CN211804195U

CN211804195U - Pipe cutting device for office chair

Info

Publication number: CN211804195U
Application number: CN202020150227.5U
Authority: CN
Inventors: 朱志军
Original assignee: Xuzhou Lingxiu Furniture Co ltd
Current assignee: Xuzhou Lingxiu Furniture Co ltd
Priority date: 2020-02-03
Filing date: 2020-02-03
Publication date: 2020-10-30
Anticipated expiration: 2030-02-03

Abstract

The utility model belongs to the technical field of office chair processing technology, especially, be a tubular product cutting device for office chair, to most office chairs in the course of working or use tubular product, and tubular product will use cutting device in the course of working, the length of general tubular product cutting device tubular product cutting is not convenient for adjust, can only cut into the tubular product of same kind of length, and the lower problem of application scope puts forward following scheme now, and it includes the base, the top fixed mounting of base has the cutting case, and the front side of cutting case is the opening setting, and the top of base is rotated and is installed the bottom of two first screw rods, and threaded mounting has the fixing base on two first screw rods, and bolt fixedly connected with motor is passed through at the top of fixing base. The utility model discloses under the cooperation of motor, first sprocket and second sprocket, cut office chair tubular product, simple structure, the simple operation, labour saving and time saving improves work efficiency.

Description

Pipe cutting device for office chair

Technical Field

The utility model relates to an office chair processing technology field especially relates to a tubular product cutting device for office chair.

Background

An office chair refers to various chairs which are convenient for work in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair, the narrow office chair refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a guest-meeting chair, a staff chair, a conference chair, a visitor chair, a training chair and the like.

Most office chairs are in the processing process or use pipes, the pipes can be used for the cutting device in the processing process, the pipe cutting length of the general pipe cutting device is not convenient to adjust, the pipes can only be cut into the same length, the application range is low, and therefore the pipe cutting device for the office chairs is provided for solving the problems.

Disclosure of Invention

The utility model aims at solving most office chairs in the course of working or using tubular product, and tubular product will use cutting device in the course of working, and the length of general tubular product cutting device tubular product cutting is not convenient for adjust, can only cut into the tubular product of same kind of length, the lower shortcoming of application scope, and the tubular product cutting device for office chair who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pipe cutting device for an office chair comprises a base, wherein a cutting box is fixedly installed at the top of the base, the front side of the cutting box is provided with an opening, the top of the base is rotatably provided with the bottom ends of two first screw rods, a fixed seat is installed on the two first screw rods in a threaded manner, the top of the fixed seat is fixedly connected with a motor through bolts, one end of a rotating rod is fixedly connected onto an output shaft of the motor, the other end of the rotating rod extends into the cutting box and is fixedly provided with a cutting knife, one side of the cutting box is provided with a rectangular hole, the top of the cutting box is rotatably provided with the bottom end of a second screw rod, first chain wheels are fixedly installed at the top ends of the first screw rods and the top end of the second screw rod, the first chain wheels are meshed with the same first chain, a driven bevel gear is fixedly installed on the second screw rod, a driving bevel gear is meshed with the, one side movable mounting of cutting case has the take-up pulley, the meshing has same second chain on second sprocket and the take-up pulley, threaded connection has the top of L shaped plate on the second screw rod, the bottom of L shaped plate extends to the cutting incasement and the movable sleeve is established on the dwang, slidable mounting has the bottom of two carriage release levers on the bottom inner wall of cutting case, the top fixed mounting of carriage release lever has the U-shaped plate, the front side threaded connection of U-shaped plate has the bolt, threaded connection has the one end of same third screw rod on two carriage release levers to rotate and install on one side inner wall of cutting case, the third screw rod gets the opposite side and the fixedly connected with handle that the other end extends to the cutting case.

Preferably, the bottom ends of the two first screws are fixedly provided with inner rings of first bearings, the outer rings of the first bearings are fixedly arranged on the base, the bottom ends of the second screws are fixedly provided with inner rings of second bearings, and the outer rings of the second bearings are fixedly arranged at the top of the cutting box, so that the rotation of the first screws and the second screws is realized.

Preferably, the drive bevel gear and a second chain wheel connected to the drive bevel gear are fixedly provided with a connecting rod, the connecting rod is movably sleeved with the top end of a limiting rod, the bottom end of the limiting rod is fixedly connected to the cutting box, and the drive bevel gear and the second chain wheel connected to the drive bevel gear synchronously rotate and are unchanged in position.

Preferably, one side of the cutting box is provided with a first groove, the tensioning wheel is slidably mounted in the first groove, one end of the spring is fixedly mounted in the first groove, the other end of the spring is fixedly mounted on the sliding plate, the sliding plate is movably abutted against the tensioning wheel, and after the tensioning wheel moves, the tensioning wheel automatically resets under the action of the spring.

Preferably, the inner wall of the bottom side of the cutting box is provided with two second grooves, and the bottom end of the moving rod is slidably mounted in the second grooves, so that the moving rod can move.

Preferably, all be equipped with the screw hole on the top of L shaped plate, the front side of two U-shaped plates and two carriage bars, bolt threaded connection is in the screw hole of U-shaped plate, and third screw rod threaded connection is in the screw hole of carriage bar, and second screw rod threaded connection realizes the L shaped plate in the top screw hole of L shaped plate, the removal of bolt and carriage bar.

In the utility model, a tubular product cutting device for office chair, at first place tubular product in the U-shaped board, screw up the bolt, rotate the crank, make the third screw rod rotate, make the carriage release lever move to the place of waiting to cut, turn on the motor, make the dwang rotate, drive the cutting knife and rotate, cut tubular product, the dwang drives the second sprocket and rotates, the take-up pulley moves to the front side under the effect of second chain, the drive bevel gear that is connected with the second sprocket rotates, drive bevel gear drives driven bevel gear and rotates, second screw rod rotates and drives L-shaped board and move down, drive the dwang and move down, second screw rod rotates and drives first sprocket and rotates, under the effect of first chain, drive two first screws and rotate, thereby drive the fixing base and move down in step, accomplish the cutting to tubular product, after the tubular product cutting is accomplished, close the motor, unscrew the bolt, taking out the cut pipe;

the utility model discloses under the cooperation of motor, first sprocket and second sprocket, cut office chair tubular product, simple structure, the simple operation, labour saving and time saving improves work efficiency.

Drawings

Fig. 1 is a schematic structural view of a pipe cutting device for office chairs according to the present invention;

fig. 2 is a side view of a pipe cutting device for office chairs according to the present invention;

FIG. 3 is a top view of the tube cutting device for office chairs according to the present invention;

FIG. 4 is a cross-sectional view of the pipe cutting device for office chairs according to the present invention;

fig. 5 is a schematic structural view of a part a of the pipe cutting device for office chairs according to the present invention;

fig. 6 is a schematic structural diagram of a part B of the pipe cutting device for office chairs according to the present invention.

In the figure: 1. a base; 2. cutting the box; 3. a first screw; 4. a fixed seat; 5. a motor; 6. rotating the rod; 7. a cutting knife; 8. a second screw; 9. an L-shaped plate; 10. a first sprocket; 11. a first chain; 12. a drive bevel gear; 13. a driven bevel gear; 14. a second sprocket; 15. a tension wheel; 16. a second chain; 17. a travel bar; 18. a U-shaped plate; 19. a bolt; 20. a third screw; 21. c, shaking the hand; 22. a limiting rod; 23. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, a pipe cutting device for office chairs comprises a base 1, a cutting box 2 is fixedly installed on the top of the base 1, the front side of the cutting box 2 is provided with an opening, the top of the base 1 is rotatably installed with the bottom ends of two first screw rods 3, a fixed seat 4 is installed on the two first screw rods 3 in a threaded manner, the top of the fixed seat 4 is fixedly connected with a motor 5 through bolts, one end of a rotating rod 6 is fixedly connected to an output shaft of the motor 5, the other end of the rotating rod 6 extends into the cutting box 2 and is fixedly installed with a cutting knife 7, one side of the cutting box 2 is provided with a rectangular hole, the top of the cutting box 2 is rotatably installed with the bottom end of a second screw rod 8, first chain wheels 10 are fixedly installed on the top ends of the first screw rods 3 and the top end of the second screw rod 8, a plurality of first chain wheels 10 are engaged with a same first, driven bevel gear 13 goes up the meshing has drive bevel gear 12, equal fixed mounting has second sprocket 14 on one side of drive bevel gear 12 and the dwang 6, one side movable mounting of cutting case 2 has take-up pulley 15, the meshing has same second chain 16 on second sprocket 14 and the take-up pulley 15, threaded connection has the top of L shaped plate 9 on the second screw rod 8, the bottom of L shaped plate 9 extends to in the cutting case 2 and the movable sleeve is established on dwang 6, slidable mounting has the bottom of two carriage release levers 17 on the bottom inner wall of cutting case 2, the top fixed mounting of carriage release lever 17 has U-shaped plate 18, the front side threaded connection of U-shaped plate 18 has bolt 19, the one end that threaded connection has same third screw rod 20 on two carriage release levers 17 rotates and installs on one side inner wall of cutting case 2, third screw rod 20 obtains the other end and extends to the opposite side and the fixedly connected with hand crank 21 of cutting case 2.

In this embodiment, the bottom fixed mounting of two first screws 3 has the inner circle of first bearing, and the outer lane fixed mounting of first bearing is on base 1, and the bottom fixed mounting of second screw 8 has the inner circle of second bearing, and the rotation of first screw 3 and second screw 8 is realized at the top of cutting case 2 to the outer lane fixed mounting of second bearing.

In this embodiment, the drive bevel gear 12 and the second sprocket 14 connected to the drive bevel gear 12 are fixedly provided with a connecting rod, the connecting rod is movably sleeved with the top end of the limiting rod 22, the bottom end of the limiting rod 22 is fixedly connected to the cutting box 2, and the drive bevel gear 12 and the second sprocket 14 connected to the drive bevel gear 12 rotate synchronously and are unchanged in position.

In this embodiment, a first groove is formed in one side of the cutting box 2, the tension wheel 15 is slidably mounted in the first groove, one end of the spring 23 is fixedly mounted in the first groove, the other end of the spring 23 is fixedly mounted on the sliding plate, and the sliding plate movably abuts against the tension wheel 15, so that the tension wheel 15 automatically resets under the action of the spring 23 after moving.

In this embodiment, be equipped with two second recesses on the bottom side inner wall of cutting box 2, the bottom slidable mounting of carriage release lever 17 realizes the removal of carriage release lever 17 in the second recess.

In this embodiment, all be equipped with the screw hole on the top of L shaped plate 9, the front side of two U-shaped plates 18 and two carriage bars 17, bolt 19 threaded connection is in the screw hole of U-shaped plate 18, and third screw 20 threaded connection is in the screw hole of carriage bar 17, and second screw 8 threaded connection is in the top screw hole of L shaped plate 9, realizes L shaped plate 9, the removal of bolt 19 and carriage bar 17.

In the utility model, firstly, the pipe is placed in the U-shaped plate 18, the bolt 19 is tightened, the handle 21 is rotated to rotate the third screw 20, the movable rod 17 is moved to the place to be cut, the motor 5 is turned on to rotate the rotary rod 6, the cutter 7 is driven to rotate to cut the pipe, the rotary rod 6 drives the second chain wheel 14 to rotate, the tension wheel 15 moves to the front side under the action of the second chain 16, the drive bevel gear 12 connected with the second chain wheel rotates, the drive bevel gear 12 drives the driven bevel gear 13 to rotate, the second screw 8 rotates to drive the L-shaped plate 9 to move downwards, the rotary rod 6 is driven to move downwards, the second screw 8 rotates to drive the first chain wheel 10 to rotate, under the action of the first chain 11, the two first screws 3 are driven to rotate, thereby the fixing seat 4 is driven to move downwards synchronously, the cutting of the pipe is finished, after the cutting of the pipe is finished, the motor 5 is turned off, the bolt 19 is unscrewed, and the cut tube is taken out.

Claims

1. The utility model provides a tubular product cutting device for office chair, which comprises a base (1) and is characterized in that, the top fixed mounting of base (1) has cutting case (2), the front side of cutting case (2) is the opening setting, the top of base (1) is rotated and is installed the bottom of two first screw rods (3), threaded mounting has fixing base (4) on two first screw rods (3), the top of fixing base (4) is through bolt fixedly connected with motor (5), the one end of dwang (6) is fixedly connected with on the output shaft of motor (5), the other end of dwang (6) extends to in cutting case (2) and fixedly installs cutting knife (7), one side of cutting case (2) is equipped with the rectangular hole, the top of cutting case (2) is rotated and is installed the bottom of second screw rod (8), the top of first screw rod (3) and the top of second screw rod (8) all fixed mounting have first sprocket (10), the chain wheel type cutting machine is characterized in that the first chain wheels (10) are meshed with the same first chain (11), the second screw rods (8) are fixedly provided with driven bevel gears (13), the driven bevel gears (13) are meshed with driving bevel gears (12), one sides of the driving bevel gears (12) and the rotating rods (6) are fixedly provided with second chain wheels (14), one sides of the cutting boxes (2) are movably provided with tensioning wheels (15), the second chain wheels (14) and the tensioning wheels (15) are meshed with the same second chain (16), the second screw rods (8) are in threaded connection with the top ends of L-shaped plates (9), the bottom ends of the L-shaped plates (9) extend into the cutting boxes (2) and are movably sleeved on the rotating rods (6), the bottom ends of the two moving rods (17) are slidably mounted on the inner wall of the bottom of the cutting boxes (2), the top ends of the moving rods (17) are fixedly provided with U-shaped plates (18), and the front side of the U-shaped plates (, one end of the third screw rod (20) which is connected with the same third screw rod (20) through threads on the two moving rods (17) is rotatably arranged on the inner wall of one side of the cutting box (2), and the other end of the third screw rod (20) extends to the other side of the cutting box (2) and is fixedly connected with a handle (21).

2. The office chair pipe cutting device as claimed in claim 1, wherein the bottom ends of the two first screw rods (3) are fixedly provided with the inner rings of first bearings, the outer rings of the first bearings are fixedly arranged on the base (1), the bottom ends of the second screw rods (8) are fixedly provided with the inner rings of second bearings, and the outer rings of the second bearings are fixedly arranged on the top of the cutting box (2).

3. The office chair pipe cutting device as claimed in claim 1, wherein a connecting rod is fixedly arranged on the drive bevel gear (12) and the second chain wheel (14) connected to the drive bevel gear (12), the connecting rod is movably sleeved with the top end of a limiting rod (22), and the bottom end of the limiting rod (22) is fixedly connected to the cutting box (2).

4. The office chair tube cutting device according to claim 1, wherein a first groove is formed in one side of the cutting box (2), the tension wheel (15) is slidably mounted in the first groove, one end of the spring (23) is fixedly mounted in the first groove, the other end of the spring (23) is fixedly mounted on the sliding plate, and the sliding plate movably abuts against the tension wheel (15).

5. An office chair tube cutting device as claimed in claim 1, characterized in that the cutting box (2) is provided with two second grooves on the inner wall of the bottom side, and the bottom end of the moving rod (17) is slidably mounted in the second grooves.

6. The office chair pipe cutting device as claimed in claim 1, wherein threaded holes are formed in the top end of the L-shaped plate (9), the front sides of the two U-shaped plates (18) and the two moving rods (17), a bolt (19) is screwed in the threaded hole of the U-shaped plate (18), a third screw (20) is screwed in the threaded hole of the moving rod (17), and a second screw (8) is screwed in the top threaded hole of the L-shaped plate (9).