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
Abstract
A jaw and toothed fixed torque wrench comprises an adjusting screw, a spring, a wrench casing, an inner sleeve, an outer sleeve and a handle, wherein the handle is arranged at the lower part in the middle of the wrench casing; a through hole is formed in the wrench casing; the outer sleeve, the inner sleeve, the spring and the adjusting screw are sequentially clamped into the through hole of the wrench casing; a nut hole is formed in the end face at one end, equipped with a boss, of the outer sleeve; the inner sleeve is fixed in the through hole of the wrench casing; a boss is arranged at the other end of the inner sleeve; the adjusting screw is mounted in the through hole of the wrench casing in a screw threaded manner; a boss is arranged at one end of the adjusting screw; the boss of the inner sleeve and the boss of the adjusting screw are sleeved with the spring. According to the jaw and toothed fixed torque wrench, an adjusting nut is rotated to move left and right in the axial direction so as to adjust spring pressure; the spring pressure is adjusted to control the size of applied torque so as to enable the applied torque to reach a pre-determined 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 (2)
| 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 | Combined type tool and instrument special for transformer substation |
-
2014
- 2014-04-15 CN CN201420180834.0U patent/CN203818043U/en not_active Expired - Fee Related
Cited By (4)
| 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 | Combined type tool and instrument special for transformer substation |
| CN105162013B (en) * | 2015-10-29 | 2017-08-08 | 国家电网公司 | Transformer station's special-purpose combined type Work tool |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170415 |