Top-mounted valve

Abstract

The utility model relates to the technical field of valves, in particular to a top-mounted valve which comprises a top-mounted valve body, flange plates connected with a pipeline are symmetrically welded to the outer portion of the top-mounted valve body, and a base for supporting the top-mounted valve body is connected to the bottom of the top-mounted valve body through bolts. Driving blocks are symmetrically and slidably connected to the surface of the base, a ring sleeve located outside the top-mounted valve body is welded to one side of each driving block, springs are symmetrically welded to the interior of each ring sleeve, arc plates are welded to the ends, away from the ring sleeves, of the springs, and dustproof cloth connected with the ring sleeves is fixed to the outer portions of the arc plates through screws. A driving assembly for driving the driving block to move is arranged in the base; by means of the buffer sleeve, the spring, the arc plate, the driving assembly and the adjusting assembly, the problem that when an existing top-mounted valve is used, the joint of the valve and a pipeline is inconvenient to protect and support is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a top-mounted valve. BACKGROUND

[0002] The top-mounted valve is a valve design, and a spherical body, which is a core component, is located at an upper portion of the valve. This design makes installation and maintenance more convenient, because the sealing element and other internal components can be directly replaced and maintained without disassembling the pipeline, thereby greatly reducing maintenance time and cost.

[0003] However, when the existing top-mounted valve is used, the flange plate outside the top-mounted valve is connected with the pipeline. However, after the top-mounted valve is connected with the pipeline, the connection between the top-mounted valve and the pipeline is exposed to the outside, and foreign matters in the external environment can adhere to the surface thereof, which can easily corrode the connection between the top-mounted valve and the pipeline. In addition, since the top-mounted valve has a certain weight, the top-mounted valve can drive the pipeline to bend downward under the influence of gravity, and the sealing property of the connection between the top-mounted valve and the pipeline can be affected to a certain extent. Therefore, a top-mounted valve is provided. SUMMARY

[0004] The main purpose of the utility model is to provide a top-mounted valve. The buffer sleeve, spring, arc plate, driving assembly and adjusting assembly are arranged, and the problem that the existing top-mounted valve is inconvenient to protect and support the connection between the valve and the pipeline during use is solved.

[0005] The utility model solves technical scheme that it adopts is a kind of top-mounted valve, including top-mounted valve main part, the flange plate of top-mounted valve main part outside symmetry welding is connected with pipeline, the bottom bolt connection of top-mounted valve main part has the base of supporting top-mounted valve main part, the surface symmetry sliding connection of base has driving block, and driving block one side welding has the ring sleeve located in the outside of top-mounted valve main part, the spring of ring sleeve inside symmetry welding, and the end welding of spring far from ring sleeve has arc plate, the dust cloth of arc plate outside screw fixed is connected with ring sleeve, the driving assembly of being driven to move being provided in the inside of base, the adjusting assembly of supporting top-mounted valve main part is provided in the one side of driving assembly.

[0006] When the upper-mounted valve body is connected with the pipeline, the driving assembly in the base drives the two sets of ring sleeves to move, then the arc plates in the ring sleeves are connected with the flange plates on the upper-mounted valve body, the inner side of the arc plates is inclined downward, the arc plates are extruded by the flange plates, the springs on the side of the arc plates are compressed, then the ring sleeves move to the outside of the flange plates, the springs drive the arc plates to pop out, then the arc plates are clamped outside the pipeline, so that the ring sleeves are fixed at the connection between the upper-mounted valve body and the pipeline, and corrosion at the connection between the upper-mounted valve body and the pipeline is avoided.

[0007] Specifically, the driving assembly comprises a handle, a bidirectional screw rod, a fixing sleeve and a bearing sleeve, the handle is inserted into the outside of the base, the bidirectional screw rod is fixed on one side of the handle through screws, the fixing sleeve is symmetrically connected with the outside of the bidirectional screw rod through threads, and the top of the fixing sleeve is connected with the driving block through screws.

[0008] When the upper-mounted valve body is connected with the pipeline, the handle outside the base is rotated, then the handle drives the bidirectional screw rod to rotate, the two sets of connecting sleeves, driving blocks and ring sleeves outside the bidirectional screw rod are provided, then the two sets of connecting sleeves are limited to move horizontally and oppositely outside the bidirectional screw rod, then the two sets of connecting sleeves drive the driving blocks to move respectively, so that the positions of the ring sleeves at the bottom of the driving blocks are adjusted.

[0009] Specifically, the adjusting assembly comprises a unidirectional screw rod, a connecting sleeve, a driving gear A, a driving gear B and a bottom plate, the driving gear A is symmetrically sleeved with the bidirectional screw rod, the driving gear B is engaged with the outside of the driving gear A, the unidirectional screw rod is clamped with the inside of the driving gear B, the connecting sleeve is connected with the outside of the unidirectional screw rod through threads, and the bottom plate supporting the upper-mounted valve body on the base is welded with the outside of the connecting sleeve.

[0010] When the bidirectional screw rod is rotated, the driving gear A outside the bidirectional screw rod drives the driving gear B to rotate, then the driving gear B drives the unidirectional screw rod inside to rotate, then the connecting sleeve outside the unidirectional screw rod is limited by the external structure, drives the bottom plate to move, and the two sets of driving gears A, driving gears B, unidirectional screw rods, connecting sleeves and bottom plates outside the bidirectional screw rod are provided, so that the two sets of bottom plates move downward at the same time, the bottom plates contact with the supporting surface, and the connection between the upper-mounted valve body and the pipeline is supported.

[0011] Specifically, the bearing sleeve stabilizing the rotation of the bidirectional screw rod is fixed in the base through screws.

[0012] When the bidirectional screw rod is rotated, the bearing sleeve in the base is located outside the bidirectional screw rod, so that the bidirectional screw rod is stably rotated, and the bearing sleeve is also provided outside the unidirectional screw rod, so that the unidirectional screw rod is stably rotated.

[0013] Specifically, the bottom plate bottom screw is fixed with a rubber block for increasing friction.

[0014] By adopting the technical scheme, when the bottom plate contacts the supporting surface, the rubber block below the bottom plate increases the friction of the bottom of the bottom plate, and sliding of the bottom plate is avoided.

[0015] The utility model discloses beneficial effect has:

[0016] (1) a kind of upper-mounted valve, when the upper-mounted valve main body is connected with pipeline, the driving assembly in base drives two groups of ring sleeve to move, then the arc plate in ring sleeve is connected with the flange plate on the upper-mounted valve main body, arc plate inside is inclined downward, after arc plate is extruded by flange plate, the spring on the side of arc plate is compressed, then ring sleeve moves to the outside of flange plate, then spring drives arc plate to pop out outward, then arc plate is clamped in pipeline outside, to facilitate the fixation of ring sleeve at the junction of upper-mounted valve main body and pipeline, avoid the corrosion of the junction of upper-mounted valve main body and pipeline.

[0017] (2) a kind of upper-mounted valve, when the driving assembly in base drives ring sleeve to move, driving assembly drives the adjusting assembly in base to move, so that the bottom plate in adjusting assembly moves downward, so that the bottom plate contacts the supporting surface below, to facilitate supporting the junction of upper-mounted valve main body and pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further described below in connection with the drawings and examples.

[0019] Figure 1 It is whole structure schematic diagram for a kind of upper-mounted valve of the utility model;

[0020] Figure 2 It is ring sleeve internal structure schematic diagram for a kind of upper-mounted valve of the utility model;

[0021] Figure 3 It is base internal structure schematic diagram for a kind of upper-mounted valve of the utility model;

[0022] In the drawing: 1, upper-mounted valve main body;2, base;3, ring sleeve;4, dust cloth;5, flange plate;6, handle;7, driving block;8, spring;9, arc plate;10, driving gear A;11, bidirectional screw;12, bearing sleeve;13, driving gear B;14, connecting sleeve;15, bottom plate;16, one-way screw;17, adjusting assembly;18, driving assembly;19, fixed sleeve;20, rubber block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation characteristics, achieve the purpose and function of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] In order to avoid the corrosion of the connection between the upper-mounted valve body 1 and the pipeline, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 and Figure 3 , the utility model discloses an upper-mounted valve, including upper-mounted valve body 1, the flange plate 5 of upper-mounted valve body 1 is symmetrically welded outside and connected with the pipeline, the bottom bolt connection of upper-mounted valve body 1 has the base 2 of supporting upper-mounted valve body 1, the surface symmetric sliding connection of base 2 has the drive block 7, and drive block 7 one side welding has the ring sleeve 3 located outside upper-mounted valve body 1, the spring 8 is symmetrically welded inside ring sleeve 3, and the end away from ring sleeve 3 of spring 8 is welded with arc plate 9, the dust cloth 4 connected with ring sleeve 3 is fixed with the arc plate 9 outside, the drive assembly 18 of driving drive block 7 to move is provided in the inside of base 2, the adjusting assembly 17 of supporting upper-mounted valve body 1 is provided on one side of drive assembly 18.

[0025] In use, when the upper-mounted valve body 1 is connected with the pipeline, the drive assembly 18 in the base 2 drives two groups of ring sleeves 3 to move, then the arc plate 9 in the ring sleeve 3 is connected with the flange plate 5 on the upper-mounted valve body 1, the inner side of the arc plate 9 is inclined downward, the spring 8 on one side of the arc plate 9 is compressed after the arc plate 9 is extruded by the flange plate 5, then the ring sleeve 3 moves to the outside of the flange plate 5, then the spring 8 drives the arc plate 9 to pop out, then the arc plate 9 is clamped outside the pipeline, so that the ring sleeve 3 is fixed at the connection between the upper-mounted valve body 1 and the pipeline, the dust cloth 4 is arranged at the connection between the arc plate 9 and the ring sleeve 3, to avoid the corrosion of the connection between the upper-mounted valve body 1 and the pipeline.

[0026] In order to adjust the position of the ring sleeve 3 at the bottom of the drive block 7, as shown in Figure 3 , the utility model further includes, the drive assembly 18 includes handle 6, bidirectional screw rod 11, fixed sleeve 19 and bearing sleeve 12, the handle 6 is inserted outside base 2, and the bidirectional screw rod 11 is screw-fixed on one side of handle 6, the fixed sleeve 19 is symmetrically screw-connected outside bidirectional screw rod 11, and the top of fixed sleeve 19 is screw-connected with drive block 7.

[0027] When in use, after the main body 1 of the top-mounted valve is connected to the pipeline, the handle 6 outside the base 2 is rotated, and then the handle drives the double-acting screw 11 to rotate. There are two sets of connecting sleeves 14, driving blocks 7 and ring sleeves 3 outside the double-acting screw 11. Then the two sets of connecting sleeves 14 are limited by the structure below and move laterally in opposite directions outside the double-acting screw 11. Then the two sets of connecting sleeves 14 drive the driving blocks 7 to move, so as to facilitate the adjustment of the position of the ring sleeve 3 at the bottom of the driving blocks 7.

[0028] To support the connection between the top-mounted valve body 1 and the pipeline, for example, such as... Figure 3 As shown, the present invention also includes the adjusting assembly 17, which includes a one-way lead screw 16, a connecting sleeve 14, a drive gear A10, a drive gear B13, and a base plate 15. The two-way lead screw 11 is symmetrically sleeved with the drive gear A10, and the drive gear A10 is externally meshed with the drive gear B13. The one-way lead screw 16 is snapped into the inner side of the drive gear B13, and the connecting sleeve 14 is externally threaded to the one-way lead screw 16. The base plate 15, which supports the upper-mounted valve body 1 on the base 2, is welded to the outside of the connecting sleeve 14.

[0029] In use, when the bidirectional lead screw 11 rotates, the drive gear A10 outside the bidirectional lead screw 11 drives the drive gear B13 to rotate. Then, the drive gear B13 drives the inner unidirectional lead screw 16 to rotate. Then, the connecting sleeve 14 outside the unidirectional lead screw 16 is limited by the external structure, which drives the base plate 15 to move. At the same time, the drive gear A10, drive gear B13, unidirectional lead screw 16, connecting sleeve 14 and base plate 15 outside the bidirectional lead screw 11 are all provided in two sets, so that the two sets of base plates 15 move downward at the same time, so that the base plate 15 contacts the support surface, thereby facilitating the support of the connection between the upper valve body 1 and the pipeline.

[0030] To ensure stable rotation of the bidirectional lead screw 11, for example, such as Figure 3 As shown, the present invention also includes a bearing sleeve 12 that is screwed inside the base 2 to stabilize the rotation of the bidirectional lead screw 11.

[0031] When in use, when the bidirectional lead screw 11 rotates, the bearing sleeve 12 inside the base 2 is located outside the bidirectional lead screw 11, so that the bidirectional lead screw 11 rotates stably. At the same time, the bearing sleeve 12 is also provided outside the unidirectional lead screw 16, so that the unidirectional lead screw 16 rotates stably.

[0032] To prevent the base plate 15 from sliding, for example, such as Figure 3 As shown, the present invention also includes a rubber block 20 for increasing friction, which is screwed to the bottom of the base plate 15.

[0033] In use, when the bottom plate 15 contacts the supporting surface, the rubber block 20 below the bottom plate 15 increases the friction force at the bottom of the bottom plate 15, avoiding the bottom plate 15 from sliding.

[0034] The utility model discloses when using, when the upper installation type valve body 1 is connected with pipeline, the drive assembly 18 in base 2 drive two groups of ring cover 3 to move, then the arc plate 9 in ring cover 3 is connected with the flange plate 5 on upper installation type valve body 1, and the inside of arc plate 9 is inclined downward, after arc plate 9 is extruded by flange plate 5, the spring 8 on one side of arc plate 9 is compressed, then ring cover 3 moves to the outside of flange plate 5, subsequently spring 8 drives arc plate 9 and pops out outward, then arc plate 9 is clamped at the outside of pipeline, thereby facilitating the fixing of ring cover 3 at the connecting place of upper installation type valve body 1 and pipeline, avoiding the corrosion of the connecting place of upper installation type valve body 1 and pipeline,

[0035] When the upper installation type valve body 1 is connected with pipeline, the handle 6 outside base 2 is rotated, subsequently the handle drives the rotation of bidirectional screw rod 11, and the connecting sleeve 14, drive block 7 and ring cover 3 outside bidirectional screw rod 11 are all provided with two groups, subsequently the two groups of connecting sleeve 14 are limited to move horizontally and oppositely outside bidirectional screw rod 11, then the two groups of connecting sleeve 14 drive drive block 7 to move respectively, thereby facilitating the adjustment of the position of ring cover 3 at the bottom of drive block 7,

[0036] When bidirectional screw rod 11 rotates, the drive gear B 13 of drive gear A 10 outside bidirectional screw rod 11 drives the rotation, then drive gear B 13 drives the rotation of the inside unidirectional screw rod 16, then the connecting sleeve 14 outside unidirectional screw rod 16 is limited by external structure, drives the movement of bottom plate 15, and drive gear A 10, drive gear B 13, unidirectional screw rod 16, connecting sleeve 14 and bottom plate 15 outside bidirectional screw rod 11 are all provided with two groups, so that the two groups of bottom plate 15 move downward simultaneously, so that bottom plate 15 contacts the supporting surface, thereby facilitating the support of the connecting place of upper installation type valve body 1 and pipeline,

[0037] When bidirectional screw rod 11 rotates, the bearing sleeve 12 in base 2 is located outside bidirectional screw rod 11, so that bidirectional screw rod 11 rotates stably, and the bearing sleeve 12 is also arranged outside unidirectional screw rod 16, so that unidirectional screw rod 16 rotates stably,

[0038] The end of bidirectional screw rod 11 in contact with base 2, the end of unidirectional screw rod 16 in contact with base 2 are all provided with bearings, and the end of handle 6 in contact with base 2 is provided with a shaft sleeve,

[0039] In use, when the bottom plate 15 contacts the supporting surface, the rubber block 20 below the bottom plate 15 increases the friction force at the bottom of the bottom plate 15, avoiding the bottom plate 15 from sliding.

[0040] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A top-mount valve characterized by, The utility model provides a kind of upper-mounted valve body (1), the flange (5) being symmetrically welded outside the upper-mounted valve body (1) is connected with pipeline, the base (2) bolted at the bottom of the upper-mounted valve body (1) supports the upper-mounted valve body (1), the surface of the base (2) is symmetrically slidably connected with driving block (7), and driving block (7) one side is welded with ring sleeve (3) located outside the upper-mounted valve body (1), spring (8) is symmetrically welded inside the ring sleeve (3), and the end of spring (8) away from ring sleeve (3) is welded with arc plate (9), dust cloth (4) connected with ring sleeve (3) is fixed with arc plate (9) outside, the base (2) is provided with the driving assembly (18) of driving driving block (7) movement, the driving assembly (18) one side is provided with the adjusting assembly (17) of supporting the upper-mounted valve body (1).

2. A top-mount valve as defined in claim 1, wherein The driving assembly (18) includes a handle bar (6), a bidirectional screw rod (11), a fixed sleeve (19) and a bearing sleeve (12), the handle bar (6) is inserted into the outside of the base (2), and the bidirectional screw rod (11) is fixed on one side of the handle bar (6) by screws, the fixed sleeve (19) is symmetrically connected with the bidirectional screw rod (11) by threads on the outside, and the fixed sleeve (19) is connected with the driving block (7) by screws on the top.

3. A top-mounted valve according to claim 2, wherein The adjusting assembly (17) includes a one-way screw rod (16), a connecting sleeve (14), a driving gear A (10), a driving gear B (13) and a bottom plate (15), the driving gear A (10) is symmetrically sleeved with the bidirectional screw rod (11), the driving gear B (13) is engaged with the driving gear A (10) on the outside, the one-way screw rod (16) is clamped in the inner side of the driving gear B (13), the connecting sleeve (14) is connected with the one-way screw rod (16) by threads on the outside, and the bottom plate (15) is welded on the outside of the connecting sleeve (14) to support the upper-mounted valve body (1) on the base (2).

4. A top-mounted valve according to claim 2, wherein The bearing sleeve (12) is fixed on the inside of the base (2) by screws to stabilize the rotation of the bidirectional screw rod (11).

5. A top-mounted valve according to claim 3, wherein The rubber block (20) is fixed on the bottom of the bottom plate (15) by screws to increase the friction.

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