CN214673142U

CN214673142U - Waterproof connecting needle seat

Info

Publication number: CN214673142U
Application number: CN202120437570.2U
Authority: CN
Inventors: 陈锡通; 陆顺喜; 赵盛孟; 何志煌; 周旭荷
Original assignee: Zhejiang Tong Sheng Electronics Co ltd
Current assignee: Zhejiang Tong Sheng Electronics Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-11-09
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses a waterproof connecting needle seat, which comprises an injection molding piece body, a preset block and PIN needles, wherein the preset block is provided with needle holes which are vertically penetrated and through for the corresponding PIN needles to pass through, at least two rows of PIN needles and needle holes are arranged, the injection molding piece body comprises a base surface, and the end hole is used for inserting an external plug, the position between two adjacent rows of needle holes on the preset block is at least provided with a group of limiting structures, each group of limiting structures comprises a first positioning column positioned on the upper surface of the preset block, a second positioning column positioned on the lower surface of the preset block and a strip-shaped groove penetrating through the upper surface and the lower surface of the preset block, the upper surface of the first positioning column is flush with one side of the base surface, which is connected with the end hole, the lower surface of the second positioning column is flush with one side, which is opposite to the end hole, of the base surface, and the center of the distance between the symmetrical center of the strip-shaped groove and the two adjacent rows of needle holes is positioned on the same straight line. The utility model discloses rational in infrastructure, the protection primary structure as far as does not receive the foreign matter to infect, has good water-proof effects.

Description

Waterproof connecting needle seat

Technical Field

The utility model relates to an electronic connector field, in particular to waterproof connecting needle seat.

Background

Connector wafers are devices that connect two active devices for the transmission of electrical current or signals. The connection needle file is that people are in production or life process, an indispensable device, many waterproof connection needle files in addition on the market now, mainly by the base, PIN needle and preset piece constitute, assemble PIN needle and preset piece earlier, again with its and injection molding, because partial injection molding is thinner with the wall thickness of preset piece, at the in-process of moulding plastics, preset the piece and have the condition of one side atress, thereby lead to it to take place certain deformation, when serious, can make preset piece expose outside the base, the water-proof effects of connection needle file is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a waterproof connection needle file that has good water-proof effects after injection moulding.

In order to achieve the above purpose, the utility model provides a following technical scheme: a waterproof connection needle seat comprises an injection molding part body, a preset block and a PIN needle, wherein the preset block is provided with needle holes which penetrate through the preset block up and down and are used for the corresponding PIN needle to penetrate through, at least two rows of PIN needles and needle holes are arranged on the preset block, the injection molding part body comprises a base surface and end holes, the base surface is a rectangular panel which extends outwards from the vertical wall surface of the preset block, the end holes are rectangular cavities which extend upwards from the base surface, the end holes are used for inserting external plugs, at least one group of limiting structures are arranged at positions between two adjacent rows of needle holes on the preset block, each group of limiting structures comprises a first positioning column positioned on the upper surface of the preset block, a second positioning column positioned on the lower surface of the preset block and a strip-shaped groove which penetrates through the upper surface and the lower surface of the preset block, the upper surface of the first positioning column is flush with one side of the base surface, which is connected with the end holes, the lower surface of the second positioning column is flush with one side, back to the end hole, of the base surface, and the symmetric center of the strip-shaped groove and the center of the distance between two adjacent rows of needle holes are located on the same straight line.

The technical scheme has the advantages that: the arrangement of the base surface can protect the PIN needle and prevent dust, sewage and the like from being attached to the PIN needle, the arrangement of the first positioning column on the upper surface of the preset block and the second positioning column on the lower surface of the preset block can reduce the overall thickness of the preset block and reduce the forming cost of the preset block, simultaneously achieve the aim of preventing the preset block from moving up and down in the injection molding process of the connecting needle base, further enhance the connecting strength between the preset block and the injection molding part body, and ensure that the injection molding pressure generated in the injection molding process passes through the strip-shaped groove, thereby ensuring the pressure balance of two sides of the preset block during injection molding, so the arrangement of the first positioning column, the second positioning column and the strip-shaped groove ensures that the preset block is not exposed out of the base surface, the overall positioning effect of the preset block is good, the center of the distance between the symmetrical center of the strip-shaped groove and two adjacent rows of needle holes is positioned on the same straight line, and the wall thickness of the needle holes is uniform, when PIN needle and preset piece cartridge, can not lead to preset the piece and break, rational in infrastructure, therefore the connection needle seat after injection moulding has good waterproof function.

Furthermore, the preset block is also provided with a concave part at the position between two adjacent rows of the pinholes, and the centers of the distances between the concave part and the two adjacent rows of the pinholes are positioned on the same straight line.

The technical scheme has the advantages that: the center of the distance between the concave part and two adjacent rows of needle holes is positioned on the same straight line, the arrangement of the structure ensures the stability of the insertion of the PIN needle and the preset block, and meanwhile, the arrangement of the concave part further strengthens the connection strength of the injection molding part body and the preset block.

Further, the depressed part includes the first depressed part that is located preset on the piece upper surface, and with first depressed part sets up relatively and is located preset second depressed part on the piece lower surface, the degree of depth of first depressed part with the degree of depth of second depressed part is unanimous.

The technical scheme has the advantages that: the setting of first depressed part and second depressed part is strengthened still when having guaranteed injection moulding with the joint strength of injection molding body the injection moulding pressure that preset piece upper and lower surface received unanimously, and is rational in infrastructure, still reduces required cost when presetting the piece shaping to a certain extent.

Further, the number of the first depressed parts and the number of the second depressed parts correspond to the number of the strip-shaped grooves, and the strip-shaped grooves are communicated with the first depressed parts and the second depressed parts.

The technical scheme has the advantages that: the bar groove corresponds the setting with the depressed part, and is rational in infrastructure, has guaranteed to preset a bulk strength for preset the piece in with the injection molding process stability of injection molding body high, the water-proof effects of waterproof connection needle file is good.

Further, the PIN needle includes PIN needle body and joint portion, the width of joint portion is greater than the width of PIN needle body, just the width of PIN needle body is not less than the internal diameter of pinhole.

The technical scheme has the advantages that: after PIN needle and preset piece cartridge, PIN needle position is difficult for removing, has improved the connection stability of connection needle file and panel or plug, and the width of PIN needle body is not less than the internal diameter of pinhole, consequently can effectively prevent to form the clearance and influence the emergence of connection needle file water-proof effects phenomenon between injection molding body and the PIN needle at the in-process of moulding plastics.

Further, joint portion includes first joint portion and second joint portion, the width of first joint portion is not less than the width of second joint portion, first joint portion with still be equipped with the portion of inserting between the second joint portion, the length of portion of inserting with the length of pinhole is unanimous.

The technical scheme has the advantages that: when the PIN needle is inserted into the preset block, the preset block is clamped between the first clamping part and the second clamping part, namely the insertion part, thereby forming a good fixing effect, facilitating the subsequent integral molding of an injection molding piece, limiting and improving the connection stability of the connecting needle seat and the panel or the plug,

furthermore, one side, far away from the end hole, of the base surface is further provided with a limiting column for preventing the PIN needle from being excessively stressed in the connection process of the PIN needle and the panel.

The technical scheme has the advantages that: the limiting column can effectively prevent the occurrence of the condition of excessive stress in the process of connecting the limiting column with the panel, so that the connecting needle seat is safer to use.

Furthermore, the outer side wall of the end hole is provided with a locking piece, a locking opening is formed in the side face of the locking piece, and the locking piece and a locking piece on the external plug form a locking structure through the locking opening.

The technical scheme has the advantages that: the connection between the external plug and the end hole is more stable, and the using effect of the connecting needle base is good.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

FIG. 2 is an assembly diagram of the PIN needle and the preset block of the present invention;

FIG. 3 is a sectional view of the preset block structure of the present invention;

FIG. 4 is a PIN structure diagram of the present invention;

FIG. 5 is a structural view of the injection molded part body of the present invention;

fig. 6 is another view of the injection molding body structure of the present invention.

In the figure: 1-an injection molding part body, 2-a preset block, 21-a needle hole, 22-a first positioning column, 23-a second positioning column, 24-a strip-shaped groove, 25-a recessed part, 251-a first recessed part, 252-a second recessed part, 3-a PIN needle, 31-a PIN needle body, 32-a clamping part, 3-a PIN needle, 5-a support leg, 6-an annular flange, 7-a mounting groove, 8-a limiting column, 9-a positioning leg, 10-an annular groove and 11-an I-shaped structure.

Detailed Description

In order to more clearly illustrate embodiments and/or technical solutions in the prior art, embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. The term "orientation" merely means a relative positional relationship between the respective members, and does not mean an absolute positional relationship.

Referring to fig. 1-4, a waterproof connection needle seat comprises an injection molding part body 1, a preset block 2 and PIN needles 3, PIN holes 21 which are penetrated through the preset block 2 up and down and are used for corresponding PIN needles 3 to penetrate through are arranged on the preset block 2, at least two rows of PIN needles 3 and PIN holes 21 are arranged on the PIN needles 3, the injection molding part body 1 comprises a base surface 11 and end holes 12, the base surface 11 is a rectangular panel extending outwards from the vertical wall surface of the preset block 2, the base surface 11 is arranged to protect the PIN needles 3 and prevent dust, sewage and the like from attaching to the PIN needles 3, the end holes 12 are rectangular cavities extending upwards from the base surface 11, the end holes 12 are used for inserting external plugs, at least one group of limiting structures is arranged at the position between two adjacent rows of PIN holes 21 on the preset block 2, each group of limiting structures comprises a first positioning column 22 located on the upper surface of the preset block 2 and a second positioning column 23 located on the lower surface of the preset block 2, And the strip-shaped groove 24 penetrates through the upper surface and the lower surface of the preset block 2, the upper surface of the first positioning column 22 is flush with one side, connected with the end hole 12, of the base surface 11, the lower surface of the second positioning column 23 is flush with one side, back to the end hole 12, of the base surface 11, and the center of the distance between the symmetrical center of the strip-shaped groove 24 and the centers of the distances between the two adjacent rows of pin holes 21 are located on the same straight line.

In the injection molding process, the PIN needle 3 and the preset block 2 are assembled firstly, then the assembled PIN needle 3 and the assembled preset block 2 are placed in a mold for injection molding, therefore, the first positioning column 22 is arranged on the upper surface of the preset block 2, the second positioning column 23 is arranged on the lower surface of the preset block 2, the cost of the preset block 2 of the overall thickness locking piece of the preset block 2 is reduced, the purpose of preventing the preset block 2 from moving up and down in the injection molding process of the connecting needle base is achieved, the connecting strength of the preset block 2 and the injection molding part body 1 is enhanced, the strip-shaped groove 24 is arranged, so that the injection molding pressure in the injection molding process passes through the strip-shaped groove 24, the pressure balance of two sides of the preset block 2 is ensured during injection molding, therefore, the first positioning column 22, the second positioning column 23 and the strip-shaped groove 24 are arranged, the preset block 2 is not exposed out of the base surface 11, the overall positioning effect of the preset block 2 is good, and the symmetric center of the strip-shaped groove 24 and the center of the distance between two adjacent rows of needle holes 21 are positioned on the same straight line, the wall thickness of the needle holes 21 is uniform, when the PIN needle 3 is inserted into the preset block 2, the preset block 2 cannot be broken, and the preset block 2 is reasonable in structure, so that the connecting needle seat after injection molding has a good waterproof function.

In this embodiment, the preset block 2 is further provided with a recessed portion 25 at a position between two adjacent rows of PIN holes 21, centers of distances between the recessed portion 25 and the two adjacent rows of PIN holes 21 are located on the same straight line, the arrangement of the structure ensures the stability of the insertion of the PIN 3 and the preset block 2, and meanwhile, the recessed portion 25 further enhances the connection strength between the injection molding body 1 and the preset block 2, more specifically, the recessed portion 25 comprises a first recessed portion 251 located on the upper surface of the preset block 2 and a second recessed portion 252 arranged opposite to the first recessed portion 251 and located on the lower surface of the preset block 2, and the depth of the first recessed portion 251 is consistent with that of the second recessed portion 252, so that it is ensured that injection molding pressures on the upper and lower surfaces of the preset block 2 during injection molding are consistent, the structure is reasonable, and the required cost of the preset block 2 during molding is reduced to a certain extent.

In this embodiment, the quantity of first depressed part 251 and second depressed part 252 corresponds the setting with the quantity of bar groove 24, and bar groove 24 communicates first depressed part 251 and second depressed part 252, and is rational in infrastructure, has guaranteed preset 2 bulk strength for preset 2 stability is high when moulding plastics with injection molding body 1, and waterproof connection needle file water-proof effects is good.

In this embodiment, PIN needle 3 includes PIN needle body 31, and joint portion 32, the width of joint portion 32 is greater than the width of PIN needle body 31, and the width of PIN needle body 31 is not less than the internal diameter of pinhole 21, this structure makes PIN needle 3 and preset 2 cartridge backs, 3 difficult removals in position of PIN needle, the stability of being connected of connection needle file and panel or plug has been improved, and the internal diameter of pinhole 21 is not more than the width of PIN needle body 31, consequently, can effectively prevent moulding plastics the in-process, form the clearance between injection molding body 1 and the PIN needle 3 and influence the emergence of connection needle file water-proof effects phenomenon.

In this embodiment, joint portion 32 includes first joint portion 321, and second joint portion 322, the width of first joint portion 321 is not less than the width of second joint portion 322, still be equipped with inserting portion 323 between first joint portion 321 and the second joint portion 322, the length of inserting portion 323 is unanimous with the length of pinhole 21, PIN needle 3 is when inserting preset block 2, preset block 2 can be blocked between first joint portion 321 and second joint portion 322, also be exactly inserting portion 323 department, thereby form good fixed effect, be convenient for follow-up in the integrated into one piece of injection molding, and the connection stability of connecting needle file and panel or plug has been improved.

In this embodiment, PIN 3 from top to bottom cartridge is on presetting piece 2, consequently for the convenience of cartridge, the cross section of second joint portion 322 is triangle-shaped and the width will be less than the width of first joint portion 321, and the cross section of first joint portion 321 is the rectangle to improve spacing effect.

In this embodiment, base surface 11 keeps away from end hole 12 one side still is equipped with the spacing post 13 that prevents excessive atress in PIN needle 3 and the panel connection process, and the setting of spacing post 13 can prevent effectively that the condition of excessive atress from taking place in PIN needle 3 and the panel connection process for the use of connecting the needle file is safer.

In this embodiment, the outer sidewall of the end hole 12 is provided with a locking piece 14, a locking notch 141 is formed on the side surface of the locking piece 14, and the locking piece 14 forms a locking structure with a locking piece on the external plug through the locking notch 141, so that the connection between the external plug and the end hole 12 is more stable, and the using effect of the connection needle base is good.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a waterproof connection needle file, includes injection molding body (1), presets piece (2) and PIN needle (3), it is corresponding to preset the confession that runs through from top to bottom on piece (2) pinhole (21) that PIN needle (3) passed, PIN needle (3) with pinhole (21) all are equipped with two rows at least, injection molding body (1) is including base surface (11) and end opening (12), base surface (11) are for certainly the outside rectangle panel that extends of vertical wall of preset piece (2), end opening (12) are for certainly the rectangle cavity that base surface (11) upwards extended, end opening (12) are used for cartridge external plug, its characterized in that: it is adjacent two rows to preset block (2) last position department between pinhole (21) still is equipped with a set of limit structure at least, every group limit structure all is including being located preset first reference column (22) on block (2) upper surface, being located preset second reference column (23) on block (2) lower surface and run through preset bar groove (24) of block (2) upper and lower surface, the upper surface of first reference column (22) with one side that basic surface (11) are connected with end hole (12) flushes mutually, the lower surface of second reference column (23) with basic surface (11) dorsad one side of end hole (12) flushes mutually, the symmetry center and adjacent two rows of bar groove (24) the center of distance is located same straight line between pinhole (21).

2. The waterproof connecting needle holder according to claim 1, wherein a concave part (25) is further arranged at a position, between two adjacent rows of needle holes (21), of the preset block (2), and centers of distances between the concave part (25) and the two adjacent rows of needle holes (21) are located on the same straight line.

3. The waterproof connection needle holder according to claim 2, wherein the recess (25) comprises a first recess (251) located on the upper surface of the preset block (2) and a second recess (252) arranged opposite to the first recess (251) and located on the lower surface of the preset block (2), and the depth of the first recess (251) is consistent with that of the second recess (252).

4. The waterproof connection needle seat according to claim 3, characterized in that the number of the first concave part (251) and the second concave part (252) is corresponding to the number of the strip-shaped groove (24), and the strip-shaped groove (24) is communicated with the first concave part (251) and the second concave part (252).

5. The waterproof connection needle seat is characterized in that the PIN needle (3) comprises a PIN needle body (31) and a clamping portion (32), the width of the clamping portion (32) is larger than that of the PIN needle body (31), and the width of the PIN needle body (31) is not smaller than the inner diameter of the needle hole (21).

6. The waterproof connecting needle base according to claim 5, wherein the clamping portion (32) comprises a first clamping portion (321) and a second clamping portion (322), the width of the first clamping portion (321) is not smaller than that of the second clamping portion (322), an inserting portion (323) is further arranged between the first clamping portion (321) and the second clamping portion (322), and the length of the inserting portion (323) is consistent with that of the needle hole (21).

7. The waterproof connection needle holder according to claim 6, characterized in that a limiting column (13) for preventing the PIN needle (3) from being excessively stressed in the connection process with the panel is further arranged on one side of the base surface (11) far away from the end hole (12).

8. The waterproof connecting needle seat according to claim 1, wherein a locking piece (14) is arranged on the outer side wall of the end hole (12), a locking notch (141) is formed on the side surface of the locking piece (14), and the locking piece (14) forms a locking structure with a locking piece on an external plug through the locking notch (141).