CN2393689Y - Anti-shift spanner - Google Patents
Anti-shift spanner Download PDFInfo
- Publication number
- CN2393689Y CN2393689Y CN 99245184 CN99245184U CN2393689Y CN 2393689 Y CN2393689 Y CN 2393689Y CN 99245184 CN99245184 CN 99245184 CN 99245184 U CN99245184 U CN 99245184U CN 2393689 Y CN2393689 Y CN 2393689Y
- Authority
- CN
- China
- Prior art keywords
- handle
- chuck
- gripping head
- active chuck
- fixed
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses an anti-shift spanner which is composed of a handle, a fixed gripping head and a movable gripping head. The handle is connected with a regulating nut limiting table, a movable gripping head hole is arranged on the handle, and the movable gripping head is connected with gripping teeth of the movable gripping head and an adjustable screw rod of the movable gripping head. A restoring spring is pressed by the upper part of the fixed gripping head, the restoring spring is connected with the handle and the fixed gripping head into integration, and the intersection angle of the gripping teeth of the movable gripping head and the central axis of the handle is an acute angle. The utility model has the advantages of simple structure, convenient operation, no slipping, high safety and high work efficiency.
Description
The utility model relates to a kind of anti-skidding spanner, is applicable to the common tool that in the hydropower installation engineering cylindrical tube is carried out dismounting.
Spanner in the market has following several: a kind of is bulldog wrench, this spanner is by handle, fixed chuck, active chuck, steady pin, adjusting nut, back-moving spring constitutes, on handle, be cast with active chuck installing hole and adjusting nut limiting stand, active chuck is by live splint head-clamp tooth, active chuck is regulated screw mandrel and is formed, the formed angle facing to the folder mouth of the fixed chuck of this spanner and handle center's axis is 95 °, and the active chuck flank of tooth and handle center's axis angle degree are 90-100 °, the motion owing to handle when work of the movable fixed chuck of this spanner can not produce self-locking performance to pipe fitting, and the folder tooth weares and teares the use inconvenience easily; Another kind is to have horizontal fan-shaped adjusting nut installing hole spanner in the centre of spanner active chuck installing hole, it is 100 ° that the fixed chuck of spanner and handle center axis are formed facing to folder bicker degree, is not become by the central axis angle and still can't make and produce self-locking between active chuck and pipe fitting by active chuck; Another bulldog wrench, movable installing hole and handle are divided into two parts, and two parts are linked to each other by pin, this change makes and has produced similar between active chuck installing hole and the handle and structure hinge, can make active chuck realize that when work angle changes better, this bulldog wrench is connected as a single entity fixed chuck and handle, fixed chuck and handle center's axis angle are 100 °, active chuck is 80-100 ° because of the angle facing to folder mouthful that the influence of hinge arrangement makes that the live splint head-clamp flank of tooth and handle center's axis form, angle when beginning because of active chuck work is 100 °, skids with pipe fitting in case spanner is stressed.
The purpose of this utility model has provided a kind of anti-skidding spanner, has enlarging shape active chuck hole on handle, and is simple in structure, easy to operate, locks certainly, safe in utilization.
In order to realize above-mentioned task, the utility model adopts following technical measures: it is by handle, steady pin, fixed chuck, back-moving spring, adjusting nut constitutes, it is characterized in that handle links to each other with the adjusting nut limiting stand, on handle, have the active chuck hole, the active chuck and the live splint head-clamp flank of tooth, active chuck is regulated screw mandrel and is linked to each other, the live splint head-clamp flank of tooth is regulated screw mandrel perpendicular to active chuck, the back-moving spring stiff end is being pressed on the top of fixed chuck, the stiff end of back-moving spring makes back-moving spring and handle, fixed chuck is connected as a single entity, the other end of back-moving spring reaches the bottom in active chuck hole, the angle of live splint head-clamp tooth and handle center's axis is an acute angle, and the acute angle of live splint head-clamp tooth and handle center's axis can make the folder flank of tooth and tube surface produce self-locking.
Fig. 1 is anti-skidding spanner structure schematic diagram.
Fig. 2 is anti-skidding spanner schematic top plan view.
Fig. 3 cooperates schematic diagram for Fig. 1.
Fig. 4 is anti-skidding spanner vertical view.
Below in conjunction with accompanying drawing the utility model is described in further detail:
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4 as can be known, handle 1 links to each other with adjusting nut limiting stand 8, and active chuck 9 is regulated screw mandrel 5B with live splint head-clamp tooth 5A, active chuck and linked to each other, and live splint head-clamp flank of tooth 5A regulates screw mandrel 5B perpendicular to active chuck.Adjusting nut 6 remains at the centre of active chuck hole 7 and adjusting nut limiting stand 8, makes active chuck regulate screw mandrel 5B and can not go here and there back and forth under the effect of adjusting nut 6.Fixed chuck 3 is fixed on the bottom in active chuck hole 7 by a steady pin 2, back-moving spring 4 is being pressed on the top of fixed chuck 3, the stiff end of back-moving spring 4 and handle 1, fixed chuck 3 are connected as a single entity, and the other end of back-moving spring 4 reaches the bottom in active chuck hole 7.Active chuck hole 7 is downward-sloping through hole.Active chuck is regulated screw mandrel 5B and is passed from active chuck hole 7, and the live splint head-clamp flank of tooth and handle 1 central axis are acutangulated, and angle is 70-80 °.Adjusting nut 6 is contained in the centre of active chuck hole 7 and adjusting nut limiting stand 8, and links to each other by screw thread and active chuck adjusting screw mandrel 5B.Live splint head-clamp flank of tooth 5A and fixed chuck 3 folder faces have ratchet, and tilt by the same anglec of rotation.The effect of back-moving spring 4 makes active chuck regulate screw mandrel 5B remains on close active chuck hole 7 always when not working tip position, makes the gap of 3 of live splint head-clamp flank of tooth 5A and fixed chucks be opened to maximum.When work, regulate the folder mouth bore of spanner earlier according to different operating spare, when spanner active chuck 9 and fixed chuck 3 are clamped object, with defeating handle 1, make the live splint head-clamp flank of tooth 5A and fixed chuck 3 flank of tooth and pipe fitting produce self-locking, push down handle 1 workpiece again and rotate.
The utility model compared with prior art has the following advantages and effect, and is simple in structure, easy to operate, Non-slip, easy to use, safety has improved operating efficiency.
Claims (3)
1, a kind of anti-skidding spanner, it is made of handle (1), fixed chuck (3), active chuck (9), it is characterized in that handle (1) links to each other with adjusting nut limiting stand (8), have active chuck hole (7) on handle (1), active chuck (9) is regulated screw mandrel (5B) with the live splint head-clamp flank of tooth (5A), active chuck and is linked to each other.
2, a kind of anti-skidding spanner according to claim 1, it is characterized in that fixed chuck (3) top pressing back-moving spring (4), back-moving spring (4) and handle (1), fixed chuck (3) to be connected as a single entity, the other end of back-moving spring (4) reaches the bottom of active chuck hole (7).
3, a kind of anti-skidding spanner according to claim 1 is characterized in that the live splint head-clamp flank of tooth (5A) and the angle of handle (1) central shaft are 70-80 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99245184 CN2393689Y (en) | 1999-10-28 | 1999-10-28 | Anti-shift spanner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99245184 CN2393689Y (en) | 1999-10-28 | 1999-10-28 | Anti-shift spanner |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2393689Y true CN2393689Y (en) | 2000-08-30 |
Family
ID=34031132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 99245184 Expired - Fee Related CN2393689Y (en) | 1999-10-28 | 1999-10-28 | Anti-shift spanner |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2393689Y (en) |
-
1999
- 1999-10-28 CN CN 99245184 patent/CN2393689Y/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 | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |