CN210417093U

CN210417093U - Ribbon tightening tool

Info

Publication number: CN210417093U
Application number: CN201920608435.2U
Authority: CN
Inventors: 赵长成; 林发凯; 赵长斌; 徐伟
Original assignee: Sichuan Fushiwei Electrical Equipment Co Ltd; Sichuan Jiankun Technology Co ltd
Current assignee: Sichuan Fushiwei Electrical Equipment Co Ltd; Sichuan Jiankun Technology Co ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-04-28
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a ribbon tightening tool, which comprises a holding rod, an external gear (5) and an internal gear (6); the holding rod comprises a holding rod A (2) and a holding rod B (4), a pawl shaft (202) is arranged on the holding rod A (2), and a pawl (201) is hinged to the pawl shaft (202); a main shaft (7) is fixedly arranged at one end of the holding rod B (4), the holding rod A (2) is hinged on the main shaft (7), and a torsion spring (3) is arranged between the holding rod A (2) and the holding rod B (4); the external gear (5) and the internal gear (6) are opposite in tooth direction and are both arranged on the main shaft (7); the surface of the outer gear (5) and the surface of the inner gear (6) are provided with a shell (1), and two ends of the main shaft (7) are fixedly arranged on the shell (1). The utility model discloses beneficial effect does: simple structure, convenient use, labor saving and good tensioning effect.

Description

Ribbon tightening tool

Technical Field

The utility model relates to a strapping tool field especially relates to a ribbon tightens up instrument.

Background

The ribbon is a common small bundling tool in daily life and industrial production, and has simple structure and convenient use; however, at present, the binding belt is pulled tightly by hand, so that the hand is easily injured by the rack on the binding belt, and the goods cannot be bound tightly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a simple structure, convenient to use, laborsaving and taut effectual ribbon tightening tool.

The purpose of the utility model is realized through the following technical scheme:

a ribbon tightening tool comprises a holding rod, an external gear and an internal gear; the holding rod comprises a holding rod A and a holding rod B, a pawl shaft is arranged on the holding rod A, and a pawl is sleeved on the pawl shaft; a main shaft is fixedly arranged at one end of the holding rod B, the holding rod A is hinged on the main shaft, and a torsion spring is arranged between the holding rod A and the holding rod B; the outer gear and the inner gear are opposite in tooth direction and are sleeved on the main shaft; and the surfaces of the outer gear and the inner gear are provided with shells, and two ends of the main shaft are fixedly arranged on the shells.

Furthermore, a convex limiting rod is further arranged on the holding rod, a limiting needle is arranged on the circumferential surface of one end, connected with the pawl shaft, of the pawl, and the limiting rod is arranged within the radius of the limiting needle in the anticlockwise rotating direction.

Furthermore, the shell is also provided with a groove, a discharge port and a guide strip.

Furthermore, one end of the guide strip is fixedly arranged on the shell, the other end of the guide strip is tightly attached to the tooth-direction surface of the internal gear, and the guide strip is smoothly connected with the outer wall of the discharge port.

Furthermore, the inner wall of the shell is also provided with a guide groove, and the guide groove surrounds the circumferential surface of the inner gear.

Furthermore, the holding rod A is of a Y-shaped symmetrical structure, the lower end of the holding rod A is provided with two side rods A, the tail ends of the two side rods A are fixedly provided with shaft sleeves, and the shaft sleeves are sleeved on the main shaft.

Furthermore, the holding rod B is of a Y-shaped symmetrical structure, the lower end of the holding rod B is provided with two side rods B, and the tail ends of the two side rods B are fixedly arranged on the main shaft.

Furthermore, the external gears are divided into two groups, the two groups of external gears are fixedly arranged on two end faces of the internal gear, and the diameter of the external gears is smaller than that of the internal gear.

Further, the utility model has the advantages of it is following: the whole structure is simple and reliable, the use is convenient, the labor-saving lever structure is adopted, and the tensioning effect is good.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the relationship between the binding belt and the housing;

FIG. 4 is a schematic view of the pawl structure of the present invention;

in the figure: 1-shell, 2-holding rod A, 3-torsion spring, 4-holding rod B, 5-external gear, 6-internal gear, 7-main shaft, 101-groove, 102-guide bar, 103-discharge port, 104-guide groove, 201-pawl, 202-pawl shaft, 203-limit block, 204-shaft sleeve, 205-side rod A and 401-side rod B.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

1-4, a strap tightening tool includes a grip lever, an external gear 5 and an internal gear 6; the holding rod comprises a holding rod A2 and a holding rod B4, a pawl shaft 202 is arranged on the holding rod A2, and a pawl 201 is sleeved on the pawl shaft 202; a main shaft 7 is fixedly arranged at one end of the holding rod B4, the holding rod A2 is hinged on the main shaft 7, and a torsion spring 3 is arranged between the holding rod A2 and the holding rod B4; the external gear 5 and the internal gear 6 are opposite in tooth direction and are sleeved on the main shaft 7; the surfaces of the outer gear 5 and the inner gear 6 are provided with a shell 1, and two ends of the main shaft 7 are fixedly arranged on the shell 1; the grip A2 and the grip B4 both penetrate through the housing 1, and the opening at the connection of the grip A2 and the housing 1 is longer than the length of the grip A2 in the rotation direction of the grip 2.

Furthermore, a convex limiting rod 203 is further arranged on the holding rod 2, a limiting needle is arranged on the circumferential surface of one end, connected with the pawl shaft 202, of the pawl 201, and the limiting rod 203 is arranged within the radius of the limiting needle in the counterclockwise rotation direction.

Further, the housing 1 is further provided with a groove 101, a discharge port 103 and a guide bar 102.

Furthermore, one end of the guide bar 102 is fixed on the housing 1, and the other end is tightly attached to the tooth surface of the internal gear 6, and the guide bar 102 is smoothly connected with the outer wall of the discharge port 103.

Further, the inner wall of the shell 1 is further provided with a guide groove 104, the guide groove 104 surrounds the circumferential surface of the inner gear 6, and the width of the guide groove 104 is in clearance fit with the width of the ribbon.

Further, the holding rod A2 is a Y-shaped symmetrical structure, the lower end of the holding rod is provided with two side rods a205, the ends of the two side rods a205 are both fixedly provided with a shaft sleeve 204, and the shaft sleeve 204 is sleeved on the main shaft 7.

Furthermore, the holding rod B4 is a Y-shaped symmetrical structure, the lower end of the holding rod is provided with two side rods B401, and the ends of the two side rods B401 are both fixed on the main shaft 7.

Furthermore, the external gears 5 are two groups, the two groups of external gears 5 are fixedly installed on two end faces of the internal gear 6, and the diameter of the external gears 5 is smaller than that of the internal gear 6.

The working process of the utility model is as follows: the groove 101 is abutted to the bundled object, the ribbon is manually stretched into a tightening tool along the opening of the guide groove 104, the ribbon rack is meshed with the internal gear 6, the holding rod A2 and the holding rod B4 are held and pinched, the external gear 5 drives the internal gear 6 to rotate, the ribbon continuously stretches into the tool, the ribbon is tightened, the holding rod A2 and the holding rod B4 are reset by the torsion spring 3, then the external ribbon is cut off by scissors, and the ribbon in the tightening tool is continuously held and pinched and is discharged along the discharge port 103.

Claims

1. A tie tightening tool, comprising: the electric screwdriver comprises a holding rod, an external gear (5) and an internal gear (6); the holding rod comprises a holding rod A (2) and a holding rod B (4), a pawl shaft (202) is arranged on the holding rod A (2), and a pawl (201) is sleeved on the pawl shaft (202); a main shaft (7) is fixedly arranged at one end of the holding rod B (4), the holding rod A (2) is hinged on the main shaft (7), and a torsion spring (3) is arranged between the holding rod A (2) and the holding rod B (4); the external gear (5) and the internal gear (6) are opposite in tooth direction and are sleeved on the main shaft (7); the surface of the outer gear (5) and the surface of the inner gear (6) are provided with a shell (1), and two ends of the main shaft (7) are fixedly arranged on the shell (1).

2. A tie tightening tool according to claim 1, wherein: the holding rod A (2) is also provided with a convex limiting rod (203).

3. A tie tightening tool according to claim 1, wherein: the shell (1) is also provided with a groove (101), a discharge port (103) and a guide strip (102).

4. A tie tightening tool according to claim 3, wherein: one end of the guide strip (102) is fixedly arranged on the shell (1), the other end of the guide strip is tightly attached to the tooth-direction surface of the internal gear (6), and the guide strip (102) is smoothly connected with the outer wall of the discharge port (103).

5. A tie tightening tool according to claim 1, wherein: the inner wall of the shell (1) is further provided with a guide groove (104), and the guide groove (104) surrounds the circumferential surface of the inner gear (6).

6. A tie tightening tool according to claim 1, wherein: the holding rod A (2) is of a Y-shaped symmetrical structure, the lower end of the holding rod A is provided with two side rods A (205), the tail ends of the two side rods A (205) are fixedly provided with shaft sleeves (204), and the shaft sleeves (204) are sleeved on the main shaft (7).

7. A tie tightening tool according to claim 1, wherein: the holding rod B (4) is of a Y-shaped symmetrical structure, the lower end of the holding rod B is provided with two side rods B (401), and the tail ends of the two side rods B (401) are fixedly arranged on the main shaft (7).