CN118269033B - Self-locking reducing socket wrench - Google Patents
Self-locking reducing socket wrench Download PDFInfo
- Publication number
- CN118269033B CN118269033B CN202410707820.8A CN202410707820A CN118269033B CN 118269033 B CN118269033 B CN 118269033B CN 202410707820 A CN202410707820 A CN 202410707820A CN 118269033 B CN118269033 B CN 118269033B
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- rotating shaft
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- clamping jaw
- clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a self-locking variable-diameter socket wrench, which belongs to the technical field of socket wrenches, and aims to enable a worker to hold a grab handle and directly sleeve the socket on the surface of a bolt through a clamping mechanism, a transmission mechanism and the like, then rotate a second rotating shaft through fingers, enable the second rotating shaft to drive a first gear to rotate through a second gear, enable three adjusting grooves formed in the surface of the first gear to drive the surface to synchronously rotate and push a connecting shaft to move, enable the connecting shaft to drive clamping jaws and a movable piece to horizontally move under the limit of a limit rail, enable the three clamping jaws to be attached to the surface of the bolt, and further achieve the purposes of adjusting the positions of the clamping jaws at the positions of the grab handles and enabling the clamping jaws to be attached to the bolt tightly.
Description
Technical Field
The invention relates to the technical field of socket wrenches, in particular to a self-locking variable-diameter socket wrench.
Background
The socket wrench is a tool composed of a plurality of sockets with hexagonal holes or dodecagonal holes and a plurality of accessories such as handles, connecting rods and the like, when the socket wrench is used, the sizes of bolts or nuts are needed to be determined at first, corresponding sockets are selected, in order to simplify the process of adapting to bolts with different sizes, the socket wrench capable of reducing is arranged, the socket wrench generally comprises a screwing head, a floating seat, an adjusting mandrel, clamping jaws and the like which are nested at the lower end of the floating seat in a sliding manner at intervals, the adjusting mandrel is rotated and pulled to move within a certain range by rotating the screwing head until the adjusting mandrel contacts with the outer wall of the bolts, the positions of the clamping jaws are fixed by utilizing a self-locking structure, and then the socket is aligned with the bolts to perform screwing or unscrewing operation;
However, in the actual use process, in order to adjust the positions of the clamping jaws, most of the screwing head, the floating seat and the adjusting mandrel are integrated on the sleeve, when a bolt needing to be screwed or unscrewed is positioned in a narrow or sunken space, due to the problems of visual field or light, workers can not confirm the size of the bolt through naked eyes, therefore, the workers are required to adjust the positions of the clamping jaws for many times, try to sleeve the clamping jaws on the surface of the bolt in the adjustment process, apply a rotating force to confirm whether the clamping jaws are tightly attached to the bolt, apply force to rotate if the clamping jaws are not tightly attached to the bolt, and due to insufficient contact area, the friction force between the clamping jaws and the bolt is insufficient to provide enough holding force, slipping easily occurs during rotation, so that torque cannot be effectively transmitted, the bolt can not be screwed or unscrewed, the clamping jaws and the bolt can be subjected to uneven stress, the problems of deformation, scratch or fracture and the like can occur on the surface of the clamping jaws and the bolt, and the operation is inconvenient;
And bolts located in narrow or recessed spaces are often difficult to maintain on a daily basis, and after the surfaces are exposed to lubricants or corrosive media, these substances may penetrate into the micro cracks or pores in the bolt surfaces, causing the material to wear gradually, the corners of the hexagons becoming less obvious, and the tight fit of the jaws to the bolts is more difficult.
Disclosure of Invention
The invention aims at: in order to solve the problems that when a bolt which needs to be screwed or unscrewed is positioned in a narrow or sunken space, a worker cannot confirm the size of the bolt through naked eyes due to the problems of visual field or light, the worker is required to adjust the position of a clamping jaw for many times, try to sleeve the clamping jaw on the surface of the bolt in the adjusting process, apply a rotating force to confirm whether the clamping jaw is tightly attached to the bolt, and the operation is inconvenient, the self-locking variable-diameter socket wrench is provided.
In order to achieve the purpose, the invention adopts the following technology, namely a self-locking variable-diameter socket wrench:
The socket wrench comprises a socket wrench body, wherein the socket wrench body comprises a grab handle for being held and a socket arranged at the tail end of one side of the grab handle, a hexagonal bolt can be inserted into the socket, a socket cavity is formed in the socket, and a mounting shaft is assembled in the middle of the socket cavity;
the clamping mechanism is arranged in the sleeve cavity, a first gear is sleeved on the surface of the mounting shaft in a rotating mode, three adjusting grooves are formed in the surface of the first gear, connecting shafts are arranged in the three adjusting grooves in a penetrating mode, and clamping jaws are fixedly mounted on the connecting shafts;
Three limit rails are arranged on the inner wall of the sleeve cavity, movable pieces are embedded in the limit rails in a sliding manner, the three movable pieces are connected with the clamping jaw, and when the first gear rotates, the three connecting shafts are jointed with the inner wall of the adjusting groove to drive the clamping jaw to horizontally move along the length direction of the limit rails and joint with the hexagonal bolt;
The grab handle is provided with a transmission mechanism, the transmission mechanism comprises a rotatable second rotating shaft and a second gear meshed with the first gear, and the first gear is driven to rotate through the second gear when the second rotating shaft rotates.
Further description of a self-locking variable diameter socket wrench as one of the above techniques:
The transmission mechanism comprises a first rotating shaft rotatably arranged on the inner wall of the sleeve cavity, a second gear meshed with the first gear is sleeved on the surface of the first rotating shaft, and a first transmission wheel is arranged at the top end of the second gear;
the grab handle is characterized in that a grab handle cavity communicated with the sleeve cavity is formed in the grab handle, a second rotating shaft is arranged in the grab handle cavity in a rotating mode, a second driving wheel is sleeved on the surface of the second rotating shaft, one end of a driving belt is sleeved on the second driving wheel in a meshed mode, and the other end of the driving belt penetrates through a channel communicated with the sleeve cavity and the grab handle cavity and is sleeved on the first driving wheel in a meshed mode.
Further description of a self-locking variable diameter socket wrench as one of the above techniques:
A through hole is formed in the sleeve cavity below the first rotating shaft, a locking mechanism for limiting the rotation of the first rotating shaft is arranged in the through hole, the locking mechanism comprises sliding grooves which are formed in the inner wall of the through hole in an equidistance encircling mode, and the sliding grooves comprise straight grooves which are vertically arranged and arc grooves which are formed in the encircling mode;
Limiting blocks are embedded in the sliding grooves in a sliding mode, adjusting buttons located in the middle of the through holes are connected between the limiting blocks, and polygonal limiting pins capable of being inserted into the first rotating shaft are arranged at the top ends of the adjusting buttons.
Further description of a self-locking variable diameter socket wrench as one of the above techniques:
The second rotating shaft is provided with a limiting mechanism, the limiting mechanism comprises a rotating button which is rotationally embedded on the surface of the handle and a ratchet wheel which is sleeved on the surface of the second rotating shaft, and contact surfaces on two sides of teeth on the ratchet wheel are respectively an inclined surface and a horizontal surface;
The rotary knob is characterized in that an installation seat is assembled on the inner wall of the rotary knob, a third rotating shaft is arranged in the middle of the installation seat, a clamping hook clamped into the tooth of the ratchet wheel is rotatably arranged on the surface of the third rotating shaft, a stirring piece penetrating through the outer wall of the rotary knob is integrally formed on the clamping hook, and the stirring piece can enable the clamping hook to rotate around the third rotating shaft as an axis and move out of the ratchet wheel.
Further description of a self-locking variable diameter socket wrench as one of the above techniques:
the surface winding of the third rotating shaft is provided with a torsion spring, one end of the torsion spring is connected to the inner wall of the clamping hook, and the other end of the torsion spring is connected to the inner wall of the mounting seat.
Further description of a self-locking variable diameter socket wrench as one of the above techniques:
The outer wall of the rotary button is provided with an arc-shaped groove for the stirring piece to rotate by taking the third rotating shaft as an axis, and the outer wall of the stirring piece is attached to the inner wall of the arc-shaped groove when the stirring piece is inserted into a tooth gap of the ratchet wheel;
The surface of the stirring piece is provided with a plurality of grooves in an equidistant arrangement.
Further description of a self-locking variable diameter socket wrench as one of the above techniques:
The sleeve cavity below integrated into one piece has three guiding groove, and the both sides outer wall of three guiding groove all is parallel to each other with three clamping jaw outer wall both sides, and guiding groove inside is provided with strengthening mechanism, and strengthening mechanism is including the toothed clamping jaw that can imbed the clamping jaw inside and the surface is provided with the sawtooth and the joint spare that is used for fixed toothed clamping jaw on the clamping jaw, removes the groove and can follow clamping jaw synchronous movement.
Further description of a self-locking variable diameter socket wrench as one of the above techniques:
the reinforcing mechanism further comprises a moving groove formed in the outer wall of the guide groove and a connecting piece movably embedded in the moving groove, wherein the connecting piece is connected with the outer wall of one side of the toothed clamping claw, which is close to the moving groove, and the toothed clamping claw drives the connecting piece to synchronously move along with the clamping claw under the limit of the moving groove.
Further description of a self-locking variable diameter socket wrench as one of the above techniques:
The guide groove is provided with a storage groove communicated with the moving groove, the connecting piece is movably connected with the toothed clamping jaw, the surface of the toothed clamping jaw is provided with a groove for the connecting piece to be partially embedded, and the connecting piece can drive the toothed clamping jaw to move out of the clamping jaw and be inserted into the storage groove.
In summary, since the self-locking variable-diameter socket wrench adopting the technology is adopted, the beneficial effects of the invention are as follows:
1. Through the clamping mechanism, the transmission mechanism and the like, a worker can hold the grab handle and directly sleeve the sleeve on the surface of the bolt, then the second rotating shaft is rotated by fingers, the second rotating shaft drives the first gear to rotate through the second gear, the first gear drives three adjusting grooves formed in the surface to synchronously rotate and push the connecting shaft to move, the connecting shaft can drive the clamping jaw and the movable piece to horizontally move under the limit of the limit rail, and the three clamping jaws are attached to the surface of the bolt, so that the purposes of adjusting the position of the clamping jaw at the position of the grab handle and enabling the clamping jaw to be tightly attached to the bolt are achieved, and the tedious operation of repeatedly adjusting the position of the clamping jaw to confirm whether the clamping jaw is tightly attached to the bolt or not is avoided;
2. through the stop gear etc. that set up, make the staff can pass through stirring the knob, make the knob pass through mount pad and third pivot drive the horizontal plane contact of pothook and ratchet, and drive the second pivot through the ratchet and rotate the adjustment clamping jaw, when the staff carelessly stir the knob reverse rotation, the pothook can be with the inclined plane contact of ratchet and promote the pothook and use the third pivot to rotate as the axle center, the pothook can shift out from the slot of ratchet, make knob pivoted torsion unable conduction to the second pivot, thereby avoid the clamping jaw aversion that the mistake leads to, make the clamping jaw fail closely laminating with the bolt, when needing initiative reverse adjustment push the piece with the thumb, make the piece push the ratchet through the pothook even the pothook is the inclined plane contact with the ratchet this moment, still can promote the ratchet rotation and drive the second pivot reverse rotation, thereby reach the mesh of reverse adjustment clamping jaw's position.
Drawings
Fig. 1 shows a schematic perspective view of a socket wrench according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view showing a socket wrench according to an embodiment of the present invention;
FIG. 3 shows an enlarged schematic view of the structure at A in FIG. 2 provided in accordance with an embodiment of the present invention;
FIG. 4 shows an enlarged schematic view of the structure at B in FIG. 2 provided in accordance with an embodiment of the present invention;
FIG. 5 shows an enlarged schematic view of the structure at C in FIG. 2 provided in accordance with an embodiment of the invention;
FIG. 6 shows a schematic view of the internal mechanism of a socket wrench provided in accordance with an embodiment of the present invention;
Fig. 7 is a schematic view showing a partial structure of a socket wrench after a jaw diameter is changed according to an embodiment of the present invention;
Fig. 8 is a schematic perspective view showing a first driving wheel, a rotating shaft and a driving gear according to an embodiment of the present invention;
FIG. 9 is a schematic view showing a partial cross-sectional structure of an adjusting mechanism provided according to an embodiment of the present invention;
FIG. 10 shows an enlarged schematic view of the structure at D in FIG. 9 provided in accordance with an embodiment of the invention;
FIG. 11 is a schematic view showing a partial perspective cross-sectional structure of a reinforcement mechanism inserted into a jaw according to an embodiment of the present invention;
FIG. 12 is a schematic view showing a partial perspective cross-sectional structure of a reinforcement mechanism according to an embodiment of the present invention, wherein the reinforcement mechanism is changed in diameter with a clamping jaw;
fig. 13 is a schematic view showing a partial perspective cross-sectional structure of a reinforcement mechanism separated from a jaw according to an embodiment of the present invention.
Legend description:
10. A socket wrench body; 11. a grab handle; 111. a grip chamber; 12. a sleeve; 121. a sleeve chamber; 122. a cover plate; 123. a mounting shaft; 124. a guide groove;
20. A clamping mechanism; 21. a first gear; 22. an adjustment tank; 23. a connecting shaft; 24. a clamping jaw; 25. a movable member; 26. a limit rail;
30. A transmission mechanism; 31. a first rotating shaft; 32. a second gear; 33. a first driving wheel; 34. a transmission belt; 35. a second driving wheel; 36. a second rotating shaft;
40. a locking mechanism; 41. an adjusting knob; 42. a limiting pin; 43. a limiting block; 44. a chute;
50. a limiting mechanism; 51. a rotary knob; 52. a ratchet wheel; 53. a mounting base; 54. a third rotating shaft; 55. a clamping hook; 56. a toggle member; 57. a torsion spring;
60. a reinforcement mechanism; 61. a toothed jaw; 62. a connecting piece; 63. a moving groove; 64. a storage groove; 65. and the clamping piece.
Detailed Description
A self-locking variable diameter socket wrench according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only some, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the problems that when a bolt which needs to be screwed or unscrewed is positioned in a narrow or concave space, a worker cannot confirm the size of the bolt through naked eyes due to the problems of visual field or light, therefore, the worker is required to adjust the position of a clamping jaw for many times, try to sleeve the clamping jaw on the surface of the bolt in the adjusting process, apply a rotating force to confirm whether the clamping jaw is tightly attached to the bolt, and the operation is inconvenient, the invention provides a self-locking variable-diameter socket wrench, which is shown in fig. 1-13:
The socket wrench comprises a socket wrench body 10, wherein the socket wrench body 10 comprises a grab handle 11 for holding and a socket 12 arranged at one side end of the grab handle 11, a hexagonal bolt can be inserted into the socket 12, a socket cavity 121 is formed in the socket 12, a cover plate 122 for isolating the outside and protecting internal parts of the socket cavity 121 is arranged at the top end of the socket cavity 121, and a mounting shaft 123 is arranged in the middle of the cover plate 122;
The inside of the sleeve cavity 121 is provided with a clamping mechanism 20, the surface of the mounting shaft 123 is rotatably sleeved with a first gear 21, the surface of the first gear 21 is provided with three adjusting grooves 22, the three adjusting grooves 22 are internally provided with connecting shafts 23 in a penetrating way, and clamping jaws 24 are fixedly mounted on the connecting shafts 23;
Three limit rails 26 are arranged on the inner wall of the sleeve cavity 121, movable pieces 25 are embedded in the limit rails 26 in a sliding manner, the three movable pieces 25 are connected with the clamping jaw 24, and when the first gear 21 rotates, the three connecting shafts 23 are attached to the inner wall of the adjusting groove 22 to drive the clamping jaw 24 to horizontally move along the length direction of the limit rails 26 and attach to a hexagon bolt;
When the bolt is required to be screwed or loosened, a worker can hold the grab handle 11 and directly sleeve the sleeve 12 on the surface of the bolt, then the first gear 21 is rotated, the first gear 21 drives the three adjusting grooves 22 formed in the surface to synchronously rotate and push the connecting shaft 23 to move, the connecting shaft 23 can drive the clamping jaw 24 and the movable piece 25 to move, and the movable piece 25 is embedded in the limit rail 26, so that the clamping jaw 24 can only horizontally move under the limit of the movable piece 25 and the limit rail 26, and the three clamping jaws 24 synchronously move towards the surface of the bolt and are simultaneously attached to the surface of the bolt until the first gear 21 cannot continuously rotate, and the clamping jaw 24 is tightly attached to the bolt.
In order to enable a worker to adjust the position of the clamping jaw 24 to finish the diameter changing operation when holding the handle, as shown in fig. 4-9, a transmission mechanism 30 is arranged on the grab handle 11, the transmission mechanism 30 comprises a first rotating shaft 31 rotatably arranged on the inner wall of the sleeve cavity 121, a second gear 32 meshed with the first gear 21 is sleeved on the surface of the first rotating shaft 31, and a first driving wheel 33 is arranged at the top end of the second gear 32;
The grab handle 11 is internally provided with a grab handle cavity 111 communicated with the sleeve cavity 121, the interior of the grab handle cavity 111 is rotatably provided with a second rotating shaft 36, the surface of the second rotating shaft 36 is sleeved with a second driving wheel 35, one end of a driving belt 34 is sleeved on the second driving wheel 35 in a meshed manner, and the other end of the driving belt 34 passes through a channel communicated with the sleeve cavity 121 and the grab handle cavity 111 and is sleeved on the first driving wheel 33 in a meshed manner;
When the first gear 21 is required to rotate, the second rotating shaft 36 is rotated, so that the second rotating shaft 36 drives the second driving wheel 35 to rotate in the handle cavity 111, torque generated by the second driving wheel 35 is transmitted to the first driving wheel 33 through the driving belt 34, the second gear 32 is driven to rotate through the first rotating shaft 31, the second gear 32 drives the first gear 21 meshed with the second gear 32 to rotate, and when the first gear 21 rotates, the three clamping jaws 24 can be driven to synchronously move towards the surface of the bolt and be attached to the surface of the bolt to finish diameter changing.
After the diameter of the three clamping jaws 24 is changed, if the following other bolts have the same standard, the positions of the three clamping jaws 24 can be fixed through the locking mechanism 40 so as to avoid the clamping jaws 24 from shifting caused by mistakenly touching the second rotating shaft 36, as shown in fig. 4, through holes are formed in sleeve cavities 121 below the first rotating shaft 31, locking mechanisms 40 for limiting the rotation of the first rotating shaft 31 are arranged in the through holes, the locking mechanism 40 comprises sliding grooves 44 which are formed on the inner walls of the through holes in an equidistant and encircling manner, and the sliding grooves 44 comprise vertical grooves and encircling grooves;
Limiting blocks 43 are embedded in the sliding grooves 44 in a sliding manner, adjusting buttons 41 positioned in the middle of the through holes are connected among the limiting blocks 43, and polygonal limiting pins 42 which can be inserted into the first rotating shaft 31 are arranged at the top ends of the adjusting buttons 41;
When the positions of the three clamping jaws 24 need to be limited, the adjusting knob 41 is rotated to drive the limiting blocks 43 to rotate in the arc grooves of the sliding grooves 44 until reaching the position communicated with the straight grooves, and then the adjusting knob 41 is pushed upwards to drive the limiting blocks 43 to limit and guide movement in the straight grooves of the sliding grooves 44, the limiting pins 42 move along with the adjusting knob 41 and are inserted into the first rotating shaft 31, interference fit is formed between the first rotating shaft 31 and the limiting pins 42, the limiting of the first rotating shaft 31 is completed by the adjusting knob 41 through the limiting pins 42, the first rotating shaft 31 cannot rotate, the second gear 32 is fixed along with the adjusting knob and the first gear 21 is limited to rotate, and the positions of the clamping jaws 24 can be limited because the first gear 21 cannot rotate.
As shown in fig. 5, 9 and 10, in order to realize self-locking of the clamping jaw 24 after the clamping jaw 24 is adjusted, a limiting mechanism 50 is arranged on the second rotating shaft 36, the limiting mechanism 50 comprises a rotating button 51 which is rotationally embedded on the surface of the grab handle 11 and a ratchet wheel 52 which is sleeved on the surface of the second rotating shaft 36, and contact surfaces on two sides of teeth on the ratchet wheel 52 are respectively inclined surfaces and horizontal surfaces;
The inner wall of the rotary button 51 is provided with a mounting seat 53, the middle part of the mounting seat 53 is provided with a third rotating shaft 54, the surface of the third rotating shaft 54 is rotatably provided with a clamping hook 55 clamped into the tooth of the ratchet wheel 52, the clamping hook 55 is integrally formed with a stirring piece 56 penetrating through the outer wall of the rotary button 51, and the stirring piece 56 can enable the clamping hook 55 to rotate around the third rotating shaft 54 as an axis and move out of the ratchet wheel 52;
When the position of the clamping jaw 24 needs to be adjusted, a worker dials the rotary knob 51, so that the rotary knob 51 drives the clamping hook 55 to contact with the horizontal plane of the ratchet 52 through the mounting seat 53 and the third rotating shaft 54, and drives the second rotating shaft 36 to rotate through the ratchet 52 to adjust the position of the clamping jaw 24, if the worker carelessly dials the rotary knob 51 to rotate reversely at this moment, the clamping hook 55 contacts with the inclined plane of the ratchet 52 and pushes the clamping hook 55 to rotate around the third rotating shaft 54, the clamping hook 55 moves out of a tooth gap of the ratchet 52, and the rotating torque of the rotary knob 51 cannot be transmitted to the second rotating shaft 36, so that the clamping jaw 24 is prevented from shifting caused by mistaken collision, and the clamping jaw 24 can be self-locked;
When the self-locking needs to be released and the position of the clamping jaw 24 is reversely adjusted, the worker can push the stirring piece 56 to enable the stirring piece 56 to be attached to the rotary button 51 and push the ratchet wheel 52 through the clamping hook 55, even if the clamping hook 55 is in contact with the inclined surface of the ratchet wheel 52, the clamping hook 55 can not be moved out of the tooth gap of the ratchet wheel 52 through rotation due to the pressure exerted by pushing the stirring piece 56, and the clamping hook 55 can still push the ratchet wheel 52 to rotate and drive the second rotating shaft 36 to reversely rotate, so that the aim of reversely adjusting the position of the clamping jaw 24 is fulfilled.
In order to enable the hook 55 to quickly reset after contacting with the inclined surface of the ratchet 52 and rotating, the hook is reinserted into the next tooth gap of the ratchet 52 in time, as shown in fig. 10, a torsion spring 57 is wound on the surface of the third rotating shaft 54, one end of the torsion spring 57 is connected to the inner wall of the hook 55, the other end is connected to the inner wall of the mounting seat 53, and when the hook 55 rotates around the third rotating shaft 54 as the axis, the hook 55 can be matched with the mounting seat 53 to pull the torsion spring 57 to generate elastic deformation, and the elastic deformation of the torsion spring 57 is utilized to resume pulling the hook 55 to quickly reset.
As shown in fig. 10, an arc-shaped groove for the toggle member 56 to rotate around the third rotating shaft 54 is formed on the outer wall of the rotary knob 51, and the outer wall of the toggle member 56 is attached to the inner wall of the arc-shaped groove when the toggle member 56 is inserted into the tooth gap of the ratchet 52;
a plurality of grooves are arranged on the surface of the poking piece 56 at equal intervals;
through this design, make the staff when initiatively promoting and stir the piece 56 adjustment clamping jaw 24's position, the finger can sink into between the recess that stir piece 56 surface set up, the contact area increase of finger and stirring piece 56 to reach the increase friction force that produces when pushing and stir the piece 56, play the effect that prevents to skid, and stir the piece 56 and the inner wall laminating in arc wall has increased the area of contact between stirring piece 56 and the knob 51, more stable when promoting the knob 51 rotation.
In order to cope with the problem that the surface of the bolt is worn, the angle of the hexagon becomes no longer obvious, and the tight fit between the clamping jaw 24 and the bolt is more difficult, as shown in fig. 11-13, three guide grooves 124 are integrally formed below the sleeve cavity 121, the outer walls of the two sides of the three guide grooves 124 are parallel to the two sides of the outer walls of the three clamping jaw 24, a reinforcing mechanism 60 is arranged in the guide grooves 124, the reinforcing mechanism 60 comprises a toothed clamping jaw 61 which can be embedded in the clamping jaw 24 and is provided with saw teeth on the surface, and a clamping piece 65 which is arranged on the clamping jaw 24 and used for fixing the toothed clamping jaw 61, and the moving groove 63 can synchronously move along with the clamping jaw 24;
by arranging the toothed clamping jaw 61, the clamping jaw 24 is tightly attached to the bolt, and meanwhile, the saw teeth on the surface of the toothed clamping jaw 61 can remarkably increase the contact area with the bolt, so that the friction force is improved, and meanwhile, the surface of the bolt is meshed more deeply, so that more tight contact is formed, and shaking or displacement generated in the rotation process is prevented;
The reinforcing mechanism 60 further comprises a moving groove 63 formed on the outer wall of the guide groove 124 and a connecting piece 62 movably embedded in the moving groove 63, wherein the connecting piece 62 is connected with the outer wall of one side of the toothed clamping claw 61, which is close to the moving groove 63, and through the design, the toothed clamping claw 61 can drive the connecting piece 62 to synchronously move along with the clamping jaw 24 under the restriction of the moving groove 63;
In order to be able to choose whether to use the toothed clamping jaw 61 to assist the clamping jaw 24 to clamp the bolt according to practical situations, the guide groove 124 is provided with a storage groove 64 communicated with the moving groove 63, the connecting piece 62 is movably connected with the toothed clamping jaw 61, the surface of the toothed clamping jaw 61 is provided with a groove for the connecting piece 62 to be partially embedded, when the surface state of the bolt is well and clear, in order to prolong the service life of the toothed clamping jaw 61, the connecting piece 62 can drive the toothed clamping jaw 61 to move out of the clamping jaw 24 and insert into the storage groove 64, and in the process of inserting the toothed clamping jaw 61 into the storage groove 64, the connecting piece 62 can be partially embedded into the toothed clamping jaw 61.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the present invention, should be able to replace or change the socket wrench with a self-locking socket wrench and its inventive concept with equivalents.
Claims (6)
1. The self-locking reducing socket wrench comprises a socket wrench body (10), wherein the socket wrench body (10) comprises a grab handle (11) for being held and a socket (12) arranged at one side end of the grab handle (11), and a hexagonal bolt can be inserted into the socket (12), and the socket wrench is characterized in that a socket cavity (121) is formed in the socket (12), and a mounting shaft (123) is arranged in the middle of the socket cavity (121);
The clamping mechanism (20) is arranged in the sleeve cavity (121), a first gear (21) is sleeved on the surface of the mounting shaft (123) in a rotating mode, three adjusting grooves (22) are formed in the surface of the first gear (21), connecting shafts (23) are arranged in the three adjusting grooves (22) in a penetrating mode, and clamping jaws (24) are fixedly mounted on the connecting shafts (23);
Three limit rails (26) are arranged on the inner wall of the sleeve cavity (121), movable pieces (25) are embedded in the limit rails (26) in a sliding mode, the three movable pieces (25) are connected with clamping jaws (24), and when the first gear (21) rotates, the three connecting shafts (23) are attached to the inner wall of the adjusting groove (22) to drive the clamping jaws (24) to horizontally move along the length direction of the limit rails (26) and attach to hexagonal bolts;
the grab handle (11) is provided with a transmission mechanism (30), the transmission mechanism (30) comprises a rotatable second rotating shaft (36) and a second gear (32) meshed with the first gear (21), and the second rotating shaft (36) drives the first gear (21) to rotate through the second gear (32) when rotating;
The transmission mechanism (30) comprises a first rotating shaft (31) rotatably arranged on the inner wall of the sleeve cavity (121), a second gear (32) meshed with the first gear (21) is sleeved on the surface of the first rotating shaft (31), and a first driving wheel (33) is arranged at the top end of the second gear (32);
A grab handle cavity (111) communicated with the sleeve cavity (121) is formed in the grab handle (11), a second rotating shaft (36) is rotatably arranged in the grab handle cavity (111), a second driving wheel (35) is sleeved on the surface of the second rotating shaft (36), one end of a driving belt (34) is sleeved on the second driving wheel (35) in a meshed mode, and the other end of the driving belt (34) penetrates through a channel communicated with the sleeve cavity (121) and the grab handle cavity (111) and is sleeved on the first driving wheel (33) in a meshed mode;
A through hole is formed in a sleeve cavity (121) below the first rotating shaft (31), a locking mechanism (40) for limiting the rotation of the first rotating shaft (31) is arranged in the through hole, the locking mechanism (40) comprises sliding grooves (44) which are equidistantly and circumferentially formed in the inner wall of the through hole, and the sliding grooves (44) comprise vertical straight grooves and arc grooves which are circumferentially and circumferentially formed;
Limiting blocks (43) are embedded in the sliding grooves (44) in a sliding manner, adjusting buttons (41) positioned in the middle of the through holes are connected between the limiting blocks (43), and polygonal limiting pins (42) capable of being inserted into the first rotating shaft (31) are arranged at the top ends of the adjusting buttons (41);
A limiting mechanism (50) is arranged on the second rotating shaft (36), the limiting mechanism (50) comprises a rotating knob (51) which is rotationally embedded on the surface of the grab handle (11) and a ratchet wheel (52) which is sleeved on the surface of the second rotating shaft (36), and contact surfaces on two sides of teeth on the ratchet wheel (52) are respectively an inclined surface and a horizontal surface;
The rotary button is characterized in that an installing seat (53) is arranged on the inner wall of the rotary button (51), a third rotating shaft (54) is arranged in the middle of the installing seat (53), a clamping hook (55) clamped into the tooth of the ratchet wheel (52) is arranged on the surface of the third rotating shaft (54) in a rotating mode, a stirring piece (56) penetrating through the outer wall of the rotary button (51) is integrally formed on the clamping hook (55), and the stirring piece (56) is stirred to enable the clamping hook (55) to rotate around the third rotating shaft (54) as an axis and move out of the ratchet wheel (52).
2. The self-locking variable-diameter socket wrench as claimed in claim 1, wherein a torsion spring (57) is wound on the surface of the third rotating shaft (54), one end of the torsion spring (57) is connected to the inner wall of the hook (55), and the other end of the torsion spring is connected to the inner wall of the mounting seat (53).
3. The self-locking variable-diameter socket wrench as claimed in claim 1, wherein an arc-shaped groove for the toggle member (56) to rotate around the third rotating shaft (54) is formed in the outer wall of the rotating knob (51), and the outer wall of the toggle member (56) is attached to the inner wall of the arc-shaped groove when the toggle member (56) is inserted into the tooth gap of the ratchet wheel (52);
A plurality of grooves are formed in the surface of the poking piece (56) in an equidistant arrangement mode.
4. The self-locking variable-diameter socket wrench according to claim 1, wherein three guide grooves (124) are integrally formed below the socket cavity (121), two side outer walls of the three guide grooves (124) are parallel to two sides of the outer walls of the three clamping jaws (24), a reinforcing mechanism (60) is arranged inside the guide grooves (124), the reinforcing mechanism (60) comprises a toothed clamping jaw (61) capable of being embedded inside the clamping jaws (24) and provided with saw teeth on the surface, and a clamping piece (65) arranged on the clamping jaws (24) and used for fixing the toothed clamping jaw (61), and the moving groove (63) can move synchronously with the clamping jaws (24).
5. The self-locking variable-diameter socket wrench according to claim 4, wherein the reinforcing mechanism (60) further comprises a moving groove (63) formed in the outer wall of the guide groove (124) and a connecting piece (62) movably embedded in the moving groove (63), the connecting piece (62) is connected with the outer wall of the toothed clamping jaw (61) close to one side of the moving groove (63), and the toothed clamping jaw (61) drives the connecting piece (62) to synchronously move along with the clamping jaw (24) under the limit of the moving groove (63).
6. The self-locking variable-diameter socket wrench according to claim 5, wherein the guide groove (124) is provided with a storage groove (64) communicated with the moving groove (63), the connecting piece (62) is movably connected with the toothed clamping jaw (61), the surface of the toothed clamping jaw (61) is provided with a groove for the connecting piece (62) to be partially embedded, and the connecting piece (62) can drive the toothed clamping jaw (61) to move out of the clamping jaw (24) and be inserted into the storage groove (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410707820.8A CN118269033B (en) | 2024-06-03 | 2024-06-03 | Self-locking reducing socket wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410707820.8A CN118269033B (en) | 2024-06-03 | 2024-06-03 | Self-locking reducing socket wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118269033A CN118269033A (en) | 2024-07-02 |
| CN118269033B true CN118269033B (en) | 2024-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410707820.8A Active CN118269033B (en) | 2024-06-03 | 2024-06-03 | Self-locking reducing socket wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118269033B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200970733Y (en) * | 2006-11-17 | 2007-11-07 | 巩学文 | Adjustable reducing socket wrench |
| CN105108689A (en) * | 2015-08-28 | 2015-12-02 | 广西大学 | Caliber-adjustable wrench |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63501629A (en) * | 1986-06-17 | 1988-06-23 | コルビン，ディビッド エス | Adjustable socket with rotatable adjuster |
| US5857390A (en) * | 1996-12-24 | 1999-01-12 | Whiteford; Carlton L. | Reversible ratchet wrench including thin-walled sockets |
| US6073522A (en) * | 1998-10-09 | 2000-06-13 | Carnesi; Thomas | Adjustable socket |
| US8893592B2 (en) * | 2012-08-24 | 2014-11-25 | Brett Womack | Adjustable socket |
| US20180281159A1 (en) * | 2017-03-28 | 2018-10-04 | Thomas Carnesi | Three jaw adjustable socket ratchet wrench |
-
2024
- 2024-06-03 CN CN202410707820.8A patent/CN118269033B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200970733Y (en) * | 2006-11-17 | 2007-11-07 | 巩学文 | Adjustable reducing socket wrench |
| CN105108689A (en) * | 2015-08-28 | 2015-12-02 | 广西大学 | Caliber-adjustable wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118269033A (en) | 2024-07-02 |
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