Multi-sealing combination valve

Abstract

The utility model relates to the technical field of combination valves, in particular to a multi-sealing combination valve which comprises a valve body, a sealing ring groove is formed in the valve body, a rubber ring is fixed in the sealing ring groove, an inner ring of the rubber ring is tightly attached to the outer portion of a spherical sealing gasket, and a metal ball is movably arranged in the spherical sealing gasket. The multi-sealing combination valve has the advantages that the inner ring of the rubber ring is tightly attached to the outer portion of the spherical sealing gasket, so that the spherical sealing gasket is stably positioned in the valve body, meanwhile, the spherical sealing gasket has the sealing effect on the interior of the valve body, the sealing effect is good, and the service life of the valve body is prolonged. The surface of the positioning piece is inserted into the positioning opening, when the rotating rod rotates in the valve body, the metal ball can be driven to rotate in the spherical sealing gasket, and therefore the metal ball rotates in the spherical sealing gasket, and liquid in the valve body can circulate.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite valve technical field, concretely is a kind of multiple sealing composite valve. BACKGROUND

[0002] In the composite valve technical field, as the key component in fluid control system, the sealing performance and the operation convenience of valve are crucial to the overall performance and operating efficiency of system.

[0003] At present, the operation mode of traditional valve is mostly dependent on manual rotation valve stem to control the opening and closing of valve, and the traditional valve design often adopts single sealing structure, and such design may exist in actual application sealing not strict, easy to leak and other problems, especially in high-pressure or corrosive fluid environment, these problems are particularly prominent.

[0004] Therefore, the utility model provides a kind of multiple sealing composite valve. UTILITY MODEL CONTENTS

[0005] The utility model is to provide a kind of multiple sealing composite valve to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of multiple sealing composite valve, comprising:

[0007] Valve body, the inside of the valve body is provided with sealing ring groove, the inside of sealing ring groove is fixed with rubber ring, the inner ring of rubber ring is tightly attached to the outside of spherical sealing pad, the inside of spherical sealing pad is movably provided with metal ball, the top surface of metal ball is provided with positioning port, the surface of positioning port is inserted with positioning sheet, the top surface of positioning sheet is integrally provided with rotating rod, and the outside of rotating rod is rotatably arranged in valve body and spherical sealing pad.

[0008] Preferably, the spherical sealing pad uses lower rubber material, the outside of spherical sealing pad is provided with through hole, and the inner surface of spherical sealing pad is tightly attached to the outside of metal ball.

[0009] Preferably, the depth of the positioning port is equal to the thickness size of the positioning sheet, and the cross section of the positioning sheet is in the shape of arc sheet.

[0010] Preferably, the top end of the rotating rod is provided with an integral stand, a rectangular port is formed in the upper side of the stand, a rectangular block is inserted into the surface of the rectangular port, the top surface of the rectangular block is integrally arranged at the bottom end of the driving rod, the outside of the driving rod is fixed in the gear, the driving rod is rotatably arranged in the shell, the gear teeth engage the thread surface of the threaded rod, the two ends of the threaded rod are provided with an integral support rod, a rotating disc is arranged at the end of the support column, and the surface of the support rod is rotatably arranged in the shell.

[0011] Preferably, the top of the support plate is provided with a threaded hole, the threaded hole is sleeved on the outside of the screw rod, the bottom end of the screw rod is integrated with the top surface of the valve body, the outside of the screw rod is provided with an integrated limiting disc, the outside of the screw rod is screwed with a nut, and the nut is arranged above the support plate.

[0012] Preferably, the screw rod is arranged in four groups, and the four groups of screw rods are arranged in an annular array about the vertical center axis of the valve body.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: when the rotating rod rotates in the valve body, the metal ball can rotate in the spherical sealing gasket, so that the rotation of the metal ball in the spherical sealing gasket can make the liquid in the valve body flow, when the end disc of the knob threaded rod rotates, the threaded surface of the threaded rod engages with the teeth of the gear, so that the gear drives the driving rod to rotate in the shell, by inserting the surface of the rectangular block into the rectangular port, the driving rod drives the rotating rod to rotate on the top of the valve body, so that the rotating rod can drive the metal ball to rotate in the valve body, the metal ball has a flow blocking effect on the liquid in the valve body, when the knob nut is screwed, the support plate can be stably installed on the top of the valve body, so that the shell can be detached from the top of the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole three-dimensional schematic view of the utility model structure;

[0015] Figure 2 It is a whole sectional view schematic view of the utility model structure;

[0016] Figure 3 It is a structure schematic view of the position relationship between the shell and the metal ball;

[0017] Figure 4 It is Figure 2 It is an enlarged schematic view of A in the middle.

[0018] In the drawing: valve body 1, screw rod 2, support plate 3, nut 4, shell 5, sealing ring groove 6, rubber ring 7, spherical sealing gasket 8, metal ball 9, positioning port 10, positioning piece 11, rotating rod 12, rectangular port 13, rectangular block 14, driving rod 15, gear 16, threaded rod 17. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme of the utility model carry on clear, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries on further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and not for the limitation of the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection.

[0020] Embodiment one, please refer to Figures 1-4 The utility model provides two technical schemes: a kind of multiple sealing composite valve, comprising:

[0021] Valve body 1, the inside of valve body 1 is provided with sealing ring groove 6, the inside of sealing ring groove 6 is fixed with rubber ring 7, the inner ring of rubber ring 7 is tightly attached to the outside of spherical sealing pad 8, spherical sealing pad 8 is movably provided with metal ball 9 in the inside, the top surface of metal ball 9 is provided with positioning port 10, positioning port 10 is inserted with positioning piece 11, the top surface of positioning piece 11 is integrally provided with rotating rod 12, rotating rod 12 is rotatably arranged in valve body 1 and spherical sealing pad 8.

[0022] By the inner ring of rubber ring 7 being tightly attached to the outside of spherical sealing pad 8, spherical sealing pad 8 is stably positioned in valve body 1, and spherical sealing pad 8 plays a sealing effect in valve body 1, by the surface of positioning piece 11 being inserted into positioning port 10, when rotating rod 12 rotates in valve body 1, metal ball 9 can be rotated in spherical sealing pad 8, so that the rotation of metal ball 9 in spherical sealing pad 8 can make liquid flow in valve body 1.

[0023] Embodiment two, refer to the attached Figures 1 to 4 On the basis of embodiment one, in order to make the liquid in valve body 1 play the effect of intercepting, the top end of rotating rod 12 is provided with an integral stand, rectangular port 13 is formed in the upper side of stand, rectangular block 14 is inserted into the surface of rectangular port 13, the top surface of rectangular block 14 is integrally arranged at the bottom end of driving rod 15, driving rod 15 is fixed in gear 16 outside, driving rod 15 is rotatably arranged in housing 5, the teeth of gear 16 are engaged with the thread surface of threaded rod 17, the both ends of threaded rod 17 are provided with an integral support rod, the end of support column is provided with rotating disc, the surface of support rod is rotatably arranged in housing 5, the bottom of housing 5 is integrally arranged on the top surface of support plate 3.

[0024] When the end of the knob threaded rod 17 rotates the disc, the threaded surface of the threaded rod 17 engages the teeth of the gear 16, so the gear 16 drives the driving rod 15 to rotate in the shell 5, by inserting the surface of the rectangular block 14 into the rectangular port 13, so the driving rod 15 drives the rotating rod 12 to rotate on the top of the valve body 1, so the rotating rod 12 can drive the metal ball 9 to rotate in the valve body 1, the metal ball 9 has the effect of cutting off the liquid in the valve body 1, by integrally arranging the bottom end of the screw rod 2 on the top surface of the valve body 1, and by inserting the outside of the screw rod 2 into the top screw hole of the support plate 3, when the knob nut 4 is rotated, the support plate 3 can be stably installed on the top of the valve body 1, so the shell 5 can be detached from the top of the valve body 1.

[0025] In actual use, by tightly attaching the inner ring of the rubber ring 7 to the outside of the spherical sealing gasket 8, the spherical sealing gasket 8 is stably positioned in the valve body 1, and the spherical sealing gasket 8 has the effect of sealing the valve body 1, by inserting the surface of the positioning piece 11 into the positioning port 10, when the rotating rod 12 rotates in the valve body 1, it can drive the metal ball 9 to rotate in the spherical sealing gasket 8, so the rotation of the metal ball 9 in the spherical sealing gasket 8 can make the liquid in the valve body 1 flow, when the end of the knob threaded rod 17 rotates the disc, the threaded surface of the threaded rod 17 engages the teeth of the gear 16, so the gear 16 drives the driving rod 15 to rotate in the shell 5, by inserting the surface of the rectangular block 14 into the rectangular port 13, so the driving rod 15 drives the rotating rod 12 to rotate on the top of the valve body 1, so the rotating rod 12 can drive the metal ball 9 to rotate in the valve body 1, the metal ball 9 has the effect of cutting off the liquid in the valve body 1, by integrally arranging the bottom end of the screw rod 2 on the top surface of the valve body 1, and by inserting the outside of the screw rod 2 into the top screw hole of the support plate 3, when the knob nut 4 is rotated, the support plate 3 can be stably installed on the top of the valve body 1, so the shell 5 can be detached from the top of the valve body 1.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made therein without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-seal composite valve, characterized in that, include: The valve body (1) has a sealing ring groove (6) inside. A rubber ring (7) is fixed inside the sealing ring groove (6). The inner ring of the rubber ring (7) is tightly attached to the outside of the spherical sealing gasket (8). A metal ball (9) is movably arranged inside the spherical sealing gasket (8). A positioning port (10) is opened on the top surface of the metal ball (9). A positioning piece (11) is inserted into the surface of the positioning port (10). A rotating rod (12) is integrally arranged on the top surface of the positioning piece (11). The external rotating rod (12) is rotatably arranged inside the valve body (1) and the spherical sealing gasket (8).

2. The multi-seal composite valve according to claim 1, characterized in that: The spherical sealing gasket (8) is made of rubber material, and the outside of the spherical sealing gasket (8) has a through hole. The inner surface of the spherical sealing gasket (8) is in close contact with the outside of the metal ball (9).

3. The multi-seal composite valve according to claim 1, characterized in that: The depth of the positioning port (10) is equal to the thickness of the positioning piece (11), and the positioning piece (11) has an arc-shaped cross-section.

4. The multi-seal composite valve according to claim 1, characterized in that: The top of the rotating rod (12) is provided with an integral column, and a rectangular opening (13) is provided on the upper side of the column. A rectangular block (14) is inserted into the surface of the rectangular opening (13). The top surface of the rectangular block (14) is integrally provided at the bottom of the driving rod (15). The outside of the driving rod (15) is fixed in the gear (16). The driving rod (15) is rotatably provided in the housing (5). The teeth of the gear (16) mesh with the thread surface of the threaded rod (17). The two ends of the threaded rod (17) are provided with integral support rods. A rotating disk is provided at the end of the support column. The surface of the support rod is rotatably provided in the housing (5). The bottom of the housing (5) is integrally provided on the top surface of the support plate (3).

5. A multi-seal composite valve according to claim 4, characterized in that: The top of the support plate (3) is provided with a screw hole, which is fitted inside the screw hole and outside the screw rod (2). The bottom end of the screw rod (2) is integrally attached to the top surface of the valve body (1). An integral limiting plate is provided outside the screw rod (2). A nut (4) is screwed to the outside of the screw rod (2). The nut (4) is located above the support plate (3).

6. A multi-seal composite valve according to claim 5, characterized in that: The screws (2) are configured in four groups, and the four groups of screws (2) are arranged in a ring array about the vertical central axis of the valve body (1).

Images