CN208443501U - A kind of Physical Experiment weight beam being conveniently replaceable spring - Google Patents
A kind of Physical Experiment weight beam being conveniently replaceable spring Download PDFInfo
- Publication number
- CN208443501U CN208443501U CN201820383607.6U CN201820383607U CN208443501U CN 208443501 U CN208443501 U CN 208443501U CN 201820383607 U CN201820383607 U CN 201820383607U CN 208443501 U CN208443501 U CN 208443501U
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- CN
- China
- Prior art keywords
- shell
- lid
- spring
- mounting blocks
- conveniently replaceable
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Physical Experiment weight beams for being conveniently replaceable spring, including shell and dynamometer spring, the shell uses hollow structure, the dynamometer spring is located in shell, one end of the shell is equipped with lid, the shell offers opening far from one end of lid, the side wall of the shell offers displaying window, the side wall for showing window offers scale, the both ends of the dynamometer spring have been respectively fixedly connected with mounting blocks and drag hook, the lid is equipped with fixed device close to one end of shell, the two sides inner wall of shell position corresponding with mounting blocks offers fluting, clamping close device is installed in the fluting.The utility model stable structure, easy to operate, design is scientific and reasonable, by the setting of fixed device, can further improve the stability of dynamometer spring by the setting of clamping close device convenient for the installation and removal of dynamometer spring, use convenient for material resources test.
Description
Technical field
The utility model relates to weight beam technical field more particularly to a kind of Physical Experiment use for being conveniently replaceable spring
Weight beam.
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.But material resources experiment weight beam in the prior art can not replace spring, due to the improper operation of students,
It is easy the fatigue wear of acceleration spring, causes weight beam to need integral replacing, increases cost.
Utility model content
Purpose of the utility model is to solve weight beams in the prior art can not replace spring, due to students
Improper operation, be easy acceleration spring fatigue wear, cause weight beam to need integral replacing, increase asking for cost
Topic, and a kind of Physical Experiment weight beam for being conveniently replaceable spring proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of Physical Experiment weight beam being conveniently replaceable spring, including shell and dynamometer spring, the shell are adopted
With hollow structure, the dynamometer spring is located in shell, and one end of the shell is equipped with lid, and the shell is far from lid
One end offers opening, and the side wall of the shell offers displaying window, and the side wall for showing window offers scale, the dynamometry
The both ends of spring have been respectively fixedly connected with mounting blocks and drag hook, and the lid is equipped with fixed device, institute close to one end of shell
Stating fixed device includes the shaft being rotatably connected in the middle part of lid, and the shaft is arranged with driving gear close to one end of shell,
The two sides of the driving gear are engaged with driven gear, screw are inserted in the middle part of the driven gear, and screw rotation connects
It connects on lid, mounting blocks position corresponding with screw is equipped with nut, and screw is connect with nut thread；
The two sides inner wall of shell position corresponding with mounting blocks offers fluting, and engaging dress is equipped in the fluting
It sets.
Preferably, the fixed device includes the shaft being rotatably connected in the middle part of lid, the shaft close to shell one
End cap is equipped with driving gear, and the two sides of the driving gear are engaged with driven gear, are inserted in the middle part of the driven gear
Screw, and screw is rotatably connected on lid, mounting blocks position corresponding with screw is equipped with nut, and screw and nut
It is threadedly coupled.
Preferably, the screw is rotatably connected on lid by miniature bearing.
Preferably, the clamping close device includes the fixture block being symmetrically rotatably connected on shell, and two fixture blocks are mutually remote
From one end be fixedly connected to drawstring, the one end of the drawstring far from fixture block is through lid and is fixedly connected with pull ring, described
The two sidewalls of lid are mounted on hook, and the upper end of the fixture block is equipped with reset spring, and the reset spring is far from fixture block
One end is fixedly connected with mounting blocks, and mounting blocks are fixedly connected on the inner wall of the housing.
Preferably, the fixture block uses L-type structure.
Preferably, the shell and lid are made of integrated formed structure.
Compared with prior art, the utility model has following advantages:
The utility model stable structure, easy to operate, design is scientific and reasonable, can be convenient for survey by the setting of fixed device
The installation and removal of power spring can further improve the stability of dynamometer spring by the setting of clamping close device, be convenient for material resources
Test uses.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Physical Experiment weight beam for being conveniently replaceable spring structural representation
Figure；
Fig. 2 be the utility model proposes a kind of Physical Experiment weight beam for being conveniently replaceable spring internal structure
Schematic diagram；
Fig. 3 be the utility model proposes a kind of top enlarged structure schematic diagram for being conveniently replaceable spring.
In figure: 1 shell, 2 show window, 3 scales, 4 drag hooks, 5 lids, 6 dynamometer springs, 7 mounting blocks, 8 fixed devices, 9 cards
Attach together set, 10 nuts, 11 screws, 12 driven gears, 13 driving gears, 14 shafts, 15 fixture blocks, 16 drawstrings, 17 reset springs,
18 hooks.
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.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-3, a kind of Physical Experiment weight beam being conveniently replaceable spring, including shell 1 and dynamometer spring
6, shell 1 uses hollow structure, and dynamometer spring 6 is located in shell 1, and one end of shell 1 is equipped with lid 5, shell 1 and lid 5
It is made of integrated formed structure, integrated formed structure possesses better mechanical performance, and durable, shell 1 is far from lid 5
One end offers opening, and the side wall of shell 1, which offers, shows window 2, shows that the side wall of window 2 offers scale 3, dynamometer spring 6
Both ends have been respectively fixedly connected with mounting blocks 7 and drag hook 4；
Lid 5 is equipped with fixed device 8 close to one end of shell 1, fixed device 8 drive two movements of screws 11 to
The mating engaging of nut 10 on mounting blocks 7, fixed device 8 include the shaft 14 for being rotatably connected on 5 middle part of lid, and shaft 14 is close
One end of shell 1 is arranged with driving gear 13, and the two sides of driving gear 13 are engaged with driven gear 12, driven gear 12
Middle part is inserted with screw 11, and screw 11 is rotatably connected on lid 5, and screw 11 is rotatably connected on lid 5 by miniature bearing
On, installation and fixation are played the role of in the setting of deep groove ball bearing, so that meeting screw 11 can only realize rotation, mounting blocks 7 and spiral shell
11 corresponding positions of silk are equipped with nut 10, and screw 11 is threadedly coupled with nut 10；
The two sides inner wall of shell 1 position corresponding with mounting blocks 7 offers fluting, and clamping close device 9 is equipped in fluting, card
It attaches together and sets 9 and mounting blocks 7 can be lifted by fixture block 15, clamping close device 9 includes the fixture block being symmetrically rotatably connected on shell 1
15, L-type structure can be used in fixture block 15, and one end that two fixture blocks 15 are located remotely from each other is fixedly connected to drawstring 16, and drawstring 16 is remote
One end from fixture block 15 through lid 5 and is fixedly connected with pull ring, and the two sidewalls of lid 5 are mounted on hook 18, fixture block 15
Upper end is equipped with reset spring 17, and reset spring 17 is fixedly connected with mounting blocks far from one end of fixture block 15, and mounting blocks are fixed
It is connected on the inner wall of shell 1.
When the utility model is used, it is tested by the drag hook 4 of bottom, when being needed replacing after spring fatigue damage,
Pull ring is pulled, pull ring drives the drawstring 16 of connection fixed thereto to move, and drawstring 16 pulls fixture block 15 to move after moving, due to fixture block
15 are rotatably connected on shell 1, at this time can separate fixture block 15 under state from lifting for mounting blocks 7, then artificial force rotation
Shaft 14, shaft 14 drive the driving gear 13 of connection fixed thereto to rotate after rotating, and after driving gear 13 rotates and then drive
The driven gear 12 being engaged with rotates, and driven gear 12 drives the screw 11 of connection fixed thereto to rotate after rotating, screw 11
With 10 rotating separation of nut, the opening of 6 lid 5 of dynamometer spring can be taken out at this time, similarly, when loading rotates backward shaft 14
Fixation can be realized.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of Physical Experiment weight beam for being conveniently replaceable spring, including shell (1) and dynamometer spring (6), the shell
Body (1) uses hollow structure, and the dynamometer spring (6) is located in shell (1), which is characterized in that pacifies one end of the shell (1)
Equipped with lid (5), the shell (1) offers opening far from the one end of lid (5), and the side wall of the shell (1) offers exhibition
Show window (2), the side wall for showing window (2) offers scale (3), and the both ends of the dynamometer spring (6) have been respectively fixedly connected with
Mounting blocks (7) and drag hook (4), the lid (5) are equipped with fixed device (8) close to the one end of shell (1), the fixed device
It (8) include the shaft (14) being rotatably connected in the middle part of lid (5), the shaft (14) is arranged with master close to the one end of shell (1)
The two sides of moving gear (13), the driving gear (13) are engaged with driven gear (12), the middle part of the driven gear (12)
It is inserted with screw (11), and screw (11) is rotatably connected on lid (5), the mounting blocks (7) position corresponding with screw (11)
It sets and is equipped with nut (10), and screw (11) is threadedly coupled with nut (10)；
The two sides inner wall position corresponding with mounting blocks (7) of the shell (1) offers fluting, and engaging is equipped in the fluting
Device (9).
2. a kind of Physical Experiment weight beam for being conveniently replaceable spring according to claim 1, which is characterized in that institute
Screw (11) is stated to be rotatably connected on lid (5) by miniature bearing.
3. a kind of Physical Experiment weight beam for being conveniently replaceable spring according to claim 1, which is characterized in that institute
Stating clamping close device (9) includes the fixture block (15) being symmetrically rotatably connected on shell (1), what two fixture blocks (15) were located remotely from each other
One end is fixedly connected to drawstring (16), and the one end of the drawstring (16) far from fixture block (15) is through lid (5) and is fixedly connected
There is pull ring, the two sidewalls of the lid (5) are mounted on hook (18), and the upper end of the fixture block (15) is equipped with reset spring
(17), the reset spring (17) is fixedly connected with mounting blocks far from the one end of fixture block (15), and mounting blocks are fixedly connected on shell
On the inner wall of body (1).
4. a kind of Physical Experiment weight beam for being conveniently replaceable spring according to claim 3, which is characterized in that institute
Fixture block (15) are stated using L-type structure.
5. a kind of Physical Experiment weight beam for being conveniently replaceable spring according to claim 1, which is characterized in that institute
It states shell (1) and lid (5) is made of integrated formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820383607.6U CN208443501U (en) | 2018-03-21 | 2018-03-21 | A kind of Physical Experiment weight beam being conveniently replaceable spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820383607.6U CN208443501U (en) | 2018-03-21 | 2018-03-21 | A kind of Physical Experiment weight beam being conveniently replaceable spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208443501U true CN208443501U (en) | 2019-01-29 |
Family
ID=65093233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820383607.6U Expired - Fee Related CN208443501U (en) | 2018-03-21 | 2018-03-21 | A kind of Physical Experiment weight beam being conveniently replaceable spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208443501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639900A (en) * | 2021-08-19 | 2021-11-12 | 临夏回族自治州计量测试检定所 | Dynamometer and display method |
-
2018
- 2018-03-21 CN CN201820383607.6U patent/CN208443501U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639900A (en) * | 2021-08-19 | 2021-11-12 | 临夏回族自治州计量测试检定所 | Dynamometer and display method |
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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: 20190129 Termination date: 20200321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |