CN203339368U - Connector - Google Patents
Connector Download PDFInfo
- Publication number
- CN203339368U CN203339368U CN2013204128081U CN201320412808U CN203339368U CN 203339368 U CN203339368 U CN 203339368U CN 2013204128081 U CN2013204128081 U CN 2013204128081U CN 201320412808 U CN201320412808 U CN 201320412808U CN 203339368 U CN203339368 U CN 203339368U
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- CN
- China
- Prior art keywords
- housing
- connector according
- sidewall
- terminal position
- wall
- 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
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Abstract
The utility model discloses a connector. The connector comprises a shell and a terminal position ensurer, wherein the shell comprises a base plate and sidewalls extending upwards from the two opposite sides of the base plate respectively, and each sidewall is provided with a vertical part extending upwards from the base plate and a guide seat part located above the vertical part; the terminal position ensurer comprises a top wall and guide walls extending downwards from the two opposite sides of the top wall respectively, and the outlines of the outer surfaces of the guide walls are mutually adaptive to the outlines of the inner surfaces of the guide seat parts; limit projections are formed on the outer surfaces of the guide walls, and limit windows used for receiving and limiting the limit projections of the guide walls are formed in the sidewalls of the shell; and the upper half parts of the limit windows are formed in the guide seat parts, and the lower half parts of the limit windows are formed in the vertical parts. The connector is capable of reducing the insertion force of the terminal position ensurer in case of no influence on a retaining force, so that assembly is easier; meanwhile, the flexibility of the terminal position ensurer and the shell is further improved, so that the excessive deformation and wear of a clamping buckle are avoided.
Description
Technical field
The utility model relates to a kind of connector.
Background technology
The current connector product form that especially low level automotive connector product is used terminal position assurance part (Terminal Position Assurance or TPA) to insert housing more realizes the secondary locking function.Requirement in design, the buckle structure of TPA and housing should have certain elasticity to guarantee the smooth insertion of TPA, requires again certain rigidity that enough confining forces are provided.Simultaneously, the restriction of being correlated with again in the space of its cooperation, can not have complicated structure.Therefore, high performance nylon product as PA66 carrys out design class is all used in traditional design, and cost is corresponding higher.In addition, the product of design insertion resistance is very large like this, assembles more difficult.
Fig. 1 shows a kind of connector construction.This connector is comprised of housing 100 and TPA200.The sidewall of housing 100 is comprised of vertical portion 121 and the guide seat part 122 be positioned on vertical portion 121.Guide seat part 122 is provided with spacing window 123.Be formed with restriction protrusion 221 on the outer surface of the guiding wall 220 of TPA200.The inner surface profile of the outer surface profile of guiding wall 220 and guide seat part 122 is consistent or mutually adaptive, and with when TPA200 inserts housing 100 along direction of insertion, guiding wall 220 is directed and be received in guide seat part 122.At this moment, restriction protrusion 221 is also directed and be received in spacing window 123.Because spacing window 123 only is formed in the guide seat part 122 of housing sidewall, in guiding restriction protrusion 221 enters the process of spacing window 123, near the strain of housing sidewall spacing window 123 is more difficult, therefore needs very large insertion force restriction protrusion 221 could be pushed in spacing window 123.
In addition, in the fit structure of traditional housing and TPA, the guiding shape of TPA tends to the counter structure of housing in full accord.As shown in Figure 2, the shape of cross section of the guiding wall 220 of TPA200 is triangle; Guide seat part (not shown) in the housing 100 corresponding with it also has corresponding triangular cross section profile.Bilateral Complete Bind like this, in fact caused the transition constraint of product, produces unnecessary interference, thereby very difficult while causing TPA to insert housing.
Foregoing is only in order conveniently to understand the utility model and to meet the Patent Law related request and make, and do not mean that the content of this part is prior art.
The utility model content
The purpose of this utility model is to provide a kind of connector, and it can overcome certain or some problem of above-mentioned prior art.
According to connector of the present utility model, comprise:
Housing, comprise substrate and distinguish upwardly extending sidewall from the relative both sides of substrate, and wherein each described sidewall has from the upwardly extending vertical portion of substrate and is positioned at the guide seat part on vertical portion, and
The terminal position assurance part, comprise roof and relative both sides from the roof guiding wall to downward-extension, and wherein the inner surface profile of the outer surface profile of guiding wall and guide seat part is mutually adaptive,
Wherein, be formed with restriction protrusion on the outer surface of guiding wall, and be formed with the spacing window of the restriction protrusion for receiving and limit guiding wall on the sidewall of housing, the first half of spacing window is formed in the guide seat part of housing sidewall, and the Lower Half of spacing window is formed in the vertical portion of housing sidewall.
In a preferred embodiment of the present utility model, spacing window is two spacing windows that form side by side on direction of insertion.
In a preferred embodiment of the present utility model, the sidewall height under spacing window is greater than the sidewall height on spacing window.In this case, the height of the Lower Half of spacing window is preferably below half of height of vertical portion of housing sidewall.In addition, the height of the first half of spacing window preferably be at least housing sidewall guide seat part height 3/4ths.
In a specific embodiment of the present utility model, the height of whole spacing window is at least 1/2nd of whole housing sidewall height.
In a preferred embodiment of the present utility model, restriction protrusion reduces gradually along the direction of insertion cross section.
In a preferred embodiment of the present utility model, guiding wall has essentially identical wall thickness.In this case, the cross section of guiding wall can be curved.
In a specific embodiment of the present utility model, be formed with the passage side by side of several longitudinal extensions on the substrate of housing; And be extended with rear wall downwards from the rear end of the roof of terminal position assurance part, wherein rear wall top have several when the terminal position assurance part inserts housing with passage aligns one by one side by side also row of openings.In this embodiment, housing can also comprise the flange shape shell wall formed around passage, and shell wall comprises the upper wall of horizontal covering passage, and the hammerlock of several cantilever beam forms can longitudinal extension be arranged from upper wall, lay respectively at respective channel directly over.
In addition, in above-mentioned specific embodiment, passage can be separated by equally distributed several vertical raised lines on substrate side by side; And can also be evenly distributed with several longitudinal ribs on the lower surface of the roof of terminal position assurance part, all be formed with slideway on each rib to receive corresponding raised line.In this case, thus each rib can also stretch out roof along direction of insertion forms extension.
In a specific embodiment of the present utility model, the terminal position assurance part also comprise from the below of the opening of rear wall, extend forward for clamping the clamping part of base lower surface.In this case, between the lower surface of clamping part and substrate, can mutually lock by oat tail groove structure.
In a preferred embodiment of the present utility model, housing and terminal position assurance part are molded of Integral mold.
Connection device of the present utility model has the following advantages: in the situation that do not affect confining force, can reduce the insertion force that the terminal position assurance part inserts plastic cement, make assembling easier; Increase the elasticity of terminal position assurance part and housing, avoided excessive deformation and the wearing and tearing of buckle; And more wide in range in the product selection, can manufacture with more cheap PBT.
The accompanying drawing explanation
The side schematic view that Fig. 1 is a kind of known connector;
The perspective view of the TPA that Fig. 2 is a kind of known connector;
Fig. 3 is the exploded perspective view according to the stereochemical structure of connector of the present utility model;
The enlarged diagram of the spacing window on the sidewall that Fig. 4 is housing shown in Fig. 3;
Fig. 5 is the perspective view according to the TPA of connector of the present utility model;
Fig. 6 is the perspective view of TPA shown in Fig. 5 from another perspective; And
Fig. 7 is the assembling schematic diagram according to connector of the present utility model.
Embodiment
Describe connector of the present utility model in detail below in conjunction with accompanying drawing.It will be appreciated by those skilled in the art that the embodiment the following describes is only to exemplary illustration of the present utility model, but not for it being made to any restriction.
Fig. 3 has schematically shown connector of the present utility model, and it totally is comprised of housing 100 and terminal position assurance part (TPA) 200.Housing 100 and TPA200 all can by any suitable material for example PBT by the moulding technology integrated injection molding.
The enlarged diagram of the spacing window on the sidewall that Fig. 4 is housing shown in Fig. 3.Referring to Fig. 3 especially Fig. 4, be formed with the spacing window 123 of the restriction protrusion 221 for receiving and limit guiding wall 220 on the sidewall 120 of housing 100.With the spacing window 123 shown in Fig. 1, be formed entirely in guide seat part 122 differently, in the utility model, the first half of spacing window 123 is formed in guide seat part 122, and Lower Half is formed in vertical portion 121.When restriction protrusion 221 is directed in spacing window 123, just be limited in the first half of spacing window 123.Because the scope of spacing window 123 is enlarged to the vertical portion 121 of sidewall 120, the material monolithic of this partial sidewall tails off, thereby has increased its elasticity, has reduced the insertion force of TPA.In other words, two spacing windows 123 that the utility model forms on the sidewall 120 of housing 100 below again along vertical " cutting " (in Practical manufacturing process can by the direct injection moulding of corresponding mould but not also will carry out independent cutting step) two block of material, so just more plastic cement " cutting " is got off, thereby can increase the elasticity of this part.
Sidewall height under spacing window 123 is greater than the sidewall height on spacing window 123.Specifically, the height of spacing window 123 Lower Halves can for the height of the vertical portion 121 of housing sidewall 120 half or smaller; The height of the first half of spacing window 123 can for the height of the guide seat part 122 of housing sidewall 120 3/4ths or larger.On the whole, the height of whole spacing window 123 is not less than 1/2nd of whole housing sidewall 120 height.This structure has also been taken into account near the side wall strength spacing window on the basis of considering strain.
Clear two the spacing windows 123 that form along direction of insertion front and back (side by side) that show in Fig. 4, with two insertion positions of corresponding TPA (the spacing window that is positioned at back along direction of insertion corresponding to by housing 100 and the pre-insertion position together with TPA200 is pre-assembled in, the spacing window that is positioned at front along direction of insertion inserts the final insertion position of housing 100 corresponding to TPA200).When entering the spacing window of back or front, restriction protrusion 221 all can send corresponding click so that the operator confirms corresponding location completes.
Fig. 5 is the perspective view according to the TPA200 of connector of the present utility model.As shown in Figure 5, the outer surface profile of the upper guiding wall 220 of TPA200 is consistent with the inner surface profile of guide seat part 122 or mutually adaptive, with when TPA200 inserts housing 100 along direction of insertion (direction of arrow shown in Fig. 7), guiding wall 220 is directed and be received in guide seat part 122.Illustrated guiding wall 220 has the arc section profile, with the inboard curved profile of adaptive guide seat part 122.
As shown in Figure 5, the guiding wall 220 on TPA200 has no longer as in Figure 2 triangular cross section and therefore has different wall thickness, but be modified as, has arc-shaped cross-section.Preferably, guiding wall 220 has identical wall thickness.Equally, the cross-sectional profiles of the part of guide seat shown in Fig. 4 122 also has been modified as consistent with the arc-shaped cross-section profile of guiding wall 220.Unnecessary inboard constraint has been removed in this modification of the present utility model, subtracts the elasticity that glue has also increased two ends simultaneously, distortion and recovery while being very beneficial for TPA insertion housing.
Fig. 6 is the perspective view of TPA shown in Fig. 5 from another perspective.As shown in Figure 6, the restriction protrusion 221 on guiding wall 220 outer surfaces is the general triangular shape.Restriction protrusion 221 reduces gradually along the direction of insertion cross section, so that make it enter the spacing window 123 that back will be mentioned by less power.
Other details of the housing of the utility model connector is described below in conjunction with accompanying drawing.As shown in Figure 3, also be formed with several passages side by side 111 that extend along the plug direction on the substrate 110 of housing 100.Middle passage is spaced from each other by equally distributed several vertical raised lines 112 on substrate 110, and outermost two passages are also defined by corresponding sidewall 120.These passages 111 allow corresponding binding post (not shown) to pass.
As shown in Figure 5, TPA200 also comprises from roof 210 rear ends (TPA direction of insertion relatively) rear wall 230 to downward-extension.The top of rear wall 230 has several and row of openings 231, and after TPA200 inserts housing 100, these openings 231 align one by one with above-mentioned passage 111, to allow coordinating binding post to enter connector.When TPA200 enters housing 100 fully, rear wall 230 is against the rear end face of sidewall 120 and substrate 110.Rear wall 230 is for limiting the terminal position through the binding post of passage 111.
As shown in Figure 3, housing 100 also comprises the flange shape shell wall 130 formed around passage 111.Shell wall 130 comprises the planar top wall 131 of horizontal covering passage 111.From a distance under upper wall 131 vertically (along extracting direction) is extended with the hammerlock 132 of several cantilever beam forms, lay respectively at corresponding passage 111 directly over.When TPA200 enters housing 100 fully, the lower surface butt hammerlock 132 of roof 210, move upward with restriction hammerlock 132, thereby prevent from exiting housing 100 through the binding post of passage 111.
As shown in Figure 5 and Figure 6, also be evenly distributed with several longitudinal ribs 211 on the lower surface of the roof 210 of TPA, all be formed with slideway on each rib 211 to receive corresponding raised line 112.When TPA200 inserts housing 100, rib 211 slips over and coordinates with it and jointly form the partition wall between passage 111 on raised line 112.
Thereby rib 211 also stretches out roof 210 along direction of insertion forms extension 212.When TPA200 further inserts housing 100, the lower surface of the upper wall 131 of the extension 212 butt shell walls 130 of rib 211, thus play the effect that completes further location from top.
As shown in Figure 6, TPA200 also comprises the clamping part 232 extended forward from the below of the opening 231 of rear wall 230, when TPA200 is assembled to housing 100, and the lower surface of clamping part 232 clamping substrates 110.Can pass through oat tail groove structure (referring to Fig. 3 and Fig. 4) locking mutually between the lower surface of clamping part 232 and substrate 110.
It will be appreciated by those skilled in the art that " vertically " in specification refer to " plug direction ", comprise " direction of insertion " and " extracting direction " this both direction of the relative housing of TPA.In addition, if no special instructions, direction term " front " and " afterwards " in specification are all for " direction of insertion "; "up" and "down" is for shown position.In addition, direction term " laterally " refers on horizontal plane and vertically vertical direction.
As mentioned above, the utility model by the modification to housing and TPA dependency structure, is realized guaranteeing under the function of confining force, can be reduced TPA wearing and tearing to housing in the plug process, thereby reduce the insertion force of TPA simultaneously.In addition, structural design of the present utility model can also reduce the requirement to material, and the PA66 that can will originally use in actual production replaces to cheap PBT, thereby has reduced the cost of product.
Claims (16)
1. a connector, is characterized in that, comprising:
Housing, comprise substrate and distinguish upwardly extending sidewall from the relative both sides of substrate, and wherein each described sidewall has from the upwardly extending vertical portion of substrate and is positioned at the guide seat part on vertical portion, and
The terminal position assurance part, comprise roof and relative both sides from the roof guiding wall to downward-extension, and wherein the inner surface profile of the outer surface profile of guiding wall and guide seat part is mutually adaptive,
Wherein, be formed with restriction protrusion on the outer surface of guiding wall, and be formed with the spacing window of the restriction protrusion for receiving and limit guiding wall on the sidewall of housing, the first half of spacing window is formed in the guide seat part of housing sidewall, and the Lower Half of spacing window is formed in the vertical portion of housing sidewall.
2. connector according to claim 1, is characterized in that, spacing window is two spacing windows that form side by side on direction of insertion.
3. connector according to claim 1, is characterized in that, the sidewall height under spacing window is greater than the sidewall height on spacing window.
4. connector according to claim 3, is characterized in that, below half of the height of the vertical portion that the height of the Lower Half of spacing window is housing sidewall.
5. connector according to claim 4, is characterized in that, the height of the first half of spacing window be at least housing sidewall guide seat part height 3/4ths.
6. connector according to claim 1, is characterized in that, the height of whole spacing window is at least 1/2nd of whole housing sidewall height.
7. connector according to claim 1, is characterized in that, restriction protrusion reduces gradually along the direction of insertion cross section.
8. connector according to claim 1, is characterized in that, guiding wall has identical wall thickness.
9. connector according to claim 8, is characterized in that, the cross section of guiding wall is curved.
10. connector according to claim 1 is characterized in that:
Be formed with the passage side by side of several longitudinal extensions on the substrate of housing; And
Be extended with rear wall downwards from the rear end of the roof of terminal position assurance part, wherein rear wall top have several when the terminal position assurance part inserts housing with passage aligns one by one side by side also row of openings.
11. connector according to claim 10, it is characterized in that, housing also comprises the flange shape shell wall formed around passage, and shell wall comprises the upper wall of horizontal covering passage, and the hammerlock that several cantilever beam forms are arranged from the upper wall longitudinal extension, lay respectively at respective channel directly over.
12. connector according to claim 10 is characterized in that:
Passage is separated by equally distributed several vertical raised lines on substrate side by side; And
Also be evenly distributed with several longitudinal ribs on the lower surface of the roof of terminal position assurance part, all be formed with slideway on each rib to receive corresponding raised line.
13. connector according to claim 12, is characterized in that, thereby each rib also stretches out roof along direction of insertion, forms extension.
14. connector according to claim 1, is characterized in that, the terminal position assurance part also comprise from the below of the opening of rear wall, extend forward for clamping the clamping part of base lower surface.
15. connector according to claim 14, is characterized in that, mutually locks by oat tail groove structure between the lower surface of clamping part and substrate.
16. connector according to claim 1, is characterized in that, housing and terminal position assurance part are molded of Integral mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204128081U CN203339368U (en) | 2013-07-11 | 2013-07-11 | Connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204128081U CN203339368U (en) | 2013-07-11 | 2013-07-11 | Connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339368U true CN203339368U (en) | 2013-12-11 |
Family
ID=49708027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204128081U Expired - Fee Related CN203339368U (en) | 2013-07-11 | 2013-07-11 | Connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435772A (en) * | 2019-01-15 | 2020-07-21 | 安普泰科电子韩国有限公司 | Connector assembly and household appliance comprising same |
| CN114628937A (en) * | 2020-12-11 | 2022-06-14 | 住友电装株式会社 | Connector with a locking member |
-
2013
- 2013-07-11 CN CN2013204128081U patent/CN203339368U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111435772A (en) * | 2019-01-15 | 2020-07-21 | 安普泰科电子韩国有限公司 | Connector assembly and household appliance comprising same |
| CN114628937A (en) * | 2020-12-11 | 2022-06-14 | 住友电装株式会社 | Connector with a locking member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20210711 |