CN203426918U - Spanner - Google Patents
Spanner Download PDFInfo
- Publication number
- CN203426918U CN203426918U CN201320463764.5U CN201320463764U CN203426918U CN 203426918 U CN203426918 U CN 203426918U CN 201320463764 U CN201320463764 U CN 201320463764U CN 203426918 U CN203426918 U CN 203426918U
- Authority
- CN
- China
- Prior art keywords
- drive device
- steering drive
- bevel gear
- bearing
- grip part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a spanner. The spanner comprises a gripping part, a direction-changing transmission assembly and an operating part, wherein the direction-changing transmission assembly comprises a rotary shaft, a first direction-changing transmission device and a second direction-changing transmission device matched with the first direction-changing transmission device, a handle is arranged at one end of the rotary shaft and is rotatably arranged on the gripping part, the first direction-changing transmission device is arranged on the rotary shaft, the operating part comprises a matching part and a mounting part which is detachably connected with the matching part, the matching part is used for being matched with an opening of a threaded fastener, the mounting part is arranged on the gripping part, and one end, far away from the matching part, of the mounting part is coaxial with the second direction-changing transmission device and is connected with the second direction-changing transmission device together. According to the spanner with such a structure, the direction of force transmission is changed through the direction-changing transmission devices, so that the threaded fastener can be conveniently dismounted and mounted in a small space, and the work efficiency is increased.
Description
Technical field
The utility model relates to hardware & tools technical field, particularly a kind of spanner.
Background technology
Spanner is a kind of conventional installation and removal instrument, generally comprise working end and handle, its principle is that working end is coordinated with the opening of nut, nut or other threaded fasteners of bolt, utilize lever principle along screw thread rotation direction, to apply external force on the handle of spanner, just can twist bolt, nut or other threaded fasteners.
In prior art, spanner is divided into two kinds substantially, inflexible hand and adjustable wrench.Solid wrench refers to the spanner that working end size is fixing, adjustable wrench refers to the spanner that working end size is adjustable, no matter solid wrench and adjustable wrench, in the course of the work, all needing that handle is applied to external force makes its rotation reach the object of twisting bolt or nut, this just makes existing spanner need certain working space, yet on some equipment, the installation position narrow space of threaded fastener, can not provide the working space needing to spanner, this makes troubles to staff's work fastening or that dismantle these threaded fasteners.
Therefore, how to provide a kind of spanner, can be convenient to, at small space dismounting threaded fastener, increase work efficiency, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of spanner, so that it is able to be convenient in small space dismounting threaded fastener, the object of increasing work efficiency.
For achieving the above object, the utility model provides following technical scheme:
, for dismounting threaded fastener, comprising:
Grip part;
Break-in transmission component, comprise rotating shaft, the first steering drive device and the second steering drive device coordinating with described the first steering drive device, described rotating shaft one end is provided with handle, and rotating being arranged on described grip part, and described the first steering drive device is arranged in described rotating shaft;
Operate portions, comprise auxiliary section and the installation portion removably connecting with described auxiliary section, described auxiliary section is for coordinating with the opening of described threaded fastener, described installation portion is arranged on described grip part, and its one end away from described auxiliary section is coaxial and link together with described the second steering drive device.
Preferably, described grip part is cylindric, and described rotating shaft is coaxial with described grip part.
Preferably, two ends, described grip part are respectively arranged with clutch shaft bearing and the second bearing, and the outer ring of described clutch shaft bearing and the second bearing all coordinates with the inwall of described grip part, and inner ring all coordinates with described rotating shaft.
Preferably, described the first steering drive device is the first bevel gear, and described the second steering drive device is the second bevel gear meshing with described the first bevel gear.
Preferably, the axial angle of cut ∑ of described the first bevel gear and described the second bevel gear meets 180 ° of 0 ° of < ∑ <.
Preferably, the axial angle of cut ∑ of described the first bevel gear and described the second bevel gear is 90 °.
Preferably, described the first bevel gear is identical with the parameter of described the second bevel gear.
Preferably, described the first steering drive device is worm screw, and described the second steering drive device is the worm gear coordinating with described worm screw.
Preferably, described installation portion comprises the 3rd bearing and connector, the outer ring of described the 3rd bearing coordinates with described grip part, inner ring coordinates with described connector, one end away from described the 3rd bearing on described connector is connected on described the second steering drive device, and described auxiliary section is dismountable to be arranged on the inner ring of described the 3rd bearing.
Preferably, the inner ring of described auxiliary section and described the 3rd bearing is for being clasped.
From technique scheme, can find out, the spanner that the utility model provides, comprise grip part, break-in transmission component and operate portions, wherein, break-in transmission component comprises rotating shaft, the first steering drive device and the second steering drive device coordinating with the first steering drive device, rotating shaft one end is provided with handle, and rotating being arranged on grip part, the first steering drive device is arranged in rotating shaft, operate portions comprises the installation portion that He Yu auxiliary section, auxiliary section removably connects, auxiliary section is for coordinating with the opening of threaded fastener, installation portion is arranged on grip part, and its one end away from auxiliary section is coaxial and link together with the second steering drive device, this structure, by steering drive device, change the direction of transfer of power, can be convenient to dismounting threaded fastener in small space, improved operating efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the spanner that Fig. 1 provides for the utility model embodiment.
The specific embodiment
The utility model provides a kind of spanner, so that it is able to be convenient in small space dismounting threaded fastener, the object of increasing work efficiency.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the structural representation of the spanner that Fig. 1 provides for the utility model embodiment.
A kind of spanner that the utility model provides, for dismounting threaded fastener, comprises grip part 1, break-in transmission component 2 and operate portions 3.
The housing parts that grip part 1 is spanner, mainly plays the effect of supporting and protecting miscellaneous part; Break-in transmission component 2 comprises rotating shaft 21, the first steering drive device 22 and the second steering drive device 23, wherein, the first steering drive device 22 coordinates with the second steering drive device 23, one end of rotating shaft 21 is provided with handle, and rotating being arranged on grip part 1, the first steering drive device 22 is arranged in rotating shaft 21, with rotating shaft 21, rotates; Operate portions 3 comprises auxiliary section 31 and installation portion 32, auxiliary section 31 removably connects with installation portion 32, auxiliary section 31 is for coordinating with the opening of threaded fastener, and installation portion 32 is arranged on grip part 1, and its one end away from auxiliary section 31 is coaxial and link together with the second steering drive device 23.
Compared with prior art, the spanner that the utility model provides, the motion that existing spanner is rotated around threaded fastener when working, by break-in transmission component 2, become the rotation of rotating shaft 21, reduced the requirement of spanner to the space of operating position, be convenient to dismounting threaded fastener in small space, improved operating efficiency.
The structure of grip part 1 can have various ways, in a kind of embodiment of the utility model, and the cylinder-like structure that grip part 1 has adopted convenient operation person to grip, rotating shaft 21 is coaxial with grip part 1 cylindraceous, the grip part 1 of this structure is simple in structure, just with making, and can bear larger strength.
Because rotating shaft 21 need to be rotated with respect to grip part 1 in the course of the work, in order to reduce friction, save operator's muscle power simultaneously, in a kind of embodiment of the utility model, in grip part, 1 two ends are respectively arranged with clutch shaft bearing and the second bearing, the inwall of the Jun Yu grip part, outer ring 1 of clutch shaft bearing and the second bearing coordinates, inner ring all coordinates with rotating shaft 21, by this design, reduced rotating shaft 21 in rotation process with the friction of grip part 1, reduce the loss of spanner material, saved operator's muscle power simultaneously.
The mechanism that can realize break-in transmission has a variety of, in a kind of embodiment of the utility model, the first steering drive device 22 is the first bevel gear, the second steering drive device 23 is the second bevel gear meshing with the first bevel gear, utilize bevel gear simple in structure as steering drive device, be convenient to manufacture, cost is lower.Preferably, the first bevel gear and the second bevel gear are made by plastic material, and plastics bevel gear has the advantages such as lightweight, cost is low, noise is little, can alleviate the weight of the spanner that a kind of embodiment of the utility model provides, convenient operation person uses, and cost is low, is convenient to change.
While using bevel gear to do break-in transmission, its break-in angle is determined by the axial angle of cut ∑ of two bevel gears, can be according to different working conditions, the axial angle of cut ∑ of two bevel gears is designed to different sizes, in a kind of embodiment of the utility model, axially angle of cut ∑ meets 180 ° of 0 ° of < ∑ <.Preferably, the axial angle of cut ∑ of two bevel gears is 90 °, and corresponding, the break-in angle of the steering drive device being comprised of them is 90 °.
In a kind of embodiment of the utility model, the first bevel gear is all identical with the dimensional parameters of the second bevel gear, its gearratio is 1:1, can certainly adopt two different bevel gears of dimensional parameters to complete break-in transmission, such as, the large end tooth outside diameter circle of the first bevel gear is less than the large end tooth outside diameter circle of the second bevel gear, according to from lever principle, this structure can make operator more laborsaving, reduces operator's labour intensity.
Certainly, break-in transmission also can be realized by other structures, and in the another kind of embodiment of the utility model, the first steering drive device 22 is worm screw, the second steering drive device 23 is the worm gear coordinating with worm screw, and Worm Wheel System has stable drive, feature that noise is little.
In the utility model embodiment, the effect of installation portion 32 is mainly that auxiliary section 31 and the second steering drive device 23 are coupled together, and the object that auxiliary section 31 can be rotated with respect to grip part 1, therefore, in the utility model embodiment, installation portion 32 comprises the 3rd bearing and connector, the outer ring of the 3rd bearing coordinates with grip part 1, inner ring coordinates with connector, one end away from the 3rd bearing on connector is connected on the second deviator, auxiliary section 31 is dismountable to be connected on the inner ring of the 3rd bearing, the 3rd bearing has reduced the frictional force of installation portion 32 when driving auxiliary section 31 to rotate and between grip part 1, reduced the loss of material.
For the ease of the dismounting of auxiliary section 31, in the utility model embodiment, the inner ring of auxiliary section 31 and the 3rd bearing is bayonet fittings.
The structure of auxiliary section 31 can become various structures according to the different designs of threaded fastener, such as the interior hexagonal structure coordinating with hex bolts, hexagonal structure of coordinating with soket head cap screw etc., can also make a set of to change at any time according to different threaded fasteners according to conventional size.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a spanner, for dismounting threaded fastener, is characterized in that, comprising:
Grip part (1);
Break-in transmission component (2), comprise rotating shaft (21), the first steering drive device (22) and the second steering drive device (23) coordinating with described the first steering drive device (22), described rotating shaft (21) one end is provided with handle, and rotating being arranged on described grip part (1), described the first steering drive device (22) is arranged in described rotating shaft (21);
Operate portions (3), comprise auxiliary section (31) and the installation portion (32) removably connecting with described auxiliary section (31), described auxiliary section (31) is for coordinating with the opening of described threaded fastener, it is upper that described installation portion (32) is arranged on described grip part (1), and its one end away from described auxiliary section (31) is coaxial and link together with described the second steering drive device (23).
2. spanner according to claim 1, is characterized in that, described grip part (1) is cylindric, and described rotating shaft (21) is coaxial with described grip part (1).
3. spanner according to claim 2, it is characterized in that, two ends, described grip part (1) are respectively arranged with clutch shaft bearing and the second bearing, and the outer ring of described clutch shaft bearing and the second bearing all coordinates with the inwall of described grip part (1), and inner ring all coordinates with described rotating shaft (21).
4. spanner according to claim 1, is characterized in that, described the first steering drive device (22) is the first bevel gear, and described the second steering drive device (23) is the second bevel gear meshing with described the first bevel gear.
5. spanner according to claim 4, is characterized in that, the axial angle of cut ∑ of described the first bevel gear and described the second bevel gear meets 180 ° of 0 ° of < ∑ <.
6. spanner according to claim 5, is characterized in that, the axial angle of cut ∑ of described the first bevel gear and described the second bevel gear is 90 °.
7. spanner according to claim 4, is characterized in that, described the first bevel gear is identical with the parameter of described the second bevel gear.
8. spanner according to claim 1, is characterized in that, described the first steering drive device (22) is worm screw, and described the second steering drive device (23) is the worm gear coordinating with described worm screw.
9. spanner according to claim 1, it is characterized in that, described installation portion (32) comprises the 3rd bearing and connector, the outer ring of described the 3rd bearing coordinates with described grip part (1), inner ring coordinates with described connector, on described connector, away from one end of described the 3rd bearing, be connected to described the second steering drive device (23) upper, described auxiliary section (31) dismountable to be arranged on the inner ring of described the 3rd bearing.
10. spanner according to claim 9, is characterized in that, the inner ring of described auxiliary section (31) and described the 3rd bearing is for being clasped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463764.5U CN203426918U (en) | 2013-07-31 | 2013-07-31 | Spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463764.5U CN203426918U (en) | 2013-07-31 | 2013-07-31 | Spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203426918U true CN203426918U (en) | 2014-02-12 |
Family
ID=50055978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320463764.5U Expired - Lifetime CN203426918U (en) | 2013-07-31 | 2013-07-31 | Spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203426918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139362A (en) * | 2014-07-16 | 2014-11-12 | 珠海格力电器股份有限公司 | Quick detaching and installing device |
| CN111347370A (en) * | 2020-03-24 | 2020-06-30 | 朔黄铁路发展有限责任公司 | Sleeve assembly with limited space |
-
2013
- 2013-07-31 CN CN201320463764.5U patent/CN203426918U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139362A (en) * | 2014-07-16 | 2014-11-12 | 珠海格力电器股份有限公司 | Quick detaching and installing device |
| CN111347370A (en) * | 2020-03-24 | 2020-06-30 | 朔黄铁路发展有限责任公司 | Sleeve assembly with limited space |
| CN111347370B (en) * | 2020-03-24 | 2021-11-05 | 朔黄铁路发展有限责任公司 | Sleeve assembly with limited space |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
|
| CX01 | Expiry of patent term |