CN102064043A - Protector adjusting screw with delicate structure - Google Patents
Protector adjusting screw with delicate structure Download PDFInfo
- Publication number
- CN102064043A CN102064043A CN 201010564899 CN201010564899A CN102064043A CN 102064043 A CN102064043 A CN 102064043A CN 201010564899 CN201010564899 CN 201010564899 CN 201010564899 A CN201010564899 A CN 201010564899A CN 102064043 A CN102064043 A CN 102064043A
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- Prior art keywords
- adjustment screw
- protector
- adjusting screw
- screw
- delicate structure
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Abstract
The invention discloses a protector adjusting screw with a delicate structure. A protector comprises a base (1), movable contacts (2), a bimetallic strip (4), an adjusting screw (5), connection pin combination (7) and nuts (8), wherein the two movable contacts (2) are welded on the bimetallic strip (4); the bimetallic strip (4) is installed in base combination through the adjusting screw (5); the base combination contains the connection pin combination (7) and static contacts; the operating temperature of the protector is adjusted by adjusting the screwing depth of the adjusting screw (5) in the base (1); the end part of the adjusting screw (5) is provided with an unthreaded cylinder; the diameter of the cylinder is less than the outer diameter of the screw thread of the adjusting screw (5); and milled flat portions are arranged at the two sides of the end part of the adjusting screw (5). The adjusting screw has a simple structure, is simple and convenient to assemble and easily ensures function requirements.
Description
Technical field
The present invention relates to the protector technical field, relate in particular to a kind of protector adjustment screw of delicate structure.
Background technology
Be used for the external protector technology on compressor of air conditioner, freezer compressor and the compressor that dries; two fixed contacts are electrically connected by welding or compound mode and two leg; be referred to as the leg combination; two leg combinations are fixed on the pedestal by the riveted joint mode, need to keep the firm of leg combination.Two moving contacts are gone up fixed contact with two leg combination recited above respectively and are electrically contacted; two moving contacts are welded on the bimetal leaf; adopt adjustment screw to adjust the bimetal leaf crown height that suppresses operating temperature and recovery temperature; and even regulate the pressure between moving contact and the fixed contact; thereby regulate operating temperature and other performance of protector; after adjusting is finished, adopt nut to fix between adjustment screw and the pedestal.Protector moving contact and fixed contact are in normally off, are subjected to surpassing at protector under the situation of the operating temperature of protector and overload current, can automatic shutoff circuit, thus play the effect that protective circuit prevents that compressor from being burnt out.
Adjustment screw plays crucial effects in the assembling of protector product with in using.Present adjustment screw end is a full thread, when product assembles, occurs screw thread patho-occlusion, stuck easily, and drives adjustment screw during nut and rotate, and causes problems such as product parameters variation.Therefore, need improve adjustment screw, it is simple and convenient to satisfy assembling, the characteristics that functional requirement guarantees easily.
Summary of the invention
The objective of the invention is: a kind of protector adjustment screw of delicate structure is provided, simple in structure, to assemble simple and conveniently, functional requirement guarantees easily.
Technical scheme of the present invention is: a kind of protector adjustment screw of delicate structure; described protector comprises pedestal, moving contact, bimetal leaf, adjustment screw, leg combination, nut; be welded with two moving contacts on the bimetal leaf; bimetal leaf is packed into by adjustment screw in the base combination; contain leg combination and fixed contact in the base combination; screw in the operating temperature that the degree of depth in the pedestal is regulated protector by regulating adjustment screw, the end of described adjustment screw is no threaded portion.
Below technique scheme is further explained:
Described no threaded portion is threadless cylinder, and cylinder diameter is less than the screw flight external diameter of adjustment screw.
The end of described adjustment screw is provided with plat mill part.
The both sides of the end of described adjustment screw are provided with plat mill part.
The screw flight of described adjustment screw is a fine thread.
Advantage of the present invention is:
1, between adjustment screw and pedestal, nut be threaded engagement, adjustment screw of the present invention end is a cylinder, before threaded engagement, is equivalent to increase guiding mechanism like this.Therefore, the assembling of product, the operation also more quick, can increase substantially production efficiency, reduce production costs.
2, adjustment screw of the prior art end is a full thread, when assembling nut, the screw thread patho-occlusion appears between adjustment screw and nut easily, just can drive adjustment screw during the turn nut also rotates, cause former bimetal leaf crown height of adjusting and the pressure between dynamic and static contact to change, product parameters also changes thereupon, occurs product failure when serious.Adjustment screw of the present invention end is a cylinder, so just is equivalent to increase guiding, makes accurately interlock of screw thread between adjustment screw and nut, has effectively avoided the generation of the problems referred to above, and product is more reliable and more stable.
3, adjustment screw end increase of the present invention is milled flat, like this except carrying out the turn adjustment screw by screw head cross recess, flat recess or polygon normally, outside the adjustment product parameters, also can come the turn screw by the plat mill part of clamping adjustment screw end, adjust product parameters, it is convenient to make product parameters adjust.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the structural representation of the protector that the present invention was suitable for;
Fig. 2 is the structural representation of the adjustment screw of prior art;
Fig. 3 is the end view of Fig. 2;
Fig. 4 is the structural representation of adjustment screw of the present invention;
Fig. 5 is the end view of Fig. 4.
Wherein: 1 pedestal; 2 moving contacts; 3 cover plates; 4 bimetal leafs; 5 adjustment screw; 6 packing rings; The combination of 7 leg; 8 nuts; 9 epoxy resin; 10 braces.
Embodiment
Embodiment: a kind of protector adjustment screw of delicate structure, the protector that is suitable for comprise pedestal 1, moving contact 2, cover plate 3, bimetal leaf 4, adjustment screw 5, packing ring 6, leg combination 7, nut 8, epoxy resin 9, brace 10 as shown in Figure 1.Be welded with two moving contacts 2 on the bimetal leaf 4, bimetal leaf 4 is packed into by adjustment screw 5 in the base combination, contains leg combination 7 and fixed contact in the base combination, screws in the operating temperature that the degree of depth in the pedestals 1 is regulated protector by regulating adjustment screw 5.
As Fig. 4, shown in Figure 5, the screw flight of adjustment screw 5 is a fine thread.The end of adjustment screw 5 is threadless cylinder, and cylinder diameter is less than the screw flight external diameter of adjustment screw 5, and both sides are provided with plat mill part.
Should be pointed out that for the present invention also to have the embodiment of multiple conversion and remodeling, be not limited to the specific embodiment of above-mentioned execution mode through proving absolutely.The foregoing description is as just explanation of the present invention, rather than restriction.In a word, protection scope of the present invention should comprise those conspicuous to those skilled in the art conversion or substitute and remodeling.
Claims (5)
1. the protector adjustment screw of a delicate structure; described protector comprises pedestal (1), moving contact (2), bimetal leaf (4), adjustment screw (5), leg combination (7), nut (8); be welded with two moving contacts (2) on the bimetal leaf (4); bimetal leaf (4) is packed into by adjustment screw (5) in the base combination; contain leg combination (7) and fixed contact in the base combination; screw in the operating temperature that the degree of depth in the pedestal (1) is regulated protector by regulating adjustment screw (5), it is characterized in that: the end of described adjustment screw (5) is no threaded portion.
2. the protector adjustment screw of delicate structure according to claim 1, it is characterized in that: described no threaded portion is threadless cylinder, cylinder diameter is less than the screw flight external diameter of adjustment screw (5).
3. the protector adjustment screw of delicate structure according to claim 1 and 2, it is characterized in that: the end of described adjustment screw (5) is provided with plat mill part.
4. the protector adjustment screw of delicate structure according to claim 1 and 2, it is characterized in that: the both sides of the end of described adjustment screw (5) are provided with plat mill part.
5. the protector adjustment screw of delicate structure according to claim 1, it is characterized in that: the screw flight of described adjustment screw (5) is a fine thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010564899 CN102064043A (en) | 2010-11-30 | 2010-11-30 | Protector adjusting screw with delicate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010564899 CN102064043A (en) | 2010-11-30 | 2010-11-30 | Protector adjusting screw with delicate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102064043A true CN102064043A (en) | 2011-05-18 |
Family
ID=43999274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010564899 Pending CN102064043A (en) | 2010-11-30 | 2010-11-30 | Protector adjusting screw with delicate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102064043A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568929A (en) * | 2012-02-09 | 2012-07-11 | 上海航天科工电器研究院有限公司 | External compressor protector |
| CN105422828A (en) * | 2016-01-11 | 2016-03-23 | 湖州吉昌丝绸有限公司 | Transmission gap eliminating mechanism of circular screen printer |
| US20190023229A1 (en) * | 2017-07-20 | 2019-01-24 | Vincent J. LoSacco | Motorized windshield scourer |
-
2010
- 2010-11-30 CN CN 201010564899 patent/CN102064043A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568929A (en) * | 2012-02-09 | 2012-07-11 | 上海航天科工电器研究院有限公司 | External compressor protector |
| CN105422828A (en) * | 2016-01-11 | 2016-03-23 | 湖州吉昌丝绸有限公司 | Transmission gap eliminating mechanism of circular screen printer |
| US20190023229A1 (en) * | 2017-07-20 | 2019-01-24 | Vincent J. LoSacco | Motorized windshield scourer |
| US10479326B2 (en) * | 2017-07-20 | 2019-11-19 | Vincent J. LoSacco | Motorized windshield scourer |
| US11230267B2 (en) | 2017-07-20 | 2022-01-25 | Vincent J. LoSacco | Motorized windshield scourer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110518 |