Valve sealing device capable of being opened and closed flexibly

Abstract

The utility model belongs to the technical field of fluid control, and particularly relates to a valve sealing device capable of being opened and closed flexibly. The technical problems that due to the fact that the control position of the valve is affected by rusting, the valve is inconvenient to control, and due to the fact that the sealing performance of the valve is possibly insufficient, liquid leaks are solved. According to the technical scheme, the valve sealing device capable of being opened and closed flexibly comprises a pipe body assembly; the device further comprises a first valve assembly, a shifting wheel assembly, a transmission assembly and a second valve assembly. The first gear is shifted to drive the second gear to drive the double-tooth screw to rotate, the first valve assembly and the second valve assembly are controlled to seal and isolate the pipe body assembly, and when the pipe body assembly is adjusted to a proper sealing position, a U-shaped rod is inserted into a third through hole and a fifth through hole through a third through hole, so that the pipe body assembly is sealed and isolated. The first gear is fixed, the valve is controlled to be opened and closed by shifting the first gear, and the problem that the valve is inconvenient to flexibly control is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fluid control, and in particular relates to a valve sealing device which can be opened and closed flexibly. Background Art

[0002] A valve is a device used to control the flow of liquid, gas or steam. It controls the flow of the medium by opening or closing the valve, or adjusts the flow rate of the medium by adjusting the opening of the valve. Valves are widely used in daily life. In existing use, valve control is usually controlled by a wrench. The wrench may be affected by rust, making it inconvenient to flexibly control the valve, and the valve may not be sealed enough, resulting in liquid leakage. Utility Model Content

[0003] In order to overcome the problem that the valve control part may be affected by rust during the sealing process of the liquid, making it inconvenient to flexibly control the valve, and the valve may have insufficient sealing, resulting in liquid leakage.

[0004] The technical solution of the utility model is: a valve sealing device that can be opened and closed flexibly, including a tube body assembly; also including a first valve assembly, a thumbwheel assembly, a transmission assembly and a second valve assembly; the tube body assembly is provided with a first valve assembly for controlling closing; the tube body assembly is provided with a thumbwheel assembly for adjustment; the thumbwheel assembly is provided with a transmission assembly for regulating and controlling; the transmission assembly is provided with a second valve assembly for front end closing.

[0005] Preferably, when it is necessary to control the opening and closing of the valve, the thumbwheel assembly is rotated so that the thumbwheel assembly drives the transmission assembly to rotate, and the transmission assembly drives the first valve assembly to rotate toward one end that is close to each other. At the same time, the rotation of the transmission assembly drives the second valve assembly to move downward, and the left end of the tube body assembly is closed by the second valve assembly. At the same time, the transmission assembly drives the first valve assembly to close the center of the tube body assembly. By setting two valve assemblies, the sealing of the valve is improved.

[0006] Preferably, the tube body assembly includes a tube body shell, a first through hole, a first groove body, a second groove body, a first limiting groove and a third groove body; two first through holes are provided at the upper end of the tube body shell; a first groove body is provided at the upper end of the tube body shell; a second groove body is provided through the left and right ends of the tube body shell; a symmetrical third groove body is provided on the inner wall of the second groove body; a first limiting groove is provided at the lower end of the inner wall of the second groove body; the front and rear inner walls of the first limiting groove are in the same plane as the front and rear inner walls of the first groove body, and the liquid is circulated and transported through the inner wall of the second groove body.

[0007] Preferably, the first valve assembly includes a first cylinder, a first fixing block, a fourth groove, a second through hole, a through-block, a second cylinder, and an L-shaped block; the first cylinder is rotatably arranged on the inner wall of the first through hole; the outer wall of the first cylinder is fixedly connected with the first fixing block; a fourth groove is opened at the left end of the first fixing block; second through holes are penetrated through the upper and lower ends of the first fixing block; two through-blocks are fixedly connected to the upper end of the pipe body housing; the inner wall of the through-block is fitted with the outer wall of the first cylinder; the lower end of the first cylinder is fixedly connected with the second cylinder; the outer wall of the second cylinder is fitted with the inner wall of the third groove; the outer wall of the second cylinder is fixedly connected with the L-shaped block; the two L-shaped blocks are symmetric about the center of the second groove; the protruding parts of the outer walls of the two L-shaped blocks are mutually fitted; the upper and lower ends of the second cylinder and the L-shaped block are fitted with the upper and lower ends of the second groove. By rotating the two first fixing blocks towards each other, the first cylinder is driven to rotate the second cylinder. The protruding parts of the outer walls of the two L-shaped blocks are mutually fitted on the inner wall of the second groove to form a sealing structure for blocking the liquid on the inner wall of the second groove.

[0008] Preferably, the dial wheel assembly includes a second fixing block, a third through hole, a fourth through hole, a first gear, a fifth through hole, a U-shaped rod, and a second gear; two second fixing blocks are fixedly connected to the upper end of the pipe body housing; two third through holes are penetrated through the front and rear ends of the second fixing block; two fourth through holes are penetrated through the front and rear ends of the second fixing block; a first gear and a second gear are rotatably installed at the mutually approaching ends of the two second fixing blocks; the inner wall of the fourth through hole and the inner wall of the second gear are in the same plane; uniformly distributed fifth through holes are penetrated through the front and rear ends of the first gear; the outer wall of the fifth through hole and the outer wall of the third through hole are in the same plane; the outer walls of the first gear and the second gear are meshed; a U-shaped rod is movably arranged in the inner walls of the two third through holes; the outer wall of the rear end of the U-shaped rod is adapted to the third through hole; the U-shaped rod passes through the third through hole and the fifth through hole and extends to the rear end of the other second fixing block. When the first valve assembly needs to be adjusted, the U-shaped rod is taken out from the second fixing block. The outer walls of the first gear and the second gear form a meshing structure. By rotating the first gear, the second gear is driven to rotate. When it rotates to the appropriate position, the U-shaped rod is inserted into the third through hole and the fifth through hole through the third through hole to fix the first gear.

[0009] Preferably, the transmission assembly includes a third fixed block, a third cylinder, a thread groove and a double-thread screw; the inner wall of the fourth groove is movably provided with a third fixed block; the third cylinder is fixedly connected to the upper and lower ends of the third fixed block; the outer wall of the third cylinder is fitted with the inner wall of the second through hole; thread grooves are provided through the front and rear ends of the third fixed block; the inner wall of the second gear is fixedly connected to the double-thread screw; the inner wall of the fourth through hole is fitted with the outer wall at the center of the double-thread screw; the thread directions of the front and rear ends of the double-thread screw are opposite; the thread groove is adapted to the outer wall of the double-thread screw at the threaded part, and when the first gear is rotated, the first gear drives the second gear to rotate, and the second gear drives the double-thread screw to rotate, and the two third fixed blocks on the double-thread screw are approached to each other through the double-thread screw, thereby driving the first valve assembly to perform a closing operation.

[0010] Preferably, the second valve assembly includes a T-plate, a fifth trough body, a stud and a nut; a T-plate is movably provided on the inner wall of the first trough body; a symmetrical fifth trough body is penetrated through the left and right ends of the T-plate; a stud is fixedly connected to the left end of the third fixed block; a nut is threadedly installed on the stud passing through the left end of the T-plate; the right end of the nut is fitted with the left end of the T-plate; the outer wall of the T-plate is fitted with the inner wall of the first trough body; the outer wall of the lower end of the T-plate is fitted with the inner wall of the first limiting groove, and by placing the T-plate downward, the lower end of the T-plate is fitted with the lower end of the first limiting groove, so that the left end of the second trough body can be sealed and blocked.

[0011] Preferably, the groove body formed by the two fifth groove bodies is in an eight-shape; the inner wall of the fifth groove body fits with the outer wall of the stud, and when the double-thread screw rotates, the two third fixed blocks approach each other, so that the studs on the third fixed blocks approach each other on the inner wall of the fifth groove body, thereby driving the T-shaped plate to move downward. When the double-thread screw is rotated in the opposite direction, it will drive the T-shaped plate to move upward, while moving the two L-shaped blocks away from each other, so that liquid flows through the inner wall of the second groove body.

[0012] Beneficial effects of the utility model:

[0013] 1. By turning the first gear, the second gear drives the double-thread screw to rotate, and the outer wall protrusions of the two L-shaped blocks on the first valve assembly are indirectly controlled to fit each other, the second trough body is sealed and blocked, and the T-shaped plate on the second valve assembly is controlled to block the second trough body, and then the U-shaped rod is inserted into the third through hole and the fifth through hole through the third through hole to fix the first gear, thereby solving the problem of inconvenient flexible control of the valve;

[0014] 2. The double-thread screw is rotated to drive the first valve assembly and the second valve assembly to seal and close the pipe body assembly. By setting a double-layer closing structure, the problem of insufficient sealing of the valve, which may cause liquid leakage, is solved;

[0015] 3. When the third fixed block approaches the double-threaded screw, the studs on the third fixed block approach each other on the inner wall of the fifth groove, driving the T-shaped plate to move downward. The lower end of the T-shaped plate fits with the lower end of the first limiting groove, which can seal and block the left end of the second groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. 6 shows a three-dimensional structural schematic diagram of a valve sealing device with flexible opening and closing according to the present invention;

[0017] Figure 2 FIG. 7 shows a three-dimensional structural schematic diagram of a pipe body assembly of a valve sealing device with flexible opening and closing according to the present invention;

[0018] Figure 3 FIG. 8 shows a sectional three-dimensional structural schematic diagram of a pipe body assembly of a valve sealing device with flexible opening and closing according to the present invention;

[0019] Figure 4 FIG. 9 shows a three-dimensional structural schematic diagram of a first valve assembly of a valve sealing device with flexible opening and closing according to the present invention;

[0020] Figure 5 FIG. 10 shows a three-dimensional structural schematic diagram of a dial wheel assembly of a valve sealing device with flexible opening and closing according to the present invention;

[0021] Figure 6 FIG. 11 shows a three-dimensional structural schematic diagram of a transmission assembly and a second valve assembly of a valve sealing device with flexible opening and closing according to the present invention.

[0022] The reference signs in the drawings are: 1 - pipe body assembly, 101 - pipe body housing, 102 - first through hole, 103 - first groove, 104 - second groove, 105 - first limiting groove, 106 - third groove, 2 - first valve assembly, 201 - first cylinder, 202 - first fixed block, 203 - fourth groove, 204 - second through hole, 205 - through block, 206 - second cylinder, 207 - L-shaped block, 3 - dial wheel assembly, 301 - second fixed block, 302 - third through hole, 303 - fourth through hole, 304 - first gear, 305 - fifth through hole, 306 - U-shaped rod, 307 - second gear, 4 - transmission assembly, 401 - third fixed block, 402 - third cylinder, 403 - thread groove, 404 - double-threaded screw, 5 - second valve assembly, 501 - T-shaped plate, 502 - fifth groove, 503 - stud, 504 - nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The present invention will be further described below with reference to the drawings and embodiments.

[0024] Please refer toFigure 1 , embodiments provided by the present utility model: a valve sealing device that can be flexibly opened and closed, including a pipe body assembly 1; further including a first valve assembly 2, a dial assembly 3, a transmission assembly 4, and a second valve assembly 5; a first valve assembly 2 for controlling closing is provided on the pipe body assembly 1; a dial assembly 3 for adjustment is provided on the pipe body assembly 1; a transmission assembly 4 for adjusting and controlling is provided on the dial assembly 3; a second valve assembly 5 for closing the front end is provided on the transmission assembly 4.

[0025] Please refer to Figures 2-3 , in this embodiment, the pipe body assembly 1 includes a pipe body outer shell 101, a first through hole 102, a first groove 103, a second groove 104, a first limiting groove 105, and a third groove 106; two first through holes 102 are opened at the upper end of the pipe body outer shell 101; a first groove 103 is opened at the upper end of the pipe body outer shell 101; the left and right ends of the pipe body outer shell 101 are penetrated and opened with second grooves 104; symmetric third grooves 106 are opened on the inner wall of the second groove 104; a first limiting groove 105 is opened at the lower end of the inner wall of the second groove 104; the front and rear inner walls of the first limiting groove 105 and the front and rear inner walls of the first groove 103 are in the same plane. Please refer to Figure 4 , in this embodiment, the first valve assembly 2 includes a first cylinder 201, a first fixing block 202, a fourth groove 203, a second through hole 204, a through-block 205, a second cylinder 206, and an L-shaped block 207; a first cylinder 201 is rotatably arranged on the inner wall of the first through hole 102; a first fixing block 202 is fixedly connected to the outer wall of the first cylinder 201; a fourth groove 203 is opened at the left end of the first fixing block 202; second through holes 204 are penetrated through the upper and lower ends of the first fixing block 202; two through-blocks 205 are fixedly connected to the upper end of the pipe body outer shell 101; the inner wall of the through-block 205 is fitted with the outer wall of the first cylinder 201; a second cylinder 206 is fixedly connected to the lower end of the first cylinder 201; the outer wall of the second cylinder 206 is fitted with the inner wall of the third groove 106; an L-shaped block 207 is fixedly connected to the outer wall of the second cylinder 206; the two L-shaped blocks 207 are symmetric about the center of the second groove 104; the protruding parts on the outer walls of the two L-shaped blocks 207 are mutually fitted; the upper and lower ends of the second cylinder 206 and the L-shaped block 207 are fitted with the upper and lower ends of the second groove 104.

[0026] Please refer to Figure 5, in this embodiment, the dial assembly 3 includes a second fixing block 301, a third through hole 302, a fourth through hole 303, a first gear 304, a fifth through hole 305, a U-shaped rod 306, and a second gear 307; two second fixing blocks 301 are fixedly connected to the upper end of the pipe body housing 101; two third through holes 302 are formed through the front and rear ends of the second fixing block 301; two fourth through holes 303 are formed through the front and rear ends of the second fixing block 301; a first gear 304 and a second gear 307 are rotatably installed at one end of the two second fixing blocks 301 close to each other; the inner wall of the fourth through hole 303 and the inner wall of the second gear 307 are in the same plane; a uniformly distributed fifth through hole 305 is formed through the front and rear ends of the first gear 304; the outer wall of the fifth through hole 305 and the outer wall of the third through hole 302 are in the same plane; the outer walls of the first gear 304 and the second gear 307 are engaged; a U-shaped rod 306 is movably arranged on the inner walls of the two third through holes 302; the outer wall of the rear end of the U-shaped rod 306 is adapted to the third through hole 302; the U-shaped rod 306 passes through the third through hole 302 and the fifth through hole 305 and extends to the rear end of the other second fixing block 301.

[0027] Please refer to Figure 6 , in this embodiment, the transmission assembly 4 includes a third fixing block 401, a third cylinder 402, a thread groove 403, and a double-threaded screw 404; a third fixing block 401 is movably arranged on the inner wall of the fourth groove body 203; third cylinders 402 are fixedly connected to the upper and lower ends of the third fixing block 401; the outer wall of the third cylinder 402 is attached to the inner wall of the second through hole 204; thread grooves 403 are formed through the front and rear ends of the third fixing block 401; a double-threaded screw 404 is fixedly connected to the inner wall of the second gear 307; the inner wall of the fourth through hole 303 is attached to the outer wall at the center of the double-threaded screw 404; the thread directions of the front and rear ends of the double-threaded screw 404 are opposite; the thread groove 403 is adapted to the outer wall of the double-threaded screw 404 with threads, and the second valve assembly 5 includes a T-shaped plate 501, a fifth groove body 502, a stud 503, and a nut 504; a T-shaped plate 501 is movably arranged on the inner wall of the first groove body 103; symmetric fifth groove bodies 502 are formed through the left and right ends of the T-shaped plate 501; a stud 503 is fixedly connected to the left end of the third fixing block 401; the stud 503 passes through the left end of the T-shaped plate 501 and is threadedly installed with a nut 504; the right end of the nut 504 is attached to the left end of the T-shaped plate 501; the outer wall of the T-shaped plate 501 is attached to the inner wall of the first groove body 103; the outer wall of the lower end of the T-shaped plate 501 is attached to the inner wall of the first limiting groove 105; the groove body formed by the two fifth groove bodies 502 is in an eight-shaped; the inner wall of the fifth groove body 502 is attached to the outer wall of the stud 503.

[0028] When the valve needs to be closed, the first gear 304 is rotated to drive the second gear 307 to rotate. The second gear 307 drives the double-threaded screw rod 404 to rotate. Two third fixing blocks 401 on the double-threaded screw rod 404 approach each other through the double-threaded screw rod 404. The third fixing blocks 401 drive the two first fixing blocks 202 to rotate towards the approaching end, thereby driving the first cylinder 201 to rotate the second cylinder 206. The outer wall protrusions of the two L-shaped blocks 207 are mutually attached to the inner wall of the second groove body 104 to form a sealing structure for blocking the liquid on the inner wall of the second groove body 104;

[0029] Meanwhile, when the third fixing blocks 401 approach each other on the double-threaded screw rod 404, the studs 503 on the third fixing blocks 401 approach each other on the inner wall of the fifth groove body 502, driving the T-shaped plate 501 to move downward. The lower end of the T-shaped plate 501 fits with the lower end of the first limiting groove 105, and can seal and block the left end of the second groove body 104;

[0030] Then, when rotated to the appropriate position, the U-shaped rod 306 is inserted into the third through hole 302 and the fifth through hole 305 through the third through hole 302 to fix the first gear 304.

[0031] Through the above steps, when the opening and closing of the valve need to be controlled, the dial assembly 3 is rotated to drive the transmission assembly 4 to rotate. The transmission assembly 4 will drive the first valve assembly 2 to rotate towards the approaching end. At the same time, when the transmission assembly 4 rotates, it will drive the second valve assembly 5 to move downward. The second valve assembly 5 closes the left end of the pipe body assembly 1, and at the same time the transmission assembly 4 drives the first valve assembly 2 to close the center of the pipe body assembly 1. By setting two valve assemblies, the sealing performance of the valve is improved.

[0032] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. A valve sealing device that can be flexibly opened and closed, comprising a pipe body assembly (1); characterized in that: The invention also comprises a first valve assembly (2), a thumbwheel assembly (3), a transmission assembly (4) and a second valve assembly (5); the first valve assembly (2) for controlling closing is arranged on the tube body assembly (1); the thumbwheel assembly (3) for adjustment is arranged on the tube body assembly (1); the transmission assembly (4) for regulating control is arranged on the thumbwheel assembly (3); and the second valve assembly (5) for front end closing is arranged on the transmission assembly (4).

2. The flexible opening and closing valve sealing device according to claim 1, characterized in that: The tube body assembly (1) comprises a tube body shell (101), a first through hole (102), a first slot body (103), a second slot body (104), a first limiting slot (105) and a third slot body (106); the upper end of the tube body shell (101) is provided with two first through holes (102); the upper end of the tube body shell (101) is provided with a first slot body (103); the left and right ends of the tube body shell (101) are provided with second slot bodies (104); the inner wall of the second slot body (104) is provided with symmetrical third slot bodies (106); the lower end of the inner wall of the second slot body (104) is provided with a first limiting slot (105); the inner walls at the front and rear ends of the first limiting slot (105) are in the same plane as the inner walls at the front and rear ends of the first slot body (103).

3. The valve sealing device capable of flexible opening and closing according to claim 2, wherein: The first valve assembly (2) comprises a first column (201), a first fixed block (202), a fourth groove (203), a second through hole (204), a through block (205), a second column (206) and an L-shaped block (207); the first column (201) is rotatably arranged on the inner wall of the first through hole (102); the first fixed block (202) is fixedly connected to the outer wall of the first column (201); the fourth groove (203) is provided at the left end of the first fixed block (202); the second through hole (204) is penetrated and opened at the upper and lower ends of the first fixed block (202); the upper end of the tube shell (101) is fixedly connected to the outer wall of the tube shell (101); There are two through-hole blocks (205); the inner wall of the through-hole block (205) fits with the outer wall of the first column (201); the lower end of the first column (201) is fixedly connected to the second column (206); the outer wall of the second column (206) fits with the inner wall of the third trough (106); the outer wall of the second column (206) is fixedly connected to an L-shaped block (207); the two L-shaped blocks (207) are symmetrical about the center of the second trough (104); the outer wall protrusions of the two L-shaped blocks (207) fit with each other; the upper and lower ends of the second column (206) and the L-shaped block (207) fit with the upper and lower ends of the second trough (104).

4. A valve sealing device capable of flexible opening and closing according to claim 2, characterized in that: The dial wheel assembly (3) includes a second fixing block (301), a third through hole (302), a fourth through hole (303), a first gear (304), a fifth through hole (305), a U-shaped rod (306) and a second gear (307); two second fixing blocks (301) are fixedly connected to the upper end of the pipe body housing (101); two third through holes (302) are formed through the front and rear ends of the second fixing block (301); two fourth through holes (303) are formed through the front and rear ends of the second fixing block (301); a first gear (304) and a second gear (307) are rotatably installed at one end of the two second fixing blocks (301) close to each other; the inner wall of the fourth through hole (303) and the inner wall of the second gear (307) are in the same plane; a uniformly distributed fifth through hole (305) is formed through the front and rear ends of the first gear (304); the outer wall of the fifth through hole (305) and the outer wall of the third through hole (302) are in the same plane; the outer walls of the first gear (304) and the second gear (307) are engaged; a U-shaped rod (306) is movably arranged on the inner walls of the two third through holes (302); the outer wall of the rear end of the U-shaped rod (306) is adapted to the third through hole (302); the U-shaped rod (306) passes through the third through hole (302) and the fifth through hole (305) and extends to the rear end of the other second fixing block (301).

5. The valve sealing device capable of flexible opening and closing according to claim 4, characterized in that: The transmission assembly (4) includes a third fixing block (401), a third cylinder (402), a thread groove (403) and a double-threaded screw (404); a third fixing block (401) is movably arranged on the inner wall of the fourth groove body (203); third cylinders (402) are fixedly connected to the upper and lower ends of the third fixing block (401); the outer wall of the third cylinder (402) is attached to the inner wall of the second through hole (204); a thread groove (403) is formed through the front and rear ends of the third fixing block (401); a double-threaded screw (404) is fixedly connected to the inner wall of the second gear (307); the inner wall of the fourth through hole (303) is attached to the outer wall at the center of the double-threaded screw (404); the thread directions of the front and rear ends of the double-threaded screw (404) are opposite; the thread groove (403) is adapted to the outer wall of the double-threaded screw (404) with threads.

6. The valve sealing device capable of flexible opening and closing according to claim 5, characterized in that: The second valve assembly (5) includes a T-shaped plate (501), a fifth groove body (502), a stud (503) and a nut (504); a T-shaped plate (501) is movably arranged on the inner wall of the first groove body (103); symmetric fifth groove bodies (502) are formed through the left and right ends of the T-shaped plate (501); a stud (503) is fixedly connected to the left end of the third fixing block (401); the stud (503) passes through the left end of the T-shaped plate (501) and is threadedly installed with a nut (504); the right end of the nut (504) is attached to the left end of the T-shaped plate (501); the outer wall of the T-shaped plate (501) is attached to the inner wall of the first groove body (103); the outer wall of the lower end of the T-shaped plate (501) is attached to the inner wall of the first limiting groove (105).

7. A valve sealing device capable of flexible opening and closing according to claim 1, characterized in that: The troughs formed by the two fifth trough bodies (502) are in a figure-eight shape; the inner wall of the fifth trough body (502) fits against the outer wall of the stud (503).

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