CN221270271U - Special device for press fitting of plunger spring of electric control unit pump - Google Patents
Special device for press fitting of plunger spring of electric control unit pump Download PDFInfo
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- CN221270271U CN221270271U CN202323092385.2U CN202323092385U CN221270271U CN 221270271 U CN221270271 U CN 221270271U CN 202323092385 U CN202323092385 U CN 202323092385U CN 221270271 U CN221270271 U CN 221270271U
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- groove
- plunger spring
- plunger
- control unit
- electric control
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- 238000003825 pressing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a special device for press fitting of an electric control unit pump plunger spring, which comprises a limiting block, an inserting sheet and a support, wherein the limiting block, the inserting sheet and the support are sequentially connected and fixed from top to bottom, the limiting block is provided with a limiting groove with a forward opening, the inserting sheet is provided with a avoiding groove with a forward opening, the support is provided with a mounting groove with a forward opening, the limiting groove, the avoiding groove and the mounting groove are all vertically arranged and are communicated and are of a U-shaped groove structure, the width of the limiting groove corresponds to the diameter of an outer ring of the plunger spring, the width of the avoiding groove corresponds to the diameter of an inner ring of the plunger spring, and the space of the mounting groove is larger than that of a lower seat disk of the spring. The utility model has simple structure, stably supports the plunger of the electric control unit pump, is convenient for the installation and the disassembly of the lower seat disk of the spring, and realizes the press fitting and the disassembly of the plunger spring of the electric control unit pump.
Description
Technical Field
The utility model belongs to the technical field of production of electric control unit pumps, and particularly relates to a special device for press fitting of a plunger spring of an electric control unit pump.
Background
The structure of the electric control unit pump is shown in fig. 1, and the electric control unit pump consists of a pump body 4, a plunger, a valve core, an electromagnet, an armature, a plunger spring 3, a spring lower seat disk and other parts, wherein the structural relation among the plunger 9, the plunger spring 3 and the spring lower seat disk 8 is shown in fig. 2, when the plunger spring 3 and the electric control unit pump are assembled, the plunger spring 3 is required to be compressed to be higher than the tail part of the plunger 9, the spring lower seat disk 8 is arranged on the plunger 9 to limit, and then the plunger spring 3 is placed in a free state and is contacted with the spring lower seat disk 8.
At present, the installation of the plunger spring 3 is completed manually, the plunger spring 3 is firstly installed on the plunger 9, then the plunger spring 3 is compressed to expose the tail of the plunger 9, and then the spring lower seat disk 8 is installed on the plunger 9. In the operation process, as the compression force of the plunger spring is overlarge, the assembly difficulty is high, the assembly efficiency is low, the electric control unit pump is not easy to fix during assembly, the assembly precision is affected, and the performance stability and the working reliability of the electric control unit pump are further affected. And the assembly is very difficult to disassemble and decompose, and the plunger spring and the spring lower seat disc are easy to damage.
Disclosure of utility model
In view of the above, the utility model aims to provide a special device for press fitting of an electric control unit pump plunger spring, so as to facilitate assembling and disassembling of the plunger spring and improve the operation convenience of operators.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
The utility model provides an automatically controlled monoblock pump plunger spring pressure equipment isolated plant, includes from top to bottom connects fixed stopper, inserted sheet and support in order, the stopper is equipped with opening spacing groove forward, the inserted sheet is equipped with opening and dodges the groove forward, the support is equipped with opening mounting groove forward, spacing groove, dodge groove and mounting groove all vertical setting, be linked together and all be U type groove structure, wherein spacing groove width and plunger spring outer lane diameter size correspond, dodge groove width and plunger spring inner circle diameter size correspond, mounting groove space size is greater than spring lower seat pan.
Further, the opening of the avoidance groove is of a horn mouth structure.
Furthermore, triangular inserting parts are arranged at the two ends of the opening of the avoidance groove in a forward extending mode, and the thickness of the triangular inserting parts is gradually reduced from the bottom to the top.
Furthermore, the bottom surface of the triangular inserting part is an inclined surface, and the top surface of the triangular inserting part is flush with the top surface of the inserting piece.
Compared with the prior art, the special device for pressing the plunger spring of the electric control unit pump has the following advantages:
The utility model has simple structure, low processing cost and convenient operation and use, the limit groove and the insert are used for stably supporting the plunger of the electric control unit pump, the operation stability is improved, the operation difficulty of operators is reduced, the performance stability and the working reliability of the electric control unit pump are ensured, the insert is used for limiting the downward movement of the spring when the pump body is pressed down, the plunger is axially moved relative to the plunger spring, so that the installation and the disassembly of the lower seat disk of the spring are convenient, and the press mounting and the disassembly of the plunger spring of the electric control unit pump are realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic perspective view of an electronically controlled unit pump;
FIG. 2 is a diagram of the assembly of the plunger and the undershot plate of the electric control unit pump;
fig. 3 is a schematic diagram of a device special for press-fitting of a plunger spring of an electric control unit pump according to the embodiment;
Fig. 4 is a schematic view of a three-dimensional structure of an insert in the present embodiment;
fig. 5 is a schematic view of the bottom structure of the insert in this embodiment.
Reference numerals illustrate:
1-a supporting plate; 2-a base; 3-a plunger spring; 4-a pump body; 5-inserting sheets; 51-avoiding grooves; 52-a triangular plug-in portion; 511-flare structure; 6-limiting blocks; 61-a limit groove; 7-supporting seats; 71-mounting grooves; 8-a spring lower tray; 9-plunger.
Detailed Description
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The utility model provides an automatically controlled monoblock pump plunger spring pressure equipment isolated plant, as shown in fig. 3, includes from top to bottom connects fixed stopper 6, inserted sheet 5 and support 7 in order, and the terminal surface vertical direction is equipped with spacing groove 61 before the stopper 6, the terminal surface vertical direction is equipped with dodges groove 51 before the inserted sheet 5, the terminal surface vertical direction is equipped with mounting groove 71 before the support 7. For ease of installation, preferably, the support 7 comprises a base 2 and a support plate 1, the base 2 being mounted on the support plate 1, the support plate 1 being used for mounting and fixing the device on a press-fit machine table. The limiting groove 61, the avoiding groove 51 and the mounting groove 71 are all of U-shaped groove structures, the bottoms of the U-shaped grooves are of semicircular structures, circle center lines corresponding to the bottoms of the limiting groove 61, the avoiding groove 51 and the mounting groove 71 are collinear, and the upper ends and the lower ends of the limiting groove 61, the avoiding groove 51 and the mounting groove 71 respectively penetrate through corresponding entities and then are communicated. Specifically, the width of the limiting groove 61 corresponds to the diameter of the outer ring of the plunger spring 3, the width of the avoiding groove 51 corresponds to the diameter of the inner ring of the plunger spring 3, and the space size of the mounting groove 71 is larger than that of the spring lower seat disk. This structure makes the insert 5 form a semi-annular supporting structure corresponding to the plunger spring 3 at the avoiding groove 51 to limit the axial position of the plunger spring 3 in the process of assembling and press-fitting the electric control unit pump.
The operation process of the utility model is that the installation process of the spring lower seat disk 8 is as follows: the electric control monoblock pump with the plunger spring 3 is placed at the semi-annular supporting structure of the inserting sheet 5, the pressing head of the pressing machine presses the pump body 4, the plunger spring 3 is compressed, the tail of the plunger 9 extends into the mounting groove 71 of the support 7 from the avoiding groove 51, and the spring lower seat disk 8 is mounted at the tail of the plunger 9. When the spring lower seat disk 8 and the plunger spring 3 need to be disassembled, the electric control unit pump is installed, the inserting sheet 5 is positioned between the spring lower seat disk 8 and the plunger spring 3, the pressing head of the pressing machine presses the pump body 4, the tail of the plunger 9 extends into the mounting groove 71 of the support 7 from the avoiding groove 51, the spring lower seat disk 8 at the tail of the plunger 9 is disassembled firstly, and then the plunger spring 3 is disassembled.
In the present utility model, as shown in fig. 4 and 5, the insertion piece 5 has a flare structure 511 as an opening of the avoiding groove 51. The inserting piece 5 is conveniently inserted between the spring lower seat disk 8 and the plunger spring 3, the installation of the electric control unit pump provided with the spring lower seat disk 8 is improved, and the dismounting speed of the spring lower seat disk 8 is improved.
In the utility model, the triangular inserting parts 52 are arranged at the two ends of the opening of the avoiding groove 51 in a forward extending manner, the thickness of the triangular inserting parts 52 gradually decreases from the bottom (the connecting part with the inserting part) to the tip (the top angle far away from the inserting part), specifically, the bottom surface of the triangular inserting parts 52 is an inclined surface, a slope angle structure is formed with the bottom surface of the inserting part 5, the slope angle is preferably 18 degrees, and the top surface of the triangular inserting parts 52 is flush with the top surface of the inserting part 5. The structure enables the inserting piece 5 to be smoothly fixed between the plunger spring 3 and the spring lower seat disk 8, and reduces damage to contact surfaces of the plunger spring 3 and the spring lower seat disk 8.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The utility model provides an automatically controlled monoblock pump plunger spring pressure equipment isolated plant which characterized in that: including from top to bottom connect fixed stopper (6), inserted sheet (5) and support (7) in order, stopper (6) are equipped with opening spacing groove (61) forward, inserted sheet (5) are equipped with opening and dodge groove (51) forward, support (7) are equipped with opening mounting groove (71) forward, spacing groove (61), dodge groove (51) and mounting groove (71) all vertical setting, be linked together and all be U type groove structure, wherein spacing groove (61) width and plunger spring outer lane diameter size correspond, dodge groove (51) width and plunger spring inner lane diameter size correspond, mounting groove (71) space size is greater than spring lower seat dish.
2. The special device for press fitting of the plunger spring of the electric control unit pump according to claim 1, wherein the special device comprises the following components: the opening of the avoidance groove (51) is of a horn mouth structure (511).
3. The special device for press fitting of plunger springs of electric control unit pumps according to claim 2, wherein the special device comprises: the two ends of the opening of the avoidance groove (51) are provided with triangular inserting parts (52) extending forwards, and the thickness of the triangular inserting parts (52) is gradually reduced from the bottom to the tip.
4. The special device for pressing the plunger spring of the electric control unit pump according to claim 3, wherein the special device comprises the following components: the bottom surface of the triangular inserting part (52) is an inclined surface, and the top surface of the triangular inserting part is flush with the top surface of the inserting piece (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323092385.2U CN221270271U (en) | 2023-11-16 | 2023-11-16 | Special device for press fitting of plunger spring of electric control unit pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323092385.2U CN221270271U (en) | 2023-11-16 | 2023-11-16 | Special device for press fitting of plunger spring of electric control unit pump |
Publications (1)
Publication Number | Publication Date |
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CN221270271U true CN221270271U (en) | 2024-07-05 |
Family
ID=91704756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202323092385.2U Active CN221270271U (en) | 2023-11-16 | 2023-11-16 | Special device for press fitting of plunger spring of electric control unit pump |
Country Status (1)
Country | Link |
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CN (1) | CN221270271U (en) |
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2023
- 2023-11-16 CN CN202323092385.2U patent/CN221270271U/en active Active
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