CN203918891U - A kind of multifunctional screwdriver - Google Patents

Abstract

The utility model provides a kind of multifunctional screwdriver, belongs to screwdriver technical field, it has solved existing screwdriver structure complexity, the technical problem that not easy to assemble, handle intensity is lower, the technical solution of the utility model is: a kind of multifunctional screwdriver of the utility model, comprise handle assembly and mounting rod, handle assembly comprises interior handle cylinder and is sleeved on the outer sleeve on interior handle cylinder, interior handle cylinder middle part axially offers installing hole, between interior handle cylinder and outer sleeve, be axially provided with some accommodation holes for splendid attire cutter, on outer sleeve, offer some the second breach around its front end end face axial, the second breach and accommodation hole are corresponding and communicate with accommodation hole one by one, mounting rod front end axially offers the blind hole for fixed cutting tool, mounting rod rear end is inserted in installing hole and is connected with interior handle cylinder, its overall structure is simple, easy to assemble, easy to use, just can observe the model of cutter without perforate on handle assembly, and handle assembly intensity is higher, and service life is longer.

Description

A kind of multifunctional screwdriver

Technical field

The utility model belongs to screwdriver technical field, relates to a kind of multifunctional screwdriver.

Background technology

Screwdriver is to be a kind ofly used for twisting screw to force its instrument in place, conventionally there is a thin sphenocephaly, can insert in the line of rabbet joint or recess of screw cap, in life, modal screwdriver is exactly that a handle is made screwdriver together, it is easily prepared, can use as long as just take out, but because screw has a variety of different lengths and rugosity, sometimes need to prepare the screwdriver of a lot of Zhi Butong, use comparatively trouble, cost is higher, the space taking is larger, therefore there is a kind of combination type screwdriver, this screwdriver separates screwdriver bit and handle and be equipped with the screwdriver bit of different model, when dissimilar screw is installed, only needing to change screwdriver bit just can, do not need to prepare a large amount of screwdrivers, it can save space, easy to use, but easily lose screwdriver bit.

Along with the development of technology, on market, there is a kind of screwdriver of more simplifying, for example, Granted publication number is the screwdriver handle that the utility model of CN 201455888 U discloses a kind of tool storage device, comprise connected successively connecting rod, handle body and bonnet, connecting rod includes the body of rod, body of rod inside is provided with the spliced eye of hollow, its other end is connected with handle body, handle body is provided with the storage device that can hold clock and watch screwdriver and sleeve for subsequent use, this screwdriver offers some accommodation holes on its handle body, for holding the screwdriver bit of various models, this screwdriver is compared with traditional group mould assembly screwdriver, there is compact conformation, take up room less, and portable, advantage easy to use, but also there is following defect simultaneously: 1, these screwdriver parts are more, dismounting comparatively bothers, use inconvenient, also be not easy to maintenance and the maintenance of parts, parts are easily lost in dismounting situation, 2, overall structure and handle body structure are all more complicated, and its manufacture craft is also more complicated, and therefore its cost of manufacture is higher, 3, for the ease of observing the screwdriver bit model being stored in accommodation hole and conveniently screwdriver bit being shifted out, it offers transmission window on handle body, but offering of this transmission window causes the intensity of whole handle body greatly to reduce, if excessive to its application of force, fragile and the difficult replacing of handle body, its service life is shorter.

Utility model content

The purpose of this utility model is the problems referred to above that exist for prior art, has proposed a kind of simple in structure, easy to use, more much higher function screwdriver of handle body intensity.

The purpose of this utility model can be achieved through the following technical solutions: a kind of multifunctional screwdriver of the utility model, comprise handle assembly and mounting rod, described handle assembly comprises interior handle cylinder and is sleeved on the outer sleeve on interior handle cylinder, interior handle cylinder middle part axially offers installing hole, between interior handle cylinder and outer sleeve, be axially provided with some accommodation holes for splendid attire cutter, on described outer sleeve, offer some the second breach around its front end end face axial, described the second breach and accommodation hole are corresponding and communicate with accommodation hole one by one, and described mounting rod front end axially offers the blind hole for fixed cutting tool, mounting rod rear end is inserted in installing hole and is connected with interior handle cylinder.

In above-mentioned a kind of multifunctional screwdriver, on described interior handle cylinder, axially offer some the first holding tanks around its lateral wall, on described outer sleeve, axially offer some second holding tanks corresponding with the first holding tank around its madial wall, the first holding tank and the second holding tank form above-mentioned accommodation hole.

In above-mentioned a kind of multifunctional screwdriver, between adjacent two first holding tanks, be axially provided with the first anti-skidding plane, between adjacent two second holding tanks, be axially provided with non-slipping block, on non-slipping block, have the second anti-skidding plane corresponding with the first anti-skidding plane, described the first anti-skidding plane is affixed in the second anti-skidding plane.

In above-mentioned a kind of multifunctional screwdriver, one end adjacent with guard ring in the first anti-skidding plane is provided with limited block, and outer sleeve front end is against limited block rear end.

In above-mentioned a kind of multifunctional screwdriver, described interior handle cylinder front periphery has radially extended to form guard ring, and on guard ring, be formed with the counter sink coaxial with installing hole, between described counter sink and installing hole, be formed with radial platform, on described counter sink hole wall, offer some and the first holding tank corresponding and coaxial the first breach one by one.

In above-mentioned a kind of multifunctional screwdriver, on guard ring, be axially provided with some the first anti-slip tanks around its outer surface.

In above-mentioned a kind of multifunctional screwdriver, on sleeve, axially offer some the second anti-slip tanks around its lateral wall outside, and described the second anti-slip tank and the second holding tank interval are uniformly distributed outside on sleeve.

In above-mentioned a kind of multifunctional screwdriver, described outer sleeve inside is formed with cavity, cavity bottom is formed with interior table top, on described interior table top, be axially provided with the fixed axis coaxial with outer sleeve, on described fixed axis, be arranged with the first spacing collar that is positioned at cavity, and the first spacing collar two ends are against respectively on interior handle tube rear end and interior table top.

In above-mentioned a kind of multifunctional screwdriver, on described mounting rod, radially offer stopper slot, in stopper slot, be provided with the second spacing collar, described the second spacing collar is installed in counter sink and second spacing collar one end end face and radial platform laminating.

In above-mentioned a kind of multifunctional screwdriver, described installing hole is the first hexagon ring, and described mounting rod rear end is formed with hexangular fixed seat around its lateral wall and hexangular fixed seat is plugged in the first hexagon ring.

Compared with prior art, the utlity model has following beneficial effect:

1, this screwdriver is made up of mounting rod, interior handle cylinder and three parts of outer sleeve altogether, and its parts are less, and structure is comparatively simple, between three parts, can combine mutually dismounting, be convenient to parts maintenance, safeguard and carry, easy to use.

2, its overall structure is comparatively simple, and each component structural is also simpler, and therefore the production of each parts and processing are easier to, and production difficulty is lower.

3, offering outside the first breach and this breach and interior handle cylinder on sleeve separates in the axial direction and forms window, can clearly observe the model of the cutter that is positioned at each accommodation hole by this window, compare directly perforate on handle body, the external sleeve of the first breach does not produce any impact, its intensity is higher, and service life is longer, due to for convenience detach, even if outer sleeve damages, be also convenient for changing.

Brief description of the drawings

Fig. 1 is the front visual angle schematic perspective view of a kind of multifunctional screwdriver of the utility model.

Fig. 2 is the back angle schematic perspective view of a kind of multifunctional screwdriver of the utility model.

Fig. 3 is the exploded perspective schematic diagram of a kind of multifunctional screwdriver of the utility model.

Fig. 4 is the axial section schematic perspective view of a kind of multifunctional screwdriver of the utility model.

Fig. 5 is the radial section schematic perspective view of a kind of multifunctional screwdriver of the utility model.

In figure, 100, interior handle cylinder; 110, the first holding tank; 120, the first anti-skidding plane; 121, limited block; 130, installing hole; 131, the first hexagon ring; 132, circular port; 140, guard ring; 141, counter sink; 142, radial platform; 143, the first breach; 144, the first anti-slip tank; 145, the first jut; 200, outer sleeve; 210, the second anti-slip tank; 211, non-slipping block; 212, the second anti-skidding plane; 220, annular breach; 230, the second jut; 231, the second holding tank; 232, the second breach; 240, accommodation hole; 250, through hole; 260, interior table top; 261, fixed axis; 270, the first spacing collar; 300, mounting rod; 310, the second hexagon ring; 311, magnet; 320, hexangular fixed seat; 330, stopper slot; 340, the second spacing collar.

Detailed description of the invention

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As shown in Figures 1 and 2, a kind of multifunctional screwdriver, comprises the handle assembly and the mounting rod 300 that are made up of interior handle cylinder 100, outer sleeve 200.

As shown in Figure 3, these interior handle cylinder 100 profiles are long tubular, on interior handle cylinder 100, axially offer six the first holding tanks 110 equal in length around its lateral wall, preferably, the groove face of this first holding tank 110 is arc, article six, the first holding tank 110 evenly arranges and is parallel to each other, article six, the first holding tank 110 extends and ends at by interior handle cylinder 100 rear end forward end and approaches front end place, the the first anti-skidding plane 120 axially arranging is given prominence to and formed to part outward radial between adjacent two first holding tanks 110, in six the first anti-skidding planes 120, two first relative anti-skidding plane 120 symmetrical parallel.

Further, extend to form limited location piece 121 at each the first anti-skidding plane 120 front end outward radials, limited block 121 axially arranges and forms stepped with the first anti-skidding plane 120.

Further, axially offer at interior handle cylinder 100 middle parts the installing hole 130 that runs through interior handle cylinder 100, this installing hole 130 is for fixedly mounting bar 300, this installing hole 130 is greater than the diameter of rear end part slightly as boundary line delimitation as the diameter of former and later two parts and fore-end taking middle part, preferably, the fore-end of this installing hole 130 is the first hexagon ring 131, the installing hole of this part 130 is arranged to the first hexagon ring 130, in order to facilitate mounting rod 300 to be connected with installing hole 130, prevent that mounting rod 300 from inserting installing hole 130 when interior and interior handle cylinder 100 relative motions, person's application of force easy to use, also twist screws easily, therefore this part of installing hole 130 also can be other polygonal hole, can reach the effect that mounting rod 300 and interior handle cylinder 100 are synchronized with the movement, the rear end part of installing hole 130 is circular port 132.

Further, these interior handle cylinder 100 front periphery outward radials have extended to form guard ring 140, this guard ring 140 is circular and coaxial with interior handle cylinder 100, these guard ring 140 external diameters are greater than interior handle cylinder 100 external diameters, guard ring 140 rear end peripheries are downward-sloping and be connected with above-mentioned six limited blocks 121, booster action is played in the setting of this guard ring 140, in the time of the turn of the screw, user can one holds on guard ring 140 outer walls and the both hands application of force simultaneously, and guard ring 140 is integrally formed with interior handle cylinder 100, in playing auxiliary application of force effect, make interior handle cylinder 100 synchronize rotation with outer sleeve 200, concentrate the application of force, prevent that interior handle cylinder 100 from rotating to axial and cannot turn screw with outer sleeve 200,

As Fig. 3, shown in Fig. 4, axially be formed with the counter sink 141 coaxial with installing hole 130 at guard ring 140 middle parts, preferably, this counter sink 141 dwindles successively for truncated conical shape and external diameter ecto-entad, between this counter sink 141 and installing hole 130, be formed with radial platform 142, on counter sink 141 hole walls, radially offer six the first breach 143, preferably, this first breach 143 is greater than 90 degree for arc and arc radian, six the first breach 143 are corresponding and coaxial one by one with six the first holding tanks 110 respectively, simultaneously, the first breach 143 communicates with the first holding tank 110.

Further, in order to increase skidproof effect, and person easy to use can concentrate the power of executing in the time of the turn of the screw, on this guard ring 140, be axially provided with six the first anti-slip tanks 144 around its outer surface, between any two the first anti-slip tanks 144, form the first jut 145, while turning screw, user's palm is held on guard ring 140, the direction of institute's application of force is vertical with the direction of the first jut 145, under the barrier effect of the first jut 145, can play good anti-skidding effect, the power of executing is more concentrated, and screw can easier turn.

As Fig. 2, Fig. 3, shown in Fig. 4, this outer sleeve 200 is roughly tubular, its front end has an opening, back-end closure, its inside is formed with cavity, this outer sleeve 200 is formed with six the second anti-slip tanks 210 by the inside radial depressions of lateral wall, on the madial wall of each the second anti-slip tank 210, be provided with non-slipping block 211, on non-slipping block 211, there is the second anti-skidding plane 212 corresponding with the first anti-skidding plane 120, in the time that outer sleeve 200 is placed on interior handle cylinder 100, the first anti-skidding plane 120 and the second anti-skidding plane 212 are adjacent to and outer sleeve 200 front ends and interior handle cylinder 100 rear ends separate and form the annular breach 220 around interior handle cylinder 100, this annular breach 220 communicates with six the first holding tanks 110, therefore can see intuitively the cutter model being placed in the first holding tank 110, without perforate on sleeve 200 outside again, outer sleeve 200 is connected fastening and not easily separated with interior handle cylinder 100, because every group of first anti-skidding plane 120 is different from the angle of the second anti-skidding plane 212, therefore can prevent outer sleeve 200 in the time of the circumferential application of force and interior handle cylinder 100 relatively rotates, simultaneously, the front end of six non-slipping blocks 211 is against respectively corresponding limited block 121 rear ends, prevent the external sleeve 200 of user forward when axial force distribution outer sleeve 200 on interior handle cylinder 100, move axially forward, cause outer sleeve 200 axially skid and cannot carry out axial force distribution to screw with interior handle cylinder 100, must possess axial power and power radially and turn screw simultaneously, if there is the phenomenon of axially skidding, turn screw more difficult, another is convenient, also prevent from dwindling because moving axially of outer sleeve 200 causes above-mentioned annular breach 220, the observation of impact to cutter.

Further, between any two second anti-slip tanks 210, be formed with the second jut 230, this second jut 230 plays anti-skidding effect in the time of the turn of the screw, be formed with the second holding tank 231 at the madial wall of each the second jut 230, this second holding tank 231 is the arc contrary with the first holding tank 110, article six, the second holding tank 231 is corresponding and form six accommodation holes 240 one by one with six the first holding tanks 110 respectively, each accommodation hole 240 can store the cutter of different model, facilitate the screw of twisting different model under different situations, also make the more compact structure of whole handle assembly.

Further, each the second jut 230 front ends backward axial depression are formed with the second breach 232, these the second breach 232 shapes are similar to parabola shaped, each the second breach 232 communicates with corresponding accommodation hole 240, when Cutting tool installation manner is in accommodation hole 240, can observe the cutter model of storing in accommodation hole 240 by the second breach 232, convenient observation and use.

Further, sleeve 200 rear ends axially offer six through holes 250 outside, six through holes 250 communicate with six accommodation holes 240 respectively, offer six through holes 250 cutter can be inserted in accommodation hole 240 by outer sleeve 200 rear ends, also can be by taking out in through hole 250.

As Fig. 4, shown in Fig. 5, this cavity bottom has an interior table top 260, this interior table top 260 is vertical with outer sleeve 200 madial walls, on this interior table top 260, be axially provided with the fixed axis 261 coaxial with outer sleeve 200, this fixed axis 261 inserts in the circular port 132 of above-mentioned interior handle cylinder 100 rear ends and interference fit with it, this fixed axis 261 is fixed together outer sleeve 200 with interior handle cylinder 100, prevent the two separation, also prevent that outer sleeve 200 from radially rocking on interior handle cylinder 100, on fixed axis 261, be arranged with the first spacing collar 270, this first spacing collar 270 is round table-like, the lateral wall of this first spacing collar 270 stretch into respectively in six accommodation holes 240 and respectively with accommodation hole 240 in the cutter that stores be adjacent to, one end end face of this first spacing collar 270 is against on interior handle cylinder 100 rear end faces, the other end is against on interior table top 260, when this first spacing collar 270 stretches into and can prevent in accommodation hole 240 that cutter from storing in accommodation hole 240 by dropping in through hole 250, also prevent that outer sleeve 200 from moving axially forward on interior handle cylinder 100 simultaneously.

As shown in Fig. 1, Fig. 3, Fig. 4, on the front end end face of this mounting rod 300, axially offer the blind hole for fixed cutting tool, preferably, this blind hole is the second hexagon ring 310, this blind hole is connected with the cutter with hexagonal seat, can prevent cutter and blind hole axial rotation, on this blind hole bottom surface, magnet 311 is installed, cutter tightly can be adsorbed, while preventing from using, cutter comes off.

Further, on this mounting rod 300, be formed with two hexangular fixed seat 320 around its lateral wall, the diameter of hexangular fixed seat 320 is greater than mounting rod 300 diameters, the hexagonal seat of mounting rod 300 rear ends inserts in the hexagon ring part of installing hole 130 front ends, hexagonal seat coordinates with hexagon ring can prevent mounting rod 300 and interior handle cylinder 100 relative motions, two hexagonal seats separate and between the two, are formed with stopper slot 330, in this stopper slot 330, be provided with the second spacing collar 340, this second spacing collar 340 is identical with counter sink 141 shapes round table-like, this second spacing collar 340 is installed in above-mentioned counter sink 141 and the second spacing collar 340 rear ends are against in radial platform 142, when the second spacing collar 340 can prevent user's axial force distribution, mounting rod 300 moves axially in installing hole 130, make axial force distribution more effectively and there will not be the phenomenon of axially skidding.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (10)

1. a multifunctional screwdriver, comprise handle assembly and mounting rod, it is characterized in that: described handle assembly comprises interior handle cylinder and is sleeved on the outer sleeve on interior handle cylinder, interior handle cylinder middle part axially offers installing hole, between interior handle cylinder and outer sleeve, be axially provided with some accommodation holes for splendid attire cutter, on described outer sleeve, offer some the second breach around its front end end face axial, described the second breach and accommodation hole are corresponding and communicate with accommodation hole one by one, and described mounting rod front end axially offers the blind hole for fixed cutting tool, mounting rod rear end is inserted in installing hole and is connected with interior handle cylinder.

2. a kind of multifunctional screwdriver according to claim 1, it is characterized in that: on described interior handle cylinder, axially offer some the first holding tanks around its lateral wall, on described outer sleeve, axially offer some second holding tanks corresponding with the first holding tank around its madial wall, the first holding tank and the second holding tank form above-mentioned accommodation hole.

3. a kind of multifunctional screwdriver according to claim 2, it is characterized in that: between adjacent two first holding tanks, be axially provided with the first anti-skidding plane, between adjacent two second holding tanks, be axially provided with non-slipping block, on non-slipping block, have the second anti-skidding plane corresponding with the first anti-skidding plane, described the first anti-skidding plane is affixed in the second anti-skidding plane.

4. a kind of multifunctional screwdriver according to claim 3, is characterized in that: one end adjacent with guard ring in the first anti-skidding plane is provided with limited block, and outer sleeve front end is against limited block rear end.

5. a kind of multifunctional screwdriver according to claim 4, it is characterized in that: described interior handle cylinder front periphery has radially extended to form guard ring, and on guard ring, be formed with the counter sink coaxial with installing hole, between described counter sink and installing hole, be formed with radial platform, on described counter sink hole wall, offer some and the first holding tank corresponding and coaxial the first breach one by one.

6. a kind of multifunctional screwdriver according to claim 5, is characterized in that: on guard ring, be axially provided with some the first anti-slip tanks around its outer surface.

7. according to a kind of multifunctional screwdriver described in claim 1 or 6, it is characterized in that: on sleeve, axially offer some the second anti-slip tanks around its lateral wall outside, and described the second anti-slip tank and the second holding tank interval are uniformly distributed outside on sleeve.

8. a kind of multifunctional screwdriver according to claim 7, it is characterized in that: described outer sleeve inside is formed with cavity, cavity bottom is formed with interior table top, on described interior table top, be axially provided with the fixed axis coaxial with outer sleeve, on described fixed axis, be arranged with the first spacing collar that is positioned at cavity, and the first spacing collar two ends are against respectively on interior handle tube rear end and interior table top.

9. according to a kind of multifunctional screwdriver described in claim 1 or 8, it is characterized in that: on described mounting rod, radially offer stopper slot, in stopper slot, be provided with the second spacing collar, described the second spacing collar is installed in counter sink and second spacing collar one end end face and radial platform laminating.

10. a kind of multifunctional screwdriver according to claim 9, is characterized in that: described installing hole is the first hexagon ring, and described mounting rod rear end is formed with hexangular fixed seat around its lateral wall and hexangular fixed seat is plugged in the first hexagon ring.