CN203579486U - Mechanical wrench - Google Patents
Mechanical wrench Download PDFInfo
- Publication number
- CN203579486U CN203579486U CN201320829345.9U CN201320829345U CN203579486U CN 203579486 U CN203579486 U CN 203579486U CN 201320829345 U CN201320829345 U CN 201320829345U CN 203579486 U CN203579486 U CN 203579486U
- Authority
- CN
- China
- Prior art keywords
- driving end
- handle
- rotating shaft
- stationary gripping
- wrench
- 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 - Fee Related
Links
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000994 depressed Effects 0.000 claims description 6
- 230000036536 Cave Effects 0.000 claims description 3
- 235000019994 cava Nutrition 0.000 claims description 3
- 230000002708 enhancing Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
Abstract
The utility model discloses a mechanical wrench. The mechanical wrench comprises a wrench handle, a wrench head, a connecting revolving shaft, a fixed clamping portion, a movable clamping portion, a groove, a movable portion, a revolving shaft handle, a pressure spring, hydraulic cylinders, hydraulic rods and a rotating portion, wherein the wrench head is connected with the wrench handle through the connecting revolving shaft; the fixed clamping portion is arranged on one side of the top of the wrench head; the groove is positioned in the wrench head; the movable portion is arranged at the bottom of the movable clamping portion; one end of the revolving shaft handle is in threaded connection with the movable portion, and the other end of the revolving shaft handle extends to the side edge of the wrench head towards one side; the pressure spring is sleeved on the revolving shaft handle; the hydraulic cylinders are arranged on two side walls of the wrench handle; the rotating portion is coaxially connected with the connecting revolving shaft; the two ends of a pair of hydraulic rods are connected with the hydraulic cylinders and the rotating portion respectively; the pair of hydraulic rods comprises a clockwise hydraulic rod and an anticlockwise hydraulic rod. A nut can be clamped by using very small force, and can be loosened or tightened by driving the wrench head with the force of the hydraulic rods, thereby saving physical output, enhancing the nut fastening safety, and increasing the working efficiency.
Description
Technical field
The utility model relates to a kind of instrument, relates in particular to a kind of mechanical wrench.
Background technology
Spanner is used for tightening or relaxes bolt, nut, ratchet etc. and connects securing member, the spanner of prior art has a plurality of kinds such as ratchet spanner, double offset ring spanner, monkey wrench, but spanner needs hand-operated clamping in binding nut, by great strength very, finger skin easily galls, and also nut cannot be clamped completely, cause can not fully relaxing and tightening when operation, for security performance, require high equipment, as inapplicable on the parts of aircraft, boats and ships, automobile etc., use limitation large.
Utility model content
The purpose of this utility model: a kind of mechanical wrench is provided, can helps tightening nut fast and effectively, the power applying reduces greatly.
To achieve these goals, the technical solution of the utility model is:
A mechanical wrench, comprises spanner handle, driving end, connection rotating shaft, stationary gripping part, mobile clamping part, groove, moving part, rotating shaft handle, compression spring, pair of hydraulic cylinders, a pair of hydraulic stem and rotation section; Described spanner handle is provided with Anti-slip cover, described driving end is connected with one end of described spanner handle by described connection rotating shaft, the bottom of described driving end is semicircular structure, and the top of described driving end is rectangle structure, and described driving end rotates around described connection rotating shaft; Described stationary gripping part is arranged on top one side of described driving end, and described stationary gripping part and described driving end are integrative-structures; Described groove is positioned at described driving end, and described groove extends inward into the below of described stationary gripping part from one end of described driving end; Described moving part is arranged on the bottom of described mobile clamping part, and described moving part and described mobile clamping part are integrative-structures, described moving part and described groove sliding-contact; Described rotating shaft handle is provided with external screw thread, and one end of described rotating shaft handle is threaded with described moving part, is positioned at described groove, and the other end of described rotating shaft handle extends to the side of described driving end to a side; Described compression spring is enclosed within on described rotating shaft handle, is positioned at described groove; Described pair of hydraulic cylinders is separately positioned on the two side of described spanner handle, be positioned at the below of described driving end, described rotation section is coaxially connected with described connection rotating shaft, synchronize and rotate with described driving end in described rotation section, the two ends of described a pair of hydraulic stem connect respectively described hydraulic cylinder and rotation section; Described a pair of hydraulic stem comprises clockwise hydraulic stem and counterclockwise hydraulic stem.
Above-mentioned mechanical wrench, wherein, described stationary gripping part and the top of mobile clamping part are provided with extension, and described extension is vertical with described stationary gripping part and mobile clamping part.
Above-mentioned mechanical wrench, wherein, the portion that caves inward respectively on the described stationary gripping part madial wall relative with described mobile clamping part, described depressed part is triangular structure in obtuse angle.
Above-mentioned mechanical wrench, wherein, is respectively equipped with scuff-resistant coating on the described stationary gripping part madial wall relative with described mobile clamping part, correspondingly on described scuff-resistant coating is provided with the sunk structure suitable with described depressed part.
The utility model can be used very little power binding nut, and utilizes the power of hydraulic stem to drive driving end, reaches the effect of tightening nut, has saved a large amount of physical demands, has improved security and the operating efficiency of fastening nuts.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the utility model mechanical wrench.
Fig. 2 is the side view of the mobile clamping part of the utility model mechanical wrench.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.
Refer to shown in accompanying drawing 1 and accompanying drawing 2, a mechanical wrench, comprises spanner handle 1, driving end 2, connection rotating shaft 3, stationary gripping part 4, mobile clamping part 5, groove 6, moving part 7, rotating shaft handle 8, compression spring 9, pair of hydraulic cylinders 10, a pair of hydraulic stem 11 and rotation section 12; Described spanner handle 1 is provided with Anti-slip cover 13, described driving end 2 is connected with one end of described spanner handle 1 by described connection rotating shaft 3, the bottom of described driving end 2 is semicircular structures, the top of described driving end 2 is rectangle structures, and described driving end 2 rotates around described connection rotating shaft 3; Described stationary gripping part 4 is arranged on top one side of described driving end 2, and described stationary gripping part 4 is integrative-structures with described driving end 2; Described groove 6 is positioned at described driving end 2, and described groove 6 extends inward into the below of described stationary gripping part 4 from one end of described driving end 2; Described moving part 7 is arranged on the bottom of described mobile clamping part 5, and described moving part 7 is integrative-structures with described mobile clamping part 5, described moving part 7 and described groove 6 sliding-contacts; Described rotating shaft handle 8 is provided with external screw thread, one end of described rotating shaft handle 8 is threaded with described moving part 7, be positioned at described groove 6, the other end of described rotating shaft handle 8 extends to the side of described driving end 2 to a side, rotation by rotating shaft handle 8 makes firmly binding nut of mobile clamping part 5 and stationary gripping part 4, according to lever principle, the active force of countershaft handle 8 reduces greatly; Described compression spring 9 is enclosed within on described rotating shaft handle 8, is positioned at described groove 6; Described pair of hydraulic cylinders 10 is separately positioned on the two side of described spanner handle 1, be positioned at the below of described driving end 2, described rotation section 12 is coaxially connected with described connection rotating shaft 3, rotation is synchronizeed in described rotation section 12 with described driving end 2, the two ends of described a pair of hydraulic stem 11 connect respectively described hydraulic cylinder 10 and rotation section 12; Described a pair of hydraulic stem 11 comprises clockwise hydraulic stem and counterclockwise hydraulic stem, and hydraulic stem 11 drives rotation sections 12 to rotate, thereby control driving end 2, turns to clockwise and turns to counterclockwise.
Described stationary gripping part 4 and the top of mobile clamping part 5 are provided with extension 14, and described extension 14 is vertical with described stationary gripping part 4 and mobile clamping part 5, can rearward extend tightening and relaxing for the darker nut in position.
The portion 15 that caves inward respectively on described stationary gripping part 4 madial wall relative with described mobile clamping part 5, described depressed part is triangular structure in obtuse angle, can coincide with the outer wall concaveconvex structure of nut, better clamp nut.
On described stationary gripping part 4 madial wall relative with described mobile clamping part 5, be respectively equipped with scuff-resistant coating 16, correspondingly on described scuff-resistant coating 16 be provided with the sunk structure suitable with described depressed part 15.
In sum, the utility model can be used very little power binding nut, and utilizes the power of hydraulic stem to drive driving end, reaches the effect of tightening nut, has saved a large amount of physical demands, has improved security and the operating efficiency of fastening nuts.
Claims (4)
1. a mechanical wrench, is characterized in that: comprise spanner handle, driving end, connection rotating shaft, stationary gripping part, mobile clamping part, groove, moving part, rotating shaft handle, compression spring, pair of hydraulic cylinders, a pair of hydraulic stem and rotation section; Described spanner handle is provided with Anti-slip cover, described driving end is connected with one end of described spanner handle by described connection rotating shaft, the bottom of described driving end is semicircular structure, and the top of described driving end is rectangle structure, and described driving end rotates around described connection rotating shaft; Described stationary gripping part is arranged on top one side of described driving end, and described stationary gripping part and described driving end are integrative-structures; Described groove is positioned at described driving end, and described groove extends inward into the below of described stationary gripping part from one end of described driving end; Described moving part is arranged on the bottom of described mobile clamping part, and described moving part and described mobile clamping part are integrative-structures, described moving part and described groove sliding-contact; Described rotating shaft handle is provided with external screw thread, and one end of described rotating shaft handle is threaded with described moving part, is positioned at described groove, and the other end of described rotating shaft handle extends to the side of described driving end to a side; Described compression spring is enclosed within on described rotating shaft handle, is positioned at described groove; Described pair of hydraulic cylinders is separately positioned on the two side of described spanner handle, be positioned at the below of described driving end, described rotation section is coaxially connected with described connection rotating shaft, synchronize and rotate with described driving end in described rotation section, the two ends of described a pair of hydraulic stem connect respectively described hydraulic cylinder and rotation section; Described a pair of hydraulic stem comprises clockwise hydraulic stem and counterclockwise hydraulic stem.
2. mechanical wrench according to claim 1, is characterized in that: described stationary gripping part and the top of mobile clamping part are provided with extension, and described extension is vertical with described stationary gripping part and mobile clamping part.
3. mechanical wrench according to claim 1, is characterized in that: the portion that caves inward respectively on the described stationary gripping part madial wall relative with described mobile clamping part, described depressed part is triangular structure in obtuse angle.
4. mechanical wrench according to claim 1, is characterized in that: on the described stationary gripping part madial wall relative with described mobile clamping part, be respectively equipped with scuff-resistant coating, correspondingly on described scuff-resistant coating be provided with the sunk structure suitable with described depressed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320829345.9U CN203579486U (en) | 2013-12-10 | 2013-12-10 | Mechanical wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320829345.9U CN203579486U (en) | 2013-12-10 | 2013-12-10 | Mechanical wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203579486U true CN203579486U (en) | 2014-05-07 |
Family
ID=50577454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320829345.9U Expired - Fee Related CN203579486U (en) | 2013-12-10 | 2013-12-10 | Mechanical wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203579486U (en) |
-
2013
- 2013-12-10 CN CN201320829345.9U patent/CN203579486U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20141210 |
|
| EXPY | Termination of patent right or utility model |