CN203988463U - A kind of torque wrench - Google Patents
A kind of torque wrench Download PDFInfo
- Publication number
- CN203988463U CN203988463U CN201420227382.7U CN201420227382U CN203988463U CN 203988463 U CN203988463 U CN 203988463U CN 201420227382 U CN201420227382 U CN 201420227382U CN 203988463 U CN203988463 U CN 203988463U
- Authority
- CN
- China
- Prior art keywords
- hole
- width
- torque wrench
- instruction unit
- tough portion
- 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.)
- Withdrawn - After Issue
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
This utility model relates to a kind of torque wrench, comprises body, is arranged at the open slot on described body, and described open slot is arranged at one end of described body; On described body, be provided with the U-shaped gap of running through described body, in described body, be also provided with to described gap and extend the instruction unit of protruding.The beneficial effects of the utility model are: simple in structure, easy to use, solve existing medical torque wrench complex structure, technical problem that cost is high.
Description
Technical field
This utility model relates to spanner, relates in particular to a kind of torque wrench.
Background technology
Ultrasonic medical equipment comprises ultrasonic scaling machine, piezosurgery osteotomy machine etc., and the operation tip by supersonic vibration contacts with work surface, realizes physical method and removes dental surface spot, tartar or the specific function such as deep.Operation tip is arranged on the handle of ultrasonic medical equipment by screw thread (female thread or external screw thread), and the rear portion of operation tip is generally cylinder, and on cylinder, offers spanner position, and instrument easy to use screws installation.In order to be suitable for different functional requirements, simultaneously also for the demand of health, often operation tip need to be disassembled from handle, replace or sterilize, as shown in Figure 1, it does not have the effect of limiter to common handling spanner, easily causes screw thread damaged when use procedure dynamics is excessive.In order to guarantee user, in use loading and unloading is sharp effectively, avoid the screw thread on operation tip or handle damaged in cargo handling process, screw installation process and conventionally need to use torque wrench, the dynamics of loading and unloading point is carried out rationally and effectively controlling, but existing torque wrench complex structure, cost are higher, as the Chinese patent of patent No. 200820300544.X.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of torque wrench, and the existing spanner without limiter effect is improved, and increases the effect of spanner limiter, easily causes the impaired technical problem of screw thread while avoiding use procedure dynamics excessive.
The technical scheme that this utility model solves the problems of the technologies described above is as follows: a kind of torque wrench, and comprise body, be arranged at the open slot on described body, described open slot is arranged at one end of described body; On described body, be provided with the U-shaped gap of running through described body, in described body, be also provided with to described gap and extend the instruction unit of protruding.
The beneficial effects of the utility model are: simple in structure, easy to use, solve existing medical torque wrench complex structure, technical problem that cost is high.
Further: described instruction unit and body are divided into five through holes that are communicated with successively by described gap, and five described through holes are respectively the first through hole, the second through hole, third through-hole, fourth hole, transition through hole; Described the first through hole is arranged at the one end in described gap, and described the second through hole is arranged at the other end in described gap, and described transition through hole is arranged between described the first through hole and described the second through hole; Described third through-hole is arranged between described the first through hole and described transition through hole, and described fourth hole is arranged between described the second through hole and described transition through hole; Described the first through hole, the second through hole are positioned at the both sides of described instruction unit and are positioned at the upper end of described instruction unit; Described third through-hole, fourth hole are positioned at the both sides of described instruction unit and are positioned at the lower end of described instruction unit; The width of described third through-hole is not equal to the width of described fourth hole.
Further: the width of described third through-hole is 0.1 millimeter, the width of described fourth hole is 0.5 millimeter.
Further: the lateral wall of described the first through hole and the side of described body form the first tough portion of a rectangle; Another side of the lateral wall of described the second through hole and described body forms the second tough portion of a rectangle; The width of described the first tough portion equals the width of described the second tough portion; The length of described the first tough portion equals the length of described the second tough portion.
Further: the width of described the first tough portion is 0.5 millimeter, the width of described the second tough portion is 0.5 millimeter.
Further: the length of described the first tough portion is 5 millimeters, the length of described the second tough portion is 5 millimeters.
Further: the thickness of described body is 2 millimeters.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is partial enlarged view of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining this utility model, is not intended to limit scope of the present utility model.
As shown in Figure 2 and Figure 3, a kind of torque wrench, comprises body 1 (preferably: the thickness of described body 1 is 2 millimeters), also comprises the open slot 2 (for blocking nut or the nut of screw) being arranged on described body 1; Described open slot 2 is arranged at one end of described body 1; On described body 1, be provided with the U-shaped gap 3 of running through described body 1, in described body 1, be also provided with to described gap 3 and extend the instruction unit 4 of protruding.
Described instruction unit 4 and body 1 are divided into five through holes that are communicated with successively by described gap 3, and five described through holes are respectively the first through hole 3.1, the second through hole 3.2, third through-hole 3.3, fourth hole 3.4, transition through hole 3.5; Described the first through hole 3.1 is arranged at the one end in described gap 3, and described the second through hole 3.2 is arranged at the other end in described gap 3, and described transition through hole 3.5 is arranged between described the first through hole 3.1 and described the second through hole 3.2; Described third through-hole 3.3 is arranged between described the first through hole 3.1 and described transition through hole 3.5, and described fourth hole 3.4 is arranged between described the second through hole 3.2 and described transition through hole 3.5; Described the first through hole 3.1, the second through hole 3.2 are positioned at the both sides of described instruction unit 4 and are positioned at the upper end of described instruction unit 4; Described third through-hole 3.3, fourth hole 3.4 are positioned at the both sides of described instruction unit 4 and are positioned at the lower end of described instruction unit 4; The width of described third through-hole 3.3 is not equal to the width of described fourth hole 3.4, preferably: the width of described third through-hole 3.3 is 0.1 millimeter, and the width of described fourth hole 3.4 is 0.5 millimeter.
The side of the lateral wall of described the first through hole 3.1 and described body 1 forms the first tough portion 5.1 of a rectangle; Another side of the lateral wall of described the second through hole 3.2 and described body 1 forms the second tough portion 5.2 of a rectangle; The width of described the first tough portion 5.1 equals the width of described the second tough portion 5.2; The length of described the first tough portion 5.1 equals the length of described the second tough portion 5.2.Preferred: the width of described the first tough portion 5.1 is 0.5 millimeter, the width of described the second tough portion 5.2 is 0.5 millimeter.Preferred: the length of described the first tough portion 5.1 is 5 millimeters, the length of described the second tough portion 5.2 is 5 millimeters.
When tightening screw clockwise, open slot 2 is stressed, in the first tough portion 5.1, the second tough portion 5.2 is stressed, the width of third through-hole 3.3 of the lower end of instruction unit 4 is broadened, the narrowed width of fourth hole 3.4, by observing the size of width, can judge the degree of screw or bolt tightening, avoided like this screw thread damaged, when back-outing screw counterclockwise, open slot 2 is stressed, in the first tough portion 5.1, the second tough portion 5.2 is stressed, make the narrowed width of third through-hole 3.3 of the lower end of instruction unit 4, the width of fourth hole 3.4 broadens, clockwise moving change width is slower than counterclockwise moving change width.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a torque wrench, comprises body (1), is arranged at the open slot (2) on described body (1), and described open slot (2) is arranged at one end of described body (1); It is characterized in that: on described body (1), be provided with the U-shaped gap (3) of running through described body (1), in described body (1), be also provided with to described gap (3) and extend the instruction unit (4) of protruding.
2. a kind of torque wrench according to claim 1, it is characterized in that: described instruction unit (4) and body (1) are divided into five through holes that are communicated with successively by described gap (3), and five described through holes are respectively the first through hole (3.1), third through-hole (3.3), transition through hole (3.5), fourth hole (3.4), the second through hole (3.2); Described the first through hole (3.1) is arranged at the one end in described U-shaped gap (3), described the second through hole (3.2) is arranged at the other end in described U-shaped gap (3), and described transition through hole (3.5) is arranged at the arc sections in described U-shaped gap (3); Described third through-hole (3.3) is arranged between described the first through hole (3.1) and described transition through hole (3.5), and described fourth hole (3.4) is arranged between described the second through hole (3.2) and described transition through hole (3.5); Described the first through hole (3.1), the second through hole (3.2) are positioned at the both sides of described instruction unit (4) and the upper end of close described instruction unit (4); Described third through-hole (3.3), fourth hole (3.4) are positioned at the both sides of described instruction unit (4) and the lower end of close described instruction unit (4), and described transition through hole (3.5) is positioned at the bottom of described instruction unit (4); The width of described third through-hole (3.3) is not equal to the width of described fourth hole (3.4).
3. a kind of torque wrench according to claim 2, is characterized in that: the width of described third through-hole (3.3) is 0.1 millimeter, and the width of described fourth hole (3.4) is 0.5 millimeter.
4. according to the arbitrary described a kind of torque wrench of claim 2 or 3, it is characterized in that: the side of the lateral wall of described the first through hole (3.1) and described body (1) forms the first tough portion (5.1) of a rectangle; Another side of the lateral wall of described the second through hole (3.2) and described body (1) forms the second tough portion (5.2) of a rectangle; The width of described the first tough portion (5.1) equals the width of described the second tough portion (5.2); The length of described the first tough portion (5.1) equals the length of described the second tough portion (5.2).
5. a kind of torque wrench according to claim 4, is characterized in that: the width of described the first tough portion (5.1) is 0.5 millimeter, and the width of described the second tough portion (5.2) is 0.5 millimeter.
6. a kind of torque wrench according to claim 5, is characterized in that: the length of described the first tough portion (5.1) is 5 millimeters, and the length of described the second tough portion (5.2) is 5 millimeters.
7. a kind of torque wrench according to claim 6, is characterized in that: the thickness of described body (1) is 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227382.7U CN203988463U (en) | 2014-05-06 | 2014-05-06 | A kind of torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227382.7U CN203988463U (en) | 2014-05-06 | 2014-05-06 | A kind of torque wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203988463U true CN203988463U (en) | 2014-12-10 |
Family
ID=52028551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227382.7U Withdrawn - After Issue CN203988463U (en) | 2014-05-06 | 2014-05-06 | A kind of torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203988463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948444A (en) * | 2014-05-06 | 2014-07-30 | 桂林市啄木鸟医疗器械有限公司 | Load-limiting spanner |
-
2014
- 2014-05-06 CN CN201420227382.7U patent/CN203988463U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948444A (en) * | 2014-05-06 | 2014-07-30 | 桂林市啄木鸟医疗器械有限公司 | Load-limiting spanner |
| CN103948444B (en) * | 2014-05-06 | 2015-10-28 | 桂林市啄木鸟医疗器械有限公司 | A kind of torque wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |