CN212330851U - Nut screwing tool suitable for space limitation and deep hole - Google Patents

Abstract

The utility model relates to a nut tightening tool suitable for space limitation and deep hole, including handle, hand shaft, steel ring, steel pipe, nut sleeve, the handle is that two rings cup joint together with the hand shaft, steel ring and hand shaft welding, steel pipe and steel ring welding, nut sleeve and steel pipe welding, nut sleeve and the nut matching that needs tighten. When the nut needs to be screwed up, the handle drives the hand shaft by limiting the rolling of the hand shaft in one direction through the buckle, the linkage steel ring, the steel pipe and the nut sleeve rotate together to screw up the nut, the buckle only limits the sliding of the handle in one direction, the other direction is still movable and fixed in a limited space, the hand shaft rotates back under the condition that the hand shaft is not moved, and the whole body is screwed up again, so that the nut is screwed up in the limited space. The utility model discloses a handle is at swing handle under the condition that narrow and small space spanner and nut do not drop, guarantees that the nut can screw up in succession.

Description

Nut screwing tool suitable for space limitation and deep hole

The technical field is as follows:

the utility model belongs to the building construction field relates to a construction tool, concretely relates to nut tightening tool suitable for space limitation and deep hole.

Background art:

in the building, some devices adopt nuts to screw, and some nuts are in the deep hole and the surrounding space is limited, and conventional wrenches cannot perform screwing operation, so that a better construction tool is needed to realize the fastening of the nuts in the deep hole.

The invention content is as follows:

the utility model relates to a realize that the screwing up of nut is fixed in the limited and deep hole in space, provide a construction tool, the utility model discloses need not too much input, need not to destroy the structure, just can realize that the screwing up of nut is fixed in the deep hole.

The utility model discloses the technical scheme who realizes is:

the utility model provides a nut tightening tool suitable for space limitation and deep hole, includes handle, hand shaft, steel ring, steel pipe, nut sleeve, its characterized in that: the handle and the hand shaft are sleeved together through two circular rings, the steel circular ring is welded with the hand shaft, the steel pipe is welded with the steel circular ring, the nut sleeve is welded with the steel pipe, and the nut sleeve is matched with a nut to be screwed.

The handle is provided with a cylindrical groove for mounting the spring and the steel ball and a groove for mounting the buckle, the spring and the steel ball are respectively placed into the cylindrical groove of the handle before the buckle is mounted, the buckle is mounted in the groove of the handle through a clamping pin, and the clamping groove of the buckle can be tightly engaged with the circular sawtooth of the hand shaft. The bayonet lock is fixed the buckle in the inslot of handle, and the buckle can go up in the handle and rotate, and the buckle carries out just detaining and left-hand thread through spring and steel ball, and when the buckle was pulled, extrusion steel ball and spring, the spring shrink, the buckle is pulled and is accomplished the back, and the spring extension, the steel ball falls into buckle bottom draw-in groove lock and dies, through the top interlock, the bottom lock dies, the restriction buckle activity.

The buckle upper portion symmetry be equipped with two draw-in grooves that can interlock with the ring sawtooth of hand shaft, the buckle middle part is equipped with the card pinhole, the buckle bottom is equipped with a draw-in groove, when the steel ball bounced into buckle bottom draw-in groove, can restrict the buckle and rotate.

The inner diameter of the steel ring is consistent with the outer diameter of the hand shaft, and the outer diameter of the steel ring is matched with the diameter of the nut sleeve.

The length of the steel pipe is adjusted according to the length of the hole depth.

The nut in the deep hole can be screwed by the screwing tool, the handle can rotate back and forth in the area with limited space, the nut sleeve can be selected according to the nut, the hand shaft can be lengthened through the steel pipe, and the nut screwing tool is suitable for screwing nuts in various hole depths; the handle can be turned around in a narrow space range, the nut is not driven to be turned around simultaneously during turning, the handle can be turned around under the condition that the wrench and the nut do not fall off in the narrow space, and the nut can be continuously screwed up.

Description of the drawings:

fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the present invention.

In the figure: 1-handle, 2-spring, 3-steel ball, 4-buckle, 5-bayonet lock, 6-hand shaft, 7-steel ring, 8-steel pipe, 9-nut sleeve.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a nut tightening tool suitable for space limitation and deep hole, including handle 1, hand shaft 6, steel ring 7, steel pipe 8, nut sleeve 9, its characterized in that: handle 1 cup joints together with hand shaft 6 for two rings, and the ring outside of hand shaft is equipped with the zigzag, be equipped with the cylinder recess of installation spring 2 and steel ball 3 and the groove of installation buckle 4 on handle 1, 4 upper portion symmetries of buckle are equipped with two can with the draw-in grooves of the ring sawtooth interlock of hand shaft 6, 4 middle parts of buckle are equipped with the card pinhole, 4 bottoms of buckle are equipped with a draw-in groove, when 3 bullet income buckle bottom draw-in grooves of steel ball, can restrict the buckle and rotate, handle 1 department that 4 bottoms of buckle correspond is equipped with a cylinder recess, cylinder recess and steel ball 3, spring 2 matches. The upper portion draw-in groove of buckle 4 can be shown as figure 3 serial number 11 with the ring sawtooth interlock chucking of hand shaft 6, 4 bottom draw-in grooves of buckle are gone into to steel ball 3 this moment simultaneously, with thereby the roll of 6 directions of restriction hand shaft, put into the cylinder recess of handle 1 with spring 2 and steel ball 3 respectively earlier before installing buckle 4, buckle 4 passes through bayonet lock 5 and installs the inslot at handle 1, buckle 4 can rotate at handle 1 inslot, buckle 4 carries out just detaining and left-hand thread with steel ball 3 through spring 2, when buckle 4 pulls, extrusion steel ball 3 and spring 2, spring 2 contracts, buckle 4 pulls and accomplishes the back, spring 2 extends, steel ball 3 dies with buckle 4 lock, restriction buckle 4 activity. The steel ball 3 can press the steel ball 3 from top to bottom when 4 both ends of buckle slide under the effect of spring 2, when sliding 3 bottom centers in steel ball, the steel ball 3 bounce supports the draw-in groove of 4 bottoms of buckle to restriction buckle 4 slides. The steel ring 7 is welded with the hand shaft 6, the inner diameter of the steel ring 7 is consistent with the outer diameter of the hand shaft 6, the outer diameter of the steel ring 7 is adjusted and matched according to the diameter of the nut sleeve 9, the upper and lower opening and closing functions are achieved, the steel pipe 8 is welded with the steel ring 7, the length of the steel pipe 8 can be properly adjusted according to the hole depth, the nut sleeve 9 is welded with the steel pipe 8, and the nut sleeve 9 is matched with a nut 10 to be screwed; when the nut needs to be screwed up, the rolling of one direction of the hand shaft 6 is limited through the buckle 4, the handle 1 drives the hand shaft 6, the linkage steel ring 7, the steel pipe 8 and the nut sleeve 9 rotate together to screw up the nut, because the buckle 4 only limits the sliding of one direction of the handle 1, the other direction is still movable, the handle 1 can rotate back and forth in a limited space under the condition that the hand shaft 6 is fixed, the hand shaft 6 is driven again, the linkage steel ring 7, the steel pipe 8 and the nut sleeve 9 rotate integrally, and therefore the nut is screwed up in the limited space. The utility model discloses the suitability is strong, and the length of accessible steel pipe is adjusted and is suitable for all kinds of hole depths. The nut socket can be matched according to the model of the nut.

Claims (5)

1. The utility model provides a nut tightening tool suitable for space limitation and deep hole, includes handle, hand shaft, steel ring, steel pipe, nut sleeve, its characterized in that: the handle and the hand shaft are sleeved together through two circular rings, the steel circular ring is welded with the hand shaft, the steel pipe is welded with the steel circular ring, the nut sleeve is welded with the steel pipe, and the nut sleeve is matched with a nut to be screwed.

2. A nut tightening tool for spatially confined and deep holes according to claim 1, wherein: the handle is provided with a cylindrical groove for mounting the spring and the steel ball and a groove for mounting the buckle, the spring and the steel ball are respectively placed into the cylindrical groove of the handle before the buckle is mounted, the buckle is mounted in the groove of the handle through a clamping pin, and the clamping groove of the buckle can be tightly engaged with the circular sawtooth of the hand shaft.

3. The nut tightening tool for spatially confined and deep holes of claim 2, wherein: the buckle upper portion symmetry be equipped with two draw-in grooves that can interlock with the ring sawtooth of hand shaft, the buckle middle part is equipped with the card pinhole, the buckle bottom is equipped with a draw-in groove, when the steel ball bounced into buckle bottom draw-in groove, can restrict the buckle and rotate.

4. A nut tightening tool adapted for use with spatially confined and deep holes according to claim 1, 2 or 3, wherein: the inner diameter of the steel ring is consistent with the outer diameter of the hand shaft, and the outer diameter of the steel ring is matched with the diameter of the nut sleeve.

5. A nut tightening tool adapted for use with spatially confined and deep holes according to claim 1, 2 or 3, wherein: the length of the steel pipe is adjusted according to the length of the hole depth.

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