CN207008952U - A kind of screw of student's safety - Google Patents
A kind of screw of student's safety Download PDFInfo
- Publication number
- CN207008952U CN207008952U CN201720559941.8U CN201720559941U CN207008952U CN 207008952 U CN207008952 U CN 207008952U CN 201720559941 U CN201720559941 U CN 201720559941U CN 207008952 U CN207008952 U CN 207008952U
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- China
- Prior art keywords
- screw
- base
- screw rod
- cover plate
- student
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Abstract
The utility model discloses a kind of screw of student safety, its structure includes bottom plate, screw rod, axle sleeve, base, base screw, housing, spiral lift device, upper lid, through hole, cover plate, cover plate screw, lock sleeve, gear, bottom plate is provided with screw rod, screw rod is wrapped with axle sleeve, axle sleeve is provided with base, base bottom is provided with base screw, base is connected with housing, screw rod is connected with spiral lift device, lid is connected with housing, upper lid is provided with through hole, cover plate is connected with screw rod, cover plate is provided with cover plate screw, lock sleeve is connected with screw rod, lock sleeve has gear.The beneficial effects of the utility model are that the spiral lift device with spiral lifting function is provided with structure, and axle sleeve is provided with outside screw rod, make it more flexible when in use, and security is improved, it can allow student that physical device is targetedly observed and understood on classroom, and it is easy to carry, maintaining is convenient.
Description
Technical field
The utility model is a kind of screw of student's safety, belongs to screw technical field.
Background technology
With the development of China's economic civilization, the technical talent cultivates increasingly by the attention and welcome of enterprise
The scale of all kinds of professional colleges of the technical talent is also more and more huger, and corresponding teaching method and teaching experimental equipment etc.
Also constantly updating.Wherein, because the Manpower Requirement of engineering machinery field is very big, therefore the occupation for engineering machinery class is learned
For school, the scale of expanding the enrollment on the one hand is needed, on the other hand efficiency of teaching is also improved, could so ensure becoming a useful person for student
Rate.For example, the spiral lift device on mixer is engineering machinery field using more frequently equipment, in the religion of vocational school
In, this is essential study project, and now at present when carrying out the teaching of the project, due to the overall volume of mixer
Greatly, cost is relatively expensive, therefore the chance of student's few contact physical devices on classroom, can only pass through mostly
Picture or model are come the construction observing and understand equipment, it is evident that this teaching method relatively falls behind, and student is on classroom
The absorption efficiency of knowledge is relatively low, not only lacks the clear understanding to the structure of physical device, and is difficult to start
The chance of operation, and this is the most important learning link of the engineering machinery class talent, only by frequently contact arrangement, is observed
Device structure is solved, can just understand use, further association's reply handling failure, and this is exactly relatively to be lacked in current teaching process
Weary.
Prior art discloses Application No.：201510031760.3 a kind of spiral lifting for teaching experiment fill
Put, scheme is：Fixing pipe, fall way being installed in fixing pipe, one end of fall way is stretched out fixing pipe and fixed with connecting plate,
The other end of fall way is threadedly coupled with transmission nut；Lock sleeve is installed in the openend of fixing pipe, one end of lock sleeve is consolidated
It is scheduled in fixing pipe, the other end and the fall way of lock sleeve are tightly connected；Transmission nut is threadedly coupled with drive lead screw, driving wire
One end of bar is fixed after passing through fixing pipe with crank, is fixed with handle in the other end of crank, ring is additionally provided with drive lead screw
Shape boss, is also equipped with thrust ball bearing on drive lead screw, thrust ball bearing be located at annular boss and fixing pipe side wall it
Between.But fall way of the prior art is more dumb when in use, use is more inconvenient.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of screw of student's safety,
It is more dumb when in use to solve fall way of the prior art, use the problems such as more inconvenient.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of student's safety
Screw, its structure includes bottom plate, screw rod, axle sleeve, base, base screw, housing, spiral lift device, Shang Gai, logical
Hole, cover plate, cover plate screw, lock sleeve, gear, the bottom plate are provided with screw rod, and the screw rod is wrapped with axle sleeve, the axle sleeve
Base is provided with, the bottom of the base is provided with base screw, and the base is connected with housing, the screw rod and spiral lifting
Device is connected, and lid is connected with the housing, the upper lid is provided with through hole, cover plate is connected with the screw rod, described
Cover plate is provided with cover plate screw, and lock sleeve is connected with the screw rod, and the lock sleeve has gear, the spiral lifting dress
Put and be made up of drive lead screw, bearing, crank, hand wheel, bearing is connected with the drive lead screw, is connected on the drive lead screw
There is crank, the crank is connected with hand wheel.
Further, the bottom plate is connected by axle sleeve with base.
Further, the axle sleeve is the cylinder of hollow out.
Further, the screw rod is connected by spiral lift device with base.
Further, the base is connect by housing and top cap.
Further, the gear is connected with screw rod.
Further, the screw rod is made up of cast steel improves its support force.
Further, the hand wheel is made up of rubber improves its frictional force.
The beneficial effects of the utility model are that the spiral lift device with spiral lifting function is provided with structure, and
And axle sleeve is provided with outside screw rod, make it when in use more flexibly, and security is improved, and can allow student in classroom
On targetedly observe and understand physical device, and easy to carry, maintaining is convenient.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of part section structural representation of the screw of student's safety of the utility model；
Fig. 2 is a kind of side structure schematic view of the screw of student's safety of the utility model.
In figure：Bottom plate -1, screw rod -2, axle sleeve -3, base -4, base screw -5, housing -6, spiral lift device -7, on
Lid -8, through hole -9, cover plate -10, cover plate screw -11, lock sleeve -12, gear -13, drive lead screw -701, bearing -702, crank -
703rd, hand wheel -704.
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of screw of student's safety, and its structure includes bottom plate
1st, screw rod 2, axle sleeve 3, base 4, base screw 5, housing 6, spiral lift device 7, upper lid 8, through hole 9, cover plate 10, cover plate screw
11st, lock sleeve 12, gear 13, the bottom plate 1 are provided with screw rod 2, and the screw rod 2 is wrapped with axle sleeve 3, set on the axle sleeve 3
There is base 4, the bottom of the base 4 is provided with base screw 5, and the base 4 is connected with housing 6, the screw rod 2 and spiral liter
Falling unit 7 is connected, and lid 8 is connected with the housing 6, and the upper lid 8 is provided with through hole 9, lid is connected with the screw rod 2
Plate 10, the cover plate 10 are provided with cover plate screw 11, lock sleeve 12 are connected with the screw rod 2, and the lock sleeve 12 has
Gear 13, the spiral lift device 7 are made up of drive lead screw 701, bearing 702, crank 703, hand wheel 704, the transmission
Bearing 702 is connected with screw mandrel 701, crank 703, the crank 703 and hand wheel 704 are connected with the drive lead screw 701
It is connected, the bottom plate 1 is connected by axle sleeve 3 with base 4, and the axle sleeve 3 is the cylinder of hollow out, and the screw rod 2 passes through spiral shell
Rotation lowering or hoisting gear 7 is connected with base 4, and the base 4 is connected by housing 6 with upper lid 8, and the gear 13 is connected with screw rod 2,
The screw rod 2 is made up of cast steel improves its support force, and the hand wheel 704 is made up of rubber improves its frictional force.
Screw rod 2 described in this patent is that outer surface cuts with the cylinder of helicla flute or cuts with the circular cone of Conical Spiral Groove, institute
It is a kind of important spare part in contemporary plant equipment to state bearing 702.Its major function is the mechanical rotary body of support, reduces its fortune
Coefficient of friction during dynamic, and ensure its rotating accuracy.
Screw rod 2 is connected by spiral lift device 7 with base 4 when user wants to use this patent, by bolt
Base screw 5 on base 4 is connected with workbench, crank 703 is rotated to make drive lead screw by hand wheel 704
701 carry out helical rotation, so as to drive the rotation of screw rod 2 to make upper lid 8 carry out spiral.
Bottom plate 1 of the present utility model, screw rod 2, axle sleeve 3, base 4, base screw 5, housing 6, spiral lift device 7, on
Lid 8, through hole 9, cover plate 10, cover plate screw 11, lock sleeve 12, gear 13, drive lead screw 701, bearing 702, crank 703, operation
Wheel 704, the part that part is universal standard part or those skilled in the art know, its structure and principle are all this technology personnel
It can be learnt by technical manual or be known by normal experiment method, the utility model solves the problems, such as it is of the prior art
Fall way is more dumb when in use, and use is more inconvenient, and the utility model is combined with each other by above-mentioned part, make its
It is more flexible during use, and security is improved, and student can be allowed targetedly to observe and understand on classroom and actually set
Standby and easy to carry, maintaining is convenient, described in detail below：
Screw rod 2 is connected with spiral lift device 7, and lid 8 is connected with the housing 6, and the upper lid 8 is provided with through hole
9, cover plate 10 is connected with the screw rod 2, and the cover plate 10 is provided with cover plate screw 11, lock sleeve is connected with the screw rod 2
12, the lock sleeve 12 has gear 13, and the spiral lift device 7 is by drive lead screw 701, bearing 702, crank 703, behaviour
Make the composition of wheel 704, be connected with bearing 702 on the drive lead screw 701, crank 703, institute are connected with the drive lead screw 701
Crank 703 is stated with hand wheel 704 to be connected.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
- A kind of 1. screw of student's safety, it is characterised in that：Its structure include bottom plate (1), screw rod (2), axle sleeve (3), Base (4), base screw (5), housing (6), spiral lift device (7), upper lid (8), through hole (9), cover plate (10), cover plate screw (11), lock sleeve (12), gear (13), the bottom plate (1) are provided with screw rod (2), and the screw rod (2) is wrapped with axle sleeve (3), The axle sleeve (3) is provided with base (4), and the bottom of the base (4) is provided with base screw (5), the base (4) and housing (6) it is connected, the screw rod (2) is connected with spiral lift device (7), and lid (8) is connected with the housing (6), described Upper lid (8) is provided with through hole (9), cover plate (10) is connected with the screw rod (2), the cover plate (10) is provided with cover plate screw (11) lock sleeve (12), is connected with the screw rod (2), the lock sleeve (12) has gear (13), the spiral lifting Device (7) is made up of drive lead screw (701), bearing (702), crank (703), hand wheel (704), the drive lead screw (701) On be connected with bearing (702), crank (703), the crank (703) and hand wheel are connected with the drive lead screw (701) (704) it is connected.
- A kind of 2. screw of student's safety according to claim 1, it is characterised in that：The bottom plate (1) passes through Axle sleeve (3) is connected with base (4).
- A kind of 3. screw of student's safety according to claim 1, it is characterised in that：The axle sleeve (3) is to engrave Empty cylinder.
- A kind of 4. screw of student's safety according to claim 1, it is characterised in that：The screw rod (2) passes through Spiral lift device (7) is connected with base (4).
- A kind of 5. screw of student's safety according to claim 1, it is characterised in that：The base (4) passes through Housing (6) is connected with upper lid (8).
- A kind of 6. screw of student's safety according to claim 1, it is characterised in that：The gear (13) and spiral shell Bar (2) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559941.8U CN207008952U (en) | 2017-05-19 | 2017-05-19 | A kind of screw of student's safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559941.8U CN207008952U (en) | 2017-05-19 | 2017-05-19 | A kind of screw of student's safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207008952U true CN207008952U (en) | 2018-02-13 |
Family
ID=61444989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720559941.8U Expired - Fee Related CN207008952U (en) | 2017-05-19 | 2017-05-19 | A kind of screw of student's safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207008952U (en) |
-
2017
- 2017-05-19 CN CN201720559941.8U patent/CN207008952U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20190519 |