CN109449850B - Limit device - Google Patents
Limit device Download PDFInfo
- Publication number
- CN109449850B CN109449850B CN201810802850.1A CN201810802850A CN109449850B CN 109449850 B CN109449850 B CN 109449850B CN 201810802850 A CN201810802850 A CN 201810802850A CN 109449850 B CN109449850 B CN 109449850B
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- China
- Prior art keywords
- wire passing
- wire
- sliding block
- cylinder
- passing cylinder
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
Landscapes
- Installation Of Indoor Wiring (AREA)
- Cable Accessories (AREA)
Abstract
The application relates to the field of electric tools, in particular to a limiter, which comprises a wire passing cylinder, wherein two ends of the wire passing cylinder are opened, at least two unidirectional non-return mechanisms are arranged in the wire passing cylinder along the circumferential direction, each unidirectional non-return mechanism comprises an inclined slideway fixed on the inner wall of the wire passing cylinder, a sliding block which is matched and slidingly connected with the inclined slideway, a wire clamping part which is arranged on the back of the sliding block and is fixedly connected with the sliding block, and a baffle which is fixed at two ends of the inclined slideway and is used for limiting the sliding range of the sliding block, the inclined slideway is arranged along the axial direction of the wire passing cylinder, one end of the inclined slideway is inclined towards the axis of the wire passing cylinder, so that the inclined slideway of each unidirectional non-return mechanism is matched to form a conical space, and the sliding block of each unidirectional non-return mechanism can synchronously and reciprocally slide along the corresponding inclined slideway to enable the wire passing space formed by the corresponding wire clamping part to be reduced or expanded; the application has the advantages that the one-way limiting or positioning can be carried out on the cable, the fixing is firm, and the cable sheath is not damaged.
Description
Technical Field
The application relates to the field of electric tools, in particular to a limiter.
Background
The existing high-voltage cable of the power line is more and more used, the high-voltage cable is heavy in quality, thick and hard, the cable is difficult to limit or position, the cable protection skin is easy to damage, and time and labor are wasted in actual construction.
Disclosure of Invention
In order to solve the above problems, the task of the present application is to provide a limiter, which can limit or position a cable, is firmly fixed, and does not damage the cable sheath.
The task of the application is realized by the following technical scheme:
the utility model provides a stopper, includes a line section of thick bamboo, crosses the both ends opening of line section of thick bamboo, crosses the line section of thick bamboo and is equipped with two at least one-way check mechanism along circumference in, one-way check mechanism including fix at the slope slide of crossing line section of thick bamboo inner wall, with slope slide cooperation sliding connection's slider, set up at the slider back and with slider fixed connection's double-layered line portion, fix at slope slide both ends and be used for carrying out spacing baffle to the slider sliding range, the slope slide sets up along the axial of line section of thick bamboo and its one end inclines towards the axle center of line section of thick bamboo to make each one-way check mechanism's slope slide cooperation form a toper space, thereby each one-way check mechanism's slider can be along corresponding slope slide synchronous reciprocal sliding and make the line space that crosses that corresponds the cooperation of double-layered line portion forms reduce or expand.
Preferably, the unidirectional non-return mechanism further comprises a spring, one end of the spring abuts against the sliding block, and the other end of the spring abuts against the baffle plate at the diameter expanding end.
Preferably, the wire passing cylinder is of an involution structure and comprises two half cylinders which are detachably connected, and each half cylinder is provided with a one-way non-return mechanism.
Preferably, one side edge of the two half cylinders is hinged with each other, and the other side edge is detachably connected, preferably in a snap connection manner.
Preferably, the inclined slide way comprises two inclined slide rails which are oppositely arranged, at least one slide groove is further formed in each inclined slide rail, and two sides of the slide block are respectively connected with the two inclined slide rails in an embedded sliding mode.
Preferably, the wire clamping part is of a concave arc structure with an opening facing the axis of the wire passing cylinder, and a plurality of non-return teeth inclining towards the diameter expanding end are arranged on the wire clamping part.
Preferably, at least one end of the wire passing cylinder is provided with a connecting structure.
Preferably, the limiter comprises two wire passing cylinders, the two wire passing cylinders are coaxial and opposite in direction, and the diameter expanding end of one wire passing cylinder is connected with the diameter expanding end of the other wire passing cylinder.
Preferably, the limiter comprises two wire passing cylinders, the two wire passing cylinders are coaxial and opposite in direction, the expanded diameter end of one wire passing cylinder is provided with a connecting structure, and the expanded diameter end of the other wire passing cylinder is arranged at intervals.
When the cable moves towards the diameter-reducing end of the wire passing cylinder relative to the wire passing cylinder (namely towards one end with smaller conical space formed by the matching of the inclined slide ways), the cable drives the sliding blocks to move towards the diameter-reducing end along the inclined slide ways, the wire passing space formed by the matching of the clamping parts of the sliding blocks is reduced until the cable is clamped out, so that the cable cannot continue to move, and when the cable moves towards the diameter-expanding end of the wire passing cylinder relative to the wire passing cylinder (namely towards one end with larger conical space formed by the matching of the inclined slide ways), the cable drives the sliding blocks to move towards the diameter-expanding end along the inclined slide ways, and the wire passing space formed by the matching of the clamping parts of the sliding blocks is enlarged, so that the cable can continue to move smoothly.
The beneficial effects of the application are as follows: (1) the cable can only move unidirectionally relative to the wire passing cylinder by utilizing the plurality of unidirectional non-return mechanisms arranged along the inner periphery of the wire passing cylinder, so that the purpose of unidirectionally limiting the cable is realized, and when the two wire passing cylinders are oppositely arranged and matched for use, the purpose of positioning the cable can be realized; the friction between the wire clamping part and the cable sheath is utilized no matter the unidirectional limiting and the positioning are carried out, the cable sheath is not damaged, and the fixation is firm; (2) the wire passing cylinder is of a involution structure, one sides of the wire passing cylinders are mutually hinged, and the other sides of the wire passing cylinders are detachably connected, so that the wire passing cylinders can be conveniently sleeved on the cable; (3) when the cable moves towards the reducing end of the wire passing cylinder relative to the wire passing cylinder, the spring abuts against the sliding block to enable the wire clamping part of the cable to be in contact with the cable, and the cable is more beneficial to driving the sliding block to move towards the reducing end along the inclined slideway; (4) the check teeth are arranged on the wire clamping part, so that the unidirectional check effect of the limiter is further improved; (5) at least one end of the wire passing cylinder is provided with a connecting structure, such as a threaded connecting structure and a buckle connecting structure, so that the wire passing cylinder can be connected to other electric tools to limit or position the connected electric tools.
Drawings
FIG. 1 is a schematic view of the stopper in embodiment 1;
fig. 2 is a schematic view showing an opened state structure of the stopper in embodiment 1;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a reference schematic diagram of the use state of the stopper in embodiment 1;
FIG. 5 is a schematic view of the stopper of FIG. 4 in an open configuration;
FIG. 6 is a schematic view showing the structure of a stopper in embodiment 2;
fig. 7 is a reference schematic diagram of the use state of the stopper in embodiment 2.
The wire passing cylinder 1, the half cylinder 11, the fastening structure 12, the connecting structure 13, the inclined slide rail 21, the inclined slide rail 211, the slide groove 2111, the slide block 22, the raised strips 221, the wire clamping part 23, the non-return teeth 231, the baffle 24, the compression spring 25, the cable 3 and the electric tool 4.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the description of the specific embodiments is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure.
Example 1:
as shown in fig. 1-4, a limiter comprises a wire passing cylinder 1, two ends of the wire passing cylinder 1 are opened, two unidirectional non-return mechanisms 2 are circumferentially arranged in the wire passing cylinder 1, each unidirectional non-return mechanism 2 comprises an inclined slideway 21 fixed on the inner wall of the wire passing cylinder 1, a sliding block 22 in matched sliding connection with the inclined slideway 21, a wire clamping part 23 arranged on the back surface of the sliding block 22 and fixedly integrated with the sliding block 22, baffle plates 24 fixed at two ends of the inclined slideway 21 and used for limiting the sliding range of the sliding block 22, and a compression spring 25 used for propping against the sliding block 22, wherein the inclined slideway 21 is arranged along the axial direction of the wire passing cylinder 1, one end of the inclined slideway 21 is inclined towards the axis of the wire passing cylinder 1, so that the inclined slideway 21 of each unidirectional non-return mechanism 2 is matched to form a conical space, the sliding block 22 of each unidirectional non-return mechanism 2 can synchronously slide reciprocally along the corresponding inclined slideway 21 so that the wire passing space formed by the corresponding wire clamping part 23 is reduced or expanded, one end of the spring is propped against the sliding plate 24 at one end of the sliding block 22, and the other end of the spring is propped against the baffle plates 24 at the diameter end.
In use, as shown in fig. 4 and 5, when the cable 3 passes through the threading space of the threading drum 1, and when the cable 3 moves relative to the threading drum 1 toward the reduced diameter end of the threading drum 1 (i.e., toward the end where the tapered space formed by the engagement of the inclined slide ways 21 is relatively small), the spring abuts against the slider 22 to make the wire clamping portion 23 contact with the cable 3, and then the cable 3 drives the slider 22 to move along the inclined slide ways 21 toward the reduced diameter end, the threading space formed by the engagement of the slider 22 with the wire clamping portion 23 is reduced until the cable 3 is blocked out so that the cable 3 cannot continue to move, and when the cable 3 moves relative to the threading drum 1 toward the expanded diameter end of the threading drum 1 (i.e., toward the end where the tapered space formed by the engagement of the inclined slide ways 21 is relatively large), the cable 3 drives the slider 22 to move along the inclined slide ways 21 toward the expanded diameter end, and the threading space formed by the engagement of the slider 22 with the wire clamping portion 23 is increased so that the cable 3 can continue to move smoothly. According to the limiter, the cable 3 can only move unidirectionally relative to the wire passing cylinder 1 by utilizing the plurality of unidirectional non-return mechanisms 2 arranged along the inner periphery of the wire passing cylinder 1, and the limiting purpose of the limiter relative to the cable 3 is further achieved.
The wire passing cylinder 1 is of an involution structure and comprises two half cylinders 11, one side edge of each half cylinder 11 is hinged with the other side edge of each half cylinder 11, the other side edges are detachably connected through a clamping structure 12, and each half cylinder 11 is provided with a one-way non-return mechanism 2. The wire passing cylinder 1 is of a involution structure, one sides of the wire passing cylinders are mutually hinged, and the other sides of the wire passing cylinders are detachably connected, so that the wire passing cylinder 1 can be conveniently sleeved on the cable 3.
The inclined slide way 21 comprises two inclined slide rails 211 which are oppositely arranged, at least one slide groove 2111 is further arranged on each inclined slide rail 211, convex strips 221 matched with the slide grooves 2111 are respectively arranged on two sides of the slide block 22, and two sides of the slide block 22 are respectively connected with the two inclined slide rails 211 in an embedded sliding mode. This design makes the fit of the inclined slide 21 and the slider 22 stronger.
The thread clamping part 23 has a concave arc structure with an opening facing the axis of the thread passing cylinder 1, and a plurality of non-return teeth 231 inclined towards the diameter expanding end are arranged on the thread clamping part 23. The check teeth 231 are provided on the wire clamping part 23, so that the unidirectional check effect of the limiter is further improved.
The one end of the wire passing cylinder 1 is provided with a connecting structure 13, which can be a threaded connecting structure 13, a buckle connecting structure 13 or a bayonet connecting structure 13, so that the wire passing cylinder can be connected to an electric power tool which is sleeved on a cable and needs to be limited or positioned relative to the cable, and the connected electric power tool is limited or positioned.
Example 2:
on the basis of the technical scheme of the embodiment 1, the following improvement is further carried out:
as shown in fig. 6, the limiter of the present application comprises two wire passing cylinders 1, wherein the two wire passing cylinders 1 are coaxial and opposite in direction, and the diameter expanding end of one wire passing cylinder 1 is connected with the diameter expanding end of the other wire passing cylinder 1. When the two wire passing cylinders 1 are arranged in opposite directions and matched, the purpose of positioning the limiter relative to the cable 3 can be achieved.
Example 3:
on the basis of the technical scheme of the embodiment 1, the following improvement is further carried out:
as shown in fig. 7, the limiter of the present application includes two wire passing cylinders 1, the two wire passing cylinders 1 are coaxial and opposite in direction, the expanded diameter end of the wire passing cylinder 1 is provided with a connecting structure 13, and the expanded diameter end of one wire passing cylinder 1 and the expanded diameter end of the other wire passing cylinder 1 are arranged at intervals, so that other electric tools 4 to be positioned can be clamped between the two wire passing cylinders 1, and the electric tools 4 are positioned by matching the two wire passing cylinders 1.
In the embodiment, the electric power tool 4 to be positioned is a device which is sleeved on the cable and needs to be positioned or limited relative to the cable in use, such as an electric shock prevention device for an overhead bare conductor (a patent product applied by the applicant in the prior application is used for being sleeved on the overhead bare cable to protect against electric shock accidents).
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Claims (5)
1. The limiter is characterized by comprising a wire passing cylinder, two ends of the wire passing cylinder are opened, at least two unidirectional check mechanisms are circumferentially arranged in the wire passing cylinder, each unidirectional check mechanism comprises an inclined slideway fixed on the inner wall of the wire passing cylinder, a sliding block in matched sliding connection with the inclined slideway, a wire clamping part arranged on the back surface of the sliding block and fixedly connected with the sliding block, and a baffle plate fixed at two ends of the inclined slideway and used for limiting the sliding range of the sliding block, the inclined slideway is axially arranged along the wire passing cylinder, one end of the inclined slideway is inclined towards the axis of the wire passing cylinder, so that the inclined slideway of each unidirectional check mechanism is matched to form a conical space, the sliding block of each unidirectional check mechanism can synchronously and reciprocally slide along the corresponding inclined slideway to enable the wire passing space formed by the corresponding wire clamping part to be reduced or expanded,
the unidirectional non-return mechanism also comprises a spring, one end of the spring is propped against the sliding block, the other end is propped against the baffle plate at the diameter expansion end,
the thread passing cylinder is of an involution structure and comprises two half cylinders which are detachably connected, each half cylinder is respectively provided with a one-way non-return mechanism,
the inclined slide way comprises two inclined slide rails which are oppositely arranged, at least one slide groove is also arranged on each inclined slide rail, two sides of the slide block are respectively connected with the two inclined slide rails in an embedded sliding way,
the wire clamping part is of a concave arc-shaped structure with an opening facing the axis of the wire passing cylinder, and a plurality of non-return teeth inclining towards the diameter expanding end are arranged on the wire clamping part.
2. A stopper according to claim 1, wherein one side of the two half-cylinders is hinged to each other and the other side is detachably connected.
3. The limiter of claim 1, wherein at least one end of the wire passing barrel is provided with a connecting structure.
4. A limiter according to any one of claims 1 to 3 comprising two said wire passing barrels, the two wire passing barrels being coaxial and of opposite direction, wherein the enlarged end of one wire passing barrel is connected to the enlarged end of the other wire passing barrel.
5. A limiter according to any one of claims 1 to 3 comprising two said wire passing barrels, the two wire passing barrels being coaxial and of opposite direction, the enlarged ends of the wire passing barrels being provided with a connection arrangement, wherein the enlarged ends of one wire passing barrel are spaced from the enlarged ends of the other wire passing barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802850.1A CN109449850B (en) | 2018-07-20 | 2018-07-20 | Limit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802850.1A CN109449850B (en) | 2018-07-20 | 2018-07-20 | Limit device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449850A CN109449850A (en) | 2019-03-08 |
| CN109449850B true CN109449850B (en) | 2023-12-15 |
Family
ID=65532892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810802850.1A Active CN109449850B (en) | 2018-07-20 | 2018-07-20 | Limit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449850B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265920A (en) * | 2019-07-19 | 2019-09-20 | 广州番禺电缆集团有限公司 | A kind of arranged in dislocation protective sleeve connect cover |
| CN114512949B (en) * | 2022-03-10 | 2024-01-16 | 国网山东省电力公司平原县供电公司 | Cable suspension fitting for overhead transmission line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004129361A (en) * | 2002-10-01 | 2004-04-22 | Kyowa Exeo Corp | Cable passing jig |
| EP1975490A2 (en) * | 2007-03-30 | 2008-10-01 | Anvis Deutschland GmbH | Device for holding at least one extended component |
| JP2016123255A (en) * | 2014-12-25 | 2016-07-07 | 住友電気工業株式会社 | Duct line, manufacturing method of duct line, and cable installation method |
| CN105762747A (en) * | 2016-04-22 | 2016-07-13 | 广州番禺电缆集团有限公司 | Deflectable wire clamping and wire fixing apparatus |
| CN107611897A (en) * | 2017-11-03 | 2018-01-19 | 广州番禺电缆集团有限公司 | A kind of overhead bare conductor voltage reducing device |
| CN208835699U (en) * | 2018-07-20 | 2019-05-07 | 广州番禺电缆集团有限公司 | Limiter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7723623B2 (en) * | 2004-09-13 | 2010-05-25 | Bridgeport Fittings, Inc. | Electrical duplex connector having an integrally formed connector body with a frustro-conical retaining ring and unidirectional cable retainers |
-
2018
- 2018-07-20 CN CN201810802850.1A patent/CN109449850B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004129361A (en) * | 2002-10-01 | 2004-04-22 | Kyowa Exeo Corp | Cable passing jig |
| EP1975490A2 (en) * | 2007-03-30 | 2008-10-01 | Anvis Deutschland GmbH | Device for holding at least one extended component |
| JP2016123255A (en) * | 2014-12-25 | 2016-07-07 | 住友電気工業株式会社 | Duct line, manufacturing method of duct line, and cable installation method |
| CN105762747A (en) * | 2016-04-22 | 2016-07-13 | 广州番禺电缆集团有限公司 | Deflectable wire clamping and wire fixing apparatus |
| CN107611897A (en) * | 2017-11-03 | 2018-01-19 | 广州番禺电缆集团有限公司 | A kind of overhead bare conductor voltage reducing device |
| CN208835699U (en) * | 2018-07-20 | 2019-05-07 | 广州番禺电缆集团有限公司 | Limiter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109449850A (en) | 2019-03-08 |
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