CN221314021U

CN221314021U - Spanner extension device

Info

Publication number: CN221314021U
Application number: CN202323036730.0U
Authority: CN
Inventors: 曹念祖; 肖大强; 刘闯
Original assignee: Shenzhen Second Intelligent Equipment Co Ltd
Current assignee: Shenzhen Second Intelligent Equipment Co Ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-07-12
Anticipated expiration: 2033-11-10

Abstract

The utility model discloses a wrench extension device, which belongs to the field of wrench accessories and comprises an extension rod, wherein the front end of the inside of the extension rod is provided with a telescopic rod, the front end of the telescopic rod is fixedly connected with a connecting rod, the front end of the connecting rod is fixedly connected with a clamping assembly, the upper end of the telescopic rod is provided with a plurality of first screw holes, the upper part of the front end of the extension rod is in threaded connection with a first screw, the first screw is in threaded connection with the telescopic rod through the first screw holes, the common socket head cap wrench can be clamped and fixed through the clamping assembly, the length of the socket head cap wrench is prolonged, and then the extension device for fixing the socket head cap wrench is inserted into a long and narrow assembly scene, so that the socket head cap wrench is convenient to use, and the practicability of the wrench and the functionality of the extension device are improved.

Description

Spanner extension device

Technical Field

The utility model relates to the field of spanner accessories, in particular to a spanner extension device.

Background

The utility model discloses an allen wrench among the prior art, the publication number is CN113386071B, above-mentioned allen wrench convenient to use adopts the opening adjusting device that is similar to iris structure, can realize regular hexagon open-ended extension and closure fast, through rotatory front end housing, can adjust regular hexagon open-ended size, lets the well pole and the hexagon sleeve of required size pop out.

When the inner hexagonal wrench is used, the long and narrow wrench is encountered in the assembling process, and when a human hand cannot extend into a scene of completing the assembling, the common inner hexagonal wrench cannot be used, so that a wrench extension device is required to be designed for extending the length of the wrench.

Disclosure of utility model

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a wrench extension device which can clamp and fix a common socket head wrench through a clamping assembly, prolong the length of the socket head wrench, then insert the extension device for fixing the socket head wrench into a long and narrow assembly scene, facilitate the use of the socket head wrench and improve the practicability of the wrench and the functionality of the extension device.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a spanner extension device, includes the extension rod, the telescopic link is installed to the inside front end of extension rod, telescopic link front end fixedly connected with connecting rod, connecting rod front end fixedly connected with clamping assembly can realize fixed ordinary allen wrench clamping through clamping assembly, prolongs allen wrench's length, then inserts long and narrow assembly scene with fixed allen wrench's extension device, and allen wrench's use of being convenient for improves spanner's practicality and extension device's functionality.

Further, extension rod rear end fixedly connected with fixed block, equal fixedly connected with handle in fixed block both sides, during the use, the staff can hold the handle, and the handle is rotated, drives spanner extension device and allen wrench rotation.

Further, telescopic link upper end is provided with a plurality of first screw, extension rod front end upper portion threaded connection has first screw, first screw passes through first screw and telescopic link threaded connection, and during the use, the staff can be manual with the telescopic link elongation adjust to the length of needs, then screw down first screw, makes first screw can screw in the first screw inside of corresponding position simultaneously, accomplishes the spacing of telescopic link.

Further, the clamping assembly comprises a limit column, the limit column is fixedly connected with the front end of the connecting rod, a groove is formed in the front portion of the upper end of the limit column, a triangular lug is movably connected to the rear end of the upper end of the groove, the triangular lug is arranged in a front-high-back-low mode, a movable clamping plate is arranged at the lower portion of the front end of the triangular lug, external threads are arranged at the upper end of the triangular lug, and during use, the rear end of the triangular lug is fixed at the rear end position inside the groove.

Further, limit post front end lower part fixedly connected with fixed splint, limit post installs in the outside a spacing section of thick bamboo, limit barrel inboard is provided with the internal thread, limit barrel passes through internal thread and external screw thread and triangular bump threaded connection, during the use, can place the allen wrench that needs to use in the intermediate position of movable splint and fixed splint, then rotates limit barrel forward, drives triangular bump downwardly extrusion through limit barrel, and triangular bump drives movable splint downwardly extrusion, and is fixed with allen wrench centre gripping.

Further, fixed splint and movable splint inboard all are provided with the anti-skidding line, fixed splint and movable splint inboard middle part all are provided with the draw-in groove, the shape of draw-in groove adopts triangle-shaped, the angle of draw-in groove sets up to, and during the use, six angles of allen wrench are, can go into the draw-in groove with allen wrench's arbitrary relative angle card, and the centre gripping of rethread fixed splint and movable splint makes allen wrench's spacing more firm.

Further, the middle part of the upper end of the limiting cylinder is provided with a second screw hole, the second screw hole is internally connected with a second screw through threads, when the limiting cylinder is used, after rotating to a required position, the second screw can be screwed down, so that the bottom of the second screw props against the limiting column, and the limiting cylinder is more stable and firm in limiting.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) This scheme can realize that the clamping assembly is fixed with ordinary allen wrench centre gripping, and extension allen wrench's length, then inserts long and narrow assembly scene with the extension device of fixed allen wrench, and allen wrench's use of being convenient for improves the practicality and the functionality of extension device of spanner.

(2) The telescopic link upper end is provided with a plurality of first screw, and extension rod front end upper portion threaded connection has first screw, and first screw passes through first screw and telescopic link threaded connection, and during the use, the staff can be manual with the telescopic link elongation adjust to the length of needs, then screw down first screw, make first screw can screw in the inside of the first screw of corresponding position simultaneously, accomplish the spacing of telescopic link, and be convenient for install length adjustment.

(3) The clamping assembly comprises a limiting column, the front end of the connecting rod is fixedly connected with the limiting column, a groove is formed in the front portion of the upper end of the limiting column, a triangular lug is movably connected to the rear end of the upper end of the groove, the triangular lug is arranged in a front-high-low mode, a movable clamping plate is arranged at the lower portion of the front end of the triangular lug, external threads are arranged at the upper end of the triangular lug, and the rear end of the triangular lug is fixed at the rear end position inside the groove when the clamping assembly is used.

(4) The fixed splint of spacing post front end lower part fixedly connected with, spacing section of thick bamboo is installed in spacing post outside, and spacing section of thick bamboo inboard is provided with the internal thread, and spacing section of thick bamboo passes through internal thread and external screw thread and triangular lug threaded connection, during the use, can place the allen wrench that needs to use in the intermediate position of movable splint and fixed splint, then rotates spacing section of thick bamboo forward, drives triangular lug downwardly extrusion through spacing section of thick bamboo, and triangular lug drives movable splint downwardly extrusion, and is fixed with allen wrench centre gripping.

(5) The fixed splint and the movable splint inboard all are provided with anti-skidding line, and fixed splint and movable splint inboard middle part all are provided with the draw-in groove, and the shape of draw-in groove adopts triangle-shaped, and the angle of draw-in groove sets up to, and during the use, six angles of allen wrench are, can go into the draw-in groove with allen wrench's arbitrary relative angle card, and the centre gripping of rethread fixed splint and movable splint makes allen wrench's spacing more firm.

(6) The middle part of the upper end of the limiting cylinder is provided with a second screw hole, the second screw hole is internally connected with a second screw through threads, and when the limiting cylinder is used, after rotating to a required position, the second screw can be screwed down, so that the bottom of the second screw props against the limiting column, and the limiting of the limiting cylinder is more stable and firm.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the device of the present utility model;

FIG. 3 is a schematic view of a limiting cylinder according to the present utility model;

fig. 4 is a schematic view of the structure of the clamping assembly in the present utility model.

The reference numerals in the figures illustrate:

1. An extension rod; 2. a fixed block; 3. a handle; 4. a telescopic rod; 5. a first screw hole; 6. a first screw; 7. a connecting rod; 8. a limit column; 9. slotting; 10. triangular protruding blocks; 11. a movable clamping plate; 12. a fixed clamping plate; 13. anti-skid lines; 14. a clamping groove; 15. an external thread; 16. a limiting cylinder; 17. an internal thread; 18. a second screw hole; 19. and a second screw.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements 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 utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1-4, a wrench extension device comprises an extension rod 1, wherein a telescopic rod 4 is arranged at the front end of the inside of the extension rod 1, a connecting rod 7 is fixedly connected to the front end of the telescopic rod 4, a clamping assembly is fixedly connected to the front end of the connecting rod 7, an inner hexagonal wrench can be clamped and fixed through the clamping assembly, and then the wrench extension device with the inner hexagonal wrench fixed is inserted into a position where the inner hexagonal wrench needs to be used, so that the inner hexagonal wrench is limited and used conveniently.

Referring to fig. 1-2, the rear end of the extension rod 1 is fixedly connected with a fixed block 2, both sides of the fixed block 2 are fixedly connected with a handle 3, and when in use, a worker can hold the handle 3 and rotate the handle 3 to drive the wrench extension device and the socket head cap wrench to rotate so as to mount and dismount the socket head cap bolt.

Referring to fig. 1-2, a plurality of first screw holes 5 are formed in the upper end of the telescopic rod 4, a first screw 6 is connected to the upper portion of the front end of the extension rod 1 in a threaded manner, the first screw 6 is connected to the telescopic rod 4 in a threaded manner through the first screw holes 5, when the telescopic rod is used, a worker can manually extend and adjust the telescopic rod 4 to a required length, then the first screw 6 is screwed downwards, the first screw 6 can be screwed into the first screw holes 5 at corresponding positions at the same time, limiting of the telescopic rod 4 is completed, and meanwhile the length of the telescopic rod can be adjusted conveniently.

Referring to fig. 1-4, the clamping assembly comprises a limit post 8, the front end of a connecting rod 7 is fixedly connected with the limit post 8, a slot 9 is formed in the front of the upper end of the limit post 8, a triangular bump 10 is movably connected to the rear end of the slot 9, the triangular bump 10 is arranged in a front-high-back-low mode, a movable clamping plate 11 is arranged at the lower portion of the front end of the triangular bump 10, an external thread 15 is arranged at the upper end of the triangular bump 10, and when the clamping assembly is used, the rear end of the triangular bump 10 is fixed at the rear end position inside the slot 9, so that the front end of the triangular bump 10 can swing up and down.

Referring to fig. 1 and 4, a fixed clamping plate 12 is fixedly connected to the lower portion of the front end of the limiting column 8, a limiting cylinder 16 is mounted on the outer side of the limiting column 8, an internal thread 17 is disposed on the inner side of the limiting cylinder 16, the limiting cylinder 16 is in threaded connection with a triangular lug 10 through the internal thread 17 and an external thread 15, when in use, an inner hexagonal wrench to be used can be placed at the middle position of a movable clamping plate 11 and the fixed clamping plate 12, then the limiting cylinder 16 is rotated forwards, the triangular lug 10 is driven to extrude downwards through the limiting cylinder 16, the triangular lug 10 drives the movable clamping plate 11 to extrude downwards, and the inner hexagonal wrench is clamped and fixed.

Referring to fig. 1 and 4, anti-slip patterns 13 are formed on the inner sides of the fixed clamping plate 12 and the movable clamping plate 11, clamping grooves 14 are formed in the middle of the inner sides of the fixed clamping plate 12 and the movable clamping plate 11, the clamping grooves 14 are triangular, the angles of the clamping grooves 14 are 120 degrees, when the anti-slip wrench is used, six angles of the anti-slip wrench are 120 degrees, any opposite angles of the anti-slip wrench can be clamped into the clamping grooves 14, and limiting of the anti-slip wrench is firmer through clamping of the fixed clamping plate 12 and the movable clamping plate 11, so that the anti-slip wrench is effectively prevented from falling.

Referring to fig. 1-3, a second screw hole 18 is provided in the middle of the upper end of the limiting cylinder 16, and a second screw 19 is screwed into the second screw hole 18, when in use, after the limiting cylinder 16 rotates to a required position, the second screw 19 can be screwed down, so that the bottom of the second screw 19 abuts against the limiting post 8, the limiting of the limiting cylinder 16 is more stable and firm, and the loosening of the limiting cylinder 16 is avoided.

The working principle of the utility model is as follows: firstly, the socket wrench to be used is placed in the middle position of the movable clamping plate 11 and the fixed clamping plate 12, any opposite angle of the socket wrench is clamped into the clamping groove 14, the limiting cylinder 16 rotates towards the front end, the limiting cylinder 16 drives the triangular lug 10 to extrude towards the front end, the triangular lug 10 drives the movable clamping plate 11 to press down, the socket wrench is fixed, then the telescopic rod 4 is pulled out, the wrench extension device is adjusted, then the first screw 6 is screwed down, the length of the extension device is conveniently adjusted, and then the bottom of the device is inserted into the position where the hexagonal bolt is required to be screwed, so that the device is convenient to use.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Wrench extension device, comprising an extension rod (1), characterized in that: extension rod (1) inside front end installs telescopic link (4), telescopic link (4) front end fixedly connected with connecting rod (7), connecting rod (7) front end fixedly connected with clamping assembly, clamping assembly includes spacing post (8), connecting rod (7) front end fixedly connected with spacing post (8), spacing post (8) upper end front portion is provided with fluting (9), fluting (9) inside rear end swing joint has triangular projection (10), triangular projection (10) high back and high setting, triangular projection (10) front end lower part is provided with movable clamp plate (11), triangular projection (10) upper end is provided with external screw thread (15).

2. The wrench extension device according to claim 1, wherein: the rear end of the extension rod (1) is fixedly connected with a fixed block (2), and handles (3) are fixedly connected to two sides of the fixed block (2).

3. The wrench extension device according to claim 1, wherein: the telescopic rod is characterized in that a plurality of first screw holes (5) are formed in the upper end of the telescopic rod (4), first screws (6) are connected to the upper portion of the front end of the extension rod (1) in a threaded mode, and the first screws (6) are connected with the telescopic rod (4) in a threaded mode through the first screw holes (5).

4. The wrench extension device according to claim 1, wherein: the fixed splint is fixedly connected to the lower portion of the front end of the limiting column (8), a limiting cylinder (16) is mounted on the outer side of the limiting column (8), an internal thread (17) is arranged on the inner side of the limiting cylinder (16), and the limiting cylinder (16) is in threaded connection with the triangular lug (10) through the internal thread (17) and the external thread (15).

5. The wrench extension device according to claim 4, wherein: the anti-skid clamping device is characterized in that anti-skid patterns (13) are arranged on the inner sides of the fixed clamping plate (12) and the movable clamping plate (11), clamping grooves (14) are formed in the middle of the inner sides of the fixed clamping plate (12) and the middle of the inner sides of the movable clamping plate (11), the clamping grooves (14) are triangular, and the angle of the clamping grooves (14) is 120 degrees.

6. The wrench extension device according to claim 4, wherein: the middle part of the upper end of the limiting cylinder (16) is provided with a second screw hole (18), and a second screw (19) is connected to the second screw hole (18) in a threaded manner.