CN220218249U - Quick assembly type ratchet wrench - Google Patents

Abstract

The utility model discloses a quick-assembly ratchet wrench which comprises a handle, wherein a connecting piece is arranged at the top of the handle, a ratchet wrench head is arranged at the upper end of the connecting piece, a slot is formed in the center of the upper end of the connecting piece, an inserting piece is fixedly arranged in the center of the bottom of the ratchet wrench head, and the lower end of the inserting piece penetrates into the slot and is in contact with the inner wall of the slot. This quick assembly formula ratchet spanner, through the connecting piece, the plug connector, the draw-in groove, the nut cover, first gear, the second gear, the screw rod, the impeller, the movable block, the spring, extension board and the design of joint spare, when changing different ratchet spanner heads, run through the plug connector of its bottom in the slot and rotate the knob, make the screw rod drive the impeller along with the nut cover lift up through transmission structure, the inclined plane of impeller both sides contacts with the inclined plane of two movable blocks respectively, thereby make two movable blocks drive two extension boards and move in opposite directions.

Description

Quick assembly type ratchet wrench

Technical Field

The utility model relates to the technical field of ratchet wrenches, in particular to a quick-assembly ratchet wrench.

Background

The ratchet wrench is a manual screw tightening tool, which is composed of a main plum blossom sleeve and a slave plum blossom sleeve with different specifications and sizes, and is connected by a female key and a male key of a hinged key in a meshed mode. The ratchet wrench is used for the tightening operation of the screw, and has the characteristics of strong applicability, convenient use and low manufacturing cost.

The utility model provides a reference "friction ratchet spanner" that patent number is (CN 218462032U), its disclosure is when carrying out narrow and small space operation, through dismantling connecting portion and holding portion, thereby will shorten the length of handle, so that with ratchet spanner headgear on the bolt, loosen or fasten the bolt, convenient operation, the suitability of spanner has been increased, above-mentioned though can realize dismantling ratchet spanner through the bolt, but, adopt the mode of bolt fastening needs to screw up or screw out with the help of other instruments, because need dismantle the bolt when dismantling, if the bolt is under the condition of losing, then can't assemble ratchet spanner, the assembly process is comparatively troublesome and can't reach the effect of rapid Assembly, ratchet spanner's practicality has been reduced, inconvenient user's use. Therefore, we propose a quick-assembly ratchet wrench.

Disclosure of Invention

The utility model aims to provide a quick assembly type ratchet wrench, which solves the problems that in the prior art, a bolt is required to be screwed down or out by other tools in a bolt fixing mode, the bolt is required to be disassembled during disassembly, if the bolt is lost, the ratchet wrench cannot be assembled, the assembling process is troublesome, the quick assembly effect cannot be achieved, the practicability of the ratchet wrench is reduced, and the use of a user is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a quick assembly formula ratchet spanner, includes the handle, the top of handle is provided with the connecting piece, the upper end of connecting piece is provided with the ratchet spanner head, the slot has been seted up at the center of connecting piece upper end, the center fixed mounting of ratchet spanner head bottom has the plug connector, the lower extreme of plug connector runs through to the inside of slot and with the inner wall contact of slot, first cavity and second cavity have been seted up respectively by central point in the connecting piece and by bottom position, the top at the center is provided with the nut cover in the second cavity, the bottom position movable mounting of connecting piece one side has the stock, the one end of stock runs through to the inside of second cavity and fixed mounting has first gear, the lower extreme fixedly connected with second gear of nut cover, the equal fixedly connected with spring in center of first cavity inner wall both sides, the equal fixedly connected with movable block of one side of two springs, be provided with the pushing piece between two movable blocks, the center of pushing piece lower extreme is provided with the screw rod, the lower extreme of screw rod runs through second cavity in proper order and the second cavity and runs through the second cavity and extends to the inside of two draw-in plate, two draw-in plate extension board inside two opposite sides extend to the inside the slot, two draw-in plate extension board extend to the inside two side of extension board, the inside the two draw-in plate runs through the inside of two draw-in plate sets up respectively, the inside of two draw-in plate extension board extend to the inside the two side respectively, the inside extension board is set up to the inside extension board.

Compared with the prior art, the utility model has the beneficial effects that:

this quick assembly formula ratchet spanner, through the connecting piece, the plug connector, the draw-in groove, the nut cover, first gear, the second gear, the screw rod, the impeller, the movable block, the spring, extension board and the design of joint spare, when changing different ratchet spanner heads, run through in the slot with the plug connector of its bottom and rotate the knob, make the screw rod drive the impeller along with the nut cover jack-up, the inclined plane of impeller both sides contact with the inclined plane of two movable blocks respectively, thereby make two movable blocks drive two extension boards and move in opposite directions, the draw-in groove joint on the joint spare and the plug connector on the messenger extension board, the resettable nature of spring can make two movable blocks contact with the impeller all the time when vertical migration, thereby be convenient for carry out quick assembly to the ratchet spanner head, the practicality of ratchet spanner has been improved, the user's use of being convenient for.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged partial schematic view of the FIG. 2A;

FIG. 4 is an enlarged partial schematic view of the B of FIG. 2 according to the present utility model;

fig. 5 is a structural perspective view of the moving block of the present utility model.

In the figure: 1. a handle; 2. a connecting piece; 3. a ratchet wrench head; 4. a slot; 5. a plug-in component; 6. a clamping groove; 7. a first cavity; 8. a second cavity; 9. a nut sleeve; 10. a rotary knob; 11. a long rod; 12. a first gear; 13. a second gear; 14. a screw; 15. a pushing member; 16. a moving block; 17. a spring; 18. an extension plate; 19. and the clamping piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the center of the upper end of the handle 1 is provided with a groove, the center of the lower end of the connecting piece 2 is welded with a movable block, the lower end of the movable block extends to the inside of the groove and is movably connected with the inner wall of the groove through a rotating shaft fixedly connected with the centers of the two sides of the movable block, the angle of the handle 1 can be changed, and a user can conveniently use the ratchet wrench according to different operation requirements.

The outer wall movable mounting of nut cover 9 has first bearing, and the outer wall of first bearing and the inner wall fixed connection of second cavity 8 for carry out rotary support to nut cover 9.

The first gear 12 and the second gear 13 are both arranged in a conical structure, the first gear 12 is in meshed connection with the second gear 13, and the first gear 12 can rotate to be meshed with the second gear 13 and simultaneously rotate.

The other end of the long rod 11 is fixedly provided with a rotary knob 10, the surface of the rotary knob 10 is provided with an anti-slip groove, the surface of the handle 1 is sleeved with an anti-slip sleeve, the ratchet wrench head 3 can be assembled by rotating the rotary knob 10, and the anti-slip sleeve can improve the comfort of a user during operation.

The upper end of the screw rod 14 is movably connected with a second bearing fixedly arranged at the center of the bottom of the pushing piece 15, the outer wall of the screw rod 14 is in threaded connection with the inner wall of the nut sleeve 9, and when the nut sleeve 9 rotates, the screw rod 14 moves upwards along with the nut sleeve 9 and drives the pushing piece 15 to vertically move.

The two moving blocks 16 are symmetrically arranged, the two moving blocks 16 are respectively contacted with the inclined surfaces arranged at two sides of the pushing piece 15 through the inclined surfaces arranged at the opposite sides, and the pushing piece 15 can simultaneously move against the two moving blocks 16 in opposite directions when moving upwards.

Working principle: when the ratchet wrench head 3 is required to be assembled, firstly, the plug-in connector 5 at the bottom of the ratchet wrench head is inserted into the slot 4, then, the long rod 11 is meshed with the second gear 13 through the first gear 12 to rotate by rotating the rotary knob 10, the second gear 13 drives the nut sleeve 9 to rotate in the first bearing, at the moment, the screw 14 pushes the pushing piece 15 upwards along with the rotation of the nut sleeve 9 to move, the moving pieces 16 at two sides are pushed to move simultaneously in the process that the pushing piece 15 moves upwards, and at the moment, the moving pieces 16 drive the clamping pieces 19 to penetrate through the clamping grooves 6 through the extension plates 18, so that the assembly is completed.

To sum up: according to the quick assembly type ratchet wrench, through the design of the connecting piece 2, the plug connector 5, the clamping groove 6, the nut sleeve 9, the first gear 12, the second gear 13, the screw rod 14, the pushing piece 15, the moving block 16, the spring 17, the extension plate 18 and the clamping piece 19, when different ratchet wrench heads 3 are replaced, the plug connector 5 at the bottom of the ratchet wrench head penetrates through the slot 4 and rotates the rotary knob 10, the screw rod 14 drives the pushing piece 15 to lift up along with the nut sleeve 9 through the transmission structure, the inclined planes on two sides of the pushing piece 15 are respectively contacted with the inclined planes of the two moving blocks 16, so that the two moving blocks 16 drive the two extension plates 18 to move back to back, the clamping piece 19 on the extension plate 18 is clamped with the clamping groove 6 on the plug connector 5, and the resettable property of the spring 17 can enable the pushing piece 15 to be always contacted with the pushing piece 15 when the two moving vertically, thereby facilitating quick assembly of the ratchet wrench heads 3, and improving the practicability of a ratchet wrench for a user.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a quick assembly formula ratchet spanner, includes handle (1), its characterized in that: the top of handle (1) is provided with connecting piece (2), the upper end of connecting piece (2) is provided with ratchet spanner head (3), slot (4) have been seted up at the center of connecting piece (2) upper end, the center fixed mounting of ratchet spanner head (3) bottom has plug connector (5), the lower extreme of plug connector (5) runs through to the inside of slot (4) and with the inner wall contact of slot (4), first cavity (7) and second cavity (8) have been seted up respectively by central point in connecting piece (2) and by bottom point, the top at the inner center of second cavity (8) is provided with nut cover (9), the movable mounting near bottom point in connecting piece (2) one side has stock (11), the one end of stock (11) runs through to the inside of second cavity (8) and fixedly mounted first gear (12), the lower extreme of nut cover (9) is connected with second gear (13), the center of first cavity (7) inner wall both sides is connected with spring (17) and two ends (16) are all provided with two and are pushed by two fixed connection piece (16) between two screw rod (15) and are provided with two fixed connection piece (15), the lower extreme of screw rod (14) runs through second cavity (8), nut cover (9) in proper order and extends to the outside of second gear (13), the movable groove has all been seted up to the both sides position of leaning on at first cavity (7) top, one side fixedly connected with extension board (18) at movable block (16) top, the inside that two movable grooves are run through respectively and extend to slot (4) is served to the upper end of two extension boards (18), plug connector (5) are concave structure setting, two draw-in grooves (6) have been offered respectively to the both sides of plug connector (5) inner wall, two clamping pieces (19) are offered respectively to one side that two extension boards (18) are opposite to each other fixedly connected with, and one side that four clamping pieces (19) that both sides set up are opposite runs through respectively to the inside of four draw-in grooves (6) and with the inner wall contact of draw-in groove (6).

2. The quick assembly ratchet wrench of claim 1, wherein: the center of handle (1) upper end is offered flutedly, the center welding of connecting piece (2) lower extreme has the movable block, and the lower extreme of movable block extends to the inside of recess and through its both sides center fixed connection's pivot and the inner wall swing joint of recess.

3. The quick assembly ratchet wrench of claim 1, wherein: the outer wall of the nut sleeve (9) is movably provided with a first bearing, and the outer wall of the first bearing is fixedly connected with the inner wall of the second cavity (8).

4. The quick assembly ratchet wrench of claim 1, wherein: the first gear (12) and the second gear (13) are arranged in a conical structure, and the first gear (12) is connected with the second gear (13) in a meshed mode.

5. The quick assembly ratchet wrench of claim 1, wherein: the anti-skid handle is characterized in that a rotary knob (10) is fixedly arranged at the other end of the long rod (11), an anti-skid groove is formed in the surface of the rotary knob (10), and an anti-skid sleeve is sleeved on the surface of the handle (1).

6. The quick assembly ratchet wrench of claim 1, wherein: the upper end of the screw rod (14) is movably connected with a second bearing fixedly arranged at the center of the bottom of the pushing piece (15), and the outer wall of the screw rod (14) is in threaded connection with the inner wall of the nut sleeve (9).

7. The quick assembly ratchet wrench of claim 1, wherein: the two moving blocks (16) are symmetrically arranged, and the two moving blocks (16) are respectively contacted with the inclined surfaces arranged on two sides of the pushing piece (15) through the inclined surfaces arranged on the opposite sides.