Telescopic structure of screw tightening device
Technical Field
The application relates to the technical field of mounting and dismounting tools, in particular to a telescopic structure of a screw tightening device.
Background
A wrench is a commonly used installation and removal tool. Wrenches typically have clamping handles formed on one or both ends of the handle to apply an external force to turn a bolt or nut to hold an opening or socket in the bolt or nut. When the screw bolt or nut is used, an external force is applied to the handle part along the rotation direction of the screw thread, so that the screw bolt or nut can be screwed.
The prior art publication No. CN217703188U provides a telescopic socket wrench, and in the related art of the telescopic socket wrench, after a movable sleeve is moved in place relative to a handle, the movable sleeve can be fixed by pulling a wrench button, so that when the distance of the sleeve head to be moved is longer, the required time is shorter, and an extension tube can be pulled out relative to a wrench rod more conveniently, so that the length of a force arm is increased.
The above prior art solution, though realizing the beneficial effects related to the prior art by the structure of the prior art, still has the following drawbacks: the socket wrench cannot be suitable for the socket rotation of bolts with various specifications.
In view of this, we propose a telescopic structure of a screw tightening device.
Disclosure of utility model
In order to solve the above-mentioned problems, the present application provides a telescopic structure of a screw tightening device,
The telescopic structure of the screw tightening device provided by the application adopts the following technical scheme:
A telescopic structure of a screw tightening device, comprising:
a telescopic handle;
the adapter is hinged at one end of the telescopic handle;
The direction-adjusting worm is rotationally connected to the middle part of the adapter;
The hinged stay bar is hinged to one side of the adapter;
The worm wheel is fixedly arranged at one end of the hinged stay bar and is in transmission connection with the direction-adjusting worm;
the clamping head is hinged to the other end of the hinged stay bar;
The sleeve cover is fixedly arranged outside the adapter and is in sliding fit with the chuck.
Through adopting above-mentioned technical scheme, utilize to transfer to worm and worm wheel meshing transmission for pivoted worm wheel drives the spacing upset of hinge vaulting pole, and drives the chuck and carry out the interval adjustment, makes a plurality of chucks can adjust the use with bolt specification more, thereby improves the flexibility that the device used.
As an alternative scheme of the technical scheme of the application, the telescopic handle comprises a torsion cylinder, an inserting shaft is inserted and installed on one side of the torsion cylinder, a torsion rod is connected inside the torsion cylinder in a sliding mode, one end of the torsion rod, provided with a plurality of buckling grooves, is provided with two holding force rods in a symmetrical structure in a hinged mode, and the two holding force rods are matched through magnetic attraction of magnetic sheets.
Through adopting above-mentioned technical scheme, utilize flexible handle to realize the length adjustment of arm of force for the adapter rotates the adjustment more laborsaving, and simultaneously and under the regulation of buckling of grip lever, realize the multiple torsion mode of flexible handle and use, make flexible handle rotate and use more nimble reliable.
As an alternative scheme of the technical scheme of the application, the hinge stay bar consists of a connecting rod and top stay bars hinged to two ends of the connecting rod, wherein the two top stay bars are arranged in parallel, one end of each top stay bar is hinged to the adapter, and the other end of each top stay bar is hinged to the chuck.
Through adopting above-mentioned technical scheme, utilize connecting rod and top stay bar articulated installation to form the hinge stay bar for hinge stay bar overall structure is more stable.
As an alternative scheme of the technical scheme of the application, the clamping head consists of a sleeve frame and a clamping plate, wherein an inserting strip is tightly welded on one side of the clamping plate, the inserting strip is in sliding fit with a slot formed on one side of the sleeve frame, and the clamping plate is fixedly connected with the sleeve frame through a bolt.
Through adopting above-mentioned technical scheme, utilize the dismantlement formula installation of splint and cover frame, the maintenance of the splint of being convenient for is changed.
As an alternative scheme of the technical scheme of the application, an observation port for adjusting the direction-regulating worm is formed in the middle of the sleeve cover, a plurality of limiting grooves are formed in the outer part of the sleeve cover relative to the outer part of the observation port, and the limiting grooves are arranged in an annular equidistant structure and can be in sliding fit with the clamping head.
Through adopting above-mentioned technical scheme, utilize the viewing aperture be convenient for the operator to rotate the adjustment to the worm through allen wrench for the adjustment to worm drives the chuck and carries out the centre gripping interval adjustment.
In summary, the present application includes at least one of the following beneficial technical effects:
1. According to the application, the direction-adjusting worm is meshed with the worm wheel for transmission, so that the rotating worm wheel drives the hinge stay rod to limit and turn over, and drives the chucks to adjust the distance, so that the chucks can be adjusted and used according to the specifications of bolts, and the flexibility of the device in use is improved.
2. According to the application, the length of the force arm is adjusted by utilizing the telescopic handle, so that the rotation and adjustment of the adapter are more labor-saving, and meanwhile, under the bending adjustment of the grip lever, the telescopic handle is used in various torsion modes, so that the telescopic handle is more flexible and reliable to rotate and use.
Drawings
FIG. 1 is a schematic view showing the overall structure of a telescopic structure of a screw tightening device according to a preferred embodiment of the present application;
FIG. 2 is a schematic view showing a part of a telescopic structure of a screw tightening device according to a preferred embodiment of the present application;
FIG. 3 is a schematic view showing the connection of a hinge stay structure of a telescopic structure of a screw tightening device according to a preferred embodiment of the present application;
FIG. 4 is a schematic view showing a telescopic handle of a telescopic structure of a screw tightening device according to a preferred embodiment of the present application;
FIG. 5 is a schematic view of a telescopic hinge rod of a screw tightening device according to a preferred embodiment of the present application;
FIG. 6 is a schematic view showing a chuck structure of a telescopic structure of a screw tightening apparatus according to a preferred embodiment of the present application;
The reference numerals in the figures illustrate: 1. a telescopic handle; 2. an adapter; 3. a direction-adjusting worm; 4. a hinge stay; 5. a worm wheel; 6. a chuck; 7. a cover; 11. a torsion cylinder; 12. a plug-in shaft; 13. a torsion bar; 14. a grip lever; 41. a connecting rod; 42. a top brace rod; 61. a sleeve frame; 62. a clamping plate; 63. cutting.
Detailed Description
The application is described in further detail below with reference to the drawings.
Referring to fig. 1 to 3, in a telescopic structure of a screw tightening device according to an embodiment of the present application, a telescopic structure of a screw tightening device includes:
a telescopic handle 1;
the adapter 2 is hinged at one end of the telescopic handle 1;
The direction-adjusting worm 3 is rotationally connected to the middle part of the adapter 2;
the hinged stay bar 4 is hinged to one side of the adapter 2;
the worm wheel 5 is fixedly arranged at one end of the hinge stay bar 4 and is in transmission connection with the direction-adjusting worm 3;
The clamping head 6 is hinged to the other end of the hinged stay bar 4;
and the sleeve cover 7 is fixedly arranged outside the adapter 2 and is in sliding fit with the chuck 6.
This screw tightening device's extending structure is through utilizing the meshing transmission of turning worm 3 and worm wheel 5 for pivoted worm wheel 5 drives spacing upset of hinge stay 4, and drives chuck 6 and carry out the interval adjustment, makes a plurality of chucks 6 can adjust the use with the bolt specification more, thereby improves the flexibility that the device used.
Referring to fig. 4 and fig. 1, in the telescopic structure of the screw tightening device according to the embodiment of the present application, the telescopic handle 1 includes a torsion tube 11, an inserting shaft 12 is inserted and installed at one side of the torsion tube 11, a torsion bar 13 is slidingly connected inside the torsion tube 11, one end of the torsion bar 13 with a plurality of fastening grooves formed outside is hinged with two grip bars 14 in a symmetrical structure, and the grip bars 14 are magnetically attracted and matched by magnetic sheets.
This screw tightening device's extending structure realizes the length adjustment of arm of force through utilizing flexible handle 1 for adapter 2 rotates the adjustment more laborsaving, and simultaneously and under the regulation of buckling of grip lever 14, realizes that the multiple torsion mode of flexible handle 1 uses, makes flexible handle 1 rotate and uses more nimble reliable.
Referring to fig. 5 and 3, in the telescopic structure of the screw tightening device according to the embodiment of the present application, the hinge stay 4 is composed of a link 41 and top stay 42 hinged to both ends thereof, the two top stay 42 are arranged in parallel, and one end of the two top stay 42 is hinged to the adapter 2, and the other end is hinged to the chuck 6.
The telescopic structure of the screw tightening device forms the hinge stay bar 4 by utilizing the hinged installation of the connecting rod 41 and the top stay bar 42, so that the whole structure of the hinge stay bar 4 is more stable
Referring to fig. 6 and 3, in the telescopic structure of the screw tightening device according to the embodiment of the present application, the chuck 6 is composed of two parts, namely a sleeve frame 61 and a clamping plate 62, wherein an insert 63 is tightly welded on one side of the clamping plate 62, the insert 63 is slidably matched with a slot formed on one side of the sleeve frame 61, and the clamping plate 62 is fixedly connected with the sleeve frame 61 through a bolt.
The telescopic structure of the screw tightening device is convenient for maintenance and replacement of the clamping plate 62 by utilizing the detachable installation of the clamping plate 62 and the sleeve frame 61.
Referring to fig. 1, in the telescopic structure of the screw tightening device according to the embodiment of the present application, an observation port for adjusting the direction of the worm 3 is provided in the middle of the cover 7, a plurality of limiting grooves are provided at positions outside the cover 7 with respect to the outside of the observation port, and the plurality of limiting grooves provided in an annular equidistant structure can be slidably engaged with the chuck 6.
The telescopic structure of the screw tightening device is convenient for an operator to rotate and adjust the steering worm 3 through the inner hexagonal wrench by utilizing the observation port, so that the steering worm 3 drives the chuck 6 to adjust the clamping distance.
Working principle: firstly, an operator inserts into a hexagon groove in one end of the steering worm 3 through an observation port of the socket cover 7 by using an internal hexagonal wrench, then rotates the internal hexagonal wrench to drive the steering worm 3 to be meshed with the worm wheel 5 for transmission, and the rotating worm wheel 5 drives the hinged stay rod 4 to push the chuck 6 to limit and retract for adjustment of the clamping distance, and after adjustment, the telescopic handle 1 is stretched according to the use requirement for stretching the arm of force.