CN207687530U - A kind of mechanical sleeves - Google Patents
A kind of mechanical sleeves Download PDFInfo
- Publication number
- CN207687530U CN207687530U CN201721399508.9U CN201721399508U CN207687530U CN 207687530 U CN207687530 U CN 207687530U CN 201721399508 U CN201721399508 U CN 201721399508U CN 207687530 U CN207687530 U CN 207687530U
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- CN
- China
- Prior art keywords
- hole
- connector
- ring
- sealing ring
- bellows
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The utility model provides a kind of mechanical sleeves, including：Connector, nut, bellows and sealing ring, the rear mounting hole that the connector is provided with preceding mounting hole and is connected to the preceding mounting hole, it is provided with external screw thread on the connector, with the threaded hole that through-hole and internal diameter are bigger than the through-hole on the nut, and it is formed between the through-hole and threaded hole and contradicts end face, the connector passes through the external screw thread and the screw hole, the bellows passes through the through-hole, the threaded hole and the rear mounting hole, the sealing ring is arranged in the threaded hole, and one end of sealing ring conflict end face corresponding with the end of the connector conflict connection other end.The beneficial effects of the utility model are：It is more convenient when use, it is preferable with the connection reliability of corrugated flexible hose and rigid pipe fitting, it is not easy to fall off.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of mechanical sleeves.
Background technology
It when gas pipeline connects, needs to connect two fuel gas transmission pipe fittings, more precisely, when fuel gas transmission
Need to be transmitted between corrugated flexible hose and rigid pipe fitting (such as metal tube), due to corrugated flexible hose cannot directly with rigid pipe fitting
Connection, just needs to use mechanical sleeves at this time and connects the two.
In the prior art, the sleeve for connecting corrugated flexible hose and rigid pipe fitting, it is inconvenient when using, it is soft with ripple
The connection reliability of pipe and rigid pipe fitting is inadequate, is easy to fall off, so having certain room for improvement.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of mechanical sleeves.
The purpose of this utility model can be realized by following technical proposal：A kind of mechanical sleeves, including：Connector, nut,
Bellows and sealing ring, the rear mounting hole that the connector is provided with preceding mounting hole and is connected to the preceding mounting hole are described
It is provided with external screw thread on connector, with the threaded hole that through-hole and internal diameter are bigger than the through-hole on the nut, and it is described logical
It is formed between hole and threaded hole and contradicts end face, the connector passes through the external screw thread and the screw hole, the ripple
Pipe is arranged across the through-hole, the threaded hole and the rear mounting hole, the sealing ring in the threaded hole, and described
One end of sealing ring conflict end face corresponding with the end of the connector conflict connection other end.
Preferably, being provided with the inside groove of annular in the through-hole, it is provided with O-ring seal on the inside groove, it is described O-shaped close
The outer sleeve portion of seal and the bellows, which contradicts, to be connected.
Preferably, locating ring is provided on the conflict end face, the inner round portion bending setting of the locating ring, and it is described
The outer perimeter section of locating ring is between the conflict end face and the sealing ring.
Preferably, end-face seal ring is provided with after described in mounting hole, the inner ring of the end-face seal ring and the ripple
Pipe contradicts connection.
Preferably, being provided with fire-retardant sealing ring on the sealing ring, the end of the fire-retardant sealing ring and the connector is supported
Touch connection.
Preferably, being provided with internal thread in the preceding mounting hole.
Compared with prior art, the beneficial effects of the utility model are：
It is more convenient when 1, using, it is preferable with the connection reliability of corrugated flexible hose and rigid pipe fitting, it is not easy to fall off.
2, O-ring seal can play the effect of sealing, after contradicting connection with bellows, can not only improve connection
Reliability makes bellows be connect with through-hole more secured, additionally it is possible to play sealing function, prevent gas leakage or have sundries
It enters in through-hole.
Description of the drawings
Fig. 1 is the structural schematic diagram of the mechanical sleeves of the utility model；
Fig. 2 is the connection relationship diagram of the connector and nut of the utility model.
In figure, 100, connector；110, preceding mounting hole；111, internal thread；120, rear mounting hole；121, end-face seal ring；
130, external screw thread；200, nut；210, through-hole；211, inside groove；212, O-ring seal；220, threaded hole；230, end face is contradicted；
231, locating ring；300, bellows；400, sealing ring；410, fire-retardant sealing ring.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, a kind of mechanical sleeves, including：Connector 100, nut 200, bellows 300 and sealing ring
400, the rear mounting hole 120 that the connector 100 is provided with preceding mounting hole 110 and is connected to the preceding mounting hole 110, wherein
Preceding mounting hole 110 is for installing rigid pipe fitting, and rear mounting hole 120 is for installing bellows 300.
It is provided with external screw thread 130 on the connector 100, has through-hole 210 and internal diameter more logical than described on the nut 200
The big threaded hole 220 in hole 210, and be formed between the through-hole 210 and threaded hole 220 and contradict end face 230, it is worth saying herein
Bright, through-hole 210 forms step structure, and the transition face between through-hole 210 and threaded hole 220 with threaded hole 220
Exactly contradict end face 230.
The connector 100 is spirally connected by the external screw thread 130 and the threaded hole 220, and the bellows 300 passes through described
Through-hole 210, the threaded hole 220 and the rear mounting hole 120, the sealing ring 400 are arranged in the threaded hole 220,
And one end of the sealing ring 400 and the end of the connector 100 contradict the corresponding conflict end face of the connection other end 230.
Preferably, bellows 300 includes corrugated flexible hose and outer tube, and corrugated flexible hose is threaded through in outer tube, energy
It is enough to stretch, also, in actual sleeve, it is that corrugated flexible hose part is threaded through through-hole 210, the threaded hole 220 and described
Afterwards in mounting hole 120.
Wherein, due to the mode that connector 100 is connect with nut 200, not only convenient disassembly, and also while using, is also very reliable,
The stress point of connector 100 and nut 200 is substantially distributed at external screw thread 130, so even if by folding force, it will not shadow
Bellows 300 is rung, and the both ends of sealing ring 400 contradict with connector 100 and nut 200 connect respectively, and inside and ripple
Pipe 300 contradicts connection, so fastening effect is especially good, connection is very reliable.
Preferably, on the periphery of connector 100 and nut 200, the lug boss of annular is convexed to form, is set on lug boss
It is equipped with the decorative pattern for increasing frictional force, in connection or dismounting, it is only necessary to pin two lug bosses, then negative direction is applied
Power, it will be able to the two be made to connect or dismantle.
As shown in Figure 1 and Figure 2, on the basis of the above embodiment, the inside groove of annular is provided in the through-hole 210
211, O-ring seal 212, the housing pipe portion of the O-ring seal 212 and the bellows 300 are provided on the inside groove 211
Divide and contradicts connection.
O-ring seal 212 can play the effect of sealing, can not only the company of raising after contradicting connection with bellows 300
The reliability connect makes bellows 300 be connect with through-hole 210 more secured, additionally it is possible to play sealing function, prevent gas leakage
Or there is sundries to enter in through-hole 210.
As shown in Figure 1, on the basis of the above embodiment, locating ring 231, institute are provided on the conflict end face 230
State locating ring 231 inner round portion bending setting, and the outer perimeter section of the locating ring 231 be located at the conflict end face 230 and
Between the sealing ring.
Locating ring 231 can position bellows 300, also, the corrugated flexible hose part of bellows 300 is placed exactly in
The inner round portion of locating ring 231, locating ring 231 can not only tightly embrace bellows 300, additionally it is possible to limit the shifting of bellows 300
It is dynamic, and its bending structure has certain buffering effect, even if bellows 300 is bent, will not with its hard collision, so
Bellows 300 will not be damaged, additionally it is possible to be positioned to bellows 300, avoid its displacement.
As shown in Figure 1, on the basis of the above embodiment, end-face seal ring is provided in the rear mounting hole 120
121, the inner ring of the end-face seal ring 121 is contradicted with the bellows 300 and is connected, and more precisely, is and bellows 300
Joint is tightly connected.
Preferably, end-face seal ring 121 is located at the front end of rear mounting hole 120, corresponds to the end of bellows 300, end
Face sealing ring 121 can seal up the end of bellows 300, primarily serve sealing function, avoid combustion gas from bellows 300
Joint is revealed, and so that bellows 300 is connected in rear mounting hole 120 relatively reliable.
As shown in Figure 1, on the basis of the above embodiment, fire-retardant sealing ring 410 is provided on the sealing ring 400,
The end of the fire-retardant sealing ring 410 and the connector 100, which contradicts, to be connected.
It is worth noting that, fire-retardant sealing ring 410 can play the role of fire-retardant leakproofness herein.
As shown in Figure 1, on the basis of the above embodiment, internal thread 111 is provided in the preceding mounting hole 110, it is interior
Screw thread 111 with rigid pipe fitting for connecting.
Generally speaking, preceding mounting hole 110 is connect with rigid pipe fitting, and rear mounting hole 120 is connect with bellows 300, to real
The transmission of existing combustion gas.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of mechanical sleeves, which is characterized in that including：Connector, nut, bellows and sealing ring, the connector are provided with
Preceding mounting hole and the rear mounting hole being connected to the preceding mounting hole are provided with external screw thread on the connector, have on the nut
There is the threaded hole that through-hole and internal diameter are bigger than the through-hole, and is formed between the through-hole and threaded hole and contradicts end face, institute
Connector is stated by the external screw thread and the screw hole, the bellows passes through the through-hole, the threaded hole and institute
Rear mounting hole is stated, the sealing ring is arranged in the threaded hole, and one end of the sealing ring and the end of the connector are supported
It touches the connection other end and corresponds to the conflict end face.
2. mechanical sleeves as described in claim 1, it is characterised in that：The inside groove of annular is provided in the through-hole, it is described
O-ring seal is provided on inside groove, the O-ring seal and the outer sleeve portion of the bellows contradict connection.
3. mechanical sleeves as described in claim 2, it is characterised in that：It is provided with locating ring on the conflict end face, it is described
The inner round portion bending setting of locating ring, and the outer perimeter section of the locating ring be located at the conflict end face and the sealing ring it
Between.
4. mechanical sleeves as described in claim 1, it is characterised in that：It is provided with end-face seal ring in mounting hole after described,
The inner ring of the end-face seal ring is contradicted with the bellows and is connected.
5. mechanical sleeves as described in claim 3, it is characterised in that：Fire-retardant sealing ring, institute are provided on the sealing ring
The end for stating fire-retardant sealing ring and the connector contradicts connection.
6. the mechanical sleeves as described in claims 1 or 2, it is characterised in that：It is provided with internal thread in the preceding mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399508.9U CN207687530U (en) | 2017-10-27 | 2017-10-27 | A kind of mechanical sleeves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399508.9U CN207687530U (en) | 2017-10-27 | 2017-10-27 | A kind of mechanical sleeves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687530U true CN207687530U (en) | 2018-08-03 |
Family
ID=62988306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721399508.9U Active CN207687530U (en) | 2017-10-27 | 2017-10-27 | A kind of mechanical sleeves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611626A (en) * | 2018-12-12 | 2019-04-12 | 成都共同管业集团股份有限公司 | Corrugated pipe ring presses connection component, structure and ring to press method |
-
2017
- 2017-10-27 CN CN201721399508.9U patent/CN207687530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611626A (en) * | 2018-12-12 | 2019-04-12 | 成都共同管业集团股份有限公司 | Corrugated pipe ring presses connection component, structure and ring to press method |
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| GR01 | Patent grant |