CN113531257B

CN113531257B - Elbow inserts subassembly soon

Info

Publication number: CN113531257B
Application number: CN202110714207.5A
Authority: CN
Inventors: 许楚; 许青; 周文武; 童宁; 许献忠
Original assignee: Hangzhou Fuyang Zhonghe Electronic Co ltd
Current assignee: Hangzhou Fuyang Zhonghe Electronic Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-08-23
Anticipated expiration: 2041-06-25
Also published as: CN113531257A

Abstract

The invention discloses an elbow quick-insertion assembly, which relates to the technical field of joints and comprises an elbow and two straight pipes, wherein the two straight pipes are respectively positioned at two ends of the elbow, connecting sleeves are respectively sleeved outside the two straight pipes in a sliding manner, the near ends of the two connecting sleeves are respectively fixedly connected with a convex block, the outer sides of the two convex blocks are respectively fixedly connected with connecting plates, the two connecting plates are arranged in parallel with the symmetrical axis of the elbow, a threaded rod is rotatably arranged inside one of the connecting plates, and the threaded rod is perpendicular to the symmetrical axis of the elbow. According to the invention, the two connecting sleeves are respectively close to each other along the axial direction of the two straight pipes by rotating the threaded rod, and are inserted outside the two ports of the elbow, the tapered annular wall is inserted into the wedge-shaped pressing sheet to be compressed inwards, the rubber sleeve is compressed, the butt joint is completed, the connection stability is ensured, the convenience of elbow connection is greatly improved, and the practicability of the assembly is enhanced.

Description

Elbow inserts subassembly soon

Technical Field

The invention relates to the technical field of joints, in particular to an elbow quick-insertion assembly.

Background

In a piping system, a bend is a pipe that changes the direction of a pipe. The angle is divided into 45 degrees and 90 degrees and 180 degrees, which are the most commonly used, and other abnormal angle elbows of 60 degrees and the like are also included according to engineering requirements. The elbow is made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metal, plastics, etc.

The connection with the pipe is as follows: direct welding (the most common way) flange connections, hot melt connections, electrofusion connections, screw connections, socket connections, etc. The production process comprises the following steps: welding elbows, stamping elbows, pushing elbows, casting elbows, butt welding elbows, and the like. Other names: 90 degree elbows, quarter bends, and the like.

In the pipeline distribution, 90 elbows often appear, especially in order to dodge other buildings, and the 90 bends of change, wherein in later stage change or elbow change, the elbow is when the butt joint, and two straight pipes have fixed mounting usually, can't take place the displacement, consequently is not convenient for use direct grafting subassembly and elbow to peg graft, and under the condition that lacks the instrument, also be convenient for weld again, have certain limitation.

Disclosure of Invention

The invention aims to provide an elbow quick-insertion assembly to overcome the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: an elbow quick-plug assembly comprises an elbow and two straight pipes, wherein the two straight pipes are respectively positioned at two ends of the elbow, connecting sleeves are sleeved outside the two straight pipes in a sliding manner, lugs are fixedly connected to the adjacent ends of the two connecting sleeves, connecting plates are fixedly connected to the outer sides of the two lugs and are arranged in parallel with the symmetrical axis of the elbow, a threaded rod is rotatably mounted inside one of the connecting plates and is perpendicular to the symmetrical axis of the elbow, a thread fastening sleeve is fixedly mounted inside the other connecting plate, one end of the threaded rod close to the thread fastening sleeve is in threaded connection with the inside of the thread fastening sleeve, a plurality of wedge-shaped pressing sheets are fixedly connected inside the connecting sleeves, one side of each wedge-shaped pressing sheet, which is far away from the elbow, is provided with an inclined conical surface, and the diameter of the outer wall of each wedge-shaped pressing sheet is gradually reduced in the direction close to the elbow, the inboard of wedge preforming is provided with the rubber sleeve, the outside of straight tube is located to the rubber sleeve cover, the outside cover of elbow is equipped with the insert ring, the elbow is close to the spacing bulge loop of outside fixedly connected with of straight tube position department, the insert ring is close to the one end edge fixedly connected with toper rampart of adapter sleeve, toper rampart inner wall diameter is in the direction that is close to the straight tube and is increaseed the setting gradually, just the outer wall of insert ring is pegged graft each other with the inner wall of adapter sleeve.

Preferably, sealing gaskets are arranged between the elbow and the end part of the straight pipe.

Preferably, one end of the threaded rod, which is far away from the threaded fastening sleeve, is fixedly connected with a knob, and the circumferential side wall of the knob is fixedly connected with anti-skidding threads.

Preferably, the two adjacent sides of the convex blocks are fixedly connected with inserting columns, each convex block is internally provided with a jack which is slidably inserted into the other convex block, and the inserting columns are arranged in parallel with the threaded rod.

Preferably, a spring is arranged between the two connecting plates and sleeved outside the threaded rod.

Preferably, the diameter value of the inner wall of one end of the connecting sleeve, which is close to the elbow, is equal to the diameter values of the outer walls of the inserting ring and the conical ring wall.

In the technical scheme, the invention has the following technical effects and advantages:

the invention makes the two connecting sleeves approach each other along the axial direction of the two straight pipes respectively by rotating the threaded rod and are inserted outside the two ports of the elbow, and the wedge-shaped pressing sheets are arranged inside the connecting sleeves, and the rubber sleeves are arranged on the inner sides of the wedge-shaped pressing sheets, so that when the connecting sleeves move, the rubber sleeves can be pushed to the outside at the interface of the elbow and the straight pipes for sleeve joint and sealing, meanwhile, because the limiting convex rings block the movement of the inserting rings, when the connecting sleeves move, the conical ring walls can be inserted into the gaps between the wedge-shaped pressing sheets and the connecting sleeves, further all the wedge-shaped pressing sheets can be compressed inwards, thereby compressing the rubber sleeves and compressing and fastening the connection of the elbow and the straight pipes, thereby rapidly completing the butt joint of the elbow and the straight pipes under the condition that the straight pipes can not move, ensuring the connection stability and further greatly improving the convenience of the connection of the elbow, the practicality of use of the assembly is enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a view showing the effect of the installation of the present invention.

Fig. 2 is a schematic view of the present invention prior to installation.

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention.

Fig. 4 is a left side view of the connecting sleeve of the invention.

Description of reference numerals:

1. bending the pipe; 11. a limit convex ring; 2. a straight pipe; 3. connecting sleeves; 31. pressing a wedge-shaped tablet; 32. a bump; 33. a connecting plate; 34. a threaded rod; 35. a threaded fastening sleeve; 36. a knob; 37. inserting a column; 38. a spring; 39. a jack; 4. inserting a ring; 41. a conical annular wall; 5. a rubber sleeve; 6. and a gasket.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

The invention provides an elbow quick-plugging component shown in figures 1-4, which comprises an elbow 1 and two straight pipes 2, wherein the two straight pipes 2 are respectively positioned at two ends of the elbow 1, connecting sleeves 3 are respectively sleeved outside the two straight pipes 2 in a sliding manner, lugs 32 are respectively fixedly connected at the opposite near ends of the two connecting sleeves 3, connecting plates 33 are respectively fixedly connected at the outer sides of the lugs 32, the two connecting plates 33 are arranged in parallel with the symmetrical axis of the elbow 1, a threaded rod 34 is rotatably arranged inside one of the connecting plates 33, the threaded rod 34 is vertically arranged with the symmetrical axis of the elbow 1, a thread fastening sleeve 35 is fixedly arranged inside the other connecting plate 33, one end of the threaded rod 34 close to the thread fastening sleeve 35 is in threaded connection with the inside of the thread fastening sleeve 35, a plurality of wedge-shaped pressing sheets 31 are fixedly connected inside the connecting sleeve 3, one side, far away from the elbow 1, of the wedge-shaped pressing sheet 31 is provided with an inclined conical surface, the diameter of the outer wall of the wedge-shaped pressing sheet 31 is gradually reduced in the direction close to the elbow 1, the inner side of the wedge-shaped pressing sheet 31 is provided with a rubber sleeve 5, the rubber sleeve 5 is sleeved outside the straight pipe 2, the outer part of the elbow 1 is sleeved with an inserting ring 4, the outer part of the elbow 1 close to the straight pipe 2 is fixedly connected with a limiting convex ring 11, the edge of one end, close to the connecting sleeve 3, of the inserting ring 4 is fixedly connected with a conical ring wall 41, the diameter of the inner wall of the conical ring wall 41 is gradually increased in the direction close to the straight pipe 2, and the outer wall of the inserting ring 4 is mutually inserted and connected with the inner wall of the connecting sleeve 3;

furthermore, in the above technical scheme, sealing gaskets 6 are respectively installed between the end parts of the elbow 1 and the straight pipe 2, so as to improve the sealing property of pipe connection;

further, in the above technical solution, one end of the threaded rod 34 far away from the threaded fastening sleeve 35 is fixedly connected with a knob 36, and the circumferential side wall of the knob 36 is fixedly connected with anti-skid threads, so that the threaded rod 34 is conveniently controlled to rotate;

further, in the above technical solution, the insertion columns 37 are fixedly connected to the near sides of the two protrusions 32, an insertion hole 39 slidably inserted into the insertion column 37 outside the other protrusion 32 is formed in each protrusion 32, and the insertion columns 37 and the threaded rod 34 are arranged in parallel, so that when the two connection sleeves 3 approach, accurate guiding can be performed through the cooperation of the insertion columns 37 and the insertion holes 39;

further, in the above technical solution, a spring 38 is arranged between the two connecting plates 33, and the spring 38 is sleeved outside the threaded rod 34, so that when the assembly is disassembled, the two connecting sleeves 3 can be automatically pushed away by the elastic force of the spring 38;

furthermore, in the above technical solution, the diameter value of the inner wall of the connecting sleeve 3 near the elbow 1 is equal to the diameter values of the outer walls of the insert ring 4 and the tapered annular wall 41, so as to improve the tightness of the connection of the components;

the implementation mode specifically comprises the following steps: in practical use, because the two straight pipes 2 are fixedly installed and cannot be displaced, it is inconvenient to use a direct plug-in component to plug in the elbow 1, therefore, by providing the two connecting sleeves 3, before actual installation, the two connecting sleeves 3 are respectively sleeved outside the two straight pipes 2, then the plug-in rings 4 are clamped outside the elbow 1, the two ports of the elbow 1 are respectively aligned with the ports of the two straight pipes 2, then the threaded rod 34 is connected with the threaded fastening sleeve 35, the threaded rod 34 is rotated through the knob 36, and further under the screwing of the threads of the threaded fastening sleeve 35 and the threaded rod 34, the two connecting sleeves 3 respectively approach each other along the axial direction of the two straight pipes 2 and are inserted outside the two ports of the elbow 1, and by providing the wedge-shaped pressing piece 31 inside the connecting sleeves 3 and providing the rubber sleeve 5 inside the wedge-shaped pressing piece 31, when the connecting sleeves 3 move, also can push rubber sleeve 5 to the outside of elbow 1 and 2 knecks of straight tube cup joint and seal, and simultaneously, because spacing bulge loop 11 has hindered the removal of insert ring 4, when adapter sleeve 3 removes, toper rampart 41 can insert in the clearance between wedge preforming 31 and the adapter sleeve 3, and then can inwards compress all wedge preforming 31, thereby compress tightly rubber sleeve 5, and compress tightly the fastening to elbow 1 and 2 connections of straight tube, thereby under the unable circumstances that takes place to remove of straight tube 2, accomplish fast elbow 1 and 2 butt joints of straight tube, and guarantee the steadiness of connecting, and then very big improvement the convenience that the elbow is connected, the practicality of subassembly use has been strengthened.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an elbow inserts subassembly soon, includes elbow (1) and two straight tube (2), two straight tube (2) are located the both ends of elbow (1) respectively, its characterized in that: the connecting sleeves (3) are sleeved outside the two straight pipes (2) in a sliding mode, the two adjacent ends of the connecting sleeves (3) are fixedly connected with convex blocks (32), the outer sides of the convex blocks (32) are fixedly connected with connecting plates (33), the two connecting plates (33) are arranged in parallel with the symmetrical axis of the elbow (1), one of the convex blocks (33) is internally provided with a threaded rod (34) in a rotating mode, the threaded rod (34) is perpendicular to the symmetrical axis of the elbow (1), the other connecting plate (33) is internally provided with a threaded fastening sleeve (35) in a fixed mode, one end of the threaded rod (34) close to the threaded fastening sleeve (35) is inserted into the threaded fastening sleeve (35), the inner portion of the connecting sleeves (3) is fixedly connected with a plurality of wedge-shaped press sheets (31), one side, far away from the elbow (1), of each wedge-shaped press sheet (31) is arranged to be inclined, just wedge preforming (31) outer wall diameter reduces in the direction that is close to elbow (1) gradually, the inboard of wedge preforming (31) is provided with rubber sleeve (5), the outside of straight tube (2) is located to rubber sleeve (5) cover, the outside cover of elbow (1) is equipped with inserts ring (4), elbow (1) is close to the spacing bulge loop (11) of outside fixedly connected with of straight tube (2) position department, insert ring (4) and be close to one end edge fixedly connected with toper rampart (41) of adapter sleeve (3), toper rampart (41) inner wall diameter is in the direction that is close to straight tube (2) the increase gradually setting, just the outer wall of inserting ring (4) is pegged graft each other with the inner wall of adapter sleeve (3).

2. The elbow quick-connect assembly of claim 1, wherein: sealing gaskets (6) are arranged between the end parts of the elbow (1) and the straight pipe (2).

3. The elbow quick-plug assembly of claim 1, wherein: threaded rod (34) are kept away from one end fixedly connected with knob (36) of screw fastening cover (35), the circumference lateral wall fixedly connected with antiskid line of knob (36).

4. The elbow quick-plug assembly of claim 1, wherein: the adjacent sides of the two convex blocks (32) are fixedly connected with inserting columns (37), each convex block (32) is internally provided with a jack (39) which is slidably inserted into the corresponding inserting column (37) outside the other convex block (32), and the inserting columns (37) are arranged in parallel with the threaded rod (34).

5. The elbow quick-plug assembly of claim 1, wherein: a spring (38) is arranged between the two connecting plates (33), and the spring (38) is sleeved outside the threaded rod (34).

6. The elbow quick-connect assembly of claim 1, wherein: the diameter value of the inner wall of one end, close to the elbow (1), of the connecting sleeve (3) is equal to the diameter values of the outer walls of the inserting ring (4) and the conical ring wall (41).