CN209168960U - Contact fixed structure - Google Patents
Contact fixed structure Download PDFInfo
- Publication number
- CN209168960U CN209168960U CN201821961961.9U CN201821961961U CN209168960U CN 209168960 U CN209168960 U CN 209168960U CN 201821961961 U CN201821961961 U CN 201821961961U CN 209168960 U CN209168960 U CN 209168960U
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- China
- Prior art keywords
- contact
- slot
- installation
- locating piece
- limit
- 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.)
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Abstract
The utility model discloses a kind of contact fixed structures, for fixing multiple contacts, multiple contact insertion installations are on the positioning element, locating piece is fixedly mounted in pedestal, the locating piece includes multiple perforative installation through slots, and be arranged in it is each installation through slot enter notch it is monosymmetric not through limiting groove, positive stop lug boss is symmetrically arranged on the side of the contact two sides, the contact is inserted into the installation through slot and cooperates with installation through slot interference fit, the limiting groove and positive stop lug boss limit；The locating piece is equipped with the first guide and limit mechanism, the locating piece that the top of side plate is equipped with evagination in locating piece two sides is linked up with, the second guide and limit mechanism cooperated with the first guide and limit mechanism is equipped in the pedestal, the base hook slot with locating piece hook cooperation is equipped on the side wall of the pedestal, it is simple that the contact fixed structure of the utility model realizes assembly technology, and reliability is not influenced by external force.
Description
Technical field
The utility model relates to low-voltage electrical apparatus accessories field more particularly to a kind of contact fixed structures.
Background technique
Structure of contact terminal is the execution unit of each electric appliances (contactor, relay and breaker etc.), in the process used
In, it is used for make-and-break contact, structure of contact terminal to have extensive use in this electric appliances.For example, currently, for contactor and
Speech, static contact is generally made of contact plate and stationary contact, and stationary contact is fixed on contact plate, and contact plate is then fixed on contactor
The insulation body on, to allow contact plate not occur position when by moving contact pressure or external force (such as terminal block) mobile,
In general, the displacement that contactor can limit conductive plate by the way that limited step is arranged on the body of contact plate end, to reach
Fixed purpose.However, the fixation with upper contact head is needed that limited step is arranged on the body to be fixed, it can
See, the fit on that is fixed on of contact has that assembly technology is complicated and is influenced by external force.
Utility model content
It is influenced purpose of the utility model is to solve above-mentioned assembly technology complexity of the existing technology and by external force
Defect, a kind of contact fixed structure is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of contact fixed structure, including pedestal 100, locating piece 200 and multiple contacts 300, the multiple contact 300 are embedding
Enter to be mounted on locating piece 200, locating piece 200 is fixedly mounted in pedestal 100, and the locating piece 200 includes multiple perforative
Install through slot 202, and be arranged in it is each installation through slot 202 enter notch it is monosymmetric not through limiting groove 204, it is described
Be symmetrically arranged with positive stop lug boss 309 on the side of 300 two sides of contact, the contact 300 be inserted into the installation through slot 202 and with installation
Through slot 202 is interference fitted, and the limiting groove 204 cooperates with the positive stop lug boss 309 limit；The locating piece 200 is equipped with
First guide and limit mechanism is equipped with the locating piece hook 206 of evagination, the pedestal 100 at the top of 200 two sides side plate of locating piece
It is interior equipped with the second guide and limit mechanism cooperated with the first guide and limit mechanism, be equipped on the side wall of the pedestal 100 and fixed
The base hook slot 117 of 206 cooperation of position part hook.
Preferably, the contact 300 includes the contact blade 301 equipped with contact 313, and the contact blade 301 includes successively connecting
The width of contact portion 304, fixed part 305 and the boss portion 306 connect, contact portion 304 is less than fixed part 305, the width of fixed part 305
Degree is less than boss portion 306, and the two sides that boss portion 306 is wider than fixed part 305 form positive stop lug boss 309, the peace of the locating piece 200
It fills through slot 202 and fixed part 305 is interference fitted.
Preferably, the contact 300 is at Z-shaped, contact blade 301, lug plate 302 and company including being equipped with contact 313
The connection sheet 303 between contact blade 301 and lug plate 302 is connect, contact blade 301 and lug plate 302 are arranged in parallel, connection sheet
303 are arranged in the company of contact blade 301 and connection sheet 303 perpendicular to contact blade 301 and lug plate 302, the positive stop lug boss 309
Place is met, edge chamfer 310 is equipped with close to the side of contact 313 in positive stop lug boss 309, is equipped with wiring in the end of lug plate 302
Boss 311.
Preferably, first guide and limit mechanism includes 201 He of guide and limit slot that 200 middle part of locating piece is arranged in
Guide surface 205 on the side of the fixed side arm 209 in 200 two sides of locating piece；Second guide and limit mechanism includes setting
It sets the center pillar guiding rib 119 in pedestal 100 and is located at 100 two sides side wall upper side guiding rib 115 of pedestal, the side is led
It include spaced first side guiding rib and second side guiding rib to muscle 115；The fixation side arm 209 of locating piece 200 with
First side guiding rib and the cooperation of second side guiding rib, guide and limit slot 201 and center pillar guiding rib 119 cooperate.
Preferably, the locating piece 200 is equipped with two column and installs through slot 202, is equipped in the two sides of two column installation through slots 202
Fixed side arm 209, it includes two installation through slots 202 that each column, which installs through slot 202, is equipped with guiding between two column installation through slots 202
Limiting slot 201 is additionally provided with the limit plate 203 cooperated with contact 300 in the two sides of the top of installation through slot 202, in installation through slot
202 top, which is located between limit plate 203 and fixed side arm 209, is additionally provided with snap-arms 208.
Preferably, the section of the guide and limit slot 201 is convex shape；In the top and bottom of the limiting groove 204
Equipped with groove chamfering 207.
Preferably, the limit plate 203 is used to accommodate the connection sheet 303 of limit contact 300 at step shape.
Preferably, the snap-arms 208 are used at U-type groove structure, and in the card slot that the two sides of U-type groove structure are equipped with recess
With fitting coils.
Preferably, contact 313 is respectively provided on underlying installation through slot 202 in the two column installation through slot 202
The first contact in top；Alternatively, being respectively provided with contact 313 on the installation through slot 202 being located above in two column installation through slots 202
The second contact positioned at bottom；Alternatively, in the case where the wherein column in the two column installation through slot 202 are installed and are located in through slot 202
Setting contact 313 is located at first contact at top on the installation through slot 202 of side, is located above in another column installation through slot 202
Setting contact 313 is located at the second contact of bottom on installation through slot 202.
Preferably, it is respectively equipped with side guide muscle 115 and base hook slot 117 on the two sides side wall of pedestal 100, the bottom of at
Seat middle part is equipped with middle partition 118, pedestal contact pocket 103 is equipped between middle partition 118 and the two sides side wall of pedestal 100, in interval
Plate 118 is equipped with center pillar guiding rib 119.
The contact fixed structure of the utility model has multiple perforative installation through slots, the multiple contact on the positioning element
It is inserted into the installation through slot and is interference fitted with the installation through slot, and the positive stop lug boss of contact two sides and installation through slot enter notch
Two sides not through limiting groove cooperate, enable locating piece and multiple contacts to carry out the one of interference fit composition variform
A entirety, and be fixedly mounted in pedestal by the first guide and limit mechanism of locating piece and locating piece hook, this is practical new
The contact fixed structure of type realizes reliability not to be influenced by external force, and assembly technology is simple.
Detailed description of the invention
Fig. 1 is the contact of the utility model embodiment and the direction structure schematic diagram that locating piece is combined；
Fig. 2 is the structural schematic diagram of the locating piece of the utility model embodiment；
Fig. 3 is the structural schematic diagram of the pedestal of the utility model embodiment；
Fig. 4 is the locating piece of the utility model embodiment and the structural schematic diagram that pedestal is combined；
Fig. 5 is the assembly effect diagram of the utility model embodiment；
Fig. 6 is the structural schematic diagram of first contact of the utility model embodiment；
Fig. 7 is the structural schematic diagram of second contact of the utility model embodiment；
Fig. 8 is the structural schematic diagram of a kind of locating piece and contact combinations of the utility model embodiment；
Fig. 9 is another locating piece of the utility model embodiment and the structural schematic diagram of contact combinations；
Figure 10 is another locating piece of the utility model embodiment and the structural schematic diagram of contact combinations.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1-10 is provided, the shell of the contact fixed structure of the invention is further illustrated
The specific embodiment of structure.The shell structure of the contact fixed structure of the invention is not limited to the following description.
As shown in Figs. 1-5, as an embodiment of the present invention, contact fixed structure includes pedestal 100, locating piece
200 and multiple contacts 300, the multiple insertion of contact 300 is mounted on locating piece 200, and locating piece 200 is fixedly mounted on pedestal
In 100, the locating piece 200 includes multiple perforative installation through slots 202, and is arranged and enters notch in each installation through slot 202
It is monosymmetric not through limiting groove 204, be symmetrically arranged with positive stop lug boss 309 on the side of 300 two sides of contact, it is described
Contact 300 is inserted into the installation through slot 202 and is interference fitted with installation through slot 202, the limiting groove 204 and the limit convex
The limit cooperation of platform 309；The locating piece 200 is equipped with the first guide and limit mechanism, sets at the top of 200 two sides side plate of locating piece
There is the locating piece hook 206 of evagination, is equipped with the second guide and limit machine cooperated with the first guide and limit mechanism in the pedestal 100
Structure is equipped with the base hook slot 117 with 206 cooperation of locating piece hook on the side wall of the pedestal 100.The touching of the utility model
Head fixed structure, there is multiple perforative installation through slots on the positioning element, the multiple contact be inserted into the installation through slot and with institute
State installation through slot interference fit, and the positive stop lug boss of contact two sides with install through slot enter notch two sides not through limiting groove match
It closes, enables locating piece to carry out an entirety of interference fit composition variform with multiple contacts, and pass through locating piece
The first guide and limit mechanism and locating piece hook be fixedly mounted in pedestal, the contact fixed structure of the utility model realizes
Reliability is not influenced by external force, and assembly technology is simple.
As shown in Figs. 1-2, a kind of embodiment of the utility model locating piece, the locating piece 200 include being arranged at middle part
Multiple perforative installation through slots 202 and the fixation side arm 209 positioned at two sides, enter notch two sides in each installation through slot 202
It is symmetrical be equipped with not through limiting groove 204, the multiple contact 300 be inserted into the installation through slot 202 and with the installation
Through slot 202 is interference fitted, and the positive stop lug boss 309 of the limiting groove 204 and contact 300, which limits, to be cooperated.On the locating piece 200
Equipped with the first guide and limit mechanism cooperated with pedestal 100, it is equipped with locating piece hook 206 at the top of fixed side arm 209, it is described
It is equipped with the second guide and limit mechanism cooperated with the first guide and limit mechanism in pedestal 100, is set on the side wall of the pedestal 100
There is the base hook slot 117 with 206 cooperation of locating piece hook.
As Figure 2-3, first guide and limit mechanism includes the guide and limit slot that 200 middle part of locating piece is arranged in
201 and the guide surface 205 on fixed 209 two sides side of side arm；Second guide and limit mechanism includes being arranged the bottom of at
Center pillar guiding rib 119 in seat 100 and the side guide muscle 115 on 100 two sides side wall of pedestal, the side guide muscle
115 include spaced first side guiding rib and second side guiding rib, when the locating piece 200 is being embedded in the pedestal
During 100, first side guiding rib and second side guiding rib and the cooperation of guide surface 205 limit fixed side arm 209, and it is fixed to make
Position part 200 cannot move forward and backward, and center pillar guiding rib 119 is embedded in guide and limit slot 201, prevent locating piece 200 from left and right displacement,
After being installed in place, in 206 insertion base hook slot 117 of locating piece hook, prevent locating piece 200 from deviating from from top.
As shown in Fig. 1,6-7, the contact 300 is at Z-shaped, contact blade 301, lug plate 302 including being equipped with contact 313
And it is connected to the connection sheet 303 between contact blade 301 and lug plate 302, contact blade 301 and lug plate 302 are arranged in parallel, even
Contact pin 303 is arranged perpendicular to contact blade 301 and lug plate 302, the positive stop lug boss 309 in contact blade 301 and connection sheet 303
Junction, positive stop lug boss 309 close to contact 313 side be equipped with edge chamfer 310, be equipped in the end of lug plate 302
Wiring boss 311.
The contact blade 301 includes sequentially connected contact portion 304, fixed part 305 and boss portion 306, contact portion 304
Width is less than fixed part 305, and the width of fixed part 305 is less than boss portion 306, and boss portion 306 is wider than the two sides shape of fixed part 305
At positive stop lug boss 309, the installation through slot 202 and fixed part 305 of the locating piece 200 are interference fitted.In the installation of locating piece 200
The two sides of the top of through slot 202 are additionally provided with the limit plate 203 cooperated with contact 300, and the connection sheet 303 is matched with limit plate 203
It closes, for limiting the displacement of the insertion of contact 300, the limit plate 203 can cooperate shape with the limit plate 203 at step shape
Connection sheet 303 is accommodated at fitting closely.
Specifically, the locating piece 200, which is equipped with two column, installs through slot 202, it is equipped in the two sides of two column installation through slots 202
Fixed side arm 209, it includes two installation through slots 202 that each column, which installs through slot 202, is equipped with guiding between two column installation through slots 202
Limiting slot 201, the section of the guide and limit slot 201 are convex shape, are additionally provided with and touch in the two sides of the top of installation through slot 202
The limit plate 203 of first 300 cooperation, the limit plate 203 are conducive to be limited when contact 300 is inserted into the locating piece 200, control
Make the displacement that the contact 300 is inserted into.It is each installation through slot 202 enter notch it is monosymmetric be equipped with not through limiting groove
204, it is equipped with groove chamfering 207 in the top and bottom of the limiting groove 204, the groove chamfering 207 can be prevented in mistake
Be full of cooperation when, cause the damage on component, while concentrated stress can also be reduced, assemble up more easily.In installation through slot 202
Top be located between limit plate 203 and fixed side arm 209 and be additionally provided with snap-arms 208, the snap-arms 208 at U-type groove structure,
And be used for and fitting coils in the card slot that the two sides of U-type groove structure are equipped with recess, coil be fixed in snap-arms 208 card slot and
Between cover board.
A contact 300 can be respectively set on each column installation through slot 202 of the locating piece 200, contact 300 can be
Contact 313 is located at first contact at top and/or contact 313 is located at the second contact of bottom, two contacts as shown in fig. 6-7
Structure.The contact escape groove of the evacuation contact 313 of perforation is respectively equipped in the top and bottom sidewall of the installation through slot 202 of locating piece 200
213, it is respectively used to the contact of evacuation the first contact and the second contact.The locating piece 200 can pass through the peace in different location
Dress through slot 202 installs different contacts and constitutes double normally opened, double normally closed, one normally opened one normally closed contact combinations.As shown in figure 8,
The first contact that contact 313 is located at top is respectively provided on underlying installation through slot 202 in two column installation through slots 202；Such as Fig. 9
Shown in, contact 313 is located at bottom second is respectively provided on the installation through slot 202 that is located above in two column installation through slots 202
Contact；And it is shown in Fig. 10, it is underlying in the wherein column installation through slot 202 in the two column installation through slot 202
Setting contact 313 is located at first contact at top, the installation being located above in another column installation through slot 202 on installation through slot 202
The second contact that contact 313 is located at bottom is set on through slot 202.Certainly, in the present invention, multiple contacts 300 are not limited
Combining form, in this way, while there is diversity in the choice without limitation on the form only fixed with certain in combination.
As illustrated in figures 4-5, after the interference fit of installation through slot 202 of multiple contacts 300 insertion locating piece 200 is fixed, touching
First 300 with installation through slot 202 in being fitted into pedestal 100 from top to bottom.In the present embodiment, two can be installed in pedestal 100
Locating piece 200 is respectively equipped with side guide muscle 115 and base hook slot 117 on the two sides side wall of pedestal 100, in the base
Portion is equipped with middle partition 118, pedestal contact pocket 103 is equipped between middle partition 118 and the two sides side wall of pedestal 100, in middle partition 118
It is equipped with center pillar guiding rib 119, when locating piece 200 is packed into pedestal 100, the fixation side arm 209 of 200 two sides of locating piece is inserted into side
Gap between the first side guiding rib and second side guiding rib of guiding rib 115, the side of locating piece 200 is against middle partition
118 and guide and limit slot 201 be inserted into center pillar guiding rib 119 in, after being installed in place, locating piece hook 206 insertion base hooks
In slot 117.
It should be noted that will use the noun of locality in the utility model, being said such as up and down, front and back to structural orientation
It is bright, while also using and being illustrated such as first, second, use in this way is intended merely to describe to be more clear, and revocable
Sequence is all to be subject to seen attached drawing direction to be illustrated.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that specific embodiment of the present utility model is only limited to these instructions.For the common of the utility model technical field
For technical staff, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all answers
When being considered as belonging to the protection scope of the utility model.
Claims (10)
1. a kind of contact fixed structure, including pedestal (100), locating piece (200) and multiple contacts (300), the multiple contact
(300) insertion is mounted on locating piece (200), and locating piece (200) is fixedly mounted in pedestal (100), it is characterised in that:
The locating piece (200) includes multiple perforative installation through slots (202), and setting enters in each installation through slot (202)
Notch it is monosymmetric not through limiting groove (204), be symmetrically arranged with positive stop lug boss on the side of contact (300) two sides
(309), the contact (300) is inserted into the installation through slot (202) and is interference fitted with installation through slot (202), and the limit is recessed
Slot (204) and the positive stop lug boss (309) limit cooperate；
The locating piece (200) is equipped with the first guide and limit mechanism, and in locating piece (200) two sides, the top of side plate is equipped with evagination
Locating piece link up with (206), the second guide and limit machine cooperated with the first guide and limit mechanism is equipped in the pedestal (100)
Structure is equipped with the base hook slot (117) with locating piece hook (206) cooperation on the side wall of the pedestal (100).
2. contact fixed structure according to claim 1, it is characterised in that: the contact (300) includes being equipped with contact
(313) contact blade (301), the contact blade (301) include sequentially connected contact portion (304), fixed part (305) and boss
The width in portion (306), contact portion (304) is less than fixed part (305), and the width of fixed part (305) is less than boss portion (306), convex
The two sides that platform portion (306) is wider than fixed part (305) form positive stop lug boss (309), the installation through slot of the locating piece (200)
(202) it is interference fitted with fixed part (305).
3. contact fixed structure according to claim 1, it is characterised in that: the contact (300) is at Z-shaped, including sets
There are the contact blades (301) of contact (313), lug plate (302) and is connected between contact blade (301) and lug plate (302)
Connection sheet (303), contact blade (301) and lug plate (302) are arranged in parallel, and connection sheet (303) is perpendicular to contact blade (301) and connects
Line piece (302), the positive stop lug boss (309) are arranged in the junction of contact blade (301) and connection sheet (303), in limit convex
Platform (309) is equipped with edge chamfer (310) close to the side of contact (313), is equipped with wiring boss in the end of lug plate (302)
(311)。
4. contact fixed structure according to claim 1, it is characterised in that: first guide and limit mechanism includes setting
It sets the guide and limit slot (201) in the middle part of locating piece (200) and is located at the side of locating piece (200) two sides fixed side arm (209)
On guide surface (205)；Second guide and limit mechanism includes the center pillar guiding rib (119) being arranged in pedestal (100)
And it is located at pedestal (100) two sides side wall upper side guiding rib (115), the side guide muscle (115) includes spaced
First side guiding rib and second side guiding rib；The fixation side arm (209) of locating piece (200) and first side guiding rib and the
The cooperation of two side faces guiding rib, guide and limit slot (201) and center pillar guiding rib (119) cooperate.
5. contact fixed structure according to claim 4, it is characterised in that: the locating piece (200) is equipped with two column peaces
It fills through slot (202), is equipped with fixed side arm (209) in the two sides of two column installations through slot (202), each column installation through slot (202) includes
Two installation through slots (202) are equipped with guide and limit slot (201) between two column installations through slot (202), in installation through slot (202)
Top two sides be additionally provided with contact (300) cooperation limit plate (203), installation through slot (202) top be located at limit
Snap-arms (208) are additionally provided between plate (203) and fixed side arm (209).
6. contact fixed structure according to claim 5, it is characterised in that: the section of the guide and limit slot (201) is
Convex shape；Groove chamfering (207) are equipped in the top and bottom of the limiting groove (204).
7. contact fixed structure according to claim 5, it is characterised in that: the limit plate (203) is used at step shape
In the connection sheet (303) for accommodating limit contact (300).
8. contact fixed structure according to claim 5, it is characterised in that: the snap-arms (208) at U-type groove structure,
And it is used for and fitting coils in the card slot that the two sides of U-type groove structure are equipped with recess.
9. contact fixed structure according to claim 4, it is characterised in that: the position in two column installation through slot (202)
In the first contact for being respectively provided with contact (313) on the installation through slot (202) of lower section and being located at top；Alternatively, in two column installation through slots
(202) the second contact that contact (313) is located at bottom is respectively provided on the installation through slot (202) being located above in；Alternatively, described
Contact is set on underlying installation through slot (202) in wherein column installation through slot (202) in two column installations through slot (202)
(313) it is located at first contact at top, touching is set on the installation through slot (202) being located above in another column installation through slot (202)
Point (313) is located at the second contact of bottom.
10. contact fixed structure according to claim 4, it is characterised in that: on the two sides side wall of pedestal (100) respectively
Equipped with side guide muscle (115) and base hook slot (117), portion is equipped with middle partition (118) in the base, middle partition (118) with
Pedestal contact pocket (103) are equipped between the two sides side wall of pedestal (100), center pillar guiding rib is equipped on middle partition (118)
(119)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821961961.9U CN209168960U (en) | 2018-11-23 | 2018-11-23 | Contact fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821961961.9U CN209168960U (en) | 2018-11-23 | 2018-11-23 | Contact fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209168960U true CN209168960U (en) | 2019-07-26 |
Family
ID=67340328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821961961.9U Active CN209168960U (en) | 2018-11-23 | 2018-11-23 | Contact fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209168960U (en) |
-
2018
- 2018-11-23 CN CN201821961961.9U patent/CN209168960U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |