring (12) is embedded on the axial end face of the annular outer seat (9), and the elastic rubber ring (12) elastically acts between the annular outer seat (9) and the axial leaning step.

5. The magnetic locking ball valve with the non-return function according to claim 4, wherein the adjusting device comprises an annular adjusting seat (13), the annular inner seat (10) is provided with a cylindrical protrusion (14) which is axially protruded towards the circular non-return main body (6), the guide through hole is located in the middle of the cylindrical protrusion (14), the outer wall of the cylindrical protrusion (14) is provided with an external thread, the inner wall of the annular adjusting seat (13) is provided with an internal thread, the internal thread of the annular adjusting seat (13) is screwed on the external thread of the cylindrical protrusion (14), one end of a compression spring (8) sleeved on the displacement guide rod (7) is elastically abutted against the circular non-return main body (6), and the other end of the compression spring (8) is elastically abutted against the annular adjusting seat (13).

6. A magnetic locking ball valve with non-return function according to claim 5, characterized in that the diameter of the circular non-return body (6) is larger than the diameter of the annular adjustment seat (13), and the compression spring (8) is conical in shape.

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