CN209541841U - A kind of impact resistant rotation damping level switch - Google Patents
A kind of impact resistant rotation damping level switch Download PDFInfo
- Publication number
- CN209541841U CN209541841U CN201822259909.5U CN201822259909U CN209541841U CN 209541841 U CN209541841 U CN 209541841U CN 201822259909 U CN201822259909 U CN 201822259909U CN 209541841 U CN209541841 U CN 209541841U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- sheath
- level switch
- impact resistant
- damping level
- 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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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a kind of impact resistant rotation damping level switch, including shell, transmission shaft, vane and sheath, transmission shaft one end is rotatably connected on shell side, vane is connected in the transmission shaft other end, sheath is socketed in outside transmission shaft, wherein, transmission shaft is telescopic rod, sheath is flexible tubular, it is 1cm that sheath internal diameter, which is greater than transmission shaft outer diameter, sheath and transmission shaft with the spacing between section, and sheath elongation is identical as transmission shaft elongation, the advantages of the utility model has the impact for reducing blocky-shaped particle, improves transmission shaft service life.
Description
Technical field
The utility model relates to measuring device fields, specifically, being related to a kind of impact resistant rotation damping level switch.
Background technique
Resistance rotation level switch is that driving device is done using micro motor, and transmission shaft is connected with clutch, when not in contact with object
When material, motor runs well, and when blade contact material, motor stops operating, and detection device exports a contact point signal, cuts simultaneously
Power-off source stops operating, and when material decline, resistance suffered by blade disappears, and detection device is restored to original shape by torque spring
State.
When in use, because transmission shaft diameter is thinner, suffered impact is larger when by material raising and lowering, then transmission shaft
It is pliable, cause resistance rotation level switch damage, the service life of extreme influence resistance rotation level switch.
Utility model content
In place of solving above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of impact resistant rotations
Level switch, to overcome defect in the prior art.
To achieve the goals above, the utility model provides a kind of impact resistant rotation damping level switch, including shell, transmission
Axis, vane and sheath, transmission shaft one end are rotatably connected on shell side, and vane is connected in the transmission shaft other end, and sheath is socketed in
Outside transmission shaft, wherein transmission shaft is telescopic rod, and sheath is flexible tubular, and sheath internal diameter is greater than transmission shaft outer diameter, sheath and transmission
Axis is 1cm with the spacing between section, and sheath elongation is identical as transmission shaft elongation.
By using above-mentioned technical proposal, telescopic transmission shaft is set, resistance rotation level switch can be enable to be mounted on not
With on the tank body of outer diameter, and then the practicability of resistance rotation level switch is improved, meanwhile, telescopic sheath is set and is able to cooperate transmission shaft
It is flexible and stretch, guarantee sheath can completely coat transmission shaft, avoid material impact to transmission shaft, while sheath and transmission shaft
Between gap is set, when sheath is impacted, gap can compensator or trimmer pressure, avoid impact force from being transmitted on transmission shaft, guarantee pass
Moving axis is not by pressure, to improve the service life for hindering rotation level switch.
As the further explanation to the utility model, it is preferable that offer several cards on each telescopic rod of transmission shaft
Hole, card hole are spaced apart along drive shaft axis, and screw rod is inserted in card hole.
By using above-mentioned technical proposal, card hole, which is arranged, can limit the displacement between each transmission shaft, avoid transmission shaft it
Between arbitrarily move.
As the further explanation to the utility model, it is preferable that transmission shaft, which is located on card hole one side, offers installation
Face, mounting surface are plane.
By using above-mentioned technical proposal, mounting surface, which is arranged, can guarantee that the end of screw rod is abutted with transmission shaft completely, increase
The contact area of screw rod and transmission shaft makes stable connection between screw rod and transmission shaft.
As the further explanation to the utility model, it is preferable that shell and transmission shaft joint are fixed with ring flange, method
Blue dish external diameter is greater than housing outer diameter.
By using above-mentioned technical proposal, ring flange is set and is easily installed resistance rotation level switch and guarantees stable connection.
As the further explanation to the utility model, it is preferable that ring flange is fixed with limited block close to transmission shaft side,
Limited block is bumping square.
By using above-mentioned technical proposal, limited block, which is arranged, be can be inserted into the square hole of tank body, avoid shell turn.
As the further explanation to the utility model, it is preferable that limited block periphery is fixed with sealing ring, and sealing ring is side
Shape rubber ring.
By using above-mentioned technical proposal, the sealing that sealing ring improves junction between resistance rotation level switch and tank body is set
Property, avoid material from flowing out.
The utility model has the following beneficial effects:
1, the utility model prevents material from touching on transmission shaft, while gap is arranged and avoids by setting retractable guard
Pressure is transmitted on transmission shaft, and then improves the service life of switch；
2, each transmission shaft can be fixed by the way that card hole is arranged, stablizes propeller shaft length；
3, facilitate fixed switch by the way that ring flange is arranged, and guarantee stable connection.
Detailed description of the invention
Fig. 1 is the general assembly effect picture of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the bottom view of the utility model.
Description of symbols:
1, shell；11, interface；2, transmission shaft；21, card hole；22, mounting surface；3, vane；4, sheath；5, ring flange；6, it limits
Position block；61, sealing ring.
Specific embodiment
In order to further appreciate that the structure, feature and other purposes of the utility model, now in conjunction with appended preferable implementation
Example is accompanied by attached drawing, and detailed description are as follows, this attached drawing embodiment described is merely to illustrate the technical solution of the utility model, and
Non-limiting the utility model.
A kind of impact resistant rotation damping level switch, in conjunction with Fig. 1, Fig. 2, including shell 1, transmission shaft 2, vane 3 and sheath 4, shell
Body 1 is column shell, and motor is fixed in shell 1, and 2 one end of transmission shaft is rotatably connected on 1 side of shell and consolidates with motor output end
Even, vane 3 is rectangular blade, and vane 3 is connected in 2 other end of transmission shaft, and sheath 4 is socketed in outside transmission shaft 2, wherein transmission shaft 2
For telescopic rod, sheath 4 is flexible tubular, and 4 internal diameter of sheath is greater than 2 outer diameter of transmission shaft, and sheath 4 and transmission shaft 2 are the same as between section
Spacing is 1cm, and 4 elongation of sheath is identical as 2 elongation of transmission shaft.
In conjunction with Fig. 1, Fig. 2, telescopic transmission shaft 2 is set, resistance rotation level switch can be enable to be mounted on various outer diameter
On tank body, and then the practicability of resistance rotation level switch is improved, meanwhile, telescopic sheath 4 is set and is able to cooperate the flexible of transmission shaft 2
And stretch, guarantee that sheath 4 can completely coat transmission shaft 2, avoid material impact to transmission shaft 2, while sheath 4 and transmission shaft 2
Between gap is set, when sheath 4 is impacted, gap can compensator or trimmer pressure, avoid impact force from being transmitted on transmission shaft 2, guarantee
Transmission shaft 2 is not by pressure, to improve the service life for hindering rotation level switch.
In conjunction with Fig. 2, Fig. 3, several card holes 21 are offered on each telescopic rod of transmission shaft 2, card hole 21 is along 2 axis of transmission shaft
It is spaced apart, is inserted with screw rod in card hole 21；Card hole 21, which is arranged, can limit displacement between each transmission shaft 2, avoid transmission shaft 2 it
Between arbitrarily move；Transmission shaft 2, which is located on 21 one side of card hole, offers mounting surface 22, and mounting surface 22 is plane, and mounting surface is arranged
The end of 22 certifiable screw rods is abutted with transmission shaft 2 completely, increases the contact area of screw rod and transmission shaft 2, makes screw rod and transmission
Stable connection between axis 2.
In conjunction with Fig. 2, Fig. 3,1 side of shell is fixed with interface 11, on interface 11 can connecting cable, setting interface 11 can will
Detection signal is transmitted to controlling terminal, is convenient for real-time detection and control；Shell 1 and 2 joint of transmission shaft are fixed with ring flange 5,
5 outer diameter of ring flange is greater than 1 outer diameter of shell, and setting ring flange 5 is easily installed resistance rotation level switch and guarantees stable connection；Ring flange
5 are fixed with limited block 6 close to 2 side of transmission shaft, and limited block 6 is bumping square, and setting limited block can be inserted into the square hole of tank body
It is interior, guarantee interface 11 straight down, avoids 1 turn of shell, and then cable is made to hang naturally with gravity, prevent cable folding and contract
Short life；6 periphery of limited block is fixed with sealing ring 61, and sealing ring 61 is square rubber ring, and setting sealing ring 61 improves resistance rotation material
The leakproofness of junction, avoids material from flowing out between bit switch and tank body.
It is to be understood that above-mentioned utility model content and specific embodiment are intended to prove the provided skill of the utility model
The practical application of art scheme should not be construed as the restriction to scope of protection of the utility model.Those skilled in the art are practical at this
In novel spirit and principle, when can various modifications may be made, equivalent replacement or improvement.The protection scope of the utility model is with appended power
Subject to sharp claim.
Claims (6)
1. a kind of impact resistant rotation damping level switch, which is characterized in that including shell (1), transmission shaft (2), vane (3) and sheath
(4), transmission shaft (2) one end is rotatably connected on shell (1) side, and vane (3) is connected in transmission shaft (2) other end, sheath (4) set
Connect transmission shaft (2) outside, wherein
Transmission shaft (2) is telescopic rod, and sheath (4) is flexible tubular, and sheath (4) internal diameter is greater than transmission shaft (2) outer diameter, sheath (4)
It with the spacing between section is 1cm with transmission shaft (2), sheath (4) elongation is identical as transmission shaft (2) elongation.
2. a kind of impact resistant rotation damping level switch according to claim 1, which is characterized in that transmission shaft (2) is each flexible
Several card holes (21) are offered on bar, card hole (21) is spaced apart along transmission shaft (2) axis, is inserted with screw rod in card hole (21).
3. a kind of impact resistant rotation damping level switch according to claim 2, which is characterized in that transmission shaft (2) is located at card hole
(21) it is offered on one side mounting surface (22), mounting surface (22) is plane.
4. a kind of impact resistant rotation damping level switch according to claim 3, which is characterized in that shell (1) and transmission shaft (2)
Joint is fixed with ring flange (5), and ring flange (5) outer diameter is greater than shell (1) outer diameter.
5. a kind of impact resistant rotation damping level switch according to claim 4, which is characterized in that ring flange (5) is close to transmission
Axis (2) side is fixed with limited block (6), and limited block (6) is bumping square.
6. a kind of impact resistant rotation damping level switch according to claim 5, which is characterized in that limited block (6) periphery is connected
Have sealing ring (61), sealing ring (61) is square rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822259909.5U CN209541841U (en) | 2018-12-30 | 2018-12-30 | A kind of impact resistant rotation damping level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822259909.5U CN209541841U (en) | 2018-12-30 | 2018-12-30 | A kind of impact resistant rotation damping level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209541841U true CN209541841U (en) | 2019-10-25 |
Family
ID=68266361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822259909.5U Expired - Fee Related CN209541841U (en) | 2018-12-30 | 2018-12-30 | A kind of impact resistant rotation damping level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209541841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728088A (en) * | 2021-02-20 | 2021-04-30 | 重庆四联测控技术有限公司 | Sensor of rotation-resistant switch |
-
2018
- 2018-12-30 CN CN201822259909.5U patent/CN209541841U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728088A (en) * | 2021-02-20 | 2021-04-30 | 重庆四联测控技术有限公司 | Sensor of rotation-resistant switch |
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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: 20191025 Termination date: 20211230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |