CN109253333B - A stainless steel pipe connection assembly - Google Patents

Abstract

The invention discloses a stainless steel pipe connecting assembly, and relates to the technical field of pipeline connection. The invention comprises a steel pipe body and a connecting component, wherein the connecting component comprises a group of joints and a stainless steel telescopic hose, and the peripheral side surface of each joint is rotationally connected with a fixing device; the joint comprises a positioning pipe, and one end of the positioning pipe is fixed with a sleeve through a water shutoff plate; the fixing device comprises a first arc-shaped clamp and a second arc-shaped clamp, and a first locating piece is fixed at one end of the first arc-shaped clamp. According to the invention, the pull plate is pulled and the first arc clamp and the second arc clamp are rotated to tightly wrap the steel pipe body, the preset positioning rod is driven to move downwards by the elastic force provided by the spring and is inserted into the preset positioning notch on the arc connecting plate and the second arc clamp, so that the positions of the first arc clamp and the second arc clamp are limited, and the problem that the clamping ring is inconvenient to use due to the fact that the clamping ring is required to be kept at any time when the bolt is screwed by the existing connecting assembly is solved.

Description

A stainless steel pipe connection assembly

technical field

The invention belongs to the technical field of pipe connection, in particular to a stainless steel pipe connection assembly.

Background technique

Pipeline connection refers to connecting the prefabricated pipe sections into a complete system according to the requirements of the design drawing. During construction, different connection methods should be selected according to the material of the pipe used. Ordinary steel pipes have threaded connection, flange connection, welding Connection, socket connection, pipe adhesive connection and other methods.

The existing stainless steel pipe connection components are generally one-piece, and the steel pipe is fixed on the connection component by bolts. If the existing connection component is used for two steel pipes that are not opposite to each other, there will be a problem that the connection cannot be connected, which is not convenient for users. Installation, and the existing pipeline connection assembly is fixed with bolts, but the position of the two clamping rings needs to be maintained when the bolts are inserted and tightened, which is inconvenient for users to use.

Contents of the invention

The purpose of the present invention is to provide a stainless steel pipe connection assembly, by pulling the pull plate and turning the first arc clamp and the second arc clamp to tightly wrap the steel pipe body, the elastic force provided by the spring drives the pre-positioning rod to move downward and insert the arc The inside of the pre-positioned notch on the shaped connecting plate and the second arc clip limits the position of the first arc clip and the second arc clip, which solves the problem that the existing connection assembly needs to keep the position of the clamping ring at all times when tightening the bolts. User-friendly issues.

In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:

The invention relates to a stainless steel pipe connection assembly, which includes a steel pipe body and a connection assembly. The connection assembly includes a set of joints and a stainless steel telescopic hose, and a fixing device is rotatably connected to the side of the joint;

The joint includes a positioning pipe, and one end of the positioning pipe is fixed with a sleeve through a water blocking plate;

The fixing device includes a first arc-shaped clamp and a second arc-shaped clamp, one end of the first arc-shaped clamp is fixed with a first positioning piece, one end of the second arc-shaped clamp is fixed with a second positioning piece, and the first arc-shaped clamp is fixed with a second positioning piece. One side of the positioning piece is fixed with an L-shaped plate, one side of the L-shaped plate is fixed with an arc-shaped plate, one surface of the L-shaped plate is provided with a rectangular notch, and a pre-positioning rod is slidably fitted in the rectangular notch;

The pre-positioning rod is a square rod structure, the bottom surface of the pre-positioning rod is an arc surface, and the arc surface contacts the outer surface of the steel pipe body. There is a limiting piece, a spring is fixed between the limiting piece and the L-shaped plate, and the spring is arranged around the outer surface of the prepositioning rod;

One surface of the first positioning piece is fixed with an arc-shaped connecting piece, and one surface of the second positioning piece is provided with a through notch that fits with the arc-shaped connecting piece. The arc-shaped connecting piece and the second arc-shaped clamp The surface is provided with a pre-positioning notch and a threaded notch, the position of the pre-positioning notch is opposite to the position of the pre-positioning rod, and a threaded sleeve is fixed on one surface of the arc-shaped plate, and the position of the threaded sleeve and the threaded notch is fixed. relatively.

Further, both ends of the stainless steel telescopic hose are sleeved and fixed with a mounting plate, and the mounting plate is fixedly connected to one end of the sleeve by welding, and the mounting plate is a hollow cylinder structure.

Further, a rotating shaft is fixed on the peripheral side of the sleeve through three connecting seats, and the three connecting seats divide the rotating shaft into two parts, and the two parts are respectively used for the rotation of the rotating ring on the first arc clip and the second arc clip One end of the first arc-shaped clamp and the second arc-shaped clamp are respectively fixed with a rotating ring through the connecting plate, and the first arc-shaped clamp and the second arc-shaped clamp are respectively connected to the side of the sleeve circumference through the rotating ring and the rotating shaft. .

Further, the outer diameter of the positioning pipe is consistent with the inner diameter of the steel pipe body, the inner diameter of the sleeve is consistent with the outer diameter of the steel pipe body, and a rubber ring is fixed on one surface of the water blocking plate, and the rubber ring acts as a seal.

Further, the gap between the arc-shaped plate and the second arc-shaped clamp is the same as the thickness of the arc-shaped connecting piece, and the inner diameter of the first arc-shaped clamp and the inner diameter of the second arc-shaped clamp are both the same as the outer diameter of the steel pipe body same.

Further, a pull plate is fixed on one surface of the blocking piece, and an opposite side of the pull plate is arc-shaped.

The present invention has the following beneficial effects:

The present invention tightly wraps the steel pipe body by pulling the pull plate and rotating the first arc clamp and the second arc clamp. When the first positioning plate contacts the second positioning plate, the pull plate is released, and the elastic force provided by the spring drives the pre-positioning rod to The downward movement is inserted into the pre-positioned notch on the arc-shaped connecting plate and the second arc-shaped clip, limiting the position of the first arc-shaped clip and the second arc-shaped clip, pre-fixed to prevent the user from needing to adjust the position of the fixed clip at all times when tightening the bolts Position, the first arc clip and the second arc clip are fixed on the steel pipe body through the cooperation of bolts, threaded sleeves and thread notches, which is convenient for users to install and saves manpower and material resources.

The invention satisfies the connection of two steel pipes at any position by providing a positioning pipe and a stainless steel telescopic hose, avoids the problem that the connection assembly cannot be adjusted and needs to adjust the steel pipe position, improves the fault tolerance rate of construction, and satisfies the user's use effect.

Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the structural representation of a kind of stainless steel pipe connection assembly of the present invention;

Figure 2 is an exploded view of the structure of Figure 1;

Fig. 3 is the structural representation of joint;

Fig. 4 is the structural representation of fixing device;

Fig. 5 is the structural side view of Fig. 4;

Fig. 6 is a structural sectional view at A-A place in Fig. 5;

Fig. 7 is a partial enlarged view of place A in Fig. 6;

Fig. 8 is a structural schematic diagram of the first arc clip;

Fig. 9 is a schematic structural view of the second arc clip;

Figure 10 is a schematic structural view of the pre-positioning rod;

Fig. 11 is a structural schematic diagram of a stainless steel telescopic hose;

In the accompanying drawings, the list of parts represented by each label is as follows:

1-steel pipe body, 2-connection components, 3-joint, 4-stainless steel telescopic hose, 5-fixing device, 6-first arc clamp, 7-second arc clamp, 8-rubber ring, 301-positioning Pipe, 302-water blocking plate, 303-sleeve, 304-rotating shaft, 401-installation plate, 601-first positioning piece, 602-arc connecting piece, 603-pre-positioning notch, 604-thread notch, 605 -arc connecting plate, 606-rotating ring, 701-second positioning piece, 702-L-shaped plate, 703-arc plate, 704-rectangular notch, 705-pre-positioning rod, 706-block piece, 707-limit Bit sheet, 708-spring, 709-through notch, 710-thread sleeve, 711-drawing plate.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Figures 1-10, the present invention is a stainless steel pipe connection assembly, including a steel pipe body 1 and a connection assembly 2, the connection assembly 2 includes a set of joints 3 and a stainless steel telescopic hose 4, and the joints 3 are connected by side rotation There is a fixing device 5;

The joint 3 includes a positioning pipe 301, and one end of the positioning pipe 301 is fixed with a sleeve 303 through a water blocking plate 302;

The fixing device 5 comprises a first arc clamp 6 and a second arc clamp 7, one end of the first arc clamp 6 is fixed with a first positioning piece 601, one end of the second arc clamp 7 is fixed with a second positioning piece 701, and the second arc clamp 7 is fixed with a second positioning piece 701. One side of the positioning piece 701 is fixed with an L-shaped plate 702, one side of the L-shaped plate 702 is fixed with an arc-shaped plate 703, one surface of the L-shaped plate 702 is provided with a rectangular notch 704, and a pre-positioning rod 705 is slidingly fitted in the rectangular notch 704 ;

The pre-location rod 705 is a square rod structure, the bottom surface of the pre-location rod 705 is an arc surface, and the arc surface is in contact with the outer surface of the steel pipe body 1. One end of the pre-location rod 705 is fixed with a catch 706, and the side of the pre-location rod 705 is fixed with a limit. A spring 708 is fixed between the positioning piece 707, the limiting piece 707 and the L-shaped plate 702, and the spring 708 is arranged around the outer surface of the pre-positioning rod 705;

One surface of the first positioning piece 601 is fixed with an arc-shaped connecting piece 602, and one surface of the second positioning piece 701 is provided with a through notch 709 that fits with the arc-shaped connecting piece 602. The arc-shaped connecting piece 602 and the second arc-shaped clip 7 One surface is provided with a pre-positioning notch 603 and a threaded notch 604, the pre-positioning notch 603 is opposite to the position of the pre-positioning rod 705, and one surface of the arc-shaped plate 703 is fixed with a threaded sleeve 710, and the threaded sleeve 710 and the threaded notch 604 is relative in position.

Wherein as shown in Figure 11, both ends of the stainless steel telescopic hose 4 are sleeved and fixed with a mounting plate 401, and the mounting plate 401 is fixedly connected to one end of the sleeve 303 by welding, and the mounting plate 401 is a hollow cylinder structure.

Wherein as shown in Figure 3 and Figure 4, a rotating shaft 304 is fixed on the side of the sleeve 303 through three connecting seats, and the rotating shaft 304 is divided into two parts by the three connecting seats, and the two parts are respectively used for the first arc clamp 6 and the second The rotating ring 606 on the two arc clamps 7 rotates, and one end of the first arc clamp 6 and the second arc clamp 7 is respectively fixed with the rotation ring 606 by the connecting plate 605, the first arc clamp 6 and the second arc clamp 7 It is rotationally connected with the peripheral side of the sleeve 303 through the rotating ring 606 and the rotating shaft 304 respectively.

Wherein as shown in Figure 2, the outer diameter of the positioning pipe 301 is consistent with the inner diameter of the steel pipe body 1, the inner diameter of the sleeve 303 is consistent with the outer diameter of the steel pipe body 1, and a rubber ring 8 is fixed on the surface of the water blocking plate 302, and the rubber ring 8 acts as a seal. role.

Wherein as shown in Figure 4 and Figure 7, the gap between the arc-shaped plate 703 and the second arc-shaped clip 7 is the same as the thickness of the arc-shaped connecting piece 602, the inner diameter of the first arc-shaped clip 6 and the thickness of the second arc-shaped clip 7 The inner diameters are all the same as the outer diameter of the steel pipe body 1 .

As shown in FIG. 10 , a pull plate 711 is fixed on one surface of the blocking piece 706 , and the opposite sides of the pull plate 711 are arc-shaped structures.

A specific application of this embodiment is: when connecting, insert the positioning tube 301 on a joint 3 into the steel pipe body 1, the steel pipe body 1 is stuck between the sleeve 303 and the positioning tube 301, and push the sleeve 303 to make the sealing ring 8 contact the steel pipe body 1, pull the pull plate 711 upwards and rotate the first arc clip 6 and the second arc clip 7, the pull plate 711 drives the pre-positioning rod 705 to move upwards and squeeze the spring 708, and the bottom end of the pre-positioning rod 705 is disengaged Pre-position the notch 603, the arc plate 703 passes through the notch 709 and slides along the outer surface of the second arc clip 7, when the first positioning plate 601 contacts the second positioning plate 701, the first arc clip 6 and the second The arc clip 7 is tightly attached to the outer surface of the steel pipe body 1, and the pull plate 711 is released. The elastic force provided by the spring 708 drives the pre-positioning rod 705 to move downward and insert it into the pre-positioning position on the arc connecting plate 605 and the second arc clip 7. Inside the notch 603, limit the position of the first arc clip 6 and the second arc clip 7, and utilize bolts to pass through the threaded sleeve 710 and the thread notch 604 to fix the first arc clip 6 and the second arc clip 7 on On the steel pipe body 1, the joint 3 at the other end of the stainless steel telescopic hose 4 is connected to another steel pipe body 1 in the same manner.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (4)

1. A stainless steel pipe connection assembly, including a steel pipe body (1) and a connection assembly (2), characterized in that: the connection assembly (2) includes a set of joints (3) and a stainless steel telescopic hose (4), A fixing device (5) is rotationally connected to the side of the joint (3); The joint (3) includes a positioning pipe (301), and one end of the positioning pipe (301) is fixed with a sleeve (303) through a water blocking plate (302); The fixing device (5) includes a first arc-shaped clamp (6) and a second arc-shaped clamp (7). One end of the first arc-shaped clamp (6) is fixed with a first positioning piece (601), and the first arc-shaped clamp (6) is fixed with a first positioning piece (601). One end of the two arc-shaped clips (7) is fixed with a second positioning piece (701), one side of the second positioning piece (701) is fixed with an L-shaped plate (702), and one side of the L-shaped plate (702) is fixed with a An arc-shaped plate (703), one surface of the L-shaped plate (702) is provided with a rectangular notch (704), and a pre-positioning rod (705) is slidingly fitted in the rectangular notch (704); The pre-positioning rod (705) is a square rod structure, the bottom surface of the pre-positioning rod (705) is an arc surface, and a stopper (706) is fixed at one end of the pre-positioning rod (705), and the pre-positioning rod ( 705) a limiting piece (707) is fixed on the peripheral side, and a spring (708) is fixed between the limiting piece (707) and the L-shaped plate (702), and the spring (708) is arranged around the prepositioning rod ( 705) external surface; One surface of the first positioning piece (601) is fixed with an arc-shaped connecting piece (602), and one surface of the second positioning piece (701) is provided with a through notch (709) that fits with the arc-shaped connecting piece (602). ), one surface of the arc-shaped connecting piece (602) and the second arc-shaped clamp (7) has a pre-positioning notch (603) and a thread notch (604), and the pre-positioning notch (603) Opposite to the pre-positioning rod (705), a threaded sleeve (710) is fixed on one surface of the arc-shaped plate (703), and the threaded sleeve (710) is positioned opposite to the threaded notch (604); Both ends of the stainless steel telescopic hose (4) are socketed and fixed with a mounting plate (401), and the mounting plate (401) is fixedly connected to one end of the sleeve (303) by welding; A rotating shaft (304) is fixed on the peripheral side of the sleeve (303) through several connecting seats, and one end of the first arc-shaped clamp (6) and the second arc-shaped clamp (7) are respectively fixed with a rotating shaft through a connecting plate (605). The ring (606), the first arc-shaped clip (6) and the second arc-shaped clip (7) are rotatably connected to the peripheral side of the sleeve (303) through the rotating ring (606) and the rotating shaft (304) respectively. 2. A stainless steel pipe connection assembly according to claim 1, characterized in that the outer diameter of the positioning pipe (301) is consistent with the inner diameter of the steel pipe body (1), and the inner diameter of the sleeve (303) is the same as the steel pipe body (1) The outer diameters are consistent, and a rubber ring (8) is fixed on one surface of the water blocking plate (302). 3. A stainless steel pipe connection assembly according to claim 1, characterized in that the gap between the arc-shaped plate (703) and the second arc-shaped clamp (7) is the same as the gap between the arc-shaped connecting piece (602) The thickness is the same, and the inner diameter of the first arc clip (6) and the second arc clip (7) are both the same as the outer diameter of the steel pipe body (1). 4. A stainless steel pipe connection assembly according to claim 1, characterized in that a pull plate (711) is fixed on one surface of the baffle (706), and an opposite side of the pull plate (711) is arc surface structure.