CN217966780U - Ratchet wrench - Google Patents

Ratchet wrench Download PDF

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Publication number
CN217966780U
CN217966780U CN202222020999.9U CN202222020999U CN217966780U CN 217966780 U CN217966780 U CN 217966780U CN 202222020999 U CN202222020999 U CN 202222020999U CN 217966780 U CN217966780 U CN 217966780U
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China
Prior art keywords
hole
wall
rivet hole
wheel disc
fixing piece
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CN202222020999.9U
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Chinese (zh)
Inventor
魏敬峰
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Guangdong Zolong Metal Products Co ltd
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Guangdong Zolong Metal Products Co ltd
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Priority to CN202222020999.9U priority Critical patent/CN217966780U/en
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Abstract

The utility model discloses a belong to ratchet spanner technical field, specifically be a ratchet spanner, including last mounting, pinion and lower mounting, still include: a reset assembly for making the position of last mounting and lower mounting change under the motionless condition of pinion, and reset assembly connects between last mounting and lower mounting through first coupling assembling, go up the mounting with lower mounting passes through the second coupling assembling and connects on the pinion, reset assembly includes: the ratchet, ratchet fixed mounting is on the pinion, the utility model discloses a reset assembly makes the position of going up mounting and lower mounting change under the motionless condition of pinion, has and solves present ratchet spanner when twisting the screw, if the position of dismouting can not change greatly, just can only the problem of going to the hand that does not stop to can be convenient for the staff uses, has improved the convenience.

Description

Ratchet wrench
Technical Field
The utility model relates to a ratchet spanner technical field specifically is a ratchet spanner.
Background
The ratchet wrench is a manual screw tightening and loosening tool, and is a single-head and double-head double offset ring spanner (with a fixed hole) with a movable handle. The main plum blossom sleeves and the auxiliary plum blossom sleeves with different specifications and sizes are connected in a manner that the female keys and the male keys of the hinged keys are occluded.
When the existing ratchet wrench is used for screwing screws, if the dismounting position cannot be rotated for a large circle, the ratchet wrench and the screws can only be separated ceaselessly, then the position of the ratchet wrench is adjusted, and after the adjustment, the ratchet wrench is used for screwing the screws, so that the use by workers is inconvenient. Thus, a ratchet wrench is invented.
Disclosure of Invention
The present invention has been made in view of the above and/or other problems with prior ratchet wrenches.
Therefore, it is an object of the present invention to provide a ratchet wrench that solves the above-mentioned problems of the prior art.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
a ratchet wrench, which comprises an upper fixing piece, a gear shaft and a lower fixing piece, and further comprises:
the reset assembly is used for changing the positions of the upper fixing piece and the lower fixing piece under the condition that the gear shaft is not moved, the reset assembly is connected between the upper fixing piece and the lower fixing piece through the first connecting assembly, and the upper fixing piece and the lower fixing piece are connected to the gear shaft through the second connecting assembly.
As a preferred scheme of the ratchet wrench of the utility model, wherein: the reset assembly comprises:
the ratchet wheel is fixedly arranged on the gear shaft;
the left end and the right end of the steering piece are respectively fixedly provided with a left tooth and a right tooth which are positioned on one side of the ratchet wheel;
the front end of the wheel disc is the right wheel disc, and the rear end of the wheel disc is the left wheel disc;
the elastic sheet is connected between the steering piece and the wheel disc through a clamping assembly;
an intermediate plastic part;
the elastic assembly is used for preventing the wheel disc from rotating under the condition of no external force and is arranged between the middle plastic part and the wheel disc;
the first copper sleeve is rotatably connected in a steering piece hole formed in the inner wall of the steering piece;
and the second copper sleeve is rotatably connected in a wheel disc hole formed in the inner wall of the wheel disc.
As a preferred embodiment of the ratchet wrench of the present invention, wherein: the clamping assembly comprises:
the first elastic piece clamping position is formed on the inner wall of the right side of the steering piece, and one end of the elastic piece is clamped in the first elastic piece clamping position;
the clamping position of the second elastic sheet is arranged on the inner wall of the left side of the wheel disc, and the other end of the elastic sheet is clamped in the clamping position of the second elastic sheet.
As a preferred embodiment of the ratchet wrench of the present invention, wherein: the elastic assembly includes:
the spring position is arranged on the inner wall of the left side of the middle plastic part;
the spring is clamped in the spring position, and one end of the spring is fixedly arranged on the side wall of the spring position;
and one end of the second steel ball is in contact with the wheel disc, and the second steel ball is fixedly arranged at one end of the spring position.
As a preferred embodiment of the ratchet wrench of the present invention, wherein: the first connection assembly includes:
the upper pin hole is formed in the inner wall of the left side of the upper fixing piece;
the lower pin hole is formed in the inner wall of the left side of the lower fixing piece;
the inner walls of the upper pin hole, the first copper sleeve and the lower pin hole are fixedly provided with a group of pins together;
the first upper rivet hole is formed in the inner wall of the middle end of the upper fixing piece;
the first lower rivet hole is formed in the inner wall of the middle end of the lower fixing piece;
the inner walls of the first upper rivet hole, the second copper sleeve and the first lower rivet hole are fixedly provided with a group of first rivets together;
the second upper rivet hole is formed in the inner wall of the right end of the upper fixing piece;
the first middle rivet hole is formed in the inner wall of the left side of the middle plastic part;
the second lower rivet hole is formed in the inner wall of the right end of the lower fixing piece;
the inner walls of the second upper rivet hole, the first middle rivet hole and the second lower rivet hole are fixedly provided with a group of second rivets together;
a third upper rivet hole formed in the right inner wall of the upper fixing member;
the second middle rivet hole is formed in the inner wall of the right side of the middle plastic part;
the third lower rivet hole is formed in the inner wall of the right side of the lower fixing piece;
and a group of third rivets are fixedly mounted on the inner walls of the third upper rivet hole, the second middle rivet hole and the third lower rivet hole together.
As a preferred embodiment of the ratchet wrench of the present invention, wherein: the second connection assembly includes:
the connecting bayonet is arranged on the top of the gear shaft, and one end of the connecting bayonet penetrates through an upper hole formed in the inner wall of the upper fixing piece;
the fastening nut is fastened on the connecting bayonet through a screw;
the lower hole is formed in the inner wall of the lower fixing piece, and one end of the gear shaft penetrates through the lower hole;
the inner wall of the round elastic sheet is provided with one end of the gear shaft through the positioning component, and one side of the round elastic sheet is provided with a positioning opening for enabling the gear shaft and the round elastic sheet to be in overflowing fit.
As a preferred embodiment of the ratchet wrench of the present invention, wherein: the positioning assembly comprises:
the first steel ball hole is formed in the side wall of the gear shaft;
the second steel ball hole is formed in the side wall of the circular elastic sheet;
the side wall of the batch nozzle is provided with a steel ball positioning hole;
the first steel ball hole, the second steel ball hole and the inner wall of the screwdriver nozzle are fixedly provided with a group of first steel balls together.
As a preferred embodiment of the ratchet wrench of the present invention, wherein: the top of going up the mounting is equipped with about sign, one side of lower mounting is equipped with the buckle.
Compared with the prior art:
through the subassembly that resets under the motionless condition of pinion, make the position of going up mounting and lower mounting change, have and solve present ratchet spanner when twisting the screw, if the position of dismouting can not change the big circle, the problem of just can only going the upset hand that does not stop to can be convenient for the staff uses, improved the convenience.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention.
In the figure: the bolt comprises a screw 10, a fastening nut 20, a pin 30, a first rivet 41, a second rivet 42, a third rivet 43, an upper fixing member 50, an upper hole 51, an upper pin hole 52, left and right marks 53, a first upper rivet hole 54, a second upper rivet hole 55, a third upper rivet hole 56, a first copper bush 61, a second copper bush 62, a gear shaft 70, a ratchet 71, a connecting bayonet 72, a first steel ball hole 73, a first steel ball 80, a steering member 90, a left tooth 91, a right tooth 92, a steering member hole 93, a first spring plate clamping 94, a spring plate 100, a wheel disc 110, a second spring plate clamping 111, a left wheel disc 112, a wheel disc hole 113, a right wheel disc 114, a second steel ball 120, a spring 130, a middle plastic member 140, a spring position 141, a first middle plastic hole 142, a second middle plastic hole 143, a lower fixing member 150, a lower hole 151, a lower pin hole 152, a buckle 153, a first lower rivet hole 154, a second lower rivet hole 155, a third lower plastic hole 156, a round steel sheet positioning hole 161, a second steel screw positioning opening 162 and a second fixing member positioning opening 162.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a ratchet wrench, please refer to fig. 1-2, including last mounting 50, pinion 70 and lower mounting 150, the top of going up mounting 50 is equipped with about sign 53, and one side of lower mounting 150 is equipped with buckle 153.
Further comprising: a reset assembly for changing the positions of the upper fixing member 50 and the lower fixing member 150 without moving the gear shaft 70;
and the reset assembly is connected between the upper fixing member 50 and the lower fixing member 150 by a first connecting assembly, and the upper fixing member 50 and the lower fixing member 150 are connected to the pinion 70 by a second connecting assembly.
The reset assembly includes: the device comprises a ratchet wheel 71, a steering member 90, a wheel disc 110, an elastic sheet 100, an intermediate plastic member 140, an elastic component for preventing the wheel disc 110 from rotating under the condition of no external force, a first copper sleeve 61 and a second copper sleeve 62;
ratchet 71 is fixedly mounted on gear shaft 70, left tooth 91 and right tooth 92 are respectively fixedly mounted at two ends of the left side of steering member 90, and left tooth 91 and right tooth 92 are located at one side of ratchet 71, the front end of wheel disc 110 is wheel disc right 114, the rear end of wheel disc 110 is wheel disc left 112, elastic sheet 100 is connected between steering member 90 and wheel disc 110 through a clamping assembly, an elastic assembly is arranged between middle plastic member 140 and wheel disc 110, first copper bush 61 is rotatably connected in steering member hole 93 formed in the inner wall of steering member 90, and second copper bush 62 is rotatably connected in wheel disc hole 113 formed in the inner wall of wheel disc 110.
The clamping assembly comprises: a first spring clip 94 and a second spring clip 111;
the first clip position 94 is disposed on the right inner wall of the steering member 90, and one end of the clip 100 is engaged with the first clip position 94, the second clip position 111 is disposed on the left inner wall of the wheel disc 110, and the other end of the clip 100 is engaged with the second clip position 111.
The elastic component comprises: a spring position 141, a spring 130 and a second steel ball 120;
the spring seat 141 is opened on the left inner wall of the middle plastic part 140, the spring 130 is clamped in the spring seat 141, one end of the spring 130 is fixedly installed on the side wall of the spring seat 141, one end of the second steel ball 120 is in contact with the wheel disc 110, and the second steel ball 120 is fixedly installed on one end of the spring seat 141.
The first connection assembly includes: upper pin hole 52, lower pin hole 152, pin 30, first upper rivet hole 54, first lower rivet hole 154, first rivet 41, second upper rivet hole 55, first middle rivet hole 142, second lower rivet hole 155, second rivet 42, third upper rivet hole 56, second middle rivet hole 143, third lower rivet hole 156, third rivet 43;
the upper pin hole 52 is formed on the left inner wall of the upper fixing member 50, the lower pin hole 152 is formed on the left inner wall of the lower fixing member 150, the upper pin hole 52, the inner walls of the first copper bush 61 and the lower pin hole 152 jointly fix and mount the group of pins 30, the first upper rivet hole 54 is formed on the middle inner wall of the upper fixing member 50, the first lower rivet hole 154 is formed on the middle inner wall of the lower fixing member 150, the first upper rivet hole 54, the inner walls of the second copper bush 62 and the first lower rivet hole 154 jointly fix and mount the group of first rivets 41, the second upper rivet hole 55 is formed on the right inner wall of the upper fixing member 50, the first middle rivet hole 142 is formed on the left inner wall of the middle plastic member 140, the second lower rivet hole 155 is formed on the right inner wall of the lower fixing member 150, the second upper rivet hole 55, the inner walls of the first middle rivet hole 142 and the second lower rivet hole 155 jointly fix and mount the group of second rivets 42, the third upper rivet hole 56 is formed on the right inner wall of the middle plastic member 50, the second middle rivet hole 143, the inner walls of the middle rivet hole 143 are formed on the third lower fixing member 150, and the inner walls of the third lower fixing member 143 are formed on the third lower fixing member 143, and the third inner walls of the third lower fixing member 143.
The second connection assembly includes: the connecting bayonet 72, the fastening screw cap 20, the lower hole 151 and the round spring piece 160;
the connecting bayonet 72 is arranged on the top of the gear shaft 70, one end of the connecting bayonet 72 penetrates through the upper hole 51 formed in the inner wall of the upper fixing part 50, the fastening nut 20 is fastened on the connecting bayonet 72 through the screw 10, the lower hole 151 is formed in the inner wall of the lower fixing part 150, one end of the gear shaft 70 penetrates through the lower hole 151, one end of the gear shaft 70 is installed on the inner wall of the round spring piece 160 through the positioning component, and one side of the round spring piece 160 is provided with a positioning hole 161 which is used for enabling the gear shaft 70 and the round spring piece 160 to be in overflowing fit.
The positioning assembly includes: a first steel ball hole 73, a second steel ball hole 162, a batch nozzle 170, a first steel ball 80;
the first steel ball hole 73 is formed in the side wall of the gear shaft 70, the second steel ball hole 162 is formed in the side wall of the circular elastic sheet 160, a steel ball positioning hole is formed in the side wall of the batch nozzle 170, and a group of first steel balls 80 are fixedly mounted on the inner walls of the first steel ball hole 73, the second steel ball hole 162 and the batch nozzle 170 together.
The working principle is as follows: after the screwdriver mouth 170 is clamped with a positioning hole in an external screw, the upper fixing piece 50 and the lower fixing piece 150 are held by hands, the wheel disc 110 is rotated through the left wheel disc 112 or the right wheel disc 114, when the wheel disc 110 rotates, the steering piece 90 rotates under the action of the elastic sheet 100, when the steering piece 90 rotates, the left tooth 91 or the right tooth 92 extrudes one side of the ratchet wheel 71 to enable the tooth shaft 70 to rotate, so that the external screw is screwed down, after the left wheel disc 112 or the right wheel disc 114 rotates for a certain distance, the external force is removed, after the external force is removed, the wheel disc 110 rotates under the action of the elastic sheet 100 to enable the left tooth 91 or the right tooth 92 to return to the original position, at the moment, the left wheel disc 112 or the right wheel disc 114 rotates, and the process is repeated until the screw is gradually screwed down;
when the screw is gradually tightened, the wheel disc left 112 or the wheel disc right 114 is pressed to prevent the wheel disc 110 from rotating, at this time, the upper fixing piece 50 and the lower fixing piece 150 are rotated, when the upper fixing piece 50 and the lower fixing piece 150 rotate, the left tooth 91 or the right tooth 92 extrudes one side of the ratchet wheel 71 to rotate the tooth shaft 70, so that the screw is tightened, after the upper fixing piece 50 and the lower fixing piece 150 rotate for a certain distance, the force applied to the upper fixing piece 50 and the lower fixing piece 150 is removed, after the external force is removed, the upper fixing piece 50 and the lower fixing piece 150 are restored to the original positions under the action of the elastic sheet 100, and the process is repeated until the screw is completely tightened.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. A ratchet wrench comprising an upper fixture (50), a pinion (70), and a lower fixture (150), characterized by further comprising:
the reset assembly is used for changing the positions of the upper fixing piece (50) and the lower fixing piece (150) under the condition that the gear shaft (70) is not moved, the reset assembly is connected between the upper fixing piece (50) and the lower fixing piece (150) through a first connecting assembly, and the upper fixing piece (50) and the lower fixing piece (150) are connected to the gear shaft (70) through a second connecting assembly.
2. The ratchet wrench of claim 1, wherein the reset assembly comprises:
the ratchet wheel (71), the said ratchet wheel (71) is fixedly mounted on gear shaft (70);
the left end of the steering piece (90) is fixedly provided with a left tooth (91) and a right tooth (92) respectively, and the left tooth (91) and the right tooth (92) are positioned on one side of the ratchet wheel (71);
the front end of the wheel disc (110) is a right wheel disc (114), and the rear end of the wheel disc (110) is a left wheel disc (112);
the spring plate (100) is connected between the steering piece (90) and the wheel disc (110) through a clamping assembly;
an intermediate plastic member (140);
the elastic component is used for preventing the wheel disc (110) from rotating under the condition of no external force, and is arranged between the middle plastic part (140) and the wheel disc (110);
the first copper sleeve (61), the first copper sleeve (61) is rotatably connected in a steering member hole (93) formed in the inner wall of the steering member (90);
and the second copper sleeve (62) is rotatably connected in a wheel disc hole (113) formed in the inner wall of the wheel disc (110).
3. The ratchet wrench of claim 2, wherein the clamping assembly comprises:
the first elastic piece clamping position (94), the first elastic piece clamping position (94) is arranged on the inner wall of the right side of the steering piece (90), and one end of the elastic piece (100) is clamped in the first elastic piece clamping position (94);
the second elastic piece clamping position (111) is arranged on the inner wall of the left side of the wheel disc (110), and the other end of the elastic piece (100) is clamped in the second elastic piece clamping position (111).
4. The ratchet wrench of claim 2, wherein the spring assembly comprises:
the spring position (141) is arranged on the inner wall of the left side of the middle plastic part (140);
the spring (130) is clamped in the spring position (141), and one end of the spring (130) is fixedly installed on the side wall of the spring position (141);
and one end of the second steel ball (120) is in contact with the wheel disc (110), and the second steel ball (120) is fixedly mounted at one end of the spring position (141).
5. The ratchet wrench of claim 2, wherein the first coupling assembly comprises:
the upper pin hole (52), the upper pin hole (52) is arranged on the left inner wall of the upper fixing piece (50);
the lower pin hole (152) is formed in the inner wall of the left side of the lower fixing piece (150);
the inner walls of the upper pin hole (52), the first copper sleeve (61) and the lower pin hole (152) are fixedly provided with a group of pins (30) together;
the first upper rivet hole (54) is formed in the inner wall of the middle end of the upper fixing piece (50);
the first lower rivet hole (154) is formed in the inner wall of the middle end of the lower fixing piece (150);
a first rivet (41), wherein a group of first rivets (41) are fixedly arranged on the inner walls of the first upper rivet hole (54), the second copper sleeve (62) and the first lower rivet hole (154);
the second upper rivet hole (55), the second upper rivet hole (55) is arranged on the inner wall of the right end of the upper fixing piece (50);
the first middle rivet hole (142), the first middle rivet hole (142) is opened on the left inner wall of the middle plastic part (140);
the second lower rivet hole (155), the second lower rivet hole (155) is set up on the right end inner wall of the lower fixing member (150);
a second rivet (42), wherein a group of second rivets (42) are fixedly arranged on the inner walls of the second upper rivet hole (55), the first middle rivet hole (142) and the second lower rivet hole (155);
a third upper rivet hole (56), wherein the third upper rivet hole (56) is formed in the right inner wall of the upper fixing piece (50);
a second middle rivet hole (143), wherein the second middle rivet hole (143) is formed in the right inner wall of the middle plastic part (140);
a third lower rivet hole (156), wherein the third lower rivet hole (156) is formed in the right inner wall of the lower fixing member (150);
and a third rivet (43), wherein a group of third rivets (43) are fixedly arranged on the inner walls of the third upper rivet hole (56), the second middle rivet hole (143) and the third lower rivet hole (156) together.
6. The ratchet wrench of claim 1, wherein the second coupling assembly comprises:
the connecting bayonet (72) is arranged on the top of the gear shaft (70), and one end of the connecting bayonet (72) penetrates through an upper hole (51) formed in the inner wall of the upper fixing piece (50);
a fastening nut (20), wherein the fastening nut (20) is fastened on the connecting bayonet (72) through a screw (10);
the lower hole (151) is formed in the inner wall of the lower fixing piece (150), and one end of the gear shaft (70) penetrates through the lower hole (151);
the inner wall of the round elastic sheet (160) is provided with one end of the gear shaft (70) through the positioning component, and one side of the round elastic sheet (160) is provided with a positioning opening (161) which is used for enabling the gear shaft (70) and the round elastic sheet (160) to be in overflowing fit.
7. The ratchet wrench of claim 6, wherein the positioning assembly comprises:
the first steel ball hole (73), the first steel ball hole (73) is arranged on the side wall of the gear shaft (70);
the second steel ball hole (162) is formed in the side wall of the round elastic sheet (160);
the side wall of the batching nozzle (170) is provided with a steel ball positioning hole;
the first steel ball (80), the first steel ball hole (73), the second steel ball hole (162) and the inner wall of the screwdriver tip (170) are fixedly provided with a group of first steel balls (80) together.
8. The ratchet wrench as claimed in claim 1, wherein the upper fixing member (50) is provided at the top with left and right marks (53), and the lower fixing member (150) is provided at one side with a catch (153).
CN202222020999.9U 2022-08-02 2022-08-02 Ratchet wrench Active CN217966780U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222020999.9U CN217966780U (en) 2022-08-02 2022-08-02 Ratchet wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222020999.9U CN217966780U (en) 2022-08-02 2022-08-02 Ratchet wrench

Publications (1)

Publication Number Publication Date
CN217966780U true CN217966780U (en) 2022-12-06

Family

ID=84255276

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222020999.9U Active CN217966780U (en) 2022-08-02 2022-08-02 Ratchet wrench

Country Status (1)

Country Link
CN (1) CN217966780U (en)

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