Slow-flow impact-resistant elbow pipe fitting

Abstract

The utility model discloses a slow-flow impact-resistant elbow pipe fitting, which belongs to the technical field of pipelines and comprises a body mechanism, buffer mechanisms are mounted at the upper end and the lower end of the body mechanism, and pipelines are mounted at the outer ends of the buffer mechanisms. The buffer mechanism comprises a connecting pipe fitting, threaded mounting ports are fixedly formed in the two ends of the upper end of the connecting pipe fitting, and fixing holes are fixedly formed in the side edges of the upper end and the lower end of the connecting pipe fitting. The clamping springs are located at the two ends of the built-in block, collision between the built-in block and the built-in groove is relieved when the built-in block swings front and back, a small part of impact of water flow can be unloaded, in the structure, the outer end of the buffer block is arranged to be of the arc-shaped structure, on one hand, collision between the buffer block and the water flow can be relieved when the impact of the water flow is relieved, and on the other hand, the arc-shaped structure is round, and the service life of the buffer block can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline field, especially a kind of slow flow impact resistance elbow pipe fitting. BACKGROUND

[0002] Elbow is a kind of pipe fitting for changing the flow direction of pipeline, usually made of elbow pipe. According to the angle and radius of elbow, it can be divided into different types, the main function of elbow pipe fitting is to change the flow direction of pipeline, so that fluid can smoothly pass through pipeline;

[0003] The common elbow pipe fitting will further increase the impact force of fluid due to the water hammer phenomenon in the pipeline, so that the elbow is easily worn and deformed by long-time impact, affecting the service life of elbow, Chinese patent publication No. CN217482282U proposes a slow flow impact resistance elbow pipe fitting, which can increase the protection of its outer surface by wrapping the protective cover on the outer surface of the elbow pipe fitting body, avoiding damage and deformation caused by collision, thereby effectively improving the service life of the whole elbow pipe fitting body, but in actual operation, the above-mentioned application file sets multiple components in the inside of elbow pipe, which makes the components in the inside of elbow pipe not easy to maintain, therefore, we propose a slow flow impact resistance elbow pipe fitting. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a slow flow impact resistance elbow pipe fitting, by setting the buffer block, when the buffer block is impacted by water flow, the built-in block is moved back and forth in the inside of built-in groove, the snap spring is located at both ends of built-in block, which reduces the collision of built-in block and built-in groove during back and forth shaking, and a small part of impact of water flow can be unloaded, in this structure, the outer end of buffer block is set as arc structure, on the one hand, it can buffer the collision with water flow when reducing water flow impact, on the other hand, the arc structure is round, which can prolong its service life.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A slow flow impact resistance elbow pipe fitting, comprising a body mechanism, a buffer mechanism is installed at the upper and lower ends of the body mechanism, a pipeline is installed at the outer end of the buffer mechanism;

[0007] The buffer mechanism comprises a connecting pipe, the upper ends of the connecting pipe are fixedly provided with threaded mounting ports, the side of the upper and lower ends of the connecting pipe is fixedly provided with a fixed hole, the middle of the inner end of the connecting pipe is provided with an inner groove, the rear of the inner end of the inner groove is fixedly provided with a limiting rod, the left and right sides of the rear of the inner end of the inner groove are fixedly provided with a snap spring, the inner part of the inner groove is movably provided with an inner block, the inner block is movably provided on the outer side of the limiting rod through a limiting hole, the front end of the inner block is fixedly provided with a buffer block, the inner part of the front end of the buffer block is provided with a groove, the threaded mounting port is provided, the connecting pipe is convenient to disassemble and assemble, thereby the daily maintenance of the connecting pipe is facilitated.

[0008] Further, the body mechanism comprises an elbow pipe body, the upper and lower ends of the elbow pipe body are fixedly provided with threaded interfaces, the upper and lower ends of the elbow pipe body are fixedly provided with connecting blocks behind the threaded interfaces, the inner part of the connecting block is threadedly connected with a fixed nut, the connecting block is provided, so that the elbow pipe body and the connecting pipe are connected, and there is an additional reinforcing structure, and the buffer mechanism is not arranged in the inner part of the elbow pipe body, thereby the service life of the elbow pipe body is increased, and the special structure of the elbow pipe body also avoids affecting the daily maintenance of the buffer mechanism.

[0009] Further, the connecting pipe is movably connected through the threaded mounting port and the threaded interface, the fixed hole is annularly distributed in the inner part of the upper and lower ends of the connecting pipe, and the fixed holes are equidistantly distributed, so that the reinforcing connection of the connecting pipe and the elbow pipe body is divided into multiple points, thereby avoiding the influence of single-point stress on the service life of the device.

[0010] Further, the inner groove is annularly distributed in the middle of the inner end of the connecting pipe, and the snap springs are symmetrically distributed on the left and right sides of the inner end of the inner groove, the annularly distributed inner groove represents that multiple buffer blocks are installed in the inner part of the connecting pipe, thereby the components for buffering in the inner part of the connecting pipe are divided into hydraulic impact forces, so that the device has good impact resistance.

[0011] Further, the outer end of the snap spring is connected with the inner block, and the limiting hole arranged in the inner part of the inner block is matched with the limiting rod.

[0012] Further, the front end of the buffer block is in an arc structure, and the groove is in an arc structure.

[0013] Further, the threaded interface is matched with the threaded mounting port, the connecting block is in an annular structure, and the diameter of the connecting block is the same as that of the connecting pipe.

[0014] Further, the fixed nut is matched with the fixed hole, and the pipe is threadedly mounted on the outer end of the connecting pipe.

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. By setting the buffer block, when the buffer block is impacted by water flow, the built-in block is driven to move back and forth in the built-in groove, the snap spring is located at both ends of the built-in block, the built-in block is slowed down in the back and forth shaking and the built-in groove is collided, wherein a small part of the impact of water flow can be unloaded, in the structure, the outer end of the buffer block is set as an arc structure, on one hand, the arc structure can buffer the collision with water flow when slowing down the impact of water flow, on the other hand, the arc structure is round, the service life can be prolonged;

[0017] 2. By setting the connecting block, the elbow pipe body and the connecting pipe are connected, and the buffer mechanism is not arranged in the inside of the elbow pipe body, so that the service life of the elbow pipe body is prolonged, and the special structure of the elbow pipe body also avoids affecting the daily maintenance of the buffer mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view in the embodiment;

[0019] Figure 2 It is the structure schematic view of the body mechanism in the embodiment;

[0020] Figure 3 It is the structure schematic view of the buffer mechanism in the embodiment;

[0021] Figure 4 It is the structure schematic view of the buffer mechanism section in the embodiment;

[0022] Figure 5 It is the structure schematic view of the enlarged A in the embodiment; Figure 4

[0023] In the figure, 1, the body mechanism; 101, the elbow pipe body; 102, the threaded interface; 103, the connecting block; 104, the fixed nut; 2, the buffer mechanism; 201, the connecting pipe; 202, the threaded mounting port; 203, the fixed hole; 204, the built-in groove; 205, the limiting rod; 206, the snap spring; 207, the built-in block; 208, the limiting hole; 209, the buffer block; 210, the groove; 3, the pipeline. DETAILED DESCRIPTION

[0024] The utility model is further described in detail in combination with the drawings.

[0025] Wherein, same parts are indicated by same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.​

[0026] Referring to Figures 1-5 As shown in the preferred embodiment of the utility model, the slow flow impact-resistant elbow pipe fitting comprises a body mechanism 1, and a buffer mechanism 2 is installed at the upper and lower ends of the body mechanism 1; a pipeline 3 is installed at the outer end of the buffer mechanism 2.

[0027] The buffer mechanism 2 comprises a connecting pipe fitting 201, screw mounting holes 202 are fixedly arranged at the upper and lower ends of the connecting pipe fitting 201, fixing holes 203 are fixedly arranged at the side of the upper and lower ends of the connecting pipe fitting 201, an inner groove 204 is formed in the middle of the inner end of the connecting pipe fitting 201, a limiting rod 205 is fixedly installed at the rear of the inner end of the inner groove 204, snap springs 206 are fixedly installed at the left and right sides of the rear of the inner end of the inner groove 204, an inner block 207 is movably installed in the inner groove 204, the inner block 207 is movably installed on the outer side of the limiting rod 205 through a limiting hole 208, a buffer block 209 is fixedly installed at the front end of the inner block 207, a groove 210 is formed in the inner part of the front end of the buffer block 209, and the screw mounting holes 202 are arranged to facilitate the disassembly and assembly of the connecting pipe fitting 201, thereby facilitating the daily maintenance of the connecting pipe fitting 201.

[0028] The body mechanism 1 comprises an elbow pipe fitting body 101, screw interfaces 102 are fixedly arranged at the upper and lower ends of the elbow pipe fitting body 101, connecting blocks 103 are fixedly arranged at the rear of the screw interfaces 102 at the upper and lower ends of the elbow pipe fitting body 101, fixed nuts 104 are screw-connected in the inner part of the connecting blocks 103, the connecting blocks 103 are arranged to provide an additional reinforcing structure after the elbow pipe fitting body 101 and the connecting pipe fitting 201 are connected, and the buffer mechanism 2 is not arranged in the inner part of the elbow pipe fitting body 101, thereby increasing the service life of the elbow pipe fitting body 101 and avoiding the influence of the special structure of the elbow pipe fitting body 101 on the daily maintenance of the buffer mechanism 2.

[0029] The connecting pipe fitting 201 is movably connected through the screw mounting holes 202 and the screw interfaces 102, the fixing holes 203 are annularly distributed in the inner part of the upper and lower ends of the connecting pipe fitting 201, and the fixing holes 203 are equidistantly distributed, so that the reinforcing connection between the connecting pipe fitting 201 and the elbow pipe fitting body 101 is divided into multiple points, thereby avoiding the influence of single-point stress on the service life of the device.

[0030] The inner groove 204 is annularly distributed in the middle of the inner end of the connecting pipe fitting 201, the snap springs 206 are symmetrically distributed at the left and right sides of the inner end of the inner groove 204, the annularly distributed inner groove 204 represents that multiple buffer blocks 209 are installed in the inner part of the connecting pipe fitting 201, thereby making the components for buffering in the inner part of the connecting pipe fitting 201 evenly distribute the impact force of water, so that the device has good impact resistance.

[0031] The outer end of the clamping spring 206 is connected with the built-in block 207, the limiting hole 208 and the limiting rod 205 arranged inside the built-in block 207 are matched, when the buffer block 209 is impacted by the water flow, the built-in block 207 is moved back and forth inside the built-in groove 204, the clamping spring 206 is arranged at both ends of the built-in block 207, so that the built-in block 207 is shaken back and forth to slow down the collision with the built-in groove 204, and a small part of the impact of the water flow is unloaded, in the structure, the limiting hole 208 and the limiting rod 205 are matched, so that the built-in block 207 is moved back and forth to keep a certain position, and the built-in block 207 is conveniently and accurately reset when no water flow passes through.

[0032] The front end of the buffer block 209 is in an arc structure, the groove 210 is in an arc structure, and the outer end of the buffer block 209 is also arranged in an arc structure, which can buffer the collision with the water flow when the impact of the water flow is slowed down, and the arc structure is round, which can prolong the service life.

[0033] The threaded interface 102 is matched with the threaded mounting hole 202, the connecting block 103 is in a ring structure, the diameter of the connecting block 103 is the same as that of the connecting pipe 201, the diameter of the connecting block 103 is arranged to be the same as that of the connecting pipe 201, so that the outer end is flat after the two are connected, and good aesthetics is obtained.

[0034] The fixing nut 104 is matched with the fixing hole 203, the pipeline 3 is threadedly mounted at the outer end of the connecting pipe 201, and the connection of the pipeline 3 indicates that the connecting pipe 201 is convenient to install, so that the device is widely applicable.

[0035] Specific implementation process: first, the threaded interface 102 provided on the upper and lower ends of the elbow pipe body 101 is connected to the threaded mounting port 202 of the connecting pipe 201, when the connecting block 103 is attached to the connecting pipe 201, the connecting block 103 and the connecting pipe 201 are fixed together by the fixing nut 104, so that the elbow pipe body 101 and the connecting pipe 201 have two reinforcing structures, thereby ensuring the firmness of the two after installation, after connection, the water flow passes through the inside of the connecting pipe 201 installed on the upper end of the elbow pipe body 101, when the water flow moves to the middle of the inner end of the connecting pipe 201, the water flow hits the front end of the buffer block 209, the rear end of the buffer block 209 is displaced in the inside of the built-in groove 204, the snap spring 206 is located at both ends of the built-in block 207, which slows down the front and rear shaking of the built-in block 207 and the collision of the built-in groove 204, which can also unload a small part of the impact of the water flow, in this structure, the limiting hole 208 and the limiting rod 205 are matched, so that the built-in block 207 moves forward and backward to keep the position, which is convenient for accurate reset when there is no water flow, the various parts of the device complement each other, and the outer end of the buffer block 209 is provided with an arc structure, which can buffer the collision of the water flow when buffering the impact of the water flow, and the arc structure is round, which can prolong its service life, finally, since the buffer mechanism 2 is located at the upper and lower ends of the elbow pipe body 101, the elbow pipe body 101 has the characteristics of slow flow and impact resistance at the upper end, and the same effect is also achieved at the lower end, so that the water flow in the elbow pipe body 101 maintains the lowest flow rate, further increasing the impact resistance of the elbow pipe body 101.

[0036] The basic principles and main features of the present application are shown and described above, and the 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 examples, the above examples 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, the present application can have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A slow-flow, impact-resistant elbow pipe fitting, characterized by: Including the body mechanism (1), the upper and lower ends of the body mechanism (1) are provided with a buffer mechanism (2), and the outer end of the buffer mechanism (2) is provided with a pipeline (3); The buffer mechanism (2) comprises a connecting pipe (201), the upper ends of the connecting pipe (201) are fixedly provided with threaded mounting ports (202), the side of the upper and lower ends of the connecting pipe (201) is fixedly provided with a fixed hole (203), the middle part of the inner end of the connecting pipe (201) is provided with an inner groove (204), the rear of the inner end of the inner groove (204) is fixedly provided with a limiting rod (205), the left and right sides of the rear of the inner end of the inner groove (204) are fixedly provided with a snap spring (206), the inner part of the inner groove (204) is movably provided with an inner block (207), the inner block (207) is movably provided outside the limiting rod (205) through a limiting hole (208), the front end of the inner block (207) is fixedly provided with a buffer block (209), and the inner part of the front end of the buffer block (209) is provided with a groove (210).

2. A flow-lining, impact-tolerant elbow fitting according to claim 1, wherein: The body mechanism (1) comprises an elbow pipe body (101), the upper and lower ends of the elbow pipe body (101) are fixedly provided with threaded interfaces (102), and the upper and lower ends of the elbow pipe body (101) are fixedly provided with connecting blocks (103) behind the threaded interfaces (102).

3. A flow-lining, impact-tolerant elbow fitting according to claim 1, wherein: The connecting pipe (201) is movably connected through the threaded mounting port (202) and the threaded interface (102), and the fixed hole (203) is annularly distributed in the inner part of the upper and lower ends of the connecting pipe (201).

4. A flow-lining, impact-tolerant elbow fitting according to claim 2, wherein: The inner groove (204) is annularly distributed in the middle part of the inner end of the connecting pipe (201), and the snap springs (206) are symmetrically distributed on the left and right sides of the inner end of the inner groove (204).

5. A flow-lining, impact-tolerant elbow fitting according to claim 1, wherein: The outer end of the snap spring (206) is connected with the inner block (207), and the limiting hole (208) provided in the inner part of the inner block (207) is matched with the limiting rod (205).

6. A flow-lining, impact-tolerant elbow pipe fitting according to claim 2, wherein: The front end of the buffer block (209) is of an arc structure, and the groove (210) is of an arc structure.

7. A flow-lining, impact-tolerant elbow pipe fitting according to claim 2, wherein: The threaded interface (102) is matched with the threaded mounting port (202), the connecting block (103) is of an annular structure, and the diameter of the connecting block (103) is the same as that of the connecting pipe (201).

8. A flow-lining, impact-tolerant elbow pipe fitting according to claim 4, wherein: The fixed nut (104) is matched with the fixed hole (203), and the pipeline (3) is threadedly mounted at the outer end of the connecting pipe (201).

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