TW201529238A - Clamping device of penetrating type socket wrench - Google Patents

Abstract

This invention relates to a clamping device of penetrating type socket wrench which is disposed on a ratchet wheel annular seat of the wrench body. The clamping device is opened with an annular groove on the inner annular surface of the sleeving slot of the ratchet wheel annular seat for receiving an elastically expanding and closing C-ring, wherein the annular groove is formed with an expanding part having groove depth not less than the diameter of the C-ring and an inclined face part extended outwardly from the expanding part, so as to enable the C-ring to elastically expand and close in the expanding part only. Furthermore, the ratchet wheel annular seat is installed at outside with a pressing collar which is inwardly protruded with at least two pushing rods penetratingly extended to the annular groove to push the C-ring to displace. Accordingly, when the socket tool is sleevedly connected to the sleeving slot of the ratchet wheel annular seat, the C-ring can be expanded and closed to the expanding part of the annular groove to clamp the locking groove of the sleeving end of the socket tool. Further, the inclined face part of the annular groove is utilized to limit the elastically expanding of the C-ring, so that when replacing socket tool of different size, the pressing collar is used to push the C-ring to displace to the expanding part of the annular groove, so as to enable the C-ring to elastically expand and close, thereby achieving practical benefit of ensuring stable sleeving and conveniently replacing socket tool.

Description

Penetration sleeve wrench

In particular, the present invention provides a clamping device that is applied to a penetrating socket wrench so that the sleeve tool can be securely nested and replaced when the sleeve tool is socketed.

According to the so-called penetrating socket wrench, a ratchet ring seat having an inner polygonal shape is arranged at one end of the socket wrench, and the inner ratchet ring seat is provided with a hexagonal socket end. The sleeve tool allows the longer length bolt to be worn over the wrench when the disassembly nut is locked to the longer length bolt, thereby facilitating the disassembly and assembly of the nut. Since the sleeve tool is sleeved in the ratchet ring seat of the socket wrench, in order to prevent the sleeve tool from arbitrarily disengaging the ratchet ring seat of the socket wrench, a clamping device is generally arranged in the ratchet ring seat of the socket wrench, and The sleeve tool is clamped by the clamping device to meet the operator's needs. Please refer to the first and second figures, which are common penetrating socket wrenches 10. The socket wrench 10 is provided with a ratchet ring seat 11 at one end, and is provided with inner angles at the ratchet ring seat 11 The sleeve groove 111 is further provided with a ring groove 112 in the sleeve groove 111 of the ratchet ring seat 11 for mounting an elastically stretchable C-shaped clamping ring 12, a penetrating sleeve tool 20, One end of the sleeve end 201 is provided with an outer hexagonal shape, and a card slot 202 is formed at each corner of the sleeve end 201 so that the sleeve end 201 of the sleeve tool 20 is sleeved on the ratchet ring seat 11 When the sleeve 111 is inserted into the groove 111, the C-shaped clamping ring 12 can be elastically stretched and clamped to the slot 202 of the sleeve tool 20 to prevent the sleeve tool 20 from being disengaged from the sleeve groove 111 of the ratchet ring seat 11; , the elastic tensioning clamping method, in order to balance the convenience of the socket wrench 10 The sleeve tool 20 of different sizes is replaced, and the clamping force of the C-shaped clamping ring 12 cannot be excessively large, which affects the replacement of the sleeve tool 20, but the clamping force of the C-shaped clamping ring 12 is not large, and it is not only easy to cause The sway caused by the socket wrench 10 during operation causes the sleeve tool 20 to disengage from the socket wrench 10, and the sleeve tool 20 has a certain weight, and the sleeve tool 20 is inadvertently tilted by the operator. It is very easy to get out of the socket wrench 10, except for the possibility of flying out to hit the staff, or even hitting the processing equipment, hiding many potential hazards at work, so the elastic tension is clamped. It is difficult to simultaneously consider the replacement of the sleeve tool 20 and ensure that the sleeve tool 20 is securely sleeved to the socket wrench 10.

In view of this, the inventor has been engaged in research and development and production experience of related industries for many years, and has conducted in-depth research on the problems currently faced. After long-term efforts and trials, the inventors have finally developed a tool that not only facilitates the replacement of sleeve tools, Moreover, it can effectively ensure that the sleeve tool is firmly sleeved on the clamping device of the socket wrench to effectively improve the disadvantages of the prior art, which is the design aim of the present invention.

A first object of the present invention is to provide a clamping device for a penetrating socket wrench, which is provided with a ratchet ring seat at at least one end of the wrench body, and a sleeve having an inner polygonal shape is opened on the ratchet ring seat. a slotted sleeve for the socket sleeve tool, and a clamp device on the ratchet ring seat, the clamp device is provided with a ring groove on the inner ring surface of the sleeve groove of the ratchet ring seat for Accommodating an elastically stretched C-shaped clamping ring, wherein the annular groove is formed with an expansion portion having a groove depth not less than a diameter of the C-shaped clamping ring, and a slope portion extending outward from the expansion portion, so that the C-clip The ring can only be elastically stretched in the expansion portion. When the sleeve tool is sleeved on the sleeve groove of the ratchet ring seat, the C-type clamp ring can be elastically stretched in the expansion portion of the ring groove, and the sleeve of the sleeve tool is clamped. The end of the card slot, and the use of the bevel of the ring groove to limit the elastic outer extension of the C-clip ring, thereby ensuring that the sleeve tool is firmly attached to the socket wrench to prevent work hazard due to any detachment.

A second aspect of the present invention provides a clamping device for a penetrating socket wrench, wherein the outer side of the ratchet ring seat is provided with a pressing collar, and the pressing collar is convexly disposed at least two inwardly. To the ejector rod of the ring groove, to push the C-type clamping ring to move. When the socket wrench is to be replaced with a sleeve tool of different sizes, the operator can press the pressing collar and make the top of the pressing collar The rod push C-clip ring is displaced to the expansion portion of the ring groove, so that the C-type clamping ring can be elastically stretched, and the sleeve tool can be taken out, thereby achieving the practical benefit of facilitating the replacement of the sleeve tool.

Conventional part:

10‧‧‧Socket wrench

11‧‧‧ Ratchet ring seat

111‧‧‧ Sockets

112‧‧‧Circle

12‧‧‧C type clamp ring

20‧‧‧Sleeve tool

201‧‧‧ socket

202‧‧‧ card slot

Part of the invention:

30‧‧‧Wrench body

301‧‧‧ 容 部

31‧‧‧ Ratchet ring seat

311‧‧‧ ratchet

312‧‧‧ Sockets

313‧‧‧ Ring groove

3131‧‧‧Expansion Department

3132‧‧‧Bevel

314‧‧‧ mounting slots

315‧‧‧ corner slot

32‧‧‧C type clamp ring

33‧‧‧ Cover

34‧‧‧First C buckle

35‧‧‧ Pressing collar

351‧‧‧Circle Department

352‧‧‧ Mounting Department

353‧‧‧Pole

36‧‧‧Second C buckle

37‧‧‧Flexible parts

40‧‧‧Sleeve tool

401‧‧‧ socket

402‧‧‧ card slot

Figure 1: Schematic diagram of a conventional penetrating socket wrench and sleeve tool.

Figure 2: Schematic diagram of the use of a conventional penetrating socket wrench and sleeve tool.

Figure 3: An exploded schematic view of the invention.

Figure 4: Schematic diagram of the combined appearance of the present invention.

Figure 5 is a schematic cross-sectional view of the combination of the present invention.

Figure 6 is a cross-sectional view showing the ring groove and the C-shaped clamping ring of the ratchet ring seat of the present invention.

Figure 7: Schematic diagram of the action of the socket wrench socket sleeve tool of the present invention (1).

Figure 8: Schematic diagram of the action of the socket wrench socket sleeve tool of the present invention (2).

Figure 9: Schematic diagram of the action of the socket wrench socket sleeve tool of the present invention (3).

Figure 10: Schematic diagram of the action of the socket wrench socket sleeve tool of the present invention (4).

Figure 11: Schematic diagram of the action of the socket wrench socket sleeve tool of the present invention (5).

Figure 12: Schematic diagram of the action of the socket wrench replacement sleeve tool of the present invention (1).

Figure 13: Schematic diagram of the action of the socket wrench replacement sleeve tool of the present invention (2).

Figure 14: Schematic diagram of the action of replacing the socket tool of the socket wrench of the present invention (3).

In order to make the present invention more fully understood by the reviewing committee, the preferred embodiment and the drawings are described in detail below: Referring to Figures 3, 4, and 5, the clamping device of the penetrating socket wrench of the present invention is provided with a receiving portion 301 at at least one end of the wrench body 30 for mounting the ratchet ring seat 31. The outer ring surface of the ratchet ring seat 31 is provided with a ratchet tooth 311 for meshing transmission with the ratchet device. Since the ratchet device has been a well-known conventional technology and is not the focus of the present invention, it will not be described again; The ratchet ring seat 31 is further provided with an inner polygonal ferrule groove 312 for the socket sleeve tool. The sleeve groove 312 can be a hexagonal or inner twelve-corner shape. In this embodiment, The sleeve groove 312 is hexagonal, and a clamping device is disposed in the sleeve groove 312 of the ratchet ring seat 31. The clamping device is attached to the inner ring surface of the sleeve groove 312 of the ratchet ring seat 31. There is a ring groove 313, and an elastically stretchable C-shaped clamping ring 32 is received in the ring groove 313; please refer to FIG. 6 again, wherein the ring groove 313 is formed with an expansion portion 3131 and a expansion The portion 3131 extends outwardly from the inclined surface portion 3132, so that the C-shaped clamping ring 32 can be displaced between the expanded portion 3131 and the inclined surface portion 3132 of the annular groove 313. The groove depth (L) of the portion 3131 is not less than the diameter (D) of the C-shaped clamp ring 32. In the present embodiment, the groove depth (L) of the expanded portion 3131 is preferably approximately equal to the C-shaped clamp ring 32. The diameter (D) is such that the C-shaped clamping ring 32 can be elastically stretched at the position of the expanding portion 3131. As for the inclined surface portion 3132, the inclined outer surface of the C-shaped clamping ring 32 is restricted by the inclined surface thereof, so that the C is The clip ring 32 cannot be elastically stretched at the position of the slope portion 3132. Continuing to refer to the figures 3, 4, and 5, when the ratchet ring seat 31 is mounted on the receiving portion 301 of the wrench body 30, the ratchet ring seat 31 is provided by a cover 33 and a first C-shaped buckle 34. The pressing sleeve 35 is mounted on the outer side of the ratchet ring base 31. The pressing collar 35 is inwardly convexly provided with at least two through holes 313. The ejector rod 353 is displaced by the C-shaped clamping ring 32 located in the annular groove 313. In the embodiment, the pressing collar 35 has a loop portion 351 which is corresponding to the corresponding ratchet ring seat. 31 of the groove 312 Two mounting portions 352 are defined at the corners, and the top rods 353 are respectively protruded inwardly from the two mounting portions 352, and the end faces of the sleeve grooves 312 of the ratchet ring seat 31 are at least two corners. The mounting groove 314 is opened, and a corner groove 315 is formed to the ring groove 313. The ring portion 351 of the pressing collar 35 can be looped on the outer side of the ratchet ring seat 31, and the mounting portions 352 can be spanned. The mounting groove 314 of the ratchet ring seat 31 is disposed such that the jack 353 can protrude in the corner groove 315 corresponding to the ring groove 313 of the ratchet ring seat 31 to push the C-shaped clamping ring located in the ring groove 313. 32 displacement, and finally a second C-shaped buckle 36 is mounted on the outer side of the ratchet ring seat 31 to prevent the pressing collar 35 from being disengaged from the ratchet ring seat 31, in order to displace the pressing collar 35 after pushing the C-shaped clamping ring 32 The invention can be automatically reset. In the present invention, the elastic member 37 can be installed on the outer side of the ratchet ring seat 31 to elastically push the ring portion 351 of the pressing collar 35 so that the pressing collar 35 can be automatically reset.

As shown in FIG. 7 , the sleeve tool 40 of the present invention is provided with a socket end 401 having an outer hexagon shape at one end, and a card slot 402 is formed at each corner of the socket end 401 . When the sleeve tool 40 is sleeved on the sleeve groove 312 of the ratchet ring seat 31, since the C-type clamp ring 32 is in a collapsed state without being subjected to force, it protrudes from the ring groove 313 and is located. The position of the slope portion 3132 of the ring groove 313.

Referring to FIG. 8, since the C-clip ring 32 is in a collapsed state without being forced to protrude from the ring groove 313, the end of the sleeve end 401 of the sleeve tool 40 is The C-type clamping ring 32 can be contacted and pushed. Since the C-shaped clamping ring 32 is not restricted by the inclined surface portion 3132 of the ring groove 313, the end of the socket end 401 of the socket tool 40 will be pushed. The C-clip ring 32 is displaced to the position of the flared portion 3131 of the ring groove 313.

Referring to FIG. 9, when the C-clip ring 32 is displaced to the position of the expansion portion 3131 of the ring groove 313, the sleeve tool 40 is continuously pushed, due to the C type. The clamping ring 32 is abutted by the rear wall surface of the expansion portion 3131 and the expansion portion 3131 provides sufficient groove depth, and the sleeve end 401 of the sleeve tool 40 will force the C-clip ring 32 to elastically expand at the position of the expansion portion 3131. It is completely hidden in the expansion unit 3131.

Referring to FIG. 10, when the sleeve end 401 of the sleeve tool 40 is continuously pushed into the card slot 402 corresponding to the C-type clamping ring 32, the C-type clamping ring 32 will be clamped by its elastic restoring force. The sleeve 402 of the sleeve tool 40 is inserted into the sleeve groove 312 of the ratchet ring seat 31.

Referring to FIG. 11, the present invention is provided with a slope portion 3132 extending outwardly from the expansion portion 3131 of the ring groove 313. Therefore, when the sleeve end 401 of the sleeve tool 40 is moved outward, the card of the sleeve tool 40 The slot 402 will drive the C-shaped clamping ring 32 to touch the inclined surface portion 3132 of the ring groove 313. The inclined surface portion 3132 limits the elastic outer tension of the C-shaped clamping ring 32 by using the inclined surface thereof, so that the C-shaped clamping ring 32 cannot be used. The position of the inclined surface portion 3132 is elastically stretched, so that the sleeve tool 40 can no longer move to the outside, so that the sleeve tool 40 can be firmly sleeved in the ratchet ring seat 31 of the socket wrench to prevent any separation. And cause work hazards.

Referring to FIG. 12, when the socket wrench of the present invention is to be replaced with a sleeve tool of different sizes, the operator can press the loop portion 351 of the pressing collar 35 to cause the jack 353 to follow The corner groove 315 pushes the C-type clamping ring 32 to the position of the expansion portion 3131.

Referring to FIG. 13 , when the sleeve tool 40 is pulled outward, the C-clip ring 32 at the position of the expansion portion 3131 will continue to remain at the position of the expansion portion 3131 due to the abutment of the ejector rod 353. The wall surface of the slot 402 of the sleeve tool 40 will force the C-clip ring 32 to elastically flare, while the card slot 402 of the sleeve tool 40 is disengaged from the C-clamping ring 32.

Referring to Fig. 14, when the card slot 402 of the sleeve tool 40 is disengaged from the clamping of the C-clip ring 32, the sleeve tool 40 can be continuously pulled out and disengaged from the ratchet ring seat 31 for the sleeve. The sleeve wrench is replaced with a socket tool of different sizes. When the pressing collar 35 is released, the pressing collar 35 is subjected to the elastic member 37, so that the pressing collar 35 can be automatically reset, thereby facilitating the replacement of the sleeve tool. Practical benefits.

Accordingly, the present invention is a practical and progressive design, but it has not been disclosed that the same products and publications are disclosed, thereby permitting the invention patent application requirements, and applying in accordance with the law.

31‧‧‧ Ratchet ring seat

313‧‧‧ Ring groove

3131‧‧‧Expansion Department

3132‧‧‧Bevel

32‧‧‧C type clamp ring

40‧‧‧Sleeve tool

401‧‧‧ socket

402‧‧‧ card slot

Claims (8)

The utility model relates to a clamping device for a penetrating socket wrench, which comprises: a wrench body: a receiving portion is arranged at at least one end; a ratchet ring seat is installed in a receiving portion of the wrench body, and the ratchet ring seat is opened. a sleeve groove having a polygonal shape, a ring groove is formed in the ring surface of the sleeve groove, and an elastically-engaged C-shaped clamp ring is formed in the ring groove, and the ring groove is formed with a expansion portion and a ring portion a slope portion extending outwardly from the expansion portion, the groove depth of the expansion portion being not less than the diameter of the C-shaped clamping ring, causing the C-shaped clamping ring to be displaced between the expansion portion and the inclined surface portion of the ring groove; pressing the collar: Mounted on the outer side of the ratchet ring seat, the pressing collar is convexly provided with at least two ejector pins extending to the ring groove of the ratchet ring seat, and the C-clamp ring displacement in the ring groove is pushed by the ejector pin . The clamping device of the penetrating socket wrench according to the first aspect of the invention, wherein the sleeve groove of the ratchet ring seat is hexagonal or inner twelve-corner to sleeve the sleeve tool. The clamping device of the penetrating socket wrench according to the first aspect of the invention, wherein the expansion portion of the ring groove of the ratchet ring seat has a groove depth equal to the diameter of the C-shaped clamping ring. The clamping device of the penetrating socket wrench according to the first aspect of the invention, wherein the ratchet ring seat is positioned in the receiving portion of the wrench body by the cover and the first C-shaped buckle. The clamping device of the penetrating socket wrench according to the first aspect of the invention, wherein the pressing collar has a ring portion disposed on the outer side of the ratchet ring seat, and the ring portion is corresponding to the ratchet At least two mounting portions extend from the corners of the sleeve groove of the ring seat, and the at least two mounting portions are respectively protruded inwardly with the ejector pins. The clamping device of the penetrating socket wrench according to the fifth aspect of the invention, wherein at least two corners of the sleeve groove of the ratchet ring seat are provided with a mounting groove for erecting a mounting portion of the collar, and a corner groove extending to the ring groove is formed on the mounting groove, so that the ejector pin of the pressing collar protrudes in the corner groove corresponding to the ring groove position of the ratchet ring seat To push the displacement of the C-shaped clamp ring located in the ring groove. The clamping device of the penetrating socket wrench according to the sixth aspect of the invention, wherein the outer side of the ratchet ring seat is provided with an elastic member for elastically pushing the ring portion of the pressing ring to make the ring portion Pressing the collar automatically resets. The clamping device of the penetrating socket wrench according to the first aspect of the invention, wherein the ratchet ring seat is provided with a second C-shaped buckle on the outer side to limit the pressing of the collar.