WO2011160447A1

WO2011160447A1 - Quick assembled and unassembled joint

Info

Publication number: WO2011160447A1
Application number: PCT/CN2011/070006
Authority: WO
Inventors: 周文华; 赵强
Original assignee: 浙江三鸥机械股份有限公司
Priority date: 2010-06-23
Filing date: 2011-01-05
Publication date: 2011-12-29
Also published as: CN201747822U

Abstract

A quick assembled and unassembled joint comprises a body (1), wherein the back end of the body (1) is provided with a shaft hole (14) in which a power output shaft (3) is inserted and a limit hole (15) which is perpendicular to the shaft hole (14). The limit hole (15) is provided with a limit part (41) which is movable relative to the power output shaft (3). The joint is further provided with a device which controls the limit part (41) to connect with or separate from the power output shaft (3). A torque force transferring pole (16) connected with the power output shaft (3) is arranged along the axis of the shaft hole (14). The joint can be quick connected with or disassembled from a machine tool or an electric drill which is provided with the power output shaft, and it also can transfer torque force stably and reliably.

Description

Description A quick and easy connection head

The utility model relates to a connector with quick loading and unloading. Background technique

In the prior art, the connector is a tool for connecting and transmitting torque, one end of which is connectable and detachable from the power output shaft, and the other end has an output head that cooperates with a tool such as a sleeve to output a torque. At present, the connection between the connector and the power output shaft is threaded, which requires one turn and one turn when connecting and disengaging, which is time consuming and troublesome; or, there is a structure that uses quick connection and disengagement, Further improvements in performance such as efficiency and stability of torque transmission are required. Summary of the invention

The technical problem to be solved by the utility model is to provide a connector with a simple structure and quick loading and unloading. To this end, the utility model adopts the following technical solutions: comprising a main body, a shaft hole for inserting a power output shaft is extended from a rear end of the main body, and a rear portion of the main body is further provided with a limit perpendicular to the shaft hole. a movable limiting member for the power output shaft is disposed in the limiting hole, and the connecting head is further provided with a device for controlling the limiting member to cooperate with the power output shaft limit and to be out of the limit matching state. a torque transmitting column connected to the power output shaft shaft along the axial direction of the shaft hole, wherein the end of the connecting head to the head is in a downward direction, and the upper end of the torque transmitting column is in the Below the limit hole.

Due to the above technical solution of the present invention, the connector provided by the utility model can be quickly connected and disassembled with a machine tool or a pistol drill equipped with a power output shaft, and the torque transmission structure is more reliable, and the connector can be improved. The quality of the work of the connected tool. DRAWINGS

Figure 1 is a front elevational view of Embodiment 1 of the present invention.

Fig. 2 is a bottom view of the embodiment 1.

Figure 3 is a cross-sectional view taken along line C-C of Figure 1.

Figure 4 is a cross-sectional view taken along line D-D of Figure 3;

Figure 5 is an exploded view of the embodiment of Figure 1.

Figure 6 is a front elevational view of Embodiment 2 of the present invention.

Fig. 7 is a bottom view of the embodiment 2.

Figure 8 is a cross-sectional view taken along line E-E of Figure 6.

Figure 9 is a cross-sectional view taken along line F-F of Figure 8.

Figure 10 is an exploded view of the embodiment of Figure 6. detailed description

Embodiment 1 Referring to Figures 1-5.

The utility model comprises a main body 1 , a shaft hole 14 for inserting a power output shaft is extended from a rear end of the main body, and a limiting hole 15 is further disposed at a rear portion of the main body, and the limiting hole is provided with a power output shaft 3 The movable limiting member 41 is further provided with means for controlling the limiting member 41 to be engaged with and decoupled from the power output shaft 3, and the shaft hole 14 is along the axis The axial direction of the hole is provided with a torque transmitting column 16 connectable to the power output shaft, the direction from the tail of the connecting head to the head is downward, and the upper end of the torque transmitting column is below the limiting hole 15 . The limiting member 41 can be in the form of a pin.

The device for controlling the limiting member to be engaged with the power output shaft limit and disengaging from the limit matching state is provided with the following structure: a slidable ring 4 on which the limiting member 41 is mounted can be pressed and manipulated a button 7 that causes the limit member to disengage the power output shaft 3 from the limit fit state, and supports the button 7 And a spring member 8 that engages the limiting member with the power output shaft after the button is released. The button 7 may be a separate component from the ring 4 or may be attached to the ring 4 to form part of the ring 4.

The button 7 and the limiting member 41 are respectively located at two sides of the main body 1. The spring member 8 is a shape-symmetrical curved spring piece, and the curved spring piece and the limiting member are on the same side of the main body. In the present embodiment, the button 7 is a separate component from the ring 4, and the ring 4 has an arcuate face that cooperates with the curved spring piece. Thus, the spring member, the ring, and the button form a stable mating relationship.

A jacket 2 is provided outside the main body, the ring 4 is located in the outer casing 2, and the outer casing 2 is provided with a support plate 22 of the ring, the spring member 8 is in the outer casing, and the button is from the hole 21 in the outer casing. The outer surface of the ring is exposed, and the outer surface of the ring and the outer surface of the outer sleeve are provided with ring-shaped sliding guiding surfaces 42, 23.

In this embodiment, a limit cover plate 5 of the ring is disposed at a rear end of the outer casing, and a support step 24 of the limit cover plate is disposed in the outer casing. The collar 6 connected to the main body is pressed against the limiting cover 5 to define the outer sleeve from the rear portion. The step on the main body defines the outer sleeve from the front portion, so that the outer sleeve cannot slide back and forth relative to the main body, and the plane on the main body prevents the outer sleeve from rotating relative to the main body. . The ring 4 is axially positioned by the limiting cover plate 5 and the support plate 22. The outer surface of the torque transmitting column 16 is coupled with the power output shaft 3, and the torque transmitting column 16 and the shaft hole 14 are provided. The annular space into which the PTO shaft is inserted. The torsion transmission column is stepped, one end of which is a torsion input part, and has a hexagonal prism shape, and the other end, that is, the torsion transmission column is a torsion output part, has a cylindrical shape, and the torsion output part is thicker than the torsion input part, The main body is provided on the inner side of the shaft hole 14 with a torque input hole 17 connected to the torque transmission column, and the positioning hole 17 is connected with the torque output portion of the torque transmission column.

The torsion output head is a square head, and a square hole 19 is provided in the square head, and the hole is provided with a spring 13 and a rolling body 12 which is protruded from the spring and protrudes on the surface of the square head.

In the present invention, the power output shaft may be an output shaft that is self-contained by the motor itself or a shaft member that is connected to the motor that can output motor power to the connector.

The power output shaft 3 includes a torque input portion at one end and a torque output portion at the other end, the outer surface of the torque output portion is matched with the shaft hole 14, and the torque output portion is provided with a torque transmission The torque input portion of the transfer column 16 is matched with a matching connection hole 32. A limit ring 33 is provided between the torque output portion and the torque input portion. A limiting groove 31 that cooperates with the limiting member 41 is also provided in a portion of the power output shaft that is in the shaft hole 14. Embodiment 2, refer to Figures 6-10.

Refer to the attached drawings. The utility model comprises a main body 1 , a shaft hole 14 for inserting a power output shaft is extended from a rear end of the main body, and a limiting hole 15 is further disposed at a rear portion of the main body, and the limiting hole is provided with a power output shaft 3 The movable limiting member is further provided with means for controlling the limiting member to be engaged with the power output shaft 3 and to be disengaged from the limit matching state, wherein the shaft hole 14 is along the shaft hole A torque transmitting column 16 connectable to the power output shaft is disposed in the axial direction, and the direction from the tail portion of the connecting head to the head is a downward direction, and the upper end of the torque transmitting column is below the limiting hole 15.

The limiting member includes a steel ball 4 at both ends and a top column 5 in the middle, so that the resistance when the power output shaft is withdrawn can be reduced.

The device for controlling the limiting component to cooperate with the power output shaft limit and the disengagement state is provided with the following structure: a positioning component disposed at the rear of the main body, and a rotatable control sleeve disposed outside the main body 2, the inner wall of the control sleeve is provided with a positioning groove that cooperates with the positioning component, and the inner wall of the control sleeve is further provided with a structure that cooperates with the limiting component to advance and retreat.

The positioning member is a steel ball 201 which is disposed in the positioning hole 18 at the rear of the main body and supported by the spring 7. The control sleeve 2 is positioned by the collar 6 on the surface of the rear of the body.

The positioning groove provided on the inner wall of the control sleeve is a positioning groove 203 and 204 matched with the positioning member steel ball 201. The positioning groove 203 is a positioning groove corresponding to the power output shaft being axially locked, and the positioning groove 204 is Corresponding to the positioning groove when the power output shaft is disengaged. The structure of the inner wall of the control sleeve that cooperates with the limiting member to advance and retreat is such that the retaining groove 205 when the limiting member retreats and the limiting member embedded in the inner wall of the control sleeve are output to the power The insert 206 in the direction of the axis. The inner wall of the control sleeve is provided with a control sleeve rotation limit button 207, and the rear portion of the main body is provided with an indexing through-hole 208 matched with the limit button. Pass limit button The cooperation of the 207 with the end wall of the indexing through-groove 208 serves to control the rotation limit of the sleeve and to prompt the rotation of the control sleeve into position.

The outer surface of the torsion transmitting column 16 is coupled to the power output shaft 3, and the torsion transmitting column 16 and the shaft hole 14 have an annular space for the power output shaft to be inserted. The torsion transmission column is stepped, one end of which is a torsion input part, and has a hexagonal prism shape, and the other end, that is, the torsion transmission column is a torsion output part, has a cylindrical shape, and the torsion output part is thicker than the torsion input part, The main body is provided on the inner side of the shaft hole 14 with a torque input hole 17 connected to the torque transmission column, and the positioning hole 17 is connected with the torque output portion of the torque transmission column.

The torsion output head is a square head, and a square hole 19 is provided in the square head, and the hole is provided with a spring 13 and a rolling body 12 which is protruded from the spring and protrudes on the surface of the square head. The power output shaft 3 of the present embodiment has the same configuration as that of the first embodiment.

When it is required to mount the connector to the power output shaft 3, the control sleeve is rotated to cause the steel ball 201 to fall into the positioning groove 204 by the action of the spring. At this time, the steel ball 4 at the outer end is aligned with the positioning groove 205, and the connector is connected. The power output shaft is inserted, and the head of the power output shaft 3 is inserted into the annular space between the torque transmitting column 16 and the shaft hole 14 to be connected with the torsion transmission column to form a transmission torque coupling, and then the control sleeve is rotated until the limit key 207 touches the rotation. The wall of the through-groove 208 is controlled by the inner cover insert 206 of the control sleeve, and the inner ball 4 is pushed into the limiting groove 31 of the power output shaft. At this time, the steel ball 201 falls into the positioning groove 203 to ensure control. The position of the sleeve is stabilized, so that the connection operation of the connector to the power output shaft is completed quickly and conveniently. When the connector needs to be detached from the power output shaft, the control sleeve is reversely rotated until the limit button 207 hits the wall of the other end of the indexing vacant slot 208. At this time, the steel ball 201 falls into the positioning slot by the action of the spring. 204, the outer end of the steel ball 4 is aligned with the retaining groove 205, when the connecting head is pulled out, the inner end of the steel ball 4 is squeezed, the top post 5, the outer end of the steel ball 4 in turn, the outer end of the steel ball 4 automatically retreats The recess 205 is seated so that the connector is quickly and easily detached from the power take-off shaft.

Claims

Claim

A connector for quick loading and unloading, comprising a main body, a shaft hole for inserting a power output shaft is extended from a rear end of the main body, and a rear hole of the main body is further provided with a limiting hole perpendicular to the shaft hole a movable limiting member for the power output shaft is disposed in the limiting hole, and the connecting head is further provided with a device for controlling the limiting member to cooperate with the power output shaft limit position and to be out of the limit matching state. The utility model is characterized in that the shaft hole is provided with a torque transmission column which can be connected with the power output shaft shaft along the axial direction thereof, and the direction from the tail portion of the connection head to the head direction is downward, and the upper end of the torque transmission column is at Below the limit hole.

2. The quick-connecting connector according to claim 1, wherein the device for controlling the limiting member to be engaged with the power output shaft and to be out of the limit matching state is provided with the following structure: a ring for mounting the limiting member, the ring is moved in an axial direction perpendicular to the connecting head, and the button can be pressed to manipulate the ring to move the limiting member and the power output shaft out of the limit matching state ,

A spring member that supports the ring and engages the limit member with the power take-off shaft after the button is released.

3 . The quick-connecting connector according to claim 2 , wherein the button and the limiting member are respectively located on two sides of the main body, and the spring member is a curved spring piece with a shape symmetry. The spring piece and the limiting member are on the same side of the body, and the ring has an arcuate surface that cooperates with the spring piece.

4. The quick-connecting connector according to claim 2, wherein a jacket is disposed outside the main body, the ring is in the outer casing, and a support plate of the ring is disposed in the outer casing, the spring The member is in the outer sleeve, the button is exposed on the surface of the outer sleeve, and the outer surface of the ring and the outer surface of the outer sleeve are provided with a ring sliding guide surface.

5 . The quick-connecting connector of claim 1 , wherein the device for controlling the limiting component to engage with the power output shaft and to be out of the limit matching state has the following structure: a positioning component disposed at a rear portion of the main body, a rotatable control sleeve disposed outside the main body, and an inner wall of the control sleeve There is a positioning groove matched with the positioning component, and the inner wall of the control sleeve is further provided with a structure that cooperates with the limiting component to advance and retreat.

6. A quick loading and unloading connector according to claim 5, wherein said limiting member comprises a steel ball at each end and a top column in the middle.

7. The quick-connecting connector according to claim 5, wherein the structure that cooperates with the limiting member to advance and retreat is a limit provided along a circumferential direction of the inner wall of the control sleeve. The retaining groove when the component is retracted and the insert embedded in the inner wall of the control sleeve to the top of the power take-off shaft.

8. The quick-connecting connector of claim 1, wherein an outer surface of the torsion transmitting column is coupled to a power output shaft, and a power supply between the torque transmitting column and the shaft hole is provided. The annular space into which the output shaft is inserted.

9. The quick-connecting connector according to claim 8, wherein the torsion transmission column is stepped, one end is a torque input portion, the other end is a torque output portion, and the torque output portion is thicker than the torque input portion. .