Valve seat structure of gate valve

Abstract

The utility model discloses a gate valve seat structure which comprises a main body unit which comprises a bearing plate and a sliding groove formed in the upper surface of the bearing plate in a hollowed-out mode. And the rotary adjusting unit comprises a pipeline fixedly connected to the upper surface of the supporting block and a mounting block fixedly connected to one side of the pipeline. The flange ring on one side of the pipeline is connected with external equipment, when the pipelines on the two sides cannot be kept on the same horizontal line, the rotating disc is rotated, the driving gear is driven by the rotating disc to rotate, then the driving gear drives the secondary gear to rotate, and then the bearing block is driven by the secondary gear to rotate; and therefore, the whole equipment can be adjusted according to the direction of the port of the external equipment at the other end, and the connecting effect of the gate valve and the equipment on the two sides is improved to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field of gate valve seat structures, in particular to a gate valve seat structure. Background Art

[0002] At present, gate valves are used on pipelines in the power, hydraulic, petrochemical and metallurgical industries to cut off the liquid in the pipeline. Existing gate valves are usually composed of a valve body, a valve seat, a gate, a valve stem, a long-necked valve cover, a handwheel, etc.

[0003] During installation, the existing gate valves are usually not tightly connected at one end due to the inclination of the pipeline. As a result, after long-term use, the connection effect on the flange side is reduced, which leads to leakage in the gate valve and affects the normal working state of the equipment. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the existing gate valve seat structure, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a gate valve seat structure, which is suitable for solving the problem that the existing gate valve is usually not tightly connected at one end due to the inclination of the pipeline during installation, which leads to the reduction of the connection effect on the flange side after long-term use, thereby causing leakage of the gate valve and affecting the normal working state of the equipment.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a gate valve seat structure, comprising:

[0008] The main unit comprises a load-bearing plate and a sliding groove hollowed out on the upper surface of the load-bearing plate, a support rod is slidably connected in the sliding groove, and a support block is fixedly connected to the upper surface of the support rod;

[0009] A rotation adjustment unit comprises a support block having a pipeline fixedly connected to the upper surface thereof and a mounting block fixedly connected to one side of the pipeline, a limit block fixedly connected inside the mounting block, a valve flap slidably connected inside the limit block, a connecting block fixedly connected to the upper surface of the valve flap, a rotating ring fixedly connected to the upper surface of the connecting block, a shaft rotatably connected inside the rotating ring, a load-bearing block fixedly connected to the lower surface of the mounting block, a support shaft fixedly connected to the lower surface of the load-bearing block, a secondary gear fixedly connected to the lower surface of the support shaft, and a driving gear meshingly connected to one side of the secondary gear.

[0010] As a preferred solution of a gate valve seat structure of the utility model, wherein: a base is fixedly connected to the lower surface of the load-bearing plate, the number of the bases is several, and the several bases are evenly and symmetrically distributed on the lower surface of the load-bearing plate, the number of the sliding grooves is two groups, and the two groups of sliding grooves are symmetrical about the center of the load-bearing plate.

[0011] As a preferred solution of the gate valve seat structure of the utility model, wherein: an annular plate is fixedly connected to the upper surface of the mounting block, and an end cap is fixedly connected to one side of the annular plate.

[0012] As a preferred solution of the gate valve seat structure of the utility model, wherein: the upper surface of the end cap is fixedly connected to a limit tube, one end of the shaft is fixedly connected to a hand wheel, and the upper surface of the driving gear is fixedly connected to a rotating shaft.

[0013] As a preferred solution of the gate valve seat structure of the utility model, one end of the rotating shaft passes through one side of the load-bearing plate, and the rotating shaft is rotatably connected in the load-bearing plate, and the other end of the rotating shaft is fixedly connected to a rotating disk.

[0014] As a preferred solution of a gate valve seat structure of the utility model, wherein: the lower surfaces of the driving gear and the secondary gear are fixedly connected with a U-shaped support rod, and the end of the U-shaped support rod away from the driving gear or the secondary gear is fixedly connected to the lower surface of the load-bearing plate, and both ends of the pipeline are fixedly connected with flange rings.

[0015] Beneficial effects of the utility model:

[0016] When the equipment is working normally, the flange ring on one side of the pipeline is used to connect with the external equipment. When the pipelines on both sides cannot maintain the same horizontal line, the rotating disk is rotated to drive the active gear to rotate through the rotating disk, and then the active gear drives the secondary gear to rotate, and then the secondary gear drives the load-bearing block to rotate, so that the pipeline is driven synchronously during the rotation process, so that the whole equipment can be adjusted according to the direction of the port of the external equipment at the other end, thereby improving the connection effect between the gate valve and the equipment on both sides to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of a gate valve seat structure proposed by the utility model;

[0019] Figure 2 A schematic diagram of the structure of a rotation adjustment unit of a gate valve seat structure proposed by the utility model;

[0020] Figure 3 The utility model provides a schematic diagram of the driving gear distribution structure of the gate valve seat structure.

[0021] Description of the drawings: 100, main unit; 101, load-bearing plate; 102, base; 103, sliding groove; 104, support rod; 105, support block; 200, rotation adjustment unit; 201, pipeline; 202, mounting block; 203, annular plate; 204, hand wheel; 205, limit tube; 206, end cap; 207, shaft; 208, shaft; 209, limit block; 210, valve disc; 211, flange ring; 212, connecting block; 213, load-bearing block; 214, support shaft; 215, secondary gear; 216, rotating disk; 217, rotating shaft; 218, driving gear. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objectives, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the "one embodiment" or "embodiment" referred to herein refers to a specific feature structure or characteristic that can be included in at least one implementation of the utility model. The "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments alone or selectively.

[0025] Secondly, the utility model is described in detail with reference to the schematic diagram. When describing the embodiments of the utility model, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the utility model. In addition, in actual production, the three-dimensional space dimensions of length, width and depth should be included.

[0026] Reference Figure 1 - Figure 3 , which is an embodiment of the utility model, provides a gate valve seat structure, including a main body unit 100 and a rotation adjustment unit 200.

[0027] The main unit 100 includes a load-bearing plate 101 and a sliding groove 103 hollowed out on the upper surface of the load-bearing plate 101, a support rod 104 is slidably connected in the sliding groove 103, a support block 105 is fixedly connected to the upper surface of the support rod 104, a base 102 is fixedly connected to the lower surface of the load-bearing plate 101, the number of the bases 102 is several, and the several bases 102 are evenly and symmetrically distributed on the lower surface of the load-bearing plate 101, the number of the sliding grooves 103 is two groups, and the two groups of sliding grooves 103 are symmetrical about the center of the load-bearing plate 101;

[0028] The rotation adjustment unit 200 includes a pipe 201 fixedly connected to the upper surface of the support block 105 and a mounting block 202 fixedly connected to one side of the pipe 201. The flange ring 211 on one side of the pipe 201 is used to connect with external equipment. When the pipes 201 on both sides cannot maintain the same horizontal line, the rotating disk 216 is rotated to drive the driving gear 218 to rotate through the rotating disk 216, and then the driving gear 218 drives the secondary driving gear 215 to rotate. The limiting block is fixedly connected inside the mounting block 202. 209, a valve flap 210 is slidably connected in the limit block 209, a connecting block 212 is fixedly connected to the upper surface of the valve flap 210, a rotating ring 208 is fixedly connected to the upper surface of the connecting block 212, a shaft 207 is rotatably connected in the rotating ring 208, a bearing block 213 is fixedly connected to the lower surface of the mounting block 202, a support shaft 214 is fixedly connected to the lower surface of the bearing block 213, a secondary driving gear 215 is fixedly connected to the lower surface of the support shaft 214, and a driving gear 218 is meshed and connected to one side of the secondary driving gear 215, and the mounting block 202 is fixedly connected to the lower surface of the bearing block 213, and a driving gear 218 is meshed and connected to the lower surface of the supporting shaft 214. The upper surface of the block 202 is fixedly connected to an annular plate 203, one side of the annular plate 203 is fixedly connected to an end cap 206, the upper surface of the end cap 206 is fixedly connected to a limit tube 205, one end of the shaft 207 is fixedly connected to a hand wheel 204, the upper surface of the driving gear 218 is fixedly connected to a rotating shaft 217, one end of the rotating shaft 217 penetrates and connects to one side of the bearing plate 101, and the rotating shaft 217 is rotatably connected in the bearing plate 101, and the other end of the rotating shaft 217 is fixedly connected to a rotating disk 216, the driving gear 218 and the secondary A U-shaped support rod is fixedly connected to the lower surface of the moving gear 215, and the load-bearing block 213 is driven to rotate through the secondary moving gear 215, so that the pipeline 201 is driven synchronously during the rotation process, so that the entire equipment can be adjusted according to the direction of the external equipment port at the other end, thereby improving the connection effect between the gate valve and the equipment on both sides to a certain extent, and the U-shaped support rod is fixedly connected to the lower surface of the load-bearing plate 101 at one end away from the driving gear 218 or the secondary moving gear 215, and flange rings 211 are fixedly connected to both ends of the pipeline 201.

[0029] When the equipment is working normally, the flange ring 211 on one side of the pipeline 201 is used to connect with the external equipment. When the pipelines 201 on both sides cannot maintain the same horizontal line, the rotating disk 216 is rotated to drive the driving gear 218 to rotate through the rotating disk 216, and then the driving gear 218 drives the secondary gear 215 to rotate, and then the secondary gear 215 drives the load-bearing block 213 to rotate, so that the pipeline 201 is driven synchronously during the rotation process, so that the whole equipment can be adjusted according to the direction of the port of the external equipment at the other end, thereby improving the connection effect between the gate valve and the equipment on both sides to a certain extent.

[0030] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A gate valve seat structure, characterized in that: include: A main body unit (100) comprises a load-bearing plate (101) and a sliding groove (103) hollowed out and arranged on the upper surface of the load-bearing plate (101), a support rod (104) being slidably connected in the sliding groove (103), and a support block (105) being fixedly connected to the upper surface of the support rod (104); A rotation adjustment unit (200) comprises a support block (105) having an upper surface fixedly connected to a pipeline (201) and a mounting block (202) fixedly connected to one side of the pipeline (201); a limit block (209) fixedly connected inside the mounting block (202); a valve flap (210) slidably connected inside the limit block (209); a connecting block (212) fixedly connected to the upper surface of the valve flap (210); a rotating ring (208) fixedly connected to the upper surface of the connecting block (212); a shaft (207) rotatably connected inside the rotating ring (208); a bearing block (213) fixedly connected to the lower surface of the mounting block (202); a support shaft (214) fixedly connected to the lower surface of the bearing block (213); a secondary gear (215) fixedly connected to the lower surface of the support shaft (214); a driving gear (218) meshingly connected to one side of the secondary gear (215).

2. A gate valve seat structure according to claim 1, characterized in that: The lower surface of the load-bearing plate (101) is fixedly connected to a base (102); the bases (102) are provided in a plurality and are symmetrically distributed on the lower surface of the load-bearing plate (101); the sliding grooves (103) are provided in two groups and are symmetrical about the center of the load-bearing plate (101).

3. A gate valve seat structure according to claim 1, characterized in that: An annular plate (203) is fixedly connected to the upper surface of the mounting block (202), and an end cap (206) is fixedly connected to one side of the annular plate (203).

4. A gate valve seat structure according to claim 3, characterized in that: The upper surface of the end cap (206) is fixedly connected to a limit tube (205), one end of the shaft rod (207) is fixedly connected to a hand wheel (204), and the upper surface of the driving gear (218) is fixedly connected to a rotating shaft (217).

5. A gate valve seat structure according to claim 4, characterized in that: One end of the rotating shaft (217) passes through one side of the load-bearing plate (101), and the rotating shaft (217) is rotatably connected inside the load-bearing plate (101), and the other end of the rotating shaft (217) is fixedly connected to a rotating disk (216).

6. The gate valve seat structure according to claim 1, characterized in that: The lower surfaces of the driving gear (218) and the secondary gear (215) are both fixedly connected with a U-shaped support rod, and one end of the U-shaped support rod away from the driving gear (218) or the secondary gear (215) is fixedly connected to the lower surface of the bearing plate (101), and both ends of the pipe (201) are fixedly connected with flange rings (211).

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