CN212123370U

CN212123370U - Telescopic cutter

Info

Publication number: CN212123370U
Application number: CN201921622494.1U
Authority: CN
Inventors: 谢燕华
Original assignee: Changzhou Boyu Cnc Tool Co ltd
Current assignee: Changzhou Boyu Cnc Tool Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-12-11
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a scalable cutter belongs to cutter technical field. The utility model is provided with the driving motor, so that the blade can automatically enter and exit from the telescopic knife shell; when the cutter is used under the condition of no electricity, the sleeve is held by one hand, and then the telescopic cutter protective shell is rotated, the blade can also move out of the telescopic cutter protective shell, so that the practicability of the telescopic cutter is stronger; through mutually supporting through first internal thread and external screw thread, the second internal thread is mutually supported with the hob, is provided with two sets of screw-thread fit to avoid appearing the condition of smooth silk easily between the individual layer screw thread.

Description

Telescopic cutter

Technical Field

The utility model relates to a cutter especially relates to a scalable cutter, belongs to cutter technical field.

Background

In daily life, a cutter is an indispensable tool, and common handheld cutters mainly comprise a folding cutter, a sheathed cutter and a telescopic cutter; the existing retractable cutters are generally characterized in that a blade can be pushed out and pulled in a sliding groove of a sleeve type handle, so that the extending length of the blade and the opening and closing of the cutters can be freely regulated and controlled according to the needs of working occasions. The current blade all realizes the flexible of blade through manual pushing forward or manual pushing backward, and it is convenient inadequately to use, does not have spare blade moreover, and the specification of blade is single to make scalable cutter use and have certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a telescopic cutter, which is provided with a driving motor, so that a blade can automatically enter and exit from a telescopic cutter shell; when the cutter is used under the condition without electricity, the sleeve is held by one hand, and then the blade can be moved out from the telescopic cutter protective shell by rotating the telescopic cutter protective shell, so that the telescopic cutter is stronger in practicability.

The purpose of the utility model can be achieved by adopting the following technical scheme:

a telescopic cutter comprises a telescopic cutter protecting shell, a battery box arranged at one end of the telescopic cutter protecting shell and a sleeve integrally formed at the other end of the telescopic cutter protecting shell, a blade storage groove is arranged on one side of the telescopic knife protection shell, a protection cover is arranged on one end of the telescopic knife protection shell far away from the battery box through a screw rod, a rotating rod is arranged in the telescopic knife protective shell, one end of the rotating rod penetrates through the sleeve and is fastened with a mounting plate through a screw rod, a blade is integrally formed on one side of the mounting plate, a graduated scale is arranged on the blade, a driving motor is arranged on the inner side of one end of the telescopic knife protection shell far away from the sleeve, the output end bearing of the driving motor is provided with a screw rod, the rotating rod is internally provided with a thread groove, one end of the screw rod is inserted into the inner side of the thread groove, and the screw rod is matched with the thread groove.

Preferably, the outer side of the blade storage groove is provided with a sliding door plate, the inner walls of the two sides of the blade storage groove are provided with sliding grooves, and the sliding door plate is slidably arranged between the sliding grooves.

Preferably, install the installation base on the telescopic knife protecting crust, it has fastening hook to articulate on the installation base, install the handle on the sliding door board, fastening hook with the handle is mutually supported.

Preferably, the inside integrated into one piece of flexible sword protecting crust has first internal thread, the outside integrated into one piece of bull stick has the external screw thread, first internal thread with the external screw thread is mutually supported.

Preferably, a second internal thread is arranged on the inner wall of the thread groove, and the second internal thread is matched with the screw rod.

Preferably, the one end rotation of battery case installs portable knot, portable knot can be the annular shape, also can be the G shape, the hinge is installed to the one end department screw of flexible sword protecting crust, the protective cover with flexible sword protecting crust passes through the hinge and connects.

Preferably, the telescopic knife protective shell is provided with a switch button, the switch button is electrically connected with the driving motor, and the switch button is connected with a power supply battery

The utility model has the advantages of:

1. the utility model provides a telescopic cutter, which is provided with a driving motor, so that a blade can automatically enter and exit from the telescopic cutter shell; when the cutter is used under the condition without electricity, the sleeve is held by one hand, and then the blade can be moved out from the telescopic cutter protective shell by rotating the telescopic cutter protective shell, so that the telescopic cutter is stronger in practicability.

2. The utility model provides a pair of scalable cutter mutually supports through first internal thread and external screw thread, and the second internal thread is mutually supported with the hob, is provided with two sets of screw-thread fit to avoid appearing the condition of smooth silk easily between the individual layer screw thread.

3. The utility model provides a pair of scalable cutter is provided with in the blade hold up tank through the one side at flexible sword protecting crust, and has placed the blade of the different specifications of multiunit in the blade hold up tank, and it is when needs change the blade, opens and takes out the blade that needs to use, because mounting panel and bull stick screw rod fastening lift the mounting panel off from the one end of bull stick, passes through the screw rod with the blade that needs to use and installs on the bull stick to the convenient blade is changed.

Drawings

Fig. 1 is a perspective view of a preferred embodiment of a retractable knife in accordance with the present invention;

fig. 2 is a view of the inside structure of a protection housing for a telescopic knife according to a preferred embodiment of the telescopic knife according to the present invention;

fig. 3 is an internal structure view of a telescopic knife according to a preferred embodiment of the telescopic knife according to the present invention;

fig. 4 is a schematic view of a rotary rod structure of a preferred embodiment of a retractable cutter according to the present invention;

fig. 5 is a schematic view of the external structure of the protection housing of the telescopic knife according to a preferred embodiment of the telescopic knife of the present invention.

In the figure: 1-telescopic knife protection shell, 2-battery box, 3-sleeve, 4-blade storage tank, 5-sliding door panel, 6-sliding tank, 7-mounting base, 8-fastening hook, 9-protective cover, 10-rotating rod, 11-mounting plate, 12-blade, 13-graduated scale, 14-driving motor, 15-screw rod, 16-thread groove, 17-handle, 18-first internal thread, 19-external thread, 20-second internal thread, 21-portable button and 22-switch button.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-5, the retractable knife tool provided in this embodiment includes a retractable knife protection housing 1, a battery box 2 disposed at one end of the retractable knife protection housing 1, and a sleeve 3 integrally formed at the other end of the retractable knife protection housing 1, a blade storage tank 4 disposed at one side of the retractable knife protection housing 1, a protective cover 9 mounted on one end of the retractable knife protection housing 1 away from the battery box 2 via a screw, a rotating rod 10 mounted inside the retractable knife protection housing 1, a mounting plate 11 fastened through the sleeve 3 via a screw at one end of the rotating rod 10, a blade 12 integrally formed at one side of the mounting plate 11, a scale 13 disposed on the blade 12, a driving motor 14 mounted on an inner side of one end of the retractable knife protection housing 1 away from the sleeve 3, a screw rod 15 mounted on an output end bearing of the driving motor 14, a thread groove 16 disposed inside the rotating rod 10, one end of the screw rod 15 inserted inside the thread groove 16, and the screw rod 15 is engaged with the screw groove 16.

The driving motor 14 works, the driving motor 14 rotates to drive the screw rod 15 to rotate, the screw thread on the screw rod 15 is matched with the second internal thread 20 in the thread groove 16, and meanwhile, the first internal thread 18 in the telescopic knife protection shell 1 is matched with the external thread on the outer side of the rotating rod 10, so that the rotating rod 10 moves to the outer side, the blade 12 is driven to move to the outer side, and the blade 12 is moved out of the telescopic knife protection shell 1; after the telescopic knife is used, the driving motor 14 is started to rotate reversely and positively through the switch button again, so that the blade 12 is contracted into the telescopic knife protecting shell 1, and then the protecting cover 9 is covered; when using the cutter in the condition that does not have the electricity, hold sleeve 3 on one hand, then through rotating telescopic knife protecting crust 1, through the first internal thread 19 in the telescopic knife shell 1 and the external screw thread 19 in the bull stick 10 outside mutually supporting, threaded rod 15 and the second internal thread 20 in the thread groove 16 mutually support simultaneously to come out the blade 12 from telescopic knife protecting crust 1 internal motion, after using up, only need the reversal rotation telescopic knife protecting crust 1 can.

In this embodiment: sliding door plate 5 is installed in the outside of blade hold up tank 4, is provided with sliding tray 6 on the inner wall at blade hold up tank 4 both sides, and sliding door plate 5 slidable mounting installs installation base 7 between sliding tray 6 on the telescopic knife protecting crust 1, and last articulated of installation base 7 have fastening hook 8, installs handle 17 on the sliding door plate 5, and fastening hook 8 mutually supports with handle 17.

Through the motion of handle 17 pulling sliding door panel 5 in sliding tray 6 to can play the effect of opening and shutting to blade hold up tank 4, hang on handle 17 through fastening hook 8, thereby make when need not open blade hold up tank 4, the fastening of sliding door panel is covered blade hold up tank 4, thereby guarantees that the blade 12 of using in the blade hold up tank can not drop out.

By hanging the fastening hook 8 on the handle 17, the blade storage tank 4 is covered with the sliding door panel 5 securely, and the sliding door panel 5 can be pulled by the handle.

In this embodiment: the inside integrated into one piece of telescopic knife protecting crust 1 has first internal thread 18, and the outside integrated into one piece of bull stick 10 has external screw thread 19, and first internal thread 18 and external screw thread 19 mutually support, are provided with second internal thread 20 on the inner wall of thread groove 16, and second internal thread 20 and hob 15 mutually support.

Through first internal thread 18 and external screw thread 19 mutually supporting, second internal thread 20 and hob 15 mutually support, are provided with two sets of screw-thread fit to avoid the condition that the smooth silk appears easily between the individual layer screw thread.

In this embodiment: a portable buckle 21 is rotatably mounted at one end of the battery box 2, the portable buckle 21 can be in a circular ring shape or a G shape, a hinge is mounted at one end of the telescopic knife protecting shell 1 through a screw, and the protecting cover 9 is connected with the telescopic knife protecting shell 1 through the hinge.

By providing the handy buckle 21, the carrying and storage of the knife are facilitated, and by providing the protective cover 9, the blade 12 is sealed when not in use, thereby preventing the blade 12 from falling ash and getting rusty when not in use.

In this embodiment: install shift knob 22 on the telescopic knife protecting crust 1, shift knob 22 with driving motor 14 electric connection, just be connected with the power supply battery on the shift knob 22.

The entrance and exit of the blade 12 from the inside of the telescopic shield case 1 are controlled by a switch button 22, and the driving motor 14 is powered by a battery.

As shown in fig. 1 to 5, the working process of the retractable cutter provided by this embodiment is as follows: when a cutter is needed, firstly, the protective cover 9 is opened, then the driving motor 14 is started to work through the switch button 22, the driving motor 14 rotates to drive the screw rod 15 to rotate, the screw thread on the screw rod 15 is matched with the second internal thread 20 in the thread groove 16, and meanwhile, the first internal thread 18 in the telescopic cutter protective shell 1 is matched with the external thread on the outer side of the rotating rod 10, so that the rotating rod 10 moves to the outer side, the blade 12 is driven to move to the outer side, and the blade 12 is moved out of the telescopic cutter protective shell 1; after the telescopic knife is used, the driving motor 14 is started to rotate reversely and positively through the switch button again, so that the blade 12 is contracted into the telescopic knife protecting shell 1, and then the protecting cover 9 is covered; when the cutter is used under the condition of no electricity, one hand holds the sleeve 3, then the telescopic cutter protective shell 1 is rotated, the first internal thread 19 in the telescopic cutter shell 1 is matched with the external thread 19 on the outer side of the rotating rod 10, and meanwhile, the threaded rod 15 is matched with the second internal thread 20 in the threaded groove 16, so that the blade 12 is moved out of the telescopic cutter protective shell 1, and after the telescopic cutter protective shell is used, the telescopic cutter protective shell 1 is rotated reversely; because a plurality of groups of blades 12 with different specifications are arranged in the blade storage tank 4, when the blades are required to be replaced, the blades 12 required to be used are taken out by opening the tank 4, because the mounting plate 11 is fastened with the screw rod of the rotating rod 10 so as to be replaced, the mounting plate 11 is detached from one end of the rotating rod 10, and the blades required to be used are mounted on the rotating rod 10 through the screw rod.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. A kind of extendible cutter, its characteristic is: comprises a telescopic knife protecting shell (1) and a battery box (2) arranged at one end of the telescopic knife protecting shell (1) and a sleeve (3) integrally formed at the other end of the telescopic knife protecting shell (1), wherein one side of the telescopic knife protecting shell (1) is provided with a blade storage tank (4), the telescopic knife protecting shell (1) is far away from one end of the battery box (2) and is provided with a protective cover (9) through a screw rod, a rotating rod (10) is arranged inside the telescopic knife protecting shell (1), one end of the rotating rod (10) penetrates through the sleeve (3) and is fastened with a mounting plate (11) through the screw rod, one side of the mounting plate (11) is integrally formed with a blade (12), a graduated scale (13) is arranged on the blade (12), and a driving motor (14) is arranged at the inner side of one end of the sleeve (3) far away from the telescopic knife protecting shell (1), the screw rod (15) is installed to the output end bearing of driving motor (14), the inside of bull stick (10) is provided with thread groove (16), the one end of screw rod (15) is inserted the inboard of thread groove (16), just screw rod (15) with thread groove (16) are mutually supported.

2. A retractable tool as claimed in claim 1, wherein: the outer side of the blade storage groove (4) is provided with a sliding door plate (5), the inner walls of two sides of the blade storage groove (4) are provided with sliding grooves (6), and the sliding door plate (5) is slidably arranged between the sliding grooves (6).

3. A retractable tool as claimed in claim 2, wherein: install installation base (7) on telescopic knife protecting crust (1), it has fastening hook (8) to articulate on installation base (7), install handle (17) on sliding door board (5), fastening hook (8) with handle (17) are mutually supported.

4. A retractable tool as claimed in claim 1, wherein: the utility model discloses a telescopic knife protection shell, including telescopic knife protection shell (1), the inboard integrated into one piece of bull stick (10) has first internal thread (18), the outside integrated into one piece of bull stick (10) has external screw thread (19), first internal thread (18) with external screw thread (19) mutually support.

5. A retractable tool as claimed in claim 1, wherein: and a second internal thread (20) is arranged on the inner wall of the thread groove (16), and the second internal thread (20) is matched with the screw rod (15).

6. A retractable tool as claimed in claim 1, wherein: portable knot (21) are installed in the one end rotation of battery case (2), portable knot (21) can be the annular shape, also can be the G shape, the hinge is installed to the one end department screw of flexible sword protecting crust (1), protective cover (9) with flexible sword protecting crust (1) is connected through the hinge.

7. A retractable tool as claimed in claim 1, wherein: install shift knob (22) on telescopic knife protecting crust (1), shift knob (22) with driving motor (14) electric connection, just be connected with the power supply battery on shift knob (22).