CN216098655U

CN216098655U - Telescopic connecting sleeve

Info

Publication number: CN216098655U
Application number: CN202122590532.3U
Authority: CN
Inventors: 何益飞; 周形利; 周彩利
Original assignee: Hangzhou Xinshili Hardware Tools Co ltd
Current assignee: Hangzhou Xinshili Hardware Tools Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-22
Anticipated expiration: 2031-10-27

Abstract

The utility model relates to a telescopic connecting sleeve, which comprises a wrench connecting body and a screwdriver head connecting body which are mutually inserted and can relatively move, wherein the end part of the wrench connecting body is provided with a square hole, the end part of the screwdriver head connecting body is provided with a screwdriver head jack, the wrench connecting body is provided with a rotating nut, the exterior of the screwdriver head connecting body is provided with an external thread, and the rotating nut is matched with the external thread to realize the axial telescopic movement of the screwdriver head connecting body relative to the wrench connecting body. The wrench connector is used for being connected with a socket wrench, and the connector of the socket wrench is mostly square, so that the end part of the wrench connector is provided with a square hole; the batch head connector is used for connecting a batch head, so that the end part of the batch head connector is provided with a batch head jack; the wrench connector and the screwdriver head connector are mutually inserted and can move relatively, so that the sleeve can stretch and retract, and the use is more convenient.

Description

Telescopic connecting sleeve

Technical Field

The utility model belongs to a tool accessory, and particularly relates to a telescopic connecting sleeve.

Background

The bit, which is commonly referred to as a screwdriver bit, is mounted to a hand drill or hammer for driving a screw. And the use frequency of screwdriver bits is higher, all can use the screwdriver bits in the assembly dismantlement operation. The model, size and the specification in screw groove are more, consequently criticize the model, size and the specification of first also more, for convenient to use, often connect through the sleeve and criticize first and box spanner, and the sleeve links to each other with box spanner, criticizes first and links to each other with the sleeve. Therefore, the existing sleeve is only a connecting part between the batch head and the wrench and is used for transmitting the torque applied by the wrench.

However, when screwing, the sleeve rotates synchronously with the bit, which is troublesome for holding. Meanwhile, the existing sleeve is fixed in length, one type is short, the length of connection is met, the other type is long, a longer distance exists between the screwdriver head and the wrench, the transmission is met through the lengthened sleeve rod, the length of the sleeve cannot be adjusted, and the defect of inconvenience in use sometimes exists.

Disclosure of Invention

The telescopic connecting sleeve overcomes the defects that the length of the existing sleeve is mostly fixed and cannot be adjusted, and the length of the sleeve can be adjusted, so that a use mode of combining short-distance connection transmission and long-distance connection transmission is realized, and the telescopic connecting sleeve is more convenient to use.

The specific technical scheme of the utility model is as follows: the utility model provides a telescopic connecting sleeve, but including the spanner connector and the first connector of batch of pegging graft each other and relative movement, spanner connector tip is provided with the square hole, and the first connector tip of batch is provided with criticizes first jack, and the spanner connector is provided with swivel nut, criticizes first connector outside and is provided with the external screw thread, and swivel nut and external screw thread fit realize criticizing first connector relative spanner connector axial concertina movement.

The wrench connector is used for being connected with a socket wrench, and the connector of the socket wrench is mostly square, so that the end part of the wrench connector is provided with a square hole; the batch head connector is used for connecting a batch head, so that the end part of the batch head connector is provided with a batch head jack; but spanner connector and criticize first connector peg graft each other and relative movement, so both can realize that the sleeve is flexible, the spanner connector sets up swivel nut, criticize first connector and set up the external screw thread, swivel nut is provided with the internal thread, the internal thread cooperatees with the external screw thread, it can promote criticize first connector axial displacement of spanner relatively to rotate swivel nut, in the actual operation, box spanner drive sleeve rotates, swivel nut keeps motionless, criticize first connector this moment and can realize flexible, and simultaneously, swivel nut can regard as the position of holding again, keep not changeing.

Further preferably, the wrench connector is provided with a slot, the bit connector is provided with a pin, the cross-sectional shape of the pin is matched with that of the slot, the pin is axially inserted into the slot, and the external thread is arranged on the outer surface of the pin. The slot is mutually supported with participating in, realizes axial displacement, can transmit the moment of torsion simultaneously again.

Further preferably, the spanner connector includes spanner connector and cylinder, and the outward appearance of cylinder sets up axial slot, and the slot is 6, and the circumference equipartition sets up in the cylinder outward appearance, forms axial conductor between the slot.

Preferably, the column body is provided with a blocking part, and the blocking part and the column body are of an integral structure, or the blocking part is annular and fixed with the outer surface of the column body. The fender portion is used for fixing a position swivel nut, increases behind the fender portion, can fix a position swivel nut in the tip position of spanner connector, just so also makes the axial length of spanner connector unrestricted for telescopic length is great.

Preferably, the batch head connector comprises a batch head socket, the pins are arranged on the socket and are 6, the pins are axially and uniformly distributed relative to the center of the socket, and guide grooves are formed among the pins.

Further preferably, the cross section of the slot is in a T shape, the cross section of the pin is in a T shape, and the pin and the slot are matched to form a cylinder.

Further preferably, the radial depth of the pin is greater than that of the slot, and the outer surface of the pin is exposed out of the opening of the slot.

Further preferably, a blocking ring for blocking the rotating nut is further fixed on the wrench connector, the blocking ring is sleeved on the end part of the wrench connector corresponding to the bit connector, and the blocking ring is fixed with the wrench connector through a locking screw.

The utility model has the beneficial effects that: the wrench connector is used for being connected with a socket wrench, and the connector of the socket wrench is mostly square, so that the end part of the wrench connector is provided with a square hole; the batch head connector is used for connecting a batch head, so that the end part of the batch head connector is provided with a batch head jack; but spanner connector and criticize first connector peg graft each other and relative movement, so both can realize that the sleeve is flexible, the spanner connector sets up swivel nut, criticize first connector and set up the external screw thread, swivel nut is provided with the internal thread, the internal thread cooperatees with the external screw thread, it can promote criticize first connector axial displacement of spanner relatively to rotate swivel nut, in the actual operation, box spanner drive sleeve rotates, swivel nut keeps motionless, criticize first connector this moment and can realize flexible, and simultaneously, swivel nut can regard as the position of holding again, keep not changeing.

Drawings

FIG. 1 is a schematic diagram of one configuration of the present invention;

FIG. 2 is a schematic view of a wrench connector according to the present invention;

FIG. 3 is an end view of a wrench connector according to the present invention;

FIG. 4 is a schematic view of a batch head interface according to the present invention;

FIG. 5 is a schematic end view of a batch head interface of the present invention;

in the figure: 1. spanner connector, 2, swivel nut, 3, keep off the ring, 4, criticize first connector, 5, jack, 6, socket, 7, participate in, 8, guide slot, 9, fender portion, 10, slot, 11, spanner connector, 12, axial conductor, 13, inner ring, 14, quad slit.

Detailed Description

The utility model is further described by the following specific embodiments in conjunction with the accompanying drawings.

Example (b):

as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a telescopic connection sleeve comprises a wrench connector 1 and a screwdriver connector 4 which are mutually inserted and can move relatively, wherein the wrench connector is provided with a rotating nut 2, an external thread is arranged outside the screwdriver connector, and the rotating nut and the external thread are matched to realize axial telescopic movement of the screwdriver connector relative to the wrench connector.

The spanner connector includes spanner connector 11 and cylinder, and the outward appearance of cylinder sets up axial slot 10, and the slot is 6, and the circumference equipartition sets up in the cylinder outward appearance, forms axial conductor 12 between the slot, and the slot is the shape of falling T. The center of the column body is provided with a shaft hole, the depth of the slot is less than the wall thickness of the column body, and an inner ring 13 is formed at the bottom of the slot. The middle of the wrench connector is provided with a square hole 14 which is used for matching with the square head of the socket wrench. The column body is provided with a blocking part 9, the blocking part and the column body are in an integral structure, and the blocking part is deviated to the end part of the column body. The end position of the cylinder is fixed with a baffle ring 3 through a locking screw, the distance between the baffle ring and the baffle part is the axial length of the rotating nut, the rotating nut is sleeved on the cylinder, the baffle part limits the position of the rotating nut, the baffle ring is fixed to prevent the rotating nut from falling out, and the rotating nut can rotate relative to the cylinder.

The batch head connector comprises a batch head socket 6, a hexagonal batch head jack 5 is arranged at the center of the socket, the batch head jack is provided with a hole bottom, a round hole is arranged at the center of the hole bottom, and the aperture of the round hole is smaller than the hexagonal inscribed circle of the jack. The socket is provided with 6 pins 7 which are axially and uniformly distributed relative to the center of the socket, and guide grooves 8 are arranged among the pins. The cross-sectional shape of the plug pin is matched with that of the slot, the guide groove is matched with that of the axial conductor, the plug pin is axially inserted into the slot, the axial conductor is axially inserted into the guide groove, and the plug pin is matched with the slot to just enclose a cylinder. The outer surface of the pin is provided with an external thread which is matched with the internal thread of the rotating nut.

The quad slit of the wrench connector is connected with the socket wrench in an opposite inserting mode, the screwdriver head is arranged in the screwdriver head jack, the rotating nut is held on one hand, the socket wrench is rotated, the socket is rotated simultaneously, the rotating nut is kept motionless and rotates relative to the socket, the rotating nut keeps motionless in the axial direction relative to the wrench connector, and the screwdriver head connector stretches out and draws back in the axial direction relative to the wrench connector gradually.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a telescopic connecting sleeve, its characterized in that is including the spanner connector (1) and the first connector (4) of batch that peg graft each other and relative movement, and spanner connector tip is provided with tetragonal hole (14), and the first connector tip of batch is provided with criticizes first jack (5), and the spanner connector is provided with swivel nut (2), and the first connector outside of batch is provided with the external screw thread, and swivel nut and external screw thread cooperation realize the relative spanner connector axial concertina movement of the first connector of batch.

2. A telescopic connection socket according to claim 1, characterised in that the wrench connector body is provided with a socket (10), the bit connector body is provided with a pin (7), the cross-sectional shape of the pin is adapted to the cross-sectional shape of the socket, the pin is axially inserted into the socket, and the external thread is provided on the outer surface of the pin.

3. The telescopic connection sleeve according to claim 2, wherein the wrench connector comprises a wrench connector (11) and a cylinder, the cylinder is provided with 6 axial slots on the outer surface, the slots are circumferentially and uniformly arranged on the outer surface of the cylinder, and axial conductors (12) are formed between the slots.

4. A telescopic connection sleeve according to claim 3, characterised in that the post is provided with stops (9) which are integral with the post or which are annular and fixed to the outer surface of the post.

5. A telescopic connection sleeve according to claim 2, characterised in that the connection block comprises a block socket (6) on which the pins are arranged, the pins being 6, the pins being axially equispaced with respect to the centre of the socket and the pins having guide slots (8) therebetween.

6. A telescopic connection sleeve according to claim 2, 3, 4 or 5, wherein the cross-sectional shape of the socket is T-shaped and the cross-sectional shape of the prongs is T-shaped, the prongs enclosing a cylinder when engaged with the socket.

7. A telescopic connection sleeve according to claim 2, 3, 4 or 5, wherein the radial depth of the prongs is greater than the radial depth of the slots, the outer surfaces of the prongs being exposed to the outside of the openings of the slots.

8. The telescopic connection sleeve according to claim 1, 2, 3, 4 or 5, wherein a stop ring (3) for stopping the rotation nut is further fixed on the wrench connecting body, the stop ring is sleeved on the end portion of the wrench connecting body corresponding to the bit connecting body, and the stop ring is fixed with the wrench connecting body through a locking screw.