CN205415470U - Electric torque wrench - Google Patents
Electric torque wrench Download PDFInfo
- Publication number
- CN205415470U CN205415470U CN201620215722.3U CN201620215722U CN205415470U CN 205415470 U CN205415470 U CN 205415470U CN 201620215722 U CN201620215722 U CN 201620215722U CN 205415470 U CN205415470 U CN 205415470U
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- arm
- torque wrench
- electric torque
- sleeve
- main force
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Abstract
The utility model discloses an electric torque wrench, the counter -force arm include main force's arm and second sleeve, the second muffjoint in main force's arm. The utility model discloses an electric torque wrench can change the second sleeve of different grade type or pass through the position of adjustment second sleeve on main force's arm according to bolt (mother's) type, finds suitable bolt (mother) as the strong point, in addition, through the working head that has extended, realize the work to the bolt (mother) of work piece deep recess department, with through increasing the second handle, reduce staff's the work degree of difficulty and tired degree.
Description
Technical field
This utility model belongs to electric tool technical field, is specifically related to a kind of Electric torque wrench.
Background technology
Electric torque wrench is generally used for bolt (female) dismounting torque ratio is relatively big and torque precision requires the highest place.The Electric torque wrench of prior art has electric current speed type and dynamic torque sensor formula.Electric current speed type Electric torque wrench judges torque value according to current value and the rotation speed change of motor work in bolt rundown process, and when reaching predetermined value, motor quits work.Dynamic torque sensor formula Electric torque wrench is to be provided with torque sensor on spanner output shaft, and the change of detection torque value, when reaching predetermined moment of torsion, motor quits work.
Existing Electric torque wrench mainly includes the mechanical part being made up of sleeve 1, counter-force arm 2, reduction box 3 and the axle of inside, gear etc., with the electro-mechanical parts being made up of body 4, handle 5, switch 6, cable cover(ing) 7 and driving motor 8 etc., and the electronic intelligence part being made up of intelligent controller 9, as shown in Figure 1.When Electric torque wrench works, sleeve 1 entangles the bolt (female) 20 of palpus degree of tightness, counter-force arm 2 is supported on the bolt (female) adjoined, Push switch 6 drives electric machine rotation, sleeve 1 is made to rotate by the direction of arrow of Fig. 2 by the transmission of mechanical part, and under the counter-force arm 2 effect with the strong point, it is achieved the degree of tightness to bolt (female) 20.
But existing Electric torque wrench is in actual use, it is primarily present following defect: one, when the bolt (female) 20 of needs fastening or degree of tightness is in the inside of workpiece 19, counter-force arm just cannot stretch into and find the strong point, structure as shown in Figure 3 to realize inside workpiece 19；Two, when the depths needing fastening or the bolt (female) of degree of tightness at workpiece, owing to the length of the head that works is the shortest, sleeve just cannot touch bolt (female), and structure as shown in Figure 4 is also difficulty with；Three, the general only one of which of the handle of existing Electric torque wrench, when staff carries out horizontal direction operation, owing to the weight of Electric torque wrench is concentrated mainly on mechanical part (mechanical part that powerful electric torque is pulled is at more than 10Kg), so thus easily causing work difficulty and the fatigue of staff.
Summary of the invention
This utility model provides a kind of Electric torque wrench, to solve drawbacks described above of the prior art.
The technical solution of the utility model is as follows:
A kind of Electric torque wrench, including counter-force arm, described counter-force arm includes main force's arm and the second sleeve, and the second described sleeve connection is in described main force's arm.
The most preferably, the second described sleeve is fixedly connected on described main force's arm.
The most preferably, what the second described sleeve was detachable is connected to described main force's arm.
The most preferably, described counter-force arm also includes pin and cushion rubber, described main force's arm is provided with the first pin hole, corresponding with the first pin hole of described main force's arm on the second described sleeve it is provided with the second pin hole, the second described sleeve is by the main force's arm described in described pin, the first pin hole and the dismountable connection of the second pin hole, and described cushion rubber is enclosed within the first described pin hole and the second pin hole.
The most preferably, described counter-force arm also includes screw and anti-loosing screw, described main force's arm is linear, described main force's arm is provided with screw lock plane and anti-loosing screw hole, corresponding with the screw lock plane of described main force's arm on the second described sleeve being provided with screw hole, the second described sleeve is by the main force's arm described in described screw, screw lock plane and screw hole, the dismountable connection of described anti-loosing screw and anti-loosing screw hole.
The most preferably, described Electric torque wrench also includes that work head, described work head are extended type.
The most preferably, the length of described work head is equal to the twice more than described work head diameter.
The most preferably, described Electric torque wrench also includes second handle.
The most preferably, described Electric torque wrench also includes that each rotating shaft, described each rotating shaft are parallel type attachment structure.
Compared with prior art, the beneficial effects of the utility model are as follows:
The counter-force arm of the oneth, a kind of Electric torque wrench of the present utility model includes that the second sleeve, the second described sleeve can extend into inside workpiece, and suitable bolt (female) can be found as the strong point；
The counter-force arm of the 2nd, a kind of Electric torque wrench of the present utility model includes the second sleeve, and the second described sleeve can be changed different types of second sleeve according to the type of bolt (female), find the suitable strong point；
3rd. the counter-force arm of a kind of Electric torque wrench of the present utility model includes the second sleeve, the second described sleeve is when carrying out operation to two bolts (female) of different centre-to-centre spacing, suitable bolt (female) can be found as the strong point by adjusting second sleeve position on main force's arm；
4th. a kind of Electric torque wrench of the present utility model, by increasing work head, it is achieved the work of the bolt (female) of recess deep to workpiece；With by increasing second handle, reduce work difficulty and the fatigue strength of staff.
Certainly, implement arbitrary product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing Electric torque wrench；
Fig. 2 is the operating diagram of existing Electric torque wrench；
Fig. 3 is an operating diagram of existing Electric torque wrench；
Fig. 4 is another operating diagram of existing Electric torque wrench；
Fig. 5 is the structural representation of a kind of Electric torque wrench of this utility model embodiment；
Fig. 6 is an operating diagram of a kind of Electric torque wrench of this utility model embodiment；
Fig. 7 is another operating diagram of a kind of Electric torque wrench of this utility model embodiment；
Fig. 8 is a structural representation of the counter-force arm of a kind of Electric torque wrench of this utility model embodiment；
Fig. 9 is another structural representation of the counter-force arm of a kind of Electric torque wrench of this utility model embodiment.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this utility model, rather than limit protection domain of the present utility model.Those skilled in the art make according to this utility model in actual applications improvement and adjustment, still fall within protection domain of the present utility model.
In order to better illustrate this utility model, below with accompanying drawing, this utility model is described in detail.
Below with specific embodiment, this utility model is further described.
Embodiment
A kind of Electric torque wrench as described in Fig. 5, Fig. 6 and Fig. 7, including counter-force arm 2, described counter-force arm 2 includes main force's arm 10 and the second sleeve 11, the second described sleeve 11 is fixedly connected on described main force's arm 10, the second described sleeve 11 can extend into inside workpiece 19, suitable bolt (female) 20 can be found as the strong point, be particularly suitable for inboard steel ring such as the tire to car, minibus, motor bus, lorry etc. and the connection of wheel hub.
Described Electric torque wrench also includes work 12, the length of generally conventional work head is less than the twice of work head diameter, and the length of the work 12 of the present embodiment is equal to the twice more than described work 12 diameter, the bolt (female) 20 of recess deep to workpiece 19 ' also can easily operation, and will not collide with workpiece 19 ' port and hinder operation, it is particularly well-suited to the trailing wheel of motor bus, lorry etc..
Described Electric torque wrench also includes each rotating shaft, and described each rotating shaft (not indicating in figure) is parallel type attachment structure, can change existing Electric torque wrench " L " type into " one " font；Described Electric torque wrench also includes second handle 13, second handle 13 position is set such as shown in Fig. 5 and Fig. 6, length along electric wrench is arranged on medium position, therefore the Electric torque wrench of the present embodiment can be with two-handed hand-held, work is easily, the degree of tightness of ground bolt (female) 20 need not be squatted down operation, can both hands easy manipulation to leveling screw (female) 20, the bolt (female) 20 faced upward also can be obtained the most higher operation height simultaneously, meet human engineering mechanics and actual using value, its outward appearance have also been made Beautification design, the most also there is smooth beautiful sensation.
nullAs shown in Figure 8 be another specific embodiment of the present utility model，What the second described sleeve 11 was detachable is connected to described main force's arm 10，Described counter-force arm 2 also includes pin 14 and cushion rubber 16，Described main force's arm 10 is provided with the first pin hole 15，Corresponding with the first pin hole 15 of described main force's arm 10 on the second described sleeve 11 it is provided with the second pin hole 23，On described main force's arm 10, the junction with the second described sleeve 11 is provided with a projection，The first described pin hole 15 is arranged on described projection，The second described sleeve 11 be arranged above with an annulus，The second described pin hole 23 is arranged on described annulus，The second described sleeve 11 is by described pin 14、Main force's arm 10 described in first pin hole 15 and the second dismountable connection of pin hole 23，Described cushion rubber 16 is enclosed within the second described pin hole 23，When Electric torque wrench operation runs into the bolt (female) 20 of different specification size，Can be by the cushion rubber 16 that slides axially to exposing pin 14，Then pull out pin 14，Change the second sleeve 11 of required size，And reinsert locking pin nail 14，Finally reset cushion rubber 16 can enter operation.
nullAs shown in Figure 9 be still another embodiment of the present utility model，Described counter-force arm 2 also includes screw 17 and anti-loosing screw 18，Described main force's arm 10 is linear，And with described second sleeve 11 in orthogonal setting，Described main force's arm 10 is provided with screw lock plane 21 and anti-loosing screw hole 22，Described screw lock plane 21 arranges the side of described main force's arm 10，Described anti-loosing screw hole 22 arranges the afterbody of described main force's arm 10，Corresponding with the screw lock plane 21 of described main force's arm 10 on the second described sleeve 11 it is provided with screw hole 24，The second described sleeve 11 is by described screw 17、Main force's arm 10 described in screw lock plane 21 and the dismountable connection of screw hole 24，And by described anti-loosing screw 18 and anti-loosing screw hole 22, the second described sleeve 11 is fastened on described main force's arm 10，Prevent coming off of the second sleeve 11.Realize the second described sleeve 11 by the screw hole 2 of screw 17, the screw lock plane 21 of described main force's arm 10 and the second described sleeve 11 to slide on described main force's arm 10, with the second sleeve 11 described in adjustment in the position of described main force's arm 10.When Electric torque wrench operation runs into two bolts (female) 20 of different centre-to-centre spacing, second sleeve 11 position on main force's arm 10 can be adjusted by only unclamping screw 17, thus find suitable bolt (female) 20 as the strong point；When needing the second sleeve 11 described in replacing, the second described sleeve 11 can be replaced by unclamping described anti-loosing screw 18, in order to find the second described sleeve 11 of applicable bolt (female) 20 size.Those skilled in the art are according to actual needs, screw lock plane 21 can be provided with on the diverse location of described main force's arm 10, two sides or the top and bottom of described main force's arm 10 specifically can be set, slide on described main force's arm 10 with the second sleeve 11 described in realizing, the position of the second sleeve 11 described in adjustment.
As the tightening of bolt (female), conventional replacement hand-operated tools has adjustable wrench, fork spanner, double offset ring spanner, box spanner, torque spanner etc.；Electronic class has impact wrench, constant torque wrench；Pneumatic class have pneumatic impact spanner (wind big gun).
The spanner of existing moment of torsion function is few, in general maintenance and other operation, the hidden danger not using spacing wrench operated to be brought is aobvious and visible, two or more bolt such as group's cloth, owing to clamp force differs, may be operationally 50% so that less bolt work, its result can no good cake；Bolt (female) is caused to damage with easily causing excessive tightening；It is also easy to bad results such as causing that nut loosening comes off when owing tight simultaneously.
This utility model preferred embodiment disclosed above is only intended to help to illustrate this utility model.Preferred embodiment does not has all of details of detailed descriptionthe, is not intended to the detailed description of the invention that this utility model is only described yet.Obviously, according to the content of this specification, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain principle of the present utility model and actual application, so that skilled artisan can be best understood by and utilize this utility model.This utility model is only limited by claims and four corner thereof and equivalent.
Claims (9)
1. an Electric torque wrench, including counter-force arm, it is characterised in that described counter-force arm includes main force's arm and the second sleeve, and the second described sleeve connection is in described main force's arm.
Electric torque wrench the most according to claim 1, it is characterised in that the second described sleeve is fixedly connected on described main force's arm.
Electric torque wrench the most according to claim 1, it is characterised in that what the second described sleeve was detachable is connected to described main force's arm.
4. according to the Electric torque wrench described in claim 1 or 3, it is characterized in that, described counter-force arm also includes pin and cushion rubber, described main force's arm is provided with the first pin hole, corresponding with the first pin hole of described main force's arm on the second described sleeve it is provided with the second pin hole, the second described sleeve is by the main force's arm described in described pin, the first pin hole and the dismountable connection of the second pin hole, and described cushion rubber is enclosed within the first described pin hole and the second pin hole.
5. according to the Electric torque wrench described in claim 1 or 3, it is characterized in that, described counter-force arm also includes screw and anti-loosing screw, described main force's arm is linear, described main force's arm is provided with screw lock plane and anti-loosing screw hole, corresponding with the screw lock plane of described main force's arm on the second described sleeve being provided with screw hole, the second described sleeve is by the main force's arm described in described screw, screw lock plane and screw hole, the dismountable connection of described anti-loosing screw and anti-loosing screw hole.
6. according to the Electric torque wrench described in any one of claim 1 ~ 3, it is characterised in that described Electric torque wrench also includes that work head, described work head are extended type.
Electric torque wrench the most according to claim 6, it is characterised in that the length of described work head is more than or equal to the twice of described work head diameter.
8. according to the Electric torque wrench described in any one of claim 1 ~ 3, it is characterised in that described Electric torque wrench also includes second handle.
9. according to the Electric torque wrench described in any one of claim 1 ~ 3, it is characterised in that described Electric torque wrench also includes that each rotating shaft, described each rotating shaft are parallel type attachment structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620215722.3U CN205415470U (en) | 2016-03-21 | 2016-03-21 | Electric torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620215722.3U CN205415470U (en) | 2016-03-21 | 2016-03-21 | Electric torque wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205415470U true CN205415470U (en) | 2016-08-03 |
Family
ID=56520614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620215722.3U Active CN205415470U (en) | 2016-03-21 | 2016-03-21 | Electric torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205415470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568772A (en) * | 2017-03-09 | 2018-09-25 | 约尔格·霍曼 | Component including the supporting support and power thread driver that make counter torque steering |
| CN108621071A (en) * | 2018-03-28 | 2018-10-09 | 宁波海天精工股份有限公司 | Clamp nut automatic fastening method based on Electric torque wrench |
-
2016
- 2016-03-21 CN CN201620215722.3U patent/CN205415470U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568772A (en) * | 2017-03-09 | 2018-09-25 | 约尔格·霍曼 | Component including the supporting support and power thread driver that make counter torque steering |
| CN108568772B (en) * | 2017-03-09 | 2021-07-30 | 约尔格·霍曼 | Assembly comprising a support bracket for steering a counteracting torque and a powered screw drive |
| CN108621071A (en) * | 2018-03-28 | 2018-10-09 | 宁波海天精工股份有限公司 | Clamp nut automatic fastening method based on Electric torque wrench |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |