CN216954167U

CN216954167U - Radiant tube convenient to install and fix

Info

Publication number: CN216954167U
Application number: CN202122827561.7U
Authority: CN
Inventors: 沈羊林; 沈鹏程
Original assignee: Jiangsu Yongshang Steel Pipe Co ltd
Current assignee: Jiangsu Yongshang Steel Pipe Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-07-12
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the technical field of radiant tube equipment, and discloses a radiant tube convenient to install and fix, which comprises a radiant tube outer tube, wherein a radiant tube inner tube is fixedly installed inside the radiant tube outer tube, the length of the radiant tube inner tube is four fifths of that of the radiant tube outer tube, a connecting device is arranged on the outer wall of the radiant tube outer tube, and the connecting device specifically comprises a connecting ring. This kind of radiant tube convenient to install fixedly, the connecting device who sets up through the activity on the radiant tube outer wall makes two radiant tubes only need promote the go-between when connecting can make inseparable that the junction connects, has simplified the installation procedure between the radiant tube, has strengthened the practicality of device.

Description

Radiant tube convenient to install and fix

Technical Field

The utility model relates to the technical field of radiant tube equipment, in particular to a radiant tube convenient to install and fix.

Background

The radiant tube means a pipe extending in a straight line from the center to each direction. Refers to a non-central pipe (or stem) that delivers the substance of the stem to a designated or non-designated address. The radiant tube is widely applied to the heating furnace and is a main heating element of the heating furnace. The radiant tubes used are mainly divided into two main categories: a gas radiant tube and an electric heating radiant tube. The heat efficiency of the gas radiant tube is about one time higher than that of the electric heating radiant tube. Therefore, the gas radiant tube is a development trend of future radiant tubes. The radiant tube is connected to increase the overall length of the radiant tube, so that the exchange efficiency between heat in the tube and the outside is improved, and the problems of complex connection and difficulty in disassembly still exist in the installation between the conventional radiant tubes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the radiant tube which is convenient to install and fix, and solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a radiant tube convenient to install fixedly, includes the radiant tube outer tube, the inside fixed mounting of radiant tube outer tube has the length of radiant tube inner tube and radiant tube inner tube to be four fifths of the radiant tube outer tube, is provided with connecting device on the outer wall of radiant tube outer tube, and connecting device specifically includes the go-between.

Preferably, one end of the inner tube of the radiant tube is flush with the end face of the outer tube of the radiant tube, an inserting tube is fixedly mounted on the wall face, flush with the outer tube of the radiant tube, of one side of the inner tube of the radiant tube, the outer circle diameter of the inserting tube is the same as the inner circle diameter of the outer tube of the radiant tube, and a sealing ring is fixedly mounted on the wall face of the other end of the inner tube of the radiant tube.

Preferably, two movable grooves are symmetrically formed in the outer wall of the outer tube of the radiant tube, two groups of clamping grooves are symmetrically formed in the inner wall of each movable groove, and the number of each group of clamping grooves is two.

Preferably, there are two sets of sliders with the position movable mounting that the activity groove corresponds on the inner wall of go-between, the quantity of every slider of group is two, and the shape and the activity groove phase-match of slider, be provided with the two-way lead screw that is used for connecting two sliders between two sliders of every group, the both ends of two-way lead screw respectively with two slider threaded connection, the fixed position that corresponds with two-way lead screw on the inner wall of go-between has solid fixed ring, rotate between two-way lead screw and the solid fixed ring and be connected, the position threaded connection that corresponds with the turn-round ring on the outer wall of two-way lead screw has the gear, the fixed position that corresponds with the gear on the inner wall of turn-round ring has a plurality of tooth pieces, intermeshing between tooth piece and the gear.

Preferably, the mounting groove has all been run through at the both ends that the slider is located the go-between outside, the inside movable mounting of mounting groove has two joint pieces, and the shape and the joint groove phase-match of joint piece, this joint piece joint is in the joint inslot, be provided with the spring that is used for connecting two joint pieces between two joint pieces, the quantity of spring is two sets of, and the both ends of spring respectively with two joint piece fixed connection together, be located left joint piece and seted up the circular port on the position that the spring corresponds, it has the connecting rod to peg graft in this circular port, the other end of connecting rod corresponds fixed connection on the position with being located the joint piece on right side, the connecting rod is located the inside setting of spring.

Preferably, the outer wall of the torsion ring is symmetrically and fixedly provided with two connecting slide blocks, each connecting slide block is of a T-shaped structure, the inner wall of each connecting ring is provided with a sliding groove at a position corresponding to the corresponding connecting slide block, the shape of each sliding groove is matched with that of each connecting slide block, and each connecting slide block is movably arranged in each sliding groove.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. this kind of radiant tube convenient to install fixedly, the connecting device who sets up through the activity on the radiant tube outer wall makes two radiant tubes only need promote the go-between when connecting can make inseparable that the junction connects, has simplified the installation procedure between the radiant tube, has strengthened the practicality of device.

2. This kind of radiant tube convenient to install fixedly, thereby the torsion ring of movable mounting on the go-between outer wall drives two-way lead screw rotations that set up in the go-between through simple rotation and strains two sliders, has strengthened the stability after the device installation is accomplished.

3. This kind of radiant tube convenient to install fixedly, the movable groove of seting up on the radiant tube outer tube has increased the area of contact of heat in the radiant tube and external world, has improved intraductal heat and has been the exchange efficiency in external world, and the sealing washer that sets up in the radiant tube outer tube has elasticity, has strengthened the leakproofness between two radiant tubes.

Drawings

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

FIG. 2 is a schematic view of the connecting device of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B according to the present invention;

FIG. 5 is a schematic cross-sectional view of a slider structure according to the present invention;

FIG. 6 is a schematic cross-sectional view of a connecting device according to the present invention;

FIG. 7 is an enlarged view of a portion of the utility model at C of FIG. 6.

In the figure: 1. a radiant tube outer tube; 2. an inner tube of a radiant tube; 3. a movable groove; 4. a clamping groove; 5. a connecting ring; 6. a slider; 7. a seal ring; 8. a torsion ring; 9. a bidirectional lead screw; 10. mounting grooves; 11. a clamping block; 12. a connecting rod; 13. a spring; 14. inserting a pipe; 15. a gear; 16. a chute; 17. connecting the sliding block; 18. a tooth block; 19. and (4) fixing the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-7, a radiant tube convenient to install and fix includes a radiant tube outer tube 1, a radiant tube inner tube 2 is fixedly installed inside the radiant tube outer tube 1, the length of the radiant tube inner tube 2 is four fifths of the radiant tube outer tube 1, a connecting device is arranged on the outer wall of the radiant tube outer tube 1, the connecting device specifically includes a connecting ring 5, and the connecting device movably arranged on the outer wall of the radiant tube outer tube 1 enables the two radiant tubes to be tightly and hermetically connected only by pushing the connecting ring 5 when the two radiant tubes are connected, so that the installation steps between the radiant tubes are simplified, the sealing performance of the connecting part is improved, and the practicability of the device is enhanced.

Further, as shown in fig. 1 and 3, one end of the inner tube 2 of the radiant tube is flush with the end face of the outer tube 1 of the radiant tube, the insertion tube 14 is fixedly installed on the wall face of one side of the inner tube 2 flush with the outer tube 1 of the radiant tube, the outer circle diameter of the insertion tube 14 is the same as the inner circle diameter of the outer tube 1 of the radiant tube, the sealing ring 7 is fixedly installed on the wall face of the other end of the inner tube 2 of the radiant tube, the insertion tube 14 fixedly installed on the inner tube 2 of one radiant tube is inserted into the outer tube 1 of the other radiant tube, so that the two radiant tubes are preliminarily connected together, the sealing ring 7 is located at the junction of the two radiant tubes, and the sealing performance of the junction is enhanced.

Further, as shown in fig. 1, two movable grooves 3 are symmetrically formed in the outer wall of the outer radiant tube 1, two sets of clamping grooves 4 are symmetrically formed in the inner wall of each movable groove 3, the number of each set of clamping grooves 4 is two, and the movable grooves 3 formed in the outer radiant tube 1 increase the contact area between heat in the radiant tube and the outside, so that the exchange efficiency of the heat in the radiant tube for the outside is improved.

Further, as shown in fig. 2, 4, 6 and 7, two sets of sliders 6 are movably mounted on the inner wall of the connecting ring 5 at positions corresponding to the movable grooves 3, the number of each set of sliders 6 is two, the shape of the slide blocks 6 is matched with the movable groove 3, a bidirectional screw 9 for connecting the two slide blocks 6 is arranged between each two slide blocks 6, two ends of the bidirectional screw 9 are respectively in threaded connection with the two slide blocks 6, a fixed ring 19 is fixedly arranged on the inner wall of the connecting ring 5 at a position corresponding to the bidirectional screw 9, the bidirectional screw 9 is rotationally connected with the fixed ring 19, a gear 15 is in threaded connection with a position corresponding to the torsion ring 8 on the outer wall of the bidirectional screw 9, a plurality of tooth blocks 18 are fixedly arranged on the inner wall of the torsion ring 8 at a position corresponding to the gear 15, the tooth blocks 18 are mutually meshed with the gear 15, the two-way screw 9 is driven by the gear 15 to rotate by rotating the torsion ring 8, so that the two sliding blocks 6 at two ends of the two-way screw 9 are tensioned.

Further, as shown in fig. 2, 4 and 5, two ends of the slider 6 outside the connecting ring 5 are both provided with a mounting groove 10 in a penetrating manner, two clamping blocks 11 are movably mounted inside the mounting groove 10, the shapes of the clamping blocks 11 are matched with the clamping grooves 4, the clamping blocks 11 are clamped in the clamping grooves 4, a spring 13 for connecting the two clamping blocks 11 is arranged between the two clamping blocks 11, the number of the springs 13 is two, two ends of the spring 13 are respectively and fixedly connected with the two clamping blocks 11, a circular hole is arranged at a position corresponding to the left clamping block 11 and the spring 13, a connecting rod 12 is inserted in the circular hole, the other end of the connecting rod 12 is fixedly connected with a corresponding position on the right clamping block 11, the connecting rod 12 is arranged inside the spring 13, when the two clamping blocks 11 movably mounted on the slider 6 are respectively popped out towards two sides simultaneously under the action of the spring 13 and clamped into the clamping grooves 4, the two radiant tubes can be tightly connected.

Further, as shown in fig. 6 and 7, two connecting sliders 17 are symmetrically and fixedly mounted on the outer wall of the torsion ring 8, the connecting sliders 17 are of a T-shaped structure, a sliding groove 16 is formed in the inner wall of the connecting ring 5 at a position corresponding to the connecting slider 17, the sliding groove 16 is matched with the connecting slider 17 in shape, the connecting slider 17 is movably mounted in the sliding groove 16, and the connecting slider 17 has a special T-shaped limiting structure, so that the torsion ring 8 and the connecting ring 5 can move relatively and form a whole.

The working principle is as follows: when in use, the inserting tube 14 fixedly installed on the inner tube 2 of one radiant tube is inserted into the outer tube 1 of another radiant tube, under the action of the sealing ring 7 arranged in the outer tube 1 of the radiant tube, the two radiant tubes are tightly connected, then the connecting device arranged on the outer wall of the outer tube 1 of the radiant tube is pushed, so that the connecting ring 5 is covered at the joint of the two radiant tubes, when the two clamping blocks 11 movably installed on the slide block 6 are clamped into the clamping groove 4 under the action of the spring 13, the torsion ring 8 movably installed on the outer wall of the torsion ring 5 is rotated, the tooth block 18 fixedly installed on the inner wall of the torsion ring 8 is meshed with the gear 15 to drive the bidirectional screw 9 to rotate and simultaneously tighten the two slide blocks 6, the two radiant tubes can be tightly connected, when in disassembly, the clamping blocks 11 are inwards extruded after reversely rotating the torsion ring 8 to simultaneously move the connecting ring 5, and (4) moving the connecting device away from the joint of the two radiant tubes, and pulling the two connected radiant tubes apart to finish the disassembly of the two radiant tubes.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a radiant tube convenient to install fixedly, includes radiant tube outer tube (1), its characterized in that: the inside fixed mounting of radiant tube outer tube (1) has radiant tube inner tube (2) and radiant tube inner tube (2)'s length is the four fifths of radiant tube outer tube (1), be provided with connecting device on the outer wall of radiant tube outer tube (1), connecting device specifically includes go-between (5).

2. A radiant tube for facilitating installation and fixation according to claim 1, wherein: the one end of radiant tube inner tube (2) flushes the setting with the terminal surface of radiant tube outer tube (1), and fixed mounting has grafting pipe (14) on radiant tube inner tube (2) and on the one side wall face that radiant tube outer tube (1) flushed, and the excircle diameter of grafting pipe (14) is the same with the interior circle diameter of radiant tube outer tube (1), fixed mounting has sealing washer (7) on the other end wall face of radiant tube inner tube (2).

3. A radiant tube for facilitating installation and fixation according to claim 2, wherein: two movable grooves (3) are symmetrically formed in the outer wall of the outer radiant tube (1), two groups of clamping grooves (4) are symmetrically formed in the inner wall of each movable groove (3), and the number of each group of clamping grooves (4) is two.

4. A radiant tube for facilitating installation and fixation according to claim 3, wherein: two groups of sliders (6) are movably mounted at positions corresponding to the movable grooves (3) on the inner wall of the connecting ring (5), the number of each group of sliders (6) is two, the shapes of the sliders (6) are matched with the movable grooves (3), a bidirectional lead screw (9) used for connecting the two sliders (6) is arranged between the two sliders (6) of each group, two ends of the bidirectional lead screw (9) are respectively in threaded connection with the two sliders (6), a fixing ring (19) is fixedly mounted at a position corresponding to the bidirectional lead screw (9) on the inner wall of the connecting ring (5), the bidirectional lead screw (9) is rotatably connected with the fixing ring (19), a gear (15) is connected to a position corresponding to the torsion ring (8) on the outer wall of the bidirectional lead screw (9), a plurality of tooth blocks (18) are fixedly mounted at positions corresponding to the gear (15) on the inner wall of the torsion ring (8), the gear block (18) and the gear (15) are meshed with each other.

5. A radiant tube for facilitating installation and fixation according to claim 4, wherein: the two ends of the slide block (6) outside the connecting ring (5) are both provided with mounting grooves (10) in a penetrating way, two clamping blocks (11) are movably arranged in the mounting groove (10), the shapes of the clamping blocks (11) are matched with the clamping grooves (4), the clamping blocks (11) are clamped in the clamping grooves (4), springs (13) for connecting the two clamping blocks (11) are arranged between the two clamping blocks (11), the number of the springs (13) is two, two ends of the spring (13) are respectively fixedly connected with the two clamping blocks (11), a round hole is arranged at the position of the clamping block (11) at the left side corresponding to the spring (13), there is connecting rod (12) in this circular port interpolation, the other end of connecting rod (12) with be located right side joint piece (11) go up corresponding fixed connection on the position, connecting rod (12) are located spring (13) inside and set up.

6. A radiant tube for facilitating installation and fixation according to claim 4, wherein; symmetry fixed mounting has two connection slider (17) on the outer wall of twist ring (8), connection slider (17) are T shape structure, have seted up spout (16) with the position that connection slider (17) correspond on the inner wall of go-between (5), the shape and the connection slider (17) phase-match of spout (16), and connection slider (17) movable mounting are in spout (16).