CN203818043U - Jaw and toothed fixed torque wrench - Google Patents
Jaw and toothed fixed torque wrench Download PDFInfo
- Publication number
- CN203818043U CN203818043U CN201420180834.0U CN201420180834U CN203818043U CN 203818043 U CN203818043 U CN 203818043U CN 201420180834 U CN201420180834 U CN 201420180834U CN 203818043 U CN203818043 U CN 203818043U
- Authority
- CN
- China
- Prior art keywords
- hole
- spanner
- inner sleeve
- outer sleeve
- round platform
- 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
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
一种牙嵌式定矩扳手，包括调节螺钉、弹簧、扳手壳体、内部套筒、外部套筒和手柄，所述扳手壳体中部的下方有手柄，所述扳手壳体内有通孔，所述扳手壳体的通孔内依次卡装有外部套筒、内部套筒、弹簧和调节螺钉，所述外部套筒有圆台的一端的端面内有螺母孔，所述内部套筒固定在扳手壳体的通孔内，所述内部套筒另一端有圆台，所述调节螺钉通过螺纹方式安装在扳手壳体的通孔内，所述调节螺钉一端有圆台，所述弹簧套装在内部套筒的圆台和调节螺钉的圆台上。本实用新型装置通过旋转调节螺母，可使调节螺母沿轴线方向左右移动从而调节弹簧的压力，通过调节弹簧压力大小的方法即可来控制施加力矩的大小，使所施加的力矩达到预定值。
A tooth-embedded fixed moment wrench, comprising an adjusting screw, a spring, a wrench housing, an inner sleeve, an outer sleeve and a handle, a handle is located below the middle of the wrench housing, and a through hole is provided in the wrench housing. The through hole of the wrench housing is sequentially fitted with an outer sleeve, an inner sleeve, a spring and an adjusting screw, the outer sleeve has a nut hole in the end face of one end of the round platform, and the inner sleeve is fixed on the wrench shell In the through hole of the wrench body, the other end of the inner sleeve has a round platform, the adjusting screw is installed in the through hole of the wrench housing through threads, one end of the adjusting screw has a round platform, and the spring is set in the inner sleeve On the round table of the round table and the adjusting screw. By rotating the adjusting nut, the device of the utility model can make the adjusting nut move left and right along the axial direction to adjust the pressure of the spring. By adjusting the pressure of the spring, the applied torque can be controlled to make the applied torque reach a predetermined value.
Description
Technical field
The utility model relates to a kind of factory field of tool, particularly relates to a kind of castellated square spanner of determining.
Background technology
For important being threaded, need to control pretightning force size, therefore the spanner of being badly in need of a kind of energy control moment size screws nut, in assembling work at present, often adopt measuring spanner for force moment to control pretightning force, adopt and need in the time of operation, ceaselessly observe in this way moment pointer or reading, therefore in the time of assembling in enormous quantities, can produce sense of fatigue, assembly quality is reduced, be therefore badly in need of a kind ofly determining moment and screwing the spanner of nut by adopting, thereby effectively control wrench torque.
Utility model content
For above problem, technical problem to be solved in the utility model is to provide a kind of castellated square spanner of determining, this device is by rotation adjusting nut, thereby can make adjusting nut move left and right the pressure of regulating spring along axis direction, method by regulating spring pressure size can be controlled the size that applies moment, make applied force square reach predetermined value, for reaching this object, the utility model provides a kind of castellated square spanner of determining, comprise adjustment screw, spring, spanner housing, inner sleeve, outer sleeve and handle, there is handle the below at described spanner housing middle part, in described spanner housing, there is through hole, there is snap ring one end of through hole in described spanner housing, in the through hole of described spanner housing, be installed with successively outer sleeve, inner sleeve, spring and adjustment screw, between described outer sleeve and spanner housing, pass through matched in clearance, there is round platform the end of described outer sleeve one end, described outer sleeve is stuck in by the round platform of end on the snap ring of through hole, described outer sleeve has in the end face of one end of round platform and has nut bore, the end face of the described outer sleeve other end has trapezoidal tooth, the end face of described inner sleeve one end has trapezoidal tooth, between described outer sleeve and inner sleeve, adopt trapezoidal tooth mode to be connected, described inner sleeve is fixed in the through hole of spanner housing and the interlock of spanner housing, the described inner sleeve other end has round platform, the inwall of described spanner housing inner via hole one end has screw thread, described adjustment screw is arranged on by engage thread in the through hole of spanner housing, there is round platform described adjustment screw one end, described spring housing is contained on the round platform of inner sleeve and the round platform of adjustment screw.
As further improvement of the utility model, described inner sleeve lateral wall has a circle draw-in groove, in draw-in groove, there is external splines, described inner sleeve is stuck in by spline mode in the through hole of spanner housing, the utility model can be stuck in the through hole of spanner housing by spline joint mode, drives sleeve rotating by spline mode.
As further improvement of the utility model, it is square that described outer sleeve has the hole in the end face of one end of round platform, when fastening nut, square hole need be stuck on the opposite side of hexagonal arbitrary group of nut, the utility model sleeve can be made a series, square hole size in this series middle sleeve is corresponding with the hexagon opposite side size of different size nut, thereby can change accordingly as required.
The utility model can preset moment values by adjusting nut as required before assembling, controls wrench torque, and in the time that wrench torque reaches setting, two sleeves are thrown off automatically, and nut stops operating, and completes the connection of screw thread.Adopt this torque wrench in the time of operation without observing moment pointer or reading, make assembling process simpler, alleviate labour intensity, improve the quality that is threaded, and in order to make this spanner be applicable to the nut pretension of different size, sleeve can be made a series, square hole size in this series middle sleeve is corresponding with the hexagon opposite side size of different size nut, before fastening nut, first select suitable sleeve to install, this spanner is just applicable to the pretension of different size nut like this.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model side view;
Member in figure is:
1, adjustment screw; 2, spring; 3, spanner housing;
4, inner sleeve; 5, outer sleeve; 6, external splines;
7, handle.
Detailed description of the invention
Below in conjunction with drawings and Examples, utility model is described in detail:
Technical problem to be solved in the utility model is to provide a kind of castellated square spanner of determining, this device is by rotation adjusting nut, thereby can make adjusting nut move left and right the pressure of regulating spring along axis direction, method by regulating spring pressure size can be controlled the size that applies moment, makes applied force square reach predetermined value.
As a kind of embodiment of the utility model, the utility model provides that side view one is as shown in Figure 2 castellated determines square spanner, comprise adjustment screw 1, spring 2, spanner housing 3, inner sleeve 4, outer sleeve 5 and handle 7, there is handle 7 below at described spanner housing 3 middle parts, in described spanner housing 3, there is through hole, there is snap ring one end of through hole in described spanner housing 3, in the through hole of described spanner housing 3, be installed with successively outer sleeve 5, inner sleeve 4, spring 2 and adjustment screw 1, between described outer sleeve 5 and spanner housing 3, pass through matched in clearance, there is round platform the end of described outer sleeve 5 one end, described outer sleeve 5 is stuck in by the round platform of end on the snap ring of through hole, described outer sleeve 5 has in the end face of one end of round platform porose, the end face of described outer sleeve 5 other ends has trapezoidal tooth, the end face of described inner sleeve 4 one end has trapezoidal tooth, between described outer sleeve 5 and inner sleeve 4, adopt trapezoidal tooth mode to be connected, described inner sleeve 4 is fixed in the through hole of spanner housing 3 and links with spanner housing 3, described inner sleeve 4 other ends have round platform, the inwall of described spanner housing 3 inner via hole one end has screw thread, described adjustment screw 1 is arranged on by engage thread in the through hole of spanner housing 3, there is round platform described adjustment screw 1 one end, described spring 2 is sleeved on the round platform of inner sleeve 4 and the round platform of adjustment screw 1.
As a kind of best specific embodiment of the utility model, the utility model provides that schematic diagram is as castellated in Fig. 1 side view one as shown in Figure 2 determines square spanner, comprise adjustment screw 1, spring 2, spanner housing 3, inner sleeve 4, outer sleeve 5 and handle 7, there is handle 7 below at described spanner housing 3 middle parts, in described spanner housing 3, there is through hole, there is snap ring one end of through hole in described spanner housing 3, in the through hole of described spanner housing 3, be installed with successively outer sleeve 5, inner sleeve 4, spring 2 and adjustment screw 1, between described outer sleeve 5 and spanner housing 3, pass through matched in clearance, there is round platform the end of described outer sleeve 5 one end, described outer sleeve 5 is stuck in by the round platform of end on the snap ring of through hole, described outer sleeve 5 has in the end face of one end of round platform porose, , it is square that described outer sleeve has the hole in the end face of one end of round platform, when fastening nut, square hole need be stuck on the opposite side of hexagonal arbitrary group of nut, sleeve can be made a series, square hole size in this series middle sleeve is corresponding with the hexagon opposite side size of different size nut, thereby can change accordingly as required, the end face of described outer sleeve 5 other ends has trapezoidal tooth, the end face of described inner sleeve 4 one end has trapezoidal tooth corresponding with the thread form of the trapezoidal tooth of outer sleeve 5, between described outer sleeve 5 and inner sleeve 4, adopt trapezoidal tooth mode to be connected, described inner sleeve 4 lateral walls have a circle draw-in groove, in draw-in groove, there is external splines 6, described inner sleeve 4 is stuck in by spline mode in the through hole of spanner housing 3, the utility model can be stuck in the through hole of spanner housing by spline joint mode, drive sleeve rotating by spline mode, described inner sleeve 4 other ends have round platform, the inwall of described spanner housing 3 inner via hole one end has screw thread, described adjustment screw 1 is arranged on by engage thread in the through hole of spanner housing 3, there is round platform described adjustment screw 1 one end, described spring 2 is sleeved on the round platform of inner sleeve 4 and the round platform of adjustment screw 1.
The utility model course of work is as follows: rotating spanner, inner sleeve follows spanner housing to rotate together under the effect of spline, outer sleeve is also and then rotation together under the effect of stepped tooth, continue to increase rotating torque, in the time that moment reaches predetermined value, when the axial thrust load of facing is greater than spring pressure size, force two sleeves to exit engagement, thereby stop operating nut, reach the effect of control moment.
The above; it is only preferred embodiment of the present utility model; be not the restriction of the utility model being made to any other form, and according to any amendment or equivalent variations that technical spirit of the present utility model is done, still belong to the utility model scope required for protection.
Claims (3)
1. castellatedly determine square spanner for one kind, comprise adjustment screw (1), spring (2), spanner housing (3), inner sleeve (4), outer sleeve (5) and handle (7), it is characterized in that: there is handle (7) below at described spanner housing (3) middle part, in described spanner housing (3), there is through hole, there is snap ring one end of through hole in described spanner housing (3), in the through hole of described spanner housing (3), be installed with successively outer sleeve (5), inner sleeve (4), spring (2) and adjustment screw (1), between described outer sleeve (5) and spanner housing (3), pass through matched in clearance, there is round platform the end of described outer sleeve (5) one end, described outer sleeve (5) is stuck in by the round platform of end on the snap ring of through hole, described outer sleeve (5) has in the end face of one end of round platform porose, the end face of described outer sleeve (5) other end has trapezoidal tooth, the end face of described inner sleeve (4) one end has trapezoidal tooth, between described outer sleeve (5) and inner sleeve (4), adopt trapezoidal tooth mode to be connected, described inner sleeve (4) is fixed in the through hole of spanner housing (3) and spanner housing (3) interlock, described inner sleeve (4) other end has round platform, the inwall of described spanner housing (3) inner via hole one end has screw thread, described adjustment screw (1) is arranged on by engage thread in the through hole of spanner housing (3), there is round platform described adjustment screw (1) one end, described spring (2) is sleeved on the round platform of inner sleeve (4) and the round platform of adjustment screw (1).
2. one according to claim 1 is castellated determines square spanner, it is characterized in that: described inner sleeve (4) lateral wall has a circle draw-in groove, in draw-in groove, have external splines (6), described inner sleeve (4) is stuck in the through hole of spanner housing (3) by spline mode.
3. one according to claim 1 is castellated determines square spanner, it is characterized in that: it is square that described outer sleeve (5) has the hole in the end face of one end of round platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180834.0U CN203818043U (en) | 2014-04-15 | 2014-04-15 | Jaw and toothed fixed torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180834.0U CN203818043U (en) | 2014-04-15 | 2014-04-15 | Jaw and toothed fixed torque wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203818043U true CN203818043U (en) | 2014-09-10 |
Family
ID=51473586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180834.0U Expired - Fee Related CN203818043U (en) | 2014-04-15 | 2014-04-15 | Jaw and toothed fixed torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203818043U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669185A (en) * | 2015-03-09 | 2015-06-03 | 广西玉柴机器股份有限公司 | Sleeve capable of setting torque |
| CN105162013A (en) * | 2015-10-29 | 2015-12-16 | 国家电网公司 | Special combined tools for substations |
| CN113524095A (en) * | 2020-04-15 | 2021-10-22 | 浙江万里扬股份有限公司 | Sleeve assembly |
-
2014
- 2014-04-15 CN CN201420180834.0U patent/CN203818043U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104669185A (en) * | 2015-03-09 | 2015-06-03 | 广西玉柴机器股份有限公司 | Sleeve capable of setting torque |
| CN104669185B (en) * | 2015-03-09 | 2016-04-27 | 广西玉柴机器股份有限公司 | The sleeve of moment can be determined |
| CN105162013A (en) * | 2015-10-29 | 2015-12-16 | 国家电网公司 | Special combined tools for substations |
| CN105162013B (en) * | 2015-10-29 | 2017-08-08 | 国家电网公司 | Special combined tool for transformer substation |
| CN113524095A (en) * | 2020-04-15 | 2021-10-22 | 浙江万里扬股份有限公司 | Sleeve assembly |
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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: 20140910 Termination date: 20170415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |