CN207378104U - The overload protection of plastic gear - Google Patents
The overload protection of plastic gear Download PDFInfo
- Publication number
- CN207378104U CN207378104U CN201721499197.3U CN201721499197U CN207378104U CN 207378104 U CN207378104 U CN 207378104U CN 201721499197 U CN201721499197 U CN 201721499197U CN 207378104 U CN207378104 U CN 207378104U
- Authority
- CN
- China
- Prior art keywords
- gear
- slot
- fixture block
- card slot
- casing
- 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
Links
Abstract
The utility model is related to a kind of overload protections of plastic gear; belong to plastic gear technical field; including gear and casing; gear is sleeved on casing; gap is left between gear and casing, several groups of connection components for being flexibly connected gear with casing are provided between gear and casing；Connection component includes the fixture block and card slot that cooperate, and the notch size of card slot is more than the slot bottom size of card slot, the installation end of fixture block and/or card slot is provided with elastic parts；Elastic parts is used to fixture block and card slot entering connection status.Pass through the overload protection of plastic gear described in the utility model; its is simple in structure; under normal work; under the action of elastic component; fixture block is in connection status with card slot, and when being driven overload, fixture block will be separated with card slot; so as to be protected well to plastic gear, the service life of gear is effectively improved.
Description
Technical field
The utility model is related to a kind of overload protections of plastic gear, belong to plastic gear technical field.
Background technology
With the continuous development of plastic industry, with plastics come to make gear be very common thing, present plastics
Gear is generally used for the smaller industry of driving torque, but when in use, if gear rear end cannot be smoothed out transmission, and tooth
Wheel front end is also working, and at this time gear will bear very big torsional forces (being commonly called as " overloading "), if reaction immediately will not
The tooth of plastic gear is damaged.
Utility model content
According to the above-mentioned deficiencies in the prior art, the technical problems to be solved in the utility model is：A kind of plastic teeth is provided
The overload protection of wheel, it is simple in structure, plastic gear can be protected well when being driven and overloading, be effectively improved tooth
The service life of wheel.
The overload protection of plastic gear described in the utility model, including gear and casing, it is characterised in that：Gear
Body is sleeved on casing, and gap is left between gear and casing, and several groups are provided between gear and casing will
The connection component that gear is flexibly connected with casing；Connection component includes the fixture block and card slot that cooperate, card slot
Notch size is more than the slot bottom size of card slot, and the installation end of fixture block and/or card slot is provided with elastic parts；Elastic parts is used for
Fixture block and card slot are entered into connection status.
Further, preferably described elastic parts is elastic piece.
Further, preferably described elastic parts is spring.
Further, preferably described card slot is opened on gear inner surface, and sliding slot is offered on the tube wall of casing, card
Block is arranged in sliding slot, and elastic parts is mounted between fixture block and the slot bottom of sliding slot.
Further, preferably described card slot is opened on bushing outer surface, and sliding slot is offered on the inner surface of gear,
Fixture block is arranged in sliding slot, and elastic parts is mounted between fixture block and the slot bottom of sliding slot.
Further, the first sliding groove is offered on preferably described gear inner surface, card slot is arranged in the first sliding groove, bullet
Property component be mounted between card slot and the slot bottom of the first sliding groove；The second sliding slot is offered on the tube wall of casing, fixture block is arranged on
In second sliding slot, elastic parts is mounted between fixture block and the slot bottom of the second sliding slot.
Further, the first sliding groove is offered on preferably described gear inner surface, fixture block is arranged in the first sliding groove, bullet
Property component be mounted between fixture block and the slot bottom of the first sliding groove；The second sliding slot is offered on the tube wall of casing, card slot is arranged on
In second sliding slot, elastic parts is mounted between card slot and the slot bottom of the second sliding slot.
Compared with prior art, the utility model has the advantages that：
It is simple in structure by the overload protection of plastic gear described in the utility model, under normal work, in elastic component
Under the action of, fixture block is in connection status with card slot, and when being driven overload, fixture block will be separated with card slot, so as to good
Plastic gear is protected, is effectively improved the service life of gear.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fit structure schematic diagrames of the Fig. 2 between casing, fixture block and elastic piece；
Fig. 3 is structure diagram when card slot is opened up in gear；
In figure：1st, gear 2, fixture block 3, elastic piece 4, casing 5, card slot.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings：
Below by way of specific embodiment, the utility model is described in further detail, but not to limit the utility model, it is all
Within spirit of the invention and principle, any modifications, equivalent replacements and improvements are made should be included in the utility model
Within protection domain.
Embodiment one
As shown in Figure 1 to Figure 3, the overload protection of the plastic gear, including gear 1 and casing 4, gear 1
It is sleeved on casing 4, gap is left between gear 1 and casing 4, several groups are provided between gear 1 and casing 4 will
The connection component that gear 1 is flexibly connected with casing 4；Connection component includes the fixture block 2 to cooperate and card slot 5, card
The notch size of slot 5 is more than the slot bottom size of card slot 5, and the installation end of fixture block 2 and/or card slot 5 is provided with elastic parts；Elasticity
Component is used to fixture block 2 and card slot 5 entering connection status.
In the present embodiment, the elastic parts is elastic piece 3；
As shown in figure 3, the card slot 5 is opened on 1 inner surface of gear, sliding slot is offered on the tube wall of casing 4,
Fixture block 2 is arranged in sliding slot, and elastic parts is mounted between fixture block 2 and the slot bottom of sliding slot；In practical application, elastic parts,
Fixture block 2 can also have following fit system with card slot 5：
1st, the card slot is opened on 4 outer surface of casing, and sliding slot is offered on the inner surface of gear 1, and fixture block is set
It puts in sliding slot, elastic parts is mounted between fixture block and the slot bottom of sliding slot；
2nd, card slot 5 is become into an independent entirety, the first sliding groove is offered on 1 inner surface of gear, blocked
Slot is arranged in the first sliding groove, and elastic parts is mounted between card slot and the slot bottom of the first sliding groove；It is opened up on the tube wall of casing 4
There is the second sliding slot, fixture block is arranged in the second sliding slot, and elastic parts is mounted between fixture block and the slot bottom of the second sliding slot；
3rd, card slot 5 is become into an independent entirety, the first sliding groove is offered on 1 inner surface of gear, blocked
Block is arranged in the first sliding groove, and elastic parts is mounted between fixture block and the slot bottom of the first sliding groove；It is opened up on the tube wall of casing 4
There is the second sliding slot, card slot is arranged in the second sliding slot, and elastic parts is mounted between card slot and the slot bottom of the second sliding slot.
In use, the phenomenon that in the event of transmission overload, at this time fixture block 2 will be separated with card slot 5, extensive when being driven
When multiple normal, under the action of elastic parts, fixture block 2 will be made to be in connection status again with card slot 5.
Embodiment two
It is changed on the basis of embodiment one, the elastic parts is spring.
Other same embodiments one.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states merely illustrates the principles of the invention, and on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model will
Protection domain is asked to be defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of overload protection of plastic gear, including gear (1) and casing (4), it is characterised in that：Gear (1)
It is sleeved on casing (4), gap is left between gear (1) and casing (4), set between gear (1) and casing (4)
There are several groups of connection components for being flexibly connected gear (1) with casing (4)；Connection component includes the card to cooperate
Block (2) and card slot (5), the notch size of card slot (5) are more than the slot bottom size of card slot (5), in fixture block (2) and/or card slot (5)
Installation end is provided with elastic parts；Elastic parts is used to fixture block (2) and card slot (5) entering connection status.
2. the overload protection of plastic gear according to claim 1, it is characterised in that：The elastic parts is elastic piece
(3)。
3. the overload protection of plastic gear according to claim 2, it is characterised in that：The elastic parts is spring.
4. the overload protection of the plastic gear according to claim 1,2 or 3, it is characterised in that：The card slot (5) is opened in
On gear (1) inner surface, sliding slot is offered on the tube wall of casing (4), fixture block (2) is arranged in sliding slot, elastic parts
Mounted on fixture block (2) between the slot bottom of sliding slot.
5. the overload protection of the plastic gear according to claim 1,2 or 3, it is characterised in that：The card slot is opened in set
It manages on (4) outer surface, sliding slot is offered on the inner surface of gear (1), fixture block is arranged in sliding slot, elastic parts installation
Between fixture block and the slot bottom of sliding slot.
6. the overload protection of the plastic gear according to claim 1,2 or 3, it is characterised in that：In the gear (1)
The first sliding groove is offered on surface, card slot is arranged in the first sliding groove, and elastic parts is mounted on card slot and the slot bottom of the first sliding groove
Between；The second sliding slot is offered on the tube wall of casing (4), fixture block is arranged in the second sliding slot, and elastic parts is mounted on fixture block
Between the slot bottom of the second sliding slot.
7. the overload protection of the plastic gear according to claim 1,2 or 3, it is characterised in that：In the gear (1)
The first sliding groove is offered on surface, fixture block is arranged in the first sliding groove, and elastic parts is mounted on fixture block and the slot bottom of the first sliding groove
Between；The second sliding slot is offered on the tube wall of casing (4), card slot is arranged in the second sliding slot, and elastic parts is mounted on card slot
Between the slot bottom of the second sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499197.3U CN207378104U (en) | 2017-11-10 | 2017-11-10 | The overload protection of plastic gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499197.3U CN207378104U (en) | 2017-11-10 | 2017-11-10 | The overload protection of plastic gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207378104U true CN207378104U (en) | 2018-05-18 |
Family
ID=62332447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721499197.3U Expired - Fee Related CN207378104U (en) | 2017-11-10 | 2017-11-10 | The overload protection of plastic gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207378104U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331295A (en) * | 2018-11-27 | 2019-02-15 | 甘肃成纪生物药业有限公司 | A kind of injection pen |
| CN110242683A (en) * | 2019-05-14 | 2019-09-17 | 鲍必道 | A kind of cement lifting device output shaft with defencive function |
| CN110614181A (en) * | 2019-10-15 | 2019-12-27 | 杨淑丽 | Fixed type moving device for pipeline parts for spraying paint inside pipeline hole structure |
-
2017
- 2017-11-10 CN CN201721499197.3U patent/CN207378104U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331295A (en) * | 2018-11-27 | 2019-02-15 | 甘肃成纪生物药业有限公司 | A kind of injection pen |
| CN109331295B (en) * | 2018-11-27 | 2024-04-19 | 甘肃成纪生物药业有限公司 | Injection pen |
| CN110242683A (en) * | 2019-05-14 | 2019-09-17 | 鲍必道 | A kind of cement lifting device output shaft with defencive function |
| CN110614181A (en) * | 2019-10-15 | 2019-12-27 | 杨淑丽 | Fixed type moving device for pipeline parts for spraying paint inside pipeline hole structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207378104U (en) | The overload protection of plastic gear | |
| CN107631005A (en) | The overload protection of plastic gear | |
| CN204716924U (en) | A kind of Self-lubricating gear | |
| CN202646446U (en) | Limit-torque plum elastic shaft coupler | |
| CN207192746U (en) | Cap screwing device | |
| CN204437100U (en) | A kind of for pebble mill highly elastic shaft coupling | |
| CN203847662U (en) | Combined impact-resistant gear | |
| CN204878393U (en) | Shaft coupling with lubricating arrangement | |
| CN204493481U (en) | The dismountable coupling of a kind of projection | |
| CN206299713U (en) | Overload protection shaft | |
| CN203189654U (en) | Novel built-up gear | |
| CN203560271U (en) | Working pump shaft used on loader transmission case | |
| CN202560713U (en) | Shaft fastening member used for engineering machinery | |
| CN103256373A (en) | Gear with good anti-vibration performance | |
| CN106802703A (en) | One kind destatics computer hardware slot | |
| CN207506513U (en) | Brush on dust catcher | |
| CN204477593U (en) | A kind of conduit of anti-impurity blocking | |
| CN205136526U (en) | A intermediate gear for connecting inverter motor heat abstractor | |
| CN204041710U (en) | The transmission shaft of ground gas turbine and ground gas turbine | |
| CN203272677U (en) | Gear with good anti-vibration performance | |
| CN103133644A (en) | Novel combined gear | |
| CN207642423U (en) | Remove pipeline internal burr tool | |
| CN204284407U (en) | The gear-box of drawbench | |
| CN210828776U (en) | Universal machine door shaft | |
| CN205158249U (en) | Two sides IO card |
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: 20180518 Termination date: 20201110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |