CN218318782U - Tool handle - Google Patents

Abstract

The utility model relates to a handle technical field especially relates to a frock handle. The tool handle comprises a handle, a locking piece and a lock catch, a cavity is formed in the handle, the handle is provided with a connecting portion for connecting the to-be-carried piece, and an opening communicated with the cavity is formed in the connecting portion. The hasp has relative first end and the second end that sets up, and first end is fixed in the cavity, and the second end passes the opening and extends to the handle outside to can stretch into in the handle hole. The lock catch is provided with an operating hole, and the cross-sectional area of the operating hole is gradually reduced from the first end to the second end. The locking piece is movably arranged in the cavity, when the locking piece is located at the initial position, the end part and the second end of the locking piece are arranged at intervals, and the second end of the lock catch is separated from the limiting groove. When the end part of the locking piece extends into the position of the operation hole close to the second end, the second end of the lock catch is spread and clamped in the limit groove. The tool handle is simple in structure and easy and convenient to disassemble and assemble, and the disassembling and assembling efficiency is improved. Simultaneously, the frock handle can utilize repeatedly.

Description

Tool handle

Technical Field

The utility model relates to a handle technical field especially relates to a frock handle.

Background

In the process of carrying and assembling the large commercial display screen, two handles are generally required to be arranged on the frame profile of the large commercial display screen as an origin of force for carrying. When the large commercial display screen is assembled into the whole machine, the carrying function of the handle disappears, the appearance is affected and the cost of the whole machine is increased due to the fact that the handle is assembled and fixed on the whole machine.

At present, a detachable handle is usually selected as a carrying tool, and the handle is arranged on a frame profile before the whole machine is assembled. After the complete machine is assembled, the handle is disassembled. The prior art has the following defects: the structure of present detachable handle is complicated, fasteners such as bolts and nuts need to be used to repeatedly disassemble and assemble the handle to each frame section bar of the complete machine to be carried, although the disassembling and assembling operation of the handle can also be realized, the process is more complicated, the time consumption is longer, the workload of carrying personnel is increased, and the carrying and installing efficiency of the handle is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frock handle, its simple structure can be fast with treat that transport piece assembles and dismantles, but reuse.

To achieve the purpose, the technical proposal adopted by the utility model is that:

the utility model provides a frock handle, with treat that the transport can dismantle and be connected, treat that the transport seted up in the piece handle hole and with the spacing groove of handle hole intercommunication, frock handle includes:

the handle is provided with a connecting part for connecting the piece to be carried, and the connecting part is provided with an opening communicated with the cavity;

the lock catch is provided with a first end and a second end which are oppositely arranged, the first end is fixed in the cavity, and the second end passes through the opening, extends to the outside of the handle and can extend into the handle hole; the lock catch is provided with an operating hole, and the cross section area of the operating hole is gradually reduced from the first end to the second end; and

a locking member movably disposed within the cavity; when the locking piece is positioned at the initial position, the end part of the locking piece is arranged at an interval with the second end, and the second end of the lock catch is separated from the limiting groove; when the end part of the locking piece extends into the position of the operation hole close to the second end, the second end of the lock catch is spread and clamped in the limit groove.

As a preferable scheme, the handle is further provided with a holding part, the connecting parts extend from two ends of the holding part respectively, and a pressing cavity communicated with the cavity is formed in the holding part;

the locking piece comprises a transmission section and a cylindrical section, the cylindrical section extends from two ends of the transmission section respectively, part of the transmission section is sunken outwards to form an arched part, and the arched part extends into the pressing cavity; the arched portion is configured to deform when compressed to drive the cylindrical section into the operation hole at a position near the second end.

As preferred scheme, the frock handle still includes:

the key is movably arranged in the pressing cavity and is fixedly connected with the arched part; the key is provided with a first position and a second position, when the key is positioned at the first position, the key is convexly arranged on the outer surface of the holding part, and the locking piece is positioned at the initial position; when the key is pressed, the second position is moved from the first position, and the arch part is pressed.

As a preferred scheme, the handle is further provided with a self-locking hole, and the self-locking hole is communicated with the pressing cavity;

the tool handle further comprises a contact pin which penetrates through the self-locking hole in a sliding mode and is configured to lock the key at the second position.

As preferred scheme, the frock handle still includes:

the self-locking hole comprises a first hole, a second hole and a third hole which are communicated, a first step surface is arranged between the first hole and the second hole, and a second step surface is arranged between the second hole and the third hole; the contact pin is provided with a baffle ring, the baffle ring is positioned in the second hole, and two ends of the elastic piece are respectively abutted against the first step surface and the baffle ring.

As a preferred scheme, a lock hole is formed in the key, and when the key is located at the first position, the contact pin abuts against the key or the arched part; when the key moves from the first position to the second position, the key pushes the contact pin to move towards the outer side of the handle and squeeze the elastic piece; when the key is located at the second position, the self-locking hole is coaxially communicated with the locking hole, and the contact pin is inserted into the locking hole under the driving of the elastic piece so as to lock the key at the second position.

As a preferred scheme, the end face, facing the contact pin, of the key is provided with a guide arc face, and the guide arc face is inwards concave to form the lock hole; the contact pin can slide to the inside of the lock hole along the guide arc surface relative to the key.

Preferably, the latch includes:

the split buckles are arranged in a surrounding manner to form the operating holes and embrace the end parts of the locking pieces; when the end part of the locking piece extends into the position of the operation hole close to the second end, the bottom of the second end surrounded by the split buckles is opened and clamped in the limit groove.

Preferably, the top of the split buckle is provided with a first split ring along the radial direction, the first split rings surround to form a first positioning ring, the handle is further provided with a ring groove communicated with the cavity, and the first positioning ring can be clamped in the ring groove.

As a preferred scheme, a second split ring is convexly arranged at the bottom of the split buckle along the radial direction of the split buckle; a plurality of second split rings are annularly arranged to form a second positioning ring;

when the end part of the locking piece extends into the position of the operating hole close to the second end, the second positioning ring expands outwards along the radial direction of the second positioning ring and can be clamped in the limiting groove.

The beneficial effects of the utility model are that:

the utility model provides a frock handle when installation frock handle, wears to locate the handle of waiting to carry the piece with the hasp downthehole and press the locking piece, makes the tip of locking piece stretch into the position that the handle hole is close to the second end of hasp to the second section that makes the hasp is strutted and the joint in the spacing inslot of waiting to carry the piece, thereby installs the frock handle on waiting to carry the piece. When dismantling the frock handle, only need no longer press the locking piece for the initial position is got back to the locking piece, thereby makes the second end and the spacing groove separation of hasp, and the hasp breaks away from the joint with the spacing groove promptly, thereby dismantles the frock handle from treating the transport. This frock handle's simple structure only needs can install the frock handle on treating the transport piece through pressing down the locking piece, removes to press and to pull down the frock handle from treating the transport piece, and is easy and simple to handle, and convenient and fast need not to relapse fasteners such as dismouting bolt, has improved dismouting efficiency. Simultaneously, the tool handle can be repeatedly utilized and does not need to be installed on each to-be-carried piece, the cost is reduced, redundant hanging pieces are prevented from being added on the to-be-carried pieces, and the appearance of the to-be-carried pieces is cleaner and tidier.

Drawings

Fig. 1 is a schematic structural view of a tool handle mounted on a member to be carried according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a tool handle mounted on a member to be handled according to an embodiment of the present invention;

fig. 3 is an exploded view of a tool handle mounted on a member to be carried according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a key according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a lock catch according to an embodiment of the present invention.

The component names and designations in the drawings are as follows:

10. a frame; 101. a handle aperture; 102. a limiting groove;

1. a handle; 11. a grip portion; 12. a connecting portion; 13. a cavity; 131. a ring groove; 14. pressing the cavity; 15. self-locking holes; 151. a first hole; 152. a second hole; 153. a third aperture; 2. a locking member; 21. a transmission section; 210. an arching portion; 22. a cylindrical section; 3. locking; 30. an operation hole; 31. a split buckle; 32. a first split ring; 33. a second split ring; 4. pressing a key; 40. a guiding cambered surface; 41. a lock hole; 5. inserting a pin; 51. a baffle ring; 6. an elastic member.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

At present, in the process of carrying and assembling the large commercial display screen, a detachable handle is usually additionally arranged on the frame of the large commercial display screen. Before the large commercial display screen is assembled into a whole machine, the handle is arranged on the section bar of the frame. After the complete machine is assembled, the handle is disassembled. The structure of present detachable handle is complicated, fasteners such as bolts and nuts need to be used to repeatedly disassemble and assemble the handle to each frame of a to-be-carried piece (business display large screen), so that the disassembling and assembling operation of the handle is more complicated and time-consuming, the workload of carrying personnel is increased, and the carrying and installation efficiency is greatly reduced.

In order to solve the above problem, as shown in fig. 1 to 3, the present embodiment discloses a tool handle, which is detachably mounted in a handle hole 101 of a member to be carried, and a limit groove 102 communicating with the handle hole 101 is formed in the member to be carried. The frock handle includes handle 1, locking piece 2 and hasp 3, and interior division of handle 1 has cavity 13, and handle 1 has the connecting portion 12 of connecting the piece of treating the transport, and the opening that communicates with cavity 13 is seted up to connecting portion 12. The latch 3 has a first end and a second end which are oppositely arranged, the first end is fixed in the cavity 1, and the second end extends to the outside of the handle 1 through the opening and can extend into the handle hole 101. The lock catch 3 has an operation hole 30, and the cross-sectional area of the operation hole 30 is gradually reduced from the first end to the second end. The locking member 2 is movably disposed in the cavity 13, and when the locking member 2 is located at the initial position, an end portion of the locking member 2 is spaced apart from the second end, and the second end of the latch 3 is separated from the limiting groove 102. When the end of the locking member 2 extends into the operation hole 30 near the second end, the second end of the lock catch 3 is spread and clamped in the limiting groove 102.

Specifically, when the tool handle is installed, the lock catch 3 is arranged in the handle hole 101 of the to-be-carried member in a penetrating manner, the locking member 2 is pressed, the end part of the locking member 2 extends into the position, close to the second end of the lock catch 3, of the operation hole 30, so that the second end of the lock catch 3 is spread and clamped in the limiting groove 102 of the to-be-carried member, and the tool handle is installed on the to-be-carried member. When dismantling the frock handle, only need no longer press locking piece 2, make locking piece 2 get back to initial position to make the second end and the spacing groove 102 separation of hasp 3, hasp 3 breaks away from the joint with spacing groove 102 promptly, thereby pull down the frock handle from treating the transport. This frock handle's simple structure only needs can install the frock handle on treating the transport piece through pressing down locking piece 2, and locking piece 2 is relieved and is pressed down and to be pulled down the frock handle from treating the transport piece, and is easy and simple to handle, and convenient and fast need not to relapse fasteners such as dismouting bolt, has improved dismouting efficiency. Meanwhile, the tool handle can be repeatedly used without being installed on each to-be-carried piece, the cost is reduced, and the phenomenon that redundant hanging pieces are added on the to-be-carried pieces is avoided, so that the to-be-carried pieces are tidier in appearance.

As shown in fig. 2 and 3, the handle 1 further includes a grip portion 11, connecting portions 12 respectively extending from both ends of the grip portion 11, and a pressing chamber 14 communicating with the cavity 13 is formed in the grip portion 11. The locking piece 2 comprises a transmission section 21 and a cylindrical section 22, wherein the cylindrical section 22 extends from two ends of the transmission section 21, part of the transmission section 21 is recessed outwards to form an arch part 210, and the arch part 210 extends into the pressing cavity 14. The bulge 210 deforms under pressure to drive the cylindrical section 22 into the operating hole 30 near the second end of the latch 3.

This handle 1 is U type structure to form two parts along the longitudinal section of handle 1 with handle 1 segmentation, with the processing degree of difficulty that reduces handle 1, and the installation of locking piece 2 and hasp 3 of being convenient for. The cavity 13 and the locking member 2 are also substantially U-shaped, and the transmission section 21 forms an arch 210 in the middle portion thereof, and when the arch 210 is pressed, the arch is flattened, so as to increase the length of the transmission section 21 in the cavity 13, so as to drive the cylindrical sections 22 at the two ends of the transmission section 21 to move toward the outer sides of the connecting portion 12, respectively, so that the cylindrical sections 22 can extend into the corresponding operation holes 30 near the second end of the latch 3 and prop open the second end of the latch 3. The cavity 13 has a cavity shape at the end of the connecting portion 12 of the handle 1 that is adapted to the catch 3 and the cylindrical section 22, respectively, so that the locking element 2 and the catch 3 are securely mounted in the cavity 13.

It should be noted that the transverse cross-sectional area of the cylindrical section 22 is larger than that of the transmission section 21, so as to enhance the expanding effect of the cylindrical section 22 on the second end of the latch 3, which is beneficial to improving the radial size of the expanded second end of the latch 3, and thus improving the strength and stability of the clamping fit between the second end of the latch 3 and the limiting groove 102.

As shown in fig. 1-3, the tool handle further includes a button 4, and the button 4 is movably disposed in the pressing cavity 14 and fixedly connected to the arch portion 210. The button 4 has a first position and a second position, when the button 4 is located at the first position, the button 4 is protruded on the outer surface of the holding part 11, so that the carrying person can press the button 4 conveniently. At this time, the locking member 2 is located at the initial position. When the key 4 is pressed, it moves from the first position to the second position and presses the dome 210.

When a carrier displays a large screen, the lock catch 3 is arranged in the handle hole 101 of the frame 10 in a penetrating manner, a carrier holds the holding part 11 of the handle 1 with a hand, and meanwhile, the exposed key 4 is moved to the second position under the pressure of the hand, so that the cylindrical section 22 of the locking part 2 props open the second end of the lock catch 3, the second end of the lock catch 3 is clamped in the limiting groove 102, and the installation of a tool handle and a section bar is realized. Then, the carrying personnel carries the large commercially available display screen to the designated position and then loosens the holding part 11, the arching part 210 returns to the initial position and drives the key 4 to move from the second position to the first position, the second end of the lock catch 3 is separated from the limit groove 102 in a clamping manner, the tool handle can be rapidly taken down, and the carrying process of the next large commercially available display screen is continued. In the use of frock handle, through holding the portion of gripping 11 or unclamping the portion of gripping 11 and can realizing the quick assembly disassembly of frock handle, easy and simple to handle has greatly improved the dismouting efficiency of frock handle.

In the process of carrying the large business display screen by the tool handle, in order to avoid the accidental falling of the large business display screen caused by the separation of the tool handle from the frame 10, as shown in fig. 2 and 3, the handle 1 is further provided with a self-locking hole 15, and the self-locking hole 15 is communicated with the pressing cavity 14. The tooling handle further comprises a pin 5, the pin 5 penetrates through the self-locking hole 15 in a sliding mode, and the pin 5 can lock the button 4 at the second position, so that the button 4 is always in a state of extruding the arch portion 210, and the second end of the lock catch 3 is reliably clamped and fixed with the limiting groove 102 in the frame 10.

Specifically, the tool handle further comprises an elastic part 6, the self-locking hole 15 comprises a first hole 151, a second hole 152 and a third hole 153 which are communicated with each other, a first step surface is arranged between the first hole 151 and the second hole 152, and a second step surface is arranged between the second hole 152 and the third hole 153. The pin 5 has a retainer 51, the retainer 51 is located in the second hole 152, and two ends of the elastic element 6 respectively abut against the first step surface and the retainer 51.

It should be noted that the self-locking hole 15 is a stepped hole, in which the inner diameters of the first hole 151 and the second hole 152 are the same and smaller than the inner diameter of the second hole 152. One end of the contact pin 5 extends out of the lock hole 15 and is positioned outside the handle 1 so that a carrier can pull the contact pin 5. The outer diameter of the retainer ring 51 of the pin 5 is larger than the inner diameters of the first hole 151 and the second hole 152, so that the first step surface and the second step surface form an axial limit to the retainer ring 51.

As shown in fig. 2-4, the key 4 is provided with a locking hole 41, when the key 4 is located at the first position, the key 4 is protruded outside the holding portion 11, the arching portion 210 is not pressed, and the pin 5 abuts against the key 4 or the arching portion 210. When the button 4 moves from the first position to the second position, the button 4 pushes the pin 5 to move toward the outer side of the handle 1 and presses the elastic member 6. When the button 4 is located at the second position, the arching portion 210 is pressed to make the second end of the lock catch 3 be clamped in the limiting groove 102 of the frame 10. At this time, the locking hole 41 is coaxially communicated with the self-locking hole 15, and the pin 5 is inserted into the locking hole 41 under the driving of the elastic member 6 to lock the button 4 at the second position, so that the arch portion 210 is always kept in a pressed state, and the second end of the latch 3 is stably clamped and matched with the limiting groove 102, thereby realizing the stable installation of the tool handle and the frame 10.

Further, the end face of the key 4 facing the pin 5 has a guiding arc surface 40, and the guiding arc surface 40 is recessed to form a lock hole 41. When the key 4 moves from the first position to the second position, the pin 5 can slide into the lock hole 41 along the guide arc 40 relative to the key 4 under the pushing of the key 4. The guide cambered surface 40 plays a guide role in the contact pin 5, reduces the friction force between the contact pin 5 and the key 4, and avoids the influence on the normal use of the tool handle caused by the dead clamping of the contact pin 5 when the key 4 is moved from the first position to the second position.

It should be noted that the end surface of the contact pin 5 abutting against the key 4 is also an arc surface, so that the contact pin 5 and the key 4 are in line contact, the friction force between the contact pin 5 and the key 4 is further reduced, and the contact pin 5 can smoothly slide into the lock hole 41.

In this embodiment, hasp 3 is split type structure, not only can reduce the processing degree of difficulty of hasp 3, can also improve the radial dimension of hasp 3 its second end after being propped open by cylinder section 22 simultaneously. As shown in fig. 5, the locking buckle 3 includes a plurality of separate buckles 31, and the separate buckles 31 surround the operation hole 30 and embrace the end of the locking member 2. When the end of the locking member 2 extends into the position of the operation hole 30 near the second end, the bottom of the second end surrounded by the plurality of split buckles 31 is spread and clamped in the limiting groove 102. I.e. the bottom of the shackle 3 is flared radially outwardly thereof, respectively, to increase the radial dimension of the second end of the shackle 3.

The number of the split buckles 31 is two, and the two split buckles 31 are buckled together to form the complete lock catch 3. Of course, the number of the split buckles 31 may be three, four, or five or more, and is not limited specifically herein.

Specifically, as shown in fig. 5, the top of the split buckle 31 is provided with a first split ring 32 in a protruding manner in the radial direction thereof, and the bottom of the split buckle 31 is provided with a second split ring 33 in a protruding manner in the radial direction thereof. When the plurality of split buckles 31 surround to form the buckle 3, the plurality of first split rings 32 surround to form the first positioning ring. The handle 1 is further provided with a ring groove 131 communicated with the cavity 13, and the first positioning ring can be clamped in the ring groove 131. A plurality of second split rings 33 are encircled to form a second retaining ring. When the end of the locking element 2 extends into the operating hole 30 near the second end, the second positioning ring expands radially outward and can be snapped into the retaining groove 102. The latch 3 is installed in the cavity 13 through a first positioning ring, so that the handle 1 and the latch 3 are connected into a whole. Meanwhile, the second positioning ring is matched with the limiting groove 102 in a clamping mode, so that the lock catch 3 is connected with the frame 10, and the tool handle is stably installed on the frame 10.

The above embodiments have only been explained the basic principle and characteristics of the present invention, the present invention is not limited by the above embodiments, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and modifications all fall into the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a frock handle, with treat that the transport can dismantle and be connected, treat to have seted up in the transport handle hole (101) and with spacing groove (102) of handle hole (101) intercommunication, its characterized in that, frock handle includes:

the carrying handle comprises a handle (1), a cavity (13) is formed in the handle, the handle (1) is provided with a connecting part (12) connected with the to-be-carried piece, and the connecting part (12) is provided with an opening communicated with the cavity (13);

the lock catch (3) is provided with a first end and a second end which are oppositely arranged, the first end is fixed in the cavity (13), and the second end passes through the opening and extends to the outside of the handle (1) and can extend into the handle hole (101); the lock catch (3) is provided with an operation hole (30), and the cross-sectional area of the operation hole (30) is gradually reduced from the first end to the second end; and

a locking member (2) movably disposed within the cavity (13); when the locking piece (2) is located at the initial position, the end part and the second end of the locking piece (2) are arranged at intervals, and the second end of the lock catch (3) is separated from the limiting groove (102); when the end part of the locking piece (2) extends into the position of the operation hole (30) close to the second end, the second end of the lock catch (3) is spread and clamped in the limit groove (102).

2. The tooling handle according to claim 1, wherein the handle (1) further comprises a holding part (11), the connecting part (12) extends from each end of the holding part (11), and a pressing cavity (14) communicated with the cavity (13) is formed in the holding part (11);

the locking piece (2) comprises a transmission section (21) and a cylindrical section (22), the cylindrical section (22) extends from two ends of the transmission section (21), part of the transmission section (21) is recessed outwards to form an arched part (210), and the arched part (210) extends into the pressing cavity (14); the arch portion (210) is configured to deform when compressed to bring the cylindrical section (22) into the access opening (30) proximate the second end.

3. The tooling handle of claim 2, further comprising:

the key (4) is movably arranged in the pressing cavity (14) and is fixedly connected with the arch part (210); the key (4) is provided with a first position and a second position, when the key (4) is positioned at the first position, the key (4) is convexly arranged on the outer surface of the holding part (11), and the locking piece (2) is positioned at the initial position; when the key (4) is pressed, the second position is moved from the first position, and the arch part (210) is pressed.

4. The tool handle according to claim 3, wherein the handle (1) is further provided with a self-locking hole (15), and the self-locking hole (15) is communicated with the pressing cavity (14);

the tool handle further comprises a contact pin (5), wherein the contact pin (5) is slidably arranged in the self-locking hole (15) in a penetrating mode and is configured to be capable of locking the key (4) at the second position.

5. The tooling handle of claim 4, further comprising:

the self-locking hole (15) comprises a first hole (151), a second hole (152) and a third hole (153) which are communicated with each other, a first step surface is arranged between the first hole (151) and the second hole (152), and a second step surface is arranged between the second hole (152) and the third hole (153); the contact pin (5) is provided with a retaining ring (51), the retaining ring (51) is located in the second hole (152), and two ends of the elastic piece (6) are respectively abutted to the first step surface and the retaining ring (51).

6. The tool handle according to claim 5, wherein the key (4) is provided with a locking hole (41), and when the key (4) is located at the first position, the pin (5) abuts against the key (4) or the arch part (210); when the key (4) moves from the first position to the second position, the key (4) pushes the contact pin (5) to move towards the outer side of the handle (1) and presses the elastic piece (6); when the key (4) is located at the second position, the self-locking hole (15) is coaxially communicated with the locking hole (41), and the contact pin (5) is inserted into the locking hole (41) under the driving of the elastic piece (6) so as to lock the key (4) at the second position.

7. The tooling handle according to claim 6, wherein the end surface of the key (4) facing the contact pin (5) is provided with a guide arc surface (40), and the guide arc surface (40) is concave inwards to form the lock hole (41); the contact pin (5) can slide into the lock hole (41) along the guide arc surface (40) relative to the key (4).

8. The tooling handle according to claim 1, wherein the latch (3) comprises:

the split buckles (31) are arranged in a surrounding manner to form the operation holes (30) and hold the end part of the locking piece (2); when the end part of the locking piece (2) extends into the position of the operation hole (30) close to the second end, the bottom of the second end surrounded by the split buckles (31) is expanded and clamped in the limiting groove (102).

9. The tool handle as claimed in claim 8, wherein a first split ring (32) is convexly provided at the top of the split buckle (31) along the radial direction thereof, a plurality of first split rings (32) are arranged to surround to form a first positioning ring, the handle (1) is further provided with a ring groove (131) communicated with the cavity (13), and the first positioning ring can be clamped in the ring groove (131).

10. The tooling handle according to claim 8, wherein the bottom of the split buckle (31) is provided with a second split ring (33) in a protruding manner along the radial direction; a plurality of second split rings (33) are arranged in an enclosing mode to form a second positioning ring;

when the end part of the locking piece (2) extends into the position of the operation hole (30) close to the second end, the second positioning ring expands outwards along the radial direction and can be clamped in the limiting groove (102).

Images