CN216689609U - Heating pipe sealing structure of integrated inner container - Google Patents

Abstract

The utility model discloses a heating pipe sealing structure of an integrated liner, wherein a shell (1.1) is provided with a through hole (1.1.1) for a straight pipe section (1.2.2) to pass through, the heating pipe (1.2) sealing structure comprises an assembly hole (2.1), an insert (2.2), a sealing element (2.3) and a fastening piece (2.4), the assembly hole (2.1) is arranged at the tail end of the through hole (1.1.1), the assembly hole (2.1) comprises a sealing hole section (2.1.1) and a fastening hole section (2.1.2), the insert (2.2) is embedded in the fastening hole section (2.1.2), the sealing element (2.3) is arranged in the sealing hole section (2.1.1), and the fastening piece (2.3) is expanded to seal a gap between the straight pipe section (1.2.2) and the through hole (1.1.1) after being connected with the insert (2.2). The utility model provides a heating pipe sealing structure of an integrated inner container, which is reasonable in structural design and good in sealing effect.

Description

Heating pipe sealing structure of integrated inner container

Technical Field

The utility model relates to the technical field of water heating devices, in particular to a heating pipe sealing structure of an integrated liner.

Background

Instant heating type electric heating faucet can heat play water fast, because it is convenient to get hot water, and the use has been more and more common, sets up the inner bag usually in tap, and the inner bag includes upper cover, heating main part, lower, sets up the inlet manifold in the lower and intakes, finally flows from the outlet pipe of upper cover department after heating the hot water cavity heating through in the heating main part, still sets up the main control subassembly in the lower for control the power of heating, and the parallel connection power supply.

Heating the intracavity and setting up the heating pipe, the casing assembly of heating pipe and inner bag, the heating pipe is including being the spiral section of heliciform coiling and inserting the straight tube section of establishing in the spiral section, spiral section and casing sealing connection assembly are comparatively conventional, and integral type inner bag in this application is in order to set up parallel threading pipe in straight tube section one side, need be long with the straight tube section in order to avoid interfering, lead to the sealed comparatively difficult of straight tube section and casing, the space design needs to be optimized, sealed effect need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heating pipe sealing structure of an integrated inner container, which is reasonable in structural design and good in sealing effect.

The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a heating pipe seal structure of integral type inner bag, the inner bag includes the heating main part, the heating main part includes casing and the heating pipe of dress in the casing, the heating pipe is including the spiral section that is the heliciform coiling and insert the straight tube section of establishing in the spiral section, the casing is equipped with the through-hole that is used for supplying the straight tube section to pass, heating pipe seal structure includes pilot hole, inserts, sealing member and fastener, the pilot hole sets up the end at the through-hole, the pilot hole includes sealed hole section, fastening hole section, the inserts inlays to be established in the fastening hole section, the sealing member sets up in sealed hole section, the fastener expands tightly with the sealing member after being connected with the inserts in order to seal up the clearance with straight tube section and through-hole.

Compared with the prior art, the utility model has the advantages that: set up the through-hole on the casing, the straight tube section of the heating pipe of being convenient for passes through, sets up the pilot hole at the through-hole end, and the sealed hole section of pilot hole is used for supplying the sealing member to place, and the inserts inlays the outer wall of establishing at the fastening hole section, and the fastener is connected with the inserts and the fastener extrudes the sealing member for the clearance of sealed straight tube section and through-hole after the sealing member expands tightly, structural design is reasonable, and is sealed effectual.

Preferably, the inner wall of the insert is provided with internal threads, the outer wall of the fastener is provided with external threads, and the insert is in threaded fit with the fastener.

Preferably, the fastener comprises a pressing section and a threaded section, the external threads are arranged on the outer wall of the threaded section, the diameter of the pressing section is smaller than the aperture of the sealing hole section, and the pressing section extends into the sealing hole section and then extrudes and deforms the sealing element to expand the sealing element tightly.

Preferably, the end face of the fastener is provided with a straight groove.

Preferably, the sealing element comprises a first sealing ring, a first gasket, a second sealing ring and a second gasket which are arranged from top to bottom in sequence.

Drawings

FIG. 1 is a schematic cross-sectional view of a straight pipe section of a heating pipe of an integrated inner container according to the present invention.

Shown in the figure: 1. heating the body; 1.1, a shell; 1.1.1, a through hole; 1.2, heating a pipe; 1.2.1, a spiral section; 1.2.2, a straight pipe section; 2.1, assembling holes; 2.1.1, sealing the hole section; 2.1.2, fastening hole sections; 2.2, embedding; 2.3, sealing elements; 2.3.1, a first sealing ring; 2.3.2, a first gasket; 2.3.3, a second sealing ring; 2.3.4, a second gasket; 2.4, fastening pieces; 2.4.1, a compaction section; 2.4.2, a thread section; 2.4.3, a straight slot.

Detailed Description

Embodiments of the present invention are further described below with reference to the accompanying drawings.

As shown in figure 1 of the drawings, in which,

a heating pipe 1.2 sealing structure of an integrated liner comprises a heating body 1, the heating body 1 comprises a shell 1.1 and a heating pipe 1.2 installed in the shell 1.1, the heating pipe 1.2 comprises a spiral section 1.2.1 wound in a spiral shape and a straight pipe section 1.2.2 inserted in the spiral section 1.2.1, the shell 1.1 is provided with a through hole 1.1.1 for the straight pipe section 1.2.2 to pass through, the heating pipe 1.2 sealing structure comprises an assembling hole 2.1, an insert 2.2, a sealing element 2.3 and a fastening element 2.4, the assembling hole 2.1 is arranged at the tail end of the through hole 1.1.1, the assembling hole 2.1 comprises a sealing hole section 2.1.1 and a fastening hole section 2.1.2, the insert 2.2 is embedded in the fastening hole section 2.1.2, the sealing element 2.3 is arranged in the sealing hole section 2.1.1.1, and the fastening element 2.2 is connected with the straight pipe section to expand the insert 2.3 to tightly to form a gap between the straight pipe section 1.1.1 and the through hole 1.1.1.

Wherein, the inner wall of inserts 2.2 is equipped with the internal thread, and the outer wall of fastener 2.4 is equipped with the external screw thread, inserts 2.2 and fastener 2.4 screw-thread fit, easy dismounting, inserts 2.2 can mould plastics with casing 1.1 integral type, and is fixed firm reliable.

Wherein, fastener 2.4 is including compressing tightly section 2.4.1 and screw thread section 2.4.2, the external screw thread setting is at the outer wall of screw thread section 2.4.2, the diameter that compresses tightly section 2.4.1 is less than the aperture of sealed hole section 2.1.1, compress tightly section 2.4.1 and stretch into behind the sealed hole section 2.1.1 with sealing member 2.3 extrusion deformation in order to expand sealing member 2.3 tightly, the outer wall of the section 2.4.1 that compresses tightly of fastener 2.4 is the straight surface, the upper end that compresses tightly section 2.4.1 can be with sealing member 2.3 department pressure application, can guarantee the sealing performance after the sealing member 2.3 expands tightly when being convenient for the assembly.

Wherein, the terminal surface of fastener 2.4 is equipped with a straight line groove 2.4.3, and a straight line groove 2.4.3 is convenient for screwing of fastener 2.4, can set up telescopic spanner, and straight tube section 1.2.2 is lived in the main part of spanner behind the cover and is cooperated with a straight line groove 2.4.3, rotates the spanner in order to screw in fastener 2.4 inserts 2.2.

Wherein, sealing member 2.3 is including the first sealing washer 2.3.1, first gasket 2.3.2, second sealing washer 2.3.3, the second gasket 2.3.4 that from top to bottom sets gradually, and the gasket can cut off first sealing washer 2.3.1 and second sealing washer 2.3.3, forms two sealed chambeies, and first sealing washer 2.3.1 and second sealing washer 2.3.3 are the tight in respective sealed intracavity deformation inflation, have improved sealed effect.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the utility model as defined by the independent claims are intended to be embraced therein.

Claims (5)

1. The utility model provides a heating pipe seal structure of integral type inner bag, the inner bag is including heating main part (1), heating main part (1) includes casing (1.1) and heating pipe (1.2) of dress in casing (1.1), heating pipe (1.2) including spiral section (1.2.1) that is the heliciform coiling and insert straight tube section (1.2.2) of establishing in spiral section (1.2.1), its characterized in that: casing (1.1) is equipped with through-hole (1.1.1) that is used for supplying straight tube section (1.2.2) to pass, heating pipe (1.2) seal structure includes pilot hole (2.1), inserts (2.2), sealing member (2.3) and fastener (2.4), pilot hole (2.1) set up the end at through-hole (1.1.1), pilot hole (2.1) include sealed hole section (2.1.1), fastening hole section (2.1.2), inserts (2.2) are inlayed and are established in fastening hole section (2.1.2), sealing member (2.3) set up in sealed hole section (2.1.1), fastener (2.4) are connected the back with inserts (2.2) and are bloated tight in order to seal up the clearance with straight tube section (1.2.2) and through-hole (1.1.1.1.1).

2. The heating pipe sealing structure of the integrated inner container according to claim 1, characterized in that: the inner wall of the insert (2.2) is provided with internal threads, the outer wall of the fastener (2.4) is provided with external threads, and the insert (2.2) is in threaded fit with the fastener (2.4).

3. The heating pipe sealing structure of the integrated inner container as claimed in claim 2, wherein: fastener (2.4) are including compressing tightly section (2.4.1) and screw thread section (2.4.2), the external screw thread sets up the outer wall at screw thread section (2.4.2), the diameter that compresses tightly section (2.4.1) is less than the aperture of sealed hole section (2.1.1), compresses tightly section (2.4.1) and stretches into behind sealed hole section (2.1.1) with sealing member (2.3) extrusion deformation in order to expand tightly sealing member (2.3).

4. The heating pipe sealing structure of the integrated inner container according to claim 3, characterized in that: the end face of the fastener (2.4) is provided with a straight groove (2.4.3).

5. The heating pipe sealing structure of the integrated inner container according to claim 1, characterized in that: sealing member (2.3) are including first sealing washer (2.3.1), first gasket (2.3.2), second sealing washer (2.3.3), second gasket (2.3.4) that from top to bottom sets gradually.

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