Gate valve convenient to disassemble

Abstract

The utility model relates to the technical field of gate valves, in particular to a gate valve convenient to disassemble, which comprises a gate valve body, and the lower surface of the gate valve body is fixedly connected with a connecting pipe. The threaded pipe fixedly connected to the outer surface of the external pipe is rotationally connected with the threaded groove formed in the inner side of the connecting piece, so that the sealing ring and the sealing adhesive tape are inserted into the sealing groove formed in the inner side of the connecting pipe, and meanwhile, the insertion block fixedly connected to the outer side of the fixing ring is inserted into the insertion groove formed in the inner side of the connecting piece. Then a screw rod is rotated, so that a connecting plate drives a fixing rod and a clamping block to move downwards, the clamping block is inserted into a clamping groove formed in the upper surface of an inserting block, the external pipe and the connecting pipe are fixedly connected, and therefore the external pipe and the connecting pipe are convenient to mount and dismount; and the gate valve body does not need to be mounted and dismounted through a tool, so that the gate valve body is convenient to overhaul.

Description

Technical Field

[0001] The utility model relates to the technical field of gate valves, in particular to a gate valve which is easy to disassemble. Background Art

[0002] The function of the gate valve is to connect or cut off the flow of pipeline media, change the flow of media, change the flow direction of media, adjust the pressure and flow of media, and protect the normal operation of pipeline equipment.

[0003] When the gate valve is in use, both ends of the gate valve are connected to the water pipe, and flanges are usually used to fix the two groups. However, when inspecting the gate valve, special tools are required and a lot of time is spent to remove the threads on the flange before the gate valve can be removed from the water pipe, making the removal more troublesome. Utility Model Content

[0004] The utility model aims to provide a gate valve that is easy to disassemble, so as to solve the problem in the above-mentioned background technology that when repairing the gate valve, it is necessary to carry special tools and spend a lot of time to remove the threads on the flange before the gate valve can be removed from the water pipe, which makes the disassembly more troublesome.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gate valve that is easy to disassemble, comprising a gate valve body, a connecting pipe is fixedly connected to the lower surface of the gate valve body, a connecting piece is fixedly connected to the outer surface of the connecting pipe, a sealing groove is provided on the inner side of the connecting pipe, a sealing ring is slidably connected to the inner side of the sealing groove, a sealing tape is wound around the outer surface of the sealing ring, an external pipe is fixedly connected to the outer surface of the sealing tape, a threaded pipe is fixedly provided on the outer surface of the external pipe, a threaded pipe is fixedly provided on the outer surface of the connecting piece, a fixing ring is fixedly connected to the outer surface of the fixing ring, an insert is fixedly connected to the upper surface of the insert, a card groove is provided on the upper surface of the insert, a slot is provided on the outer side of the connecting piece, a rotating groove is rotatably connected to the upper surface of the rotating groove, a screw is fixedly connected to the upper surface of the rotating groove, the outer surface of the screw is connected to a connecting plate through a screw sleeve, a guide rod is slidably connected to the inner side of the connecting plate, a fixing rod is fixedly connected to the lower surface of the connecting plate, and a card block is fixedly connected to the lower surface of the fixing rod.

[0006] Preferably, the sealing groove is an annular groove, the sealing ring is annular in shape, the sealing ring is slidably connected to the inner side of the sealing groove, and the sealing tape is strip-shaped, the sealing tape is wrapped around and connected to the outer side of the sealing ring, and its function is to wrap the sealing tape around the outer surface of the sealing ring, and then slide the sealing ring and the sealing tape to the inner side of the sealing groove, thereby ensuring the sealing of the connection between the external pipe and the connecting pipe.

[0007] Preferably, the threaded tube is rotatably connected to the screw groove, the fixing ring is in the shape of an annular plate, the plug block is in the shape of an arc-shaped plate, the plug blocks are in four groups, and the slot is in the shape of an arc-shaped groove, which functions to be rotatably connected to the screw groove through the threaded tube, so that the external tube can be connected to the outer end of the connecting tube.

[0008] Preferably, the slot is an arc-shaped groove, and the card slot is slidably connected to the inner side of the slot, so that when the external pipe is rotationally connected to the connecting pipe, the plug fixedly connected to the outer surface of the fixing ring will simultaneously slide and connect into the inner side of the slot.

[0009] Preferably, the rotating groove is in the shape of a circular groove, and the screw is in the shape of a rod. The screw is rotatably connected to the outer surface of the connecting piece, and the outer surface of the screw is connected to the connecting plate through a screw sleeve. Its function is to rotate the screw so that the connecting plate moves up and down on the outer surface of the screw, thereby driving the card block to move above the connecting piece, making it convenient to insert the card block into the inner side of the slot.

[0010] Preferably, the guide rod is in a "T" shape, the guide rod is fixedly connected to the upper surface of the connecting piece, and the screw rod is rotatably connected to the inner side of one end of the guide rod, which serves to make the movement of the connecting plate more stable.

[0011] Preferably, the fixing rod is rod-shaped, the upper surface of the connecting piece is provided with a groove matched with the clamping block, the clamping block is in the shape of an arc plate, the clamping block is matched with the clamping groove, and the clamping block is plugged into the inner side of the clamping groove. Its function is to fix the external tube and the connecting pipe by inserting the clamping block into the clamping groove formed on the upper surface of the plug-in block, thereby facilitating the installation and disassembly of the external tube and the connecting pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By rotating the threaded tube fixedly connected to the outer surface of the external tube and connecting it to the screw groove opened on the inner side of the connecting piece, the sealing ring and the sealing tape are inserted into the sealing groove opened on the inner side of the connecting pipe. At the same time, the plug-in block fixedly connected to the outer side of the fixing ring is plug-in connected to the slot opened on the inner side of the connecting piece, thereby preliminarily connecting the external tube to the connecting pipe. Then, by rotating the screw rod, the connecting plate drives the fixing rod and the block to move downward, so that the block is inserted into the slot opened on the upper surface of the plug-in block, thereby fixing the external tube to the connecting pipe. This facilitates the installation and disassembly of the external tube and the connecting pipe, and no tools are needed to install and disassemble the gate valve body, thereby facilitating the inspection and maintenance of the gate valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a side perspective schematic diagram of the structure of the utility model;

[0016] Figure 3 It is a partial plan view of the structure of the utility model;

[0017] Figure 4 For this utility model Figure 1 A three-dimensional schematic diagram of the connection structure between the middle connecting pipe and the external connecting pipe;

[0018] Figure 5 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A in the middle.

[0019] In the figure: 1. gate valve body; 2. connecting pipe; 3. connecting piece; 4. sealing groove; 5. sealing ring; 6. sealing tape; 7. external pipe; 8. threaded pipe; 9. screw groove; 10. fixing ring; 11. plug block; 12. slot; 13. slot; 14. rotating groove; 15. screw rod; 16. connecting plate; 17. guide rod; 18. fixing rod; 19. clamping block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 , an embodiment provided by the utility model:

[0022] A gate valve that is easy to disassemble comprises a gate valve body 1, a connecting pipe 2 is fixedly connected to the lower surface of the gate valve body 1, a connecting piece 3 is fixedly connected to the outer surface of the connecting pipe 2, a sealing groove 4 is provided on the inner side of the connecting pipe 2, a sealing ring 5 is slidably connected to the inner side of the sealing groove 4, a sealing tape 6 is wound around the outer surface of the sealing tape 6, an external pipe 7 is fixedly connected to the outer surface of the external pipe 7, a threaded pipe 8 is fixedly provided on the outer surface of the external pipe 7, a screw groove 9 is provided on the inner side of the connecting piece 3, a fixing screw 9 is fixedly provided on the outer surface of the external pipe 7 A fixed ring 10 is provided, and an insert block 11 is fixedly connected to the outer surface of the fixed ring 10, a slot 12 is provided on the upper surface of the insert block 11, a slot 13 is provided on the outer side of the connecting member 3, a rotating groove 14 is rotatably connected to the upper surface of the connecting member 3, a screw 15 is fixedly connected to the upper surface of the rotating groove 14, a connecting plate 16 is connected to the outer surface of the screw 15 through a threaded sleeve, a guide rod 17 is slidably connected to the inner side of the connecting plate 16, a fixing rod 18 is fixedly connected to the lower surface of the connecting plate 16, and a block 19 is fixedly connected to the lower surface of the fixing rod 18.

[0023] Furthermore, the sealing groove 4 is an annular groove, the sealing ring 5 is annular in shape, the sealing ring 5 is slidably connected to the inner side of the sealing groove 4, the sealing tape 6 is strip-shaped, and the sealing tape 6 is wrapped around the outer side of the sealing ring 5. Its function is to wrap the sealing tape 6 around the outer surface of the sealing ring 5, and then slide the sealing ring 5 and the sealing tape 6 to the inner side of the sealing groove 4, thereby ensuring the sealing of the connection between the external pipe 7 and the connecting pipe 2.

[0024] Furthermore, the threaded tube 8 is rotatably connected to the screw groove 9, the fixing ring 10 is in the shape of an annular plate, the plug block 11 is in the shape of an arc-shaped plate, the plug block 11 is in four groups, and the slot 12 is an arc-shaped groove, which functions to be rotatably connected to the screw groove 9 through the threaded tube 8, so that the external tube 7 can be connected to the outer end of the connecting tube 2.

[0025] Furthermore, the slot 13 is an arc-shaped groove, and the card slot 12 is slidably connected to the inner side of the slot 13. Its function is that when the external pipe 7 is rotationally connected to the connecting pipe 2, the plug block 11 fixedly connected to the outer surface of the fixing ring 10 will also slide and connect into the inner side of the slot 13.

[0026] Furthermore, the rotating groove 14 is in the shape of a circular groove, and the screw 15 is in the shape of a rod. The screw 15 is rotatably connected to the outer surface of the connecting member 3. The outer surface of the screw 15 is connected to the connecting plate 16 through a screw sleeve. Its function is to rotate the screw 15 so that the connecting plate 16 moves up and down on the outer surface of the screw 15, thereby driving the block 19 to move above the connecting member 3, making it convenient to insert and connect the block 19 to the inner side of the slot 12.

[0027] Furthermore, the guide rod 17 is in a "T" shape, and is fixedly connected to the upper surface of the connecting member 3. The screw rod 15 is rotatably connected to the inner side of one end of the guide rod 17, and its function is to make the movement of the connecting plate 16 more stable.

[0028] Furthermore, the fixing rod 18 is rod-shaped, and a groove matched with the block 19 is provided on the upper surface of the connecting member 3. The block 19 is in the shape of an arc plate, and the block 19 is matched with the slot 12. The block 19 is plugged into the inner side of the slot 12. Its function is to insert the block 19 into the slot 12 formed on the upper surface of the plug block 11, thereby fixing the external pipe 7 and the connecting pipe 2, thereby facilitating the installation and disassembly of the external pipe 7 and the connecting pipe 2.

[0029] Working principle: A connecting pipe 2 is fixedly connected to the lower surface of the gate valve body 1, a connecting piece 3 is fixedly connected to the outer surface of the connecting pipe 2, a sealing groove 4 is provided on the inner side of the connecting pipe 2, a sealing ring 5 is slidably connected to the inner side of the sealing groove 4, a sealing tape 6 is wound around the outer surface of the sealing ring 5, an external pipe 7 is fixedly connected to the outer surface of the sealing tape 6, a threaded pipe 8 is fixed to the outer surface of the external pipe 7, a screw groove 9 is provided on the inner side of the connecting piece 3, a fixing ring 10 is fixedly connected to the outer surface of the external pipe 7, an insert 11 is fixedly connected to the outer surface of the fixing ring 10, a card groove 12 is provided on the upper surface of the insert 11, a slot 13 is provided on the outer side of the connecting piece 3, a rotating groove 14 is rotatably connected to the upper surface of the rotating groove 14, a screw 15 is fixedly connected to the upper surface of the rotating groove 14, a connecting plate 16 is connected to the outer surface of the screw 15 through a threaded sleeve, a guide rod 17 is slidably connected to the inner side of the connecting plate 16, and a connecting plate 16 is connected to the inner side of the connecting plate 16. The lower surface of the external pipe 7 is fixedly connected with a fixing rod 18, and the lower surface of the fixing rod 18 is fixedly connected with a clamping block 19. By rotating the threaded tube 8 fixedly connected to the outer surface of the external pipe 7 and connecting it with the screw groove 9 opened on the inner side of the connecting piece 3, the sealing ring 5 and the sealing tape 6 are inserted into the sealing groove 4 opened on the inner side of the connecting pipe 2. At the same time, the plug-in block 11 fixedly connected to the outer side of the fixing ring 10 is plugged into the slot 13 opened on the inner side of the connecting piece 3, so that the external pipe 7 is preliminarily connected to the connecting pipe 2, and then by rotating the screw 15, the connecting plate 16 drives the fixing rod 18 and the clamping block 19 to move downward, so that the clamping block 19 is inserted into the clamping groove 12 opened on the upper surface of the plug-in block 11, so that the external pipe 7 is fixedly connected to the connecting pipe 2, thereby facilitating the installation and disassembly of the external pipe 7 and the connecting pipe 2, and it is no longer necessary to install and disassemble the gate valve body 1 through tools, thereby facilitating the maintenance of the gate valve body 1.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A gate valve that is easy to disassemble, comprising a gate valve body (1), characterized in that: The lower surface of the gate valve body (1) is fixedly connected to a connecting pipe (2), the outer surface of the connecting pipe (2) is fixedly connected to a connecting piece (3), the inner side of the connecting pipe (2) is provided with a sealing groove (4), the inner side of the sealing groove (4) is slidably connected to a sealing ring (5), the outer surface of the sealing ring (5) is wound with a sealing tape (6), the outer surface of the sealing tape (6) is fixedly connected to an external pipe (7), the outer surface of the external pipe (7) is fixedly connected to a threaded pipe (8), the inner side of the connecting piece (3) is provided with a screw groove (9), the outer surface of the external pipe (7) is fixedly connected to a fixing ring (10), the fixing The outer surface of the ring (10) is fixedly connected with an insert block (11), the upper surface of the insert block (11) is provided with a clamping groove (12), the outer side of the connecting member (3) is provided with a slot (13), the upper surface of the connecting member (3) is rotatably connected with a rotating groove (14), the upper surface of the rotating groove (14) is fixedly connected with a screw rod (15), the outer surface of the screw rod (15) is connected with a connecting plate (16) through a screw sleeve, the inner side of the connecting plate (16) is slidably connected with a guide rod (17), the lower surface of the connecting plate (16) is fixedly connected with a fixing rod (18), and the lower surface of the fixing rod (18) is fixedly connected with a clamping block (19).

2. A gate valve that is easy to disassemble according to claim 1, characterized in that: The sealing groove (4) is an annular groove, the sealing ring (5) is annular in shape, the sealing ring (5) is slidably connected to the inner side of the sealing groove (4), and the sealing tape (6) is strip-shaped, the sealing tape (6) is wound around and connected to the outer side of the sealing ring (5).

3. A gate valve that is easy to disassemble according to claim 2, characterized in that: The threaded tube (8) is rotatably connected to the thread groove (9), the fixing ring (10) is in the shape of an annular plate, the insert block (11) is in the shape of an arc-shaped plate, the insert blocks (11) are in four groups, and the clamping groove (12) is in the shape of an arc-shaped groove.

4. The gate valve that is easy to disassemble according to claim 3 is characterized in that: The slot (13) is an arc-shaped groove, and the card slot (12) is slidably connected to the inner side of the slot (13).

5. The gate valve that is easy to disassemble according to claim 4 is characterized in that: The rotating groove (14) is in the shape of a circular groove, the screw rod (15) is in the shape of a rod, the screw rod (15) is rotatably connected to the outer surface of the connecting member (3), and the outer surface of the screw rod (15) is connected to the connecting plate (16) through a screw sleeve.

6. The gate valve that is easy to disassemble according to claim 1 is characterized in that: The guide rod (17) is in a "T" shape. The guide rod (17) is fixedly connected to the upper surface of the connecting piece (3). The screw rod (15) is rotatably connected to the inner side of one end of the guide rod (17).

7. The gate valve that is easy to disassemble according to claim 1 is characterized in that: The fixing rod (18) is in a rod shape, and a groove matched with a clamping block (19) is provided on the upper surface of the connecting member (3). The clamping block (19) is in an arc-shaped plate shape, and the clamping block (19) is matched with the clamping slot (12). The clamping block (19) is plugged and connected to the inner side of the clamping slot (12).

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