CN113023614A - Screw rod type jack power auxiliary device - Google Patents
Screw rod type jack power auxiliary device Download PDFInfo
- Publication number
- CN113023614A CN113023614A CN202110210051.7A CN202110210051A CN113023614A CN 113023614 A CN113023614 A CN 113023614A CN 202110210051 A CN202110210051 A CN 202110210051A CN 113023614 A CN113023614 A CN 113023614A
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- China
- Prior art keywords
- worm
- shaft sleeve
- shaft
- worm wheel
- shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/18—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through worm gearings
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a power assisting device of a screw jack, which comprises a shell, wherein a left bearing and a handle base are sequentially welded at one end of the shell from inside to outside, a worm is fixedly arranged in the shell, a right bearing is sleeved on the surface of the other end of the worm, the right bearing is welded at the other end of the shell through a bearing cover plate, a worm wheel is meshed and connected with the middle part of the worm, a worm wheel shaft is sleeved at the middle part of the worm wheel, a front nylon shaft sleeve is sleeved at one end of the worm wheel shaft, a rear nylon shaft sleeve is sleeved at the other end of the worm wheel shaft, a conversion head is fixedly arranged at the other side of the shell, a connecting shaft is fixedly arranged at one end of the conversion head, and one end of the connecting shaft is connected with the screw jack in a clamping manner. Low cost and great market potential.
Description
Technical Field
The invention relates to the technical field of vehicle engineering, in particular to a power assisting device of a screw rod type jack.
Background
With the progress of science and technology and the development of society, the living standard of people is gradually improved, and the automobile keeping quantity per capita is increased day by day. And the automobile is at the in-process of traveling, can meet trouble such as flat tire inevitably, need use the jack to jack up the car and change operations such as tire, so the demand of market to the jack increases along with the increase of the per capita car reserves, to the car of little tonnage such as sedan car, the jack of commonly using is screw rod type jack, screw rod type jack divide into manual screw rod type jack and electronic screw rod type jack again, manual screw rod type jack wastes time and energy and is not suitable for the car of tonnage relatively great, current electronic screw rod type jack all is from taking power auxiliary device, the reduction gear promptly, through the motor of taking oneself or artifical handheld electric spanner through the power auxiliary device transmission of taking oneself, drive the jack and go up and down.
The existing electric screw rod type jack is provided with a power auxiliary device or even an electric motor, the manufacturing cost is high, the whole jack cannot be used after the power auxiliary device or the electric motor is damaged, and the maintenance and replacement cost is high.
Disclosure of Invention
The invention aims to provide a power assisting device for a screw jack, which aims to solve the problems that the conventional electric screw jack provided in the background art is provided with a power assisting device or even an electric motor, the manufacturing cost is high, the whole jack cannot be used after the power assisting device or the electric motor is damaged, and the maintenance and replacement cost is high.
In order to achieve the purpose, the invention provides the following technical scheme: a power assisting device of a lead screw type jack comprises a shell, wherein a left bearing and a handle base are welded at one end of the shell from inside to outside in sequence, a handle is connected to the inner thread at one end of the handle base, one end of the handle is in contact with one end of the left bearing, a worm is fixedly installed in the shell, a left bearing is sleeved at one end of the worm, a right bearing is sleeved on the surface of the other end of the worm, the right bearing is welded at the other end of the shell through a bearing cover plate, the other end of the worm is connected to the inner portion of one end of a worm shaft sleeve in an inserting mode, a worm wheel is meshed and connected with the middle of the worm, a worm wheel shaft is sleeved at the middle of the worm wheel, an elastic retainer ring is clamped and connected in a shaft groove of the worm wheel shaft, a front nylon shaft sleeve is sleeved at one end of, the other side fixed mounting of casing has the conversion head, the one end fixed mounting of conversion head has the connecting axle, the one end block of connecting axle is connected with lead screw jack.
As a preferable technical scheme of the present invention, one end of the worm is matched with one end of the worm shaft sleeve, a cross section of a joint of the worm and the worm shaft sleeve is polygonal, and the other end of the worm shaft sleeve is in clearance fit with the electric wrench.
As a preferable technical scheme of the invention, the left bearing and the right bearing are in interference fit with the worm and are abutted against shaft shoulders at two ends of the worm.
According to a preferable technical scheme of the invention, the worm wheel is in transition fit with the worm wheel shaft, the cross section of the connected part of the worm wheel shaft is polygonal, one end of the worm wheel shaft is in clearance fit with the front nylon shaft sleeve, and the other end of the worm wheel shaft is in clearance fit with the rear nylon shaft sleeve.
According to a preferred technical scheme of the invention, the front nylon shaft sleeve and the rear nylon shaft sleeve are both composed of a large boss and a small boss, a counter bore is formed in the middle of the front nylon shaft sleeve, the opening end of the counter bore is formed in the middle of the large boss, a through hole is formed in the middle of the rear nylon shaft sleeve, one end of the worm wheel shaft is sleeved in the counter bore formed in the middle of the front nylon shaft sleeve, and the other end of the worm wheel shaft is sleeved in the through hole formed in the middle of the rear nylon shaft sleeve.
As a preferred technical scheme of the invention, one end of the large boss of the front nylon shaft sleeve is contacted with the cover plate of the shell, the other end of the large boss of the front nylon shaft sleeve is contacted with the shaft shoulder at the front side of the worm wheel shaft, one end of the large boss of the rear nylon shaft sleeve is contacted with the shell, and the other end of the large boss of the rear nylon shaft sleeve is contacted with the shaft shoulder at the rear side of the worm wheel shaft.
Compared with the prior art, the invention has the beneficial effects that:
the power assisting device is simple in structure, time-saving and labor-saving, the power assisting device and the jack can be separated, the power assisting device is convenient to maintain after being damaged, one power assisting device can be connected with different screw rod type jacks through a matched transmission shaft, the application range is wide, the mechanism is simple, the manufacturing cost is low, and the market potential is huge.
Drawings
FIG. 1 is an exploded schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention in connection with a lead screw jack;
FIG. 3 is a schematic elevational, full section view of the present invention;
FIG. 4 is a left side schematic view in full section of the present invention;
fig. 5 is a schematic top view of the present invention.
In the figure: 1. a housing; 2. a housing cover plate; 3. a handle; 4. a handle base; 5. a worm; 6. a worm shaft sleeve; 7. a left bearing; 8. a right bearing; 9. a bearing cover plate; 10. a worm gear; 11. a worm gear shaft; 12. a circlip; 13. a front nylon shaft sleeve; 14. a rear nylon shaft sleeve; 15. a conversion head; 16. a connecting shaft; 17. screw jack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the invention provides a screw jack power assisting device, which comprises a casing 1, wherein a left bearing 7 and a handle base 4 are sequentially welded at one end of the casing 1 from inside to outside, a handle 3 is connected to the inner thread of one end of the handle base 4, one end of the handle 3 is in contact with one end of the left bearing 7, a worm 5 is fixedly installed in the casing 1, one end of the worm 5 is sleeved with the left bearing 7, the surface of the other end of the worm 5 is sleeved with a right bearing 8, the right bearing 8 is welded at the other end of the casing 1 through a bearing cover plate 9, the other end of the worm 5 is inserted and connected to the inner part of one end of a worm shaft sleeve 6, the middle part of the worm 5 is connected with a worm wheel 10 in a meshing manner, a worm wheel shaft 11 is sleeved at the middle part of the worm wheel 10, an elastic retainer ring 12 is connected, the other end of the worm wheel shaft 11 is sleeved with a rear nylon shaft sleeve 14, a shell cover plate 2 is welded on one side of the shell 1, a conversion head 15 is fixedly mounted on the other side of the shell 1, a connecting shaft 16 is fixedly mounted at one end of the conversion head 15, and one end of the connecting shaft 16 is connected with a screw jack 17 in a clamping mode.
Preferably, one end of the worm 5 is matched with one end of the worm shaft sleeve 6, the cross section of the joint of the worm 5 and the worm shaft sleeve 6 is polygonal, the worm shaft sleeve 6 is arranged at one end of the worm 5, the other end of the worm shaft sleeve 6 is in clearance fit with the electric wrench, and the electric wrench is directly in fit connection with the worm shaft sleeve 6 of the power assisting device.
Preferably, the left bearing 7 and the right bearing 8 are in interference fit with the worm 5 and abut against shoulders at two ends of the worm 5 for axially fixing the worm 5.
Preferably, worm wheel 10 and worm-wheel shaft 11 transition fit, and the cross-section of the part worm-wheel shaft 11 of connecting is the polygon, and the one end and the preceding nylon axle sleeve 13 clearance fit of worm-wheel shaft 11, the other end and the back nylon axle sleeve 14 clearance fit of worm-wheel shaft 11 for the common axial is fixed worm wheel 10 on worm-wheel shaft 11.
Preferably, preceding nylon axle sleeve 13 and back nylon axle sleeve 14 constitute by big boss and little boss, the counter bore has been seted up at the middle part of preceding nylon axle sleeve 13, and the open end of counter bore is seted up at the middle part of big boss, the through-hole has been seted up at back nylon axle sleeve 14 middle part, the counter bore that nylon axle sleeve 13 middle part was equipped with in the front is established to the pot head of worm-gear shaft 11, in the through-hole that nylon axle sleeve 14 middle part was equipped with in the back was established to the pot head of worm-gear shaft 11, be used for installing the one end of worm-gear shaft 11 in the counter bore at front nylon axle sleeve 13 middle part, the other.
Preferably, one end of the large boss of the front nylon shaft sleeve 13 is in contact with the casing cover plate 2, the other end of the large boss of the front nylon shaft sleeve 13 is in contact with a shaft shoulder at the front side of the worm gear shaft 11, one end of the large boss of the rear nylon shaft sleeve 14 is in contact with the casing 1, and the other end of the large boss of the rear nylon shaft sleeve 14 is in contact with a shaft shoulder at the rear side of the worm gear shaft 11 and is used for axially fixing the worm gear shaft 11.
When the worm gear type jack is used specifically, a worm 5 is arranged in a shell 1, two ends of the worm 5 penetrate through two ends of the shell 1, a handle 3 is arranged in a handle base 4, one end of the shell 1 is sequentially welded with a left bearing 7 and the handle base 4 from inside to outside, the left bearing 7 is sleeved at one end of the worm 5, the surface of the other end of the worm 5 is sleeved with a right bearing 8, the right bearing 8 is welded at the other end of the shell 1 through a bearing cover plate 9, a worm shaft sleeve 6 is arranged at the other end of the worm 5, the middle part of the worm 5 is meshed with a worm wheel 10, a worm wheel shaft 11 is sleeved inside the worm wheel 10, an elastic retainer ring 12 is clamped in a shaft groove of the worm wheel shaft 11, a front nylon shaft sleeve 13 and a rear nylon shaft sleeve 14 are respectively sleeved at two ends of the worm wheel shaft 11, a shell cover plate 2 is welded at one side of the shell 1, a conversion head 15 is arranged at the, a user holds the handle 3 with one hand and the electric wrench with the other hand, the electric wrench is directly matched and connected with the worm shaft sleeve 6 of the power assisting device, the worm shaft 11 of the power assisting device is connected with the connecting shaft 16 through the conversion head 15, the connecting shaft 16 is connected with the screw rod type jack 17, after the user starts the electric wrench, the worm shaft sleeve 6 and the worm 5 are driven to synchronously rotate, and after the speed is reduced through the worm wheel 10, the worm shaft 11, the conversion head 15 and the connecting shaft 16 are driven to synchronously rotate, so that the ascending or descending of the screw rod type jack 17 is controlled.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. A screw jack power assist device, includes casing (1), its characterized in that: the novel worm gear is characterized in that a left bearing (7) and a handle base (4) are sequentially welded at one end of the shell (1) from inside to outside, a handle (3) is connected to the inner thread of one end of the handle base (4), one end of the handle (3) is in contact with one end of the left bearing (7), a worm (5) is fixedly installed inside the shell (1), one end of the worm (5) is sleeved with the left bearing (7), a right bearing (8) is sleeved on the surface of the other end of the worm (5), the right bearing (8) is welded at the other end of the shell (1) through a bearing cover plate (9), the other end of the worm (5) is inserted and connected inside one end of a worm shaft sleeve (6), a worm wheel (10) is meshed with the middle of the worm (5), a worm wheel shaft (11) is sleeved at the middle of the worm wheel (10), and an elastic retainer ring (12) is clamped and, one end of the worm wheel shaft (11) is sleeved with a front nylon shaft sleeve (13), the other end of the worm wheel shaft (11) is sleeved with a rear nylon shaft sleeve (14), a shell cover plate (2) is welded on one side of the shell (1), a conversion head (15) is fixedly mounted on the other side of the shell (1), a connecting shaft (16) is fixedly mounted at one end of the conversion head (15), and a screw rod type jack (17) is connected with one end of the connecting shaft (16) in a clamping mode.
2. A lead screw jack power assist device as claimed in claim 1, wherein: one end of the worm (5) is matched with one end of the worm shaft sleeve (6), the cross section of the joint of the worm (5) and the worm shaft sleeve (6) is polygonal, and the other end of the worm shaft sleeve (6) is in clearance fit with the electric wrench.
3. A lead screw jack power assist device as claimed in claim 1, wherein: and the left bearing (7) and the right bearing (8) are in interference fit with the worm (5) and are abutted against shaft shoulders at two ends of the worm (5).
4. A lead screw jack power assist device as claimed in claim 1, wherein: the worm wheel (10) is in transition fit with the worm wheel shaft (11), the cross section of the connected part of the worm wheel shaft (11) is polygonal, one end of the worm wheel shaft (11) is in clearance fit with the front nylon shaft sleeve (13), and the other end of the worm wheel shaft (11) is in clearance fit with the rear nylon shaft sleeve (14).
5. A lead screw jack power assist device as claimed in claim 1, wherein: the front nylon shaft sleeve (13) and the rear nylon shaft sleeve (14) are both composed of a large boss and a small boss, a counter bore is formed in the middle of the front nylon shaft sleeve (13), the open end of the counter bore is formed in the middle of the large boss, a through hole is formed in the middle of the rear nylon shaft sleeve (14), one end of the worm wheel shaft (11) is sleeved in the counter bore formed in the middle of the front nylon shaft sleeve (13), and the other end of the worm wheel shaft (11) is sleeved in the through hole formed in the middle of the rear nylon shaft sleeve (14).
6. A lead screw jack power assist device as claimed in claim 5, wherein: one end of a large boss of the front nylon shaft sleeve (13) is in contact with the shell cover plate (2), the other end of the large boss of the front nylon shaft sleeve (13) is in contact with a shaft shoulder on the front side of the worm wheel shaft (11), one end of a large boss of the rear nylon shaft sleeve (14) is in contact with the shell (1), and the other end of the large boss of the rear nylon shaft sleeve (14) is in contact with a shaft shoulder on the rear side of the worm wheel shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110210051.7A CN113023614A (en) | 2021-02-25 | 2021-02-25 | Screw rod type jack power auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110210051.7A CN113023614A (en) | 2021-02-25 | 2021-02-25 | Screw rod type jack power auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113023614A true CN113023614A (en) | 2021-06-25 |
Family
ID=76461533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110210051.7A Pending CN113023614A (en) | 2021-02-25 | 2021-02-25 | Screw rod type jack power auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113023614A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058803Y (en) * | 2007-06-15 | 2008-05-14 | 邵国强 | Electric jack |
| CN201201885Y (en) * | 2008-04-26 | 2009-03-04 | 刘永祯 | Bridge worm wheel worm screw type jack |
| CN103855908A (en) * | 2012-11-30 | 2014-06-11 | 飞秒光电科技(西安)有限公司 | High-reduction-ratio integrated mechanism driven by motor |
| CN104843619A (en) * | 2015-04-23 | 2015-08-19 | 江苏元中直流微电网有限公司 | Effort-saving convenient bottle opener provided with screw jack mechanism and applied to wooden cork packages |
| CN209940354U (en) * | 2019-05-14 | 2020-01-14 | 安徽信息工程学院 | Mechanical jack with multiple output shafts |
| CN212564231U (en) * | 2020-05-13 | 2021-02-19 | 浙江益欣传动设备有限公司 | Worm gear speed reducer with multi-stage output interface structure |
-
2021
- 2021-02-25 CN CN202110210051.7A patent/CN113023614A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058803Y (en) * | 2007-06-15 | 2008-05-14 | 邵国强 | Electric jack |
| CN201201885Y (en) * | 2008-04-26 | 2009-03-04 | 刘永祯 | Bridge worm wheel worm screw type jack |
| CN103855908A (en) * | 2012-11-30 | 2014-06-11 | 飞秒光电科技(西安)有限公司 | High-reduction-ratio integrated mechanism driven by motor |
| CN104843619A (en) * | 2015-04-23 | 2015-08-19 | 江苏元中直流微电网有限公司 | Effort-saving convenient bottle opener provided with screw jack mechanism and applied to wooden cork packages |
| CN209940354U (en) * | 2019-05-14 | 2020-01-14 | 安徽信息工程学院 | Mechanical jack with multiple output shafts |
| CN212564231U (en) * | 2020-05-13 | 2021-02-19 | 浙江益欣传动设备有限公司 | Worm gear speed reducer with multi-stage output interface structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |
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| RJ01 | Rejection of invention patent application after publication |