CN204632701U - A kind of resetting means of thermal relay - Google Patents
A kind of resetting means of thermal relay Download PDFInfo
- Publication number
- CN204632701U CN204632701U CN201520324633.8U CN201520324633U CN204632701U CN 204632701 U CN204632701 U CN 204632701U CN 201520324633 U CN201520324633 U CN 201520324633U CN 204632701 U CN204632701 U CN 204632701U
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- CN
- China
- Prior art keywords
- release link
- push rod
- reset
- thermal relay
- plane
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of resetting means of thermal relay.There is unsteadiness because of the difference that cooperatively interacts between direction of operating or part in the reset function mainly solving the resetting means of existing thermal relay, causes having some setbacks when interior pressure touches the button, cause the problem of product return difficulty.Comprise pedestal, panel, resetting device, push rod and contact mechanism, resetting device comprises reset knob, release link and back-moving spring, the outer end of reset knob is concordant with panel surface, the inner is provided with involute screw cylinder, release link is provided with the extension with the top press-fit of involute screw cylinder, and when release link comprises dropout, push rod axially promotes near the primary importance of release link and involute screw cylinder top pressure release link the second place that pushrod movement makes contact mechanism reset.Reset knob due to the resetting means of this thermal relay adopts the design of involute screw cylinder, knob only need rotate and just can realize switching that is automatic, hand-reset, operation is light, convenient, effectively ensure the stability of reset function, reasonability, and aesthetic property is strong.
Description
Technical field
The utility model relates to a kind of relay, refers in particular to a kind of resetting means of thermal relay.
Background technology
Existing machinery formula thermal overload relay has manually and auto-reset function, and it is manual, the switching of auto-reset function is realized by a rotary knob.The position that automatically resets is switched to: first inwardly must be pressed by button and press segment distance half-twist again from hand-reset position; Be switched to hand-reset position from the position that automatically resets: opposite spin one angle, button through spring effect immediately bullet from product end surface, form a segment distance and rest on H position.When heat continue product be in hand-reset position time: if product is threaded off because of malfunction, needing manually pressure to touch the button makes product reset, but this reset function exists unsteadiness because of the difference that cooperatively interacts between direction of operating or part, causing has some setbacks when interior pressure touches the button even needs artificially to adjust certain orientation button just can be made to press to ensure product return toward interior pressure.
Utility model content
In order to overcome shortcoming and the weak point of background technology, there is unsteadiness because of the difference that cooperatively interacts between direction of operating or part in the reset function solving the resetting means of existing thermal relay, causes having some setbacks when interior pressure touches the button, cause the problem of product return difficulty.
The technical solution of the utility model is: a kind of resetting means of thermal relay, comprise pedestal, panel, resetting device, push rod and contact mechanism, described resetting device, push rod and contact mechanism are positioned at pedestal, described resetting device is resetted by push rod band dynamic contact mechanism, described panel is connected with the outer end of pedestal, described resetting device comprises reset knob, release link and back-moving spring, chute is provided with in described pedestal, described reset knob, release link and back-moving spring are coaxially arranged in chute successively, described reset knob is through panel and its outer end is concordant with panel surface, the inner is provided with involute screw cylinder, described release link is provided with the extension with described involute screw cylinder top press-fit, described release link is comprised contact mechanism and threads off and drive push rod to rotate along chute near the primary importance of release link and reset knob and pressed by involute screw cylinder top described extension to form release link axially to promote the second place that described pushrod movement makes described contact mechanism reset.
Described release link is provided with groove, described groove comprises the first plane, inclined plane and the second plane, by inclined plane transition between described first plane and the second plane, described primary importance be push rod near the first plane, the described second place is that push rod slips into the second plane along inclined plane.
Described extension is push rod, is eccentrically set on the end of release link.
Described extension is connected with release link one.
The outer end of described chute is provided with baffle plate, and described reset knob is provided with the step with described baffle plate clamping matching.
Described reset knob is provided with boss, described panel be provided be separated by 90 ° and with described boss spacing coordinate gear groove.
Described panel and pedestal are fastened.
the utility model has following beneficial effect:reset knob due to the resetting means of this thermal relay adopts the design of involute screw cylinder, knob only need rotate and just can realize switching that is automatic, hand-reset, operation easily, conveniently, effectively avoid tradition to adopt pressure to occur error causes pressing situation about having some setbacks by being obstructed on time, thus ground ensures stability, the reasonability of reset function, and aesthetic property is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
Fig. 3 resets the structural representation of knob in the utility model.
Fig. 4 is the structural representation of panel in the utility model.
Fig. 5 is the structural representation of push rod in the utility model.
In figure, pedestal 1, panel 2, push rod 3, reset knob 4, release link 5, back-moving spring 6, chute 7, involute screw cylinder 8, extension 9, groove 10, the first plane 101, inclined plane 102, the second plane 103, baffle plate 11, step 12, boss 13, gear groove 14, lever 15; rocking arm 16, extension spring 17, swing arm 18.
Embodiment
Be described further for embodiment of the present utility model below:
As shown in the figure, a kind of resetting means of thermal relay, comprise pedestal 1, panel 2, resetting device, push rod and contact mechanism, described resetting device, push rod 3 and contact mechanism are positioned at pedestal 1, described resetting device is with dynamic contact mechanism to reset by push rod 3, described panel 2 is connected with the outer end of pedestal 1, described resetting device comprises reset knob 4, release link 5 and back-moving spring 6, chute 7 is provided with in described pedestal 1, described reset knob 4, release link 5 and back-moving spring 6 are coaxially arranged in chute 7 successively, described reset knob 4 is through panel 2 and its outer end is concordant with panel 2 surface, the inner is provided with involute screw cylinder 8, described release link 5 is provided with the extension 9 pushing up press-fit with described involute screw cylinder 8, described release link 5 is comprised contact mechanism and threads off and drive push rod 3 to rotate along chute 7 near the primary importance of release link 5 and reset knob 4 and pushed up the described extension 9 of pressure by involute screw cylinder 8 to form release link 5 and axially promote described push rod 3 and to move the second place that described contact mechanism is resetted.By designing an involute screw cylinder on reset knob, namely realize seesawing of release link by spinning reduction knob.Can realize hand-reset and automatically reset switching: when reset knob and the timing of release link initial loading are in hand-reset position, automatically reset if be switched to, due to gear restriction, the reset knob that only need turn clockwise is to cannot turn.Otherwise, only reset knob need be rotated counterclockwise to can not rotating; During product work, the H position in figure is in when reset knob, the two golden heated bending of product, the lever 15 promoting push rod swings left, lever 15 drives rocking arm 16 to move; rocking arm 16 drives swing arm 18 by extension spring 17; swing arm 18 is moved after an angle and driven push rod 3 to left movement; until stop when being in primary importance; product need be made to reset only need turn clockwise knob one low-angle that product can be made to reset, namely knob is rotated counterclockwise and makes product remain on hand-reset position to H position by the second place again;
In the utility model, described release link is provided with groove 10, described groove 10 comprises the first plane 101, inclined plane 102 and the second plane 103, by inclined plane 102 transition between described first plane 101 and the second plane 103, described primary importance be push rod 3 near the first plane 101, the described second place is that push rod 3 slips into the second plane 103 along inclined plane 102.The two golden heated bending of product, by above-mentioned push rod make pushrod movement to release link first plane 101 place stop, product need be made to reset knob one low-angle that only need turn clockwise, promoting push rod by inclined plane 102 can make product reset, then is rotated counterclockwise by knob and makes product remain on hand-reset position to H position; If product need be made to remain on A to automatically reset position, turn clockwise knob, and the spiral circle cylinder of reset knob constantly promotes reset push rod 2 to the second plane 103 and the left planar registration of push rod.
In the utility model, described extension 9 is push rod, is eccentrically set on the end of release link 5.Push rod is eccentrically set in release link, can effectively coordinate with involute screw cylinder 8, and when reset knob is rotated, involute screw cylinder 8 constantly top is pressed on the push rod position of release link, and release link is moved axially stably.
In the utility model, described extension 9 is connected with release link 5 one.Both are integral type structure, are convenient to processing, good stability.
In the utility model, the outer end of described chute is provided with baffle plate 11, and described reset knob 4 is provided with the step 12 with described baffle plate 11 clamping matching.By going out to arrange the cylinder step clamping matching that baffle plate and reset knob 4 are formed at the port of chute, prevent reset knob 4 from departing from chute, effectively ensure that reset knob rotates along chute.
In the utility model, described reset knob 4 is provided with boss 13, described panel 2 be provided be separated by 90 ° and with described boss 13 spacing coordinate gear groove 14.Gear groove is circumference 90 ° of strokes, and as shown in the figure, A, H position, reset knob 4 is rotated along gear groove by boss 13, and the switching of hand-reset position only needs to rotate knob along counterclockwise 90 ° and can realize.
In the utility model, described panel 2 is fastened with pedestal 1.Panel 2 and pedestal 1 are interlockingly connected, easy accessibility.
Embodiment should not be considered as the restriction to utility model, but any improvement done based on spirit of the present utility model, all should within protection range of the present utility model.
Claims (7)
1. the resetting means of a thermal relay, comprise pedestal (1), panel (2), resetting device, push rod (3) and contact mechanism, described resetting device, push rod (3) and contact mechanism are positioned at pedestal (1), described resetting device is resetted by push rod (3) band dynamic contact mechanism, described panel (2) is connected with the outer end of pedestal (1), it is characterized in that: described resetting device comprises reset knob (4), release link (5) and back-moving spring (6), chute (7) is provided with in described pedestal (1), described reset knob (4), release link (5) and back-moving spring (6) are coaxially arranged in chute (7) successively, described reset knob (4) is through panel (2) and its outer end is concordant with panel (2) surface, the inner is provided with involute screw cylinder (8), described release link (5) is provided with the extension (9) pushing up press-fit with described involute screw cylinder (8), described release link (5) comprises contact mechanism and threads off and drive push rod (3) to rotate near the primary importance of release link (5) and reset knob (4) along chute (7) and pass through involute screw cylinder (8) the top described extension of pressure (9) to form release link (5) the described push rod of axial promotion (3) and to move the second place that described contact mechanism is resetted.
2. the resetting means of a kind of thermal relay according to claim 1, it is characterized in that: described release link is provided with groove (10), described groove (10) comprises the first plane (101), inclined plane (102) and the second plane (103), by inclined plane (102) transition between described first plane (101) and the second plane (103), described primary importance is close first plane (101) of push rod (3), and the described second place is that push rod (3) slips into the second plane (103) along inclined plane (102).
3. the resetting means of a kind of thermal relay according to claim 1 and 2, is characterized in that: described extension (9) is push rod, is eccentrically set on the end of release link (5).
4. the resetting means of a kind of thermal relay according to claim 3, is characterized in that: described extension (9) is connected with release link (5) one.
5. the resetting means of a kind of thermal relay according to claim 1 and 2, is characterized in that: the outer end of described chute (7) is provided with baffle plate (11), and described reset knob (4) is provided with the step (12) with described baffle plate (11) clamping matching.
6. the resetting means of a kind of thermal relay according to claim 1 and 2, it is characterized in that: described reset knob (4) is provided with boss (13), described panel (2) be provided be separated by 90 ° and with described boss (13) spacing coordinate gear groove (14).
7. the resetting means of a kind of thermal relay according to claim 1 and 2, is characterized in that: described panel (2) and pedestal (1) are fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324633.8U CN204632701U (en) | 2015-05-20 | 2015-05-20 | A kind of resetting means of thermal relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324633.8U CN204632701U (en) | 2015-05-20 | 2015-05-20 | A kind of resetting means of thermal relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632701U true CN204632701U (en) | 2015-09-09 |
Family
ID=54051701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520324633.8U Withdrawn - After Issue CN204632701U (en) | 2015-05-20 | 2015-05-20 | A kind of resetting means of thermal relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204632701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916510A (en) * | 2015-05-20 | 2015-09-16 | 浙江天正电气股份有限公司 | Reset device of thermal relay |
-
2015
- 2015-05-20 CN CN201520324633.8U patent/CN204632701U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916510A (en) * | 2015-05-20 | 2015-09-16 | 浙江天正电气股份有限公司 | Reset device of thermal relay |
| CN104916510B (en) * | 2015-05-20 | 2017-03-01 | 浙江天正电气股份有限公司 | A kind of resetting means of thermorelay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150909 Effective date of abandoning: 20171114 |