CN2829988Y - tool attachment - Google Patents

Abstract

The improved tool connecting device includes one seat, one ratchet mechanism and one driving part, the seat has one ratchet mechanism and one driving part set separately, and the ratchet mechanism has one control disc with one work rod and one first stop, one second stop connected to the work rod and one radially symmetrical control key.

Description

tool attachment

1. Technical field

The utility model relates to a tool, in particular to a tool connection device which is installed on a ring wrench and can also function as a ratchet for the ring wrench.

2. Background technology

Existing tool connecting device, as shown in the No. 500024 of the approved Taiwan Patent Announcement "tool clamping device (two)", as shown in Figure 9, it is to comprise a joint 7, and this joint 7 is arranged in sequence There is a card part 71, a polygonal joint part 72, a catch part 73, and a ring groove 74 is radially recessed in the joint part 72, and a quick release group 75 is arranged in the center of the joint part 7, and the quick release group 75 A steel ball 76 on the outside of the detent part 73 can be controlled, so that the steel ball 76 can protrude and be positioned or retracted, and a C-shaped clip 8 is provided for the clip 8 to fit on the outside of the card slot 74, and the clip The fixing part 8 is bent and provided with several locking parts 82 and limiting parts 81 .

When assembled in the Torx wrench 6, the polygonal joint 72 can be fitted into the Torx hole 61 of the Torx wrench 6 according to the change of the angle, and the clamping portion 71 abuts against the top surface of the surrounding wall of the Torx hole 61 to provide The limiting part 81 and the locking part 82 of the clamping member 8 can prop up the wall surface of the coupling part 7 and the Torx hole 61, so that the coupling part 7 can be combined with the Torx wrench 6 and the stop part 73 can be provided for sleeve sleeve use.

When used with a ring wrench, the aforementioned clamping device generally only has a fixed function, and can only rotate in one direction when used, but cannot change the rotation direction of the ring wrench. When the ring wrench rotates to the limit, the ring wrench must be picked up. Then re-twist the lock, which increases the inconvenience of the user and is very troublesome when used, making the practicability of the clamping device relatively poor.

3. Contents of utility model

The main purpose of the utility model is to overcome the above-mentioned shortcomings existing in existing products, and provide a tool connecting device, which has a ratchet function and can change the driving direction of the ratchet.

The second object of the present utility model is to provide a tool connecting device. After the ratchet positioning mechanism is combined with the transmission part through the second accommodating groove, the C-shaped ring is used to engage with the C-shaped buckle groove to form the utility model. When the control panel is pressed down, the second copper ball shrinks inward, which can have the effect of quick release.

Another object of the present utility model is to provide a tool connection device. One side of the polygonal column is provided with a groove, and a first steel ball and a first spring are arranged in the groove, and the inner diameter of the closed part of the groove is smaller than that of the first The outer diameter of a steel ball enables one side of the first steel ball to be exposed or retracted into the groove for positioning in the plum blossom hole, which can reduce loosening and shaking.

The purpose of this utility model is achieved by the following technical solutions.

The tool connecting device of the utility model is characterized in that it comprises:

A seat body, the protruding part of one end of the seat body is set as a card part, and the other end is set as a polygonal column, which can be sleeved on the wrench. The seat body is provided with an accommodating space in the axial direction, and the accommodating space extends from the card part to the polygonal column The direction has a first accommodating chamber and a ratchet section in sequence;

A ratchet positioning mechanism, which is accommodated in the accommodation space of the seat body, has a control panel, and a working rod is protruded from the control panel, and the working rod is connected to a second stopper and a radially symmetrical control key, A third elastic body is sheathed on one end of the working rod adjacent to the control panel;

A transmission part, one end of which is set as a coupling part for combining with the accommodation space of the seat body, and the other end is set as a connection part, and the joint part has a left accommodation chamber and a right accommodation chamber parallel to the radial direction , the left accommodating chamber is provided with a first detent and a fourth elastic body, and the right accommodating chamber is provided with a second detent and a fifth elastic body for the control keys on the working rod to engage with each other, the transmission A second accommodating groove is provided axially through the member, and a section of the second accommodating groove adjacent to the joint portion forms a large diameter portion for the third elastic body to accommodate, and a large diameter portion is formed between the large diameter portion and the second accommodating groove. A blocking part is used to control the third elastic body, and a plurality of positioning holes are arranged at equal intervals on the end face of the joint part for positioning.

In the aforementioned tool connecting device, one side of the polygonal column is provided with a groove for inserting a first elastic body and a first steel ball.

In the aforementioned tool connecting device, there is a C-shaped buckle groove between the first accommodating chamber and the ratchet segment.

In the aforementioned tool connection device, one end of the working rod is a first block.

The aforementioned tool connection device further includes a second accommodating chamber arranged in the radial direction of the control disk for accommodating a positioning device.

In the aforementioned tool connection device, the positioning device is a positioning pin and a second elastic body.

In the aforementioned tool connecting device, a first accommodating groove extending radially from the connecting portion is used for inserting a second steel ball, and the second steel ball is attached to the first block.

In the above-mentioned tool connecting device, the joint part is provided with a card slot, and the card slot is used for engaging with the C-shaped buckle groove of the seat body, and for fitting a C-shaped ring.

In the aforementioned tool connection device, the positioning holes are respectively left positioning hole, right positioning hole and middle positioning hole.

In the aforementioned tool connecting device, the connecting part is a sleeve head.

In the aforementioned tool connecting device, the positioning holes are all spherical holes.

In the aforementioned tool connection device, the elastic body is a spring.

In the aforementioned tool connection device, the first elastic body is a spring.

In the aforementioned tool connection device, the second elastic body is a spring.

The beneficial effect of the tool connecting device of the utility model is that it comprises: a base body, the protruding part of one end of the base body is set as a clamping part, and the other end is set as a polygonal column for being sleeved on a wrench, and an accommodation space is provided in the axial direction of the base body , the accommodating space has a first accommodating chamber and a ratchet section sequentially from the card part to the direction of the polygonal column; a ratchet positioning mechanism is accommodated in the accommodating space of the seat body, and has a control panel, the control panel A working rod is protrudingly provided, and the working rod is connected to the second stopper and a radially symmetrical control key, and a third elastic body is sleeved on one end of the working rod adjacent to the control panel; body accommodating space, the other end is set as a connecting part, the connecting part has a left accommodating chamber and a right accommodating chamber respectively parallel to the radial direction, the left accommodating chamber is provided with a first detent and a fourth elastic body, the A second bayonet pin and a fifth elastic body are arranged in the right accommodation chamber for engaging the control key on the working rod. One section forms a large-diameter portion for the third elastic body to accommodate, and a blocking portion is formed between the large-diameter portion and the second accommodating groove for controlling the third elastic body. hole for positioning. It has a ratchet function and can change the driving direction of the ratchet; when the ratchet positioning mechanism is combined with the transmission part through the second accommodation groove, the C-shaped ring is used to engage with the C-shaped buckle groove. When the control panel is pressed down, the first The two copper balls shrink inward, which has the effect of quick release; one side of the polygonal column is provided with a groove, and the first steel ball and the first spring are arranged in the groove, and the inner diameter of the closed part of the groove is smaller than the outer diameter of the first steel ball, so that the One side of the first steel ball can be exposed or retracted into the groove for positioning in the plum blossom hole to reduce looseness and shaking.

4. Description of drawings

Figure 1 is an exploded perspective view of the utility model.

Fig. 2 is a sectional view of the combined structure of the utility model.

Fig. 3 is a schematic diagram of an embodiment of the utility model.

Fig. 4 is a three-dimensional schematic diagram of an embodiment of the utility model.

Fig. 5 is a schematic view of the utility model in use.

Fig. 6 is a schematic view of the utility model in use state-action.

Fig. 7 is another action schematic diagram of the utility model in use state.

Fig. 8 is another schematic diagram of the action of the utility model in use.

FIG. 9 is an exploded perspective view of a three-dimensional structure of a conventional clamping device for tools.

Description of main symbols in the figure

Parts of prior art: 6 torx wrench, 61 torx hole, 7 joint, 71 clamp, 72 joint, 73 stop, 74 slot, 75 quick release group, 76 steel ball, 8 clamp, 81 limiter , 82 card catch department.

Parts of the utility model: 1 tool connection device, 2 base body, 21 clamping part, 22 polygonal column, 23 groove, 231 first spring, 232 first steel ball, 24 accommodation space, 241 first accommodation chamber, 242 buckle Slot, 243 ratchet section, 3 ratchet positioning mechanism, 31 control panel, 32 working rod, 321 first block, 322 second block, 323 left control key, 324 right control key, 325 third spring, 311 second Accommodating chamber, 312 Positioning pin, 313 Second spring, 4 Transmission member, 41 Combination part, 42 Connecting part, 411 Left accommodating chamber, 412 Right accommodating chamber, 413 First bayonet pin, 414 Fourth spring, 415 No. Two bayonet pins, 416 fifth spring, 421 first accommodation groove, 422 second steel ball, 43 bayonet groove, 5 is a C-shaped ring, 44 second accommodation groove, 442 middle positioning hole, 443 left positioning hole, 444 right positioning hole.

5. Specific implementation

Referring to Fig. 1 to Fig. 8, the selected embodiment structure of the utility model is for illustration only, and is not limited by this structure in the patent application.

The tool connection device of this embodiment, as shown in Figures 1 to 2, includes: a seat body 2, the protruding part of one end of the seat body 2 is set as a clamping part 21, and the other end is set as a polygonal column 22 for sleeve Set on the torx wrench, one side of the polygonal column 22 is provided with a groove 23 for inserting a first spring 231 and a first steel ball 232 for being stuck in the torx hole of the torx wrench. There is an accommodating space 24 in the direction, and the accommodating space 24 is sequentially provided with: a first accommodating chamber 241 , a C-shaped buckle groove 242 and a ratchet segment 243 from the clamping portion 21 to the polygonal column 22 .

A ratchet positioning mechanism 3, which has a control panel 31, the control panel 31 is provided with a working rod 32, one end of the working rod 32 is a first block 321, followed by a second block connected with the working rod 32 322 and a radially symmetrical control key 323, 324, a third spring 325 is sheathed at one end of the working rod 32 adjacent to the control panel, and a second accommodating chamber 311 is arranged radially on the control panel 31 for accommodating a positioning pin 312 and a second spring 313.

A transmission part 4, one end of the transmission part 4 is set as a joint part 41 for combining with the accommodating space 24 of the seat body 2, and the other end is set as a connection part 42, and the joint part 41 is respectively provided with a A left accommodation chamber 411 and a right accommodation chamber 412, the left accommodation chamber 411 is provided with a first detent 413 and a fourth spring 414, and the right accommodation chamber 412 is provided with a second detent 415 and a fifth spring 416 for engaging the left control key 323 and the right control key 324 on the working rod 32; the connecting portion 42 extends radially with a first accommodating groove 421 for inserting a second steel ball 422, and the The second steel ball 422 is affixed to the first block 321; the joint part 41 is provided with a card slot 43, and the card slot 43 is for engaging with the C-shaped buckle groove 242 of the seat body 2, for a C-shaped ring 5 to fit, and the transmission part 4 A second accommodating groove 44 is provided axially through, and a section of the second accommodating groove 44 adjacent to the joint portion 41 forms a large-diameter portion for accommodating a third spring 325, and the large-diameter portion and the second A blocking part 441 is formed between the accommodation grooves 44 for controlling the third spring 325; the end face of the joint part 41 extends upwards and is provided with a middle positioning hole 442, a left positioning hole 443 and a right positioning hole 444 at equal intervals for positioning the positioning pin 312; The tool connecting device 1 of the present invention is constituted by the above structure.

When the utility model is applied to the torx wrench 6, as shown in Figure 3 and Figure 4, the torx wrench 6 is provided with a torx hole 61, and the tool connecting device 1 can be penetrated in the torx hole 61, so that the polygonal column 22 can resist the first steel ball 232 through the first spring 231, so as to be engaged in the relative polygonal hole of the plum blossom hole 61, so that the clamping part 21 can lean against the peripheral wall surface of the plum blossom hole 61, increasing the tool connection device 1 The positioning effect installed on the ring wrench 6 can reduce sliding and have a more tightly combined effect.

When the utility model is put into the ring wrench 6 and used, as shown in Figure 5, since the ratchet positioning mechanism 3 is installed in the second accommodating groove 44, the positioning pin 312 of the control panel 31 is normally abutted against the joint 41 middle positioning hole 442, and the left and right control keys 323, 324 on the working rod 32 are respectively stuck against the first bayonet 413 and the second bayonet 415 on the joint 41, and by means of the fourth spring 414 and The effect of the fifth spring 416 makes the first bayonet 413 and the second bayonet 415 protrude from the top of the joint 41 and engage with the ratchet segment 243 in the accommodation space 24 of the base body 2, so that the ring wrench 6 can The connecting device 1 can be rotated clockwise or counterclockwise.

When the control panel 31 is rotated clockwise, as shown in FIG. 6 , the positioning pin 312 of the control panel 31 is rotated clockwise and will abut against the right fixed hole 444 of the joint part 41, and the right accommodating chamber of the joint part 41 The second detent 415 in 412 compresses the fifth spring 416 downward due to the rotation of the right control key 324, and the fourth spring 414 springs up radially due to the simultaneous rotation of the left control key 323. A detent 413 rises radially, and the ratchet 243 in the accommodating space 24 of the detent body 2 can form a ratchet effect to achieve the function of the ring wrench 6 to change the direction of rotation.

When the control panel 31 rotates counterclockwise, as shown in FIG. 7 , the positioning pin 312 of the control panel 31 is also rotated, and will abut against the left positioning hole 443 of the joint part, and the left accommodating chamber 411 of the joint part 41 The first bayonet 413 in the inside compresses the fourth spring 414 downward due to the rotation of the left control key 323, and because the right control key 324 rotates at the same time, the fifth spring 416 springs up radially, and the right accommodating groove The second detent 415 of 412 rises in the radial direction, and the ratchet 243 in the accommodating space 24 of the top seat body 2 can form a ratchet effect to achieve the function of the ring wrench 6 to change the direction of rotation.

When changing the tool, as shown in Figure 8, depressing the control panel 31 can make the first stop part 441 in the second capacity groove 44 of the transmission member 4 compress the third spring 325, so that the second steel ball 422 falls into the first stop Between the block 321 and the second block 322, the blocking effect of the connecting portion 42 disappears, and the effect of quick tool replacement can be achieved.

In summary, the utility model has the following effects: 1, change the driving direction. The utility model can drive two control keys and two bayonet pins through the rotation of the control disc, and then forms a ratchet effect through the meshing with a ratchet segment, so that the ring wrench has a ratchet effect, and the driving direction can be changed at will during use, which has greater practicality. sex. 2. Quick release function. Compared with the prior art, the connecting device of the utility model has better positioning effect, and the steel ball on the connecting part can be retracted by pressing the control panel, and it has the function of quick release, allowing the user to replace the sleeve Faster when barreling.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, All still belong to within the scope of the technical solution of the utility model.

Claims (14)

1. A tool connection device, characterized in that it comprises: A seat body, the protruding part of one end of the seat body is set as a card part, and the other end is set as a polygonal column, which can be sleeved on the wrench. The seat body is provided with an accommodating space in the axial direction, and the accommodating space extends from the card part to the polygonal column The direction has a first accommodating chamber and a ratchet section in sequence; A ratchet positioning mechanism, which is accommodated in the accommodation space of the seat body, has a control panel, and a working rod is protruded from the control panel, and the working rod is connected to a second stopper and a radially symmetrical control key, A third elastic body is sheathed on one end of the working rod adjacent to the control panel; A transmission part, one end of which is set as a coupling part for combining with the accommodation space of the seat body, and the other end is set as a connection part, and the joint part has a left accommodation chamber and a right accommodation chamber parallel to the radial direction , the left accommodating chamber is provided with a first detent and a fourth elastic body, and the right accommodating chamber is provided with a second detent and a fifth elastic body for the control keys on the working rod to engage with each other, the transmission A second accommodating groove is provided axially through the member, and a section of the second accommodating groove adjacent to the joint portion forms a large diameter portion for the third elastic body to accommodate, and a large diameter portion is formed between the large diameter portion and the second accommodating groove. A blocking part is used to control the third elastic body, and a plurality of positioning holes are arranged at equal intervals on the end face of the joint part for positioning. 2 . The tool connection device according to claim 1 , wherein a groove is provided on one side of the polygonal column for inserting a first elastic body and a first steel ball. 3. The tool connection device according to claim 1, characterized in that there is a C-shaped buckle groove between the first accommodating chamber and the ratchet segment. 4. The tool connection device according to claim 1, wherein one end of the working rod is a first stopper. 5 . The tool connection device according to claim 1 , further comprising a second accommodating chamber radially provided on the control panel for accommodating a positioning device. 6. The tool connection device according to claim 5, wherein the positioning device is a positioning pin and a second elastic body. 7. The tool connecting device according to claim 1, characterized in that, a first accommodating groove extending radially from the connecting portion is used for inserting a second steel ball, and the second steel ball is attached to the first stop piece. 8 . The tool connecting device according to claim 1 , wherein the coupling part is provided with a card slot for engaging with a C-shaped buckle groove of the seat body and for fitting a C-shaped ring. 9. The tool connection device according to claim 1, wherein the positioning holes are respectively a left positioning hole, a right positioning hole and a middle positioning hole. 10. The tool connection device according to claim 1, wherein the connection part is a socket head. 11. The tool connecting device according to claim 1, wherein the positioning holes are all spherical holes. 12. The tool connecting device according to claim 1, wherein the elastic body is a spring. 13. The tool connection device according to claim 2, wherein the first elastic body is a spring. 14. The tool connection device according to claim 6, wherein the second elastic body is a spring.

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