CN211332951U - Adjustable ratchet wrench structure - Google Patents

Adjustable ratchet wrench structure Download PDF

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Publication number
CN211332951U
CN211332951U CN201921787226.5U CN201921787226U CN211332951U CN 211332951 U CN211332951 U CN 211332951U CN 201921787226 U CN201921787226 U CN 201921787226U CN 211332951 U CN211332951 U CN 211332951U
Authority
CN
China
Prior art keywords
clamping
hollow
shaft
ratchet
wrench head
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
Application number
CN201921787226.5U
Other languages
Chinese (zh)
Inventor
何邦贵
葛正斌
苏林林
贾环
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming University of Science and Technology
Original Assignee
Kunming University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN201921787226.5U priority Critical patent/CN211332951U/en
Application granted granted Critical
Publication of CN211332951U publication Critical patent/CN211332951U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an adjustable ratchet spanner structure, including rubber handle, spanner, still include adjust knob, hollow ratchet axle, jack catch, chuck body, gland, have the ladder hollow flange axle of plane screw thread. The utility model has reasonable design, simple operation and convenient popularization; the adjustable centering clamping mechanism is arranged, the plane threads drive the clamping jaws to increase or reduce by rotating the knob, and the adjustable centering clamping mechanism is suitable for hexagonal bolts with different sizes and specifications and can meet different use requirements; a bidirectional ratchet mechanism is arranged; when the hexagon head bolt is installed and disassembled, the hexagon head bolt can rotate towards two different directions and can rotate continuously, the operation of taking down and realigning is avoided, the operation time is saved, and the working efficiency is improved.

Description

Adjustable ratchet wrench structure
Technical Field
The utility model relates to an adjustable ratchet spanner structure belongs to installation and extracting tool technical field.
Background
Threaded connections are one of the main disconnectable connections in mechanical connections, among which hexagon head bolts are widely used. The wrench is a main tool for installing and disassembling the hexagon head bolt, and due to the difference of the sizes and specifications of the bolt, the wrench which is different in size and matched with the bolt needs to be replaced in the installation and disassembly process, and needs to be taken down and realigned after rotating a certain angle, so that the operation is troublesome and the tool is messy. The existing ratchet wrench realizes continuous rotation, solves the problem of realignment, but has fixed caliber size and unadjustable size, still needs various ratchet wrenches with different sizes in the use process, is messy to store, is easy to lose, has heavy weight and is inconvenient to carry.
Disclosure of Invention
The utility model provides an adjustable ratchet spanner structure to an elasticity for realizing the bolt.
The technical scheme of the utility model is that: an adjustable ratchet wrench structure comprises a rubber handle 1, a handle 2, a wrench head 4, an adjusting knob 6, a hollow ratchet shaft 8, a jaw 9, a chuck body 10, a gland 11 and a stepped hollow flange shaft 21 with a plane thread 22;
wherein the inner side of the wrench head 4 is connected with a hollow ratchet shaft 8, one side of the hollow ratchet shaft 8, which extends out of the wrench head 4, is provided with a screw hole II 17, the hollow ratchet shaft is connected with a chuck body 10 through a screw II 7, the chuck body 10 is provided with a clamping groove 3, a clamping jaw 9 is arranged in the clamping groove 3, and a groove on the side surface of the clamping jaw 9 is matched with the clamping groove 3 to play a role in installation and guide; the flange shaft 21 is arranged on the inner side of the hollow ratchet shaft 8, one end of the flange shaft 21 with a plane thread 22 is in threaded fit with the bottom surface of the clamping jaw 9, and the adjusting knob 6 is rotated to realize centering and clamping; the other end of the flange shaft 21 is a small end and is arranged on a hole 16 on the wrench head 4, and the small end of the flange shaft 21 is connected with the adjusting knob 6 through a flat key 20; an arc-shaped groove 13 is formed in the inner side of the wrench head 4, a bidirectional locking claw 14 is installed in the arc-shaped groove 13, a pin 18 fixedly connected to the locking claw 14 is connected with an outer reversing button 12, the locking claw 14 is Y-shaped, a pressure spring limiting stopper 19 is arranged on the arc-shaped groove 13 and used for being in contact with one end of the locking claw 14, and by shifting the reversing button 12, one end of two ends, provided with clamping teeth, of the locking claw 14 is matched with clamping teeth on the outer ring of the hollow ratchet shaft 8, so that the hollow ratchet shaft 8 is turned; the gland 11 is mounted on the outside of the wrench head 4.
The pressure spring limiter 19 is composed of a spring and a clamping ball, a hole is formed in the arc-shaped groove 13 and used for installing the spring, and the clamping ball exposes out of the hemisphere from the hole.
The inner side of the wrench head 4 is provided with a screw hole I15, and the gland 11 is installed on the wrench head 4 through a screw I5.
The utility model has the advantages that: the utility model has reasonable design, simple operation and convenient popularization; the adjustable centering clamping mechanism is arranged, the plane threads drive the clamping jaws to increase or reduce by rotating the knob, and the adjustable centering clamping mechanism is suitable for hexagonal bolts with different sizes and specifications and can meet different use requirements; a bidirectional ratchet mechanism is arranged; when the hexagon head bolt is installed and disassembled, the hexagon head bolt can rotate towards two different directions and can rotate continuously, the operation of taking down and realigning is avoided, the operation time is saved, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the two-way ratchet mechanism of the present invention;
FIG. 3 is a schematic view of a cutting structure of the adjustable centering and clamping mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the chuck body and the jaws of the present invention;
fig. 5 is a schematic structural view of the hollow stepped flange shaft of the present invention;
FIG. 6 is a schematic structural view of the chuck body of the present invention;
fig. 7 is a schematic structural view of the jaw of the present invention;
FIG. 8 is a schematic structural view of the hollow ratchet shaft of the present invention;
fig. 9 is a schematic structural view of the pressure spring stopper of the present invention;
FIG. 10 is a schematic view of the wrench head of the present invention;
the reference numbers in the figures: 1-rubber handle, 2-handle, 3-neck, 4-wrench head, 5-screw I, 6-adjusting knob, 7-screw II, 8-hollow ratchet shaft, 9-jaw, 10-chuck body, 11-gland, 12-reversing button, 13-arc groove, 14-stopping jaw, 15-screw hole I, 16-hole, 17-screw hole II, 18-pin, 19-pressure spring limiter, 20-flat key, 21-step hollow flange shaft and 22-plane thread.
Detailed Description
Example 1: as shown in fig. 1-10, an adjustable ratchet wrench structure comprises a rubber handle 1, a handle 2, a wrench head 4, an adjusting knob 6, a hollow ratchet shaft 8, a jaw 9, a chuck body 10, a gland 11, a stepped hollow flange shaft 21 with a plane thread 22; wherein the inner side of the wrench head 4 is provided with a hollow ratchet shaft 8 in clearance fit, one side of the hollow ratchet shaft 8, which extends out of the wrench head 4, is provided with a screw hole II 17 and is connected with a chuck body 10 through a screw II 7, the chuck body 10 is provided with a clamping groove 3, a clamping jaw 9 is arranged in the clamping groove 3, and a groove on the side surface of the clamping jaw 9 is matched with the clamping groove 3 to play a role in installation and guidance; the flange shaft 21 is arranged on the inner side of the hollow ratchet shaft 8, one end of the flange shaft 21 with a plane thread 22 is in threaded fit with the bottom surface of the clamping jaw 9, and the adjusting knob 6 is rotated to realize centering and clamping; the other end of the flange shaft 21 is a small end which is arranged on a hole 16 on the spanner head 4 in clearance fit, and the small end of the flange shaft 21 is connected with the adjusting knob 6 through a flat key 20; an arc-shaped groove 13 is formed in the inner side of the wrench head 4, a bidirectional locking claw 14 is installed in the arc-shaped groove 13, a pin 18 fixedly connected to the locking claw 14 is connected with an outer reversing button 12, the locking claw 14 is Y-shaped, a pressure spring limiting stopper 19 is arranged on the arc-shaped groove 13 and used for being in contact with one end of the locking claw 14, and by shifting the reversing button 12, one end of two ends, provided with clamping teeth, of the locking claw 14 is matched with clamping teeth on the outer ring of the hollow ratchet shaft 8, so that the hollow ratchet shaft 8 is turned; the gland 11 is arranged on the outer side of the wrench head 4, so that dust is prevented conveniently, and the axial movement of the hollow ratchet shaft 8 is limited.
Further, the pressure spring limiter 19 can be arranged to be composed of a spring and a clamping ball, a hole is formed in the arc-shaped groove 13 and used for installing the spring, one end of the spring is fixedly welded with the hole, the clamping ball is fixedly connected to the other end of the spring, and the clamping ball hemisphere is exposed out of the hole.
Further, a screw hole I15 can be arranged on the inner side of the wrench head 4, the gland 11 is installed on the wrench head 4 through a screw I5, the clamping tooth side of the hollow ratchet shaft 8 is limited in the wrench head, the axial movement of the hollow ratchet shaft 8 is limited by limiting the axial movement of the clamping tooth, and lubricating grease is added to the whole concave part of the wrench head 4, namely the inner side of the gland 11.
The utility model discloses the use does:
when the adjustable ratchet wrench is used, an operator determines the rotation direction of the ratchet according to the specific operations of installation and disassembly, when the position is shown in figure 2, one end of the locking claw 14 is positioned at the right side of the clamping bead, the hollow ratchet shaft 8 can rotate anticlockwise, if the rotation direction needs to be converted, the reversing button 12 is shifted, the reversing button 12 drives the locking claw 14 to rotate clockwise, so that the other end of the locking claw 14 is contacted with the hollow ratchet shaft 8, and the clockwise rotation can be realized; the adjusting knob 6 is rotated rightwards, the adjusting knob 6 drives the stepped hollow flange shaft 21 to rotate through the flat key 20, the plane thread 22 at the large end of the stepped hollow flange shaft 21 drives the clamping jaws 9 to move inwards along the clamping grooves, and similarly, when the rotating directions are opposite, the clamping jaws 9 move outwards; the stepped hollow flange shaft 21 and the chuck body 10 are hollow structures, so that bolts can conveniently extend into the stepped hollow flange shaft and the chuck body when the nuts are tightened and loosened; the opening size of the six clamping jaws 9 is matched with the size of a hexagon head bolt needing to be tightened by rotating the adjusting knob 6, the opening size cannot be changed by self due to the self-locking property of the thread transmission, and the opening size can be changed only by rotating the adjusting knob; at this time, the handle 2 is shaken to operate, and the operation of loosening and tightening the hexagon head bolt can be completed.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (3)

1. The utility model provides an adjustable ratchet spanner structure, includes rubber handle (1), handle (2), spanner (4), its characterized in that: the clamping jaw type ratchet wheel further comprises an adjusting knob (6), a hollow ratchet shaft (8), a clamping jaw (9), a clamping chuck body (10), a pressing cover (11) and a stepped hollow flange shaft (21) with a plane thread (22);
the wrench head is characterized in that a hollow ratchet shaft (8) is connected to the inner side of the wrench head (4), a screw hole II (17) is formed in one side, extending out of the wrench head (4), of the hollow ratchet shaft (8), the hollow ratchet shaft is connected with a chuck body (10) through a screw II (7), a clamping groove (3) is formed in the chuck body (10), a clamping jaw (9) is installed in the clamping groove (3), and a groove in the side face of the clamping jaw (9) is matched with the clamping groove (3) to play a role in installation and guiding; the flange shaft (21) is arranged on the inner side of the hollow ratchet shaft (8), one end of the flange shaft (21) with a plane thread (22) is in threaded fit with the bottom surface of the clamping jaw (9), and the adjusting knob (6) is rotated to realize centering clamping; the other end of the flange shaft (21) is a small end and is arranged on a hole (16) on the wrench head (4), and the small end of the flange shaft (21) is connected with the adjusting knob (6) through a flat key (20); an arc-shaped groove (13) is formed in the inner side of the wrench head (4), a bidirectional locking claw (14) is installed in the arc-shaped groove (13), a pin (18) fixedly connected to the locking claw (14) is connected with an outer reversing button (12), the locking claw (14) is Y-shaped, a pressure spring limiter (19) is arranged on the arc-shaped groove (13) and used for being in contact with one end of the locking claw (14), and by shifting the reversing button (12), one end of two ends, provided with clamping teeth, of the locking claw (14) is matched with the clamping teeth on the outer ring of the hollow ratchet shaft (8), so that the hollow ratchet shaft (8) can be turned; the gland (11) is arranged on the outer side of the wrench head (4).
2. The adjustable ratchet wrench structure of claim 1, wherein: the pressure spring limiter (19) is composed of a spring and a clamping ball, a hole is formed in the arc-shaped groove (13) and used for installing the spring, and the clamping ball exposes out of the hemisphere from the hole.
3. The adjustable ratchet wrench structure of claim 1, wherein: the inner side of the wrench head (4) is provided with a screw hole I (15), and the gland (11) is installed on the wrench head (4) through a screw I (5).
CN201921787226.5U 2019-10-23 2019-10-23 Adjustable ratchet wrench structure Expired - Fee Related CN211332951U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921787226.5U CN211332951U (en) 2019-10-23 2019-10-23 Adjustable ratchet wrench structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921787226.5U CN211332951U (en) 2019-10-23 2019-10-23 Adjustable ratchet wrench structure

Publications (1)

Publication Number Publication Date
CN211332951U true CN211332951U (en) 2020-08-25

Family

ID=72138055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921787226.5U Expired - Fee Related CN211332951U (en) 2019-10-23 2019-10-23 Adjustable ratchet wrench structure

Country Status (1)

Country Link
CN (1) CN211332951U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112775881A (en) * 2020-12-24 2021-05-11 刘可夫 Spanner of mobile regulation
CN112846741A (en) * 2021-01-15 2021-05-28 电子科技大学 Self-positioning and self-adaptive nut screwing device
CN114378569A (en) * 2022-02-25 2022-04-22 北京航空航天大学 Robot execution device with bolt automatic assembly function

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112775881A (en) * 2020-12-24 2021-05-11 刘可夫 Spanner of mobile regulation
CN112846741A (en) * 2021-01-15 2021-05-28 电子科技大学 Self-positioning and self-adaptive nut screwing device
CN112846741B (en) * 2021-01-15 2022-01-11 电子科技大学 Self-positioning and self-adaptive nut screwing device
CN114378569A (en) * 2022-02-25 2022-04-22 北京航空航天大学 Robot execution device with bolt automatic assembly function
CN114378569B (en) * 2022-02-25 2023-08-18 北京航空航天大学 Robot executive device with bolt automatic assembly function

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GR01 Patent grant
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: 20200825

Termination date: 20211023