CN216430749U

CN216430749U - High-precision cold drawn pipe for large hydraulic pipe

Info

Publication number: CN216430749U
Application number: CN202123013165.7U
Authority: CN
Inventors: 尚加慧; 朱宇帆
Original assignee: Jiangsu Juhuai Precision Machinery Co ltd
Current assignee: Jiangsu Juhuai Precision Machinery Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-03
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a high accuracy cold drawn pipe for large-scale hydraulic pressure pipe, including the pipeline, the outside of pipeline is provided with sealing mechanism, the last reinforcing mechanism that is provided with of sealing mechanism, sealing mechanism include two sealing washers, two sealing washers joint respectively on the both ends inner wall of pipeline, equal fixedly connected with plectane on the lateral wall of two sealing washers, the plectane is fixed respectively to be cup jointed on the inner wall of the lantern ring, two clamping pieces of equal symmetrical fixedly connected with on the both sides excircle lateral wall of two lantern rings, equal fixedly connected with fixed axle between two clamping pieces of symmetry, the beneficial effects of the utility model are that: drive fixed frame when rotating through the bull stick and rotate, make fixed frame joint on the surface of trapezoidal piece, through the inner wall of spring promotion draw-in groove, promote trapezoidal piece joint inside fixed frame through the draw-in groove, fix four trapezoidal pieces through two connecting rods, and then make four fixed frame interconnect, and then make the bull stick receive the reinforcement, and then prevent that the bolt is not hard up to lead to the not hard up emergence of sealing washer to leak.

Description

High-precision cold drawn pipe for large hydraulic pipe

Technical Field

The utility model relates to a high accuracy cold drawn pipe technical field specifically is a high accuracy cold drawn pipe for large-scale hydraulic pipe.

Background

The precision cold-drawn steel tube is one of seamless steel tubes, adopts a cold-drawing process, is commonly used for automobiles, motorcycles, refrigeration equipment, hydraulic parts and pneumatic cylinders, and other industries with high requirements on the precision, the finish, the cleanliness and the mechanical properties of the steel tube, and has strict requirements on the mechanical properties such as tensile strength, yield strength or yield point, elongation and the like.

The existing large hydraulic cylinder generally uses a precise cold-drawn steel pipe as a hydraulic cylinder body, but the cold-drawn steel pipe is an integrally formed pipeline, openings at two ends of the pipeline cannot be completely sealed, when the pressure born inside the hydraulic cylinder body is too high, two ends of the pipeline inside the cylinder body can be sealed, and then the hydraulic cylinder can be leaked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy cold drawn pipe for large-scale hydraulic pressure pipe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision cold drawn pipe for a large hydraulic pipe comprises a pipeline, wherein a sealing mechanism is arranged on the outer side of the pipeline, and a reinforcing mechanism is arranged on the sealing mechanism;

the sealing mechanism comprises two sealing rings, the two sealing rings are respectively clamped on the inner walls of two ends of the pipeline, circular plates are fixedly connected to the side walls of the two sealing rings respectively, the circular plates are respectively and fixedly sleeved on the inner walls of the lantern rings, two clamping pieces are symmetrically and fixedly connected to the outer circle side walls of two sides of the two lantern rings respectively, a fixed shaft is fixedly connected between the two symmetrical clamping pieces, rotating rings are rotatably connected to the surfaces of the four fixed shafts, rotating rods are fixedly connected to the surfaces of the four rotating rings, through holes are formed in the surfaces of the four rotating rods, bolts are inserted into the through holes respectively, the four bolts are respectively in threaded connection with the interiors of the four threaded cylinders, and the four threaded cylinders are respectively and symmetrically and fixedly connected to the outer walls of two sides of the pipeline;

the reinforcing mechanism comprises four fixing frames, wherein the four fixing frames are fixedly connected to one ends, away from the rotating rings, of the four rotating rods respectively, the inner portions of the fixing frames are all clamped to form trapezoidal blocks, four clamping grooves are formed in the side wall of the other side of each trapezoidal block, four springs are clamped to the inner portions of the clamping grooves respectively, fixing rods are clamped to the inner portions of the springs respectively, the fixing rods are symmetrically and fixedly connected to the outer walls of the two sides of the pipeline respectively, and the trapezoidal blocks are fixedly connected to the two ends of the two connecting rods respectively.

Preferably, the distance between the fixing frame and the outer wall of the pipeline is the same as the height of the side wall of the trapezoidal block, which is provided with the inclined plane.

Preferably, the inner side of the spring is tightly clamped with the outer wall of the fixing rod.

Preferably, the outer side of the spring is tightly clamped with the inner wall of the clamping groove.

Preferably, the inclined plane of the trapezoidal block is arranged on the side wall far away from the rotating ring.

Preferably, the two connecting rods are respectively positioned at two sides of the pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: drive fixed frame when rotating through the bull stick and rotate, make fixed frame joint on the surface of trapezoidal piece, through the inner wall of spring promotion draw-in groove, promote trapezoidal piece joint inside fixed frame through the draw-in groove, fix four trapezoidal pieces through two connecting rods, and then make four fixed frame interconnect, and then make the bull stick receive the reinforcement, and then prevent that the bolt is not hard up to lead to the not hard up emergence of sealing washer to leak.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the collar of the present invention;

fig. 4 is a schematic view of the trapezoidal block structure of the present invention.

In the figure: 1. a pipeline; 2. a sealing mechanism; 21. a seal ring; 22. a circular plate; 23. a collar; 24. a clip; 25. a fixed shaft; 26. rotating the ring; 27. a rotating rod; 28. a through hole; 29. a bolt; 210. a threaded barrel; 3. a reinforcement mechanism; 31. a fixing frame; 32. a trapezoidal block; 33. a card slot; 34. a spring; 35. fixing the rod; 36. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-precision cold drawn pipe for a large hydraulic pipe comprises a pipeline 1, wherein a sealing mechanism 2 is arranged on the outer side of the pipeline 1, and a reinforcing mechanism 3 is arranged on the sealing mechanism 2;

the sealing mechanism 2 comprises two sealing rings 21, the two sealing rings 21 are respectively clamped on the inner walls of two ends of the pipeline 1, the side walls of the two sealing rings 21 are fixedly connected with circular plates 22, the circular plates 22 are respectively and fixedly sleeved on the inner walls of lantern rings 23, the outer circular side walls of two sides of the lantern rings 23 are respectively and symmetrically and fixedly connected with two clamping pieces 24, a fixed shaft 25 is fixedly connected between the two clamping pieces 24, the surfaces of the four fixed shafts 25 are rotatably connected with rotating rings 26, the surfaces of the four rotating rings 26 are respectively and fixedly connected with rotating rods 27, the surfaces of the four rotating rods 27 are respectively provided with through holes 28, bolts 29 are respectively inserted into the four through holes 28, the four bolts 29 are respectively and threadedly connected inside the four threaded cylinders 210, the four threaded cylinders 210 are respectively and symmetrically and fixedly connected on the outer walls of two sides of the pipeline 1, the two sealing rings 21 are respectively clamped on the inner walls of two ends of the pipeline 1, the two lantern rings 23 are respectively sleeved on the outer walls of the two ends of the pipeline 1, then the two rotating rods 27 are rotated to enable the rotating rods 27 to be horizontally arranged with the pipeline 1, then the bolts 29 are inserted into the through holes 28, then the bolts 29 are in threaded connection with the threaded cylinders 210, further the rotating rods 27 are fixedly connected with the pipeline 1, and further the two ends of the pipeline 1 are sealed;

the reinforcing mechanism 3 comprises four fixing frames 31, the four fixing frames 31 are respectively and fixedly connected with one ends, far away from the rotating ring 26, of the four rotating rods 27, trapezoidal blocks 32 are clamped in the four fixing frames 31, clamping grooves 33 are formed in the side walls of the other sides of the four trapezoidal blocks 32, springs 34 are clamped in the four clamping grooves 33, fixing rods 35 are clamped in the four springs 34, the four fixing rods 35 are respectively and symmetrically and fixedly connected to the outer walls of the two sides of the pipeline 1, the four trapezoidal blocks 32 are respectively and fixedly connected to the two ends of two connecting rods 36, the fixing frames 31 are driven to rotate when the rotating rods 27 rotate, the fixing frames 31 are clamped on the surfaces of the trapezoidal blocks 32, the inner walls of the clamping grooves 33 are pushed through the springs 34, the trapezoidal blocks 32 are pushed to be clamped in the fixing frames 31 through the clamping grooves 33, the four trapezoidal blocks 32 are fixed through the two connecting rods 36, and the four fixing frames 31 are further connected with one another, the rotating rod 27 is reinforced, and the sealing ring 21 is prevented from loosening and leaking due to loosening of the bolt 29.

The distance between the fixed frame 31 and the outer wall of the pipeline 1 is the same as the height of the side wall of the trapezoidal block 32 with the inclined plane, so that the trapezoidal block 32 can be pushed out from the fixed frame 31.

The inner side of the spring 34 is tightly clamped with the outer wall of the fixing rod 35, the outer side of the spring 34 is tightly clamped with the inner wall of the clamping groove 33, and the fixing rod 35 supports the trapezoidal block 32.

The inclined plane of trapezoidal piece 32 sets up on keeping away from one side lateral wall of swivel 26, and then makes things convenient for fixed frame 31 joint on the inclined plane of trapezoidal piece 32.

Two connecting rods 36 are respectively located at both sides of the pipeline 1, and the trapezoidal blocks 32 at both ends of the pipeline 1 are connected by the connecting rods 36.

Specifically, when the utility model is used, firstly, the two sealing rings 21 are respectively clamped on the inner walls of the two ends of the pipeline 1, so that the two lantern rings 23 are respectively sleeved on the outer walls of the two ends of the pipeline 1, then, the two rotation levers 27 are rotated to horizontally arrange the rotation levers 27 with the pipe 1, and then the bolts 29 are inserted into the through holes 28, then the bolt 29 is screwed with the screw cylinder 210, so that the rotating rod 27 is fixedly connected with the pipeline 1, thereby sealing both ends of the pipeline 1, driving the fixing frame 31 to rotate when the rotating rod 27 rotates, so that the fixing frame 31 is clamped on the surface of the trapezoidal block 32, the inner wall of the clamping groove 33 is pushed by the spring 34, the trapezoidal blocks 32 are pushed to be clamped in the fixing frame 31 by the clamping groove 33, the four trapezoidal blocks 32 are fixed by the two connecting rods 36, the four fixing frames 31 are connected with each other, the rotating rod 27 is reinforced, and the sealing ring 21 is prevented from loosening and leaking due to loosening of the bolt 29.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any number of indicated technical features, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy cold drawn pipe for large-scale hydraulic pressure pipe, includes pipeline (1), its characterized in that: a sealing mechanism (2) is arranged on the outer side of the pipeline (1), and a reinforcing mechanism (3) is arranged on the sealing mechanism (2);

the sealing mechanism (2) comprises two sealing rings (21), the two sealing rings (21) are respectively clamped on the inner walls of the two ends of the pipeline (1), the two sealing rings (21) are fixedly connected with circular plates (22) on the side walls, the circular plates (22) are respectively fixedly sleeved on the inner walls of the lantern rings (23), the two clamping pieces (24) are symmetrically and fixedly connected on the outer circular side walls of the two sides of the lantern rings (23), a fixed shaft (25) is fixedly connected between the two symmetrical clamping pieces (24), the four fixing shafts (25) are rotationally connected with rotating rings (26) on the surface, the four rotating rings (26) are fixedly connected with rotating rods (27) on the surface, the four rotating rods (27) are provided with through holes (28) on the surface, bolts (29) are inserted in the through holes (28), and the four bolts (29) are respectively in the four threaded cylinders (210), the four threaded cylinders (210) are respectively and symmetrically fixedly connected to the outer walls of the two sides of the pipeline (1);

reinforcing mechanism (3) are including four fixed frames (31), four fixed frame (31) fixed connection respectively is in the one end of keeping away from swivel (26) in four bull stick (27), four the equal joint in inside of fixed frame (31) has trapezoidal piece (32), four draw-in groove (33), four have all been seted up on the opposite side lateral wall of trapezoidal piece (32) the equal joint in inside of draw-in groove (33) has spring (34), four the equal joint in inside of spring (34) has dead lever (35), four dead lever (35) symmetry fixed connection respectively is on the both sides outer wall of pipeline (1), four trapezoidal piece (32) fixed connection respectively is at the both ends of two connecting rods (36).

2. The high-precision cold drawn pipe for the large hydraulic pipe according to claim 1, characterized in that: the distance between the fixed frame (31) and the outer wall of the pipeline (1) is the same as the height of the side wall of the trapezoidal block (32) provided with the inclined plane.

3. The high-precision cold drawn pipe for the large hydraulic pipe according to claim 1, characterized in that: the inner side of the spring (34) is tightly clamped with the outer wall of the fixed rod (35).

4. The high-precision cold drawn pipe for the large hydraulic pipe according to claim 1, characterized in that: the outer side of the spring (34) is tightly clamped with the inner wall of the clamping groove (33).

5. The high-precision cold drawn pipe for the large hydraulic pipe according to claim 1, characterized in that: the inclined surface of the trapezoidal block (32) is arranged on the side wall far away from the rotating ring (26).

6. The high-precision cold drawn pipe for the large hydraulic pipe according to claim 1, characterized in that: the two connecting rods (36) are respectively positioned at two sides of the pipeline (1).