阅读说明：本技术 一种具有双重保护的密封阀门 (Sealing valve with double protection ) 是由 林文康 刘文豪 于 2021-07-23 设计创作，主要内容包括：本发明涉及阀门技术领域,且公开了一种具有双重保护的密封阀门,包括阀杆、阀门球体、安装组件和密封组件,所述阀杆下方固定连接有阀芯球壳,阀门球体中心固定连接有阀芯,阀芯外部四周活动连接有阀芯球壳,阀芯内部左右两端活动连接有锁紧定位孔。由于设置安装组件和密封组件,将法兰焊接设置在水管上,将第二密封圈过盈配合设置在安装环上,并顶住环形块,螺纹连接将安装环螺纹与法兰上的固定环装配,使得固定环顶住第二密封圈,实现一层密封,再将第一密封圈配合设置在环形槽内,将密封罩与环形块螺纹连接,并且使得密封罩一端位于环形槽内顶住第一密封圈,实现二层密封,实现对水管与阀门主体的双层密封,密封性能更好。(The invention relates to the technical field of valves and discloses a sealing valve with double protection, which comprises a valve rod, a valve ball body, an installation assembly and a sealing assembly, wherein a valve core ball shell is fixedly connected below the valve rod, a valve core is fixedly connected at the center of the valve ball body, the periphery of the outer part of the valve core is movably connected with the valve core ball shell, and the left end and the right end of the inner part of the valve core are movably connected with locking positioning holes. Owing to set up installation component and seal assembly, set up the flange welding on the water pipe, set up second sealing washer interference fit on the collar, and withstand the annular block, threaded connection assembles the mounting ring screw thread and the solid fixed ring on the flange, make solid fixed ring withstand the second sealing washer, realize that the one deck is sealed, set up first sealing washer cooperation in the ring channel again, with sealed cowling and annular block threaded connection, and make sealed cowling one end be located the ring channel and withstand first sealing washer, realize two layers of sealed, realize the double-deck sealed to water pipe and valve main part, sealing performance is better.)

1. The utility model provides a sealed valve with duplicate protection, includes valve rod (1), valve spheroid (2), installation component and seal assembly, its characterized in that: a valve core spherical shell (3) is fixedly connected below the valve rod (1), a valve core (4) is fixedly connected at the center of the valve ball body (2), the valve core spherical shell (3) is movably connected at the periphery of the outside of the valve core (4), locking positioning holes (14) are movably connected at the left end and the right end of the inside of the valve core (4), locking magnetic steel (15) is movably connected below the locking positioning holes (14), unlocking magnetic steel (16) is fixedly connected below the locking magnetic steel (15), locking holes (17) are movably connected at the left end and the right end of the unlocking magnetic steel (16), sliding chutes (18) are movably connected at the upper end and the lower end of the inside of the valve core (4), a movable rod (23) is fixedly connected below the sliding chutes (18), cavities (19) are movably connected at the two ends of the sliding chutes (18), fixing plates (20) are movably connected at the left side and the right side of the cavities (19), sliding blocks (22) are fixedly connected below the fixing plates (20), and limiting holes (21) are fixedly connected below the movable rod (23), a bearing seat (24) is fixedly connected below the limiting hole (21), the outer end of the bearing seat (24) is movably connected with a bearing frame (25), the bearing seat (24) is movably connected with the valve core (4), the mounting assemblies are a pair and are movably connected with the valve ball body (2) in a bilateral symmetry mode, each group of mounting assemblies comprises a flange (11), a sealing cover (9) and a mounting ring (12), a water pipe (5) is fixedly mounted above the flange (11), one side close to the valve ball body (2) is movably connected with a blind cavity, a fixing ring (6) is movably connected inside the blind cavity, an internal thread is movably connected to the inner side of the fixing ring (6), an annular groove (7) is movably connected to the outer side of the internal thread and the circumferential edge of the flange (11), one end of the mounting ring (12) is movably connected to the inner side of the fixing ring (6), the other end of the mounting ring (12) is fixedly connected with the outer portion of the valve body, an annular block (8) is movably connected to the outer side of the middle of the mounting ring (12), sealing boot (9) fixed connection on annular piece (8) of collar (12), and one end is located ring channel (7), and seal assembly includes first sealing washer (10) and second sealing washer (13), first sealing washer (10) swing joint in ring channel (7), second sealing washer (13) swing joint between solid fixed ring (6) and annular piece (8).

2. A double-protection sealing valve according to claim 1, characterized in that: a groove is formed in the surface above the valve rod (1).

3. A double-protection sealing valve according to claim 1, characterized in that: the thread direction on the fixing ring (6) is opposite to that of the ring block (8).

4. A double-protection sealing valve according to claim 1, characterized in that: the first sealing ring (10) and the second sealing ring (13) are equal in size.

5. A double-protection sealing valve according to claim 1, characterized in that: and a fixed block matched with the bearing seat (24) is arranged on the surface of the valve core (4).

6. A double-protection sealing valve according to claim 1, characterized in that: and the surface of the limiting hole (21) is provided with an anti-skid pad.

Technical Field

The invention relates to the technical field of valves, in particular to a sealing valve with double protection.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, and is a device which can control the flow of the medium in a pipeline or equipment by enabling or stopping the medium flow.

Traditional water pipe installation valve uses for a long time, causes oozing of liquid very easily, especially under high pressure environment, adopts the flange butt joint mainly to set up the flange welding at the water pipe in addition, and high temperature causes the deformation of water pipe or flange very easily, causes the assembly to produce the clearance, and the influence is sealed, and in the use, people just can open and close the operation to it as long as possess any magnetism key to realize the purpose of illegal opening, the theftproof protect function is very not in place.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the sealing valve with double protection, which has the advantages of strong sealing performance and double protection of the valve, and solves the problems of poor sealing performance and no double protection of the traditional valve.

(II) technical scheme

In order to solve the technical problems, the invention provides the following technical scheme: a sealing valve with double protection comprises a valve rod, a valve ball body, an installation assembly and a sealing assembly, wherein a valve core ball shell is fixedly connected below the valve rod, a valve core is fixedly connected at the center of the valve ball body, the valve core ball shell is movably connected around the outside of the valve core, locking positioning holes are movably connected at the left end and the right end inside the valve core, locking magnetic steel is movably connected below the locking positioning holes, unlocking magnetic steel is fixedly connected below the locking magnetic steel, locking holes are movably connected at the left end and the right end of the unlocking magnetic steel, a sliding groove is movably connected at the upper end and the lower end inside the valve core, a movable rod is fixedly connected below the sliding groove, cavities are movably connected at the two ends of the sliding groove, fixed plates are movably connected at the left side and the right side of the cavities, a sliding block is fixedly connected below the fixed plate, a limiting hole is fixedly connected below the movable rod, a bearing seat is fixedly connected below the limiting hole, and the outer end of the bearing seat is movably connected with a bearing frame, the bearing seats are movably connected with the valve core, the mounting assemblies are a pair and are movably connected with the valve ball body in a bilateral symmetry mode, each group of mounting assemblies comprises a flange, a sealing cover and a mounting ring, a water pipe is fixedly mounted above the flange, and one side close to the valve ball body is movably connected with a blind cavity, the interior of the blind cavity is movably connected with a fixed ring, the inner side of the fixed ring is movably connected with an internal thread, and the internal thread outside has the ring channel with the circumferential edge reason swing joint of flange, collar one end swing joint is in the inboard of solid fixed ring, the collar other end and the outside fixed connection of valve main part, the middle part outside swing joint of collar has the annular piece, sealing boot fixed connection is on the annular piece of collar, and one end is located the ring channel, seal assembly includes first sealing washer and second sealing washer, first sealing washer swing joint is in the ring channel, second sealing washer swing joint is between solid fixed ring and annular piece.

Preferably, the surface above the valve rod is provided with a groove, so that the valve rod is convenient to operate.

Preferably, the thread direction on the fixing ring is opposite to the thread direction of the annular block, so that the function of fixing the structure through the threads is achieved.

Preferably, the first sealing ring and the second sealing ring are equal in size, so that the first sealing ring and the second sealing ring are conveniently fixed in the structure.

Preferably, the surface of the valve core is provided with a fixed block matched with the bearing seat, so that the valve core is conveniently fixed by the bearing seat.

Preferably, the surface of the limiting hole is provided with a non-slip pad to prevent the limiting hole from sliding.

(III) advantageous effects

Compared with the prior art, the invention provides a sealing valve with double protection, which has the following beneficial effects:

1. this sealing valve with duplicate protection, the bearing frame that the both ends set up about the case carries on spacing fixed to the valve spheroid, when the valve needs to be opened, the unblock magnet steel on case surface is opposite with the magnetic pole of locking magnet steel, under the effect that magnetism heteropolar attraction is inhaled, the locking magnet steel can overcome the pressure that resets the elastic component and is inhaled in the keyhole by magnetic unblock magnet steel is complete, cause the locking locating hole of locking magnet steel roll-off valve rod, thereby make the valve rod can rotate along with ordinary opening tool, then realize opening and closing of valve, when need not open the valve, the unblock magnet steel loses the magnetic attraction to the locking magnet steel, each elastic component that resets can make each locking magnet steel reset, thereby the card is located between each lockhole and the locking locating hole, the restriction valve rod rotates, and reach the protection to the valve, therefore, the clothes hanger is strong in practicability.

2. This sealing valve with duplicate protection, owing to set up installation component and seal assembly, set up flange welding on the water pipe, set up second sealing washer interference fit on the collar, and withstand the annular piece, threaded connection assembles the solid fixed ring on collar thread and the flange, make solid fixed ring withstand the second sealing washer, it is sealed to realize the one deck, set up first sealing washer cooperation in the ring channel again, with sealed cowling and annular piece threaded connection, and make sealed cowling one end be located the ring channel and withstand first sealing washer, realize two layers of sealings, the realization is sealed with the double-deck of valve main part to the water pipe, sealing performance is better.

Drawings

Fig. 1 is a schematic view of the overall appearance structure of the present invention.

FIG. 2 is a sectional view of the left and right end structures of the valve core of the present invention.

FIG. 3 is a sectional view of the upper and lower end structures of the valve core of the present invention.

In the figure: 1. a valve stem; 2. a valve ball; 3. a valve core spherical shell; 4. a valve core; 5. a water pipe; 6. a fixing ring; 7. an annular groove; 8. a ring block; 9. a sealing cover; 10. a first seal ring; 11. a flange; 12. a mounting ring; 13. a second seal ring; 14. locking the positioning hole; 15. locking the magnetic steel; 16. unlocking the magnetic steel; 17. a lock hole; 18. a chute; 19. a cavity; 20. a fixing plate; 21. a limiting hole; 22. a slider; 23. a travel bar; 24. a bearing seat; 25. a bearing frame.

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. 1-3, a sealing valve with dual protection comprises a valve rod 1, a valve ball 2, an installation component and a sealing component, wherein a valve core ball shell 3 is fixedly connected below the valve rod 1, a valve core 4 is fixedly connected at the center of the valve ball 2, the valve core ball shell 3 is movably connected around the outside of the valve core 4, locking positioning holes 14 are movably connected at the left end and the right end inside the valve core 4, locking magnetic steels 15 are movably connected below the locking positioning holes 14, unlocking magnetic steels 16 are fixedly connected below the locking magnetic steels 15, locking holes 17 are movably connected at the left end and the right end of the unlocking magnetic steels 16, sliding grooves 18 are movably connected at the upper end and the lower end inside the valve core 4, a movable rod 23 is fixedly connected below the sliding grooves 18, cavities 19 are movably connected at the two ends of the sliding grooves 18, fixing plates 20 are movably connected at the left side and the right side of the cavities 19, sliding blocks 22 are fixedly connected below the fixing plates 20, and limiting holes 21 are fixedly connected below the movable rods 23, a bearing seat 24 is fixedly connected below the limiting hole 21, the outer end of the bearing seat 24 is movably connected with a bearing frame 25, the bearing seat 24 is movably connected with the valve core 4, the installation components are a pair and are movably connected with the valve ball 2 in a bilateral symmetry mode, each group of installation components comprises a flange 11, a sealing cover 9 and an installation ring 12, a water pipe 5 is fixedly installed above the flange 11, one side close to the valve ball 2 is movably connected with a blind cavity, the inner part of the blind cavity is movably connected with a fixing ring 6, the inner side of the fixing ring 6 is movably connected with an internal thread, the outer side of the internal thread and the circumferential edge of the flange 11 are movably connected with an annular groove 7, one end of the installation ring 12 is movably connected with the inner side of the fixing ring 6, the other end of the installation ring 12 is fixedly connected with the outer part of the valve main body, the outer side of the middle part of the installation ring 12 is movably connected with an annular block 8, the sealing cover 9 is fixedly connected with the annular block 8 of the installation ring 12, and one end of the annular groove 7, sealing assembly includes first sealing washer 10 and second sealing washer 13, first sealing washer 10 swing joint is in ring channel 7, second sealing washer 13 swing joint is between solid fixed ring 6 and ring block 8, 1 top surface of valve rod is provided with the recess, the convenience is operated valve rod 1, the screw direction on the solid fixed ring 6 is opposite with ring block 8's screw direction, reach the effect through the thread fastening structure, first sealing washer 10 and second sealing washer 13 size equals, conveniently fix first sealing washer 10 and second sealing washer 13 inside the structure, case 4 surface is provided with the fixed block with 24 looks adaptations of bearing frame, make things convenient for bearing frame 24 to fix case 4, spacing hole 21 surface is provided with the slipmat, prevent that spacing hole 21 from sliding.

The valve ball 2 is limited and fixed by the bearing seats 24 arranged at the upper end and the lower end of the valve core 4, when the valve needs to be opened, the magnetic poles of the unlocking magnetic steel 16 on the surface of the valve core 4 are opposite to those of the locking magnetic steel 15, under the action of attraction of magnetic heteropolarity, the locking magnetic steel 15 can overcome the pressure of the reset elastic part and is completely sucked into the lock hole 17 by the magnetic unlocking magnetic steel 16, so that the locking magnetic steel 15 slides out of the lock positioning hole 14 of the valve rod 1, the valve rod 1 can rotate along with a common opening tool, then the valve is opened and closed, when the valve does not need to be opened, the magnetic attraction of the unlocking magnetic steel 16 to the locking magnetic steel 15 is lost, each reset elastic part can reset each locking magnetic steel 15, and the valve is clamped between each lock hole 17 and each lock positioning hole 14, the rotation of the valve rod 1 is limited, the valve is protected, and the practicability is strong.

This sealing valve with duplicate protection, owing to set up installation component and seal assembly, set up flange 11 welding on water pipe 5, set up second sealing washer 13 interference fit on collar 12, and withstand annular piece 8, threaded connection is with the solid fixed ring 6 assembly on collar 12 screw thread and the flange 11, make solid fixed ring 6 withstand second sealing washer 13, it is sealed to realize the one deck, set up first sealing washer 10 cooperation in ring channel 7 again, with sealed cowling 9 and 8 threaded connection of annular piece, and make sealed cowling 9 one end be located ring channel 7 and withstand first sealing washer 10, realize two layers of sealings, the realization is sealed with the double-deck of valve main part to water pipe 5, sealing performance is better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.