CN214579440U - Heating ventilation air conditioner connecting device - Google Patents
Heating ventilation air conditioner connecting device Download PDFInfo
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- CN214579440U CN214579440U CN202120490799.2U CN202120490799U CN214579440U CN 214579440 U CN214579440 U CN 214579440U CN 202120490799 U CN202120490799 U CN 202120490799U CN 214579440 U CN214579440 U CN 214579440U
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Abstract
The utility model discloses a heating ventilation air-conditioning connecting device, which comprises a first rubber joint, a second rubber joint, a locking piece, a fixing piece, a sealing rubber ring and a wedge-shaped ring which are coaxially arranged; the first rubber joint and the second rubber joint are respectively provided with a butt large end and a back small end; the outer wall of the big end, where the first rubber joint and the second rubber joint are abutted, is in threaded connection with the fixing piece; the big end of the first rubber joint is coaxially provided with a stepped groove and an annular groove; a raised ring is arranged at the big end of the second rubber joint; the wedge ring is coaxially arranged in the stepped groove, and the sealing rubber ring is coaxially arranged on the inner side of the wedge ring. The utility model has the advantages that: because the sealing rubber ring is in the ladder groove and does not contact with the outside, the aging speed of the sealing rubber ring is low, the sealing rubber ring can be always in a state of being tightly attached to the heating ventilation pipe through extrusion deformation of the wedge-shaped ring, and the sealing performance is better.
Description
Technical Field
The utility model belongs to warm logical air conditioning system auxiliary connection field especially relates to a warm logical air conditioner connecting device.
Background
The warm siphunculus of warm logical air conditioner usually is formed by connecting through the connecting piece by many bodys, and current warm siphunculus connecting piece includes the ring flange and the sealing rubber circle of two looks butt usually, and two ring flanges are connected to a plurality of bolts of rethread, and the sealing rubber circle is in between two ring flanges. The connecting piece has poor connection sealing performance and is not convenient to assemble and disassemble; and the outer wall of the sealing rubber ring is in contact with the outside, so that the sealing rubber ring is easy to age and break, and when the crack extends to the inner wall of the sealing rubber ring, the sealing performance of the sealing rubber ring is further reduced. Therefore, a heating ventilation air conditioner connecting piece which is more convenient to install and better in sealing performance is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current warm logical air conditioner connecting piece leakproofness relatively poor, the inconvenient defect of installation provides a simple structure, easy dismounting, sealed effectual warm logical air conditioner connecting device.
In order to achieve the purpose, the utility model relates to a heating ventilation air conditioner connecting device, which comprises a first rubber joint, a second rubber joint, a locking piece, a fixing piece, a sealing rubber ring and a wedge-shaped ring which are coaxially arranged; the inner diameters of the first rubber joint, the second rubber joint and the sealing rubber ring are the same, and the first rubber joint and the second rubber joint are respectively provided with a big end and a small end which are abutted with each other and are opposite to each other; the outer wall of the big end, against which the first rubber joint and the second rubber joint abut, is in threaded connection with the fixing piece; the outer walls from the small end to the large end of the first rubber joint and the second rubber joint are respectively provided with a variable-diameter thread section with gradually increasing outer diameter; the number of the locking pieces is at least two, and the locking pieces are respectively in threaded connection with the variable-diameter threaded sections of the first rubber joint and the second rubber joint; the big end of the first rubber joint is coaxially provided with a stepped groove and an annular groove; the diameter of the annular groove is larger than that of the stepped groove; a convex ring used for being inserted into the annular groove is coaxially arranged at the large end of the second rubber joint; the wedge-shaped ring is coaxially arranged in the stepped groove, and the axial length of the wedge-shaped ring is equal to the depth of the stepped groove; the sealing rubber ring is coaxially arranged on the inner side of the wedge-shaped ring.
Further, the axial length of the sealing rubber ring is equal to the depth of the stepped groove; the sum of the radial thicknesses of the sealing rubber ring and the wedge-shaped ring is equal to the radial width of the stepped groove.
Further, the outer diameter of the wedge-shaped ring is gradually reduced from the large head end of the first rubber joint to the small head end of the first rubber joint.
Further, the axial length of the raised ring is equal to the depth of the annular groove.
Further, the retaining member has four, the reducing thread section of first rubber joint with it has two axial end looks butts to thread fit respectively on the reducing thread section of second rubber joint the retaining member. Set up two looks butt complex retaining members on the reducing thread section on first rubber joint or the second rubber joint, not only can connect first rubber joint or second rubber joint better with warm logical union coupling fastening, but also can lock the retaining member, avoid the retaining member not hard up.
The utility model has the advantages that: the primary sealing connection of the two warm through pipes at the connection part can be realized through the sealing rubber ring, and the sealing rubber ring is positioned in the stepped groove and is not in contact with the outside, so that the aging speed of the sealing rubber ring is low, the sealing rubber ring can be always in a state of being tightly attached to the warm through pipes through the extrusion deformation of the wedge-shaped ring, and the sealing property is better; the locking piece is connected with the first rubber joint and the second rubber joint, so that the first rubber joint and the second rubber joint can be firmly fixed with the heating ventilation pipe, and the first rubber joint and the second rubber joint are hermetically connected with the outer wall of the heating ventilation pipe by utilizing the deformation characteristic of a rubber material; the first rubber joint and the second rubber joint are connected into a whole through the fixing piece, and the protrusion ring and the annular groove which are matched in a locking mode are further extruded and locked, so that the sealing performance is further improved.
Drawings
Fig. 1 is a schematic view of the structure of the heating ventilation air conditioner connecting device of the present invention.
Fig. 2 is a schematic sectional structure view of fig. 1.
Fig. 3 is an exploded view of fig. 2.
Fig. 4 is a schematic structural diagram of fig. 2 in a use state.
In the figure, a first rubber joint 1, a second rubber joint 2, a locking member 3, a fixing member 4, a sealing rubber ring 5, a wedge-shaped ring 6, a convex ring 7, a stepped groove 8, an annular groove 9 and a heating and ventilating pipe 10 are arranged.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
The heating ventilation air-conditioning connecting device shown in fig. 1 to 4 comprises a first rubber joint 1, a second rubber joint 2, a locking member 3, a fixing member 4, a sealing rubber ring 5 and a wedge-shaped ring 6 which are coaxially arranged; the inner diameters of the first rubber joint 1, the second rubber joint 2 and the sealing rubber ring 5 are the same, and the first rubber joint 1 and the second rubber joint 2 are respectively provided with a big end and a small end which are mutually opposite and are abutted; the outer wall of the big end, where the first rubber joint 1 and the second rubber joint 2 abut against, is in threaded connection with the fixing piece 4; the outer walls from the small end to the large end of the first rubber joint 1 and the second rubber joint 2 are respectively provided with a variable-diameter thread section with gradually increasing outer diameter; at least two locking pieces 3 are respectively in threaded connection with the variable-diameter thread sections of the first rubber joint 1 and the second rubber joint 2; the big end of the first rubber joint 1 is coaxially provided with a stepped groove 8 and an annular groove 9; the diameter of the annular groove 9 is larger than that of the stepped groove 8; the big end of the second rubber joint 2 is coaxially provided with a convex ring 7 which is inserted into the annular groove 9; the wedge-shaped ring 6 is coaxially arranged in the stepped groove 8, and the axial length of the wedge-shaped ring 6 is equal to the depth of the stepped groove 8; the sealing rubber ring 5 is coaxially arranged on the inner side of the wedge-shaped ring 6. The axial length of the sealing rubber ring 5 is equal to the depth of the stepped groove 8; the sum of the radial thicknesses of the sealing rubber ring 5 and the wedge-shaped ring 6 is equal to the radial width of the stepped groove 8.
The outer diameter of the wedge ring 6 is gradually reduced from the large head end of the first rubber joint 1 to the small head end thereof. The axial length of the raised ring 7 is equal to the depth of the annular groove 9. Retaining member 3 can have four, and threaded fit has retaining member 3 of two axial end looks butts respectively on the reducing thread section of first rubber joint 1 and the reducing thread section of second rubber joint 2. Of course, only two retaining members 3 are illustrated in the drawings of this embodiment. Retaining member 3 and mounting 4 are all the circular circle that is equipped with the internal thread.
Referring to fig. 4, when two warm-up pipes 10 need to be connected, a contracting piece is sleeved on the outer wall of each of the first rubber joint 1 and the second rubber joint 2, and the contracting piece is arranged close to the small end. A fixing piece 4 is sleeved on the outer wall of the first rubber head or the second rubber head; and then the first rubber joint 1 and the second rubber joint 2 are respectively sleeved on the two warm-up pipes 10, and the big end of the first rubber joint 1 and the big end of the second rubber joint 2 are oppositely arranged.
And then the sealing rubber ring 5 is sleeved at the tail end of one of the warm through pipes 10, and the axial partial area of the sealing rubber ring 5 is suspended, in the embodiment, referring to fig. 4, the sealing rubber ring 5 is sleeved at the tail end of the warm through pipe 10 on the left side, and then the wedge-shaped ring 6 is sleeved on the sealing rubber ring 5, at this time, partial areas of the sealing rubber ring 5 and the wedge-shaped ring 6 in the axial direction are in a suspended state.
The first rubber joint 1 and the second rubber joint 2 are pushed to move oppositely, so that the bulge ring 7 is inserted into the annular groove 9, meanwhile, the wedge-shaped ring 6 is extruded and deformed, and the sealing rubber ring 5 is further extruded until the big end of the first rubber joint 1 is abutted against the big end of the second rubber joint 2; and (3) screwing and fixing the fixing piece 4 at the joint of the first rubber joint 1 and the second rubber joint 2. And then tightening the tightening parts on the first rubber joint 1 and the second rubber joint 2, and finally connecting the two warm-up pipes 10 in a sealing manner.
Because the outer wall that first rubber connects 1 and second rubber and connect 2 has reducing thread section, retaining member 3 is by the in-process that little head end was screwed up to big head end, and the thickness of first rubber joint 1 and second rubber joint 2 of being connected with retaining member 3 increases gradually, and first rubber joint 1 and second rubber joint 2 receive the increase of back deflection of extrusion, and the inner wall that first rubber joint 1 and second rubber joint 2 and warm outer wall contact of leading to pipe 10 are inseparabler.
The connecting device of this embodiment has three layers of sealed measures at least at the seam crossing of two warm siphunculus 10, is sealing rubber circle 5, wedge ring 6 and protruding ring 7 respectively, compares in traditional seal structure, and sealed effect is better, and sealing rubber circle 5 self is in the sealed environment, difficult ageing fracture, and life is longer.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that a person skilled in the art should also recognize that several modifications and decorations can be made without departing from the principle of the present invention, and the protection scope of the present invention is also covered.
Claims (5)
1. The utility model provides a heating ventilating air-conditioning connecting device which characterized in that: the device comprises a first rubber joint, a second rubber joint, a locking piece, a fixing piece, a sealing rubber ring and a wedge-shaped ring which are coaxially arranged; the inner diameters of the first rubber joint, the second rubber joint and the sealing rubber ring are the same, and the first rubber joint and the second rubber joint are respectively provided with a big end and a small end which are abutted with each other and are opposite to each other; the outer wall of the big end, against which the first rubber joint and the second rubber joint abut, is in threaded connection with the fixing piece; the outer walls from the small end to the large end of the first rubber joint and the second rubber joint are respectively provided with a variable-diameter thread section with gradually increasing outer diameter; the number of the locking pieces is at least two, and the locking pieces are respectively in threaded connection with the variable-diameter threaded sections of the first rubber joint and the second rubber joint; the big end of the first rubber joint is coaxially provided with a stepped groove and an annular groove; the diameter of the annular groove is larger than that of the stepped groove; a convex ring used for being inserted into the annular groove is coaxially arranged at the large end of the second rubber joint; the wedge-shaped ring is coaxially arranged in the stepped groove, and the axial length of the wedge-shaped ring is equal to the depth of the stepped groove; the sealing rubber ring is coaxially arranged on the inner side of the wedge-shaped ring.
2. The connecting device for heating, ventilation and air conditioning as claimed in claim 1, wherein: the axial length of the sealing rubber ring is equal to the depth of the stepped groove; the sum of the radial thicknesses of the sealing rubber ring and the wedge-shaped ring is equal to the radial width of the stepped groove.
3. The connecting device for heating, ventilation and air conditioning as claimed in claim 1, wherein: the outer diameter of the wedge-shaped ring is gradually reduced from the large head end of the first rubber joint to the small head end of the first rubber joint.
4. The connecting device for heating, ventilation and air conditioning as claimed in claim 1, wherein: the axial length of the raised ring is equal to the depth of the annular groove.
5. The connecting device for heating, ventilation and air conditioning as claimed in claim 1, wherein: the retaining member has four, the reducing thread section of first rubber joint with it has two axial end looks butts to thread fit respectively on the reducing thread section of second rubber joint the retaining member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490799.2U CN214579440U (en) | 2021-03-08 | 2021-03-08 | Heating ventilation air conditioner connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120490799.2U CN214579440U (en) | 2021-03-08 | 2021-03-08 | Heating ventilation air conditioner connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579440U true CN214579440U (en) | 2021-11-02 |
Family
ID=78353321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120490799.2U Active CN214579440U (en) | 2021-03-08 | 2021-03-08 | Heating ventilation air conditioner connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214579440U (en) |
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2021
- 2021-03-08 CN CN202120490799.2U patent/CN214579440U/en active Active
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