CN202895076U - Anchoring force torque wrench - Google Patents
Anchoring force torque wrench Download PDFInfo
- Publication number
- CN202895076U CN202895076U CN 201220551779 CN201220551779U CN202895076U CN 202895076 U CN202895076 U CN 202895076U CN 201220551779 CN201220551779 CN 201220551779 CN 201220551779 U CN201220551779 U CN 201220551779U CN 202895076 U CN202895076 U CN 202895076U
- Authority
- CN
- China
- Prior art keywords
- wrenching bar
- driving end
- mentioned
- lower ejector
- ejector lever
- 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
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Abstract
The utility model discloses an anchoring force torque wrench which comprises a handle. The handle comprises an upper wrenching bar, a lower wrenching bar, an upper driving end and a lower driving end. The structure of the upper wrenching bar is the same with the structure of the lower wrenching bar. The upper driving end and the lower driving end are respectively fixed at the front ends of the wrenching bars. Positioning screw holes are formed in corresponding positions of the upper driving end and the lower driving end. The upper wrenching bar, the lower wrenching bar, the upper driving end and the lower driving end are fixedly connected into a whole through positioning bolts penetrating through the positioning screw holes. The upper driving end and the lower driving end are all in a ring shape. A first inner cavity is formed by central parts after the upper driving end is installed with the lower driving end in an opposite mode. A wrench chuck is embedded in the first inner cavity. Clamping grooves are evenly distributed on the periphery of the wrench chuck. An inner working surface fitted with a workpiece is arranged on the center of the wrench chuck. A second inner cavity is formed along the axial direction of the wrenching bar in the center positions of the upper wrenching bar and the lower wrenching bar after the upper wrenching bar is installed with the lower wrenching bar in an opposite mode. An axial direction positioning mechanism is arranged along the axial direction of the wrenching bar in the second inner cavity. The axial direction positioning mechanism is connected with the wrench chuck through a sliding block in a sliding mode. The anchoring force torque wrench is simple in structure and convenient to operate.
Description
Technical field
The utility model relates to a kind of spanner, relates in particular to a kind of torque wrench.
Background technology
In machinery industry, being threaded is the most general connected mode, the overwhelming majority must tighten, make to be connected to and bear before the service load, be subject in advance the effect of power, therefore, spanner is an important instrument, be widely used for many years, have the spanner of deciding the moment function and also used in some occasions.Yet the torque wrench function of using at present is all more single, and their maximum moments that can reach often are subject to the restriction of himself spring and handle tail end screw thread.Torque wrench of the prior art awaits further improving and improving.
The utility model content
The utility model is the weak point of avoiding above-mentioned prior art to exist, and a kind of torque wrench is provided.
The technical scheme that the utility model adopts is:
A kind of torque wrench, comprise handle, described handle comprises identical upper of structure, lower ejector lever bar and be installed in respectively the upper of wrenching bar front end, the lower ejector lever head, on described, position corresponding on the lower ejector lever head offers positioning screw hole, on described, the lower ejector lever bar and on, the lower ejector lever head is fixed with one by the dog screw that is located in the above-mentioned positioning screw hole, on described, the lower ejector lever head all is loop shaped, to the dress after upper, the middle body of lower ejector lever head forms the first inner chamber, be embedded a spanner chuck in this first inner chamber, described spanner chuck border is evenly equipped with draw-in groove, described spanner chuck central authorities offer the interior working surface that can cooperate with workpiece, on described, behind the lower ejector lever pole pair dress in the central the position axially offer the second inner chamber along wrenching bar, in described the second inner chamber along wrenching bar axially be provided with axial positioning mechanism, described axial positioning mechanism is slidingly connected by slide block and above-mentioned spanner chuck.
Described axial positioning mechanism comprises above-mentioned slide block, spring and adjustment screw, described slide block and adjustment screw are positioned at the two ends of above-mentioned the second inner chamber, the front end of described slide block is provided with the clamping joint suitable with above-mentioned draw-in groove, described slide block is slidingly connected by this clamping joint and above-mentioned spanner chuck, the rear end of described slide block is installed with the first projection, the afterbody of described adjustment screw is installed with the second projection, above-mentioned spring housing is located on above-mentioned the first projection and the second projection, and the screw thread of described adjustment screw and wrenching bar afterbody screws.
The cross section of described draw-in groove is 1/4th circle.
Described draw-in groove has several.
The cross section of the interior working surface of described spanner chuck is square or regular hexagon, and the circumferential perimeter of described spanner chuck is rounded.
Owing to having adopted technique scheme, the obtained beneficial effect of the utility model is:
The maximum moment that arranges in the time of can making spanner realize along a direction rotation of axial detent mechanism is certain value and can utilizes adjustment screw to adjust the size of pressing force of the spring control spanner screw-down torque in the utility model, has improved operating efficiency; Simultaneously, the thrust of spring is adjusted in the utility model use of can also reversing by adjustment screw, make the thrust of spring very little, can realize the unidirectional drive function.The utility model is simple in structure, and is easy to operate, and reliable operation can be used in the industries such as machine-building, assembling, maintenance widely.
Description of drawings
Fig. 1 is cutaway view of the present utility model.
Fig. 2 is the structural representation of spanner chuck in the utility model.
Fig. 3 is the structural representation of slide block in the utility model.
Wherein,
1, wrenching bar 2, driving end 3, positioning screw hole 4, spanner chuck 5, draw-in groove 6, interior working surface 7, the second inner chamber 8, slide block 9, spring 10, adjustment screw 11, clamping joint 12, the first projection 13, the second projection
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment, but the utility model is not limited to these embodiment.
Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of torque wrench, comprise handle, described handle comprises identical upper of structure, lower ejector lever bar 1 and be installed in respectively the upper of wrenching bar front end, lower ejector lever head 2, on described, corresponding position offers positioning screw hole 3 on the lower ejector lever head 2, on described, lower ejector lever bar 1 and on, lower ejector lever head 2 is fixed with one by the dog screw that is located in the above-mentioned positioning screw hole 3, on described, lower ejector lever head 2 all is loop shaped, to the dress after upper, the middle body of lower ejector lever head 2 forms the first inner chamber (not shown), be embedded a spanner chuck 4 in this first inner chamber, described spanner chuck 4 borders are evenly equipped with draw-in groove 5, described spanner chuck 4 central authorities offer the interior working surface 6 that can cooperate with workpiece, on described, behind 1 pair of dress of lower ejector lever bar in the central the position axially offer the second inner chamber 7 along wrenching bar 1, in described the second inner chamber 7 along wrenching bar 1 axially be provided with axial positioning mechanism, described axial positioning mechanism is slidingly connected by slide block 8 and above-mentioned spanner chuck 4.
Described axial positioning mechanism comprises above-mentioned slide block 8, spring 9 and adjustment screw 10, described slide block 8 and adjustment screw 10 are positioned at the two ends of above-mentioned the second inner chamber 7, the front end of described slide block 8 is provided with the clamping joint 11 suitable with above-mentioned draw-in groove 5, described slide block 8 is slidingly connected by this clamping joint 11 and above-mentioned spanner chuck 4, the rear end of described slide block 8 is installed with the first projection 12, the afterbody of described adjustment screw 10 is installed with the second projection 13, above-mentioned spring 9 is set on above-mentioned the first projection 12 and the second projection 13, and described adjustment screw 10 screws with the screw thread of wrenching bar 1 afterbody.
The cross section of described draw-in groove 5 is 1/4th circle.
Described draw-in groove 5 has several.
The cross section of the interior working surface 6 of described spanner chuck 4 is square or regular hexagon, and the circumferential perimeter of described spanner chuck 4 is rounded.
In use, the direction of rotating by spanner among Fig. 1 rotate can realize spanner decide the moment function, the maximum screw-down torque of spanner is certain value, when maximum screw-down torque surpasses setting, spring 9 is compressed, and spanner chuck 4 and slide block generation relative sliding are if be rotated further spanner, spanner chuck 4 will no longer rotate, thereby can utilize this moment adjustment screw 10 to adjust the size of the thrust control spanner screw-down torque of spring 9; When spanner according to Fig. 1 in during the counter-rotation of rotation direction, to the not stress restriction of square size of the rotation of spanner, at this moment, adjust the thrust of spring 9 with adjustment screw 10, make the thrust of spring 9 very little, then press when the spanner rotation direction is rotated among Fig. 1, spring 9 is easy to compressed, thereby realizes the function of the unidirectional drive of spanner.
Need to prove, specific embodiment described herein only is to spiritual example explanation of the present utility model.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. torque wrench, comprise handle, it is characterized in that: described handle comprises identical upper of structure, lower ejector lever bar and be installed in respectively the upper of wrenching bar front end, the lower ejector lever head, on described, position corresponding on the lower ejector lever head offers positioning screw hole, on described, the lower ejector lever bar and on, the lower ejector lever head is fixed with one by the dog screw that is located in the above-mentioned positioning screw hole, on described, the lower ejector lever head all is loop shaped, to the dress after upper, the middle body of lower ejector lever head forms the first inner chamber, be embedded a spanner chuck in this first inner chamber, described spanner chuck border is evenly equipped with draw-in groove, described spanner chuck central authorities offer the interior working surface that can cooperate with workpiece, on described, behind the lower ejector lever pole pair dress in the central the position axially offer the second inner chamber along wrenching bar, in described the second inner chamber along wrenching bar axially be provided with axial positioning mechanism, described axial positioning mechanism is slidingly connected by slide block and above-mentioned spanner chuck.
2. a kind of torque wrench according to claim 1, it is characterized in that: described axial positioning mechanism comprises above-mentioned slide block, spring and adjustment screw, described slide block and adjustment screw are positioned at the two ends of above-mentioned the second inner chamber, the front end of described slide block is provided with the clamping joint suitable with above-mentioned draw-in groove, described slide block is slidingly connected by this clamping joint and above-mentioned spanner chuck, the rear end of described slide block is installed with the first projection, the afterbody of described adjustment screw is installed with the second projection, above-mentioned spring housing is located on above-mentioned the first projection and the second projection, and the screw thread of described adjustment screw and wrenching bar afterbody screws.
3. a kind of torque wrench according to claim 1, it is characterized in that: the cross section of described draw-in groove is 1/4th circle.
4. a kind of torque wrench according to claim 1, it is characterized in that: described draw-in groove has several.
5. a kind of torque wrench according to claim 1, it is characterized in that: the cross section of the interior working surface of described spanner chuck is square or regular hexagon, and the circumferential perimeter of described spanner chuck is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551779 CN202895076U (en) | 2012-10-25 | 2012-10-25 | Anchoring force torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220551779 CN202895076U (en) | 2012-10-25 | 2012-10-25 | Anchoring force torque wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202895076U true CN202895076U (en) | 2013-04-24 |
Family
ID=48115791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220551779 Expired - Fee Related CN202895076U (en) | 2012-10-25 | 2012-10-25 | Anchoring force torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202895076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514528A (en) * | 2016-12-14 | 2017-03-22 | 晋西工业集团有限责任公司 | Spanner with adjustable moment of force |
| CN109551411A (en) * | 2019-01-14 | 2019-04-02 | 中国电子科技集团公司第三十八研究所 | A kind of torque spanner with regulation handle |
-
2012
- 2012-10-25 CN CN 201220551779 patent/CN202895076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514528A (en) * | 2016-12-14 | 2017-03-22 | 晋西工业集团有限责任公司 | Spanner with adjustable moment of force |
| CN109551411A (en) * | 2019-01-14 | 2019-04-02 | 中国电子科技集团公司第三十八研究所 | A kind of torque spanner with regulation handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131025 |