CN206123509U - Spanner and pneumatic wrench - Google Patents
Spanner and pneumatic wrench Download PDFInfo
- Publication number
- CN206123509U CN206123509U CN201621154624.XU CN201621154624U CN206123509U CN 206123509 U CN206123509 U CN 206123509U CN 201621154624 U CN201621154624 U CN 201621154624U CN 206123509 U CN206123509 U CN 206123509U
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- Prior art keywords
- wrench
- socket
- gear
- brake
- wrench body
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000425571 Trepanes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a spanner and pneumatic wrench. Handbag be should pull and wrench body and wrench socket were drawn together, wherein, wrench body for carried out the operation by bare -handed the holding of operative employee, its top is equipped with the cavernous structure, correspondingly, and its inside gear that has with the coaxial setting of cavernous structure that holds, wrench socket for screw with the nut cooperation, its bottom is the columnar structure the same with gear diameter of the inner ring, and its top is greater than for the diameter the disc of gear internal diameter, and its top inside be equipped with with nut complex recess, wrench socket inserts the bottom the gear inner circle, and the bottom is fixed through positioning mechanism and wrench body, and the disc on its top blocks wrench body to can make gear and wrench socket drive the nut screws or loosens, this pneumatic wrench includes the spanner, and the wrench body bottom is connected with the air supply, and the air supply passes through the inside drive mechanism of wrench body and links to each other with the gear. Inside this spanner and pneumatic wrench can stretch into the motor, simple structure, the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of engine repair tools technique and specifically relates to a spanner and air wrench are related to.
Background
A wrench is a common installation and removal tool. Hand tools for turning bolts, screws, nuts and other threaded fasteners for tightening openings or trepanning of bolts or nuts using the principle of leverage. The wrench is generally provided with an opening or a trepan for holding the bolt or the nut at one end or both ends of the handle portion, and when the wrench is used, the bolt or the nut can be screwed by applying an external force to the handle portion along the rotation direction of the thread. A pneumatic wrench, also known as a ratchet wrench and power tool assembly, is a tool that provides a high torque output with minimal consumption.
However, the head of the commercially available wrench or air wrench is thick, difficult to penetrate into the interior of the engine, and complicated, heavy and inconvenient to use.
For example, patent No. CN200980117153.1 discloses a pneumatic impact wrench for tightening screw joints, comprising a housing with a compressed air inlet channel, a discharge air outlet channel, a rotating electric machine, a hydraulic impact generator, and connections for air supply ducts and cables for connecting said impact wrench to a fixed programmable control unit. The impact wrench further comprises a torque indicating device connected to the control unit for feedback electrical signals in response to the output torque of the wrench, an electromagnetically driven inlet valve arranged in the air inlet channel, and an electromagnetically driven exhaust valve controlling the exhaust air flow from the motor, wherein the exhaust valve is a proportional valve driven by a linearly operating electromagnetic actuator and arranged to continuously adapt the exhaust air flow and the motor power to the characteristics of the actual screw joint being tightened in response to the feedback signals from the torque indicating device and according to a programmed tightening strategy.
For example, patent No. CN201310077448.9 discloses a through-hole type power ratchet wrench, which includes a socket holder, an oscillating member, a ratchet socket, a first pawl and a second pawl, the oscillating member is swingably installed in the socket holder and close to the periphery of the ratchet socket, the two pawls are swingably fixed on the oscillating member and an elastic element is connected between the oscillating member and the two pawls, the two pawls have a tendency to engage with the periphery of the ratchet socket under the bias of the elastic element, and the through-hole type power ratchet wrench further includes a limiting member disposed between the two pawls and the ratchet socket for separating the first pawl, the second pawl and the ratchet socket, the limiting member is formed with an opening suitable for the two pawls to pass through and can move between a first position and a second position around the ratchet socket; when the first pawl is in the first position, the opening of the limiting piece faces the first pawl; when the first pawl is in the first position, the opening of the limiting piece faces the first pawl. The through hole type power ratchet wrench is convenient to reverse in a narrow working environment, and can effectively improve the working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a spanner and air wrench, to a great extent has solved above-mentioned problem.
An object of the utility model is to provide a spanner.
A second object of the present invention is to provide a pneumatic wrench.
The utility model provides a wrench, include: a wrench body and a wrench socket; wherein,
the wrench comprises a wrench body, a handle and a handle, wherein the wrench body is used for being held by an operator with bare hands to perform operation, the top of the wrench body is provided with a hole-shaped structure, and correspondingly, a gear which is coaxial with the hole-shaped structure is accommodated in the wrench body;
the wrench socket is used for being matched and screwed with the nut, the bottom end of the wrench socket is of a columnar structure with the same diameter as the inner ring of the gear, the top end of the wrench socket is a disc with the diameter larger than the inner diameter of the gear, and a groove matched with the nut is formed in the top end of the wrench socket;
the bottom end of the wrench sleeve is inserted into the gear inner ring, the bottom of the wrench sleeve is fixed with the wrench body through the positioning mechanism, and the disc at the top end of the wrench sleeve clamps the wrench body so as to enable the gear and the wrench sleeve to drive the nut to be screwed or loosened.
Further, the positioning mechanism is a positioning pin, and the positioning pin is inserted into the bottom of the wrench socket along the length direction of the wrench body.
Furthermore, the bottom of the wrench body is sleeved with an anti-slip sleeve, and a plurality of anti-slip bulges are arranged on the anti-slip sleeve in a staggered manner.
Further, the groove is a polygonal groove.
Further, the groove is an inner hexagonal groove.
Further, the depth of the groove is 0.5 cm.
Further, the thickness of the wrench socket is 1 cm.
The utility model also provides a pneumatic wrench, which comprises the wrench, wherein the bottom of the wrench body is connected with an air source, and the air source is connected with the gear through a transmission mechanism inside the wrench body; wherein,
the transmission mechanism is used for transmitting motive power provided by an air source into the wrench socket and comprises a brake piece, a brake hook used for controlling the brake piece to start and stop and a latch arranged on the brake piece and matched with the gear, and one end of the brake hook is fixed on the anti-slip sleeve.
Furthermore, when the brake is in a working state, the other end of the brake hook is in contact with the brake piece; when the brake is suspended, the other end of the brake hook is not contacted with the brake block.
Furthermore, a button for controlling the on-off of the air source is arranged on one side of the anti-slip sleeve.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a spanner and air wrench can stretch into inside the motor, simple structure, and the practicality is strong. In the prior art, the wrench and the pneumatic wrench have great advantages, which are embodied in the following aspects:
one, this spanner simple structure, it is longer to compare in ordinary spanner length, and the operator just can obtain great moment by less power, and the inside of motor can be stretched into to the position of wrench end moreover, dismantles or screws up the screw, and the practicality is strong, convenient to use.
The pneumatic wrench adopts pneumatic operation to replace manual operation, has a simple structure and low processing cost, is particularly suitable for disassembling and assembling screws inside the motor, has strong machining adaptability, and has extremely strong cost and market potential.
Above-mentioned setting makes the utility model provides a spanner and air wrench simple structure, convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wrench according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an air wrench according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a wrench socket according to the embodiment of the present invention shown in fig. 1;
fig. 4 is a schematic structural diagram of one side of an air wrench according to the embodiment of the present invention shown in fig. 2.
Reference numerals:
1-a wrench; 2-a pneumatic wrench; 3-a positioning mechanism;
11-wrench body; 12-a wrench socket;
111-pore structure; 112-gear; 113-an anti-slip sleeve;
114-a button;
121-columnar structure; 122-a disk;
1222-a recess;
13-a transmission mechanism;
131-brake pad; 132-brake hook.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 3, the present embodiment provides a wrench 1 including: a wrench body 11 and a wrench socket 12; wherein,
the wrench body 11 is used for being held by an operator with bare hands to perform operation, the top of the wrench body is provided with a hole-shaped structure 111, and correspondingly, a gear 112 which is coaxially arranged with the hole-shaped structure 111 is accommodated in the wrench body;
the wrench socket 12 is used for being matched and screwed with the nut, the bottom end of the wrench socket is a columnar structure 121 with the same diameter as the inner ring of the gear 112, the top end of the wrench socket is a disc 122 with the diameter larger than the inner diameter of the gear 112, and a groove 1222 matched with the nut is arranged inside the top end of the wrench socket;
the bottom end of the wrench socket 12 is inserted into the inner ring of the gear 112, and the bottom end is fixed to the wrench body 11 through the positioning mechanism 3, and the top end of the wrench socket 122 locks the wrench body 11, so that the gear 112 and the wrench socket 12 can drive the nut to be screwed or loosened.
This spanner 1 simple structure, it is longer to compare in 1 length of ordinary spanner, and the operator just can obtain great moment by less power, and the inside of motor can be stretched into to the position of wrench end moreover, dismantles or screws up the screw, and the practicality is strong, convenient to use.
More specifically, the respective components of the wrench 1 in the present embodiment will be described in detail below.
As for the positioning mechanism 3, the positioning mechanism 3 of the present embodiment is a positioning pin having a guiding function, and is inserted into the bottom of the wrench socket 12 along the length direction of the wrench body 11. The positioning pin and the disc 122 cooperate to control the position of the wrench socket 12, so that the wrench socket 12 rotates in the gear 112 and hardly moves in the width direction of the wrench body 11, and is not easy to slip off during operation.
It should be noted that the positioning mechanism 3 is a positioning pin, which is only an example, and other mechanisms capable of fixing the cylindrical structure 121 of the wrench socket 12 may be adopted, and the description is not repeated here.
For the wrench body 11, the bottom of the wrench body 11 is sleeved with an anti-slip sleeve 113, and the anti-slip sleeve 113 is provided with a plurality of anti-slip protrusions. The slip-resistant sleeve 113 prevents slippage of the human hand during twisting.
It should be noted that, the anti-slip sleeve 113 is provided with a plurality of anti-slip protrusions, which is only an example, and other anti-slip sleeves 113 capable of preventing slip may also be adopted, which is not described herein.
Preferably, as for the groove 1222, the groove 1222 is a polygonal groove 1222. The recess 1222 is a hexagonal socket 1222. The depth of the groove 1222 is 0.5 cm. Recess 1222 and nut are the cooperation setting, generally adopt the hexagon nut, therefore recess 1222 is mostly interior hexagon recess 1222. The depth of the groove 1222 is deeper than the whole depth, so that the groove 1222 is tightly matched with the nut, and the groove 1222 is prevented from shaking during rotation.
It should be noted that the recess 1222 is a polygonal recess 1222 only as a preferred embodiment, and the recess 1222 is a hexagonal recess 1222 only as a most preferred embodiment, and in practical applications, it is necessary to select the polygonal recess 1222 according to the shape of the nut, and after the polygonal recess 1222 is matched, only the nut can be driven to rotate, which is not described herein.
For the wrench socket 12, the wrench socket 12 has a thickness of 1 cm. The thickness of the wrench socket 12 is generally not more than 1.5cm, and the main function is to prevent the wrench socket 12 from being stuck due to excessive thickness when the wrench socket 12 is inserted into the motor.
As shown in fig. 2 and 4, the present invention further provides a pneumatic wrench 2, which includes the wrench 1, wherein the bottom of the wrench body 11 is connected to an air source, and the air source is connected to the gear 112 through a transmission mechanism 13 inside the wrench body 11; the transmission mechanism 13 is used for transmitting motive power provided by an air source into the wrench socket 12, and includes a brake pad 131, a brake hook 132 for controlling the start and stop of the brake pad 131, and a latch disposed on the brake pad 131 and cooperating with the gear 112, wherein one end of the brake hook 132 is fixed on the anti-slip sleeve 113. The latch cooperates with the gear 112 in a manner similar to a ratchet mechanism (ratchet mechanism, a one-way intermittent motion mechanism consisting of a ratchet and pawl, which is commonly used in indexing intermittent feed or swivel tables in various machines and robots, as well as on jacks.
This pneumatic spanner 2 adopts pneumatics to replace manually, and its simple structure, and processing low cost is particularly useful for the dismouting of the inside screw of motor, and machining strong adaptability has extremely strong cost, market potential.
Further, in the working state, the other end of the brake hook 132 is in contact with the brake pad 131, so that the air source can rotate the pneumatic wrench through the transmission mechanism 13; when the wrench is suspended, the other end of the brake hook 132 is not in contact with the brake pad 131, and the air source cannot transmit power to the wrench socket 12, so that the wrench is suspended.
More specifically, the following is a detailed description of each component of the air wrench 2 in the present embodiment.
Preferably, for the anti-slip sleeve 113, a button 114 for controlling the on-off of the air source is further provided on one side of the anti-slip sleeve 113.
The operation of the wrench 1 of the present embodiment will now be described in detail:
firstly, an operator holds the anti-slip sleeve 113 on the wrench body 11 with one hand, extends the head of the wrench 1 into the motor, and sleeves the wrench socket 12 on the nut to be screwed or disassembled.
And secondly, rotating the wrench 1 clockwise or anticlockwise according to needs to tighten or disassemble the screw.
Thirdly, if the wrench 1 is screwed up, the wrench is directly taken out after the screws are fixed; if dismantle, when the screw rocked, take out spanner 1 earlier, later take out the screw, avoid it to drop inside the motor.
Heretofore, working process of this embodiment is accomplished, and the operator obtains great moment with less power, and the inside of motor can be stretched into to the position of wrench end moreover, dismantles or screws up the screw, and the practicality is strong, convenient to use.
The operation of the air wrench 2 of the present embodiment will now be described in detail:
firstly, a button 114 is started, an air source is opened, an operator holds the anti-skid sleeve 113 on the wrench body 11 with one hand, the head of the air wrench 2 is extended into the motor, and the wrench socket 12 is sleeved on a nut to be screwed or disassembled.
And secondly, rotating the pneumatic wrench 2 clockwise or anticlockwise according to needs to tighten or disassemble the screw.
Thirdly, in the process of screwing or disassembling, if the wrench socket is paused halfway, the brake hook 132 can be pressed to control the brake block 131 to pause the rotation of the wrench socket 12, and when the wrench socket needs to be opened, the brake hook 132 is released.
If the screw is tightened, the pneumatic wrench 2 is directly taken out after the screw is fixed; if dismantle, when the screw rocked, take out pneumatic wrench 2 earlier, take out the screw afterwards, avoid it to drop inside the motor.
And five, pressing the button 114 to turn off the air source.
To this end, work process of this embodiment is accomplished, and this air wrench 2 adopts the double switch mode, in the course of the work, need not close the air supply, can pause work, and the practicality is strong.
To sum up, the utility model provides a spanner 1 and air wrench 2 can stretch into inside the motor, simple structure, and the practicality is strong. In the prior art, the wrench 1 and the air wrench 2 have great advantages, which are embodied in the following aspects:
one, this spanner 1 simple structure, it is longer to compare in 1 length of ordinary spanner, and the operator just can obtain great moment by less power, and the inside of motor can be stretched into to the position of wrench end moreover, dismantles or screws up the screw, and the practicality is strong, convenient to use.
Secondly, this 1 positioning mechanism of spanner 3 can be for multiple forms such as locating pin, prevents to screw up or dismantle the in-process of screw, causes to rock, and the structure is more firm.
Thirdly, the groove 1222 is matched with the nut, and different wrench sockets 12 can be matched and replaced according to different nuts.
Fourthly, the pneumatic wrench 2 adopts pneumatic to replace manual operation, has simple structure and low processing cost, is particularly suitable for the disassembly and assembly of screws in the motor, has strong mechanical processing adaptability and has extremely strong cost and market potential.
And fifthly, the pneumatic wrench 2 adopts a double-switch mode, can pause work without closing an air source in the working process, and has strong practicability.
Above-mentioned setting makes the utility model provides a spanner 1 and air wrench 2 simple structure, convenient to use.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A wrench, comprising: a wrench body and a wrench socket; wherein,
the wrench comprises a wrench body, a handle and a handle, wherein the wrench body is used for being held by an operator with bare hands to perform operation, the top of the wrench body is provided with a hole-shaped structure, and correspondingly, a gear which is coaxial with the hole-shaped structure is accommodated in the wrench body;
the wrench socket is used for being matched and screwed with the nut, the bottom end of the wrench socket is of a columnar structure with the same diameter as the inner ring of the gear, the top end of the wrench socket is a disc with the diameter larger than the inner diameter of the gear, and a groove matched with the nut is formed in the top end of the wrench socket;
the bottom end of the wrench sleeve is inserted into the gear inner ring, the bottom of the wrench sleeve is fixed with the wrench body through the positioning mechanism, and the disc at the top end of the wrench sleeve clamps the wrench body so as to enable the gear and the wrench sleeve to drive the nut to be screwed or loosened.
2. The wrench according to claim 1, wherein the positioning mechanism is a positioning pin inserted into the bottom of the wrench socket along the length of the wrench body.
3. The wrench according to claim 1, wherein the bottom of the wrench body is sleeved with an anti-slip sleeve, and the anti-slip sleeve is provided with a plurality of anti-slip protrusions in a staggered manner.
4. The wrench according to claim 1, wherein said recess is a polygonal recess.
5. The wrench according to claim 4, wherein said recess is a socket head.
6. The wrench according to claim 5, wherein the recess is 0.5cm deep.
7. The wrench according to claim 1, wherein the wrench socket is 1cm thick.
8. A pneumatic wrench, comprising the wrench as claimed in any one of claims 1 to 7, wherein the bottom of the wrench body is connected with a gas source, and the gas source is connected with a gear through a transmission mechanism inside the wrench body; wherein,
the transmission mechanism is used for transmitting motive power provided by an air source into the wrench socket and comprises a brake piece, a brake hook used for controlling the brake piece to start and stop and a latch arranged on the brake piece and matched with the gear, and one end of the brake hook is fixed on the anti-slip sleeve.
9. The pneumatic wrench as claimed in claim 8, wherein the other end of the hook is in contact with the brake pad in the operating state; when the brake is suspended, the other end of the brake hook is not contacted with the brake block.
10. The pneumatic wrench as claimed in claim 9, wherein a button for controlling the on-off of the air source is further provided on one side of the anti-slip sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154624.XU CN206123509U (en) | 2016-10-31 | 2016-10-31 | Spanner and pneumatic wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154624.XU CN206123509U (en) | 2016-10-31 | 2016-10-31 | Spanner and pneumatic wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206123509U true CN206123509U (en) | 2017-04-26 |
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ID=58576561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621154624.XU Expired - Fee Related CN206123509U (en) | 2016-10-31 | 2016-10-31 | Spanner and pneumatic wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206123509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097065A (en) * | 2017-05-23 | 2017-08-29 | 东莞理工学院 | A shielding block disassembly method for remote maintenance in radiation environment |
-
2016
- 2016-10-31 CN CN201621154624.XU patent/CN206123509U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097065A (en) * | 2017-05-23 | 2017-08-29 | 东莞理工学院 | A shielding block disassembly method for remote maintenance in radiation environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20201031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |