CN210240646U - Manual reversing valve convenient to disassemble and assemble - Google Patents

Abstract

The utility model relates to a manual switching-over valve convenient to dismouting, including valve body, case and drive handle, the valve body includes left valve body, right valve body and lid, links firmly through the hoop between left valve body, right valve body and the lid, and integrated into one piece has the actuating lever on the case, is equipped with the uide bushing on the lid, and the drive handle includes adapter sleeve, handle and connector, and adapter sleeve threaded connection is on the uide bushing, and threaded connection has the closing cap on the connector, is equipped with the ring channel on the actuating lever that stretches out the adapter sleeve top, is equipped with the annular gasket of compriseing two semicircles in. Divide into independent left valve body, right valve body and lid with the valve body, link firmly through the hoop between left valve body, right valve body and the lid, assembly and disassembly is simple, and is convenient, swift, can change alone after certain valve body damages, and need not whole change, avoids causing unnecessary extravagant, through with the valve body components of a whole that can function independently design, the change of the inside spare part of also being convenient for moreover.

Description

Manual reversing valve convenient to disassemble and assemble

Technical Field

The utility model relates to a switching-over valve, concretely relates to manual switching-over valve convenient to dismouting.

Background

The reversing valve is a directional control valve with more than two flow forms and more than two oil ports. The valve realizes the communication, cut-off and reversal of hydraulic oil flow, pressure unloading and sequential action control. The valve body of the existing reversing valve is of an integrally formed structure, and is inconvenient to disassemble and assemble after part of parts are damaged.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides a manual reversing valve convenient to dismouting.

The utility model adopts the technical proposal that: the utility model provides a manual reversing valve convenient to dismouting, includes valve body, case and driving handle, the valve body include left valve body, right valve body and lid, the both ends of left side valve body, the both ends of right valve body and the both ends of lid are equipped with the connection step, link firmly through the hoop between left side valve body, right valve body and the lid, the case on integrated into one piece have the actuating lever, be equipped with the uide bushing on the lid, driving handle include adapter sleeve, handle and connector, adapter sleeve threaded connection is on the uide bushing, the connector on threaded connection have the closing cap, but the actuating lever mobile right valve body, lid and adapter sleeve of passing in proper order stretch out from the adapter sleeve top, be equipped with the ring channel on the actuating lever that stretches out the adapter sleeve top, be equipped with the annular gasket of constituteing by.

Furthermore, the hoop including articulated left semi-ring and right semi-ring together, all be equipped with two stabilizer blades on the left end of left side semi-ring and the right-hand member of right semi-ring, wherein be fixed with the pivot between two stabilizer blades of right semi-ring, swivelling joint has external screw thread pole on the pivot, threaded connection locking head on the external screw thread pole.

Furthermore, the inner side surfaces of the left half ring and the right half ring are respectively provided with a clamping groove for clamping a connecting step, and one side of the connecting step is provided with an inclined surface inclined by 10-15 degrees.

Further, be equipped with first medium import, first medium export, the first connector of mutual intercommunication on the valve body of a left side, the valve body of the right side on be equipped with second medium export, second connector, the third connector of mutual intercommunication, the left end of valve body of the right side extends there is first linkage segment, the linkage segment stretches and is equipped with first seal groove, first seal groove is embedded to have first sealing washer, first linkage segment stretch into in the first connector.

Furthermore, the cover body is further provided with a second connecting section extending into the third connecting port, a second sealing groove is formed in the second connecting section, and a second sealing ring is embedded in the second sealing groove.

Furthermore, third sealing rings are arranged on two sides of the valve core, a first sealing surface is arranged in the valve cavity on the left side of the first medium inlet, and a second sealing surface is arranged at the opening of the first connecting section.

Furthermore, the connecting sleeve is provided with a positioning hole, and a locking screw is arranged in the positioning hole.

The utility model has the advantages that: the utility model discloses divide into independent left valve body, right valve body and lid with the valve body, link firmly through the hoop between left valve body, right valve body and the lid, the assembly and disassembly is simple, and is convenient, swift, can change alone after certain valve body damages, and need not whole change, avoids causing unnecessary extravagant, through with the valve body components of a whole that can function independently design, the change of the inside spare part of also being convenient for has simple structure, the advantage of the equipment of being convenient for moreover.

Drawings

Fig. 1 is a schematic connection diagram of a left valve body, a right valve body and a cover body.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the cover body and the seal cover.

FIG. 4 is a top view of an annular shim.

Figure 5 is a schematic hoop deployment.

Figure 6 is a schematic hoop tightening diagram.

In the figure: 1. a valve core; 2. a left valve body; 3. a right valve body; 4. a cover body; 5. connecting steps; 6. a hoop; 7. a drive rod; 8. a guide sleeve; 9. connecting sleeves; 10. a handle; 11. a connector; 12. sealing the cover; 13. an annular groove; 14. an annular gasket; 15. a left half ring; 16. a right half ring; 37. a support leg; 17. a rotating shaft; 18. an externally threaded rod; 19. a locking head; 20. a card slot; 21. a bevel; 22. a first medium inlet; 23. a first medium outlet; 24. a first connection port; 25. a second medium outlet; 26. a second connection port; 27. a third connection port; 28. a first connection section; 29. a first seal groove; 30. a second connection section; 31. a second seal groove; 32. a third seal ring; 33. a first sealing surface; 34. a second sealing surface; 35. positioning holes; 36. and locking the screw.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a manual reversing valve convenient to dismouting.

In the embodiment, referring to fig. 1 to 6, the manual reversing valve convenient to disassemble and assemble comprises a valve body, a valve core 1 and a driving handle, wherein the valve body comprises a left valve body 2, a right valve body 3 and a cover body 4, two ends of the left valve body 2, two ends of the right valve body 3 and two ends of the cover body are provided with connecting steps 5, the left valve body, the right valve body and the cover body are fixedly connected through a hoop 6, the valve core 1 is integrally formed with a driving rod 7, the cover body 4 is provided with a guide sleeve 8, the driving handle comprises a connecting sleeve 9, a handle 10 and a connector 11, the connecting sleeve 9 is in threaded connection with the guide sleeve 8, the connector 11 is in threaded connection with a sealing cover 12, the driving rod 7 sequentially and movably penetrates through the right valve body 3, the cover body 4 and the connecting sleeve 9 and extends out of the top of the connecting sleeve 9, an annular gasket 14 consisting of two semicircles is arranged in the annular groove 13.

After the technical scheme is adopted, the valve body is divided into the independent left valve body, the independent right valve body and the independent cover body, the left valve body, the independent right valve body and the independent cover body are fixedly connected through the hoop, the assembling and disassembling are simple, convenient and quick, the valve body can be independently replaced after being damaged, the whole replacement is not needed, unnecessary waste is avoided, and in addition, the valve body is designed in a split mode, and the replacement of internal parts is also convenient. Wherein, the valve rod passes right valve body, lid and adapter sleeve to through the restriction of annular gasket on the lid, then compress tightly through the closing cap, simple structure, the equipment is convenient.

The hoop include articulated left semi-ring 15 and right semi-ring 16 together, all be equipped with two stabilizer blades 37 on the left end of left semi-ring 15 and the right end of right semi-ring 16, wherein be fixed with pivot 17 between two stabilizer blades 37 of right semi-ring 16, external screw thread pole 18 is connected in the rotation on pivot 17, threaded connection locking head 19 on the external screw thread pole 18.

The inner side surfaces of the left half ring 15 and the right half ring 16 are respectively provided with a clamping groove 20 for clamping a connecting step, and one side of the connecting step 5 is provided with an inclined surface 21 inclined by 10-15 degrees.

The inclined surface 21 with the angle of 10-15 degrees is arranged, so that the connecting step can be conveniently clamped into the clamping groove, and the locking head can be slowly locked by rotating.

A first medium inlet 22, a first medium outlet 23 and a first connecting port 24 which are mutually communicated are arranged on the left valve body 2, a second medium outlet 25, a second connecting port 26 and a third connecting port 27 which are mutually communicated are arranged on the right valve body 3, a first connecting section 28 extends from the left end of the right valve body 3, a first sealing groove 29 is formed in the connecting section in an extending manner, a first sealing ring is embedded in the first sealing groove, and the first connecting section 28 extends into the first connecting port 24; the cover body 4 on still be equipped with the second linkage segment 30 that stretches into the third connector 27, be equipped with second seal groove 31 on the second linkage segment 30, the second seal groove is embedded to have the second sealing washer.

Through setting up first linkage segment and second linkage segment to set up the sealing washer that corresponds on first linkage segment and second linkage segment, guarantee the sealing performance between left valve body, right valve body and the lid, avoid appearing leaking.

Third sealing rings 32 are arranged on two sides of the valve core 1, a first sealing surface 33 is arranged in the valve cavity positioned on the left side of the first medium inlet, and a second sealing surface 34 is arranged at the opening of the first connecting section; the connecting sleeve is provided with a positioning hole 35, and a locking screw 36 is arranged in the positioning hole 35. After the reversing valve is reversed, the connecting sleeve and the guide sleeve are locked through the locking screw, so that misoperation is avoided.

The reversing principle of the reversing valve is as follows: the driving handle is rotated to control the valve core to move left, so that the left side surface of the valve core is abutted against the first sealing surface to realize sealing, and the first medium outlet and the second medium outlet are communicated; the valve core is controlled by rotating the driving handle to move, so that the right side surface of the valve core is abutted against the second sealing surface to realize sealing, the first medium outlet and the first medium inlet are communicated, the whole operation is simple, and the control is convenient.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims (7)

1. The utility model provides a manual reversing valve convenient to dismouting, includes valve body, case and driving handle, its characterized in that: the valve body include left valve body, right valve body and lid, the both ends of left valve body, right valve body and the both ends of lid are equipped with the connection step, link firmly through the hoop between left side valve body, right valve body and the lid, the case on integrated into one piece have the actuating lever, be equipped with the uide bushing on the lid, the drive handle include adapter sleeve, handle and connector, adapter sleeve threaded connection is on the uide bushing, the connector on threaded connection have the closing cap, the actuating lever in proper order mobile pass right valve body, lid and adapter sleeve and stretch out from the adapter sleeve top, stretch out and be equipped with the ring channel on the actuating lever at adapter sleeve top, be equipped with the annular gasket by two semicircle constitutions in the ring channel.

2. The easy-to-disassemble manual directional valve of claim 1, wherein: the hoop including articulated left semi-ring and right semi-ring together, all be equipped with two stabilizer blades on the left end of left side semi-ring and the right-hand member of right semi-ring, be fixed with the pivot between two stabilizer blades of right semi-ring wherein, swivelling joint has external screw thread pole in the pivot, threaded connection locking head on the external screw thread pole.

3. The easy-to-disassemble and assemble manual directional valve as claimed in claim 2, wherein: the inner side surfaces of the left half ring and the right half ring are respectively provided with a clamping groove for clamping a connecting step, and one side of the connecting step is provided with an inclined surface inclined by 10-15 degrees.

4. The easy-to-disassemble manual directional valve of claim 1, wherein: be equipped with first medium import, first medium export, the first connector of mutual intercommunication on the valve body of a left side, the valve body of the right side on be equipped with second medium export, second connector, the third connector of mutual intercommunication, the left end of valve body of the right side extends there is first linkage segment, the linkage segment stretches and is equipped with first seal groove, first seal groove is embedded to have first sealing washer, first linkage segment stretch into in the first connector.

5. The easy-to-disassemble manual directional valve of claim 4, wherein: the lid on still be equipped with the second linkage segment that stretches into the third connector, be equipped with the second seal groove on the second linkage segment, the second seal groove is embedded to have the second sealing washer.

6. The easy-to-disassemble manual directional valve of claim 4, wherein: and third sealing rings are arranged on two sides of the valve core, a first sealing surface is arranged in the valve cavity positioned on the left side of the first medium inlet, and a second sealing surface is arranged at the opening of the first connecting section.

7. The easy-to-disassemble manual directional valve of claim 4, wherein: the connecting sleeve is provided with a positioning hole, and a locking screw is arranged in the positioning hole.

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