Device convenient for assembling recovery valve plate of electric control shock absorber
By combining positioning pins, guide sleeves, and positioning plates, the assembly problem of valve plates in electronically controlled vibration dampers was solved, enabling rapid and precise valve plate assembly and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520932114.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-05-13
AI Technical Summary
In the manufacturing process of electronically controlled vibration dampers, the assembly of valve plates is difficult, especially the alignment of the center hole of the limiter and valve plate with the directional rib on the valve stem, which leads to low assembly efficiency and low accuracy.
The valve plate is assembled quickly and accurately by adopting a combination structure of positioning pin, guide sleeve and positioning plate, using magnet to fix the valve stem, and guide rib to guide the valve plate to be accurately aligned. Combined with the design of positioning shaft and guide cone, the valve plate can be assembled quickly and accurately.
This improved valve plate assembly efficiency, ensured assembly accuracy, reduced product scrap, and lowered production costs.
Smart Images

Figure CN223854738U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric control shock absorber for vehicle, especially to a device for facilitating assembly of electric control shock absorber recovery valve piece. BACKGROUND
[0002] In the manufacture of electric control shock absorber, the valve piece of the recovery valve needs to be assembled manually, and the limiter and the No. 1-6 valve piece are sequentially threaded on the valve rod. During assembly, it is necessary to pay attention to the fact that the two rectangular directional holes symmetrically arranged in the center hole of the limiter and the No. 1-6 valve piece need to correspond to the directional ribs symmetrically arranged on the lower sides of the middle and lower parts of the valve rod body, so as to be assembled in place. The rectangular directional hole and the directional rib are in clearance fit, and the inner diameter of the valve piece center hole and the outer diameter of the valve rod are also in small clearance fit. It is difficult to quickly assemble in place during assembly, and manual assembly is slow due to the large number of valve pieces. SUMMARY
[0003] In view of the above problems, the utility model provides a device for facilitating assembly of electric control shock absorber recovery valve piece.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for facilitating assembly of electric control shock absorber recovery valve piece, including positioning pin, guide sleeve and locating plate, the locating plate is equipped with magnet, the magnet magnetically attracts and fixes the valve rod, the top of the valve rod is equipped with insertion slot, the valve rod is circumferentially sleeved with guide sleeve, the top of the guide sleeve is equipped with through hole, the outer side of the lower end of the guide sleeve is equipped with at least one guide rib, the positioning pin includes guide cone and positioning shaft, the positioning shaft extends into the insertion slot through the through hole.
[0005] Preferably, the guide cone is a circular truncated cone, the diameter of the bottom of the guide cone is greater than the diameter of the positioning shaft, and the length of the positioning shaft is not more than the sum of the depth of the through hole and the depth of the insertion slot.
[0006] Preferably, the diameter of the through hole is equal to the outer diameter of the positioning shaft, the diameter of the bottom of the guide cone is equal to the outer diameter of the top of the guide sleeve, the diameter between the opposite guide ribs is equal to the outer diameter of the top of the valve rod, the top of the guide rib is provided with a slope, and the inclination angle of the slope is equal to the inclination angle of the guide cone.
[0007] Preferably, the circumferential side wall of the valve rod is provided with at least one directional rib, the number of the guide ribs is equal to the number of the directional ribs, the bottom of the guide rib is in contact with the top of the directional rib, the vertical height from the bottom of the guide rib to the bottom of the through hole is equal to the vertical height from the top of the directional rib to the top of the valve rod, and the length and width of the guide rib are slightly greater than the length and width of the directional rib.
[0008] Preferably, the top surface of the locating plate is provided with a groove, the magnet is placed in the groove, the groove and the magnet are in clearance fit, and the diameter of the magnet is greater than or equal to the diameter of the bottom of the valve rod.
[0009] Preferably, the guide sleeve is matched with a directional hole gap, the directional hole is composed of one big circle and at least one small rectangle, and the directional hole is respectively arranged in the position limiter and the valve piece group center.
[0010] Preferably, the valve piece group comprises a first valve piece, a second valve piece, a third valve piece, a fourth valve piece, a fifth valve piece and a sixth valve piece, and the first valve piece, the second valve piece, the third valve piece, the fourth valve piece, the fifth valve piece and the sixth valve piece each have at least one.
[0011] Compared with the prior art, the beneficial effects of the utility model are that: the guide rib of the guide sleeve can quickly and accurately assemble the valve piece group and the position limiter on the valve rod, improve the production efficiency, guarantee the assembly accuracy, guarantee the product quality, reduce the product scrap, save the cost; the positioning plate solves the problem that the left hand needs to hold the valve rod and the right hand needs to hold the valve piece for assembly in the assembly link, and the efficiency is low. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the side sectional view of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model after assembling the valve piece.
[0013] Figure 2 It is the structure schematic view of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model without assembling the valve piece.
[0014] Figure 3 It is the structure schematic view of the valve rod of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model.
[0015] Figure 4 It is the structure schematic view of the positioning pin of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model.
[0016] Figure 5 It is the structure schematic view of the guide sleeve of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model.
[0017] Figure 6 It is the side sectional view of the positioning plate of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model.
[0018] Figure 7 It is the side view of the valve piece group and the position limiter of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model.
[0019] Figure 8 It is the top view of the valve piece group and the position limiter of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model.
[0020] Figure 9 It is the side sectional view of the positioning plate and the valve rod of the device for conveniently assembling the electric control shock absorber recovery valve piece of the utility model after assembling.
[0021] Figure 10 The structure schematic diagram of the device for conveniently assembling the electric control shock absorber recovery valve piece after the assembly of the positioning pin and the guide sleeve of the device is shown.
[0022] BRIEF DESCRIPTION OF DRAWINGS: 1. Valve piece group, 11. First valve piece, 12. Second valve piece, 13. Third valve piece, 14. Fourth valve piece, 15. Fifth valve piece, 16. Sixth valve piece, 2. Limiting device, 3. Valve rod, 31. Directional rib, 32. Insertion groove, 4. Directional hole, 5. Positioning pin, 51. Guide cone, 52. Positioning shaft, 6. Guide sleeve, 61. Through hole, 62. Guide rib, 63. Slope, 7. Positioning plate, 71. Groove, 72. Magnet. DETAILED DESCRIPTION
[0023] In order to further understand the purpose, structure, characteristics and functions of the utility model, the following detailed description is made in conjunction with the embodiments.
[0024] Please refer to Figure 1 and Figure 2 , the device for conveniently assembling the electric control shock absorber recovery valve piece of an embodiment of the utility model, including positioning pin 5, guide sleeve 6 and positioning plate 7, the positioning plate 7 is equipped with magnet 72, the magnet 72 is magnetically attracted to fix valve rod 3, the top of the valve rod 3 is equipped with insertion groove 32, the valve rod 3 is circumferentially equipped with guide sleeve 6, the top of the guide sleeve 6 is equipped with through hole 61, the outer side of the lower end of the guide sleeve 6 is equipped with at least one guide rib 62, the positioning pin 5 includes guide cone 51 and positioning shaft 52, the positioning shaft 52 passes through through hole 61 and extends into insertion groove 32.
[0025] When the valve piece passes, the directional hole 4 of the valve piece is accurately sleeved on the directional rib corresponding to the valve rod 3 through the guidance of the guide rib 62, the production efficiency is improved, and the assembly accuracy is guaranteed; the positioning plate 7 solves the problem that the left hand needs to hold the valve rod 3 all the time and the right hand needs to hold the valve piece separately during the assembly link, and the efficiency is low; the positioning shaft 52 is put into the insertion groove 32 on the upper end of the valve rod 3, so that the guide sleeve 6 is not deflected, and the sleeving of the piece is facilitated.
[0026] In an embodiment, as shown in Figure 2 and Figure 4 , the guide cone 51 is a circular truncated cone type, so that the valve piece can smoothly pass through the positioning pin 5 to the guide sleeve 6, the diameter of the bottom of the guide cone 51 is greater than the diameter of the positioning shaft 52, the length of the positioning shaft 52 does not exceed the sum of the depth of the through hole 61 and the depth of the insertion groove 32, so that the connection between the positioning pin 5, the guide sleeve 6 and the valve rod 3 is stable.
[0027] In an embodiment, as shown in Figure 5 and Figure 10As shown, the hole diameter of the through hole 61 is equal to the outer diameter of the positioning shaft 52, the bottom diameter of the guide cone 51 is equal to the outer diameter of the top of the guide sleeve 6, the diameter between the opposite guide ribs 62 is equal to the outer diameter of the top of the valve stem 3, and the top of the guide rib 62 is provided with a slope 63, the angle of which is equal to the angle of the guide cone 51, to ensure that the valve disc can smoothly pass into the valve stem.
[0028] In an embodiment, as shown in Figure 2 and Figure 3 The valve stem 3 is provided with at least one directional rib 31, the number of guide ribs 62 is equal to the number of directional ribs 31, the bottom of the guide rib 62 is in contact with the top of the directional rib 31, the vertical height from the bottom of the guide rib 62 to the bottom of the through hole 61 is equal to the vertical height from the top of the directional rib 31 to the top of the valve stem 3, and the length and width of the guide rib 62 are slightly larger than those of the directional rib 31. The guide rib 62 solves the problem of quick directional correspondence of the valve disc and the valve stem 3.
[0029] In an embodiment, as shown in Figure 6 and Figure 9 The top surface of the positioning plate 7 is provided with a recess 71, the recess 71 is placed inside a magnet 72, the recess 71 and the magnet 72 are gap matched, and the diameter of the magnet 72 is greater than or equal to the diameter of the bottom of the valve stem 3. The magnet 72 ensures that the valve stem can be vertically erected stably during assembly.
[0030] In an embodiment, as shown in Figure 1 and Figure 8 The guide sleeve 6 and the directional hole 4 are gap matched, the directional hole 4 is composed of a large circle and at least one small rectangle, and the directional hole 4 is respectively arranged at the center of the stopper 2 and the valve disc group 1.
[0031] In an embodiment, as shown in Figure 7 and Figure 8 The valve disc group 1 includes a first valve disc 11, a second valve disc 12, a third valve disc 13, a fourth valve disc 14, a fifth valve disc 15, and a sixth valve disc 16, and each of the first valve disc 11, the second valve disc 12, the third valve disc 13, the fourth valve disc 14, the fifth valve disc 15, and the sixth valve disc 16 has at least one.
[0032] Usage: combined with Figures 1-10As shown, the lower end of the valve stem 3 is placed on the magnet 72 of the positioning plate 7, the magnet 72 is used to keep the valve stem 3 stable, then the positioning pin 5 is assembled with the guide sleeve 6, and the guide sleeve 6 is sleeved on the valve stem 3, the guide ribs 62 of the guide sleeve 6 are aligned with the orientation ribs 31 on the valve stem 3, under the action of the magnetic force of the magnet 72, the positioning pin 5 and the guide sleeve 6 are attracted and fixed in the circumferential direction after being sleeved on the valve stem 3, the orientation hole 4 is smoothly passed through the tapered positioning pin 5 during assembly of the limiter 2 and the valve piece group 1, the orientation hole 4 of the valve piece is guided by the guide ribs 62 on the guide sleeve 6 and can be pushed to the assembly position at one time, the positioning pin 5 and the guide sleeve 6 are removed after the limiter and the valve piece group are assembled in sequence, and the assembly is completed.
[0033] The utility model has been described by the above related embodiments, however, the above embodiments are only examples for implementing the utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the utility model. On the contrary, changes and decorations made without departing from the spirit and scope of the utility model belong to the patent protection scope of the utility model.
Claims
1. A device for facilitating the assembly of a restoring valve plate of an electronically controlled vibration damper, characterized in that: The positioning pin (5), the guide sleeve (6) and the positioning plate (7) are included, the positioning plate (7) is provided with a magnet (72), the magnet (72) is magnetically attracted to fix the valve stem (3), the top of the valve stem (3) is provided with an insertion slot (32), the valve stem (3) is circumferentially sleeved with the guide sleeve (6), the top of the guide sleeve (6) is provided with a through hole (61), the outer side of the lower end of the guide sleeve (6) is provided with at least one guide rib (62), the positioning pin (5) includes a guide cone (51) and a positioning shaft (52), the positioning shaft (52) extends into the insertion slot (32) through the through hole (61).
2. The device for facilitating assembly of an electrically controlled shock absorber rebound valve disk of claim 1, wherein: The guide cone (51) is a circular truncated cone, the diameter of the bottom of the guide cone (51) is greater than the diameter of the positioning shaft (52), and the length of the positioning shaft (52) is not more than the sum of the depth of the through hole (61) and the depth of the insertion slot (32).
3. The device for facilitating assembly of an electrically controlled shock absorber rebound valve disk of claim 1, wherein: The diameter of the through hole (61) is equal to the outer diameter of the positioning shaft (52), the diameter of the bottom of the guide cone (51) is equal to the outer diameter of the top of the guide sleeve (6), the diameter between the guide ribs (62) is equal to the outer diameter of the top of the valve stem (3), the top of the guide rib (62) is provided with an inclined slope (63), and the inclination angle of the inclined slope (63) is equal to the inclination angle of the guide cone (51).
4. The device for facilitating assembly of an electrically controlled shock absorber rebound valve disk of claim 1, wherein: The circumferential side wall of the valve stem (3) is provided with at least one directional rib (31), the number of the guide ribs (62) is equal to the number of the directional ribs (31), the bottom of the guide rib (62) is in contact with the top of the directional rib (31), the vertical height from the bottom of the guide rib (62) to the bottom of the through hole (61) is equal to the vertical height from the top of the directional rib (31) to the top of the valve stem (3), and the length and width of the guide rib (62) are slightly greater than the length and width of the directional rib (31).
5. The device for facilitating assembly of an electrically controlled shock absorber rebound valve disk of claim 1, wherein: The top surface of the positioning plate (7) is provided with a recess (71), the magnet (72) is placed in the recess (71), the recess (71) and the magnet (72) are gap matched, and the diameter of the magnet (72) is greater than or equal to the diameter of the bottom of the valve stem (3).
6. The device for facilitating assembly of an electrically controlled shock absorber rebound valve disk of claim 1, wherein: The guide sleeve (6) is gap matched with the directional hole (4), the directional hole (4) is composed of one large circle and at least one small rectangle, and the directional hole (4) is respectively arranged in the center of the limiter (2) and the valve plate group (1).
7. The apparatus for facilitating assembly of an electrically controlled shock absorber rebound valve disk of claim 6, wherein: The valve plate group (1) includes a first valve plate (11), a second valve plate (12), a third valve plate (13), a fourth valve plate (14), a fifth valve plate (15) and a sixth valve plate (16), and the first valve plate (11), the second valve plate (12), the third valve plate (13), the fourth valve plate (14), the fifth valve plate (15) and the sixth valve plate (16) are at least one.