CN206130359U - Flange joint device and composite pad thereof - Google Patents
Flange joint device and composite pad thereof Download PDFInfo
- Publication number
- CN206130359U CN206130359U CN201620883233.5U CN201620883233U CN206130359U CN 206130359 U CN206130359 U CN 206130359U CN 201620883233 U CN201620883233 U CN 201620883233U CN 206130359 U CN206130359 U CN 206130359U
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- Prior art keywords
- pad
- mating surface
- bolt
- sun
- combination mat
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a flange joint device and composite pad thereof. Wherein, a flange joint device, including bolt or double -screw bolt (1) and complex lock nut (2), the flange bead of being connected can be passed in bolt or double -screw bolt (1), lock nut (2) can screw up on bolt or double -screw bolt (1), still include composite pad (3), by sun pad (31) and cloudy (32) the constitution of filling up, the sun fills up (31) and cloudy fill up (32) have complemental convex arc fitting surface and concave arc fitting surface respectively, just has coaxial sun respectively and fills up centre bore (311) and the cloudy centre bore (321) that fills up, under installing condition, the sun fills up (31) and cloudy complemental convex arc fitting surface and the concave arc fitting surface interfitting who fills up (32), and composite pad (3) are overlapped on bolt or double -screw bolt (1) and are located between the flange bead of being connected and lock nut (2). Utilize the device, can avoid flange connecting bolt to bear the uneven load and the seal failure problem that arouses, and simple structure, processing are convenient, with low costs.
Description
Technical field
The utility model is related to a kind of bindiny mechanism, more particularly, to flange connecting apparatus, further relates to for the connection dress
The combination mat put.
Background technology
Flange connection is the important connected mode of pipeline construction, and flange connection is easy to use, can bear larger pressure.
In industrial pipeline, the use of flange connection is quite varied.For example, in production scene, everywhere flange connection pipeline and
Equipment.
Flange connection specifically refers to be cast with flange bead at the two ends of pipeline joint, and sealing is generally provided with end face of flange
Groove, groove built-in ring, to connecting after pipeline is tightly connected together with bolt or studs 1 and locking nut 2, such as Fig. 1
Shown existing flange connecting apparatus；In other words, bolt or stud 1 are all the important securing members of flange seal connection, but due to
The error of the machining accuracy of flange bead plane, by expanding with heat and contract with cold or other factorses are affected to cause irregular deformation of pipeline etc.
Reason, can all cause two side plane A, the A ' of a pair of flange beads being connected with each other not parallel, as shown in figure 1, being for example in loudspeaker
Shape；What therefore bolt 1 bore is non-uniform load, and load concentration as shown in B portions in figure, so should in certain region or certain point
Region or this will bear whole load of bolt, the stress of the part increases severely and easily produces plastic deformation so that bolt
Raw bending, although easily making after bolts bend so that lifting surface area increase is so that load gradually tends to uniform after flexural deformation
Into flange seal failure.
Utility model content
The purpose of this utility model is to provide a kind of flange connecting apparatus, using the device, can be avoided because flange connects
The seal failure problem that bolt bears uneven load and causes, and the apparatus structure is simple, easy to process, low cost；This reality
With the new combination mat additionally provided for flange connecting apparatus.
For achieving the above object, the utility model provides a kind of flange connecting apparatus, including bolt or stud and cooperation
Locking nut, the bolt or stud may pass through connected flange bead, and the locking nut can be tightened in the bolt
Or on stud；Characterized in that, also including combination mat, the combination mat is padded by sun and cloudy pad is constituted, and the sun is padded and described the moon
Pad has respectively complementary convex arc mating surface and concave arc mating surface, and respectively with coaxial sun pad centre bore and Yin Dian centers
Hole；In the mounted state, the complementary convex arc mating surface and concave arc mating surface of the sun pad and the cloudy pad is mutually coincide,
The Combined matterss is on the bolt or stud and between connected flange bead and the locking nut.
By the flange connecting apparatus of above structure, even if the plane machining of connected flange bead both sides is not parallel,
By locking nut combination mat can also be compressed during locking so that identical concave arc mating surface and convex arc mating surface
Self-adjusting and automatically correct the latched position of locking nut so that side plane contacted with locking nut of combination mat is protected
The surface for holding flange bead with stud or bolt opposite side is parallel, so as to avoid bolt or stud from bearing uneven load, and
The sealing between two flange beads is kept to be in stable state.
It is preferred that side surface relative with convex arc mating surface its described of the sun pad is plane, the cloudy pad
That side surface relative with concave arc mating surface its described be plane.
It is preferred that the complementary convex arc mating surface and concave arc mating surface of the combination mat are sphericals.
It is preferred that in the assembled state, the combination mat is cylinder or cubic shaped.
It is preferred that being that gap coordinates between the coaxial sun pad centre bore and cloudy pad centre bore and the bolt or stud
's.
The utility model additionally provides the combination mat for flange connecting apparatus, and the combination mat is by sun pad and cloudy pad structure
Into, the sun pad has respectively complementary convex arc mating surface and concave arc mating surface with the cloudy pad, and respectively with coaxial sun
Pad centre bore and cloudy pad centre bore；In the mounted state, the complementary convex arc mating surface of the sun pad and the cloudy pad and
Concave arc mating surface is mutually coincide, the Combined matterss on the bolt or stud and positioned at connected flange bead with it is described
Between locking nut.
By the combination mat for the flange connecting apparatus of the present utility model, even if connected flange bead both sides
Plane machining is not parallel, it is also possible to by locking nut combination mat is compressed during locking so that identical concave arc is matched somebody with somebody
Conjunction face and the self-adjusting of convex arc mating surface and automatically correct the latched position of locking nut so that combination mat and locking nut
That side plane of contact keeps parallel with the surface of stud or the flange bead of bolt opposite side, so as to avoid bolt or stud from holding
By uneven load, and the sealing between two flange beads is kept to be in stable state.
Description of the drawings
Embodiment of the present utility model is illustrated referring now to the following drawings, in the accompanying drawings：
Fig. 1 shows the schematic diagram of existing flange connecting apparatus；
Fig. 2 shows the schematic diagram of the utility model flange connecting apparatus.
Specific embodiment
As shown in Fig. 2 the flange connecting apparatus that the utility model is proposed are shown in figure, including bolt or the He of stud 1
The locking nut 2 and combination mat 3 of cooperation；The combination mat 3 is made up of positive pad 31 and cloudy pad 32, and positive pad 31 and cloudy pad 32 have respectively
There are the convex arc mating surface and concave arc mating surface of complementation, that side surface relative with its convex arc mating surface of positive pad 31 is plane, cloudy
That side surface relative with its concave arc mating surface of pad 32 is also plane；In the assembled state, complementary convex arc mating surface and recessed
Arc mating surface is bonded to each other, makes combination mat 3 that such as cylinder, cubical pad block is presented.Certainly, combination mat 3 is overall outer
The other shapes of shape are also possible, as long as it has complementary fit face as above.The He of positive pad 31 of the arc combination mat 3
The coaxial sun pad centre bore 311 and cloudy pad centre bore 321 passed through for bolt or stud 1 is respectively equipped with cloudy pad 32；It is preferred that
Coaxial sun pad centre bore 311 and cloudy pad between centre bore 321 and bolt or stud is that gap coordinates.
It is as shown in Figure 2, in the mounted state, bolt or stud 1 through the connecting hole 5 in connected flange bead 4,
Combination mat 3 is enclosed within the part bolt or stud for stretching out flange bead 4, the locking nut 2 and until tightening subsequently screwed on.As schemed
In shown embodiment, during installation, the cloudy pad 32 of combination mat 3 is against flange bead 4；However, those skilled in the art can manage
Solution, the positive pad 31 of combination mat 3 can also be against flange bead 4.
By flange connecting apparatus of the present utility model, between locking nut 2 and connected flange bead 4 group is provided with
Pad 3 is closed, the plane side of cloudy pad 32 is contacted with the surface of flange bead 4, its concave arc mating surface side is matched somebody with somebody with the convex arc of positive pad 31
Conjunction face coincide, and the plane side of positive pad 31 is abutted with locking nut 2.In this coupled condition, even if connected flange bead 4
The plane machining of both sides is not parallel, it is also possible to by locking nut 2 during locking compressing to combination mat 3 so that coincide
Concave arc mating surface and the self-adjusting of convex arc mating surface and automatically correct the latched position of locking nut 2 so that combination mat 3,
That side plane C contacted with locking nut 2 and bolt or the surface A of the flange bead 4 ' of the opposite side of stud 1 ' being capable of keeping parallelism
(as shown in Figure 2), so as to avoid bolt or stud 1 from bearing uneven load, and keeps close between two flange beads 4,4 '
Envelope 5 is in stable state.
The complementary fit face of combination mat of the present utility model 3 can be spherical.
Design of the present utility model is explained in detail above in association with specific preferred embodiment, but for this area
For those of ordinary skill, the further modifications and variations in the utility model concept will it is to be understood that these
Modification and deformation are all fallen within the protection domain of appended claims.
Claims (10)
1. a kind of flange connecting apparatus, including bolt or stud (1) and the locking nut (2) for coordinating, the bolt or stud (1)
Connected flange bead is may pass through, the locking nut (2) can be tightened on the bolt or stud (1)；Characterized in that,
Also include combination mat (3), the combination mat (3) is padded (31) by sun and the moon pad (32) is constituted, sun pad (31) and described the moon are padded
(32) respectively with complementary convex arc mating surface and concave arc mating surface, and there is respectively coaxial sun pad centre bore (311) and the moon
Pad centre bore (321)；In the mounted state, the complementary convex arc mating surface of sun pad (31) and the cloudy pad (32) with
Concave arc mating surface is mutually coincide, and the combination mat (3) is enclosed within the bolt or stud (1) and positioned at connected flange bead
Between the locking nut (2).
2. flange connecting apparatus as claimed in claim 1, it is characterised in that sun pad (31) and its described convex arc match somebody with somebody
That relative side surface of conjunction face is plane, and that side surface relative with concave arc mating surface its described of the cloudy pad (32) is
Plane.
3. flange connecting apparatus as claimed in claim 1, it is characterised in that the complementary convex arc of the combination mat (3)
Mating surface and concave arc mating surface are sphericals.
4. flange connecting apparatus as described in claim 1 or 2 or 3, it is characterised in that in the assembled state, the combination mat
(3) it is cylinder or cubic shaped.
5. flange connecting apparatus as claimed in claim 4, it is characterised in that coaxial sun pad centre bore (311) and institute
State cloudy pad centre bore (321) and be that gap coordinates between the bolt or stud.
6. a kind of combination mat for flange connecting apparatus, it is characterised in that the combination mat (3) is by sun pad (31) and cloudy pads
(32) constitute, the sun pads (31) and the cloudy pad (32) has respectively complementary convex arc mating surface and concave arc mating surface, and divides
Sun pad centre bore (311) that Ju You be not coaxial and cloudy pad centre bore (321)；In the mounted state, the sun pad is (31) and described
The complementary convex arc mating surface of the moon pad (32) and concave arc mating surface are mutually coincide, and the combination mat (3) can be enclosed within the method
On the bolt or stud (1) of blue attachment means and between connected flange bead and locking nut (2).
7. the as claimed in claim 6 combination mat for being used for flange connecting apparatus, it is characterised in that sun pad (31) and
That relative side surface of its convex arc mating surface is plane, and described the moon pads the relative with concave arc mating surface its described of (32)
That side surface be plane.
8. the combination mat of flange connecting apparatus is used for as claimed in claim 6, it is characterised in that the institute of the combination mat (3)
The convex arc mating surface and concave arc mating surface for stating complementation is spherical.
9. the combination mat for flange connecting apparatus as described in claim 6 or 7 or 8, it is characterised in that in assembled state
Under, the combination mat (3) is cylinder or cubic shaped.
10. the combination mat of flange connecting apparatus is used for as claimed in claim 9, it is characterised in that in the coaxial sun pad
Heart hole (311) and described the moon pad centre bore (321) and are that gap coordinates between the bolt or stud (1) of the flange connecting apparatus
's.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620883233.5U CN206130359U (en) | 2016-08-15 | 2016-08-15 | Flange joint device and composite pad thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620883233.5U CN206130359U (en) | 2016-08-15 | 2016-08-15 | Flange joint device and composite pad thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206130359U true CN206130359U (en) | 2017-04-26 |
Family
ID=58563812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620883233.5U Active CN206130359U (en) | 2016-08-15 | 2016-08-15 | Flange joint device and composite pad thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206130359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111642219A (en) * | 2020-06-04 | 2020-09-11 | 温州科技职业学院 | Chinese yam harvester |
-
2016
- 2016-08-15 CN CN201620883233.5U patent/CN206130359U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111642219A (en) * | 2020-06-04 | 2020-09-11 | 温州科技职业学院 | Chinese yam harvester |
| CN111642219B (en) * | 2020-06-04 | 2021-08-24 | 温州科技职业学院 | Chinese yam harvester |
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| GR01 | Patent grant |