阅读说明：本技术 一种三通阀门 (Three-way valve ) 是由 夏庆威 姚凯 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种三通阀门,包括三通阀门主体,所述三通阀门主体的两端与下端均设置有接口,所述接口的内部螺纹连接有外界管道,所述三通阀门主体的上端外表面设置有手柄,所述接口的内部与外界管道相对应的位置开设有进液腔体,所述接口的内表面开设有出液口,所述接口的一侧开设有螺纹孔,且螺纹孔贯穿进液腔体至接口的内壁上,所述螺纹孔内设置有导油密封组件,且导油密封组件用于将润滑剂导入到进液腔体内,所述手柄的内部开设有收纳槽,所述手柄远离三通阀门主体的一端活动连接有延长柄,且延长柄的内部开设有储液槽；便于对外界管道与接口的连接处起到润滑的作用,从而便于外界管道能够在接口处拧动拆卸。(The invention discloses a three-way valve which comprises a three-way valve main body, wherein two ends and the lower end of the three-way valve main body are respectively provided with a connector, the inside of each connector is in threaded connection with an external pipeline, the outer surface of the upper end of the three-way valve main body is provided with a handle, a liquid inlet cavity is formed in the connector corresponding to the external pipeline, a liquid outlet is formed in the inner surface of each connector, one side of each connector is provided with a threaded hole, the threaded hole penetrates through the liquid inlet cavity to the inner wall of each connector, an oil guide sealing assembly is arranged in the threaded hole and is used for guiding a lubricant into the liquid inlet cavity, a containing groove is formed in the handle, one end, far away from the three-way valve main body, of the handle is movably connected with an extension handle, and a liquid storage groove is formed in the extension handle; the joint between the external pipeline and the interface is lubricated, so that the external pipeline can be screwed and disassembled at the interface.)

1. The utility model provides a three-way valve, includes three-way valve main part (1), its characterized in that: the both ends and the lower extreme of tee bend valve main part (1) all are provided with interface (2), the inside threaded connection of interface (2) has external pipeline (6), the upper end surface of tee bend valve main part (1) is provided with handle (4), feed liquor cavity (7) have been seted up with external pipeline (6) corresponding position in the inside of interface (2), liquid outlet (8) have been seted up to the internal surface of interface (2), threaded hole (21) have been seted up to one side of interface (2), and threaded hole (21) run through on the inner wall of feed liquor cavity (7) to interface (2), be provided with in screw hole (21) and lead oil seal assembly (5), and lead oil seal assembly (5) and be used for leading-in emollient to in feed liquor cavity (7), the inside of handle (4) has been seted up and has been accomodate groove (13), the one end swing joint that tee bend valve main part (1) was kept away from in handle (4) has extension handle (15), and reservoir (12) have been seted up to the inside of extension handle (15), extension handle (15) are close to the one end inside of handle (4) and have seted up rotation groove (11), the inside of rotating groove (11) is provided with the dwang, fixed slot (14) have been seted up with the corresponding position symmetry in dwang both ends in handle (4), and fixed slot (14) with accomodate groove (13) and communicate with each other, the both ends of dwang are located the inside of fixed slot (14), reservoir (12) inside is deposited there is emollient, and reservoir (12) are through leading oil tubule (10) with emollient leading-in to in leading oil seal assembly (5), be provided with extrusion flowing back subassembly (9) on extension handle (15), and extrusion flowing back subassembly (9) are used for extrudeing the emollient of reservoir (12) inside in leading oil tubule (10).

2. The three-way valve according to claim 1, wherein: the extrusion liquid drainage assembly (9) comprises an elastic cavity bag (91), a T-shaped extrusion block (92), a fixed cylinder (93) and an extrusion rod (94), an arc-shaped extrusion groove (151) is formed in the middle of the rotating groove (11), one end of the arc-shaped extrusion groove (151) is communicated with the liquid storage groove (12), the elastic cavity bag (91) is arranged inside the liquid storage groove (12), one end, far away from the arc-shaped extrusion groove (151), of the elastic cavity bag (91) is fixedly connected to the side wall of the liquid storage groove (12), the other end of the elastic cavity bag is in sliding contact with the inner wall of the liquid storage groove (12), the T-shaped extrusion block (92) is arranged inside the arc-shaped extrusion groove (151) in a sliding mode, one end of the T-shaped extrusion block (92) is in contact with the outer wall of the elastic cavity bag (91), the fixed cylinder (93) is fixedly arranged on the rotating rod, and the extrusion rod (94) is connected inside the fixed cylinder (93) in a sliding mode through a spring, the outer end of the extrusion rod (94) is in sliding extrusion contact with the outer end of the T-shaped extrusion block (92).

3. The three-way valve according to claim 1, wherein: lead oily seal assembly (5) including threaded rod (51), toper tool bit (52) and sealing plug (53), threaded rod (51) threaded connection is in screw hole (21), and threaded rod (51) bottom is connected with toper tool bit (52), and the outer lane wall contact of the toper tip of toper tool bit (52) and external pipeline (6), ladder chamber (511) have been seted up in threaded rod (51), and the epicoele diameter of ladder chamber (511) is less than its cavity diameter of resorption, and ladder chamber (511) epicoele wall department aligns with oil guide (10) mouth of pipe and has seted up the tubule inlet, and has seted up the oil drain hole on the chamber wall of the cavity of ladder chamber (511), and a plurality of oil drain holes and feed liquor cavity (7) intercommunication, there is sealing plug (53) at the junction of the epicoele of ladder chamber (511) and epicoele through spring and internal thread pipe (3) sliding connection, and internal thread pipe (3) are connected between sealing plug (53) and the spring, and the sealing plug (53) serves to separate the upper and lower chambers of the stepped chamber (511).

4. A three-way valve according to claim 3, wherein: the oil guide sealing assembly (5) further comprises a T-shaped connecting rod (54), a guide cylinder (55), a telescopic guide rod (56), an external thread sealing ring (57) and a rotating ring (58), a guide sliding groove (512) is formed in the bottom end of the threaded rod (51), the T-shaped connecting rod (54) is arranged in the guide sliding groove (512) in a sliding mode, the bottom end of the T-shaped connecting rod (54) is fixedly connected to the conical cutter head (52), the conical cutter head (52) is in sliding contact with the bottom end of the threaded rod (51), the bottom end of the sealing plug (53) is connected with the guide cylinder (55), the bottom end of the guide cylinder (55) is inserted into the guide sliding groove (512) in a sliding mode, a sliding hole is formed in the sliding hole, a thread groove is formed in the sliding hole, the external thread sealing ring (57) is connected to the sliding hole through the telescopic guide rod (56) in a threaded mode, a torsion cap (513) is arranged at the upper end of the threaded rod (51), and twist reverse the inside of cap (513) and offer the screw thread through-hole, and the top of screw thread through-hole has seted up rotatory chamber, sliding connection between lower section pole and the upper segment pole of flexible guide arm (56), and its lower section pole bottom is connected to on external thread sealing ring (57), and lower section pole outer wall sets up the thread groove, the upper segment pole of flexible guide arm (56) runs through in the screw thread through-hole, and its top is connected with swivel becket (58), swivel becket (58) rotate to install in the rotatory chamber, the thread groove and the screw thread through-hole screw-thread fit connection of the lower section pole of flexible guide arm (56), rotatable threaded connection of external thread sealing ring (57) is connected to inside internal thread pipe (3) above sealing plug (53), and the bottom outer wall of internal thread pipe (3) has evenly seted up a plurality of through-holes.

5. The three-way valve according to claim 1, wherein: the cross-sectional area of the accommodating groove (13) is the same as that of the extension handle (15), and the accommodating groove (13) is movably connected with the extension handle (15).

6. The three-way valve according to claim 1, wherein: handle (4) keep away from one end upper end outer fixed surface of fixed slot (14) and be connected with connecting block (19), the quantity of connecting block (19) is two, and its central symmetric distribution about handle (4), two cell body (17), two have all been seted up to the corresponding one side of connecting block (19) the inside of cell body (17) is provided with cardboard (18), cardboard (18) are T type structure, torsion spring (16) have been cup jointed at the both ends of cardboard (18), torsion spring (16) are located the inside of cell body (17), the one end and cardboard (18) fixed connection of torsion spring (16), and its other end and connecting block (19) fixed connection, the one end of cardboard (18) extends to the upper end of accomodating groove (13).

Technical Field

The invention relates to the technical field of valves, in particular to a three-way valve.

Background

The three-way valve is a control component in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and the like, is mainly used for changing the direction of fluid and is used at a branch pipe of a main pipeline, has T-shaped and Y-shaped shapes, has an equal-diameter pipe orifice and a reducing pipe orifice, is an important pipe fitting in pipeline engineering, and is highly concerned by a plurality of manufacturers due to wide application and wide industrial range.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. for the three-way valve made of metal, the three-way valve is corroded and oxidized in the long-time use process, so that the use is influenced, and the three-way valve is required to be disassembled and replaced, and the three-way valve corroded and oxidized is not easy to disassemble, so that the labor intensity is increased; 2. because the difference of installation scene, some three-way valves need to be installed in the corner, in order to facilitate rotatory three-way valve usually can set up the handle of fixed length, but can lead to three-way valve can not rotate wantonly because the handle overlength when using in the corner to influence three-way valve's use.

Therefore, a three-way valve is provided.

Disclosure of Invention

The present invention is directed to a three-way valve, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a three-way valve comprises a three-way valve body, wherein the two ends and the lower end of the three-way valve body are respectively provided with a connector, the inner part of each connector is in threaded connection with an external pipeline, the outer surface of the upper end of the three-way valve body is provided with a handle, a liquid inlet cavity is arranged at the position, corresponding to the external pipeline, inside the connector, a liquid outlet is arranged on the inner surface of the connector, one side of each connector is provided with a threaded hole, the threaded hole penetrates through the liquid inlet cavity to the inner wall of the connector, an oil guide sealing assembly is arranged in the threaded hole and is used for guiding lubricant into the liquid inlet cavity, a storage groove is arranged inside the handle, one end, away from the three-way valve body, of the handle is movably connected with an extension handle, a liquid storage groove is arranged inside the extension handle, a rotating groove is arranged inside one end, close to the handle, a rotating rod is arranged in the rotating groove, fixing grooves are symmetrically formed in the positions, corresponding to the two ends of the rotating rod, of the handle, the fixing grooves are communicated with the accommodating groove, the two ends of the rotating rod are located in the fixing grooves, a lubricant is stored in the liquid storage tank, the lubricant is guided into the oil guide sealing assembly by the liquid storage tank through the oil guide thin tube, an extrusion liquid drainage assembly is arranged on the extending handle, and the extrusion liquid drainage assembly is used for extruding the lubricant in the liquid storage tank into the oil guide thin tube; when the three-way valve is in work, when the three-way valve which is rusted and oxidized needs to be replaced and is inconvenient to screw, at the moment, an operator can take the extension handle out of the containing groove of the handle, then clockwise rotate the extension handle to enable the extension handle to rotate around the rotating rod, so that the lubricant in the liquid storage tank is extruded to enter the oil guide thin tube by the extrusion liquid drainage assembly, then enter the liquid inlet cavity through the oil guide sealing assembly, then the lubricant is immersed into the joint of the interface and the external pipeline through the liquid outlet, so that the joint of the external pipeline and the interface is lubricated conveniently, the external pipeline can be screwed and disassembled at the interface conveniently, if the problem that the three-way valve which is arranged at the corner of the wall body cannot rotate randomly occurs, at the moment, the operator can hold the extension handle which is rotated and opened from the containing groove, then the operator anticlockwise rotates the extension handle, so that the extension handle can be driven to rotate by the extension handle, thereby be convenient for the three way valve to open, the unable rotatory problem wantonly of three way valve who installs at wall body corner can be fine avoided.

Preferably, the extrusion drainage component comprises an elastic cavity bag, a T-shaped extrusion block, a fixed cylinder and an extrusion rod, an arc-shaped extrusion groove is formed in the middle of the rotating groove, one end of the arc-shaped extrusion groove is communicated with the liquid storage groove, the elastic cavity bag is arranged in the liquid storage groove, one end, far away from the arc-shaped extrusion groove, of the elastic cavity bag is fixedly connected to the side wall of the liquid storage groove, the other end of the elastic cavity bag is in sliding contact with the inner wall of the liquid storage groove, the T-shaped extrusion block is arranged in the arc-shaped extrusion groove in a sliding mode, one end of the T-shaped extrusion block is in contact with the outer wall of the elastic cavity bag, the fixed cylinder is fixedly arranged on the rotating rod, the interior of the fixed cylinder is in sliding connection with the extrusion rod through a spring, and the outer end of the extrusion rod is in sliding extrusion contact with the outer end of the T-shaped extrusion block; when the lubricant feeding device works, when lubricant in the liquid storage tank needs to be fed into the liquid inlet cavity, an operator opens the extension handle from the containing groove anticlockwise, the extrusion rod arranged on the rotating rod can be compressed into the fixed cylinder by the extension handle part, when the arc-shaped extrusion groove rotates to be aligned with the extrusion rod arranged on the rotating rod, the spring in the fixed cylinder can push the extrusion rod to extrude the outer wall of the T-shaped extrusion block, so that the T-shaped extrusion block can extrude the elastic cavity bag, the lubricant in the elastic cavity bag can be guided into the liquid inlet cavity through the oil guide thin tube and the check valve arranged on the oil guide thin tube, and then the lubricant is immersed into a joint of the interface and an external pipeline through the liquid outlet, therefore, the operator can frequently and slowly rotate the extension handle, the lubricant in the elastic cavity bag can intermittently enter the liquid inlet cavity, and the lubricant flowing out of the liquid outlet can be slowly immersed into the interface, the lubricant is prevented from flowing into the liquid inlet cavity too fast, so that the pressure in the liquid inlet cavity is increased, and the lubricating effect of the lubricant is prevented from being influenced; the side wall of the liquid storage tank is provided with an oil filling hole which can supplement lubricant into the elastic cavity bag.

Preferably, the oil guide sealing assembly comprises a threaded rod, a conical cutter head and a sealing plug, the threaded rod is connected into the threaded hole in a threaded manner, the bottom end of the threaded rod is connected with the conical cutter head, the conical end of the conical cutter head is in contact with the outer ring wall of an external pipeline, a stepped cavity is formed in the threaded rod, the diameter of an upper cavity of the stepped cavity is smaller than that of a lower cavity of the stepped cavity, a liquid inlet is formed in the position, aligned with the pipe orifice of the oil guide thin pipe, of the upper cavity of the stepped cavity, an oil discharge hole is formed in the cavity wall of the lower cavity of the stepped cavity, the oil discharge holes are communicated with the liquid inlet cavity, the connecting position of the upper cavity of the stepped cavity and the lower cavity of the stepped cavity is connected with the sealing plug in a sliding mode through a spring and an internal thread pipe, the internal thread pipe is connected between the sealing plug and the spring, and the sealing plug is used for separating the upper cavity and the lower cavity of the stepped cavity;

when the oil guide device works, an operator firstly connects the threaded rod into the threaded hole in a threaded manner, and the conical cutter head at the bottom end of the threaded rod is contacted with the outer ring wall of an external pipeline connected to the interface, at the moment, the liquid inlet on the side wall of the upper cavity of the stepped cavity is aligned with the pipe orifice of the oil guide thin pipe, and then the joint of the threaded rod and the threaded hole is sealed by sealant, so that when lubricant enters the oil guide thin pipe, the lubricant in the oil guide thin pipe can enter the inner part of the upper cavity of the stepped cavity through the liquid inlet, along with the continuous squeezing of the lubricant in the upper cavity of the stepped cavity, as the lubricant in the stepped cavity can not flow back to the elastic cavity bag through the check valve on the oil guide thin pipe, the hydraulic pressure generated by the lubricant in the upper cavity can squeeze the sealing plug arranged in the stepped cavity in a sliding manner, so that the sealing plug slides downwards into the lower cavity, and the upper cavity and the lower cavity of the stepped cavity are communicated, therefore, when the lubricant in the elastic cavity bag is continuously extruded and enters the stepped cavity, the lubricant is discharged into the liquid inlet cavity through the oil discharge hole formed in the cavity wall of the lower cavity; when extension handle stall, the sealing plug can cut apart sealedly with the ladder chamber again under the elasticity of spring resets, prevents because when operating personnel rotated and opened extension handle, the extrusion stem passes through T shape extrusion piece extrusion elasticity cavity bag, leads to the phenomenon that emollient entered into the feed liquor cavity.

Preferably, the oil guide sealing assembly further comprises a T-shaped connecting rod, a guide cylinder, a telescopic guide rod, an external thread sealing ring and a rotating ring, a guide sliding groove is formed in the bottom end of the threaded rod, the T-shaped connecting rod is arranged in the guide sliding groove in a sliding mode, the bottom end of the T-shaped connecting rod is fixedly connected to the conical cutter head, the conical cutter head is in sliding contact with the bottom end of the threaded rod, the bottom end of the sealing plug is connected with the guide cylinder, the bottom end of the guide cylinder is inserted into the guide sliding groove in a sliding and sealing mode, a sliding hole is formed in the sealing plug, a thread groove is formed in the inner portion of the sliding hole, the external thread sealing ring is connected to the inner portion of the sliding hole through the telescopic guide rod in a threaded mode, a torsion cap is arranged at the upper end of the threaded rod, a thread through hole is formed in the inner portion of the torsion cap, a rotating cavity is formed above the thread through hole, and the lower section rod and the upper section rod of the telescopic guide rod are in sliding connection, the bottom end of the lower section rod of the telescopic guide rod is connected to the sealing plug, a thread groove is formed in the outer wall of the lower section rod, the upper section rod of the telescopic guide rod penetrates into the thread through hole, the top end of the telescopic guide rod is connected with a rotating ring, the rotating ring is rotatably installed in the rotating cavity, the thread groove of the lower section rod of the telescopic guide rod is in threaded fit connection with the thread through hole, the external thread sealing ring is rotatably connected to the upper portion of the sealing plug in a threaded mode and is connected to the inside of the internal thread pipe, and a plurality of through holes are uniformly formed in the outer wall of the bottom end of the internal thread pipe;

when the connector works, when an external pipeline is broken due to excessive torsional force inside the connector, an operator can insert the flat cutter into a groove formed in the side wall of the rotating ring at the moment, the rotating ring is rotated clockwise, the rotating ring drives the lower section rod to rotate through the upper section rod of the telescopic guide rod, an external thread sealing ring connected with the bottom end of the lower section rod can rotate upwards to be separated from the sliding hole, the sealing plug cannot rotate under the limit of the guide cylinder at the moment, and the external thread sealing ring rotates upwards to the inside of the internal thread pipe above the sealing plug to continue, the external thread sealing ring can be connected to the inside of the internal thread pipe in a threaded manner, meanwhile, the lower section rod can be driven to rotate upwards along the outer wall of the upper section rod and slide upwards when the external thread sealing ring rotates upwards, so that the lower section rod can be connected with the threaded through hole in a threaded manner, and at the moment, the upper end of the lower section rod can be connected with the threaded through hole in a threaded manner, the external thread sealing ring at the lower end of the lower section rod can be in threaded connection with the internal thread pipe, so that a spring above the sealing plug does not have the elastic expansion function, the external thread sealing ring is separated from the sliding hole to open the sliding hole, then an operator frequently rotates the extension handle, so that a lubricant can enter the guide cylinder through the upper cavity of the stepped cavity and the plurality of through holes formed in the internal thread pipe and then enter the guide chute, and the lubricant can enter the guide chute due to the fact that the spring above the sealing plug does not have the elastic expansion function, therefore, the lubricant in the upper cavity and the guide chute is continuously increased to enable the hydraulic pressure to be generated in the guide chute, and the conical cutter head is extruded through the T-shaped connecting rod to enable the conical cutter head to be extruded and hit towards the outer wall of an external pipeline, so that the broken external pipeline can be conveniently broken and taken out; after broken pipeline takes out, operating personnel anticlockwise rotates the swivel becket, make the external screw thread sealing ring thread sealing connection of its flexible guide arm lower extreme in the sliding hole, the hypomere pole of flexible guide arm below breaks away from and twists reverse the screw thread through-hole threaded connection who emits this moment, the hypomere pole can freely slide at the outer wall of upper segment pole, and the function of elastic deformation is resumeed to the spring of sealing plug top this moment, thereby the emollient of the gathering of ladder chamber top of being convenient for can extrude the sealing plug, make its lapse open epicoele and the lower chamber in ladder chamber, can promote the guide cylinder lapse when the sealing plug lapse, and the gliding maximum distance of guide cylinder lapse can not extrude T type connecting rod, it is internal that the emollient of being convenient for gets into the feed liquor chamber.

Preferably, the cross-sectional area of the accommodating groove is the same as that of the extension handle, and the accommodating groove is movably connected with the extension handle; during operation, handle and extension handle cooperation are used, increase the area of contact of hand, are convenient for rotate, place through rotating the extension handle and accomodating inslot portion and realize the free rotation when the tee bend valve rotates the unable rotation in turning.

Preferably, the outer surface of the upper end of one end of the handle, which is far away from the fixing groove, is fixedly connected with two connecting blocks, the two connecting blocks are symmetrically distributed about the center of the handle, the corresponding sides of the two connecting blocks are respectively provided with a groove body, clamping plates are arranged inside the two groove bodies, the clamping plates are in a T-shaped structure, two ends of each clamping plate are sleeved with a torsion spring, the torsion springs are located inside the groove bodies, one end of each torsion spring is fixedly connected with the corresponding clamping plate, the other end of each torsion spring is fixedly connected with the corresponding connecting block, and one end of each clamping plate extends to the upper end of the corresponding accommodating groove; when the extension handle works, the extension handle is fixed through the clamping plate and the torsion spring.

Compared with the prior art, the invention has the beneficial effects that:

1. the lubricant in the liquid storage tank enters the oil guide thin pipe in an extruding mode through the extruding and draining assembly, then enters the liquid inlet cavity through the oil guide sealing assembly, and then is immersed into the joint of the interface and the external pipeline through the liquid outlet, so that the joint of the external pipeline and the interface is lubricated conveniently, and the external pipeline can be screwed and disassembled conveniently at the interface;

2. can hold the extension handle of opening from accomodating the inslot internal rotation through the operator, then operating personnel anticlockwise rotation extension handle for the extension handle can drive the handle rotation, thereby the tee bend valve of being convenient for opens, can be fine avoid installing the problem of the unable arbitrary rotation of tee bend valve at wall body corner.

Drawings

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

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a combination view of the interface of the present invention and an external conduit;

FIG. 3 is an enlarged view of a portion of FIG. 2 according to the present invention;

FIG. 4 is a combination view of the handle and elongated shank of the present invention;

fig. 5 is a partial enlarged view of the invention at B in fig. 4.

Description of reference numerals:

1. a three-way valve body; 2. an interface; 3. an internally threaded tube; 4. a handle; 5. an oil guide seal assembly; 51. a threaded rod; 511. a stepped cavity; 512. a guide chute; 513. a torsion cap; 52. a conical cutter head; 53. a sealing plug; 54. a T-shaped connecting rod; 55. a guide cylinder; 56. a telescopic guide rod; 57. an external thread sealing ring; 58. a rotating ring; 6. an external pipeline; 7. a liquid inlet cavity; 8. a liquid outlet; 9. extruding the liquid discharge assembly; 91. an elastic cavity bladder; 92. a T-shaped extrusion block; 93. a fixed cylinder; 94. an extrusion stem; 10. an oil guide thin tube; 11. a rotating groove; 12. a storage tank; 13. a receiving groove; 14. fixing grooves; 15. a handle is extended; 151. an arc-shaped extrusion groove; 16. a torsion spring; 17. a trough body; 18. clamping a plate; 19. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution:

as shown in fig. 1 and 2, a three-way valve comprises a three-way valve body 1, wherein two ends and a lower end of the three-way valve body 1 are respectively provided with a connector 2, an external pipeline 6 is connected to the inner thread of the connector 2, a handle 4 is arranged on the outer surface of the upper end of the three-way valve body 1, a liquid inlet cavity 7 is arranged at a position corresponding to the external pipeline 6 in the connector 2, a liquid outlet 8 is arranged on the inner surface of the connector 2, a threaded hole 21 is arranged on one side of the connector 2, the threaded hole 21 penetrates through the liquid inlet cavity 7 to the inner wall of the connector 2, an oil guide sealing assembly 5 is arranged in the threaded hole 21, the oil guide sealing assembly 5 is used for guiding lubricant into the liquid inlet cavity 7, a containing groove 13 is arranged in the handle 4, and an extension handle 15 is movably connected to one end, far away from the three-way valve body 1, of the handle 4, a liquid storage tank 12 is arranged in the extension handle 15, a rotating tank 11 is arranged in one end, close to the handle 4, of the extension handle 15, a rotating rod is arranged in the rotating tank 11, fixing grooves 14 are symmetrically arranged at positions, corresponding to the two ends of the rotating rod, of the handle 4, the fixing grooves 14 are communicated with a containing groove 13, the two ends of the rotating rod are located in the fixing grooves 14, a lubricant is stored in the liquid storage tank 12, the lubricant is guided into the oil guide sealing assembly 5 through an oil guide thin tube 10 by the liquid storage tank 12, an extrusion liquid drainage assembly 9 is arranged on the extension handle 15, and the extrusion liquid drainage assembly 9 is used for extruding the lubricant in the liquid storage tank 12 into the oil guide thin tube 10; when the three-way valve is in operation, when the three-way valve which is rusted and oxidized needs to be replaced and is inconvenient to screw, at the moment, an operator can take the extension handle 15 out of the accommodating groove 13 of the handle 4, then clockwise rotate the extension handle 15, so that the extension handle 15 rotates around the rotating rod, thereby extruding the liquid drainage component 9 to enable lubricant in the liquid storage tank 12 to be extruded and enter the oil guide tubule 10, then enter the liquid inlet cavity 7 through the oil guide sealing component 5, then the lubricant is immersed into the joint of the interface 2 and the external pipeline 6 through the liquid outlet 8, so that the joint of the external pipeline 6 and the interface 2 can be lubricated, the external pipeline 6 can be conveniently screwed and detached at the interface 2, if the problem that the three-way valve which is installed at the corner of a wall body cannot rotate freely occurs, at the moment, the operator can hold the extension handle 15 which is rotated and opened in the accommodating groove 13, then operating personnel anticlockwise rotates extension handle 15 for extension handle 15 can drive handle 4 and rotate, thereby the tee bend valve of being convenient for is opened, can be fine avoid installing the unable rotatory problem wantonly of tee bend valve at wall body corner.

As an embodiment of the present invention, the extruding and draining assembly 9 includes an elastic cavity bag 91, a T-shaped extruding block 92, a fixed cylinder 93 and an extruding rod 94, an arc-shaped extruding groove 151 is formed at a middle position of the rotating groove 11, one end of the arc-shaped extrusion groove 151 is communicated with the liquid storage tank 12, an elastic cavity bag 91 is arranged inside the liquid storage tank 12, and one end of the elastic cavity bag 91 far away from the arc-shaped extrusion groove 151 is fixedly connected to the side wall of the liquid storage groove 12, and the other end thereof is in sliding contact with the inner wall of the liquid storage tank 12, the T-shaped extrusion block 92 is arranged inside the arc-shaped extrusion groove 151 in a sliding way, and one end of the T-shaped extrusion block 92 is in contact with the outer wall of the elastic cavity pocket 91, the fixed cylinder 93 is fixedly arranged on the rotating rod, the inner part of the fixed cylinder 93 is connected with a squeezing rod 94 in a sliding way through a spring, and the outer end part of the squeezing rod 94 is in sliding and squeezing contact with the outer end part of the T-shaped squeezing block 92;

when the liquid inlet cavity works, when lubricant in the liquid storage tank 12 needs to be introduced into the liquid inlet cavity 7, an operator opens the extension handle 15 from the storage tank 13 in the anticlockwise direction, at the moment, the extrusion rod 94 arranged on the rotating rod can be partially compressed into the fixed cylinder 93 by the extension handle 15, when the arc-shaped extrusion groove 151 rotates to be aligned with the extrusion rod 94 arranged on the rotating rod, the spring in the fixed cylinder 93 can push the extrusion rod 94 to extrude the outer wall of the T-shaped extrusion block 92, so that the T-shaped extrusion block 92 can extrude the elastic cavity bag 91, the lubricant in the elastic cavity bag 91 can be introduced into the liquid inlet cavity 7 through the oil guide pipe 10 and the check valve arranged on the oil guide pipe 10, and then is immersed into the joint of the interface 2 and the external pipeline 6 through the liquid outlet 8, therefore, the operator can frequently and slowly rotate the extension handle 15, so that the lubricant in the elastic cavity bag 91 can intermittently enter the liquid inlet cavity 7, therefore, the lubricant flowing out of the liquid outlet 8 can be slowly immersed into the interface 2, and the lubricant is prevented from flowing into the liquid inlet cavity 7 too fast, so that the pressure in the liquid inlet cavity 7 is increased, and the lubricating effect of the lubricant is influenced; an oil filling hole is provided in the side wall of the reservoir 12 to allow the elastic cavity pocket 91 to be filled with lubricant.

As an embodiment of the present invention, the oil guide sealing member 5 includes a threaded rod 51, a conical cutter head 52, and a sealing plug 53, the threaded rod 51 is screwed into the threaded hole 21, and the bottom end of the threaded rod 51 is connected with a conical cutter head 52, the conical end part of the conical cutter head 52 is contacted with the outer ring wall of the external pipeline 6, a step cavity 511 is arranged in the threaded rod 51, the diameter of the upper cavity of the stepped cavity 511 is smaller than that of the lower cavity thereof, a liquid inlet is arranged at the position of the side wall of the upper cavity of the stepped cavity 511, which is aligned with the pipe orifice of the oil guide tubule 10, and the wall of the lower cavity of the stepped cavity 511 is provided with oil discharge holes, and a plurality of oil discharge holes are communicated with the liquid inlet cavity 7, the joint of the upper cavity and the lower cavity of the stepped cavity 511 is slidably connected with a sealing plug 53 through a spring and an internal threaded tube 3, the internal thread tube 3 is connected between the sealing plug 53 and the spring, and the sealing plug 53 is used for separating the upper cavity and the lower cavity of the stepped cavity 511;

during operation, an operator firstly connects the threaded rod 51 into the threaded hole 21 by threads, and the conical cutter head 52 at the bottom end of the threaded rod 51 contacts with the outer ring wall of the external pipeline 6 connected to the interface 2, at this time, the liquid inlet of the upper cavity side wall of the stepped cavity 511 aligns with the pipe orifice of the oil guide tube 10, and then the joint of the threaded rod 51 and the threaded hole 21 is sealed by sealant, so when lubricant enters the oil guide tube 10, the lubricant inside the oil guide tube 10 enters the upper cavity of the stepped cavity 511 through the liquid inlet, along with continuous squeezing of the lubricant inside the upper cavity of the stepped cavity 511, since the check valve on the oil guide tube 10 does not cause the lubricant inside the stepped cavity 511 to flow back to the elastic cavity bag 91, the hydraulic pressure generated by the lubricant inside the upper cavity extrudes the sealing plug 53 slidably arranged inside the stepped cavity 511, so that the sealing plug 53 slides downwards into the lower cavity, thereby communicating the upper and lower chambers of the stepped chamber 511, and therefore, when the lubricant inside the elastic chamber bladder 91 is continuously pressed into the stepped chamber 511, it is discharged into the liquid inlet chamber 7 through the oil discharge hole formed in the chamber wall of the lower chamber; when the extension handle 15 stops rotating, the sealing plug 53 can cut off and seal the stepped cavity 511 again under the elastic reset of the spring, so that the phenomenon that when an operator rotates to open the extension handle 15, the extrusion rod 94 extrudes the elastic cavity bag 91 through the T-shaped extrusion block 92 to cause lubricant to enter the liquid inlet cavity 7 is prevented.

As an embodiment of the present invention, the oil guiding and sealing assembly 5 further includes a T-shaped connecting rod 54, a guiding cylinder 55, a telescopic guide rod 56, an external thread sealing ring 57 and a rotating ring 58, the bottom end of the threaded rod 51 is provided with a guiding sliding groove 512, the guiding sliding groove 512 is provided with the T-shaped connecting rod 54 in a sliding manner, the bottom end of the T-shaped connecting rod 54 is fixedly connected to the conical cutter head 52, the conical cutter head 52 is in sliding contact with the bottom end of the threaded rod 51, the bottom end of the sealing plug 53 is connected with the guiding cylinder 55, the bottom end of the guiding cylinder 55 is inserted into the guiding sliding groove 512 in a sliding manner, the sealing plug 53 is provided with a sliding hole, the inside of the sliding hole is provided with a thread groove, the inside of the sliding hole is connected with the external thread sealing ring 57 through the telescopic guide rod 56 in a threaded manner, the upper end of the threaded rod 51 is provided with a torsion cap 513, and the inside of the torsion cap is provided with a thread through hole, a rotating cavity is formed above the threaded through hole, the lower section rod and the upper section rod of the telescopic guide rod 56 are connected in a sliding mode, the bottom end of the lower section rod is connected to an external thread sealing ring 57, a thread groove is formed in the outer wall of the lower section rod, the upper section rod of the telescopic guide rod 56 penetrates into the threaded through hole, the top end of the upper section rod is connected with a rotating ring 58, the rotating ring 58 is rotatably installed in the rotating cavity, the thread groove of the lower section rod of the telescopic guide rod 56 is in threaded fit connection with the threaded through hole, the external thread sealing ring 57 can be rotatably connected to the upper portion of the sealing plug 53 and is connected to the inside of the internal threaded pipe 3, and a plurality of through holes are uniformly formed in the outer wall of the bottom end of the internal threaded pipe 3; when the connector 2 works, when the external pipeline 6 is broken due to excessive torsional force inside the connector 2, an operator can insert the flat cutter into a groove formed in the side wall of the rotating ring 58, the rotating ring 58 is rotated clockwise, the rotating ring 58 drives the lower section rod to rotate through the upper section rod of the telescopic guide rod 56, the external thread sealing ring 57 connected to the bottom end of the lower section rod can rotate upwards to be separated from the sliding hole, the sealing plug 53 cannot rotate under the limit of the guide cylinder 55, and when the external thread sealing ring 57 rotates upwards to continue in the internal thread pipe 3 above the sealing plug 53, the external thread sealing ring 57 can be in threaded connection with the internal thread pipe 3, meanwhile, when the external thread sealing ring 57 rotates upwards, the lower section rod can be driven to slide upwards along the outer wall of the upper section rod, and thus the lower section rod can be in threaded connection with the threaded through hole, at this time, the upper end of the lower rod is connected with the threaded through hole by a thread, the external thread sealing ring 57 at the lower end of the lower rod is connected with the internal thread tube 3 by a thread, so that the spring above the sealing plug 53 does not have the function of elastic expansion, and at the same time, the external thread sealing ring 57 is separated from the sliding hole to open the sliding hole, then the operator frequently rotates the extension handle 15, so that the lubricant can enter the guide cylinder 55 through the upper cavity of the stepped cavity 511 and the plurality of through holes formed in the internal thread tube 3, and then enter the guide chute 512, because the spring above the sealing plug 53 does not have the function of elastic expansion, the lubricant in the upper cavity and the guide chute 512 is increased continuously, so that hydraulic pressure is generated in the guide chute 512, and the conical cutter head 52 is extruded by the T-shaped connecting rod 54, so that the conical cutter head 52 is extruded and hit towards the outer wall of the external pipeline 6, thereby facilitating the breaking and taking out of the broken external pipeline 6; after the broken pipeline is taken out, an operator rotates the rotating ring 58 anticlockwise to enable the external thread sealing ring 57 at the lower end of the telescopic guide rod 56 to be connected into the sliding hole in a threaded sealing mode, at the moment, the lower section rod below the telescopic guide rod 56 is separated from the threaded connection with the threaded through hole in the torsion cap 513, the lower section rod can slide freely on the outer wall of the upper section rod, and the spring above the sealing plug 53 recovers the elastic deformation function, so that the collected lubricant above the stepped cavity 511 can extrude the sealing plug 53 to slide downwards to open the upper cavity and the lower cavity of the stepped cavity 511, the guide cylinder 55 can be pushed to slide downwards when the sealing plug 53 slides downwards, the T-shaped connecting rod 54 cannot be extruded by the maximum distance of the downward sliding of the guide cylinder 55, and the lubricant can enter the liquid inlet cavity 7 conveniently.

As an embodiment of the present invention, the cross-sectional area of the receiving groove 13 is the same as that of the extension handle 15, and the receiving groove 13 is movably connected to the extension handle 15; during operation, handle 4 and extension handle cooperation are used, increase the area of contact of hand, are convenient for rotate, place through rotating extension handle 15 and accomodating 13 inside realization free rotations when the tee bend valve rotates the unable rotation in corner.

As an embodiment of the invention, the outer surface of the upper end of one end of the handle 4, which is far away from the fixing groove 14, is fixedly connected with two connecting blocks 19, the number of the connecting blocks 19 is two, and the two connecting blocks are symmetrically distributed about the center of the handle 4, one sides of the two connecting blocks 19, which correspond to each other, are both provided with groove bodies 17, clamping plates 18 are arranged inside the two groove bodies 17, the clamping plates 18 are in a T-shaped structure, two ends of each clamping plate 18 are sleeved with torsion springs 16, the torsion springs 16 are located inside the groove bodies 17, one end of each torsion spring 16 is fixedly connected with the corresponding clamping plate 18, the other end of each torsion spring is fixedly connected with the corresponding connecting block 19, and one end of each clamping plate 18 extends to the upper end of the accommodating groove 13; in operation, the elongate handle 15 is secured by the catch plate 18 and the torsion spring 16.

The working principle is as follows: when the rusted and oxidized three-way valve needs to be replaced and is inconvenient to screw, at the moment, an operator can take the extension handle 15 out of the accommodating groove 13 of the handle 4, then clockwise rotate the extension handle 15 to enable the extension handle 15 to rotate around the rotating rod, so that the liquid drainage assembly 9 is extruded to enable the lubricant in the liquid storage tank 12 to be extruded and enter the oil guide tubule 10 and then enter the liquid inlet cavity 7 through the oil guide sealing assembly 5, then the lubricant is immersed into the joint of the interface 2 and the external pipeline 6 through the liquid outlet 8, so that the joint of the external pipeline 6 and the interface 2 is lubricated, the external pipeline 6 can be screwed and disassembled at the interface 2, if the problem that the three-way valve installed at the corner of a wall cannot rotate randomly occurs, at the moment, the operator can hold the extension handle 15 which is rotated and opened in the accommodating groove 13, and then the operator rotates the extension handle 15 anticlockwise, make extension handle 15 can drive handle 4 and rotate to the tee bend valve of being convenient for is opened, can be fine avoid installing the unable rotatory problem wantonly of tee bend valve at wall body corner.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.