CN2494735Y - Spanner capable of attracting nut - Google Patents

Abstract

The utility model relates to a wrench capable of gripping screw caps. The wrench includes a handle, an open end and a magnetic body. The open end extends from the handle and a web area is formed between the open end and the handle; a pair of palate clamps extend from both sides of the web area; each palate clamp is provided with a first drive surface and a second drive surface which are correspondingly in parallel and crossed into a throat cave in the web area; a middle shaft is provided in the separating halving distance of the first and the second drive surfaces; the middle shaft extends to the throat cave and is provided with a containing chamber; the magnetic body is laid in the containing chamber. When the utility model combines screw pieces and the open end, the screw pieces can be absorbed by the magnetic body, and the screw caps can not fall off the wrench.

Description

A kind of spanner that holds nut

Technical field

The utility model relates to a kind of spanner, particularly a kind of spanner that holds nut.

Background technology

Especially occupy a large amount of market with hand-held tool in the conventional industries, no matter it is all the field energy person of taking advantage in the city in factors such as quality, practicality and excellent operability, just can seize market, therefore hand-held tool on mode of making and process directly and cost and speed of production closely bound up, also be the most important competitiveness of hand-held tool now.

As shown in Figure 1, it is habitual open-end wrench 1, its two ends all are made as and are openend 2, this openend 2 is used in order to switching spiral shell spare, as shown in FIG., but openend 2 support screw caps 3 of open-end wrench 1, and this nut 3 is screwed together in bolt 4, but do not have any magnetic or installing magnetic devices for fear of openend 2, so when nut 3 when bolt 4 spiral shells withdraw from, nut 3 is dropped on the ground, and makes when nut 3 withdraws from bolt 4, the user must hold up with hand and connect, and can avoid nut 3 to drop; Therefore this open-end wrench 1 (in the engine chamber as automobile) if when narrow space is worked, nut 3 moves back in the bolt 4 at spiral shell, and the user does not go to hold up with hand and connects nut 3, and this nut 3 must drop in engine chamber when spiral shell moves back bolt 4, and is difficult for looking for out; Moreover, in narrow and small working space, limit for fear of narrow space, user's hand may not be certain to stretch into the space and holds up and connects nut 3, perhaps the user is must one hand steered sometimes when connecing working substance, just can carry out the spiral shell work of changing a job, therefore wait at this moment with singlehanded screw lock nut 3 and be inevitable, but during one-handed performance, mat open-end wrench 1 can't hold nut 3, therefore when nut 3 withdraws from bolt 4, still keep away the situation generation that unavoidable nut 3 drops, so how this open-end wrench 1 when spiral shell moves back nut 3, makes nut 3 not have the shortcoming that breaks away from its openend 2, be industry to pursue the important topic of solution always.

With regard to the problems referred to above, someone has invented reality solution shown in annex one, annex one is No. the 435307th, Announcement Number, the Taiwan patent of " having the slippage of being difficult for; drop; the various tool magnetic devices of rolling " by name, shown in its 17～the 20 figure, magnet 61 is embedded at the tail end of monkey wrench 6, so be provided with monkey wrench 6 is also promoted for no tangible effect, because of monkey wrench 6 is head-end location with respect to the driving part of spiral shell spare, it also is the position that drives spiral shell spare, so as among the figure announcement, monkey wrench 6 is when spiral shell moves back spiral shell spare, the user does not connect nut as if not holding up with hand, this nut is when withdrawing from bolt, nut is dropped on the ground, though recycling tail end nut is picked up, if nut drops in narrow space, indoor as car engine, its monkey wrench 6 may not be certain can be with the nut sucking-off, and the structure shown in this scheme is still cures the symptoms, not the disease, and still can not meet user's demand; And shown in its 23 figure, when being applied on the double offset ring spanner for this scheme, by finding out among the figure, magnet is to be embedded on the lever of spanner, it so is provided with just as aforementioned, magnet is embedded on the tail end, when spiral shell moves back nut and fail effectively to improve can the come off shortcoming of spanner of nut, still studies carefully the space that improvement is arranged so the prior art is applied to the structure setting of monkey wrench and double offset ring spanner.

Annex two is No. the 359212nd, Taiwan patent announcement, " structural improvement of spanner " by name, its sidewall appropriate location in spanner 1 distolateral U type grip slipper 12 is inwardly offered a holddown groove 13, and in holddown groove 13, insert a magnetic thing 2, make and to hold folded object of pulling in the grip slipper 12, though this case does not have the aforementioned spanner of saying can't adsorb spiral shell spare when work problem, but shown in this case second figure, holddown groove 13 is a U type shape, and be located on this U type grip slipper 12 inwalls, so it is complicated many that holddown groove 13 seems in processing, 12 inwall both sides are the drive surface of switching spiral shell spare because we know U type grip slipper, this drive surface must be the plane of opposing parallel, so adding man-hour at holddown groove 13 must be quite meticulous, after making magnetic thing 2 be assembled in holddown groove 13, just can not influence the pass that contacts of grip slipper 12 with the spiral shell spare of spanner 1, and have influence on the effect of pulling; And when spanner 1 grip slipper 12 combines with spiral shell spare, spiral shell spare outside flat face is not to fit in grip slipper 12 inboard two walls fully, and mostly be to contact with a flat face, and another side forms the gap, so magnetic thing 2 is not to contact with spiral shell spare fully, therefore magnetic thing 2 materials use too much, at spanner easily once in the manufacturing with hundreds thousand of, millions of quantity, its cost that influences spanner 1 is well imagined, so the usability of this spanner 1 unfavorable industry, with regard to the real necessity that improvement is arranged of this spanner of last various shortcoming.

In view of this, the design people designs with the production of being engaged in the hand-held tool dependency structure for many years, and in view of the foregoing, does painstaking research, and developmental research goes out a kind of spanner that holds nut, can exempt the inconvenience that known configurations is brought, to feed back to all consumers.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of spanner, be available for users to when spiral shell moves back nut, be embedded with magnetic, make nut adsorbed by magnetic by abdomen part, need not to hold up to connect nut, and can not make nut that the problem of the wrench opening end that comes off is arranged with hand; Identical when work in narrow space, also available spanner holds nut, and with the one-handed performance spanner bandle, singly refers to hold up flat nut, and reach the function of screw lock nut.

For this reason, the utility model is a kind of spanner that holds nut, and wherein an end has a driving part, is embedded with the magnetic that holds nut when this spanner driving part position combines with spiral shell spare on this driving part inner edge wall at least.

Wherein magnetic is embedded on the drive surface of driving part.

Wherein magnetic is embedded at throat's middle section position of spanner.

Wherein magnetic is embedded on the drive surface of driving part, and can protrudingly expose driving part.

Wherein the spanner driving part position comprises a fixed jaw and corresponding movable jaw, and an adjusting device that engages with movable jaw, and fixed jaw can be shifted to and move apart to movable jaw, and this magnetic just is embedded at movable jaw or fixed jaw wherein on the drive surface.

Wherein the driving part internal face is equipped with and is polygon.

Wherein the driving part inner wall face of this spanner has comprised a drive surface and a sliding surface, and this magnetic can be embedded at drive surface or sliding surface.

Wherein magnetic can be cylindrical.

Wherein magnetic can laterally be embedded at the driving part internal face.

Wherein magnetic can vertically be embedded at the driving part internal face.

The utlity model has following characteristics and advantage:

1, the spanner that holds nut of the present utility model, it is embedded at the spanner abdomen part by magnetic, or on the drive surface, just can have the effect that holds nut, and the mat magnetic is one cylindric, so at its material can reduce manyly on the volume than conventional techniques, reduce cost effectively, quite have the usability on the industry.

2, the spanner that holds nut of the present utility model, it solves the user when work in narrow space, hand can't stretch into and hold up the problem that connects nut in the space, and can hold the effect of nut by spanner, the user is provided advantage that can one-handed performance, and finish the required spiral shell work of changing a job at small space, nut does not have the problem of the spanner that comes off.

3, the spanner that holds nut of the present utility model, it is available for users to when spiral shell moves back nut, because spanner is embedded with magnetic, make nut adsorbed by magnetic, need not to hold up to connect nut, and can not make nut that the problem of the wrench opening end that comes off is arranged, so the user is at different working environments with hand, also can be with the one-handed performance spanner, and finish the work of expection.

Description of drawings

Description of drawings is as follows:

Fig. 1: for habitual open-end wrench is implemented the state diagram that spiral shell is changed a job and done;

Fig. 2: be the utility model structural upright exploded view;

Fig. 3: be the top view of the utility model support screw cap;

Fig. 4: be the part cutaway view of the utility model support screw cap;

Fig. 5: for the utility model is implemented first working state figure that spiral shell changes;

Fig. 6: for the utility model is implemented second working state figure that spiral shell changes;

Fig. 7: for the utility model is implemented the 3rd working state figure that spiral shell changes;

Fig. 8: the schematic diagram that is embodied as double offset ring spanner for the utility model other end;

Fig. 9: the schematic diagram that is embodied as ratchet spanner for the utility model other end;

Figure 10: the schematic diagram that is embedded magnetic for the abdomen part of double offset ring spanner;

Figure 11: for double offset ring spanner is embedded magnetic in abdomen part, and the protruding schematic diagram that exposes the turn position of this magnetic;

Figure 12: be that the Wrench head shown in the 11 figure combines schematic diagram with nut;

Figure 13: on the drive surface of spanner jaw, being embedded the schematic diagram of magnetic;

Figure 14: the schematic diagram that is embedded magnetic for drive surface and sliding surface in open fast wrench;

Figure 15: the schematic diagram that is embedded magnetic for drive surface in the monkey wrench fixed jaw;

Figure 16: for magnetic is embedded at the middle schematic diagram of two drive surface.

Annex one: be the patent gazette of Taiwan Announcement Number No. 435307 " having the various tool magnetic devices that is difficult for slippage, drops, rolls ";

Annex two: be the patent gazette of the utility model patent of Taiwan Announcement Number No. 359212 " structural improvement of spanner ".

[the reference number number in the icon]

1 open-end wrench, 2 openends, 3 nuts

4 bolts, 10 spanners, 11 levers

12 openends, 13 abdomen parts, 131 larynx caves

132 rooms, 14 jaws, 141 first drive surface

15 jaws, 151 second drive surface, 16 axis

17 heads, 171 turn positions, 20 magnetics

30 nuts, 301 stress surfaces, 302 stress surfaces

31 working substances, 311 threaded portions, 303 end angles

32 working substances, 321 threaded portions, 322 retaining edge

33 working substances, 331 threaded portions, 40 ratchets

41 turn positions, 50 double offset ring spanners, 51 levers

52 heads, 53 turn positions, 54 abdomen parts

60 spanners, 61 levers, 62 openends

63 abdomen parts, 64 jaws, 641 drive surface

65 jaws, 651 sliding surfaces, 70 monkey wrenches

71 wrench body, 72 fixed jaws, 721 drive surface

73 movable jaws, 731 drive surface, 74 adjusting devices

80 spanners, 81 levers, 82 openends

83 abdomen parts 831 the 3rd drive surface 832 the 4th drive surface

84 jaws, 841 first drive surface, 85 jaws

851 second drive surface

The specific embodiment

The utility model provides a kind of spanner that holds nut, and existing conjunction with figs. is described in detail as follows embodiment of the present utility model:

Please consult Fig. 2 earlier, the utility model can hold nut spanner structure thus figure can roughly see it, the utility model includes:

One spanner 10, it has a lever 11, and these lever 11 at least one ends extend an openend 12, and this openend 12 is used for nut 30 spiral shells are located on the bolt, and has comprised an abdomen part 13, and this abdomen part 13 is connected with lever 11;

These abdomen part 13 both sides extend out a pair of jaw 14,15, first and second drive surface 141,151 that respectively has parallel correspondence, it intersects a larynx cave 131 in abdomen part 13, and first and second drive surface 141,151 is separated by five equilibrium apart from having an axis 16, this axis 16 equates with the distance of first and second drive surface 141,151 and is parallel to each other, this axis 16 also is the opening longitudinal axis of spanner 10, and axis 16 extends to the room 132 that 131 positions, larynx cave are concaved with a circle, and the center of this room 132 just is fit on axis 16 positions;

One magnetic 20 is a cylindrical shape, can be embedded in the room 132 by bonding mode.

And shown in Fig. 3,4, it is incorporated into the openend 12 of spanner 10 for nut 30, wherein two stress surfaces 301,302 of nut 30 outsides are connected to first and second drive surface 141,151, and the one end angle 303, outside of nut 30 just is subjected to the magnetic force absorption of magnetic 20 and can replace the center in larynx cave 131, and end angle 303 is a line state of contact with larynx cave 131, and the utility model magnetic 20 can also be laterally or vertically is embedded at abdomen part 13.

Continue to consult shown in Figure 5, the magnetic 20 that the user is embedded with by spanner 10 larynx caves 131, nut 30 can be adsorbed in openend 12, need not to hold up and connect nut 30 with hand, and can not make nut 30 that the problem of the wrench opening end 12 that comes off is arranged, so be available for users under one-handed performance, nut 30 can be screwed together on the threaded portion 311 of working substance 31, or under 311 spiral shells of threaded portion.

And as shown in Figure 6, it is another actual user mode of the utility model, to display among the figure is in different spaces, sometimes may not be certain can be with the bimanualness spanner, because sometimes for fear of the restriction in space, sometimes must the one hand steered working substance that connects of user just can carry out the spiral shell part of changing a job, when therefore work in the utility model space shown in the figure, though have a L shaped retaining edge 322 for fear of working substance 32, can't be with bimanualness spanner 10, but mat spanner 10 larynx caves 131 are embedded with the event of magnetic 20, nut 30 can be adsorbed in openend 12, and can for the user under one-handed performance, nut 30 can be screwed together on the threaded portion 321 of working substance 32.

And as shown in Figure 7, it is the utility model actual user mode again, when in work in narrow space as shown in the figure, though can't being contained in to hold up in the small space, user's hand connects nut 30, but the magnetic 20 that mat the utility model spanner 10 larynx caves 131 are embedded with, nut 30 can be adsorbed in openend 12, and can for the user under one-handed performance, nut 30 can be screwed together on the threaded portion 331 of working substance 33.

Again as shown in Figure 8, spanner 10 other ends can be established a head 17, and these head 17 inner edge side walls are equipped with the turn position 171 that is polygon, and make the effect that the utlity model has double offset ring spanner.

And as shown in Figure 9, the head 17 of spanner 10 turns a ratchet 40 is set, and these ratchet 40 interior sidewall surface are equipped with the turn position 41 that is polygon, and make the effect of the utility model tool ratchet spanner.

Again as shown in figure 10, it is a double offset ring spanner 50, and its lever 51 1 ends extend a head 52 inner edge side walls and are equipped with the turn position 53 that is polygon, and are provided with an abdomen part 54 between head 52 and the lever 51, abdomen part 54 can obliquely be embedded magnetic 20, and has above-mentioned effect.

And as shown in figure 11, when the abdomen part 54 of double offset ring spanner 50 can obliquely be embedded magnetic 20, and these magnetic 20 ends can be by 53 protruding exposing of turn position, therefore as shown in figure 12, when nut 30 is incorporated into the turn position 53 of head 52, outside the mat magnetic 20 adsorbable nuts 30, do not increasing under the situation of any device, taking advantage of effect and can reach adding of preventing that nut 30 from coming off.

Again as shown in figure 13, magnetic 20 also can corresponding be embedded on first and second drive surface 141,151 of jaw 14,15 of spanner 10, and also has above-mentioned identical effect.

And as shown in figure 14, be a kind of open fast wrench 60, and it has a lever 61, and these lever 61 at least one ends extend an openend 62, and this openend 62 has comprised an abdomen part 63, and this abdomen part 63 is connected with lever 61.

These abdomen part 63 both sides extend out a pair of jaw 64,65, this jaw 64 has a drive surface 641, this jaw 64 has a sliding surface 651, drive surface 641 be connected with sliding surface 651 and the larynx cave that forms this spanner 60 partly, and on drive surface 641 and sliding surface 651, be embedded magnetic 20, and make this spanner 60 have above-mentioned effect.

And as shown in figure 15, it is a kind of monkey wrench 70, this monkey wrench 70 has a wrench body 71, these wrench body 71 1 ends have a fixed jaw 72, these fixed jaw 72 corresponding slidingtypes are installed in the movable jaw 73 of wrench body 71, and this fixed jaw 72 respectively has one with movable jaw 73 and is used to contact spiral shell spare or the drive surface of other working surface 721,731.

This wrench body 71 more includes an adjusting device 74 that engages with movable jaw 73, in order to fixed jaw 72 is shifted to and moved apart to movable jaw 73.

And on the drive surface 721 of the fixed jaw 72 of this wrench body 71, be embedded with magnetic 20, when making monkey wrench 70 spiral shells change spiral shell spare, and the drive surface 721 of mat fixed jaw 72 is embedded with the event of magnetic 20, and can reach the effect of absorption spiral shell spare, perhaps be embedded magnetic 20 and also have its function in the drive surface 731 of movable jaw 73.

At last as shown in figure 16, it is another open-end wrench 80, and it has a lever 81, and these lever 81 at least one ends extend an openend 82, and this openend 82 has comprised an abdomen part 83, and this abdomen part 83 is connected with lever 81.

These abdomen part 83 both sides extend out a pair of jaw 84,85, respectively convex with first and second drive surface 841,851 that contacts with spiral shell spare, and also convex with third and fourth drive surface 831,832 that contacts with spiral shell spare in abdomen part 13, this third and fourth drive surface 831,832 differs 60 degree angles with first and second drive surface 841,851 respectively, and mat magnetic 20 is embedded at the 3rd drive surface 831 or the 4th drive surface 832, make that spanner 80 had the effect that holds spiral shell spare when openend 82 combined with spiral shell spare.

Only the above person only is a preferred embodiment of the present utility model, and when can not limiting the scope that the utility model is implemented with this, all equivalent variations and modifications of doing according to the utility model all should still belong within the scope that the utility model patent contains.

Claims (10)

1. spanner that can hold nut, it is characterized in that: the one end has a driving part, is embedded with the magnetic that holds nut when this spanner driving part position combines with spiral shell spare on this driving part inner edge wall at least.

2. the spanner that holds nut as claimed in claim 1 is characterized in that: wherein magnetic is embedded on the drive surface of driving part.

3. the spanner that holds nut as claimed in claim 1 is characterized in that: wherein magnetic is embedded at throat's middle section position of spanner.

4. the spanner that holds nut as claimed in claim 1 is characterized in that: wherein magnetic is embedded on the drive surface of driving part, and can protrudingly expose driving part.

5. the spanner that holds nut as claimed in claim 1, it is characterized in that: wherein the spanner driving part position comprises a fixed jaw and corresponding movable jaw, an and adjusting device that engages with movable jaw, fixed jaw can be shifted to and move apart to movable jaw, and this magnetic just is embedded at movable jaw or fixed jaw wherein on the drive surface.

6. the spanner that holds nut as claimed in claim 1 is characterized in that: wherein the driving part internal face is equipped with and is polygon.

7. the spanner that holds nut as claimed in claim 1 is characterized in that: wherein the driving part inner wall face of this spanner has comprised a drive surface and a sliding surface, and this magnetic can be embedded at drive surface or sliding surface.

8. the spanner that holds nut as claimed in claim 1 is characterized in that: wherein magnetic can be cylindrical.

9. the spanner that holds nut as claimed in claim 1 is characterized in that: wherein magnetic can laterally be embedded at the driving part internal face.

10. the spanner that holds nut as claimed in claim 1 is characterized in that: wherein magnetic can vertically be embedded at the driving part internal face.

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