CN210770670U - Cigarette machine aluminum foil pipe fixing device - Google Patents

Abstract

The utility model relates to a cigarette machine aluminium foil pipe fixing device. The fixing device is used for compressing and then constraining the excessive section of the flexible hose together, the two ends of the excessive section of the flexible hose are respectively sleeved with the fixing device, the fixing device comprises a combination part, a backstop part and a butt joint part, the combination part is combined with the outer wall part of the flexible hose, the backstop part is formed on an extension path of the excessive section after compression, and the extension of the excessive section is limited; the butt joint part is used for matching with the combining part to complete the combination of the telescopic hose. By adopting the technical scheme, the smoke exhaust pipe of the smoke exhaust ventilator can be installed without cutting the aluminum foil pipe. The butt joint part is not cut, the problem that the sealing performance of the butt joint part of the cigarette machine and the aluminum foil pipe is poor due to the deformation of the aluminum foil pipe caused by cutting is not needed to be considered, and the phenomena of smoke leakage and oil leakage do not exist any more.

Description

Cigarette machine aluminum foil pipe fixing device

Technical Field

The utility model relates to a fixing device specifically is a cigarette machine aluminium foil pipe fixing device.

Background

When the cigarette machine in the market is installed, the two ends of the aluminum foil flexible hose are respectively butted with the public flue and the cigarette machine, and the common processing mode is as follows: carrying a long aluminum foil flexible hose; and measuring according to the actual construction position, reserving the aluminum foil pipes with the length required by the stage, and cutting the excessive aluminum foil pipes. And the joint with the cigarette making machine is usually only wound by using adhesive tapes. The processing mode has the problems of poor tightness of the butt joint position, smoke leakage and oil leakage, and poor butt joint effect and inconvenient installation caused by easy deformation of an aluminum foil at the cutting position.

SUMMERY OF THE UTILITY MODEL

The problems that the joint of the cut pipeline and the cigarette machine is poor in tightness, smoke leaks and oil seeps, and aluminum foil at the cutting position is easy to deform, so that the butt joint effect is poor and the installation is inconvenient are solved.

The utility model provides a cigarette machine aluminium foil pipe fixing device, its technical scheme is:

a kind of cigarette machine aluminum foil pipe fixing device, the fixing device is used for constraining together after compressing the excessive section of the flexible hose, set up the fixing device separately in both ends of the excessive section of the flexible hose, the fixing device includes the joint part, stopping part and butt joint part, the joint part should combine with flexible hose outer wall part, the stopping part forms on the excessive section extension route after compressing, and limit the excessive section extension; the butt joint part is used for matching with the combining part to complete the combination of the telescopic hose.

Furthermore, the fixing device is provided with two or more butt joint parts, the fixing device is divided into a plurality of sections of sub-fixing devices which are in butt joint, and the head and the tail of each section of sub-fixing device are respectively provided with a male buckle and a female buckle.

Furthermore, each section of the sub-fixing devices are arc-shaped, and the joint parts are formed by connecting the sub-fixing devices end to form a closed ring.

Furthermore, the female buckle is of a tubular structure with an arc-shaped axis, and a through hole is formed in the side wall of the female buckle; the male buckle is of a columnar structure with an arc-shaped axis, a boss matched with the through hole extends in the radial direction of the outer wall of the male buckle, and a deformation gap is cut on the male buckle; when the male buckle is inserted into the female buckle, the deformation gap is a space for elastic deformation of the radial extension position of the boss.

Furthermore, two through holes which are symmetrical about the center of the figure center of the female buckle are formed in the side wall of the female buckle; the boss figure that the pin thread outer wall was equipped with is two, and the deformation clearance is along the groove that the cutting formed between two bosses of pin thread axis direction.

Furthermore, the distance between the two groove walls of the deformation gap is Y, the radial height of the boss is h, and Y is more than or equal to 2 h.

Further, the inner diameter of the female buckle is D, and the inner diameter of the circle where the outer edge of the boss is located is D₁The external diameter of the male buckle is D₂，

Satisfies D₁>D ≥ D₂。

Further, the retaining portion is formed on an edge of the joint portion extending radially outward.

Furthermore, the telescopic hose is an aluminum foil pipe, the stopping part comprises round holes formed in each section of the fixing device, and a binding belt for locking the fixing devices at the two ends of the excessive section of the aluminum foil pipe by penetrating and winding the round holes.

Further, the utility model provides an aluminium foil pipe that has fixing device, this fixing device are used for retraining the excessive section compression of aluminium foil pipe together, and the both ends of aluminium foil pipe dock with public flue mouth and lampblack absorber check valve respectively.

Utilize the utility model discloses, can prevent that the aluminium foil pipe from being tailor the deformation because do not tailor the deformation, also can not be because the poor oil leakage that leads to of butt joint position seal during the aluminium foil pipe butt joint.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments of the invention with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of example 1;

FIG. 2 is a schematic view of the fixing device of the aluminum foil tube of the cigarette making machine of embodiment 2;

FIG. 3 is a schematic view of the pin of embodiment 2;

FIG. 4 is a schematic view of the box of embodiment 2;

FIG. 5 is a schematic view of the parameters of the aluminum foil tube fixing device of the cigarette making machine of example 2;

FIG. 6 is an exploded view of the structure of example 2;

fig. 7 is a schematic view showing the aluminum foil pipe in the butted state of the pipes in embodiment 3.

Reference numerals: the range hood comprises a telescopic hose 1, an excessive section 12, a fixing device 2, a combining part 21, a stopping part 22, a butt joint part 23, a sub-fixing device 3, a male buckle 31, a boss 311, a deformation gap 312, a female buckle 32, a through hole 321, a round hole 4, a binding band 5 and a range hood check valve 6.

Detailed Description

Example 1

In order to make the technical problem, technical solution and beneficial effect solved by the present invention more clearly understood, the following description is combined with the accompanying drawings and embodiments, and it is right that the present invention further details the expense. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the technical solution of the embodiment provides a fixing device for an aluminum foil tube of a cigarette making machine, the fixing device is used for compressing and constraining an excessive section 12 of a flexible hose 1, two ends of the excessive section of the flexible hose are respectively sleeved with a fixing device 2, the fixing device 2 comprises a combining part 21, a backstop part 22 and a butt joint part 23, the combining part 21 is combined with an outer wall part of the flexible hose, the backstop part 22 is formed on an extending path of the compressed excessive section 12 and limits the extension of the excessive section 12; the abutting portion 23 is used for completing the coupling of the extensible hose 1 with the coupling portion 21.

The aluminum foil flexible hose is directly cut in a common processing mode in the market, the connector is irregular and easy to deform, and the mode that the adhesive tape is wound on the butt joint is very undesirable. The technical scheme avoids the step of cutting: the operation steps are as follows

During construction, the aluminum foil flexible hose is stretched to the required length;

compressing the excessive part, and then sleeving the fixing devices 2 on the parts at the two ends of the excessive section 12;

the distance between the two fixing devices 2 is locked by the retaining portion 22 to prevent the compressed excess segment 12 from being unfolded.

Example 2

The embodiment is improved on the basis of the embodiment 1.

Referring to fig. 2, 3 and 4, the fixing device 2 is provided with two or more abutting portions 23, the fixing device 2 is divided into a plurality of sections of sub-fixing devices 3 which are abutted, and each section of sub-fixing device 3 is provided with a male buckle 31 and a female buckle 32 at the head and the tail respectively.

The fixture 2 itself is segmented, and when the arc corresponding to the contour of the joint portion 21 of each segment of the sub-fixture 3 is a semicircle or a minor arc, for example, it is not necessary to consider the deformation of the fixture 2 when it is butted. For example, two semi-circles may be butted, or three 120 ° arcs may be butted. The arc length of each segment of the sub-fixing means 3 may be set differently. Each segment of the sub-fixing device 3 is not limited to a circular arc, and can be any shape and any form of butt joint, and the purpose is that the two ends of the compressed excess segment 12 of the telescopic hose 1 are combined with the two ends to form constraint, and then the stop part is used for preventing the extension of the hose.

Each section of the sub-fixing device 3 is arc-shaped, and the joint parts are closed rings formed by connecting the sub-fixing devices 3 end to end.

There are several segments of sub-fastening means 3 listed here in the form of closed loops connected end to end.

The female buckle 32 is a tubular structure with an arc-shaped axis, and a through hole 321 is formed in the side wall of the female buckle 32; the male buckle 31 is a columnar structure with an arc-shaped axis, a boss 311 matched with the through hole 321 extends radially on the outer wall of the male buckle 31, and a deformation gap 312 is cut on the male buckle 31; when the male snap 31 is inserted into the female snap 32, the deformation gap 312 leaves a space for the boss 311 to elastically deform at the radially extending position. The side wall of the female buckle 32 is provided with two through holes 321 which are symmetrical about the center of the centroid of the female buckle; the number of the bosses 311 provided on the outer wall of the pin 31 is two, and the deformation gap 312 is a groove formed by cutting between the two bosses 311 along the axial direction of the pin 31.

The circled position in fig. 2 is the butt-jointed position of the male buckle 31 and the female buckle 32, fig. 3 is the enlarged structure of the male buckle 31, and fig. 4 is the enlarged structure of the female buckle 32

Referring to fig. 5, the distance between the two groove walls of the deformation gap 312 is h, which is the radial height of the Y-shaped boss 311, and satisfies Y >2 h.

The inner diameter of the female buckle 32 is D, the inner diameter of the circle of the outer edge of the boss 311 is D1, the outer diameter of the male buckle is D2,

d1> D ≧ D2 is satisfied.

When the male snap 31 is inserted into the female snap 32, the boss 311 is pressed by the inner wall of the female snap 32 and moves to the deformation gap 312, and when the boss 311 moves to the through hole 321, the boss 311 resets. Regarding the design of the feeding angle, the shape tolerance and the like of the boss, reference can be made to structural design-structural design of plastic products. The structure of pin thread joint in box includes but not only limits in the boss to it can to realize that joint portion and flexible hose combine as the purpose.

The retaining portion 22 is formed on an edge of the coupling portion 21 extending radially outward.

Referring to fig. 6, the flexible hose 1 is an aluminum foil pipe, the stopping portion 22 includes a circular hole 4 formed on each of the sub-fixing devices 3, and a tie 5 for fastening the fixing devices 2 at the two ends of the excess section 12 of the aluminum foil pipe by passing through the circular hole 4. The binding belt 5 passes through the round holes 4 on the fixing devices 2 at the two ends of the excessive section 12, and the binding belt is tightened to realize locking and stopping.

In addition to the above-mentioned exemplary tie forms, any structure capable of achieving the retaining function, such as bolts, wires, etc., may be adopted.

Example 3

This embodiment provides an aluminum foil pipe applied to the previous embodiment, and referring to fig. 7, the fixing device 2 is used to compress and constrain the excessive section 12 of the aluminum foil pipe together, and the two ends of the aluminum foil pipe are respectively butted with the public flue port and the check valve 6 of the range hood. Regarding the range hood check valve 6, see CN201621027419.7 here.

By adopting the technical scheme, the smoke exhaust pipe of the smoke exhaust ventilator can be installed without cutting the aluminum foil pipe. The butt joint part is not cut, the problem that the sealing performance of the butt joint part of the cigarette machine and the aluminum foil pipe is poor due to the deformation of the aluminum foil pipe caused by cutting is not needed to be considered, and the phenomena of smoke leakage and oil leakage do not exist any more.

Although the present invention has been described in detail with reference to the preferred embodiments thereof, it is to be understood that the present invention is not limited to the above-described embodiments, but various modifications and changes can be made by those skilled in the art without departing from the spirit of the present invention, and these modifications and changes are intended to fall within the scope defined by the appended claims and their equivalents.

Claims (10)

1. A fixing device for an aluminum foil pipe of a cigarette machine is characterized in that the fixing device is used for compressing and then restraining an excessive section of a telescopic hose together, the fixing device is sleeved at each of two ends of the excessive section of the telescopic hose and comprises a combining part, a backstop part and a butt joint part, the combining part is combined with the outer wall part of the telescopic hose, and the backstop part is formed on an extending path of the excessive section after compression and limits the extension of the excessive section; the butt joint part is used for matching with the combining part to complete the combination of the telescopic hose.

2. The fixing device for the aluminum foil tubes of the cigarette machine as claimed in claim 1, wherein the fixing device is provided with two or more butt joint parts, the fixing device is divided into a plurality of sections of sub-fixing devices which are butted, and each section of the sub-fixing device is provided with a male buckle and a female buckle at the head and the tail respectively.

3. The aluminum foil tube fixing device of the cigarette making machine as claimed in claim 2, wherein each segment of the sub-fixing device is in the shape of a circular arc, and the joint parts are formed by connecting the sub-fixing devices end to form a closed ring.

4. The fixing device for the aluminum foil tubes of the cigarette making machine as claimed in claim 3, wherein the female buckle is a tubular structure with an arc-shaped axis, and a through hole is formed in the side wall of the female buckle; the male buckle is of a cylindrical structure with an arc-shaped axis, a boss matched with the through hole extends in the radial direction of the outer wall of the male buckle, and a deformation gap is cut on the male buckle; when the male buckle is inserted into the female buckle, the deformation gap is the space for elastic deformation is reserved at the radial extension position of the boss.

5. The fixing device for the aluminum foil tubes of the cigarette making machine as claimed in claim 4, wherein the side wall of the female buckle is provided with two through holes which are centrosymmetric with respect to the centroid of the female buckle; the boss figure that the pin thread outer wall was equipped with is two, the deformation clearance is followed pin thread axis direction is in two the groove that the cutting formed between the boss.

6. The fixing device for the aluminum foil tubes of the cigarette making machine as claimed in claim 5, wherein the distance between the two groove walls of the deformation gap is Y, the radial height of the boss is h, and Y is more than 2 h.

7. The aluminum foil tube fixing device of the cigarette making machine as claimed in claim 5, wherein the female button has an inner diameter D, the outer edge of the boss has an inner diameter D1, the male button has an outer diameter D2,

d1> D ≧ D2 is satisfied.

8. The aluminum foil tube fixing device of a cigarette machine as claimed in claim 6 or 7, wherein the backstop is formed on a radially outwardly extending edge of the joint.

9. The fixing device for the aluminum foil tubes of the cigarette machine as claimed in claim 8, wherein the flexible tube is an aluminum foil tube, the stopping portion comprises a round hole formed on each section of the sub-fixing device, and a binding tape for locking the fixing device at two ends of the excessive section of the aluminum foil tube by penetrating around the round hole.

10. An aluminum foil pipe with a fixing device, wherein the fixing device is arranged as claimed in any one of claims 1 to 9, the fixing device is used for restraining the excessive section of the aluminum foil pipe together after being compressed, and two ends of the aluminum foil pipe are respectively butted with a common smoke channel opening and a check valve of a range hood.

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