CN110790093B - Cable telescoping device - Google Patents
Cable telescoping device Download PDFInfo
- Publication number
- CN110790093B CN110790093B CN201910906694.8A CN201910906694A CN110790093B CN 110790093 B CN110790093 B CN 110790093B CN 201910906694 A CN201910906694 A CN 201910906694A CN 110790093 B CN110790093 B CN 110790093B
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- Prior art keywords
- cable
- sliding block
- slider
- shell
- guide rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
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- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a cable telescoping device, which comprises a shell, wherein a sliding block structure is movably arranged on the shell in a guiding manner, the sliding block structure is provided with a movable winding structure for a cable to pass by so as to enable the cable to form a reverse structure, the shell is provided with a fixed structure, the shell is provided with an elastic resetting structure for providing elastic acting force for the sliding block structure so as to enable the sliding block structure to move towards the head end of a moving path of the sliding block structure, when the cable telescoping device is used, the cable at one side of the reverse structure, which is far away from the fixed structure, is pulled, the sliding block structure can overcome the elastic acting force of the elastic resetting structure and move towards the tail end of the moving path of the sliding block structure, the shell is also provided with a locking structure for locking the sliding block structure on a guide; in the process of cable winding and unwinding, the cable is always positioned on a cable moving path formed by the fixing structure and the moving winding structure, so that the cable is prevented from twisting around the axis of the cable in the process of winding and unwinding.
Description
Technical Field
The invention relates to the technical field related to power supply equipment, in particular to a cable telescoping device.
Background
In a communication data center, wiring between boards and wiring between cabinets are mostly needed, two cabinets are directly connected by cables, redundant cables are often generated due to the fact that the lengths of the cables are different from the distances between the cabinets, a large number of cables are disordered and scattered disorderly, and the arrangement is very troublesome.
The prior art has seen a lot of pay-off and take-up devices, wherein mostly adopt spiral spring mechanism with the cable coiling on the spool, similar to the structure of tape measure, the one end of cable is fixed on the spool and is drawn forth from spool axial one end, the other end twines on the spool, when needs wiring, the stiff end of cable is connected with a wiring structure, the other end of pulling cable can drive the line book and rotate to unreel and pull out the cable of required length and be connected with another wiring structure. When not needing the wiring, directly demolish both ends wiring, spiral spring mechanism can carry out the rolling to the cable, makes things convenient for the arrangement of cable.
However, when the take-up and pay-off device is used, once the fixed end of the cable is connected, when the other end of the cable is pulled to be unreeled, the fixed end of the cable is often twisted around the axis of the cable along with the rotation of the reel, and even the cable is twisted off in severe cases, which brings inconvenience to the use process.
Disclosure of Invention
The invention aims to provide a cable telescoping device to solve the problem that a cable is easy to twist axially when the cable is wound and unwound in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a cable telescoping device, which comprises a housin, the direction removes on the casing and installs the slider structure, the slider has the removal winding structure that supplies the cable to walk around and make the cable form the inflection structure structurally, the fixed knot who is used for fixing the cable that is in inflection structure one side constructs has on the casing constructs, install on the casing and be used for providing slider structure elastic force and make its elasticity reset structure that moves towards its head end in movement path, during the use, the cable of keeping away from fixed knot structure one side that the pulling is in the inflection structure, the elastic force that the slider structure can overcome the elasticity reset structure removes towards its terminal direction in movement path, still install on the casing and be used for the locking structure of slider structure locking on the guide rail, unblock locking structure, the slider structure can reset under the effect of elasticity reset structure and withdraw the cable.
The invention has the beneficial effects that: the cable is walked around from removing the winding structure to form the inflection structure in the cable telescoping device, make the cable save in the cable telescoping device, and, the cable is in one side of inflection structure and passes through fixed knot structure and fix on the casing, the pulling cable, the cable can be along with the guide movement of slider structure and constantly be given out the cable telescoping device, still be provided with on the casing with the locking structure of slider locking on the track and make the elasticity of slider structure reset structure, unblock location structure, the slider structure resets under the effect of elasticity reset structure, realize withdrawing of cable. Therefore, in the process of winding and unwinding the cable, the cable is always positioned on a cable moving path formed by the fixing structure and the moving winding structure, so that the cable is prevented from twisting around the axis of the cable in the process of winding and unwinding the cable.
Furthermore, the sliding block structure comprises a sliding block which is movably matched with the guide rail in a guiding way and a movable pulley which is fixed on the sliding block, and the movable pulley forms the movable winding structure; the movable pulley is used as a movable winding structure, so that the friction force between the cable and the movable pulley can be reduced, and the cable can be conveniently pulled.
When the locking structure is arranged, the locking structure is a ratchet wheel pawl type one-way locking structure, and the sliding block structure is stopped in the resetting direction of the sliding block structure; the locking and unlocking of the sliding block structure can be realized more conveniently.
Furthermore, the pawl of the locking structure is an elastic claw arranged on the slider structure, a ratchet bar arranged along the moving path of the slider structure is arranged on the shell, and the elastic claw can be clamped on the ratchet of the ratchet bar under the action of elasticity to realize unidirectional locking of the slider structure; under the condition that the requirements for locking and unlocking the sliding block structure are met, the elastic clamping jaws arranged on the sliding block structure are used as the pawls of the locking structure, so that the locking structure is simple to arrange, and the locking and unlocking actions of the sliding block structure are simple.
When the sliding block structure is specifically arranged, the sliding block structure comprises a sliding block, an elastic clamping jaw is arranged on the sliding block, the elastic clamping jaw and a guide matching structure for matching the sliding block with a guide rail are respectively arranged on two opposite side surfaces of the sliding block, and a movable winding structure is arranged on the side surface adjacent to the side surface where the elastic clamping jaw is arranged and the side surface where the guide matching structure is arranged; the elastic clamping jaws and the guide structures for matching the sliding block with the guide rails are respectively arranged on the opposite side surfaces of the sliding block, so that the sliding block and the guide matching structures can be guided in a concave-convex matching mode, and the structure is simpler to arrange; and the structural layout of the movable winding structure, the guide rail, the ratchet bar and the sliding block can be more compact.
The shell is also provided with a fixed winding structure at the tail end of the moving path of the sliding block, and the fixed winding structure is used for the cable to pass by to form another folding structure; this provides for the cable to pass in and out of the housing at both ends.
Further, the fixed winding structure is a fixed pulley rotatably assembled on the shell; the friction between the cable and the fixed winding structure can be reduced.
The shell is also provided with a fixed pulley which is used for a cable to pass through to form another folding structure at the tail end of the moving path of the sliding block, and the rotating axis of the fixed pulley is vertical to that of the movable pulley; therefore, the size of the shell in the width direction, namely the width of the shell can be reduced through the arrangement mode of the movable pulley and the fixed pulley.
Furthermore, the shell is a rectangular box body, and two ends of the rectangular box body in the length direction are respectively provided with a threading channel for a cable to pass in and out; the cable can penetrate in and out from two ends of the rectangular box body in the length direction, and therefore the cable expansion device can be used between two cabinets or between two panels.
Further, the guide rail is a linear guide rail; the cable is in a linear state in the winding and unwinding process, and the cable is prevented from being separated from the movable winding structure.
Furthermore, the elastic reset structure comprises a guide rod which is arranged in parallel with the linear guide rail and penetrates through the sliding block, and a reset spring which is sleeved on the guide rod; the guide rod guides the compression and the reset of the reset spring, and prevents the spring from generating lateral distortion to influence the reset of the reset spring.
Drawings
FIG. 1 is a schematic view of a cable retractor according to the present invention;
FIG. 2 is a schematic view of the cable retractor of FIG. 1 with the housing removed;
fig. 3 is a rear view of fig. 2.
In the figure: 1-a shell; 2-a cable; 3-a ratchet bar; 4-a movable pulley; 5-elastic claw; 6-fixed pulley; 7-binding a belt; 8-a guide rod; 9-a return spring; 10-a guide rail; 11-a slide block.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The embodiment of the cable expansion device of the invention is shown in fig. 1, the cable expansion device comprises a casing 1, the casing 1 is a rectangular box body, and two ends of the rectangular box body in the length direction are respectively provided with a threading channel for the cable 2 to pass through, so that the cable 2 can pass through and out of the threading channel in the length direction of the rectangular box body, and the cable expansion device can be used between two cabinets or between two plate surfaces. A guide rail frame is fixed on the bottom surface of the shell 1, a guide rail 10 is arranged on the guide rail frame, the guide rail 10 is a linear guide rail, and ratchet bars 3 are arranged on the guide rail frame and the guide rail 10 at intervals up and down.
The housing 1 is provided with a slide block structure which can move on the guide rail 10 in a guiding way. The slider structure has the removal wire winding structure that supplies cable 2 to walk around and make cable 2 form the inflection structure, and is concrete, as shown in fig. 3, the slider structure includes with guide rail 10 direction removal complex slider 11, offer the guide rail groove with guide rail 10 adaptation on the downside of slider 11, the slider structure still includes the movable pulley 4 of fixing on slider 11, movable pulley 4 constitutes the removal wire winding structure to can reduce the frictional force between cable 2 and the movable pulley 4, make things convenient for the pulling of cable 2.
The housing 1 is also provided with locking means for locking the slider structure to the guide rail 10. The locking structure is a ratchet pawl type unidirectional locking structure, and can stop the slider structure in the resetting direction of the slider 11, specifically, as shown in fig. 3, the pawl is an elastic claw 5 fixed on the upper side surface of the slider 11, the shell 1 is provided with a ratchet bar 3 arranged along the moving path of the slider structure, the ratchet bar 3 and the guide rail 10 are arranged at intervals up and down, the elastic claw 5 can be clamped on the ratchet of the ratchet bar 3 under the action of elastic force so as to realize unidirectional locking of the slider 11, and the elastic claw 5 fixed on the slider 11 is used as the pawl of the locking structure, so that not only is the arrangement of the locking structure simple, but also the locking and unlocking actions of the slider 11 are simple.
Install elasticity reset structure on casing 1 for provide elastic force when slider structure moves towards its head end that moves the way, it is specific, as shown in fig. 2, elasticity reset structure includes guide rod 8 with linear guide 10 parallel arrangement, and guide rod 8 passes slider 11, and elasticity reset structure still includes the reset spring 9 of cover establishing on guide rod 8.
The casing 1 is provided with a fixing structure for fixing the cable 2 on one side of the folding structure, specifically, the fixing structure is a ribbon 7, and the cable 2 is fixed on the bottom surface of the casing 1 by the ribbon 7 after penetrating through the threading channel on the casing 1.
In the invention, the elastic claw 5 is fixed on the upper side surface of the sliding block 11, the guide rail 10 groove is arranged on the lower side surface of the sliding block 11, and the movable pulley 4 is fixed on the side surface of the sliding block 11 adjacent to the lower side surface. At this moment, the guide rail 10 is a track protruding upwards, the guide rail groove is a groove matched with the guide rail 10, and the guide rail 10 and the guide rail groove can meet the use requirement only through concave-convex sliding fit, so that the arrangement of the guide fit structure is simpler, and the arrangement of the ratchet bar 3, the movable pulley 4, the guide rail 10 and the slider 11 is more compact.
The shell 1 is also provided with a fixed winding structure for the cable 2 to pass through at the tail end of the moving path of the sliding block, and the cable 2 passes through the fixed winding structure to form another folding mechanism, so that conditions are provided for the cable 2 to pass in and out from the threading channel in the length direction of the rectangular box body. In order to reduce the friction between the cable 2 and the stationary winding structure, the stationary winding structure is a fixed pulley 6 rotatably mounted on the housing 1.
The rotation axis of the fixed pulley 6 is perpendicular to the rotation axis of the movable pulley 4, specifically, the rotation axis of the fixed pulley 6 is perpendicular to the bottom surface of the housing 1, and the rotation axis of the movable pulley 4 is parallel to the bottom surface of the housing 1, so that the size of the housing 1 in the width direction can be reduced by the arrangement of the movable pulley 4 and the fixed pulley 6, and the width of the housing 1 is further reduced.
The outer peripheral surface of the movable pulley 4 and the outer peripheral surface of the fixed pulley 6 are both arc surfaces having a cross-sectional shape that is recessed inward, so that the cable 2 can be prevented from coming off in the axial direction of the fixed pulley 6 and the movable pulley 4 after passing around the fixed pulley 6 and the movable pulley 4. The rail bracket is provided with a support groove for supporting the cable 2 at one end of the threading passage near the housing 1 through which the cable 2 is threaded, so that it can be ensured that the cable 2 does not sag when the cable 2 is pulled, thereby better holding the cable 2 on the outer peripheral surface of the movable pulley 4.
When in use, the cable 2 is pulled, the sliding block 11 can overcome the elastic force of the return spring 9 on the guide rod 8, so that the sliding block 11 can move towards the tail end of the guide rail 10 in a guiding way, at the moment, the ratchet on the ratchet bar 3 of the locking structure can not block the elastic claw 5, thereby realizing the paying off of the cable 2, when the cable 2 is paid off to the required length, the pulling of the cable 2 is stopped, at this time, under the elastic force of the return spring 9 on the guide rod 8, the elastic claw 5 can be clamped on the ratchet of the ratchet rack 3, thereby realizing the locking of the sliding block, when the cable 2 does not need to have longer length outside the cable expansion device, the elastic claw 5 is pressed downwards, the elastic claw 5 does not form a stop with the ratchet, thus, the sliding block 11 is unlocked, at the moment, under the elastic force of the return spring 9, the sliding block 11 returns along the guide rail 10, and at the moment, the movable pulley 4 fixedly connected with the sliding block 11 retracts the cable 2 into the cable retractor.
In the invention, after the cable 2 is threaded from the threading channel at one end of the housing 1 in the length direction, the cable 2 is fixed on the bottom surface of the housing 1 by the binding belt 7, then the cable 2 is wound around the fixed pulley 6 to form a reverse structure, then wound around the movable pulley 4 on the sliding block structure to form a reverse structure, and finally threaded out through the threading channel at the other end of the housing 1 in the length direction, namely, the cable 2 has a route of the reverse structure in the cable telescopic device, and in the process of winding and unwinding the cable 2, the cable 2 is always kept unchanged in the reverse structure, so that the cable 2 is prevented from being twisted around the axis thereof in the process of winding and unwinding.
In this embodiment, the slider structure includes a slider engaged with the guide rail guide movement and a movable pulley fixed on the slider, and the movable pulley constitutes the movable winding structure.
In this embodiment, the locking structure is ratchet pawl type's one-way locking structure, in other embodiments, be fixed with the fixed plate on the length direction one side of guide rail frame, seted up rectangular hole on the fixed plate, set up the through-hole on the slider in the direction of perpendicular to fixed plate, pass slider and fixed plate simultaneously with the bolt, then tighten at the one end of the bolt of wearing out the fixed plate with the nut, thereby realize the locking to the slider, when the cable withdraws, only need loosen the nut just can realize resetting of slider under the effect of the elastic component that resets.
In the embodiment, the pawl of the locking structure is an elastic claw arranged on the slider structure, the shell is provided with a ratchet bar arranged along the moving path of the slider structure, the elastic claw can be clamped on the ratchet of the ratchet bar under the action of elastic force to realize unidirectional locking of the slider structure, in other embodiments, the sliding block is fixedly provided with a ratchet, the ratchet is provided with a vertical surface vertical to the upper surface of the sliding block and an inclined surface which is obliquely arranged relative to the vertical surface, a jaw strip consisting of a plurality of elastic jaws is arranged on the shell, each jaw also comprises a vertical surface vertical to the jaw strip and an inclined surface inclined relative to the vertical surface, and a spring is arranged between the elastic claw and the claw strip, at the moment, when the cable is pulled, the inclined surface of the elastic claw is contacted with the inclined surface of the ratchet, the claw is compressed under the pressing action of the inclined surface of the ratchet, but the sliding block is locked when the vertical surface of the claw is contacted with the vertical surface of the ratchet. When the sliding block needs to be reset, the claw bars only need to be far away from the ratchets on the sliding block.
In this embodiment, the elasticity jack catch sets up on the last side of slider, the guide rail groove sets up on the downside of slider, the movable pulley sets up on the side of slider adjacent with elasticity jack catch place side and guide rail groove place side, in other embodiments, the elasticity jack catch sets up on the last side of slider, the guide rail sets up in the slider with last side and downside adjacent one side, at this moment, the guide rail groove sets up the one side towards the guide rail at the slider, in order to realize the direction to the slider, the guide rail groove on the slider is the dovetail, the movable pulley sets up the one side relative with guide rail groove place side at the slider.
In this embodiment, a fixed winding structure for a cable to pass around to form another folding structure is disposed at the end of the moving path of the slider on the housing, in other embodiments, the housing may not be provided with the fixed winding structure, or two sets of slider structures identical to the present embodiment are disposed on the housing, and at this time, the movable pulleys on the two sets of slider structures form a movable pulley block.
In this embodiment, the fixed winding structure is a fixed pulley rotatably mounted on the housing, and in other embodiments, the fixed winding structure may be a shaft section fixed on the housing.
In the present embodiment, the rotation axis of the fixed pulley is perpendicular to the rotation axis of the movable pulley, in other embodiments, the rotation axis of the fixed pulley is perpendicular to the bottom surface of the housing and the rotation axis of the movable pulley is also perpendicular to the bottom surface of the housing, and at this time, the slider which is movably engaged with the guide rail is disposed below the movable pulley.
In this embodiment, the casing is a rectangular box body, and both ends of the rectangular box body in the length direction are respectively provided with a threading channel for a cable to penetrate in and out.
In the embodiment, the guide rail is a linear guide rail, in other embodiments, the guide rail is a wavy guide rail, the fluctuation of the wavy guide rail is small at the moment, the cable is prevented from being separated from the movable pulley in the winding and unwinding processes, the elastic reset structure is not provided with a guide rod at the moment, a rubber band is only fixed at the head end of the moving path of the sliding block, and the other end of the rubber band is fixed on the sliding block.
In this embodiment, the guide rail is provided on the guide rail frame, but in other embodiments, the guide rail may not be provided on the guide rail frame, and a guide rod for guiding the slider is provided below the guide rod of the guide rail frame.
Claims (5)
1. A cable telescoping device is characterized by comprising a shell, wherein the shell is a rectangular box body, two ends of the rectangular box body in the length direction are respectively provided with a threading channel for a cable to penetrate in and out, a sliding block structure is movably and movably arranged on the shell, the sliding block structure is provided with a movable winding structure for the cable to bypass so that the cable forms a reverse structure, the shell is provided with a fixing structure for fixing the cable on one side of the reverse structure, the shell is provided with an elastic resetting structure for providing elastic acting force for the sliding block structure to enable the sliding block structure to move towards the head end of a moving path of the sliding block structure, when in use, the cable on one side of the reverse structure far away from the fixing structure is pulled, the sliding block structure can overcome the elastic acting force of the elastic resetting structure and can move towards the tail end of the moving path of the sliding block structure, and the, the unlocking and locking structure is characterized in that the sliding block structure can reset and retract a cable under the action of the elastic resetting structure, the sliding block structure comprises a sliding block which is movably matched with the guide rail in a guiding way and a movable pulley which is fixed on the sliding block, and the movable pulley forms the movable winding structure; a rectangular frame enclosed by an upper side edge, a lower side edge, a left side edge and a right side edge is arranged in the shell, the guide rail is arranged on the lower side edge of the rectangular frame, and the sliding block is positioned in the rectangular frame; the elastic reset structure comprises a guide rod which is arranged in parallel with the linear guide rail and penetrates through the sliding block and a reset spring which is sleeved on the guide rod, the guide rod is positioned between the upper side edge and the lower side edge of the rectangular frame, two ends of the guide rod are respectively connected with the left side edge and the right side edge of the rectangular frame, and the movable pulley is positioned at one end of the rectangular frame in an initial state; still be equipped with on the casing at the terminal position in slider moving path and supply the cable to walk around and form the fixed pulley of inflection structure, the fixed pulley is located one side around the rectangular frame to be located the one end of keeping away from the movable pulley of casing, the axis of rotation of fixed pulley is perpendicular with the axis of rotation of movable pulley.
2. The cable retractor device of claim 1 wherein the locking structure is a ratchet-pawl type one-way locking structure and stops the slider structure in the direction of return of the slider structure.
3. The cable retractor device of claim 2 wherein the pawl of the locking structure is a resilient pawl disposed on the slider structure, the housing has a ratchet bar disposed along the path of movement of the slider structure, and the resilient pawl is resiliently engageable with the ratchet of the ratchet bar to effect unidirectional locking of the slider structure.
4. A cable retractor according to claim 3, wherein the slider structure comprises a slider block, the resilient fingers are provided on the slider block, the resilient fingers and the guide engagement structure of the slider block for engaging the guide track are provided on opposite sides of the slider block, and the travelling winding structure is provided on a side adjacent to the side on which the resilient fingers are provided and the side on which the guide engagement structure is provided.
5. The cable retractor of claim 1 wherein the guide is a linear guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906694.8A CN110790093B (en) | 2019-09-24 | 2019-09-24 | Cable telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906694.8A CN110790093B (en) | 2019-09-24 | 2019-09-24 | Cable telescoping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110790093A CN110790093A (en) | 2020-02-14 |
| CN110790093B true CN110790093B (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910906694.8A Active CN110790093B (en) | 2019-09-24 | 2019-09-24 | Cable telescoping device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110790093B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906767A (en) * | 2022-05-30 | 2022-08-16 | 安徽中邦特种电缆科技有限公司 | Cable lifting device for mast |
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| CN1876446A (en) * | 2005-06-09 | 2006-12-13 | 清华大学 | Pretightened automobile seat safety belt system with stroke enlarging function |
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| Publication number | Publication date |
|---|---|
| CN110790093A (en) | 2020-02-14 |
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