CN203357339U - Ratchet wheel structure of ratchet wrench - Google Patents
Ratchet wheel structure of ratchet wrench Download PDFInfo
- Publication number
- CN203357339U CN203357339U CN 201320429985 CN201320429985U CN203357339U CN 203357339 U CN203357339 U CN 203357339U CN 201320429985 CN201320429985 CN 201320429985 CN 201320429985 U CN201320429985 U CN 201320429985U CN 203357339 U CN203357339 U CN 203357339U
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- ratchet
- brake
- storage tank
- tumbler
- screw
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Abstract
The utility model provides a ratchet wheel structure of a ratchet wrench. The ratchet wheel structure of the ratchet wrench mainly comprises a main body, wherein the main body comprises a containing chamber and a containing groove; a steering member is pivoted into the containing groove of the main body by a control member; the control member is arranged on an outer sidewall surface of the main body; a ratchet wheel is arranged in the containing chamber of the main body and is provided with a ratchet; two brake members are oppositely arranged in the containing groove of the main body and are provided with brake teeth respectively; the brake teeth of the two brake members are engaged with the ratchet of the ratchet wheel; the opposite outer side surfaces of the two brake members are supported by a spring respectively; a cover plate covers the groove of the main body; the ratchet wheel structure of the ratchet wrench is characterized in that the ratchet of the ratchet wheel is like an inwards concave arc; the brake teeth of the brake members are arranged to be outwards convex arc shaped to match with the inwards concave arc shaped ratchet of the ratchet wheel. Therefore, the ratchet wheel structure of the ratchet wrench can realize optimal clamping and braking effects and excellent stability during transmission as the ratchet of the ratchet wheel is mutually engaged with the brake teeth of the brake members.
Description
Technical field
The utility model is relevant for a kind of ratchet structure of ratchet spanner, the ratchet that refers to especially ratchet is established and is the indent arcuation, the brake tooth of brake component is established and is outer convex arc-shape, rely on the brake tooth of the ratchet of ratchet and brake component intermeshing, can reach the effect of best clip braking, and have stability during transmission.
Background technology
Be generally the locking and the dismounting that coordinate different types of bolt or nut, mostly to rely on ratchet spanner to coordinate different sleeves to use, and general ratchet spanner 1, refer to shown in Fig. 1, mainly be provided with a wrench body 10, this wrench body 10 is provided with a storage tank 100 and a bearing groove 101, this storage tank 100 is provided with an open-work 102, this bearing groove 101 is provided with a control delthyrium 103, the wall of this bearing groove 101 is provided with a shrinkage pool 104, one driving wheel 11 is located in the storage tank 100 of this wrench body 10, one adjustment block 12 is located in the bearing groove 101 of this wrench body 10, the gear teeth 110 on this driving wheel 11 are intermeshing with the teeth 120 of this adjustment block 12, this driving wheel 11 is provided with telescoping column 111, and the middle part of the opposite side of this adjustment block 12 is provided with convex body 121, the both sides of this convex body 121 are formed with cancave cambered surface 122, and be provided with a location steel ball 13 and a spring 14 in the shrinkage pool 104 of this wrench body 10, this positioning ball 13 supports to be located on a wherein cancave cambered surface 122 of this adjustment block 12, one control handle 15 is located on the lateral surface of this wrench body 10, this control handle 15 also relies on an axostylus axostyle 16 to be connected with adjustment block 12, one catch 17 is covered on this wrench body 10, rely on bolting element 18 that this catch 17 is fixedly arranged on this wrench body 10, this catch 17 is provided with the sleeve hole 170 that the telescoping column 111 for driving wheel 11 wears, reach a shaft lever hole 171 worn for axostylus axostyle 16, so, to stir control handle 15, come interlock adjustment block 12 to rotate, one end of adjustment block 12 is transferred on a side wall surface of the bearing groove 101 that is posted by wrench body 10, rely on the braking that supports of adjustment block 12, to reach the single-direction transmission of driving wheel 11, yet, the driving wheel 11 of general ratchet spanner 1 and the teeth 120 of adjustment block 12 contacting for point or straight line when meshing, engaged transmission that can't be stable, therefore have the jumping tooth, the untrue situation of transmission produces, can't really reach the effect of clip braking, and when being used, operation can produce larger noise because jumping tooth.
The utility model content
Existing disappearance when the utility model can effectively solve existing ratchet spanner use.
Main purpose of the present utility model, be to provide a kind of ratchet structure of ratchet spanner, transmission that can be more stable, and can conveniently switch the braking direction of ratchet, can reach best clip braking effect.
For reaching above-mentioned purpose, the utility model provides a kind of ratchet structure of ratchet spanner, be provided with a body, one end of this body is provided with lever, and this body is provided with a room and storage tank, and this storage tank is connected with this room, the wall of this storage tank is provided with two relative bearing grooves, separately be provided with a break-through on the outer side surface of this body in the open-work of this room, be positioned at the outer groove that is arranged with of this room and this storage tank on the front of this body, the inner face of this groove is provided with at least two screws; One tumbler, be located in the storage tank of this body, and this tumbler is hubbed in this storage tank by a control piece, and this control piece is located on the outer side surface of this body, and this tumbler is provided with a screw; One ratchet, be located in the room of this body, and this ratchet is provided with ratchet, and an end of this ratchet is provided with positioning convex body, and this ratchet other end is provided with sleeve extension rod; Two brake components, relatively be located in the storage tank of this body, two these brake components are equipped with brake tooth, and the brake tooth of two these brake components is meshed with the ratchet of this ratchet, respectively be provided with a spring on the relative lateral surface of two these brake components, two these springs are arranged at respectively in relative two these bearing grooves of this body; One cover plate, be covered on the groove of this body, this cover plate is provided with an open-work, position corresponding to the screw on the screw on the groove of this body and this tumbler on this cover plate is equipped with a perforation, respectively in this perforation, all be equipped with screw, respectively this screw respectively spiral shell be located at the screw of this body and the screw of this tumbler;
Wherein, the ratchet of this ratchet is the indent arcuation, and the ratchet that the brake tooth of this brake component coordinates this ratchet to be the indent arcuation is outer convex arc-shape.
The ratchet structure of described ratchet spanner, wherein, the wall of the storage tank of this body is provided with two relative caulking grooves, one end of two these brake components is equipped with a location convex body, the other end of two these brake components is provided with brake tooth, the positioning convex body of this brake component is embedded in the caulking groove of this body, and the brake tooth of this brake component is meshed with the ratchet of this ratchet.
The ratchet structure of described ratchet spanner, wherein, an end of this tumbler is arc surface, the other end of this tumbler is the plane that two sides are relative gradually-reducing shape.
The ratchet structure of the utility model ratchet spanner, its advantage is: the braking direction of switching ratchet that can be stable, and can reach best clip braking effect, and have stability during transmission, and the noise produced can reduce operation the time.
The accompanying drawing explanation
Figure 1 shows that the three-dimensional exploded view of existing ratchet spanner;
Figure 2 shows that the three-dimensional exploded view of the utility model embodiment;
Figure 3 shows that the assembled sectional view of the utility model embodiment;
Figure 4 shows that the utility model embodiment switches the schematic diagram of ratchet clip braking direction;
Figure 5 shows that use schematic diagram when the utility model embodiment dallies;
Figure 6 shows that the utility model embodiment switches the schematic diagram of ratchet to another clip braking direction.
Description of reference numerals: 1-ratchet spanner; The 10-wrench body; The 100-storage tank; 101-bearing groove; The 102-open-work; 103-controls delthyrium; The 104-shrinkage pool; The 11-driving wheel; The 110-gear teeth; The 111-telescoping column; The 12-adjustment block; The 120-teeth; The 121-convex body; The 122-cancave cambered surface; The 13-positioning ball; The 14-spring; The 15-control handle; The 16-axostylus axostyle; The 17-catch; The 170-sleeve hole; The 171-shaft lever hole; The 18-bolting element; The 2-body; The 20-lever; The 21-room; The 22-storage tank; 23-bearing groove; The 24-caulking groove; The 25-open-work; The 26-groove; The 27-screw; The 3-tumbler; The 30-control piece; The 31-arc surface; The 32-plane; The 33-screw; The 4-ratchet; The 40-ratchet; The 41-positioning convex body; The 42-sleeve extension rod; The 5-brake component; The 50-positioning convex body; The 51-brake tooth; The 52-spring; The 6-brake component; The 60-positioning convex body; The 61-brake tooth; The 62-spring; The 7-cover plate; The 70-open-work; 71-the first perforation; 72-the second perforation; 73-the first screw; 74 second screws.
The specific embodiment
About the utility model is to reach above-mentioned application target and effect, the technological means adopted, hereby enumerate better feasible embodiment, and coordinate shown in accompanying drawing, and details are as follows:
Embodiment of the present utility model, refer to shown in Fig. 2～Fig. 4, mainly be provided with a body 2, one end of this body 2 is provided with lever 20, this body 2 is provided with a room 21 and storage tank 22, this storage tank 22 is connected with this room 21, the wall of this storage tank 22 is provided with two relative bearing grooves 23, the wall of this storage tank 22 is provided with two relative caulking grooves 24, separately be provided with a break-through on the outer side surface of this body 2 in the open-work 25 of this room 21, be positioned at the outer groove 26 that is arranged with of this room 21 and this storage tank 22 on the front of this body 2, the inner face of this groove 26 is provided with at least two screws 27, one tumbler 3, be located in the storage tank 22 of this body 2, this tumbler 3 is hubbed in this storage tank 22 by a control piece 30, this control piece 30 is located on the outer side surface of this body 2, one end of this tumbler 3 is arc surface 31, and the other end of this tumbler 3 is the plane 32 that two sides are relative gradually-reducing shape, in other words, the cross section of this tumbler 3 is covering of the fan, and this tumbler 3 is provided with a screw 33, one ratchet 4, be located in the room 21 of this body 2, and the ratchet 40 of this ratchet 4 is the indent arcuation, and an end of this ratchet 4 is provided with positioning convex body 41, and the other end is provided with sleeve extension rod 42, two brake components 5,6, relatively be located in the storage tank 22 of this body 2, one end of two these brake components 5,6 is equipped with a location convex body 50,60, the other end of two these brake components 5,6 is equipped with brake tooth 51,61, two these brake tooths 51,61 are meshed with the ratchet 40 of this ratchet 4, the ratchet 40 that the brake tooth 51,61 of two these brake components 5,6 coordinates this ratchet 4 to be the indent arcuation is established and is outer convex arc-shape, respectively being provided with spring 52,62, two these springs 52,62 on the relative lateral surface of two these brake components 5,6 is arranged at respectively in relative two these bearing grooves 23 of this body 2, one cover plate 7, be covered on the groove 26 of this body 2, this cover plate 7 is provided with an open-work 70, respectively be provided with one first perforation 71 corresponding to screw 27 positions on the groove 26 of this body 2 on this cover plate 7, position corresponding to the screw 33 on this tumbler 3 on this cover plate 7 is provided with one second perforation 72, in this first perforation 71, is equipped with the first screw 73, in this second perforation 72, is equipped with the second screw 74, so, be the structure of a ratchet spanner.
During assembling, refer to shown in Fig. 2～Fig. 4, by two springs 52, 62 establish respectively in two bearing grooves 23 of body 2, again by two brake components 5, 6 establish relatively in the storage tank 22 of body 2, make two brake components 5, 6 positioning convex body 50, 60 establish respectively in two caulking grooves 24 of body 2, by two brake components 5, 6 respectively with this positioning convex body 50, 60 are able to move in storage tank 22 inward turnings of this body 2 for fulcrum, and two brake components 5, 6 lay respectively at the dual-side of being located at the tumbler 3 in body 2, this two brake component 5, 6 relative lateral surface also is held in the spring 52 in the two bearing grooves 23 of being located at body 2, on 62, ratchet 4 is established in the room 21 of body 2 again, the positioning convex body 41 of ratchet 4 is located in the open-work 25 of body 2, and ratchet 4 be the indent arcuation ratchet 40 and with a brake component 5 wherein, 6 are the brake tooth 51 of outer convex arc-shape, 61 are meshed, again cover plate 7 is covered in the groove 26 of body 2, again the first screw 73 and the second screw 74 are arranged in respectively in first perforation the 71 and second perforation 72 of this cover plate 7, this first screw 73 spiral shell are located in the screw 27 on the groove 26 of body 2, this second screw 74 spiral shell are located in the screw 33 on this tumbler 3, the sleeve extension rod 42 of ratchet 4 is extended through the open-work 70 of cover plate 7, so, can complete whole assembling.
During use, refer to shown in Fig. 4～Fig. 6, when the clockwise application of force of body 2 wish is pulled use, only control piece 30 must be pulled to (as shown in Figure 4) counterclockwise, 30 of this control pieces drive tumbler 3 and rotate, 31 of the arc surfaces of this tumbler 3 push a wherein brake component 5 and move to outward turning, make the ratchet 40 of the brake tooth 51 disengaging ratchets 4 of this brake component 5, the spring 52 of a side is located in this brake component 5 compression, make this spring 52 be elastic compression, and another brake component 6 is not because being supported by tumbler 3, and pushed to middle the revolving of storage tank 22 of body 2 by another spring 62 elasticity, move, one side of this another brake component 6 is posted by a wherein plane 32 of this tumbler 3, the brake tooth 61 of this another brake component 6 is meshed with the ratchet 40 of ratchet 4, when body 2 is pulled use clockwise, 40 brake tooths 61 with this brake component 6 of the ratchet of this ratchet 4 are the clip on-position, ratchet 4 can't be rotated counterclockwise, and the sleeve barrel tool (not shown) that makes to be socketed on the sleeve extension rod 42 of this ratchet 4 is able to the action that the elements such as nut or bolt are disassembled or locked, and when body 2 is promoted counterclockwise, the brake tooth 61 of this brake component 6 can be pushed by the ratchet 40 of ratchet 4, 62 braked parts 6 of the spring of one side compress slightly, the brake tooth 61 that 40 of the ratchets of its ratchet 4 can push brake component 6 is the elasticity state of beating, can make this body 2 its ratchet 4 when pulling clockwise use be on-position, and body 2 while oppositely promoting its ratchet 4 can be and clockwise rotate, so, can facilitate the operation of ratchet spanner to use, and while pulling to centre position by control piece 30 (as shown in Figure 5), 30 of this control pieces drive tumbler 3 and rotate, the arc surface 31 of this tumbler 3 pushes two brake components 6 with the tie point on plane 32 and outwards moves, two 5,6 of brake components push respectively two springs 52,62 and are elastic compression, and two brake components 5,6 all do not mesh with the ratchet 40 of ratchet 4, when body 2 is pulled, 4, this ratchet is formed idling conditions, in addition, when will oppositely being the counterclockwise application of force, pulls while using body 2, only must pull clockwise control piece 30, 30 of control pieces drive tumbler 3 dextrorotations and move, 31 of the arc surfaces of this tumbler 3 push another brake component 6 and move (as shown in Figure 6) to outward turning, make the ratchet 40 of the brake tooth 61 disengaging ratchets 4 of this another brake component 6, the spring 62 of a side is located in this another brake component 6 compression, make this spring 62 be elastic compression, and this brake component 5 is not because being supported by tumbler 3, and pushed to middle the revolving of storage tank 22 of body 2 by spring 52 elasticity, move, one side of this brake component 5 is posted by another plane 32 of this tumbler 3, the brake tooth 51 of this brake component 5 is meshed with the ratchet 40 of ratchet 4, when body 2 is pulled use counterclockwise, 40 brake tooths 51 with this brake component 5 of the ratchet of this ratchet 4 are the clip on-position, ratchet 4 can't be clockwise rotated, and the sleeve barrel tool (not shown) that makes to be socketed on the sleeve extension rod 42 of this ratchet 4 is able to the action that the elements such as nut or bolt are disassembled or locked, so, the ratchet 40 that relies on ratchet 4 respectively with two brake components 5, 6 brake tooth 51, 61 intermeshing location, can really reach the effect of clip braking, do not have the situation generation that slippage can't be braked, and the ratchet 40 and two brake components 5 that rely on the set indent arcuation of ratchet 4, the brake tooth 51 of 6 set outer convex arc-shapes, 61 match, can make intermeshing contact area strengthen, make interlock and transmission more stable really, therefore do not have the jumping tooth, the untrue situation of transmission produces, and can reduce the noise produced while operating.
In sum, the utility model has reached desired application target and effect really, and more desirable, practical for it than those existing, yet, above-described embodiment is only to be specifically described for preferred embodiment of the present utility model, this embodiment is not in order to limit claim of the present utility model, and other does not break away from the equalization completed under the technological means that the utility model discloses and changes and modify such as, all should be contained in the claim that the utility model contains.
Claims (3)
1. the ratchet structure of a ratchet spanner, be provided with a body, one end of this body is provided with lever, this body is provided with a room and storage tank, this storage tank is connected with this room, and the wall of this storage tank is provided with two relative bearing grooves, separately is provided with a break-through on the outer side surface of this body in the open-work of this room, be positioned at the outer groove that is arranged with of this room and this storage tank on the front of this body, the inner face of this groove is provided with at least two screws; One tumbler, be located in the storage tank of this body, and this tumbler is hubbed in this storage tank by a control piece, and this control piece is located on the outer side surface of this body, and this tumbler is provided with a screw; One ratchet, be located in the room of this body, and this ratchet is provided with ratchet, and an end of this ratchet is provided with positioning convex body, and this ratchet other end is provided with sleeve extension rod; Two brake components, relatively be located in the storage tank of this body, two these brake components are equipped with brake tooth, and the brake tooth of two these brake components is meshed with the ratchet of this ratchet, respectively be provided with a spring on the relative lateral surface of two these brake components, two these springs are arranged at respectively in relative two these bearing grooves of this body; One cover plate, be covered on the groove of this body, this cover plate is provided with an open-work, position corresponding to the screw on the screw on the groove of this body and this tumbler on this cover plate is equipped with a perforation, respectively in this perforation, all be equipped with screw, respectively this screw respectively spiral shell be located at the screw of this body and the screw of this tumbler;
It is characterized in that: the ratchet of this ratchet is the indent arcuation, and the ratchet that the brake tooth of this brake component coordinates this ratchet to be the indent arcuation is outer convex arc-shape.
2. the ratchet structure of ratchet spanner as claimed in claim 1, it is characterized in that: the wall of the storage tank of this body is provided with two relative caulking grooves, one end of two these brake components is equipped with a location convex body, the other end of two these brake components is provided with brake tooth, the positioning convex body of this brake component is embedded in the caulking groove of this body, and the brake tooth of this brake component is meshed with the ratchet of this ratchet.
3. the ratchet structure of ratchet spanner as claimed in claim 1, it is characterized in that: an end of this tumbler is arc surface, the other end of this tumbler is the plane that two sides are relative gradually-reducing shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320429985 CN203357339U (en) | 2013-07-18 | 2013-07-18 | Ratchet wheel structure of ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320429985 CN203357339U (en) | 2013-07-18 | 2013-07-18 | Ratchet wheel structure of ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203357339U true CN203357339U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320429985 Expired - Fee Related CN203357339U (en) | 2013-07-18 | 2013-07-18 | Ratchet wheel structure of ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203357339U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440724A (en) * | 2014-10-24 | 2015-03-25 | 李永光 | Ratchet wrench and manufacturing method thereof |
| WO2016033711A1 (en) * | 2014-09-01 | 2016-03-10 | 李永光 | Ratchet wrench |
| CN105563394A (en) * | 2014-10-10 | 2016-05-11 | 景祥凯工业股份有限公司 | Spanner |
| US10870186B2 (en) | 2017-09-28 | 2020-12-22 | Snap-On Incorporated | Dual pawl ratchet mechanism and reversing method |
| CN112677087A (en) * | 2019-10-17 | 2021-04-20 | 施耐宝公司 | Indexable ratchet tool |
-
2013
- 2013-07-18 CN CN 201320429985 patent/CN203357339U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016033711A1 (en) * | 2014-09-01 | 2016-03-10 | 李永光 | Ratchet wrench |
| CN105563394A (en) * | 2014-10-10 | 2016-05-11 | 景祥凯工业股份有限公司 | Spanner |
| CN104440724A (en) * | 2014-10-24 | 2015-03-25 | 李永光 | Ratchet wrench and manufacturing method thereof |
| US10870186B2 (en) | 2017-09-28 | 2020-12-22 | Snap-On Incorporated | Dual pawl ratchet mechanism and reversing method |
| TWI714886B (en) * | 2017-09-28 | 2021-01-01 | 美商施耐寶公司 | Reversible ratchet device |
| TWI758971B (en) * | 2017-09-28 | 2022-03-21 | 美商施耐寶公司 | Reversible ratchet device |
| CN112677087A (en) * | 2019-10-17 | 2021-04-20 | 施耐宝公司 | Indexable ratchet tool |
| US11772247B2 (en) | 2019-10-17 | 2023-10-03 | Snap-On Incorporated | Indexable ratchet tool |
| CN112677087B (en) * | 2019-10-17 | 2023-11-03 | 施耐宝公司 | Indexable ratchet tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20210718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |