CN211786254U - Anti-freezing protection tube for down lead of power communication optical cable - Google Patents
Anti-freezing protection tube for down lead of power communication optical cable Download PDFInfo
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- CN211786254U CN211786254U CN202020246109.4U CN202020246109U CN211786254U CN 211786254 U CN211786254 U CN 211786254U CN 202020246109 U CN202020246109 U CN 202020246109U CN 211786254 U CN211786254 U CN 211786254U
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Abstract
The utility model discloses an electric power communication optical cable downlead anti-freezing protection tube, including first body and second body, first draw-in groove has been seted up to the lateral wall of first body, the lateral wall fixed mounting of second body has first fixture block, first fixture block extends to in the first draw-in groove and offsets tightly rather than the inside wall, the second draw-in groove has been seted up to the interior bottom of first draw-in groove, first spout has been seted up to the bottom of first fixture block, be equipped with chucking mechanism in the first spout, chucking mechanism extends to in the second draw-in groove and offsets tightly rather than interior bottom, the second spout has been seted up at the top of second body, be equipped with pressing mechanism in the second spout, pressing mechanism extends to in the chucking mechanism and rather than interior top fixed connection, intercommunication groove and sealed chamber have been seted up on the second body. The utility model has the advantages of reasonable design, it can realize stable sealing connection between two pipelines, prevents that outside water from getting into the inside damage optical cable that freezes of pipeline.
Description
Technical Field
The utility model relates to an optical cable protective conduit technical field especially relates to electric power communication optical cable downlead protection tube that freezes.
Background
An optical fiber, called optical fiber for short, is an optical conduction tool for achieving transmission of light in the principle of total reflection in a fiber made of glass or plastic, the optical fiber is a communication line for realizing optical signal transmission, the optical fiber is a cable core formed by a certain number of optical fibers according to a certain mode, and is externally coated with a sheath, and an outer protective layer is also coated on the optical fiber.
Among the prior art, when protecting the optical cable, because the optical cable is longer, often need many protection tubes to link together and protect the optical cable, but the connection between the current protection tube is comparatively simple, and its leakproofness is poor, and outside water easily gets into through the kneck, freezes easily in intraductal damage optical cable in cold weather, for this reason we have designed electric power communication optical cable downlead anti-freezing protection tube and have solved above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art connection between the current protection tube comparatively simple, its leakproofness is poor, and outside water easily gets into through the kneck, freezes the problem of damaging the optical cable in intraductal easily in cold weather, and the electric power communication optical cable downlead protection tube that freezes that provides, it can realize stable sealing connection between two pipelines, prevents that outside water from getting into the inside damage optical cable that freezes of pipeline.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the anti-freezing protection tube for the down lead of the power communication optical cable comprises a first tube body and a second tube body, wherein a first clamping groove is formed in the side wall of the first tube body, a first clamping block is fixedly installed on the side wall of the second tube body, the first clamping block extends into the first clamping groove and is abutted against the inner side wall of the first clamping groove, a second clamping groove is formed in the inner bottom of the first clamping groove, a first sliding groove is formed in the bottom of the first clamping block, a clamping mechanism is arranged in the first sliding groove, the clamping mechanism extends into the second clamping groove and is abutted against the inner bottom of the second clamping groove, a second sliding groove is formed in the top of the second tube body, a pressing mechanism is arranged in the second sliding groove, the pressing mechanism extends into the clamping mechanism and is fixedly connected with the inner top of the clamping mechanism, a communicating groove and a sealing cavity are formed in the second tube body, a compression mechanism is arranged between the communicating groove and the sealing cavity, and, the supporting block extends into the compression mechanism and is tightly abutted against the inner side wall of the compression mechanism, annular mounting grooves are formed in the side wall, opposite to the first pipe body and the second pipe body, of the side wall, a sealing mechanism is arranged between the annular mounting grooves, and the sealing mechanism extends into the compression mechanism and is mutually communicated with the inside of the compression mechanism.
Preferably, the clamping mechanism comprises a second clamping block which is slidably connected in the first sliding groove, the second clamping block extends into the second clamping groove and is abutted against the inner bottom of the second clamping groove, and a first spring is fixedly connected between the top of the second clamping block and the inner top of the first sliding groove.
Preferably, the pressing mechanism comprises a sliding block connected in the second sliding groove in a sliding mode, a second spring is fixedly connected between the bottom of the sliding block and the inner bottom of the second sliding groove, a pull rope is fixedly connected to the side wall of the sliding block, and the pull rope extends into the first sliding groove and is fixedly connected with the top of the second clamping block.
Preferably, the compression mechanism comprises a piston which is slidably connected in the sealing cavity, a push rod is fixedly connected to the side wall of the piston, the push rod extends into the communicating groove and abuts against the side wall of the abutting block, and a third spring is fixedly connected between the side wall of the piston and the inner side wall of the sealing cavity.
Preferably, sealing mechanism includes the annular gasbag of fixed mounting in the annular mounting groove on the second body, the lateral wall of annular gasbag offsets tightly with the inside wall of annular mounting groove on the first body, fixed mounting has the communicating pipe that communicates each other rather than inside on the annular gasbag, communicating pipe extends to the seal chamber and communicates each other rather than inside.
Preferably, the third spring is an elastic spring.
Compared with the prior art, the utility model, its beneficial effect does:
1. through the establishment of compression mechanism and sealing mechanism, when being connected first body and second body, support the piece on the first body and insert in the intercommunication inslot and drive the push rod and slide to sealed intracavity, the push rod drives the piston and slides, the piston passes through communicating pipe compression to annular gasbag in with the air of sealed intracavity, annular gasbag inflation and the inside wall of the annular mounting groove on the first body offset tightly, realized the sealed to first body and second body junction, prevent that outside water from getting into inside.
2. Through the establishment of pressing means and chucking mechanism, when being connected first body with the second body, the operator presses the slider, the slider drives the stay cord and slides to the second spout, stay cord pulling second fixture block slides to first spout, insert first fixture block in the first draw-in groove, when the lateral wall of first fixture block offsets tightly with the inside wall of first draw-in groove, loosen the slider, under the effect of first spring elasticity, the second fixture block slides in the second draw-in groove and offsets tightly rather than the bottom, and then realized the stable of first body and second body and be connected.
To sum up, the utility model has the advantages of reasonable design, it can realize stable sealing connection between two pipelines, prevents that outside water from getting into the inside damage optical cable that freezes of pipeline.
Drawings
Fig. 1 is a schematic structural view of the anti-freezing protection tube for the down lead of the power communication optical cable provided by the present invention;
fig. 2 is an enlarged view of a structure in fig. 1.
In the figure: the sealing device comprises a first pipe body 1, a second pipe body 2, a first clamping groove 3, a second clamping groove 4, a first clamping block 5, a first sliding groove 6, a second clamping block 7, a first spring 8, a second sliding groove 9, a sliding block 10, a second spring 11, a pulling rope 12, a butting block 13, a sealing cavity 14, a piston 15, a push rod 16, a third spring 17, a communicating pipe 18, an annular mounting groove 19, an annular air bag 20 and a communicating groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, the anti-freezing protection tube for the down lead of the power communication optical cable comprises a first tube body 1 and a second tube body 2, wherein a first clamping groove 3 is formed in the side wall of the first tube body 1, a first clamping block 5 is fixedly installed on the side wall of the second tube body 2, the first clamping block 5 extends into the first clamping groove 3 and abuts against the inner side wall of the first clamping groove 3, a second clamping groove 4 is formed in the inner bottom of the first clamping groove 3, a first sliding groove 6 is formed in the bottom of the first clamping block 5, a clamping mechanism is arranged in the first sliding groove 6, the clamping mechanism extends into the second clamping groove 4 and abuts against the inner bottom of the second clamping groove 4, and a first spring 8 is fixedly connected between the top of the second clamping block 7 and the inner top of the first sliding groove 6;
the top of the second tube 2 is provided with a second chute 9, a pressing mechanism is arranged in the second chute 9, the pressing mechanism extends into the clamping mechanism and is fixedly connected with the inner top of the clamping mechanism, the pressing mechanism comprises a slide block 10 connected in the second chute 9 in a sliding manner, a second spring 11 is fixedly connected between the bottom of the slide block 10 and the inner bottom of the second chute 9, the side wall of the slide block 10 is fixedly connected with a pull rope 12, the pull rope 12 extends into the first chute 6 and is fixedly connected with the top of the second clamping block 7, through the arrangement of the pressing mechanism and the clamping mechanism, when the first tube 1 is connected with the second tube 2, an operator presses the slide block 10, the slide block 10 drives the pull rope 12 to slide into the second chute 9, the pull rope 12 pulls the second clamping block 7 to slide into the first chute 6, the first clamping block 5 is inserted into the first clamping groove 3, when the side wall of the first clamping block 5 is abutted against the inner side wall of the first, the sliding block 10 is loosened, and under the action of the elastic force of the first spring 8, the second clamping block 7 slides into the second clamping groove 4 and is abutted against the bottom in the second clamping groove, so that the first pipe body 1 and the second pipe body 2 are stably connected;
a pull rope 12 and a sealing cavity 14 are arranged on the second pipe body 2, a compression mechanism is arranged between the pull rope 12 and the sealing cavity 14, a supporting block 13 extends into the compression mechanism and is tightly supported with the inner side wall of the compression mechanism, the compression mechanism comprises a piston 15 which is connected into the sealing cavity 14 in a sliding manner, the side wall of the piston 15 is fixedly connected with a push rod 16, the push rod 16 extends into a communicating groove 21 and is tightly supported with the side wall of the supporting block 13, a third spring 17 is fixedly connected between the side wall of the piston 15 and the inner side wall of the sealing cavity 14, and the third spring 17 is an elastic spring;
the opposite side walls of the first pipe body 1 and the second pipe body 2 are both provided with annular mounting grooves 19, a sealing mechanism is arranged between the two annular mounting grooves 19, the sealing mechanism extends into the compression mechanism and is mutually communicated with the inside of the compression mechanism, the sealing mechanism comprises an annular air bag 20 fixedly mounted in the annular mounting groove 19 on the second pipe body 2, the side wall of the annular air bag 20 is abutted against the inner side wall of the annular mounting groove 19 on the first pipe body 1, a communicating pipe 18 mutually communicated with the inside of the annular air bag 20 is fixedly mounted on the annular air bag 20, the communicating pipe 18 extends into the sealing cavity 14 and is mutually communicated with the inside of the sealing cavity, through the arrangement of the compression mechanism and the sealing mechanism, when the first pipe body 1 is connected with the second pipe body 2, the abutting block 13 on the first pipe body 1 is inserted into the communicating groove 21 and drives the push rod 16 to slide towards the sealing cavity 14, the push rod 16 drives the piston 15 to slide, the piston 15 compresses the, annular gasbag 20 inflation and with the inside wall of the annular mounting groove 19 on the first body 1 support tightly, realized the sealed to first body 1 and second body 2 junction, prevent that outside water from getting into inside.
The utility model discloses its functional principle is explained to following mode of operation of accessible:
in the utility model, when the first tube 1 and the second tube 2 need to be connected, firstly, the operator presses the slider 10, the slider 10 drives the pull rope 12 to slide into the second chute 9, the pull rope 12 pulls the second clamping block 7 to slide into the first chute 6, the first clamping block 5 is inserted into the first clamping groove 3, when the side wall of the first clamping block 5 is abutted against the inner side wall of the first clamping groove 3, the slider 10 is released, the second clamping block 7 slides into the second clamping groove 4 and is abutted against the bottom of the second clamping groove under the action of the elastic force of the first spring 8, when the operator inserts the first clamping block 5 into the first clamping groove 3, the abutting block 13 on the first tube 1 is inserted into the communicating groove 21 and drives the push rod 16 to slide into the sealing cavity 14, the push rod 16 drives the piston 15 to slide, the piston 15 compresses the air in the sealing cavity 14 into the annular air bag 20 through the communicating pipe 18, the annular air bag 20 expands and is abutted against the annular mounting groove 19 on the first tube 1, realized the sealed to first body 1 and the 2 junctions of second body, and then realized the stable sealing connection between first body 1 and the second body 2.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The anti-freezing protection tube for the power communication optical cable down lead comprises a first tube body (1) and a second tube body (2), and is characterized in that a first clamping groove (3) is formed in the side wall of the first tube body (1), a first clamping block (5) is fixedly mounted on the side wall of the second tube body (2), the first clamping block (5) extends into the first clamping groove (3) and is abutted against the inner side wall of the first clamping groove, a second clamping groove (4) is formed in the inner bottom of the first clamping groove (3), a first sliding groove (6) is formed in the bottom of the first clamping block (5), a clamping mechanism is arranged in the first sliding groove (6), the clamping mechanism extends into the second clamping groove (4) and is abutted against the inner bottom of the second clamping groove, a second sliding groove (9) is formed in the top of the second tube body (2), a pressing mechanism is arranged in the second sliding groove (9), the pressing mechanism extends into the clamping mechanism and is fixedly connected with the inner top of the clamping mechanism, the sealing device is characterized in that a communicating groove (21) and a sealing cavity (14) are formed in the second pipe body (2), a compression mechanism is arranged between the communicating groove (21) and the sealing cavity (14), a supporting block (13) is fixedly mounted on the side wall of the first pipe body (1), the supporting block (13) extends into the compression mechanism and is tightly abutted to the inner side wall of the compression mechanism, annular mounting grooves (19) are formed in the side wall, opposite to the first pipe body (1) and the second pipe body (2), of the first pipe body and the second pipe body, sealing mechanisms are arranged between the annular mounting grooves (19), and the sealing mechanisms extend into the compression mechanism and are mutually communicated with the inside of the compression mechanism.
2. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 1, wherein the clamping mechanism comprises a second clamping block (7) slidably connected in the first sliding groove (6), the second clamping block (7) extends into the second clamping groove (4) and abuts against the inner bottom of the second clamping groove, and a first spring (8) is fixedly connected between the top of the second clamping block (7) and the inner top of the first sliding groove (6).
3. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 2, wherein the pressing mechanism comprises a sliding block (10) slidably connected in the second sliding groove (9), a second spring (11) is fixedly connected between the bottom of the sliding block (10) and the inner bottom of the second sliding groove (9), a pulling rope (12) is fixedly connected to the side wall of the sliding block (10), and the pulling rope (12) extends into the first sliding groove (6) and is fixedly connected to the top of the second clamping block (7).
4. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 1, wherein the compression mechanism comprises a piston (15) slidably connected in the sealed cavity (14), a push rod (16) is fixedly connected to a side wall of the piston (15), the push rod (16) extends into the communicating groove (21) and abuts against a side wall of the abutting block (13), and a third spring (17) is fixedly connected between the side wall of the piston (15) and an inner side wall of the sealed cavity (14).
5. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 4, wherein the sealing mechanism comprises an annular air bag (20) fixedly installed in an annular installation groove (19) on the second tube body (2), the side wall of the annular air bag (20) abuts against the inner side wall of the annular installation groove (19) on the first tube body (1), a communication pipe (18) mutually communicated with the inside of the annular air bag (20) is fixedly installed on the annular air bag (20), and the communication pipe (18) extends into the sealing cavity (14) and mutually communicated with the inside of the sealing cavity.
6. The electric power communication optical cable down conductor anti-freezing protection tube according to claim 4, wherein the third spring (17) is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020246109.4U CN211786254U (en) | 2020-03-03 | 2020-03-03 | Anti-freezing protection tube for down lead of power communication optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020246109.4U CN211786254U (en) | 2020-03-03 | 2020-03-03 | Anti-freezing protection tube for down lead of power communication optical cable |
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| Publication Number | Publication Date |
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| CN211786254U true CN211786254U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020246109.4U Active CN211786254U (en) | 2020-03-03 | 2020-03-03 | Anti-freezing protection tube for down lead of power communication optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080814A (en) * | 2021-04-12 | 2021-07-09 | 中南大学 | Transmission coaxial type photoacoustic endoscopic probe and imaging method thereof |
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2020
- 2020-03-03 CN CN202020246109.4U patent/CN211786254U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080814A (en) * | 2021-04-12 | 2021-07-09 | 中南大学 | Transmission coaxial type photoacoustic endoscopic probe and imaging method thereof |
| CN113080814B (en) * | 2021-04-12 | 2022-01-28 | 中南大学 | Transmission coaxial type photoacoustic endoscopic probe and imaging method thereof |
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