CN206943675U - Unidirectional hinge type expansion bellow - Google Patents
Unidirectional hinge type expansion bellow Download PDFInfo
- Publication number
- CN206943675U CN206943675U CN201720606772.9U CN201720606772U CN206943675U CN 206943675 U CN206943675 U CN 206943675U CN 201720606772 U CN201720606772 U CN 201720606772U CN 206943675 U CN206943675 U CN 206943675U
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- adapter
- hand member
- plate
- fixedly installed
- ties
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Abstract
A kind of unidirectional hinge type expansion bellow is the utility model is related to, including left adapter, right adapter and bellows, the left and right ends of the bellows are sealedly and fixedly connected with the right-hand member of left adapter and between the left end of right adapter respectively；The upper end of the left adapter and right adapter is provided with upper hinge mechanism；The lower end of the left adapter and right adapter is provided with lower hinge mechanism, and two adapters, which pass through two linkages up and down and done, to horizontally rotate；Left adapter right-hand member inner hole wall sealing is fixedly installed guide shell, and the left end of the guide shell forms fixing end with left adapter connection, and the right-hand member of the guide shell, which stretches into, forms freedom of movement end in right adapter.By the guide shell of setting and two sheaths of outside, in the case where meeting that adapter rotates, bellows is played a very good protection from inside and outside.
Description
Technical field
It the utility model is related to a kind of unidirectional hinge type expansion bellow.
Background technology
Hinge type expansion bellow is by the change of its angle come absorption line, transfer passage or container etc. along its axial direction side
To the angular displacement caused by thermal expansion or contraction.Usual two pieces or three are applied in combination, compensation rate and two pieces product spacing
From directly proportional, its advantage is small volume, in light weight, and product pressure thrust is born by hinge member, angular hinge FlexbleJoint
Can be with the angular displacement of compensation pipes in any direction.
In existing expansion joint, tightly connected for the adapter of left and right two by bellows, for bellows inner side and outer side
Some protectors, infringement caused by bellows is easily hit by the inner and outer pipe foreign matter of pipe are not designed.
Utility model content
The technical problems to be solved in the utility model is：A kind of overcome the deficiencies in the prior art, there is provided unidirectional hinge type ripple
Line expansion joint.
Technical scheme is used by the utility model solves its technical problem：A kind of unidirectional hinge type expansion bellow,
Connect respectively with the right-hand member of left adapter and with the right side including left adapter, right adapter and bellows, the left and right ends of the bellows
It is sealedly and fixedly connected between the left end of pipe；The upper end of the left adapter and right adapter is provided with upper hinge mechanism；The left adapter
The lower end of right adapter is provided with lower hinge mechanism, two adapters, which pass through two linkages up and down and done, to horizontally rotate；
The left adapter right-hand member inner hole wall sealing is fixedly installed guide shell, and the left end of the guide shell connects with left adapter
Fixing end is formed, the right-hand member of the guide shell, which stretches into, forms freedom of movement end in right adapter.
Further, the left adapter right-hand member outer wall is provided with left ring flat-plate, and oversheath is fixedly installed on the left ring flat-plate,
The oversheath left end is fixedly connected to form fixing end with left ring flat-plate, and the oversheath right-hand member forms free movable end；
The right adapter left end outer wall is provided with right ring flat-plate, and inner sheath, the interior shield are fixedly installed on the right ring flat-plate
For set right-hand member with there is changing shifts to be fixedly connected to form fixing end, the inner sheath left end, which stretches into, forms free movable end in oversheath.
Further, linkage includes left risers, right risers, two secondary arm-ties and a main arm-tie, described left vertical
Plate is fixedly installed in left adapter, and the right risers are fixedly installed in right adapter, and two secondary arm-tie left ends are fixed with left risers
Connection, two secondary arm-ties are in upper and lower structure setting, and separate space is formed between two secondary arm-ties, and main arm-tie right-hand member is fixed with right risers to be connected
Connect, the main arm-tie left end is stretched into the separate space between two secondary arm-ties, bearing pin through after main arm-tie and two secondary arm-ties with gear
Ring is fixedly connected.
Further, several bolts for being used to fix two adapter angles are provided between the left adapter and right adapter
Connection component；
The bolt connection assembly includes left otic placode, auris dextra plate, left nut, right nut and stud bar, the left side
Otic placode is fixedly installed in left adapter, and the auris dextra plate is fixedly installed in right adapter, the both ends difference of the stud bar
Passed through from left otic placode and auris dextra plate, the left end of the stud bar connects left nut, the right-hand member connection of the stud bar
Right nut.
The beneficial effects of the utility model are：By the guide shell of setting and two sheaths of outside, meeting to take over
In the case of rotating, bellows is played a very good protection from inside and outside.
Brief description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 is the schematic diagram of the utility model expansion joint；
Wherein, 1, left adapter, 2, right adapter, 3, bellows, 4, guide shell, 5, oversheath, 6, inner sheath, 7, Link chain device
Structure, 71, secondary arm-tie, 72, main arm-tie, 8, bolt connection assembly.
Embodiment
The utility model is further described presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram only to show
Meaning mode illustrates basic structure of the present utility model, therefore it only shows the composition relevant with the utility model.
As shown in Fig. 1 Fig. 2, a kind of unidirectional hinge type expansion bellow, including left adapter 1, right adapter 2 and bellows 3,
The left and right ends of bellows 3 are sealedly and fixedly connected with the right-hand member of left adapter 1 and between the left end of right adapter 2 respectively；A left side connects
The upper end of pipe 1 and right adapter 2 is provided with upper hinge mechanism；The lower end of left adapter 1 and right adapter 2 is provided with lower hinge mechanism, and two
Two linkages, which are done, above and below individual adapter warp horizontally rotates；The left right-hand member inner hole wall of adapter 1 sealing is fixedly installed guide shell 4, leads
The left end of flow cartridge 4 is connected to form fixing end with left adapter 1, and the right-hand member of guide shell 4, which stretches into, forms freedom of movement end in right adapter 2.
To realize the outer protection to bellows 3, the left right-hand member outer wall of adapter 1 is provided with left ring flat-plate, fixes and set on left ring flat-plate
Oversheath 5 is equipped with, the left end of oversheath 5 is fixedly connected to form fixing end with left ring flat-plate, and the right-hand member of oversheath 5 forms free movable end；
The right left end outer wall of adapter 2 is provided with right ring flat-plate, inner sheath 6 is fixedly installed on right ring flat-plate, the right-hand member of inner sheath 6 is with there is changing shifts to fix
Connection forms fixing end, and the left end of inner sheath 6, which stretches into, forms free movable end in oversheath 5.
Linkage 7 includes left risers, right risers, two secondary arm-ties 71 and a main arm-tie 72, and left risers are fixed and set
Put in left adapter 1, right risers are fixedly installed in right adapter 2, and two secondary left ends of arm-tie 71 are fixedly connected with left risers, two
Secondary arm-tie 71 is in upper and lower structure setting, and separate space is formed between two secondary arm-ties 71, and the main right-hand member of arm-tie 72 is fixedly connected with right risers,
The main left end of arm-tie 72 is stretched into the separate space between two secondary arm-ties 71, bearing pin through after main arm-tie 72 and two secondary arm-ties 71 with gear
Ring is fixedly connected.
Several bolt connection assemblies 8 for being used to fix two adapter angles are provided between left adapter 1 and right adapter 2；
Bolt connection assembly 8 includes left otic placode, auris dextra plate, left nut, right nut and stud bar, and left otic placode is fixedly installed on a left side
In adapter 1, auris dextra plate is fixedly installed in right adapter 2, and the both ends of stud bar pass through from left otic placode and auris dextra plate respectively, double
The left end of hook bolt bar connects left nut, and the right-hand member of stud bar connects right nut.Bolt connection assembly 8 is used in expansion joint
Prevent adapter from relative motion occurs during transport.
By the guide shell 4 of setting and two sheaths of outside, in the case where meeting that adapter rotates, to bellows
3 play a very good protection from inside and outside.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (4)
1. a kind of unidirectional hinge type expansion bellow, it is characterized in that, including left adapter（1）, right adapter（2）And bellows（3）,
The bellows（3）Left and right ends respectively with left adapter（1）Right-hand member and with right adapter（2）Left end between seal fix
Connection；The left adapter（1）With right adapter（2）Upper end be provided with upper hinge mechanism；The left adapter（1）With right adapter（2）
Lower end be provided with lower hinge mechanism, two linkages do and horizontally rotated two adapter warps up and down；
The left adapter（1）The sealing of right-hand member inner hole wall is fixedly installed guide shell（4）, the guide shell（4）Left end connect with a left side
Pipe（1）Connection forms fixing end, the guide shell（4）Right-hand member stretch into right adapter（2）Interior formation freedom of movement end.
2. unidirectional hinge type expansion bellow according to claim 1, it is characterized in that, the left adapter（1）Right-hand member outer wall
Left ring flat-plate is provided with, oversheath is fixedly installed on the left ring flat-plate（5）, the oversheath（5）Left end is fixed with left ring flat-plate to be connected
Connect to form fixing end, the oversheath（5）Right-hand member forms free movable end；
The right adapter（2）Left end outer wall is provided with right ring flat-plate, and inner sheath is fixedly installed on the right ring flat-plate（6）, it is described interior
Sheath（6）Right-hand member is with there is changing shifts to be fixedly connected to form fixing end, the inner sheath（6）Left end stretches into oversheath（5）It is interior to be formed certainly
By movable end.
3. unidirectional hinge type expansion bellow according to claim 1, it is characterized in that, linkage（7）Including left risers,
Right risers, two secondary arm-ties（71）An and main arm-tie（72）, the left risers are fixedly installed on left adapter（1）On, it is described
Right risers are fixedly installed on right adapter（2）On, two secondary arm-ties（71）Left end is fixedly connected with left risers, two secondary arm-ties（71）
In upper and lower structure setting, two secondary arm-ties（71）Between form separate space, main arm-tie（72）Right-hand member is fixedly connected with right risers, described
Main arm-tie（72）Left end stretches into two secondary arm-ties（71）Between separate space in, bearing pin passes through main arm-tie（72）With two secondary arm-ties
（71）It is fixedly connected afterwards with baffle ring.
4. unidirectional hinge type expansion bellow according to claim 1, it is characterized in that, the left adapter（1）With right adapter
（2）Between be provided with several and be used to fix the bolt connection assemblies of two adapter angles（8）；
The bolt connection assembly（8）Including left otic placode, auris dextra plate, left nut, right nut and stud bar, the left ear
Plate is fixedly installed on left adapter（1）On, the auris dextra plate is fixedly installed on right adapter（2）On, the both ends of the stud bar
Passed through respectively from left otic placode and auris dextra plate, the left end of the stud bar connects left nut, the right-hand member of the stud bar
Connect right nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606772.9U CN206943675U (en) | 2017-05-26 | 2017-05-26 | Unidirectional hinge type expansion bellow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606772.9U CN206943675U (en) | 2017-05-26 | 2017-05-26 | Unidirectional hinge type expansion bellow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206943675U true CN206943675U (en) | 2018-01-30 |
Family
ID=61362387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720606772.9U Active CN206943675U (en) | 2017-05-26 | 2017-05-26 | Unidirectional hinge type expansion bellow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206943675U (en) |
-
2017
- 2017-05-26 CN CN201720606772.9U patent/CN206943675U/en active Active
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