CN217177806U

CN217177806U - Connecting device for ventilating duct

Info

Publication number: CN217177806U
Application number: CN202221038312.8U
Authority: CN
Inventors: 刘盛安; 吴尚海; 张兴国
Original assignee: Guizhou Tengxiang Ventilation Equipment Installation Co ltd
Current assignee: Guizhou Tengxiang Ventilation Equipment Installation Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-12
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to an air pipe installation device technical field specifically discloses an air pipe connecting device, it includes outer tube and inner tube, the inner tube passes through the fixed central point department of settling in the outer tube of support, inner tube mouth of pipe both ends diameter is one big or small, inner tube mouth of pipe end is equipped with the turn-ups that extends to the outer tube, the outer inside pipe wall is lived to the turn-ups butt, the outer tube outside is equipped with flexible adjustment mechanism, flexible adjustment mechanism runs through the outer tube and extends into in the outer tube with arc clamp plate fixed connection, the arc clamp plate butt is on air pipe. The connecting device can be simultaneously adapted and connected with ventilation pipelines with different diameters, the operation of the installation process is simple, the installation efficiency is high, and the workload of operators is reduced.

Description

Connecting device for ventilating duct

Technical Field

The utility model relates to an air pipe installation device technical field, concretely relates to air pipe connecting device.

Background

The ventilating duct is widely applied to various places in production and life, has various types and different diameters, exists in a segmented mode, and can meet the use requirement only by being connected. The existing ventilation pipeline connecting device can only be connected with ventilation pipelines with the same diameter, the ventilation pipelines with different diameters can be connected and spliced by different connecting devices to be installed, and the ventilation pipelines with different diameters can not be quickly adapted, so that the installation process is complex in operation, and the workload of operators is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, it is easy and simple to handle, simultaneously can the different air pipe connecting device of adapter coupling pipeline diameter.

In order to achieve the purpose, the technical scheme is as follows:

the utility model provides an air pipe connecting device, includes outer tube and inner tube, the inner tube passes through the fixed central point department of settling in the outer tube of support, and the one big or little of inner tube mouth of pipe both ends diameter, and inner tube mouth of pipe both ends are equipped with the turn-ups that extends to the outer tube, and the outer inside pipe wall is lived to the turn-ups butt, and the outer tube outside is equipped with flexible adjustment mechanism, and flexible adjustment mechanism runs through the outer tube and extends into in the outer tube with arc clamp plate fixed connection, arc clamp plate butt on air pipe.

The scheme has the following principle and advantages: the great air pipe of diameter and the less air pipe of diameter that will need to connect insert in the outer tube respectively with the turn-ups butt of the great one end of inner tube mouth of pipe diameter and the less one end of diameter, adjust flexible adjustment mechanism and make arc clamp plate butt in the air pipe outside, make air pipe fix in the outer tube and be in the same place with inner tube coupling, this connecting device can the adaptation simultaneously and connect the different air pipe of diameter, the installation easy operation, the installation effectiveness is high, reduce the work load of operator.

Further, flexible adjustment mechanism includes frame, mount, and the mount is fixed in the outer tube outside, and the frame slides and settles in the mount and extend the mount, and the one end that the frame extends the mount runs through the outer tube and extends into in the outer tube with arc clamp plate fixed connection, is equipped with the rack in the frame, has seted up the opening in the middle of the mount, opening part fixedly connected with mounting bracket, and sliding connection has the disc on the mounting bracket, and the disc inboard is equipped with the archimedes spiral muscle with rack toothing, disc outside central fixedly connected with crank, disc one end fixed connection handle is kept away from to the crank. The crank is driven to rotate by the stirring handle, the disc is driven to rotate by the rotation of the crank, the Archimedes spiral rib on the inner side of the disc rotates to be matched with the rack to drive the rack to move up and down, and therefore the arc-shaped pressing plate fixedly connected with the rack is adjusted to adapt to ventilation pipes with different diameters.

Furthermore, the mounting rack is fixedly sleeved on the fixing frame. The mounting rack fixed on the fixing frame can stably support the disc to run.

Further, the bracket is welded between the inner pipe and the outer pipe. The support can be with the stable support of inner tube in the outer tube.

Furthermore, an anti-slip mat is fixedly arranged on one side, away from the rack, of the arc-shaped pressing plate. The slipmat can increase the frictional force with between the air pipe, stably support the air pipe in the outer tube.

Further, a sealing layer is arranged on the flanging. The sealing layer can enhance the sealing performance between the flanging and the ventilation pipeline.

Drawings

Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2 is a schematic exploded view of the telescoping adjustment mechanism;

FIG. 3 is a schematic view of an arc-shaped pressing plate;

fig. 4 is a schematic view of the inner side structure of the disc.

Detailed Description

The following is further detailed by way of specific embodiments: the air duct comprises an outer pipe 1, an inner pipe 2, a bracket 3, a flanging 4, a sealing layer 5, a telescopic adjusting mechanism 6, a frame 61, a rack 611, a fixing frame 62, an arc-shaped pressing plate 63, an anti-skid pad 631, a mounting frame 64, a clamping block 641, a protruding shaft 642, a disc 65, an Archimedes spiral rib 651, a crank 652, a handle 653 and an air duct A.

Reference numerals in the drawings of the specification include:

the embodiment is basically as shown in the attached figures 1, 2, 3 and 4:

the utility model provides a ventilation pipe connecting device, as shown in fig. 1, includes outer tube 1 and inner tube 2, and inner tube 2 passes through support 3 fixed arrangement in outer tube 1 for the horizontal axis of inner tube 2 coincides with the horizontal axis of outer tube 1, and support 3 welds between inner tube 2 and outer tube 1, and the vertical axis of support 3 coincides with the vertical axis of outer tube 1. The diameters of two ends of the pipe orifice of the inner pipe 2 are one large and one small, two ends of the pipe orifice of the inner pipe 2 are provided with flanges 4 extending towards the outer pipe 1, the flanges 4 are provided with sealing layers 5, the sealing layers 5 are made of rubber, and the flanges 4 abut against the inner wall of the outer pipe 1. The outer tube 1 outside is equipped with four flexible adjustment mechanism 6 respectively, as shown in fig. 2, flexible adjustment mechanism 6 includes frame 61, mount 62, and mount 62 fixes in the outer tube 1 outside, and frame 61 slides and settles in mount 62 and extend mount 62, and the one end that frame 61 extends mount 62 runs through outer tube 1 and extends into in the outer tube 1 with arc clamp plate 63 fixed connection, as shown in fig. 3, arc clamp plate 63 keeps away from the fixed slipmat 631 that is equipped with in frame 61 one side. Rack 611 is arranged on one side of frame 61, an opening is arranged in the middle of fixing frame 62, a mounting frame 64 is fixedly connected to the opening, mounting frame 64 is fixedly sleeved on fixing frame 62, a block 641 is arranged on the upper side of mounting frame 64, a protruding shaft 642 is arranged on the lower side of mounting frame 641, block 641 is slidably clamped on the inner side of disc 65, protruding shaft 642 receives disc 65, as shown in fig. 4, archimedes spiral rib 651 meshed with rack 611 is arranged on the inner side of disc 65, crank 652 is fixedly connected to the center of the outer side of disc 65, and handle 653 is fixedly connected to one end of crank 652 far away from disc 65. Through Archimedes spiral muscle 651 and rack 611 cooperation regulation frame 61 and reciprocate, frame 61 removes and can adjust solid arc clamp plate 63 adaptation butt and fixed diameter different air pipe A.

The specific implementation process is as follows:

inserting the ventilating duct A with larger diameter to be connected into the outer pipe 1 from the end with larger diameter of the pipe orifice of the inner pipe 2 and abutting against the flange 4, so that the horizontal central axis of the ventilating duct A coincides with the horizontal central axis of the outer pipe 1, stirring the handle 653 of the telescopic adjusting mechanism 6 positioned at the lower side of the outer pipe 1, rotating the disc 65 to drive the rack 61 to extend upwards, extending the arc-shaped pressing plate 63 upwards to abut against the ventilating duct A, stirring the handle 653 of the telescopic adjusting mechanism 6 positioned at the upper side of the outer pipe 1, rotating the disc 65 to drive the rack 61 to extend downwards, extending the arc-shaped pressing plate 63 downwards to abut against the ventilating duct A, matching the arc-shaped pressing plates 63 at the upper side and the lower side of the outer pipe 1 to stabilize the ventilating duct A with larger diameter in the outer pipe 1 and abut against the flange 4 of the inner pipe 2, so that the ventilating duct A is communicated with the inner pipe 2, inserting the ventilating duct A with smaller diameter into the outer pipe 1 from the end with smaller diameter of the pipe orifice of the inner pipe 2 and abutting against the flange 4, by repeating the above operation, the two ventilation ducts a having different diameters can be connected to the inner pipe 2.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a ventilation pipe connecting device, includes outer tube and inner tube, its characterized in that: the inner tube passes through the fixed central point department of settling in the outer tube of support, and the pipe orifice both ends diameter of inner tube is big one by one little, and the pipe orifice end of inner tube is equipped with the turn-ups that extends to the outer tube, and the outer tube inner wall is lived to the turn-ups butt, and the outer tube outside is equipped with flexible adjustment mechanism, and flexible adjustment mechanism runs through the outer tube and extends into in the outer tube with arc clamp plate fixed connection, arc clamp plate butt on air pipe.

2. A ventilation duct connecting device according to claim 1, characterized in that: the telescopic adjusting mechanism comprises a frame and a fixing frame, the fixing frame is fixed to the outer pipe, the frame is slidably arranged in the fixing frame and extends out of the fixing frame, one end, extending out of the fixing frame, of the frame penetrates through the outer pipe and extends into the outer pipe to be fixedly connected with an arc-shaped pressing plate, a rack is arranged on the frame, an opening is formed in the middle of the fixing frame, a mounting frame is fixedly connected with an opening, a disc is slidably connected onto the mounting frame, an Archimedes spiral rib meshed with the rack is arranged on the inner side of the disc, a crank is fixedly connected to the center of the outer side of the disc, and a handle fixedly connected with one end of the disc is far away from the crank.

3. A ventilation duct connecting device according to claim 2, characterized in that: the mounting rack is fixedly sleeved on the fixing rack.

4. A ventilation duct connecting device according to claim 1, characterized in that: the bracket is welded between the inner pipe and the outer pipe.

5. A ventilation duct connecting device according to claim 1 or 2, characterized in that: and an anti-slip pad is fixedly arranged on one side, far away from the rack, of the arc-shaped pressing plate.

6. A ventilation duct connecting device according to claim 1, characterized in that: and a sealing layer is arranged on the flanging.