Gate valve

Abstract

The utility model relates to the technical field of gate valves, and discloses a gate valve which comprises a cylinder valve, the left side and the right side of the cylinder valve are both communicated with two first connecting pipes, second connecting pipes are attached to the outward sides of the first connecting pipes, and clamping holes are formed in the peripheries of the outer walls of the second connecting pipes and the first connecting pipes. Clamping blocks are clamped between the adjacent clamping holes, arc-shaped grooves are formed in the outer walls of the clamping blocks, spring steel is attached to the inner sides of the arc-shaped grooves, locking rotary knobs are in threaded connection with the front sides of the outer walls of the spring steel, and sealing rings are fixedly connected to the middles of the outward sides of the first connecting pipes. According to the water pipe connecting device, the sealing ring and the first connecting pipe are fixed, at the moment, the second connecting pipe needing to be connected is taken up and attached to the outer wall of the sealing ring to be matched, and finally the locking rotary knob is twisted to lock the spring steel, so that the water pipe on the gate valve can be conveniently and rapidly connected, and an operator can conveniently use the water pipe connecting device.

Description

Technical Field

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

[0002] The valve body is the main part of the gate valve, usually made of metal materials such as cast iron, carbon steel and stainless steel. Cast iron valve bodies are low-cost and suitable for general low-pressure and normal temperature conditions. Carbon steel valve bodies are higher in strength and can withstand higher pressures and temperatures. They are often used in industrial pipelines. Stainless steel valve bodies have good corrosion resistance and are widely used in the chemical and food industries. The valve body is generally made through a casting process. Strict quality control is required during the casting process to ensure that the internal structure of the valve body is dense and free of air holes and sand holes. The gate is a key component of the gate valve, used to cut off or conduct fluids. There are two main types, namely parallel gates and wedge gates. The two sealing surfaces of the parallel gate are parallel to each other, and it can be divided into single gates and double gates.

[0003] After searching, Chinese patent publication number: CN113294534B discloses a gate valve. A gate valve includes an engagement ring, an engagement rod, a lifting frame, a ring frame, a filter plate, and a fixed seat. The engagement ring is connected to the engagement rod in the middle of the engagement ring, the top of the lifting frame is fixedly connected to the engagement rod, the ring frame is arranged at the bottom of the lifting frame, the middle of the ring frame is provided with a filter plate, and a fixed seat is provided in the middle of the upper and lower sides and the left and right sides of the inner side of the lifting frame. The present invention facilitates the automatic disassembly and cleaning and maintenance of the baffle of the gate valve used to block the flow of the medium, thereby reducing the wear of the baffle of the gate valve that blocks the flow of the medium and increasing the service life. Although the above structure realizes easy disassembly and cleaning, it does not take into account the ability to quickly assemble the water pipe on the gate valve, resulting in a long time required to connect the water pipe, thereby reducing the efficiency of the gate valve. Utility Model Content

[0004] In order to make up for the above shortcomings, the present invention provides a gate valve, which aims to improve the problem that the existing technology does not consider the ability to quickly assemble the water pipe on the gate valve, resulting in a lot of time being consumed when connecting the water pipe, thereby reducing the efficiency of the gate valve.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a gate valve, including a cylindrical valve, the left and right sides of the cylindrical valve are connected to two connecting pipes 1, the outward side of the connecting pipe 1 is fitted with a connecting pipe 2, the outer walls of the connecting pipe 2 and the connecting pipe 1 are provided with clamping holes, and a plurality of adjacent clamping holes are fitted with clamping blocks, the outer wall of the clamping block is provided with an arc groove, the inner side of the arc groove is fitted with spring steel, the front side of the outer wall of the spring steel is threadedly connected with a locking knob, the middle part of the outward side of the connecting pipe 1 is fixedly connected to a sealing ring, and the inward side of the connecting pipe 1 is fixedly connected to two filter screens 2, and the bottom of the cylindrical valve is provided with a mounting mechanism, which is used for quick disassembly and assembly of the gate valve.

[0006] As a further description of the above technical solution:

[0007] The mounting mechanism includes a support plate, the inner side of the support plate is fixedly connected to the left and right sides of the outer wall of the cylindrical valve, a bottom plate is provided at the bottom of the support plate, a U-shaped slot is provided at the top of the bottom plate, the inner side of the U-shaped slot is engaged with the bottom of the outer wall of the support plate, two clips are engaged on the left and right sides of the top of the bottom plate, and a plurality of bolts are threadedly connected on the front and rear sides of the clips.

[0008] As a further description of the above technical solution:

[0009] The bottom of the bolt 1 is fixedly connected to the base, and the left and right sides of the top of the base are both threadedly connected with a plurality of bolts 2.

[0010] As a further description of the above technical solution:

[0011] The outward side of the connecting pipe 2 is fixedly connected with the filter screen 1, and the outer wall of the connecting pipe 2 is fixedly connected with a protective strip.

[0012] As a further description of the above technical solution:

[0013] A hollow circle is connected to the middle of the top surface of the cylindrical valve, and multiple bolts three are threadedly connected around the top surface of the hollow circle. Support rods are fixedly connected to the left and right sides of the top of the bolts three. A connecting plate is fixedly connected between two adjacent support rods, and a rotating knob is rotatably connected to the top of the connecting plate.

[0014] As a further description of the above technical solution:

[0015] The left and right sides of the top of the support plate are fixedly connected with C-shaped blocks, and the inner bottom of the support plate is fixedly connected with an arc-shaped plate.

[0016] As a further description of the above technical solution:

[0017] A plurality of protective blocks are fixedly connected to the bottom of the front and rear sides of the support plate, and the plurality of protective blocks are designed to be equidistant.

[0018] As a further description of the above technical solution:

[0019] Two anti-slide plates are fixedly connected to the left and right sides of the bottom of the base, and the two anti-slide plates are arranged at the same horizontal height.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the sealing ring is used to fix the connecting pipe 1. At this time, the connecting pipe 2 to be connected is picked up and fits on the outer wall of the sealing ring. At this time, the clamping blocks are respectively inserted into the clamping holes, and then the spring steel is picked up and fits around the inner side of the arc groove. Finally, the locking knob is twisted to lock the spring steel. Therefore, it is possible to quickly connect the water pipe on the gate valve, which is convenient for operators to use through a certain degree of convenience.

[0022] 2. In the utility model, the support plate and the cylindrical valve are fixed. At this time, the bottom of the support plate is engaged with the U-shaped groove opened on the bottom plate, and the bottom of the buckle is inserted into the top of the support plate for stability. Finally, the second bolt is twisted to stabilize it. Therefore, the gate valve can be disassembled and assembled in a relatively short time, which saves a lot of time and improves the efficiency of the gate valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a front perspective view of a gate valve proposed in the present invention;

[0024] Figure 2 This is a partial structural diagram of a gate valve proposed in the utility model;

[0025] Figure 3 This is a partial structural breakdown diagram of a gate valve proposed in the utility model;

[0026] Figure 4 This is a diagram showing the partial structure of a gate valve proposed in the present utility model;

[0027] Figure 5 This is a schematic diagram of the partial structure of a gate valve proposed by the utility model.

[0028] Legend:

[0029] 1. Cylinder valve; 2. Mounting mechanism; 201. Support plate; 202. Bottom plate; 203. Buckle; 204. U-shaped slot; 205. Bolt 1; 206. Bolt 2; 3. Anti-skid plate; 4. C-shaped block; 5. Hollow circle; 6. Connecting plate; 7. Turn knob; 8. Support rod; 9. Bolt 3; 10. Connecting pipe 1; 11. Connecting pipe 2; 12. Protective strip; 13. Base; 14. Spring steel; 15. Filter 1; 16. Locking knob; 17. Sealing ring; 18. Clamp hole; 19. Clamp block; 20. Filter 2; 21. Arc groove; 22. Protective block; 23. Arc plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Please see the attached Figure 1 - Attachment Figure 3 , the utility model provides an embodiment: a gate valve, including a cylindrical valve 1, the left and right sides of the cylindrical valve 1 are connected to two connecting pipes 10, the outward side of the connecting pipe 10 is attached to the connecting pipe 2 11, the connecting pipe 2 11 and the outer wall of the connecting pipe 10 are provided with clamping holes 18, a plurality of clamping holes 18 are adjacently engaged with a clamping block 19, the outer wall of the clamping block 19 is provided with an arc groove 21, the inner side of the arc groove 21 is attached with a spring steel 14, the front side of the outer wall of the spring steel 14 is threadedly connected with a locking knob 16, the middle part of the outward side of the connecting pipe 10 is fixedly connected to a sealing ring 17, the inward side of the connecting pipe 10 is fixedly connected to two filter screens 20, the bottom of the cylindrical valve 1 is provided with a mounting mechanism 2, the mounting mechanism 2 is used for quick disassembly and assembly of the gate valve, the outward side of the connecting pipe 2 11 is fixedly connected to the filter screen 15, and the outer wall of the connecting pipe 2 11 is fixedly connected to a protective strip 12;

[0032] Specifically, the outer peripheries of the connecting pipe 2 11 and the connecting pipe 1 10 are each provided with latch holes 18, which are evenly distributed, ensuring the stability and reliability of the connection. The multiple latch holes 18 are engaged with each other via a carefully designed latch block 19. The outer side of the latch block 19 is provided with an arcuate groove 21, the inner side of which is in close contact with the spring steel 14. The elastic properties of the spring steel 14 provide the necessary preload for the entire connection structure. The outer front end of the spring steel 14 is connected to the locking knob 16 via a thread. The material and structural design of the sealing ring 17 ensure that the interior of the pipeline is completely isolated from the external environment when connected, preventing liquid or gas leakage. Two filter screens 20 are fixedly installed inside the sealing ring 17. These filter screens 20 can effectively intercept impurities, ensure the cleanliness of the fluid, and thus protect subsequent equipment from contamination. The bottom of the column valve 1 is provided with a mounting mechanism 2. This mechanism is cleverly designed to ensure the stable installation of the column valve 1. Its unique structure also enables the rapid disassembly and assembly of the gate valve, greatly improving the efficiency of maintenance and replacement.

[0033] Please see the attached Figure 4 - Attachment Figure 5 The mounting mechanism 2 includes a support plate 201, the inner side of the support plate 201 is fixedly connected to the left and right sides of the outer wall of the cylindrical valve 1, a bottom plate 202 is provided at the bottom of the support plate 201, a U-shaped slot 204 is provided at the top of the bottom plate 202, the inner side of the U-shaped slot 204 is engaged with the bottom of the outer wall of the support plate 201, two buckles 203 are engaged on the left and right sides of the top of the bottom plate 202, and the front and rear sides of the buckles 203 are threadedly connected with a plurality of bolts 205, the bottom of the bolt 205 is fixedly connected to the base 13, and the left and right sides of the top of the base 13 are threadedly connected with a plurality of bolts 206;

[0034] Specifically, the support plate 201 is used as a component of the mechanism, and its inner side is precisely fixedly connected to the left and right sides of the outer wall of the cylindrical valve 1 to ensure the stability of the structure. The bottom plate 202 of the support plate 201 bears the weight of the entire mechanism, and a U-shaped slot 204 is provided on the top, and the inner side of the U-shaped slot 204 is tightly fitted with the bottom of the outer wall of the support plate 201, thereby enhancing the stability of the mechanism. The bottom of these bolts 1 205 is fixedly connected to the base 13, and the base 13 serves as the supporting foundation of the entire mechanism. The left and right sides of its top are threadedly connected with multiple bolts 206, and these bolts 206 further ensure the stability of the base 13, thereby providing a solid foundation for the entire installation mechanism 2.

[0035] Please see the attached Figure 1 - Attachment Figure 3, the middle part of the top surface of the cylindrical valve 1 is connected with a hollow circle 5, and the top surface of the hollow circle 5 is threadedly connected with a plurality of bolts three 9. The left and right sides of the top of the bolt three 9 are fixedly connected with support rods 8, and the two adjacent support rods 8 are fixedly connected with a connecting plate 6. The top of the connecting plate 6 is rotatably connected with a rotating knob 7. The left and right sides of the top of the support plate 201 are fixedly connected with C-shaped blocks 4, and the inner bottom of the support plate 201 is fixedly connected with an arc plate 23. The front and rear bottoms of the support plate 201 are fixedly connected with a plurality of protective blocks 22. The plurality of protective blocks 22 are all designed to be equidistant. The left and right sides of the bottom of the base 13 are fixedly connected with two anti-slide plates 3, and the two anti-slide plates 3 are set at the same horizontal height;

[0036] Specifically, the support rods 8 are firmly fixed on both sides of the top of the bolt three 9, and a connecting plate 6 is fixed adjacent to the two support rods 8. The upper end of the connecting plate 6 is connected to the rotating knob 7 through a precise rotating mechanism, so that the user can easily adjust the connecting plate 6. C-shaped blocks 4 are fixed on both sides of the top of the support plate 201. These C-shaped blocks 4 not only enhance the stability of the structure and provide convenience, but also the arc plate 23 is fixed on the inner bottom of the support plate 201. It can also better disperse the pressure and extend the service life of the equipment. A plurality of protective blocks 22 are fixed on the front and back bottoms of the support plate 201. These protective blocks 22 are designed with equidistant distribution to ensure the safety of the equipment during operation. Two anti-skid plates 3 are fixed on the left and right sides of the bottom of the base 13. These anti-skid plates 3 take into account the stability of the equipment in different working environments. They can remain stable even on smooth surfaces, prevent the equipment from sliding, and ensure the safety of operation.

[0037] Working principle: When the gate valve needs to be connected to the pipeline before use, first use the sealing ring 17 to fix it with the connecting pipe 10. At this time, pick up the connecting pipe 2 11 to be connected and fit it on the outer wall of the sealing ring 17. At this time, the clamping blocks 19 are respectively inserted into the clamping holes 18, thereby pre-connecting the connecting pipe 10 and the connecting pipe 2 11. Then, pick up the spring steel 14 and fit it around the inner side of the arc groove 21. Finally, twist the locking knob 16 to lock the spring steel 14 to ensure that the connecting pipe 10 and the connecting pipe 2 11 cannot fall off. Therefore, it is possible to quickly connect the water pipe on the gate valve, which is convenient for operators to use.

[0038] After that, the support plate 201 is fixed to the cylindrical valve 1, and the bottom of the support plate 201 is engaged with the U-shaped slot 204 opened on the bottom plate 202. At this time, the buckle 203 is picked up and inserted into the left and right sides of the top of the bottom plate 202, and the bottom of the buckle 203 is clamped into the top of the support plate 201 for stability. Then, the buckle 203 is limited by the bolt 1 205, and finally the bolt 2 206 is twisted to stabilize it with the fixed object. Therefore, the gate valve can be disassembled and assembled in a shorter time, saving a lot of time and improving the efficiency of the gate valve.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A gate valve, comprising a cylindrical valve (1), characterized in that: The left and right sides of the cylindrical valve (1) are connected to two connecting pipes (10), and the outward side of the connecting pipe (10) is fitted with a connecting pipe (11), and the outer walls of the connecting pipe (11) and the connecting pipe (10) are provided with clamping holes (18) around them. A clamping block (19) is clamped between adjacent clamping holes (18), and the outer wall of the clamping block (19) is provided with an arc groove (21), and the inner side of the arc groove (21) is fitted with a spring steel (14), and the front side of the outer wall of the spring steel (14) is threadedly connected with a locking knob (16), the middle part of the outward side of the connecting pipe (10) is fixedly connected with a sealing ring (17), and the inward side of the connecting pipe (10) is fixedly connected with two filter screens (20), and the bottom of the cylindrical valve (1) is provided with a mounting mechanism (2), and the mounting mechanism (2) is used for quick disassembly and assembly of the gate valve.

2. A gate valve according to claim 1, characterized in that: The mounting mechanism (2) includes a support plate (201), the inner side of the support plate (201) is fixedly connected to the left and right sides of the outer wall of the cylindrical valve (1), a bottom plate (202) is provided at the bottom of the support plate (201), a U-shaped slot (204) is provided at the top of the bottom plate (202), the inner side of the U-shaped slot (204) is engaged with the bottom of the outer wall of the support plate (201), two buckles (203) are engaged on the left and right sides of the top of the bottom plate (202), and a plurality of bolts (205) are threadedly connected to the front and rear sides of the buckles (203).

3. A gate valve according to claim 2, characterized in that: The bottom of the bolt 1 (205) is fixedly connected to the base (13), and the top left and right sides of the base (13) are both threadedly connected to a plurality of bolt 2 (206).

4. A gate valve according to claim 1, characterized in that: The outward side of the connecting pipe 2 (11) is fixedly connected to the filter screen 1 (15), and the outer wall of the connecting pipe 2 (11) is fixedly connected to the protective strip (12).

5. The gate valve according to claim 1, characterized in that: The middle of the top surface of the cylindrical valve (1) is connected to a hollow circle (5), and a plurality of bolts (9) are threadedly connected around the top surface of the hollow circle (5). The left and right sides of the top of the bolts (9) are fixedly connected to support rods (8), and a connecting plate (6) is fixedly connected between two adjacent support rods (8). The top of the connecting plate (6) is rotatably connected to a rotating knob (7).

6. A gate valve according to claim 2, characterized in that: The left and right sides of the top of the support plate (201) are both fixedly connected with C-shaped blocks (4), and the inner bottom of the support plate (201) is fixedly connected with an arc-shaped plate (23).

7. The gate valve according to claim 2, characterized in that: The front and rear bottoms of the support plate (201) are both fixedly connected with a plurality of protective blocks (22), and the plurality of protective blocks (22) are all designed to be equidistant.

8. The gate valve according to claim 3, characterized in that: Two anti-slide plates (3) are fixedly connected to the left and right sides of the bottom of the base (13), and the two anti-slide plates (3) are arranged at the same horizontal height.

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