CN206200827U

CN206200827U - The telescopic spanner of torque-variable and tool box

Info

Publication number: CN206200827U
Application number: CN201621314683.9U
Authority: CN
Inventors: 高嵩
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-02
Filing date: 2016-12-02
Publication date: 2017-05-31
Anticipated expiration: 2026-12-02

Abstract

The utility model provides a kind of telescopic spanner of torque-variable and tool box, and the spanner includes being based on external force, produces the power input block of rotary power；Based on rotary power, equivalent moment or many times of torque output units of equivalent moment are produced；Support unit for consolidating the torque output unit.Can solve the problems, such as to need larger torsional moment in the case of smaller torsion using the spanner.

Description

The telescopic spanner of torque-variable and tool box

Technical field

The utility model is related to hand-operated tools technical field, more particularly, to a kind of telescopic spanner of torque-variable and instrument Case.

Background technology

Box spanner it be by sleeve of the multiple with hexagon ring or 12 corner apertures and equipped with various sleeve barrel spanners such as handle, extension bar Hand annex is constituted, and is particularly well-suited to twist that status is very narrow and small or bolt or nut of depression very deep.

Conventional sleeve spanner, the rotating speed of its handle is identical with the rotating speed of sleeve, is needed to use when (tightening) nut is unclamped This provides larger torsion can just overcome the stiction of initial (last) between nut and screw rod, it requires user's hand Strength is larger, in order to meet the use of different users in daily life, it is desirable to have if one kind can less torsion with regard to energy Produce the box spanner of high torque.Meanwhile, exist in life because moment of torsion produces too urgent or moment of torsion to be difficult to control to, cause to damage spiral shell Bolt even twists off the phenomenon of screw rod, it is desirable to have a kind of box spanner that can more slowly produce moment of torsion or controllable generation moment of torsion.

Utility model content

The purpose of this utility model is to provide a kind of telescopic spanner of torque-variable, and the spanner solves smaller torsion and produces The problem of high torque and controllable, slow generation moment of torsion.

In order to solve the above technical problems, the utility model is adopted the following technical scheme that：

A kind of telescopic spanner of torque-variable, the spanner includes：

Power input block, based on external force, produces rotary power；

Torque output unit, based on rotary power, produces equivalent moment or many times of equivalent moments；

Support unit, for consolidating the torque output unit.

Preferably, the power input block includes：Handle and fixed spanner extension rod vertical with the handle, it is described Spanner extension rod is fixed with the torque output unit.

Preferably, the spanner extension rod is vertical with the geometric center of the handle fixes.

Preferably, the handle is circular or cylinder.

Preferably, the torque output unit includes：Planetary reducer and sleeve；

The power intake of the planetary reducer is fixed with power input block；

The sleeve is fixed with the torque output of the planetary reducer.

Preferably, the support unit includes：Slide mechanism and supporting mechanism；

The slide mechanism can reciprocatingly move along perpendicular to the power output direction of the power input block；

The drive supporting mechanism that moves back and forth of the slide mechanism is taken down the exhibits motion.

Preferably, the slide mechanism includes：It is set in the sliding sleeve on the power input block.

Preferably, the locking for externally protruding out in the sleeve for locking the supporting mechanism is further provided with the sliding sleeve Groove.

Preferably, the supporting mechanism includes：Drive link and support bar；

One end of the drive link is rotatably connected with slide mechanism, and its other end is rotatable with the body of rod of the support bar Connection；

One end of the support bar is rotatably connected with torque output unit, and its other end is hanging.

At least one of a kind of tool box, including multiple grooves position, described groove position are for accommodating above-mentioned torque-variable sleeve Formula spanner.

The beneficial effects of the utility model are as follows：

1. it is input into small moment of torsion and realizes output high pulling torque；

2. it is slower to realize that high-torque is rotated, it is to avoid to damage by rotary body；

3. can adjust or realize controllable rotating torque.

Brief description of the drawings

In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

The socket wrench structure schematic diagram that Fig. 1 is provided for the utility model embodiment；

Fig. 2 is the use schematic diagram of box spanner；

Fig. 3 is A-A profiles in Fig. 1；

Fig. 4 is B-B profiles in Fig. 1.

Icon：

1- handles；2- spanner extension rods；3- sliding sleeves；4- drive links；5- support bars；6- planetary reducers；7- sleeves； 8- lock slots.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be only Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Conventional sleeve spanner, the rotating speed of its handle is identical with the rotating speed of sleeve, is needed to use when (tightening) nut is unclamped Person provides larger torsion can just overcome the stiction of initial (last) between nut and screw rod.

Inventor of the present utility model has found：Changed using the reducing gear of planetary reducer handle and sleeve it Between rotating speed, can reach change moment of torsion effect so that box spanner can also be produced under less torsion compared with Big moment of torsion.

Torque-variable box spanner of the present utility model is a kind of box spanner of variable torque, and the spanner includes：Based on outer Power, produces the power input block of rotary power；Based on rotary power, produce the moment of torsion of equivalent moment or many times of equivalent moments defeated Go out unit；Support unit for consolidating torque output unit.

Power input block includes handle 1 and the spanner extension rod 2 fixed vertical with handle, and torque output unit includes row Star gear reduction unit 6 and sleeve 7；Support unit includes slide mechanism and supporting mechanism；Slide mechanism includes that being set in spanner prolongs Sliding sleeve 3 on stock 2, supporting mechanism includes drive link 4 and support bar 5.

The output end connection of spanner extension rod 2 and planetary reducer 6, support unit is by sliding sleeve 3, drive link 4 and branch Strut 5 is constituted, and sliding sleeve 3 is socketed on spanner extension rod 2, can be slided up and down along spanner extension rod 2, the one end of support bar 5 and planet The shell link of gear reduction unit 6, its middle part is linked with drive link 4 again, and one end and the sliding sleeve 3 of drive link 4 are linked.

Embodiment 1

As shown in Figures 1 to 4, a kind of telescopic spanner of torque-variable, the spanner includes：Based on external force, rotary power is produced Power input block；Based on rotary power, equivalent moment or many times of torque output units of equivalent moment are produced；For firm torsion The support unit of square output unit.

Power input block includes handle 1 and the spanner extension rod 2 fixed vertical with handle, spanner extension rod 2 and moment of torsion Output unit is fixed；Spanner extension rod 2 is vertical with the geometric center of handle 1 to be fixed；The shape of handle 1 can be circular or cylinder Shape.

Torque output unit includes planetary reducer 6 and sleeve 7；The power intake of planetary reducer 6 with Power input block is fixed；Sleeve 7 is fixed with the torque output of planetary reducer 6, planetary reducer 6 and sleeve 7 inside connection.

Support unit includes slide mechanism and supporting mechanism；Slide mechanism includes the sliding sleeve being set on power input block 3, supporting mechanism includes drive link 4 and support bar 5；Sliding sleeve 3 can do past along the power output direction perpendicular to power input block It is multiple mobile；Sliding sleeve 3 move back and forth drive drive link 4 and support bar 5 is taken down the exhibits motion；Sliding sleeve 3 is provided with for lock support The lock slots 8 for externally protruding out in sliding sleeve 3 of mechanism；One end of support bar 5 is rotatably connected with torque output unit, and its other end hangs Sky, it is sustainable to be fixed on the projecting device of outside；One end of drive link 4 is rotatably connected with sliding sleeve 3, its other end with support The body of rod of bar 5 is rotatably connected.

Preferably, supporting mechanism is at least provided with 3 sets, planetary reducer is from general planetary reducer Can, the transmission ratios of the planetary reducer of selection are 1:2, transmission ratios can also concrete condition as needed, depending on can The torque of input and the torque for needing to export, and transmission ratios are defined as 1:5,1:10,1:15,1:20,1:40 Deng.

First sleeve 7 is enclosed within nut when using, now struts support bar 5, support bar 5 is stuck in around some nuts In prominent fixing device, prevent support unit from rotating, so that the shell of connected planetary reducer 6 Can not rotate.When user rotates handle 1 and band wrench extension rod 2 is rotated, spanner extension rod 2 also drives planetary gear reduction The input synchronous axial system of fast device 6, by bigger torsion is passed into planetary gear reduction after the deceleration of planetary reducer 6 The output end of fast device 6 is simultaneously rotated together with the nut that moving sleeve 7 is socketed.Due to the chronotropic action of planetary reducer 6 so that The rotating speed of its input more than output end rotating speed, therefore its output end torsional moment more than input torsional moment, this Bigger moment of torsion is just obtained during Shi Yong device pine (tight) nuts.

During loose nut, after nut starts to loosen, support bar 5 and drive link 4 can be closed up, the now transmission of support unit Bar 4 and support bar 5 are all close to the outer wall of spanner extension rod 2, and the outside of sliding sleeve 3 is provided with the lock slots 8 for protruding from sliding sleeve 3, is used for Clip support bar 5, so after drive link 4 and support bar 5 are closed up, the free end of support bar 5 is fixed in lock slots 8, is passed Lever 4 is also drawn in simultaneously, thus drive link 4 and support bar 5 can only with the synchronous axial system of spanner extension rod 2, due to support bar 5 One end and the shell link of planetary reducer 6, therefore the now shell of spanner extension rod 2 and planetary reducer 6 Can only synchronous axial system, thus spanner extension rod 2 and sleeve 7 also can only synchronous axial systems.The now input of planetary reducer 6 Same with output end moment of torsion, the rotating speed of handle 1 is identical with the rotating speed of sleeve 7, now can quickly unclamp nut.

Embodiment 2

As shown in Figures 1 to 4, the telescopic spanner of a kind of torque-variable, the spanner include handle 1, spanner extension rod 2, sliding sleeve 3, Drive link 4, support bar 5, planetary reducer 6, sleeve 7 and lock slots 8；

Handle 1 is perpendicularly fixed on spanner extension rod 2, and spanner extension rod 2 is vertical with the geometric center of handle 1 to be fixed；Hand The shape of handle 1 can be circular or cylinder.

The power intake of planetary reducer 6 is fixed with spanner extension rod 2；Sleeve 7 and planetary reducer 6 Torque output is fixed, and planetary reducer 6 is connected with the inside of sleeve 7.

Sliding sleeve 3 is set in the outside of spanner extension rod 2, and sliding sleeve 3 can be along perpendicular to the power output direction of spanner extension rod 2 Reciprocatingly move；Sliding sleeve 3 move back and forth drive drive link 4 and support bar 5 is taken down the exhibits motion；Sliding sleeve 3 is provided with for locking The lock slots 8 for externally protruding out in sliding sleeve 3 of supporting mechanism；One end of support bar 5 is rotatably connected with torque output unit, its other end Vacantly, can support and be fixed on the projecting device of outside；One end of drive link 4 is rotatably connected with sliding sleeve 3, its other end with branch The body of rod clamping of strut 5, support bar 5 is provided with groove, and clamping in groove is stretched into one end that drive link 4 is connected with support bar 5.

Preferably, drive link and support bar are provided with 4 sets, planetary reducer selects general planetary reducer , the transmission ratios of the planetary reducer of selection are 1:40.

Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims

1. the telescopic spanner of torque-variable, it is characterised in that the spanner includes：

Power input block, based on external force, produces rotary power；

Support unit, for consolidating the torque output unit.

2. the telescopic spanner of torque-variable according to claim 1, it is characterised in that the power input block includes：Hand Handle (1) and fixed spanner extension rod (2) vertical with the handle (1), the spanner extension rod (2) and the torque output list Unit is fixed.

3. the telescopic spanner of torque-variable according to claim 2, it is characterised in that the spanner extension rod (2) with it is described The geometric center of handle (1) is vertically fixed.

4. the telescopic spanner of torque-variable according to claim 2, it is characterised in that the handle (1) is circular or cylinder Shape.

5. the telescopic spanner of torque-variable according to claim 1, it is characterised in that the torque output unit includes：OK Star gear reduction unit (6) and sleeve (7)；

The power intake of the planetary reducer (6) is fixed with power input block；

The sleeve (7) is fixed with the torque output of the planetary reducer (6).

6. the telescopic spanner of torque-variable according to claim 1, it is characterised in that the support unit includes：Skate machine Structure and supporting mechanism；

7. the telescopic spanner of torque-variable according to claim 6, it is characterised in that the slide mechanism includes：It is set in Sliding sleeve (3) on the power input block.

8. the telescopic spanner of torque-variable according to claim 7, it is characterised in that be further provided with the sliding sleeve (3) The lock slots (8) for externally protruding out in the sliding sleeve (3) for locking the supporting mechanism.

9. the telescopic spanner of torque-variable according to claim 6, it is characterised in that the supporting mechanism includes：Drive link And support bar (5) (4)；

One end of the drive link (4) is rotatably connected with slide mechanism, and its other end is rotatable with the body of rod of the support bar Connection；

One end of the support bar (5) is rotatably connected with torque output unit, and its other end is hanging.

10. a kind of tool box, it is characterised in that including multiple grooves position, at least one of groove position is for accommodating such as right It is required that the telescopic spanner of torque-variable described in 1.