CN219801756U - Explosion-proof flexible connecting pipe - Google Patents
Explosion-proof flexible connecting pipe Download PDFInfo
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- CN219801756U CN219801756U CN202320970824.6U CN202320970824U CN219801756U CN 219801756 U CN219801756 U CN 219801756U CN 202320970824 U CN202320970824 U CN 202320970824U CN 219801756 U CN219801756 U CN 219801756U
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- Prior art keywords
- explosion
- proof flexible
- fixedly connected
- stainless steel
- steel mesh
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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 51
- 239000010935 stainless steel Substances 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims 4
- 238000001125 extrusion Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model relates to the technical field of explosion-proof flexible pipes, in particular to an explosion-proof flexible connecting pipe, which comprises an explosion-proof flexible inner pipe and is characterized in that the outer surface of the explosion-proof flexible inner pipe is fixedly connected with a raised circular ring in a linear array, the outer surface of the explosion-proof flexible inner pipe is sleeved with a stainless steel mesh braided sheath, the stainless steel mesh braided sheath is formed by curling a plate shape, one side of the stainless steel mesh braided sheath is fixedly connected with a first connecting plate, the other side of the stainless steel mesh braided sheath is fixedly connected with a second connecting plate, a positioning notch is formed in the second connecting plate, the bottom of the first connecting plate is fixedly connected with a connecting block, and the strength and the explosion-proof capability of the explosion-proof flexible inner pipe can be improved by sleeving the stainless steel mesh braided sheath outside the explosion-proof flexible inner pipe, meanwhile, the explosion-proof flexible inner pipe is prevented from being damaged, the protection is provided for the explosion-proof flexible inner pipe, and the safety of the explosion-proof flexible inner pipe is improved.
Description
Technical Field
The utility model relates to the technical field of explosion-proof flexible pipes, in particular to an explosion-proof flexible connecting pipe.
Background
The explosion-proof flexible connecting pipe is mainly used for steel pipe wiring and cable electrical connection, and is mostly applied to the connection between explosion-proof products and various electric appliances in dangerous areas with combustible gases in some air.
The body part of the explosion-proof flexible connecting pipe is made of flexible materials so as to meet the connection requirements of different pipelines, such as the explosion-proof flexible connecting pipe provided in patent application number CN202021943305.3, has a simple structure, and is matched with the locking nut, so that the connector is firmly connected with the connecting pipe main body, and the danger that the connector is separated from the connecting pipe main body in the use process is avoided.
In the prior art, as the explosion-proof flexible connecting pipe proposed in the patent application number CN202021943305.3, the pipe body is directly exposed outside when in use, the outside of the pipe body lacks corresponding protection, and the pipe body can be damaged to cause potential safety hazard when in use.
Disclosure of Invention
The present utility model is directed to an explosion-proof flexible connection pipe, which solves the problems set forth in the background art.
The aim of the utility model can be achieved by the following technical scheme:
the explosion-proof flexible connecting pipe comprises an explosion-proof flexible inner pipe and is characterized in that the outer surface of the explosion-proof flexible inner pipe is fixedly connected with a protruding circular ring in a linear array, a stainless steel mesh woven sheath is sleeved on the outer surface of the explosion-proof flexible inner pipe, the stainless steel mesh woven sheath is formed by curling a plate, one side of the stainless steel mesh woven sheath is fixedly connected with a first connecting plate, and the other side of the stainless steel mesh woven sheath is fixedly connected with a second connecting plate.
The positioning notch is formed in the second connecting plate, the connecting block is fixedly connected to the bottom of the first connecting plate, the bottom of the connecting block penetrates through the positioning notch and extends to the outer side of the second connecting plate, the trapezoid limiting block made of soft rubber materials is fixedly connected to the bottom of the connecting block, and two sides of the trapezoid limiting block are obliquely arranged.
Preferably, both ends of the explosion-proof flexible inner tube are fixedly connected with jackets, one end of each jacket, which is far away from the explosion-proof flexible inner tube, is provided with a lining, the outer side of the lining is provided with a nut, and the nuts are connected with joints in a threaded manner.
Preferably, a lead pad is arranged between the outer sleeve and the joint, and a nameplate is fixedly connected to the outer surface of one of the outer sleeves.
Preferably, the stainless steel mesh braided sheath is provided with a limiting notch, and the outer surface of the explosion-proof flexible inner tube is fixedly connected with a limiting protrusion matched with the limiting notch for use.
Preferably, the stainless steel mesh braided sheath is provided with two positioning rings, the outer surface of the explosion-proof flexible inner tube is fixedly connected with two positioning convex shafts, and the positioning convex shafts are matched with the positioning rings.
Preferably, the first connecting plate and the second connecting plate are provided with connecting mechanisms, each connecting mechanism comprises an elastic tensioning strip and a locating piece, two ends of each elastic tensioning strip are fixedly connected to the stainless steel mesh woven sheath, each locating piece is fixed to the bottom of the second connecting plate, the bottoms of the locating pieces are bent to form arc locating bayonets, and each elastic tensioning strip penetrates through each arc locating bayonet.
The utility model has the beneficial effects that:
through the stainless steel mesh braided sheath that establishes at the outside cover of explosion-proof flexible inner tube, can promote the intensity and the explosion-proof ability of explosion-proof flexible inner tube, avoid simultaneously that explosion-proof flexible inner tube is outside to receive the damage, provide the protection for explosion-proof flexible inner tube, promote the security of explosion-proof flexible inner tube, the protruding ring of explosion-proof flexible inner tube surface, can form the space between stainless steel mesh braided sheath and explosion-proof flexible inner tube, make stainless steel mesh braided sheath outside receive the extrusion or the inside certain buffer space that remains when producing the inflation of explosion-proof flexible inner tube, further promoted the stability of connecting pipe, the trapezoidal stopper of extrusion simultaneously and pulling elasticity take-up strip, can install explosion-proof flexible inner tube with stainless steel mesh braided sheath fast, or take off stainless steel mesh braided sheath from explosion-proof flexible inner tube, be convenient for to the change of stainless steel mesh braided sheath and to the maintenance of explosion-proof flexible inner tube.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the construction of the explosion-proof flexible inner tube and stainless steel mesh braided sheath of FIG. 1 according to the present utility model;
FIG. 3 is a schematic view of the structure of the inside of the stainless steel mesh braided sheath of FIG. 2 according to the present utility model;
FIG. 4 is a rear view of the stainless steel mesh braided sheath of FIG. 2 of the present utility model;
FIG. 5 is a schematic view of the structure of the bottom of the stainless steel mesh braided sheath of FIG. 4 according to the present utility model;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4A in accordance with the present utility model;
fig. 7 is an enlarged schematic view of the structure of fig. 5B according to the present utility model.
Reference numerals in the drawings are as follows:
1. the explosion-proof flexible inner tube, 2, protruding ring, 3, stainless steel mesh woven sheath, 4, first connecting plate, 5, second connecting plate, 6, location notch, 7, connecting block, 8, trapezoidal stopper, 9, overcoat, 10, inside lining, 11, nut, 12, joint, 13, lead pad, 14, nameplate, 15, restriction notch, 16, restriction protruding, 17, location ring, 18, location protruding axle, 19, elasticity tensioning strip, 20, setting element, 21, arc location bayonet socket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The explosion-proof flexible connecting pipe comprises an explosion-proof flexible inner pipe 1, and is characterized in that the outer surface of the explosion-proof flexible inner pipe 1 is fixedly connected with a protruding circular ring 2 in a linear array, a stainless steel mesh woven sheath 3 is sleeved on the outer surface of the explosion-proof flexible inner pipe 1, the stainless steel mesh woven sheath 3 is formed by curling a plate shape, one side of the stainless steel mesh woven sheath 3 is fixedly connected with a first connecting plate 4, and the other side of the stainless steel mesh woven sheath 3 is fixedly connected with a second connecting plate 5.
The locating notch 6 has been seted up on the second connecting plate 5, the bottom fixedly connected with connecting block 7 of first connecting plate 4, the bottom of connecting block 7 runs through locating notch 6 and extends to the outside of second connecting plate 5, the bottom fixedly connected with of connecting block 7 adopts trapezoidal stopper 8 of flexible glue material preparation, the both sides slope setting of trapezoidal stopper 8.
As shown in fig. 1, fig. 2, fig. 4 and fig. 6, the first connecting plate 4 and the second connecting plate 5 are made of flexible materials, the trapezoid limiting block 8 made of flexible materials has elastic expansion and contraction capacity, the inside of the trapezoid limiting block is a cavity, the elastic capacity of the trapezoid limiting block 8 is further improved, the top of the trapezoid limiting block 8 is a plane, and the top length of the trapezoid limiting block exceeds the length of the positioning notch 6, so that the trapezoid limiting block 8 cannot pass through the positioning notch 6 when not contracting.
The two ends of the explosion-proof flexible inner tube 1 are fixedly connected with outer sleeves 9, one ends, far away from the explosion-proof flexible inner tube 1, of the outer sleeves 9 are provided with inner liners 10, nuts 11 are arranged on the outer sides of the inner liners 10, and joints 12 are connected to the nuts 11 in a threaded mode.
As shown in figure 1, argon arc welding is adopted between the outer sleeve 9 and the inner liner 10 to improve the explosion-proof capacity, the effective meshing buckling number is more than or equal to 5, and the effective meshing length is more than or equal to 8mm at the threaded connection position of the nut 11 and the joint 12.
A lead pad 13 is arranged between the outer sleeve 9 and the joint 12, and a nameplate 14 is fixedly connected to the outer surface of one of the outer sleeves 9.
By providing a lead pad 13 between the jacket 9 and the joint 12, as in fig. 1, the advantages of flame resistance, corrosion resistance, water resistance, aging resistance can be achieved while increasing the weight.
The stainless steel mesh braided sheath 3 is provided with a limiting notch 15, and the outer surface of the explosion-proof flexible inner tube 1 is fixedly connected with a limiting protrusion 16 matched with the limiting notch 15.
When the stainless steel mesh braided sheath 3 is sleeved on the explosion-proof flexible inner tube 1, as shown in fig. 2, the limiting protrusion 16 is relatively clamped into the limiting notch 15, so that relative sliding between the stainless steel mesh braided sheath 3 and the explosion-proof flexible inner tube 1 can be avoided.
The stainless steel mesh braided sheath 3 is provided with two positioning circular rings 17, the outer surface of the explosion-proof flexible inner tube 1 is fixedly connected with two positioning convex shafts 18, and the positioning convex shafts 18 are matched with the positioning circular rings 17.
As shown in fig. 2, when the stainless steel mesh braided sheath 3 is sleeved on the explosion-proof flexible inner tube 1, the two positioning circular rings 17 are respectively sleeved on the positioning convex shafts 18, so that the stainless steel mesh braided sheath 3 can be quickly and accurately sleeved on the corresponding position on the explosion-proof flexible inner tube 1.
The connecting mechanism is arranged on the first connecting plate 4 and the second connecting plate 5 and comprises an elastic tensioning strip 19 and a positioning piece 20, both ends of the elastic tensioning strip 19 are fixedly connected to the stainless steel mesh woven sheath 3, the positioning piece 20 is fixed to the bottom of the second connecting plate 5, the bottom of the positioning piece 20 is bent to form an arc-shaped positioning bayonet 21, and the elastic tensioning strip 19 passes through the arc-shaped positioning bayonet 21.
As shown in fig. 4, 5, 6 and 7, the first connection plate 4 and the second connection plate 5 are pulled together by the elastic force generated by the elastic pull strip 19, so that the crimp of the stainless steel mesh braid 3 is more stable.
The working principle of the explosion-proof flexible connecting pipe provided by the utility model is as follows:
when the stainless steel mesh braided sheath 3 needs to be taken down, the elastic tension strip 19 is pulled firstly to enable the elastic tension strip 19 to stretch and separate from the positioning bayonet 21, the elastic tension strip 19 and the positioning piece 20 are separated, two sides of the trapezoid limiting block 8 are manually pressed after the elastic tension strip is allowed to be separated, the trapezoid limiting block 8 is contracted, at the moment, the trapezoid limiting block 8 is pushed upwards from the positioning notch 6, then the first connecting plate 4 and the second connecting plate 5 are separated, and the stainless steel mesh braided sheath 3 is taken down;
when the stainless steel mesh braided sheath 3 needs to be installed, the limiting notch 15 is aligned to the limiting protrusion 16, the stainless steel mesh braided sheath 3 is curled again, the first connecting plate 4 and the second connecting plate 5 are attached together, the inner wall of the positioning notch 6 extrudes the inclined plane at the bottom of the trapezoid limiting block 8, the trapezoid limiting block 8 is contracted, the trapezoid limiting block 8 stretches after passing through the positioning notch 6, the first connecting plate 4 and the second connecting plate 5 are positioned together, the elastic tensioning strip 19 is pulled again, and the elastic tensioning strip 19 is clamped into the arc-shaped positioning bayonet 21.
Compared with the related art, the explosion-proof flexible connecting pipe provided by the utility model has the following beneficial effects:
through the stainless steel mesh braided sheath 3 that establishes at the outside cover of explosion-proof flexible inner tube 1, can promote the intensity and the explosion-proof ability of explosion-proof flexible inner tube 1, avoid explosion-proof flexible inner tube 1 outside to receive the damage simultaneously, provide the protection for explosion-proof flexible inner tube 1, promote the security of explosion-proof flexible inner tube 1, protruding ring 2 of explosion-proof flexible inner tube 1 surface, can form the space between stainless steel mesh braided sheath 3 and explosion-proof flexible inner tube 1, make stainless steel mesh braided sheath 3 outside receive the extrusion or the inside certain buffer space that remains when producing expansion of explosion-proof flexible inner tube 1, further promoted the stability of connecting pipe, extrude trapezoidal stopper 8 and pulling elasticity tensioning strip 19 simultaneously, can install explosion-proof flexible inner tube 1 with stainless steel mesh braided sheath 3 fast, or take off stainless steel mesh braided sheath 3 from explosion-proof flexible inner tube 1, be convenient for change to stainless steel mesh braided sheath 3 and to explosion-proof flexible inner tube 1's maintenance.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The anti-explosion flexible connecting pipe comprises an anti-explosion flexible inner pipe (1), and is characterized in that the outer surface of the anti-explosion flexible inner pipe (1) is fixedly connected with a raised circular ring (2) in a linear array, the outer surface of the anti-explosion flexible inner pipe (1) is sleeved with a stainless steel mesh woven sheath (3), the stainless steel mesh woven sheath (3) is formed by curling a plate shape, one side of the stainless steel mesh woven sheath (3) is fixedly connected with a first connecting plate (4), and the other side is fixedly connected with a second connecting plate (5);
the positioning notch (6) is formed in the second connecting plate (5), the connecting block (7) is fixedly connected to the bottom of the first connecting plate (4), the bottom of the connecting block (7) penetrates through the positioning notch (6) and extends to the outer side of the second connecting plate (5), the trapezoid limiting block (8) made of soft rubber materials is fixedly connected to the bottom of the connecting block (7), and two sides of the trapezoid limiting block (8) are obliquely arranged.
2. The explosion-proof flexible connecting pipe according to claim 1, wherein the two ends of the explosion-proof flexible inner pipe (1) are fixedly connected with an outer sleeve (9), one end of the outer sleeve (9) away from the explosion-proof flexible inner pipe (1) is provided with an inner lining (10), the outer side of the inner lining (10) is provided with a nut (11), and a joint (12) is connected to the nut (11) in a threaded manner.
3. Explosion-proof flexible connection pipe according to claim 2, characterized in that a lead pad (13) is arranged between the outer sleeve (9) and the joint (12), wherein the outer surface of one of the outer sleeves (9) is fixedly connected with a nameplate (14).
4. The explosion-proof flexible connecting pipe according to claim 1, wherein the stainless steel mesh braided sheath (3) is provided with a limiting notch (15), and the outer surface of the explosion-proof flexible inner pipe (1) is fixedly connected with a limiting protrusion (16) matched with the limiting notch (15).
5. The explosion-proof flexible connecting pipe according to claim 4, wherein two positioning rings (17) are arranged on the stainless steel mesh braided sheath (3), two positioning protruding shafts (18) are fixedly connected to the outer surface of the explosion-proof flexible inner pipe (1), and the positioning protruding shafts (18) are matched with the positioning rings (17).
6. The explosion-proof flexible connecting pipe according to claim 1, wherein the first connecting plate (4) and the second connecting plate (5) are provided with connecting mechanisms, each connecting mechanism comprises an elastic tensioning strip (19) and a positioning piece (20), two ends of each elastic tensioning strip (19) are fixedly connected to the stainless steel mesh woven sheath (3), each positioning piece (20) is fixed to the bottom of the second connecting plate (5), the bottom of each positioning piece (20) is bent to form an arc-shaped positioning bayonet (21), and each elastic tensioning strip (19) penetrates through the corresponding arc-shaped positioning bayonet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320970824.6U CN219801756U (en) | 2023-04-26 | 2023-04-26 | Explosion-proof flexible connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320970824.6U CN219801756U (en) | 2023-04-26 | 2023-04-26 | Explosion-proof flexible connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219801756U true CN219801756U (en) | 2023-10-03 |
Family
ID=88188080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320970824.6U Active CN219801756U (en) | 2023-04-26 | 2023-04-26 | Explosion-proof flexible connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219801756U (en) |
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2023
- 2023-04-26 CN CN202320970824.6U patent/CN219801756U/en active Active
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