CN208753203U - A kind of waterproof construction of rotary switch - Google Patents
A kind of waterproof construction of rotary switch Download PDFInfo
- Publication number
- CN208753203U CN208753203U CN201821705423.3U CN201821705423U CN208753203U CN 208753203 U CN208753203 U CN 208753203U CN 201821705423 U CN201821705423 U CN 201821705423U CN 208753203 U CN208753203 U CN 208753203U
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- CN
- China
- Prior art keywords
- cam
- sealing ring
- rotary switch
- lifter plate
- annular
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Abstract
The utility model discloses a kind of waterproof constructions of rotary switch, including rotating handle, cam, lifter plate and shell, the cam includes the shoulder that the vertical top in the inner panel portion is extended to radial outside, position on the cam and below the shoulder is provided with the first sealing ring for sealing gap between the cam and the inner sidewall in the inner panel portion, and the position on the cam and above the shoulder is provided with the second sealing ring for sealing gap between the cam and the insertion section.By adopting the above technical scheme, preferable sealing effect can be reached, while can also prevent the first sealing ring from acutely extrusion deformation occurs with the second sealing ring and causes poorly sealed.
Description
Technical field
The utility model relates to a kind of waterproof constructions of rotary switch, more particularly to one kind is for controlling low-voltage electrical apparatus on-off
Waterproof knob structure, belong to low voltage electrical apparatus technology field.
Background technique
Existing its main structure of knob product generally can be divided into two parts, i.e. head and contact pad, and head is used to real
The functions such as operation, locking, the reset of existing knob, contact pad is generally by dynamic/static contact, terminal screw, shell, contact support sector
The part such as part is constituted, and effect is to complete the connection and disjunction of contact under the control of head movement, realizes current switching.Touching
Point pedestal will result in short circuit once intaking, and lead to the failure of knob, machinery equipment, damage, or even explosion, cause personnel
Injures and deaths and property loss.Since contact pad is installed on the inside of knob box, control cabinet, and knob box, control cabinet itself have
Good water-proof function, therefore ordinary circumstance is lauched and directly can not enter contact pad from knob box, control cabinet.Therefore knob water inlet
It is substantially intake by head, caused by water enters contact pad.Therefore, knob head waterproof becomes it in the weight of knob design
Weight.Current knob and then rotates, thus sealing ring when rotating handle is rotated since the effect of frictional force often will drive sealing ring
It distorts, or even abjection, water-proof function is caused to fail.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome existing rotary switch waterproof performance to be unable to satisfy height
The defect of the waterproof requirement of performance, to provide a kind of waterproof construction of the rotary switch of waterproof performance with higher.
To achieve the goals above, the waterproof construction of a kind of rotary switch of the utility model, including rotating handle, cam, liter
Plate and shell drop, the rotating handle includes the synchronization convex block positioned at lower part, and the top of the cam is arranged slot, it is described synchronize it is convex
Block is inserted into the slot to enable the cam to rotate synchronously with the rotating handle；The lower part of the cam is provided with
One inclined-plane, the top of the lifter plate is provided with the second inclined-plane that can be matched with first inclined-plane, thus described convex
First inclined-plane described in when wheel rotation, which can apply pressure to the second inclined-plane, moves down lifter plate；The lifter plate with it is described
Reset spring, the elastic force that the reset spring gives the lifter plate upward always are additionally provided between shell；The shell includes
The inner panel portion of superposed annular and the outside plate portion of annular, form the holding tank of annular between the inner panel portion and outside plate portion,
The rotating handle includes the insertion section for the tubular being inserted into the holding tank, and the cam includes extending to radial outside
The shoulder of the vertical top in the inner panel portion, the position on the cam and below the shoulder is provided with for sealing
First sealing ring in gap between the cam and the inner sidewall in the inner panel portion on the cam and is located at the shoulder
The position of top is provided with the second sealing ring for sealing gap between the cam and the insertion section.
First sealing ring is V-shaped seal ring, is provided on the cam for accommodating first sealing ring
First annular chamber.
It is provided with the first locating convex block on first sealing ring, first annular intracavitary is provided with and described described
The first positioning groove that one locating convex block matches.
Second sealing ring is O-ring seal, is provided on the cam for accommodating second sealing ring
Second annular chamber.
It is provided with the second locating convex block on second sealing ring, is provided in second annular chamber and described
The second positioning groove that two locating convex blocks match.
The waterproof construction of the rotary switch further includes the baffle of annular, and the lower end surface of the baffle offers the appearance of annular
Receive chamber, the outside plate portion is inserted into the accommodating chamber；The lower end of the insertion section is provided with the eaves extended to radial outside, institute
The inner edge being located on the inside of the outside plate portion for stating baffle is pressed in the top of the eaves.
The lifter plate is arc panel, and the spacing block set protruded to radial outside is provided in the lower part of the lifter plate,
The lower end of the shell is provided with the limited block protruded to radially inner side, and the spacing block set is located under the limited block
Side, the lower end of the reset spring is withstood on the limited block.
The lifter plate is two, and two lifter plates are oppositely arranged.
By adopting the above technical scheme, the waterproof construction of a kind of rotary switch of the utility model, passes through the first sealing ring pair
Gap is sealed between cam and the inner sidewall in inner panel portion, is carried out by the second sealing ring to gap between cam and insertion section
Sealing, two clearance channels for making holding tank be communicated to enclosure interior are blocked, to make water can not be out of described holding tank
Enclosure interior is entered, preferable sealing effect is reached；By being respectively set first on the first sealing ring and the second sealing ring
Locating convex block and the second locating convex block can make the first sealing ring, as cam rotates, prevent the first sealing with the second sealing ring
Circle occurs acutely extrusion deformation with the second sealing ring and causes poorly sealed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is the portion the A partial enlarged view in Fig. 2.
Fig. 4 is the decomposition diagram of Fig. 1.
Specific embodiment
Below by way of the drawings and specific embodiments, the utility model is described in further detail.
As shown, a kind of waterproof construction of rotary switch of the utility model, including rotating handle 1, cam 2, lifter plate 3 with
And shell 4, the rotating handle 1 includes the synchronous convex block 11 that has for being located at lower part, and slot 21 is arranged in the top of the cam 2, described
Synchronous convex block 11 is inserted into the slot 21 to enable the cam 2 to rotate synchronously with the rotating handle 1；The cam 2
Lower part be provided with the first inclined-plane 22, the top of the lifter plate 3 is provided with can match with first inclined-plane 22
Two inclined-planes 31, so that the first inclined-plane 22 described in the cam 2 rotation, which can apply pressure to the second inclined-plane 31, makes lifter plate 3
It moves down；Reset spring 5 is additionally provided between the lifter plate 3 and the shell 4, the reset spring 5 gives institute always
State the upward elastic force of lifter plate 3；The shell 4 includes the inner panel portion 41 of superposed annular and the outside plate portion 42 of annular, institute
The holding tank 43 that annular is formed between inner panel portion 41 and outside plate portion 42 is stated, the rotating handle 1 includes being inserted into the holding tank
The insertion section 12 of tubular in 43, the cam 2 include the shoulder that the vertical top in the inner panel portion 41 is extended to radial outside
23, the position on the cam 2 and below the shoulder 23 is provided with for sealing the cam 2 and the inner panel
First sealing ring 6 in gap between the inner sidewall in portion 41, the position on the cam 2 and above the shoulder 23 are set
It is equipped with the second sealing ring 7 for sealing gap between the cam 2 and the insertion section 12.
First sealing ring 6 is V-shaped seal ring, is provided on the cam 2 for accommodating first sealing ring 6
First annular chamber 24.
The first locating convex block 61 is provided on first sealing ring 6, be provided in the first annular chamber 24 with
The first positioning groove 241 that first locating convex block 61 matches.
Second sealing ring 7 is O-ring seal, is provided on the cam 2 for accommodating second sealing ring 7
The second annular chamber 25.
The second locating convex block 71 is provided on second sealing ring 7, be provided in second annular chamber 25 with
The second positioning groove 251 that second locating convex block 71 matches.
The waterproof construction of the rotary switch further includes the baffle 8 of annular, and the lower end surface of the baffle 8 offers annular
Accommodating chamber 81, the outside plate portion 42 are inserted into the accommodating chamber 81；The lower end of the insertion section 12 is provided with to radial outside
The eaves 121 of extension, the inner edge 82 for being located at 42 inside of outside plate portion of the baffle 8 are pressed in the top of the eaves 121.
The lifter plate 3 is arc panel, and the spacing block set protruded to radial outside is provided in the lower part of the lifter plate 3
32, the lower end of the shell 4 is provided with the limited block 44 protruded to radially inner side, and the spacing block set 32 is located at the limit
The lower section of block 44, the lower end of the reset spring 5 are withstood on the limited block 44.
By adopting the above technical scheme, the waterproof construction of a kind of rotary switch of the utility model, it is right by the first sealing ring 6
Gap is sealed between cam 2 and the inner sidewall in inner panel portion 41, by the second sealing ring 7 between cam 2 and insertion section 12
Gap is sealed, and two clearance channels for being communicated to holding tank 43 inside shell 4 are blocked, to make water can not be from institute
It states and is entered in holding tank 43 inside shell 4, reach preferable sealing effect；By in the first sealing ring 6 and the second sealing ring 7
On the first locating convex block 61 and the second locating convex block 71 is respectively set, can make the first sealing ring 6 with the second sealing ring 7 with convex
2 rotation of wheel, prevents the first sealing ring 6 from acutely extrusion deformation occurs with the second sealing ring 7 and causes poorly sealed.Meanwhile this reality
Simple and compact with new structure, flexible operation, Caton, good seal performance, service life is not longer.
Obviously, above-described embodiment is only intended to clearly illustrate example, and does not limit the embodiments.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
Among the dynamic protection scope created still in the utility model.
Claims (8)
1. a kind of waterproof construction of rotary switch, it is characterised in that: including rotating handle, cam, lifter plate and shell, the rotating handle
Synchronization convex block including being located at lower part, the top of the cam are arranged slot, the synchronous convex block be inserted into the slot from
And the cam is enable to rotate synchronously with the rotating handle；The lower part of the cam is provided with the first inclined-plane, the lifter plate
Top is provided with the second inclined-plane that can be matched with first inclined-plane, thus the first inclined-plane described in cam rotation
Pressure can be applied to the second inclined-plane moves down lifter plate；Reset is additionally provided between the lifter plate and the shell
Spring, the elastic force that the reset spring gives the lifter plate upward always；The shell includes the inner panel of superposed annular
The outside plate portion in portion and annular, forms the holding tank of annular between the inner panel portion and outside plate portion, the rotating handle includes being inserted into
To the insertion section of the tubular in the holding tank, the cam includes that the vertical top in the inner panel portion is extended to radial outside
Shoulder, the position on the cam and below the shoulder are provided with for sealing the cam and the inner panel portion
Inner sidewall between gap the first sealing ring, on the cam and the position that is located above the shoulder is provided with and is used for
Seal second sealing ring in gap between the cam and the insertion section.
2. the waterproof construction of rotary switch as described in claim 1, it is characterised in that: first sealing ring is V-seal
Circle, is provided with the first annular chamber for accommodating first sealing ring on the cam.
3. the waterproof construction of rotary switch as claimed in claim 2, it is characterised in that: be provided on first sealing ring
First locating convex block first annular intracavitary is provided with the first positioning groove matched with first locating convex block described.
4. the waterproof construction of rotary switch as described in claim 1, it is characterised in that: second sealing ring is O-shaped sealing
Circle, is provided with the second annular chamber for accommodating second sealing ring on the cam.
5. the waterproof construction of rotary switch as claimed in claim 4, it is characterised in that: be provided on second sealing ring
Second locating convex block is provided with the second positioning groove matched with second locating convex block in second annular chamber.
6. the waterproof construction of rotary switch as described in any one in claim 1-5, it is characterised in that: the rotary switch is prevented
Water-bound further includes the baffle of annular, and the lower end surface of the baffle offers the accommodating chamber of annular, and the outside plate portion is inserted into institute
It states in accommodating chamber；The lower end of the insertion section is provided with the eaves extended to radial outside, and the baffle is located at the outside plate portion
The inner edge of inside is pressed in the top of the eaves.
7. the waterproof construction of rotary switch as described in any one in claim 1-5, it is characterised in that: the lifter plate is arc
Plate is provided with the spacing block set protruded to radial outside in the lower part of the lifter plate, and the lower end of the shell is provided with to diameter
The limited block protruded inwardly, the spacing block set are located at the lower section of the limited block, the lower end top of the reset spring
On the limited block.
8. the waterproof construction of rotary switch as claimed in claim 7, it is characterised in that: the lifter plate is two, two institutes
Lifter plate is stated to be oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705423.3U CN208753203U (en) | 2018-10-19 | 2018-10-19 | A kind of waterproof construction of rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705423.3U CN208753203U (en) | 2018-10-19 | 2018-10-19 | A kind of waterproof construction of rotary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208753203U true CN208753203U (en) | 2019-04-16 |
Family
ID=66085860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821705423.3U Active CN208753203U (en) | 2018-10-19 | 2018-10-19 | A kind of waterproof construction of rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208753203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114334518A (en) * | 2022-01-05 | 2022-04-12 | 浙江天正电气股份有限公司 | Waterproof construction and rotary switch |
-
2018
- 2018-10-19 CN CN201821705423.3U patent/CN208753203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114334518A (en) * | 2022-01-05 | 2022-04-12 | 浙江天正电气股份有限公司 | Waterproof construction and rotary switch |
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