CN110842840A

CN110842840A - Labor-saving quick wrench

Info

Publication number: CN110842840A
Application number: CN201911399713.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Guizhou Yongchangfu Technology Co Ltd
Current assignee: Guizhou Yongchangfu Technology Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-02-28

Abstract

The invention discloses a labor-saving quick wrench, which comprises a shell and an accelerating mechanism arranged in the shell, wherein the accelerating mechanism drives a flywheel to rotate, and the flywheel drives a driven main shaft mechanism to rotate; according to the labor-saving quick wrench, the flywheel is accelerated through the speed change gear set mechanism, when the flywheel rotates at a high speed, the gravity block component acts under the action of centrifugal force to be connected with the bump, the driven wheel and the main shaft are pushed to rotate, and the working head obtains required rotating force to quickly disassemble and assemble the screw and the nut; the quick labor-saving wrench has the advantages of being labor-saving, high in speed, capable of replacing working heads with different sizes to adapt to the disassembly and assembly of various screws and nuts, convenient to disassemble and assemble the working heads, high in flexibility and convenient to improve the working efficiency.

Description

Labor-saving quick wrench

Technical Field

The invention relates to the technical field of screw and nut dismounting equipment, in particular to a tool used in various fields of industry, civil use and the like.

Background

At present, various devices and vehicles are developed at a high speed, and screws and nuts are one of indispensable elements of various devices, so that the screws and nuts are used to form assembling and disassembling tools; the existing market has a lot of mature tools, such as open-end wrenches and double offset ring wrenches, which are not labor-saving and slow in speed, and have limitations when being used, such as storm machines, electric screwdrivers and the like, wherein the storm machines need to be externally connected with an assistance air pump when being used, and the electric tools need to use electricity; however, some occasions of use do not have the conditions, for example, original tools such as a socket wrench are used in field operation, tire replacement in the middle of an automobile and the like.

Particularly, when the automobile tire is replaced in field operation, the screw is tight and difficult to detach, and the force is not enough to detach; the force of screwing the screw is insufficient during assembly, the assembly quality cannot be achieved, and hidden danger is brought to driving.

At present, the efficiency of a socket wrench adopted in general operation is very low; if the work efficiency is to be improved, it is not practical to carry the storm machine or the electric tool to the operation site; therefore, the screw and nut disassembling and assembling tool which is convenient to carry and high in efficiency is designed, and the screw and nut disassembling and assembling tool has great significance.

Disclosure of Invention

The invention aims to solve the technical problems in the background technology and provides a device which is simple in structure, convenient to use, good in using effect, convenient to carry, capable of effectively improving working efficiency and achieving quick dismounting and mounting of nuts and screws, in particular to a labor-saving quick wrench.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a laborsaving speed wrench, including the casing with set up in accelerating gear, storage power flywheel, the rotatory slewing mechanism of strength conveying axle in the casing, the casing is including circle type barrel and apron, the apron is fixed in and constitutes circle section of thick bamboo structure on the cylinder both ends the apron of barrel is equipped with the connecting axle export, gear train acceleration mechanism sets up to be close to in the casing of crank handle one side, gear train acceleration mechanism is used for accelerating main shaft drive mechanism.

Furthermore, the labor-saving quick wrench is characterized in that the main shaft rotating mechanism comprises a rocking handle, a gear accelerating assembly, a connecting shaft, a flywheel, a gravity slider, a bump, a driven wheel and a main shaft, wherein the accelerating gear set is connected with the flywheel through the connecting shaft and a transition gear, a large gear in the gear set drives a small gear, the gear is connected with a transmission shaft, the transmission shaft is connected with a cover plate and a middle plate, in order to increase the rotating speed required by the flywheel and reduce the volume of the gear set, a plurality of groups of gears are arranged to form a gear accelerating gearbox, the direction of rotation of the rocking handle is changed, the rotating direction of the rocking handle is kept consistent with the rotating direction of the working head, the gears are mutually meshed and connected, the gear sets are connected through the connecting shaft, the accelerating gear set is connected with the flywheel assembly through the connecting shaft, the connecting, The transition gear is connected with the connecting shaft, and the flywheel is in meshed connection with the transition gear through flywheel teeth.

Further, the invention relates to a labor-saving fast wrench, wherein the rotary output assembly mechanism comprises flywheel teeth, a flywheel, a gravity slider, a reset spring, a gravity slider, a spring seat, a driven wheel bump and a working main shaft, the flywheel teeth are cast into a whole with the flywheel, the flywheel teeth are connected with a transition tooth meshing wheel, the main shaft passes through the center of the flywheel and is connected with the flywheel through a bearing, the flywheel and the main shaft are positioned on a concentric circle, the flywheel can rotate on the main shaft, the gravity block is inserted into a flywheel dovetail chute, the gravity slider can slide on a dovetail groove on the flywheel, the spring fixing seat is fixedly connected with the tail of the dovetail slider, the other end of the spring fixing seat is fixedly connected with the flywheel, one end of the reset spring is connected with the gravity slider spring fixing seat, the other end of the dovetail is connected with the, the gravity block slides to the outer circle of the flywheel when the flywheel rotates at a high speed, the edge of the gravity block is parallel to the outer circle of the flywheel, the compression spring acts on that the sliding block returns to the initial state after the flywheel stops rotating, the driven wheel is connected with the main shaft and fixed on the main shaft, the semicircular lug is positioned at the edge of the driven wheel and is parallel to the outer circle of the driven wheel, when the flywheel rotates at a high speed, the gravity block slides to the edge of the flywheel under the action of centrifugal force, when the gravity block reaches the edge of the flywheel, the gravity block and the lug rotating track of the lug are overlapped in space, at the moment, the sliding block and the lug of the driven wheel are positioned in the same circular track, the gravity block and the lug are connected with each other, the sliding block pushes the lug to rotate, the driven wheel is connected with.

Furthermore, the labor-saving speed wrench is characterized in that the gear accelerating component and the working component are connected through a cylindrical shell, the gear and the connecting shaft are positioned on a concentric circle, the connecting shaft and the shell are arranged in the cylindrical shell in parallel, three shafts are respectively connected with the accelerating component and the working component through the gears, one end of each three shaft is connected with the gear of the accelerating component, the other end of each three shaft is connected with the transition gear and the flywheel gear of the transition gear, the three shafts are arranged in the cylindrical shell in parallel and fixedly connected with the first middle plate and the second middle cover through bearings, the working component is arranged in the middle of the cylindrical shell in parallel, the tail end of the main shaft is fixed on the second middle plate through bearings, the other end of the main shaft is fixed on the shell end cover through bearings, the main shaft and the flywheel are positioned on a concentric circle, the, the main shaft extends to the outside of the end cover and is connected with the working head to form a complete working main part.

Furthermore, the labor-saving speeder wrench is characterized in that the handle is sleeved on the rocking handle and connected with the rocking handle through a bearing, anti-slip threads are carved on the handle, the handle is held to rotate clockwise or anticlockwise during use to provide force required by rotation of the gear set, and the rocking handle and the connecting shaft are movably connected and are convenient to disassemble and store.

Furthermore, the labor-saving quick wrench is characterized in that the support frame is vertically arranged on the cylindrical shell, is movably connected to the shell connecting seat and is screwed and fixed by screws, the support frame is movably connected with the connecting block in parallel, the support frame is provided with long adjusting holes, the connecting block and the support frame are screwed and fixed by screws, the connecting block and the base are connected and fixed by screws, the support frame, the adjusting block and the support frame are provided with the long holes, the long holes are used for conveniently aligning working points of the working heads, and the adjusting block and the base are movably connected at the corners and are conveniently folded and stored.

Further, the present invention provides a labor-saving speed wrench, wherein the bottom plate is parallel to the wrench body

The round shell is arranged, so that the bottom plate can be conveniently pressed by the gravity of the tire when the automobile tire is replaced, and the tire screw can be conveniently disassembled and installed.

Compared with the prior art, the labor-saving quick wrench has the beneficial effects that: the invention relates to a labor-saving quick wrench, which is characterized in that a gear speed change mechanism is arranged in a shell and accelerates a flywheel, the flywheel slider mechanism is used for triggering the rotation of a driven wheel mechanism, and a rotating force stored by the flywheel is transferred to the driven wheel mechanism through a slider and a driven wheel bump.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the assembly of the present invention with the housing partially removed;

figure 3 is a plan view of the flywheel assembly.

Fig. 4 is an enlarged view of the flywheel teeth in elevation.

Fig. 5 is a plan view of the driven wheel assembly.

Fig. 6 is an enlarged view of the gravity block mechanism.

Fig. 7 is an enlarged top view of the gravity block.

Fig. 8 is an enlarged side view of the support bracket adjustment assembly.

Shown in the figure: 1-rocking handle, 2-first gear shaft, 3-first gear, 4-second gear, 5-second gear shaft, 6-third gear, 7-fourth gear, 8-third gear shaft, 9-transition gear, 10-flywheel gear, 11-flywheel, 12-reset spring, 13-gravity slider, 14-dovetail chute, 15-driven wheel, 16-lug, 17-working main shaft, 18-connecting seat, 19-supporting rod, 20-adjusting hole, 21-upper locking screw, 22-middle connecting plate, 23-lower locking screw, 24-lower adjusting plate, 25-bottom plate, 26-front cover, 27-front cylinder, 28-rear cylinder, 29-middle cover, 30-middle plate, 31-handle, 32-tail cover, 33-a main shaft bearing, 34-a flywheel convex ring, 35-a flywheel spring seat, 36-a sliding block spring seat, 37-a movable connecting shaft, 38-a rocking handle socket, 39-a support fixing screw, 40-a bump rail conveying groove, 41-a fixed seat, 42-a gravity top block surface, 43-a change gear and 44-a four-tooth shaft.

Detailed Description

To further illustrate the concepts of the present invention, embodiments of the present invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 6, the labor-saving speed wrench of the present invention comprises a cylindrical housing 27 and a cylindrical housing 28, a gear accelerating mechanism disposed in the housing 27, a flywheel assembly and a main shaft assembly mechanism disposed in the housing 28, wherein the housing 27 comprises a front cover 26 and a middle plate 30, the front cover 26 is fixed on the top end of the cylindrical housing 27, the housing 28 comprises a tail cover 32 and a middle cover 29, the tail cover 32 and the middle cover 29 are fixed on both ends of the rear cylindrical housing 28, the cylindrical housing 27 is fixed on the middle cover 29, a round hole is left on the front cover 26, one end of a shaft 2 is fixed on the middle plate 30 through a bearing, the other end of the shaft 2 is fixed on the front cover 26 through a bearing, the shaft 2 extends to the outside through the round hole of the cover plate 26, a rocking handle socket 38 is disposed on the end of the connecting shaft 2 extending to the outside, the rocking handle 1 is inserted into the rocking handle socket 38 for connection, the crank handle is used for providing rotating force for the gear set.

Further, the labor-saving quick wrench of the present invention comprises a gear set accelerating mechanism crank handle 1, a front cover 26, a gear shaft 2, a gear 3, a gear 4, a gear shaft 5, a middle plate 30, a third gear 6, a fourth gear 7, a third gear 8, a direction changing gear 43, a fourth gear 44, a middle plate 29 and a cylinder 27, wherein the cylinder housing 27 is fixedly connected through the middle cover 29, two sets of speed changing gears are arranged in the gear speed changing set, the gear 3 is provided with the pinion 4 to increase the rotation speed, the gear shaft 2 passes through the center of the gear 3 and is fixedly connected with the gear wheel, the connecting shaft 5 passes through the pinion 4 and is fixedly connected, the gear 3 and the gear wheel 4 are in a plane and are in meshed connection with each other, one end of the connecting shaft 5 passes through the bearing to connect with the front cover plate 26, the other end passes through the middle plate 30 and is connected with the middle plate through the bearing, the second shaft 5 passes through the center of the gear wheel 6 and is, the four-gear shaft 44 penetrates through the direction changing gear 43 to be connected with the direction changing gear, the three gear 6 and the direction changing gear 43 are in meshing connection on a plane, the direction changing gear 43 and the four gear 7 are in meshing connection on a plane, one end of the four-gear shaft 44 is connected with the middle plate 30, the three shaft 8 penetrates through the middle cover 29 and is fixedly connected with the middle cover 29 through a bearing, the other end of the three shaft 8 is fixedly connected with the middle plate 30 through a bearing, the end part extending out of the three shaft 8 is connected with the center of the transition gear 9, the three shaft 8 penetrates through the center of the small gear 7 to be fixedly connected with the small gear, the three gear 6 and the four gear 7 are in meshing connection on a plane, and the transition gear 9 and the flywheel teeth 10 are in.

Further, the labor-saving speed wrench of the present invention, wherein the working assembly mechanism is located in the rear cylinder 28, the working assembly comprises a flywheel 11 mechanism, a gravity slider 13 assembly, a return spring set 12, the driven wheel 15, the projection 16, the main shaft 17, a main shaft bearing 33, a main shaft connector 18, the flywheel teeth 10 and the transition gear 9 are in gear coupling connection with the transition gear 9 of the flywheel teeth 10 on the same plane, the flywheel teeth 10 and the flywheel 11 are cast into one body and connected, the flywheel 11 is correspondingly provided with a chute 40 with the same size as the gravity slider 14, the gravity slider 14 can freely slide in the dovetail groove 40, the slider 13 is inserted into the flywheel chute 40 and movably connected in the flywheel dovetail groove, the return spring seat 36 is connected to the tail of the gravity slider 13, two sides of the gravity block 13 are respectively connected with a flywheel spring seat 35, one end of the gravity block return spring 12 is connected to the slider 36, the other end is fixed at the flywheel spring seat, when the flywheel 11 rotates at a high speed, the gravity block 13 slides to the edge of the flywheel under the action of centrifugal force, the working spindle 17 penetrates through the center of the driven wheel 15 and is fixedly connected with the driven wheel, the edge of the driven wheel 15 is provided with a semicircular lug 16, when the top end 42 of the gravity block reaches the edge of the flywheel 11, the gravity block and the lug 16 are positioned on a circumferential track in space, meanwhile, the gravity block 13 is connected with the lug 16, the high-speed rotating force of the flywheel 11 is transmitted to the driven wheel 15 to rotate, the driven wheel 15 rotates to drive the working spindle 17 to rotate, and the connecting seat 18 drives the working head to complete the disassembly and the.

Furthermore, the labor-saving speed wrench is characterized in that the flywheel assembly of the working main shaft 17 is arranged in the shell 28 in a parallel state, the working main shaft 17 is connected with the cover plate at the center position through the bearing 33, and the working assemblies are connected into a whole along the length direction of the working main shaft through the shell.

Furthermore, the labor-saving quick wrench has the advantages that the plug of the rocking handle 1 and the working spindle connecting seat 18 are the same in size, and the rocking handle can be directly connected with a working head for use.

Furthermore, according to the labor-saving speed wrench, the elbow of the rocking handle 1 penetrates through the handle 31 and is connected with the rocking handle 1 through the bearing, the anti-slip threads are carved on the outside of the handle 31, the handle is held to rotate clockwise or anticlockwise to provide force required by rotation of the gear set when the wrench is used, and the rocking handle 1 and the connecting shaft 2 are connected through the socket 38 to be convenient to disassemble and store.

Furthermore, the labor-saving speed wrench is characterized in that the support rod 19 is vertically arranged on the rear cylinder shell 28 and is screwed and fixedly connected with the shell fixing seat 41 and the support fixing screw 39, the support frame 19 is movably connected with the connecting block 22 in parallel, the support frame is provided with the long adjusting hole 20, the connecting block is screwed and fixedly connected with the support frame through the screw 21, the connecting block 22 is screwed and fixed with the lower adjusting plate 24 through the movable connecting screw 23, the support rod 19, the middle connecting plate 22 and the long hole 20 of the support rod 19 are used for conveniently aligning a working point of a working head on the connecting seat 18, and the adjusting block 24 is movably connected with a corner of the base and is convenient to fold and store.

Further, the base plate 25 is arranged in the cylindrical shell 28 in parallel, so that the base plate can be conveniently pressed by the gravity of the tire and a tire screw can be conveniently detached and installed when the automobile tire is replaced.

Further, the labor-saving speed wrench is characterized in that rust-proof layers are sprayed outside the shell, on the support and the rocking handle.

The labor-saving quick wrench has the working principle that: when the screw and nut dismounting machine is used, the handle is held, the rocking handle is rotated anticlockwise or clockwise according to requirements, the gear set is driven to rotate, the gear set drives the flywheel to rotate through the gear and the flywheel teeth, when the rotating speed of the flywheel rises to a certain degree, the gravity block slides to the edge of the flywheel under the action of centrifugal force, the gravity block is connected with a driven wheel bump at the moment, the rotating force of the flywheel drives the driven wheel to rotate, the driven wheel rotates to drive the main shaft to rotate, and the rotating force is output to the working head after the main shaft rotates to finish the.

In conclusion, the labor-saving quick wrench provided by the invention can be used for disassembling and assembling screws and nuts through the crank mechanism, the accelerating mechanism, the flywheel mechanism and the main shaft mechanism, is labor-saving and quick in speed, and can realize continuous operation. The labor-saving quick wrench has the advantages of simple structure, novel design, convenience in operation and use, good dismounting and mounting effects, safety, practicability, strong universality and suitability for general popularization and use.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art, and any modifications, equivalents, improvements, etc. made by using the present invention should be included in the protection scope of the present invention.

Claims

1. A labor-saving quick wrench is characterized in that: install the bearing in rocking handle (1), rocking handle (31), the handle, rocking handle (1) is inserted with connecting axle (38) and is connected, apron (26) and casing (27) constitute the gear box shell with well lid (29), shell (28) and well lid (29) and tail cover board (32) constitute the working component casing, a tooth axle (2) and two tooth axle (5) and three tooth axle (8) four tooth axle (44), gear (3) and gear (4) and gear (6) and gear (43) and gear (7) in casing (26) constitute gear acceleration gearbox, gear shaft (44) and gear (43) constitute the gear diversion, keep the direction of rotation of rocking handle (1) unanimous with connecting seat (18) direction of rotation, give flywheel (11) with higher speed through connecting axle (8) and gear (9), gravity piece (13) outwards roll-off under the effect of centrifugal force, The gravity block (13) slides out of the edge of the flywheel bump running groove (40) and is connected with the bump (16), the flywheel (11) drives the driven wheel (15) to rotate, and the driven wheel (15) drives the main shaft (17) to rotate after rotating; the working head on the working head (18) is driven to rotate after the working head (17) rotates; the gear box accelerates the flywheel, the flywheel drives the driven wheel to rotate with the main shaft, and the screw and the nut are disassembled and assembled.

2. A power saving speed wrench as claimed in claim 1, wherein: the connecting shaft (8) is connected with a gear (9), the connecting shaft (8) penetrates through a middle cover (29) to be movably connected with the middle cover, the tail end of the connecting shaft (8) is connected with a middle plate (30), a main transmission shaft (17) penetrates through a shell end cover (32) to be connected with the end cover through a bearing (33), the tail end of the transmission shaft (17) is connected with the middle cover (29) through the bearing, flywheel teeth (10) and a flywheel (11) are cast into a whole and connected, the main transmission shaft (17) penetrates through the flywheel teeth (10) to be capable of rotating on the main transmission shaft, a main shaft (17) penetrates through a driven wheel (15) to be fixed on the main shaft, a bump (16) and the fixed driven wheel (15) are cast into a whole, and the top end (18) of the main shaft is square and is.

3. A power saving speed wrench as claimed in claim 2, wherein: the flywheel (11) is provided with a dovetail groove (14), the gravity block (13) can be placed in the groove opening, the gravity block can freely slide in the dovetail groove (14), an opening flywheel convex circular ring (34) is cast on the flywheel (11), the flywheel convex circular ring (34) is parallel to a gravity block (13) sliding groove and is positioned at the same position, the circular ring (34) plane and the gravity block (13) plane are positioned at the same height, the flywheel (11) is provided with a return spring (12), one end of the spring is fixed on a base (35), the other end of the spring is connected to a spring fixing seat (36), the gravity sliding block (13) slides out towards the outer edge of the flywheel under the action of centrifugal force after the flywheel rotates at high speed, when the gravity block top (42) is close to the outer circle of the flywheel (11), at the moment, the gravity block (13) and the lug (16) are positioned at the same rotating track, and because the gravity block (, Therefore, the sliding block (13) and the convex block (16) are connected on the same space track, the rotating force of the flywheel (11) is transmitted to the driven wheel (15), and the driven wheel (15) obtains the rotating force to drive the working head on the main shaft (18) to work.

4. A power saving speed wrench as claimed in claim 2, wherein: the projections (16) and (15) are cast into a whole to enhance the mechanical strength.

5. A power saving speed wrench as claimed in claim 1, wherein: connect fixing base (41) and connect and screw up fixedly, altitude mixture control through screw (21) in regulation hole (20) through screw (39) in casing (28) and base bracing piece (19) and realize, bracing piece (19) pass through screw (21) fixed connection, connecting plate (22) and (24) pass through adjusting screw (23) fixed connection, connecting plate (24) are connected through pivot (37) with bottom plate (25).

6. A power saving speed wrench as claimed in claim 1, wherein: the rocking handle (1) is connected with the handle (31), the anti-skidding reticulate pattern is carved on the outer side of the handle (31), the rolling bearing is arranged on the inner side of the handle, the rocking handle (1) is connected with the connecting shaft (2), and the rocking handle (38) is a butt joint of the rocking handle and a shaft.

7. A power saving speed wrench as claimed in claim 1, wherein: support frame (19) and fixing base (41) swing joint, connecting block (24) and bottom plate (25) swing joint, support frame collapsible be on a parallel with shell (27), screw (23) and connecting plate (22) and connecting plate (24) adjust hole (20) and adjusting screw (21) cooperation and adjust the position of operating point (18), bottom plate (25) are connected with connecting axle (37), and bottom plate (25) can fold in parallel in support frame (19), and bottom plate (25) can be folded with the heavy object and is folded and press the stable work of being convenient for.

8. A power saving speed wrench as claimed in claim 7, wherein: bracing piece (19) and regulation (22) pass through screw (21) swing joint, connecting plate (22) pass through screw (23) swing joint with connecting plate (24) bracing piece (19) and regulation hole (20) and adjusting screw (21) and connecting rod (22) and connecting plate (24) and screw (23) cooperate the operating point position of adjusting operating point (18).