CN201355672Y - Fixing structure between plastic body and fixing member - Google Patents
Fixing structure between plastic body and fixing member Download PDFInfo
- Publication number
- CN201355672Y CN201355672Y CNU2008202087673U CN200820208767U CN201355672Y CN 201355672 Y CN201355672 Y CN 201355672Y CN U2008202087673 U CNU2008202087673 U CN U2008202087673U CN 200820208767 U CN200820208767 U CN 200820208767U CN 201355672 Y CN201355672 Y CN 201355672Y
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- CN
- China
- Prior art keywords
- fixture
- shell fragment
- plastic cement
- grab shell
- cement body
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- 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 - Lifetime
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Abstract
The utility model relates to a fixing structure between a plastic body and a fixing member, which further enhances the connection reliability between the plastic body and the fixing member. The fixing structure comprises at least one clamping hook spring plate and at least one clamping hook spring plate containing part, wherein the clamping spring plate is formed on the fixing member; the clamping hook spring plate containing part is formed in a fixing groove of the plastic body, and corresponds to the clamping hook spring plate; the clamping hook spring plate is matched with the clamping hook spring plate containing part; and the fixing member is fixed on the plastic body. The fixing structure between the existing plastic body and the existing fixing member is improved; on the basis of the existing agnail structure, the confining force between the plastic body and the fixing member is enhanced; when a printed circuit board is slightly deformed because of the heat stress generated in the welding process, the utility model can avoid that the fixing member is separated from the plastic body to influence the efficient fixing between the plastic body and the fixing member.
Description
[technical field]
The utility model relates to electric connector field, relates in particular to the fixed structure between a kind of plastic cement body and the fixture.
[background technology]
At present, in electric connector field,, normally increase fixture, make it to fixedly connected with printed circuit board (PCB) with connector plastic cement body respectively at connector itself in order to realize reliable connection the between connector and the printed circuit board (PCB) (PCB).When the existing fixed part is fixedlyed connected with printed circuit board (PCB) to the plastic cement body, as shown in Figure 1, fixture 3 is inserted in the receiver hole 2 of plastic cement body 1, and the hangnail structure of passing through on the fixture 35 fixes in the receiver hole 2 of plastic cement body 1, extend fixing hole on the printed circuit board (PCB) 4 and be used for the stiff end 6 that is connected with printed circuit board (PCB) 4 in the fixture 3 from the receiver hole 2 of plastic cement body 1, same mode of interfering by hangnail structure 5 on the stiff end 6 and the fixing hole on the printed circuit board (PCB) 4 is connected both, simultaneously, by welding, the stiff end 6 of fixture 3 is welded in the fixing hole of printed circuit board (PCB) 4, thereby realizes fixing connection plastic cement body 1 and printed circuit board (PCB) 4 by fixture 3.
Yet, in welding process,, break away from thereby cause easily the receiver hole of fixture from the plastic cement body because the thermal stress that produces in the welding process causes the slight deformation of printed circuit board (PCB) easily.In addition, in existing structure, usually the confining force between fixture and the plastic cement body there is certain requirement.Therefore, how can be by realizing in the hangnail structure on the basis of fixture and plastic cement body confining force, the self-locking that further strengthens between fixture and the plastic cement body connects, thereby strengthening the reliability that connects between plastic cement body and the fixture effectively, will be the technical problem that industry need solve.
[utility model content]
One of the utility model purpose is to provide the fixed structure between a kind of plastic cement body and the fixture, and this fixed structure has further strengthened the reliability that is connected between plastic cement body and the fixture.
The utility model is achieved in that the fixed structure between a kind of plastic cement body and the fixture, this fixed structure comprises at least one the grab shell fragment that is formed on this fixture, with in the holddown groove that is formed at this plastic cement body and with grab shell fragment at least one grab shell fragment acceptance division accordingly, wherein, grab shell fragment and grab shell fragment acceptance division cooperate, and this fixture is fixed on this plastic cement body.
Particularly, the grab shell fragment is two, is respectively formed at the both sides and the outwards perk of fixture, and wherein, when this fixture was plugged in the holddown groove, the grab shell fragment resisted in grab shell fragment acceptance division, thereby this fixture is fixed on this plastic cement body.
Further, the both sides of fixture are formed with two handle-shaped supporting constructions respectively on perpendicular to the direction of fixture, and wherein, the perk from top to bottom of grab shell fragment is on the handle-shaped supporting construction.
According to specific embodiment of the utility model, grab shell fragment acceptance division is the groove that is opened in the upper inside wall of holddown groove, wherein, the inwall joint of groove and holddown groove is formed with lock face, wherein, when this fixture is plugged in the process of holddown groove, the grab shell fragment slides on the lock face along groove, the movable end of grab shell fragment is installed on the lock face, thereby this fixture is fixed on this plastic cement body.
Particularly, fixture is strip, the grab shell fragment is formed at the middle part of fixture, and thereby the bottom of fixture is formed with the insertion section that is used for cooperating with the location hole of PCB connection PCB, wherein, the insertion section is flat " O " shape structure, simultaneously, is formed with on the long limit of " O " shape structure and is used for the hangnail structure of interfering with the inwall of this location hole of PCB.
Wherein, be formed with the hangnail structure of interfering in the both sides of the middle and lower part of fixture with the inwall of holddown groove.
Technique effect of the present utility model is: the fixed structure between existing plastic cement body and the fixture is improved, on the basis of existing hangnail structure, strengthen the confining force between plastic cement body and the fixture, the thermal stress of avoiding producing in welding process causes printed circuit board (PCB) that slight deformation is arranged, thereby make fixture and plastic cement body break away from, influence effective fixing between the two.Particularly, the utility model has been strengthened auto-lock function between the fixed structure between existing plastic cement body and the fixture, thereby has effectively strengthened confining force between the two.
[description of drawings]
For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the fixed structure schematic diagram between a kind of fixture and the plastic cement body in the prior art;
Fig. 2 is the structural representation of the fixed structure between a kind of plastic cement body described in the utility model and the fixture;
Fig. 3 is a kind of structural representation of the fixture described in the utility model embodiment;
Fig. 4 is the end view of Fig. 3.
[embodiment]
Below be according to specific instantiation embodiment of the present utility model to be described, those of ordinary skill in the art can understand structure of the present utility model easily by the content that is disclosed in following examples, advantage and effect.Moreover, below the graphic signal that is simplification graphic, and basic conception of the present utility model only is described in a schematic way, so only show the assembly relevant in graphic but not component count, shape and size drafting when implementing according to reality with the utility model, kenel, quantity and the ratio of each assembly can be done random change during its actual enforcement, and its assembly layout kenel may be more complicated.
In electric connector, in order to realize being connected between connector and the printed circuit board (PCB) (PCB), normally increase fixture at connector itself, make it to fixedly connected with printed circuit board (PCB) with connector plastic cement body respectively.Usually, in said fixing connected, connection stability and validity between fixture and the plastic cement body had determined stability and validity that connector and printed circuit board (PCB) interfix to a great extent between the two.Therefore, how guaranteeing the confining force that is connected between fixture and the plastic cement body, then is a vital link in above-mentioned being connected and fixed.
The fixed structure that the utility model provides is applied on the fixture and the connection between the plastic cement body in the electric connector field.According to the utility model, as shown in Figure 2, in the annexation between fixture 20 and plastic cement body 10, be formed with the holddown groove 11 that is used to receive fixture 20 in the plastic cement body 10.When plastic cement body 10 cooperates with fixture 20, fixture 20 places this holddown groove 11 of this plastic cement body 10, wherein, by the fixed structure between fixture 20 and the plastic cement body 10, fixture 20 is fixed in the plastic cement body 10, thereby makes things convenient for being connected between plastic cement body 10 and the printed circuit board (PCB).And usually, fixture 20 comprises the standing part of fixedlying connected with plastic cement body 10, and stretches out beyond the holddown groove 11 of this plastic cement body 10 and be used for the coupling part that the location hole (not shown) on the printed circuit board (PCB) is interfered connection.Wherein, the standing part in the fixture 20 is provided with interference structure, and as the hangnail structure, fixture 20 is interfered by the inwall of this interference structure and holddown groove 11, thereby fixture 20 is fixed in the holddown groove 11 of plastic cement body 10.Simultaneously, also correspondingly be provided with interference structure on the coupling part in the fixture 20, as the hangnail structure, when the location hole (not shown) on the coupling part of the fixture 20 insertion printed circuit board (PCB) is middle, this interference structure on the coupling part and the hole wall of location hole are done something in disregard of obstacles and are related to, realize being connected between fixture 20 and the printed circuit board (PCB), thereby realize being connected between plastic cement bodies 10 and the printed circuit board (PCB) by fixture 20.
Improvement on the fixed structure that the utility model relates to mainly is meant the improvement of the fixed structure between plastic cement body 10 and the fixture 20.
As shown in Figure 2, the utility model provides the fixed structure between a kind of fixture 20 and the plastic cement body 10, wherein, this fixed structure comprises the grab shell fragment 21 that is formed on the fixture 20, and form in the holddown groove 11 of this plastic cement body 10 and with grab shell fragment 21 grab shell fragment acceptance division accordingly, wherein, grab shell fragment 21 and grab shell fragment acceptance division cooperate, and this fixture 20 is fixed on this plastic cement body 10.Wherein, according to the utility model, the quantity of the grab shell fragment 21 on the fixture 20 can be adjusted under the prerequisite of considering the factors such as confining force size between fixture 20 and the plastic cement body 10.Yet, the quantity of grab shell fragment acceptance division in the holddown groove 11, both can be identical with the quantity of grab shell fragment 21 on the fixture 20, can only be one or more also, only need and the grab shell fragment 21 on the fixture 20 can be received in wherein, realize that fixedlying connected between fixture 20 and the plastic cement body 10 gets final product.In the utility model, when fixture 20 is installed in the holddown groove 11 of plastic cement body 10, grab shell fragment 21 on the fixture 20 places the grab shell fragment acceptance division of plastic cement body 10, realize the auto-lock function between fixture 20 and the plastic cement body 10, thereby fixture 20 is fixed in the plastic cement body 10, avoids both to break away from mutually.
According to embodiment of the present utility model, shown in Fig. 2-4, the grab shell fragment 21 that is formed on the fixture 20 has two, be respectively formed at the both sides and the outwards perk of fixture 20, correspondingly, grab shell fragment acceptance division structure in the plastic cement body 10 is with respect to grab shell fragment 21 and the structure that indent forms in the holddown groove 11, wherein, when this fixture 20 is plugged in the holddown groove 11 of plastic cement body 10, grab shell fragment 21 resists in the structure as grab shell fragment acceptance division, thereby this fixture 20 is fixed on this plastic cement body 10.
Particularly, according to specific embodiment of the utility model, as shown in Figure 2, grab shell fragment acceptance division is the groove 12 that is opened in the upper inside wall of plastic cement body 10 holddown grooves 11, wherein, groove 12 is formed with lock face 13 with the inwall joint of holddown groove 11, wherein, when this fixture 20 is plugged in the process of holddown groove 11, grab shell fragment 21 slides on the lock face 13 along groove 12, the movable end of grab shell fragment 21 is installed on the lock face 13, thereby this fixture 20 is fixed on this plastic cement body 10.
Further, according to specific embodiment of the utility model, as shown in Figure 3-4, the both sides of fixture 20 are formed with two handle-shaped supporting constructions 22 respectively on perpendicular to the direction of fixture 20, wherein, grab shell fragment 21 perk from top to bottom is on handle-shaped supporting construction 22.Replacedly, grab shell fragment 21 also can directly be formed at the body part of fixture 20.
A kind of fixture that the utility model provides and the fixed structure between the plastic cement body, on the basis that between is fixed by the hangnail structure, increased a grab elastic piece structure, formed the auto-lock function between fixture and the plastic cement body, thereby strengthened the confining force that is connected between fixture and the plastic cement body, prevent that both break away from.The thermal stress of avoiding producing in welding process causes printed circuit board (PCB) that slight deformation is arranged, thereby makes fixture and plastic cement body break away from, influence effective fixing between the two.
The explanation that above-mentioned embodiment of the present utility model is only exemplary principle of the present utility model and effect thereof, but not be used to limit the utility model, know and it will be understood by those skilled in the art that, under the situation that does not depart from spirit and scope of the present utility model, any changes and improvements that the utility model is done are all in scope of the present utility model.Rights protection scope of the present utility model, should as the application claim defined is as the criterion.
Claims (6)
1. the fixed structure between a plastic cement body (10) and the fixture (20) comprises
Be formed on this fixture (20) at least one grab shell fragment (21) and
Be formed in the holddown groove (11) of this plastic cement body (10) and with described grab shell fragment (21) at least one grab shell fragment acceptance division accordingly, wherein, described grab shell fragment (21) and described grab shell fragment acceptance division cooperate, and this fixture (20) is fixed on this plastic cement body (10).
2. fixed structure as claimed in claim 1, wherein:
Described grab shell fragment (21) is two, be respectively formed at the both sides and the outwards perk of described fixture (20), wherein, when this fixture (20) is plugged in the described holddown groove (11), described grab shell fragment (21) resists in described grab shell fragment acceptance division, thereby this fixture (20) is fixed on this plastic cement body (10).
3. fixed structure as claimed in claim 2, wherein:
The both sides of described fixture (20) are formed with two handle-shaped supporting constructions (22) respectively on perpendicular to the direction of described fixture (20), wherein, described grab shell fragment (21) perk from top to bottom is on described handle-shaped supporting construction (22).
4. as any fixed structure described in the claim among the claim 1-3, wherein:
Described grab shell fragment acceptance division is the groove (12) that is opened in the upper inside wall of described holddown groove (11), wherein, described groove (12) is formed with lock face (13) with the described inwall joint of described holddown groove (11), wherein, when this fixture (20) is plugged in the process of described holddown groove (11), described grab shell fragment (21) slides on the described lock face (13) along described groove (12), the movable end of described grab shell fragment (21) is installed on the described lock face (13), thereby this fixture (20) is fixed on this plastic cement body (10).
5. fixed structure as claimed in claim 1, wherein:
Described fixture (20) is strip, described grab shell fragment (21) is formed at the middle part of described fixture (20), and described fixture (20) thus the bottom be formed with the insertion section (23) that is used for cooperating connection PCB with the location hole of PCB, wherein, described insertion section (23) is " O " shape structure of flat, simultaneously, be formed with on the long limit of " O " shape structure and be used for the hangnail structure (24) of interfering with the inwall of this location hole of PCB.
6. fixed structure as claimed in claim 1, wherein:
Both sides in the middle and lower part of described fixture (20) are formed with the hangnail structure (25) of interfering with the described inwall of described holddown groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202087673U CN201355672Y (en) | 2008-12-30 | 2008-12-30 | Fixing structure between plastic body and fixing member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202087673U CN201355672Y (en) | 2008-12-30 | 2008-12-30 | Fixing structure between plastic body and fixing member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355672Y true CN201355672Y (en) | 2009-12-02 |
Family
ID=41412015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202087673U Expired - Lifetime CN201355672Y (en) | 2008-12-30 | 2008-12-30 | Fixing structure between plastic body and fixing member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201355672Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI418098B (en) * | 2009-12-28 | 2013-12-01 | Molex Inc | Card edge connector |
| CN106654674A (en) * | 2015-11-03 | 2017-05-10 | 镇江市华展电子科技有限公司 | Novel radio-frequency connector inner conductor fixation structure |
| CN107994365A (en) * | 2016-10-26 | 2018-05-04 | 德尔福中央电气（上海）有限公司 | A kind of electric automobile high current connector with plastic cement stress release feature |
| CN110416764A (en) * | 2018-04-26 | 2019-11-05 | 广濑电机株式会社 | Circuit board electrical connector |
-
2008
- 2008-12-30 CN CNU2008202087673U patent/CN201355672Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI418098B (en) * | 2009-12-28 | 2013-12-01 | Molex Inc | Card edge connector |
| CN106654674A (en) * | 2015-11-03 | 2017-05-10 | 镇江市华展电子科技有限公司 | Novel radio-frequency connector inner conductor fixation structure |
| CN107994365A (en) * | 2016-10-26 | 2018-05-04 | 德尔福中央电气（上海）有限公司 | A kind of electric automobile high current connector with plastic cement stress release feature |
| CN107994365B (en) * | 2016-10-26 | 2021-05-25 | 安波福中央电气（上海）有限公司 | Electric automobile high current connector with plastic stress release characteristic |
| CN110416764A (en) * | 2018-04-26 | 2019-11-05 | 广濑电机株式会社 | Circuit board electrical connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |
|
| CX01 | Expiry of patent term |