CN112975812A - Hand-held type automobile wheel hub bolt dismouting electric spanner - Google Patents
Hand-held type automobile wheel hub bolt dismouting electric spanner Download PDFInfo
- Publication number
- CN112975812A CN112975812A CN202110206004.5A CN202110206004A CN112975812A CN 112975812 A CN112975812 A CN 112975812A CN 202110206004 A CN202110206004 A CN 202110206004A CN 112975812 A CN112975812 A CN 112975812A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a hand-held electric wrench for assembling and disassembling automobile hub bolts, which comprises a shell, wherein the shell is connected with a hollow support, a cavity is formed between the shell and the middle part of the support, a motor is connected in the shell, the output end of the motor is connected with an input shaft through a coupler, the input shaft penetrates through the support to be connected with a sun gear, the outer circumference of the support is connected with a plurality of transfer transmission systems, the sun gear is meshed with the plurality of transfer transmission systems through a transmission gear structure, and each transfer transmission system is connected with a sleeve; the problem of low efficiency of the existing wrench in assembling and disassembling the hub bolt is solved, and the plurality of bolts on the automobile hub can be disassembled or assembled at one time; the wrench disclosed by the invention can realize the input of small torque and the output of large torque by utilizing the transmission ratio of the gear, and also has the advantages of simple structure, convenience in use, reliability in work and reduced energy consumption.
Description
Technical Field
The invention belongs to the technical field of instrument maintenance tools, and particularly relates to a handheld electric wrench for assembling and disassembling an automobile hub bolt.
Background
In the modern society where the small cars are popularized, various types of problems occur in the automobiles due to the influence of human factors such as operation of drivers and environment. The attention degree of people to the maintenance and repair work of the automobile is gradually increased, so that the normal working operation of the automobile can be realized, and the use quality of the automobile is improved. The repair and maintenance of the automobile hub are also important, but the existing hub disassembly has some defects.
The hub that exists on the market at present dismantles and has manual spanner and single-end electric spanner. If only the ordinary manual spanner needs to pay almost the whole power output when wheel hub dismantles, because automobile wheel hub generally all uses the long bolt, dismantle more expend time and have the wheel hub bolt of different cars simultaneously and dismantle the difficult point that needs the power output of different specifications spanner despite the torque wrench solution but do not solve the shortcoming of other aspects. The electric wrench which is caused by the defects of the traditional wrench almost solves all the defects of the manual wrench, but the electric wrench brings new defects. The electric wrench drives the hub bolt to rotate through the brushless motor so as to achieve disassembly. The torque output at the electric spanner end is equal to that at the bolt end, no labor-saving structure is provided, and compared with a manual spanner, the time is saved when only one hub bolt is disassembled and assembled at one time, but the time is not saved to the greatest extent.
Disclosure of Invention
The invention aims to provide a handheld electric wrench for assembling and disassembling an automobile hub bolt, which solves the problem of low efficiency in assembling and disassembling the hub bolt by using the conventional wrench.
The invention adopts the technical scheme that the hand-held electric wrench for assembling and disassembling automobile hub bolts comprises a shell, wherein the shell is connected with a hollow support, a cavity is formed between the shell and the middle part of the support, a motor is connected in the shell, the output end of the motor is connected with an input shaft through a coupler, the input shaft penetrates through the support to be connected with a sun wheel, the outer circumference of the support is connected with a plurality of transfer transmission systems, the sun wheel is meshed with the plurality of transfer transmission systems through a transmission gear structure, and each transfer transmission system is connected with a sleeve.
The invention is also characterized in that:
the motor is connected with a power supply, the power supply is connected with a manual reversing switch, and the manual reversing switch is connected to the outer surface of the shell.
The transmission gear structure comprises a plurality of support columns a connected to the support, each support column a is connected with a planetary gear through a bearing, the planetary gears are all meshed with the sun gear, the transmission gear structure further comprises a bidirectional gear with toothed inner and outer rings, teeth of the inner ring of the bidirectional gear are meshed with the planetary gears, and teeth of the outer ring of the bidirectional gear are meshed with a plurality of transfer transmission systems.
The planetary transmission system is characterized by further comprising a planetary check ring formed by two cylinders which are sleeved with each other, one end of the planetary check ring is fixedly connected to the support, the central axis of the planetary check ring is coincident with the axis of the sun gear, a plurality of inner circular holes are formed in an inner cylinder of the planetary check ring, each planetary gear penetrates through one inner circular hole to be meshed with the inner ring teeth of the bidirectional gear, a plurality of outer circular holes are formed in an outer cylinder of the planetary check ring, and each transfer transmission system penetrates through the outer circular holes to be meshed with the outer.
Each transfer transmission system comprises a plurality of support columns b fixedly connected to the support, each support column b is connected with a transfer gear through a bearing, each transfer gear is meshed with a transmission gear structure, and a sleeve is coaxially connected to each transfer gear.
The inner diameter of the sleeve is a regular polygon.
The input shaft is sleeved with the inner wall of the deep groove ball bearing, and the outer wall of the deep groove ball bearing is in contact with the inner wall of the support.
The casing is provided with heat dissipation holes opposite to the motor.
The invention has the beneficial effects that:
the hand-held electric wrench for dismounting the automobile hub bolt, disclosed by the invention, overcomes the problem of low efficiency in dismounting the hub bolt by the existing wrench, and can realize one-time dismounting or mounting of a plurality of bolts on the automobile hub; the wrench disclosed by the invention can realize the input of small torque and the output of large torque by utilizing the transmission ratio of the gear, and also has the advantages of simple structure, convenience in use, reliability in work and reduced energy consumption.
Drawings
FIG. 1 is a schematic structural view of a hand-held electric wrench for assembling and disassembling an automobile hub bolt, according to the present invention;
FIG. 2 is a schematic structural view of a transmission gear according to the present invention;
FIG. 3 is a schematic structural view of the planetary retainer ring of the present invention.
In the figure, 1 is a heat dissipation hole, 2 is a motor, 3 is a support column a, 4 is a coupler, 5 is an input shaft, 6 is a deep groove ball bearing, 7 is a support, 8 is a sleeve, 9 is a support column b, 10 is a manual reversing switch, 11 is a shell, 12 is a power supply, 13 is a bidirectional gear, 14 is a transfer gear, 15 is a planet retainer ring, 16 is a sun gear, and 17 is a planet gear.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a hand-held electric wrench for assembling and disassembling automobile hub bolts, which comprises a shell 11, wherein the shell 11 is connected with a hollow support 7, a cavity communicated with the middle part of the support 7 is formed between the shell 11 and the middle part of the support 7, a motor 2 is connected in the shell 11, the output end of the motor 2 is connected with an input shaft 5 through a coupler 4, the input shaft 5 penetrates through the support 7 to be connected with a sun wheel 16, the output shaft of the motor 2 drives the input shaft 5 to rotate together through the coupler 4 when rotating, the input shaft 5 drives the sun wheel 16 to rotate, the outer circumference of the support 7 is connected with a plurality of transfer transmission systems, the sun wheel 16 is meshed with the plurality of transfer transmission systems through a transmission gear structure, when the sun wheel 16 rotates, the transmission gear structure and the plurality of transfer transmission systems rotate along with the transfer transmission systems under the meshing action, each transfer transmission system is.
As shown in fig. 2, the transmission gear structure includes a plurality of supporting columns a3 connected to the support 7, each supporting column a3 is connected to one planetary gear 17 through a bearing, when the planetary gears 17 rotate, the resistance of the support 7 is small, the support can rotate relative to the support 7, the planetary gears 17 are meshed with the sun gear 16 and can rotate along with the sun gear 16, the transmission gear structure further includes a bidirectional gear 13, the inner ring and the outer ring of the bidirectional gear 13 are both toothed, the inner ring of the bidirectional gear 13 is meshed with the plurality of planetary gears 17, the outer ring of the bidirectional gear 13 is meshed with the plurality of transfer transmission systems, the bidirectional gear 13 can be driven through meshing with the inner ring of the bidirectional gear 17 when the planetary gears 17 rotate, and then the transfer transmission systems are driven to rotate through meshing.
As shown in fig. 3, the planetary transmission system further comprises a planetary retainer ring 15 formed by two cylinders which are sleeved with each other, a plurality of supporting columns a3 are located in the planetary retainer ring 15, one end of the planetary retainer ring 15 is fixedly connected to the support 7, the central axis of the planetary retainer ring 15 is coincident with the axis of the sun gear 16, a plurality of inner circular holes are formed in the inner cylinder of the planetary retainer ring 15, each planetary gear 17 penetrates one inner circular hole to be meshed with inner circular teeth of the bidirectional gear 13, a plurality of outer circular holes are formed in the outer cylinder of the planetary retainer ring 15, each transfer transmission system penetrates the outer circular holes to be meshed with outer circular teeth of the bidirectional gear 13, the inner circular holes of the planetary retainer ring 15 can limit the planetary gears 17, and the outer circular holes of the planetary retainer.
Each transfer transmission system comprises a plurality of supporting columns b9 fixedly connected to the edge of the support 7, each supporting column b9 can support the transfer gear 14, due to the characteristics of bearings, the transfer gear 14 can rotate relative to the support 7, each supporting column b9 is connected with the transfer gear 14 through a bearing, each transfer gear 14 is meshed with a transmission gear structure, the transfer gear structure can drive the transfer gear 14 to rotate when rotating, a coaxial connecting sleeve 8 is arranged on each transfer gear 14, the number of the transfer gears 14 is set according to bolts on an automobile hub, and the distance between each transfer gear 14 is set according to the bolt distance on the automobile hub.
The inner diameter of the sleeve 8 is a regular polygon, the inner opening of the sleeve 8 is embedded outside the bolt to drive the bolt to rotate forward or reversely, and the sleeve can also be used for mounting or dismounting the nut and is set according to the outer diameter shape of the bolt or the nut.
The input shaft 5 is sleeved with the inner wall of the deep groove ball bearing 6, the outer wall of the deep groove ball bearing 6 contacts with the inner wall of the connecting support 7, and the support 7 can support the input shaft 5 without influencing the rotation of the input shaft 5.
Just offer louvre 1 to motor 2 position on the casing 11, can dispel the heat to motor 2.
The invention discloses a using method of a hand-held electric wrench for assembling and disassembling automobile hub bolts, which comprises the following steps:
when the bolt is installed, the sleeve 8 is sleeved outside the bolt, the manual reversing switch 10 is turned to one end, the motor 2 is started to rotate in a forward direction, the output shaft of the motor 2 drives the input shaft 5 to rotate in the forward direction through the coupler 4, the input shaft 5 penetrates through the support 7 to drive the sun gear 16 to rotate in the forward direction, the sun gear 16 sequentially drives the planetary gear 17 and the two-way gear 13 to rotate in the forward direction, the outer ring teeth of the two-way gear 13 drive the transfer gear 14, the transfer gears 14 respectively drive the corresponding sleeves 8 to rotate, and the sleeves 8 drive the bolt to rotate so that the bolt is installed in the threaded hole.
When the bolt is disassembled, the sleeve 8 is sleeved outside the bolt head, the manual reversing switch 10 is turned to the other end, the motor 2 is started to rotate reversely, the output shaft of the motor 2 drives the input shaft 5 to rotate reversely through the coupler 4, the input shaft 5 penetrates through the support 7 to drive the sun gear 16 to rotate reversely, the sun gear 16 sequentially drives the planetary gear 17 and the bidirectional gear 13 to rotate reversely, the outer ring teeth of the bidirectional gear 13 drive the transfer gear 14, the transfer gear 14 respectively drives the corresponding sleeve 8 to rotate, the sleeve 8 drives the bolt to rotate, and the bolt installed in the threaded hole can be disassembled.
Through the mode, the hand-held electric wrench for dismounting the automobile hub bolt, disclosed by the invention, overcomes the problem of low efficiency in dismounting the hub bolt by the existing wrench, and can realize one-time dismounting or mounting of a plurality of bolts on the automobile hub; the wrench disclosed by the invention can realize the input of small torque and the output of large torque by utilizing the transmission ratio of the gear, and also has the advantages of simple structure, convenience in use, reliability in work and reduced energy consumption.
Claims (8)
1. The utility model provides a hand-held type automobile wheel hub bolt dismouting electric spanner, a serial communication port, including casing (11), hollow support (7) is connected in casing (11), casing (11) and support (7) middle part form the cavity, connecting motor (2) in casing (11), input shaft (5) are connected through shaft coupling (4) to motor (2) output, input shaft (5) pass support (7) and connect sun gear (16), a plurality of transfer drive systems of outer circumferential connection of support (7), sun gear (16) are through a plurality of transfer drive systems of transmission gear structural engagement, every equal connecting sleeve (8) on the transfer drive system.
2. The hand-held electric wrench for dismounting and mounting the automobile hub bolt is characterized in that the motor (2) is connected with a power supply (12), the power supply (12) is connected with a manual reversing switch (10), and the manual reversing switch (10) is connected to the outer surface of the shell (11).
3. The hand-held electric wrench for dismounting and mounting the automobile hub bolt is characterized in that the transmission gear structure comprises a plurality of support columns a (3) connected to a support (7), each support column a (3) is connected with a planetary gear (17) through a bearing, the planetary gears (17) are meshed with a sun gear (16), the hand-held electric wrench further comprises a bidirectional gear (13) with toothed inner and outer rings, the inner ring of the bidirectional gear (13) is meshed with the planetary gears (17), and the outer ring of the bidirectional gear (13) is meshed with a plurality of transfer transmission systems.
4. The hand-held electric wrench for dismounting the automobile hub bolt according to claim 3, further comprising a planet retainer ring (15) formed by two cylinders sleeved with each other, wherein one end of the planet retainer ring (15) is fixedly connected to the support (7), the central axis of the planet retainer ring (15) is coincident with the axis of the sun gear (16), a plurality of inner circular holes are formed in an inner cylinder of the planet retainer ring (15), each planet gear (17) penetrates through one inner circular hole to be meshed with inner circular teeth of the bidirectional gear (13), a plurality of outer circular holes are formed in an outer cylinder of the planet retainer ring (15), and each transfer transmission system penetrates through the outer circular holes to be meshed with outer circular teeth of the bidirectional gear (13).
5. The hand-held electric wrench for dismounting and mounting the bolts of the automobile hub is characterized in that each transfer transmission system comprises a plurality of supporting columns b (9) fixedly connected to a support (7), each supporting column b (9) is connected with a transfer gear (14) through a bearing, each transfer gear (14) is meshed with a transmission gear structure, and a sleeve (8) is coaxially connected to each transfer gear (14).
6. The hand-held electric wrench for dismounting and mounting the automobile hub bolt is characterized in that the inner caliber of the sleeve (8) is a regular polygon.
7. The hand-held electric wrench for dismounting and mounting the automobile hub bolt is characterized in that the input shaft (5) is sleeved with the inner wall of the deep groove ball bearing (6), and the outer wall of the deep groove ball bearing (6) is in contact with the inner wall of the connecting support (7).
8. The hand-held electric wrench for assembling and disassembling automobile hub bolts according to claim 1, wherein the heat dissipation hole (1) is formed in the position, opposite to the motor (2), of the shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110206004.5A CN112975812A (en) | 2021-02-24 | 2021-02-24 | Hand-held type automobile wheel hub bolt dismouting electric spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110206004.5A CN112975812A (en) | 2021-02-24 | 2021-02-24 | Hand-held type automobile wheel hub bolt dismouting electric spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112975812A true CN112975812A (en) | 2021-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110206004.5A Pending CN112975812A (en) | 2021-02-24 | 2021-02-24 | Hand-held type automobile wheel hub bolt dismouting electric spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112975812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115519343A (en) * | 2021-06-24 | 2022-12-27 | 广东博智林机器人有限公司 | Auxiliary tool and screwdriver head module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206578521U (en) * | 2017-02-15 | 2017-10-24 | 东南（福建）汽车工业有限公司 | A kind of automobile tire bolt is co-axially mounted device |
| CN207971879U (en) * | 2018-02-12 | 2018-10-16 | 沈阳一博机器人自动化有限公司 | Automobile tire tools for bolts ' pretension device |
| CN208730702U (en) * | 2018-09-07 | 2019-04-12 | 刘安 | A kind of five screwing tools of lightweight |
| WO2020081019A1 (en) * | 2018-10-16 | 2020-04-23 | Okumus Emre Oemer | Wheel bearing removal apparatus |
| CN211639672U (en) * | 2019-11-29 | 2020-10-09 | 长春一合环保科技有限公司 | Wheel hub fastening spanner |
| US20200338699A1 (en) * | 2017-11-01 | 2020-10-29 | Superbolt, Inc. | Apparatus for simultaneously applying torque to a plurality of jackbolts of a multi jackbolt tensioner |
-
2021
- 2021-02-24 CN CN202110206004.5A patent/CN112975812A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206578521U (en) * | 2017-02-15 | 2017-10-24 | 东南（福建）汽车工业有限公司 | A kind of automobile tire bolt is co-axially mounted device |
| US20200338699A1 (en) * | 2017-11-01 | 2020-10-29 | Superbolt, Inc. | Apparatus for simultaneously applying torque to a plurality of jackbolts of a multi jackbolt tensioner |
| CN207971879U (en) * | 2018-02-12 | 2018-10-16 | 沈阳一博机器人自动化有限公司 | Automobile tire tools for bolts ' pretension device |
| CN208730702U (en) * | 2018-09-07 | 2019-04-12 | 刘安 | A kind of five screwing tools of lightweight |
| WO2020081019A1 (en) * | 2018-10-16 | 2020-04-23 | Okumus Emre Oemer | Wheel bearing removal apparatus |
| CN211639672U (en) * | 2019-11-29 | 2020-10-09 | 长春一合环保科技有限公司 | Wheel hub fastening spanner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115519343A (en) * | 2021-06-24 | 2022-12-27 | 广东博智林机器人有限公司 | Auxiliary tool and screwdriver head module |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210618 |
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| RJ01 | Rejection of invention patent application after publication |