CN208223687U - A kind of portable weight beam of physics teaching - Google Patents
A kind of portable weight beam of physics teaching Download PDFInfo
- Publication number
- CN208223687U CN208223687U CN201820481819.8U CN201820481819U CN208223687U CN 208223687 U CN208223687 U CN 208223687U CN 201820481819 U CN201820481819 U CN 201820481819U CN 208223687 U CN208223687 U CN 208223687U
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- China
- Prior art keywords
- fixedly connected
- shell
- baffle
- support plate
- spring
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Abstract
The utility model discloses a kind of portable weight beams of physics teaching, including shell, fixed block is fixedly connected at the top of inner walls, the bottom of fixed block is fixedly connected with dynamometer spring, the bottom of dynamometer spring is fixedly connected with dynamometer link, the surface of dynamometer link is fixedly connected with indicateing arm, and the bottom end of dynamometer link is through shell and extends to the outside of shell and is fixedly connected with hook.The utility model is by sliding rail, sliding block, limit plate, bolt, first baffle, second baffle, driving motor, turntable, connecting rope and struts spring mutual cooperation; so that physics teaching weight beam is easy to carry; on the one hand the damage of Physical Experiment apparatus caused by as being hooked to other Physical Experiment apparatus is avoided; extend the service life of weight beam; on the other hand it is effectively protected experiment appliance, ensure that effective progress of experiment.
Description
Technical field
The utility model relates to physical teaching aid technical field, the portable spring of specially a kind of physics teaching
Dynamometer.
Background technique
Weight beam is a kind of tool of the size of dynamometry, applies to physical mechanics, mainly by spring, hook, scale
Disk is constituted.It is in using preceding and use it is noted that some items.Measurement any first is all by some physical quantity and standard
The process that (i.e. unit) compares, the measurement of power are exactly the process by the function and effect of power compared with the function and effect of known force.Bullet
The principle of spring dynamometer: if the function and effect of a power are identical as the function and effect of 1 Niu Li, the size of this power is exactly 1 N.
The elongation of next spring is directly proportional to the size of institute's stress, after the function and effect for determining 1 Niu Li, in this way it is easy to determine bigger power
With the function and effect of smaller power.In addition, the stability of spring is preferable, may be reused.Therefore weight beam can be used
The size of measuring force.Weight beam links up with the outside that weight beam ontology is arranged in, and can be easy to be hooked to it in carrying process
On the one hand his physical devices be easy to cause hook and the damage of other physical devices, shorten weight beam uses the longevity
Life, the damage of another party's physical devices affect the normal use of Physical Experiment utensil, influence experiment process.
Utility model content
The purpose of this utility model is to provide a kind of portable weight beam of physics teaching, have convenient for taking
The advantages of band, solves the problems, such as that existing physics teaching weight beam is not readily portable.
To achieve the above object, the utility model provides the following technical solutions: a kind of portable bullet of physics teaching
Spring dynamometer, including shell are fixedly connected with fixed block at the top of the inner walls, and the bottom of the fixed block is fixedly connected
There is dynamometer spring, the bottom of the dynamometer spring is fixedly connected with dynamometer link, and the surface of the dynamometer link is fixedly connected with instruction
Mark, the bottom end of the dynamometer link is through shell and extends to the outside of shell and is fixedly connected with hook, before the housing bottom
The two sides and position being located on the right side of dynamometer link is fixedly connected to and struts spring afterwards, two bottoms for strutting spring pass through first gear
Plate is fixedly connected, and the position of the corresponding hook in the top of the first baffle offers port, and sight is offered on the left of the shell
Cha Kou, front and rear sides on the left of the shell and the position for being located at observation panel opening are provided with graduation mark, the shell
Front and rear sides are fixedly connected to sliding rail, and the sliding rail slidably connects sliding block, the left side of the sliding block far from the side of shell
Be fixedly connected with limit plate, the limit plate is threaded with bolt far from the side of shell, the bolt close to shell one
Side through limit plate and extend to its it is external contacts with each other with shell, be fixedly connected with connecting plate on the right side of the sliding block, two
The right side of connecting plate is fixedly connected by second baffle, and the bottom of the second baffle is fixedly connected with first baffle, two cunnings
The bottom of block is fixedly connected by first baffle, and the front side on the right side of the shell is fixedly connected with the first support plate, the shell
It is fixedly connected with the second support plate on rear side of right side, driving motor, the driving electricity are provided on front side of first support plate
Be fixedly connected with drive shaft on the output shaft of machine, the rear end of the drive shaft sequentially pass through from front to back the first support plate and
Second support plate and the outside for extending to the second support plate, the surface of the drive shaft and be located at the first support plate with second
Position between fagging is fixedly connected with turntable, is fixedly connected between the turntable and first baffle by connecting rope, the shell
Hanging ring is fixedly connected at the top of body.
Preferably, fixed plate is fixedly connected at the top of the sliding rail, the fixed plate is close to the fixed company in the side of shell
It connects in the side of shell.
Preferably, reinforcement block, the top of the reinforcement block and the bottom of limit plate are fixedly connected on the left of the sliding block
It is fixedly connected.
Preferably, the bottom on the connecting rope surface is fixedly connected with rigidized cover, the bottom of the rigidized cover and first gear
It is fixedly connected at the top of plate.
Preferably, the surface of the drive shaft and the position between the first support plate and turntable are fixedly connected limited
Position ring, the front side of the stop collar contacts with each other with the first support plate.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model passes through sliding rail, sliding block, limit plate, bolt, first baffle, second baffle, driving motor, turns
Disk, connecting rope and spring mutual cooperation is strutted, so that physics teaching weight beam is easy to carry, passes through first baffle and the
Two baffles will be linked up with and be separated with outside, and Physical Experiment caused by as being hooked to other Physical Experiment apparatus is on the one hand avoided
The damage of apparatus extends the service life of weight beam, is on the other hand effectively protected experiment appliance, and ensure that experiment has
Effect carries out.
2, the utility model plays the role of reinforcing the connection of sliding rail and shell by the way that fixed plate is arranged, and is added by setting
Gu block plays the role of reinforcing the connection of limit plate and sliding block, reinforcing connecting rope and first gear are played by the way that rigidized cover is arranged
The effect of the connection of plate plays the role of limitation drive shaft by setting stop collar and sways forwards and backwards.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure of the utility model front view；
Fig. 2 is the structural schematic diagram of the utility model left view；
Fig. 3 is the structural schematic diagram of the utility model top view.
In figure: 1 shell, 2 fixed blocks, 3 dynamometer springs, 4 dynamometer links, 5 indicateing arms, 6 hooks, 7 strut spring, 8 first gear
Plate, 9 ports, 10 observation panels, 11 graduation marks, 12 sliding rails, 13 sliding blocks, 14 limit plates, 15 bolts, 16 connecting plates, 17 second baffles,
18 first support plates, 19 second support plates, 20 driving motors, 21 drive shafts, 22 turntables, 23 connecting ropes, 24 hanging rings, 25 are fixed
Plate, 26 reinforcement blocks, 27 rigidized covers, 28 stop collars.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of portable weight beam of physics teaching, including shell 1 are please referred to, 1 inner wall of shell
Top is fixedly connected with fixed block 2, and the bottom of fixed block 2 is fixedly connected with dynamometer spring 3, is played by the way that dynamometer spring 3 is arranged
The effect of measuring force, the size of power is measured by the tensile elongation of dynamometer spring 3, the bottom of dynamometer spring 3 is fixedly connected
There is dynamometer link 4, the surface of dynamometer link 4 is fixedly connected with indicateing arm 5, plays by setting indicateing arm 5 and facilitates observation scale
Effect, the bottom end of dynamometer link 4 is through shell 1 and extends to the outside of shell 1 and is fixedly connected with hook 6, passes through setting 6 sides of hook
Just it connects by the effect of dynamometry object, the front and rear sides of 1 bottom of shell and is fixedly connected to positioned at the position on 4 right side of dynamometer link
Spring 7 is strutted, two bottoms for strutting spring 7 are fixedly connected by first baffle 8, strut spring 7 by setting and play support
The effect of first baffle 8 is opened, the position of the corresponding hook 6 in the top of first baffle 8 offers port 9, and the left side of shell 1 offers
Observation panel 10, the front and rear sides in 1 left side of shell and the position for being located at 10 opening of observation panel are provided with graduation mark 11, by setting
The size that graduation mark 11 is convenient for observation is set, the front and rear sides of shell 1 are fixedly connected to sliding rail 12, and the top of sliding rail 12 is fixed
It is connected with fixed plate 25, the fixed plate 25 is fixedly connected on the side of shell 1 close to the side of shell 1, fixes by setting
Plate 25 plays the role of reinforcing the connection of sliding rail 12 and shell 1, and sliding rail 12 slidably connects sliding block far from the side of shell 1
13, the left side of sliding block 13 is fixedly connected with limit plate 14, and the left side of sliding block 13 is fixedly connected with reinforcement block 26, the top of reinforcement block 26
Portion is fixedly connected with the bottom of limit plate 14, plays what reinforcing limit plate 14 was connect with sliding block 13 by the way that reinforcement block 26 is arranged
Effect, limit plate 14 are threaded with bolt 15 far from the side of shell 1, play limit by setting limit plate 14 and bolt 15
The effect that sliding block 13 processed moves, bolt 15 through limit plate 14 and extend to its external and shell 1 mutually close to the side of shell 1
Contact, the right side of sliding block 13 are fixedly connected with connecting plate 16, and the right side of two connecting plates 16 is fixedly connected by second baffle 17,
It is cooperated by sliding block 13 and sliding rail 12, sliding block 13 is moved along sliding rail 12 always, is first baffle 8,17 and of second baffle
Connecting plate 16 maintains the effect of motion profile, mutual by setting first baffle 8, second baffle 17, connecting plate 16 and sliding rail 12
Cooperation plays the role of protection hook 6 so that hook 6 is isolated from the outside, and the bottom of second baffle 17 and first baffle 8 are solid
The bottom of fixed connection, two sliding blocks 13 is fixedly connected by first baffle 8, and the front side on 1 right side of shell is fixedly connected with first
The rear side of fagging 18,1 right side of shell is fixedly connected with the second support plate 19, and the front side of the first support plate 18 is provided with driving motor
20, play the role of providing rotary power by the way that driving motor 20 is arranged, be fixedly connected on the output shaft of driving motor 20
Drive shaft 21, the rear end of drive shaft 21 sequentially pass through the first support plate 18 and the second support plate 19 from front to back and extend to
The outside of second support plate 19, the surface of drive shaft 21 and the position between the first support plate 18 and the second support plate 19
It is fixedly connected with turntable 22, the surface of drive shaft 21 and is located at the first support plate 18 and is fixedly connected with the position between turntable 22
Restraining position ring block 28, the front side of stop collar 28 contact with each other with the first support plate 18, play limitation drive by the way that stop collar 28 is arranged
The effect that turn axis 21 sways forwards and backwards is fixedly connected by connecting rope 23 between turntable 22 and first baffle 8, passes through driving motor
20, drive shaft 21, turntable 22 and the mutual cooperation of connecting rope 23 play the role of pulling first baffle 8,20 band of driving motor
Dynamic drive shaft 21 rotates, and drive shaft 21 drives turntable 22 to rotate, and turntable 22 winds connecting rope 23, so that connecting rope 23 pulls
First baffle 8, the bottom on 23 surface of connecting rope are fixedly connected with rigidized cover 27, the bottom of rigidized cover 27 and the top of first baffle 8
Portion is fixedly connected, and plays the role of reinforcing the connection of connecting rope 23 and first baffle 8 by the way that rigidized cover 27 is arranged, shell 1
Top is fixedly connected with hanging ring 24, by sliding rail 12, sliding block 13, limit plate 14, bolt 15, first baffle 8, second baffle 17,
Driving motor 20, turntable 22, connecting rope 23 and the mutual cooperation of spring 7 is strutted, so that physics teaching weight beam is convenient for taking
Band is separated with outside by linking up with 6 by first baffle 8 and second baffle 17, is on the one hand avoided since hook 6 is hooked to other objects
The damage for managing Physical Experiment apparatus caused by experiment appliance extends the service life of weight beam, on the other hand effectively protects
Experiment appliance is protected, ensure that effective progress of experiment.
In use, loosering a bolt 15, start driving motor 20, driving motor 20 drives drive shaft 21 to rotate, and driving turns
Axis 21 drives turntable 22 to rotate, and turntable 22 constantly winds the connecting rope 23 for being connected to 22 surface of turntable, and then reaches pulling the
The effect of one baffle 8, first baffle 8 be connected to second baffle 17, connecting plate 16 and the sliding block 13 at the top of first baffle 8 to
Upper movement, sliding block 13 on sliding rail 12 stablize movement, ensure that first baffle 8 stablize movement, first baffle 8 move up by
The compression of spring 7 is strutted, when hook 6 passes completely through the port 9 on first baffle 8, driving motor 20 is closed, tightens bolt 15,
It is limited, when not, loosers a bolt 15, first baffle 8 is softened under the action of strutting spring 7, will keep off hook 6
Firmly, bolt 15 is tightened, is limited.
In summary: the portable weight beam of the physics teaching, by sliding rail 12, sliding block 13, limit plate 14,
Bolt 15, first baffle 8, second baffle 17, driving motor 20, turntable 22, connecting rope 23 and strut spring 7 mutual cooperation, solution
It has determined the not readily portable problem of existing physics teaching weight beam.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of portable weight beam of physics teaching, including shell (1), it is characterised in that: in the shell (1)
It is fixedly connected at the top of wall fixed block (2), the bottom of the fixed block (2) is fixedly connected with dynamometer spring (3), the dynamometry
The bottom of spring (3) is fixedly connected with dynamometer link (4), and the surface of the dynamometer link (4) is fixedly connected with indicateing arm (5), described
The bottom end of dynamometer link (4) is through shell (1) and extends to the outside of shell (1) and is fixedly connected with hook (6), the shell (1)
Front and rear sides of the bottom and position being located on the right side of dynamometer link (4) is fixedly connected to and struts spring (7), two strut spring
(7) bottom is fixedly connected by first baffle (8), and the position of the corresponding hook (6) in the top of the first baffle (8) offers
Port (9) offers observation panel (10) on the left of the shell (1), the front and rear sides on the left of the shell (1) and is located at observation
The position of mouth (10) opening is provided with graduation mark (11), and the front and rear sides of the shell (1) are fixedly connected to sliding rail
(12), the sliding rail (12) slidably connects sliding block (13) far from the side of shell (1), and the left side of the sliding block (13) is fixed to be connected
It is connected to limit plate (14), the limit plate (14) is threaded with bolt (15) far from the side of shell (1), the bolt (15)
Run through limit plate (14) close to the side of shell (1) and extend to its outside and contacts with each other with shell (1), the sliding block (13)
Right side is fixedly connected with connecting plate (16), and the right sides of two connecting plates (16) is fixedly connected by second baffle (17), and described the
The bottom of two baffles (17) is fixedly connected with first baffle (8), and the bottom of two sliding blocks (13) connects by the way that first baffle (8) are fixed
It connects, the front side on the right side of the shell (1) is fixedly connected with the first support plate (18), and the rear side on the right side of the shell (1) is fixed to be connected
It is connected to the second support plate (19), is provided with driving motor (20), the driving motor on front side of first support plate (18)
(20) it is fixedly connected on output shaft drive shaft (21), the rear end of the drive shaft (21) sequentially passes through from front to back
One support plate (18) and the second support plate (19) and the outside for extending to the second support plate (19), the table of the drive shaft (21)
The face and position between the first support plate (18) and the second support plate (19) is fixedly connected with turntable (22), the turntable
(22) it is fixedly connected between first baffle (8) by connecting rope (23), is fixedly connected with hanging ring at the top of the shell (1)
(24).
2. a kind of portable weight beam of physics teaching according to claim 1, it is characterised in that: the cunning
It is fixedly connected at the top of rail (12) fixed plate (25), the fixed plate (25) is fixedly connected on shell close to the side of shell (1)
The side of body (1).
3. a kind of portable weight beam of physics teaching according to claim 1, it is characterised in that: the cunning
It is fixedly connected on the left of block (13) reinforcement block (26), the fixed company in the top of the reinforcement block (26) and the bottom of limit plate (14)
It connects.
4. a kind of portable weight beam of physics teaching according to claim 1, it is characterised in that: the company
The bottom on splicing (23) surface is fixedly connected with rigidized cover (27), the bottom of the rigidized cover (27) and the top of first baffle (8)
Portion is fixedly connected.
5. a kind of portable weight beam of physics teaching according to claim 1, it is characterised in that: the drive
The surface of turn axis (21) and the position between the first support plate (18) and turntable (22) is fixedly connected with restraining position ring block (28),
The front side of the stop collar (28) contacts with each other with the first support plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820481819.8U CN208223687U (en) | 2018-04-08 | 2018-04-08 | A kind of portable weight beam of physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820481819.8U CN208223687U (en) | 2018-04-08 | 2018-04-08 | A kind of portable weight beam of physics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208223687U true CN208223687U (en) | 2018-12-11 |
Family
ID=64513993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820481819.8U Expired - Fee Related CN208223687U (en) | 2018-04-08 | 2018-04-08 | A kind of portable weight beam of physics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208223687U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675707A (en) * | 2019-10-23 | 2020-01-10 | 芜湖市科源教学设备有限公司 | Demonstrator for force exertion and reaction force for teaching |
| CN111928976A (en) * | 2020-08-07 | 2020-11-13 | 常州固高智能装备技术研究院有限公司 | Flat dynamometer for experiment teaching |
-
2018
- 2018-04-08 CN CN201820481819.8U patent/CN208223687U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675707A (en) * | 2019-10-23 | 2020-01-10 | 芜湖市科源教学设备有限公司 | Demonstrator for force exertion and reaction force for teaching |
| CN110675707B (en) * | 2019-10-23 | 2021-06-01 | 芜湖市科源教学设备有限公司 | Demonstrator for force exertion and reaction force for teaching |
| CN111928976A (en) * | 2020-08-07 | 2020-11-13 | 常州固高智能装备技术研究院有限公司 | Flat dynamometer for experiment teaching |
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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: 20181211 Termination date: 20190408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |