Three-roller skew rolling integral type spiral finned tube positioning device

Abstract

The utility model relates to the technical field of positioning devices, in particular to a three-roller skew rolling integral type spiral finned tube positioning device which comprises a base body, a fixing base is fixedly installed at the top end of the base body, and bolts are connected to the two sides, close to the fixing base, of the top end of the base body through internal thread grooves. A connecting pipe is mounted at the top end of the fixed seat through a groove, an external thread groove is formed in the outer side of the connecting pipe, a movable pipe is connected to the outer side of the external thread groove through an internal thread groove, a positioning shaft is arranged on the inner side of the connecting pipe, a limiting ring is fixedly connected to one end of the positioning shaft, and a first spring is arranged at one end of the bolt; according to the three-roller skew rolling integral type spiral finned tube fixing device, the bolt, the connecting tube, the external thread groove, the movable tube, the positioning shaft, the limiting ring and the second spring are arranged, so that the three-roller skew rolling integral type spiral finned tube can be conveniently positioned and installed, the observation and detection effects are improved, and the practicability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a three-roller oblique-rolled integral spiral fin tube positioning device. Background Art

[0002] The embedded spiral fin tube is made by pre-processing a spiral groove of a certain width and depth on the steel pipe, and then embedding the steel strip on the steel pipe on a lathe; during the winding process, due to a certain pre-tightening force, the steel strip will be tightly tightened in the spiral groove, thereby ensuring a certain contact area between the steel strip and the steel pipe.

[0003] The existing spiral finned tubes are not convenient to be positioned and installed, and the effect of observing and detecting the spiral finned tubes is poor, resulting in poor practicality.

[0004] Therefore, it is particularly important to design a three-roller oblique-rolled integral spiral fin tube positioning device to change the above technical defects and improve the overall practicality. Utility Model Content

[0005] The utility model aims to provide a three-roller oblique rolling integral spiral fin tube positioning device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A three-roll oblique-rolled integral spiral fin tube positioning device comprises a base body, a fixing seat is fixedly installed on the top of the base body, bolts are connected to the two sides of the top of the base body near the fixing seat through internal thread grooves, a connecting pipe is installed on the top of the fixing seat through a groove, an external thread groove is opened on the outer side of the connecting pipe, a movable pipe is connected to the outer side of the external thread groove through an internal thread groove, a positioning shaft is provided on the inner side of the connecting pipe, one end of the positioning shaft is fixedly connected to a limiting ring, a first spring is provided at one end of the bolt, and a gasket is provided at one end of the first spring.

[0008] As a preferred solution of the present utility model, the number of the bolt, the number of the first spring and the number of the gasket are two.

[0009] As a preferred solution of the utility model, the outer side of the external thread groove is connected to the inner side of the movable tube through the internal thread groove.

[0010] As a preferred solution of the utility model, a through hole matching the positioning shaft is opened at the bottom end of the inner wall of the movable tube.

[0011] As a preferred solution of the utility model, a second spring is provided at the other end of the positioning shaft.

[0012] As a preferred solution of the present invention, the gasket is made of rubber.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, bolts, connecting pipes, external thread grooves, movable pipes, positioning shafts, limiting rings and second springs are arranged in a three-roller oblique-rolled integral spiral finned tube positioning device, so that the bolts can be rotated. With the cooperation of the connecting pipes, external thread grooves, movable pipes, positioning shafts, limiting rings and second springs, the three-roller oblique-rolled integral spiral finned tubes can be positioned and installed, thereby improving the effects of observation and detection and enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the connecting pipe and the external thread groove of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the movable tube of the utility model;

[0018] Figure 4 It is a schematic diagram of the positioning shaft, the limiting ring and the second spring structure of the utility model.

[0019] In the figure: 1. base body; 2. fixing seat; 3. bolt; 4. connecting pipe; 5. external thread groove; 6. movable pipe; 7. positioning shaft; 8. limiting ring; 9. first spring; 10. gasket; 11. second spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] For examples, see Figure 1-4 , the utility model provides a technical solution:

[0025] A three-roller obliquely rolled integral spiral finned tube positioning device comprises a base body 1, a fixing seat 2 is fixedly installed on the top of the base body 1, bolts 3 are connected to the two sides of the top of the base body 1 near the fixing seat 2 through internal thread grooves, a connecting pipe 4 is installed on the top of the fixing seat 2 through a groove, an external thread groove 5 is opened on the outer side of the connecting pipe 4, and a movable pipe 6 is connected to the outer side of the external thread groove 5 through the internal thread groove, and a positioning shaft 7 is provided on the inner side of the connecting pipe 4, one end of the positioning shaft 7 is fixedly connected to a limiting ring 8, so that the bolt 3 is rotated to install and fix the base body 1, the limiting ring 8 is used to limit the positioning shaft 7, and the second spring 11 is used to protect the positioning shaft 7, the positioning shaft 7 is placed inside the connecting pipe 4, the movable pipe 6 is rotated, and the movable pipe 6 is fixed under the action of the external thread groove 5, the three-roller obliquely rolled integral spiral finned tube is inserted into the inside of the movable pipe 6, and the three-roller obliquely rolled integral spiral finned tube is positioned and installed with the cooperation of the positioning shaft 7, so as to improve the effect of observation and detection;

[0026] Among them, the number of bolts 3, first springs 9 and gaskets 10 are all two, the outer side of the external thread groove 5 is connected to the inner side of the movable tube 6 through the internal thread groove, the bottom end of the inner wall of the movable tube 6 is provided with a through hole compatible with the positioning shaft 7, and the other end of the positioning shaft 7 is provided with a second spring 11, so that the bolt 3 is rotated to install and fix the base body 1, the positioning shaft 7 is limited by the limiting ring 8, and the positioning shaft 7 is protected by the second spring 11, the positioning shaft 7 is placed inside the connecting tube 4, the movable tube 6 is rotated, and the movable tube 6 is fixed under the action of the external thread groove 5, the three-roll oblique rolled integral spiral fin tube is inserted into the inside of the movable tube 6, and the three-roll oblique rolled integral spiral fin tube is positioned and installed with the cooperation of the positioning shaft 7, so as to improve the effect of observation and detection, and the positioning shaft 7 is convenient to replace by rotating the movable tube 6 in the opposite direction, thereby enhancing practicality.

[0027] In this embodiment, please refer to Figure 1 A first spring 9 is provided at one end of the bolt 3, and a gasket 10 is provided at one end of the first spring 9, so that the first spring 9 and the gasket 10 play a certain fixing role on the bolt 3;

[0028] The gasket 10 is made of rubber, so when the bolt 3 is rotated, the bolt 3 is driven to move through the internal thread groove, and the first spring 9 and the gasket 10 are deformed by force to generate rebound force, which plays a certain fixing role on the bolt 3.

[0029] The working process of the utility model is as follows: when in use, check whether the appearance of the equipment is damaged. After the inspection, rotate the bolt 3 to install and fix the base body 1. The positioning shaft 7 is limited by the limiting ring 8, and the positioning shaft 7 is protected by the second spring 11. The positioning shaft 7 is placed inside the connecting tube 4, and the movable tube 6 is rotated. The movable tube 6 is fixed under the action of the external thread groove 5. The three-roll oblique-rolled integral spiral finned tube is inserted into the inside of the movable tube 6. The three-roll oblique-rolled integral spiral finned tube is positioned and installed with the cooperation of the positioning shaft 7, so as to improve the effect of observation and detection, and the positioning shaft 7 is easily replaced by rotating the movable tube 6 in the opposite direction. When the bolt 3 is rotated, the bolt 3 is driven to move by the internal thread groove, and the first spring 9 and the gasket 10 are deformed by force to generate a rebound force, which plays a certain fixing role on the bolt 3, enhances practicality, and has promotion value.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-roller oblique rolling integral spiral fin tube positioning device, comprising a base body (1), characterized in that: A fixing seat (2) is fixedly mounted on the top of the base body (1); bolts (3) are connected to the top of the base body (1) near the two sides of the fixing seat (2) through internal thread grooves; a connecting pipe (4) is mounted on the top of the fixing seat (2) through a groove; an external thread groove (5) is provided on the outside of the connecting pipe (4); a movable pipe (6) is connected to the outside of the external thread groove (5) through an internal thread groove; a positioning shaft (7) is provided on the inside of the connecting pipe (4); one end of the positioning shaft (7) is fixedly connected to a limiting ring (8); a first spring (9) is provided at one end of the bolt (3); and a gasket (10) is provided at one end of the first spring (9).

2. A three-roller oblique rolling integral spiral fin tube positioning device according to claim 1, characterized in that: The number of the bolt (3), the first spring (9) and the gasket (10) is two.

3. The three-roller oblique-rolled integral spiral fin tube positioning device according to claim 1, characterized in that: The outer side of the external thread groove (5) is connected to the inner side of the movable tube (6) through the internal thread groove.

4. The three-roller oblique-rolled integral spiral fin tube positioning device according to claim 1, characterized in that: A through hole matching the positioning shaft (7) is provided at the bottom end of the inner wall of the movable tube (6).

5. The three-roller oblique-rolled integral spiral fin tube positioning device according to claim 1, characterized in that: A second spring (11) is provided at the other end of the positioning shaft (7).

6. The three-roller oblique-rolled integral spiral fin tube positioning device according to claim 1, characterized in that: The gasket (10) is made of rubber.

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