CN201198123Y - Anti-swing directional manual rotating tool - Google Patents

Abstract

The utility model relates to an anti-swing directional hand screwdriver, which belongs to a hand tool. The prior art has the defaults that the noise is loud during the operation, the operating lever thereof is easy to be swung and shaken, the service life is short, and the maintainability is poor. The operating lever of the anti-swing directional manual screwdriver is installed on a handle through a bearing; a torque transmission piece is arranged between the torque bearing part of the operating lever and the torque application part of the handle, and the state transform of the torque transmission piece is realized through a directional transform piece, thereby, the swinging and the shaking can be prevented when the transform operation is realized; the utility model has the advantages that the structure is simple, the assembly is easy, accident is not easy to happen, and the integrity is strong.

Description

Anti-vibration directional manual rotating tool

Technical field

The utility model belongs to hand-operated tools, a kind of specifically anti-vibration directional manual rotating tool.

Background technology

Manual rotating tool is a kind ofly to grip handle with hand and do spinning movement and drive working beam applies moment of torsion to corresponding part hand-operated tools, screwdriver (also have cry screwdriver) promptly is a kind of representative example, traditional manual rotating tool is that working beam and handle are fixed together, during use, as screwing or unscrew a screw with a screwdriver, because the hand of gripping handle is merely able to rotate a less angle, therefore when needs during to a part continuous several times turn, needing therebetween is deadlocked allows hand turn round an angle in the other direction, sometimes be that the hand-held tool that revolves is temporarily withdrawn realization revolution in the other direction from part, this mode needs will revolve the tool alignment element once more, sometimes be to realize revolution in the other direction with the auxiliary openhanded handle of opening of gripping handle that allows of another hand, obvious, all there is inconvenience in this dual mode, influences operating efficiency.

In order to overcome above-mentioned deficiency, directional manual rotating tool should need and give birth to, " orientation " function of this manual rotating tool is to carry working beam to a direction rotary handle handle in season to rotate together so that apply moment of torsion to part, rotate relative to working beam to another direction rotary handle handle in season, working beam is positioned on the part, therefore can grip continuous the rotating back and forth of handle with hand, need not pause therebetween, reach the purpose that screws or unscrew part fast, further, this action can commutate.No. 4485699 patents of the U.S. promptly disclose so a kind of directional manual rotating tool, it is that an inner chamber is set on handle, working beam axial location restraint of labour bar in inner chamber is deviate from from inner chamber, on working beam, be provided with simultaneously two by than the intersegmental larger-diameter cylinder clutch section that separates of the neutral of minor diameter, in this inner chamber, be equipped with in addition two action directions opposite and be enclosed within clutch on neutral section and the clutch section, and promote this clutch by a push button and in inner chamber, slide, when making a clutch cooperate with a clutch section, another clutch is in the position of corresponding neutral section, by position conversion realization " orientation " function of this clutch; Reach practical proof by analysis, there is following defective in above-mentioned directional manual rotating tool:

1, realizes that " orientation " function needs two clutches that can replace at least and two clutch sections is set and a neutral section on working beam, complex structure;

2, in order to guarantee that clutch can slide in inner chamber, therefore lost the reliability that clutch combines with handle, therefore the moment of torsion that is born is difficult to meet the demands;

When 3, two clutches slided transposition in inner chamber, it move between the clutch section and neutral section that diameter does not wait, poor reliability, may cause in the time of seriously roller lose with the clutch section between cooperate;

4, the handle of the scheme of this patent is bipartite, and after bar, clutch and push button were finished the work in assembling, the two parts that constitute handle welded together, so the recoverability of this instrument when breaking down is poor.

In addition, China's ZL01243225.3 utility model patent (notification number is CN2492345Y) discloses the technical scheme of a kind of " screwdriver ", " its pipe handle inner chamber is by the pair of bearings fixed main shaft; there is a pair of forward and reverse ratchet in the main shaft stage casing; handle wall is positioned at ratchet tooth top place opening; to the hinged reversing plate that has forward and reverse ratchet, blade connects with main shaft is coaxial opening part along Handle axis.When this screwdriver uses, utilize any one external ratchet mechanism can be under the situation in the blade edge of a knife still is inserted in head of a nail groove line, work hand backward rotation is resetted, compare with the normal screws cutter, omitted at one stroke that the groove line will be through repeatedly throwing off and aim at the step of insertion on the blade edge of a knife and the head of a nail, so use this screwdriver quite to save time, so that operating efficiency is higher." reaching practical proof equally by analysis, there is following defective in above-mentioned directional manual rotating tool:

Therefore though 1 uses the pair of bearings fixed main shaft, blade needs to be inserted in the fixing hole of main shaft in use, even main shaft can not wave and rocks, is difficult to also guarantee that the relative main shaft of blade waves rocks, and influence is used;

2, handle wall is positioned at ratchet tooth top place opening, opening part along Handle axis to the hinged reversing plate that has forward and reverse ratchet, such structure causes the globality of handle not good enough, be unfavorable for gripping with hand, and the opening that handle wall is positioned at ratchet tooth top place opens wide, and some foreign material and dust are easy to enter intracavity of handle, influence cooperating of forward and reverse ratchet and forward and reverse ratchet, influence the flexible rotation of main shaft simultaneously;

3, this patent realizes orientation by forward and reverse ratchet and forward and reverse ratchet are set, and complex structure cooperates inaccuracy.

The technical assignment of the technical problems to be solved in the utility model and proposition is that working beam easily waves to rock and causes poor accuracy when overcoming the use that prior art exists, and transmits that moment of torsion is little, service life short, recoverability is poor; Simultaneously, because working beam easily waves and rock, to revolve square short than common to make the length of working beam, makes defectives such as the scope of application of product diminishes, and a kind of anti-vibration directional manual rotating tool is provided, for this reason, the utility model by the following technical solutions:

Anti-vibration directional manual rotating tool is characterized in that comprising:

Handle, portion has the endoporus of a moment of torsion applying unit and an axis direction within it, is provided with the bearing block of two separation in this endoporus;

A working beam, its leading portion have the work head (its work head can with the working beam one, also can be separate interchangeable), its back segment extends in the endoporus of described handle and by two bearings that are placed on the described bearing block, also is provided with moment of torsion and bears portion on its back segment;

Directed bridgeware, being arranged on that it is controlled also can be positioned at two positions at least on the described handle;

Torque transfer member, it bears between the portion and is controlled by described directed bridgeware, the transition status with the evolution of directed bridgeware between the moment of torsion applying unit on the described handle and the moment of torsion on the working beam.

Technique scheme is at first installed working beam the centering that realizes in the endoporus be positioned at described handle working beam by bearing, prevents from that working beam from waving to rock when rotating; Secondly, make the state of torque transfer member change,, realize orientating function so that transmit moment of torsion in opposite direction by directed bridgeware.It is simple in structure, and flexible movements are reliable, is convenient to assembling and dismounting maintenance, long service life.

As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature:

At first:

Be provided with a die cavity in the endoporus of described handle, described moment of torsion applying unit is to be formed at least two pairs of described die cavity inner surface oppositely to be provided with and circumferential uniform first lozenges and second lozenges, and the intersection of every pair first lozenges and second lozenges forms and freely holds the district;

The described moment of torsion portion of bearing is the cylindrical section that is arranged on corresponding described die cavity first lozenges and second lozenges on the described working beam;

Described directed bridgeware is a retainer, and it is enclosed within on the described working beam and is positioned at the handle front end described die cavity lid is established, and it is identical and around the penetrating limiting section of described working beam cylindrical section that it has a logarithm with described first lozenges and second lozenges;

Described torque transfer member is the identical needle roller of logarithm with described first lozenges and second lozenges, this needle roller places respectively in the penetrating limiting section of described retainer, and this needle roller is along with the difference circle is changed between the cylindrical section of described first lozenges and described working beam and between the cylindrical section of second lozenges and described working beam in the position of described retainer.

This implementation selects for use needle roller as being applied to the element that moment of torsion on the handle passes to working beam, moves in the mode of rotating during work, rotates flexibly, and noise is little, reaches quiet effect; And realize the transposition of needle roller by retainer, make the working beam can be in the function of both direction (clockwise with counterclockwise) relative realization " orientation ".Reach the purpose of this utility model thus.

More specifically:

Described handle comprises a body and shell-like parts that are fixed together with body, and described die cavity is formed on these shell-like parts.Such structure is easy to select for use the material of suitable stiffness and rigidity that die cavity is set, and guarantees that simultaneously the body handle has good gripping property, has taken into account the specification requirement of two aspects.

Described first lozenges and second lozenges are curved surface and/or plane.Such structure is beneficial to needle roller is squeezed between the cylindrical section of lozenges and working beam and reaches reliable transmission moment of torsion.

Be respectively arranged with the stopper slot and the spacing preiection that are fitted to each other on described retainer and the handle.This structure limits the slewing area of retainer, has stronger operability.

Be respectively arranged with the locating slot and the location pellet shot from a slingshot that are fitted to each other on described retainer and the handle, and be supported with spring behind the pellet shot from a slingshot of location.This structure can be positioned at corresponding working position with retainer, strengthens operability.

Described retainer comprises that a lid establishes the knob lid of described die cavity and one and cover the shifting block that is fixed together with knob, and described penetrating limiting section is arranged on this shifting block.This structure is beneficial to processing and manufacturing, and be beneficial to described locating slot and/or location pellet shot from a slingshot be provided with more hidden, keep the globality of instrument.

Described retainer has a locating surface, and described working beam is provided with a conflict on described locating surface and described retainer is applied the shaft shoulder of active force in handle.Such structure prevents that by the location of working beam realization to retainer retainer breaks away from the operating position, makes hand-operated tools of the present utility model be easy to assembling simultaneously.

Described working beam passes described retainer and two bearings successively and is connected a nut realizes the location.This structure is easy to assembling.

Secondly:

Described moment of torsion applying unit is at least one pair of first force surface and second force surface that oppositely is provided with that is formed on described handle inside;

The described moment of torsion portion of bearing is the ratchet that is arranged on the described working beam;

Described directed bridgeware is a reversed column, and it is positioned at the position of inner corresponding described first force surface of described handle and second force surface;

Described torque transfer member is to be seated between described first force surface and the described ratchet and the ratchet between described second force surface and the described ratchet, described ratchet upper support has the spring of its maintenance on described first force surface and ratchet, second force surface and ratchet, is formed with spatial accommodation in handle inside.

This implementation selects for use needle roller as torque transfer member, and the moment of torsion that is applied on the handle is passed to working beam, and reliable operation and to bear the ability of moment of torsion strong is rotated flexibly and long service life; Be easy to the change state; And realize the conversion of its state by reversed column, and simple, make working beam can realize the function of " orientation " relatively at both direction.

More specifically:

Described ratchet is gear-like, and described ratchet is provided with the ratchet that can coincide with ratchet; Plane or curved surface that described first force surface and second force surface change from small to big for the distance between each position on it and the ratchet center, described reversed column and ratchet are provided with corresponding inclined-plane.This structure when ratchet is carried out evolution, thereby can make ratchet slide and do not transmit moment of torsion away from ratchet along first force surface or second force surface, perhaps rely on ratchet and be implemented in the moment of torsion transmission of force surface between ratchet.

Described handle comprises a body and shell-like parts that are fixed together with body, and described first force surface and second force surface are formed on these shell-like parts.Such structure is easy to select for use the material of suitable stiffness and rigidity that first force surface and second force surface are set, and guarantees that simultaneously the body handle has good gripping property, has taken into account the specification requirement of intensity and two aspects of gripping performance.

Described working beam passes described knob lid, shell-like parts and two bearings successively and is connected a nut realizes the location.Be easy to assembling.

Described reversed column is arranged on a knob and covers, and is respectively arranged with location pellet shot from a slingshot and the locating slot that is fitted to each other on this knob lid and handle, and is supported with spring behind the pellet shot from a slingshot of location.

The tail end of described handle is connected with the detachable tail-hood with described endoporus shutoff.With the endoporus sealing, avoid foreign material and dust to enter thus, guarantee the integrality of handle simultaneously.

The beneficial effects of the utility model are:

1, working beam is installed the centering that realizes in the endoporus be positioned at described handle working beam by bearing, prevented that working beam waving when rotating from rocking, the accuracy that can improve work reduces maloperation;

2, because working beam waving to rock and reduce when rotating, the length that can make working beam has enlarged the directed scope of application of revolving tool with common to revolve tool the same long;

3, select for use needle roller or ratchet as torque transfer member, flexible movements during work;

4, realize the transposition of torque transfer member by retainer or reversed column, make working beam can realize the function of " orientation " at least relatively at both direction;

5, will constrain in handle inside as the needle roller or the ratchet of torque transfer member, when reaching flexible transposition, guarantee that needle roller or ratchet are positioned at rational operating position, are difficult for breaking down;

6, when transposition rotates a less angle with retainer or reversed column and can realize, and do not change the good integrity of instrument in appearance at instrument;

7, the draw ratio of needle roller (being the ratio of length and diameter) is bigger, and circumferentially be evenly distributed in the working beam cylindrical section around, so its action is stable, it is even to transmit moment of torsion;

When 8, using needle roller as torque transfer member, idle running (promptly to rotate in the opposite direction with the side that transmits moment of torsion) non-resistance transmits moment of torsion hardly, therefore can effectively avoid being operated part such as screw along with working beam turns round.

9, retainer is enclosed within on the working beam and can auxiliary bearing be felt relieved by working beam, prevents from that working beam from waving to rock;

10, workable, assemble easyly, be difficult for breaking down, be beneficial to reparation; Long service life.

Description of drawings

Fig. 1 is the profile schematic diagram of an embodiment of the present utility model.

Fig. 2 is for being the structural representation of the utility model working beam.

Fig. 3 is that the K-K of Fig. 1 is to sectional view.

Fig. 4 a is a kind of view of the A-A of Fig. 1 to the cross section.

Fig. 4 b is the another kind of view of the A-A of Fig. 1 to the cross section.

Fig. 5 a is a kind of view of the B-B of Fig. 1 to the cross section.

Fig. 5 b is the another kind of view of the B-B of Fig. 1 to the cross section.

Fig. 6 a is the profile schematic diagram of the utility model knob lid.

Fig. 6 b is that the C-C of Fig. 6 a is to sectional view.

Fig. 7 a is the profile schematic diagram of the utility model shell-like parts.

Fig. 7 b is the left view of Fig. 7 a.

Fig. 7 c is that the D-D of Fig. 7 b is to sectional view.

Fig. 7 d is that the E-E of Fig. 7 c is to sectional view.

Fig. 8 a is the profile schematic diagram of the utility model shifting block.

Fig. 8 b is the left view of Fig. 8 a.

Fig. 8 c is the right view of Fig. 8 a.

Fig. 8 d is the vertical view of Fig. 8 a.

Fig. 8 e is that the G-G of Fig. 8 d is to sectional view.

Fig. 9 is the structural representation of the utility model tail-hood.

Figure 10 is the structural representation of the utility model handle.

Figure 11 is the axial section schematic diagram of another embodiment of the present utility model.

Figure 12 is that the P-P of Figure 11 is to schematic cross-section.

Figure 13 is that the Q-Q of Figure 11 is to schematic cross-section.

Figure 14 is that the R-R of Figure 11 is to schematic cross-section.

View when Figure 15 applies moment of torsion for the manual rotating tool of structure shown in Figure 11 counterclockwise rotates to part.

View when Figure 16 applies moment of torsion for the rotation of the manual rotating tool clockwise direction of structure shown in Figure 11 to part.

Among the figure:

1-handle,

11-body,

12-shell-like parts,

1A-endoporus,

1C/1D-bearing block,

1B-die cavity,

1E-first lozenges,

1F-second lozenges,

1G-freely hold district,

1H-stopper slot,

1J/1K-locating slot,

1M-first force surface,

1N-second force surface,

1P1/1P2-spatial accommodation;

12A-location pellet shot from a slingshot,

12B-spring;

2-working beam,

2A-work head,

2B/2C-installation portion,

2D-cylindrical section,

2E-external screw thread,

2F-shaft shoulder,

2G-ratchet,

The interchangeable work head of 2H-;

3-retainer,

31-knob lid,

31A-end face,

31B-embedding slot,

31C-annular groove;

31D-positioning pit;

32-shifting block,

32A-projection,

32B-flange,

32C-column,

32D-penetrating limiting section,

32E-end plate,

32F-locating surface,

32G-spacing preiection,

34-hole back-up ring,

35-location pellet shot from a slingshot,

36-support spring,

37-reversed column, 37A/37B-inclined-plane;

4-needle roller;

5-tail-hood;

6-stop nut;

7A/7B-bearing;

8A-first ratchet, 8A1-inclined-plane, 8B-second ratchet, 8B1-second inclined-plane;

9A/9B-spring.

The specific embodiment

Embodiment one

Anti-vibration directional manual rotating tool shown in Fig. 1,3,4a, 4b, 5a, 5b, it is assembled by parts such as handle 1, working beam 2, retainer 3, needle roller 4 and tail-hoods 5, as a preferred embodiment of the present utility model, below, the structure of each parts and assembly relation thereof and action each other describe to set forth design of the present utility model by being cooperated:

Handle as shown in figure 10, it has the endoporus 1A of an axis direction, is provided with bearing block 1C, 1D and die cavity 1B of two separation in this endoporus 1A; Concrete, handle 1 comprises a body 11 and shell-like parts 12 that are fixed together with body 11 (concrete structure of these shell-like parts 12 is illustrated among Fig. 7 a, 7b, 7c, the 7d), as fixing concrete form, can place mould directly to be injection-moulded in as inserts shell-like parts 12, also can again shell-like parts 12 be pressed in the body 11 after the body injection mo(u)lding with body 11; Die cavity 1B is formed on these shell-like parts 12, and die cavity 1B have three pairs oppositely be provided with and the circumferentially uniform first lozenges 1E and the second lozenges 1F (space that described reverse setting is to form between the cylindrical section 1D of the first lozenges 1E and the second lozenges 1F and the working beam of hereinafter the addressing direction of changing from small to big is opposite as the moment of torsion applying unit, promptly one is clockwise direction, another is counterclockwise), the intersection of the every couple first lozenges 1E and the second lozenges 1F forms and freely holds district 1G, freely hold the evolution that exists for needle roller 4 of distinguishing 1G spatial accommodation is provided, in order to guarantee shell-like parts 12 and body 11 secure fixation and to bear enough high pulling torques, non-circular (referring to Fig. 7 d) is arranged at the position that shell-like parts 12 contact with body 11; Further, the end madial wall of shell-like parts 12 is provided with a stopper slot 1H and two locating slot 1J, 1K (referring to Fig. 7 b);

Working beam as shown in Figure 2, it is a stock, has work head 2A at its front end, this work head 2A can be directly forms the end machining of working beam, removable work head also can be installed, two installation portion 2B, 2C and a cylindrical section 2D who bears portion as moment of torsion are arranged on the back segment of working beam, rearward end at working beam 2 has external screw thread 2E, lower end at cylindrical section 2D forms a shaft shoulder 2F, look concrete situation, cylindrical section 2D can with the leading portion equal diameters of working beam, also can be different;

Retainer 3 is as directed bridgeware, and it is a modular construction, and it comprises knob lid 31, shifting block 32, hole back-up ring 34, location pellet shot from a slingshot 35, support spring 36; Knob lid 31 is shown in Fig. 6 a, 6b, and its end face 31A offers in the centre through hole so that wear working beam, and the inwall of end face 31A offers embedding slot 31B, and side wall inner surfaces is offered annular groove 31C; Shifting block 32 is shown in Fig. 8 a, 8b, 8c, 8d, 8e, the one end has the projection 32A corresponding with the embedding slot 31B of end face inwall and the flange 32B of a corresponding described annular groove 31C is arranged, therefore this end can place in the knob lid 31, make projection 32A insert embedding slot 31B, place stop flange 32B in the annular groove 31C to realize the assembling of knob lid 31 and shifting block 32 with back-up ring 34 in the hole afterwards, when turning knob covers 31, moment of torsion can be passed to shifting block 32 thus; Further, the main body of shifting block 32 constitutes at the uniform column 32C of circumferencial direction by three, between three column 32C, form three penetrating limiting section 32D, the end of three column 32C is connected in order to keep the matching relationship between the three and to strengthen its intensity by an end plate 32E, in addition, through hole is offered in the centre of end plate, and this through hole inner edge forms locating surface 32F (see figure 3); Shifting block 32 is provided with spacing preiection 32G and a hole, and location pellet shot from a slingshot 35 and spring 36 are put in this hole, and spring 36 is supported on the rear side of location pellet shot from a slingshot 35;

Needle roller 4 is as torque transfer member, and it is an elongate cylindrical shape, and present embodiment is three, also can be four or a plurality of;

Tail-hood 5 as shown in Figure 9, it is a member that is connected with handle 1.

The parts of said structure, can assemble in such a way:

Can be with two bearing 7A, 7B (as radial ball bearing) is seated in two bearing block 1C respectively, on the 1D, the back segment of working beam 2 is passed retainer 3, afterwards three needle rollers 4 are placed three penetrating limiting section 32D and working beam 2, shifting block 32 is inserted die cavity 1B together, make working beam 2 pass two bearing 7A, 7B exposes external screw thread 2E, two installation portion 2B, 2C respectively with two bearing 7A, the 7B correspondence, spacing preiection 32G is positioned at stopper slot 1H, the location pellet shot from a slingshot is positioned at a locating slot 1J or 1K, three needle roller 4 boundaries are between cylindrical section 2D and the first lozenges 1E or the second lozenges 1F, the last stop nut 6 of on the external screw thread 2E of working beam, screwing on, shaft shoulder 2F to working beam 2 conflicts on described locating surface 32F, realize the location of each parts thus, the tightness of nut 6 can by working beam 2 wave and axial float and knob lid 31 and handle 1 between the slit judgement; At last tail-hood 5 is connected handle 1 tail end with endoporus 1A shutoff.Cooperation after assembling is finished between each parts is illustrated among the figure such as Fig. 3,4a, 4b, 5a, 5b in detail.

The manual rotating tool that above-mentioned assembling is finished can carry out evolution with hand turning knob lid 31 relative handles 1 between two locating slot 1J, 1K, reach the direction that changes moment of torsion that hand-operated tools of the present utility model produces:

Shown in Fig. 4 a, this moment, three needle rollers, 4 difference circles were between three first lozenges 1E and working beam cylindrical section 2D, this moment, clockwise direction gripped the handle rotation with hand shown in Fig. 5 a arrow, then three needle rollers 4 promptly produce clockwise direction rolling (being the trend that clockwise direction rolls at least) because of the friction that is subjected to the first lozenges 1E and cylindrical section 2D, because the existence of first lozenges, needle roller 4 becomes more and more narrower and small to the space of the motion of this direction, thereby be compressed between the first lozenges 1E and the cylindrical section 2D, stop working beam to rotate relative to handle, impel working beam to rotate with handle, can will pass to working beam by three needle rollers thus from the moment of torsion of handle, and then pass to part (as screw, nut), realization is tightened or is unscrewed part, and, the moment of torsion that three needle rollers bear is big more, and its ability of transmitting moment of torsion also increases thereupon; Otherwise, press counter clockwise direction opposite shown in Fig. 5 a arrow and grip handle 1 rotation with hand, then three needle rollers 4 promptly roll because of the friction that is subjected to the first lozenges 1E and cylindrical section 2D produces counterclockwise, same existence because of first lozenges, three needle rollers are then to more and more spacious spatial movement, thereby, make handle rotate relative to working beam; In view of the above, can loose one's grip or the work head of working beam is withdrawn from part, only need a continuous turning handle repeatedly to fulfil assignment.

As another kind of duty, hand-held knob lid 31 rotates according to state clockwise direction shown in Fig. 4 a, the position of whole retainer 3 can be converted to state shown in Fig. 4 b, therebetween, three needle rollers 4 are stirred by shifting block 32 and are freely held district 1G from the process of position shown in Fig. 4 a and are converted to position shown in Fig. 4 b, and this moment, three needle rollers, 4 difference circles were between three second lozenges 1F and working beam cylindrical section 2D; Counterclockwise grip handle 1 with hand and rotate this moment shown in Fig. 5 b arrow, then three needle rollers 4 promptly produce rolling counterclockwise (being the trend of counterclockwise rolling at least) because of the friction that is subjected to the second lozenges 1F and cylindrical section 2D, because the existence of second lozenges, needle roller 4 becomes more and more narrower and small to the space of the motion of this direction, thereby be compressed between the second lozenges 1F and the cylindrical section 2D, stop working beam to rotate relative to handle, impel working beam to rotate with handle, can will pass to working beam by three needle rollers thus from the moment of torsion of handle, and then pass to part (as screw, nut), realization is tightened or is unscrewed part, and, the moment of torsion that three needle rollers bear is big more, and its ability of transmitting moment of torsion also increases thereupon; Otherwise, press clockwise direction opposite shown in Fig. 5 b arrow and grip the handle rotation with hand, then three needle rollers 4 promptly roll because of the friction that is subjected to the second lozenges 1F and cylindrical section 2D produces clockwise direction, same existence because of second lozenges, 4 of three needle rollers are to more and more spacious spatial movement, thereby, make handle 1 rotate relative to working beam 2; In view of the above, can loose one's grip or the work head of working beam is withdrawn from part, only need a continuous turning handle repeatedly to work continuously.

Above-mentioned Fig. 5 a, 5b two states are very practical when reality is used, and are example with the screw, both can tighten screw with manual rotating tool of the present utility model, can unscrew screw again; Further, be screw equally, because the direction of screw thread has branch left-handed, dextrorotation, therefore manual rotating tool of the present utility model both had been applicable to left-handed, also be applicable to dextrorotation, only need cooperate with first lozenges, second lozenges respectively to get final product by the position of turn knob lid conversion needle roller.

Embodiment two

Anti-vibration directional manual rotating tool shown in Figure 11,12,13,14, it is assembled by parts such as handle 1, working beam 2, knob lid 31, two ratchet 8A, 8B and tail-hoods 5, as a preferred embodiment of the present utility model, below, the structure of each parts and assembly relation thereof and action each other describe to set forth design of the present utility model by being cooperated:

Handle has the endoporus 1A of an axis direction, is provided with bearing block 1C, the 1D of two separation in this endoporus 1A; Concrete, handle 1 comprises a body 11 and shell-like parts 12 that are fixed together with body 11, as fixing concrete form, can place mould directly to be injection-moulded in (referring to embodiment one) as inserts shell-like parts 12 with body 11, on the inner surface of shell-like parts, form the first force surface 1M of symmetry (a relative radial alignment X-X symmetry) and the second force surface 1N as the moment of torsion applying unit, this first force surface 1M and the second force surface 1N distance between each position and the ratchet center is changed from small to big on it plane or curved surface by shell-like parts center; With corresponding spatial accommodation 1P1, the 1P2 of being provided with of this first force surface 1M and the second force surface 1N, on the sidewall of shell-like parts, offer a blind hole, blind hole is built-in with location pellet shot from a slingshot 12A, is supported with spring 12B at the rear side of pellet shot from a slingshot 12A;

Working beam is a stock, at its leading portion work head 2A is arranged, and head 2A can be provided with interchangeable work head 2H in work, (this diagram (Figure 11) is that four unifications also can be the six directions one or eight-in-one or the like) thus realize multi-functional.Two installation portion 2B, 2C and the gear-like ratchet 2D as torque transfer member are arranged on the back segment of working beam 2, external screw thread 2E is arranged in the rearward end of working beam 2;

Knob covers 31 centres offers a through hole so that wear working beam, and there are three positioning pit 31D its side, the reversed column 37 of the directed bridgeware of the inner conduct of extending of oriented handle on its inner face, and reversed column 37 two sides are inclined- plane 37A, 37B:

Two ratchet 8A, 8B place respectively in aforesaid two spatial accommodation 1P1, the 1P2 as torque transfer member, the one end is supported with spring 9A, 9B respectively, its other end contacts respectively on the first force surface 1M and the second force surface 1N and is respectively arranged with inclined-plane 8A1,8B1, this inclined-plane 8A1,8B1 are corresponding with inclined- plane 37A, 37B on the reversed column 37, and its medial surface is provided with ratchet;

Tail-hood 5 is a member that is connected with handle 1.

The parts of said structure, can assemble in such a way:

Two bearing 7A, 7B (as radial ball bearing) can be seated in respectively on two bearing block 1C, the 1D, the back segment of working beam 2 is passed shell-like parts, two bearing 7A, 7B successively, expose external screw thread 2E and install the nut realization the location of working beam on handle; Afterwards two ratchet 8A, 8B are placed in two spatial accommodation 1P1, the 1P2; Knob lid 31 lids are located at the front end of shell-like parts 12 again, make reversed column 37 between two ratchet 8A, 8B, location pellet shot from a slingshot 12A is positioned at a positioning pit 31D and gets final product (referring to Figure 12).

The manual rotating tool that above-mentioned assembling is finished can carry out evolution with hand turning knob lid 31 relative handles 1 between three positioning pits, reach the direction that changes moment of torsion that hand-operated tools of the present utility model produces:

As shown in figure 15, be that hand-held knob lid 31 relative handles carry out the postrotational state of clockwise direction from state shown in Figure 12, this moment, the first ratchet 8A was pushed aside from ratchet 2G by reversed column 37, only there is the second ratchet 8B to coincide on ratchet 2G, hold handle this moment and carry out the counter clockwise direction rotation, then the moment of torsion from handle passes to the second ratchet 8B through the second force surface 1N, and the second ratchet 8B passes to ratchet 2G again, makes working beam head 2A carry out work; Otherwise, hold handle and carry out the clockwise direction rotation, then the counter clockwise direction moment of torsion from working beam 2 acts on the second ratchet 8B by ratchet 2G, force the second ratchet 8B on the second force surface 1N, counterclockwise to slide and disengaging ratchet 2G, if continue such rotation, then under the support of spring 9B, this second ratchet 8B slips over from the ratchet one by one of ratchet 2G.

As shown in figure 16, be that hand-held knob covers relative handle and carries out the postrotational state of counter clockwise direction from state shown in Figure 12, this moment, the second ratchet 8B was pushed aside from ratchet 2G by reversed column, only there is the first ratchet 8A to coincide on ratchet 2G, hold handle this moment and carry out the clockwise direction rotation, then the moment of torsion from handle passes to the first ratchet 8A through the first force surface 1M, and first ratchet passes to ratchet 2G again, makes working beam head 2A carry out work; Otherwise, hold handle and carry out the counter clockwise direction rotation, then the clockwise direction moment of torsion from working beam 2 acts on the first ratchet 8A by ratchet 2G, force first ratchet 8A clockwise direction on the first force surface 1M to slide and disengaging ratchet 2G, if continue such rotation, then under the support of spring, this first ratchet 8A slips over from the ratchet one by one of ratchet 2G.

When pellet shot from a slingshot was positioned at position shown in Figure 12, two ratchets worked simultaneously, and this moment, this orientation was revolved tool and common to revolve tool the same, and working beam is fixed and loses " orientation " function, realizes clockwise and/or work counterclockwise.

Claims (15)

1. anti-vibration directional manual rotating tool is characterized in that comprising:

Handle (1), portion has the endoporus (1A) of a moment of torsion applying unit and an axis direction within it, is provided with the bearing block (1C, 1D) of two separation in this endoporus (1A);

A working beam (2), its leading portion have work head (2A), and its back segment extends in the endoporus (1A) of described handle (1) and by two bearings (7A, 7B) that are placed on the described bearing block (1C, 1D) and supports, and also is provided with moment of torsion and bears portion on its back segment;

Directed bridgeware, being arranged on that it is controlled also can be positioned at two positions at least on the described handle;

Torque transfer member, it bears between the portion and is controlled by described directed bridgeware, the conversion work state with the evolution of directed bridgeware between the moment of torsion applying unit on the described handle and the moment of torsion on the working beam.

2. anti-vibration directional manual rotating tool according to claim 1, it is characterized in that being provided with a die cavity (1B) in the endoporus (1A) of described handle (1), described moment of torsion applying unit is for being formed at least two pairs of reverse settings and circumferential uniform first lozenges (1E) and second lozenges (1F) of described die cavity (1B) inner surface, and the intersection of every pair first lozenges (1E) and second lozenges (1F) forms and freely holds district (1G);

The described moment of torsion portion of bearing is for being arranged on the cylindrical section (2D) of corresponding described die cavity (1B) first lozenges (1E) and second lozenges (1F) on the described working beam (2);

Described directed bridgeware is a retainer (3), it is enclosed within described working beam (2) and goes up and be positioned at handle (1) front end described die cavity (1B) lid is established, and it is identical and center on the penetrating limiting section (3D) of described working beam (2) cylindrical section (2D) that it has a logarithm with described first lozenges (1E) and second lozenges (1F);

Described torque transfer member is the needle roller (4) identical with the logarithm of described first lozenges (1E) and second lozenges (1F), this needle roller (4) places respectively in the penetrating limiting section (3D) of described retainer (3), and this needle roller (4) is along with the difference circle is changed between the cylindrical section (2D) of described first lozenges (1E) and described working beam and between the cylindrical section (2D) of second lozenges (1F) and described working beam in the position of described retainer (3).

3. anti-vibration directional manual rotating tool according to claim 2, it is characterized in that described handle (1) comprises a body (11) and shell-like parts (12) that are fixed together with body (11), described die cavity (1B) is formed on these shell-like parts (12).

4. according to claim 2 or 3 described anti-vibration directional manual rotating tools, it is characterized in that described first lozenges (1E) and second lozenges (1F) are curved surface and/or plane.

5. anti-vibration directional manual rotating tool according to claim 2 is characterized in that being respectively arranged with on described retainer (3) and the handle (1) stopper slot (1H) and the spacing preiection (32G) that is fitted to each other.

6. anti-vibration directional manual rotating tool according to claim 2, it is characterized in that being respectively arranged with on described retainer (3) and the handle (1) locating slot (1J, 1K) and the location pellet shot from a slingshot (35) that are fitted to each other, and be supported with spring (36) behind the location pellet shot from a slingshot (35).

7. according to claim 2,3,5 or 6 described anti-vibration directional manual rotating tools, it is characterized in that described retainer (3) comprises that a lid establishes the knob lid (31) of described die cavity (1B) and one and cover the shifting block (32) that (31) are fixed together with knob, described penetrating limiting section (32D) is arranged on this shifting block (32).

8. anti-vibration directional manual rotating tool according to claim 2, it is characterized in that described retainer (3) has a locating surface (32F), described working beam (2) is provided with a described locating surface of correspondence (32F) and described retainer (3) is applied the shaft shoulder (2F) of active force in handle (1).

9. anti-vibration directional manual rotating tool according to claim 8 is characterized in that described working beam (2) passes described retainer (3) and two bearings (7A, 7B) successively and is connected a nut (6) to realize the location.

10. anti-vibration directional manual rotating tool according to claim 1 is characterized in that described moment of torsion applying unit is at least one pair of first force surface (1M) and second force surface (1N) that oppositely is provided with that is formed on described handle inside;

The described moment of torsion portion of bearing is for being arranged on the ratchet (2G) on the described working beam (2);

Described directed bridgeware is a reversed column (37), and it is positioned at the position of inner corresponding described first force surface (1M) of described handle and second force surface (1N);

Described torque transfer member is for to be seated between described first force surface (1M) and the described ratchet (2G) and first ratchet (8A) between described second force surface (1N) and the described ratchet (2G) and second ratchet (8B), described ratchet upper support has the spring (9A, 9B) of its maintenance on described first force surface (1M) and ratchet (2G), second force surface (1N) and ratchet (2G), is formed with spatial accommodation (1P1,1P2) in handle inside.

11. anti-vibration directional manual rotating tool according to claim 10 is characterized in that described ratchet (2G) is gear-like, described ratchet (8A, 8B) be provided with can with the identical ratchet of ratchet (2G); Plane or curved surface that described first force surface (1M) and second force surface (1N) change from small to big for the distance between each position and ratchet (2G) center on it, described reversed column (37) and ratchet (8A, 8B) are provided with corresponding inclined-plane (8A1,8B1,37A, 37B).

12. anti-vibration directional manual rotating tool according to claim 10, it is characterized in that described handle (1) comprises a body (11) and shell-like parts (12) that are fixed together with body (11), described first force surface (1M) and second force surface (1N) are formed on these shell-like parts (12).

13. anti-vibration directional manual rotating tool according to claim 12 is characterized in that described working beam (2) passes described knob lid (31), shell-like parts (12) and two bearings (7A, 7B) successively and is connected a nut (6) realization location.

14. according to claim 10,11,12 or 13 described anti-vibration directional manual rotating tools, it is characterized in that described reversed column (37) is arranged on the knob lid (31), on this knob lid (31) and handle, be respectively arranged with location pellet shot from a slingshot (12A) and the positioning pit (31D) that is fitted to each other, and be supported with spring (12B) behind the location pellet shot from a slingshot (12A).

15. anti-vibration directional manual rotating tool according to claim 1, the tail end that it is characterized in that described handle (1) is connected with the detachable tail-hood (5) with described endoporus (1A) shutoff.

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