CN208690136U - A kind of scram button - Google Patents
A kind of scram button Download PDFInfo
- Publication number
- CN208690136U CN208690136U CN201821382793.8U CN201821382793U CN208690136U CN 208690136 U CN208690136 U CN 208690136U CN 201821382793 U CN201821382793 U CN 201821382793U CN 208690136 U CN208690136 U CN 208690136U
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- CN
- China
- Prior art keywords
- driving shaft
- universal driving
- emergency stop
- stop head
- tapping screw
- 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.)
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Abstract
A kind of scram button.The problem of mainly solving in existing scram button, when emergency stop head and universal driving shaft are tightened by tapping screw, are easy to appear junction and split, leading to scram button damage, failure.It is characterized by: emergency stop head center is equipped with installation axle, the installation axle bottom centre is equipped with positioning groove；Positioning convex platform fitted with positioning grooves is equipped at the top of the universal driving shaft, the universal driving shaft is inserted into the positioning groove of emergency stop head by positioning convex platform, and circumferentially limit cooperates with emergency stop head；The linkage axis center is additionally provided with mounting hole, and the tapping screw passes through mounting hole from the bottom of universal driving shaft and is fixedly connected with installation axle.It the advantage is that and positioning groove is set in the installation axle of emergency stop head, so that it is connected with enough thickness with tapping screw, it is ensured that be not in guarantee product quality the problem of splitting when precession tapping screw.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, are specifically related to a kind of scram button.
Background technique
Emergency stop button switch is to belong to main one kind for enabling control electric appliance to open when machine is in the hole by emergency stop
Pass is cut off the power, and arrestment operating reaches the safety of the protection person and equipment.Rotate scram button is generally all in locking
The locking for reaching to its terminal location switch by pressing rotation emergency stop head need to turn in the locking of releasing emergency shutdown key
Dynamic rotation emergency stop head realizes the release of switch.
Existing rotary fast stop button mainly includes emergency stop head, thread bush, universal driving shaft, torsional spring and tapping screw, emergency stop
Head cooperates above universal driving shaft with universal driving shaft, is provided with square protrusions on emergency stop head, and universal driving shaft is correspondingly provided with square indentations,
The mounting hole for tapping screw insertion is connected in the middle part of emergency stop head and universal driving shaft, mounting hole and the tapping screw gap of universal driving shaft are matched
It closes, is passed through convenient for tapping screw, the mounting hole and tapping screw of emergency stop head are interference fitted, and are convenient for immovable fitting.
But it since the mounting hole wall on emergency stop head at square protrusions is than relatively thin, when screwing tapping screw, is easy to lead
It causes to split at boss, so as to cause scram button damage, failure, in some instances it may even be possible to will cause the damage and personnel's wound of machinery equipment
It dies.
Utility model content
In order to overcome the shortcomings of background technique, the utility model provides a kind of scram button, solves in existing scram button,
It when emergency stop head and universal driving shaft are tightened by tapping screw, are easy to appear junction and split, lead to scram button damage, failure
The problem of.
Technical solution adopted by the utility model: a kind of scram button, including emergency stop head, universal driving shaft, thread bush, self tapping
Screw；The universal driving shaft is located at below emergency stop head, and is mounted in thread bush；Emergency stop head center is equipped with installation axle, described
Installation axle bottom centre is equipped with positioning groove；Positioning convex platform fitted with positioning grooves is equipped at the top of the universal driving shaft, it is described
Universal driving shaft is inserted into the positioning groove of emergency stop head by positioning convex platform, and circumferentially limit cooperates with emergency stop head；The linkage axis center
It is additionally provided with mounting hole, the tapping screw passes through mounting hole from the bottom of universal driving shaft and is fixedly connected with installation axle.
The cross section of the positioning groove is square.
The installation axle outer wall is uniformly arranged reinforcement convex ribs.
Waterproof seal is equipped between the universal driving shaft and thread bush.
The universal driving shaft outer ring is equipped with annular groove, and the waterproof seal uses lip-type packing, and is set in annular groove
Interior, the waterproof seal outer ring is at least provided with two and close-fitting first sealing lip of thread bush inner wall, the anti-watertight
Sealing inner ring is at least provided with three and close-fitting second sealing lip of universal driving shaft outer wall.
The universal driving shaft bottom is additionally provided with sealing installation pad, and is fixedly connected by tapping screw with universal driving shaft, it is described oneself
It attacks outside screw and is arranged with O-ring seal, and the O-ring seal clips are set between universal driving shaft and sealing installation pad.
The beneficial effects of the utility model are: positioning groove is arranged in the installation axle of emergency stop head, makes using above scheme
It obtains it to be connected with enough thickness with tapping screw, it is ensured that be not in guarantee the problem of splitting when precession tapping screw
Product quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment scram button.
Fig. 2 is the structural schematic diagram of the utility model embodiment emergency stop head.
Fig. 3 is the structural schematic diagram of the utility model embodiment universal driving shaft.
Fig. 4 is the structural schematic diagram of the utility model embodiment waterproof seal.
Fig. 5 is the enlarged diagram in Fig. 4 at A.
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
As shown, a kind of scram button, including emergency stop head 1, universal driving shaft 2, thread bush 3, tapping screw 4；The linkage
Axis 2 is located at 1 lower section of emergency stop head, and is mounted in thread bush 3；1 center of emergency stop head is equipped with installation axle 11, the installation axle 11
Bottom centre is equipped with positioning groove 12；Positioning convex platform 21 compatible with positioning groove 12 is equipped at the top of the universal driving shaft 2, it is described
The positioning convex platform 21 of universal driving shaft 2 is inserted into the positioning groove 12 of emergency stop head 1, and the cross section of the positioning groove 12 is square, and makes
Emergency stop head 1 and the circumferential limit of universal driving shaft 2 cooperate, 2 center of universal driving shaft is additionally provided with mounting hole 22, the tapping screw 4 from
The bottom of universal driving shaft 2 passes through mounting hole 22 and is fixedly connected with installation axle 11,
Positioning groove is set on the universal driving shaft of emergency stop head, positioning convex platform 21 is set on universal driving shaft 2, so that emergency stop head 1
Installation axle 11 and tapping screw 4 junction have enough thickness, thereby, it is ensured that being not in precession tapping screw
The problem of splitting guarantees product quality.
Wherein, the cross section of the positioning groove 12 is not limited to rectangular, is also possible to other shapes, as other are polygon
Shape or tooth form etc..
As shown, 11 outer wall of installation axle is uniformly arranged several reinforcement convex ribs 13, intensity requirement is further increased.
In addition, as shown, realizing universal driving shaft 2 and spiral shell equipped with waterproof seal 5 between the universal driving shaft 2 and thread bush 3
Waterproof sealing effect between line set 3.
Wherein, 2 outer ring of universal driving shaft is equipped with annular groove 24, and the waterproof seal 5 uses lip-type packing, and is arranged
In annular groove 24,5 outer ring of waterproof seal set there are two with close-fitting first sealing lip 51 of 3 inner wall of thread bush,
5 inner ring of waterproof seal set there are three with close-fitting second sealing lip 52 of 2 outer wall of universal driving shaft.
Exist between waterproof seal 5 and universal driving shaft 2, thread bush 3 it is multi-sealed, can reach better seal effect
Fruit.
Further, 2 bottom of universal driving shaft is additionally provided with sealing installation pad 6, and solid by tapping screw 4 and universal driving shaft 2
Fixed connection, is arranged with O-ring seal 7 outside the tapping screw 4, and 7 clips of the O-ring seal be set to universal driving shaft 2 with it is close
Between envelope installation pad 6, so that also reaching waterproof sealing effect between tapping screw 4 and universal driving shaft 2, waterproof performance is more preferably.
Embodiment is not construed as the limitation to utility model, but any spiritual improvements introduced based on the utility model,
It should all be within the protection scope of the utility model.
Claims (6)
1. a kind of scram button, including emergency stop head (1), universal driving shaft (2), thread bush (3), tapping screw (4)；The universal driving shaft
(2) it is located at below emergency stop head (1), and is mounted in thread bush (3)；
It is characterized by: emergency stop head (1) center is equipped with installation axle (11), installation axle (11) bottom centre is equipped with positioning
Groove (12)；
Equipped with compatible positioning convex platform (21), the universal driving shaft (2) pass through with positioning groove (12) at the top of the universal driving shaft (2)
Positioning convex platform (21) is inserted into the positioning groove (12) of emergency stop head (1), and circumferentially limit cooperates with emergency stop head (1)；
Universal driving shaft (2) center is additionally provided with mounting hole (22), and the tapping screw (4) passes through peace from the bottom of universal driving shaft (2)
Dress hole (22) is fixedly connected with installation axle (11).
2. scram button according to claim 1, it is characterised in that: the cross section of the positioning groove (12) is square.
3. scram button according to claim 1, it is characterised in that: it is convex that installation axle (11) outer wall is uniformly arranged reinforcement
Muscle (13).
4. scram button according to claim 1, it is characterised in that: be equipped between the universal driving shaft (2) and thread bush (3)
Waterproof seal (5).
5. scram button according to claim 4, it is characterised in that: universal driving shaft (2) outer ring is equipped with annular groove (24),
The waterproof seal (5) uses lip-type packing, and is set in annular groove (24), and waterproof seal (5) outer ring is extremely
Set less there are two with close-fitting first sealing lip (51) of thread bush (3) inner wall, waterproof seal (5) inner ring at least sets
There are three with close-fitting second sealing lip (52) of universal driving shaft (2) outer wall.
6. scram button according to claim 4, it is characterised in that: universal driving shaft (2) bottom is additionally provided with sealing installation
It pads (6), and is fixedly connected by tapping screw (4) with universal driving shaft (2), O-ring seal is arranged with outside the tapping screw (4)
(7), and the O-ring seal (7) clips are set between universal driving shaft (2) and sealing installation pad (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382793.8U CN208690136U (en) | 2018-08-27 | 2018-08-27 | A kind of scram button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382793.8U CN208690136U (en) | 2018-08-27 | 2018-08-27 | A kind of scram button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690136U true CN208690136U (en) | 2019-04-02 |
Family
ID=65886758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821382793.8U Active CN208690136U (en) | 2018-08-27 | 2018-08-27 | A kind of scram button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022056699A1 (en) * | 2020-09-16 | 2022-03-24 | Abb Schweiz Ag | Pushbutton and electrical device |
-
2018
- 2018-08-27 CN CN201821382793.8U patent/CN208690136U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022056699A1 (en) * | 2020-09-16 | 2022-03-24 | Abb Schweiz Ag | Pushbutton and electrical device |
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| GR01 | Patent grant |