CN219900112U - Hand-held type draws and rivets device and transmission structure thereof - Google Patents

Abstract

The utility model discloses a hand-held rivet pulling device and a transmission structure thereof, wherein the transmission structure comprises: the rotary transmission device comprises a first rotary piece, a second rotary piece and a rotary transmission piece, wherein the first rotary piece is fixedly connected with an output shaft of a rotary motor, the second rotary piece is sleeved on a central shaft, the second rotary piece is fixedly connected with the central shaft, and two ends of the rotary transmission piece are rotationally connected with the first rotary piece and the second rotary piece. This drive mechanism is through installing the motor that controls the center pin rotation in the side of center pin to use the output shaft and the center pin of rotation driving medium connection motor, reduced and pulled the volume of riveting the device, solved current and pulled the device and because the great inconvenient condition of removal of overall structure, made and pulled the device of riveting and can hold the removal, thereby made and pulled the installation that the device of riveting can adapt to the rivet nut of pulling of different angles, promoted the efficiency of rivet nut installation.

Description

Hand-held type draws and rivets device and transmission structure thereof

Technical Field

The utility model relates to the technical field of rivet nut installation, in particular to a handheld rivet pulling device and a transmission structure thereof.

Background

The rivet nut is widely applied to the connection of hard thin plates and thin pipes due to the advantages of no need of tapping internal threads, no need of welding nuts and the like. The installation of the blind rivet nut requires the use of a blind rivet nut gun, and the central shaft of the blind rivet nut gun generally has two movement modes during operation, namely a pulling-up movement for pulling up the blind rivet nut for installation and a rotating movement for fixedly connecting the blind rivet nut with the end part of the central shaft, wherein the two movement modes are controlled by different motors and structures to operate. The end of the central shaft is fixedly connected with the motor by the existing rivet nut gun, the central shaft is driven to rotate by the rotation of the motor output shaft, and the motor is arranged at the upper end of the central shaft, so that the whole structure of the rivet nut gun is large, the rivet nut gun is inconvenient to move, and rivet nuts on different structures cannot be flexibly installed.

Disclosure of Invention

The utility model provides a handheld rivet pulling device and a transmission structure thereof, wherein a motor for controlling the rotation of a central shaft is arranged on the side edge of the central shaft, and a rotary transmission piece is used for connecting an output shaft of the motor and the central shaft, so that the volume of the rivet pulling device is reduced, the problem that the conventional rivet pulling device is inconvenient to move due to a large integral structure is solved, the rivet pulling device can be moved in a handheld manner, the rivet pulling device can adapt to the installation of rivet pulling nuts with different angles, and the installation efficiency of the rivet pulling nuts is improved.

The technical scheme adopted for solving the technical problems is as follows: a transmission structure of a hand-held rivet pulling device, comprising: the rotary transmission device comprises a first rotary piece, a second rotary piece and a rotary transmission piece, wherein the first rotary piece is fixedly connected with an output shaft of a rotary motor, the second rotary piece is sleeved on a central shaft, the second rotary piece is fixedly connected with the central shaft, and two ends of the rotary transmission piece are rotationally connected with the first rotary piece and the second rotary piece.

Further, the anti-friction device also comprises an anti-friction piece, wherein the anti-friction piece is sleeved on the central shaft and is fixedly connected with the central shaft, and the anti-friction piece is contacted with the second rotating piece.

Further, the second rotating piece is provided with a supporting piece, the supporting piece is fixedly connected with the second rotating piece, and the supporting piece is sleeved on the central shaft.

Further, the antifriction member and the support member are located on both sides of the second rotation member, respectively.

Further, the first rotating member, the second rotating member and the rotating transmission member are gears, and the rotating transmission member is respectively meshed with the first rotating member and the second rotating member.

Further, the outer diameter of both the antifriction member and the support member is smaller than the diameter of the root circle of the second rotating member.

The utility model also provides a handheld rivet pulling device, which comprises the transmission structure.

Further, still include frame, locating sleeve, rotate the connecting piece, locating sleeve and frame fixed connection, rotate connecting piece and locating sleeve fixed connection, the locating sleeve cover is established in the outside of center pin, rotates the connecting piece and also establishes in the outside of center pin and with center pin fixed connection.

Further, the motor connecting piece is fixedly connected with the frame, the motor connecting piece is fixedly connected with the rotating motor, the transmission fixing seat is fixedly arranged on the motor connecting piece, and the rotating transmission piece is installed on the transmission fixing seat and is rotationally connected with the transmission fixing seat.

Further, the multifunctional electric bicycle further comprises a pulling handle, a control handle and a hanging piece, wherein the pulling handle is fixedly connected with the motor connecting piece, the control handle is fixedly connected with the frame, one end of the hanging piece is fixedly connected with the frame, and the other end of the hanging piece is movably connected with the hanging frame.

Compared with the prior art, the utility model has the advantages that: the rotary transmission piece is connected with the central shaft and the output shaft of the rotary motor, so that the rotary motor can be arranged on the side surface of the central shaft, and the whole volume of the rivet pulling device is reduced; the pulling handle and the control handle are also arranged on the frame, so that the riveting device can work in a handheld manner to install the riveting nuts with different angles and different structures; and the suspension parts are also arranged on the rivet pulling device, so that the rivet pulling device can be suspended, and the manual stress is reduced.

Drawings

Fig. 1 is a schematic diagram of a transmission structure of a handheld rivet device provided by the utility model;

fig. 2 is a schematic structural diagram of a handheld rivet device provided by the utility model;

FIG. 3 is a block diagram of the connection of the drive mount and the rotary drive member;

FIG. 4 is a schematic diagram of the connection of the transmission structure to the hand-held rivet device;

FIG. 5 is a schematic view of the installation of the components on the central shaft;

reference numerals illustrate:

111-a first rotating member; 112-a second rotating member; 113-a rotary transmission; 114-antifriction members; 115-a support; 200-rotating electrical machines; 300-central axis; 310-positioning sleeve; 320-rotating the connector; 410-a frame; 420-motor connection; 430-a transmission fixing seat; 431-fixed shaft; 432-a drive bearing; 440-pulling the handle; 450-control handle; 460-suspension element.

Description of the embodiments

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown, a transmission structure of a hand-held rivet pulling device includes: the first rotating member 111, the second rotating member 112, the rotation driving member 113, the first rotating member 111 is fixedly connected with the output shaft of the rotating motor 200, the first rotating member 111 is a gear, the second rotating member 112 is fixedly connected with the central shaft 300 in a sleeved mode, the second rotating member 112 is a gear, the second rotating member 112 is fixedly connected with the central shaft 300, the supporting member 115 is arranged on the second rotating member 112 and is used for increasing the pressure bearing capacity of the second rotating member 112, the supporting member 115 is fixedly connected with the second rotating member 112, the supporting member 115 is also sleeved on the central shaft 300, the central shaft 300 is also sleeved with the antifriction member 114, the antifriction member 114 is a thrust ball bearing, the antifriction member 114 is used for reducing the friction force received by the second rotating member 112, the inner ring of the antifriction member 114 is fixedly connected with the central shaft 300, the antifriction member 114 and the supporting member 115 are respectively located on two sides of the second rotating member 112, the side face of the antifriction member 114 is in contact with the second rotating member 112, the outer diameter of the antifriction member 114 and the supporting member 115 is smaller than the diameter of a toothed circle of the second rotating member 112, the rotation driving member 113 is a gear, and the rotation driving member 113 is meshed with the first rotating member 111 and the two ends of the second rotating member 112 respectively. Further, the end of the center shaft 300 may be connected to a motor for controlling the center shaft 300 to perform a pulling-up motion so that the center shaft 300 can perform a pulling-up motion. The output shaft of the rotary motor 200 rotates to drive the first rotary member 111 to rotate, the first rotary member 111 drives the rotary transmission member 113 to rotate, the rotary transmission member 113 drives the second rotary member 112 to rotate, the central shaft 300 rotates together with the second rotary member 112, and when the central shaft 300 rotates, the threaded portion at the end of the central shaft 300 is screwed into the blind rivet nut or the blind rivet nut is screwed out.

As shown in the figure, a hand-held rivet pulling device comprises the transmission structure, a positioning sleeve 310, a rotating connecting piece 320, a frame 410, a motor connecting piece 420, a pulling handle 440, a control handle 450 and a hanging piece 460, wherein the positioning sleeve 310 is hollow and cylindrical, the rotating connecting piece 320 is a bearing, the rotating connecting piece 320 is sleeved on a central shaft 300, an inner ring of the rotating connecting piece 320 is fixedly connected with the central shaft 300, the outer wall of the rotating connecting piece 320 is fixedly connected with the inner wall of the positioning sleeve 310, the positioning sleeve 310 is sleeved on the outer side of the central shaft 300, the positioning sleeve 310 is kept motionless when the central shaft 300 rotates, and the positioning sleeve 310 and the rotating connecting piece 320 are arranged to enable the central shaft 300 to rotate around the central line at a fixed position. Further, two rotational connectors 320 are provided, and the rotational connectors 320 are located at the ends of the positioning sleeve 310. The motor connecting piece 420 is fixedly connected with the frame 410, a round hole for the output shaft of the rotating motor 200 to pass through is formed in the motor connecting piece 420, the rotating motor 200 body is fixedly connected with the motor connecting piece 420, the output shaft of the rotating motor 200 passes through the round hole in the motor connecting piece 420 from top to bottom and then is fixedly connected with the first rotating piece 111, the motor connecting piece 420 is provided with a transmission fixing seat 430, the transmission fixing seat 430 comprises a fixed shaft 431 and a transmission bearing 432, the fixed shaft 431 is fixedly connected with the motor connecting piece 420, the inner ring of the transmission bearing 432 is fixedly connected with the fixed shaft 431, and the rotating transmission member 113 is sleeved outside the transmission bearing 432 and is fixedly connected with the outer ring of the transmission bearing 432. The pull handle 440 and the control handle 450 are arranged to enable the rivet pulling device to work in a handheld manner, the pull handle 440 and the control handle 450 are respectively positioned at the left side and the right side of the central shaft 300, the pull handle 440 is fixedly connected with the motor connecting piece 420, the control handle 450 is fixedly connected with the frame 410, and a button for controlling the motor and the like in the rivet pulling device to operate is arranged on the control handle 450. The suspension member 460 is disposed at the top of the frame 410, one end of the suspension member 460 is fixedly connected with the frame 410, and the other end of the suspension member 460 is movably connected with the suspension frame.

The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.

Claims (10)

1. A transmission structure of a hand-held rivet pulling device, comprising: the rotary type electric machine comprises a first rotary piece (111), a second rotary piece (112) and a rotary transmission piece (113), wherein the first rotary piece (111) is fixedly connected with an output shaft of a rotary motor (200), the second rotary piece (112) is sleeved on a central shaft (300), the second rotary piece (112) is fixedly connected with the central shaft (300), and two ends of the rotary transmission piece (113) are rotatably connected with the first rotary piece (111) and the second rotary piece (112).

2. The transmission structure according to claim 1, further comprising an antifriction member (114), wherein the antifriction member (114) is sleeved on the central shaft (300), and the antifriction member (114) is fixedly connected to the central shaft (300), and the antifriction member (114) is in contact with the second rotating member (112).

3. The transmission structure according to claim 2, wherein a supporting member (115) is disposed on the second rotating member (112), the supporting member (115) is fixedly connected with the second rotating member (112), and the supporting member (115) is sleeved on the central shaft (300).

4. A transmission structure according to claim 3, characterized in that the antifriction elements (114) and the support elements (115) are located on either side of the second rotational element (112), respectively.

5. The transmission structure according to claim 4, wherein the first rotating member (111), the second rotating member (112) and the rotating transmission member (113) are gears, and the rotating transmission member (113) is respectively engaged with the first rotating member (111) and the second rotating member (112).

6. The transmission structure according to claim 5, characterized in that the outer diameter of both the antifriction element (114) and the support element (115) is smaller than the diameter of the root circle of the second rotating element (112).

7. A hand-held blind rivet apparatus comprising a transmission arrangement according to any one of claims 1 to 6.

8. The blind rivet apparatus of claim 7, further comprising a frame (410), a positioning sleeve (310), and a rotational connector (320), said positioning sleeve (310) being fixedly connected to said frame (410), said rotational connector (320) being fixedly connected to said positioning sleeve (310), said positioning sleeve (310) being disposed around the outside of said central shaft (300), said rotational connector (320) also being disposed around the outside of said central shaft (300) and being fixedly connected to said central shaft (300).

9. The rivet pulling device according to claim 8, further comprising a motor connecting member (420), wherein the motor connecting member (420) is fixedly connected with the frame (410), the motor connecting member (420) is fixedly connected with the rotating motor (200), a transmission fixing seat (430) is fixedly arranged on the motor connecting member (420), and the rotating transmission member (113) is mounted on the transmission fixing seat (430) and is rotatably connected with the transmission fixing seat (430).

10. The blind rivet apparatus of claim 9, further comprising a pull handle (440), a control handle (450) and a hanger (460), wherein the pull handle (440) is fixedly connected to the motor connector (420), the control handle (450) is fixedly connected to the frame (410), one end of the hanger (460) is fixedly connected to the frame (410), and the other end of the hanger (460) is movably connected to the hanger.