CN210879413U

CN210879413U - Output shaft of electric ratchet wrench

Info

Publication number: CN210879413U
Application number: CN201921797821.7U
Authority: CN
Inventors: 朱劲涛
Original assignee: Anfurui Suzhou Machinery Parts Co ltd
Current assignee: Anfurui Suzhou Machinery Parts Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-30
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses an electric ratchet wrench output shaft, including latch device, adjusting sleeve and eccentric drive head, the fixed one end of pegging graft at adjusting sleeve of latch device, the fixed other end of pegging graft at adjusting sleeve of eccentric drive head, latch device's inside fixed mounting has the inserted bar, the one end joint of inserted bar has the joint piece, the bottom fixedly connected with fixing device of inserted bar, the upper portion surface rotation of inserted bar installs the second fastening screw, the spliced eye has been seted up at adjusting sleeve's top center, the spout has been seted up at the inside center of draw-in groove, the inside edge that is located the spout of draw-in groove has seted up the cogged rail, fixing device's inside fixed mounting has the threaded rod, the one end fixedly connected with second connecting block of threaded rod. The utility model discloses can adjust according to different equipment fixing hole to and can in time change the part when the output shaft damages and play emergent effect, thereby improve the practicality of output shaft itself.

Description

Output shaft of electric ratchet wrench

Technical Field

The utility model relates to an electric ratchet spanner equipment technical field specifically is electric ratchet spanner output shaft.

Background

Screw and nut are torn open to ann that electric ratchet spanner can be quick, efficiency is torn open to improvement screw and nut ann, wherein the inside output shaft of electric ratchet spanner mainly plays the transmission effect, and current output shaft is when using, can only use according to the corollary equipment fixing, and the size of output shaft itself is fixed, can not adjust according to different equipment fixing hole, and can not in time change the part when the output shaft damages and play emergent effect, thereby reduce the practicality of output shaft itself, so need an electric ratchet spanner output shaft, in order to solve the problem that proposes in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric ratchet spanner output shaft to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an output shaft of an electric ratchet wrench comprises a clamping device, an adjusting sleeve and an eccentric transmission head, wherein the clamping device is fixedly inserted at one end of the adjusting sleeve, the eccentric transmission head is fixedly inserted at the other end of the adjusting sleeve, an insertion rod is fixedly installed inside the clamping device, a clamping block is clamped at one end of the insertion rod, a fixing device is fixedly connected at the bottom end of the insertion rod, a second threaded hole is formed in the top end of the insertion rod, a second fastening screw is rotatably installed on the outer surface of the upper portion of the insertion rod, a first threaded hole is formed in the top of the clamping block, a first fastening screw is rotatably installed inside the first threaded hole, an insertion hole is formed in the center of the top of the adjusting sleeve, a clamping groove is formed in the outer surface of the adjusting sleeve, a sliding groove is formed in the center of the inside of the clamping groove, and a rack rail, the fixing device is characterized in that a threaded rod is fixedly mounted inside the fixing device, a second connecting block is fixedly connected to one end of the threaded rod, a cross-shaped clamping groove is formed in the center of the side face of the second connecting block, a first connecting block is spirally connected to the other end of the threaded rod, a tooth groove is formed in the side face of the first connecting block, and a third threaded hole is formed in the center of the side face of the first connecting block.

Preferably, the outer surface of the lower part of the first fastening screw is provided with a groove.

Preferably, the outer surface of the edge of the upper part of the insertion rod is fixedly connected with a latch, the insertion rod is clamped with the bottom surface of the clamping block through the latch at the top end, and the first fastening screw is in threaded connection with the second threaded hole at the top end of the insertion rod through the first threaded hole.

Preferably, the second fastening screw penetrates through the second threaded hole through the insertion rod and is in contact with and connected with the groove on the outer surface of the first fastening screw in an extrusion mode.

Preferably, the second connecting block and the first connecting block are respectively clamped with a clamping groove on the outer surface of the insertion rod, and the tooth grooves on the side surface of the first connecting block are meshed and clamped with the toothed rail.

Preferably, the threaded rod is in threaded connection with a third threaded hole in the side face of the first connecting block through a sliding groove, and the insertion rod is inserted into the adjusting sleeve through an insertion hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model is characterized in that the second fastening screw is contacted and extruded with the groove on the outer surface of the first fastening screw through the insertion rod penetrating through the second threaded hole, the groove on the outer surface of the lower part of the first fastening screw is provided, the second fastening screw can be extruded with the groove, the first fastening screw is fixed in the first threaded hole, the stability between the clamping block and the insertion rod is improved, the upper edge of the insertion rod is fixedly connected with the latch, the insertion rod is clamped with the bottom surface of the clamping block through the latch on the top end, the clamping block can be stably driven to rotate when rotating, the first fastening screw is spirally connected with the second threaded hole on the top end of the insertion rod through the first threaded hole, the stability of the clamping block on the top end of the insertion rod can be enhanced, the second connecting block and the first connecting block are respectively clamped with the latch on the outer surface of the insertion rod, and the tooth socket on the side of the first connecting block is engaged and clamped with the tooth track, can improve the steadiness of inserted bar in the inside position of spliced eye, the threaded rod passes through the third screw hole screwed connection of spout and first linkage block side to be favorable to adjusting the inserted bar in the inside position of spliced eye, only be greater than the mounting hole of adjusting sleeve diameter, just can carry out effectual regulation and installation, and adjusting sleeve's maximum diameter is less than the diameter of normal mounting hole.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic structural view of the latch device of the present invention;

FIG. 3 is a schematic view of the structure of the adjusting sleeve of the present invention;

fig. 4 is a schematic structural view of the fixing device of the present invention.

In the figure: 1-clamping device, 2-adjusting sleeve, 3-eccentric transmission head, 4-fixing device, 5-plug rod, 6-clamping block, 7-groove, 8-first fastening screw, 9-first threaded hole, 10-second threaded hole, 11-second fastening screw, 12-plug hole, 13-toothed rail, 14-sliding groove, 15-clamping groove, 16-third threaded hole, 17-first connecting block, 18-toothed groove, 19-threaded rod, 20-second connecting block and 21-cross clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an output shaft of an electric ratchet wrench comprises a clamping device 1, an adjusting sleeve 2 and an eccentric transmission head 3, wherein the clamping device 1 is fixedly inserted at one end of the adjusting sleeve 2, the eccentric transmission head 3 is fixedly inserted at the other end of the adjusting sleeve 2, an insertion rod 5 is fixedly installed inside the clamping device 1, one end of the insertion rod 5 is clamped with a clamping block 6, a fixing device 4 is fixedly connected to the bottom end of the insertion rod 5, a second threaded hole 10 is formed in the top end of the insertion rod 5, a second fastening screw 11 is rotatably installed on the outer surface of the upper portion of the insertion rod 5, a first threaded hole 9 is formed in the top of the clamping block 6, a first fastening screw 8 is rotatably installed inside the first threaded hole 9, an insertion hole 12 is formed in the center of the top of the adjusting sleeve 2, a clamping groove 15 is formed in the outer surface of the adjusting sleeve 2, a sliding groove 14 is formed in the center of the inside, a threaded rod 19 is fixedly arranged in the fixing device 4, one end of the threaded rod 19 is fixedly connected with a second connecting block 20, the center of the side surface of the second connecting block 20 is provided with a cross clamping groove 21, the other end of the threaded rod 19 is spirally connected with a first connecting block 17, the side surface of the first connecting block 17 is provided with a tooth socket 18, the center of the side surface of the first connecting block 17 is provided with a third threaded hole 16, a second fastening screw 11 is in contact extrusion connection with a groove 7 on the outer surface of a first fastening screw 8 through an inserting rod 5 penetrating through a second threaded hole 10, the groove 7 is arranged on the outer surface of the lower part of the first fastening screw 8, the second fastening screw 11 can be extruded with the groove 7, the first fastening screw 8 is fixed in the first threaded hole 9, the stability between the clamping block 6 and the inserting rod 5 is improved, the clamping teeth are fixedly connected on the outer surface of the upper edge of the inserting rod 5, and the clamping teeth on the top end of, the connecting rod 5 can be driven to rotate by tightly fastening the clamping block 6 when the connecting block rotates, the first fastening screw 8 is spirally connected with the second threaded hole 10 at the top end of the connecting rod 5 through the first threaded hole 9, the stability of the clamping block 6 at the top end of the connecting rod 5 can be enhanced, the second connecting block 20 and the first connecting block 17 are respectively clamped with the clamping groove 15 on the outer surface of the connecting rod 5, the tooth grooves 18 on the side surface of the first connecting block 17 are engaged and clamped with the tooth rails 13, the stability of the position of the inserting rod 5 in the inserting hole 12 can be improved, the threaded rod 19 is spirally connected with the third threaded hole 16 on the side surface of the first connecting block 17 through the sliding groove 14, therefore, the position of the plug rod 5 in the plug hole 12 can be adjusted, effective adjustment and installation can be performed only through the installation hole larger than the diameter of the adjusting sleeve 2, and the maximum diameter of the adjusting sleeve 2 is smaller than the diameter of the normal installation hole.

The lower part surface of first fastening screw 8 has seted up recess 7, the marginal outer fixed surface in upper portion of inserted link 5 is connected with the latch, inserted link 5 is through the latch on top and the bottom surface looks joint of joint piece 6, first fastening screw 8 is through the second screw hole 10 looks screw connection on first screw hole 9 and inserted link 5 top, second fastening screw 11 runs through second screw hole 10 through inserted link 5 and contacts the extrusion with the recess 7 of the 8 surface of first fastening screw and is connected, second connecting block 20 and first connecting block 17 are respectively with the draw-in groove 15 looks joint of the 5 surface of inserted link, the tooth's socket 18 and the tooth rail 13 looks meshing joint of first connecting block 17 side, threaded rod 19 passes through third screw hole 16 looks screw connection of spout 14 and first connecting block 17 side, inserted link 5 is pegged graft with adjusting sleeve 2 through spliced eye-splice 12.

The working principle is as follows: when the output shaft is adjusted or replaced according to the installation hole of the device, the cross-shaped knife is firstly clamped with the cross clamping groove 21 and drives the threaded rod 19 to rotate, so that one end of the threaded rod 19 is separated from the inside of the third threaded hole 16, the tooth space 18 on the side surface of the first connecting block 17 is separated from the tooth track 13, the clamping block 6 or the eccentric transmission head 3 is pulled to drive the inserting rod 5 to move towards one end of the adjusting sleeve 2 until the threaded rod moves to a proper position, the second connecting block 20 is rotated to drive the threaded rod 19 to be spirally connected with the third threaded hole 16 on the side surface of the first connecting block 17 through the sliding groove 14, so that the tooth space 18 on the side surface of the first connecting block 17 is meshed with the tooth track 13, the position of the inserting rod 5 in the inserting hole 12 is fixed, the overall length of the clamping device 1, the adjusting sleeve 2 and the eccentric transmission head 3 is increased, and the installation with the installation, can change when joint piece 6 or eccentric drive head 3 damages, rotate second fastening screw 11 earlier and pass through the surface phase separation of peg graft 5 and recess 7, then rotate the inside that first fastening screw 8 breaks away from second screw hole 10 and first screw hole 9, again with the top phase separation of joint piece 6 with peg graft 5, then the joint piece 6 of renewal and peg graft 5's top looks joint, the one end at peg graft 5 is fixed with joint piece 6 to rethread first fastening screw 8, and second fastening screw 11 can extrude with recess 7 mutually, fix first fastening screw 8 in the inside of first screw hole 9, thereby improve the steadiness between joint piece 6 and the peg graft 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Electric ratchet spanner output shaft, including latch device (1), adjusting sleeve (2) and eccentric transmission head (3), its characterized in that: the clamping device (1) is fixedly inserted at one end of the adjusting sleeve (2), the eccentric transmission head (3) is fixedly inserted at the other end of the adjusting sleeve (2), an insertion rod (5) is fixedly installed inside the clamping device (1), a clamping block (6) is clamped at one end of the insertion rod (5), a fixing device (4) is fixedly connected to the bottom end of the insertion rod (5), a second threaded hole (10) is formed in the top end of the insertion rod (5), a second fastening screw (11) is rotatably installed on the outer surface of the upper portion of the insertion rod (5), a first threaded hole (9) is formed in the top portion of the clamping block (6), a first fastening screw (8) is rotatably installed inside the first threaded hole (9), an insertion hole (12) is formed in the center of the top portion of the adjusting sleeve (2), and a clamping groove (15) is formed in the outer surface of the adjusting sleeve (2), spout (14) have been seted up at the inside center of draw-in groove (15), rack (13) have been seted up at the edge that the inside of draw-in groove (15) is located spout (14), the inside fixed mounting of fixing device (4) has threaded rod (19), one end fixedly connected with second connecting block (20) of threaded rod (19), cross draw-in groove (21) have been seted up at the side center of second connecting block (20), the other end screwed connection of threaded rod (19) has first connecting block (17), tooth's socket (18) have been seted up to the side of first connecting block (17), third screw hole (16) have been seted up at the side center of first connecting block (17).

2. The power ratchet wrench output shaft of claim 1, wherein: the outer surface of the lower part of the first fastening screw (8) is provided with a groove (7).

3. The power ratchet wrench output shaft of claim 1, wherein: the outer surface of the edge of the upper portion of the insertion rod (5) is fixedly connected with a clamping tooth, the insertion rod (5) is clamped with the bottom surface of the clamping block (6) through the clamping tooth at the top end, and the first fastening screw (8) is in threaded connection with the second threaded hole (10) in the top end of the insertion rod (5) through the first threaded hole (9).

4. The power ratchet wrench output shaft of claim 1, wherein: the second fastening screw (11) penetrates through the second threaded hole (10) through the insertion rod (5) and is in contact extrusion connection with the groove (7) on the outer surface of the first fastening screw (8).

5. The power ratchet wrench output shaft of claim 1, wherein: the second connecting block (20) and the first connecting block (17) are respectively clamped with a clamping groove (15) on the outer surface of the inserting rod (5), and a tooth groove (18) on the side surface of the first connecting block (17) is meshed and clamped with the tooth rail (13).

6. The power ratchet wrench output shaft of claim 1, wherein: the threaded rod (19) is in threaded connection with a third threaded hole (16) in the side face of the first connecting block (17) through the sliding groove (14), and the inserting rod (5) is inserted into the adjusting sleeve (2) through the inserting hole (12).