Pipeline control valve

Abstract

The utility model relates to the field of valve bodies, in particular to a pipeline control valve which comprises a control valve body and connecting pipes arranged at the two ends of the control valve body respectively, sealing connecting assemblies are connected between the control valve body and the connecting pipes respectively, and the control valve body is connected with the connecting pipes through the sealing connecting assemblies. The sealing connecting assembly comprises a first flange plate installed at one end of the control valve body, the end, close to the first flange plate, of the connecting pipe is connected with a second flange plate, a butt joint opening is formed in the first flange plate, and two notches are symmetrically formed in the outer circle of the first flange plate. After the L-shaped locking block is aligned with the notch, the inclined guide part guides the L-shaped locking block to quickly rotate into the limiting opening, the mounting convenience is improved, the first flange plate and the second flange plate are tightly attached under the elastic action of the first elastic protrusion and the second elastic protrusion, the waterproof gasket is extruded, and the waterproof effect is improved. The installation convenience of the control valve body and the connecting pipe is improved, and the sealing performance of the control valve body and the connecting pipe is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of valve bodies, in particular to a pipeline control valve. Background Art

[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure and flow) of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc.; they have the functions of shutoff, regulation, diversion, prevention of backflow, pressure stabilization, diversion or overflow pressure relief, and are mainly used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media.

[0003] Among them, the Chinese utility model patent with announcement number CN219734348U discloses a pipeline control valve, including: a connecting pipe, a fixing block is fixedly connected to the outer side of the connecting pipe at an equal angle; a control valve body, the control valve body is arranged on the right side of the connecting pipe; a sealing member, a sealing member is fixedly connected to the outer side of the control valve body, a positioning groove is provided inside the sealing member, and the cross-section of the positioning groove is an inclined structure, a sealing gasket is fixedly connected to the inner side of the sealing member, and the inner surface of the sealing gasket is tightly fitted with the outer surface of the connecting pipe, a positioning block is slidably installed up and down inside the fixing block, and the bottom cross-section of the positioning block is an inclined structure, a connecting rod is threadedly connected to the inside of the fixing block, and the bottom end of the connecting rod is rotatably installed inside the positioning block.

[0004] The above-mentioned prior art has the following defects: when installing the control valve and the corresponding connecting pipe, the corresponding positioning groove and positioning block need to be calibrated, and because there are multiple seals, the corresponding connecting rods need to be rotated one by one, which not only affects the installation efficiency of the control valve and the connecting pipe, but also causes certain installation complexity. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide a pipeline control valve, which is convenient for installing the control valve and the connecting pipeline and improves the installation efficiency of the control valve and the connecting pipeline.

[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a pipeline control valve, comprising: a control valve body and connecting pipes respectively arranged at both ends thereof, wherein a sealing connection assembly is respectively connected between the control valve body and the connecting pipe, and the control valve body and the connecting pipe are connected through the sealing connection assembly;

[0007] The sealing connection assembly comprises a flange plate 1 installed at one end of the control valve body, a flange plate 2 is connected to the end of the connecting pipe close to the flange plate 1, a docking port is provided on the flange plate 1, two notches are symmetrically provided on the outer circle of the flange plate 1, the flange plate 1 is provided with limited openings along the clockwise direction of the notches, the notches and the limited openings are respectively connected, the limited openings, the notches and the docking port are respectively arranged close to the connecting pipe, a plurality of elastic protrusions 1 are connected at intervals on the side of the limited opening away from the control valve body, a waterproof groove is provided on the docking port close to the inner circle of the flange plate 1, and a waterproof gasket is installed in the waterproof groove;

[0008] A sealing ring matching the docking port is connected to the second flange, an L-shaped locking block matching the notch is connected to the outer circle of the sealing ring, a limiting locking cavity is formed between the inner side of the L-shaped locking block and the second flange, a plurality of elastic protrusions 2 are connected to the inner side of the L-shaped locking block at intervals, and when the control valve body and the connecting pipe are connected, the L-shaped locking block is located in the limiting port and the elastic protrusions 1 and 2 are staggered.

[0009] By adopting the above technical solution, the sealing ring is clamped into the docking port, and the L-shaped locking block is aligned with the notch, and then the flange plate 2 is rotated to move the L-shaped locking block into the limit port, and under the elastic action of the elastic protrusions 1 and 2, the flange plate 1 and the flange plate 2 are tightly fitted, and the waterproof gasket is squeezed at the same time, which not only improves the installation convenience of the control valve body and the connecting pipe, but also ensures the sealing of the control valve body and the connecting pipe.

[0010] In a preferred example, the utility model can be further configured as follows: the outer surface of the flange plate 1 is provided with at least one limit groove 1, the outer surface of the flange plate 2 is provided with at least one limit groove 2, and at least one fastening assembly is installed on the side of the flange plate 1 close to the control valve body, respectively, the fastening assembly includes a U-shaped mounting seat, the inner side of the U-shaped mounting seat is hinged with a limit rod, when the L-shaped locking block is located in the limit opening, the limit groove 1 coincides with the limit groove 2, and the limit rod is located in the limit groove 1 and the limit groove 2.

[0011] By adopting the above technical solution, when the L-shaped locking block moves into the limit opening, limit groove one and limit groove two overlap, and then under the action of the limit rod, they are pressed into the groove body connected to limit groove one and limit groove two, thereby limiting flange one and flange two to prevent them from rotating and dislocating due to external force.

[0012] In a preferred example, the utility model can be further configured as follows: one end of the limit rod away from the U-shaped mounting seat is threadedly connected with a fastening nut, and when the limit rod is located in the limit groove one and the limit groove two, the fastening nut is in contact with the flange plate two.

[0013] By adopting the above technical solution, after the limiting rod is pressed into the groove body connecting the limiting groove 1 and the limiting groove 2, the fastening nut can be rotated so that the surface of the fastening nut is in close contact with the flange 2, which not only makes the connection between the flange 1 and the flange 2 tighter, but also increases the fastening strength between the two to prevent their movable dislocation.

[0014] In a preferred example, the utility model can be further configured as follows: a rubber pad is connected to the outer circle of the limit rod.

[0015] By adopting the above technical solution, when the limiting rod is pressed into the groove body connected to the limiting groove 1 and the limiting groove 2, the rubber pad increases its contact area so that it is tightly connected inside.

[0016] In a preferred example, the utility model can be further configured as follows: an inclined guide portion is provided on a side of the limit opening close to the notch, and the inclined guide portion is arranged close to the second flange.

[0017] By adopting the above technical solution, the inclined guide part guides the L-shaped locking block to rotate quickly into the limiting opening, thereby improving the convenience of installation.

[0018] In a preferred example, the present invention can be further configured as follows: the cross-sections of the elastic protrusion 1 and the elastic protrusion 2 are both semicircular.

[0019] By adopting the above technical solution, when the L-shaped locking block rotates into the limit opening, the elastic protrusion 1 and the elastic protrusion 2 contact and rub against each other, and their semicircular contact surface can not only reduce the friction between the two, but also ensure that the flange plate 1 and the flange plate 2 are fully close to each other.

[0020] In summary, the utility model includes at least one of the following beneficial technical effects of the pipeline control valve:

[0021] 1. The sealing ring is clamped into the docking port so that the L-shaped locking block is aligned with the notch. By rotating the flange plate 2, the inclined guide portion guides the L-shaped locking block to quickly rotate into the limit port, thereby improving the convenience of installation. Under the elastic action of the elastic protrusions 1 and 2, the flange plate 1 and the flange plate 2 are tightly fitted, and the waterproof gasket is squeezed, which not only improves the installation convenience of the control valve body and the connecting pipe, but also ensures the sealing of the control valve body and the connecting pipe.

[0022] 2. When the L-shaped locking block moves into the limiting opening, limiting groove 1 and limiting groove 2 overlap, and then under the action of the limiting rod, they are pressed into the groove body connected to limiting groove 1 and limiting groove 2, limiting flange 1 and flange 2. At the same time, the fastening nut can be rotated to make the surface of the fastening nut in close contact with flange 2, which not only makes flange 1 and flange 2 more tightly connected, but also increases the fastening strength of the two to prevent their movable dislocation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in 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 which:

[0024] Figure 1 It is a structural schematic diagram of the utility model;

[0025] Figure 2 It is an exploded view of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of flange 1 of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the fastening assembly of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of flange 2 of the utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the second elastic protrusion of the utility model;

[0030] Figure 7 for Figure 3 Enlarged view of point A in .

[0031] In the figure: 1, control valve body; 2, connecting pipe; 30, sealing connection assembly; 40, fastening assembly;

[0032] 31. Flange 1; 32. Flange 2; 33. Docking port; 34. Notch; 35. Stopper; 36. Elastic protrusion 1; 37. Waterproof groove; 38. Waterproof gasket; 39. Sealing ring; 3a. L-shaped locking block; 3b. Elastic protrusion 2; 3c. Stopper groove 1; 3d. Stopper groove 2

[0033] 41. U-shaped mounting seat; 42. Limit rod; 43. Fastening nut; 44. Rubber pad. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0035] It should be noted that these drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0036] Reference Figure 1-7 , is a pipeline control valve disclosed in the utility model, comprising: a control valve body 1 and connecting pipes 2 respectively arranged at both ends thereof, a sealing connection assembly 30 is respectively connected between the control valve body 1 and the connecting pipe 2, the control valve body 1 and the connecting pipe 2 are connected through the sealing connection assembly, the sealing connection assembly 30 comprises a flange 1 31 installed at one end of the control valve body 1, a flange 2 32 is connected to one end of the connecting pipe 2 close to the flange 1 31, a docking port 33 is provided on the flange 1 31, two notches 34 are symmetrically provided on the outer circle of the flange 1 31, and the flange 1 31 is provided along the notches The limiting opening 35 is respectively provided in the clockwise direction of the opening 34, and the notch 34 and the limiting opening 35 are respectively connected. The limiting opening 35, the notch 34 and the docking opening 33 are respectively arranged near the connecting pipe 2. The limiting opening 35 is spaced apart from the side of the control valve body 1 and connected with a plurality of elastic protrusions 36. The docking opening 33 is provided with a waterproof groove 37 in the direction of the inner circle of the flange 31, and a waterproof gasket 38 is installed in the waterproof groove 37. The limiting opening 35 is provided with an inclined guide portion near the notch 34, and the inclined guide portion is arranged near the flange 32. The flange 32 is connected with a waterproof gasket 38 connected to the docking opening. 33 matches the sealing ring 39, the outer circle of the sealing ring 39 is connected with an L-shaped locking block 3a matching the notch 34, the inner side of the L-shaped locking block 3a and the flange 2 32 respectively form a limit locking cavity, the inner side of the L-shaped locking block 3a is connected with a plurality of elastic protrusions 2 3b at intervals, when the control valve body 1 and the connecting pipe 2 are connected, the L-shaped locking block 3a is located in the limit opening 35 and the elastic protrusions 1 36 and the elastic protrusions 2 3b are staggered, and the cross sections of the elastic protrusions 1 36 and the elastic protrusions 2 3b are both semicircular; when the sealing ring 39 is snapped into the docking port 33 and the L When the L-shaped locking block 3a rotates into the limiting opening 35 through the notch 34, the waterproof gasket 38 is in an extruded state, sealing the flow pipe of the connecting pipe 2 and the control valve body 1. Subsequently, under the action of the inclined guide portion, the L-shaped locking block 3a is guided to rotate quickly into the limiting opening 35, so that the elastic protrusion 1 36 and the elastic protrusion 2 3b are squeezed against each other. At the same time, the limiting locking cavity locks the cavity end of the flange 1 31, and drives the flange 1 31 and the flange 2 32 to be in close contact. At the same time, they are staggered in the end to ensure that the flange 1 31 and the flange 2 32 are tightly connected.

[0037] The outer surface of the flange 1 31 is provided with at least one limiting groove 1 3c, the outer surface of the flange 2 32 is provided with at least one limiting groove 2 3d, at least one fastening assembly 40 is respectively installed on one side of the flange 1 31 close to the control valve body 1, the fastening assembly 40 includes a U-shaped mounting seat 41, the inner side of the U-shaped mounting seat 41 is hinged with a limiting rod 42, when the L-shaped locking block 3a is located in the limiting opening 35, the limiting groove 1 3c coincides with the limiting groove 2 3d, and the limiting rod 42 is located in the limiting groove 1 3c and the limiting groove 2 3d, a rubber pad 44 is connected to the outer circle of the limiting rod 42, and a fastening nut 43 is threadedly connected to one end of the limiting rod 42 away from the U-shaped mounting seat 41, and when the limiting rod 42 is located in the limiting groove 1 3c and the limiting groove 2 3d , the fastening nut 43 is in contact with the flange 32; the U-shaped mounting seat 41 is connected to the limiting rod 42 by a pin shaft. In addition, the fastening components 40 are preferably four, and the two are symmetrically arranged in pairs and symmetrically installed on the control valve body 1 respectively. At this time, the number of limiting grooves 1 3c and limiting grooves 2 3d corresponds to each other. After the L-shaped locking block 3a moves into the limiting opening 35, the limiting grooves 1 3c and the limiting grooves 2 3d are overlapped, so that the limiting rod 42 is pressed into the groove where the limiting grooves 1 3c and the limiting grooves 2 3d are connected, and the flange 1 31 and the flange 2 32 are limited. Then the fastening nut 43 is rotated to make the surface of the fastening nut 43 in close contact with the flange 2 32, thereby further improving the tightness and sealing of the connection between the flange 1 31 and the flange 2 32.

[0038] The implementation principle of this embodiment is as follows: when in use, the staff aligns the end of the control valve body 1 with the end of the connecting pipe 2, so that the sealing ring 39 is clamped into the docking port 33, and the L-shaped locking block 3a is aligned with the position of the notch 34, and then the end of the connecting pipe 2 is twisted to rotate the flange 2 32, and the L-shaped locking block 3a is guided to rotate quickly into the limit port 35 under the action of the inclined guide part, so that the elastic protrusion 1 36 and the elastic protrusion 2 3b are squeezed against each other, driving the flange 1 31 and the flange 2 32 to be in close contact and in a staggered distribution to ensure Ensure that flange 1 31 and flange 2 32 fit tightly. At this time, the waterproof gasket 38 is squeezed to seal the flow pipeline of the connecting pipe 2 and the control valve body 1. Then the staff rotates the limit rod 42 to press the limit rod 42 into the groove connected by the limit groove 1 3c and the limit groove 2 3d, so as to limit the flange 1 31 and the flange 2 32 to prevent them from moving in series. Then the fastening nut 43 is rotated to make the end face of the fastening nut 43 contact and press against the surface of the flange 2 32, so as to further improve the tightness and sealing of the connection between the flange 1 31 and the flange 2 32.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A pipeline control valve, characterized in that: include: A control valve body (1) and connecting pipes (2) respectively arranged at two ends thereof, wherein a sealing connection assembly (30) is respectively connected between the control valve body (1) and the connecting pipe (2), and the control valve body (1) and the connecting pipe (2) are connected via the sealing connection assembly; The sealing connection assembly (30) comprises a flange plate (31) mounted at one end of a control valve body (1); a flange plate (32) is connected to an end of the connection pipe (2) close to the flange plate (31); a docking port (33) is provided on the flange plate (31); two notches (34) are symmetrically provided on the outer circle of the flange plate (31); the flange plate (31) is provided with limiting openings (35) in the clockwise direction of the notches (34); the notches (34) and the limiting openings (35) are respectively connected; the limiting openings (35), the notches (34) and the docking port (33) are respectively arranged close to the connection pipe (2); a plurality of elastic protrusions (36) are connected at intervals on a side of the limiting opening (35) away from the control valve body (1); a waterproof groove (37) is provided on the docking port (33) close to the inner circle of the flange plate (31); a waterproof gasket (38) is installed in the waterproof groove (37); The second flange (32) is connected to a sealing ring (39) matching the docking port (33); the outer circle of the sealing ring (39) is connected to an L-shaped locking block (3a) matching the notch (34); a limiting locking cavity is formed between the inner side of the L-shaped locking block (3a) and the second flange (32); a plurality of elastic protrusions (3b) are connected to the inner side of the L-shaped locking block (3a) at intervals; when the control valve body (1) and the connecting pipe (2) are connected, the L-shaped locking block (3a) is located in the limiting port (35) and the elastic protrusions (36) and the elastic protrusions (3b) are arranged in an alternating manner.

2. A pipeline control valve according to claim 1, characterized in that: The outer surface of the flange plate 1 (31) is provided with at least one limiting groove 1 (3c), and the outer surface of the flange plate 2 (32) is provided with at least one limiting groove 2 (3d). At least one fastening assembly (40) is respectively installed on one side of the flange plate 1 (31) close to the control valve body (1), and the fastening assembly (40) comprises a U-shaped mounting seat (41). A limiting rod (42) is hingedly connected to the inner side of the U-shaped mounting seat (41). When the L-shaped locking block (3a) is located in the limiting opening (35), the limiting groove 1 (3c) overlaps with the limiting groove 2 (3d), and the limiting rod (42) is located in the limiting groove 1 (3c) and the limiting groove 2 (3d).

3. A pipeline control valve according to claim 2, characterized in that: One end of the limiting rod (42) away from the U-shaped mounting seat (41) is threadedly connected to a fastening nut (43); when the limiting rod (42) is located in the limiting groove 1 (3c) and the limiting groove 2 (3d), the fastening nut (43) is in contact with the flange plate 2 (32).

4. A pipeline control valve according to claim 3, characterized in that: A rubber pad (44) is connected to the outer circle of the limiting rod (42).

5. A pipeline control valve according to claim 1, characterized in that: An inclined guide portion is provided on a side of the limiting opening (35) close to the notch (34), and the inclined guide portion is provided close to the second flange (32).

6. A pipeline control valve according to claim 1, characterized in that: The cross-sections of the elastic protrusion 1 (36) and the elastic protrusion 2 (3b) are both semicircular.

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