CN221201621U - Terminal contact pin assembly and electronic pump - Google Patents
Terminal contact pin assembly and electronic pump Download PDFInfo
- Publication number
- CN221201621U CN221201621U CN202322947494.1U CN202322947494U CN221201621U CN 221201621 U CN221201621 U CN 221201621U CN 202322947494 U CN202322947494 U CN 202322947494U CN 221201621 U CN221201621 U CN 221201621U
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- China
- Prior art keywords
- terminal
- plastic
- terminal pin
- pin assembly
- section
- 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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Links
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 239000012778 molding material Substances 0.000 claims abstract description 10
- 239000006223 plastic coating Substances 0.000 claims description 20
- 210000005056 cell body Anatomy 0.000 claims 2
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 36
- 238000000465 moulding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- UNILWMWFPHPYOR-KXEYIPSPSA-M 1-[6-[2-[3-[3-[3-[2-[2-[3-[[2-[2-[[(2r)-1-[[2-[[(2r)-1-[3-[2-[2-[3-[[2-(2-amino-2-oxoethoxy)acetyl]amino]propoxy]ethoxy]ethoxy]propylamino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-[(2r)-2,3-di(hexadecanoyloxy)propyl]sulfanyl-1-oxopropan-2-yl Chemical compound O=C1C(SCCC(=O)NCCCOCCOCCOCCCNC(=O)COCC(=O)N[C@@H](CSC[C@@H](COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC)C(=O)NCC(=O)N[C@H](CO)C(=O)NCCCOCCOCCOCCCNC(=O)COCC(N)=O)CC(=O)N1CCNC(=O)CCCCCN\1C2=CC=C(S([O-])(=O)=O)C=C2CC/1=C/C=C/C=C/C1=[N+](CC)C2=CC=C(S([O-])(=O)=O)C=C2C1 UNILWMWFPHPYOR-KXEYIPSPSA-M 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- SZUVGFMDDVSKSI-WIFOCOSTSA-N (1s,2s,3s,5r)-1-(carboxymethyl)-3,5-bis[(4-phenoxyphenyl)methyl-propylcarbamoyl]cyclopentane-1,2-dicarboxylic acid Chemical compound O=C([C@@H]1[C@@H]([C@](CC(O)=O)([C@H](C(=O)N(CCC)CC=2C=CC(OC=3C=CC=CC=3)=CC=2)C1)C(O)=O)C(O)=O)N(CCC)CC(C=C1)=CC=C1OC1=CC=CC=C1 SZUVGFMDDVSKSI-WIFOCOSTSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KGNDCEVUMONOKF-UGPLYTSKSA-N benzyl n-[(2r)-1-[(2s,4r)-2-[[(2s)-6-amino-1-(1,3-benzoxazol-2-yl)-1,1-dihydroxyhexan-2-yl]carbamoyl]-4-[(4-methylphenyl)methoxy]pyrrolidin-1-yl]-1-oxo-4-phenylbutan-2-yl]carbamate Chemical compound C1=CC(C)=CC=C1CO[C@H]1CN(C(=O)[C@@H](CCC=2C=CC=CC=2)NC(=O)OCC=2C=CC=CC=2)[C@H](C(=O)N[C@@H](CCCCN)C(O)(O)C=2OC3=CC=CC=C3N=2)C1 KGNDCEVUMONOKF-UGPLYTSKSA-N 0.000 description 1
- 229940126543 compound 14 Drugs 0.000 description 1
- 229940125833 compound 23 Drugs 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of pump bodies and discloses a terminal pin assembly and an electronic pump; the terminal pin assembly comprises a terminal plastic package and a terminal pin, wherein the terminal pin is fixed in the terminal plastic package through a first injection molding material, a first groove body is formed in the outer wall of the terminal plastic package, and the first groove body is used for injecting the injection molding material so as to enable the terminal pin assembly to be connected with a shell of an electronic pump; the electronic pump comprises the terminal pin assembly and further comprises a shell, wherein a seat for installing the terminal pin assembly is arranged on the shell, the terminal pin of the terminal pin assembly extends into the shell, and a material injection hole for injecting third injection molding material into the first groove body is formed in the shell. According to the terminal pin assembly terminal, the special sealing structure is designed at the pin, so that the problem of air leakage at the terminal pin is fully solved, the connection mode of the terminal pin assembly and the electronic pump shell is improved, and the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of pump bodies, in particular to a terminal pin assembly and an electronic pump.
Background
The current electronic water pump of using on the car adopts terminal contact pin subassembly to insert the electronic water pump with the signal of telecommunication generally, i.e. terminal contact pin subassembly collection is on the casing of electronic pump, makes terminal contact pin on the terminal contact pin subassembly introduce in the casing, but current terminal contact pin subassembly and the electronic water pump of using on electronic water pump all have some defects:
1. The existing terminal pin assembly has the structure that the terminal pin assembly is formed by terminal plastic coating, terminal pins and injection molding materials for injecting the terminal pins into the terminal plastic coating, the terminal pin assembly does not have an air leakage prevention function, and after the terminal pin assembly is injection molded, water vapor can enter the electronic water pump from a gap between the injection molding materials and the terminal plastic coating, so that the performance and the service life of the electronic water pump are greatly influenced;
2. The existing electronic water pump is characterized in that terminal pin assemblies are assembled on a shell through screws, and sealing rings are further required to be arranged between the terminal pin assemblies and the shell to achieve waterproof performance, so that manufacturing cost of the electronic water pump is required to be reduced.
Based on the above, the present application provides a terminal pin assembly and an electronic pump for solving the problems in the prior art.
Disclosure of utility model
The present utility model is directed to a terminal pin assembly and an electronic pump, which solve the above-mentioned problems.
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model provides a terminal contact pin subassembly, its is including terminal package mould and terminal contact pin, terminal package mould be used for with the casing fixed connection of electronic water pump, terminal contact pin extends to the inside and outside of the casing of electronic water pump for introduce the signal of telecommunication in the casing, specific terminal contact pin is fixed in the terminal package mould through first injection molding material.
Preferably, in order to eliminate the mode that the terminal pin assembly and the casing are fixed by screws in the traditional electronic water pump, the scheme proposes to finish the fixing and sealing operation of the terminal pin assembly and the casing by means of pouring after assembly, specifically, a first groove body is formed in the outer wall of the terminal plastic coating, and injection molding materials are injected into the first groove body to enable the terminal pin assembly to be connected with the casing of the electronic pump, so that the use of screws and sealing rings is avoided.
Preferably, in order to avoid steam entering the electronic water pump through the gap between the first plastic injection and the terminal plastic coating, the scheme proposes that one end of the electronic water pump is to be placed in the terminal pin assembly, the terminal plastic coating is sunken in the terminal pin assembly, the terminal plastic coating is provided with a second groove body, so that the terminal pin and the edge side of the first plastic injection are exposed in the second groove body, the second plastic injection is filled in the second groove body, the second plastic injection is preferably used for sealing the terminal pin assembly placed in one end of the electronic water pump, namely, the gap between the first plastic injection and the terminal plastic coating at the end is sealed, steam is prevented from entering, and the performance and the service life of the terminal pin assembly and the electronic water pump are further improved.
In order to solve the technical problems, the utility model also provides the following technical scheme:
An electronic pump comprises the terminal pin assembly and a casing, wherein a seat for installing the terminal pin assembly is arranged on the casing, so that terminal pins of the terminal pin assembly extend into the casing.
Preferably, in order to discard the mode that the terminal pin assembly and the casing are fixed by the screw in the traditional electronic water pump, the casing is matched with the terminal pin assembly and is provided with a material injection hole for injecting third injection material into the first groove body, one end of the glue injection hole extends out of the casing, the other end of the glue injection hole extends into the seat and corresponds to the first groove body, and after the terminal pin assembly is assembled on the casing, the third injection material is injected into the first groove body through the material injection hole, so that the connection between the casing and the terminal pin assembly is completed.
Preferably, the first groove body may be specifically set as: the first grooves are distributed on the outer wall of the terminal plastic coating, and the corresponding material injection holes are also in one-to-one correspondence with the first grooves; or the first groove body is an annular groove, and a plurality of corresponding material injection holes are formed for uniform pouring; or the first groove body is an annular toothed groove, a plurality of corresponding material injection holes are formed for casting uniformity, and the toothed groove can preferably increase the bonding strength of the shell and the terminal pin assembly.
Preferably, the seat comprises a first seat section and a second seat section, and a step surface is formed at the joint of the first seat section and the second seat section; the terminal plastic-covered comprises a first plastic-covered section correspondingly matched with the first seat section and a second plastic-covered section correspondingly matched with the second seat section, a first stop surface corresponding to the step surface is formed at the joint of the first plastic-covered section and the second plastic-covered section, and the step surface and the first stop surface are applied to ensure the assembly precision of the shell and the terminal pin assembly.
Preferably, the terminal plastic coating further comprises a third plastic coating section, and a second stop surface corresponding to the end surface of the seat is formed at the joint of the third plastic coating section and the second plastic coating section, so that the assembly precision of the shell and the terminal pin assembly is preferably ensured.
Compared with the prior art, the utility model has the following beneficial effects: according to the terminal pin assembly and the electronic pump disclosed by the utility model, firstly, a special sealing structure is designed at the terminal pin, so that external air cannot leak from the terminal pin, the problem of air leakage at the terminal pin is fully improved, and the risk of water pump failure caused by the air leakage prevention structure of the terminal pin assembly is remarkably reduced; and secondly, the connection mode of the terminal pin assembly and the electronic pump shell is improved to be integral injection molding, so that the manufacturing cost of the electronic water pump is effectively reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a plan view of an electronic water pump in embodiment 1 or embodiment 2 of the present utility model;
FIG. 2 is a cross-sectional view of the electronic water pump at A-A in example 1 or example 2 of the present utility model;
FIG. 3 is a cross-sectional view of the electronic water pump at B-B in example 1 or example 2 of the present utility model;
In the figure:
A terminal pin assembly 1;
The terminal plastic-coated part comprises a terminal plastic-coated part 11, a first groove body 111, a second groove body 112, a first plastic-coated part 113, a second plastic-coated part 114, a first stop surface 115, a third plastic-coated part 116 and a second stop surface 117;
a terminal pin 12;
a first molding compound 13;
a second molding compound 14;
A housing 2;
A seat 21, a first seat section 211, a second seat section 212, a step surface 213, an end surface 214 of the seat;
a filling hole 22;
And a third molding compound 23.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: this embodiment 1 is provided as a preferred embodiment of the terminal pin assembly 1, and this embodiment 1 will be described by taking an example of application thereof in an electronic water pump.
Specifically, as shown in fig. 1 to 3, a terminal pin assembly 1 includes a terminal molding 11 and a terminal pin 12, the terminal molding 11 is used for fixedly connecting with a housing 2 of an electronic water pump, the terminal pin 12 extends into and out of the housing 2 of the electronic water pump for introducing an electrical signal into the housing 2, and specifically, the terminal pin 12 is fixed in the terminal molding 11 through a first molding compound 13.
Furthermore, in order to eliminate the mode that the terminal pin assembly 1 and the casing 2 in the traditional electronic water pump are fixed by screws, the scheme proposes to finish the fixing and sealing operation of the terminal pin assembly 1 and the casing 2 by means of pouring after assembly, specifically, a first groove body 111 is formed in the outer wall of the terminal plastic coated 11, and injection molding materials are injected into the first groove body 111 to enable the terminal pin assembly 1 to be connected with the casing 2 of the electronic water pump, so that the use of screws and sealing rings is avoided.
Further, in order to avoid that water vapor enters the electronic water pump through the gap between the first plastic injection 13 and the terminal plastic injection 11, the scheme proposes that one end of the electronic water pump is to be placed in the terminal pin assembly 1, the terminal plastic injection 11 is sunken in the terminal plastic injection 11, the edge sides of the terminal pin 12 and the first plastic injection 13 are exposed in the second groove 112, the second plastic injection 14 is filled in the second groove 112, the terminal pin assembly 1 placed in one end of the electronic water pump is further sealed by the second plastic injection 14, namely, the gap between the first plastic injection 13 and the terminal plastic injection 11 at the end is sealed, water vapor is prevented from entering, and the performance and the service life of the terminal pin assembly 1 and the electronic water pump are further improved.
Example 2: this example 2 provides a preferred embodiment of an electronic pump, and in particular, an electronic water pump.
Referring to fig. 1 to 3, an electronic water pump includes a terminal pin assembly 1 of embodiment 1, and further includes a housing 2, wherein a seat 21 for mounting the terminal pin assembly 1 is provided on the housing 2, so that a terminal pin 12 of the terminal pin assembly 1 extends into the housing 2.
Further, in order to eliminate the mode that the terminal pin assembly 1 and the casing 2 in the conventional electronic water pump are fixed by screws, the casing 2 is matched with a material injection hole 22 formed in the terminal pin assembly 1 and used for injecting a third plastic injection material 23 into the first groove body 111, one end of the plastic injection hole extends out of the casing 2, the other end of the plastic injection hole extends into the seat 21 and corresponds to the first groove body 111, after the terminal pin assembly 1 is assembled in the casing 2, the third plastic injection material 23 is injected into the first groove body 111 through the material injection hole 22, and connection between the casing 2 and the terminal pin assembly 1 is completed.
Further, the first groove 111 is an annular groove, and there are a plurality of corresponding injection holes 22 for uniform casting.
Further, the seat 21 includes a first seat section 211 and a second seat section 212, and a step surface 213 is formed at the joint of the first seat section 211 and the second seat section 212; the terminal plastic 11 includes a first plastic-coated section 113 correspondingly matched with the first seat section 211 and a second plastic-coated section 114 correspondingly matched with the second seat section 212, a first stop surface 115 corresponding to the step surface 213 is formed at the joint of the first plastic-coated section 113 and the second plastic-coated section 114, and the step surface 213 and the first stop surface 115 are correspondingly used for ensuring the assembly precision of the housing 2 and the terminal pin assembly 1.
Further, the terminal plastic coating 11 further includes a third plastic coating section 116, and a second stop surface 117 corresponding to the end surface 214 of the seat is formed at the joint of the third plastic coating section 116 and the second plastic coating section 114, so as to further ensure the assembly precision of the housing 2 and the terminal pin assembly 1.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a terminal contact pin subassembly, its characterized in that is including terminal package plastic and terminal contact pin, the terminal contact pin is fixed in through first injection molding material in the terminal package is moulded, set up first cell body on the outer wall of terminal package is moulded, be used for injecting into the injection molding material in the first cell body so that terminal contact pin subassembly is connected with the casing of electronic pump.
2. A terminal pin assembly according to claim 1, wherein: and one end of the terminal pin assembly to be placed in the electronic pump is recessed in the terminal plastic coating, and a second groove body is formed in the terminal plastic coating, so that the edge sides of the terminal pin and the first plastic injection are exposed in the second groove body, and the second groove body is filled with the second plastic injection.
3. An electronic pump, characterized in that the electronic pump comprises the terminal pin assembly of claim 1 or 2, and further comprises a casing, wherein a seat for installing the terminal pin assembly is arranged on the casing, so that the terminal pin of the terminal pin assembly extends into the casing, and a material injection hole for injecting a third injection material into the first groove is arranged on the casing.
4. An electronic pump according to claim 3, wherein:
The first groove bodies are distributed on the outer wall of the terminal plastic coating;
Or, the first groove body is an annular groove;
or, the first groove body is an annular tooth-shaped groove.
5. An electronic pump according to claim 3 or 4, characterized in that:
The seat comprises a first seat section and a second seat section, and a step surface is formed at the joint of the first seat section and the second seat section;
The terminal plastic-coated comprises a first plastic-coated section correspondingly matched with the first seat section and a second plastic-coated section correspondingly matched with the second seat section, and a first stop surface corresponding to the step surface is formed at the joint of the first plastic-coated section and the second plastic-coated section.
6. An electronic pump according to claim 5, wherein: the terminal plastic-coated part also comprises a third plastic-coated section, and a second stop surface corresponding to the end surface of the seat is formed at the joint of the third plastic-coated section and the second plastic-coated section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322947494.1U CN221201621U (en) | 2023-11-01 | 2023-11-01 | Terminal contact pin assembly and electronic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322947494.1U CN221201621U (en) | 2023-11-01 | 2023-11-01 | Terminal contact pin assembly and electronic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221201621U true CN221201621U (en) | 2024-06-21 |
Family
ID=91521932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322947494.1U Active CN221201621U (en) | 2023-11-01 | 2023-11-01 | Terminal contact pin assembly and electronic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221201621U (en) |
-
2023
- 2023-11-01 CN CN202322947494.1U patent/CN221201621U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |