CN114678798A

CN114678798A - Communication cable cutting device

Info

Publication number: CN114678798A
Application number: CN202210300342.XA
Authority: CN
Inventors: 王江汉; 田绍川
Original assignee: Chongqing Telecommunication Polytechnic College
Current assignee: Chongqing Telecommunication Polytechnic College
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-06-28

Abstract

The invention belongs to the technical field of cable cutting equipment, and particularly relates to a communication cable cutting device which comprises a fixed knife and a movable knife, wherein a half gear ring is arranged on the movable knife, a connecting seat is arranged on the fixed knife, a first pull rod is arranged on the connecting seat, an adjusting ratchet group is arranged on the fixed knife, a second pull rod is connected on the adjusting ratchet group, the adjusting ratchet group comprises a U-shaped base frame, a second mounting shaft is arranged on the U-shaped base frame, a gear and a transmission roller are arranged on the second mounting shaft, a turbine is arranged on the transmission roller, an installation frame is arranged on the U-shaped base frame, a worm is arranged on the installation frame, the worm is connected with the second pull rod, a blind hole is arranged on the gear, a ratchet is arranged in the blind hole, a pawl groove is arranged on the transmission roller, a pawl is hinged in the pawl groove, a spring connected with the pawl is arranged in the pawl groove, a containing groove is arranged on the second pull rod, and a driving lever is hinged on the containing groove, the ratchet type cutting knife is used for solving the problem that the existing ratchet type cutting knife is difficult to be opened and closed in a narrow area to use by a large margin.

Description

Communication cable cutting device

Technical Field

The invention belongs to the technical field of cable cutting equipment, and particularly relates to a communication cable cutting device.

Background

The communication cable is used for transmitting telephone, telegraph, facsimile document, TV and radio program, data and other electric signals, and is formed by twisting more than one pair of mutually insulated conducting wires.

When the communication engineering construction is carried out, in order to meet the actual construction condition, the communication cable is often required to be cut into corresponding lengths, so that the communication cable can be suitable for the actual construction condition. Present thorn formula cable cutter is as comparatively cutting equipment commonly used, and can drive the activity tool bit and deepen gradually and cut the end cable through shaking one of them pull rod, nevertheless to the cable maintenance in-process of having laid, can be under construction in comparatively constrictive space often, be not convenient for the pulling open and shut by a wide margin and lead to cutting efficiency extremely low, and the operation promptly for inconvenient, current thorn formula cutter is difficult to normal use.

Disclosure of Invention

Based on the problems mentioned in the background art, the invention provides a communication cable cutting device, which is used for solving the problem that the existing ratchet type cutter is difficult to be greatly opened and closed in a narrow area.

The technical scheme adopted by the invention is as follows:

a communication cable cutting device comprises a fixed knife and a movable knife which are mutually hinged through a first installation shaft, wherein a half gear ring is arranged on the movable knife, a connection seat is arranged on the fixed knife, a first pull rod is arranged on the connection seat, an adjusting ratchet group is arranged on the fixed knife, a second pull rod is connected on the adjusting ratchet group, the adjusting ratchet group comprises a U-shaped base frame, a second installation shaft is arranged on the U-shaped base frame, a gear and a transmission roller are arranged on the second installation shaft, the transmission roller is fixedly connected with the second installation shaft, a turbine is arranged on the transmission roller, an installation frame is arranged on the U-shaped base frame, a worm is arranged on the installation frame, the worm is connected with the second pull rod, a blind hole is arranged on the gear, a ratchet is arranged in the blind hole, a pawl groove is arranged on the transmission roller, and a pawl is hinged in the pawl groove, the pawl groove is internally provided with a spring connected with the pawl, the second pull rod is provided with an accommodating groove, and the accommodating groove is hinged with a deflector rod. And the second pull rod can be moved simultaneously or rotated to drive the gear to rotate in one direction to drive the movable knife to cut the cable.

On the basis of the technical scheme, the invention also improves the following steps:

further, a positioner with the same shape as the movable knife is arranged on the second mounting shaft, an arc-shaped strip hole and a sliding groove are arranged on the positioner, an arc block is arranged in the arc strip hole, a limiting rod is arranged on the arc block, first limiting blocks are arranged on the arc block and positioned at two sides of the positioner, the positioner is provided with a slide block, the slide block is provided with a first positioning block and a second positioning block, the first positioning block is positioned in the chute, a second limiting block matched with the arc-shaped strip hole is arranged between the first positioning block and the second positioning block, a push plate is arranged on the slide block, an adjusting seat is arranged on the positioner, an adjusting screw rod is arranged on the adjusting seat, the movable knife is provided with an adjusting sliding groove corresponding to the limiting rod, and when the positioner coincides with the movable knife, one end of the adjusting sliding groove, far away from the adjusting ratchet group, is attached to the limiting rod. The position of the sliding block is changed through the adjusting screw rod, so that the positioner and the movable cutter are staggered when one end of the adjusting sliding chute is attached to the limiting rod; the cable size is measured by locator and stationary knife and is matchd by oneself, and the cutting depth can be adjusted through the position that changes the movable block to locator and movable sword dislocation yardstick promptly movable sword's cutting depth promptly, rotates the stationary knife after will cutting depth is fixed and can carry out the circular cutting to the cable and skin, applicable in the cutting of the cable of not unidimensional and the circular cutting of different line skins is peeled off.

Furthermore, a first magnetic block is embedded on the first positioning block and is in tangential contact with the arc-shaped block. The first positioning block can move along with the arc-shaped block when moving under the action of the first magnetic block.

Further, length marks are arranged on the positioner. The moving distance of the sliding block can be more intuitively known through length marking, so that the cutting depth can be better adjusted.

Furthermore, a magnetic ring is arranged on the positioner. The locator cover is established and can be prevented through the magnetic ring that the locator drops after the second installation axle, and is comparatively convenient when needs dismantle the locator simultaneously.

Furthermore, a hexagonal column is arranged on the worm, a hexagonal sleeve matched with the hexagonal column is arranged on the second pull rod, a second magnetic block is installed in the hexagonal sleeve, a clamping groove is formed in the connecting seat, a clamping block matched with the clamping groove is installed on the first pull rod, and a third magnetic block is embedded in the clamping block. First pull rod and second pull rod all can comparatively easy dismantlement and installation, facilitate the use.

Further, the first pull rod and the second pull rod are telescopic rods. The length of first pull rod and second pull rod is convenient for use cutting device in comparatively narrow and small space.

Furthermore, the driving lever comprises an integrally formed lever body, a mounting seat and a fixing seat, the mounting seat is hinged in the accommodating groove, a fourth magnetic block is embedded in the mounting seat and the fixing seat, a positioning block is installed in the accommodating groove, and a convex block is installed on the fixing seat. When the shifting rod is hidden in the accommodating groove, the fourth magnetic block is used for fixing the shifting rod to prevent shaking from influencing the opening and closing of the first pull rod and the second pull rod; when the shifting rod is pulled out, the fourth magnetic block is used for sucking the positioning block to fix, and the shifting rod is convenient to use when the second pull rod is rotated.

The invention has the beneficial effects that:

the movable knife rotates to contact with the adjusting ratchet group to clamp the cable, and then the second pull rod is pulled to open and close the second pull rod and the first pull rod repeatedly, so that the movable knife can be gradually rotated to cut off the cable; when the second pull rod and the first pull rod are not convenient to open and close due to the fact that the cable cutting device is used in an environment with a small space, the second pull rod can be rotated by pulling out the poking rod to drive the worm to rotate to drive the worm wheel, and the worm wheel drives the gear to rotate to drive the movable knife to rotate to cut off the cable.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a first schematic structural diagram of a communication cable cutting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a communication cable cutting device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a positioner according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a portion of the assembly of the positioner in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a movable block according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a communication cable cutting apparatus with the locator removed according to an embodiment of the present invention;

FIG. 7 is a schematic longitudinal sectional view of a second tie bar according to an embodiment of the present invention;

FIG. 8 is a schematic view of a connecting structure of the adjusting ratchet set and the half-ring gear according to the embodiment of the present invention;

FIG. 9 is a first schematic longitudinal sectional view of a connecting structure of an adjusting ratchet set and a half ring gear according to an embodiment of the present invention;

FIG. 10 is a second schematic longitudinal sectional view of the connecting structure of the adjusting ratchet set and the half ring gear according to the embodiment of the present invention;

the main element symbols are as follows:

the cutting tool comprises a fixed cutter 1, a first cutting edge 11, a movable cutter 12, a second cutting edge 121, a half gear ring 13, a connecting seat 14, a clamping groove 15, an adjusting sliding groove 16, a first pull rod 21, a clamping block 211, a second pull rod 22, a hexagonal sleeve 221, a second magnetic block 222, a receiving groove 223, a shifting lever 23, a rod body 231, an installation seat 232, a fixed seat 233, a protruding block 234, a positioning block 24, an adjusting ratchet set 3, a U-shaped base frame 31, an installation frame 311, a second installation shaft 32, a gear 33, a ratchet 331, a transmission roller 34, a pawl groove 341, a pawl 342, a spring 343, a turbine 35, a worm 36, a hexagonal column 361, a positioner 4, a length marking 40, an arc-shaped strip hole 41, a sliding groove 42, an adjusting seat 43, a magnetic ring 44, an adjusting screw 45, an arc-shaped block 46, a limiting rod 461, a sliding block 47, a first positioning block 471, a second positioning block 472, a push plate 473, a second limiting block 474, and a first magnetic block 475.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1 to 10, a communication cable cutting device comprises a fixed knife 1 and a movable knife 12 hinged to each other through a first mounting shaft 10, the fixed knife 1 and the movable knife 12 are respectively provided with a first blade 11 and a second blade 121, a cable can be cut off when the fixed knife 1 and the movable knife 12 are gradually folded, the movable knife 12 is provided with a half-gear ring 13, the fixed knife 1 is provided with a connecting seat 14, the connecting seat 14 is provided with a first pull rod 21, the fixed knife 1 is provided with an adjusting ratchet group 3, the movable knife 12 is driven to move in a one-way manner through the adjusting ratchet group 3, the adjusting ratchet group 3 is connected with a second pull rod 22, the adjusting ratchet group 3 comprises a U-shaped base frame 31, the U-shaped base frame 31 is provided with a second mounting shaft 32, the second mounting shaft 32 is provided with a gear 33 and a driving roller 34, the driving roller 34 is fixedly connected with the second mounting shaft 32, the driving roller 34 is provided with a turbine 35, the U-shaped mounting frame 31 is provided with a base frame 311, the worm 36 is mounted on the mounting frame 311, the worm 36 is connected with the second pull rod 22, a blind hole is formed in the gear 33, a ratchet 331 is arranged in the blind hole, a pawl groove 341 is formed in the transmission roller 34, a pawl 342 is hinged in the pawl groove 341, a spring 343 connected with the pawl 342 is mounted in the pawl groove 341, the worm 36 can be driven to rotate by rotating the second pull rod 22 to drive the turbine 35 to rotate, the gear 33 is driven by the turbine 35 to rotate in a single direction, a storage groove 223 is formed in the second pull rod 22, and a shift lever 23 is hinged on the storage groove 223.

Specifically, the second mounting shaft 32 is provided with a positioner 4 having the same shape as the movable knife 12, the positioner 4 is provided with a magnetic ring 44, the positioner 4 can be prevented from falling off by the magnetic ring 44 after the positioner 4 is sleeved on the second mounting shaft 32, and meanwhile, the positioner 4 is convenient to disassemble; the positioner 4 is provided with an arc-shaped strip hole 41 and a sliding groove 42, an arc-shaped block 46 is arranged in the arc-shaped strip hole 41, a limiting rod 461 is arranged on the arc-shaped block 46, first limiting blocks 462 are arranged on the arc-shaped block 46 at two sides of the positioner 4, a sliding block 47 is arranged on the positioner 4, a first positioning block 471 and a second positioning block 472 are arranged on the sliding block 47, the first positioning block 471 is positioned in the sliding groove 42, a second limiting block 474 matched with the arc-shaped strip hole 41 is arranged between the first positioning block 471 and the second positioning block 472, a push plate 473 is arranged on the sliding block 47, an adjusting seat 43 is arranged on the positioner 4, an adjusting screw 45 is arranged on the adjusting seat 43, an adjusting sliding groove 16 corresponding to the limiting rod 461 is arranged on the movable knife 12, one end of the adjusting sliding groove 16 far away from the adjusting ratchet group 3 is attached to the limiting rod 461 when the positioner 4 coincides with the movable knife 12, the position of the sliding block 47 is changed through the adjusting screw 45, so that the positioner 4 is dislocated with the movable knife 12 when one end of the adjusting chute 16 is attached to the limiting rod 461; the cable size is measured by the positioner 4 and the fixed knife 1 to be matched automatically, the dislocation scale of the positioner 4 and the movable knife 12 is the cutting depth of the movable knife 12, namely the cutting depth can be adjusted by changing the position of the movable block 47, the cable can be subjected to circular cutting and peeling by rotating the fixed knife 1 after the cutting depth is fixed, and the cable stripping device is suitable for cutting cables with different sizes and circular cutting and peeling of different cable sheaths; a first magnetic block 475 is embedded in the first positioning block 471, the first magnetic block 475 is in tangential contact with the arc-shaped block 46, and the first positioning block 471 can move with the arc-shaped block 46 along with the first magnetic block 475; the moving distance of the sliding block 47 can be known more intuitively, so that the cutting depth can be adjusted better, and the length mark 40 is arranged on the positioner 4.

Specifically, a hexagonal column 361 is arranged on the worm 36, a hexagonal sleeve 221 matched with the hexagonal column 361 is arranged on the second pull rod 22, a second magnetic block 222 is installed in the hexagonal sleeve 221, a clamping groove 15 is formed in the connecting seat 14, a clamping block 211 matched with the clamping groove 15 is installed on the first pull rod 21, and a third magnetic block is embedded in the clamping block 211. The first pull rod 21 and the second pull rod 22 can be easily disassembled and assembled, and are convenient to use; the first pull rod 21 and the second pull rod 22 are telescopic rods, and the lengths of the first pull rod 21 and the second pull rod 22 are convenient for using the cutting device in a narrow space; the driving lever 23 comprises an integrally formed lever body 231, a mounting seat 232 and a fixing seat 233, the mounting seat 232 is hinged in the accommodating groove 223, a fourth magnetic block is embedded in the mounting seat 232 and the fixing seat 233, a positioning block 24 is installed in the accommodating groove 223, a convex block 234 is installed on the fixing seat 233, the driving lever 23 is fixed by the fourth magnetic block when being hidden in the accommodating groove 223 to prevent shaking to influence the opening and closing of the first pull rod 21 and the second pull rod 22, the positioning block 24 is sucked by the fourth magnetic block when the driving lever 23 is pulled out, and the driving lever is convenient to rotate the second pull rod 22.

When the cable needs to be cut, the positioner 4 is taken down, the cable is placed on the fixed knife 1, the movable knife 12 is rotated to enable the semi-gear ring 13 to be meshed with the gear 33 until the movable knife 12 is contacted with the cable, and then the second pull rod 22 is pulled to drive the transmission roller 34 to drive the gear 33 to rotate in a single direction so that the movable knife 12 gradually moves to cut off the cable; when the operation is performed in a narrow space, the rod 231 is pulled out and the mounting seat 232 and the positioning block 24 are magnetically fixed, then the rod 231 rotates the second pull rod 22 to drive the worm 36 to rotate, and the worm 36 drives the worm wheel 35 to rotate the driving gear 33 to rotate so as to move the movable knife 12 for cutting.

When the cable needs to be stripped and connected, the positioner 4 is installed, the position of the sliding block 47 is changed through the adjusting screw rod 45, so that a distance (the distance is the cutting depth) is formed between the limiting rod 461 and one end, originally attached to the arc-shaped strip hole 41, of the push plate 473 when contacting the adjusting screw rod 45, the movable knife 12 and the positioner 4 are rotated to cooperate with the fixed knife 1 to clamp the cable, the movable knife 12 and the positioner 4 are overlapped, the limiting rod 461 and one end, not contacting the movable knife 12, of the adjusting chute 16 can continuously move at the moment, the movable knife 12 can be cut by changing the position through the rotating gear 33, the cable is stopped after the cutting depth, and finally, the fixed knife 1 is rotated to wind the cable for one circle to cut off the skin of the cable for stripping.

The communication cable cutting device provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a communication cable cutting device, includes through first installation axle (10) mutual articulated stationary knife (1) and movable sword (12), be equipped with half ring gear (13) on movable sword (12), install connecting seat (14) on stationary knife (1), install first pull rod (21) on connecting seat (14), install on stationary knife (1) and adjust ratchet group (3), be connected with second pull rod (22), its characterized in that on adjusting ratchet group (3): the adjusting ratchet group (3) comprises a U-shaped base frame (31), a second installation shaft (32) is installed on the U-shaped base frame (31), a gear (33) and a transmission roller (34) are installed on the second installation shaft (32), the transmission roller (34) is fixedly connected with the second installation shaft (32), a turbine (35) is installed on the transmission roller (34), an installation frame (311) is arranged on the U-shaped base frame (31), a worm (36) is installed on the installation frame (311), the worm (36) is connected with a second pull rod (22), a blind hole is formed in the gear (33), a ratchet (331) is arranged in the blind hole, a pawl groove (341) is formed in the transmission roller (34), a pawl (342) is hinged in the pawl groove (341), a spring (343) connected with the pawl (342) is installed in the pawl groove (341), and a storage groove (223) is formed in the second pull rod (22), the accommodating groove (223) is hinged with a shifting lever (23).

2. The communication cable cutting apparatus according to claim 1, wherein: the second mounting shaft (32) is provided with a positioner (4) with the same shape as the movable knife (12), the positioner (4) is provided with an arc-shaped strip hole (41) and a sliding groove (42), an arc-shaped block (46) is mounted in the arc-shaped strip hole (41), a limiting rod (461) is mounted on the arc-shaped block (46), first limiting blocks (462) are arranged on the arc-shaped block (46) and positioned on two sides of the positioner (4), a sliding block (47) is mounted on the positioner (4), a first positioning block (471) and a second positioning block (472) are arranged on the sliding block (47), the first positioning block (471) is positioned in the sliding groove (42), a second limiting block (474) matched with the arc-shaped strip hole (41) is mounted between the first positioning block (471) and the second positioning block (472), a push plate (473) is arranged on the sliding block (47), and an adjusting seat (43) is arranged on the positioner (4), adjusting screw (45) are installed on the adjusting seat (43), an adjusting sliding groove (16) corresponding to the limiting rod (461) is formed in the movable knife (12), and one end, away from the adjusting ratchet set (3), of the adjusting sliding groove (16) is attached to the limiting rod (461) when the positioner (4) and the movable knife (12) are overlapped.

3. The communication cable cutting apparatus according to claim 2, wherein: a first magnetic block (475) is embedded in the first positioning block (471), and the first magnetic block (475) is in tangential contact with the arc-shaped block (46).

4. The communication cable cutting apparatus according to claim 3, wherein: and the positioner (4) is provided with a length mark (40).

5. The communication cable cutting apparatus according to claim 4, wherein: and a magnetic ring (44) is arranged on the positioner (4).

6. The communication cable cutting apparatus according to claim 1, wherein: be equipped with hexagonal column (361) on worm (36), be equipped with on second pull rod (22) with hexagonal column (361) assorted hexagonal sleeve (221), install second magnetic block (222) in hexagonal sleeve (221), draw-in groove (15) have been seted up on connecting seat (14), install on first pull rod (21) with draw-in groove (15) assorted fixture block (211), the embedding is equipped with the third magnetic block on fixture block (211).

7. The communication cable cutting apparatus according to claim 6, wherein: the first pull rod (21) and the second pull rod (22) are telescopic rods.

8. The communication cable cutting apparatus according to claim 7, wherein: deflector rod (23) include integrated into one piece's the body of rod (231), mount pad (232) and fixing base (233), mount pad (232) articulate in accomodating groove (223), all inlay in mount pad (232) and fixing base (233) and be equipped with the fourth magnetic path, install locating piece (24) in accomodating groove (223), install lug (234) on fixing base (233).